CN111114394A - Auxiliary platform and contact net overhaul operation vehicle - Google Patents
Auxiliary platform and contact net overhaul operation vehicle Download PDFInfo
- Publication number
- CN111114394A CN111114394A CN201911398355.XA CN201911398355A CN111114394A CN 111114394 A CN111114394 A CN 111114394A CN 201911398355 A CN201911398355 A CN 201911398355A CN 111114394 A CN111114394 A CN 111114394A
- Authority
- CN
- China
- Prior art keywords
- platform
- base
- rack
- overhaul
- auxiliary
- 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.)
- Pending
Links
- 238000012423 maintenance Methods 0.000 claims abstract description 33
- 241000282326 Felis catus Species 0.000 abstract description 9
- 230000003028 elevating effect Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000009193 crawling Effects 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/28—Manufacturing or repairing trolley lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
- B61D15/08—Railway inspection trolleys
- B61D15/12—Railway inspection trolleys power propelled
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Manufacturing & Machinery (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The application discloses auxiliary platform and contact net overhaul work car, wherein, auxiliary platform includes: the rail is used for being arranged on the top surface of the overhaul operating platform along the longitudinal direction of the overhaul operating platform; the lifting platform is movably matched with the rail and can lift. When carrying out the maintenance operation, the staff directly moves the elevating platform on the maintenance work platform to the maintenance position after on the track, stands and overhauls on the elevating platform, compares in current with the contact net overhaul the splayed cat ladder in the operation car move to the maintenance work platform on, and the staff stands and overhauls the operation on the splayed cat ladder, and in the contact net overhaul the operation car again, the auxiliary platform in this application has made things convenient for the maintenance operation of contact net.
Description
Technical Field
The invention relates to the technical field of power grid maintenance equipment, in particular to an auxiliary platform. The invention also relates to a contact net overhauling operation vehicle comprising the auxiliary platform.
Background
At present, in the maintenance of the contact network equipment of the electrified railway, a plurality of contact network maintenance operation vehicles are mostly connected for maintenance operation, the top of each contact network maintenance operation vehicle is a maintenance operation platform for the movement of workers, and the platform can be lifted. The existing contact network overhauling operation vehicle can completely meet the use requirement when the contact network is in first-aid repair and daily maintenance, but for some contact networks, one section of contact network overhauling operation platform is short of overhauling after rising. The general way is to move the splayed cat ladder in the contact net overhaul operation car to the overhaul operation platform, and the staff stands on the splayed cat ladder to overhaul the operation, and after the overhaul operation is completed, still need to move the splayed cat ladder down, so the operation is comparatively troublesome.
In conclusion, how to facilitate the maintenance operation of the contact network becomes a problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In view of this, the present invention provides an auxiliary platform to facilitate the maintenance of the overhead line system.
The invention also aims to provide a contact net overhauling operation vehicle comprising the auxiliary platform, so that the overhauling operation of the contact net is convenient.
In order to achieve the purpose, the invention provides the following technical scheme:
an assistance platform, comprising:
the rail is used for being arranged on the top surface of the overhaul operating platform along the longitudinal direction of the overhaul operating platform;
the lifting platform is movably matched with the rail and can lift.
Preferably, in the above-described auxiliary platform, the elevating platform includes:
a base in movable engagement with the track;
the two groups of frame bodies are symmetrically arranged relative to the longitudinal direction, each group of frame bodies comprises two connecting rods which are arranged in parallel, and the lower end of each connecting rod is rotatably connected to the base;
the upper ends of the connecting rods of the two groups of frame bodies are rotatably connected to the top plate, the top plate is parallel to the base, and the top plate, each group of frame bodies and the base form a parallelogram link mechanism;
the two ends of the telescopic mechanism are respectively connected to the base and the frame body and used for jacking or withdrawing the frame body.
Preferably, in the above auxiliary platform, the lifting platform further includes one or more layers of intermediate plates, each layer of intermediate plate is parallel to the top plate, and each layer of intermediate plate forms a parallelogram linkage with each group of the frame body and the base.
Preferably, in the above auxiliary platform, the auxiliary platform further includes a longitudinal driving component, and the longitudinal driving component is in driving connection with the lifting platform and is used for driving the lifting platform to move relative to the rail.
Preferably, in the above-described auxiliary platform, the longitudinal driving part includes:
the first motor is arranged on the lifting platform;
a first gear fixed to an output shaft of the first motor;
the first rack is arranged on the track, and the first gear is meshed with the first rack.
Preferably, in the above-mentioned auxiliary platform, the lifting platform further includes:
the transverse guide rail is arranged on the bottom plate and is perpendicular to the rail;
the frame body supporting plate is movably matched with the transverse guide rail;
and the transverse driving component is in driving connection with the frame body supporting plate and is used for driving the frame body supporting plate to move relative to the transverse guide rail.
Preferably, in the above-described auxiliary platform, the lateral driving part includes:
the second motor is arranged on the bottom plate;
a second gear fixed to an output shaft of the second motor;
and the second rack is arranged on the support body supporting plate and meshed with the second gear.
Preferably, in the above-mentioned auxiliary platform, a guardrail is further included, and the guardrail is disposed on the top plate.
Preferably, in the above-described auxiliary platform, the guardrail is provided to the top plate so as to be liftable.
The invention also provides a contact net overhauling operation vehicle which comprises a vehicle body, an overhauling operation platform positioned at the top of the vehicle body and the auxiliary platform.
Compared with the prior art, the invention has the beneficial effects that:
the auxiliary platform provided by the invention comprises a rail and a lifting platform, wherein the rail is used for being arranged on the top surface of the maintenance operation platform along the longitudinal direction of the maintenance operation platform; the lifting platform is movably matched with the track. Therefore, when the overhaul operation is carried out, the staff directly moves the lifting platform on the overhaul operation platform to the overhaul position on the track, stands on the lifting platform for overhaul, and compared with the existing splayed crawling ladder for moving the contact net in the overhaul operation vehicle to the overhaul operation platform, the staff stands on the splayed crawling ladder for overhaul operation, and moves back to the contact net overhaul operation vehicle after use, and the auxiliary platform in the application facilitates the overhaul operation of the contact net.
The contact net overhauling operation vehicle provided by the invention adopts the auxiliary platform, can meet the overhauling height requirement of workers, and is convenient to overhaul and operate.
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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram illustrating a raised state of an auxiliary platform according to an embodiment of the present invention;
FIG. 2 is a side view of the auxiliary platform of FIG. 1;
FIG. 3 is a top view of the auxiliary platform of FIG. 1;
FIG. 4 is a front view of the auxiliary platform of FIG. 1;
fig. 5 is a schematic structural diagram of a descending state of an auxiliary platform according to an embodiment of the present invention;
FIG. 6 is a side view of the auxiliary platform of FIG. 5;
FIG. 7 is a front view of the auxiliary platform of FIG. 5;
FIG. 8 is a top view of the auxiliary platform of FIG. 5;
fig. 9 is a schematic structural diagram of a working state of a catenary maintenance work vehicle according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of an idle state of a catenary maintenance work vehicle according to an embodiment of the present invention.
Wherein, 1 is the track, 2 is the elevating platform, 21 is the base, 22 is the support body backup pad, 23 is horizontal drive part, 241 is first motor, 242 is first gear, 25 is horizontal guide rail, 26 is the intermediate lamella, 27 is the support body, 28 is the roof, 29 is the guardrail, 210 is telescopic machanism, 3 is the automobile body, 4 is the maintenance work platform, 5 is the contact net.
Detailed Description
The core of the invention is to provide an auxiliary platform, which is convenient for the maintenance operation of the contact network.
The invention also provides a contact network overhauling operation vehicle comprising the auxiliary platform, which facilitates the overhauling operation of the contact network.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 10, an embodiment of the invention provides an auxiliary platform, which includes a rail 1 and a lifting platform 2; the track 1 is used for being arranged on the top surface of the overhaul operating platform 4 along the longitudinal direction of the overhaul operating platform 4; the lifting platform 2 is movably matched with the track 1. The lifting platform 2 itself can be lifted.
