Telescopic hydraulic control device for reach stacker
By installing a PLC controller and linear displacement sensor on the boom, combined with hydraulic control, precise adjustment of the boom and cable storage are achieved, solving the problem of low flexibility of existing booms and improving construction efficiency and safety.
Patent Information
- Application Number
- CN202520234826.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-14
AI Technical Summary
The existing crane boom has low flexibility, and the length of the wire rope needs to be adjusted manually when lifting items, which is inefficient, labor-intensive, and poses safety hazards.
The system employs a front-mounted boom telescopic hydraulic control device, utilizing a PLC controller and linear displacement sensor to control the drive motor and hydraulic rod, enabling precise adjustment of the boom's rotation angle and telescopic length, and using a cable winder to store cables.
It improved hoisting efficiency, reduced the labor intensity of operators, decreased the risk of safety accidents, and achieved precise control of the hoisting process.
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Figure CN223606943U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of building engineering, concretely is a kind of front crane jib frame telescopic hydraulic control device. BACKGROUND
[0002] With the sustained development of construction industry, prefabricated assembly type building structure is added in building construction, which means that part or all components of building are produced in component prefabrication factory, then are transported to construction site by corresponding transportation mode, and are assembled into building with use function by reliable installation mode and installation machinery, which is building construction mode.Compared with site construction, prefabricated assembly type construction has the advantages of convenient construction, fast engineering progress, small influence on surrounding environment and easy to guarantee the quality of building components;When carrying out assembly building construction, the corresponding prefabricated parts are usually hoisted to the appropriate building position by using hanger for rapid construction.
[0003] The prior art has the following disadvantages:
[0004] The existing crane jib frame has low flexibility, and when hoisting the goods to be hoisted to a certain position, the length of the steel wire rope is usually adjusted by manual chain hoist to realize the movement of the hoisted goods, which is very low in efficiency, is not conducive to the overall construction period, has high labor intensity of operator, and is easy to cause safety accidents. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides a front crane jib frame telescopic hydraulic control device to solve the problems in the background art.
[0006] To achieve the above object, the utility model provides the following technical scheme: a front crane jib frame telescopic hydraulic control device, comprising a rotating seat and a control box, a fixed rod is rotatably installed at the top of the rotating seat, a fixed arm is hingedly installed at the top of the fixed rod, a first hydraulic rod is arranged between the fixed rod and the fixed arm, a telescopic arm is arranged in the fixed arm, a second hydraulic rod is fixedly installed at the top of the fixed arm, a box door is hingedly installed at the top of the control box, and a PLC controller is arranged in the control box.
[0007] As a preferred technical scheme of the utility model, a driving motor is fixedly installed in the rotating seat, the driving motor extends to the top of the rotating seat and is fixedly connected with the fixed rod at the top of the driving motor, and a cable is connected with the driving motor.
[0008] As a preferred technical scheme of the utility model, a connecting frame is fixedly installed on one side of the fixed rod close to the fixed arm, a connecting frame is fixedly installed at the bottom of the fixed arm, the fixed end of the first hydraulic rod is hingedly connected with the fixed frame, and the telescopic end of the first hydraulic rod is hingedly connected with the connecting frame.
[0009] As a preferred technical scheme of the utility model, the telescopic arm is fixedly installed with a connecting block at the top of one end away from the fixed arm, and the telescopic end of the second hydraulic rod is fixedly connected with the connecting block.
[0010] As a preferred technical scheme of the utility model, the first hydraulic rod and the second hydraulic rod are fixedly installed with a fixed ring on the side close to the telescopic end, and the fixed ring is internally fixedly installed with a linear displacement sensor.
[0011] As a preferred technical scheme of the utility model, a wire slot is formed in one side of the control box, a wire holder is slidably installed in the wire slot, and a wire hole is formed in the wire slot.
[0012] As a preferred technical scheme of the utility model, a plurality of control buttons are fixedly installed at the front end of the control box, the plurality of control buttons are connected with a PLC controller, the PLC controller is electrically connected with the driving motor, the first hydraulic rod and the second hydraulic rod, and the plurality of control buttons are each provided with four groups of button gears, i.e., fast forward, fast backward, slow forward and slow backward.
[0013] Compared with the prior art, the utility model provides a telescopic hydraulic control device for a front-mounted crane arm, which has the following beneficial effects:
[0014] 1. The telescopic hydraulic control device for the front-mounted crane arm is provided with a linear displacement sensor, and when the crane arm is controlled, the driving motor, the first hydraulic rod and the second hydraulic rod are respectively controlled by the PLC controller to start or stop, so that the rotation angle and the opening and closing angle of the fixed arm and the telescopic length of the telescopic arm are controlled and adjusted, the positions of the first hydraulic rod and the second hydraulic rod are detected in real time by the linear displacement sensor, and the detection result is transmitted to the PLC controller, so that the hoisting angle of the fixed arm and the telescopic length of the telescopic arm are accurately controlled.
[0015] 2. The telescopic hydraulic control device for the front-mounted crane arm is provided with a plurality of control buttons, so that the crane arm device can be manually controlled, the entire crane arm device is adjusted, the wire holder is provided, the excess connecting cable can be stored by the wire holder when not in use, the wire holder is pulled out of the wire slot when the cable is wound, and the excess cable can be wound. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a schematic diagram of the utility model crane structure;
[0017] Figure 2 It is a schematic diagram of the utility model crane cross-section structure;
[0018] Figure 3 It is the control box three-dimensional structure schematic view of the utility model;
[0019] Figure 4 It is the control box internal structure schematic view of the utility model;
[0020] Figure 5 It is the utility model Figure 1 A structure schematic view.
[0021] In the drawing: 1, rotating seat; 101, drive motor; 2, fixed rod; 201, fixed frame; 202, first hydraulic rod; 3, fixed arm; 301, connecting frame; 302, telescopic arm; 303, connecting block; 4, second hydraulic rod; 5, fixed ring; 501, linear displacement sensor; 6, control box; 601, box door; 7, wire groove; 701, wire reel; 8, PLC controller; 9, control button. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0023] Please refer to Figures 1-5 In the embodiment, a front-mounted crane arm frame telescopic hydraulic control device includes rotating seat 1 and control box 6, the top of rotating seat 1 is rotatably installed fixed rod 2, the top of fixed rod 2 is hingedly installed fixed arm 3, first hydraulic rod 202 is arranged between fixed rod 2 and fixed arm 3, telescopic arm 302 is arranged in fixed arm 3, second hydraulic rod 4 is fixedly installed at the top of fixed arm 3, box door 601 is hingedly installed at the top of control box 6, and PLC controller 8 is arranged in control box 6.
[0024] In the embodiment, drive motor 101 is fixedly installed in rotating seat 1, the top of drive motor 101 extends to the top of rotating seat 1 and is fixedly connected with fixed rod 2, and a cable is connected to drive motor 101.
[0025] In the embodiment, connecting frame 301 is fixedly installed on the side of fixed rod 2 close to fixed arm 3, connecting frame 301 is fixedly installed at the bottom of fixed arm 3, the fixed end of first hydraulic rod 202 is hingedly connected with fixed frame 201, and the telescopic end of first hydraulic rod 202 is hingedly connected with connecting frame 301.
[0026] In this embodiment, the telescopic arm 302 is fixedly installed on the top of one end of the fixed arm 3, and the telescopic end of the second hydraulic rod 4 is fixedly connected with the connecting block 303.
[0027] In this embodiment, the first hydraulic rod 202 and the second hydraulic rod 4 are fixedly installed with the fixed ring 5 on the side close to the telescopic end, and the linear displacement sensor 501 is fixedly installed in the fixed ring 5.
[0028] In this embodiment, the control box 6 is provided with the winding groove 7 on one side, the winding rack 701 is slidably installed in the winding groove 7, and the wire hole is formed in the winding groove 7.
[0029] In this embodiment, the control box 6 is fixedly installed with a plurality of control buttons 9 at the front end, the plurality of control buttons 9 are connected with the PLC controller 8, the PLC controller 8 is electrically connected with the driving motor 101, the first hydraulic rod 202 and the second hydraulic rod 4, and the plurality of control buttons 9 are provided with four groups of button gears of fast forward, fast backward, slow forward and slow backward.
[0030] The working principle and use process of the utility model are as follows: when in use, the driving motor 101, the first hydraulic rod 202 and the second hydraulic rod 4 are started by the PLC controller 8, the rotation angle of the fixed arm 3 is adjusted by the driving motor 101, so that the hoisted object can be moved to the specified position, the opening angle and the telescopic length of the telescopic arm 302 are adjusted by the first hydraulic rod 202 and the second hydraulic rod 4, the telescopic length of the first hydraulic rod 202 and the second hydraulic rod 4 is detected by the linear displacement sensor 501, and the detection result is transmitted to the PLC controller 8, so that the hoisting angle of the fixed arm 3 and the telescopic length of the telescopic arm 302 can be accurately controlled.
[0031] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.
Claims
1. A hydraulic control device for a telescoping reach of a front-end loader boom, characterized by: Including rotating seat (1) and control box (6), the top of rotating seat (1) is rotatably installed fixed rod (2), the top of fixed rod (2) is hingedly installed fixed arm (3), first hydraulic rod (202) is arranged between fixed rod (2) and fixed arm (3), telescopic arm (302) is arranged in fixed arm (3), second hydraulic rod (4) is fixedly installed on the top of fixed arm (3), box door (601) is hingedly installed on the top of control box (6), PLC controller (8) is arranged in control box (6).
2. The hydraulic control device for telescopic boom of a reach stacker according to claim 1, wherein: The driving motor (101) is fixedly installed in the rotating seat (1), the top of the driving motor (101) extends to the top of the rotating seat (1) and is fixedly connected with the fixed rod (2), and a cable is connected to the driving motor (101).
3. The hydraulic control device for telescopic boom of a reach stacker according to claim 1, wherein: The fixed rod (2) is fixedly installed with a connecting frame (301) on the side close to the fixed arm (3), the fixed arm (3) is fixedly installed with a connecting frame (301) on the bottom, the fixed end of the first hydraulic rod (202) is hingedly connected with the fixed frame (201), and the telescopic end of the first hydraulic rod (202) is hingedly connected with the connecting frame (301).
4. The hydraulic control apparatus for a telescopic boom of a reach stacker according to claim 1, wherein: The telescopic arm (302) is fixedly installed with a connecting block (303) on the top of the end away from the fixed arm (3), and the telescopic end of the second hydraulic rod (4) is fixedly connected with the connecting block (303).
5. The hydraulic control apparatus for a telescopic boom of a reach stacker according to claim 1, wherein: The first hydraulic rod (202) and the second hydraulic rod (4) are fixedly installed with a fixed ring (5) on the side close to the telescopic end, and a linear displacement sensor (501) is fixedly installed in the fixed ring (5).
6. The hydraulic control apparatus for a telescopic boom of a reach stacker according to claim 1, wherein: A wire groove (7) is formed in one side of the control box (6), a wire holder (701) is slidably installed in the wire groove (7), and a wire hole is formed in the wire groove (7).
7. The hydraulic control apparatus for a telescopic boom of a reach stacker according to claim 1, wherein: A plurality of control buttons (9) are fixedly installed on the front end of the control box (6), the plurality of control buttons (9) are connected with the PLC controller (8), the PLC controller (8) is electrically connected with the driving motor (101), the first hydraulic rod (202) and the second hydraulic rod (4), and the plurality of control buttons (9) are provided with fast forward, fast reverse, slow forward and slow reverse four groups of button gears.