CN214590171U - External hanging type driving device and chassis vehicle - Google Patents
External hanging type driving device and chassis vehicle Download PDFInfo
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- CN214590171U CN214590171U CN202120275650.2U CN202120275650U CN214590171U CN 214590171 U CN214590171 U CN 214590171U CN 202120275650 U CN202120275650 U CN 202120275650U CN 214590171 U CN214590171 U CN 214590171U
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Abstract
The utility model relates to an outer hanging drive arrangement and chassis car, this outer hanging drive arrangement use on being provided with the cubical switchboard of mechanical type chassis car, include: the base plate is arranged on a cabinet door of the switch cabinet; the inward end of the coupling device penetrates through the base plate, and the inward end of the coupling device is connected with a screw joint of the mechanical chassis truck; a motor disposed on the substrate; the transmission device is arranged between the motor and the coupling device, and an output shaft of the motor drives the coupling device to rotate through the transmission device; and the controller is arranged on the substrate and is connected with and controls the motor. The externally-hung driving device of the embodiment has the advantages of simple structure, small volume and easy installation, adopts an externally-hung structure, and is suitable for transforming a switch cabinet adopting a mechanical chassis; compared with a built-in electric chassis vehicle, the externally-hung driving device of the embodiment is more convenient to transform an electric cabinet without an electric cabinet, does not need a clutch, is simple in machinery, has fewer faults, and can realize more accurate load detection and control.
Description
Technical Field
The utility model relates to a cubical switchboard equipment field, in particular to use outer hanging drive arrangement on cubical switchboard to and install outer hanging drive arrangement's chassis car.
Background
Vacuum circuit breakers are common devices in the power industry and are generally installed in switchgear cabinets for the closed breaking of electrical circuits and for carrying load currents. The daily maintenance of cubical switchboard needs to move vacuum circuit breaker between operating position and experimental position, perhaps moves vacuum circuit breaker outside the cabinet body and detects or change.
Vacuum interrupters are very heavy and must be supported by a chassis truck to be accessible. Common chassis vehicles include mechanical chassis vehicles and built-in electric chassis vehicles. The mechanical chassis vehicle adopts a screw structure, a rocking handle is required to be inserted into a square screw joint exposed outside a switch cabinet door by hands, and the rocking handle is rotated by manpower to twist a screw, so that a bearing platform with four wheels is driven to move horizontally, and a vacuum circuit breaker arranged on the bearing platform moves in or out. The chassis truck with the built-in electric drive is characterized in that a linkage chain sprocket, a clutch, a reduction gearbox and a small motor are built in the chassis truck on the basis of a mechanical chassis truck, and the chassis truck can be driven to enter and exit electrically; when manual operation is needed, the clutch disengages the electric device from the screw rod, so that the manual operation is not influenced while the safety is ensured.
The mechanical chassis vehicle needs manual operation, cannot realize automation and remote operation, and has poor safety as an electric chassis vehicle.
The built-in electric chassis vehicle has compact structure and can be electrically operated, and the functional requirements of the electric operation are met. However, the components such as the high-speed motor, the large-scale reduction box, the clutch and the like adopted by the structure also bring the following problems:
the clutch is easily damaged;
the reduction gearbox has low efficiency, so that the load current and the actual load have no accurate proportional relation, and locked rotor protection is difficult to set, or the locked rotor protection is too sensitive, or the locked rotor protection is not effective after mechanical damage;
the inability to perform accurate load resistance detection;
the accumulated error is large due to the gear clearance of the reduction gearbox, and the precise positioning control is difficult to perform;
the controller has no speed-position curve planning function, nor intelligent analysis function.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an outer hanging drive arrangement adopts external electric actuator, combines with the chassis car of mechanical type, realizes vacuum circuit breaker's electric movable function.
According to the utility model discloses an outer hanging drive arrangement of first aspect embodiment uses on the cubical switchboard that is provided with mechanical type chassis car, include: the base plate is arranged on a cabinet door of the switch cabinet; the coupling device is arranged on the base plate, one inward end of the coupling device penetrates through the base plate, and the inward end of the coupling device is connected with a screw joint of the mechanical chassis truck; a motor disposed on the substrate; the transmission device is arranged between the motor and the coupling device, and an output shaft of the motor drives the coupling device to rotate through the transmission device; and the controller is arranged on the substrate and is connected with and controls the motor.
According to the utility model discloses outer hanging drive arrangement of first aspect embodiment has following beneficial effect at least: the externally-hung driving device of the embodiment has the advantages of simple structure, small volume and easy installation, adopts an externally-hung structure, and is suitable for transforming a switch cabinet adopting a mechanical chassis; compared with a built-in electric chassis vehicle, the externally-hung driving device of the embodiment is more convenient to transform an electric cabinet without an electric cabinet, does not need a clutch, is simple in machinery, has fewer faults, and can realize more accurate load detection and control.
According to the utility model discloses an external hanging drive arrangement of first aspect, the shaft coupling device includes: the bearing seat is fixedly arranged on the substrate; the shaft sleeve is rotatably arranged on the bearing seat, and a transmission structure used for connecting the transmission device is arranged outside the shaft sleeve; the inner shaft head is arranged on the shaft sleeve and driven by the shaft sleeve to rotate, and a connecting hole used for connecting a screw rod joint of the mechanical chassis is formed in the inward end of the inner shaft head. The transmission structure on the shaft sleeve can be a belt pulley, a gear and other transmission structures. The attachment holes of the inner head are preferably square holes that match most screw joints.
According to the utility model discloses an external hanging drive arrangement, interior spindle nose with be provided with the spring between the axle sleeve. The inner shaft head can move back and forth and is provided with a spring to apply thrust, so that the connection between the inner shaft head and the screw rod joint is more stable and reliable.
According to the utility model discloses an external hanging drive arrangement, transmission includes: the first belt pulley is arranged on an output shaft of the motor; the second belt pulley is arranged on the shaft sleeve; and the transmission belt is connected with the first belt pulley and the second belt pulley. The transmission device adopts a belt transmission structure, has a simple structure, reduces the cost and can reduce faults.
According to the utility model discloses an outer hanging drive arrangement of first aspect, the base plate facial make-up is equipped with the housing. The cover covers each structural component mounted on the protective substrate.
According to the utility model discloses the first aspect outer hanging drive arrangement, the last outer spindle nose that stretches out outwards that is provided with of shaft coupling device, outer spindle nose with axle sleeve fixed connection. The setting of outer spindle nose provides the function that lets the operator utilize the crank manual operation. Furthermore, the shape and the size of the outer shaft head are consistent with those of the screw joint.
According to the externally-hung driving device of the first aspect of the present invention, the housing is provided with a blocking piece and a detection switch, the blocking piece is movably arranged on the housing, and the detection switch monitors the state of the blocking piece and controls the power-on state of the controller in a feedback manner; when the blocking piece is in a blocking state, the blocking piece is arranged in front of the outer shaft head, and a feedback signal of the detection switch is connected with a power supply of the controller; when the blocking piece is in an open state, the blocking piece is moved away from the front of the outer shaft head, and the detection switch feeds back a signal to disconnect the power supply of the controller. The switching between electric control and manual control is realized through the baffle plate and the detection switch, when the baffle plate is in a shielding state, the power supply of the controller is switched on for electric control, and at the moment, the baffle plate prevents the rocking handle from being connected with the outer shaft head; when the separation blade is in the open mode, the rocking handle can be connected with the outer shaft head, and is manually controlled, and at the moment, the power supply of the controller is disconnected, so that the safety of manual operation is guaranteed.
According to the utility model discloses first aspect hanging drive arrangement outward, be provided with the horizontal stand on the base plate, the motor is portable to be installed on the horizontal stand, motor one side is provided with and is used for adjusting motor horizontal position's adjusting bolt. The adjusting bolt is screwed to adjust the horizontal position of the motor, thereby adjusting the tensioning degree of the transmission belt.
According to the utility model discloses an outer hanging drive arrangement of first aspect, the motor is the servo motor who has feedback element, the controller is integrated inside the motor. Furthermore, the controller comprises a motor driving component, an encoder signal interface component, a motor motion control component, a logic control interface component, a communication bus component and a human-computer interface interaction component. The servo motor with a feedback element is matched with the controller, so that the speed, position and torque control capability is improved, smooth operation and accurate position are ensured, and the settable torque detection and protection capability is realized at each position section.
According to the utility model discloses a chassis car of second aspect embodiment uses in the cubical switchboard, include: the screw rod is rotatably arranged in the switch cabinet, and one end of the screw rod penetrates through a cabinet door of the switch cabinet to extend out to form a screw rod joint; the frame is movably arranged in the switch cabinet, a nut structure is fixedly arranged on the frame, the nut structure is sleeved on the screw rod, and the frame is driven to move back and forth through the nut structure when the screw rod rotates; the utility model discloses outer hanging drive arrangement of first aspect embodiment installs in the cabinet door outside of cubical switchboard, outer hanging drive arrangement's shaft coupling device connects the screw rod connects.
