CN209766768U - Grounding pile head with online anti-misoperation function - Google Patents
Grounding pile head with online anti-misoperation function Download PDFInfo
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- CN209766768U CN209766768U CN201920704856.5U CN201920704856U CN209766768U CN 209766768 U CN209766768 U CN 209766768U CN 201920704856 U CN201920704856 U CN 201920704856U CN 209766768 U CN209766768 U CN 209766768U
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- 230000005611 electricity Effects 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 description 10
- 230000002265 prevention Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
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Abstract
The utility model provides a ground connection pile head with prevent mistake function on line, including ground connection pile head, be equipped with the earth connection in the ground connection pile head and install the hole, the earth connection is equipped with first stroke contact on installing the inner wall in hole, the periphery of ground connection pile head has cup jointed prevents mistake cover, the one side of preventing mistake cover is equipped with the terminal row of being connected with first stroke contact electricity, prevent mistake cover and be equipped with measuring and control device outward, the terminal row is connected with measuring and control device electricity, prevent mistake cover including preventing mistake cover body, the side cover door, go up cover door and first hinge, side cover door and last cover door all are installed on preventing mistake cover body through first hinge, all be equipped with the spring bolt on side cover door and the last cover door, prevent being equipped with on the mistake cover body with spring bolt complex electromagnetic lock, electromagnetic lock is connected with. The utility model provides high ground connection pile head prevents mistake reliability of device optimizes switching operation flow.
Description
Technical Field
The utility model relates to a transformer substation's electrical equipment's technical field especially relates to a ground connection pile head with prevent mistake function on line.
Background
At present, a mode of hanging a ground wire is mainly adopted for grounding at the 10kV side of a main transformer of a 110kV inner bridging transformer substation, an off-line microcomputer anti-error system or a mechanical lock is mainly adopted for a grounding pile head to realize the functions of preventing the 110kV main transformer from being switched on with the ground wire and preventing the 10kV main transformer from being electrically hung with the ground wire, namely, a locking point is arranged at the 10kV main transformer grounding pile head, a microcomputer anti-error lock or a mechanical lock is additionally hung, and an anti-error cover with an anti-error function is additionally arranged on a manual or electric operating handle of a switch knife of the 110kV main transformer.
The error prevention method has the following problems:
1) The off-line microcomputer anti-misoperation locking system does not directly acquire the actual state of the field device, but indirectly transmits the state of the device back to the anti-misoperation host by using the microcomputer key, and if the actual state changes again after the device state is transmitted back, the device state of the anti-misoperation host is not the actual state. In addition, if the operator only unlocks the lock without performing actual operation in the operation process, wrong state information is also returned. The above situation will lead to unreliable anti-error function.
2) The anti-misoperation mode requires that the switch blade of the main transformer 110kV transformer can only be operated on site to realize the anti-misoperation function. At present, 110kV main equipment mainly carries out remote control operation or sequential control operation. Such an in-situ operation causes inconvenience to management and operating personnel.
Disclosure of Invention
An object of the utility model is to provide a ground connection pile head with prevent mistake function on line has improved the reliability that the mistake device was prevented to ground connection pile head, optimizes switching operation flow.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a ground connection pile head with prevent mistake function on line, includes ground connection pile head, be equipped with the earth connection in the ground connection pile head and install the hole, the earth connection is equipped with first stroke contact on installing the inner wall in hole, the periphery of ground connection pile head has cup jointed prevents the mistake cover, the one side of preventing the mistake cover is equipped with the terminal row of being connected with first stroke contact electricity, prevent that the mistake cover is equipped with measuring and control device outward, the terminal row is connected with measuring and control device electricity, prevent the mistake cover including preventing mistake cover body, side cover door, upper shield door and first hinge, side cover door and upper shield door all are installed on preventing the mistake cover body through first hinge, all be equipped with the spring bolt on side cover door and the upper shield door, prevent being equipped with on the mistake cover body with spring bolt complex electromagnetic lock, the electromagnetic lock is connected with the terminal row.
furthermore, the first stroke contact is arranged to protrude out of the inner wall of the ground wire mounting hole, and the thickness of the protruding part of the first stroke contact is L1, wherein L1 is more than 0 and less than or equal to 2 cm.
