CN216399513U

CN216399513U - Axle sleeve demolishs frock

Info

Publication number: CN216399513U
Application number: CN202122541332.9U
Authority: CN
Inventors: 向鑫鑫; 刘洋; 王红凯; 熊敏杨; 陈极; 王思富; 罗禄堂
Original assignee: Dongfeng Power Plant Of Guizhou Wujiang Hydropower Development Co ltd; Guizhou Wujiang Hydropower Development Co Ltd
Current assignee: Dongfeng Power Plant Of Guizhou Wujiang Hydropower Development Co ltd; Guizhou Wujiang Hydropower Development Co Ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-29
Anticipated expiration: 2031-10-21

Abstract

The utility model relates to the technical field of shaft sleeve removing equipment, in particular to a shaft sleeve removing tool which comprises a pressure rod assembly, a hammering assembly and a shaft sleeve positioning assembly, wherein the pressure rod assembly comprises an upper base plate, a motor base, a driving motor, a driving shaft, two groups of driving shaft supports, a periodic pressure rod piece and a hydraulic lifting column, the hammering assembly comprises two groups of rotating shaft supports, rotating shafts, rotating rods and striking hammers, and the shaft sleeve positioning assembly comprises a lower base, two groups of first electric push rods, two groups of moving bases, two groups of threaded rods and two groups of pressing blocks. According to the utility model, through reasonable structural design, the shaft sleeve is limited and fixed, the shaft can be periodically knocked under the condition of maintaining undetermined state, the separation of the shaft and the shaft sleeve is realized through a knocking method, manual operation is replaced by mechanical operation, the working efficiency can be improved, the potential safety hazard is reduced, the labor cost is reduced, and meanwhile, the damage rate of the shaft and the shaft sleeve in the dismantling process can be reduced.

Description

Axle sleeve demolishs frock

Technical Field

The utility model relates to the technical field of shaft sleeve dismantling equipment, in particular to a shaft sleeve dismantling tool.

Background

The axle sleeve generally cup joints the outer wall at the axle in-service use, uses with the axle cooperation, when axle sleeve and axle cooperation use, generally adopts clearance fit, but in the use of reality, because the influence of external environment such as corrosion can lead to clearance fit's axle sleeve and axle to take place the dead phenomenon of card, when the operation of demolising of axle sleeve is carried out to needs, the condition that the axle sleeve is difficult to dismantle with the axle separation can appear.

The existing shaft sleeve dismounting method comprises a knocking method, namely the shaft sleeve and a shaft are separated through knocking, but the existing knocking method is not provided with an applicable tool, so that the shaft or the shaft sleeve is easy to damage in the dismounting process, and the shaft sleeve is inconvenient to position and has safety risk in the knocking process.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.

The utility model is provided in view of the above and/or the problems existing in the existing shaft sleeve dismantling tool.

Therefore, the problem to be solved by the utility model is how to provide a shaft sleeve dismounting tool.

In order to solve the technical problems, the utility model provides the following technical scheme: a shaft sleeve dismantling tool comprises a tool body,

the pressure bar assembly comprises an upper substrate, a motor base, a driving motor, a driving shaft, two groups of driving shaft supports, a periodic pressure bar piece and a hydraulic lifting column, wherein the motor base is arranged at the top of the upper substrate;

the hammering assembly comprises two groups of rotating shaft supports, a rotating shaft, a rotating rod and a striking hammer, wherein the two groups of rotating shaft supports are symmetrically arranged at the top of the upper base plate, the rotating shaft is fixedly arranged between the two groups of rotating shaft supports, the rotating rod is movably sleeved on the outer wall of the rotating shaft, and the striking hammer is arranged at the bottom of one end, away from the compression rod assembly, of the rotating rod;

the shaft sleeve positioning assembly comprises a lower base, two groups of first electric push rods, two groups of moving bases, two groups of threaded rods and two groups of pressing blocks, wherein the two groups of first electric push rods are arranged on the side wall of an inner cavity of the lower base;

a removal assembly includes a shaft and a sleeve.

As a preferred scheme of the shaft sleeve dismantling tool provided by the utility model, the tool comprises: the periodic pressing rod piece comprises a rotary disc and three groups of protruding blocks, the rotary disc is fixedly sleeved on the outer wall of the driving shaft, and the protruding blocks are uniformly arranged on the side wall of the rotary disc at equal angles.

Based on above-mentioned technical characteristics, through the rotation of carousel, make the protrusion piece push down the tip of bull stick in proper order to separate with the bull stick when the protrusion piece is rotatory near the bottom, realize hammering subassembly periodic counter shaft and strike the operation.

As a preferred scheme of the shaft sleeve dismantling tool provided by the utility model, the tool comprises: the beating hammer comprises a hammer body, a threaded shaft and a limiting nut, wherein the hammer body is connected with the rotating rod through the threaded shaft, and the limiting nut is sleeved on the outer wall of the threaded shaft to compress and limit the hammer body.

Based on the technical characteristics, the hammer body is fixed through the threaded shaft and the limiting nut, and the hammer is convenient to mount and dismount.

As a preferred scheme of the shaft sleeve dismantling tool provided by the utility model, the tool comprises: the bottom of the hammer body is optionally provided with an auxiliary striking plate.

Based on the technical characteristics, the auxiliary striking plate can increase the weight of the whole hammering assembly and improve downward striking force.

As a preferred scheme of the shaft sleeve dismantling tool provided by the utility model, the tool comprises: the threaded rod is provided with the cylinder piece with the link of briquetting, and the cylinder piece stretches into briquetting and briquetting swing joint.

Based on above-mentioned technical characteristics, through the rotation of threaded rod, the threaded rod can remove on the lateral wall of base down to drive the translation of briquetting, realize the axle sleeve location to different diameters.

As a preferred scheme of the shaft sleeve dismantling tool provided by the utility model, the tool comprises: the striking hammer is in a vertical state when the bottom of the striking hammer is flush with the upper surface of the upper substrate.

Based on the technical characteristics, the energy of the striking hammer in the falling process is fully utilized as far as possible, and the striking hammer is just in contact with the whole top surface of the shaft at the moment to achieve the maximum contact surface, so that the effect of reducing the pressure of the contact surface and the abrasion of the contact part is achieved.

As a preferred scheme of the shaft sleeve dismantling tool provided by the utility model, the tool comprises: and a shaft penetrating groove is formed in the bottom of the lower base.

Based on above-mentioned technical characteristics, when knocking the axle, the removal that the axle can take place the whereabouts, wear the setting of axle groove and can make the axle pass lower base to the height that reduces fixed dimension's lower base is to dismantling the restriction of axle length.

As a preferred scheme of the shaft sleeve dismantling tool provided by the utility model, the tool comprises: the depression bar subassembly can also include upper substrate, hydraulic pressure lift post, go up framework, second electric putter, third electric putter, fixed block and carriage release lever, it sets up the top at the upper substrate to go up the framework, second electric putter sets up the inner chamber top at last framework, the fixed block sets up the bottom at second electric putter, third electric putter sets up the top at the fixed block, the carriage release lever meets with third electric putter's flexible end, and the carriage release lever runs through the fixed block.

Based on the technical characteristics, in the process that the second electric push rod moves downwards, the third electric push rod is located in the shortened state, so that the movable rod presses the rotating rod downwards, when the second electric push rod moves downwards to the lowest position, the third electric push rod extends to drive the movable rod to move, the movable rod is separated from the rotating rod, the beating hammer performs beating operation, then the second electric push rod shortens to move upwards to the highest position at the top when the third electric push rod keeps in the extended state, the third electric push rod shortens again, and the periodic cycle is realized.

The utility model has the beneficial effects that:

when the shaft and the shaft sleeve are knocked to detach and separate, the driving shaft is driven to rotate through the driving motor, so that the rotary table rotates, the protruding block does not contact with the rotary rod in the rotating and downward moving process, and drives one end of the rotary rod to move downwards and separate from the rotary rod;

before knocking operation, the shaft sleeve can be positioned and limited to move, so that the stability in the knocking process is ensured, the potential safety hazard is reduced, the positioning of shafts and shaft sleeves with different diameters can be realized, and the application range is widened;

when the shaft and the shaft sleeve are periodically knocked to detach and separate, the third electric push rod is in a shortened state in the process that the second electric push rod moves downwards, so that the movable rod presses the rotating rod, the third electric push rod extends to drive the movable rod to move when the second electric push rod moves downwards to the lowest position, the movable rod is separated from the rotating rod, the knocking hammer performs knocking operation, then the second electric push rod shortens to move upwards to the highest position at the top when the third electric push rod keeps in the extended state, and the third electric push rod shortens again to realize periodic cycle operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;

FIG. 2 is a schematic structural view of a compression bar assembly and a hammer assembly according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a bushing locating assembly and a removal assembly of the present invention;

FIG. 4 is a cross-sectional view of FIG. 3 of the present invention;

FIG. 5 is a schematic structural view of a hammer assembly of the present invention;

FIG. 6 is a front view of the hammer assembly of the present invention in a hammer condition;

FIG. 7 is a schematic front view of a pressure bar assembly and hammer assembly in accordance with a second embodiment of the present invention;

fig. 8 is a schematic structural view of a rear view of the pressure rod assembly and hammer assembly according to a second embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a compression bar assembly; 101. an upper substrate; 102. a motor base; 103. a drive motor; 104. a drive shaft; 105. a drive shaft support; 106. periodically pressing the rod piece; 106a, a turntable; 106b, a protruding block; 107. a hydraulic lifting column; 108. a second electric push rod; 109. a third electric push rod; 110. a fixed block; 111. a travel bar; 112. an upper frame body;

200. a hammer assembly; 201. a rotating shaft bracket; 202. a rotating shaft; 203. a rotating rod; 204. striking a hammer; 204a, a hammer body; 204b, a threaded shaft; 204c, a limit nut; 204d, auxiliary striking plate;

300. a shaft sleeve positioning assembly; 301. a lower base 301a, a shaft groove; 302. a first electric push rod; 303. a movable base; 303a, an upper groove; 304. a threaded rod; 305. briquetting;

400. disassembling the assembly; 401. a shaft; 402. and a shaft sleeve.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

The first embodiment is as follows:

referring to the attached drawings of the specification and shown in fig. 1-6, the shaft sleeve dismounting tool comprises a pressure lever assembly 100, wherein the pressure lever assembly 100 comprises an upper base plate 101, a motor base 102, a driving motor 103, a driving shaft 104, two groups of driving shaft brackets 105, a periodic pressure lever member 106 and a hydraulic lifting column 107, the motor base 102 is arranged at the top of the upper base plate 101, the driving motor 103 is arranged at the top of the motor base 102, the driving shaft 104 is connected with the power output end of the driving motor 103, the driving shaft 104 is connected with the two groups of driving shaft brackets 105 arranged at the top of the upper base 101 in a switching mode, the periodic pressure lever member 106 is sleeved on the outer wall of the driving shaft 104, and the hydraulic lifting column 107 is arranged at the bottom of the upper base plate 101; the hammering assembly 200 comprises two groups of rotating shaft supports 201, a rotating shaft 202, a rotating rod 203 and a striking hammer 204, wherein the two groups of rotating shaft supports 201 are symmetrically arranged at the top of the upper substrate 101, the rotating shaft 202 is fixedly arranged between the two groups of rotating shaft supports 201, the rotating rod 203 is movably sleeved on the outer wall of the rotating shaft 202, and the striking hammer 204 is arranged at the bottom of one end, away from the pressing rod assembly 100, of the rotating rod 203; the shaft sleeve positioning assembly 300 comprises a lower base 301, two groups of first electric push rods 302, two groups of moving bases 303, two groups of threaded rods 304 and two groups of pressing blocks 305, wherein the two groups of first electric push rods 302 are arranged on the side wall of an inner cavity of the lower base 301, the two groups of moving bases 303 are respectively arranged at telescopic ends of the two groups of first electric push rods 302, an upper groove 303a is formed in the top of the moving base 303, the two groups of threaded rods 304 are in threaded connection with the side wall of the moving base 303 and extend into the upper groove 303a, and the two groups of pressing blocks 305 are arranged at the end part of the threaded rods 304 extending into the upper groove 303 a; the detachment assembly 400 includes a shaft 401 and a hub 402.

Referring to the attached drawings of the specification and fig. 2, the periodic pressing rod piece 106 comprises a rotary disc 106a and three sets of protruding blocks 106b, the rotary disc 106a is fixedly sleeved on the outer wall of the driving shaft 104, the three sets of protruding blocks 106b are uniformly arranged on the side wall of the rotary disc 106a at equal angles, the protruding blocks 106b are enabled to sequentially press down the end portions of the rotary rods 203 through rotation of the rotary disc 106a and are separated from the rotary rods 203 when the protruding blocks 106b rotate to the position near the bottom, and periodic knocking operation of the hammering assembly 200 on the shaft 401 is achieved.

Referring to the attached drawings of the specification and fig. 5, the striking hammer 204 includes a hammer body 204a, a threaded shaft 204b and a limit nut 204c, the hammer body 204a is connected with the rotating rod 203 through the threaded shaft 204b, the limit nut 204c is sleeved on the outer wall of the threaded shaft 204b to press and limit the hammer body 204a, and the hammer body 204a is fixed through the threaded shaft 204b and the limit nut 204c, so that the installation and the disassembly are convenient.

Referring to the description and to fig. 5, the bottom of hammer block 204a may optionally be provided with an auxiliary striking plate 204d, which may increase the weight of the entire hammer assembly 200 to increase the downward striking force.

Referring to the attached drawings of the specification and fig. 4, a cylindrical block is arranged at the connecting end of the threaded rod 304 and the pressing block 305, the cylindrical block extends into the pressing block 305 and is movably connected with the pressing block 305, and the threaded rod 304 can move on the side wall of the lower base 301 through rotation of the threaded rod 304, so that the pressing block 305 is driven to translate, and the positioning of shaft sleeves 402 with different diameters is realized.

Referring to the description and the attached drawings, as shown in fig. 6, the striking hammer 204 is in a vertical state when the bottom of the striking hammer is flush with the upper surface of the upper substrate 101, the energy of the striking hammer 204 in the falling process is fully utilized as far as possible, and the striking hammer 204 just contacts with the whole top surface of the shaft 401, so that the maximum contact surface is achieved, and the effect of reducing the pressure of the contact surface and the abrasion of the contact part is achieved.

Referring to the specification and the attached fig. 3, a shaft passing groove 301a is formed at the bottom of the lower base 301, when the shaft 401 is knocked, the shaft 401 can fall and move, and the shaft passing groove 301a can enable the shaft 401 to pass through the lower base 301, so that the length of the detachable shaft 401 is limited when the height of the lower base 301 with a fixed size is reduced.

The working principle is as follows: when the detaching assembly 400 composed of the shaft 401 and the shaft sleeve 402 is separated, the object detaching assembly 400 is moved between the two sets of moving bases 303, then the two sets of first electric push rods 302 are extended, the moving bases 303 are made to be close to the shaft 401 until the side walls of the moving bases 303 are infinitely close to the shaft 401, at the moment, the bottoms of the shaft sleeves 402 are placed at the bottom of the upper groove 303a, then the threaded rod 304 is rotated, the threaded rod 304 can move on the side wall of the lower base 301, and therefore the pressing block 305 is driven to translate, the two sets of pressing blocks 305 clamp the shaft sleeve 402, the shaft 401 and the shaft sleeve 402 with different diameters can be positioned, and the application range is improved.

Then, the height of the hydraulic lifting column 107 is adjusted to make the upper surface of the upper base plate 101 flush with the top of the shaft 401, so that when the shaft 401 with different lengths at the top of the shaft sleeve 402 is knocked, the hitting state of the hammer 204 is always kept consistent.

When knocking separation operation is carried out, the driving motor 103 is started, the driving motor 103 drives the driving shaft 104 to rotate, so that the rotary disc 106a rotates, in the process that the protruding block 106b rotates and moves downwards, the protruding block 106b is in contact with the rotary rod 203 and does not contact with the rotary rod 203, and the one end of the rotary rod 203 is driven to move downwards and is separated from the rotary rod 203, in the process, the knocking hammer 204 rotates and moves upwards to urgently need gravitational potential energy, knocking operation is realized by releasing the gravitational potential energy to the shaft 401, and automatic periodic knocking is realized due to the distribution of the protruding block 106b and the operation of the driving motor 103, so that the operation efficiency is improved, and the potential safety hazard is reduced by replacing manpower with machinery.

Example two:

referring to fig. 7 and 8 of the specification, unlike the strut assembly 100 of the first embodiment, the strut assembly 100 of the first embodiment includes an upper base plate 101, a hydraulic lifting column 107, an upper frame 112, a second electric push rod 108, a third electric push rod 109, a fixed block 110, and a moving rod 111, wherein the upper frame 112 is disposed on the top of the upper base plate 101, the second electric push rod 108 is disposed on the top of an inner cavity of the upper frame 112, the fixed block 110 is disposed on the bottom of the second electric push rod 108, the third electric push rod 109 is disposed on the top of the fixed block 110, the moving rod 111 is connected to a telescopic end of the third electric push rod 109, and the moving rod 111 penetrates through the fixed block 110.

The working principle is as follows: in order to achieve the same purpose of the periodic movement of the rotating rod 203 and the operation of the striking hammer 204 in the first embodiment, in the process of the downward movement of the second electric push rod 108, the third electric push rod 109 is in a shortened state, so that the moving rod 111 presses the rotating rod 203, when the second electric push rod 108 moves downward to the lowest position, the third electric push rod 109 extends to drive the moving rod 111 to move, so that the moving rod 111 is separated from the rotating rod 203, the striking hammer 204 performs the striking operation, then the second electric push rod 108 shortens to move upward to the highest position at the top while the third electric push rod 109 maintains the extended state, and the third electric push rod 109 shortens again to realize the above-mentioned periodic cycle.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. The utility model provides a frock is demolishd to axle sleeve which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the pressing rod assembly (100) comprises an upper substrate (101), a motor base (102), a driving motor (103), a driving shaft (104), two groups of driving shaft brackets (105), a periodic pressing rod piece (106) and a hydraulic lifting column (107), wherein the motor base (102) is arranged at the top of the upper substrate (101), the driving motor (103) is arranged at the top of the motor base (102), the driving shaft (104) is connected with a power output end of the driving motor (103), the driving shaft (104) is connected with the two groups of driving shaft brackets (105) arranged at the top of the upper substrate (101) in a switching and penetrating manner, the periodic pressing rod piece (106) is sleeved on the outer wall of the driving shaft (104), and the hydraulic lifting column (107) is arranged at the bottom of the upper substrate (101);

the hammering assembly (200) comprises two groups of rotating shaft supports (201), rotating shafts (202), rotating rods (203) and hammering hammers (204), the two groups of rotating shaft supports (201) are symmetrically arranged at the top of the upper substrate (101), the rotating shafts (202) are fixedly arranged between the two groups of rotating shaft supports (201), the rotating rods (203) are movably sleeved on the outer walls of the rotating shafts (202), and the hammering hammers (204) are arranged at the bottoms of the ends, far away from the pressing rod assembly (100), of the rotating rods (203);

the shaft sleeve positioning assembly (300) comprises a lower base (301), two groups of first electric push rods (302), two groups of moving bases (303), two groups of threaded rods (304) and two groups of pressing blocks (305), wherein the two groups of first electric push rods (302) are arranged on the side wall of an inner cavity of the lower base (301), the two groups of moving bases (303) are respectively arranged at telescopic ends of the two groups of first electric push rods (302), an upper groove (303a) is formed in the top of the moving base (303), the two groups of threaded rods (304) are in threaded connection with the side wall of the moving base (303) and extend into the upper groove (303a), and the two groups of pressing blocks (305) are arranged at the end part of the threaded rods (304) extending into the upper groove (303 a);

a detachment assembly (400) includes a shaft (401) and a shaft sleeve (402).

2. The shaft sleeve dismantling tool according to claim 1, characterized in that: the periodic compression bar piece (106) comprises a rotary disc (106a) and three groups of protruding blocks (106b), the rotary disc (106a) is fixedly sleeved on the outer wall of the driving shaft (104), and the three groups of protruding blocks (106b) are uniformly arranged on the side wall of the rotary disc (106a) at equal angles.

3. The shaft sleeve dismantling tool according to claim 1, characterized in that: the striking hammer (204) comprises a hammer body (204a), a threaded shaft (204b) and a limiting nut (204c), the hammer body (204a) is connected with the rotating rod (203) through the threaded shaft (204b), and the limiting nut (204c) is sleeved on the outer wall of the threaded shaft (204b) to press and limit the hammer body (204 a).

4. The shaft sleeve dismantling tool according to claim 3, wherein: the bottom of the hammer body (204a) is optionally provided with an auxiliary striking plate (204 d).

5. The shaft sleeve dismantling tool according to claim 1, characterized in that: the threaded rod (304) is provided with the cylinder piece with the link of briquetting (305), and the cylinder piece stretches into briquetting (305) and briquetting (305) swing joint.

6. The shaft sleeve dismantling tool according to claim 1, characterized in that: the striking hammer (204) is in a vertical state when the bottom of the striking hammer is flush with the upper surface of the upper substrate (101).

7. The shaft sleeve dismantling tool according to claim 1, characterized in that: the bottom of the lower base (301) is provided with a shaft penetrating groove (301 a).

8. The shaft sleeve dismantling tool according to claim 1, characterized in that: the pressure bar assembly (100) can also comprise an upper base plate (101), a hydraulic lifting column (107), an upper frame body (112), a second electric push rod (108), a third electric push rod (109), a fixed block (110) and a moving rod (111), wherein the upper frame body (112) is arranged at the top of the upper base plate (101), the second electric push rod (108) is arranged at the top of an inner cavity of the upper frame body (112), the fixed block (110) is arranged at the bottom of the second electric push rod (108), the third electric push rod (109) is arranged at the top of the fixed block (110), the moving rod (111) is connected with the telescopic end of the third electric push rod (109), and the moving rod (111) penetrates through the fixed block (110).