Anti-rotation tool for engine crankshaft

By designing an engine crankshaft anti-rotation tooling including main anti-rotation assembly and secondary anti-rotation assembly, the problem of low usage performance in the prior art is solved, and multi-direction anti-rotation of the crankshaft is achieved, and the performance and cutting effect are improved.

CN222661490UActive Publication Date: 2025-03-25CHONGQING DAWANG CRANKSHAFT MASCH MFG CO LTD
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Patent Information

Application Number
CN202421445515.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-03-25
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

The existing engine crankshaft anti-rotation tooling is braked and anti-rotation in one direction, and has low performance and is difficult to meet the needs of good useability.

Method used

An engine crankshaft anti-rotation tooling including a main anti-rotation assembly and a secondary anti-rotation assembly is designed. The main anti-rotation component realizes the limiting position of the crankshaft outer wall through the cooperation of the limiting rod and the hydraulic rod; the secondary anti-rotation component realizes the brake and anti-rotation of the crankshaft inner wall through the cooperation of the hydraulic rod and the brake pad.

Benefits of technology

Through the combination of the main anti-rotation component and the secondary anti-rotation component, the multi-directional anti-rotation of the crankshaft is achieved, and the performance is improved, providing better cutting-in crankshaft connection effect and braking anti-rotation effect.

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Abstract

The utility model discloses an engine crankshaft anti-rotation tool which comprises a base assembly, a main anti-rotation assembly is arranged on the outer wall of the base assembly, and an auxiliary anti-rotation assembly is arranged on the outer wall of the base assembly. The main anti-rotation assembly comprises a bottom frame mechanism, a limiting rod is arranged on the outer wall of the bottom frame mechanism, the limiting rod comprises rod bodies, the bottoms of the rod bodies are in threaded connection with fastening pins, the number of the rod bodies is two, the tops of the rod bodies are subjected to arc-shaped chamfering ending, and the bottom frame mechanism comprises a table tray; according to the engine crankshaft anti-rotation tool, through the arrangement of the main anti-rotation assembly, in the use process, after the position of the mechanism is fixed through the base assembly, the position of a limiting rod is adjusted according to the use condition of a crankshaft, and the use position of the limiting rod is adjusted through over-starting and control of a first hydraulic rod, so that the outer wall of the crankshaft is limited; wherein the top of the rod body is arranged in an arc-shaped chamfer ending manner, so that a better effect of cutting into a crankshaft for connection can be achieved.
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Description

Technical Field

[0001] The utility model relates to the field of crankshafts, in particular to an anti-rotation tooling for an engine crankshaft. Background Art

[0002] The crankshaft is the most important part of the engine. It bears the force from the connecting rod and converts it into torque, which is output through the crankshaft and drives other accessories on the engine. The crankshaft is subjected to the combined effects of the centrifugal force of the rotating mass, the periodically changing gas inertia force and the reciprocating inertia force, which makes the crankshaft subject to bending and torsion loads. Therefore, the crankshaft is required to have sufficient strength and rigidity, and the journal surface must be wear-resistant, work evenly and have good balance.

[0003] The existing technology has the following problems:

[0004] In the prior art, the engine crankshaft anti-rotation tooling is generally used to brake and prevent rotation from a single direction, and has low performance. Therefore, it is necessary to design an engine crankshaft anti-rotation tooling with good usability. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes an engine crankshaft anti-rotation tooling to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solution adopted by the utility model is as follows: an engine crankshaft anti-rotation tooling, comprising a base assembly, the outer wall of the base assembly is provided with a main anti-rotation assembly, and the outer wall of the base assembly is provided with a secondary anti-rotation assembly;

[0007] The main anti-rotation assembly comprises a base frame mechanism, and a limit rod is arranged on an outer wall of the base frame mechanism.

[0008] Preferably, the limiting rod comprises a rod body, and a fastening pin is threadedly connected to the bottom of the rod body.

[0009] Preferably, the number of the rod bodies is two, and the tops of the rod bodies are chamfered in an arc shape.

[0010] Preferably, the chassis mechanism comprises a platform, the bottom of the platform is fixedly connected to a first hydraulic rod, and the bottom of the first hydraulic rod is fixedly connected to a chassis.

[0011] Preferably, a mounting groove is provided on the top of the table, a mounting hole is provided on the inner wall of the mounting groove, and the fastening pin passes through the inner wall of the mounting hole; through the setting of the main anti-rotation component, during use, after the position of the mechanism is fixed by the base component, the position of the limit rod is adjusted according to the use of the crankshaft, and the use position of the limit rod is adjusted by starting and controlling the first hydraulic rod, thereby limiting the outer wall of the crankshaft, wherein the top of the rod body is chamfered in an arc shape, which can achieve a better effect of cutting into the crankshaft connection, improve the use effect of the device, and provide convenience for the user.

[0012] Preferably, the auxiliary anti-rotation assembly comprises a second hydraulic rod fixedly arranged on the outer wall of the base assembly, the outer wall of the second hydraulic rod is fixedly connected to a connecting frame, and the outer wall of the connecting frame is fixedly connected to a measuring plate.

[0013] Preferably, a brake pad is provided on the outer wall of the measuring disc, and the measuring discs are fixedly connected by bolts; through the provision of a secondary anti-rotation component, during use, the second hydraulic rod is started and controlled to insert the brake pad into the inner wall of one side of the crankshaft to achieve a braking anti-rotation effect, thereby improving the use effect of the device and providing convenience for users.

[0014] Preferably, the base assembly comprises a mounting plate, and an outer wall of the mounting plate is slidably connected with a mounting seat.

[0015] Preferably, both the mounting plate and the mounting seat are provided with positioning slots; through the arrangement of the base assembly, the device can be easily installed and positioned, thereby improving the use effect of the device and providing convenience for the user.

[0016] The beneficial effects of the utility model are as follows: 1. The engine crankshaft anti-rotation tooling, through the setting of the main anti-rotation component, during use, after the position of the mechanism is fixed by the base component, the position of the limit rod is adjusted according to the use of the crankshaft, and the use position of the limit rod is adjusted by starting and controlling the first hydraulic rod, thereby limiting the outer wall of the crankshaft. The top of the rod body is chamfered in an arc shape, which can achieve a better effect of cutting into the crankshaft connection, improve the use effect of the device, and provide convenience for users.

[0017] 2. The engine crankshaft anti-rotation tooling, through the setting of the auxiliary anti-rotation component, can achieve the braking anti-rotation effect by starting and controlling the use of the second hydraulic rod during use, thereby inserting the brake pad into the inner wall of one side of the crankshaft, thereby improving the use effect of the device and providing convenience for the user.

[0018] 3. The engine crankshaft anti-rotation tooling can be easily installed and positioned by setting the base assembly, thereby improving the use effect of the device and providing convenience for users. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is the front view of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the main anti-rotation component of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the chassis mechanism of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the limit rod of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the auxiliary anti-rotation component of the utility model;

[0025] Figure 6 It is a structural schematic diagram of the base assembly of the utility model.

[0026] In the figure: 1. base assembly; 101. mounting plate; 102. mounting seat; 2. main anti-rotation assembly; 201. chassis mechanism; 2011. table; 2012. mounting groove; 2013. first hydraulic rod; 2014. chassis; 202. limit rod; 2021. rod body; 2022. fastening pin; 3. secondary anti-rotation assembly; 301. measuring plate; 302. connecting frame; 303. second hydraulic rod; 304. brake pad. DETAILED DESCRIPTION

[0027] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0028] According to an embodiment of the utility model, an engine crankshaft anti-rotation tool is provided.

[0029] Embodiment 1;

[0030] like Figure 1-Figure 6 As shown, the engine crankshaft anti-rotation tooling according to the embodiment of the utility model comprises a base assembly 1, the outer wall of the base assembly 1 is provided with a main anti-rotation assembly 2, and the outer wall of the base assembly 1 is provided with a secondary anti-rotation assembly 3;

[0031] The main anti-rotation assembly 2 includes a base frame mechanism 201, and a limit rod 202 is provided on the outer wall of the base frame mechanism 201;

[0032] The limiting rod 202 includes a rod body 2021, and a fastening pin 2022 is threadedly connected to the bottom of the rod body 2021;

[0033] There are two rod bodies 2021, and the top of the rod body 2021 is chamfered in an arc shape;

[0034] The chassis mechanism 201 includes a platform 2011, the bottom of the platform 2011 is fixedly connected to a first hydraulic rod 2013, and the bottom of the first hydraulic rod 2013 is fixedly connected to a chassis 2014;

[0035] A mounting groove 2012 is formed on the top of the table 2011 , a mounting hole is formed on the inner wall of the mounting groove 2012 , and a fastening pin 2022 passes through the inner wall of the mounting hole.

[0036] In this embodiment, through the setting of the main anti-rotation component 2, during use, after the position of the mechanism is fixed by the base component 1, the position of the limit rod 202 is adjusted according to the use of the crankshaft, and the first hydraulic rod 2013 is started and controlled to adjust the use position of the limit rod 202, thereby limiting the outer wall of the crankshaft. The top of the rod body 2021 is chamfered in an arc shape, which can achieve a better effect of cutting into the crankshaft connection, improve the use effect of the device, and provide convenience for the user.

[0037] Embodiment 2:

[0038] On the basis of the first embodiment, the preferred embodiment of the engine crankshaft anti-rotation tooling provided by the present invention is as follows: Figure 1-Figure 6 As shown: the auxiliary anti-rotation assembly 3 includes a second hydraulic rod 303 fixedly arranged on the outer wall of the base assembly 1, the outer wall of the second hydraulic rod 303 is fixedly connected to a connecting frame 302, and the outer wall of the connecting frame 302 is fixedly connected to a measuring plate 301;

[0039] A brake pad 304 is provided on the outer wall of the measuring disc 301 , and the measuring discs 301 are fixedly connected to each other by bolts.

[0040] In this embodiment, through the setting of the auxiliary anti-rotation component 3, during use, by starting and controlling the use of the second hydraulic rod 303, the brake pad 304 is inserted into the inner wall of one side of the crankshaft to achieve the braking anti-rotation effect, thereby improving the use effect of the device and providing convenience for the user.

[0041] Embodiment three;

[0042] On the basis of the first embodiment, the preferred embodiment of the engine crankshaft anti-rotation tooling provided by the present invention is as follows: Figure 1-Figure 6 As shown: the base assembly 1 includes a mounting plate 101, and the outer wall of the mounting plate 101 is slidably connected with a mounting seat 102;

[0043] Both the mounting plate 101 and the mounting seat 102 are provided with positioning slots.

[0044] In this embodiment, the base assembly 1 is provided to facilitate installation and positioning of the device, thereby improving the use effect of the device and providing convenience for the user.

[0045] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0046] In actual application, first, after fixing the position of the mechanism through the base assembly 1, select the main anti-rotation assembly 2 and the auxiliary anti-rotation assembly 3 for use as needed: select the main anti-rotation assembly 2, adjust the position of the limit rod 202 according to the use of the crankshaft, and use the first hydraulic rod 2013 to adjust the use position of the limit rod 202 by starting and controlling, so as to limit the outer wall of the crankshaft, wherein the top of the rod body 2021 is chamfered in an arc shape, which can achieve a better effect of cutting into the crankshaft connection, improve the use effect of the device, and provide convenience for the user; select the use of the auxiliary anti-rotation assembly 3, and during use, start and control the use of the second hydraulic rod 303, so as to insert the brake pad 304 into the inner wall of one side of the crankshaft to achieve the braking anti-rotation effect.

[0047] In summary, with the aid of the above-mentioned technical scheme of the utility model, the engine crankshaft anti-rotation tooling, through the setting of the main anti-rotation component 2, in use, after the position of the mechanism is fixed by the base component 1, the position of the limit rod 202 is adjusted according to the use of the crankshaft, and the use position of the limit rod 202 is adjusted by starting and controlling the use of the first hydraulic rod 2013, thereby limiting the outer wall of the crankshaft, wherein the top of the rod body 2021 is provided with an arc-shaped chamfered end, which can achieve a better effect of cutting into the crankshaft connection, improve the use effect of the device, and provide convenience for users; through the setting of the secondary anti-rotation component 3, in use, by starting and controlling the use of the second hydraulic rod 303, the brake pad 304 is inserted into the inner wall of one side of the crankshaft to achieve the braking anti-rotation effect, improve the use effect of the device, and provide convenience for users; through the setting of the base component 1, it is possible to facilitate the installation and positioning of the device, improve the use effect of the device, and provide convenience for users.

[0048] The above are only preferred embodiments of the present invention and are 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. An engine crankshaft anti-rotation tool, comprising a base assembly (1), characterized in that: The outer wall of the base assembly (1) is provided with a main anti-rotation assembly (2), and the outer wall of the base assembly (1) is provided with a secondary anti-rotation assembly (3); The main anti-rotation assembly (2) comprises a base frame mechanism (201), and a limit rod (202) is provided on the outer wall of the base frame mechanism (201).

2. The engine crankshaft anti-rotation tooling according to claim 1, characterized in that: The limiting rod (202) comprises a rod body (2021), and a fastening pin (2022) is threadedly connected to the bottom of the rod body (2021).

3. The engine crankshaft anti-rotation tooling according to claim 2, characterized in that: The number of the rod bodies (2021) is two, and the top of the rod body (2021) is chamfered in an arc shape.

4. The engine crankshaft anti-rotation tooling according to claim 3, characterized in that: The chassis mechanism (201) comprises a platform (2011), the bottom of the platform (2011) is fixedly connected to a first hydraulic rod (2013), and the bottom of the first hydraulic rod (2013) is fixedly connected to a chassis (2014).

5. The engine crankshaft anti-rotation tooling according to claim 4, characterized in that: The top of the platform (2011) is provided with a mounting groove (2012), the inner wall of the mounting groove (2012) is provided with a mounting hole, and the fastening pin (2022) passes through the inner wall of the mounting hole.

6. The engine crankshaft anti-rotation tooling according to claim 1, characterized in that: The auxiliary anti-rotation assembly (3) comprises a second hydraulic rod (303) fixedly arranged on the outer wall of the base assembly (1), the outer wall of the second hydraulic rod (303) is fixedly connected to a connecting frame (302), and the outer wall of the connecting frame (302) is fixedly connected to a measuring plate (301).

7. The engine crankshaft anti-rotation tooling according to claim 6, characterized in that: The outer wall of the measuring disc (301) is provided with a brake pad (304), and the measuring discs (301) and the measuring discs (301) are fixedly connected by bolts.

8. The engine crankshaft anti-rotation tooling according to claim 1, characterized in that: The base assembly (1) comprises a mounting plate (101), the outer wall of the mounting plate (101) being fitted and slidably connected with a mounting seat (102).

9. The engine crankshaft anti-rotation tooling according to claim 8, characterized in that: The mounting plate (101) and the mounting seat (102) are both provided with positioning slots.