CN221260655U - Adjusting device for flexural test of concrete prism test piece - Google Patents
Adjusting device for flexural test of concrete prism test piece Download PDFInfo
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- CN221260655U CN221260655U CN202323202690.2U CN202323202690U CN221260655U CN 221260655 U CN221260655 U CN 221260655U CN 202323202690 U CN202323202690 U CN 202323202690U CN 221260655 U CN221260655 U CN 221260655U
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- 238000012360 testing method Methods 0.000 title claims abstract description 103
- 238000005452 bending Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a concrete prism test piece bending test adjusting device, which comprises: clamping and fixing the base, and accurately adjusting the levelness of the test piece, the position bracket and the concrete test piece; the clamping and base accurate adjustment test piece levelness and position bracket comprises a device base and an upper loading stress plate, wherein two lower arc supports are arranged on the device base in a sliding mode, a test piece positioning hoop is connected to the lower arc supports, and a concrete test piece is arranged between the two test piece positioning hoops. The beneficial effects of the utility model are as follows: the horizontal degree and the position bracket of the test piece are accurately adjusted by the clamping and the base, and the bracket is used for adjusting the lower arc-shaped bracket back and forth through the sliding groove, so that the bracket is applicable to concrete test pieces within the conventional length dimension range, the utilization rate of an experimental device is improved, and better economic benefits are achieved.
Description
Technical Field
The utility model relates to a device for adjusting a bending test of a concrete prism test piece, which is mainly suitable for the bending test of concrete.
Background
The concrete is a composite material composed of water, cement, sand and stones, and the flexural strength and the compressive strength of the concrete are mainly applied in engineering design. In concrete experiments, normal concrete flexural strength and compressive strength test blocks are designed and manufactured by adopting an orthogonal test method, and the flexural strength and compressive strength of the concrete are inspected through a static load test.
At present, the concrete flexural strength indoor experiment has a plurality of problems, when the flexural test damage load is loaded, the load is required to be loaded at one third of the concrete test piece, the traditional operation mode is generally that the concrete test piece is firstly marked, then the test piece is placed on a clamp, the clamp position is required to be adjusted repeatedly after the test piece is placed on the clamp, the stress position of the concrete test piece is ensured, and the complicated degree of the concrete flexural test can be obviously increased by the experimental operation mode. Meanwhile, if the test piece loading position is at a preset stress position, errors can be caused to the experimental result.
In view of the above, aiming at a series of problems existing in the current concrete fracture-resistant experiment, it is highly desirable to invent a simple and effective adjusting device for the fracture-resistant experiment of a concrete prism test piece, so as to meet the requirements of improving the experiment simplicity and accuracy.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provides a concrete prism test piece bending test adjusting device.
The adjusting device for the flexural test of the concrete prism test piece comprises a bracket for accurately adjusting the levelness and the position of the test piece and a concrete test piece, wherein the bracket is fixedly arranged on the bracket;
The clamping and base accurate adjustment test piece levelness and position bracket comprises a device base and an upper loading stress plate, wherein two lower arc supports are arranged on the device base in a sliding manner, a test piece positioning hoop is connected to the lower arc supports, and a concrete test piece is arranged between the two test piece positioning hoops;
The bottom of the upper loading stress plate is slidably provided with two upper loading arc plates, the bottom ends of the upper loading arc plates are propped against the upper surface of the concrete test piece, two sides of the upper loading stress plate are respectively connected with an upper baffle plate connecting arc rod, the lower end of the upper baffle plate connecting arc rod is provided with an upper baffle plate, and the two upper baffle plates are respectively attached to two ends of the concrete test piece.
Preferably, both sides on the device base of the clamping and base accurate adjustment test piece levelness and position bracket are provided with lower arc support sliding grooves, lower arc supports are arranged in the lower arc support sliding grooves, front baffles are arranged on opposite sides of the two lower arc supports, and outer baffle supports are arranged on opposite sides of the two lower arc supports.
Preferably, a groove plate placing connecting rod is arranged on the back side of the lower arc-shaped support, a lower positioning plate placing groove plate is arranged on the groove plate placing connecting rod, and a test piece positioning hoop is arranged in a groove of the lower positioning plate placing groove plate.
Preferably, an upper loading arc-shaped plate sliding groove is formed in the bottom of the upper loading stress plate, the upper loading arc-shaped plate slides in the upper loading arc-shaped plate sliding groove, and the two upper loading arc-shaped plates are respectively abutted to two third-length positions of the concrete test piece.
Preferably, the two ends of the upper loading stress plate are provided with arc rod sleeves, an upper baffle plate connecting arc rod is sleeved in the arc rod sleeves in a sliding manner, an arc rod connecting rod is arranged between the two upper baffle plate connecting arc rods, a handheld anti-slip pad is arranged on the baffle plate connecting arc rod, and an upper baffle plate is arranged at the lower part of the upper baffle plate connecting arc rod.
Preferably, the clamping and base accurate adjustment test piece levelness and the position bracket outside are provided with the safety cover, are provided with the safety cover in the safety cover and support the swash plate.
The beneficial effects of the utility model are as follows:
1) The utility model adopts the clamping and base to accurately adjust the levelness and the position bracket of the test piece, and the bracket adjusts the lower arc-shaped bracket back and forth through the chute, so that the bracket is suitable for the concrete test piece with the conventional length and size range, improves the utilization rate of the experimental device, and has better economic benefit.
2) According to the utility model, the loading stress plate is arranged at the top of the concrete test piece, the two upper loading arc plates are arranged at the bottom of the loading stress plate in a sliding manner, and the upper loading arc plates can be adjusted to two one third of the length along with the length of the concrete test piece, so that the device is further suitable for concrete test pieces with different sizes, and the utilization rate of an experimental device is improved.
3) According to the utility model, when the concrete test piece is loaded, the protection cover is arranged on the outer side of the bracket for accurately adjusting the levelness and the position of the test piece through the clamping and base, so that the safety of experiments is improved.
Drawings
FIG. 1 is a three-dimensional block diagram of a bracket and a protective cover for accurately adjusting levelness and position of a test piece by clamping and a base;
FIG. 2 is a three-dimensional structure diagram of the clamping and base for accurately adjusting the levelness of the test piece and the position bracket during experiments;
FIG. 3 is a schematic view of the structure of a clamping and base precise adjustment test piece levelness and position bracket;
FIG. 4 is a schematic diagram of a load-bearing plate structure;
FIG. 5 is an elevation view of a clamping and seating precision adjustment test piece levelness and position bracket;
Fig. 6 is a schematic view of the location of the protective cover.
Wherein: 27. the clamping and base fine adjustment test piece levelness and position bracket 28, lower locating plate rest channel plate 29, rest channel plate connecting rod 30, outer stop 31, lower arc support chute 32, device base 33, upper baffle 34, upper baffle connecting arc rod 35, hand-held cleat 36, loading force plate 37, arc rod connecting rod 38, arc rod sleeve 39, upper loading arc plate 40, test piece locating hoop 41, front baffle 42, lower arc support 43, upper loading arc plate chute 44, concrete test piece 45, protective cover support sloping plate 46, protective cover.
Detailed Description
The utility model is further described below with reference to examples. The following examples are presented only to aid in the understanding of the utility model. It should be noted that it will be apparent to those skilled in the art that modifications can be made to the present utility model without departing from the principles of the utility model, and such modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
As an embodiment, as shown in fig. 1 to 6, the adjusting device for the flexural test of the concrete prism test piece mainly comprises a bracket 27 for accurately adjusting the levelness and position of the test piece by clamping and a base, and an external safety protection device, and mainly comprises a groove plate 28, an outer baffle 30, an upper loading stress plate 36, a protective cover 46 and a concrete test piece 44.
The clamping and base accurate test piece levelness adjustment and position bracket 27 comprises a device base 32 and an upper loading stress plate 36, wherein two lower arc supports 42 are slidably arranged on the device base 32, a test piece positioning hoop 40 is connected to the lower arc supports 42, and a concrete test piece 44 is arranged between the two test piece positioning hoops 40;
The bottom of the upper loading stress plate 36 is slidably provided with two upper loading arc plates 39, the bottom ends of the upper loading arc plates 39 are propped against the upper surface of the concrete test piece 44, the two sides of the upper loading stress plate 36 are respectively connected with an upper baffle connecting arc rod 34, the lower end of the upper baffle connecting arc rod 34 is provided with an upper baffle 33, and the two upper baffles 33 are respectively attached to the two ends of the concrete test piece 44.
Further, the device base 32 of the clamping and base accurate adjustment test piece levelness and position bracket 27 is provided with a lower arc support chute 31, a lower arc support 42 is arranged in the lower arc support chute 31, a front baffle 41 and an outer baffle 30 are respectively arranged in front and back of the lower arc support 42, outer baffles 30 are arranged on opposite sides of the two lower arc supports 42, the arc support 42 slides to the forefront in the lower arc support chute 31 to be applicable to a test piece 150mm multiplied by 550mm, and the arc support 42 slides in the lower arc support chute 31 to be applicable to a test piece 150mm multiplied by 600 mm.
