A hydraulic driving clamping device based on sudden elastic jump change principle

Abstract

The present application relates to the technical field of aquaculture, and more particularly to a liquid driving clamping device based on the principle of sudden elastic jump, comprising a support, a clamping assembly is arranged on the support, and a hydraulic pipe group is arranged on the clamping assembly; the clamping assembly comprises a first clamping piece and a second clamping piece which are symmetrically arranged and can be buckled, and one side of the first clamping piece and the second clamping piece is rotatably connected with the support. The present application is made of flexible rubber, and will not cause damage to small aquatic organisms in the grabbing process. The convex curved surface structure based on the principle of sudden elastic jump is adopted, the size of the force is self-adaptive with the size of the grabbed object when closed, the driving force is liquid driving, the noise is low, and there is no risk of electric leakage in underwater operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of aquaculture technology, in particular to a liquid force driven clamping device based on the principle of sudden elastic deformation. BACKGROUND

[0002] In the process of aquaculture and scientific research, it is often necessary to catch a small amount of small-sized living organisms. Artificially, it is impossible to achieve a small amount of fishing for fish eggs, frog eggs and small fry.

[0003] The common fishing tool is a fishing net, but in the process of fishing, small-sized organisms are easy to escape. Chinese patent CN205547049U discloses a new fishing device, which relates to the field of fishing device. The upper end of the operating rod passes through the circular long hole and the spring device inside to be fixedly connected with the hollow small cylinder surface in the middle of the front end of the sliding sleeve device of the net cover. The two ends of the hollow small cylinder are respectively screwed into the two same hollow large cylinders. The two same hollow large cylinders are provided with second spring devices. The ball is wrapped outside the two hollow large cylinders. The ball is embedded in the push-pull groove of the inner wall of the net frame at the opening of the upper surface of the net. The net cover is provided with the front end of the push-pull groove of the inner wall of the net frame. The left and right inner walls of the net frame are provided with push-pull grooves with equal length. The end of the net frame is tightly connected with the front end of the circular long hole of the net rod. It adopts a semi-automatic structure design, which not only saves the operation time, but also solves the problem of fish and shrimp jumping out of the traditional fishing net.

[0004] However, the above technical solution still has the following defects: the fishing process is easy to cause damage to these small underwater organisms, the cost of the shaft type closer is high, and the circuit system of the electrode may also have a risk of electric leakage under water. SUMMARY

[0005] The technical problem to be solved by the present application is to provide a liquid force driven clamping device based on the principle of sudden elastic deformation, which is made of flexible rubber and will not cause damage to small aquatic organisms during the grabbing process. The convex curved surface structure based on the principle of sudden elastic deformation is adopted. The size of the force is self-adaptive to the size of the grabbed object during closing. The driving force is liquid force, the noise is low, and there is no risk of electric leakage during underwater operation.

[0006] In order to solve the above technical problems, the present application adopts the following technical solutions:

[0007] The utility model provides a kind of liquid drive clamping device based on the principle of sudden elastic jump change, including support, the support is equipped with clamping assembly, and the clamping assembly is connected with hydraulic pipe group;The clamping assembly includes symmetrical first clamping piece and second clamping piece that can be buckled, and the side of first clamping piece and second clamping piece is respectively rotatably connected with the support;Symmetrical first clamping piece and second clamping piece include elastic capsule, and the side of the outer surface of elastic capsule is fixedly connected with the support, and the other side of elastic capsule is equipped with buckle edge, and the buckle edge on the elastic capsule of symmetrical state is mutually abutted;The hydraulic pipe group includes inner side hydraulic pipeline and outer side hydraulic pipeline, and inner side hydraulic pipeline and outer side hydraulic pipeline are respectively arranged on the inner side and outer side of elastic capsule.

[0008] Further, the buckle edge is provided with corrugated tooth tip, and the two opposite buckle edges are staggered buckling in the closed state.

[0009] Further, the inner side hydraulic pipeline includes first annular pipeline arranged inside the elastic capsule and first vertical pipeline communicated and arranged in the ring of the first annular pipeline;The outer side hydraulic pipeline includes second annular pipeline arranged inside the elastic capsule and second vertical pipeline communicated and arranged in the ring of the second annular pipeline.

[0010] Further, the inside of the elastic capsule is provided with a support vane, the vane is in a grid structure, and the vane is located between the inner side hydraulic pipeline and the outer side hydraulic pipeline.

[0011] Further, the end of the inner side hydraulic pipeline and the outer side hydraulic pipeline is respectively provided with an external connection pipe, and the external connection pipe is respectively communicated with an external hydraulic pump.

[0012] Further, the support includes a support crossbar connected with the first clamping piece and the second clamping piece, and the two ends of the support crossbar are respectively connected with an extension operating rod, and the extension operating rod is vertically connected with the end of the support crossbar.

[0013] The utility model has the beneficial effects that:

[0014] When the aquatic product needs to be fished, only need to set the clamping assembly to the open state, extend into the position needing to be fished, then operate the hydraulic pipe group, control the clamping assembly to change into the closed state when the corresponding aquatic product enters the clamp, clamp the aquatic product between the first clamping piece and the second clamping piece, then take out the whole device, control the hydraulic pipe group to open the clamping piece to take out the fished aquatic product; wherein the first clamping piece and the second clamping piece are made of high elastic material and are designed in arc shape, which can protect the aquatic product as much as possible from being hurt when opening and closing, the inner side hydraulic pipeline and the outer side hydraulic pipeline are arranged on the inner side and the outer side of the elastic capsule respectively, when using, pre-stress is applied to the arc-shaped elastic capsule, hydraulic pressure is applied to the outer side hydraulic pipeline of the outer side, at the same time, hydraulic pressure is reduced to the inner side hydraulic pipeline of the inner side, the first clamping piece and the second clamping piece of the clamping device are separated and in the open state; on the contrary, the hydraulic pressure of the outer side hydraulic pipeline of the outer side is reduced, at the same time, the hydraulic pressure of the inner side hydraulic pipeline of the inner side is increased, the first clamping piece and the second clamping piece of the clamping device are closed, the edges are mutually abutted and in the open state. The present application is made of flexible rubber, the grabbing process will not cause damage to the tiny aquatic organisms, the convex curved surface structure based on the sudden elastic jump principle is adopted, the force size is self-adaptive with the size of the grabbed object when closing, the driving force is hydraulic driving, the noise is low, and there is no risk of electric leakage in underwater operation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a closed state structure schematic diagram of the present application;

[0016] Figure 2 It is an open state structure schematic diagram of the present application;

[0017] Figure 3 It is a cross-sectional structure schematic diagram of the present application in the open and closed states;

[0018] Figure 4 It is a blade structure schematic diagram of the present application;

[0019] Figure 5 It is a clamping piece internal pipeline layout structure schematic diagram of the present application. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of those skilled in the art, the present application will be further described below in combination with embodiments and drawings, and the content mentioned in the embodiments is not a limitation of the present application.

[0021] As Figures 1-5As shown, the present application provides a hydraulic drive clamping device based on the principle of sudden elastic jump change, comprising a support 1, the support 1 is provided with a clamping assembly 2, the clamping assembly 2 is connected with a hydraulic pipe group 3; the clamping assembly 2 comprises a symmetrical first clamping piece 21 and a second clamping piece 22 which can be buckled, one side of the first clamping piece 21 and the second clamping piece 22 is respectively rotatably connected with the support 1; the symmetrical first clamping piece 21 and the second clamping piece 22 both comprise an elastic capsule 211, one side of the outer surface of the elastic capsule 211 is fixedly connected with the support 1, the other side of the elastic capsule 211 is provided with a buckling edge 212, the buckling edges 212 on the symmetrical elastic capsules 211 abut each other in the closed state; the hydraulic pipe group 3 comprises an inner side hydraulic pipe 31 and an outer side hydraulic pipe 32, the inner side hydraulic pipe 31 and the outer side hydraulic pipe 32 are respectively arranged on the inner side and the outer side of the elastic capsule 211.

[0022] In this embodiment, when it is necessary to catch aquatic products, only need to set the clamping assembly 2 to the open state, extend into the position where it is necessary to catch, then operate the hydraulic pipe group 3, control the clamping assembly 2 to change to the closed state when the corresponding aquatic product enters the clamp, and then clamp the aquatic product between the first clamping piece 21 and the second clamping piece 22, and then take out the whole device, control the hydraulic pipe group 3 to open the clamping piece to take out the aquatic product on the catch; wherein the first clamping piece 21 and the second clamping piece 22 are both made of high-elasticity material and are designed in arc shape, which can protect the aquatic product as much as possible from being damaged in the process of opening and closing, the inner side hydraulic pipe 31 and the outer side hydraulic pipe 32 are respectively arranged on the inner side and the outer side of the elastic capsule 211, when in use, pre-stress is applied to the arc-shaped elastic capsule 211, hydraulic pressure is applied to the outer side hydraulic pipe on the outer side, and at the same time, hydraulic pressure is reduced to the inner side hydraulic pipe on the inner side, the first clamping piece 21 and the second clamping piece 22 of the clamping device are separated and in the open state; on the contrary, hydraulic pressure is reduced to the outer side hydraulic pipe on the outer side, and at the same time, hydraulic pressure is applied to the inner side hydraulic pipe on the inner side, the first clamping piece 21 and the second clamping piece 22 of the clamping device are closed, the buckling edges 212 abut each other and in the open state. The clamping device is made of flexible rubber, which will not cause damage to the tiny aquatic organisms in the process of grabbing, adopts the convex curved surface structure based on the principle of sudden elastic jump change, the size of the force is self-adaptive to the size of the grabbed object when closed, the driving force is hydraulic drive, the noise is low, and there is no risk of electric leakage in underwater operation.

[0023] As Figure 2 , 3As shown, the buckle edge 212 is provided with corrugated tooth tips 213, and the two opposite buckle edges 212 are staggered and buckled in the closed state. In this embodiment, the corrugated tooth tips 213 are staggered and buckled in the closed state, which can appropriately reduce the water resistance when closed, making the buckling more smooth, and the staggered buckling can be more stable, preventing the first clamping piece 21 and the second clamping piece 22 from being misaligned when closed to cause the aquatic products to escape.

[0024] As shown in Figure 3 , 5 , the inner hydraulic pipeline 31 includes a first annular pipeline 311 arranged inside the elastic bag body 211 and a first vertical pipeline 312 arranged in the ring of the first annular pipeline 311; the outer hydraulic pipeline 32 includes a second annular pipeline 321 arranged inside the elastic bag body 211 and a second vertical pipeline 322 arranged in the ring of the second annular pipeline 321; in this embodiment, the first clamping piece 21 and the second clamping piece 22 are arranged in an up-down structure, and the annular and vertical pipelines are arranged in the first clamping piece 21 and the second clamping piece 22; the annular and vertical pipelines are connected, the inner side is composed of the first annular pipeline 311 and the first vertical pipeline 312, and two sets of inner circulation pipelines are arranged; the outer side is composed of the second annular pipeline 321 and the second vertical pipeline 322, and two sets of outer circulation pipelines are arranged, and the design of the two sets of pipelines facilitates more accurate control of the opening and closing of the elastic bag body 211.

[0025] As shown in Figure 3 , 5 , the inside of the elastic bag body 211 is provided with a support blade 214, the blade 214 is in a grid structure, and the blade 214 is located between the inner hydraulic pipeline 31 and the outer hydraulic pipeline 32; in this embodiment, the blade 214 supports the elastic bag body 211 inside the elastic bag body 211, the edge is arc-shaped, and the blade 214 is located between the inner hydraulic pipeline 31 and the outer hydraulic pipeline 32, which plays a role in separating and supporting.

[0026] As shown in Figure 2 , the ends of the inner hydraulic pipeline 31 and the outer hydraulic pipeline 32 are respectively provided with an external connection pipe 33, and the external connection pipe 33 is respectively connected to an external hydraulic pump; in this embodiment, the inner hydraulic pipeline 31 and the outer hydraulic pipeline are respectively controlled to inflate or deflate by operating the externally connected hydraulic pump.

[0027] As shown in Figure 2 , the support 1 includes a support cross bar 11 connected to the first clamping piece 21 and the second clamping piece 32, the two ends of the support cross bar 11 are respectively connected to an extension operating rod 12, and the extension operating rod 12 is connected to the end of the support cross bar 11 perpendicularly; in this embodiment, the support cross bar 11 and the extension operating rod 12 form a door-shaped structure support, which is convenient for operation on the water surface.

[0028] All the technical features in the embodiment can be modified in appearance according to actual needs.

[0029] The above embodiment is a preferred implementation of the present application, and in addition thereto, the present application can be implemented in other ways, and any obvious replacement without departing from the technical solution concept is within the protection scope of the present application.

Claims

1. A hydraulic drive gripping device based on the principle of sudden elastic jump change, characterized in that: The utility model provides a kind of hydraulic pipe group, including support (1), which is provided with clamping assembly (2) on the support (1), and hydraulic pipe group (3) is connected on the clamping assembly (2); The clamping assembly (2) includes symmetrically arranged first clamping piece (21) and second clamping piece (22) that can be buckled, and one side of the first clamping piece (21) and the second clamping piece (22) is rotatably connected with the support (1) respectively. The symmetric first clamping piece (21) and the second clamping piece (22) each include an elastic capsule (211), one side of the outer surface of the elastic capsule (211) is fixedly connected with the support (1), and the other side of the elastic capsule (211) is provided with a buckle edge (212), and the buckle edges (212) on the symmetric elastic capsules (211) abut against each other in a closed state. The hydraulic pipe group (3) includes an inner hydraulic pipeline (31) and an outer hydraulic pipeline (32), and the inner hydraulic pipeline (31) and the outer hydraulic pipeline (32) are arranged on the inner side and the outer side of the elastic capsule (211) respectively. The elastic capsule (211) is provided with a support vane (214) inside, the support vane (214) is in a grid structure, and the support vane (214) is located between the inner hydraulic pipeline (31) and the outer hydraulic pipeline (32).

2. A hydraulic drive gripping device based on the principle of sudden elastic jump change according to claim 1, characterized in that: The buckle edge (212) is provided with a corrugated tooth tip (213), and the two opposite buckle edges (212) are staggered and buckled in a closed state.

3. A hydraulic drive gripping device based on the principle of sudden elastic jump change according to claim 1, characterized in that: The inner hydraulic pipeline (31) includes a first annular pipeline (311) arranged inside the elastic capsule (211) and a first vertical pipeline (312) communicated and arranged in the ring of the first annular pipeline (311); and the outer hydraulic pipeline (32) includes a second annular pipeline (321) arranged inside the elastic capsule (211) and a second vertical pipeline (322) communicated and arranged in the ring of the second annular pipeline (321).

4. A hydraulic drive gripping device based on the principle of sudden elastic jump change according to claim 1, characterized in that: The ends of the inner hydraulic pipeline (31) and the outer hydraulic pipeline (32) are respectively provided with an external connection pipe (33), and the external connection pipes (33) are respectively communicated with an external hydraulic pump.

5. A hydraulic drive gripping device based on the principle of sudden elastic jump change according to claim 1, characterized in that: The support (1) includes a support crossbar (11) connected with the first clamping piece (21) and the second clamping piece (22), and the two ends of the support crossbar (11) are respectively provided with an extension operating rod (12), and the extension operating rod (12) is perpendicularly connected with the end of the support crossbar (11).

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