Bolt adjusting device

By designing a bolt adjustment device including a fixed rod and a rotating rod, the problem of difficulty in tightening or dismantling bolts in confined space of the marine platform is solved, and efficient bolt operation is achieved, reducing construction costs and time.

CN222588721UActive Publication Date: 2025-03-11OFFSHORE OIL ENG CO LTD
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Patent Information

Application Number
CN202420516130.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-18
Publication Date
2025-03-11
Estimated Expiration
2034-03-18

AI Technical Summary

Technical Problem

In the confined space of the marine platform, it is difficult for traditional methods to effectively tighten or remove bolts, resulting in extended construction period, increased workload and reduced efficiency.

Method used

A bolt adjustment device is designed, including a fixing rod and a rotating rod. By providing the first and second bolt sleeves, the second bolt is tightened or loosened relative to the first bolt by the rotation of the rotating rod, thereby achieving bolt tightening and disassembly in the confined space.

Benefits of technology

The device can efficiently tighten or remove bolts in confined spaces, significantly saving labor costs and time costs and improving construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bolt adjusting device which comprises a fixed rod and a rotating rod, a connecting assembly is arranged between the fixed rod and the rotating rod, a first bolt sleeving piece is arranged on the fixed rod, a second bolt sleeving piece is arranged on the rotating rod, and the first bolt sleeving piece and the second bolt sleeving piece are coaxially arranged. The first bolt is sleeved with the first bolt sleeving piece, the second bolt is sleeved with the second bolt sleeving piece, and the rotating rod rotates relative to the connecting assembly so that the second bolt and the first bolt can be tightened or loosened. According to the bolt adjusting device, the first bolt is sleeved with the first bolt sleeving piece, the second bolt sleeving piece is sleeved with the second bolt, and the rotating rod rotates relative to the connecting assembly so that the second bolt and the first bolt can be tightened or loosened relatively, and tightening or loosening of the bolts in the limited space can be achieved; and compared with traditional bolt tightening or unscrewing work in the limited space, the labor cost and the time cost are saved, and the working efficiency is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of bolt adjustment, and in particular relates to a bolt adjustment device. Background Art

[0002] Offshore platforms are highly integrated and space is extremely limited, so offshore engineering construction often requires working in confined spaces. Bolt tightening is one of the common tasks in offshore engineering construction, and it is often difficult to tighten bolts in a small space using traditional wrenches.

[0003] At present, the commonly used practice for bolt tightening work in confined spaces is: during the construction phase of the offshore platform, the manufacturing and construction procedures are changed to schedule the bolt tightening work in confined spaces before the installation of pipelines and equipment, which often seriously affects the project schedule; and during the maintenance and repair phase of the offshore platform, it is often necessary to change the confined space, that is, to dismantle the equipment or pipelines attached to the bolts, which greatly increases the construction workload and reduces work efficiency.

[0004] Therefore, it is urgent to design a bolt adjustment device to solve the above-mentioned problems of inconvenient bolt removal in confined space, increased workload and reduced work efficiency. Utility Model Content

[0005] In order to solve the technical problems mentioned in the background technology that bolts are inconvenient to remove in a confined space, increase workload and reduce work efficiency, a bolt adjustment device is provided to solve the above problems.

[0006] To achieve the above purpose, the specific technical solution of the bolt adjustment device of the utility model is as follows:

[0007] A bolt adjustment device, characterized in that it includes a fixed rod and a rotating rod, a connecting assembly is arranged between the fixed rod and the rotating rod, a first bolt sleeve is arranged on the fixed rod, and a second bolt sleeve is arranged on the rotating rod. The first bolt sleeve and the second bolt sleeve are coaxially arranged, the first bolt sleeve is sleeved on the first bolt, and the second bolt sleeve is sleeved on the second bolt. The rotating rod rotates relative to the connecting assembly to tighten or loosen the second bolt and the first bolt.

[0008] Furthermore, the fixed rod is an L-shaped fixed rod, and the rotating rod is a straight rod.

[0009] Furthermore, the fixing rod includes a vertical rod and a horizontal plate, and the first bolt sleeve is arranged on the horizontal plate.

[0010] Furthermore, a first connecting member is provided on the horizontal plate, a first plug-in groove is provided on the first bolt sleeve, and the first connecting member is plugged into the first plug-in groove; a second connecting member is provided on the rotating rod, a second plug-in groove is provided on the second bolt sleeve, and the second connecting member is plugged into the second plug-in groove.

[0011] Furthermore, the first connecting member is snap-connected with the first plug-in slot, and the second connecting member is snap-connected with the second plug-in slot.

[0012] Furthermore, it also includes a first clamping member and a second clamping member, the first clamping member is arranged in the first plug-in slot to clamp and fix the first connecting member in the first plug-in slot, and the second clamping member is arranged in the second plug-in slot to clamp and fix the second connecting member in the second plug-in slot.

[0013] Furthermore, the connecting assembly includes a first sleeve and a second sleeve, a connecting rod is connected between the first sleeve and the second sleeve, the first sleeve is sleeved on the fixed rod, and the second sleeve is sleeved on the rotating rod.

[0014] Furthermore, it also includes a top screw. A threaded hole is opened on the first sleeve. The top screw passes through the threaded hole and abuts against the fixing rod to fix the first sleeve on the fixing rod.

[0015] Furthermore, a bearing is arranged in the second sleeve, and the rotating rod is sleeved in the bearing, so that the rotating rod is rotatably arranged relative to the second sleeve.

[0016] Furthermore, it also includes a handle, which is vertically arranged at one end of the rotating rod away from the first bolt sleeve connector.

[0017] The bolt adjusting device of the utility model has the following advantages:

[0018] By arranging a first bolt sleeve on the fixed rod and a second bolt sleeve on the rotating rod, the first bolt sleeve and the second bolt sleeve are coaxially arranged, the first bolt sleeve is sleeved on the first bolt, and the second bolt sleeve is sleeved on the second bolt. The rotating rod rotates relative to the connecting assembly to tighten or loosen the second bolt relative to the first bolt, thereby realizing tightening or loosening of bolts in confined space. Compared with traditional tightening or loosening of bolts in confined space, it greatly saves labor cost and time cost and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the bolt adjustment device of the utility model;

[0020] Figure 2 This is a front view of the bolt adjustment device of the utility model Figure 1 ;

[0021] Figure 3 This is a front view of the bolt adjustment device of the utility model Figure 2 ;

[0022] Figure 4 for Figure 3 A is a schematic diagram of the enlarged structure of the middle part;

[0023] Figure 5 for Figure 3 Schematic diagram of the enlarged structure of B.

[0024] Description of the markings in the figure:

[0025] 1. Fixed rod; 11. Vertical rod; 12. Horizontal plate; 121. First connecting piece; 2. Rotating rod; 21. Handle; 22. Second connecting piece; 3. Connecting assembly; 31. First sleeve; 32. Second sleeve; 33. Connecting rod; 4. First bolt sleeve; 5. Second bolt sleeve; 6. First clamping piece; 7. Second clamping piece; 8. Top screw; 9. First flange; 91. First bolt; 10. Second flange; 101. Second bolt. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0027] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0028] Please refer to the attached Figure 1 To Attachment Figure 5 The invention describes a bolt adjusting device of the utility model.

[0029] Offshore platforms are highly integrated and have extremely tight space. At present, due to limited space, the tightening or disassembly of the bolts connected to the flange is usually done by changing the manufacturing and construction procedures during the construction phase of the offshore platform to schedule the tightening of the bolts in the confined space before installing pipelines and equipment, which often seriously affects the project schedule. During the maintenance phase of the offshore platform, it is often necessary to disassemble the bolts on the flange, which greatly increases the workload of the construction. Therefore, a bolt adjustment device is designed to complete the tightening and disassembly of the bolts on the flange in a confined space.

[0030] like Figures 1 to 3As shown, the bolt adjustment device in the utility model includes a fixed rod 1 and a rotating rod 2, a connecting assembly 3 is arranged between the fixed rod 1 and the rotating rod 2, a first bolt sleeve 4 is arranged on the fixed rod 1, and a second bolt sleeve 5 is arranged on the rotating rod 2, the first bolt sleeve 4 and the second bolt sleeve 5 are coaxially arranged, the flange includes a first flange 9 and a second flange 10, the first flange 9 and the second flange 10 are connected by bolts, the first flange 9 is provided with a first bolt 91, the second flange 10 is provided with a second bolt 101, the first bolt sleeve 4 is sleeved on the first bolt 91, the second bolt sleeve 5 is sleeved on the second bolt 101, and the rotating rod 2 is rotated relative to the connecting assembly 3 to tighten or loosen the second bolt 101 relative to the first bolt 91.

[0031] By providing a first bolt socket 4 on the fixed rod 1 and a second bolt socket 5 on the rotating rod 2, the first bolt socket 4 and the second bolt socket 5 are coaxially arranged, the first bolt socket 4 is socketed on the first bolt 91, and the second bolt socket 5 is socketed on the second bolt 101. The rotating rod 2 rotates relative to the connecting assembly 3 to tighten or loosen the second bolt 101 relative to the first bolt 91, thereby realizing tightening or loosening of the bolts in a confined space. Compared with the traditional tightening or loosening work of the bolts in a confined space, it greatly saves labor costs and time costs and improves work efficiency.

[0032] Further, if Figures 1 to 3 As shown, the fixing rod 1 is an L-shaped fixing rod 1, and the rotating rod 2 is a straight rod. The fixing rod 1 includes a vertical rod 11 and a horizontal plate 12, and the first bolt sleeve 4 is arranged on the horizontal plate 12. The first bolt sleeve 4 is coaxially arranged with the second bolt sleeve 5, and the first bolt sleeve 4 is used to be inserted into the first bolt 91, and the second bolt sleeve 5 is used to be inserted into the second bolt 101. The first bolt 91 of the column is fixed by the first bolt sleeve 4, and the second bolt sleeve 5 drives the second bolt 101 to rotate, so that the second bolt 101 rotates relative to the first bolt 91, and the tightening or loosening of the bolt is realized, which is not limited by the construction space, improves the work efficiency, and saves manpower and material resources.

[0033] Further, if Figures 1 to 5 As shown, the horizontal plate 12 is provided with a first connecting member 121, the first bolt sleeve 4 is provided with a first plugging groove, the first connecting member 121 is plugged into the first plugging groove, the rotating rod 2 is provided with a second connecting member 22, the second bolt sleeve 5 is provided with a second plugging groove, the second connecting member 22 is plugged into the second plugging groove. In this embodiment, the first bolt sleeve 4 and the second bolt sleeve 5 each have a plurality of different models, and different first bolt sleeves 4 and second bolt sleeves 5 are matched according to the models of the first bolts 91 and the second bolts 101.

[0034] Further, if Figures 1 to 5 As shown, the first connector 121 is clamped and arranged with the first plug-in slot, and the second connector 22 is clamped and arranged with the second plug-in slot. Specifically, the bolt adjustment device in the utility model also includes a first clamping member 6 and a second clamping member 7. The first clamping member 6 is arranged in the first plug-in slot to clamp and fix the first connector 121 in the first plug-in slot, and the second clamping member 7 is arranged in the second plug-in slot to clamp and fix the second connector 22 in the second plug-in slot. The first clamping member 6 is an elastic clamping column, and a clamping slot is arranged in the first plug-in slot. After the first connector 121 is plugged into the first plug-in slot, the clamping column is clamped in the clamping slot under the elastic force of the spring; the second clamping member 7 is an elastic clamping column, and a clamping slot is arranged in the second plug-in slot. After the second connector 22 is plugged into the second plug-in slot, the clamping column is clamped in the clamping slot under the elastic force of the spring. In other embodiments, the first connecting member 121 and the first plugging slot may also be connected by screwing or other connection methods, and the second connecting member 22 and the second plugging slot may also be connected by screwing or other connection methods.

[0035] Further, if Figures 1 to 3 As shown, the connection assembly 3 includes a first sleeve 31 and a second sleeve 32, a connecting rod 33 is connected between the first sleeve 31 and the second sleeve 32, the first sleeve 31 is sleeved on the fixed rod 1, specifically, the first sleeve 31 is sleeved on the vertical rod 11, and the second sleeve 32 is sleeved on the rotating rod 2. In this embodiment, the central axes of the first sleeve 31 and the second sleeve 32 are arranged in parallel.

[0036] Further, if Figures 1 to 3 As shown, the bolt adjustment device in the utility model further includes a top screw 8. A threaded hole is provided on the first sleeve 31. The top screw 8 is screwed to the threaded hole. The top screw 8 passes through the threaded hole and abuts against the fixing rod 1 to fix the first sleeve 31 on the fixing rod 1. By adjusting the top screw 8, the position of the first sleeve 31 on the vertical rod 11 can be adjusted according to actual conditions to meet different bolt disassembly or tightening operation requirements.

[0037] Further, if Figures 1 to 3As shown, a bearing is provided in the second sleeve 32, and the rotating rod 2 is sleeved in the bearing so that the rotating rod 2 can be rotated relative to the second sleeve 32. In this embodiment, during the operation, the position of the first sleeve 31 on the vertical pole 11 is first adjusted so that the first bolt sleeve 4 is sleeved on the first bolt 91, and the second bolt sleeve 5 is sleeved on the second bolt 101. After the first bolt sleeve 4 matches the first bolt 91 and the second bolt sleeve 5 matches the second bolt 101, the rotating rod 2 is rotated relative to the second sleeve 32 to loosen or tighten the second bolt 101. The bolt adjustment device in the utility model also includes a handle 21, which is vertically arranged at one end of the rotating rod 2 away from the second bolt sleeve 5. The rotating rod 2 is rotated by rotating the handle 21.

[0038] The working principle of the bolt adjustment device in the utility model is as follows:

[0039] The first sleeve 31 of the connecting assembly 3 is inserted into the vertical pole 11, and the second sleeve 32 is inserted into the rotating rod 2. The first bolt sleeve 4 and the second bolt sleeve 5 that match the first bolt 91 and the second bolt 101 are selected. According to the position of the restricted space, the position of the first sleeve 31 on the vertical pole 11 is adjusted by the top screw 8, so that the first bolt sleeve 4 is sleeved on the first bolt 91, and the second bolt sleeve 5 is sleeved on the second bolt 101. After adjustment, tighten the top screw 8 to fix the first sleeve 31 on the first vertical pole 11. By turning the handle 21, the rotating rod 2 rotates, and then the second bolt sleeve 5 drives the second bolt 101 to rotate, so as to realize the tightening or loosening operation of the second bolt 101, and the tightening and disassembly operations of the bolts in the restricted position can be completed.

[0040] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. 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 implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A bolt adjustment device, characterized in that: It includes a fixed rod and a rotating rod, a connecting assembly is arranged between the fixed rod and the rotating rod, a first bolt sleeve is arranged on the fixed rod, and a second bolt sleeve is arranged on the rotating rod. The first bolt sleeve and the second bolt sleeve are coaxially arranged, the first bolt sleeve is sleeved on the first bolt, and the second bolt sleeve is sleeved on the second bolt. The rotating rod rotates relative to the connecting assembly to tighten or loosen the second bolt with the first bolt.

2. The bolt adjustment device according to claim 1, characterized in that: The fixed rod is an L-shaped fixed rod, and the rotating rod is a straight rod.

3. The bolt adjustment device according to claim 1, characterized in that: The fixing rod comprises a vertical rod and a horizontal plate, and the first bolt sleeve connector is arranged on the horizontal plate.

4. The bolt adjustment device according to claim 3, characterized in that: A first connecting member is arranged on the horizontal plate, a first plug-in slot is opened on the first bolt sleeve, the first connecting member is inserted into the first plug-in slot, a second connecting member is arranged on the rotating rod, a second plug-in slot is opened on the second bolt sleeve, the second connecting member is inserted into the second plug-in slot.

5. The bolt adjustment device according to claim 4, characterized in that: The first connecting member is clamped and arranged with the first plugging slot, and the second connecting member is clamped and arranged with the second plugging slot.

6. The bolt adjustment device according to claim 5, characterized in that: It also includes a first clamping member and a second clamping member. The first clamping member is arranged in the first plug-in slot to clamp and fix the first connector in the first plug-in slot. The second clamping member is arranged in the second plug-in slot to clamp and fix the second connector in the second plug-in slot.

7. The bolt adjustment device according to claim 1, characterized in that: The connecting assembly comprises a first sleeve and a second sleeve, a connecting rod is connected between the first sleeve and the second sleeve, the first sleeve is sleeved on the fixed rod, and the second sleeve is sleeved on the rotating rod.

8. The bolt adjusting device according to claim 7, characterized in that: It also includes a top screw. A threaded hole is opened on the first sleeve. The top screw passes through the threaded hole and abuts against the fixing rod to fix the first sleeve on the fixing rod.

9. The bolt adjusting device according to claim 7, characterized in that: A bearing is arranged in the second sleeve, and the rotating rod is sleeved in the bearing so that the rotating rod can be rotatably arranged relative to the second sleeve.

10. The bolt adjusting device according to claim 1, characterized in that: The invention also comprises a handle which is vertically arranged at one end of the rotating rod away from the first bolt sleeve connector.