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CN-121994924-A - Wall hollowing detection device based on construction engineering quality detection

CN121994924ACN 121994924 ACN121994924 ACN 121994924ACN-121994924-A

Abstract

The invention relates to the technical field of wall detection, and discloses a wall hollowing detection device based on construction engineering quality detection, which comprises a tail drawing rod of a hollow structure, a front drawing rod capable of drawing from the inside of the tail drawing rod, a universal type rotation force control mechanism and a collision type locking mechanism. This wall body hollowing detection device based on building engineering quality detects, control beat dynamics in the safe limit, avoided the secondary damage of beating the bulb to the wall from the root, from "reducing atress" and "dispersion atress" two dimensionality protection locking structure, thoroughly solve the easy decay of current device locking effect, the quick defect of equipment loss, promote locking structure's durability by a wide margin, extension equipment effective life.

Inventors

  • XU PING
  • WANG HUI
  • LI JING

Assignees

  • 平阴县建筑工程质量检测站

Dates

Publication Date
20260508
Application Date
20260326

Claims (10)

  1. 1. The wall hollowing detection device based on the construction engineering quality detection comprises a tail drawing rod (1) with a hollow structure and a front drawing rod (2) which can be drawn out from the inside of the tail drawing rod (1), and is characterized by further comprising, The universal type rotation force control mechanism (3) structurally comprises a hollow handheld rod (31) with a hollow structure, a rotary sphere (37) which is arranged at the top of the hollow handheld rod (31) and can drive the tail drawing rod (1) to rotate, a collision rod (310) which is abutted against the bottom of the rotary sphere (37) and can enable the rotary sphere (37) to realize a locking state, a first spiral spring (312) which can generate elastic pre-tightening force on the contact rod (310) and a longitudinal threaded rod (313) which can change the elastic strength of the first spiral spring (312); And the conflict locking mechanism (4) structurally comprises a hollow structure (41) fixedly mounted at the top of the tail drawing rod (1), a fan-shaped air bag piece (414) which is arranged inside the hollow structure (41) and can generate conflict locking to a rod body of the front drawing rod (2), and a threaded sleeve (44) which can change the locking effect of the fan-shaped air bag piece (414) to the front drawing rod (2).
  2. 2. The wall hollowing detection device based on construction quality detection according to claim 1, wherein the universal rotation force control mechanism (3) further comprises a hemispherical shell (32) integrally arranged at the top of the hollow handheld rod (31), a columnar movable cavity (33) is arranged inside the hollow handheld rod (31), a hemispherical mounting groove (34) with an opening structure at the top is arranged inside the hemispherical shell (32), the bottom of the hemispherical mounting groove (34) is communicated with the top of the columnar movable cavity (35) through a first rod body perforation (35), a first internally threaded hole (36) is arranged at the bottom of the hollow handheld rod (31), a rotatable rotary sphere (37) is arranged in the hemispherical mounting groove (34), a first mounting plate (38) with an integral structure is fixedly connected with the bottom end of the tail drawing rod (1), a movable plate (311) is arranged inside the columnar movable cavity (32), the movable plate can move along the axial direction of the hemispherical mounting groove, a lower movable plate (311) is arranged above the hemispherical mounting plate, a lower movable plate (311) is arranged inside the movable plate, and a lower movable plate (311) is arranged inside the movable plate, the upper surface of the upper built-in movable plate (39) is fixedly provided with a contact supporting rod (310) which penetrates through a first rod body through hole (35) and can be abutted against the bottom surface of the rotary sphere (37), the bottom of the lower built-in movable plate (311) is fixedly provided with a longitudinal threaded rod (313), and the rod body of the longitudinal threaded rod (313) is arranged inside the first internal threaded hole (36) through a first thread structure.
  3. 3. The wall hollowing detection device based on construction quality detection according to claim 2, wherein the first thread structure comprises an inner thread structure arranged at the circumferential inner wall of the first inner thread hole (36) and an outer thread structure arranged at the rod body of the longitudinal threaded rod (313), and the inner thread structure is matched with the outer thread structure.
  4. 4. The wall hollowing detection device based on construction quality detection according to claim 3, wherein the structural radius of the hemispherical installation groove (34) is matched with the structural radius of the rotary sphere (37), and the depth of the hemispherical installation groove (34) is larger than the structural radius of the rotary sphere (37) and smaller than the structural diameter of the rotary sphere (37).
  5. 5. The wall hollowing detection device based on construction quality detection according to claim 4, wherein the contradicting locking mechanism (4) further comprises a rod body fixing groove (42) which is arranged at the bottom of the hollow structure (41) and fixedly installed at the opening of the top of the tail drawing rod (1), the top of the hollow structure (41) is provided with a second rod body penetrating hole (43) communicated with the top of the rod body fixing groove (42) and used for the front drawing rod (2) to penetrate, the center of the threaded sleeve (44) is provided with a second internal thread hole (45), the outer circumferential surface of the bottom shell of the hollow structure (41) is installed in the second internal thread hole (45) through a second thread structure, the bottom of the hollow structure (41) is provided with a limiting ring structure (46) which is integrated with the hollow structure, the hollow structure (41) is provided with three sector-shaped embedded grooves (48) which are distributed in an annular array at the circumferential inner wall of the second rod body penetrating hole (43), one sector-shaped embedded groove (414) is installed in a sealing mode in each sector-shaped embedded groove (48), the outer side of each sector-shaped embedded groove (48) is provided with a sector-shaped air bag (47) which is communicated with the outer sector-shaped cavity (47), the fan-shaped flow cavity (47) is characterized in that the top end of the fan-shaped flow cavity (47) is communicated with the top end of the annular movable cavity (49) through a flow gap (410), a third rod body perforation (411) communicated with an external space is arranged at the bottom of the annular movable cavity (49), an annular piston body (412) capable of axially moving along the annular movable cavity is arranged in the annular movable cavity (49), and a movable rod (413) penetrating the third rod body perforation (411) is fixedly arranged at the bottom end of the annular piston body (412).
  6. 6. The wall hollowing detection device based on the construction quality detection of claim 5, wherein the second thread structure comprises an inner thread structure arranged at the inner circumferential wall of the second internal thread hole (45) and an outer thread structure arranged at the outer circumference of the bottom of the hollow structure (41), and the inner thread structure is matched with the outer thread structure.
  7. 7. The wall hollowing detection device based on the construction quality detection according to claim 6, wherein the structural radius of the second rod body through hole (43) is matched with the structural radius of the front end drawing rod (2).
  8. 8. The wall hollowing detection device based on the construction quality detection of claim 7, wherein the inner part of a closed area formed by the upper surface of the annular piston body (412), the annular movable cavity (49), the flow gap (410), the fan-shaped flow cavity (47) and the outer convex surface of the fan-shaped air bag piece (414) is filled with buffer solution.
  9. 9. The wall hollowing detection device based on the construction quality detection according to any one of claims 2 to 8, further comprising a buffer knocking mechanism (5) which structurally comprises a second spiral spring (53) which is installed at the top end of the front end drawing rod (2) and can be bent, and a knocking ball head (55) which is installed at the top of the second spiral spring (53).
  10. 10. The wall hollowing detection device based on the construction quality detection of claim 9, wherein the buffer type knocking mechanism (5) further comprises a second mounting plate (51) fixedly mounted at the top end of the front end drawing rod (2), a second spiral spring (53) is fixedly mounted on the upper surface of the second mounting plate (51), a third mounting plate (52) is fixedly mounted at the top of the second spiral spring (53), a connecting rod (54) of an integrated structure is arranged at the top end of the third mounting plate (52), and a knocking ball head (55) is fixedly mounted at the top end of the connecting rod (54).

Description

Wall hollowing detection device based on construction engineering quality detection Technical Field The invention relates to the technical field of wall detection, in particular to a wall hollowing detection device based on construction engineering quality detection. Background In construction engineering construction quality control, wall hollowing detection is one of the core links of wall construction quality acceptance, the wall hollowing detection device in the mainstream in the industry at the present stage mostly adopts a pull-out type rod body structure, a knocking ball head is assembled at the top end of the wall hollowing detection device, the ball head is driven to knock the wall surface by means of manual control of the rod body, whether the wall body has hollowing problems or not is judged through sound difference, and the device is widely applied to quality detection work of a construction site due to simple structure and convenient operation. However, in the actual use process of the existing pull type hollowing detection device, a plurality of technical defects still exist, all the defects are mutually influenced, the safety of detection operation and the service life of equipment are seriously restricted, and the specific problems are expressed in two aspects: The device has no rotation force regulation structure, the manually applied rotation force is controlled completely by operation experience, and quantization and limit control cannot be realized. Meanwhile, the wall materials of the construction site are various, the wall surfaces of different materials such as cement mortar walls, ceramic tile walls, emulsion paint walls and the like have obvious differences in compression resistance and impact resistance, the damage degree to the wall surfaces of different materials is different under the same knocking force, and the knocking mode without the control force is extremely easy to cause secondary damage such as brick falling, paint surface damage, wall surface cracking and the like of the wall surfaces due to overlarge rotating force, so that the quality of a construction finished product is influenced. In addition, when knocking the operation, the resilience effort of wall can directly transmit to the locking position of pull rod, produces continuous axial effort, and this effort can make the body of rod at locking position take place little plastic deformation, and deformation can increase along with the number of times and constantly accumulate, finally leads to the body of rod locking effect to drop by a wide margin, appears the body of rod not hard up, slip scheduling problem, seriously shortens the effective life of equipment, and the body of rod that loosens also can further influence simultaneously and strike the precision that detects. Disclosure of Invention Aiming at the defects of the prior art, the invention provides the wall hollowing detection device which can realize accurate control of the rotating force and has a stable and durable locking structure, and solves the technical problems. The wall hollowing detection device comprises a tail drawing rod of a hollow structure, a front drawing rod capable of drawing out from the inside of the tail drawing rod, a universal type rotation force control mechanism, a hollow handheld rod, a rotating ball, a first spiral spring, a longitudinal threaded rod and a locking mechanism, wherein the hollow handheld rod is of a hollow structure, the rotating ball is placed at the top of the hollow handheld rod and can drive the tail drawing rod to rotate, the abutting rod abuts against the bottom of the rotating ball and can enable the rotating ball to achieve a locking state, the first spiral spring generates elastic pretightening force on the abutting rod, the longitudinal threaded rod can change the elastic strength of the first spiral spring, and the abutting locking mechanism comprises a fan-shaped air bag sheet fixedly installed at the top of the tail drawing rod and is of a hollow structure, the fan-shaped air bag sheet is arranged in the hollow structure and can generate abutting locking effect on a rod body of the front drawing rod, and the threaded sleeve can change the locking effect of the fan-shaped air bag sheet on the front drawing rod. Preferably, the universal type rotary force control mechanism further comprises a hemispherical shell integrally arranged at the top of the hollow handheld rod, a columnar movable cavity is formed in the hollow handheld rod, a hemispherical mounting groove with an opening structure is formed in the hemispherical shell, a first spiral spring in a compressed state is arranged between the bottom of the hemispherical mounting groove and the top of the columnar movable cavity, a first internal threaded hole is formed in the bottom of the hollow handheld rod, a rotatable rotary ball is placed in the hemispherical mounting groove, a first mounting plate of an integrated structure is arranged at the t