CN214465998U - Industrial gear shifting gear box transmission device - Google Patents
Industrial gear shifting gear box transmission device Download PDFInfo
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- CN214465998U CN214465998U CN202120337435.0U CN202120337435U CN214465998U CN 214465998 U CN214465998 U CN 214465998U CN 202120337435 U CN202120337435 U CN 202120337435U CN 214465998 U CN214465998 U CN 214465998U
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Abstract
The utility model discloses an industry gear shifting gear box transmission, including input shaft assembly, jackshaft assembly, output shaft assembly, box assembly, gearshift and from taking pump lubricating arrangement, input shaft assembly, jackshaft assembly and output shaft assembly all set up in the box assembly, and gearshift is including the arm of shifting, and the arm of shifting sets up outside the box assembly, all is provided with bearing and gear, every on input shaft assembly, jackshaft assembly and the output shaft assembly the bearing all is provided with corresponding lubricating oil pipe alone, and every gear engagement face all is provided with corresponding lubricating oil pipe, lubricating oil pipe and setting in the box assembly outside from taking pump lubricating arrangement intercommunication, make lubricating oil send into bearing and gear engagement face again after the cooling and realize cyclic utilization. Can take away partial heat in the box assembly, prevent the appearance of unsafe problem such as oil leak that pressure is too high, air fluid arouses, increase the life of bearing simultaneously, and then practice thrift the cost.
Description
Technical Field
The utility model belongs to the technical field of the industry gear box, concretely relates to industry gear shifting gear box transmission.
Background
The transmission device of the industrial gear shifting gear box is mainly suitable for the matching increase (decrease) of high-speed gear boxes of units such as a steam turbine, a gas generator, a centrifugal fan, an axial flow fan, a blower, a compressor, a high-low pressure pump, a cracking catalytic energy recovery unit, an oxygen generator, a balancing machine, a military and civil test bed and the like.
In the existing variable frequency motor counter-dragging test bed, the large torque working condition and the high rotating speed working condition of a motor need to be met, at the moment, a rolling bearing needs to be selected for the model selection of the bearing in order to meet the frequent starting of an experiment, the high-speed gear shifting gearbox has the characteristics of small space, complex structure and high rotating speed, unsafe problems such as heat generation inside the gearbox, overhigh pressure, oil leakage caused by air fluid and the like need to be faced when the rolling bearing is selected, and the service life of the bearing can be shortened.
SUMMERY OF THE UTILITY MODEL
The utility model provides an industry gear shifting gear box transmission can reduce the heat that gives off in the gear box, can prevent that the incasement pressure is too high simultaneously.
Therefore, the utility model discloses the technical scheme who adopts does: the utility model provides an industry gear shifting gear box transmission, includes input shaft assembly, jackshaft assembly, output shaft assembly, box assembly, gearshift and takes pump lubricating arrangement certainly, input shaft assembly, jackshaft assembly and output shaft assembly all set up in the box assembly, gearshift includes the arm of shifting gears, the arm of shifting gears sets up outside the box assembly, all be provided with bearing and gear on input shaft assembly, jackshaft assembly and the output shaft assembly, every the bearing all is provided with corresponding lubricated oil pipe alone, and every gear engagement surface all is provided with corresponding lubricated oil pipe, lubricated oil pipe and the taking pump lubricating arrangement intercommunication certainly that sets up in the box assembly outside, make lubricating oil send into bearing and gear engagement surface realization cyclic utilization again after the cooling.
Preferably, the box assembly comprises a box body, an end cover and a cover plate, wherein the end cover and the cover plate are both arranged on the box body, the box body is provided with an observation window and a process installation window, and the upper end of the box body is also provided with a respirator for balancing the atmospheric pressure inside and outside the box body.
Preferably, the input shaft assembly comprises an input shaft, the input shaft is arranged in the box body through a bearing assembly, the left end of the input shaft penetrates through the box body, and a first driving gear, a first gear shifting sleeve, a second driving gear, a second gear shifting sleeve and a third driving gear are sequentially sleeved on the input shaft from left to right.
Further preferably, the gearshift includes the declutch shift shaft, the declutch shift shaft is fixed in the box through the copper sheathing that the front and back interval set up, and is located the below of input shaft, the front end of declutch shift shaft is provided with the arm of shifting after passing the box, be provided with the first shift fork that links to each other with first gear shifting cover and the second shift fork that links to each other with the second gear shifting cover on the declutch shift shaft, when stirring the handle of shifting, can make the external splines on first gear shifting cover and the internal spline cooperation on first driving gear or the second driving gear through first shift fork, perhaps make the external splines on the second gear shifting cover and the internal spline cooperation on second driving gear or the third driving gear through the second shift fork to realize manual gear shifting.
Preferably, a pair of deep groove ball bearings is arranged in each of the first driving gear, the second driving gear and the third driving gear.
Preferably, the intermediate shaft assembly comprises an intermediate shaft tooth, the intermediate shaft tooth is arranged in the box body through a bearing assembly, a first driven tooth section capable of being meshed with the first driving gear is arranged at the left end of the intermediate shaft tooth, a second driven gear capable of being meshed with the second driving gear and a third driven gear meshed with the third driving gear are sleeved on the intermediate shaft tooth respectively, and the second driven gear and the third driven gear are arranged on the intermediate shaft tooth in an interference mode.
Preferably, the output shaft assembly comprises output shaft teeth, the output shaft teeth are arranged in the box body through a bearing assembly, the right end of the output shaft teeth penetrates the outside of the box body, and the output teeth on the output shaft teeth are meshed with the third driven gear.
Further preferably, the bearing assembly includes a first cylindrical bearing provided at a left end, and a second cylindrical bearing and a four-point ball bearing provided at a right end.
Further preferably, the lubricating device with the pump comprises a motor, an oil pump, a filter and a cooler, wherein the motor, the oil pump, the filter and the cooler are fixed outside the box body through a supporting frame, and the oil pump, the filter and the cooler are communicated with each other.
Preferably, the left end of the input shaft, the right end of the output shaft teeth and the front end of the shifting fork shaft are sealed by sealing rings, and the right end of the input shaft, the two ends of the middle shaft teeth, the left end of the output shaft teeth and the rear end of the shifting fork shaft are sealed by planes.
The utility model has the advantages that: the lubricating device with the pump is arranged, lubricating oil in the box body assembly can be sucked out and then cooled and then introduced into the box body assembly to lubricate the bearing and the gear, partial heat in the box body assembly can be taken away, unsafe problems such as oil leakage caused by overhigh pressure and air fluid are prevented, the service life of the bearing is prolonged, and cost is saved.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a right side view of the present invention.
Fig. 4 is a partial cross-sectional view of the present invention taken along the axis of the fork shaft.
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
as shown in fig. 1-4, an industrial gear shifting gearbox transmission device mainly comprises an input shaft assembly a, an intermediate shaft assembly B, an output shaft assembly C, a box body assembly D, a gear shifting mechanism E and a self-contained pump lubricating device F.
The gear shifting mechanism E comprises a gear shifting arm 1, the gear shifting arm 1 is arranged outside the box assembly D, bearings and gears are arranged on the input shaft assembly A, the intermediate shaft assembly B and the output shaft assembly C, each bearing is provided with a corresponding lubricating oil pipe independently, each gear meshing surface is provided with a corresponding lubricating oil pipe, and the lubricating oil pipes are communicated with a self-contained pump lubricating device F arranged on the outer side of the box assembly D, so that lubricating oil is cooled and then sent to the bearings and the gear meshing surfaces to be recycled.
The specific structure of the box body assembly D comprises a box body 2, an end cover and a cover plate, wherein the end cover and the cover plate are arranged on the box body 2, and the box body 2 adopts a top-down box separating structure. The box body 2 is provided with an observation window and a process installation window, so that various states in the box body can be observed conveniently. The upper end of box 2 still is provided with respirator 2a, and respirator 2a is used for balancing the inside and outside atmospheric pressure of box 2, improvement life that can be better.
The specific structure of the input shaft assembly A comprises an input shaft 3, the input shaft 3 is arranged in a box body 2 through a bearing assembly, the left end of the input shaft penetrates through the box body 2, and a first driving gear 4, a first gear shifting sleeve 5, a second driving gear 6, a second gear shifting sleeve 7 and a third driving gear 8 are sequentially sleeved on the input shaft 3 from left to right.
The specific structure of the gear shifting mechanism E comprises a shifting fork shaft 9, the shifting fork shaft 9 is fixed in a box body 2 through copper sleeves arranged at intervals in the front and back, and is located below an input shaft 3, a gear shifting arm 1 is arranged at the front end of the shifting fork shaft 9 after penetrating through the box body 2, a first shifting fork 10 connected with a first gear shifting sleeve 5 and a second shifting fork 11 connected with a second gear shifting sleeve 7 are arranged on the shifting fork shaft 9, when the gear shifting arm 1 is shifted, an external spline on the first gear shifting sleeve 5 can be matched with an internal spline on a first driving gear 4 or a second driving gear 6 through the first shifting fork 10, or an external spline on the second gear shifting sleeve 7 is matched with an internal spline on the second driving gear 6 or a third driving gear 8 through the second shifting fork 11, and therefore manual gear shifting is achieved.
A pair of deep groove ball bearings are respectively arranged in the first driving gear 4, the second driving gear 6 and the third driving gear 8, the deep groove ball bearings are arranged on the left side and the right side in the first driving gear 4, the second driving gear 6 and the third driving gear 8, and the reliability of gear transmission is improved through zero clearance adjustment of inner rings of the deep groove ball bearings.
The specific structure of the intermediate shaft assembly B comprises intermediate shaft teeth 12, the intermediate shaft teeth 12 are arranged in the box body 2 through bearing assemblies, a first driven tooth section 12a capable of being meshed with the first driving gear 4 is arranged at the left end of the intermediate shaft teeth 12, a second driven gear 13 capable of being meshed with the second driving gear 6 and a third driven gear 14 meshed with the third driving gear 8 are sleeved on the intermediate shaft teeth 12 in a sleeved mode, and the second driven gear 13 and the third driven gear 14 are arranged on the intermediate shaft teeth 12 in an interference mode.
The specific structure of the output shaft assembly C comprises output shaft teeth 15, the output shaft teeth 15 are arranged in the box body 2 through a bearing assembly, the right end of the output shaft teeth 15 penetrates the box body 2, and output teeth 15a on the output shaft teeth 15 are meshed with the third driven gear 14.
The specific structure of the bearing assembly comprises a first cylindrical bearing 16 arranged at the left end, a second cylindrical bearing 17 arranged at the right end and a four-point ball bearing 18, and the cost can be effectively saved by matching the cylindrical bearing and the four-point ball bearing under the condition of meeting the use condition.
The lubricating device F with the pump comprises a motor, an oil pump, a filter and a cooler, wherein the motor, the oil pump, the filter and the cooler are fixed outside the box body 2 through a supporting frame, and the oil pump, the filter and the cooler are communicated with each other. Be provided with the filter and can filter the lubricating oil that gets into in the box 2 once more, guarantee the cleanliness of the lubricating oil that gets into in the box 2, prevent because of the dirty bearing or gear of damaging of lubricating oil to reduce life, set up the cooler and can further cool off lubricating oil, prevent that the temperature of lubricating oil is too high.
In order to ensure the sealing in the whole box body, the left end of the input shaft 3, the right end of the output shaft tooth 15 and the front end of the shifting fork shaft 9 are all sealed by sealing rings, and the right end of the input shaft 3, the two ends of the middle shaft tooth 12, the left end of the output shaft tooth 15 and the rear end of the shifting fork shaft 9 are all sealed by planes.
Claims (10)
1. The utility model provides an industry gearbox transmission that shifts, includes input shaft assembly (A), jackshaft assembly (B), output shaft assembly (C), box assembly (D), gearshift (E), input shaft assembly (A), jackshaft assembly (B) and output shaft assembly (C) all set up in box assembly (D), gearshift (E) is including shifting gear arm (1), shift gear arm (1) and set up outside box assembly (D), all be provided with bearing and gear on input shaft assembly (A), jackshaft assembly (B) and the output shaft assembly (C), its characterized in that: the lubricating oil pipe is communicated with the self-provided pump lubricating device (F) arranged outside the box body assembly (D), so that the lubricating oil is cooled and then sent to the bearing and the gear meshing surface to realize cyclic utilization.
2. An industrial shift gearbox transmission as defined in claim 1 wherein: the box body assembly (D) comprises a box body (2), an end cover and a cover plate, wherein the end cover and the cover plate are both arranged on the box body (2), an observation window and a process installation window are arranged on the box body (2), and a respirator (2a) used for balancing the internal and external atmospheric pressures of the box body (2) is further arranged at the upper end of the box body (2).
3. An industrial shift gearbox transmission as defined in claim 2 wherein: input shaft assembly (A) includes input shaft (3), input shaft (3) pass through bearing assembly setting in box (2), and the left end outside box (2) are worn, from left to right the cover is equipped with first driving gear (4), first gear shifting cover (5), second driving gear (6), second gear shifting cover (7) and third driving gear (8) in proper order on input shaft (3).
4. An industrial shift gearbox transmission as defined in claim 3 wherein: the gear shifting mechanism (E) comprises a shifting fork shaft (9), the shifting fork shaft (9) is fixed in the box body (2) through copper sleeves arranged at intervals in the front and back and is positioned below the input shaft (3), a gear shifting arm (1) is arranged at the front end of the shifting fork shaft (9) after penetrating through the box body (2), a first shifting fork (10) connected with the first gear shifting sleeve (5) and a second shifting fork (11) connected with the second gear shifting sleeve (7) are arranged on the shifting fork shaft (9), when the gear shifting arm (1) is shifted, an external spline on the first gear shifting sleeve (5) can be matched with an internal spline on the first driving gear (4) or the second driving gear (6) through the first shifting fork (10), or an external spline on the second gear shifting sleeve (7) is matched with an internal spline on the second driving gear (6) or the third driving gear (8) through the second shifting fork (11), thereby realizing manual gear shifting.
5. An industrial shift gearbox transmission as defined in claim 3 wherein: and a pair of deep groove ball bearings are respectively arranged in the first driving gear (4), the second driving gear (6) and the third driving gear (8).
6. An industrial shift gearbox transmission as defined in claim 4 wherein: the intermediate shaft assembly (B) comprises intermediate shaft teeth (12), the intermediate shaft teeth (12) are arranged in the box body (2) through bearing assemblies, a first driven gear section (12a) capable of being meshed with the first driving gear (4) is arranged at the left end of the intermediate shaft teeth (12), a second driven gear (13) capable of being meshed with the second driving gear (6) and a third driven gear (14) meshed with the third driving gear (8) are sleeved on the intermediate shaft teeth (12), and the second driven gear (13) and the third driven gear (14) are arranged on the intermediate shaft teeth (12) in an interference mode.
7. An industrial shift gearbox transmission as defined in claim 6 wherein: the output shaft assembly (C) comprises output shaft teeth (15), the output shaft teeth (15) are arranged in the box body (2) through bearing assemblies, the right end of the output shaft teeth penetrates through the box body (2), and output teeth (15a) on the output shaft teeth (15) are meshed with the third driven gear (14).
8. An industrial shift gearbox transmission according to claim 3, 6 or 7, characterized in that: the bearing assembly comprises a first cylindrical bearing (16) arranged at the left end, a second cylindrical bearing (17) arranged at the right end and a four-point ball bearing (18).
9. An industrial shift gearbox transmission as defined in claim 2 wherein: the self-contained pump lubricating device (F) comprises a motor, an oil pump, a filter and a cooler, wherein the motor, the oil pump, the filter and the cooler are fixed outside the box body (2) through a supporting frame, and the oil pump, the filter and the cooler are communicated with each other.
10. An industrial shift gearbox transmission as defined in claim 7 wherein: the left end of input shaft (3), the right-hand member of output shaft tooth (15) and the front end of declutch shift shaft (9) all adopt the sealing washer to seal, the right-hand member of input shaft (3), the both ends of middle shaft tooth (12), the left end of output shaft tooth (15) and the rear end of declutch shift shaft (9) all adopt plane seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120337435.0U CN214465998U (en) | 2021-02-06 | 2021-02-06 | Industrial gear shifting gear box transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120337435.0U CN214465998U (en) | 2021-02-06 | 2021-02-06 | Industrial gear shifting gear box transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214465998U true CN214465998U (en) | 2021-10-22 |
Family
ID=78136603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120337435.0U Active CN214465998U (en) | 2021-02-06 | 2021-02-06 | Industrial gear shifting gear box transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214465998U (en) |
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2021
- 2021-02-06 CN CN202120337435.0U patent/CN214465998U/en active Active
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