CN212195435U - Middle chassis lifting device for automobile-container dual-purpose concave bottom transport vehicle - Google Patents
Middle chassis lifting device for automobile-container dual-purpose concave bottom transport vehicle Download PDFInfo
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- CN212195435U CN212195435U CN202020825783.8U CN202020825783U CN212195435U CN 212195435 U CN212195435 U CN 212195435U CN 202020825783 U CN202020825783 U CN 202020825783U CN 212195435 U CN212195435 U CN 212195435U
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Abstract
The utility model discloses a middle underframe lifting device for an automobile-container dual-purpose concave bottom transport vehicle, which belongs to the technical field of railway transportation and comprises a lower layer underframe, a middle upper layer underframe, an upper middle frame lifting device and an upper middle frame locking device; a concave bottom is arranged in the middle of the lower-layer underframe; an upper middle frame lifting device is arranged between the concave bottom and the middle upper layer underframe; the upper middle frame locking device comprises a supporting rod, a sliding piece, a locking piece and a guide rail; one end of the supporting rod is hinged to one side of the lower-layer underframe, and the other end of the supporting rod is provided with a sliding piece; the sliding part is used for being matched with a guide rail arranged below the middle upper layer underframe; the locking piece is used for locking one end of the support rod, provided with the sliding piece, with the middle upper-layer underframe when the sliding piece slides to the edge of the middle upper-layer underframe. The utility model discloses a middle part chassis elevating gear for dual-purpose depressed center transport vechicle of car-container can effectively improve the full length utilization ratio of vehicle chassis, reduces the cost of transportation, avoids the container collision, and the structure is exquisite, convenient operation.
Description
Technical Field
The utility model belongs to the technical field of the railway transportation, specifically speaking relates to a middle part chassis elevating gear for dual-purpose depressed center transport vechicle of car-container.
Background
In recent years, the development of the car industry in China is rapidly advanced, the car transportation volume is increased year by year, and in order to meet the car transportation market demands and show advantages in intense market competition, various freight transport companies and logistics companies acquire more market share and strive for low transportation cost and high transportation efficiency.
The domestic railway car transport vehicle is developed vigorously in the great growth of the car consumer market, and due to the adoption of the all-steel closed rivet welding structure, other goods cannot be assembled, so that most vehicles can only be returned by empty cars, and the vehicles can only be left unused in slack seasons to occupy the railway, so that the utilization rate of the vehicles is low, the use cost is increased, and the transport capacity of the railway is greatly wasted. In recent years, the development of multi-type intermodal transportation is greatly promoted in China, container transportation is mainly used in the multi-type intermodal transportation, and if the multi-type intermodal transportation and the container transportation can be complemented, the maximization of equipment benefit can be realized. Patent publication No. CN 104802811A discloses a car-container sharing special type transport vechicle, and this car is turned over down through middle part activity chassis, only can be used to load 1 40ft container, and vehicle chassis length utilization compares lowly 50% with the flatcar, and economic benefits is not high, and this car side wall is higher, and difficult observation during the container loads, collides side wall or container easily, and the operation is difficult, is unfavorable for dual-purpose vehicle's popularization and application.
The restriction of the vehicle structure of the existing car transport vechicle of railway can't carry out high-efficient dual-purpose in the transportation, and the operation is not convenient, and this problem is urgent to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned weak point provide a car-dual-purpose concave bottom for transport vechicle middle part chassis elevating gear of container, the unable chassis full length transport container of current railway car transport vechicle is solved, the container collides easily, the operation is not convenient, vehicle transport capacity is low, problem such as cost of transportation height. In order to achieve the above object, the utility model provides a following technical scheme:
a middle underframe lifting device for an automobile-container dual-purpose concave bottom transport vehicle comprises a lower layer underframe, a middle upper layer underframe, an upper middle frame lifting device and an upper middle frame locking device; a concave bottom is arranged in the middle of the lower-layer underframe; an upper middle frame lifting device is arranged between the concave bottom and the middle upper layer underframe; the middle upper frame lifting device is used for controlling the middle upper layer bottom frame to vertically lift; the number of the upper middle frame locking devices is at least four, and the upper middle frame locking devices are uniformly distributed on two sides of the middle upper layer underframe; the upper middle frame locking device comprises a supporting rod, a sliding piece, a locking piece and a guide rail; one end of the supporting rod is hinged to one side of the lower-layer underframe, and the other end of the supporting rod is provided with a sliding piece; the sliding piece is used for being matched with a guide rail arranged below the middle upper layer underframe and sliding along the width direction of the middle upper layer underframe; and the locking piece is used for locking one end of the support rod provided with the sliding piece and the middle upper layer underframe when the sliding piece slides to the edge of the middle upper layer underframe. According to the structure, the middle of the lower-layer underframe is provided with the concave bottom, when the middle upper-layer underframe above the concave bottom is driven by the upper-layer underframe to ascend at a certain height, some higher large SUV automobiles can be parked on the concave bottom, the space holding capacity of the transport vehicle is improved, after the ascending height of the middle upper-layer underframe is determined, the middle upper-layer underframe is locked by the upper-layer underframe height locking device, and the pressure of the automobiles parked on the middle upper-layer underframe is avoided when the upper-layer underframe does not work. When the middle upper layer underframe is driven to descend by the middle upper frame lifting device, the middle upper layer underframe can be finally supported on the lower layer underframe; the middle upper frame lifting device is always positioned between the concave bottom and the middle upper layer bottom frame. This device makes the transport vechicle not only can double-deck transportation car, supports back on lower floor's chassis as middle part upper strata chassis, can park trucd cart or container on the middle part upper strata chassis, makes the transport vechicle can transport other goods, avoids the empty wagon to loopback. The vehicle can not be idle in slack season, and can not occupy the line, so the vehicle utilization rate is high, the use cost is reduced, and the transport capacity of the railway line is greatly improved. Because this transport vechicle does not have the roof, also does not have the side wall, so can not bump when the container loads, can the chassis full length transport container moreover, improve transport vechicle transport capacity and conveying efficiency. The problems of strong specificity, low utilization rate and high use cost of the existing special vehicle for the railway transportation car are solved. The number of the upper middle frame locking devices is at least four, and the upper middle frame locking devices are uniformly distributed on two sides of the middle upper layer underframe; for example, two middle upper frame locking devices are respectively arranged on one side of the middle upper layer underframe, and the middle upper frame locking devices on the two sides are symmetrically arranged, so that the height of the middle upper layer underframe is stably locked; the middle upper frame locking device has simple structure, convenient use and good reliability; the upper middle frame locking device comprises a supporting rod, a sliding piece, a locking piece and a guide rail; one end of the supporting rod is hinged to one side of the lower-layer underframe, and the other end of the supporting rod is provided with a sliding piece; the sliding piece is used for being matched with a guide rail arranged below the middle upper layer underframe and sliding along the width direction of the middle upper layer underframe, and the guide rail is arranged along the width direction of the middle upper layer underframe; therefore, when the middle upper frame lifting device drives the middle upper frame to lift, the sliding piece is used for being matched with a guide rail arranged below the middle upper frame and sliding to the edge of the middle upper frame along the width direction of the middle upper frame, then the locking piece locks the end, provided with the sliding piece, of the supporting rod and the middle upper frame, so that the sliding piece cannot move, and the middle upper frame locking device locks the height stability of the middle upper frame. When the locking piece is unlocked, the middle upper frame lifting device drives the middle upper frame to descend, then the sliding piece is matched with the guide rail arranged below the middle upper frame, the sliding piece slides to the middle of the middle upper frame along the width direction of the middle upper frame, finally the middle upper frame is supported on the lower frame, no barrier exists on the middle upper frame to block the container from being loaded, and the multi-type combined transportation capacity is realized, the transportation efficiency is high, and the transportation cost is low. Wherein, the middle upper layer underframe adopts a plate-girder type structure.
Furthermore, the number of the upper middle frame lifting devices is at least four, and the upper middle frame lifting devices are uniformly distributed on two sides of the middle upper layer bottom frame. According to the structure, for example, the number of the middle upper frame lifting devices can be four, one side of the middle upper layer underframe is two, and the middle upper frame lifting devices on the two sides are symmetrically arranged, so that the middle upper layer underframe is stably lifted or lowered by the middle upper frame lifting devices.
Furthermore, the middle upper frame lifting device is a telescopic air cylinder or a telescopic hydraulic cylinder. According to the structure, the middle and upper frame lifting device can adopt the telescopic cylinder or the telescopic hydraulic cylinder, the control is simple, in addition, the middle and upper frame locking device locks the height of the middle and upper frames, the pressure of the automobile parked on the middle and upper frames when the middle and upper frame lifting device does not work is avoided, the telescopic cylinder or the telescopic hydraulic cylinder is protected, the telescopic cylinder or the telescopic hydraulic cylinder with large specification does not need to be equipped with for the lifting force, the required lifting force is small, and the cost is saved. The telescopic cylinder or the telescopic hydraulic cylinder always has a length, and the concave bottom provides the accommodating space. The concave bottom is a part with a concave part in the middle of the lower-layer chassis and comprises a concave bottom surface and two side walls connected with the bottom surface. The middle upper frame lifting device can also adopt other existing lifting structures matched with a gear rack, can adopt a telescopic cylinder or a telescopic hydraulic cylinder, and can utilize the stroke of a multistage telescopic cylinder to drive the middle upper layer underframe to descend to the lower layer underframe, so that the loading requirement of the 1AAA wide high box is met.
Further, a cylinder barrel of the upper middle frame lifting device is fixed with the lower layer underframe and is used for ensuring that the stretching direction is vertical; the telescopic end part of the middle upper frame lifting device is hinged with the middle upper layer bottom frame, and the end part of the cylinder barrel is hinged with the concave bottom. According to the structure, the cylinder barrel of the upper middle frame lifting device is fixed with the lower bottom frame, so that the telescopic direction is vertical, and the middle upper bottom frame can stably vertically ascend or descend; because the middle upper frame lifting device is a telescopic air cylinder or a telescopic hydraulic cylinder, the middle upper frame lifting device is provided with a telescopic end part and a cylinder barrel end part, the telescopic end part of the middle upper frame lifting device is hinged with the middle upper layer bottom frame, the cylinder barrel end part is hinged with the concave bottom, and the middle upper frame lifting device can drive the middle upper layer bottom frame to lift.
Furthermore, the sliding part is a cylindrical sliding block and is fixed at one end of the supporting rod; the guide rail is a guide plate with a sliding groove; the sliding groove extends along the width direction of the middle upper layer underframe; the cylindrical sliding block penetrates through the sliding groove. According to the structure, the sliding part can be a cylindrical sliding block, for example, the sliding block is welded at one end of the supporting rod, and the guide rail is a guide plate with a sliding groove; the sliding groove extends along the width direction of the middle upper layer underframe; the cylindrical sliding block penetrates through the sliding groove, and when the middle upper-layer underframe is lifted, the cylindrical sliding block can move along the width direction of the middle upper-layer underframe, so that the structure is simple and reliable, and the manufacturing cost is low.
Furthermore, the locking piece comprises a first hole lug arranged at one side of the middle upper layer underframe, a second hole lug arranged at one end of the support rod with the sliding piece and a locking pin; when the sliding piece slides to the edge of the middle upper layer chassis, the through holes of the first hole lug and the second hole lug are aligned, so that the lock pin can be inserted into the through holes of the first hole lug and the second hole lug, and the end, provided with the sliding piece, of the support rod is locked with the middle upper layer chassis. According to the structure, when the middle upper layer underframe is stably lifted by the middle upper layer underframe lifting device and the sliding piece slides to the edge of the middle upper layer underframe, the through holes of the first hole lug and the second hole lug are aligned, the lock pin can be inserted into the through holes of the first hole lug and the second hole lug, at the moment, the sliding piece cannot move, one end, provided with the sliding piece, of the support rod is locked with the middle upper layer underframe, and the middle upper layer underframe is stably locked by the middle upper layer underframe locking device. The lock pin can adopt a spring bolt or a self-locking pin. The middle upper layer bottom frame is supported by the support rod, so that the middle upper frame lifting device is prevented from being pressed during bearing.
Furthermore, the middle upper layer underframe is provided with a long hole arranged along the width direction; the long-strip hole is used for avoiding the interference between the second hole lug and the middle upper layer underframe in the sliding process of the sliding piece. According to the structure, the second hole lug can interfere with the middle upper layer chassis along with the sliding process of the sliding piece, so that the long hole is arranged to avoid the second hole lug; the second eyelet may extend into the elongated hole during movement.
Furthermore, the device also comprises middle upper frame reinforcing devices which correspond to the middle upper frame locking devices in number one by one; the upper middle frame reinforcing device comprises two reinforcing rods; two anchor strut one ends articulate respectively in the bracing piece both sides, and the other end respectively articulates on establishing the rotation seat at lower floor's chassis, makes two anchor strut can along with the bracing piece along middle part upper strata chassis width direction upset and avoid the bracing piece to overturn along middle part upper strata chassis length direction. As can be seen from the above structure, each upper middle frame locking device is provided with an upper middle frame reinforcing device, which comprises two reinforcing rods; reinforcing bar one end articulates in bracing piece one side, and the other end articulates on establishing the rotation seat at lower floor's chassis, and rotation seat and lower floor's chassis are articulated, and two reinforcing bars set up about the bracing piece symmetry, and two reinforcing bars can be along with the bracing piece along the upset of middle part upper strata chassis width direction and avoid the bracing piece to overturn along middle part upper strata chassis length direction, and when the transport vechicle longitudinal shock, the bracing piece received along the power of middle part upper strata chassis length direction upset, and two reinforcing bars have improved the stability of bracing piece.
Furthermore, the two sides of the middle upper layer underframe are provided with an upper middle underframe movable fence; the movable fence of the upper middle frame can be locked at an upturned position and can be stored at a downturned position. According to the structure, when the person operates, the movable fence of the upper middle frame is locked at the upturning position, so that the protection effect is achieved; the middle upper frame movable fence is connected to one side of the middle upper layer bottom frame through the hinge seat, so the middle upper frame movable fence can be turned over, matching through holes are drilled on the middle upper frame movable fence and the hinge seat, and the middle upper frame movable fence can be locked at the turning-over position by inserting the lock pin; when the movable fence of the upper middle frame needs to be folded downwards, the movable fence of the upper middle frame is folded to be approximately horizontal, so that the movable fence of the upper middle frame is prevented from being damaged when a container is loaded.
Furthermore, a container locking device is arranged on the middle upper layer underframe. With the above structure, the container locking device is used for supporting and fastening the container. For supporting and securing containers.
The utility model has the advantages that:
1. the utility model discloses a dual-purpose depressed center bottom elevating gear of car-container is used to transport vehicle has solved the defect that existing vehicle can only transport the car, has increased full chassis length container transportation function, and other goods are joined in marriage to the accessible container, have avoided empty wagon to return the fortune, have improved vehicle utilization and have rateed, for the user has reduced the cost of transportation, and economic benefits is showing. Can avoid the container collision, the structure is exquisite, convenient operation.
2. The utility model discloses a middle part chassis elevating gear for dual-purpose depressed center transport vechicle of car-container can satisfy oversize vehicle's transportation, has richened the transport vehicle kind.
3. The utility model discloses a dual-purpose concave bottom conveyer of car-container is with middle part chassis elevating gear has both realized the automobile transportation function, has satisfied the container loading function of full chassis length again, and the transport capacity keeps level with the flatcar, has avoided empty car to return to the transport, and the slack season is idle, makes vehicle utilization improve, and use cost reduces, has promoted the transportation ability of railway line.
4. The utility model discloses a middle part chassis elevating gear for dual-purpose depressed center transport vechicle of car-container, convenient operation has reduced operating personnel's intensity of labour laborsaving, safe and reliable.
Drawings
Fig. 1 is a schematic structural view of the middle chassis lifting device in a raised state, in which the movable rail of the upper chassis is in an upturned locking position;
fig. 2 is a left side view structural diagram of the middle chassis lifting device of the present invention in a raised state, wherein the movable rail of the upper middle frame is in an upturned locking position;
fig. 3 is a schematic view of the structure of the middle chassis lifting device in a front view in a descending state, wherein the movable fence of the upper middle frame is in a downward-turning storage position;
fig. 4 is a left side view structural diagram of the middle chassis lifting device of the present invention in a descending state, wherein the middle upper frame movable rail is in a downward-turning storage position;
FIG. 5 is a schematic view of the overall structure of the lower chassis of the present invention, wherein two middle chassis lifting devices are matched with one lower chassis;
FIG. 6 is a schematic view showing the two middle underframe lifting devices of the present invention cooperating with an integral lower underframe shaft;
FIG. 7 is a partial schematic view of FIG. 6;
FIG. 8 is a schematic view of the middle upper chassis axial measurement structure of the present invention;
fig. 9 is a schematic view of the overall structure of the lower chassis of the present invention, in which two middle chassis lifting devices are engaged to be in a fully lowered state;
FIG. 10 is a schematic structural view of a state in which two middle underframe lifting devices of the present invention are applied to a transport car;
FIG. 11 is a schematic structural view of a state in which two middle underframe lifting devices of the present invention are applied to a transport large truck;
fig. 12 is a structural diagram of a state in which two middle underframe lifting devices of the present invention are applied to a transport container;
in the drawings: 1-lower layer underframe, 2-middle upper layer underframe, 3-upper frame lifting device, 4-upper frame locking device, 5-concave bottom, 6-supporting rod, 7-sliding piece, 8-locking piece, 9-guide rail, 10-sliding chute, 11-first hole ear, 12-second hole ear, 13-strip hole, 14-upper frame reinforcing device, 15-reinforcing rod, 16-rotating seat, 17-upper frame movable fence and 18-container locking device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the following embodiments.
The first embodiment is as follows:
see figures 1-12. A middle underframe lifting device for an automobile-container dual-purpose concave bottom transport vehicle comprises a lower underframe 1, a middle upper underframe 2, an upper middle underframe lifting device 3 and an upper middle locking device 4; a concave bottom 5 is arranged in the middle of the lower-layer chassis 1; an upper middle frame lifting device 3 is arranged between the concave bottom 5 and the middle upper layer underframe 2; the middle upper frame lifting device 3 is used for controlling the middle upper frame 2 to vertically lift; the number of the upper middle frame locking devices 4 is at least four, and the upper middle frame locking devices are uniformly distributed on two sides of the middle upper layer bottom frame 2; the upper middle frame locking device 4 comprises a support rod 6, a sliding part 7, a locking part 8 and a guide rail 9; one end of the support rod 6 is hinged to one side of the lower-layer chassis 1, and the other end of the support rod is provided with a sliding part 7; the sliding part 7 is used for being matched with a guide rail 9 arranged below the middle upper-layer underframe 2 and sliding along the width direction of the middle upper-layer underframe 2; the locking piece 8 is used for locking the end of the support rod 6 provided with the sliding piece 7 and the middle upper layer bottom frame 2 when the sliding piece 7 slides to the edge of the middle upper layer bottom frame 2. According to the structure, the middle part of the lower-layer chassis 1 is provided with the concave bottom 5, when the middle upper-layer chassis 2 above the concave bottom 5 is driven by the upper middle-layer lifting device 3 to ascend by a certain height, some higher large SUV automobiles can be parked on the concave bottom 5, the space holding capacity of the transport vehicle is improved, after the ascending height of the middle upper-layer chassis 2 is determined, the middle upper-layer chassis 2 is locked by the upper middle-layer locking device 4, and the pressure of the automobiles parked on the middle upper-layer chassis 2 is avoided when the upper middle-layer lifting device 3 does not work. When the middle upper frame lifting device 3 drives the middle upper frame 2 to descend, the middle upper frame 2 can be finally supported on the lower frame 1; the upper middle frame lifting device 3 is always positioned between the concave bottom 5 and the middle upper layer bottom frame 2. This device makes the transport vechicle not only can double-deck transportation car, supports back on lower floor's chassis 1 as middle part upper strata chassis 2, can park trucd cart or container on middle part upper strata chassis 2, makes the transport vechicle can transport other goods, avoids the empty wagon to loopback. The vehicle can not be idle in slack season, and can not occupy the line, so the vehicle utilization rate is high, the use cost is reduced, and the transport capacity of the railway line is greatly improved. Because this transport vechicle does not have the roof, also does not have the side wall, so can not bump when the container loads, can the chassis full length transport container moreover, improve transport vechicle transport capacity and conveying efficiency. The problems of strong specificity, low utilization rate and high use cost of the existing special vehicle for the railway transportation car are solved. The number of the upper middle frame locking devices 4 is at least four, and the upper middle frame locking devices are uniformly distributed on two sides of the middle upper layer bottom frame 2; for example, two middle upper frame locking devices 4 are respectively arranged at one side of the middle upper layer underframe 2, and the middle upper frame locking devices 4 at the two sides are symmetrically arranged, so that the height of the middle upper layer underframe 2 is stably locked; the middle upper frame locking device 4 has simple structure, convenient use and good reliability; the upper middle frame locking device 4 comprises a support rod 6, a sliding part 7, a locking part 8 and a guide rail 9; one end of the support rod 6 is hinged to one side of the lower-layer chassis 1, and the other end of the support rod is provided with a sliding part 7; the sliding part 7 is used for being matched with a guide rail 9 arranged below the middle upper layer underframe 2 and sliding along the width direction of the middle upper layer underframe 2, and the guide rail 9 is arranged along the width direction of the middle upper layer underframe 2; therefore, when the middle upper chassis 2 is driven by the upper chassis lifting device 3 to ascend, the sliding part 7 is used for being matched with the guide rail 9 arranged below the middle upper chassis 2 and sliding to the edge of the middle upper chassis 2 along the width direction of the middle upper chassis 2, then the locking part 8 locks the end of the support rod 6 provided with the sliding part 7 with the middle upper chassis 2, the sliding part 7 cannot move, and the upper chassis locking device 4 locks the height stability of the middle upper chassis 2. When locking piece 8 is not locked, well upper mounting elevating gear 3 drives middle part upper strata chassis 2 and descends, then slider 7 cooperation sets up guide rail 9 in middle part upper strata chassis 2 below, and slide to middle part upper strata chassis 2 in the middle of 2 width direction along middle part upper strata chassis, final middle part upper strata chassis 2 supports on lower floor's chassis 1, there is not the barrier on middle part upper strata chassis 2 all the time and hinders the container loading, and have the multimodal intermodal ability, the transport efficiency is high, the cost of transportation is low. Wherein, the middle upper layer chassis 2 adopts a plate girder type structure.
Example two:
see figures 1-12. A middle underframe lifting device for an automobile-container dual-purpose concave bottom transport vehicle comprises a lower underframe 1, a middle upper underframe 2, an upper middle underframe lifting device 3 and an upper middle locking device 4; a concave bottom 5 is arranged in the middle of the lower-layer chassis 1; an upper middle frame lifting device 3 is arranged between the concave bottom 5 and the middle upper layer underframe 2; the middle upper frame lifting device 3 is used for controlling the middle upper frame 2 to vertically lift; the number of the upper middle frame locking devices 4 is at least four, and the upper middle frame locking devices are uniformly distributed on two sides of the middle upper layer bottom frame 2; the upper middle frame locking device 4 comprises a support rod 6, a sliding part 7, a locking part 8 and a guide rail 9; one end of the support rod 6 is hinged to one side of the lower-layer chassis 1, and the other end of the support rod is provided with a sliding part 7; the sliding part 7 is used for being matched with a guide rail 9 arranged below the middle upper-layer underframe 2 and sliding along the width direction of the middle upper-layer underframe 2; the locking piece 8 is used for locking the end of the support rod 6 provided with the sliding piece 7 and the middle upper layer bottom frame 2 when the sliding piece 7 slides to the edge of the middle upper layer bottom frame 2. According to the structure, the middle part of the lower-layer chassis 1 is provided with the concave bottom 5, when the middle upper-layer chassis 2 above the concave bottom 5 is driven by the upper middle-layer lifting device 3 to ascend by a certain height, some higher large SUV automobiles can be parked on the concave bottom 5, the space holding capacity of the transport vehicle is improved, after the ascending height of the middle upper-layer chassis 2 is determined, the middle upper-layer chassis 2 is locked by the upper middle-layer locking device 4, and the pressure of the automobiles parked on the middle upper-layer chassis 2 is avoided when the upper middle-layer lifting device 3 does not work. When the middle upper frame lifting device 3 drives the middle upper frame 2 to descend, the middle upper frame 2 can be finally supported on the lower frame 1; the upper middle frame lifting device 3 is always positioned between the concave bottom 5 and the middle upper layer bottom frame 2. This device makes the transport vechicle not only can double-deck transportation car, supports back on lower floor's chassis 1 as middle part upper strata chassis 2, can park trucd cart or container on middle part upper strata chassis 2, makes the transport vechicle can transport other goods, avoids the empty wagon to loopback. The vehicle can not be idle in slack season, and can not occupy the line, so the vehicle utilization rate is high, the use cost is reduced, and the transport capacity of the railway line is greatly improved. Because this transport vechicle does not have the roof, also does not have the side wall, so can not bump when the container loads, can the chassis full length transport container moreover, improve transport vechicle transport capacity and conveying efficiency. The problems of strong specificity, low utilization rate and high use cost of the existing special vehicle for the railway transportation car are solved. The number of the upper middle frame locking devices 4 is at least four, and the upper middle frame locking devices are uniformly distributed on two sides of the middle upper layer bottom frame 2; for example, two middle upper frame locking devices 4 are respectively arranged at one side of the middle upper layer underframe 2, and the middle upper frame locking devices 4 at the two sides are symmetrically arranged, so that the height of the middle upper layer underframe 2 is stably locked; the middle upper frame locking device 4 has simple structure, convenient use and good reliability; the upper middle frame locking device 4 comprises a support rod 6, a sliding part 7, a locking part 8 and a guide rail 9; one end of the support rod 6 is hinged to one side of the lower-layer chassis 1, and the other end of the support rod is provided with a sliding part 7; the sliding part 7 is used for being matched with a guide rail 9 arranged below the middle upper layer underframe 2 and sliding along the width direction of the middle upper layer underframe 2, and the guide rail 9 is arranged along the width direction of the middle upper layer underframe 2; therefore, when the middle upper chassis 2 is driven by the upper chassis lifting device 3 to ascend, the sliding part 7 is used for being matched with the guide rail 9 arranged below the middle upper chassis 2 and sliding to the edge of the middle upper chassis 2 along the width direction of the middle upper chassis 2, then the locking part 8 locks the end of the support rod 6 provided with the sliding part 7 with the middle upper chassis 2, the sliding part 7 cannot move, and the upper chassis locking device 4 locks the height stability of the middle upper chassis 2. When locking piece 8 is not locked, well upper mounting elevating gear 3 drives middle part upper strata chassis 2 and descends, then slider 7 cooperation sets up guide rail 9 in middle part upper strata chassis 2 below, and slide to middle part upper strata chassis 2 in the middle of 2 width direction along middle part upper strata chassis, final middle part upper strata chassis 2 supports on lower floor's chassis 1, there is not the barrier on middle part upper strata chassis 2 all the time and hinders the container loading, and have the multimodal intermodal ability, the transport efficiency is high, the cost of transportation is low. Wherein, the middle upper layer chassis 2 adopts a plate girder type structure.
The number of the upper middle frame lifting devices 3 is at least four, and the upper middle frame lifting devices are uniformly distributed on two sides of the middle upper layer bottom frame 2. According to the structure, for example, the number of the middle upper frame lifting devices 3 can be four, one side of the middle upper frame 2 is two, and the middle upper frame lifting devices 3 on the two sides are symmetrically arranged, so that the middle upper frame 2 is stably lifted or lowered by the middle upper frame lifting devices 3.
The middle upper frame lifting device 3 is a telescopic air cylinder or a telescopic hydraulic cylinder. According to the structure, the middle and upper frame lifting device 3 can adopt the telescopic cylinder or the telescopic hydraulic cylinder, the control is simple, in addition, the middle and upper frame lifting device 3 is prevented from being out of work and being locked by the height of the middle and upper frame 2, the pressure of the automobile parked on the middle and upper frame 2 is avoided, the telescopic cylinder or the telescopic hydraulic cylinder is protected, the telescopic cylinder or the telescopic hydraulic cylinder with large specification is not required to be equipped for lifting force, the required lifting force is small, and the cost is saved. The telescopic cylinder or the telescopic hydraulic cylinder always has a length, and the concave bottom 5 provides the accommodating space. The concave bottom 5 is a concave part in the middle of the lower chassis 1 and comprises a concave bottom surface and two side walls connected with the bottom surface. The middle upper frame lifting device 3 can also adopt other existing lifting structures matched with a gear rack, the middle upper frame lifting device 3 can be a telescopic air cylinder or a telescopic hydraulic cylinder, and the stroke of a multi-stage telescopic cylinder can be utilized to enable the middle upper frame lifting device 3 to drive the middle upper layer underframe 2 to descend to the lower layer underframe 1, so that the loading requirement of a 1AAA wide high box is met.
The cylinder barrel of the upper middle frame lifting device 3 is fixed with the lower layer underframe 1 and is used for ensuring that the telescopic direction is vertical; the telescopic end part of the upper middle frame lifting device 3 is hinged with the middle upper layer bottom frame 2, and the end part of the cylinder barrel is hinged with the concave bottom 5. According to the structure, the cylinder barrel of the upper middle frame lifting device 3 is fixed with the lower bottom frame 1 and is used for ensuring that the telescopic direction is vertical, so that the middle upper bottom frame 2 can stably and vertically ascend or descend; because the middle upper frame lifting device 3 is a telescopic air cylinder or a telescopic hydraulic cylinder, the middle upper frame lifting device 3 is provided with a telescopic end part and a cylinder barrel end part, the telescopic end part of the middle upper frame lifting device 3 is hinged with the middle upper layer bottom frame 2, the cylinder barrel end part is hinged with the concave bottom 5, and the middle upper frame lifting device 3 can drive the middle upper layer bottom frame 2 to lift.
The sliding piece 7 is a cylindrical sliding block and is fixed at one end of the supporting rod 6; the guide rail 9 is a guide plate with a sliding groove 10; the sliding groove 10 extends along the width direction of the middle upper layer underframe 2; the cylindrical slider penetrates the sliding groove 10. With the above structure, the sliding member 7 can be a cylindrical sliding block, for example, welded to one end of the support rod 6, and the guide rail 9 is a guide plate with a sliding slot 10; the sliding groove 10 extends along the width direction of the middle upper layer underframe 2; the cylindrical sliding block penetrates through the sliding groove 10, and when the middle upper-layer underframe 2 goes up and down, the cylindrical sliding block can move along the width direction of the middle upper-layer underframe 2, so that the structure is simple and reliable, and the manufacturing cost is low.
The locking piece 8 comprises a first hole lug 11 arranged at one side of the middle upper layer underframe 2, a second hole lug 12 arranged at one end of the support rod 6 with the sliding piece 7 and a lock pin; when the sliding part 7 slides to the edge of the middle upper layer chassis 2, the through holes of the first hole lug 11 and the second hole lug 12 are aligned, so that the lock pin can be inserted into the through holes of the first hole lug 11 and the second hole lug 12, and the end of the support rod 6 provided with the sliding part 7 is locked with the middle upper layer chassis 2. With the above structure, when the middle upper chassis 2 is stably lifted by the upper chassis lifting device 3 and the sliding member 7 slides to the edge of the middle upper chassis 2, the through holes of the first hole lug 11 and the second hole lug 12 are aligned, the lock pin can be inserted into the through holes of the first hole lug 11 and the second hole lug 12, and at this time, the sliding member 7 cannot move, and the end of the support rod 6 provided with the sliding member 7 is locked with the middle upper chassis 2, that is, the upper chassis locking device 4 stably locks the height of the middle upper chassis 2. The lock pin can adopt a spring bolt or a self-locking pin. The middle upper layer underframe 2 is supported by the support rod 6, so that the middle upper frame lifting device 3 is prevented from being pressed when bearing.
Example three:
see figures 1-12. A middle underframe lifting device for an automobile-container dual-purpose concave bottom transport vehicle comprises a lower underframe 1, a middle upper underframe 2, an upper middle underframe lifting device 3 and an upper middle locking device 4; a concave bottom 5 is arranged in the middle of the lower-layer chassis 1; an upper middle frame lifting device 3 is arranged between the concave bottom 5 and the middle upper layer underframe 2; the middle upper frame lifting device 3 is used for controlling the middle upper frame 2 to vertically lift; the number of the upper middle frame locking devices 4 is at least four, and the upper middle frame locking devices are uniformly distributed on two sides of the middle upper layer bottom frame 2; the upper middle frame locking device 4 comprises a support rod 6, a sliding part 7, a locking part 8 and a guide rail 9; one end of the support rod 6 is hinged to one side of the lower-layer chassis 1, and the other end of the support rod is provided with a sliding part 7; the sliding part 7 is used for being matched with a guide rail 9 arranged below the middle upper-layer underframe 2 and sliding along the width direction of the middle upper-layer underframe 2; the locking piece 8 is used for locking the end of the support rod 6 provided with the sliding piece 7 and the middle upper layer bottom frame 2 when the sliding piece 7 slides to the edge of the middle upper layer bottom frame 2. According to the structure, the middle part of the lower-layer chassis 1 is provided with the concave bottom 5, when the middle upper-layer chassis 2 above the concave bottom 5 is driven by the upper middle-layer lifting device 3 to ascend by a certain height, some higher large SUV automobiles can be parked on the concave bottom 5, the space holding capacity of the transport vehicle is improved, after the ascending height of the middle upper-layer chassis 2 is determined, the middle upper-layer chassis 2 is locked by the upper middle-layer locking device 4, and the pressure of the automobiles parked on the middle upper-layer chassis 2 is avoided when the upper middle-layer lifting device 3 does not work. When the middle upper frame lifting device 3 drives the middle upper frame 2 to descend, the middle upper frame 2 can be finally supported on the lower frame 1; the upper middle frame lifting device 3 is always positioned between the concave bottom 5 and the middle upper layer bottom frame 2. This device makes the transport vechicle not only can double-deck transportation car, supports back on lower floor's chassis 1 as middle part upper strata chassis 2, can park trucd cart or container on middle part upper strata chassis 2, makes the transport vechicle can transport other goods, avoids the empty wagon to loopback. The vehicle can not be idle in slack season, and can not occupy the line, so the vehicle utilization rate is high, the use cost is reduced, and the transport capacity of the railway line is greatly improved. Because this transport vechicle does not have the roof, also does not have the side wall, so can not bump when the container loads, can the chassis full length transport container moreover, improve transport vechicle transport capacity and conveying efficiency. The problems of strong specificity, low utilization rate and high use cost of the existing special vehicle for the railway transportation car are solved. The number of the upper middle frame locking devices 4 is at least four, and the upper middle frame locking devices are uniformly distributed on two sides of the middle upper layer bottom frame 2; for example, two middle upper frame locking devices 4 are respectively arranged at one side of the middle upper layer underframe 2, and the middle upper frame locking devices 4 at the two sides are symmetrically arranged, so that the height of the middle upper layer underframe 2 is stably locked; the middle upper frame locking device 4 has simple structure, convenient use and good reliability; the upper middle frame locking device 4 comprises a support rod 6, a sliding part 7, a locking part 8 and a guide rail 9; one end of the support rod 6 is hinged to one side of the lower-layer chassis 1, and the other end of the support rod is provided with a sliding part 7; the sliding part 7 is used for being matched with a guide rail 9 arranged below the middle upper layer underframe 2 and sliding along the width direction of the middle upper layer underframe 2, and the guide rail 9 is arranged along the width direction of the middle upper layer underframe 2; therefore, when the middle upper chassis 2 is driven by the upper chassis lifting device 3 to ascend, the sliding part 7 is used for being matched with the guide rail 9 arranged below the middle upper chassis 2 and sliding to the edge of the middle upper chassis 2 along the width direction of the middle upper chassis 2, then the locking part 8 locks the end of the support rod 6 provided with the sliding part 7 with the middle upper chassis 2, the sliding part 7 cannot move, and the upper chassis locking device 4 locks the height stability of the middle upper chassis 2. When locking piece 8 is not locked, well upper mounting elevating gear 3 drives middle part upper strata chassis 2 and descends, then slider 7 cooperation sets up guide rail 9 in middle part upper strata chassis 2 below, and slide to middle part upper strata chassis 2 in the middle of 2 width direction along middle part upper strata chassis, final middle part upper strata chassis 2 supports on lower floor's chassis 1, there is not the barrier on middle part upper strata chassis 2 all the time and hinders the container loading, and have the multimodal intermodal ability, the transport efficiency is high, the cost of transportation is low. Wherein, the middle upper layer chassis 2 adopts a plate girder type structure.
The number of the upper middle frame lifting devices 3 is at least four, and the upper middle frame lifting devices are uniformly distributed on two sides of the middle upper layer bottom frame 2. According to the structure, for example, the number of the middle upper frame lifting devices 3 can be four, one side of the middle upper frame 2 is two, and the middle upper frame lifting devices 3 on the two sides are symmetrically arranged, so that the middle upper frame 2 is stably lifted or lowered by the middle upper frame lifting devices 3.
The middle upper frame lifting device 3 is a telescopic air cylinder or a telescopic hydraulic cylinder. According to the structure, the middle and upper frame lifting device 3 can adopt the telescopic cylinder or the telescopic hydraulic cylinder, the control is simple, in addition, the middle and upper frame lifting device 3 is prevented from being out of work and being locked by the height of the middle and upper frame 2, the pressure of the automobile parked on the middle and upper frame 2 is avoided, the telescopic cylinder or the telescopic hydraulic cylinder is protected, the telescopic cylinder or the telescopic hydraulic cylinder with large specification is not required to be equipped for lifting force, the required lifting force is small, and the cost is saved. The telescopic cylinder or the telescopic hydraulic cylinder always has a length, and the concave bottom 5 provides the accommodating space. The concave bottom 5 is a concave part in the middle of the lower chassis 1 and comprises a concave bottom surface and two side walls connected with the bottom surface. The middle upper frame lifting device 3 can also adopt other existing lifting structures matched with a gear rack, the middle upper frame lifting device 3 can be a telescopic air cylinder or a telescopic hydraulic cylinder, and the stroke of a multi-stage telescopic cylinder can be utilized to enable the middle upper frame lifting device 3 to drive the middle upper layer underframe 2 to descend to the lower layer underframe 1, so that the loading requirement of a 1AAA wide high box is met.
The cylinder barrel of the upper middle frame lifting device 3 is fixed with the lower layer underframe 1 and is used for ensuring that the telescopic direction is vertical; the telescopic end part of the upper middle frame lifting device 3 is hinged with the middle upper layer bottom frame 2, and the end part of the cylinder barrel is hinged with the concave bottom 5. According to the structure, the cylinder barrel of the upper middle frame lifting device 3 is fixed with the lower bottom frame 1 and is used for ensuring that the telescopic direction is vertical, so that the middle upper bottom frame 2 can stably and vertically ascend or descend; because the middle upper frame lifting device 3 is a telescopic air cylinder or a telescopic hydraulic cylinder, the middle upper frame lifting device 3 is provided with a telescopic end part and a cylinder barrel end part, the telescopic end part of the middle upper frame lifting device 3 is hinged with the middle upper layer bottom frame 2, the cylinder barrel end part is hinged with the concave bottom 5, and the middle upper frame lifting device 3 can drive the middle upper layer bottom frame 2 to lift.
The sliding piece 7 is a cylindrical sliding block and is fixed at one end of the supporting rod 6; the guide rail 9 is a guide plate with a sliding groove 10; the sliding groove 10 extends along the width direction of the middle upper layer underframe 2; the cylindrical slider penetrates the sliding groove 10. With the above structure, the sliding member 7 can be a cylindrical sliding block, for example, welded to one end of the support rod 6, and the guide rail 9 is a guide plate with a sliding slot 10; the sliding groove 10 extends along the width direction of the middle upper layer underframe 2; the cylindrical sliding block penetrates through the sliding groove 10, and when the middle upper-layer underframe 2 goes up and down, the cylindrical sliding block can move along the width direction of the middle upper-layer underframe 2, so that the structure is simple and reliable, and the manufacturing cost is low.
The locking piece 8 comprises a first hole lug 11 arranged at one side of the middle upper layer underframe 2, a second hole lug 12 arranged at one end of the support rod 6 with the sliding piece 7 and a lock pin; when the sliding part 7 slides to the edge of the middle upper layer chassis 2, the through holes of the first hole lug 11 and the second hole lug 12 are aligned, so that the lock pin can be inserted into the through holes of the first hole lug 11 and the second hole lug 12, and the end of the support rod 6 provided with the sliding part 7 is locked with the middle upper layer chassis 2. With the above structure, when the middle upper chassis 2 is stably lifted by the upper chassis lifting device 3 and the sliding member 7 slides to the edge of the middle upper chassis 2, the through holes of the first hole lug 11 and the second hole lug 12 are aligned, the lock pin can be inserted into the through holes of the first hole lug 11 and the second hole lug 12, and at this time, the sliding member 7 cannot move, and the end of the support rod 6 provided with the sliding member 7 is locked with the middle upper chassis 2, that is, the upper chassis locking device 4 stably locks the height of the middle upper chassis 2. The lock pin can adopt a spring bolt or a self-locking pin. The middle upper layer underframe 2 is supported by the support rod 6, so that the middle upper frame lifting device 3 is prevented from being pressed when bearing.
The middle upper layer underframe 2 is provided with a strip hole 13 arranged along the width direction; the elongated hole 13 is used to avoid interference between the second eyelet 12 and the middle upper chassis 2 during sliding of the slider 7. As can be seen from the above structure, since the second eyelet 12 interferes with the middle upper chassis 2 during the sliding process of the slider 7, the elongated hole 13 is provided to avoid the second eyelet 12; the second eyelet 12 may extend into the elongated hole 13 during movement.
The upper middle frame reinforcing devices 14 are in one-to-one correspondence to the number of the upper middle frame locking devices 4; the upper middle frame reinforcing device 14 comprises two reinforcing rods 15; two reinforcing rods 15 one end articulate respectively in bracing piece 6 both sides, and the other end respectively articulates on establishing the rotation seat 16 of lower floor's chassis 1, makes two reinforcing rods 15 can overturn and avoid bracing piece 6 to overturn along middle part upper strata chassis 2 length direction along middle part upper strata chassis 2 width direction along with bracing piece 6. As can be seen from the above structure, each upper middle frame locking device 4 is provided with an upper middle frame reinforcing device 14, and the upper middle frame reinforcing device 14 comprises two reinforcing rods 15; reinforcing rod 15 one end articulates in bracing piece 6 one side, the other end articulates on establishing the rotation seat 16 at lower floor's chassis 1, it is articulated with lower floor's chassis 1 to rotate seat 16, two reinforcing rods 15 set up about bracing piece 6 symmetry, two reinforcing rods 15 can be along with bracing piece 6 along the upset of 2 width direction on middle part upper strata chassis and avoid bracing piece 6 along the upset of 2 length direction on middle part upper strata chassis, when the transport vechicle vertically strikes, bracing piece 6 receives the power along the upset of 2 length direction on middle part upper strata chassis, two reinforcing rods 15 have improved the stability of bracing piece 6.
The two sides of the middle upper layer underframe 2 are both provided with an upper middle underframe movable fence 17; the upper middle movable rail 17 can be locked at an upturned position and can be stored at a downturned position. According to the structure, when the person operates, the movable rail 17 of the upper middle frame is locked at the upturning position to play a role of protection; the movable fence 17 of the upper middle frame is connected to one side of the middle upper layer underframe 2 through a hinged seat, so the movable fence 17 of the upper middle frame can be turned over, matching through holes are drilled on the movable fence 17 of the upper middle frame and the hinged seat, and the movable fence 17 of the upper middle frame can be locked at the turning-over position by inserting a lock pin; when the movable fence 17 of the upper middle frame needs to be folded down to be stored, the movable fence 17 of the upper middle frame is folded to be approximately horizontal to be stored, and the container is prevented from being damaged when being loaded. And (4) flattening.
And a container locking device 18 is arranged on the middle upper layer underframe 2. As can be seen from the above structure, the container locking device 18 is used for supporting and securing a container. The container is fastened.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. The utility model provides a middle part chassis elevating gear for dual-purpose depressed center transport vechicle of car-container which characterized in that: comprises a lower-layer underframe (1), a middle upper-layer underframe (2), an upper-middle-frame lifting device (3) and an upper-middle-frame locking device (4); a concave bottom (5) is arranged in the middle of the lower-layer chassis (1); an upper middle frame lifting device (3) is arranged between the concave bottom (5) and the middle upper layer underframe (2); the middle upper frame lifting device (3) is used for controlling the middle upper frame (2) to vertically lift; the number of the upper middle frame locking devices (4) is at least four, and the upper middle frame locking devices are uniformly distributed on two sides of the middle upper layer underframe (2); the upper middle frame locking device (4) comprises a support rod (6), a sliding piece (7), a locking piece (8) and a guide rail (9); one end of the supporting rod (6) is hinged to one side of the lower-layer chassis (1), and the other end of the supporting rod is provided with a sliding part (7); the sliding piece (7) is used for being matched with a guide rail (9) arranged below the middle upper layer underframe (2) and sliding along the width direction of the middle upper layer underframe (2); and the locking piece (8) is used for locking one end of the support rod (6) provided with the sliding piece (7) with the middle upper layer chassis (2) when the sliding piece (7) slides to the edge of the middle upper layer chassis (2).
2. The middle chassis lifting device for the automobile-container dual-purpose depressed center transport vehicle as claimed in claim 1, wherein: the number of the upper middle frame lifting devices (3) is at least four, and the upper middle frame lifting devices are uniformly distributed on two sides of the middle upper layer bottom frame (2).
3. The middle chassis lifting device for the automobile-container dual-purpose depressed center transport vehicle as claimed in claim 2, wherein: the middle upper frame lifting device (3) is a telescopic air cylinder or a telescopic hydraulic cylinder.
4. The middle chassis lifting device for the automobile-container dual-purpose depressed center transport vehicle as claimed in claim 3, wherein: the cylinder barrel of the upper middle frame lifting device (3) is fixed with the lower layer underframe (1) and used for ensuring that the stretching direction is vertical; the telescopic end part of the middle upper frame lifting device (3) is hinged with the middle upper layer underframe (2), and the end part of the cylinder barrel is hinged with the concave bottom (5).
5. The middle chassis lifting device for the automobile-container dual-purpose depressed center transport vehicle as claimed in claim 1, wherein: the sliding part (7) is a cylindrical sliding block and is fixed at one end of the supporting rod (6); the guide rail (9) is a guide plate with a sliding groove (10); the sliding groove (10) extends along the width direction of the middle upper-layer underframe (2); the cylindrical sliding block penetrates through the sliding groove (10).
6. The middle chassis lifting device for the automobile-container dual-purpose depressed center transport vehicle as claimed in claim 1, wherein: the locking piece (8) comprises a first hole lug (11) arranged on one side of the middle upper chassis (2), a second hole lug (12) arranged at one end of the support rod (6) with the sliding piece (7) and a lock pin; when the sliding piece (7) slides to the edge of the middle upper layer chassis (2), the through holes of the first hole lug (11) and the second hole lug (12) are aligned, so that the lock pin can be inserted into the through holes of the first hole lug (11) and the second hole lug (12), and one end, provided with the sliding piece (7), of the support rod (6) is locked with the middle upper layer chassis (2).
7. The middle chassis lifting device for the automobile-container dual-purpose depressed center transport vehicle as claimed in claim 6, wherein: the middle upper layer underframe (2) is provided with a strip hole (13) arranged along the width direction; the long hole (13) is used for avoiding the interference between the second hole lug (12) and the middle upper layer chassis (2) in the sliding process of the sliding piece (7).
8. The middle chassis lifting device for the automobile-container dual-purpose depressed center transport vehicle as claimed in claim 1, wherein: the middle upper frame reinforcing devices (14) are in one-to-one correspondence to the number of the middle upper frame locking devices (4); the upper middle frame reinforcing device (14) comprises two reinforcing rods (15); two strengthening rods (15) one end articulate respectively in bracing piece (6) both sides, and the other end respectively articulates on establishing rotation seat (16) in lower floor's chassis (1), makes two strengthening rods (15) can be along with bracing piece (6) along middle part upper strata chassis (2) width direction upset and avoid bracing piece (6) along middle part upper strata chassis (2) length direction upset.
9. The middle chassis lifting device for the automobile-container dual-purpose depressed center transport vehicle as claimed in claim 1, wherein: both sides of the middle upper layer underframe (2) are provided with middle upper frame movable fences (17); the movable fence (17) of the upper middle frame can be locked at an upturned position and can be stored at a downturned position.
10. The middle chassis lifting device for the automobile-container dual-purpose depressed center transport vehicle as claimed in claim 1, wherein: and a container locking device (18) is arranged on the middle upper layer underframe (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020825783.8U CN212195435U (en) | 2020-05-18 | 2020-05-18 | Middle chassis lifting device for automobile-container dual-purpose concave bottom transport vehicle |
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| CN202020825783.8U CN212195435U (en) | 2020-05-18 | 2020-05-18 | Middle chassis lifting device for automobile-container dual-purpose concave bottom transport vehicle |
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| CN212195435U true CN212195435U (en) | 2020-12-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452813A (en) * | 2020-05-18 | 2020-07-28 | 中车眉山车辆有限公司 | Middle chassis lifting device for automobile-container dual-purpose concave bottom transport vehicle |
| CN113232684A (en) * | 2021-06-11 | 2021-08-10 | 中车眉山车辆有限公司 | Rotary cab apron assembly |
-
2020
- 2020-05-18 CN CN202020825783.8U patent/CN212195435U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452813A (en) * | 2020-05-18 | 2020-07-28 | 中车眉山车辆有限公司 | Middle chassis lifting device for automobile-container dual-purpose concave bottom transport vehicle |
| CN111452813B (en) * | 2020-05-18 | 2024-04-19 | 中车眉山车辆有限公司 | Middle underframe lifting device for automobile-container dual-purpose concave bottom transport vehicle |
| CN113232684A (en) * | 2021-06-11 | 2021-08-10 | 中车眉山车辆有限公司 | Rotary cab apron assembly |
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