Valve rod mounting tool

Abstract

The utility model provides a valve rod installation tool which comprises a base, two vertical adjusting assemblies and a horizontal adjusting assembly, any vertical adjusting assembly is arranged between the base and a supporting piece, and the height of the supporting piece relative to the base is adjusted in the vertical direction; the horizontal adjusting assembly is arranged on the base and connected with the at least one vertical adjusting assembly so that the distance between the two vertical adjusting assemblies and the distance between the two supporting pieces can be adjusted in the horizontal direction. Two vertical adjusting assemblies are arranged on the upper side of a base in the direction perpendicular to the base, a gap is formed between the two vertical adjusting assemblies, and a supporting piece is arranged on the upper side of each vertical adjusting assembly. The horizontal adjusting assembly is connected with one of the vertical adjusting assemblies, so that the vertical adjusting assembly is driven in the horizontal direction, the vertical adjusting assembly can be close to or away from the other vertical adjusting assembly, and the effect of adjusting the distance between the two vertical adjusting assemblies and the distance between the two supporting pieces in the horizontal direction is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of installation tools, in particular to an installation tool for an eccentric butterfly valve stem. Background Art

[0002] The butterfly valve, also known as the flap valve, is a simple regulating valve that can be used for the on-off control of low-pressure pipeline fluids. The butterfly valve is a valve with a disc-shaped butterfly plate that rotates around the valve stem to reciprocate about 90° to open, close or adjust the flow of the fluid. The butterfly valve can have good flow regulation function and closing and sealing characteristics at the same time, and is one of the fastest-growing valve varieties in the past decade.

[0003] In the prior art, when installing a relatively large butterfly valve stem, it is necessary to use an overhead crane or other equipment to hoist the valve stem, and then manually align the valve stem with the valve body before installation. During this process, not only will the valve stem shake, making installation difficult, but the operation is also cumbersome and complicated. Utility Model Content

[0004] Therefore, the technical problem to be solved by the utility model is that in the prior art, when installing a large butterfly valve stem, it is necessary to use equipment such as an aerial crane to hoist the valve stem, and then manually align the valve stem with the valve body for installation. During this process, not only will the valve stem shake, which is not conducive to installation, but the operation is also cumbersome and complicated.

[0005] To this end, the utility model provides a valve stem installation tool, comprising:

[0006] A base, on which at least two support members are provided, all of which are used to support the valve stem;

[0007] At least two vertical adjustment components, any one of which is disposed between the base and one of the support members to adjust the height of the support member relative to the base in a vertical direction;

[0008] The horizontal adjustment component is arranged on the base and connected to at least one of the vertical adjustment components to adjust the distance between the two vertical adjustment components and the two support members in the horizontal direction.

[0009] Optionally, an inverted V-shaped support portion is provided on any of the support members, and the V-shaped support portion is suitable for placing a support valve stem.

[0010] Optionally, the inverted V-shaped support portion is composed of two obliquely arranged rolling elements.

[0011] Optionally, the rolling element is a roller.

[0012] Optionally, a sliding member is included, connected between the vertical adjustment assembly and the horizontal adjustment assembly;

[0013] The sliding member is configured to be driven by the horizontal adjustment component to move so as to adjust the distance between the two vertical adjustment components and the two support members in the horizontal direction.

[0014] Optionally, the level adjustment component includes:

[0015] A horizontal screw rod is movably arranged on the surface of the base in a horizontal direction;

[0016] A horizontal hand wheel connected to the horizontal screw rod to drive the horizontal screw rod to rotate around its axis;

[0017] Wherein, the sliding member is provided with an internal threaded hole to be connected with the horizontal screw rod, and the sliding member is configured to move axially along the horizontal screw rod under the drive of the horizontal screw rod.

[0018] Optionally, the two support members are arranged axially along the horizontal screw rod.

[0019] Optionally, the vertical adjustment component connected to the horizontal adjustment component includes:

[0020] A vertical screw rod is arranged perpendicular to the surface of the base, the bottom end of the vertical screw rod is movably connected to the sliding member, and the upper end of the vertical screw rod is connected to the supporting member;

[0021] A vertical hand wheel connected to the vertical screw rod to drive the vertical screw rod to rotate along its axis;

[0022] Wherein, the support member is configured to be driven by the vertical screw rod to move axially along the vertical screw rod.

[0023] Optionally, the vertical adjustment assembly further includes a worm gear structure, which is arranged between the vertical handwheel and the vertical screw.

[0024] Optionally, a plurality of bottom wheels are also included, which are connected to the bottom of the base.

[0025] The valve stem installation tool provided by the utility model has the following advantages:

[0026] 1. The utility model provides a valve stem installation tool, including a base, at least two vertical adjustment components and a horizontal adjustment component, any one of the vertical adjustment components is arranged between the base and one of the support members to adjust the height of the support member relative to the base in the vertical direction; the horizontal adjustment component is arranged on the base and connected to at least one of the vertical adjustment components to adjust the distance between the two vertical adjustment components and the two support members in the horizontal direction.

[0027] In the valve stem installation tool of this structure, two vertical adjustment components are arranged on the upper side of the base in the direction perpendicular to the base, and a gap is arranged between the two vertical adjustment components. A support is arranged on the upper side of each vertical adjustment component, and the two support components are used to support the valve stem on the upper side thereof. The horizontal adjustment component is connected to one of the vertical adjustment components, thereby realizing driving the vertical adjustment component in the horizontal direction, so that the vertical adjustment component can approach or move away from the other vertical adjustment component, so as to realize the effect of adjusting the distance between the two vertical adjustment components and the two support components in the horizontal direction.

[0028] 2. The utility model provides a valve stem installation tool, wherein an inverted V-shaped support portion is provided on any support member, and the V-shaped support portion is suitable for placing and supporting the valve stem. Preferably, the inverted V-shaped support portion is composed of two inclined rolling members, and the rolling members are rollers.

[0029] The valve stem installation tool of this structure is provided with an inverted V-shaped support part on the support member, and the inverted V-shaped support part can conveniently fix and support the periphery of the valve stem, and the inverted V-shaped support part is provided to be composed of two inclined rolling members, which can facilitate the pushing of the valve stem along its axial direction. At the same time, the inverted V-shaped support part is provided to be composed of two inclined rolling members, and when the two vertical adjustment components are driven to approach or move away from each other by the horizontal adjustment component, the setting of the roller can facilitate the movement of the support member relative to the valve stem. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 A front view of a valve stem installation tool provided in an embodiment of the utility model;

[0032] Figure 2 It is a side view of the valve stem installation tool provided in the embodiment of the utility model.

[0033] Description of reference numerals:

[0034] 1- Base;

[0035] 2- Support member;

[0036] 3-valve stem;

[0037] 41-vertical screw rod; 42-vertical hand wheel;

[0038] 51- horizontal screw rod; 52- horizontal hand wheel;

[0039] 6- bottom wheel;

[0040] 7- Sliding piece. DETAILED DESCRIPTION

[0041] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0042] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In addition, the technical features involved in the different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0043] Example

[0044] This embodiment provides a valve stem installation tool, such as Figure 1 and Figure 2 As shown, it includes a base 1, two support members 2, two vertical adjustment components and a horizontal adjustment component. Among them, the support member 2 is used to support the valve stem 3, any vertical adjustment component is arranged between the base 1 and a support member 2 to adjust the height of the support member 2 relative to the base 1 in the vertical direction, and the horizontal adjustment component is arranged on the base 1 and connected to a vertical adjustment component to adjust the distance between the two vertical adjustment components and the two support members 2 in the horizontal direction.

[0045] Specific as Figure 1 As shown, the two vertical adjustment components are arranged on the upper side of the base 1 in a direction perpendicular to the base 1, and there is a gap between the two vertical adjustment components. A support member 2 is arranged on the upper side of each vertical adjustment component, and the two support members 2 are used to support the valve stem 3 on the upper side. Figure 1 The vertical adjustment component on the left side of the middle is connected to achieve Figure 1 The vertical adjustment assembly on the left side of the center Figure 1 Drive in the horizontal direction to make Figure 1The vertical adjustment assembly on the left side of the center can be moved closer or further away Figure 1 The vertical adjustment component on the middle right side is used to adjust the distance between the two vertical adjustment components and the two support members 2 in the horizontal direction.

[0046] When in use, the distance between the two vertical adjustment components and the two support members 2 can be adjusted according to the specifications of the valve stem 3, or the height of the valve stem 3 can be adjusted by adjusting the vertical adjustment components.

[0047] In this embodiment, any support member 2 is provided with an inverted V-shaped support portion, and the V-shaped support portion is suitable for placing the support valve stem 3. Preferably, as Figure 2 As shown, the inverted V-shaped support portion is composed of two inclined rolling members, and the rolling members are rollers.

[0048] By providing an inverted V-shaped support portion on the support member 2, the inverted V-shaped support portion can conveniently provide fixed support to the circumference of the valve stem 3, and the inverted V-shaped support portion is provided to be composed of two inclined rolling members, which can facilitate the axial push of the valve stem 3. At the same time, the inverted V-shaped support portion is provided to be composed of two inclined rolling members, and when the two vertical adjustment components are driven to move closer to or farther from each other by the horizontal adjustment component, the provision of the roller can facilitate the movement of the support member 2 relative to the valve stem 3.

[0049] In this embodiment, the valve stem installation tool also includes a sliding member 7 connected between the vertical adjustment component and the horizontal adjustment component. The sliding member 7 is configured to be driven by the horizontal adjustment component to move to adjust the distance between the two vertical adjustment components and the two support members 2 in the horizontal direction.

[0050] Specifically in this embodiment, Figure 1 As shown, the horizontal adjustment assembly includes a horizontal screw rod 51 and a horizontal hand wheel 52. The horizontal screw rod 51 is movably arranged on the surface of the base 1 along the horizontal direction. The horizontal hand wheel 52 is connected to the horizontal screw rod 51 to drive the horizontal screw rod 51 to rotate around its axis. Among them, the sliding member 7 is provided with an internal threaded hole to connect with the horizontal screw rod 51, and the sliding member 7 is configured to move axially along the horizontal screw rod 51 under the drive of the horizontal screw rod 51.

[0051] In the above structure, the horizontal screw rod 51 can be movably arranged on the base 1 through a fixed block fixed on the base 1, so that it can rotate around its own axis under the drive of the horizontal hand wheel 52. Since the sliding member 7 is provided with an internal thread hole to connect with the horizontal screw rod 51, when the horizontal screw rod 51 rotates, the sliding member 7 can be driven to move along the axial direction of the horizontal screw rod 51 through threaded engagement, and then the sliding member 7 drives Figure 1 The vertical adjustment assembly on the left side moves axially along the horizontal screw rod 51 .

[0052] In this embodiment, if Figure 1As shown, the two support members 2 are arranged axially along the horizontal screw rod 51 .

[0053] In this embodiment, the vertical adjustment assembly includes a vertical screw 41, a vertical hand wheel 42 and a worm gear structure, wherein the worm gear structure is disposed between the vertical hand wheel 42 and the vertical screw 41, and the vertical screw 41 can be driven to rotate along its own axis by rotating the vertical hand wheel 42. The worm gear structure is an existing structure.

[0054] In this embodiment, the bottom end of the vertical screw rod 41 in the vertical adjustment assembly connected to the horizontal adjustment assembly is movably connected to the sliding member 7 so that it can rotate relative to the sliding member 7, and the upper end of the vertical screw rod 41 is connected to the support member 2. Specifically, a blind hole may be provided under the support member 2, and an internal thread is provided on the inner wall of the blind hole for cooperating with the thread on the surface of the vertical screw rod 41. Space is reserved inside the blind hole for the top of the vertical screw rod 41 to move up and down, so that the support member 2 can be moved up and down by rotating the vertical screw rod 41.

[0055] In this embodiment, another vertical adjustment component ( Figure 1 The bottom end of the vertical screw rod 41 is movably connected to the base 1 so that it can rotate relative to the sliding member 7. The upper end of the vertical screw rod 41 is connected to the support member 2, and its connection method and connection structure are consistent with the structure of the vertical adjustment component connected to the horizontal adjustment component mentioned above, so no further introduction will be made here.

[0056] In this embodiment, if Figure 1 As shown, the valve stem installation tool also includes four bottom wheels 6 connected to the bottom of the base 1. In this embodiment, the bottom wheels 6 are universal wheels to facilitate the movement of the valve stem installation tool.

[0057] As an alternative implementation, the two vertical adjustment components may also be connected to the horizontal adjustment component to drive the two vertical adjustment components to move simultaneously.

[0058] The valve stem installation tool provided in this embodiment is used to move the tool to a suitable position through the bottom wheel 6, and then the valve stem 3 is adjusted horizontally to a suitable installation angle by controlling two vertical adjustment components and one horizontal adjustment component; according to the size of the different valve stems 3, the horizontal hand wheel 52 is used to control the horizontal screw rod 51 to control the two vertical adjustment components to a reasonable distance, so as to stabilize the valve stem 3.

[0059] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A valve stem installation tool, characterized in that: include: A base (1) having at least two support members (2) disposed thereon, wherein all of the support members (2) are used to support the valve stem (3); At least two vertical adjustment components, any one of which is disposed between the base (1) and one of the support members (2) to adjust the height of the support member (2) relative to the base (1) in a vertical direction; A horizontal adjustment component is arranged on the base (1) and is connected to at least one of the vertical adjustment components to adjust the distance between the two vertical adjustment components and the two support members (2) in the horizontal direction.

2. The valve stem installation tool according to claim 1, characterized in that: An inverted V-shaped support portion is provided on any one of the support members (2), and the V-shaped support portion is suitable for placing a support valve stem (3).

3. The valve stem installation tool according to claim 2, characterized in that: The inverted V-shaped supporting portion is composed of two rolling elements which are arranged obliquely.

4. The valve stem installation tool according to claim 3, characterized in that: The rolling element is a roller.

5. The valve stem installation tool according to any one of claims 1 to 4, characterized in that: It also includes a sliding member (7) connected between the vertical adjustment assembly and the horizontal adjustment assembly; The sliding member (7) is configured to be driven by the horizontal adjustment component to move so as to adjust the distance between the two vertical adjustment components and the two support members (2) in the horizontal direction.

6. The valve stem installation tool according to claim 5, characterized in that: The level adjustment assembly comprises: A horizontal screw rod (51) is movably arranged on the surface of the base (1) in a horizontal direction; A horizontal hand wheel (52) connected to the horizontal screw rod (51) to drive the horizontal screw rod (51) to rotate around its axis; The sliding member (7) is provided with an internal threaded hole for connecting with the horizontal screw rod (51), and the sliding member (7) is configured to move axially along the horizontal screw rod (51) under the drive of the horizontal screw rod (51).

7. The valve stem installation tool according to claim 6, characterized in that: The two support members (2) are arranged axially along the horizontal screw rod (51).

8. The valve stem installation tool according to claim 5, characterized in that: The vertical adjustment assembly connected to the horizontal adjustment assembly includes: A vertical screw rod (41) is arranged perpendicular to the surface of the base (1), the bottom end of the vertical screw rod (41) is movably connected to the sliding member (7), and the upper end of the vertical screw rod (41) is connected to the support member (2); A vertical hand wheel (42) connected to the vertical screw rod (41) to drive the vertical screw rod (41) to rotate along its axis; Wherein, the support member (2) is configured to be driven by the vertical screw rod (41) to move axially along the vertical screw rod (41).

9. The valve stem installation tool according to claim 8, characterized in that: The vertical adjustment assembly also includes a worm gear structure, which is arranged between the vertical hand wheel (42) and the vertical screw rod (41).

10. The valve stem installation tool according to claim 1, characterized in that: It also includes a plurality of bottom wheels (6) connected to the bottom of the base (1).

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