CN106065638B - Hydraulic grab and construction of diaphragm wall equipment - Google Patents
Hydraulic grab and construction of diaphragm wall equipment Download PDFInfo
- Publication number
- CN106065638B CN106065638B CN201610048287.4A CN201610048287A CN106065638B CN 106065638 B CN106065638 B CN 106065638B CN 201610048287 A CN201610048287 A CN 201610048287A CN 106065638 B CN106065638 B CN 106065638B
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- Prior art keywords
- grab bucket
- grab
- bucket body
- hydraulic
- drive mechanism
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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
- B66C3/04—Tine grabs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
- B66C3/14—Grabs opened or closed by driving motors thereon
- B66C3/16—Grabs opened or closed by driving motors thereon by fluid motors
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- 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 present invention relates to a kind of hydraulic grab and construction of diaphragm wall equipment, wherein hydraulic grab includes body, slide mechanism, connecting rod and grab bucket body, wherein slide mechanism is arranged on body, and can vertically be moved up and down relative to body, grab bucket body is connected by connecting rod with slide mechanism, to constitute crank block slider structure, grab bucket body can be rotated around grab bucket body under the drive of slide mechanism with the fixing point of body, also include actively drive mechanism a little, actively drive mechanism can apply driving force to grab bucket body a little, so that grab bucket body produces micro breadth oscillation or the swing of active.The present invention is by setting actively drive mechanism a little, enable to grab bucket body by the way that actively the effect of drive mechanism produces micro breadth oscillation or the swing of active a little, when body of grabbing bucket prepares to invade operation medium, grab bucket in micro breadth oscillation or swing state know from experience will be located at grab bucket body left and right side operation medium dial from, increase depth of invasion, improve crawl operating efficiency.
Description
Technical field
Set the present invention relates to underground construction field of mechanical technique, more particularly to a kind of hydraulic grab and construction of diaphragm wall
It is standby.
Background technology
Continuous wall hydraulic grab equipment belongs to typical crank slider arrangement, and it utilizes Hydraulic Cylinder sliding block edge
Body to slide up and down, and the intermal force for passing through linkage, finally realize opening and closure for crank mechanism (grab bucket body)
Motion, the crawl operation of granular media is completed with this.According in grab bucket body motion process, each feature is different, can be divided into three ranks
Section：Deadweight intrusion stage, hydraulic pressure close bucket stage and a bucket discharging phase.
In the deadweight intrusion stage, symmetrical left and right grab bucket body is flared to maximum angle under hydraulic system effect, and in liquid
Pressure grab bucket self gravitation and less falling impacts power are invaded in operation medium under acting on；Closed the bucket stage in hydraulic pressure, it is left and right
Grab bucket body hydraulic-driven effect under realize close bucket motion, and the medium that fulfils assignment grasping movement；In a bucket discharging phase, dress
The grab bucket body of full granular media is promoted to ground, and grab bucket body is flared to maximum and realizes discharging under hydraulic system effect.
From described above, continuous wall hydraulic grab is invaded in operation medium by self gravitation and smaller impulsive force
Portion.In whole invasion procedure, medium reaction force is increasing, grab bucket body falling speed is gradually reduced；When the reaction of medium
When power is equal with its own gravity, bucket body stops moving downward, and invasion procedure terminates.In whole invasion procedure, due to lacking
A kind of mechanism for promoting interaction force dynamically to reduce, so depth of invasion is shallower, and then causes follow-up crawl operating efficiency
It is not high.
For continuous wall hydraulic grab efficiency of construction Upgrade Problem, in the prior art in the presence of following improvement project：
1) weight is increased：Weight is added in the cavity of grab bucket body, is grabbed with increasing under the premise of holding equipment volume is constant
Bucket weight, realizes hydraulic grab construction operation improved efficiency.
2) elastic vibration captures technology a little：As shown in figure 1, forming bullet a little by increasing elastic device in frame
Property vibrational system, improve the stress of bucket tooth using the micro-swinging of body of grabbing bucket, so as to increase the depth of intrusion, and then improve
The construction operation efficiency of equipment.
But, the mode for increasing weight is taken, high cost, effect is not notable；Using the elasticity a little for increasing elastic device
Vibration crawl technology, substantially a kind of passive micro-vibration crawl technology, the frequency of its micro-vibration, amplitude and duration are all
Smaller, crawl efficiency improves not notable.
The content of the invention
The purpose of the present invention is to propose to a kind of hydraulic grab and construction of diaphragm wall equipment, to improve grabbing for hydraulic grab
Take efficiency.
To achieve the above object, the invention provides a kind of hydraulic grab, including body, slide mechanism, connecting rod and grab bucket
Body, wherein the slide mechanism is arranged on the body, and can vertically move up and down relative to the body, institute
State grab bucket body to be connected with the slide mechanism by the connecting rod, to constitute crank-sliding block structure, the grab bucket body can be in institute
The fixing point under the drive of slide mechanism around the grab bucket body and the body is stated to rotate, also including actively drive mechanism a little,
Drive mechanism can apply driving force to the grab bucket body a little for the active, so that the grab bucket body produces shaking a little for active
Dynamic or swing.
Further, drive mechanism is vibrating device a little for the active, and the vibrating device is installed on the body,
And be connected with the slide mechanism, the vibrating device is used to drive the slide mechanism to move, and the vibrating device has and shakes
Dynamic model formula and non-vibration pattern, when the grab bucket body prepares to invade operation medium, the vibration mode is opened, the vibration dress
Put and drive the connecting rod and the grab bucket body to produce micro-swinging by making the slide mechanism produce vibration.
Further, the vibrating device is vibrating hydraulic cylinder.
Further, also including grab bucket bearing, the grab bucket body is hinged on the grab bucket bearing, and the active is driven a little
Motivation structure includes movement parts and drive mechanism, and the movement parts and the drive mechanism are arranged on the grab bucket bearing, described
The outward flange of movement parts abuts with the grab bucket body, and the grab bucket body generation is squeezed in the presence of the drive mechanism
Pressure, to drive the grab bucket body micro-swinging.
Further, the movement parts are cam, and the drive mechanism is hydraulic motor, the outward flange of the cam and institute
State grab bucket body to abut, and rotated under the driving effect of the hydraulic motor.
Further, the movement parts be sliding block, the drive mechanism be hydraulic cylinder, the outward flange of the sliding block with it is described
Grab bucket body is abutted, and is moved under the driving effect of the hydraulic cylinder.
Further, the grab bucket bearing is provided with groove, and the sliding block is arranged in the groove, and along the groove
Length direction motion.
Further, the length direction of the groove is vertical direction.
Further, the sliding block is round slider.
To achieve the above object, grabbed present invention also offers a kind of construction of diaphragm wall equipment, including above-mentioned hydraulic pressure
Bucket.
Based on above-mentioned technical proposal, the present invention is by setting actively drive mechanism a little so that grab bucket body can be by master
The effect of dynamic drive mechanism a little produces micro breadth oscillation or the swing of active, when body of grabbing bucket prepares to invade operation medium, is in
The grab bucket of micro breadth oscillation or swing state know from experience will be located at grab bucket body left and right side operation medium dial from so that grab bucket body
Stress maximum point is remained at the crown of grab bucket body, and the lifting surface area of existing structure is the bucket tooth left and right side of grab bucket body
And crown, the lifting surface area of body of being grabbed bucket in the present invention is only crown, therefore lifting surface area is strongly reduced, and hydraulic grab can be in original
Come on the basis of depth of invasion to continue to invade downwards, the stress more than is contrasted, after introducing actively drive mechanism a little,
The stress at the bucket tooth of grab bucket body can be substantially improved, intrusion depth of the hydraulic grab in the deadweight intrusion stage is significantly increased
Degree, and then improve the crawl operating efficiency of whole system.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of hydraulic grab in the prior art using elastic device.
Fig. 2 is the structural representation of hydraulic grab one embodiment of the present invention.
Fig. 3 is the structural representation of grab bucket body in hydraulic grab one embodiment of the present invention.
Fig. 4 is the structural representation of hydraulic grab one embodiment further groove of the present invention.
Fig. 5 is the structural representation of another embodiment of hydraulic grab of the present invention.
Fig. 6 is the structural representation of hydraulic grab further embodiment of the present invention.
