CN210943538U - Chain clipping device of scraper conveyor - Google Patents

Abstract

The utility model discloses a scrape trigger chain ware of inlaying. This scrape trigger chain ware of inlaying includes: the oil pump is provided with an oil return pipe, an oil inlet pipe and a plane reversing valve arranged on the oil return pipe and the oil inlet pipe; the oil pump is connected with the compressed air self-rescue; the hydraulic oil cylinder is provided with an oil inlet and an oil return port which are respectively connected with the oil pump through an oil return pipe and an oil inlet pipe; the cross beam is connected with the hydraulic oil cylinder; the two hooks are respectively connected with the cross beam; utilize in the pit the forced draught is saved oneself and is drawn the machine tool pump through oil pump rising and rise hydraulic cylinder, saves oneself through the forced draught and makes the oil pump operation, makes into oil pipe fuel feeding through the plane switching-over valve, and hydraulic cylinder stretches out, hangs the couple at both ends respectively on the scraper chain at both ends, adjusts to returning oil pipe fuel feeding through the plane switching-over valve, and hydraulic cylinder shrink scrapes the chain shrink through the couple drive and pinches chain work. This scrape trigger chain ware convenient operation of pinching avoids appearing hindering the hand phenomenon, the effectual staff safety that has ensured.

Description

Chain clipping device of scraper conveyor

Technical Field

The utility model relates to a mining vehicle field especially is about a scrape trigger and inlay chain ware.

Background

The scraper is a transportation machine used on the working face of coal mining. The method is mainly used for the crossheading transportation of coal mining working faces and mining areas, and can also be used for driving working faces of coal roadways and semi-coal-rock roadways. It can be transported up or down, generally no more than 35 degrees. The downward transportation is generally not more than 25 degrees, and preferably not more than 20 degrees. The scraper conveyor has the advantages that the conveying capacity is not affected by the bulk degree and the humidity of goods, the height of the conveyor body is small, the loading is convenient, the length of the conveyor body is convenient to adjust, the conveyor body is firm and can be used on the working surface of a medium and the like, and therefore the scraper conveyor is widely used in multi-town coal mines. But its disadvantages are: the working resistance is big, and power consumption is big, and the chute wearing and tearing are serious, and easy chain breakage when maintaining and using improperly, the transportation distance receives certain restriction.

In actual work, a motor reverse rotation method is usually adopted to enable a scraper chain of a scraper conveyor to be loosened, then chain pinching and chain connecting work is carried out, the phenomenon of hand clamping is very easy, and the safety of workers cannot be guaranteed.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scrape trigger reasonable in simple structure and inlay chain ware, should scrape trigger and inlay the convenient operation of chain ware, avoid appearing hindering the hand phenomenon, the effectual worker safety that has ensured.

In order to achieve the above object, the utility model provides a scrape trigger chain ware of inlaying, include: the oil pump is provided with an oil return pipe, an oil inlet pipe and a plane reversing valve arranged on the oil return pipe and the oil inlet pipe; the oil pump is connected with the compressed air self-rescue; the hydraulic oil cylinder is provided with an oil inlet and an oil return port which are respectively connected with the oil pump through an oil return pipe and an oil inlet pipe; the cross beam is connected with the hydraulic oil cylinder; the two hooks are respectively connected with the cross beam; utilize in the pit the forced draught is saved oneself and is drawn the machine tool pump through oil pump rising and rise hydraulic cylinder, saves oneself through the forced draught and makes the oil pump operation, makes into oil pipe fuel feeding through the plane switching-over valve, and hydraulic cylinder stretches out, hangs the couple at both ends respectively on the scraper chain at both ends, adjusts to returning oil pipe fuel feeding through the plane switching-over valve, and hydraulic cylinder shrink scrapes the chain shrink through the couple drive and pinches chain work.

In a preferred embodiment, the oil pump is connected with the compressed air self-rescue through an air supply valve.

In a preferred embodiment, the cross beam is connected to the hydraulic ram by connecting bolts.

In a preferred embodiment, the number of the hooks is two, and the two hooks are respectively connected with the cross beam through a chain.

Compared with the prior art, according to the utility model discloses a scrape trigger and inlay chain utensil has following beneficial effect: this scrape trigger and inlay chain ware and fix scraping the chain through oil pump shrink hydro-cylinder, then inlay to scraping the chain and connect work, convenient operation avoids appearing hindering the hand phenomenon, the effectual staff safety that has ensured.

Drawings

Fig. 1 is a schematic structural diagram of a chain pinching device of a scraper according to a first embodiment of the present invention.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

As shown in fig. 1, the specific structure of the chain clipper according to the preferred embodiment of the present invention includes: air supply valve 1, oil pump 2, hydraulic cylinder 5, crossbeam 6, couple 7 and chain 8, wherein, oil pump 2 saves oneself through air supply valve 1 and forced draught and is connected, is connected with hydraulic cylinder 5 again, utilizes the forced draught in the pit to save oneself and rises through the oil pump and draw the instrument pump to rise hydraulic cylinder, then through oil pump shrink hydraulic cylinder, the shrink is fixed scraping the chain through couple 7 after targetting in place, then pinches to scraping the chain and connect the work.

Specifically, the air supply valve 1 is provided at one end of the oil pump 2.

The oil pump 2 is provided with an oil return pipe 3, an oil inlet pipe 4 and a plane reversing valve arranged on the oil return pipe 3 and the oil inlet pipe 4, is connected with compressed air self-rescue through the air supply valve 1, and enables the oil pump to operate through compressed air self-rescue.

The hydraulic oil cylinder 5 is provided with an oil inlet and an oil return opening, the oil inlet and the oil return opening are respectively connected with the oil pump 2 through the oil return pipe 3 and the oil inlet pipe 4, the oil supply of the oil inlet pipe is realized through the planar reversing valve after the oil pump is operated through compressed air self rescue, the hydraulic oil cylinder extends out and is regulated to the oil return pipe through the planar reversing valve, and the hydraulic oil cylinder contracts.

The beam 6 is connected with the hydraulic oil cylinder 5 through a connecting bolt 9, and the hydraulic oil cylinder is controlled to extend and retract through the plane reversing valve, so that the beam 6 is driven to move.

The two hooks 7 are respectively connected with the cross beam 6 through a chain 8. Utilize the forced draught in the pit to save oneself and rise hydraulic cylinder through oil pump tensioning machine utensil pump, save oneself through the forced draught and make the oil pump operation, make into oil pipe fuel feeding through the plane switching-over valve, hydraulic cylinder stretches out, hang the couple at both ends respectively on the scraper chain at both ends, adjust to returning oil pipe fuel feeding through the plane switching-over valve, hydraulic cylinder shrink drives through the couple and scrapes the scraper chain shrink, and the scraper chain in the middle of the couple that makes both ends has sufficient stroke, pinches the chain work. Is characterized in that: realized nipping the chain under the off-state, this scrape trigger chain ware and replace traditional old style chain method of nipping, avoided appearing hindering the hand phenomenon, can accomplish this work under the off-state, convenient operation, effectual guarantee staff's safety.

To sum up, this scrape trigger and inlay chain ware and pass through oil pump shrink hydro-cylinder and fix scraping the chain, then inlay to scraping the chain and connect work, convenient operation avoids appearing hindering the hand phenomenon, the effectual staff safety that has ensured.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims (4)

1. The utility model provides a scrape trigger chain ware of pinching which characterized in that includes:

the oil pump is provided with an oil return pipe, an oil inlet pipe and a plane reversing valve arranged on the oil return pipe and the oil inlet pipe; the oil pump is connected with the compressed air self-rescue;

the hydraulic oil cylinder is provided with an oil inlet and an oil return port which are respectively connected with the oil pump through an oil return pipe and an oil inlet pipe;

the cross beam is connected with the hydraulic oil cylinder; and

two hooks which are respectively connected with the cross beam; utilize in the pit the forced draught is saved oneself and is drawn the machine tool pump through oil pump rising and rise hydraulic cylinder, saves oneself through the forced draught and makes the oil pump operation, makes into oil pipe fuel feeding through the plane switching-over valve, and hydraulic cylinder stretches out, hangs the couple at both ends respectively on the scraper chain at both ends, adjusts to returning oil pipe fuel feeding through the plane switching-over valve, and hydraulic cylinder shrink scrapes the chain shrink through the couple drive and pinches chain work.

2. The scraper chain clamping device as claimed in claim 1, wherein the oil pump is connected with the compressed air self-rescue device through an air supply valve.

3. The scraper chain pincher as claimed in claim 1, characterized in that said beam is connected with the hydraulic cylinder by means of connecting bolts.

4. The chain pincher for the scraper machine as claimed in claim 1, wherein the number of the hooks is two, and the two hooks are respectively connected with the beam through chain locks.

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