CN215974784U - Vertical folding type isolating switch holding pole hydraulic lifting device - Google Patents
Vertical folding type isolating switch holding pole hydraulic lifting device Download PDFInfo
- Publication number
- CN215974784U CN215974784U CN202121414996.2U CN202121414996U CN215974784U CN 215974784 U CN215974784 U CN 215974784U CN 202121414996 U CN202121414996 U CN 202121414996U CN 215974784 U CN215974784 U CN 215974784U
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- rotating platform
- lifting device
- lifting mechanism
- hoop
- folding type
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Abstract
The utility model relates to a hydraulic lifting device for a vertical folding type isolating switch holding pole, which comprises a lifting mechanism, at least one connecting piece, a rotating platform, a clamping mechanism and a balancing weight, wherein the lifting mechanism is vertically arranged, the connecting piece is arranged in the middle of the lifting mechanism, the upper part of the lifting mechanism is rotatably connected with the middle of the rotating platform, the clamping mechanism is arranged on one side of the rotating platform, and the balancing weight is connected with the other side of the rotating platform through an adjusting mechanism; the lifting mechanism is electrically connected with the controller; the connecting piece is used for connecting the lifting mechanism with a support provided with an isolating switch in advance, the clamping mechanism is used for fixing the isolating switch, and the adjusting structure is used for adjusting the distance from the balancing weight to the center of the rotating platform so that the balancing weight keeps balance on the rotating platform. The utility model has simple structure, reasonable design, convenient use, low manufacturing cost and high practicability, and can be widely used for the installation of the isolating switch in the transformer substation and the installation of the porcelain insulator and the lightning arrester on the column.
Description
Technical Field
The utility model relates to the technical field of isolating switch installation, in particular to a hydraulic lifting device for a vertical folding isolating switch holding pole.
Background
An isolating switch (commonly called as a knife switch) mainly plays an isolating role in a circuit, is the most used electrical appliance in high-voltage switching electrical appliances, is used for various levels of voltage, is used for changing circuit connection or isolating a circuit or equipment from a power supply, has no current-breaking capacity, and can be operated after the circuit is disconnected by other equipment. At present, vertical folding type disconnecting switches such as GW16-126 type disconnecting switches, GW22-126 type disconnecting switches and the like are commonly applied in an open type transformer substation, in the process of interval expansion, a crane needs to be used for power failure to hoist the disconnecting switches, the disconnecting switches are installed on a support, in the process, the minimum time of 4 hours is needed for the three-phase assembly of the disconnecting switches until the installation is completed, then the whole debugging needs 4 hours, and therefore, a bus needs to be powered off for a long time, the normal operation mode of a power grid is seriously affected, and even a large amount of load loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a hydraulic lifting device for a vertical folding type isolating switch holding pole, so as to solve the problems in the background technology.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
a hydraulic lifting device for a vertical folding type disconnecting switch holding pole comprises a lifting mechanism, at least one connecting piece, a rotating platform, a clamping mechanism and a balancing weight, wherein the lifting mechanism is vertically arranged, the connecting piece is arranged in the middle of the lifting mechanism, the upper part of the lifting mechanism is rotatably connected with the middle of the rotating platform, the clamping mechanism is arranged on one side of the rotating platform, and the balancing weight is connected with the other side of the rotating platform through an adjusting mechanism; the lifting mechanism is electrically connected with the controller;
the connecting piece is used for connecting the lifting mechanism with a support provided with an isolating switch in advance, the clamping mechanism is used for fixing the isolating switch, and the adjusting structure is used for adjusting the distance from the balancing weight to the center of the rotating platform so that the balancing weight keeps balance on the rotating platform.
As a further improvement of the utility model, the connecting piece comprises a hoop I, a support plate and a hoop II, the hoop I and the hoop II are respectively arranged at two ends of the support plate, the hoop I is connected with the lifting mechanism, and the hoop II is connected with a bracket on which the isolating switch is pre-installed.
As a further improvement of the present invention, the lifting mechanism includes a first hydraulic cylinder, a piston of the first hydraulic cylinder is disposed upward and rotatably connected to the rotating table, the first hydraulic cylinder is connected to a hydraulic pump, and the hydraulic pump is electrically connected to the controller.
As a further improvement of the present invention, the lifting mechanism further includes a second hydraulic cylinder disposed below the first hydraulic cylinder and connected to the hydraulic pump, wherein a piston of the second hydraulic cylinder is disposed downward, and a tip of the piston is connected to the balance plate.
As a further improvement of the present invention, the clamping mechanism includes an accommodating groove penetrating through the thickness of the rotating table and a limiting rod, an axis of the limiting rod is perpendicular to a line connecting a center of the rotating table and a center of the accommodating groove, and two ends of the limiting rod are respectively connected to side walls on two sides of the accommodating groove.
As a further improvement of the present invention, the adjusting mechanism includes a T-shaped sliding slot disposed at a lower portion of the rotating table and a sliding block slidably engaged with the sliding slot, and a lower portion of the sliding block is connected to the weight block.
As a further improvement of the utility model, the middle part of the rotating platform is rotationally connected with the lifting mechanism through a bearing.
As a further improvement of the utility model, a pull rope is arranged between the balancing weight and the adjusting mechanism.
As a further improvement of the utility model, the first hydraulic cylinder and the second hydraulic cylinder are connected through a bolt.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
according to the utility model, the time for assembling and installing the isolating switch in the traditional power failure is completed in advance, namely, the isolating switch is not required to be powered off in the process of being installed on the bracket, so that the safe operation risk of a power grid is reduced. When the isolating switch needs to be installed or replaced, the device is installed on the support through the connecting piece, the isolating switch is installed on one side of the rotating platform and fixed through the clamping mechanism, and the balancing weight is installed on the other side of the rotating platform through the adjusting mechanism, so that the forces and the moments on the two sides of the rotating platform are balanced, and the stability of the rotating platform is ensured; the bottom of the lifting mechanism is in contact with the ground, so that the balance of the whole device is maintained, and the stability is enhanced; the lifting mechanism drives the isolating switch to ascend so that the isolating switch base exceeds the position needing to be installed on the support, and the isolating switch base is fixed on the support after the position is proper.
The utility model has simple structure, reasonable design, convenient use, low manufacturing cost and high practicability, and can be widely used for the installation of the isolating switch in the transformer substation and the installation of the porcelain insulator and the lightning arrester on the column.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the adjusting mechanism of the present invention.
Fig. 3 is a schematic structural diagram of the hoop according to the present invention.
Fig. 4 is a front view of the use state of the present invention.
Wherein: the device comprises a lifting mechanism 1, a first hydraulic cylinder 11, a second hydraulic cylinder 12, a balance plate 13, a bolt 14, a connecting piece 2, a hoop I21, a support plate 22, a hoop II 23, a fixed hoop 21-1, a rotating hoop 21-2, a fixed block 21-3, an elastic block 21-4, a rotating platform 3, a bearing 31, a clamping mechanism 4, a holding groove 41, a limiting rod 42, a balancing weight 5, an adjusting mechanism 6, a sliding chute 61, a sliding block 62, a pull rope 63, a driving assembly 64, a motor 64-1, a threaded rod 64-2, a bracket 7, a head plate 71 and an isolating switch 10.
Detailed Description
For the purposes of promoting a clear and complete description of the utility model, and for purposes of making apparent and enabling the utility model to be embodied and broadly described, reference will now be made to the following description of certain embodiments, wherein the terms "center", "vertical", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like are used in the orientation and positional relationship indicated in the drawings, which are for convenience in describing the utility model and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
As shown in fig. 1, the hydraulic lifting device for a vertical folding type disconnecting switch holding pole comprises a lifting mechanism 1, at least one connecting piece 2, a rotating platform 3, a clamping mechanism 4 and a balancing weight 5, wherein the lifting mechanism 1 is vertically arranged, the connecting piece 2 is arranged in the middle of the lifting mechanism 1, the upper part of the lifting mechanism is rotatably connected with the middle of the rotating platform 3, the clamping mechanism 4 is arranged on one side of the rotating platform 3, and the balancing weight 5 is connected with the other side of the rotating platform through an adjusting mechanism 6; the lifting mechanism 1 is electrically connected with the controller; the connecting piece 2 is used for connecting the lifting mechanism 1 with the support 7 of pre-installing the isolating switch 10, the clamping mechanism 4 is used for fixing the isolating switch 10, and the adjusting structure 6 is used for adjusting the distance between the counterweight block 5 and the center of the rotating platform 3 so as to ensure that the counterweight block 5 keeps balance on the rotating platform 3. Further, the middle part of the rotating platform 3 is rotatably connected with the lifting mechanism 1 through a bearing 31, so that the rotating platform 3 can rotate around the lifting mechanism 1.
When the isolating switch 10 needs to be installed or replaced, power failure is not needed, the device is installed on a support 7 of the pre-installed isolating switch 10 through a connecting piece 2, the isolating switch 10 is installed on one side of a rotating platform 3 and is fixed through a clamping mechanism 4, a balancing weight 5 is installed on the other side of the rotating platform 3 through an adjusting mechanism 6, force and moment on two sides of the rotating platform 3 are balanced, and stability of the rotating platform 3 is guaranteed; the lifting mechanism 1 drives the isolating switch 10 to ascend to a position to be installed, the bottom of the lifting mechanism 1 is in contact with the ground, the balance of the whole device is maintained, and the stability is enhanced; as shown in fig. 4, the disconnection switch is mounted on the head plate 71. The adjusting mechanism 6 is used for adjusting the position of the counterweight 5 to the center of the rotating platform 3, namely adjusting the force arm and the moment of the counterweight 5.
As shown in fig. 1 and 3, the connector 2 includes a hoop i 21, a support plate 22 and a hoop ii 23, the hoop i 21 and the hoop ii 23 are respectively disposed at two ends of the support plate 22, the hoop i 21 is connected to the lifting mechanism 1, and the hoop ii 23 is connected to the bracket 7 on which the disconnecting switch 10 is pre-installed. Utilize staple bolt and elevating system 1 and support 7 to be connected, after installing isolator 10, can be convenient dismantle this device from support 7, arrange in order to collect or use on other support 7.
A plurality of elastic blocks 21-4 can be fixedly arranged on the inner side of the hoop, so that the friction between the hoop and the support 7 or between the hoop and the lifting mechanism 1 is increased, and the hoop can tightly hold the support 7 or the lifting mechanism 1. In this embodiment, the staple bolt adopts following structure: the hoop comprises a fixed hoop 21-1 and a rotating hoop 21-2, one end of the fixed hoop 21-1 is rotatably connected with one end of the rotating hoop 21-2 through a pin shaft, and the other end of the fixed hoop is detachably connected with the other end of the rotating hoop; the outer side surface of the fixing hoop 21-1 is provided with a supporting plate 22. One side of the fixed hoop 21-1 detachably connected with the rotating hoop 21-2 extends downwards to form a fixed block 21-3, a through hole is formed in the fixed block 21-3, and the fixed hoop 21-1 is connected with the rotating hoop 21-2 through a connecting bolt 14. When the lifting device is used, the fixed hoop 21-1 and the rotating hoop 21-2 can be separated by opening the bolt 14 and sleeved outside the bracket 7 or the lifting mechanism 1, and then the fixed hoop 21-1 and the rotating hoop 21-2 are locked by the bolt 14.
In a possible implementation manner, the lifting mechanism 1 includes a first hydraulic cylinder 11, a piston of the first hydraulic cylinder 11 is disposed upward, and is rotatably connected to the rotating platform 3, and the first hydraulic cylinder 11 is connected to a hydraulic pump, which is electrically connected to the controller. Namely, the outer wall of the piston is sleeved with the bearing 31 and is in small clearance fit or interference fit with the inner ring of the bearing 31, and the outer ring of the bearing 31 is also in small clearance fit or interference fit with the rotating platform 3, so that the rotating platform 3 is prevented from falling off due to connection looseness. When the hydraulic cylinder is used, the bottom of the first hydraulic cylinder 11 is in contact with the ground.
In another possible implementation manner, the lifting mechanism 1 further includes a second hydraulic cylinder 12 disposed below the first hydraulic cylinder 11 and connected to the hydraulic pump, a piston of the second hydraulic cylinder 12 is disposed downward, and a distal end of the piston is connected to the balance plate 13. The first hydraulic cylinder 11 and the second hydraulic cylinder 12 are connected to each other by a bolt 14. When the lifting device is connected with the support 7, the bottom of the lifting device can be contacted with the ground by utilizing the telescopic performance of the second hydraulic cylinder 12, so that the support 7 does not bear lateral shearing force.
In this embodiment, the clamping mechanism 4 includes a receiving groove 41 and a limiting rod 42 penetrating through the thickness of the rotating platform 3, and the limiting rod 42 is perpendicular to a connecting line between the center of the rotating platform 3 and the center of the receiving groove 41 and is connected to the side walls on both sides of the receiving groove 41. The upper part of the isolating switch 10 penetrates through the limiting rod 42 to fix the whole isolating switch 10 on the rotating platform 3.
As shown in fig. 2, the adjusting mechanism 6 includes a T-shaped sliding groove 61 provided at a lower portion of the rotating table 3 and a slider 62 slidably engaged with the sliding groove 61, and a lower portion of the slider 62 is connected to the weight 5. A pull rope 63 is arranged between the counterweight block 5 and the adjusting mechanism 6, namely the counterweight block 5 is connected with the sliding block 62 through the pull rope 63, and the sliding block 62 slides in the sliding groove 61 to drive the counterweight block 5 to change in position, so that the force arm is adjusted.
For the convenience of control, the adjusting mechanism 6 further comprises a driving assembly 64, the driving assembly 64 is connected with a controller for driving the sliding block 62 to move, the driving assembly 64 comprises a motor 64-1 and a threaded rod 64-2, the motor 64-1 is arranged at one end of the inside of the sliding chute 61 far away from the lifting device, and is connected with the rotating table 3 through a motor 64-1 seat, an output shaft of the motor is connected with the threaded rod 64-2, the threaded rod 64-2 is arranged inside the sliding chute 61, and the extending direction of the threaded rod 64-2 is consistent with the moving direction of the sliding block 62; the inside of the sliding block 62 is provided with internal threads meshed with the threaded rod 64-2, and the threaded rod 64-2 penetrates through the sliding block 62 and is in threaded connection with the sliding block 62. The motor 64-1 is connected with the controller, and the motor 64-1 can be rotated by operating the controller, so that the sliding block 62 is controlled to slide in the sliding groove 61.
In the device, one end of the slide block 62 close to the lifting device can be provided with a displacement sensor; the controller comprises a control module, an input module, a calculation module and a motor control module, wherein the input module is connected with the control module; the input module is used for inputting the gravity of the isolating switch 10, the gravity of the balancing weight 5 and the displacement from the clamping mechanism to the center of the rotating platform 3 by a worker, and transmitting the input signal to the calculation module; the calculation module is connected with the displacement sensor and is used for receiving a displacement signal from the sliding block 62 to the center of the rotating platform 3, calculating the displacement of the balancing weight 5 which should move according to the received signal transmitted by the input module and transmitting the calculated displacement to the control module; the control module outputs a dynamic control instruction to the motor control module according to the displacement signal transmitted by the computing module, and the motor control module is connected with the motor 64-1 and controls the start and stop of the motor 64-1.
The calculation module calculates the displacement of the counterweight 5 to be moved by using a moment calculation formula of 'moment = force x moment arm (displacement)' and a moment balance formula, and transmits displacement data to the control module, and the control module outputs a dynamic control instruction to the motor control module to control the motor to be started. The motor is started to drive the threaded rod to rotate, so that the sliding block is driven to move until the displacement data received by the displacement sensor is consistent with the displacement data calculated by the calculation module, and the motor control module controls the motor to stop. The whole automation degree is high, manual operation is reduced, and manpower is saved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a pole hydraulic lifting device is embraced to foldable isolator perpendicularly which characterized in that: the lifting mechanism (1) is vertically arranged, the connecting piece (2) is arranged in the middle of the lifting mechanism, the upper portion of the lifting mechanism is rotatably connected with the middle of the rotating platform (3), the clamping mechanism (4) is arranged on one side of the rotating platform (3), and the other side of the rotating platform is connected with the balancing weight (5) through an adjusting mechanism (6); the lifting mechanism (1) is electrically connected with the controller;
connecting piece (2) are used for with elevating system (1) and support (7) of installing isolator (10) in advance are connected, clamping mechanism (4) are used for fixed isolator (10), adjustment mechanism (6) are used for adjusting balancing weight (5) arrive the distance at revolving stage (3) center and then make balancing weight (5) keep the balance on revolving stage (3).
2. The vertical folding type disconnecting switch holding pole hydraulic lifting device according to claim 1, characterized in that: the connecting piece (2) comprises a hoop I (21), a supporting plate (22) and a hoop II (23), the hoop I (21) and the hoop II (23) are respectively arranged at two ends of the supporting plate (22), the hoop I (21) is connected with the lifting mechanism (1), and the hoop II (23) is connected with a support (7) which is provided with the isolating switch (10) in advance.
3. The vertical folding type disconnecting switch holding pole hydraulic lifting device according to claim 1, characterized in that: elevating system (1) includes first pneumatic cylinder (11), the piston of first pneumatic cylinder (11) upwards set up with revolving stage (3) rotate and are connected, just first pneumatic cylinder (11) and hydraulic pump connection, the hydraulic pump with controller electric connection.
4. The vertical folding type disconnecting switch holding pole hydraulic lifting device according to claim 3, characterized in that: the lifting mechanism (1) further comprises a second hydraulic cylinder (12) which is arranged on the lower portion of the first hydraulic cylinder (11) and connected with the hydraulic pump, a piston of the second hydraulic cylinder (12) is arranged downwards, and the tail end of the piston is connected with a balance plate (13).
5. The vertical folding type disconnecting switch holding pole hydraulic lifting device according to claim 1, characterized in that: clamping mechanism (4) are including running through storage tank (41) and gag lever post (42) of the thickness of revolving stage (3), the axis perpendicular to of gag lever post (42) the centre of a circle of revolving stage (3) with the line at the center of storage tank (41), the both ends of gag lever post (42) with the both sides lateral wall of storage tank (41) is connected.
6. The vertical folding type disconnecting switch holding pole hydraulic lifting device according to claim 1, characterized in that: adjustment mechanism (6) including set up in spout (61) of the T shape of revolving stage (3) lower part and with spout (61) sliding fit's slider (62), the sub-unit connection of slider (62) balancing weight (5).
7. The vertical folding type disconnecting switch holding pole hydraulic lifting device according to claim 1, characterized in that: the middle part of the rotating platform (3) is rotationally connected with the lifting mechanism (1) through a bearing (31).
8. The vertical folding type disconnecting switch holding pole hydraulic lifting device according to claim 1, characterized in that: a pull rope (63) is arranged between the balancing weight (5) and the adjusting mechanism (6).
9. The vertical folding type disconnecting switch holding pole hydraulic lifting device according to claim 4, characterized in that: the first hydraulic cylinder (11) and the second hydraulic cylinder (12) are connected through a bolt (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121414996.2U CN215974784U (en) | 2021-06-24 | 2021-06-24 | Vertical folding type isolating switch holding pole hydraulic lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121414996.2U CN215974784U (en) | 2021-06-24 | 2021-06-24 | Vertical folding type isolating switch holding pole hydraulic lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215974784U true CN215974784U (en) | 2022-03-08 |
Family
ID=80517757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121414996.2U Expired - Fee Related CN215974784U (en) | 2021-06-24 | 2021-06-24 | Vertical folding type isolating switch holding pole hydraulic lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215974784U (en) |
-
2021
- 2021-06-24 CN CN202121414996.2U patent/CN215974784U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |
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| CF01 | Termination of patent right due to non-payment of annual fee |