CN219416996U - Cement concrete bending test fixture - Google Patents
Cement concrete bending test fixture Download PDFInfo
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- CN219416996U CN219416996U CN202320187993.2U CN202320187993U CN219416996U CN 219416996 U CN219416996 U CN 219416996U CN 202320187993 U CN202320187993 U CN 202320187993U CN 219416996 U CN219416996 U CN 219416996U
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- threaded rod
- cement concrete
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- wall
- seat body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a cement concrete bending test fixture, and relates to the field of concrete bending test machines. The cement concrete bending test fixture comprises a base, wherein an upright post is arranged at the top of the base, a pressing device is arranged on the upright post, and a bearing plate is arranged at the top of the base; a first base. This cement concrete bending test anchor clamps drive first threaded rod through rotating the regulation handle and rotate, and connect the motion state of first gear and second gear through drive chain, make first threaded rod and second threaded rod rotate simultaneously, be convenient for drive a plurality of spacing rollers and remove to the centre simultaneously, be convenient for press from both sides tight restriction to placing the cement concrete test piece on first pedestal and second pedestal, and only need the regulation handle of adjustment one side to drive its simultaneous movement clamp, facilitate the use, be convenient for improve its operating efficiency.
Description
Technical Field
The utility model relates to the technical field of concrete flexural testing machines, in particular to a clamp for a cement concrete flexural test.
Background
Cement concrete is a building material commonly used in the building field, wherein an important index of concrete structure and quality control is the tensile strength of the concrete, and a tensile test and a split tensile test are used as alternative methods for evaluating the tensile property of the concrete.
Chinese patent [ CN212008093U ] discloses a concrete flexural testing machine, and it is through setting up when testing the concrete test piece, place the test piece on two supporting seats, rotate the bidirectional screw of hand wheel control and rotate, and then drive two sliders and press from both sides the test piece between two spacing rollers along spacing groove direction are close to each other, spacing the test piece, the device not only can test the prism test piece but also can test cylindric test piece, has increased the application scope of device, convenience of customers uses, but this patent still has following defect in the practical application in-process:
according to the cement concrete bending test fixture, the cement concrete test piece is placed on the two supporting seats in the using process, the limiting roller is driven to move towards the middle by rotating the hand wheel, the test piece is clamped, the hand wheels on the two supporting seats are required to be respectively adjusted in the operating process, the operating steps are complicated, and the working efficiency is low, so that the cement concrete bending test fixture is provided for solving the problems.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a cement concrete bending test fixture, which solves the problems that in the prior art, a cement concrete test piece is placed on two supporting seats and a limiting roller is driven to move towards the middle by rotating a hand wheel to clamp the test piece, but in the operation process, the hand wheels on the two supporting seats are required to be respectively adjusted, the operation steps are complicated, and the working efficiency is low.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a cement concrete flexural test fixture comprising:
the base is provided with an upright post at the top, a pressing device is arranged on the upright post, and a bearing plate is arranged at the top of the base;
the first seat body is arranged at the top of the bearing plate and internally provided with a limit roller;
the second seat body is arranged at the top of the bearing plate;
the first seat body is internally provided with a first threaded rod, the second seat body is internally provided with a second threaded rod, and the rear parts of the first seat body and the second seat body are provided with a transmission assembly for connecting the motion states of the first threaded rod and the second threaded rod, so that the clamping efficiency of a test piece is conveniently improved;
the transmission assembly comprises a first gear, a second gear and a transmission chain, a first extension column is fixedly arranged at the rear end of the first threaded rod, the first gear is fixedly arranged on the outer wall of the first extension column, a second extension column is fixedly arranged at the rear end of the second threaded rod, the second gear is fixedly arranged on the outer wall of the second extension column, and the first gear and the second gear are meshed and connected with the transmission chain.
Preferably, the first seat body front wall is provided with a round hole, the inner wall of the round hole provided in the first seat body front wall is inserted with an adjusting handle, and the rear end of the adjusting handle penetrates through the round hole provided in the first seat body front wall to extend backwards and is fixedly connected with the front end of the first threaded rod.
Preferably, the adjusting handle outer wall is fixedly provided with a limiting plate, and the limiting plate outer wall is provided with a limiting hole.
Preferably, the fixed box is fixedly installed on the front wall of the first seat body, a limiting column penetrates through and is inserted into the left end of the fixed box, and the right end of the limiting column is clamped in the corresponding limiting hole.
Preferably, a spring strip is fixedly arranged on the left wall of the inner cavity of the fixed box, a push plate is fixedly arranged at the other end of the spring strip, and the push plate is fixedly arranged on the outer wall of the limiting column.
Preferably, a fixed cover is fixedly arranged at the top of the bearing plate, and the fixed cover is covered outside the transmission chain.
The utility model discloses a cement concrete bending test fixture, which has the following beneficial effects:
1. this cement concrete bending test anchor clamps through setting up base, first pedestal, first threaded rod, the second pedestal, the relation of connection of second threaded rod and drive chain for drive first threaded rod through rotating the regulation handle and rotate, and connect the motion state of first gear and second gear through drive chain, make first threaded rod and second threaded rod rotate simultaneously, be convenient for drive a plurality of spacing rollers and remove to the centre simultaneously, be convenient for press from both sides tight restriction to the cement concrete test piece of placing on first pedestal and second pedestal, and only need adjust the regulation handle of one side and drive it and remove simultaneously and press from both sides tightly, facilitate the use, be convenient for improve its operating efficiency.
2. This cement concrete bending test anchor clamps through setting up regulation handle, limiting plate, spacing hole, fixed box and spacing post's relation of connection, and the spacing hole is provided with the multiunit, corresponds different restriction position, and in corresponding spacing hole through spacing post right-hand member joint for restrict the position of limiting plate, make restriction first threaded rod and second threaded rod continue to rotate, thereby fix a position the position of spacing roller, be convenient for press from both sides the cement concrete test piece tightly.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a seat structure according to the present utility model;
FIG. 3 is a schematic view of a spacing column according to the present utility model;
fig. 4 is a schematic view of the structure of the transmission chain of the present utility model.
In the figure: 1. a base; 101. a column; 102. a pressing device; 103. a pressure bearing plate; 2. a first base; 201. a first threaded rod; 202. a first elongate column; 203. a first gear; 204. a limit roller; 205. adjusting the handle; 206. a limiting plate; 207. a limiting hole; 3. a second seat body; 301. a second threaded rod; 302. a second extension column; 303. a second gear; 4. a fixed cover; 401. a drive chain; 5. a fixed box; 501. a limit column; 502. a push plate; 503. spring strips.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
This embodiment of the application is through providing a cement concrete bending test anchor clamps, has solved among the prior art through placing cement concrete test piece on two supporting seats, and drive spacing roller through rotating the hand wheel and remove to the centre, press from both sides tight with this test piece, but in the operation process, need adjust the hand wheel respectively on two bearing, the operation procedure is comparatively loaded down with trivial details, the lower problem of work efficiency, the realization is convenient for drive a plurality of spacing rollers 204 and is removed to the centre simultaneously, be convenient for press from both sides tight restriction to placing the cement concrete test piece on first pedestal 2 and second pedestal 3, and only need adjust the handle 205 of one side and drive it and remove simultaneously and press from both sides tightly, facilitate the use, be convenient for improve its operating efficiency.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Embodiment 1,
The embodiment of the utility model discloses a cement concrete flexural test fixture, which comprises the following components according to the attached figures 1-4:
the base 1, the top of the base 1 is provided with a stand column 101, the stand column 101 is provided with a pressing device 102, and the top of the base 1 is provided with a bearing plate 103;
the first seat body 2, the first seat body 2 is installed at the top of the bearing plate 103, and a limit roller 204 is arranged in the first seat body 2;
the second seat body 3, the second seat body 3 is installed on top of the bearing plate 103, and the above structure is the structure existing in chinese patent CN212008093U, so the present utility model is not described herein;
the first threaded rod 201 is arranged in the first seat body 2, the limit rollers 204 are in threaded connection with the outer wall of the first threaded rod 201, two groups of limit rollers 204 are arranged on the outer wall of the first threaded rod 201, the two groups of limit rollers 204 are opposite in threaded direction, the second threaded rod 301 is arranged in the second seat body 3, and a transmission assembly is arranged behind the first seat body 2 and the second seat body 3 and used for connecting the movement states of the first threaded rod 201 and the second threaded rod 301, so that the clamping efficiency of a cement concrete test piece is improved conveniently;
the transmission assembly comprises a first gear 203, a second gear 303 and a transmission chain 401, wherein the rear end of a first threaded rod 201 is fixedly provided with a first extension column 202, the first gear 203 is fixedly arranged on the outer wall of the first extension column 202, the rear end of a second threaded rod 301 is fixedly provided with a second extension column 302, the second gear 303 is fixedly arranged on the outer wall of the second extension column 302, and the first gear 203 and the second gear 303 are in meshed connection with the transmission chain 401.
The round hole has been seted up to first pedestal 2 front wall, and the round hole inner wall that first pedestal 2 front wall was seted up peg graft has adjustment handle 205, and the round hole that adjustment handle 205 rear end was seted up through first pedestal 2 front wall extends backward and with first threaded rod 201 front end fixed connection, the user adjustment first threaded rod 201 rotates.
Working principle: the user can be through placing the cement concrete test piece on first pedestal 2 and second pedestal 3, at this moment, through pulling spacing post 501 to the left, make spacing post 501 right-hand member break away from spacing hole 207 at this moment, conveniently adjust handle 205 rotation, the user can be through left clockwise rotation adjustment handle 205 and drive first threaded rod 201 and rotate left, drive first extension post 202 through left pivoted first threaded rod 201 and rotate left, make drive first gear 203 rotate left, push drive chain 401 through left pivoted first gear 203 outer wall extrusion, make drive chain 401 drive second gear 303 rotate left, drive second extension post 302 through left pivoted second gear 303 and rotate left, make left pivoted second extension post 302 drive second threaded rod 301 rotate left, make the multiunit spacing roller 204 on first threaded rod 201 and the second threaded rod 301 move to the centre simultaneously, be convenient for press from both sides the tight spacing with the cement concrete test piece, and drive it through adjusting handle 205 that only needs one side and move simultaneously and press from both sides tightly, convenient to use, be convenient for improve its operating efficiency.
Embodiment II,
The embodiment of the utility model discloses a cement concrete flexural test fixture, which comprises the following components according to the attached figures 1-4:
the base 1, the top of the base 1 is provided with a stand column 101, the stand column 101 is provided with a pressing device 102, and the top of the base 1 is provided with a bearing plate 103;
the first seat body 2, the first seat body 2 is installed at the top of the bearing plate 103, and a limit roller 204 is arranged in the first seat body 2;
the second seat body 3, the second seat body 3 is installed on top of the bearing plate 103, and the above structure is the structure existing in chinese patent CN212008093U, so the present utility model is not described herein;
the first threaded rod 201 is arranged in the first seat body 2, the limit rollers 204 are in threaded connection with the outer wall of the first threaded rod 201, two groups of limit rollers 204 are arranged on the outer wall of the first threaded rod 201, the two groups of limit rollers 204 are opposite in threaded direction, the second threaded rod 301 is arranged in the second seat body 3, and a transmission assembly is arranged behind the first seat body 2 and the second seat body 3 and used for connecting the movement states of the first threaded rod 201 and the second threaded rod 301, so that the clamping efficiency of a cement concrete test piece is improved conveniently;
the transmission assembly comprises a first gear 203, a second gear 303 and a transmission chain 401, wherein the rear end of a first threaded rod 201 is fixedly provided with a first extension column 202, the first gear 203 is fixedly arranged on the outer wall of the first extension column 202, the rear end of a second threaded rod 301 is fixedly provided with a second extension column 302, the second gear 303 is fixedly arranged on the outer wall of the second extension column 302, and the first gear 203 and the second gear 303 are in meshed connection with the transmission chain 401.
The limiting plate 206 is fixedly mounted on the outer wall of the adjusting handle 205, the limiting holes 207 are formed in the outer wall of the limiting plate 206, a plurality of groups of limiting holes 207 are formed in the outer wall of the limiting plate, corresponding to different limiting positions, the fixed box 5 is fixedly mounted on the front wall of the first base body 2, the left end of the fixed box 5 is inserted through a limiting column 501, the right end of the limiting column 501 is clamped in the corresponding limiting hole 207, and the limiting column is used for limiting the position of the limiting plate 206, so that the first threaded rod 201 and the second threaded rod 301 are limited to rotate continuously, and the position of the limiting roller 204 is positioned, so that a cement concrete test piece is clamped conveniently.
