CN220330689U - Hydraulic grabbing device - Google Patents

Hydraulic grabbing device Download PDF

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Publication number
CN220330689U
CN220330689U CN202321537106.6U CN202321537106U CN220330689U CN 220330689 U CN220330689 U CN 220330689U CN 202321537106 U CN202321537106 U CN 202321537106U CN 220330689 U CN220330689 U CN 220330689U
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CN
China
Prior art keywords
clamping part
clamping
hydraulic
connecting piece
gripping device
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CN202321537106.6U
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Chinese (zh)
Inventor
刘义
刘君
吕俊杰
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ZIYANG SHUDA TECHNOLOGY CO LTD
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ZIYANG SHUDA TECHNOLOGY CO LTD
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Priority to CN202321537106.6U priority Critical patent/CN220330689U/en
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Abstract

The utility model provides a hydraulic grabbing device, and relates to the technical field of section steel conveying. The utility model provides a hydraulic gripping device, includes connecting piece and two gripper jaws, and two gripper jaws rotate respectively and install in the connecting piece both ends, and arbitrary gripper jaw includes first clamping part, second clamping part, third clamping part and first hydraulic telescoping rod, and first clamping part one end rotates with the connecting piece to be connected, and first clamping part other end and second clamping part fixed connection, the one end that first clamping part was kept away from to the second clamping part are connected with third clamping part, and first hydraulic telescoping rod both ends rotate with first clamping part and connecting piece respectively to be connected. By adopting the utility model, the angle between the second clamping part and the third clamping part can be adjusted according to the shape and the size of the section steel to be clamped, so that the stability of the clamping claw when clamping the section steel with different shapes and sizes is further enhanced.

Description

Hydraulic grabbing device
Technical Field
The application relates to the technical field of profile steel carrying, in particular to a hydraulic grabbing device.
Background
In the mechanical industry, a hydraulic cylinder is an important component for transmitting power, is a device for converting hydraulic energy into mechanical energy to enable machinery to realize reciprocating linear motion or swing, has stable transmission work and high reliability, is in a severe working environment, particularly in the metallurgical, mining and shipping industries, has high operation requirements on machine equipment, is in a severe working environment with high pressure, impact and instability in the mechanical transmission process, and is widely used in the industrial production control process. For example, when a workpiece is machined on a machine tool, it is often necessary to position the fixture, and drill fixtures and mill fixtures are used in drilling and milling operations. At present, the processing of a workpiece is mainly to directly place the workpiece on a drilling machine, clamp the workpiece by a tool clamp of a numerical control machining center and then drill the workpiece. The existing numerical control machining center tool clamp is generally clamped by an air cylinder, each workpiece is required to be positioned once by adopting the machining mode, the action response of the air cylinder is slow, the operation is inconvenient, the working efficiency is low, the phenomena of tool jump and the like often occur due to unstable air cylinder clamping, and the clamping of the workpiece is not easy to cause unqualified products; so that currently mass production units will attempt to use hydraulic rods to clamp the clamps.
The section steel is a bar-shaped steel with a certain section shape and size, and is one of four kinds of steel (plate, pipe, shape and wire). The section steel is classified into a simple section steel and a complex section steel (deformed steel) according to the sectional shape. The former refers to square steel, round steel, flat steel, angle steel, hexagonal steel and the like; the latter refers to I-steel, channel steel, rail, window frame steel, bent section steel, etc.
The grant bulletin numbers disclosed in the chinese patent literature are: the utility model patent of CN202090371U, it discloses a kind of "gripping device used for all-hydraulic control on the excavator", and disclose including link, assembled bearing block, gripper, hydraulic rotary motor, hydraulic cylinder, connecting plate, journal stirrup specifically; the connecting frame is connected to the upper part of the shell of the assembled bearing seat, the rotary mandrel of the hydraulic rotary motor is connected with the flange on the upper part of the mandrel of the assembled bearing seat through bolts, the shell of the hydraulic rotary motor is fixed on the connecting frame, the grippers are hinged on the connecting plate on the lower part of the assembled bearing seat through the hinge shafts, one end of the hydraulic cylinder is hinged on the connecting plate, and the other end of the hydraulic cylinder is hinged on the lugs of the two grippers. When the connecting frame of the device is lifted and overturned by the tail end of the bucket rod of the excavator, the weight and the bending moment of the whole gripper are borne by the assembled bearing seat and the connecting frame, and the hydraulic rotary motor only controls the rotation of the whole mechanism and does not bear any gravity and bending moment. Thereby protecting the hydraulic rotary motor from being damaged by bending moment and greatly improving the strength and rigidity of the whole grabbing device.
However, when the gripping device for full hydraulic control on the excavator is used for carrying the section steel, the problem that the gripping claws of different models need to be replaced for different models often exists.
The above information disclosed in the above background section is only for enhancement of understanding of the background of the disclosure and therefore it may include information that does not form the prior art that is already known to those of ordinary skill in the art.
Disclosure of Invention
The utility model provides a main aim at provides a hydraulic pressure grabbing device, aims at solving the technical problem that often has the gripper jaw's of changing different models to different models problem when handling shaped steel, can realize under the condition of not changing gripper jaw, the shaped steel of more models of centre gripping and size that can be stable.
In order to solve the technical problem, the application provides a hydraulic grabbing device, including connecting piece and two gripper claws, two gripper claws rotate respectively and install in the connecting piece both ends. Any gripper jaw includes first clamping part, second clamping part, third clamping part and first hydraulic telescoping rod, and first clamping part one end rotates with the connecting piece to be connected, and first clamping part other end and second clamping part fixed connection, the one end that first clamping part was kept away from to the second clamping part is connected with third clamping part, and first hydraulic telescoping rod both ends rotate with first clamping part and connecting piece respectively to be connected.
Optionally, in some embodiments of the present utility model, the connecting piece and the first clamping portion are both provided with a limiting hole, and both ends of the first hydraulic telescopic rod are both provided with a first rotating shaft used together with the limiting hole.
Alternatively, in some embodiments of the present utility model, the angle between the first clamping portion and the second clamping portion is 90 ° -135 °.
Alternatively, in some embodiments of the present utility model, the second clamping portion and the third clamping portion are rotatably connected.
Optionally, in some embodiments of the present utility model, the above-mentioned device further includes a second hydraulic telescopic rod, the second clamping portion and the third clamping portion are respectively provided with a limiting hole, and both ends of the second hydraulic telescopic rod are respectively provided with a second rotating shaft matched with the limiting holes.
Alternatively, in some embodiments of the present utility model, the number of the first clamping portions and the second clamping portions are two and are arranged at intervals, and the third clamping portion is installed between the two second clamping portions.
Optionally, in some embodiments of the present utility model, a baffle is disposed between the two second clamping portions, and the baffle is located on an outward side of the third clamping portion.
Optionally, in some embodiments of the utility model, the third clamping portion is provided with anti-skid patterns.
Optionally, in some embodiments of the present utility model, the connecting piece includes a fixing block and a connector, the fixing block and the connector are detachably connected, the first hydraulic telescopic rod is installed on the connector, and the first clamping portion is installed on the fixing block.
Optionally, in some embodiments of the present utility model, the fixing block and the connecting head are detachably connected by bolts.
The beneficial effects that this application can realize.
The embodiment of the application provides a hydraulic grabbing device, including connecting piece and two gripper jaws, two gripper jaws rotate respectively and install in the connecting piece both ends, and arbitrary gripper jaw includes first clamping part, second clamping part, third clamping part and first hydraulic telescoping rod, and first clamping part one end rotates with the connecting piece to be connected, and first clamping part other end and second clamping part fixed connection, the one end that first clamping part was kept away from to the second clamping part are connected with third clamping part, and first hydraulic telescoping rod both ends rotate with first clamping part and connecting piece respectively to be connected.
Two clamping claws are rotatably installed below two sides of the connecting piece, and any clamping claw sequentially comprises a first clamping part, a second clamping part and a third clamping part along the extending direction of the clamping claw, wherein one end of the first clamping part is rotatably connected with the connecting piece, the first clamping part is fixedly connected with the second clamping part, and one end of the second clamping part, far away from the first clamping part, is rotatably connected with the third clamping part. When the clamping jaw is used, the angle between the second clamping part and the third clamping part can be adjusted according to the shape and the size of the section steel to be clamped, so that the stability of the clamping jaw when clamping the section steel with different shapes and sizes is further enhanced.
Drawings
FIG. 1 is a front view of a hydraulic gripping device according to an embodiment of the present utility model;
FIG. 2 is a front view of a hydraulic gripping device according to an embodiment of the present utility model after being opened;
FIG. 3 is a side view of a hydraulic gripping device according to an embodiment of the present utility model;
fig. 4 is a side view of the inside of a hydraulic gripping device according to an embodiment of the present utility model.
Icon: 1-connecting piece, 11-fixed block, 12-connector, 2-gripper jaw, 21-first clamping part, 22-second clamping part, 23-third clamping part, 24-first hydraulic telescopic link, 25-second hydraulic telescopic link, 26-first pivot, 27-second pivot, 3-baffle, 4-anti-skid.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to fig. 1 to 4, a first embodiment of the present application provides a hydraulic gripping device, which includes a connecting member 1 and two gripper claws 2, wherein the two gripper claws 2 are rotatably mounted at both ends of the connecting member 1.
Any gripper 2 includes first clamping part 21, second clamping part 22, third clamping part 23 and first hydraulic telescopic link 24, and first clamping part 21 one end rotates with connecting piece 1 to be connected, and first clamping part 21 other end and second clamping part 22 fixed connection, and second clamping part 22 keep away from first clamping part 21's one end and third clamping part 23 to be connected, and first hydraulic telescopic link 24 both ends rotate with first clamping part 21 and connecting piece 1 respectively and are connected.
Two clamping claws 2 are rotatably mounted below two sides of the connecting piece 1 in this embodiment, and each clamping claw 2 sequentially comprises a first clamping part 21, a second clamping part 22 and a third clamping part 23 along the extending direction of the clamping claw 2, wherein one end of the first clamping part 21 is rotatably connected with the connecting piece 1, the first clamping part 21 is fixedly connected with the second clamping part 22, and one end of the second clamping part 22 far away from the first clamping part 21 is rotatably connected with the third clamping part 23. When the clamping jaw is used, the angle between the second clamping part 22 and the third clamping part 23 can be adjusted according to the shape and the size of the section steel to be clamped, so that the stability of the clamping jaw 2 when clamping the section steel with different shapes and sizes is further enhanced.
Alternatively, the connector 1 and the holding claws 2 of the present embodiment are each made of stainless steel.
The connecting piece 1 and the first clamping part 21 are respectively provided with a first limiting hole, and two ends of the first hydraulic telescopic rod 24 are respectively provided with a first rotating shaft 26 matched with the first limiting holes.
The connecting piece 1 and the first clamping part 21 of the embodiment are in rotary connection by embedding the first rotating shaft 26 into the first limiting hole.
The angle between the first clamping portion 21 and the second clamping portion 22 is 90 ° -135 °.
The included angle between the first clamping portion 21 and the second clamping portion 22 of this embodiment ranges from 90 ° to 135 °, so that the stability of the hydraulic gripping device when clamping the section steel is enhanced.
The second clamping part 22 and the third clamping part 23 are rotationally connected, and further comprise a second hydraulic telescopic rod 25, wherein the second clamping part 22 and the third clamping part 23 are respectively provided with a second limiting hole, and two ends of the second hydraulic telescopic rod 25 are respectively provided with a second rotating shaft 27 matched with the second limiting holes.
In this embodiment, the second rotating shafts 27 at two ends of the second hydraulic telescopic rod 25 are respectively connected with the second limiting hole of the second clamping portion 22 and the second limiting hole of the third clamping portion 23, so that the inclination angle between the second hydraulic telescopic rod 25 and the second clamping portion 22 and the third clamping portion 23 can be conveniently adjusted, the profile steel with different shapes and sizes can be handled, and the stability of the clamping claw 2 in clamping the profile steel with different shapes and sizes can be further enhanced.
The number of the first clamping parts 21 and the second clamping parts 22 is two, the first clamping parts and the second clamping parts 22 are arranged at intervals, and the third clamping parts 23 are arranged between the two second clamping parts 22; a baffle 3 is arranged between the two second clamping parts 22, and the baffle 3 is positioned on one side of the third clamping part 23 outwards.
The first clamping part 21 and the second clamping part 22 of this embodiment are both sheet stainless steel, the two first clamping parts 21 and the two second clamping parts 22 are arranged at intervals by arranging a connecting rod, and the third clamping part 23 is connected in a rotating manner by the connecting rod.
Wherein a baffle plate 3 for limiting the rotation angle of the third clamping part 23 relative to the second clamping part 22 is arranged between the two second clamping parts 22
Optionally, the baffle 3 of this embodiment is a hollow structure, so that the overall weight of the hydraulic gripping device can be reduced.
The third clamping portion 23 is provided with anti-skid threads 4.
The third clamping part 23 of this embodiment is provided with a friction force for reinforcing between the hydraulic gripping device and the section steel to be clamped, thereby further enhancing the stability of the clamping claw 2 when clamping section steel of different shapes and sizes.
The connecting piece 1 comprises a fixed block 11 and a connector 12; the fixed block 11 is detachably connected with the connector 12, the first hydraulic telescopic rod 24 is installed on the connector 12, the first clamping part 21 is installed on the fixed block 11, and the fixed block 11 is detachably connected with the connector 12 through bolts.
The fixing block 11 and the connecting head 12 of the embodiment are detachably connected through bolts, so that the connecting head 12 is convenient to detach from the fixing block 11 or mount on the fixing block 11, and mechanical arms of different types can be dealt with by replacing the connecting heads 12 of different types.
The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model, and it will be apparent to those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiment, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

Claims (10)

1. A hydraulic gripping device, characterized in that: comprises a connecting piece and two clamping claws;
the two clamping claws are respectively rotatably arranged at two ends of the connecting piece;
any clamping claw comprises a first clamping part, a second clamping part, a third clamping part and a first hydraulic telescopic rod;
the first clamping part one end with the connecting piece rotates to be connected, the first clamping part other end with second clamping part fixed connection, the second clamping part keep away from the one end of first clamping part with the third clamping part is connected, first hydraulic telescoping rod both ends respectively with first clamping part with the connecting piece rotates to be connected.
2. The hydraulic gripping device of claim 1, wherein: the connecting piece with first clamping part all is equipped with first spacing hole, first hydraulic telescoping rod both ends all be equipped with the supporting first pivot that uses in first spacing hole.
3. The hydraulic gripping device of claim 1, wherein: the included angle between the first clamping part and the second clamping part is 90-135 degrees.
4. The hydraulic gripping device of claim 1, wherein: the second clamping part is rotationally connected with the third clamping part.
5. The hydraulic gripping device of claim 4, wherein: still include the second hydraulic telescoping rod, second clamping part with third clamping part all is equipped with the spacing hole of second, second hydraulic telescoping rod both ends all be equipped with the supporting second pivot that uses in the spacing hole of second.
6. The hydraulic gripping device of claim 1, wherein: the number of the first clamping parts and the second clamping parts is two, the first clamping parts and the second clamping parts are arranged at intervals, and the third clamping parts are arranged between the two second clamping parts.
7. The hydraulic gripping device of claim 6, wherein: a baffle is arranged between the two second clamping parts, and the baffle is positioned at one side of the third clamping part, which is outwards.
8. The hydraulic gripping device of claim 1, wherein: the third clamping part is provided with anti-skid patterns.
9. The hydraulic gripping device of claim 1, wherein: the connecting piece comprises a fixed block and a connector;
the fixed block is detachably connected with the connector, the first hydraulic telescopic rod is installed on the connector, and the first clamping part is installed on the fixed block.
10. The hydraulic gripping device of claim 9, wherein: the fixing block is detachably connected with the connector through bolts.
CN202321537106.6U 2023-06-15 2023-06-15 Hydraulic grabbing device Active CN220330689U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321537106.6U CN220330689U (en) 2023-06-15 2023-06-15 Hydraulic grabbing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321537106.6U CN220330689U (en) 2023-06-15 2023-06-15 Hydraulic grabbing device

Publications (1)

Publication Number Publication Date
CN220330689U true CN220330689U (en) 2024-01-12

Family

ID=89446721

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321537106.6U Active CN220330689U (en) 2023-06-15 2023-06-15 Hydraulic grabbing device

Country Status (1)

Country Link
CN (1) CN220330689U (en)

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