CN216343181U

CN216343181U - Hydraulic cylinder with impurity removal function

Info

Publication number: CN216343181U
Application number: CN202122496161.2U
Authority: CN
Inventors: 吴晓剑
Original assignee: Jiangsu Boshida Hydraulic Electromechanical Co ltd
Current assignee: Jiangsu Boshida Hydraulic Electromechanical Co ltd
Priority date: 2021-10-17
Filing date: 2021-10-17
Publication date: 2022-04-19
Anticipated expiration: 2031-10-17

Abstract

The utility model relates to a hydraulic cylinder with an impurity removing function, which comprises a cylinder body, an oil tank, an oil inlet pipe and an impurity removing mechanism, wherein the impurity removing mechanism comprises an impurity removing net, a connecting box, a connecting rod, a collecting box, a rotating assembly, a filter cylinder, a lifting assembly, a lifting plate, a collecting pipe, a first hose and a second hose.

Description

Hydraulic cylinder with impurity removal function

Technical Field

The utility model relates to the field of hydraulic cylinders, in particular to a hydraulic cylinder with an impurity removing function.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. The damping device and the exhaust device are determined according to specific application occasions, and other devices are necessary.

The existing hydraulic cylinder works for a long time, the hydraulic oil can be deteriorated, so that more impurities can be contained in the hydraulic oil, if the hydraulic oil containing the impurities enters the cylinder body, the friction force between the piston and the inner wall of the cylinder body can be increased, the abrasion degree of the piston and the inner wall of the cylinder body is increased, the damage of equipment is easily caused, and the reliability of the existing hydraulic cylinder is reduced.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: in order to overcome the defects of the prior art, the hydraulic cylinder with the impurity removing function is provided.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a hydraulic cylinder with an impurity removing function comprises a cylinder body, an oil tank and an oil inlet pipe, wherein the oil tank is arranged on one side of the cylinder body and is communicated with the inside of the cylinder body through the oil inlet pipe;

the impurity removing mechanism comprises an impurity removing net, a connecting box, a connecting rod, a collecting box, a rotating assembly, a filter cylinder, a lifting assembly, a lifting plate, a collecting pipe, a first hose and a second hose, the impurity removing net is connected with the inner wall of one end, far away from the oil tank, of the oil inlet pipe, the connecting box is arranged on one side, close to the oil tank, of the impurity removing net, one end of the connecting rod is connected with the upper portion of the connecting box, a small hole is formed in the oil inlet pipe, the other end of the connecting rod penetrates through the small hole, the periphery of the connecting rod is connected with the inner wall of the small hole, the other end of the connecting rod is connected with the lifting assembly, a collecting port is uniformly arranged on one side, close to the impurity removing net, of the connecting box, one end of the first hose is communicated with the other side of the connecting box, the other end of the first hose is communicated with one end of the collecting pipe, the collecting pipe is vertically arranged at the top of the collecting box, and the collecting box is arranged above the oil inlet pipe, the improved filter cartridge comprises a collecting box, a rotating assembly, a lifting plate, a second hose, a first hose and a check valve, wherein the rotating assembly is arranged on the collecting box, the filter cartridge is arranged inside the collecting box, the rotating assembly is connected with the bottom inside the filter cartridge, the lifting plate is horizontally arranged inside the collecting box, the periphery of the lifting plate is connected with the inner wall of the collecting box in a sealing and sliding mode, the lifting plate is arranged below the filter cartridge, the lifting assembly is connected with the upper portion of the lifting plate, round holes are formed in the lifting plate, the lower portion of the collecting box and an oil inlet pipe, one end of the second hose is connected with the inner wall of the round hole in the lifting plate, the other end of the second hose is connected with the inner wall of the round hole in the oil inlet pipe, the oil inlet pipe is communicated with the inside of the collecting box through the second hose, and the check valve are arranged in the second hose and the collecting pipe.

Preferably, in order to drive the filter cartridge to rotate, the rotating assembly comprises a motor, a first bearing and a screw rod, the motor is arranged above the collecting box, the first bearing is arranged at the top of the collecting box, a through hole is formed above the collecting box, the motor is in transmission connection with one end of the screw rod, the other end of the screw rod penetrates through the through hole to be connected with the bottom of the filter cartridge, the screw rod and the filter cartridge are coaxially arranged, and the periphery of the screw rod is connected with an inner ring of the first bearing.

Preferably, in order to drive the lifting plate to move, the lifting assembly comprises a lifting block and two lifting rods, a through hole is formed in the lifting block, the screw rod penetrates through the through hole, threads matched with the screw rod are arranged on the inner wall of the through hole, one ends of the two lifting rods are connected with two sides of the lifting block respectively, and the other ends of the two lifting rods are connected with two sides of the upper portion of the lifting plate respectively.

Preferably, in order to prevent the leakage phenomenon, the distance between the axis of the collecting pipe and the axis of the screw rod is smaller than the inner diameter of the filter cartridge, and the distance between the bottom end of the collecting pipe and the bottom in the filter cartridge is smaller than the depth of the filter cartridge.

The utility model has the advantages that the hydraulic cylinder with the impurity removing function can lead impurities in hydraulic oil to be blocked in the oil inlet pipe through the impurity removing mechanism, so that the impurities can not contact with the inner wall of the cylinder body, thereby not causing the abrasion of the piston and the inner wall of the cylinder body, not influencing the sealing performance, not influencing the movement of the piston rod, and improving the reliability of the equipment, compared with the prior impurity removing mechanism, the impurity removing mechanism realizes the function of cleaning the filter screen, prevents the filter holes on the filter screen from being blocked by the impurities, thereby avoiding the influence on the movement of the hydraulic oil, not influencing the lifting work of the piston rod, improving the reliability of the equipment, not only can accelerate the speed of the hydraulic oil passing through the filter cylinder, improve the working efficiency of separating and removing the impurities, has higher practicability, but also can lead the hydraulic oil after the impurities to be led back to the inside of the oil inlet pipe again, the probability of hydraulic oil waste is reduced, and the environmental protection performance of the equipment is improved.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a hydraulic cylinder with impurity removal function according to the present invention;

FIG. 2 is a schematic structural diagram of an impurity removing mechanism of a hydraulic cylinder with an impurity removing function according to the present invention;

FIG. 3 is a schematic structural view of a transfer and rotation assembly of the hydraulic cylinder with impurity removal function according to the present invention;

in the figure: 1. the automatic filter comprises an oil tank, 2 parts of an oil inlet pipe, 3 parts of a cylinder body, 4 parts of a filter screen, 5 parts of a collecting box, 6 parts of a motor, 7 parts of a screw rod, 8 parts of a filter cartridge, 9 parts of a lifting block, 10 parts of a lifting rod, 11 parts of a lifting plate, 12 parts of a second hose, 13 parts of a connecting rod, 14 parts of a connecting box, 15 parts of a first hose and 16 parts of a collecting pipe.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, a hydraulic cylinder with an impurity removing function comprises a cylinder body 3, an oil tank 1 and an oil inlet pipe 2, wherein the oil tank 1 is arranged on one side of the cylinder body 3, the oil tank 1 is communicated with the inside of the cylinder body 3 through the oil inlet pipe 2, a piston is arranged inside the cylinder body 3, a piston rod is arranged on the piston, and the hydraulic cylinder further comprises an impurity removing mechanism, wherein the impurity removing mechanism is arranged on the oil inlet pipe 2;

this pneumatic cylinder with edulcoration function passes through edulcoration mechanism for impurity in the hydraulic oil is stopped in advancing oil pipe 2, makes impurity can not contact with 3 inner walls of cylinder body, thereby can not cause the wearing and tearing of piston and 3 inner walls of cylinder body, can not exert an influence to the leakproofness, thereby can not exert an influence to the removal of piston rod, has improved the reliability of equipment.

As shown in fig. 2-3, the impurity removing mechanism includes an impurity removing net 4, a connection box 14, a connection rod 13, a collection box 5, a rotation assembly, a filter cartridge 8, a lifting assembly, a lifting plate 11, a collection pipe 16, a first hose 15 and a second hose 12, the impurity removing net 4 is connected with an inner wall of one end of the oil inlet pipe 2 far away from the oil tank 1, the connection box 14 is arranged on one side of the impurity removing net 4 close to the oil tank 1, one end of the connection rod 13 is connected with the upper side of the connection box 14, a small hole is arranged on the oil inlet pipe 2, the other end of the connection rod 13 passes through the small hole, the periphery of the connection rod 13 is connected with the inner wall of the small hole, the other end of the connection rod 13 is connected with the lifting assembly, one side of the connection box 14 close to the impurity removing net 4 is uniformly provided with a collection port, one end of the first hose 15 is communicated with the other side of the connection box 14, the other end of the first hose 15 is communicated with one end of the collection pipe 16, the collecting pipe 16 is vertically arranged at the top in the collecting box 5, the collecting box 5 is arranged above the oil inlet pipe 2, the rotating component is arranged on the collecting box 5, the filter cartridge 8 is arranged in the collecting box 5, the rotating component is connected with the bottom in the filter cartridge 8, the lifting component is connected with the rotating component, the lifting plate 11 is horizontally arranged in the collecting box 5, the periphery of the lifting plate 11 is in sealed sliding connection with the inner wall of the collecting box 5, the lifting plate 11 is arranged below the filter cartridge 8, the lifting component is connected with the upper part of the lifting plate 11, round holes are formed in the upper part of the lifting plate 11, the lower part of the collecting box 5 and the oil inlet pipe 2, one end of the second hose 12 is connected with the inner wall of the round hole in the lifting plate 11, the other end of the second hose 12 is connected with the inner wall of the round hole in the oil inlet pipe 2, and the oil inlet pipe 2 is communicated with the inside of the collecting box 5 through the second hose 12, one-way valves are arranged in the second hose 12 and the collecting pipe 16.

Through the arranged impurity removing net 4, impurities in hydraulic oil are blocked in the oil inlet pipe 2, the probability of the impurities entering the inside of the cylinder body 3 is reduced, the impurities cannot be in contact with the inner wall of the cylinder body 3, the inner wall of the cylinder body 3 cannot be scratched, abrasion of a piston and the inner wall of the cylinder body 3 cannot be caused, the sealing performance cannot be influenced, the movement of a piston rod cannot be influenced, the reliability of equipment is improved, when the impurity removing work is carried out, the rotating assembly is controlled to work, the filter cylinder 8 can be driven to rotate, the speed of the hydraulic oil passing through the filter cylinder 8 can be accelerated under the action of centrifugal force, the working efficiency of separating and removing the impurities is improved, the practicability is higher, meanwhile, the impurities are left in the filter cylinder 8, the function of separating the impurities from the hydraulic oil is realized, the hydraulic oil after the impurities falls on the lifting plate 11, when the rotating assembly works, can drive the lifting unit work, make the lifter plate 11 can reciprocate in collecting the box 5, when the lifter plate 11 moves upwards, has reduced the distance between the top in the lifter plate 11 and collecting the box 5, has increased the atmospheric pressure above the lifter plate 11, thus under the effect of atmospheric pressure, can press the hydraulic oil above the lifter plate 11 into the inside of the oil inlet pipe 2 through the second hose 12, make the hydraulic oil after the edulcoration lead back to the inside of the oil inlet pipe 2 again, has reduced the extravagant probability of hydraulic oil, has improved the environmental protection of the apparatus, when the lifter plate 11 moves downwards, the distance between the top of the lifter plate 11 and the top in collecting the box 5 becomes big, make the atmospheric pressure above the lifter plate 11 diminish, thus can suck the impurity on the edulcoration net 4 into the inside of the junction box 14 through collecting the mouth, the inside of the leading-in collecting pipe 16 of the first hose 15, make the hydraulic oil containing impurity get into the inside of straining a section of thick bamboo 8, thereby realized the function of clearance edulcoration net 4, prevented that the filtration pore on the edulcoration net 4 from being blockked up by impurity to avoid producing the influence to the removal of hydraulic oil, thereby can not influence the lifting work of piston rod, thereby improved the reliability of equipment.

Preferably, in order to drive the filter cartridge 8 to rotate, the rotating assembly comprises a motor 6, a first bearing and a screw rod 7, the motor 6 is arranged above the collection box 5, the first bearing is arranged at the top in the collection box 5, a through hole is arranged above the collection box 5, the motor 6 is in transmission connection with one end of the screw rod 7, the other end of the screw rod 7 penetrates through the through hole to be connected with the bottom in the filter cartridge 8, the screw rod 7 and the filter cartridge 8 are coaxially arranged, and the periphery of the screw rod 7 is connected with an inner ring of the first bearing.

Preferably, in order to drive the lifting plate 11 to move, the lifting assembly comprises a lifting block 9 and two lifting rods 10, a through hole is formed in the lifting block 9, the screw rod 7 penetrates through the through hole, threads matched with the screw rod 7 are formed in the inner wall of the through hole, one ends of the two lifting rods 10 are connected with two sides of the lifting block 9 respectively, and the other ends of the two lifting rods 10 are connected with two sides of the upper portion of the lifting plate 11 respectively.

When the impurity removal work is carried out, the control motor 6 is started to drive the screw rod 7 to rotate back and forth, so that the filter cylinder 8 can be driven to rotate, the speed of hydraulic oil passing through the filter cylinder 8 can be increased under the action of centrifugal force, meanwhile, impurities are left in the filter cylinder 8, the function of separating the impurities from the hydraulic oil is realized, the hydraulic oil after impurity removal falls on the lifting plate 11, when the screw rod 7 rotates to drive the lifting block 9 to move upwards, the lifting plate 11 is driven to move upwards through the lifting rod 10, the distance between the lifting plate 11 and the top in the collection box 5 is reduced, the air pressure above the lifting plate 11 is increased, so that the hydraulic oil above the lifting plate 11 can be pressed into the oil inlet pipe 2 through the second hose 12 under the action of the air pressure, the hydraulic oil after impurity removal can be led back to the inside of the oil inlet pipe 2 again, and the waste probability of the hydraulic oil is reduced, the feature of environmental protection of equipment has been improved, when 7 reversals of lead screw drive lifter plate 11 moves down, distance grow between the top in lifter plate 11 top and the collection box 5, make the atmospheric pressure of lifter plate 11 top diminish, thereby can inhale the inside of connecting box 14 through collecting the impurity that the mouth will be gone up on the edulcoration net 4, the inside of the leading-in collecting pipe 16 of first hose 15 of rethread, make the hydraulic oil that contains impurity get into the inside of straining a section of thick bamboo 8, thereby the function of clearance edulcoration net 4 has been realized, prevent that the filtration pore on the edulcoration net 4 from being blockked up by impurity, thereby avoid producing the influence to the removal of hydraulic oil, thereby can not influence the lift work of piston rod, thereby the reliability of equipment has been improved.

Preferably, in order to prevent the leakage phenomenon, the distance between the axis of the collecting pipe 16 and the axis of the screw rod 7 is smaller than the inner diameter of the filter cylinder 8, and the distance between the bottom end of the collecting pipe 16 and the bottom in the filter cylinder 8 is smaller than the depth of the filter cylinder 8.

The distance between the axis of the collecting pipe 16 and the axis of the screw rod 7 is smaller than the inner diameter of the filter cylinder 8, and the distance between the bottom end of the collecting pipe 16 and the bottom in the filter cylinder 8 is smaller than the depth of the filter cylinder 8, so that hydraulic oil can not splash to the outside of the filter cylinder 8 when entering the inside of the filter cylinder 8 through the collecting pipe 16, the probability that the hydraulic oil directly falls on the lifting plate 11 without impurity removal through the filter cylinder 8 is reduced, the leakage probability is reduced, the normal operation of impurity removal is prevented from being influenced, and the reliability of equipment is improved.

Compared with the prior art, the hydraulic cylinder with the impurity removing function has the advantages that impurities in hydraulic oil are blocked in the oil inlet pipe 2 through the impurity removing mechanism, so that the impurities cannot be in contact with the inner wall of the cylinder body 3, the abrasion of the piston and the inner wall of the cylinder body 3 cannot be caused, the sealing performance cannot be influenced, the influence on the movement of the piston rod cannot be caused, and the reliability of equipment is improved. The probability of hydraulic oil waste is reduced, and the environmental protection performance of the equipment is improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A hydraulic cylinder with an impurity removing function comprises a cylinder body (3), an oil tank (1) and an oil inlet pipe (2), wherein the oil tank (1) is arranged on one side of the cylinder body (3), the oil tank (1) is communicated with the inside of the cylinder body (3) through the oil inlet pipe (2), a piston is arranged inside the cylinder body (3), and a piston rod is arranged on the piston;

the impurity removing mechanism comprises an impurity removing net (4), a connecting box (14), a connecting rod (13), a collecting box (5), a rotating assembly, a filter cylinder (8), a lifting assembly, a lifting plate (11), a collecting pipe (16), a first hose (15) and a second hose (12), wherein the impurity removing net (4) is connected with the inner wall of one end, far away from the oil tank (1), of the oil inlet pipe (2), the connecting box (14) is arranged on one side, close to the oil tank (1), of the impurity removing net (4), one end of the connecting rod (13) is connected with the upper portion of the connecting box (14), a small hole is formed in the oil inlet pipe (2), the other end of the connecting rod (13) penetrates through the small hole, the periphery of the connecting rod (13) is connected with the inner wall of the small hole, the other end of the connecting rod (13) is connected with the lifting assembly, one side, close to the impurity removing net (4), of the connecting box (14) is uniformly provided with a collecting port, one end of the first hose (15) is communicated with the other side of the connecting box (14), the other end of the first hose (15) is communicated with one end of the collecting pipe (16), the collecting pipe (16) is vertically arranged at the top in the collecting box (5), the collecting box (5) is arranged above the oil inlet pipe (2), the rotating assembly is arranged on the collecting box (5), the filter cylinder (8) is arranged in the collecting box (5), the rotating assembly is connected with the bottom in the filter cylinder (8), the lifting assembly is connected with the rotating assembly, the lifting plate (11) is horizontally arranged in the collecting box (5), the periphery of the lifting plate (11) is connected with the inner wall of the collecting box (5) in a sealing and sliding manner, the lifting plate (11) is arranged below the filter cylinder (8), and the lifting assembly is connected with the upper part of the lifting plate (11), all be equipped with the round hole on lifter plate (11), the below of collecting box (5) and advancing oil pipe (2), the one end of second hose (12) and the interior wall connection of the round hole on lifter plate (11), the other end of second hose (12) and the interior wall connection who advances the round hole on oil pipe (2), advance oil pipe (2) through second hose (12) and the inside intercommunication of collecting box (5), all be equipped with the check valve in second hose (12) and in collecting pipe (16).

2. The hydraulic cylinder with the impurity removing function according to claim 1, wherein the rotating assembly comprises a motor (6), a first bearing and a screw rod (7), the motor (6) is arranged above the collecting box (5), the first bearing is arranged at the top in the collecting box (5), a through hole is arranged above the collecting box (5), the motor (6) is in transmission connection with one end of the screw rod (7), the other end of the screw rod (7) passes through the through hole to be connected with the bottom in the filter cylinder (8), the screw rod (7) is arranged coaxially with the filter cylinder (8), and the periphery of the screw rod (7) is connected with the inner ring of the first bearing.

3. The hydraulic cylinder with the impurity removing function according to claim 2, wherein the lifting assembly comprises a lifting block (9) and two lifting rods (10), a through hole is formed in the lifting block (9), the screw rod (7) penetrates through the through hole, threads matched with the screw rod (7) are formed in the inner wall of the through hole, one end of each of the two lifting rods (10) is connected with two sides of the lifting block (9), and the other end of each of the two lifting rods (10) is connected with two sides above the lifting plate (11).

4. Hydraulic cylinder with trash removal function according to claim 2, characterized in that the distance between the axis of the collecting pipe (16) and the axis of the screw (7) is smaller than the inner diameter of the filter cartridge (8), and the distance between the bottom end of the collecting pipe (16) and the bottom inside the filter cartridge (8) is smaller than the depth of the filter cartridge (8).