CN114795565A

CN114795565A - Fixed mutton sheep rumen fluid collection device

Info

Publication number: CN114795565A
Application number: CN202210376119.3A
Authority: CN
Inventors: 黄桠锋; 赵梦宇; 张子军; 张孝安; 任春环; 陈瑶; 孙义铭; 范子萱; 唐俊; 李赛; 程箫; 陈家宏; 王强军
Original assignee: Anhui Agricultural University AHAU
Current assignee: Anhui Agricultural University AHAU
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-07-29
Anticipated expiration: 2042-04-11
Also published as: CN114795565B

Abstract

The invention relates to the technical field of mechanical device manufacturing, in particular to a fixed type mutton sheep rumen fluid collecting device which comprises an abdominal frame, side frames, a back frame and a head frame, wherein the abdominal frame, the side frames and the back frame are enclosed to form an adjustable surrounding space for surrounding a sheep body, and a sheep head is fixed on the head frame so as to fix sheep of different body types; the liquid taking device can firmly fix sheep with different body types, has a compact structure, is simple to operate, cannot damage sheep, and can accurately and safely take liquid.

Description

Fixed mutton sheep rumen fluid collection device

Technical Field

The invention relates to the technical field of mechanical device manufacturing, in particular to a fixed device for collecting mutton sheep rumen fluid.

Background

Rumen fluid is a key research object of the research on nutrition, digestion, metabolism and physiology of ruminants. In the breeding process of mutton sheep, a certain amount of rumen fluid of sheep is usually collected and the retention index is measured, which is a necessary means for knowing the rumen internal environment and rumen digestion of sheep and promoting high-quality production, so the collection of rumen fluid is an indispensable operation technology in the research of ruminant nutrition.

At present, in order to save cost and improve working efficiency, a rubber hose or a plastic hose is generally inserted into the rumen of a sheep through the oral cavity of the sheep, and then rumen fluid is collected and sucked. However, in the process of collecting rumen fluid, the sheep needs to be fixed by both hands, the strength duration of the sheep is limited, and the rumen fluid collecting effect is influenced by the left and right swing of the sheep. The traditional mechanical fixing mode is adopted, and the sheep can be stably fixed due to the relatively firm mechanical structure; however, the machine can only firmly fix sheep of one body type generally, but cannot firmly fix sheep of other body types, so that the sheep only shakes in the liquid pumping process to influence the collection effect; but because the sheep are not of the same size, consequently need the mechanical fastening of multiple not unidimensional, the operation is complicated loaded down with trivial details, has increased the cost of work, consequently needs urgent solution.

Disclosure of Invention

In order to avoid and overcome the technical problems in the prior art, the invention provides the fixed type mutton sheep rumen fluid collecting device which can firmly fix sheep with different body types, has compact structure and simple operation, does not only harm sheep and can accurately and safely take liquid.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a fixed mutton sheep rumen juice device of gathering, includes abdomen frame, side bearer, back of the body frame and headstock, enclose between abdomen frame, side bearer and the back of the body frame and form and embrace the space of embracing the sheep body and adjustable, the sheep head is fixed on the headstock, and then the sheep of fixed different sizes is only.

As a further scheme of the invention: clamping rods are uniformly arranged on the abdominal frame along the bending direction of the abdominal frame, side abdominal rods movably connected with the clamping rods are arranged on the side frames, and the side abdominal rods can be clamped on the clamping rods matched with the sheep abdomen in size so as to tightly support the sheep abdomen; the side web members are connected with side back rods, the side back rods are connected with pushing pieces, and the pushing pieces can push the side back rods to make dead axle rotation so as to be tightly attached to the side backs of the sheep; the back frame can linearly move up and down along the vertical direction to tightly support the sheep back.

As a still further scheme of the invention: the clamping end of the side web member is provided with a clamping hook, the clamping hook is clamped on the clamping rod and can rotate around the clamping rod, the non-clamping end of the side web member is provided with a round hole which is coaxial with the clamping rod, and a clamping groove communicated with the side wall of the round hole is formed in the length direction of the side web member;

the utility model discloses a side web member, including side web member, side back bar, draw-in groove, clamping protrusion, pivot, round hole internal face, the recess of U type is seted up to the link of side back bar, be equipped with the pivot with the same axial of round hole on the both sides wall of recess, be connected with in the pivot with the clamping groove grafting complex clamping protrusion, when the clamping protrusion is pegged graft in the clamping groove, side web member and side back bar fixed connection are whole, when the clamping protrusion is pulled out from the clamping groove, the pivot forms normal running fit with the round hole, the pivot can be followed the slip of round hole internal face, and then changes the angle between side web member and the side back bar.

As a still further scheme of the invention: the middle part of the side back rod is hinged to the top frame, the hinged shaft is coaxial with the clamping rod, the top frame is of a U-shaped groove structure, a cylinder is connected between the side wall of the top frame and the top of the side back rod, the side back rod is driven to rotate around the hinged shaft, and the cylinder is the pushing piece.

As a still further scheme of the invention: the back frame is arranged on the top frame and comprises an extrusion motor fixed on the top frame, a back rod with a downward opening and a U-shaped output shaft of the extrusion motor is connected to the output shaft of the extrusion motor, and the back rod can move linearly up and down to further support the sheep back tightly.

As a still further scheme of the invention: the abdomen frame includes the bracing piece of U type, the joint pole sets up between two bracing pieces, and each joint pole is followed bracing piece extending direction and is evenly symmetrical arrangement by the bracing piece middle part to both ends, the bottom of bracing piece is fixed on the base.

As a still further scheme of the invention: the lifting mechanism is characterized in that a lifting part is arranged on the base and comprises a straight rod which is fixed on the base and vertically extends upwards, a supporting frame is connected to the top of the straight rod, a lifting motor which is coaxially arranged with the extrusion motor is connected to the supporting frame, an output shaft of the lifting motor is connected with a lifting frame, and a top frame is connected to the lower end of the lifting frame.

As a still further scheme of the invention: the headstock sets up the side at the abdomen frame, the headstock includes along the axial T type groove that sets up on the base of joint pole, sliding fit has T type piece in the T type groove, the top of T type piece is equipped with outer loop bar, the inside sliding cup joint of outer loop bar has interior loop bar, the top of interior loop bar is equipped with the clamp of U type form, the tip of clamp one side articulates there is the band, set up porosely on the band, the tip of band opposite side be equipped with hole complex arch to fix the free end of band in protruding.

As a still further scheme of the invention: one side of the outer loop bar is provided with a threaded hole, a screw rod is connected in the threaded hole in a threaded manner, the screwing-in end of the screw rod abuts against the side wall of the inner loop bar tightly, and then the position of the inner loop bar in the outer loop bar is fixed.

As a still further scheme of the invention: and a positioning screw hole is formed in the T-shaped block along the vertical direction, a positioning screw is connected in the positioning screw hole in a threaded manner, and a long hole for the positioning screw to move is formed in the position where the motion track of the T-shaped groove coincides with that of the positioning screw.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the matching of the abdominal frame, the back frame and the side frames, an encircling space for fixing the sheep body can be formed, so that the sheep can be firmly fixed; the size of the surrounding space can be changed along with different body types of the sheep, so that the sheep with different body types can be fixed, and the application range of the sheep fixing device is enlarged. The headstock can be comparatively firm fixed sheep head, avoids rocking of sheep head, ensures going on smoothly of gastric juice collection process. The invention has compact and tight mechanism and good performance, can provide a comfortable environment-friendly space for sheep and is beneficial to the collection of gastric juice.

2. The abdomen frame is designed into a bent shape, so that when a sheep is placed on the abdomen frame, the abdomen frame can be smoothly attached to the abdomen of the sheep, the sheep abdomen is prevented from being damaged in the process of fixing the sheep, and the safety of the sheep is ensured. The side web member can cooperate with the joint pole to make the laminating that the side web member can be comparatively stable on the side abdomen of sheep, and then provide a stable support for the both sides abdomen of sheep, avoid the sheep to only control and rock. The side back rod can be tightly attached to the side back of the sheep under the pushing action of the pushing piece, so that a stable support is provided for the side back of the sheep, and the sheep is further limited to move upwards. The back frame can give an extrusion force to the sheep in vertical direction, can be further to the sheep extrusion like this for each position homoenergetic of sheep body is closely laminated with corresponding side bearer and abdomen frame, ensures the stable fixed of whole sheep body.

3. The side web members and the side back members are matched, so that the side frames can form two different combination states; when the clamping protrusion and the clamping groove are clamped together, the side web members and the side back rods are integrated, synchronous motion can be achieved, the position of the side web members can be adjusted conveniently, and the side web members can be accurately clamped on the corresponding clamping rods. When the side web member and the side back bar are separated from each other, the position of the side back bar can be independently adjusted, and then the side back of the sheep is tightly supported. The areas of the back and the abdomen of the sheep body are larger than those of the back and the abdomen of the sheep, so that the stability of fixation of the sheep is improved by further fixing the back and the abdomen of the sheep in the process of fixing the sheep body; in the fixed in-process of sheep only, the side abdomen and the side back of the body and the inseparable laminating of side web member and side back of the body pole of the back frame are pressed from both sides to the upper and lower extrusion effect of abdomen frame and back frame, provide a comfortable space of embracing for the sheep like this, and then make the sheep only at fixed in-process, can not only cause the damage to the sheep.

4. The cooperation of the clamping protrusions and the clamping grooves can increase the stability of the structure and reduce the complexity of the structure. The joint cooperation of the protruding and draw-in groove of card, when promoting the side back of the body pole, can be comparatively fast and stable with the separation of side web member and side back of the body pole to draw-in groove and protruding cooperation of card can repetitious cycle utilize, and sound construction is stable, and is not fragile. The round hole and the rotating shaft are mutually matched to form a similar hinged structure, so that a certain angle can be bent between the side web member and the side back rod, and the side body of the sheep is tightly attached to the side web member and the side back rod more appropriately.

5. The lifting motor can lift the side frame up and down along the vertical direction, so that a reasonable space is provided for placing sheep on the abdominal frame, and the collision between people and the side frame is avoided. After the clamping of the side web members and the clamping rod is completed, the side web members and the side back rods are separated from each other under the lifting action of the lifting motor, so that the side back rods can be operated independently, the operation controllability is improved, and the operation stability is also improved.

6. The headstock adopts a telescopic and sliding fit mode for adjustment, and can quickly and accurately adjust the clamp to a proper position so as to fix the sheep head. The T-shaped groove is in sliding fit with the T-shaped block, so that the clamp can be stably moved to a plumb line where the sheep head is located along the horizontal position; the flexible cooperation of interior outer loop bar can remove the clamp to the sheepshead under along vertical direction to make the sheepshead can place on the clamp, safety and stability.

7. The sheep head fixing device adopts the mode that the bridle is used for fixing the sheep head, so that the sheep head can be firmly fixed on the bridle under the condition that the sheep head is not damaged. One of the two bridles bypasses the front end of the goat's horn, the other bridle bypasses the rear end of the goat's horn, and the two bridles are clamped on the bulge, so that the goat's head is fixed on the hoop. The use of the binding belt can not hurt the sheep head.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure of the back frame and the side frame of the present invention.

FIG. 3 is a schematic view of the sideframe configuration of the present invention.

Fig. 4 is a schematic view of the abdominal frame structure in the present invention.

Fig. 5 is a schematic view of the structure of the head frame of the present invention.

Fig. 6 is a schematic view of the structure of the back bar and the side back bar in the present invention.

10-abdomen frame 11-support rod 12-clamping rod

20-side frame 21-side web rod 211-clamping hook 212-round hole 213-clamping groove

22-side back rod 221-groove 222-rotating shaft 223-clamping protrusion 23-top frame 231-pushing piece

30-back frame 31-extrusion motor 32-back rod 40-head frame 41-T type groove

42-T-shaped block 43-outer loop bar 44-inner loop bar 45-hoop 451-belt 452-bulge

50-base 51-lifting part 511-straight rod 512-support frame 513-lifting motor

514-lifting frame

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, the present embodiment includes a base 50, and the base 50 is provided with a web frame 10 and a lifting portion 51. The abdomen frame 10 comprises a U-shaped support rod 11, and two support rods 11 are symmetrically distributed in the front-back direction. A plurality of clamping rods 12 are uniformly arranged between the two support rods 11 along the bending extending direction of the support rods 11, and the clamping rods 12 are symmetrically distributed along the symmetry plane of the support rods 11. The clamping rod 12 can be directly fixedly connected with the support rod 11, and bearings can also be arranged at two ends of the clamping rod 12, so that the clamping rod 12 is rotatably connected to the support rod 11 around the axis of the clamping rod 12. The bottom fixedly connected with of two bracing pieces 11 is along the stock that vertical direction extends, and the other end fixed connection of stock is on base 50, and whole abdomen frame 10 can be stable fix on base 50, can not take place to rock at the in-process of fixed sheep only.

The lifting part 51 is arranged at the side of the abdomen frame 10, the lifting part 51 comprises two straight rods 511 which are fixed on the base 50 and extend upwards along the vertical direction, a supporting frame 512 which is fixedly connected with the vertical straight rods 511 and is positioned above the abdomen frame 10 is arranged at the top ends of the two straight rods 511, and a lifting motor 513 of which the axial direction of an output shaft is vertically arranged is fixedly connected on the supporting frame 512. Lifting frame 514 is fixedly connected to the output shaft of lifting motor 513, and lifting motor 513 can drive lifting frame 514 to move linearly up and down along the vertical direction. The top frame 23 is fixedly connected to the bottom end of the lifting frame 514, the top frame 23 is a rectangular frame structure, and the top frame 23 is provided with a set of back frames 30 and two sets of side frames 20.

The back frame 30 is provided at a central position of the top frame 23. The back frame 30 includes a pressing motor 31 fixed at the center of the top end of the top frame 23, and an output shaft of the pressing motor 31 is axially arranged in a vertical direction. Fixedly connected with back of body pole 32 on extrusion motor 31's output shaft, back of body pole 32 are the U type and the opening is downward, and the shape of the sheep back of the body of such shape comparison laminating, and then when supporting tight sheep back of the body, can be at utmost with the contact of the sheep back of the body, can not make the sheep produce uncomfortable and feel.

The two side frames 20 are respectively arranged at two sides of the top frame 23, the side frames 20 comprise side back rods 22 hinged at the bottom ends of the top frame 23, the hinged positions are located at the middle positions of the side back rods 22, and the side back rods 22 are integrally in an arc-shaped plate-shaped structure. A pushing piece 231 is arranged between the outer side surface of the top end of the side back rod 22 and the inner side surface of the top frame 23, and the pushing piece 231 can drive the side back rod 22 to rotate around the connecting shaft in a dead axle mode, so that the side back rod 22 can be attached to the back of a sheep tightly to hoop the back of the sheep. The pushing member 231 is a cylinder, but may be other devices, such as a hydraulic cylinder, a rack and pinion, etc.

The side web member 21 is connected to the bottom end of the side back bar 22. The connecting end of the side back bar 22 is provided with a U-shaped groove 221, and two side walls of the groove 221 are provided with rotating shafts 222. The circumferential surface of the rotation shaft 222 is provided with a locking projection 223, the locking projection 223 has a rectangular parallelepiped shape, and the longitudinal direction of the locking projection 223 is arranged along the axial direction of the rotation shaft 222.

The side web member 21 is an arc-shaped plate structure, the connecting end of the side web member 21 is provided with a round hole 212 which is used for the rotating shaft 222 to pass through and has the same axial direction with the rotating shaft 222, the length of the round hole 212 is equal to the width of the groove 221, the side web member 21 can be clamped in the groove 221, and the side web member cannot shake in the clamping process. A clamping groove 213 which is matched with the clamping protrusion 223 in a clamping way is arranged on the side wall of the round hole 212.

A clamping hook 211 which is in clamping fit with the clamping rod 12 is arranged at the clamping end of the lateral abdomen rod 21, and the bayonet direction of the clamping hook 211 deviates from the lateral abdomen of the sheep.

The side web member 21 and the side back member 22 are engaged in two states, the first: when the locking protrusion 223 is locked in the locking groove 213, the side web member 21 and the side back member 22 are connected as a whole, and the side web member 21 can also rotate around the hinge shaft of the side back member 22. And the second method comprises the following steps: when the locking projection 223 is separated from the locking groove 213, the side web member 21 and the side back member 22 can rotate relatively; when the hook 211 is clamped with the clamping rod 12, the side web member 21 can rotate around the clamping rod 12 as a fixed shaft, and then clings to the sheep side web; the side back rod 22 rotates around the hinge shaft thereof as a fixed shaft under the pushing of the pushing member 231, and then clings to the side back of the sheep.

After the sheep body is fixed, the sheep head needs to be fixed. The headgear 40 is then also provided on the base 50, with the headgear 40 being located directly in front of the abdominal frame 10. The headstock 40 includes an inverted T-shaped groove 41, and the length direction of the T-shaped groove 41 is arranged along the axial direction of the clamping rod 12. A T-shaped block 42 is slidably fitted in the T-shaped groove 41, an outer loop bar 43 extending in the vertical direction is arranged at the top of the T-shaped block 42, and an inner loop bar 44 is slidably sleeved inside the outer loop bar 43. A U-shaped hoop 45 is arranged at the top of the inner loop bar 44, two belts 451 are hinged to the end part of one side of the hoop 45, and holes are formed in the belts 451. In order to stably fix the strap 451 to the sheep head, a protrusion 452 is provided at the other end of the clip 45 to be engaged with the hole, and the protrusion 452 passes through the hole to fix the strap 451 to the other end of the clip 45.

Threaded hole is seted up in one side of outer sleeve, has the screw rod at threaded hole internal thread connection, and the end of screwing in of screw rod can support tightly on the outer wall of inner loop bar 44 to can restrict inner loop bar 44 and adjust suitable height at the inside slip of outer loop bar 43, and then with clamp 45.

And a positioning screw hole is formed in the T-shaped block 42 along the vertical direction, a positioning screw is connected in the positioning screw hole in a threaded manner, and a long hole for the positioning screw to move is formed in the position where the motion track of the T-shaped groove 41 coincides with that of the positioning screw. The T-block 42 slides along the length of the T-slot 41, thereby adjusting the horizontal distance between the yoke 45 and the sheepshead, and finally its position is fixed by a set screw.

In use, the lift motor 513 is first adjusted to raise the side frame 20 to a height that facilitates placing a sheep on the abdominal frame 10. When a sheep is placed on the abdominal frame 10, the lifting motor 513 is adjusted to lower the side frame 20 to a proper height, the pushing member 231 is adjusted while the sheep descends, and the hook 211 can be clamped on the clamping rod 12 at a proper position, that is, the distance between the clamping positions on the two sides of the sheep abdomen is equal to the width of the sheep abdomen at the clamping position. After the clamping connection of the clamping connection rod 12 is completed, the side frame 20 is lifted, the side web members 21 are tightly attached to the side abdomen of the sheep, and the side web members 21 and the side back rods 22 are separated from the clamping connection state; the side back rod 22 is pushed by the pushing member 231 to be tightly attached to the side back of the sheep, and at this time, the lifting motor 513 can also make the top frame 23 descend by a corresponding height, so that the side frame 20 can be tightly attached to the side body of the sheep. After the side body and the belly of sheep are all fixed, adjust extrusion motor 31 this moment, extrusion motor 31 drive back of the body pole 32 moves to the sheep back of the body, supports tightly on the sheep back of the body, and this moment whole sheep body is just fixed finishing. In order to avoid interference between the back bar 32 and the side back bar 22 during movement, an avoiding opening is formed in the side back bar 22 to avoid the back bar 32 from moving, so that the back bar 32 and the side back bar 22 do not collide with each other regardless of movement.

The position of clamp 45 is adjusted this moment, places the sheep head on clamp 45. One strap 451 is wound around the front side of the goat's horn, the other strap 451 is wound around the back side of the goat's horn, and then the straps 451 are fixed on the protrusions 452, so that the goat's head can be fixed on the head frame 40. After the whole sheep is fixed, a collection tube is inserted into the rumen of the sheep to collect gastric juice.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a fixed mutton sheep rumen juice device of gathering, its characterized in that, includes abdomen frame (10), side bearer (20), back of the body frame (30) and headstock (40), enclose between abdomen frame (10), side bearer (20) and the back of the body frame (30) and form and embrace the space of embracing sheep body and adjustable, the sheep head is fixed on headstock (40), and then the sheep of fixed different sizes is only.

2. The fixed type mutton sheep rumen fluid collecting device according to claim 1, wherein clamping rods (12) are uniformly arranged on the abdominal frame (10) along the bending direction of the abdominal frame (10), side web members (21) movably connected with the clamping rods (12) are arranged on the side frames (20), and the side web members (21) can be clamped on the clamping rods (12) matched with the size of the sheep abdomen so as to tightly abut against the sheep abdomen; the side web members (21) are connected with side back rods (22), the side back rods (22) are connected with pushing pieces (231), and the pushing pieces (231) can push the side back rods (22) to make dead axle rotation so as to be tightly attached to the sheep side backs; the back frame (30) can move linearly up and down along the vertical direction to tightly support the sheep back.

3. The fixed mutton sheep rumen fluid collecting device according to claim 2, wherein the side web members (21) and the side back members (22) are both arc-shaped plate-shaped structures, the clamping ends of the side web members (21) are provided with clamping hooks (211) with clamping directions deviating from the sheep side abdomens, the clamping hooks (211) are clamped on the clamping rods (12) and can rotate around the clamping rods (12), the non-clamping ends of the side web members (21) are provided with round holes (212) coaxial with the clamping rods (12), and the length direction of the side web members (21) is provided with clamping grooves (213) communicated with the side walls of the round holes (212);

u-shaped groove (221) are seted up to the link of side back of the body pole (22), be equipped with pivot (222) with round hole (212) coaxial direction on the both sides wall of recess (221), be connected with on pivot (222) and peg graft complex card protruding (223) with draw-in groove (213), when card protruding (223) are pegged graft in draw-in groove (213), side web member (21) and side back of the body pole (22) fixed connection are whole, when card protruding (223) pull out draw-in groove (213), pivot (222) and round hole (212) form normal running fit, round hole (212) internal wall face can be followed in pivot (222) and slide, and then change the angle between side web member (21) and side back of the body pole (22).

4. A fixed device for collecting rumen fluid of mutton sheep according to any one of claims 1-3, wherein the middle of the side back bar (22) is hinged on a top frame (23), the hinge axis is coaxial with the clamping bar (12), the top frame (23) is a U-shaped groove structure, a cylinder is connected between the side wall of the top frame (23) and the top of the side back bar (22), and the cylinder is the pushing member (231) which drives the side back bar (22) to rotate around the hinge axis.

5. The fixed mutton sheep rumen fluid collection device according to claim 4, wherein the back frame (30) is arranged on the top frame (23), the back frame (30) comprises an extrusion motor (31) fixed on the top frame (23), an output shaft of the extrusion motor (31) is connected with a U-shaped back rod (32) with a downward opening, and the back rod (32) can move up and down linearly to abut against the sheep back.

6. A fixed mutton sheep rumen fluid collection device according to claim 5, wherein the abdominal frame (10) comprises U-shaped support rods (11), the clamping rods (12) are arranged between the two support rods (11), each clamping rod (12) is uniformly and symmetrically arranged from the middle part to two ends of the support rod (11) along the extension direction of the support rod (11), and the bottoms of the support rods (11) are fixed on the base (50).

7. The fixed mutton sheep rumen fluid collection device according to claim 6, wherein a lifting part (51) is arranged on the base (50), the lifting part (51) comprises a straight rod (511) which is fixed on the base (50) and vertically extends upwards, a support frame (512) is connected to the top of the straight rod (511), a lifting motor (513) which is coaxially arranged with the extrusion motor (31) is connected to the support frame (512), a lifting frame (514) is connected to an output shaft of the lifting motor (513), and a top frame (23) is connected to the lower end of the lifting frame (514).

8. The fixed mutton sheep rumen fluid collection device according to claim 4, wherein the headstock (40) is arranged at the side of the abdominal frame (10), the headstock (40) comprises a T-shaped groove (41) axially arranged on a base (50) along a clamping rod (12), a T-shaped block (42) is slidably matched in the T-shaped groove (41), an outer loop rod (43) is arranged at the top of the T-shaped block (42), an inner loop rod (44) is slidably sleeved in the outer loop rod (43), a U-shaped clamp (45) is arranged at the top of the inner loop rod (44), a strap (451) is hinged to the end of one side of the clamp (45), a hole is formed in the strap (451), and a bulge (452) matched with the hole is arranged at the end of the other side of the clamp (45), so that the free end of the strap (451) is fixed on the bulge (452).

9. The fixed type mutton sheep rumen fluid collecting device according to claim 8, wherein a threaded hole is formed in one side of the outer loop bar (43), a screw rod is connected with the threaded hole in a threaded manner, and the screwing-in end of the screw rod abuts against the side wall of the inner loop bar (44) so as to fix the position of the inner loop bar (44) in the outer loop bar (43).

10. The fixed mutton sheep rumen fluid collection device according to claim 8, wherein a positioning screw hole is formed in the T-shaped block (42) in the vertical direction, a positioning screw is connected to the positioning screw hole through a thread, and a long hole for the positioning screw to move is formed in the position where the T-shaped groove (41) coincides with the movement track of the positioning screw.