Range extender high-pressure oil pipe pier head positioning device for new energy automobile

Abstract

The invention relates to the field of positioning facilities, in particular to a range extender high-pressure oil pipe pier head positioning device for a new energy automobile, which comprises a positioning seat, a loading ring is mounted at the upper end of the positioning seat, four guide frames are slidably mounted on the outer side of the loading ring in an annular array penetrating manner, and outer columns are fixedly mounted at opposite ends of the four guide frames; the positions, close to the edges, of the outer surfaces of the four outer columns extend to form positioning arc claws, the outer surfaces of the four positioning arc claws are spherical, a center column is coaxially arranged on the side face of the carrying ring, a dispersing ring is slidably installed on the outer surface of the center column, and an expanding frame is connected between the dispersing ring and the guide frame; and magnetic ejection pieces are mounted at the end parts of the four outer columns. After positioning, the outer surface of the pier head can be fully exposed, follow-up machining is effectively facilitated, meanwhile, firmness after positioning is guaranteed, and the pier head cannot deform after positioning.

Description

Technical Field

[0001] The present invention relates to the field of positioning facilities, and in particular to a high-pressure oil pipe pier positioning device for a range extender for new energy vehicles. Background Art

[0002] The high-pressure fuel pipe of the range extender on new energy vehicles is a high-pressure fuel delivery pipeline connecting the internal components of the range extender, especially the fuel pump and the fuel injector. It is responsible for delivering high-pressure fuel from the fuel pump to the fuel injector, ensuring that the fuel is supplied to the engine with sufficient pressure and flow, thereby maintaining the normal operation of the range extender.

[0003] During the processing of large-diameter range extender high-pressure oil pipes, it is usually necessary to use a positioning device to position the pier head. However, most existing positioning devices position the pier head from the outside, which will result in part of the outer surface of the pier head being blocked by the positioning device after positioning, making subsequent processing inconvenient. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings existing in the background technology and to propose a high-pressure oil pipe pier positioning device for a range extender of a new energy vehicle.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is: a high-pressure oil pipe pier positioning device for a range extender of new energy vehicles, comprising a positioning seat, a carrier ring is installed on the upper end of the positioning seat, four guide frames are slidably installed through the outer annular array of the carrier ring, and the opposite ends of the four guide frames are fixedly installed with outer columns, and the outer surfaces of the four outer columns are extended with positioning arc claws near the edges, and the outer surfaces of the four positioning arc claws are spherical. A center column is coaxially arranged on the side of the carrier ring, and a dispersion ring is slidably installed on the outer surface of the center column, and a support frame is connected between the dispersion ring and the guide frame, magnetic top pieces are installed on the ends of the four outer columns, and a push ring is elastically installed on the side of the dispersion ring, and the push ring is slidably connected to the center column, a locking piece is arranged at the upper end edge of the push ring, and a slot rod is arranged on the outer side of the support frame, and the slot rod is connected to the push ring.

[0006] Preferably, two ring frames are symmetrically fixedly installed on the lower part of the carrier ring, the lower ends of the ring frames are fixed to the positioning seat, the outer surface of the carrier ring is inlaid with four guide sleeves in an annular array, the guide frames slide through the inside of the guide sleeves, a spring body is fixedly installed on the side of the dispersion ring, the end of the spring body is fixed to the push ring, and the center column passes through the inside of the spring body.

[0007] Preferably, a positioning cap is coaxially inlaid at one end of the center column, and four L-shaped frames are fixedly installed in a circular array on the outer surface of the positioning cap. The end of the L-shaped frame is fixed to the carrier ring, and an anti-drop cap is coaxially inlaid on the outer surface of the center column near the other end. Four ring connecting seats are extended in a circular array on the outer surface of the dispersion ring. One end of the support frame is rotatably installed inside the ring connecting seat, and frame connecting seats are extended at opposite ends of the four guide frames. The other end of the support frame is rotatably installed inside the frame connecting seat, and a rod seat is inlaid at the end of the slot rod, and the slot rod and the rod seat are integrally formed, and the end of the rod seat is fixed to the push ring.

[0008] Preferably, the locking piece includes a carrier sleeve fixedly mounted at the upper edge of the push ring, a fixing column is coaxially and elastically arranged inside the carrier sleeve, both ends of the fixing column pass through the upper and lower ends of the carrier sleeve, a pull ring is fixedly mounted on the upper end of the fixing column, the lower end of the fixing column passes through the outer surface of the push ring, the fixing column is slidably matched with the push ring, and the lower end surface of the fixing column is pressed tightly against the center column.

[0009] Preferably, a column disk is coaxially inlaid on the outer surface of the fixed column, and the column disk is attached to the inner wall of the carrier sleeve. A push column spring is wound around the outer side of the fixed column, one end of the push column spring is fixed to the upper end of the column disk, and the other end of the push column spring is fixed to the inner upper end of the carrier sleeve, and a fixing hole is opened at the upper end of the center column.

[0010] Preferably, the magnetic top piece includes four support blocks slidably mounted on the ends of four outer columns, a positioning top block is fixedly mounted on one end of the support block, inner columns are slidably mounted inside the four outer columns, a No. 2 large magnet is inlaid on one side of the support block, a No. 1 large magnet is arranged on the side of the No. 2 large magnet, the No. 1 large magnet is connected to the inner column, and the magnetism of the No. 2 large magnet and the opposite ends of the No. 1 large magnet are in a repulsive state.

[0011] Preferably, a loading slot is provided at the end of the outer column, the support block is slidably installed inside the loading slot, the front and rear end surfaces inside the loading slot are both provided with sliding slots, a protrusion is slidably installed inside the slide slot, the protrusion is embedded on the support block, a through hole is penetrated through the inner bottom surface of the loading slot, a fixed seat is embedded on the outer side of the No. 1 large magnet, the fixed seat passes through the inside of the through hole, the end of the fixed seat is fixed to the inner column, a small magnet No. 1 is embedded on the other side of the support block, and a small magnet No. 2 is embedded on the inner side surface of the loading slot, and the magnetism of the No. 1 small magnet and the No. 2 small magnet at the opposite ends are in a repulsive state.

[0012] Preferably, an outer seat extends from the side of the outer column, an inner seat extends from the side of the inner column, two guide columns are symmetrically fixedly installed on the side of the outer seat, the inner seat is slidably installed on the outer surface of the guide column, and the end of the guide column is coaxially inlaid with a column cap.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. Insert the pier head of the high-pressure oil pipe at the end of the outer column. At this time, push the push ring to drive the dispersion ring to move, and then drive the support frame to move, so as to lift the guide frame, so that the four outer columns can expand outward synchronously to fit closely on the hole wall of the pier head. At the same time, the positioning arc claws on the outer column support the spherical inner wall of the pier head to position the pier head. After the pier head of the high-pressure oil pipe is positioned, its outer surface can be fully exposed to facilitate processing and other operations.

[0015] 2. When the positioning arc claws on the outer column are supported on the spherical inner wall of the pier head, the dispersion ring just presses on the positioning cap, so that the positioning arc claws remain stationary. At the same time, the slot rod contacts the inner seat. At this time, continue to push the push ring, let the slot rod push the inner seat, so that the inner column slides in the outer column, and then drives the No. 1 large magnet to move, so as to push the support block through the repulsive force between the No. 1 large magnet and the No. 2 large magnet, and then drive the positioning top block to move, so as to support the side wall of the pier head, so that the pier head will not shift left and right under the dual positioning of the positioning top block and the positioning arc claws, so as to ensure the firmness after positioning. At the same time, under the action of the magnetic repulsion between the No. 1 large magnet and the No. 2 large magnet, the positioning top block is driven to move to support the side wall of the pier head, which can effectively avoid the phenomenon of excessive supporting force and ensure that the pier head will not be deformed after positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a high-pressure oil pipe pier positioning device for a range extender for new energy vehicles according to the present invention;

[0017] Figure 2 This is an internal view of a carrier sleeve of a high-pressure oil pipe pier positioning device for a range extender for a new energy vehicle according to the present invention;

[0018] Figure 3 This is a connection view of a carrier ring and a center column of a high-pressure oil pipe pier positioning device for a range extender for new energy vehicles according to the present invention;

[0019] Figure 4 This is a schematic diagram of the outer column of a high-pressure oil pipe pier positioning device for a range extender for new energy vehicles according to the present invention;

[0020] Figure 5 It is a schematic diagram of the positioning arc claw of a high-pressure oil pipe pier positioning device for a range extender for new energy vehicles according to the present invention;

[0021] Figure 6 This is an exploded view of the outer column and the support block of a high-pressure oil pipe pier positioning device for a range extender for new energy vehicles of the present invention;

[0022] Figure 7A schematic diagram of a high-pressure oil pipe of a high-pressure oil pipe pier positioning device for a range extender for a new energy vehicle according to the present invention;

[0023] Figure 8 This is a top view of the positioning arc claws, positioning top block and the inner wall support of the pier head of the high-pressure oil pipe of a range extender high-pressure oil pipe pier head positioning device for new energy vehicles of the present invention.

[0024] In the figure: 1, positioning seat; 2, ring frame; 3, carrier ring; 4, guide sleeve; 5, guide frame; 6, frame seat; 7, support frame; 8, ring seat; 9, groove rod; 10, rod seat; 11, push ring; 12, carrier sleeve; 13, spring body; 14, dispersion ring; 15, center column; 16, outer column; 17, positioning arc claw; 18, positioning top block; 19, outer seat; 20, inner seat; 21, guide column; 22, column cap; 23 , loading slot; 24, through hole; 25, slide groove; 26, protrusion; 27, support block; 28, small magnet No. 1; 29, small magnet No. 2; 30, inner column; 31, large magnet No. 1; 32, fixed seat; 33, positioning cap; 34, L-shaped frame; 35, anti-slip cap; 36, fixing hole; 37, fixing column; 38, push column spring; 39, column plate; 40, pull ring; 41, large magnet No. 2; 42, high-pressure oil pipe. DETAILED DESCRIPTION

[0025] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0026] like Figure 1-Figure 8The shown device is a high-pressure oil pipe pier head positioning device for a range extender of a new energy vehicle, comprising a positioning seat 1, which can be fixed on a workbench for use, a carrier ring 3 is installed on the upper end of the positioning seat 1, and four guide frames 5 are slidably installed through the outer annular array of the carrier ring 3, and the carrier ring 3 plays a role in bearing the guide frames 5, and the opposite ends of the four guide frames 5 are fixedly installed with outer columns 16, and the guide frames 5 play a role in guiding the outer columns 16. Positioning arc claws 17 are extended from the outer surfaces of the four outer columns 16 near the edges, and the outer surfaces of the four positioning arc claws 17 are all spherically arranged, which can allow them to fully contact the spherical inner wall in the pier head, and a center column 15 is coaxially arranged on the side of the carrier ring 3. The arc claws 17 can increase the contact surface between the outer column 16 and the pier head and improve the positioning force. A dispersion ring 14 is slidably installed on the outer surface of the central column 15. A support frame 7 is connected between the dispersion ring 14 and the guide frame 5. The dispersion ring 14 can drive the support frame 7 to move to push the guide frame 5. Magnetic top pieces are installed at the ends of the four outer columns 16. A push ring 11 is elastically installed on the side of the dispersion ring 14. The push ring 11 is slidably connected to the central column 15. The push ring 11 plays a role in pushing the dispersion ring 14. A locking piece is arranged at the upper edge of the push ring 11. A slot rod 9 is arranged on the outer side of the support frame 7. The slot rod 9 plays a role in pushing the inner column 30. The slot rod 9 is connected to the push ring 11.

[0027] Two ring frames 2 are symmetrically fixedly installed on the lower part of the carrier ring 3, and the lower ends of the ring frames 2 are fixed to the positioning seat 1. The ring frames 2 support and fix the carrier ring 3. Four guide sleeves 4 are embedded in the annular array on the outer surface of the carrier ring 3. The guide frame 5 slides through the inside of the guide sleeve 4. The guide sleeve 4 serves to allow the guide frame 5 to slide. A spring body 13 is fixedly installed on the side of the dispersion ring 14. The end of the spring body 13 is fixed to the push ring 11, and the center column 15 passes through the inside of the spring body 13. The spring body 13 can ensure that after the dispersion ring 14 is tightly pressed against the positioning cap 33, the push ring 11 can continue to move.

[0028] One end of the center column 15 is coaxially inlaid with a positioning cap 33, which serves to limit the moving position of the dispersion ring 14. Four L-shaped frames 34 are fixedly installed in an annular array on the outer surface of the positioning cap 33. The ends of the L-shaped frames 34 are fixed to the carrier ring 3, and the L-shaped frames 34 serve to connect and fix. The outer surface of the center column 15 is coaxially inlaid with an anti-slip cap 35 near the other end, which serves to prevent the push ring 11 and other components from separating from the center column 15. Four ring seats 8 are extended from the annular array on the outer surface, one end of the support frame 7 is rotatably installed inside the ring seat 8, and frame seats 6 are extended from the opposite ends of the four guide frames 5, and the other end of the support frame 7 is rotatably installed inside the frame seat 6. The ring seat 8 and the frame seat 6 both serve to facilitate the connection of the support frame 7. The end of the slot rod 9 is inlaid with a rod seat 10, and the slot rod 9 and the rod seat 10 are integrally formed. The rod seat 10 serves to support and fix the slot rod 9, and the end of the rod seat 10 is fixed to the push ring 11.

[0029] The locking piece includes a carrier sleeve 12 fixedly installed at the upper edge of the push ring 11, and a fixing column 37 is coaxially and elastically arranged inside the carrier sleeve 12. The carrier sleeve 12 serves to support the fixing column 37. Both ends of the fixing column 37 pass through the upper and lower ends of the carrier sleeve 12. A pull ring 40 is fixedly installed on the upper end of the fixing column 37, and the lower end of the fixing column 37 passes through the outer surface of the push ring 11. The pull ring 40 serves to facilitate the holding and pulling of the fixing column 37. The fixing column 37 is slidably matched with the push ring 11, and the lower end surface of the fixing column 37 is pressed tightly against the center column 15.

[0030] The outer surface of the fixed column 37 is coaxially inlaid with a column plate 39, and the column plate 39 is fitted to the inner wall of the carrier sleeve 12. The column plate 39 plays the role of being pushed by the push column spring 38. The outer side of the fixed column 37 is wrapped with a push column spring 38, and one end of the push column spring 38 is fixed to the upper end of the column plate 39. The push column spring 38 can push the fixed column 37 out so that the fixed column 37 is inserted into the fixing hole 36. The other end of the push column spring 38 is fixed to the inner upper end of the carrier sleeve 12. The upper end of the center column 15 is provided with a fixing hole 36. When the fixed column 37 is inserted into the fixing hole 36, it can automatically fix the moved push ring 11, and then fix the moved positioning arc claws 17, positioning top block 18 and other components, so that they can maintain the supporting operation on the pier head, so that the pier head can remain in a positioned state.

[0031] The magnetic top piece includes four support blocks 27 slidably mounted on the ends of the four outer columns 16, one end of the support block 27 is fixedly mounted with a positioning top block 18, the support block 27 plays the role of bearing the positioning top block 18, the inner column 30 is slidably mounted inside the four outer columns 16, one side of the support block 27 is inlaid with a No. 2 large magnet 41, and the side of the No. 2 large magnet 41 is provided with a No. 1 large magnet 31, the inner column 30 plays the role of driving the No. 1 large magnet 31 to move, the No. 1 large magnet 31 is connected to the inner column 30, and the magnetism of the No. 2 large magnet 41 and the No. 1 large magnet 31 at the opposite ends is in a repulsive state, and the positioning top block 18 can be pushed through the repulsive force of the No. 2 large magnet 41 and the No. 1 large magnet 31, so that it supports the side wall of the pier head, and at this time, with the support of the positioning arc claw 17, it can be ensured that the pier head will not shift left and right.

[0032] The end of the outer column 16 is provided with a loading slot 23, and the support block 27 is slidably installed inside the loading slot 23. The loading slot 23 serves to slide the support block 27. The front and rear end surfaces of the interior of the loading slot 23 are provided with a slide slot 25. The interior of the slide slot 25 is slidably installed with a protrusion 26. The cooperation between the slide slot 25 and the protrusion 26 serves to prevent the support block 27 from separating from the loading slot 23. The protrusion 26 is embedded in the support block 27. The inner bottom surface of the loading slot 23 is penetrated by a through hole 24. The outer side of the No. 1 large magnet 31 is embedded with a fixed seat 32. The through hole 24 serves to The fixed seat 32 passes through and can move. The fixed seat 32 passes through the inside of the through hole 24. The fixed seat 32 plays the role of supporting the large magnet No. 1 31. The end of the fixed seat 32 is fixed to the inner column 30. The other side of the support block 27 is inlaid with a small magnet No. 1 28. The inner side surface of the groove 23 is inlaid with a small magnet No. 29. The magnetism of the opposite ends of the small magnet No. 1 29 is in a repulsive state. The repulsive force between the small magnet No. 1 29 can be used to reset the positioning top block 18 after moving.

[0033] An outer seat 19 extends from the side of the outer column 16, and an inner seat 20 extends from the side of the inner column 30. Two guide columns 21 are symmetrically fixedly installed on the side of the outer seat 19. The outer seat 19 serves to support the guide columns 21. The inner seat 20 is slidably installed on the outer surface of the guide columns 21. The cooperation between the inner seat 20 and the guide columns 21 can guide the outer column 16 and the inner column 30. The end of the guide column 21 is coaxially inlaid with a column cap 22. The column cap 22 serves to prevent the outer column 16 and the inner column 30 from separating.

[0034] During positioning, the pier head portion of the high-pressure oil pipe 42 is inserted into the end of the outer column 16. At this time, the push ring 11 is manually pushed to drive the dispersion ring 14 to move, thereby driving the opening frame 7 to move, so as to lift the guide frame 5, so that the four outer columns 16 can expand outward synchronously to fit tightly against the hole wall of the pier head. At the same time, the positioning arc claws 17 on the outer column 16 are supported on the spherical inner wall in the pier head. At this time, the dispersion ring 14 just presses on the positioning cap 33, so that the positioning arc claws 17 remain stationary, and the groove rod 9 contacts the inner seat 20. At this time, the push ring 11 is continued to be pushed, so that the groove rod 9 pushes the inner seat 20, so that the inner column 30 slides in the outer column 16, thereby bringing The movable large magnet No. 1 31 moves, so as to push the support block 27 through the repulsive force between the large magnet No. 1 31 and the large magnet No. 2 41, and then drive the positioning top block 18 to move, so as to support the side wall of the pier head, so as to position the pier head. After positioning, the fixing column 37 in the carrier sleeve 12 just moves to the top of the fixing hole 36, and under the action of the pushing column spring 38, the fixing column 37 is pushed out and inserted into the fixing hole 36, so as to fix the moved push ring 11 by itself, and then fix the moved positioning arc claw 17, positioning top block 18 and other components, so that they maintain the supporting operation on the pier head, so that the pier head can remain in a positioned state.

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A high-pressure oil pipe pier positioning device for a range extender of a new energy vehicle, comprising a positioning seat (1), characterized in that: The upper end of the positioning seat (1) is mounted with a carrier ring (3), and four guide frames (5) are slidably mounted in an annular array on the outer side of the carrier ring (3), and the opposite ends of the four guide frames (5) are fixedly mounted with outer columns (16), and the outer surfaces of the four outer columns (16) are extended with positioning arc claws (17) near the edges, and the outer surfaces of the four positioning arc claws (17) are spherical, and the side of the carrier ring (3) is coaxially mounted with a central column (15), and the outer surface of the central column (15) is A dispersion ring (14) is slidably mounted on the surface, a support frame (7) is connected between the dispersion ring (14) and the guide frame (5), magnetic top pieces are mounted at the ends of the four outer columns (16), a push ring (11) is elastically mounted on the side of the dispersion ring (14), the push ring (11) is slidably connected to the center column (15), a locking piece is arranged at the upper edge of the push ring (11), a slot rod (9) is arranged on the outer side of the support frame (7), and the slot rod (9) is connected to the push ring (11).

2. A high-pressure oil pipe pier positioning device for a range extender for a new energy vehicle according to claim 1, characterized in that: Two ring frames (2) are symmetrically fixedly mounted on the lower part of the carrier ring (3), the lower ends of the ring frames (2) are fixed to the positioning seat (1), the outer surface of the carrier ring (3) is inlaid with four guide sleeves (4) in an annular array, the guide frame (5) slides through the inside of the guide sleeve (4), a spring body (13) is fixedly mounted on the side of the dispersion ring (14), the end of the spring body (13) is fixed to the push ring (11), and the center column (15) penetrates the inside of the spring body (13).

3. A high-pressure oil pipe pier positioning device for a range extender for a new energy vehicle according to claim 1, characterized in that: One end of the central column (15) is coaxially inlaid with a positioning cap (33), and four L-shaped frames (34) are fixedly installed in an annular array on the outer surface of the positioning cap (33). The end of the L-shaped frame (34) is fixed to the carrier ring (3). The outer surface of the central column (15) is coaxially inlaid with an anti-dropping cap (35) near the other end. The outer surface of the dispersion ring (14) is extended with four ring seats (8) in an annular array. One end of the support frame (7) is rotatably mounted inside the ring seat (8). The opposite ends of the four guide frames (5) are extended with a frame seat (6). The other end of the support frame (7) is rotatably mounted inside the frame seat (6). The end of the slot rod (9) is inlaid with a rod seat (10). The slot rod (9) and the rod seat (10) are integrally formed, and the end of the rod seat (10) is fixed to the push ring (11).

4. A high-pressure oil pipe pier positioning device for a range extender for a new energy vehicle according to claim 1, characterized in that: The locking element comprises a carrier sleeve (12) fixedly mounted at the upper edge of the push ring (11), a fixing column (37) being coaxially elastically arranged inside the carrier sleeve (12), two ends of the fixing column (37) passing through the upper and lower ends of the carrier sleeve (12), a pull ring (40) being fixedly mounted on the upper end of the fixing column (37), the lower end of the fixing column (37) passing through the outer surface of the push ring (11), the fixing column (37) being slidably matched with the push ring (11), and the lower end surface of the fixing column (37) being pressed tightly against the center column (15).

5. A high-pressure oil pipe pier positioning device for a range extender for a new energy vehicle according to claim 4, characterized in that: The outer surface of the fixed column (37) is coaxially inlaid with a column plate (39), and the column plate (39) is in contact with the inner wall of the carrier sleeve (12). A push column spring (38) is wound around the outer side of the fixed column (37), and one end of the push column spring (38) is fixed to the upper end of the column plate (39), and the other end of the push column spring (38) is fixed to the inner upper end of the carrier sleeve (12). A fixing hole (36) is provided at the upper end of the center column (15).

6. A high-pressure oil pipe pier positioning device for a range extender for a new energy vehicle according to claim 1, characterized in that: The magnetic top member comprises four support blocks (27) slidably mounted on the ends of four outer columns (16); a positioning top block (18) is fixedly mounted on one end of the support block (27); an inner column (30) is slidably mounted inside each of the four outer columns (16); a second large magnet (41) is inlaid on one side of the support block (27); a first large magnet (31) is arranged on the side of the second large magnet (41); the first large magnet (31) is connected to the inner column (30); and the magnetism of the second large magnet (41) and the first large magnet (31) at the opposite ends thereof are in a repulsive state.

7. A high-pressure oil pipe pier positioning device for a range extender for a new energy vehicle according to claim 6, characterized in that: A loading groove (23) is provided at the end of the outer column (16), and the support block (27) is slidably installed inside the loading groove (23). The front and rear end surfaces of the loading groove (23) are both provided with sliding grooves (25). A protrusion (26) is slidably installed inside the sliding groove (25), and the protrusion (26) is embedded in the support block (27). A through hole (24) is penetrated through the inner bottom surface of the loading groove (23). A fixed seat (32) is embedded on the outer side of the No. 1 large magnet (31), and the fixed seat (32) passes through the inside of the through hole (24). The end of the fixed seat (32) is fixed to the inner column (30). A small magnet (28) is embedded on the other side of the support block (27). A small magnet (29) is embedded on the inner side surface of the loading groove (23). The magnetic properties of the opposite ends of the small magnet (28) and the small magnet (29) are in a repulsive state.

8. The device for positioning a high-pressure oil pipe pier for a range extender of a new energy vehicle according to claim 7, characterized in that: An outer seat (19) extends from the side of the outer column (16), an inner seat (20) extends from the side of the inner column (30), two guide columns (21) are symmetrically fixedly mounted on the side of the outer seat (19), the inner seat (20) is slidably mounted on the outer surface of the guide column (21), and a column cap (22) is coaxially inlaid on the end of the guide column (21).

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