Heat dissipation and cooling device for hydraulic oil cylinder of jaw crusher

Abstract

The invention discloses a jaw crusher hydraulic oil cylinder heat dissipation cooling device which comprises a hydraulic oil cylinder connected to a movable jaw. The heat dissipation sleeve is arranged on the hydraulic oil cylinder, a plurality of fins are arranged on the surface of the heat dissipation sleeve, inner cavities are formed in the heat dissipation sleeve and the fins, and cooling media circulate in the inner cavities; a heat-conducting silicone grease thin layer is filled between the hydraulic oil cylinder and the heat dissipation sleeve; two modes of natural cooling and active cooling are combined, a cooling medium enters the heat dissipation cooling device of the oil cylinder from the guide pipe to flow and flows back to the guide pipe to enter an external water tank or a heat dissipation device, the oil cylinder is cooled in a circulating and reciprocating mode, heat exchange is conducted between cooling fins in the heat dissipation cooling device and air, and therefore the double heat dissipation effect is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of mining machinery, and specifically relates to a hydraulic cylinder heat dissipation and cooling device for a jaw crusher. Background Art

[0002] In actual production, the working environment of the jaw crusher is harsh. The moving jaw swings back and forth, making the hydraulic cylinder work in a high-frequency swinging environment, resulting in a rapid increase in the surface temperature. If the cylinder continues to work under this temperature condition, its service life will be shortened. In order to ensure the normal operation of the equipment, it is necessary to consider dissipating heat from the cylinder. There are two traditional heat dissipation methods: one is air-cooled heat dissipation, which uses natural convection or an active fan to generate an air flow blowing towards the heat-generating components of the cylinder to make the air flow carry away the heat. However, the effect is not good in a high-temperature environment. The other is water-cooled heat dissipation, which takes away the heat of the cylinder through the circulation of cooling water. In recent years, a dual-cooling system has emerged. The dual-cooling system combines the advantages of air-cooling and water-cooling, and improves the heat dissipation efficiency through the cooperation of cooling components and a radiator fan. Summary of the Invention

[0003] Aiming at the deficiencies of the prior art, the present invention provides a hydraulic cylinder heat dissipation and cooling device for a jaw crusher, aiming to solve the problems in the background art.

[0004] To achieve the above object, the present invention provides the following technical solution: A hydraulic cylinder heat dissipation and cooling device for a jaw crusher, comprising:

[0005] A hydraulic cylinder connected to the moving jaw;

[0006] A heat dissipation sleeve provided on the hydraulic cylinder, the surface of the heat dissipation sleeve is provided with multiple fins, and inner cavities are provided in both the heat dissipation sleeve and the fins and a cooling medium circulates therein;

[0007] A thin layer of thermal grease is filled between the hydraulic cylinder and the heat dissipation sleeve.

[0008] Further, the heat dissipation sleeve includes a sleeve with an opening, the sleeve is sleeved on the hydraulic cylinder, a thin layer of thermal grease is filled between the sleeve and the hydraulic cylinder, multiple fins are circumferentially provided on the surface of the sleeve, and a fin is provided at each opening of the sleeve. A cooling medium inlet and outlet interface is provided on each fin at the opening; inner cavities are provided in both the sleeve and the fins, and the inner cavity of the fin communicates with the inner cavity in the sleeve.

[0009] Further, the cooling medium inlet and outlet interface is externally connected to a cooling medium transmission device through a cooling medium transmission pipe.

[0010] Further, both the sleeve and the fins are made of copper sheets.

[0011] Further, a plurality of spring fixing clips are clamped on the fins at the opening of the sleeve.

[0012] Furthermore, a clamping block for opening and closing the clamping mouth is provided on the spring clip.

[0013] Compared with the existing technology, the present invention has the following beneficial effects: The present invention combines two cooling methods, natural cooling and active cooling. The cooling medium enters the heat dissipation and cooling device of the oil cylinder from the conduit and flows, then returns to the conduit and enters the external water tank or heat dissipation device, circulating to cool the oil cylinder. The heat dissipation fins in the heat dissipation and cooling device also exchange heat with the air, thus forming a dual heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0015] Figure 2 It is a schematic diagram of the connection structure of the hydraulic oil cylinder and the heat dissipation sleeve of the present invention.

[0016] Figure 3 It is a schematic diagram of the structure of the heat dissipation sleeve of the present invention.

[0017] Figure 4 It is a schematic cross-sectional view of the heat dissipation sleeve of the present invention.

[0018] Figure 5 It is a schematic diagram of the structure of the spring clip of the present invention.

[0019] In the figure, 1, moving jaw; 2, hydraulic oil cylinder; 21, heat dissipation sleeve; 211, sleeve; 212, fin; 22, cooling medium inlet and outlet interface; 23, spring clip; 231, clamping block; 3, cooling medium transmission pipe. DETAILED DESCRIPTION OF THE INVENTION

[0020] As Figure 1 - Figure 2 shown, the present invention provides a technical solution: A heat dissipation and cooling device for a hydraulic oil cylinder of a jaw crusher, comprising:

[0021] A hydraulic oil cylinder 2 connected to the moving jaw 1.

[0022] A heat dissipation sleeve 21 provided on the hydraulic oil cylinder 2, a plurality of fins 212 are provided on the surface of the heat dissipation sleeve 21, and inner cavities are provided in both the heat dissipation sleeve 21 and the fins 212 for circulating and flowing the cooling medium.

[0023] A thin layer of thermal conductive silicone grease is filled between the hydraulic oil cylinder 2 and the heat dissipation sleeve 21.

[0024] By providing channels in the heat dissipation sleeve 21 and the fins 212 and circulating the cooling medium, the present invention combines the air cooling of the fins 212 and the water cooling of the cooling medium, and can quickly dissipate heat from the hydraulic oil cylinder 2, slowing down the reduction of the service life caused by high temperature.

[0025] As Figure 3As shown, the heat dissipation sleeve 21 includes a sleeve 211 with an opening. The sleeve 211 is sleeved on the hydraulic cylinder 2. A thin layer of thermal grease is filled between the sleeve 211 and the hydraulic cylinder 2. Multiple fins 212 are arranged around the surface of the sleeve 211, and one fin 212 is provided at each opening of the sleeve 211. A cooling medium inlet and outlet interface 22 is provided on each of the fins 212 at the opening; an inner cavity is provided in both the sleeve 211 and the fins 212, and the inner cavity of the fins 212 communicates with the inner cavity in the sleeve 211.

[0026] Among them, both the sleeve 211 and the fins 212 are made of copper sheets with a thickness of 0.1 - 1.0 mm, which can ensure that heat quickly contacts the air and dissipates.

[0027] As Figure 4 shown, the thickness d of the inner cavity of the fin 212 is about 2 - 4 mm, the distance l between adjacent fins 212 is not less than 12 mm. Let the distance between the center of the sleeve 211 and the highest point of the fin 212 be H, and the height h of the fin 212 is about 1 / 3H. By limiting the thickness, distance, and height of the fins 212, the arrangement of the fins 212 is made more uniform, improving the heat dissipation performance of the fins 212.

[0028] Among them, the cooling medium inlet and outlet interface 22 is externally connected to a cooling medium transmission device, a water-cooled radiator, through a cooling medium transmission pipe 3 for the circulating heat dissipation of the cooling medium in the heat dissipation sleeve 21.

[0029] Among them, a plurality of spring fixing clips 23 are clamped on the fins 212 at the opening of the sleeve 211 for installing the sleeve 211 on the hydraulic cylinder 2, and the design of the opening and clamping facilitates improving the overall disassembly and assembly speed of the heat dissipation sleeve 21.

[0030] As Figure 5 shown, a clamping block 231 for opening and closing the clamping mouth is provided on the spring fixing clip 23. When the spring fixing clip 23 needs to be installed on the fin 212 at the opening of the sleeve 211, a caliper is used to insert into the clamping block 231 to open and install the spring fixing clip 23.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A jaw crusher hydraulic cylinder heat dissipation cooling device, characterized in that: include: A hydraulic cylinder (2) connected to the movable jaw (1); A heat dissipation sleeve (21) is arranged on the hydraulic cylinder (2), wherein a plurality of fins (212) are arranged on the surface of the heat dissipation sleeve (21), and an inner cavity is arranged in the heat dissipation sleeve (21) and the fins (212) and a cooling medium circulates therein; A thin layer of heat-conducting silicone grease is filled between the hydraulic oil cylinder (2) and the heat dissipation sleeve (21).

2. The heat dissipation cooling device for the hydraulic cylinder of a jaw crusher according to claim 1 is characterized in that: The heat dissipation sleeve (21) comprises a sleeve (211) with an opening, the sleeve (211) is sleeved on the hydraulic oil cylinder (2), a thin layer of heat-conducting silicone grease is filled between the sleeve (211) and the hydraulic oil cylinder (2), a plurality of fins (212) are arranged around the surface of the sleeve (211), each opening of the sleeve (211) is provided with a fin (212), and each fin (212) at the opening is provided with a cooling medium inlet and outlet interface (22); the sleeve (211) and the fin (212) are both provided with an inner cavity, and the inner cavity of the fin (212) is communicated with the inner cavity of the sleeve (211).

3. The heat dissipation cooling device for the hydraulic cylinder of a jaw crusher according to claim 2 is characterized in that: The cooling medium inlet and outlet interface (22) is connected to an external cooling medium transmission device via a cooling medium transmission pipe (3).

4. The heat dissipation cooling device for the hydraulic cylinder of a jaw crusher according to claim 3 is characterized by: The sleeve (211) and the fin (212) are both made of copper sheets.

5. The heat dissipation cooling device for the hydraulic cylinder of a jaw crusher according to claim 4 is characterized in that: A plurality of spring fixing clips (23) are clamped on the fin (212) at the opening of the sleeve (211).

6. The heat dissipation cooling device for the hydraulic cylinder of a jaw crusher according to claim 5 is characterized by: The spring fixing clamp (23) is provided with a clamping block (231) for opening and closing the clamping opening.

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