Concrete drawing instrument for house safety appraisal

By designing the rotating structure, protective structure and dust removal structure in the concrete puller, the problem of using single angles and concrete fragments in the prior art is solved, and more flexible detection and better safety protection are achieved.

CN223021780UActive Publication Date: 2025-06-24GUANGZHOU ZHONGHENG HOUSING SAFETY APPRAISAL CO LTD
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Patent Information

Application Number
CN202421900774.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-06
Publication Date
2025-06-24
Estimated Expiration
2034-08-06

AI Technical Summary

Technical Problem

The existing concrete puller uses a single angle, and the concrete fragments sputtered during pulling detection are likely to cause harm to personnel.

Method used

A concrete puller for house safety identification was designed, and the puller body was installed using a rotating structure, combining the protective structure and dust removal structure, and effectively intercept concrete fragments through the coordination of the clamp and the spring, and the dust generated was cleaned through the cooperation of the fan and the suction pipe.

Benefits of technology

It improves the flexibility of pulling detection, effectively protects nearby personnel from the damage of concrete sputtering, and improves the working environment and reduces dust pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a concrete drawing instrument for house safety appraisal, and relates to the technical field of concrete drawing instruments. The drawing device comprises a base and a drawing structure, comprising a mounting frame, a drawing instrument body located in the mounting frame, a mounting sleeve connected to the outer wall of the drawing instrument body in a sleeving mode, a bearing mounted in the mounting frame in an embedded mode, rotating shafts located at the front end and the rear end of the mounting sleeve, a first motor located on one side of the mounting frame, a telescopic rod located at one end of the drawing instrument body and a machine base located on one side of the telescopic rod. The second motor is located in the machine base, and the butt-joint screw is located at the output end of the second motor; the protection structure comprises a supporting plate connected to the outer wall of the drawing instrument body in a sleeving mode, a clamping sleeve located on one side of the supporting plate and a spring located between the clamping sleeve and the supporting plate. The drawing structure and the protection structure are arranged, so that the problems that the use angle of a drawing instrument is single, and splashed concrete fragments are prone to hurting personnel during drawing detection are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of concrete pull - out meters, in particular to a concrete pull - out meter for housing safety appraisal. Background Technique

[0002] When conducting housing safety appraisal, the building structure and materials will be inspected and evaluated to determine their stability, load - bearing capacity and safety. Concrete is one of the commonly used structural materials in construction. Therefore, the quality and strength of concrete are crucial to the safety of buildings. A concrete pull - out meter is a commonly used testing device for evaluating the tensile strength and deformation performance of concrete. Through the concrete pull - out test, the tensile resistance performance of concrete can be understood, so as to evaluate the stability and safety of the building structure.

[0003] The Chinese patent discloses a concrete pull - out meter with a height - adjusting structure for housing safety appraisal (authorization publication number CN215066077U). The patented technology includes: a support platform, height - adjusting columns are fixed to the lower parts of the left and right ends of the support platform, and a quick - release bolt is arranged on the lower left side of the height - adjusting column; a support column is connected to the lower end of the height - adjusting column, and an anti - slip rubber block is arranged at the bottom of the support column. This concrete pull - out meter with a height - adjusting structure for housing safety appraisal uses the support column and the height - adjusting column to support the support platform, so that the height between the height - adjusting column and the support column can be conveniently adjusted through the quick - release bolt, thereby adjusting the height of the support platform, which brings convenience to the connection and use of the staff. By rotating the handle, the driving threaded rod can be driven to rotate inside the support platform, thereby driving the pull - out meter body to perform pull - out detection, which is convenient for the staff to perform manual detection and appraisal.

[0004] This patented technology can perform pull - out detection on concrete at different heights during use, but there are still deficiencies in the use process. The use angle of the pull - out meter is single, and the concrete fragments sputtered during pull - out detection are easy to cause harm to personnel. Therefore, those skilled in the art provide a concrete pull - out meter for housing safety appraisal to solve the problems raised in the above background technique. Content of the Utility Model

[0005] 1. Technical Solution

[0006] To solve the above - mentioned technical problems, the utility model is realized through the following technical solutions:

[0007] The utility model is a concrete pull - out meter for housing safety appraisal, including a base,

[0008] The drawing structure includes a mounting rack at the upper end of the base, a drawing instrument body inside the mounting rack, a mounting sleeve sleeved on the outer wall of the drawing instrument body, a bearing embedded in the mounting rack, a rotating shaft at the front and rear ends of the mounting sleeve and rotatably inserted into the bearing, a first motor on one side of the mounting rack with its output end connected to the rotating shaft, a telescopic rod at one end of the drawing instrument body, a machine base on one side of the telescopic rod, a second motor inside the machine base, and a docking screw at the output end of the second motor.

[0009] The protection structure includes a support plate sleeved on the outer wall of the drawing instrument body, a jacket sleeved on the outside of the second motor on one side of the support plate, and springs distributed in an annular array between the jacket and the support plate.

[0010] The dust removal structure includes a collection box at the upper end of the base, a blower embedded in one end of the collection box, and a suction pipe penetrating and installed in the collection box and the jacket.

[0011] Further, universal wheels are provided at the lower end of the base, and the universal wheels are located at the four corners of the lower end of the base.

[0012] Specifically, the lower end of the base is supported by rolling through the universal wheels, which is convenient for handling and moving when the drawing structure is in use.

[0013] Further, a hydraulic rod is provided inside the base, and a pressing plate is provided at the lower end of the hydraulic rod.

[0014] Specifically, when the hydraulic rod drives the pressing plate to fit with the ground, the base is fixed.

[0015] Further, a travel port sleeved on the outer side of the drawing instrument body is opened inside the jacket, and a soft pad is provided on the outer wall of the opening of the jacket.

[0016] Specifically, the jacket moves effectively on the outer side of the drawing instrument body through the travel port. When it fits with the base surface through the soft pad, the sealing effect at the opening of the jacket is improved.

[0017] Further, through holes distributed in an annular array are opened inside the support plate, and guide rods located inside the springs and slidably inserted into the through holes are provided at one end of the jacket.

[0018] Specifically, when the springs expand and contract, the guide rods slide inside the through holes to limit the springs and prevent the springs from shifting outwards.

[0019] Further, a filter screen is provided inside the collection box, a discharge pipe is provided at the lower end of the collection box, and a valve is provided inside the discharge pipe.

[0020] Specifically, the debris sucked into the collection box is intercepted by the filter screen to prevent the debris from entering the blower. The debris is transported through the discharge pipe, and the valve controls the opening and closing of the discharge pipe.

[0021] 2. Beneficial effects

[0022] Compared with the prior art, the advantages of the present utility model are as follows:

[0023] In the present utility model, the pulling instrument body is installed on a rotating structure. During the use of the pulling instrument body, effective pulling tests can be carried out on the concrete of houses at different positions, improving the detection flexibility;

[0024] At the same time, during the concrete pulling test, the clamping sleeve shields the concrete at the pulling position, intercepting the broken pieces splashed by the broken concrete, avoiding the problem of concrete splashing to the outside and causing injury to personnel, and providing good protection for nearby personnel.

[0025] Of course, it is not necessary for any product implementing the present utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0027] Figure 1 It is the front view three-dimensional structure schematic diagram of the present utility model;

[0028] Figure 2 It is the top view three-dimensional structure schematic diagram of the present utility model;

[0029] Figure 3 It is the side view three-dimensional structure schematic diagram of the motor of the present utility model;

[0030] Figure 4 It is the side cross-sectional three-dimensional structure schematic diagram of the collection box of the present utility model;

[0031] Figure 5 It is the main cross-sectional three-dimensional structure schematic diagram of the clamping sleeve of the present utility model.

[0032] In the drawings, the list of components represented by each reference numeral is as follows:

[0033] 100, base; 101, universal wheel; 102, hydraulic rod; 103, pressing plate;

[0034] 200, pulling structure; 201, mounting bracket; 202, motor I; 203, bearing; 204, pulling instrument body; 205, rotating shaft; 206, mounting sleeve; 207, telescopic rod; 208, motor II; 209, docking screw; 210, machine base;

[0035] 300. Protective structure; 301. Soft pad; 302. Ferrule; 303. Support plate; 304. Spring; 305. Guide rod; 306. Through hole; 307. Stroke port;

[0036] 400. Dust removal structure; 401. Fan; 402. Collection box; 403. Filter screen; 404. Discharge pipe; 405. Suction pipe. Specific embodiments

[0037] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model will be given in conjunction with the accompanying drawings.

[0038] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar generalizations without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0039] Secondly, the present utility model will be described in detail with reference to the schematic diagrams. When detailing the embodiments of the present utility model, for the convenience of description, the cross-sectional views showing the device structure will be enlarged locally out of the general proportion, and the schematic diagrams are only examples and should not limit the scope of protection of the present utility model herein. In addition, in actual production, three-dimensional spatial dimensions including length, width and depth should be included.

[0040] In order to make the purpose, technical solution and advantages of the present utility model clearer, the following will further describe the embodiments of the present utility model in detail in conjunction with the accompanying drawings.

[0041] Embodiment 1

[0042] Please refer to Figures 1-5 As shown, this embodiment is a concrete pull-out tester for housing safety appraisal, including a base 100,

[0043] A pull-out structure 200, including a mounting frame 201 located at the upper end of the base 100, a pull-out tester body 204 located inside the mounting frame 201, a mounting sleeve 206 sleeved on the outer wall of the pull-out tester body 204, a bearing 203 embedded in the mounting frame 201, a rotating shaft 205 located at the front and rear ends of the mounting sleeve 206 and rotatably inserted into the bearing 203, a motor 202 located on one side of the mounting frame 201 and having an output end connected to the rotating shaft 205, a telescopic rod 207 located at one end of the pull-out tester body 204, a machine base 210 located on one side of the telescopic rod 207, a motor 208 located inside the machine base 210, and a docking screw 209 located at the output end of the motor 208;

[0044] The lower end of the base 100 is provided with universal wheels 101, and the universal wheels 101 are located at the four corners of the lower end of the base 100;

[0045] The base 100 is internally provided with a hydraulic rod 102, and the lower end of the hydraulic rod 102 is provided with a pressing plate 103;

[0046] The pulling structure 200 is used;

[0047] Push the mounting frame 201 to apply force to the base 100, and the universal wheels 101 at the bottom of the base 100 provide rolling support for it. After the base 100 moves to the designated position, the hydraulic rod 102 drives the pressing plate 103 to descend. After the pressing plate 103 fits with the ground, the stability between the base 100 and the ground is increased. The first motor 202 operates to drive the rotating shaft 205 to rotate, and the rotating shaft 205 drives the pulling instrument body 204 to rotate. The anchor plate embedded in the house concrete is docked through the docking screw 209. When docking, the second motor 208 drives the docking screw 209 to rotate and effectively inserts into the preset screw hole inside the anchor plate. At the same time, when the pulling instrument body 204 operates, the pulling force acts on the detected concrete to conduct the pulling test of the house concrete, and then the safety of the protection is detected.

[0048] Embodiment 2

[0049] Please refer to Figures 1-5 As shown, this embodiment further includes on the basis of Embodiment 1;

[0050] A protection structure 300, including a support plate 303 sleeved on the outer wall of the pulling instrument body 204, a sleeve 302 located on one side of the support plate 303 and sleeved on the outside of the second motor 208, and springs 304 arranged in an annular array between the sleeve 302 and the support plate 303;

[0051] A dust removal structure 400, including a collection box 402 located at the upper end of the base 100, a blower 401 embedded and installed inside one end of the collection box 402, and a suction pipe 405 penetrating and installed between the collection box 402 and the sleeve 302.

[0052] A travel port 307 sleeved on the outside of the pulling instrument body 204 is opened inside the sleeve 302, and a soft pad 301 is arranged on the outer wall of the opening of the sleeve 302;

[0053] Through holes 306 arranged in an annular array are opened inside the support plate 303, and a guide rod 305 located inside the spring 304 and slidably inserted into the through holes 306 is arranged at one end of the sleeve 302;

[0054] A filter screen 403 is arranged inside the collection box 402, a discharge pipe 404 is arranged at the lower end of the collection box 402, and a valve is arranged inside the discharge pipe 404;

[0055] The protection structure 300 is used;

[0056] During the pulling test, the pulling instrument body 204 operates to drive the docking screw 209 to move. The ferrule 302 fits against the outer wall of the concrete, and the soft pad 301 fits against the concrete base surface. When the ferrule 302 is squeezed, it shrinks through the telescopic characteristic of the spring 304. The guide rod 305 moves inside the through hole 306 to limit the spring 304. The suction force of the blower 401 acts on the inside of the ferrule 302 through the suction pipe 405. The concrete sputtered during the pulling test is intercepted by the ferrule 302, and the ferrule 302 is connected to the support plate 303 through the spring 304. When the docking screw 209 moves in the direction away from the tested concrete, the ferrule 302 obtains stroke compensation through the spring 304, has a good effect of fitting with the concrete, avoids the sputtered concrete from injuring nearby personnel, and the generated dust is sucked into the collection box 402 to protect the environment.

[0057] In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and defined, the terms "set", "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0058] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A concrete pulling instrument for housing safety assessment, characterized in that: comprising a base (100), The pulling structure (200) comprises a mounting frame (201) located at the upper end of a base (100), a pulling instrument body (204) located inside the mounting frame (201), a mounting sleeve (206) sleeved on the outer wall of the pulling instrument body (204), a bearing (203) embedded and installed inside the mounting frame (201), a rotating shaft (205) located at the front and rear ends of the mounting sleeve (206) and rotatably plugged into the bearing (203), a motor 1 (202) located at one side of the mounting frame (201) and having an output end connected to the rotating shaft (205), a telescopic rod (207) located at one end of the pulling instrument body (204), a machine base (210) located at one side of the telescopic rod (207), a motor 2 (208) located inside the machine base (210), and a docking screw (209) located at the output end of the motor 2 (208); The protective structure (300) comprises a support plate (303) sleeved on the outer wall of the puller body (204), a clamping sleeve (302) located on one side of the support plate (303) and sleeved on the outer side of the second motor (208), and springs (304) distributed in a ring array between the clamping sleeve (302) and the support plate (303); The dust removal structure (400) comprises a collection box (402) located at the upper end of the base (100), a fan (401) embedded in one end of the collection box (402), and a suction pipe (405) installed through the collection box (402) and the ferrule (302).

2. The concrete pulling instrument for house safety assessment according to claim 1, characterized in that: The lower end of the base (100) is provided with universal wheels (101), and the universal wheels (101) are located at the four corners of the lower end of the base (100).

3. The concrete pulling instrument for house safety assessment according to claim 1, characterized in that: A hydraulic rod (102) is arranged inside the base (100), and a pressing plate (103) is arranged at the lower end of the hydraulic rod (102).

4. The concrete pulling instrument for house safety assessment according to claim 1, characterized in that: The interior of the clamping sleeve (302) is provided with a travel opening (307) which is sleeved on the outside of the puller body (204), and the outer wall of the opening of the clamping sleeve (302) is provided with a soft cushion (301).

5. The concrete pulling instrument for house safety assessment according to claim 1, characterized in that: The support plate (303) is provided with through holes (306) distributed in a ring array, and one end of the ferrule (302) is provided with a guide rod (305) located inside the spring (304) and slidably inserted into the through holes (306).

6. The concrete pulling instrument for house safety assessment according to claim 1, characterized in that: A filter screen (403) is arranged inside the collection box (402), a discharge pipe (404) is arranged at the lower end of the collection box (402), and a valve is arranged inside the discharge pipe (404).