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CN-121632744-B - Fire hose wear resistance detection equipment and detection method

CN121632744BCN 121632744 BCN121632744 BCN 121632744BCN-121632744-B

Abstract

The invention relates to fire-fighting equipment detection technical field, in particular to fire-fighting water belt wear-resisting performance detection equipment and a detection method, comprising a case, wherein a center frame is fixedly arranged in the middle of the inner wall of the case; the fire hose comprises a central frame, a polishing mechanism, a first cover cap and a second cover cap, wherein the polishing mechanism is rotatably arranged on the inner wall of the central frame, a rotating mechanism for driving the polishing mechanism to rotate is arranged on the central frame, a fire hose body penetrating through the polishing mechanism is arranged between the first cover cap and the second cover cap, and a fixing piece for enabling the fire hose body to be airtight is arranged at one end of the first cover cap and one end of the second cover cap. The invention effectively eliminates the gap between the water band and the friction part which is easy to generate in the negative pressure adsorption mode in the prior art, ensures that the abrasion simulation is highly consistent with the dragging abrasion state of the water band in the actual fire scene, greatly improves the accuracy and reliability of the detection result, and meets the accurate requirement of fire hose quality detection.

Inventors

  • XIAO CHENGFENG
  • XIAO JIANGUO

Assignees

  • 四川峰邦消防科技有限公司

Dates

Publication Date
20260508
Application Date
20260204

Claims (9)

  1. 1. Fire hose wear resistance detection equipment, characterized by, include: the device comprises a case (1), wherein a center frame (2) is fixedly arranged in the middle of the inner wall of the case (1); the polishing mechanism (8) is rotatably arranged on the inner wall of the center frame (2), and a rotating mechanism (19) for driving the polishing mechanism (8) to rotate is arranged on the center frame (2); The fire hose comprises a first cover cap (4) and a second cover cap (9), wherein a fire hose body (7) penetrating through a polishing mechanism (8) is arranged between the first cover cap (4) and the second cover cap (9), and a fixing piece (6) for sealing the fire hose body (7) is arranged at one end of the first cover cap (4) and one end of the second cover cap (9); the first electric push rod (5) is fixedly arranged on the inner wall of one end of the case (1) and is used for pulling the first cap (4) to move and driving the fire hose body (7) to be tensioned; A water inlet pipe (14) is fixed at one end of the second cover cap (9), a water pressure sensor (13) is fixedly arranged at the bottom of the water inlet pipe (14), and a water injection assembly (11) is arranged at one end of the water inlet pipe (14); A fixed pipe (18) is fixed in the middle of the inner wall of the second cap (9), a connecting tube (17) is fixed at one end of the fixed pipe (18), a connecting tube (20) is fixed at one end of the connecting tube (17), the inner diameter of the connecting tube (17) is larger than the inner diameters of the fixed pipe (18) and the connecting tube (20), a center support piece (15) is arranged at one end of the connecting tube (20), and the center support piece (15) is arranged at the center of the polishing mechanism (8); the two ends of the center support piece (15) are provided with air bag support pieces (16), the center support piece (15) comprises a center cylinder (151) fixed at one end of a connecting pipe (20), movable frames (154) distributed at equal intervals are slidably arranged on the inner wall of the center cylinder (151), the air bag support pieces (16) comprise air bag rings (161) fixedly arranged on the outer walls of the two ends of the center cylinder (151), a plurality of air guide pipes (163) penetrating through the center cylinder (151) are fixed between the two air bag rings (161), the positions of the air guide pipes (163) are staggered with the positions of the movable frames (154), a plurality of air inlet pipes (162) are fixed between one end of the connecting cylinder (17) and one air bag ring (161), a piston disc (165) is movably attached to the inner wall of the connecting cylinder (17), and a sealing sleeve (164) is fixedly arranged at one end of the inner wall of the connecting pipe (20). The first cap (4) is provided with an extrusion assembly (10) for driving the center support (15) and the air bag support (16) to be unfolded.
  2. 2. The fire hose wear resistance detection device according to claim 1, wherein the polishing mechanism (8) comprises a rotary drum (81) which is rotatably arranged on the inner wall of the center frame (2) through a bearing, two second electric push rods (83) are fixedly arranged at two ends of the outer wall of the rotary drum (81), two polishing hoops (82) are fixedly arranged at the piston ends of the second electric push rods (83), the two polishing hoops (82) are integrally closed through adjustment of the second electric push rods (83), the middle area of the fire hose body (7) is compressed, water leakage grooves (84) which are equidistantly distributed are formed in the inner wall of the polishing hoops (82), and round corners are formed at the inner wall of the water leakage grooves (84) and the two ends of the inner wall of the polishing hoops (82).
  3. 3. The fire hose wear resistance detection device according to claim 2, wherein the rotation mechanism (19) comprises tooth grooves (193) equidistantly formed in the middle of the outer wall of the rotary drum (81), a driving gear (192) meshed with the tooth grooves (193) is rotatably arranged on the inner wall of the center frame (2), a rotating motor (191) for driving the driving gear (192) to rotate is fixedly arranged on the outer wall of the center frame (2), and the rotating motor (191) is staggered with the second electric push rod (83).
  4. 4. The fire hose wear resistance detection device according to claim 3, wherein the inner walls of the movable frame (154) are respectively inserted with a supporting plate (152), the bottom of the supporting plate (152) and the inner wall of the movable frame (154) are fixedly provided with first springs (153) distributed at equal intervals, the outer wall of the central cylinder (151) is provided with a movable opening (1511) which is provided with the supporting plate (152) at equal intervals and passes through, the outer wall of the periphery of the supporting plate (152) is provided with a sealing groove (1515), the inner wall of the sealing groove (1515) is fixedly provided with a sealing ring (1512) which is in sealing fit with the inner wall of the movable opening (1511), one end of the central cylinder (151) and one end of the connecting pipe (20) are respectively provided with a second through hole (159), the inner wall of the second through hole (159) is inserted with a movable rod (158), one end of the movable rod (158) is provided with a jack (157), one end of the fixed rod (155) is fixedly provided with a second spring (156) with one end of the jack (157), one end of the fixed rod (155) is fixedly provided with one end of the jack (157), the other end of the central cylinder (151) is fixedly provided with a fixed rod (157), one end (158) is fixedly provided with a fixed rod (157), one end (155) and the other end (157) is fixedly provided with a fixed rod (155), and the other end (155) is fixedly provided with a fixed rod (155). The bottom of the lifting seat (1514) and the top of the extrusion seat (1513) are designed into an attached inclined plane shape.
  5. 5. The fire hose wear resistance detection device according to claim 4, wherein traction grooves (1516) are formed in inclined surfaces of the lifting seat (1514), traction blocks which are slidably arranged in the traction grooves (1516) are fixed at inclined surfaces of the extrusion seat (1513), the cross sections of the traction blocks and the traction grooves (1516) are designed into T shapes, guide grooves (1510) which are distributed in an annular mode at equal distances are formed in inner walls of two ends of the central cylinder (151), and guide blocks which are slidably arranged in the guide grooves (1510) are fixed at two ends of the movable frame (154).
  6. 6. The fire hose wear resistance detection device according to claim 5, wherein the extrusion assembly (10) comprises a U-shaped connecting rod (101) fixedly installed at the top of the first cap (4), a first through hole (103) is formed in the middle of the other end of the fixed pipe (18) and the second cap (9), one end of the U-shaped connecting rod (101) is fixedly provided with an extrusion rod (102) penetrating through the first through hole (103), the fixed pipe (18) and the connecting cylinder (17), one end of the extrusion rod (102) is in contact with the other end of the movable rod (158), the outer wall of the extrusion rod (102) is fully attached to the inner wall of the sealing sleeve (164), and the piston disc (165) is fixedly installed on the outer wall of the extrusion rod (102).
  7. 7. The fire hose wear resistance detection device according to claim 6, wherein the water injection assembly (11) comprises a water tank (111) fixedly installed in the case (1), a water pump (114) is fixedly installed on the inner wall of the case (1), a water suction pipe inserted into the water tank (111) is fixedly installed at the water inlet end of the water pump (114), a water guide pipe (113) is fixedly installed at the water outlet end of the water pump (114), and a valve (112) is fixedly installed at one end of the water guide pipe (113) and one end of the water inlet pipe (14).
  8. 8. The fire hose wear resistance detection device according to claim 7, wherein the controller (3) is fixedly installed on the inner wall of the case (1), a timer is arranged on the controller (3), and the controller (3) is electrically connected with the timer, the first electric push rod (5), the second electric push rod (83), the valve (112), the water pump (114), the water pressure sensor (13) and the rotating motor (191).
  9. 9. A fire hose wear resistance detection method applied to a fire hose wear resistance detection device as claimed in any one of claims 1 to 8, comprising the steps of: the method comprises the steps that firstly, two ends of a fire hose body (7) are fixedly sealed with a first cover cap (4) and a second cover cap (9) through fixing pieces (6) respectively, so that the fire hose body (7) passes through a polishing mechanism (8) on the inner wall of a center frame (2); Starting a first electric push rod (5) through a controller (3), wherein the first electric push rod (5) pulls a first cap (4) to move so as to drive a fire hose body (7) to be tensioned, meanwhile, the first cap (4) drives a squeeze rod (102) to move along a first through hole (103) and a fixed pipe (18) into a connecting cylinder (17) through a U-shaped connecting rod (101), one end of the squeeze rod (102) squeezes a movable rod (158) to move along a second through hole (159), a squeeze seat (1513) on the movable rod (158) pushes a lifting seat (1514) at the bottom of a movable frame (154) to rise through inclined plane matching, the movable frame (154) slides along a guide groove (1510) at the inner wall of a central cylinder (151) so as to drive a supporting plate (152) to stretch out along a movable opening (1511), sealing support is realized through matching with a sealing ring (1512), meanwhile, a piston disc (165) on the squeeze rod (102) moves in the connecting cylinder (17), gas in the connecting cylinder (17) is pressed into an air bag ring (161) through a gas inlet pipe (162), and the gas is synchronously expanded by the air bag ring (161); Starting a water pump (114) through a controller (3), pumping water from a water tank (111) by the water pump (114) through a water pumping pipe, injecting water into a fire hose body (7) through a water guiding pipe (113), a valve (112) and a water inlet pipe (14), monitoring water pressure data in real time by a water pressure sensor (13) and feeding the water pressure data back to the controller (3), and controlling the valve (112) and the water pump (114) to be closed by the controller (3) when the water pressure reaches a set threshold value; The controller (3) controls the second electric push rod (83) to act, and adjusts the two polishing hoops (82) to be closed, so that the middle area of the fire hose body (7) is compressed, and the polishing hoops (82) are fully attached to the fire hose body (7); the controller (3) starts a rotating motor (191), the rotating motor (191) drives a driving gear (192) to rotate, the driving gear (192) drives the rotating drum (81) to rotate through meshing with a tooth socket (193) on the outer wall of the rotating drum (81), the rotating drum (81) drives a polishing hoop (82) to rub and simulate abrasion with the fire hose body (7), a timer starts timing at the same time, and water stains generated in the friction process are discharged through a water leakage groove (84); step six, when water leakage occurs in the fire hose body (7), the water pressure sensor (13) detects water pressure mutation and feeds the water pressure mutation back to the controller (3), the controller (3) records time data of a timer at the moment, and simultaneously controls the rotating motor (191), the first electric push rod (5) and the second electric push rod (83) to stop working, so that detection is completed; And seventhly, after detection is finished, opening a valve (112) to discharge water in the fire hose body (7), controlling the first electric push rod (5) to reset, loosening the fixing piece (6), taking out the fire hose body (7), and guiding out detection data through the controller (3).

