CN203321525U - Shield type roadway heading machine - Google Patents
Shield type roadway heading machine Download PDFInfo
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- CN203321525U CN203321525U CN2013203620276U CN201320362027U CN203321525U CN 203321525 U CN203321525 U CN 203321525U CN 2013203620276 U CN2013203620276 U CN 2013203620276U CN 201320362027 U CN201320362027 U CN 201320362027U CN 203321525 U CN203321525 U CN 203321525U
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Abstract
A shield type roadway heading machine comprises a crawler-belt-free type heading machine and a skid which are connected in sequence, wherein anon-load cutting part and a loading part are arranged on a rack of the crawler-belt-free type heading machine; a front slide base is arranged below the rack; hydraulic lateral supports are arranged on two sides of the rack; a hydraulic, electrical and water system device and a top support hydraulic cylinder are arranged on a rear slide base of the skid; hydraulic lateral supports are arranged on two sides of the rear slide base; the front and rear slide bases are connected through a thrust hydraulic cylinder; a top beam for connecting the top support hydraulic cylinder and a hydraulic four-bar linkage; a hydraulically driven casing pipe type framework telescopic girder is connected to the front end of the top beam; and a hydraulically driven head-on side protection beam is hinged to the front end of the framework telescopic girder. The shield type roadway heading machine has a smaller size; the framework telescopic girder can timely extend below a top plate of a newly exhumed section of a chamber and serves as a top plate shield which facilitates drilling of an anchor rod hole; and the head-on side protection beam is spread to serves as a front side shield of the chamber, so that under the temporary protection of the shield, the operation environment of the support work is safe, and the efficiency of the heading operation is high.
Description
Technical field
The utility model relates to the shield device of a kind of coal mine tunnelling machine, particularly a kind of coal mine tunnelling machine.
Background technology
In the colliery down-hole coal excavation is produced, excavation operation and coal mining activity are two large important production links, at present, in coal mining activity, it is mainly the comprehensive mechanical coal mining technology of using hydraulic support and coal-winning machine and scraper conveyor supporting, in excavation operation, it is mainly the supporting comprehensive mechanized driving technology of use development machine and jumbolter.
Development machine is the collection cut, loads and transports and walk in the road heading machinery of one, and during tunnelling under coal mine, development machine can be realized continuous cutting, shipment operation.The development machine organic frame, there is turntable the centre of frame top, the place ahead of turntable is hinged with the section of cutting of carrying of hydraulic-driven rotation and lifting, on frame by the hydraulic-driven lifting shovel board by being hinged on the place ahead and the shipment section that forms along the scratch board conveyor of frame fore-and-aft direction, also have hydraulic pressure, electric and water system device on frame, there is the crawler type running gear frame below.
Current development machine does not have the shield device, it is open development machine, when the comprehensive mechanized driving operation, first with development machine, the rock wall in the place ahead of development machine excavates the chamber of certain depth, then allow development machine retreat, nurse from the development machine rear jumbolter, the supporting such as anchor pole and wire lath apparatus is transported to garden-fresh chamber, the top board that newly excavates chamber is carried out to bolt support, when the top board to newly excavating chamber carries out bolt support, propping up the nurse is in the operation of garden-fresh non-support chamber, there is very large potential safety hazard, carry out longevity of service in the occasion with very large potential safety hazard, the supporting operation that labour intensity is large, the efficiency of excavation operation is lower.
In order to improve the safety of supporting operation, in prior art, in Chinese patent ZL 2,010 1 0534068.X, a kind of support-type comprehensive tunneler has been proposed, it is a kind of shield formula development machine, this shield formula development machine have order to be connected without the crawler type development machine, hydraulic support and sled, without crawler type development machine organic frame, there is turntable the centre of frame top, the place ahead of turntable is hinged with the section of cutting of carrying of hydraulic-driven rotation and lifting, on frame by the hydraulic-driven shovel board by being hinged on the place ahead and the shipment section that forms along the first scratch board conveyor of frame fore-and-aft direction, before having, the frame below slides base, there is hydraulically powered lateral support the frame both sides, during having, hydraulic support slides base, in slide base top useful before, the connected back timber of rear support top hydraulic cylinder, back timber has main canopy, the front end of main canopy is hinged with the forestope of hydraulic-driven lifting, the rear portion of main canopy is hung with jumbolter, sliding on base of hydraulic support has the steel mesh memory, development machine slides base and support and slides between base and be connected with the passing hydraulic cylinder, the second scratch board conveyor along the hydraulic support fore-and-aft direction is arranged on hydraulic support, after having, sled slides base, after slide on base hydraulic pressure arranged, electric and water system device, support slides between base and sled and is connected with wire rope.
During excavation operation, first use without the crawler type development machine rock wall in development machine the place ahead to excavate the chamber of certain depth, then use the top board of hydraulic support as the garden-fresh one section chamber of shield supporting, the jumbolter of hanging with the main canopy rear portion gets out anchor hole on top board, insert anchor pole, lay steel mesh makes supporting to top board, makes driving and perforating supporting parallel operations.
When mobile, because without crawler type development machine both sides, hydraulically powered lateral support is arranged respectively, on hydraulic support, the connected back timber of useful forward and backward support top hydraulic cylinder, be connected with the passing hydraulic cylinder without sliding between base of crawler type development machine and hydraulic support,
By the lateral support successively without crawler type development machine and hydraulic support and releasing, support, the flexible hydraulic cylinder of passing can make with the sled be connected, by step pitch, to move forward with hydraulic support without the crawler type development machine.
Before above-mentioned shield formula development machine has, in, rear three sections connected bases that slide, before slide on base section and the shipment section of cutting of carrying arranged, in slide on base shield protection unit and the second scratch board conveyor arranged, after slide base hydraulic pressure arranged, electric and water system device, this shield formula development machine size is larger, the shield protection unit in slide on base, back timber is longer, to long one section top board of newly excavating chamber, be to protect with the back timber shield, anchoring support in time, back timber has main canopy and the forestope be hinged and connected, can only the top board that newly excavates chamber be protected as shield, can not the toe lasting that newly excavates chamber be protected as shield, safety is not fine.
The utility model content
The purpose of this utility model is in order to overcome above-mentioned deficiency, propose a kind of size less, newly excavate in time anchoring support, safety of chamber shield formula tunnelling machine preferably.
The utility model is realized with the following method.
Shield formula tunnelling machine have order to be connected without crawler type development machine and sled, without crawler type development machine organic frame, there is turntable the centre of frame top, the place ahead of turntable is hinged with the section of cutting of carrying of hydraulic-driven rotation and lifting, on frame by the hydraulic-driven lifting shovel board by being hinged on the place ahead and the shipment section that forms along the scratch board conveyor of frame fore-and-aft direction, before having, the frame below slides base, there is hydraulically powered bushing type front side the frame both sides to support, after having, sled slides base, after slide on base hydraulic pressure arranged, electric and water system device, before slide base and after slide between base and be connected with the passing hydraulic cylinder,
The front end of scratch board conveyor is hinged on the frame at shovel board rear portion, horizontal support roller is arranged on sled, scratch board conveyor is on support roller, after slide on base rear support top hydraulic cylinder arranged, after slide base both sides hydraulically powered bushing type rear side is arranged to support, the top of frame both sides useful the preceding before the support top hydraulic cylinder with after the back timber that is connected of hydraulic pressure four connecting rods, there is respectively longitudinal pipe the both sides of back timber, the longitudinal pipe of back timber front end is connected with hydraulically powered bushing type framework extensible canopy, and the front end of framework extensible canopy is hinged with hydraulically powered head-on wall supporting beam.
During excavation operation, first use the rock wall driving in development machine the place ahead without the crawler type development machine, along with driving, stretch out in time the framework extensible canopy of back timber front end, top board as the garden-fresh one section chamber of shield supporting, after the chamber that excavates certain depth, launch head-on wall supporting beam, as the garden-fresh one section chamber toe lasting of shield supporting, allow the shield of wall supporting beam of extensible canopy up of garden-fresh one section chamber and front lateral wall protect, again jumbolter, the supporting such as anchor pole and wire lath apparatus is transported to and newly excavates and be subject to the chamber that shield protects, through the framework extensible canopy, the top board that newly excavates chamber is carried out to bolt support.
When mobile, because the back timber that has respectively hydraulically powered bushing type lateral support, the useful support top hydraulic cylinder in top to be connected with hydraulic pressure four connecting rods without crawler type development machine both sides, slide after sled on base rear support top hydraulic cylinder is arranged, after slide base both sides hydraulically powered bushing type rear side is arranged to support, before slide base and after slide between base and be connected with the passing hydraulic cylinder, by the lateral support successively without crawler type development machine and sled and releasing, support, the flexible hydraulic cylinder of passing can make to move by step pitch without crawler type development machine and sled.When mobile, scratch board conveyor can slide on support roller, keeps the travel position of scratch board conveyor.
The utility model only has connected without two sections of crawler type development machine and sleds, and size is less; The shield device is on without the crawler type development machine, the back timber front end of shield device is connected with hydraulically powered bushing type framework extensible canopy, and during driving, the framework extensible canopy can reach under garden-fresh one section chamber top board in time, as the convenient shield that bores bolthole, the top board of the garden-fresh one section chamber of supporting; The front end of framework extensible canopy is hinged with hydraulically powered head-on wall supporting beam, launch head-on wall supporting beam, as shield, the garden-fresh one section chamber toe lasting of energy supporting, when the top board to newly excavating chamber carries out bolt support, propping up the nurse is operation under the environment that top board protects with the extensible canopy shield, front lateral wall protects with wall supporting beam shield, and operating environment safety, make the efficiency of excavation operation higher.
Below in conjunction with accompanying drawing, the utility model is further described.
The accompanying drawing explanation
Fig. 1 looks schematic diagram according to the master of a kind of shield formula tunnelling machine of utility model scheme proposition of the present utility model;
Fig. 2 is the schematic top plan view of Fig. 1.
The specific embodiment
Fig. 1, in Fig. 2, shield formula tunnelling machine have order to be connected without crawler type development machine 1 and sled 2, without crawler type development machine organic frame 3, there is turntable 4 centre of frame top, the place ahead of turntable is hinged with the section 5 of cutting of carrying of hydraulic-driven rotation and lifting, on frame by the hydraulic-driven lifting shovel board 6 by being hinged on the place ahead and the shipment section that forms along the scratch board conveyor 7 of frame fore-and-aft direction, before having, the frame below slides base 8, there is hydraulically powered bushing type front side the frame both sides to supporting 9, after having, slides by sled base 10, after slide on base hydraulic pressure arranged, electric and water system device 11, before slide base and after slide between base to be connected with and pass hydraulic cylinder 12, the front end 13 of scratch board conveyor is hinged on the frame at shovel board rear portion, horizontal support roller 14 is arranged on sled, scratch board conveyor is on support roller, after slide on base rear support top hydraulic cylinder 15 arranged, after slide base both sides hydraulically powered bushing type rear side is arranged to supporting 16, the top of frame both sides useful the preceding before support top hydraulic cylinder 17 with after the back timber 19 that is connected of hydraulic pressure four connecting rods 18, there is respectively vertical outer tube 20 both sides of back timber, the longitudinal pipe of back timber front end is connected with hydraulically powered bushing type framework extensible canopy 21, bushing type framework extensible canopy is connected with the vertical inner tube 22 that puts in back timber both sides longitudinal pipe, be connected with telescopic hydraulic cylinder 23 between bushing type framework extensible canopy and back timber, the front end of framework extensible canopy is hinged with hydraulically powered head-on wall supporting beam 24.
In order to enlarge the shield area of framework extensible canopy, the framework extensible canopy can be expanded type framework extensible canopy, and the both sides of expanded type framework extensible canopy are connected with respectively hydraulically powered bushing type framework expansion beam.
In Fig. 1, Fig. 2, the both sides of expanded type framework extensible canopy are connected with respectively hydraulically powered bushing type framework expansion beam 25, there is respectively horizontal outer tube 26 front and back end of expanded type framework extensible canopy, framework expansion beam is connected with the horizontal inner tube 27 that puts in horizontal outer tube, between framework extensible canopy and framework expansion beam, is connected with expansion hydraulic cylinder 28.
Claims (3)
1. a shield formula tunnelling machine, have order to be connected without crawler type development machine and sled, without crawler type development machine organic frame, there is turntable the centre of frame top, the place ahead of turntable is hinged with the section of cutting of carrying of hydraulic-driven rotation and lifting, on frame by the hydraulic-driven lifting shovel board by being hinged on the place ahead and the shipment section that forms along the scratch board conveyor of frame fore-and-aft direction, before having, the frame below slides base, there is hydraulically powered bushing type front side the frame both sides to support, after having, sled slides base, after slide on base hydraulic pressure arranged, electric and water system device, before slide base and after slide between base and be connected with the passing hydraulic cylinder, it is characterized in that: the front end of scratch board conveyor is hinged on the frame at shovel board rear portion, horizontal support roller is arranged on sled, scratch board conveyor is on support roller, after slide on base rear support top hydraulic cylinder arranged, after slide base both sides hydraulically powered bushing type rear side is arranged to support, the top of frame both sides useful the preceding before the support top hydraulic cylinder with after the back timber that is connected of hydraulic pressure four connecting rods, there is respectively longitudinal pipe the both sides of back timber, the longitudinal pipe of back timber front end is connected with hydraulically powered bushing type framework extensible canopy, the front end of framework extensible canopy is hinged with hydraulically powered head-on wall supporting beam.
2. by shield formula tunnelling machine claimed in claim 1, it is characterized in that: there is respectively vertical outer tube described back timber both sides, the longitudinal pipe of back timber front end is connected with hydraulically powered bushing type framework extensible canopy, bushing type framework extensible canopy is connected with the vertical inner tube that puts in back timber both sides longitudinal pipe, between bushing type framework extensible canopy and back timber, is connected with telescopic hydraulic cylinder.
3. by the described shield formula of claim 1 or 2 tunnelling machine, it is characterized in that: the both sides of described expanded type framework extensible canopy are connected with respectively hydraulically powered bushing type framework expansion beam, there is respectively horizontal outer tube the front and back end of expanded type framework extensible canopy, framework expansion beam is connected with the horizontal inner tube that puts in horizontal outer tube, between framework extensible canopy and framework expansion beam, is connected with the expansion hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203620276U CN203321525U (en) | 2013-06-24 | 2013-06-24 | Shield type roadway heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203620276U CN203321525U (en) | 2013-06-24 | 2013-06-24 | Shield type roadway heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203321525U true CN203321525U (en) | 2013-12-04 |
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ID=49660887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203620276U Expired - Lifetime CN203321525U (en) | 2013-06-24 | 2013-06-24 | Shield type roadway heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203321525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277107A (en) * | 2013-06-24 | 2013-09-04 | 张井龙 | Shield type roadway heading machine |
| CN109653744A (en) * | 2019-01-14 | 2019-04-19 | 黄祖华 | A kind of walking rock digger |
-
2013
- 2013-06-24 CN CN2013203620276U patent/CN203321525U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277107A (en) * | 2013-06-24 | 2013-09-04 | 张井龙 | Shield type roadway heading machine |
| CN103277107B (en) * | 2013-06-24 | 2015-01-28 | 张井龙 | Shield type roadway heading machine |
| CN109653744A (en) * | 2019-01-14 | 2019-04-19 | 黄祖华 | A kind of walking rock digger |
| CN109653744B (en) * | 2019-01-14 | 2023-05-12 | 广西恒为建材科技有限公司 | Walking type rock excavating machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20150128 |
|
| RGAV | Abandon patent right to avoid regrant |