CN114014225B - Hydraulic system of overhead working truck - Google Patents
Hydraulic system of overhead working truck Download PDFInfo
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- CN114014225B CN114014225B CN202111212609.1A CN202111212609A CN114014225B CN 114014225 B CN114014225 B CN 114014225B CN 202111212609 A CN202111212609 A CN 202111212609A CN 114014225 B CN114014225 B CN 114014225B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
- B66F11/046—Working platforms suspended from booms of the telescoping type
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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
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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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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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
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- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to the technical field of high-altitude operation equipment, and discloses a hydraulic system of a high-altitude operation vehicle, which solves the problem of shortened service life caused by the fact that a hydraulic device of the high-altitude operation vehicle is not provided with cooling and filtering operations; through the effect of filter, the effectual impurity to the oil inside filters, and then has improved the cleanliness of oil, brings the convenience for the work of master cylinder and insulating hydraulic stem, the effectual life who prolongs master cylinder and insulating hydraulic stem.
Description
Technical Field
The invention belongs to the technical field of overhead working equipment, and particularly relates to a hydraulic system of an overhead working truck.
Background
The overhead working truck has a wide application range, and in general, the overhead working truck comprises a boom arranged on a truck body and a working bucket or a working device arranged at the tail end of the boom, and a worker enters the working bucket and sends the working bucket and the worker or the working device to a high place through the boom to perform overhead working.
However, the hydraulic device of the existing overhead working truck cannot cool and filter hot oil generated in working, so that the hydraulic device of the overhead working truck is damaged, and the service life of the overhead working truck is shortened.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a hydraulic system of an overhead working truck, which effectively solves the problem of shortened service life caused by the fact that a hydraulic device of the overhead working truck in the background art is not provided with cooling and filtering operations.
In order to achieve the above purpose, the present invention provides the following technical solutions: the hydraulic system of the overhead working truck comprises a working truck body, wherein a supporting frame is arranged at the top end of the working truck body, a main hydraulic cylinder is movably connected to the top end of the supporting frame, an output shaft of the main hydraulic cylinder is connected with a telescopic rod, one end of the telescopic rod is connected with a joint, one side of the joint is movably connected with a connecting bracket, one end of the connecting bracket is provided with an insulating hydraulic rod, one end of the insulating hydraulic rod is connected with a mounting frame, a hanging basket is mounted on the mounting frame, the top ends of the mounting frame and the working truck body are respectively provided with an oil tank, a filtering and cooling mechanism is arranged at the top end of the oil tank, a connecting seat is arranged at the bottom end of the main hydraulic cylinder, and the supporting frame is connected with the connecting seat through an electric telescopic rod;
the filtering and cooling mechanism comprises a cooling box and a water tank positioned on one side of the cooling box, the cooling box is connected with the water tank through a water outlet pipe and a water inlet pipe, the water outlet pipe is positioned above the water inlet pipe, an oil inlet pipe is arranged on the top end of the cooling box, an oil outlet pipe is arranged at the bottom end of the cooling box, a filter is connected to the bottom end of the oil outlet pipe, the oil inlet pipe is connected with the oil outlet pipe through the cooling pipe, an air cooler is arranged above the cooling pipe, a sleeve pipe sleeved outside the oil inlet pipe is arranged on the top end of the cooling box, a sleeve pipe is connected with the outer wall of the cooling pipe through a mounting seat, a sleeve ring is sleeved outside the sleeve pipe, a motor I is arranged on the top end of the cooling box, a gear II is sleeved on an output shaft of the motor I, and a gear I is meshed with the gear I connected with the gear II.
Preferably, the outer wall of the cooling pipe is provided with a stirring shaft, and stirring blades are sleeved outside the stirring shaft.
Preferably, the outside symmetry of sleeve pipe is equipped with the slide, and the spout with slide sliding connection is seted up to the inner wall of lantern ring.
Preferably, the air cooler comprises a supporting plate, a second motor, a rotating shaft, belt pulleys, a conveyor belt and fan blades, wherein the supporting plate is sleeved outside the lantern ring, the second motor is arranged at the top end of the supporting plate, the rotating shaft is symmetrically arranged at the two sides of the bottom end of the supporting plate, the top end of one rotating shaft is connected with the output shaft of the second motor, the belt pulleys and the fan blades are sleeved on the two rotating shafts, and the two belt pulleys are connected through the conveyor belt.
Preferably, the filter includes filter tube, filter seat, opening, filter screen, draw-in groove, cassette and fixer, and the filter tube is installed in the bottom of play oil pipe, and the internally mounted of filter tube has the filter seat, and the opening has been seted up to the intermediate position of filter seat, and the filter screen is all installed to the both sides of filter seat, and the both sides symmetry of filter seat is equipped with the cassette, and the draw-in groove with cassette sliding connection has been seted up to the inner wall of filter tube, and is connected through the fixer between cassette and the filter tube.
Preferably, the fixer comprises a holding groove I, a moving rod, a holding groove II, a holding groove, a clamping rod, a clamping groove, a spring and a driver, wherein the holding groove I is arranged in the clamping seat, the moving rod is inserted in the holding groove I, the holding groove II is arranged in the moving rod, the holding groove is arranged on one side of the top end of the moving rod, the clamping groove is arranged on the inner wall of the filter tube, the clamping rod is inserted in the holding groove, the clamping rod is clamped with the clamping groove, the bottom end of the clamping rod is connected with the inner wall of the holding groove through the spring, and the driver is arranged in the holding groove II.
Preferably, the driver comprises a push rod, a rotating rod, a first conical gear, a movable groove, a rotating rod and a second conical gear, wherein the push rod is arranged in the second accommodating groove, the rotating rod is movably connected to the push rod, one end of the rotating rod is connected with the first conical gear, the movable groove is formed in the inner wall of the filter tube, the rotating rod is connected to the filter tube, the bottom end of the rotating rod extends to the inside of the movable groove, and the second conical gear meshed with the first conical gear is arranged at the bottom end of the rotating rod.
Preferably, one end of the push rod is symmetrically provided with a sliding block, and sliding grooves connected with the sliding block are formed in two sides of the inner wall of the second accommodating groove.
Preferably, the push rod is connected with the rotating rod through threads, and the rotating rod is connected with the filter pipe through threads, and the cross section of the rotating rod is of a T-shaped structure.
Preferably, the diameter of the movable groove is 2 cm larger than that of the second bevel gear.
Compared with the prior art, the invention has the beneficial effects that:
(1) In operation, through being provided with the cooling tank, the water outlet pipe, the water inlet pipe, the oil outlet pipe and the cooling pipe, the flow of cooling water is convenient to achieve, the convenience is brought to the water cooling of hot oil, the rotation of the air cooling machine and the cooling pipe is convenient to achieve through the functions of the air cooling machine sleeve, the mounting seat, the first gear, the first motor and the second gear, the stirring of the cooling water is achieved, the situation that the water temperature of the cooling water is uneven is avoided, the air cooling machine is matched with the functions of revolution and autorotation of the air cooling machine around the lantern ring, the hot oil air cooling operation is achieved, the cooling speed of the hot oil is effectively accelerated, meanwhile, impurities in the oil are effectively filtered through the function of the filter, the cleanliness of the oil is further improved, the convenience is brought to the operation of the main hydraulic cylinder and the insulating oil pressure rod, and the service life of the main hydraulic cylinder and the insulating oil pressure rod is effectively prolonged;
(2) Through backup pad, motor two, pivot, belt pulley, conveyer belt and flabellum, be convenient for make the flabellum rotation, realize the forced air cooling to hot oil, the rotation of cooperation lantern ring simultaneously makes the flabellum revolve around the lantern ring, has effectually accelerated the water-cooling rate to hot oil.
(3) Through the design of filter tube, filter seat, opening, filter screen, draw-in groove, cassette and fixer, be convenient for realize the fixed mounting to the filter screen, adopt dual filtration's mode, improved the cleanliness factor of oil.
