CN216202399U

CN216202399U - Annotate fat detection control device

Info

Publication number: CN216202399U
Application number: CN202121622259.1U
Authority: CN
Inventors: 余建平; 叶茂; 师永谋; 肖月根
Original assignee: China Oil and Gas Pipeline Network Corp
Current assignee: China Oil and Gas Pipeline Network Corp
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-04-05
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a grease injection detection control device, which comprises a device body provided with a grease injection cavity, wherein the grease injection cavity of the device body is connected with a grease injector, a valve grease injector, a pressure gauge, a discharge valve and a regulating valve; a first one-way valve is arranged in the valve grease injector; and the device regulating valve is connected with a mandril of which one end corresponds to the valve ball of the first one-way valve. The utility model provides a grease injection detection control device which has the functions of detecting grease injection pressure, cutting off grease injection action in an emergency and the like.

Description

Annotate fat detection control device

Technical Field

The utility model relates to the field of valve grease injection, in particular to a grease injection detection control device.

Background

The valve sealing grease has the advantages of no solidification, no dispersion, no dissolution and good pressure resistance. The periodic grease injection to the valve is a key measure for reducing the abrasion of the sealing surface of the valve and prolonging the service life of the valve. The valve grease injection is used as an emergency measure for treating valve internal leakage, and medium leakage is easily caused in the grease injection process such as misoperation or failure of a sealing grease lubricator. At present, foreign grease injection technologies mostly focus on how to inject grease, lack for prevention and study of grease injection risks, lack for grease injection detection, emergency cut-off and grease injection channel purging technologies, and cannot detect whether leakage exists in the grease injection process of a valve or not, and also cannot detect grease injection pressure, and have the hidden danger of backflow due to overlarge internal pressure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a grease injection detection control device which has the functions of detecting grease injection pressure, cutting off grease injection action in an emergency and the like.

In order to achieve the purpose, the utility model provides a grease injection detection control device, which comprises a device body provided with a grease injection cavity, wherein the grease injection cavity of the device body is connected with a grease injection device, a valve grease injection device, a pressure gauge, a device relief valve and a device regulating valve; a first one-way valve is arranged in the valve grease injector; and the device regulating valve is connected with a mandril of which one end corresponds to the valve ball of the first one-way valve.

As a further improvement of the utility model, the device regulating valve comprises an outer sleeve body and an inner sleeve body which are sequentially sleeved from outside to inside; the outer sleeve body is in threaded connection with the inner sleeve body; the ejector rod is detachably connected with one end of the inner sleeve body; the outer sleeve body is connected with the device body.

As a further improvement of the utility model, the outer sleeve body of the device regulating valve comprises a first sleeve body and a second sleeve body; one end of the second sleeve body extends into the inner side of the first sleeve body and is in threaded connection with the first sleeve body, and a sealing ring is clamped between one end of the second sleeve body and the inner side of the first sleeve body; the inner sleeve body penetrates through the first sleeve body and the second sleeve body, and the inner sleeve body is in threaded connection with the second sleeve body.

As a further improvement of the utility model, a pressure gauge switch is connected between the pressure gauge and the grease injection cavity of the device body.

As a further improvement of the utility model, a device grease filling switch is connected between the device grease filling device and the grease filling cavity.

As a further improvement of the utility model, a flow regulating piece, a first return spring and a second return spring are also arranged in the valve grease injector; the first return spring, the flow regulating piece, the second return spring, the valve ball and the ejector rod are sequentially arranged; the outer peripheral surface of the flow regulating part is provided with a first conical surface, the inner cavity of the valve grease injector is provided with a second conical surface, and the first conical surface of the flow regulating part is matched with the second conical surface of the valve grease injector.

As a further improvement of the utility model, the valve grease injector is detachably connected with the device body through a movable joint of the device.

Advantageous effects

Compared with the prior art, the grease injection detection control device has the advantages that:

1. the pressure in the grease injection process can be timely detected through the pressure gauge, the phenomenon that the grease flows backwards due to overlarge internal pressure is avoided, and meanwhile, the problem that whether leakage exists or not is judged. The valve grease injector can be opened by ejecting the valve bead of the first one-way valve in the valve grease injector through the ejector rod, and the grease injection flow is adjusted as required, so that the purpose of accurately injecting grease is achieved.

2. The ejector rod is detachably connected with one end of the inner sleeve body, the outer sleeve body of the device regulating valve is connected with the device body, and the matched ejector rod can be replaced according to the specification of the used valve grease injector.

3. In the valve grease injector, when the valve ball is ejected by the ejector rod, the first conical surface of the flow regulating part is separated from the second conical surface of the valve grease injector under the combined action of the first return spring and the second return spring, and the size of the gap between the first conical surface and the second conical surface is changed according to the depth of the valve ball ejected by the ejector rod, so that the flow regulation is realized, the structure is simple, and the work is stable.

4. The valve grease injector and the device body are detachably connected through the movable joint, so that the valve grease injectors with different specifications can be replaced as required, and the applicability is wide.

The utility model will become more apparent from the following description when taken in conjunction with the accompanying drawings, which illustrate embodiments of the utility model.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front cross-sectional view of a grease injection detection control device;

FIG. 2 is a left side partial cross-sectional view of the grease injection detection control device;

FIG. 3 is a rear view of the grease injection detection control device;

FIG. 4 is an enlarged cross-sectional view of the device regulator valve and ram;

FIG. 5 is an enlarged cross-sectional view of the valve grease injector and union.

Detailed Description

Embodiments of the present invention will now be described with reference to the accompanying drawings.

Examples

Referring to fig. 1 to 5, a grease injection detection control device includes a device body 11 having a grease injection cavity 12, the grease injection cavity 12 of the device body 11 is connected to a device grease injector 9, a valve grease injector 1, a pressure gauge 5, a device relief valve 8, and a device regulating valve 4. The device grease injector 9, the valve grease injector 1, the pressure gauge 5, the device bleeder valve 8 and the device regulating valve 4 are all installed on the device body 11. The valve grease injector 1 is internally provided with a first one-way valve. The device adjusting valve 4 is connected with a mandril 3 with one end corresponding to a valve ball 13 of a first one-way valve in the valve grease injector 1. The grease injection cavity 12 of the device body 11 is obtained by drilling, and the device body 11 is provided with a plug 10 positioned at one end of the grease injection cavity 12. The plug 10 can be detached to connect additional components to expand the function.

The device regulating valve 4 comprises an outer sleeve body and an inner sleeve body 42 which are sleeved from outside to inside in sequence. The outer sleeve 42 and the inner sleeve are threadedly coupled. The mandril 3 is detachably connected with one end of the inner sleeve body 42. The outer sleeve is screwed to the apparatus body 11. In this embodiment, the outer casing of the device control valve 4 includes a first casing 41 and a second casing 43. One end of the second sleeve body 43 extends into the inner side of the first sleeve body 41 and is in threaded connection with the first sleeve body 41, and a sealing ring 44 is clamped between one end of the second sleeve body 43 and the inner side of the first sleeve body 41. The inner sleeve body 42 penetrates through the first sleeve body 41 and the second sleeve body 43, and the inner sleeve body 42 is in threaded connection with the second sleeve body 43. The sealing ring 44 is in sealing sleeve connection with the inner sleeve 42. The first sleeve 41 is screwed to the apparatus body 11.

The valve grease injector 1 is detachably connected with the device body 11 through a device movable joint 2. One end of the movable joint 2 is in threaded connection with the device body 11, and the other end of the movable joint is in threaded connection with the valve grease injector 1. One end of the mandril 3 passes through the movable joint 2 and corresponds to a valve ball 13 of a first one-way valve in the valve grease injector 1. A gap for lubricating grease to pass through is reserved between the side wall of the mandril 3 and the inner wall of the movable joint 2.

A pressure gauge switch 6 is connected between the pressure gauge 5 and the grease injection cavity 12 of the device body 11. The pressure gauge switch 6 is provided with a handle, and the execution end of the pressure gauge switch 6 can enable a channel between the device body 11 and the pressure gauge 5 to be switched on or off by screwing the handle.

A device grease filling switch 7 is connected between the device grease filling device 9 and the grease filling cavity 12. The grease filling switch 7 is provided with a handle, and the actuating end of the grease filling switch 7 can enable a channel between the device body 11 and the grease filling device 9 to be switched on or off by screwing the handle.

The valve grease injector 1 is also internally provided with a flow regulating part 14, a first return spring 15 and a second return spring 16. The first return spring 15, the flow rate adjusting member 14, the second return spring 16, the valve ball 13, and the jack 3 are arranged in this order. The outer peripheral surface of the flow regulating part 14 is provided with a first conical surface, the inner cavity of the valve grease injector 1 is provided with a second conical surface, and the first conical surface of the flow regulating part 14 is matched with the second conical surface of the valve grease injector 1. In the valve grease injector 1, when the ejector rod 3 ejects the valve ball 13, the first conical surface of the flow regulating part 14 is separated from the second conical surface of the valve grease injector 1 under the combined action of the first return spring 15 and the second return spring 16, and the size of the gap between the first conical surface and the second conical surface is changed according to the depth of the ejector rod 3 ejecting the valve ball 13, so that the flow regulation is realized. A second sealing ring is arranged on the first conical surface of the flow regulating part 14.

Ejector pin 3 can be used to the position of adjusting valve notes fat ware 1 valve ball 13 and the opening and closing of flow control spare 14 under normal conditions, realizes annotating the washing of fat passageway and the control of valve inner chamber pressure, and usable ejector pin 3 carries out urgent shutoff to valve notes fat ware 1 under the emergency, avoids the valve to annotate revealing of fat ware 1. The scheme can be used for dismounting the valve grease injector 1 from the valve, directly maintaining the valve on a pipeline, is particularly suitable for cleaning and monitoring a system, can also be used for detecting the pressure of a valve cavity of the valve so as to judge whether the valve is leaked, and is particularly suitable for pipeline valves such as flat gate valves, ball valves and the like with flammable and explosive media and higher valve sealing requirements.

When the device regulating valve 4 is in an open state, cleaning agent is added through the device grease injector 9, and a valve grease injection system can be cleaned; the adjusting device adjusting valve 4 can open the one-way valve of the valve grease injector 1, the device can detect the pressure of the valve cavity of the valve at the moment, the pressure of the valve cavity of the valve is maintained after the pressure is relieved, and the leakage condition of the valve seat of the valve can be detected through the pressure change of the pressure gauge.

The present invention has been described in connection with the preferred embodiments, but the present invention is not limited to the embodiments disclosed above, and is intended to cover various modifications, equivalent combinations, which are made in accordance with the spirit of the present invention.

Claims

1. A grease injection detection control device comprises a device body (11) provided with a grease injection cavity (12), and is characterized in that the grease injection cavity (12) of the device body (11) is connected with a device grease injector (9), a valve grease injector (1), a pressure gauge (5), a device relief valve (8) and a device regulating valve (4); a first one-way valve is arranged in the valve grease injector (1); the device adjusting valve (4) is connected with a mandril (3) with one end corresponding to the valve ball (13) of the first one-way valve.

2. A grease injection detection control device according to claim 1, characterized in that the device regulating valve (4) comprises an outer sleeve body and an inner sleeve body (42) which are sleeved from outside to inside in sequence; the outer sleeve body is in threaded connection with the inner sleeve body (42); the ejector rod (3) is detachably connected with one end of the inner sleeve body (42); the outer sleeve body is connected with the device body (11).

3. A grease injection detection control device according to claim 2, characterized in that the outer sleeve of the device regulating valve (4) comprises a first sleeve body (41) and a second sleeve body (43); one end of the second sleeve body (43) extends into the inner side of the first sleeve body (41) and is in threaded connection with the first sleeve body, and a sealing ring (44) is clamped between one end of the second sleeve body (43) and the inner side of the first sleeve body (41); the inner sleeve body (42) penetrates through the first sleeve body (41) and the second sleeve body (43), and the inner sleeve body (42) is in threaded connection with the second sleeve body (43); the sealing ring (44) is in sealing sleeve connection with the inner sleeve body (42).

4. The grease injection detection control device according to claim 1, characterized in that a pressure gauge switch (6) is connected between the pressure gauge (5) and the grease injection cavity (12) of the device body (11).

5. A grease filling detection and control device according to claim 1, characterized in that a grease filling switch (7) is connected between the grease filling device (9) and the grease filling cavity (12).

6. The grease filling detection control device according to claim 1, characterized in that a flow regulating member (14), a first return spring (15) and a second return spring (16) are further arranged in the valve grease filling device (1); the first return spring (15), the flow regulating piece (14), the second return spring (16), the valve ball (13) and the ejector rod (3) are sequentially arranged; the outer peripheral surface of the flow regulating part (14) is provided with a first conical surface, the inner cavity of the valve grease injector (1) is provided with a second conical surface, and the first conical surface of the flow regulating part (14) is matched with the second conical surface of the valve grease injector (1).

7. A grease injection detection control device according to claim 1, characterized in that the valve grease injector (1) is detachably connected with the device body (11) through a device movable joint (2).