CN-224214919-U - Rotary oil supply joint and photovoltaic pile power head

CN224214919UCN 224214919 UCN224214919 UCN 224214919UCN-224214919-U

Abstract

The utility model relates to a rotary oil supply joint and a photovoltaic pile power head, wherein the rotary oil supply joint comprises an outer cylinder and an inner cylinder, the outer cylinder is in running fit with the inner cylinder, an annular groove is formed between the outer cylinder and the inner cylinder, a first channel is formed in the inner cylinder in a penetrating mode, one end of the first channel is communicated with the annular groove, a second channel is formed in the outer cylinder in a penetrating mode, and one end of the second channel is communicated with the annular groove. The problem that an oil delivery conduit of a hydraulic system is easy to wind when a hydraulic clamping system on a photovoltaic pile power head clamps and fixes a photovoltaic pile and rotates in the prior art is solved.

Inventors

ZHANG KUN
ZHANG SHANQIANG
Wu haian
JIANG SHOUCI
QIAN KUN

Assignees

江西旋进科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250822

Claims (10)

1. The rotary oil supply joint is characterized by comprising an outer cylinder and an inner cylinder, wherein the outer cylinder is in running fit with the inner cylinder, an annular groove is formed between the outer cylinder and the inner cylinder, a first channel is formed in the inner cylinder in a penetrating mode, one end of the first channel is communicated with the annular groove, a second channel is formed in the outer cylinder in a penetrating mode, and one end of the second channel is communicated with the annular groove.
2. The rotary oil feed joint according to claim 1, wherein the axis of the inner cylinder, the axis of the outer cylinder and the axis of the annular groove are collinear.
3. The rotary oil supply joint according to claim 1, wherein the number of the annular grooves is two, the two annular grooves are arranged at intervals along the axial direction of the inner cylinder, the number of the first channels is two and corresponds to the annular grooves one by one, and the number of the second channels is two and corresponds to the annular grooves one by one.
4. A photovoltaic pile power head comprises a rotary oil supply joint as claimed in any one of claims 1-3 and is characterized by further comprising a rotary driving piece and a hydraulic clamping mechanism, wherein an output shaft is fixedly arranged at the output end of the rotary driving piece, the hydraulic clamping mechanism is fixedly arranged on the output shaft, any one of an inner cylinder and an outer cylinder is fixedly arranged on the output shaft, an oil conveying guide pipe is arranged between the inner cylinder and the outer cylinder and the hydraulic clamping mechanism, and the other cylinder and the output shaft can rotate relatively.
5. The photovoltaic pile power head of claim 4, wherein the mounting frame is arranged on the outer side of the rotary driving piece, the rotary driving piece is fixedly arranged on the mounting frame, a rotation stopping plate is arranged between the inner cylinder and the mounting frame, one end of the rotation stopping plate is fixedly connected with the inner cylinder, and the other end of the rotation stopping plate is fixedly connected with the mounting frame.
6. The photovoltaic pile power head of claim 5, wherein the rotation stopping plate comprises an annular plate and an L-shaped plate, the top of the inner cylinder protrudes out of the outer cylinder, the annular plate is fixedly arranged at the top of the inner cylinder, one end of the L-shaped plate is fixedly connected with the outer side wall of the annular plate, and the other end of the L-shaped plate is fixedly connected with the mounting frame.
7. The photovoltaic pile power head of claim 4, wherein the output shaft is fixedly sleeved with a mounting plate, the hydraulic clamping mechanism comprises a clamping plate group and a telescopic piece group, the telescopic piece group comprises at least one hydraulic cylinder which is circumferentially arranged along the output shaft, the hydraulic cylinder is fixedly mounted on the mounting plate, and the clamping plate group comprises a plurality of pile clamping plates which are uniformly circumferentially arranged along the output shaft.
8. The photovoltaic pile power head of claim 7, wherein one pile clamping plate is fixedly mounted on the mounting plate, the remaining pile clamping plates are in one-to-one correspondence with the hydraulic cylinders, the telescopic ends of the hydraulic cylinders are fixedly connected with the outer sides of the corresponding pile clamping plates, and the hydraulic cylinders are used for driving the corresponding pile clamping plates to move in a direction approaching or separating from the output shaft.
9. The photovoltaic pile power head of claim 7, wherein the pile clamping plates are in one-to-one correspondence with the hydraulic cylinders, the telescopic ends of the hydraulic cylinders are fixedly connected with the outer sides of the corresponding pile clamping plates, and the hydraulic cylinders are used for driving the corresponding pile clamping plates to move in a direction approaching or separating from the output shaft.
10. The photovoltaic pile power head of claim 5, wherein the top of the mounting frame is fixedly provided with a connecting device.

Description

Rotary oil supply joint and photovoltaic pile power head Technical Field The utility model relates to the technical field of building construction equipment, in particular to a rotary oil supply joint and a photovoltaic pile power head. Background When bridge and culvert or high-rise building are constructed, the foundation may be driven to pile according to the requirement, and the current method for feeding the photovoltaic pile into the soil body mainly comprises a screw-in type, a hammering penetration type, a static load pressing-in type and a vibration penetration type. In the screw pile sinking process, downward pressure and torsion are applied to the photovoltaic pile by a pile machine power head and a drill rod, the photovoltaic pile is screwed into soil after being subjected to the downward pressure and torsion, the photovoltaic pile is clamped and fixed by a hydraulic system on the power head, and the hydraulic system rotates to drive the photovoltaic pile to synchronously rotate, so that an oil conveying conduit of the hydraulic system is easy to wind. Disclosure of utility model The utility model aims to provide a rotary oil supply joint to solve the problem that an oil delivery conduit of a hydraulic system is easy to wind when a hydraulic clamping system on the existing photovoltaic pile power head clamps and fixes a photovoltaic pile and rotates, and secondly aims to provide the photovoltaic pile power head. In order to achieve the above purpose, on the one hand, the technical scheme adopted by the utility model is as follows: The utility model provides a rotatory oil feed joint, includes urceolus and inner tube, urceolus and inner tube normal running fit, the ring channel has been seted up between urceolus and the inner tube, run through on the inner tube and set up first passageway, first passageway one end and ring channel intercommunication, run through on the urceolus and set up the second passageway, second passageway one end and ring channel intercommunication. Further, the axis of the inner cylinder, the axis of the outer cylinder and the axis of the annular groove are collinear. Further, the number of the annular grooves is two, the two annular grooves are arranged at intervals along the axial direction of the inner cylinder, the number of the first channels is two and corresponds to the annular grooves one by one, and the number of the second channels corresponds to the annular grooves one by one. On the other hand, the utility model also provides a photovoltaic pile power head which comprises the rotary oil supply joint, a rotary driving piece and a hydraulic clamping mechanism, wherein an output shaft is fixedly arranged at the output end of the rotary driving piece, the hydraulic clamping mechanism is fixedly arranged on the output shaft, any one of the inner cylinder and the outer cylinder is fixedly arranged on the output shaft, an oil conveying guide pipe is arranged between the inner cylinder and the outer cylinder and the hydraulic clamping mechanism, and the other one of the inner cylinder and the outer cylinder and the hydraulic clamping mechanism can rotate relative to the output shaft. Further, the rotary driving piece outside is equipped with the mounting bracket, rotary driving piece fixed mounting is on the mounting bracket, be provided with between inner tube and the mounting bracket and stop the rotating plate, it is fixed connection with inner tube to stop rotating plate one end, the other end and mounting bracket fixed connection. Further, the anti-rotation plate comprises an annular plate and an L-shaped plate, the top of the inner cylinder protrudes out of the outer cylinder, the annular plate is fixedly arranged at the top of the inner cylinder, one end of the L-shaped plate is fixedly connected with the outer side wall of the annular plate, and the other end of the L-shaped plate is fixedly connected with the mounting frame. Further, the hydraulic clamping mechanism comprises a clamping plate group and a telescopic piece group, the telescopic piece group comprises at least one hydraulic cylinder which is circumferentially arranged along the output shaft, the hydraulic cylinder is fixedly arranged on the mounting plate, and the clamping plate group comprises a plurality of pile clamping plates which are circumferentially and uniformly arranged along the output shaft. Further, one pile clamping plate is fixedly mounted on the mounting plate, the rest pile clamping plates are in one-to-one correspondence with the hydraulic cylinders, the telescopic ends of the hydraulic cylinders are fixedly connected with the outer sides of the corresponding pile clamping plates, and the hydraulic cylinders are used for driving the corresponding pile clamping plates to move in the direction approaching or far away from the output shaft. Further, pile clamping plates are in one-to-one correspondence with the hydraulic cylinders, the telescopic ends of the hydraulic cylinders are