CN216767243U - A prevent static ladder of boarding for railcar section field - Google Patents
A prevent static ladder of boarding for railcar section field Download PDFInfo
- Publication number
- CN216767243U CN216767243U CN202123026716.3U CN202123026716U CN216767243U CN 216767243 U CN216767243 U CN 216767243U CN 202123026716 U CN202123026716 U CN 202123026716U CN 216767243 U CN216767243 U CN 216767243U
- Authority
- CN
- China
- Prior art keywords
- boarding
- ladder
- boarding ladder
- rods
- top plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Ladders (AREA)
Abstract
The utility model discloses an anti-static boarding ladder for a metro vehicle section field, which belongs to the field of metro vehicle maintenance equipment. The anti-static boarding ladder for the metro vehicle section yard is simple in structure and simple and convenient to set, can realize double-sided boarding of the boarding ladder, improves the operation efficiency, ensures that operators can fully avoid the influence of static electricity during boarding operation by insulating the inclined handrails of the boarding ladder, ensures the safety and reliability of the operation process, avoids damage to corresponding equipment on the vehicle due to the electrostatic action, ensures the smooth operation of the metro vehicle detection operation process, improves the vehicle maintenance efficiency, reduces the operation cost, and has better practical value and application prospect.
Description
Technical Field
The utility model belongs to the field of metro vehicle maintenance equipment, and particularly relates to an anti-static boarding ladder for a metro vehicle yard.
Background
In the operation process of subway rail transit, the parking train inspection warehouse of the subway vehicle section yard usually undertakes the parking and operation management of all trains in the subway project, and also undertakes the technical handing over, inspection and test work of attached trains entering and leaving the warehouse, and the technical handing over work before drivers and passengers leave the warehouse every day. In addition, the system also undertakes the treatment of general temporary faults of the operating train, maintenance work, cleaning and washing of the inside of the attached train, regular disinfection work and the like.
In a train inspection warehouse for parking at a subway train section, a boarding ladder is one of important tools for maintaining and inspecting the train inspection warehouse, is often the only way for operating personnel to enter the train from the ground, and plays an important role in the whole train inspection process.
At present, most commonly used boarding ladders in a subway vehicle section parking train inspection library are single-face fixed ladders, and the application requirements of the boarding ladders can be met to a certain extent. However, the boarding ladder is frequently used frequently, so that the single-side fixed ladder cannot meet the requirements of practical application; and the existing boarding ladder is often fixedly arranged, is difficult to meet flexible use, and has certain application limitation. In addition, because the boarding ladder often sets up near the contact rail in subway rail system, lead to very easily producing static in the use of boarding ladder, bring discomfort and potential safety hazard for the maintainer.
SUMMERY OF THE UTILITY MODEL
Aiming at one or more of the defects or the improvement requirements of the prior art, the utility model provides the anti-static boarding ladder for the metro vehicle section field, which can realize the anti-static use in the parking train inspection warehouse of the metro vehicle section field and improve the application safety and reliability of the boarding ladder.
In order to achieve the above object, the present invention provides an anti-static boarding ladder for a subway vehicle yard, which includes a boarding portion and two climbing ladder portions respectively disposed at both sides of the boarding portion;
the boarding part comprises a top plate, and the setting height of the top plate corresponds to the height of the ground at the position of a train door in the parking train inspection warehouse, so that an operator can enter the train from the top plate;
the bottom of the stair climbing part is supported on the ground, and the top of the stair climbing part is connected with one side of the boarding part and forms a plurality of continuous upward steps; and inclined handrails are respectively arranged above two ends of the step in the length direction, and the inclined handrails are respectively subjected to insulation treatment.
As a further improvement of the utility model, one side of the top plate is provided with an auxiliary plate for compensating a gap between the top plate and the ground at the train door when the boarding ladder is used;
one end of the auxiliary plate is hinged on the top plate, and the auxiliary plate can be placed on the ground at the train door with the other end after rotating relative to the top plate.
As a further improvement of the utility model, the bottom parts of the two climbing ladder parts are provided with supporting parts for supporting the boarding ladder on the ground.
As a further improvement of the present invention, the support portion includes longitudinal bars arranged in pairs and a plurality of cross bars arranged between the longitudinal bars; the longitudinal rods and the transverse rods form a frame type supporting structure in a surrounding mode.
As a further improvement of the utility model, the bottom of the supporting part is provided with a plurality of movable casters with locking pieces, and the movable casters are used for walking and locking the boarding ladder in the parking train inspection warehouse.
As a further improvement of the utility model, the ladder stand part comprises two pairs of inclined rods which are respectively arranged at two ends of the ladder step in the length direction, and a second vertical rod and a bottom support are arranged corresponding to each pair of inclined rods;
the top of each pair of the inclined rods is respectively connected to the corresponding second vertical rods, and the bottom of each pair of the inclined rods is respectively connected to the corresponding bottom support; two inclined rods in each pair of inclined rods are vertically arranged at intervals, and two sides of two ends of the stair along the width direction are respectively connected to the two inclined rods which are vertically arranged at intervals.
As a further improvement of the present invention, the top plate is supported on four second vertical rods, and a plurality of third vertical rods are supported on the top surface of the top plate, so that the top of each of the inclined armrests is connected to the top of the corresponding third vertical rod.
As a further improvement of the utility model, the inclined handrail is supported on the corresponding inclined rod through a plurality of first vertical rods; and/or
The top of the stair climbing part is provided with a transverse blocking piece, one end of the transverse blocking piece is connected to a corresponding third vertical rod, and the other end of the transverse blocking piece is detachably connected to another third vertical rod arranged at a transverse interval.
As a further improvement of the utility model, a transverse handrail is arranged between the tops of the two climbing ladder parts, is horizontally arranged and is respectively connected with the tops of the two inclined handrails at one side of the boarding ladder and is used for protecting one side of the boarding ladder, which is far away from a vehicle, when in use.
As a further improvement of the utility model, the inclined handrail is made of an insulating material; or the periphery of the inclined handrail is coated with an insulating sleeve.
The above-described improved technical features may be combined with each other as long as they do not conflict with each other.
Generally, compared with the prior art, the technical scheme conceived by the utility model has the following beneficial effects:
(1) according to the anti-static boarding ladder for the metro vehicle yard, disclosed by the utility model, through the corresponding arrangement of the two boarding parts on the two sides of the boarding part, an operator can get on and off the metro vehicle from the two sides of the boarding ladder in a double-way manner, the boarding operation efficiency of the operator is greatly improved, and through the insulation treatment of the inclined handrails on the boarding part, the influence of static electricity can be avoided when the operator climbs the metro vehicle through the climbing ladder part, the boarding operation safety of the operator is fully ensured, the damage to relevant equipment on the metro vehicle due to the influence of the static electricity is avoided, and the safe and efficient operation of metro vehicle maintenance is ensured.
(2) According to the anti-static boarding ladder for the metro vehicle depot, the transverse barrier formed by the transverse handrails is arranged on one side of the boarding part, and the detachable barrier structures arranged at the tops of the ladder stand parts are matched, so that when an operator works on the boarding part, the safety of the operation can be fully ensured, the operator is prevented from falling off the boarding ladder, and the safety of the operation process is ensured.
(3) According to the anti-static boarding ladder for the subway vehicle section yard, the supporting parts are arranged at the bottoms of the two boarding parts, and the movable trundles capable of being locked are arranged at the bottoms of the supporting parts, so that the boarding ladder is guaranteed to be reliably supported, meanwhile, the flexible running control of the boarding ladder is realized, and the convenience and the flexibility of the application of the boarding ladder are improved.
