CN215287877U

CN215287877U - Material lifting device

Info

Publication number: CN215287877U
Application number: CN202121736401.5U
Authority: CN
Inventors: 许建机
Original assignee: GAC Toyota Motor Co Ltd
Current assignee: GAC Toyota Motor Co Ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-12-24
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a material lifting device, which comprises a frame and a lifting mechanism, wherein the frame comprises a chassis, a substrate and a guide plate connected with the substrate, the bottom of the chassis is provided with a plurality of walking wheels arranged at intervals, the substrate and the guide plate are vertically arranged on the chassis, the substrate and the guide plate are enclosed to form a chute, and one side of the guide plate departing from the chute is provided with a guide rail; elevating system includes lift drive assembly, slide and the year thing board of being connected with the slide, lift drive assembly is used for driving the slide and carries the thing board and go up and down, it is used for bearing the weight of the material to carry the thing board, the position that corresponds the guide rail on the slide is seted up with guide rail complex guide slot, slide and guide rail sliding contact cooperation, be provided with the gyro wheel on the slide, the gyro wheel stretches into in the spout and with spout rolling contact cooperation, material lifting devices is stable good when lifting the back suspension, the back suspension bears all the time on carrying the thing board, not only the operation security has been improved, and ensure that the back suspension remains balanced state all the time in the assembling process, be convenient for install.

Description

Material lifting device

Technical Field

The utility model relates to an automobile manufacturing technical field, in particular to material lifting device.

Background

In the production process of vehicles, the rear suspension of the automobile needs to be transported to an assembly station and lifted to a certain height in a lifting manner so as to realize the assembly of the rear suspension of the automobile, however, the rear suspension lifted in the lifting manner is easy to shake, incline and the like, the lifting stability is poor, even the rear suspension is inclined and falls possibly, the safety risk exists, and the operation safety is low; in addition, the rear suspension is difficult to reach a balanced state during assembly, the installation and the alignment are difficult, and the production quality is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a material lifting device, the low problem that reaches rear suspension installation difficulty of operation security when aiming at solving assembly car rear suspension.

In order to achieve the above object, the utility model provides a material lifting device, material lifting device includes:

the device comprises a rack, a plurality of wheels and a guide plate, wherein the rack comprises a chassis, a base plate and the guide plate connected with the base plate, the bottom of the chassis is provided with a plurality of walking wheels which are arranged at intervals, the base plate and the guide plate are vertically arranged on the chassis, the base plate and the guide plate are enclosed to form a sliding groove, and one side of the guide plate, which is away from the sliding groove, is provided with a guide rail;

elevating system, elevating system include lift drive assembly, slide and with the slide is connected carry the thing board, lift drive assembly is used for the drive the slide reaches carry the thing board and go up and down, it is used for bearing to carry the thing board the material, correspond on the slide the position of guide rail seted up with guide rail complex guide slot, the slide with guide rail sliding contact cooperation, be provided with the gyro wheel on the slide, the gyro wheel stretch into in the spout and with spout rolling contact cooperation.

Preferably, the lifting driving assembly comprises a lifting hydraulic cylinder, a chain wheel and a chain matched with the chain wheel, the lifting hydraulic cylinder is vertically arranged on the chassis, one end of the chain is connected with the base plate, the other end of the chain is connected with the sliding plate, the chain wheel is installed on the lifting hydraulic cylinder, and the lifting hydraulic cylinder is used for driving the chain wheel to lift so as to drive the sliding plate and the object carrying plate to lift through the chain.

Preferably, the output shaft of the lifting hydraulic cylinder is provided with a connecting rod, the connecting rod and the output shaft of the lifting hydraulic cylinder are perpendicular to each other, the number of the chain wheels is two, the two chain wheels are respectively sleeved at two ends of the connecting rod, and the number of the chains is consistent with that of the chain wheels and is in one-to-one correspondence with that of the chain wheels.

Preferably, the number of the guide plates is two, the two guide plates are arranged on the substrate at intervals, the sliding groove is enclosed between each guide plate and the substrate, the guide rail is arranged on one side of each guide plate facing the sliding plate, the guide grooves are arranged at two ends of the sliding plate, each guide groove is matched with the corresponding guide rail, the rollers are arranged at two ends of the sliding plate, each roller extends into the corresponding sliding groove, and each roller is matched with the corresponding sliding groove in a rolling contact manner.

Preferably, be provided with the link on the base plate, the link with hydraulic cylinder interval arrangement goes up and down, correspond on the link each the position of chain all is provided with a spliced pole, correspond on the slide each the position of chain all is provided with an installation ear, the one end of chain with the spliced pole is connected, the other end of chain with the installation ear is connected.

Preferably, one side of the sliding plate, which is far away from the guide rail, is provided with two mounting beams which are arranged at intervals, the two mounting beams extend towards the direction far away from the guide rail, and the carrying plate is connected to the two mounting beams.

Preferably, a positioning plate is arranged on the chassis at a position far away from the guide rail, the positioning plate is positioned on the lower side of the carrying plate, a positioning hole is formed in the positioning plate, and a positioning column matched with the positioning hole is arranged on the lower side of the carrying plate corresponding to the positioning hole.

Preferably, the upside of carrying the thing board is provided with a plurality of spacing posts, and is a plurality of spacing post interval arrangement is a plurality of spacing post be used for with the spacing hole cooperation of material.

Preferably, material lifting devices still includes at least one spacing subassembly, at least one spacing subassembly includes mounting panel, reel, stretching strap and couple, the mounting panel connect in the chassis is kept away from one side of guide rail, the reel rotationally install in the mounting panel, the stretching strap is around locating the reel, the couple with the free end of stretching strap is connected, the couple is used for articulating with exterior structure.

Preferably, both ends of the chassis are provided with anti-collision beams, each anti-collision beam is plate-shaped, one end of each anti-collision beam is connected to a position, close to the mounting plate, of the chassis, and the other end of each anti-collision beam is connected to a position, close to the guide rail, of the chassis.

The utility model discloses among the material lifting device, when assembling automobile rear suspension, at first place the rear suspension on carrying the thing board, make material lifting device remove to assembly station department through the walking wheel, lift drive assembly drive slide rises along the guide rail after that, the gyro wheel upwards rolls along the spout, so that the slide drives and carries the thing board and rise, and then realized lifting the rear suspension that bears on the thing board, material lifting device is stable good when lifting the rear suspension, rear suspension bears all the time on carrying the thing board, effectively prevented that rear suspension from appearing rocking, the slope, phenomenons such as fall, the operation security has been improved, in addition, through using material lifting device to lift rear suspension, ensure that rear suspension remains balanced state all the time in the assembling process, be convenient for counterpoint the installation, and the production efficiency is improved, and the product quality is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of a material lifting device according to an embodiment of the present invention at a viewing angle;

FIG. 2 is a schematic structural view of a material lifting device at another viewing angle according to an embodiment of the present invention;

fig. 3 is an exploded view of the frame and the sliding plate of the material lifting device according to an embodiment of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the present embodiment are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The present invention is described in the directions of "up", "down", "front", "back", "left", "right", etc. with reference to the directions shown in fig. 1 to 3, and is only used to explain the relative positional relationship between the respective components in the postures shown in fig. 1 to 3, and if the specific posture is changed, the directional indication is correspondingly changed accordingly.

The utility model provides a material lifting device.

According to the material lifting device 100 of the embodiment, the material lifting device 100 comprises a rack 10 and a lifting mechanism 20, the rack 10 comprises a chassis 11, a base plate 13 and a guide plate 14 connected with the base plate 13, a plurality of walking wheels 12 arranged at intervals are arranged at the bottom of the chassis 11, the base plate 13 and the guide plate 14 are vertically arranged on the chassis 11, a chute 15 is defined by the base plate 13 and the guide plate 14, and a guide rail 141 is arranged on one side of the guide plate 14 departing from the chute 15; the lifting mechanism 20 comprises a lifting driving assembly 21, a sliding plate 22 and a carrying plate 23 connected with the sliding plate 22, the lifting driving assembly 21 is used for driving the sliding plate 22 and the carrying plate 23 to lift, the carrying plate 23 is used for carrying materials, a guide groove (not shown) matched with the guide rail 141 is formed in the position, corresponding to the guide rail 141, on the sliding plate 22, the sliding plate 22 is in sliding contact fit with the guide rail 141, a roller 222 is arranged on the sliding plate 22, and the roller 222 extends into the sliding groove 15 and is in rolling contact fit with the sliding groove 15. It should be noted that material lifting device 100 can be used to lift various materials that can be placed on object plate 23, and material lifting device 100 is used to lift the rear suspension of the vehicle in this embodiment.

