CN212614586U

CN212614586U - Direct-connection remote pressure relief type safety control device of oil pipe clamp

Info

Publication number: CN212614586U
Application number: CN202021034076.3U
Authority: CN
Inventors: 迟延庆; 王建寓; 李菊花
Original assignee: Laizhou City Toppower Petroleum Machinery Co ltd
Current assignee: Laizhou City Toppower Petroleum Machinery Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-26
Anticipated expiration: 2030-06-08

Abstract

The utility model belongs to the technical field of the control of oil pipe pincers, concretely relates to oil pipe pincers directly link long-range pressure release formula safety control device, including the emergency exit assembly, the emergency exit assembly includes the emergency exit, and the emergency exit assembly is connected with the emergency exit and acts as go-between, and the emergency exit is acted as go-between and is connected with fixing support, and the emergency exit is acted as go-between and is connected with the fixing base, and long-range relief valve is installed to the fixing base, and long-range relief valve includes valve body and case, and the case is acted. The utility model discloses a cooperation that emergency exit assembly, emergency exit were acted as go-between and long-range relief valve, can be long-range realize safety control to hydraulic motor. And opening the safety door, pushing a valve core of the remote oil drain valve to move through a safety door stay wire, enabling an oil inlet oil way of the hydraulic oil way to be communicated with an oil return oil way, and simultaneously blocking hydraulic oil from entering the hydraulic motor, so that the hydraulic motor cannot rotate, and the purpose that the oil pipe tong head cannot rotate is achieved.

Description

Direct-connection remote pressure relief type safety control device of oil pipe clamp

Technical Field

The utility model belongs to the technical field of the control of oil pipe pincers, concretely relates to oil pipe pincers directly link long-range pressure relief formula safety control device.

Background

At present, the oil pipe tongs for drilling and repairing wells produced in China control a hydraulic motor through a three-position four-way manual reversing valve; however, the existing line does not control the hydraulic motor, and when an operator opens the safety door, replaces a wearing part or performs other maintenance operations, the operator is easily injured, so that the oil pipe tongs directly connected with the remote pressure relief type safety control device needs to be designed to control the hydraulic motor.

SUMMERY OF THE UTILITY MODEL

To the problem that the above-mentioned background art provided, the utility model aims at: aims to provide a tubing tong directly connected remote pressure relief type safety control device. In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

oil pipe pincers directly link long-range pressure release formula safety control device, including the emergency exit assembly, the emergency exit assembly includes the emergency exit, the emergency exit assembly is connected with the emergency exit and acts as go-between, the emergency exit is acted as go-between and is connected with fixing base, the emergency exit is acted as go-between and is connected with the fixing base, long-range relief valve is installed to the fixing base, long-range relief valve includes valve body and case, the case is acted as go-between with the emergency exit and is connected, the valve body is equipped with switching-over valve.

Further inject, the emergency exit is connected with door handle, door-hinge, the emergency exit is connected with the spring coupling seat, the spring coupling seat is connected with the spring, the emergency exit is equipped with the connecting seat of acting as go-between that is used for being connected with the emergency exit acting as go-between.

Further limiting, the outer side of the safety door pull wire is connected with a plurality of pipe clamps.

Further limit, the fixing base is U type plate structure, and the board length of installation remote pressure relief valve side is longer than the board length of opposite side.

Further limiting, shaft check rings are arranged on two sides of the valve core, and a sealing rubber ring is arranged between the valve core and the valve body.

The utility model has the advantages that:

the utility model discloses a cooperation that emergency exit assembly, emergency exit were acted as go-between and long-range relief valve, can be long-range realize safety control to hydraulic motor. The safety door is opened, the valve core of the remote oil drain valve is pushed to move through the safety door stay wire, the oil inlet oil way of the hydraulic oil way is communicated with the oil return oil way, and meanwhile, hydraulic oil is blocked from entering the hydraulic motor, so that the hydraulic motor cannot rotate, the purpose that the oil pipe tong head cannot rotate is achieved, and personal injury accidents to operators are effectively avoided.

Adopt the utility model discloses technical scheme.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic structural diagram of an embodiment of the oil pipe clamp direct-connection remote pressure relief type safety control device of the present invention;

fig. 2 is a first schematic structural diagram of a safety door assembly in an embodiment of the oil pipe clamp direct-connected remote pressure relief type safety control device of the present invention;

fig. 3 is a schematic structural diagram of a second safety door assembly in an embodiment of the oil pipe clamp direct-connected remote pressure relief type safety control device of the present invention;

fig. 4 is a schematic view of a three-dimensional structure of a remote pressure relief valve in an embodiment of the oil pipe clamp direct-connected remote pressure relief type safety control device of the present invention;

fig. 5 is a schematic view of a cross-sectional structure of a remote pressure relief valve in an embodiment of the oil pipe clamp directly connected to the remote pressure relief type safety control device of the present invention;

fig. 6 is a schematic structural diagram of the working principle of the remote pressure relief valve when the safety door is closed in the embodiment of the oil pipe clamp direct-connected remote pressure relief type safety control device of the present invention;

fig. 7 is a schematic structural diagram of the working principle of the remote pressure relief valve when the safety door is opened in the embodiment of the oil pipe clamp direct-connected remote pressure relief type safety control device of the present invention;

the main element symbols are as follows:

the safety door assembly comprises a safety door assembly 1, a safety door 11, a door handle 12, a door shaft 13, a spring connecting seat 14, a spring 15, a pull wire connecting seat 16, a safety door pull wire 2, a pipe clamp 21, a fixed support 3, a fixed seat 4, a remote pressure release valve 5, a valve body 50, a valve core 51, a reversing valve oil inlet 52, a hydraulic motor oil inlet 53, an oil return port 54, a shaft retainer ring 55, a sealing rubber ring 56 and a hydraulic motor 6.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-5, the utility model discloses an oil pipe pincers directly link long-range pressure release formula safety control device, including emergency exit assembly 1, emergency exit assembly 1 includes emergency exit 11, and emergency exit assembly 1 is connected with the emergency exit and acts as go-between 2, and the emergency exit is acted as go-between 2 and is connected with fixing support 3, and the emergency exit is acted as go-between 2 and is connected with fixing base 4, and long-range relief valve 5 is installed to fixing base 4, and long-range relief valve 5 includes valve body 50 and case 51, and case 51 is acted as go-between 2 with the emergency exit and is connected, and valve body.

Using an oil pipe clamp to directly connect a remote pressure relief type safety control device, as shown in fig. 6, when the safety door 11 is closed, under the action of the safety door pull wire 2, the valve core 51 moves leftwards, at this time, the valve core 51 blocks the reversing valve oil inlet 52 of the remote pressure relief valve 5, and the oil way of the hydraulic motor 6 is in an open state, so that the hydraulic motor 6 operates normally; as shown in fig. 7, when the safety gate 11 is opened, the spool 51 moves rightward by the safety gate wire 2, and at this time, the spool 51 blocks the hydraulic motor oil inlet 53 of the remote relief valve 5, and the hydraulic motor 6 stops operating because the oil path of the hydraulic motor 6 is closed.

The safety door 11 is connected with a door handle 12 and a door shaft 13, the safety door 11 is connected with a spring connecting seat 14, the spring connecting seat 14 is connected with a spring 15, and the safety door 11 is provided with a pull wire connecting seat 16 for connecting a safety door pull wire 2. Due to the design, the safety door assembly 1 can be used more conveniently, and the safety door assembly 1 cannot be opened easily when being closed under the action of the spring 15.

Wherein, the outer side of the safety door stay wire 2 is connected with a plurality of pipe clamps 21. With the design, the safety door pull wire 2 can be installed and fixed on the line through the pipe clamp 21.

Wherein, fixing base 4 is U template structure, and the board length of installing remote relief valve 5 side is longer than the board length of opposite side. The installation effect of the remote pressure relief valve 5 can be better, and the safety door pull wire 2 is connected with the valve core 51 in a straight line.

Wherein, the both sides of case 51 are equipped with the retaining ring 55 for the shaft, are equipped with between case 51 and the valve body 50 and seal rubber ring 56. With such a design, the valve body 51 can be used more effectively.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. Oil pipe pincers directly link long-range pressure release formula safety control device, its characterized in that: including emergency exit assembly (1), emergency exit assembly (1) includes emergency exit (11), emergency exit assembly (1) is connected with emergency exit stay wire (2), emergency exit stay wire (2) is connected with fixing support (3), emergency exit stay wire (2) is connected with fixing base (4), long-range relief valve (5) are installed in fixing base (4), long-range relief valve (5) are including valve body (50) and case (51), case (51) are connected with emergency exit stay wire (2), valve body (50) are equipped with switching-over valve oil inlet (52), hydraulic motor oil inlet (53) and oil return opening (54).

2. The tubing tong direct-connected remote pressure relief type safety control device of claim 1, characterized in that: the safety door (11) is connected with a door handle (12) and a door shaft (13), the safety door (11) is connected with a spring connecting seat (14), the spring connecting seat (14) is connected with a spring (15), and the safety door (11) is provided with a stay wire connecting seat (16) used for being connected with a safety door stay wire (2).

3. The tubing tong direct-connected remote pressure relief type safety control device of claim 1, characterized in that: the outer side of the safety door stay wire (2) is connected with a plurality of pipe clamps (21).

4. The tubing tong direct-connected remote pressure relief type safety control device of claim 1, characterized in that: the fixing seat (4) is of a U-shaped plate structure, and the length of the plate on the side where the remote pressure release valve (5) is installed is longer than that of the plate on the other side.

5. The tubing tong direct-connected remote pressure relief type safety control device of claim 1, characterized in that: and two sides of the valve core (51) are provided with shaft check rings (55), and a sealing rubber ring (56) is arranged between the valve core (51) and the valve body (50).