Bolt tightening tool

By designing a bolt tightening tool containing a limiting unit, the problems of leaks and incorrect tightening are easily encountered when manually tightening the bolts, and the rapid and unified tightening of multiple bolts is achieved, which improves work efficiency and safety.

CN119610011APending Publication Date: 2025-03-14HUANENG YIMIN COAL POWER CO LTD
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Patent Information

Application Number
CN202411631076.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-03-14

AI Technical Summary

Technical Problem

In coal power plants, when using torque wrench to tighten bolts on large pipelines manually, problems such as leakage, incorrect tightening, inadequate torque, inconsistent torque, and inconsistent torque are prone to problems such as inefficient work efficiency and high working intensity.

Method used

A bolt tightening tool is designed, including a limiting unit, which consists of mounting components, rotating components, transmission components, support components and casing components. Through the synergy of these components, the rapid tightening of the bolts is achieved.

Benefits of technology

This tool can quickly and uniformly tighten multiple bolts to avoid problems such as leaks and incorrect tightening, reduce the user's working intensity and improve work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a bolt tightening tool which comprises a mounting assembly, a rotating assembly arranged at the top of the mounting assembly, a transmission assembly arranged in the mounting assembly, a supporting assembly arranged on the outer side of the transmission assembly and a sleeve assembly arranged in the supporting assembly. The transmission assembly can be conveniently installed through the installation assembly, meanwhile, the transmission assembly can be limited and protected, in this way, the situation that the transmission assembly is damaged in the using process can be avoided, the transmission effect can be achieved through the transmission assembly, and the working efficiency is improved; and furthermore, the supporting assembly is arranged to achieve the supporting and connecting effects on the transmission assembly and the sleeve assembly, connection between the transmission assembly and a sleeve is facilitated, the sleeve assembly is arranged to conveniently and rapidly tighten the bolt, and the working efficiency is improved.
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Description

Technical Field

[0001] The invention relates to the technical field of bolt tightening tools, in particular to a bolt tightening tool. Background Art

[0002] There are many large pipelines inside coal-fired power plants. When tightening the bolts of large pipelines, they need to be tightened one by one. This process is currently done manually using torque wrenches to tighten them one by one. During the manual operation, problems such as missed tightening, wrong tightening, insufficient torque, and inconsistent torque are prone to occur. Summary of the invention

[0003] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0004] In view of the above problems or problems existing in the prior art, the present invention is proposed.

[0005] Therefore, the purpose of the present invention is to provide a bolt tightening tool, which can facilitate the user to quickly tighten multiple bolts, avoid problems such as insufficient tightening, missed tightening, wrong tightening, and insufficient torque, reduce the user's work intensity, and improve work efficiency.

[0006] To solve the above technical problems, the present invention provides the following technical solutions: a bolt tightening tool, which includes a limiting unit, including an installation component, a rotating component arranged on the top of the installation component, a transmission component arranged inside the installation component, a support component arranged on the outside of the transmission component, and a sleeve component arranged inside the support component.

[0007] As a preferred solution of the bolt tightening tool of the present invention, the mounting assembly includes a hollow box and a first through hole arranged on the outside of the hollow box.

[0008] As a preferred solution of the bolt tightening tool of the present invention, the rotating assembly includes a connecting rod arranged on the top of the hollow box, the connecting rod passes through the top of the hollow box, an extension rod is fixedly connected to the top of the connecting rod, a connecting block is arranged on the top of the extension rod, a handle is movably arranged on the outside of the connecting block, and a connection limit hole is opened on the outside of the handle.

[0009] As a preferred solution of the bolt tightening tool of the present invention, the transmission assembly includes equidiameter bevel gears arranged inside the hollow box, transmission rods are arranged on the outside of the equidiameter bevel gears, and a first bevel gear is fixedly installed on the other end of the transmission rod.

[0010] As a preferred solution of the bolt tightening tool of the present invention, the support assembly includes a connecting plate arranged on the outside of the transmission rod, a group of mounting holes are opened on the outside of the connecting plate, and bearings are arranged inside the mounting holes.

[0011] As a preferred solution of the bolt tightening tool of the present invention, the sleeve assembly includes a rotating rod movably connected to the bearing, a second bevel gear arranged at the top of the rotating rod, a sleeve arranged at the bottom of the rotating rod, and a limiting hole opened at the bottom of the sleeve.

[0012] As a preferred solution of the bolt tightening tool of the present invention, the interior of the hollow box is a hollow structure for installing the equidiameter bevel gear.

[0013] As a preferred solution of the bolt tightening tool of the present invention, there are five equidistant bevel gears in total, the equidistant bevel gears include a driving equidistant bevel gear and four driven bevel gears, and the driven bevel gears are all meshed and connected with the driving equidistant bevel gears.

[0014] As a preferred solution of the bolt tightening tool of the present invention, the connecting block is adapted to the connecting limiting hole.

[0015] As a preferred solution of the bolt tightening tool of the present invention, an anti-slip pad is provided on the outer side of the handle.

[0016] Beneficial effects of the present invention: The present invention uses a limiting unit, and the limiting unit includes an installation component. The setting of the installation component can facilitate the installation of the transmission component, and at the same time, the transmission component can be limited and protected, thereby avoiding damage during use. The setting of the transmission component can have a transmission effect and improve work efficiency. Further, the setting of the support component can have a supporting and connecting effect on the transmission component and the sleeve component, thereby facilitating the connection between the transmission component and the sleeve. The setting of the sleeve component can facilitate and quickly tighten the bolts, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 This is a schematic diagram of the overall structure of the bolt tightening tool.

[0019] Figure 2 Schematic diagram of the internal structure of a bolt tightening tool.

[0020] Figure 3Schematic diagram of the miter gear for bolt tightening tools.

[0021] Figure 4 A cross-sectional view of a connection component of a bolt tightening tool. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0025] Example 1

[0026] Reference Figures 1-2 , which is the first embodiment of the present invention, provides a bolt tightening tool, which includes a limiting unit 100, including a mounting assembly 101, a rotating assembly 102 arranged on the top of the mounting assembly 101, a transmission assembly 103 arranged inside the mounting assembly 101, a support assembly 104 arranged on the outside of the transmission assembly 103, and a sleeve assembly 105 arranged inside the support assembly 104.

[0027] Furthermore, the mounting assembly 101 includes a hollow box 101 a and a first through hole 101 b disposed outside the hollow box 101 a .

[0028] Furthermore, the rotating assembly 102 includes a connecting rod 102a arranged at the top of the hollow box 101a, the connecting rod 102a passes through the top of the hollow box 101a, the top of the connecting rod 102a is fixedly connected to an extension rod 102b, a connecting block 102c is arranged at the top of the extension rod 102b, a handle 102d is movably arranged on the outside of the connecting block 102c, and a connecting limit hole 102e is opened on the outside of the handle 102d.

[0029] It should be noted that five first through holes 101b are provided, one is provided at the top of the hollow box 101a, and one is provided at each of the front, back, left and right sides of the hollow box 101a.

[0030] Furthermore, the transmission assembly 103 includes an equidiameter bevel gear 103a disposed inside the hollow box 101a, a transmission rod 103b is disposed outside the equidiameter bevel gear 103a, and a first bevel gear 103c is fixedly mounted on the other end of the transmission rod 103b.

[0031] Preferably, the setting of the hollow box 101a facilitates the installation of the rotating assembly 102. At the same time, the setting of the hollow box 101a can protect the equal-diameter bevel gear 103a. At the same time, the driven bevel gears 103a-2 are meshed and connected with the active equal-diameter bevel gear 103a-1, so that the active equal-diameter bevel gear 103a-1 can rotate and drive the four driven bevel gears 103a-2 to rotate at the same time.

[0032] Furthermore, the support assembly 104 includes a connecting plate 104a disposed outside the transmission rod 103b, a group of mounting holes 104b are opened on the outside of the connecting plate 104a, and bearings 104c are disposed inside the mounting holes 104b.

[0033] Furthermore, the sleeve assembly 105 includes a rotating rod 105a movably connected to the bearing 104c, a second bevel gear 105b arranged at the top of the rotating rod 105a, a sleeve 105c arranged at the bottom of the rotating rod 105a, and a limiting hole 105e opened at the bottom of the sleeve 105c.

[0034] Preferably, the setting of the support assembly 104 can provide a supporting effect on the sleeve assembly 105 and the transmission assembly 103, and also provide an auxiliary connection effect. The setting of the sleeve assembly 105 can facilitate the connection with the bolts.

[0035] Furthermore, the interior of the hollow box 101a is a hollow structure for installing the miter gear 103a.

[0036] Furthermore, there are five equal-diameter bevel gears 103a in total, and the equal-diameter bevel gears 103a include a driving equal-diameter bevel gear 103a-1 and four driven bevel gears 103a-2, and the driven bevel gears 103a-2 are all meshed and connected with the driving equal-diameter bevel gear 103a-1.

[0037] Furthermore, the connection block 102c is adapted to the connection limiting hole 102e.

[0038] Furthermore, an anti-slip pad is provided on the outer side of the handle 102d.

[0039] When in use, the sleeve 105c is sleeved on the bolt, and the handle 102d is further rotated, the handle 120d drives the connecting block 102c to rotate, the connecting block 102c drives the extension rod 102b to rotate, the extension rod 102b drives the connecting rod 102a to rotate, the connecting rod 102a drives the active bevel gear 103a-1 to rotate, the active bevel gear 103a-1 drives the driven bevel gear 103a-2 to rotate, the driven bevel gear 103a-2 drives the transmission rod 103b to rotate, the transmission rod 103b drives the first bevel gear 103c to rotate, the first bevel gear 103c drives the second bevel gear 105b to rotate, the second bevel gear 105b drives the sleeve 105c to rotate, the sleeve 105c drives the sleeved bolt to rotate, and the bolt is tightened.

[0040] In summary, the present invention sets a limit unit, and the limit unit includes an installation component. The setting of the installation component can facilitate the installation of the transmission component, and at the same time, the transmission component can be limited and protected, thereby avoiding damage during use. The setting of the transmission component can have a transmission effect and improve work efficiency. Further, the setting of the support component can support and connect the transmission component and the sleeve component, thereby facilitating the connection between the transmission component and the sleeve. The setting of the sleeve component can quickly and easily tighten the bolts, thereby improving work efficiency.

[0041] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0042] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0043] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0044] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A bolt tightening tool, characterized in that: include, The limiting unit (100) comprises a mounting assembly (101), a rotating assembly (102) arranged on the top of the mounting assembly (101), a transmission assembly (103) arranged inside the mounting assembly (101), a supporting assembly (104) arranged outside the transmission assembly (103), and a sleeve assembly (105) arranged inside the supporting assembly (104).

2. The bolt tightening tool according to claim 1, characterized in that: The mounting assembly (101) comprises a hollow box (101a) and a first through hole (101b) arranged on the outside of the hollow box (101a).

3. The bolt tightening tool according to claim 2, characterized in that: The rotating assembly (102) comprises a connecting rod (102a) arranged at the top of the hollow box (101a), the connecting rod (102a) passes through the top of the hollow box (101a), the top of the connecting rod (102a) is fixedly connected to an extension rod (102b), a connecting block (102c) is arranged at the top of the extension rod (102b), a handle (102d) is movably arranged on the outer side of the connecting block (102c), and a connection limit hole (102e) is opened on the outer side of the handle (102d).

4. The bolt tightening tool according to claim 3, characterized in that: The transmission assembly (103) comprises a bevel gear (103a) arranged inside the hollow box (101a), a transmission rod (103b) is arranged outside the bevel gear (103a), and a first bevel gear (103c) is fixedly mounted on the other end of the transmission rod (103b).

5. The bolt tightening tool according to claim 4, characterized in that: The support assembly (104) comprises a connecting plate (104a) arranged on the outside of the transmission rod (103b), a group of mounting holes (104b) are opened on the outside of the connecting plate (104a), and bearings (104c) are arranged inside the mounting holes (104b).

6. The bolt tightening tool according to claim 5, characterized in that: The sleeve assembly (105) comprises a rotating rod (105a) movably connected to the bearing (104c), a second bevel gear (105b) arranged at the top of the rotating rod (105a), a sleeve (105c) arranged at the bottom of the rotating rod (105a), and a limiting hole (105e) opened at the bottom of the sleeve (105c).

7. The bolt tightening tool according to any one of claims 2 to 6, characterized in that: The interior of the hollow box (101a) is a hollow structure for installing the miter gear (103a).

8. The bolt tightening tool according to claim 7, characterized in that: There are five equal-diameter bevel gears (103a) in total, and the equal-diameter bevel gears (103a) include a driving equal-diameter bevel gear (103a-1) and four driven bevel gears (103a-2), and the driven bevel gears (103a-2) are all meshedly connected with the driving equal-diameter bevel gear (103a-1).

9. The bolt tightening tool according to claim 3, characterized in that: The connection block (102c) is adapted to the connection limiting hole (102e).

10. The bolt tightening tool according to claim 9, characterized in that: An anti-slip pad is provided on the outer side of the handle (102d).