CN117307565B - Double-cooling device of hydraulic system of backhoe loader - Google Patents
Double-cooling device of hydraulic system of backhoe loader Download PDFInfo
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- CN117307565B CN117307565B CN202311263739.7A CN202311263739A CN117307565B CN 117307565 B CN117307565 B CN 117307565B CN 202311263739 A CN202311263739 A CN 202311263739A CN 117307565 B CN117307565 B CN 117307565B
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- 238000001816 cooling Methods 0.000 title claims abstract description 139
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 131
- 239000007788 liquid Substances 0.000 claims abstract description 63
- 239000012530 fluid Substances 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 230000008093 supporting effect Effects 0.000 claims description 20
- 230000009977 dual effect Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 4
- 241000883990 Flabellum Species 0.000 claims 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract description 47
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract description 16
- 238000001125 extrusion Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 10
- 239000007864 aqueous solution Substances 0.000 abstract description 7
- 238000002347 injection Methods 0.000 description 14
- 239000007924 injection Substances 0.000 description 14
- 230000008569 process Effects 0.000 description 8
- 238000007789 sealing Methods 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Power Engineering (AREA)
Abstract
The invention discloses a double cooling device of a hydraulic system of an excavating loader, which relates to the technical field of cooling and comprises the following components: the water cooling assembly comprises two arc-shaped cooling bins. This dig loader hydraulic system's double cooling device, when using, when temperature sensor monitors that the cold subassembly of play water cooperation forced air cooling subassembly uses the cooling effect still not good, the controller just controls and starts the hydraulic stem, when the hydraulic stem extension, drive extrusion piece and promote forward, thereby make extrusion piece and U die cavity press the hose into curved flat slice form, can adjust and close the liquid velocity of flow at the in-process of promotion, the glycol of liquid is in the fluid reservoir, the state of glycol is liquid, can flow the buffer tube through the connecting tube in, the buffer tube can make the glycol velocity of flow slow, and can flow the water tank through the hose in, can form the glycol aqueous solution when glycol and water are mixed.
Description
Technical Field
The invention relates to the technical field of cooling, in particular to a double-cooling device of a hydraulic system of an excavating loader.
Background
The loader-digger is a common engineering mechanical device, is mainly used for digging, loading and carrying earth and stone materials, has double functions of the excavator and the loader, is commonly used in the engineering fields of earthwork, roadbed engineering, mining and the like, and needs to use a hydraulic system to provide power in the operation process of the loader-digger, and the hydraulic system of the loader-digger can generate a large amount of heat in the operation process, if the hydraulic oil cannot be cooled effectively in time, the temperature of the hydraulic system is too high, and the performance and the service life of the system are affected.
In the prior art, as in chinese patent publication No. CN113624032a, a dual-circuit circulation cooling device is disclosed, which comprises a lower end shell, a water outlet is fixedly arranged on the lower end shell, a first water passing pipe is fixedly arranged on the lower end shell, a second water passing pipe is fixedly arranged on the lower end shell, a fifth water passing pipe is fixedly arranged on the lower end shell, a sixth water passing pipe is fixedly arranged on the lower end shell, a second isolation plate is fixedly arranged on the lower end shell, a plurality of second guide plates are fixedly arranged in the lower end shell, a water inlet is fixedly arranged on the upper end shell, a fourth water passing pipe is fixedly arranged on the upper end shell, a third water passing pipe is fixedly arranged on one end, far away from the third water passing pipe, of the upper end shell, an eighth water passing pipe is fixedly arranged on the upper end shell, a first isolation plate is fixedly arranged in the upper end shell, and a plurality of first guide plates are fixedly arranged in the upper end shell.
At present, a common single cooling mode in the market can not meet the requirement of cooling a hydraulic system of the backhoe loader, so that in order to improve the cooling effect, the hydraulic system of the backhoe loader is cooled by a double cooling device, most of the existing double cooling device consists of an air cooling part and a water cooling part, but the most common cooling medium in the existing water cooling part is water, the temperature of the water is not very low, and after long-time recycling, the temperature of the water in a water cooling pipe can be increased, so that the cooling effect is poor.
We have therefore proposed a dual cooling device for the hydraulic system of an excavating loader in order to solve the problems set out above.
Disclosure of Invention
The invention aims to provide a double-cooling device of a hydraulic system of an excavating loader, which aims to solve the problem that the cooling effect is poor because the most common cooling medium for the conventional water cooling provided by the background art is water and the temperature of the water is increased after long-time cyclic use.
In order to achieve the above purpose, the present invention provides the following technical solutions: a dual cooling device for a hydraulic system of an excavating loader comprising: the water cooling assembly comprises two arc-shaped cooling bins, wherein the outer surfaces of two sides of each arc-shaped cooling bin are fixedly connected with a plurality of heat conduction fins, a plurality of flow pipes are fixedly communicated between the bottoms of the two arc-shaped cooling bins, the top of one arc-shaped cooling bin is fixedly communicated with a water outlet pipe, and the top of the other arc-shaped cooling bin is fixedly communicated with a conveying pipe; the cooling assembly comprises a water tank, a plurality of bracing pieces of top fixed mounting of water tank, a plurality of fixedly connected with fluid reservoir between the top of bracing piece, the fixed intercommunication in bottom center department of fluid reservoir has the installation cover, the connecting pipe is installed to the inner wall of installation cover, the bottom fixed intercommunication of connecting pipe has the buffer tube, the bottom fixed intercommunication of buffer tube has the hose, the bottom of hose runs through to the inside of water tank, one side fixed intercommunication of water tank has the inlet tube, the fixed intercommunication in top of water tank has the installation pipe, be provided with the flowmeter main part between the top of installation pipe and the bottom of conveyer pipe.
Preferably, two equal fixedly connected with of bottom of arc cooling storehouse consolidates the piece, wherein two equal fixedly connected with screw sleeve of surface of consolidating the piece, two equal threaded connection of screw sleeve's inner wall has the threaded rod, two the one end of threaded rod slides respectively and runs through two other consolidates the piece to outside, two the one end of threaded rod has all welded the regulation handle.
Preferably, the outer surfaces of the two threaded sleeves are movably sleeved with supporting clamping plates, the bottoms of the two supporting clamping plates are welded with supporting frames, and two reinforcing rods are welded between the opposite sides of the supporting frames.
Preferably, one of the outer surfaces of the supporting frames is welded with a mounting plate, a fixing plate is welded at the position, close to the top, of the outer surface of the mounting plate, a reinforcing inclined plate is welded between the bottom of the fixing plate and the outer surface of the mounting plate, and a controller is arranged at the top of the fixing plate.
Preferably, a bottom plate is welded on one side of the fixed plate, a fixing frame is welded on the outer surface of the bottom plate, and a reinforcing block is welded between the inner walls of the fixing frame.
Preferably, the top of mount is provided with the liquid pump, the water inlet of liquid pump passes through the ring flange fixed intercommunication with the one end of inlet tube, the delivery port of liquid pump passes through the ring flange fixed intercommunication with the one end of outlet pipe.
Preferably, the water tank is arranged at the top of the bottom plate, a first liquid injection pipe is fixedly communicated with the top of the water tank, a first sealing cover is connected with the top end of the first liquid injection pipe in a threaded manner, a second liquid injection pipe is fixedly communicated with the top of the liquid tank, and a second sealing cover is connected with the top end of the second liquid injection pipe in a threaded manner.
Preferably, the top of water tank is close to fluid reservoir department fixed mounting and has the locating plate, the surface of locating plate is provided with the hydraulic stem, the one end fixed mounting of hydraulic stem has the extrusion piece, the both sides of extrusion piece all are fixed with the slider, the top fixedly connected with U die cavity of water tank, the slide opening has all been seted up to the opposite one side of U die cavity, the surface of extrusion piece and the inner wall sliding connection of U die cavity, two the inner wall of slide opening respectively with the surface sliding connection of two sliders.
Preferably, one of them the surface department that is close to the bottom of support frame is fixed with the forced air cooling subassembly, the forced air cooling subassembly is including L template, one side of L template is close to top department fixed mounting has the backplate, the surface of backplate is provided with temperature sensor, the top fixedly connected with layer board of L template, fixedly connected with arc between the opposite side of bottom and L template of layer board.
Preferably, a servo motor is arranged at the position, close to one side, of the top of the supporting plate, a limiting block is fixedly arranged at the position, close to the other side, of the top of the supporting plate, an I-shaped shaft is embedded in the limiting block in a rotating mode, an output shaft of the servo motor is fixedly connected with one side of the I-shaped shaft, a rotating shaft is arranged at the other side of the I-shaped shaft, a plurality of fan blades are arranged on the outer surface of the rotating shaft, a reinforcing plate is fixed on one side of the supporting plate, and a protective cover is fixedly connected to the outer surface of the reinforcing plate.
Compared with the prior art, the invention has the beneficial effects that:
1. when the temperature sensor monitors that the cooling effect of the water outlet cooling assembly matched with the air cooling assembly is still poor, the controller controls the starting hydraulic rod, when the hydraulic rod stretches, the extrusion block is driven to push forwards, so that the extrusion block and the U-shaped cavity are pressed into arc-shaped flat plates, the flow rate of liquid can be adjusted and closed in the pushing process, the liquid glycol is filled in the liquid tank, the glycol is in a liquid state and flows into the buffer tube through the connecting tube, the buffer tube can enable the flow rate of the glycol to be slow, the glycol can flow into the water tank through the soft tube, glycol aqueous solution can be formed when the glycol and water are mixed, the glycol aqueous solution has lower freezing point and higher boiling point, the temperature of an object can be quickly reduced at lower temperature, and at the moment, the liquid flowing in the pipeline of the water cooling assembly is the glycol aqueous solution with better cooling effect, so that the double cooling devices have better cooling effect when cooling the hydraulic system of the excavating loader.
2. When the intelligent water pump is used, the temperature rising of the hydraulic system is monitored through the temperature sensor, the temperature rising signal is transmitted to the controller, the controller controls the liquid pump after receiving the signal, the water in the water tank is pumped out through the water inlet pipe and is transmitted to the arc cooling bins connected with the water inlet pipe, under the communication of the plurality of flow pipes, the water pumped out from the water tank can be rapidly transmitted to the two arc cooling bins and then flows back to the water tank through the transmission pipes, the water can take away heat between the two arc cooling bins when circularly flowing, the plurality of heat conducting fins are made of metal copper, the heat can be absorbed to the surface of the arc cooling bins more conveniently, the effect of cooling is achieved along with the continuous circulation of the water, the water can pass through the flowmeter main body when flowing back to the water tank from the transmission pipes, the current water circulation speed is judged by the flowmeter main body, the degree is set in advance in the controller, when the temperature monitored by the temperature sensor is higher, the controller controls the rotating speed of the liquid pump to be faster, and conversely, the rotating speed of the liquid pump is slower.
3. When the cooling device is used, the output shaft of the servo motor drives the I-shaped shaft to rotate in the limiting block by starting the servo motor, the limiting block has a supporting effect on the I-shaped shaft, the I-shaped shaft can be prevented from inclining in the rotating process, and the I-shaped shaft is connected with the rotating shaft, so that the rotating shaft simultaneously rotates along with the I-shaped shaft, the fan blades rotate to generate wind, and the cooling can be accelerated by blowing the wind to the position of the arc cooling bin.
4. When the hydraulic system is used, the distance between the two arc-shaped cooling bins is adjusted according to the volume of the hydraulic system required to be cooled, so that the two arc-shaped cooling bins can be attached to the outside of equipment to be cooled, and when the hydraulic system is adjusted, the adjusting handle is rotated, so that the adjusting handle drives the threaded rod to rotate in the threaded sleeve, the two threaded sleeves and the two threaded rods are mutually limited, and the position adjustment of the two arc-shaped cooling bins is realized.
Drawings
FIG. 1 is a front perspective view of a dual cooling device of a hydraulic system of an excavating loader of the present invention;
FIG. 2 is a side perspective view of a dual cooling device of the hydraulic system of the backhoe loader of the present invention;
FIG. 3 is a rear perspective view of a dual cooling device of the hydraulic system of the backhoe loader of the present invention;
FIG. 4 is an expanded perspective view of a portion of the water cooling assembly of the dual cooling device of the hydraulic system of the backhoe loader of the present invention;
FIG. 5 is a partial top perspective view of a water cooling assembly of a dual cooling device of a hydraulic system of an excavating loader of the present invention;
FIG. 6 is a partial perspective view of an air cooled assembly of a dual cooling device of a hydraulic system of an excavating loader of the present invention;
FIG. 7 is a partial perspective view of a cooling module of a dual cooling device of a hydraulic system of an excavating loader of the present invention;
FIG. 8 is a perspective view of a buffer tube portion of a dual cooling device of a hydraulic system of an excavating loader according to the present invention.
In the figure:
1. a cooling component; 101. a water tank; 102. a liquid tank; 103. a mounting plate; 104. a flowmeter body; 105. a support rod; 106. installing a pipe; 107. a controller; 108. reinforcing sloping plates; 109. a fixing plate; 110. a bottom plate; 111. a fixing frame; 112. a reinforcing block; 113. a liquid pump; 114. a water inlet pipe; 115. a first liquid injection pipe; 116. a first sealing cover; 117. a second sealing cover; 118. a second liquid injection pipe; 119. a U-shaped cavity; 120. a slide hole; 121. a slide block; 122. a hydraulic rod; 123. a positioning plate; 124. extruding a block; 125. a hose; 126. a buffer tube; 127. a connecting pipe; 128. a mounting sleeve; 2. an air cooling assembly; 201. an L-shaped plate; 202. a temperature sensor; 203. a back plate; 204. an arc-shaped plate; 205. a supporting plate; 206. a servo motor; 207. a limiting block; 208. a protective cover; 209. a reinforcing plate; 210. an I-shaped shaft; 211. a rotating shaft; 212. a fan blade; 3. a water cooling assembly; 301. an arc cooling bin; 302. a heat conducting fin; 303. a water outlet pipe; 304. a delivery tube; 305. a flow pipe; 306. a reinforcing block; 307. a threaded sleeve; 308. an adjusting handle; 309. a threaded rod; 4. a support frame; 5. a reinforcing rod; 6. and supporting the clamping plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: a dual cooling device for a hydraulic system of an excavating loader comprising: the water cooling assembly 3 comprises two arc-shaped cooling bins 301, wherein the outer surfaces of two sides of the two arc-shaped cooling bins 301 are fixedly connected with a plurality of heat conducting fins 302, a plurality of flow pipes 305 are fixedly communicated between the bottoms of the two arc-shaped cooling bins 301, the top of one arc-shaped cooling bin 301 is fixedly communicated with a water outlet pipe 303, and the top of the other arc-shaped cooling bin 301 is fixedly communicated with a conveying pipe 304; the cooling assembly 1, cooling assembly 1 is including water tank 101, the top fixed mounting of water tank 101 has a plurality of bracing pieces 105, fixedly connected with fluid reservoir 102 between the top of a plurality of bracing pieces 105, the fixed intercommunication in bottom center department of fluid reservoir 102 has installation cover 128, connecting pipe 127 is installed to the inner wall of installation cover 128, the bottom fixed intercommunication of connecting pipe 127 has buffer tube 126, the bottom fixed intercommunication of buffer tube 126 has hose 125, the inside to water tank 101 is run through to the bottom of hose 125, one side fixed intercommunication of water tank 101 has inlet tube 114, the fixed intercommunication in top of water tank 101 has installation pipe 106, be provided with flowmeter main part 104 between the top of installation pipe 106 and the bottom of conveyer pipe 304.
As shown in fig. 1-5, two reinforcing blocks 306 are fixedly connected to the bottoms of two arc-shaped cooling bins 301, threaded sleeves 307 are fixedly connected to the outer surfaces of the two reinforcing blocks 306, threaded rods 309 are connected to the inner walls of the two threaded sleeves 307 in a threaded manner, one ends of the two threaded rods 309 respectively penetrate through the other two reinforcing blocks 306 to the outside in a sliding manner, adjusting handles 308 are welded to one ends of the two threaded rods 309, the adjusting handles 308 are rotated to enable the adjusting handles 308 to drive the threaded rods 309 to rotate in the threaded sleeves 307, the two threaded sleeves 307 and the two threaded rods 309 are mutually limited, position adjustment of the two arc-shaped cooling bins 301 is achieved, the distance between the two arc-shaped cooling bins 301 can be adjusted according to the volume of equipment to be cooled, and the two arc-shaped cooling bins 301 can be attached to the outside of the equipment to be cooled.
As shown in fig. 1-5, the outer surfaces of the two threaded sleeves 307 are movably sleeved with support clamping plates 6, the bottoms of the two support clamping plates 6 are welded with support frames 4, two reinforcing rods 5 are welded between the opposite sides of the two support frames 4, and the threaded sleeves 307 are clamped by the support clamping plates 6, so that the arc-shaped cooling bin 301 is supported by the support frames 4.
As shown in fig. 1-3, 7 and 8, the outer surface of one supporting frame 4 is welded with a mounting plate 103, a fixing plate 109 is welded on the outer surface of the mounting plate 103 near the top, a reinforcing inclined plate 108 is welded between the bottom of the fixing plate 109 and the outer surface of the mounting plate 103, a controller 107 is arranged on the top of the fixing plate 109, the mounting of the controller 107 can be completed through the mounting plate 103 and the fixing plate 109, and a triangular space is formed between the reinforcing inclined plate 108 and the mounting plate 103 and the fixing plate 109, so that stability is achieved.
