CN105280402A - Mobile large-current contact finger mechanism - Google Patents
Mobile large-current contact finger mechanism Download PDFInfo
- Publication number
- CN105280402A CN105280402A CN201510668849.0A CN201510668849A CN105280402A CN 105280402 A CN105280402 A CN 105280402A CN 201510668849 A CN201510668849 A CN 201510668849A CN 105280402 A CN105280402 A CN 105280402A
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- fingertip
- contact finger
- support
- finger mechanism
- bearing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Contacts (AREA)
Abstract
The invention discloses a mobile large-current contact finger mechanism. The mechanism comprises a support and a contact finger copper bar installed on the support. The support comprises a bottom plate, a bearing installation plate connected to the bottom plate through a linear guide rail, and a top plate connected to the bearing installation plate through a ball bearing. Busbar clamping plates are fixedly installed on the top plate. A contact finger support is arranged on the contact finger copper bar, and a plurality of counterforce disk spring assemblies are arranged on the bottom end of the contact finger support. A hydraulic cylinder is arranged between the contact finger support and the contact finger copper bar. A plurality of contact fingers are arranged on the contact finger support. A contact finger disk spring is arranged between the contact fingers and the contact finger support. The mechanism is large in interface tolerance, flexible and reliable in movement, large in current-carrying capacity, long in life, and resistant to corrosion.
Description
Technical field
The invention belongs to DC low-voltage high-current switch technical field of electric appliances, be specifically related to a kind of portable big current contact finger mechanism.
Background technology
In the electrolysis production of non-ferrous metal, each group electrolysis tank that adopts is equipped with a shorting switch more, often when opening, stop the groove cycle longer be in idle state, shorting switch utilization rate is too low, causes the wasting of resources.
If use portable shorting switch, the short circuit that whole piece electrolysis production line only just can need realize between any two groups of electrolysis tanks with two switches, can reduce production cost greatly.But the consistency of on-the-spot electrolysis tank busbar size and position is difficult to ensure, it is inevitable to add the generate heat stress deformation that causes of busbar in production process, and this just brings great difficulty to the reliable connection between switch busbar and groove busbar and Secure isolation.
At present, the connection between switch busbar and groove busbar and adopt of isolation manually crimp soft busbar mode more, or fingertip interal inserting type structure.In actual motion, the soft busbar mode operating difficulties of artificial crimping, efficiency is extremely low, and there is potential safety hazard; Fingertip interal inserting type structure is not only to the interface size of groove busbar, and the coherence request of multiple station groove bus bar position is very high, and fingertip to insert wearing and tearing large, contact resistance is unstable, easily causes that fingertip is overheated even to be burnt.
Summary of the invention
In order to overcome the shortcoming and defect of prior art, the invention provides large, the mobile flexibility and reliability of a kind of interface tolerance, ampacity is large, the life-span is long, corrosion resistant portable big current contact finger mechanism.
The technical solution adopted for the present invention to solve the technical problems is: a kind of portable big current contact finger mechanism, comprise bracing frame and be arranged on the fingertip copper bar on bracing frame, described bracing frame comprises base plate, be connected to the bearing mounting panel on base plate by line slideway and be connected to the top board on bearing mounting panel by ball bearing, top board is installed with busbar clamping plate, described fingertip copper bar is provided with fingertip support, the bottom of described fingertip support is provided with multiple counter-force dished spring assembly, hydraulic cylinder is provided with between described fingertip support and fingertip copper bar, described fingertip support is provided with multiple fingertip, fingertip disc spring is provided with between described fingertip and fingertip support.
The portable big current contact finger mechanism of described one, its base plate is provided with screw mandrel, described screw mandrel two ends are respectively arranged with cylindrical bearing, described bearing mounting panel is provided with the feed screw nut with screw mandrel adaptation, described line slideway is set in parallel in screw mandrel both sides, and described feed screw nut both sides are respectively arranged with the slide block with line slideway adaptation.
The portable big current contact finger mechanism of described one, its ball bearing is be arranged on the thrust ball bearing on bearing mounting panel, described top board bottom surface is provided with the round boss with thrust ball bearing adaptation, threaded mandrel is provided with between described bearing mounting panel and top board, described threaded mandrel end is fixedly connected with the projection be arranged on top board, described threaded mandrel is connected with the contiguous block be arranged on bearing mounting panel.
The portable big current contact finger mechanism of described one, its counter-force dished spring assembly is comprised bearing and is connected to the support bar on bearing by rotating shaft, and support bar is provided with contact disc spring, described supporting bar top is provided with adjusting nut.
The portable big current contact finger mechanism of described one, multiple fingertip is staggered installation of up and down on fingertip support, leaves gap between two adjacent fingertips.
The portable big current contact finger mechanism of described one, its fingertip upper and lower end face is respectively arranged with fingertip arc surface.
The portable big current contact finger mechanism of described one, is provided with insulation board between its busbar clamping plate and top board.
The portable big current contact finger mechanism of described one, is provided with insulation board between its fingertip copper bar and top board.
The invention has the beneficial effects as follows: line slideway can achieve the translation back and forth of contact finger mechanism entirety, ball bearing can make all parts entirety on top board rotate relative to bearing mounting panel, counter-force dished spring assembly facilitates adjusting contact finger clossing pressure, fingertip simultaneously deciliter can avoid copper bar to be out of shape, fingertip support is backed down with hydraulic cylinder, improve the reliability of fingertip, and add the stroke that fingertip opens; Fingertip support is arranged side by side multiple fingertip staggered up and down, and fingertip upper and lower side is provided with fingertip arc surface, adds the contact area of fingertip and copper bar, effectively avoid or reduces because of current convergence heating, substantially increases current capacity.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the partial enlarged drawing of part A in Fig. 1;
Fig. 3 is the structural representation of bracing frame of the present invention;
Fig. 4 is the structural representation of counter-force dished spring assembly of the present invention;
Fig. 5 is the schematic diagram that the present invention is applied on portable short switch.
Each Reference numeral is: 1-bracing frame, 1.1-base plate, 1.2-bearing mounting panel, 1.3-top board, 1.4-busbar clamping plate, 1.5-thrust ball bearing, 1.6-cylindrical bearing, 1.7-screw mandrel, 1.8-feed screw nut, 1.9-line slideway, 1.10-projection, 1.11-slide block, 1.12-threaded mandrel, 2-fingertip copper bar, 3-counter-force dished spring assembly, 3.1-contact disc spring, 3.2-support bar, 3.3-rotating shaft, 3.4-bearing, 4-fingertip support, 5-hydraulic cylinder, 6-fingertip, 6.1-fingertip arc surface, 7-fingertip disc spring, 8-adjusting nut, 9-groove busbar, the soft busbar of 10-switch, 11-switch framework.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Shown in Fig. 4, the invention discloses a kind of portable big current contact finger mechanism, comprise bracing frame 1 and be arranged on the fingertip copper bar 2 on bracing frame 1, described bracing frame 1 comprises base plate 1.1, by the top board 1.3 that line slideway 1.9 is connected to the bearing mounting panel 1.2 on base plate 1.1 and is connected to by ball bearing on bearing mounting panel 1.2, top board 1.3 is installed with busbar clamping plate 1.4, described fingertip copper bar 2 top is symmetrically arranged with the fingertip support 4 be positioned on the upside of bracing frame 1, the bottom of described fingertip support 4 has been arranged side by side multiple counter-force dished spring assembly 3, hydraulic cylinder 5 is provided with between described fingertip support 4 and fingertip copper bar 2, in the middle of the fingertip support 4 of fingertip copper bar 2 and both sides, a hydraulic cylinder 5 is respectively housed, described fingertip support 4 is provided with multiple fingertip 6, be distributed as split type, hydraulic cylinder 5 can back down fingertip support 4 reliably, fingertip support 4 is rotated around pedestal, compression counter-force dished spring assembly 3, realize fingertip 6 to open, multiple fingertip about 6 is staggered installation of inside fingertip support 4 upper top, gap is left between two adjacent fingertips 6, fingertip 6 upper and lower end face is respectively arranged with fingertip arc surface 6.1, namely its contact-making surface is cambered surface, add the contact area of fingertip 6 and fingertip copper bar 2, effectively avoid or reduce because of current convergence heating, substantially increase current capacity, fingertip disc spring 7 is provided with between described fingertip 6 and fingertip support 4, fingertip disc spring 7 end is provided with nut to adjust the pressure of fingertip disc spring 7, because supporting frame part has ball bearing and line slideway 1.9, rotation and the horizontal direction adjustment of displacement of mechanism of the present invention can be realized.
Further, described base plate 1.1 is provided with screw mandrel 1.7, the two ends of described screw mandrel 1.7 are respectively provided with cylindrical bearing 1.6, described bearing mounting panel 1.2 is provided with the feed screw nut 1.8 with screw mandrel 1.7 adaptation, described line slideway 1.9 is set in parallel in screw mandrel 1.7 both sides, described feed screw nut 1.8 both sides are respectively arranged with the slide block 1.11 with line slideway 1.9 adaptation, just can be realized the integral translation of contact finger mechanism by rotary screw 1.7, described ball bearing is the thrust ball bearing 1.5 be arranged on bearing mounting panel 1.2, described top board 1.3 bottom surface is provided with the round boss with thrust ball bearing 1.5 adaptation, load with thrust ball bearing 1.5 inner hole, threaded mandrel 1.12 is provided with between described bearing mounting panel 1.2 and top board 1.3, the end of described threaded mandrel 1.12 is fixedly connected with the projection 1.10 be arranged on top board 1.3, described threaded mandrel 1.12 is connected with the contiguous block be arranged on bearing mounting panel 1.2, corresponding to two projections 1.10, the both forward and reverse directions that just can realize contact finger mechanism by rotating threaded mandrel 1.12 rotates.
Further, described counter-force dished spring assembly 3 is comprised bearing 3.4 and is connected to the support bar 3.2 on bearing 3.4 by rotating shaft 3.3, support bar 3.2 top is provided with contact disc spring 3.1, described support bar 3.2 top is provided with the adjusting nut 8 of adjustment disc spring pressure, the adjusting nut 8 of counter-force dished spring assembly 3 can facilitate the pressure that adjusting contact finger 6 is closed, between described busbar clamping plate 1.4 and top board 1.3, between fingertip copper bar 2 and top board 1.3, be provided with insulation board, prevent the conducting of copper bar and framework.
The invention has the beneficial effects as follows:
1, be provided with screw mandrel 1.7 and feed screw nut 1.8 between base plate 1.1 and bearing mounting panel 1.2, screw mandrel 1.7 both sides are respectively provided with the line slideway 1.9 parallel with screw mandrel 1.7 and four slide blocks 1.11, achieve the translation back and forth of contact finger mechanism entirety;
2, be provided with thrust ball bearing 1.5 and threaded mandrel 1.12 between bearing mounting panel 1.2 of the present invention and top board 1.3, top board 1.3 can be made to drive all parts entirety on top board 1.3 to rotate relative to bearing mounting panel 1.2;
3, counter-force dished spring assembly 3 of the present invention and contact disc spring 3.1 are all equipped with the adjusting nut 8 adjusting disc spring pressure, facilitate adjusting contact finger 6 clossing pressure.
4, fingertip copper bar 2 top of the present invention is symmetrically arranged with fingertip support 4 and is arranged on the fingertip 6 on fingertip support 4, and both sides fingertip 6 simultaneously deciliter can avoid copper bar to be out of shape; Back down fingertip support 4 with hydraulic cylinder 5, improve the reliability of fingertip 6, and add the stroke that fingertip 6 opens;
5, fingertip support 4 of the present invention is arranged side by side multiple fingertip 6 staggered up and down, and fingertip 6 upper and lower side is provided with fingertip arc surface 6.1, adds fingertip 6 and the contact area of copper bar, effectively avoid or reduces because of current convergence heating, substantially increase current capacity.
With reference to shown in Fig. 5, when the present invention is applied on portable short switch, the reliable connection between portable shorting switch busbar and groove busbar 9 and Secure isolation can be realized, base plate 1.1 is fixed on switch framework 11, fingertip copper bar 2 crimps with bolt with the soft busbar 10 of switch, and two pieces of busbar clamping plate 1.4 are reliably crimped together soft for switch busbar 10 and fingertip copper bar 2 by bolt.
On appointment station, by adjustment screw mandrel 1.7 and threaded mandrel 1.12, fingertip copper bar 2 is alignd with groove busbar 9, then hydraulic cylinder 5 unloads, counter-force dished spring assembly 3 pushes up back fingertip support 4, and fingertip 6 is crimped on fingertip copper bar 2 and groove busbar 9 by fingertip disc spring 7, to realize the reliable connection of busbar.
To hydraulic cylinder 5 oil transportation, the counter-force that hydraulic cylinder 5 overcomes counter-force dished spring assembly 3 backs down fingertip support 4, and fingertip 6 is separated with groove busbar 9, can realize the isolation of busbar.
Above-described embodiment is illustrative principle of the present invention and effect thereof only; and the embodiment that part is used, for the person of ordinary skill of the art, without departing from the concept of the premise of the invention; can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (8)
1. a portable big current contact finger mechanism, it is characterized in that: comprise bracing frame (1) and be arranged on the fingertip copper bar (2) on bracing frame (1), described bracing frame (1) comprises base plate (1.1), by the top board (1.3) that line slideway (1.9) is connected to the bearing mounting panel (1.2) on base plate (1.1) and is connected to by ball bearing on bearing mounting panel (1.2), top board (1.3) is installed with busbar clamping plate (1.4), described fingertip copper bar (2) is provided with fingertip support (4), the bottom of described fingertip support (4) is provided with multiple counter-force dished spring assembly (3), hydraulic cylinder (5) is provided with between described fingertip support (4) and fingertip copper bar (2), described fingertip support (4) is provided with multiple fingertip (6), fingertip disc spring (7) is provided with between described fingertip (6) and fingertip support (4).
2. the portable big current contact finger mechanism of one according to claim 1, it is characterized in that, described base plate (1.1) is provided with screw mandrel (1.7), described screw mandrel (1.7) two ends are respectively arranged with cylindrical bearing (1.6), described bearing mounting panel (1.2) is provided with the feed screw nut (1.8) adaptive with screw mandrel (1.7), described line slideway (1.9) is set in parallel in screw mandrel (1.7) both sides, and described feed screw nut (1.8) both sides are respectively arranged with the slide block (1.11) adaptive with line slideway (1.9).
3. the portable big current contact finger mechanism of one according to claim 2, it is characterized in that, described ball bearing is for being arranged on the thrust ball bearing (1.5) on bearing mounting panel (1.2), described top board (1.3) bottom surface is provided with the round boss adaptive with thrust ball bearing (1.5), threaded mandrel (1.12) is provided with between described bearing mounting panel (1.2) and top board (1.3), described threaded mandrel (1.12) end is fixedly connected with the projection (1.10) be arranged on top board (1.3), described threaded mandrel (1.12) is connected with the contiguous block be arranged on bearing mounting panel (1.2).
4. the portable big current contact finger mechanism of the one according to claim 1 or 2 or 3, it is characterized in that, described counter-force dished spring assembly (3) is comprised bearing (3.4) and is connected to the support bar (3.2) on bearing (3.4) by rotating shaft (3.3), support bar (3.2) is provided with contact disc spring (3.1), described support bar (3.2) top is provided with adjusting nut (8).
5. the portable big current contact finger mechanism of one according to claim 4, is characterized in that, described multiple fingertips (6) are staggered installation of up and down on fingertip support (4), leaves gap between two adjacent fingertips (6).
6. the portable big current contact finger mechanism of one according to claim 5, is characterized in that, described fingertip (6) upper and lower end face is respectively arranged with fingertip arc surface (6.1).
7. the portable big current contact finger mechanism of one according to claim 6, is characterized in that, is provided with insulation board between described busbar clamping plate (1.4) and top board (1.3).
8. the portable big current contact finger mechanism of one according to claim 6, is characterized in that, is provided with insulation board between described fingertip copper bar (2) and top board (1.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510668849.0A CN105280402B (en) | 2015-10-13 | 2015-10-13 | A kind of portable high current contact finger mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510668849.0A CN105280402B (en) | 2015-10-13 | 2015-10-13 | A kind of portable high current contact finger mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105280402A true CN105280402A (en) | 2016-01-27 |
| CN105280402B CN105280402B (en) | 2017-09-22 |
Family
ID=55149250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510668849.0A Active CN105280402B (en) | 2015-10-13 | 2015-10-13 | A kind of portable high current contact finger mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105280402B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393307A (en) * | 2022-03-14 | 2022-04-26 | 浙江顺得机械有限公司 | Two-side clamping type welding tool |
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| CN202793323U (en) * | 2012-09-20 | 2013-03-13 | 西安交通大学 | Miniature non-contact five-coordinate measuring machine |
| CN203180402U (en) * | 2013-04-19 | 2013-09-04 | 武汉长海电气科技开发有限公司 | Movable type short-circuit switch for electrolysis |
| CN103464857A (en) * | 2013-08-29 | 2013-12-25 | 杭州电子科技大学 | Turnplate-type automatic brazing machine |
| CN203680632U (en) * | 2014-01-09 | 2014-07-02 | 东莞市鑫华仪器有限公司 | Hot press |
| CN104589334A (en) * | 2014-12-22 | 2015-05-06 | 湖北文理学院 | Five-axis multifunctional manipulator |
| CN204470592U (en) * | 2015-03-06 | 2015-07-15 | 泰州市旺鑫耐火材料有限公司 | A kind of middle water containing opening with eccentric adjusting function |
-
2015
- 2015-10-13 CN CN201510668849.0A patent/CN105280402B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202793323U (en) * | 2012-09-20 | 2013-03-13 | 西安交通大学 | Miniature non-contact five-coordinate measuring machine |
| CN203180402U (en) * | 2013-04-19 | 2013-09-04 | 武汉长海电气科技开发有限公司 | Movable type short-circuit switch for electrolysis |
| CN103464857A (en) * | 2013-08-29 | 2013-12-25 | 杭州电子科技大学 | Turnplate-type automatic brazing machine |
| CN203680632U (en) * | 2014-01-09 | 2014-07-02 | 东莞市鑫华仪器有限公司 | Hot press |
| CN104589334A (en) * | 2014-12-22 | 2015-05-06 | 湖北文理学院 | Five-axis multifunctional manipulator |
| CN204470592U (en) * | 2015-03-06 | 2015-07-15 | 泰州市旺鑫耐火材料有限公司 | A kind of middle water containing opening with eccentric adjusting function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393307A (en) * | 2022-03-14 | 2022-04-26 | 浙江顺得机械有限公司 | Two-side clamping type welding tool |
| CN114393307B (en) * | 2022-03-14 | 2023-08-29 | 浙江顺得机械有限公司 | Both sides centre gripping formula welding frock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105280402B (en) | 2017-09-22 |
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