Multi-way control valve for hoisting machinery

Abstract

The utility model relates to the technical field of control valves, in particular to a multi-way control valve for hoisting machinery, which comprises a connecting plate, a movable box and an operating rod, the outer side of the operating rod is fixedly connected with a detection ring, the outer side of the movable box is fixedly connected with a warning box, the lower part of the connecting plate is fixedly connected with a sealing bolt, and the lower part of the connecting plate is fixedly connected with the warning box. A limiting ball is pushed by hand, hydraulic oil in a middle fixing pipe is input into a fixing pipe on the outer side, the device is controlled, when oil leaks from the interior of a movable box, a pushing ring is pushed through the hydraulic oil, the pushing ring drives a detection piece to move outwards, the detection piece makes contact with a conductive piece to close a circuit, and through power supply of a connection battery, oil leakage is avoided. And when the device needs to be replaced, the sealing bolt is loosened by rotating the sealing bolt, the pushing spring drives the pushing piece to move upwards through the elastic force of the pushing spring, the sealing bolt is sealed, and hydraulic oil is prevented from flowing out.

Description

TECHNICAL FIELD

[0001] The utility model relates to control valve technical field, concretely is a kind of multiway control valve for hoisting machinery. BACKGROUND

[0002] With the rapid development of modern industry and infrastructure construction, hoisting machinery is more and more widely used in many fields such as construction, port, mine and logistics. In order to meet the operation requirements under different working conditions, hoisting machinery develops towards large-scale, intelligent and high-efficiency, which puts forward higher requirements for the control system of hoisting machinery, especially multiway control valve, which needs to realize more accurate, flexible and efficient control to ensure the safety and efficiency of hoisting operation.

[0003] However, the existing device has the following problems:

[0004] 1. The existing device mainly fixes the valve directly on the hoisting machinery for operation, so that the valve cannot be replaced when the outer side of the movable shaft of the valve leaks oil during use, affecting the operation accuracy of the hoisting machinery.

[0005] 2. At the same time, part of the device does not set the device to prevent hydraulic oil from flowing out when the valve is replaced, so that the hydraulic oil flowing out flows to the outer side of the valve during valve replacement, affecting the replacement of the valve.

[0006] Therefore, in order to solve the above problems, a multiway control valve for hoisting machinery is proposed. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims to provide a kind of multiway control valve for hoisting machinery, to solve the problems of control valve in prior art mentioned in the above background.

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a kind of multiway control valve for hoisting machinery, including connecting plate, movable box and operating rod, the upper portion of the connecting plate is provided with movable box, the inside of the movable box is provided with operating rod, the outer side of the operating rod is fixedly connected with detection ring, the inside of the detection ring is fixedly connected with detection sheet, the outer side of the movable box is fixedly connected with fixed line pipe, the outer side of the movable box is fixedly connected with warning box, the outer side of the warning box is fixedly connected with connection sound, the lower portion of the connecting plate is fixedly connected with sealing bolt, the inside of the sealing bolt is movably connected with push sheet.

[0009] Preferably, the lower portion of the connecting plate is fixedly connected with fixed pipe, and the lower portion of the fixed pipe is movably connected with connecting bolt.

[0010] Preferably, the outer side of the movable box is fixedly connected with pressure pipe, and the outer side of the pressure pipe is fixedly connected with connecting pipe.

[0011] Preferably, the outer side of the operating rod is fixedly connected with a limiting spring, the upper side of the operating rod is fixedly connected with a limiting ball, and the lower side of the operating rod is fixedly connected with a movable ball, and the outer side of the movable ball is movably connected with a movable box.

[0012] Preferably, the outer side of the detecting ring is fixedly connected with a conductive sheet, the inner side of the conductive sheet is movably connected with a detecting sheet, the outer side of the conductive sheet is fixedly connected with a connecting wire tube, the inner side of the detecting sheet is fixedly connected with a pushing ring, and the outer side of the connecting wire tube is fixedly connected with a fixed wire tube.

[0013] Preferably, the inner side of the warning box is fixedly connected with a connecting battery, the outer side of the connecting battery is fixedly connected with a connecting button, the outer side of the warning box is fixedly connected with a connecting wire harness, the outer side of the connecting wire harness is fixedly connected with a fixed wire tube, the outer side of the warning box is fixedly connected with a connecting bulb, the outer side of the connecting wire harness is fixedly connected with a connecting sound, and the lower side of the warning box is fixedly connected with a fixed rod.

[0014] Preferably, the lower side of the sealing bolt is movably connected with a sealing tube, the inner side of the sealing tube is movably connected with a pushing spring, the upper side of the pushing spring is fixedly connected with a pushing sheet, the upper side of the sealing bolt is movably connected with a connecting screw tube, and the upper side of the pushing sheet is movably connected with a pushing column.

[0015] Compared with the prior art, the utility model discloses a pushing ring is driven to move outward by hydraulic oil, the detecting sheet is in contact with the conductive sheet to close the circuit, the connecting battery is powered on to start the connecting sound and the connecting bulb, and the worker is reminded.

[0016] 1、 the utility model discloses a pushing ring is driven to move outward by hydraulic oil, the detecting sheet is in contact with the conductive sheet to close the circuit, the connecting battery is powered on to start the connecting sound and the connecting bulb, and the worker is reminded.

[0017] 2, the utility model discloses a lower movable joint of sealing bolt has the sealing pipe, the inside movable joint of sealing pipe has the push spring, the upper fixed connection of push spring has the push piece, the upper movable joint of sealing bolt has the connecting screw pipe, the upper movable joint of push piece has the push column, can prevent the oil leakage of valve when replacing, reduce the influence of valve replacement. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is structural front view schematic diagram of the utility model;

[0019] Figure 2 It is structural battery connection schematic diagram of the utility model;

[0020] Figure 3 It is structural detection piece connection schematic diagram of the utility model;

[0021] Figure 4 It is structural push spring connection schematic diagram of the utility model.

[0022] In the drawing: 1, connecting plate;101, fixed pipe;102, connecting bolt;2, movable box;201, pressure pipe;202, connecting pipe;3, operating rod;301, limit spring;302, limit ball;303, movable ball;4, detection ring;401, push ring;402, detection piece;403, connecting wire pipe;404, conducting piece;405, fixed wire pipe;5, warning box;501, connecting battery;502, connecting button;503, connecting wire harness;504, connecting bulb;505, connecting sound;506, fixed rod;6, sealing bolt;601, sealing pipe;602, push spring;603, push piece;604, connecting screw pipe;605, push column. DETAILED DESCRIPTION

[0023] 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 work fall within the scope of the utility model.

[0024] Please refer to Figures 1-4 An embodiment provided by the utility model:

[0025] A kind of multiway control valve for hoisting machinery, including connecting plate 1, movable box 2 and operating lever 3, the upper portion of the connecting plate 1 is provided with movable box 2, the inside of the movable box 2 is provided with operating lever 3, the outside of the operating lever 3 is fixedly connected with detection ring 4, the inside of the detection ring 4 is fixedly connected with detection sheet 402, the outside of the movable box 2 is fixedly connected with fixed wire tube 405, the outside of the movable box 2 is fixedly connected with warning box 5, the outside of the warning box 5 is fixedly connected with connecting sound 505, the lower portion of the connecting plate 1 is fixedly connected with sealing bolt 6, the inside of the sealing bolt 6 is movably connected with push piece 603.

[0026] Further, the outside of the detection ring 4 is fixedly connected with conductive sheet 404, the inside of the conductive sheet 404 is movably connected with detection sheet 402, the outside of the conductive sheet 404 is fixedly connected with connecting wire tube 403, the inside of the detection sheet 402 is fixedly connected with push ring 401, the outside of the connecting wire tube 403 is fixedly connected with fixed wire tube 405, detection sheet 402 can be started warning box 5 by push ring 401.

[0027] Further, the inside of the warning box 5 is fixedly connected with connecting battery 501, the outside of the connecting battery 501 is fixedly connected with connecting button 502, the outside of the warning box 5 is fixedly connected with connecting wire harness 503, the outside of the connecting wire harness 503 is fixedly connected with fixed wire tube 405, the outside of the warning box 5 is fixedly connected with connecting bulb 504, the outside of the connecting wire harness 503 is fixedly connected with connecting sound 505, the lower portion of the warning box 5 is fixedly connected with fixed rod 506, worker can be warned by starting connecting sound 505.

[0028] Further, the lower portion of the sealing bolt 6 is movably connected with sealing pipe 601, the inside of the sealing pipe 601 is movably connected with push spring 602, the upper portion of the push spring 602 is fixedly connected with push piece 603, the upper portion of the sealing bolt 6 is movably connected with connecting screw pipe 604, the upper portion of the push piece 603 is movably connected with push column 605, push piece 603 can be prevented from flowing out when replacing valve by push spring 602.

[0029] Working principle: in the use of the device, first by hand to limit the ball 302 push, limit the ball 302 drive operating rod 3 movement, operating rod 3 drive movable ball 303 activity, the middle fixed tube 101 inside the hydraulic oil input to the outside of the fixed tube 101, control the device, when the activity box 2 inside the oil, through the hydraulic oil push push ring 401, push ring 401 drive detection sheet 402 move outward, detection sheet 402 and conductive sheet 404 contact closed circuit, through the power supply connected to the battery 501, start connected sound 505 and connected bulb 504, remind the workers, when the need to replace the device, by rotating the sealing bolt 6, the sealing bolt 6 loose, through the push spring 602 elastic force, push spring 602 drive push piece 603 upward movement, sealing bolt 6 sealing, prevent hydraulic oil outflow.

[0030] The above is only the preferred embodiment of the present application, and does not limit the present application in any form; any ordinary skilled person in the art can implement the present application according to the above description and the drawings; however, any equivalent changes, modifications and evolution made by those skilled in the art without departing from the scope of the present application are equivalent embodiments of the present application; at the same time, any equivalent changes, modifications and evolution made according to the essential technology of the present application are still within the protection scope of the present application.

Claims

1. A multi-way control valve for lifting machinery, comprising: The assembly comprises a connecting plate (1), a movable box (2), and an operating lever (3). The movable box (2) is located above the connecting plate (1), and the operating lever (3) is located inside the movable box (2). The operating lever (3) is characterized in that: a detection ring (4) is fixedly connected to the outside of the operating lever (3), a detection piece (402) is fixedly connected to the inside of the detection ring (4), a fixed conduit (405) is fixedly connected to the outside of the movable box (2), a warning box (5) is fixedly connected to the outside of the warning box (5), a connecting speaker (505) is fixedly connected to the outside of the warning box (5), a sealing bolt (6) is fixedly connected to the bottom of the connecting plate (1), and a pusher piece (603) is movably connected inside the sealing bolt (6).

2. The multi-way control valve for lifting machinery according to claim 1, characterized in that: A fixing pipe (101) is fixedly connected to the lower part of the connecting plate (1), and a connecting bolt (102) is movably connected to the lower part of the fixing pipe (101).

3. A multi-way control valve for lifting machinery according to claim 1, characterized in that: A pressure pipe (201) is fixedly connected to the outside of the active box (2), and a connecting pipe (202) is fixedly connected to the outside of the pressure pipe (201).

4. A multi-way control valve for lifting machinery according to claim 1, characterized in that: A limit spring (301) is fixedly connected to the outside of the operating lever (3), a limit ball (302) is fixedly connected to the top of the operating lever (3), a movable ball (303) is fixedly connected to the bottom of the operating lever (3), and a movable box (2) is movably connected to the outside of the movable ball (303).

5. A multi-way control valve for lifting machinery according to claim 1, characterized in that: A conductive sheet (404) is fixedly connected to the outside of the detection ring (4), a detection sheet (402) is movably connected inside the conductive sheet (404), a connecting tube (403) is fixedly connected to the outside of the conductive sheet (404), a push ring (401) is fixedly connected inside the detection sheet (402), and a fixing tube (405) is fixedly connected to the outside of the connecting tube (403).

6. A multi-way control valve for lifting machinery according to claim 1, characterized in that: A connecting battery (501) is fixedly connected inside the warning box (5). A connecting button (502) is fixedly connected to the outside of the connecting battery (501). A connecting wire harness (503) is fixedly connected to the outside of the warning box (5). A fixing conduit (405) is fixedly connected to the outside of the connecting wire harness (503). A connecting light bulb (504) is fixedly connected to the outside of the warning box (5). A connecting speaker (505) is fixedly connected to the outside of the connecting wire harness (503). A fixing rod (506) is fixedly connected to the bottom of the warning box (5).

7. A multi-way control valve for lifting machinery according to claim 1, characterized in that: A sealing tube (601) is movably connected below the sealing bolt (6), a push spring (602) is movably connected inside the sealing tube (601), a push plate (603) is fixedly connected above the push spring (602), a connecting screw (604) is movably connected above the sealing bolt (6), and a push column (605) is movably connected above the push plate (603).

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