CN111252100A - Piggyback transport activity saddle and piggyback transport vehicle - Google Patents
Piggyback transport activity saddle and piggyback transport vehicle Download PDFInfo
- Publication number
- CN111252100A CN111252100A CN202010084495.6A CN202010084495A CN111252100A CN 111252100 A CN111252100 A CN 111252100A CN 202010084495 A CN202010084495 A CN 202010084495A CN 111252100 A CN111252100 A CN 111252100A
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- 230000000694 effects Effects 0.000 title description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 210000002105 tongue Anatomy 0.000 claims description 39
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000035939 shock Effects 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D47/00—Loading or unloading devices combined with vehicles, e.g. loading platforms, doors convertible into loading and unloading ramps
- B61D47/005—Loading or unloading devices combined with road vehicles carrying wagons, e.g. ramps, turntables, lifting means
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Abstract
The invention provides a piggyback transport movable saddle and a piggyback transport vehicle, which comprise a rail and a sliding block which are mutually matched, wherein a bracket is arranged above the sliding block, traction frames are respectively arranged at two sides of the bracket, the traction frames are matched with a driving mechanism, and the driving mechanism drives the sliding block and the bracket to jointly slide along the rail through the traction frames; the support is provided with a supporting surface above the support and used for contacting and supporting an external vehicle, the supporting surface is provided with a lock seat, the lock seat is detachably matched with a lock pin, the lock pin is used for being fixed on the external vehicle, and when the lock pin is matched with the lock seat, the support is used for locking the relative position of the external vehicle and the track; through the bolt chucking, can prevent that freight train or semitrailer and piggyback car from separating, cause vehicle damage or casualties, connect with the security of transportation higher.
Description
Technical Field
The application relates to a piggyback transport movable saddle and a piggyback transport vehicle.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The railway piggyback transportation means that after goods are loaded by a road truck or a semi-trailer, the goods are transported to a destination goods yard by the railway truck in an origin goods yard, long-distance transportation is completed by a railway, and the goods are opened after arriving at the goods yard, and the rest transportation is completed by the road truck; piggyback transportation is a mode of combined transportation of roads and railways, and the railway piggyback transportation can realize seamless butt joint of the roads and the railways and reduce environmental pollution. Railway vehicles transporting road trucks or semi-trailers become piggyback carriers.
The inventor finds that the existing railway piggyback transportation is still in a starting stage, and because the weight and the volume of a truck loaded with goods are large, the truck must be kept stable when being connected with a railway for carrying, so that the truck is prevented from shaking or sliding off to cause danger in the running process of the train; due to different loading modes, the tractor saddle cannot be applied to a railway train, and the connection between a semi-trailer and a piggyback car is realized due to the lack of a special connecting and loading reinforcing device, so that the connecting and reinforcing requirements in the piggyback transportation process are difficult to meet.
Disclosure of Invention
The utility model aims at the defect that prior art exists, provide a piggyback transportation activity saddle and piggyback transport vechicle, as the important subsystem of railway piggyback transport vechicle, it is the system that the railway piggyback transport vechicle is used for bearing the semitrailer, this activity saddle possesses the longitudinal movement function, can satisfy the loading of different car length semitrailers, can be according to the length of semitrailer, the position of adjustment activity saddle adapts to the transportation requirement of different car length semitrailers, set up locking mechanism simultaneously, prevent that the towing pin from jumping, make the connection of semitrailer traction seat and activity saddle more reliable, the security is higher.
The first purpose of this application is to provide a piggyback transport activity saddle, adopts following technical scheme:
the device comprises a track and a sliding block which are matched with each other, wherein a support is arranged above the sliding block, traction frames are respectively arranged on two sides of the support, the traction frames are matched with a driving mechanism, and the driving mechanism drives the sliding block and the support to jointly slide along the track through the traction frames; the support is provided with a supporting surface above and used for contacting and supporting an external vehicle, the supporting surface is provided with a lock seat, the lock seat is detachably matched with a lock pin, the lock pin is used for being fixed on the external vehicle, and when the lock pin is matched with the lock seat, the support is used for locking the relative position of the external vehicle and the track.
Further, the lock base comprises a link mechanism and two oppositely arranged lock tongues, and the two lock tongues are matched with the link mechanism for synchronous transmission and used for enabling the two lock tongues to synchronously extend out to be matched with and lock the lock pin or synchronously retract to release the lock of the lock pin.
Furthermore, the lock seat is provided with a cavity with an opening at the upper part, the two lock tongues are respectively arranged at two sides of the cavity, and the end part of the lock pin penetrates through the opening of the cavity to enter the cavity to be synchronously matched and locked with the two lock tongues.
Furthermore, one end of the bolt contacting the lock pin is provided with a chamfer surface for receiving the thrust from the opening direction and retracting; and a matching groove is formed in the side surface of the lock pin and used for clamping the lock tongue to lock the lock pin.
Furthermore, the connecting rod mechanism comprises a transmission mechanism and handles, the handles are distributed on two sides of the support and are connected with and control the two lock tongues through the transmission mechanism, and the handles are used for receiving external force and controlling the two lock tongues and the lock pins to be matched and locked and unlocked.
Further, the slider passes through base linking bridge, the support is articulated each other with the base, the support rotates around the pin joint and adjusts the contained angle of holding surface and track for correspond outside vehicle and carry out the support of different angles.
Furthermore, the traction frame is arranged on two sides of the base, the traction frame is matched with a chain wheel, the driving mechanism is in matched transmission with the chain wheel through a chain, and the base, the support and the sliding block are driven to move along the track together.
Further, the track comprises a sliding rail and a base plate which are arranged in parallel, the base plate is in contact with and supports the sliding block, and the sliding rail is matched with the base and used for guiding the moving direction of the sliding block.
The second invention of the present application aims to provide a piggyback transport vehicle, which adopts the following technical scheme:
the device comprises a bearing plate and the piggyback transport movable saddle, wherein the rails are fixedly arranged on the bearing plate, and a plurality of groups of piggyback transport movable saddles with mutually butted rails are arranged on each bearing plate.
Compared with the prior art, the application has the advantages and positive effects that:
(1) the movable saddle is used for bearing a truck, the front and rear positions of the movable saddle can be adjusted, and after the movable saddle is assembled on a railway piggyback transport vehicle, the movable saddle can adjust and match the supporting positions for different transport trucks, so that the transport trucks are correspondingly restrained, and the piggyback vehicle can have the function of transporting trucks with different truck lengths;
(2) two lock tongues are arranged on two sides of the lock seat, after a truck falls off, the two lock tongues can clamp the traction pin of the semitrailer from two sides, the contact area is larger than that of a single lock tongue structure, the rigidity of connection and fixation is improved, the truck and the piggyback car can be prevented from being separated through the clamping of the lock tongues, the vehicle damage or casualties can be prevented, and the safety of connection and transportation is higher;
(3) set up link mechanism, operating handle drives the spring bolt and removes, and back in the lockpin that the freight train corresponds falls into the saddle, link mechanism can realize automatic locking, when hanging from the freight train, at saddle outside operating handle, can realize unblanking of spring bolt, and maneuverability is good, and factor of safety is high.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic structural diagram of a movable saddle and a bearing plate in the embodiments 1 and 2 of the present application;
FIG. 2 is a front view of the mobile saddle according to embodiments 1, 2 of the present application;
figure 3 is a top view of the mobile saddle according to the embodiments 1, 2 of the present application;
fig. 4 is a left side view of the mobile saddle in the embodiments 1, 2 of the present application;
fig. 5 is a schematic view of the linkage mechanism and the lock base in embodiments 1 and 2 of the present application;
fig. 6 is a schematic structural view of a lock base in embodiments 1 and 2 of the present application;
fig. 7 is a schematic structural diagram of the locking seat and the locking pin in embodiments 1 and 2 of the present application.
In the figure, 1 saddle, 2 tracks, 3 backing plates, 4 chains, 5 traction frames, 6 handles, 7 lock seats, 8 bases, 9 chain wheels, 10 shock absorbers, 11 upper cover plates, 12 lock seat bodies, 13 connecting rods, 14 lock tongues, 15 connecting rods, 16 pressure spring connecting rods, 17 pressure spring guide columns, 18 pressure springs, 19 supporting plates, 20 end plates, 21 side plates, 22 spring caps, 23 spring seats, 24 adjusting bolts, 25 lock seat springs, 26 sliders and 27 pressure spring stoppers are arranged.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in this application, if any, merely indicate that the directions of movement are consistent with those of the figures themselves, and are not limiting in structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting in this application.
As introduced in the background art, in the prior art, the railway piggyback transportation is still in a starting stage, and because the weight and the volume of a truck loaded with goods are large, the truck needs to be kept stable when being connected with a railway for carrying, so that the truck is prevented from shaking or sliding off to cause danger in the running process of a train; due to different loading modes, the tractor saddle cannot be applied to a railway train, and the connection between a semi-trailer and a piggyback car is difficult to meet the connection and reinforcement requirements in the piggyback transportation process because a special connection and loading reinforcement device is lacked at present.
Example 1
In a typical embodiment of the present application, as shown in fig. 1-7, a piggyback transport mobile saddle is proposed.
The main body of the movable saddle comprises a support, a base and a track, wherein the track is fixed on a bearing plate of the piggyback car, and the support is arranged on the bearing plate through the base and can slide along the track, so that the relative position of the support and the track is changed to correspond to the supporting positions of trucks with different sizes.
The track is divided into two parts, one part is a slide rail and is used for matching with the sliding direction of the base restraint bracket, and the other part is a backing plate and is used for contacting and supporting the sliding block 26; the base slides in contact with the base plate through the sliding block at the bottom of the base, so that the support above the base is driven to move along the sliding rail, and the support and the locking position of an external truck are adjusted.
Specifically, as shown in fig. 1-3, the movable saddle device comprises a saddle 1, a rail 2 and a driving mechanism;
the saddle is supported above the base plate 3 through a sliding block, and the sliding block is used as a supporting piece and also used as a wearing piece and slides on the base plate; the driving mechanism is connected with traction frames 5 on two sides of the saddle through chains 4, chain wheels are matched on the traction frames, the driving mechanism drives the chains to rotate so as to drive the chain wheels to rotate, and the whole saddle is driven to reciprocate along a track through the traction frames; the sliding rails are arranged on two sides of the saddle to limit the freedom degree of the saddle, so that the saddle can linearly slide along the laying direction of the sliding rails;
the track is fixedly connected with a bearing plate of the piggyback car through a countersunk bolt, and the backing plate is welded on the bearing plate and supports the saddle together.
Further, the saddle comprises a traction frame, a support, a lock seat 7, a base 8, a chain wheel 9 and a shock absorber 10; the support is hinged with the base through a flat hole round pin, a bushing is pressed in a round pin mounting hole, and the traction frame penetrates through a hole in the base and is installed in a matched mode with the base; the shock absorber is arranged on the bracket, the top of the shock absorber extends out of the upper part of the supporting surface and can be popped up or dropped down to buffer and absorb shock for a vehicle placed above the shock absorber;
the base is of a steel plate welding structure, and the chain wheel and the chain are matched with a driving mechanism to form a chain transmission mechanism to drive the whole saddle to slide back and forth along the rail; the driving mechanism can adopt a structure that an electric motor or a hydraulic motor drives a driving wheel, and the driving wheel drives a chain to do rotary motion, so that a chain wheel matched with the driving wheel is driven to rotate.
The lock base comprises an upper cover plate 11, a lock base body 12, a connecting rod 13, a bolt 14, a connecting rod 15, a pressure spring connecting rod 16, a pressure spring guide post 17, a pressure spring 18, a supporting plate 19, an end plate 20, a side plate 21, a spring cap 22, a spring seat 23, an adjusting bolt 24 and a lock base spring 25; the lock seat comprises a connecting rod mechanism and two oppositely arranged lock tongues, and the two lock tongues are matched with the connecting rod mechanism for synchronous transmission and are used for enabling the two lock tongues to synchronously extend out to be matched with and lock the lock pin or synchronously retract to release the lock of the lock pin;
the upper cover plate 11, the support plate 19, the end plate 20, the side plate 21, the lock seat body 12, the spring seat 23 and the pressure spring stop block 27 are connected in a welding mode to form a lock seat frame;
the lock seat is provided with a cavity with an upper opening, the two lock tongues are respectively arranged at two sides of the cavity, and the end part of the lock pin penetrates through the opening of the cavity to enter the cavity to be synchronously matched and locked with the two lock tongues;
the lock tongue 14 is inserted in the square groove of the lock base body 12 and can slide along the square groove;
the handle 6 is connected with the connecting rod 13 through a round pin, and the connecting rod 13 is connected with the bolt 14 through a round pin; the connecting rod 15 is connected with the bolt 14 and the pressure spring connecting rod 16 through round pins; the pressure spring connecting rod 16 is connected with the pressure spring guide post 17 through a round pin, and the pressure spring 18 is arranged between the pressure spring guide post 17 and the pressure spring stop block 27; the bolt is driven to slide along the square groove through the connecting rod mechanism, so that the bolt is extended and retracted;
one end of the lock tongue contacting the lock pin is provided with an oblique cutting surface for receiving the thrust from the opening direction and retracting; a matching groove is formed in the side surface of the lock pin and used for clamping the lock bolt to lock the lock pin;
the spring cap 22 is installed on the top of the lock seat spring 25, the spring cap 22 and the lock seat spring 25 are both installed inside the lock seat body, and the adjusting bolt 24 passes through the long round hole of the lock seat body 12 and is installed in the threaded hole of the spring cap 22.
In operation, as shown in fig. 6-7:
when the saddle is in an initial state, one end of the lock pin is fixed on the truck, and the lock tongue extends out and presses the spring cap 22 to wait for the matching of the external lock pin;
when a piggyback car loads a train, the lock pin falls down to push the inclined plane to extrude the two lock tongues outwards, the traction pin falls into the lock seat body, after the lock pin is completely positioned, the lock tongues extend out to be clamped with the matching grooves on the lock pin under the action of the pressure spring 18, the tail ends of the lock pins are pressed on the spring caps 22 to lock the lock tongues and the lock pins, and therefore the position of the truck is restrained by the saddle formed by matching the saddle and the lock pins, and the effect of fixing the position of the truck is achieved;
when the truck needs to be lifted from the piggyback car, the control operating handle drives the connecting rod mechanism, the lock tongue is manually controlled to retract, the lock tongue unlocks the lock pin, and the lock pin can be separated from the lock base body, so that the truck can be lifted away at the moment.
In the embodiment, the movable saddle is used for bearing a truck or a semi-trailer, the position of the movable saddle can be adjusted forwards and backwards, and the movable saddle can be assembled on a railway piggyback transport vehicle to enable the piggyback transport vehicle to have the function of transporting semi-trailers with different vehicle lengths.
In this embodiment, two lock tongues are arranged on two sides of the lock base. After the semitrailer falls off, the two lock tongues can clamp the semitrailer towing pin from two sides, and the contact area is larger than that of a single lock tongue structure. Through the spring bolt chucking, can prevent that semitrailer and piggyback car from separating, cause vehicle damage or casualties, connect with the security of transportation higher.
A connecting rod mechanism is arranged, and an operating handle drives the lock tongue to move. After the semitrailer towing pin falls into in the saddle, link mechanism can realize automatic locking, when hanging from freight train or semitrailer, in the saddle outside operating handle, can realize unblanking of spring bolt, maneuverability is good, and factor of safety is high.
Example 2
In another exemplary embodiment of the present disclosure, a piggyback transport vehicle is provided.
The piggyback transport vehicle is a train with a bearing plate, the bearing plate is provided with the movable saddles as described in embodiment 1, each bearing plate can be provided with a plurality of movable saddles, and the rails corresponding to the plurality of movable saddles can be butted to form a rail;
the movable saddles slide along the rail to adjust the supporting position and correspond to trucks or semitrailers with different sizes.
A connecting rod mechanism is arranged, and an operating handle drives the lock tongue to move; the operating handles are arranged on the two sides of the saddle, so that when the train stops at the stations of different stations, the locking of the lock pin can be released from any side, and the operating efficiency is improved.
After the lockpin that the freight train corresponds fell into in the saddle, link mechanism can realize automatic locking, when hanging from the freight train, at saddle outside operating handle, can realize unblanking of spring bolt, maneuverability is good, and factor of safety is high.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A piggyback transport movable saddle is characterized by comprising a track and a sliding block which are mutually matched, wherein a support is arranged above the sliding block, traction frames are respectively arranged on two sides of the support, the traction frames are matched with a driving mechanism, and the driving mechanism drives the sliding block and the support to jointly slide along the track through the traction frames; the support is provided with a supporting surface above and used for contacting and supporting an external vehicle, the supporting surface is provided with a lock seat, the lock seat is detachably matched with a lock pin, the lock pin is used for being fixed on the external vehicle, and when the lock pin is matched with the lock seat, the support is used for locking the relative position of the external vehicle and the track.
2. The piggyback transport movable saddle of claim 1, wherein said lock seat comprises a linkage mechanism and two oppositely disposed locking tongues, both locking tongues cooperating with the linkage mechanism for synchronous transmission for simultaneous extension and retraction of the two locking tongues to unlock the locking pin.
3. The piggyback transport movable saddle of claim 2, wherein said lock seat is provided with a cavity with an upper opening, two lock tongues are respectively arranged at both sides of the cavity, and the end of said lock pin passes through the opening of the cavity and enters the cavity to be locked with the two lock tongues synchronously.
4. The piggyback transport movable saddle of claim 3, wherein one end of said latch contacting the lock pin is provided with a chamfered surface for receiving a pushing force from the direction of the opening and retracting; and a matching groove is formed in the side surface of the lock pin and used for clamping the lock tongue to lock the lock pin.
5. The piggyback transport movable saddle of claim 4, wherein the link mechanism comprises a transmission mechanism and handles, the handles are distributed on both sides of the bracket and are connected with and control the two lock tongues through the transmission mechanism, and the handles are used for receiving external force and controlling the two lock tongues to be matched with the lock pins for locking and unlocking.
6. The piggyback transport mobile saddle of claim 1, wherein said slide block is connected to a support by a base, said support and base are hinged to each other, said support rotates around the hinge point to adjust the angle between the support surface and the track for supporting different angles corresponding to the outside vehicle.
7. The piggyback transport mobile saddle of claim 6, wherein said traction frame is mounted on both sides of the base, said traction frame is fitted with a sprocket, said driving mechanism is driven by the chain and the sprocket to drive the base, the support and the slide block to move together along the track.
8. A piggyback transport mobile saddle as claimed in claim 6, in which said track comprises a sliding track and a pad arranged in parallel, said pad contacting and supporting the slider, said sliding track cooperating with the base for guiding the direction of movement of the slider.
9. A piggyback transport vehicle comprising a piggyback transport movable saddle according to any one of claims 1 to 8.
10. The piggyback transport vehicle of claim 9 comprising carrying plates, said rails mounted and fixed on the carrying plates, each carrying plate mounting a plurality of sets of piggyback transport mobile saddles with rails abutting each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010084495.6A CN111252100A (en) | 2020-02-10 | 2020-02-10 | Piggyback transport activity saddle and piggyback transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010084495.6A CN111252100A (en) | 2020-02-10 | 2020-02-10 | Piggyback transport activity saddle and piggyback transport vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111252100A true CN111252100A (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010084495.6A Pending CN111252100A (en) | 2020-02-10 | 2020-02-10 | Piggyback transport activity saddle and piggyback transport vehicle |
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| CN (1) | CN111252100A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106314456A (en) * | 2016-08-30 | 2017-01-11 | 中车齐齐哈尔车辆有限公司 | Vertical regulating mechanism of traction pin mounting base |
| CN106627608A (en) * | 2016-12-28 | 2017-05-10 | 中车山东机车车辆有限公司 | Movable saddle seat used for railway piggyback transport vehicle and railway piggyback transport vehicle |
| CN207955642U (en) * | 2018-01-25 | 2018-10-12 | 镇江市宝华半挂车配件有限公司 | Automobile-used traction base of semitrailer is transported in a kind of railway hunchback |
| EP3395639A1 (en) * | 2017-04-25 | 2018-10-31 | Helrom Limited | King pin console arrangement |
| CN109383645A (en) * | 2018-10-30 | 2019-02-26 | 东风商用车有限公司 | Automatic tractor saddle and using method thereof |
| CN209600665U (en) * | 2018-12-28 | 2019-11-08 | 长沙凯瑞重工机械有限公司 | Adaptive leveling semitrailer |
| CN110562335A (en) * | 2019-08-08 | 2019-12-13 | 湖南成鑫专用汽车有限公司 | saddle capable of automatically adjusting horizontal position, tractor and tractor adjusting method |
-
2020
- 2020-02-10 CN CN202010084495.6A patent/CN111252100A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106314456A (en) * | 2016-08-30 | 2017-01-11 | 中车齐齐哈尔车辆有限公司 | Vertical regulating mechanism of traction pin mounting base |
| CN106627608A (en) * | 2016-12-28 | 2017-05-10 | 中车山东机车车辆有限公司 | Movable saddle seat used for railway piggyback transport vehicle and railway piggyback transport vehicle |
| EP3395639A1 (en) * | 2017-04-25 | 2018-10-31 | Helrom Limited | King pin console arrangement |
| CN207955642U (en) * | 2018-01-25 | 2018-10-12 | 镇江市宝华半挂车配件有限公司 | Automobile-used traction base of semitrailer is transported in a kind of railway hunchback |
| CN109383645A (en) * | 2018-10-30 | 2019-02-26 | 东风商用车有限公司 | Automatic tractor saddle and using method thereof |
| CN209600665U (en) * | 2018-12-28 | 2019-11-08 | 长沙凯瑞重工机械有限公司 | Adaptive leveling semitrailer |
| CN110562335A (en) * | 2019-08-08 | 2019-12-13 | 湖南成鑫专用汽车有限公司 | saddle capable of automatically adjusting horizontal position, tractor and tractor adjusting method |
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| CB02 | Change of applicant information |
Address after: Huai Village Street Huaiyin District of Ji'nan city of Shandong Province, No. 73 250022 Applicant after: CRRC SHANDONG Co.,Ltd. Applicant after: Shenhua Railway Equipment Co.,Ltd. Address before: Huai Village Street Huaiyin District of Ji'nan city of Shandong Province, No. 73 250022 Applicant before: CRRC SHANDONG Co.,Ltd. Applicant before: SHENHUA RAIL AND FREIGHT WAGONS TRANSPORT Co.,Ltd. |
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Application publication date: 20200609 |
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