Cooling device and engineering equipment

By using parallel heat exchanger fin groups and cooling medium flow channels, the problem of difficult layout of traditional cooling devices on underground drilling rigs is solved, realizing the miniaturization and high-efficiency cooling of the cooling device, which is suitable for engineering equipment such as underground drilling rigs.

CN223512544UActive Publication Date: 2025-11-04HUNAN SHANHE MINING & ROCK EQUIP CO LTD
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Patent Information

Application Number
CN202422543640.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-11-04
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

Traditional cooling devices are large in size, making them difficult to install on underground drilling rigs. They are also easily clogged by dust and cannot provide effective cooling for two systems or components of the engineering equipment at the same time.

Method used

Design a cooling device that uses first and second heat exchanger groups arranged in parallel to simultaneously cool two components to be cooled through a cooling medium flow channel, and uses the cooling medium to flush powder residue in the rock drill hole on some devices.

Benefits of technology

This technology enables the miniaturization of the cooling device, facilitating its placement on engineering equipment. It also provides cooling for multiple components, reducing the need for additional water pumps and water lines, and improving the compactness and cooling efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a cooling device and engineering equipment, wherein the cooling device comprises a heat exchanger, a first to-be-cooled part and a second to-be-cooled part, the first to-be-cooled part and the second to-be-cooled part are connected with the heat exchanger, and the heat exchanger comprises a heat exchanger body, a first heat exchange fin group and a second heat exchange fin group, the first heat exchange sheet group and the second heat exchange sheet group are arranged in parallel; the first heat exchange piece set is provided with a first oil channel allowing oil in the first to-be-cooled component to enter. The second heat exchange piece set is provided with a second oil channel allowing oil in a second to-be-cooled component to enter. The heat exchanger further comprises a cooling medium circulation channel, and the cooling medium circulation channel covers and flows through the first heat exchange fin set and the second heat exchange fin set so as to cool oil in the first to-be-cooled component and the second to-be-cooled component at the same time. The cooling device can be used for cooling two systems or parts at the same time, occupies a small space, and is convenient to arrange on engineering equipment.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cooling technical field especially relates to a cooling device and engineering equipment. BACKGROUND

[0002] The downhole rock drilling rig needs an air compressor to provide auxiliary power for hydraulic rock drill lubrication, and the air compressor components need a separate oil cooling device to help screw compression oil cooling. However, such cooling device has a relatively large structure size, occupies space, and the downhole rock drilling rig requires a small overall size, compact structure, and difficult layout, plus an electric fan drive, dust easily clogging the surface of the plate heat exchanger, causing high temperature.

[0003] Therefore, there is an urgent need for a cooling device and engineering equipment that can simultaneously cool two systems or components of the engineering equipment, occupies small space, and is convenient to layout on the engineering equipment. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a cooling device and engineering equipment, and aims at solving the technical problems that the traditional cooling device is difficult to cool two systems / components in the engineering equipment and difficult to layout on the engineering equipment.

[0005] To achieve the above-mentioned purpose, in the first aspect, the utility model provides a cooling device, which comprises a heat exchanger, a first to be cooled component and a second to be cooled component connected with the heat exchanger, the heat exchanger comprises a heat exchanger body and a first heat exchange fin group and a second heat exchange fin group arranged in the heat exchanger body, and the first heat exchange fin group and the second heat exchange fin group are arranged in parallel;

[0006] The first heat exchange fin group is provided with a first oil liquid passage for the oil liquid in the first to be cooled component to flow through;

[0007] The second heat exchange fin group is provided with a second oil liquid passage for the oil liquid in the second to be cooled component to flow through;

[0008] The heat exchanger further comprises a cooling medium flow passage, and the cooling medium flow passage covers the first heat exchange fin group and the second heat exchange fin group to cool the oil liquid in the first to be cooled component and the second to be cooled component at the same time.

[0009] As a further improvement of the above scheme, the liquid inlet of the first oil liquid passage is connected with a first component oil suction pipeline, and the liquid outlet of the first oil liquid passage is connected with a first component oil return pipeline.

[0010] As a further improvement of the above scheme, the liquid inlet of the second oil liquid passage is connected with a second component oil suction pipeline, and the liquid outlet of the second oil liquid passage is connected with a second component oil return pipeline.

[0011] As a further improvement of the above-mentioned scheme, the inlet of the cooling medium flow channel is connected with an inlet pipeline, and the outlet of the cooling medium flow channel is connected with an outlet pipeline.

[0012] As a further improvement of the above-mentioned scheme, the first component to be cooled is a hydraulic system of the engineering equipment, and the second component to be cooled is a screw air compressor of the engineering equipment.

[0013] As a further improvement of the above-mentioned scheme, the outlet pipeline is connected with the inner cavity of a drill rod of a rock drill, for flushing powder residues in a rock drilling hole.

[0014] As a further improvement of the above-mentioned scheme, the first heat exchange fin group comprises 16 heat dissipation plates, and the second heat exchange fin group comprises 28 heat dissipation plates.

[0015] As a further improvement of the above-mentioned scheme, the heat dissipation plates are made of 316 stainless steel and are formed by copper vacuum welding.

[0016] In the second aspect, the utility model also provides a kind of engineering equipment, comprising the cooling device of the first aspect.

[0017] Due to the above technical scheme, the present application has the following beneficial effects:

[0018] The utility model provides a cooling device, including heat exchanger, first to be cooled component and second to be cooled component with first to be cooled component is connected, the heat exchanger includes heat exchanger body and sets up first heat exchange fin group and second heat exchange fin group in heat exchanger body, and first heat exchange fin group and second heat exchange fin group are provided in parallel, first heat exchange fin group is equipped with first oil liquid passage that oil liquid in first to be cooled component enters and flows, second heat exchange fin group is equipped with second oil liquid passage that oil liquid in second to be cooled component enters and flows, the heat exchanger still includes cooling medium flow channel, and cooling medium flow channel covers the oil liquid that flows through first heat exchange fin group and second heat exchange fin group, to the oil liquid in first to be cooled component and second to be cooled component is cooled simultaneously, in the utility model, first heat exchange fin group for cooling first to be cooled component and second heat exchange fin group for cooling second to be cooled component are provided in parallel in a heat exchanger body, only needs a cooling medium flow channel to cool the oil liquid that flows through two heat exchange fin groups simultaneously, need not set up corresponding cooling system respectively in each to be cooled system / component on engineering equipment, and integrated heat exchanger is small in size, is convenient for arranging on relevant engineering equipment, and on some engineering equipment, such as rock drill, still can connect the cooling medium flow outlet of cooling medium flow channel to the drill rod inner chamber of rock drill, flushes the powder residue in rock drilling hole with the cooling medium that absorbs heat, need not set up separate water pump and / or waterway additionally, make the layout of whole equipment more compact and reasonable. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present utility model or prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, obviously, the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to the structure shown in these drawings without creative labor for those skilled in the art.

[0020] Fig. 1 It is a front view schematic diagram of the cooling device disclosed by the present utility model.

[0021] Fig. 2 It is the internal principle schematic diagram of the heat exchanger disclosed by the present utility model.

[0022] Fig. 3 It is the structure schematic diagram of the heat exchange fin group of the heat exchanger disclosed by the present utility model.

[0023] Reference signs:

[0024] 1, heat exchanger, 11, heat exchanger body, 12, first heat exchange fin group, 13, second heat exchange fin group, 14, first oil liquid passage, 15, second oil liquid passage, 16, cooling medium flow channel.

[0025] 2. first component to be cooled (hydraulic system); 21, first component oil suction line; 22, first component oil return line;

[0026] 3. second component to be cooled (screw air compressor); 31, second component oil suction line; 32, second component oil return line; 4, water inlet line; 5, water outlet line.

[0027] The realization, functional features and advantages of the present application will be further described with reference to the embodiments in combination with the accompanying drawings. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0029] It should be noted that all the directional indications (such as up, down, etc.) in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0030] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features.

[0031] In addition, the technical solutions of the various embodiments of the present application can be combined with each other, but must be based on the realization by those skilled in the art, and when the combination of technical solutions appears to be contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0032] Example 1

[0033] Referring to Figs. 1-3 The present application provides a kind of cooling device, including heat exchanger 1, with the first component to be cooled 2 and second component to be cooled 3 of heat exchanger 1 connection, the heat exchanger 1 includes heat exchanger body 11 and the first heat exchange fin group 12 and second heat exchange fin group 13 being arranged in heat exchanger body 11, and the first heat exchange fin group 12 and second heat exchange fin group 13 are in parallel connection;

[0034] Referring to Fig. 2 The first heat exchange fin group 12 is provided with a first oil passage 14 for the oil in the first component 2 to flow through; the inlet H3 of the first oil passage 14 is connected with the oil suction port of the first component 2 through a first component oil suction pipeline 21; the outlet H4 of the first oil passage 14 is connected with the oil return port of the first component 2 through a first component oil return pipeline 22;

[0035] The second heat exchange fin group 13 is provided with a second oil passage 15 for the oil in the second component 3 to flow through; the inlet Q3 of the second oil passage 15 is connected with the oil suction port of the second component 3 through a second component oil suction pipeline 31; the outlet Q4 of the second oil passage 15 is connected with the oil return port of the second component 3 through a second component oil return pipeline 32;

[0036] The heat exchanger 1 further comprises a cooling medium flow passage 16, and the cooling medium flow passage 16 covers the flow through the first heat exchange fin group 12 and the second heat exchange fin group 13 to simultaneously cool the oil in the first component 2 and the second component 3; the inlet Q1 of the cooling medium flow passage 16 is connected with a water inlet pipeline 4, the water inlet pipeline 4 is connected with a water pump, and the outlet Q2 of the cooling medium flow passage 16 is connected with a water outlet pipeline 5; cooling medium (preferably water) enters the cooling medium flow passage 16 from the water inlet pipeline 4, simultaneously flows through the first heat exchange fin group 12 and the second heat exchange fin group 13, and then flows out from the water outlet pipeline 5;

[0037] In the utility model, the first heat exchange fin group 12 for cooling the first component 2 and the second heat exchange fin group 13 for cooling the second component 3 are connected in parallel in a heat exchanger body 11, only one cooling medium flow passage 16 is needed to simultaneously cool the oil flowing through the two heat exchange fin groups, a corresponding cooling system does not need to be respectively arranged on each component to be cooled of the engineering equipment, the integrated heat exchanger 1 is small in size and is convenient to arrange on the related engineering equipment; and on some engineering equipment, such as a rock drill, the cooling medium outlet of the cooling medium flow passage 16 can be connected to the inner cavity of the drill rod of the rock drill, the cooling medium absorbing heat is used to flush the powder residues in the rock drilling hole, a separate water pump and / or water pipeline do not need to be additionally arranged, and the layout of the whole device is more compact and reasonable.

[0038] As a preferred embodiment, the first component to be cooled 2 is a hydraulic system of the engineering equipment; the second component to be cooled 3 is a screw air compressor of the engineering equipment; the water outlet pipeline 5 is connected to the inner cavity of the drill rod of the hydraulic rock drill for flushing the powder residues in the rock drilling hole; in this way, the high-pressure water is passed through the heat exchanger 1, and the high-pressure water flows through the second heat exchange fin group 13 for cooling the hydraulic oil of the hydraulic system 2 and the first heat exchange fin group 12 for cooling the hydraulic oil of the screw air compressor 3 at the same time; the high-pressure water absorbing heat is then passed through the water outlet pipeline 5 into the inner cavity of the drill rod of the hydraulic rock drill for flushing the powder residues in the rock drilling hole, flows out of the hole, and ensures the rock drilling to reach the depth, and reduces the dust pollution in the roadway.

[0039] As a preferred embodiment, the first heat exchange fin group 12 includes 16 heat dissipation plates, and the second heat exchange fin group 13 includes 28 heat dissipation plates.

[0040] The heat dissipation plates are made of 316 stainless steel and are formed by copper vacuum welding;

[0041] Specifically, in the embodiment, the heat dissipation plates are smooth at the edges and have edge protection at the ends; the heat dissipation plates can generate the turbulence required for efficient heat transfer and have high mechanical strength.

[0042] Embodiment 2:

[0043] The utility model also provides an engineering equipment, including first aspect provides the cooling device of the described, in this embodiment, with hydraulic rock drill engineering equipment as example is explained, the hydraulic rock drill includes for equipment provides the hydraulic system 2 of hydraulic power and for the screw air compressor 3 of hydraulic rock drill lubrication provides auxiliary power, the first component to be cooled 2 in the cooling device is hydraulic system, the second component to be cooled 3 is screw air compressor, the first component oil pipeline 21 of the hydraulic system 2 is communicated with the oil inlet H3 of first oil passage 14, and the first component return oil pipeline 22 is communicated with the oil outlet H4 of first oil passage 14, the second component oil pipeline 31 of the screw air compressor 3 is communicated with the oil inlet Q3 of second oil passage 15, and the second component return oil pipeline 32 is communicated with the oil outlet Q4 of second oil passage 15, the water inlet pipeline 4 of cooling medium flow passage 16 is connected with water pump, for providing circulating cooling medium for heat exchanger 1, preferably, the cooling medium is water, the water outlet pipeline 5 is communicated with the inner cavity of drill rod of hydraulic rock drill, for flushing the powder residues in the rock drilling hole, the cooling medium (water pump pressurized high-pressure water) flows into heat exchanger 1 from water inlet pipeline 4, flows through first heat exchange fin group 12 and second heat exchange fin group 13 at the same time, then flows out through water outlet pipeline 5, and then flows into the inner cavity of drill rod of hydraulic rock drill, flushes the powder residues in the rock drilling hole, in this way, the whole vehicle hydraulic system 2 and screw air compressor 3 oil cooling are cooled at the same time, and the flushing function is achieved.

[0044] The above are only preferred embodiments of the present application, and do not limit the patent range of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or directly / indirectly applied in other related technical fields under the utility model concept of the present application are included in the patent protection range of the present application.

Claims

1. A cooling device, characterized in that, It includes a heat exchanger, a first component to be cooled and a second component to be cooled connected to the heat exchanger. The heat exchanger includes a heat exchanger body and a first heat exchange fin group and a second heat exchange fin group disposed in the heat exchanger body, and the first heat exchange fin group and the second heat exchange fin group are arranged in parallel. The first heat exchanger assembly is provided with a first oil channel for the oil in the first component to be cooled to enter and circulate. The second heat exchanger assembly is provided with a second oil channel for the oil in the second component to be cooled to enter and circulate; The heat exchanger further includes a cooling medium flow channel, which covers and flows through the first heat exchange plate group and the second heat exchange plate group to simultaneously cool the oil in the first and second components to be cooled.

2. The cooling device according to claim 1, characterized in that, The inlet of the first oil channel is connected to the oil suction pipe of the first component, and the outlet of the first oil channel is connected to the oil return pipe of the first component.

3. A cooling device according to claim 1, characterized in that, The inlet of the second oil channel is connected to the oil suction pipe of the second component, and the outlet of the second oil channel is connected to the oil return pipe of the second component.

4. A cooling device according to claim 1, characterized in that, The inlet of the cooling medium flow channel is connected to a water inlet pipe, and the outlet of the cooling medium flow channel is connected to a water outlet pipe.

5. A cooling device according to any one of claims 1-4, characterized in that, The first component to be cooled is the hydraulic system of the engineering equipment; the second component to be cooled is the screw air compressor of the engineering equipment.

6. A cooling device according to any one of claims 1-4, characterized in that, The first heat exchanger assembly includes 16 heat dissipation plates, and the second heat exchanger assembly includes 28 heat dissipation plates.

7. A cooling device according to claim 6, characterized in that, The heat sink is made of 316 stainless steel and formed by copper vacuum welding.

8. A cooling device according to claim 4, characterized in that, The water outlet pipe is connected to the inner cavity of the rock drill rod and is used to flush out powder and residue in the rock drill hole.

9. An engineering device, characterized in that, Includes a cooling device as described in any one of claims 1-8.