CN217649329U - Mobile contact net supporting structure with clamping function and mobile contact net - Google Patents
Mobile contact net supporting structure with clamping function and mobile contact net Download PDFInfo
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- CN217649329U CN217649329U CN202221768962.8U CN202221768962U CN217649329U CN 217649329 U CN217649329 U CN 217649329U CN 202221768962 U CN202221768962 U CN 202221768962U CN 217649329 U CN217649329 U CN 217649329U
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Abstract
The utility model relates to a mobile contact net supporting structure with a clamping function and a mobile contact net, which comprises a supporting piece, a supporting structure and a pulling piece, wherein the supporting structure is directly or indirectly arranged on the supporting piece; the support structure is rotatable on a support; when the pulling piece is located at the working position, the pulling piece is configured to: the pulling piece can move relatively at a contact position which is direct or indirect relative to the supporting structure; during the process that the pulling member moves from the working position to the non-working position, or during the process that the pulling member moves from the non-working position to the working position, the pulling member is configured to: the pull member itself is fixed, directly or indirectly, to a support structure that moves with the pull member. The utility model discloses effectual solution removes the problem of contact net work position messenger wire and/or contact wire expend with heat and contract with cold, the not in place condition of cantilever pendulum among the effectual prior art of solution removal contact net.
Description
Technical Field
The utility model belongs to electronic railway removes contact net field, concretely relates to removal contact net bearing structure and removal contact net with clamping function.
Background
With the propulsion of the electric traction of railways, the electric locomotives are adopted to replace the internal combustion locomotives in the transportation of China railway trunks. Electrification is realized in a cargo loading and unloading line or warehousing maintenance. In the prior art, a flexible movable contact net is used, a motor is used for directly dragging a catenary on one side of the flexible contact net to enable a contact line to move to one side of a rail, and the mode has the defects of insufficient dragging force, unstable operation and the like for the whole anchor section long-distance movable contact net; because only one balance weight is adopted, the length of the movable contact net is generally not more than 800m.
The catenary and/or the contact line in the existing mobile contact network are/is fixedly fixed on a cantilever, after the mobile contact network is installed and put into use, the temperature of the catenary and/or the contact line is different in summer, autumn and winter, and the catenary and/or the contact line are influenced by expansion with heat and contraction with cold, so that the catenary and the contact line extend or shorten. Therefore, the catenary and the contact line arranged between the cantilever and the cantilever have the problems of excessive looseness or excessive tensioning, the normal electricity taking of the pantograph of the electric locomotive can be influenced firstly, the catenary and the contact line which are excessively tensioned easily generate tension between the cantilevers, the tension between the cantilever and the cantilever is unbalanced, the cantilever can be deformed, and the problems that a plurality of cantilevers cannot swing to the side of a railway and the like can occur.
Therefore, how to effectively solve the influence of thermal expansion and cold contraction on the moving contact net becomes a technical problem which is expected to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the not enough of current correlation technique, provide a can effectively satisfy the removal contact net of freight transportation station train loading and unloading operation to effectively solve among the prior art messenger wire and/or contact wire because the influence of bringing of expending with heat and contract with cold.
In order to achieve the above object, the present invention provides a supporting structure of a mobile contact system with a clamping function, which is applied to the field of mobile contact systems, and comprises a supporting member, a supporting structure and a pulling member, wherein the supporting structure is directly or indirectly mounted on the supporting member; the supporting structure can rotate on the supporting piece; wherein the pulling member is directly or indirectly arranged on the supporting structure; the pulling piece is provided with a working position and a non-working position; the working positions are as follows: the pulling piece is positioned above the railway; the non-working position is as follows: the pulling piece moves above the tapping rail and is positioned on the side edge of the rail;
when the pulling piece is located at the working position, the pulling piece is configured to: the pulling piece can move relatively at a contact position which is direct or indirect relative to the supporting structure;
during the process that the pulling piece moves from the working position to the non-working position, or during the process that the pulling piece moves from the non-working position to the working position, the pulling piece is configured to: the pull member itself is fixed, directly or indirectly, to a support structure that moves with the pull member.
