CN115355435A

CN115355435A - Lubricating oil adding device for isolating switch

Info

Publication number: CN115355435A
Application number: CN202211019174.3A
Authority: CN
Inventors: 张良博; 齐国丰; 李晓红; 张良琴; 张涛鲲
Original assignee: State Grid Corp of China SGCC; Cangzhou Power Supply Co of State Grid Hebei Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Cangzhou Power Supply Co of State Grid Hebei Electric Power Co Ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-11-18
Anticipated expiration: 2042-08-24
Also published as: CN115355435B

Abstract

The invention provides a lubricating oil adding device for an isolating switch, which comprises a supporting plate, a sliding plate, a first driving mechanism, a second driving mechanism and a base, wherein an air pressure type oil spraying kettle is fixedly arranged at the top of the supporting plate, the sliding plate is arranged above the supporting plate in a sliding manner, the sliding plate can extrude the air pressure type oil spraying kettle due to sliding, the first driving mechanism is connected with the sliding plate, the second driving mechanism is connected with the supporting plate, the base is arranged on the ground, the second driving mechanism is arranged on the base, and a plurality of supporting legs with adjustable lengths are arranged at the bottom of the base. The oil spraying device is provided with the supporting plate, the sliding plate and the first driving mechanism which are matched with each other so as to facilitate oil spraying of the air pressure type oil spraying kettle, and the second driving mechanism is arranged so as to facilitate the supporting plate to ascend to a high position and spray lubricating oil to the isolating switch at the high position. The climbing of operating personnel can be avoided, the labor intensity of the operating personnel is effectively reduced, the operation can be carried out under the condition of no power failure, and inconvenience can be avoided.

Description

Lubricating oil adding device for isolating switch

Technical Field

The invention belongs to the technical field of auxiliary devices of power systems, and particularly relates to a lubricating oil adding device for an isolating switch.

Background

The isolating switch, namely when in the separated position, the contacts have the insulation distance meeting the specified requirements and obvious disconnection marks; a switching device capable of carrying current in normal loop conditions and current in abnormal conditions for a specified time when in the closed position.

It is therefore also known colloquially as a "knife switch". Of course, the isolating switch generally refers to a high-voltage isolating switch, namely an isolating switch with rated voltage of 1kV or more, which is the most used electrical appliance in high-voltage switching electrical appliances, and the operating principle and the structure of the isolating switch are simpler, but the isolating switch has high requirements on the operating reliability due to large usage amount, and has great influence on the design, the establishment and the safe operation of a substation and an electric power plant.

The main characteristic of the isolating switch is that it has no arc-extinguishing capability, and can only open and close the circuit under the condition of no load current. The isolating switch is used for each stage of voltage, is used for changing circuit connection or isolating lines or equipment from a power supply, has no current-breaking capacity, and can be operated only after other equipment is used for disconnecting the lines. Typically with an interlock to prevent inadvertent operation of the switch when loaded, a pin is sometimes required to prevent opening of the switch under the magnetic force of a large fault.

In the actual operation work of the power grid, the isolating switch is often exposed outdoors for a long time and can be oxidized and rusted after being exposed to the sun and rain, and the isolating switch can not be pulled open or closed in place due to serious corrosion in the pulling and closing process, so that the difficulty is increased for the pulling and closing operation of operation and maintenance personnel, the isolating switch is damaged by violent operation of the operation personnel, and the operating personnel is easy to fatigue due to long operation time, so that a plurality of unsafe factors are brought.

The existing solution is to power off the abnormal isolating switch, and then the operator climbs to the high altitude to spray lubricating oil to lubricate the abnormal isolating switch, so that on one hand, the labor intensity of the operator is increased, and on the other hand, the normal use of nearby enterprises or residents is affected by the power off.

Disclosure of Invention

The invention aims to provide a lubricating oil adding device for an isolating switch, and aims to solve the problems that in the prior art, the labor intensity of operators is increased and inconvenience is brought to nearby residents and enterprises due to the fact that lubricating oil is sprayed on the isolating switch.

In order to achieve the purpose, the invention adopts the technical scheme that: the lubricating oil adding device for the isolating switch comprises a supporting plate, a sliding plate, a first driving mechanism, a second driving mechanism and a base, wherein an air pressure type oil spraying kettle is fixedly arranged at the top of the supporting plate; the sliding plate is arranged above the supporting plate in a sliding mode and can extrude the pneumatic oil spraying kettle due to sliding, so that the pneumatic oil spraying kettle sprays oil outwards; the first driving mechanism is connected with the sliding plate and can drive the sliding plate to slide; the second driving mechanism is connected with the supporting plate and can drive the sliding plate to move up and down; the base is arranged on the ground, the second driving mechanism is arranged on the base, and a plurality of supporting legs with adjustable lengths are arranged at the bottom of the base.

In a possible implementation manner, the first driving mechanism includes a first guide rod, a transmission rod and a driving motor, the first guide rod is connected to the transmission rod, a guide hole is formed in the support plate, the first guide rod penetrates through the guide hole and extends into the lower portion of the support plate, the bottom end of the first guide rod is connected to the transmission rod, and the bottom end of the transmission rod is connected to the driving motor, so that the driving motor can drive the sliding plate to slide.

In a possible implementation manner, a driving rod is arranged at a power output end of the driving motor, a driving disc is arranged at the top end of the driving rod, relative to one end connected with the driving rod, the other end of the driving disc is hinged to the bottom end of the driving rod, and the top end of the driving rod is hinged to the bottom end of the first guide rod.

In a possible implementation manner, a first fixing plate and a second fixing plate are arranged at the top end of the supporting plate at intervals, the second fixing plate is fixedly arranged, the first fixing plate is arranged in a sliding manner, a semi-annular clamping piece is arranged on the surface, opposite to the first fixing plate and the second fixing plate, of the first fixing plate, the first fixing plate can slide towards the second fixing plate, and the pneumatic oil injection kettle is clamped and fixed by the clamping piece.

In a possible implementation manner, a first sliding groove is formed in the top of the supporting plate, a first sliding block is arranged at the bottom of the first fixing plate, the first sliding block is inserted into the first sliding groove, a return spring is arranged in the first sliding groove, and when the return spring is in a natural state, the first fixing plate and the second fixing plate are at the shortest interval.

In a possible implementation manner, the second driving mechanism comprises a threaded lifting rod, a lifting motor, a second guide rod and a guide block, the lifting motor is arranged on the base, the threaded lifting rod is connected with the power output end of the lifting motor, the threaded lifting rod is vertically arranged, a threaded hole is formed in the supporting plate, the threaded lifting rod is in threaded hole in threaded connection, the second guide rod is arranged in parallel with the threaded lifting rod, a guide groove is formed in the second guide rod, the guide block is arranged on the supporting plate, and the guide block is inserted into the guide groove.

In a possible implementation manner, a second sliding groove is formed in the base, a second sliding block is arranged at the bottom of the second guide rod, the second sliding block is inserted into the second sliding groove, a sliding motor is arranged on the base, and a power output end of the sliding motor is connected with the second guide rod, so that the second driving mechanism can drive the second guide rod to slide in the second sliding groove, and the guide block can be inserted into or pulled out of the guide groove due to the sliding of the second driving rod.

In a possible implementation mode, be equipped with stop gear on the base, stop gear includes third fixed plate, stopper and baffle, the third fixed plate is fixed on the base, the bar hole has been seted up on the third fixed plate, the stopper is located on the screw thread lifter, just the length of stopper is less than the length in bar hole, the baffle articulate in on the third fixed plate, just the baffle will the bar hole shelters from, makes during elevator motor corotation, the screw thread comb bull stick can normally rotate, during elevator motor reversal, the stopper can by the baffle blocks, and this moment the guide block just is right the guide way.

In a possible implementation manner, a circular limiting plate is arranged at the top end of the threaded lifting rod, the diameter of the limiting plate is larger than that of the threaded hole, and the top end of the second guide rod is higher than that of the threaded lifting rod.

In a possible implementation manner, the supporting leg comprises a supporting rod fixed at the bottom of the base and a supporting tube screwed on the supporting rod, and the supporting tube rotates relative to the supporting rod, so that the length of the supporting leg can be increased or decreased.

The lubricating oil adding device for the isolating switch provided by the invention has the beneficial effects that: compared with the prior art, the air pressure type oil spraying kettle is convenient to arrange by arranging the supporting plate, and can be matched with the sliding plate which is arranged in a sliding manner, so that the air pressure type oil spraying kettle can be extruded when the sliding plate is pressed down, lubricating oil in the air pressure type oil spraying kettle is sprayed out, and the lubricating oil spraying on the isolating switch is completed; meanwhile, the first driving mechanism is arranged and connected with the sliding plate, so that the first driving mechanism can drive the sliding plate to slide, and oil can be conveniently sprayed by the pneumatic oil spraying kettle; the second driving mechanism is connected with the supporting plate, so that the second driving mechanism can drive the sliding plate to move up and down, the supporting plate can be conveniently lifted to a high position, and lubricating oil is sprayed to the isolating switch at the high position; the lubricating oil adding device for the isolating switch is used for spraying the isolating switch, so that the climbing of operators can be avoided, the labor intensity of the operators can be effectively reduced, the operators do not need to approach the isolating switch and a power grid, the operation can be carried out under the condition of no power failure, and the inconvenience brought to enterprises or residents nearby an operation area can be avoided.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings may be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic view of an angular structure of a lubricating oil adding device for a disconnecting switch according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another angle of the isolating switch lubricating oil adding device according to the first embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is an enlarged view of portion B of FIG. 2;

fig. 5 is an enlarged view of a portion C of fig. 2.

Wherein, each reference number in the figures is as follows:

1. a support plate; 2. a sliding plate; 3. a first drive mechanism; 4. a second drive mechanism; 5. a base;

101. a first fixing plate; 102. a second fixing plate; 103. a clamping member; 104. a pneumatic oil spraying kettle; 105. a first slider; 106. a return spring; 107. a first chute;

301. a first guide bar; 302. mounting a rod; 303. a transmission rod; 304. a drive motor; 305. a drive disk;

401. a threaded lifting rod; 402. a second guide bar; 403. a lifting motor; 404. a guide block; 405. a limiting plate; 406. a guide groove; 407. a second chute; 408. a slide motor; 409. a connecting rod; 410. a third fixing plate; 411. a strip-shaped hole; 412. a baffle plate; 413. a limiting block; 414. mounting a block; 415. combing and rotating rods;

501. a support bar; 502. and (5) supporting the tube.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be further noted that the drawings and the embodiments of the present invention mainly describe the concept of the present invention, and on the basis of the concept, the specific forms and arrangements of some connections, positions, power mechanisms, power supply systems, hydraulic systems, control systems, etc. may not be completely described, but those skilled in the art can implement the specific forms and arrangements in a known manner on the premise that those skilled in the art understand the concept of the present invention.

When an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to an orientation or positional relationship that is based on the orientation or positional relationship shown in the drawings, merely for convenience and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular manner of operation, and is not to be construed as limiting the invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more, and "several" means one or more unless specifically limited otherwise.

Example one

Now, the lubricating oil adding device for the isolating switch provided by the invention is explained.

Please refer to fig. 1 and fig. 2 together, the isolator lubricating oil adding device includes a supporting plate 1, a sliding plate 2, a first driving mechanism 3, a second driving mechanism 4 and a base 5, a pneumatic oil spraying pot 104 is fixed on the top of the supporting plate 1, the sliding plate 2 is slidably disposed above the supporting plate 1, the sliding plate 2 can extrude the pneumatic oil spraying pot 104 due to sliding, so that the pneumatic oil spraying pot 104 sprays oil outwards, the first driving mechanism 3 is connected with the sliding plate 2, the first driving mechanism 3 can drive the sliding plate 2 to slide, the second driving mechanism 4 is connected with the supporting plate 1, the second driving mechanism 4 can drive the sliding plate 2 to move up and down, the base 5 is disposed on the ground, the second driving mechanism 4 is disposed on the base 5, and a plurality of supporting legs with adjustable lengths are disposed at the bottom of the base 5.

The lubricating oil adding device for the isolating switch provided by the embodiment has the beneficial effects that: compared with the prior art, the isolator lubricating oil adding device provided by the embodiment can be used for conveniently setting an air pressure type oil spraying kettle 104 by arranging the support plate 1, and on the other hand, the device can be matched with a sliding plate 2 which is arranged in a sliding manner, so that the sliding plate 2 can extrude the air pressure type oil spraying kettle 104 when being pressed down, lubricating oil in the air pressure type oil spraying kettle 104 can be sprayed out, and the lubricating oil can be sprayed on an isolator.

Based on the above design concept, the first driving mechanism 3 of the present invention includes a first guide rod 301, a transmission rod 303 and a driving motor 304, wherein the first guide rod 301 is connected to the transmission rod 303, a guide hole is formed on the support plate 1, the first guide rod 301 passes through the guide hole and extends into the lower portion of the support plate 1, the bottom end of the first guide rod 301 is connected to the transmission rod 303, and the bottom end of the transmission rod 303 is connected to the driving motor 304, so that the driving motor 304 can drive the sliding plate 2 to slide.

As shown in fig. 1, in a specific embodiment, a mounting rod 302 is disposed at the bottom of the support plate 1, a driving motor 304 is disposed at the bottom of the mounting rod 302, a driving rod is disposed at a power output end of the driving motor 304, a driving disc 305 is disposed at a top end of the driving rod, the other end of the driving disc 305 is hinged to a bottom end of the driving rod 303, and a top end of the driving rod 303 is hinged to a bottom end of the first guide rod 301, so that the driving rod 303 can rotate relative to the driving disc 305 when the driving disc 305 rotates, so that the driving disc 305 does not interfere with the driving rod 303, on the other hand, the driving rod 303 can move up and down along with the rotation of the driving disc 305, and the top end of the driving rod 303 is hinged to the bottom end of the first guide rod 301, so that the driving rod 303 can rotate a certain angle relative to the first guide rod 301 when rotating relative to the driving disc 305, thereby preventing the interference between the driving rod 303 and the first guide rod 301.

As shown in fig. 1, 2 and 5, a first fixing plate 101 and a second fixing plate 102 are provided at an interval at the top end of the support plate 1, the second fixing plate 102 is fixedly provided, the first fixing plate 101 is slidably provided, a semi-annular clamping member 103 is provided on a surface where the first fixing plate 101 and the second fixing plate 102 are provided, and the first fixing plate 101 can slide toward the second fixing plate 102, so that the air-pressure type fuel injection pot 104 is clamped and fixed by the clamping member 103. The sliding arrangement of the first fixing plate 101 is convenient for taking and placing the pneumatic oil spraying pot 104.

Specifically, the top of the supporting plate 1 is provided with a first sliding groove 107, the bottom of the first fixing plate 101 is provided with a first sliding block 105, the first sliding block 105 is inserted into the first sliding groove 107, a return spring 106 is arranged in the first sliding groove 107, and when the return spring 106 is in a natural state, the first fixing plate 101 and the second fixing plate 102 are at the shortest interval. The return spring 106 is provided to facilitate the return of the first fixing plate 101, and facilitate the clamping and fixing of the pneumatic fuel spray can 104.

In this embodiment, the second driving mechanism 4 includes a threaded lifting rod 401, a lifting motor 403, a second guide rod 402 and a guide block 404, the lifting motor 403 is disposed on the base 5, the threaded lifting rod 401 is connected to a power output end of the lifting motor 403, the threaded lifting rod 401 is vertically disposed, a threaded hole is disposed on the support plate 1, the threaded lifting rod 401 is screwed in the threaded hole, the second guide rod 402 is parallel to the threaded lifting rod 401, a guide groove 406 is disposed on the second guide rod 402, the guide block 404 is disposed on the support plate 1, and the guide block 404 is inserted into the guide groove 406.

Due to the cooperation of the guide block 404 and the guide groove 406, when the guide block 404 is inserted into the guide groove 406, the support plate 1 cannot rotate with the screw rod 401 but can move only in the extending direction of the guide groove 406 when the screw rod 401 rotates.

Meanwhile, a second sliding groove 407 is formed in the base 5, a second sliding block is arranged at the bottom of the second guide rod 402, the second sliding block is inserted into the second sliding groove 407, a sliding motor 408 is arranged on the base 5, and a power output end of the sliding motor 408 is connected with the second guide rod 402 through a connecting rod 409, so that the second driving mechanism 4 can drive the second guide rod 402 to slide in the second sliding groove 407, and the guide block 404 can be inserted into or pulled out of the guide groove 406 due to the sliding of the second driving rod. As described above, when the guide block 404 is inserted into the guide groove 406, the lifting motor 403 can only drive the support plate 1 to lift, and when the guide block 404 is pulled out of the guide groove 406, the support plate 1 can rotate along with the screw lifting rod. The angle of oil injection can be adjusted, and the use is more convenient.

Combine shown in fig. 3 and fig. 4, be equipped with stop gear on the base 5, stop gear includes third fixed plate 410, stopper 413 and baffle 412, third fixed plate 410 fixes on base 5, bar hole 411 has been seted up on the third fixed plate 410, stopper 413 is located on screw thread lifter 401, and the length of stopper 413 is less than the length in bar hole 411, baffle 412 articulates on third fixed plate 410, and baffle 412 shelters from bar hole 411, when making elevator motor 403 corotation, screw thread comb bull stick 415 can normal rotation, when elevator motor 403 reverses, stopper 413 can be blockked by baffle 412, and guide block 404 is just to guide way 406 this moment. The limiting mechanism is arranged, so that the support plate 1 can be reset after rotating for a certain angle, the guide block 404 is opposite to the guide groove 406, and the guide block 404 can be inserted into the guide groove 406 conveniently.

Preferably, two mounting blocks 414 are disposed at one side of the second fixing plate 102, the mounting blocks 414 are disposed at an interval, combing holes are disposed on opposite surfaces of the mounting blocks 414, a combing rod 415 is disposed at a top end of the baffle 412, and the combing rod 415 is inserted into the combing holes, so that the baffle 412 can pivot relative to the third fixing plate 410.

In addition, the top of screw lifter 401 is equipped with circular shape limiting plate 405, and the diameter of limiting plate 405 is greater than the diameter of screw hole for backup pad 1 can be blockked by limiting plate 405 after rising to the top of screw lifter, thereby prevents backup pad 1 from following the screw lifter. Meanwhile, the top end of the second guide bar 402 is higher than the top end of the screw-thread lifting bar 401, so that when the support plate 1 is lifted to the top end of the screw-thread lifting bar 401, the guide block 404 is prevented from sliding out of the guide groove 406 from the guide groove 406.

Finally, the supporting leg is including fixing the bracing piece 501 and the stay tube 502 of spiro union on bracing piece 501 in base 5 bottom, and stay tube 502 rotates for bracing piece 501, can make the length of supporting leg increase or subtract the weak point, through the length that changes the supporting leg, can be convenient for make this device be applicable to different topography, has improved the suitability under the field work environment.

Example two

In this embodiment, compared to the first embodiment, the first driving mechanism 3 only includes the driving motor 304 and the first guiding rod 301, the driving motor 304 is disposed at the bottom of the supporting plate 1, and the first guiding rod 301 is connected to the power output end of the driving motor 304. At this time, the driving motor 304 is selected as a linear motor, and can also complete the driving of the sliding plate 2 to slide up and down.

EXAMPLE III

In this embodiment, for embodiment one, first actuating mechanism 3 includes driving motor 304, first guide bar 301 and driving rope, and driving motor 304 locates the bottom of backup pad 1, and driving motor 304's power take off end is provided with the actuating lever, and the one end of driving rope is fixed on the actuating lever, and the other end of driving rope is fixed in the bottom of first guide bar 301. At this time, the driving motor 304 drives the driving rod to pivot, so that the driving rope can be wound on the driving rod, and the guide rod is further pulled to move downwards, thereby completing the spraying of the lubricating oil.

Of course, in this embodiment, in order to reset the first guide rod 301, an ascending spring should be sleeved outside the first guide rod, the ascending spring is disposed between the support plate and the sliding plate, when the first guide rod moves downward, the ascending spring compresses to store energy, when the driving motor 304 rotates reversely, the driving rope is unwound, and then the ascending spring releases energy, so that the first guide rod is reset.

When the lubricating oil adding device for the isolating switch is used, lubricating oil is filled in the oil spraying kettle under the air pressure, then the length of the supporting leg is adjusted to enable the base to be horizontal, then the supporting plate is lifted to the using height, oil spraying is conducted on the isolating switch, when the oil spraying angle is not good, the guiding block can be pulled out of the guiding groove, and the thread lifting rod 401 is rotated to adjust the oil spraying angle.

The present invention should be considered as limited only by the preferred embodiments of the invention, and not limited to the specific embodiments described herein.

Claims

1. A lubricating oil adding device for a disconnecting switch is characterized by comprising:

the top of the supporting plate (1) is fixedly provided with a pneumatic oil spraying kettle (104);

the sliding plate (2) is arranged above the supporting plate (1) in a sliding mode, and the sliding plate (2) can extrude the pneumatic oil injection kettle (104) due to sliding to enable the pneumatic oil injection kettle (104) to inject oil outwards;

the first driving mechanism (3) is connected with the sliding plate (2), and the first driving mechanism (3) can drive the sliding plate (2) to slide;

the second driving mechanism (4) is connected with the supporting plate (1), and the second driving mechanism (4) can drive the sliding plate (2) to move up and down;

the base (5) is arranged on the ground, the second driving mechanism (4) is arranged on the base (5), and a plurality of supporting legs with adjustable lengths are arranged at the bottom of the base (5).

2. The isolator lubricator apparatus as claimed in claim 1, wherein: the first driving mechanism (3) comprises a first guide rod (301), a transmission rod (303) and a driving motor (304), the first guide rod (301) is connected with the transmission rod (303), a guide hole is formed in the support plate (1), the first guide rod (301) penetrates through the guide hole and extends into the lower portion of the support plate (1), the bottom end of the first guide rod (301) is connected with the transmission rod (303), and the bottom end of the transmission rod (303) is connected with the driving motor (304), so that the driving motor (304) can drive the sliding plate (2) to slide.

3. The isolating switch lube station of claim 2 wherein: the power take off end of driving motor (304) is equipped with the actuating lever, the top of actuating lever is equipped with drive disc (305), for with the one end that the actuating lever is connected, the other end of drive disc (305) with the bottom of transfer line (303) is articulated, just the top of transfer line (303) with the bottom of first guide bar (301) is articulated.

4. The isolator lubricator apparatus as claimed in claim 1, wherein: the oil-gas pressure type oil spraying kettle is characterized in that a first fixing plate (101) and a second fixing plate (102) are arranged at the top end of the supporting plate (1) at intervals, the second fixing plate (102) is fixedly arranged, the first fixing plate (101) is arranged in a sliding mode, a semi-annular clamping piece (103) is arranged on the surface, opposite to the first fixing plate (101) and the second fixing plate (102), of the first fixing plate (101), the first fixing plate (101) can slide towards the second fixing plate (102), and the oil-gas pressure type oil spraying kettle (104) is clamped and fixed by the clamping piece (103).

5. The isolator lubricator apparatus as claimed in claim 4, wherein: the top of the supporting plate (1) is provided with a first sliding groove (107), the bottom of the first fixing plate (101) is provided with a first sliding block (105), the first sliding block (105) is inserted into the first sliding groove (107), a return spring (106) is arranged in the first sliding groove (107), and when the return spring (106) is in a natural state, the first fixing plate (101) and the second fixing plate (102) are at the shortest interval.

6. The isolating switch lube station of claim 1 wherein: second actuating mechanism (4) are including screw thread lifter (401), elevator motor (403), second guide bar (402) and guide block (404), elevator motor (403) are located on base (5), screw thread lifter (401) are connected the power take off of elevator motor (403), just screw thread lifter (401) vertical setting, be equipped with the screw hole on backup pad (1), screw thread lifter (401) spiro union is in the screw hole, second guide bar (402) with screw thread lifter (401) parallel arrangement, be equipped with guide way (406) on second guide bar (402), guide block (404) are located on backup pad (1), guide block (404) are inserted and are located in guide way (406).

7. The isolating switch lube station of claim 6 wherein: the base (5) is provided with a second sliding groove (407), a second sliding block is arranged at the bottom of the second guide rod (402) and inserted into the second sliding groove (407), the base (5) is provided with a sliding motor (408), and a power output end of the sliding motor (408) is connected with the second guide rod (402), so that the second driving mechanism (4) can drive the second guide rod (402) to slide in the second sliding groove (407), and the guide block (404) can be inserted into or pulled out of the guide groove (406) due to the sliding of the second driving rod.

8. The isolator lubricator apparatus according to claim 7, wherein: the thread lifting rod is characterized in that a limiting mechanism is arranged on the base (5) and comprises a third fixing plate (410), a limiting block (413) and a baffle (412), the third fixing plate (410) is fixed on the base (5), a strip-shaped hole (411) is formed in the third fixing plate (410), the limiting block (413) is arranged on the thread lifting rod (401), the length of the limiting block (413) is smaller than that of the strip-shaped hole (411), the baffle (412) is hinged to the third fixing plate (410), the strip-shaped hole (411) is shielded by the baffle (412), the thread combing rod (415) can normally rotate when the lifting motor (403) rotates forwards, the limiting block (413) can be blocked by the baffle (412) when the lifting motor (403) rotates backwards, and the guide block (404) is right opposite to the guide groove (406).

9. The isolating switch lube station of claim 6 wherein: the top of screw thread lifter (401) is equipped with circular shape limiting plate (405), the diameter of limiting plate (405) is greater than the diameter of screw hole, the top of second guide bar (402) is higher than the top of screw thread lifter (401).

10. The isolator lubricator apparatus according to any one of claims 1 to 9, wherein: the supporting leg comprises a supporting rod (501) fixed at the bottom of the base (5) and a supporting tube (502) screwed on the supporting rod (501), and the supporting tube (502) rotates relative to the supporting rod (501) so that the length of the supporting leg can be increased or decreased.