Description

Fire hose wear resistance detection equipment and detection method Technical Field The invention relates to the technical field of fire-fighting equipment detection, in particular to fire-fighting water belt wear-resisting property detection equipment and a fire-fighting water belt wear-resisting property detection method. Background The fire hose is a core device for conveying fire extinguishing agents such as fire water, foam and the like in fire-fighting operation, and the wear resistance of the fire hose is directly related to the reliability and safety in the use process. In a fire scene, the fire hose needs to be dragged on rough ground (such as cement land, broken stone land, asphalt road and the like), if the wear resistance is insufficient, skin damage, fiber exposure and even burst easily occur, so that the fire extinguishing agent is conveyed to be interrupted, the fire extinguishing time is delayed, and the safety accident is caused. Therefore, the accurate and comprehensive wear-resisting performance detection of the fire-fighting water belt is a key link for guaranteeing the quality of fire-fighting equipment. Through the search, the fire hose wear-resisting test device with the authorized bulletin number of CN117030522B and the test method thereof comprise a straight rod, radially telescopic supporting bodies, a sector plate, a driving motor and a vacuum pump, wherein at least two supporting bodies are axially arranged on the straight rod, the sector plate is annularly arranged outside the straight rod and axially fixed on the supporting bodies, the fire hose to be tested is sleeved outside the sector plate, a friction bobbin for testing is sleeved outside the fire hose, the driving motor for driving the straight rod to rotate is arranged at two ends of the straight rod, and the vacuum pump is arranged on one side of the straight rod and is connected with the fire hose in an airtight manner. Through set up a straight-bar in the fire hose inside, be provided with a plurality of supporter on the straight-bar, the telescopic link of supporter rises and drives the sector plate and prop up to firmly prop up the fire hose. The vacuum pump is sleeved at the port of the fire hose, so that a closed space is formed inside the fire hose, and then the internal air is vacuumized and simultaneously the pumped air is led into the support body to be supported. The defect that the attaching reliability is poor, the water band is attached to the sector plate in a negative pressure adsorption mode in the prior art is found, gaps are easily generated between the fire hose and an external friction bobbin in the operation, the close attachment of the fire hose and the external friction bobbin cannot be realized, the abrasion simulation is directly unreal, the accuracy and the reliability of a detection result are insufficient, and the accurate requirement of the quality detection of the fire hose cannot be met is overcome, so that the equipment and the method for detecting the abrasion resistance of the fire hose are provided to improve the problems. Disclosure of Invention Aiming at the prior art, the invention aims to solve the technical problems that the tight fitting of the fire hose and the external friction bobbin cannot be realized, and the inaccurate detection result is easy to cause. In order to solve the problems, the invention provides a fire hose wear resistance detection device and a fire hose wear resistance detection method, wherein the fire hose wear resistance detection device comprises the following components: the central frame is fixedly arranged in the middle of the inner wall of the case; The polishing mechanism is rotatably arranged on the inner wall of the center frame, and a rotating mechanism for driving the polishing mechanism to rotate is arranged on the center frame; The fire hose comprises a first cover cap and a second cover cap, wherein a fire hose body penetrating through a polishing mechanism is arranged between the first cover cap and the second cover cap, a fixing piece for sealing the fire hose body is arranged at one end of the first cover cap and one end of the second cover cap, and a mounting plate is fixedly arranged at the bottom of the second cover cap and the inner wall of a chassis; the first electric push rod is fixedly arranged on the inner wall of one end of the case and used for pulling the first cap to move and driving the fire hose body to be tensioned; a water inlet pipe is fixed at one end of the second cover cap, a water pressure sensor is fixedly arranged at the bottom of the water inlet pipe, and a water injection assembly is arranged at one end of the water inlet pipe; A fixed pipe is fixed in the middle of the inner wall of the second cap, a connecting tube is fixed at one end of the fixed pipe, a connecting tube is fixed at one end of the connecting tube, the inner diameter of the connecting tube is larger than that of the fixed pipe and that of the connec