CN105421508A - Hydraulic grab device and application method thereof - Google Patents
Hydraulic grab device and application method thereof Download PDFInfo
- Publication number
- CN105421508A CN105421508A CN201510933966.5A CN201510933966A CN105421508A CN 105421508 A CN105421508 A CN 105421508A CN 201510933966 A CN201510933966 A CN 201510933966A CN 105421508 A CN105421508 A CN 105421508A
- Authority
- CN
- China
- Prior art keywords
- push
- plate
- hydraulic
- joint
- pawl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- 210000000078 claw Anatomy 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims description 41
- 230000008602 contraction Effects 0.000 claims description 6
- 239000012224 working solution Substances 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
- E02F3/413—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a hydraulic grab device and an application method of the hydraulic grab device. The hydraulic grab device is connected with a working device, is driven by hydraulic energy of the working device to grab objects, and comprises a hinge disc, claws, a hydraulic cylinder and a push disc. The first end of the hinge disc is connected with the working device, and the second end of the hinge disc is fixedly connected with the fixed end of a cylinder body of the hydraulic cylinder. One end of each claw is hinged with the hinge disc, the other end of each claw is bent towards the axis of the perpendicular end of the hinge disc, and the claws are distributed in the circumferential direction of the hinge disc. The push disc is fixedly arranged at the free end of a cylinder rod of the hydraulic cylinder, holes which allow the claws to pass through are formed in the push disc, the push disc sleeves the claws through the holes, and the claws are controlled by movement of the push disc to be drawn together or separated. According to the invention, by the adoption of the combination among the hydraulic cylinder, the hinge disc and the push disc, the three claws can be controlled to be opened and closed only through one hydraulic cylinder, the structure is simple, the weight is light, control is easy, and the cost is low.
Description
[technical field]
The present invention relates to a kind of orange-peel grab, be specifically related to a kind of fluid pressure type orange-peel grab and using method thereof.
[background technology]
Orange-peel grab drives its claw to carry out opening and Operating In Persistent Current Mode process by hydraulic energy, air pressure energy or electric energy etc., thus can carry out carrying and the equipment capturing operation to object, be divided into fluid pressure type orange-peel grab, Electric energy type orange-peel grab, mechanical type orange-peel grab etc. according to the difference of drive form.Orange-peel grab can capture rubble, waste metal, industrial waste, building waste, household garbage etc.
Fluid pressure type orange-peel grab is a kind of equipment through being commonly used on hydraulic crawler excavator, and the hydraulic orange-peel grab be applied on hydraulic crawler excavator divides mechanical type orange-peel grab, swinging hydraulic orange-peel grab and non-swinging hydraulic orange-peel grab.
Mechanical type orange-peel grab directly adopts excavator bucket oil cylinder to promote, and without the need to changing the original oil circuit of excavator, but its job area is very restricted due to the restriction of itself frame for movement, operation quality does not reach requirement yet.
Swinging hydraulic orange-peel grab needs on orange-peel grab, to install hydraulic motor or oscillating motor to reach pivotal demand, needs the repacking original pipeline of excavator and hydraulic system like this, although cost is high well for performance.
Swinging hydraulic orange-peel grab does not only need to add a set of hydraulic valve block on board a dredger and pipeline controls, and can meet general duty requirements, economical and practical.
The hydraulic orange-peel grab occurred both at home and abroad mostly at present is three-pawl type, its each pawl all has independently Driven by Hydraulic Cylinder to control, control three hydraulic cylinder synchronous motions to need synchronous valve is installed, make the complex structure of hydraulic orange-peel grab self, control complicated, price is high, and the weight of equipment self is large, decreases its load bearing ability.
[summary of the invention]
The object of the present invention is to provide a kind of fluid pressure type orange-peel grab and using method thereof, this orange-peel grab mainly solves three each pawls of pawl of existing hydraulic orange-peel grab by the technical problem that independently Driven by Hydraulic Cylinder controls, the complex structure of self, control complexity, price weight that is high and equipment self is large, decrease its load bearing ability.
In order to solve prior art problem, the present invention adopts following technical scheme.
A kind of fluid pressure type orange-peel grab, be connected with equipment, driven by the hydraulic energy of this device and capture article, comprise hinged disk 1, pawl 3, hydraulic cylinder 4 and push-plate 5, first end face 103 of described hinged disk 1 is connected with equipment, second end face 104 of hinged disk 1 is fixedly connected with the fixed end of hydraulic cylinder 4 cylinder body, one end and the hinged disk 1 of described pawl 3 are hinged, the other end of pawl 3 bends towards the axis direction of hinged disk 1 perpendicular end surface, circumference along hinged disk 1 is distributed with several pawls 3, described push-plate 5 is fixedly installed on the free end of hydraulic cylinder 4 cylinder bar 6, push-plate 5 offers the hole passed freely through for pawl 3, push-plate 5 is located on pawl 3 by this borehole jack, undertaken drawing in or disperseing by the mobile control claw 3 of push-plate 5.
First end face 103 of described hinged disk 1 is fixedly installed earrings 2, and hinged disk 1 is connected with equipment by earrings 2.
Second end face 104 of described hinged disk 1 is fixedly installed bolt 102, bolt 102 is equipped with nut 9, the fixed end of hydraulic cylinder 4 cylinder body is flange, this flange offers the hydraulic cylinder flange connecting hole 401 passed for bolt 102, hinged disk 1 is fixedly connected with nut 9 by bolt 102 with hydraulic cylinder 4.
Described pawl 3 comprises the first joint 302, second joint 303 and the 3rd joint 304 successively, and at an angle, free end and the hinged disk 1 in the first joint 302 are hinged for the first described joint 302 and the axes intersect of second joint 303; The 3rd described joint 304 is arranged on the end of second joint 303 free end, and the free end of described second joint 303 is arranged towards the axis direction of hinged disk 1 perpendicular end surface.
In obtuse angle, when hydraulic orange-peel grab opens completely, the axis of described second joint 303 is parallel to each other for the first described joint 302 and the axes intersect of second joint 303.
Waist-shaped hole 501 is selected in the hole supplying pawl 3 to pass freely through that described push-plate 5 is offered, and push-plate 5 is set on the first joint 302 of pawl 3 by waist-shaped hole 501.
Described hinged disk 1 and push-plate 5 select triadius type structure; the hinged pawl 3 in end of each fork of hinged disk 1; each fork of push-plate 5 is offered a hole passed freely through for pawl 3; on this place, hole distribution radius of a circle and hinged disk 1, the hinge finger 3 pin joint place radius of a circle that distributes varies in size, and is undertaken drawing in or disperseing by the mobile control claw 3 of push-plate 5.
Described hydraulic cylinder 4, hinged disk 1 and push-plate 5 are coaxially arranged.
A kind of using method of fluid pressure type orange-peel grab, by earrings 2, orange-peel grab is connected with equipment, working solution pressure pipe on equipment is connected for orange-peel grab provides hydraulic energy with hydraulic cylinder 4, hydraulic cylinder 4 is stretched by hydraulic energy driving cylinder bar 6, telescopic drive push-plate 5 synchronizing moving of cylinder bar 6, the mobile of push-plate 5 drives all pawls 3 synchronously to carry out drawing in or disperseing, and realizes the crawl to article and release; Before crawl article, cylinder bar 6 is in contraction state, and push-plate 5 driving claw 3 carries out disperseing to enable crawled article enter in the crawl space of pawl 3 formation; When capturing article, hydraulic cylinder 4 driving cylinder bar 6 stretches out, and cylinder bar 6 drives push-plate 5 synchronizing moving, and the mobile driving claw 3 of push-plate 5 carries out drawing in and capturing article; When releasing, hydraulic cylinder 4 driving cylinder bar 6 shrinks, and the contraction of cylinder bar 6 drives push-plate 5 synchronizing moving, and push-plate 5 driving claw 3 carries out disperseing and discharged by article.
Compared with prior art, the present invention has following beneficial effect.
A kind of fluid pressure type orange-peel grab of the present invention controls the action of three pawls simultaneously by a Driven by Hydraulic Cylinder push-plate.One end of pawl of the present invention is connected with hinged disk, pawl is through the mounting hole on push-plate, push-plate can promote three pawls by mounting hole and draws in simultaneously and disperse, push-plate is fixed on the cylinder bar of hydraulic cylinder, the cylinder bar of hydraulic cylinder drives push-plate to move together stretching out, when retracting, and when the cylinder bar of hydraulic cylinder shrinks, the pawl dispersion of hydraulic orange-peel grab opens to prepare to capture or releasing, when the cylinder bar of hydraulic cylinder stretches out, the pawl of hydraulic orange-peel grab draws in and closes to capture article.
The present invention, by the combination of hydraulic cylinder and hinged disk and push-plate, only needs a hydraulic cylinder just can control to be three pawl synchronous workings, realizes opening and closing two actions of hydraulic orange-peel grab.Whole equipment only has a hydraulic cylinder to need fuel feeding, also no longer needs synchronous valve, and make the structure of hydraulic orange-peel grab simple, lightweight, be easy to control, cost is low.
[accompanying drawing explanation]
Fig. 1 is the structural representation of entirety of the present invention;
Fig. 2 is the structural representation of hinged disk of the present invention;
Fig. 3 is the structural representation of pawl of the present invention;
Fig. 4 is the structural representation of hydraulic cylinder of the present invention;
Fig. 5 is the structural representation of push-plate of the present invention;
Fig. 6 is the structural representation of hydraulic cylinder lever of the present invention.
Number in the figure represents: 1-hinged disk, 101-hinged disk pin-and-hole, 102-bolt, 103-first end face, 104-second end face, 2-earrings, 3-pawl, 301-connecting hole, 302-first joint, 303-second joint, 304-the 3rd joint, 4-hydraulic cylinder, 401-hydraulic cylinder flange connecting hole, 5-push-plate, 501-mounting hole, 502-cylinder lever attachment hole, 6-cylinder bar, 601-cylinder lever pin hole, 602-cylinder bar boss, 603-piston, 7-loculus hydraulic fluid port, 8-large chamber hydraulic fluid port, 9-nut, 10-pin.
[detailed description of the invention]
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figures 1 to 6, a kind of fluid pressure type orange-peel grab, be connected with equipment, driven by the hydraulic energy of this device and capture article, comprise hinged disk 1, pawl 3, hydraulic cylinder 4 and push-plate 5, described hydraulic cylinder 4, hinged disk 1 and push-plate 5 are coaxially arranged, first end face 103 of described hinged disk 1 is connected with equipment, second end face 104 of hinged disk 1 is fixedly connected with the fixed end of hydraulic cylinder 4 cylinder body, one end and the hinged disk 1 of described pawl 3 are hinged, the other end of pawl 3 bends towards the axis direction of hinged disk 1 perpendicular end surface, circumference along hinged disk 1 is distributed with three pawls 3, described push-plate 5 is fixedly installed on the free end of hydraulic cylinder 4 cylinder bar 6, push-plate 5 offers the hole passed freely through for pawl 3, push-plate 5 is located on pawl 3 by this borehole jack, undertaken drawing in or disperseing by the mobile control claw 3 of push-plate 5.
First end face 103 of described hinged disk 1 is fixedly installed earrings 2, and hinged disk 1 is connected with equipment by earrings 2.
Second end face 104 of described hinged disk 1 is fixedly installed bolt 102, bolt 102 is equipped with nut 9, the fixed end of hydraulic cylinder 4 cylinder body is flange, this flange offers the hydraulic cylinder flange connecting hole 401 passed for bolt 102, hinged disk 1 is fixedly connected with nut 9 by bolt 102 with hydraulic cylinder 4.
Described pawl 3 comprises the first joint 302, second joint 303 and the 3rd joint 304 successively, and at an angle, free end and the hinged disk 1 in the first joint 302 are hinged for the first described joint 302 and the axes intersect of second joint 303; The 3rd described joint 304 is arranged on the end of second joint 303 free end, and the free end of described second joint is arranged towards the axis direction of hinged disk 1 perpendicular end surface.
In obtuse angle, when hydraulic orange-peel grab opens completely, the axis of described second joint 303 is parallel to each other for the first described joint 302 and the axes intersect of second joint 303.
Waist-shaped hole 501 is selected in the hole supplying pawl 3 to pass freely through that described push-plate 5 is offered, and push-plate 5 is set on the first joint 302 of pawl 3 by waist-shaped hole 501.
Described hinged disk 1 and push-plate 5 select triadius type structure; the hinged pawl 3 in end of each fork of hinged disk 1; each fork of push-plate 5 is offered a hole passed freely through for pawl 3; on this place, hole distribution radius of a circle and hinged disk 1, the hinge finger 3 pin joint place radius of a circle that distributes varies in size, and is undertaken drawing in or disperseing by the mobile control claw 3 of push-plate 5.
The course of work of this fluid pressure type orange-peel grab, by earrings 2, orange-peel grab is connected with equipment, working solution pressure pipe on equipment is connected for orange-peel grab provides hydraulic energy with hydraulic cylinder 4, hydraulic cylinder 4 is stretched by hydraulic energy driving cylinder bar 6, telescopic drive push-plate 5 synchronizing moving of cylinder bar 6, the mobile of push-plate 5 drives all pawls 3 synchronously to carry out drawing in or disperseing, and realizes the crawl to article and release; Before crawl article, cylinder bar 6 is in contraction state, and push-plate 5 driving claw 3 carries out disperseing to make in the crawled crawl space that can enter pawl 3 formation; When capturing article, hydraulic cylinder 4 driving cylinder bar 6 stretches out, and cylinder bar 6 drives push-plate 5 synchronizing moving, and the mobile driving claw 3 of push-plate 5 carries out drawing in and capturing article; When releasing, hydraulic cylinder 4 driving cylinder bar 6 shrinks, and the contraction of cylinder bar 6 drives push-plate 5 synchronizing moving, and push-plate 5 driving claw 3 carries out disperseing and discharged by article.
The present invention is further illustrated below.
The present invention uses a hydraulic cylinder to control the action of three pawls simultaneously, and its structure as shown in Figure 1, comprises hinged disk 1, earrings 2, pawl 3, push-plate 5, hydraulic cylinder 4, hydraulic cylinder 4 comprise cylinder bar 6, loculus hydraulic fluid port 7 and large chamber hydraulic fluid port 8, nut 9, pin 10.
Hinged disk 1 is triadius type structure, and as shown in Figure 2, its each fork offers U-lag, the side of U-type groove offers hinged disk pin-and-hole 101, each fork connects pawl 3 one end with connecting hole 301 respectively.
Whole hydraulic orange-peel grab is connected with hydraulic crawler excavator by earrings 2, and earrings 2 is general hydraulic digger operating device bindiny mechanism size, to improve versatility of the present invention, dismounting convenience.Earrings 2 and hinged disk 1 are integral type structure, fluid pressure type orange-peel grab is in the process captured and carry, earrings 2 place's under tension and curved power, tensile stress and flexural stress is had in earrings 2 and hinged disk 1 junction, earrings 2 and hinged disk 1 are made of one formula structure, and there is in contact position rounding to concentrate to reduce stress, make total more solid and reliable.
As shown in Figure 2, first end face 103 of hinged disk 1 arranges earrings 2, and the second end face 104 arranges bolt 102, and bolt 102 has 4, coordinate with nut 9, for fixer cylinder pressure 4, bolt 102 and hinged disk 1 are integral type structure, such structure design, avoid and make a call to the intensity that 4 through holes reduce hinged disk 1 on hinged disk 1, also avoid the installation of the structure of the earrings 2 affected on the first end face 103 and whole fluid pressure type orange-peel grab, make whole mechanism compact, supporting capacity is strong.
Hydraulic orange-peel grab is when work, and pawl 3 directly contacts with target, and such as, when grabbing stone, waste metal etc., the power be indirectly applied on pawl 3 by actuating unit is captured.The power that pawl 3 bears is large, and be forged steel material, its intensity is high.Pawl 3 is curved shape, and as shown in Figure 3, the bent angle in second joint 303 and the first joint 302 is 150 degree, and pawl end the 3rd joint 304 and second joint 303 have less radian, and end the 3rd joint 304 length of pawl 3 is short and be sharpened.The structure design of described pawl 3 has three advantages: the first, has enough grasps when can ensure the work of fluid pressure type orange-peel grab, and manipulating object is not come off from hydraulic orange-peel grab opening part; The second, when cylinder bar 6 is retracted completely, when namely fluid pressure type orange-peel grab opening is maximum the second joint 303 of three pawls be parallel to each other to ensure three pawls can simultaneously can and horizontal plane so that smooth when capturing; 3rd, the end of pawl 3 is fined away, reduces incision resistance, pawl 3 is more easily cut.
The mounting means of hydraulic cylinder has flange-type, bearing pin type, earrings type, base type, bulb-shaped etc.Hydraulic cylinder 4 of the present invention adopts flange form to install.Hinged disk 1 has enough installing spaces, and therefore hydraulic cylinder 4 flange is afterbody outward flange, flange is along the circumferential direction evenly arranged 4 hydraulic cylinder flange connecting holes 401.Structure as shown in Figure 4.Said structure designs, and has two advantages: the first, is just avoided that the barrel of hydraulic cylinder 4 afterbody is thick especially beats screwed hole by afterbody outward flange fixer cylinder pressure 4; The second, the nut 9 of fixer cylinder pressure 4 is exposed on the outside, and is convenient to install, dismounting, maintenance.
Two hydraulic fluid ports on hydraulic cylinder 4 and loculus hydraulic fluid port 7 and large chamber hydraulic fluid port 8 are arranged as shown in Figure 4, and large chamber hydraulic fluid port 8 connects the large chamber of hydraulic cylinder 4, i.e. rodless cavity, and loculus hydraulic fluid port 7 connects the loculus of hydraulic cylinder 4, i.e. rod chamber.Hydraulic oil enters hydraulic cylinder 4 from large chamber hydraulic fluid port 8, and cylinder bar 6 stretches out; Hydraulic oil enters hydraulic cylinder 4 from loculus hydraulic fluid port 7, and cylinder bar 6 is retracted.The cross-sectional area of rodless cavity is greater than the cross-sectional area of rod chamber, when rodless cavity and the rod chamber of hydraulic cylinder 4 introduced by the hydraulic oil of same pressure, the active force of rodless cavity is larger, according to above-mentioned feature, when selecting cylinder bar 6 to stretch out, hydraulic orange-peel grab draws in closed, and when cylinder bar 6 is retracted, hydraulic orange-peel grab dispersion is opened.
As shown in Figure 5, push-plate 5 is also triadius type structure to push-plate 5 structure, each fork has a mounting hole 501.The width of mounting hole 501 and two ends half diameter of a circle, slightly larger than the diameter of pawl 3, not easily block when such physical dimension design makes pawl 3 move in mounting hole 501.The gathering of hydraulic orange-peel grab closes and is that the inwall of mounting hole 501 and pawl 3 rub and driving pawl 3 to rotate around pin 10 and realizes with disperseing to open.The circular arc place at mounting hole 501 two ends is subject to very large frictional force, therefore adds a copper sheathing at mounting hole 501 inwall.Little and the hardness of copper of the friction factor of copper and steel is less than the hardness of pawl 3, after copper sheathing is worn and lost efficacy in the friction pair of copper and steel, changes copper sheathing.
Push-plate 5 is fixed on cylinder bar 6, and fixed form as shown in Figure 1.The cylinder lever attachment hole 502 of a kidney-shaped is had in push-plate 5 center, the top of cylinder bar 6 is through mounting hole 501, and limiting maximum displacement by cylinder bar boss 602, the end of cylinder bar 6 has cylinder lever pin hole 601, can limit cylinder bar 6 exit from the mounting hole 501 of push-plate 5 by pin.
Cylinder bar 6 structure as shown in Figure 6, on cylinder bar 6 be piston 603 for connecting the relative other end of push-plate 5, hydraulic cylinder 4 inner chamber is divided into two parts by piston 603, i.e. rod chamber and rodless cavity.Hydraulic oil acts on piston cross-section by loculus hydraulic fluid port 7 or large chamber hydraulic fluid port 8, promotes cylinder bar 6 and moves in hydraulic cylinder 4.
As shown in Figure 1, connected mode is as described below for overall structure of the present invention: the connecting hole 301 of pawl 3 is identical with hinged disk pin-and-hole 101 diameter of hinged disk 1, is connected by pin 10.Pawl 3 can rotate around pin 10 on hinged disk 1, and pawl 3 is through the mounting hole 501 on push-plate 5, and mounting hole 501 can draw in or disperse by driving pawl 3.Cylinder lever attachment hole 502 is passed from the one side of push-plate 5 in the top of cylinder bar 6, at the another side of push-plate 5, with pin through cylinder lever pin hole 601, just realizes push-plate 5 and is connected with cylinder bar 6.When cylinder bar 6 stretches out, cylinder bar boss 602 promotes push-plate 5 and moves downward; When cylinder bar 6 is retracted, the pin restriction cylinder bar 6 through cylinder lever pin hole 601 exits from cylinder lever attachment hole 502, pulls push-plate 5 to move upward.Stretch out at cylinder bar 6, retraction movement time push-plate 5 move together, when cylinder bar 6 stretches out, hydraulic orange-peel grab dispersion is opened, and when cylinder bar 6 is retracted, hydraulic orange-peel grab draws in closed.
After being assembled according to the method described above by whole hydraulic orange-peel grab, by earrings 2, whole device is connected to equipment as the junction on hydraulic excavating.On loculus hydraulic fluid port 7 on the hydraulic cylinder 4 that two hydraulic fluid ports that excavator is drawn are received respectively and large chamber hydraulic fluid port 8.On operation hydraulic crawler excavator, corresponding action bars, is hydraulic orange-peel grab fuel feeding.When pressure oil enters the large chamber of hydraulic cylinder 4 from large chamber hydraulic fluid port 8, cylinder bar 6 stretches out, and promotes push-plate 5 and moves downward, and on push-plate 5, the inwall of mounting hole 501 promotes three pawls and draws in, and hydraulic orange-peel grab closes; When pressure oil enters hydraulic cylinder from loculus hydraulic fluid port 7, cylinder bar 6 is retracted, and pulls push-plate 5 to move upward, and on push-plate 5, the inwall of mounting hole 501 promotes three pawls and opens, and hydraulic orange-peel grab opens.By regulating the bucket cylinder of hydraulic crawler excavator, the angle of hydraulic orange-peel grab can be regulated, to complete the operations such as crawl, carrying smoothly.The present invention passes through the combination of hydraulic cylinder 4 and hinged disk 1 and push-plate 5, and only need a hydraulic cylinder just can control three pawl opening and closing, structure is simple, lightweight, and be easy to control, cost is low.
The present invention, by the combination of hydraulic cylinder and hinged disk and push-plate, only needs a hydraulic cylinder just can control to be three pawls, realizes hydraulic orange-peel grab opening and closing two actions.Whole equipment only has a hydraulic cylinder to need fuel feeding, also no longer needs synchronous valve, and make the structure of hydraulic orange-peel grab simple, lightweight, be easy to control, cost is low.
Claims (9)
1. a fluid pressure type orange-peel grab, be connected with equipment, driven by the hydraulic energy of this device and capture article, it is characterized in that, comprise hinged disk (1), pawl (3), hydraulic cylinder (4) and push-plate (5), first end face (103) of described hinged disk (1) is connected with equipment, second end face (104) of hinged disk (1) is fixedly connected with the fixed end of hydraulic cylinder (4) cylinder body, one end and the hinged disk (1) of described pawl (3) are hinged, the other end of pawl (3) bends towards the axis direction of hinged disk (1) perpendicular end surface, circumference along hinged disk (1) is distributed with several pawls (3), described push-plate (5) is fixedly installed on the free end of hydraulic cylinder (4) cylinder bar (6), push-plate (5) offers the hole passed freely through for pawl (3), push-plate (5) is located on pawl (3) by this borehole jack, undertaken drawing in or disperseing by the mobile control claw (3) of push-plate (5).
2. a kind of fluid pressure type orange-peel grab according to claim 1, it is characterized in that, first end face (103) of described hinged disk (1) is fixedly installed earrings (2), and hinged disk (1) is connected with equipment by earrings (2).
3. a kind of fluid pressure type orange-peel grab according to claim 1, it is characterized in that, second end face (104) of described hinged disk (1) is fixedly installed bolt (102), bolt (102) is equipped with nut (9), the fixed end of hydraulic cylinder (4) cylinder body is flange, this flange offers the hydraulic cylinder flange connecting hole (401) passed for bolt (102), hinged disk (1) is fixedly connected with nut (9) by bolt (102) with hydraulic cylinder (4).
4. a kind of fluid pressure type orange-peel grab according to claim 1, it is characterized in that, described pawl (3) comprises the first joint (302), second joint (303) and the 3rd joint (304) successively, at an angle, free end and the hinged disk (1) of the first joint (302) are hinged for the axes intersect of described the first joint (302) and second joint (303); The 3rd described joint (304) is arranged on the end of second joint (303) free end, and the free end of described second joint (303) is arranged towards the axis direction of hinged disk (1) perpendicular end surface.
5. a kind of fluid pressure type orange-peel grab according to claim 4, it is characterized in that, the axes intersect of described the first joint (302) and second joint (303) in obtuse angle, when hydraulic orange-peel grab opens completely, the axis of described second joint (303) is parallel to each other.
6. a kind of fluid pressure type orange-peel grab according to claim 1 or 4, it is characterized in that, waist-shaped hole (501) is selected in the hole supplying pawl (3) to pass freely through that described push-plate (5) is offered, and push-plate (5) is set on first joint (302) of pawl (3) by waist-shaped hole (501).
7. a kind of fluid pressure type orange-peel grab according to claim 1; it is characterized in that; described hinged disk (1) and push-plate (5) select triadius type structure; the hinged pawl (3) in end of hinged disk (1) each fork; each fork of push-plate (5) is offered a hole passed freely through for pawl (3); this place, hole distribution radius of a circle and hinged disk (1) are gone up hinge finger (3) the pin joint place radius of a circle that distributes and are varied in size, and are undertaken drawing in or disperseing by the mobile control claw (3) of push-plate (5).
8. a kind of fluid pressure type orange-peel grab according to claim 1, is characterized in that, described hydraulic cylinder (4), hinged disk (1) and push-plate (5) are coaxially arranged.
9. the using method of a kind of fluid pressure type orange-peel grab according to claim 1, it is characterized in that, by earrings (2), orange-peel grab is connected with equipment, working solution pressure pipe on equipment is connected for orange-peel grab provides hydraulic energy with hydraulic cylinder (4), hydraulic cylinder (4) is stretched by hydraulic energy driving cylinder bar (6), telescopic drive push-plate (5) synchronizing moving of cylinder bar (6), the mobile of push-plate (5) drives all pawls (3) synchronously to carry out drawing in or disperseing, and realizes the crawl to article and release; Before crawl article, cylinder bar (6) is in contraction state, in push-plate (5) driving claw (3) carry out disperseing enabling crawled article to enter crawl space that pawl (3) formed; When capturing article, hydraulic cylinder (4) driving cylinder bar (6) stretches out, cylinder bar (6) drives push-plate (5) synchronizing moving, and the mobile driving claw (3) of push-plate (5) carries out drawing in and capturing article; When releasing, hydraulic cylinder (4) driving cylinder bar (6) shrinks, the contraction of cylinder bar (6) drives push-plate (5) synchronizing moving, and push-plate (5) driving claw (3) carries out disperseing and discharged by article.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510933966.5A CN105421508A (en) | 2015-12-14 | 2015-12-14 | Hydraulic grab device and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510933966.5A CN105421508A (en) | 2015-12-14 | 2015-12-14 | Hydraulic grab device and application method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105421508A true CN105421508A (en) | 2016-03-23 |
Family
ID=55500019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510933966.5A Pending CN105421508A (en) | 2015-12-14 | 2015-12-14 | Hydraulic grab device and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105421508A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292608A (en) * | 2018-12-04 | 2019-02-01 | 大连升隆机械有限公司 | A kind of card wheel excircle sling applied to solid wheel |
| CN113771060A (en) * | 2021-09-27 | 2021-12-10 | 季华实验室 | Clamping mechanism and multi-fruit rapid picking robot |
| CN117620056A (en) * | 2023-11-29 | 2024-03-01 | 广东天崇精密机械有限公司 | Aluminum product cold forging equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1280086A1 (en) * | 1985-03-11 | 1986-12-30 | Центральный Научно-Исследовательский И Проектно-Конструкторский Институт Проходческих Машин И Комплексов Для Угольной,Горной Промышленности И Подземного Строительства | Multiblade entry-driving grab |
| CN201102861Y (en) * | 2007-10-10 | 2008-08-20 | 宝钢集团上海第一钢铁有限公司 | Lotus leaf valve type grab bucket |
| CN201495021U (en) * | 2009-09-24 | 2010-06-02 | 浙江昌泰科技股份有限公司 | Automatic diameter-changing lifting tool |
| CN202465022U (en) * | 2012-01-17 | 2012-10-03 | 成都大宏立机器制造有限公司 | Hoisting tool |
| CN202831014U (en) * | 2012-05-27 | 2013-03-27 | 王庆虎 | Novel intelligent grab bucket |
| CN103130093A (en) * | 2011-11-25 | 2013-06-05 | 刘慢慢 | Novel grab bucket special for paper plant |
| CN104477767A (en) * | 2014-12-04 | 2015-04-01 | 唐山瑞思可节能技术有限公司 | Axial parallel four-claw grabber |
| CN204384717U (en) * | 2014-12-04 | 2015-06-10 | 唐山瑞思可节能技术有限公司 | Axially parallel four paws grabber |
| CN205224136U (en) * | 2015-12-14 | 2016-05-11 | 长安大学 | Fluid pressure type nipper ware |
-
2015
- 2015-12-14 CN CN201510933966.5A patent/CN105421508A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1280086A1 (en) * | 1985-03-11 | 1986-12-30 | Центральный Научно-Исследовательский И Проектно-Конструкторский Институт Проходческих Машин И Комплексов Для Угольной,Горной Промышленности И Подземного Строительства | Multiblade entry-driving grab |
| CN201102861Y (en) * | 2007-10-10 | 2008-08-20 | 宝钢集团上海第一钢铁有限公司 | Lotus leaf valve type grab bucket |
| CN201495021U (en) * | 2009-09-24 | 2010-06-02 | 浙江昌泰科技股份有限公司 | Automatic diameter-changing lifting tool |
| CN103130093A (en) * | 2011-11-25 | 2013-06-05 | 刘慢慢 | Novel grab bucket special for paper plant |
| CN202465022U (en) * | 2012-01-17 | 2012-10-03 | 成都大宏立机器制造有限公司 | Hoisting tool |
| CN202831014U (en) * | 2012-05-27 | 2013-03-27 | 王庆虎 | Novel intelligent grab bucket |
| CN104477767A (en) * | 2014-12-04 | 2015-04-01 | 唐山瑞思可节能技术有限公司 | Axial parallel four-claw grabber |
| CN204384717U (en) * | 2014-12-04 | 2015-06-10 | 唐山瑞思可节能技术有限公司 | Axially parallel four paws grabber |
| CN205224136U (en) * | 2015-12-14 | 2016-05-11 | 长安大学 | Fluid pressure type nipper ware |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292608A (en) * | 2018-12-04 | 2019-02-01 | 大连升隆机械有限公司 | A kind of card wheel excircle sling applied to solid wheel |
| CN113771060A (en) * | 2021-09-27 | 2021-12-10 | 季华实验室 | Clamping mechanism and multi-fruit rapid picking robot |
| CN117620056A (en) * | 2023-11-29 | 2024-03-01 | 广东天崇精密机械有限公司 | Aluminum product cold forging equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201835305U (en) | Novel hydraulic full circle swinging gripper device | |
| CN202609821U (en) | Fixed timber grab | |
| CN101781970A (en) | Steel wire rope guide device used for rotary drilling rig and rotary drilling rig | |
| CN105421508A (en) | Hydraulic grab device and application method thereof | |
| CN110722580B (en) | Multifunctional combined paw of underwater mechanical arm and working method thereof | |
| CN106219421B (en) | A kind of multi-stage expansion mechanism and engineering machinery | |
| CN115538510B (en) | Working arm and engineering machinery vehicle | |
| CN200940273Y (en) | Quick exchanging device of working machinery of miniature hydraulic excavator or loader-digger | |
| CN101161574A (en) | Double-power stripping and installing machine | |
| CN115387789A (en) | Working arm and engineering machinery vehicle | |
| CN205224136U (en) | Fluid pressure type nipper ware | |
| CN201095772Y (en) | Hydraulic excavator working device | |
| CN201546246U (en) | Novel digging mechanism for loader-digger | |
| CN106869976B (en) | Full-automatic tunnel anchor rod installation equipment | |
| CN203559484U (en) | Rotating scissor-type mechanical arm desilting mechanism | |
| CN105480879A (en) | Telescopic multifunctional intelligent operation arm | |
| CN202730821U (en) | Fast connector | |
| CN201534329U (en) | Manipulator of cable car for lifting cable on retaining wall | |
| CN204826186U (en) | Special grab bucket device of sewer scrubbing | |
| KR20090061357A (en) | Excavator with double blade | |
| CN211523212U (en) | Pile driving and drawing machine | |
| CN2579759Y (en) | Integrated dismounting machine for repairing hook of railway vehicle station | |
| CN2937069Y (en) | Hydraulic full drive fast expansion cantilever crane for self-running electric station | |
| CN102561424B (en) | Three-freedom-degree connection rod working device for heavy load | |
| CN204589324U (en) | A kind of cleaning dregs system of fishing for function with level |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20190326 |