CN113428808A - Transport vehicle and hydraulic control system - Google Patents
Transport vehicle and hydraulic control system Download PDFInfo
- Publication number
- CN113428808A CN113428808A CN202110833320.5A CN202110833320A CN113428808A CN 113428808 A CN113428808 A CN 113428808A CN 202110833320 A CN202110833320 A CN 202110833320A CN 113428808 A CN113428808 A CN 113428808A
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- assembly
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- door frame
- hydraulic
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- 230000009467 reduction Effects 0.000 claims abstract description 15
- 239000003921 oil Substances 0.000 claims description 49
- 230000007246 mechanism Effects 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 239000013078 crystal Substances 0.000 abstract description 32
- 230000009471 action Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
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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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/07—Floor-to-roof stacking devices, e.g. "stacker cranes", "retrievers"
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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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07504—Accessories, e.g. for towing, charging, locking
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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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/08—Masts; Guides; Chains
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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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
- B66F9/18—Load gripping or retaining means
- B66F9/183—Coplanar side clamps
Abstract
The invention discloses a carrying vehicle and a hydraulic control system, comprising a vehicle body; the gantry assembly is vertically arranged on the vehicle body and is used for driving the rod-shaped object to lift; a rotating assembly connected with the door frame assembly and used for driving the rod-shaped object to rotate in a vertical plane; the holding and clamping assembly is fixedly connected with the rotating assembly; and the lifting component is arranged on the holding and clamping component and used for bearing the rod-shaped objects and providing additional lifting motion for the rod-shaped objects, and the lowest point of the downward motion of the lifting component is lower than the vehicle body. According to the invention, the lifting assembly capable of providing an additional lifting function for the rod-shaped object is arranged in the holding and clamping assembly, the hydraulic motor drives the reduction gearbox to move, the lifting guide rail is driven to move up and down along the shaft head fixing plate under the action of the gear and the rack, and finally the crystal bar on the tray is linked to move up and down, and the arrangement of the lifting assembly enables the whole vehicle to have the additional lifting function outside the portal assembly, so that the stacking height of the whole vehicle is greatly improved, and the adaptability of the whole vehicle is improved.
Description
Technical Field
The invention relates to the technical field of transport vehicle equipment, in particular to a transport vehicle and a hydraulic control system.
Background
Along with the continuous progress of scientific technology, the industrial production level also continuously improves, wherein the crystal bar trade also obtains rapid development, the continuous progress of domestic crystal bar production technology for crystal bar production scale and product quality also improve greatly, under this background, more and more crystal bar manufacturers are born, nevertheless need process through multichannel procedure in the crystal bar production process, need carry the crystal bar, all carry through the manual work among the prior art, workman intensity of labour has been strengthened, production efficiency has been reduced, because the transport object is irregular cylindrical crystal, for the size longer, the crystal of great weight, single transport is harder, also cause the personal danger easily, need many people to work simultaneously.
Chinese patent publication No.: CN208747110U discloses a single crystal silicon rod conveying mechanism, which can convey a crystal rod well by providing a gripper connected to a lifting mechanism and a rotating mechanism, but the crystal rod conveying mechanism has the following obvious disadvantages in the using process: the lifting of the hand grip is realized only by the lifting mechanism, and the lifting mechanism does not have an independent lifting function, so that on one hand, the lifting mechanism cannot be made to be large due to the size of the vehicle, the lifting height of the hand grip is limited, and the hand grip cannot be suitable for stacking crystal bars in high size; on the other hand, the lowest point of the lifting mechanism is the ground, and the lifting mechanism needs to be lowered below the ground so that the upper part and the top part of the crystal bar can be viewed and operated by workers during the actual transportation process, but the transportation mechanism cannot be lowered to the height below the ground.
Disclosure of Invention
The present invention is directed to a transportation vehicle and a hydraulic control system to solve the problems of the related art.
In order to achieve the purpose, the invention provides the following technical scheme:
a transport vehicle for transporting a rod-like object, comprising
A vehicle body;
the gantry assembly is vertically arranged on the vehicle body and is used for driving the rod-shaped object to lift;
a rotating assembly connected with the door frame assembly and used for driving the rod-shaped object to rotate in a vertical plane;
the holding and clamping component is fixedly connected with the rotating component and is used for holding the rod-shaped object; and
the lifting component is arranged on the holding and clamping component and used for bearing the rod-shaped objects and providing additional lifting motion for the rod-shaped objects, and the lowest point of the downward motion of the lifting component is lower than the vehicle body;
wherein: the lifting assembly comprises lifting guide rails connected with symmetrical spindle nose fixing plates through idler wheels, racks are arranged on the lifting guide rails, a reduction gearbox connected with the hydraulic motor in a power mode is arranged on the spindle nose fixing plates, the tail end of a main shaft of the reduction gearbox is connected with the spindle nose fixing plate on the other side through a bearing, a gear meshed with the racks is arranged on the main shaft of the reduction gearbox, and a tray used for bearing a rod-shaped object is arranged at the bottom of the lifting guide rails.
Preferably, the door frame assembly comprises an outer door frame vertically connected with the vehicle body, an inner door frame is movably sleeved in the outer door frame, lifting cylinders used for driving the inner door frame to lift are symmetrically arranged on two sides of the outer door frame, fixed ends of the lifting cylinders are connected with the outer door frame, telescopic ends of the lifting cylinders are connected with an upper cross beam at the top of the inner door frame, a chain wheel is arranged at the top of the inner door frame, a chain with one end connected with the outer door frame and the other end connected with a sliding frame is arranged on the chain wheel in a surrounding mode, and the sliding frame is movably connected with the inner door frame through rollers.
Preferably, the rotating assembly is a rotator, the fixed end of the rotator is arranged on the connecting plate, the rotating end of the rotator is connected with the jig mounting plate, the connecting plate is connected with the sliding frame, and the jig mounting plate is provided with a transverse guide rail and a shaft head fixing plate.
Preferably, the clamping component comprises a left clamping arm and a right clamping arm which are close to or far away from each other synchronously, and the left clamping arm and the right clamping arm are movably connected with the shaft head fixing plate.
Preferably, left arm lock and right arm lock move the hydro-cylinder with first side respectively and the second side moves the flexible end of hydro-cylinder and be connected, the stiff end that first side moved hydro-cylinder and second side and move the hydro-cylinder is connected the tool mounting panel, tool mounting panel both sides are provided with left sprocket and right sprocket respectively, left sprocket and right sprocket go up to encircle respectively have left driving chain and right driving chain, and left driving chain and right driving chain both ends are connected with left arm lock and right arm lock respectively.
Preferably, the upper end and the lower end of the left clamping arm and the right clamping arm are respectively provided with a roller, and the rollers are clamped in the transverse guide rails at the upper end and the lower end of the jig mounting plate.
Preferably, a clamping block is arranged on one side, opposite to the left clamping arm and the right clamping arm, and a damping block is arranged on the clamping block.
The application still provides a hydraulic control system, includes above-mentioned a haulage vehicle.
The utility model provides a hydraulic control system, includes the pump station subassembly, be provided with the hydraulic pump by motor drive in the pump station subassembly, the hydraulic pump passes through filter intercommunication oil tank, the hydraulic oil of the same kind that the hydraulic pump was pumped reachs the multiple unit valve after overflow valve, choke valve, solenoid directional valve and filter in proper order, reachs the multiple unit valve after another way through the check valve, choke valve intercommunication oil tank, the A1 hydraulic fluid port of multiple unit valve is connected through the trip valve and is risen the jar, its A2, B2 hydraulic fluid port intercommunication circulator, its A3, B3 hydraulic fluid port intercommunication first side shift hydro-cylinder and second side shift hydro-cylinder, its A4, B4 hydraulic motor.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the lifting assembly capable of providing an additional lifting function for the rod-shaped object is arranged in the holding and clamping assembly, the hydraulic motor drives the reduction gearbox to move, the lifting guide rail is driven to move up and down along the shaft head fixing plate under the action of the gear and the rack, and finally the crystal bar on the tray is linked to move up and down; more importantly, the lifting component can descend below the vehicle body, and when the rodlike crystal bar with large carrying length is carried, the lifting component stretches into the pit, so that the upper end or the top end of the crystal bar is just at the height suitable for observation and operation, and the observation and operation of the crystal bar by workers are convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a front view of the present invention;
FIG. 5 is a schematic view of the mast assembly of the present invention;
FIG. 6 is a schematic structural view of a gantry assembly, a rotation assembly, a clamping assembly and a lifting assembly of the present invention;
FIG. 7 is a schematic structural view of the jig mounting plate, the transverse guide rail and the spindle head fixing plate of the present invention;
FIG. 8 is a schematic structural view of a clamping assembly according to the present invention;
FIG. 9 is an elevational view of the clamp assembly of the present invention;
FIG. 10 is a schematic view of the lift assembly of the present invention;
FIG. 11 is an enlarged view of the structure of area A in FIG. 10;
FIG. 12 is a schematic illustration of the hydraulic system of the present invention;
FIG. 13 is a hydraulic schematic of the pump station assembly of the present invention;
fig. 14 is a state diagram of the lifting assembly of the present invention lifting to the lowest point.
In the figure: the device comprises a vehicle body 1, a gantry assembly 2, an outer gantry 21, an inner gantry 22, a lifting cylinder 23, an upper crossbeam 24, a sprocket 25, a chain 26, a carriage 27, a rotating assembly 3, a rotator 31, a connecting plate 32, a jig mounting plate 33, a transverse guide rail 34, a spindle head fixing plate 35, a clamping assembly 4, a left clamping arm 41, a right clamping arm 42, a roller 43, a left sprocket 44, a left driving chain 45, a first side shifting oil cylinder 46, a right sprocket 47, a right driving chain 48, a second side shifting oil cylinder 49, a clamping block 410, a lifting assembly 5, a lifting guide rail 51, a rack 52, a reduction gearbox 53, a hydraulic motor 54, a gear 55, a pallet 56, a pump station assembly 6, a hydraulic pump 61, a motor 62, a filter 63, an oil tank 64, an overflow valve 65, a throttle valve 66, a solenoid directional valve 67, a throttle valve 68, a one-way valve, a multi-way valve 7 and a shut valve 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-14, the present invention provides a technical solution:
a transport vehicle for transporting a crystal ingot comprises
The rear part of the vehicle body 1, on which an operator stands through a folded pedal, is provided with a handle for controlling the vehicle body 1 to walk, and meanwhile, the operator operates the whole vehicle to walk through the handle, and the portal frame assembly 2 is arranged in the middle of the vehicle body 1, so that the arrangement has the advantages that the centers of gravity of goods and corresponding assemblies are positioned in the center of the vehicle body 1, and the stability of the whole vehicle is improved; a plurality of groups of valve rods for operating the lifting of the portal frame, enabling the clamping arms to approach or depart from the portal frame, rotating the rotator and moving the lifting device are arranged on the side surface of the trolley body 1;
one end of the portal component 2 is fixedly connected with the trolley body 1 and is vertical to the trolley body 1 and used for driving the crystal bars to lift, the portal component 2 comprises an outer portal 21, one end of the outer portal 21 is vertical to the trolley body 1, an inner portal 22 is movably sleeved in the outer portal 21, the outer portal 21 and the inner portal 22 are both of frame structures formed by two side guide rail channel steel, a plurality of groups of rollers are arranged on two sides of the outer portal 21, and guide rail channel steel on two sides of the inner portal 22 is clamped on the rollers, so that the inner portal 22 can slide up and down along the outer portal 21; lifting cylinders 23 for driving the inner gantry 22 to lift are symmetrically arranged on two sides of the outer gantry 21, the lifting cylinders 23 are connected with a whole vehicle hydraulic system and controlled by lifting valve rods, the fixed ends of the lifting cylinders 23 are connected with the outer gantry 21 through oil cylinder bases, the telescopic ends of the lifting cylinders are connected with an upper cross beam 24 at the top of the inner gantry 22, and the inner gantry 22 is finally linked to lift up and down along the outer gantry 21 through the telescopic motion of the telescopic ends of the lifting cylinders 23; two groups of chain wheels 25 are arranged at the top of the inner door frame 22, a chain 26 with one end connected with the outer door frame 21 and the other end connected with the sliding frame 27 is arranged on the chain wheels 25 in a surrounding manner, and an adjusting device is arranged at the end of the chain 26 connected with the outer door frame 21 and can adjust the tightness of the whole chain 26; the sliding frame 27 is clamped in a guide rail channel steel of the inner gantry 22 through a roller at the rear part, so that the sliding frame 27 can slide up and down along the inner gantry 22; the inner gantry 22 is synchronously lifted by the linkage chain wheel 25 in the lifting process, and the carriage 27 slides up and down along the inner gantry 22 at twice the speed and the stroke of the carriage under the action of the chain 26;
the rotating assembly 3 is connected with the portal frame assembly 2 and used for driving the bar-shaped crystal rod to rotate in a vertical plane, in the technical scheme of the embodiment, the rotating assembly 3 is a rotator 31, the rotator 31 is connected with a hydraulic system of a whole vehicle and is controlled by a rotating valve rod, the fixed end of the rotator 31 is arranged on a connecting plate 32, the rotating end of the rotator is connected with a jig mounting plate 33, the connecting plate 32 is fixedly connected with the sliding frame 27, a transverse guide rail 34 and a spindle head fixing plate 35 are arranged on the jig mounting plate 33, and the spindle head fixing plate 35 is fixedly connected with the jig mounting plate 33 through a connecting block; under the action of a hydraulic system, the rotator 31 drives the jig mounting plate 33 to rotate, the linkage clamping assembly 4 and the lifting assembly 5 rotate, and finally the clamped rod-shaped crystal bar is driven to rotate, so that the crystal bar is converted from a vertical state to a horizontal state, and the rod-shaped crystal bar is conveyed and stored conveniently;
the holding and clamping assembly 4 is fixedly connected with the rotating assembly 3 and used for holding a rod-shaped crystal bar so that the crystal bar is kept fixed in the carrying process, the holding and clamping assembly 4 comprises a left clamping arm 41 and a right clamping arm 42 which are synchronously close to or far away from each other, and the left clamping arm 41 and the right clamping arm 42 are movably connected with the shaft head fixing plate 35;
the left clamping arm 41 and the right clamping arm 42 are respectively connected with the telescopic ends of a first side shift oil cylinder 46 and a second side shift oil cylinder 49, the fixed ends of the first side shift oil cylinder 46 and the second side shift oil cylinder 49 are fixedly connected to a jig mounting plate 33 through oil cylinder seat welding, the first side shift oil cylinder 46 and the second side shift oil cylinder 49 are both connected with a whole vehicle hydraulic system and controlled by a clamping valve rod, a left chain wheel 44 and a right chain wheel 47 are respectively and movably arranged on the two sides of the jig mounting plate 33, a left driving chain 45 and a right driving chain 48 are respectively wound on the left chain wheel 44 and the right chain wheel 47, the two ends of the left driving chain 45 and the right driving chain 48 are respectively connected with the left clamping arm 41 and the right clamping arm 42, the upper end and the lower end of the left clamping arm 41 and the right clamping arm 42 are respectively provided with a roller 43, the roller 43 is clamped in the transverse guide rails 34 at the upper end and the lower end of the jig mounting plate 33, and the opposite side of the left clamping arm 41 and the right clamping arm 42 is provided with a clamping block 410, the clamping block 410 is provided with a damping block, the clamping block 410 is of a right-angle structure and can just clamp the crystal bar, and meanwhile, the arrangement of the damping block can avoid damage to the crystal bar due to overlarge clamping force;
when the holding and clamping assembly 4 works, a pump station is started, the holding and clamping valve rod on the multi-way valve is operated to control the switching of a holding and clamping oil way, when one oil way connected with an oil nozzle at the tail part of a first side shifting oil cylinder 46 and a second side shifting oil cylinder 49 works, pistons of the first side shifting oil cylinder 46 and the second side shifting oil cylinder 49 extend out to push a left clamping arm 41 and a right clamping arm 42 connected with the pistons to be pulled open, and the left clamping arm 41 and the right clamping arm 42 can be synchronously pulled open due to the fact that the right clamping arm 42 and the left clamping arm 41 are connected through a left driving chain 45 and a right driving chain 48, so that the unloading action of the holding and clamping assembly 4 is realized; when an oil way connected with an oil nozzle on one side, close to a piston, of the first side shifting oil cylinder 46 and the second side shifting oil cylinder 49 works, the pistons of the first side shifting oil cylinder 46 and the second side shifting oil cylinder 49 retract, the left clamping arm 41 and the right clamping arm 42 connected with the pistons are linked to be close, and under the action of the left driving chain 45 and the right driving chain 48, the left clamping arm 41 and the right clamping arm 42 on the two sides are close synchronously, so that the clamping action of the clamping component 4 is realized, and the synchronism, the stability and the positioning precision of the clamping and unloading actions are improved due to the arrangement of the chain wheels and the chains;
the lifting assembly 5 is arranged on the holding and clamping assembly 4 and used for bearing the rod-shaped objects and providing extra lifting motion for the rod-shaped objects, the lowest point of downward motion of the lifting assembly 5 is lower than the trolley body 1, the whole trolley has extra lifting function by arranging the lifting assembly 5, when the sliding frame 27 is lifted to the maximum height, the lifting assembly 5 can continuously lift upwards, the whole trolley has higher stacking height, the adaptability of the whole trolley is improved, meanwhile, when the sliding frame 27 reaches the lowest point, the lifting assembly 5 can continuously move downwards, and when a rod-shaped crystal bar with larger length is conveyed, the lifting assembly 5 is inserted into a pit, so that the upper end or the top end of the crystal bar is just at the height suitable for observation and operation, and convenience is brought to workers for observing and operating the crystal bar; the lifting assembly 5 comprises lifting guide rails 51 connected with symmetrical spindle nose fixing plates 35 through rollers 43, racks 52 are arranged on the lifting guide rails 51, the lifting guide rails 51 are composed of guide rail channel steels on two sides, the racks 52 are arranged between the guide rail channel steels on the two sides, the rollers 43 on the spindle nose fixing plates 35 are clamped in the guide rail channel steels on the two sides of the lifting guide rails 51, so that the lifting guide rails 51 can do linear motion along the spindle nose fixing plates 35, a reduction gearbox 53 in power connection with a hydraulic motor 54 is arranged on the spindle nose fixing plate 35 on one side, the tail end of a main shaft of the reduction gearbox 53 is connected with the spindle nose fixing plate 35 on the other side through a bearing, a gear 55 meshed with the racks 52 is arranged on the main shaft of the reduction gearbox 53, and a tray 56 used for bearing rod-shaped objects is arranged at the bottoms of the lifting guide rails 51; the hydraulic motor 54 drives the reduction gearbox 53 to operate, and drives the lifting guide rail 51 to linearly move along the spindle head fixing plate 35 under the action of the gear 55 and the rack 52, and finally the crystal bar on the tray 56 is linked to move up and down;
the application also provides a hydraulic control system, including foretell haulage vehicle.
A hydraulic control system comprises a pump station assembly 6, wherein a hydraulic pump 61 driven by a motor 62 is arranged in the pump station assembly 6, the hydraulic pump 61 is communicated with an oil tank 64 through a filter 63, and the filter 63 filters out impurities in the oil tank 64 to prevent the impurities from being brought into the hydraulic system, so that the hydraulic system is protected; one path of hydraulic oil pumped by the hydraulic pump 61 sequentially passes through an overflow valve 65, a throttle valve 66, an electromagnetic directional valve 67 and a filter 63 and then reaches the multi-way valve 7, the throttle valve 66 is communicated with an oil tank 64, and the overflow valve 65 controls the maximum working pressure of an oil path to protect a hydraulic system; the electromagnetic directional valve 67 controls the switching of the oil path, the oil does not flow back to the oil tank 64 in the lifting process of the hydraulic cylinder, and the oil flows back to the oil tank through the electromagnetic directional valve 67 when the hydraulic cylinder descends; the throttle valve 66 controls the descending speed of the hydraulic cylinder, so that the descending speed of the hydraulic cylinder is prevented from being too high, and the safety is improved; the other path of oil reaches the multi-way valve 7 after passing through the one-way valve 69, and the one-way valve 69 prevents the oil from flowing back to the hydraulic pump 61 to protect the hydraulic pump 61; an A1 oil port of the multi-way valve 7 is connected with a lifting cylinder 23 through a stop valve 8, the lifting cylinder 23 controls the lifting action of a forklift gantry, and by arranging the stop valve 8, in the using process of the forklift, in order to avoid that goods fall freely due to too fast oil speed, a speed limiting valve is arranged in an oil path, but in order to avoid safety accidents and loss caused by faults of the speed limiting valve, the stop valve 8 is additionally arranged in the lifting oil path; oil ports A2 and B2 of the multi-way valve 7 are communicated with the rotator 31, the rotator 31 drives the accessory to rotate, and switching action of the lifting guide rail 51 in the accessory at two positions, namely a horizontal position and a vertical position, is realized; oil ports A3 and B3 of the multi-way valve 7 are communicated with a first lateral shifting oil cylinder 46 and a second lateral shifting oil cylinder 49, and the lateral shifting oil cylinders drive a clamping component 4 in the attachment to move so as to clamp and release the crystal bar; the oil ports A4 and B4 of the multi-way valve 7 are communicated with the hydraulic motor 54 and the hydraulic motor 54 is connected with the reduction gearbox 53, so that power is provided for a gear rack mechanism connected with the reduction gearbox 53, and the linear movement of the lifting guide rail 51 is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. A transport vehicle for transporting a rod-like object, characterized in that: comprises that
A vehicle body (1);
the portal frame assembly (2) is vertically arranged on the vehicle body (1) and is used for driving the rod-shaped object to lift;
a rotating component (3) which is connected with the door frame component (2) and is used for driving the rod-shaped object to rotate in a vertical plane;
the holding and clamping component (4) is fixedly connected with the rotating component (3) and is used for holding the rod-shaped object; and
the lifting component (5) is arranged on the clamping component (4) and is used for bearing the rod-shaped objects and providing additional lifting motion for the rod-shaped objects, and the lowest point of the downward motion of the lifting component (5) is lower than the vehicle body (1);
wherein: the lifting assembly (5) comprises lifting guide rails (51) connected with symmetrical shaft head fixing plates (35) through rollers (43), racks (52) are arranged on the lifting guide rails (51), a reduction gearbox (53) in power connection with a hydraulic motor (54) is arranged on the shaft head fixing plates (35), the tail end of a main shaft of the reduction gearbox (53) is connected with the shaft head fixing plates (35) on the other side through bearings, gears (55) meshed with the racks (52) are arranged on the main shaft of the reduction gearbox (53), and a tray (56) used for bearing a rod-shaped object is arranged at the bottom of the lifting guide rails (51).
2. A handling vehicle as set out in claim 1, wherein: the lifting mechanism is characterized in that the door frame assembly (2) comprises an outer door frame (21) vertically connected with the vehicle body (1), an inner door frame (22) is movably sleeved in the outer door frame (21), lifting cylinders (23) used for driving the inner door frame (22) to lift are symmetrically arranged on two sides of the outer door frame (21), the fixed ends of the lifting cylinders (23) are connected with the outer door frame (21), the telescopic ends of the lifting cylinders are connected with an upper cross beam (24) at the top of the inner door frame (22), a chain wheel (25) is arranged at the top of the inner door frame (22), a chain (26) with one end connected with the outer door frame (21) and the other end connected with a sliding frame (27) is arranged on the chain wheel (25) in a surrounding mode, and the sliding frame (27) is movably connected with the inner door frame (22) through a roller.
3. A handling vehicle as set out in claim 2, wherein: the rotary component (3) is a rotator (31), the fixed end of the rotator (31) is arranged on a connecting plate (32), the rotary end of the rotator is connected with a jig mounting plate (33), the connecting plate (32) is connected with a sliding frame (27), and a transverse guide rail (34) and a shaft head fixing plate (35) are arranged on the jig mounting plate (33).
4. A handling vehicle as set out in claim 3, wherein: the holding and clamping assembly (4) comprises a left clamping arm (41) and a right clamping arm (42) which are close to or far away from each other synchronously, and the left clamping arm (41) and the right clamping arm (42) are movably connected with the shaft head fixing plate (35).
5. A handling vehicle as set out in claim 4, wherein: left side arm lock (41) and right arm lock (42) are connected with the flexible end that first side moved hydro-cylinder (46) and second side moved hydro-cylinder (49) respectively, first side moves hydro-cylinder (46) and second side and moves stiff end connection tool mounting panel (33) of hydro-cylinder (49), tool mounting panel (33) both sides are provided with left sprocket (44) and right sprocket (47) respectively, it has left driving chain (45) and right driving chain (48) to encircle respectively on left side sprocket (44) and right sprocket (47), and left driving chain (45) and right driving chain (48) both ends are connected with left arm lock (41) and right arm lock (42) respectively.
6. A handling vehicle as set out in claim 4, wherein: the upper end and the lower end of the left clamping arm (41) and the right clamping arm (42) are respectively provided with a roller (43), and the rollers (43) are clamped in the transverse guide rails (34) at the upper end and the lower end of the jig mounting plate (33).
7. A handling vehicle as set out in claim 4, wherein: and a clamping block (410) is arranged on one side, opposite to the left clamping arm (41) and the right clamping arm (42), and a damping block is arranged on the clamping block (410).
8. A hydraulic control system characterized by: a handling vehicle comprising any of claims 1-7.
9. A hydraulic control system according to claim 8, wherein: including pump station subassembly (6), be provided with hydraulic pump (61) by motor (62) driven in pump station subassembly (6), hydraulic pump (61) are through filter (63) intercommunication oil tank (64), hydraulic oil of the same way that hydraulic pump (61) were pumped passes through overflow valve (65), choke valve (66), arrival multiple unit valve (7) after solenoid directional valve (67) and filter (63) in proper order, and another way reachs multiple unit valve (7) after through check valve (69), choke valve (66) intercommunication oil tank (64), the A1 hydraulic fluid port of multiple unit valve (7) is through trip valve (8) connection lifting cylinder (23), its A2, B2 hydraulic fluid port intercommunication circulator (31), its A3, B3 hydraulic fluid port intercommunication first side shift hydro-cylinder (46) and second side shift hydro-cylinder (49), its A4, B4 intercommunication hydraulic motor (54).
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| CN202110833320.5A CN113428808A (en) | 2021-07-22 | 2021-07-22 | Transport vehicle and hydraulic control system |
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| CN202110833320.5A CN113428808A (en) | 2021-07-22 | 2021-07-22 | Transport vehicle and hydraulic control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114277440A (en) * | 2021-11-23 | 2022-04-05 | 浙江晶盛机电股份有限公司 | Clamp, crystal bar grabbing device and single crystal furnace |
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Application publication date: 20210924 |