CN208605422U - A kind of high-torque hydraulic cylinder - Google Patents

Abstract

The utility model discloses a kind of high-torque hydraulic cylinders, including hydraulic main body, the surface of the hydraulic main body is fixedly connected with fixed disk, the surface of the fixed disk is fixedly connected with card slot, the surface fixed connection and sealing circle of the hydraulic main body, the hydraulic main body are socketed with piston rod, and the surface of the card slot is connected with fixture block, the surface of the fixture block is fixedly connected with the surface of seal disc, and the inner cavity of the seal disc is fixedly connected with the top of compressed spring.A kind of high-torque hydraulic cylinder, by the fixed disk of setting, so that seal disc is fixedly connected with hydraulic main body, so that y-type seal ring is at the top of sealing ring, pass through the compressed spring of setting, when sealing ring occurs damaged, sealing ring and hydraulic body contact are made under the action of elastic force, and graphite packing is contacted with sealing ring, pass through the heat absorption circle of setting, make piston rod when moving reciprocatingly, the heat for passing out hydraulic body lumen is absorbed, and then lowers the temperature of piston rod surface.

Description

A kind of high-torque hydraulic cylinder

Technical field

The utility model relates to technical field of hydraulic equipment, specially a kind of high-torque hydraulic cylinder.

Background technique

Hydraulic cylinder is that hydraulic energy is changed into mechanical energy, the hydraulic of straight reciprocating motion (or pendulum motion) is done and executes member Part, its structure is simple, reliable operation, when realizing reciprocating motion, can remove deceleration device from it, and do not have drive gap, Movement is steady, therefore is used widely in the hydraulic system of various machinery, and when hydraulic cylinder works long hours, temperature is increased So that oil viscosity will be decreased obviously, cause sealing ring failure that can cause to leak when deforming.

Utility model content

The purpose of this utility model is to provide a kind of high-torque hydraulic cylinders, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of high-torque hydraulic cylinder, including Hydraulic Main Body, the surface of the hydraulic main body are fixedly connected with fixed disk, and the surface of the fixed disk is fixedly connected with card slot, described hydraulic The surface fixed connection and sealing circle of main body, the hydraulic main body are socketed with piston rod, and the surface of the card slot is connected with fixture block, The surface of the fixture block is fixedly connected with the surface of seal disc, and the inner cavity of the seal disc is fixedly connected with the top of compressed spring Portion, the bottom of the compressed spring are fixedly connected with terminal pad, and the bottom of the terminal pad is connected with graphite packing, the connection The surface of disk is socketed with y-type seal ring, and cooler pan is fixedly connected at the top of the seal disc, and the inner cavity of the cooler pan is fixed It is connected with heat absorption circle, the surface of the heat absorption circle is fixedly connected with cooling ring, is fixedly connected with cooling on the right side of the cooling ring The surface of pipe, the cooling tube is fixedly connected with cooler by waterproof rubber ring, and the right side of the cooler passes through waterproof rubber Glue is fixedly connected with heat conducting pipe, and the surface of the heat conducting pipe is fixedly connected with radiator, and the surface of the radiator is fixedly connected There is cooling fin, the intracavity bottom of the seal disc is fixedly connected with condenser, and the intracavity bottom of the seal disc is fixedly connected with The screw top of fin heat dissipation plate, the cooler pan is connected with cooling lid.

Preferably, the surface of the seal disc offers through-hole compatible with piston rod, and card slot is adapted with fixture block, The surface of the fixed disk is fixedly connected with the bottom of seal disc.

Preferably, the quantity of the cooling tube is two, and is symmetrically distributed in cooling as symmetry axis using the middle line of cooling ring The surface of ring, and the material of cooling tube is brass tube.

Preferably, the surface of the condenser is socketed with cooling tube by rubber seal, and cooling tube passes through thermally conductive sheet It is fixedly connected with the surface of fin heat dissipation plate, the lumen loading object of the condenser is condensate liquid.

Preferably, the inner cavity topping-up of the cooling ring, the lumen loading object of the cooler is coolant liquid, described The material of heat conducting pipe is aluminium alloy, and the lumen loading object of heat conducting pipe is distilled water.

Preferably, the surface of the cooler pan offers through-hole compatible with piston rod, and the cooling ring and heat absorption are enclosed Shape be tubulose.

Compared with prior art, the utility model has the beneficial effects that a kind of high-torque hydraulic cylinder, passes through consolidating for setting Price fixing, so that being fixedly connected at the top of the bottom of seal disc and hydraulic main body, so that y-type seal ring is on the top of sealing ring Portion connects sealing ring with hydraulic main body when sealing ring occurs damaged by the compressed spring of setting Touching, and graphite packing is contacted with sealing ring, by the heat absorption circle of setting, makes piston rod when moving reciprocatingly, pass out The heat of hydraulic body lumen is absorbed, and then lowers the temperature of piston rod surface, by the cooling ring of setting, through heat transfer The cooled ring of the heat of heat absorption circle absorbs, so that the temperature of piston rod surface declines, by the heat conducting pipe of setting, so that cold But the heat that pipe is absorbed by the cooled device of thermal diffusion can be dissipated by heat sink to air by the fin of setting Hot plate, so that cooling tube is passed to heat in air in the heat after condenser absorbs, by thermally conductive sheet transmitting.

Detailed description of the invention

Fig. 1 is the utility model schematic cross-sectional view；

Fig. 2 is enlarged structure schematic diagram at the utility model A；

Fig. 3 is the utility model cooler pan schematic cross-sectional view；

Fig. 4 is the utility model cooling ring overlooking structure diagram.

In figure: 1 hydraulic main body, 2 fixed disks, 3 card slots, 4 sealing rings, 5 piston rods, 6 fixture blocks, 7 seal discs, 8 compressed springs, 9 terminal pads, 10 graphite packings, 11Y type sealing ring, 12 cooler pans, 13 heat absorption circles, 14 cooling rings, 15 cooling tubes, 16 coolers, 17 heat conducting pipes, 18 radiators, 19 cooling fins, 20 condensers, 21 fin heat dissipation plates, 22 cooling lids, 23 thermally conductive sheets.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of high-torque hydraulic cylinder, including hydraulic main body 1, the surface of hydraulic main body 1 is fixedly connected with fixed disk 2, by the fixed disk 2 of setting so that the bottom of seal disc 7 with it is hydraulic The top of main body 1 is fixedly connected, so that the top of 11Y type sealing ring sealing ring 4, the surface of fixed disk 2 is fixedly connected with Card slot 3, the surface fixed connection and sealing circle 4 of hydraulic main body 1, hydraulic main body 1 are socketed with piston rod 5, the surface clamping of card slot 3 There is fixture block 6, the surface of fixture block 6 is fixedly connected with the surface of seal disc 7, and seal disc 7 is threadedly coupled with fixed disk 2, seal disc 7 Surface offers through-hole compatible with piston rod 5, and card slot 3 is adapted with fixture block 6, surface and the seal disc 7 of fixed disk 2 Bottom is fixedly connected, and the inner cavity of seal disc 7 is fixedly connected with the top of compressed spring 8, by the compressed spring 8 of setting, when close When breakage occurs in seal 4, contact sealing ring 4 with hydraulic main body 1, and make graphite packing 10 with it is close Seal 4 contacts, and the bottom of compressed spring 8 is fixedly connected with terminal pad 9, and the bottom of terminal pad 9 is connected with graphite packing 10, graphite The bottom of packing 10 is connect with the top movable of sealing ring 4, and the surface of terminal pad 9 is socketed with y-type seal ring 11, seal disc 7 Top is fixedly connected with cooler pan 12, and the surface of cooler pan 12 offers through-hole compatible with piston rod 5, cooling ring 14 and suction The shape of gas ket 13 is tubulose, and the inner cavity of cooler pan 12 is fixedly connected with heat absorption circle 13, by the heat absorption circle 13 of setting, makes piston When moving reciprocatingly, the heat for passing out hydraulic 1 inner cavity of main body is absorbed bar 5, and then lowers the temperature on 5 surface of piston rod, The surface of heat absorption circle 13 is fixedly connected with cooling ring 14, the inner cavity topping-up of cooling ring 14, the lumen loading of cooler 16 Object is coolant liquid, and the material of heat conducting pipe 17 is aluminium alloy, and the lumen loading object of heat conducting pipe 17 is distilled water, passes through the cold of setting But ring 14, the cooled ring 14 of heat through heat transfer heat absorption circle 13 absorbs, so that the temperature on 5 surface of piston rod declines, The right side of cooling ring 14 is fixedly connected with cooling tube 15, and the quantity of cooling tube 15 is two, and is pair with the middle line of cooling ring 14 The surface for claiming axial symmetry to be distributed in cooling ring 14, and the material of cooling tube 15 is brass tube, the surface of cooling tube 15 passes through waterproof Rubber ring is fixedly connected with cooler 16, and the right side of cooler 16 is fixedly connected with heat conducting pipe 17 by water proof rubber, by setting The heat conducting pipe 17 set, so that the heat that cooling tube 15 is absorbed by the cooled device 16 of thermal diffusion, can be transmitted to by radiator 18 In air, the surface of heat conducting pipe 17 is fixedly connected with radiator 18, and the surface of radiator 18 is fixedly connected with cooling fin 19, close The intracavity bottom of closing disk 7 is fixedly connected with condenser 20, and the surface of condenser 20 is socketed with cooling tube 15 by rubber seal, And cooling tube 15 is fixedly connected by thermally conductive sheet 23 with the surface of fin heat dissipation plate 21, the lumen loading object of condenser 20 is condensation Liquid, the intracavity bottom of seal disc 7 are fixedly connected with fin heat dissipation plate 21, by the fin heat dissipation plate 21 of setting, so that cooling tube 15 are passed to heat in air in the heat after the absorption of condenser 20, by the transmitting of thermally conductive sheet 23, cooler pan 12 Screw top be connected with cooling lid 22.

