Composite wrench for orifice plate valve

Abstract

The utility model relates to the technical field of oil and gas exploitation auxiliary equipment, and provides a composite wrench for an orifice valve, which comprises a rocking handle, the wrenching part is connected with the rocking handle, the wrenching part comprises a limiting groove, and the pore plate valve toothed bar can be inserted into the limiting groove; the limiting piece is connected with the pulling part, the limiting piece is arranged on at least one side of the limiting groove, and the distance between the limiting piece and the other side of the limiting groove is adjustable; and the hexagonal prism structure is connected to the rocking handle or the pulling part, and the hexagonal prism structure is used for disassembling and assembling the inner hexagonal bolt. According to the utility model, the technical problems of low working efficiency and large manpower consumption caused by the fact that a special rocking handle and an internal hexagonal wrench need to be carried simultaneously and frequently switched between the two tools when the orifice valve is operated or maintained in the prior art can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil and gas exploitation auxiliary equipment technical field, especially in a kind of composite wrench for orifice plate valve. BACKGROUND

[0002] Orifice plate valve is a kind of metering device commonly seen in oil and gas exploitation well station, it is provided with several rack bars and inner hex bolts, when operating or maintaining orifice plate valve, rack bar needs to be shaken and inner hex bolt needs to be disassembled;But the force structure on orifice plate valve rack bar is generally four prism structure, so when operating and maintaining orifice plate valve, special ratchet wrench with rectangular limiting slot is needed to shake orifice plate valve rack bar, and inner hex wrench is used to disassemble inner hex bolt, so that operator needs to carry multiple sets of tools, and needs to frequently switch between special ratchet wrench and inner hex wrench during operation, which is low in operation efficiency and consumes a lot of manpower. SUMMARY

[0003] The utility model aims at overcoming the technical problem that special ratchet wrench and inner hex wrench need to be carried simultaneously when operating or maintaining orifice plate valve, and frequently switching between the two tools, which results in low operation efficiency and large manpower consumption, and provides a kind of composite wrench for orifice plate valve.

[0004] In the first aspect, the utility model provides a kind of composite wrench for orifice plate valve, comprising:

[0005] Ratchet wrench;

[0006] Tugging part, tugging part is connected with ratchet wrench, tugging part includes limiting slot, and orifice plate valve rack bar can be inserted into limiting slot;

[0007] Limiting piece, limiting piece is connected with tugging part, limiting piece is set on at least one side of limiting slot, and the distance between limiting piece and the other side of limiting slot is adjustable;

[0008] Six prism structure, six prism structure is connected to ratchet wrench or tugging part, and six prism structure is used to disassemble inner hex bolt.

[0009] Orifice plate valve rack bar can be inserted into limiting slot, for example, for the orifice plate valve rack bar with square cross section, limiting slot can also be rectangular, and the side length is greater than or equal to the side length of orifice plate valve rack bar cross section, or limiting slot is long direction, and the short side size is greater than or equal to the side length of orifice plate valve rack bar cross section.

[0010] The connecting mode of limiting piece and tugging part includes but is not limited to slide rail mechanism, worm and gear mechanism, screw mechanism and the like, as long as the position of limiting piece relative to limiting slot can be adjusted, so that it can be adapted to orifice plate valve rack bar of different size specifications.

[0011] The composite wrench for the orifice plate valve of the scheme comprises a wrenching part and a hexagonal structure, and when the orifice plate valve is operated and maintained, the wrenching part can be used to shake the tooth rod of the orifice plate valve and disassemble and assemble the inner hexagonal bolt at the same time without carrying multiple sets of tools and frequently switching as in the prior art, so that the operation is convenient, the work efficiency is higher, and the labor consumption is lower.

[0012] Moreover, the position-adjustable limiting piece is arranged on the wrenching part, so that the scheme can be adapted to the tooth rod of the orifice plate valve with different sizes by adjusting the relative position relationship between the limiting piece and the limiting groove, thereby having better universality.

[0013] Preferably, the hexagonal structure is connected to the side of the wrenching part away from the handle.

[0014] The scheme is equivalent to increasing the distance between the handle and the hexagonal structure by using the wrenching part, so that the force arm from the hand of the worker to the axis of the hexagonal structure can be increased, and the disassembly and assembly of the inner hexagonal bolt can be more labor-saving.

[0015] Preferably, the hexagonal structure is detachably connected to the wrenching part.

[0016] The specific detachable connection between the hexagonal structure and the wrenching part includes but is not limited to threaded connection, mortise and tenon connection, bolt connection, and buckle connection.

[0017] On the one hand, the scheme can facilitate the worker to replace the hexagonal structure when encountering the inner hexagonal bolt with different sizes; on the other hand, the hexagonal structure can be removed when the wrenching part is used to wrench the tooth rod of the orifice plate valve to avoid interference with other structures on the orifice plate valve.

[0018] Preferably, the wrenching part is provided with a mounting through groove, one end of the mounting through groove is provided with a first stopper, the hexagonal structure is inserted into the mounting through groove, one end of the hexagonal structure is provided with a second stopper, and the second stopper can abut against the first stopper to prevent the hexagonal structure from being pulled out of the mounting through groove.

[0019] The specific structure of the first stopper includes but is not limited to a boss structure, a protrusion structure, and a columnar structure, as long as the second stopper can abut against it to prevent the hexagonal structure from passing through the position where the first stopper is located; the second stopper has the same structure, which includes but is not limited to a boss structure, a protrusion structure, and a columnar structure.

[0020] The scheme recommends a specific connection mode of the hexagonal structure and the wrenching part, in which mode the worker can disassemble and replace the hexagonal structure by plugging and unplugging, thereby improving the work efficiency.

[0021] Preferably, the number of limiting pieces is greater than one, and the limiting pieces are arranged in mirror symmetry relative to the axis of the handle.

[0022] The present scheme makes the limiting piece mirror image on both sides of the crank, which can avoid the situation that the axis of the orifice valve tooth rod deviates to one side of the crank when the orifice valve tooth rod is pulled, and the worker is not convenient to force.

[0023] Preferably, the limiting piece is connected to the pulling part through a waist-shaped hole.

[0024] The present scheme recommends a specific connection method of the limiting piece and the pulling part, and the structure of the waist-shaped hole is simple, the processing cost is low, and the work is reliable, which is more suitable for the use of the present scheme.

[0025] Preferably, the waist-shaped hole is arranged on the pulling part.

[0026] Since the pulling part needs to be provided with a limiting groove, the pulling part often has a certain size, so the present scheme uses the pulling part to set the waist-shaped hole, which can fully utilize the space on the pulling part.

[0027] Preferably, the crank is rotationally connected with a rotating holding part, and the rotating axis of the rotating holding part is parallel to the axis of the hexagonal prism structure.

[0028] When the orifice valve tooth rod and the inner hexagonal bolt are pulled, the worker needs to constantly swing the crank around the axis of the hexagonal prism structure, during which the crank will move relative to the skin of the hand, causing the skin of the worker's hand to be abraded; therefore, the present scheme sets a rotatable rotating holding part on the crank, which can convert the relative movement between the crank and the skin of the hand into the relative movement between the rotating holding part and the crank, and keep the relative stillness between the rotating holding part and the skin of the hand, thereby avoiding the abrasion of the skin of the worker's hand.

[0029] Preferably, a receiving groove for receiving the hexagonal prism structure is arranged on the crank.

[0030] The specific structure of the receiving groove includes but is not limited to a blind groove and a through groove.

[0031] Since the crank often has a large size, the present scheme sets a receiving groove on the crank to receive the hexagonal prism structure which is temporarily not needed to be used, thereby avoiding the loss of the hexagonal prism structure.

[0032] Preferably, the edge of the limiting groove is chamfered.

[0033] The specific form of chamfering includes but is not limited to rounding and squaring.

[0034] The present scheme can make it easier for the worker to insert the orifice valve tooth rod into the limiting groove through the guiding effect of chamfering.

[0035] Compared with the prior art, the present utility model has the following advantages:

[0036] The utility model provides a kind of composite wrench for orifice plate valve, setting up on rocking handle has pull part and hexagonal prism structure, when operating and maintaining orifice plate valve, it is not necessary to carry multiple sets of tools and frequently switch like prior art, and it can be with same tool simultaneously realize the rocking of orifice plate valve rack and the disassembly of inner hexagon bolt, convenient operation, with higher work efficiency and lower manpower consumption.And since the present scheme is set on pull part adjustable limit piece, therefore the present scheme can also pass through the relative position relationship of adjusting limit piece and limit groove, so that the present scheme can be adapted to different size specifications orifice plate valve rack, to have better versatility. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 It is the three-dimensional structure schematic diagram of a kind of composite wrench for orifice plate valve in embodiment 1;

[0038] Figure 2 It is the local front view structure schematic diagram of the pull part of a kind of composite wrench for orifice plate valve in embodiment 1 Figure 1 ;

[0039] Figure 3 It is the local front view structure schematic diagram of the pull part of a kind of composite wrench for orifice plate valve in embodiment 1 Figure 2 ;

[0040] Figure 4 It is the local front view structure schematic diagram of the pull part of a kind of composite wrench for orifice plate valve in embodiment 1 Figure 3 ;

[0041] Figure 5 It is the local side view sectional structure schematic diagram of the pull part of a kind of composite wrench for orifice plate valve in embodiment 1;

[0042] Figure 6 It is the three-dimensional structure schematic diagram of a kind of composite wrench for orifice plate valve in embodiment 2;

[0043] Figure mark: 1-rocking handle;11-rotary gripping portion;12-receiving groove;2-pull part;21-limit groove;22-installation through slot;23-first stop;24-waist type hole;3-limit piece;4-hexagonal prism structure;41-second stop. DETAILED DESCRIPTION

[0044] The present application will be further described in conjunction with test examples and specific embodiments. But this should not be understood as the scope of the above-mentioned subject matter of the present application is limited to the following examples, any technology realized based on the content of the present application belongs to the scope of the present application.

