CN216892022U - Bridge anti-collision guardrail moving trolley - Google Patents
Bridge anti-collision guardrail moving trolley Download PDFInfo
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- CN216892022U CN216892022U CN202220052418.7U CN202220052418U CN216892022U CN 216892022 U CN216892022 U CN 216892022U CN 202220052418 U CN202220052418 U CN 202220052418U CN 216892022 U CN216892022 U CN 216892022U
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Abstract
The application relates to the technical field of bridge railing construction, the bridge anticollision barrier mobile trolley that this application provided includes: the device comprises a walking vehicle, an auxiliary supporting device, a telescopic device, a lifting guide rail device and a hanging basket; the travelling vehicle is used for being arranged in a bridge pavement area corresponding to the bridge anti-collision guardrail during construction; the telescopic device comprises a telescopic arm, and the telescopic arm support is arranged at the top of the walking vehicle and is arranged in a sliding manner with the walking vehicle so as to adjust the distance between the telescopic arm support and the bridge anti-collision guardrail; the lifting guide rail device comprises a lifting guide rail, and the lifting guide rail is positioned at the tail end of the telescopic arm and is vertically arranged on the outer side of the bridge anti-collision guardrail in a lifting way; the hanging basket is arranged at the tail end of the lifting guide rail; the auxiliary supporting device and the walking vehicle are supported on the same bridge pavement and comprise a first auxiliary supporting wheel and a second auxiliary supporting wheel which are positioned on two sides of the hanging basket. The scheme that this application provided can improve the efficiency of construction, reduces construction safety risk.
Description
Technical Field
The application relates to the technical field of bridge guardrail construction, particularly, this application relates to a bridge anticollision barrier mobile trolley.
Background
The anti-collision guardrails of the overpass bridge with busy traffic, in particular to the overpass bridge, are positioned at two sides of the bridge and are formed by pouring reinforced concrete, and are important components of the bridge. Not only provides safety guarantee for the travelling crane and the pedestrian, but also makes the bridge more beautiful. When a bridge or bridge facilities such as electric wires, water pipes and the like are maintained, the existing construction method needs to install the outer template of the anti-collision outer wall template of the bridge on the high-altitude face on the outermost side. However, the installation and the removal of the outer template of the anti-collision wall are the most difficult for constructors to operate in guardrail construction, and the problem of high overhead face construction safety risk is high.
At present, for the construction operation of the bridge anti-collision guardrail, the adopted operation devices are roughly as follows:
(1) the hanging plate, the suspension cage or the scaffold pipe and the fastener are used as a suspension support, constructors stand on the suspension tools for operation, however, the overpass guardrail is positioned right above a social road, social vehicles pass below the overpass guardrail, the traffic flow is large, and road sealing construction cannot be carried out. Welding spark splashes during guardrail steel bar construction, and debris are torn open in the template ann and drop, and grout that the guardrail was pour drops etc. and causes very big influence to the current vehicle in below, and guardrail platform truck operation platform's lifing arm receives the guardrail influence, and operation platform can not stretch into the below and play the pocket bottom effect.
(2) The construction operation platform is far away from and close to the guardrail and is completed through the walking vehicle. Because the walking vehicle is heavier, when a working area needs to be transferred, the operation is inconvenient, and the workload of the adjustment operation of constructors is increased.
(3) The guardrail trolley is mainly only of a combined structure of the template pull rod and the bolt, is single in use function, and cannot stretch into the lower portion of the guardrail to perform functions of guardrail decoration, beam lower drain pipe installation and the like.
In current operation device, utilize the platform truck or the portal frame that are located the bridge road surface region that bridge anticollision barrier corresponds to extend the instrument of hanging to bridge anticollision barrier department for the constructor is under construction to bridge anticollision barrier. However, in the process of construction, because the construction area needs to be adjusted constantly, the support of the trolley or the gantry for the suspension tool is easy to lose balance due to the transformation of the construction area in the process of construction, and certain safety risk is caused to the construction area and constructors.
SUMMERY OF THE UTILITY MODEL
In order to solve when the regional construction of bridge anticollision barrier, hang the technical problem that the instrument operation is inconvenient and the security is low, this application provides a bridge anticollision barrier mobile trolley.
The application provides a bridge anticollision barrier mobile trolley includes:
the device comprises a walking vehicle, an auxiliary supporting device, a telescopic device, a lifting guide rail device and a hanging basket;
the travelling vehicle is used for being arranged in a bridge pavement area corresponding to the bridge anti-collision guardrail during construction;
the telescopic device comprises a telescopic arm, and the telescopic arm support is arranged at the top of the walking vehicle and is arranged in a sliding manner with the walking vehicle so as to adjust the distance between the telescopic arm support and the bridge anti-collision guardrail;
the lifting guide rail device comprises a lifting guide rail, and the lifting guide rail is positioned at the tail end of the telescopic arm and is vertically arranged on the outer side of the bridge anti-collision guardrail in a lifting way;
the hanging basket is arranged at the tail end of the lifting guide rail;
the auxiliary supporting device and the walking vehicle are supported on the same bridge pavement and comprise a first auxiliary supporting wheel and a second auxiliary supporting wheel which are positioned on two sides of the hanging basket.
In an optional embodiment, the first auxiliary supporting wheel is arranged below the telescopic arm and extends to the road surface of the bridge through an auxiliary supporting rod.
In an alternative embodiment, the second auxiliary support wheel is connected to the gondola by a connecting rod, and the connecting rod is arranged opposite to the lifting rail.
In an alternative embodiment, the connecting rod is inverted U-shaped and telescopically extends the second auxiliary support wheel onto the bridge pavement.
In an alternative embodiment, the number of the second auxiliary supporting wheels is at least three, and the second auxiliary supporting wheels are arranged on the same supporting plate, and auxiliary balancing weights are arranged on the supporting plate.
In an optional embodiment, a counterweight is arranged on the walking vehicle.
In an optional embodiment, the telescopic device further comprises a first driving device and a first driving chain in driving connection with the first driving device; the top of the walking vehicle is provided with a guide frame;
the first driving device is installed on the guide frame, the first driving chain is installed on the telescopic arm, and the telescopic arm and the guide frame are sleeved with each other;
the first driving device drives the first driving chain to slide relatively through a chain wheel arranged on a driving shaft, so that the telescopic arms move mutually in the guide frame along the sliding direction of the first driving chain.
In an optional embodiment, the lifting guide rail device further comprises a second driving device, a second driving chain in driving connection with the second driving device, and a pulley block arranged on the lifting guide rail;
the second driving device is arranged on the telescopic arm, and the second driving chain is connected between the second driving device and the lifting guide rail in a sliding manner;
the second driving chain is in driving connection with the pulley block, and the second driving device drives the second driving chain to pull the lifting guide rail to move along the arrangement direction of the pulley block.
In an optional embodiment, the lifting guide rail device further comprises a guide groove and a second guide wheel which are arranged on two sides of the lifting guide rail, and the guide groove is used for installing the lifting guide rail which is in guide connection with the guide groove on the outer side of the bridge anti-collision guardrail when in use.
In an alternative embodiment, the lifting rail is provided with a flange at its end, by means of which flange the gondola is mounted at the end of the lifting rail.
The application provides a bridge anticollision barrier mobile trolley, its beneficial effect is:
firstly, a walking vehicle and an auxiliary supporting device in a bridge pavement area, a telescopic device stretching between the bridge pavement area and an anti-collision guardrail and a lifting guide rail device which is perpendicular to the bridge pavement area and the telescopic arm of the telescopic device and is positioned outside the anti-collision guardrail are combined, so that a constructor can adjust a specific construction area in a construction area outside the anti-collision guardrail from a three-dimensional direction, and the construction efficiency is improved;
secondly, the supporting effect on the hanging basket is improved and the stability of the bridge anti-collision guardrail moving trolley is ensured by the common support of the walking vehicle and the auxiliary supporting device on the bridge pavement area;
and thirdly, based on the hanging basket fixed at the tail end of the lifting guide rail, the falling of the construction materials can be used for achieving the bottom pocket effect, and the driving safety of the road surface below the construction area is guaranteed.
Additional aspects and advantages of the application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice.
Drawings
The above and/or additional aspects and advantages will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic perspective view of a bridge crash barrier mobile trolley according to an embodiment of the present application;
FIG. 2 is a schematic plan view of the bridge crash barrier travel carriage of FIG. 1 in the direction of travel of the bridge pavement;
fig. 3 is a schematic plan view of the bridge crash barrier travel carriage of fig. 1, taken perpendicular to the roadway of the bridge.
Detailed Description
The present application is further described with reference to the following drawings and exemplary embodiments, wherein like reference numerals are used to refer to like elements throughout. In addition, if a detailed description of the known art is not necessary to show the features of the present application, it is omitted.
Based on the above problem, this application provides a bridge anticollision barrier mobile trolley.
Referring to fig. 1-3, the bridge crash barrier mobile trolley provided in the embodiment of the present application comprises: a walking vehicle 10, a telescoping device 20, a lifting rail device 30 and a basket 40.
Referring to fig. 2-3, the solid line portion in fig. 2-3 is a line of the mobile trolley for the bridge crash barrier, and the dashed line portion is a cross section of the bridge pavement corresponding to the outside area of the bridge crash barrier.
In this embodiment, the construction area is an outside area of the bridge crash barrier, and the traveling vehicle 10 moves to a road surface of the bridge corresponding to the outside area of the bridge crash barrier in a use state. The traveling vehicle 10 is used for moving and supporting the whole movable trolley for the bridge anti-collision guardrail on the bridge pavement corresponding to the outer side area of the bridge anti-collision guardrail when in use, so that the hanging basket 40 is moved to the construction area corresponding to the outer side of the bridge anti-collision guardrail, and a constructor can reach the construction area to perform construction operation. And, through removing this carriage 10, conveniently adjust the horizontal position of whole bridge anticollision barrier moving trolley in the construction area in the outside of bridge anticollision barrier.
The telescopic device 20 is located above the walking vehicle 10. The telescopic device 20 comprises a telescopic arm 21, and the telescopic arm 21 can slide on the walking vehicle 10 perpendicular to the crash barrier to be close to or far away from the construction area of the bridge crash barrier.
The lifting rail device 30 is located at the end of the telescopic arm 21 on the opposite side to the traveling vehicle 10. The lifting rail device 30 includes a lifting rail 31, and the lifting rail 31 can be lifted and lowered perpendicular to the crash barrier. And the hanging basket 40 is arranged at the end of the lifting guide rail 31, and the hanging basket 40 moves along with the lifting of the lifting guide rail 31 so as to adjust the height position of the hanging basket 40 in the construction area outside the bridge crash barrier.
In this application, combine the travelling car 10 that can remove on the road surface with lifting rail device 30 adjusts hanging flower basket 40 respectively in the horizontal position and the high position of the construction zone in the outside of bridge anti-collision guardrail to satisfy constructor simple nimble realization construction position control of construction zone.
Referring to fig. 1-3, the bridge crash barrier mobile trolley further comprises: an auxiliary support device 50, the auxiliary support device 50 being supported on the road surface of the bridge on which the traveling vehicle 10 is placed in the above-described embodiment, similarly to the traveling vehicle 10. The auxiliary support means 50 serves to increase the support of the telescopic means 20, the lifting rail arrangement 30 and the gondola 40.
The auxiliary support device 50 in the above embodiment includes first and second auxiliary support wheels 51 and 52 on both sides of the gondola 40. As shown in fig. 1, the first auxiliary support wheel 51 is disposed under the telescopic arm 21 and closer to the gondola 40 than the traveling vehicle 10, so as to increase the support point for the telescopic arm 21, improve the stability of the telescopic arm 21 in the telescopic motion, and ensure the safety of the entire bridge crash barrier traveling carriage.
The first auxiliary support wheel 51 is connected to an auxiliary support bar 53, the auxiliary support bar 53 being below a cross beam of the telescopic arm 21. The first auxiliary support wheel 51 extends to the road surface of the bridge through an auxiliary support rod 53.
When the telescopic boom 21 moves, the telescopic first auxiliary support wheel 51 can be supported on the road surface of the bridge, and can support the suspended part of the moving telescopic boom 21.
Or, the telescopic frame 54 is installed on the first auxiliary supporting wheel 51, when the telescopic boom 21 is in a moving state, the first auxiliary supporting wheel 51 is in a suspended state under the control of the telescopic frame 54, so as to avoid the ground from transmitting resistance to the telescopic boom 21 through the first auxiliary supporting wheel 51, increase instability of the telescopic boom 21 in moving, and when the telescopic boom 21 stops moving and the telescopic boom 21 is confirmed to be adjusted completely, the first auxiliary supporting wheel 51 below is lowered onto the road surface of the bridge through adjusting the telescopic frame 54, so as to support the suspended part of the telescopic boom 21. In this embodiment, the lowering or suspension state change of the first auxiliary support wheel 51 through the telescopic frame 54 can be adjusted manually, and the change of the current state signal of the mobile trolley of the anti-collision guardrail of the bridge can be detected, and a corresponding control instruction is issued to the telescopic frame 54, so as to adjust the height of the first auxiliary support wheel 51.
The second auxiliary support wheels 52 are connected to the basket 40 by connecting rods 55 fixed to the basket 40, and the connecting rods 55 and the lifting rails 31 are installed at both sides of the basket 40, respectively. The second auxiliary support wheel 52 extends to the road surface of the bridge via a connecting rod 55. The positions where the second auxiliary supporting wheels 52 and the first auxiliary supporting wheels 51 are projected on the gondola 40 are respectively located at both sides of the gondola 40. Referring to fig. 2, in the present embodiment, the auxiliary support rods 53 connected to the first auxiliary support wheels 51 and the connection rods 55 connected to the second auxiliary support wheels 52 are substantially equidistant from the gondola 40, so that the entire bridge crash barrier traveling carriage can be supported symmetrically from both sides.
Further, the connecting rod 55 is of an inverted U shape and is turned over on the basket 40 and the bridge pavement. In the embodiment, the connecting rod 55 is telescopically arranged, referring to fig. 1, two sides of the connecting rod 55 are composed of two sub-connecting rods 56 which are nested with each other, and a plurality of fixing buckles 57 and fixing holes 58 are further arranged on the two sub-connecting rods 56 which are nested with each other, and the length of the connecting rod 55 is adjusted, so that the supporting surface of the second auxiliary supporting wheel 52 can be adjusted according to different heights of the bridge pavement.
Further, in the present embodiment, the number of the second auxiliary support wheels 52 is at least three, and all of the second auxiliary support wheels 52 are mounted on the same support plate 59, and when all of the second auxiliary support wheels 52 are supported on the bridge pavement, the support plate 59 is substantially parallel to the bridge pavement. The support plate 59 is provided with a weight (not shown) to increase the support of the basket 40.
Based on the above embodiment, the walking vehicle 10 provided by the present application includes the frame 11, and the wheels 12 located below the frame 11, in this embodiment, the wheels 12 are respectively disposed at four feet of the vehicle body, and the number of the wheels 12 is four. The number of the wheels 12 can be adjusted according to the road condition of the road surface area of the bridge or the shape and stress condition of the frame 11. A mounting plate is provided at the bottom of the frame 11 above the wheels 12. A movement driving device of the traveling vehicle 10 may be provided on the mounting plate so that a constructor can drive and adjust the position of the traveling vehicle 10. The movement driving device includes a driving disk 13 and a driving connection structure (not shown) connecting the driving disk 13 and the rotation shaft of the wheel 12. Referring to fig. 1 to 3, the driving disc 13 is vertically disposed on the ground and located on one side of the traveling vehicle 10 away from the anti-collision guardrail of the bridge, so as to avoid and occupy the positions of other structures disposed on the traveling vehicle 10, and to enable the constructors who movably drive the traveling vehicle 10 to keep away from the construction area and other operation areas of the mobile trolley of the anti-collision guardrail of the bridge, thereby reducing the potential safety hazard to the constructors due to the equipment problem of the mobile trolley of the anti-collision guardrail of the bridge, and enabling the constructors who movably drive the traveling vehicle 10 to have a larger activity space, thereby facilitating the position adjustment operation of the traveling vehicle 10.
Preferably, a counterweight 14 is provided on the mounting plate of the traveling vehicle 10 to balance the force of the gondola 40 against the traveling vehicle 10.
Based on the structure of the bridge anti-collision guardrail moving trolley, the top of the walking trolley 10 is provided with the guide frame 15, and the telescopic arm 21 and the guide frame 15 are sleeved with each other. In this embodiment, the guide frame 15 is a rectangular box frame, the telescopic arm 21 is an elongated box frame, and the cross-sectional areas of the telescopic arm 21 and the guide frame 15 in the extending direction of the telescopic arm 21 are small, so that the telescopic arm 21 is sleeved in the guide frame 15 and can slide relative to the guide frame 15 in the extending direction of the telescopic arm 21.
The telescopic device 20 further comprises a first drive means 22 and a first drive chain 23 drivingly connected thereto. In this embodiment, the first driving device 22 may be a speed reducer, and is mounted on the top cross member of the frame 11 in the space of the guide frame 15. Which is perpendicular to the direction of movement of the telescopic arm 21. A first drive chain 23 drivingly connected to the first drive device 22 is fixed to the telescopic arm 21. In this embodiment, the driving gear of the first driving device 22 is a sprocket, and the first driving chain 23 is a linear transmission chain engaged with the driving gear of the first driving device 22 and installed at the bottom of the telescopic arm 21. The first drive chain 23 is fixed to the rear half of the telescopic arm 21. The specific length of the first driving chain 23 and the fixing positions of both ends may be determined according to the extending length of the telescopic arm 21. In this embodiment, the first driving chain 23 is fixed at one end to the end of the telescopic arm 21, and has a length of about 1/3 times the total length of the telescopic arm 21.
In addition, the first guide wheel 16 is provided between the traveling vehicle 10 and the telescopic arm 21. More specifically, the first guide wheel 16 is located between a roof side rail (i.e., a beam section provided along the telescopic direction of the telescopic arm 21) of the traveling vehicle 10 and a bracket of the telescopic arm 21 along the telescopic direction. In the present embodiment, referring to fig. 1-2, a plurality of first guide wheels 16 are mounted on the top side rails on both sides of the traveling vehicle 10 to constitute a sliding support rail for a telescopic arm 21, and the telescopic arm 21 slides on the first guide wheels 16 under the engagement driving of a first driving device 22 and a first driving chain 23.
A lifting rail device 30 is installed at the front half of the telescopic arm 21. The lifting rail device 30 includes a lifting rail 31 located at the front end of the telescopic arm 21, and further includes a second driving device 32 and a second driving chain 33 drivingly connected thereto. The second driving device 32 is attached to the telescopic arm 21 closer to the elevation rail 31 than the position where the first driving device 22 is attached, and the second driving chain 33 connects the second driving device 32 and the elevation rail 31, and the elevation of the elevation rail 31 is controlled by the second driving device 32 by driving the second driving chain 33.
In this embodiment, the second driving device 32 is a winch, a pulley is disposed on the lifting rail 31, the second driving chain 33 is a belt, and is in transmission connection with a driving wheel of the second driving device 32 and the movable pulley 34, respectively, and the pulley disposed on the lifting rail 31 is pulled by the second driving chain 33 under the driving of the second driving device 32, thereby realizing the lifting control of the lifting rail 31.
The lifting guide rail device 30 further comprises a fixed pulley 35 disposed at the front end of the telescopic arm 21, and a connecting line between the fixed pulley 35 and the movable pulley 34 is perpendicular to the telescopic arm 21. In the present embodiment, the second driving device 32, the fixed pulley 35, and the movable pulley 34 are connected at a right angle with the fixed pulley 35 as a corner.
The lifting guide rail device 30 further comprises a guide groove and a second guide wheel 37 arranged in the guide groove. In this embodiment, this guide way is two guide ways, and two unilateral guide ways distribute in the both sides of lifting guide rail 31, and direct mount is at telescopic boom 21's end for lifting guide rail 31 can laminate telescopic boom 21's front end and slide from top to bottom, makes bridge anticollision barrier mobile trolley's structure more compact, guarantees that equipment can smoothly function. The double guide grooves can be integrally formed to form a double guide bracket.
Further, this guide way can be fixed in the outside of anticollision barrier, with riser guide 31 vertical fixation in the anticollision barrier outside, and here can regard as whole bridge anticollision barrier mobile trolley at the fixed point of anticollision barrier to promote the stability of bridge anticollision barrier mobile trolley.
In addition, the guide groove can be used for fixing the whole bridge anti-collision guardrail moving trolley on the outer side of the bridge anti-collision guardrail when in use, so that the construction personnel can realize longitudinal sliding on the hanging basket 40 through the guide groove and can also fix the working area of the hanging basket, and the construction safety of the personnel is ensured.
Be equipped with safety barrier 42 around bottom plate 41 to guarantee the personal safety of constructor when the construction on hanging flower basket 40, and, have the separation effect to the construction material on hanging flower basket 40, prevent falling of construction material, play the effect at the bottom of the pocket to personnel and material.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the disclosure. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. The utility model provides a bridge anticollision barrier mobile trolley which characterized in that includes:
the device comprises a walking vehicle, an auxiliary supporting device, a telescopic device, a lifting guide rail device and a hanging basket;
the travelling vehicle is used for being arranged in a bridge pavement area corresponding to the bridge anti-collision guardrail during construction;
the telescopic device comprises a telescopic arm, and the telescopic arm support is arranged at the top of the walking vehicle and is arranged in a sliding manner with the walking vehicle so as to adjust the distance between the telescopic arm support and the bridge anti-collision guardrail;
the lifting guide rail device comprises a lifting guide rail, and the lifting guide rail is positioned at the tail end of the telescopic arm and is vertically arranged on the outer side of the bridge anti-collision guardrail in a lifting way;
the hanging basket is arranged at the tail end of the lifting guide rail;
the auxiliary supporting device and the walking vehicle are supported on the same bridge pavement and comprise a first auxiliary supporting wheel and a second auxiliary supporting wheel which are positioned on two sides of the hanging basket.
2. The bridge crash barrier travel trolley of claim 1,
the first auxiliary supporting wheel is arranged below the telescopic arm and extends to the bridge pavement through the auxiliary supporting rod.
3. The bridge crash barrier mobile trolley of claim 2,
the second auxiliary supporting wheel is connected to the hanging basket through a connecting rod, and the connecting rod and the lifting guide rail are arranged oppositely.
4. The bridge crash barrier travel trolley of claim 3,
the connecting rod is of an inverted U shape, and the second auxiliary supporting wheels can be telescopically extended to the road surface of the bridge.
5. The bridge crash barrier mobile trolley of claim 4,
the number of the second auxiliary supporting wheels is at least three, the second auxiliary supporting wheels are arranged on the same supporting plate, and auxiliary balancing weights are arranged on the supporting plate.
6. The bridge crash barrier mobile trolley of claim 4,
the walking vehicle is provided with a balancing weight.
7. The bridge crash barrier travel trolley of claim 1,
the telescopic device also comprises a first driving device and a first driving chain which is in driving connection with the first driving device; the top of the walking vehicle is provided with a guide frame;
the first driving device is installed on the guide frame, the first driving chain is installed on the telescopic arm, and the telescopic arm and the guide frame are sleeved with each other;
the first driving device drives the first driving chain to slide relatively through a chain wheel arranged on a driving shaft, so that the telescopic arms move mutually in the guide frame along the sliding direction of the first driving chain.
8. The bridge crash barrier travel trolley of claim 1,
the lifting guide rail device also comprises a second driving device, a second driving chain in driving connection with the second driving device and a pulley block arranged on the lifting guide rail;
the second driving device is arranged on the telescopic arm, and the second driving chain is connected between the second driving device and the lifting guide rail in a sliding manner;
the second driving chain is in driving connection with the pulley block, and the second driving device drives the second driving chain to pull the lifting guide rail to move along the arrangement direction of the pulley block.
9. The bridge crash barrier mobile trolley of claim 8,
the lifting guide rail device further comprises guide grooves and second guide wheels, wherein the guide grooves and the second guide wheels are arranged on two sides of the lifting guide rail, and the guide grooves are used for being connected with the lifting guide rail in a guiding mode when in use and are arranged on the outer side of the bridge anti-collision guardrail.
10. The bridge crash barrier travel trolley of claim 1,
the tail end of the lifting guide rail is provided with a flange, and the hanging basket is installed at the tail end of the lifting guide rail through the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220052418.7U CN216892022U (en) | 2022-01-10 | 2022-01-10 | Bridge anti-collision guardrail moving trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220052418.7U CN216892022U (en) | 2022-01-10 | 2022-01-10 | Bridge anti-collision guardrail moving trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216892022U true CN216892022U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220052418.7U Active CN216892022U (en) | 2022-01-10 | 2022-01-10 | Bridge anti-collision guardrail moving trolley |
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| Country | Link |
|---|---|
| CN (1) | CN216892022U (en) |
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- 2022-01-10 CN CN202220052418.7U patent/CN216892022U/en active Active
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