CN117717432A - Rod-type ox hind limb fixator - Google Patents

Abstract

The invention belongs to the technical field of livestock and veterinary, and particularly relates to a rod type cattle hind limb fixator which comprises six functional pieces, namely a supporting rod, a supporting frame, left and right U-shaped pieces, left and right unidirectional rotating assemblies, a locking assembly and a releasing assembly; the lower end of the supporting rod is provided with a handle, and the upper end of the supporting rod, the left U-shaped piece and the right U-shaped piece are fixedly connected with the supporting frame; the left U-shaped piece and the right U-shaped piece are both opened upwards; the left-right unidirectional rotating assembly comprises an upper radial arm, a rotating wheel, a lower radial arm and a retaining piece, wherein the upper radial arm, the rotating wheel and the lower radial arm form a fixed component, the rotating wheel is rotationally connected with the supporting frame, and the retaining piece is rotationally connected with the supporting frame and is unidirectional meshed with the rotating wheel; the locking component and the releasing component all comprise a left steel wire rope, a right steel wire rope, a left reset spring, a right reset spring and a control switch. The invention solves two problems of high-efficiency fixation and safe fixation of the hind limbs of the cattle. The invention is mainly applied to the hind limb immobilization of cattle in short time and high frequency operation such as blood sampling, injection and the like, and has the characteristics of high efficiency, safety, portability and the like.

Description

Rod-type ox hind limb fixator

Technical Field

The invention belongs to the technical field of livestock and veterinary, and particularly relates to a rod-type cattle hind limb fixator.

Background

In the technical field of livestock and veterinary, bovine baoding is a protective measure for guaranteeing the safety of people and livestock in a certain operation process of cattle.

Bovine immobilization can be classified into head immobilization, neck immobilization, trunk immobilization, forelimb immobilization, hindlimb immobilization, whole immobilization, etc. according to the different immobilization parts.

The ox hind limb fixing method is that the line 8-shaped fixing method above the tarsal joint of the ox hind limb is commonly used at present. The method has the defects that: (1) the rope is soft, the fixing process is time-consuming and troublesome, the fixing of the cattle suffering from dysphoria is difficult to be finished, and people are easy to be kicked by the cattle; (2) when the rope is too tightly bound, the stability of the three limbs of the cattle is extremely poor, and the cattle is easy to fall down; (3) when the rope is too loose, the rope is easy to fall off, so that the ox is failed to fix.

The prior art discloses several cattle hindlimb guarantors, such as patent application number 201620140368.2, patent application number 201620835497.3, patent application number 201820946254.6 etc., and these several technical schemes compare rope 8 font guarantor method, change the rope into rigid material, and guarantor efficiency has improved to a certain extent, but the people need to be closely contacted with the cattle when installing guarantor device, have the risk of being kicked by the cattle.

The rope 8-shaped retaining method and the disclosed retaining technical schemes such as the cattle hind limb retaining device are limited in solving the safety problem of cattle kickers in the operation processes of taking blood, injecting and the like of cattle, but neglect the safety problem of the cattle kickers in the process of implementing the retaining, and have obvious technical defects.

When the cattle are subjected to short-time high-frequency operations such as blood sampling, injection and the like, a portable, efficient and safe cattle hind limb fixator is urgently needed.

Disclosure of Invention

The invention aims to solve the problem of bovine hindlimb fixation in the background technology, provides a rod-type bovine hindlimb fixation device, solves two problems of high-efficiency fixation and safe fixation of bovine hindlimb, and has the characteristics of high efficiency, safety, portability and the like.

The technical scheme of the invention is as follows:

a rod-type cattle hind limb fixator comprises a supporting rod, a supporting frame, left and right U-shaped parts, left and right unidirectional rotating components, a locking component and a release component. The lower end of the supporting rod is provided with a handle, and the upper end of the supporting rod is fixedly connected with the supporting frame; the support frame is provided with a left shaft column A, a right shaft column B, a left fulcrum A, a right fulcrum B and a left fulcrum A, and is fixedly connected with the left U-shaped piece and the right U-shaped piece; the left U-shaped piece and the right U-shaped piece are both opened upwards; the left-right unidirectional rotating assembly comprises an upper radial arm, a rotating wheel, a lower radial arm and a retaining piece, wherein the upper radial arm, the rotating wheel and the lower radial arm form a fixed component, the rotating wheel is rotationally connected with the support frame through a shaft post A, and the retaining piece is rotationally connected with the support frame through a shaft post B and is unidirectional meshed with the rotating wheel; the locking assembly comprises a left steel wire rope A, a right steel wire rope A, a left reset spring A and a right reset spring A, wherein one end of the steel wire rope A is connected with the lower rotating arm, the other end of the steel wire rope A is connected with the locking switch, the locking switch is arranged at the lower end of the supporting rod, one end of the reset spring A is connected with the upper rotating arm, and the other end of the reset spring A is connected with the fulcrum A; the release assembly comprises a left steel wire rope B, a right steel wire rope B, a left reset spring B and a release switch, wherein one end of the steel wire rope B is connected with the backstop piece, the other end of the steel wire rope B is connected with the release switch, the release switch is arranged at the near lower end of the supporting rod, one end of the reset spring B is connected with the backstop piece, and the other end of the reset spring B is connected with the fulcrum B. The upper end part of the retainer is bilaterally symmetrical.

Working principle: niu Shuan is clamped on a column or a nose of a cow by a cow nose clamp, so that the movement range of the cow is limited; the guard stands at a safe distance directly behind the cow; the left hand holds the middle part of the supporting rod, and the right hand holds the handle at the lower end of the supporting rod; the front pushing and fixing device is opposite to the upper part of the tarsal joint of the double hind limbs of the cattle, when the double hind limbs of the cattle are all propped against the bottom of the U-shaped piece, the middle finger of the right hand pulls the locking switch at the lower end of the supporting rod, the upper rotating arm plugs the opening of the U-shaped piece under the traction of the steel wire rope A and reduces the closed loop height, so that the double hind limbs of the cattle are rapidly locked; after operations such as blood sampling and injection are completed, the left hand moves backwards from the middle part of the supporting rod and pulls the release switch, the backstop piece is separated from the rotating wheel under the traction of the steel wire rope B, and the upper rotating arm is separated from the opening of the U-shaped piece under the action of the reset spring A, so that the quick release of the double hind limbs of the cattle is completed; the left hand releases the release switch, and the retaining piece and the rotating wheel recover to be meshed unidirectionally under the action of the reset spring B.

Preferably, the upper end of the supporting rod, the left U-shaped piece and the right U-shaped piece are fixedly connected with the supporting frame to form the same component, so that the structural stability is enhanced.

Preferably, the support frame is selected to be an integral fixed support frame; and secondly, selecting a telescopic support frame, and adjusting the distance between the left U-shaped piece and the right U-shaped piece to adapt to different inner distances of the double hind limbs of the cattle.

Preferably, the left and right rotating wheels select ratchets, and the left and right stopping members select ratchets.

Preferably, the ratchet wheel is a ratchet wheel with steps, and the upper rotating arm and the lower rotating arm are fixedly connected with the steps of the ratchet wheel.

Preferably, a left shaft column C and a right shaft column C are added to guide the trend of the steel wire rope A and avoid the steel wire rope A from contacting with a ratchet wheel.

Preferably, the left and right steel wire ropes A and B penetrate through the support rod.

Preferably, the design of the left steel wire sleeve A, the right steel wire sleeve B is added.

Preferably, the design of the left and right fulcra C and D is increased.

Preferably, the left and right return springs a select tension springs, and the left and right return springs B select compression springs.

Preferably, the locking switch selects a pull tab design and the release switch selects a sleeve design.

