CN213017613U

CN213017613U - Speed reducer convenient to maintain and used for automobile crane

Info

Publication number: CN213017613U
Application number: CN202022033888.2U
Authority: CN
Inventors: 张彭; 董金梅
Original assignee: Xuzhou Boyuan Transmission Machinery Co ltd
Current assignee: Xuzhou Boyuan Transmission Machinery Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-04-20
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a speed reducer for mobile crane convenient to maintenance, including bottom plate, main part, output shaft and heating panel, the bottom plate is installed to the bottom of main part, the one end of main part is provided with dismantles the structure, the output shaft is installed to one side of main part, the internally mounted of main part has the heating panel, and the one end of heating panel installs compound acoustic celotex board, the inside of compound acoustic celotex board is evenly installed and is inhaled the sound hole, the one end of compound acoustic celotex board is installed and is inhaled the sound cotton, the inside one side of main part is provided with seal structure, seal structure is including first sealing washer, fixture block, second sealing washer and draw. The utility model discloses a locking bolt of main part one end evenly mounted twists and moves the locking bolt, removes the second casing, makes second casing and first casing loosen each other and takes off, parts second casing and first casing, alright maintain the inside of main part, easy operation, convenient to detach.

Description

Speed reducer convenient to maintain and used for automobile crane

Technical Field

The utility model relates to a mobile crane technical field specifically is a speed reducer for mobile crane convenient to maintenance.

Background

With the continuous development of the manufacturing technology of the automobile crane machinery, the speed reducer is widely applied to the manufacturing of the automobile crane, the speed reducer is a transmission device used for low rotating speed and large torque, is a precise machine, has various types and different models, and can be divided into gear speed reducers, worm speed reducers, planetary gear speed reducers and the like:

traditional speed reducer for mobile crane, sealed effect is relatively poor during the use, and the seepage takes place easily at the speed reducer to a certain extent, influences the use of speed reducer, reduces the availability factor of speed reducer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a speed reducer for mobile crane convenient to maintenance to propose the relatively poor problem of speed reducer seal effect in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a speed reducer for auto-crane convenient to maintenance, includes bottom plate, main part, output shaft and heating panel, the bottom plate is installed to the bottom of main part, the one end of main part is provided with dismantlement structure, the output shaft is installed to one side of main part, the internally mounted of main part has the heating panel, and the one end of heating panel installs compound acoustic celotex board, the inside of compound acoustic celotex board is evenly installed and is inhaled the sound hole, the one end of compound acoustic celotex board is installed and is inhaled the sound cotton, the inside one side of main part is provided with seal structure, seal structure is including first sealing washer, fixture block, second sealing washer and draw-in groove, top and bottom at the inside one side of main part are all installed to the draw-in groove, the fixture block is all installed to the one end.

Preferably, the dismounting structure comprises a first shell, a second shell, a locking bolt and a limiting block, the first shell is arranged at one end of the main body, the second shell is arranged at the top end of the first shell, the limiting block is evenly arranged at one end of the second shell and one end of the first shell, and the locking bolt is evenly arranged at the top end of the limiting block.

Preferably, the inner wall of the locking bolt is provided with threads, and the locking bolt is respectively designed into a rotating structure with the first shell and the second shell through the meshing of the threads.

Preferably, the clamping block is arranged in a T shape, and the clamping block and the clamping groove form a clamping structure.

Preferably, the two ends of the first sealing ring and the second sealing ring are connected with one end of the fixture block, and the first sealing ring and the second sealing ring are symmetrically distributed about the vertical center of the fixture block.

Preferably, the sound absorption holes are all located in the same horizontal plane, and the sound absorption holes are arranged in the composite sound insulation board at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of speed reducer for mobile crane convenient to maintenance is rational in infrastructure, has following advantage:

(1) the second sealing ring is arranged on one side inside the main body, the second sealing ring is matched with the first sealing ring, a double-blocking effect can be achieved, the anti-leakage effect of the main body is improved, meanwhile, the clamping block is clamped with the clamping groove, a certain limiting effect can be achieved on the second sealing ring and the first sealing ring, and the stability of the second sealing ring and the first sealing ring is improved;

(2) the locking bolt is screwed through the locking bolt uniformly arranged at one end of the main body, the second shell is moved, the second shell and the first shell are loosened from each other, the second shell is separated from the first shell, the interior of the main body can be maintained, the operation is simple, and the disassembly is convenient;

(3) through main part internally mounted's compound acoustic celotex board, utilize compound acoustic celotex board, inhale the sound cotton and inhale the interact in sound hole, can play certain noise reduction effect, make the main part have certain noise cancelling capacity, the heating panel still can play certain radiating effect simultaneously, improves the life of main part.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of a partial cross-sectional structure of the main body of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is a schematic view of the local structure of the sealing structure of the present invention.

In the figure: 1. disassembling the structure; 101. a first housing; 102. a second housing; 103. locking the bolt; 104. a limiting block; 2. a base plate; 3. a main body; 4. an output shaft; 5. a sealing structure; 501. a first seal ring; 502. a clamping block; 503. a second seal ring; 504. a card slot; 6. a heat dissipation plate; 7. a composite acoustic panel; 8. sound-absorbing cotton; 9. the sound absorbing hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a speed reducer for an automobile crane convenient to maintain comprises a bottom plate 2, a main body 3, an output shaft 4 and a heat dissipation plate 6, wherein the bottom end of the main body 3 is provided with the bottom plate 2, one end of the main body 3 is provided with a dismounting structure 1, the dismounting structure 1 comprises a first shell 101, a second shell 102, a locking bolt 103 and a limiting block 104, the first shell 101 is arranged at one end of the main body 3, the top end of the first shell 101 is provided with the second shell 102, the limiting block 104 is uniformly arranged at one end of the second shell 102 and one end of the first shell 101, the top end of the limiting block 104 is uniformly provided with the locking bolt 103, the inner wall of the locking bolt 103 is provided with threads, the locking bolt 103 is respectively designed into a rotating structure with the first shell 101 and the second shell 102 through the meshing of the threads, when the internal damage of the main body 3 needs to be maintained, the locking bolt 103 is screwed, the second shell 102 is moved, the second shell 102 is separated from the first shell 101, so that the interior of the main body 3 can be maintained, the operation is simple, and the practicability is high;

an output shaft 4 is installed on one side of the main body 3, a heat dissipation plate 6 is installed inside the main body 3, a composite sound insulation plate 7 is installed at one end of the heat dissipation plate 6, sound absorption holes 9 are evenly installed inside the composite sound insulation plate 7, the sound absorption holes 9 are all located in the same horizontal plane, the sound absorption holes 9 are arranged in the composite sound insulation plate 7 at equal intervals, and the noise reduction effect is enhanced;

the sound absorption cotton 8 is arranged at one end of the composite sound insulation plate 7, noise generated by the operation of the main body 3 can be reduced to a certain extent by utilizing the interaction of the composite sound insulation plate 7, the sound absorption cotton 8 and the sound absorption hole 9, so that the main body 3 has a certain noise reduction capability, meanwhile, the heat dissipation plate 6 can also have a certain heat dissipation effect, and the service life of the main body 3 is prolonged;

a sealing structure 5 is arranged on one side inside the main body 3, the sealing structure 5 comprises a first sealing ring 501, clamping blocks 502, a second sealing ring 503 and clamping grooves 504, the clamping grooves 504 are all arranged at the top end and the bottom end of one side inside the main body 3, the clamping blocks 502 are all arranged at one end of each clamping groove 504, the second sealing ring 503 is arranged between every two adjacent clamping blocks 502, the first sealing ring 501 is arranged on one side of the second sealing ring 503, the clamping blocks 502 are arranged in a T shape, and the clamping blocks 502 and the clamping grooves 504 form a clamping structure so as to be convenient to fix;

the two ends of the first sealing ring 501 and the second sealing ring 503 are connected with one end of the fixture block 502, the first sealing ring 501 and the second sealing ring 503 are symmetrically distributed about the vertical center of the fixture block 502, the first casing 101 and the second casing 102 are mutually clamped, the locking bolt 103 is screwed down, the main body 3 is made into a closed cavity, the main body 3 is started, the second sealing ring 503 and the first sealing ring 501 are mutually matched, the double blocking effect can be achieved, the anti-leakage effect of the main body 3 is improved, meanwhile, the fixture block 502 and the clamping groove 504 are mutually clamped, a certain limiting effect can be achieved on the second sealing ring 503 and the first sealing ring 501, and the stability of the second sealing ring 503 and the first sealing ring 501 is improved.

The working principle is as follows: when the anti-leakage device is used, firstly, the first shell 101 and the second shell 102 are mutually clamped, the locking bolt 103 is screwed down, the main body 3 is enabled to be a closed cavity, the main body 3 is started, the second sealing ring 503 is mutually matched with the first sealing ring 501, a double-blocking effect can be achieved, the anti-leakage effect of the main body 3 is improved, meanwhile, the clamping block 502 is mutually clamped with the clamping groove 504, a certain limiting effect can be achieved on the second sealing ring 503 and the first sealing ring 501, and the stability of the second sealing ring 503 and the first sealing ring 501 is improved;

then, the noise generated by the operation of the main body 3 can have a certain noise reduction effect by utilizing the interaction of the composite sound insulation plate 7, the sound absorption cotton 8 and the sound absorption hole 9, so that the main body 3 has a certain noise reduction capability, and meanwhile, the heat dissipation plate 6 can also have a certain heat dissipation effect, so that the service life of the main body 3 is prolonged;

finally, when the inside of the main body 3 is damaged and needs to be maintained, the locking bolt 103 is screwed, the second housing 102 is moved, the second housing 102 and the first housing 101 are loosened, the second housing 102 and the first housing 101 are separated, the inside of the main body 3 can be maintained, the operation is simple, and the practicability is high.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a speed reducer for mobile crane convenient to maintenance, includes bottom plate (2), main part (3), output shaft (4) and heating panel (6), its characterized in that: the bottom plate (2) is installed at the bottom end of the main body (3), the dismounting structure (1) is arranged at one end of the main body (3), the output shaft (4) is installed at one side of the main body (3), the heat dissipation plate (6) is installed inside the main body (3), the composite sound insulation plate (7) is installed at one end of the heat dissipation plate (6), the sound absorption holes (9) are evenly installed inside the composite sound insulation plate (7), the sound absorption cotton (8) is installed at one end of the composite sound insulation plate (7), the sealing structure (5) is arranged at one side inside the main body (3), the sealing structure (5) comprises a first sealing ring (501), a clamping block (502), a second sealing ring (503) and a clamping groove (504), the clamping groove (504) is installed at the top end and the bottom end of one side inside the main body (3), and the clamping block (502), and a second sealing ring (503) is arranged between the adjacent clamping blocks (502), and a first sealing ring (501) is arranged on one side of the second sealing ring (503).

2. The reducer convenient for maintenance of an automobile crane according to claim 1, characterized in that: dismantle structure (1) including first casing (101), second casing (102), locking bolt (103) and stopper (104), the one end in main part (3) is installed in first casing (101), second casing (102) are installed on the top of first casing (101), and stopper (104) are evenly installed with the one end of first casing (101) in second casing (102), locking bolt (103) are evenly installed on the top of stopper (104).

3. The reducer convenient to maintain for the automobile crane according to claim 2, characterized in that: the inner wall of the locking bolt (103) is provided with threads, and the locking bolt (103) is respectively in a rotating structure with the first shell (101) and the second shell (102) through the meshing of the threads.

4. The reducer convenient for maintenance of an automobile crane according to claim 1, characterized in that: the fixture block (502) is arranged in a T shape, and the fixture block (502) and the clamping groove (504) form a clamping structure.

5. The reducer convenient for maintenance of an automobile crane according to claim 1, characterized in that: two ends of the first sealing ring (501) and the second sealing ring (503) are connected with one end of the fixture block (502), and the first sealing ring (501) and the second sealing ring (503) are symmetrically distributed around the vertical center of the fixture block (502).

6. The reducer convenient for maintenance of an automobile crane according to claim 1, characterized in that: the sound absorbing holes (9) are all located in the same horizontal plane, and the sound absorbing holes (9) are arranged in the composite sound insulation board (7) at equal intervals.