The outer side of the lower arc-shaped support 42 is provided with a groove plate placing connecting rod 29, the groove plate placing connecting rod 29 is provided with a lower positioning plate placing groove plate 28, a test piece positioning hoop 40 is arranged in a groove of the lower positioning plate placing groove plate 28, a concrete test piece 44 is arranged in the test piece positioning hoop 40, and the test piece positioning hoop 40 moves forwards and backwards along with the lower arc-shaped support 42 and is adapted to two different test pieces.
An upper loading arc plate 39 is arranged on the concrete test piece 44, an upper loading arc plate chute 43 of the upper loading arc plate 39 is arranged at the bottom of the upper loading stress plate 36, the loading arc plate 39 slides in the upper loading arc plate chute 43, and the two upper loading arc plates 39 are respectively abutted against the concrete test piece 44, so that the concrete test piece 44 is ensured to be in one third position when being loaded.
The two ends of the upper loading stress plate 36 are provided with arc rod sleeves 38, the arc rod sleeves 38 are sleeved with upper baffle connecting arc rods 34 in a sliding mode, arc rod connecting rods 37 are arranged between the two upper baffle connecting arc rods 34, the lower portions of the upper baffle connecting arc rods 34 are provided with upper baffles 33, and the upper baffles 33 move along with the loading arc plates 39 and are used for positioning concrete test pieces 44.
The clamping and base accurate adjustment test piece levelness and the position bracket 27 outside set up the safety cover 46, set up the safety cover in the safety cover 46 and support swash plate 45.
Claims (6)
1. The device is characterized by comprising a bracket for accurately adjusting levelness and position of a test piece and a concrete test piece, wherein the bracket is used for clamping and fixing a base;
The clamping and base accurate adjustment test piece levelness and position bracket comprises a device base and an upper loading stress plate, wherein two lower arc supports are arranged on the device base in a sliding manner, a test piece positioning hoop is connected to the lower arc supports, and a concrete test piece is arranged between the two test piece positioning hoops;
The bottom of the upper loading stress plate is slidably provided with two upper loading arc plates, the bottom ends of the upper loading arc plates are propped against the upper surface of the concrete test piece, two sides of the upper loading stress plate are respectively connected with an upper baffle plate connecting arc rod, the lower end of the upper baffle plate connecting arc rod is provided with an upper baffle plate, and the two upper baffle plates are respectively attached to two ends of the concrete test piece.
2. The device for adjusting the bending test of the concrete prism test piece according to claim 1, wherein two sides of the device base for clamping and accurately adjusting the levelness and the position bracket of the test piece are respectively provided with a lower arc-shaped supporting chute, a lower arc-shaped supporting chute is arranged in the lower arc-shaped supporting chute, front baffles are arranged on opposite sides of the two lower arc-shaped supporting chute, and outer baffle supports are arranged on opposite sides of the two lower arc-shaped supporting chute.
3. The concrete prism test piece bending test adjusting device according to claim 1, wherein a groove plate placing connecting rod is arranged on the back side of the lower arc-shaped support, a lower positioning plate placing groove plate is arranged on the groove plate placing connecting rod, and a test piece positioning hoop is arranged in a groove of the lower positioning plate placing groove plate.
4. The concrete prism test piece bending test adjusting device according to claim 1, wherein an upper loading arc plate chute is arranged at the bottom of the upper loading stress plate, the upper loading arc plate slides in the upper loading arc plate chute, and the two upper loading arc plates are respectively abutted against two third-length positions of the concrete test piece.
5. The adjusting device for the bending test of the concrete prism test piece according to claim 1, wherein arc rod sleeves are arranged at two ends of the upper loading stress plate, an upper baffle plate connecting arc rod is sleeved in the arc rod sleeves in a sliding mode, an arc rod connecting rod is arranged between the two upper baffle plate connecting arc rods, a handheld anti-slip pad is arranged on the baffle plate connecting arc rod, and an upper baffle plate is arranged at the lower part of the upper baffle plate connecting arc rod.
6. The concrete prism test piece bending test adjusting device according to claim 1, wherein a protective cover is arranged on the outer side of the clamping and base accurate test piece levelness adjusting and position bracket, and a protective cover supporting inclined plate is arranged in the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323202690.2U CN221260655U (en) | 2023-11-24 | 2023-11-24 | Adjusting device for flexural test of concrete prism test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323202690.2U CN221260655U (en) | 2023-11-24 | 2023-11-24 | Adjusting device for flexural test of concrete prism test piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221260655U true CN221260655U (en) | 2024-07-02 |
Family
ID=91657046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323202690.2U Active CN221260655U (en) | 2023-11-24 | 2023-11-24 | Adjusting device for flexural test of concrete prism test piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221260655U (en) |
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2023
- 2023-11-24 CN CN202323202690.2U patent/CN221260655U/en active Active
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