CN219212418U

CN219212418U - Water supply regulating door dismounting tool

Info

Publication number: CN219212418U
Application number: CN202320111068.1U
Authority: CN
Inventors: 闫保青; 曹勇; 刘贵锋; 李凤成; 孙海鹰; 陈志强
Original assignee: Huarun Electric Power Tangshan Caofeidian Co ltd
Current assignee: Huarun Electric Power Tangshan Caofeidian Co ltd
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-06-20
Anticipated expiration: 2033-01-16

Abstract

The utility model relates to the technical field of maintenance of regulating valves, in particular to a water supply regulating valve dismounting tool which comprises a bracket, a rotating assembly, a lifting assembly and a turning tool, wherein the rotating assembly comprises a rotating shaft and a first driving piece, the rotating shaft and the first driving piece are vertically arranged, and the first driving piece is configured to drive the rotating shaft to rotate; the lifting component is arranged on the bracket and is configured to drive the rotating component to lift; the lathe tool is installed on the rotation axis off-center, and the blade of lathe tool is down. The water supply valve adjusting and dismounting tool can be used for turning the valve cage gland thin when the valve cage gland cannot be dismounted normally, and then the valve cage gland is dismounted, so that the overhaul cost is reduced.

Description

Water supply regulating door dismounting tool

Technical Field

The utility model relates to the technical field of maintenance of regulating valves, in particular to a water supply regulating valve dismounting tool.

Background

The water supply valve is an important valve for water supply control of a boiler in a million-generation set, and referring to fig. 1, the water supply valve generally adopts a cage valve, and comprises a valve body, a valve cover, a valve seat, a valve core, a valve cage and a valve cage gland, wherein the valve cage is positioned in the valve body and can cover the valve core, the effects of inhibiting vibration of the valve core, reducing noise and reducing pressure of one stage are achieved, and the valve cage gland is positioned on the periphery of the top of the valve cage and is in threaded connection with the inner wall of the valve body so as to radially position the valve cage.

Under normal conditions, the valve cage gland can be unscrewed by rotating in the direction opposite to the screwing direction during installation, but sometimes the condition of seizure can occur between the valve cage gland and the valve body, the valve cage gland cannot be disassembled in a normal unscrewing mode, so that when a water supply valve is in a problem, the whole valve cage gland needs to be replaced, and the replacement cost is increased.

Disclosure of Invention

The utility model aims to provide a water supply valve adjusting dismounting tool which can be used for turning a valve cage gland under the condition that the valve cage gland cannot be dismounted normally, so that conditions are created for dismounting the valve cage gland.

To achieve the purpose, the utility model adopts the following technical scheme:

the water supply valve adjusting and dismounting tool comprises a bracket, a rotating assembly, a lifting assembly and a turning tool, wherein the rotating assembly comprises a rotating shaft and a first driving piece, the rotating shaft is vertically arranged, and the first driving piece is configured to drive the rotating shaft to rotate; the lifting component is arranged on the bracket and is configured to drive the rotating component to lift; the turning tool is eccentrically arranged on the rotating shaft, and the cutting edge of the turning tool faces downwards.

Optionally, a horizontal distance between the turning tool and the rotation axis is adjustable.

Optionally, the lathe tool is installed through the installation pole on the rotation axis, be fixed with locking screw on the lathe tool, the installation pole is kept away from the one end of rotation axis is provided with the edge installation groove and the regulation hole that extend of length direction of installation pole, the regulation hole with the mounting groove intercommunication, the lathe tool is installed in the mounting groove, locking screw is followed wear out in the mounting groove the regulation hole and cover are equipped with lock nut, lock nut with locking screw threaded connection.

Optionally, the mounting groove and the adjusting hole penetrate through an end face of one end of the mounting rod.

Optionally, the lifting assembly comprises a lifting screw, the lifting screw vertically penetrates through the support and is in threaded connection with the support, and the first driving piece is fixedly connected with the lifting screw.

Optionally, the lifting screw is provided with a force application part.

Optionally, the water supply valve further comprises an annular shell, the outer diameter of the shell is smaller than the inner diameter of the valve body of the water supply valve, a limiting ring is arranged on the periphery of the shell, after the shell stretches into the water supply valve, the limiting ring can be abutted to the end face of the top end of the valve body, and an operation area for the turning tool to operate is formed between the shell and the valve cage.

Optionally, the outer diameter of the limiting ring is the same as the outer diameter of the top end face of the valve body.

Optionally, a bar-shaped groove extending along the vertical direction and penetrating the bottom of the shell is further formed in the shell.

Optionally, the lifting assembly further comprises a guide rail and a slide bar vertically arranged inside the shell, one end of the slide bar is fixedly connected with the first driving piece, the other end of the slide bar is provided with a sliding block, and the sliding block is in sliding fit with the guide rail.

The beneficial effects of the utility model are as follows: when the valve cage gland and the valve body of the water supply valve are difficult to separate by adopting a normal means, compared with the whole water supply valve, the water supply valve disassembling tool can take down the valve cage gland on the premise of not damaging other structures of the water supply valve, when in operation, firstly, the top of the self-supporting water valve stretches into the water supply valve, the valve cage gland is turned by utilizing a turning tool, the depth of the turning tool stretching into the water supply valve can be adjusted by setting the lifting assembly, so that the turning tool can cut from the top end face of the valve cage gland to the bottom end face of the valve cage gland, the valve cage gland is thinned integrally, and an operation space is provided for the next cutting operation.

Drawings

FIG. 1 is a schematic view of a prior art feedwater valve;

FIG. 2 is a schematic view of a construction of a water diversion gate removal tool in accordance with an embodiment of the present utility model;

fig. 3 is a partial cross-sectional view of a service door removal tool in accordance with an embodiment of the present utility model.

In the figure, 10, a water supply door adjusting dismounting tool; 11. a bracket; 12. a rotation shaft; 13. a first driving member; 14. turning tools; 15. a lifting assembly; 16. a guide rail; 17. a slide bar; 18. a mounting rod; 18a, an adjustment aperture; 19. a housing; 19a, a limiting ring; 19b, a bar-shaped groove; 20. a water supply regulating valve; 21. a valve cover; 22. a valve body; 23. a valve cage gland; 24. a valve cage; 25. a valve seat; 26. and a valve core.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of operation, and are not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 2-3, in order to detach the cage gland 23 "bitten" with the valve body 22, this embodiment proposes a water supply and adjustment door detachment tool 10, which includes a support 11, a lifting assembly 15, a rotating assembly and a turning tool 14, wherein the lifting assembly 15 is disposed on the support 11 and connected with the rotating assembly, the lifting assembly 15 is configured to drive the whole rotating assembly to perform lifting motion, the rotating assembly includes a first driving member 13 and a vertically disposed rotating shaft 12, an output end of the first driving member 13 is connected with the rotating shaft 12 and configured to drive the rotating shaft 12 to rotate, the first driving member 13 may be specifically an integral motor reducer, and the turning tool 14 is eccentrically mounted on the rotating shaft 12 and can rotate with the rotating shaft 12 as an axis under the driving of the rotating shaft 12, and a cutting edge of the turning tool 14 faces downward.

Under the action of the rotating component, the turning tool 14 starts turning the valve cage gland 23 from the top of the valve cage gland 23, and it can be understood that the radius of the circle formed by the rotation of the turning tool 14 is between the inner diameter of the valve cage gland 23 and the outer diameter of the valve cage gland 23, in the turning process, the lifting component 15 drives the turning tool 14 to gradually descend, and the inner side of the valve cage gland 23 is turned from the top end of the valve cage gland 23 to the bottom end of the valve cage gland 23, so that the valve cage gland 23 is thinned, a certain gap is formed between the valve cage gland 23 and the valve cage 24, the valve cage gland 23 can be cut from the gap, and the closed ring is changed into a ring with a notch, so that the valve cage gland 23 is smoothly taken down from the valve body 22.

The horizontal distance between the turning tool 14 and the rotating shaft 12 is adjustable, and the radius of the circle formed by rotating the turning tool 14 can be adjusted by adjusting the distance between the turning tool 14 and the rotating shaft 12 so as to be matched with the size of the valve cage gland 23. Specifically, the rotary assembly further includes a mounting bar 18, and the turning tool 14 is mounted to the rotary shaft 12 via the mounting bar 18. Illustratively, the installation pole 18 level rigid coupling is in the one end that the rotation axis 12 kept away from first power spare, be fixed with locking screw on the lathe tool 14, the one end that the installation pole 18 kept away from the rotation axis 12 is provided with mounting groove and the regulation hole 18a that extend along the length direction of installation pole 18, regulation hole 18a communicates with the mounting groove, the lathe tool 14 is installed in the mounting groove, and locking screw wears out regulation hole 18a and cover from the mounting groove and is equipped with lock nut, lock nut and lock screw threaded connection, through unscrewing lock nut, can adjust the position of locking screw in regulation hole 18a, and then realize the adjustment to lathe tool 14 position. Further, the mounting groove and the adjusting hole 18a penetrate through an end surface of the mounting rod 18, so as to facilitate replacement of the turning tool 14.

In order to accurately control the descending height of the rotating assembly to match the turning process of the turning tool 14, the lifting assembly 15 comprises a lifting screw rod vertically penetrating through the support 11 and in threaded connection with the support 11, the support 11 is specifically arranged in an inverted U shape, one end of the lifting screw rod vertically penetrates through the center of the support 11 to be connected with the first driving piece 13, and a rotating shaft 12 connected with the output end of the first driving piece 13 is coaxially arranged with the lifting screw rod, and the first driving piece 13 performs lifting motion relative to the support 11 along with the rotation of the lifting screw rod. In this embodiment, in order to reduce the cost, the lifting screw is manually rotated, and the lifting screw is provided with a force application portion for facilitating the application of force, and the lifting screw is rotated by manually rotating the force application portion. In other embodiments, the rotation of the lifting screw may also be achieved by a second driving member, which may also be an integral motor reducer. In other embodiments, the lifting assembly 15 may also be a linear motor, a rack and pinion arrangement, or the like.

Still further, the water gate removal tool 10 further includes an annular housing 19, and the turning tool 14 is capable of fully retracting within the housing 19 when in a non-operational state to facilitate standing of the water gate removal tool 10. The external diameter of shell 19 is less than the internal diameter of valve body 22 of water supply valve 20, shell 19 can be placed in inside valve body 22, the periphery of shell 19 is provided with spacing ring 19a, after this water supply valve extracting tool 10 inserts water supply valve 20, spacing ring 19a can with valve body 22 top terminal surface butt and spacing ring 19a and valve body 22 top terminal surface distance be less than cage gland 23 and valve body 22 top terminal surface distance, spacing ring 19a makes the shell 19 keep certain distance between 24 and the cage, lathe tool 14 can stretch out shell 19 along shell 19 axial and carry out the lathe work to cage gland 23 in the operation region.

Illustratively, the outer diameter of the limiting ring 19a is the same as the outer diameter of the top end surface of the valve body 22, and the rotating shaft 12 and the valve body 22 can be ensured to be coaxial by adjusting the position of the limiting ring 19a to align the limiting ring 19a with the top end surface of the valve body 22. The housing 19 with different specifications can be selected according to the specifications of the overhauled water supply regulating valve 20.

The shell 19 is also provided with a strip-shaped groove 19b which extends along the vertical direction and is communicated with the bottom of the shell 19, and the position of the turning tool 14 can be adjusted or the turning tool 14 can be replaced by entering the shell 19 from the strip-shaped groove 19b without entering from the bottom of the shell 19, so that the disassembly and assembly difficulty of the turning tool 14 is reduced.

In order to ensure that the rotating assembly is lifted vertically, the lifting assembly 15 further comprises a guide rail 16 and a slide rod 17 which are vertically arranged in the housing 19, one end of the slide rod 17 is fixedly connected with the driving assembly and the first driving member 13, and the other end of the slide rod is provided with a sliding block which is in sliding fit with the guide rail 16.

In the process of disassembling the water supply valve 20, firstly, the valve cover 21 and the valve rod are disassembled, when the valve cage gland 23 and the valve body 22 are difficult to separate, the water supply valve disassembling tool 10 in the embodiment can be adopted, the water supply valve disassembling tool 10 is stretched into the valve body 22 until the limiting ring 19a is abutted against the end face of the top end of the valve body 22, the force application part is applied to rotate the screw rod, the turning tool 14 is driven to descend until the turning tool 14 is abutted against the end face of the valve cage gland 23, at the moment, the turning tool 14 is close to the inner side of the valve cage gland 23, the rotating assembly drives the turning tool 14 to rotate, the turning tool 14 starts turning the valve cage gland 23, in the turning process, the lifting assembly 15 continuously drives the turning tool 14 to descend, so that the valve cage gland 23 is thinned from the inner side to generate a gap with the valve cage 24, if the valve cage gland is required to be thinned continuously, the water supply valve assembling tool 10 can be taken out, the position of the turning tool 14 is adjusted, then the step is repeated, after the pin is thinned to a certain extent, the turning tool 23 is cut along the inner side of the valve cage 24, the valve cage gland 23 is taken out on the basis that other structures of the valve cage gland 20 are not damaged, and the disassembly work is realized.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. Water supply transfer gate extracting tool, its characterized in that includes:

a bracket (11);

a rotation assembly comprising a vertically arranged rotation shaft (12) and a first drive (13), the first drive (13) being configured to drive the rotation shaft (12) in rotation;

a lifting assembly (15), wherein the lifting assembly (15) is arranged on the bracket (11) and is configured to drive the rotating assembly to lift;

the turning tool (14), lathe tool (14) eccentric mounting is on rotation axis (12), the blade of lathe tool (14) is down.

2. The water gate removal tool of claim 1, wherein a horizontal distance between the turning tool (14) and the rotational axis (12) is adjustable.

3. The water supply and adjustment door disassembling tool according to claim 2, characterized in that the turning tool (14) is installed on the rotating shaft (12) through a mounting rod (18), a locking screw is fixed on the turning tool (14), one end of the mounting rod (18) away from the rotating shaft (12) is provided with a mounting groove extending along the length direction of the mounting rod (18) and an adjusting hole (18 a), the adjusting hole (18 a) is communicated with the mounting groove, the turning tool (14) is installed in the mounting groove, the locking screw penetrates out of the adjusting hole (18 a) from the mounting groove and is sleeved with a locking nut, and the locking nut is in threaded connection with the locking screw.

4. A water gate removal tool as claimed in claim 3, wherein the mounting slot and the adjustment aperture (18 a) each extend through an end face of the mounting bar (18).

5. The water gate removal tool of claim 1, wherein the lifting assembly (15) comprises a lifting screw vertically passing through the bracket (11) and threadedly connected to the bracket (11), the first drive member (13) being fixedly connected to the lifting screw.

6. The water gate removing tool according to claim 5, wherein the lifting screw is provided with a biasing portion.

7. The water supply valve dismounting tool as claimed in claim 1, further comprising an annular housing (19), wherein the outer diameter of the housing (19) is smaller than the inner diameter of a valve body (22) of the water supply valve (20), a limiting ring (19 a) is arranged on the periphery of the housing (19), and after the housing (19) stretches into the valve body (22), the limiting ring (19 a) can be abutted with the top end face of the valve body (22), and a working area for the turning tool (14) to work is formed between the housing (19) and a valve cage (24) in the water supply valve (20).

8. The water valve disassembly tool according to claim 7, wherein the outer diameter of the limit ring (19 a) is the same as the outer diameter of the top end face of the valve body (22).

9. The water valve dismounting tool as claimed in claim 7, wherein the housing (19) is further provided with a strip-shaped groove (19 b) extending in a vertical direction and penetrating the bottom of the housing (19).

10. The water supply and adjustment door dismounting tool according to claim 7, characterized in that the lifting assembly (15) further comprises a guide rail (16) and a slide bar (17) which are vertically arranged inside the housing (19), one end of the slide bar (17) is fixedly connected with the first driving piece (13), and the other end is provided with a slide block which is in sliding fit with the guide rail (16).