CN110593920B - Temporary anti-impact supporting device capable of absorbing blasting vibration energy in driving roadway - Google Patents
Temporary anti-impact supporting device capable of absorbing blasting vibration energy in driving roadway Download PDFInfo
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- CN110593920B CN110593920B CN201910951530.7A CN201910951530A CN110593920B CN 110593920 B CN110593920 B CN 110593920B CN 201910951530 A CN201910951530 A CN 201910951530A CN 110593920 B CN110593920 B CN 110593920B
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- hydraulic oil
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- telescopic
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- 238000005422 blasting Methods 0.000 title claims abstract description 36
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 86
- 239000003921 oil Substances 0.000 claims abstract description 39
- 238000009412 basement excavation Methods 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 7
- 238000007906 compression Methods 0.000 claims abstract description 7
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 4
- 238000004880 explosion Methods 0.000 abstract description 4
- 230000005641 tunneling Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Actuator (AREA)
Abstract
The invention discloses a temporary anti-impact supporting device capable of absorbing blasting vibration energy in a driving tunnel, which comprises a telescopic sleeve, wherein a bidirectional hydraulic oil cylinder device is arranged in the telescopic sleeve, a controller is arranged on the surface of the outer side of the telescopic sleeve, an automatic impact adjusting type compression device is arranged at the center of the side surface of the telescopic sleeve, and supporting base devices are arranged at the upper end and the lower end of the telescopic sleeve. Impact is carried out on the impact baffle plate through impact force generated by tunnel excavation blasting, so that the impact baffle plate is subjected to force release through angle adjustment, the cylindrical fixing head is inserted into the inner wall of the tunnel, the friction force between the device and the inner wall of the tunnel is increased, the device is fixed more stably, and meanwhile, the impact baffle plate is provided with the ventilating pressure release holes, so that the device can be effectively prevented from toppling due to explosion impact; the hydraulic oil cylinder is adjusted to inject oil into the set hydraulic oil cylinder again, so that the pressure between the supporting seat and the inner wall of the roadway is enough, and the roadway tunneling work is safely carried out.
Description
Technical Field
The invention relates to the field of roadway support related equipment, in particular to a temporary anti-impact support device capable of absorbing blasting vibration energy in a driving roadway.
Background
The well and tunnel engineering refers to the general term of various channels and chambers excavated underground for mining and building other projects, and the well and tunnel excavation blasting includes horizontal (inclined) tunnel excavation blasting, shaft excavation blasting and chamber excavation blasting. They are widely used in mine, water conservancy and hydropower, large-scale oil depot and other projects. The biggest characteristic of the roadway driving blasting operation is that only one free surface is provided, which determines that the depth of a blast hole is difficult to deepen in the roadway driving blasting.
In patent CN201710334917.9, an auxiliary supporting device for coal mine roadway excavation can achieve the effect of supporting while excavating during the roadway excavation process, and can degrade dust by spraying water mist during the excavation process, and the auxiliary supporting component can achieve the auxiliary support of the supporting beam, the supporting angle is adjustable, the supporting is flexible, and a movable counterweight is further provided, so that the supporting and excavating effects of the device are ensured, and the balance of the device during the supporting and excavating processes is ensured.
However, when blasting and driving a roadway, the impact force generated by blasting is unstable, so that the support device is easily toppled due to the overlarge impact force, and the support device cannot be safely used.
Disclosure of Invention
The invention aims to solve the problems and designs a temporary anti-impact supporting device capable of absorbing blasting vibration energy in a driving roadway.
The technical scheme of the invention is that the temporary anti-impact supporting device capable of absorbing blasting vibration energy in a driving roadway comprises a telescopic sleeve, wherein a bidirectional hydraulic oil cylinder device is arranged in the telescopic sleeve, a controller is arranged on the surface of the outer side of the telescopic sleeve, an automatic impact adjusting type compression device is arranged at the center of the side surface of the telescopic sleeve, and supporting base devices are arranged at the upper end and the lower end of the telescopic sleeve;
the automatic-adjustment impact type compression device comprises a fixed support arranged at the center of the outer side surface of the telescopic sleeve, a fixed shaft is arranged at one side of the fixed support, fixed bearings are arranged at the upper end and the lower end of the fixed shaft, an impact baffle is arranged at one side of the fixed support and is connected with the fixed bearings through a bearing seat, movable seats are arranged at two ends of one side of the side surface of the impact baffle, adjustment hydraulic cylinders are arranged at the upper side and the lower side of the center of the outer side surface of the telescopic sleeve, the telescopic ends of the adjustment hydraulic cylinders are fixedly connected with the movable seats, a hydraulic oil pipe is arranged at one end of each adjustment hydraulic oil cylinder, a bypass pipe is arranged on each hydraulic oil pipe, two ends of each bypass pipe are respectively connected with the hydraulic oil pipes through a three-, the one-way oil valve is positioned between the two three-way joints;
the supporting base device comprises two supporting seats, wherein fixing through grooves are formed in two ends of the side surface of each supporting seat, a plurality of fixing holes are formed in the fixing through grooves and are uniformly distributed in the fixing through grooves, fixing bottom plates are arranged in the fixing through grooves and are in sliding connection with the fixing through grooves, a plurality of conical fixing heads are arranged on the upper surface of the upper fixing bottom plate and the lower surface of the lower fixing bottom plate and are uniformly distributed on the fixing bottom plates, the fixing holes correspond to the conical fixing heads one by one, hydraulic telescopic cylinders are arranged at four corners of the lower surface of the upper fixing bottom plate and the upper surface of the lower fixing bottom plate and are respectively and fixedly connected with one of the hydraulic oil pipes through a hydraulic oil branch pipe, and fixing platforms are arranged at the lower ends of the upper four hydraulic telescopic cylinders and the upper ends of the lower four hydraulic telescopic cylinders, the fixed platform is connected with the supporting seat through a connecting rod.
Two-way hydraulic cylinder device includes two hydraulic cylinder are installed at both ends about telescopic sleeve is inside, two hydraulic cylinder's flexible end respectively with supporting seat fixed connection, two hydraulic cylinder pass through two fixed connection of hydraulic oil branch pipe with another hydraulic pressure oil pipe's one end respectively, install hydraulic tank between two hydraulic cylinder, an oil pipe is installed to hydraulic tank lower surface one end, install hydraulic oil pump on the oil pipe, two oil outlet branch pipes are installed to oil pipe one end, two oil outlet branch pipes respectively with hydraulic cylinder fixed connection, install the solenoid valve on the oil outlet branch pipe, oil pressure sensor is installed to solenoid valve one side.
The supporting baffle is installed to the supporting seat outer end of top, the upper surface of supporting baffle flushes with the upper surface of supporting seat.
And when the impact baffle works normally, the impact baffle is vertical to the impact force generated by blasting.
The supporting seat lower surface four corners department of below opens there is the slip recess, install electric telescopic handle in the slip recess, the movable pulley is installed to electric telescopic handle's flexible end.
The side surfaces of the supporting seat above and the supporting seat below are both provided with conical anti-skid lines.
The rotation angle of the impact baffle is 0-45 degrees.
The impact baffle is provided with a plurality of air-permeable pressure-relief holes, and the air-permeable pressure-relief holes are uniformly distributed on the impact baffle.
The temporary anti-impact supporting device capable of absorbing blasting vibration energy for the driving roadway, which is manufactured by the technical scheme of the invention, has the following beneficial effects:
according to the anti-impact supporting device, the impact baffle is impacted by impact force generated by roadway tunneling blasting, the impact baffle is subjected to force relief through angle adjustment, so that the impact baffle is extruded to adjust the hydraulic oil cylinder, hydraulic oil in the adjusting hydraulic oil cylinder pushes the fixed bottom plate to move, the cylindrical fixing head is inserted into the inner wall of the roadway, the friction force between the device and the inner wall of the roadway is increased, the device is fixed more stably, and meanwhile, the impact baffle is provided with the ventilating pressure relief holes, so that the phenomenon that the device is toppled due to explosion impact can be effectively guaranteed;
this scour protection supporting device is through adjusting hydraulic cylinder oiling once more in to the hydraulic cylinder that sets up, makes the interior oil pressure of hydraulic cylinder increase once more to guarantee that the pressure between supporting seat and the tunnel inner wall is enough, effectually support the tunnel inner wall, thereby make going on of tunnelling work safety.
Drawings
Fig. 1 is a schematic view of a temporary anti-impact support device capable of absorbing blasting vibration energy for driving a roadway according to the invention;
FIG. 2 is a top view of the impingement baffle of the present invention;
FIG. 3 is a schematic view of the adjusting hydraulic cylinder of the present invention;
in the figure, 1, a telescopic sleeve; 2. a controller; 3. fixing a bracket; 4. a fixed shaft; 5. fixing the bearing; 6. impacting the baffle plate; 7. a bearing seat; 8. a movable seat; 9. adjusting a hydraulic oil cylinder; 10. a hydraulic oil pipe; 11. a bypass pipe; 12. a three-way joint; 13. releasing the valve; 14. a one-way oil valve; 15. a supporting seat; 16. fixing the through groove; 17. a fixing hole; 18. fixing the bottom plate; 19. a conical fixing head; 20. a hydraulic telescopic cylinder; 21. a first hydraulic oil branch pipe; 22. a fixed platform; 23. a connecting rod; 24. a second hydraulic oil branch pipe; 25. a hydraulic oil tank; 26. an oil outlet pipe; 27. a hydraulic oil pump; 28. an oil outlet branch pipe; 29. an electromagnetic valve; 30. an oil pressure sensor; 31. a support baffle; 32. a sliding groove; 33. an electric telescopic rod; 34. a sliding wheel; 35. a venting pressure relief hole; 36. a hydraulic cylinder.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings, as shown in FIGS. 1-3, in this embodiment:
in the device, the device is connected with an external power supply for supplying power, the external power supply is electrically connected with the controller 2, the hydraulic oil pump 27, the electromagnetic valve 29 and the electric telescopic rod 33 for supplying power, the model of the controller 2 is an AX3U-16MR-001 PLC, a control signal output end of the controller 2 is respectively electrically connected with the hydraulic oil pump 27, the electromagnetic valve 29 and the electric telescopic rod 33 through a relay, and a signal receiving end of the controller 2 is electrically connected with a signal transmitting end of the oil pressure sensor 30, so that the operation of the whole device is controlled.
The invention is characterized in that the automatic adjusting impact type compression device and the supporting base device are structurally designed, and by combining the attached drawings 1, 2 and 3, the automatic adjusting impact type compression device comprises a fixed support 3 arranged at the center of the outer side surface of a telescopic sleeve 1, a fixed shaft 4 is arranged at one side of the fixed support 3, fixed bearings 5 are arranged at the upper end and the lower end of the fixed shaft 4, an impact baffle 6 is arranged at one side of the fixed support 3, the impact baffle 6 is connected with the fixed bearings 5 through a bearing seat 7, movable seats 8 are arranged at two ends of one side surface of the impact baffle 6, adjusting hydraulic oil cylinders 9 are arranged at the upper end and the lower end of the center of the outer side surface of the telescopic sleeve 1, the telescopic ends of the adjusting hydraulic oil cylinders 9 are fixedly connected with the movable seats 8, a hydraulic oil pipe 10 is arranged at one end of the adjusting hydraulic oil cylinder 9, bypass, a release valve 13 is installed on the bypass pipe 11, a one-way oil valve 14 is installed on the hydraulic oil pipe 10, and the one-way oil valve 14 is located between the two three-way joints 12; the supporting base device comprises two supporting bases 15, wherein fixing through grooves 16 are formed in two ends of the side surface of each supporting base 15, a plurality of fixing holes 17 are formed in each fixing through groove 16, the fixing holes 17 are uniformly distributed in the corresponding fixing through grooves 16, fixing bottom plates 18 are arranged in the corresponding fixing through grooves 16, the fixing bottom plates 18 are in sliding connection with the corresponding fixing through grooves 16, a plurality of conical fixing heads 19 are respectively arranged on the upper surfaces of the upper fixing bottom plates 18 and the lower surfaces of the lower fixing bottom plates 18, the conical fixing heads 19 are uniformly distributed on the fixing bottom plates 18, the fixing holes 17 correspond to the conical fixing heads 19 one by one, hydraulic telescopic cylinders 20 are respectively arranged at the lower surfaces of the upper fixing bottom plates 18 and the four corners of the upper surfaces of the lower fixing bottom plates 18, the hydraulic telescopic cylinders 20 are respectively and fixedly connected with one of the hydraulic oil pipes 10 through hydraulic oil branch pipes 21, and fixing platforms 22 are respectively arranged at the, the fixed platform 22 is connected with the supporting seat 15 through a connecting rod 23; impact force through the blasting production drives impact baffle 6 and rotates, thereby make the hydraulic oil of adjusting in the hydraulic cylinder 9 inject into hydraulic telescoping cylinder 20 through one-way fuel tap 14 in, thereby make conical fixed head 19 stretch out from supporting seat 15, thereby contact through conical fixed head 19 and tunnel inner wall, frictional force between device and the tunnel inner wall has been increased, make fixing that the device can be more firm, the effectual too big problem that leads to the device to take place the skew or empty of explosion impact of having avoided, make the device can effectually protect the tunnel, simultaneously through the release valve 13 that sets up on bypass pipe 11, can make the recovery normal position that the device can be quick, thereby wait for next use.
The utility model provides a creation point lies in the structural design that the secondary hydraulic pressure that the explosion impact produced supports, after the device supports and finishes, when tunneling through the blasting, the impact force that the blasting produced drives impact baffle 6 and carries out angle modulation, thereby make the hydraulic oil of adjusting in the hydraulic cylinder 9 enter into hydraulic cylinder 36 through two 24 hydraulic oil branch pipes, thereby to the inside oiling once more of hydraulic cylinder 36, thereby strengthen the pressure of device and tunnel inner wall, make fixing in the tunnel that the device can be stable, thereby make the device can effectually carry out tunnel support work.
In this device, two-way hydraulic cylinder device passes through hydraulic oil pump 27 and carries hydraulic cylinder 36 with the hydraulic oil in the hydraulic tank 25 in to quick tunnel support work that carries on makes hydraulic cylinder 36 prop up supporting seat 15 fast, the effectual tunnel of having solved takes place the problem of collapsing, and control the business turn over of hydraulic oil through solenoid valve 29, detect the oil pressure of hydraulic oil through oil pressure sensor 30 simultaneously, thereby make the device use at safe within range.
The working principle of the device is as follows: when the device needs to be used, the device is pushed to a roadway supporting position, and at the moment, the device is connected with an external power supply;
controlling the electric telescopic rod 33 to contract, wherein the electric telescopic rod 33 drives the sliding wheel 34 to contract into the supporting seat 15, and at the moment, the supporting seat 15 is contacted with the ground in the roadway through the self gravity of the device;
at the moment, the hydraulic oil pump 27 is controlled to start working, the hydraulic oil pump 27 pumps hydraulic oil out of the hydraulic oil tank 25, the hydraulic oil is injected into the oil outlet branch pipe 28 through the oil outlet pipe 26, the electromagnetic valve 29 is opened, the hydraulic oil enters the hydraulic oil cylinder 36 through the oil outlet branch pipe 28, so that the hydraulic oil cylinder 36 stretches, the hydraulic oil cylinder 36 drives the supporting seat 15 to start adjusting, and the supporting seat 15 above the supporting seat is in contact with the top of the roadway;
at this time, with the continuous injection of the hydraulic oil, after the hydraulic oil cylinder 36 is contacted with the top of the roadway, the oil pressure of the hydraulic oil in the hydraulic oil cylinder 36 is gradually increased, the oil pressure of the hydraulic oil is detected through the oil pressure sensor 30, when the oil pressure of the hydraulic oil reaches a set value, the control electromagnetic valve 29 is closed, the hydraulic oil pump 27 is controlled to stop working, and at this time, the device starts to support and protect the roadway;
when the hydraulic oil pump 27 works, an operator manually opens the two release valves 13 to enable hydraulic oil to enter one of the adjusting hydraulic cylinders 9 through the second hydraulic oil branch pipe 24, the adjusting hydraulic cylinder 9 pushes the impact baffle 6 to adjust the angle, the front face of the impact baffle 6 faces the blasting position, the impact baffle 6 drives the other adjusting hydraulic cylinder 9 to extend out when adjusted, the adjusting hydraulic cylinder 9 extracts the hydraulic oil from the hydraulic telescopic cylinder 20, the hydraulic oil is extracted from the hydraulic telescopic cylinder 20 and conveyed into the adjusting hydraulic cylinder 9 through the first hydraulic oil branch pipe 21, and after the impact baffle 6 is adjusted to a proper position, the release valves are controlled to be closed;
when blasting is started, impact force generated by blasting contacts with the impact baffle 6, so that the impact baffle 6 is pushed to start angle adjustment, meanwhile, the impact force generated by blasting is decompressed through the ventilating and pressure releasing holes 35, so that the device is prevented from toppling over due to overlarge stress, when the angle of the impact baffle 6 is adjusted, the hydraulic oil cylinder 9 is pushed to start contraction, and hydraulic oil in the hydraulic oil cylinder 9 is pushed by the impact force generated by blasting, so that the hydraulic oil is respectively injected into the hydraulic oil cylinder 36 and the hydraulic telescopic cylinder 20, and meanwhile, backflow is prevented through the one-way oil valve 14;
after hydraulic oil is injected into the hydraulic oil cylinder 36, the oil pressure of the hydraulic oil in the hydraulic oil cylinder 36 is increased again, so that the pressure between the device and the inner wall of the roadway is increased, the device is fixed more stably, meanwhile, after the hydraulic oil is injected into the hydraulic telescopic cylinder 20, the hydraulic telescopic cylinder 20 pushes the fixed bottom plate 18 to start to rise, the fixed bottom plate 18 rises to drive the conical fixed head 19 to be inserted into the fixed hole 17, so that the conical fixed head 19 is in contact with the inner wall of the roadway and is simultaneously inserted into the inner wall of the roadway, the friction force between the supporting seat 15 and the inner wall of the roadway is increased, the device is fixed more stably, and the supporting safety of the roadway is ensured;
after the supporting is finished, the hydraulic oil pump 27 is controlled to work reversely, the control electromagnetic valve 29 is opened, and the release valve 13 is opened manually, so that the hydraulic oil pump 27 draws hydraulic oil from the hydraulic oil cylinder 36, the control device stops working after the drawing is finished, the electric telescopic rod 33 is controlled to extend out, the sliding wheel 34 supports the device, and a worker can push the device to a next working place to work again.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (8)
1. A temporary anti-impact supporting device capable of absorbing blasting vibration energy in a driving roadway comprises a telescopic sleeve (1), wherein a bidirectional hydraulic oil cylinder device is installed inside the telescopic sleeve (1), and a controller (2) is installed on the surface of the outer side of the telescopic sleeve (1), and is characterized in that an automatic impact adjusting type compression device is arranged at the center of the side surface of the telescopic sleeve (1), and supporting base devices are arranged at the upper end and the lower end of the telescopic sleeve (1);
the automatic-adjustment impact type compression device comprises a fixed support (3) arranged at the center of the outer side surface of a telescopic sleeve (1), a fixed shaft (4) is installed on one side of the fixed support (3), fixed bearings (5) are installed at the upper end and the lower end of the fixed shaft (4), an impact baffle (6) is arranged on one side of the fixed support (3), the impact baffle (6) is connected with the fixed bearings (5) through a bearing seat (7), movable seats (8) are installed at the two ends of one side surface of the impact baffle (6), adjusting hydraulic cylinders (9) are installed at the upper end and the lower end of the center of the outer side surface of the telescopic sleeve (1), the telescopic ends of the adjusting hydraulic cylinders (9) are fixedly connected with the movable seats (8), a hydraulic oil pipe (10) is installed at one end of the adjusting hydraulic oil cylinder (9), and a bypass, two ends of the bypass pipe (11) are respectively connected with the hydraulic oil pipe (10) through three-way joints (12), a release valve (13) is installed on the bypass pipe (11), a one-way oil valve (14) is installed on the hydraulic oil pipe (10), and the one-way oil valve (14) is located between the two three-way joints (12);
the supporting base device comprises two supporting bases (15), two ends of the side surface of each supporting base (15) are provided with a fixed through groove (16), a plurality of fixing holes (17) are formed in the fixed through groove (16), the fixing holes (17) are uniformly distributed in the fixed through groove (16), a fixing bottom plate (18) is arranged in the fixed through groove (16), the fixing bottom plate (18) is connected with the fixed through groove (16) in a sliding mode, the upper surface of the fixing bottom plate (18) above and the lower surface of the fixing bottom plate (18) below are respectively provided with a plurality of conical fixing heads (19), the conical fixing heads (19) are uniformly distributed on the fixing bottom plate (18), the fixing holes (17) are in one-to-one correspondence with the conical fixing heads (19), and hydraulic telescopic cylinders (20) are respectively arranged at four corners of the lower surface of the fixing bottom plate (18) above and the upper surface of the fixing bottom plate, the hydraulic telescopic cylinder (20) is fixedly connected with one of the hydraulic oil pipes (10) through a hydraulic oil branch pipe I (21), the lower ends of the four hydraulic telescopic cylinders (20) above and the upper ends of the four hydraulic telescopic cylinders (20) below are provided with a fixed platform (22), and the fixed platform (22) is connected with the supporting seat (15) through a connecting rod (23).
2. The temporary impact-resistant support device capable of absorbing blasting vibration energy in a driving roadway according to claim 1, wherein the bidirectional hydraulic cylinder device comprises the telescopic sleeve (1), two hydraulic cylinders (36) are mounted at the upper end and the lower end inside the telescopic sleeve, the telescopic ends of the two hydraulic cylinders (36) are respectively fixedly connected with a support seat (15), the two hydraulic cylinders (36) are respectively fixedly connected with one end of another hydraulic oil pipe (10) through a second hydraulic oil branch pipe (24), a hydraulic oil tank (25) is mounted between the two hydraulic cylinders (36), an oil outlet pipe (26) is mounted at one end of the lower surface of the hydraulic oil tank (25), a hydraulic oil pump (27) is mounted on the oil outlet pipe (26), two oil outlet branch pipes (28) are mounted at one end of the oil outlet pipe (26), and the two oil outlet branch pipes (28) are respectively fixedly connected with the hydraulic oil cylinders (36), the oil outlet branch pipe (28) is provided with an electromagnetic valve (29), and one side of the electromagnetic valve (29) is provided with an oil pressure sensor (30).
3. The temporary anti-impact support device capable of absorbing blasting vibration energy for the excavation roadway according to claim 1, wherein a supporting baffle (31) is installed at the outer end of the upper supporting seat (15), and the upper surface of the supporting baffle (31) is flush with the upper surface of the supporting seat (15).
4. The temporary impact-prevention supporting device capable of absorbing blasting vibration energy in a driving tunnel according to claim 1, wherein the impact baffle (6) is perpendicular to the impact force generated by blasting when in normal operation.
5. The temporary impact-prevention supporting device capable of absorbing blasting vibration energy in a driving roadway according to claim 1, wherein four corners of the lower surface of the lower supporting seat (15) are provided with sliding grooves (32), an electric telescopic rod (33) is installed in each sliding groove (32), and a sliding wheel (34) is installed at the telescopic end of each electric telescopic rod (33).
6. The temporary impact-prevention support device capable of absorbing blasting vibration energy for the excavation roadway according to claim 1, wherein the side surfaces of the upper support seat (15) and the lower support seat (15) are provided with tapered anti-slip threads.
7. The temporary anti-impact support device capable of absorbing blasting vibration energy for driving a roadway according to claim 1, wherein the rotation angle of the impact baffle (6) is 0-45 °.
8. The temporary impact-prevention supporting device capable of absorbing blasting vibration energy in a driving roadway according to claim 1, wherein a plurality of air-permeable pressure-relief holes (35) are formed in the impact baffle (6), and the air-permeable pressure-relief holes (35) are uniformly distributed in the impact baffle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951530.7A CN110593920B (en) | 2019-10-08 | 2019-10-08 | Temporary anti-impact supporting device capable of absorbing blasting vibration energy in driving roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951530.7A CN110593920B (en) | 2019-10-08 | 2019-10-08 | Temporary anti-impact supporting device capable of absorbing blasting vibration energy in driving roadway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110593920A CN110593920A (en) | 2019-12-20 |
| CN110593920B true CN110593920B (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910951530.7A Expired - Fee Related CN110593920B (en) | 2019-10-08 | 2019-10-08 | Temporary anti-impact supporting device capable of absorbing blasting vibration energy in driving roadway |
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| Country | Link |
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| CN (1) | CN110593920B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2030437B1 (en) * | 2022-01-05 | 2023-07-10 | Univ Liaoning Technical | Support-spallation integrated system for preventing damage of surrounding rock of roadway by rock burst |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4231672A (en) * | 1978-06-29 | 1980-11-04 | Charbonnages De France | Heavy duty adjustable prop with a ball-and-socket joint |
| CN102996146A (en) * | 2012-12-28 | 2013-03-27 | 太原科技大学 | Early warning hydraulic prop device |
| CN103195451A (en) * | 2013-03-12 | 2013-07-10 | 合肥工业大学 | Cushioning and vibration damping device for support of intelligent well |
| CN105041350A (en) * | 2015-06-02 | 2015-11-11 | 辽宁工程技术大学 | Hydraulic prop having anchoring force energy-absorbing buffering function |
| CN208534507U (en) * | 2018-06-23 | 2019-02-22 | 李宝奎 | A kind of anti-collapse bracket of coal mining |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9249663B2 (en) * | 2009-02-27 | 2016-02-02 | Fci Holdings Delaware, Inc. | Impact resistant lagging, method for designing impact resistant lagging, and apparatus for testing impact resistant lagging |
-
2019
- 2019-10-08 CN CN201910951530.7A patent/CN110593920B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4231672A (en) * | 1978-06-29 | 1980-11-04 | Charbonnages De France | Heavy duty adjustable prop with a ball-and-socket joint |
| CN102996146A (en) * | 2012-12-28 | 2013-03-27 | 太原科技大学 | Early warning hydraulic prop device |
| CN103195451A (en) * | 2013-03-12 | 2013-07-10 | 合肥工业大学 | Cushioning and vibration damping device for support of intelligent well |
| CN105041350A (en) * | 2015-06-02 | 2015-11-11 | 辽宁工程技术大学 | Hydraulic prop having anchoring force energy-absorbing buffering function |
| CN208534507U (en) * | 2018-06-23 | 2019-02-22 | 李宝奎 | A kind of anti-collapse bracket of coal mining |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2030437B1 (en) * | 2022-01-05 | 2023-07-10 | Univ Liaoning Technical | Support-spallation integrated system for preventing damage of surrounding rock of roadway by rock burst |
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|---|---|
| CN110593920A (en) | 2019-12-20 |
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