CN116081473B

CN116081473B - Lifting device

Info

Publication number: CN116081473B
Application number: CN202310380809.0A
Authority: CN
Inventors: 李秀良; 陈启明; 姜晓宇
Original assignee: Shandong Lida Intelligent Vehicle Industry Technology Research Institute Co ltd
Current assignee: Shandong Lida Intelligent Vehicle Industry Technology Research Institute Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-07-21
Anticipated expiration: 2043-04-11
Also published as: CN116081473A

Abstract

The invention discloses a lifting device, and belongs to the field of lifting. A lifting device comprises two groups of symmetrical supporting rods, wherein a longitudinal beam is fixedly connected to each group of supporting rods; two groups of transverse beams arranged on the two longitudinal beams in a sliding manner, and an intermediate beam is fixedly connected between the two groups of transverse beams; at least two symmetrical electric hoist installed at the bottom of the transverse beam; a first travel mechanism; the second travelling mechanism is connected to the electric hoist, and the output end of the second travelling mechanism is connected with the transverse beam; the rotating frame is arranged at the bottom of the middle beam, the driving part for driving the rotating frame to rotate is arranged on the middle beam, two symmetrical overturning lifting appliances are arranged at the bottom of the rotating frame, and the first chain and the second chain are arranged to switch multiple directions when the caravan frame is processed, so that the machining efficiency is improved when multiple angles of the caravan frame are required to be processed, and the lifting and moving stability is realized by the aid of the anti-shaking assembly instead of a component unit of the chain.

Description

Lifting device

Technical Field

The invention relates to the technical field of hoisting, in particular to a hoisting device for machining a frame of a motor home.

Background

The goods are arranged indoors and processed by mechanical equipment such as hoisting machinery, transportation machinery and the like which are commonly used. Taking hoisting machinery as an example, in the processing process of a car as a house frame, a plurality of points of the frame are often required to be processed and different stations are required to be switched, but the current hoisting machinery adopts a row frame installed at the top of a factory building and an electric hoist installed on the row frame, and in use, the hoisting machinery is found to exist: 1. only can carry out linear hoisting movement, but can not simultaneously combine the overturning function; 2. when the chain of the electric hoist lifts the heavy object to move, the swing amplitude is larger, when the moving speed is increased and then the heavy object stops, the heavy object swings easily under the inertia effect, and the hidden danger caused by the large swing is that the assembled parts are easy to loosen or the internal parts of the precise instrument collide with other potential safety hazards.

Disclosure of Invention

The invention aims to solve the problem of how to reduce material swing when lifting materials in the prior art, and provides a lifting device.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

a lifting device comprises two groups of symmetrical supporting rods, wherein a longitudinal beam is fixedly connected to each group of supporting rods; the two groups of transverse beams are arranged on the two longitudinal beams in a sliding manner, and an intermediate beam is fixedly connected between the two groups of transverse beams; at least two symmetrical electric hoist installed at the bottom of the transverse beam; the first travelling mechanism is connected to the transverse beam, and the output end of the first travelling mechanism is connected with the longitudinal beam; the second travelling mechanism is connected to the electric hoist, and the output end of the second travelling mechanism is connected with the transverse beam; the middle beam bottom is rotatably provided with a rotating frame, the middle beam is provided with a driving part for driving the rotating frame to rotate, the rotating frame bottom is provided with two symmetrical overturning lifting devices, each overturning lifting device comprises a containing cavity arranged at the bottom of the rotating frame, a guide chain shaft is rotationally connected in the containing cavity, and a first chain is connected on the guide chain shaft; the first chain is lapped on the chain guide shaft and is provided with two connecting ends, and the connecting ends of the two first chains are connected to form an annular closed chain; the outer side of the accommodating cavity is connected with a second motor, the output end of the second motor is fixedly connected with the chain guide shaft, the output end of the electric hoist is provided with a second chain, the second chain is provided with an anti-shaking assembly, the driving part comprises a first motor arranged at the top of the middle beam, the output end of the first motor is connected with a rotating piece, the lower end of the rotating piece is fixedly connected with the rotating frame, the anti-shaking assembly comprises a pull rod, and a first base and a second base which are fixedly connected with two ends of the pull rod to form a clamping piece, and hooks are arranged on the first base and the second base; the box body is fixedly connected to the clamping piece and slides on the pull rod upper bracket; the support on the fastener is clamped outside the box body on the adjacent fastener when the support slides downwards on the pull rod, a plurality of fastener pieces form a chain structure, then the driving part in the box body of the adjacent fastener pieces is driven to move downwards from top to bottom to clamp the box body on the adjacent fastener pieces, the filling mechanism is driven to tightly attach the box body to the support when the support moves downwards, the support comprises a top plate which is connected onto the pull rod in a sliding manner and a plurality of limiting parts which extend downwards along the edge of the top plate, the limiting parts are positioned outside the box body to prevent the box body from swinging, a driving part which is used for driving the support to slide on the pull rod is arranged in the box body, and when the driving part drives the support to move downwards, the box body of the adjacent fastener pieces is clamped in the limiting parts, and the driving part comprises a first driving unit which is arranged on the side wall in the box body; and a first gear installed at an output end of the first driving unit; the driving part comprises a second driving unit arranged on the top wall of the box body and a screw rod arranged at the output end of the second driving unit, a screw sleeve matched with the screw rod in a threaded manner is fixedly arranged on the top plate of the bracket, the driving part comprises a cylinder arranged on the top wall of the box body, the output end of the cylinder is fixed with the top plate of the bracket, the box body is provided with a filling mechanism for tightly attaching a limiting part to the box body, and the filling mechanism comprises one or more sealing cylinder bodies arranged on the top plate of the bracket and one or more air bags arranged on the outer wall of the box body; the sealing cylinder is internally provided with a piston in a sealing sliding manner, the bottom of the piston is fixedly connected with a push rod, and the lower end of the push rod penetrates through the top plate of the bracket and extends downwards to be fixed with the second base; and the two ends of the sealing pipeline are respectively communicated with the air bag and the sealing cylinder.