When the overhaul operation is carried out, a worker directly moves the lifting platform 2 on the overhaul operation platform 4 to an overhaul position on the rail 1, the worker stands on the lifting platform 2 to overhaul the contact net 5, after the overhaul of the contact net 5 is completed, the lifting platform 2 is moved to the positions of other contact nets 5 along the rail 1, after the overhaul is completed, the lifting platform 2 is lowered, the worker gets off from the lifting platform 2, and the lifting platform 2 is kept on the overhaul operation platform 4. Compare in current with the contact net overhaul on the operation car in the splayed cat ladder move to overhaul the operation platform, the staff stands and overhauls the operation on the splayed cat ladder, and in the contact net overhaul operation car was moved back again to the used up, the auxiliary platform in this application made things convenient for the maintenance operation of contact net 5.
Further, in the present embodiment, the lifting table 2 includes a base 21, a frame body 27, a top plate 28, and a telescopic mechanism 210; wherein, the base 21 is movably matched with the track 1, and the base 21 moves on the track 1 along the longitudinal direction of the maintenance operation platform 4; the two groups of frame bodies 27 are arranged symmetrically in the longitudinal direction, each group of frame bodies 27 comprises two connecting rods arranged in parallel, and the lower end of each connecting rod is rotatably connected to the base 21; the upper ends of the connecting rods of the two groups of frame bodies 27 are rotatably connected to a top plate 28, the top plate 28 is parallel to the base 21, and the top plate 28, each group of frame bodies 27 and the base 21 form a parallelogram connecting rod mechanism; the two ends of the telescopic mechanism 210 are respectively connected to the base 21 and the frame 27 for jacking or retracting the frame 27, and the telescopic mechanism 210 may be a hydraulic telescopic cylinder or an electric telescopic cylinder.
When the lifting platform 2 is operated, when the lifting platform 2 needs to be lifted, the telescopic mechanism 210 extends to jack up the frame body 27, and the frame body 27, the top plate 28 and the base 21 are in a parallelogram linkage mechanism, so that the top plate 28 is lifted parallel to the base 21, and the lifting platform 2 is lifted, as shown in fig. 1-4. When it is desired to lower the lift table 2, the telescoping mechanism 210 is retracted, the frame 27 is retracted downwardly, and the top plate 28 is lowered, thereby lowering the lift table 2, as shown in fig. 5-8.
Further, in this embodiment, the lifting platform 2 further comprises one or more layers of intermediate plates 26, each layer of intermediate plates 26 being parallel to the top plate 28, each layer of intermediate plates 26 forming a parallelogram linkage with each group of shelves 27 and the base 21. Namely, the middle plate 26 is used for a worker to step on the upper top plate 28, so that the worker can conveniently ascend and descend the lifting platform 2. Specifically, the number of the intermediate plates 26 is one, two, three, or more, which is determined according to the final elevation height of the elevating platform 2.
In this embodiment, the auxiliary platform further includes a longitudinal driving member, and the longitudinal driving member is in driving connection with the lifting platform 2 and is used for driving the lifting platform 2 to move relative to the rail 1. The automatic movement of the lifting table 2 on the rail 1 is achieved by means of longitudinal drive members. Of course, the longitudinal driving part may not be provided, and the lifting table 2 may be moved on the rail 1 by manually pushing.
Further, in the present embodiment, the longitudinal driving part includes a first motor 241, a first gear 242, and a first rack; wherein, the first motor 241 is disposed on the lifting platform 2, specifically, the first motor 241 is fixed on the base 21, and preferably, an output shaft of the first motor 241 is disposed vertically; the first gear 242 is fixed to an output shaft of the first motor 241, and the output shaft of the first motor 241 drives the first gear 242 to rotate; the first rack is disposed on the track 1, and specifically, the first rack is fixed to a side surface of the track 1, and the first gear 242 is engaged with the first rack.
In operation, the first motor 241 rotates to drive the first gear 242 to rotate, and since the first gear 242 is engaged with the first rack on the track 1 and the first rack is fixed, the first gear 242 moves along the first rack, and since the first motor 241 is fixed to the base 21, the base 21 is driven to move along the track 1. The reciprocating movement of the lifting table 2 along the rail 1 is realized by the forward and reverse rotation of the first motor 241.
In this embodiment, the lifting table 2 further includes a lateral guide rail 25, a frame support plate 22, and a lateral driving part 23; wherein, the transverse guide rail 25 is arranged on the bottom plate 21, and the transverse guide rail 25 is perpendicular to the track 1; the frame body 27 and the telescopic mechanism 210 are arranged on the frame body supporting plate 22, and the frame body supporting plate 22 is movably matched with the transverse guide rail 25; a transverse drive member 23 is drivingly connected to the carrier support plate 22 for driving movement of the carrier support plate 22 relative to the transverse guide 25.
During operation, according to the position of contact net 5, adjust the vertical position of elevating platform 2 on overhauing work platform 4 to drive support body backup pad 22 through horizontal drive part 23 and follow the lateral guideway 25 lateral shifting on base 21, adjust the horizontal position of elevating platform 2 on overhauing work platform 4, can overhaul work platform 4 relatively and move out 500mm in the vertical central line left and right sides, in order to avoid contact net 5, remove to suitable maintenance position, make things convenient for the operating personnel to overhaul. After the maintenance is finished, the lifting platform 2 is transversely moved back to the position right above the track 1, so that the gravity center of the lifting platform 2 is overlapped with the track 1, and the lifting platform 2 is supported more stably.
Further, in the present embodiment, the transverse driving part 23 includes a second motor, a second gear and a second rack, wherein the second motor is disposed on the bottom plate 21; the second gear is fixed on an output shaft of the second motor, and the output shaft of the second motor drives the second gear to rotate; the second rack is disposed on the frame support plate 22 and engaged with the second gear.
During operation, the second motor rotates to drive the second gear to rotate, and the second gear is meshed with the second rack and is static relative to the base plate 21, and the second rack is fixed on the support body supporting plate 22, so that the support body supporting plate 22 is driven to transversely move on the transverse guide rail 25 relative to the base plate 21, and the transverse movement of the lifting platform 2 is realized. The reciprocating movement of the lifting platform 2 in the transverse direction is realized through the positive and negative rotation of the second motor.
In this embodiment, the auxiliary platform further comprises a guardrail 29 provided to the top plate 28. The guard rail 29 is formed in a circle, and the safety of workers on the top plate 28 is protected by the guard rail 29. An operation panel is provided on the guard rail 29, and an operator can perform an operation on the elevating platform 2.
Further, the guard rail 29 is arranged on the top plate 28 in a liftable manner, that is, the guard rail 29 moves vertically relative to the top plate 28, when maintenance is performed, the top plate 28 is lifted, the guard rail 29 is lifted from the top plate 28, the lifting height of the guard rail 29 is 765mm, and a certain protection effect is achieved for operators. When the service is completed, the top plate 28 is lowered, and the guard rail 29 is lowered from the top plate 28 to reduce the space occupation. Of course, the guard rail 29 itself may also be of a telescopic construction. After the guardrail 29 descends, the safety distance is kept between the whole height of the lifting platform 2 and the overhead line system 5, and the retraction height of the lifting platform 2 is 625 mm.
As shown in fig. 9 and 10, based on the auxiliary platform described in any of the above embodiments, an embodiment of the present invention further provides a catenary maintenance work vehicle, which includes a vehicle body 3, a maintenance work platform 4 located on the top of the vehicle body 3, and the auxiliary platform described in any of the above embodiments.
When the maintenance is performed, as shown in fig. 9, the lifting platform 2 of the auxiliary platform is moved along the rail 1 to the position below the overhead line system 5 to be maintained, the worker stands on the lifting platform 2, the lifting platform 2 of the auxiliary platform is lifted, and the contact line system 5 can be maintained at the height of the worker. After the overhaul is completed, as shown in fig. 10, the lifting platform 2 is lowered, the worker gets off the lifting platform 2, and the lifting platform 2 and the overhead line system 5 are kept within a safe distance.
Compare in current with the splayed cat ladder in the contact net overhaul operation car move to overhaul the operation platform on, the staff stands and overhauls the operation on the splayed cat ladder, and in the contact net overhaul operation car was moved back again to the used up, the contact net in this application overhauld the operation car and made things convenient for the maintenance operation of contact net 5.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An assistance platform, comprising:
the rail (1) is used for being arranged on the top surface of the maintenance operation platform (4) along the longitudinal direction of the maintenance operation platform (4);
the lifting platform (2) is movably matched with the track (1), and the lifting platform (2) can lift.
2. The assistance platform according to claim 1, characterized in that said lifting platform (2) comprises:
a base (21), wherein the base (21) is movably matched with the track (1);
two groups of frame bodies (27) which are longitudinally and symmetrically arranged relative to the base (21), wherein each group of frame bodies (27) comprises two connecting rods which are arranged in parallel, and the lower end of each connecting rod is rotatably connected to the base (21);
the upper ends of the connecting rods of the two groups of frame bodies (27) are rotatably connected to the top plate (28), the top plate (28) is parallel to the base (21), and the top plate (28), the frame bodies (27) and the base (21) form a parallelogram connecting rod mechanism;
the two ends of the telescopic mechanism (210) are respectively connected to the base (21) and the rack body (27) and used for jacking or withdrawing the rack body (27).
3. The auxiliary platform according to claim 2, characterized in that said lifting table (2) further comprises one or more layers of intermediate plates (26), each layer of intermediate plates (26) being parallel to said top plate (28), each layer of intermediate plates (26) forming a parallelogram linkage with each group of said shelves (27) and said base (21).
4. The auxiliary platform according to claim 1, further comprising a longitudinal driving member drivingly connected to the lifting table (2) for driving the lifting table (2) to move relative to the track (1).
5. The assistive platform of claim 4, wherein the longitudinal driving member comprises:
a first motor (241) provided to the lift table (2);
a first gear (242) fixed to an output shaft of the first motor (241);
the first rack is arranged on the track (1), and the first gear (242) is meshed with the first rack.
6. The assistance platform according to claim 2, characterized in that said lifting platform (2) further comprises:
a transverse guide rail (25) arranged on the bottom plate (21), wherein the transverse guide rail (25) is perpendicular to the track (1);
the frame body (27) and the telescopic mechanism (210) are arranged on the frame body supporting plate (22), and the frame body supporting plate (22) is movably matched with the transverse guide rail (25);
the transverse driving component (23) is in driving connection with the rack body supporting plate (22) and is used for driving the rack body supporting plate (22) to move relative to the transverse guide rail (25).
7. The auxiliary platform according to claim 6, characterized in that said transverse driving member (23) comprises:
a second motor provided to the base plate (21);
a second gear fixed to an output shaft of the second motor;
and the second rack is arranged on the rack body supporting plate (22), and the second rack is meshed with the second gear.
8. The auxiliary platform of claim 2, further comprising a guardrail (29) disposed on the top plate (28).
9. An auxiliary platform according to claim 8, characterized in that the railing (29) is elevatably arranged to the roof (28).
10. An overhead line system maintenance work vehicle, comprising a vehicle body (3) and a maintenance work platform (4) positioned on the top of the vehicle body (3), characterized by further comprising an auxiliary platform according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398355.XA CN111114394A (en) | 2019-12-30 | 2019-12-30 | Auxiliary platform and contact net overhaul operation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398355.XA CN111114394A (en) | 2019-12-30 | 2019-12-30 | Auxiliary platform and contact net overhaul operation vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111114394A true CN111114394A (en) | 2020-05-08 |
Family
ID=70505463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911398355.XA Pending CN111114394A (en) | 2019-12-30 | 2019-12-30 | Auxiliary platform and contact net overhaul operation vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111114394A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112477702A (en) * | 2020-12-17 | 2021-03-12 | 索斯沃斯(上海)升降设备有限公司 | Lifting platform for overhauling contact net and operation vehicle set |
| CN113995590A (en) * | 2021-10-09 | 2022-02-01 | 枣庄科技职业学院 | Sleep monitoring emergency nursing device for elderly people and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205836824U (en) * | 2016-06-30 | 2016-12-28 | 谢泽永 | A kind of electrified railway track operation vehicle for contact wire |
| CN110329287A (en) * | 2019-08-09 | 2019-10-15 | 北京中车重工机械有限公司 | A kind of contact net upkeep operation vehicle and its auxiliary device |
| CN110341732A (en) * | 2019-08-09 | 2019-10-18 | 北京中车重工机械有限公司 | A kind of contact net upkeep operation vehicle and its auxiliary device |
| CN211166527U (en) * | 2019-12-30 | 2020-08-04 | 北京中车重工机械有限公司 | Auxiliary platform and contact net overhaul operation vehicle |
-
2019
- 2019-12-30 CN CN201911398355.XA patent/CN111114394A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205836824U (en) * | 2016-06-30 | 2016-12-28 | 谢泽永 | A kind of electrified railway track operation vehicle for contact wire |
| CN110329287A (en) * | 2019-08-09 | 2019-10-15 | 北京中车重工机械有限公司 | A kind of contact net upkeep operation vehicle and its auxiliary device |
| CN110341732A (en) * | 2019-08-09 | 2019-10-18 | 北京中车重工机械有限公司 | A kind of contact net upkeep operation vehicle and its auxiliary device |
| CN211166527U (en) * | 2019-12-30 | 2020-08-04 | 北京中车重工机械有限公司 | Auxiliary platform and contact net overhaul operation vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112477702A (en) * | 2020-12-17 | 2021-03-12 | 索斯沃斯(上海)升降设备有限公司 | Lifting platform for overhauling contact net and operation vehicle set |
| CN113995590A (en) * | 2021-10-09 | 2022-02-01 | 枣庄科技职业学院 | Sleep monitoring emergency nursing device for elderly people and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211166527U (en) | Auxiliary platform and contact net overhaul operation vehicle | |
| CN111114394A (en) | Auxiliary platform and contact net overhaul operation vehicle | |
| CN212828416U (en) | Track bridge type bogie replacing device | |
| CN217499804U (en) | Railway line component replacement gantry crane and group hoisting device | |
| CN113175194B (en) | Automatic multisection horizontal lift telescopic operation platform | |
| CN106627256A (en) | Through lifting platform with automatically telescopic guardrails | |
| CN212403394U (en) | Maintenance operation platform | |
| CN110341732B (en) | Overhead contact system overhauls operation car and auxiliary device thereof | |
| CN106481126B (en) | A kind of three-dimensional parking device for realizing vehicle lifting by lifting cantilever | |
| CN210912421U (en) | Contact net overhauls operation car and auxiliary device thereof | |
| CN209853641U (en) | Automobile overhaul elevating platform | |
| CN217919684U (en) | Cleaning rack transportation storage device | |
| CN211592558U (en) | Contact net overhauls operation car and auxiliary device thereof | |
| CN108502828B (en) | Universal operation platform for locomotive overhaul | |
| CN110329287B (en) | Overhead contact system overhauls operation car and auxiliary device thereof | |
| CN110937555A (en) | Track maintenance car | |
| CN107386138B (en) | Totally-enclosed sound insulation screen construction vehicle and totally-enclosed sound insulation screen installation method | |
| CN114808567A (en) | Railway line component replacement gantry crane device and operation method thereof | |
| CN213416147U (en) | New energy automobile power battery lifting device | |
| CN212982361U (en) | Semitrailer axle mounting lifting device | |
| CN210000320U (en) | Automatic rail shifting device and steel rail transport vehicle set | |
| CN112677829A (en) | Lifting type mobile contact net supporting device, mobile contact net and operation method | |
| CN210997162U (en) | Large-roof skin feeding power assisting equipment | |
| CN209797375U (en) | Tool lifting platform arranged in subway maintenance operation platform | |
| CN206394468U (en) | Insertion hoistable platform with automatic telescopic railing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |