CN219224793U

CN219224793U - Concrete shrinkage and expansion instrument with high detection efficiency

Info

Publication number: CN219224793U
Application number: CN202222601294.6U
Authority: CN
Inventors: 贺红飞; 于文龙; 李松; 曹庄; 张海冬; 张超; 王晓星; 李洋帆
Original assignee: Zhongyi Construction Technology Group Co ltd
Current assignee: Zhongyi Construction Technology Group Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-06-20
Anticipated expiration: 2032-09-30

Abstract

The utility model belongs to the technical field of concrete detection, in particular to a concrete shrinkage and expansion instrument with high detection efficiency, which aims at the problems that most of the existing concrete shrinkage and expansion instruments cannot detect concrete samples with different heights and are inconvenient to carry out expansion and shrinkage measurement on workpieces with different angles during detection; the side plates are two in number and fixedly mounted at the top of the processing box, and through grooves are formed in the left sides of the two side plates. The utility model has reasonable structural design, the two sliding blocks slide up and down, so that the abutting plate and the dial indicator can be suitable for concrete samples with different heights, the application range of the concrete samples is wider, the angle of the processing box is adjusted, the measurement of workpieces with different angles is facilitated, the shrinkage and expansion conditions of the workpieces at different angles can be detected, and the applicability is strong.

Description

Concrete shrinkage and expansion instrument with high detection efficiency

Technical Field

The utility model relates to the technical field of concrete detection, in particular to a concrete shrinkage and expansion instrument with high detection efficiency.

Background

Concrete, abbreviated as "concrete": refers to the collective term for engineering composite materials in which aggregate is consolidated into a whole by a cementitious material. The term concrete generally refers to cement as a cementing material, sand and stone as aggregate; the cement concrete, which is obtained by mixing with water (which can contain additives and admixtures) according to a certain proportion, is also called ordinary concrete, and is widely applied to civil engineering. Meanwhile, the concrete has the characteristics of high compressive strength, good durability, wide strength grade range and the like. The characteristics lead the application range to be very wide, and the concrete is not only used in various civil engineering, namely shipbuilding industry, mechanical industry, ocean development, geothermal engineering and the like, but also is an important material.

The concrete shrinkage and expansion instrument is an instrument for measuring the length (volume) change of a concrete test piece under a specified temperature and humidity condition, but most of the existing concrete shrinkage and expansion instruments cannot detect concrete samples with different heights in use, and cannot detect shrinkage and expansion conditions of the workpieces with different angles in detection, so that the detection efficiency of the concrete samples is reduced, and the application range of the shrinkage and expansion instrument is reduced, and therefore, the concrete shrinkage and expansion instrument with high detection efficiency is provided for solving the problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a concrete shrinkage and expansion instrument with high detection efficiency.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a concrete shrinkage-expansion instrument with high detection efficiency, comprising:

the top of the base is hinged with a processing box;

the side plates are two in number and fixedly mounted at the top of the processing box, and through grooves are formed in the left sides of the two side plates.

Preferably, the sliding connection has the slider in the logical groove, screw hole one has been seted up at the slider top, and screw hole one female connection has screw rod one, screw rod one runs through the curb plate and its swivelling joint.

Preferably, one bottom end of the screw rod penetrates through the processing box and extends to the inside of the processing box, a belt pulley is sleeved on one bottom end of the screw rod, and the two belt pulleys are connected with the same belt in a transmission mode.

Preferably, a rotating shaft is rotatably arranged on the inner wall of the front side of the processing box, a bevel gear I is fixedly sleeved at the rear end of the rotating shaft, a bevel gear II is fixedly sleeved at the bottom end of a screw rod I positioned on the right side, the bevel gear I is meshed with the bevel gear II, a disc I is fixedly arranged at the front end of the rotating shaft, and a round rod I is fixedly arranged at the front side of the disc I.

Preferably, the left side threaded connection of the left side slide block has the screw rod II that runs through the setting, two right-hand member fixed mounting of screw rod has the conflict board, two left end fixed mounting of screw rod has the disc II, two left side fixed mounting of disc have the round bar II, the slide block right side fixed mounting who is located the right side has the percentage table, the percentage table left end runs through the slide block that is located the right side and extends to its left side.

Preferably, two shelves have been placed in the activity of processing case top, and fixed mounting has the standard pole that runs through the setting between two shelves, standard pole left end and conflict board right side looks butt, right-hand member and percentage table left end looks butt.

Preferably, the right side of the base is fixedly provided with a mounting plate, the top of the mounting plate is provided with a second threaded hole, the second threaded hole is internally connected with a third threaded rod, the bottom of the third threaded rod is fixedly provided with a third disc, and the bottom of the third disc is fixedly provided with a third round rod.

Preferably, the telescopic rod is fixedly arranged on the right side of the processing box, the connecting block is fixedly arranged at the right end of the telescopic rod, and the connecting block is in three-thread connection with the screw rod.

Preferably, a limiting plate is fixedly arranged on the inner wall of the right side of the processing box, and the rotating shaft penetrates through the limiting plate.

Preferably, the four corners of the bottom of the base are fixedly provided with supporting legs, and the supporting legs are in an inverted T shape.

According to the concrete shrinkage and expansion instrument with high detection efficiency, the first round rod is rotated to drive the rotating shaft to rotate, so that the first bevel gear is meshed with the second bevel gear to drive the belt pulley on the right side to rotate, the belt pulley on the right side is rotated to drive the belt pulley on the left side to rotate through the belt, the first two screws are driven to rotate, and the two sliding blocks are driven to slide up and down, so that the abutting plate and the dial indicator can be suitable for concrete samples with different heights, the application range of the concrete samples is wider, repeated sampling of the concrete samples is not needed, the concrete samples can be detected conveniently and rapidly, and the detection efficiency of the concrete samples can be improved;

according to the concrete shrinkage and expansion instrument with high detection efficiency, the round rod III is rotated to drive the screw rod III to rotate, so that the connecting block in threaded connection with the round rod III is driven to slide up and down, the telescopic rod stretches or shortens along with the sliding up and down of the connecting block, the angle of the processing box can be adjusted, expansion and shrinkage measurement of workpieces with different angles is facilitated, shrinkage and expansion conditions of the workpieces at different angles can be detected, and the applicability is high;

the utility model has reasonable structural design, and the two sliding blocks slide up and down, so that the abutting plate and the dial indicator can be suitable for concrete samples with different heights, the application range of the concrete samples is wider, repeated sampling of the concrete samples is not needed, the concrete samples can be conveniently and rapidly detected, the detection efficiency of the concrete samples can be further improved, the expansion and contraction measurement of workpieces with different angles can be conveniently carried out by adjusting the angle of the processing box, the contraction and expansion conditions of the workpieces at different angles can be detected, and the applicability is strong.

Drawings

FIG. 1 is a schematic structural view of a concrete shrinkage-expansion instrument with high detection efficiency;

FIG. 2 is a schematic diagram of a three-dimensional structure of a concrete shrinkage-expansion instrument with high detection efficiency;

FIG. 3 is a schematic diagram of the internal three-dimensional structure of a concrete shrinkage-expansion instrument with high detection efficiency;

fig. 4 is a schematic diagram of a portion a of a concrete shrinkage-expansion instrument with high detection efficiency according to the present utility model.

In the figure: 1. a base; 2. a processing box; 3. a side plate; 4. a slide block; 5. a first screw; 6. a belt pulley; 7. a belt; 8. a rotating shaft; 9. bevel gears I; 10. bevel gears II; 11. a first disc; 12. a round rod I; 13. a second screw; 14. a contact plate; 15. a second disc; 16. a round rod II; 17. a dial indicator; 18. a shelf; 19. a standard rod; 20. a mounting plate; 21. a screw III; 22. a third disc; 23. a round rod III; 24. a telescopic rod; 25. a connecting block; 26. a limiting plate; 27. and (5) supporting legs.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 4, a concrete shrinkage-expansion instrument with high detection efficiency, comprising:

the base 1, the top of the base 1 is hinged with a processing box 2;

the curb plate 3, curb plate 3 quantity is two, and curb plate 3 fixed mounting has all seted up logical groove at processing case 2 top, two curb plate 3 left sides.

In the utility model, a sliding block 4 is connected in a sliding way in a through groove, a first threaded hole is formed at the top of the sliding block 4, a first screw rod 5 is connected in the first threaded hole in a threaded way, and the first screw rod 5 penetrates through the side plate 3 and is connected in a rotating way.

In the utility model, the bottom end of a first screw rod 5 penetrates through the processing box 2 and extends into the processing box, a belt pulley 6 is fixedly sleeved at the bottom end of the first screw rod 5, and the two belt pulleys 6 are in transmission connection with the same belt 7.

In the utility model, a rotating shaft 8 is rotatably arranged on the inner wall of the front side of a processing box 2, a bevel gear I9 is fixedly sleeved at the rear end of the rotating shaft 8, a bevel gear II 10 is fixedly sleeved at the bottom end of a screw I5 positioned on the right side, the bevel gear I9 is meshed with the bevel gear II 10, a disc I11 is fixedly arranged at the front end of the rotating shaft 8, and a round rod I12 is fixedly arranged at the front side of the disc I11.

According to the utility model, a screw rod II 13 penetrating through the left side of a slide block 4 positioned at the left side is in threaded connection, a collision plate 14 is fixedly arranged at the right end of the screw rod II 13, a disc II 15 is fixedly arranged at the left end of the screw rod II 13, a round rod II 16 is fixedly arranged at the left side of the disc II 15, a dial indicator 17 is fixedly arranged at the right side of the slide block 4 positioned at the right side, and the left end of the dial indicator 17 penetrates through the slide block 4 positioned at the right side and extends to the left side.

In the utility model, two shelves 18 are movably arranged at the top of the processing box 2, a standard rod 19 which is arranged in a penetrating way is fixedly arranged between the two shelves 18, the left end of the standard rod 19 is abutted against the right side of the abutting plate 14, and the right end is abutted against the left end of the dial indicator 17.

In the utility model, the right side of the base 1 is fixedly provided with a mounting plate 20, the top of the mounting plate 20 is provided with a threaded hole II, the threaded hole II is internally connected with a screw rod III 21 in a threaded manner, the bottom of the screw rod III 21 is fixedly provided with a disc III 22, and the bottom of the disc III 22 is fixedly provided with a round rod III 23.

In the utility model, a telescopic rod 24 is fixedly arranged on the right side of a processing box 2, a connecting block 25 is fixedly arranged at the right end of the telescopic rod 24, and the connecting block 25 is in threaded connection with a screw rod III 21.

In the utility model, a limiting plate 26 is fixedly arranged on the inner wall of the right side of the processing box 2, and the rotating shaft 8 penetrates through the limiting plate 26.

In the utility model, the four corners of the bottom of the base 1 are fixedly provided with the supporting legs 27, and the supporting legs 27 are in an inverted T shape.

In the utility model, when the device is used, the shelf 18 is placed on the base, the initial scale of the dial indicator 17 is adjusted, when a concrete test piece with a certain length is faced, for example, a cylindrical concrete test piece is placed on the top of the processing box 2, then the round rod I12 is rotated to drive the rotating shaft 8 to rotate, so that the bevel gear I9 is meshed with the bevel gear II 10, further the right belt pulley 6 is driven to rotate, the right belt pulley 6 is driven to rotate by the belt 7, further the two screw rods I5 are driven to rotate, further the two sliding blocks 4 are driven to slide up and down, the abutting disc 14 and the dial indicator 17 face the concrete, so that measurement is carried out, when the angle of the processing box 2 is required to be adjusted, the round rod III 23 is rotated, the screw rod III 21 is driven to rotate, the connecting block 25 in threaded connection with the round rod III is driven to slide up and down, the telescopic rod 24 slides up and down along with the connecting block 25 to stretch or shorten, further the angle of the processing box 2 is convenient to carry out expansion and contraction measurement on workpieces with different angles, and the expansion and contraction conditions of workpieces with different angles can be detected.

The concrete shrinkage and expansion instrument with high detection efficiency is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The utility model provides a concrete shrinkage dilatometer that detection efficiency is high which characterized in that includes:

the top of the base is hinged with a processing box;

2. The high-detection-efficiency concrete shrinkage and expansion instrument according to claim 1, wherein a sliding block is slidably connected in the through groove, a first threaded hole is formed in the top of the sliding block, a first screw rod is connected to the first threaded hole in an internal threaded mode, and the first screw rod penetrates through the side plate and is connected in a rotating mode.

3. The high-detection-efficiency concrete shrinkage and expansion instrument according to claim 2, wherein one bottom end of the screw rod penetrates through the processing box and extends into the processing box, a belt pulley is sleeved on one bottom end of the screw rod, and two belt pulleys are connected with the same belt in a transmission manner.

4. The concrete shrinkage and expansion instrument with high detection efficiency according to claim 1 or 2, wherein a rotating shaft is rotatably installed on the inner wall of the front side of the processing box, a bevel gear I is fixedly sleeved at the rear end of the rotating shaft, a bevel gear II is fixedly sleeved at the bottom end of a screw I positioned on the right side, the bevel gear I is meshed with the bevel gear II, a disc I is fixedly installed at the front end of the rotating shaft, and a round rod I is fixedly installed at the front side of the disc I.

5. The concrete shrinkage and expansion instrument with high detection efficiency according to claim 2, wherein a screw rod II which is arranged in a penetrating manner is connected with the left side of the sliding block on the left side in a threaded manner, an abutting plate is fixedly arranged at the right end of the screw rod II, a disc II is fixedly arranged at the left end of the screw rod II, a round rod II is fixedly arranged at the left side of the disc II, a dial indicator is fixedly arranged at the right side of the sliding block on the right side, and the left end of the dial indicator penetrates through the sliding block on the right side and extends to the left side of the sliding block.

6. The concrete shrinkage and expansion instrument with high detection efficiency according to claim 1 or 5, wherein two shelves are movably arranged at the top of the processing box, a standard rod penetrating through the processing box is fixedly arranged between the two shelves, the left end of the standard rod is abutted against the right side of the abutting plate, and the right end of the standard rod is abutted against the left end of the dial indicator.

7. The concrete shrinkage and expansion instrument with high detection efficiency according to claim 1, wherein the mounting plate is fixedly mounted on the right side of the base, the second threaded hole is formed in the top of the mounting plate, the third threaded rod is connected with the second threaded hole in a threaded mode, the third disc is fixedly mounted at the bottom of the third threaded rod, and the third round rod is fixedly mounted at the bottom of the third disc.

8. The high-detection-efficiency concrete shrinkage and expansion instrument according to claim 1 or 7, wherein a telescopic rod is fixedly arranged on the right side of the processing box, a connecting block is fixedly arranged at the right end of the telescopic rod, and the connecting block is in three-thread connection with a screw rod.

9. The high-detection-efficiency concrete shrinkage and expansion instrument according to claim 4, wherein a limiting plate is fixedly arranged on the inner wall of the right side of the processing box, and the rotating shaft penetrates through the limiting plate.

10. The concrete shrinkage and expansion instrument with high detection efficiency according to claim 1, wherein supporting legs are fixedly arranged at four corners of the bottom of the base, and the supporting legs are in an inverted T shape.