CN211877594U - Pavement material strength tester - Google Patents
Pavement material strength tester Download PDFInfo
- Publication number
- CN211877594U CN211877594U CN202020429557.8U CN202020429557U CN211877594U CN 211877594 U CN211877594 U CN 211877594U CN 202020429557 U CN202020429557 U CN 202020429557U CN 211877594 U CN211877594 U CN 211877594U
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- Prior art keywords
- rod
- plate
- rotating
- bearing
- circular plate
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- 239000000463 material Substances 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000008602 contraction Effects 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 5
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000010405 clearance mechanism Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000203 mixture Substances 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 pavement material strength tester, which comprises a workbench, a circular bearing disc arranged on the workbench, a lifting plate positioned above the bearing disc, a pressure applying disc arranged below the lifting plate, a pressure detecting mechanism arranged between the lifting plate and the pressure applying disc, and a lifting mechanism arranged on the workbench and used for driving the lifting plate to move up and down, wherein a plurality of chutes with the same radius direction as the bearing disc are arranged on the bearing disc, and each chute is internally and slidably connected with a clamping rod used for clamping a pavement test block; the bearing plate is provided with a contraction mechanism which drives the plurality of clamping rods to gather towards the circle center of the bearing plate. This scheme can carry out the centre gripping locking to the test block on bearing the dish, has effectively avoided the test block from bearing the condition that the dish fell down, has guaranteed the normal test of test block.
Description
Technical Field
The utility model belongs to the technical field of the technique that the road surface material detected and specifically relates to a road surface material strength test appearance is related to.
Background
The strength tester for pavement materials is a pavement material tester, and can be used for testing the compressive strength, bending strength, splitting and the like of pavement materials such as asphalt mixtures and the like.
If the publication number is CN 206740510U's patent, this patent provides a road surface material strength test appearance, aim at providing one kind and have and can clear up sweeps and dust, reduce the road surface material strength test appearance to the advantage of operational environment and the healthy influence of operating personnel, its technical scheme main points are, the workstation has seted up the chip collecting groove towards bearing the one side of dish, is equipped with the clearance mechanism that is used for collecting and clearing up dust, sweeps in the workstation, clearance mechanism and chip collecting groove intercommunication, clearance mechanism includes the suction fan, loop through the pipeline intercommunication between chip collecting groove and the suction fan and have chip removing district and water dust removing district, the chip removing district internal fixation has the filter screen.
Although the pavement material strength tester improves the cleaning effect of the working table, the pavement test block is only placed on the bearing plate, the bearing plate is not provided with a clamp for locking the position of the test block, and after the pressing plate is contacted with the test block, the test block easily falls off from the bearing plate due to uneven stress on the top, so that the normal test of the test block is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pavement material strength test appearance can carry out the position locking to the test block that bears on the dish, avoids the test block from bearing the condition that falls down on the dish, has guaranteed the normal test of test block.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a pavement material strength tester comprises a workbench, a circular bearing disc arranged on the workbench, a lifting plate positioned above the bearing disc, a pressure applying disc arranged below the lifting plate, a pressure detecting mechanism arranged between the lifting plate and the pressure applying disc, and a lifting mechanism arranged on the workbench and used for driving the lifting plate to move up and down, wherein a plurality of sliding grooves in the same radial direction as the bearing disc are formed in the bearing disc, and clamping rods used for clamping pavement test blocks are connected in each sliding groove in a sliding manner; the bearing plate is provided with a contraction mechanism which drives the plurality of clamping rods to gather towards the circle center of the bearing plate.
Through adopting above-mentioned technical scheme, when needs are tested the test block, the operator at first orders about many supporting rods and takes place to remove towards the centre of a circle of keeping away from the bearing plate, puts the test block in the centre of a circle of bearing the dish again, and shrink mechanism will order about many supporting rods and take place to gather together towards the centre of a circle of bearing the dish simultaneously, and many supporting rods just can carry the test block, at last alright carry out the relevant experiment of test block. Compared with the prior art, the test block clamping device has the advantages that the test block on the bearing plate can be clamped and locked through the arrangement of the sliding groove, the clamping rods and the contraction mechanism, the condition that the test block falls off from the bearing plate is effectively avoided, and the normal test of the test block is guaranteed.
The utility model discloses further set up to: the contraction mechanism comprises a rotating circular plate which is rotatably embedded in the bearing disc and is coaxial with the bearing disc, and a guide groove which is formed in the rotating circular plate and used for driving the clamping rod to slide along the sliding groove, wherein one end of the guide groove is close to the circle center of the rotating circular plate, the other end of the guide groove is far away from the circle center of the rotating circular plate, and the two ends of the guide groove are not in the same radius direction of the rotating circular plate; the contraction mechanism further comprises a volute spring for driving the rotating circular plate to rotate so as to enable the clamping rods to be gathered together at the same time, and the condition that the test block falls off from the bearing disc is effectively avoided.
Through adopting above-mentioned technical scheme, when the operator ordered about one of them supporting rod and moved towards keeping away from the centre of a circle that bears the dish, the position of supporting rod in the guide way changed, and the supporting rod will drive and rotate the plectane and take place rotatoryly, and remaining guide way just can order about all the other many supporting rods and take place to move towards keeping away from the centre of a circle that bears the dish simultaneously, and many supporting rods open simultaneously promptly, and the vortex spring is stretched out. After the test block is put on the bearing plate, the rotating circular plate rotates again under the resilience force action of the volute spring to reset, the guide grooves on the rotating circular plate can drive the clamping rods to fold in, and the test block can be clamped by the clamping rods, so that the condition that the test block falls off from the bearing plate is effectively avoided. In addition, the clamping rod is clamped by the volute spring to have buffering capacity to a certain degree, the probability of damage caused by rigid contact among all parts in the test process is effectively reduced, and the device can be protected to a certain degree.
The utility model discloses further set up to: a rotating rod is fixedly connected to the rotating circular plate, and one section of the rotating rod, which is far away from the rotating circular plate, penetrates through the side wall of the bearing plate; the bearing plate is provided with a rotating groove for the rotating rod to rotate.
Through adopting above-mentioned technical scheme, the operator pulling rotates the dwang in the inslot, rotates the plectane and just can take place rotatoryly round the axis of self, and then orders about many supporting rods and takes place to remove towards the centre of a circle of keeping away from the carrier plate simultaneously. The arrangement of the rotating groove and the rotating rod provides convenience for an operator to open the plurality of clamping rods.
The utility model discloses further set up to: the rotating rod comprises an outer rod fixedly connected to the rotating circular plate and an inner rod embedded in the outer rod in a sliding manner; the outer rod is provided with a locking mechanism for abutting and positioning the inner rod.
Through adopting above-mentioned technical scheme, behind the inside interior pole of outer pole of operator slip, the whole length of dwang just can change to the arm of force when having changed the operator rotation and rotating the plectane makes the rotatory process of rotating the plectane laborsaving and nimble more, after interior pole slides to suitable position department, the operator supports tightly the location through locking mechanical system to the position of interior pole again can.
The utility model discloses further set up to: the locking mechanism comprises a threaded hole which is formed in the outer rod and communicated with the inner side wall and the outer side wall of the outer rod, and a bolt which is connected to the threaded hole in a threaded manner and used for abutting against the side wall of the inner rod.
Through adopting above-mentioned technical scheme, after interior pole slided to suitable position on, the operator rotated the bolt on the screw hole and made it support the lateral wall of tight interior pole, and the position of interior pole just can be locked, and locking mechanical system's structural principle is simple, and is very convenient in the operation. When the inner rod needs to slide again, an operator can unscrew the bolt, and the operation is very convenient.
The utility model discloses further set up to: the shape of the guide groove is arc-shaped.
By adopting the technical scheme, the arc-shaped guide groove can reduce the probability of clamping the clamping rods and the guide groove, the clamping rods slide more smoothly, and meanwhile, the process of rotating the circular plate by an operator is more labor-saving.
The utility model discloses further set up to: the clamping rod is rotatably sleeved with a rotary drum abutted against the inner side wall of the guide groove.
Through adopting above-mentioned technical scheme, the rotary drum can become the running friction of rotary drum with the sliding friction that the supporting rod produced with the guide way contact, has reduced the resistance that receives when the supporting rod removes to a certain extent, makes the slip of supporting rod more smoothly soft.
The utility model discloses further set up to: one end of the rotating rod, far away from the rotating circular plate, is fixedly connected with a grasping ball.
Through adopting above-mentioned technical scheme, grab and hold the ball and provide a fine application of force position for operator's pulling dwang, not only made things convenient for operator's pulling dwang, the comfort level of hand when still having improved operator's pulling dwang.
To sum up, the utility model discloses a beneficial technological effect does:
1. the arrangement of the sliding chute, the clamping rod and the contraction mechanism effectively avoids the situation that the test block falls off from the bearing plate, and ensures the normal test of the test block;
2. the arrangement of the outer rod, the inner rod and the locking mechanism can lead the process of rotating the circular plate by an operator to be more labor-saving and flexible;
3. the arc-shaped guide groove not only reduces the probability of clamping the clamping rod and the guide groove, but also saves more labor in the process of rotating the circular plate by an operator;
4. the arrangement of the grasping ball not only facilitates the pulling of the rotating rod by an operator, but also improves the comfort level of hands when the operator pulls the rotating rod.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic sectional view of the tray of the present invention.
In the figure, 1, a workbench; 2. a carrier tray; 3. a lifting plate; 4. pressing a disc; 5. a pressure detection mechanism; 51. a pressure-bearing ring; 52. a dial indicator; 6. a screw rod; 7. a gear; 8. a crawler belt; 9. a motor; 10. a chute; 11. a clamping rod; 12. rotating the circular plate; 13. a guide groove; 14. rotating the rod; 141. an outer rod; 142. an inner rod; 15. grasping the ball; 16. a rotating groove; 17. a volute spring; 18. a rotating drum; 19. a threaded hole; 20. and (4) bolts.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a pavement material strength tester comprises a workbench 1, a circular bearing disc 2 fixedly connected to the upper surface of the workbench 1 and used for placing test blocks, a lifting plate 3 positioned right above the circular bearing disc 2, a pressure applying disc 4 installed below the lifting plate 3 and right facing the bearing disc 2, a pressure detecting mechanism 5 installed between the lifting plate 3 and the pressure applying disc 4, and two lead screws 6 erected on the workbench 1, wherein the two lead screws 6 penetrate through the lifting plate 3 and are in threaded fit with the lifting plate 3; the utility model provides a pavement material strength test appearance, still includes fixed cover and establishes the gear 7 at lead screw 6 lower extreme, rotates the track 8 that the cover was established between two gears 7 to and install and be used for driving the rotatory motor 9 of one of them lead screw 6 on workstation 1, motor 9 passes through the electric wire and is connected with the power. The screw 6, the gear 7, the caterpillar band 8 and the motor 9 form a lifting mechanism for driving the lifting plate 3 to move up and down. After the test block is placed on the bearing plate 2, an operator starts the motor 9, under the linkage action of the gear 7, the caterpillar band 8 and the motor 9, the two screw rods 6 can synchronously rotate in the same direction, the lifting plate 3, the pressure detection mechanism 5 and the pressure application plate 4 can move towards the test block, the test block is finally clamped between the pressure application plate 4 and the bearing plate 2, the pressure application plate 4 continues to apply pressure to the test block, and when the test block cracks, the pressure value detected by the pressure detection mechanism 5 is the critical value of the compression strength of the test block.
The pressure detection mechanism 5 comprises a pressure-bearing ring 51 fixedly connected to the lifting plate 3 and a dial indicator 52 installed in the pressure-bearing ring 51 and used for detecting the deformation of the pressure-bearing ring 51. The pressure applying disc 4 can cause the pressure bearing ring 51 to deform after being pressed, and an operator can know the compressive strength of the pavement material by reading out deformation data through the dial indicator 52 and converting the data.
Referring to fig. 2, four sliding grooves 10 communicating the upper and lower surfaces of the carrier 2 are formed in the carrier 2, the four sliding grooves 10 are distributed on the carrier 2 at equal angular intervals, and the length direction of each sliding groove 10 is the same as the radius direction of the carrier 2. Vertical clamping rods 11 for clamping test blocks are connected in each sliding groove 10 in a sliding mode, and the distances from the four clamping rods 11 to the circle center of the bearing plate 2 are kept the same. A circular rotating circular plate 12 is rotatably embedded in the bearing disc 2, and the central axis of the rotating circular plate 12 coincides with the central axis of the bearing disc 2. The rotating circular plate 12 is provided with four arc-shaped guide grooves 13 for embedding the lower ends of the clamping rods 11, the four guide grooves 13 are distributed on the rotating circular plate 12 at equal angular intervals, the positions of the four guide grooves 13 correspond to the positions of the four sliding grooves 10 one by one, one end of each guide groove 13 is close to the circle center of the rotating circular plate 12, the other end of each guide groove 13 is far away from the circle center of the rotating circular plate 12, and the two ends of each guide groove 13 are not in the same radius direction of the rotating circular plate 12. A rotating rod 14 in a horizontal state is fixedly connected to the rotating circular plate 12, one end of the rotating rod 14, which is far away from the rotating circular plate 12, penetrates through the side wall of the bearing disc 2 and is fixedly connected with a spherical grasping ball 15, and a rotating groove 16 for the rotating rod 14 to rotate around the central axis of the rotating circular plate 12 is formed in the bearing disc 2. The interior of the carrier plate 2 is also provided with a volute spring 17 for driving the rotating circular plate 12 to rotate so as to simultaneously gather the four clamping rods 11. Wherein the rotating circular plate 12, the guide groove 13 and the volute spring 17 constitute a contraction mechanism for driving the four clamping rods 11 to gather towards the center of the circle of the carrier tray 2. When the position locking is carried out to the test block to needs, the operator rotates rotation plectane 12 through pulling dwang 14, volute spring 17 is stretched out, four guide way 13 on the rotation plectane 12 will drive four holding rod 11 and expand outwards in step, the test block alright successfully be put in the centre of a circle of tray 2, the dwang 14 in the hand is opened to the operator immediately, rotation plectane 12 will take place the rotation again under volute spring 17's resilience effect and reset, the guide way 13 on the rotation plectane 12 just can order about four holding rod 11 and draw in simultaneously and finally carry the test block, thereby effectively avoided the condition that the test block fell down from tray 2.
The lower extreme of centre gripping pole 11 rotates the cover and is equipped with rotary drum 18, and rotary drum 18 is located the guide way 13 that corresponds, and the lateral wall of rotary drum 18 and the inside wall butt of guide way 13. The drum 18 can reduce the resistance of the clamping rod 11 during movement, so that the clamping rod 11 can move more smoothly.
The rotating lever 14 includes an outer lever 141 having a circular cross section and fixedly connected to a side wall of the rotating disk 12, and an inner lever 142 slidably attached to an inside of the outer lever 141, and the grip ball 15 is fixedly connected to an end of the inner lever 142 away from the outer lever 141. One end of the outer rod 141 close to the inner rod 142 is provided with a threaded hole 19 communicated with the inner side wall and the outer side wall of the outer rod 141, and the threaded hole 19 is internally threaded with a bolt 20 for tightly abutting against the side wall of the inner rod 142. The threaded hole 19 and the bolt 20 constitute a locking mechanism for abutting and positioning the inner rod 142. The operator can adjust the whole length of dwang 14 through sliding inner rod 142, and then change the arm of force size that the operator rotated and rotated the plectane 12, make the process that the operator rotated and rotated plectane 12 more laborsaving and nimble, after inner rod 142 slided to suitable position department, the operator supported tightly the location through locking mechanical system to the position of inner rod 142 again can.
The implementation principle of the embodiment is as follows: when the position locking is carried out to the test block to needs, the operator rotates rotation plectane 12 through pulling dwang 14, volute spring 17 is stretched out, four guide way 13 on the rotation plectane 12 will drive four holding rod 11 and expand outwards in step, the test block alright successfully be put in the centre of a circle of tray 2, the dwang 14 in the hand is opened to the operator immediately, rotation plectane 12 will take place the rotation again under volute spring 17's resilience effect and reset, the guide way 13 on the rotation plectane 12 just can order about four holding rod 11 and draw in simultaneously and finally carry the test block, thereby effectively avoided the condition that the test block fell down from tray 2.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a pavement material strength test appearance, includes workstation (1), circular carrier plate (2) of setting on workstation (1), be located lifter plate (3) that carrier plate (2) top, pressure disk (4) of executing of setting in lifter plate (3) below, pressure detection mechanism (5) of setting between lifter plate (3) and pressure disk (4) of executing to and set up the elevating system who is used for ordering about lifter plate (3) and reciprocates on workstation (1), its characterized in that: a plurality of sliding grooves (10) which are the same as the bearing disc (2) in the radius direction are formed in the bearing disc (2), and a clamping rod (11) used for clamping a road test block is connected in each sliding groove (10) in a sliding manner; the bearing plate (2) is provided with a contraction mechanism which drives the plurality of clamping rods (11) to gather towards the circle center of the bearing plate (2).
2. The pavement material strength tester according to claim 1, wherein: the contraction mechanism comprises a rotating circular plate (12) which is rotatably embedded in the bearing disc (2) and is coaxial with the bearing disc (2), and a guide groove (13) which is formed in the rotating circular plate (12) and used for driving the clamping rod (11) to slide along the sliding groove (10), wherein one end of the guide groove (13) is close to the circle center of the rotating circular plate (12), the other end of the guide groove (13) is far away from the circle center of the rotating circular plate (12), and the two ends of the guide groove (13) are not in the same radius direction of the rotating circular plate (12); the contraction mechanism also comprises a volute spring (17) which is used for driving the rotating circular plate (12) to rotate so as to enable the clamping rods (11) to gather together simultaneously.
3. The pavement material strength tester according to claim 2, wherein: a rotating rod (14) is fixedly connected to the rotating circular plate (12), and one section of the rotating rod (14), which is far away from the rotating circular plate (12), penetrates through the side wall of the bearing disc (2); the bearing plate (2) is provided with a rotating groove (16) for the rotating rod (14) to rotate.
4. The pavement material strength tester according to claim 3, wherein: the rotating rod (14) comprises an outer rod (141) fixedly connected to the rotating circular plate (12) and an inner rod (142) embedded in the outer rod (141) in a sliding manner; the outer rod (141) is provided with a locking mechanism for abutting and positioning the inner rod (142).
5. The pavement material strength tester according to claim 4, wherein: the locking mechanism comprises a threaded hole (19) which is formed in the outer rod (141) and communicated with the inner side wall and the outer side wall of the outer rod (141), and a bolt (20) which is in threaded connection with the threaded hole (19) and used for tightly abutting against the side wall of the inner rod (142).
6. The pavement material strength tester according to claim 2, wherein: the guide groove (13) is arc-shaped.
7. The pavement material strength tester according to claim 2, wherein: the clamping rod (11) is rotatably sleeved with a rotating cylinder (18) which is abutted against the inner side wall of the guide groove (13).
8. The pavement material strength tester according to claim 3, wherein: one end of the rotating rod (14) far away from the rotating circular plate (12) is fixedly connected with a grasping ball (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020429557.8U CN211877594U (en) | 2020-03-28 | 2020-03-28 | Pavement material strength tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020429557.8U CN211877594U (en) | 2020-03-28 | 2020-03-28 | Pavement material strength tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211877594U true CN211877594U (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020429557.8U Expired - Fee Related CN211877594U (en) | 2020-03-28 | 2020-03-28 | Pavement material strength tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211877594U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483628A (en) * | 2020-12-15 | 2021-03-12 | 雄名航空科工（芜湖）股份有限公司 | Multifunctional bogie end tooth |
| CN112623871A (en) * | 2020-12-22 | 2021-04-09 | 安徽企盈汽配股份有限公司 | Wire harness winding machine for ABS sensor |
| CN113281164A (en) * | 2021-06-30 | 2021-08-20 | 江南大学 | Clamp for detecting frictional corrosion of coating |
| CN113588549A (en) * | 2021-08-19 | 2021-11-02 | 北京中建建筑科学研究院有限公司 | Efficient bonding strength detection equipment |
| CN115008363A (en) * | 2022-05-10 | 2022-09-06 | 南京嘉浩科技有限公司 | Be applied to button detection device of bluetooth voice remote controller |
| CN117664714A (en) * | 2024-01-05 | 2024-03-08 | 河北精创仪器制造有限公司 | Comprehensive tester for pavement material strength |
-
2020
- 2020-03-28 CN CN202020429557.8U patent/CN211877594U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483628A (en) * | 2020-12-15 | 2021-03-12 | 雄名航空科工（芜湖）股份有限公司 | Multifunctional bogie end tooth |
| CN112623871A (en) * | 2020-12-22 | 2021-04-09 | 安徽企盈汽配股份有限公司 | Wire harness winding machine for ABS sensor |
| CN112623871B (en) * | 2020-12-22 | 2023-11-03 | 安徽企盈汽配股份有限公司 | Wire harness winding machine for ABS sensor |
| CN113281164A (en) * | 2021-06-30 | 2021-08-20 | 江南大学 | Clamp for detecting frictional corrosion of coating |
| CN113588549A (en) * | 2021-08-19 | 2021-11-02 | 北京中建建筑科学研究院有限公司 | Efficient bonding strength detection equipment |
| CN113588549B (en) * | 2021-08-19 | 2023-02-03 | 北京中建建筑科学研究院有限公司 | Efficient bonding strength detection equipment |
| CN115008363A (en) * | 2022-05-10 | 2022-09-06 | 南京嘉浩科技有限公司 | Be applied to button detection device of bluetooth voice remote controller |
| CN117664714A (en) * | 2024-01-05 | 2024-03-08 | 河北精创仪器制造有限公司 | Comprehensive tester for pavement material strength |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |