CN116902856B - Lifting machine and lifting method - Google Patents
Lifting machine and lifting method Download PDFInfo
- Publication number
- CN116902856B CN116902856B CN202311159444.5A CN202311159444A CN116902856B CN 116902856 B CN116902856 B CN 116902856B CN 202311159444 A CN202311159444 A CN 202311159444A CN 116902856 B CN116902856 B CN 116902856B
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- sliding
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- support
- bracket
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 241000237983 Trochidae Species 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0658—Multiple scissor linkages horizontally arranged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
- B66F7/085—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated pneumatically operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Handcart (AREA)
Abstract
The invention relates to the technical field of lifting mechanisms, in particular to a lifting machine and a lifting method. The slide plate is arranged on one side of the lifting machine, the first roller is further arranged at the top of the lifting machine, the heavy objects can be transferred more easily, further, in order to prevent the heavy objects from slipping and misplacing in the lifting process, the detachable fixing support is arranged at the top of the top frame, the heavy objects play a role in limiting protection, and the width and the height of the fixing support are adjustable and can be suitable for heavy objects with different sizes.
Description
Technical Field
The invention relates to the technical field of lifting mechanisms, in particular to a lifter and a lifting method.
Background
The lifting machine is mechanical equipment for lifting and transporting heavy objects, and can lift cargoes or vehicles from low places to high places through power devices such as hydraulic or electric motors, thereby facilitating the operation of loading and unloading cargoes, maintaining vehicles and the like. Lifting machines are widely used in various industrial and commercial contexts, such as factories, logistics centers, shopping malls, parking lots, residential communities, and the like. The lifting machine is a very practical loading and unloading tool;
the existing lifting machine is basically constructed as a supporting plate, a lifting bracket and a driving source, when a heavy object needs to be lifted, the heavy object needs to be carried up by manpower, time and labor are consumed, the supporting plate at the top is not protected, the heavy object is not limited and protected in the lifting process, the danger of position deviation and sliding off is easily caused, further, when the size of the heavy object is far greater than that of the supporting plate, the lifting machine can not realize lifting of the heavy object, and the lifting machine has great limitation, for example, the lifting machine disclosed by application number CN201720150856.6, adopts a driving structure that a driving wheel is used for pressing the lower surface of the first force arm and the upper surface of the second force arm, the force arm can be prolonged to the greatest extent, the utilization efficiency of the driving force is improved, compared with the existing shearing lifting machine, the lifting of an object with the same weight is required, the original structure needs a cylinder with the diameter of 80-100mm, the lifting machine can be used for saving the space of the whole lifting machine, and the thickness of the lifting machine is only slightly thicker than the driving cylinder when the device is contracted, so that the lifting machine can be quite small. Although the lifting machine can improve the utilization efficiency of driving force and can be miniaturized, the lifting machine also has the problem of very difficult carrying of heavy objects and has potential safety hazards of falling in the process of lifting the heavy objects. Therefore, there is a need to design a novel lifting machine and a lifting method to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a lifting machine and a lifting method, which can enable heavy objects to be carried more time-saving and labor-saving, and have a measure of limiting protection in the lifting process, so that the stability of the lifting machine is greatly improved, and the use flexibility of the lifting machine is improved.
The technical scheme adopted by the invention is as follows:
the first aspect of the invention provides a lifter, which comprises a top frame, wherein a first slot is formed in the top frame in a penetrating manner, a sliding piece is arranged in the first slot, a second air cylinder is fixedly arranged on one side wall of the first slot, second slots are formed in the two sides of the top frame in a penetrating manner, a top shell is fixedly arranged in the second slots, fourth sliding grooves are formed in the two sides of the top frame, and a fixing support is arranged on the fourth sliding grooves;
the top shell comprises two symmetrical first side top plates, two second side top plates are arranged at two ends of the two first side top plates, and a left bracket and a right bracket are slidably arranged between the two first side top plates; bottom shells are fixedly arranged at the bottoms of the left bracket and the right bracket;
and a third fixing rod is further arranged between the left bracket and the right bracket and can stretch and retract along with the movement of the left bracket and the right bracket.
