CN214661224U - Compact hydraulic oil cylinder with high temperature resistance - Google Patents

Abstract

The utility model relates to a hydraulic cylinder technical field just discloses compact hydraulic cylinder with high temperature resistance, including the hydro-cylinder body, the fixed a plurality of heat conduction fin boards that are provided with of outside symmetry of hydro-cylinder body, the fixed frame of outside fixedly connected with cover outside heat conduction fin board of hydro-cylinder body, the outside fixed joint of fixed frame has the pressure cover to cool off the box outside heat conduction fin board, the cooling box is close to the sealed piece of one end fixedly connected with annular of fixed frame, the annular seal groove of pegging graft is seted up with the sealed piece correspondence in annular in the outside of fixed frame, one side of hydro-cylinder body is provided with two from top to bottom the cavity dish, coolant liquid case and the pump machine that set up, two from top to bottom the lateral wall of cavity dish is fixed the intercommunication respectively has a plurality of outlet pipes and inlet tube. The utility model discloses can realize the rapid cooling to the hydro-cylinder body, effectively avoid high temperature to influence hydro-cylinder body life's problem.

Description

Compact hydraulic oil cylinder with high temperature resistance

Technical Field

The utility model relates to a hydraulic cylinder technical field especially relates to compact hydraulic cylinder with high temperature resistance.

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.

Because the liquid metal temperature is very high when hydraulic cylinder piston rod stretches into die casting die inner chamber, the temperature passes through the hydraulic oil of piston rod transmission inside the hydro-cylinder, and hydraulic oil is heated the back and will lead to that the used sealing member of hydraulic cylinder also bears the high temperature influence, has influenced hydraulic cylinder's life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art because the liquid metal temperature is very high when the hydraulic cylinder piston rod stretches into the die casting die inner chamber, the temperature passes through the piston rod and transmits the inside hydraulic oil of hydro-cylinder, and hydraulic oil will lead to the used sealing member of hydraulic cylinder to also bear the high temperature influence after being heated, has influenced hydraulic cylinder's life's problem, and the compact hydraulic cylinder who has high temperature resistance ability that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the compact hydraulic oil cylinder with high temperature resistance comprises an oil cylinder body, wherein a plurality of heat-conducting fin plates are symmetrically and fixedly arranged on the outer side of the oil cylinder body, the outer side of the oil cylinder body is fixedly connected with a fixing frame which is covered outside the heat conduction fin plate, the outer side of the fixing frame is fixedly clamped with a cooling box which is pressed and covered outside the heat conduction fin plate, one end of the cooling box close to the fixed frame is fixedly connected with an annular sealing block, the outer side of the fixed frame is provided with an annular sealing groove which is correspondingly spliced with the annular sealing block, one side of the oil cylinder body is provided with two hollow discs, a cooling liquid tank and a pump which are arranged up and down, the side walls of the upper hollow disc and the lower hollow disc are respectively and fixedly communicated with a plurality of water outlet pipes and water inlet pipes, the outlet pipe and the inlet tube are respectively fixedly communicated with the upper end and the lower end of the cooling box, the two ends are communicated with the same circulating pipe between the hollow discs, and the cooling liquid tank and the pump are arranged on the circulating pipe.

Preferably, a plurality of through holes are uniformly formed in the surface of the heat conduction fin plate.

Preferably, the outside of fixed frame is rotated through the pivot symmetry and is connected with many joint poles, the draw-in groove has been seted up to the one end pole wall of joint pole, the fixture block of a plurality of joints of outside fixedly connected with of cooling box in the draw-in groove, the one end of joint pole has been seted up jack and jack internalization and has been inserted and be equipped with the gag lever post, the spacing groove of pegging graft is seted up with the gag lever post correspondence to the lateral wall of fixture block, the spacing arm-tie of one end fixedly connected with of gag lever post, spacing arm-tie and the relative one side fixedly connected with of joint pole establish the spacing spring outside the gag lever post at the same cover.

Preferably, the specific material of heat conduction fin is copper alloy.

Preferably, the pump is electrically connected with an external power supply through a control switch.

Preferably, the outer side of the annular sealing block is coated with a layer of sealing rubber pad.

Compared with the prior art, the utility model provides a compact hydraulic cylinder with high temperature resistance performance possesses following beneficial effect:

1. this compact hydraulic cylinder with high temperature resistance, through a plurality of heat conduction finned plates that are equipped with, when the hydro-cylinder body stretches into heat transfer to hydraulic oil in the high-temperature liquid because of the piston rod, the heat that carries in the hydraulic oil is outside this body through heat conduction finned plate heat dissipation to hydro-cylinder, the pump machine is carried the coolant liquid in the coolant liquid case to the downside cavity dish in, the rethread inlet tube is carried to in the cooling box, take away the heat on heat conduction finned plate surface, and circulate to the coolant liquid incasement through the outlet pipe, can realize the rapid cooling to the hydro-cylinder body, the problem that high temperature influences hydro-cylinder body life has effectively been avoided.

2. This compact hydraulic cylinder with high temperature resistance can realize the quick assembly disassembly between cooling box and the fixed frame, convenient to use, make cooling box and fixed frame rapid stabilization's sealing connection together through the annular seal piece that is equipped with and annular seal groove, rotate the joint pole again, make the draw-in groove chucking of joint pole wall outside the fixture block, the spacing groove is aimed at to the gag lever post this moment, spacing spring pullback is spacing arm-tie, spacing arm-tie impels the gag lever post to realize the firm connection of joint pole and fixture block in the spacing groove, can realize cooling box and fixed frame.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can realize the rapid cooling to the hydro-cylinder body, effectively avoid high temperature to influence hydro-cylinder body life's problem.

Drawings

Fig. 1 is a schematic structural diagram of a compact hydraulic cylinder with high temperature resistance provided by the present invention;

fig. 2 is the structural schematic diagram of the part a of the compact hydraulic cylinder with high temperature resistance provided by the utility model.

In the figure: the oil cylinder comprises an oil cylinder body 1, a heat conduction fin plate 2, a fixing frame 3, a cooling box 4, an annular sealing block 5, an annular sealing groove 6, a hollow disc 7, a cooling liquid tank 8, a pump 9, a water outlet pipe 10, a water inlet pipe 11, a circulating pipe 12, a through hole 13, a clamping rod 14, a clamping groove 15, a clamping block 16, a limiting rod 17, a limiting groove 18, a limiting pull plate 19 and a limiting spring 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a compact hydraulic cylinder with high temperature resistance comprises a cylinder body 1, a plurality of heat-conducting fin plates 2 are symmetrically and fixedly arranged on the outer side of the cylinder body 1, a fixing frame 3 covering the heat-conducting fin plates 2 is fixedly connected to the outer side of the cylinder body 1, a cooling box 4 press-fitted and sleeved outside the heat-conducting fin plates 2 is fixedly clamped on the outer side of the fixing frame 3, an annular sealing block 5 is fixedly connected to one end of the cooling box 4 close to the fixing frame 3, an annular sealing groove 6 correspondingly inserted with the annular sealing block 5 is formed on the outer side of the fixing frame 3, two hollow discs 7 arranged up and down, a cooling liquid tank 8 and a pump 9 are arranged on one side of the cylinder body 1, a plurality of water outlet pipes 10 and water inlet pipes 11 are respectively and fixedly communicated with the side walls of the upper and lower hollow discs 7, the water outlet pipes 10 and the water inlet pipes 11 are respectively and fixedly communicated with the upper and lower ends of the cooling box 4, and a same circulating pipe 12 is communicated between the two hollow discs 7, the coolant tank 8 and the pump 9 are arranged on the circulation pipe 12.

A plurality of through holes 13 are uniformly formed on the surface of the heat-conducting fin plate 2.

The outside of fixed frame 3 is connected with many joint poles 14 through the pivot symmetry rotation, draw-in groove 15 has been seted up to the one end pole wall of joint pole 14, the outside fixedly connected with a plurality of joints of cooling box 4 is the fixture block 16 in draw-in groove 15, the one end of joint pole 14 is seted up the jack and the activity of jack is inserted and is equipped with gag lever post 17, the spacing groove 18 that corresponds the grafting with gag lever post 17 is seted up to the lateral wall of fixture block 16, the spacing arm-tie 19 of one end fixedly connected with of gag lever post 17, spacing arm-tie 19 and the relative one side fixedly connected with of joint pole 14 are established the same spacing spring 20 of cover outside gag lever post 17.

The specific material of the heat conduction fin plate 2 is copper alloy.

The pump 9 is electrically connected with an external power supply through a control switch.

The outer side of the annular sealing block 5 is coated with a layer of sealing rubber pad.

In the utility model, when in use, when the oil cylinder body 1 transfers heat to hydraulic oil due to the piston rod extending into high temperature liquid through the plurality of heat-conducting fin plates 2, the heat carried in the hydraulic oil is dissipated out of the oil cylinder body 1 through the heat-conducting fin plates 2, the pump 9 conveys the cooling liquid in the cooling liquid tank 8 to the hollow disc 7 at the lower side and then conveyed into the cooling box 4 through the water inlet pipe 11 to take away the heat on the surface of the heat-conducting fin plates 2 and circulate to the cooling liquid tank 8 through the water outlet pipe 10, thereby realizing the rapid cooling of the oil cylinder body 1, effectively avoiding the problem that the service life of the oil cylinder body 1 is influenced by high temperature, the cooling box 4 is connected with the fixed frame 3 in a rapid and stable sealing way through the annular sealing block 5 and the annular sealing groove 6, and then the clamping rod 14 is rotated to clamp the clamping groove 15 on the rod wall of the clamping rod 14 outside the clamping block 16, at this moment, the limiting rod 17 is aligned with the limiting groove 18, the limiting spring 20 pulls back the limiting pull plate 19, the limiting pull plate 19 pushes the limiting rod 17 into the limiting groove 18, the clamping rod 14 and the clamping block 16 can be stably connected, the cooling box 4 and the fixing frame 3 can be quickly disassembled and assembled, and the use is convenient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The compact hydraulic oil cylinder with high temperature resistance comprises an oil cylinder body (1) and is characterized in that a plurality of heat-conducting fin plates (2) are symmetrically and fixedly arranged on the outer side of the oil cylinder body (1), a fixing frame (3) which covers the heat-conducting fin plates (2) is fixedly connected to the outer side of the oil cylinder body (1), a cooling box (4) which is sleeved outside the heat-conducting fin plates (2) in a pressing mode is fixedly clamped to the outer side of the fixing frame (3), an annular sealing block (5) is fixedly connected to one end, close to the fixing frame (3), of the cooling box (4), an annular sealing groove (6) which is correspondingly inserted into the annular sealing block (5) is formed in the outer side of the fixing frame (3), two hollow discs (7) which are vertically arranged, a cooling liquid tank (8) and a pump machine (9) are arranged on one side of the oil cylinder body (1), and a plurality of water outlet pipes (10) and water inlet pipes (11) are respectively and fixedly communicated with the side walls of the two hollow discs (7), outlet pipe (10) and inlet tube (11) are fixed respectively and are communicate at the upper and lower both ends of cooling box (4), two it has same root circulating pipe (12) still to communicate between well cavity dish (7), coolant liquid case (8) and pump machine (9) set up on circulating pipe (12).

2. The compact hydraulic oil cylinder with high temperature resistance according to claim 1, characterized in that a plurality of through holes (13) are uniformly formed on the surface of the heat-conducting fin plate (2).

3. The compact hydraulic ram with high temperature resistance of claim 1, the outer side of the fixed frame (3) is symmetrically and rotatably connected with a plurality of clamping rods (14) through rotating shafts, a clamping groove (15) is formed in the rod wall at one end of the clamping rod (14), a plurality of clamping blocks (16) clamped in the clamping grooves (15) are fixedly connected to the outer side of the cooling box (4), one end of the clamping rod (14) is provided with an insertion hole, a limiting rod (17) is movably inserted in the insertion hole, the side wall of the clamping block (16) is provided with a limiting groove (18) which is correspondingly inserted with the limiting rod (17), spacing arm-tie (19) of one end fixedly connected with of gag lever post (17), spacing arm-tie (19) and joint pole (14) one side fixedly connected with is established the same spacing spring (20) of establishing outside gag lever post (17) relatively.

4. The compact hydraulic oil cylinder with high temperature resistance according to claim 1, characterized in that the specific material of the heat-conducting fin plate (2) is copper alloy.

5. The compact hydraulic cylinder with high temperature resistance according to claim 1, characterized in that the pump (9) is electrically connected with an external power supply through a control switch.

6. The compact hydraulic ram with high temperature resistance according to claim 1, characterized in that the outside of the annular sealing block (5) is covered with a layer of sealing rubber pad.

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