CN219384646U - Lifting device and humpback car equipment - Google Patents
Lifting device and humpback car equipment Download PDFInfo
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- CN219384646U CN219384646U CN202320442123.5U CN202320442123U CN219384646U CN 219384646 U CN219384646 U CN 219384646U CN 202320442123 U CN202320442123 U CN 202320442123U CN 219384646 U CN219384646 U CN 219384646U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The application discloses lifting device and humpback car equipment, which comprises a base and a supporting seat, wherein at least one group of supporting rod assemblies and a driving part are arranged between the base and the supporting seat, each supporting rod assembly comprises a first supporting rod and a second supporting rod which are crossed and hinged, and the driving part is used for driving the supporting rod assemblies to lift; the base is provided with two relative first curb plates, and first curb plate is provided with first spout, and the supporting seat is provided with two relative second curb plates, and the second curb plate is provided with the second spout, and the lower extreme of first bracing piece is through the first round pin axle sliding connection of inserting first spout in corresponding first curb plate, and the upper end of second bracing piece is through the second round pin axle sliding connection of inserting the second spout in corresponding second curb plate, and first curb plate and/or second curb plate are provided with the baffle, and the baffle seals the outside of first spout or second spout. The lifting device can improve the clamping stagnation problem in the lifting process.
Description
Technical Field
The utility model relates to the technical field of lifting equipment, in particular to a lifting device and humpback car equipment.
Background
Referring to fig. 11-13, fig. 11 is a schematic view of a lifting device; FIG. 12 is a schematic view of the lifting device of FIG. 11 in a highest position; fig. 13 is a schematic view of the lifting device of fig. 11 in a lowermost position.
The lifting device comprises a base 02 and a supporting seat 01, wherein a supporting rod assembly is arranged between the base 02 and the supporting seat 01, the supporting rod assembly comprises a first supporting rod 051 and a second supporting rod 052, the first supporting rod 051 and the second supporting rod 052 can slide in a sliding groove 02a of the base 02 and a sliding groove 01a of the supporting seat 01 respectively through pin shafts, and a locating pin 06 is arranged at the top of the supporting seat 01 and used for being matched with a locating hole of lifted equipment. The lifting device is also provided with a rocker 07, a push rod 04 and an oil cylinder 03, wherein the push rod 04 is L-shaped.
As shown in fig. 2 and 3, when the lifting device is in the highest position state, when the push rod of the oil cylinder 03 moves to the right, the right end of the push rod 04 moves to the right, the pin shaft of the first support rod 051 is driven to move to the rightmost end of the chute 02a to stop, the left end rotates clockwise around the position where the rocker 07 is hinged to the base 2, and meanwhile, the pin shaft at the upper end of the second support rod 052 also moves to the rightmost end of the second chute 01a, and at the moment, the lifting device descends to the lowest position.
When the lifting device is in the lowest position state, when the push rod of the oil cylinder 03 moves leftwards, the right end of the push rod 04 moves leftwards relative to the chute 02a until the pin shaft of the first support rod 051 moves to the leftmost end of the chute 02a to stop, the left end of the push rod 04 rotates anticlockwise around the position where the rocker 07 is hinged to the base 02, meanwhile, the upper end of the second support rod 052 also moves to the leftmost end of the chute 01a, and at the moment, the lifting device 100 rises to the highest position.
However, in the practical application process, the supporting rod component of the lifting device is easy to be blocked in the telescopic lifting process.
Disclosure of Invention
The purpose of the application is to provide a lifting device and humpback car equipment, can improve the clamping stagnation problem in the lifting process.
The application also provides a lifting device, which comprises a base and a supporting seat, wherein at least one group of supporting rod assemblies and a driving part are arranged between the base and the supporting seat, each supporting rod assembly comprises a first supporting rod and a second supporting rod which are crossed and hinged, and the driving part is used for driving the supporting rod assemblies to lift; the base is provided with two relative first curb plates, first curb plate is provided with first spout, the supporting seat is provided with two relative second curb plates, the second curb plate is provided with the second spout, the lower extreme of first bracing piece is through inserting the first round pin axle sliding connection of first spout is in corresponding first curb plate, the upper end of second bracing piece is through inserting the second round pin axle sliding connection of second spout is in corresponding second curb plate, first curb plate and/or second curb plate is provided with the baffle, the baffle seals the outside of first spout or second spout.
In a specific embodiment, the lifting device is provided with two or more groups of support rod assemblies, the first pin shafts penetrate through the lower ends of all the first support rods and the first side plates on two sides at the same time, and the baffle plates are arranged on the first side plates on two sides.
In one embodiment, a washer is provided at a crossing position of the first support bar and the second support bar.
In one specific embodiment, the first supporting rod is provided with two first rollers, the base comprises a bottom plate, and the two first rollers are supported on the bottom plate; the two first rollers are respectively arranged on two sides of the first supporting rod, and the first pin shaft penetrates through the first supporting rod and the two first rollers.
In one embodiment, the first support bar is positioned inside the second support bar in the support bar assembly; and/or, the upper end of the first supporting rod is connected with the supporting seat through a fourth pin shaft of the pin shaft, the lower end of the second supporting rod is connected with the base through a third pin shaft, the base is provided with a double pin hole seat matched with the third pin shaft, the supporting seat is provided with a double pin hole seat matched with the fourth pin shaft, and the upper end of the second supporting rod is provided with a double pin hole seat matched with the second pin shaft.
In a specific embodiment, the second supporting rod is provided with a second roller, the second roller can roll along the supporting seat, and the second roller is located between the double pin hole seats.
In a specific embodiment, the crossing position of the first support rod and the second support rod is connected through a third pin shaft, the third pin shaft comprises a rod body, one end of the rod body is provided with a blocking cover, and the side wall of the other end of the rod body is provided with a clamping groove; the support rod assembly further comprises a limiting plate and a locking bolt, at least part of the limiting plate is clamped into the clamping groove, and the limiting plate is fixed on the first support rod or the second support rod through the locking bolt.
In a specific embodiment, the driving part is a hydraulic cylinder, and the base comprises a bottom plate, and the bottom plate is provided with a mounting seat for mounting a cylinder body of the hydraulic cylinder.
In one specific embodiment, the base comprises a bottom plate, two first side plates are arranged on two sides of the bottom plate, the support base comprises a top plate, and two second side plates are arranged on two sides of the top plate; the first side plate is in welded connection with the bottom plate, and the second side plate is in welded connection with the top plate.
The present application also provides a humpback truck apparatus comprising a humpback truck and a lifting device as described in any of the preceding claims, the humpback truck comprising an end chassis, the lifting device being for lifting the end chassis.
In the application, the base and the supporting seat are provided with the sliding groove for the first pin shaft and the second pin shaft to slide, and the arranged baffle is blocked outside the sliding groove, so that interference and clamping stagnation of the first pin shaft and/or the second pin shaft and other structures can be improved or avoided when lifting equipment to be lifted.
Drawings
FIG. 1 is a schematic view of a humpback vehicle apparatus in an embodiment of the present application;
FIG. 2 is a front view of the humpback apparatus of FIG. 1;
FIG. 3 is a schematic view of the lifting device of FIG. 1;
FIG. 4 is a schematic view of the base of the lift of FIG. 3;
FIG. 5 is a schematic view of a support base of the lifting device of FIG. 3;
FIG. 6 is a schematic view of the first and second support rods of the support rod assembly of FIG. 3 mated;
FIG. 7 is a schematic view of the first support bar of FIG. 3;
FIG. 8 is a schematic view of the second support bar of FIG. 3;
FIG. 9 is a schematic view of the lifting device of FIG. 3 in a highest position;
fig. 10 is a schematic view of the lifting device of fig. 3 in a lowermost position.
FIG. 11 is a schematic view of a lifting device;
FIG. 12 is a schematic view of the lifting device of FIG. 11 in a highest position;
fig. 13 is a schematic view of the lifting device of fig. 11 in a lowermost position.
Detailed Description
In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.
Referring to fig. 1-3, fig. 1 is a schematic diagram of a humpback vehicle device according to an embodiment of the present application; FIG. 2 is a front view of the humpback apparatus of FIG. 1; fig. 3 is a schematic view of the lifting device 100 in fig. 1.
The lifting device 100 in this embodiment is particularly used for lifting the end chassis 200 of a humpback vehicle, and it is understood that the lifting device 100 may also be used for lifting other equipment. The lifting device 100 is placed under both ends of the humpback car in fig. 1, so that the end chassis 200 can be lifted.
As shown in fig. 3, the lifting device 100 in this embodiment includes a base 2, a supporting seat 1, and a driving portion, and at least one set of supporting rod assemblies 5 is disposed between the base 2 and the supporting seat 1. The following details the respective parts:
as shown in fig. 4, fig. 4 is a schematic view of the base 2 of the lifting device 100 in fig. 3.
The base 2 comprises a bottom plate 21, the base 2 is further provided with two opposite first side plates 22, and the two first side plates 22 are specifically arranged on two sides of the base 2. The first side plate 22 is provided with a first chute 22a, in fig. 4, the first chute 22a is a through hole structure penetrating through the inside and the outside of the first side plate 22, and a baffle 24 is further provided, the baffle 24 seals the outside of the first chute 22a, and the direction of the inside and the outside, i.e. the direction approaching between the two first side plates 22 is the inside, and the opposite is the outside. The baffle 24 may be removably secured to the first side plate 22 by fasteners such as screws, bolts, or the like.
Referring to fig. 5 again, fig. 5 is a schematic view of the supporting seat 1 of the lifting device 100 in fig. 3.
The supporting seat 1 is provided with a top plate 11, the supporting seat 1 is also provided with two opposite second side plates 12, and the two second side plates 12 are arranged on two sides of the top plate 11. The second side plate 12 is provided with a second chute 12a, and in fig. 5, the second chute 12a is a through hole structure penetrating through the inside and the outside of the second side plate 12, wherein the direction of the inside and the outside, i.e. the direction approaching between the two second side plates 12, is the inside, and the opposite is the outside.
The supporting rod assembly 5 in this embodiment includes a first supporting rod 51 and a second supporting rod 52 which are cross-connected, that is, the middle parts of the first supporting rod 51 and the second supporting rod 52 are hinged together to form an X-shaped assembly, so that the top ends/bottom ends of the first supporting rod 51 and the second supporting rod 52 can be close to each other or separated from each other in the telescopic process, thereby realizing ascending or folding descending, and then driving the supporting seat 1 to ascend and descend, the equipment to be lifted can be supported on the supporting seat 1, and the end underframe 200 of the humpback car in fig. 1 is supported on the supporting seat 1. As shown in fig. 5, the top plate 11 of the supporting seat 1 may be provided with a positioning pin 6, and the equipment to be lifted may be provided with a corresponding positioning hole, so as to ensure stability in the lifting or descending process, and it is known that the top plate 11 is provided with a positioning hole, and the equipment to be lifted may also be provided with a positioning pin.
Referring again to fig. 3, in this embodiment, the lower end of the first support rod 51 is slidably connected to the corresponding first side plate 22 through a first pin (not shown) inserted into the first chute 22a, the upper end of the second support rod 52 is slidably connected to the corresponding second side plate 12 through a second pin 57 inserted into the second chute 12a, the lower end of the second support rod 52 is hinged to the base 2 through a third pin 54, and in particular, may be hinged to the first side plate 22 of the base 2, and the upper end of the first support rod 51 is hinged to the support base 1 through a fourth pin 58. The driving part in this embodiment is used for driving the support rod assembly 5 to stretch and retract, and the driving part may be the hydraulic cylinder 3 illustrated in fig. 3, or may be other driving structures, such as a motor and a gear-rack transmission assembly, etc. In fig. 3, the support bar assembly 5 is in a raised position, and the first pin and the second pin 57 are located at the leftmost side of the corresponding chute, and when the driving part drives the support bar assembly 5 to fold, the first pin and the second pin 57 slide along the corresponding chute, thereby moving to the rightmost side of the chute.
It should be noted that, the chute in the present application is a through hole structure, so that the depth of the chute is ensured, and the first pin shaft or the second pin shaft 57 can slide in the chute relatively reliably without being separated; the baffle 24 can avoid interference and jamming between the first pin shaft and/or the second pin shaft 57 and other structures when lifting equipment to be lifted.
With continued reference to fig. 3, it will be appreciated that the lifting device 100 in this embodiment is provided with two or more sets of support bar assemblies 5, and in particular, two sets of support bar assemblies 5 in this embodiment. At this time, the first pin shafts may pass through the lower ends of all the first support rods 51 and the first side plates 22 at both sides, and the first side plates 22 at both sides are provided with the baffles 24. That is, the connection of the lower ends of all the first support rods 51 is simultaneously achieved by one pin, so that there is better sliding synchronism. At this time, in order to achieve assembly, both ends of the first pin shaft are inserted into the corresponding first sliding grooves 22a, and the outer sides of both ends are limited by the corresponding baffle plates 24. The first pin may be installed before the baffle 24 is installed.
It should be noted that the second chute 12a may be provided with the baffle 24, so as to achieve the same technical effect as that of providing the baffle 24 for the first chute 22a, and the second pins 57 may also pass through all the second support rods 52 at the same time, but each group of support rod assemblies 5 is provided with a corresponding second pin 57 in consideration of the possible interference between one second pin 57 and the support rod of the support rod assembly 5 during the lowering and folding. At this time, in fig. 3, the second pin 57 in this embodiment specifically adopts a pin structure with a blocking cover, where the blocking cover can play a role in limiting, and prevent the second pin 57 from moving inwards, and compared with pin limiting modes such as an open lock pin, the blocking cover can reduce the risk of interference with other components to a certain extent.
It will be appreciated with continued reference to fig. 6, and fig. 6 is a schematic illustration of the cooperation of the first support rod 51 and the second support rod 52 of the support rod assembly 5 of fig. 3.
In this embodiment, the cross-connecting position of the first support rod 51 and the second support rod 52 is provided with a washer 59, and the washer 59 may be made of a material with a low friction coefficient and wear resistance. As shown in fig. 3, the middle parts of the first support bar 51 and the second support bar 52 are hinged by a fifth pin 53, and the fifth pin 53 may pass through a washer 59. The gasket 59 can prevent the first support rod 51 and the second support rod 52 from directly rubbing, so that the problem that the friction force of the two support rods is large and the clamping stagnation is easy to occur in the lifting process is solved.
Referring back to fig. 7, fig. 7 is a schematic view of the first support rod 51 in fig. 3.
The first support rod 51 in this embodiment includes a body 511, a pin hole 511a is provided at an upper end of the body 511, a pin hole 511b is provided at a lower end of the body 511, a pin hole 511 is provided in a middle portion of the body, a fourth pin 55 may pass through the pin hole 511a, a first pin passes through the pin hole 511b, and a fifth pin 53 passes through the pin hole 511c. In addition, two first rollers 512 are disposed at the lower end of the first support rod 51, and the two first rollers 512 are supported on the bottom plate 21; the two first rollers 512 are respectively disposed on two sides of the first supporting rod 51, and the first pin shaft penetrates through the first supporting rod 51 and the two first rollers 512. The lower end of the first supporting rod 51 moves directly relative to the bottom plate 21, and the two first rollers 512 can increase the bearing capacity, so that the problem of deformation of the device caused by unbalanced load in the lifting process can be solved compared with one roller.
As can be appreciated together with fig. 3, in the support rod assembly 5 of this embodiment, the first support rod 51 is located inside the second support rod 52 (near the middle position of the two first side plates 22, or outside), when two sets of support rod assemblies 5 are provided, the distance between the first support rod 51 and the first side plate 22 on the corresponding side is greater than the distance between the second support rod 52 and the first side plate 22 on the corresponding side, and at this time, two first rollers 512 are provided at the lower end of the first support rod 51, so that the space is relatively abundant, and interference with the first side plate 22 on the corresponding side is not easy to occur.
The lifting device 100 in this embodiment is provided with double pin hole seats, the fourth pin shaft 58 at the upper end of the first support rod 51 and the second pin shaft 57 and the third pin shaft 54 at the two ends of the second support rod 52 are inserted into the corresponding double pin hole seats, and one end of the first support rod 51 and the two ends of the second support rod 52 are respectively installed between the corresponding double pin hole seats, that is, other ends of the support rod are installed on the double pin hole seats except for one end connected with the double roller.
Specifically, as shown in fig. 4, the bottom plate 21 of the base 2 is provided with a pin hole seat 26, and the first side plate 22 is provided with a pin hole 22b, so that the first side plate 22 and the corresponding side pin hole seat 26 form a double pin hole seat, in fig. 3, the lower end of the second support rod 52 is inserted into the double pin hole seat through the third pin shaft 54. In fig. 3, the support base 1 is provided with a double pin hole base 13 having a pin hole 13a for connecting the upper ends of the first support rods 51.
Referring to fig. 8, fig. 8 is a schematic view of the second support rod 52 in fig. 3.
Since the upper end of the second support rod 52 needs to be moved, the double pin hole seat of the second support rod 52 is provided at itself, the upper end of the body 521 of the second support rod 52 is provided with the pin hole 521c, and the pin hole seat 522 is provided, the pin hole seat 522 and the body 521 constitute the double pin hole seat through which the second pin shaft 57 passes, the lower end of the body 521 is provided with the pin hole 521b, and the third pin shaft 54 passes through the pin hole 521b. The second supporting rod 52 may be provided with a second roller 523, and the second roller 523 may be located between the pin hole seat 522 and the body 521, so that the positioning is also reliable, and the second roller 523 may roll along the bottom surface of the top plate 11.
As shown in fig. 7, the cross-connected positions of the first support rod 51 and the second support rod 52 are connected through a fifth pin 53, the fifth pin 53 comprises a rod body 531, one end of the rod body 531 is provided with a blocking cover 532, and the side wall of the other end is provided with a clamping groove; the supporting rod assembly 5 further comprises a limiting plate 514 and a locking bolt 513, at least part of the limiting plate 514 is clamped into the clamping groove, and the limiting plate 514 is fixed to the first supporting rod 51 through the locking bolt 513. In this way, the positioning of the limiting plate 514 is advantageous in reducing the risk of interference with other components during the telescoping motion of the support rod assembly 5, as compared to pin limiting such as an open lock pin.
In fig. 8, a pin hole 512a is formed in the middle of the second support rod 52, and the fifth pin 53 passes through the pin hole 521a, where the pin hole 521a may be formed as a stepped hole, and the fifth pin 53 has a blocking cover that may be sunk into the stepped hole, so that an outer surface of the middle of the second support rod 52 is relatively flat and is not easy to interfere with other components. At this time, the stopper 532 of the fifth pin 53 is located at the outer side, and the limiting plate 514 is fixed to the first support rod 51, and it is understood that the stopper 532 of the fifth pin 53 may be located at the inner side, and the limiting plate 514 may be fixed to the second support rod 52. A pin hole 521b is provided at the lower end of the second support rod 52, and the third pin 54 is inserted into the pin hole 521b. The third pin 54 at the lower end of the second support rod 52 and the fourth pin 58 at the upper end of the first support rod 51 do not move, and can be limited by a simple open lock pin 56 and can be provided with a gasket 55.
As shown in fig. 4, in the present embodiment, the driving unit is a hydraulic cylinder 3, and the bottom plate 21 of the base 2 is provided with a mount 23 for mounting the cylinder body of the hydraulic cylinder 3. The cylinder body of the hydraulic cylinder in the prior art needs to be provided with the mounting seat, so that the hydraulic cylinder is difficult to process, the mounting seat is not required to be processed by the hydraulic cylinder 3 in the setting mode in the embodiment, the processing is simple, the cost is low, and the hydraulic cylinder is easy to purchase.
In addition, as shown in fig. 4 and 5, both the support base 1 and the base 2 in the present embodiment may be of a tailor welded structure, specifically, the first side plate 22 and the first bottom plate 21 of the base 2 are welded and connected, and the second side plate 12 and the top plate 11 of the support base 1 are welded and connected. Thus, compared with the integrated structure in the background art, the production cost can be reduced on the premise of ensuring the strength.
Please understand the principle of the operation of the lifting device 100 in the present application with reference to fig. 9 and 10, wherein fig. 9 is a schematic view of the lifting device 100 in the highest position in fig. 3; fig. 10 is a schematic view of the lifting device 100 of fig. 3 in a lowermost position.
The driving part in this embodiment further includes a push rod 4 and a rocker 7, as shown in fig. 4, the lower end of the first support rod 51 may be connected with one end of the push rod 4 through a first pin, the push rod 4 is L-shaped, one end of the rocker 7 is hinged with the other end of the push rod 4, and a hinge seat 25 hinged with the other end of the rocker 7 is provided on the base 2, and a piston rod of the hydraulic cylinder 3 is hinged in the middle of the push rod 4. The arrangement is the same as the background technology, is the prior art and is not described in detail. The lifting device 100 works as follows:
when the lifting device 100 is in the highest position state, the right end of the push rod 4 of the hydraulic cylinder 3 moves rightward relative to the first chute 22a until the first pin moves to the rightmost end of the first chute 22a to stop, the left end rotates clockwise around the position where the rocker 7 is hinged to the hinge base, and at the same time, the second pin 57 at the upper end of the second support rod 52 also moves to the rightmost end of the second chute 12a, and at this time, the lifting device 100 descends to the lowest position.
When the lifting device 100 is in the lowest position state, the right end of the push rod 4 of the hydraulic cylinder 3 moves leftwards relative to the first chute 22a until the first pin shaft moves to the leftmost end of the first chute 22a to stop, the left end of the push rod 4 rotates anticlockwise around the position where the rocker 7 is hinged to the hinge base, and meanwhile, the upper end of the second support rod 52 also moves to the leftmost end of the second chute 12a, and at the moment, the lifting device 100 rises to the highest position.
As shown in fig. 1 and 2, the humpback car can be provided with four sets of lifting devices 100, each end is provided with two lifting devices 100, and the lifting devices 100 are arranged in mirror symmetry along the length and width directions of the humpback car so as to improve lifting stability.
When the piggyback car stops, the hydraulic cylinders of the four sets of lifting devices 100 which are arranged in a mirror image mode are pushed out simultaneously, the positioning pins 6 of the lifting devices 100 are in contact with the positioning holes of the end underframe 200 of the piggyback car, and the lifting is continued until the piggyback car reaches a specified position.
The present embodiment also provides a humpback vehicle device, which includes a humpback vehicle and the lifting device 100 described in any of the foregoing embodiments, and has the same advantages, and the discussion will not be repeated.
Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.
Claims (10)
1. The lifting device is characterized by comprising a base and a supporting seat, wherein at least one group of supporting rod assemblies and a driving part are arranged between the base and the supporting seat, each supporting rod assembly comprises a first supporting rod and a second supporting rod which are crossed and hinged, and the driving part is used for driving the supporting rod assemblies to lift; the base is provided with two relative first curb plates, first curb plate is provided with first spout, the supporting seat is provided with two relative second curb plates, the second curb plate is provided with the second spout, the lower extreme of first bracing piece is through inserting the first round pin axle sliding connection of first spout is in corresponding first curb plate, the upper end of second bracing piece is through inserting the second round pin axle sliding connection of second spout is in corresponding second curb plate, first curb plate and/or second curb plate is provided with the baffle, the baffle seals the outside of first spout or second spout.
2. The lifting device according to claim 1, wherein the lifting device is provided with two or more groups of the support rod assemblies, the first pin shafts simultaneously penetrate through the lower ends of all the first support rods and the first side plates on two sides, and the first side plates on two sides are provided with the baffle plates.
3. The lifting device according to claim 1, wherein a washer is provided at a crossing position of the first support bar and the second support bar.
4. The lifting device according to claim 1, wherein the first support bar is provided with two first rollers, the base comprises a bottom plate, and the two first rollers are supported on the bottom plate; the two first rollers are respectively arranged on two sides of the first supporting rod, and the first pin shaft penetrates through the first supporting rod and the two first rollers.
5. A lifting device as claimed in claim 4, wherein the first support bar is located inside the second support bar in the support bar assembly; and/or, the upper end of the first supporting rod is connected with the supporting seat through a fourth pin shaft of the pin shaft, the lower end of the second supporting rod is connected with the base through a third pin shaft, the base is provided with a double pin hole seat matched with the third pin shaft, the supporting seat is provided with a double pin hole seat matched with the fourth pin shaft, and the upper end of the second supporting rod is provided with a double pin hole seat matched with the second pin shaft.
6. The lifting device according to claim 5, wherein the second support bar is provided with a second roller, the second roller being rollable along the support base, the second roller being located between the double pin hole bases.
7. The lifting device according to any one of claims 1-6, wherein the crossing position of the first support bar and the second support bar is connected by a third pin, the third pin comprises a rod body, one end of the rod body is provided with a blocking cover, and the side wall of the other end is provided with a clamping groove; the support rod assembly further comprises a limiting plate and a locking bolt, at least part of the limiting plate is clamped into the clamping groove, and the limiting plate is fixed on the first support rod or the second support rod through the locking bolt.
8. A lifting device according to any one of claims 1-6, wherein the drive part is a hydraulic cylinder, and the base comprises a bottom plate provided with a mounting for mounting the cylinder body of the hydraulic cylinder.
9. The lifting device of any one of claims 1-6, wherein the base comprises a bottom plate, two of the first side plates are disposed on both sides of the bottom plate, the support comprises a top plate, and two of the second side plates are disposed on both sides of the top plate; the first side plate is in welded connection with the bottom plate, and the second side plate is in welded connection with the top plate.
10. A humpback car apparatus comprising a humpback car and a lifting device according to any one of claims 1-9, the humpback car comprising an end chassis, the lifting device being for lifting the end chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320442123.5U CN219384646U (en) | 2023-03-09 | 2023-03-09 | Lifting device and humpback car equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320442123.5U CN219384646U (en) | 2023-03-09 | 2023-03-09 | Lifting device and humpback car equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219384646U true CN219384646U (en) | 2023-07-21 |
Family
ID=87197497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320442123.5U Active CN219384646U (en) | 2023-03-09 | 2023-03-09 | Lifting device and humpback car equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219384646U (en) |
-
2023
- 2023-03-09 CN CN202320442123.5U patent/CN219384646U/en active Active
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