Working principle: when a kind of high-torque hydraulic cylinder in use, piston rod 5 is when moving reciprocatingly, in the work of heat transmitting With the lower heat that can be passed out inside hydraulic main body 1, heat absorption circle 13 absorbs the heat transmitted by piston rod 5 and by cooled The distilled water of 14 inner cavity of ring absorbs, and the heat of a part is made to absorb a part by cooler 16 under the action of cooling tube 15 Afterwards, it transmits by heat conducting pipe 17 and is transmitted in air eventually by radiator 18, the heat of another part passes through cooling tube 15 It is transmitted in air under the contact of thermally conductive sheet 23 by fin heat dissipation plate 21, when the excessively high radiator 18 of temperature and sealing ring When 4 failure, under the action of compressed spring 8 terminal pad is moved down, so that graphite packing 10 is contacted with sealing ring 4, and Allow sealing ring 4 to be contacted again with hydraulic main body 1, at the same y-type seal ring 11 prevent it is hydraulic have leakage, pass through the radiator 18 of setting With fin heat dissipation plate 21, the heat inside hydraulic main body 1 is reduced, is prolonged the service life, by the seal disc of setting, in sealing ring 4 prevent hydraulic leak when deforming.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of high-torque hydraulic cylinder, including hydraulic main body (1), it is characterised in that: the surface of the hydraulic main body (1) is fixed to be connected It is connected to fixed disk (2), the surface of the fixed disk (2) is fixedly connected with card slot (3), and the surface of the hydraulic main body (1) is fixed It connects sealing ring (4), the hydraulic main body (1) is socketed with piston rod (5), and the surface of the card slot (3) is connected with fixture block (6), the surface of the fixture block (6) is fixedly connected with the surface of seal disc (7), and the inner cavity of the seal disc (7) is fixedly connected with The bottom at the top of compressed spring (8), the compressed spring (8) is fixedly connected with terminal pad (9), the bottom of the terminal pad (9) Portion is connected with graphite packing (10), and the surface of the terminal pad (9) is socketed with y-type seal ring (11), the top of the seal disc (7) Portion is fixedly connected with cooler pan (12), and the inner cavity of the cooler pan (12) is fixedly connected with heat absorption circle (13), the heat absorption circle (13) surface is fixedly connected with cooling ring (14), is fixedly connected with cooling tube (15) on the right side of the cooling ring (14), described The surface of cooling tube (15) is fixedly connected with cooler (16) by waterproof rubber ring, and the right side of the cooler (16) passes through anti- Water rubber is fixedly connected with heat conducting pipe (17), and the surface of the heat conducting pipe (17) is fixedly connected with radiator (18), the heat dissipation The surface of device (18) is fixedly connected with cooling fin (19), and the intracavity bottom of the seal disc (7) is fixedly connected with condenser (20), The intracavity bottom of the seal disc (7) is fixedly connected with fin heat dissipation plate (21), the screw top connection of the cooler pan (12) There are cooling lid (22).

2. a kind of high-torque hydraulic cylinder according to claim 1, it is characterised in that: the surface of the seal disc (7) opens up Have with piston rod (5) compatible through-hole, and card slot (3) is adapted with fixture block (6), the surface of the fixed disk (2) and sealing The bottom of disk (7) is fixedly connected.

3. a kind of high-torque hydraulic cylinder according to claim 1, it is characterised in that: the quantity of the cooling tube (15) is two Root, and it is symmetrically distributed in using the middle line of cooling ring (14) as symmetry axis the surface of cooling ring (14), and the material of cooling tube (15) For brass tube.

4. a kind of high-torque hydraulic cylinder according to claim 1, it is characterised in that: the surface of the condenser (20) passes through Rubber seal is socketed with cooling tube (15), and cooling tube (15) is solid by the surface of thermally conductive sheet (23) and fin heat dissipation plate (21) Fixed connection, the lumen loading object of the condenser (20) are condensate liquid.

5. a kind of high-torque hydraulic cylinder according to claim 1, it is characterised in that: the inner cavity of the cooling ring (14) fills Distilled water, the lumen loading object of the cooler (16) are coolant liquid, and the material of the heat conducting pipe (17) is aluminium alloy, and thermally conductive The lumen loading object for managing (17) is distilled water.

6. a kind of high-torque hydraulic cylinder according to claim 1, it is characterised in that: the surface of the cooler pan (12) opens up Have and encloses the shape of (13) with piston rod (5) compatible through-hole, the cooling ring (14) and heat absorption as tubulose.