The left wall of the inner cavity of the fixed box 5 is fixedly provided with a spring bar 503, the other end of the spring bar 503 is fixedly provided with a push plate 502, and the push plate 502 is fixedly arranged on the outer wall of the limit post 501 and used for pushing the limit post 501 to the right so that the limit post 501 is kept in the position state of the limit hole 207 under the non-operation condition.
The top of the bearing plate 103 is fixedly provided with a fixed cover 4, and the fixed cover 4 covers the transmission chain 401 and is used for protecting the structures such as the first gear 203, the second gear 303, the transmission chain 401 and the like.
Working principle: after the limit roller 204 is adjusted to a proper position, the adjustment handle 205 stops rotating, a user can loosen the limit post 501 pulled leftwards, so that the pushing force of the spring bar 503 pushes the push plate 502 rightwards, the push plate 502 moving rightwards drives the limit post 501 to move rightwards, the right end of the limit post 501 is convenient to be inserted into the limit hole 207 at the corresponding position of the adjustment handle 205, the position of the adjustment handle 205 is convenient to be limited, the positions of the first threaded rod 201 and the second threaded rod 301 are limited, the position of the limit roller 204 is convenient to be limited, and the stability of the position of a cement concrete test piece is improved.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A cement concrete flexural test fixture comprising:
the device comprises a base (1), wherein an upright post (101) is arranged at the top of the base (1), a pressing device (102) is arranged on the upright post (101), and a bearing plate (103) is arranged at the top of the base (1);
the first seat body (2), the first seat body (2) is installed at the top of the bearing plate (103), and a limit roller (204) is arranged in the first seat body (2);
the second seat body (3), the said second seat body (3) is installed on top of the bearing plate (103);
the method is characterized in that: a first threaded rod (201) is arranged in the first base body (2), a second threaded rod (301) is arranged in the second base body (3), and a transmission assembly is arranged behind the first base body (2) and the second base body (3) and used for connecting the motion states of the first threaded rod (201) and the second threaded rod (301), so that the test piece clamping efficiency is improved conveniently;
the transmission assembly comprises a first gear (203), a second gear (303) and a transmission chain (401), a first extension column (202) is fixedly arranged at the rear end of a first threaded rod (201), the first gear (203) is fixedly arranged on the outer wall of the first extension column (202), a second extension column (302) is fixedly arranged at the rear end of a second threaded rod (301), the second gear (303) is fixedly arranged on the outer wall of the second extension column (302), and the first gear (203) and the second gear (303) are connected with the transmission chain (401) in a meshed mode.
2. The cement concrete flexural test fixture of claim 1 wherein: the round hole has been seted up to first pedestal (2) front wall, the round hole inner wall that first pedestal (2) front wall was seted up is pegged graft and is had adjustment handle (205), and the round hole that adjustment handle (205) rear end was passed first pedestal (2) front wall and is seted up extends backward and be connected with first threaded rod (201) front end fixed connection.
3. The cement concrete flexural test fixture of claim 2 wherein: the outer wall of the adjusting handle (205) is fixedly provided with a limiting plate (206), and the outer wall of the limiting plate (206) is provided with a limiting hole (207).
4. A cement concrete flexural test fixture as defined in claim 3 wherein: the fixed box (5) is fixedly mounted on the front wall of the first seat body (2), a limiting column (501) is inserted into the left end of the fixed box (5) in a penetrating mode, and the right end of the limiting column (501) is clamped in a corresponding limiting hole (207).
5. The cement concrete flexural test fixture as defined in claim 4 wherein: the left wall of the inner cavity of the fixed box (5) is fixedly provided with a spring strip (503), the other end of the spring strip (503) is fixedly provided with a push plate (502), and the push plate (502) is fixedly arranged on the outer wall of the limit column (501).
6. The cement concrete flexural test fixture of claim 1 wherein: the top of the bearing plate (103) is fixedly provided with a fixed cover (4), and the fixed cover (4) is covered outside the transmission chain (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320187993.2U CN219416996U (en) | 2023-02-09 | 2023-02-09 | Cement concrete bending test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320187993.2U CN219416996U (en) | 2023-02-09 | 2023-02-09 | Cement concrete bending test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219416996U true CN219416996U (en) | 2023-07-25 |
Family
ID=87244022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320187993.2U Active CN219416996U (en) | 2023-02-09 | 2023-02-09 | Cement concrete bending test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219416996U (en) |
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2023
- 2023-02-09 CN CN202320187993.2U patent/CN219416996U/en active Active
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