Preferably, the left and right axle posts B and the limit points of the upper radial arms are designed; the left and right fulcrums C and the limit point design of the lower radial arm.

Preferably, the length of the supporting rod is more than 1000mm, so as to meet the safety distance requirement between people and cattle in the process of fixing the cattle.

Preferably, the U-shaped piece and the upper radial arm select a round bar with the diameter of 10mm or a seamless steel tube with the outer diameter of 16mm and the thickness of 2mm so as to meet the stress intensity requirement.

The inner and outer distances above the tarsal joints of the two hind limbs of the cattle are affected by factors such as the variety, the individual size, standing posture and the like. Preferably, the hip width, the upper girth and the anteroposterior distance of the tarsal joints of a single hindlimb of an adult cow with the weight of 750 kg are used as design reference standards, and the shape and the size of a U-shaped part, the left and right width of a support frame, the rotatable angle of an upper rotating arm and a lower rotating arm are determined by combining the characteristics that the outer distance of the double hindlimb of the cow is smaller than the hip width by a few cm, the standing posture of the cow can be changed, the horn mouth design of the U-shaped part, the closed loop height of the U-shaped part can be adjusted and the like when the cow normally stands, the outer distance of the double hindlimb of the cow takes 400mm, the inner distance takes 220mm, the maximum anterior-posterior distance of the single hindlimb takes 200mm, the minimum takes 90mm, and the left-right distance of the single hindlimb takes 90mm, so that the shape and the size of the U-shaped part, the left-right width of the support frame, the rotatable angle of the upper rotating arm and the lower rotating arm of the U-shaped part are required to meet the hindlimb holding requirements of most cows. The third choice is to design three kinds of retainers of large, medium and small with different retaining ranges.

Preferably, the 304 stainless steel material is selected to meet cleaning and sanitizing requirements.

Treatment of special cases in the warranty procedure: (1) when the front pushing of the protector only causes one cow hind limb to enter the U-shaped piece, the locking switch cannot be buckled, the angle of the protector is adjusted, and when the cow hind limbs are propped against the bottom of the U-shaped piece, the locking switch is buckled, or the protector is withdrawn to operate again; (2) when the outer distance of the double hind limbs of the cattle is equal to or larger than the outer distance of the U-shaped piece, the protector is directly pushed forwards; (3) when the inner distance of the double hind limbs of the cattle is smaller than the inner distance of the U-shaped piece, the front pushing and fixing device is inclined; (4) when the outer distance (or inner distance) of the double hind limbs of the cattle is at a point outside the horn mouth of the U-shaped part, the front end of the protector is used for touching the bracket to change the standing posture, and then the protector is pushed forward; (5) the preferred size range is not described above when the outer distance of the bovine dual hind limb is too large beyond the U-shaped horn mouth.

Specifically, the technical scheme of the locking assembly is omitted, the starting position of the lower rotating arm is adjusted, and the lower rotating arm is pushed by the rear limb of the cow to drive the upper rotating arm to be locked when the protector is pushed forward. Through practice, by adopting the technical scheme, if the operation angle is not correct or the cattle changes the standing posture, only one cattle hind limb always enters the U-shaped piece to be locked, the fixing fails when the cattle struggle, and meanwhile, an operator is easy to be dragged by the cattle to fall down and be injured, so that potential safety hazards exist.

The beneficial technical effects of the invention are as follows:

1. the rod type design meets the safety distance requirement between people and cattle in the process of fixing the cattle;

2. the double fork type design meets the requirement of separate fixation of the double hind limbs of the cattle;

3. the shape and the size of the U-shaped part, the left and right width of the support frame, the rotatable angles of the upper rotating arm and the lower rotating arm and the like are comprehensively designed, so that the hindlimb fixation requirements of most cattle are met;

4. the unidirectional rotation design meets the requirement of stabilizing the hind limbs of the cattle;

5. the design of the locking switch and the release switch close to the handle meets the simple operation requirement, and the locking switch is a push (retainer) two-button (locking switch) three-pull (release switch);

6. the weight is light, portable, satisfies the at any time local baoding demand to the ox.

Drawings

Fig. 1 is a schematic view showing an opened state structure of a preferred embodiment of a rod-type bovine hind limb protector according to the present invention.

Fig. 2 is a schematic view showing a maximum closed state structure of a preferred embodiment of a rod-type bovine hind limb protector according to the present invention.

Fig. 3 is a schematic view showing a minimum closed state structure of a preferred embodiment of a rod-type bovine hind limb protector according to the present invention.

Fig. 4 is a schematic structural view of a support frame of a preferred embodiment of a rod-type bovine hind limb fixator according to the present invention.

Fig. 5 is a schematic view showing a structure of a left and right unidirectional rotating assembly of a preferred embodiment of a rod-type bovine hind limb protector according to the present invention.

Fig. 6 is a schematic view showing a locking assembly of a preferred embodiment of a rod-type bovine hind limb retainer of the present invention.

Fig. 7 is a schematic view showing a release assembly of a preferred embodiment of a rod-type bovine hind limb protector according to the present invention.

In the figure: 1-supporting rod, 2-supporting frame, 31-left U-shaped piece, 32-right U-shaped piece, 41-left unidirectional rotation component, 42-right unidirectional rotation component, 5-locking component, 6-release component, 101-handle, 201-left axle column A, 202-right axle column A, 203-left axle column B, 204-right axle column B, 205-left axle column C, 206-right axle column C, 207-left supporting point A, 208-right supporting point A, 209-left supporting point B, 210-right supporting point B, 211-left supporting point C, 212-right supporting point C, 213-supporting point D, 401-left upper rotating arm, 402-right upper rotating arm, 403-left ratchet wheel, 404-right ratchet wheel, 405-left lower rotating arm, 406-right lower rotating arm, 407-left ratchet wheel, 501-right ratchet wheel, 501-left wire rope A, 502-right wire rope A, 503-left return spring A, 504-right return spring A, 505-left wire sleeve A, 506-right wire sleeve A, 507-right switch, 601-wire rope B, left wire rope 602-right return spring B, left sleeve 603-right wire spring B, and 603-right sleeve wire spring B.

Detailed Description

In order to make the technical solution of the present invention more clear and obvious to those skilled in the art, the present invention will be described in further detail with reference to a preferred embodiment and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1, 2 and 3, the retainer of the embodiment comprises a supporting rod (1), a supporting frame (2), left and right U-shaped pieces (31 and 32), left and right unidirectional rotating components (41 and 42), a locking component (5) and a release component (6), wherein a handle (101) and a locking switch (507) are arranged at the lower end of the supporting rod (1), a release switch (607) is arranged at the near lower end of the supporting rod (1), the left and right U-shaped pieces (31 and 32) are all opened upwards, and the upper end part of the retainer is bilaterally symmetrical. Fig. 1, 2 and 3 show an opened state, a maximum closed state and a minimum closed state of the fastener, respectively.

As shown in fig. 4, the support frame of the present embodiment is provided with a left column a (201), a right column a (202), a left column B (203), a right column B (204), a left column C (205), a right column C (206), a left fulcrum a (207), a right fulcrum a (208), a left fulcrum B (209), a right fulcrum B (210), a left fulcrum C (211), a right fulcrum C (212), and a fulcrum D (213). The supporting rod (1), the left U-shaped piece (31) and the right U-shaped piece (32) and the supporting frame (2) are fixedly connected into the same component.

As shown in fig. 5, the left-right unidirectional rotation assembly of the present embodiment includes an upper left arm (401), an upper right arm (402), a left ratchet (403), a right ratchet (404), a lower left arm (405), a lower right arm (406), a left ratchet (407), and a right ratchet (408). The left half part, the left upper radial arm (401), the left ratchet wheel (403) and the left lower radial arm (405) form a fixed component, the left ratchet wheel (403) is rotationally connected with the support frame (2) through a left axle column A (201), and the left ratchet wheel (407) is rotationally connected with the support frame (2) through a left axle column B (203) and is in unidirectional engagement with the left ratchet wheel (403).

As shown in fig. 6, the locking assembly of the present embodiment includes a left wire rope a (501), a right wire rope a (502), a left return spring a (503), a right return spring a (504), a left wire sleeve a (505), a right wire sleeve a (506), and a locking switch (507). One end of the left steel wire rope A (501) is connected with the left lower radial arm (405), bypasses the left axle column C (205), passes through the left fulcrum C (211), the left steel wire sleeve A (505) and the fulcrum D (213), and the other end is connected with the locking switch (507); one end of the left return spring A (503) is connected with the left upper radial arm (401), and the other end is connected with the left pivot A (207).

As shown in fig. 7, the release assembly of the present embodiment includes a left wire rope B (601), a right wire rope B (602), a left return spring B (603), a right return spring B (604), a left wire sleeve B (605), a right wire sleeve B (606), and a release switch (607). One end of a left steel wire rope B (601) is connected with a left ratchet (407), penetrates through a left reset spring B (603), a left pivot B (209), a left steel wire sleeve B (605) and a pivot D (213), and the other end is connected with a release switch (607); one end of the left return spring B (603) is connected with the left ratchet (407), and the other end is connected with the left pivot B (209).

The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. Any person skilled in the art, within the scope of the disclosure of the present invention, can make equivalent substitutions or modifications according to the technical scheme of the present invention and the conception thereof, and belongs to the protection scope of the present invention.

Claims (5)

1. A rod-type ox hind limb protector which is characterized in that: comprises a supporting rod, a supporting frame, left and right U-shaped parts, left and right unidirectional rotating components, a locking component and a releasing component. The lower end of the supporting rod is provided with a handle, and the upper end of the supporting rod is fixedly connected with the supporting frame; the support frame is provided with a left shaft column A, a right shaft column B, a left fulcrum A, a right fulcrum B and a left fulcrum A, and is fixedly connected with the left U-shaped piece and the right U-shaped piece; the left U-shaped piece and the right U-shaped piece are both opened upwards; the left-right unidirectional rotating assembly comprises an upper radial arm, a rotating wheel, a lower radial arm and a retaining piece, wherein the upper radial arm, the rotating wheel and the lower radial arm form a fixed component, the rotating wheel is rotationally connected with the support frame through a shaft post A, and the retaining piece is rotationally connected with the support frame through a shaft post B and is unidirectional meshed with the rotating wheel; the locking assembly comprises a left steel wire rope A, a right steel wire rope A, a left reset spring A and a right reset spring A, wherein one end of the steel wire rope A is connected with the lower rotating arm, the other end of the steel wire rope A is connected with the locking switch, the locking switch is arranged at the lower end of the supporting rod, one end of the reset spring A is connected with the upper rotating arm, and the other end of the reset spring A is connected with the fulcrum A; the release assembly comprises a left steel wire rope B, a right steel wire rope B, a left reset spring B and a release switch, wherein one end of the steel wire rope B is connected with the backstop piece, the other end of the steel wire rope B is connected with the release switch, the release switch is arranged at the near lower end of the supporting rod, one end of the reset spring B is connected with the backstop piece, and the other end of the reset spring B is connected with the fulcrum B. The upper end part of the retainer is bilaterally symmetrical.

2. The rod-type bovine hindlimb fixator according to claim 1, wherein: a rod-type design.

3. The rod-type bovine hindlimb fixator according to claim 1, wherein: a double fork type design.

4. The rod-type bovine hindlimb fixator according to claim 1, wherein: unidirectional rotation design.

5. The rod-type bovine hindlimb fixator according to claim 1, wherein: the locking switch and the release switch are designed close to the handle.