CN211088952U

CN211088952U - Closed fixture

Info

Publication number: CN211088952U
Application number: CN201922131044.9U
Authority: CN
Inventors: 杨福奖; 杨静涛; 袁慧娟; 卫超; 罗盛弘; 李光; 赵龙; 党立坤
Original assignee: Shaanxi Elesafety Power Technology Co ltd
Current assignee: Shaanxi Elesafety Power Technology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-07-24
Anticipated expiration: 2029-12-02

Abstract

The utility model relates to a closed fixture relates to electric power system's technical field, and it includes two just to the card body of setting, two the draw-in groove of semicircle form is seted up to the just right one side of the card body, two under the closure state the draw-in groove is with the axle center, each the card body inner wall all is equipped with multiunit clamping components, clamping components include with the articulated shaft of card body inner wall articulated, with the piece, pass of supporting of articulated shaft rigid coupling the card body perisporium and with card body threaded connection's jackscrew, the jackscrew can with support tight piece and keep away from one side contact in card body axle center, the axis of articulated shaft with the tangent line of draw-in groove is parallel, establishes support tight piece and be close a lateral wall in draw-in groove axle center is for pressing from both sides tight face, it is equipped with curved chucking groove to press from both sides tight face, and the flange. The utility model discloses have can be with the more firm effect of steel cap centre gripping.

Description

Closed fixture

Technical Field

The utility model belongs to the technical field of electric power system's technique and specifically relates to a closed fixture is related to.

Background

When the rod porcelain insulator is overhauled, the steel caps on the rod porcelain insulators at the two ends of the rod porcelain insulator to be replaced are required to be clamped by fixtures, the force borne by the rod porcelain insulator to be replaced is transferred to the fixtures in the replacement process, and then an operator can replace the rod porcelain insulator.

Chinese patent with publication number CN207398719U discloses a general bottle supporting device, which comprises a fixture main body and a clamping cover, wherein one end of the clamping cover is hinged to the fixture main body, the other end of the clamping cover is connected to the fixture main body through a locking screw, a cavity matched with the appearance of an insulator is formed in the middle of the clamping cover and the fixture main body when the clamping cover and the fixture main body are closed, one end of the clamping cover is hinged to one end of the fixture main body through a pin shaft, the pin shaft is fixed on the fixture main body, a bar-shaped shaft hole matched with the pin shaft is arranged on the clamping cover, the height of the bar-shaped shaft hole is larger than the outer diameter of the pin shaft, a screw rod passing groove is arranged at one end of. When the insulator is replaced, a worker loosens the nut on the locking screw in a rotating mode, the clamping cover is opened, the insulator is placed in the cavity, then the clamping device is closed, the clamping cover is adjusted through the strip-shaped shaft hole in the process of closing the clamping device, the cavity of the clamping device is completely matched with the appearance of the insulator, the reversible locking screw is turned to be in a vertical state, and then the reversible locking screw and the nut on the locking screw are screwed.

In the prior art, as shown in fig. 7, a steel cap includes a ring-shaped tapered cap body and a flange integrally provided at an end of the cap body, wherein an edge of the flange extends to an outer side of the cap body.

The above prior art solutions have the following drawbacks: when the main body slides along the clamping cover, the main body and the clamping cover are difficult to form a standard circle, so that the steel cap is difficult to clamp.

Disclosure of Invention

The utility model aims at providing a closed fixture, it has the more firm effect that can be with the steel cap centre gripping to the not enough of prior art existence.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a closed fixture, includes two just to the card body that sets up, two the draw-in groove of semicircle form is seted up to the just right one side of the card body, two under the closure state draw-in groove is with the axle center, each the card body inner wall all is equipped with multiunit clamping components, clamping components include with card body inner wall articulated shaft, with the tight piece that supports of articulated shaft rigid coupling, pass card body perisporium and with card body threaded connection's jackscrew, the jackscrew can with support tight piece and keep away from one side contact in card body axle center, the axis of articulated shaft with the tangent line of draw-in groove is parallel, establishes support tight piece and be close a lateral wall in draw-in groove axle center is for pressing from both sides tight face, press from both sides tight face and be equipped with curved chucking groove, the flange can imb.

Through adopting above-mentioned technical scheme, when pressing from both sides the steel cap tightly, place the flange in the chucking groove, screw up the jackscrew again, the jackscrew promotes to press from both sides tight piece and promote when the articulated shaft pivoted and press from both sides tight piece and support tightly towards steel cap one side, until utilizing the chucking groove to fix the flange. The flange is fixed by arranging the clamping groove, so that circumferential clamping force can be provided for the steel cap, radial tension can be provided for the steel cap, and the steel cap can be fixed more firmly; the abutting block is abutted tightly by the aid of the jackscrew, so that the steel cap abutting device is applicable to steel caps of different models, the adjustable range of the jackscrew is large, and the adaptable steel caps are more in models.

The present invention may be further configured in a preferred embodiment as: the clamping surface inclines towards the periphery of the clamping body from the end part to one side of the clamping groove.

Through adopting above-mentioned technical scheme, when pressing from both sides the steel cap, because pressing from both sides tight piece and rotated certain angle, consequently will press from both sides tight face and can make pressing from both sides tight face and steel cap perisporium laminate more towards card body periphery slope by tip to chucking groove one side, can be with more firm of steel cap centre gripping.

The present invention may be further configured in a preferred embodiment as: the jackscrew is a butterfly screw.

Through adopting above-mentioned technical scheme, when screwing up the jackscrew, operating personnel twists the thumb screw, through establishing the jackscrew into the thumb screw, can make operating personnel need not with the help of other external force alright screw up the jackscrew, can improve operating personnel high altitude construction's security.

The present invention may be further configured in a preferred embodiment as: the clamping surface is parallel to a tangent of the clamping groove.

Through adopting above-mentioned technical scheme, will press from both sides tight face and tangent line parallel arrangement, its simple structure, the processing of being convenient for can effectively practice thrift economic cost.

The present invention may be further configured in a preferred embodiment as: the clamping surface is elastically connected with a plurality of abutting pieces on one side of the clamping groove, and an elastic piece is arranged between the clamping surface and the abutting pieces.

Through adopting above-mentioned technical scheme, when pressing from both sides the steel cap tightly with pressing from both sides tight piece, locate the chucking inslot with the flange card, will support tight piece and steel cap periphery laminating again, owing to support tight piece and press from both sides to be elastic connection between the tight piece, consequently each presss from both sides tight piece all can paste tightly with the steel cap periphery, can be with more firm of steel cap centre gripping.

The present invention may be further configured in a preferred embodiment as: and one side of the abutting sheet close to the axis of the card body is provided with an extrusion layer.

Through adopting above-mentioned technical scheme, when the tight piece of clamp was pressed from both sides the steel cap tight, extrusion layer and steel cap contact set up the extrusion layer and can closely laminate with steel cap perisporium, can press from both sides tight more firmly with the steel cap.

The present invention may be further configured in a preferred embodiment as: the elastic piece is a spring piece.

Through adopting above-mentioned technical scheme, establish the elastic component into the shell fragment, its simple structure, cost are lower.

The present invention may be further configured in a preferred embodiment as: the clamping surface is in an arc-shaped recess towards the direction far away from the axis of the clamping body, and the peripheral wall of the steel cap can be attached to the arc-shaped recess of the clamping surface.

Through adopting above-mentioned technical scheme, will press from both sides tight face and establish to circular-arc sunken, can make the contact between tight face of clamp and the steel cap become the face contact by line contact, can be with the more firm of steel cap fixation.

The present invention may be further configured in a preferred embodiment as: the abutting block is a titanium alloy block.

By adopting the technical scheme, the titanium alloy has extremely high hardness, the abutting block is set to be the titanium alloy block, the abutting block can be prevented from being broken, and the steel cap can be clamped more firmly.

The present invention may be further configured in a preferred embodiment as: any card body in two the card body is main card, another the card body is the auxiliary card, the rigid coupling has the lug respectively in main card perisporium both sides, main card with the arbitrary end of auxiliary card is articulated, the other end is equipped with and is used for with two the fixed fastening components of card body, fastening components including articulate in locking bolt on the main card, set up in auxiliary card perisporium and can supply locking bolt embedded recess, with locking bolt threaded connection's lock nut.

By adopting the technical scheme, when the two clamping bodies are locked by the fastening assembly, the locking bolt is inserted into the groove on the auxiliary card, and then the locking bolt and the locking nut are screwed down, so that the auxiliary card can be clamped between the locking nut and the main card.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the flange is clamped by the clamping groove, so that the steel cap can be clamped more firmly; the jackscrew is suitable for steel caps of various models, has a large adjustable range and high universality;

2. the top thread is set to be the butterfly screw, so that the top thread can be screwed down conveniently by operators, and the safety of the operators in high-altitude operation can be improved;

3. through setting up the tight piece of support and make the laminating between pressing from both sides tight piece and the steel cap inseparabler, can be with more firm of steel cap centre gripping.

Drawings

Fig. 1 is a schematic view of an overall structure of a first embodiment of the present invention, which is intended to show an installation manner of a card body and a steel cap;

fig. 2 is a schematic overall structure diagram of a first embodiment of the present invention, which is intended to show a specific structure of a clamping assembly;

FIG. 3 is a partial schematic view of the plane A-A of FIG. 2;

FIG. 4 is an enlarged partial schematic view of portion A of FIG. 3;

fig. 5 is a schematic view of the overall structure of the second embodiment of the present invention;

fig. 6 is a schematic structural view of a second embodiment of the present invention;

fig. 7 is a schematic structural diagram of the middle steel cap of the present invention.

In the figure, 11, an avoidance groove; 12. rotating the hole; 13. a card slot; 14. a master card; 141. a rotating groove; 142. a rotating shaft; 15. a secondary card; 16. a lug; 2. a fastening assembly; 22. locking the bolt; 23. a lock nut; 24. a groove; 25. a rotating ring; 3. a clamping assembly; 31. hinging a shaft; 32. a propping block; 33. carrying out top thread; 34. a clamping surface; 35. a clamping groove; 4. a propping sheet; 41. extruding the layer; 42. an elastic member; 5. a steel cap; 51. a cap body; 52. a flange.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

Referring to fig. 1, for the utility model discloses a closed fixture, including two card bodies just to setting up, the draw-in groove 13 of semicircle form is seted up to two just right one sides of card body, and two draw-in grooves 13 are with the axle center under the closed state.

Referring to fig. 1, any one of the two card bodies is a main card 14, the other card body is an auxiliary card 15, two sides of the peripheral wall of the main card 14 are respectively and integrally and fixedly connected with a lug 16, any end of the main card 14 is hinged with any end of the auxiliary card 15, and the other end of the main card is provided with a fastening component 2 for fixing the two card bodies; the end wall of the main card 14 is provided with a rotating groove 141, the inner wall of the rotating groove 141 is welded with a rotating shaft 142, the fastening assembly 2 comprises a locking bolt 22 rotatably connected with the rotating shaft 142, a groove 24 arranged on the peripheral wall of the auxiliary card 15 and used for embedding the locking bolt 22, and a locking nut 23 in threaded connection with the locking bolt 22, and the end part of the locking bolt 22 is welded with a rotating ring 25 rotatably connected with the peripheral wall of the rotating shaft 142.

Referring to fig. 1 and 2, each inner wall of the card body is provided with a plurality of sets of clamping assemblies 3, each inner wall of the card body in this embodiment is provided with 3 sets of clamping assemblies 3, and any clamping assembly 3 is located in the middle of the card slot 13, the other two sets of clamping assemblies 3 are located on both sides of the clamping assembly 3 located in the middle, and an included angle between the clamping assembly 3 located on the edge and the clamping assembly 3 located in the middle is 45 °.

Referring to fig. 2 and 3, the clamping assembly 3 includes a hinge shaft 31 hinged to the inner wall of the card body, a holding block 32 welded to the hinge shaft 31, and a top thread 33 passing through the peripheral wall of the card body and connected to the card body by screw thread; the inner wall of the clamp body is provided with avoidance grooves 11 which are in one-to-one correspondence with the abutting blocks 32, one ends of the abutting blocks 32 close to the axes of the clamping grooves 13 extend out of the avoidance grooves 11, the axes of the hinge shafts 31 are parallel to the tangent line of the clamping grooves 13, and the inner wall of the avoidance grooves 11 is provided with rotating holes 12 for the hinge shafts 31 to rotate; the top screw 33 can contact with one side of the abutting block 32 away from the axis of the slot 13, and the top screw 33 is a butterfly screw.

Referring to fig. 2 and 3, the abutting block 32 is a titanium alloy block, a side wall of the abutting block 32 close to the axis of the clamping groove 13 is a clamping surface 34, the clamping surface 34 is provided with an arc-shaped clamping groove 35, the flange 52 can be embedded into the clamping groove 35, and the clamping surface 34 inclines towards the periphery of the clamping body from the end part to one side of the clamping groove 35.

Referring to fig. 3 and 4, the clamping surface 34 is parallel to a tangent line of the clamping groove 13 (see fig. 2), the clamping surface 34 is elastically connected with a plurality of abutting pieces 4 on one side of the clamping groove 35, an extrusion layer 41 is arranged on one side of the abutting pieces 4 close to the axis of the clamping groove 13, the extrusion layer 41 is a rubber sheet adhered to the side wall of the abutting pieces 4 through glue, an elastic piece 42 is arranged between the clamping surface 34 and the abutting pieces 4, and the elastic piece 42 is a spring sheet with one end welded to the abutting pieces 4 and the other end welded to the clamping surface 34.

The implementation principle of the embodiment is as follows: during operation, firstly, the locking bolt 22 and the locking nut 23 are loosened, the two clamping bodies are opened, then the steel cap 5 is placed in an area surrounded by the two clamping bodies, finally, the two clamping bodies are fixed through the fastening assembly 2, the flange 52 of the steel cap 5 is clamped in the clamping groove 35 after the clamping bodies are fixed, and then the jackscrew 33 is screwed by an operator until the peripheral wall of the steel cap 5 is abutted by the abutting pieces 4, so that the steel cap 5 can be fixed. When the steel cap 5 is disassembled, the jackscrew 33 is reversely unscrewed, the fastening assembly 2 is opened, and finally the steel cap 5 can be taken out.

Example two

Referring to fig. 5 and 6, the present embodiment is different from the first embodiment mainly in that the clamping surface 34 is recessed in an arc shape in a direction away from the axis of the locking groove 13, and the circumferential wall of the steel cap 5 can be attached to the arc-shaped recess of the clamping surface 34.

The implementation principle of the embodiment is as follows: in operation, the arcuate depression of the clamping surface 34 may be brought into contact with the peripheral wall of the steel cap 5.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a closed fixture, includes two just to the card body that sets up, two draw-in groove (13) of semicircle form are seted up to the just right one side of the card body, two under the closure state draw-in groove (13) are with axle center, its characterized in that: each the card body inner wall all is equipped with multiunit clamping component (3), clamping component (3) include with card body inner wall articulated shaft (31), with supporting tight piece (32), the passing of articulated shaft (31) rigid coupling the card body perisporium and with card body threaded connection's jackscrew (33), jackscrew (33) can with support tight piece (32) and keep away from one side contact in card body axle center, the axis of articulated shaft (31) with draw-in groove (13) tangent line is parallel, establishes support tight piece (32) and be close draw-in groove (13) a lateral wall in axle center is for pressing from both sides tight face (34), it is equipped with curved chucking groove (35) to press from both sides tight face (34), and flange (52) can inlay in chucking groove (35).

2. A closing jig according to claim 1, wherein: the clamping surface (34) is inclined from the end part to the side of the clamping groove (35) towards the periphery of the clamping body.

3. A closing jig according to claim 1, wherein: the jackscrew (33) is a butterfly screw.

4. A closing jig according to claim 1, wherein: the clamping surface (34) is parallel to a tangent of the clamping groove (13).

5. A closing jig according to claim 4, wherein: the clamping surface (34) is elastically connected with a plurality of abutting pieces (4) on one side of the clamping groove (35), and an elastic piece (42) is arranged between the clamping surface (34) and the abutting pieces (4).

6. A closing jig according to claim 5, wherein: and one side of the abutting sheet (4) close to the axis of the clamp body is provided with a squeezing layer (41).

7. A closing jig according to claim 5, wherein: the elastic piece (42) is a spring piece.

8. A closing jig according to claim 1, wherein: the clamping surface (34) is in an arc-shaped recess towards the direction far away from the axis of the clamping body, and the peripheral wall of the steel cap (5) can be attached to the arc-shaped recess of the clamping surface (34).

9. A closing jig according to claim 1, wherein: the abutting block (32) is a titanium alloy block.

10. A closing jig according to claim 1, wherein: any card body is main card (14), another card body is vice card (15) in two card bodies, main card (14) perisporium both sides rigid coupling respectively has lug (16), main card (14) with vice card (15) arbitrary end is articulated, the other end is equipped with and is used for two fastening components (2) that the card body is fixed, fastening components (2) including articulate in locking bolt (22) on main card (14), set up in vice card (15) perisporium and can supply recess (24) of locking bolt (22) embedding, with locking nut (23) threaded connection of locking bolt (22).