Further, linear guide rails are symmetrically arranged at the lower end of the grounding pile head and relative to the central line of the grounding wire installing hole, guide rail sliders are arranged on the linear guide rails, storage batteries electrically connected with the guide rail sliders are arranged on one sides of the grounding pile head, switches for controlling the guide rail sliders to be powered on and off are arranged on the storage batteries, the switches are electrically connected with the terminal strips, an insulating seat is installed at one end, away from the linear guide rails, of each guide rail slider, a conducting rod is installed at one end, away from the guide rail sliders, of each insulating seat, a first piston is installed at one side, opposite to the conducting rod, of each first piston, a first piston shaft is installed at one end, away from the conducting rod, of each first piston shaft is installed at one end, away from the first piston, of each first piston shaft is installed with a conducting limiting plate, a grounding wire is installed on each conducting limiting plate, a second stroke contact installing seat is installed at, and a second stroke contact is arranged at the bottom in the limiting groove and is electrically connected with the terminal strip.
Further, be equipped with first spring between first piston and the electrically conductive limiting plate, first spring cup joints the periphery at first piston shaft.
Further, the upper end of the grounding pile head is located at the position of the grounding wire mounting hole and is provided with a first mounting plate, the first mounting plate is provided with a second hinge and a third hinge, the second hinge is provided with a third piston, one end of the third piston far away from the second hinge is provided with a third piston shaft, one end of the third piston shaft far away from the third piston is provided with a third mounting plate, the third hinge is provided with a second piston, one end of the second piston far away from the third hinge is provided with a second piston shaft, one end of the second piston shaft far away from the second piston is provided with a second mounting plate, a rotating shaft is connected between the second mounting plate and the third mounting plate, the periphery of the rotating shaft is provided with a guide wheel, one side of the second mounting plate opposite to the third mounting plate is provided with a fourth piston and a fifth piston respectively, and a fourth piston shaft is connected between the fourth piston and the fifth piston, and a fourth spring is arranged between the fourth piston and the fifth piston and sleeved on the periphery of the fourth piston shaft.
Furthermore, a second spring is arranged between the second piston and the second mounting plate and sleeved on the periphery of the second piston shaft.
Furthermore, a third spring is arranged between the third piston and the third mounting plate and sleeved on the periphery of the fourth piston shaft.
After the technical scheme is adopted, the utility model has the advantages of as follows:
1. When the device is put into use, one end of the error prevention cover is fixed on the side of the grounding pile head, the side cover door and the upper cover door of the error prevention cover at the other end are controlled by the electromagnetic lock to open or close the side cover door and the upper cover door by controlling the opening and closing of the lock tongue, the electromagnetic lock can be controlled by the measurement and control device, the measurement and control device and the terminal strip are connected in series with the normally closed auxiliary contact of the external main transformer 110kv transformer knife switch, so that when the main transformer 110kv transformer knife switch is in the closed position, the electromagnetic lock does not excite the lock, the error prevention cover cannot be opened, the 'live ground wire hanging' is prevented, when the main transformer 110kv transformer knife switch is in the open position, the electromagnetic lock excites the lock, the grounding pile head, the grounding wire can be installed, when the grounding wire is inserted into the grounding wire installing hole, the stroke contact can abut against the grounding wire, the normally closed contact of the first stroke contact is disconnected at the moment, and when the grounding wire is detached, the normally closed contact of the first stroke contact is closed. The device has improved the reliability of ground connection pile head mistake prevention device, optimizes switching operation flow.
2. By controlling the thickness of the protruding part of the first stroke contact to be 0-2cm, the grounding wire is guaranteed to smoothly enter the grounding wire mounting hole to realize grounding, and then the thickness of the protruding part also guarantees that the first stroke contact can stably work, so that the working efficiency of the first stroke contact is improved.
3. The lower end of the grounding pile head is symmetrically provided with linear guide rails relative to the central line of the grounding wire installation hole, the guide rail sliding blocks are driven by the storage battery to slide on the linear guide rails, the movement of the guide rail sliding blocks drives the conductive limiting plates to be close to each other, the conductive limiting plates close to each other realize the fixation to the grounding wire, the stable grounding of the grounding wire is realized, the reliability of the grounding is improved, in addition, as the second stroke contact point is arranged, after the grounding wire is contacted with the second stroke contact point, the second stroke contact point is electrically connected with the end row, as the measurement and control device is electrically connected with the end row, the action of the second stroke contact point is transmitted to the background by the measurement and control device, the background monitors that the grounding wire is hung, at the moment, the measurement and control device controls the switch to be opened, the power supply of the storage battery to the guide rail sliding blocks is, the conducting rod is connected with the ground wire, so that the ground wire is grounded.
4. Through establishing first spring between first piston and electrically conductive limiting plate, the elasticity of first spring can provide a reverse acting force for electrically conductive limiting plate, provides the extrusion acting force to the earth connection to effectively improve the ground connection stability of earth connection.
5. Through the upper end at ground connection pile head and be located earth connection mounting hole department installation first mounting panel, the guide wheel through on the first mounting panel realizes the guide effect to the earth connection, and at the in-process of direction, the leading wheel is rotatory in the pivot, and utilize the second piston axle to stretch out and draw back in the second piston, the third piston axle is flexible in the third piston, the fourth piston axle is flexible in fifth piston and fourth piston, it can have certain buffer function to have realized that the leading wheel contacts behind the earth connection, it is downthehole to be convenient for the earth connection to enter into the earth connection mounting hole smoothly, the efficiency and the accuracy that the earth connection inserted in the earth connection mounting hole have been improved.
6. The second spring is arranged between the second piston and the second mounting plate, and the elastic force of the second spring is utilized, so that the guide wheel can generate a reverse extrusion force on the ground wire, and the efficiency of the ground wire entering the ground wire mounting hole is improved.
7. The third spring is arranged between the third piston and the third mounting plate, and the elastic force of the third spring is utilized, so that the guide wheel can generate a reverse extrusion force on the ground wire, and the efficiency of the ground wire entering the ground wire mounting hole is improved.
drawings
The present invention will be further explained with reference to the accompanying drawings:
Fig. 1 is a schematic top view of a ground pile head with an online error prevention function according to embodiment 1 of the present invention;
fig. 2 is a schematic front view of a grounding pile head with an online error prevention function according to embodiment 1 of the present invention;
Fig. 3 is a schematic side view of a grounding pile head with an online error prevention function according to embodiment 1 of the present invention;
Fig. 4 is a schematic front view of a grounding pile head with an online error prevention function according to embodiment 2 of the present invention;
Fig. 5 is a schematic front view of a grounding pile head with an online error prevention function according to embodiment 3 of the present invention;
Fig. 6 is a partially enlarged schematic view of a portion a of fig. 5.
Detailed Description
the invention will be further explained with reference to the drawings and the specific embodiments. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used in an orientation or positional relationship relative to one another only as illustrated in the accompanying drawings and are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be considered as limiting the invention.
Example 1
As shown in fig. 1-3, the utility model provides a ground connection pile head with prevent mistake function on line, including ground connection pile head 1, be equipped with the earth connection in the ground connection pile head 1 and install hole 3, the earth connection is equipped with first stroke contact 4 on installing the inner wall of hole 3, ground connection pile head 1's periphery has cup jointed and has prevented mistake cover 2, prevent that one side of mistake cover 2 is equipped with terminal row 7 of being connected with first stroke contact 4 electricity, prevent mistake cover 2 and be equipped with measuring and control device 8 outward, terminal row 7 is connected with measuring and control device 8 electricity, prevent mistake cover 2 including preventing mistake cover body 203, side cover door 201, upper shield door 202 and first hinge 204, side cover door 201 and upper shield door 202 are all installed on preventing mistake cover body 203 through first hinge 204, all be equipped with spring bolt 6 on side cover door 201 and the upper shield door 202, prevent being equipped with on mistake cover body 203 and preventing spring bolt 6 complex electromagnetic lock 5, electromagnetic lock 5 is connected with terminal row 7. When the device is put into use, one end of the anti-misoperation cover 2 is fixed on the head side of the grounding pile head 1, the side cover door 201 and the upper cover door 202 of the anti-misoperation cover at the other end are controlled by the electromagnetic lock 5 to open and close the bolt 6, so that the opening and closing of the side cover door 201 and the upper cover door 202 are controlled, the electromagnetic lock 5 can be controlled by the measurement and control device 8, the measurement and control device and the terminal strip 7 are connected in series with the normally closed auxiliary contact of the switch blade of the external main transformer 110kv, so that when the switch blade of the main transformer 110kv is in the closed position, the electromagnetic lock 5 does not excite the lock, the anti-misoperation cover 2 cannot be opened, so that the electrified ground wire is prevented from being hung, when the switch blade of the main transformer 110kv is in the open position, the electromagnetic lock excites the grounding pile head anti-misoperation cover to open, the ground wire can be installed, when the ground wire is inserted into the ground wire installing hole 3, the stroke contact, the normally closed contact of the first travel contact 4 is closed. The device has improved the reliability that the device was prevented to the earthing pile head mistake device, optimizes the switching operation flow, has improved the device's reliability, has realized preventing the function of "hanging the ground wire" with electricity through technical measure, and it is reliable to prevent mistake system than traditional off-line computer, has prevented to walk behaviors such as "idle running" or random disconnect ground wire, and it can be understood that, the utility model discloses optimized the operation flow of dismouting ground wire and operation transformer plug, saved the computer and prevented mistake system billing and unblank and confirm the flow, improved the efficiency of management level and switching operation.
It will be appreciated that, when applied, there are decommissioning operations and decommissioning operations. When the outage operation relates to a main transformer 10kV side grounding wire, firstly, the fact that a main transformer 110kV side transformer knife switch is in a separated position is determined, at the moment, an anti-misoperation cover electromagnetic lock is excited, an unlocking electromagnetic lock opens the anti-misoperation cover 2, a grounding wire grounding end is inserted into a grounding wire mounting hole 3, under the compression of the grounding wire, a second stroke contact 18 acts, the grounding wire is monitored to be hung on a background, the grounding wire is fastened at the lower end of the grounding wire mounting hole 3, the grounding wire is guaranteed to be reliably grounded, and then a grounding wire conductor end is hung to the main transformer 10. During the operation of re-commissioning, firstly, a grounding wire of a main transformer 10kV side is detached, the first stroke contact 4 is reset after losing the stress, the background monitors that the grounding wire is taken down, the anti-misoperation cover is closed, and at the moment, the switch blade of the main transformer 110kV side transformer meets the anti-misoperation logic and can normally operate. The utility model discloses take the online ground connection pile head of preventing the mistake function to have promoted the security and the reliability of preventing the mistake system greatly, also improved the efficiency of switching operation simultaneously.
in this embodiment 1, the first stroke contact 4 protrudes from the inner wall of the ground wire mounting hole 3, and the thickness of the protruding portion of the first stroke contact 4 is L1, where L1 is greater than 0 and less than or equal to 2 cm. By controlling the thickness of the protruding part of the first stroke contact 4 to be 0-2cm, the grounding wire is ensured to smoothly enter the grounding wire mounting hole 3 to realize grounding, and then the thickness of the protruding part also ensures that the first stroke contact 4 can stably work, so that the working efficiency of the first stroke contact 4 is improved.
Example 2
As shown in fig. 4, the difference between the embodiment 2 and the embodiment 1 is that the lower end of the ground pile head 1 is symmetrically provided with linear guide rails 11 relative to the center line of the ground wire installation hole 3, the linear guide rails 11 are provided with guide rail sliders 12, one side of the ground pile head 1 is provided with a storage battery 36 electrically connected with the guide rail sliders 12, the storage battery 36 is provided with a switch 9 for controlling the on and off of the guide rail sliders 12, the switch 9 is electrically connected with the terminal strip 7, one end of the guide rail sliders 12 far away from the linear guide rails 11 is provided with an insulating base 13, one end of the insulating base 13 far away from the guide rail sliders 12 is provided with a conductive rod 14, one side of the conductive rod 14 opposite to the conductive rod 14 is provided with a first piston 15, one end of the first piston 15 far away from the conductive rod 14 is provided with a first piston shaft 38, one end of the first piston shaft 38 far, the lower end of the grounding pile head 1 is provided with a second stroke contact mounting seat 10, a limiting groove 17 is arranged below the grounding wire mounting hole 3 on the second stroke contact mounting seat 10, a second stroke contact 18 is arranged at the bottom in the limiting groove 17, and the second stroke contact 18 is electrically connected with the terminal strip 7. The linear guide rails 11 are symmetrically arranged at the lower end of the grounding pile head 1 relative to the central line of the grounding wire installation hole 3, the storage battery 36 drives the guide rail sliding blocks 12 to slide on the linear guide rails 11, the movement of the guide rail sliding blocks 12 drives the conductive limiting plates 16 to be close to each other, the conductive limiting plates 16 close to each other realize the fixation to the grounding wire, the stable grounding of the grounding wire is realized, the reliability of the grounding is improved, in addition, due to the arrangement of the second stroke contact 18, after the grounding wire is contacted with the second stroke contact 18, the second stroke contact 18 is electrically connected with the end row 7, due to the electrical connection of the measurement and control device 8 and the end row 7, the action of the second stroke contact 18 is transmitted to the background by the measurement and control device 8, the grounding wire is monitored to hang, at the moment, the control switch 9 is opened by the measurement and control device 8, the power supply of the storage, therefore, the conductive limiting plates 16 are close to each other to realize extrusion limiting on the ground wire, and the conductive rods 14 are connected with the ground wire 39, so that the ground wire is grounded.
In embodiment 2, a first spring 37 is provided between the first piston 15 and the electrically conductive stopper plate 16, and the first spring 37 is fitted around the outer periphery of the first piston shaft 38. Through establishing first spring 37 between first piston 15 and electrically conductive limiting plate 16, the elasticity of first spring 37 can provide a counter action force for electrically conductive limiting plate 16, provides the extrusion effort to the earth connection to effectively improve the ground connection stability of earth connection.
Example 3
Referring to fig. 5-6, a first mounting plate 19 is mounted at the upper end of the ground pile head 1 and located at the ground wire mounting hole 3, a second hinge 34 and a third hinge 22 are mounted on the first mounting plate 19, a third piston 35 is mounted on the second hinge 34, a third piston shaft 20 is mounted at one end of the third piston 35 far from the second hinge 34, a third mounting plate 30 is mounted at one end of the third piston shaft 20 far from the third piston 35, a second piston 23 is mounted on the third hinge 22, a second piston shaft 24 is mounted at one end of the second piston 23 far from the third hinge 22, a second mounting plate 26 is mounted at one end of the second piston shaft 24 far from the second piston 23, a rotating shaft 20 is connected between the second mounting plate 26 and the third mounting plate 30, a guide wheel 29 is mounted on the periphery of the rotating shaft 20, a fourth piston 21 and a fifth piston 27 are mounted on opposite sides of the second mounting plate 26 and the third mounting plate 30, a fourth piston shaft 32 is connected between the fourth piston 21 and the fifth piston 27, a fourth spring 31 is provided between the fourth piston 21 and the fifth piston 27, and the fourth spring 31 is fitted around the outer periphery of the fourth piston shaft 32. Through the upper end at ground connection pile head 1 and be located ground connection and install first mounting panel 19 in hole 3 department, the guide wheel 29 through on the first mounting panel 19 realizes the guide effect to the ground connection, and at the in-process of direction, leading wheel 29 is rotatory in pivot 28, and utilize second piston shaft 24 to stretch out and draw back in second piston 23, third piston shaft 20 is flexible in third piston 35, fourth piston shaft 32 is flexible in fifth piston 27 and fourth piston 21, realized that leading wheel 29 can have certain buffer function after contacting the ground connection, be convenient for the ground connection smoothly enter into ground connection and install in hole 3, improved efficiency and accuracy that the ground connection inserted in ground connection installs hole 3.
in embodiment 3, a second spring 25 is provided between the second piston 23 and the second mounting plate 26, and the second spring 25 is fitted around the outer periphery of the second piston shaft 24. The second spring 25 is arranged between the second piston 23 and the second mounting plate 26, the guide wheel 29 can generate a reverse extrusion force on the ground wire by utilizing the elasticity of the second spring 25, the efficiency of the ground wire entering the ground wire mounting hole 3 is improved, the third spring 33 is arranged between the third piston 35 and the third mounting plate 30, and the third spring 33 is sleeved on the periphery of the fourth piston shaft 32. The third spring 33 is arranged between the third piston 35 and the third mounting plate 30, and the elastic force of the third spring 33 is utilized to realize that the guide wheel 29 can generate a reverse extrusion force on the ground wire, thereby improving the efficiency of the ground wire entering the ground wire mounting hole 3.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and the terms "comprise", "include", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the spirit and scope of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a ground connection pile head with prevent mistake function on line, includes ground connection pile head, its characterized in that, be equipped with the earth connection in the ground connection pile head and install the hole, the earth connection is equipped with first stroke contact on installing the inner wall in hole, the periphery of ground connection pile head has cup jointed prevents the mistake cover, the one side of preventing the mistake cover is equipped with the terminal row of being connected with first stroke contact electricity, prevent that the mistake cover is equipped with measuring and control device outward, the terminal row is connected with the measuring and control device electricity, prevent the mistake cover including preventing mistake cover body, side cover door, upper shield door and first hinge, side cover door and upper shield door all install on preventing the mistake cover body through first hinge, all be equipped with the spring bolt on side cover door and the upper shield door, prevent being equipped with on the mistake cover body and being connected with spring bolt complex electromagnetic lock, electromagnetic lock is connected with.
2. The ground pile head with the on-line anti-misoperation function according to claim 1, wherein the first stroke contact is arranged to protrude from the inner wall of the ground wire mounting hole, and the thickness of the protruding part of the first stroke contact is L1, where L1 is greater than 0 and less than or equal to 2 cm.
3. The ground pile head with the on-line error-preventing function according to claim 1, wherein the lower end of the ground pile head is symmetrically provided with linear guide rails with respect to a center line of the ground wire installation hole, the linear guide rails are provided with guide rail sliders, one side of the ground pile head is provided with a storage battery electrically connected with the guide rail sliders, the storage battery is provided with a switch for controlling the on/off of the guide rail sliders, the switch is electrically connected with the terminal strip, one end of the guide rail slider, which is away from the linear guide rails, is provided with an insulating base, one end of the insulating base, which is away from the guide rail sliders, is provided with a conductive rod, one side of the conductive rod, which is opposite to the conductive rod, is provided with a first piston shaft, one end of the first piston shaft, which is away from the first piston, is provided with a conductive limiting plate, the ground connection pile is characterized in that a second stroke contact mounting seat is mounted at the lower end of the ground connection pile head, a limiting groove is formed in the second stroke contact mounting seat and is located below the ground connection wire mounting hole, a second stroke contact is arranged at the bottom in the limiting groove, and the second stroke contact is electrically connected with the terminal strip.
4. The ground pile head with the online anti-misoperation function according to claim 3, wherein a first spring is arranged between the first piston and the conductive limiting plate, and the first spring is sleeved on the periphery of the first piston shaft.
5. The ground pile head with the online anti-misoperation function according to claim 1, wherein a first mounting plate is installed at the upper end of the ground pile head and at the position of the ground wire installation hole, a second hinge and a third hinge are installed on the first mounting plate, a third piston is installed on the second hinge, a third piston shaft is installed at the end, away from the second hinge, of the third piston, a third mounting plate is installed at the end, away from the third piston, of the third piston shaft, a second piston is installed on the third hinge, a second piston shaft is installed at the end, away from the third hinge, of the second piston, a second mounting plate is installed at the end, away from the second piston, of the second piston shaft, a rotating shaft is connected between the second mounting plate and the third mounting plate, a guide wheel is installed at the periphery of the rotating shaft, and a fourth piston and a fifth piston are installed at the opposite side of the second mounting plate and the third mounting plate respectively, and a fourth piston shaft is connected between the fourth piston and the fifth piston, a fourth spring is arranged between the fourth piston and the fifth piston, and the fourth spring is sleeved on the periphery of the fourth piston shaft.
6. The ground pile head with the online anti-misoperation function according to claim 5, wherein a second spring is arranged between the second piston and the second mounting plate, and the second spring is sleeved on the outer periphery of the second piston shaft.
7. The ground pile head with the online anti-misoperation function according to claim 5, wherein a third spring is arranged between the third piston and the third mounting plate, and the third spring is sleeved on the periphery of the fourth piston shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920704856.5U CN209766768U (en) | 2019-05-17 | 2019-05-17 | Grounding pile head with online anti-misoperation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920704856.5U CN209766768U (en) | 2019-05-17 | 2019-05-17 | Grounding pile head with online anti-misoperation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209766768U true CN209766768U (en) | 2019-12-10 |
Family
ID=68761475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920704856.5U Expired - Fee Related CN209766768U (en) | 2019-05-17 | 2019-05-17 | Grounding pile head with online anti-misoperation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209766768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115275714A (en) * | 2022-08-01 | 2022-11-01 | 浙江江山恒力电气股份有限公司 | Special high-voltage power supply connecting device for movable rectifier transformer |
-
2019
- 2019-05-17 CN CN201920704856.5U patent/CN209766768U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115275714A (en) * | 2022-08-01 | 2022-11-01 | 浙江江山恒力电气股份有限公司 | Special high-voltage power supply connecting device for movable rectifier transformer |
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Granted publication date: 20191210 Termination date: 20200517 |