As shown in fig. 1 to 3, 7 and 8, a bottom plate 110 is welded to one side of the fixing plate 109, a fixing frame 111 is welded to the outer surface of the bottom plate 110, a reinforcing block 112 is welded between the inner walls of the fixing frame 111, the installation of the water tank 101 can be completed through the bottom plate 110, a triangular space is formed between the reinforcing block 112 and the inner walls of the fixing frame 111, stability is achieved, and the installation of the liquid pump 113 can be achieved through the fixing frame 111.
As shown in fig. 1-3, 7 and 8, a liquid pump 113 is arranged at the top of the fixing frame 111, a water inlet of the liquid pump 113 is fixedly communicated with one end of a water inlet pipe 114 through a flange, a water outlet of the liquid pump 113 is fixedly communicated with one end of a water outlet pipe 303 through a flange, the water in the water tank 101 is pumped out by the water inlet pipe 114 through starting the liquid pump 113, and the water is conveyed into an arc-shaped cooling bin 301 connected with the water outlet pipe 303 under the pressurizing action of the liquid pump 113.
As shown in fig. 1-3, 7 and 8, the water tank 101 is disposed at the top of the bottom plate 110, the top of the water tank 101 is fixedly connected with a first liquid injection pipe 115, the top of the first liquid injection pipe 115 is in threaded connection with a first sealing cover 116, the top of the liquid tank 102 is fixedly connected with a second liquid injection pipe 118, the top of the second liquid injection pipe 118 is in threaded connection with a second sealing cover 117, the first liquid injection pipe 115 is covered by the first sealing cover 116 through injecting water into the first liquid injection pipe 115, and the second liquid injection pipe 118 is covered by the second sealing cover 117 through injecting glycol into the second liquid injection pipe 118.
As shown in fig. 1-3, fig. 7 and fig. 8, a positioning plate 123 is fixedly installed at the top of the water tank 101 near the liquid tank 102, a hydraulic rod 122 is arranged on the outer surface of the positioning plate 123, an extrusion block 124 is fixedly installed at one end of the hydraulic rod 122, sliding blocks 121 are fixed on two sides of the extrusion block 124, a U-shaped cavity 119 is fixedly connected to the top of the water tank 101, sliding holes 120 are formed in the opposite sides of the U-shaped cavity 119, the outer surface of the extrusion block 124 is slidably connected with the inner walls of the U-shaped cavity 119, the inner walls of the two sliding holes 120 are slidably connected with the outer surfaces of the two sliding blocks 121 respectively, the hydraulic rod 122 is controlled by the controller 107, and when the hydraulic rod 122 extends, the extrusion block 124 is driven to push forwards, so that the extrusion block 124 and the U-shaped cavity 119 press a hose 125 into an arc flat sheet shape, the liquid flow rate can be adjusted in the pushing process, and the extrusion block 124 can slide in the U-shaped cavity 119 stably through the sliding blocks 121.
As shown in fig. 1-3 and fig. 6, an air cooling assembly 2 is fixed on the outer surface of one support frame 4 near the bottom, the air cooling assembly 2 comprises an L-shaped plate 201, a backboard 203 is fixedly installed on one side of the L-shaped plate 201 near the top, a temperature sensor 202 is arranged on the outer surface of the backboard 203, a supporting plate 205 is fixedly connected to the top of the L-shaped plate 201, an arc plate 204 is fixedly connected between the bottom of the supporting plate 205 and the other side of the L-shaped plate 201, and when the temperature monitored by the temperature sensor 202 is high, the air cooling assembly 2 can be started to accelerate cooling, and the installation of the temperature sensor 202 can be realized by the L-shaped plate 201.
As shown in fig. 1-3 and fig. 6, a servo motor 206 is disposed at a position, close to one side, of the top of the supporting plate 205, a limiting block 207 is fixedly mounted at a position, close to the other side, of the top of the supporting plate 205, an i-shaped shaft 210 is fixedly mounted in the limiting block 207 in a rotating manner, an output shaft of the servo motor 206 is fixedly connected with one side of the i-shaped shaft 210, a rotating shaft 211 is mounted at the other side of the i-shaped shaft 210, a plurality of fan blades 212 are disposed on the outer surface of the rotating shaft 211, a reinforcing plate 209 is fixedly connected with a protective cover 208 on one side of the supporting plate 205, the output shaft of the servo motor 206 is enabled to drive the i-shaped shaft 210 to rotate in the limiting block 207 through starting the servo motor 206, the limiting block 207 has a supporting effect on the i-shaped shaft 210, the i-shaped shaft 210 can be prevented from tilting in the rotating process, and the i-shaped shaft 210 is connected with the rotating shaft 211, so that the rotating shaft 211 rotates along with the i-shaped shaft 210, wind is generated by rotating the fan blades 212 towards the position of the arc-shaped cooling bin 301, and cooling can be accelerated.
The application method and the working principle of the device are as follows: in use, firstly, the mounting plate 103, the fixing plate 109, the bottom plate 110 and the fixing frame 111 form an integral mounting frame body as shown in fig. 7, the controller 107, the liquid pump 113 and the water tank 101 can be mounted, then the hydraulic equipment of the excavating loader to be cooled is arranged between the two arc-shaped cooling cabins 301, the two arc-shaped cooling cabins 301 are symmetrically arranged, the arc-shaped cooling cabins 301 are supported by the support frame 4 by using the support clamping plate 6 to clamp the threaded sleeves 307, the distance between the two arc-shaped cooling cabins 301 can be adjusted according to the volume of the equipment to be cooled, the two arc-shaped cooling cabins 301 can be attached to the outside of the equipment to be cooled, during adjustment, the adjusting handle 308 is rotated, the adjusting handle 308 drives the threaded rod 309 to rotate in the threaded sleeve 307, the two threaded sleeves 307 and the two threaded rods 309 are mutually limited, realizing the position adjustment of the two arc-shaped cooling cabins 301, wherein the temperature sensor 202, the flowmeter main body 104, the liquid pump 113 and the hydraulic rod 122 are electrically connected with the controller 107 and are electrically connected with an external power supply, the temperature sensor 202 monitors the temperature rise of a hydraulic system, the temperature rise signal is transmitted to the controller 107, the controller 107 controls the liquid pump 113 to start after receiving the signal, the water inlet pipe 114 pumps out the water in the water tank 101, the water is transmitted from the water outlet pipe 303 to the arc-shaped cooling cabins 301 connected with the water pump 113 under the pressurizing action of the liquid pump 113, the water pumped out from the water tank 101 is rapidly transmitted to the two arc-shaped cooling cabins 301 under the communication of a plurality of flow pipes 305, after the two arc-shaped cooling cabins 301 are filled with water, the water flows back to the water tank 101 from the conveying pipe 304, and the heat between the two arc-shaped cooling cabins 301 can be taken away when the water circularly flows, the plurality of heat conducting fins 302 are made of metal copper, so that heat is more favorably absorbed to the surface of the arc-shaped cooling bin 301, the effect of cooling is achieved along with continuous circulation of water, at the moment, when water flows back to the water tank 101 from the conveying pipe 304, the water flows through the flowmeter main body 104, the flowmeter main body 104 judges the current water circulation speed, the controller 107 is set in advance, when the temperature detected by the temperature sensor 202 is higher, the controller 107 controls the rotating speed of the liquid pump 113 to be faster, otherwise, the rotating speed of the liquid pump 113 is slower, meanwhile, by starting the servo motor 206, the output shaft of the servo motor 206 is enabled to drive the I-shaped shaft 210 to rotate in the limiting block 207, the limiting block 207 supports the I-shaped shaft 210, the I-shaped shaft 210 can be prevented from tilting in the rotating process, and the I-shaped shaft 210 is connected with the rotating shaft 211, so that the rotating shaft 211 rotates along with the i-shaped shaft 210, and the fan blades 212 rotate to generate wind, the wind blows to the position of the arc-shaped cooling bin 301, so that the cooling can be accelerated, in addition, when the temperature sensor 202 monitors that the cooling effect of the water cooling component 3 matched with the air cooling component 2 is still poor, the controller 107 controls the starting hydraulic rod 122, when the hydraulic rod 122 stretches, the extrusion block 124 is driven to push forward, so that the extrusion block 124 and the U-shaped cavity 119 press the hose 125 into an arc-shaped flat sheet shape, the liquid flow rate can be adjusted in the pushing process, the liquid tank 102 is filled with ethylene glycol, the ethylene glycol is in a liquid state, and flows into the buffer tube 126 through the connecting tube 127, the ethylene glycol slowly flows into the water tank 101 through the hose 125, and an ethylene glycol aqueous solution is formed when the ethylene glycol and the water are mixed, the glycol aqueous solution has a lower freezing point and a higher boiling point, and can quickly reduce the temperature of an object at a lower temperature, at this time, the liquid flowing in the pipeline of the water cooling assembly 3 is the glycol aqueous solution with better cooling effect, so that the double cooling device has better effect when cooling the hydraulic system of the backhoe loader;
the flow meter main body 104 is an instrument for measuring fluid flow, and its structural components generally include a fluid inlet, a fluid outlet, a fluid channel, a sensor, a display device and the like, and a turbine flow meter is generally used as an example, and its working principle is that fluid enters the fluid channel through the fluid inlet, the flow of the fluid causes a rotor with an impeller to start rotating, the sensor detects the rotating speed of the rotor and converts the rotating speed into an electric signal, the electric signal is processed and displayed by the display device to represent the flow of the fluid, in addition, the temperature sensor 202 is a device for measuring the temperature of an object, and its structural components generally include a temperature sensing element, a signal processing circuit, an output device and the like, and the common temperature sensor 202 has a thermistor, and its working principle is that the thermistor is an element whose resistance changes with the change of temperature, when the temperature changes, the resistance value of the thermistor also changes correspondingly, the signal processing circuit converts the resistance value of the thermistor into an electric signal related to the temperature, and the electric signal is processed and displayed by the output device to represent the temperature of the object.
The wiring diagrams of the flowmeter body 104, the controller 107, the liquid pump 113, the hydraulic rod 122, the temperature sensor 202 and the servo motor 206 in the present invention are common knowledge in the art, the working principle thereof is a known technology, and the model thereof is selected to be an appropriate model according to actual use, so that the control manner and wiring arrangement of the flowmeter body 104, the controller 107, the liquid pump 113, the hydraulic rod 122, the temperature sensor 202 and the servo motor 206 are not explained in detail.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (3)
1. A dual cooling device for a hydraulic system of an excavating loader comprising:
the water cooling assembly (3), the water cooling assembly (3) comprises two arc cooling bins (301), a plurality of heat conduction fins (302) are fixedly connected to the outer surfaces of two sides of each arc cooling bin (301), a plurality of flow pipes (305) are fixedly communicated between the bottoms of the two arc cooling bins (301), a water outlet pipe (303) is fixedly communicated with the top of one arc cooling bin (301), a conveying pipe (304) is fixedly communicated with the top of the other arc cooling bin (301), two reinforcing blocks (306) are fixedly connected to the bottoms of the two arc cooling bins (301), threaded sleeves (307) are fixedly connected to the outer surfaces of the two reinforcing blocks (306), threaded rods (309) are fixedly connected to the inner walls of the two threaded sleeves (307), one ends of the two threaded rods (309) respectively penetrate through the other two reinforcing blocks (306) to the outside in a sliding mode, and one ends of the two threaded rods (309) are welded with adjusting handles (308);
the supporting clamping plate (6) is used for clamping the threaded sleeve (307), so that the arc-shaped cooling bins (301) are supported by the supporting frame (4), the distance between the two arc-shaped cooling bins (301) can be adjusted according to the volume of equipment to be cooled, the two arc-shaped cooling bins (301) can be attached to the outside of the equipment to be cooled, and when the equipment is adjusted, the adjusting handle (308) is rotated, the adjusting handle (308) drives the threaded rod (309) to rotate in the threaded sleeve (307), and the two threaded sleeve (307) and the two threaded rod (309) are mutually limited, so that the position adjustment of the two arc-shaped cooling bins (301) is realized;
cooling component (1), cooling component (1) is including water tank (101), the top fixed mounting of water tank (101) has a plurality of bracing pieces (105), a plurality of fixedly connected with fluid reservoir (102) between the top of bracing piece (105), the fixed intercommunication in bottom center department of fluid reservoir (102) has installation cover (128), connecting pipe (127) are installed to the inner wall of installation cover (128), the bottom fixed intercommunication of connecting pipe (127) has buffer tube (126), the bottom fixed intercommunication of buffer tube (126) has hose (125), the bottom of hose (125) runs through to the inside of water tank (101), one side fixed intercommunication of water tank (101) has inlet tube (114), the fixed intercommunication in top of water tank (101) has mounting tube (106), be provided with flowmeter main part (104) between the bottom of mounting tube (106) and conveyer pipe (304), two the surface of screw sleeve (307) all movable sleeve is equipped with support cardboard (6), two support frame (4) are all welded to the bottom of support cardboard (6), two support frame (4) have one of them support frame (103) to weld between two support frame (4) have surface (103) relatively, the utility model discloses a water tank, including mounting panel (103), fixed plate (109) are welded near top department to the surface of mounting panel (103), the welding has reinforcing sloping plate (108) between the surface of the bottom of fixed plate (109) and mounting panel (103), the top of fixed plate (109) is provided with controller (107), one side welding of fixed plate (109) has bottom plate (110), the surface welding of bottom plate (110) has mount (111), the welding has reinforcing block (112) between the inner wall of mount (111), the top of mount (111) is provided with liquid pump (113), the water inlet of liquid pump (113) is fixed through the ring flange with the one end of inlet tube (114), the delivery port of liquid pump (113) is fixed through the ring flange with the one end of outlet pipe (303), water tank (101) set up at the top of bottom plate (110), the top of water tank (101) is fixed through having first notes liquid pipe (115), the top threaded connection of first sealed lid (116) of first notes liquid pipe (115), the top of liquid tank (102) is fixed through second notes liquid pipe (118), the top of second notes liquid pipe (118) is fixed through the ring flange (118), the top of second notes liquid pipe (118) is fixed through the top (118), the outer surface of the positioning plate (123) is provided with a hydraulic rod (122), one end of the hydraulic rod (122) is fixedly provided with a squeezing block (124), two sides of the squeezing block (124) are fixedly provided with sliding blocks (121), the top of the water tank (101) is fixedly connected with a U-shaped cavity (119), sliding holes (120) are formed in the opposite sides of the U-shaped cavity (119), the outer surface of the squeezing block (124) is in sliding connection with the inner walls of the U-shaped cavity (119), and the inner walls of the two sliding holes (120) are respectively in sliding connection with the outer surfaces of the two sliding blocks (121);
after the controller (107) receives signals, the liquid pump (113) is controlled to be started, the water in the water tank (101) is pumped out by the water inlet pipe (114), the water is conveyed from the water outlet pipe (303) to the arc cooling bin (301) connected with the water pump (113) under the pressurizing action of the liquid pump, the water pumped out from the water tank (101) can be quickly conveyed to the two arc cooling bins (301) under the communication of the plurality of flow pipes (305), after the two arc cooling bins (301) are filled with water, the water flows back to the water tank (101) from the conveying pipe (304), heat between the two arc cooling bins (301) can be taken away when the water circularly flows, the plurality of heat conducting fins (302) are made of metal copper, the heat is absorbed to the surface of the arc cooling bins (301) more favorably, the effect of cooling and cooling can be achieved along with the continuous circulation of the water, at the moment, the water flows back to the water tank (101) from the conveying pipe (304) through the flowmeter main body (104), and the flowmeter main body (104) judges the current water circulation speed.
2. The dual cooling device of an excavating loader hydraulic system according to claim 1 wherein: one of them the surface of support frame (4) is close to bottom department and is fixed with forced air cooling subassembly (2), forced air cooling subassembly (2) are including L template (201), one side of L template (201) is close to top department fixed mounting has backplate (203), the surface of backplate (203) is provided with temperature sensor (202), the top fixedly connected with layer board (205) of L template (201), fixedly connected with arc (204) between the opposite side of the bottom of layer board (205) and L template (201).
3. The dual cooling device of an excavating loader hydraulic system according to claim 2 wherein: the utility model discloses a motor support structure, including support plate (205), servo motor (206) are provided with in the top of support plate (205) near one side department, the top of support plate (205) is close to opposite side department fixed mounting and has stopper (207), the inside rotation of stopper (207) is inlayed and is equipped with I-shaped axle (210), the output shaft of servo motor (206) is fixedly connected with one side of I-shaped axle (210), pivot (211) are installed to the opposite side of I-shaped axle (210), the surface of pivot (211) is provided with a plurality of flabellum (212), one side of support plate (205) is fixed with gusset plate (209), the surface fixedly connected with protection casing (208) of gusset plate (209).
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| CN202311263739.7A CN117307565B (en) | 2023-09-27 | 2023-09-27 | Double-cooling device of hydraulic system of backhoe loader |
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| US8978992B2 (en) * | 2009-09-14 | 2015-03-17 | Jiffy-Tite Company, Inc. | Cooler bypass apparatus and installation kit |
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| CN1820149A (en) * | 2003-07-10 | 2006-08-16 | Hydac系统有限公司 | Liquid cooling device |
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| CN117307565A (en) | 2023-12-29 |
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