(4) The filter screen is connected with the filter seat by a worker, the second conical gear is moved to the inside of the movable groove, the filter seat is arranged in the filter pipe through the connection relation of the clamping groove and the clamping seat, the rotary rod is rotated, the rotary rod drives the second conical gear to move downwards, the second conical gear is meshed with the first conical gear, the conical gear drives the rotary rod to rotate, the push rod is moved through the connection of the sliding block and the sliding groove, the push rod pushes the movable rod to move, when the storage groove moves to the longitudinal straight line of the clamping groove, the clamping rod is moved to the inside of the clamping groove through the reverse acting force of the spring, the fixation of the movable rod is realized, the installation of the filter screen is further completed, hot oil generated by work enters the oil inlet pipe and then enters the cooling pipe, the worker starts the external water pump to enable cooling water in the water tank to enter the cooling tank through the water inlet pipe, realize the water cooling of the hot oil, the condition that the temperature of the cooling water is uneven can be caused, the motor I is started, the motor I realizes the rotation of the lantern ring through the connection relation between the gear II and the gear I, and the connection between the chute and the sliding plate, the sleeve drives the cooling pipe to rotate through the mounting seat, and further the stirring of the cooling water is realized, meanwhile, the stirring shaft and the stirring blade stir the water, the temperature of the cooling water is uniform, the lantern ring drives the supporting plate to rotate, the air cooler revolves, meanwhile, the motor II drives the rotating shaft to rotate, the fan blade rotates through the connection of the conveying belt, the fan blade rotates around the lantern ring, the air cooling of the hot oil is realized, the cooling speed of the hot oil is effectively accelerated, the hot oil enters the filter pipe through the sliding plate after being cooled, and the oil is subjected to the double filtration of the filter screen, the oil is filtered, and the oil dryness is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a filtering cooling mechanism according to the present invention;
FIG. 3 is a schematic diagram of an air cooler according to the present invention;
FIG. 4 is a schematic view showing the internal structure of the filter according to the present invention;
FIG. 5 is an enlarged schematic view of FIG. 4 at center A in accordance with the present invention;
FIG. 6 is a schematic view of a rotary rod according to the present invention;
in the figure: 1. a work vehicle body; 2. a support frame; 3. a master hydraulic cylinder; 4. a telescopic rod; 5. a joint; 6. a connecting bracket; 7. an insulating oil hydraulic rod; 8. a mounting frame; 9. a hanging basket; 10. an oil tank; 11. a connecting seat; 12. an electric telescopic rod; 13. a filtering and cooling mechanism; 14. a cooling box; 15. a water tank; 16. a water outlet pipe; 17. a water inlet pipe; 18. an oil inlet pipe; 19. an oil outlet pipe; 20. a filter; 201. a filter tube; 202. a filter base; 203. a through port; 204. a filter screen; 205. a clamping groove; 206. a clamping seat; 21. a cooling tube; 22. an air cooling machine; 221. a support plate; 222. a second motor; 223. a rotating shaft; 224. a belt pulley; 225. a conveyor belt; 226. a fan blade; 23. a sleeve; 24. a mounting base; 25. a first gear; 26. a first motor; 27. a second gear; 28. a chute; 29. a slide plate; 30. a holder; 301. an accommodating groove I; 302. a moving rod; 303. a second accommodating groove; 304. a storage groove; 305. a clamping rod; 306. a clamping groove; 307. a spring; 308. a driver; 309. a push rod; 3010. a rotating lever; 3011. a first conical gear; 3012. a movable groove; 3013. a rotating rod; 3014. and a second bevel gear.
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.
