CN221023350U - Cantilever support device and mobile contact net - Google Patents
Cantilever support device and mobile contact net Download PDFInfo
- Publication number
- CN221023350U CN221023350U CN202322645541.7U CN202322645541U CN221023350U CN 221023350 U CN221023350 U CN 221023350U CN 202322645541 U CN202322645541 U CN 202322645541U CN 221023350 U CN221023350 U CN 221023350U
- Authority
- CN
- China
- Prior art keywords
- movable structure
- cantilever
- wrist
- support device
- movable
- 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
- 210000000707 wrist Anatomy 0.000 claims abstract description 78
- 238000000034 method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Manipulator (AREA)
Abstract
The utility model relates to a cantilever support device and a mobile contact net, which are applied to the field of mobile contact nets and at least comprise a cantilever body, a movable structure and a power supply body; the movable structure is directly or indirectly arranged on the wrist arm body, and can move back and forth in the length direction of the wrist arm body; the movable structure is used for adjusting the whole length of the wrist support device; the power supply is directly or indirectly arranged on the movable structure. The movable structure moves in a first direction along the length direction of the cantilever body, and the whole length of the cantilever support device is extended after part or the whole of the movable structure moves in the first direction. The cantilever support device provided by the utility model can completely or basically remove the power supply body out of the space above the rail, is convenient for loading and unloading operation of the freight train, and ensures the safety of loading and unloading operation of the freight train by adopting hoisting equipment.
Description
Technical Field
The utility model belongs to the field of electrified railway mobile contact networks, and particularly relates to a cantilever support device and a mobile contact network.
Background
The existing mobile contact net is applied to a large freight loading and unloading station, and when a freight train enters or exits the freight loading and unloading station, a carrier rope and/or a contact line of the mobile contact net are/is required to be positioned above a rail, so that electricity can be conveniently taken from the contact line after a pantograph of the freight train is lifted; when the freight train is parked at the freight loading and unloading station, the overhead contact system above the rail needs to be removed to leave the space above the rail so as to facilitate loading and unloading operations.
The existing movable contact net carrier cable and contact line are fixed on the rotating cantilever, and the difference exists between the carrier cable acting forces between the rotating cantilever and the rotating cantilever due to the influence of thermal expansion and cold contraction, for example, the two ends of the movable contact line are close to the power supply device, if acting force of ton acts on the cantilever close to the two ends of the movable contact net, the structure of the cantilever is easy to be damaged, the service life is influenced, in addition, the rotation is stopped after the first or last cantilever in the prior art rotates in place, the rest rotating cantilever in the movable contact net does not rotate to the side of a railway, and the carrier cable and/or the contact line between the cantilever and the cantilever are not straightened; if the rotating wrist arm does not rotate to the side of the railway, the space above the railway is not completely reserved; on one hand, the fork truck is prevented, and the suspension device carries out loading and unloading operation on the freight train; on the other hand, the suspension device is easy to touch a carrier rope and a contact line or touch a rotating wrist arm, and the dragging action is easy to damage the mobile contact net and has potential safety hazards.
Therefore, a new structure can be developed, when the cantilever rotates to the side of the railway, the carrier rope and the contact line can be further pulled to move under the condition that the power device is pulled, so that the rotating cantilever can be conveniently driven to move out of the railway to the side of the railway, and the space above the railway is reserved for convenient operation.
Disclosure of utility model
In order to effectively solve the problems in the prior art, the utility model provides a cantilever support device and a mobile contact net so as to solve the complement in the prior art.
In order to achieve the above object, a first aspect of the present utility model provides a cantilever support device, which is applied to the field of mobile contact networks, and at least comprises a cantilever body, a movable structure and a power supply body; wherein the method comprises the steps of
The movable structure is directly or indirectly arranged on the wrist arm body, and can move back and forth in the length direction of the wrist arm body; the movable structure is used for adjusting the whole length of the wrist support device; the power supply is directly or indirectly arranged on the movable structure.
Further, the movable structure moves in a first direction along the length direction of the wrist arm body, and after part or the whole of the movable structure moves in the first direction, the whole length of the wrist arm supporting device is extended; or alternatively
The movable structure moves towards the second direction along the length direction of the cantilever body, and after part or the whole of the movable structure moves towards the second direction, the whole length of the cantilever supporting device is shortened.
Further, the power supply body on the cantilever support device is in a working position state when being positioned above the railway, and the power supply body on the cantilever support device is in a non-working position state when being positioned at the side of the railway; during part or all of the rotation of the wrist support apparatus from the operative position to the inoperative position, part or all of the movable structure is movable in a first direction such that the overall length of the wrist support apparatus is extended.
Further, the cantilever support device stops rotating in the non-working position state, and the force acting on the power supply body directly or indirectly acts on the movable structure to drive part or the whole of the movable structure to further move in the first direction in the length direction of the cantilever body, so that the power supply body is further moved in the non-working position state.
Further, the overall length of the cantilever support apparatus in the non-operative position is greater than the overall length of the cantilever support apparatus in the operative position.
Further, the device also comprises a return driving device, wherein the return driving device is used for driving or pulling the movable structure to move towards the second direction when the wrist support device rotates from the non-working position state to the working position state or when the wrist support device is in the working position state, so that the whole length of the wrist support device is shortened.
Further, the return driving device is of an elastically deformable push-pull structure;
first working condition:
The wrist support device rotates from the working position state to the non-working position state partially or completely; and/or, when the wrist support device is in a non-working state, the movable structure moves forward for one movement; the movable structure is pulled by the power supply body to move and compress or stretch the elastically deformable push-pull structure; or alternatively
The second working condition is as follows:
When the wrist support device is in a non-working state, the movable structure moves in a second direction; and/or during part or all of the rotation of the wrist support apparatus from the inactive position to the active position; the elastic deformable push-pull structure pushes or pulls the movable structure to return, so that the whole length of the wrist arm supporting device is shortened.
Further, the wrist support device further comprises a moving assembly, and the movable structure can move back and forth in the length direction of the wrist body by using the moving assembly so as to increase or decrease the whole length of the wrist support device.
The sliding component is directly or indirectly arranged on the wrist arm body, and the movable structure is directly or indirectly arranged on the sliding component.
Further, the wrist rest further comprises a structure for enabling the movable structure to move back and forth on the wrist rest body;
first case:
The first structural form: the movable structure and the cantilever body adopt a slideway structure form, so that the movable structure can move relative to the cantilever body after being pulled by force;
the second structural form: the movable structure and the cantilever body adopt a sliding groove structure form, so that the movable structure can move relative to the cantilever body after being pulled by force;
The third structural form: the movable structure and the cantilever body adopt a structure form of a sliding rail, so that the movable structure can move relative to the cantilever body after being pulled by force;
Fourth structural form: the movable part in the movable structure can move by utilizing the track pulleys under the condition that the movable part is pulled by force;
Fifth structural form: the movable structure comprises a plurality of track pulleys, wherein the track pulleys are directly or indirectly arranged on the movable structure, the track pulleys can move on the cantilever body, and the track pulleys can be driven to move on the cantilever body under the condition that the movable structure is pulled by force; or alternatively
Sixth structural form: the movable structure comprises a plurality of travelling wheels, wherein the travelling wheels are arranged on a wrist arm body or a movable structure, and the arranged travelling wheels are utilized to realize the relative movement between the movable structure and the wrist arm body.
Further, the power supply body comprises a carrier rope and/or a contact line.
Further, the device also comprises a stroke compensation device which is directly or indirectly arranged on the movable structure, and the carrier rope and/or the contact line is directly or indirectly arranged on the stroke compensation device.
The second aspect of the present utility model provides a mobile catenary, where the mobile catenary at least includes more than one cantilever support device, and the cantilever support device adopts the cantilever support device.
The utility model has the following beneficial effects:
1. According to the utility model, the movable structure is adopted to move back and forth in the length direction of the cantilever body, so that the whole length of the cantilever support device can be effectively increased or shortened, the cantilever support device can be effectively driven to move further towards the side of a railway under the condition of extending the cantilever support device, the power supply body can be effectively driven to move further towards the side of the railway, the power supply body can be completely or basically moved out of the space above a rail, the loading and unloading operation of a freight train is facilitated, and the safety of the loading and unloading operation of the freight train by adopting hoisting equipment is ensured.
2. The device provided by the utility model can further tighten the carrier cable and/or the contact line between the cantilever support device and the cantilever support device, so as to avoid potential safety hazards.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a wrist support apparatus of the present utility model in a working position;
FIG. 2 is a second schematic view of the wrist support apparatus of the present utility model in a working position;
FIG. 3 is a schematic view of the wrist support apparatus of the present utility model in a non-operative position.
In the figure: 1. a wrist arm body; 2. a movable structure; 3. a power supply; 31. a carrier cable; 32. a contact line; 4. an elastically deformable push-pull structure; 5. a moving assembly; 6. a first stroke compensation device; 7. a second stroke compensation device; 8. a column; 9. a sliding shaft; 10. and a sliding clamping piece.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus consistent with aspects of the utility model as detailed in the accompanying claims.
As shown in fig. 1 and 2, a first aspect of the present embodiment provides a cantilever support device, which is applied to the field of mobile contact networks, and at least includes a cantilever body 1, a movable structure 2 and a power supply 3; wherein the method comprises the steps of
The movable structure 2 is directly or indirectly arranged on the cantilever body 1, and the movable structure 2 can move back and forth in the length direction of the cantilever body 1; the movable structure 2 is used for adjusting the whole length of the wrist support device; the power supply 3 is arranged directly or indirectly on the movable structure 2.
As a preferred embodiment, in this embodiment, the movable structure 2 moves in a first direction along the length direction of the wrist arm body 1, and after a part or the whole of the movable structure 2 moves in the first direction, the whole length of the wrist arm support apparatus is extended; or alternatively
The movable structure 2 moves in the second direction along the length direction of the cantilever body 1, and the whole length of the cantilever support device is shortened after part or whole of the movable structure 2 moves in the second direction.
Referring to fig. 3, it should be noted that, in this embodiment, the first direction and the second direction are defined and described as follows:
the center of this embodiment is that the movable structure 2 is moved further in the longitudinal direction of the cantilever body 1 so as to increase the overall length of the cantilever support device, and the first direction in this embodiment is the direction in which the movable structure 2 moves, which results in the increase of the overall length of the cantilever support device, so that the corresponding second direction is the direction in which the movable structure 2 moves, which results in the decrease of the overall length of the cantilever support device. In this embodiment, the movement in the first direction or the movement in the second direction is independent of whether the wrist support apparatus is in the operating position state or the non-operating position state.
As a preferred embodiment, in this embodiment, the power supply 3 on the cantilever support device is in a working position when it is located above the railway, and the power supply 3 on the cantilever support device is in a non-working position when it is located at the side of the railway; during part or all of the rotation of the wrist support from the active position to the inactive position, part or all of the movable structure 2 is movable in a first direction such that the overall length of the wrist support is extended.
As a preferred embodiment, in this embodiment, the cantilever support apparatus stops rotating when being in the inactive position, and the force acting on the power supply 3 directly or indirectly acts on the movable structure 2 to drive part or the whole of the movable structure 2 to move further in the first direction along the length direction of the cantilever body 1, so as to realize further movement of the power supply 3 in the inactive position.
As a preferred embodiment, the overall length of the cantilever support apparatus in the inactive position in this embodiment is greater than the overall length of the cantilever support apparatus in the active position.
As a preferred embodiment, the present embodiment further includes a return driving device (not shown in the drawing), where the return driving device is configured to drive or pull the movable structure 2 to move in the second direction when the wrist support device rotates from the inactive position to the active position, or when the wrist support device is in the active position, so that the overall length of the wrist support device is shortened.
As a preferred embodiment, the return driving device in this embodiment is an elastically deformable push-pull structure 4;
first working condition:
the wrist support device rotates from the working position state to the non-working position state partially or completely; and/or, when the wrist support device is in a non-working state, the movable structure 2 moves forward for one movement; the movable structure 2 is pulled by the power supply body 3 to compress or stretch the elastically deformable push-pull structure 4; or alternatively
The second working condition is as follows:
When the wrist support device is in a non-working state, the movable structure 2 moves in a second direction; and/or during part or all of the rotation of the wrist support apparatus from the inactive position to the active position; the elastically deformable push-pull structure 4 pushes or pulls the movable structure 2 back, so that the overall length of the wrist support device is shortened.
It should be noted that the deformable push-pull structure in this embodiment may be replaced by an elastic component, for example, in a preferred embodiment, the deformable push-pull structure may be implemented by a spring component. This is merely a supplementary illustration, including but not limited to the embodiments described above.
As a preferred embodiment, the present embodiment further includes a moving assembly 5, and the movable structure 2 can move back and forth in the length direction of the wrist arm body 1 by using the moving assembly 5 so as to increase or decrease the overall length of the wrist arm support apparatus.
The sliding assembly is directly or indirectly arranged on the wrist body 1, and the movable structure 2 is directly or indirectly arranged on the sliding assembly.
As a preferred embodiment, the present embodiment further includes a structure for realizing the back and forth movement of the movable structure 2 on the wrist arm body 1;
first case:
the first structural form: the movable structure 2 and the cantilever body 1 adopt a slideway structure form, so that the movable structure 2 can move relative to the cantilever body 1 after being pulled by force;
the second structural form: the movable structure 2 and the cantilever body 1 adopt a sliding groove structure form, so that the movable structure 2 can move relative to the cantilever body 1 after being pulled by force;
The third structural form: the movable structure 2 and the cantilever body 1 adopt a sliding rail structure form, so that the movable structure 2 can move relative to the cantilever body 1 after being pulled by force;
Fourth structural form: the wrist arm mechanism comprises a plurality of track pulleys, wherein the track pulleys are directly or indirectly arranged on the wrist arm body 1, and a movable piece in the movable structure 2 can move by using the track pulleys under the condition that the movable piece is pulled by force;
Fifth structural form: the movable structure comprises a plurality of track pulleys, wherein the track pulleys are directly or indirectly arranged on a movable structure 2, the track pulleys can move on a cantilever body 1, and the movable structure 2 can drive the track pulleys to move on the cantilever body 1 under the condition that the movable structure 2 is pulled by force; or alternatively
As shown in the figure, this embodiment provides a sixth structural form: the movable arm body comprises a plurality of travelling wheels, wherein the travelling wheels can be moved in a travelling wheel mode in the corresponding drawing, but the travelling wheels in the drawing are only one specific installation mode, and the combined installation mode of any structure is within the protection scope of the utility model, so long as the travelling wheels are arranged on the arm body 1 or the movable structure 2, the arranged travelling wheels are utilized to realize the relative movement between the movable structure 2 and the arm body 1, and the combined installation mode is within the protection scope of the utility model.
It should be noted that, in this embodiment, the power supply 3 includes a carrier cable 31 and/or a contact line 32.
As a preferred embodiment, the present example further comprises a travel compensation device, which is arranged directly or indirectly on the movable structure 2, and the carrier cable 31 and/or the contact line 32 are arranged directly or indirectly on the travel compensation device.
It should be noted that the contact line 32 may be used alone in a mobile contact system, such as a short-distance mobile contact system. There may be a carrier cable 31 used alone according to practical requirements, and in a typical mobile catenary, the carrier cable 31 and the contact line 32 are used simultaneously, for example, in a long-distance mobile catenary. In the case of the simultaneous presence of a carrier cable and a contact line, a corresponding first stroke compensation device 7 and second stroke compensation device 8 are required, the carrier cable being arranged directly or indirectly in the first stroke compensation device 7, the specific arrangement being incorporated by reference in its entirety into the present patent application CN 214822715U. The contact line is arranged directly or indirectly on the second stroke compensation device 7, which comprises at least a sliding clamping member 10 and a sliding shaft 9, the contact line being clamped on the sliding clamping member 10, the sliding clamping member 10 being movable back and forth on the sliding shaft 9.
The second aspect of the present utility model provides a mobile catenary, where the mobile catenary at least includes more than one cantilever support device, and the cantilever support device adopts the cantilever support device.
According to the utility model, the movable structure is adopted to move back and forth in the length direction of the cantilever body, so that the whole length of the cantilever support device can be effectively increased or shortened, the cantilever support device can be effectively driven to move further towards the side of a railway under the condition of extending the cantilever support device, the power supply body can be effectively driven to move further towards the side of the railway, the power supply body can be completely or basically moved out of the space above a rail, the loading and unloading operation of a freight train is facilitated, and the safety of the loading and unloading operation of the freight train by adopting hoisting equipment is ensured. The device provided by the utility model can further tighten the carrier cable and/or the contact line between the cantilever support device and the cantilever support device, so as to avoid potential safety hazards.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (13)
1. Cantilever support device is applied to mobile contact net field, its characterized in that: the wrist comprises a wrist body, a movable structure and a power supply body; wherein the method comprises the steps of
The movable structure is directly or indirectly arranged on the wrist arm body, and can move back and forth in the length direction of the wrist arm body; the movable structure is used for adjusting the whole length of the wrist support device; the power supply is directly or indirectly arranged on the movable structure.
2. The cantilever support apparatus according to claim 1, wherein: the movable structure moves in a first direction along the length direction of the cantilever body, and the whole length of the cantilever support device is extended after part or the whole of the movable structure moves in the first direction; or alternatively
The movable structure moves towards the second direction along the length direction of the cantilever body, and after part or the whole of the movable structure moves towards the second direction, the whole length of the cantilever supporting device is shortened.
3. The cantilever support apparatus according to claim 2, wherein: the power supply body on the cantilever support device is in a working position state when being positioned above the railway, and is in a non-working position state when being positioned at the side of the railway; during part or all of the rotation of the wrist support apparatus from the operative position to the inoperative position, part or all of the movable structure is movable in a first direction such that the overall length of the wrist support apparatus is extended.
4. A cantilever support according to claim 3, wherein: the wrist support device stops rotating in a non-working position state, and the force acting on the power supply body directly or indirectly acts on the movable structure to drive part or the whole of the movable structure to further move in the first direction in the length direction of the wrist body, so that the power supply body is further moved in the non-working position state.
5. The cantilever support apparatus according to claim 4, wherein: the overall length of the cantilever support in the non-operative position is greater than the overall length of the cantilever support in the operative position.
6. The cantilever support apparatus according to any one of claims 2 to 5, wherein: the device also comprises a return driving device, wherein the return driving device is used for driving or pulling the movable structure to move towards the second direction when the wrist support device rotates from the non-working position state to the working position state or when the wrist support device is positioned in the working position state, so that the whole length of the wrist support device is shortened.
7. The cantilever support apparatus according to claim 6, wherein: the return driving device is of an elastically deformable push-pull structure;
first working condition:
The wrist support device rotates from the working position state to the non-working position state partially or completely; and/or, when the wrist support device is in a non-working state, the movable structure moves forward for one movement; the movable structure is pulled by the power supply body to move and compress or stretch the elastically deformable push-pull structure; or alternatively
The second working condition is as follows:
When the wrist support device is in a non-working state, the movable structure moves in a second direction; and/or during part or all of the rotation of the wrist support apparatus from the inactive position to the active position; the elastic deformable push-pull structure pushes or pulls the movable structure to return, so that the whole length of the wrist arm supporting device is shortened.
8. The cantilever support apparatus according to any one of claims 1 to 5 or claim 7, wherein: the movable structure can move back and forth in the length direction of the wrist arm body by using the movable assembly so as to increase or decrease the whole length of the wrist arm supporting device.
9. The cantilever support apparatus according to any one of claims 1 to 5 or claim 7, wherein: the wrist rest further comprises a sliding component, wherein the sliding component is directly or indirectly arranged on the wrist rest body, and the movable structure is directly or indirectly arranged on the sliding component.
10. The cantilever support apparatus according to any one of claims 1 to 5 or claim 7, wherein: the wrist arm body is provided with a movable structure, and the movable structure is arranged on the wrist arm body and used for moving back and forth on the wrist arm body; first case:
The first structural form: the movable structure and the cantilever body adopt a slideway structure form, so that the movable structure can move relative to the cantilever body after being pulled by force;
the second structural form: the movable structure and the cantilever body adopt a sliding groove structure form, so that the movable structure can move relative to the cantilever body after being pulled by force;
The third structural form: the movable structure and the cantilever body adopt a structure form of a sliding rail, so that the movable structure can move relative to the cantilever body after being pulled by force;
Fourth structural form: the movable part in the movable structure can move by utilizing the track pulleys under the condition that the movable part is pulled by force;
Fifth structural form: the movable structure comprises a plurality of track pulleys, wherein the track pulleys are directly or indirectly arranged on the movable structure, the track pulleys can move on the cantilever body, and the track pulleys can be driven to move on the cantilever body under the condition that the movable structure is pulled by force; or alternatively
Sixth structural form: the movable structure comprises a plurality of travelling wheels, wherein the travelling wheels are arranged on a wrist arm body or a movable structure, and the arranged travelling wheels are utilized to realize the relative movement between the movable structure and the wrist arm body.
11. The cantilever support apparatus according to claim 10, wherein: the power supply body comprises a carrier rope and/or a contact line.
12. The cantilever support apparatus according to claim 11, wherein: the device further comprises a stroke compensation device which is directly or indirectly arranged on the movable structure, and the carrier cable and/or the contact line is directly or indirectly arranged on the stroke compensation device.
13. Mobile contact net, its characterized in that: the mobile contact net at least comprises more than one cantilever support device, and the cantilever support device adopts the cantilever support device of any one of the claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322645541.7U CN221023350U (en) | 2023-09-27 | 2023-09-27 | Cantilever support device and mobile contact net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322645541.7U CN221023350U (en) | 2023-09-27 | 2023-09-27 | Cantilever support device and mobile contact net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221023350U true CN221023350U (en) | 2024-05-28 |
Family
ID=91180620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322645541.7U Active CN221023350U (en) | 2023-09-27 | 2023-09-27 | Cantilever support device and mobile contact net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221023350U (en) |
-
2023
- 2023-09-27 CN CN202322645541.7U patent/CN221023350U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115214741B (en) | Emergency braking and emergency supporting method and device for high-temperature superconductive magnetic levitation train | |
| CA2752251C (en) | Current collector and energy transmission system | |
| CN201062187Y (en) | Coal mine down-hole tunnel mono-rail hoister | |
| CN221023350U (en) | Cantilever support device and mobile contact net | |
| CN112498182A (en) | Force transmission mechanism, side-shifting cantilever positioning device, mobile contact network and operation method | |
| CN114633666A (en) | Extension type supporting device, mobile contact net and operation method | |
| CN212861433U (en) | Long-distance electric traction intelligent monorail crane | |
| CN215343269U (en) | High-reliability seamless sliding contact line power supply device | |
| CN112644345A (en) | Mobile contact net for eliminating construction errors and operation method | |
| CN114148222A (en) | Flexible mobile contact net for large freight yard containers and operation method | |
| CN113043918A (en) | Force transmission mechanism, cantilever positioning device, mobile contact network and operation method | |
| CN210504334U (en) | Automatic telescoping device that flexible belt of head was used | |
| CN112572239A (en) | Positioning device for eliminating construction errors, mobile contact network and operation method | |
| CN209925465U (en) | Wheel braking device | |
| CN219236832U (en) | Telescopic structure applied to movable contact net rotating cantilever device | |
| CN112537228A (en) | Mobile contact net compensation mechanism and mobile contact net | |
| CN217649329U (en) | Mobile contact net supporting structure with clamping function and mobile contact net | |
| CN217995744U (en) | Electricity supplying mechanism of compactor device | |
| CN221067849U (en) | Novel cantilever device and mobile contact net adopting same | |
| CN215474603U (en) | Mobile contact net for eliminating construction errors | |
| CN214114698U (en) | Cable anti-sagging device of segment crane | |
| CN214564766U (en) | Force transmission mechanism, side shift cantilever positioner and remove contact net | |
| CN217124604U (en) | Extension type supporting device and mobile contact net | |
| CN214523429U (en) | Be applied to and remove contact net connection piece structure and remove contact net | |
| CN215474608U (en) | Mobile contact net compensation mechanism and mobile contact net |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |