CN209621574U - Hydraulic pump radiator in a kind of crawler crane hydraulic system - Google Patents

Abstract

The utility model discloses hydraulic pump radiators in a kind of crawler crane hydraulic system, including support base, mounting base and hydraulic pump, the hydraulic pump is mounted on support base, the containment envelope being fixedly connected with support base is provided on the outside of the hydraulic pump, two sides inside the containment envelope close to hydraulic pump are provided with heat emission fan, the thermal vias of small-bore is offered on the outer wall of the containment envelope, the top of the containment envelope is equipped with cooling fin, the cooling fin is through to inside containment envelope, the front of the containment envelope is equipped with overhauls window, the side of the overhauls window is hinged with maintenance door, mounting base is provided with below the support base, it is fixedly connected between the mounting base and support base by shock structure.The utility model, structure is simple, easy to use, can rapidly to hydraulic pump carry out radiating and cooling, effectively avoid hydraulic pump because the temperature that runs at high speed for a long time is excessively high damage the case where, extend the service life of hydraulic pump.

Description

A cooling device for a hydraulic pump in a hydraulic system of a crawler crane

technical field

The utility model relates to the technical field of a hydraulic pump cooling device, in particular to a hydraulic pump cooling device in a crawler crane hydraulic system.

Background technique

The hydraulic system of the crawler crane is an important part of it, and the hydraulic pump is the power component of the hydraulic system. It is driven by an engine or an electric motor. It sucks oil from the hydraulic oil tank, forms pressure oil and discharges it, and sends it to one of the actuators. kinds of components. When the hydraulic pump runs at high speed, it will generate a lot of heat, which needs to be dissipated. However, the existing hydraulic pump heat dissipation device has a relatively complicated structure, is not convenient to operate and use, and has low heat dissipation efficiency and poor heat dissipation effect. The heat is easily accumulated in the device and cannot be dissipated. The vibration generated when the hydraulic pump is working cannot be reduced, the function is single, and the practicability is poor.

Utility model content

The purpose of this utility model is to provide a hydraulic pump heat dissipation device in the hydraulic system of a crawler crane to solve the hydraulic pump heat dissipation device in the prior art, which has a complex structure, is not convenient to operate and use, and has low heat dissipation efficiency and poor heat dissipation effect, etc. question.

In order to achieve the above purpose, the utility model provides the following technical solutions: a hydraulic pump cooling device in the hydraulic system of a crawler crane, including a support base, a mounting base and a hydraulic pump, the hydraulic pump is installed on the support base, the hydraulic pump The outer side of the protective cover is provided with a protective cover fixedly connected to the support seat, and the inside of the protective cover is provided with heat dissipation fans on both sides close to the hydraulic pump. The outer wall of the protective cover is provided with small-diameter heat dissipation through holes. A cooling fin is provided above, and the cooling fin penetrates into the inside of the protective cover. An inspection window is provided on the front of the protective cover, and an inspection door is hinged on one side of the inspection window, and a desiccant is provided on the inner wall of the inspection door. package, the desiccant package is filled with activated carbon desiccant, a mounting seat is provided under the support seat, and the mounting seat and the support seat are fixedly connected by a shock-absorbing column, and the outer wall of the mounting seat is provided with There are fixed ears, and fastening screws are inserted on the fixed ears.

Preferably, a circular opening is opened on the upper surface of the protective outer cover, and a wear-resistant sleeve is provided on the inner side of the circular opening.

Preferably, a magnet buckle cover is provided at the edge of the inspection door, and a magnet buckle is provided at a position corresponding to the magnet button cover of the inspection window.

Preferably, the shock-absorbing column is composed of a telescopic rod and a return spring sheathed on the outside of the telescopic rod. The telescopic rod is vertically arranged and its upper and lower ends are fixedly connected to the supporting seat and the mounting seat respectively.

Preferably, the heat sink is a plate or sheet structure made of aluminum alloy, brass or bronze, and the outer wall of the heat sink exposed outside the protective cover is provided with a heat dissipation bump, and the heat dissipation bump is Hemispherical shape.

Compared with the prior art, the beneficial effect of the utility model is: the utility model has a simple structure and is easy to use, and can quickly dissipate heat in the protective cover through the provided heat sink, heat dissipation fan and small-diameter heat dissipation through-holes. The hydraulic pump conducts heat dissipation and cooling, which effectively avoids the damage of the hydraulic pump due to long-term high-speed operation and excessive temperature, prolongs the service life of the hydraulic pump, and the small-diameter heat dissipation through holes not only ensure the air flow in the protective cover In addition, the inspection door set on the front of the protective cover facilitates people to overhaul the hydraulic pump in failure without disassembling the entire protective cover, which is convenient and saves maintenance. At the same time, the desiccant package set on the inner wall of the inspection door can absorb the moisture inside the protective cover, improve the dryness inside the protective cover, and reduce the situation of the hydraulic pump being damp and rusted. At the same time, between the mounting base and the support base The shock-absorbing columns arranged between them can play a good buffering and shock-absorbing effect on the hydraulic pump, reduce the vibration generated when the hydraulic pump is working, and help improve the stability of the hydraulic pump, and have good practicability.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a sectional view of the utility model.

In the figure: 1. Installation base; 2. Support base; 3. Protective cover; 4. Magnet buckle; 5. Hydraulic pump; 6. Maintenance window; 7. Desiccant bag; 8. Magnet buckle cover; ;10, inspection door; 11, circular opening; 12, heat sink; 13, heat dissipation through hole; 14, heat dissipation bump; 15, wear-resistant sleeve; 16, heat dissipation fan; 17, fixed ear; 19, telescopic rod; 20, return spring; 21, fastening screw.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1 and Fig. 2, in the embodiment of the utility model, a hydraulic pump cooling device in the hydraulic system of a crawler crane includes a support base 2, a mounting base 1 and a hydraulic pump 5, and the hydraulic pump 5 is installed on the support base 2 , the outer side of the hydraulic pump 5 is provided with a protective cover 3 fixedly connected with the support base 2, the inside of the protective cover 3 is provided with cooling fans 16 on both sides close to the hydraulic pump 5, and the outer wall of the protective cover 3 is provided with small-diameter cooling through holes 13. A heat sink 12 is provided above the protective cover 3, and the heat sink 12 penetrates into the inside of the protective cover 3. Through the provided heat sink 12, cooling fan 16 and small-diameter heat dissipation through-holes 13, the protective cover 3 can be quickly The internal hydraulic pump 5 performs heat dissipation and cooling, which effectively avoids the damage of the hydraulic pump 5 due to excessive high temperature during long-term high-speed operation, prolongs the service life of the hydraulic pump 5, and the small-diameter heat dissipation through-hole 13 not only ensures The air fluidity in the protective outer cover 3 can also reduce the situation that external dust enters the protective outer cover 3. The front of the protective outer cover 3 is provided with an inspection window 6, and an inspection door 10 is hinged on one side of the inspection window 6. By opening the inspection door 10. It is convenient for people to overhaul the failed hydraulic pump 5 without disassembling the entire protective cover 3. The overhaul is convenient and time-saving. The inner wall of the overhaul door 10 is provided with a desiccant bag 7, and the desiccant bag 7 is filled with There is an activated carbon desiccant 9, which can absorb the moisture inside the protective cover 3, improve the dryness inside the protective cover 3, and reduce the situation of the hydraulic pump 5 being damp and rusted, and the support seat 2 is provided with a mounting seat 1. The installation base 1 and the support base 2 are fixedly connected by a shock-absorbing column 18. There are fixing ears 17 around the outer wall of the installation base 1, and fastening screws 21 are inserted on the fixing ears 17. The fastening screws 2 facilitate The installation of the whole device is fixed. The upper surface of the protective cover 3 is provided with a round port 11. The inner side of the round port 11 is provided with a wear-resistant sleeve 15. The round port 11 is used for the plunger of the hydraulic pump 5 to pass through and retract. The maintenance door The edge of 10 is provided with a magnet buckle cover 8, and the position corresponding to the magnet buckle cover 8 of the maintenance window 6 is provided with a magnet buckle 4, and through the cooperation of the magnet buckle 4 and the magnet buckle cover 8, the opening of the maintenance door 10 is facilitated When closed, the shock-absorbing column 18 is composed of a telescopic rod 19 and a return spring 20 sleeved outside the telescopic rod 19. The telescopic rod 19 is vertically arranged and its upper and lower ends are fixedly connected to the support base 2 and the mounting base 1 respectively. The setting of the shock-absorbing column 18 can play a better buffering and shock-absorbing effect on the hydraulic pump 5, which reduces the vibration generated when the hydraulic pump 5 is working, and is beneficial to improving the working stability of the hydraulic pump 5. It has good practicability and heat dissipation. The sheet 12 is a plate or sheet structure made of aluminum alloy, brass or bronze. The outer wall of the cooling sheet 12 exposed on the outside of the protective cover 3 is provided with a heat dissipation bump 14. The heat dissipation bump 14 is in a hemispherical shape.

The working principle of the utility model is: during the operation of the hydraulic pump 5, the cooling fan 16 is connected to an external power supply, and the cooling fan 16 is energized to accelerate the air flow rate inside the protective outer cover 3, and the heat in the protective outer cover 3 is dissipated from the heat dissipation. The through hole 13 is discharged, and at the same time, the heat flowing in the protective cover 3 is lost to the external environment under the heat conduction of the heat sink 12, which enhances the heat dissipation effect of the hydraulic pump 5, thereby reducing the temperature of the hydraulic pump 5 due to long-term high-speed operation. At the same time, during the operation of the hydraulic pump 5, the shock-absorbing column 18 between the mounting base 1 and the support base 2 can buffer and reduce the vibration generated when the hydraulic pump 5 works, improving the hydraulic pump performance. 5 Stability of work. In addition, the activated carbon desiccant 9 in the desiccant bag 7 can absorb the moisture inside the protective cover 3, improve the dryness inside the protective cover 3, and reduce the situation that the hydraulic pump 5 is damp and rusted.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. hydraulic pump radiator in a kind of crawler crane hydraulic system, including support base (2), mounting base (1) and hydraulic It pumps (5), it is characterised in that: the hydraulic pump (5) is mounted on support base (2), is provided with and props up on the outside of the hydraulic pump (5) The containment envelope (3) that support seat (2) is fixedly connected, the internal two sides close to hydraulic pump (5) of the containment envelope (3) are provided with heat dissipation Fan (16), offer the thermal vias (13) of small-bore on the outer wall of the containment envelope (3), the containment envelope (3) it is upper Side is equipped with cooling fin (12), and the cooling fin (12) is through to containment envelope (3) inside, and the front of the containment envelope (3) is set Have overhauls window (6), the side of the overhauls window (6) is hinged with maintenance door (10), is set on the inner wall of the maintenance door (10) It is equipped with desiccant pack (7), is filled with active carbon desiccant (9) in the desiccant pack (7), is set below the support base (2) It is equipped with mounting base (1), is fixedly connected between the mounting base (1) and support base (2) by shock structure (18), the mounting base (1) outer wall surrounding is provided with fixed ear (17), is fitted with fastening screw (21) on the fixed ear (17).

2. hydraulic pump radiator in a kind of crawler crane hydraulic system according to claim 1, it is characterised in that: The upper surface of the containment envelope (3) offers round port (11), is provided with wear-resistant sleeve (15) on the inside of the round port (11).

3. hydraulic pump radiator in a kind of crawler crane hydraulic system according to claim 1, it is characterised in that: The edge of the maintenance door (10) is provided with magnet buckle closure (8), the overhauls window (6) it is corresponding with magnet buckle closure (8) Position on be provided with magnet button (4).

4. hydraulic pump radiator in a kind of crawler crane hydraulic system according to claim 1, it is characterised in that: The shock structure (18) is made of telescopic rod (19) and the reset spring (20) being set on the outside of telescopic rod (19), described to stretch Contracting bar (19) is arranged vertically and its upper and lower ends is fixedly connected with support base (2) and mounting base (1) respectively.

5. hydraulic pump radiator in a kind of crawler crane hydraulic system according to claim 1, it is characterised in that: The cooling fin (12) is the plate made of aluminium alloy, brass or bronze or laminated structure, the cooling fin (12) it is exposed Heat dissipation convex block (14) is provided on the external outer wall of containment envelope (3), the heat dissipation convex block (14) is hemispherical shape.