CN213171193U - Control device of cable crane - Google Patents
Control device of cable crane Download PDFInfo
- Publication number
- CN213171193U CN213171193U CN202022171511.3U CN202022171511U CN213171193U CN 213171193 U CN213171193 U CN 213171193U CN 202022171511 U CN202022171511 U CN 202022171511U CN 213171193 U CN213171193 U CN 213171193U
- Authority
- CN
- China
- Prior art keywords
- control unit
- cart
- control
- mounting
- trolley
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control And Safety Of Cranes (AREA)
Abstract
The embodiment of the application discloses a control device of a cable crane. The device comprises: the control cabinet main body is of a rectangular shell structure, the outer surface of a bottom plate of the shell structure can be in contact with a mounting plate on the cable crane, and a mounting lug plate is arranged on the outer side of the upper bottom surface of the shell structure and used for fixing the control cabinet main body on the mounting plate; the control cabinet cover plate is rotationally connected with one side surface of the shell structure and can rotate along the rotational connection part of the control cabinet cover plate and the shell structure; the outer surface of the control cabinet cover plate is provided with a cart control button and a trolley control button, wherein the cart control button is electrically connected with the cart control unit, and the trolley control button is electrically connected with the trolley control unit.
Description
Technical Field
The embodiment of the application relates to the technical field of hoisting equipment, in particular to a control device of a cable crane.
Background
Cables are often used for carrying in modern engineering or machinery, for example, two main cables of a suspension bridge bear the whole load of the bridge, are the main bearing members of the suspension bridge, and cannot be replaced in the service life of the whole bridge; for another example, a cable crane for hoisting, transporting, loading and unloading goods in a large space range is used as a large-span overhead bearing member for a load-carrying trolley for suspending heavy objects to run back and forth on a bearing cable, and has vertical transportation and horizontal transportation functions.
However, since the cable is flexibly connected with the hoisting heavy object, the problems of the lifting of the cable, the collision and the shaking possibly generated by the operation of the load-carrying trolley and the like need to be noticed all the time in the process of hoisting the heavy object.
Therefore, it is desirable to provide a solution to the above technical problem.
SUMMERY OF THE UTILITY MODEL
In view of the above, embodiments of the present application provide a control device for a cable crane, so as to solve or alleviate the above technical problems.
The embodiment of the application provides a cable crane controlling means, install in on the cable crane, include: the control cabinet main body is of a rectangular shell structure, a first mounting part and a second mounting part are arranged on a bottom plate on the inner side of the shell structure, the outer surface of the bottom plate of the shell structure can be in contact with a mounting plate on the cable crane, and a mounting lug plate is arranged on the outer side of the upper bottom surface of the shell structure and used for fixing the control cabinet main body on the mounting plate; wherein, the surface opposite to the bottom surface on the shell structure is provided with an opening; the cart control unit is fixedly arranged on the first installation part, is electrically connected with the cart traveling unit of the cable crane and is used for controlling the movement of the cart traveling unit; the trolley control unit is fixedly arranged on the second installation part, is electrically connected with the trolley travelling unit of the cable crane and is used for controlling the movement of the trolley travelling unit; one side of the control cabinet cover plate is rotatably connected with one side surface of the shell structure and can rotate along the rotary connection part of the control cabinet cover plate and the shell structure so as to seal the shell structure; the control cabinet is characterized in that a cart control button and a trolley control button are arranged on the outer surface of the control cabinet cover plate, wherein the cart control button is electrically connected with the cart control unit and used for controlling the cart control unit to be started or closed, and the trolley control button is electrically connected with the trolley control unit and used for controlling the trolley control unit to be started or closed.
Optionally, in any embodiment of the present application, the first mounting portion is located at a lower portion of the bottom surface, the second mounting portion is located at an upper portion of the bottom plate, and correspondingly, the cart control unit is fixedly mounted at the lower portion of the bottom plate, and the cart control unit is fixedly mounted at the upper portion of the bottom plate.
Optionally, in any embodiment of the present application, the mounting ear plate extends upward along the up-down direction of the housing structure, and one surface of the mounting ear plate facing the mounting plate is flush with the outer side surface of the bottom plate.
Optionally, in any embodiment of the present application, the number of the mounting lugs is at least two, and at least two of the mounting lugs are uniformly distributed on the outer side of the upper bottom surface of the shell structure along the left-right direction of the shell structure.
Optionally, in any embodiment of the present application, the mounting lug plate is provided with a bolt hole, so that the control cabinet main body is fixed on the mounting plate by passing a bolt fastener through the bolt hole.
Optionally, in any embodiment of the present application, the mounting ear plate is also disposed on the outer side of the lower bottom surface of the casing structure, and can be matched with the mounting ear plate on the outer side of the upper bottom surface of the casing structure, so as to fix the control cabinet main body on the mounting plate.
Optionally, in any embodiment of the present application, a third mounting portion is further disposed on the bottom plate inside the shell structure; correspondingly, the control device further comprises: and the safety unit is fixedly arranged on the third installation part and is electrically connected with the cart control unit and the trolley control unit so as to perform overvoltage and/or overcurrent protection on the cart control unit and the trolley control unit.
Optionally, in any embodiment of the present application, an emergency stop button is further disposed on an outer surface of the control cabinet cover plate, and is electrically connected to the cart control unit and the cart control unit, so as to be able to cut off a control circuit of the cart control unit and/or the cart control unit.
Optionally, in any embodiment of the present application, a heat dissipation hole is further disposed on a lower bottom surface of the housing structure.
Optionally, in any embodiment of the present application, a control circuit board is further disposed on the bottom plate inside the shell structure, the control circuit board is electrically connected to the cart control unit and the cart control unit respectively, and a wireless communication module is disposed on the control circuit board and is capable of receiving a remote control signal and controlling the cart control unit and the cart control unit according to the remote control signal.
Optionally, in any embodiment of the present application, a reserved mounting hole is further provided on an outer surface of the control cabinet cover plate.
The embodiment of the application provides a cable crane controlling means includes: the control cabinet main body is of a rectangular shell structure, a first mounting part and a second mounting part are arranged on a bottom plate on the inner side of the shell structure, the outer surface of the bottom plate of the shell structure can be in contact with a mounting plate on the cable crane, and a mounting lug plate is arranged on the outer side of the upper bottom surface of the shell structure and used for fixing the control cabinet main body on the mounting plate; wherein, the surface opposite to the bottom surface on the shell structure is provided with an opening; the cart control unit is fixedly arranged on the first installation part, is electrically connected with the cart traveling unit of the cable crane and is used for controlling the movement of the cart traveling unit; the trolley control unit is fixedly arranged on the second installation part, is electrically connected with the trolley travelling unit of the cable crane and is used for controlling the movement of the trolley travelling unit; one side of the control cabinet cover plate is rotatably connected with one side surface of the shell structure and can rotate along the rotary connection part of the control cabinet cover plate and the shell structure so as to seal the shell structure; the control cabinet is characterized in that a cart control button and a trolley control button are arranged on the outer surface of the control cabinet cover plate, wherein the cart control button is electrically connected with the cart control unit and used for controlling the cart control unit to be started or closed, and the trolley control button is electrically connected with the trolley control unit and used for controlling the trolley control unit to be started or closed.
Therefore, the cart control unit controls the movement of the cart walking unit, the trolley control unit controls the movement of the trolley walking unit, the cart control unit and the trolley control unit are installed on the cable crane through the control cabinet main body, and the shell structure of the control cabinet main body protects the cart walking unit and the trolley walking unit, so that electrical components such as the cart walking unit and the trolley walking unit are effectively prevented from being exposed in the air, and the safety performance is improved; the control cabinet cover plate is rotationally connected with the shell structure, so that the installation and maintenance of the cart control unit and the trolley control unit are facilitated; the control cabinet cover plate is provided with a cart control button electrically connected with the cart control unit and a trolley control button electrically connected with the trolley control unit, so that the control convenience of the cart control unit and the trolley control unit is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present application, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is an isometric schematic view of a cable crane control apparatus according to an embodiment of the present application;
FIG. 2 is another schematic axial view of a cable hoist control device according to an embodiment of the present application;
FIG. 3 is a schematic front view of a cable jack control device according to an embodiment of the present application;
fig. 4 is a schematic side view of a cable crane control device according to an embodiment of the present application.
Description of reference numerals:
101-a control cabinet body;
111-cart control unit; 121-a trolley control unit; 131-a safety unit; 141-control circuit board; 151-mounting ear plates; 152-reserving a mounting hole;
102-control cabinet cover plate;
112-cart control buttons; 122-cart control buttons; 132-emergency stop button; 142-a locking switch;
103-heat dissipation holes.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application shall fall within the scope of the protection of the embodiments in the present application.
In the description of the present application, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" as used herein are intended to be broadly construed, and may include, for example, fixed and removable connections; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
FIG. 1 is an isometric schematic view of a cable crane control apparatus according to an embodiment of the present application; FIG. 2 is another schematic axial view of a cable hoist control device according to an embodiment of the present application; FIG. 3 is a schematic front view of a cable jack control device according to an embodiment of the present application; fig. 4 is a schematic side view of a cable crane control device according to an embodiment of the present application. As shown in fig. 1 to 4, the cable crane control apparatus, which is mounted on the cable crane, includes: the control cabinet main body 101 is of a rectangular shell structure, a first mounting part and a second mounting part are arranged on a bottom plate on the inner side of the shell structure, the outer surface of the bottom plate of the shell structure can be in contact with a mounting plate on the cable crane, and a mounting lug plate 151 is arranged on the outer side of the upper bottom surface of the shell structure and used for fixing the control cabinet main body 101 on the mounting plate; wherein, the surface opposite to the bottom surface on the shell structure is provided with an opening; a cart control unit 111 fixedly installed on the first installation part, electrically connected with the cart traveling unit of the cable crane, and configured to control movement of the cart traveling unit; a trolley control unit 121 fixedly installed on the second installation part, electrically connected with the trolley traveling unit of the cable crane, and configured to control movement of the trolley traveling unit; a control cabinet cover plate 102, one side of which is rotatably connected with one side surface of the shell structure and can rotate along the rotary connection part of the control cabinet cover plate and the shell structure so as to seal the shell structure; a cart control button 112 and a cart control button 122 are arranged on the outer surface of the control cabinet cover plate 102, wherein the cart control button 112 is electrically connected with the cart control unit 111 and used for controlling the cart control unit 111 to be started or closed, and the cart control button 122 is electrically connected with the cart control unit 121 and used for controlling the cart control unit 121 to be started or closed. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the application, the cart control unit 111 is used for controlling the movement of the cart walking unit, the trolley control unit 121 is used for controlling the movement of the trolley walking unit, the cart control unit 111 and the trolley control unit 121 are installed on the cable crane through the control cabinet main body 101, the cart walking unit and the trolley walking unit are protected by the shell structure of the control cabinet main body 101, electrical components such as the cart walking unit and the trolley walking unit are effectively prevented from being exposed in the air, and the safety performance is improved; the control cabinet cover plate 102 is rotationally connected with the shell structure, so that the cart control unit 111 and the trolley control unit 121 can be conveniently installed and maintained; the control cabinet cover plate 102 is provided with a cart control button 112 electrically connected with the cart control unit 111 and a trolley control button 122 electrically connected with the trolley control unit 121, so that the control convenience of the cart control unit 111 and the trolley control unit 121 is effectively improved. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some alternative embodiments, the first mounting portion is located at the lower portion of the bottom surface, the second mounting portion is located at the upper portion of the bottom plate, and correspondingly, the cart control unit 111 is fixedly mounted at the lower portion of the bottom plate, and the cart control unit 121 is fixedly mounted at the upper portion of the bottom plate. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, the mounting ear plate 151 extends upward along the up-down direction of the housing structure, and a surface of the mounting ear plate 151 facing the mounting plate is flush with the outer side surface of the bottom plate. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, there are at least two mounting lugs 151, and at least two mounting lugs 151 are uniformly distributed outside the upper bottom surface of the housing structure along the left-right direction of the housing structure. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some alternative embodiments, the mounting ear plate 151 is provided with bolt holes for fastening the control cabinet body 101 to the mounting plate by bolt fasteners passing through the bolt holes. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some alternative embodiments, the mounting ear plate 151 is also provided on the outer side of the lower bottom surface of the housing structure, and can cooperate with the mounting ear plate 151 on the outer side of the upper bottom surface of the housing structure to fix the control cabinet main body 101 on the mounting plate. Therefore, the control cabinet main body 101 can be firmly installed on the installation plate, and the influence on the stability of the control device caused by the shaking of the cable crane in the operation process is avoided. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, a third mounting part is further arranged on the bottom plate at the inner side of the shell structure; correspondingly, the control device further comprises: and a safety unit 131 fixedly installed at the third installation part and electrically connected to the cart control unit 111 and the cart control unit 121 to perform overvoltage and/or overcurrent protection on the cart control unit 111 and the cart control unit 121. Therefore, overvoltage or overcurrent protection is carried out on the cart walking unit and the trolley walking unit, damage to the cart walking unit and the trolley walking unit caused by the overvoltage or the overcurrent is avoided, and the operation of the cable crane is safe and reliable. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, an emergency stop button 132 is further disposed on an outer surface of the control cabinet cover 102, and is electrically connected to the cart control unit 111 and the cart control unit 121, so as to be able to cut off a control circuit of the cart control unit 111 and/or the cart control unit 121. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, the lower bottom surface of the housing structure is further provided with heat dissipation holes 103. Therefore, the heat generated by the control device in the operation process can be dissipated in time, and the effective operation of the control device is ensured. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, a control circuit board 141 is further disposed on the bottom plate inside the housing structure, the control circuit board 141 is electrically connected to the cart control unit 111 and the cart control unit 121, respectively, and a wireless communication module is disposed on the control circuit board 141, and is capable of receiving a remote control signal and controlling the cart control unit 111 and the cart control unit 121 according to the remote control signal. Therefore, the cable crane can be remotely controlled, so that in the heavy object hoisting process, an operator selects a proper operation position to observe the lifting of the cable and the running of the load trolley, and the problems of collision, shaking and the like possibly generated by the lifting of the cable and the running of the load trolley are effectively avoided. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In some optional embodiments, a reserved mounting hole 152 is further formed on the outer surface of the control cabinet cover plate 102, and the reserved mounting hole 152 can be used for mounting other control buttons. The outer surface of the control cabinet cover plate 102 is further provided with a locking switch 142, the locking switch 142 is rotatably connected with the control cabinet cover plate 102, one end of the locking switch 142 is a rotating handle, and the other end of the locking switch 142 is a lock catch. The control cabinet cover plate 102 is hermetically matched with the control cabinet main body 101, the rotating handle is twisted to drive the lock catch to rotate until the lock catch is fastened with the shell structure, and the control cabinet cover plate 102 is pressed on the control cabinet main body 101. The locking switch 142 is mounted on a corner of the control cabinet cover 102. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
In the embodiment of the present application, the reserved mounting holes 152 may also be used as the heat dissipation holes 103, the plurality of reserved mounting holes 152 are arranged in a rectangular shape, and the emergency stop button 132, the cart control button 112, and the cart control button 122 are distributed on the control cabinet cover plate 102 in parallel. It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
It should be noted that, in the present specification, all the embodiments are described in a progressive manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the apparatus and system embodiments, since they are substantially similar to the method embodiments, they are described in a relatively simple manner, and reference may be made to some of the descriptions of the method embodiments for related points. The above-described embodiments of the apparatus and system are merely illustrative, and the units described as separate parts may or may not be physically separate, and the parts suggested as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
The above embodiments are only used for illustrating the embodiments of the present application, and not for limiting the embodiments of the present application, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the embodiments of the present application, so that all equivalent technical solutions also belong to the scope of the embodiments of the present application, and the scope of the embodiments of the present application should be defined by the claims.
Claims (10)
1. A cable crane control apparatus mounted on a cable crane, comprising:
the control cabinet main body is of a rectangular shell structure, a first mounting part and a second mounting part are arranged on a bottom plate on the inner side of the shell structure, the outer surface of the bottom plate of the shell structure can be in contact with a mounting plate on the cable crane, and a mounting lug plate is arranged on the outer side of the upper bottom surface of the shell structure and used for fixing the control cabinet main body on the mounting plate; wherein, the surface opposite to the bottom surface on the shell structure is provided with an opening;
the cart control unit is fixedly arranged on the first installation part, is electrically connected with the cart traveling unit of the cable crane and is used for controlling the movement of the cart traveling unit;
the trolley control unit is fixedly arranged on the second installation part, is electrically connected with the trolley travelling unit of the cable crane and is used for controlling the movement of the trolley travelling unit;
one side of the control cabinet cover plate is rotatably connected with one side surface of the shell structure and can rotate along the rotary connection part of the control cabinet cover plate and the shell structure so as to seal the shell structure;
the control cabinet is characterized in that a cart control button and a trolley control button are arranged on the outer surface of the control cabinet cover plate, wherein the cart control button is electrically connected with the cart control unit and used for controlling the cart control unit to be started or closed, and the trolley control button is electrically connected with the trolley control unit and used for controlling the trolley control unit to be started or closed.
2. The control device of claim 1, wherein the first mounting portion is located at a lower portion of the bottom surface, the second mounting portion is located at an upper portion of the bottom plate,
in a corresponding manner, the first and second optical fibers are,
the cart control unit is fixedly arranged at the lower part of the bottom plate, and the trolley control unit is fixedly arranged at the upper part of the bottom plate.
3. The control device of claim 1, wherein the mounting ear plate extends upward along the vertical direction of the housing structure, and a surface of the mounting ear plate facing the mounting plate is flush with the outer side surface of the bottom plate.
4. The control device of claim 1, wherein there are at least two of the mounting lugs, and at least two of the mounting lugs are uniformly spaced from an outer side of an upper bottom surface of the housing structure along a left-right direction of the housing structure.
5. The control device of claim 1, wherein the mounting lug plate is provided with a bolt hole for fixing the control cabinet body to the mounting plate by a bolt fastener passing through the bolt hole.
6. The control device of claim 1, wherein the mounting lugs are also provided on the outer side of the lower bottom surface of the housing structure and are adapted to cooperate with the mounting lugs on the outer side of the upper bottom surface of the housing structure to secure the control cabinet body to the mounting plate.
7. The control device of claim 1, wherein a third mounting portion is further provided on the bottom plate inside the housing structure;
in a corresponding manner, the first and second optical fibers are,
the control device further includes: and the safety unit is fixedly arranged on the third installation part and is electrically connected with the cart control unit and the trolley control unit so as to perform overvoltage and/or overcurrent protection on the cart control unit and the trolley control unit.
8. The control device according to claim 7, wherein an emergency stop button is further arranged on the outer surface of the control cabinet cover plate, is electrically connected with the cart control unit and the trolley control unit, and can cut off a control circuit of the cart control unit and/or the trolley control unit.
9. The control device of any one of claims 1-8, wherein the housing structure further comprises heat dissipation holes on a bottom surface of the housing structure.
10. The control device according to any one of claims 1 to 8, wherein a control circuit board is further disposed on the bottom plate inside the housing structure, the control circuit board is electrically connected to the cart control unit and the cart control unit, respectively, and a wireless communication module is disposed on the control circuit board and is capable of receiving a remote control signal and controlling the cart control unit and the cart control unit according to the remote control signal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022171511.3U CN213171193U (en) | 2020-09-28 | 2020-09-28 | Control device of cable crane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022171511.3U CN213171193U (en) | 2020-09-28 | 2020-09-28 | Control device of cable crane |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213171193U true CN213171193U (en) | 2021-05-11 |
Family
ID=75777081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022171511.3U Active CN213171193U (en) | 2020-09-28 | 2020-09-28 | Control device of cable crane |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213171193U (en) |
-
2020
- 2020-09-28 CN CN202022171511.3U patent/CN213171193U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101925163B1 (en) | Construction machine | |
JP2013511452A (en) | Lifting device with connectability, especially cable pulling mechanism | |
US10351398B2 (en) | Rope hoist | |
CN213171193U (en) | Control device of cable crane | |
JP5752184B2 (en) | Aerial work vehicle and column construction method using aerial work vehicle | |
CA2529566C (en) | Lift cage with cage electrical system integrated in the cage roof and method of mounting a lift installation | |
CN210127072U (en) | Electrically controlled safety rope for working platform of aerial work vehicle | |
CN213445867U (en) | Remote-controlled cable crane | |
CN106654889A (en) | Control cabinet structure | |
CN113086908B (en) | High-altitude operation car control system and high-altitude operation car | |
CN111704061B (en) | Installation device of combined counterweight and crane | |
CN220886759U (en) | Safety monitoring device of bridge crane | |
WO2024048403A1 (en) | Electric chain block | |
CN115303945A (en) | C-shaped mechanical lifting appliance with steel coil lifting safety position monitoring control function | |
WO2023281695A1 (en) | Transportation device | |
CN212462734U (en) | Fixing device for ice melting and phase selection disconnecting link mechanism of power transmission line | |
JP6431797B2 (en) | Electric chain block | |
CN216034458U (en) | Storage battery cart | |
CN217441216U (en) | Rack bearing buckle and rack | |
CN220467299U (en) | Switch cabinet hoisting structure | |
CN218261697U (en) | Olecranon auxiliary arm, arm support and operation machinery | |
KR102636475B1 (en) | Vacuum circuit breaker with lift hook | |
CN215160579U (en) | Tray stabilizing jigger | |
CN214852128U (en) | Road integrated equipment box | |
CN220998898U (en) | Cutting device is prevented with lifting rope to plate hook roof beam |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |