CN213929487U

CN213929487U - Stop valve suitable for coal mine paste filling pipeline

Info

Publication number: CN213929487U
Application number: CN202021544733.9U
Authority: CN
Inventors: 倪宁
Original assignee: Xuzhou Huaye Machinery Factory
Current assignee: Xuzhou Huaye Machinery Factory
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-08-10
Anticipated expiration: 2030-07-30

Abstract

A stop valve suitable for a coal mine paste filling pipeline comprises two parallel upright posts, end plates arranged on two sides of a plane formed by the two upright posts, a middle plate arranged between the two end plates, a driving assembly for driving the middle plate to move up and down along the direction of the upright posts, a pipeline arranged on the end plates and a sealing assembly arranged between the end plates and the pipeline; through set up the sealing layer of constituteing by first wear ring, T type sealing member and second wear ring between end plate and pipeline, utilize first wear ring and second wear ring to form the protection to T type sealing member, also avoid the stop valve to be close the possibility that high pressure and impact force that produces the lotion made T type sealing member turn up when closing, also avoided filling the pipeline and wash pipeline infiltration and the problem of leaking, reach and avoid T type sealing member to receive the cut damage and guarantee the reliable purpose of use of stop valve in intermediate plate and end plate relative motion in-process.

Description

Stop valve suitable for coal mine paste filling pipeline

Technical Field

The utility model relates to a colliery lotion fills the field, concretely relates to stop valve suitable for colliery lotion fills pipeline.

Background

The coal mine paste filling means that coal gangue, coal ash and other materials are processed into aggregates with a certain bulk degree, the aggregates are mixed with cementing materials and water according to a certain proportion and stirred uniformly into paste, a goaf behind a working face support is filled under the action of gravity or pump pressure to form a overlying strata supporting system, the ground surface movement caused by coal mining is controlled within the range allowed by a building, and the green mining of coal mines is realized.

In the conventional technology, a stop valve is generally arranged on a coal mine paste filling pipeline for emergency closing of the pipeline or maintenance of the pipeline. The gate valve is a common stop valve structure in the traditional process, and in the use process of the gate valve, paste is easy to accumulate and solidify in the material driving groove and at the bottom of the material driving groove, so that the sealing effect and the service life are directly influenced.

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

In order to solve the technical problem, the utility model provides a stop valve suitable for colliery lotion fills pipeline reaches and avoids T type sealing member to receive the life's of cutting damage and extension stop valve in intermediate lamella and end plate relative motion in-process purpose.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a stop valve suitable for a coal mine paste filling pipeline comprises two parallel upright posts, end plates arranged on two sides of a plane formed by the two upright posts, a middle plate arranged between the two end plates, a driving assembly for driving the middle plate to move up and down along the direction of the upright posts, a pipeline arranged on the end plates and a sealing assembly arranged between the end plates and the pipeline;

the sealing assembly comprises a first wear-resistant ring, a T-shaped sealing element and a second wear-resistant ring which are sequentially arranged, the first wear-resistant ring is sleeved on the pipeline, the T-shaped sealing element is sleeved on the first wear-resistant ring, the second wear-resistant ring is sleeved on the T-shaped sealing element, and grooves matched with the T-shaped sealing element are formed in the outer side wall of the first wear-resistant ring and the inner side wall of the second wear-resistant ring.

The utility model discloses a set up the sealing layer by first wear ring between end plate and pipeline, T type sealing member and second wear ring are constituteed, utilize first wear ring and second wear ring to form the protection to T type sealing member, also avoid the stop valve to make the possibility that T type sealing member turned up with the impact force in the high pressure that the lotion produced when being close to closing, also avoided filling the pipeline and wash pipeline infiltration and the problem of leaking, reach the purpose of avoiding T type sealing member to receive the life of cutting damage and extension stop valve in intermediate plate and end plate relative motion process.

Preferably, the driving assembly comprises a driving oil cylinder and a cross beam arranged at the top end of the upright post, the end part of the driving oil cylinder is arranged on the cross beam, and the end part of the movable end of the driving oil cylinder is fixedly connected with the top of the middle plate.

Preferably, a flange interface is arranged at the end part of the pipeline, a rubber spring is arranged between the flange interface and the sealing assembly, and the rubber spring is sleeved on the pipeline. Compress tightly the sealing layer through rubber spring, further prolonged the life of stop valve.

The utility model has the advantages of as follows:

1. the utility model discloses a set up the sealing layer by first wear ring between end plate and pipeline, T type sealing member and second wear ring are constituteed, utilize first wear ring and second wear ring to form the protection to T type sealing member, also avoid the stop valve to make the possibility that T type sealing member turned up with the impact force in the high pressure that the lotion produced when being close to closing, also avoided filling the pipeline and wash pipeline infiltration and the problem of leaking, reach the purpose of avoiding T type sealing member to receive the life of cutting damage and extension stop valve in intermediate plate and end plate relative motion process.

2. The utility model discloses a rubber spring compresses tightly the sealing layer, has further prolonged the life of stop valve.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a side sectional view of a stop valve suitable for a coal mine paste filling pipeline disclosed in an embodiment of the present invention;

fig. 2 is a schematic front view of a stop valve suitable for a coal mine paste filling pipeline disclosed in the embodiment of the present invention;

the corresponding part names indicated by the numbers and letters in the drawings:

1. column 2, end plate 3, intermediate plate 41, first wear-resistant ring 42, T-shaped seal 43, second wear-resistant ring

5. The pipeline 61, the driving oil cylinder 62, the cross beam 7, the flange connector 8 and the rubber spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The utility model provides a stop valve suitable for colliery lotion fills pipeline, its theory of operation is through setting up by first wear ring between end plate and pipeline, the sealing layer that T type sealing member and second wear ring are constituteed, utilize first wear ring and second wear ring to form the protection to T type sealing member, also avoid the stop valve to make the possibility that T type sealing member turned up with the impact force high pressure that the lotion produced when being close to closing, also avoided filling pipeline washing pipeline infiltration and the problem of leaking, reach the purpose of avoiding T type sealing member to receive the life who cuts the damage and prolong the stop valve in intermediate plate and end plate relative motion process.

The present invention will be described in further detail with reference to examples and embodiments.

As shown in fig. 1 and 2, a stop valve suitable for a coal mine paste filling pipeline comprises two parallel upright posts 1, end plates 2 arranged on two sides of a plane formed by the two upright posts, a middle plate 3 arranged between the two end plates, a driving assembly for driving the middle plate to move up and down along the upright post direction, a pipeline 5 arranged on the end plates, and a sealing assembly arranged between the end plates and the pipeline.

Wherein:

the sealing assembly comprises a first wear-resistant ring 41, a T-shaped sealing element 42 and a second wear-resistant ring 43 which are sequentially arranged, wherein the first wear-resistant ring 41 is sleeved on the pipeline 5, the T-shaped sealing element 42 is sleeved on the first wear-resistant ring 41, the second wear-resistant ring 43 is sleeved on the T-shaped sealing element 42, grooves matched with the T-shaped sealing element 42 are formed in the outer side wall of the first wear-resistant ring 41 and the inner side wall of the second wear-resistant ring 43, and the first wear-resistant ring 41, the T-shaped sealing element 42 and the second wear-resistant ring 43 face one side of the middle plate 3 and the inner side of the end plate 2 are located in the same vertical plane.

The driving assembly comprises a driving oil cylinder 61 and a cross beam 62 arranged at the top end of the upright post, the end part of the driving oil cylinder is arranged on the cross beam 62, and the end part of the movable end of the driving oil cylinder 61 is fixedly connected with the top of the middle plate 3.

The end of the pipeline 5 is provided with a flange interface 7, a rubber spring 8 is arranged between the flange interface 7 and the sealing layer, and the rubber spring is arranged on the pipeline 5 in a sleeved mode.

The utility model discloses a concrete application steps as follows: as shown in fig. 1 and 2, in the actual use process, the driving oil cylinder 61 drives the middle plate 3 to move up and down, so as to open and close the pipeline.

In the up-and-down moving process of the intermediate plate 3, the sealing assembly consisting of the first wear-resistant ring 41, the T-shaped sealing element 42 and the second wear-resistant ring 43 is pressed by the rubber spring 8 to ensure the sealing effect of the pipeline, and meanwhile, the high pressure and impact generated by the paste body when the opposite end plate 3 of the intermediate plate 3 moves are avoided to enable the T-shaped sealing element to be taken up, so that the T-shaped sealing element is prevented from being damaged, and the purpose of ensuring the reliable use of the stop valve is achieved.

In this way, the utility model provides a stop valve suitable for colliery lotion fills pipeline, through set up by first wear ring between end plate and pipeline, the sealing layer that T type sealing member and second wear ring are constituteed, utilize first wear ring and second wear ring to form the protection to T type sealing member, also avoid the stop valve to make the possibility that T type sealing member turned up with the impact force when being close the high pressure that the lotion produced when closing, also avoided filling pipeline washing pipeline infiltration and the problem of leaking, reach the reliable purpose of use of avoiding T type sealing member to receive the cut loss and guarantee the stop valve in intermediate plate and end plate relative motion process.

What has just been said above is the preferred embodiment of the stop valve suitable for colliery lotion fills pipeline that the utility model discloses, it should point out, to the ordinary skilled person in the art, do not deviate from the utility model discloses under the prerequisite of inventive concept, can also make a plurality of deformations and improvements, these all belong to the utility model discloses a protection scope.

Claims

1. A stop valve suitable for a coal mine paste filling pipeline is characterized by comprising two parallel upright posts, end plates arranged on two sides of a plane formed by the two upright posts, a middle plate arranged between the two end plates, a driving assembly for driving the middle plate to move up and down along the direction of the upright posts, a pipeline arranged on the end plates and a sealing assembly arranged between the end plates and the pipeline;

2. The stop valve suitable for the coal mine paste filling pipeline according to claim 1, wherein the driving assembly comprises a driving oil cylinder and a cross beam arranged at the top end of the upright post, the end part of the driving oil cylinder is installed on the cross beam, and the end part of the movable end of the driving oil cylinder is fixedly connected with the top of the middle plate.

3. The stop valve suitable for the coal mine paste filling pipeline according to claim 1, wherein a flange connector is arranged at the end part of the pipeline, a rubber spring is arranged between the flange connector and the sealing assembly, and the rubber spring is sleeved on the pipeline.