(4) The anti-static boarding ladder for the metro vehicle section yard is simple in structure and simple and convenient to set, can realize double-sided boarding of the boarding ladder, improves the operation efficiency, ensures that operators can fully avoid the influence of static electricity during boarding operation by insulating the inclined handrails of the boarding ladder, ensures the safety and reliability of the operation process, avoids damage to corresponding equipment on the vehicle due to the electrostatic action, ensures the smooth operation of the metro vehicle detection operation process, improves the vehicle maintenance efficiency, reduces the operation cost, and has better practical value and application prospect.
Drawings
Fig. 1 is a structural perspective view of an anti-static boarding ladder for a subway vehicle section yard in an embodiment of the present invention;
FIG. 2 is a structural front view of an anti-static boarding ladder for a subway vehicle yard in an embodiment of the present invention;
FIG. 3 is a partial enlarged view of an anti-static boarding ladder for a subway vehicle yard in an embodiment of the present invention;
fig. 4 is a schematic view of an application form of the anti-static boarding ladder in the embodiment of the utility model;
in all the figures, the same reference numerals denote the same features, in particular:
1. a stair climbing section; 2. a boarding part; 3. a support portion; 4. a train; 5. a contact rail;
101. an inclined armrest; 102. an insulating sleeve; 103. a step; 104. a first vertical bar; 105. a second vertical bar; 106. a diagonal bar; 107. a bottom support; 108. obliquely supporting; 201. a top plate; 202. a transverse armrest; 203. a third vertical bar; 301. a longitudinal bar; 302. a cross bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. In addition, the technical features involved in the respective embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Example (b):
referring to fig. 1 to 3, the anti-static boarding ladder for a metro vehicle yard in the preferred embodiment of the present invention includes a boarding portion 2 and two stair portions 1 respectively disposed at both sides of the boarding portion 2, so that when the boarding ladder is used beside a train 4 in a parking train garage, the two stair portions 1 are just respectively disposed at both longitudinal sides of the boarding portion 2, so that an overhaul worker can get on or off the boarding ladder from both sides thereof, thereby improving the efficiency of getting on or off the boarding ladder.
As shown in fig. 1, the ladder climbing part 1 in the preferred embodiment has a top portion connected to one side of the boarding part 2 and a bottom portion supported on the ground, and forms a continuous length of steps 103 between the ground and the boarding part 2, thereby completing the climbing process of the operator.
Specifically, the ladder climbing section 1 in the preferred embodiment includes two pairs of diagonal rods 106 arranged laterally at intervals, and each pair of diagonal rods 106 includes two diagonal rods 106 arranged vertically at intervals for fixing both sides of each step 103 in the width direction. Correspondingly, the second vertical rods 105 are disposed at the ends (tops of the inclined rods 106) of the two corresponding inclined rods 106 close to the boarding portion 2, that is, the second vertical rods 105 in each stair climbing portion 1 are also two arranged at intervals and are respectively used for fixedly connecting the tops of the two pairs of inclined rods 106.
Meanwhile, a bottom support 107 is further provided to the bottom of each pair of diagonal rods 106, so that the bottom of the diagonal rod 106 located above in each pair of diagonal rods 106 is connected to the top of the bottom support 107, and the bottom of the diagonal rod 106 located below is connected to the bottom of the bottom support 107 or to the support 3 provided to the bottom of the stair climbing portion 1.
In the preferred embodiment, the steps 103 are a plurality of inclined rods 106 spaced apart from each other in the extending direction, each step 103 is horizontally disposed, both ends of the length direction thereof are respectively connected to two pairs of inclined rods 106, and both lateral sides of each end thereof are respectively connected to two inclined rods 106 vertically spaced apart from each other, as shown in fig. 1.
Furthermore, a plurality of first vertical rods 104 are arranged on the inclined rod 106 above the inclined rod at intervals, the bottom of each first vertical rod is connected to the inclined rod 106, the top of each first vertical rod extends vertically, and the inclined handrail 101 is connected to the top of each first vertical rod and is used for assisting an operator in climbing a ladder at high time, the safety of the operator in climbing the ladder is guaranteed, and the operator is prevented from falling off from the two transverse sides of the ladder part. Preferably, the diagonal handrail 101 is disposed parallel to the diagonal rod 106, and at least one diagonal brace 108 is disposed diagonally between the diagonal handrail 101 and the diagonal rod 106. The diagonal brace 108 is further preferably parallel to the diagonal handrail 101 and is connected at its two ends to adjacent first vertical bars 104, respectively, as shown in fig. 1.
In more detail, the inclined handrail 101 in the preferred embodiment is an insulating rod made of an insulating material, which is preferably made of a hard rubber material. Or, the inclined handrail 101 in the preferred embodiment is a tubular rod made of metal, and the outer circumference thereof is coated with insulating paint or sleeved with an insulating sleeve 102; the insulating paint in the preferred embodiment is polyurethane paint or polyethylene paint; and the insulating sleeve 102 in the preferred embodiment is preferably a polyethylene hose coaxially sleeved on the outer periphery of the inclined handrail 101. Further, in order to reduce slippage when the worker touches the insulating sheath 102, the outer periphery of the insulating sheath 102 is preferably frosted or provided with anti-slip grooves.
It can be understood that, in order to further improve the insulation effect, on the basis of ensuring the strength, the rod pieces on the boarding ladder may be replaced with insulation rods respectively or the outer peripheries of the rod pieces are respectively covered with insulation sleeves 102; or, the insulation treatment is carried out on one side of the boarding ladder close to the vehicle, so that all parts close to the contact rail 5 are ensured to be insulation parts.
Further, the boarding portion 2 in the preferred embodiment is disposed on the top of the two stair climbing portions 1, and includes a top plate 201 supported on the top of each second vertical rod 105, and the number of the second vertical rods 105 in the preferred embodiment is four, and the four corners of the top plate 201 are just supported. Correspondingly, the four corners of the top plate 201 are vertically provided with third vertical bars 203, the bottom parts of the third vertical bars are fixed on the top plate 201, and the top parts of the third vertical bars are respectively connected with the end parts of the inclined handrails 101 at the corresponding positions, as shown in fig. 1. In addition, be provided with horizontal handrail 202 in one side of portion of ascending a car 2, its level sets up, and the top of two climbing portion 1 one sides is connected respectively at both ends for when the climbing ladder was used in train 4 one side, portion of ascending a car 2 deviates from vehicle one side and can form the fender that encloses by horizontal handrail 202, two third montants 203 and constitute, avoids the operating personnel to fall from portion of ascending a car 2 one side.
Preferably, a plurality of transverse supports and vertical supports are arranged below the transverse handrail 202 to form a barrier plane formed by a plurality of rod pieces, so that the safety of the boarding part 2 in use is fully ensured. In addition, in the preferred embodiment, a detachable cross stop (not shown) is provided between the two third vertical bars 203 corresponding to the same climbing part 1, one end of the cross stop is fixed on the top of one third vertical bar 203 which is arranged at intervals in the transverse direction (the transverse direction is the direction of the boarding ladder when used beside the train 4), and the other end of the cross stop is detachably connected on the top of the other third vertical bar 203 which is arranged at intervals in the transverse direction, so that the operator on the boarding part 2 can be prevented from rolling off the climbing part 1.
Further preferably, as shown in fig. 4, it can be seen that, in actual use, the boarding portion 2 and the train 4 have a certain lateral distance therebetween, and a certain lateral gap exists therebetween, which may cause injury to a foot-on-empty when an operator waits for a train. Therefore, in an embodiment, an auxiliary board (not shown) is hinged on one side of the top board 201 close to the train 4, and can be folded and attached to the top surface of the top board 201 when not in use and rotatably placed on the ground at the door opening position of the train 4 when in use, so as to compensate the gap between the boarding ladder and the train 4 and fully ensure the safety of the boarding ladder in use. Meanwhile, after the operator finishes boarding, the auxiliary plate can be turned over from the inside of the train to recover, so that the auxiliary plate is prevented from invading the limit in the running process of the train 4; of course, the auxiliary plate may be automatically restored, or may be restored by an operator after getting off the vehicle.
Further, the bottom of the two stair climbing portions 1 is provided with a supporting portion 3, which comprises longitudinal rods 301 arranged in pairs and a plurality of cross rods 302 arranged between the two longitudinal rods 301, and the two longitudinal rods are enclosed into a frame structure as shown in fig. 1, so that the second vertical rod 105, the bottom support 107 and other rod pieces are connected to the frame structure in a supporting manner, the contact area between the boarding ladder and the ground is increased, and the stability and the safety of the whole structure are guaranteed.
In addition, in another preferred embodiment, movable casters are arranged at the bottom of the supporting portion 3, and locking members are arranged corresponding to the movable casters, so that the boarding ladder can be driven by the movable casters to move horizontally, and can be reliably parked at one side of the corresponding position of the train 4 after the locking members are locked, and the flexibility and reliability of the application of the boarding ladder are ensured.
The anti-static boarding ladder for the metro vehicle section yard has the advantages of simple structure and simple and convenient arrangement, can realize double-sided boarding of the boarding ladder, improves the operation efficiency, ensures that operators can fully avoid the influence of static electricity when performing boarding operation by insulating the inclined handrails of the boarding ladder, ensures the safety and reliability of the operation process, avoids the damage to corresponding equipment on the vehicle due to the electrostatic action, ensures the smooth operation of the metro vehicle detection operation process, improves the vehicle maintenance efficiency, reduces the operation cost, and has better practical value and application prospect.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An anti-static boarding ladder for a subway vehicle section yard is characterized by comprising a boarding part and two climbing ladder parts which are respectively arranged at two sides of the boarding part;
the boarding part comprises a top plate, and the setting height of the top plate corresponds to the height of the ground at the position of a train door in the parking train inspection warehouse, so that an operator can enter the train from the top plate;
the bottom of the stair climbing part is supported on the ground, and the top of the stair climbing part is connected with one side of the boarding part and forms a plurality of continuous upward steps; and inclined handrails are respectively arranged above two ends of the step in the length direction, and the inclined handrails are respectively subjected to insulation treatment.
2. The antistatic boarding ladder for a metro vehicle yard according to claim 1, wherein an auxiliary plate is provided at one side of the top plate for compensating a gap between the top plate and the ground at the train door when the boarding ladder is in use;
one end of the auxiliary plate is hinged on the top plate, and the auxiliary plate can be placed on the ground at the train door with the other end after rotating relative to the top plate.
3. The antistatic boarding ladder for a metro vehicle yard according to claim 1, wherein a support portion is provided at the bottom of both of the stair portions for support of the boarding ladder on the ground.
4. The antistatic boarding ladder for a metro vehicle yard of claim 3, wherein the support portion comprises longitudinal bars arranged in pairs and a plurality of cross bars arranged between the two longitudinal bars; the longitudinal rods and the transverse rods form a frame type supporting structure in a surrounding mode.
5. The antistatic boarding ladder for a metro vehicle yard according to claim 3, wherein the bottom of the supporting portion is provided with a plurality of movable casters with locking members for running and locking of the boarding ladder in the parking train inspection garage.
6. The antistatic boarding ladder for a metro vehicle yard according to claim 1, wherein the stair portion comprises two pairs of diagonal rods which are respectively arranged at both ends in the length direction of the stairs, and a second vertical rod and a bottom support are arranged corresponding to each pair of diagonal rods;
the top of each pair of the inclined rods is respectively connected to the corresponding second vertical rods, and the bottom of each pair of the inclined rods is respectively connected to the corresponding bottom support; two inclined rods in each pair of inclined rods are vertically arranged at intervals, and two sides of two ends of the stair along the width direction are respectively connected to the two inclined rods which are vertically arranged at intervals.
7. The antistatic boarding ladder for a metro vehicle yard of claim 6, wherein the top plate is supported on four of the second vertical rods, a plurality of third vertical rods being supported on the top surface of the top plate, such that the top of each of the inclined rails is connected to the top of the corresponding third vertical rod.
8. The antistatic boarding ladder for a metro vehicle yard of claim 7, wherein the inclined handrails are supported on the corresponding inclined bars by a number of first vertical bars;
and/or
The top of the stair climbing part is provided with a transverse blocking piece, one end of the transverse blocking piece is connected to a corresponding third vertical rod, and the other end of the transverse blocking piece is detachably connected to another third vertical rod arranged at a transverse interval.
9. An antistatic boarding ladder for a metro vehicle yard according to any one of claims 1 to 8, wherein a transverse handrail is arranged between the tops of the two ladder sections, is horizontally arranged, and is respectively connected with the tops of the two inclined handrails at one side of the boarding ladder for protection of the side of the boarding ladder facing away from the vehicle when in use.
10. The antistatic boarding ladder for a metro vehicle yard according to any one of claims 1 to 8, wherein the inclined handrails are made of an insulating material; or the periphery of the inclined handrail is coated with an insulating sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123026716.3U CN216767243U (en) | 2021-12-03 | 2021-12-03 | A prevent static ladder of boarding for railcar section field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123026716.3U CN216767243U (en) | 2021-12-03 | 2021-12-03 | A prevent static ladder of boarding for railcar section field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216767243U true CN216767243U (en) | 2022-06-17 |
Family
ID=81964264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123026716.3U Active CN216767243U (en) | 2021-12-03 | 2021-12-03 | A prevent static ladder of boarding for railcar section field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216767243U (en) |
-
2021
- 2021-12-03 CN CN202123026716.3U patent/CN216767243U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210025181A1 (en) | Enhanced safety cage apparatus for work areas on top of rolling stock such as rail tank cars | |
| KR101673941B1 (en) | mobile roof working platform apparatus capable of driving individually | |
| CN104499742A (en) | Fixed maintenance platform with safety protector | |
| JP2017106191A (en) | Temporary stairs | |
| CN216767243U (en) | A prevent static ladder of boarding for railcar section field | |
| KR101177419B1 (en) | Escaping apparatus with rail vehicle and method for fixing the same in rail vehicle | |
| KR101473245B1 (en) | Insulated ladder carriage for rail | |
| CN111071295A (en) | Bogie maintenance operation platform of straddle type monorail train | |
| KR200441074Y1 (en) | Lift truck for maintanance of train | |
| CN103015881B (en) | Tooling ladder | |
| CN202805171U (en) | Railway vehicle assembly examining and repairing workshop elevated platform tool | |
| JP4803907B2 (en) | Mobile assembly scaffold | |
| CN215097598U (en) | Fixed maintenance work platform suitable for suspension type monorail train | |
| CN212562399U (en) | Foldable maintenance platform | |
| CN204357165U (en) | With the fixing inspection platform of safety device | |
| CN210680697U (en) | Contact net lifting electric ladder vehicle | |
| CN211468473U (en) | Efficient transport vehicle for pier-type fences | |
| CN211548686U (en) | Mobile trolley for subway tunnel | |
| KR20130109625A (en) | Wheel erect device for bogie | |
| JP3243404U (en) | Inspection and repair workbench used for railway vehicles | |
| CN217107022U (en) | Movable light detection rack | |
| CN214615709U (en) | Frame maintenance platform | |
| CN218235022U (en) | Mounting platform of passenger train overhead air conditioner | |
| CN221068074U (en) | Safety protective guard for passenger train | |
| KR101683403B1 (en) | Cable inspection available rail road emergency exit route |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |