CN218070421U

CN218070421U - Clamping connection structure for tubular bus

Info

Publication number: CN218070421U
Application number: CN202221744789.8U
Authority: CN
Inventors: 陈致辛; 马芸
Original assignee: Jiangsu Shilin Electrical Equipment Co Ltd
Current assignee: Jiangsu Shilin Electrical Equipment Co Ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-12-16
Anticipated expiration: 2032-07-08

Abstract

The utility model relates to a cast generating line technical field just discloses a joint formula connection structure for cast generating line, has solved present cast generating line welding and has easily appeared the phenomenon of ftractureing, and staple bolt bolted connection easily receives the not hard up problem that drops of expansion coefficient influence, and it includes connecting piece and cast generating line body, the connecting piece both ends all are connected with cast generating line body, and the connecting piece includes the plectane, and the plectane both ends all are connected with interior body, the utility model discloses, peg graft cast generating line body and connecting piece, then drive worm and worm wheel meshing transmission through twisting the handle, and then make the worm wheel drive the dwang and rotate, and then make the movable block of both sides can to the inboard motion in opposite directions for the movable block drives chucking piece and rotates around the round pin axle, thereby makes chucking piece lower extreme and cast generating line body contact gradually chucking, deuterogamies locking bolt and lock nut's screw-thread tightening mode, thereby further keeps firmly between cast generating line body and the connecting piece, and difficult pine takes off.

Description

Clamping connection structure for tubular bus

Technical Field

The utility model belongs to the technical field of the cast generating line, specifically be a joint formula connection structure for cast generating line.

Background

In a tubular busbar power transmission system, a welding or hoop bolt connection mode is generally adopted as a connection mode between two adjacent sections of busbars, the welding mode is prone to shaking due to the influence of the environment when the tubular busbar runs for a long time to cause cracking, the hoop bolt connection mode can only be fixed outside the tubular busbar, and the connection part can loosen and fall off along with the change of the thermal expansion coefficient, so that a clamping connection structure for the tubular busbar needs to be designed.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a joint formula connection structure for cast generating line, the effectual current cast generating line welding of having solved easily the fracture phenomenon appears, and staple bolt bolted connection easily receives the not hard up problem that drops of coefficient of expansion influence.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a joint formula connection structure for cast generating line, includes connecting piece and cast generating line body, the connecting piece both ends all are connected with cast generating line body, and the connecting piece includes the plectane, and the plectane both ends all are connected with interior body, and the interior body outside of both sides all is equipped with outer body, and outer body is connected with the plectane.

Preferably, the outer pipe body is arranged in a step-shaped structure, and a plug-in slot and a cavity are formed between the outer pipe body and the inner pipe body respectively.

Preferably, the mounting groove has all been seted up to the plectane both sides, and the inside through connection of mounting groove has the dwang, and the dwang both ends all extend to the mounting groove outside and the cavity inner wall of both sides rotate to be connected, and the dwang middle part is fixed to have cup jointed the worm wheel, and worm wheel one end meshing is connected with the worm, and the worm rotates with the mounting groove inner wall to be connected, and worm one end extends to the mounting groove external connection and has the handle.

Preferably, the external screw thread has all been seted up to dwang outer end both sides, and the external screw thread angle of both sides is opposite, and the outside both sides of dwang all overlap and are equipped with the movable block, movable block and external screw thread threaded connection, and movable block one end is rotated and is connected with the chucking piece, and chucking piece lower extreme is connected with the tooth, and the chucking piece rotates through round pin axle and cavity inner wall to be connected.

Preferably, one end of the moving block is connected with a sliding block, the sliding block is connected with the inner wall of the cavity in a sliding mode, a sliding groove is formed in the position, corresponding to the connecting position of the sliding block, of the inner wall of the cavity, and the sliding block is located in the sliding groove.

Preferably, both ends of the connecting piece are connected with locking bolts in a penetrating manner, and one end of each locking bolt is connected with a locking nut in a threaded manner.

Preferably, the connecting piece and the tubular busbar body are provided with connecting holes at the corresponding penetrating positions of the locking bolts.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses, through the setting of connecting piece, peg graft cast generating line body and connecting piece, then drive worm and worm wheel meshing transmission through twisting the handle, and then make the worm wheel drive the dwang and rotate, because the external screw thread angle of dwang outer end both sides is opposite, and then make the movable block of both sides can inside side relative motion, make the movable block drive the chucking piece and rotate around the round pin axle, thereby make chucking piece lower extreme and cast generating line body contact chucking gradually, and then cooperate the screw tightening mode of locking bolt and lock nut, thereby further keep firmly between cast generating line body and the connecting piece, and difficult pine takes off and drops;

(2) This is novel when needs are dismantled, at first with lock nut and the not hard up dismantlement of locking bolt, then drives the movable block outside to move in opposite directions through turning handle for chucking piece separates gradually with tubular busbar body, then extracts tubular busbar body and dismantles, and dismantles the convenience.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of the structure of the connecting member of the present invention;

in the figure: 1. a connecting member; 2. a tubular busbar body; 3. a circular plate; 4. an inner tube body; 5. an outer tube body; 6. inserting grooves; 7. a cavity; 8. mounting grooves; 9. rotating the rod; 10. a worm gear; 11. a worm; 12. a handle; 13. an external thread; 14. a moving block; 15. a clamping block; 16. teeth; 17. a pin shaft; 18. a slider; 19. a chute; 20. locking the bolt; 21. locking the nut; 22. and (4) connecting the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment one, given by fig. 1-3, the utility model discloses a connecting piece 1 and cast generating

line body

2, 1 both ends of connecting piece all are connected with cast generating line body 2, and connecting piece 1 includes

plectane

3, and 3 both ends of plectane all are connected with interior body 4, and the interior body 4 outside of both sides all is equipped with outer body 5, and outer body 5 is connected with plectane 3.

In the second embodiment, on the basis of the first embodiment, the outer tube 5 is arranged in a step-like structure, the insertion groove 6 and the cavity 7 are respectively formed between the outer tube 5 and the inner tube 4, the two sides of the circular plate 3 are both provided with the installation grooves 8, the inside of the installation groove 8 is connected with the rotating rods 9 in a penetrating manner, the two ends of the rotating rods 9 extend to the outside of the installation groove 8 and are rotatably connected with the inner walls of the cavities 7 at the two sides, the middle part of the rotating rods 9 is fixedly sleeved with the worm wheel 10, one end of the worm wheel 10 is engaged and connected with the worm 11, the worm 11 is rotatably connected with the inner wall of the installation groove 8, one end of the worm 11 extends to the outside of the installation groove 8 and is connected with the handle 12, the two sides of the outer end of the rotating rods 9 are both provided with the external threads 13, the angles of the external threads 13 at the two sides are opposite, and the two sides of the outside of the rotating rods 9 are both sleeved with the moving blocks 14, the moving block 14 is in threaded connection with the external threads 13, one end of the moving block 14 is rotatably connected with a clamping block 15, the lower end of the clamping block 15 is connected with teeth 16, when the clamping block 15 is clamped with the tubular bus body 2, the teeth 16 can increase pressing force between the teeth 16 and the tubular bus body 2, and connection stability is improved, the clamping block 15 is rotatably connected with the inner wall of the cavity 7 through a pin shaft 17, one end of the moving block 14 is connected with a sliding block 18, the sliding block 18 is slidably connected with the inner wall of the cavity 7, a sliding groove 19 is formed in the position, corresponding to the connecting portion of the sliding block 18, of the inner wall of the cavity 7, the sliding block 18 is located in the sliding groove 19, and when the rotating rod 9 rotates, the sliding block 18 moves along the sliding groove 19 conveniently, so that the moving block 14 can keep transverse movement.

Third embodiment, on the basis of first embodiment, connecting piece 1 both ends all through connection have locking bolt 20, and locking bolt 20 one end threaded connection has lock nut 21, and connecting piece 1 and tubular busbar body 2 correspond locking bolt 20 and run through the department and all seted up connecting hole 22, make things convenient for locking bolt 20 to run through connecting piece 1 and tubular busbar body 2 for it is difficult for taking off and drops to take off to connect between the two.

The working principle is as follows: when the tubular bus body 2 is connected, the tubular bus bodies 2 at two ends are correspondingly inserted into the insertion grooves 6 on the connecting piece 1 until the tubular bus bodies 2 abut against the side end of the circular plate 3, then the handle 12 is screwed to drive the worm 11 to rotate, the worm 11 is meshed with the worm wheel 10 for transmission, further the worm wheel 10 drives the rotating rod 9 to rotate, the moving block 14 is driven to move along with the rotation of the rotating rod 9, because the angles of the external threads 13 on two sides of the outer end of the rotating rod 9 are opposite, further the moving blocks 14 on two sides can move oppositely, when the tubular bus body 2 is fixed, the moving blocks 14 on two sides are driven to move inwards and oppositely through the rotating handle 12, further the moving block 14 drives the clamping block 15 to rotate around the pin shaft 17, the lower end of the clamping block 15 and the tubular bus body 2 are gradually contacted and clamped, then the locking bolt 20 penetrates through the connecting hole 22, and then the locking nut 21 is screwed with the locking bolt 20, and therefore the tubular bus body 2 and the connecting piece 1 are further kept firm and not easy to loosen and fall off.

On the contrary, when the tubular bus body 2 is detached loosely, the locking nut 21 and the locking bolt 20 are detached loosely through threads, and then the handle 12 drives the moving blocks 14 on the two sides to move outwards in opposite directions, so that the clamping block 15 rotates around the pin shaft 17, the lower end of the clamping block 15 is gradually separated from the tubular bus body 2 to be loosened, and then the tubular bus body 2 is separated from the connecting piece 1 to be detached.

Claims

1. The utility model provides a joint formula connection structure for cast generating line, includes connecting piece (1) and cast generating line body (2), its characterized in that: both ends of the connecting piece (1) are connected with tubular bus bodies (2), the connecting piece (1) comprises circular plates (3), both ends of each circular plate (3) are connected with inner tubes (4), the outer portions of the inner tubes (4) on both sides are respectively sleeved with an outer tube (5), and the outer tubes (5) are connected with the circular plates (3).

2. The tubular busbar clamping connection structure according to claim 1, wherein: the outer pipe body (5) is arranged in a step-shaped structure, and a plug-in slot (6) and a cavity (7) are formed between the outer pipe body (5) and the inner pipe body (4) respectively.

3. The tubular busbar clamping connection structure according to claim 1, wherein: mounting groove (8) have all been seted up to plectane (3) both sides, and mounting groove (8) inside through connection has dwang (9), and dwang (9) both ends all extend to mounting groove (8) outside and cavity (7) inner wall rotation connection of both sides, and dwang (9) middle part is fixed to be cup jointed worm wheel (10), and worm wheel (10) one end meshing is connected with worm (11), and worm (11) rotate with mounting groove (8) inner wall and are connected, and worm (11) one end extends to mounting groove (8) external connection has handle (12).

4. The tubular busbar clamping connection structure as claimed in claim 3, wherein: external screw thread (13) have all been seted up to dwang (9) outer end both sides, and external screw thread (13) angle of both sides is opposite, and the outside both sides of dwang (9) all overlap and are equipped with movable block (14), and movable block (14) and external screw thread (13) threaded connection, movable block (14) one end are rotated and are connected with chucking piece (15), and chucking piece (15) lower extreme is connected with tooth (16), and chucking piece (15) are connected with cavity (7) inner wall through round pin axle (17) and rotate.

5. The tubular busbar clamping connection structure according to claim 4, wherein: one end of the moving block (14) is connected with a sliding block (18), the sliding block (18) is in sliding connection with the inner wall of the cavity (7), a sliding groove (19) is formed in the inner wall of the cavity (7) corresponding to the joint of the sliding block (18), and the sliding block (18) is located in the sliding groove (19).

6. The tubular busbar clamping connection structure according to claim 1, wherein: both ends of the connecting piece (1) are respectively connected with a locking bolt (20) in a penetrating way, and one end of the locking bolt (20) is connected with a locking nut (21) in a threaded way.

7. The tubular busbar clamping connection structure according to claim 1, wherein: connecting holes (22) are formed in the penetrating positions of the connecting piece (1) and the tubular bus body (2) corresponding to the locking bolts (20).