CN216013007U - Concrete tensile strength test device - Google Patents
Concrete tensile strength test device Download PDFInfo
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- CN216013007U CN216013007U CN202121220538.5U CN202121220538U CN216013007U CN 216013007 U CN216013007 U CN 216013007U CN 202121220538 U CN202121220538 U CN 202121220538U CN 216013007 U CN216013007 U CN 216013007U
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Abstract
The utility model discloses a concrete tensile strength test device, which comprises a base, wherein a first clamping mechanism and a second clamping mechanism are arranged on the base, the first clamping mechanism comprises a support frame, a first cavity is arranged in a bottom cross frame of the support frame, a first threaded column is coaxially fixed at the upper end of a rotating shaft of the first transmission assembly in the first cavity, a first sliding plate is arranged at the upper end of the first threaded column, a first sliding block is slidably arranged in a first sliding groove of the support frame, the second clamping assembly comprises a sliding support, a second threaded column is coaxially fixed at the upper end of a rotating shaft of the second transmission assembly in the bottom cross frame of the sliding support, a second sliding plate is arranged at the upper end of the second threaded column, the second sliding plate is slidably arranged in a second sliding groove of the sliding support, wheels are arranged below the sliding support, a middle anchor tension measurer is connected to the outer wall of the sliding support, a winding machine is arranged above the base to clamp a concrete sample between the first backing plate and the second backing plate, and starting the winding machine, and recording the maximum tension value borne by the concrete sample when the concrete sample is broken by using the middle anchor tension measurer.
Description
Technical Field
The utility model relates to the technical field of engineering detection equipment, in particular to a concrete tensile strength testing device.
Background
The concrete tensile strength is the axial tensile strength of the concrete, namely the stress value obtained by dividing the maximum load borne by the concrete sample when the concrete sample is broken after being subjected to tension by the sectional area, and is expressed by ftk and has the unit of MPa. With the gradual development of national infrastructure construction, higher requirements are made on the tensile strength of buildings or structures, and more engineering problems involve the tensile strength of concrete, so that the detection of the tensile strength of a concrete sample piece is beneficial to accurately knowing the tensile strength of the buildings or structures.
Therefore, it is necessary to design a concrete tensile strength testing device which is convenient to operate.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a concrete tensile strength testing device which is used for detecting the tensile strength of a concrete sample and has higher accuracy.
In order to achieve the purpose, the utility model provides the following technical scheme:
a concrete tensile strength test device comprises a base fixed on the ground, and a first clamping mechanism and a second clamping mechanism which are arranged on the base;
the first clamping mechanism comprises a L-shaped support frame, a first cavity is arranged in a cross frame at the bottom of the support frame, a first transmission assembly is arranged in the first cavity, the first transmission assembly comprises a first rotating shaft horizontally and rotatably supported on the side wall of the first cavity, a first rotating arm is arranged at the outer end of the first rotating shaft and penetrates through the side wall of the first cavity, a first bevel gear is coaxially fixed at the inner end of the first rotating shaft, a second bevel gear is meshed with the first bevel gear, and a second rotating shaft is coaxially fixed on the second bevel gear; the bottom end of the rotating shaft II is rotatably supported at the bottom of the cavity I through a bearing, the upper end of the rotating shaft II penetrates through the top wall of the cavity I and is coaxially fixed with a threaded column I, a sliding plate I is installed at the upper end of the threaded column I, a threaded hole I matched with the threaded column I is formed in the sliding plate I, the threaded column I is installed in the threaded hole I in a penetrating mode, a 'separation' type sliding block I is arranged on the side wall, opposite to the longitudinal frame of the supporting frame, of the sliding plate I, a vertical sliding groove I matched with the sliding block I is formed in the longitudinal frame of the supporting frame, and the sliding block I is installed in the sliding groove I in a sliding mode;
the clamping mechanism II comprises a 'GerV' type sliding support, a cavity II is arranged in a cross frame at the bottom of the sliding support, a transmission assembly II is arranged in the cavity II, the transmission assembly II comprises a rotating shaft III which is horizontally and rotatably supported on two side walls of the cavity, the outer end of the rotating shaft III penetrates through the side wall of the cavity II to be provided with a rotating arm II, the inner end of the rotating shaft III is coaxially fixed with a bevel gear III, the bevel gear III is meshed with a bevel gear IV, the bevel gear IV is coaxially fixed with a rotating shaft IV, the bottom end of the rotating shaft IV is rotatably supported at the bottom of the cavity II through a bearing, the upper end of the rotating shaft IV penetrates through the top wall of the cavity II to be coaxially fixed with a threaded column II, a sliding plate II is arranged at the upper end of the threaded column II, a threaded hole II matched with the threaded column II is arranged on the sliding plate II, a sliding block II is arranged on the side wall opposite to a longitudinal frame of the sliding support and provided with a '┤' type sliding block II, a vertical sliding groove II which is matched with the sliding block II and has the section of ┤ shape is formed in the longitudinal frame of the sliding support, the sliding block II is slidably installed in the sliding groove II, and wheels are arranged below the sliding support;
the outer wall of the sliding support is provided with a pull ring, the pull ring is connected with a middle anchor tension measurer, a winding machine is arranged on one side, away from the support frame, of the sliding support above the base, the middle anchor tension measurer is wound on the winding machine through a pull rope, a support is arranged on the base between the sliding support and the winding machine, a pulley is arranged on the support, the top of the pulley is flush with the pull ring, and the pull rope bypasses from the periphery of the pulley.
The utility model is further configured to: a sliding rail in the horizontal direction is arranged above the base, and the wheels are slidably mounted in the sliding rail.
The utility model is further configured to: the diameter of the first bevel gear is larger than that of the second bevel gear, and the diameter of the third bevel gear is larger than that of the fourth bevel gear.
The utility model is further configured to: the lower bottom surface of the first sliding plate and the upper surface of the cross frame of the supporting frame are provided with first base plates, and the lower bottom surface of the second sliding plate and the upper surface of the cross frame of the sliding support are provided with second base plates.
In conclusion, the utility model has the following beneficial effects:
the wheels are arranged in the sliding rails in a sliding manner by arranging the sliding rails in the horizontal direction above the base, and the second clamping mechanism slides along the sliding rails in the process of pulling the traction rope, so that the second clamping mechanism is prevented from deviating from the direction in the advancing process;
through making the diameter of bevel gear one be greater than the diameter of bevel gear two, the diameter of bevel gear three is greater than the diameter of bevel gear four, at the in-process of rotating the rocking arm, slide one slides along spout one, and slide two slides along spout two to the gear wheel drives the pinion and rotates, and is more laborsaving when rotating the rocking arm.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is an enlarged view at A;
FIG. 3 is an enlarged view at B;
FIG. 4 is an installation drawing of a first sliding block and a first sliding groove;
fig. 5 is an installation drawing of the second sliding block and the second sliding groove.
Reference numerals: 1. a base; 2. a support frame; 3. a first cavity; 4. a first rotating shaft; 5. a first rotating arm; 6. a first bevel gear; 7. a second bevel gear; 8. a second rotating shaft; 9. a first threaded column; 10. a first sliding plate; 11. a first sliding block; 12. a first sliding chute; 13. a sliding support; 14. a second cavity; 15. a rotating shaft III; 16. a second rotating arm; 17. a third bevel gear; 18. a fourth bevel gear; 19. a rotating shaft IV; 20. a second threaded column; 21. a second sliding plate; 22. a second sliding block; 23. a second chute; 24. a wheel; 25. a pull ring; 26. a middle anchor tension measurer; 27. a winding machine; 28. a support; 29. a pulley; 30. a hauling rope; 31. a slide rail; 32. a first base plate; 33. and a second backing plate.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Example (b): a concrete tensile strength test device is used for detecting the tensile strength of a concrete sample and has high accuracy.
As shown in fig. 1, 2 and 3, the clamping device comprises a base 1 fixed on the ground, a first clamping mechanism and a second clamping mechanism, wherein the first clamping mechanism comprises a L-shaped support frame 2, a first cavity 3 is arranged in a cross frame at the bottom of the support frame 2, a first transmission assembly is arranged in the first cavity 3, the first transmission assembly comprises a first rotating shaft 4 horizontally and rotatably supported on the side wall of the first cavity 3, the outer end of the first rotating shaft 4 penetrates through the side wall of the first cavity 3 and is provided with a first rotating arm 5, the inner end of the first rotating shaft is coaxially fixed with a first bevel gear 6, the first bevel gear 6 is meshed with a second bevel gear 7, the second bevel gear 7 is coaxially fixed with a second rotating shaft 8, the bottom end of the second rotating shaft 8 is rotatably supported at the bottom of the first cavity 3 through a bearing, the top end of the first bevel gear penetrates through the top wall of the first cavity 3 and is coaxially fixed with a first threaded column 9, and a first sliding plate 10 is arranged at the upper end of the first threaded column 9, a first threaded hole matched with the first threaded column 9 is formed in the first sliding plate 10, the first threaded column 9 is arranged in the first threaded hole in a penetrating manner, a first transverse sliding block 11 is arranged on the side wall of the first sliding plate 10 opposite to the longitudinal frame of the support frame 2, a first vertical sliding groove 12 matched with the first sliding block 11 is formed in the longitudinal frame of the support frame 2, the first sliding block 11 is arranged in the first sliding groove 12 in a sliding manner, a second clamping mechanism comprises a second transverse sliding frame 13, a second cavity 14 is formed in a transverse frame at the bottom of the sliding frame 13, a second transmission assembly is arranged in the second cavity 14, the second transmission assembly comprises a third rotating shaft 15 horizontally and rotatably supported on the side wall of the second cavity 14, a second rotating arm 16 is arranged at the outer end of the third rotating shaft 15, a third bevel gear 17 is coaxially fixed at the inner end of the second cavity 14, a fourth bevel gear 18 is meshed with a fourth bevel gear 18, a fourth rotating shaft 19 is coaxially fixed at the fourth bevel gear 18, and the bottom end of the fourth rotating shaft 19 is rotatably supported at the bottom of the second cavity 14 through a bearing, a second threaded column 20 is coaxially fixed at the upper end of the second threaded column 20 through the top wall of the second cavity 14, a second sliding plate 21 is installed at the upper end of the second threaded column 20, a second threaded hole matched with the second threaded column 20 is formed in the second sliding plate 21, a second ┤ -shaped sliding block 22 is arranged on the side wall of the second sliding plate 21 opposite to the longitudinal frame of the sliding support 13, a second vertical sliding groove 23 matched with the second sliding block 22 and provided with a section of a ┤ shape is formed in the longitudinal frame of the sliding support 13, the second sliding block 22 is slidably installed in the second sliding groove 23, a wheel 24 is arranged below the sliding support 13, a pull ring 25 is arranged on the outer wall of the sliding support 13, the pull ring 25 is connected with a middle anchor tension measurer 26, a winding machine 27 is arranged on one side, which is far away from the support frame 2, of the sliding support 13 above the base 1, the middle anchor tension measurer 26 is arranged on the winding machine 27 through a pull rope 30, a bracket 28 is arranged on the base 1 between the sliding bracket 13 and the winding machine 27, a pulley 29 is arranged on the bracket 28, the top of the pulley 29 is flush with the pull ring 25, and the traction rope 30 is wound around the periphery of the pulley 29.
Referring to fig. 3, a horizontal slide rail 31 is provided above the base 1, and the wheel 24 is slidably mounted on the slide rail 31. The second clamping mechanism slides along the direction of the slide rail 31 in the process of pulling the traction rope 30, so that the second clamping mechanism is prevented from deviating from the direction in the process of advancing.
Referring to fig. 2 and 3, the diameter of the first bevel gear 6 is larger than that of the second bevel gear 7, and the diameter of the third bevel gear 17 is larger than that of the fourth bevel gear 18. In the process of rotating the rotating arm, the first sliding plate 10 slides along the first sliding groove 12, the second sliding plate 21 slides along the second sliding groove 23, the gear wheel drives the pinion to rotate, and labor is saved when the rotating arm is rotated. The lower bottom surface of the first sliding plate 10 and the upper surface of the cross frame of the support frame 2 are provided with a first cushion plate 32, and the lower bottom surface of the second sliding plate 21 and the upper surface of the cross frame of the sliding support 13 are provided with a second cushion plate 33.
