CN205189919U - A scalable stock tray for deep large deformation tunnel - Google Patents
A scalable stock tray for deep large deformation tunnel Download PDFInfo
- Publication number
- CN205189919U CN205189919U CN201521022229.1U CN201521022229U CN205189919U CN 205189919 U CN205189919 U CN 205189919U CN 201521022229 U CN201521022229 U CN 201521022229U CN 205189919 U CN205189919 U CN 205189919U
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- China
- Prior art keywords
- piston
- cylinder
- cylinder body
- large deformation
- anchor rod
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Abstract
The utility model discloses a scalable stock tray for deep large deformation tunnel, including stock, hydro -cylinder and hydraulic pump, the hydro -cylinder includes cylinder body and piston, the country rock is hugged closely to cylinder body bottom, the inside cavity hydraulic pressure chamber that be of cylinder body, and upper portion in the cylinder body is installed to the piston, and the piston closely pastes with the hydro -cylinder inner wall mutually can follow the slip of hydro -cylinder inner wall, and the bottom of cylinder body is equipped with the perforation, the fastening of the fastening nut for the one end of stock is in the outside of piston, during anchor anchor drilling is stretched into in perforation that the other end of stock passed piston, cylinder body bottom in proper order, be equipped with on the cylinder body with the hydraulic pressure oil pipe way of cavity hydraulic pressure chamber intercommunication, hydraulic pressure oil pipe says and links to each other with the hydraulic pump through oil pipe. The utility model discloses can adapt to the heavily stressed large deformation country rock condition in deep, for the tray provides sufficient intensity, can come to provide sufficient prestressing force for the stock through the control hydraulic pump during bolt installation(3), remove the operation of drawbench installation from, improve bolt installation(3)'s efficiency.
Description
Technical field
The utility model relates to anchor rod anchored field, particularly a kind of scalable anchor rod pallet board for deep roadway with large deformation.
Background technology
Along with to the increase of demand for energy and continuing to increase of mining rate, superficial part resource reduces day by day, and domestic and international mine enters deep resource exploitation state all in succession.Enter deep mining, not only buried depth increases, and geological conditions is increasingly complex also, and deep tunnel more presents instability problem, and particularly in deep engineering soft-rock tunnel, deformation of the surrounding rock in tunnel amount is large.Anchor pole is as the efficient supporting and protection structure of one, still be widely used in various roadway supporting system, for deep roadway with large deformation, the anchor pole be applicable under large deformation wall rock condition also arises at the historic moment, if publication No. is that CN104895597A name is called that the utility model patent of a kind of large deformation constant-resistance periodicity pressure-relieving achor bar and publication number are that CN104612730A name is called a kind of large deformation self adaptation anchor pole etc.
At present, most large deformation anchor rod research mainly concentrates on the scalability to anchor rod body.Generally speaking the large deformation anchor rod body of rod is extensible is divided into two classes, and a class is that the body of rod self material is extensible, and the requirement of this kind of anchor pole to material is higher, and the another kind of extension for the slip of bar structure element, this kind of anchor rod body structure is more complicated.Anchor rod pallet board is indispensable parts in bolt support, has very important impact to the supporting effect of anchor pole, is therefore necessary to study the scalability of anchor rod pallet board under deep large deformation condition.Have on a small quantity about the patent document of scalable anchor pole at present, if Authorization Notice No. is the utility model patent that CN202325584U name is called a kind of buffering energy-consumption anchor rod tray, overcome the deficiency of existing anchor rod pallet board Elastic penetration, but its insufficient strength, pallet is easily out of shape, and does not produce enough drag anchor power; Publication No. is the utility model patent that CN104373146A name is called a kind of constant-resistance anchor rod pallet board, adopt hydraulic means to absorb and discharge the sex change energy of country rock large deformation generation, but its hydraulic means is installed in the borehole, construction trouble, and oil emulsion does not have special pipeline to flow out, easily produce the effect of water reason with soft rock under large deformation condition, cause supporting difficult.
In addition current anchor rod drawing all needs external drawbench or drawing instrument, and installation is wasted time and energy, and even also may not reach requirement by prestressing force, and current anchor rod pallet board yet there are no this kind of function.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of structure simple, easy for installation, the practical scalable anchor rod pallet board for deep roadway with large deformation.
The technical scheme that the utility model solves the problem is: a kind of scalable anchor rod pallet board for deep roadway with large deformation, comprise anchor pole, oil cylinder and hydraulic pump, described oil cylinder comprises cylinder body and piston, described cylinder base is close to country rock, cylinder interior is hollow hydraulic chamber, piston is arranged on cylinder body internal upper part, piston and oil cylinder inner wall are closely affixed and can slide along oil cylinder inner wall, the bottom of cylinder body is provided with perforation, one end clamp nut of described anchor pole is fastened on the outside of piston, the other end of anchor pole is successively through piston, the perforation of cylinder base is stretched in armature boring, cylinder body is provided with the hydraulic oil pipeline be communicated with hollow hydraulic chamber, hydraulic oil pipeline is connected with hydraulic pump by oil pipe.
The above-mentioned scalable anchor rod pallet board for deep roadway with large deformation also comprises pallet video disc, and described pallet video disc to be sleeved on outside oil cylinder and to weld with oil cylinder, and country rock is close in the bottom of pallet video disc.
Above-mentioned in the scalable anchor rod pallet board of deep roadway with large deformation, described oil cylinder outer wall is provided with the fixture block moved up and down for limiting pallet video disc.
Above-mentioned in the scalable anchor rod pallet board of deep roadway with large deformation, the outlet of described hydraulic oil pipeline is arranged on the piston end of cylinder body, and near oil cylinder end.
Above-mentioned in the scalable anchor rod pallet board of deep roadway with large deformation, the exit of described hydraulic oil pipeline is provided with pressure-limiting check valve.
Above-mentioned in the scalable anchor rod pallet board of deep roadway with large deformation, described hydraulic pump there is pressure meter.
The beneficial effects of the utility model are:
1, cylinder interior of the present utility model is the hollow hydraulic chamber for filling oil emulsion, anchor pole drives piston movement thus oil emulsion in extruded hollow hydraulic cavities, the heavily stressed large deformation wall rock condition in deep is adapted to by the slip of piston in cylinder body, for pallet provides enough intensity, and can stretch with surrouding rock deformation condition;
2, the utility model can provide enough prestressing force by hydraulic control pump to anchor pole during rockbolt installation, eliminates the operation that drawbench is installed, improves the efficiency of rockbolt installation;
3, the utility model pressure meter be arranged on hydraulic pump can show the pressure suffered by anchor rod pallet board in real time, advantageously in the Real-Time Monitoring of country rock.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is upward view of the present utility model.
Fig. 3 is enforcement structure chart of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1-Figure 3, the utility model comprises anchor pole 1, oil cylinder 2, pallet video disc 3 and hydraulic pump 4, described oil cylinder 2 comprises cylinder body 23 and piston 20, country rock is close to bottom described cylinder body 23, cylinder body 23 inside is hollow hydraulic chamber 21, piston 20 is arranged on cylinder body 23 internal upper part, piston 20 and oil cylinder 2 inwall are closely affixed and can slide along oil cylinder 2 inwall, the bottom of cylinder body 23 is provided with perforation, one end clamp nut 10 of described anchor pole 1 is fastened on the outside of piston 20, the other end of anchor pole 1 is successively through piston 20, perforation bottom cylinder body 23 is stretched in armature boring, described pallet video disc 3 to be sleeved on outside oil cylinder 2 and to weld with oil cylinder 2, country rock is close in the bottom of pallet video disc 3, oil cylinder 2 outer wall is provided with fixture block 25, for restriction because the reasons such as welding make pallet video disc 3 move up and down, thus avoid pallet video disc 3 to be separated with oil cylinder 2, cylinder body 23 is provided with the hydraulic oil pipeline 22 be communicated with hollow hydraulic chamber 21, the outlet of described hydraulic oil pipeline 22 is arranged on the piston end of cylinder body 23, and near oil cylinder 2 end, the exit of hydraulic oil pipeline 22 is provided with pressure-limiting check valve 24, hydraulic oil pipeline 22 is connected with hydraulic pump 4 by oil pipe 5, described hydraulic pump 4 there is pressure meter 40.
Operating principle of the present utility model is as follows:
The principle of retractility: as shown in Figure 3, armature boring is got out with rig, cleaning boring, in hole, fill in Anchor Agent and anchor pole 1 successively and load onto this anchor rod pallet board at anchor pole 1 exposed junction, tighten clamp nut 10, install pressure-limiting check valve 24 in hydraulic oil pipeline 22 exit, connect hydraulic pump 4 and oil cylinder 2 by oil pipe 5, complete the installation of anchor pole 1; Along with the pulling force of the increase anchor pole 1 of surrouding rock stress increases, drive clamp nut 10 to country rock internal motion, now hollow hydraulic chamber 21 hydraulic pressure increases, oil emulsion is extruded feed liquor press pump 4, piston 20 also travels forward, owing to there being the existence of pressure-limiting check valve 24, in hollow hydraulic chamber 21, hydraulic pressure can not exceed certain value, thus makes anchor rod pallet board be in Telescoping.
The principle of Shi Hanzhang: get out armature boring with rig, cleaning boring, in hole, fill in Anchor Agent and anchor pole 1 successively and load onto this anchor rod pallet board at anchor pole 1 exposed junction, piston 20 is pasted country rock end near oil cylinder 2 as far as possible, tighten clamp nut 10, connect hydraulic pump 4 and oil cylinder 2 by oil pipe 5, complete the installation of anchor pole 1; Primer fluid press pump 4, oil emulsion enters hollow hydraulic chamber 21, drives piston 20 to away from country rock end motion, thus gives anchor pole 1 Shi Hanzhang, by viewing pressure meter 40, stops pressurization, complete prestressed applying when pressure reaches limit value.
Anchor stress monitoring principle: get out armature boring with rig, cleaning boring, fills in Anchor Agent and anchor pole 1 successively and loads onto this anchor rod pallet board at anchor pole 1 exposed junction, tightening clamp nut 10 in hole, connect hydraulic pump 4 and oil cylinder 2 by oil pipe 5, complete the installation of anchor pole 1; Primer fluid press pump 4, oil emulsion enters hollow hydraulic chamber 21, along with the pulling force of the increase anchor pole 1 of surrouding rock stress increases, drive clamp nut 10 to country rock internal motion, now hollow hydraulic chamber 21 hydraulic pressure increases, and oil emulsion is extruded feed liquor press pump 4, and piston 20 also travels forward, pressure meter 40 on hydraulic pump 4 can show the situation of pallet pressure in real time, thus monitoring reaches the stressed effect of monitoring anchor pole 1.
Above instantiation is only a kind of example preferably of the utility model, but not the utility model content is whole, and all equivalents done in the utility model scope, all will within the utility model protection domain.
Claims (6)
1. the scalable anchor rod pallet board for deep roadway with large deformation, comprise anchor pole, oil cylinder and hydraulic pump, it is characterized in that: described oil cylinder comprises cylinder body and piston, described cylinder base is close to country rock, cylinder interior is hollow hydraulic chamber, piston is arranged on cylinder body internal upper part, piston and oil cylinder inner wall are closely affixed and can slide along oil cylinder inner wall, the bottom of cylinder body is provided with perforation, one end clamp nut of described anchor pole is fastened on the outside of piston, the other end of anchor pole is successively through piston, the perforation of cylinder base is stretched in armature boring, cylinder body is provided with the hydraulic oil pipeline be communicated with hollow hydraulic chamber, hydraulic oil pipeline is connected with hydraulic pump by oil pipe.
2. the scalable anchor rod pallet board for deep roadway with large deformation according to claim 1, is characterized in that: also comprise pallet video disc, and described pallet video disc to be sleeved on outside oil cylinder and to weld with oil cylinder, and country rock is close in the bottom of pallet video disc.
3. the scalable anchor rod pallet board for deep roadway with large deformation according to claim 2, is characterized in that: described oil cylinder outer wall is provided with the fixture block moved up and down for limiting pallet video disc.
4. the scalable anchor rod pallet board for deep roadway with large deformation according to claim 1, is characterized in that: the outlet of described hydraulic oil pipeline is arranged on the piston end of cylinder body, and near oil cylinder end.
5. the scalable anchor rod pallet board for deep roadway with large deformation according to claim 4, is characterized in that: the exit of described hydraulic oil pipeline is provided with pressure-limiting check valve.
6. the scalable anchor rod pallet board for deep roadway with large deformation according to claim 1, is characterized in that: described hydraulic pump has pressure meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521022229.1U CN205189919U (en) | 2015-12-10 | 2015-12-10 | A scalable stock tray for deep large deformation tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521022229.1U CN205189919U (en) | 2015-12-10 | 2015-12-10 | A scalable stock tray for deep large deformation tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205189919U true CN205189919U (en) | 2016-04-27 |
Family
ID=55782919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521022229.1U Expired - Fee Related CN205189919U (en) | 2015-12-10 | 2015-12-10 | A scalable stock tray for deep large deformation tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205189919U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775254A (en) * | 2018-07-06 | 2018-11-09 | 石家庄铁路职业技术学院 | It is a kind of to reinforce the anchor pole for facing combination forever for tunnel structure |
| CN109372581A (en) * | 2018-12-14 | 2019-02-22 | 山东科技大学 | A kind of roof strata horizontal compression monitoring device and application method |
| CN109630163A (en) * | 2019-01-22 | 2019-04-16 | 湖南科技大学 | For roadway with large deformation or the support system and method for protecting support of tunnel surrounding reparation |
| CN109763851A (en) * | 2019-03-28 | 2019-05-17 | 中国矿业大学 | Have anchor force grading forewarning system and the reciprocal plastic deformation of tool allows the anchorage and method of pressure characteristic |
| CN109794751A (en) * | 2018-10-31 | 2019-05-24 | 山东东山古城煤矿有限公司 | A kind of coal Mine anchorage cable small powder recyclable device |
| CN109899098A (en) * | 2019-03-29 | 2019-06-18 | 中铁第四勘察设计院集团有限公司 | A kind of antidetonation pressure limiting anchor pole anchor head |
| CN109899098B (en) * | 2019-03-29 | 2024-04-30 | 中铁第四勘察设计院集团有限公司 | Anti-seismic pressure-limiting anchor rod anchor head |
-
2015
- 2015-12-10 CN CN201521022229.1U patent/CN205189919U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775254A (en) * | 2018-07-06 | 2018-11-09 | 石家庄铁路职业技术学院 | It is a kind of to reinforce the anchor pole for facing combination forever for tunnel structure |
| CN109794751A (en) * | 2018-10-31 | 2019-05-24 | 山东东山古城煤矿有限公司 | A kind of coal Mine anchorage cable small powder recyclable device |
| CN109372581A (en) * | 2018-12-14 | 2019-02-22 | 山东科技大学 | A kind of roof strata horizontal compression monitoring device and application method |
| CN109372581B (en) * | 2018-12-14 | 2023-11-14 | 山东科技大学 | Roof stratum horizontal extrusion force monitoring device and use method |
| CN109630163A (en) * | 2019-01-22 | 2019-04-16 | 湖南科技大学 | For roadway with large deformation or the support system and method for protecting support of tunnel surrounding reparation |
| CN109630163B (en) * | 2019-01-22 | 2023-12-15 | 湖南科技大学 | Supporting system and supporting method for repairing large-deformation roadway or tunnel surrounding rock |
| CN109763851A (en) * | 2019-03-28 | 2019-05-17 | 中国矿业大学 | Have anchor force grading forewarning system and the reciprocal plastic deformation of tool allows the anchorage and method of pressure characteristic |
| CN109763851B (en) * | 2019-03-28 | 2020-05-22 | 中国矿业大学 | Anchor with anchoring force grading early warning function and reciprocating flexible deformation yielding characteristic and method |
| WO2020191916A1 (en) * | 2019-03-28 | 2020-10-01 | 中国矿业大学 | Anchorage device with anchoring force graded early warning and reciprocating flexible deformation yielding characteristics, and method therefor |
| CN109899098A (en) * | 2019-03-29 | 2019-06-18 | 中铁第四勘察设计院集团有限公司 | A kind of antidetonation pressure limiting anchor pole anchor head |
| CN109899098B (en) * | 2019-03-29 | 2024-04-30 | 中铁第四勘察设计院集团有限公司 | Anti-seismic pressure-limiting anchor rod anchor head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20181210 |