CN208749291U - Anti- transmission shaft with overload protection reverses helicoid hydraulic motor - Google Patents
Anti- transmission shaft with overload protection reverses helicoid hydraulic motor Download PDFInfo
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- CN208749291U CN208749291U CN201821221919.3U CN201821221919U CN208749291U CN 208749291 U CN208749291 U CN 208749291U CN 201821221919 U CN201821221919 U CN 201821221919U CN 208749291 U CN208749291 U CN 208749291U
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- transmission shaft
- assembly
- overload protection
- hydraulic motor
- helicoid hydraulic
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Abstract
The utility model relates to helicoid hydraulic motor technical fields; more particularly to a kind of anti-transmission shaft with overload protection reverses helicoid hydraulic motor, including sequentially connected by-pass valve assembly, anti-lost assembly, the motor assembly of overload protection, universal axle assembly and anti-turn driving-shaft assembly；The overload protection motor assembly includes stator, hollow rotor and high pressure one-way overflow valve, and the hollow rotor is assembled in stator interior, and the high pressure one-way overflow valve is mounted on inside hollow rotor；The anti-turn driving-shaft assembly includes upper transverse bearing group, transmission shaft shell, thrust bearings, transmission shaft drop preventing mechanism, transmission shaft anti-inversion organization, lower radial bearing group and transmission shaft.The utility model uses one-way high-pressure structure of relief valve, so that the transmission mechanism of helicoid hydraulic motor is more safe and reliable；Using anti-turn driving-shaft assembly, so that will not transfer that transmission shaft opposing body is caused to reverse because of drill chuck in helicoid hydraulic motor use process, to reduce the risk of brick bit freezing.
Description
Technical field
The utility model relates to helicoid hydraulic motor technical field more particularly to a kind of anti-transmission shaft reversings with overload protection
Helicoid hydraulic motor.
Background technique
Helicoid hydraulic motor be at present be mainly used for directional well using a kind of most common well dynamic tool, horizontal well is made
Tiltedly and orientation construction is turned round, also some is in straight well operation or sidetracking operation.Helicoid hydraulic motor is one kind with drilling fluid
Be the positive displacement well dynamic tool of mechanical energy the pressure energy of drilling fluid for power, in the course of work driller motor into,
Outlet forms certain pressure difference, drive rotor does planetary motion stator type is intracavitary, and rotor is converted into universal shaft
Taper is swung, and the autobiography of rotor passes to drill bit by universal shaft and transmission shaft output, to realize drillng operation.In drilling well
In the process, the size of the torque of helicoid hydraulic motor output is proportional to the pressure difference of motor import and export.It may cause under limiting condition
Drill bit braking, motor is very big using disruptive pressure early period, and the pressure difference of motor inlet and outlet can be very big, thus universal shaft and transmission shaft
Very big torque will be born, is failed so as to cause universal shaft or transmission shaft；Motor is little using later period abrasion disruptive pressure
In the case where, when drill bit encounters very big resistance, the revolving speed of drill bit is possible to be lower than turntable or Top Drive RPM very
It is zero to revolving speed, the risks such as drill bit bit freezing occurs.Helicoid hydraulic motor failure cisco unity malfunction can all be caused in above-mentioned two situations.
Utility model content
The anti-transmission with overload protection that purpose of the utility model is to overcome the shortcomings of the above technology, and to provide a kind of
Axis reverses helicoid hydraulic motor.
In order to achieve the above object, the utility model adopts the following technical solutions: a kind of anti-transmission shaft with overload protection
Reverse helicoid hydraulic motor, it is characterised in that: including sequentially connected by-pass valve assembly, anti-lost assembly, overload protection motor assembly,
Universal axle assembly and anti-turn driving-shaft assembly；The overload protection motor assembly includes that stator, hollow rotor and high pressure are unidirectional
Overflow valve, the hollow rotor are assembled in stator interior, and the high pressure one-way overflow valve is mounted on inside hollow rotor；Institute
Stating anti-turn driving-shaft assembly includes upper transverse bearing group, transmission shaft shell, thrust bearings, transmission shaft drop preventing mechanism, transmission
Axis anti-inversion organization, lower radial bearing group and transmission shaft, the upper transverse bearing group are covered in the left end of the transmission shaft, the biography
Moving axis shell is mounted on the transmission shaft by the thrust bearings and the transmission axis connection, the transmission shaft drop preventing mechanism
Between shell and the transmission shaft, the lower radial bearing group is mounted on the right side of the transmission shaft shell, and the transmission shaft is anti-
Reverse winding mechanism is mounted between the transmission shaft drop preventing mechanism and the lower radial bearing group, and the anti-inversion organization is using unidirectional
Surmount roller-type ratchet.
Preferably, the transmission shaft anti-inversion organization includes inner ring, outer ring, roller, inner ring and the transmission axis connection, institute
It states outer ring to connect with the transmission shaft shell, the inside of the outer ring is equipped with oblique stay groove, and the ring weekly interval of inner ring is equipped with tiltedly convex
Platform, roller and the oblique stay groove and inclined platform cooperate.
Preferably, the high pressure one-way overflow valve includes valve rod, spring and valve seat, has overflow port, institute on the valve seat
The one end and the overflow port for stating valve rod cooperate, and the other end is mounted in the valve seat by spring.
The beneficial effects of the utility model are: compared with the existing technology, the utility model uses one-way high-pressure overflow valve
Structure, so that the transmission mechanism of helicoid hydraulic motor is more safe and reliable；Using anti-turn driving-shaft assembly, so that helicoid hydraulic motor makes
With that will not transfer to cause transmission shaft opposing body to reverse because of drill chuck in the process, to reduce the risk of brick bit freezing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the motor assembly of overload protection in the utility model；
Fig. 3 is the structural schematic diagram of anti-turn driving-shaft assembly in the utility model；
Fig. 4 is the structural schematic diagram that inner ring turns clockwise in Fig. 3；
Fig. 5 is the structural schematic diagram that inner ring turns counterclockwise in Fig. 3.
Specific embodiment
With reference to the accompanying drawing and specific embodiment of the present utility model is described in detail in preferred embodiment.As shown in Fig. 1,
A kind of anti-transmission shaft reversing helicoid hydraulic motor with overload protection, including sequentially connected by-pass valve assembly 1, anti-lost assembly 2, mistake
Carry motor assembly 3, universal axle assembly 4 and the anti-turn driving-shaft assembly 5 of protection；The overload protection motor assembly limits horse
Up to the maximum pressure drop of output, so that the peak torque of motor output is limited, to protect transmission mechanism.
As shown in Fig. 2, the overload protection motor assembly includes stator 31, hollow rotor 32 and high pressure one-way overflow valve
33, the hollow rotor is assembled in stator interior, and the high pressure one-way overflow valve is mounted on inside hollow rotor；The height
Pressure one-way overflow valve includes valve rod, spring and valve seat, has overflow port, one end of the valve rod and the overflow on the valve seat
Mouth cooperation, the other end are mounted in the valve seat by spring.
As in Figure 3-5, the anti-turn driving-shaft assembly includes upper transverse bearing group 51, transmission shaft shell 52, thrust
Bearing group 53, transmission shaft drop preventing mechanism 54, transmission shaft anti-inversion organization 55, lower radial bearing group 56 and transmission shaft 57, it is described on
Transverse bearing group is covered in the left end of the transmission shaft, and the transmission shaft shell is connected by the thrust bearings and the transmission shaft
It connects, the transmission shaft drop preventing mechanism is mounted between the transmission shaft shell and the transmission shaft, the lower radial bearing group peace
Mounted in the right side of the transmission shaft shell, the transmission shaft anti-inversion organization be mounted on the transmission shaft drop preventing mechanism and it is described under
Between transverse bearing group, the anti-inversion organization uses mono-directional overrun roller-type ratchet, the transmission shaft anti-inversion organization
Including inner ring, outer ring, roller, inner ring and the transmission axis connection, the outer ring is connect with the transmission shaft shell, the outer ring
Inside be equipped with oblique stay groove, the ring weekly interval of inner ring is equipped with inclined platform, roller and the oblique stay groove and inclined platform cooperates.When
When inner ring is rotated clockwise with respect to outer ring, the separated state of inside and outside circle tooth, inner ring zero load rotation；When inner ring is with respect to the outer ring inverse time
When needle rotates, cylinder is combined inside and outside tooth by rubbing, and prevents inner ring from rotating counterclockwise relative to outer ring, to play
The effect for preventing transmission shaft from reversing.The anti-turn driving-shaft assembly major function is guaranteed by transmission shaft anti-inversion organization
The revolving speed of helicoid hydraulic motor drill bit in the case where damage inactivation does not occur for ontology is more than or equal to turntable or Top Drive RPM.
The utility model uses one-way high-pressure structure of relief valve, so that the transmission mechanism of helicoid hydraulic motor more safely may be used
It leans on；Using anti-turn driving-shaft assembly, so that will not transfer to lead to transmission shaft because of drill chuck in helicoid hydraulic motor use process
Opposing body reverses, to reduce the risk of brick bit freezing.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (3)
1. a kind of anti-transmission shaft with overload protection reverses helicoid hydraulic motor, it is characterised in that: including sequentially connected by-passing valve
Assembly, anti-lost assembly, the motor assembly of overload protection, universal axle assembly and anti-turn driving-shaft assembly；The overload protection horse
It include stator, hollow rotor and high pressure one-way overflow valve up to assembly, the hollow rotor is assembled in stator interior, the height
Pressure one-way overflow valve is mounted on inside hollow rotor；The anti-turn driving-shaft assembly includes upper transverse bearing group, transmission axle housing
Body, thrust bearings, transmission shaft drop preventing mechanism, transmission shaft anti-inversion organization, lower radial bearing group and transmission shaft, the upper radial direction
Bearing group is covered in the left end of the transmission shaft, the transmission shaft shell by the thrust bearings and the transmission axis connection,
The transmission shaft drop preventing mechanism is mounted between the transmission shaft shell and the transmission shaft, and the lower radial bearing group is mounted on
The right side of the transmission shaft shell, the transmission shaft anti-inversion organization are mounted on the transmission shaft drop preventing mechanism and the lower radial direction
Between bearing group, the anti-inversion organization uses mono-directional overrun roller-type ratchet.
2. the anti-transmission shaft according to claim 1 with overload protection reverses helicoid hydraulic motor, it is characterised in that: the biography
Moving axis anti-inversion organization includes inner ring, outer ring, roller, inner ring and the transmission axis connection, the outer ring and the transmission axle housing
Body connection, the inside of the outer ring are equipped with oblique stay groove, and the ring weekly interval of inner ring is equipped with inclined platform, roller and the oblique stay groove
Cooperate with inclined platform.
3. the anti-transmission shaft according to claim 1 with overload protection reverses helicoid hydraulic motor, it is characterised in that: the height
Pressure one-way overflow valve includes valve rod, spring and valve seat, has overflow port, one end of the valve rod and the overflow on the valve seat
Mouth cooperation, the other end are mounted in the valve seat by spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821221919.3U CN208749291U (en) | 2018-07-31 | 2018-07-31 | Anti- transmission shaft with overload protection reverses helicoid hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821221919.3U CN208749291U (en) | 2018-07-31 | 2018-07-31 | Anti- transmission shaft with overload protection reverses helicoid hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208749291U true CN208749291U (en) | 2019-04-16 |
Family
ID=66059567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821221919.3U Active CN208749291U (en) | 2018-07-31 | 2018-07-31 | Anti- transmission shaft with overload protection reverses helicoid hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208749291U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868587A (en) * | 2018-07-31 | 2018-11-23 | 天津立林石油机械有限公司 | Anti- transmission shaft with overload protection reverses helicoid hydraulic motor |
| CN108868587B (en) * | 2018-07-31 | 2024-06-04 | 天津立林石油机械有限公司 | Anti-reverse screw drilling tool with overload protection for transmission shaft |
-
2018
- 2018-07-31 CN CN201821221919.3U patent/CN208749291U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868587A (en) * | 2018-07-31 | 2018-11-23 | 天津立林石油机械有限公司 | Anti- transmission shaft with overload protection reverses helicoid hydraulic motor |
| CN108868587B (en) * | 2018-07-31 | 2024-06-04 | 天津立林石油机械有限公司 | Anti-reverse screw drilling tool with overload protection for transmission shaft |
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