CN210039980U - Vehicular bypass load switch fixing device - Google Patents
Vehicular bypass load switch fixing device Download PDFInfo
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- CN210039980U CN210039980U CN201920708372.8U CN201920708372U CN210039980U CN 210039980 U CN210039980 U CN 210039980U CN 201920708372 U CN201920708372 U CN 201920708372U CN 210039980 U CN210039980 U CN 210039980U
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- arm
- rotating shaft
- auxiliary arm
- main arm
- load switch
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Abstract
The utility model provides a vehicle-mounted bypass load switch fixing device, which comprises a base, a main arm and an auxiliary arm, wherein the base is fixed on a vehicle-mounted platform; the lower end of the main arm is rotatably connected to the base through a first rotating shaft; the upper end of the auxiliary arm is rotatably connected to the upper end of the main arm through a second rotating shaft; the first rotating shaft is parallel to the second rotating shaft; the base is provided with a rotary driving unit; the rotation driving unit is connected with the main arm through a first rotation transmission unit and drives the main arm to rotate; meanwhile, the rotation driving unit is connected with the auxiliary arm through a second rotation transmission unit and drives the auxiliary arm to rotate; the rotation driving unit drives the main arm and the auxiliary arm to synchronously rotate along opposite directions; the rotating angle of the main arm relative to the base is the same as that of the auxiliary arm relative to the main arm; and a lifting platform for mounting the bypass load switch is also arranged on one side surface of the auxiliary arm. The utility model is used by the control system, thereby saving labor intensity and improving operation efficiency; the auxiliary arm is always in a vertical state, the structure is compact, and the safety is high.
Description
Technical Field
The utility model relates to an electrical construction equipment field especially relates to a vehicular bypass load switch's fixing device.
Background
In order to improve the power supply reliability of a power grid, the conventional power grid maintenance operation realizes the power grid uninterrupted operation by using a bypass load switch. At present, a bypass load switch is generally transported to an operation site as an independent device and is connected with a bypass cable and the like, a temporary bypass system is built through the bypass load switch, load transfer of a distribution network line is achieved, a bypass system is formed, and the purpose of maintenance without power outage is achieved.
At present, two modes of transporting the bypass load switch to an operation site and carrying out operation are adopted, one mode is directly used as independent equipment, the bypass load switch is transported to an operation position after being transported to the site by a transport vehicle and then is fixed on an electric pole in a hoisting mode, and the mode is easy to collide and damage during transportation due to the fact that a special fixing device is not arranged, and time and labor are wasted due to the fact that manual transportation and hoisting are needed on the site; the other mode is that the bypass load switch is fixedly installed in a special vehicle as special equipment, and a special switch fixing device is arranged in the special vehicle, so that the transportation safety of the bypass load switch can be effectively protected.
For example, patent No. CN205344656U discloses a removable bypass switch car, which includes a car chassis, a carriage and a load switch cart with guide wheels, and when the load switch is used, the cart with the load switch is manually moved out of the carriage by using a guide rail.
Patent No. CN204020674U utility model discloses a take flexible rotary device's bypass switch car, including vehicle chassis, carriage, load switch and flexible rotary device, when using load switch, flexible rotary device stretches out the carriage earlier, then unscrews load switch. The method has the advantages that the problem of reliable fixing protection in the transportation process of the bypass load switch is solved, but the bypass load switch still needs to be moved out of a vehicle through a special device during field operation, at present, a vehicle-mounted hoisting mechanism or a slideway mode is generally adopted, the load switch is moved to the outside of a carriage, and is manually transported and hoisted to be fixed on an electric pole, so that the operation is inconvenient. Although the scheme has a certain automatic function, the problems of the operation height of the load switch and the reduction of the space of the vehicle-mounted platform cannot be effectively solved. The bypass load switch is generally switched on and off by adopting a special operating rod so as to ensure the safe distance between an operator and the bypass load switch, and the bypass load switch is operated in a vehicle or on a vehicle-mounted platform and cannot ensure the effective operating height under the limitation of the vehicle or the vehicle-mounted platform.
The known technical scheme solves the problems of transportation fixation of the bypass load switch or transportation from the inside of a vehicle to the outside of the vehicle, cannot solve the problem of safe operation distance when the bypass load switch is used due to the influence of a fixing device on an installation space inside the vehicle, and simultaneously, the installation size of the vehicle-mounted fixing device cannot meet the requirement of the operation height due to the fact that the operation height of a switching-on and switching-off device of the bypass load switch is different from the operation height when an operation cable is connected, and operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a vehicular bypass load switch fixing device, during installation operation bypass load switch's operation, convenient operation, the availability factor is high, and the security is high.
The technical scheme is as follows: the utility model provides a vehicle-mounted bypass load switch fixing device, which comprises a base, a main arm and an auxiliary arm, wherein the base is fixed on a vehicle-mounted platform; the lower end of the main arm is rotatably connected to the base through a first rotating shaft; the upper end of the auxiliary arm is rotatably connected to the upper end of the main arm through a second rotating shaft; the first rotating shaft is parallel to the second rotating shaft;
the base is provided with a rotary driving unit; the rotation driving unit is connected with the main arm through a first rotation transmission unit and drives the main arm to rotate; meanwhile, the rotation driving unit is connected with the auxiliary arm through a second rotation transmission unit and drives the auxiliary arm to rotate; the rotation driving unit drives the main arm and the auxiliary arm to synchronously rotate along opposite directions; the rotating angle of the main arm relative to the base is the same as that of the auxiliary arm relative to the main arm;
and a lifting platform for mounting a bypass load switch is further arranged on one side face of the auxiliary arm, and the lifting platform can slide along the extension direction of the auxiliary arm.
Further, the rotary driving unit comprises a driving rotating shaft; the first rotating shaft is fixedly connected to the lower end of the main arm and is parallel to the driving rotating shaft, the first rotating shaft is rotatably connected to the base, the second rotating shaft is fixedly connected to the upper end of the auxiliary arm, and the second rotating shaft is rotatably connected to the upper end of the main arm;
the first rotary transmission unit comprises a driving gear arranged on the driving rotating shaft; the driving gear is meshed with the driven gear;
the second rotary transmission unit comprises a driving chain wheel arranged on the driving rotating shaft; the driven chain wheel is arranged on the second rotating shaft, and the driven chain wheel and the driving chain wheel are in matched connection through chain transmission; and the transmission ratio of the driving gear to the driven gear is equal to the transmission ratio of the driving chain wheel to the driven chain wheel.
Further, the second rotary transmission unit comprises two groups of chain wheel transmission mechanisms, and the number of the driven chain wheels of the driving chain wheel and the number of the chains are two respectively; the driving chain wheels are symmetrically arranged on two sides of the driving gear.
Furthermore, the middle part of the main arm is also provided with two guide wheels which are respectively meshed with the chains at the two sides.
Furthermore, a T-shaped sliding rail is arranged on the lifting platform; a T-shaped sliding groove is formed in one side face, on which the lifting platform is arranged, of the auxiliary arm in the extending direction of the auxiliary arm; the T-shaped slide rail is embedded in the T-shaped slide groove in a sliding manner.
Furthermore, a groove used for containing the auxiliary arm is formed in one side, adjacent to the auxiliary arm, of the main arm.
Furthermore, the lifting platform is connected with a hydraulic cylinder for driving the lifting platform to lift; the hydraulic cylinder is fixed on the auxiliary arm.
Furthermore, the driving rotating shaft is connected with a hydraulic motor; the hydraulic motor is fixed on the vehicle-mounted platform.
Further, the device also comprises a control device; the control device comprises a controller for controlling the switch of the hydraulic motor and the expansion and contraction of the hydraulic cylinder;
the angle sensor is used for measuring the rotation angle of the main arm; the angle sensor sends a signal to the controller when the main arm rotates to be horizontal or vertical, and the controller sends a stop signal to the hydraulic motor;
the device also comprises a distance sensor for measuring the relative position of the lifting platform on the auxiliary arm; and when the distance sensor measures that the lifting platform slides to the upper end part and the lower end part of the auxiliary arm, a signal is sent to the controller, and the controller sends a signal for stopping stretching to the hydraulic cylinder.
Has the advantages that: the utility model discloses the auxiliary boom is folded and is hidden and imbed in the main boom when the transportation state to the main boom is stood vertically in vehicle platform, and occupation space is less, when solving vehicle platform installation space less, bypass load switch's fixed mounting problem; during operation, the main arm rotates to the outside of the vehicle-mounted platform, the bypass load switch is transferred from the inside of the vehicle-mounted platform to the outside, and only the main arm is reserved to be connected with the vehicle-mounted platform, so that the space around the base on the vehicle-mounted platform can be further utilized, and the operation, the taking and the placing of other equipment are not influenced.
The bypass load switch is fixed on the lifting platform, and the ground clearance of the bypass load switch can be adjusted through the control system, so that the bypass load switch can be conveniently connected with the operation cable; the operating distance requirement of the bypass load switch can be ensured.
The guide wheel arranged on the main arm improves the stability of the chain in the rotating process along with the main arm.
The auxiliary arm rotates synchronously with the main arm, so that the auxiliary arm is always in a vertical state, and the problem of independent control of the auxiliary arm is solved, and the integral structure is more compact.
The utility model discloses an use and realize through control system, save site operation personnel's intensity of labour, improve the operating efficiency.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a side view of the structure of the present invention;
FIG. 3 is a structural diagram of the lifting platform of the present invention;
fig. 4 is a control logic diagram of the control device of the present invention.
Detailed Description
As shown in fig. 1 and 2, a vehicle-mounted bypass load switch fixing device comprises a base 1 fixed on a vehicle-mounted platform, a main arm 2 and an auxiliary arm 3; the lower end of the main arm 2 is rotatably connected to the base 1 through a first rotating shaft 7; the upper end of the auxiliary arm 3 is rotatably connected to the upper end of the main arm 2 through a second rotating shaft 9; the first rotation shaft 7 is parallel to the second rotation shaft 9.
The base 1 is provided with a rotary driving unit; the rotation driving unit is connected with the main arm 2 through a first rotation transmission unit and drives the main arm 2 to rotate; meanwhile, the rotation driving unit is connected with the auxiliary arm 3 through a second rotation transmission unit and drives the auxiliary arm 3 to rotate.
The rotation driving unit includes a driving shaft 4 and a hydraulic motor 16 for driving the driving shaft 4 to rotate.
The first rotating shaft 7 is fixedly connected to the lower end of the main arm 2 and is parallel to the driving rotating shaft 4; the base 1 is provided with a mounting hole, and the first rotating shaft 7 penetrates through the mounting hole of the base 1 and is rotatably connected to the base 1.
The second rotating shaft 9 is fixedly connected to the upper end of the auxiliary arm 3; the upper end of the main arm 2 is provided with a mounting hole, and the second rotating shaft 9 penetrates through the mounting hole of the main arm 2 and is rotatably connected to the upper end of the main arm 2.
The first rotary transmission unit comprises a driving gear 5 arranged on a driving rotating shaft 4; the device further comprises a driven gear 8 arranged on the first rotating shaft 7, and the driven gear 8 is in meshed connection with the driving gear 5.
The second rotary transmission unit comprises a driving chain wheel 6 arranged on the driving rotating shaft 4; the chain transmission device further comprises a driven chain wheel 10 arranged on the second rotating shaft 9, and the driven chain wheel 10 is in transmission matched connection with the driving chain wheel 6 through a chain 11.
The above-described configurations of the first rotation transmission unit and the second rotation transmission unit realize that the rotation driving unit drives the main arm 2 and the sub arm 3 to rotate synchronously in opposite directions.
And the transmission ratio of the driving gear 5 to the driven gear 8 is equal to the transmission ratio of the driving chain wheel 6 to the driven chain wheel 10; this ensures that the first and second shafts 7 and 9 rotate synchronously by the same angle under the rotational drive of the drive shaft 4.
In order to ensure the transmission stability between the driving rotating shaft 4 and the auxiliary arm 3, the second rotary transmission unit comprises two groups of chain wheel transmission mechanisms, and the number of the driving chain wheel 6, the number of the driven chain wheel 10 and the number of the chains 11 are respectively two; the driving chain wheels 6 are symmetrically arranged on two sides of the driving gear 5, so that the stress of the driving rotating shaft 4 is balanced, and the stability is stronger.
The middle part of the main arm 2 is also provided with two guide wheels 17 which are respectively meshed with the chains 11 on the two sides to play a role in guiding, and the stability of the chains 11 in the rotating process along with the main arm 2 is improved.
And a lifting platform 12 for installing a bypass load switch is further arranged on one side surface of the auxiliary arm 3, and the lifting platform 12 can slide along the extension direction of the auxiliary arm.
A T-shaped slide rail 13 shown in fig. 3 is arranged on the lifting platform 12; a T-shaped sliding groove 14 is formed in one side face, on which the lifting platform 12 is arranged, of the auxiliary arm 3 in the extending direction of the auxiliary arm 3; the T-shaped slide rail 13 is slidably embedded in the T-shaped slide groove 14. The lifting platform 12 is connected with a hydraulic cylinder 15 for driving the lifting platform 12 to lift; the hydraulic cylinder 15 is fixed to the sub-arm 3.
And a groove for containing the auxiliary arm 3 is arranged on one side of the main arm 2 adjacent to the auxiliary arm 3.
The utility model discloses still include controlling means. The control means comprise a controller for controlling the opening and closing of the hydraulic motor 16 and the extension and retraction of the hydraulic cylinder 15. The controller starts the hydraulic motor through the first electromagnetic valve and controls the hydraulic cylinder 15 to stretch through the second electromagnetic valve.
The control device further comprises an angle sensor for measuring the rotation angle of the main arm 2; the angle sensor sends a signal to the controller when the main arm 2 rotates to be horizontal or vertical, and the controller sends a stop signal to the hydraulic motor 16.
The control device further comprises a distance sensor for measuring the relative position of the lifting platform 12 on the secondary arm 3; when the distance sensor measures that the lifting platform 12 slides to the upper end part and the lower end part of the auxiliary arm 3, a signal is sent to the controller, and the controller sends a signal for stopping stretching to the hydraulic cylinder 15. The two distance sensors are respectively arranged at the upper end and the lower end of the auxiliary arm 3 and used for measuring the distance between the lifting platform 12 and the distance sensors.
Referring to fig. 4, the method for installing and operating the bypass load switch by using the vehicle-mounted bypass load switch fixing device comprises the following steps:
s1, keeping the main arm 2 and the auxiliary arm 3 on the vehicle vertical to the initial state, and installing a bypass load switch on the lifting platform 12;
s2, operating the controller, starting the hydraulic motor 16 through the first electromagnetic valve, and driving the main arm 2 and the auxiliary arm 3 to rotate, wherein because the synchronous rotating angles of the main arm 2 and the auxiliary arm 3 are the same, the included angle between the main arm 2 and the vertical line is consistent with the included angle between the main arm 2 and the auxiliary arm 3, and the auxiliary arm 3 is always in a vertical state; when the main arm 2 rotates to a horizontal state, a signal is sent to the controller, and the controller sends a stop signal to the hydraulic motor 16;
s3, operating the controller, controlling the hydraulic cylinder 15 to stretch through the second electromagnetic valve, and moving the lifting platform 12 to a proper height for connecting the bypass load switch and the operation cable; when the lifting platform 12 moves to the upper end part and the lower end part of the auxiliary arm 3, the distance sensor sends a signal to the controller, and the controller sends a signal for stopping stretching to the hydraulic cylinder 15;
s4, connecting the operation cable with the bypass load switch;
s5, operating the controller to control the hydraulic cylinder 15 to stretch and retract, and moving the lifting platform 12 to a proper height for operating the opening and closing of the bypass load switch; when the lifting platform 12 moves to the upper end part and the lower end part of the auxiliary arm 3, the distance sensor sends a signal to the controller, and the controller sends a signal for stopping stretching to the hydraulic cylinder 15;
s6, operating the opening and closing of the bypass load switch;
s7, after the operation is finished, operating the controller to control the hydraulic cylinder 15 to stretch and retract, and moving the lifting platform 12 to a proper height for releasing the connection between the bypass load switch and the operation cable; when the lifting platform 12 moves to the upper end part and the lower end part of the auxiliary arm 3, the distance sensor sends a signal to the controller, and the controller sends a signal for stopping stretching to the hydraulic cylinder 15;
s8, releasing the connection between the operation cable and the bypass load switch;
s9, operating the controller, starting the hydraulic motor 16, and driving the main arm 2 and the auxiliary arm 3 to rotate; when the main arm 2 rotates to a vertical state, a signal is sent to the controller, and the controller sends a stop signal to the hydraulic motor 16; the sub-arm 3 is vertically held to receive the recess of the main arm 2.
Claims (9)
1. The utility model provides a vehicular bypass load switch fixing device which characterized in that: comprises a base (1) fixed on a vehicle-mounted platform, a main arm (2) and an auxiliary arm (3); the lower end of the main arm (2) is rotatably connected to the base (1) through a first rotating shaft (7); the upper end of the auxiliary arm (3) is rotatably connected to the upper end of the main arm (2) through a second rotating shaft (9); the first rotating shaft (7) is parallel to the second rotating shaft (9);
the base (1) is provided with a rotary driving unit; the rotary driving unit is connected with the main arm (2) through a first rotary transmission unit and drives the main arm (2) to rotate; meanwhile, the rotation driving unit is connected with the auxiliary arm (3) through a second rotation transmission unit and drives the auxiliary arm (3) to rotate; the rotation driving unit drives the main arm (2) and the auxiliary arm (3) to synchronously rotate along opposite directions; the rotating angle of the main arm (2) relative to the base (1) is the same as the rotating angle of the auxiliary arm (3) relative to the main arm (2);
and a lifting platform (12) for mounting a bypass load switch is further arranged on one side face of the auxiliary arm (3), and the lifting platform (12) can slide along the extension direction of the auxiliary arm.
2. The vehicle-mounted bypass load switch fixing device according to claim 1, wherein: the rotary driving unit comprises a driving rotating shaft (4); the first rotating shaft (7) is fixedly connected to the lower end of the main arm (2) and is parallel to the driving rotating shaft (4), the first rotating shaft (7) is rotatably connected to the base (1), the second rotating shaft (9) is fixedly connected to the upper end of the auxiliary arm (3), and the second rotating shaft (9) is rotatably connected to the upper end of the main arm (2);
the first rotary transmission unit comprises a driving gear (5) arranged on a driving rotating shaft (4); the driving gear (5) is meshed with the driven gear (8);
the second rotary transmission unit comprises a driving chain wheel (6) arranged on the driving rotating shaft (4); the chain transmission mechanism further comprises a driven chain wheel (10) arranged on the second rotating shaft (9), and the driven chain wheel (10) is in transmission matched connection with the driving chain wheel (6) through a chain (11);
the transmission ratio of the driving gear (5) to the driven gear (8) is equal to the transmission ratio of the driving chain wheel (6) to the driven chain wheel (10).
3. The vehicle-mounted bypass load switch fixing device according to claim 2, wherein: the second rotary transmission unit comprises two groups of chain wheel transmission mechanisms, and the number of the driving chain wheel (6), the driven chain wheel (10) and the chain (11) is two; the driving chain wheels (6) are symmetrically arranged on two sides of the driving gear (5).
4. The vehicle-mounted bypass load switch fixing device according to claim 3, wherein: the middle part of the main arm (2) is also provided with two guide wheels (17) which are respectively meshed and connected with the chains (11) at the two sides.
5. The vehicle-mounted bypass load switch fixing device according to any one of claims 2 to 4, wherein: a T-shaped sliding rail (13) is arranged on the lifting platform (12); a T-shaped sliding groove (14) is formed in one side face, on which the lifting platform (12) is arranged, of the auxiliary arm (3) along the extending direction of the auxiliary arm (3); the T-shaped slide rail (13) is embedded in the T-shaped slide groove (14) in a sliding manner.
6. The vehicle-mounted bypass load switch fixing device according to claim 5, wherein: and a groove for containing the auxiliary arm (3) is formed in one side, adjacent to the auxiliary arm (3), of the main arm (2).
7. The vehicle-mounted bypass load switch fixing device according to claim 5, wherein: the lifting platform (12) is connected with a hydraulic cylinder (15) for driving the lifting platform (12) to lift; the hydraulic cylinder (15) is fixed on the auxiliary arm (3).
8. The vehicle-mounted bypass load switch fixing device according to claim 7, wherein: the driving rotating shaft (4) is connected with a hydraulic motor (16); the hydraulic motor (16) is fixed on the vehicle-mounted platform.
9. The vehicle-mounted bypass load switch fixing device according to claim 8, wherein: also comprises a control device; the control device comprises a controller for controlling the switch of the hydraulic motor (16) and the extension and contraction of the hydraulic cylinder (15);
the angle sensor is used for measuring the rotating angle of the main arm (2); the angle sensor sends a signal to the controller when the main arm (2) rotates to be horizontal or vertical, and the controller sends a stop signal to the hydraulic motor (16);
the device also comprises a distance sensor for measuring the relative position of the lifting platform (12) on the auxiliary arm (3); when the distance sensor measures that the lifting platform (12) slides to the upper end part and the lower end part of the auxiliary arm (3), a signal is sent to the controller, and the controller sends a signal for stopping stretching to the hydraulic cylinder (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920708372.8U CN210039980U (en) | 2019-05-17 | 2019-05-17 | Vehicular bypass load switch fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920708372.8U CN210039980U (en) | 2019-05-17 | 2019-05-17 | Vehicular bypass load switch fixing device |
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| Publication Number | Publication Date |
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| CN210039980U true CN210039980U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920708372.8U Active CN210039980U (en) | 2019-05-17 | 2019-05-17 | Vehicular bypass load switch fixing device |
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| CN (1) | CN210039980U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110033964A (en) * | 2019-05-17 | 2019-07-19 | 徐州海伦哲特种车辆有限公司 | A kind of fixed device of vehicular bypass load-switch and its application method |
-
2019
- 2019-05-17 CN CN201920708372.8U patent/CN210039980U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110033964A (en) * | 2019-05-17 | 2019-07-19 | 徐州海伦哲特种车辆有限公司 | A kind of fixed device of vehicular bypass load-switch and its application method |
| CN110033964B (en) * | 2019-05-17 | 2024-04-26 | 徐州海伦哲特种车辆有限公司 | Vehicle-mounted bypass load switch fixing device and application method thereof |
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