CN219348462U - Hydraulic anchor rod assembly drawing test device - Google Patents
Hydraulic anchor rod assembly drawing test device Download PDFInfo
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- CN219348462U CN219348462U CN202320395812.5U CN202320395812U CN219348462U CN 219348462 U CN219348462 U CN 219348462U CN 202320395812 U CN202320395812 U CN 202320395812U CN 219348462 U CN219348462 U CN 219348462U
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Abstract
The utility model provides a hydraulic pressure stock subassembly draws test device for detect the tensile of stock subassembly and pull out the power, including stock pull out unit and data acquisition unit, stock pull out unit includes the oil pump, pulls hydro-cylinder, stock extension rod, interval splint and support sleeve, the stock extension rod can pass through screw thread coaxial coupling with stock body of stock subassembly, pull out hydro-cylinder, interval splint and support sleeve and overlap in proper order establish on the stock extension rod, data acquisition unit includes pressure sensor, first displacement sensor and comprehensive host computer, pressure sensor sets up the junction at oil pipe and pull out the hydro-cylinder to with be connected with comprehensive host computer communication, pressure sensor can be with the pressure in the hydro-cylinder of pulling out the electric signal transmission for comprehensive host computer, first displacement sensor can be with the extension conversion of pull out the hydro-cylinder for the electric signal transmission for comprehensive host computer, by comprehensive host computer record and analysis.
Description
Technical Field
The utility model relates to the technical field of mine detection, in particular to a hydraulic anchor rod assembly drawing test device.
Background
In the construction process of roadway support engineering, an anchor rod assembly is often required to anchor and fix a top plate and a side part of a roadway, and the anchor rod assembly can strengthen surrounding rocks of the roadway together so that the surrounding rocks support themselves to improve the overall structural strength of the surrounding rocks of the roadway.
Detecting the anchorage of surrounding rock, anchoring agent and rod body; verifying the surface support area and the support strength; verifying the matching degree of the anchor rod matched fittings; the weakening rule of the surrounding rock in the pull-out test at different stages is usually researched by using an anchor rod pull-out test device. The anchor rod drawing test device in the current market requires an operator to measure the elongation of the hydraulic oil cylinder by using a vernier caliper when the hydraulic oil cylinder is used for drawing the anchor rod, and then the elongation of the hydraulic oil cylinder is detected by combining the pressure value in the hydraulic oil cylinder, but in the drawing process in the initial stage, the elongation of the hydraulic oil cylinder is very small, the vernier caliper is difficult to place in a dark roadway environment, the measuring precision is low, the pressure value of hydraulic oil in the hydraulic oil cylinder is displayed by a pointer type pressure gauge on an oil pump, the visual reading precision is low, and the elongation of the hydraulic oil cylinder and the pressure value of the hydraulic oil cylinder are recorded in a manual recording mode, so that the hydraulic oil cylinder cannot be automatically obtained, and a manual input computer is required to analyze after data acquisition, so that the working efficiency is low.
In conclusion, the existing anchor rod drawing test device in the current market has the technical defects of low precision and low working efficiency.
Disclosure of Invention
In order to solve the problems, the utility model provides a hydraulic anchor rod assembly drawing test device.
The technical scheme of the utility model is as follows:
the utility model provides a hydraulic pressure stock subassembly draws test device for comprehensively verify the anchor effect of stock subassembly, draw test device includes stock drawing unit and data acquisition unit, stock drawing unit includes the oil pump, draws hydro-cylinder, stock extension rod, interval splint and support sleeve, the stock extension rod can pass through screw thread coaxial coupling with the stock body of stock subassembly, draw hydro-cylinder, interval splint and support sleeve and overlap in proper order establish on the stock extension rod, draw hydro-cylinder and stock extension rod fixed connection, support sleeve's one end and the tray surface contact connection of the stock subassembly of hugging closely tunnel country rock, the other end is connected with interval splint contact, be provided with oil pipe between drawing hydro-cylinder and the oil pump and be connected, the drawing hydro-cylinder can be through stock extension rod to apply the pulling force to the stock body.
Further, the data acquisition unit includes pressure sensor, first displacement sensor and comprehensive host computer, pressure sensor sets up in the junction of oil pipe and drawing the hydro-cylinder to with synthesize host computer communication connection, as the preferred, the junction of oil pipe and drawing the hydro-cylinder is provided with the three-way valve, pressure sensor passes through three-way valve and oil pipe and draws the inside intercommunication of hydro-cylinder, pressure sensor can be with drawing the pressure in the hydro-cylinder and turn into the signal of telecommunication and transmit to comprehensive host computer, first displacement sensor includes sensor body and detection cable wire, first displacement sensor's sensor body is fixed in drawing the hydro-cylinder outside, detection cable wire one end and sensor body coupling, the other end can be connected with the interval splint, first displacement sensor's sensor body and comprehensive host computer communication connection, when stretching out the section in drawing the hydro-cylinder body stretches out, when exerting the pulling force to the stock body through the stock extension rod, first displacement sensor can be with drawing the extension of hydro-cylinder and change into and transmit and synthesize the signal of telecommunication for comprehensive host computer, record and analysis are carried out by comprehensive host computer.
The hydraulic anchor rod assembly drawing test device comprises a data acquisition unit, and is characterized in that the data acquisition unit further comprises an auxiliary support and a second displacement sensor, one end of the auxiliary support can be connected with an anchor rod assembly near the anchor rod body to be tested in a combined mode, the other end of the auxiliary support is fixedly provided with a sensor body of the second displacement sensor, a detection steel rope is arranged between the sensor body of the second displacement sensor and a tray of the anchor rod assembly to be connected, the second displacement sensor is further connected with a comprehensive host in a communication mode, and the arrangement of the second displacement sensor can be used for measuring the displacement of surrounding rock near the anchor rod body to be tested.
Further, the auxiliary support comprises a cross rod and a vertical rod, one end of the cross rod is connected with the anchor rod body near the anchor rod body to be detected in a combined mode, the other end of the cross rod is connected with the upper end of the vertical rod in a rotating mode, and the lower end of the vertical rod is connected with the second displacement sensor. The auxiliary support is arranged in a structure capable of being conveniently fixed on surrounding rocks of a roadway.
Further, the lower extreme of montant is provided with the second centre gripping and presss from both sides, the cross-sectional shape of second centre gripping clamp body is letter C font, and the opening is towards the tray surface of survey stock subassembly, the second displacement sensor sets up in the opening of second centre gripping clamp body, the open-ended back of second centre gripping clamp and the lower extreme sliding connection of montant, thereby makes the setting position of the body of second displacement sensor can be adjusted.
Preferably, a locking pin in threaded connection is arranged on the upper side of the second clamping clamp body, a rotating handle is fixed at the upper end of the locking pin, and the lower end of the locking pin is inserted into the second clamping clamp body to be in contact connection with the upper side surface of the second displacement sensor body, so that the second displacement sensor body in the second clamping clamp is fixed in position.
Preferably, the shape of the rotating handle fixedly connected with the upper end of the locking pin comprises a circular ring, and a strip tool such as a crowbar can be inserted into the circular ring of the rotating handle to assist in rotating the locking pin.
Preferably, the data acquisition unit further comprises a mining intrinsic safety junction box, cables are arranged between the mining intrinsic safety junction box and the first displacement sensor, the second displacement sensor, the pressure sensor and the comprehensive host machine for connection, the mining intrinsic safety junction box can meet the requirements of electrical devices for wiring and branching of communication cables in dangerous places such as underground coal mines containing gas, dust and the like, has the performances of explosion prevention, dust prevention, moisture prevention and the like, is wired in a crimping mode, and is provided with a pressing device at the wire inlet and outlet positions, so that the wire inlet and outlet cables are not easy to fall off, and the normal use of the drawing test device is prevented from being influenced by the fact that the cable is not easy to fall off.
The hydraulic anchor rod assembly drawing test device comprises a first clamping clamp body, a first displacement sensor, a first clamping clamp body, a first clamping clamp and a first clamping clamp, wherein the first clamping clamp body is arranged on the outer side of a drawing cylinder, the first clamping clamp body is fixedly arranged on the outer side surface of the first clamping clamp body, the cross section of the first clamping clamp body is also in a letter C shape, an opening is also towards the surface of a tray of the tested anchor rod assembly, the first displacement sensor is arranged in the opening of the first clamping clamp body, and the first clamping clamp body and the first clamping clamp are arranged to provide mounting positions for the first displacement sensor on the drawing cylinder.
Preferably, a locking pin in threaded connection is arranged on the upper side of the first clamping clamp body, and the locking pin can fix the position of the first displacement sensor body in the first clamping clamp body.
Further, the outside of interval splint is connected with the connecting rod perpendicularly, the top fixedly connected with connector of connecting rod, the shape of connector includes letter C font, its opening orientation and the opposite direction of the tensile force direction that is surveyed the stock body, the connector can be connected with first displacement sensor's detection cable wire.
Compared with the prior art, the utility model has the following beneficial effects:
according to the hydraulic anchor rod assembly drawing test device, the first displacement sensor and the pressure sensor can be used for obtaining the real-time displacement of the anchor rod body which is drawn out and the tensile force born by the anchor rod body, the detection precision is higher, and the comprehensive machine of the drawing test device can automatically integrate, record and analyze the displacement of the anchor rod body which is drawn out and the tensile force born by the anchor rod body, so that the working efficiency is higher.
Drawings
The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model.
In the drawings:
FIG. 1 is a schematic diagram of a hydraulic bolt assembly pull test apparatus according to the present utility model;
FIG. 2 is a schematic view of the structure of the anchor rod pulling unit according to the present utility model;
fig. 3 is a schematic structural view of an auxiliary bracket in the present utility model.
Wherein reference numerals denote:
1. an anchor rod drawing unit; 11. an oil pump; 12. drawing oil cylinders; 13. a spacer splint; 14. a support sleeve; 15. a first clamping clip; 16. a fixing frame; 17. an anchor rod extension rod; 2. a data acquisition unit; 21. a pressure sensor; 22. a first displacement sensor; 23. a second displacement sensor; 24. a comprehensive host; 25. mining intrinsic safety junction box; 26. an auxiliary bracket; 27. a cross bar; 28. a vertical rod; 29. a second clamping clip; 3. a locking pin; 4. rotating the handle; 5. a connecting rod; 6. a connector.
Detailed Description
Referring to fig. 1-3, a hydraulic anchor rod assembly drawing test device is used for comprehensively verifying the anchoring effect of an anchor rod assembly, the drawing test device comprises an anchor rod drawing unit 1 and a data acquisition unit 2, the anchor rod drawing unit 1 comprises an oil pump 11, a drawing oil cylinder 12, an anchor rod extension rod 17, a spacing clamping plate 13 and a supporting sleeve 14, the anchor rod extension rod 17 can be coaxially connected with an anchor rod body of the anchor rod assembly through threads, the drawing oil cylinder 12, the spacing clamping plate 13 and the supporting sleeve 14 are sequentially sleeved on the anchor rod extension rod 17, the drawing oil cylinder 12 is fixedly connected with the anchor rod extension rod 17, one end of the supporting sleeve 14 is in contact connection with the surface of a tray of the anchor rod assembly, which is clung to roadway surrounding rock, the other end of the supporting sleeve 14 is in contact connection with the spacing clamping plate 13, an oil pipe is arranged between the drawing oil cylinder 12 and the oil pump 11 to be connected, and the oil pump 11 is used for pressurizing the drawing oil cylinder 12 through the oil pipe, so that an extension section in the cylinder body of the drawing oil cylinder 12 can be stretched out, and the drawing oil cylinder 12 can apply tension to the anchor rod body.
Further, the data acquisition unit 2 includes pressure sensor 21, first displacement sensor 22, and comprehensive host 24, pressure sensor 21 sets up in the junction of oil pipe and drawing hydro-cylinder 12 to with comprehensive host 24 communication connection, pressure sensor 21 can be with drawing hydro-cylinder 12 in the pressure conversion of signal of telecommunication and give comprehensive host 24, and the pressure in drawing hydro-cylinder 12 just is the instantaneous tensile force that the stock bore, first displacement sensor 22 includes sensor body and detection cable, the sensor body of first displacement sensor 22 is fixed in drawing hydro-cylinder 12 outside, detection cable one end and sensor body coupling, the other end can be connected with interval splint 13, the sensor body of first displacement sensor 22 and comprehensive host 24 communication connection, when the extension in drawing hydro-cylinder 12 cylinder body is exerted the pulling force through stock extension rod 17, first displacement sensor 22 can be with draw hydro-cylinder 12 elongation for signal transmission to comprehensive host 24, record and the comprehensive host 24 by comprehensive host 24 and the pressure sensor body and the direct measurement of a stock bore of first displacement sensor 21 and the direct measurement of the pressure gauge graph of the main body and the direct input of the direct measurement accuracy of the main body and the error of stock bore of a side gauge, the accurate graph can be compared with the direct analysis of the main body and the pressure gauge 24 and the error.
Referring to fig. 3, the data acquisition unit 2 further includes an auxiliary bracket 26 and a second displacement sensor 23, one end of the auxiliary bracket 26 can be connected with a bolt assembly near the detected bolt body in a combined manner, the other end of the auxiliary bracket is fixed with a sensor body of the second displacement sensor 23, a detection steel cable is arranged between the sensor body of the second displacement sensor 23 and a tray of the bolt assembly for connection, the second displacement sensor is also connected with the comprehensive host 24 in a communication manner, when the pull test device performs a pull test on the bolt body, the pull cylinder 12 can pull the bolt body outwards and also can enable the tray to settle, so that the surrounding rock near the bolt body is deformed, if the displacement of the surrounding rock deformation is ignored, errors occur in the result of the pull test, and the second displacement sensor 23 can measure the displacement of the surrounding rock near the detected bolt body, and when the result is calculated, the displacement of the surrounding rock is subtracted by the extension of the pull cylinder 12, so that the absolute displacement of the bolt body pulled out in the pull test is obtained, and the accuracy of the test result is ensured.
Further, the auxiliary bracket 26 comprises a cross bar 27 and a vertical bar 28, one end of the cross bar 27 is connected with the anchor body near the anchor body to be tested in a combined manner, the other end of the cross bar is connected with the upper end of the vertical bar 28 in a rotating manner, and the lower end of the vertical bar 28 is connected with the second displacement sensor 23. The auxiliary support 26 is structurally arranged to facilitate the auxiliary support 26 to be fixed on surrounding rocks of a roadway, and the vertical rods 28 and the transverse rods 27 are rotatably connected, so that the vertical rods 28 can be rotated, and the relative positions of the second displacement sensors 23 can be adjusted on the uneven surrounding rock surfaces.
Further, the lower end of the vertical rod 28 is provided with a second clamping clamp 29, the cross section of the second clamping clamp 29 body is letter-C-shaped, the opening faces the surface of the tray of the measured anchor rod assembly, the second displacement sensor 23 is arranged in the opening of the second clamping clamp 29 body, the back of the opening of the second clamping clamp 29 is slidably connected with the lower end of the vertical rod 28, so that the setting position of the body of the second displacement sensor 23 can be adjusted, and the detection steel cable extending from the second displacement sensor 23 can be parallel to the pulling direction of the measured anchor rod body as much as possible, so that the displacement of surrounding rock near the measured anchor rod assembly can be detected more accurately.
Preferably, a locking pin 3 in threaded connection is disposed on the upper side of the second clamping clamp 29 body, a rotating handle 4 is fixed on the upper end of the locking pin 3, the lower end of the locking pin is inserted into the second clamping clamp 29 body to be in contact connection with the upper side surface of the second displacement sensor 23 body, and the locking pin 3 is rotated to enable the lower end of the locking pin 3 to be inserted into an opening of the second clamping clamp 29 body, so that the second displacement sensor 23 body in the second clamping clamp 29 is fixed in position.
Preferably, the shape of the rotating handle 4 fixedly connected with the upper end of the locking pin 3 comprises a circular ring shape, the circular ring-shaped rotating handle 4 is convenient to process, and if necessary, a strip tool such as a crowbar can be inserted into the circular ring of the rotating handle 4 to assist in rotating the locking pin 3.
Preferably, the data acquisition unit 2 further includes a mine intrinsic safety junction box 25, cables are arranged between the mine intrinsic safety junction box 25 and the first displacement sensor 22, the second displacement sensor 23, the pressure sensor 21 and the comprehensive host 24 for connection, and the mine intrinsic safety junction box can meet the requirements of an electrical device for wiring and branching of a communication cable in dangerous places such as underground coal mines containing gas, dust and the like, has performances such as explosion prevention, dust prevention and moisture prevention, is wired in a crimping manner, and is provided with a compacting device at a wire inlet and outlet position, so that the wire inlet and outlet cable is not easy to fall off.
Referring to fig. 2, a fixing frame 16 is disposed around the outside of the drawing cylinder 12, a first clamping clip 15 is fixed on the outer surface of the fixing frame 16, the cross section of the body of the first clamping clip 15 is also letter C-shaped, the opening is also towards the surface of the tray of the measured anchor rod assembly, the first displacement sensor 22 is disposed in the opening of the body of the first clamping clip 15, and the fixing frame 16 and the first clamping clip 15 can provide an installation position for the first displacement sensor 22 on the drawing cylinder 12.
Preferably, a locking pin 3 in threaded connection is disposed on the upper side of the first clamping jaw 15 body, and the locking pin 3 can fix the position of the first displacement sensor 22 body in the first clamping jaw 15 body.
Further, the outside of interval splint 13 is connected with connecting rod 5 perpendicularly, the top fixedly connected with connector 6 of connecting rod 5, the shape of connector 6 includes letter C font, its opening orientation and the opposite direction of the tensile force direction that is surveyed the stock body, connector 6 can be connected with the detection cable of first displacement sensor 22, and the setting of its opening direction can conveniently be connected with the detection cable of first displacement sensor 22, and makes the detection cable of first displacement sensor 22 be difficult to deviate from in the opening of connector 6.
Claims (10)
1. The hydraulic anchor rod assembly drawing test device is used for comprehensively verifying the anchoring effect of an anchor rod assembly and is characterized by comprising an anchor rod drawing unit (1) and a data acquisition unit (2), wherein the anchor rod drawing unit (1) comprises an oil pump (11), a drawing oil cylinder (12), an anchor rod extension rod (17), a spacing clamping plate (13) and a supporting sleeve (14), the anchor rod extension rod (17) can be coaxially connected with an anchor rod body of the anchor rod assembly through threads, the drawing oil cylinder (12), the spacing clamping plate (13) and the supporting sleeve (14) are sequentially sleeved on the anchor rod extension rod (17), one end of the supporting sleeve (14) is fixedly connected with the anchor rod extension rod (17), one end of the supporting sleeve (14) is in contact connection with the surface of a tray of the anchor rod assembly clung to surrounding rocks of a roadway, the other end of the supporting sleeve is in contact connection with the spacing clamping plate (13), and an oil pipe is arranged between the drawing oil cylinder (12) and the oil pump (11) for connection.
The data acquisition unit (2) comprises a pressure sensor (21), a first displacement sensor (22) and a comprehensive host (24), wherein the pressure sensor (21) is arranged at the joint of an oil pipe and a drawing oil cylinder (12) and is in communication connection with the comprehensive host (24), the first displacement sensor (22) comprises a sensor body and a detection steel rope, the sensor body is fixed on the outer side of the drawing oil cylinder (12), one end of the detection steel rope is connected with the sensor body, the other end of the detection steel rope can be connected with a spacing clamping plate (13), and the sensor body of the first displacement sensor (22) is in communication connection with the comprehensive host (24).
2. A hydraulic anchor rod assembly drawing test device according to claim 1, characterized in that the data acquisition unit (2) further comprises an auxiliary bracket (26) and a second displacement sensor (23), one end of the auxiliary bracket (26) can be connected with the anchor rod assembly near the tested anchor rod body in a combined way, the other end of the auxiliary bracket is fixedly provided with the sensor body of the second displacement sensor (23), a detection steel rope is arranged between the sensor body of the second displacement sensor (23) and a tray of the anchor rod assembly for connection, and the second displacement sensor is also connected with the comprehensive host computer (24) in a communication way.
3. A hydraulic bolt assembly drawing test device according to claim 2, characterized in that the auxiliary support (26) comprises a cross bar (27) and a vertical bar (28), one end of the cross bar (27) is connected with the bolt body near the detected bolt body in a combined way, the other end is connected with the upper end of the vertical bar (28) in a rotating way, and the lower end of the vertical bar (28) is connected with the second displacement sensor (23).
4. A hydraulic bolt assembly drawing test device according to claim 3, characterized in that the lower end of the vertical rod (28) is provided with a second clamping clamp (29), the cross section of the second clamping clamp (29) body is letter-C-shaped, the opening faces the tray surface of the tested bolt assembly, the second displacement sensor (23) is arranged in the opening of the second clamping clamp (29) body, and the back of the opening of the second clamping clamp (29) is in sliding connection with the lower end of the vertical rod (28).
5. A hydraulic bolt assembly drawing test device according to claim 4, wherein a locking pin (3) in threaded connection is arranged on the upper side of the second clamping clamp (29) body, a rotating handle (4) is fixed at the upper end of the locking pin (3), and the lower end of the locking pin is inserted into the second clamping clamp (29) body to be in contact connection with the upper side surface of the second displacement sensor (23) body.
6. A hydraulic bolt assembly pull test apparatus according to claim 5, wherein the rotatable handle (4) fixedly attached to the upper end of the locking pin (3) comprises a circular shape.
7. A hydraulic rock bolt assembly pull-out test device according to claim 2, characterized in that the data acquisition unit (2) further comprises a mining intrinsic safety junction box (25), wherein cables are arranged between the mining intrinsic safety junction box (25) and the first displacement sensor (22), the second displacement sensor (23), the pressure sensor (21) and the comprehensive host (24) for connection.
8. A hydraulic bolt assembly drawing test device according to claim 1, characterized in that a fixing frame (16) is arranged around the outer side of the drawing cylinder (12), a first clamping clip (15) is fixed on the outer side surface of the fixing frame (16), the cross section of the body of the first clamping clip (15) is also letter C-shaped, the opening is also towards the tray surface of the measured bolt assembly, and the first displacement sensor (22) is arranged in the opening of the body of the first clamping clip (15).
9. A hydraulic bolt assembly pull-out test device according to claim 8, characterized in that the upper side of the first clamping clamp (15) body is provided with a threaded locking pin (3), the locking pin (3) being capable of fixing the position of the first displacement sensor (22) body in the first clamping clamp (15) body.
10. The hydraulic anchor rod assembly drawing test device according to claim 8, wherein the outer side of the spacing clamping plate (13) is vertically connected with a connecting rod (5), the top end of the connecting rod (5) is fixedly connected with a connector (6), the shape of the connector (6) comprises a letter C shape, an opening of the connector faces the direction opposite to the direction of the tensile force of the tested anchor rod body, and the connector (6) can be connected with a detection steel rope of the first displacement sensor (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320395812.5U CN219348462U (en) | 2023-03-06 | 2023-03-06 | Hydraulic anchor rod assembly drawing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320395812.5U CN219348462U (en) | 2023-03-06 | 2023-03-06 | Hydraulic anchor rod assembly drawing test device |
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| Publication Number | Publication Date |
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| CN219348462U true CN219348462U (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320395812.5U Active CN219348462U (en) | 2023-03-06 | 2023-03-06 | Hydraulic anchor rod assembly drawing test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116773346A (en) * | 2023-08-18 | 2023-09-19 | 奥来国信（北京）检测技术有限责任公司 | Equipment and method for detecting drawing of outer wall heat insulation anchor bolt |
-
2023
- 2023-03-06 CN CN202320395812.5U patent/CN219348462U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116773346A (en) * | 2023-08-18 | 2023-09-19 | 奥来国信（北京）检测技术有限责任公司 | Equipment and method for detecting drawing of outer wall heat insulation anchor bolt |
| CN116773346B (en) * | 2023-08-18 | 2023-11-10 | 奥来国信（北京）检测技术有限责任公司 | Equipment and method for detecting drawing of outer wall heat insulation anchor bolt |
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