The first embodiment is given by fig. 1 to 6, the invention comprises a working vehicle body 1, the top end of the working vehicle body 1 is provided with a support frame 2, the top end of the support frame 2 is movably connected with a main hydraulic cylinder 3, the output shaft of the main hydraulic cylinder 3 is connected with a telescopic rod 4, one end of the telescopic rod 4 is connected with a joint 5, one side of the joint 5 is movably connected with a connecting bracket 6, one end of the connecting bracket 6 is provided with an insulating hydraulic rod 7, one end of the insulating hydraulic rod 7 is connected with a mounting bracket 8, a hanging basket 9 is arranged on the mounting bracket 8, the working of workers is facilitated by the design of the hanging basket 9, the top ends of the mounting bracket 8 and the working vehicle body 1 are both provided with an oil tank 10, the top end of the oil tank 10 is provided with a filtering and cooling mechanism 13, the service life of the main hydraulic cylinder 3 and the insulating hydraulic rod 7 is effectively prolonged by the design of the filtering and cooling mechanism 13, the bottom end of the main hydraulic cylinder 3 is provided with a connecting seat 11, the support frame 2 is connected with the connecting seat 11 through an electric telescopic rod 12, and the change of the inclination angle of the main hydraulic cylinder 3 is facilitated by the design of the electric telescopic rod 12;
the filtering and cooling mechanism 13 comprises a cooling box 14 and a water tank 15 positioned on one side of the cooling box 14, the cooling box 14 is connected with the water tank 15 through a water outlet pipe 16 and a water inlet pipe 17, the water outlet pipe 16 is positioned above the water inlet pipe 17, an oil inlet pipe 18 is arranged at the top end of the cooling box 14, an oil outlet pipe 19 is arranged at the bottom end of the cooling box 14, a filter 20 is connected at the bottom end of the oil outlet pipe 19, the oil inlet pipe 18 is connected with the oil outlet pipe 19 through a cooling pipe 21, an air cooler 22 is arranged above the cooling pipe 21, a sleeve 23 sleeved outside the oil inlet pipe 18 is arranged at the top end of the cooling box 14, the bottom end of the sleeve 23 is connected with the outer wall of the cooling pipe 21 through a mounting seat 24, a lantern ring is sleeved outside the sleeve 23, a motor I26 is arranged at the top end of the cooling box 14, a gear II 27 is sleeved on an output shaft of the motor I26, a gear I25 meshed with the gear II 27 is sleeved outside the lantern ring, through the design of the filtering and cooling mechanism 13, the hydraulic oil is effectively cooled and filtered, and the main hydraulic cylinder 3 and the insulating hydraulic rod 7 are effectively protected.
In the second embodiment, on the basis of the first embodiment, as shown in fig. 2, a stirring shaft is arranged on the outer wall of the cooling pipe 21, and stirring blades are sleeved on the outer portion of the stirring shaft, so that stirring of cooling water is realized, uneven temperature of the cooling water is avoided, and the cooling speed of oil is increased.
In the third embodiment, on the basis of the first embodiment, as shown in fig. 2 and 3, the outside of the sleeve 23 is symmetrically provided with a sliding plate 29, and the inner wall of the sleeve is provided with a sliding groove 28 slidably connected with the sliding plate 29, thereby protecting the sleeve 23.
Based on the third embodiment, as shown in fig. 2 and 3, the air cooler 22 includes a support plate 221, a second motor 222, a rotating shaft 223, a belt pulley 224, a conveyor belt 225 and a fan blade 226, the support plate 221 is sleeved outside the collar, the top end of the support plate 221 is provided with the second motor 222, the two sides of the bottom end of the support plate 221 are symmetrically provided with the rotating shaft 223, the top end of one of the rotating shafts 223 is connected with the output shaft of the second motor 222, the belt pulley 224 and the fan blade 226 are sleeved on the two rotating shafts 223, and the two belt pulleys 224 are connected through the conveyor belt 225, so that the air blowing operation is effectively realized, and the cooling speed of oil is further accelerated.
Based on the first embodiment, as shown in fig. 4 and 5, the filter 20 includes a filter tube 201, a filter seat 202, a through hole 203, a filter screen 204, a clamping groove 205, a clamping seat 206 and a fixer 30, the filter tube 201 is installed at the bottom end of the oil outlet tube 19, the filter seat 202 is installed in the filter tube 201, the through hole 203 is formed in the middle of the filter seat 202, the filter screens 204 are installed on two sides of the filter seat 202, the clamping seats 206 are symmetrically arranged on two sides of the filter seat 202, the clamping grooves 205 which are slidably connected with the clamping seats 206 are formed in the inner wall of the filter tube 201, the clamping seats 206 are connected with the filter tube 201 through the fixer 30, and oil is filtered, so that impurities in the oil are prevented from affecting the main hydraulic cylinder 3 and the insulating oil hydraulic rod 7.