As a preferred embodiment of the present invention: the filling mechanism comprises a frame structure which is connected to the side wall of the box body in a sliding way, and a clamping plate which is positioned outside the box body and is arranged on the frame structure; the inner wall of the box body is rotationally connected with a step gear, and the step gear comprises a large gear and a small gear which is concentric with the large gear and keeps synchronous rotation; the second rack meshed with the large gear is fixed on the clamping plate, and the third rack meshed with the small gear is fixedly connected to the top plate of the bracket.

Compared with the prior art, the invention provides a lifting device, which has the following beneficial effects:

according to the invention, the first chain and the second chain are arranged, so that the car as a house frame can be switched in multiple directions during processing, multiple angles of the car as a house frame are prevented from being processed, and the processing efficiency is improved.

Through constitute a chain structure with a plurality of buckle spare to the support block is outside at adjacent buckle spare upper box body when sliding down on the pull rod on the buckle spare, fixes adjacent buckle spare, has restricted the buckle spare rotation each other between the adjacent, when support downwardly moving, drives filling mechanism and closely laminates box body and support, thereby further improves buckle spare between the adjacent and practice the level intensity, consequently only needs a chain structure can prevent the material swing to a certain extent.

Drawings

Fig. 1 is a schematic structural view of a lifting device according to the present invention;

fig. 2 is a schematic structural diagram of a lifting device according to the present invention;

fig. 3 is a schematic view of a part of a overhead hoist in a top view;

FIG. 4 is a front view of a trolley according to the present invention;

fig. 5 is a schematic structural view of a lifting device according to the present invention;

fig. 6 is a schematic structural view of a lifting device according to the present invention;

FIG. 7 is a left side view of a schematic structural view of a lifting device according to the present invention;

FIG. 8 is a schematic view of a lifting device according to the present invention, including a first driving portion and a first filling mechanism;

FIG. 9 is a schematic view of a swing frame of the present invention including a second driving portion and a second filling mechanism;

fig. 10 is a schematic structural view of a swing-resistant assembly for a lifting device according to the present invention, including a third driving portion and a first filling mechanism;

FIG. 11 is a schematic view of the structure of the portion A of FIG. 8 of a trolley according to the present invention;

FIG. 12 is a schematic view of the structure of portion B of FIG. 9 of a trolley according to the present invention;

FIG. 13 is a schematic view of the structure of a first base and a second base of a lifting device according to the present invention;

FIG. 14 is a schematic view of a frame structure of a trolley according to the present invention;

fig. 15 is a schematic diagram illustrating an assembly structure of a plurality of fasteners and an annular fastener of a lifting device according to the present invention.

In the figure: 1. a first base; 101. a second base; 102. a pull rod; 103. a hook member; 104. a protection plate; 105. a groove; 106. a nut; 107. a pin shaft; 2. a case body; 3. a bracket; 301. reinforcing ribs; 302. a top plate; 303. a limiting member; 4. sealing the cylinder; 401. a push rod; 402. a piston; 403. sealing the pipeline; 404. an air bag; 5. a first rack; 501. a first driving unit; 502. a first gear; 6. a second driving unit; 601. a screw; 602. a screw sleeve; 7. a frame structure; 701. a clamping plate; 702. a third rack; 703. a second rack; 704. a large gear; 705. a pinion gear; 8. a cylinder; 900. a support rod; 901. a longitudinal beam; 903. a transverse beam; 905. a first travel mechanism; 907. a second travelling mechanism; 908. an electric hoist; 910. a second chain; 911. a middle beam; 912. a first motor; 913. a rotating member; 914. a rotating frame; 915. a first chain; 916. a second motor; 9161. a chain guide shaft; 917. a cavity.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1-15, the present invention proposes a lifting device, comprising two symmetrical sets of struts 900, each set of struts 900 being fixedly connected with a longitudinal beam 901; two groups of transverse beams 903 arranged on the two longitudinal beams 901 in a sliding manner, and an intermediate beam 911 is fixedly connected between the two groups of transverse beams 903; at least two symmetrical electric hoist 908 mounted at the bottom of the transverse beam 903; and a first travel mechanism 905 connected to the transverse beam 903 and having an output end connected to the longitudinal beam 901; a second travelling mechanism 907 connected to the electric hoist 908 and having an output end connected to the transverse beam 903; the bottom of the middle beam 911 is rotatably provided with a rotating frame 914, a driving part for driving the rotating frame 914 to rotate is arranged on the middle beam 911, and two symmetrical overturning lifting appliances are arranged at the bottom of the rotating frame 914;

when the lifting device is used, the electric hoist 908 on the transverse beam 903 lifts the frame of the caravan, two or more symmetrical electric hoists 908 can be adopted, and the electric hoist 908 moves on the longitudinal beam 901 through the transverse beam 903, so that the processing station of the frame of the caravan is changed, and when the lifting device needs to be reversed, the rotation of the Y axis and the Z axis of the frame of the caravan can be realized through the overturning lifting device.

Referring to fig. 1-15, a lifting device comprises two symmetrical groups of struts 900, wherein a longitudinal beam 901 is fixedly connected to each group of struts 900; two groups of transverse beams 903 arranged on the two longitudinal beams 901 in a sliding manner, and an intermediate beam 911 is fixedly connected between the two groups of transverse beams 903; at least two symmetrical electric hoist 908 mounted at the bottom of the transverse beam 903; and a first travel mechanism 905 connected to the transverse beam 903 and having an output end connected to the longitudinal beam 901; a second travelling mechanism 907 connected to the electric hoist 908 and having an output end connected to the transverse beam 903; the rotating frame 914 is rotatably arranged at the bottom of the middle beam 911, a driving part for driving the rotating frame 914 to rotate is arranged on the middle beam 911, two symmetrical overturning lifting devices are arranged at the bottom of the rotating frame 914, the electric hoist 908 on the transverse beam 903 lifts the car as a house, two or more symmetrical electric hoists 908 can be adopted, the transverse beam 903 moves on the longitudinal beam 901, so that the processing station of the car as a house frame is changed, and when the car as a house needs to be reversed, the rotation of the car as a house frame in the Y-axis and Z-axis directions can be realized through the overturning lifting devices, and one embodiment of the invention: the overturning lifting appliance comprises a containing cavity 917 arranged at the bottom of the rotating frame 914, the containing cavity 917 is rotationally connected with a chain guiding shaft 9161, and the chain guiding shaft 9161 is connected with a first chain 915; the first chain 915 is lapped on the chain guide shaft 9161 and is provided with two connecting ends, and the connecting ends of the two first chains 915 are connected to form an annular closed chain; the outer side of the accommodating cavity 917 is connected with a second motor 916, and the output end of the second motor 916 is fixedly connected with the chain guide shaft 9161.

During the use, through twining and connect the locking with the both ends of first chain 915 from car as a house frame both sides, when needs are rotatory around the Z axle direction, at first remove the couple of being connected of second chain 910 and car as a house frame, then drive the rotation piece 913 through first motor 912 and rotate, and then drive the rotation frame 914 and rotate, when needs make the frame rotate around the Y axle direction, drive the rotation of guide chain 9161 through second motor 916 to make first chain 915 be located guide chain 9161 and remove, thereby the frame realization upset that is the bottom.

Referring to fig. 1-15, a lifting device comprises two symmetrical groups of struts 900, wherein a longitudinal beam 901 is fixedly connected to each group of struts 900; two groups of transverse beams 903 arranged on the two longitudinal beams 901 in a sliding manner, and an intermediate beam 911 is fixedly connected between the two groups of transverse beams 903; at least two symmetrical electric hoist 908 mounted at the bottom of the transverse beam 903; and a first travel mechanism 905 connected to the transverse beam 903 and having an output end connected to the longitudinal beam 901; a second travelling mechanism 907 connected to the electric hoist 908 and having an output end connected to the transverse beam 903; the rotating frame 914 is rotatably arranged at the bottom of the middle beam 911, a driving part for driving the rotating frame 914 to rotate is arranged on the middle beam 911, two symmetrical overturning lifting devices are arranged at the bottom of the rotating frame 914, the electric hoist 908 on the transverse beam 903 lifts the car as a house, two or more symmetrical electric hoists 908 can be adopted, the transverse beam 903 moves on the longitudinal beam 901, so that the processing station of the car as a house frame is changed, and when the car as a house needs to be reversed, the rotation of the car as a house frame in the Y-axis and Z-axis directions can be realized through the overturning lifting devices, and one embodiment of the invention: the output end of the electric hoist 908 is provided with a second chain 910, and the second chain 910 is provided with an anti-shake assembly, so that the effect of reducing shake in the process of hoisting motion is realized through the anti-shake assembly.

Referring to fig. 1-15, a lifting device comprises two symmetrical groups of struts 900, wherein a longitudinal beam 901 is fixedly connected to each group of struts 900; two groups of transverse beams 903 arranged on the two longitudinal beams 901 in a sliding manner, and an intermediate beam 911 is fixedly connected between the two groups of transverse beams 903; at least two symmetrical electric hoist 908 mounted at the bottom of the transverse beam 903; and a first travel mechanism 905 connected to the transverse beam 903 and having an output end connected to the longitudinal beam 901; a second travelling mechanism 907 connected to the electric hoist 908 and having an output end connected to the transverse beam 903; the bottom of the middle beam 911 is rotatably provided with a rotating frame 914, a driving part for driving the rotating frame 914 to rotate is arranged on the middle beam 911, and two symmetrical overturning lifting appliances are arranged at the bottom of the rotating frame 914, and one embodiment of the invention is as follows: the driving part includes a first motor 912 installed at the top of the middle beam 911, and an output end of the first motor 912 is connected with a rotating member 913, and a lower end of the rotating member 913 is fixedly connected with the rotating frame 914.

