CN116279941B - Manual self-discharging engineering truck - Google Patents
Manual self-discharging engineering truck Download PDFInfo
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- CN116279941B CN116279941B CN202310385097.1A CN202310385097A CN116279941B CN 116279941 B CN116279941 B CN 116279941B CN 202310385097 A CN202310385097 A CN 202310385097A CN 116279941 B CN116279941 B CN 116279941B
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- cylinder
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- 238000007599 discharging Methods 0.000 title claims abstract description 15
- 238000005452 bending Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 35
- 230000003139 buffering effect Effects 0.000 description 5
- 108010066114 cabin-2 Proteins 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K7/00—Freight- or passenger-carrying cycles
- B62K7/02—Frames
- B62K7/04—Frames having a carrying platform
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
- B60P1/16—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms
- B60P1/162—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms the hydraulic system itself
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
- B60P1/16—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms
- B60P1/20—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms with toothed gears, wheels, or sectors; with links, cams and rollers, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
- B60P1/26—Means for controlling movement of tailboards or sideboards
- B60P1/273—Providing interdependence between tipping movement and the latching or unlatching of a freely-swingable tailboard or sideboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
- B60P1/28—Tipping body constructions
- B60P1/283—Elements of tipping devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a manual self-discharging engineering truck, and belongs to the technical field of electric vehicles. Comprises a frame and a carriage arranged on the frame; the middle part of the carriage is hinged with the frame, and the rear end of the frame is provided with a bending beam for limiting the carriage; the carriage is connected with a buffer mechanism; the buffer mechanism comprises an arc push rod fixed on the lower side surface of the rear part of the carriage, and the arc push rod is bent towards the front part of the carriage; the bottom of the frame is provided with a sliding rod in a sliding manner, the rear end of the sliding rod is connected with the arc-shaped push rod in a sliding manner, and the front end of the sliding rod is fixedly connected with a buffer oil cylinder; the buffer oil cylinder is fixedly connected with the frame. The carriage is connected with the buffer oil cylinder, and the rotation of the carriage can be buffered at the beginning stage and the stroke end of the overturning and unloading of the carriage, so that the problem that the carriage suddenly warps at the beginning and collides with the bending beam at the end is solved, the risk of the vehicle tipping caused by the rapid rotation and collision of the carriage is avoided, and the working safety of the vehicle is improved.
Description
Technical Field
The invention relates to the technical field of electric vehicles, in particular to a manual self-discharging engineering vehicle.
Background
Dump trucks are vehicles, also known as dump trucks, that self-unload cargo by hydraulically or mechanically lifting the cargo bed. For some small and medium-sized dumpers, a self-fuel device is generally adopted as a driving device, a hydraulic device is matched to control the piston rod of a hydraulic cylinder to move, and a carriage is jacked to tip over to realize self-unloading goods. The existing electric tricycle generally does not have an automatic unloading function, and is troublesome in unloading goods. If the self-unloading mechanism such as the driving device, the hydraulic cylinder, the hydraulic system and the like are additionally arranged, the vehicle cost is greatly increased.
For this reason, chinese patent discloses a half-awning electric positive tricycle manual dump truck (CN 218536985U), including the automobile body assembly, the automobile body assembly is equipped with self-discharging chassis, manual operating mechanism, self-discharging carriage, carriage self-discharging mechanism, the self-discharging chassis includes driver's cabin assembly, frame assembly, leaf spring, regulation pull rod and foot brake return bend subassembly, the frame assembly with the welding of driver's cabin assembly, leaf spring's rear end, front end respectively with the lug of frame assembly is connected, the regulation pull rod with the lug of frame assembly is connected, foot brake return bend subassembly with the welding of frame assembly, the frame assembly is equipped with the brake pull rod, the brake pull rod with the regulation pull rod is connected.
According to the scheme, the hinge supporting point is arranged at the middle position of the self-discharging carriage, the carriage turns backwards around the supporting point under the action of dead weight, and then the carriage is limited by being contacted with the bending side beam of the rear frame of the carriage assembly, so that the turning and discharging of the carriage are realized. The defects of the prior art are as follows: the carriage turns over under the action of dead weight, and the speed is not controlled; when the carriage turns to the end of the travel and contacts with the bent side beams, the rotation speed of the carriage is high, the carriage collides with the bent side beams, the front part of the vehicle is tilted, potential safety hazards exist, and the vehicle is easy to turn over.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a manual self-unloading engineering truck. The buffer device is connected under the carriage of the engineering truck, and plays a role in buffering at the tail end of the travel of carriage overturning, unloading and overturning and resetting.
The invention adopts the following technical scheme: a manual self-unloading engineering truck comprises a truck frame and a carriage arranged on the truck frame; the middle part of the carriage is hinged with the frame, and the rear end of the frame is provided with a bending beam for limiting the carriage; the carriage is connected with a buffer mechanism; the buffer mechanism comprises an arc push rod fixed on the lower side surface of the rear part of the carriage, and the arc push rod is bent towards the front part of the carriage; the bottom of the frame is provided with a sliding rod in a sliding manner, the rear end of the sliding rod is connected with the arc-shaped push rod in a sliding manner, and the front end of the sliding rod is fixedly connected with a buffer oil cylinder; the buffer oil cylinder is fixedly connected with the frame.
It is further: the front end of the carriage is hinged with a control rod; the lower side of the control rod is fixedly provided with a lock hook, one side of the frame is fixedly provided with a lock shaft matched with the lock hook, and a tension spring for pulling the lock hook to the lock shaft is connected between the rear side of the lock hook and the carriage; the carriage is fixed with the limiting plate on one side, has seted up spacing logical groove on the limiting plate, the rear end of control rod wears to establish in spacing logical groove.
The rear end of the carriage is provided with a rear door, and the upper end of the rear door is hinged with the carriage; the lower side of the rear end of the carriage is hinged with a hook for locking the rear door, and a zipper is connected between the hook and the side surface of the bending beam.
And a rubber pad is fixed on the bending beam.
A vertical plate is fixed at the rear end of the sliding rod, and a vertical long sliding hole is formed in the vertical plate; one end of the arc push rod, which is close to the slide rod, is connected with a rotating shaft, and the rotating shaft is arranged in the long slide hole in a penetrating way.
The upper side of the sliding rod is fixed with a T-shaped sliding plate, a T-shaped sliding groove is formed in the bottom of the frame, and the T-shaped sliding plate is slidably arranged in the T-shaped sliding groove.
The buffer oil cylinder comprises a cylinder barrel and a double-outlet piston rod arranged in the cylinder barrel; two ends of the cylinder barrel are fixedly provided with cylinder covers, two ends of the double-outlet piston rod extend out of the cylinder covers, and the middle part of the double-outlet piston rod is fixedly provided with a piston; an oil port is formed in the cylinder cover, two sliding discs sleeved on the double-outlet piston rods in a sliding mode are respectively arranged on two sides of the piston, and a sealing gasket which is matched with the oil port relatively is fixed on one side, facing the oil port, of the sliding disc; a spring is connected between two sides of the piston and the sliding plate at the corresponding side, and damping holes communicated with two sides of the piston are formed in the piston.
The middle part of the double-outlet piston rod is provided with an external thread; two sides of the piston are respectively provided with a fastening nut, and the piston and the fastening nuts are connected to the middle part of the double-outlet piston rod through threads; an annular groove for installing the spring is formed in one side, facing the sliding disc, of the fastening nut.
One end of the double-outlet piston rod, which is close to the sliding rod, is fixedly connected with the sliding rod through a pin; one end of the cylinder barrel, which is far away from the sliding rod, is fixed with a protective sleeve, and one end of the double-outlet piston rod, which is far away from the sliding rod, is positioned in the protective sleeve; the cylinder barrel is fixedly provided with a flange plate, the lower side of the frame is welded with a connecting plate, and the flange plate is fixedly connected with the connecting plate through bolts.
The two buffer cylinders are symmetrically arranged; the front oil port of the first buffer oil cylinder is connected with the rear oil port of the second buffer oil cylinder through an oil pipe, and the rear oil port of the first buffer oil cylinder is connected with the front oil port of the second buffer oil cylinder through an oil pipe.
The invention has the beneficial effects that: the carriage is connected with the buffer cylinder, the carriage can be buffered in the starting stage of turning and unloading of the carriage and at the end of the stroke, the problem that the carriage suddenly warps up at the beginning and collides with the bending beam at the end is solved, and the risk of vehicle rollover caused by the rapid turning and collision of the carriage is avoided; in addition, when the carriage is turned over and reset, the carriage has buffering effect at the beginning stage and at the end of the stroke, so that the carriage is prevented from being extruded to workers, and the working safety of the vehicle is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of the rear compartment position of FIG. 1;
FIG. 3 is an enlarged view of the locking structure at A in FIG. 2;
FIG. 4 is an enlarged view of the buffer structure at B in FIG. 2;
FIG. 5 is a schematic view of the structure of the buffer cylinder of FIG. 2;
fig. 6 is a schematic layout of the cushion cylinder.
Reference numerals illustrate: 1. a frame; 101. t-shaped sliding groove; 102. a connecting plate; 2. a carriage; 3. bending the beam; 4. an arc push rod; 5. a slide bar;
6. a buffer cylinder; 60. an oil pipe; 61. a cylinder; 611. a protective sleeve; 612. a flange plate; 62. a double-out piston rod; 63. a cylinder cover; 631. an oil port; 64. a piston; 65. a fastening nut; 651. an annular groove; 66. a slide plate; 67. a sealing gasket; 68. a spring; 69. a damping hole;
7. a vertical plate; 701. a long slide hole; 8. a rotating shaft; 9. t-shaped skateboards; 10. a pin; 11. a rubber pad; 12. a rear door; 13. a hook; 14. a zipper; 15. a control lever; 16. a latch hook; 17. a lock shaft; 18. a tension spring; 19. a limiting plate; 191. limiting through grooves.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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 and 2, a manual dump truck includes a frame 1 and a cabin 2 mounted on the frame 1; the middle part of the carriage 2 is hinged with the frame 1, and the rear end of the frame 1 is provided with a bending beam 3 for limiting the carriage 2. The articulated point of carriage 2 and frame 1 sets up the kink department at the kink roof beam 3, and after carriage 2 upset, carriage 2 rear portion supports on the kink roof beam 3. A rubber pad 11 is fixed on the bending beam 3 to buffer the carriage 2.
The rear end of the carriage 2 is provided with a rear door 12, and the upper end of the rear door 12 is hinged with the carriage 2; the lower side of the rear end of the carriage 2 is hinged with a hook 13 for locking the rear door 12, and a zipper 14 is connected between the hook 13 and the side surface of the bending beam 3. As the car 2 rotates open, the slide fastener 14 gradually releases, the hook 13 rotates open, and the rear door 12 opens, and the car 2 starts to discharge.
As shown in fig. 3, a locking structure is disposed at the front end of the carriage 2, for controlling the unlocking and locking states of the front end of the carriage 2 and the frame 1. Specific: the front end of the carriage 2 is hinged with a control rod 15; a lock hook 16 is fixed on the lower side of the control rod 15, a lock shaft 17 matched with the lock hook 16 is fixed on one side of the frame 1, and a tension spring 18 for pulling the lock hook 16 to the lock shaft 17 is connected between the rear side of the lock hook 16 and the carriage 2; a limiting plate 19 is fixed on one side of the carriage 2, a limiting through groove 191 is formed in the limiting plate 19, and the rear end of the control rod 15 is arranged in the limiting through groove 191 in a penetrating mode. During transportation, the position of the hinge point of the control rod 15 and the lock shaft 17 of the lock hook 16 is dead point, and the lock shaft 17 is hooked by the clockwise rotating force of the carriage 2, so that locking is realized. When the car is required to be opened, the control rod 15 is rotated clockwise, the rear end of the control rod 15 slides downwards in the limiting through groove 191, the lock hook 16 rotates to drop from the lock shaft 17, and the car 2 can rotate clockwise.
As shown in fig. 2, 4 and 5, the cabin 2 is connected with a buffer mechanism: the buffer mechanism comprises an arc push rod 4 fixed on the lower side surface of the rear part of the carriage 2, and the arc push rod 4 bends towards the front part of the carriage 2. The bottom of the frame 1 is provided with a T-shaped chute 101, a T-shaped slide plate 9 is fixed on the upper side of the slide bar 5, and the T-shaped slide plate 9 is slidably arranged in the T-shaped chute 101, so that the slide bar 5 can slide forwards and backwards. A vertical plate 7 is fixed at the rear end of the slide bar 5, and a vertical long slide hole 701 is formed in the vertical plate 7; one end of the arc push rod 4, which is close to the slide rod 5, is connected with a rotating shaft 8, and the rotating shaft 8 is arranged in the long slide hole 701 in a penetrating way. The front end of the slide bar 5 is fixedly connected with a buffer oil cylinder 6, and the buffer oil cylinder 6 is fixedly connected with the frame 1. When the carriage 2 rotates clockwise, the arc push rod 4 pushes the vertical plate 7 and the slide rod 5 through the rotating shaft 8, and the slide rod 5 pushes the buffer oil cylinder 6. The buffer cylinder 6 has a buffer effect at the end of both the forward stroke and the backward stroke.
The cushion cylinder 6 includes a cylinder 61 and a double-out piston rod 62 mounted in the cylinder 61. Cylinder heads 63 are fixed at both ends of the cylinder 61, and both ends of the double-piston rod 62 extend out of the cylinder heads 63, and sealing rings and guide rings are arranged in the cylinder heads 63. The middle part of the double-outlet piston rod 62 is provided with external threads; the two sides of the piston 64 are respectively provided with a fastening nut 65, and the piston 64 and the fastening nut 65 are connected to the middle part of the double-outlet piston rod 62 through threads to realize positioning. An oil port 631 is formed in the cylinder cover 63, a sliding disc 66 which is sleeved on the double-outlet piston rod 62 in a sliding manner is respectively arranged on two sides of the piston 64, and a sealing gasket 67 which is matched with the oil port 631 relatively is fixed on one side of the sliding disc 66 facing the oil port 631. A spring 68 is connected between the two sides of the piston 64 and the slide plate 66 on the corresponding side, and an annular groove 651 for mounting the spring 68 is provided on the side of the fastening nut 65 facing the slide plate 66. The piston 64 is provided with damping holes 69 communicating with both sides of the piston 64.
One end of the double-out piston rod 62, which is close to the slide rod 5, is fixedly connected with the slide rod 5 through the pin 10. The end of the cylinder 61 remote from the slide rod 5 is fixed with a protective sleeve 611, and the end of the double-piston rod 62 remote from the slide rod 5 is located in the protective sleeve 611. A flange 612 is fixed on the cylinder 61, a connecting plate 102 is welded on the lower side of the frame 1, and the flange 612 is fixedly connected with the connecting plate 102 through bolts.
As shown in fig. 6, two buffer mechanisms are symmetrically arranged and are respectively arranged at two sides of the vehicle. The two cushion cylinders 6 are also symmetrical, the front oil port 631 of the first cushion cylinder 6 is connected to the rear oil port 631 of the second cushion cylinder 6 through the oil pipe 60, and the rear oil port 631 of the first cushion cylinder 6 is connected to the front oil port 631 of the second cushion cylinder 6 through the oil pipe 60. The buffer oil cylinder 6 adopts a serial structure, and the travel synchronism of the buffer oil cylinder 6 is limited by the arc push rod 4 behind the carriage 2.
Working principle:
as shown in fig. 1 and 3, during transportation, the position of the hinge point of the control lever 15 and the lock shaft 17 of the lock hook 16 is dead center, and the lock shaft 17 is hooked by the clockwise rotating force of the carriage 2, so that locking is realized;
when the unloading is needed at the place, the control rod 15 is rotated clockwise, the rear end of the control rod 15 slides downwards in the limit through groove 191, the lock hook 16 rotates to drop off from the lock shaft 17, and the carriage 2 can rotate clockwise under the dead weight and the thrust of workers;
in the initial stage of clockwise rotation of the carriage 2, with reference to fig. 3, 4 and 5, under the thrust of the left spring 68, the sealing gasket 67 on the left side slide 66 seals the oil port 631 of the left side cylinder cover 63, and hydraulic oil needs to pass through the damping hole 69 on the piston 64 to realize buffering, so that the initial stage of clockwise rotation of the carriage 2 is ensured to be slow;
with the movement of the piston 64 and the double-out piston rod 62, the sealing gasket 67 on the left side slide plate 66 is gradually separated from the oil port 631 of the left side cylinder cover 63, and the carriage 2 starts to accelerate rotation;
similarly, in the final stage of the movement of the piston 64 and the double-outlet piston rod 62, the sealing gasket 67 on the right side slide plate 66 seals the oil port 631 of the right side cylinder cover 63, and hydraulic oil needs to pass through the damping hole 69 on the piston 64 to realize buffering;
similarly, the process of returning the cabin 2 to the counterclockwise rotation is reversed.
In the embodiment, the starting stage and the stroke end of the overturning and unloading of the carriage can buffer the rotation of the carriage, so that the problem that the carriage suddenly warps up at the beginning and collides with the bending beam quickly at the end is solved, and the risk of vehicle rollover caused by the collision of the carriage in the quick rotation is avoided; in addition, when the carriage is turned over and reset, the carriage has buffering effect at the beginning stage and at the end of the stroke, so that the carriage is prevented from being extruded to workers, and the working safety of the vehicle is improved.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. A manual self-unloading engineering truck comprises a truck frame (1) and a carriage (2) arranged on the truck frame (1); the middle part of the carriage (2) is hinged with the frame (1), and the rear end of the frame (1) is provided with a bending beam (3) for limiting the carriage (2); the method is characterized in that: the carriage (2) is connected with a buffer mechanism; the buffer mechanism comprises an arc push rod (4) fixed on the lower side surface of the rear part of the carriage (2), and the arc push rod (4) is bent towards the front part of the carriage (2); a sliding rod (5) is slidably arranged at the bottom of the frame (1), the rear end of the sliding rod (5) is slidably connected with the arc-shaped push rod (4), and the front end of the sliding rod (5) is fixedly connected with a buffer oil cylinder (6); the buffer oil cylinder (6) is fixedly connected with the frame (1);
the buffer cylinder (6) comprises a cylinder barrel (61) and a double-outlet piston rod (62) arranged in the cylinder barrel (61); cylinder covers (63) are fixed at two ends of the cylinder barrel (61), two ends of the double-outlet piston rod (62) extend out of the cylinder covers (63), and a piston (64) is fixed in the middle of the double-outlet piston rod (62); an oil port (631) is formed in the cylinder cover (63), a sliding disc (66) which is sleeved on the double-outlet piston rod (62) in a sliding manner is respectively arranged on two sides of the piston (64), and a sealing gasket (67) which is matched with the oil port (631) relatively is fixed on one side, facing the oil port (631), of the sliding disc (66); a spring (68) is connected between two sides of the piston (64) and the sliding disc (66) at the corresponding side, and damping holes (69) communicated with two sides of the piston (64) are formed in the piston (64);
the middle part of the double-outlet piston rod (62) is provided with external threads; two sides of the piston (64) are respectively provided with a fastening nut (65), and the piston (64) and the fastening nuts (65) are connected to the middle part of the double-outlet piston rod (62) through threads; an annular groove (651) for installing the spring (68) is formed in one side, facing the sliding disc (66), of the fastening nut (65);
one end of the double-outlet piston rod (62) close to the sliding rod (5) is fixedly connected with the sliding rod (5) through a pin (10); one end of the cylinder barrel (61) far away from the sliding rod (5) is fixed with a protective sleeve (611), and one end of the double-piston rod (62) far away from the sliding rod (5) is positioned in the protective sleeve (611); a flange plate (612) is fixed on the cylinder barrel (61), a connecting plate (102) is welded on the lower side of the frame (1), and the flange plate (612) is fixedly connected with the connecting plate (102) through bolts;
the two buffer cylinders (6) are symmetrically arranged; the front oil port (631) of the first buffer oil cylinder (6) is connected with the rear oil port (631) of the second buffer oil cylinder (6) through an oil pipe (60), and the rear oil port (631) of the first buffer oil cylinder (6) is connected with the front oil port (631) of the second buffer oil cylinder (6) through the oil pipe (60).
2. The manual self-discharging engineering truck according to claim 1, wherein: the front end of the carriage (2) is hinged with a control rod (15); a lock hook (16) is fixed at the lower side of the control rod (15), a lock shaft (17) matched with the lock hook (16) is fixed at one side of the frame (1), and a tension spring (18) for pulling the lock hook (16) to the lock shaft (17) is connected between the rear side of the lock hook (16) and the carriage (2); one side of the carriage (2) is fixed with a limiting plate (19), the limiting plate (19) is provided with a limiting through groove (191), and the rear end of the control rod (15) is arranged in the limiting through groove (191) in a penetrating mode.
3. The manual self-discharging engineering truck according to claim 1, wherein: the rear end of the carriage (2) is provided with a rear door (12), and the upper end of the rear door (12) is hinged with the carriage (2); the lower side of the rear end of the carriage (2) is hinged with a hook (13) for locking the rear door (12), and a zipper (14) is connected between the hook (13) and the side surface of the bending beam (3).
4. The manual self-discharging engineering truck according to claim 1, wherein: a rubber pad (11) is fixed on the bending beam (3).
5. The manual self-discharging engineering truck according to claim 1, wherein: a vertical plate (7) is fixed at the rear end of the sliding rod (5), and a vertical long sliding hole (701) is formed in the vertical plate (7); one end of the arc push rod (4) close to the slide rod (5) is connected with a rotating shaft (8), and the rotating shaft (8) is arranged in the long slide hole (701) in a penetrating mode.
6. The manual self-discharging engineering truck according to claim 1, wherein: the upper side of the sliding rod (5) is fixedly provided with a T-shaped sliding plate (9), the bottom of the frame (1) is provided with a T-shaped sliding groove (101), and the T-shaped sliding plate (9) is slidably arranged in the T-shaped sliding groove (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310385097.1A CN116279941B (en) | 2023-04-10 | 2023-04-10 | Manual self-discharging engineering truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310385097.1A CN116279941B (en) | 2023-04-10 | 2023-04-10 | Manual self-discharging engineering truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116279941A CN116279941A (en) | 2023-06-23 |
| CN116279941B true CN116279941B (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310385097.1A Active CN116279941B (en) | 2023-04-10 | 2023-04-10 | Manual self-discharging engineering truck |
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| Country | Link |
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| CN (1) | CN116279941B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000046010A (en) * | 1998-05-29 | 2000-02-15 | Hitachi Constr Mach Co Ltd | Hydraulic cylinder equipped with cushion device |
| KR20040014736A (en) * | 2002-08-10 | 2004-02-18 | 대우정밀 주식회사 | Shock absober for auto mobile |
| JP2004306708A (en) * | 2003-04-03 | 2004-11-04 | Showa Corp | Hydraulic shock absorbing device and hydraulic shock absorber |
| KR20070014249A (en) * | 2005-07-28 | 2007-02-01 | 현대중공업 주식회사 | Cushion device for hydraulic cylinder of dump truck |
| CN107696940A (en) * | 2017-11-10 | 2018-02-16 | 重庆柯驰机械有限责任公司 | Tipping bucket dump-lifting device and the tricycle with the device |
| CN108457928A (en) * | 2018-03-29 | 2018-08-28 | 湖北赞博信息科技股份有限公司 | A kind of hydraulic oil cylinder of self-discharging vehicle |
-
2023
- 2023-04-10 CN CN202310385097.1A patent/CN116279941B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000046010A (en) * | 1998-05-29 | 2000-02-15 | Hitachi Constr Mach Co Ltd | Hydraulic cylinder equipped with cushion device |
| KR20040014736A (en) * | 2002-08-10 | 2004-02-18 | 대우정밀 주식회사 | Shock absober for auto mobile |
| JP2004306708A (en) * | 2003-04-03 | 2004-11-04 | Showa Corp | Hydraulic shock absorbing device and hydraulic shock absorber |
| KR20070014249A (en) * | 2005-07-28 | 2007-02-01 | 현대중공업 주식회사 | Cushion device for hydraulic cylinder of dump truck |
| CN107696940A (en) * | 2017-11-10 | 2018-02-16 | 重庆柯驰机械有限责任公司 | Tipping bucket dump-lifting device and the tricycle with the device |
| CN108457928A (en) * | 2018-03-29 | 2018-08-28 | 湖北赞博信息科技股份有限公司 | A kind of hydraulic oil cylinder of self-discharging vehicle |
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| Publication number | Publication date |
|---|---|
| CN116279941A (en) | 2023-06-23 |
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Denomination of invention: A manual dump construction vehicle Granted publication date: 20230929 Pledgee: Bank of China Limited Fengxian sub branch Pledgor: Xuzhou MEIBANG Electric Vehicle Technology Co.,Ltd. Registration number: Y2024980004746 |
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