Quick dismounting tool set for pressure regulating valve

Abstract

The utility model relates to a quick dismounting tool set for a pressure regulating valve, which comprises a stop sleeve dismounting device, a piston rod end cover dismounting device and a valve rod end cover dismounting device, the stop sleeve dismounting device comprises a drawing device, an action block and two flange ejector rods, the action block is used for being connected to one end face of a stop sleeve, and the two flange ejector rods are used for being connected to the other end face of the stop sleeve. The puller is used for being attached to the end face of one end of a stop sleeve of the pressure regulating valve and attached to the acting block. And the two flange ejector rods are respectively inserted into flange holes of the flange outside the stop sleeve and are respectively propped against the two sides of the puller. The quick dismounting tool set for the pressure regulating valve has the advantages of being simple in structure, reasonable in design, capable of achieving quick dismounting of the pressure regulating valve, free of dependence on professional maintenance personnel, convenient to maintain, high in maintenance efficiency, capable of saving manpower and material resources and low in cost.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure regulating valve disassembly tools, in particular to a pressure regulating valve quick disassembly tool set. Background Art

[0002] The pressure regulating skid of the gas transmission station is a control device to meet the pressure and flow requirements of downstream users, especially the working pressure regulating valve, which is a key device. In order to maintain the downstream pressure or flow, it is also the device that is most frequently switched on and off. With the increase of the operating time of the equipment on the operation site, the on-site equipment, especially the PV valve, has internal leakage, blocking, flow does not reach the corresponding value of the opening, and gas seepage at the safety relief port. The main reasons are: first, the valve port gasket is worn or the valve core is damaged, the cage is worn, and fluid impurities block the cage holes. Second, the main shaft seal (piston rod) seal is damaged or aged, causing natural gas to enter it and be discharged through the safety relief port, forming an external leakage phenomenon. In addition, according to the requirements of the spring and autumn inspection work, the pressure regulating facilities need to be repaired and the seals updated according to the annual limit.

[0003] Due to the special structure of the pressure regulating valve, maintenance requires special tools and professionals, and the maintenance cost is high. In addition, since the manufacturer is unable to arrive on site in time when a failure occurs, it poses a safety hazard to the smooth gas transmission. Utility Model Content

[0004] The utility model provides a pressure regulating valve quick disassembly tool set, aiming to solve the problems in the prior art.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] A pressure regulating valve quick disassembly tool set includes a stop sleeve remover, a piston rod end cover remover and a valve stem end cover remover, the stop sleeve remover includes a puller, an action block and two flange push rods, the action block is used to be connected to one end face of the stop sleeve, the puller is used to fit with one end face of the stop sleeve of the pressure regulating valve and fit with the action block; the two flange push rods are respectively inserted into the flange eyes of the flange outside the stop sleeve, and respectively abut against the two sides of the puller.

[0007] The beneficial effect of the utility model is that during the disassembly process, the stop sleeve of the pressure regulating valve can be disassembled by the stop sleeve disassembler, and the piston rod end cover and the valve stem end cover of the pressure regulating valve can be disassembled respectively by the piston rod end cover disassembler and the valve stem end cover disassembler, so the disassembly is convenient and the maintenance efficiency is high.

[0008] The utility model has a simple structure and a reasonable design, and provides a pressure regulating valve quick disassembly tool set, which can realize the quick disassembly of the pressure regulating valve without relying on professional maintenance personnel, is convenient for maintenance, has high maintenance efficiency, saves manpower and material resources, and has low cost.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows.

[0010] Furthermore, the puller comprises a rotating plate, which is used to fit with one end surface of the stop sleeve and the action block, and has two sides respectively abutting against the two flange push rods.

[0011] The beneficial effect of adopting the above-mentioned further scheme is that when the stop sleeve is disassembled, the action block is first fixedly installed on the end face of one end of the stop sleeve, and then the rotating plate is affixed to the end face of one end of the stop sleeve and affixed to the action block, and at the same time, the two flange push rods are respectively inserted into the flange eyes of the outer flange of the stop sleeve and abut against the two sides of the rotating plate respectively, and finally, the rotating plate is manually rotated to drive the stop sleeve to rotate so that the stop sleeve is separated from the flange, thereby realizing the disassembly of the stop sleeve, which is convenient for disassembly.

[0012] Furthermore, the rotating plate is in the form of a long strip of plate-like structure.

[0013] The beneficial effect of adopting the above further solution is that the shape of the rotating plate is reasonably designed, easy to operate, and saves time and effort.

[0014] Furthermore, the rotating plate is evenly spaced apart and provided with a plurality of through openings.

[0015] The beneficial effect of adopting the above further solution is that the multiple openings on the rotating plate are reasonably arranged, which reduces the weight of the rotating plate and saves costs.

[0016] Furthermore, the action block is a rectangular block structure.

[0017] The beneficial effect of adopting the above further solution is that the shape of the action block is reasonably designed, which is convenient for assembly on the stop sleeve and for cooperation with the rotating plate to facilitate disassembly of the stop sleeve.

[0018] Furthermore, the piston rod end cover remover includes a rotating rod and a wrench, one end of the rotating rod is a screwdriver-shaped structure, and the other end is a polygonal structure; the wrench is used to cooperate with the other end of the rotating rod.

[0019] The beneficial effect of adopting the above further scheme is that during disassembly, one end of the rotating rod is threadedly connected to the piston rod, and at the same time, a wrench is used to cooperate with one end of the rotating rod and manually rotate the rotating rod through the wrench. The rotating rod drives the piston rod to rotate, thereby realizing quick disassembly of the piston rod and convenient disassembly.

[0020] Furthermore, the other end of the rotating rod is in a hexagonal prism structure.

[0021] The beneficial effect of adopting the above further solution is that the shape of the other end of the rotating rod is reasonably designed to cooperate with the wrench, ensuring that the wrench can drive the rotating rod to rotate.

[0022] Furthermore, the valve stem end cover remover comprises a rotating ring and a nut, wherein the inner wall of the rotating ring is provided with a thread; the nut is coaxially fixedly mounted on one side of the rotating ring and cooperates with the wrench.

[0023] The beneficial effect of adopting the above further scheme is that during disassembly, the rotating ring is threadedly connected to the valve stem end cover, and then a wrench is used to fasten the nut, and the wrench is used to drive the nut and the rotating ring to rotate, so that the valve stem end cover can be quickly disassembled and disassembled easily.

[0024] Furthermore, it also includes a screw rod, which is used to disassemble the valve core of the pressure regulating valve.

[0025] The beneficial effect of adopting the above further solution is that during disassembly, the valve core of the pressure regulating valve can be disassembled by connecting the screw rod with the valve core, which is convenient for disassembly and saves time and effort.

[0026] Furthermore, it also includes a manual actuator, which is used to cooperate with the valve stem of the pressure regulating valve.

[0027] The beneficial effect of adopting the above further solution is that when in use, a manual actuator is used to replace the electric head to achieve the corresponding operation of the pressure regulating valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the rotating plate in the utility model;

[0029] Figure 2 It is a structural schematic diagram of the flange push rod in the utility model;

[0030] Figure 3 It is a structural schematic diagram of the screw rod in the utility model;

[0031] Figure 4 It is a structural schematic diagram of the rotating rod in the utility model;

[0032] Figure 5 It is a structural schematic diagram of the wrench in the utility model;

[0033] Figure 6 This is a schematic diagram of the structure of the valve stem end cover remover in the utility model;

[0034] Figure 7 It is a structural schematic diagram of the manual actuator in the utility model;

[0035] Figure 8 It is a schematic diagram of the structure of the utility model when the stop sleeve is disassembled.

[0036] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0037] 1. Action block; 2. Flange push rod; 3. Rotating plate; 4. Opening; 5. Rotating rod; 6. Wrench; 7. Rotating ring; 8. Nut; 9. Screw rod; 10. Manual actuator; 11. Stop sleeve; 12. Flange. DETAILED DESCRIPTION

[0038] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0039] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0040] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0041] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0042] Example 1

[0043] like Figures 1 to 8 As shown, this embodiment provides a pressure regulating valve quick disassembly tool set, including a stop sleeve remover, a piston rod end cover remover and a valve stem end cover remover, the stop sleeve remover includes a puller, an action block 1 and two flange push rods 2, the action block 1 is used to be connected to one end face of the stop sleeve 11, the puller is used to fit with one end face of the stop sleeve 11 of the pressure regulating valve, and fit with the action block 1; the two flange push rods 2 are respectively inserted into the flange eyes of the flange 12 outside the stop sleeve 11, and respectively abut against the two sides of the puller.

[0044] During the disassembly process, the stop sleeve 11 of the pressure regulating valve can be removed by the stop sleeve remover, and the piston rod end cover and the valve stem end cover of the pressure regulating valve can be removed respectively by the piston rod end cover remover and the valve stem end cover remover, which is convenient to disassemble and has high maintenance efficiency.

[0045] Preferably, in this embodiment, each of the above-mentioned flange top rods 2 includes a main rod, an insertion rod and a handle, and the insertion rod and the handle are respectively fixedly connected to both ends of the main rod, which are respectively perpendicular to the main rod, and the insertion rod and the handle are perpendicular to each other.

[0046] This embodiment has a simple structure and reasonable design, and provides a pressure regulating valve quick disassembly tool kit, which can realize the quick disassembly of the pressure regulating valve without relying on professional maintenance personnel, is convenient for maintenance, has high maintenance efficiency, saves manpower and material resources, and has low cost.

[0047] Example 2

[0048] On the basis of Example 1, in this embodiment, the puller includes a rotating plate 3, which is used to fit with one end surface of the stop sleeve 11 and the action block 1, and its two sides are respectively abutted with the two flange push rods 2.

[0049] When disassembling the stop sleeve 11, first fix the action block 1 on the end face of one end of the stop sleeve 11, then fit the rotating plate 3 on the end face of one end of the stop sleeve 11 and fit it with the action block 1, and at the same time, insert the two flange push rods 2 into the flange eyes of the outer flange 12 of the stop sleeve 11 respectively and abut against the two sides of the rotating plate 3 respectively, finally, manually rotate the rotating plate 3 to drive the stop sleeve 11 to rotate so that the stop sleeve 11 is separated from the flange 12, thereby realizing the disassembly of the stop sleeve 11, which is convenient for disassembly.

[0050] Example 3

[0051] On the basis of Example 2, in this embodiment, the rotating plate 3 is in a long strip plate-like structure.

[0052] The shape of the rotating plate 3 is reasonably designed, convenient to operate, and saves time and effort.

[0053] Alternatively, the rotating plate 3 may also adopt other suitable geometric shapes, such as a columnar structure.

[0054] Example 4

[0055] On the basis of any one of Embodiments 2 to 3, in this embodiment, a plurality of through openings 4 are evenly spaced apart from each other on the rotating plate 3 .

[0056] The multiple openings 4 on the rotating plate 3 are reasonably arranged, which reduces the weight of the rotating plate 3 and saves costs.

[0057] Preferably, in this embodiment, the plurality of openings 4 are preferably respectively long strip-shaped openings, and they respectively extend along the length direction of the rotating plate 3 .

[0058] Example 5

[0059] On the basis of the above embodiments, in this embodiment, the action block 1 is in a rectangular block structure.

[0060] The shape of the action block 1 is reasonably designed, which is convenient for assembly on the stop sleeve 11 and for cooperation with the rotating plate 3 so as to facilitate disassembly of the stop sleeve.

[0061] Alternatively, the action block 1 may also adopt other suitable geometric shapes, such as a circular block structure.

[0062] Alternatively, a limiting pin is used to replace the above-mentioned action block 1, and in this case, the limiting pin extends along the axial direction of the stop sleeve 11.

[0063] Example 6

[0064] Based on the above embodiments, in this embodiment, the piston rod end cover remover includes a rotating rod 5 and a wrench 6, one end of the rotating rod 5 is a screwdriver-shaped structure, and the other end is a polygonal structure; the wrench 6 is used to cooperate with the other end of the rotating rod 5.

[0065] During disassembly, one end of the rotating rod 5 is threadedly connected to the piston rod of the pressure regulating valve. At the same time, the wrench 6 is used to cooperate with one end of the rotating rod 5 and the rotating rod 5 is manually rotated through the wrench 6. The rotating rod 5 drives the piston rod to rotate, thereby realizing quick disassembly of the piston rod and convenient disassembly.

[0066] Preferably, in this embodiment, the wrench 5 is preferably an adjustable wrench in the prior art, which has high versatility and is suitable for screwing different components.

[0067] Example 7

[0068] On the basis of Example 6, in this embodiment, the other end of the rotating rod 5 is in a hexagonal prism structure.

[0069] The shape of the other end of the rotating rod 5 is reasonably designed to cooperate with the wrench 6 to ensure that the wrench 6 can drive the rotating rod 5 to rotate.

[0070] Example 8

[0071] Based on any one of Examples 6 to 7, in this embodiment, the valve stem end cover remover includes a rotating ring 7 and a nut 8, and a thread is provided on the inner wall of the rotating ring 7; the nut 8 is coaxially fixedly installed on one side of the rotating ring 7 and cooperates with the wrench 6.

[0072] During disassembly, the rotating ring 7 is threadedly connected to the valve stem end cover, and then the nut 8 is fastened with the wrench 6, and the nut 8 and the rotating ring 5 are driven by the wrench 6 to rotate, so that the valve stem end cover can be quickly disassembled and the disassembly is convenient.

[0073] Example 9

[0074] On the basis of the above embodiments, this embodiment further includes a screw rod 9, and the screw rod 9 is used to disassemble the valve core of the pressure regulating valve.

[0075] During disassembly, the valve core of the pressure regulating valve is disassembled by connecting the screw rod 9 with the valve core, which is convenient for disassembly and saves time and effort.

[0076] The number of the screw rod 9 can be one or more.

[0077] Example 10

[0078] On the basis of the above embodiments, this embodiment further includes a manual actuator 10, and the manual actuator 10 is used to cooperate with the valve stem of the pressure regulating valve.

[0079] When in use, the manual actuator 10 is used to replace the electric head to achieve the corresponding operation of the pressure regulating valve.

[0080] Based on the above scheme, during normal use, the valve stem in the pressure regulating valve is usually driven by an electric head; during maintenance, the pressure regulating valve is separated from the electric head, and at this time, the pressure regulating valve can be connected to the valve stem through the manual actuator 10, and the valve stem is driven to operate by the manual actuator 10.

[0081] The process of disassembling the pressure regulating valve of the utility model is as follows:

[0082] When the stop sleeve 11 is disassembled, the action block 1 is first fixedly installed on the end surface of one end of the stop sleeve 11, and then the rotating plate 3 is fitted on the end surface of one end of the stop sleeve 11 and fits with the action block 1, and at the same time, the two flange push rods 2 are respectively inserted into the flange eyes of the outer flange 12 of the stop sleeve 11 and abut against the two sides of the rotating plate 3 respectively, and finally the rotating plate 3 is manually rotated to drive the stop sleeve 11 to rotate so that the stop sleeve 11 is separated from the flange 12, so that the stop sleeve 11 is disassembled, and the disassembly is convenient;

[0083] At the same time, one end of the rotating rod 5 can be threadedly connected to the piston rod of the pressure regulating valve, and the wrench 6 is used to cooperate with one end of the rotating rod 5 and manually rotate the rotating rod 5 through the wrench 6, so that the rotating rod 5 drives the piston rod to rotate, thereby realizing quick disassembly of the piston rod and convenient disassembly;

[0084] In addition, the rotating ring 7 is threadedly connected to the valve stem end cover, and then the nut 8 is fastened with the wrench 6, and the nut 8 and the rotating ring 5 are driven by the wrench 6 to rotate, so that the valve stem end cover can be quickly disassembled and the disassembly is convenient.

[0085] The beneficial effects of the utility model are as follows:

[0086] 1) The use of the newly developed Mokwidi valve quick disassembly tool for disassembling, repairing and installing pressure regulating valves has obvious effects, especially the further improvement of independent maintenance capabilities, which reduces the dependence on manufacturers and greatly improves work efficiency. Valves below DN100 can basically be disassembled, repaired and reinstalled on the same day, ensuring the integrity of the gas supply branch and the integrity rate of key equipment without safety hazards. The next step is to expand to larger calibers.

[0087] 2) Directly reduce the reliance on manufacturers for maintenance, independent maintenance shortens the time when equipment failure occurs, and efficiency is greatly improved.

[0088] 3) The development and application of special tools also indirectly trains maintenance personnel and effectively improves employees' professional maintenance skills.

[0089] 4) Realize independent maintenance, reduce technical service fees, and contribute to the company's cost reduction and efficiency improvement;

[0090] 5) This tool can also be extended to various types of valves.

[0091] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0092] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0093] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pressure regulating valve quick disassembly tool set, characterized by: It comprises a stop sleeve remover, a piston rod end cover remover and a valve stem end cover remover, wherein the stop sleeve remover comprises a puller, an action block (1) and two flange push rods (2), wherein the action block (1) is used to be connected to one end face of the stop sleeve (11), and the puller is used to fit with one end face of the stop sleeve (11) of the pressure regulating valve and fit with the action block (1); the two flange push rods (2) are respectively inserted into the flange eyes of the flange (12) outside the stop sleeve (11) and respectively abut against two sides of the puller.

2. The pressure regulating valve quick disassembly tool set according to claim 1, characterized in that: The puller comprises a rotating plate (3), the rotating plate (3) being used to fit with one end surface of the stop sleeve (11) and the action block (1), and having two sides respectively abutting against the two flange push rods (2).

3. The pressure regulating valve quick disassembly tool set according to claim 2, characterized in that: The rotating plate (3) is in the form of a long strip plate.

4. The pressure regulating valve quick disassembly tool set according to claim 2, characterized in that: The rotating plate (3) is evenly spaced and provided with a plurality of through openings (4).

5. The pressure regulating valve quick disassembly tool set according to any one of claims 1 to 4, characterized in that: The action block (1) is in a rectangular block structure.

6. The pressure regulating valve quick disassembly tool set according to any one of claims 1 to 4, characterized in that: The piston rod end cover remover comprises a rotating rod (5) and a wrench (6); one end of the rotating rod (5) is in a screwdriver-like structure, and the other end is in a polygonal structure; the wrench (6) is used to cooperate with the other end of the rotating rod (5).

7. The pressure regulating valve quick disassembly tool set according to claim 6, characterized in that: The other end of the rotating rod (5) is in a hexagonal column structure.

8. The pressure regulating valve quick disassembly tool set according to claim 6, characterized in that: The valve stem end cover remover comprises a rotating ring (7) and a nut (8), wherein the inner wall of the rotating ring (7) is provided with a thread; the nut (8) is coaxially fixedly mounted on one side of the rotating ring (7) and cooperates with the wrench (6).

9. The pressure regulating valve quick disassembly tool set according to any one of claims 1 to 4, characterized in that: It also comprises a screw rod (9), wherein the screw rod (9) is used for disassembling the valve core of the pressure regulating valve.

10. The pressure regulating valve quick disassembly tool set according to any one of claims 1 to 4, characterized in that: It also comprises a manual actuator (10), wherein the manual actuator (10) is used to cooperate with the valve stem of the pressure regulating valve.

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