CN212838747U

CN212838747U - Cooling device for oil cylinder

Info

Publication number: CN212838747U
Application number: CN202021614557.1U
Authority: CN
Inventors: 潘祥源
Original assignee: Loudi Dingli Hydraulic Technology Co ltd
Current assignee: Loudi Dingli Hydraulic Technology Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-03-30
Anticipated expiration: 2030-08-06

Abstract

A cooling device for an oil cylinder comprises a first coil pipe, a second coil pipe, a water pumping device and an oil cylinder, wherein a plurality of first fixing seats and a plurality of second fixing seats are fixed on the first coil pipe and the second coil pipe, the first fixing seats of the first coil pipe and the second coil pipe are fixedly connected through bolts, the inner sides of the first coil pipe and the second coil pipe are contacted with the outer wall of the oil cylinder, water passing ports at the upper parts of the first coil pipe and the second coil pipe are connected through a two-way joint, a third fixing seat is arranged on the water pumping device, the second fixing seat and the third fixing seat are fixedly connected through bolts, the water passing ports at the lower parts of the first coil pipe and the second coil pipe are respectively connected with a first check valve and a second check valve, the other end of the check valve is connected with the water pumping device through a pipeline, the water pumping device comprises a water pumping device body and a piston rod inside the water pumping device, the utility, and the cooling efficiency can be improved without additional power.

Description

Cooling device for oil cylinder

Technical Field

The utility model relates to a cooling device especially relates to a cooling device for hydro-cylinder.

Background

The oil cylinder is also called a hydraulic cylinder, and the hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion. The reciprocating motion device has simple structure and reliable work, can avoid a speed reducer when the reciprocating motion is realized, has no transmission clearance, and moves stably, thereby being widely applied to hydraulic systems of various machines.

The existing oil cylinder can generate a large amount of heat when in use, so that the heat dissipation time of the oil cylinder is long, the heat dissipation efficiency needs to be improved, and the cost is increased while the existing heat dissipation device needs additional power and causes waste.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the utility model is to provide a cooling device for hydro-cylinder, including first coil pipe, second coil pipe, pumping device, hydro-cylinder, first coil pipe and second coil pipe are fixed with a plurality of first fixing bases, second fixing base, pass through bolt fixed connection between the first fixing base of first coil pipe and second coil pipe, first coil pipe and second coil pipe inboard with the outer wall contact of hydro-cylinder, the mouth of a river of crossing on first coil pipe and second coil pipe upper portion passes through two-way connection and connects, be equipped with the third fixing base on the pumping device, second fixing base and third fixing base pass through bolt fixed connection, the mouth of a river of crossing of first coil pipe and second coil pipe lower part is connected with first check valve and second check valve respectively, the other end of check valve with the pumping device passes through pipe connection, the pumping device includes pumping device body and its inside piston, And the piston rod is fixedly connected with the output shaft of the oil cylinder.

As a further improvement of the above scheme:

preferably, one side of the first coil pipe, one side of the second coil pipe, which is connected with the oil cylinder, is a rectangular curved surface.

Preferably, the rectangular curved surface is in complete contact with the oil cylinder.

Preferably, one side of the first coil pipe and one side of the second coil pipe, which are far away from the oil cylinder, are arc surfaces.

Preferably, the water passing openings at the upper part and the lower part of the first coil pipe and the second coil pipe are round openings.

Compared with the prior art, the utility model discloses following beneficial effect has:

the first coil pipe, the second coil pipe and the water pumping device are fixedly connected through bolts, and when the first coil pipe, the second coil pipe and the water pumping device have problems and need to be maintained, the first coil pipe, the second coil pipe and the water pumping device are more convenient to disassemble, assemble and replace;

when the oil cylinder works, the output shaft of the oil cylinder drives the piston rod to reciprocate, so that cooling water in the first coil pipe, the second coil pipe and the water pumping device can be driven to circularly flow, the cooling effect of the oil cylinder is improved, and extra power is not needed;

one side of the first coil pipe and one side of the second coil pipe, which are far away from the oil cylinder, are arc surfaces, so that the contact area with air can be increased compared with a rectangular curved surface, and the heat dissipation efficiency is improved.

Drawings

Fig. 1 is an overall structure diagram of the present invention.

Fig. 2 is a first coil structure diagram of the present invention.

Fig. 3 is a structural diagram of the water pumping device of the present invention.

Reference numerals: 1 water pumping device, 2 piston rods, 3 output shafts of the oil cylinders, 4 oil cylinders, 5 first fixing seats, 6 second coil pipes, 7 second fixing seats, 8 second one-way valves, 9 third fixing seats, 10 first coil pipes, 11 two-way connectors and 12 first one-way valves.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1-3, a cooling device for an oil cylinder includes a first coil pipe 10, a second coil pipe 6, a water pumping device 1, and an oil cylinder 4, wherein a plurality of first fixing seats 5 and second fixing seats 7 are fixed on the first coil pipe 10 and the second coil pipe 6, the first fixing seats 5 of the first coil pipe 10 and the second coil pipe 6 are fixedly connected through bolts, and the first coil pipe 10 and the second coil pipe 6 are more convenient to disassemble and replace when problems occur in the first coil pipe 10 and the second coil pipe 6 and the maintenance is required;

the inner sides of the first coil pipe 10 and the second coil pipe 6 are in contact with the outer wall of the oil cylinder 4, water passing ports at the upper parts of the first coil pipe 10 and the second coil pipe 6 are connected through a two-way joint 11, a third fixed seat 9 is arranged on the water pumping device 1, the second fixed seat 7 and the third fixed seat 9 are fixedly connected through bolts, and the water pumping device 1 is fixedly connected with the first coil pipe 10 and the second coil pipe 6 through bolts, so that the overhaul and the maintenance are more convenient;

the water passing ports at the lower parts of the first coil pipe 10 and the second coil pipe 6 are respectively connected with a first check valve 12 and a second check valve 8, the other end of each check valve is connected with the water pumping device 1 through a pipeline, the water pumping device 1 comprises a water pumping device 1 body and a piston rod 2 inside the water pumping device 1, the piston rod 2 is fixedly connected with an output shaft 3 of the oil cylinder, and when the oil cylinder 4 works, the output shaft 3 of the oil cylinder drives the piston rod 2 to reciprocate, so that cooling water in the first coil pipe 10, the second coil pipe 6 and the water pumping device 1 can be driven to circularly flow, and the cooling effect of the oil cylinder 4 is improved;

one sides of the first coil pipe 10 and the second coil pipe 6, which are connected with the oil cylinder 4, are rectangular curved surfaces;

the rectangular curved surface is completely contacted with the oil cylinder 4, so that the heat conduction efficiency of the first coil pipe 10 and the second coil pipe 6 can be improved;

one sides of the first coil pipe 10 and the second coil pipe 6, which are far away from the oil cylinder 4, are arc surfaces, so that the contact area with air can be increased compared with a rectangular curved surface, and the heat dissipation efficiency is improved;

the water outlets at the upper part and the lower part of the first coil pipe 10 and the second coil pipe 6 are round openings;

the utility model discloses a theory of operation does: when the oil cylinder 4 works, the output shaft 3 of the oil cylinder drives the piston rod 2 to reciprocate, the piston rod 2 drives the piston to reciprocate, water outlets at the lower parts of the first coil pipe 10 and the second coil pipe 6 are both connected with one-way valves, the other ends of the one-way valves are connected with the water pumping device 1 through pipelines, and the directions of the one-way valves are opposite;

when the piston moves upwards, the first check valve 12 is in a passing state, the second check valve 8 is in a non-passing state, and at the moment, water in the first coil pipe 10 enters the body of the water pumping device 1 through the first check valve 12;

when the piston moves downwards, the first one-way valve 12 is in an inaccessible state, the second one-way valve 8 is in an accessible state, the piston sends out the water pressure in the water pumping device 1, water flows into the second coil pipe 6 through the second one-way valve 8, water in the second coil pipe 6 enters the first coil pipe 10 through the two-way joint 11, and the cooling water in the first coil pipe 10, the second coil pipe 6 and the water pumping device 1 can flow circularly by repeating the processes.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the right of the present invention should not be limited by the above-mentioned embodiments, and modifications, equivalent changes, improvements, etc. made according to the claims of the present invention still belong to the scope covered by the present invention.

Claims

1. The utility model provides a cooling device for hydro-cylinder which characterized in that: comprises a first coil pipe, a second coil pipe, a water pumping device and an oil cylinder, wherein a plurality of first fixed seats and a plurality of second fixed seats are fixed on the first coil pipe and the second coil pipe, the first coil pipe and the first fixed seat of the second coil pipe are fixedly connected through bolts, the inner sides of the first coil pipe and the second coil pipe are contacted with the outer wall of the oil cylinder, the water outlets at the upper parts of the first coil pipe and the second coil pipe are connected through a two-way joint, the water pumping device is provided with a third fixed seat, the second fixed seat and the third fixed seat are fixedly connected through bolts, the water outlets at the lower parts of the first coil pipe and the second coil pipe are respectively connected with a first one-way valve and a second one-way valve, the other end of the one-way valve is connected with the water pumping device through a pipeline, the water pumping device comprises a water pumping device body, a piston and a piston rod which are arranged inside the water pumping device body, and the piston rod is fixedly connected with an output shaft of the oil cylinder.

2. The cooling device for the oil cylinder according to claim 1, characterized in that: one side of the first coil pipe, one side of the second coil pipe and one side of the oil cylinder which are connected are rectangular curved surfaces.

3. The cooling device for the oil cylinder according to claim 2, characterized in that: the rectangular curved surface is in complete contact with the oil cylinder.

4. The cooling device for the oil cylinder according to claim 2, characterized in that: one sides of the first coil pipe and the second coil pipe, which are far away from the oil cylinder, are arc surfaces.

5. The cooling device for the oil cylinder according to claim 1, characterized in that: the water passing openings at the upper part and the lower part of the first coil pipe and the second coil pipe are round openings.