CN214373955U - Compression testing machine for concrete sample - Google Patents
Compression testing machine for concrete sample Download PDFInfo
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- CN214373955U CN214373955U CN202120435608.2U CN202120435608U CN214373955U CN 214373955 U CN214373955 U CN 214373955U CN 202120435608 U CN202120435608 U CN 202120435608U CN 214373955 U CN214373955 U CN 214373955U
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- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 230000006835 compression Effects 0.000 title claims description 16
- 238000007906 compression Methods 0.000 title claims description 16
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 230000009194 climbing Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000012669 compression test Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
本实用新型公开了一种混凝土试样用抗压试验机，包括机架，还包括液压缸、托架、承压板和两个第一气缸，机架上固定有一竖板，竖板上设置有一能上下移动的水平板，液压缸固定在水平板上，且液压缸的活塞杆上固定有作用于混凝土试样的压板，托架固定在机架上，承压板通过旋转顶升机构固定在托架上，且承压板位于压板的下方，托架的两侧分别固定有安装板，两个第一气缸分别固定在安装板上，且两个第一气缸的活塞杆上分别固定有挤压板，两个挤压板之间形成一用于挤压混凝土试样的挤压空间；优点是便于操作，且能对混凝土试样的轴向抗压强度和径向抗压强度进行检测，增加使用功能，扩大使用范围。
The utility model discloses a compression test machine for concrete samples, which comprises a frame, a hydraulic cylinder, a bracket, a pressure-bearing plate and two first cylinders. A vertical plate is fixed on the frame, and the vertical plate is provided with There is a horizontal plate that can move up and down, the hydraulic cylinder is fixed on the horizontal plate, and the pressure plate acting on the concrete sample is fixed on the piston rod of the hydraulic cylinder, the bracket is fixed on the frame, and the pressure-bearing plate is fixed by the rotating jacking mechanism On the bracket, and the pressure-bearing plate is located below the pressure plate, the two sides of the bracket are respectively fixed with mounting plates, the two first cylinders are respectively fixed on the mounting plates, and the piston rods of the two first cylinders are respectively fixed with Extrusion plate, an extrusion space for extruding concrete samples is formed between two extruding plates; the advantage is that it is easy to operate, and can test the axial compressive strength and radial compressive strength of concrete samples , increase the use function and expand the scope of use.
Description
Technical Field
The utility model relates to a compression testing machine field especially relates to a compression testing machine for concrete sample.
Background
With the improvement of the construction technology level, the country accelerates the promotion of infrastructure engineering construction, and the application of concrete in the building market is more and more, and the requirements on engineering quality and environmental protection are more and more strict. In construction engineering, the performance of concrete is usually tested at regular time by casting a batch of cubic concrete samples with specified size, and extruding the concrete samples by a concrete compression tester until the test blocks are broken, so as to obtain each data value.
For example, there is chinese utility model patent that application number is CN201921313633.2 that has disclosed a concrete compression testing machine, the on-line screen storage device comprises a base, roof-rack and pressure test box, its pressure-sensitive plate and the detection display device interconnect with the inside bracket top surface buckle installation of pressure test box, then on putting into the pressure-sensitive plate of pressure test box inside with the concrete that will carry out the experiment, drive the pressure plate through rotatory screw rod and push down and exert pressure to the concrete to detect the reaction condition under the different pressure of concrete, also can bear pressure limit value to the concrete simultaneously and detect.
However, the above device has the following disadvantages: 1. the pressure plate is driven to press the sample by adopting a rotary screw rod, so that the test is troublesome, the test process is slow, and the applied pressure is limited; 2. when detecting the concrete sample, can only detect the single compressive strength characteristic of concrete sample, compressive strength on the axial direction promptly, service function is single, influences application range, and the people of not being convenient for use.
Disclosure of Invention
In order to solve the not enough of existence among the above-mentioned prior art, the utility model provides a compression testing machine for concrete sample, its operation of being convenient for, and can detect concrete sample's axial compressive strength and radial compressive strength, increase service function, enlarge application range.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a compression testing machine for concrete samples comprises a frame, a hydraulic cylinder, a bracket, a bearing plate and two first cylinders, a vertical plate is fixed on the machine frame, a horizontal plate capable of moving up and down is arranged on the vertical plate, the hydraulic cylinder is fixed on the horizontal plate, a pressure plate acting on a concrete sample is fixed on a piston rod of the hydraulic cylinder, the bracket is fixed on the rack, the bearing plate is fixed on the bracket through a rotary jacking mechanism, the pressure bearing plate is positioned below the pressure plate, mounting plates are respectively fixed on two sides of the bracket, two first cylinders are respectively fixed on the mounting plates, and the piston rods of the two first cylinders are respectively fixed with a squeezing plate, and a squeezing space for squeezing a concrete sample is formed between the two squeezing plates.
The upper end of horizontal plate be fixed with one with horizontal plate looks vertically deflector, the deflector with the riser between be provided with the direction subassembly, the lower extreme of horizontal plate be provided with two crossbeams, the riser on be provided with two confessions the crossbeam removal groove that reciprocates, two the crossbeam between still be connected with the board of lifting, the frame on be provided with the cylinder of lifting, the cylinder of lifting the piston rod with the board of lifting fixed mutually. In this structure, the setting of direction subassembly does benefit to the deflector and smoothly moves, and the setting of shifting chute is used for supplying the crossbeam to reciprocate, and the board of lifting is connected between two crossbeams, has strengthened the connection between two crossbeams on the one hand, and on the other hand lifts the board through the drive of lift cylinder and reciprocates to it reciprocates to drive the horizontal plate.
The guide assembly comprises a sliding block fixed on the guide plate and a guide rail fixed on the vertical plate, and the sliding block is arranged on the guide rail in a sliding manner. Its benefit lies in being convenient for the horizontal plate on the one hand and smoothly moves from top to bottom, and on the other hand plays the guide effect to the displacement of horizontal plate, is difficult for the skew.
The rotary jacking mechanism comprises a base plate, a second cylinder and two third cylinders, the bearing plate is rotatably arranged on the base plate through a rotating shaft, the second cylinder is fixed on the base plate, piston rods of the second cylinder are arranged between the rotating shaft and used for driving the rotating shaft to rotate a linkage assembly, the third cylinders are fixed on the bracket at intervals, and the piston rods of the third cylinders are fixed at the lower ends of the bearing plate. In this structure, the rotatable setting of bearing plate is on the base plate, and it is rotatory that the second cylinder drives the pivot through the linkage subassembly to realize the rotation of bearing plate, drive the rotation of sample with this, in order to carry out more comprehensive test, two third cylinder intervals are fixed on the bracket, and the third cylinder during operation drives the bearing plate and reciprocates, carries out the fine setting of height to placing the sample on the bearing plate.
The linkage assembly comprises a gear and a rack meshed with the gear, the gear is fixed at the lower end of the rotating shaft, and the rack is horizontally connected to the piston rod of the second cylinder. In the structure, the second cylinder drives the gear to horizontally displace when working, so as to drive the gear to rotate, the rotation of the gear can drive the rotating shaft which is coaxially fixed with the gear to synchronously rotate, and finally the rotation of the bearing plate is realized.
A plurality of guide wheel seats are uniformly fixed on the upper end of the base plate in the circumferential direction, a rotatable rotating wheel is arranged in each guide wheel seat, and the wheel face of each rotating wheel is in contact with the lower end of the bearing plate. In the structure, the arrangement of the rotating wheel is beneficial to smooth rotation of the bearing plate on one hand, and also plays a certain supporting role for the bearing plate on the other hand.
The frame still be provided with a transparent safety cover, transparent safety cover close the outside of bearing plate. This has the advantage of preventing splashing of the sample.
Compared with the prior art, the utility model has the advantages of: the horizontal plate can move up and down and is arranged on the vertical plate, so that the height of the hydraulic cylinder can be conveniently adjusted, and the hydraulic cylinder is suitable for concrete samples with different sizes; the pressing plate is connected to a piston rod of the hydraulic cylinder and is used for contacting with a concrete sample; the bearing plate is used for placing a concrete sample; the rotary jacking mechanism is used for driving the bearing plate to move up and down and the bearing plate to rotate, so that the concrete sample is driven to move up and down and rotate, and more comprehensive testing can be conveniently carried out; two first cylinders act on the concrete sample from the side, are convenient for on the one hand to detect the axial compressive strength and the radial compressive strength of concrete sample, increase the service function, and on the other hand can play the spacing effect of centre gripping to the concrete sample, avoids taking place the skew phenomenon at pneumatic cylinder during operation.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic perspective view of a rotary jacking mechanism of the present invention;
fig. 3 is a schematic view of the three-dimensional structure of the middle rotary jacking mechanism in the disassembled state.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples, but the present invention is not limited thereto.
Example (b): as shown in the figure, a compression testing machine for concrete sample, which comprises a frame 1, still include pneumatic cylinder 2, bracket 3, bearing plate 4 and two first pneumatic cylinders 5, be fixed with a riser 11 in the frame 1, be provided with a horizontal plate 12 that can reciprocate on the riser 11, pneumatic cylinder 2 fixes on horizontal plate 12, and be fixed with the clamp plate 21 that acts on the concrete sample on the piston rod of pneumatic cylinder 2, bracket 3 fixes in frame 1, bearing plate 4 fixes on bracket 3 through rotatory climbing mechanism 6, and bearing plate 4 is located the below of clamp plate 21, the both sides of bracket 3 are fixed with mounting panel 31 respectively, two first pneumatic cylinders 5 are fixed respectively on mounting panel 31, and be fixed with stripper plate 51 respectively on the piston rod of two first pneumatic cylinders 5, form an extrusion space that is used for extruding the concrete sample between two stripper plates 51.
The upper end of horizontal plate 12 is fixed with one and is equipped with a deflector 13 perpendicular to horizontal plate 12 mutually, is provided with direction subassembly 7 between deflector 13 and the riser 11, and the lower extreme of horizontal plate 12 is provided with two crossbeams 14, is provided with two shifting chutes 15 that supply crossbeam 14 to reciprocate on the riser 11, still is connected with between two crossbeams 14 and lifts board 16, is provided with lifting cylinder 17 on the frame 1, and lifting cylinder 17's piston rod is fixed mutually with lifting board 16. In this structure, the setting of direction subassembly 7 does benefit to deflector 13 and smoothly moves, and the setting of shifting chute 15 is used for supplying crossbeam 14 to reciprocate, and lift board 16 is connected between two crossbeams 14, has strengthened the connection between two crossbeams 14 on the one hand, and on the other hand drives through lifting cylinder 17 and lifts board 16 and reciprocate to drive horizontal plate 12 and reciprocate.
The guide assembly 7 comprises a slide block 71 fixed on the guide plate 13 and a guide rail 72 fixed on the vertical plate 11, and the slide block 71 is arranged on the guide rail 72 in a sliding way. The horizontal plate 12 has the advantages that on one hand, the horizontal plate 12 can move up and down smoothly, and on the other hand, the horizontal plate 12 plays a role in guiding the displacement and is not easy to deviate.
The rotary jacking mechanism 6 comprises a base plate 61, a second air cylinder 62 and two third air cylinders 63, the bearing plate 4 is rotatably arranged on the base plate 61 through a rotating shaft 41, the second air cylinder 62 is fixed on the base plate 61, a linkage assembly 64 used for driving the rotating shaft 41 to rotate is arranged between a piston rod of the second air cylinder 62 and the rotating shaft 41, the two third air cylinders 63 are fixed on the bracket 3 at intervals, and piston rods of the two third air cylinders 63 are fixed at the lower end of the bearing plate 4. In this structure, the rotatable setting of bearing plate 4 is on base plate 61, and second cylinder 62 drives pivot 41 rotatoryly through linkage assembly 64 to realize the rotation of bearing plate 4, drive the rotation of sample with this, in order to carry out more comprehensive test, two third cylinders 63 intervals are fixed on bracket 3, and third cylinder 63 during operation drives bearing plate 4 and reciprocates, in order to carry out the fine setting of height to placing the sample on bearing plate 4.
The linkage assembly 64 includes a gear 65 and a rack 66 engaged with the gear 65, the gear 65 is fixed on the lower end of the rotating shaft 41, and the rack 66 is horizontally connected to the piston rod of the second cylinder 62. In this structure, the second cylinder 62 during operation drives gear 65 horizontal displacement to drive gear 65's rotation, gear 65's rotation can drive rather than coaxial fixed pivot 41 synchronous rotation, finally realizes the rotation of bearing plate 4.
A plurality of guide wheel seats 67 are uniformly fixed on the upper end of the base plate 61 in the circumferential direction, a rotatable rotating wheel 68 is arranged in each guide wheel seat 67, and the wheel surface of the rotating wheel 68 is in contact with the lower end of the pressure-bearing plate 4. In this structure, the rotation wheel 68 is provided to facilitate smooth rotation of the bearing plate 4, and to support the bearing plate 4.
The frame 1 is further provided with a transparent protective cover 18, and the transparent protective cover 18 covers the outer side of the bearing plate 4. This has the advantage of preventing splashing of the sample.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and the present invention can also be modified in materials and structures, or replaced by technical equivalents. Therefore, all structural equivalents which may be made by applying the present invention to the specification and drawings, or by applying them directly or indirectly to other related technical fields, are intended to be encompassed by the present invention.
Claims (7)
1. The utility model provides a compression testing machine for concrete sample, includes the frame, its characterized in that: still include pneumatic cylinder, bracket, bearing plate and two first cylinders, the frame on be fixed with a riser, the riser on be provided with a horizontal plate that can reciprocate, the pneumatic cylinder fix the horizontal plate on, just the piston rod of pneumatic cylinder on be fixed with the clamp plate that acts on the concrete sample, the bracket fix the frame on, the bearing plate fix through rotatory climbing mechanism the bracket on, just the bearing plate be located the below of clamp plate, the both sides of bracket be fixed with the mounting panel respectively, two first cylinders fix respectively the mounting panel on, and two the piston rod of first cylinder on be fixed with the stripper plate respectively, two the stripper plate between form an extrusion space that is used for extrudeing the concrete sample.
2. The compression tester for the concrete sample according to claim 1, wherein: the upper end of horizontal plate be fixed with one with horizontal plate looks vertically deflector, the deflector with the riser between be provided with the direction subassembly, the lower extreme of horizontal plate be provided with two crossbeams, the riser on be provided with two confessions the crossbeam removal groove that reciprocates, two the crossbeam between still be connected with the board of lifting, the frame on be provided with the cylinder of lifting, the cylinder of lifting the piston rod with the board of lifting fixed mutually.
3. The compression tester for the concrete sample according to claim 2, wherein: the guide assembly comprises a sliding block fixed on the guide plate and a guide rail fixed on the vertical plate, and the sliding block is arranged on the guide rail in a sliding manner.
4. The compression tester for the concrete sample according to claim 1, wherein: the rotary jacking mechanism comprises a base plate, a second cylinder and two third cylinders, the bearing plate is rotatably arranged on the base plate through a rotating shaft, the second cylinder is fixed on the base plate, piston rods of the second cylinder are arranged between the rotating shaft and used for driving the rotating shaft to rotate a linkage assembly, the third cylinders are fixed on the bracket at intervals, and the piston rods of the third cylinders are fixed at the lower ends of the bearing plate.
5. The compression tester for the concrete sample according to claim 4, wherein: the linkage assembly comprises a gear and a rack meshed with the gear, the gear is fixed at the lower end of the rotating shaft, and the rack is horizontally connected to the piston rod of the second cylinder.
6. The compression tester for the concrete sample according to claim 4, wherein: a plurality of guide wheel seats are uniformly fixed on the upper end of the base plate in the circumferential direction, a rotatable rotating wheel is arranged in each guide wheel seat, and the wheel face of each rotating wheel is in contact with the lower end of the bearing plate.
7. The compression tester for the concrete sample according to claim 1, wherein: the frame still be provided with a transparent safety cover, transparent safety cover close the outside of bearing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120435608.2U CN214373955U (en) | 2021-02-26 | 2021-02-26 | Compression testing machine for concrete sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120435608.2U CN214373955U (en) | 2021-02-26 | 2021-02-26 | Compression testing machine for concrete sample |
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| Publication Number | Publication Date |
|---|---|
| CN214373955U true CN214373955U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120435608.2U Expired - Fee Related CN214373955U (en) | 2021-02-26 | 2021-02-26 | Compression testing machine for concrete sample |
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| Country | Link |
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| CN (1) | CN214373955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119715105A (en) * | 2025-02-28 | 2025-03-28 | 淄博市恒久电气有限公司 | Power capacitor detection device |
-
2021
- 2021-02-26 CN CN202120435608.2U patent/CN214373955U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119715105A (en) * | 2025-02-28 | 2025-03-28 | 淄博市恒久电气有限公司 | Power capacitor detection device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |
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| CF01 | Termination of patent right due to non-payment of annual fee |