Referring to fig. 1-15, a lifting device comprises two symmetrical groups of struts 900, wherein a longitudinal beam 901 is fixedly connected to each group of struts 900; two groups of transverse beams 903 arranged on the two longitudinal beams 901 in a sliding manner, and an intermediate beam 911 is fixedly connected between the two groups of transverse beams 903; at least two symmetrical electric hoist 908 mounted at the bottom of the transverse beam 903; and a first travel mechanism 905 connected to the transverse beam 903 and having an output end connected to the longitudinal beam 901; a second travelling mechanism 907 connected to the electric hoist 908 and having an output end connected to the transverse beam 903; the rotating frame 914 is rotatably arranged at the bottom of the middle beam 911, a driving part for driving the rotating frame 914 to rotate is arranged on the middle beam 911, two symmetrical overturning lifting devices are arranged at the bottom of the rotating frame 914, the electric hoist 908 on the transverse beam 903 lifts the car as a house, two or more symmetrical electric hoists 908 can be adopted, the transverse beam 903 moves on the longitudinal beam 901, so that the processing station of the car as a house frame is changed, and when the car as a house needs to be reversed, the rotation of the car as a house frame in the Y-axis and Z-axis directions can be realized through the overturning lifting devices, and one embodiment of the invention: the invention provides an anti-shake assembly for lifting a motor home, which comprises a first base 1 and a second base 101, wherein an anti-drop hook is arranged on each of the first base 1 and the second base 101, a certain distance is reserved between the first base 1 and the second base 101, the anti-shake assembly can be designed according to the use, a plurality of pull rods 102, preferably four steel pull rods, are arranged between the first base 1 and the second base 101, and have certain tensile strength, two ends of each pull rod 102 are fixed with the first base 1 and the second base 101 through bolts to form a buckle piece with two ends connected, and the buckle piece is connected with a first chain 915 through hooks on the first base 1 and the second base 101.

Referring to fig. 1-15, a lifting device comprises two symmetrical groups of struts 900, wherein a longitudinal beam 901 is fixedly connected to each group of struts 900; two groups of transverse beams 903 arranged on the two longitudinal beams 901 in a sliding manner, and an intermediate beam 911 is fixedly connected between the two groups of transverse beams 903; at least two symmetrical electric hoist 908 mounted at the bottom of the transverse beam 903; and a first travel mechanism 905 connected to the transverse beam 903 and having an output end connected to the longitudinal beam 901; a second travelling mechanism 907 connected to the electric hoist 908 and having an output end connected to the transverse beam 903; the rotating frame 914 is rotatably arranged at the bottom of the middle beam 911, a driving part for driving the rotating frame 914 to rotate is arranged on the middle beam 911, two symmetrical overturning lifting devices are arranged at the bottom of the rotating frame 914, the electric hoist 908 on the transverse beam 903 lifts the car as a house, two or more symmetrical electric hoists 908 can be adopted, the transverse beam 903 moves on the longitudinal beam 901, so that the processing station of the car as a house frame is changed, and when the car as a house needs to be reversed, the rotation of the car as a house frame in the Y-axis and Z-axis directions can be realized through the overturning lifting devices, and one embodiment of the invention: in order to prevent the material from moving when the material is pulled, the box body 2 is fixedly connected to the pull rod 102, the bracket 3 which can slide relative to the pull rod 102 is arranged at the bottom of the box body 2 in a separated mode, and the box body 2 can be arranged in the bracket 3 between the adjacent clamping pieces, so that the bracket 3 clamps the box body 2, and the relative rotation amplitude of the two adjacent clamping pieces is limited; the bracket 3 is provided with a top plate 302 and a plurality of limiting parts 303 extending downwards along the edge of the top plate 302, the limiting parts 303 can be rod bodies or plate bodies, a reinforcing rib 301 is additionally arranged between the rod bodies or plate bodies and the top plate 302 to improve the supporting force, and the box body 2 can be positioned among the plurality of limiting parts 303.

Referring to fig. 1-15, a lifting device comprises two symmetrical groups of struts 900, wherein a longitudinal beam 901 is fixedly connected to each group of struts 900; two groups of transverse beams 903 arranged on the two longitudinal beams 901 in a sliding manner, and an intermediate beam 911 is fixedly connected between the two groups of transverse beams 903; at least two symmetrical electric hoist 908 mounted at the bottom of the transverse beam 903; and a first travel mechanism 905 connected to the transverse beam 903 and having an output end connected to the longitudinal beam 901; a second travelling mechanism 907 connected to the electric hoist 908 and having an output end connected to the transverse beam 903; the rotating frame 914 is rotatably arranged at the bottom of the middle beam 911, a driving part for driving the rotating frame 914 to rotate is arranged on the middle beam 911, two symmetrical overturning lifting devices are arranged at the bottom of the rotating frame 914, the electric hoist 908 on the transverse beam 903 lifts the car as a house, two or more symmetrical electric hoists 908 can be adopted, the transverse beam 903 moves on the longitudinal beam 901, so that the processing station of the car as a house frame is changed, and when the car as a house needs to be reversed, the rotation of the car as a house frame in the Y-axis and Z-axis directions can be realized through the overturning lifting devices, and one embodiment of the invention: the invention provides a driving part for driving a bracket 3 to slide on a pull rod 102, which comprises a first driving unit 501 arranged on the inner side wall of a box body 2, wherein a first gear 502 is arranged at the output end of the first driving unit 501, a first rack 5 meshed with the first gear 502 is fixed on the top of the bracket 3, and the first gear 502 is driven to be meshed with the first rack 5 along with the starting of the first driving unit 501 to drive the bracket 3 to move downwards so as to clamp the box body 2 of an adjacent clamping piece in a plurality of limiting parts 303.

Referring to fig. 1-15, a lifting device comprises two symmetrical groups of struts 900, wherein a longitudinal beam 901 is fixedly connected to each group of struts 900; two groups of transverse beams 903 arranged on the two longitudinal beams 901 in a sliding manner, and an intermediate beam 911 is fixedly connected between the two groups of transverse beams 903; at least two symmetrical electric hoist 908 mounted at the bottom of the transverse beam 903; and a first travel mechanism 905 connected to the transverse beam 903 and having an output end connected to the longitudinal beam 901; a second travelling mechanism 907 connected to the electric hoist 908 and having an output end connected to the transverse beam 903; the rotating frame 914 is rotatably arranged at the bottom of the middle beam 911, a driving part for driving the rotating frame 914 to rotate is arranged on the middle beam 911, two symmetrical overturning lifting devices are arranged at the bottom of the rotating frame 914, the electric hoist 908 on the transverse beam 903 lifts the car as a house, two or more symmetrical electric hoists 908 can be adopted, the transverse beam 903 moves on the longitudinal beam 901, so that the processing station of the car as a house frame is changed, and when the car as a house needs to be reversed, the rotation of the car as a house frame in the Y-axis and Z-axis directions can be realized through the overturning lifting devices, and one embodiment of the invention: the invention provides a driving part for driving a bracket 3 to slide on a pull rod 102, which comprises a second driving unit 6 arranged on the inner top wall of a box body 2 and a screw 601 arranged at the output end of the second driving unit 6, wherein a screw sleeve 602 which is in threaded fit with the screw 601 is fixedly arranged on a top plate 302 of the bracket 3, the screw sleeve 602 and the screw 601 are preferably in rectangular threaded connection, so that a certain self-locking effect is achieved, the screw sleeve 602 can be connected with the top plate 302 in a welding way, one end of the screw 601, which is far away from the second driving unit 6, can extend downwards to be stamped by the screw sleeve 602 and the back surface of a second base 101 to rotate, the radial supporting force of the screw 601 is enhanced, the screw 601 is driven to rotate by the second driving unit 6, and the screw sleeve 602 is driven to move up and down by the driving of threads to drive the bracket 3 to move up and down.

Referring to fig. 1-15, a lifting device comprises two symmetrical groups of struts 900, wherein a longitudinal beam 901 is fixedly connected to each group of struts 900; two groups of transverse beams 903 arranged on the two longitudinal beams 901 in a sliding manner, and an intermediate beam 911 is fixedly connected between the two groups of transverse beams 903; at least two symmetrical electric hoist 908 mounted at the bottom of the transverse beam 903; and a first travel mechanism 905 connected to the transverse beam 903 and having an output end connected to the longitudinal beam 901; a second travelling mechanism 907 connected to the electric hoist 908 and having an output end connected to the transverse beam 903; the rotating frame 914 is rotatably arranged at the bottom of the middle beam 911, a driving part for driving the rotating frame 914 to rotate is arranged on the middle beam 911, two symmetrical overturning lifting devices are arranged at the bottom of the rotating frame 914, the electric hoist 908 on the transverse beam 903 lifts the car as a house, two or more symmetrical electric hoists 908 can be adopted, the transverse beam 903 moves on the longitudinal beam 901, so that the processing station of the car as a house frame is changed, and when the car as a house needs to be reversed, the rotation of the car as a house frame in the Y-axis and Z-axis directions can be realized through the overturning lifting devices, and one embodiment of the invention: the present invention proposes a third driving part for driving the bracket 3 to slide on the pull rod 102, and the difference between the two embodiments is that the driving mode of the air cylinder 8 is adopted, the air cylinder 8 is installed on the top wall of the box body 2, the output end of the air cylinder 8 is fixed with the top plate 302 of the bracket 3, and the air cylinder 8 drives the bracket 3 to move up and down.

The above-described three embodiments of the driving unit are only preferred embodiments of the present invention, and other driving sources capable of moving the stand 3 up and down may be applied to the present invention.

In order to further improve the close fitting between the plurality of limiting members 303 on the bracket 3 and the outer wall of the box body 2, a filling mechanism is further added on the basis of the three embodiments to realize the close fitting between the limiting members 303 and the box body 2, specifically as follows:

referring to fig. 8 and 10-11, a lifting device comprises two symmetrical groups of struts 900, wherein a longitudinal beam 901 is fixedly connected to each group of struts 900; two groups of transverse beams 903 arranged on the two longitudinal beams 901 in a sliding manner, and an intermediate beam 911 is fixedly connected between the two groups of transverse beams 903; at least two symmetrical electric hoist 908 mounted at the bottom of the transverse beam 903; and a first travel mechanism 905 connected to the transverse beam 903 and having an output end connected to the longitudinal beam 901; a second travelling mechanism 907 connected to the electric hoist 908 and having an output end connected to the transverse beam 903; the middle beam 911 is rotatably provided with a rotating frame 914 at the bottom, a driving part for driving the rotating frame 914 to rotate is arranged on the middle beam 911, two symmetrical overturning lifting devices are arranged at the bottom of the rotating frame 914, a trolley frame is lifted by an electric hoist 908 on a transverse beam 903, two or more symmetrical electric hoists 908 can be adopted, the electric hoists 908 move on a longitudinal beam 901 through the transverse beam 903, so that change processing stations of the trolley frame are changed, when the trolley frame is required to be reversed, the Y-axis and Z-axis directions of the trolley frame can be rotated through the overturning lifting devices, the first filling mechanism provided by the invention comprises one or more sealing cylinders 4 arranged on a top plate 302 of a bracket 3, one piston 402 is hermetically slid in the sealing cylinders 4, a push rod 401 is fixed at the bottom of the piston 402, the lower end of the push rod 401 penetrates through the top plate 302 of the bracket 3 and is downwards extended to be fixed with the back surface of a second base 101, one or more air bags 404 are arranged on the outer wall of the box body 2, when the driving part drives the bracket 3 to downwards move through the sealing cylinders 4, the driving part can realize the rotation in Y-axis and Z-axis directions of the trolley frame through the overturning lifting devices, the sealing cylinders 4 are correspondingly fixed with the sealing cylinders 404, and the sealing cylinders 404 are correspondingly filled with the sealing cylinders 4 through the sealing cylinders, and the sealing cylinders 404 are correspondingly fixed with the sealing cylinders 4 through the sealing cylinders, and the sealing cylinders 4.

It should be noted that: one or more sealing cylinders 4 and one or more air bags 404, it should be understood that when one air bag 404 is provided, it may be preferable that the air bag 404 is an annular air bag 404, or a semi-annular air bag, or a square air bag or other shape, a single air bag 404 may be matched with a plurality of sealing cylinders 4, or a single sealing cylinder 4 may be matched with a plurality of air bags 404, and the specific air bag 404 and the capacity of the sealing cylinder 4 are designed according to practical use.

Referring to fig. 9, 12 and 14, a lifting device comprises two symmetrical groups of struts 900, and a longitudinal beam 901 is fixedly connected to each group of struts 900; two groups of transverse beams 903 arranged on the two longitudinal beams 901 in a sliding manner, and an intermediate beam 911 is fixedly connected between the two groups of transverse beams 903; at least two symmetrical electric hoist 908 mounted at the bottom of the transverse beam 903; and a first travel mechanism 905 connected to the transverse beam 903 and having an output end connected to the longitudinal beam 901; a second travelling mechanism 907 connected to the electric hoist 908 and having an output end connected to the transverse beam 903; the middle beam 911 is rotatably provided with a rotating frame 914 at the bottom, the middle beam 911 is provided with a driving part for driving the rotating frame 914 to rotate, the bottom of the rotating frame 914 is provided with two symmetrical overturning lifting devices, the electric hoist 908 on the transverse beam 903 lifts the car as a house frame, the electric hoist 908 can adopt two or more symmetrical lifting devices, the transverse beam 903 moves on the longitudinal beam 901 to change the processing stations of the car as a house frame, when the car as a house frame needs to be reversed, the rotation in the Y axis and Z axis directions of the car as a house frame can be realized through the overturning lifting devices, the second filling mechanism disclosed by the invention comprises a frame structure 7 and a clamping plate 701 arranged on the frame structure 7, the frame structure 7 is connected on the side wall of the box body 2 in a sliding way, the clamping plate 701 is positioned outside the box body 2, a step gear is rotatably connected to the inner wall of the box body 2, the step gear comprises a large gear 704 and a small gear 705 which is concentric with the large gear 704 and keeps synchronous rotation, a second rack 703 meshed with the large gear 704 is fixed on the clamping plate 701, a third rack 702 meshed with the small gear 705 is fixedly connected to the top plate 302 of the bracket 3, the second rack 703 and the third rack 702 are mutually perpendicular in space, the bracket 3 is driven to move downwards along with the driving part, the third rack 702 is further driven to move downwards, the small gear 705 is driven to rotate, the large gear 704 is driven to rotate while the small gear 705 rotates, and the second rack 703 stretches out of the box body 2 under the driving of the large gear 704, so that the clamping plate 701 is driven to be tightly attached to the limiting part 303 on the bracket 3.

Referring to fig. 7, a lifting device comprises two symmetrical groups of struts 900, wherein a longitudinal beam 901 is fixedly connected to each group of struts 900; two groups of transverse beams 903 arranged on the two longitudinal beams 901 in a sliding manner, and an intermediate beam 911 is fixedly connected between the two groups of transverse beams 903; at least two symmetrical electric hoist 908 mounted at the bottom of the transverse beam 903; and a first travel mechanism 905 connected to the transverse beam 903 and having an output end connected to the longitudinal beam 901; a second travelling mechanism 907 connected to the electric hoist 908 and having an output end connected to the transverse beam 903; the middle beam 911 is rotatably provided with a rotating frame 914, a driving part for driving the rotating frame 914 to rotate is arranged on the middle beam 911, two symmetrical overturning lifting devices are arranged at the bottom of the rotating frame 914, a motor home frame is lifted by an electric hoist 908 on a transverse beam 903, two or more symmetrical electric hoists 908 can be adopted, the transverse beam 903 moves on a longitudinal beam 901, so that the processing stations of the motor home frame are changed, when the motor home frame needs to be reversed, the rotation in the Y-axis and Z-axis directions of the motor home frame can be realized by the overturning lifting devices, in one embodiment of the invention, the frame structure 7 is preferably composed of four rods, the four rods respectively penetrate through a box body 2 and are fixed with a clamping plate 701, and the third rack 702 penetrates out from between the four rods and is meshed with a pinion 705.

Referring to fig. 6, and referring to fig. 1-15, a lifting device comprises two symmetrical sets of struts 900, each set of struts 900 being fixedly connected with a longitudinal beam 901; two groups of transverse beams 903 arranged on the two longitudinal beams 901 in a sliding manner, and an intermediate beam 911 is fixedly connected between the two groups of transverse beams 903; at least two symmetrical electric hoist 908 mounted at the bottom of the transverse beam 903; and a first travel mechanism 905 connected to the transverse beam 903 and having an output end connected to the longitudinal beam 901; a second travelling mechanism 907 connected to the electric hoist 908 and having an output end connected to the transverse beam 903; the bottom of the middle beam 911 is rotatably provided with a rotating frame 914, a driving part for driving the rotating frame 914 to rotate is arranged on the middle beam 911, and two symmetrical overturning lifting appliances are arranged at the bottom of the rotating frame 914, and one embodiment of the invention is as follows: the first base 1 and the second base 101 in the invention both comprise a ridge-shaped shell, a stepped groove 105 is arranged in the shell, a hook piece 103 is inserted from the top of the shell, the upper end of the hook piece 103 is provided with a hook body, an anti-unhooking protection plate 104 is arranged at the opening of the hook body, the protection plate 104 is connected to the opening end of the hook body through a torsion spring, the lower end of the hook piece 103 penetrates through the shell and extends into the stepped groove 105, the lower end of the hook piece 103 is provided with threads and is fixed through a nut 106, the lower end of the hook piece 103 is provided with a through hole, a pin shaft 107 is inserted in the through hole, the pin shaft 107 of a copper drum can prevent the nut 106 from falling off, and the two sides of the bottom of the shell are fixed with a steel pull rod 102.

Referring to fig. 1-15, a lifting device comprises two symmetrical groups of struts 900, wherein a longitudinal beam 901 is fixedly connected to each group of struts 900; two groups of transverse beams 903 arranged on the two longitudinal beams 901 in a sliding manner, and an intermediate beam 911 is fixedly connected between the two groups of transverse beams 903; at least two symmetrical electric hoist 908 mounted at the bottom of the transverse beam 903; and a first travel mechanism 905 connected to the transverse beam 903 and having an output end connected to the longitudinal beam 901; a second travelling mechanism 907 connected to the electric hoist 908 and having an output end connected to the transverse beam 903; the rotating frame 914 is rotatably arranged at the bottom of the middle beam 911, a driving part for driving the rotating frame 914 to rotate is arranged on the middle beam 911, two symmetrical overturning lifting devices are arranged at the bottom of the rotating frame 914, the electric hoist 908 on the transverse beam 903 lifts the car as a house, two or more symmetrical electric hoists 908 can be adopted, the transverse beam 903 moves on the longitudinal beam 901, so that the processing station of the car as a house frame is changed, and when the car as a house needs to be reversed, the rotation of the car as a house frame in the Y-axis and Z-axis directions can be realized through the overturning lifting devices, and one embodiment of the invention: the invention provides a use method of a lifting device, when in use, a plurality of clamping pieces are hung together, a driving part in a clamping piece box body 2 drives a bracket 3 to move downwards to cover the box body 2 on the adjacent clamping piece, so that the adjacent clamping pieces are prevented from shaking, driving sources in the plurality of clamping pieces are started gradually from top to bottom, after a first bracket 3 is clamped in place, the adjacent clamping pieces below are started, and then the bracket 3 of the clamping piece below moves downwards, and a filling mechanism in the box body 2 fills and clamps the bracket 3 clamped in place.

It should be noted that taking the driving part as the driving unit, the external controller is connected with the driving units in parallel, and the controller controls the starting time of the driving units, so as to achieve the effect of step-by-step starting in the method.

When the invention is used, the electric hoist 908 on the transverse beam 903 lifts the caravan frame, two or a plurality of electric hoists 908 can be adopted, the electric hoists 908 can move on the longitudinal beam 901 through the transverse beam 903, so that the processing stations of the caravan frame are changed, when the caravan frame needs to be reversed, the rotation in the Y-axis and Z-axis directions of the caravan frame can be realized through the overturning lifting tool, when the frame needs to be overturned, the two ends of the first chain 915 are wound and connected and locked from the two sides of the caravan frame, when the frame needs to be overturned, the connecting hooks of the second chain 910 and the caravan frame are firstly released, then the rotating member 913 is driven by the first motor 912 to rotate, the rotating frame 914 is driven to rotate, when the frame needs to rotate around the Y-axis direction, the guide chain shaft 9161 is driven by the second motor 916 to rotate, so that the first chain 915 is positioned on the guide chain shaft 9161, the frame at the bottom is turned over, a plurality of fastening pieces are selectively assembled, such as being spliced with an annular chain or being directly and completely combined by the fastening pieces in the invention, the fastening pieces in the invention are spliced with the annular chain, as shown in fig. 8, the chain at the top is firstly connected with the output end of a lifting machine, the lifting machine can be the output end of a crane or an electric hoist 908 or other, the bottom can be connected with materials, the specific connection mode is a mechanism commonly used in the prior art, only the point of the invention is described, after the lifting is finished, a driving part in the uppermost fastening piece is firstly started by an external controller to drive a bracket 3 to downwards move and clamp the outer part of an adjacent box body 2, then a driving part in a second fastening piece is started, so that when the bracket 3 of the second fastening piece is downwards moved and fixed, as shown in fig. 3, taking the first filling mechanism as an example, when the bracket 3 moves downwards, the sealing cylinder 4 is driven to move downwards, and then the piston 402 moves upwards in the sealing cylinder 4, and internal pressure is conveyed into the air bag 404 through the sealing pipeline 403, so that a gap between the limiting component 303 and the box body 2 is reduced, the fixing effect is improved, and the functions achieved by the other embodiments are similar to those in the using process.

The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.

Claims

1. A lifting device, which is characterized by comprising

Two groups of symmetrical supporting rods, wherein each group of supporting rods is fixedly connected with a longitudinal beam;

the two groups of transverse beams are arranged on the two longitudinal beams in a sliding manner, and an intermediate beam is fixedly connected between the two groups of transverse beams;

at least two symmetrical electric hoist installed at the bottom of the transverse beam; the first travelling mechanism is connected to the transverse beam, and the output end of the first travelling mechanism is connected with the longitudinal beam; the second travelling mechanism is connected to the electric hoist, and the output end of the second travelling mechanism is connected with the transverse beam;

the bottom of the middle beam is rotatably provided with a rotating frame, a driving part for driving the rotating frame to rotate is arranged on the middle beam, and two symmetrical overturning lifting appliances are arranged at the bottom of the rotating frame;

the output end of the electric hoist is provided with a second chain, and the second chain is provided with an anti-shake assembly; the anti-shaking assembly comprises a pull rod, and a first base and a second base which are fixedly connected to two ends of the pull rod to form a clamping piece, wherein hooks are arranged on the first base and the second base;

the box body is fixedly connected to the clamping piece, and the bracket slides on the pull rod; the support on the clamping piece is clamped outside the box body on the adjacent clamping piece when sliding downwards on the pull rod;

the support comprises a top plate which is connected to the pull rod in a sliding way, and a plurality of limiting parts which extend downwards along the edge of the top plate are positioned outside the box body to prevent the box body from swinging;

the box body is internally provided with a driving part for driving the bracket to slide on the pull rod, when the driving part drives the bracket to move downwards, the box bodies of the adjacent clamping pieces are clamped in the plurality of limiting parts, the overturning lifting appliance comprises a containing cavity arranged at the bottom of the rotating frame, a guide chain shaft is rotationally connected in the containing cavity, and a first chain is connected on the guide chain shaft; the first chain is lapped on the chain guide shaft and is provided with two connecting ends, and the connecting ends of the two first chains are connected to form an annular closed chain; the outer side of the accommodating cavity is connected with a second motor, the output end of the second motor is fixedly connected with the guide chain shaft, the driving part comprises a first motor arranged at the top of the middle beam, the output end of the first motor is connected with a rotating piece, the lower end of the rotating piece is fixedly connected with the rotating frame, and the driving part comprises a first driving unit arranged on the inner side wall of the box body; and a first gear installed at an output end of the first driving unit;

the driving part comprises a second driving unit arranged on the top wall of the box body and a screw rod arranged at the output end of the second driving unit, a screw sleeve matched with the screw rod in a threaded manner is fixedly arranged on the top plate of the bracket, the driving part comprises a cylinder arranged on the top wall of the box body, the output end of the cylinder is fixed with the top plate of the bracket, the box body is provided with a filling mechanism for tightly attaching a limiting part to the box body, and the filling mechanism comprises one or more sealing cylinder bodies arranged on the top plate of the bracket and one or more air bags arranged on the outer wall of the box body; the sealing cylinder is internally provided with a piston in a sealing sliding manner, the bottom of the piston is fixedly connected with a push rod, and the lower end of the push rod penetrates through the top plate of the bracket and extends downwards to be fixed with the second base; and the two ends of the sealing pipeline are respectively communicated with the air bag and the sealing cylinder.

2. The trolley of claim 1 wherein the filling mechanism comprises a frame structure slidably attached to the side walls of the box and a clamping plate located outside the box and mounted on the frame structure;

the inner wall of the box body is rotationally connected with a step gear, and the step gear comprises a large gear and a small gear which is concentric with the large gear and keeps synchronous rotation; the second rack meshed with the large gear is fixed on the clamping plate, and the third rack meshed with the small gear is fixedly connected to the top plate of the bracket.