CN109360765A - A kind of isolation knife device for vacuum load switch - Google Patents
A kind of isolation knife device for vacuum load switch Download PDFInfo
- Publication number
- CN109360765A CN109360765A CN201811368898.2A CN201811368898A CN109360765A CN 109360765 A CN109360765 A CN 109360765A CN 201811368898 A CN201811368898 A CN 201811368898A CN 109360765 A CN109360765 A CN 109360765A
- Authority
- CN
- China
- Prior art keywords
- block
- sliding
- connecting lever
- pull rod
- link 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.)
- Pending
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of isolation knife device for vacuum load switch, including main shaft and supporting block, the upper end of the main shaft is fixedly connected with connecting lever, the right end of the connecting lever is rotatably connected to insulated pull rod, the upper end of the supporting block is rotatably connected to link block, the left side wall of the insulated pull rod one end and link block far from connecting lever is rotatablely connected, and the upper end of the link block is fixedly connected with moving contact, and resetting-mechanism is equipped between the link block and supporting block.The present invention drives insulated pull rod rotation by main axis, pass through the second sliding slot and the second sliding block in the first sliding groove and the first sliding block and link block on connecting lever, moving contact can be driven to rotate using lesser active force convenient for insulated pull rod, prevent active force is excessive from pull rod being caused to damage, pass through the spring being fixedly connected between fixed block and third sliding block, convenient for resetting to moving contact by spring, without human intervention.
Description
Technical field
The present invention relates to isolation knife technical field more particularly to a kind of isolation knife device for vacuum load switch.
Background technique
Isolation switch is that a kind of most commonly used electric appliance, the principles and structure of itself compare in high-voltage switch electric appliance
Simply, but since usage amount is big, functional reliability requires height, to the design of electric substation, power plant, foundation and the shadow of safe operation
Sound is larger, and disconnecting link is mainly characterized by no arc extinguishing ability, can only divide in the case where no load current, close circuit, generally
Isolation knife device for vacuum load switch includes connecting lever, insulated pull rod and moving contact, and wherein connecting lever is fixed with isolation knife main shaft
One end of connection, connecting lever and insulated pull rod is hinged, and the other end of insulated pull rod is directly hinged on the middle part of moving contact, in this way when every
When from knife main axis, connecting lever can pull insulated pull rod, to realize that insulated pull rod drives moving contact rotation, realize disconnected
The operation opened and closed a floodgate.
Existing isolation knife device for vacuum load switch is because insulated pull rod directly drives moving contact to turn by hinge joint
It is dynamic, cause to be easily damaged pull rod in the case that active force is very big, and when turning off operation, need manually to carry out moving contact
It resets, is not easy to operate, it is proposed that a kind of isolation knife device for vacuum load switch solves the above problems.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of vacuum load switch proposed is used
Knife system is isolated.
To achieve the goals above, present invention employs following technical solutions:
A kind of isolation knife device for vacuum load switch, including main shaft and supporting block, the upper end of the main shaft are fixedly connected
There is connecting lever, the right end of the connecting lever is rotatably connected to insulated pull rod, and the upper end of the supporting block is rotatably connected to link block, described
The left side wall of insulated pull rod one end and link block far from connecting lever is rotatablely connected, and the upper end of the link block is fixedly connected with dynamic touching
Head is equipped with resetting-mechanism between the link block and supporting block.
Preferably, the upper end of the connecting lever is equipped with the first through hole being connected to up and down, and the upper end of the main shaft is fixedly connected with
First screw rod, first screw rod are arranged through first through hole, are threaded with the first nut on first screw rod, and described the
One nut is abutted with connecting lever.
Preferably, the right side wall of the connecting lever is equipped with first sliding groove, slidably connects phase therewith in the first sliding groove
Matched first sliding block, the left side wall rotation connection of first sliding block one end and insulated pull rod far from first sliding groove.
