CN221224197U - Frock is detected to rock drill piston durability - Google Patents
Frock is detected to rock drill piston durability Download PDFInfo
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- CN221224197U CN221224197U CN202323198757.XU CN202323198757U CN221224197U CN 221224197 U CN221224197 U CN 221224197U CN 202323198757 U CN202323198757 U CN 202323198757U CN 221224197 U CN221224197 U CN 221224197U
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- bottom plate
- detection tool
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- 239000011435 rock Substances 0.000 title claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000012360 testing method Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
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- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of detection tools and discloses a tool for detecting the durability of a piston of a rock drill, which comprises a bottom plate, wherein a bracket is vertically arranged on the bottom plate, a driving assembly is fixedly arranged at the position, close to the upper end, of the bracket, one end of the driving assembly is rotationally connected with a connecting assembly, the other end of the connecting assembly is slidingly connected with a positioning and clamping assembly, and a test device is fixedly arranged at the position, below the positioning and clamping assembly, on the bottom plate; the utility model has simple integral structure, can realize the test and detection of the rock drill pistons with different diameters and lengths, can simulate the impact effect in the actual working process of the rock drill pistons, and can judge the durability of the impact pistons and estimate the service life of the impact pistons by the information of the impact times before the failure of the impact pistons and the like.
Description
Technical Field
The utility model belongs to the technical field of detection tools, and particularly relates to a tool for detecting durability of a piston of a rock drill.
Background
The impact piston is the most important part of a hydraulic rock drill, and is subjected to alternating stress for a long time during operation, and also to strong impact force. In practical applications of hydraulic rock drills, the impact piston is found to be the part of the hydraulic rock drill with the highest failure rate. The failure modes of the impact piston mainly comprise fracture of the impact piston, abrasion and peeling of the end face of the impact piston. The main reasons for the failure of the impact piston are piston fracture caused by alternating stress, unqualified heat treatment quality, fatigue damage formed by long-time impact and the like. Currently, no tools or equipment to detect the durability of the impact piston are found during the development and production of hydraulic rock drills. In the prior art, a method for detecting the durability of the hydraulic rock drill is mainly used for optimizing and improving the product through the actual use condition of the feedback of the finished product of the hydraulic rock drill. Therefore, a large amount of manpower and material resources are consumed, the period is long, and the development and improvement of the rock drill are not facilitated.
Disclosure of utility model
The utility model aims to solve the main technical problem of providing the tool for detecting the durability of the piston of the rock drill, which has a simple integral structure, can be used for judging the service life of the impact piston of the hydraulic rock drill in advance through test detection, detecting the durability of the impact piston of the hydraulic rock drill, and realizing the test detection of pistons with different diameters and lengths, and improving the use effect.
In order to solve the technical problems, the utility model provides the following technical scheme:
The utility model provides a rock drill piston durability detects frock, includes the bottom plate, the support has been laid perpendicularly on the bottom plate, and the support is close to upper end position department fixed mounting has drive assembly, and drive assembly one end rotates and is connected with coupling assembling, and coupling assembling other end sliding connection has the location to press from both sides tight subassembly, is located location below the location to press from both sides tight subassembly on the bottom plate and has a test device.
The following is a further optimization of the above technical solution according to the present utility model:
The bracket comprises a vertical plate vertically arranged on a bottom plate, side plates are symmetrically arranged at the two side positions of the vertical plate respectively, and a motor shaft mounting hole is formed in the position, close to the upper end, of the vertical plate.
Further optimizing: the driving assembly comprises a motor fixedly installed on the vertical plate, the power output end of the motor penetrates through the motor shaft installation hole, the power output end of the motor is fixedly connected with an eccentric wheel, and a first pin installation hole is formed in the position, close to the edge, of the eccentric wheel.
Further optimizing: the connecting assembly comprises a first connecting rod pin inserted in the first pin mounting hole, one end of the connecting rod is inserted into the first connecting rod pin at the same time, and the other end of the connecting rod is inserted into a second connecting rod pin.
Further optimizing: the positioning and clamping assembly comprises a guide rail fixedly arranged on the vertical plate, and an L-shaped block is slidably arranged on the guide rail.
Further optimizing: a second pin mounting hole is formed in one end face of the L-shaped block, and the second connecting rod pin is inserted into the second pin mounting hole at the same time.
Further optimizing: the other end face of the L-shaped block is fixedly provided with a three-jaw chuck.
Further optimizing: the test device comprises a workbench bracket fixedly mounted on the bottom plate, a clamping groove is formed in the workbench bracket, a workbench is fixedly mounted on the clamping groove, and an impact seat is fixedly mounted at the position of the workbench corresponding to the three-jaw chuck.
Further optimizing: an impact groove is formed in the middle of the impact seat.
Further optimizing: and a spring damper is fixedly arranged at the position of the bottom plate corresponding to the impact seat.
The utility model adopts the technical scheme, has ingenious conception and reasonable structure, can realize the test detection of the rock drill pistons with different diameters and lengths, can simulate the impact effect in the actual working process of the rock drill pistons, can judge the durability of the impact pistons through the information such as the impact times before the impact pistons fail, estimates the service lives of the impact pistons, provides the basis for research and development and production of the impact pistons, saves the time for predicting the durability of the rock drill pistons, reduces the cost of manpower and material resources, improves the use range, is convenient to use, can improve the production efficiency, is safe and reliable, is convenient to operate, has simple integral structure, is convenient to manufacture and produce, can reduce the production and use cost, and improves the economic benefit.
After the three-jaw chuck for the rock drill piston is positioned and clamped, the motor is started, the rock drill piston is driven to reciprocate up and down under the action of the eccentric wheel, impact force is generated on the impact seat when the rock drill piston moves to the lowest point, feedback signals of the displacement sensor and the counting sensor are fed back to an external computer, the speed, the acceleration, the impact times and the impact load of the rock drill piston in the impact process are calculated and displayed through the external computer, and then the durability of the rock drill piston is predicted or the service life of the rock drill piston is estimated according to collected data.
The utility model will be further described with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic view of an overall structure of an embodiment of the present utility model;
FIG. 2 is a side view of the overall structure of an embodiment of the present utility model;
FIG. 3 is a schematic view of a frame according to an embodiment of the present utility model;
FIG. 4 is a schematic view of the structure of an L-shaped block according to an embodiment of the present utility model;
Fig. 5 is a schematic structural view of an impact seat according to an embodiment of the present utility model.
In the figure: 1-a connection assembly; 10-an electric motor; 11-a motor output shaft; 12-eccentric wheel; 13-a first link pin; 14-connecting rod; 15-a second link pin; 16-a motor shaft mounting hole; 17-a first pin mounting hole; 2-positioning and clamping components; 20-a guide rail; 21-a slider; 22-L-shaped blocks; a 23-three jaw chuck; 24-a second pin mounting hole; 25-a workpiece mounting hole; 3-a workpiece; 4-a test device; 40-an impact seat; 41-spring damper; 42-an impingement seat mounting hole; 43-impact groove; 44-an impingement seat base; 5-a bracket; 50-risers; 51-side plates; 52-a bottom plate; 53-working table; 54-table support.
Detailed Description
As shown in fig. 1-5: the utility model provides a rock drill piston durability detects frock, includes bottom plate 52, support 5 has been laid perpendicularly on the bottom plate 52, and support 5 is close to upper end position department fixed mounting has drive assembly, and drive assembly one end rotates and is connected with coupling assembling 1, and coupling assembling 1 other end sliding connection has location clamping assembly 2, and the position department fixed mounting has test device 4 below being located location clamping assembly 2 on the bottom plate 52.
In this embodiment, the base plate 52 is placed directly in the use position for use.
The bracket 5 comprises a vertical plate 50 vertically arranged on a bottom plate 52, and a motor shaft mounting hole 16 is formed in the position, close to the upper end, of the vertical plate 50.
Side plates 51 are symmetrically arranged at the two sides of the vertical plate 50 respectively, and the side plates 51 are used for reinforcing the strength of the vertical plate 50 and guaranteeing the perpendicularity of the vertical plate 50.
The driving assembly comprises a motor 10 fixedly installed on a motor shaft installation hole 16, the motor 10 is vertically arranged with a vertical plate 50, and a motor output shaft 11 of the motor 10 penetrates through the motor shaft installation hole 16.
The motor output shaft 11 is connected with an eccentric wheel 12 through a key, and a first pin mounting hole 17 is formed in the position, close to the edge, of the eccentric wheel 12.
The connecting assembly 1 comprises a first connecting rod pin 13 inserted in a first pin mounting hole 17, and one end of a connecting rod 14 is simultaneously inserted in the first connecting rod pin 13.
In this way, the first link pin 13 fixedly connects the link 14 to the eccentric 12.
The other end of the connecting rod 14 is inserted with a second connecting rod pin 15.
The positioning and clamping assembly 2 includes a rail 20 fixedly mounted on a riser 50, with the rail 20 being located at a position below the eccentric 12.
The guide rail 20 is slidably provided with a slider 21.
An L-shaped block 22 is fixedly arranged on the installation surface of the sliding block 21 through bolts.
As shown in fig. 4, a second pin mounting hole 24 is formed on one end surface of the L-shaped block 22, and the second link pin 15 is simultaneously inserted into the second pin mounting hole 24.
So designed, the second link pin 15 connects the link 14 with the L-block 22.
A workpiece mounting hole 25 is formed in the middle of the other end face of the L-shaped block 22.
The bottom surface of the L-shaped block 22 is fixedly provided with a three-jaw chuck 23 at a position corresponding to the workpiece mounting hole 25.
The workpiece 3 is clamped in the middle of the three-jaw chuck 23, and the workpiece 3 simultaneously passes through the workpiece mounting hole 25.
The three-jaw chuck 23 is used for fixing the workpiece 3 with the clamping band for detection, and meanwhile, the three-jaw chuck 23 is used for adjusting, detecting the workpiece 3 without the diameter and the length, so that the application range is improved.
The positioning and clamping principle of the three-jaw chuck 23 is well known and widely used in the prior art, and will not be described in detail herein.
The test device 4 comprises a table support 54 fixedly mounted on the base plate 52, the table support 54 being located simultaneously below the positioning and clamping assembly 2.
A clamping groove is formed in the workbench bracket 54, and a workbench 53 is fixedly arranged on the clamping groove.
The working table 53 is provided with an impact seat mounting hole 42 at a position corresponding to the three-jaw chuck 23.
The impact seat 40 is fixedly mounted on the impact seat mounting hole 42.
As shown in fig. 5, the impact seat 40 includes an impact seat base 44, and a shaft sleeve is vertically disposed at a middle position on the impact seat base 44.
An impact groove 43 is formed in the middle of the shaft sleeve, and the size of the impact groove 43 is matched with the diameter of the outer circle of the workpiece 3.
The bottom plate 52 is fixedly provided with a spring damper 41 at a position corresponding to the impact seat 40, and the workpiece 3 acts on the spring damper 41.
The spring damper 41 functions to support the impact seat 40, while the spring damper 41 is capable of absorbing a part of energy generated by the impact process when the workpiece 3 generates a force against the impact seat 40.
The working principle of the spring damper 41 is a well-known and widely-used technology in the prior art, and will not be described in detail herein.
The L-shaped block 22 is provided with a displacement sensor, the impact seat 40 is provided with a counting sensor, which is not marked in the figure, the signal output ends of the displacement sensor and the counting sensor are connected with an external computer, and the data such as speed, acceleration, impact times, impact load and the like in the test process are recorded and collected by the external computer for analysis.
When the tool for detecting the durability of the piston of the rock drill is used, a workpiece 3 is placed into a three-jaw chuck 23 to be positioned and clamped, one end of the workpiece 3 is guaranteed to enter an impact seat 40, then a motor 10 is started, a power driving end of the motor 10 drives a connecting assembly 1 to eccentrically move, meanwhile, an L-shaped block 22 is driven to move up and down along a guide rail 20, the workpiece 3 further moves up and down, when the workpiece 3 moves to the lowest point, the impact seat 40 generates impact force, feedback signals of a displacement sensor and a counting sensor are fed back to an external computer, the speed, acceleration, the impact times and the impact load in the impact process of the workpiece 3 are calculated and displayed through the external computer, and then the durability estimation or the service life estimation of the workpiece 3 is carried out according to collected data.
Alterations, modifications, substitutions and variations of the embodiments herein will be apparent to those of ordinary skill in the art in light of the teachings of the present utility model without departing from the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a rock drill piston durability detects frock, includes bottom plate (52), its characterized in that: a support (5) is vertically arranged on the bottom plate (52), a driving assembly is fixedly arranged at the position, close to the upper end, of the support (5), one end of the driving assembly is rotationally connected with a connecting assembly (1), the other end of the connecting assembly (1) is slidably connected with a positioning and clamping assembly (2), and a testing device (4) is fixedly arranged at the position, below the positioning and clamping assembly (2), on the bottom plate (52).
2. The rock drill piston durability detection tool according to claim 1, wherein: the bracket (5) comprises a vertical plate (50) vertically arranged on a bottom plate (52), side plates (51) are symmetrically arranged at two side positions of the vertical plate (50), and a motor shaft mounting hole (16) is formed in the position, close to the upper end, of the vertical plate (50).
3. The rock drill piston durability detection tool according to claim 2, wherein: the driving assembly comprises a motor (10) fixedly mounted on a vertical plate (50), a power output end of the motor (10) penetrates through a motor shaft mounting hole (16), the power output end of the motor (10) is fixedly connected with an eccentric wheel (12), and a first pin mounting hole (17) is formed in the position, close to the edge, of the eccentric wheel (12).
4. A rock drill piston durability detection tool according to claim 3, wherein: the connecting assembly (1) comprises a first connecting rod pin (13) inserted into a first pin mounting hole (17), one end of a connecting rod (14) is inserted into the first connecting rod pin (13) at the same time, and a second connecting rod pin (15) is inserted into the other end of the connecting rod (14).
5. The rock drill piston durability detection tool according to claim 4, wherein: the positioning and clamping assembly (2) comprises a guide rail (20) fixedly arranged on a vertical plate (50), and an L-shaped block (22) is slidably arranged on the guide rail (20).
6. The rock drill piston durability detection tool according to claim 5, wherein: a second pin mounting hole (24) is formed in one end face of the L-shaped block (22), and the second connecting rod pin (15) is simultaneously inserted into the second pin mounting hole (24).
7. The rock drill piston durability detection tool according to claim 6, wherein: the other end face of the L-shaped block (22) is fixedly provided with a three-jaw chuck (23).
8. The rock drill piston durability detection tool according to claim 7, wherein: the test device (4) comprises a workbench bracket (54) fixedly arranged on a bottom plate (52), a clamping groove is formed in the workbench bracket (54), a workbench (53) is fixedly arranged on the clamping groove, and an impact seat (40) is fixedly arranged at the position of the workbench (53) corresponding to the three-jaw chuck (23).
9. The rock drill piston durability detection tool of claim 8, wherein: an impact groove (43) is formed in the middle of the impact seat (40).
10. The rock drill piston durability detection tool according to claim 9, wherein: a spring damper (41) is fixedly arranged at the position of the bottom plate (52) corresponding to the impact seat (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323198757.XU CN221224197U (en) | 2023-11-27 | 2023-11-27 | Frock is detected to rock drill piston durability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323198757.XU CN221224197U (en) | 2023-11-27 | 2023-11-27 | Frock is detected to rock drill piston durability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221224197U true CN221224197U (en) | 2024-06-25 |
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ID=91542322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323198757.XU Active CN221224197U (en) | 2023-11-27 | 2023-11-27 | Frock is detected to rock drill piston durability |
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| Country | Link |
|---|---|
| CN (1) | CN221224197U (en) |
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2023
- 2023-11-27 CN CN202323198757.XU patent/CN221224197U/en active Active
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