CN218670036U

CN218670036U - Hydraulic double sealing device

Info

Publication number: CN218670036U
Application number: CN202223419462.6U
Authority: CN
Inventors: 高晓国
Original assignee: Inner Mongolia Pacific Mining Co ltd
Current assignee: Inner Mongolia Pacific Mining Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-03-21
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a hydraulic pressure double sealing device, it includes uncovered cylinder body: the inner cavity of the open cylinder body is connected with a piston body in a sliding mode, two wear-resisting rings and two piston sealing pieces are sleeved on the surface of the piston body, grooves for mounting the wear-resisting rings and the piston sealing pieces are formed in the surface of the piston body, and one wear-resisting ring is located between the two piston sealing pieces. The utility model discloses a surface mounting at the piston body has twice piston seal spare, widen piston body sealing contact surface, play the dual seal protection, make locking device do not take place the rigidity contact in piston body full stroke work, avoid piston body and uncovered cylinder body to take place scraping and wearing and tearing, thereby guarantee locking device safe and reliable operation, wear-resisting ring's setting in addition, the wear-resisting effect of piston body has been improved, improve locking cylinder life, reduce frequent maintenance and change and hinder production, the locking cylinder leakage has been avoided, save spare part cost of maintenance.

Description

Hydraulic double sealing device

Technical Field

The utility model belongs to the technical field of the locking jar, especially, relate to a hydraulic pressure double seal device.

Background

The working principle of the existing locking cylinder is that reciprocating motion of a piston type cylinder body is adopted, hydraulic oil is injected into the cylinder body to enable a piston to move upwards, an adjusting ring is connected with a fixed cone by using the locking cylinder, and the fixing and locking of the adjusting ring on the fixed cone are realized to ensure the normal work of the crusher.

When the existing locking cylinder piston is subjected to iron passing and large block ring jumping, the oil seal of the locking cylinder is easily turned over and drawn, oil leakage occurs, the crusher cannot normally operate, frequent maintenance and replacement are needed, production is delayed, and the maintenance cost of spare parts is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hydraulic pressure double sealing device to solve the piston in the current locking jar and cross iron, when too big ring jump at equipment, lead to the locking jar oil blanket to turn over lip, wire drawing easily, the oil leak phenomenon appears, leads to the unable normal operating of breaker, needs frequent maintenance and change to hinder production, has improved spare part cost of maintenance technical problem.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a hydraulic double sealing device, comprising an open cylinder: the inner cavity sliding connection of uncovered cylinder body has the piston body, the surface cover of piston body is equipped with two wear rings and two piston seal spare, the surface of piston body is seted up the recess that supplies wear ring and piston seal spare to install, and a wear ring is located between two piston seal spare, and another wear ring is located the left side of left side piston seal spare, piston seal spare includes sealing ring and backup module.

Preferably, the right-hand member of uncovered cylinder body is provided with the connection limit, the embedded fixed mounting in right-hand member on connection limit has solid fixed ring, gu fixed ring's left side fixedly connected with cover establishes the seal ring at this end of body of piston.

Preferably, the right side of the connecting edge is provided with a circular groove for placing a fixing ring, the right annular array of the fixing ring is provided with a plurality of bolts in a penetrating manner, and the inner wall annular array of the circular groove is provided with a plurality of threaded holes for connecting the bolts in a threaded manner.

Preferably, the right side ring array of the fixed ring is provided with a plurality of jacks for bolts to be inserted.

Preferably, the left end of the open cylinder body is provided with an oil inlet.

1. The utility model has the advantages that: the utility model discloses a surface mounting at the piston body has twice piston seal spare, widen piston body sealing contact surface, play double sealing protection, make locking device do not take place the rigidity contact in piston body full stroke work, avoid piston body and uncovered cylinder body to take place scraping and wearing and tearing, thereby guarantee locking device safe and reliable operation, and wear ring's setting, the abrasive effect of piston body has been improved, improve locking cylinder life, it hinders production to reduce frequent maintenance and change, locking cylinder leakage has been avoided, spare part cost of maintenance is practiced thrift, solve the interior piston of current locking cylinder at equipment cross iron, when too big ring jumps, lead to locking cylinder oil blanket to turn over the lip easily, the wire drawing, oil leak phenomenon appears, lead to the unable normal operating of breaker, need frequent maintenance and change to hinder production, spare part cost of maintenance problem has been improved.

2. The utility model discloses a cooperation of bolt, circular slot, screw hole and jack is used, can make things convenient for the solid fixed ring in later stage and seal the ring wearing and tearing, is convenient for change solid fixed ring and seal ring, also can conveniently overhaul and change wear ring and piston seal spare on the piston body.

Drawings

The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and not by way of limitation, wherein:

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

fig. 2 is a schematic view of the three-dimensional separation of the connecting edge and the fixing ring according to an embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. open cylinder body, 2, connection limit, 3, piston body, 4, wear ring, 5, piston sealing member, 51, sealing ring, 52, backup module, 6, solid fixed ring, 7, seal ring, 8, bolt, 9, circular slot, 10, screw hole, 11, jack, 12, oil inlet.

Detailed Description

Hereinafter, an embodiment of the hydraulic double sealing device of the present invention will be described with reference to the accompanying drawings.

The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

The drawings attached to the present specification are schematic views for assisting the explanation of the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.

Fig. 1-2 show the hydraulic double sealing device of an embodiment of the present invention, which includes an open cylinder body 1: an oil inlet 12 has been seted up to the left end of uncovered cylinder body 1, the inner chamber sliding connection of uncovered cylinder body 1 has piston body 3, the surface cover of piston body 3 is equipped with two wear-resisting rings 4 and two piston seal spare 5, the surface of piston body 3 is seted up and is supplied the recess that wear-resisting ring 4 and piston seal spare 5 installed, a wear-resisting ring 4 is located between two piston seal spare 5, another wear-resisting ring 4 is located the left side of left side piston seal spare 5, piston seal spare 5 includes sealing ring 51 and backup module 52, the right-hand member of uncovered cylinder body 1 is provided with connection limit 2, the embedded fixed ring 6 of fixed ring 2's right-hand member fixed mounting, the left side fixedly connected with cover of solid fixed ring 6 is established at the seal ring 7 of piston body 3 tip, the right side of connection limit 2 is seted up and is provided with the circular slot 9 that supplies solid fixed ring 6 to place, the right side annular array of solid fixed ring 6 runs through and is provided with a plurality of bolts 8, the interior wall annular array of circular slot 9 sets up a plurality of screw holes 10 that supply bolt 8 threaded connection, gu fixed ring 6 and solid fixed ring 6's jack is seted up a plurality of jacks 11, solid fixed ring 6 and solid fixed ring 11 that supply bolt 8 male jack and go on the right side annular array, through bolt 8, use, it is convenient for later stage wearing and seal ring 7 and piston seal ring 7 and go on piston seal ring 5 and go on the piston seal ring to carry out convenient to overhaul piston seal ring 5.

The working principle is as follows: the utility model discloses during the use, the user is through seting up the recess with piston body 3's surface, the recess is used for installing wear ring 4 and piston seal 5, piston body 3 that will install wear ring 4 and piston seal 5 inserts uncovered cylinder body 1's inner chamber, insert the inner chamber of circular slot 9 with solid fixed ring 6 and seal ring 7, make jack 11 align with screw hole 10, insert bolt 8 with solid fixed ring 6 and seal ring 7 installation fixed, can put into use, there are twice piston seal 5 at piston body 3's surface mounting, widen piston body 3 sealing contact face, play the dual seal protection, make locking device do not take place the rigid contact in piston body 3 full stroke work, avoid piston body 3 and uncovered cylinder body 1 to take place scraping and wearing and tearing, thereby guarantee locking device safe and reliable operation.

In conclusion: this hydraulic pressure double sealing device, through surface mounting at piston body 3 has twice piston seal 5, widen piston body 3 sealing contact surface, play double seal protection, make locking device not take place rigid contact in piston body 3 full stroke work, avoid piston body 3 and uncovered cylinder body 1 to take place scraping and wearing and tearing, thereby guarantee locking device safe and reliable operation, and wear ring 4's setting has improved piston body 3's wear-resisting effect, improve locking cylinder life, reduce frequent maintenance and change and hinder the production, locking cylinder leakage has been avoided, spare part cost of maintenance is practiced thrift, solve the piston in the present locking cylinder and cross the iron at equipment, when too big block ring jumps, lead to easily locking cylinder oil blanket turning over the lip, the wire drawing, the oil leak phenomenon appears, lead to the unable normal operating of breaker, need frequent maintenance and change to hinder the production, spare part cost of maintenance problem has been improved.

The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention to achieve the aim of the invention.

Claims

1. A hydraulic double sealing device, characterized by comprising an open cylinder (1): the inner chamber sliding connection of uncovered cylinder body (1) has piston body (3), the surface cover of piston body (3) is equipped with two wear ring (4) and two piston seal spare (5), the surface of piston body (3) is seted up and is supplied wear ring (4) and piston seal spare (5) recess of installing, and one wear ring (4) are located between two piston seal spare (5), and another wear ring (4) are located the left side of left side piston seal spare (5), piston seal spare (5) are including sealing ring (51) and backup module (52).

2. The hydraulic double sealing device according to claim 1, wherein the right end of the open cylinder body (1) is provided with a connecting edge (2), a fixing ring (6) is fixedly installed at the right end of the connecting edge (2) in an embedded manner, and a sealing ring (7) at the end of the piston body (3) is fixedly connected with the left side of the fixing ring (6) in a sleeved manner.

3. The hydraulic double sealing device according to claim 2, wherein a circular groove (9) for placing the fixing ring (6) is formed in the right side of the connecting edge (2), a plurality of bolts (8) are arranged in the right annular array of the fixing ring (6) in a penetrating manner, and a plurality of threaded holes (10) for the bolts (8) to be in threaded connection are formed in the inner annular array of the circular groove (9).

4. A hydraulic double sealing device according to claim 3, characterized in that the right annular array of the fixing ring (6) is provided with a plurality of insertion holes (11) for inserting the bolts (8).

5. The hydraulic double sealing device according to claim 4, wherein the left end of the open cylinder (1) is provided with an oil inlet (12).