According to the utility model discloses chassis car of second aspect embodiment has following beneficial effect at least: compared with a built-in electric chassis vehicle, the chassis vehicle of the embodiment has the following advantages:
the driving device is externally hung, so that the number of accessories installed in the switch cabinet is reduced, and the installation is more convenient;
no clutch is required, and the failure is less;
the speed reducing mechanism is simple and high in efficiency;
the load detection precision is high, and accurate speed, position and moment control can be realized.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of an externally-mounted driving device provided by the present invention;
fig. 2 is a top view of the chassis truck provided by the present invention;
fig. 3 is a schematic structural view of the coupling device.
The reference numbers illustrate:
the base plate 100, the bolt 110, the horizontal bracket 120, the adjusting bolt 130, the coupling device 200, the bearing seat 210, the shaft sleeve 220, the second belt pulley 221, the inner spindle 230, the connecting hole 231, the outer spindle 240, the spring 250, the motor 300, the first belt pulley 310, the transmission belt 400, the casing 500, the bolt 510, the baffle 520, the detection switch 530, the cabinet door 600, the frame 700, the nut structure 710, the screw 800 and the screw joint 810.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, and a plurality of means are two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
The externally-hung drive device and the chassis according to the embodiment of the present invention will be described in detail in a specific embodiment with reference to fig. 1 to 3. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.
Referring to fig. 1, the present invention provides an external hanging type driving device, which is mainly installed on a switch cabinet provided with a mechanical chassis. The external hanging type driving device comprises a substrate 100, the substrate 100 is fixed on a cabinet door 600, and preferably, in the embodiment, the substrate 100 is installed on the cabinet door 600 of the switch cabinet through a bolt 110. The base plate 100 is provided with a coupling 200, a motor 300, a transmission, and a controller. The substrate 100 is further provided with a cover 500, the cover 500 is mounted on the substrate 100 by bolts 510, and the cover 500 covers various structural components mounted on the protective substrate 100.
Specifically, referring to fig. 3, the coupling device 200 includes a bearing housing 210, a bushing 220, an inner spindle head 230, and an outer spindle head 240. The bearing housing 210 is fixedly disposed on the substrate 100. The shaft sleeve 220 is rotatably disposed on the bearing seat 210, and a transmission structure for connecting a transmission device is disposed outside the shaft sleeve 220, and the transmission structure may be a pulley, a gear, or other transmission structure, such as a second pulley 221 shown in this embodiment. The inner spindle head 230 is arranged in the shaft sleeve 220 and driven by the shaft sleeve 220 to rotate, one inward end of the inner spindle head 230 is provided with a connecting hole 231, and the connecting hole 231 is preferably a square hole and can be matched with most of the screw joints 810. The coupling device 200 is connected to the screw joint 810 of the mechanical chassis through the connection hole 231. A spring 250 is arranged between the inner spindle head 230 and the shaft sleeve 220, the inner spindle head 230 can move forwards and backwards, and the spring 250 applies pushing force, so that the connection between the inner spindle head 230 and the screw joint 810 is more stable and reliable. The outer spindle head 240 is fixedly connected with the shaft sleeve 220, the outer spindle head 240 extends outwards from the casing 500, the shape and the size of the outer spindle head 240 preferably keep the same with those of the screw joint 810, and the arrangement of the outer spindle head 240 provides the function of allowing an operator to manually operate by using a crank.
The motor 300 adopted in the embodiment is a servo motor 300 with a feedback element, a controller is integrated in the motor 300, and the controller controls the motor 300 to work. Furthermore, the controller comprises a motor driving component, an encoder signal interface component, a motor motion control component, a logic control interface component, a communication bus component and a human-computer interface interaction component. The servo motor 300 with a feedback element is matched with a controller, so that the speed, position and torque control capability is improved, smooth operation and accurate position are ensured, and the settable torque detection and protection capability is realized at each position section.
The output shaft of the motor 300 is provided with a first belt pulley 310, and the first belt pulley 310 is connected with a second belt pulley 221 through a transmission belt 400. The first pulley 310, the second pulley 221 and the driving belt 400 constitute a transmission device. When the motor 300 rotates, the coupling device 200 is driven to rotate by the first belt pulley 310, the transmission belt 400 and the second belt pulley 221 in sequence, so that electric driving is realized. The diameter of the first pulley 310 is smaller than that of the second pulley 221, so that the speed reduction effect is achieved, and the speed between the two is convenient to calculate and control.
Furthermore, on the basis of safety regulations, manual operation of inserting a rocking handle is not allowed when the chassis vehicle is electrically operated; similarly, the motor is not allowed to be electrified to run when the rocking handle is inserted for manual operation. Therefore, the external hanging type driving device of the embodiment is also provided with a safety interlocking device. Specifically, a blocking piece 520 and a detection switch 530 are arranged on the housing 500, the blocking piece 520 is movably arranged on the housing 500, and the detection switch 530 monitors the state of the blocking piece 520 and feeds back the power-on state of the controller. When the blocking piece 520 is in a blocking state, the blocking piece 520 is arranged in front of the outer shaft head 240, and a feedback signal of the detection switch 530 is connected with a power supply of the controller; when the flap 520 is in the open state, the flap 520 is removed from the front of the outer spindle head 240, and the detection switch 530 feeds back a signal to turn off the power supply of the controller. The electric control and the manual control are switched by the baffle 520 and the detection switch 530, when the baffle 520 is in a shielding state, the power supply of the controller is switched on for electric control, and at this time, the baffle 520 prevents the rocking handle from being connected with the outer shaft head 240; when the baffle 520 is in an open state, the rocking handle can be connected with the outer shaft head 240 for manual control, at the moment, the power supply of the controller is disconnected, the motor 300 does not operate, and the safety of manual operation is ensured. The blocking piece 520 and the cover 500 can be provided with locking structures which are matched with each other, when the blocking piece 520 is in a shielding state, the blocking piece 520 can be locked, and the state change of the blocking piece 520 can be prevented from being operated by irrelevant personnel at will.
Further, a horizontal bracket 120 is disposed on the substrate 100, the motor 300 is movably mounted on the horizontal bracket 120, and an adjusting bolt 130 for adjusting the horizontal position of the motor 300 is disposed at one side of the motor 300. By turning the adjusting bolt 130, the horizontal position of the motor 300 can be adjusted, thereby adjusting the tension of the driving belt 400.
The externally-hung driving device of the embodiment has the advantages of simple structure, small volume and easy installation, adopts an externally-hung structure, and is suitable for transforming a switch cabinet adopting a mechanical chassis; compared with a built-in electric chassis vehicle, the externally-hung driving device of the embodiment is more convenient to transform an electric cabinet without an electric cabinet, does not need a clutch, is simple in machinery, has fewer faults, and can realize more accurate load detection and control.
Referring to fig. 2, the present invention further provides an embodiment of a chassis vehicle using the above externally-hanging driving device, the chassis vehicle is used in a switch cabinet, and the chassis vehicle comprises a frame 700, a screw 800 and the first embodiment of the externally-hanging driving device. The screw 800 is rotatably disposed in the switch cabinet, and one end of the screw 800 passes through the cabinet door 600 of the switch cabinet and extends out to form a screw joint 810. The frame 700 is movably arranged in the switch cabinet, the nut structure 710 is fixedly arranged on the frame 700, the nut structure 710 is sleeved on the screw 800, the frame 700 is driven to move back and forth through the nut structure 710 when the screw 800 rotates, the externally-hung driving device is arranged on the outer side of the cabinet door 600 of the switch cabinet, and the coupling device 200 of the externally-hung driving device is connected with the screw joint 810. The operation process of the chassis truck of the embodiment is as follows:
firstly, electric operation is carried out, the blocking pieces 520 are in a blocking state at ordinary times, the controller and the motor 300 are in a power-on state, an operator inputs a control instruction through an external input device connected with the controller, the controller drives the motor 300 to operate after receiving the control instruction, the coupling device 200 is driven to rotate through a transmission device, and the coupling device 200 is connected with the screw rod joint 810, so that the coupling device 200 rotates to drive the screw rod 800 to rotate, and the frame 700 is driven to move in or out;
manually operating, when the blocking piece 520 is in an open state, the detection switch 530 feeds back a signal to disconnect the power supply of the controller, the motor 300 does not operate, an operator sleeves the rocking handle on the outer shaft head 240, and then can rock the rocking handle by hand and drive the screw 800 to rotate through the coupling device 200, so that the frame 700 is driven to move in or out; at this time, since the belt speed reducing mechanism employed in the present embodiment is extremely high in reverse efficiency, no additional resistance is added.
When the chassis vehicle of the embodiment is electrically operated, the controller drives the servo motor to have perfect speed, position and torque control capacity, so that smooth operation and accurate position are guaranteed, and the chassis vehicle has settable torque detection and protection capacity at each position section.
Compared with a built-in electric chassis vehicle, the chassis vehicle of the embodiment has the following advantages:
the driving device is externally hung, so that the number of accessories installed in the switch cabinet is reduced, and the installation is more convenient;
no clutch is required, and the failure is less;
the speed reducing mechanism is simple and high in efficiency;
the load detection precision is high, and the accurate speed, position and moment control can be realized;
a servo motor adopting closed-loop control can realize accurate speed, position and moment control;
the system can provide accurate mechanical resistance detection, realize accurate and intelligent equipment operation condition analysis function, protect equipment more reliably and effectively, and provide warning data of equipment abnormity for maintenance personnel.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides an outer hanging drive arrangement, uses on being provided with the cubical switchboard of mechanical type chassis car, its characterized in that includes:
the base plate is arranged on a cabinet door of the switch cabinet;
the coupling device is arranged on the base plate, one inward end of the coupling device penetrates through the base plate, and the inward end of the coupling device is connected with a screw joint of the mechanical chassis truck;
a motor disposed on the substrate;
the transmission device is arranged between the motor and the coupling device, and an output shaft of the motor drives the coupling device to rotate through the transmission device;
and the controller is arranged on the substrate and is connected with and controls the motor.
2. An externally hung drive as claimed in claim 1 wherein the coupling means comprises:
the bearing seat is fixedly arranged on the substrate;
the shaft sleeve is rotatably arranged on the bearing seat, and a transmission structure used for connecting the transmission device is arranged outside the shaft sleeve;
the inner shaft head is arranged on the shaft sleeve and driven by the shaft sleeve to rotate, and a connecting hole used for connecting a screw rod joint of the mechanical chassis is formed in the inward end of the inner shaft head.
3. An externally hung drive as claimed in claim 2, wherein a spring is provided between the inner stub shaft and the bushing.
4. An externally hung drive as claimed in claim 2, wherein the transmission comprises:
the first belt pulley is arranged on an output shaft of the motor;
the second belt pulley is arranged on the shaft sleeve;
and the transmission belt is connected with the first belt pulley and the second belt pulley.
5. An externally-hung drive device as claimed in any one of claims 2 to 4, wherein a housing is mounted on the base plate.
6. An externally-hung driving device as claimed in claim 5, wherein the coupling device is provided with an externally-extending external stub shaft, and the external stub shaft is fixedly connected with the shaft sleeve.
7. The externally-hung driving device as defined in claim 6, wherein the casing is provided with a blocking piece and a detection switch, the blocking piece is movably arranged on the casing, and the detection switch monitors the state of the blocking piece and controls the power-on state of the controller in a feedback manner;
when the blocking piece is in a blocking state, the blocking piece is arranged in front of the outer shaft head, and a feedback signal of the detection switch is connected with a power supply of the controller; when the blocking piece is in an open state, the blocking piece is moved away from the front of the outer shaft head, and the detection switch feeds back a signal to disconnect the power supply of the controller.
8. An externally-hung driving device as claimed in claim 4, wherein a horizontal bracket is arranged on the base plate, the motor is movably arranged on the horizontal bracket, and an adjusting bolt for adjusting the horizontal position of the motor is arranged on one side of the motor.
9. An on-hook drive as claimed in claim 1, wherein said motor is a servo motor with a feedback element, and said controller is integrated within said motor.
10. The utility model provides a chassis car, uses in the cubical switchboard which characterized in that includes:
the screw rod is rotatably arranged in the switch cabinet, and one end of the screw rod penetrates through a cabinet door of the switch cabinet to extend out to form a screw rod joint;
the frame is movably arranged in the switch cabinet, a nut structure is fixedly arranged on the frame, the nut structure is sleeved on the screw rod, and the frame is driven to move back and forth through the nut structure when the screw rod rotates;
the hanging driving device as claimed in any one of claims 1 to 9, which is installed outside the door of the switch cabinet, and the coupling device of the hanging driving device is connected to the screw joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120275650.2U CN214590171U (en) | 2021-01-29 | 2021-01-29 | External hanging type driving device and chassis vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120275650.2U CN214590171U (en) | 2021-01-29 | 2021-01-29 | External hanging type driving device and chassis vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214590171U true CN214590171U (en) | 2021-11-02 |
Family
ID=78315037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120275650.2U Active CN214590171U (en) | 2021-01-29 | 2021-01-29 | External hanging type driving device and chassis vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214590171U (en) |
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2021
- 2021-01-29 CN CN202120275650.2U patent/CN214590171U/en active Active
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