CN220687577U - High-speed heavy-load hydraulic pump - Google Patents
High-speed heavy-load hydraulic pump Download PDFInfo
- Publication number
- CN220687577U CN220687577U CN202322390230.0U CN202322390230U CN220687577U CN 220687577 U CN220687577 U CN 220687577U CN 202322390230 U CN202322390230 U CN 202322390230U CN 220687577 U CN220687577 U CN 220687577U
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- gear
- hydraulic pump
- motor shaft
- push rod
- shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 61
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
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- Rotary Pumps (AREA)
Abstract
The utility model discloses a high-speed heavy-load hydraulic pump which comprises a hydraulic pump, a transmission shaft, a connecting ring and a motor shaft, wherein a limit groove is formed in the top of the transmission shaft, a limit block is fixedly arranged at the bottom of the motor shaft, the limit block at the bottom end of the motor shaft is placed in the limit groove at the top of the transmission shaft, one end of the motor shaft is positioned in the connecting ring, one end of a clamping block is positioned at one horizontal side of an opening, the clamping block ascends on the surface of a groove by rotating a threaded sleeve, the clamping block is positioned at the top end of the groove, when the threaded sleeve ascends to the top end of the groove, a push rod is extruded by the threaded sleeve to move to the top, a spring is contracted by the pressure of the push rod, one end of a connecting rod rotates around the surface of the push rod when the push rod ascends to drive the top end of the connecting rod to move rightwards, and the connecting rod pushes the clamping block out the clamping block, so that one end of the clamping block is positioned in the opening, and the motor shaft cannot be taken out, thereby achieving the effect of mounting and fixing the motor shaft.
Description
Technical Field
The utility model belongs to the technical field of hydraulic pumps, and particularly relates to a high-speed heavy-load hydraulic pump.
Background
The hydraulic pump is a power element of a hydraulic system, is driven by an engine or a motor, sucks oil from a hydraulic oil tank, forms pressure oil, discharges the pressure oil and sends the pressure oil to an executing element, and is structurally divided into a gear pump, a plunger pump, a vane pump and a screw pump, wherein the gear pump is used as one of the hydraulic pump modes, has smaller volume, simpler structure and lower price, and has less requirement on the cleanliness of the oil.
The existing gear pump mostly adopts a mode that a single motor drives double gears inside a pump body to oppositely rotate, oil is pumped out by utilizing the oppositely-matched suction force of the two groups of gears, and the other gear is generally driven to rotate by the meshing of the gears at the connecting shaft ends, but the mode is easy to wear the gears, the tightness is reduced, the pressure is reduced, in addition, the output shaft of the existing driving motor is usually connected with the transmission shaft of the hydraulic pump through a coupler, the arrangement of the coupler often occupies a larger space, and the installation and the disassembly are not facilitated, so that the high-speed heavy-load hydraulic pump is provided.
Disclosure of Invention
The present utility model provides a high-speed heavy-duty hydraulic pump to solve the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a high-speed heavy load hydraulic pump, includes hydraulic pump, transmission shaft, go-between and motor shaft, the surface fixed mounting of hydraulic pump has the inlet, the inboard of go-between is connected with the surface fixed of transmission shaft, the inside of hydraulic pump is equipped with pump gear and lower pump gear, the inboard of go-between is equipped with the fixture block quantity and is four.
By adopting the scheme, the limit groove is formed in the top of the transmission shaft in the scheme, the limit block is fixedly arranged at the bottom of the motor shaft, the size of the limit block is identical to that of the limit groove, the number of openings is four on the surface of the motor shaft, the surface of the connecting ring is provided with the grooves, the surface of the grooves is provided with the threads, the surface threads of the grooves are connected with the threaded sleeves, one end of the connecting ring is movably provided with four push rods, the fixing block is fixedly arranged in the connecting ring, the limit block at the bottom end of the motor shaft is placed in the limit groove at the top of the transmission shaft, at the moment, one end of the motor shaft is positioned in the connecting ring, one end of the clamping block is positioned on one horizontal side of the opening, and the limit block ascends on the surface of the grooves and is positioned at the top of the grooves through rotating the threaded sleeves.
The technical scheme of the utility model is further improved as follows: through the cooperation of transmission shaft, spacing groove, motor shaft, stopper, opening and go-between, make the motor shaft can drive the transmission shaft rotation.
Adopt above-mentioned scheme, in this scheme the one end swing joint of push rod is in the inside of fixed block, the one end fixedly connected with spring of push rod, the one end of spring and the inner wall fixed connection of go-between, the surface active mounting of push rod has the connecting rod, the one end of connecting rod and the one end swing joint of fixture block, when the thread bush risees to the recess top, the push rod receives the extrusion of thread bush and removes to the top, and the spring receives the pressure shrink of push rod, and connecting rod one end is rotatory around the push rod surface when the push rod rises, and the push rod rises to drive the connecting rod top and moves right, and the connecting rod is released the fixture block, makes fixture block one end be located inside the opening, can't take out the motor shaft this moment.
The technical scheme of the utility model is further improved as follows: through the cooperation of push rod, fixed block, spring, connecting rod and fixture block, reached the effect of fixing motor shaft and transmission shaft installation.
By adopting the scheme, the bottom of the transmission shaft in the scheme is movably connected with the inner wall of the hydraulic pump, the bevel gear and the bevel gear II are fixedly arranged on the surface of the transmission shaft, the structures of the bevel gear and the bevel gear II are the same and opposite in direction, the connecting shafts are fixedly connected with the two ends of the upper pump gear, the connecting shafts are fixedly connected with the second connecting shaft, one side of the connecting shafts is fixedly connected with the transmission gear, one side of the transmission gear is meshed with one side gear of the bevel gear, one side of the transmission gear II is meshed with one side gear of the bevel gear II, when the motor shaft drives the transmission shaft to rotate, the bevel gear and the bevel gear II on the surface of the transmission shaft simultaneously rotate, and the bevel gear II drives the transmission gear II to rotate in the opposite direction, so that the upper pump gear and the lower pump gear simultaneously rotate.
The technical scheme of the utility model is further improved as follows: through the cooperation of transmission shaft, helical gear two, connecting axle, drive gear, connecting axle two and drive gear two, need not to go up pump gear and drive pump gear down and rotate, reduce the friction loss between them.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a high-speed heavy-load hydraulic pump, which is characterized in that a limiting block at the bottom end of a motor shaft is arranged in a limiting groove at the top of the transmission shaft through the cooperation of a transmission shaft, a limiting groove, a motor shaft, a limiting block, an opening, a connecting ring, a push rod, a fixing block, a spring, a connecting rod and a clamping block, one end of the motor shaft is positioned in the connecting ring, one end of the clamping block is positioned at one horizontal side of the opening, the clamping block is lifted on the surface of a groove through rotating a threaded sleeve, when the threaded sleeve is lifted to the top end of the groove, the push rod is extruded to the top by the threaded sleeve to move towards the top, the spring is contracted by the pressure of the push rod, one end of the connecting rod rotates around the surface of the push rod when the push rod is lifted to drive the top end of the connecting rod to move rightwards, and the connecting rod pushes out the clamping block, so that one end of the clamping block is positioned in the opening, and the motor shaft cannot be taken out, thereby achieving the effect of mounting and fixing the motor shaft and the transmission shaft.
2. The utility model provides a high-speed heavy-load hydraulic pump, which is characterized in that a transmission shaft, a bevel gear II, a connecting shaft, a transmission gear, a connecting shaft II and a transmission gear II are matched, when a motor shaft drives the transmission shaft to rotate, the bevel gear and the bevel gear II on the surface of the transmission shaft simultaneously rotate, the bevel gear drives the transmission gear to rotate, and the bevel gear II drives the transmission gear II to rotate in the opposite direction, so that an upper pump gear and a lower pump gear simultaneously rotate, the upper pump gear does not need to drive the lower pump gear to rotate, and friction loss between the upper pump gear and the lower pump gear is reduced.
Drawings
FIG. 1 is a schematic perspective view of a main body of the present utility model;
FIG. 2 is a schematic view of a motor shaft connection structure of the present utility model;
FIG. 3 is a schematic view of the internal structure of the hydraulic pump of the present utility model;
FIG. 4 is a schematic view of a partial cross-sectional structure of a connecting ring according to the present utility model;
in fig. 1-4: 1. a hydraulic pump; 11. a liquid inlet; 2. a transmission shaft; 21. a limit groove; 22. bevel gear; 23. a helical gear II; 3. a connecting ring; 31. a groove; 32. a thread sleeve; 33. a push rod; 34. a fixed block; 35. a spring; 36. a connecting rod; 37. a clamping block; 4. a motor shaft; 41. a limiting block; 42. an opening; 5. a pump gear is arranged; 51. a connecting shaft; 52. a transmission gear; 6. a lower pump gear; 61. a second connecting shaft; 62. and a transmission gear II.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Example 1
The high-speed heavy-load hydraulic pump comprises a hydraulic pump 1, a transmission shaft 2, a connecting ring 3 and a motor shaft 4, wherein a liquid inlet 11 is fixedly arranged on the surface of the hydraulic pump 1, the inner side of the connecting ring 3 is fixedly connected with the surface of the transmission shaft 2, an upper pump gear 5 and a lower pump gear 6 are arranged in the hydraulic pump 1, clamping blocks 37 are arranged on the inner side of the connecting ring 3, a limit groove 21 is formed in the top of the transmission shaft 2, a limit block 41 is fixedly arranged at the bottom of the motor shaft 4, the size of the limit block 41 is the same as that of the limit groove 21, openings 42 are formed in the surface of the motor shaft 4, grooves 31 are formed in the surface of the connecting ring 3, threads are formed in the surface of the grooves 31, thread sleeves 32 are connected to the surface of the grooves 31, push rods 33 are movably arranged at one ends of the connecting ring 3, fixing blocks 34 are fixedly arranged in the inner side of the connecting ring 3, the limit block 41 at the bottom of the motor shaft 4 is placed in the limit groove 21 at the top of the transmission shaft 2, one end of the motor shaft 4 is located in the connecting ring 3, one end of the clamping blocks 37 is located on one side of the horizontal side of the openings 42, and the surfaces of the grooves 31 are located on the top of the grooves 31 through rotating the thread sleeves 32.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, one end of the push rod 33 is movably connected in the fixing block 34, one end of the push rod 33 is fixedly connected with the spring 35, one end of the spring 35 is fixedly connected with the inner wall of the connecting ring 3, the surface of the push rod 33 is movably provided with the connecting rod 36, one end of the connecting rod 36 is movably connected with one end of the clamping block 37, when the threaded sleeve 32 rises to the top end of the groove 31, the push rod 33 is extruded by the threaded sleeve 32 to move to the top, the spring 35 is compressed by the push rod 33, one end of the connecting rod 36 rotates around the surface of the push rod 33 when the push rod 33 rises to drive the top end of the connecting rod 36 to move rightwards, the connecting rod 36 pushes the clamping block 37 out, one end of the clamping block 37 is positioned in the opening 42, and at the moment, the motor shaft 4 cannot be taken out, so that the effect of mounting and fixing the motor shaft 4 and the transmission shaft 2 is achieved.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the bottom of the transmission shaft 2 is movably connected with the inner wall of the hydraulic pump 1, the bevel gear 22 and the bevel gear two 23 are fixedly installed on the surface of the transmission shaft 2, the structures of the bevel gear 22 and the bevel gear two 23 are the same and opposite in direction, the two ends of the upper pump gear 5 are fixedly connected with the connecting shaft two 61, one side of the connecting shaft 51 is fixedly connected with the transmission gear 52, one side of the transmission gear 52 is meshed with one side gear of the bevel gear 22, one side of the connecting shaft two 61 is fixedly connected with the transmission gear two 62, one side of the transmission gear two 62 is meshed with one side gear of the bevel gear two 23, when the motor shaft 4 drives the transmission shaft 2 to rotate, the bevel gear 22 and the bevel gear two 23 simultaneously rotate, the bevel gear two 23 drives the transmission gear two 62 to rotate in opposite directions, so that the upper pump gear 5 and the lower pump gear 6 simultaneously rotate, the upper pump gear 5 does not need to drive the lower pump gear 6 to rotate, and friction loss between the lower pump gear 6 is reduced.
The principle of the high-speed heavy-load hydraulic pump is specifically described below.
As shown in fig. 1-4, the limiting block 41 at the bottom end of the motor shaft 4 is placed in the limiting groove 21 at the top of the transmission shaft 2, at this time, one end of the motor shaft 4 is located in the connecting ring 3, one end of the clamping block 37 is located at one horizontal side of the opening 42, the threaded sleeve 32 is rotated to enable the motor shaft to ascend on the surface of the groove 31, the motor shaft is located at the top end of the groove 31, when the threaded sleeve 32 ascends to the top end of the groove 31, the push rod 33 is extruded to move towards the top by the threaded sleeve 32, the spring 35 is compressed by the push rod 33, one end of the connecting rod 36 rotates around the surface of the push rod 33 when the push rod 33 ascends, the push rod 33 ascends to drive the top end of the connecting rod 36 to move rightwards, the clamping block 37 is pushed out by the connecting rod 36, one end of the clamping block 37 is located in the opening 42, at this time, the motor shaft 4 cannot be taken out, the effect of mounting and fixing the motor shaft 4 and the transmission shaft 2 is achieved, when the motor shaft 4 drives the transmission shaft 2 to rotate, the bevel gear 22 and the bevel gear 23 rotate on the surface of the transmission shaft 2, the bevel gear 22 drives the transmission gear 52, the bevel gear to rotate, the bevel gear 23, and the transmission gear 62 rotate in the opposite direction, the upper pump gear 5 and the lower pump gear 6 rotate, and the bevel gear 23, and the upper pump gear, and the when the bevel gear, and the friction gear 37.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a high-speed heavy load hydraulic pump, includes hydraulic pump (1), transmission shaft (2), go-between (3) and motor shaft (4), its characterized in that: the surface fixed mounting of hydraulic pump (1) has inlet (11), the inboard of go-between (3) is connected with the surface fixed of transmission shaft (2), the inside of hydraulic pump (1) is equipped with pump gear (5) and lower pump gear (6), the inboard of go-between (3) is equipped with fixture block (37) quantity and is four.
2. A high speed, heavy duty hydraulic pump according to claim 1, characterized in that: limiting grooves (21) are formed in the top of the transmission shaft (2), limiting blocks (41) are fixedly mounted at the bottom of the motor shaft (4), the size of each limiting block (41) is identical to that of each limiting groove (21), and the number of openings (42) formed in the surface of the motor shaft (4) is four.
3. A high speed, heavy duty hydraulic pump according to claim 1, characterized in that: the surface of go-between (3) has seted up recess (31), the surface of recess (31) is equipped with the screw thread, the surface threaded connection of recess (31) has thread bush (32), the one end movable mounting of go-between (3) has push rod (33) quantity four, the inside fixed mounting of go-between (3) has fixed block (34).
4. A high speed, heavy duty hydraulic pump according to claim 3, characterized in that: one end swing joint of push rod (33) is in the inside of fixed block (34), the one end fixedly connected with spring (35) of push rod (33), the one end and the inner wall fixed connection of go-between (3) of spring (35), the surface movable mounting of push rod (33) has connecting rod (36), the one end swing joint of connecting rod (36) and the one end swing joint of fixture block (37).
5. A high speed, heavy duty hydraulic pump according to claim 1, characterized in that: the bottom of transmission shaft (2) and the inner wall swing joint of hydraulic pump (1), the fixed surface mounting of transmission shaft (2) has helical gear (22) and helical gear two (23), the same opposite direction of structure of helical gear (22) and helical gear two (23), the both ends fixedly connected with connecting axle (51) of last pump gear (5), the both ends fixedly connected with connecting axle two (61) of lower pump gear (6).
6. The high-speed, heavy-duty hydraulic pump of claim 5, wherein: one side of the connecting shaft (51) is fixedly connected with a transmission gear (52), one side of the transmission gear (52) is meshed with one side of the bevel gear (22), one side of the connecting shaft II (61) is fixedly connected with a transmission gear II (62), and one side of the transmission gear II (62) is meshed with one side of the bevel gear II (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322390230.0U CN220687577U (en) | 2023-09-04 | 2023-09-04 | High-speed heavy-load hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322390230.0U CN220687577U (en) | 2023-09-04 | 2023-09-04 | High-speed heavy-load hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220687577U true CN220687577U (en) | 2024-03-29 |
Family
ID=90373972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322390230.0U Active CN220687577U (en) | 2023-09-04 | 2023-09-04 | High-speed heavy-load hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220687577U (en) |
-
2023
- 2023-09-04 CN CN202322390230.0U patent/CN220687577U/en active Active
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