CN218294380U - Speed reducer for heavy-duty mechanical crane - Google Patents

Abstract

The utility model discloses a speed reducer for heavy industry machinery crane relates to speed reducer technical field, including first casing subassembly, the equal fixed mounting in both sides has stretching device around the first casing subassembly, the fixed position that first casing subassembly is close to the four corners installs fixing device, the top swing joint of first casing subassembly has second casing subassembly, stretching device is including tensile cylinder, tensile cylinder's inside sliding connection has the tensile post. The utility model discloses a set up tensile cylinder on the device, can be with automatic separately between first casing and the second casing, do not demolish in the needs manual work, reduced staff's intensity, in addition, still install on first casing can radiating fan, the better dispels the heat to inside for inside machine part life is longer, still is provided with the filter on the outer wall of first casing, reduces the entering of dust, keeps the clean and tidy of internal environment.

Description

Speed reducer for heavy-duty mechanical crane

Technical Field

The utility model relates to a speed reducer technical field, concretely relates to speed reducer for heavy industry machinery hoist.

Background

1. The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The speed reducer has the functions of reducing the speed and simultaneously improving the output torque, multiplying the torque output ratio by the motor output ratio by the reduction ratio, but paying attention to the fact that the rated torque of the speed reducer cannot be exceeded, reducing the speed and simultaneously reducing the load inertia, and reducing the inertia to be the square of the reduction ratio.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a speed reducer for heavy industry machinery crane to provide a current speed reducer for heavy industry machinery crane in solving above-mentioned background art, because traditional speed reducer is when maintaining, need demolish the device's casing, its process of demolising is complicated, the waste time is long, in addition, traditional speed reducer is when operating, can produce a large amount of heats, can form a thermal current in the inside of casing, the time can influence the life's that the speed reduction reduces problem for a long time.

In order to achieve the above object, the utility model provides a following technical scheme: the speed reducer comprises a first machine shell assembly, wherein stretching devices are fixedly mounted on the front side and the rear side of the first machine shell assembly, fixing devices are fixedly mounted on positions, close to four corners, of the first machine shell assembly, and a second machine shell assembly is movably connected to the upper portion of the first machine shell assembly.

The stretching device comprises a stretching cylinder, and a stretching column is connected inside the stretching cylinder in a sliding mode.

The first chassis component comprises an air outlet, and a cooling fan is fixedly mounted on the right side of the air outlet.

The utility model discloses technical scheme's further improvement lies in: the first machine shell assembly comprises a first machine shell, and a motor main body is fixedly connected to the top of the first machine shell.

The utility model discloses technical scheme's further improvement lies in: the motor is characterized in that a speed reducer body is rotatably connected to a rotating shaft of the motor body, and a rotating shaft is rotatably connected to the axis of the speed reducer body.

The utility model discloses technical scheme's further improvement lies in: the filter plate is arranged on the outer wall of the left side of the first machine shell assembly, and four corners of the filter plate are fixedly connected with fixing ropes and fixedly connected to the outer wall of the left side of the first machine shell.

The utility model discloses technical scheme's further improvement lies in: the fixing device comprises a first fixing plate, a second fixing plate is fixedly mounted below the first fixing plate, and screws are movably mounted at positions, close to four corners, of the first fixing plate.

The utility model discloses technical scheme's further improvement lies in: the bottom fixedly connected with backup pad of second fixed plate, and rear side fixed connection is in the front of first casing, a bolt is inserted perpendicularly in the middle part of backup pad, the top threaded connection who just is located the backup pad on the bolt has first nut, the top threaded connection of first nut has the mounting plate, the top threaded connection of mounting plate has the second nut.

The utility model discloses technical scheme's further improvement lies in: the second casing subassembly includes the second casing, the left side fixedly connected with handle of second casing.