Further, the supporting structure is driven to rotate to drive the pulling piece to move to a working position or a non-working position or drive the pulling piece to switch between the working position and the non-working position; or
The pulling piece is driven to move to drive the supporting structure to move to a working position or move to a non-working position or drive the supporting structure to switch between the working position and the non-working position.
Further, in the process that the pulling member moves from the working position to the non-working position, or in the process that the pulling member moves from the non-working position to the working position, two situations exist:
the first condition is as follows: the pushing force is provided by the movement of the pulling piece; the pushing force provided for the supporting structure in the moving process of the pulling piece is greater than the critical force for the rotation of the supporting structure; the pulling piece can drive the supporting structure to rotate; or
Case two: the supporting structure is driven to rotate to provide pushing force; in the process of rotating the supporting structure, the pulling part is directly or indirectly fixed on the supporting structure, and the supporting structure rotates and drives the pulling part to move.
Further, when the pulling member is located at the working position, the pulling member is in a separated state or in a contact state with the support structure at a direct or indirect contact position; in the process of moving the pulling piece, the pulling piece can move relative to the contact position.
Further, the pulling piece is influenced by expansion and contraction to extend or contract to move, and in the moving process of the pulling piece, the supporting structure is kept static or basically does not rotate.
Further, still include the take-up unit, the take-up unit has two operating condition at least:
the first state is a clamping state, in the clamping state, the tightening device can directly or indirectly clamp a part of the pulling part or the tightening device directly or indirectly wraps the pulling part, the pulling part moves to drive the supporting structure to rotate, or the supporting structure rotates to drive the pulling part to switch between a working position and a non-working position;
the second state is a loose state, in the loose state, the pulling piece is in a separated state or a contact state with the tightening device, and in the moving process of the pulling piece, the pulling piece can move relative to the tightening device.
Further, in a released state, the pulling piece can move relative to the tightening device; during movement of the pull member, the support structure remains stationary or remains substantially non-rotatable.
Further, the tightening device is an air control clamp or an electric control clamp.
Furthermore, the support device also comprises a support rod, wherein the support rod is arranged on the support structure, and the pulling piece is directly or indirectly arranged on the support rod.
Further, the pulling member comprises a catenary and/or a contact wire;
furthermore, the device also comprises a limiting structure, and the limiting structure is used for positioning the carrier cable.
Furthermore, the limiting structure adopts a sleeve, and the carrier cable is arranged in the sleeve in a penetrating manner.
Furthermore, a sliding structure is also arranged and is directly or indirectly arranged on the supporting rod; the contact wire can move back and forth through a sliding structure.
The utility model discloses on the other hand still provides a remove contact net, adopt a plurality of the above-mentioned removal contact net bearing structure that have clamping function in the removal contact net.
The first force mechanism directly or indirectly acts on one end of the pulling piece, and the second force mechanism directly or indirectly acts on the other end of the pulling piece.
The utility model discloses following beneficial effect has:
in the prior art, a support structure is generally rotatably arranged on an upright post and can rotate under the action of any pushing force, and a cantilever structure (also can be called as a support structure) is used for driving a carrier cable and a contact wire to move to a working position or a non-working position, but the method has the problems that: the catenary and the contact line are fixedly fixed on the supporting structure, all cantilever structures in the movable contact net need to rotate together, and the existing problem is that after one supporting device at the extreme rotates in place, the cantilever cannot rotate in place, so that the catenary and the contact line cannot be completely moved out of the position above a rail, and the loading and unloading operation is influenced;
the utility model discloses in propose adopt a new structure, propose a new drive theory. The movable contact net is in a working position state in most of time, and the movable contact net needs to be moved to the side of a railway during loading and unloading operation or overhauling operation. For example, a catenary or a contact line installed in summer can be shortened in winter; the two ends of the movable contact net provide tension through the balance weights, and due to the fact that the movable contact net is influenced by seasonal air temperature, the expansion caused by heat and the contraction caused by cold can lead the carrier cable and the contact wire to extend or shorten, relative tension can be generated between the supporting structures, the carrier cable and the contact wire are fixedly arranged on the supporting structures, tension between the supporting structures is unbalanced, and deformation of the supporting structures can be caused.
The utility model discloses in consider to remove the contact net and be in the station state in most of time, when loading and unloading operation or maintenance operation, need remove the contact net and remove the railway side. Meanwhile, when the carrier cable and the contact line rotate to the non-working position, the carrier cable and the contact line need to be completely moved above the tapping rail and positioned on the side edge of the railway; to this end, the present application proposes a new concept of arranging the messenger and the contact wire in a position of operation in a state of separation from or contact with the support structure, such that the messenger and the contact wire are free to move upon thermal expansion and contraction without driving the support structure to rotate, or such that the movement of the messenger and the contact wire in this state provides the support structure with an impulse force that is less than the critical force for the rotation of the support structure itself, which in the present case means that the support structure remains stationary or substantially non-rotating during the movement of the electrical conductor. Thus, the influence of thermal expansion and cold contraction of the carrier cable and/or the contact line on the supporting structure (the cantilever) is avoided. How to solve the problem of moving to the side of the railway? The contact net is moved to the railway side and takes place at the in-process of railway handling operation, and the loading and unloading is accomplished and needs the return to the work position, and that is drawing the piece and removing this in-process from the work position to the non-work position, can adopt a take-up unit to clip the piece that draws for draw the piece to drive the bearing structure at the in-process that removes and rotate the railway side.
The influence caused by expansion with heat and contraction with cold is effectively solved by the mode, and the condition that the pulling piece is driven to move to the working position or the non-working position or the pulling piece is driven to switch between the working position and the non-working position is met; effectively giving up space in a railway mode. The effectual solution removes the condition that the wrist arm structure pendulum does not target in place among the prior art.
Adopt in addition the utility model provides a remove contact net bearing structure contact net that has clamping function can effectively satisfy the requirement of freight transportation station train loading and unloading operation, effectively solves and touches the problem of messenger wire and/or contact wire on the removal contact net easily among the prior art.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a non-working position of a support structure of a mobile contact net with a clamping function of the utility model;
fig. 2 is a schematic view of the working position of the support structure of the mobile contact net with the clamping function of the utility model;
FIG. 3 is a partial view of the take-up unit and the sleeve of the present invention;
figure 4 is the utility model discloses remove the contact net schematic diagram.
Wherein: 1. a support member; 2. a support structure; 3. a pulling member; 31. a carrier cable; 32. a contact line; 4. A take-up unit; 5. a support bar; 6. a sleeve; 7. and a sliding structure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.
As shown in fig. 1, fig. 2 and fig. 3, the present embodiment provides a mobile catenary supporting structure 2 with a clamping function, which is applied to the field of mobile catenary, and includes a supporting member 1, a supporting structure 2 and a pulling member 3, where the supporting structure 2 is directly or indirectly mounted on the supporting member 1; the support structure 2 is able to rotate on the support 1; wherein the pulling element 3 is directly or indirectly arranged on the supporting structure 2; the pulling piece 3 is provided with a working position and a non-working position; the working positions are as follows: the pulling piece 3 is positioned above the railway; the non-working position is as follows: the pulling piece 3 moves above the tapping rail and is positioned on the side edge of the rail;
when the pull member 3 is in the working position, the pull member 3 is configured to: the pull member 3 is relatively movable in a direct or indirect contact position with respect to the support structure 2;
during the process that the pulling member 3 moves from the working position to the non-working position, or during the process that the pulling member 3 moves from the non-working position to the working position, the pulling member 3 is configured to: the pull element 3 is itself fixed directly or indirectly to the support structure 2, the support structure 2 moving together with the pull element 3.
The supporting member 1 needs to be described additionally, and the supporting structure 2 is installed on a column in the conventional method, and in an actual working condition, there is a case where the column is not used, and the supporting structure 2 is installed on other bearing members such as a cross beam. This example
It should be added that in this embodiment, there are at least two ways for the support structure 2 to rotate, the first is that the support structure 2 is driven to rotate, for example, at the root of the support structure 2 (a driving motor is installed to drive the support structure 2 to rotate), the second pull member 3 is pulled to drive the support structure 2 to rotate, for example, the pull member 3 is installed at the free end of the support structure 2, and at least one end of the pull member 3 is provided with a weight or a pulling motor to pull the pull member 3 to move, so as to drive the support structure 2 to rotate.
The first method comprises the following steps: the supporting structure 2 is driven to rotate to drive the pulling part 3 to move to a working position or move to a non-working position or drive the pulling part 3 to switch between the working position and the non-working position; or alternatively
And the second method comprises the following steps: the pulling part 3 is driven to move to drive the supporting structure 2 to move to a working position or move to a non-working position or drive the supporting structure 2 to switch between the working position and the non-working position.
Further, during the process that the pulling member 3 moves from the working position to the non-working position, or during the process that the pulling member 3 moves from the non-working position to the working position, there are two situations:
the first condition is as follows: the movement of the pulling piece 3 provides a pushing force; the pushing force provided for the supporting structure 2 in the moving process of the pulling piece 3 is greater than the critical force for the rotation of the supporting structure 2; the pulling part 3 can drive the supporting structure 2 to rotate; or
Case two: the supporting structure 2 is driven to rotate to provide a pushing force; in the process of rotating the supporting structure 2, the pulling member 3 itself is directly or indirectly fixed on the supporting structure 2, and the supporting structure 2 rotates while driving the pulling member 3 to move.
As a preferred embodiment, when the pulling member 3 is located in the working position in the present embodiment, the pulling member 3 itself is in a separated state or in a contact state with the supporting structure 2 at a direct or indirect contact position; during the movement of the pulling member 3, the pulling member 3 can move relative to the contact position.
Supplementary explanation: in order to solve the problem of expansion with heat and contraction with cold of the pulling piece 3 in a working position, when the pulling piece 3 is positioned in the working position, the pulling piece 3 is in a separated state or in a contact state with the support structure 2 at a direct or indirect contact position; the support structure 2 remains stationary or substantially non-rotatable during the movement of the electrical conductor. This avoids the effect of expansion with heat and contraction with cold on the support structure 2 of the messenger wire 31 and/or the contact wire 32.
Therefore, the pulling member 3 is moved by extending or shortening the pulling member 3 itself under the influence of thermal expansion and contraction, and the supporting structure 2 is kept stationary or substantially not rotated during the movement of the pulling member 3.
As a preferred embodiment, in this embodiment, a take-up device 4 is used to clamp or release the pulling member 3, and specifically, the take-up device 4 is further included in this embodiment, and the take-up device 4 has at least two working states:
the first state is a clamping state, in the clamping state, the tightening device 4 can directly or indirectly clamp a part of the pulling part 3 or the tightening device 4 directly or indirectly wraps the pulling part 3, the pulling part 3 can be driven to rotate by moving the pulling part 3, or the pulling part 3 can be driven to switch between a working position and a non-working position by rotating the supporting structure 2;
the second state is a released state, in which the pulling member 3 is in a separated state or in a contact state with the tightening mechanism 4, and in the process of moving the pulling member 3, the pulling member 3 can move relative to the tightening mechanism 4.
In the working position, the pulling piece 3 can move relative to the tightening device 4 when the tightening device 4 is in a loosened state; during the movement of the pull 3, the support structure 2 remains stationary or substantially non-rotating.
As a preferred embodiment, the tightening mechanism 4 in this embodiment is an air-controlled clamp or an electric-controlled clamp, including but not limited to, any device that has a function of clamping or releasing the pulling element 3 may be adopted as the tightening mechanism 4 in this embodiment.
As an expanded application example, the present embodiment further includes a support rod 5, the support rod 5 is disposed on the supporting structure 2 (generally disposed at the free end of the supporting structure 2), and the pulling member 3 is directly or indirectly disposed on the support rod 5.
It should be added here that the pulling member 3 includes a catenary 31 and/or a contact line 32, in this embodiment, at least one of the catenary 31 and the contact line 32 is hung on the lower end of the support rod 5, and the catenary 31 is arranged on the upper end of the support rod 5, and in this embodiment, the catenary 31 is clamped by the tightening device 4, so that the support structure 2 and the catenary 31 move together. The contact line 32 is hung at the lower end of the support rod 5, so that the connection can be realized.
This is of course the case of clamping the messenger wire 31, and the operating principle of the case of clamping the contact wire 32 is the same as that of the clamping of the messenger wire 31 described above and will not be described again here.
Supplementary explanation: the pull member 3 comprises a catenary 31 and/or a contact wire 32; in the mobile contact system, only the contact wire 32 is used, and the mobile contact system only has one contact wire 32 without the catenary wire 31; in another embodiment, both the catenary 31 and the contact wire 32 are used, the contact wire 32 is mainly used for supplying power to the electric locomotive, the catenary 31 mainly plays a role in supporting and bearing, and the catenary 31 is used for pulling the contact wire 32 by using a suspension in a long-distance moving contact system.
As a preferred implementation, the embodiment further includes a limiting structure, and the limiting structure is used for positioning the catenary wire 31. Preferably, the limiting structure is a sleeve 6, and the catenary 31 is arranged in the sleeve 6 in a penetrating manner. In this embodiment, when the working position is reached, the tightening mechanism 4 is in a loosened state, so that a limiting structure is required to position the pulling member 3, and the pulling member 3 is prevented from being separated from the supporting structure 2.
As a preferred embodiment, a sliding structure 7 is further provided in this embodiment, and the sliding structure 7 is directly or indirectly disposed on the supporting rod 5; the contact wire 32 can be moved back and forth by means of the sliding mechanism 7 provided.
As shown in fig. 4, in another aspect, the present embodiment further provides a mobile catenary, where a plurality of the mobile catenary support structures 2 with a clamping function are adopted in the mobile catenary.
The device further comprises a first force mechanism and a second force mechanism, wherein the first force mechanism directly or indirectly acts on one end of the pulling piece 3, and the second force mechanism directly or indirectly acts on the other end of the pulling piece 3.
It should be added that the acting force mechanism in this embodiment may be a balance weight at both ends of the messenger wire 31 and/or the contact wire 32, and the balance weight at one side is driven by the power mechanism to ascend or descend so as to drive the messenger wire 31 and/or the contact wire 32 to move, thereby driving the support structure 2 to rotate to the side of the railway or to rotate above the railway. This type of two-sided force mechanism drive has been filed by the applicant in a prior patent application and is not described in detail herein. The power structure in this embodiment may be a lifting motor or a hydraulic device to drive the weight on one side to rise or fall.
Of course, as a preferred embodiment, a weight may be provided at one end of the messenger wire 31 and/or the contact wire 32, and a dragging motor may be provided at the other end to switch the messenger wire 31/the contact wire 32 between the working position and the non-working position.
The utility model provides a remove contact net when the work position with messenger wire and contact wire set to be in the separation state or be in the contact state with bearing structure, messenger wire and contact wire expend with heat and contract with cold can freely remove, should remove can not drive bearing structure and rotate, perhaps messenger wire and contact wire remove under this kind of state and are less than bearing structure pivoted critical force itself for the driving force that bearing structure provided, promptly the in-process that the electric conductor removed bearing structure keeps static or basically keeps not rotating. The influence of expansion with heat and contraction with cold on the supporting structure (wrist arm) of the carrier cable and/or the contact line is effectively avoided.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (15)
1. Remove contact net bearing structure with clamping function, its characterized in that: the device is applied to the field of mobile contact networks and comprises a supporting piece, a supporting structure and a pulling piece, wherein the supporting structure is directly or indirectly arranged on the supporting piece; the support structure is rotatable on a support; wherein the content of the first and second substances,
the pulling piece is directly or indirectly arranged on the supporting structure; the pulling piece is provided with a working position and a non-working position;
the working positions are as follows: the pulling piece is positioned above the railway;
the non-working position comprises: the pulling piece moves above the tapping rail and is positioned on the side edge of the rail;
when the pulling piece is located at the working position, the pulling piece is configured to: the pulling piece can move relatively at a contact position which is direct or indirect relative to the supporting structure;
during the process that the pulling piece moves from the working position to the non-working position, or during the process that the pulling piece moves from the non-working position to the working position, the pulling piece is configured to: the pull member itself is fixed, directly or indirectly, to a support structure that moves with the pull member.
2. The support structure with clamping function for mobile catenary of claim 1, characterized in that: the supporting structure is driven to rotate to drive the pulling piece to move to a working position or a non-working position or drive the pulling piece to switch between the working position and the non-working position; or alternatively
The pulling piece is driven to move to drive the supporting structure to move to a working position or move to a non-working position or drive the supporting structure to switch between the working position and the non-working position.
3. The support structure for a mobile catenary having a clamping function as claimed in claim 2, wherein: in the process that the pulling piece moves from the working position to the non-working position or in the process that the pulling piece moves from the non-working position to the working position, two conditions exist:
the first condition is as follows: the pushing force is provided by the movement of the pulling piece; the pushing force provided for the supporting structure in the moving process of the pulling piece is greater than the critical force for the rotation of the supporting structure; the pulling piece can drive the supporting structure to rotate; or
Case two: the supporting structure is driven to rotate to provide pushing force; in the process of rotating the supporting structure, the pulling part is directly or indirectly fixed on the supporting structure, and the supporting structure rotates and drives the pulling part to move.
4. The support structure for a mobile catenary having a clamping function as claimed in claim 3, wherein: when the pulling piece is positioned at the working position, the pulling piece is in a separated state or in a contact state with the support structure at a direct or indirect contact position; in the process of moving the pulling piece, the pulling piece can move relative to the contact position.
5. The support structure with clamping function for mobile catenary of claim 4, characterized in that: the pulling piece is influenced by expansion with heat and contraction with cold so that the pulling piece extends or shortens to move, and in the moving process of the pulling piece, the supporting structure is kept static or basically does not rotate.
6. The mobile catenary support structure with a clamping function of any one of claims 1 to 5, further comprising: still include the take-up unit, the take-up unit has two operating condition at least:
the first state is a clamping state, in the clamping state, the elastic device can directly or indirectly clamp a part of the pulling part or the elastic device directly or indirectly wraps the pulling part, the pulling part moves to drive the supporting structure to rotate, or the supporting structure rotates to drive the pulling part to switch between a working position and a non-working position;
the second state is a release state, in the release state, the pulling piece is in a separation state or a contact state with the elastic device, and in the moving process of the pulling piece, the pulling piece can move relative to the elastic device.
7. The support structure with clamping function for mobile catenary of claim 6, characterized in that: in the unclamped state, the pulling piece can move relative to the tightening device; during movement of the pull member, the support structure remains stationary or remains substantially non-rotatable.
8. The support structure with clamping function for mobile catenary of claim 6, characterized in that: the elastic device is a pneumatic control clamp or an electric control clamp.
9. The mobile catenary support structure with a clamping function of any one of claims 1 to 5, 7 or 8, further comprising: the support structure is characterized by further comprising a support rod, the support rod is arranged on the support structure, and the pulling piece is directly or indirectly arranged on the support rod.
10. The support structure for a mobile catenary having a clamping function as claimed in claim 9, wherein: the pulling member comprises a catenary and/or a contact wire.
11. The mobile catenary support structure with a clamping function of claim 10, wherein: the positioning device further comprises a limiting structure, and the limiting structure is used for positioning the carrier cable.
12. The mobile catenary support structure with a clamping function of claim 11, wherein: the limiting structure adopts a sleeve, and the carrier cable penetrates through the sleeve.
13. The mobile catenary support structure with a clamping function of claim 10, wherein: the sliding structure is directly or indirectly arranged on the supporting rod; the contact wire can move back and forth through a sliding structure.
14. The utility model provides a remove contact net which characterized in that: the mobile contact net support structure with the clamping function is adopted in a plurality of mobile contact net support structures in any one of claims 1 to 13.
15. The mobile catenary of claim 14, wherein: the pull rod further comprises a first force mechanism and a second force mechanism, wherein the first force mechanism directly or indirectly acts on one end of the pull piece, and the second force mechanism directly or indirectly acts on the other end of the pull piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221768962.8U CN217649329U (en) | 2022-07-07 | 2022-07-07 | Mobile contact net supporting structure with clamping function and mobile contact net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221768962.8U CN217649329U (en) | 2022-07-07 | 2022-07-07 | Mobile contact net supporting structure with clamping function and mobile contact net |
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| Publication Number | Publication Date |
|---|---|
| CN217649329U true CN217649329U (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221768962.8U Active CN217649329U (en) | 2022-07-07 | 2022-07-07 | Mobile contact net supporting structure with clamping function and mobile contact net |
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| Country | Link |
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| CN (1) | CN217649329U (en) |
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2022
- 2022-07-07 CN CN202221768962.8U patent/CN217649329U/en active Active
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