CN219104916U

CN219104916U - Concrete shrinkage test stand

Info

Publication number: CN219104916U
Application number: CN202222707709.8U
Authority: CN
Inventors: 潘丹; 向山兵; 白岚
Original assignee: Shanghai Tungang Building Materials Co ltd
Current assignee: Shanghai Tungang Building Materials Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-05-30
Anticipated expiration: 2032-10-14

Abstract

The utility model relates to the field of concrete detection, in particular to a concrete shrinkage test stand, which comprises a table top, wherein two sides of the top of the table top are respectively fixed with a side plate, the outer wall of one side plate is provided with a dial indicator in a penetrating way, a bearing plate is fixed between the two side plates, and one side of the top of the table top is fixed with a support plate. According to the utility model, the support plate and the lifting plate can be driven to move back and forth through the third electric push rod, so that when the concrete block is required to be positioned and aligned in a concrete block shrinkage test, the lifting plate is enabled to move forward and descend under the drive of the first electric push rod, then the four second electric push rods drive the clamping plates to clamp the concrete block, so that the concrete block can be rapidly clamped in the middle relative to the lifting plate, then the lifting plate is reset and then descends, rapid installation of the concrete block can be realized, the concrete block is enabled to be aligned rapidly, manual adjustment is not needed, the efficiency is improved, and the labor intensity of staff is reduced.

Description

Concrete shrinkage test stand

Technical Field

The utility model relates to the field of concrete detection, in particular to a concrete shrinkage test bed.

Background

In the performance testing of concrete, including a variety of different testing methods, a concrete shrinkage test stand is required for testing the shrinkage of concrete.

The existing concrete shrinkage test stand is a simple placing table, side plates are arranged on two sides of the surface of the placing table, concrete blocks are placed between the two side plates, a dial indicator on the outer wall of one side plate is used for detecting the concrete blocks, the concrete blocks are required to be repeatedly maintained and then repeatedly detected, when the concrete blocks are detected, workers need to manually lift the concrete blocks between the two side plates and adjust the concrete blocks, the concrete blocks are heavier, higher fatigue strength of the workers is caused for a plurality of times, and when the alignment adjustment is carried out, certain difficulty exists in manual alignment operation due to the fact that the concrete blocks are heavier, and the dangerous condition that the concrete blocks slip off the test stand causes impact exists. Therefore, we propose a concrete shrinkage test stand.

Disclosure of Invention

The utility model aims to provide a concrete shrinkage test stand, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the concrete shrinkage test stand comprises a table top, wherein two sides of the top of the table top are respectively fixed with a side plate, one outer wall of one side plate is provided with a dial indicator in a penetrating manner, and a bearing plate is fixed between the two side plates;

a support plate is fixed on one side of the top of the table top, a first limit sliding groove is formed in one side wall of the support plate, an adaptive first limit sliding block is inserted into an inner cavity of the first limit sliding groove, a first electric push rod is fixed on the top of the first limit sliding block, the top of the first electric push rod is fixedly connected with the top of the inner cavity of the first limit sliding groove, a lifting plate is fixedly connected with the outer wall of the first limit sliding block, and clamping plates are installed on four sides of the bottom of the lifting plate;

the lifting plate is characterized in that second limiting sliding grooves are formed in four sides of the bottom of the lifting plate, second limiting sliding blocks are inserted into the inner cavities of the second limiting sliding grooves in an adaptive mode, second electric push rods are fixed on the side walls of the second limiting sliding blocks, the outer ends of the second electric push rods are fixedly connected with the inner walls of the second limiting sliding grooves, and the bottoms of the second limiting sliding blocks are fixedly connected with corresponding clamping plates.

As a preferred embodiment of the utility model, a third limit sliding groove is formed at the top of the table top corresponding to the support plate, an adaptive third limit sliding block is inserted into the inner cavity of the third limit sliding groove, a third electric push rod is fixedly connected to the side wall of the third limit sliding block, the outer end of the third electric push rod is fixedly connected with the inner wall of the third limit sliding groove, and the top of the third limit sliding block is fixedly connected with the bottom of the support plate.

As a preferred embodiment of the utility model, the inner side wall of the other side plate is provided with a limit groove.

As a preferred embodiment of the utility model, the inner side wall of the clamping plate is provided with anti-skid patterns.

As a preferred embodiment of the utility model, the four corners of the bottom of the table top are fixed with supporting legs.

Compared with the prior art, the utility model has the following beneficial effects:

according to the concrete shrinkage test stand, the support plate and the lifting plate can be driven to move back and forth through the third electric push rod, so that when the concrete blocks are required to be positioned and aligned in a concrete block shrinkage test, the lifting plate moves forwards and descends under the drive of the first electric push rod, then the clamping plates are driven by the four second electric push rods to clamp the concrete blocks, the concrete blocks can be clamped relatively to the lifting plate in a quick centering manner, then the lifting plate is reset and descends again, the concrete blocks can be installed quickly, the concrete blocks are aligned quickly, manual adjustment is not required, the efficiency is improved, and the labor intensity of workers is reduced;

through four splint synchronous clamping to can guarantee the stability of concrete piece in the centre gripping removal in-process, the effectual circumstances of avoiding appearing the slippage, thereby avoid the slippage to cause the dangerous condition emergence of impact to the test bench.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of the overall structure of a concrete shrinkage test stand according to the present utility model;

FIG. 2 is a schematic view of the bottom structure of the lifting plate of the concrete shrinkage test stand of the utility model;

FIG. 3 is a schematic view of the table top structure of the concrete shrinkage test stand of the present utility model;

fig. 4 is a schematic diagram of a side plate structure of the concrete shrinkage test stand of the present utility model.

In the figure: 1. a table top; 2. a support leg; 3. a carrying plate; 4. a side plate; 5. a dial gauge; 6. a limit groove; 7. a support plate; 8. the first limiting chute; 9. the first limiting slide block; 10. a first electrical push rod; 11. a lifting plate; 12. a clamping plate; 13. the second limiting chute; 14. the second limit sliding block; 15. a second electric push rod; 16. the third limiting chute; 17. the third limit sliding block; 18. and a third electric push rod.

Detailed Description

Referring to fig. 1-4, the present utility model provides a technical solution: the concrete shrinkage test stand comprises a table top 1, wherein two sides of the top of the table top 1 are respectively fixed with a side plate 4, the outer wall of one side plate 4 is provided with a dial indicator 5 in a penetrating manner, and a bearing plate 3 is fixed between the two side plates 4;

in the technical scheme, a support plate 7 is fixed on one side of the top of a table top 1, a third limit sliding groove 16 is formed in the position, corresponding to the support plate 7, of the top of the table top 1, an adaptive third limit sliding block 17 is inserted in the inner cavity of the third limit sliding groove 16, a third electric push rod 18 is fixedly connected to the side wall of the third limit sliding block 17, the outer end of the third electric push rod 18 is fixedly connected with the inner wall of the third limit sliding groove 16, the top of the third limit sliding block 17 is fixedly connected with the bottom of the support plate 7, a first limit sliding groove 8 is formed in one side wall of the support plate 7, an adaptive first limit sliding block 9 is inserted in the inner cavity of the first limit sliding groove 8, a first electric push rod 10 is fixedly connected to the top of the first limit sliding groove 9, a lifting plate 11 is fixedly connected to the outer wall of the first limit sliding block 9, and clamping plates 12 are all installed on the four sides of the bottom of the lifting plate 11;

in the technical scheme, the third electric push rod 18 drives the third limit slide block 17 to slide back and forth in the third limit slide groove 16, so that the support plate 7 and the lifting plate 11 are driven to move back and forth, and the first electric push rod 10 drives the first limit slide block 9 to slide in the first limit slide groove 8 in a lifting manner, so that the lifting plate 11 can be driven to lift;

in the technical scheme, the bottom four sides of the lifting plate 11 are provided with second limit sliding grooves 13, an inner cavity of each second limit sliding groove 13 is inserted with an adaptive second limit sliding block 14, the side wall of each second limit sliding block 14 is fixedly provided with a second electric push rod 15, the outer end of each second electric push rod 15 is fixedly connected with the inner wall of each second limit sliding groove 13, and the bottom of each second limit sliding block 14 is fixedly connected with a corresponding clamping plate 12;

in this technical solution, the second electric push rod 15 can drive the second limit slide block 14 to slide in the second limit slide groove 13, so as to drive the clamping plate 12 to clamp the concrete block.

In some technical schemes, the inner side wall of the other side plate 4 is provided with a limit groove 6.

In this kind of technical scheme, the setting of spacing groove 6 can be spacing to the thimble of concrete piece one end.

In some embodiments, the inner side wall of the clamping plate 12 is provided with anti-skid patterns.

In the technical scheme, the anti-skid patterns are arranged, so that the stability of the clamped concrete blocks is high.

In some technical schemes, the four corners of the bottom of the table top 1 are fixed with the supporting legs 2.

In the technical scheme, the supporting legs 2 are arranged, so that the whole supporting device is located at a certain height, and the operation is convenient.

Working principle: when the concrete is subjected to a telescopic test, firstly, a concrete block to be detected is placed on the front side of the table top 1, then the third electric push rod 18 is started to drive the support plate 7 and the lifting plate 11 to move like the front side, then the first electric push rod 10 is started to drive the lifting plate 11 to descend, then the second electric push rod 15 is started to drive the clamping plate 12 to clamp the concrete block, and the symmetrical clamping plates 15 are synchronously clamped, so that the concrete block can be centered compared with the lifting plate 11, the lifting plate 11 is communicated with the concrete block for resetting, then the first electric push rod 10 is started to drive the lifting plate 11 and the concrete block to descend, the thimble at one end of the concrete block is slidably inserted into the limiting groove 6, and the convex block of the concrete block is placed on the surface of the bearing plate 3, and then the dial gauge 5 is utilized for detection.

In addition, the components included in the concrete shrinkage test stand are all universal standard components or components known by a person skilled in the art, the structure and principle of the concrete shrinkage test stand are all known by the person skilled in the art through technical manuals or known by conventional experimental methods, all the electric devices are connected through wires at the idle position of the concrete shrinkage test stand, the electric devices refer to power elements, electric devices and an adaptive monitoring computer and a power supply, the specific connection means should refer to the following working principles, the electric connection is completed through the working sequence among the electric devices, the detailed connection means is known in the art, the following main description of the working principles and processes are provided for the technical field, and the electric control is not described.

Claims

1. The utility model provides a concrete shrinkage test platform, includes mesa (1), its characterized in that: side plates (4) are fixed on two sides of the top of the table top (1), a dial indicator (5) is installed on the outer wall of one side plate (4) in a penetrating mode, and a bearing plate (3) is fixed between the two side plates (4);

a support plate (7) is fixed on one side of the top of the table top (1), a first limit sliding groove (8) is formed in one side wall of the support plate (7), an adaptive first limit sliding block (9) is inserted into an inner cavity of the first limit sliding groove (8), a first electric push rod (10) is fixed on the top of the first limit sliding block (9), the top of the first electric push rod (10) is fixedly connected with the top of the inner cavity of the first limit sliding groove (8), a lifting plate (11) is fixedly connected with the outer wall of the first limit sliding block (9), and clamping plates (12) are respectively installed on four sides of the bottom of the lifting plate (11);

the lifting plate is characterized in that second limiting sliding grooves (13) are formed in four sides of the bottom of the lifting plate (11), second limiting sliding blocks (14) are inserted into the inner cavities of the second limiting sliding grooves (13) in an adapting mode, second electric push rods (15) are fixed on the side walls of the second limiting sliding blocks (14), the outer ends of the second electric push rods (15) are fixedly connected with the inner walls of the second limiting sliding grooves (13), and the bottoms of the second limiting sliding blocks (14) are fixedly connected with corresponding clamping plates (12).

2. A concrete shrinkage test stand according to claim 1, wherein: the top of mesa (1) corresponds extension board (7) department and has seted up third spacing spout (16), the inner chamber of third spacing spout (16) is pegged graft and is had third spacing slider (17) of adaptation, the lateral wall fixedly connected with third electric putter (18) of third spacing slider (17), the outer end of third electric putter (18) and the inner wall fixed connection of third spacing spout (16), the top of third spacing slider (17) and the bottom fixed connection of extension board (7).

3. A concrete shrinkage test stand according to claim 1, wherein: the other side plate (4) is provided with a limit groove (6) on the inner side wall.

4. A concrete shrinkage test stand according to claim 1, wherein: the inner side wall of the clamping plate (12) is provided with anti-skid patterns.

5. A concrete shrinkage test stand according to claim 1, wherein: the four corners of the bottom of the table top (1) are respectively fixed with a supporting leg (2).