Preferably, the left side wall of the link block is equipped with second sliding slot, slidably connects therewith in the second sliding slot
The second sliding block to match, the right side wall rotation connection of second sliding block one end and insulated pull rod far from second sliding slot.
Preferably, the upper end of the link block is equipped with groove, and the moving contact is inserted in groove, the top surface of the groove
Equipped with the second through-hole, the second screw rod is fixedly connected on the bottom of the groove, second screw rod runs through moving contact and second
Through-hole is arranged, and is threaded with the second nut on second screw rod, second nut is abutted with link block.
Preferably, the resetting-mechanism includes being respectively fixedly connected in fixed block on link block rear wall and being set to support
Third sliding slot on block rear wall slidably connects matched third sliding block, the third sliding block in the third sliding slot
Same root spring is fixedly connected between fixed block.
Compared with prior art, the present invention has the advantages that:
1, insulated pull rod rotation is driven by main axis, passes through the first sliding groove and the first sliding block and connection on connecting lever
Second sliding slot and the second sliding block on block, bearing lesser active force convenient for insulated pull rod can drive moving contact to rotate, and prevent
Active force is excessive to cause pull rod to damage.
2, by the spring being fixedly connected between fixed block and third sliding block, convenient for answering moving contact by spring
Position, without human intervention.
Detailed description of the invention
Fig. 1 is a kind of perspective diagram of isolation knife device for vacuum load switch proposed by the present invention；
Fig. 2 is a kind of schematic side view of isolation knife device for vacuum load switch proposed by the present invention；
Fig. 3 is the partial enlarged view in Fig. 1 at A.
In figure: 1 main shaft, 2 supporting blocks, 3 connecting levers, 4 insulated pull rods, 5 link blocks, 6 moving contacts, 7 resetting-mechanisms, 8 first lead to
Hole, 9 first screw rods, 10 first nuts, 11 first sliding grooves, 12 first sliding blocks, 13 second sliding slots, 14 second sliding blocks, 15 second lead to
Hole, 16 second screw rods, 17 second nuts, 18 fixed blocks, 19 third sliding slots, 20 third sliding blocks, 21 springs.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-3, a kind of isolation knife device for vacuum load switch, including main shaft 1 and supporting block 2, the upper end of main shaft 1
It is fixedly connected with connecting lever 3, the upper end of connecting lever 3 is equipped with the first through hole 8 being connected to up and down, and the upper end of main shaft 1 is fixedly connected with first
Screw rod 9, the first screw rod 9 are arranged through first through hole 8, are threaded with the first nut 10 on the first screw rod 9, the first nut 10 with
Connecting lever 3 abuts, and the right end of connecting lever 3 is rotatably connected to insulated pull rod 4, and the right side wall of connecting lever 3 is equipped with first sliding groove 11, the
The first matched sliding block 12 is slidably connected in one sliding slot 11, when the first sliding block 12 moves in first sliding groove 11, just
Moving contact 6 is driven to rotate in insulated pull rod 4, the left side wall of the first sliding block 12 one end far from first sliding groove 11 and insulated pull rod 4
Rotation connection.
The upper end of supporting block 2 is rotatably connected to link block 5, the left side of insulated pull rod 4 one end far from connecting lever 3 and link block 5
Side wall rotation connection, the left side wall of link block 5 are equipped with second sliding slot 13, slidably connect in second sliding slot 13 matched
The second sliding block 14, when the second sliding block 14 moves in second sliding slot 13, convenient for insulated pull rod 4 drive moving contact 6 rotate, second
The right side wall of the one end of sliding block 14 far from second sliding slot 13 and insulated pull rod 4 is rotatablely connected, and the upper end of link block 5 is fixedly connected with
Moving contact 6.
The upper end of link block 5 is equipped with groove (not shown), and moving contact 6 is inserted in groove, and the top surface of groove is equipped with
Second through-hole 15, the second screw rod 16 is fixedly connected on the bottom of groove, and the second screw rod 16 runs through moving contact 6 and the second through-hole 15
It is arranged, is threaded with the second nut 17 on the second screw rod 16, the second nut 17 is abutted with link block 5, link block 5 and branch
Resetting-mechanism 7 is equipped between bracer 2, resetting-mechanism 7 includes being respectively fixedly connected in fixed block 18 on 5 rear wall of link block and setting
It is placed in third sliding slot 19 on 2 rear wall of supporting block, matched third sliding block 20 is slidably connected in third sliding slot 19, the
When three sliding blocks 20 move in third sliding slot 19, moving contact 6 is resetted by elastic property convenient for spring 21, third sliding block
Same root spring 21 is fixedly connected between 20 and fixed block 18.
It in the present invention, is rotated by main shaft 1 and connecting lever 3 is driven to rotate, while connecting lever 3 rotates, insulated pull rod 4 is driven to move
It is dynamic, by the first sliding block 12 on connecting lever 3 moved in first sliding groove 11 and link block 5 on the second sliding block 14 it is sliding second
It is moved in slot 13, so that insulated pull rod 4 bears lesser active force and moving contact 6 can be driven to rotate, passes through fixed block 18 and the
The spring 21 being fixedly connected between three sliding blocks 20, convenient for resetting to moving contact 6 by spring 21.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of isolation knife device for vacuum load switch, including main shaft (1) and supporting block (2), which is characterized in that the main shaft
(1) upper end is fixedly connected with connecting lever (3), and the right end of the connecting lever (3) is rotatably connected to insulated pull rod (4), the supporting block
(2) upper end is rotatably connected to link block (5), the left side of the insulated pull rod (4) one end and link block (5) far from connecting lever (3)
Side wall rotation connection, the upper end of the link block (5) are fixedly connected with moving contact (6), the link block (5) and supporting block (2)
Between be equipped with resetting-mechanism (7).
2. a kind of isolation knife device for vacuum load switch according to claim 1, which is characterized in that the connecting lever (3)
Upper end be equipped with the first through hole (8) that is connected to up and down, the upper end of the main shaft (1) is fixedly connected with the first screw rod (9), described the
One screw rod (9) is arranged through first through hole (8), is threaded with the first nut (10) on first screw rod (9), described first
Nut (10) is abutted with connecting lever (3).
3. a kind of isolation knife device for vacuum load switch according to claim 1, which is characterized in that the connecting lever (3)
Right side wall be equipped with first sliding groove (11), slidably connects the first matched sliding block in the first sliding groove (11)
(12), the left side wall of one end and insulated pull rod (4) far from first sliding groove (11) of first sliding block (12) is rotatablely connected.
4. a kind of isolation knife device for vacuum load switch according to claim 1, which is characterized in that the link block
(5) left side wall is equipped with second sliding slot (13), and it is sliding that matched second is slidably connected in the second sliding slot (13)
The right side wall of block (14), second sliding block (14) one end and insulated pull rod (4) far from second sliding slot (13) is rotatablely connected.
5. a kind of isolation knife device for vacuum load switch according to claim 1, which is characterized in that the link block
(5) upper end is equipped with groove, and the moving contact (6) is inserted in groove, and the top surface of the groove is equipped with the second through-hole (15), institute
It states and is fixedly connected on the bottom of groove the second screw rod (16), second screw rod (16) runs through moving contact (6) and the second through-hole
(15) it is arranged, is threaded with the second nut (17) on second screw rod (16), second nut (17) and link block (5)
It abuts.
6. a kind of isolation knife device for vacuum load switch according to claim 1, which is characterized in that the resetting-mechanism
It (7) include being respectively fixedly connected in fixed block (18) on link block (5) rear wall and being set to third on supporting block (2) rear wall
Sliding slot (19), the third sliding slot (19) is interior to slidably connect matched third sliding block (20), the third sliding block
(20) it is fixedly connected between fixed block (18) same root spring (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811368898.2A CN109360765A (en) | 2018-11-16 | 2018-11-16 | A kind of isolation knife device for vacuum load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811368898.2A CN109360765A (en) | 2018-11-16 | 2018-11-16 | A kind of isolation knife device for vacuum load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109360765A true CN109360765A (en) | 2019-02-19 |
Family
ID=65345600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811368898.2A Pending CN109360765A (en) | 2018-11-16 | 2018-11-16 | A kind of isolation knife device for vacuum load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109360765A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009003345A1 (en) * | 2007-07-05 | 2009-01-08 | Beijing Sojo Electric Co., Ltd. | Solid insulation full-closed loop networt cabinet |
| CN202332702U (en) * | 2011-12-08 | 2012-07-11 | 温州新机电器有限公司 | Isolation knife device for vacuum load switch |
| CN107833785A (en) * | 2017-11-30 | 2018-03-23 | 浙江紫光电器有限公司 | A kind of current vacuum isolation load switch |
| CN108591655A (en) * | 2018-06-14 | 2018-09-28 | 江苏宝地管业有限公司 | A kind of pipeline being easily installed dismounting |
-
2018
- 2018-11-16 CN CN201811368898.2A patent/CN109360765A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009003345A1 (en) * | 2007-07-05 | 2009-01-08 | Beijing Sojo Electric Co., Ltd. | Solid insulation full-closed loop networt cabinet |
| CN202332702U (en) * | 2011-12-08 | 2012-07-11 | 温州新机电器有限公司 | Isolation knife device for vacuum load switch |
| CN107833785A (en) * | 2017-11-30 | 2018-03-23 | 浙江紫光电器有限公司 | A kind of current vacuum isolation load switch |
| CN108591655A (en) * | 2018-06-14 | 2018-09-28 | 江苏宝地管业有限公司 | A kind of pipeline being easily installed dismounting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104183434B (en) | A kind of residual current circuit breaker with reverse wiring structure | |
| CN203983204U (en) | A kind of residual current circuit breaker with reverse wiring structure | |
| CN109360765A (en) | A kind of isolation knife device for vacuum load switch | |
| CN201170993Y (en) | Tri-station insulation ground switch | |
| CN111091998B (en) | Outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker | |
| CN205583509U (en) | A circuit breaker gas tank unit for environmental protection gas switch cabinet | |
| CN202977980U (en) | Switch cabinet | |
| CN208781765U (en) | A kind of built-in isolation knife major loop drive mechanism of outdoor pole top switch | |
| KR101028656B1 (en) | Automatic return apparatus the knob of earth leakage circuit breaker | |
| CN103295829B (en) | Induced current release device of 252KV outdoor high-voltage alternating-current earthing switch | |
| CN111009430B (en) | Quick safety switch | |
| CN209641581U (en) | A kind of novel double load switch interlocking mechanisms | |
| CN205542552U (en) | Outdoor high voltage isolator | |
| CN207038413U (en) | A kind of disconnecting switch manual-operating mechanism | |
| CN208352744U (en) | A kind of New Type Isolating Switch | |
| CN203013554U (en) | Divide-shut brake device and automatic change-over switching device | |
| CN205564619U (en) | Isolator | |
| CN201766008U (en) | Star-triangle switching isolation switch for transformer | |
| CN214428502U (en) | Operating device of switch equipment | |
| CN109659207A (en) | A kind of sudden change of resistivity formula contact apparatus and breaker | |
| CN210443486U (en) | Cabinet door linkage device with grounding switch keeping closing state | |
| CN204332854U (en) | A kind of transmission device of auxiliary switch for circuit breaker | |
| CN219575427U (en) | Yield mechanism and dual-power control mechanism | |
| CN207938509U (en) | A kind of disconnecting switch linkage mechanism applied to switchgear | |
| CN202977979U (en) | Switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |