CN220857246U - High-current adjustable bus fastening device and low-voltage switch cabinet - Google Patents
High-current adjustable bus fastening device and low-voltage switch cabinet Download PDFInfo
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- CN220857246U CN220857246U CN202322516083.7U CN202322516083U CN220857246U CN 220857246 U CN220857246 U CN 220857246U CN 202322516083 U CN202322516083 U CN 202322516083U CN 220857246 U CN220857246 U CN 220857246U
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- 238000003825 pressing Methods 0.000 claims abstract description 51
- 239000002131 composite material Substances 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 10
- 238000005452 bending Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of low-voltage distribution equipment, in particular to a high-current adjustable bus fastening device and a low-voltage switch cabinet. The high current adjustable bus bar fastening device includes: a support; an upper pressing part arranged opposite to the supporting part; the clamping mechanism comprises a supporting chuck and a pressing chuck which are oppositely arranged, the pressing chuck is rotatably connected with the upper pressing piece, and the supporting chuck is rotatably connected with the supporting piece; the adjusting pieces are connected between the upper pressing piece and the supporting piece and used for adjusting the distance between the upper pressing piece and the supporting piece. The utility model can fix the bus of the low-voltage switch cabinet, and simultaneously, as the compression chuck is rotatably connected with the upper pressure reducer and the support chuck is rotatably connected with the support piece, the utility model can adapt to different included angles between the bus of the low-voltage switch cabinet and the support piece or the upper pressure reducer, and has good fixing effect on the bus; when the included angle appears at the low tension switchgear busbar both ends, when pressing from both sides tight fixed busbar, little damage to the busbar.
Description
Technical Field
The utility model relates to the technical field of low-voltage distribution equipment, in particular to a high-current adjustable bus fastening device and a low-voltage switch cabinet.
Background
The 0.4kv low-voltage power distribution cabinet mainly has the function of controlling and distributing the electric energy of the 0.4kv power distribution system. Today, with the increase of productivity of many industrial and mining enterprises, low-voltage cabinets with high current levels are increasingly applied, and high current often refers to a power distribution system of 6300A and above. The large-current low-voltage cabinet has the advantages that the large-load low-voltage cabinet has large main bus specifications, so that the conditions of vibration noise of the main bus, overhigh temperature of the cabinet body, cracking of a main bus frame and the like can occur in the operation process of the cabinet body, and serious hidden hazards are buried for long-term safe and reliable operation of the low-voltage cabinet.
At present, a special-shaped structure exists in a bus of a low-voltage switch cabinet, for example, a bending angle exists in the bus, a clamp for fixing the bus is difficult to adapt to the bending angle existing in the bus of the low-voltage switch cabinet, and when the bus is clamped and fixed, the bus is easy to damage, so that the bus is not beneficial to fixing.
Disclosure of utility model
The utility model provides a bus fastening device and a low-voltage switch cabinet, which solve the technical problems that a bus of the low-voltage switch cabinet with a special-shaped structure is difficult to fix and is easy to damage the bus.
The technical scheme for solving the technical problems is as follows:
a high current adjustable bus bar fastening device comprising:
a support;
An upper pressing member disposed opposite to the supporting member;
the clamping mechanism comprises a supporting chuck and a pressing chuck which are oppositely arranged and used for clamping the bus of the low-voltage switch cabinet, the pressing chuck is rotatably connected with the upper pressing piece, and the supporting chuck is rotatably connected with the supporting piece;
The adjusting pieces are connected between the upper pressing piece and the supporting piece and used for adjusting the distance between the upper pressing piece and the supporting piece.
The beneficial effects of the utility model are as follows: the supporting clamp head and the pressing clamp head are matched with each other, so that a bus of the low-voltage switch cabinet can be fixed, and meanwhile, as the pressing clamp head is rotatably connected with the upper pressing part, the supporting clamp head is rotatably connected with the supporting part, and therefore, the bus of the low-voltage switch cabinet can adapt to different included angles between the bus of the low-voltage switch cabinet and the supporting part or between the bus of the low-voltage switch cabinet and the upper pressing part, and a good fixing effect is achieved on the bus; particularly, when included angles appear at two ends of the bus of the low-voltage switch cabinet, the bus is clamped and fixed, and meanwhile, the damage to the bus is small.
Further, the support chucks are arranged at intervals along the length direction of the support piece; one or two clamping grooves are formed in each of the supporting clamp and the pressing clamp.
The beneficial effects are that: the supporting chuck is matched with the compressing chuck, so that a plurality of buses can be fixed; the bus clamping groove can prevent the bus from slipping between the supporting chuck and the compressing chuck, and the stability of the fixed bus is improved.
Further, at least one adjusting piece is arranged between every two adjacent supporting chucks; and at least two adjusting parts are arranged between the two ends of the upper pressing part and the supporting parts.
The beneficial effects are that: this arrangement of the adjusting element can improve the stability between the upper pressing element and the supporting element.
Further, the adjusting piece comprises a double-head screw rod and a nut, fixing holes are formed in the supporting piece and the upper pressing piece, and two ends of the double-head screw rod penetrate through the fixing holes and then are in threaded connection with the nut.
The beneficial effects are that: the nut screw mode is adopted, so that the nut screw can act between the upper pressing piece and the supporting piece to provide clamping force for clamping the bus.
Further, a first thread is arranged at the upper end of the adjusting piece, a first screw hole is formed in the upper pressing piece, and the first thread is in threaded connection with the first screw hole; the lower end of the adjusting piece is provided with a second thread, the supporting piece is provided with a second screw hole, and the second thread is in threaded connection with the second screw hole; the first thread is in a helical direction opposite to the second thread.
The beneficial effects are that: compared with the mode of adopting the nut to fix, only the adjusting piece is required to be rotated, the upper pressing piece and the supporting piece can be driven to be close to or far away from each other, the operation is relatively simple and convenient, and the clamping force can be provided for clamping the fixed bus.
Further, a rotation limiting mechanism is arranged on the upper pressing piece and/or the supporting piece; preferably, the rotary limiting mechanism comprises a limiting hole and a limiting column, the supporting chuck and/or the compressing chuck is/are provided with a jack, and one end of the limiting column penetrates through the limiting hole and is connected with the jack.
The beneficial effects are that: by adopting the rotation limiting mechanism, after the clamping head rotates to be clamped at an angle matched with the bus, the rotation position of the clamping head is locked, the clamping head is prevented from rotating, and the bus can be better protected.
Further, the limiting hole extends along an arc direction corresponding to the jack.
The beneficial effects are that: the limiting holes extend along the arc direction corresponding to the insertion holes, so that the clamping head can adapt to different rotation angles of the clamping head, and the rotation angles can be limited and locked.
Further, the limiting hole is a composite hole formed by intersecting at least two counter bores.
The beneficial effects are that: the crossed counter bores enable the small circular arcs and the large circular arcs of the arc-shaped composite holes to have protruding structures, so that on one hand, the effect of rotation locking can be achieved, and on the other hand, the locking is convenient according to the actual rotation condition.
Further, the shape of the cross section of the counter bore is the same as that of the cross section of the jack; the counter bore is round, square or diamond.
The beneficial effects are that: the limiting mode of the limiting column for locking the rotation of the chuck is enriched.
The utility model also provides a low-voltage switch cabinet, which comprises the high-current adjustable bus fastening device and is used for fixing buses.
In order to better fix the low-voltage switch cabinet bus, a plurality of high-current adjustable bus fastening devices are arranged at intervals along the extending direction of the low-voltage switch cabinet bus; the support of the high current adjustable busbar fastening device may be a cross beam of a low voltage switchgear.
Drawings
FIG. 1 is a schematic view of a bus bar fastening device of the present utility model;
FIG. 2 is a schematic view of the structure of the upper pressing member of the present utility model;
fig. 3 is a schematic view of the structure of the bus bar fastening device of the present utility model after fixing the bus bar.
In the drawings, the list of components represented by the various numbers is as follows:
1. a support; 2. an adjusting member; 3. a pressing piece; 4. compressing the clamping head; 5. supporting a chuck; 6. a rotation limiting mechanism; 7. and a bus.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
Examples
1-3, This embodiment provides a high current adjustable bus bar fastening device, comprising:
A support 1;
an upper pressing member 3 disposed opposite to the supporting member 1;
The clamping mechanism comprises a supporting chuck 5 and a pressing chuck 4 which are oppositely arranged and used for clamping a bus 7 of the low-voltage switch cabinet, the pressing chuck 4 is rotatably connected with the upper pressing piece 3, and the supporting chuck 5 is rotatably connected with the supporting piece 1;
And the adjusting members 2 are connected between the upper pressing member 3 and the supporting member 1 and are used for adjusting the distance between the upper pressing member 3 and the supporting member 1.
It should be noted that the supporting chuck and the pressing chuck are rotatably connected with the supporting member 1 or the upper pressing member 3 through a rotating shaft.
In some examples, the support cartridges 5 are provided in plurality at intervals along the length direction of the support 1; one or two clamping grooves are arranged on each supporting chuck 5 and each compressing chuck 4.
In some examples, at least one regulator 2 is provided between each adjacent two of the support chucks 5; and at least two adjusting pieces 2 are arranged between the two ends of the upper pressing piece 3 and the supporting piece 1.
In some examples, the adjusting member 2 includes a double-ended screw rod and a nut, and the supporting member 1 and the upper pressing member 3 are provided with fixing holes, and two ends of the double-ended screw rod penetrate through the fixing holes and are in threaded connection with the nut.
In some examples, the upper end of the adjusting piece 2 is provided with a first thread, the upper pressing piece 3 is provided with a first screw hole, and the first thread is in threaded connection with the first screw hole; the lower end of the adjusting piece 2 is provided with a second thread, the supporting piece 1 is provided with a second screw hole, and the second thread is in threaded connection with the second screw hole; the first thread is in the opposite helical direction as the second thread.
In some examples, the upper press 3 and/or the support 1 are provided with a rotation limiting mechanism 6; preferably, the rotation limiting mechanism 6 comprises a limiting hole and a limiting column, a jack is arranged on the supporting chuck 5 and/or the compressing chuck 4, and one end of the limiting column penetrates through the limiting hole and is connected with the jack.
In some examples, the limiting aperture extends in an arc corresponding to the receptacle.
In some examples, the limiting aperture is a composite aperture formed after the intersection of at least two counter bores.
In some examples, the counterbore is the same shape as the cross-section of the receptacle; the counter bore is round, square or diamond.
The embodiment also provides a low-voltage switch cabinet, which comprises the high-current adjustable bus fastening device for fixing the bus 7; the high-current adjustable bus fastening devices are arranged on the low-voltage switch cabinet at intervals along the extending direction of the bus, and when the bus has a folding angle, the supporting chuck and the compressing chuck can rotate to adapt to the shape of the bus which is clamped and fixed and are fixed by the limiting columns.
In the embodiment, the supporting chuck and the pressing chuck are matched with each other, so that the bus 7 of the low-voltage switch cabinet can be fixed, and meanwhile, as the pressing chuck is rotatably connected with the upper pressing part, the supporting chuck is rotatably connected with the supporting piece 1, so that different included angles between the bus 7 of the low-voltage switch cabinet and the supporting piece 1 or the upper pressing part 3 can be adapted, and a good fixing effect is achieved on the bus 7; particularly, when the included angle appears at the both ends of the bus 7 of the low-voltage switch cabinet, the bus 7 is clamped and fixed, and meanwhile, the damage to the bus 7 is small.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. A high current adjustable bus bar fastening device, comprising:
A support (1);
an upper pressing part (3) arranged opposite to the supporting part (1);
The clamping mechanism comprises a supporting chuck (5) and a pressing chuck (4) which are oppositely arranged and used for clamping a bus (7) of the low-voltage switch cabinet, the pressing chuck (4) is rotatably connected with the upper pressing piece (3), and the supporting chuck (5) is rotatably connected with the supporting piece (1);
The adjusting pieces (2) are connected between the upper pressing piece (3) and the supporting piece (1) and are used for adjusting the distance between the upper pressing piece (3) and the supporting piece (1).
2. The high-current adjustable busbar fastening device according to claim 1, characterized in that the support clips (5) are provided in plurality at intervals along the length direction of the support (1); one or two clamping grooves are formed in each of the supporting clamp heads (5) and the compressing clamp heads (4).
3. High current adjustable busbar fastening device according to claim 2, wherein at least one adjustment member (2) is provided between each adjacent two of the support clips (5); and at least two adjusting pieces (2) are arranged between the two ends of the upper pressing piece (3) and the supporting piece (1).
4. A high current adjustable busbar fastening device according to any one of claims 1 to 3, wherein the adjusting member (2) comprises a double-ended screw rod and a nut, fixing holes are formed in the supporting member (1) and the upper pressing member (3), and two ends of the double-ended screw rod penetrate through the fixing holes and are in threaded connection with the nut.
5. A high current adjustable busbar fastening device according to any one of claims 1 to 3, wherein a first screw thread is provided at the upper end of the adjusting member (2), and a first screw hole is provided in the upper pressing member (3), and the first screw thread is in threaded connection with the first screw hole; the lower end of the adjusting piece (2) is provided with a second thread, the supporting piece (1) is provided with a second screw hole, and the second thread is in threaded connection with the second screw hole; the first thread is in a helical direction opposite to the second thread.
6. A high current adjustable busbar fastening device according to any of claims 1-3, wherein the upper press (3) and/or the support (1) is provided with a rotation limiting mechanism (6); the rotary limiting mechanism (6) comprises a limiting hole and a limiting column, a jack is arranged on the supporting chuck (5) and/or the compressing chuck (4), and one end of the limiting column penetrates through the limiting hole and is connected with the jack.
7. The high current adjustable bus bar securing apparatus as defined in claim 6, wherein the limiting aperture extends in an arcuate direction with respect to the receptacle.
8. The high-current adjustable bus bar fastening device according to claim 7, wherein the limiting hole is a composite hole formed by intersecting at least two counter bores.
9. The high current adjustable bus bar securing apparatus as defined in claim 8, wherein the counterbore is the same shape as the cross-section of the receptacle; the counter bore is round, square or diamond.
10. A low voltage switchgear, characterized in that it comprises a high current adjustable busbar fastening device according to any one of claims 1-9 for fixing a busbar (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322516083.7U CN220857246U (en) | 2023-09-15 | 2023-09-15 | High-current adjustable bus fastening device and low-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322516083.7U CN220857246U (en) | 2023-09-15 | 2023-09-15 | High-current adjustable bus fastening device and low-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220857246U true CN220857246U (en) | 2024-04-26 |
Family
ID=90747275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322516083.7U Active CN220857246U (en) | 2023-09-15 | 2023-09-15 | High-current adjustable bus fastening device and low-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220857246U (en) |
-
2023
- 2023-09-15 CN CN202322516083.7U patent/CN220857246U/en active Active
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