CN220227590U - Main shaft clutch of water drilling machine - Google Patents
Main shaft clutch of water drilling machine Download PDFInfo
- Publication number
- CN220227590U CN220227590U CN202321648250.7U CN202321648250U CN220227590U CN 220227590 U CN220227590 U CN 220227590U CN 202321648250 U CN202321648250 U CN 202321648250U CN 220227590 U CN220227590 U CN 220227590U
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- gear
- spindle
- main shaft
- inner sleeve
- hydrodrill
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- 238000005553 drilling Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 230000003068 static effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Mechanical Operated Clutches (AREA)
Abstract
The utility model discloses a spindle clutch of a water drilling machine, which relates to the technical field of spindle clutches and comprises a spindle, wherein a first gear is arranged on the spindle, an inner sleeve is arranged on the spindle, the first gear is sleeved on the inner sleeve, an elastic piece is arranged on one side of the first gear, and a fastening piece is arranged on the other side of the first gear. The first gear and the inner sleeve are connected through the fastener and the elastic piece, when overload occurs, the torque of the first gear is larger than the static friction force between the first gear and the sheath, the first gear and the inner sleeve rotate relatively, overload protection is achieved, when the main shaft is required to be overhauled, the first gear, the inner sleeve and the elastic piece are sequentially taken down after the fastener is taken down, the disassembly and assembly time is short, and the main shaft is convenient to overhaul.
Description
Technical Field
The utility model relates to the technical field of spindle clutches, in particular to a spindle clutch of a water drilling machine.
Background
In the drilling process of the reinforced concrete drilling machine, steel bars are sometimes encountered, the phenomenon of jamming and overload occurs, so that the stator or the rotor of the motor burns out, a clutch structure is necessarily designed on a gear transmission shaft to overcome the problem of burning out the stator or the rotor, and when the motor is overloaded, the motor slips, the resistance is reduced, and the motor is protected from burning out.
If publication number is CN211202680U, 08 month 07 in 2020 discloses a clutch of water drilling machine, belongs to electric tool technical field. The problem that people are easy to hurt when the existing water drilling machine is blocked is solved. The clutch of the water drilling machine comprises a gear shaft, a gear, an elastic piece, a fastener and a flange piece, wherein a limiting part is arranged on the gear shaft, the gear is sleeved on the gear shaft and can rotate relative to the gear, the gear shaft and the gear are correspondingly connected with an output shaft and a motor, one end of the gear shaft sequentially penetrates through the gear, the flange piece and the elastic piece and then is connected with the fastener, the flange can axially move back and forth along the gear shaft and synchronously rotate in the circumferential direction, a clutch structure is arranged between the flange piece and the gear, and the clutch structure can be kept in a combined state by the flange piece under the action of axial elastic force of the elastic piece. The clutch disclosed by the above is complex in structure, long in disassembly and assembly time and inconvenient to maintain the main shaft.
Disclosure of Invention
The utility model aims to provide a water drilling machine spindle clutch which is convenient for maintaining a spindle. The utility model realizes overload protection through the connection of the inner sleeve, the elastic piece, the fixing piece and the main shaft, has simple integral structure and short disassembly and assembly time, and is convenient for maintaining the main shaft.
In order to achieve the above purpose, the technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a hydrodrill main shaft clutch, includes the main shaft, be equipped with first gear on the main shaft, be equipped with the endotheca on the main shaft, first gear cover is established on the endotheca, one side of first gear is equipped with the elastic component, the opposite side of first gear is equipped with the fastener.
As a still further aspect of the present utility model, the spindle is provided with a second gear.
As still further aspects of the present utility model, the elastic member is a belleville spring, one end of the belleville spring abuts against a side surface of the second gear, and the other end of the belleville spring abuts against the first gear.
As still further aspects of the present utility model, the fastener is a press plate nut, and the press plate nut is in threaded connection with the spindle.
As a still further proposal of the utility model, a friction plate is arranged between the disc spring and the first gear, and a friction plate is arranged between the pressing plate nut and the first gear.
As a still further proposal of the utility model, a pressing plate is arranged between the disc spring and the friction plate, and a pressing plate is arranged between the pressing plate nut and the friction plate.
As a still further scheme of the utility model, a groove is arranged on one side, close to the second gear, of the first gear, and a friction plate and a pressing plate between the first gear and the disc spring are arranged in the groove.
As a still further aspect of the present utility model, the main shaft is connected to the inner sleeve by a flat key.
As still further aspects of the present utility model, the friction plate and the pressure plate have a cross-sectional area greater than a cross-sectional area of the inner housing.
As a still further aspect of the present utility model, the main shaft and the second gear are integrally formed.
The beneficial effects of the utility model are as follows:
the first gear and the inner sleeve are connected through the fastening piece and the elastic piece, when overload occurs, the torque of the first gear is larger than the static friction force between the first gear and the sheath, the first gear and the inner sleeve rotate relatively, overload protection is achieved, when the main shaft is required to be overhauled, the first gear, the inner sleeve and the elastic piece are sequentially taken down after the fastening piece is taken down, the disassembly and assembly time is short, and the main shaft is convenient to overhaul;
friction force between the first gear and the inner sleeve is increased through friction plates arranged on two sides of the first gear, so that friction force between the first gear and the inner sleeve is increased conveniently, the second gear is convenient to rotate to drive the main shaft to rotate, and when the first gear and the inner sleeve rotate mutually, the speed reduction work of the main shaft is realized through the friction plates.
Drawings
Fig. 1 is a schematic structural view of a spindle clutch of a hydrodrill according to the present utility model.
In the accompanying drawings: the device comprises a main shaft 1, a first gear 2, a second gear 3, an inner sleeve 4, a disc spring 5, a pressing plate nut 6, a friction plate 7, a pressing plate 8, a groove 9 and a flat key 10.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
As shown in fig. 1, the spindle clutch of the water drilling machine comprises a spindle 1, a first gear 2 is arranged on the spindle 1, an inner sleeve 4 is arranged on the spindle 1, the first gear 2 is sleeved on the inner sleeve 4, an elastic piece is arranged on one side of the first gear 2, a fastening piece is arranged on the other side of the first gear 2, the first gear 2 is fixed on the inner sleeve 4 through the elastic piece and the fastening piece, when in overload, torque is larger than static friction force between the first gear 2 and the protective sleeve 4, the first gear 2 and the inner sleeve 4 rotate relatively, and therefore relative rotation occurs between the first gear 2 and the spindle 1, and overload protection is achieved.
When the water drilling machine is used, the first gear 2 and the inner sleeve 4 are pre-pressed through the fastening piece and the elastic piece, the first gear 2 and the inner sleeve 4 are axially extruded through the fastening piece and the elastic piece, so that the first gear 2 rotates to drive the main shaft 1 to rotate for normal operation of the water drilling machine, when overload occurs, the first gear 2 and the inner sleeve 4 rotate relatively to realize overload protection, and when the main shaft 1 needs to be overhauled, the first gear 2, the inner sleeve 4 and the elastic piece are sequentially taken down after the fastening piece is taken down, the disassembly and assembly time is short, and the main shaft 1 is convenient to overhaul.
Specifically, referring to fig. 1, a second gear 3 is disposed on the spindle 1, the second gear 3 not only performs a limiting operation on the elastic member, but also is meshed with an external gear set, so that the gear set drives the second gear 3 to rotate, and the spindle 1 rotates to drive the first gear 2 to rotate.
Referring to fig. 1, the elastic member is a belleville spring 5, one end of the belleville spring 5 is abutted against the side surface of the second gear 3, the other end of the belleville spring 5 is abutted against the first gear 2, the connection between the first gear 2 and the inner sleeve 4 is realized through the elasticity of the belleville spring 5, in this embodiment, the side with the larger area of the belleville spring 5 faces the first gear 2, a through hole is arranged on the belleville spring 5, and the belleville spring 5 is sleeved on the main shaft 1.
Referring to fig. 1, the fastener is a pressing plate nut 6, the pressing plate nut 6 is in threaded connection with the spindle 1, the position of the first gear 2 on the spindle 1 is fixed through the pressing plate nut 6, and specifically, an external thread matched with the pressing plate nut 6 is arranged on the spindle 1.
A friction plate 7 is arranged between the belleville spring 5 and the first gear 2, a friction plate 7 is arranged between the pressing plate nut 6 and the first gear 2, friction force between the first gear 2 and the inner sleeve 4 is increased through the friction plate 7, friction force between the first gear 2 and the inner sleeve 4 is increased conveniently, and therefore the second gear 2 is convenient to rotate to drive the main shaft 1 to rotate, and when the first gear 2 and the inner sleeve 4 rotate mutually, the speed reduction work of the main shaft 1 is realized through the friction plate 7.
The disc spring 5 and the friction plate 7 are provided with the pressing plate 8, the pressing plate nut 6 and the friction plate 7 are provided with the pressing plate 8, and the friction plate 7 is extruded through the pressing plate 8, so that uniform stress of the friction plate 7 is realized, and stable transmission torque and friction deceleration work of the friction plate 7 are realized.
The first gear 2 is provided with a groove 9 on one side close to the second gear 3, and a friction plate 7 and a pressing plate 8 between the first gear 2 and the disc spring 5 are arranged in the groove 9, so that limiting work is carried out through the groove 9 when the disc spring 5 is deformed, in the embodiment, the cross section of the groove 9 is circular, and the cross section area of the groove 9 is larger than the outer contour area of the disc spring 5 when the disc spring is not stressed.
The main shaft 1 is connected with the inner sleeve 4 through a flat key 10, so that the main shaft 1 rotates to drive the inner sleeve 4 to rotate, and in the embodiment, key grooves are formed in the main shaft 1 and the inner sleeve 4.
The cross-sectional area of the friction plate 7 and the pressing plate 8 is larger than that of the inner sleeve 4, so that the friction plate 7 is ensured to be stably contacted with the inner sleeve 4 and the first gear 2, and the friction plate 7 is stably contacted with the first gear 2 and the inner sleeve 4 when the first gear 2 slides.
The main shaft 1 and the second gear 3 are integrally formed, and the second gear 3 is directly processed on the main shaft 1, so that the external gear set is convenient to realize direct rotation of the second gear 3, the rotating shaft 1 is enabled to rotate, and the torque transmission efficiency is high.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a hydrodrill main shaft clutch, includes main shaft (1), be equipped with first gear (2) on main shaft (1), its characterized in that is equipped with endotheca (4) on main shaft (1), first gear (2) cover is established on endotheca (4), one side of first gear (2) is equipped with the elastic component, the opposite side of first gear (2) is equipped with the fastener.
2. A hydrodrill spindle clutch according to claim 1, characterized in that the spindle (1) is provided with a second gear (3).
3. The spindle clutch of a hydrodrill according to claim 2, characterized in that the elastic member is a belleville spring (5), one end of the belleville spring (5) is in contact with the side surface of the second gear (3), and the other end of the belleville spring (5) is in contact with the first gear (2).
4. A hydrodrill spindle clutch according to claim 3, characterized in that the fastener is a press plate nut (6), the press plate nut (6) being in threaded connection with the spindle (1).
5. The water drilling machine main shaft clutch according to claim 4, wherein a friction plate (7) is arranged between the belleville spring (5) and the first gear (2), and a friction plate (7) is arranged between the pressing plate nut (6) and the first gear (2).
6. The spindle clutch of a hydrodrill according to claim 5, characterized in that a pressing plate (8) is arranged between the belleville springs (5) and the friction plates (7), and a pressing plate (8) is arranged between the pressing plate nuts (6) and the friction plates (7).
7. The spindle clutch of a hydrodrill according to claim 6, characterized in that a groove (9) is provided on the first gear (2) on the side close to the second gear (3), and a friction plate (7) and a pressure plate (8) between the first gear (2) and the belleville spring (5) are provided in the groove (9).
8. The hydrodrill spindle clutch according to claim 5, characterized in that the spindle (1) is connected with the inner sleeve (4) by means of a flat key (10).
9. The hydrodrill spindle clutch according to claim 7, wherein the friction plate (7) and the pressure plate (8) have a cross-sectional area that is larger than the cross-sectional area of the inner sleeve (4).
10. The hydrodrill spindle clutch according to claim 7, characterized in that the spindle (1) and the second gear (3) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321648250.7U CN220227590U (en) | 2023-06-27 | 2023-06-27 | Main shaft clutch of water drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321648250.7U CN220227590U (en) | 2023-06-27 | 2023-06-27 | Main shaft clutch of water drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227590U true CN220227590U (en) | 2023-12-22 |
Family
ID=89196876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321648250.7U Active CN220227590U (en) | 2023-06-27 | 2023-06-27 | Main shaft clutch of water drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227590U (en) |
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2023
- 2023-06-27 CN CN202321648250.7U patent/CN220227590U/en active Active
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