CN214661880U - Gear box for engineering machinery convenient to maintenance - Google Patents
Gear box for engineering machinery convenient to maintenance Download PDFInfo
- Publication number
- CN214661880U CN214661880U CN202120721443.5U CN202120721443U CN214661880U CN 214661880 U CN214661880 U CN 214661880U CN 202120721443 U CN202120721443 U CN 202120721443U CN 214661880 U CN214661880 U CN 214661880U
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- China
- Prior art keywords
- box body
- gear
- mode
- lower box
- fixing plate
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- Expired - Fee Related
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- 238000012423 maintenance Methods 0.000 title claims abstract description 13
- 238000003466 welding Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 51
- 238000010276 construction Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 abstract description 11
- 230000009467 reduction Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a gear box for engineering machine tool convenient to maintenance, include: the base is placed on the ground, the lower surface of the base is fixedly connected with a cushion pad in a sticking mode, and mounting holes are formed in the inner parts of the outer ends of the base and the cushion pad; the lower box body is fixedly connected to the upper surface of the base in a welding mode, the upper surface of the lower box body is provided with the upper box body in a fitting mode, and the inner side of the upper end of the upper box body is connected with a connecting cover in a threaded mode; the input shaft is positioned on the inner side of the rear end of the lower box body, an output shaft is arranged on the inner side of the front end of the lower box body, and the input shaft and the output shaft are symmetrically arranged. This gear box for engineering machine tool convenient to maintenance is convenient for cushion this gear box, can be to last adding lubricating oil of reduction gear, reduces the wearing and tearing of this reduction gear internals to and the inside spare part of being convenient for maintains the change, thereby be convenient for make the long service life of this gear box.
Description
Technical Field
The utility model relates to an engineering machine tool technical field specifically is a gear box for engineering machine tool convenient to maintenance.
Background
In the national economic prop industry such as coal mine machinery, the coal mine speed reducer is key equipment, plays a role of lifting weight, and can improve economic and social benefits, and the gear box is a general part which is indispensable for connecting and transmitting power of the coal mine speed reducer and is used as a gear box for engineering machinery.
The Chinese utility model patent with the granted publication number of CN211975830U discloses an efficient energy-saving gearbox for engineering machinery, which comprises a box body, a base, a transmission mechanism, a large end cover and a small end cover, wherein the box body is divided into an upper box body and a lower box body, the lower box body is fixed on the base, and a plurality of fixing holes are arranged on the base; the lower box body and the upper box body are mounted in a fitting manner and then can be fixedly mounted in the transmission mechanism; the transmission mechanism comprises an input rod, an output rod, a first transmission rod, a second transmission rod, a sealing piece and a bearing, wherein the upper end face of the upper box body is provided with a vent hole, a vent plug is arranged in the vent hole, and a vent cap which is opened and closed is arranged on the vent plug.
However, in the using process, the gear box is not convenient to buffer and protect, lubricating oil is not convenient to add on the gear, abrasion caused by gear transmission is large, and the internal parts are not convenient to maintain and replace in the later period, and the service life is short.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gear box for engineering machine tool convenient to maintenance to provide the high-efficient energy-saving gear box of engineering machine tool that discloses for CN211975830U like the authorization bulletin number in solving above-mentioned background art, be not convenient for cushion protection, be not convenient for add lubricating oil to the gear, the wearing and tearing that gear drive produced are big, and the later stage is not convenient for maintain the change, problem that life is short to inside spare part.
In order to achieve the above object, the utility model provides a following technical scheme: a gearbox for construction machinery convenient to maintain comprises:
the base is placed on the ground, the lower surface of the base is fixedly connected with a cushion pad in a sticking mode, and mounting holes are formed in the inner parts of the outer ends of the base and the cushion pad;
the lower box body is fixedly connected to the upper surface of the base in a welding mode, the upper surface of the lower box body is provided with the upper box body in a fitting mode, and the inner side of the upper end of the upper box body is connected with a connecting cover in a threaded mode;
the input shaft is positioned on the inner side of the rear end of the lower box body, an output shaft is arranged on the inner side of the front end of the lower box body, and the input shaft and the output shaft are symmetrically arranged.
Preferably, the front side and the rear side of the lower box body are symmetrically pasted with sealing rings, and the outer sides of the middle parts of the input shaft and the output shaft are tightly pasted with the sealing rings.
Preferably, the inner side of the right rear end and the inner side of the left front end of the lower box body are fixedly connected with a first fixing plate and a second fixing plate in a welding mode respectively, sponges are arranged on the inner sides of the first fixing plate and the second fixing plate in a nesting mode, and the sponges are connected with the first transmission gear and the second transmission gear in a fitting mode respectively.
Preferably, the front side of the input shaft is connected with an input gear through a bearing, the rear side of the output shaft is connected with an output gear through a bearing, the upper end and the lower end of the input shaft, the upper end and the lower end of the output shaft, the bearing, the input gear and the output gear are respectively connected with the lower box body and the upper box body in a clamping mode, and the upper box body is fixedly connected with the lower box body through bolts.
Preferably, a first transmission gear is meshed with the lower right side of the input gear, the front end and the rear end of the first transmission gear respectively form a clamping structure with the limiting plate and the lower box body, and the limiting plate with the U-shaped cross section is fixedly connected with the base through bolts;
and the left lower side of the front end of the bearing is meshed with a second transmission gear, the upper lower side of the middle part of the second transmission gear is clamped with the lower box body and the limiting plate, and the right side of the front end of the second transmission gear is meshed with the output gear.
Preferably, the upper surfaces of the first fixing plate and the second fixing plate are integrally connected with a hollow pipe, the upper surface of the hollow pipe is attached to the lower surface of the upper box body, the hollow pipe and the first fixing plate and the second fixing plate form a communicating structure respectively, and the hollow pipe and the connecting cover in the upper box body are arranged in a one-to-one correspondence mode.
Compared with the prior art, the beneficial effects of the utility model are that: the gear box for the engineering machinery convenient to maintain is convenient to buffer, lubricating oil can be added to the reduction gear, abrasion of internal parts of the speed reducer is reduced, and internal parts are convenient to maintain and replace, so that the service life of the gear box is prolonged;
1. the gear box is convenient to mount and fix through the mounting holes formed in the outer ends of the base and the buffer cushion, and the gear box is convenient to buffer through the elasticity of the buffer cushion adhered and connected under the base;
2. the lower box body, the limiting plate and the upper box body are fixedly connected with the lower box body through bolts, so that the connection between the upper box body and the lower box body is broken, and then the connection between the limiting plate and the lower box body is broken, the maintenance and the replacement of parts in the gear box are facilitated, and the service life of the gear box is long;
3. the upper box body, the connecting cover and the sponge are arranged, lubricating oil is conveniently added into the hollow pipe through the threaded connection of the disconnecting cover and the upper box body, the sponge nested in the first fixing plate and the second fixing plate is soaked with the lubricating oil, the purpose of lubricating the input gear, the first transmission gear, the second transmission gear and the output gear which are connected in a meshing mode is achieved, and therefore abrasion caused by transmission of the input gear, the first transmission gear, the second transmission gear and the output gear is reduced conveniently.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic top view of the cross-sectional structure of the present invention;
fig. 4 is a schematic view of the second transmission gear and the lower case of the present invention showing a top-view sectional structure.
In the figure: 1. a base; 2. a lower box body; 3. an input shaft; 4. an output shaft; 5. a seal ring; 6. a cushion pad; 7. mounting holes; 8. a limiting plate; 9. an upper box body; 10. a connecting cover; 11. a bearing; 12. an input gear; 13. an output gear; 14. a first drive gear; 15. a second transmission gear; 16. a first fixing plate; 17. a second fixing plate; 18. a sponge; 19. a hollow tube.
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: a gearbox for construction machinery convenient to maintain comprises: the device comprises a base 1, a lower box body 2 and an input shaft 3, wherein the upper side and the lower side of the base 1 are respectively fixedly connected with the lower box body 2 and a buffer pad 6, the outer ends of the base 1 and the buffer pad 6 are internally provided with mounting holes 7, the lower box body 2, the buffer pad 6 and the mounting holes 7 respectively play roles of supporting, buffering protection and mounting and fixing, the inner sides of the front end and the rear end of the lower box body 2 and the upper box body 9 are respectively connected with the input shaft 3 and the output shaft 4 in a clamping way, the outer sides of the input shaft 3 and the output shaft 4 are respectively and tightly attached with a sealing ring 5 which is fixedly attached to the lower box body 2, the input shaft 3 and the output shaft 4 are respectively and fixedly connected with an input gear 12 and an output gear 13 through bearings 11, the right lower side of the input gear 12 is engaged with a first transmission gear 14, the left lower side of the output gear 13 is engaged with a second transmission gear 15, and the first transmission gear 14 is engaged with the second transmission gear 15, the input shaft 3 and the output shaft 4 are connected in a speed reduction linkage mode conveniently, the outer sides of the first transmission gear 14 and the second transmission gear 15 are connected with the sponge 18 nested in the first fixing plate 16 and the second fixing plate 17 in a laminating mode, the first fixing plate 16 and the second fixing plate 17 are connected with the hollow pipe 19 in a communicating mode, the hollow pipe 19 is connected with the upper box 9 in a laminating mode, the connecting cover 10 and the upper box 9 are in threaded connection, lubricating oil is conveniently introduced into the hollow pipe 19, the input gear 12, the output gear 13, the transmission of the first transmission gear 14 and the second transmission gear 15 is lubricated, abrasion generated by transmission of the hollow pipe can be reduced, the limiting plate 8 and the upper box 9 are fixedly connected with the lower box 2 through bolts, and therefore internal parts can be maintained and replaced conveniently.
When the gearbox for engineering machinery convenient to maintain is used, as shown in fig. 1, 2 and 3, firstly, screws are penetrated through mounting holes 7 formed in a base 1 and a buffer cushion 6, the gearbox is mounted and fixed, then a cover 10 is rotatably connected, the threaded connection between the gearbox and an upper box body 9 is disconnected, lubricating oil is added into a hollow pipe 19, so that a sponge 18 nested in a first fixing plate 16 and a second fixing plate 17 is soaked with the lubricating oil, then a power device is connected with an input shaft 3, the power input end of the engineering machinery is connected with an output shaft 4, so that an input gear 12 connected with the power device through a bearing 11 drives a first transmission gear 14 to rotate under the limit in a lower box body 2 and a limit plate 8, and the first transmission gear 14 drives a second transmission gear 15 meshed with the first transmission gear to rotate under the limit of the lower box body 2 and the limit plate 8, the second transmission gear 15 drives the output gear 13 which is meshed with the second transmission gear to rotate, so that the output gear 13 drives the output shaft 4 to rotate through the bearing 11, and the purpose of speed reduction transmission is achieved;
referring to fig. 1, 2, 3 and 4, in the transmission process, the cushion 6 has elasticity to facilitate the buffering of the gear box, and the sponge 18 soaked with lubricating oil is nested in the first fixing plate 16 and the second fixing plate 17 to facilitate the first transmission gear 14 and the second transmission gear 15 to be stained with lubricating oil, so as to lubricate the input gear 12, the first transmission gear 14, the second transmission gear 15 and the output gear 13 which are connected in a meshing manner, thereby reducing the transmission wear, after the use, the screw fixing connection of the upper box 9 and the lower box 2, and the snap connection of the limiting plate 8 and the lower box 2 can be sequentially disconnected, so as to facilitate the disconnection of the snap connection of the upper box 9 and the limiting plate 8 to the input shaft 3, the output shaft 4, the bearing 11, the input gear 12, the output gear 13 and the first transmission gear 14, thereby maintaining and replacing the internal parts of the gear box, so that the service life of the gearbox is long, a series of operations of the gearbox for the engineering machinery convenient to maintain are completed, and the contents which are not described in detail in the specification belong to the prior art which is well known to a person skilled in the art.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A gearbox for construction machinery convenient to maintenance, characterized by includes:
the base (1) is placed on the ground, the lower surface of the base (1) is fixedly connected with a cushion pad (6) in a sticking mode, and mounting holes (7) are formed in the inner parts of the outer ends of the base (1) and the cushion pad (6);
the lower box body (2) is fixedly connected to the upper surface of the base (1) in a welding mode, the upper surface of the lower box body (2) is provided with an upper box body (9) in a fitting mode, and the inner side of the upper end of the upper box body (9) is connected with a connecting cover (10) in a threaded mode;
the input shaft (3) is positioned on the inner side of the rear end of the lower box body (2), the inner side of the front end of the lower box body (2) is provided with an output shaft (4), and the input shaft (3) and the output shaft (4) are symmetrically arranged.
2. A gearbox for construction machinery convenient for maintenance according to claim 1, wherein: the front side and the rear side of the lower box body (2) are symmetrically pasted with sealing rings (5), and the outer sides of the middle parts of the input shaft (3) and the output shaft (4) are tightly pasted with the sealing rings (5).
3. A gearbox for construction machinery convenient for maintenance according to claim 1, wherein: the inner side of the right rear end and the inner side of the left front end of the lower box body (2) are fixedly connected with a first fixing plate (16) and a second fixing plate (17) in a welding mode respectively, sponges (18) are arranged on the inner sides of the first fixing plate (16) and the second fixing plate (17) in a nesting mode, and the sponges (18) are connected with the first transmission gear (14) and the second transmission gear (15) in a laminating mode respectively.
4. A gearbox for construction machinery convenient for maintenance according to claim 1, wherein: the front side of the input shaft (3) is connected with an input gear (12) through a bearing (11), the rear side of the output shaft (4) is connected with an output gear (13) through the bearing (11), the upper end and the lower end of the input shaft (3), the output shaft (4), the bearing (11), the input gear (12) and the upper end and the lower end of the output gear (13) are connected with the lower box body (2) and the upper box body (9) in a clamping mode respectively, and the upper box body (9) is fixedly connected with the lower box body (2) through bolts.
5. A gearbox for construction machinery convenient for maintenance according to claim 4, wherein: a first transmission gear (14) is meshed with the lower right side of the input gear (12), the front end and the rear end of the first transmission gear (14) respectively form a clamping structure with the limiting plate (8) and the lower box body (2), and the limiting plate (8) with the U-shaped cross section is fixedly connected with the base (1) through bolts;
the left lower side of the front end of the bearing (11) is meshed with a second transmission gear (15), the upper side and the lower side of the middle of the second transmission gear (15) are connected with the lower box body (2) and the limiting plate (8) in a clamped mode, and the right side of the front end of the second transmission gear (15) is meshed with the output gear (13).
6. A gearbox for construction machinery convenient for maintenance according to claim 3, wherein: the upper surfaces of the first fixing plate (16) and the second fixing plate (17) are connected with a hollow pipe (19) in a unified mode, the upper surface of the hollow pipe (19) is attached to the lower surface of the upper box body (9) in a connected mode, the hollow pipe (19) and the first fixing plate (16) and the second fixing plate (17) form a communicating structure respectively, and the hollow pipe (19) and the connecting covers (10) in the upper box body (9) are arranged in a one-to-one corresponding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120721443.5U CN214661880U (en) | 2021-04-09 | 2021-04-09 | Gear box for engineering machinery convenient to maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120721443.5U CN214661880U (en) | 2021-04-09 | 2021-04-09 | Gear box for engineering machinery convenient to maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214661880U true CN214661880U (en) | 2021-11-09 |
Family
ID=78460505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120721443.5U Expired - Fee Related CN214661880U (en) | 2021-04-09 | 2021-04-09 | Gear box for engineering machinery convenient to maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214661880U (en) |
-
2021
- 2021-04-09 CN CN202120721443.5U patent/CN214661880U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |