CN202596754U - Automatic anchor cable tensioning instrument - Google Patents
Automatic anchor cable tensioning instrument Download PDFInfo
- Publication number
- CN202596754U CN202596754U CN 201220262501 CN201220262501U CN202596754U CN 202596754 U CN202596754 U CN 202596754U CN 201220262501 CN201220262501 CN 201220262501 CN 201220262501 U CN201220262501 U CN 201220262501U CN 202596754 U CN202596754 U CN 202596754U
- Authority
- CN
- China
- Prior art keywords
- loop
- power source
- jack
- outlet
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model provides an automatic anchor cable tensioning instrument, which is used for underground coal mine fully-mechanized excavating operation. The tensioning instrument consists of two power source cylinders, a lifting jack and two parallel loops, wherein one loop consists of a first inlet loop, a first outlet loop and a first valve bank, and the other loop consists of a second inlet loop, a second outlet loop and a second valve bank; two ends of the first inlet loop are respectively connected with an outlet of one power source cylinder and an inlet of the lifting jack; two ends of the first outlet loop are respectively connected with an inlet of the power source cylinder and an outlet of the lifting jack; two ends of the second inlet loop are respectively connected with an outlet of the other power source cylinder and the inlet of the lifting jack; two ends of the second outlet loop are respectively connected with an inlet of the power source cylinder and the outlet of the lifting jack; and the first valve bank and the second valve bank are interlocked with each other. By the automatic anchor cable tensioning instrument, the anchor cable is timely subjected to primary pre-tightening and secondary fastening, a scaffold is not required to be erected, the multi-process parallel operation requirements of the underground coal mine fully-mechanized excavating operation can be met, and the operating safety is improved.
Description
Technical field
The utility model relates to a kind of anchorage cable stretching appearance, relates in particular to a kind of automatic anchorage cable stretching appearance that is used for combining under the coal mine pick bolting with wire mesh and bolt-spary supports.
Background technology
Under coal mine, combine in pick bolting with wire mesh and the bolt-spary supports engineering, for guaranteeing workmanship, need be through anchor cable being had certain prestressed stretch-draw appearance carry out fastening and detecting to the anchor cable after installing.In the prior art; Manually anchorage cable stretching appearance and pneumatic anchorage cable stretching appearance are more commonly used; But manually the anchorage cable stretching appearance is owing to adopt manually-operated; And need set up scaffold during the stretch-draw anchor cable, and have that labour intensity is big, construction speed slow, have problem such as potential safety hazard, incompatiblely combine the pick construction at present; Though pneumatic anchorage cable stretching appearance has reduced labour intensity, has improved construction speed, also need set up scaffold, has potential safety hazard equally; In addition, above-mentioned two kinds of anchorage cable stretching appearance can not satisfy the requirement of combining the parallel operations of pick construction multiple operation, and it is fastening with secondary to carry out first timely and effectively pretension to anchor cable, are unfavorable for that Roadway Roof manages, and have great safety risk.
The utility model content
The utility model provides a kind of automatic anchorage cable stretching appearance; Be used to overcome defective of the prior art; Realize in time anchor cable being carried out first pretension and secondary fastening; And need not set up scaffold, can satisfy and combine the parallel cross-operation requirement of pick construction multiple operation under the coal mine, improve the safety of operation greatly.
The automatic anchorage cable stretching appearance that the utility model provides is made up of two loops of two power source cylinder bodies, jack and parallel connection; One of them said loop is made up of the first entering loop and the first discharge loop and the first valve group, and another said loop is made up of the second entering loop and the second discharge loop and the second valve group; The two ends in the said first entering loop connect the import of one of them power source cylinder body outlet and jack respectively, and the two ends in the said first discharge loop connect the outlet of this power source cylinder body import and jack respectively; The two ends in the said second entering loop connect the import of another power source cylinder body outlet and jack respectively, and the two ends in the said second discharge loop connect the outlet of this power source cylinder body import and jack respectively; The said first valve group and the second valve group interlocking.
Further, the said first valve group is made up of two valves, and one of them valve is connected in the first entering loop, and another valve is connected in the first discharge loop; The said second valve group is made up of two valves, and one of them valve is connected in the second entering loop, and another valve is connected in the second discharge loop.
Wherein, two said power source cylinder bodies are hydraulic jack or cylinder.
Particularly, one of them is hydraulic jack for two said power source cylinder bodies, and another is a cylinder, and said jack is two-way jack.
One of them power source cylinder body of automatic anchorage cable stretching appearance of the utility model is accomplished the first pretension to anchor cable through the first drive circuit jack; Another power source cylinder body is in time accomplished fastening to the secondary of anchor cable through the second drive circuit jack; And need not set up scaffold; Can satisfy and combine the parallel cross-operation requirement of pick construction multiple operation under the coal mine, improve the safety and the construction speed of operation greatly.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two.
The specific embodiment
Embodiment one
The utility model provides a kind of automatic anchorage cable stretching appearance, and is as shown in Figure 1, and this stretch-draw appearance is made up of first loop 4, second loop 5 of the first power source cylinder body 1, the second power source cylinder body 2, jack 3 and parallel connection; Wherein first loop 4 is made up of the first entering loop 41 and the first discharge loop 42 and the first valve group 43, and second loop 5 is made up of the second entering loop 51 and the second discharge loop 52 and the second valve group 53; The two ends in the first entering loop 41 connect the import of 1 outlet of the first power source cylinder body and jack 3 respectively, and the two ends in the first discharge loop 42 connect the outlet of 1 import of power source cylinder body and jack 3 respectively; The two ends in the second entering loop 51 connect the import of 2 outlets of the second power source cylinder body and jack 3 respectively, and the two ends in the second discharge loop 52 connect the outlet of 2 imports of the second power source cylinder body and jack 3 respectively; The first valve group 43 and 53 interlockings of the second valve group.The specific embodiment as present embodiment; The first entering loop 41, the second entering loop 51 can be connected through tee junction 6 with the import of jack 3; Equally, the first discharge loop 42, the second discharge loop 52 also can be connected through tee junction 6 with the outlet of jack 3.
The first power source cylinder body 1 drives jack through first loop 4 and accomplishes the first pretension to anchor cable, and the second power source cylinder body 2 is accomplished fastening to the secondary of anchor cable through second loop, 5 driving jack, realize the parallel cross-operation of multiple operation; Detailed process is following: the first valve group, 43 actions, the second valve group, 53 lockings simultaneously, and the first entering loop 41 charges into the power source medium through the import of jack in the jack cylinder body, and jack 3 pistons bring out cylinder; The piston end of jack 3 is penetrated anchor cable, and the tight anchor cable of anchor can be established pressure meter and show pressure on the first power source cylinder body 1 automatically; After pressure reached the design initial value, the first valve group 43 was moved once more, and the power source medium in the jack cylinder body is through its outlet; Flow back in the first power source cylinder body 1 through the first discharge loop 42 again; Jack 3 piston ends are received cylinder, move back anchor automatically, accomplish the first pretension of anchor cable.
The second valve group, 53 actions, the first valve group, 43 lockings simultaneously, the second entering loop 51 charges into the power source medium through the import of jack in the jack cylinder body, and jack 3 pistons bring out cylinder; The piston end of jack 3 is penetrated anchor cable, and the tight anchor cable of anchor can be established pressure meter and show pressure on the second power source cylinder body 2 automatically; After pressure reached the design initial value, the second valve group 53 was moved once more, and the power source medium in the jack cylinder body is through its outlet; Flow back in the second power source cylinder body 2 through the second discharge loop 52 again; Jack 3 piston ends are received cylinder, move back anchor automatically, accomplish the parallel cross-operation of multiple operation and fastening to the secondary of anchor cable.The first power source cylinder body 1 and the second power source cylinder body 2 can be hydraulic jack; Also can be cylinder; Can also one of them be hydraulic jack, another be a cylinder.Conveniently utilize existing hydraulic system and mine compressed air system power to be provided for the automatic anchorage cable stretching appearance of the utility model.
Because of the fastening required active force of secondary (about 350KN) much larger than the required active force of first pretension (about 90KN); Therefore; Usually fastening two actions of first pretension and secondary can't be accomplished at existing pneumatic anchor cable tensioning appearance, the parallel cross-operation of multiple operation can't be satisfied.Compared with prior art, the utility model can be a power source with the compressed-air system in fully-mechanized digging machine hydraulic system and the mine, and substituting existing is the anchorage cable stretching facility of power source with the high pressure manual two-way oil pump; Be applicable to that coal road, rock gangway combine in the pick construction, can realize first pretension and the secondary of anchor cable fasteningly, improve greatly to combine and dig efficiency of construction and cable bolting safety; Have simple in structurely simultaneously, for ease of maintenaince durable in use, volume is little, the advantage of being convenient to place.
Embodiment two
On the basis of embodiment one, as shown in Figure 2, the first valve group is made up of valve 431 and valve 432, and wherein valve 431 is connected in the first entering loop 41, and valve 432 is connected in the first discharge loop 42; The second valve group is made up of valve 531 and valve 532, and wherein valve 531 is connected in the second entering loop 51, and valve 532 is connected in the second discharge loop 52; The first power source cylinder body 1 is a hydraulic oil pump in the present embodiment, and the second power source cylinder body 2 is a cylinder, and jack 3 is two-way jack, and the two-way jack here refers to hydraulic dual power source jack.
When concrete the use; Existing fully-mechanized digging machine hydraulic system capable of using is to the first power source cylinder body, 1 fuel feeding; Utilize existing mine compressed air system to the second power source cylinder body, 2 air feed; So that to combine the pick operation be example the down-hole in colliery the concrete use of present embodiment is described below; Through the fully-mechanized digging machine hydraulic system to the first power source cylinder body, 1 fuel feeding, for control the fully-mechanized digging machine hydraulic system according to certain procedure to other system of fully-mechanized digging machine and the first power source cylinder body, 1 fuel feeding, need be in first loop stop valve group (constituting) of attended operation valve group 71 and fully-mechanized digging machine walking hydraulic circuit by stop valve 72 and stop valve 73; The oil-in 10 of operation valve group 71 connects the outlet of the first power source cylinder body 1, and the oil return opening 20 of operation valve group 71 connects the import of the first power source cylinder body 1; The oil-in of fully-mechanized digging machine walking oil cylinder 7 connects stop valve 72, and stop valve 72 connects the oil-feed outlet 30 of valve 431 and operation valve group 71 respectively through a tee junction 6; The oil-out of fully-mechanized digging machine walking oil cylinder 7 connects stop valve 73, and stop valve 73 connects the oil return import 40 of valve 432 and operation valve group 71 respectively through a tee junction 6; Mine compressed air system 8 directly connects the second power source cylinder body 2.The valve 531, the valve 532 that constitute valve 431, the valve 432 of the first valve group and constitute the second valve group all can adopt stop valve.
Before to supporting anchorage cable stretch-draw, the second valve group is in closed condition with the stop valve 72 that constitutes fully-mechanized digging machine walking hydraulic circuit stop valve group with stop valve 73, and the first valve group is in opening; Two-way jack 3 is penetrated anchor cable, push the operating grip on the operation valve group 71 to top, two-way jack 3 goes out cylinder; Automatically the tight anchor cable of anchor shows pressure through the pressure meter 11 that is installed on the first power source cylinder body 1, after pressure reaches the design initial value; Promote the operating grip on the operation valve group 71 downwards; Two-way jack 3 is received cylinder, moves back anchor automatically, accomplishes the first pretension of anchor cable.
Before the normal cutting of fully-mechanized digging machine, the stop valve 72, stop valve 73 and the second valve group that constitute fully-mechanized digging machine walking hydraulic circuit stop valve group are in opening, and the first valve group is in closed condition; Promote the operating grip on the operation valve group 71 on the one hand, the fully-mechanized digging machine walking is normally in running order, on the other hand two-way jack 3 is penetrated fully-mechanized digging machine rear anchor cable or portion of group anchor cable; Rotation handgrip on the second power source cylinder body 2 21 is stirred to the top, and two-way jack 3 goes out cylinder, automatically the tight anchor cable of anchor; Pressure meter 22 through being located on the second power source cylinder body 2 shows pressure; After pressure reaches required force value, stir the rotation handgrip 21 on the second power source cylinder body 2 downwards, two-way jack 3 is received cylinder; Automatically move back anchor, accomplish the parallel cross-operation of multiple operation and fastening the secondary of anchor cable.
To two power source cylinder bodies power is provided respectively through fully-mechanized digging machine hydraulic system and mine compressed air system, has effectively utilized existing resource.
What should explain at last is: above each embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to aforementioned each embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, perhaps to wherein part or all technical characteristic are equal to replacement; And these are revised or replacement, do not make the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (4)
1. automatic anchorage cable stretching appearance is characterized in that this stretch-draw appearance is made up of two loops of two power source cylinder bodies, jack and parallel connection; One of them said loop is made up of the first entering loop and the first discharge loop and the first valve group, and another said loop is made up of the second entering loop and the second discharge loop and the second valve group; The two ends in the said first entering loop connect the import of one of them power source cylinder body outlet and jack respectively, and the two ends in the said first discharge loop connect the outlet of this power source cylinder body import and jack respectively; The two ends in the said second entering loop connect the import of another power source cylinder body outlet and jack respectively, and the two ends in the said second discharge loop connect the outlet of this power source cylinder body import and jack respectively; The said first valve group and the second valve group interlocking.
2. automatic anchorage cable stretching appearance according to claim 1 is characterized in that, the said first valve group is made up of two valves, and one of them valve is connected in the first entering loop, and another valve is connected in the first discharge loop; The said second valve group is made up of two valves, and one of them valve is connected in the second entering loop, and another valve is connected in the second discharge loop.
3. automatic anchorage cable stretching appearance according to claim 1 and 2 is characterized in that, two said power source cylinder bodies are hydraulic jack or cylinder.
4. automatic anchorage cable stretching appearance according to claim 3 is characterized in that, one of them is hydraulic jack for two said power source cylinder bodies, and another is a cylinder, and said jack is two-way jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220262501 CN202596754U (en) | 2012-06-05 | 2012-06-05 | Automatic anchor cable tensioning instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220262501 CN202596754U (en) | 2012-06-05 | 2012-06-05 | Automatic anchor cable tensioning instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202596754U true CN202596754U (en) | 2012-12-12 |
Family
ID=47314301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220262501 Withdrawn - After Issue CN202596754U (en) | 2012-06-05 | 2012-06-05 | Automatic anchor cable tensioning instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202596754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704966A (en) * | 2012-06-05 | 2012-10-03 | 淮南矿业(集团)有限责任公司 | Automatic anchor rope tensioning instrument |
-
2012
- 2012-06-05 CN CN 201220262501 patent/CN202596754U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704966A (en) * | 2012-06-05 | 2012-10-03 | 淮南矿业(集团)有限责任公司 | Automatic anchor rope tensioning instrument |
| CN102704966B (en) * | 2012-06-05 | 2015-02-18 | 淮南矿业(集团)有限责任公司 | Automatic anchor rope tensioning instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103485717B (en) | The all-hydraulic anchor shaft anchor cable drill carriage of a kind of four arm | |
| CN102191937B (en) | Hydraulic cleave-cracking bench vehicle | |
| CN106223876A (en) | All-hydraulic coal mine drilling machine upper and lower lever apparatus automatically | |
| CN102996139B (en) | Hydraulic control system of drill loader | |
| CN109973748B (en) | Large-diameter full-pipe water drainage pipeline plugging system and plugging method | |
| CN104265166A (en) | Eight-arm fully-hydraulic anchor rod-anchor cable drill carriage used with continuous miner | |
| CN202338348U (en) | Automatically-controllable mineral anchor cable releasing machine | |
| CN202596754U (en) | Automatic anchor cable tensioning instrument | |
| CN104196446A (en) | Six-arm full hydraulic anchor rod and anchor cable drill carriage used in cooperation with continuous miner | |
| CN206188303U (en) | Single preloading device of multipoint mode steel strand wires | |
| CN202360118U (en) | Pressurizing type emulsion anchor cable anchor unlocking machine | |
| CN203948360U (en) | A kind of crawler-type tunnel drilling rig and hydraulic system thereof | |
| CN204609879U (en) | A kind of pick anchor all-in-one | |
| CN114320323B (en) | Three-support shoe tightening shield for double-shield coal roadway heading machine | |
| CN201027540Y (en) | Coal-charging, coal-carrying and anchor stock supporting mechanically integrated device | |
| CN102704966A (en) | Automatic anchor rope tensioning instrument | |
| CN204040898U (en) | The all-hydraulic anchor shaft anchor cable drill carriage of eight arms that a kind of supporting continuous miner uses | |
| CN201003400Y (en) | Cantilevered type coal roadway driller | |
| CN115596032A (en) | Energy-saving system for movable arm of oil-electricity hybrid power excavator and control method of energy-saving system | |
| CN201448108U (en) | Speedy drivage single-arm outburst drilling preventive loading anchor machine for high outburst mine coal roadways | |
| CN201786256U (en) | Abnormal protrusion mine coal road digging anti-protrusion boring jumbo loading set | |
| CN203594358U (en) | Full-hydraulic anchor rod drill carriage | |
| CN201206472Y (en) | Downhill excavation protection hanging beam | |
| CN207275545U (en) | A kind of tail movable type extensible belt conveyor hydraulic deflection regulating device | |
| CN208473905U (en) | A kind of mounting device of new type hydraulic bearer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121212 Effective date of abandoning: 20150218 |
|
| RGAV | Abandon patent right to avoid regrant |