As a preferred technical scheme of the invention: two rotating plates are fixedly and symmetrically arranged on one side of the top frame, a sliding plate is arranged between the two rotating plates, the sliding plate comprises a rotating rod, the rotating rod is rotatably arranged between the two rotating plates, a plate body is fixedly arranged on one side of the rotating rod, and a plurality of balls are arranged on the surface of the plate body.
As a preferred technical scheme of the invention: the sliding part comprises four side plates, the four side plates are symmetrically and fixedly arranged on the inner wall of a first slot in pairs, a plurality of L-shaped fifth sliding grooves are formed in the inner wall of each side plate, a first fixing rod is slidably arranged in the middle of each fifth sliding groove of each side plate, a first roller is fixedly arranged on each first fixing rod, and second fixing rods are rotatably arranged on two sides of each first roller.
As a preferred technical scheme of the invention: the bottoms of the second fixing rods of the two side plates are respectively provided with the same first bottom plate, and the bottoms of the two first bottom plates are fixedly provided with the second bottom plates.
As a preferred technical scheme of the invention: the fixed support comprises a plurality of fixed sleeves, a plurality of second support rods are rotatably arranged on the fixed sleeves, the second support rods are in threaded connection with the first support rods, a fifth sliding block is fixedly arranged at the top of the first support rods, and the fifth sliding block is slidably arranged in the fourth sliding groove.
As a preferred technical scheme of the invention: the bottom shell comprises two symmetrical first side bottom plates, wherein a second side bottom plate is arranged at one end of each first side bottom plate, and a third side bottom plate is arranged at the other end of each first side bottom plate.
As a preferred technical scheme of the invention: the support plates are arranged above the two ends of the first side top plate, the corresponding first sliding grooves are formed in the inner side walls of the first side top plate, and the first fixing pieces are fixedly arranged in the middle of the two first side top plates.
As a preferred technical scheme of the invention: a sixth chute is formed in one side of the supporting plate, a first air cylinder is fixedly mounted at the bottom of the sixth chute, the second air cylinder can drive the first air cylinder to slide along the sixth chute, and a piston rod of the first air cylinder is connected with the second bottom plate.
As a preferred technical scheme of the invention: two corresponding second sliding grooves and third sliding grooves are formed in the inner side walls of the first side bottom plates, second fixing pieces are fixedly installed in the middle of the first side bottom plates, two second idler wheels are installed on the outer side walls of the second side bottom plates, and handles are installed on the third side bottom plates.
As a preferred technical scheme of the invention: the left brackets comprise a first left bracket and a second left bracket, the first left bracket is rotatably arranged on the inner side wall of the second left bracket, first sliding blocks are arranged on two sides of the top of the first left bracket, second sliding blocks are arranged on two sides of the bottom of the second left bracket, and a first limiting plate is rotatably arranged in the middle of the first left bracket; the right support comprises a first right support and a second right support, the first right support is rotatably arranged on the inner side wall of the second right support, third sliding blocks are arranged on two sides of the top of the first right support, fourth sliding blocks are arranged on two sides of the bottom of the second right support, and a second limiting plate is rotatably arranged in the middle of the first right support;
as a preferred technical scheme of the invention: one side of the second fixing piece is rotatably provided with a first left bracket, the other end of the second fixing piece is fixedly provided with a third cylinder, and a piston rod of the third cylinder is connected with the middle of the top of the first right bracket.
The second aspect of the present invention provides a lifting method, comprising the steps of:
s1, rotating a folded sliding plate to be attached to the bottom surface;
s2, pushing the weight to the top frame along the ball on the plate body, and sliding to a middle position along the first roller;
s3, starting a second air cylinder, and moving the first fixing rod out of the horizontal groove of the L-shaped fifth sliding groove;
s4, starting a first cylinder, and moving a first roller in the sliding piece to the position below the side plate;
s5, installing fixing brackets, enabling a fifth sliding block to slide in along an inlet of a fourth sliding groove and to be respectively positioned at four corners of a top frame, enabling a second supporting rod to be connected with a first supporting rod of the fifth sliding block in a threaded mode, then installing fixing sleeves in a rotating mode on the second supporting rod, installing a vertical first supporting rod and a vertical second supporting rod in a rotating mode on each fixing sleeve, installing the fixing sleeves, respectively installing two first supporting rods horizontally between each fixing sleeve, enabling the second supporting rods to be connected with the middle of the two first supporting rods in a threaded mode, forming a peripheral rectangular frame, adjusting angles and limiting the periphery of a heavy object;
s6, starting a third cylinder, wherein a piston rod of the third cylinder can push the first right bracket and the second right bracket to move close, and simultaneously, driving the first left bracket and the second left bracket to move close, so that the top shell can move upwards;
and S7, when the hydraulic jack descends, the oil return pipeline is opened, the piston rod is pressed into the oil return cylinder under the action of the dead weight of the working platform and the load, the first right support and the second right support are mutually far away, and meanwhile the first left support and the second left support are driven to be mutually far away, and the top shell moves downwards to achieve descending.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the lifting machine, the foldable sliding plate is arranged on one side, the plurality of balls are uniformly arranged on the surface of the sliding plate, when a heavy object is required to be carried, the heavy object is placed at the bottom of the sliding plate and can be easily moved upwards by pushing the heavy object, the first roller is further arranged at the top of the lifting machine, the heavy object can be contacted with the first roller when reaching the top, and the heavy object can be easily moved to the middle position under the action of the first roller, so that the labor and time consumed by work are greatly reduced, and the working efficiency is greatly improved. And then the first air cylinder and the second air cylinder are started to move the first roller below the side plate, so that rolling deflection caused by too low friction force in the lifting process of the weight is prevented.
2. According to the lifting machine, the fourth sliding grooves are formed in the two sides of the top frame, the four fifth sliding blocks are slidably arranged in the fourth sliding grooves and are respectively located at four corners, the first supporting rod and the second supporting rod are fixedly arranged on each fifth sliding block to form the rectangular support with the upper layer and the lower layer, the fixing sleeves are arranged at the corners, the stability of the whole fixing support is greatly improved, the stability of a heavy object in the lifting process is also improved, the heavy object plays a role in protecting and limiting, meanwhile, the first supporting rod and the second supporting rod are in threaded connection, the length and the width of the fixing support can be adjusted, the lifting machine can be suitable for heavy objects with different sizes, and the flexibility and the applicability of the lifting machine are improved. Further, the fixed support is detachable, one end of the fourth chute is in a sealed state, the outlet of the other end of the fourth chute is openable, when the heavy object is lifted to a fixed position or the lifting machine is not used, the threads of the first support rod, the second support rod and the fixed sleeve are loosened and detached, and then the fifth sliding block slides out of the outlet of the fourth chute on two sides, so that the follow-up treatment work after lifting of the heavy object is not affected, and the problem that the lifting machine occupies a large space when not in use is solved.
Drawings
FIG. 1 is a schematic view of the overall structure of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a top frame according to a preferred embodiment of the present invention;
FIG. 3 is a second schematic view of a top frame according to a preferred embodiment of the present invention;
FIG. 4 is a schematic view showing a structure of a slider according to a preferred embodiment of the present invention;
FIG. 5 is a second schematic view of a sliding member according to the preferred embodiment of the present invention;
FIG. 6 is a schematic view of a side plate according to a preferred embodiment of the present invention;
FIG. 7 is a schematic view showing the structure of a left bracket according to a preferred embodiment of the present invention;
FIG. 8 is a schematic view showing the structure of a right bracket according to a preferred embodiment of the present invention;
FIG. 9 is a schematic view showing the structure of a fixing bracket according to a preferred embodiment of the present invention;
FIG. 10 is an enlarged schematic view of the structure of FIG. 9A in accordance with the preferred embodiment of the present invention;
FIG. 11 is a schematic view of the structure of the top shell in the preferred embodiment of the present invention;
FIG. 12 is an enlarged schematic view of the structure of FIG. 11B in accordance with the preferred embodiment of the present invention;
FIG. 13 is a schematic view of the structure of the bottom chassis in the preferred embodiment of the present invention;
figure 14 is a schematic view of the structure of a skateboard in a preferred embodiment of the invention.
The meaning of each label in the figure is:
1. a top frame; 101. a first slot; 102. a second slot; 103. a fourth chute; 104. a rotating plate; 105. a second cylinder;
2. a slider; 201. a side plate; 2011. a fifth chute; 202. a second base plate; 203. a first roller; 204. a first base plate; 205. a first fixing rod; 206. a second fixing rod;
3. a left bracket;
31. a first left bracket; 311. a first slider;
32. a second left bracket; 321. a second slider;
33. a first limiting plate;
4. a right bracket;
41. a first right bracket; 411. a third slider;
42. a second right bracket; 421. a fourth slider;
43. a second limiting plate;
5. a fixed bracket; 501. a first support bar; 502. a second support bar; 503. a fifth slider; 504. a fixed sleeve;
6. a top shell;
601. a first side roof panel; 6011. a first chute; 6012. a first fixing member;
602. a second side roof panel;
603. a support plate; 6031. a sixth chute; 6032. a first cylinder;
7. a bottom case;
71. a first side floor; 711. a second chute; 712. a third chute; 713. a second fixing member;
72. a second side floor; 721. a second roller;
73. a third side floor; 731. a handle;
8. a slide plate; 801. a plate body; 802. a ball; 803. a rotating lever;
9. a third cylinder;
10. and a third fixing rod.
Detailed Description
It should be noted that, under the condition of no conflict, the embodiments of the present embodiments and features in the embodiments may be combined with each other, and the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-14, in order to increase the flexibility of use and stability of the lifting machine, the present embodiment provides a lifting machine, which comprises a top frame 1, two rotating plates 104 are fixedly and symmetrically installed on one side of the top frame 1, a sliding plate 8 is disposed between the two rotating plates 104, the sliding plate 8 comprises a rotating rod 803, the rotating rod 803 is rotatably installed between the two rotating plates 104, a plate body 801 is fixedly installed on one side of the rotating rod 803, a plurality of balls 802 are disposed on the surface of the plate body 801, the plate body 801 can be folded over the top frame 1, and the balls 802 are used for reducing friction between a weight and the plate body 801, so that the weight is more easily pushed up.
The both sides of top frame 1 have all run through and have seted up second fluting 102, second fluting 102 internal fixation is equipped with top shell 6, wherein, top shell 6 includes two symmetrical first side roof 601, second side roof 602 is installed at the both ends of two first side roof 601, backup pad 603 is all installed to two first side roof 601 both ends top, corresponding first spout 6011 has all been seted up to the inside wall of two first side roof 601, fixed mounting has first mounting 6012 in the middle of two first side roof 601. In order to realize the lifting function of the lifting machine, a left bracket 3 and a right bracket 4 are slidably installed between two first side top plates 601, the left bracket 3 comprises a first left bracket 31 and a second left bracket 32, the first left bracket 31 is rotatably installed on the inner side wall of the second left bracket 32, first sliding blocks 311 are installed on two sides of the top of the first left bracket 31, second sliding blocks 321 are installed on two sides of the bottom of the second left bracket 32, and a first limiting plate 33 is rotatably installed in the middle of the first left bracket 31. Meanwhile, the right bracket 4 comprises a first right bracket 41 and a second right bracket 42, the first right bracket 41 is rotatably mounted on the inner side wall of the second right bracket 42, the third sliding blocks 411 are mounted on two sides of the top of the first right bracket 41, the fourth sliding blocks 421 are mounted on two sides of the bottom of the second right bracket 42, and the second limiting plate 43 is rotatably mounted in the middle of the first right bracket 41.
Further, bottom cases 7 are fixedly arranged at the bottoms of the left bracket 3 and the right bracket 4, the bottom cases 7 comprise two symmetrical first side bottom plates 71, a second side bottom plate 72 is arranged at one end of the two first side bottom plates 71, and a third side bottom plate 73 is arranged at the other end of the two first side bottom plates 71. Two corresponding second sliding grooves 711 and third sliding grooves 712 are formed in the inner side walls of the two first side bottom plates 71, a second fixing piece 713 is fixedly installed in the middle of the two first side bottom plates 71, two second rolling wheels 721 are installed on the outer side walls of the second side bottom plates 72 for facilitating movement and carrying of the lifter after folding, and a handle 731 is installed on the third side bottom plates 73. Further, the second left bracket 32 is rotatably mounted on one side of the first fixing member 6012, the third slide 411 is slidably mounted in the first slide slot 6011, the first left bracket 31 is rotatably mounted on one side of the second fixing member 713, the third cylinder 9 is fixedly mounted at the other end of the second fixing member 713, a piston rod of the third cylinder 9 is connected to the middle of the top of the first right bracket 41, the second slide 321 is slidably mounted in the second slide slot 711, and the fourth slide 421 is slidably mounted in the third slide slot 712. A third fixing rod 10 is arranged between the left bracket 3 and the right bracket 4, and the third fixing rod 10 can stretch and retract along with the movement of the left bracket 3 and the right bracket 4. When the third cylinder 9 is started, the piston rod of the third cylinder 9 pushes the first right bracket 41 to move rightward along the first sliding groove 6011, because the middle of the first right bracket 41 and the second right bracket 42 is fixedly connected through a long rod, the bottom of the first right bracket 41 and the top of the second right bracket 42 are both fixed, and therefore the fourth slide block 421 is driven to move rightward along the third sliding groove 712, and because the central heights of the left bracket 3 and the right bracket 4 are the same, the positions of the bottom of the first left bracket 31 and the top of the second left bracket 32 are fixed, and therefore, the second slide block 321 moves rightward along the second sliding groove 711, the first slide block 311 moves rightward along the inner wall of the first side top plate 601, and the lifting machine can lift; the descending process is as follows, the oil return pipeline is opened, the piston rod is pressed into the oil return cylinder under the action of the dead weight of the working platform and the load, and all the sliding blocks can move leftwards along the sliding groove.
In order to enable the heavy objects to easily move to the middle of the top frame 1, the top frame 1 is provided with a first slot 101 in a penetrating manner, the inside of the first slot 101 is provided with a sliding piece 2, wherein the sliding piece 2 comprises four side plates 201, the four side plates 201 are symmetrically and fixedly arranged on the inner wall of the first slot 101 in pairs, the inner walls of the four side plates 201 are provided with a plurality of L-shaped fifth sliding grooves 2011, a first fixing rod 205 is slidably arranged in the middle of each of the fifth sliding grooves 2011 of the two side plates 201, a first roller 203 is fixedly arranged on each of the first fixing rods 205, second fixing rods 206 are rotatably arranged on two sides of the first roller 203 of each of the first fixing rods 205, the bottoms of the second fixing rods 206 of the two side plates 201 are respectively provided with the same first bottom plate 204, when the heavy objects move on the first roller 203, the first fixing rods 205 are pushed to one end of each of the L-shaped fifth sliding grooves 2011, which is far away from the vertical grooves, in order to adjust the position of the first bottom plates 204, the first fixing rods 205 are moved below the side plates 201, the bottoms of the two first bottom plates 204 are fixedly provided with the second bottom plates 202, one side of one supporting plate 603 is provided with a sixth sliding groove 6031, the bottom of the sixth sliding groove 6031 is fixedly provided with a first air cylinder 6032, a piston rod of the first air cylinder 6032 is connected with the second bottom plates 202, the first air cylinder 6032 can enable the whole first roller 203 equipment to move downwards, in order to enable the first roller 203 equipment to be far away from a horizontal groove of the L-shaped fifth sliding groove 2011, one side wall of the first slot 101 is fixedly provided with a second air cylinder 105, the second air cylinder 105 can drive the first air cylinder 6032 to slide along the sixth sliding groove 6031, in this way, the second air cylinder 105 drives the first air cylinder 6032 and the second bottom plates 202 connected with the first air cylinder 6032 to move towards the vertical groove direction of the fifth sliding groove 2011, the second bottom plates 202 are fixedly arranged with the two first bottom plates 204, therefore, the first fixing rod 205 also moves toward the vertical slot direction of the fifth chute 2011, and when moving to correspond to the vertical slot direction of the fifth chute 2011, the first cylinder 6032 is activated, and the first cylinder 6032 drives the whole first roller 203 to move downward. So that the first roller 203 is away from the side plate 201.
In order to prevent the safety risk caused by the deviation of the position of the heavy object in the ascending process, the two sides of the top frame 1 are provided with the fourth sliding groove 103, one end of the fourth sliding groove 103 is sealed, the sealing part of the other end can be opened, and the fourth sliding groove 103 is provided with the fixed bracket 5. The fixing bracket 5 comprises a plurality of fixing sleeves 504, the fixing sleeves 504 are mainly used for fixing two support rods in different directions, a plurality of second support rods 502 are rotatably arranged on the fixing sleeves 504, the second support rods 502 are in threaded connection with the first support rods 501, a fifth sliding block 503 is fixedly arranged at the top of the first support rods 501, and the fifth sliding block 503 is slidably arranged in the fourth sliding groove 103. The both ends of the fourth spout 103 of both sides all are equipped with fifth slider 503, constitute the fixed knot of bottom constructs, and the length and width of bottom all can change the size, through rotating first bracing piece 501 and second bracing piece 502, simultaneously, the frame size at top and the height-adjustable of frame have all realized being applicable to not unidimensional heavy object, increase its steady point nature and the flexibility of using.
In another aspect, the invention provides a lifting method, comprising the steps of:
s1, rotating a folded sliding plate 8 to be attached to the bottom surface;
s2, pushing the weight to the top frame 1 along the ball 802 on the plate 801, and sliding to a middle position along the first roller 203;
s3, starting the second cylinder 105, and moving the first fixing rod 205 out of the horizontal groove of the L-shaped fifth sliding groove 2011;
s4, starting a first cylinder 6032 to move a first roller 203 in the sliding piece 2 to the lower side of the side plate 201;
s5, installing a fixed bracket 5, sliding a fifth sliding block 503 into the top frame along the inlet of a fourth sliding groove 103, respectively locating at four corners of the top frame 1, connecting a second supporting rod 502 with first supporting rods 501 of the fifth sliding block 503 in a threaded manner, then rotatably installing fixed sleeves 504 on the second supporting rods 502, rotatably installing vertical first supporting rods 501 and second supporting rods 502 on each fixed sleeve 504, and then installing fixed sleeves 504, wherein two first supporting rods 501 are respectively horizontally installed between each fixed sleeve 504, the second supporting rods 502 are connected with the middle of the two first supporting rods 501 in a threaded manner, so that a peripheral rectangular frame is formed, the angle is adjusted, and the periphery of a weight is limited;
s6, starting a third air cylinder 9, wherein a piston rod of the third air cylinder 9 pushes a first right bracket 41 and a second right bracket 42 to be close to each other and move, and simultaneously drives a first left bracket 31 and a second left bracket 32 to be close to each other and move, so that the top shell 6 can move upwards;
and S7, when the hydraulic jack descends, an oil return pipeline is opened, under the action of the dead weight of the working platform and the load, the piston rod is pressed into the oil return cylinder, the first right support 41 and the second right support 42 are mutually far away, and meanwhile, the first left support 31 and the second left support 32 are driven to be mutually far away, and the top shell 6 moves downwards to achieve descending.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A lifter comprising a top frame (1), characterized in that: the top frame (1) is provided with a first slot (101) in a penetrating mode, a sliding piece (2) is arranged in the first slot (101), a second cylinder (105) is fixedly arranged on one side wall of the first slot (101), two sides of the top frame (1) are provided with second slots (102) in a penetrating mode, a top shell (6) is fixedly arranged in the second slots (102), two sides of the top frame (1) are provided with fourth sliding grooves (103), and the fourth sliding grooves (103) are provided with fixing supports (5);
the top shell (6) comprises two symmetrical first side top plates (601), second side top plates (602) are arranged at two ends of the two first side top plates (601), and a left bracket (3) and a right bracket (4) are slidably arranged between the two first side top plates (601); bottom shells (7) are fixedly arranged at the bottoms of the left bracket (3) and the right bracket (4);
a third fixing rod (10) is further arranged between the left bracket (3) and the right bracket (4), and the third fixing rod (10) can stretch and retract along with the movement of the left bracket (3) and the right bracket (4);
the sliding piece (2) comprises four side plates (201), the four side plates (201) are symmetrically and fixedly arranged on the inner wall of the first slot (101) in pairs, a plurality of L-shaped fifth sliding grooves (2011) are formed in the inner wall of each of the four side plates (201), first fixing rods (205) are slidably arranged in the middle of each of the two fifth sliding grooves (2011) of each of the two side plates (201), first idler wheels (203) are fixedly arranged on each of the first fixing rods (205), and second fixing rods (206) are rotatably arranged on two sides of each of the first idler wheels (203);
the fixing support (5) comprises a plurality of fixing sleeves (504), a plurality of second supporting rods (502) are rotatably arranged on the fixing sleeves (504), the second supporting rods (502) are in threaded connection with the first supporting rods (501), a fifth sliding block (503) is fixedly arranged at the top of the first supporting rods (501), and the fifth sliding block (503) is slidably arranged in the fourth sliding groove (103);
support plates (603) are arranged above two ends of the first side top plates (601), corresponding first sliding grooves (6011) are formed in the inner side walls of the two first side top plates (601), first fixing pieces (6012) are fixedly arranged in the middle of the two first side top plates (601), a sixth sliding groove (6031) is formed in one side of each support plate (603), a first air cylinder (6032) is fixedly arranged at the bottom of each sixth sliding groove (6031), the second air cylinders (105) can drive the first air cylinders (6032) to slide along the sixth sliding grooves (6031), and piston rods of the first air cylinders (6032) are connected with the second bottom plate (202);
the left support (3) comprises a first left support (31) and a second left support (32), the first left support (31) is rotatably arranged on the inner side wall of the second left support (32), first sliding blocks (311) are respectively arranged on two sides of the top of the first left support (31), second sliding blocks (321) are respectively arranged on two sides of the bottom of the second left support (32), and a first limiting plate (33) is rotatably arranged in the middle of the first left support (31); the right support (4) comprises a first right support (41) and a second right support (42), the first right support (41) is rotatably mounted on the inner side wall of the second right support (42), third sliding blocks (411) are mounted on two sides of the top of the first right support (41), fourth sliding blocks (421) are mounted on two sides of the bottom of the second right support (42), and a second limiting plate (43) is rotatably mounted in the middle of the first right support (41).
2. A lifter according to claim 1, characterized in that: two rotating plates (104) are fixedly and symmetrically arranged on one side of the top frame (1), a sliding plate (8) is arranged between the two rotating plates (104), the sliding plate (8) comprises a rotating rod (803), the rotating rod (803) is rotatably arranged between the two rotating plates (104), a plate body (801) is fixedly arranged on one side of the rotating rod (803), and a plurality of balls (802) are arranged on the surface of the plate body (801).
3. A lifter according to claim 2, characterized in that: the bottoms of the second fixing rods (206) of the two side plates (201) are respectively provided with the same first bottom plate (204), and the bottoms of the two first bottom plates (204) are fixedly provided with the second bottom plates (202).
4. A lifter according to claim 3, characterized in that: the bottom shell (7) comprises two symmetrical first side bottom plates (71), a second side bottom plate (72) is arranged at one end of each first side bottom plate (71), a third side bottom plate (73) is arranged at the other end of each first side bottom plate (71), two corresponding second sliding grooves (711) and third sliding grooves (712) are formed in the inner side walls of each first side bottom plate (71), a second fixing piece (713) is fixedly arranged in the middle of each first side bottom plate (71), two second rolling wheels (721) are arranged on the outer side walls of each second side bottom plate (72), and handles (731) are arranged on the third side bottom plates (73).
5. A lift as claimed in claim 4, wherein: one side of the second fixing piece (713) is rotatably provided with a first left bracket (31), the other end of the second fixing piece (713) is fixedly provided with a third air cylinder (9), and a piston rod of the third air cylinder (9) is connected with the middle of the top of the first right bracket (41).
6. The lifting method of a lifter according to claim 5, comprising the steps of:
s1, rotating a folded sliding plate (8) to be attached to the bottom surface;
s2, pushing the weight to the top frame (1) along the ball (802) on the plate body (801), and sliding to a middle position along the first roller (203);
s3, starting the second cylinder (105) and moving the first fixing rod (205) out of the horizontal groove of the L-shaped fifth sliding groove (2011);
s4, starting a first cylinder (6032) to move a first roller (203) in the sliding piece (2) to the lower part of the side plate (201);
s5, installing fixing brackets (5), sliding a fifth sliding block (503) into the top frame (1) along the inlet of a fourth sliding groove (103), respectively locating at four corners of the top frame (1), connecting a second supporting rod (502) on the first supporting rod (501) of the fifth sliding block (503) in a threaded manner, then rotatably installing fixing sleeves (504) on the second supporting rod (502), rotatably installing vertical first supporting rods (501) and second supporting rods (502) on each fixing sleeve (504), installing fixing sleeves (504), respectively horizontally installing two first supporting rods (501) between each fixing sleeve (504), connecting the second supporting rods (502) in the middle of the two first supporting rods (501) in a threaded manner, forming a peripheral rectangular frame, adjusting angles and limiting the periphery of a weight;
s6, starting a third air cylinder (9), wherein a piston rod of the third air cylinder (9) pushes the first right bracket (41) and the second right bracket (42) to move close, and simultaneously drives the first left bracket (31) and the second left bracket (32) to move close, so that the top shell (6) can move upwards;
and S7, when the hydraulic jack descends, an oil return pipeline is opened, under the action of the dead weight of the working platform and a load, the piston rod is pressed into the oil return cylinder, the first right support (41) and the second right support (42) are mutually far away, and meanwhile the first left support (31) and the second left support (32) are driven to be mutually far away, and the top shell (6) moves downwards to achieve descending.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311159444.5A CN116902856B (en) | 2023-09-11 | 2023-09-11 | Lifting machine and lifting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311159444.5A CN116902856B (en) | 2023-09-11 | 2023-09-11 | Lifting machine and lifting method |
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| CN116902856A CN116902856A (en) | 2023-10-20 |
| CN116902856B true CN116902856B (en) | 2023-11-14 |
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| Publication number | Publication date |
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| CN116902856A (en) | 2023-10-20 |
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