An on-site hoisting device for intelligent cold storage panels

Abstract

The present invention relates to the field of hoisting equipment, and specifically to an intelligent cold storage panel on-site lifting device, comprising a bracket, a lifting mechanism, a limit plate and a limit mechanism. There are two lifting mechanisms, which are arranged at intervals in the left and right directions; each lifting mechanism comprises a slider, a telescopic cylinder, a mounting seat, a first driving member and a pull rope; when the center of gravity of the cold storage panel deviates from the reference axis, a height difference is generated at the lower ends of the two pull ropes; the limit mechanism causes the lower end of the pull rope on the higher side to approach the other pull rope until the lower ends of the two pull ropes are in the same horizontal plane. During this process, the pull rope squeezes the telescopic cylinder through the mounting seat, causing the hydraulic oil in the two telescopic cylinders to flow back and forth, so that the tension on the two pull ropes remains dynamically balanced, avoiding aggravated damage or breakage of the pull rope with the larger force due to inconsistent force on the two pull ropes.

Description

Technical Field

[0001] The present invention relates to the field of hoisting equipment, and in particular to an on-site hoisting device for intelligent cold storage panels. Background Art

[0002] Cold storage panels are generally made of 10 cm thick panels, with lightweight insulation materials as the inner material of the cold storage panels. They have good insulation performance and are easy to disassemble and assemble. During the loading and unloading process, in order to save manpower, cold storage panels are generally lifted and transported by a lifting device. Since the lifting device is generally connected to the cold storage panel by ropes, the cold storage panel is prone to shaking during the lifting and moving process. The utility model patent with the authorization announcement number CN215974532U discloses a new lifting device for cold storage polyurethane cold storage panels. During the lifting and moving process of the cold storage panel, the placement panel is kept stable relative to the connecting block by docking the first positioning plate and the second positioning plate, thereby keeping the cold storage panel on the placement panel stable. This method is suitable for horizontal lifting of cold storage panels. When the cold storage panel needs to be lifted vertically, due to the different shapes and specifications of the cold storage panel during the production process, its center of gravity is offset. During the lifting process, the forces on different ropes are inconsistent, which in turn causes some ropes with greater forces to wear and break, posing a safety hazard. Summary of the Invention

[0003] The present invention provides an intelligent on-site hoisting device for cold storage panels, so as to solve the problem of inconsistent force on multiple pull ropes during the hoisting of cold storage panels.

[0004] The intelligent cold storage panel on-site hoisting device of the present invention adopts the following technical solutions:

[0005] An intelligent on-site lifting device for cold storage panels, used for lifting cold storage panels, includes a bracket, a lifting mechanism, a limit plate and a limit mechanism, there are two lifting mechanisms, and the two lifting mechanisms are spaced apart in the left and right directions; each lifting mechanism includes a slider, a telescopic oil cylinder, a mounting seat, a first driving member and a pull rope; the slider is mounted on the bracket for left and right sliding movement, and the mounting seat is mounted on the slider for up and down sliding movement, and is connected to the slider through a vertically extending telescopic oil cylinder; the telescopic oil cylinders of the two lifting mechanisms are connected through an oil pipe; the first driving member is mounted on the mounting seat for winding the pull rope; the upper end of the pull rope is connected to the first driving member, and the lower end of the pull rope is mounted on the limit plate; the limit plate hooks the cold storage panel at two positions in the left and right directions; in the initial state, The limiting mechanism fixes the position of the lower end of the pull rope on the limiting plate, and the lower ends of the pull ropes of the two lifting mechanisms and the two hooking positions of the limiting plate and the cold storage plate are symmetrical about the same vertical reference axis; in the process of the cold storage plate being lifted, if the center of gravity of the cold storage plate deviates from the reference axis, the cold storage plate drives the mounting seat of one of the lifting mechanisms to move downward relative to the mounting seat of the other lifting mechanism through the limiting plate, the pull rope, and the first driving member under the action of gravity, causing the limiting plate to tilt, and then the sliders of the two lifting mechanisms to approach each other, resulting in a height difference between the lower ends of the two pull ropes; the limiting mechanism causes the lower end of the pull rope on the higher side to approach the other pull rope until the lower ends of the two pull ropes are in the same horizontal plane.

[0006] Furthermore, the lower end of the pull rope is connected to a connecting block; there are two limiting mechanisms, which are respectively connected to the connecting blocks of the two pull ropes, and each limiting mechanism includes a second driving member and a push rod, and the connecting block is installed on the limiting plate for sliding left and right; the push rod extends in the left and right directions and one end is connected to the connecting block, and the push rod slides left and right under the drive of the second driving member; the second driving member drives the connecting block to slide left and right through the push rod in the started state, and keeps the connecting block stationary through the push rod in the stopped state of the second driving member.

[0007] Furthermore, an installation groove is provided in the limiting plate, and a sliding hole is provided on the side wall of the installation groove; the limiting mechanism also includes a rotating wheel, the central axis of the rotating wheel can rotatably pass through the connecting block and be slidably installed in the sliding hole. When the push rod pushes or pulls the connecting block to move, the connecting block drives the rotating wheel to rotate in the installation groove through the central axis.

[0008] Furthermore, two hooks are provided on the limiting plate for hooking the cold storage panel; in the initial state, the limiting plate is in a horizontal state, and the two hooks are symmetrical about the reference axis.

[0009] Furthermore, a roller is provided between the slider and the bracket, and the slider moves left and right on the bracket via the roller.

[0010] Furthermore, the bottom of the bracket is provided with running wheels and feet, and the feet are a liftable structure.

[0011] The beneficial effect of the present invention is that the intelligent cold storage panel on-site lifting device of the present invention is provided with two lifting mechanisms. When the center of gravity of the cold storage panel deviates from the reference axis, the cold storage panel drives the mounting seat of one of the lifting mechanisms to move downward relative to the mounting seat of the other lifting mechanism through the limit plate, the pull rope, and the first driving member under the action of gravity, so that the hydraulic oil in the telescopic cylinder of one lifting mechanism enters the telescopic cylinder of the other lifting mechanism through the oil pipe, thereby allowing the limit plate to tilt and a height difference is generated at the lower ends of the two pull ropes; then the limit mechanism causes the lower end of the pull rope on the higher side to approach the other pull rope until the lower ends of the two pull ropes are in the same horizontal plane. During this process, the pull rope on the higher side approaches the center of gravity of the cold storage panel and is subjected to increased tension from the cold storage panel, squeezing the hydraulic oil in its corresponding telescopic cylinder back into the telescopic cylinder of the other lifting mechanism, causing the pull rope of the other lifting mechanism to move upward and be subjected to increased tension, thereby maintaining a dynamic balance of tension on the two pull ropes during the movement of the lower ends of the pull ropes, thereby avoiding inconsistent force on the two pull ropes, which causes the pull rope with greater force to be aggravated or broken.

[0012] Furthermore, when the lower ends of the two pull ropes move left and right, the sliders of the two lifting mechanisms are driven by the two pull ropes to move closer to or away from each other, so that the two pull ropes remain vertical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 This is a schematic diagram of the overall structure of an on-site lifting device for intelligent cold storage panels of the present invention;

[0015] Figure 2 This is a schematic diagram of the overall structure of an on-site lifting device for an intelligent cold storage panel according to the present invention;

[0016] Figure 3 This is a schematic diagram of the structure of the bracket and slider in an on-site lifting device for cold storage panels of the present invention;

[0017] Figure 4 for Figure 3 A in the middle is an enlarged schematic diagram;

[0018] Figure 5 for Figure 3 The enlarged schematic diagram of point B in the middle;

[0019] Figure 6This is a structural diagram of a mounting base and a first driving member in an on-site hoisting device for a smart cold storage panel of the present invention;

[0020] Figure 7 This is a schematic diagram of the connection between the pull rope and the limit mechanism in an on-site lifting device for a smart cold storage panel of the present invention;

[0021] Figure 8 This is a schematic diagram of the rotary wheel structure in an on-site hoisting device for intelligent cold storage panels of the present invention;

[0022] Figure 9 This is a schematic cross-sectional view of the limit plate structure in an on-site hoisting device for an intelligent cold storage panel of the present invention;

[0023] Figure 10 This is a schematic diagram of the cold storage panel structure;

[0024] In the figure: 100, bracket; 110, walking wheel; 120, foot; 200, lifting mechanism; 210, slider; 211, roller; 220, telescopic cylinder; 230, mounting seat; 231, baffle; 240, first driving member; 241, winding wheel; 250, pull rope; 251, connecting block; 260, oil pipe; 300, limit plate; 310, mounting groove; 320, sliding hole; 330, rack; 340, hook; 400, limit mechanism; 410, second driving member; 420, push rod; 430, rotating wheel; 431, center axis; 500, cold storage plate; 510, lifting ring. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] An embodiment of an intelligent cold storage panel on-site hoisting device of the present invention is as follows Figures 1 to 10 As shown, it is used to hoist the cold storage panel 500, including a bracket 100, a lifting mechanism 200, a limiting plate 300 and a limiting mechanism 400.

[0027] There are two lifting mechanisms 200, and the two lifting mechanisms 200 are arranged at intervals in the left and right directions; each lifting mechanism 200 includes a slider 210, a telescopic cylinder 220, a mounting seat 230, a first driving member 240 and a pull rope 250; the slider 210 is mounted on the bracket 100 for left and right sliding, and the mounting seat 230 is mounted on the slider 210 for up and down sliding, and is connected to the slider 210 through a vertically extending telescopic cylinder 220; specifically, a horizontal baffle 231 is provided at the upper end of the mounting seat 230, and an avoidance groove is reserved in the slider 210. The baffle 231 is mounted in the avoidance groove in the slider 210 for up and down sliding, and the telescopic cylinder 220 extends vertically and is arranged in the avoidance groove, and the upper and lower ends of the telescopic cylinder 220 are respectively abutted against the baffle 231 and the bottom of the avoidance groove. The telescopic cylinder 220 is filled with hydraulic oil, and the telescopic cylinders 220 of the two lifting mechanisms 200 are connected through an oil pipe 260. The first driving member 240 is mounted on the mounting base 230 and is used to reel in the pull rope 250. The two first driving members 240 reel in the two pull ropes 250 at the same speed. The upper end of the pull rope 250 is connected to the first driving member 240, and the lower end of the pull rope 250 is mounted on the limit plate 300. The limit plate 300 hooks the cold storage panel 500 at two positions in the left and right directions.

[0028] In the initial state, the limiting mechanism 400 fixes the position of the lower end of the pull rope 250 on the limiting plate 300, and the lower ends of the pull ropes 250 of the two lifting mechanisms 200 and the two hooking positions of the limiting plate 300 and the cold storage plate 500 are symmetrical about the same vertical reference axis; in the process of the cold storage plate 500 being lifted, if the center of gravity of the cold storage plate 500 deviates from the reference axis, the cold storage plate 500 drives the mounting seat 230 of one of the lifting mechanisms 200 to move downward relative to the mounting seat 230 of the other lifting mechanism 200 through the limiting plate 300, the pull rope 250, and the first driving member 240 under the action of gravity, so that the hydraulic oil in the telescopic cylinder 220 of one of the lifting mechanisms 200 enters the telescopic cylinder 220 of the other lifting mechanism 200 through the oil pipe 260. The telescopic cylinder 220 allows the limit plate 300 to tilt, creating a height difference between the lower ends of the two ropes 250. The limit mechanism 400 then causes the lower end of the rope 250 on the higher side to move closer to the other rope 250 until the lower ends of the two ropes 250 are on the same horizontal plane. During this process, the rope 250 on the higher side approaches the center of gravity of the cold storage panel 500, and the tension from the cold storage panel 500 increases. This squeezes the hydraulic oil in its corresponding telescopic cylinder 220 back into the telescopic cylinder 220 of the other lifting mechanism 200, causing the rope 250 of the other lifting mechanism 200 to move upward and increase the tension. This ensures that the tension on the two ropes 250 during the movement of the lower ends of the ropes 250 remains dynamically balanced. As the lower ends of the two ropes 250 move left and right, the sliders 210 of the two lifting mechanisms 200, driven by the two ropes 250, move closer to or farther from each other, keeping the two ropes 250 vertical.

[0029] Optionally, the first driving member 240 is a motor, and a winding wheel 241 is installed on the output shaft of the first driving member 240 for winding up the upper end of the pull rope 250.

[0030] In another embodiment of the present invention, the lower end of the pull rope 250 is connected to the connecting block 251; there are two limiting mechanisms 400, which are respectively connected to the connecting blocks 251 of the two pull ropes 250, and each limiting mechanism 400 includes a second driving member 410 and a push rod 420, and the connecting block 251 is installed on the limiting plate 300 for sliding left and right; the push rod 420 extends in the left and right directions and one end is connected to the connecting block 251, and the push rod 420 slides left and right under the drive of the second driving member 410; the second driving member 410 drives the connecting block 251 to slide left and right through the push rod 420 in the started state, and keeps the connecting block 251 stationary through the push rod 420 in the stopped state of the second driving member 410.

[0031] Optionally, the second driving member 410 is a hydraulic cylinder, and can be remotely controlled to start and stop.

[0032] In another embodiment of the present invention, a mounting groove 310 is provided in the limiting plate 300, and a sliding hole 320 is provided on the side wall of the mounting groove 310. The limiting mechanism 400 also includes a rotating wheel 430. The central axis 431 of the rotating wheel 430 rotatably passes through the connecting block 251 and is slidably mounted in the sliding hole 320, so that the pull rope 250 drives the limiting plate 300 to move upward through the connecting block 251 and the central axis 431, thereby driving the cold storage panel 500 to move upward. When the push rod 420 pushes or pulls the connecting block 251 to move, the connecting block 251 drives the rotating wheel 430 to rotate in the mounting groove 310 via the central axis 431, making the movement of the connecting block 251 more stable and greatly reducing the movement resistance of the connecting block 251.

[0033] Optionally, the rotating wheel 430 is a gear, and a rack 330 is provided at the bottom of the installation groove 310 . The rotating wheel 430 engages with the rack 330 at the bottom of the installation groove 310 to prevent the rotating wheel 430 from slipping in the installation groove 310 .

[0034] In another embodiment of the present invention, two hooks 340 are provided on the limiting plate 300 for hooking the cold storage plate 500, and a hanging ring 510 is provided on the side of the cold storage plate 500. Specifically, the hanging ring 510 can be installed on the side of the cold storage plate 500 through a threaded connection, and is used to cooperate with the hook 340 to lift the cold storage plate 500; in the initial state, the limiting plate 300 is in a horizontal state, and the two hooks 340 are symmetrical about the reference axis.

[0035] In another embodiment of the present invention, a roller 211 is provided between the slider 210 and the bracket 100, and the slider 210 moves left and right on the bracket 100 through the roller 211 to reduce the resistance between the slider 210 and the bracket 100, so that when a height difference occurs at the lower ends of the two pull ropes 250, the two sliders 210 can approach each other under the drive of the pull ropes 250, and when the lower ends of the two pull ropes 250 tend to be horizontal, the two sliders 210 can move away from each other under the drive of the pull ropes 250, so that the pull ropes 250 remain vertical.

[0036] In another embodiment of the present invention, the bottom of the bracket 100 is provided with running wheels 110 and feet 120, and the feet 120 is a liftable structure; when the bracket 100 needs to be moved, the feet 120 are raised so that the bracket 100 moves through the running wheels 110. When it reaches the working position, the feet 120 are lowered so that the running wheels 110 are suspended in the air, thereby making the bracket 100 more stably placed.

[0037] Optionally, the bracket 100 may be a fixed frame arranged at a designated position, for lifting the cold storage panel 500 at the designated position.

[0038] In the initial state of an intelligent on-site hoisting device for cold storage panels of the present invention, the two hooks 340 are in the same horizontal plane and are symmetrical about the reference axis, and the connecting blocks 251 at the lower ends of the two pull ropes 250 are symmetrical about the reference axis, and the heights of the two telescopic cylinders 220 are consistent. When in use, the two hooks 340 hook the two positions of the cold storage panel 500, and the two first driving members 240 are activated. The two first driving members 240 reel in the two pull ropes 250 respectively, so that the pull ropes 250 lift the cold storage panel 500 upward through the limit plate 300; if the center of gravity of the cold storage panel 500 in the left and right directions deviates from the reference axis, for example, the weight of the cold storage panel 500 on the left side of the reference axis is greater than the weight on the right side of the reference axis, in the process of lifting the cold storage panel 500 upward, the left side The load of the pull rope 250 is greater than the load of the right pull rope 250. The left pull rope 250 drives the left mounting seat 230 to move downward relative to the right mounting seat 230 through the first driving member 240, and squeezes the hydraulic oil in the left telescopic cylinder 220 into the right telescopic cylinder 220 through the oil pipe 260, so that the lower end of the right pull rope 250 moves upward relative to the lower end of the left pull rope 250, and the limit plate 300 is tilted with the left lower and the right higher, and the tension on the two pull ropes 250 is equal. At this time, the second driving member 410 of the right limiting mechanism 400 is controlled to start, so that the second driving member 410 on the right drives the connecting block 251 at the lower end of the right pull rope 250 to move to the left through the push rod 420. In the process of the lower end of the right pull rope 250 moving to the left, it approaches the center of gravity of the cold storage plate 500. Due to the increased load of the cold storage plate 500, it drives the right mounting seat 230 to move downward, and squeezes the hydraulic oil in the right telescopic cylinder 220 back into the left telescopic cylinder 220 through the oil pipe 260, until the lower end of the right pull rope 250 moves to the same horizontal plane as the lower end of the left pull rope 250, and controls the second driving member 410 of the right limiting mechanism 400 to close, so that the connecting block 251 at the lower end of the right pull rope 250 remains in the current position. At this point, the lower ends of the two pull ropes 250 are symmetrical about the center of gravity of the cold storage panel 500. The limit plate 300 returns to a horizontal position, and the two hooks 340 return to the same horizontal plane. The tension on the two pull ropes 250 is equal, preventing damage or breakage of the pull rope 250 due to excessive force on one side during the lifting process. The two hooks 340 are also at the same level, driving the cold storage panel 500 upward smoothly, ensuring safety and stability during the lifting process.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An intelligent cold storage panel on-site hoisting device, used for hoisting cold storage panels, characterized by: It includes a bracket, a lifting mechanism, a limit plate and a limit mechanism. There are two lifting mechanisms, which are spaced apart in the left and right directions; each lifting mechanism includes a slider, a telescopic oil cylinder, a mounting seat, a first driving member and a pull rope; the slider is mounted on the bracket for left and right sliding movement, and the mounting seat is mounted on the slider for up and down sliding movement, and is connected to the slider through a vertically extending telescopic oil cylinder; the telescopic oil cylinders of the two lifting mechanisms are connected through an oil pipe; the first driving member is mounted on the mounting seat for winding the pull rope; the upper end of the pull rope is connected to the first driving member, and the lower end of the pull rope is mounted on the limit plate; the limit plate hooks the cold storage plate at two positions in the left and right directions; in the initial state, the limit mechanism makes the lower end of the pull rope at the limit The position of the positioning plate is fixed, and the lower ends of the pull ropes of the two lifting mechanisms and the two hooking positions of the limit plate and the cold storage plate are symmetrical about the same vertical reference axis; in the process of the cold storage plate being lifted, if the center of gravity of the cold storage plate deviates from the reference axis, the cold storage plate drives the mounting seat of one of the lifting mechanisms to move downward relative to the mounting seat of the other lifting mechanism through the limit plate, the pull rope and the first driving member under the action of gravity, so that the limit plate is tilted, and then the sliders of the two lifting mechanisms are close to each other, and a height difference is generated at the lower ends of the two pull ropes; the limiting mechanism causes the lower end of the pull rope on the higher side to approach the direction of the other pull rope until the lower ends of the two pull ropes are in the same horizontal plane; The lower end of the pull rope is connected to a connecting block; there are two limit mechanisms, which are respectively connected to the connecting blocks of the two pull ropes, and each limit mechanism includes a second driving member and a push rod. The connecting block is mounted on the limit plate for left and right sliding movement; the push rod extends in left and right directions and one end is connected to the connecting block. The push rod slides left and right under the drive of the second driving member; when the second driving member is in the started state, the connecting block is driven to slide left and right by the push rod, and when the second driving member is in the stopped state, the connecting block is kept stationary by the push rod; An installation groove is provided in the limiting plate, and a sliding hole is provided on the side wall of the installation groove; the limiting mechanism also includes a rotating wheel, the central axis of which can rotatably pass through the connecting block and be slidably installed in the sliding hole. When the push rod pushes or pulls the connecting block to move, the connecting block drives the rotating wheel to rotate in the installation groove through the central axis.

2. The intelligent cold storage panel on-site hoisting device according to claim 1 is characterized by: There are two hooks on the limit plate for hooking the cold storage panel; in the initial state, the limit plate is in a horizontal state, and the two hooks are symmetrical about the reference axis.

3. The intelligent cold storage panel on-site hoisting device according to claim 1 is characterized in that: A roller is provided between the slider and the bracket, and the slider moves left and right on the bracket via the roller.

4. The intelligent cold storage panel on-site hoisting device according to claim 1 is characterized in that: The bottom of the bracket is provided with walking wheels and feet, and the feet are a liftable structure.

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