CN213148494U

CN213148494U - Concrete crack control device

Info

Publication number: CN213148494U
Application number: CN202022020147.0U
Authority: CN
Inventors: 许允占; 陈永飞; 竺滨; 杨晓慧; 戴莎莎; 徐仰臻; 马波
Original assignee: Hangzhou Xinda Investment Consulting And Valuation Supervision Co ltd
Current assignee: Hangzhou Xinda Investment Consulting And Valuation Supervision Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-05-07
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a concrete crack controlling means, comprises an operation bench, the upper surface of operation panel is provided with horizontal fixture, horizontal fixture includes fixed case, the double-shaft motor, the support frame, lead screw A, lead screw B, the slider, the guide holder, grip block A and grip block B, the biax of double-shaft motor all is connected with screw thread opposite direction's lead screw A and lead screw B respectively through the shaft coupling, grip block A is installed through the slider to lead screw A, grip block B is installed through the slider to lead screw B, grip block A and grip block B all wear out the fixed case and press from both sides and hold the concrete sample, the upper end of concrete sample is fixed on the operation panel through vertical fixture. The utility model discloses a concrete crack controlling means can carry out effectual centre gripping through horizontal fixture and vertical fixture to the concrete sample fixed, makes the concrete crack obtain effectual control, can make the crack gap adjust and adjust the facility.

Description

Concrete crack control device

Technical Field

The utility model relates to a concrete technical field specifically is a concrete crack controlling means.

Background

Concrete cracks are physical structural changes of concrete structures due to the action of internal and external factors, and cracks are a main cause of reduction in bearing capacity, durability and waterproofness of concrete structures.

In the experiment, a micro crack is produced on a concrete test piece through a pressure testing machine, and then the self-repairing capability of the concrete doped with the repairing agent in advance is measured according to two visual indexes of crack area and permeability recovery. At present, the method for controlling the cracking degree of the artificially manufactured micro cracks of the self-repairing concrete mainly comprises the step of restraining the cracked concrete through an external steel hoop so as to control the width of the micro cracks, but the operation mode has the defects that the concrete cracks cannot be effectively controlled and the adjustment is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete crack controlling means can carry out effectual centre gripping through horizontal fixture and vertical fixture to the concrete sample fixed, makes the concrete crack obtain effectual control, can make the crack gap can adjust and adjust the facility, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a concrete crack control device comprises an operation table, wherein a transverse clamping mechanism is arranged on the upper surface of the operation table and comprises a fixed box, a double-shaft motor, a support frame, a screw rod A, a screw rod B, a sliding block, a guide seat, a clamping plate A and a clamping plate B, the fixed box is installed on the operation table, the double-shaft motor is arranged on the inner side of the fixed box and is fixed on the inner wall of the fixed box through the support frame, double shafts of the double-shaft motor are respectively connected with the screw rod A and the screw rod B with opposite thread directions through a coupler, the other ends of the screw rod A and the screw rod B are respectively installed on the inner wall of the fixed box through a bearing, the sliding block is respectively connected on the screw rod A and the screw rod B through threads, the sliding block is installed on the inner wall of the fixed box through the guide seat, the clamping plate A is installed on the screw rod A through the sliding, the clamping plate A and the clamping plate B penetrate out of the fixing box to clamp a concrete sample, and the upper end of the concrete sample is fixed on the operating platform through a longitudinal clamping mechanism.

Preferably, the longitudinal clamping mechanism comprises a screw rod C, a guide column A, a guide column B and a clamping plate C, the screw rod C is installed on the clamping plate A, the screw rod C is in threaded connection with the clamping plate C, the clamping plate C is further installed on the guide column A and the guide column B, and the guide column A and the guide column B are arranged on the clamping plate B side by side.

Preferably, a handle is installed at one end of the screw rod C, and the clamping plate C drives the screw rod C to rotate and lift through the handle.

Preferably, the inner wall of the fixed box is provided with a guide groove A for the guide seat to translate, and the guide groove A is matched with the guide seat.

Preferably, the upper surface of fixed case is seted up and is supplied grip block A and grip block B translation's guide way B respectively, and grip block A and grip block B all with guide way B adaptation.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the concrete crack control device of the utility model, a concrete sample is placed on the operation table, the double-shaft motor drives the screw rod A and the screw rod B with opposite screw thread directions to rotate, the screw rod A and the screw rod B can drive the slide block to translate under the guiding action of the guide seat in the rotating process so as to lead the clamping plate A and the clamping plate B to move oppositely, after the end surfaces at two sides of the concrete sample are clamped by the clamping plate A and the clamping plate B, the screw rod C is driven to rotate by the handle, the clamping plate C can be driven to vertically move downwards under the guiding action of the guide post A and the guide post B in the rotating process of the screw rod C until the clamping plate C clamps the upper end surface of the concrete sample, can carry out effectual centre gripping through horizontal fixture and vertical fixture to the concrete sample and fix, make the concrete crack obtain effectual control, can make the crack gap adjust and adjust the facility.

Drawings

Fig. 1 is a schematic view of a concrete crack control device according to the present invention;

FIG. 2 is a schematic cross-sectional view of a concrete crack control device according to the present invention;

FIG. 3 is a schematic view of the longitudinal clamping mechanism of the present invention;

fig. 4 is a schematic view of the clamping plate a of the present invention.

In the figure: 1. an operation table; 2. a transverse clamping mechanism; 21. a fixed box; 211. a guide groove A; 212. a guide groove B; 22. a double-shaft motor; 23. a support frame; 24. a screw mandrel A; 25. a screw mandrel B; 26. a slider; 27. a guide seat; 28. a clamping plate A; 29. a clamping plate B; 3. concrete samples; 4. a longitudinal clamping mechanism; 41. a screw rod C; 411. a handle; 42. a guide post A; 43. a guide post B; 44. and a clamping plate C.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a concrete crack control device includes an operation table 1, a horizontal clamping mechanism 2 is disposed on an upper surface of the operation table 1, the horizontal clamping mechanism 2 includes a fixed box 21, a dual-axis motor 22, a support frame 23, a lead screw a24, a lead screw B25, a slider 26, a guide seat 27, a clamping plate a28 and a clamping plate B29, the fixed box 21 is mounted on the operation table 1, the dual-axis motor 22 is disposed on an inner side of the fixed box 21, the dual-axis motor 22 is fixed on an inner wall of the fixed box 21 through the support frame 23, two axes of the dual-axis motor 22 are respectively connected with the lead screw a24 and the lead screw B25 with opposite thread directions through a coupling, the other ends of the lead screw a24 and the lead screw B25 are mounted on the inner wall of the fixed box 21 through a bearing, the lead screw a24 and the lead screw B25 are respectively connected with the slider 26 through threads, the slider 26 is mounted on the inner wall of the fixed box 21 through the guide, the guide groove A211 is matched with the guide seat 27, the screw rod A24 is provided with a clamping plate A28 through a sliding block 26, the screw rod B25 is provided with a clamping plate B29 through the sliding block 26, the clamping plate A28 and the clamping plate B29 both penetrate out of the fixed box 21 to clamp the concrete sample 3, the concrete sample 3 is placed on the operation table 1, the double-shaft motor 22 drives the screw rod A24 and the screw rod B25 with opposite thread directions to rotate, the screw rod A24 and the screw rod B25 can drive the sliding block 26 to translate under the guiding action of the guide seat 27 in the rotating process so as to enable the clamping plate A28 and the clamping plate B29 to move oppositely, the two side end faces of the concrete sample 3 are clamped through the clamping plate A28 and the clamping plate B29, the upper surface of the fixed box 21 is provided with a guide groove B212 for the clamping plate A28 and the clamping plate B29 to translate respectively, the clamping plate A28 and the clamping plate B29 are matched with the guide groove B212, the upper end face of the concrete sample 3 is fixed, the longitudinal clamping mechanism 4 comprises a screw rod C41, a guide post A42, a guide post B43 and a clamping plate C44, the screw rod C41 is installed on the clamping plate A28, the screw rod C41 is in threaded connection with the clamping plate C44, the clamping plate C44 is also installed on a guide post A42 and a guide post B43, the guide post A42 and the guide post B43 are arranged on the clamping plate B29 side by side, one end of the screw rod C41 is provided with a handle 411, the clamping plate C44 drives the screw rod C41 to rotate and lift through the handle 411, the handle 411 drives the screw rod C41 to rotate, the screw rod C41 can drive the clamping plate C44 to vertically move downwards under the guiding action of the guide column A42 and the guide column B43 in the rotating process until the clamping plate C44 clamps the upper end face of the concrete sample 3, can carry out effectual centre gripping through horizontal fixture 2 and vertical fixture 4 to concrete sample 3 fixed, make the concrete crack obtain effectual control, can make the crack gap adjust and adjust conveniently.

The working principle is as follows: the concrete sample 3 is placed on the operation table 1, the double-shaft motor 22 drives the screw rod A24 and the screw rod B25 with opposite thread directions to rotate, the screw rod A24 and the screw rod B25 can drive the slide block 26 to translate under the guiding action of the guide seat 27 in the rotating process so as to enable the clamping plate A28 and the clamping plate B29 to move oppositely, after the two side end faces of the concrete sample 3 are clamped through the clamping plate A28 and the clamping plate B29, the screw rod C41 is driven to rotate through the handle 411, the screw rod C41 can drive the clamping plate C44 to vertically move downwards under the guiding action of the guide column A42 and the guide column B43 until the clamping plate C44 clamps the upper end face of the concrete sample 3, the transverse clamping mechanism 2 and the longitudinal clamping mechanism 4 can effectively clamp and fix the concrete sample 3, so that concrete cracks are effectively controlled, and the cracks can be adjusted and conveniently adjusted.

To sum up, the concrete crack control device of the present invention, the concrete sample 3 is placed on the operation table 1, the dual-shaft motor 22 drives the screw rod a24 and the screw rod B25 with opposite screw directions to rotate, the screw rod a24 and the screw rod B25 can drive the slider 26 to translate under the guiding action of the guide seat 27 in the rotating process, so as to enable the clamping plate a28 and the clamping plate B29 to move in opposite directions, after the two side end faces of the concrete sample 3 are clamped by the clamping plate a28 and the clamping plate B29, the screw rod C41 is driven to rotate by the handle 411, the screw rod C41 can drive the clamping plate C44 to vertically move downwards under the guiding action of the guide pillar a42 and the guide pillar B43 in the rotating process, until the clamping plate C44 clamps the upper end face of the concrete sample 3, the concrete sample 3 can be effectively clamped and fixed by the transverse clamping mechanism 2 and the longitudinal clamping mechanism 4, so as to effectively control the concrete crack, the crack gap can be adjusted conveniently.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a concrete crack controlling means, includes operation panel (1), its characterized in that: the upper surface of the operating platform (1) is provided with a transverse clamping mechanism (2), the transverse clamping mechanism (2) comprises a fixed box (21), a double-shaft motor (22), a support frame (23), a screw rod A (24), a screw rod B (25), a sliding block (26), a guide seat (27), a clamping plate A (28) and a clamping plate B (29), the fixed box (21) is installed on the operating platform (1), the double-shaft motor (22) is arranged on the inner side of the fixed box (21), the double-shaft motor (22) is fixed on the inner wall of the fixed box (21) through the support frame (23), double shafts of the double-shaft motor (22) are respectively connected with the screw rod A (24) and the screw rod B (25) with opposite thread directions through couplers, and the other ends of the screw rod A (24) and the screw rod B (25) are installed on the inner wall of the fixed box (21) through bearings, equal threaded connection has slider (26) on lead screw A (24) and lead screw B (25), install on the inner wall of fixed case (21) through guide holder (27) slider (26), grip block A (28) are installed through slider (26) in lead screw A (24), grip block B (29) are installed through slider (26) in lead screw B (25), fixed case (21) centre gripping has concrete sample (3) all to be worn out in grip block A (28) and grip block B (29), the upper end of concrete sample (3) is fixed on operation panel (1) through vertical fixture (4).

2. A concrete crack control device as claimed in claim 1, characterized in that: vertical fixture (4) includes lead screw C (41), guide post A (42), guide post B (43) and grip block C (44), and install on grip block A (28) lead screw C (41), and lead screw C (41) threaded connection has grip block C (44), and grip block C (44) are still installed on guide post A (42) and guide post B (43), and guide post A (42) and guide post B (43) are arranged side by side on grip block B (29).

3. A concrete crack control device as claimed in claim 2, characterized in that: and a handle (411) is installed at one end of the screw rod C (41), and the clamping plate C (44) drives the screw rod C (41) to rotate and lift through the handle (411).

4. A concrete crack control device as claimed in claim 1, characterized in that: the inner wall of the fixed box (21) is provided with a guide groove A (211) for the guide seat (27) to translate, and the guide groove A (211) is matched with the guide seat (27).

5. A concrete crack control device as claimed in claim 1, characterized in that: the upper surface of fixed case (21) is seted up and is supplied grip block A (28) and grip block B (29) translation guide way B (212) respectively, and grip block A (28) and grip block B (29) all with guide way B (212) adaptation.