In the sixth embodiment, based on the fifth embodiment, as shown in fig. 4 and 5, the fixer 30 includes a first accommodating groove 301, a moving rod 302, a second accommodating groove 303, a first accommodating groove 304, a clamping rod 305, a clamping groove 306, a spring 307 and a driver 308, the first accommodating groove 301 is opened inside the clamping seat 206, the moving rod 302 is inserted inside the first accommodating groove 301, the second accommodating groove 303 is opened inside the moving rod 302, the accommodating groove 304 is opened at one side of the top end of the moving rod 302, the clamping groove 306 is opened on the inner wall of the filter tube 201, the clamping rod 305 is inserted inside the accommodating groove 304 and clamped with the clamping groove 306, the bottom end of the clamping rod 305 is connected with the inner wall of the accommodating groove 304 through the spring 307, the driver 308 is arranged inside the second accommodating groove 303, so that the filter seat 202 is convenient to fix and detach, and convenience is brought to fixing and detaching the filter screen 204.
In a seventh embodiment, based on the sixth embodiment, as shown in fig. 4, 5 and 6, the driver 308 includes a push rod 309, a rotating rod 3010, a first conical gear 3011, a moving slot 3012, a rotating rod 3013 and a second conical gear 3014, where the push rod 309 is installed inside the second accommodation slot 303, the rotating rod 3010 is movably connected inside the push rod 309, one end of the rotating rod 3010 is connected with the first conical gear 3011, the inner wall of the filter tube 201 is provided with the moving slot 3012, the filter tube 201 is connected with the rotating rod 3013, the bottom end of the rotating rod 3013 extends to the inside of the moving slot 3012, and the bottom end of the rotating rod 3013 is provided with the second conical gear 3014 meshed with the first conical gear 3011, so as to provide power for the movement of the rotating rod 3010, and further provide conditions for fixing the filter base 202.
In the eighth embodiment, on the basis of the seventh embodiment, as shown in fig. 4 and 5, sliding blocks are symmetrically arranged at one end of the pushrod 309, and sliding grooves connected with the sliding blocks are formed on two sides of the inner wall of the second accommodation groove 303, so that convenience is brought to movement of the pushrod 309.
In the ninth embodiment, on the basis of the seventh embodiment, as shown in fig. 4, 5 and 6, the pushrod 309 is connected with the rotating rod 3010 and the rotating rod 3013 is connected with the filter tube 201 through threads, and the cross section of the rotating rod 3010 is in a T-shaped structure, so that the movement of the bevel gear two 3014 and the pushrod 309 can be conveniently controlled.
In the tenth embodiment, as shown in fig. 4 and 6, the diameter of the movable groove 3012 is 2 cm larger than that of the second bevel gear 3014, so that the second bevel gear 3014 can be conveniently stored.
Working principle: in operation, a worker connects the filter screen 204 with the filter base 202, moves the second conical gear 3014 into the movable slot 3012, installs the filter base 202 in the filter tube 201 by the connection relationship between the clamping slot 205 and the clamping seat 206, rotates the rotary rod 3013, drives the second conical gear 3014 to move downwards, and causes the second conical gear 3014 to mesh with the first conical gear 3011, then drives the first conical gear 3011 to rotate the rotary rod 3010, moves the push rod 309 by the connection of the sliding block and the sliding slot, then pushes the moving rod 302 to move by the push rod 309, when the accommodating slot 304 moves to the longitudinal straight line of the clamping slot 306, moves the clamping rod 305 into the clamping slot 306 by the reverse force of the spring 307, realizes the fixation of the moving rod 302, further completes the installation of the filter screen 204, and then causes hot oil generated in operation to enter the oil inlet tube 18, then enters the cooling pipe 21, a worker starts an external water pump to enable cooling water in the water tank 15 to enter the cooling tank 14 through the water inlet pipe 17, water cooling of hot oil is achieved, uneven temperature of the cooling water can occur, the first motor 26 is started, the first motor 26 is connected with the first gear 25 through the second gear 27, rotation of the lantern ring is achieved, the sleeve 23 is connected with the sliding plate 29 through the sliding groove 28, the cooling pipe 21 is driven to rotate through the mounting seat 24, stirring of the cooling water is achieved, meanwhile, stirring shafts and stirring blades stir the water, uniform water temperature of the cooling water is achieved, the lantern ring drives the supporting plate 221 to rotate, the air cooler 22 revolves, the second motor 222 is started, the rotating shaft 223 is driven to rotate, rotation of the fan blade 226 is achieved through connection of the conveying belt 225, meanwhile, the fan blade 226 revolves around the lantern ring, air cooling of the hot oil is achieved, the cooling speed of the hot oil is effectively accelerated, the hot oil enters the filter pipe 201 through the sliding plate 29 after being cooled, and the oil is subjected to double filtration through the filter screen 204, so that the oil is filtered, and the dryness of the oil is improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Hydraulic system of overhead working truck, including working truck body (1), its characterized in that: the hydraulic control device is characterized in that a supporting frame (2) is arranged at the top end of the working vehicle body (1), a main hydraulic cylinder (3) is movably connected to the top end of the supporting frame (2), a telescopic rod (4) is connected to an output shaft of the main hydraulic cylinder (3), a joint (5) is connected to one end of the telescopic rod (4), a connecting support (6) is movably connected to one side of the joint (5), an insulating hydraulic rod (7) is arranged at one end of the connecting support (6), an installation frame (8) is connected to one end of the insulating hydraulic rod (7), a hanging basket (9) is installed on the installation frame (8), an oil tank (10) is arranged at the top ends of the installation frame (8) and the working vehicle body (1), a filtering and cooling mechanism (13) is arranged at the top end of the oil tank (10), a connecting seat (11) is arranged at the bottom end of the main hydraulic cylinder (3), and the supporting frame (2) is connected with the connecting seat (11) through an electric telescopic rod (12);
the filtering and cooling mechanism (13) comprises a cooling box (14) and a water tank (15) positioned at one side of the cooling box (14), the cooling box (14) is connected with the water tank (15) through a water outlet pipe (16) and a water inlet pipe (17), the water outlet pipe (16) is positioned above the water inlet pipe (17), an oil inlet pipe (18) is arranged at the top end of the cooling box (14), an oil outlet pipe (19) is arranged at the bottom end of the cooling box (14), a filter (20) is connected at the bottom end of the oil outlet pipe (19), the oil inlet pipe (18) is connected with the oil outlet pipe (19) through a cooling pipe (21), an air cooling machine (22) is arranged above the cooling pipe (21), a sleeve (23) sleeved outside the oil inlet pipe (18) is arranged at the top end of the sleeve (23) and is connected with the outer wall of the cooling pipe (21) through a mounting seat (24), a first motor (26) is sleeved at the top end of the cooling box (14), a second gear (27) is sleeved on the output shaft of the first motor (26), and a first gear (25) meshed with the second gear (27) is sleeved outside the sleeve;
the air cooler (22) comprises a supporting plate (221), a motor two (222), a rotating shaft (223), belt pulleys (224), a conveyor belt (225) and fan blades (226), wherein the supporting plate (221) is sleeved outside the lantern ring, the motor two (222) is arranged at the top end of the supporting plate (221), the rotating shaft (223) is symmetrically arranged at the two sides of the bottom end of the supporting plate (221), the top end of one rotating shaft (223) is connected with the output shaft of the motor two (222), the belt pulleys (224) and the fan blades (226) are sleeved on the two rotating shafts (223), and the two belt pulleys (224) are connected through the conveyor belt (225).
2. A hydraulic system for an overhead working truck according to claim 1 wherein: the outer wall of the cooling pipe (21) is provided with a stirring shaft, and stirring blades are sleeved outside the stirring shaft.
3. A hydraulic system for an overhead working truck according to claim 1 wherein: the outside symmetry of sleeve pipe (23) is equipped with slide (29), and spout (28) with slide (29) sliding connection are seted up to the inner wall of lantern ring.
4. A hydraulic system for an overhead working truck according to claim 1 wherein: filter (20) are including filter tube (201), filter seat (202), opening (203), filter screen (204), draw-in groove (205), cassette (206) and fixer (30), filter tube (201) are installed in the bottom of play oil pipe (19), filter seat (202) are installed to internally mounted of filter tube (201), opening (203) have been seted up to the intermediate position of filter seat (202), and filter seat (202) both sides all install filter screen (204), filter seat (202) bilateral symmetry is equipped with cassette (206), and filter tube (201)'s inner wall seted up with cassette (206) sliding connection's draw-in groove (205), and be connected through fixer (30) between cassette (206) and filter tube (201).
5. A hydraulic system for an overhead working truck according to claim 4 wherein: the fixer (30) comprises a first accommodating groove (301), a moving rod (302), a second accommodating groove (303), an accommodating groove (304), a clamping rod (305), a clamping groove (306), a spring (307) and a driver (308), wherein the first accommodating groove (301) is arranged inside the clamping seat (206), the moving rod (302) is inserted into the first accommodating groove (301), the second accommodating groove (303) is arranged inside the moving rod (302), the accommodating groove (304) is arranged on one side of the top end of the moving rod (302), the clamping groove (306) is arranged on the inner wall of the filter tube (201), the clamping rod (305) clamped with the clamping groove (306) is inserted into the accommodating groove (304), the bottom end of the clamping rod (305) is connected with the inner wall of the accommodating groove (304) through the spring (307), and the driver (308) is arranged inside the accommodating groove (303).
6. A hydraulic system for an overhead working truck according to claim 5 wherein: the driver (308) comprises a push rod (309), a rotating rod (3010), a first conical gear (3011), a movable groove (3012), a rotating rod (3013) and a second conical gear (3014), wherein the push rod (309) is arranged in the second containing groove (303), the rotating rod (3010) is movably connected to the inside of the push rod (309), one end of the rotating rod (3010) is connected with the first conical gear (3011), the movable groove (3012) is formed in the inner wall of the filter tube (201), the rotating rod (3013) is connected to the filter tube (201), the bottom end of the rotating rod (3013) extends to the inside of the movable groove (3012), and the bottom end of the rotating rod (3013) is provided with the second conical gear (3014) meshed with the first conical gear (3011).
7. The hydraulic system of an overhead working truck according to claim 6, wherein: one end of the push rod (309) is symmetrically provided with sliding blocks, and sliding grooves connected with the sliding blocks are formed in two sides of the inner wall of the second accommodating groove (303).
8. A hydraulic system for an overhead working truck according to claim 7 wherein: the push rod (309) is connected with the rotary rod (3010) and the rotary rod (3013) is connected with the filter pipe (201) through threads, and the cross section of the rotary rod (3010) is of a T-shaped structure.
9. The hydraulic system of an overhead working truck according to claim 6, wherein: the diameter of the movable groove (3012) is 2 cm larger than that of the conical gear II (3014).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111212609.1A CN114014225B (en) | 2021-10-19 | 2021-10-19 | Hydraulic system of overhead working truck |
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| CN202111212609.1A CN114014225B (en) | 2021-10-19 | 2021-10-19 | Hydraulic system of overhead working truck |
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| CN203926231U (en) * | 2014-06-06 | 2014-11-05 | 上海匡信自动化设备有限公司 | A kind of cooling system and use the forced air cooler of this cooling system |
| CN207180418U (en) * | 2017-09-01 | 2018-04-03 | 泰兴市志诚润滑设备制造厂 | One kind automatically adjusts oil cooler |
| CN213511420U (en) * | 2020-10-26 | 2021-06-22 | 常州市常青车厢制造有限公司 | Engineering machinery oil tank with heat dissipation function |
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