CN221250744U - Busbar adjustable rotary positioning wire clamp - Google Patents
Busbar adjustable rotary positioning wire clampInfo
- Publication number
- CN221250744U CN221250744U CN202323157985.2U CN202323157985U CN221250744U CN 221250744 U CN221250744 U CN 221250744U CN 202323157985 U CN202323157985 U CN 202323157985U CN 221250744 U CN221250744 U CN 221250744U
- Authority
- CN
- China
- Prior art keywords
- adjusting screw
- busbar
- wire clamp
- clamp body
- clamping block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000670 limiting effect Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 abstract description 9
- 239000000725 suspension Substances 0.000 abstract description 6
- 230000008602 contraction Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 16
- 239000000758 substrate Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The utility model relates to the technical field of urban rail transit, and provides a busbar adjustable rotary positioning wire clamp which comprises a wire clamp body and a fixed clamping block, wherein the wire clamp body is used for clamping a busbar, and the fixed clamping block is used for being connected with an external support; the device also comprises an adjusting screw; one end of the adjusting screw is in threaded connection with the wire clamp body or the fixed clamping block, and the axis of the threads is parallel to the axis of the adjusting screw; the other end of the adjusting screw is rotationally connected with the fixed clamping block or the wire clamp body, and the axis of the rotational connection is parallel to the axis of the adjusting screw; the screw rod is rotated to enable the wire clamp body to be close to or far away from the fixed clamping block. The utility model can solve the problems that the relative position of the busbar in the existing rigid suspension contact net system can change due to thermal expansion and contraction or installation errors and the like, so that the position of the contact line is deviated and the power supply of the train is adversely affected when the utility model is matched with the rigid rotary cantilever.
Description
Technical Field
The utility model relates to the technical field of urban rail transit, in particular to a busbar adjustable rotary positioning wire clamp.
Background
The rigid suspension contact net for urban rail transit is a device for conveying electric energy for trains, is distinguished in a structural mode and can be divided into a vertical suspension type and a cantilever type; the vertical suspension type rigid suspension contact net system generally comprises a wire clamp body, a fixed clamping block and a bus bar, wherein the wire clamp body, the fixed clamping block and the bus bar are matched with the rigid rotary cantilever, one end of the fixed clamping block is connected with the wire clamp body, the other end of the fixed clamping block is connected with an external support, the wire clamp body is used for clamping the bus bar, and the function of suspending the contact line above a circuit can be achieved by clamping the contact line on the bus bar.
The existing suspension contact net system generally adopts a fixed structure, namely, a fixed clamping block is rigidly connected with a wire clamp body, but in the actual service process, the relative positions of the bus bars at different positions along the line can be changed due to various reasons, such as thermal expansion and contraction of the bus bars or installation errors of external supporting structures, so that the contact wires are correspondingly deformed, the positions of the contact wires are deviated, and the power supply of a train is further adversely affected.
Disclosure of utility model
The utility model aims at: the problems that the relative positions of the buses in the existing contact net system can change due to thermal expansion and contraction or installation errors and the like, so that the position of a contact line is deviated, and adverse effects can be caused on power supply of a train are solved, and the busbar adjustable rotary positioning wire clamp is provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a rotatory positioning wire clamp with adjustable busbar, includes fastener body and fixed fixture block, the fastener body is used for centre gripping busbar, fixed fixture block is used for with outside support connection; the device also comprises an adjusting screw; one end of the adjusting screw is in threaded connection with the wire clamp body or the fixed clamping block, and the axis of the threads is parallel to the axis of the adjusting screw; the other end of the adjusting screw is rotationally connected with the fixed clamping block or the wire clamp body, and the axis of the rotational connection is parallel to the axis of the adjusting screw; the screw rod is rotated to enable the wire clamp body to be close to or far away from the fixed clamping block.
The specific structures of the wire clamp body and the fixed clamping block can refer to the existing contact net system, and are respectively combined with the specific busbar shape and the external support shape for design, so long as the wire clamp body and the fixed clamping block can be respectively used for clamping the busbar and are connected with the external support.
One end of the adjusting screw is in threaded connection with the wire clamp body or the fixed clamping block, the other end of the adjusting screw is in threaded connection with the fixed clamping block or the wire clamp body, for example, one end of the adjusting screw is in threaded connection with the wire clamp body, the other end of the adjusting screw is in threaded connection with the fixed clamping block, or vice versa, one end of the adjusting screw is in threaded connection with the fixed clamping block, and the other end of the adjusting screw is in threaded connection with the wire clamp body.
The rotational connection may take various forms including, but not limited to, holes and shafts using a clearance fit or mounting rolling bearings.
According to the busbar adjustable rotary positioning wire clamp, the fixed clamping block and the wire clamp body are connected through the adjusting screw, one end of the adjusting screw is connected through threads to achieve the moving degree of freedom along the axis of the adjusting screw, one end of the adjusting screw is connected through rotation to achieve the rotating degree of freedom around the axis of the adjusting screw, when the fixed clamping block is connected to an external support, the moving degree of freedom and the rotating degree of freedom can be utilized to achieve the height and angle adjustment of the wire clamp body respectively, so that the position change of the busbar caused by thermal expansion and contraction or installation errors and other reasons can be adapted, the bottom surfaces of the busbars at different positions along a circuit are arranged on the same installation plane, and the consistency of the height of a contact wire and the stability of a train power supply effect can be guaranteed.
As a preferable scheme of the utility model, the wire clamp body is provided with a through hole structure, and the adjusting screw is in clearance fit with the through hole structure so as to be in rotary connection with the wire clamp body.
This scheme directly sets up the through-hole structure on the fastener body to realize rotating through the hole axle cooperation of through-hole structure and adjusting screw and be connected, when rotatory adjusting screw, the fastener body can be close to or keep away from fixed fixture block together with adjusting screw, thereby can avoid taking place along the relative motion of adjusting screw axis between adjusting screw and the fastener body, and then lead to adjusting screw and busbar to take place the condition of interference, this scheme still has simple structure, reliable operation, low cost's advantage simultaneously.
As a preferable scheme of the utility model, one end of the adjusting screw, which faces the busbar, is provided with a limit bump, a first nut is further connected to the adjusting screw in a threaded manner, the wire clamp body is positioned between the limit bump and the first nut, and a gap is formed between the wire clamp body and the first nut.
The limit bump can be in various forms, such as a round boss and a hexagonal boss; the limit bump may be a separate component connected to the adjusting screw, or may be a part of the adjusting screw, for example, a hexagon screw is used as the adjusting screw, and the hexagon head thereof may be used as the limit bump.
According to the scheme, the first nut and the limiting lug are matched to limit the moving freedom degree of the wire clamp body along the axial direction of the adjusting screw, the wire clamp body can be prevented from swinging up and down relative to the adjusting screw, the stability of the bus bar is further affected, and meanwhile, a gap is reserved between the wire clamp body and the first nut, so that the rotation of the wire clamp body is not affected; and adopt the fixed mode of this scheme, adjusting screw and first nut can directly adopt standard bolted connection spare and nut to can reduce from the quantity of finished piece, have higher standardization level, and then can reduce manufacturing cost, reduce inventory management pressure.
In a preferred embodiment of the present utility model, the first nut is provided with a first pin hole, the adjusting screw is provided with a second pin hole, and rotation of the first nut can align the axes of the first pin hole and the second pin hole.
According to the scheme, the first pin hole and the second pin hole which can be aligned are formed in the first nut and the adjusting screw respectively, after the first pin hole and the second pin hole are aligned, a pin is inserted into the first pin hole and the second pin hole, so that the relative positions of the first nut and the adjusting screw can be locked, and the condition that the first nut is loosened to cause the fixing failure of the wire clamp body can be avoided.
As a preferable scheme of the utility model, a shaft sleeve is also arranged in the through hole structure; the inner wall of the shaft sleeve is in clearance fit with the adjusting screw.
According to the scheme, the shaft sleeve is additionally arranged in the through hole structure, so that friction loss of the first nut and the through hole structure can be reduced, and the service life of the scheme is prolonged.
As a preferable scheme of the utility model, a threaded hole structure is arranged on the fixed clamping block, and the adjusting screw is in threaded connection with the threaded hole structure; the adjusting screw is also in threaded connection with a second nut; the second nut is abutted with the fixed clamping block.
The number of the second nuts is greater than or equal to one.
This scheme makes adjusting screw and fixed fixture block threaded connection to add the second nut with fixed fixture block butt on adjusting screw, on the one hand can prevent that fixed fixture block from taking place not hard up through the compress tightly of second nut fixed fixture block, on the other hand also can restrict adjusting screw and fixed fixture block's relative position, the emergence of restraining adjusting screw under external vibration is not hard up, and then the condition of spontaneous removal from top to bottom relative fixed fixture block, installs after adjusting screw accomplishes vertical altitude mixture control, can play the effect of locking.
As a preferable scheme of the utility model, the fixed clamping block is also provided with a limiting boss, the shape and the size of the limiting boss are matched with the through groove at the corresponding position of the external support, and the limiting boss is used for limiting the rotation freedom degree of the fixed clamping block.
This scheme can prevent at the in-process of rotatory adjusting screw, and fixed fixture block follows adjusting screw and takes place rotatory condition.
As a preferred embodiment of the present utility model, the clip body includes a base plate and a pressing plate, and a distance between the pressing plate and the base plate is adjustable so as to be able to clamp or unclamp the bus bar.
Adjustment of the spacing between the platen and the substrate may be achieved by a variety of adjustment structures including, but not limited to, kidney-shaped holes and screws.
As a preferable mode of the present utility model, the pressing plate is chamfered toward one end of the busbar, and the shape of the chamfer matches with the shape of the busbar at the corresponding position.
This scheme corresponds the shape chamfer of busbar in the one side of clamp plate orientation busbar, can increase the laminating degree of clamp plate and busbar to strengthen the fixed effect of clamp plate to the busbar, also can make the clamp plate be close to the busbar simultaneously, thereby make this scheme have more compact structure, the space occupies littleer.
As a preferable mode of the utility model, the adjusting screw is provided with a prismatic structure.
The prism structure includes, but is not limited to, triangular prism, quadrangular prism, and is matched with the tool used for rotating the adjusting screw.
This scheme increases prismatic structure on adjusting screw, can with the various spanner adaptations in the market to the operation of convenient rotatory adjusting screw.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. According to the busbar adjustable rotary positioning wire clamp, the fixed clamping block and the wire clamp body are connected through the adjusting screw, one end of the adjusting screw is connected through threads to achieve the moving degree of freedom along the axis of the adjusting screw, one end of the adjusting screw is connected through rotation to achieve the rotating degree of freedom around the axis of the adjusting screw, when the fixed clamping block is connected to an external support, the moving degree of freedom and the rotating degree of freedom can be utilized to achieve the height and angle adjustment of the wire clamp body respectively, so that the position change of the busbar caused by thermal expansion and contraction or installation errors and other reasons can be adapted, the bottom surfaces of the busbars at different positions along a circuit are arranged on the same installation plane, and the consistency of the height of a contact wire and the stability of a train power supply effect can be guaranteed.
2. The adjusting screw, the first nut and the second nut of this scheme all can directly adopt standard bolted connection spare and nut to can reduce from the quantity of finished piece, have higher standardization level, and then can reduce manufacturing cost, reduce inventory management pressure.
Drawings
FIG. 1 is a schematic perspective view of a busbar adjustable rotational positioning clamp of the present utility model;
FIG. 2 is a schematic diagram of a front view of a busbar adjustable rotational alignment clip according to the present utility model;
FIG. 3 is a schematic view in partial cross-section of a busbar adjustable swivel clamp of the present utility model;
FIG. 4 is a schematic view showing a front view of a busbar adjustable rotary positioning clamp mounted on an external support;
FIG. 5 is a schematic perspective view of an adjusting screw;
FIG. 6 is a schematic perspective view of a fixed latch;
fig. 7 is a schematic perspective view of a substrate;
Icon: 1-a wire clamp body; 2-fixing the clamping block; 3-adjusting a screw; 4-bus bars; 5-shaft sleeve; 6-a first nut; 7-a second nut; 8-an elastic pin shaft; 9-external support; 11-a substrate; 12-pressing plates; 13-via structures; 21-limiting bosses; 22-a threaded hole structure; 31-limit lugs; 32-prismatic structure.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1 to 7, the busbar adjustable rotary positioning wire clamp used in the present embodiment includes a wire clamp body 1 and a fixing clamp block, wherein the wire clamp body 1 is used for clamping a busbar 4, and the fixing clamp block is used for being connected with an external support 9; also comprises an adjusting screw 3; one end of the adjusting screw 3 is in threaded connection with the wire clamp body 1 or the fixed clamping block, and the axis of the threads is parallel to the axis of the adjusting screw 3; the other end of the adjusting screw 3 is rotationally connected with the fixed clamping block or the wire clamp body 1, and the axis of the rotational connection is parallel to the axis of the adjusting screw 3; the rotating screw rod can enable the wire clamp body 1 to be close to or far away from the fixed clamping block.
Specifically, the clamp body 1 includes a base plate 11 and a pressing plate 12, and the distance between the pressing plate 12 and the base plate 11 is adjustable so as to clamp or unclamp the busbar 4; for the present embodiment, as shown in fig. 1 to 4, the number of the pressing plates 12 is two, and they are respectively located on the left and right sides of the substrate 11; the base plate 11 is connected with the pressing plate 12 through a threaded connecting piece, and the base plate 11 can be close to or far away from the pressing plate 12 by rotating the threaded connecting piece, so that the busbar 4 is clamped or loosened;
Further, as shown in fig. 1 to 4, the pressing plate 12 is chamfered toward one end of the busbar 4, and the shape of the chamfer matches the shape at the corresponding position of the busbar 4. The specific chamfering position is that the pressing plate 12 is chamfered toward the upper side of one end of the busbar 4.
Be provided with the through-hole structure on the fastener body 1, thereby adjusting screw 3 and through-hole structure clearance fit rotate with fastener body 1 and be connected. The one end that adjustment screw 3 was provided with spacing lug 31 towards busbar 4, still threaded connection has first nut 6 on the adjustment screw 3, and fastener body 1 is located between spacing lug 31 and first nut 6, has the clearance between fastener body 1 and the first nut 6. For the present embodiment, the via structure is located in the center of the substrate 11; a through groove for accommodating the limit bump 31 is also arranged on the lower side of the substrate 11, so that the condition that the bottom of the limit bump 31 exceeds the bottom of the substrate 11 and interferes with the bus bar 4 is avoided; the adjusting screw 3 in the present embodiment is specifically a hexagon screw, and the hexagon head thereof is used as the limit bump 31; a flat gasket is further arranged between the limit bump 31 and the bottom surface of the substrate 11, so that the limit bump 31 is prevented from scratching the substrate 11; in order to facilitate rotating the adjusting screw 3, a prism structure 32 may be further disposed on the adjusting screw 3, in this embodiment, a quadrangular prism is disposed on the top of the adjusting screw 3, and the adjusting screw 3 may be rotated by clamping the prism structure 32 with a wrench;
Further, a first pin hole is formed in the first nut 6, a second pin hole is formed in the adjusting screw 3, and rotation of the first nut 6 can align the axes of the first pin hole and the second pin hole. In the embodiment, the axes of the first pin hole and the second pin hole are perpendicular to the adjusting screw 3; and as shown, the first pin hole and the second pin hole are aligned and can be used to mount the elastic pin shaft 8, thereby locking the relative positions of the first nut 6 and the adjusting screw 3.
A shaft sleeve 5 is also arranged in the through hole structure; the outer wall of the shaft sleeve 5 is in transition fit with the through hole structure, and the inner wall of the shaft sleeve 5 is in clearance fit with the adjusting screw 3.
As shown in fig. 6, through holes for installing the screw connection are distributed on the fixing clip so as to be connected to the external support 9 through the screw connection; the fixed clamping block is also provided with a limiting boss 21, the shape and the size of the limiting boss 21 are matched with the through groove at the corresponding position of the external support 9, and the limiting boss 21 is used for limiting the rotation freedom degree of the fixed clamping block; for the present embodiment, the limiting boss 21 is a rectangular boss disposed on the bottom surface of the fixed fixture block.
A threaded hole structure is arranged on the fixed clamping block, and the adjusting screw 3 is in threaded connection with the threaded hole structure; the adjusting screw 3 is also connected with a second nut 7 in a threaded manner; the second nut 7 is abutted with the fixed clamping block. For the present embodiment, as shown in fig. 2 to 4, the second nut 7 is located at the upper end of the adjustment screw 3 so as to be able to abut with the bottom surface thereof against the top surface of the fixed clip.
When the busbar adjustable rotary positioning wire clamp of the embodiment is installed, the limiting boss 21 at the bottom of the fixed clamping block can be aligned with the through groove at the corresponding position of the external support 9 and inserted, the fixed clamping block is adjusted to the designed installation position along the line direction, and the fixed clamping block is fixed on the external support 9 through the threaded connecting piece; aligning the wire clamp body 1 with the busbar 4, rotating the threaded connection between the base plate 11 and the pressing plate 12 to enable the pressing plate 12 to be far away from the base plate 11, enabling the top surface of the busbar 4 to be attached to the bottom surface of the base plate 11, and rotating the threaded connection between the base plate 11 and the pressing plate 12 again to enable the pressing plate 12 to be close to the base plate 11 until the pressing plate 12 and the base plate 11 clamp the busbar 4; the adjusting screw 3 is rotated to adjust the height of the busbar 4, and when the busbar 4 reaches the designated height, the second nut 7 is rotated until the lower surface of the second nut 7 is abutted with the top surface of the fixed clamping block, so that the relative position locking between the adjusting screw 3 and the fixed clamping block is realized; the installation of the busbar adjustable rotary positioning wire clamp is completed.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a busbar adjustable rotary positioning wire clamp, includes wire clamp body (1) and fixed fixture block (2), wire clamp body (1) are used for centre gripping busbar (4), fixed fixture block (2) are used for being connected with external support (9); characterized by also comprising an adjusting screw (3);
One end of the adjusting screw (3) is in threaded connection with the wire clamp body (1) or the fixed clamping block (2), and the axis of the threads is parallel to the axis of the adjusting screw (3); the other end of the adjusting screw (3) is rotationally connected with the fixed clamping block (2) or the wire clamp body (1), and the axis of the rotational connection is parallel to the axis of the adjusting screw (3); the screw rod is rotated to enable the wire clamp body (1) to be close to or far away from the fixed clamping block (2).
2. The busbar adjustable rotary positioning wire clamp according to claim 1, wherein a through hole structure (13) is arranged on the wire clamp body (1), and the adjusting screw (3) is in clearance fit with the through hole structure (13) so as to be in rotary connection with the wire clamp body (1).
3. The busbar adjustable rotary positioning wire clamp according to claim 2, wherein a limit bump (31) is arranged at one end of the adjusting screw (3) facing the busbar (4), a first nut (6) is further connected to the adjusting screw (3) in a threaded manner, the wire clamp body (1) is located between the limit bump (31) and the first nut (6), and a gap is formed between the wire clamp body (1) and the first nut (6).
4. A busbar adjustable swivel clamp according to claim 3, wherein the first nut (6) is provided with a first pin hole, the adjusting screw (3) is provided with a second pin hole, and rotation of the first nut (6) can align the axes of the first pin hole and the second pin hole.
5. The busbar adjustable rotary positioning clamp according to claim 2, wherein a shaft sleeve (5) is further arranged in the through hole structure (13); the inner wall of the shaft sleeve (5) is in clearance fit with the adjusting screw (3).
6. The busbar adjustable rotary positioning wire clamp according to claim 2, wherein a threaded hole structure (22) is arranged on the fixed clamping block (2), and the adjusting screw (3) is in threaded connection with the threaded hole structure (22); the adjusting screw (3) is also in threaded connection with a second nut (7); the second nut (7) is abutted with the fixed clamping block (2).
7. The busbar adjustable rotary positioning clamp according to any one of claims 1 to 6, wherein the fixed clamping block (2) is further provided with a limiting boss (21), the shape and the size of the limiting boss (21) are matched with the through groove at the corresponding position of the external support (9), and the limiting boss (21) is used for limiting the rotation freedom degree of the fixed clamping block (2).
8. A busbar adjustable swivel clamp according to any of claims 1 to 6, wherein the clamp body (1) comprises a base plate (11) and a pressure plate (12), the spacing between the pressure plate (12) and the base plate (11) being adjustable to enable clamping or unclamping of the busbar (4).
9. The busbar adjustable swivel clamp according to claim 8, characterized in that the pressure plate (12) is chamfered towards one end of the busbar (4), the shape of the chamfer matching the shape of the busbar (4) at the corresponding location.
10. A busbar adjustable swivel clamp according to any one of claims 1 to 6, characterized in that the adjusting screw (3) is provided with prismatic structures (32).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221250744U true CN221250744U (en) | 2024-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |