CN219031509U - Grab bucket of gantry crane - Google Patents
Grab bucket of gantry crane Download PDFInfo
- Publication number
- CN219031509U CN219031509U CN202223533018.7U CN202223533018U CN219031509U CN 219031509 U CN219031509 U CN 219031509U CN 202223533018 U CN202223533018 U CN 202223533018U CN 219031509 U CN219031509 U CN 219031509U
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- Prior art keywords
- jaw
- jaw plate
- shaped frame
- grab
- gantry
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- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 15
- 229910000831 Steel Inorganic materials 0.000 abstract description 11
- 239000010959 steel Substances 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model provides a grab bucket of a portal crane, which comprises a fixed seat, wherein two jaw plates are symmetrically arranged below the fixed seat, a support frame is hinged to the outer side of the upper end of each jaw plate, a connecting plate is fixedly arranged on the inner side of the upper end of each jaw plate, the upper end of each support frame is hinged to the fixed seat, a supporting shaft is fixedly arranged on each connecting plate, a pulley is rotatably arranged on each supporting shaft, a steel wire rope is sleeved on each pulley, a traction device for tightening or releasing the steel wire rope is arranged on the fixed seat, and jaw plate protection components are detachably and fixedly sleeved on the opposite sides of the two jaw plates; according to the utility model, in the process of grabbing materials, the jaw plate protection assembly rubs with the ground and the materials, so that the jaw plate abrasion caused by the direct contact of the jaw plate and the ground is avoided, when the jaw plate protection assembly is worn after a period of use, the jaw plate protection assembly is detached for replacement, the whole jaw plate is not required to be replaced, the maintenance cost is reduced, and meanwhile, the convenience of maintenance is improved.
Description
Technical Field
The utility model belongs to the technical field of cranes, and particularly relates to a grab bucket of a gantry crane.
Background
When the gantry crane grab bucket grabs materials, the opening and closing steel wire rope is released to enable the grab bucket to be opened and then fall onto a to-be-grabbed object, the opening and closing steel wire rope is folded, the steel wire rope pulls the cross beam to enable the two jaw plates to be closed, and the bucket is filled with the materials; the jaw plate is continuous to produce the friction between its lower extreme and ground or material at the in-process of closed snatch material, and the long-time use friction back jaw plate lower extreme causes wearing and tearing easily, because jaw plate formula structure as an organic whole needs whole to dismantle the change, and the cost is higher to connection structure between two jaw plates and between jaw plate and its top support need dismantle the separation when maintaining, and the dismouting change process is comparatively loaded down with trivial details.
Therefore, it is necessary to design a gantry crane grab capable of reducing maintenance cost and facilitating disassembly for replacement and maintenance to solve the technical problems faced at present.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the gantry crane grab bucket which can reduce the maintenance cost and is convenient to detach, replace and maintain.
The technical scheme of the utility model is as follows: the utility model provides a gantry crane grab bucket, includes the fixing base, the below symmetry of fixing base is provided with two jaws, the upper end outside of jaw articulates there is the support frame, the inboard fixed connecting plate that is provided with of upper end of jaw, the upper end of support frame with the fixing base articulates mutually, fixedly on the connecting plate be provided with the back shaft, the epaxial pulley that rotates that is provided with of back, the cover is equipped with wire rope on the pulley, be provided with on the fixing base and be used for tightening up or releasing wire rope's draw gear, two the fixed cover is equipped with jaw protection component can all be dismantled to the relative one side of jaw.
The jaw plate protection assembly is provided with a U-shaped frame, one side of the U-shaped frame is provided with a mounting groove corresponding to the side face of the jaw plate, and the U-shaped frame is sleeved on one side of the jaw plate through the mounting groove.
Corresponding mounting holes are formed in the jaw plate and the U-shaped frame, and bolt and nut mechanisms are arranged in the mounting holes.
The U-shaped frame is provided with a cross rod, longitudinal rods are vertically and fixedly arranged at the tops of two ends of the cross rod, and a chamfer is formed in the top of one side, deviating from the mounting groove, of the cross rod.
Wedge blocks are uniformly arranged at the bottom of the U-shaped frame, and the inclined surfaces of the wedge blocks face to one side deviating from the mounting groove.
And the outer side of the jaw plate protection assembly is provided with a wear-resistant coating.
The wear-resistant coating is a PVD coating.
The utility model has the beneficial effects that: according to the utility model, in the process of grabbing materials, the jaw plate protection assembly rubs with the ground and the materials, so that the jaw plate abrasion caused by the direct contact of the jaw plate and the ground is avoided, when the jaw plate protection assembly is worn after a period of use, the jaw plate protection assembly is detached for replacement, the whole jaw plate is not required to be replaced, the maintenance cost is reduced, and meanwhile, the convenience of maintenance is improved.
Drawings
Fig. 1 is a schematic structural view of a gantry grab according to the present utility model.
Fig. 2 is a schematic view of a jaw plate protection assembly according to an embodiment of the present utility model.
Fig. 3 is a schematic view of another embodiment of the jaw plate protecting assembly according to the present utility model.
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative, and is in no way intended to limit the utility model, its application, or uses. The present utility model may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.
The terms "first," "second," and the like, as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1, the grab bucket of the portal crane comprises a fixed seat 2, two jaw plates 1 are symmetrically arranged below the fixed seat 2, a supporting frame 8 is hinged to the outer side of the upper end of each jaw plate 1, a connecting plate 5 is fixedly arranged on the inner side of the upper end of each jaw plate 1, the upper end of each supporting frame 8 is hinged to the fixed seat 2, a supporting shaft 6 is fixedly arranged on each connecting plate 5, a pulley 7 is rotatably arranged on each supporting shaft 6, a steel wire rope (not shown in the steel wire rope diagram) is sleeved on each pulley 7, a traction device 3 for tightening or releasing the steel wire rope is arranged on the fixed seat 2, and jaw plate protection assemblies 4 are detachably and fixedly sleeved on the opposite sides of the two jaw plates 1; in the embodiment, the traction device 3 releases a steel wire rope, the jaw plate 1 is opened under the action of gravity and falls on a to-be-grabbed object, then the steel wire rope is tightened, the pulley 7 and the support shaft 6 are pulled by the steel wire rope, and the jaw plate 1 is driven to be closed through the connecting plate 5, so that the grab bucket is filled with materials; in the process of grabbing materials, the jaw plate protection assembly 4 rubs with the ground and the materials, the jaw plate 1 is prevented from being worn by the jaw plate protection assembly 4 due to direct contact with the ground, when the jaw plate protection assembly 4 is worn after a period of use, the jaw plate protection assembly 4 is only required to be detached for replacement, the whole jaw plate 1 is not required to be replaced, the maintenance cost is reduced, and meanwhile, the convenience of maintenance is improved.
In the above embodiment, as a specific implementation manner of the jaw plate protection assembly 4, as shown in fig. 2, the jaw plate protection assembly 4 has a U-shaped frame 41, one side of the U-shaped frame 41 is provided with a mounting groove 42 corresponding to the side surface of the jaw plate 1, the U-shaped frame 41 is sleeved on one side of the jaw plate 1 through the mounting groove 42, and the jaw plate 1 is provided with an opening matched with the U-shaped frame 41, so as to ensure that when the U-shaped frame 41 is mounted on the jaw plate 1, the U-shaped frame 41 is kept flush with the end of the jaw plate 1.
In some embodiments, as a specific detachable fixed connection mode between the U-shaped frame 41 and the jaw plate 1, corresponding mounting holes 44 are formed in the jaw plate 1 and the U-shaped frame 41, bolt and nut mechanisms are assembled in the mounting holes 44, the bolt and nut mechanisms are provided with matched bolts and nuts, and the U-shaped frame 41 and the jaw plate 1 are detachably and fixedly connected through the bolt and nut mechanisms, so that the installation and the disassembly are convenient.
In some embodiments, the U-shaped frame 41 has a cross bar 411, vertical rods 412 are fixedly arranged at the top of two ends of the cross bar 411, a chamfer 43 is formed at the top of one side of the cross bar 411, which is away from the mounting slot 411, and the chamfer 43 on the U-shaped frame 41 can guide the material to the upper side of the U-shaped frame 41 when the material is clamped.
In some embodiments, as shown in fig. 3, the bottom of the U-shaped frame 41 is uniformly provided with a wedge block 45, and the wedge block 45 provides support at the bottom of the U-shaped frame 41, so that abrasion to the bolt and nut mechanism during material clamping can be avoided, the inclined surface of the wedge block 45 faces to the side away from the mounting groove 42, and the wedge block 45 is in smooth transition with the end part of the U-shaped frame 41 through the inclined surface thereof.
In some embodiments, the wear-resistant coating is arranged on the outer side of the jaw plate protection assembly 4, so that the wear resistance of the jaw plate protection assembly 4 is improved through the wear-resistant coating, the jaw plate protection assembly is not easy to wear in the use process, and the maintenance period is prolonged; in particular, the wear-resistant coating is a PVD coating.
In the above embodiment, the traction device 3 is provided with the wire rope winding wheel and the motor for driving the wire rope winding wheel to rotate positively and negatively, and the wire rope is tightened or released through the positive and negative rotation of the wire rope winding wheel.
Thus, various embodiments of the present utility model have been described in detail. In order to avoid obscuring the concepts of the utility model, some details known in the art have not been described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.
The above examples only represent some embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (7)
1. A gantry crane grab, characterized in that: including the fixing base, the below symmetry of fixing base is provided with two jaws, the upper end outside of jaw articulates there is the support frame, the inboard fixed connecting plate that is provided with of upper end of jaw, the upper end of support frame with the fixing base articulates mutually, fixedly on the connecting plate be provided with the back shaft, the epaxial pulley that rotates that is provided with of back, the cover is equipped with wire rope on the pulley, be provided with on the fixing base and be used for tightening up or release wire rope's draw gear, two the fixed cover is equipped with jaw protection component can all be dismantled to the relative one side of jaw.
2. The gantry grab of claim 1, wherein: the jaw plate protection assembly is provided with a U-shaped frame, one side of the U-shaped frame is provided with a mounting groove corresponding to the side face of the jaw plate, and the U-shaped frame is sleeved on one side of the jaw plate through the mounting groove.
3. The gantry grab of claim 2, wherein: corresponding mounting holes are formed in the jaw plate and the U-shaped frame, and bolt and nut mechanisms are arranged in the mounting holes.
4. The gantry grab of claim 2, wherein: the U-shaped frame is provided with a cross rod, longitudinal rods are vertically and fixedly arranged at the tops of two ends of the cross rod, and a chamfer is formed in the top of one side, deviating from the mounting groove, of the cross rod.
5. The gantry grab of claim 2, wherein: wedge blocks are uniformly arranged at the bottom of the U-shaped frame, and the inclined surfaces of the wedge blocks face to one side deviating from the mounting groove.
6. The gantry grab of claim 1, wherein: and the outer side of the jaw plate protection assembly is provided with a wear-resistant coating.
7. The gantry grab of claim 6, wherein: the wear-resistant coating is a PVD coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223533018.7U CN219031509U (en) | 2022-12-29 | 2022-12-29 | Grab bucket of gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223533018.7U CN219031509U (en) | 2022-12-29 | 2022-12-29 | Grab bucket of gantry crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219031509U true CN219031509U (en) | 2023-05-16 |
Family
ID=86313802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223533018.7U Active CN219031509U (en) | 2022-12-29 | 2022-12-29 | Grab bucket of gantry crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219031509U (en) |
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2022
- 2022-12-29 CN CN202223533018.7U patent/CN219031509U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 19 Kuang Road, Changnuo Industrial Zone, Weizhuang Town, Changyuan City, Xinxiang City, Henan Province, 453400 Patentee after: HENAN SHENGYUAN HOISTING MACHINERY Co.,Ltd. Address before: 453400 Xinxiang Industrial Zone, Henan Province Patentee before: HENAN SHENGYUAN HOISTING MACHINERY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |