Hydraulic synchronous split-flow motor with adjustable flow speed

Abstract

The utility model relates to the technical field of ground surface cracking prevention, in particular to a hydraulic synchronous shunt motor with adjustable flow velocity, which comprises a motor main body, a liquid inlet is arranged on the back of the motor main body, and a liquid outlet is arranged on the front of the motor main body; a liquid conveying structure is installed on the rear side of the motor body and comprises a main pipe, the main pipe is installed on the rear side of the motor body, two sets of branch pipes are integrally formed at the front end of the main pipe, connecting pipes are installed on the front sides of the branch pipes, and first sealing rings are bonded to the rear walls of the connecting pipes. And a second sealing ring is adhered to the front surface of the branch pipe. The movable plate is mounted in the branch pipe, the liquid through holes with different inner diameters are formed in the movable plate, and the liquid through holes with different inner diameters can be fed into the inner side of the branch pipe by adjusting the position of the movable plate on the inner side of the branch pipe, so that liquid in the branch pipe can be limited, the flow rate of the device can be adjusted respectively, and the flow rate of the device can be adjusted conveniently. And the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to surface anti -crack technical field, concretely is a kind of flow rate adjustable hydraulic synchronous split-flow motor. BACKGROUND

[0002] When using multiple groups of hydraulic cylinders to load work, if the load of each group of hydraulic cylinders is different, it is necessary to use a synchronous split-flow motor to control the flow rate of each group of hydraulic cylinders, so that the movement speed remains stable. In most cases, the synchronous split-flow motor is used to control the synchronous movement between multiple groups of hydraulic cylinders.

[0003] To this end, Chinese patent number CN202322401067.3 discloses a synchronous split-flow motor with adjustable flow rate, which includes a base, a split-flow assembly installed on the top of the base, a variable-speed assembly installed on the middle end of the split-flow assembly, a flow passage assembly, and a gear assembly. The flow passage assembly is installed on the top of the base of the split-flow assembly, and a set of gear assemblies is installed on the left and right ends of the flow passage assembly. The variable-speed assembly is installed on the middle end of the flow passage assembly. Through the above means, the device inputs hydraulic oil through the liquid inlet, and the hydraulic oil is split into the cavities of the two sets of gear assemblies through the split-flow pipeline, so that the meshing driving gears and driven gears are rotated. Since the two sets of gear assemblies are connected through the variable-speed assembly, the gear ratio of the gears in the gear assemblies remains constant during rotation, thereby obtaining a stable flow rate ratio. Moreover, the gear ratio is adjustable and suitable for various situations.

[0004] The device adjusts the rotational radii of the two ends of the steel belt by moving the steel belt inside the fixed conical wheel and the movable conical wheel, changes the gear ratio between the two driving gears, and adjusts the flow rate. However, the surfaces of the fixed conical wheel and the movable conical wheel are both inclined, and the steel belt is difficult to smoothly transmit on the inclined surface, which can accelerate the damage of the steel belt and cause faults.

[0005] Therefore, to solve the above problems, a hydraulic synchronous split-flow motor with adjustable flow rate is proposed. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a hydraulic synchronous split-flow motor with adjustable flow rate to solve the problem that the device in the prior art adjusts the rotational radii of the two ends of the steel belt by moving the steel belt inside the fixed conical wheel and the movable conical wheel, changes the gear ratio between the two driving gears, and adjusts the flow rate. However, the surfaces of the fixed conical wheel and the movable conical wheel are both inclined, and the steel belt is difficult to smoothly transmit on the inclined surface, which can accelerate the damage of the steel belt and cause faults.

[0007] To achieve the above object, the utility model provides following technical scheme: a kind of hydraulic synchronous shunt motor of adjustable flow rate, comprising: motor main body, the back of the motor main body is equipped with liquid inlet, the front of the motor main body is equipped with liquid outlet;

[0008] The rear side of the motor main body is equipped with infusion structure, and the infusion structure includes main pipe, the main pipe is installed at the rear side of the motor main body, the front end of the main pipe is integrally formed with two groups of branch pipes, the front side of the branch pipe is equipped with connecting pipe, the rear wall of the connecting pipe is bonded with first sealing ring, the front of the branch pipe is bonded with second sealing ring, the two ends of the first sealing ring are integrally formed with limit block, the rear side of the connecting pipe is equipped with movable plate, the surface of the movable plate is provided with liquid passage, and the two ends of the first sealing ring are movably installed with hand screw rod by bearing.

[0009] Preferably, the liquid inlet and the connecting pipe are provided with two groups respectively, and the two groups of connecting pipes are sleeved outside the two groups of liquid inlets.

[0010] Preferably, the first sealing ring is attached to the front of the movable plate, and the second sealing ring is attached to the back of the movable plate.

[0011] Preferably, the limit block is slidably installed inside the side wall of the movable plate.

[0012] Preferably, the liquid passage is provided with four groups, the inner diameters of the four groups of liquid passages are different, and the inner diameters of the four groups of liquid passages decrease from bottom to top.

[0013] Preferably, the hand screw rod penetrates the branch pipe and is threadedly connected with the branch pipe.

[0014] Compared with the prior art, the utility model has the beneficial effects that: by installing two groups of movable plates in two groups of branch pipes, and the movable plate is provided with liquid passage of different inner diameter size, by adjusting the position of the movable plate inside the branch pipe, the liquid passage of different inner diameter size can be sent into the inside of the branch pipe, the liquid in the branch pipe can be limited, the flow rate of the device is adjusted respectively, and the practicability of the device is improved.

[0015] The utility model discloses a device for disassembling and disassembling, wherein the two sets of connecting pipes are respectively installed on the two sets of liquid inlet ports, and then the movable plate is moved up and down, and the limit block slides inside the outer wall of the movable plate, and the limit block can limit the movable plate, so that the installation of the movable plate is stable without tilting and displacement, ensuring that the contact surface of the branch pipe, the connecting pipe and the movable plate is level. By adjusting the position of the movable plate between the branch pipe and the connecting pipe, the liquid through holes of different inner diameters can be moved between the branch pipe and the connecting pipe, so as to change the flow path between the branch pipe and the connecting pipe, thereby realizing adjustment of the flow rate of the device without modifying the motor body, low maintenance cost and convenient operation. Finally, the hand screw is rotated and the hand screw is threadedly connected to the branch pipe. The rotation of the hand screw drives the branch pipe close to the main pipe, the second sealing ring on the branch pipe is in contact with one side wall of the movable plate, and the first sealing ring on the connecting pipe is in contact with the other side wall of the movable plate, which can fix the position of the movable plate between the branch pipe and the connecting pipe while maintaining the sealing between the branch pipe, the liquid through hole and the connecting pipe, thereby preventing liquid from flowing out and affecting use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic front view of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the exploded structure of the infusion structure of the utility model;

[0019] Figure 4 This is a schematic top view of the cross-section of the structure of the branch pipe and the connecting pipe of the utility model.

[0020] In the figure: 1. Motor body; 11. Liquid inlet; 12. Liquid outlet; 2. Infusion structure; 21. Main pipe; 22. Branch pipe; 23. Connecting pipe; 24. First sealing ring; 25. Second sealing ring; 26. Limit block; 27. Movable plate; 28. Liquid hole; 29. ​​Hand-screw. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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.

[0022] See also Figures 1-4 , an embodiment provided by the utility model:

[0023] The motor body 1, the liquid inlet 11 and the liquid outlet 12 used in the application are directly available products in the market, and their principles and connection modes are all prior art known by those skilled in the art, so they will not be described here.

[0024] The hydraulic synchronous split-flow motor with adjustable flow rate comprises a motor body 1, a liquid inlet 11 installed on the back of the motor body 1, and a liquid outlet 12 installed on the front of the motor body 1.

[0025] A liquid conveying structure 2 is installed on the back of the motor body 1, and the liquid conveying structure 2 comprises a main pipe 21 installed on the back of the motor body 1, two groups of branch pipes 22 integrally formed at the front end of the main pipe 21, a connecting pipe 23 installed on the front side of the branch pipe 22, a first sealing ring 24 bonded on the rear wall of the connecting pipe 23, a second sealing ring 25 bonded on the front of the branch pipe 22, limit blocks 26 integrally formed at both ends of the first sealing ring 24, a movable plate 27 installed on the rear side of the connecting pipe 23, liquid conveying holes 28 formed on the surface of the movable plate 27, hand screw rods 29 movably installed at both ends of the first sealing ring 24 through bearings, and the movable plate 27 is installed in the branch pipe 22, and the liquid conveying holes 28 with different inner diameters are formed on the movable plate 27, and the liquid conveying holes 28 with different inner diameters are sent into the branch pipe 22 by adjusting the position of the movable plate 27 inside the branch pipe 22, so that the liquid in the branch pipe 22 can be limited, the flow rate of the device can be adjusted respectively, and the practicability of the device is improved.

[0026] Further, the liquid inlet 11 and the connecting pipe 23 are provided with two groups respectively, and the two groups of connecting pipes 23 are sleeved outside the two groups of liquid inlets 11, and the liquid in the main pipe 21 and the branch pipe 22 can be conveyed into the motor body 1 through the liquid inlet 11 by the cooperation of the connecting pipe 23 and the liquid inlet 11.

[0027] Further, the first sealing ring 24 is attached to the front of the movable plate 27, the second sealing ring 25 is attached to the back of the movable plate 27, and the first sealing ring 24 cooperates with the second sealing ring 25 to ensure the connection sealing between the branch pipe 22, the movable plate 27 and the connecting pipe 23.

[0028] Further, the limit blocks 26 are slidably installed inside the side wall of the movable plate 27, the movable plate 27 can move up and down on the back of the connecting pipe 23 through the limit blocks 26, and the contact surfaces between the branch pipe 22, the movable plate 27 and the connecting pipe 23 are parallel.

[0029] Further, the liquid passage hole 28 is provided with four groups, the inner diameters of the four groups of liquid passage holes 28 are different, and the inner diameters of the four groups of liquid passage holes 28 decrease in order from bottom to top. By adjusting the position of the movable plate 27 between the branch pipe 22 and the connecting pipe 23, the liquid passage hole 28 with different inner diameter sizes is moved between the branch pipe 22 and the connecting pipe 23, so as to change the flow path between the branch pipe 22 and the connecting pipe 23, thereby realizing the adjustment of the flow rate of the device without improving the motor body 1, reducing the maintenance cost, and being convenient to operate.

[0030] Further, the hand screw 29 penetrates the branch pipe 22 and is threadedly connected with the branch pipe 22. Rotating the hand screw 29 can drive the branch pipe 22 to approach the connecting pipe 23, so as to facilitate the clamping and fixing of the movable plate 27 by the first sealing ring 24 and the second sealing ring 25, and ensure the connection sealing between the branch pipe 22, the movable plate 27 and the connecting pipe 23.

[0031] Working principle: Before use, install the two connecting pipes 23 on the two liquid inlets 11 respectively, then move the movable plate 27 up and down, the limiting block 26 will slide in the outer wall of the movable plate 27, the limiting block 26 can limit the movable plate 27, so that the installation of the movable plate 27 is stable and will not be inclined and displaced, ensuring that the contact surfaces of the branch pipe 22, the connecting pipe 23 and the movable plate 27 are horizontal. By adjusting the position of the movable plate 27 between the branch pipe 22 and the connecting pipe 23, the liquid passage hole 28 with different inner diameter sizes is moved between the branch pipe 22 and the connecting pipe 23, so as to change the flow path between the branch pipe 22 and the connecting pipe 23, thereby realizing the adjustment of the flow rate of the device without improving the motor body 1, reducing the maintenance cost, and being convenient to operate.

[0032] Finally, rotate the hand screw 29, the hand screw 29 is threadedly connected with the branch pipe 22, and the rotation of the hand screw 29 drives the branch pipe 22 to approach the main pipe 21. The second sealing ring 25 on the branch pipe 22 is attached to one side wall of the movable plate 27, and the first sealing ring 24 on the connecting pipe 23 is attached to the other side wall of the movable plate 27, so as to fix the position of the movable plate 27 between the branch pipe 22 and the connecting pipe 23 while maintaining the sealing between the branch pipe 22, the liquid passage hole 28 and the connecting pipe 23, avoiding the liquid flowing out and affecting the use.

[0033] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form; any person skilled in the art can smoothly implement the present application according to the drawings shown in the specification and the above description; however, any person skilled in the art can make slight changes, modifications and equivalent changes of the present application within the scope of the technical scheme of the present application, and the equivalent embodiments of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A flow rate adjustable hydraulic synchronous split-flow motor comprising: The back of the motor body (1) is provided with a liquid inlet (11), and the front of the motor body (1) is provided with a liquid outlet (12); It is characterized in that: The rear side of the motor body (1) is provided with a liquid infusion structure (2), the liquid infusion structure (2) comprises a main pipe (21), the main pipe (21) is installed on the rear side of the motor body (1), the front end of the main pipe (21) is integrally formed with two groups of branch pipes (22), the front side of the branch pipe (22) is provided with a connecting pipe (23), the rear wall of the connecting pipe (23) is bonded with a first sealing ring (24), the front side of the branch pipe (22) is bonded with a second sealing ring (25), the two ends of the first sealing ring (24) are integrally formed with a limiting block (26), the rear side of the connecting pipe (23) is provided with a movable plate (27), the surface of the movable plate (27) is provided with a liquid passage hole (28), and the two ends of the first sealing ring (24) are movably installed with a hand screw (29) through a bearing.

2. The hydraulic synchronous split-flow motor with adjustable flow rate according to claim 1, characterized in that: The liquid inlet (11) and the connecting pipe (23) are provided with two groups, respectively, and the two groups of connecting pipes (23) are sleeved outside the two groups of liquid inlets (11).

3. The hydraulic synchronous split-flow motor with adjustable flow rate according to claim 1, characterized in that: The first sealing ring (24) is attached to the front of the movable plate (27), and the second sealing ring (25) is attached to the back of the movable plate (27).

4. The hydraulic synchronous split-flow motor with adjustable flow rate according to claim 1, characterized in that: The limiting block (26) is slidably installed in the side wall of the movable plate (27).

5. The hydraulic synchronous split-flow motor with adjustable flow rate according to claim 1, characterized in that: The liquid passage hole (28) is provided with four groups, the inner diameters of the four groups of liquid passage holes (28) are different, and the inner diameters of the four groups of liquid passage holes (28) decrease from bottom to top.

6. The hydraulic synchronous split-flow motor with adjustable flow rate according to claim 1, characterized in that: The hand screw (29) penetrates through the branch pipe (22) and is threadedly connected with the branch pipe (22).

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