The utility model discloses technical scheme's further improvement lies in: the top fixedly connected with fixed block of stretching post, and fixed block fixed connection is on the front and back both sides outer wall of second casing.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up a stretch cylinder on the device, can part automatically between first casing and the second casing, not demolish in needs manual work, reduced staff's intensity, accord with the technical requirement of speed reducer when the maintenance, it has only installed stretch cylinder and just can realize this function, simple structure, the practical function ideal.

2. The utility model discloses a set up a plurality of holes on first casing, can enough carry out ventilation cooling to the device, also can make things convenient for the staff to observe the part of inside, make things convenient for the follow-up corresponding maintenance of taking off the lid, raise the efficiency. In addition, still install the fan that can dispel the heat on first casing, better dispel the heat to inside for inside machine part life is longer, in addition, still is provided with the filter on the outer wall of first casing, can keep apart outside the pollutant of outside, reduces the entering of dust, keeps the clean and tidy of internal environment.

Drawings

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

fig. 2 is a schematic structural view of the inner chamber of fig. 1 according to the present invention;

fig. 3 is a schematic structural view of the left side of the first housing according to the present invention;

fig. 4 is an enlarged view of a diagram a of fig. 1 according to the present invention.

In the figure: 1. a first chassis component; 2. a stretching device; 3. a fixing device; 4. a second housing assembly; 11. a first housing; 12. a motor main body; 13. a speed reducer main body; 14. a rotating shaft; 21. stretching the cylinder; 22. stretching the column; 23. a fixed block; a1, air outlet holes; a2, a heat radiation fan; a3, a filter plate; a4, fixing a rope; 31. a first fixing plate; 32. a second fixing plate; 33. a support plate; b1, a screw; b2, a first nut; b3, fastening pieces; b4, a second nut; b5, bolts; 41. a handle; 42. a second housing.

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 a technical solution: the utility model provides a speed reducer for heavy industry machinery crane, includes first casing subassembly 1, and the equal fixed mounting in both sides has stretching device 2 around the first casing subassembly 1, and the fixed mounting in position that first casing subassembly 1 is close to the four corners has fixing device 3, and the top swing joint of first casing subassembly 1 has second casing subassembly 4.

In this embodiment, the first housing assembly 1 includes a first housing 11, a motor body 12 is fixedly connected to a top portion of the first housing 11, a speed reducer body 13 is rotatably connected to a rotating shaft of the motor body 12, and a rotating shaft 14 is rotatably connected to an axial center of the speed reducer body 13.

Preferably, stretching device 2 includes stretching cylinder 21, has set up a stretching cylinder 21, can be with automatic separately between first casing 11 and the second casing 42, does not demolish at needs manual work, has reduced staff's intensity, accords with the technical requirement of speed reducer when the maintenance, and it has only installed stretching cylinder 21 and just can realize this function, simple structure, and the practical function ideal, stretching cylinder 21's inside sliding connection has stretching post 22.

Further optionally, fixing device 3 includes first fixed plate 31, the below fixed mounting of first fixed plate 31 has second fixed plate 32, the position movable mounting that first fixed plate 31 is close to the four corners has screw b1, the bottom fixedly connected with backup pad 33 of second fixed plate 32, and rear side fixed connection is in the front of first casing 11, a bolt b5 is inserted perpendicularly at the middle part of backup pad 33, the top threaded connection who just is located backup pad 33 on bolt b5 has first nut b2, the top threaded connection of first nut b2 has fastening piece b3, the top threaded connection of fastening piece b3 has second nut b4, fixing device 3 through setting up is in order to fix the device at the machine, the steadiness is good, be difficult not hard up, and easy dismounting, only need to twist the nut and can become flexible.

