CN214742465U

CN214742465U - Self-heat-dissipation hydraulic oil cylinder device

Info

Publication number: CN214742465U
Application number: CN202121088117.1U
Authority: CN
Inventors: 杨兰芳; 赵杰; 田建生; 张兰平
Original assignee: Yuanping Hengxin Hydraulic Machinery Co ltd
Current assignee: Yuanping Hengxin Hydraulic Machinery Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-11-16
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a self-heat-dissipation hydraulic oil cylinder device, which comprises an oil cylinder body, a piston rod and a refrigeration box, the outer surface of the oil cylinder body is wound with a heat exchange pipe, the inner right surface of the refrigeration box is provided with a fan, the lower part of the inner left surface of the refrigeration box is provided with a water pump, the upper end of the outer surface of the oil cylinder body is connected with an annular heat dissipation box, the driving end of the motor is fixedly connected with a second gear, the upper side of the second gear penetrates through the lower side wall of the annular heat dissipation box and is meshed with the first gear, the upper surface of the first gear is provided with a fan, the upper ends of a plurality of heat conducting plates are fixedly connected with the lower surface of the annular heat dissipation box, the heat exchange tubes are wound on the outer sides of the heat conducting plates, so that the hydraulic oil cylinder device can dissipate heat more comprehensively and has better heat dissipation effect, and then improved this hydraulic cylinder device's life, made things convenient for the staff to maintain this hydraulic cylinder device moreover.

Description

Self-heat-dissipation hydraulic oil cylinder device

Technical Field

The utility model relates to a hydraulic cylinder technical field, concrete field is a from heat dissipation type hydraulic cylinder device.

Background

The hydraulic oil cylinder is the most important executing element in the hydraulic system, converts hydraulic energy into mechanical energy, and is matched with various transmission mechanisms to complete various mechanical movements. The hydraulic cylinder has the characteristics of simple structure, large output force, stable and reliable performance, convenience in use and maintenance, wide application range and the like. The piston rod of the hydraulic oil cylinder does reciprocating motion in the using process, a large amount of heat is continuously generated by friction with the inner wall of the cylinder barrel, the heat dissipation performance of the existing hydraulic oil cylinder is generally poor, and the heat is accumulated in the cylinder barrel for a long time, so that a sealing piece in the hydraulic oil cylinder is burnt by high temperature, the oxidation and even deformation of the sealing piece are accelerated, the sealing function is finally lost, the normal operation of the hydraulic oil cylinder is seriously affected, and therefore the self-heat-dissipation hydraulic oil cylinder device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a from heat dissipation type hydraulic cylinder device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a self-heat-dissipation hydraulic oil cylinder device comprises an oil cylinder body, a piston rod and a refrigeration box, wherein the piston rod is connected inside the oil cylinder body in a sliding mode, a heat exchange tube is wound on the outer surface of the oil cylinder body, a fan is arranged on the inner right surface of the refrigeration box, a water pump is arranged on the lower portion of the inner left surface of the refrigeration box, the liquid outlet end of the heat exchange tube penetrates through the side wall of the refrigeration box and is communicated with the liquid inlet end of the water pump, the liquid inlet end of the heat exchange tube penetrates through the side wall of the refrigeration box and is communicated with the liquid outlet end of the water pump, an annular heat dissipation box is connected to the upper end of the outer surface of the oil cylinder body, a first gear is rotatably connected to the lower portion of the inner surface of the annular heat dissipation box, a motor is arranged on the lower portion of the right side wall of the annular heat dissipation box, a second gear is fixedly connected to the driving end of the motor, the upper side of the second gear penetrates through the lower side wall of the annular heat dissipation box and is meshed with the first gear, the upper surface of the first gear is provided with a fan, and the upper surface of the annular heat dissipation box is uniformly provided with through holes.

Preferably, the outer surface downside fixed mounting of hydro-cylinder body has annular fixed plate, annular fixed plate's upper surface evenly is equipped with the heat-conducting plate, and is a plurality of the upper end of heat-conducting plate all with the lower fixed surface of annular heat dissipation case is connected, the heat exchange tube winding is a plurality of the outside of heat-conducting plate, and is a plurality of the heat-conducting plate with the outer surface in close contact with of hydro-cylinder body.

Preferably, the upper surface of the annular heat dissipation box is provided with a protection pad matched with the piston rod.

Preferably, the upper surface of the annular heat dissipation case is recessed inward.

Preferably, the part of the heat exchange tube positioned in the refrigeration box is arranged in a snake shape.

Preferably, the number of the fans is at least four, and the number of the heat-conducting plates is at least four.

Compared with the prior art, the utility model has the advantages that the fan cools the heat exchange liquid in the heat exchange pipe, the heat exchange pipe wound outside the oil cylinder body cools the outer surface of the oil cylinder body, the motor enables the gear II to stir the gear I, and the fan on the gear I cools the outer surface of the piston rod, so that the hydraulic oil cylinder device can radiate heat more comprehensively and has better radiating effect, and the service life of the hydraulic oil cylinder device is further prolonged; through at hydro-cylinder body downside installation annular fixed plate, be equipped with a plurality of heat-conducting plates with hydro-cylinder body in close contact with on the annular fixed plate, the heat exchange tube winding is on the heat-conducting plate, and annular heat dissipation case of heat-conducting plate upside fixedly connected with can make things convenient for the dismantlement of annular heat dissipation case and heat exchange tube, makes things convenient for the staff to maintain this hydraulic cylinder device.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a front view of the internal structure of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a top view of the internal structure of the annular heat dissipation case of the present invention;

fig. 5 is a top view of the annular fixing plate of the present invention.

In the figure: 1-an oil cylinder body, 2-a piston rod, 3-a refrigeration box, 4-a heat exchange tube, 5-a fan, 6-a water pump, 7-an annular heat dissipation box, 8-a gear I, 9-a motor, 10-a gear II, 11-a fan, 12-an annular fixing plate, 13-a heat conduction plate and 14-a protection pad.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a self-radiating hydraulic oil cylinder device comprises an oil cylinder body 1, a piston rod 2 and a refrigeration box 3, wherein symmetrical air holes can be formed in the left side wall and the right side wall of the refrigeration box 3, ventilation and cooling are facilitated, the piston rod 2 is connected inside the oil cylinder body 1 in a sliding mode, a heat exchange tube 4 is wound on the outer surface of the oil cylinder body 1, heat exchange liquid is arranged in the heat exchange tube 4, a fan 5 is arranged on the inner right surface of the refrigeration box 3, a water pump 6 is arranged on the lower portion of the inner left surface of the refrigeration box 3, the liquid outlet end of the heat exchange tube 4 penetrates through the side wall of the refrigeration box 3 and is in through connection with the liquid inlet end of the water pump 6, the liquid inlet end of the heat exchange tube 4 penetrates through the side wall of the refrigeration box 3 and is in through connection with the liquid outlet end of the water pump 6, the water pump 6 is controlled to operate, heat exchange liquid circulates in the heat exchange tube 4, and when the heat exchange liquid enters the refrigeration box 3, the fan 5 cools the heat exchange liquid, the cooled heat exchange liquid circulates to the heat exchange tube 4 on the outer surface of the oil cylinder body 1 to cool the oil cylinder body 1.

The outer surface upper end of hydro-cylinder body 1 is connected with annular heat dissipation case 7, the internal surface lower part of annular heat dissipation case 7 rotates and is connected with gear 8, the right lateral wall lower part of annular heat dissipation case 7 is equipped with motor 9, the drive end fixedly connected with gear two 10 of motor 9, the upside of gear two 10 runs through the lower lateral wall of annular heat dissipation case 7 with gear 8 meshes, the upper surface of gear 8 is equipped with fan 11, the upper surface of annular heat dissipation case 7 evenly is equipped with the through-hole, and control motor 9 moves, and motor 9 makes gear two 10 rotate, and gear two 10 stirs gear 8, and fan 11 on gear 8 centers on piston rod 2 and rotates to blow upwards, the surface cooling to piston rod 2.

In conclusion, when the hydraulic oil cylinder device runs, the fixed oil cylinder body 1 and the piston rod 2 which stretches continuously can both dissipate heat, so that the hydraulic oil cylinder device has a better heat dissipation effect, the phenomenon that an inner sealing ring of the hydraulic oil cylinder device is subjected to high-temperature roasting deformation for a long time to influence the running of the hydraulic oil cylinder device is avoided, and the service life of the hydraulic oil cylinder device is prolonged.

Particularly, the outer surface downside fixed mounting of hydro-cylinder body 1 has annular fixed plate 12, the upper surface of annular fixed plate 12 evenly is equipped with heat-conducting plate 13, and heat-conducting plate 13 can adopt the copper product preparation, makes heat-conducting plate 13's heat conductivity better, and is a plurality of the upper end of heat-conducting plate 13 all with the lower fixed surface of annular heat dissipation case 7 is connected, the heat exchange tube 4 winding is a plurality of the outside of heat-conducting plate 13, and is a plurality of heat-conducting plate 13 with the surface in close contact with of hydro-cylinder body 1, through dismantling annular fixed plate 12, conveniently with heat exchange tube 4 and annular heat dissipation case 7 and hydro-cylinder body 1 separation, make things convenient for the staff to maintain or change this hydraulic cylinder device.

Specifically, the upper surface of annular heat dissipation case 7 is equipped with the cooperation the protection pad 14 of piston rod 2, and when piston rod 2 ran, protection pad 14 can reduce the degree of collision of piston rod 2 terminal surface and annular heat dissipation case 7, reduces the wearing and tearing of piston rod 2 and annular heat dissipation case 7.

Specifically, the upper surface of the annular heat dissipation box 7 is concave inward, so that cold air blown by the fan 11 can be intensively blown to the middle piston rod 2, and the cooling effect of the piston rod 2 is better.

Particularly, the part of the heat exchange tube 4 in the refrigeration box 3 is in a snake-shaped arrangement, so that the time of the heat exchange liquid in the heat exchange tube 4 in the refrigeration box 3 is longer, and the temperature reduction of the heat exchange liquid is facilitated.

Particularly, the number of the fans 11 is at least four, so that the cooling effect of the piston rod 2 is better, and the number of the heat-conducting plates 13 is at least four, so that the cooling effect of the oil cylinder body 1 is better.

The working principle is as follows: when the oil cylinder body 1 and the piston rod 2 work, the fan 5 and the water pump 6 can be controlled to work, the fan 5 is enabled to cool heat exchange liquid in the heat exchange pipe 4, the heat exchange pipe 4 wound around the oil cylinder body 1 is enabled to cool the oil cylinder body 1, the motor 9 is controlled to run, the gear I8 is shifted by the gear II 10, the fan 11 on the gear I8 rotates, the fan 11 runs to cool the outer surface of the piston rod 2, in conclusion, the oil cylinder body 1 and the piston rod 2 in running can be effectively cooled, the heat dissipation effect of the hydraulic oil cylinder device is enabled to be better, the service life of the device is prolonged, the annular fixing plate 12 is installed on the oil cylinder body 1, the heat exchange pipe 4 wound on the heat conduction plate 13 on the upper side and the annular heat dissipation box 7 fixedly connected with the upper side can be detached, and the hydraulic oil cylinder device can be maintained or replaced conveniently.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model is including the conventional connected mode of circuit connection adoption conventional among the prior art, and here detailed description is not again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a from heat dissipation type hydraulic cylinder device, includes hydro-cylinder body (1), piston rod (2) and refrigeration case (3), its characterized in that: the piston rod (2) is connected inside the oil cylinder body (1) in a sliding manner, a heat exchange tube (4) is wound on the outer surface of the oil cylinder body (1), a fan (5) is arranged on the inner right surface of the refrigeration box (3), a water pump (6) is arranged on the lower portion of the inner left surface of the refrigeration box (3), the liquid outlet end of the heat exchange tube (4) penetrates through the side wall of the refrigeration box (3) and the liquid inlet end of the water pump (6) in a through connection manner, the liquid inlet end of the heat exchange tube (4) penetrates through the side wall of the refrigeration box (3) and the liquid outlet end of the water pump (6) in a through connection manner, the outer surface upper end of the oil cylinder body (1) is connected with an annular heat dissipation box (7), the inner surface lower portion of the annular heat dissipation box (7) is rotatably connected with a first gear (8), a motor (9) is arranged on the lower portion of the right side wall of the annular heat dissipation box (7), and a second gear (10) is fixedly connected with a driving end of the motor (9), the upside of gear two (10) runs through the lower lateral wall of annular heat dissipation case (7) with gear one (8) meshing, the upper surface of gear one (8) is equipped with fan (11), the upper surface of annular heat dissipation case (7) evenly is equipped with the through-hole.

2. A self-dissipating hydraulic ram assembly as claimed in claim 1, wherein: the outer surface downside fixed mounting of hydro-cylinder body (1) has annular fixed plate (12), the upper surface of annular fixed plate (12) evenly is equipped with heat-conducting plate (13), and is a plurality of the upper end of heat-conducting plate (13) all with the lower fixed surface of annular heat dissipation case (7) is connected, heat exchange tube (4) winding is a plurality of the outside of heat-conducting plate (13), and a plurality of heat-conducting plate (13) with the surface in close contact with of hydro-cylinder body (1).

3. A self-dissipating hydraulic ram assembly as claimed in claim 2, wherein: and a protection pad (14) matched with the piston rod (2) is arranged on the upper surface of the annular heat dissipation box (7).

4. A self-dissipating hydraulic ram assembly as claimed in claim 3, wherein: the upper surface of the annular heat dissipation box (7) is concave towards the inner side.

5. A self-dissipating hydraulic ram apparatus according to claim 4, wherein: the heat exchange tube (4) is positioned in the refrigeration box (3) and is arranged in a snake shape.

6. A self-dissipating hydraulic ram apparatus according to claim 5, wherein: the number of the fans (11) is at least four, and the number of the heat-conducting plates (13) is at least four.