CN221591695U - Speed reducer for vertical pumping unit - Google Patents
Speed reducer for vertical pumping unit Download PDFInfo
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- CN221591695U CN221591695U CN202323587278.7U CN202323587278U CN221591695U CN 221591695 U CN221591695 U CN 221591695U CN 202323587278 U CN202323587278 U CN 202323587278U CN 221591695 U CN221591695 U CN 221591695U
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- 238000005086 pumping Methods 0.000 title claims abstract description 23
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 20
- 230000007704 transition Effects 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 11
- 230000035939 shock Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 208000012661 Dyskinesia Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of speed reducers, in particular to a speed reducer for a vertical pumping unit, which comprises a box body, wherein a partition plate is fixed in the box body, the partition plate divides the interior of the box body into a rear mounting cavity and a front mounting cavity, a single-input transmission mechanism is arranged in the front mounting cavity, and a double-output transmission mechanism is arranged in the rear mounting cavity; the double-arc herringbone gear transmission is adopted, so that the problems of low bearing capacity, poor shock resistance and large axial force which cause expansion of the box body when the existing vertical pumping unit reducer is in involute single-bevel gear transmission are solved; the input shaft end integrates the belt pulley and the brake wheel into an integral structure, so that space is saved, and further, the output shaft I and the output shaft II can rotate relatively by the aid of the transition gear shaft.
Description
Technical Field
The utility model relates to the technical field of speed reducers, in particular to a speed reducer for a vertical pumping unit.
Background
At present, a speed reducer used by a vertical pumping unit is of a double-input single-output structure, an input shaft end on the same side of an output shaft is connected with a brake wheel and used for braking a whole machine, the other end of the input shaft is directly connected with a belt pulley and used for transmitting power, the output shaft end is connected with a chain wheel of the pumping unit, and the whole machine is driven to operate through meshed transmission of an internal gear; the internal gear in the structure is an involute single helical tooth, and the involute single helical tooth has large impact force in the actual running process, so that the gear in the speed reducer is easy to break, and the single helical tooth can easily cause the expansion of the box body when transmitting power; secondly, the speed reducer with the involute single-bevel gear structure has the advantages that the bearing lubrication is mainly achieved by improving the oil level, the operation time is long, the oil leakage phenomenon is easy to occur at the oil seal and the joint surface, the resources are wasted, and the environment protection requirement is not met.
Disclosure of utility model
The utility model provides a reducer for a vertical pumping unit, which aims to solve the problems of box expansion caused by unreasonable gear structure, low bearing capacity, poor shock resistance and overlarge axial force of a reducer of the existing double-chain vertical pumping unit.
The utility model is realized by adopting the following technical scheme:
A reducer for a vertical pumping unit comprises a box body, wherein a partition plate is fixed in the box body, the partition plate divides the box body into a rear mounting cavity and a front mounting cavity, a single-input transmission mechanism is arranged in the front mounting cavity, and a double-output transmission mechanism is arranged in the rear mounting cavity;
The single-input transmission mechanism comprises a toothed low shaft, an intermediate shaft and an input shaft, wherein the toothed low shaft is rotatably arranged in a front mounting cavity through a bearing I from left to right, the intermediate shaft and the input shaft are rotatably arranged in the front mounting cavity through the bearing I, the front end of the input shaft penetrates through the side wall of the box body, a right-handed gear and a left-handed gear which are positioned between the intermediate shaft and the input shaft are rotatably arranged on the front surface of the partition plate and the inner side wall of the box body respectively, the right-handed gear and the left-handed gear are meshed with the intermediate shaft and the input shaft, a middle-low speed gear is fixedly arranged on the toothed low shaft, and the middle-low speed gear is meshed with the intermediate shaft;
The double-output transmission mechanism comprises a first output shaft and a second output shaft which are rotatably mounted in a rear mounting cavity through a bearing I, a toothed intermediate shaft and a transition gear shaft are rotatably mounted in the rear mounting cavity through a bearing II, the end part of the toothed intermediate shaft is fixedly connected with the end part of a toothed low shaft through a gear sleeve, low-speed gears are fixedly mounted on the first output shaft and the second output shaft, the toothed intermediate shaft is meshed with the low-speed gears and the transition gear shaft which are positioned on the first output shaft respectively, and the transition gear shaft is meshed with the low-speed gears which are positioned on the second output shaft.
Further, the front end of the input shaft is fixedly provided with a belt pulley and a brake wheel which are positioned on the outer side of the box body, and the belt pulley is connected with a hub of the brake wheel through a spindle taper hole.
Further, an oil wiper which is correspondingly matched with the first output shaft, the second output shaft and the toothed low shaft is fixedly arranged on the inner wall of the box body, and an oil receiving box which is respectively matched with the first output shaft and the second output shaft is arranged on the box body.
Further, the gears on the input shaft, the gears on the intermediate shaft, the gears on the tooth-shaped low shaft, the gears on the tooth-shaped intermediate shaft, the gears on the transition tooth shaft and the low-speed gears are double-arc herringbone gears; the spline tooth shape of the tooth sleeve is an involute spline.
Further, the bearing is an N-type cylindrical roller bearing, the bearing I is a self-aligning roller bearing, and the bearing II is a sliding bearing.
The utility model has reasonable and reliable structural design, adopts double-arc herringbone gear transmission, and solves the problems of low bearing capacity, poor shock resistance and large axial force which lead to the expansion of the box body when the existing vertical pumping unit reducer uses involute single-bevel gear transmission; secondly, input axle head is with belt pulley and brake wheel integration formula integral type structure, saved the space, and further, the application of transition tooth axle for output shaft one and output shaft two can relative rotation, and the tooth jackshaft that meshes with the low-speed gear and the bearing department of transition tooth axle all adopt graphite self-lubricating, slide bearing supports, compact structure, self-lubricating is effectual, bearing capacity is big, its slide bearing's outer lane passes through box bearing hole radial pretension, inner circle and tooth jackshaft or transition tooth axle clearance fit, produces relative rotation between the two, simultaneously, can bear the axial float from tooth jackshaft and transition tooth axle a certain amount.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the tooth cover in the present utility model.
Fig. 3 is a schematic diagram of the assembly of the pulley and brake wheel of the present utility model.
Fig. 4 is a schematic view of the structure of the box base in the present utility model.
In the figure: 1-box, 2-division board, 3-tooth type low shaft, 4-bearing, 5-jackshaft, 6-input shaft, 7-right-handed gear, 8-left-handed gear, 9-bearing I, 10-output shaft I, 11-output shaft II, 12-bearing II, 13-tooth type jackshaft, 14-transition gear shaft, 15-tooth cover, 16-low gear, 17-belt pulley, 18-brake wheel, 19-oil wiper, 20-oil receiving box, 21-box seat, 22-medium and low speed gear.
Detailed Description
The reducer for the vertical pumping unit comprises a box body 1, wherein a partition plate 2 which is horizontally arranged is fixed in the box body 1, the partition plate 2 divides the interior of the box body 1 into a rear mounting cavity and a front mounting cavity, a single-input transmission mechanism is arranged in the front mounting cavity, and a double-output transmission mechanism is arranged in the rear mounting cavity;
The single-input transmission mechanism comprises a toothed low shaft 3 rotatably mounted in a front mounting cavity from left to right through a bearing I9, an intermediate shaft 5 and an input shaft 6 rotatably mounted in the front mounting cavity through a bearing 4, the front end of the input shaft 6 penetrates through the side wall of the box body 1, a right-handed gear 7 and a left-handed gear 8 positioned between the intermediate shaft 5 and the input shaft 6 are rotatably mounted on the front surface of the partition plate 2 and the inner side wall of the box body 1 respectively, the right-handed gear 7 and the left-handed gear 8 are meshed with the intermediate shaft 5 and the input shaft 6, a middle low-speed gear 22 is fixedly mounted on the toothed low shaft 3, and the middle low-speed gear 22 is meshed with the intermediate shaft 5.
The double-output transmission mechanism comprises an output shaft I10 and an output shaft II 11 which are rotatably arranged in a rear mounting cavity through a bearing I9, a tooth-type intermediate shaft 13 and a transition tooth shaft 14 which are positioned between the output shaft I10 and the output shaft II 11 are rotatably arranged in the rear mounting cavity through a bearing II12, the end part of the tooth-type intermediate shaft 13 is fixedly connected with the end part of a tooth-type low shaft 3 through a tooth sleeve 15, low-speed gears 16 are fixedly assembled on the output shaft I10 and the output shaft II 11, the tooth-type intermediate shaft 13 is respectively meshed with the low-speed gears 16 and the transition tooth shaft 14 which are positioned on the output shaft I10, and the transition tooth shaft 14 is meshed with the low-speed gears 16 which are positioned on the output shaft II 11.
The utility model adopts a double-cavity structure, effectively shortens the length of the box body 1, ensures that the box body 1 is square and correct, and simultaneously ensures that the front mounting cavity and the rear mounting cavity are communicated, so as to ensure that the oil levels of the two cavities can be kept consistent; furthermore, the utility model has a single-input double-output structure, and through the conversion of the transition gear shaft 14, the running directions of the output shaft I10 and the output shaft II 11 are opposite, and the rotation speeds of the output shaft I10 and the output shaft II 11 are ensured to be the same; the application of the transition gear shaft 14 enables the first output shaft 10 and the second output shaft 11 to rotate relatively; the central plane of the first 10 key groove of the output shaft is completely parallel to the central plane of the second 11 key groove of the output shaft, so that the two chain wheels of the vertical pumping unit can be accurately aligned with the gear positions during assembly, and the synchronism of the two chains is ensured.
When the vertical pumping unit works, after the brake of the vertical pumping unit is slowly released, the motor on the vertical pumping unit outputs power through the belt, the belt transmits the power to the belt pulley 17, the belt pulley 17 transmits the power to the input shaft 6 through the brake wheel 18 connected with the taper hole of the main shaft, the power on the input shaft 6 is respectively transmitted to the right-handed gear 7 and the left-handed gear 8 through the double-arc-shaped gears on the belt pulley and the gear wheel, the power is further transmitted to the intermediate shaft 5, then the power is transmitted to the middle-low speed gear 22 through the double-arc-shaped gears on the intermediate shaft and the gear wheel, and then the gear wheel 3 is connected with the gear sleeve 15, at the moment, the power is continuously transmitted to the gear intermediate shaft 13, at the moment, one part of the power is directly meshed with the low-speed gear 16 on the output shaft 10, the other part of the power is meshed with the transition gear shaft 14, and the low-speed gear 16 on the output shaft 11 is simultaneously meshed with the low-speed gear 16 on the output shaft 2, the power is transmitted to the output shaft 1, the output shaft 10 and the output shaft 11 is simultaneously driven to operate, and the vertical pumping unit is driven to operate.
The front end of the input shaft 6 is fixedly provided with a belt pulley 17 and a brake wheel 18 which are positioned on the outer side of the box body 1, and the belt pulley 17 is connected with the hub of the brake wheel 18 through a spindle taper hole.
The taper of the spindle taper hole is 1:10, the belt pulley 17, the brake wheel 19 and the input shaft 6 are integrated after connection, so that the space is saved.
The inner wall of the box body 1 is fixedly provided with an oil wiper 19 which is correspondingly matched with the first output shaft 10, the second output shaft 11 and the toothed low shaft 3, and the box body 1 is provided with an oil receiving box 20 which is respectively matched with the first output shaft 10 and the second output shaft 11.
The use of the oil wiper 19 ensures the effective operation of the bearings 4, I9 and II 12.
The gear on the input shaft 6, the gear on the intermediate shaft 5, the gear on the tooth-shaped low shaft 3, the gear on the tooth-shaped intermediate shaft 13, the gear on the transition gear shaft 14 and the low-speed gear 16 are double-arc herringbone gears; the spline tooth shape of the tooth sleeve 15 is an involute spline.
The tooth sleeve 15 of the involute spline is convenient to manufacture, and the fit of the internal and external spline supports is small in clearance, so that no abnormal movement is ensured when the vertical pumping unit commutates.
The bearing 4 is an N-type cylindrical roller bearing, the bearing I9 is a self-aligning roller bearing, and the bearing II12 is a sliding bearing.
The sliding bearing is used for supporting the tooth type intermediate shaft 13 and the transition gear shaft 14, so that the structure is compact, the self-lubricating effect is good, and the bearing capacity is high; the outer ring of the sliding bearing is radially preloaded through a bearing hole of the box body, the inner ring is in clearance fit with the toothed intermediate shaft or the transition gear shaft, relative rotation is generated between the inner ring and the toothed intermediate shaft or the transition gear shaft, and meanwhile, a certain amount of axial movement from the toothed intermediate shaft and the transition gear shaft can be borne.
In the specific implementation process, as shown in fig. 4, the bottom plate at the right end of the box seat 21 is higher than the bottom plate at the left end of the box seat 21, so that the oil storage capacity can be effectively reduced, and meanwhile, the oil quantity in the front mounting cavity and the oil quantity in the rear mounting cavity are ensured to be consistent.
In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a speed reducer for vertical beam-pumping unit which characterized in that: the device comprises a box body (1), wherein a partition plate (2) is fixed in the box body (1), the partition plate (2) divides the interior of the box body (1) into a rear mounting cavity and a front mounting cavity, a single-input transmission mechanism is arranged in the front mounting cavity, and a double-output transmission mechanism is arranged in the rear mounting cavity;
The single-input transmission mechanism comprises a toothed low shaft (3) rotatably mounted in a front mounting cavity from left to right through a bearing I (9), an intermediate shaft (5) and an input shaft (6) rotatably mounted in the front mounting cavity through a bearing (4), the front end of the input shaft (6) penetrates through the side wall of the box body (1), a right-handed gear (7) and a left-handed gear (8) which are positioned between the intermediate shaft (5) and the input shaft (6) are rotatably mounted on the front surface of the partition plate (2) and the inner side wall of the box body (1) respectively, the right-handed gear (7) and the left-handed gear (8) are meshed with the intermediate shaft (5) and the input shaft (6), a middle-low speed gear (22) is fixedly mounted on the toothed low shaft (3), and the middle-low speed gear (22) is meshed with the intermediate shaft (5);
The double-output transmission mechanism comprises a first output shaft (10) and a second output shaft (11) which are rotatably arranged in a rear mounting cavity through a bearing I (9), a toothed intermediate shaft (13) and a transition gear shaft (14) which are positioned between the first output shaft (10) and the second output shaft (11) are rotatably arranged in the rear mounting cavity through a bearing II (12), the end part of the toothed intermediate shaft (13) is fixedly connected with the end part of a toothed low shaft (3) through a gear sleeve (15), low-speed gears (16) are fixedly arranged on the first output shaft (10) and the second output shaft (11), the toothed intermediate shaft (13) is meshed with the low-speed gears (16) and the transition gear shaft (14) which are positioned on the first output shaft (10) respectively, and the transition gear shaft (14) is meshed with the low-speed gears (16) which are positioned on the second output shaft (11).
2. The reducer for a vertical pumping unit according to claim 1, wherein: the front end of the input shaft (6) is fixedly provided with a belt pulley (17) and a brake wheel (18) which are positioned on the outer side of the box body (1), and the belt pulley (17) is connected with a hub of the brake wheel (18) through a spindle taper hole.
3. The reducer for a vertical pumping unit according to claim 1, wherein: the oil wiper (19) which is correspondingly matched with the first output shaft (10), the second output shaft (11) and the tooth-shaped low shaft (3) is fixedly arranged on the inner wall of the box body (1), and the oil receiving box (20) which is respectively matched with the first output shaft (10) and the second output shaft (11) is arranged on the box body (1).
4. The reducer for a vertical pumping unit according to claim 1, wherein: the gear on the input shaft (6), the gear on the intermediate shaft (5), the gear on the tooth-shaped low shaft (3), the gear on the tooth-shaped intermediate shaft (13), the gear on the transition tooth shaft (14) and the low-speed gear (16) are double-arc herringbone gears; the spline tooth shape of the tooth sleeve (15) is an involute spline.
5. The reducer for a vertical pumping unit according to claim 1, wherein: the bearing (4) is an N-type cylindrical roller bearing, the bearing I (9) is a self-aligning roller bearing, and the bearing II (12) is a sliding bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323587278.7U CN221591695U (en) | 2023-12-27 | 2023-12-27 | Speed reducer for vertical pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323587278.7U CN221591695U (en) | 2023-12-27 | 2023-12-27 | Speed reducer for vertical pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221591695U true CN221591695U (en) | 2024-08-23 |
Family
ID=92406637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323587278.7U Active CN221591695U (en) | 2023-12-27 | 2023-12-27 | Speed reducer for vertical pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221591695U (en) |
-
2023
- 2023-12-27 CN CN202323587278.7U patent/CN221591695U/en active Active
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