Then, first casing subassembly 1 includes venthole a1, venthole a 1's right side fixed mounting has radiator fan a2, be provided with filter a3 on the left side outer wall of first casing subassembly 1, the fixed rope a4 of four corners fixedly connected with of filter a3, and fixed connection is on the left side outer wall of first casing 11, 11 have seted up a plurality of holes on first casing, can enough carry out ventilation cooling to the device, also can make things convenient for the staff to observe inside part, make things convenient for the follow-up corresponding maintenance of taking off the lid, and efficiency is improved. In addition, still install the a2 fan that can dispel the heat on first quick-witted shell 11, the better dispels the heat to inside for inside machine part life is longer, in addition, still is provided with filter a3 on the outer wall of first quick-witted shell 11, can keep outside the pollutant of outside, reduces the entering of dust, keeps the clean and tidy of internal environment.

Then, the second housing assembly 4 includes a second housing 42, a handle 41 is fixedly connected to the left side of the second housing 42, a fixing block 23 is fixedly connected to the top of the stretching post 22, and the fixing block 23 is fixedly connected to the outer walls of the front and rear sides of the second housing 42.

The utility model discloses a theory of operation and use flow: firstly, when the speed reducer is used, heat can be generated inside, the heat is dissipated inside through the cooling fan a2 and the air outlet hole a1, the filter plate a3 can block external dust, the speed reducer used for a period of time needs to be dismantled and maintained, the stretching cylinder 21 is started, the stretching column 22 can be stretched, and the second machine shell 42 is far away from the first machine shell 11. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a speed reducer for heavy industry machinery hoist, includes first chassis subassembly (1), its characterized in that: stretching devices (2) are fixedly mounted on the front side and the rear side of the first machine shell assembly (1), fixing devices (3) are fixedly mounted at positions, close to four corners, of the first machine shell assembly (1), and a second machine shell assembly (4) is movably connected above the first machine shell assembly (1);

the stretching device (2) comprises a stretching cylinder (21), and a stretching column (22) is connected inside the stretching cylinder (21) in a sliding manner;

the first chassis component (1) comprises an air outlet (a 1), and a heat dissipation fan (a 2) is fixedly mounted on the right side of the air outlet (a 1).

2. The speed reducer for heavy work machinery crane according to claim 1, characterized in that: the first machine shell assembly (1) comprises a first machine shell (11), and a motor main body (12) is fixedly connected to the top of the first machine shell (11).

3. The speed reducer for heavy machinery crane according to claim 2, characterized in that: the motor is characterized in that a speed reducer body (13) is rotatably connected to a rotating shaft of the motor body (12), and a rotating shaft (14) is rotatably connected to the axis of the speed reducer body (13).

4. The speed reducer for heavy work machinery crane according to claim 1, characterized in that: the filter plate (a 3) is arranged on the outer wall of the left side of the first machine shell assembly (1), and the four corners of the filter plate (a 3) are fixedly connected with fixing ropes (a 4) and fixedly connected to the outer wall of the left side of the first machine shell (11).

5. The speed reducer for heavy work machinery crane according to claim 1, characterized in that: fixing device (3) include first fixed plate (31), the below fixed mounting of first fixed plate (31) has second fixed plate (32), first fixed plate (31) are close to the position movable mounting in four corners and are had screw (b 1).

6. The speed reducer for heavy machinery crane according to claim 5, characterized in that: the bottom fixedly connected with backup pad (33) of second fixed plate (32), and rear side fixed connection is in the front of first quick-witted shell (11), a bolt (b 5) is inserted perpendicularly in the middle part of backup pad (33), the top threaded connection who just is located backup pad (33) on bolt (b 5) has first nut (b 2), the top threaded connection of first nut (b 2) has mounting plate (b 3), the top threaded connection of mounting plate (b 3) has second nut (b 4).

7. The speed reducer for heavy work machinery crane according to claim 1, characterized in that: the second shell assembly (4) comprises a second shell (42), and a handle (41) is fixedly connected to the left side of the second shell (42).

8. The speed reducer for heavy machinery crane according to claim 1, characterized in that: the top of the stretching column (22) is fixedly connected with a fixing block (23), and the fixing block (23) is fixedly connected to the outer walls of the front side and the rear side of the second machine shell (42).

Images