CN219027401U

CN219027401U - Tool for disassembling driving sprocket

Info

Publication number: CN219027401U
Application number: CN202223370686.2U
Authority: CN
Inventors: 侯文华; 覃洪汉; 钟志民; 苏振东; 唐湛恒; 覃加杰; 潘乐; 滕居兵; 冯煜; 卢仲军
Original assignee: China Tobacco Guangxi Industrial Co Ltd
Current assignee: China Tobacco Guangxi Industrial Co Ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-16
Anticipated expiration: 2032-12-15

Abstract

The utility model provides a tool for disassembling a drive sprocket, which comprises a support plate, a pulling arm and a screw rod, wherein a plurality of mounting holes are formed in the support plate and penetrate through two ends of the support plate, a first nut is fixedly connected to the middle of the support plate, the screw rod is rotationally connected with the first nut, the number of the pulling arms is two, one end of the pulling arm is fixedly connected with a stud, one end of the pulling arm, far away from the stud, is fixedly connected with a pulling part, and the pulling arm and the pulling part are in an L-shaped structure; the stud penetrates through the mounting hole of the support plate, and a second nut is movably connected to one end, far away from the pulling arm, of the support plate; the number of the pulling parts is two, and the pulling parts are located between the two pulling arms, the device is connected with the two pulling arms through the supporting plate, and meanwhile, the pulling arms are provided with the effect of forming the blocking by the pulling parts. The utility model has the advantages of ingenious design, simple structure, convenient manufacture, flexible operation, time and labor saving, and no damage to the chain wheel in the disassembly process, thereby ensuring the smooth maintenance work.

Description

Tool for disassembling driving sprocket

Technical Field

The utility model relates to the technical field of mechanical equipment maintenance, in particular to a tool for disassembling a transmission chain wheel.

Background

In the maintenance of mechanical equipment, it is sometimes necessary to disassemble the sprocket to perform subsequent maintenance work. In some large-scale or special mechanical production processing equipment, the sprocket is heavy, and the dismantlement degree of difficulty is big, needs suitable frock to dismantle it, and traditional dismantlement operation is general all with two claw (single armed) jack catch or crow bar dismantles it, can only have great operation potential safety hazard like this, thereby can also damage the sprocket easily to influence the follow-up normal use of machine simultaneously, and thereby operation influences work efficiency and is unfavorable for dismantling drive sprocket effectively simultaneously. If a proper chain wheel disassembling tool can be used, the chain wheel can be effectively protected by pulling the chain wheel out, and potential safety hazards are eliminated. Therefore, the disassembly tool for the driving sprocket is required to be arranged, the problem of disassembly of the sprocket can be effectively solved through reasonable structural design, the working efficiency is improved, and meanwhile, the potential safety hazard caused by the traditional disassembly of the sprocket can be eliminated.

Disclosure of Invention

In order to solve the problems of the prior art.

The technical scheme of the utility model is as follows:

the utility model provides a tool for disassembling a drive sprocket, which comprises a supporting plate, a pulling arm and a screw rod, wherein a plurality of mounting holes are formed in the supporting plate and penetrate through two ends of the supporting plate, a first nut is fixedly connected to the middle position of the supporting plate, the screw rod is rotationally connected with the first nut, the number of the pulling arms is two, one end of the pulling arm is fixedly connected with a stud, one end of the pulling arm far away from the stud is fixedly connected with a pulling part, and the pulling arm and the pulling part are in an L-shaped structure; the stud penetrates through the mounting hole of the support plate, and a second nut is movably connected to one end, far away from the pulling arm, of the support plate; the number of the pulling parts is two, and the pulling parts are located between the two pulling arms, the device is connected with the two pulling arms through the supporting plate, and meanwhile, the pulling arms are provided with the effect of forming the blocking by the pulling parts.

Furthermore, the tool for disassembling the driving sprocket is characterized in that the supporting plate is of a rectangular plate-shaped structure, the mounting hole is of a long waist hole shape, and the length direction of the mounting hole is parallel to the long side direction of the rectangular plate-shaped structure of the supporting plate in order to ensure the reliability and safety of the device when the driving sprocket is disassembled.

Furthermore, the tool for disassembling the driving sprocket is used for improving the reliability of the device and increasing the structural strength of the device, so that the safety and the reliability of the device during disassembling the driving sprocket are guaranteed, the number of the fixed connecting studs at one end of the dragging arm is at least two, and the supporting plate is provided with mounting holes matched with the number of the studs.

Furthermore, the tool for disassembling the driving sprocket is used for improving the structural strength of the device, so that the reliability of the device in the process of disassembling the driving sprocket is improved, a cushion block is sleeved between the second nut and the supporting plate on the stud, and an concave convex pattern is arranged on the end face of the cushion block, which is in contact with the supporting plate.

Further, the tool for disassembling the driving sprocket is used for improving the reliability of operation of the pulling part when the driving sprocket is disassembled, so that damage to the driving sprocket in the disassembling process is avoided, the pulling part is of a plate-shaped structure, and the plate plane of the pulling part is parallel to the plate plane of the supporting plate.

Furthermore, the tool for disassembling the transmission chain wheel is used for improving the reliability of the screw rod when the transmission chain wheel is disassembled, namely, the screw rod is reliably and safely disassembled by using the device, and one end of the screw rod, which is close to the pulling part, is pointed.

Furthermore, the tool for disassembling the driving sprocket is convenient for disassembling the driving sprocket by the device, the disassembling efficiency of the driving sprocket of the device is further improved, the convenience of operation of operators is improved, and a hexagonal column is arranged at one end of the screw, which is far away from the dragging part.

The utility model has the beneficial effects that:

the tool for disassembling the transmission chain wheel comprises a supporting plate, a pulling arm and a screw rod, wherein a plurality of mounting holes are formed in the supporting plate and penetrate through two ends of the supporting plate, first nuts are fixedly connected to the middle of the supporting plate, the screw rod is rotationally connected with the first nuts, the number of the pulling arms is two, one end of each pulling arm is fixedly connected with a stud, one end, far away from the stud, of each pulling arm is fixedly connected with a pulling part, and the pulling arm and the pulling part are in an L-shaped structure; the stud penetrates through the mounting hole of the support plate, and a second nut is movably connected to one end, far away from the pulling arm, of the support plate; the number of the pulling parts is two, and the pulling parts are located between the two pulling arms, the device is connected with the two pulling arms through the supporting plate, and meanwhile, the pulling arms are provided with the effect of forming the blocking by the pulling parts. The utility model has the advantages of ingenious design, simple structure, convenient manufacture, flexible operation, time and labor saving, and no damage to the chain wheel in the disassembly process, thereby ensuring the smooth maintenance work.

Drawings

FIG. 1 is a schematic view of a tool for removing a drive sprocket according to the present utility model;

FIG. 2 is a schematic view of a tool for removing a drive sprocket according to the present utility model;

FIG. 3 is a front view of a tool for removing a drive sprocket according to the present utility model;

name and number in the figure: 1. a support plate; 2. a mounting hole; 3. a screw; 4. a first nut; 5. a stud; 6. a second nut; 7. a cushion block; 8. pulling the arm; 9. and a pulling part.

Detailed Description

In order to enable those skilled in the art to better understand the technical scheme of the present utility model, the present utility model is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3, the utility model provides a tool for disassembling a driving sprocket, which comprises a supporting plate 1, a pulling arm 8 and a screw 3, wherein the supporting plate 1 is used for supporting various components and parts of the device, the screw 3 is used for propping up taper holes of disassembled sprockets, a plurality of mounting holes 2 penetrate through two ends of the supporting plate 1, a first nut 4 is fixedly connected to the middle position of the supporting plate 1, the screw 3 is rotationally connected with the first nut 4, the number of the pulling arms 8 is two, one end of the pulling arm 8 is fixedly connected with a stud 5, one end of the pulling arm 8 far away from the stud 5 is fixedly connected with a pulling part 9, and the pulling arm 8 and the pulling part 9 are in an L-shaped structure; the stud 5 is movably connected with a second nut 6 along the mounting hole 2 of the supporting plate 1, and one end of the stud 5, which penetrates through the supporting plate 1 and is far away from the pulling arm 8; the number of the pulling parts 9 is two and the pulling parts 9 are located between the two pulling arms 8, the device is connected with the two pulling arms 8 through the supporting plate 1, and meanwhile, the pulling arms 8 are provided with the effect of forming blocking by the pulling parts 9.

When the device is used, the device is clamped with the disassembled driving sprocket, namely the two pulling arms 8 of the device are clamped with the driving sprocket, meanwhile, the screw 3 is propped to the taper hole of the disassembled sprocket near one end of the pulling arm 9, the screw 3 is rotated to further prop the screw 3 to the pulling arm 9, namely, the driving sprocket is disassembled from the driving sprocket shaft in the process of propping the screw 3 to the pulling arm 9, so that the overhauled maintenance equipment can be overhauled and maintained further. The utility model has the advantages of ingenious design, simple structure, convenient manufacture, flexible operation, time and labor saving, and no damage to the chain wheel in the disassembly process, thereby ensuring the smooth maintenance work.

Further, as shown in fig. 1 to 2, in order to improve the applicability of the device and also to ensure the reliability and safety of the device when the driving sprocket is detached, the supporting plate 1 has a rectangular plate-shaped structure, the mounting hole 2 has a shape of a long waist hole, and the length direction of the mounting hole 2 is parallel to the long side direction of the rectangular plate-shaped structure of the supporting plate 1. Namely, the installation holes 2 are in a long waist hole shape, and the distance between the pulling parts 9 can be correspondingly adjusted according to the use environment and conditions, so that the device can be more suitable for the disassembly of sprockets with different specifications and sizes.

Further, as shown in fig. 1 to 2, in order to improve the reliability of the device and increase the structural strength of the device, the tool for disassembling the driving sprocket of the utility model ensures the safety and reliability when the device is used for disassembling the driving sprocket, at least two studs 5 are fixedly connected to one end of a pulling arm 8, and mounting holes 2 matched with the studs 5 in number are formed in a supporting plate 1. That is, as shown in the figure, two mounting holes 2 are respectively arranged at two ends of the supporting plate 1 in the device, that is, the number of the mounting holes 2 which are commonly arranged on the whole supporting plate 1 is four, so that the number of the mounting holes 2 is matched with the number of the studs 5, that is, the number of the fixing connection studs 5 at one end of each pulling arm 8 is two, or the number of the fixing connection studs 5 at one end of each pulling arm 8 can be increased according to the size of a disassembled driving sprocket, that is, the structural strength of the device can be effectively ensured under the condition that the number of the fixing connection studs 5 at one end of each pulling arm 8 is at least two, thereby increasing the reliability of the device when the driving sprocket is disassembled.

Further, in order to improve the structural strength of the device and thus increase the reliability of the device when the driving sprocket is disassembled, as shown in fig. 1 to 3, a spacer block 7 is sleeved between the second nut 6 and the supporting plate 1 on the stud 5, and an embossment is arranged on the end surface of the spacer block 7, which is in contact with the supporting plate 1. The contact friction force between the supporting plate 1 and the cushion block 7 is further improved by arranging concave-convex patterns on the end surface of the cushion block 7, which is contacted with the supporting plate 1, so that the reliability of connection between all parts of the device is improved.

Further, in order to improve the reliability of the operation of the pulling part 9 when the driving sprocket is detached, the tool for detaching the driving sprocket of the present utility model prevents the driving sprocket from being damaged during the detachment process, as shown in fig. 1 to 3, the pulling part 9 has a plate-like structure, and the plate plane of the pulling part 9 is parallel to the plate plane of the supporting plate 1. That is, as shown in fig. 1, the pulling portion 9 connected to the pulling arm 8 has a rectangular shape, so that the contact area between the pulling portion 9 and the sprocket surface can be increased, the pressure between the pulling portion 9 and the sprocket surface can be reduced, and the sprocket can be protected.

Further, in order to improve the reliability of the screw 3 in removing the drive sprocket, as shown in fig. 1 to 3, the tool for removing the drive sprocket of the present utility model is configured such that the end of the screw 3 adjacent to the pulling portion 9 is pointed. That is, in order to improve the propping and dismounting effects of the end of the screw 3, which is close to the pulling part 9, on the driving sprocket, the end of the screw 3, which is close to the pulling part 9, is pointed, so that the screw 3 has a good propping effect on the central shaft of the driving sprocket, and reliable dismounting of the driving sprocket is realized.

Further, in order to facilitate the disassembly operation of the driving sprocket in the device, the disassembly efficiency of the driving sprocket of the device is further improved, thereby improving the convenience of operation of operators, and a hexagonal column is arranged at one end of the screw 3 away from the pulling part 9, as shown in fig. 1 to 2. By providing a hexagonal post at the end of the screw 3 remote from the pulling portion 9, a universal tool such as a hexagonal electric wrench can be used to rotate the screw 3, thereby achieving convenient and rapid removal of the drive sprocket.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely a preferred embodiment of the utility model, and it should be noted that, due to the limited text expressions, there is objectively no limit to the specific structure, and that, for a person skilled in the art, modifications, adaptations or variations may be made without departing from the principles of the present utility model, and the above technical features may be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.

Claims

1. The utility model provides a tool that driving sprocket dismantles usefulness, includes the backup pad, pulls arm and screw rod, it runs through the backup pad both ends to open in the backup pad has a plurality of mounting holes, backup pad middle part position fixedly connected with first nut, the screw rod rotates with first nut to be connected, its characterized in that: the number of the pulling arms is two, one end of each pulling arm is fixedly connected with a stud, one end of each pulling arm, which is far away from the stud, is fixedly connected with a pulling part, and the pulling arms and the pulling parts are in an L-shaped structure; the stud is movably connected with a second nut through one end of the support plate far away from the pulling arm along the mounting hole of the support plate; the number of the pulling parts is two and is positioned between the two pulling arms.

2. The tool for removing a drive sprocket according to claim 1, wherein the support plate has a rectangular plate-like structure, the mounting hole has a long waist hole shape, and a longitudinal direction of the mounting hole is parallel to a longitudinal direction of the rectangular plate-like structure of the support plate.

3. The tool for disassembling a driving sprocket according to claim 1, wherein the number of the fixing studs at one end of the pulling arm is at least two, and the supporting plate is provided with mounting holes matched with the number of the studs.

4. A tool for removing a drive sprocket according to claim 3, wherein a spacer is sleeved between the second nut and the support plate on the stud, and an end surface of the spacer in contact with the support plate is provided with embossments.

5. The tool for removing a drive sprocket according to claim 1, wherein the pulling portion has a plate-like structure, and a plate plane of the pulling portion is parallel to a plate plane of the support plate.

6. The tool for removing a drive sprocket according to any one of claims 1 to 5, wherein an end of the screw adjacent to the pulling portion is pointed.

7. The tool for removing a drive sprocket according to claim 6, wherein the end of the screw remote from the pulling portion is provided with a hexagonal post.