CN-119290596-B - Prestress detection device for steel structure machining and detection method thereof

Abstract

The invention relates to the technical field of prestress detection, and discloses a prestress detection device and a detection method thereof for steel structure processing, wherein the prestress detection device comprises a main body and two inlet plates, the two inlet plates are fixedly connected with one end of the top of the main body, which is far away from each other, two sliding strips are fixedly connected between the two inlet plates, and the device further comprises a tensioning mechanism, wherein the tensioning mechanism is arranged at the top of the main body and comprises two tensioning box bodies, and the two tensioning box bodies are both in sliding connection with the top of the main body. The invention applies the pushing force of sliding in the clamping holes to the large cladding clamping frame and the small cladding clamping frame, so that the large cladding clamping frame and the small cladding clamping frame can clamp the steel rod penetrating through the insertion cylinder in a cladding manner, the clamping point of the steel rod is increased, the phenomenon that the steel rod and the clamping device are moved in the tensioning process due to the fact that the clamping device is not tight for clamping the steel rod is further reduced, and the accuracy of prestress detection is improved.

Inventors

• SUN JINLIANG
• ZHANG YU
• Ji Zhaodong
• ZHOU DAQI

Assignees

• 江苏迅兴重工设备有限公司

Dates

Publication Date

20260508

Application Date

20241016

Claims (5)

1. 1. The utility model provides a prestressing force detection device for steel construction processing, includes main part (1) and two entry board (101), two equal fixed connection of entry board (101) is at the one end that main part (1) top kept away from each other, two fixedly connected with two draw runner (104) between entry board (101), its characterized in that still includes: The tensioning mechanism (2) is arranged at the top of the main body (1), the tensioning mechanism (2) comprises two tensioning box bodies (201), the two tensioning box bodies (201) are all connected to the top of the main body (1) in a sliding mode, clamping devices (204) are fixedly connected to the inner walls of one sides, close to the inlet plate (101), of the two tensioning box bodies (201), inserting cylinders (205) are fixedly connected to the outer walls of one sides, close to the inlet plate (101), of the two tensioning box bodies (201), and a plurality of clamping holes (206) are formed in the outer walls of the inserting cylinders (205); Cladding clamping mechanism (3), cladding clamping mechanism (3) set up inside clamping hole (206), cladding clamping mechanism (3) are including a plurality of little cladding clamping frame (307), and a plurality of little cladding clamping frame (307) sliding connection is inside a plurality of clamping holes (206) respectively, and a plurality of clamping hole (206) inside all sliding connection has big cladding clamping frame (305), little cladding clamping frame (307) length is greater than big cladding clamping frame (305), little cladding clamping frame (307) are kept away from one side rotation of inserting section of thick bamboo (205) and are connected with long distance link (306), big cladding clamping frame (305) are kept away from one side rotation of inserting section of thick bamboo (205) and are connected with rotating link (304); The positioning mechanism (4), positioning mechanism (4) sets up on entry board (101), positioning mechanism (4) are including a plurality of slide bar (401), and a plurality of slide bar (401) all sliding connection is close to one side of stretch-draw box (201) at entry board (101), a plurality of slide bar (401) keep away from one side fixedly connected with that slide bar (401) step up ring board (402), step up ring board (402) outer wall and offered a plurality of long distance change groove (405), step up ring board (402) outer wall and offered a plurality of short distance change groove (406); The coating clamping mechanism (3) further comprises a plurality of second opening and closing frames (303), the second opening and closing frames (303) are respectively and rotatably connected to one ends of the plurality of rotating connecting frames (304) far away from the large coating clamping frames (305), one ends of the second opening and closing frames (303) far away from the rotating connecting frames (304) are rotatably connected with first opening and closing frames (302), one ends of the first opening and closing frames (302) far away from the second opening and closing frames (303) are rotatably connected with short-distance connecting frames (301), the short-distance connecting frames (301) are rotatably connected with the inside of the short-distance rotating groove (406), and one ends of the long-distance connecting frames (306) far away from the small coating clamping frames (307) are rotatably connected with the inside of the long-distance rotating groove (405); Two ends, far away from each other, of the outer wall of the inlet plate (101) are provided with rotating holes (102) in a penetrating manner, one side, corresponding to the insertion barrel (205), of the inlet plate (101) is provided with an inlet in a penetrating manner, the top of the main body (1) is provided with two groups of sliding grooves (103), and the two tensioning boxes (201) are respectively connected with the two groups of sliding grooves (103) in a sliding manner; The two tensioning box bodies (201) are symmetrically distributed by taking the main body (1) as a center, the two tensioning box bodies (201) are both in sliding connection with the outer walls of the two sliding strips (104), the tensioning mechanism (2) further comprises an upper extension connecting frame (202), and the upper extension connecting frame (202) is fixedly connected to the top of the tensioning box bodies (201); The tensioning box body (201) is characterized in that the front surface and the back surface of the tensioning box body (201) are fixedly connected with side extension connecting frames (203), two extension pull rods (207) are fixedly connected to one sides, away from each other, of the tensioning box body (201), two groups of detection hydraulic cylinders (208) are fixedly connected to the top of the main body (1), and thrust is applied to the two groups of extension pull rods (207) through the two groups of detection hydraulic cylinders (208) respectively.
2. 2. The device for detecting prestress of steel structure processing according to claim 1, wherein the two upper extending connecting frames (202) are rotatably connected with detection hydraulic cylinders (208), a limiting protection frame (210) is rotatably connected between the two upper opening and closing movable frames (209), the two side extending connecting frames (203) are rotatably connected with side opening and closing movable frames (211), and one end, far away from the side extending connecting frames (203), of each side opening and closing movable frame (211) is rotatably connected with the limiting protection frame (210).
3. 3. The device for detecting prestress of steel structure processing as claimed in claim 2, wherein the positioning mechanism (4) further comprises an inlet positioning frame (403), the inlet positioning frame (403) is fixedly connected to one side, far away from the clamping ring plate (402), of the plurality of sliding rods (401), two threaded adjusting rods (404) are rotatably connected to the inside of the two rotating holes (102), and the plurality of sliding rods (401) penetrate through the inlet plate (101) in a sliding mode.
4. 4. The device for detecting prestress for steel structure processing, as set forth in claim 3, characterized in that each long-distance rotating groove (405) is distributed between every two short-distance rotating grooves (406), a plurality of limiting frames (407) are fixedly connected to one side, far away from the sliding rod (401), of the tightening ring plate (402), the limiting frames (407) are respectively distributed corresponding to the short-distance rotating grooves (406), and the connection parts of the first opening and closing frames (302) and the second opening and closing frames (303) are distributed inside the limiting frames (407).
5. 5. The prestress detection device for steel structure processing, which is a detection method of the prestress detection device for steel structure processing according to claim 4, is characterized by comprising the following steps: s1, a steel rod passes through an inlet plate (101), an insertion cylinder (205) and two tensioning boxes (201); S2, pushing force is respectively applied to the two groups of extension pull rods (207) through the two groups of detection hydraulic cylinders (208), and the two tensioning box bodies (201) are pulled to slide relatively at the top of the main body (1); S3, clamping the steel rods through two clamping devices (204) in the two tensioning boxes (201), and applying tensioning force to the steel rods passing through the two tensioning boxes (201); And S4, continuously increasing the force output by the detection hydraulic cylinder (208) until the detected steel rod is disconnected, and recording the detection result according to the force output by the detection hydraulic cylinder (208).

Description

Prestress detection device for steel structure machining and detection method thereof Technical Field The invention relates to the technical field of prestress detection, in particular to a prestress detection device and method for steel structure processing. Background The steel structure is a structure formed by steel materials, is one of main building structure types, mainly comprises steel beams, steel columns, steel trusses and other components made of steel sections, steel plates and the like, adopts the rust removal and prevention processes of silanization, pure manganese phosphating, washing drying, galvanization and the like, and is connected with each component or part by adopting welding seams, bolts or rivets. In the prior art, most of the prestressing force detection device is directly used for clamping the steel rod (prestressed reinforcement) passing through the tensioning detection device by the clamping device on the tensioning detection device, but after the clamping device is used for a long time, an anti-slip groove on the clamping device is caused to have a phenomenon of reduced anti-slip effect due to long-term abrasion, and then the phenomenon of movement of the steel rod (prestressed reinforcement) in the tensioning process of clamping can be caused, so that the accuracy of the prestressing force detection is affected, and the practicability is lower. Disclosure of Invention The invention aims to provide a prestress detection device and a prestress detection method for steel structure processing, which are used for solving the problems in the background technology. In order to solve the technical problems, the invention is realized by the following technical scheme: The invention relates to a prestress detection device for steel structure processing and a detection method thereof, wherein the prestress detection device comprises a main body and two inlet plates, the two inlet plates are fixedly connected to one end of the top of the main body, which is far away from each other, two sliding strips are fixedly connected between the two inlet plates, and the prestress detection device further comprises: The tensioning mechanism is arranged at the top of the main body and comprises two tensioning box bodies, the two tensioning box bodies are both connected to the top of the main body in a sliding mode, clamping devices are fixedly connected to the inner walls of one sides, close to the inlet plate, of the two tensioning box bodies, inserting cylinders are fixedly connected to the outer walls of one sides, close to the inlet plate, of the two tensioning box bodies, and a plurality of clamping holes are formed in the outer walls of the inserting cylinders; The coating clamping mechanism is arranged in the clamping hole and comprises a plurality of small coating clamping frames which are respectively and slidably connected in the clamping holes, a large coating clamping frame is slidably connected in the clamping holes, the length of the small coating clamping frame is larger than that of the large coating clamping frame, one side of the small coating clamping frame, far away from the insertion barrel, is rotationally connected with a long-distance connecting frame, and one side of the large coating clamping frame, far away from the insertion barrel, is rotationally connected with a rotating connecting frame; The positioning mechanism is arranged on the inlet plate and comprises a plurality of sliding rods, the sliding rods are connected to one side, close to the tensioning box body, of the inlet plate in a sliding mode, clamping ring plates are fixedly connected to one sides, far away from the sliding rods, of the sliding rods, a plurality of long-distance rotating grooves are formed in the outer wall of the clamping ring plates, and a plurality of short-distance rotating grooves are formed in the outer wall of the clamping ring plates. Further, the two ends of the outer wall of the inlet plate, which are far away from each other, are respectively penetrated and provided with a rotating hole, one side of the inlet plate, which corresponds to the insertion barrel, is penetrated and provided with an inlet, the top of the main body is provided with two groups of sliding grooves, and the two tensioning box bodies are respectively in sliding connection with the two groups of sliding grooves. Further, the two tensioning boxes are symmetrically distributed by taking the main body as a center, the two tensioning boxes are both in sliding connection with the outer walls of the two sliding strips, and the tensioning mechanism further comprises an upper extension connecting frame which is fixedly connected to the top of the tensioning box. Further, the front and the back of the tensioning box body are fixedly connected with side extension connecting frames, one sides, away from each other, of the two tensioning box bodies are fixedly connected with two extension pull rods, the top of the main body is