As shown in fig. 1 to 3, the base plate 13 is vertically disposed on the chassis 11, the guide plate 14 is an L-shaped structure, the guide plate 14 is connected to the base plate 13 and encloses a sliding slot 15 with the base plate 13, the roller 222 extends into the sliding slot 15, a connecting plate 221 is disposed on one side of the sliding plate 22 facing the base plate 13, the connecting plate 221 is connected to a plurality of rollers 222 arranged at intervals along the vertical direction, the roller 222 can roll up and down along the sliding slot 15, a guide rail 141 is disposed on one side of the guide plate 14 facing the sliding plate 22, a guide groove matched with the guide rail 141 is disposed on the sliding plate 22, the sliding plate 22 can slide up and down along the guide rail 141 through the guide groove, the loading plate 23 is connected to one side of the sliding plate 22 departing from the base plate 13, and the loading plate 23 is horizontally disposed.

When assembling the rear suspension of the automobile, at first place the rear suspension on carrying board 23, make material lifting device 100 move to assembly station department through walking wheel 12, lift drive assembly 21 drive slide 22 and rise along guide rail 141 after that, gyro wheel 222 rolls along spout 15 upwards, so that slide 22 drives and carries thing board 23 and rise, and then realized lifting and carrying the rear suspension that bears on thing board 23, material lifting device 100 is stable good when lifting the rear suspension, the rear suspension bears on carrying board 23 all the time, the rear suspension has effectively been prevented to appear rocking, the slope, phenomenons such as fall, the operation security has been improved, in addition, lift the rear suspension through using material lifting device 100, ensure that the rear suspension remains balanced state all the time in the assembling process, be convenient for counterpoint the installation, the production efficiency is improved, the product quality has been promoted. It can be understood that when the rear suspension of the vehicle is assembled, the slide plate 22 is driven to descend along the guide rail 141 by the lifting drive assembly 21, and the roller 222 slides downwards along the slide slot 15, so that the slide plate 22 drives the carrier plate 23 to descend.

In this embodiment, the lifting driving assembly 21 includes a lifting hydraulic cylinder 211, a chain wheel 212 and a chain 213 engaged with the chain wheel 212, the lifting hydraulic cylinder 211 is vertically disposed on the chassis 11, one end of the chain 213 is connected to the base plate 13, the other end of the chain 213 is connected to the sliding plate 22, the chain wheel 212 is mounted on the lifting hydraulic cylinder 211, and the lifting hydraulic cylinder 211 is used for driving the chain wheel 212 to lift, so as to drive the sliding plate 22 and the carrying plate 23 to lift through the chain 213. It should be noted that the lifting hydraulic cylinder 211 may be a hydraulic cylinder (oil cylinder) that can convert hydraulic energy into mechanical energy and perform linear reciprocating motion in the prior art.

As shown in fig. 1 to 3, the lifting hydraulic cylinder 211 is vertically disposed on the chassis 11, the lifting hydraulic cylinder 211 is located between the base plate 13 and the sliding plate 22, the chain wheel 212 is connected to an output shaft of the lifting hydraulic cylinder 211, the chain 213 is engaged with the chain wheel 212, one end of the chain 213 is connected to the base plate 13, and the sliding plate 22 is connected to the other end of the chain 213; when the rear suspension of the automobile needs to be lifted, the output shaft of the hydraulic lifting cylinder 211 drives the chain wheel 212 to ascend, the base plate 13 fixes one end of the chain 213, the other end of the chain 213 pulls the sliding plate 22 to ascend along the sliding rail, the roller 222 upwards rolls in the sliding groove 15 to play a role in assisting the sliding plate 22 to ascend, the sliding plate 22 drives the object carrying plate 23 and the rear suspension on the object carrying plate 23 to ascend, and then the lifting of the rear suspension is realized. It can be understood that when the assembly of the rear suspension of the automobile is completed, the output shaft of the hydraulic lifting cylinder 211 drives the chain wheel 212 to descend, so that the sliding plate 22 descends along the sliding rail, and the roller 222 slides downwards in the sliding slot 15, so that the sliding plate 22 drives the loading plate 23 to descend.

Further, a connecting rod 2111 is arranged on an output shaft of the lifting hydraulic cylinder 211, the connecting rod 2111 and the output shaft of the lifting hydraulic cylinder 211 are perpendicular to each other, the number of the chain wheels 212 is two, the two chain wheels 212 are respectively sleeved at two ends of the connecting rod 2111, and the number of the chains 213 is the same as that of the chain wheels 212 and is arranged in a one-to-one correspondence manner. As shown in fig. 1 to 3, the connecting rod 2111 is connected to the upper side of the output shaft of the hydraulic lifting cylinder 211, the connecting rod 2111 is horizontally arranged, the connecting rod 2111 extends in the left-right direction, two ends of the connecting rod 2111 are respectively sleeved with a chain wheel 212, each chain wheel 212 is respectively matched with a chain 213, the two chains 213 are respectively connected with the sliding plate 22, and the lifting stability is further improved.

In this embodiment, the number of the guide plates 14 is two, the two guide plates 14 are arranged on the substrate 13 at intervals, a sliding groove 15 is defined between each guide plate 14 and the substrate 13, a guide rail 141 is arranged on one side of each guide plate 14 facing the sliding plate 22, guide grooves are formed in two ends of the sliding plate 22, each guide groove is matched with the corresponding guide rail 141, rollers 222 are arranged at two ends of the sliding plate 22, each roller 222 extends into the corresponding sliding groove 15, and each roller 222 is matched with the corresponding sliding groove 15 in a rolling contact manner.

As shown in fig. 1 to 3, the two guide plates 14 are symmetrically disposed, the two guide plates 14 are respectively connected to the left end and the right end of the substrate 13, a sliding slot 15 for the roller 222 to extend into is defined between each guide plate 14 and the substrate 13, two connecting plates 221 arranged at intervals are disposed on one side of the sliding plate 22 facing the substrate 13, the roller 222 is connected to each connecting plate 221, the roller 222 can roll up and down along the sliding slot 15, the guide rail 141 is disposed on one side of each guide plate 14 facing the sliding plate 22, a guide slot matched with the guide rail 141 is disposed on the sliding plate 22 corresponding to each guide rail 141, and the sliding plate 22 is in sliding contact with the two guide rails 141 through the two guide slots, so that the sliding plate 22 can be conveniently lifted along the guide plates 14, and the lifting stability is further improved.

In this embodiment, the base plate 13 is provided with the connecting frame 131, the connecting frame 131 and the lifting hydraulic cylinder 211 are arranged at intervals, the connecting frame 131 is provided with a connecting column 1312 at a position corresponding to each chain 213, the sliding plate 22 is provided with an installation lug 223 at a position corresponding to each chain 213, one end of each chain 213 is connected with the connecting column 1312, and the other end of each chain 213 is connected with the installation lug 223. As shown in fig. 1 to 3, the connecting frame 131 is disposed on one side of the base plate 13 facing the sliding plate 22, the connecting frame 131 includes two connecting portions 1311 disposed perpendicular to each other, one of the connecting portions 1311 disposed vertically is connected to the base plate 13, the other connecting portion 1311 disposed horizontally is provided with two connecting posts 1312 disposed at intervals, two mounting lugs 223 disposed at intervals are disposed at a position of the sliding plate 22 close to the upper side, the connecting posts 1312 are used for being connected to one end of the chain 213, and the mounting lugs 223 are used for being connected to the other end of the chain 213, which is convenient for mounting and convenient and fast for assembling.

In the material lifting device 100 of this embodiment, one side of the sliding plate 22 facing away from the guide rail 141 is provided with two mounting beams 224 arranged at intervals, both the two mounting beams 224 extend in a direction away from the guide rail 141, and the loading plate 23 is connected to the two mounting beams 224. As shown in fig. 1 to 3, two mounting beams 224 are disposed at the left and right ends of the sliding plate 22 at intervals, the carrier plate 23 is connected to the two mounting beams 224 and disposed away from the base plate 13, and the mounting beams 224 play a role in reinforcing the structural strength, thereby enhancing the carrying capacity of the carrier plate 23 and further improving the operation safety.

In this embodiment, a positioning plate 111 is disposed on the chassis 11 away from the guide rail 141, the positioning plate 111 is located at the lower side of the object carrying plate 23, a positioning hole 1111 is disposed on the positioning plate 111, and a positioning column 231 matched with the positioning hole 1111 is disposed at a position corresponding to the positioning hole 1111 on the lower side of the object carrying plate 23. As shown in fig. 1 to fig. 3, the positioning plate 111 is connected to the position of the chassis 11 near the front side, and the positioning plate 111 is located at the lower side of the loading plate 23, the positioning post 231 is disposed at the lower side of the loading plate 23, the positioning plate 111 is provided with a positioning hole 1111 for being matched with the positioning post 231, the positioning post 231 is in sliding contact with the positioning hole 1111 to perform the function of positioning the loading plate 23, thereby preventing the loading plate 23 and the rear suspension on the loading plate 23 from shaking and inclining during the lifting process, and improving the lifting stability and the operation safety.

In the material lifting device 100 of this embodiment, the upper side of the loading plate 23 is provided with a plurality of limiting columns 232, the plurality of limiting columns 232 are arranged at intervals, and the plurality of limiting columns 232 are used for matching with limiting holes of the material. As shown in fig. 1 to 3, a plurality of spacing posts 232 are arranged at intervals on the upper side of the carrier plate 23, a plurality of spacing holes are formed in the rear suspension, the number of the spacing posts 232 is consistent with that of the spacing holes, the spacing posts 232 are arranged in one-to-one correspondence, and the spacing posts 232 are matched with the spacing holes in the rear suspension to play a role in spacing the rear suspension, so that the lifting stability is further improved.

In this embodiment, the material lifting device 100 further includes at least one position limiting component 30, where the at least one position limiting component 30 includes a mounting plate 31, a winding drum 32, a pulling belt 33 and a hook 34, the mounting plate 31 is connected to a side of the chassis 11 away from the guide rail 141, the winding drum 32 is rotatably mounted on the mounting plate 31, the pulling belt 33 is wound around the winding drum 32, the hook 34 is connected to a free end of the pulling belt 33, and the hook 34 is used for being hooked to an external structure.

In one embodiment, as shown in fig. 1 to 3, the number of the limiting assemblies 30 is two, two limiting assemblies 30 are disposed at the left and right ends of the chassis 11 at intervals, and two limiting assemblies 30 are disposed on one side of the chassis 11 away from the substrate 13, in each limit component 30, a mounting plate 31 is used for connecting with the chassis 11, a reel 32 is connected on the mounting plate 31 and can rotate relative to the mounting plate 31, a drawstring 33 is wound on the reel 32, the free end of the drawstring 33 is connected with a hook 34, when the rear suspension of the automobile is assembled, the rear suspension is firstly placed on the carrying plate 23, the material lifting device 100 is moved to an assembling station through the travelling wheels 12, then, the pulling belt 33 wound around the winding drum 32 can be extended by pulling the hook 34, and the hook 34 is hung on the external structure, so that the material lifting device 100 is limited to move, and the stability of the structure is improved. It will be appreciated that when the rear suspension of the vehicle is assembled, the pull strap 33 can be retracted and wound around the spool 32 by removing the hook 34 from the outer structure, which is convenient and quick to use.

In other embodiments, the number of the limiting components 30 can also be one, three or other numbers, the hook 34 of at least one limiting component 30 is used for hooking with an external structure, the effect of the limiting material lifting device 100 is achieved, the number of the limiting components 30 can be flexibly set according to actual use requirements, and the utility model discloses the material lifting device 100 does not limit the number of the limiting components 30.

In this embodiment, the two ends of the chassis 11 are both provided with the anti-collision beam 112, the anti-collision beam 112 is plate-shaped, one end of the anti-collision beam 112 is connected to the position of the chassis 11 close to the mounting plate 31, and the other end of the anti-collision beam 112 is connected to the position of the chassis 11 close to the guide rail 141. As shown in fig. 1 to 3, the two impact beams 112 are respectively disposed at the left and right ends of the chassis 11, the impact beams 112 are in the shape of a strip plate extending in the front-rear direction, one end of the impact beam 112 is connected to the front side of the chassis 11, and the other end of the impact beam 112 is connected to the position of the chassis 11 close to the rear side, so as to protect the chassis 11, and the structure is stable and reliable. In addition, the material lifting device 100 further comprises a control cabinet 40, the control cabinet 40 is arranged on the chassis 11, the control cabinet 40 is located on one side of the base plate 13 departing from the sliding plate 22, the control cabinet 40 is used for controlling the output shaft of the lifting hydraulic cylinder 211 to lift, the control cabinet 40 can adopt a control cabinet in the prior art, and the material lifting device has the advantages of convenience in operation and convenience and quickness in use.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A material lifting device, comprising:

2. The material lifting device according to claim 1, wherein the lifting driving assembly comprises a lifting hydraulic cylinder, a chain wheel and a chain engaged with the chain wheel, the lifting hydraulic cylinder is vertically disposed on the chassis, one end of the chain is connected to the base plate, the other end of the chain is connected to the sliding plate, the chain wheel is mounted on the lifting hydraulic cylinder, and the lifting hydraulic cylinder is used for driving the chain wheel to lift so as to drive the sliding plate and the carrying plate to lift through the chain.

3. The material lifting device according to claim 2, wherein a connecting rod is arranged on the output shaft of the lifting hydraulic cylinder, the connecting rod and the output shaft of the lifting hydraulic cylinder are arranged perpendicular to each other, the number of the chain wheels is two, the two chain wheels are respectively sleeved at two ends of the connecting rod, and the number of the chains is consistent with the number of the chain wheels and is arranged in a one-to-one correspondence manner.

4. The material lifting device according to claim 3, wherein the number of the guide plates is two, two guide plates are arranged on the base plate at intervals, the sliding groove is defined between each guide plate and the base plate, the guide rail is arranged on one side of each guide plate facing the sliding plate, the guide grooves are arranged at both ends of the sliding plate, each guide groove is matched with the corresponding guide rail, the rollers are arranged at both ends of the sliding plate, each roller extends into the corresponding sliding groove, and each roller is matched with the corresponding sliding groove in a rolling contact manner.

5. The material lifting device according to claim 4, wherein a connecting frame is arranged on the base plate, the connecting frame and the lifting hydraulic cylinder are arranged at intervals, a connecting column is arranged on the connecting frame at a position corresponding to each chain, a mounting lug is arranged on the sliding plate at a position corresponding to each chain, one end of each chain is connected with the connecting column, and the other end of each chain is connected with the mounting lug.

6. Material lifting device according to any one of the claims 1-5, characterised in that the side of the skid plate facing away from the guide rail is provided with two spaced-apart mounting beams, both of which beams extend away from the guide rail, and that the carrier plate is connected to both mounting beams.

7. The material lifting device according to any one of claims 1 to 5, wherein a positioning plate is disposed on the chassis at a position away from the guide rail, the positioning plate is located on a lower side of the loading plate, a positioning hole is formed on the positioning plate, and a positioning column matched with the positioning hole is disposed on the lower side of the loading plate corresponding to the positioning hole.

8. The material lifting device according to any one of claims 1-5, wherein a plurality of limiting columns are arranged on the upper side of the carrying plate, the limiting columns are arranged at intervals, and the limiting columns are used for being matched with limiting holes of the material.

9. The material lifting device according to any one of claims 1-5, further comprising at least one limiting component, wherein the at least one limiting component comprises a mounting plate, a drum, a pull belt and a hook, the mounting plate is connected to a side of the chassis away from the guide rail, the drum is rotatably mounted on the mounting plate, the pull belt is wound on the drum, the hook is connected with a free end of the pull belt, and the hook is used for being hooked with an external structure.

10. The material lifting device according to claim 9, wherein the chassis is provided at both ends thereof with an impact beam having a plate shape, one end of the impact beam is connected to the chassis at a position close to the mounting plate, and the other end of the impact beam is connected to the chassis at a position close to the guide rail.