CN210635644U

CN210635644U - Gas-proof emulsion gourd for underground coal mine

Info

Publication number: CN210635644U
Application number: CN201921463816.2U
Authority: CN
Inventors: 戴林书; 朱哲; 李翼
Original assignee: HEFEI AEROSPACE HYDRAULIC MACHINERY CO Ltd
Current assignee: HEFEI AEROSPACE HYDRAULIC MACHINERY CO Ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-05-29
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a gas-proof emulsified liquid gourd for underground coal mine, which comprises a shell, wherein one end of the shell is provided with an end cover through a screw, the middle part of the end cover is provided with a rotary rod, one end of the rotary rod is provided with an electric push rod through a universal joint, the electric push rod is fixedly penetrated in the middle part of the end cover, the outside of the rotary rod is sleeved with a movable wheel, one end of the movable wheel is provided with a circular groove, the circle of the inner wall of the circular groove is provided with ratchet teeth, the bottom end of the inner wall of the end cover is provided with an L-shaped rod through a screw, the outside of the L-shaped rod is sleeved with a block, the bottom end of the block is connected with a compression spring, the bottom end of the compression spring is connected with a fixed block, the utility model has scientific and reasonable structure, is safe and convenient, the movable wheel is prevented from rotating reversely, so that the winding wheel is prevented from rotating reversely to release the chain, and safety accidents caused by falling of heavy objects are avoided.

Description

Gas-proof emulsion gourd for underground coal mine

Technical Field

The utility model relates to a hoisting equipment technical field specifically is a colliery is in pit with preventing gas emulsion calabash.

Background

The hoist is used as a hoisting device and widely applied to various fields of national economy, the emulsion hoist adopts an emulsion hydraulic motor, drives a hoist gear through a transmission gear train, and is provided with a reversing mechanism to enable the hoist gear to realize forward rotation and reverse rotation, the hoist is used for completing the action process of lifting and lowering a heavy object, and the emulsion hoist with better sealing property is required to be used for preventing the contact of internal electric sparks and gas due to higher gas concentration in a coal mine, so that the safety is higher;

however, since the emulsion block may be braked to cause the falling of the suspended heavy object and cause safety accidents, there is a strong need for a gas-proof emulsion block for underground coal mines to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a colliery is with preventing gas emulsion calabash in pit can effectively solve and propose among the above-mentioned background art because the emulsion calabash can take place to brake failure, leads to the heavy object of hanging to fall, causes the problem of incident.

In order to achieve the above object, the utility model provides a following technical scheme: a gas-proof emulsified liquid gourd used in underground coal mine comprises a shell, wherein one end of the shell is provided with an end cover through a screw, a rotary rod is arranged in the middle of the end cover, one end of the rotary rod is provided with an electric push rod through a universal joint, the electric push rod penetrates through and is fixed in the middle of the end cover, the movable wheel is sleeved outside the rotating rod, a circular groove is formed at one end of the movable wheel, ratchet teeth are arranged on one circle of the inner wall of the circular groove, an L-shaped rod is arranged at the bottom end of the inner wall of the end cover through a screw, a stop block is sleeved outside the L-shaped rod, the bottom end of the stop block is connected with a compression spring, the bottom end of the compression spring is connected with a fixed block, the welding of the rotary rod other end has the tooth axle, casing internally mounted has the rolling wheel, the slot that corresponds with the tooth axle size is seted up at rolling wheel one end middle part, electric push rod input links to each other with external power supply output electrical property.

Preferably, the outer surface of the electric push rod is provided with anti-skidding threads, and one side of the fixing block is welded to one side of the outer portion of the L-shaped rod.

Preferably, the bottom end of the shell is provided with a knotting prevention assembly, and the knotting prevention assembly comprises a fixed rod, a fixed shaft, a retainer ring, a semicircular clamp and a roller;

the fixed shaft is sleeved at the middle part of the fixed shaft, retainer rings are welded at two ends of the fixed shaft, a semicircular clip is welded at the bottom end of the fixed shaft, and a roller is installed on the inner wall of the semicircular clip.

Preferably, the thin plate is installed at the bottom end of the outer portion of the shell through a screw, a round hole is formed in one end of the thin plate, a round pipe with the same diameter as the round hole is connected to one end of the thin plate, and a brush is installed on the surface of the inner portion of the round pipe.

Preferably, the bottom end of the shell is provided with a chain hole, and one end of the circular tube is inserted into the chain hole.

Preferably, the surfaces of the shell and the end cover are coated with anti-rust grease.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. when the emulsification hydraulic system breaks down or the braking is out of order, the heavy object falls, the winding wheel rotates reversely to release the chain, the stop block supports the ratchet teeth to stop the movable wheel from rotating reversely, so that the winding wheel is prevented from rotating reversely to release the chain, and the heavy object is prevented from falling to cause safety accidents.

2. Be provided with the subassembly of preventing knoing, can separate fixed chain and flexible chain when the chain releases and contracts through the retaining ring of both sides, simultaneously, through semicircle card and the roller bearing of below, can separate the chain that winds each other in below when the chain rolling, avoided the chain to tie a knot and twine each other and cause equipment damage.

3. A round pipe is inserted into the outlet of the movable chain, a brush is arranged on the surface of the inner part of the round pipe, the movable chain penetrates through the round pipe, the chain can be contaminated by dust in the air when working outside, and the dust on the surface of the chain can be effectively cleaned through the brush when the chain is rolled.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the installation structure of the stopping block of the present invention;

FIG. 3 is a schematic view of the installation structure of the gear shaft of the present invention;

fig. 4 is a schematic structural view of the knotting prevention assembly of the present invention;

FIG. 5 is a schematic view of the installation structure of the round tube of the present invention;

fig. 6 is a schematic view of the mounting structure of the fixing block of the present invention;

reference numbers in the figures: 1. a housing; 2. an end cap; 3. rotating the rod; 4. an electric push rod; 5. a movable wheel; 6. a circular groove; 7. ratchet teeth; 8. an L-shaped rod;

9. an anti-knotting assembly; 901. fixing the rod; 902. a fixed shaft; 903. a retainer ring; 904. a semicircular card; 905. a drum;

10. blocking; 11. a compression spring; 12. a fixed block; 13. a gear shaft; 14. a winding wheel; 15. a slot; 16. a thin plate; 17. a circular hole; 18. a circular tube.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-6, the utility model provides a technical scheme, a gas-proof emulsified liquid gourd for coal mine underground, which comprises a shell 1, wherein one end of the shell 1 is provided with an end cover 2 by a screw, the middle part of the end cover 2 is provided with a rotary rod 3, one end of the rotary rod 3 is provided with an electric push rod 4 by a universal joint, the electric push rod 4 is fixedly penetrated in the middle part of the end cover 2, the rotary rod 3 is sleeved with a movable wheel 5, one end of the movable wheel 5 is provided with a circular groove 6, the inner wall circle of the circular groove 6 is provided with ratchet teeth 7, the bottom end of the inner wall of the end cover 2 is provided with an L-shaped rod 8 by a screw, the L-shaped rod 8 is sleeved with a block 10, the bottom end of the block 10 is connected, the slot 15 that corresponds with the tooth axle 13 size is seted up at 14 one end middle parts of wind-up wheel, under the malfunctioning condition of braking, can in time prevent the heavy object to fall, avoids the emergence of incident, and anti-skidding line has been seted up on the outside surface of electric push rod 4, and the welding of fixed block 12 one side is in 8 outside one sides of L type pole, and electric push rod 4 input links to each other with external power output end electrical property.

The bottom end of the shell 1 is provided with an anti-knotting assembly 9, and the anti-knotting assembly 9 comprises a fixed rod 901, a fixed shaft 902, a retainer ring 903, a semicircular clamp 904 and a roller 905;

the dead lever 901 is installed through the screw in casing 1 bottom, and fixed axle 902 has been cup jointed at the dead lever 901 middle part, and retaining ring 903 has all been welded at fixed axle 902 both ends, and the welding of dead lever 901 bottom has semicircle card 904, and cylinder 905 is installed to semicircle card 904 inner wall, can effectually prevent that the chain from taking place to tie a knot and winding each other's phenomenon, avoids causing the damage to the calabash, influences the work progress.

There is sheet metal 16 in the outside bottom of casing 1 through the screw mounting, round hole 17 has been seted up to 16 one ends of sheet metal, 16 one end of sheet metal is connected with the pipe 18 the same with 17 diameter sizes of round hole, 18 inside surface mounting of pipe has the brush, because the chain is infected with the dust easily in the external world, can effectually clear up the chain surface when the chain contracts through the brush, the chain hole has been seted up to 1 bottom of casing, 18 one ends of pipe are pegged graft at the chain downthehole portion,

casing

1 and 2 surfaces of end cover all scribble rust-resistant grease, prevent that the calabash shell from rustting.

The utility model discloses a theory of operation and use flow: firstly, an electric push rod 4 is pulled outwards to separate a gear shaft 13 from a slot 15, an emulsification hydraulic pump is started to rotate a hydraulic motor, a hook is lowered to a position where a heavy object needs to be lifted, then the hook is connected with the heavy object, the electric push rod 4 is started, the model of the electric push rod 4 is LFHA-IP54, the electric push rod 4 pushes the gear shaft 13 to be inserted into the slot 15, the emulsification hydraulic motor is controlled to slowly lift the heavy object, a winding wheel 14 rotates to wind a chain, the winding wheel 14 is connected with a rotary rod 3 through the slot 15 and the gear shaft 13, so that the rotary rod 3 rotates, the rotary rod 3 drives the movable wheel 5 to rotate, a circular groove 6 is formed in one end of the movable wheel 5, ratchet teeth 7 are arranged on the inner wall of the circular groove 6, a block 10 can rotate around an L-shaped rod 8, the bottom of the block 10 is extruded by a compression spring 11, when the ratchet teeth 7 rotate, the block 10 can, the rotating cannot be influenced, when an emulsion hydraulic system breaks down or fails in braking, a heavy object falls down to drive the chain to release, so that the winding wheel 14 is driven to rotate reversely, one end of the block 10 can abut against the back of the ratchet teeth 7 to prevent the movable wheel 5 from rotating, so that the winding wheel 14 is prevented from rotating to release the chain, safety accidents are avoided, when the lifting hook is put down, the electric push rod 4 pulls the toothed shaft 13 to move out of the slot 15, when the lifting hook is lifted up, the electric push rod 4 pushes the toothed shaft 13 to be embedded into the slot 15, and normal operation of equipment is guaranteed;

secondly, the fixed chain and the movable chain of the chain respectively penetrate through the check ring 903, so that the chain is separated at the release end, the knotting phenomenon of the chain during release can be effectively prevented, and if the chain is wound, the mutual winding positions of the chain can be effectively separated through the semicircular clamp 904 and the roller 905 below the check ring 903, so that the equipment damage and the influence on the working process are avoided;

finally, the chain lifts by crane the heavy object in the external world, the surface can be infected with the dust, these dusts can be brought into casing 1 inside when the chain rolling, accumulate gradually and can cause the inside card shell of equipment or damage etc. the influence is used, insert pipe 18 at chain rolling mouth, one end is passed through sheet metal 16 and is installed in casing 1 outside, sheet metal 16 one end is seted up with 18 internal diameter of pipe the same round hole 17 of size, 18 inside surface mounting of pipe has the brush, the chain is when contracting with the brush contact, the brush can clean the dust on chain surface and drop, the dust has been avoided bringing into casing 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a colliery is in pit with preventing gas emulsion calabash, includes casing (1), its characterized in that: the improved electric wrench is characterized in that an end cover (2) is installed at one end of the shell (1) through a screw, a rotary rod (3) is installed at the middle of the end cover (2), an electric push rod (4) is installed at one end of the rotary rod (3) through a universal joint, the electric push rod (4) penetrates through and is fixed to the middle of the end cover (2), a movable wheel (5) is sleeved outside the rotary rod (3), a circular groove (6) is formed in one end of the movable wheel (5), ratchet teeth (7) are installed on one circle of the inner wall of the circular groove (6), an L-shaped rod (8) is installed at the bottom end of the inner wall of the end cover (2) through a screw, a blocking block (10) is sleeved outside the L-shaped rod (8), a compression spring (11) is connected to the bottom end of the blocking block (10), a, casing (1) internally mounted has rolling wheel (14), slot (15) that correspond with tooth axle (13) size are seted up in rolling wheel (14) one end middle part, electric putter (4) input links to each other with external power output electrical property.

2. The underground gas-proof emulsified liquid gourd for the coal mine according to claim 1, is characterized in that: the anti-skidding lines are formed in the outer surface of the electric push rod (4), and one side of the fixing block (12) is welded to one side of the outer portion of the L-shaped rod (8).

3. The underground gas-proof emulsified liquid gourd for the coal mine according to claim 1, is characterized in that: the bottom end of the shell (1) is provided with a knotting prevention assembly (9), and the knotting prevention assembly (9) comprises a fixed rod (901), a fixed shaft (902), a check ring (903), a semicircular clamp (904) and a roller (905);

the fixing rod (901) is installed at the bottom end of the shell (1) through a screw, the middle of the fixing rod (901) is sleeved with the fixing shaft (902), the two ends of the fixing shaft (902) are respectively welded with the check rings (903), the bottom end of the fixing rod (901) is welded with the semicircular clamp (904), and the inner wall of the semicircular clamp (904) is provided with the roller (905).

4. The underground gas-proof emulsified liquid gourd for the coal mine according to claim 1, is characterized in that: thin plate (16) are installed through the screw in casing (1) outside bottom, round hole (17) have been seted up to thin plate (16) one end, thin plate (16) one end is connected with pipe (18) the same with round hole (17) diameter size, pipe (18) inside surface mounting has the brush.

5. The underground gas-proof emulsified liquid gourd for the coal mine according to claim 4, is characterized in that: the bottom end of the shell (1) is provided with a chain hole, and one end of the circular tube (18) is inserted into the chain hole.

6. The underground gas-proof emulsified liquid gourd for the coal mine according to claim 1, is characterized in that: the surfaces of the shell (1) and the end cover (2) are coated with antirust grease.