[0045] In the description of the embodiments of the present application, the terms of orientation or positional relationship such as "upper", "lower", "left", "right", "center", "inner", "outer", and the like, are expressed based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product / device / apparatus of the present application is usually used. These terms of orientation or positional relationship are only for the convenience of describing the present application or simplifying the description in the embodiments, and for the convenience of the skilled person to quickly understand the scheme, and do not indicate or imply that a specific device / component / element must have a specific orientation or be constructed and operated in a specific positional relationship, and therefore cannot be understood as a limitation on the present application.

[0046] In addition, the terms "horizontal", "vertical", "suspended", "parallel", and the like, do not mean that the corresponding device / component / element must be absolutely horizontal or vertical or suspended or parallel, but can be slightly inclined or deviated. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. Alternatively, it can be simplified to understand that the corresponding device / component / element is arranged in the direction of "horizontal", "vertical", "suspended", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction, more preferably an error / deviation of ±8% or less, more preferably an error / deviation of ±6% or less, more preferably an error / deviation of ±5% or less, and more preferably an error / deviation of ±4% or less. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the scheme of the present application.

[0047] In addition, the terms "first", "second", "third", and the like, are only used to distinguish the same or similar components for description, and should not be understood as emphasizing or implying the relative importance of a specific component.

[0048] In addition, in the description of the embodiments of the present application, "several", "a plurality of", and "several" represent at least 2. It can be 2, 3, 4, 5, 6, 7, 8, 9, etc. in any case, and even more than 9.

[0049] In addition, in the description of the technical scheme of the present application, unless otherwise specified / limited / limited, the terms "arrangement", "installation", "connection", "connection", "provided with", "laid", "arrangement" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, such as welding, riveting, bolting, screwing, etc. The connection means commonly used in the art. Such connection can be mechanical connection, or electrical connection or communication connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements.

[0050] Embodiment 1

[0051] As shown in Figures 1 to 5 , a composite wrench for orifice plate valve includes a handle 1, a wrenching part 2, a limiting part 3 and a hexagonal structure 4; the wrenching part 2 is connected with the handle 1, and the wrenching part 2 includes a limiting slot 21 in which an orifice plate valve tooth rod can be inserted; the limiting part 3 is connected with the wrenching part 2, and the limiting part 3 is arranged on at least one side of the limiting slot 21, and the distance between the limiting part 3 and the other side of the limiting slot 21 is adjustable; the hexagonal structure 4 is connected with the handle 1 or the wrenching part 2, and the hexagonal structure 4 is used for disassembling an inner hexagonal bolt.

[0052] In an optional embodiment, the hexagonal structure 4 is connected with the wrenching part 2 away from the handle 1.

[0053] In an optional embodiment, the hexagonal structure 4 is detachably connected with the wrenching part 2.

[0054] In an optional embodiment, an installation through slot 22 is arranged on the wrenching part 2, and one end of the installation through slot 22 is provided with a first stop 23; the hexagonal structure 4 is inserted into the installation through slot 22, and one end of the hexagonal structure 4 is provided with a second stop 41, which can abut against the first stop 23 to prevent the hexagonal structure 4 from being pulled out of the installation through slot 22. For example Figure 5 As shown in the figure, the installation through slot 22 is provided with a stepped structure with a reduced width at the left end in the figure as the first stop 23; correspondingly, the hexagonal structure 4 is provided with a stepped structure with an expanded width at the segment in the figure as the second stop 41, so that the hexagonal structure 4 can be inserted into the installation through slot 22 from left to right, but cannot be pulled out of the installation through slot 22 from the left end of the installation through slot 22.

[0055] In an optional embodiment, the cross-sectional shape of the installation through slot 22 is polygonal, such as triangular, rectangular, pentagonal or hexagonal, and the cross-sectional shape of the second stop 41 matches that of the installation through slot 22, so as to prevent the hexagonal structure 4 from rotating in the installation through slot 22.

[0056] In an optional embodiment, the number of the limiting parts 3 is greater than one, and the limiting parts 3 are arranged in mirror symmetry relative to the axis of the handle 1. For example Figures 3 to 4 As shown in the figure, two limiting parts 3 are symmetrically arranged on both sides of the handle 1 along the left-right direction in the figure, and the distance W between the two limiting parts 3 can be changed by adjusting the positions of the limiting parts 3, so as to adapt to the widths of orifice plate valve tooth rods of different sizes.

[0057] In an optional embodiment, the limiting part 3 is connected with the wrenching part 2 through a waist-shaped hole 24.

[0058] In an optional embodiment, the waist-shaped hole 24 is arranged on the wrenching part 2. For example Figure 2The shown is the front view structural schematic diagram of the state of removing one limiting part 3, and it can be seen that the length along Figure 2 The left and right square waist-shaped holes 24 are arranged on the installation through slot 22, and the limiting part 3 is connected to the waist-shaped hole 24, so that the position of the limiting part 3 along the left and right directions in the figure can be adjusted, for example, between the state shown in Figure 3 and the state shown in Figure 4 .

[0059] In an optional embodiment, as shown in Figure 1 , a rotating holding part 11 is rotationally connected to the end of the handle 1 away from the wrenching part 2, and the rotation axis of the rotating holding part 11 is parallel to the axis of the hexagonal prism structure 4.

[0060] In an optional embodiment, the handle 1 is provided with a receiving slot 12 for receiving the hexagonal prism structure 4. As shown in Figure 1 , the receiving slot 12 can be designed as a hexagonal through slot or blind slot for inserting the hexagonal prism structure 4, and the number of the receiving slot 12 can be one or more according to the number of the hexagonal prism structure 4 to be received.

[0061] In an optional embodiment, the edge of the limiting slot 21 is chamfered. As shown in Figure 5 , the edge of the limiting slot 21 on the left side in the figure has a chamfer.

[0062] Example 2

[0063] As shown in Figure 6 , on the basis of example 1, if it is not necessary to simultaneously adapt to the hole plate valve tooth rod and the inner hexagonal bolt of multiple size specifications, the limiting part 3 can be cancelled, and the fixed shape wrenching part 2 is directly used, so that the size of the grid limiting slot 21 thereon matches the hole plate valve tooth rod; and the hexagonal prism structure 4 with the size matching the inner hexagonal bolt is directly welded to the wrenching part 2.

[0064] The above are only preferred embodiments of the present application and are not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A composite spanner for a well plate valve, characterized by, Include: crank (1); A pulling portion (2), the pulling portion (2) being connected to the crank handle (1), the pulling portion (2) comprising a limiting groove (21), and the orifice valve gear rod being capable of being inserted into the limiting groove (21); a limiting member (3), the limiting member (3) being connected to the pull portion (2), the limiting member (3) being arranged on at least one side of the limiting groove (21), and the distance between the limiting member (3) and the other side of the limiting groove (21) being adjustable; A hexagonal column structure (4) is connected to the crank handle (1) or the pull portion (2), and the hexagonal column structure (4) is used for disassembling and assembling hexagon socket bolts.

2. The composite handle for a well plate valve according to claim 1, wherein The hexagonal prism structure (4) is connected to a side of the pulling portion (2) away from the crank handle (1).

3. The composite handle for a well plate valve according to claim 2, wherein The hexagonal prism structure (4) is detachably connected to the pull portion (2).

4. The composite handle for a well plate valve according to claim 3, wherein The pull portion (2) is provided with a mounting slot (22), and one end of the mounting slot (22) is provided with a first stopper (23); the hexagonal prism structure (4) is inserted into the mounting slot (22), and one end of the hexagonal prism structure (4) is provided with a second stopper (41), and the second stopper (41) can abut against the first stopper (23) to prevent the hexagonal prism structure (4) from falling out of the mounting slot (22).

5. The composite handle for a well plate valve according to claim 1, wherein The number of the limiting members (3) is greater than one, and the limiting members (3) are arranged in a mirror-symmetrical manner relative to the axis of the crank (1).

6. The composite handle of any one of claims 1 to 5, wherein The limiting member (3) is connected to the pull portion (2) via a waist-shaped hole (24).

7. The composite handle for a well plate valve according to claim 6, wherein The waist-shaped hole (24) is provided on the pull portion (2).

8. The composite handle for a well plate valve according to any one of claims 1 to 5, wherein A rotating gripping portion (11) is rotatably connected to the crank (1), and the rotation axis of the rotating gripping portion (11) is parallel to the axis of the hexagonal prism structure (4).

9. The composite handle for a well plate valve according to any one of claims 1 to 5, wherein The crank handle (1) is provided with a receiving groove (12) for receiving the hexagonal prism structure (4).

10. The composite handle for a well-plate valve according to any one of claims 1 to 5, wherein The edge of the limiting groove (21) is chamfered.

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