The working process is as follows: the concrete sample is clamped between a first backing plate 32 and a second backing plate 33, a first rotating arm 5 and a second rotating arm 16 are rotated, the first backing plate 32 and the second backing plate 33 clamp the concrete sample, a winding machine 27 is started to enable a traction rope 30 to pull two pairs of clamping mechanisms, a middle anchor tension measurer 26 measures the tension of the traction rope 30 pulling two clamping mechanisms in real time, when the concrete sample is broken, the middle anchor tension measurer 26 can record the maximum tension value borne by the concrete sample when the concrete sample is broken, the maximum tension value is divided by the sectional area of the concrete sample, the strength of the concrete sample can be obtained, a pulley 29 traction rope 30 at the upper end of a support 28 is supported, and the traction rope 30 between the pulley 29 and the middle anchor tension measurer 26 is parallel to a base 1 to guarantee the accuracy of measured data.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (4)
1. A concrete tensile strength test device is characterized by comprising a base fixed on the ground, and a first clamping mechanism and a second clamping mechanism which are arranged on the base;
the first clamping mechanism comprises a L-shaped support frame, a first cavity is arranged in a cross frame at the bottom of the support frame, a first transmission assembly is arranged in the first cavity, the first transmission assembly comprises a first rotating shaft horizontally and rotatably supported on the side wall of the first cavity, a first rotating arm is arranged at the outer end of the first rotating shaft and penetrates through the side wall of the first cavity, a first bevel gear is coaxially fixed at the inner end of the first rotating shaft, a second bevel gear is meshed with the first bevel gear, and a second rotating shaft is coaxially fixed on the second bevel gear; the bottom end of the rotating shaft II is rotatably supported at the bottom of the cavity I through a bearing, the upper end of the rotating shaft II penetrates through the top wall of the cavity I and is coaxially fixed with a threaded column I, a sliding plate I is installed at the upper end of the threaded column I, a threaded hole I matched with the threaded column I is formed in the sliding plate I, the threaded column I is installed in the threaded hole I in a penetrating mode, a 'separation' type sliding block I is arranged on the side wall, opposite to the longitudinal frame of the supporting frame, of the sliding plate I, a vertical sliding groove I matched with the sliding block I is formed in the longitudinal frame of the supporting frame, and the sliding block I is installed in the sliding groove I in a sliding mode;
the clamping mechanism II comprises a 'GerV' type sliding support, a cavity II is arranged in a cross frame at the bottom of the sliding support, a transmission assembly II is arranged in the cavity II, the transmission assembly II comprises a rotating shaft III which is horizontally and rotatably supported on two side walls of the cavity, the outer end of the rotating shaft III penetrates through the side wall of the cavity II to be provided with a rotating arm II, the inner end of the rotating shaft III is coaxially fixed with a bevel gear III, the bevel gear III is meshed with a bevel gear IV, the bevel gear IV is coaxially fixed with a rotating shaft IV, the bottom end of the rotating shaft IV is rotatably supported at the bottom of the cavity II through a bearing, the upper end of the rotating shaft IV penetrates through the top wall of the cavity II to be coaxially fixed with a threaded column II, a sliding plate II is arranged at the upper end of the threaded column II, a threaded hole II matched with the threaded column II is arranged on the sliding plate II, a sliding block II is arranged on the side wall opposite to a longitudinal frame of the sliding support and provided with a '┤' type sliding block II, a vertical sliding groove II which is matched with the sliding block II and has the section of ┤ shape is formed in the longitudinal frame of the sliding support, the sliding block II is slidably installed in the sliding groove II, and wheels are arranged below the sliding support;
the outer wall of the sliding support is provided with a pull ring, the pull ring is connected with a middle anchor tension measurer, a winding machine is arranged on one side, away from the support frame, of the sliding support above the base, the middle anchor tension measurer is wound on the winding machine through a pull rope, a support is arranged on the base between the sliding support and the winding machine, a pulley is arranged on the support, the top of the pulley is flush with the pull ring, and the pull rope bypasses from the periphery of the pulley.
2. The concrete tensile strength test device of claim 1, wherein a horizontal slide rail is arranged above the base, and the wheels are slidably mounted in the slide rail.
3. The concrete tensile strength testing device of claim 1, wherein the diameter of the first bevel gear is larger than that of the second bevel gear, and the diameter of the third bevel gear is larger than that of the fourth bevel gear.
4. The concrete tensile strength test device of claim 1, wherein a first backing plate is arranged on the lower bottom surface of the first sliding plate and the upper surface of the cross frame of the support frame, and a second backing plate is arranged on the lower bottom surface of the second sliding plate and the upper surface of the cross frame of the sliding support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121220538.5U CN216013007U (en) | 2021-06-02 | 2021-06-02 | Concrete tensile strength test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121220538.5U CN216013007U (en) | 2021-06-02 | 2021-06-02 | Concrete tensile strength test device |
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| Publication Number | Publication Date |
|---|---|
| CN216013007U true CN216013007U (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121220538.5U Active CN216013007U (en) | 2021-06-02 | 2021-06-02 | Concrete tensile strength test device |
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| CN (1) | CN216013007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117589608A (en) * | 2024-01-17 | 2024-02-23 | 浙江国检检测技术股份有限公司 | Anchor bolt tension fatigue testing machine |
-
2021
- 2021-06-02 CN CN202121220538.5U patent/CN216013007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117589608A (en) * | 2024-01-17 | 2024-02-23 | 浙江国检检测技术股份有限公司 | Anchor bolt tension fatigue testing machine |
| CN117589608B (en) * | 2024-01-17 | 2024-04-12 | 浙江国检检测技术股份有限公司 | Anchor bolt tension fatigue testing machine |
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