CN217417359U - Gravity self-adaptation grabbing device - Google Patents

Abstract

The utility model relates to a snatch equipment technical field, especially relate to a gravity self-adaptation grabbing device, including left clamp, right clamp, first hinge and second hinge, connecting piece one and connecting piece two, the first end of connecting piece one and connecting piece two all is articulated with first hinge, and left clamp and right clamp all are articulated with the second hinge, and the second end of connecting piece one and the tip that left clamp are articulated, and the second end of connecting piece two and the tip that right clamp are articulated. The first ends of the first connecting piece and the second connecting piece are hinged to the first hinge shaft, the left clamp and the right clamp are respectively hinged to the second hinge shaft, the second ends of the first connecting piece and the second connecting piece are respectively hinged to the end portions of the left clamp and the right clamp, and hinged hinge points form a stably connected parallelogram structure. The utility model discloses simple structure, the processing preparation degree of difficulty is low, only needs to rely on the action of gravity of heavy object self to realize pressing from both sides to get or snatch during the promotion, need not to use extra power to press from both sides to get or snatch to the heavy object, and the practicality is strong.

Description

Gravity self-adaptation grabbing device

Technical Field

The utility model relates to a snatch equipment technical field, especially relate to a gravity self-adaptation grabbing device.

Background

The death of livestock often occurs in large-scale breeding production, in recent years, due to the influence of African swine fever, pigs which are ill or dead frequently appear in a large area in a pig farm, once the pigs which are ill or dead are found, the pigs which are ill or dead need to be timely transported away, a breeding unit where the pigs which are ill or dead are located needs to be disinfected and sterilized, most pigs which are ill or dead are in houses in the breeding unit, the traditional dragging device is not easy to drag, the transportation process is time-consuming and labor-consuming, common grabbing devices on the market are generally large in size, the pigs which are ill or dead are dragged by an air cylinder and a hydraulic cylinder, or an electric winch, due to the limitation of the houses of the breeding units, the grabbing devices cannot well adapt to the field environment, certain difficulty is brought to the grabbing work, even manual transportation is often needed, and due to the fact that operators frequently enter different pig house units, potential danger is easily brought to other breeding units, thereby posing a biological safety risk.

Therefore, an urgent need exists in the art to provide a gripping device that can avoid manual handling to a great extent and is well suitable for a narrow pigsty space.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a gravity self-adaptation grabbing device.

In order to achieve the above object, the utility model provides a following technical scheme:

a gravity self-adaptive grabbing device comprises a left clamp, a right clamp, a first hinge shaft, a second hinge shaft, a first connecting piece and a second connecting piece, wherein the first hinge shaft and the second hinge shaft are arranged in parallel and can move relatively in the vertical direction, the first ends of the first connecting piece and the second connecting piece are hinged to the first hinge shaft, the left clamp and the right clamp are hinged to the second hinge shaft, the second end of the first connecting piece is hinged to the end of the left clamp, the second end of the second connecting piece is hinged to the end of the right clamp, and the opposite inner sides of the left clamp and the right clamp are clamping sides used for clamping and grabbing a heavy object.

The beneficial effects are that: the first ends of the first connecting piece and the second connecting piece are hinged on the first hinge shaft, the left clamp and the right clamp are respectively hinged on the second hinge shaft, the second ends of the first connecting piece and the second connecting piece are respectively hinged with the end parts of the left clamp and the right clamp, the hinged point of the hinged connection forms a stably connected parallelogram structure, when a heavy object is lifted or pulled transversely, the first connecting piece and the second connecting piece deform due to the movement of the first hinge shaft, and simultaneously, when the heavy object is grabbed by the left clamp and the right clamp, the left clamp and the right clamp generate a closing trend and rotate around the hinged part of the left clamp and the second hinge shaft due to the acting force generated by the heavy object on the left clamp and/or the right clamp, in the process, because the end parts of the left clamp and the right clamp are respectively connected with the first connecting piece and the second connecting piece, the acting force generated by the movement of the first hinge shaft on the first connecting piece and the second connecting piece and the acting force generated by the heavy object on the left clamp and/or the right clamp The parallelogram structure has the same tendency to deform, so that the weight is clamped for lifting or pulling transversely. The utility model discloses simple structure, the processing preparation degree of difficulty is low, only needs the action of gravity that relies on heavy object self to realize pressing from both sides to get or snatch during the promotion, and need not to use extra power to press from both sides to get to heavy object or snatch, and the practicality is stronger.

As a further development, the first hinge shaft is provided with a spreader for connecting a lifting device.

The beneficial effects are that: the lifting device is connected with the lifting device through the lifting appliance instead of directly lifting the lifting device on the first hinge shaft, so that the stability of the lifting process is ensured, and a heavy object can be better grabbed or clamped.

As a further improvement, the left clamp and the right clamp are respectively provided with a plurality of baffle plates which are distributed in parallel along the axial direction of the first hinge shaft in sequence so as to increase the clamping range along the axial direction of the first hinge shaft.

The beneficial effects are that: in any direction of the hinge shaft, the baffles are arranged in parallel, so that the clamping range of the left clamp and the right clamp is larger, a long heavy object can be better grabbed or clamped, and the device has a wider application scene.

As a further improvement, the left and right clips further include a connecting member for connecting the plurality of baffle plates.

The beneficial effects are that: the connecting piece not only plays the effect of connecting the baffle, can also play and press from both sides the reinforced effect of right side clamp to the left side.

As a further improvement, the bottoms of the left and right clamps are respectively provided with wheels, so that the left and right clamps move back to back and slide to two sides to separate when the gravity self-adaptive grabbing device is opened.

The beneficial effects are that: the bottom of pressing from both sides and right clamp on a left side sets up the wheel respectively, its predominant use takes place when grabbing device opens, because the heavy object is in the state of being pressed from both sides this moment, when placing grabbing device on ground, the heavy object is because the action of gravity produces the effort to left clamp and right clamp, this moment because first hinge no longer by hoisting device upwards promote and do not have the trend that makes left clamp and right clamp produce the closure, consequently the heavy object presss from both sides with the right clamp and produces the effort and make left clamp and right clamp produce the trend of opening, because the existence of wheel this moment, take place to roll through wheel and ground, make left clamp and right clamp separate more easily.

As a further improvement, the hinge device further comprises a switch which is hinged with the second hinge shaft and is provided with a sliding groove, the first hinge shaft is slidably and adjustably assembled in the sliding groove, and the sliding groove comprises one or more locking grooves which are sequentially arranged along the radial direction of the second hinge shaft and are used for clamping the first hinge shaft.

The beneficial effects are that: through setting up the switch to set up the spout that is used for adjusting first hinge and second hinge apart from and be used for the locking groove with first hinge chucking on the switch, thereby can adjust the position of first hinge in the spout, and when first hinge was located arbitrary locking inslot, all can make grabbing device's left side press from both sides and the right side presss from both sides and does not take place relative motion. Wherein when first hinge is located the locking groove of below, the left side presss from both sides and is the open mode and can prevent that the left side from pressing from both sides and press from both sides the unexpected closure with the right side, when first hinge is located the locking groove of top, the left side presss from both sides and is the closed mode with the right side and can prevent that the left side from pressing from both sides and press from both sides the unexpected opening with the right side. In addition, the arrangement of the plurality of locking grooves also helps to keep the clamping state of the left clamp and the right clamp in the radial direction along any hinge shaft, namely after the opening and closing degree of the left clamp and the right clamp is determined according to the size of the heavy object, the first hinge shaft is placed in the most suitable locking groove and the left clamp and the right clamp are kept still, so that the heavy object is prevented from being injured or damaged due to excessive clamping of the clamped heavy object caused by self-adaption of the gravity of the structure during lifting.

As a further improvement, the distance from the end of any one of the lock grooves to the second hinge shaft is greater than the distance from the beginning of the lock groove to the second hinge shaft in the radial direction of the second hinge shaft, so as to prevent the first hinge shaft from being disengaged from the corresponding lock groove when gripping a lifting weight.

The beneficial effects are that: in the radial direction of the second hinge shaft, the distance from the end of the locking groove to the second hinge shaft is greater than the distance from the beginning of the locking groove to the second hinge shaft, so that when the first hinge shaft is located at the end of the locking groove, if the first hinge shaft is to be separated from the locking groove, the first hinge shaft needs to be withdrawn downwards to the beginning of the locking groove.

As a further improvement, the left and right clips are each concave in shape to form a gripping portion of the gripping device.

The beneficial effects are that: the left clamp and the right clamp are concave, and a space for accommodating a grabbed object is formed in the middle after the left clamp and the right clamp are closed, so that the situation that the heavy object falls off from the grabbing device due to the fact that the gravity of the heavy object is larger than the friction force between the heavy object and the left clamp and the friction force between the heavy object and the right clamp are avoided.

As a further improvement, the first hinge shaft is located above the second hinge shaft.

The beneficial effects are that: the corresponding clamp is conveniently arranged on the first hinge shaft.

As a further improvement, the baffles in the left and right clips are arranged in parallel in the up-down direction. The beneficial effects are that: the baffles are arranged in parallel along the up-down direction, so that the stress of each baffle is relatively uniform and stable, and the baffles are convenient to manufacture and assemble.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of a gravity self-adaptive gripping device provided by the present invention;

FIG. 2 is a partial schematic view of the adaptive gravity gripping apparatus of FIG. 1;

FIG. 3 is a diagram illustrating a grabbing state of the gravity adaptive grabbing device shown in FIG. 1;

fig. 4 is a front view of fig. 3.

Detailed Description

Technical terms or scientific terms used in the present specification should be given their ordinary meanings as understood by those skilled in the art: the use of "first," "second," and the like, herein does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another; the terms "connected" or "communicating" and the like are not restricted to physical or mechanical connections, but may include various forms of connections, whether direct or indirect; "upper", "lower", "left", "right", "front", "rear", "far", "near", "beginning", "end", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also change accordingly; in addition, in the description of the present specification, the meaning of "a plurality" or "several" is two or more unless otherwise specified.

For a better understanding of the present invention, embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1, a gravity self-adaptive gripping device mainly comprises a left clamp 42, a right clamp 41, a first hinge shaft 1 and a second hinge shaft 2 which are arranged in parallel, a first connecting piece 32 and a second connecting piece 31, wherein the first ends of the first connecting piece 32 and the second connecting piece 31 are hinged with the first hinge shaft 1, and the left clamp 42 and the right clamp 41 are hinged with the second hinge shaft 2. Specifically, the opposite inner sides of the left clamp 42 and the right clamp 41 are clamping sides for clamping and grabbing a heavy object, and are used for grabbing the heavy object when the left clamp 42 and the right clamp 41 are closed in opposite directions, the approximately middle positions of the left clamp 42 and the right clamp 41 are hinged with the second hinge shaft 2, the second end of the first connecting piece 32 is hinged with the end part of the left clamp 42, the second end of the second connecting piece 31 is hinged with the end part of the right clamp 41, wherein the first end and the second end of the first connecting piece 32 are opposite ends of the first connecting piece 32, and the first end and the second end of the second connecting piece 31 are opposite ends of the second connecting piece 31. The first connecting member 32 may be a rod-shaped connecting member or a plate-shaped connecting member, and similarly, the second connecting member 31 may be a rod-shaped connecting member or a plate-shaped connecting member. In addition, the plate-shaped connecting piece can be a complete independent plate or a connecting piece consisting of a plurality of small plates, and the specific implementation mode can be set by a person skilled in the art according to the actual situation.

The first hinge shaft 1 and the second hinge shaft 2 are arranged at intervals in the up-down direction and can move relatively in the up-down direction, so that the left clamp 42, the right clamp 41, the first connecting piece 32 and the second connecting piece 31 can swing normally, and the left clamp 42 and the right clamp 41 can grab heavy objects normally.

In the above embodiment, as shown in fig. 1, and the first hinge shaft 1 is located above the second hinge shaft 2, it is convenient to provide a spreader 7 for connecting a lifting device on the first hinge shaft 1. Specifically, the hanger includes a fixing sleeve disposed on the first hinge shaft 1, an inner ring of the fixing sleeve may be made of rubber, and an outer ring of the fixing sleeve has a hanging ring, so that the hanger 7 may be prevented from sliding relative to the first hinge shaft 1 along an axial direction of the first hinge shaft 1.

In another embodiment, as shown in fig. 1 to 3, each of the left and right clips 42 and 41 has a plurality of blocking plates 5 sequentially distributed in the axial direction of the first hinge shaft 1 to increase the gripping range in the axial direction of the first hinge shaft 1. The individual baffles can in particular be connected using connecting rods 6, for example can be welded to the connecting rods 6. In order to improve the connection strength, a plurality of connecting rods can be distributed at intervals along the up-down direction. The arrangement directions of the baffles in the left clamp 42 and the baffles in the right clamp 41 are consistent, the arrangement mode of the baffles 5 is specifically described by taking the left clamp 42 as an example, the baffles in the left clamp 42 are sequentially distributed along the axial direction of the first hinge shaft 1, and the baffles are arranged in parallel along the vertical direction, so that the stress of the baffles is relatively uniform, the connecting rods are conveniently arranged along the horizontal transverse penetrating manner, and the processing and the manufacturing are convenient.

In yet another embodiment, as shown in fig. 1-4, the bottom of the left clip 42 and the right clip 41 are provided with wheels 8, respectively, to allow the left clip 42 and the right clip 41 to move away from each other and slide apart to either side when the gravity adaptive gripping device is opened. The wheels 8 can be a plurality of at least 4, so that when the left clamp and the right clamp of the grabbing device are opened, the wheels arranged in four directions can roll when the trend of back movement is generated, and the function of supporting the grabbing device can be achieved.

In other embodiments, as shown in fig. 1 and 4, the hinge further comprises a switch 9 hinged to the second hinge shaft 2 and having a sliding slot 91, the first hinge shaft 1 is slidably and adjustably assembled in the sliding slot 91, and the sliding slot 91 comprises a locking slot 92 for clamping the first hinge shaft 1. Specifically, the switch 9 may be a square plate, one position of the square plate is hinged to the second hinge shaft 2, a sliding groove 91 is formed above the hinged position, and the sliding groove 91 may be in a straight shape, so that a part and all of the sliding groove 91 can lock the first hinge shaft 1 relative to the second hinge shaft 2, that is, the first hinge shaft 1 slides into the locking groove 92, and the first hinge shaft 1 and the second hinge shaft 2 are relatively fixed by the switch 9.

In other embodiments, as shown in fig. 4, the sliding slot 91 of the switch 9 may include a common slot segment, the common slot segment is arranged in a straight line, the sliding slot 91 further includes a plurality of locking slots 92 communicated with the common slot segment, all the locking slots 92 are radially arranged along the second hinge shaft 2, the plurality of locking slots 92 may be located on one side of the common slot segment, or may be distributed on two opposite sides of the common slot segment, so as to ensure that the first hinge shaft 1 may be in the sliding slot 91 and may move to any position in the sliding slot 91 and the locking slots 92.

In the above embodiment, the distance from the end of any one of the locking grooves 92 to the second hinge shaft 2 is greater than the distance from the start of the locking groove 92 to the second hinge shaft 2 in the radial direction of the second hinge shaft 2 to prevent the first hinge shaft 1 from being disengaged from the locking groove 92 when lifted after gripping a heavy object. Specifically, the side of the square plate with the shorter side length may be hinged to the second hinge shaft 2, the direction of the sliding groove 91 is approximately set along the direction of the side of the square plate with the longer side, when the first hinge shaft 1 is located in the sliding groove 91, the direction of the sliding groove 91 is vertically upward, and in this state, the opening direction of the locking groove 92 is inclined upward relative to the sliding groove 91, so that the distance from the end of any locking groove 92 to the second hinge shaft 2 is greater than the distance from the start of the locking groove 92 to the second hinge shaft 2 in the radial direction of the second hinge shaft 2.

In other embodiments, as shown in fig. 1-4, left and right clips 42, 41 are each concave in shape to form a gripping portion of the grasping device. The left and right clips 42 and 41 may be formed in an arc shape, for example.

It should be noted that while various embodiments of the present invention have been shown and described herein, it will be obvious to those skilled in the art that such embodiments are provided by way of example only. Numerous modifications, changes, and substitutions will occur to those skilled in the art without departing from the spirit and scope of the present invention. It should be understood that various alternatives to the embodiments of the invention described herein may be employed in practicing the invention. The following claims are intended to define the scope of the invention and, accordingly, to cover module compositions, equivalents, or alternatives falling within the scope of the claims. Those skilled in the art will appreciate that the embodiments described above are illustrative of some, but not all embodiments of the disclosure. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

Claims (10)

1. A gravity adaptive grasping apparatus characterized in that: including left side clamp (42), right side clamp (41), first hinge (1), second hinge (2), connecting piece (32) and connecting piece two (31), first hinge (1) and second hinge (2) parallel arrangement, and first hinge (1) and second hinge (2) relative motion in the upper and lower direction, the first end of connecting piece one (32) and connecting piece two (31) all with first hinge (1) is articulated, left side clamp (42) and right side clamp (41) all with second hinge (2) are articulated, the second end of connecting piece one (32) with the tip of left side clamp (42) is articulated, the second end of connecting piece two (31) with the tip of right side clamp (41) is articulated, the relative inboard of left side clamp (42) and right side clamp (41) is the centre gripping side that is used for snatching the heavy object.

2. The gravity adaptive gripping device according to claim 1, wherein: the first hinge shaft (1) is provided with a lifting appliance (7) for connecting a lifting device.

3. The gravity adaptive gripping device according to claim 1, wherein: the left clamp (42) and the right clamp (41) are respectively provided with a plurality of baffle plates (5) which are sequentially distributed along the axial direction of the first hinge shaft so as to increase the clamping range along the axial direction of the first hinge shaft (1).

4. The gravity adaptive grasping apparatus according to claim 3, characterized in that: the left clamp (42) and the right clamp (41) further comprise connecting rods (6) used for connecting the baffles (5) respectively.

5. A gravity adaptive grasping device according to any one of claims 1 to 4, characterized in that: the bottom of the left clamp (42) and the bottom of the right clamp (41) are respectively provided with wheels (8), so that when the gravity self-adaptive grabbing device is opened, the left clamp (42) and the right clamp (41) move back to the back and slide to two sides to be separated.

6. The gravity adaptive grasping apparatus according to any one of claims 1 to 4, characterized in that: the hinge is characterized by further comprising a switch (9) which is hinged to the second hinge shaft (2) and provided with a sliding groove (91), the first hinge shaft (1) can be slidably and adjustably assembled in the sliding groove (91), and the sliding groove (91) comprises one or more locking grooves (92) which are sequentially arranged along the radial direction of the second hinge shaft (2) and used for clamping the first hinge shaft (1).

7. The gravity adaptive grasping device according to claim 6, wherein: the distance from the tail end of any one locking groove (92) to the second hinge shaft (2) is larger than the distance from the initial end of the locking groove (92) to the second hinge shaft (2) along the radial direction of the second hinge shaft (2) so as to prevent the first hinge shaft (1) from being separated from the corresponding locking groove (92) when a lifting heavy object is grabbed.

8. The gravity adaptive grasping apparatus according to any one of claims 1 to 4, characterized in that: the left clamp (42) and the right clamp (41) are both concave in shape to form a clamping portion of the gripping device.

9. The gravity adaptive grasping apparatus according to claim 2, characterized in that: the first hinge shaft (1) is positioned above the second hinge shaft (2).

10. The gravity adaptive grasping apparatus according to claim 3, characterized in that: the baffles (5) in the left clamp (42) and the right clamp (41) are arranged in parallel along the vertical direction.

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