In figure：A1- bodies, a2- hydraulic jacks, a3- slide mechanisms, a4, a10- connecting rod, a5, a8- limited block, a6, a7-
Grab bucket body, a9- grab bucket bearings, a11- elastic devices；
1- bodies, 2- actively drive mechanisms a little, 3- slide mechanisms, 4,10- connecting rods, 5,8- limited blocks, 6,7- grab bucket bodies,
9- grab bucket bearings；
61- arcs, base plate in 62-, 63- noseplates, 64- side plates, 65- bucket tooths, 66- side plates, 67- limiting plates, 68,
69- hinge holes；
31- grooves, 32- sliding blocks, 33- hydraulic cylinders, 34- cams.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is clearly and completely retouched
State.Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Bright embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " transverse direction ", " longitudinal direction ", "front", "rear",
"left", "right", " on ", D score, " vertical ", " level ", " top ", " bottom ", " interior ", the orientation of the instruction such as " outward " or position relationship be
Based on orientation shown in the drawings or position relationship, it is for only for ease of and describes the present invention and simplify to describe, rather than instruction or dark
Showing the device or element of meaning must have specific orientation, with specific azimuth configuration and operation therefore it is not intended that right
The limitation of the scope of the present invention.
As described in the background art like that, there are a kind of elastic vibration crawl technology, the technology a little in the prior art
The structure that is formed as shown in figure 1, first with reference to Fig. 1 this crawl technology of elastic vibration a little is described in detail herein and
Analysis.
The continuous wall grab includes：Body a1, hydraulic jack a2, slide mechanism a3, grab bucket bearing a9 and grab bucket body a6,
A7, slide mechanism a3 are located at the inner space of body a1, and being capable of in the vertical direction slip, body of grabbing bucket relative to body a1
A6, a7 are hinged on grab bucket bearing a9, and are connected by connecting rod a4, a10 and slide mechanism a3, and slide mechanism a3 is by hydraulic jack
A2 is driven, and grab bucket body a6, a7, slide mechanism a3 and connecting rod a4, a10 form equivalent crank slider arrangement, body a1
Elastic device a11 is additionally provided between grab bucket bearing a9, it is micro- that body a1, elastic device a11 and grab bucket bearing a9 collectively form one
Width elastic oscillating system, makes grab bucket body a6, a7 micro-swingings when continuous wall grab is constructed.In addition, also dividing on grab bucket body a6, a7
Limited block a5, a8 of limitation grab bucket body maximum opening angle are not provided with.
The continuous wall grab mainly forms elastic oscillating system a little by increasing elastic device in frame, by bullet
Property device produce slight amplitude cyclically-varying, and then cause grab bucket body produce slight amplitude swing, this swing essence
On be passive type, and the frequency of its micro-vibration, amplitude and duration all very littles, although crawl efficiency does not increase bullet
The structure of property device increases, but effect is not notable.Although in addition, referring to that elastic device also may be used in the continuous wall grab
To be at least one active elastic controlling organization, such as hertz oscilltor etc., but this merely provides a kind of imagination, specifically
How to be applied in engineering practice and be not directed to, also do not form enforceable scheme in engineering.
Based on problem above, the present invention proposes that a kind of body that can cause to grab bucket produces active micro breadth oscillation or swing
Scheme.As shown in Fig. 2 being the structural representation of hydraulic grab one embodiment of the present invention.The hydraulic grab includes body 1, slides
Motivation structure 3, connecting rod 4,10 and grab bucket body 6,7, wherein the slide mechanism 3 is arranged on the body 1, and can be relative to institute
State body 1 vertically to move up and down, the grab bucket body 6,7 is connected by the connecting rod 4,10 with the slide mechanism 3, with
Composition the structure of crank-sliding block 32, the grab bucket body 6,7 can under the drive of the slide mechanism 3 around it is described grab bucket body 6,7 with
The fixing point of the body 1 is rotated.The hydraulic grab also includes actively drive mechanism 2 a little, active drive mechanism 2 a little
Driving force can be applied to the grab bucket body 6,7, so that the grab bucket body 6,7 produces micro breadth oscillation or the swing of active.
Above-described embodiment is by setting actively drive mechanism a little so that grab bucket body can be by actively drive mechanism a little
Effect produce active micro breadth oscillation or swing, grab bucket body prepare invade operation medium when, in micro breadth oscillation or swing
The grab bucket of state know from experience will be located at grab bucket body left and right side operation medium dial from so that the stress maximum point of grab bucket body is all the time
It is maintained at the crown of grab bucket body, the lifting surface area of existing structure is bucket tooth left and right side and the crown of grab bucket body, the present invention
The lifting surface area of middle grab bucket body is only crown, therefore lifting surface area is strongly reduced, and hydraulic grab can be in the base of original depth of invasion
Continue to invade downwards on plinth, the stress more than is contrasted, and after introducing actively drive mechanism a little, can be substantially improved and be grabbed
Stress at the bucket tooth of bucket body, is significantly increased depth of invasion of the hydraulic grab in the deadweight intrusion stage, and then improve whole
The crawl operating efficiency of system.By way of actively drive mechanism makes grab bucket body produce active vibration or swing a little, its
Vibration frequency and amplitude can be bigger, and the duration can be captured efficiency and improved notable with longer.
The concrete structure of grab bucket body 6,7 is as shown in figure 3, specifically include arc 61, middle base plate 62, the preceding bottom for constituting bucket body
Plate 63 and two side plates 64 being parallel to each other, are connected with multiple bucket tooths 65, in two side plates on middle base plate 62 and noseplate 63
The position of the vertical direction on 64 corresponding to noseplate 63 can also be respectively and fixedly connected with two side plates 66, can also be in two side plates 64
Between set round steel (not shown), can play a part of strengthen grab bucket body intensity.Can also be respectively on two side plates 64
The limiting plate 67 of limitation grab bucket body maximum opening angle is provided with, limiting plate 67 can together be limited with the limited block 5,8 in Fig. 2 and grabbed
The maximum opening angle of bucket body, and realize knocking the effect of material in discharge process.In grab bucket body and the hinge hole of grab bucket bearing
Axle sleeve and ring flat-plate can also be set on 68 (pin shaft holes), for strengthening the intensity of pin shaft hole, in grab bucket body and the hinge hole of connecting rod
Axle sleeve and ring flat-plate can also be set on 69 (pin shaft holes), for strengthening the intensity of pin shaft hole.
In the first embodiment of the present invention, as shown in Fig. 2 the active a little drive mechanism 2 be vibrating device, it is described
Vibrating device is installed on the body 1, and is connected with the slide mechanism 3, and the vibrating device is used to drive the slip
Mechanism 3 moves, and the vibrating device has vibration mode and non-vibration pattern, prepares to invade operation Jie in the grab bucket body 6,7
During matter, the vibration mode is opened, the vibrating device driven by making the slide mechanism 3 produce vibration the connecting rod 4,
10 and it is described grab bucket body 6,7 produce micro-swinging.
For the control of vibrating device, can flexibly be selected according to actual needs.Such as, can be accurate in grab bucket body 6,7
During standby intrusion operation medium, vibrating device is artificially adjusted to vibration mode；Controller can also be set, arrived in system detectio
When grab bucket body 6,7 prepares to invade operation medium, control vibrating device is automatically into vibration mode etc..For being provided with controller
Scheme, can also in the controller set various vibration modes with different vibration frequencies, amplitude or duration, with basis
It is actually needed and is selected, strengthens the applicability of hydraulic grab.
Preferably, the vibrating device is vibrating hydraulic cylinder.The vibrating hydraulic cylinder is connected with slide mechanism 3, when grab bucket body
6th, when 7 preparations invade operation medium, vibration mode is opened, and vibrating hydraulic cylinder can be caused by grab bucket body 6,7, the and of slide mechanism 3
The crank slider arrangement that connecting rod 4,10 is constituted also produces micro breadth oscillation, dials and offs normal in the operation medium of grab bucket body 6,7 sides,
So that the stress maximum point of grab bucket body 6,7 is remained at the crown of grab bucket body 6,7, increase the depth of invasion of hydraulic grab,
Improve hydraulic grab and close the crawl amount in bucket stage；After terminating in the intrusion stage, the mode of operation of vibrating hydraulic cylinder can be by shaking
Dynamic model formula is replaced by non-vibration pattern, and vibrating hydraulic cylinder can drive slide mechanism 3 vertically to slide up and down, and then pass through
Connecting rod 4,10 drives grab bucket body 6,7 around its spot wobble that is connected with body 1, makes grab bucket body 6,7 complete to close bucket action, and then
Complete the crawl operation of medium.
In the second embodiment of the present invention, hydraulic grab also includes grab bucket bearing 9, and the grab bucket body 6,7 is hinged on institute
State on grab bucket bearing 9, drive mechanism 2 includes movement parts and drive mechanism, the movement parts and the driving a little for the active
Mechanism is arranged on the grab bucket bearing 9, and the outward flange of the movement parts abuts with the grab bucket body 6,7, and described
Extruding is produced to the grab bucket body 6,7 in the presence of drive mechanism, to drive the grab bucket body 6,7 micro-swingings.
In the embodiment, the reciprocating motion by movement parts relative to grab bucket body 6,7 makes movement parts to grab bucket body 6,7
Squeezing action is continually changing, and then makes the increase or diminution a little of the opening angle of grab bucket body 6,7, and the process can make grab bucket body
6th, 7 will be located at grab bucket body 6,7 left and right sides operation medium dial from so that grab bucket body 6,7 stress maximum point remain at
Grab bucket at the crown of body 6,7, lifting surface area is strongly reduced, and hydraulic grab can continue downwards on the basis of original depth of invasion
Invade.
In the present embodiment, limited block 5,8 can be omitted, and movement parts and drive mechanism are realizing grab bucket body micro-swinging
At the same time it can also substitute the effect of limited block 5,8, part is saved, alleviate own wt, reduce manufacturing cost.
In addition to above two active a little drive mechanism, other every introducing active vibrations or swing of being related to increase
The scheme of depth of invasion and then raising crawl efficiency is within the scope of the present invention.
Movement parts can have multiple choices with the specific motion mode of drive mechanism, as long as the motion of movement parts is enabled to
The pendulum angle of grab bucket body 6,7 produces change a little.
In a specific embodiment, as shown in fig. 6, the movement parts are cam 34, the drive mechanism is hydraulic pressure
Motor, the outward flange of the cam 34 abuts with the grab bucket body 6,7, and in the driving effect backspin of the hydraulic motor
Turn.
In another specific embodiment, as shown in figure 5, the movement parts are sliding block 32, the drive mechanism is liquid
Cylinder pressure 33, the outward flange of the sliding block 32 abuts with the grab bucket body 6,7, and under the driving effect of the hydraulic cylinder 33
Motion.
As shown in figure 4, the grab bucket bearing 9 is provided with groove 31, the sliding block 32 is arranged in the groove 31, and edge
The length direction motion of the groove 31.
The length direction of groove 31 can be configured according to actual conditions, such as the length direction of described groove 31 is perpendicular
Nogata is to sliding block 32 vertically moves up and down in the groove 31, as shown in figure 5, when sliding block 32 is moved downward, sliding
The squeezing action increase of 32 pairs of grab bucket bodies 6,7 of block, grab bucket body 6,7 move toward one anothers, opening angle reduces；When sliding block 32 is moved upwards
When, the squeezing action of 32 pairs of grab bucket bodies 6,7 of sliding block reduces, grab bucket body 6,7 counter motions, opening angle increase.Certainly, groove 31
Can also be arranged along other directions, sliding block 32 is converted to along the motion of the length direction of groove 31 by switching mechanism then
Enable to grab bucket body 6, the direction of 7 opening angles change.
Preferably, the sliding block 32 is round slider, and round slider is easy to manufacture, due to the symmetry of circular configuration,
It is easy to the control to grab bucket body 6,7 opening angle sizes.
Hydraulic grab in various embodiments above can apply in construction of diaphragm wall equipment.
By the explanation to hydraulic grab of the present invention and multiple embodiments of construction of diaphragm wall equipment, it can be seen that this
Invention hydraulic grab and construction of diaphragm wall apparatus embodiments by introducing active drive mechanism, deadweight the intrusion stage,
Actively drive mechanism drives lower grab bucket body to produce micro breadth oscillation or swing a little, can improve bucket tooth stress so that bucket tooth
Stress be optimized for focusing primarily upon bucket tooth crown by focusing primarily upon bucket tooth side originally, greatly improve hydraulic grab
Initial depth of invasion, and then improve the crawl efficiency of equipment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to preferred embodiment to the present invention, and those of ordinary skill in the art should be understood：Still
Specific embodiment of the invention can be modified or equivalent is carried out to some technical characteristics；Without deviating from this hair
The spirit of bright technical scheme, it all should cover in the middle of claimed technical scheme scope of the invention.
Claims (9)
1. a kind of hydraulic grab, including body (1), slide mechanism (3), connecting rod (4,10) and grab bucket body (6,7), wherein the cunning
Motivation structure (3) can vertically move up and down on the body (1) relative to the body (1), described to grab
Bucket body (6,7) is connected by the connecting rod (4,10) with the slide mechanism (3), described to constitute crank-sliding block (32) structure
Grab bucket body (6,7) can be under the drive of the slide mechanism (3) around the described grab bucket fixation of body (6,7) with the body (1)
Point is rotated, it is characterised in that also including actively drive mechanism (2) a little, drive mechanism (2) can be to described a little for the active
Grab bucket body (6,7) applies driving force, so that grab bucket body (6,7) produces micro breadth oscillation or the swing of active；Also include grab bucket
Bearing (9), grab bucket body (6,7) is hinged on grab bucket bearing (9), and drive mechanism (2) includes fortune a little for the active
Moving part and drive mechanism, the movement parts and the drive mechanism are arranged on grab bucket bearing (9), outside the movement parts
Edge is abutted with grab bucket body (6,7), and grab bucket body (the 6,7) generation is squeezed in the presence of the drive mechanism
Pressure, to drive described grab bucket body (6,7) micro-swinging.
2. hydraulic grab according to claim 1, it is characterised in that drive mechanism (2) is vibration dress a little for the active
Put, the vibrating device is installed on the body (1), and be connected with the slide mechanism (3), the vibrating device is used to drive
Dynamic slide mechanism (3) motion, the vibrating device has vibration mode and non-vibration pattern, in grab bucket body (6,7)
When preparing to invade operation medium, the vibration mode is opened, and the vibrating device produces vibration by making the slide mechanism (3)
And drive the connecting rod (4,10) and grab bucket body (6,7) to produce micro-swinging.
3. hydraulic grab according to claim 2, it is characterised in that the vibrating device is vibrating hydraulic cylinder.
4. hydraulic grab according to claim 1, it is characterised in that the movement parts are cam (34), the driving machine
Structure is hydraulic motor, and the outward flange of the cam (34) abuts with grab bucket body (6,7), and in the hydraulic motor
Rotated under driving effect.
5. hydraulic grab according to claim 1, it is characterised in that the movement parts are sliding block (32), the driving machine
Structure is hydraulic cylinder (33), and the outward flange of the sliding block (32) abuts with grab bucket body (6,7), and in the hydraulic cylinder
(33) moved under driving effect.
6. hydraulic grab according to claim 5, it is characterised in that the grab bucket bearing (9) is provided with groove (31), institute
Sliding block (32) is stated in the groove (31), and along the length direction motion of the groove (31).
7. hydraulic grab according to claim 6, it is characterised in that the length direction of the groove (31) is side vertically
To.
8. hydraulic grab according to claim 5, it is characterised in that the sliding block (32) is round slider.
9. a kind of construction of diaphragm wall equipment, it is characterised in that grabbed including the hydraulic pressure as described in any one of claim 1~8
Bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048287.4A CN106065638B (en) | 2016-01-25 | 2016-01-25 | Hydraulic grab and construction of diaphragm wall equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048287.4A CN106065638B (en) | 2016-01-25 | 2016-01-25 | Hydraulic grab and construction of diaphragm wall equipment |
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| Publication Number | Publication Date |
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| CN106065638A CN106065638A (en) | 2016-11-02 |
| CN106065638B true CN106065638B (en) | 2017-06-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108466933B (en) * | 2018-05-28 | 2024-04-16 | 山东鲁磁工业科技有限公司 | Lifting device control system utilizing electromagnetic chuck, control method and application |
| CN111305292A (en) * | 2020-03-21 | 2020-06-19 | 徐州恒泰智能科技有限公司 | Hydraulic grab bucket trenching machine for underground diaphragm wall |
| CN112267506A (en) * | 2020-11-11 | 2021-01-26 | 北京三一智造科技有限公司 | Continuous wall grab bucket device and control method thereof |
| CN112267505B (en) * | 2020-11-11 | 2024-05-14 | 北京三一智造科技有限公司 | Continuous wall grab bucket device and control method thereof |
| CN112523287A (en) * | 2020-12-10 | 2021-03-19 | 北京三一智造科技有限公司 | Impact type excavating device and trenching machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2860978B2 (en) * | 1995-04-19 | 1999-02-24 | 株式会社大林組 | Suspended excavator |
| CN104213590B (en) * | 2013-09-23 | 2016-04-06 | 襄阳畅勘智能机械有限公司 | Rotary pile-digging machine double-cylinder hydraulic is grabbed bucket |
| CN103835330B (en) * | 2014-03-27 | 2016-05-04 | 徐工集团工程机械股份有限公司 | Continuous wall grab |
| CN205742311U (en) * | 2016-01-25 | 2016-11-30 | 徐工集团工程机械股份有限公司 | Hydraulic grab and construction of diaphragm wall equipment |
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