A detachable PLC jacking device

Abstract

The present invention discloses a detachable PLC lifting device in the technical field of lifting devices, which includes a base, a workbench and four hydraulic cylinders. An installation groove, a fixed box and a limiting component are provided on the base. The bottom plate of the hydraulic cylinder is located in the installation groove, and the top plate is connected to the workbench. A feeding mechanism is provided at the rear of the workbench. The feeding mechanism includes a first feeding component and a second feeding component. In the present invention, the four hydraulic cylinders are quickly limited by the limiting component, and the workbench is installed on the top plate of the hydraulic cylinder, so that the base, the hydraulic cylinder and the workbench are combined for use; the workbench can be removed from the top plate of the hydraulic cylinder, and the limiting of the limiting component is cancelled, and the four hydraulic cylinders are removed from the base and used separately, improving the flexibility of the use of the hydraulic cylinder; the materials and the like are placed on the first feeding component, so that the materials are moved up to the second feeding component, and then moved up to the workbench through the second feeding component, making the transmission of the materials and tools more convenient and fast.

Description

Technical Field

[0001] The present invention relates to the technical field of jacking devices, and particularly to a detachable PLC jacking device. Background Art

[0002] In some engineering construction and measurement processes, jacking devices are needed to lift and transport corresponding materials and equipment, or to jack and support some building structures, etc. A jacking device for building decoration engineering design that is convenient to move, with the patent application number CN202210129403.0, its structure includes a base and a mounting seat. A sliding block is connected to the base through a first pair of opposing lead screws. Above the sliding block, a jacking plate is connected through a hinged connecting rod; through a servo motor and a belt, the first pair of opposing lead screws rotate in opposite directions, and then through the sliding block, the connecting rods cooperate with each other, and then through a connecting block, the jacking plate and the above components all move upward, so that the staff and the ceiling can be driven to move upward together to cooperate with the installation work.

[0003] During the use of the jacking device, it may be necessary to convey materials. However, after the jacking plate is lifted to a certain height, it is not convenient to deliver materials and tools, etc. Therefore, every time materials or tools are taken, it is necessary to lower the jacking plate back to its original position, transfer the materials and tools to the jacking plate, and then move back to the original position, resulting in inconvenient conveyance of materials and tools, etc.

[0004] Based on this, the present invention designs a detachable PLC jacking device to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a detachable PLC jacking device to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A detachable PLC jacking device includes a base and four hydraulic cylinders uniformly arranged on the top surface of the base. The tops of the four hydraulic cylinders are jointly connected to a workbench, and the four hydraulic cylinders are controlled by a PLC controller and jack synchronously. The bottom ends of the hydraulic cylinders are fixed with bottom plates. At the position corresponding to each bottom plate on the top surface of the base, a T-shaped installation groove is provided, and the bottom plates are slidably connected in the installation grooves. On both sides of the top surface of the base, fixing boxes are symmetrically fixed, and a limiting component is arranged inside the fixing boxes, and the limiting component is correspondingly connected to the lower side wall of the hydraulic cylinder. In the middle of the top surface of the base, two wire bundling components are provided, and the control lines of the four hydraulic cylinders are correspondingly connected to the two wire bundling components;

[0007] The top end of the hydraulic column is fixed with a top plate. At the position corresponding to the top plate on the bottom surface of the workbench, a limiting groove is provided. A plurality of threaded holes are evenly arranged at the top of the limiting groove. The top plate is located in the limiting groove and is provided with a plurality of positioning bolts, and the positioning bolts are connected to the threaded holes. A feeding mechanism is provided at the rear side of the workbench, and the feeding mechanism includes a first feeding component connected to the base and a second feeding component connected to the workbench.

[0008] Preferably, the first feeding component includes two first fixing frames symmetrically fixed to the base. A vertical lifting screw rod is rotatably connected to the first fixing frame. A first slider is threadedly connected to the lifting screw rod, and a third bevel gear ring is fixed to the bottom of the lifting screw rod. A fourth bevel gear is meshed with one side of the third bevel gear ring, and the fourth bevel gear is connected to a motor. The first slider is slidably connected to the first fixing frame, and a horizontal connecting rod is fixed to the outside. The tops of the two connecting rods are jointly fixed with a first feeding plate, and a plate groove is provided at the middle of the inner section of the first feeding plate corresponding to the position of the second feeding component.

[0009] Preferably, the second feeding component includes a second feeding plate located in the plate groove. Two second sliders are symmetrically fixed to the bottom of the inner end of the second feeding plate, and a vertical lifting threaded cylinder is threadedly connected to the second sliders. A second fixing frame is fixed to the middle of the rear side of the workbench. The second fixing frame is located at the rear side of the second feeding plate, and the second slider is slidably connected to the second fixing frame. The lifting threaded cylinder is rotatably connected to the second fixing frame. A fourth bevel gear ring is fixed to the bottom of the lifting threaded cylinder. A fifth bevel gear is meshed with one side of the fourth bevel gear ring, and the fifth bevel gear is connected to a motor.

[0010] Preferably, two vertical first side plates are symmetrically fixed to the outer section of the top surface of the first feeding plate. Two vertical second side plates are also symmetrically fixed to the second feeding plate, and the positions of the first side plates correspond to the positions of the second side plates.

[0011] Preferably, a vertical guide shaft is fixed to the top surface of the base corresponding to the position of the lifting threaded cylinder, and the guide shaft is slidably connected to the lifting threaded cylinder.

[0012] Preferably, the limiting component includes a transmission box fixed to the middle of the fixed box. The transmission box is internally communicated with the fixed box. A first threaded cylinder is rotatably connected to the middle of the transmission box. A first gear ring is fixed to the middle of the first threaded cylinder. One side of the first gear ring extends into the fixed box and is meshed with a first gear, and the first gear is connected to a motor. Threaded holes are symmetrically arranged on both side sections of the first threaded cylinder and are threadedly connected with first screw rods. The outer ends of the first threaded rods extend out of the first threaded cylinder and are fixed with positioning plates. The positioning plates are located outside the corresponding hydraulic columns, and two symmetric positioning blocks are fixed to the inner side surfaces of the positioning plates and are in contact with the side walls of the hydraulic columns through the positioning blocks. A guide plate is vertically fixed to the inner end of the positioning plate, and the guide plate is slidably connected to the side wall of the fixed box.

[0013] Preferably, the wire harness assembly includes a first limiting wheel. A plurality of annular grooves are evenly arranged on the wheel surface of the first limiting wheel in the vertical direction. A second limiting wheel is arranged on one side of each annular groove. The plurality of second limiting wheels are coaxially fixed, and annular grooves are correspondingly arranged on the wheel surfaces of the second limiting wheels. An adjustment cavity is arranged on the base corresponding to the position of each wire harness assembly. An adjustment screw is rotatably connected in the adjustment cavity. Opposite threads are symmetrically arranged on the two side segments of the adjustment screw, and two adjustment blocks are adjusted through the opposite threads. The bottom end of the first limiting wheel and the top end of the second limiting wheel are respectively rotatably connected to the two adjustment blocks. A first bevel gear is fixed on one side of the adjustment screw. A second bevel gear is meshed with one side of the first bevel gear, and the second bevel gear is connected to a motor.

[0014] Preferably, two moving assemblies are symmetrically arranged in each fixed box. The moving assembly includes a second screw rod located in the fixed box. A second threaded cylinder is threadedly connected to the outside of the second screw rod. The top end of the second threaded cylinder is rotatably connected to the top surface of the fixed box, and a second bevel gear ring is fixed on the outer side wall. A third bevel gear is meshed with one side of the second bevel gear ring, and the third bevel gear is connected to a motor. The top end of the second screw rod extends out of the second threaded cylinder and the fixed box and is fixed with an end plate. A moving seat is arranged at the bottom end of the second screw rod. A receiving groove is arranged on the base corresponding to the position of the moving seat. The moving seat is slidably connected in the receiving groove, and a moving wheel is rotatably connected to the bottom.

[0015] Preferably, guardrails are fixed on the four sides of the top surface of the workbench. A notch is arranged in the middle of the rear section of the guardrail. A sliding door is arranged at the notch. Two parallel upper and lower sliding grooves are arranged in the sliding door. A sliding rod is slidably connected in each sliding groove. The outer end of the sliding rod extends out of the sliding groove and extends outward. The extending end is fixedly connected to the side wall of the guardrail. A plurality of teeth are evenly fixed on the outer side surface of the sliding door in the horizontal straight line direction and are meshed with a driving gear through the teeth. The driving gear is rotatably connected to the side wall of the guardrail through a bracket and is connected to a motor.

[0016] Preferably, a groove is arranged at the inner end of one sliding door, and a convex block is arranged at the inner end of the other sliding door. When the two sliding doors are closed, the convex block is located in the groove.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: By installing four hydraulic columns into the installation grooves, quick limiting is carried out through the limiting assembly, and the workbench is installed on the top plate of the hydraulic column through structures such as positioning bolts, so that the base, hydraulic columns and workbench are combined for use; The workbench can be removed from the top plate of the hydraulic column, and the limiting of the limiting assembly is cancelled. The four hydraulic columns are removed from the base and used separately, improving the use flexibility of the hydraulic columns; Materials and the like are placed on the first feeding assembly, so that the materials are moved up to the second feeding assembly, and then moved up to the workbench through the second feeding assembly, thereby providing materials or tools for the workbench and making the transmission of materials and tools more convenient and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 Structural schematic diagram of the present invention;

[0020] Figure 2 Structural schematic diagram of part A of the present invention;

[0021] Figure 3 Structural schematic diagram of the moving wheel of the present invention;

[0022] Figure 4 Structural schematic diagram of the transmission box of the present invention;

[0023] Figure 5 Position schematic diagram of the guide plate of the present invention;

[0024] Figure 6 Structural schematic diagram of the first limiting wheel and the second limiting wheel of the present invention;

[0025] Figure 7 Connection schematic diagram of the workbench and the top plate of the present invention;

[0026] Figure 8 Structural schematic diagram of the lifting screw barrel of the present invention;

[0027] Figure 9 Structural schematic diagram of the lifting screw of the present invention;

[0028] Figure 10 Position schematic diagram of the first feeding plate and the second feeding plate of the present invention;

[0029] Figure 11 Structural schematic diagram of the sliding door of the present invention.

[0030] In the drawings, the list of components represented by each reference numeral is as follows:

[0031] 1 - Base, 101 - Installation groove, 102 - First limiting wheel, 103 - Second limiting wheel, 104 - Accommodating groove, 105 - Adjusting block, 106 - Adjusting cavity, 107 - Adjusting screw, 108 - First bevel gear, 109 - Second bevel gear;

[0032] 2 - Hydraulic column, 201 - Control line, 202 - Bottom plate, 203 - Top plate, 204 - Positioning bolt;

[0033] 3 - Workbench, 301 - Guardrail, 302 - Sliding door, 303 - Limit groove, 304 - Chute, 305 - Slide bar, 306 - Driving gear, 307 - Groove, 308 - Bump;

[0034] 4 - Fixed box, 401 - Positioning plate, 402 - First screw rod, 403 - Positioning block, 404 - First threaded barrel, 405 - Transmission box, 406 - First gear ring, 407 - First gear, 408 - Guide plate;

[0035] 5 - Second screw rod, 501 - Second threaded barrel, 502 - Second bevel gear ring, 503 - Third bevel gear, 504 - Moving seat, 505 - Moving wheel;

[0036] 6 - First feeding plate, 601 - First side plate, 602 - Plate groove, 603 - Connecting rod, 604 - First slider, 605 - Lifting screw rod, 606 - First fixing bracket, 607 - Third bevel gear ring, 608 - Fourth bevel gear;

[0037] 7 - Second fixing bracket, 701 - Reinforcing plate, 702 - Lifting threaded barrel, 703 - Guide shaft, 704 - Second slider, 705 - Second feeding plate, 706 - Second side plate, 707 - Fourth bevel gear ring, 708 - Fifth bevel gear. Detailed implementation mode

[0038] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] Embodiment 1

[0040] Please refer to the accompanying drawings. The present invention provides a technical solution: a detachable PLC lifting device, including a base 1 and four hydraulic columns 2 evenly arranged on the top surface of the base 1. The tops of the four hydraulic columns 2 are jointly connected to a workbench 3, and the four hydraulic columns 2 are controlled by a PLC controller and lifted synchronously. The bottom ends of the hydraulic columns 2 are fixed with bottom plates 202. T-shaped installation grooves 101 are provided on the top surface of the base 1 corresponding to the positions of each bottom plate 202, and the bottom plates 202 are slidably connected to the installation grooves 101. Fixed boxes 4 are symmetrically fixed on both sides of the top surface of the base 1, and a limiting component is arranged inside the fixed boxes 4, and the limiting component is correspondingly connected to the lower side walls of the hydraulic columns 2. Two wire bundling components are arranged in the middle of the top surface of the base 1, and the control lines 201 of the four hydraulic columns 2 are correspondingly connected to the two wire bundling components;

[0041] A top plate 203 is fixed to the top end of the hydraulic column 2. A limit groove 303 is provided on the bottom surface of the workbench 3 at a position corresponding to the top plate 203. A plurality of threaded holes are evenly provided at the top of the limit groove 303. The top plate 203 is located in the limit groove 303 and is provided with a plurality of positioning bolts 204, and the positioning bolts 204 are connected to the threaded holes. A feeding mechanism is provided at the rear side of the workbench 3, and the feeding mechanism includes a first feeding component connected to the base 1 and a second feeding component connected to the workbench 3.

[0042] When it is necessary to use the workbench 3 and perform lifting work on the workbench 3, install the four hydraulic columns 2 into the installation grooves 101 of the base 1, and quickly limit the hydraulic columns 2 through the limiting component. Then install the workbench 3 onto the top plate 203 of the hydraulic column 2 through structures such as the positioning bolts 204, so that the base 1, the hydraulic column 2, and the workbench 3 are combined for use, and can jack up materials and staff, etc. And limit and centralize the control wires 201 of the hydraulic column 2 and wire tubes such as hydraulic tubes through the wire bundling component, so as to connect with hydraulic equipment, controllers, etc.; when the workbench 3 and other structures are not needed, remove the workbench 3 from the top plate 203 of the hydraulic column 2, cancel the limit of the limiting component, and remove the four hydraulic columns 2 from the base 1 for separate use, improving the flexibility of use of the hydraulic column 2.

[0043] When the staff is located on the workbench 3, the first feeding component is located on the base 1, and the second feeding component moves up with the workbench 3. If it is necessary to supply materials or transfer tools, etc. to the workbench 3, place materials, etc. on the first feeding component, move the materials up to the second feeding component, and then move up to the workbench 3 through the second feeding component, so as to provide materials or tools for the workbench 3 and make the transfer of materials and tools more convenient and fast.

[0044] Among them, the first feeding component includes two first fixing frames 606 symmetrically fixed to the base 1. A vertical lifting screw 605 is rotatably connected to the first fixing frame 606. A first slider 604 is threadedly connected to the lifting screw 605, and a third bevel gear ring 607 is fixed to the bottom of the lifting screw 605. A fourth bevel gear 608 is engaged on one side of the third bevel gear ring 607. The fourth bevel gear 608 is connected to a motor. The first slider 604 is slidably connected to the first fixing frame 606, and a horizontal connecting rod 603 is fixed to the outside. The tops of the two connecting rods 603 are jointly fixed with a first feeding plate 6, and a plate groove 602 is provided at the middle of the inner section of the first feeding plate 6 at a position corresponding to the second feeding component.

[0045] Among them, the second feeding component includes a second feeding plate 705 located in the plate groove 602. At the bottom of the inner side end of the second feeding plate 705, two second sliders 704 are symmetrically fixed. A vertical lifting screw barrel 702 is threadedly connected in the second slider 704. In the middle of the rear side of the workbench 3, a second fixing frame 7 is fixed. The second fixing frame 7 is located behind the second feeding plate 705. The second slider 704 is slidably connected to the second fixing part. The lifting screw barrel 702 is rotatably connected to the second fixing frame 7. At the bottom of the lifting screw barrel 702, a fourth bevel gear ring 707 is fixed. On one side of the fourth bevel gear ring 707, a fifth bevel gear 708 is engaged, and the fifth bevel gear 708 is connected to a motor.

[0046] After the workbench 3 is lifted, the second fixing frame 7 and the second feeding plate 705 move upward accordingly. When it is necessary to convey materials or tools to the workbench 3 at a higher position, the materials are placed on the first feeding plate 6. Through the drive of the motor and the transmission of the third bevel gear ring 607 and the fourth bevel gear 608, the lifting screw 605 rotates, so that the first feeding plate 6 moves upward to the second feeding plate 705, and the materials are pushed onto the second feeding plate 705. Then, the motor of the second feeding component makes the fifth bevel gear 708 rotate, and through the transmission of the fourth bevel gear ring 707 and the fifth bevel gear ring, the lifting screw barrel 702 rotates, and further the second feeding plate 705 moves upward to the workbench 3, so as to convey materials to the workbench 3 and make the material conveying more convenient and fast.

[0047] Among them, the limiting component includes a transmission box 405 fixed in the middle of the fixed box 4. The transmission box 405 is internally communicated with the fixed box 4. A first screw barrel 404 is rotatably connected in the middle of the transmission box 405. A first gear ring 406 is fixed in the middle of the first screw barrel 404. One side of the first gear ring 406 extends into the fixed box 4 and is engaged with a first gear 407. The first gear 407 is connected to a motor. Threaded holes are symmetrically arranged on both side sections of the first screw barrel 404, and a first screw rod 402 is threadedly connected. The outer end of the first screw rod extends out of the first screw barrel 404 and is fixed with a positioning plate 401. The positioning plate 401 is located outside the corresponding hydraulic column 2. On the inner side surface of the positioning plate 401, two symmetric positioning blocks 403 are fixed and are in contact with the side wall of the hydraulic column 2 through the positioning blocks 403. A guide plate 408 is vertically fixed at the inner side end of the positioning plate 401. The guide plate 408 is slidably connected to the side wall of the fixed box 4.

[0048] When the bottom plate 202 of the hydraulic column 2 is located in the mounting groove 101 of the base 1, the positions of the hydraulic column 2 and the bottom plate 202 are limited by the positioning plate 401. When the hydraulic column 2 needs to be disassembled, the top end of the hydraulic column 2 is disassembled from the workbench 3, and then the first threaded cylinder 404 is rotated by the drive of the motor and the transmission of the first gear 407 and the first gear ring 406. The first screw 402 drives the positioning plate 401 to move outward under the limiting action between the guide plate 408 and the fixed box 4, so that enough space is left between the positioning plate 401 and the side of the base 1, so that the bottom plate 202 of the hydraulic column 2 can be moved outward along the mounting groove 101, so that the bottom plate 202 of the hydraulic column 2 is separated from the base 1, and the disassembly of the hydraulic column 2 is completed.

[0049] Among them, the wiring harness assembly includes a first limiting wheel 102, and a plurality of annular grooves are evenly arranged on the wheel surface of the first limiting wheel 102 in the vertical direction, and a second limiting wheel 103 is arranged on one side of each annular groove, and the plurality of second limiting wheels 103 are coaxially fixed, and annular grooves are correspondingly arranged on the wheel surface of the second limiting wheel 103, and an adjusting cavity 106 is arranged on the base 1 corresponding to the position of each wiring harness assembly, and an adjusting screw 107 is rotatably connected in the adjusting cavity 106, and threads with opposite rotation directions are symmetrically arranged on both side sections of the adjusting screw 107, and there are two adjusting blocks 105 adjusted by opposite threads, and the bottom end of the first limiting wheel 102 and the top end of the second limiting wheel 103 are rotatably connected to the two adjusting blocks 105 respectively, and a first bevel gear 108 is fixed on one side of the adjusting screw 107, and a second bevel gear 109 is meshed on one side of the first bevel gear 108, and the second bevel gear 109 is connected to a motor.

[0050] When the hydraulic column 2 is installed on the base 1, the control line 201 of the two rear hydraulic columns 2 is located between the first limiting wheel 102 and the second limiting wheel 103 of the rear wiring harness assembly, and the control line 201 is gathered and limited by the annular grooves on the first limiting wheel 102 and the second limiting wheel 103. After passing through the wiring harness assembly on the rear side, the control line 201 passes through the wiring harness assembly on the front side forward, and is restricted in the front wiring harness assembly together with the control lines 201 of the two front hydraulic columns 2. The adjusting screw 107 can be rotated by the drive of the motor and the transmission of the first bevel gear 108 and the second bevel gear 109, so that the two adjusting blocks 105 drive the positions of the first limiting wheel 102 and the second limiting wheel 103, so that multiple control lines 201 can cooperate and play a limiting role. Multiple annular grooves are set on the same first limiting wheel 102, and multiple first limiting wheels 102 are configured, so that multiple wire pipes such as electric wires and hydraulic pipes of the hydraulic column 2 can be gathered.

[0051] Embodiment 2

[0052] The structure of this embodiment is basically the same as that of the first embodiment. The difference is that two moving components are symmetrically arranged in each fixed box 4. The moving component includes a second screw rod 5 located in the fixed box 4. A second threaded cylinder 501 is threadedly connected to the outer side of the second screw rod 5. The top end of the second threaded cylinder 501 is rotatably connected to the top surface of the fixed box 4, and a second bevel gear ring 502 is fixed on the outer side wall. A third bevel gear 503 meshes with one side of the second bevel gear ring 502. The third bevel gear 503 is connected to a motor. The top end of the second screw rod 5 extends out of the second threaded cylinder 501 and the fixed box 4 and is fixed with an end plate. A moving seat 504 is arranged at the bottom end of the second screw rod 5. A receiving groove 104 is arranged on the base 1 at a position corresponding to the moving seat 504. The moving seat 504 is slidably connected in the receiving groove 104, and a moving wheel 505 is rotatably connected to the bottom.

[0053] When it is necessary to move the base 1 and the structures thereon, through the drive of the motor and the transmission of the third bevel gear 503 and the second bevel gear ring 502, the second threaded cylinder 501 rotates. The second screw rod 5 and the moving seat 504 slide downward under the action of the thread, and the bottom of the moving wheel 505 extends out of the receiving groove 104 and contacts the ground, lifting the base 1. Thus, the whole device can be moved more quickly and conveniently through the moving wheel 505. The structure and type of the moving wheel 505 can be selected according to the usage needs, and the present application does not limit it.

[0054] Embodiment Three

[0055] The structure of this embodiment is basically the same as that of the first embodiment. The difference is that guardrails 301 are fixed on the four sides of the top surface of the workbench 3, and a notch is arranged in the middle of the rear section of the guardrail 301. A sliding door 302 is arranged at the notch. Two parallel upper and lower sliding grooves 304 are arranged in the sliding door 302. A sliding rod 305 is slidably connected in each sliding groove 304. The outer end of the sliding rod 305 extends out of the sliding groove 304 and extends outward, and the extending end is fixedly connected to the side wall of the guardrail 301. A plurality of teeth are evenly fixed on the outer side surface of the sliding door 302 in the horizontal straight line direction, and a driving gear 306 meshes with the teeth. The driving gear 306 is rotatably connected to the side wall of the guardrail 301 through a bracket and is connected to a motor.

[0056] When the staff stands on the workbench 3 for operation or places relevant equipment on the workbench 3, the guardrail 301 provides protection for the equipment and personnel, improving safety and avoiding situations such as accidental falling. The sliding door 302 is moved through the motor and the driving gear 306 to open the guardrail 301, so that personnel and equipment can get on and off the workbench 3 or feed materials onto the workbench 3 through the feeding mechanism.

[0057] A groove 307 is provided at the inner end of one of the sliding doors 302, and a convex block 308 is provided at the inner end of the other sliding door 302. When the two sliding doors 302 are closed, the convex block 308 is located in the groove 307, providing a certain limiting effect on the adjacent ends of the two sliding doors 302.

[0058] Embodiment 4

[0059] The structure of this embodiment is basically the same as that of Embodiment 1. The difference lies in that two vertical first side plates 601 are symmetrically fixed on the outer side section of the top surface of the first feeding plate 6, and two vertical second side plates 706 are also symmetrically fixed on the second feeding plate 705, and the positions of the first side plates 601 correspond to the positions of the second side plates 706. When conveying materials and auxiliary tools through the first feeding plate 6 and the second feeding plate 705, the first side plates 601 and the second side plates 706 prevent the materials and tools from falling from both sides of the first feeding plate 6 and the second feeding plate 705.

[0060] Preferably, a vertical guide shaft 703 is fixed on the top surface of the base 1 corresponding to the position of the lifting screw cylinder 702, and the guide shaft 703 is slidably connected to the lifting screw cylinder 702. When the workbench 3 moves upward through the hydraulic cylinder 2, the workbench 3 and the second feeding assembly move upward accordingly, causing the lifting screw cylinder 702 to slide upward relative to the guide shaft 703, and providing a moving limiting effect on the bottom of the second fixing frame 7 through the action of the guide shaft 703 and the lifting screw cylinder 702, thereby improving the overall structural stability of the feeding mechanism.

[0061] In the description of this specification, the description referring to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0062] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to only the specific implementation manners. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification in order to better explain the principles and practical applications of the present invention, so that those skilled in the relevant technical fields can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A detachable PLC lifting device, comprising a base (1) and four hydraulic columns (2) evenly arranged on the top surface of the base (1). The tops of the four hydraulic columns (2) are jointly connected to a workbench (3), and the four hydraulic columns (2) are controlled by a PLC controller and lifted synchronously. It is characterized in that: A bottom plate (202) is fixed to the bottom end of the hydraulic column (2). At the position corresponding to each bottom plate (202) on the top surface of the base (1), a T-shaped installation groove (101) is provided, and the bottom plate (202) is slidably connected to the installation groove (101). On both sides of the top surface of the base (1), fixing boxes (4) are symmetrically fixed, and a limiting component is provided inside the fixing box (4), and the limiting component is correspondingly connected to the lower side wall of the hydraulic column (2). In the middle of the top surface of the base (1), two wire bundling components are provided, and the control lines (201) of the four hydraulic columns (2) are correspondingly connected to the two wire bundling components; A top plate (203) is fixed to the top end of the hydraulic column (2). At the position corresponding to the top plate (203) on the bottom surface of the workbench (3), a limiting groove (303) is provided. A plurality of threaded holes are evenly provided at the top of the limiting groove (303). The top plate (203) is located in the limiting groove (303), and a plurality of positioning bolts (204) are provided, and the positioning bolts (204) are connected to the threaded holes. A feeding mechanism is provided at the rear side of the workbench (3), and the feeding mechanism includes a first feeding component connected to the base (1) and a second feeding component connected to the workbench (3); The first feeding component includes two first fixing frames (606) symmetrically fixed to the base (1). A vertical lifting screw rod (605) is rotatably connected to the first fixing frame (606). A first slider (604) is threadedly connected to the lifting screw rod (605), and a third bevel gear ring (607) is fixed to the bottom of the lifting screw rod (605). A fourth bevel gear (608) is engaged with one side of the third bevel gear ring (607), and the fourth bevel gear (608) is connected to a motor. The first slider (604) is slidably connected to the first fixing frame (606), and a horizontal connecting rod (603) is fixed to the outside. The tops of the two connecting rods (603) are jointly fixed to a first feeding plate (6), and a plate groove (602) is provided at the middle of the inner section of the first feeding plate (6) corresponding to the position of the second feeding component; The second feeding component includes a second feeding plate (705) located in the plate groove (602). Two second sliders (704) are symmetrically fixed to the bottom of the inner end of the second feeding plate (705), and a vertical lifting threaded cylinder (702) is threadedly connected to the second slider (704). A second fixing frame (7) is fixed to the middle of the rear side of the workbench (3), the second fixing frame (7) is located at the rear side of the second feeding plate (705), and the second slider (704) is slidably connected to the second fixing frame. The lifting threaded cylinder (702) is rotatably connected to the second fixing frame (7). A fourth bevel gear ring (707) is fixed to the bottom of the lifting threaded cylinder (702), and a fifth bevel gear (708) is engaged with one side of the fourth bevel gear ring (707), and the fifth bevel gear (708) is connected to a motor; The limiting component includes a transmission box (405) fixed to the middle of the fixed box (4). The transmission box (405) is internally communicated with the fixed box (4). A first threaded cylinder (404) is rotatably connected in the middle of the transmission box (405). A first gear ring (406) is fixed in the middle of the first threaded cylinder (404). One side of the first gear ring (406) extends into the fixed box (4) and meshes with a first gear (407). And the first gear (407) is connected to a motor. Threaded holes are symmetrically arranged on both side sections of the first threaded cylinder (404) and are threadedly connected with first screw rods (402). The outer ends of the first screw rods extend out of the first threaded cylinder (404) and are fixed with positioning plates (401). The positioning plates (401) are located outside the corresponding hydraulic cylinders (2). And two symmetric positioning blocks (403) are fixed on the inner side surfaces of the positioning plates (401) and are in contact with the side walls of the hydraulic cylinders (2) through the positioning blocks (403). A guide plate (408) is vertically fixed at the inner end of the positioning plate (401). The guide plate (408) is slidably connected with the side wall of the fixed box (4).

2. The detachable PLC lifting device according to claim 1, characterized in that: Two vertical first side plates (601) are symmetrically fixed on the outer side section of the top surface of the first feeding plate (6). Two vertical second side plates (706) are also symmetrically fixed on the second feeding plate (705). And the positions of the first side plates (601) correspond to the positions of the second side plates (706).

3. The detachable PLC lifting device according to claim 1, characterized in that: A vertical guide shaft (703) is fixed on the top surface of the base (1) corresponding to the position of the lifting threaded cylinder (702). And the guide shaft (703) is slidably connected in the lifting threaded cylinder (702).

4. The detachable PLC lifting device according to claim 1, characterized in that: The wire bundling component includes a first limiting wheel (102). A plurality of annular grooves are uniformly arranged in the vertical direction on the wheel surface of the first limiting wheel (102). A second limiting wheel (103) is arranged on one side of each annular groove. A plurality of second limiting wheels (103) are coaxially fixed. And annular grooves are correspondingly arranged on the wheel surfaces of the second limiting wheels (103). An adjustment cavity (106) is arranged on the base (1) corresponding to the position of each wire bundling component. An adjustment screw rod (107) is rotatably connected in the adjustment cavity (106). Threads with opposite helix directions are symmetrically arranged on both side sections of the adjustment screw rod (107). And two adjustment blocks (105) are adjusted through the opposite threads. And the bottom end of the first limiting wheel (102) and the top end of the second limiting wheel (103) are respectively rotatably connected with the two adjustment blocks (105). A first bevel gear (108) is fixed on one side of the adjustment screw rod (107). A second bevel gear (109) meshes with one side of the first bevel gear (108). And the second bevel gear (109) is connected to a motor.

5. The detachable PLC lifting device according to claim 1, characterized in that: Two moving components are symmetrically arranged in each of the fixed boxes (4). The moving component includes a second screw rod (5) located in the fixed box (4). A second threaded cylinder (501) is threadedly connected to the outside of the second screw rod (5). The top end of the second threaded cylinder (501) is rotationally connected to the top surface of the fixed box (4), and a second bevel gear ring (502) is fixed on the outer side wall. A third bevel gear (503) is engaged with one side of the second bevel gear ring (502). The third bevel gear (503) is connected to a motor. The top end of the second screw rod (5) extends out of the second threaded cylinder (501) and the fixed box (4), and a end plate is fixed. A moving seat (504) is arranged at the bottom end of the second screw rod (5). A receiving groove (104) is arranged on the base (1) at a position corresponding to the moving seat (504). The moving seat (504) is slidably connected in the receiving groove (104), and a moving wheel (505) is rotationally connected to the bottom.

6. The detachable PLC lifting device according to claim 1, characterized in that: Guardrails (301) are fixed on the four sides of the top surface of the workbench (3). A notch is arranged in the middle of the rear section of the guardrail (301). A sliding door (302) is arranged at the notch. Two parallel upper and lower sliding grooves (304) are arranged in the sliding door (302). A sliding rod (305) is slidably connected in each of the sliding grooves (304). The outer end of the sliding rod (305) extends out of the sliding groove (304) and extends outward. The extending end is fixedly connected to the side wall of the guardrail (301). A plurality of teeth are evenly fixed on the outer side surface of the sliding door (302) along the horizontal straight line direction, and a driving gear (306) is engaged through the teeth. The driving gear (306) is rotationally connected to the side wall of the guardrail (301) through a bracket and is connected to a motor.

7. The detachable PLC lifting device according to claim 6, characterized in that: A groove (307) is arranged at the inner end of one of the sliding doors (302), and a convex block (308) is arranged at the inner end of the other sliding door (302). The convex block (308) is located in the groove (307).

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