CN101643180A - Hydraulic grab bucket - Google Patents
Hydraulic grab bucket Download PDFInfo
- Publication number
- CN101643180A CN101643180A CN200910130843A CN200910130843A CN101643180A CN 101643180 A CN101643180 A CN 101643180A CN 200910130843 A CN200910130843 A CN 200910130843A CN 200910130843 A CN200910130843 A CN 200910130843A CN 101643180 A CN101643180 A CN 101643180A
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- grabbing
- lobe
- hydraulic
- pull bar
- grab
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Abstract
The invention discloses a hydraulic grab bucket, comprising grab flaps for grabbing objects. The hydraulic grab bucket is characterized by comprising a plurality of the grab flaps for grabbing the objects; the grab flaps are bent arms; the middle parts of the bent arms are connected with tension rods in a hinging way; one ends of the bent arms are hinged driving brackets; the upper parts pf the hinge driving brackets are connected with the hydraulic cylinder arms of the hydraulic cylinders; and the tension rods are also connected with tension rod brackets. When the hydraulic cylinders drive the arms of the hydraulic cylinders to be extended, the driving brackets are driven to lead the bent arms of the grab flaps to turn around a connecting rod hinging part to be outwards expended; and whenthe hydraulic cylinders drive the arms of the hydraulic cylinders to be shrunk, the driving brackets are driven to lead the bent arms of the grab flaps to turn around the connecting rod hinging partto be inwards grasped. The hydraulic grab bucket has strong grabbing force, convenient operation, low work noise, low failure rate, high safety coefficient, reasonable structure, has the advantages ofhigh power and kinetic energy efficiency, is suitable for the high-efficiency flexible work for grabbing and transferring the objects in the process of well drilling, and can be widely applicable tograb loaders of various vertical wells.
Description
Technical field
The invention belongs to industry and mining industry field with the large-scale gripping device of carrying machinery of grabbing, be specifically related to a kind of hydraulic grab that underground mining and material are grabbed the fluid pressure type revolution grab loader of proposing transhipment that is used for.
Background technology
Grab loader has been widely used at present to be dug vertical shaft and grasps the industrial applications that friable rock drops into well-bucket after the underground blasting, to realize muck mechanization, increases productivity, and alleviates labor strength.In the muck removal operation, the grab loader with revolute function for improving sinking shaft level and construction benefit, guarantees construction safety and reduces labor intensity that it is most important to improve sinking shaft construction comprehensive benefit aspect as key equipment in the sinking shaft construction.
Present widely used grab loader mostly is pneumatic grab loader, promptly adopts to drive cylinder as muck and revolution lifting power, and kinetic energy rejection is big, and mechanical wear is more serious.The noise that pneumatic rotary grab loader when work produces is to I haven't seen you for ages more than 90 decibels, and people's hearing is caused great injury.Simultaneously adopt the pipeline that transmits by the muck horn by cylinder to realize the closed operation of grab bucket during the grab loader grabbing object, this mode makes that the operating efficiency of grab bucket is lower, the amount of grasping grasps operation more greatly, the expenditure of energy that the long distance transmission of pressurized air is simultaneously brought is bigger, also can cause the destruction of high pressure gas to transfer line.
Summary of the invention
It is big to the invention provides a kind of grasping force, easy to operate, operating noise is low, fault rate is low, the hydraulic grab that safety factor is higher, the reasonable in design of this hydraulic grab can have power and the high advantage of kinetic energy efficient, is suitable for the high efficient and flexible operation of material extracting transhipment in the vertical shaft cutting process.
The technical solution adopted in the present invention is as follows:
A kind of hydraulic grab, comprise the lobe of grabbing that is used for grabbing object, it is characterized in that described hydraulic grab comprises the lobe of grabbing of a plurality of grabbing objects, the described lobe of grabbing is a curved boom, the middle part of the described curved boom pull bar that is articulated and connected, the hinged bogie of one end of curved boom, the top of described hinged bogie connects the hydraulic actuating cylinder arm that a hydraulic actuating cylinder is set, and described pull bar also connects a pulling-rod frame; When described Driven by Hydraulic Cylinder hydraulic actuating cylinder arm extends, bogie is driven and makes the curved boom of grabbing lobe around rotating with the rod hinge connection position and outwards opening, when described Driven by Hydraulic Cylinder hydraulic actuating cylinder arm shrank, bogie ordered about the curved boom of grabbing lobe around rotating with the rod hinge connection position and inwardly promptly.
In one example, described hydraulic grab comprises that one is arranged at the fixed mount of upper end, and described fixed mount connects the top of described hydraulic actuating cylinder, and described hydraulic actuating cylinder vertically is provided with, the hinged described bogie in the lower end of its hydraulic actuating cylinder arm.
In one example, the connection of the lower end of described fixed mount is provided with described pulling-rod frame, and described pulling-rod frame is a ring-type bracing frame, the pull bar that evenly hinged downward extension is provided with on the described ring-type bracing frame.
In another embodiment, the described middle part of grabbing lobe that is articulated and connected, the lower end of described pull bar, the described curved boom that lobe is a V-structure, the bending part of the hinged described curved boom in lower end of described pull bar of grabbing.
The number of described pull bar is eight, the hinged pulling-rod frame in the upper end of described each pull bar, and lobe is grabbed in the lower end of each pull bar hinged respectively.
Described driving chord position one ring-type support body, the top ends of lobe is grabbed in hinged setting on the described ring-type support body, and the described lobe of grabbing is eight of well-distributeds, and each grabs the curved boom that lobe is a V-structure, and described bogie is positioned at the inboard of described pull bar.
The top of pulling-rod frame is provided with a lifting seat by the chain connection.
Describedly grab the tooth of grabbing that lobe has a flat flap, described upper surface of grabbing tooth is provided with reinforced rib.
In one specific embodiment, described upper end of grabbing tooth be provided with one with pull bar pivotally attached articulated section, the described adjacent tooth upper end sidepiece contact of grabbing of grabbing lobe is provided with, and grabbing of this contact site is respectively arranged with a upwardly extending contact part on the tooth, and face is conflicted and combined between described adjacent contact part of grabbing lobe.
This hydraulic grab adopts a hydraulic actuating cylinder that is provided with in grab bucket as propulsive effort, can realize a plurality of work compounds of grabbing lobe flexibly, its grasping force is strong, hydraulic actuating cylinder can be by the driving to bogie, rely on lever principle realize a plurality of grab lobe open with promptly, and open and the operation of firmly grasping all realizes by the direct drive of this hydraulic actuating cylinder arm, need not to connect any hydraulic tubing, low noise when promptly having guaranteed the vertical shaft operation, also can make this grab bucket grabbing object operation only need to realize with hydraulic actuating cylinder bonded assembly power transmission line road, can not cause any noise and the smoke pollution of the vertical shaft scope of operation by one.
The grabbing the lobe number and can be 8 or six etc. of this hydraulic grab, its quantity can be decided according to the size or the grasping force design of material.Hydraulic actuating cylinder vertically is arranged on the top of hydraulic grab, the opening angle of hydraulic grab, and promptly grasping scope can be determined jointly by the length of the elongated distance of hydraulic actuating cylinder arm, the design specification of grabbing lobe and pull bar.Pull bar hinged is provided with and can makes the rotational angle of grabbing lobe according to field of load and freedom is just changed, and improved the Practical Performance of grabbing lobe.Grab the tooth of grabbing of flat flap that position that lobe is used to grasp can be provided with for reversing, the petal of lotus flower for example, this is grabbed tooth and realizes grabbing the firm reinforcement of tooth by a reinforced rib of outer face setting, and can be by being provided with on this reinforced rib and the mortise of pull bar bonded assembly articulated section realization with pull bar.Each side of grabbing tooth top of grabbing between lobe contacts, with form can and grabbing object between grasp contact surface more greatly, and in order to guarantee that adjacent grabbing can not cause damage each other between flank, can the contact part be set in this adjacent side, the face by the contact part contacts to eliminate grabs the defective that the flank contact damages.
Beneficial effect of the present invention is, the grasping force of this hydraulic grab is big, easy to operate, operating noise is low, fault rate is low, and safety factor is higher, the reasonable in design of this hydraulic grab, can have power and the high advantage of kinetic energy efficient, be suitable for the high efficient and flexible operation of material extracting transhipment in the vertical shaft cutting process.Can be applicable to the grab loader of various vertical widely.
Description of drawings
Fig. 1 is the structural representation of the specific embodiment of the invention;
The specific embodiment
As described in Figure 1, this hydraulic grab, comprise eight be used for grabbing object grab lobe 17, each grabs the curved boom that lobe is a V-structure, the middle part of the curved boom pull bar 14 that is articulated and connected, the hinged bogie 16 of one end of curved boom, the top of hinged bogie connects the hydraulic actuating cylinder arm 15 that a hydraulic actuating cylinder is set, and pull bar also connects a pulling-rod frame 13; Pulling-rod frame is positioned at the top of pull bar, when hydraulic actuating cylinder 12 drives 15 elongations of hydraulic actuating cylinder arm, bogie 16 is driven and makes the curved boom of grabbing lobe 17 around rotating with connecting rod 14 hinge point and outwards opening, when Driven by Hydraulic Cylinder hydraulic actuating cylinder arm 15 shrank, bogie ordered about the curved boom of grabbing lobe around rotating with the rod hinge connection position and inwardly promptly.
Concretely, the top of fixed mount 13 is provided with a lifting seat 18 by the chain connection, and this lifting seat can be connected with arm.The be articulated and connected top of hydraulic actuating cylinder 12, the middle part of fixed mount 13, hydraulic actuating cylinder 12 is provided with vertically downward, the hinged bogie 16 in the lower end of its hydraulic actuating cylinder arm 15.
The lower end connection of fixed mount 11 is provided with pulling-rod frame 13, and pulling-rod frame 13 is a ring-type bracing frame, 8 pull bars that evenly hinged downward extension is provided with on this ring-type bracing frame.The diameter of this ring-type bracing frame makes each pull bar can lay respectively at the outside of bogie greater than bogie.The lower end of pull bar is articulated and connected respectively and grabs the middle part of lobe, the bending part of the hinged curved boom in lower end of pull bar.Lobe is grabbed in the lower end of each pull bar hinged respectively.Bogie is a ring-type support body, hinged on the ring-type support body eight top ends of grabbing lobe is set.So, when hydraulic actuating cylinder arm fore and aft motion, can drive and grab that lobe opens and contraction grasps operation.
What this grabbed that lobe 17 has a flat flap grabs tooth 19, and the upper surface of grabbing tooth is provided with reinforced rib 18.Be provided with and pull bar pivotally attached articulated section in the upper end of grabbing tooth, the adjacent tooth upper end sidepiece contact of grabbing of grabbing lobe is provided with, grabbing of this contact site is respectively arranged with upwardly extending contact part 20 on the tooth, face is conflicted and is combined between adjacent contact part of grabbing lobe, grabs the lobe damage with what eliminate that contact to each other causes.
Claims (9)
1. hydraulic grab, comprise the lobe of grabbing that is used for grabbing object, it is characterized in that described hydraulic grab comprises the lobe of grabbing of a plurality of grabbing objects, the described lobe of grabbing is a curved boom, the middle part of the described curved boom pull bar that is articulated and connected, the hinged bogie of one end of curved boom, the top of described hinged bogie connects the hydraulic actuating cylinder arm that a hydraulic actuating cylinder is set, and described pull bar also connects a pulling-rod frame; When described Driven by Hydraulic Cylinder hydraulic actuating cylinder arm extends, bogie is driven and makes the curved boom of grabbing lobe around rotating with the rod hinge connection position and outwards opening, when described Driven by Hydraulic Cylinder hydraulic actuating cylinder arm shrank, bogie ordered about the curved boom of grabbing lobe around rotating with the rod hinge connection position and inwardly promptly.
2. hydraulic grab according to claim 1 is characterized in that described hydraulic grab comprises that one is arranged at the fixed mount of upper end, and described fixed mount connects the top of described hydraulic actuating cylinder, and described hydraulic actuating cylinder vertically is provided with, the hinged described bogie in the lower end of its hydraulic actuating cylinder arm.
3. hydraulic grab according to claim 2 is characterized in that the lower end connection of described fixed mount is provided with described pulling-rod frame, and described pulling-rod frame is a ring-type bracing frame, the pull bar that evenly hinged downward extension is provided with on the described ring-type bracing frame.
4. hydraulic grab according to claim 3, the lower end that the it is characterized in that described pull bar described middle part of grabbing lobe that is articulated and connected, the described curved boom that lobe is a V-structure, the bending part of the hinged described curved boom in lower end of described pull bar of grabbing.
5. hydraulic grab according to claim 1, the number that it is characterized in that described pull bar is eight, the hinged pulling-rod frame in the upper end of described each pull bar, lobe is grabbed in the lower end of each pull bar hinged respectively.
6. hydraulic grab according to claim 1, it is characterized in that described driving chord position one ring-type support body, the top ends of lobe is grabbed in hinged setting on the described ring-type support body, and the described lobe of grabbing is eight of well-distributeds, each grabs the curved boom that lobe is a V-structure, and described bogie is positioned at the inboard of described pull bar.
7. hydraulic grab according to claim 1 is characterized in that the top of pulling-rod frame is provided with a lifting seat by the chain connection.
8. the described hydraulic grab of root claim 1 is characterized in that the described tooth of grabbing that lobe has a flat flap of grabbing, and described upper surface of grabbing tooth is provided with reinforced rib.
9. the described hydraulic grab of root claim 8, it is characterized in that described upper end of grabbing tooth be provided with one with pull bar pivotally attached articulated section, the described adjacent tooth upper end sidepiece contact of grabbing of grabbing lobe is provided with, grabbing of this contact site is respectively arranged with a upwardly extending contact part on the tooth, face is conflicted and combined between described adjacent contact part of grabbing lobe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN200910130843A CN101643180A (en) | 2009-04-16 | 2009-04-16 | Hydraulic grab bucket |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN200910130843A CN101643180A (en) | 2009-04-16 | 2009-04-16 | Hydraulic grab bucket |
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CN101643180A true CN101643180A (en) | 2010-02-10 |
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CN200910130843A Pending CN101643180A (en) | 2009-04-16 | 2009-04-16 | Hydraulic grab bucket |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104929240A (en) * | 2015-06-16 | 2015-09-23 | 安庆市华鑫重工股份有限公司 | Grab bucket device special for sewer decontamination |
CN105000471A (en) * | 2015-07-26 | 2015-10-28 | 安庆市港机制造有限责任公司 | Object size self-adaptable type grab bucket |
CN111225870A (en) * | 2017-10-13 | 2020-06-02 | 赛克工程设计有限公司 | Grab bucket |
CN111720122A (en) * | 2020-05-25 | 2020-09-29 | 浙江中智物联科技集团有限公司 | Vertical shaft tunneling device of three-dimensional parking garage |
-
2009
- 2009-04-16 CN CN200910130843A patent/CN101643180A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104929240A (en) * | 2015-06-16 | 2015-09-23 | 安庆市华鑫重工股份有限公司 | Grab bucket device special for sewer decontamination |
CN105000471A (en) * | 2015-07-26 | 2015-10-28 | 安庆市港机制造有限责任公司 | Object size self-adaptable type grab bucket |
CN111225870A (en) * | 2017-10-13 | 2020-06-02 | 赛克工程设计有限公司 | Grab bucket |
CN111720122A (en) * | 2020-05-25 | 2020-09-29 | 浙江中智物联科技集团有限公司 | Vertical shaft tunneling device of three-dimensional parking garage |
CN111720122B (en) * | 2020-05-25 | 2022-04-29 | 浙江中智物联科技集团有限公司 | Vertical shaft tunneling device of three-dimensional parking garage |
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Open date: 20100210 |