Manual turning gear for high-speed gearbox

The manual wheeling device rotates the high-speed gearbox at a low speed, which solves the problem of difficulty in checking the operating status before starting the traditional high-speed gearbox, improving operational safety and reducing maintenance costs.

CN222864050UActive Publication Date: 2025-05-13NINGBO DONLY CO LTD
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Patent Information

Application Number
CN202421981740.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-15
Publication Date
2025-05-13
Estimated Expiration
2034-08-15

AI Technical Summary

Technical Problem

Traditional high-speed gearboxes lack direct and effective inspection methods before starting, making it difficult to judge the operating status, increase operational complexity and maintenance costs, and may cause mechanical failures and safety accidents.

Method used

A manual carriage device for high-speed gearbox is designed, which drives the drive shaft and output block to rotate through the handwheel, so that the high-speed gearbox can rotate at a low speed for manual carriage, intuitively check the rotation status and avoid accidental start.

Benefits of technology

The intuitive inspection of the operating status of the high-speed gearbox is realized, which improves operating safety, reduces maintenance costs, and simplifies the device structure and manufacturing process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The manual turning gear comprises a shell, an output block, a transmission shaft, a sliding block gear sleeve, a linkage piece, a hand wheel and a connecting rod shifting fork mechanism, the output block is rotationally arranged in the shell, one end of the output block is connected with an input shaft of the high-speed gearbox, a first tooth face is annularly arranged at the other end of the output block, and a second tooth face is arranged at the other end of the transmission shaft. The transmission shaft is rotationally arranged in the shell and is coaxial with the output block, and the transmission shaft is sleeved with the sliding block gear sleeve in a sliding mode. According to the utility model, whether the rotation of the high-speed gear box is smooth or not and whether the phenomena such as abnormal sound or blockage exist or not can be intuitively felt, so that the running state of the high-speed gear box is effectively checked, accidental injury caused by sudden starting of the high-speed gear box is avoided, the operation safety is improved, and the working efficiency is improved. And the whole turning gear is simple to operate, simple in structure and low in manufacturing cost.
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Description

Technical Field

[0001] The utility model relates to the technical field of high-speed gear boxes, in particular to a manual turning device for high-speed gear boxes. Background Art

[0002] In the design and application of high-speed gearboxes, it is crucial to ensure their stable operation and efficient maintenance.

[0003] Traditional high-speed gearboxes lack direct and effective inspection methods before startup, and often rely on indirect electrical signals or complex detection equipment to determine their operating status, which not only increases the complexity of operation, but also increases maintenance costs. At the same time, if there are problems such as insufficient lubrication and component jamming in the early stage of startup, the high-speed gearbox may cause serious mechanical failures and even cause production interruptions and safety accidents. Summary of the invention

[0004] In view of the above problems existing in the existing high-speed gearbox, the present invention aims to provide a manual turning device for a high-speed gearbox which is simple to operate, low in cost and has improved safety.

[0005] The specific technical solutions are as follows:

[0006] A manual turning device for a high-speed gearbox, comprising:

[0007] case;

[0008] An output block, the output block is rotatably disposed in the housing, one end of the output block is connected to the input shaft of the high-speed gear box, and the other end of the output block is annularly provided with a first tooth surface;

[0009] A transmission shaft, the transmission shaft is rotatably disposed in the housing and is coaxially disposed with the output block;

[0010] A slider gear sleeve, wherein the slider gear sleeve is slidably sleeved on the outside of the transmission shaft, and a second tooth surface matching the first tooth surface is formed on a side of the slider gear sleeve close to the output block;

[0011] A linkage, wherein the linkage is disposed between the slider gear sleeve and the transmission shaft, and when the slider gear sleeve slides along the axial direction of the transmission shaft, the transmission shaft can continuously transmit rotational power to the slider gear sleeve through the linkage;

[0012] A hand wheel, the hand wheel is in driving connection with the transmission shaft and is used to drive the transmission shaft to rotate;

[0013] A connecting rod fork mechanism is drivingly connected to the slider gear sleeve and is used to drive the slider gear sleeve to slide so that the first tooth surface is engaged with or disengaged from the second tooth surface.

[0014] As a further improvement and optimization of this solution, the handwheel and the transmission shaft are connected via a worm gear mechanism.

[0015] As a further improvement and optimization of this solution, the worm gear mechanism includes:

[0016] A worm, the worm is rotatably mounted in the housing and is perpendicular to the transmission shaft, and one end of the worm extends out of the housing and is connected to the hand wheel;

[0017] A worm wheel is sleeved on the outside of the transmission shaft and meshes with the worm.

[0018] As a further improvement and optimization of the present solution, the linkage comprises an external spline arranged on the outer wall of the transmission shaft and an internal spline arranged on the inner wall of the slider gear sleeve, and the internal spline is matched and connected with the external spline.

[0019] As a further improvement and optimization of this solution, the connecting rod fork mechanism includes:

[0020] A shifting ring, wherein the outer circumferential surface of the slider gear sleeve is provided with a limiting groove, the shifting ring sleeve is arranged in the limiting groove, and the slider gear sleeve can rotate relative to the shifting ring;

[0021] Two mounting blocks, the two mounting blocks are rotatably mounted on two sides of the dial ring respectively;

[0022] A driving shaft, the driving shaft is rotatably disposed in the housing and is perpendicular to the transmission shaft;

[0023] Two levers, one end of each lever is connected to the driving shaft, and the other end of each lever is slidably mounted on the two mounting blocks along its own axis;

[0024] A driving assembly is connected to the driving shaft in a transmission manner and is used to drive the driving shaft to rotate so that the two shifting rods shift the slider gear sleeve to slide axially through the shifting ring.

[0025] As a further improvement and optimization of the present solution, the driving assembly includes: a toggle handle, one end of which is connected to one end of the driving shaft.

[0026] As a further improvement and optimization of the present solution, a positioning assembly is further provided between the toggle handle and the housing for locking the rotation angle of the toggle handle.

[0027] As a further improvement and optimization of this solution, the positioning assembly includes a first positioning hole and a second positioning hole provided on the housing, and the first positioning hole and the second positioning hole are distributed along the circumferential direction;

[0028] It also includes a positioning pin, one end of which passes through the toggle handle and is positioned and matched with the first positioning hole or the second positioning hole. When the positioning pin is positioned and matched with the first positioning hole, the second tooth surface is meshed with the first tooth surface. When the positioning pin is positioned and matched with the second positioning hole, the second tooth surface is disengaged from the first tooth surface.

[0029] Compared with the prior art, the above technical solution has the following positive effects:

[0030] (1) In the utility model, before the high-speed gearbox is started, the transmission shaft is driven to rotate by rotating the hand wheel, and the output block is driven to rotate by rotating the slider gear sleeve, so that the high-speed gearbox is rotated at a low speed for manual cranking. Through manual cranking, not only can we intuitively feel whether the rotation of the high-speed gearbox is smooth, whether there are abnormal noises or jamming, etc., so as to effectively check the operating status of the high-speed gearbox, avoid accidental injuries caused by the sudden start of the high-speed gearbox, improve operational safety, and the overall cranking device is simple to operate, simple in structure and low in manufacturing cost.

[0031] (2) In the present invention, after the high-speed gearbox is started, the connecting rod fork mechanism drives the sliding sleeve to slide, and the first tooth surface is disengaged from the second tooth surface, which will not affect the normal operation of the high-speed gearbox. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a structural schematic diagram of a manual turning device for a high-speed gearbox of the utility model;

[0033] Figure 2 This is a structural schematic diagram of a manual turning device for a high-speed gearbox of the utility model;

[0034] Figure 3 This is an AA cross-sectional view of a manual turning device for a high-speed gearbox of the utility model;

[0035] In the accompanying drawings: 1. housing; 2. output block; 3. slider gear sleeve; 4. transmission shaft; 5. handwheel; 6. worm; 7. worm wheel; 8. connecting rod fork mechanism; 31. limiting groove; 81. shift ring; 82. mounting block; 83. driving shaft; 84. shift rod; 85. shift handle; 86. positioning pin. DETAILED DESCRIPTION

[0036] 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.

[0037] In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, if the terms "first", "second", "third" appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] Figure 1 This is a structural schematic diagram of a manual turning device for a high-speed gearbox of the utility model. Figure 2 This is a structural schematic diagram of a manual turning device for a high-speed gearbox of the utility model. Figure 3 This is an AA cross-sectional view of a manual turning device for a high-speed gearbox of the utility model. Figure 1-3 As shown, a manual turning device for a high-speed gearbox in a preferred embodiment is shown, comprising: a housing 1, an output block 2, a transmission shaft 4, a slider gear sleeve 3, a linkage, a handwheel 5 and a connecting rod fork mechanism 8. The output block 2 is rotatably arranged in the housing 1, and one end of the output block 2 is connected to the input shaft of the high-speed gearbox, and the other end is provided with a first tooth surface. The transmission shaft 4 is rotatably arranged in the housing 1 and is coaxially arranged with the output block 2. The slider gear sleeve 3 is slidably sleeved on the outside of the transmission shaft 4, and a second tooth surface matching the first tooth surface is provided on the side of the slider gear sleeve 3 close to the output block 2. The linkage is arranged between the slider gear sleeve 3 and the transmission shaft 4. When the slider gear sleeve 3 slides along the axial direction of the transmission shaft 4, the transmission shaft 4 can continuously transmit rotational power to the slider gear sleeve 3 through the linkage. The handwheel 5 is transmission-connected to the transmission shaft 4 for driving the transmission shaft 4 to rotate. The connecting rod fork mechanism 8 is transmission-connected to the slider gear sleeve 3 for driving the slider gear sleeve 3 to slide so that the first tooth surface is engaged or disengaged with the second tooth surface.

[0040] In the present embodiment, before the high-speed gearbox is started, the transmission shaft 4 is driven to rotate by rotating the hand wheel 5, and the output block 2 is driven to rotate by rotating the slider gear sleeve 3, so that the high-speed gearbox is rotated at a low speed for manual cranking. Through manual cranking, not only can we intuitively feel whether the rotation of the high-speed gearbox is smooth, whether there are abnormal noises or jamming, etc., so as to effectively check the operating status of the high-speed gearbox, avoid accidental injuries caused by sudden starting of the high-speed gearbox, improve operational safety, and the overall cranking device is simple to operate, simple in structure and low in manufacturing cost.

[0041] In this embodiment, after the high-speed gearbox is started, the connecting rod fork mechanism 8 drives the sliding sleeve to slide, and the first tooth surface is disengaged from the second tooth surface, which will not affect the normal operation of the high-speed gearbox.

[0042] Preferably, the output block 2 is connected to the input shaft of the high-speed gearbox through an interference fit.

[0043] Furthermore, as a preferred embodiment, the hand wheel 5 and the transmission shaft 4 are connected via a worm gear 7 and a worm 6 mechanism.

[0044] Furthermore, as a preferred embodiment, the worm gear 7 and worm 6 mechanism includes a worm 6 and a worm gear 7, the worm 6 is rotatably installed in the housing 1 and is perpendicular to the transmission shaft 4, and one end of the worm 6 extends out of the housing 1 and is connected to the handwheel 5, and the worm wheel 7 is sleeved on the outside of the transmission shaft 4 and meshes with the worm 6.

[0045] Further, as a preferred embodiment, the linkage member includes an external spline arranged on the outer wall of the transmission rod and an internal spline arranged on the inner wall of the slider gear sleeve 3, and the internal spline is matched and connected with the external spline.

[0046] Furthermore, as a preferred embodiment, the connecting rod fork mechanism 8 includes a shift ring 81, two mounting blocks 82, a driving shaft 83, two shift rods 84 and a driving assembly. The outer circumferential surface of the slider sleeve 3 is provided with a limiting groove 31, the shift ring 81 is sleeved in the limiting groove 31, and the slider sleeve 3 can rotate relative to the shift ring 81. The two mounting blocks 82 are respectively rotatably installed on both sides of the shift ring 81. The driving shaft 83 is rotatably arranged in the housing 1 and is perpendicular to the transmission shaft 4. One end of the two shift rods 84 is connected to the driving shaft 83, and the other end can be slidably installed on the two mounting blocks 82 along their own axial direction. The driving assembly is transmission-connected to the driving shaft 83 for driving the driving shaft 83 to rotate so that the two shift rods 84 can slide along the axial direction by shifting the sliding sleeve through the shift ring 81.

[0047] Furthermore, as a preferred embodiment, the driving assembly includes: a toggle handle 85 , one end of which is connected to one end of the driving shaft 83 .

[0048] Furthermore, as a preferred embodiment, a positioning assembly is provided between the toggle handle 85 and the housing 1 for locking the rotation angle of the toggle handle 85 .

[0049] The utility model also has the following implementation methods based on the above:

[0050] In a further embodiment of the utility model, the positioning component includes a first positioning hole and a second positioning hole provided on the shell 1, and the first positioning hole and the second positioning hole are distributed along the circumferential direction; it also includes a positioning pin 86, one end of the positioning pin 86 passes through the toggle handle 85 and is positioned and matched with the first positioning hole or the second positioning hole. When the positioning pin 86 is positioned and matched with the first positioning hole, the second tooth surface is meshed with the first tooth surface, and when the positioning pin 86 is positioned and matched with the second positioning hole, the second tooth surface is disengaged from the first tooth surface.

[0051] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A manual turning device for a high-speed gearbox, characterized in that: include: case; An output block, the output block is rotatably disposed in the housing, one end of the output block is connected to the input shaft of the high-speed gear box, and the other end of the output block is annularly provided with a first tooth surface; A transmission shaft, the transmission shaft is rotatably disposed in the housing and is coaxially disposed with the output block; A slider gear sleeve, wherein the slider gear sleeve is slidably sleeved on the outside of the transmission shaft, and a second tooth surface matching the first tooth surface is formed on a side of the slider gear sleeve close to the output block; A linkage, wherein the linkage is disposed between the slider gear sleeve and the transmission shaft, and when the slider gear sleeve slides along the axial direction of the transmission shaft, the transmission shaft can continuously transmit rotational power to the slider gear sleeve through the linkage; A hand wheel, the hand wheel is in driving connection with the transmission shaft and is used to drive the transmission shaft to rotate; A connecting rod fork mechanism is drivingly connected to the slider gear sleeve and is used to drive the slider gear sleeve to slide so that the first tooth surface is engaged with or disengaged from the second tooth surface.

2. The manual turning device for a high-speed gearbox according to claim 1, characterized in that: The hand wheel and the transmission shaft are connected via a worm gear mechanism.

3. The manual turning device for a high-speed gearbox according to claim 2, characterized in that: The worm gear mechanism comprises: A worm, the worm is rotatably mounted in the housing and is perpendicular to the transmission shaft, and one end of the worm extends out of the housing and is connected to the hand wheel; A worm wheel is sleeved on the outside of the transmission shaft and meshes with the worm.

4. The manual turning device for a high-speed gearbox according to claim 1, characterized in that: The linkage member comprises an external spline arranged on the outer wall of the transmission shaft and an internal spline arranged on the inner wall of the slider gear sleeve, and the internal spline is matched and connected with the external spline.

5. The manual turning device for a high-speed gearbox according to claim 1, characterized in that: The connecting rod fork mechanism comprises: A shifting ring, wherein the outer circumferential surface of the slider gear sleeve is provided with a limiting groove, the shifting ring sleeve is arranged in the limiting groove, and the slider gear sleeve can rotate relative to the shifting ring; Two mounting blocks, the two mounting blocks are rotatably mounted on two sides of the dial ring respectively; A driving shaft, the driving shaft is rotatably disposed in the housing and is perpendicular to the transmission shaft; Two levers, one end of each lever is connected to the driving shaft, and the other end of each lever is slidably mounted on the two mounting blocks along its own axis; A driving assembly is connected to the driving shaft in a transmission manner and is used to drive the driving shaft to rotate so that the two shifting rods shift the slider gear sleeve to slide axially through the shifting ring.

6. The manual turning device for a high-speed gearbox according to claim 5, characterized in that: The driving assembly comprises a toggle handle, one end of which is connected to one end of the driving shaft.

7. The manual turning device for a high-speed gearbox according to claim 6, characterized in that: A positioning assembly is also provided between the toggle handle and the housing for locking the rotation angle of the toggle handle.

8. The manual turning device for a high-speed gearbox according to claim 7, characterized in that: The positioning assembly comprises a first positioning hole and a second positioning hole provided on the housing, wherein the first positioning hole and the second positioning hole are distributed along the circumferential direction; It also includes a positioning pin, one end of which passes through the toggle handle and is positioned and matched with the first positioning hole or the second positioning hole. When the positioning pin is positioned and matched with the first positioning hole, the second tooth surface is meshed with the first tooth surface. When the positioning pin is positioned and matched with the second positioning hole, the second tooth surface is disengaged from the first tooth surface.