A cow flail for pasture

Abstract

The present invention discloses a cow neck yoke for pastures, comprising a horizontally arranged bottom bar, a first top bar arranged above the bottom bar and parallel to the bottom bar, at least two vertical bars arranged between the bottom bar and the first top bar, and a separate head extension space for the cow's head to be inserted into between each two adjacent vertical bars; a yoke rod is arranged obliquely in the head extension space, and a limiting device is provided on the yoke rod. The yoke rod is driven by the downward pressure of the teat neck, not only enabling itself to deflect parallel to the vertical bar to form a feeding position, but also guiding the limiting device to complete the clamping and fixing of the upper and lower parts of the teat neck. The present invention, through the limiting device provided in the head extension space, can simultaneously secure the cow's neck in the left and right directions while securing the cow's neck in the upper and lower directions, thereby achieving comprehensive fixation of the cow's neck, preventing the veterinary staff from being affected by the large-scale shaking of the cow's head when performing vaccination and drug injections, and ensuring the safety of the staff.

Description

Technical Field

[0001] The invention relates to the technical field of animal husbandry engineering facility equipment, in particular to a cow flail for pastures. Background Art

[0002] Cow shackles are commonly used in dairy farming, serving as a means of securing cows at feeding positions and securing them during medication administration. Body sizes vary between breeds and at different stages of development. Large-scale dairy farms typically install cow shackles of appropriate width in mature, rearing, and heifer pens.

[0003] However, Chinese utility model patent number CN209660151U discloses a cow headlock, comprising a bottom bar, a column, a top bar, a fixed bracket, and a sliding member. This utility model has a simple structure and low cost. Adjusting the sliding member allows the width of the feeding area to be adjusted according to the size of the cow, making it easy to operate. This effectively addresses the problem of unstable herd composition and structure in small-scale dairy farms, making it difficult to configure headlocks with widths that match the specifications of different herd sizes. A rotating rod and a clamp secure the swing arm in a vertical position, keeping the feeding area in a working position. This facilitates veterinary personnel in administering vaccines and medications while ensuring personnel safety.

[0004] There are certain defects in the above-mentioned patented technology, namely: the balance interference rod in the cattle neck yoke has a single function and can only fill the space between the rocking arm and the right column to help the rocking arm maintain a tilted state when not in use, but cannot play the role of securing the cattle's head and neck in the left and right directions while securing the cattle's neck in the up and down directions at the same time, which makes it dangerous for subsequent veterinary personnel to implement vaccinations and drug injections. Summary of the Invention

[0005] In order to solve the technical problems mentioned in the above background technology, the present invention provides a cow flail for pasture.

[0006] The present invention is implemented by the following technical solution: a horizontally arranged bottom bar, comprising a horizontally arranged bottom bar, a first top bar arranged above the bottom bar and parallel to the bottom bar, at least two vertical bars arranged between the bottom bar and the first top bar, and a separate head extension space for a cow's head to be inserted into is formed between each two adjacent vertical bars;

[0007] A yoke rod is arranged obliquely in the head extension space, and a limiting device is provided on the yoke rod. The yoke rod is driven by the downward pressure of the nipple neck, which can not only deflect itself parallel to the vertical rod to form a feeding position, but also guide the limiting device to complete the clamping and fixation of the upper and lower parts of the nipple neck.

[0008] As a further improvement of the above scheme, a sliding sleeve which can move along its axial direction is provided on the first push rod, and the bottom of the sliding sleeve is movably connected to the end of the yoke rod away from the bottom rod. A second push rod parallel to the first push rod is provided above the first push rod, and a self-locking component is provided on the second push rod corresponding to each head extension space, and the self-locking component can fix the yoke rod after deflection.

[0009] As a further improvement of the above solution, a limiting groove parallel to the vertical rod is provided on the sliding sleeve, a pin is inserted into the top of the yoke rod, and the pin is slidably clamped in the limiting groove.

[0010] As a further improvement of the above-mentioned solution, the self-locking assembly includes a limit rod, which is elastically inserted on the second push rod, and a stop rod parallel to the limit rod is provided at the bottom of the second push rod. The limit rod is squeezed by the sliding sleeve to allow the sliding sleeve to be clamped between the limit rod and the stop rod.

[0011] As a further improvement of the above solution, a cross arm is provided on one of the vertical poles, an ear seat is elastically inserted into one end of the cross arm, and the yoke rod is rotatably provided on the ear seat.

[0012] As a further improvement of the above scheme, the limiting device includes an upper splint, a lower splint and a traction mechanism, and the upper splint, the lower splint and the traction mechanism are all arranged on the yoke rod, and the upper splint and the lower splint are respectively located above and below the cross arm. The traction mechanism is driven by the deflection of the yoke rod and can drive the upper splint and the lower splint to rotate to form a clamping space for clamping and fixing the cow's neck.

[0013] As a further improvement to the above scheme, the traction mechanism includes a fixed shaft plugged into and fixed on the ear seat, the yoke rod is sleeved on the outside of the fixed shaft and can rotate relative to the yoke rod, a first gear is fixed to one end of the fixed shaft, a rotating shaft parallel to the fixed shaft is rotatably inserted on the yoke rod, a second gear and a first wire wheel are respectively sleeved and fixed to one end of the rotating shaft, and the second gear is meshed with the first gear;

[0014] A third wire wheel is rotatably provided on the yoke rod, the first wire wheel and the third wire wheel are connected to each other through a first pull rope transmission, and one end of the upper clamping plate is fixedly inserted on the wheel shaft of the third wire wheel;

[0015] A second wire wheel is fixedly mounted on the other end of the rotating shaft, a fifth wire wheel is rotatably arranged on the yoke rod, the second wire wheel and the fifth wire wheel are connected by a second pull rope transmission, and one end of the lower splint is fixedly inserted on the axle of the fifth wire wheel.

[0016] As a further improvement of the above solution, the upper and lower splints are both arc-shaped curved structures, and a buffer component is provided on the centripetal side of the splint. The buffer component is driven by the rotation of the splint and can buffer the rigid contact between the splint and the cow's neck.

[0017] As a further improvement of the above scheme, the buffer assembly includes two third gears, and the two third gears are coaxially fixed to the axle of the third wheel and the axle of the fifth wheel respectively. Two fourth gears are rotatably arranged on the yoke rod, and the two fourth gears are respectively engaged with the third gear. A fourth wheel is coaxially fixed on the fourth gear, and a third pull rope is wound around the fourth wheel. At least two grooves are provided on the centripetal side of the splint, and an elastic layer that completely covers the groove is provided at the groove opening. The splint has a plug groove connecting the groove, and hydraulic oil is contained in the plug groove. A piston is provided in the plug groove near one end of the fourth wheel, and the side of the piston near the fourth wheel is elastically connected to the corresponding groove wall of the plug groove, and the free end of the third pull rope is bolted and fixed to the piston.

[0018] As a further improvement of the above solution, the side of the piston close to the fourth wire wheel is connected to the corresponding groove wall of the plug groove through a spring. When the cow's neck does not touch the yoke rod, the spring is in a compressed deformation state.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The cow head yoke for pasture of the present invention can secure the cow's neck in the left and right directions while securing the cow's neck in the upper and lower directions at the same time by means of a limiting device arranged in the head extension space, thereby achieving comprehensive fixation of the cow's neck, preventing the veterinarian from performing vaccine and drug injections due to the large-scale up and down shaking of the cow's head, and ensuring the safety of the veterinarian.

[0021] By providing an elastic layer, a piston and other structures on the inner side of the splint, the elastic layer 30 can be forced to expand and deform to form a flexible protrusion when the neck is held up and down, so as to buffer the rigid contact with the cow's neck, reduce damage to the cow's neck, improve comfort, increase friction with the cow's neck, and improve fixation stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 for Figure 1 Schematic diagram of the top view of the structure with the middle ear seat inserted on the horizontal arm;

[0024] Figure 3 for Figure 1A schematic diagram of the structure enlarged in the middle;

[0025] Figure 4 for Figure 1 The enlarged structural diagram at B in the middle;

[0026] Figure 5 for Figure 1 Schematic diagram of the structure enlarged at point C in the middle.

[0027] Description of main symbols:

[0028] 1. Bottom rod; 2. Vertical rod; 3. First top rod; 4. Second top rod; 5. Cross arm; 6. Ear seat; 7. Fixed axis; 8. Flail rod; 9. Slide; 10. Limit groove; 11. Limit rod; 12. Stop rod; 13. Upper splint; 14. Lower splint; 15. Feeding position; 17. Slide; 18. First gear; 19. Rotating shaft; 20. Second gear; 21. First spool; 22. Second spool; 23. Third spool; 24. Third gear; 25. Fourth gear; 26. Fourth spool; 27. Plug slot; 28. Groove; 29. ​​Piston; 30. Elastic layer; 31. Fifth spool. DETAILED DESCRIPTION

[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0030] Example 1

[0031] Please combine Figures 1 to 5 The invention discloses a cow flail for pasture, comprising a horizontally arranged bottom bar 1, a first top bar 3 parallel to the bottom bar 1, at least two vertical bars 2 arranged between the bottom bar 1 and the first top bar 3, and a separate head extension space for the cow's head to be inserted into is formed between every two adjacent vertical bars 2.

[0032] A yoke rod 8 is tiltedly arranged in the head extension space, and a limiting device is provided on the yoke rod 8. The yoke rod 8 is driven by the downward pressure of the neck when the teat head extends into the head extension space and moves down to eat. It can not only deflect itself parallel to the vertical rod 2 to form an interference-free feeding position 15, but also guide the limiting device to complete the clamping and fixing of the upper and lower parts of the teat neck, and can fix the teat head in multiple directions to avoid accidental detachment of the cow's head, ensure that the cow eats alone, and avoid the veterinary staff from implementing vaccinations and drug injections due to the large-scale shaking of the cow's head, and ensure the safety of personnel.

[0033] The first push rod 3 is provided with a sliding sleeve 9 which can move along its axial direction. The bottom of the sliding sleeve 9 is movably connected to the end of the yoke rod 8 away from the bottom rod 1. A second push rod 4 parallel to the first push rod 3 is provided above the first push rod 3. A self-locking component is provided on the second push rod 4 corresponding to each head extension space. The self-locking component can fix the yoke rod 8 after deflection to ensure that the yoke rod 8 maintains a vertical state after rotation, thereby improving the stability of the fixation of the nipple neck.

[0034] A limiting groove 10 parallel to the vertical rod 2 is provided on the sliding sleeve 9 , and a pin is inserted into the top of the yoke rod 8 , and the pin is slidably clamped in the limiting groove 10 .

[0035] In this embodiment, the yoke rod 8 is initially in an inclined state. The rotation of the yoke rod 8 will drive the sliding sleeve 9 to move toward the limit rod 11 on the first push rod 3 through its top. When the yoke rod 8 is rotated to vertical, the top of the sliding sleeve 9 squeezes the limit rod 11 and is then clamped between the limit rod 11 and the blocking rod 12 to maintain the vertical state of the limit rod 11 stable.

[0036] The self-locking assembly includes a limit rod 11, which is elastically inserted into the second push rod 4. A spring is sleeved on the outside of the limit rod 11, and the two ends of the spring are respectively fixed to the underside of the head of the limit rod 11 and the outer wall of the second push rod 4. A stop rod 12 is provided at the bottom of the second push rod 4, parallel to the limit rod 11. The limit rod 11 is pressed against the sliding sleeve 9, allowing the sliding sleeve 9 to be clamped between the limit rod 11 and the stop rod 12, thereby stably maintaining the vertical position of the limit rod 11.

[0037] A cross arm 5 is mounted on one of the vertical poles 2. An ear seat 6 is elastically inserted into one end of the cross arm 5, and a yoke rod 8 is pivotally mounted on the ear seat 6. In this embodiment, a slot 17 is defined at one end of the cross arm 5. The ear seat 6 is inserted into the slot 17 and connected to the slot wall via a spring. This allows the horizontal distance between the yoke rod 8 and the corresponding vertical pole 2 to be adaptively adjusted by the spring force, thereby accommodating the fixation of cows with different neck lengths.

[0038] The limiting device includes an upper splint 13, a lower splint 14 and a traction mechanism. The upper splint 13, the lower splint 14 and the traction mechanism are all arranged on the yoke rod 8. The upper splint 13 and the lower splint 14 are respectively located above and below the cross arm 5. The traction mechanism is driven by the deflection of the yoke rod 8, and can drive the upper splint 13 and the lower splint 14 to rotate to form a clamping space for clamping and fixing the cow's neck, so as to better fix the cow's neck and prevent the cow's neck from shaking up and down significantly.

[0039] The traction mechanism includes a fixed shaft 7 which is inserted and fixed on the ear seat 6, a yoke rod 8 is sleeved on the outside of the fixed shaft 7 and can rotate relative to the yoke rod 8, a first gear 18 is fixed to one end of the fixed shaft 7, and a rotating shaft 19 parallel to the fixed shaft 7 is rotatably inserted on the yoke rod 8, and a second gear 20 and a first pulley 21 are respectively sleeved and fixed on one end of the rotating shaft 19, and the second gear 20 is meshed with the first gear 18.

[0040] A third pulley 23 is rotatably provided on the yoke rod 8 . The first pulley 21 and the third pulley 23 are connected to each other via a first pull rope transmission. One end of the upper clamping plate 13 is fixedly inserted on the axle of the third pulley 23 .

[0041] The other end of the rotating shaft 19 is sleeved and fixed with a second pulley 22, and a fifth pulley 31 is rotatably set on the yoke rod 8. The second pulley 22 and the fifth pulley 31 are connected by a second pull rope transmission, and one end of the lower splint 14 is fixedly inserted on the axle of the fifth pulley 31.

[0042] The working principle of this embodiment is:

[0043] Initially, the yoke rod 8 is in an inclined state. When the cow's head enters the head extension space and moves downward so that its neck touches the lower half of the yoke rod 8, the yoke rod 8 will rotate clockwise around the fixed axis 7 to a vertical state to fix the left and right sides of the cow's neck to a certain extent. During this period, the top of the yoke rod 8 will drive the sliding sleeve 9 to slide on the first push rod 3, and finally be stuck between the blocking rod 12 and the limit rod 11, so that the yoke rod 8 can be effectively maintained in the vertical state.

[0044] While the yoke rod 8 rotates clockwise, the second gear 20 rotates with the yoke rod 8 and moves in the circumferential direction of the first gear 18, so as to rotate under the meshing action of the first gear 18, thereby synchronously driving the first wire wheel 21 and the second wire wheel 22 to rotate. The first wire wheel 21 drives the third wire wheel 23 to rotate through the first pulley, thereby driving the inner side of the upper splint 13 to deflect and press against the skin surface above the cow's neck. The rotation of the second wire wheel 22 drives the fifth wire wheel 31 to rotate through the second pulley, thereby driving the inner side of the lower splint 14 to deflect and press against the skin surface below the cow's neck, and cooperates with the fixing effect of the vertical rod 2 and the yoke rod 8 on the left and right sides of the cow's neck to form an all-round fixation of the cow's neck to prevent the cow's head from shaking significantly.

[0045] After use, it is only necessary to lift the limit rod 11 and move the sliding sleeve 9 in the direction to drive the yoke rod 8 to return to the inclined state, so as to release the left and right and up and down restrictions on the cow's neck, making it easier for the cow to leave the head extension space.

[0046] Example 2

[0047] Please combine Figures 1 to 5This embodiment is an improvement of embodiment 1. The upper splint 13 and the lower splint 14 are both arc-shaped curved structures. A buffer component is provided on the centripetal side of the splint. The buffer component is driven by the rotation of the splint and can buffer the rigid contact between the splint and the cow's neck, reduce damage to the cow's neck, improve comfort, increase friction with the cow's neck, and improve fixation stability.

[0048] The buffer assembly includes two third gears 24 , which are coaxially fixed to the axles of the third spool 23 and the fifth spool 31 , respectively. Two fourth gears 25 are rotatably provided on the yoke rod 8 , and the two fourth gears 25 are respectively engaged with the third gears 24 .

[0049] A fourth pulley 26 is coaxially fixed on each fourth gear 25, and a third pull rope is wound around the fourth pulley 26. At least two grooves 28 are provided on the centripetal side of the splint, and an elastic layer 30 is provided at the notch of the groove 28 to completely cover the notch. The elastic layer 30 in this embodiment can be an elastic rubber layer or a capsule.

[0050] There is a plug groove 27 inside the splint that is connected to the groove 28, and hydraulic oil is contained in the plug groove 27. A piston 29 is provided in the plug groove 27 near one end of the fourth pulley 26. The side of the piston 29 near the fourth pulley 26 is elastically connected to the corresponding groove wall of the plug groove 27, and the free end of the third pull rope is bolted and fixed to the piston 29.

[0051] The side of the piston 29 close to the fourth wire wheel 26 is connected to the corresponding groove wall of the plug groove 27 through a spring. When the cow's neck does not touch the yoke rod 8, the spring is in a compressed deformation state.

[0052] In this embodiment, when the cow's neck does not touch the yoke rod 8 (when the yoke rod 8 is tilted but not deflected), the spring in the plug slot 27 is in a compressed deformation state, and the third pull rope is in a tensioned state. When the yoke rod 8 deflects and causes the splint to rotate, the third pulley 23 and the fifth pulley 31 respectively drive their respective third gears 24 to rotate, and the third gear 24 drives the fourth gear 25 and the corresponding fourth pulley 26 to rotate, causing the fourth pulley 26 to start the rope release operation. The spring force in the plug slot 27 is gradually released to push the piston 29 to squeeze the hydraulic oil in the plug slot 27 into the groove 28, forcing the elastic layer 30 to expand and deform to form a flexible protrusion to buffer the rigid contact with the cow's neck, reduce damage to the cow's neck, improve comfort, increase friction with the cow's neck, and improve fixation stability.

[0053] The above embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A cow flail for pasture, characterized in that: It comprises a horizontally arranged bottom bar, a first top bar parallel to the bottom bar is arranged above the bottom bar, at least two vertical bars are arranged between the bottom bar and the first top bar, and a separate head extension space for the cow's head to be inserted is formed between every two adjacent vertical bars; A yoke rod is obliquely arranged in the head extension space, and a limiting device is provided on the yoke rod. The yoke rod is driven by the downward pressure of the teat neck, which not only enables itself to deflect parallel to the vertical rod to form a feeding position, but also guides the limiting device to complete the clamping and fixing of the upper and lower parts of the teat neck; A horizontal arm is provided on one of the vertical poles, an ear seat is elastically inserted into one end of the horizontal arm, and the yoke rod is rotatably provided on the ear seat; The limiting device includes an upper clamping plate, a lower clamping plate, and a traction mechanism, wherein the upper clamping plate, the lower clamping plate, and the traction mechanism are all arranged on the yoke rod, and the upper clamping plate and the lower clamping plate are respectively located above and below the cross arm. The traction mechanism is driven by the deflection of the yoke rod and can drive the upper clamping plate and the lower clamping plate to rotate to form a clamping space for clamping and fixing the cow's neck; The traction mechanism includes a fixed shaft plugged and fixed on the ear seat, the yoke rod is sleeved on the outside of the fixed shaft and can rotate relative to the yoke rod, a first gear is fixed to one end of the fixed shaft, a rotating shaft parallel to the fixed shaft is rotatably inserted on the yoke rod, a second gear and a first wire wheel are respectively sleeved and fixed to one end of the rotating shaft, and the second gear is meshed with the first gear; A third wire wheel is rotatably provided on the yoke rod, the first wire wheel and the third wire wheel are connected to each other through a first pull rope transmission, and one end of the upper clamping plate is fixedly inserted on the wheel shaft of the third wire wheel; A second wire wheel is fixedly mounted on the other end of the rotating shaft, a fifth wire wheel is rotatably arranged on the yoke rod, the second wire wheel and the fifth wire wheel are connected by a second pull rope transmission, and one end of the lower splint is fixedly inserted on the axle of the fifth wire wheel.

2. The cow flail for pasture according to claim 1, characterized in that: The first push rod is provided with a sliding sleeve which can move along its axial direction, and the bottom of the sliding sleeve is movably connected to the end of the yoke rod away from the bottom rod. A second push rod parallel to the first push rod is provided above the first push rod, and a self-locking component is provided on the second push rod corresponding to each head extension space, and the self-locking component can fix the yoke rod after deflection.

3. The cow flail for pasture according to claim 2, characterized in that: A limiting groove parallel to the vertical rod is provided on the sliding sleeve, a pin is inserted into the top of the yoke rod, and the pin is slidably clamped in the limiting groove.

4. The cow flail for pasture according to claim 2, characterized in that: The self-locking assembly includes a limit rod, which is elastically inserted on the second push rod. A stop rod parallel to the limit rod is provided at the bottom of the second push rod. The limit rod is squeezed by the sliding sleeve to allow the sliding sleeve to be clamped between the limit rod and the stop rod.

5. The cow flail for pasture according to claim 1, characterized in that: The upper and lower splints are both in an arc-shaped curved structure. A buffer component is provided on the centripetal side of the splint. The buffer component is driven by the rotation of the splint and can buffer the rigid contact between the splint and the cow's neck.

6. The cow flail for pasture according to claim 5, characterized in that: The buffer assembly includes two third gears, and the two third gears are coaxially fixed to the axle of the third spool and the axle of the fifth spool respectively. Two fourth gears are rotatably provided on the yoke rod, and the two fourth gears are respectively engaged with the third gear. A fourth spool is coaxially fixed on the fourth gear, and a third pull rope is wound around the fourth spool. At least two grooves are provided on the centripetal side of the splint, and an elastic layer that completely covers the groove is provided at the notch of the groove. A plug groove connecting the groove is provided inside the splint, and hydraulic oil is contained in the plug groove. A piston is provided in the plug groove near one end of the fourth spool, and the side of the piston near the fourth spool is elastically connected to the corresponding groove wall of the plug groove, and the free end of the third pull rope is bolted and fixed to the piston.

7. The cow flail for pasture according to claim 6, characterized in that: The side of the piston close to the fourth wire wheel is connected to the corresponding groove wall of the plug groove through a spring. When the cow's neck does not touch the yoke rod, the spring is in a compressed deformation state.

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