CN209910797U - Body weight and body size measuring device for cattle - Google Patents

Abstract

The utility model provides a cow body weight ruler measuring device, which comprises a limiting frame, a weighbridge and a chest circumference measuring mechanism; the limiting frame comprises a measuring fence, the measuring fence comprises a first side wall plate, a second side wall plate, an inlet door and an outlet door, the first side wall plate is a transparent plate and is arranged opposite to the second side wall plate, and the first side wall plate is provided with body height measuring scales and is provided with an operating hole in a penetrating manner; the inlet door and the outlet door are respectively arranged at two opposite ends of the first side wall plate so as to form a measuring area together with the first side wall plate and the second side wall plate; the wagon balance is arranged on the ground of the measuring area; the chest circumference measuring mechanism comprises a slip ring, a measuring flexible rule, an automatic retraction piece and a retraction pull wire, wherein the slip ring is arranged in the measuring area in a sliding mode, the automatic retraction piece is arranged on the slip ring, the measuring flexible rule is connected with the automatic retraction piece through the retraction pull wire, one end of the measuring flexible rule is located at an operation hole, and the other end of the measuring flexible rule penetrates through the operation hole. This body weight and body size measuring device of ox is convenient for measure weight, chest circumference and body height of ox.

Description

Body weight and body size measuring device for cattle

Technical Field

The utility model relates to a measuring equipment, concretely relates to ox weight body chi measuring device.

Background

With the improvement of the livestock breeding level in China, the breeding work of cattle is a routine work in the livestock breeding work nowadays. In breeding, the weight, body height, body slant length, chest circumference and other data of the cattle are measured by closing the cattle in a small area by using a limiting frame and then measuring the weight, chest circumference, body height and other data of the cattle by using tools such as a ruler, a tape, a weighbridge and the like. Before measurement, workers are required to carry tools required by measurement to a measurement site. Various inconveniences also exist during measurement, for example, when the body height is measured, a worker needs to keep the straight ruler and the cow parallel or at a required angle, the operation is very difficult, and errors are easy to occur; the flexible rule is mostly adopted when the cow chest circumference is measured, workers are required to surround the cow chest by the rule, the flexible rule is particularly close to a cow during operation, and particularly when the flexible rule passes through the cow chest, a person can enter the attack range of the cow hoofs, so that the flexible rule is very dangerous.

In addition, its spacing space size of spacing frame of usefulness is measured to ox among the prior art is usually fixed, owing to need reply the ox of size variation in size, consequently, the size that spacing frame among the prior art set up is often great, and the ox is driven into spacing frame after, because the ox is comparatively hurried up in narrow and small space, the ox body can appear around, side-to-side movement, head luffing for it is very inconvenient to the relevant data of ox measurement in the activity, and the accuracy is poor, and is long consuming time, leads to the intensity of labour of breeding work big.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of above-mentioned technical problem at least, provide an ox weight body ruler measuring device, its measurement that can be convenient for ox chest circumference and body height.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

a cattle weight scale measuring device comprises a limiting frame, a weighbridge and a chest circumference measuring mechanism; the limiting frame comprises a measuring fence, the measuring fence comprises a first side wall plate, a second side wall plate, an inlet door and an outlet door, the first side wall plate and the second side wall plate are oppositely arranged in parallel, the first side wall plate is a transparent plate, body height measuring scales are arranged on the first side wall plate along the height of the first side wall plate and used for measuring the body height of a cow, and an operation hole is formed in the first side wall plate in a penetrating mode; the inlet door and the outlet door are respectively arranged at two opposite ends of the first side wall plate, and the first side wall plate, the second side wall plate, the inlet door and the outlet door jointly enclose a measuring area in a cubic shape; the wagon balance is arranged on the ground of the measuring area; chest circumference measuring mechanism includes the sliding ring, measures the flexible rule, a plurality of automatic retraction spare and a plurality of traction wire that contracts, the sliding ring is installed with sliding in the measurement area to can the atress follow the length direction of measurement area removes, and a plurality of automatic retraction spare are installed at the interval on the inner wall of sliding ring, each automatic retraction spare is gone up and is connected one retract the traction wire, measure the flexible rule and retract the traction wire that contracts on the piece with a plurality of automatic retraction and be connected, the one end of measuring the flexible rule is located handle hole department, the other end of measuring the flexible rule is worn to establish the handle hole.

Furthermore, two positioning frames are oppositely arranged in the measuring fence, the two positioning frames are oppositely arranged at intervals along the width direction of the measuring area, and the bottoms of the two positioning frames are connected with the wagon balance to form a limiting space for accommodating cattle together; the slip ring is connected with the second side wall plate and the limiting frame closest to the operation hole in a sliding mode.

Furthermore, the slip ring comprises a first sliding plate, a second sliding plate, a third sliding plate and a fourth sliding plate, the first sliding plate and the second sliding plate are arranged oppositely, the third sliding plate and the fourth sliding plate are arranged oppositely, the third sliding plate is connected with the same end of the first sliding plate and the second sliding plate, and the third sliding plate is connected with a positioning frame closest to the operation hole in a sliding manner; the fourth sliding plate is connected with the second side wall plate in a sliding mode, and two opposite ends of the fourth sliding plate are respectively connected with the first sliding plate and the second sliding plate; the first sliding plate, the second sliding plate, the third sliding plate and the fourth sliding plate are at least provided with one automatic retraction piece.

Furthermore, the second side wall plate comprises a plate body and a protrusion convexly arranged on one side of the plate body facing the measuring area, one side of the plate body opposite to the protrusion is connected with a side wall driving piece so as to be close to or far away from the first side wall plate under the driving of the side wall driving piece, and a position avoiding hole for the protrusion to slide through is formed in the positioning frame in a penetrating manner; two opposite ends of the fourth sliding plate are respectively fixed with a sliding sleeve, and the two sliding sleeves are respectively sleeved on the first sliding plate and the second sliding plate in a sliding manner; the outer wall of the fourth sliding plate is connected with the bulge in a sliding mode.

Furthermore, one end of the measuring flexible rule, which is positioned at the operating hole, is connected with a clamping hook, and one end of the measuring flexible rule, which is provided with the clamping hook, is connected with the sliding ring through the automatic retraction piece.

Further, the entrance door comprises a door frame, an inner door driving piece and an inner door, wherein the door frame is arranged at one end of the first side wall plate, which faces away from the exit door, and can be forced to move along the width direction of the measuring area so as to allow the cattle to be measured to enter the measuring area; the inner door driving piece is arranged on the door frame and connected with the inner door to drive the inner door to be close to or far away from the outlet door.

Furthermore, the outlet door comprises an outer frame, a first limiting rod, a second limiting rod, a first limiting driving piece and a second limiting driving piece, wherein the outer frame is arranged at one end of the first side wall plate, which is far away from the inlet door, and can be forced to move along the width direction of the measuring area so as to allow the cattle to be measured to leave the measuring area; the first limiting rod and the second limiting rod are oppositely arranged along the height direction of the measuring area to form a clamping space for the ox head and neck to extend into; the first limiting rod is connected with the outer frame through the first limiting driving piece, the second limiting rod is connected with the outer frame through the second limiting driving piece, and under the action of the first limiting driving piece and the second limiting driving piece, the first limiting rod and the second limiting rod can be close to or far away from each other.

Furthermore, the limiting frame further comprises a buffering fence, the buffering fence is arranged at one end of the measuring fence, which is provided with the inlet door, and a buffering channel is formed in the buffering fence; when the entrance door is in an open state, the cattle can be allowed to enter the measuring area from the buffer passage.

Furthermore, the limiting frame further comprises a first guide fence and a second guide fence, the first guide fence is arranged at one end of the buffer fence far away from the measuring fence, and the second guide fence is arranged at one end of the measuring fence provided with an outlet door; and a switch door is arranged between the first guide fence and the buffer fence, and can be forced to move along the width direction of the measuring area so as to allow the cattle to be measured to enter the buffer fence from the first guide fence.

Furthermore, a plurality of tangent concentric rings are arranged on the first side wall plate, a plurality of arc line groups are arranged corresponding to the concentric rings, and the concentric rings correspond to the position of the cow shoulder end and are distributed along the height direction; each concentric ring comprises a plurality of concentric circles with different diameters, and each concentric ring is provided with a cross coordinate axis by taking the corresponding circle center as an origin; coordinate scales are marked at the intersection of the axis of the cross coordinate axis and the plurality of concentric circles, and each coordinate scale can position the radius of the corresponding concentric circle; the arc line groups are arranged corresponding to the position of the ischial ends of the cattle; the plurality of arc lines in each group of arc line groups are arranged at intervals in the direction far away from the corresponding concentric ring, the circle centers of the plurality of arc lines in each group of arc line groups are overlapped with the circle centers of the corresponding concentric ring, and the distance range between the plurality of arc lines in each group of arc line groups and the circle centers of the corresponding concentric rings is 80cm-150 cm; and each arc line group marks the radius values of the corresponding arc lines by taking the circle centers of the corresponding concentric rings as the original points.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

1. above-mentioned ox weight body ruler measuring device, its first side wallboard are the transparent plate, and the body height that can read the ox through the body height measurement scale on the first side wallboard need not the manual work and keeps ruler and ox one-tenth parallel, and it is more convenient to use. During the measurement, the staff stands outside first side wall board and measures, keeps apart ox and staff through first side wall board, measures safelyr.

2. Above-mentioned ox weight body chi measuring device, its measurement tape that is used for measuring chest circumference is installed in the measurement area through automatic retraction, and under the effect of automatic retraction, it forms a loop and keeps open state to measure the tape, and when the ox got into the measurement area, the head of ox passed measurement tape automatically, can make the loop throat and encircle the chest of ox when measuring the tape atress in order to realize measuring. When the chest circumference of the cow is measured, a worker is not required to surround the measuring tape around the chest of the cow, and the measurement is more convenient. Measure two tip of tape measure and all be in the operation mouth department of first side wallboard for the staff can stand the operation outside first side wallboard, and it is more convenient, safe to measure.

Drawings

Fig. 1 is a schematic top view of a cow body weight scale measuring device according to a preferred embodiment of the present invention.

Fig. 2 is a front view of the body weight and body size measuring device shown in fig. 1.

Fig. 3 is a left side view of the inlet door of the body weight ruler measuring device of fig. 1.

Fig. 4 is a left side view of the exit door of the body weight ruler measurement device shown in fig. 1.

Fig. 5 is a left side view schematic diagram of a door of the body weight scale measuring device of the cow shown in fig. 1.

Fig. 6 is a front view of the first side wall plate of the body weight and body size measuring device of the cow shown in fig. 1.

Fig. 7 is a schematic view of a concentric ring of the first sidewall plate of fig. 6.

Fig. 8 is a schematic structural view of one of the arc line groups in the first side wall panel shown in fig. 6.

Fig. 9 is a right-side view structural schematic diagram of the wagon balance and the positioning frame in the body weight scale measuring device of the cow shown in fig. 1.

Fig. 10 is a right side view of fig. 9.

Fig. 11 is a right-side view schematically illustrating the structure of the body weight and body size measuring device of the cow shown in fig. 1 at the chest circumference measuring mechanism.

FIG. 12 is a cross-sectional view of the location bracket and third slide plate of FIG. 11.

Fig. 13 is a schematic structural view of the bust measuring mechanism shown in fig. 11 during measurement.

Fig. 14 is a schematic structural view of an automatic retraction member in the bust measuring mechanism of fig. 11.

Fig. 15 is a reference diagram of the usage status of the body weight ruler measurement device of the present invention in the preferred embodiment.

Fig. 16 is a reference view illustrating a use state of the first sidewall plate shown in fig. 6.

Description of the main elements

100-cattle body weight and body size measuring device, 2-limiting frame, 21-measuring fence, 212-first side wall plate, 2121-body height measuring scale, 2123-concentric ring, 2125-circular arc line group, 2126-concentric circle, 2127-cross coordinate axis, 2128-operating hole, 213-second side wall plate, 2131-plate body, 2133-protrusion, 2135-side wall driving part, 214-inlet door, 2141-door frame 2141, 2143-inner door driving part, 2145-inner door, 2146-pulley, 215-outlet door, 2151-outer frame, 2153-first limiting rod, 2155-second limiting rod, 2157-first limiting driving part, 2158-second limiting driving part, 2159-roller, 217-positioning frame, 2171-avoiding hole, 2173-dovetail groove, 22-buffer rail, 221-first buffer wall, 223-second buffer wall, 225-sliding hole, 23-first guide rail, 231-first guide wall, 233-second guide wall, 235-avoidance hole, 24-second guide rail, 241-first guide wall, 243-second guide wall, 245-sliding hole, 251-first guide rail, 253-second guide rail, 261-third guide rail, 263-fourth guide rail, 27-switch door, 271-guide wheel, 281-fifth guide rail, 283-sixth guide rail, 29-push-pull handle, 4-chest circumference measuring mechanism, 41-slip ring, 411-first slide plate, 412-second slide plate, 413-third slide plate, 4132-dovetail slide block, 414-fourth slide plate, 283-sixth slide plate, 29-push-pull handle, 4-chest circumference measuring mechanism, 4142-sliding sleeve, 42-measuring tape, 43-automatic retraction piece, 431-shell, 434-winding shaft, 44-retraction traction line, 45-hook, 5-wagon balance, 200-cowshed, 210-separation fence, 230-area to be measured, 250-area to be placed, 300-cow.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 15, a preferred embodiment of the present invention provides an apparatus 100 for measuring body size of cow, which comprises a position-limiting frame 2, a chest circumference measuring mechanism 4 and a weighbridge 5. The limiting frame 2 is used for limiting the movement of the cattle 300 so as to be convenient for measuring the weight and the body size of the cattle; the bust measuring mechanism 4 is arranged on the limiting frame 2 and is used for measuring the bust of the cow 300; the weighbridge 5 is arranged at the bottom of the limiting frame 2 and used for measuring the weight of the cow 300.

The spacing frame 2 comprises a measuring rail 21, a buffering rail 22, a first guiding rail 23 and a second guiding rail 24. The measuring fence 21 provides a measuring place for measuring the weight and the body size of the cattle; the buffer fence 22 is arranged at one end of the measuring fence 21 and provides a waiting place for the lower cow 300 to be measured; the first guiding fence 23 is installed at one end of the buffering fence 22 far away from the measuring fence 21 so as to guide the cow 300 to the buffering fence 22; the second guiding fence 24 is installed at an end of the measuring fence 21 far from the buffering fence 22, so as to guide the cow 300 out of the measuring fence 21.

The measuring fence 21 includes a first sidewall panel 212, a second sidewall panel 213, an entrance door 214, and an exit door 215. The first sidewall plate 212 is disposed opposite to the second sidewall plate 213 in parallel. Referring to fig. 11, the second side wall panel 213 is connected to a side wall driving member 2135 to move closer to or away from the first side wall panel 212 under the action of the side wall driving member 2135. The entrance door 214 and the exit door 215 are respectively installed at two opposite ends of the first side wall plate 212, and the first side wall plate 212, the second side wall plate 213, the entrance door 214 and the exit door 215 together enclose a measuring area in a cube shape, wherein the entrance door 214 is located at an entrance end of the measuring area, and the exit door 215 is located at an exit end of the measuring area. The weighbridge 5 is mounted on the ground in the measurement area.

Referring to fig. 6, in the present embodiment, the first sidewall 212 is made of a transparent material such as glass or transparent rigid plastic, and has a substantially rectangular parallelepiped plate shape. The first sidewall 212 is provided with a body height measuring scale 2121 along the height direction of the measuring area for measuring the body height of the cow 300. In this embodiment, the body height measuring scale 2121 is located at an end of the first sidewall plate 212 adjacent to the second guide rail 24. Preferably, the body height measurement scale 2121 is printed at about 5cm of the edge of the first sidewall panel 212 near the end of the second guide rail 24, the body height measurement scale 2121 is at the origin of the top surface of the wagon balance 5, and the markings indicate a scale range of 80cm to 140 cm. The scale lines of the body height measuring scale 2121 extend in the horizontal direction by a preset distance, so that the body height measuring scale 2121 is suitable for body height measurement of cows 300 of different body types.

The first sidewall 212 has a plurality of tangential concentric rings 2123 and a plurality of arc line sets 2125 corresponding to the plurality of tangential concentric rings 2123. Concentric rings 2123 are located on the first sidewall panel 212 near the second guide fence 24 at the shoulder end and are distributed along the height of the measurement area. Referring to fig. 7, each concentric ring 2123 includes a plurality of concentric circles 2126 having different diameters, and each concentric ring 2123 has a cross coordinate axis 2127 with the corresponding center as the origin. Coordinate scales are marked at the intersections of the axes of the cross coordinate axis 2127 and the plurality of concentric circles 2126, each coordinate scale being capable of locating the radius of a respective concentric circle 2126. The outermost concentric circle 2126 of the adjacent two concentric rings 2123 is in an circumscribed state. In this embodiment, a plurality of concentric rings 2123 are located below the body height measurement scale 2121; the maximum diameter of each concentric ring 2123 is 10cm, the center of the bottommost concentric ring 2123 is about 40cm from the ground, and the centers of two adjacent concentric rings 2123 are 10cm apart; the concentric circles 2126 of each concentric ring 2123 are uniformly arranged at intervals, each ring is spaced by 1cm, coordinate scales-1, -2, -3, -4 and-5 are correspondingly marked on coordinate axes positioned at the left side and the upper side of the circle center (i.e., the coordinate axis positioned above the corresponding circle center and the coordinate axis positioned at the side of the corresponding circle center close to the inlet end) in the direction away from the corresponding circle center, and coordinate scales 1, 2, 3, 4 and 5 are correspondingly marked on coordinate axes positioned at the right side and the lower side of the circle center (i.e., the coordinate axis positioned below the corresponding circle center and the coordinate axis positioned at the side of the corresponding circle center close to the outlet end) in the.

The arc wire sets 2125 are disposed at an end of the first sidewall 212 close to the buffering fence 22 and correspond to the seat ends of the cattle. In this embodiment, the plurality of arc line groups 2125 are located approximately at the upper left corner of the first sidewall plate 212 in fig. 6. A plurality of arc lines in each group of arc line groups 2125 are arranged at intervals in a direction away from the corresponding concentric ring 2123, the centers of the plurality of arc lines in each group of arc line groups 2125 coincide with the center of the corresponding concentric ring 2123, and the distance between the plurality of arc lines in each group of arc line groups 2125 and the center of the corresponding concentric ring 2123 is 80cm-150 cm; each arc line group 2125 marks radius values of a corresponding plurality of arc lines with the center of the corresponding concentric ring 2123 as an origin. Referring to fig. 8, fig. 8 is a schematic structural diagram of one group of arc line groups 2125, in this embodiment, each arc line group 2125 includes 15 arc lines (for convenience of distinction, each group of arc line groups 2125 in fig. 6 only illustrates two arc lines, and two arc lines of the same line type are a group), the 15 arc lines are uniformly distributed at intervals in a direction gradually away from the corresponding concentric ring 2123, and scales marked on the 15 arc lines are 80, 85, 90, 95, 100, 105, 110, 115, 120, 125, 130, 135, 140, 145, and 150, respectively. 4 scale lines are uniformly distributed between every two adjacent arc lines, so that the division value is 1cm, and the test precision is 1 cm. Preferably, the number of circular arcs in each group can be set to other numbers as long as the measurement result meets the required precision requirement.

In this embodiment, five tangential concentric rings 2123 are disposed on the first sidewall 212 and five arc line groups 2125 are disposed corresponding to the five tangential concentric rings 2123. The five concentric rings 2123 are imprinted with different colors, and the color of the plurality of circular arc lines in each circular arc line group 2125 is the same as the color of the corresponding concentric ring 2123 for identification. The concentric rings 2123 can cooperate with corresponding sets of arc lines 2125 to measure the body slope length of the cow 300 by: assuming FIG. 7 is the bottommost concentric ring 2123, where the shoulder of the cow 300 is at point A, the coordinate at which A is read is approximately-2; assuming that fig. 8 shows the circular arc line group 2125 corresponding to the bottommost concentric ring 2123, at this time, the ischial end of the cow 300 is located at the B point, the coordinate of the B point is read to be approximately 89, and the sum of the coordinate values of the a point and the coordinate value of the B point is the body slope length of the cow, which in this embodiment is-2 +89 ═ 87 cm.

The first sidewall 212 further has an operation hole 2128, and the operation hole 2128 is connected to the measurement area and located between the circular arc line group 2125 and the concentric ring 2123. Preferably, the operation hole 2128 is square, and its width and height are set to facilitate the operation of the bust measurement mechanism 4 by the operator. The access hole 2128 is preferably provided in the first side wall 212 at a distance of 15-35cm from its right edge (the side adjacent to the second guide rail 24) and 60-120cm from the ground.

Referring to fig. 11 again, in the present embodiment, the second sidewall plate 213 includes a plate body 2131 and a plurality of protrusions 2133 fixed on a side of the plate body 2131 facing the first sidewall plate 212. Plate 2131 is disposed in parallel with and opposite to first sidewall plate 212. One side of the plate 2131, which faces away from the protrusion 2133, is connected to a sidewall driver 2135. In this embodiment, the sidewall driving member 2135 is a hydraulic expansion device, such as a hydraulic cylinder, etc., and the structure thereof belongs to the prior art, and will not be described herein for brevity.

Referring to fig. 1, fig. 9 and fig. 10, in the present embodiment, two positioning frames 217 are further oppositely disposed in the measuring fence 21. Two locating racks 217 are distributed at intervals along the width direction of the measuring area, and are parallel to the first side wall plate 212 and the second side wall plate 213, wherein one locating rack 217 is arranged close to the first side wall plate 212, and the other locating rack 217 is arranged close to the second side wall plate 213, and is penetrated by a avoiding hole 2171 for the protrusion 2133 of the second side wall plate 213 to pass through. In this embodiment, the bottom of each of the two positioning frames 217 is connected to the wagon balance 5, and together form a limiting space for accommodating the cow 300, which enables the weight of the cow to be measured more accurately.

Referring to fig. 1 to 3, the entrance door 214 functions as a stop and includes a door frame 2141, an inner door driving member 2143 and an inner door 2145. The door frame 2141 is installed between the measuring fence 21 and the buffering fence 22, and can be forced to move along the width direction of the measuring area to allow the cattle 300 to be measured to enter the measuring area, specifically: the position-limiting frame 2 includes a first guide rail 251 and a second guide rail 253, the first guide rail 251 and the second guide rail 253 are respectively located on two opposite sides of the door frame 2141, and both are parallel to the width of the measuring region; wherein, one end of the first guide rail 251 is connected with the top of the first sidewall plate 212, and the second guide rail 253 is installed on the top of the buffering fence 22; at least one pair of pulleys 2146 is rotatably mounted on the top of the door frame 2141, and each pair of pulleys 2146 is slidably connected to the first guide rail 251 and the second guide rail 253, respectively. The method of mounting the pulley 2146 is well known in the art and will not be described herein for brevity. The inner door driving member 2143 is mounted on the door frame 2141, and is connected to the inner door 2145 to drive the inner door 2145 toward or away from the outlet door 215. In this embodiment, the inner door driving member 2143 is a hydraulic driving device, such as a hydraulic cylinder, and the like, and the structure thereof is known in the art, and will not be described herein for brevity.

Referring to fig. 1, 2 and 4, the outlet door 215 functions as a stop, and includes an outer frame 2151, a first limit rod 2153, a second limit rod 2155, a first limit driving member 2157 and a second limit driving member 2158. The outer frame 2151 is mounted on the first sidewall 212 at an end away from the entrance door 214, and can be forced to move along the width direction of the measurement area to allow the cow 300 to be measured to leave the measurement area, specifically: the limiting frame 2 comprises a third guide rail 261 and a fourth guide rail 263, wherein the third guide rail 261 and the fourth guide rail 263 are respectively positioned at two opposite sides of the outer frame 2151 and are parallel to the width of the measuring area; one end of the third guide rail 261 is connected to the top of the first sidewall plate 212, and the fourth guide rail 263 is installed on the top of the second guide rail 24; at least one pair of rollers 2159 is rotatably mounted on the top of the outer frame 2151, and each pair of rollers 2159 is slidably connected to the third and fourth rails 261 and 263, respectively. The method of mounting the rollers 2159 is well known in the art and will not be described herein for brevity. The first limiting rod 2153 and the second limiting rod 2155 are oppositely arranged in the height direction of the measuring area to form a clamping space for the cow head and neck to extend into; first gag lever post 2153 is connected with frame 2151 through first limit driving spare 2157, and second gag lever post 2155 is connected with frame 2151 through second limit driving spare 2158, and under the effect of first limit driving spare 2157 and second limit driving spare 2158, first gag lever post 2153 and second gag lever post 2155 can be close to each other or keep away from each other along the direction of height in measurement area. In this embodiment, the first limit driving member 2157 and the second limit driving member 2158 are hydraulic telescopic rods, and the structure thereof is not described in detail herein for brevity.

Referring to fig. 1 again, the buffering rail 22 is installed at one end of the measuring rail 21 where the entrance door 214 is installed, and a buffering channel is formed in the buffering rail 22; the entrance door 214 is in an open position, allowing the cow 300 to enter the measurement area from the buffer passage. In the present embodiment, the buffering fence 22 includes a first buffering wall 221 and a second buffering wall 223, and the first buffering wall 221 and the second buffering wall 223 are disposed in parallel and opposite to each other to jointly enclose the buffering channel. One end of the first buffer wall 221, which is close to the first side wall plate 212, is spaced from the first side wall plate 212 to form a sliding hole 225, and the sliding hole 225 is used for the door frame 2141 to slide through; opposite ends of the second guide rail 253 are connected to the top of the first buffer wall 221 and the top of the second buffer wall 223, respectively.

Referring to fig. 1, 2 and 5, a switch door 27 is installed between the first guiding fence 23 and the buffering fence 22 to perform a blocking function. The opening and closing door 27 can be forced to move in the width direction of the measuring area to allow the cattle 300 to be measured to enter the buffering fence 22 from the first guiding fence 23, specifically: the limiting frame 2 comprises a fifth guide rail 281 and a sixth guide rail 283, the fifth guide rail 281 and the sixth guide rail 283 are respectively positioned at two opposite sides of the switch door 27 and are parallel to the width direction of the measuring area; the fifth guide rail 281 is installed on the top of the first guide rail 23, the sixth guide rail 283 is installed on the top of the buffering rail 22, and opposite ends of the sixth guide rail 283 are connected with the first buffering wall 221 and the second buffering wall 223, respectively; at least one pair of guide wheels 271 is rotatably installed on the top of the opening/closing door 27, and each pair of guide wheels 271 is slidably connected to the fifth and sixth guide rails 281 and 283, respectively. The method of installing the guide wheel 271 belongs to the prior art, and is not described herein for brevity.

In this embodiment, the first guide rail 23 includes a first guide wall 231 and a second guide wall 233, and one end of the first guide wall 231 is spaced apart from the first buffer wall 221 to form an avoiding hole 235 for the opening/closing door 27 to pass through; one end of the second guide wall 233 is connected to the second buffer wall 223; the distance between the first guide wall 231 and the second guide wall 233 is gradually decreased in a direction approaching the measuring region, and opposite ends of the fifth guide rail 281 are connected to the top of the first guide wall 231 and the top of the second guide wall 233, respectively.

The second guide rail 24 includes a first guide wall 241 and a second guide wall 243 oppositely disposed, and a sliding hole 245 for the exit door 215 to pass through is formed between one end of the second guide wall 243 and the first side wall plate 212; one end of the first guide wall 241 extends to the second sidewall 213 and is spaced apart from the second sidewall 213 by a predetermined distance, which is preferably a distance that does not interfere with the movement of the second sidewall 213 and prevents the cow 300 from passing through; the distance between the first guide wall 241 and the second guide wall 243 is gradually decreased along a direction approaching the measurement region, and opposite ends of the fourth guide rail 263 are connected to the top of the first guide wall 241 and the top of the second guide wall 243, respectively.

In this embodiment, the push-pull handle 29 is provided on the outer frame 2151 of the entrance door 214, the door frame 2141 of the exit door 215, and the opening/closing door 27, and the push-pull handle 29 is located outside the measurement area so as to push and pull the entrance door 214, the exit door 215, and the opening/closing door 27 in the width direction of the measurement area. The entrance door 214, the exit door 215 and the opening and closing door 27 are opened and closed in a manner of pushing and pulling along the width direction of the measuring area, so that the influence of the opening and closing of the entrance door 214, the exit door 215 and the opening and closing door 27 on the movement of the cow 300 in and out can be avoided.

Referring to fig. 1, 11 to 13, the chest circumference measuring mechanism 4 includes a slip ring 41, a measuring tape 42, a plurality of automatic retraction members 43, and a plurality of retraction pull wires 44. The slip ring 41 is arranged in the measuring area in a sliding manner and can move along the length direction of the measuring area under stress; a plurality of automatic retraction pieces 43 are arranged on the inner wall of the sliding ring 41, and each automatic retraction piece 43 is connected with a retraction traction wire 44; the measuring tape 42 is connected with a plurality of retracting traction wires 44 on the automatic retracting piece 43, one end of the measuring tape 42 is positioned at the operating hole 2128, and the other end of the measuring tape 42 penetrates through the operating hole 2128 so as to facilitate measurement.

The slip ring 41 is slidably disposed in the measurement area, and specifically includes: the slide ring 41 is slidably connected to the positioning frame 217 closest to the operation hole 2128 at one side, so that the slide ring 41 is slidably installed in the measurement area.

In the present embodiment, the slip ring 41 has a substantially square frame shape, and includes a first slide plate 411, a second slide plate 412, a third slide plate 413, and a fourth slide plate 414. First slide 411 and second slide 412 set up relatively, and third slide 413 and fourth slide 414 set up relatively and all are located between two locating rack 217, and wherein, same one end of first slide 411 and second slide 412 is connected to third slide 413, and third slide 413 and the locating rack 217 nearest to handle hole 2128 sliding connection specifically are: a dovetail slider 4132 is protruded from an outer wall of the third slider 413, a dovetail groove 2173 extending in a length direction of the measurement area is protruded from the positioning frame 217 adjacent to the operation hole 2128, and the dovetail slider 4132 is slidably received in the dovetail groove 2173, thereby slidably coupling the third slider 413 and the positioning frame 217 closest to the operation hole 2128. Preferably, the second sled 412 is positioned proximate to the wagon balance 5 to reduce the effect of the second sled 412 on the movement of the cow 300. Two opposite ends of the fourth sliding plate 414 are respectively fixed with a sliding sleeve 4142, and the two sliding sleeves 4142 are respectively slidably sleeved on the first sliding plate 411 and the second sliding plate 412. The fourth sliding plate 414 is further slidably connected to the protrusion 2133 of the second sidewall plate 213, specifically: a dovetail slider (not shown) is protruded from the outer wall of the fourth sliding plate 414, a dovetail groove (not shown) extending along the length direction of the measurement area is protruded from the protrusion 2133 of the second sidewall plate 213, and the dovetail slider is slidably received in the dovetail groove, so that the fourth sliding plate 414 and the protrusion 2133 of the second sidewall plate 213 are slidably connected together. When the second sidewall plate 213 moves towards the first sidewall plate 212, the fourth sliding plate 414 moves along with the first sidewall plate to adjust the size of the slip ring 41 according to the size of the cow, so that the use is more convenient; when the third sliding plate 413 is forced to move along the length direction of the measurement area, the first sliding plate 411 and the second sliding plate 412 can be driven to move along with the third sliding plate, and the first sliding plate 411 and the second sliding plate 412 drive the fourth sliding plate 414 to move synchronously through the sliding sleeve 4142, so that the movement of the sliding ring 41 is more stable.

The first sliding plate 411, the second sliding plate 412, the third sliding plate 413 and the fourth sliding plate 414 are provided with at least one automatic retraction member 43. Referring to fig. 14, the structure of the automatic retraction device 43 belongs to the prior art, and includes a housing 431, a winding shaft 434 installed in the housing 431, and a spring (not shown) connecting the winding shaft 434 and the housing 431. The housing 431 is mounted on the corresponding first or second sliding plate 411 or 412 or third or fourth sliding plate 413 or 414, the retraction traction wire 44 is wound on the winding reel 434, and one end of the retraction traction wire penetrates out of the housing 431 to be connected with the measuring tape 42. In the initial state, the automatic retraction member 43 causes the measuring tape 42 to enclose an opening for the passage of the cow 300. When the two ends of the measuring tape 42 are pulled, the retraction pull wire 44 on the automatic retraction piece 43 is pulled out, the opening of the measuring tape 42 is allowed to become small and to surround the cow chest for one circle (fig. 13), and the measuring purpose is realized, and at the moment, the spring stores energy. When the both ends of the measuring tape 42 are released, the spring returns the strip-retracted traction wire, so that the opening of the measuring tape 42 becomes large and the initial state is restored (fig. 11).

In this embodiment, a hook 45 is further connected to an end of the measuring tape 42 located at the operation hole 2128, and an end of the measuring tape 42 provided with the hook 45 is connected to the sliding ring 41 through a self-retracting member 43 provided at a connection of the first sliding plate 411 and the third sliding plate 413, so that the hook 45 is located near the operation hole 2128. The origin of the measuring flexible rule 42 is positioned at the hook 45, and scales are marked from 100cm to 200cm away from the hook 45 for measuring the circumference of the chest. It will be appreciated that graduations may also be provided on the measurement tape 42.

Preferably, in this embodiment, the bumper fence 22 is about 2.0 meters in length, about 1 meter in width, and about 1.8 meters in height; the measuring fence 21 has a length of about 2.0 meters and a height of about 1.8 meters, and a width (i.e., a distance between the plate body 2131 of the second side wall plate 213 and the first side wall plate 212) of about 1 meter in an initial state where the second side wall plate 213 is farthest away from the first side wall plate 212; the door frame 2141 of the entrance door 214 is about 1.6 meters tall and about 1.1 meters wide, and the inner door 2145 is about 0.8 meters wide; the height of the opening and closing door 27 is about 1.6 meters, and the width is about 1.1 meters; the outer frame 2151 of the exit door 215 has a height of about 1.6 m and a width of about 1.1 m, and the first stopper bar 2153 has a height of 0-0.3 m and the second stopper bar 2155 has a height of 0.6-1.0 m.

Referring to fig. 15 and 16 together, when the body weight scale measuring device 100 is used, the body weight scale measuring device 100 is installed in a cowshed 200, that is, the bottom of the buffering fence 22, the bottom of the weighbridge 5, the bottoms of the first guide fence 23 and the second guide fence 24 are all fixed to the ground of the cowshed 200, and the bottom of the first side wall plate 212 in the measuring fence 21 is fixed to the top surface of the weighbridge 5, and it can be understood that in other embodiments, the bottom of the first side wall plate 212 in the measuring fence 21 may be fixed to the ground of the cowshed 200. The space in the cowshed 200 is partitioned into a test area 230 and a placement area 250 for placing the cattle 300 that have completed the test by the partition fence 210. The partition fence 210 is located between the inlet end and the outlet end of the measuring fence 21, the area to be measured 230 is communicated with the first guide fence 23, and the placement area 250 is communicated with the second guide fence 24.

The cattle 300 are driven one by one from the area to be measured 230, the first guiding fence 23 into the buffering fence 22 and then into the measuring fence 21. A cow 300 is positioned in the buffer enclosure 22. After a cow 300 finishes measuring in the measuring area, pushing the exit gate 215 in a direction away from the measuring area, so that the cow 300 which finishes measuring can leave from the measuring area to enter the placing area 250, and after the cow 300 leaves, pushing the exit gate 215 to reset to prevent the cow 300 from passing through the exit end; pushing the entrance gate 214 in a direction away from the measurement area, other workers drive the cattle 300 in the buffering pen 22 into the measurement area from the entrance end, and then push the entrance gate 214 to reset to prevent the cattle 300 from passing through the entrance end; other staff will drive the next cow from the cowshed 200 into the buffer pen 22 for the next measurement. Therefore, the measurement efficiency can be improved by connecting all links.

After the cow 300 enters the measuring area, the side wall driving piece 2135 drives the protrusions 2133 to jack towards the cow 300 until the cow 300 cannot move along the width direction of the measuring area. The inner door driving member 2143 drives the inner door 2145 of the inlet door 214 to push the cow 300 in the measuring area toward the outlet door 215, and the cow 300 is forced to move toward the outlet door 215 to pass the head through the measuring tape 42 and extend into the space between the first stopper bar 2153 and the second stopper bar 2155 of the outlet door 215. Under the drive of the first and second limit driving parts 2157 and 2158, the positions of the upper and lower first and second limit rods 2153 and 2155 are adjusted to make the head and neck of the cow 300 substantially level with the back, and the measurement can be started.

The body weight of the cow 300 can be read through the wagon balance 5. The worker stands outside the first side wall plate 212, and reads the reading corresponding to the shoulder of the cow through the body height measuring scale 2121, namely the body height H of the cow. The worker stands outside the first sidewall 212, finds the position of the shoulder of the cow near the lower right concentric ring 2123, looks at the position of the shoulder of the cow in the range of the concentric ring 2123, and reads the coordinate axis corresponding to the concentric circle 2126 closest to the position of the shoulder of the cow. Then, the position of the ischial end of the cow is found on the circular arc line with the same color as the concentric ring 2123 at the upper left corner, and the scale corresponding to the circular arc line closest to the ischial end of the cow is read, and the sum of the two is the body inclination length L. The test error is verified to be about +/-1 cm.

When the chest circumference is measured, the end of the measuring flexible rule 42 which is not connected with the hook 45 is clamped on the hook 45, so that the measuring flexible rule 42 forms a loop which surrounds the cow chest for one circle. The slip ring 41 is moved so that the measuring tape 42 is located at the cow's chest position. One hand penetrates through an operation hole 2128 reserved in the first side wall plate 212 to push the hook 45 up to the cow 300, the other hand pulls out the end, which is not connected with the hook 45, of the measuring tape 42 in the direction away from the measuring area, so as to adjust the tightness degree of the loop, the loop surrounds the cow chest for one circle, and the scale value of the reading hook 45 on the measuring tape 42 is the cow chest circumference number. After the test is finished, the hook 45 and the end of the measuring tape 42, which is not connected with the hook 45, are released, and the measuring tape 42 is pulled back to the original position by the tension of the elastic recovery piece 43.

After the measurement is finished, the second side wall plate 213, the inner door 2145 of the entrance door 214, the first limiting rod 2153 and the second limiting rod 2155 are reset, the space behind the cow 300 is enlarged after the entrance door 214 is reset, the cow 300 generally retracts automatically due to loose rear, so that the cow head is separated from the first limiting rod 2153 and the second limiting rod 2155, and the cow head can be separated from the first limiting rod 2153 and the second limiting rod 2155 by adopting a manual driving mode; the exit door 215 is then opened and the cow 300 is discharged out of the measurement area.

Above-mentioned spacing 2 for measurement of ox weight body chi, its accessible is adjusted the position of second lateral wall board 213 and is controlled the width of measuring rail 21, and the position through adjusting interior door 2145 controls the length of measuring rail 21 to the realization is to the regulation of measuring rail 21 size, so that it is applicable to the measurement of the ox weight body chi of different sizes, solves the improper problem that the ox 300 wherein moves and leads to measuring inconvenient of traditional spacing 2 size. Through setting up first gag lever post 2153 and second gag lever post 2155, can control ox head height to with suitable position of ox 300 quick positioning body chi survey, improved the efficiency of test.

Above-mentioned ox weight body ruler measuring device 100, its first side wall board 212 adopt transparent material, can read the body height of ox 300 through body height measurement scale 2121 on first side wall board 212, can read the body slant length of ox 300 through concentric ring 2123 and the circular arc group 2125 that set up on first side wall board 212, need not the staff and carries measuring tool, and it is more convenient to use. During the measurement, the staff stands outside first side wall board 212 and measures, keeps apart ox 300 and staff through first side wall board 212, measures safelyr. The body slant length of the cow 300 is tested through the plurality of concentric rings 2123 and the plurality of arc line groups 2125 corresponding to the plurality of concentric rings 2123, so that the cow body slant length testing device is suitable for measuring the body slant lengths of cows 300 with different body types, and the testing is more convenient and accurate. The body height measurement scale 2121 is arranged on the first side wall plate 212, and during measurement, the first side wall plate 212 and the ground are perpendicularly installed, so that the ruler is not required to be manually kept to be parallel to or form a right angle and other preset angles with a cow, and the operation is more convenient.

The bovine body weight ruler measuring device 100 is characterized in that the measuring flexible rule 42 for measuring the chest circumference is arranged in the measuring area through the automatic retraction part 43, the measuring flexible rule 42 forms a loop and keeps an open state under the action of the automatic retraction part 43, when the bovine 300 enters the measuring area, the head of the bovine 300 automatically passes through the measuring flexible rule 42, and when the measuring flexible rule 42 is stressed, the loop can be contracted and encircle the chest of the bovine 300 so as to realize measurement. When the chest circumference of the cow 300 is measured, a worker does not need to stretch a handle into a measuring area to surround the measuring tape 42 on the chest of the cow 300, and the measurement is more convenient and safer. Both ends of the measuring tape 42 are located at the operation hole 2128 of the first side wall plate 212, so that a worker can stand outside the first side wall plate 212 for operation, and the convenience and the safety of the measurement of the chest circumference are further improved. The measuring tape 42 can move along the length direction of the measuring area through the slip ring 41, so that the measuring tape 42 can be aligned with the chest position of the cow 300, the measuring tape is suitable for measuring the chest circumference of the cows 300 with different body types, and the test is more accurate.

It will be appreciated that in embodiments thereof, the bumper rail 22, the first guide rail 23 and the second guide rail 24 may be omitted.

It is understood that the structure of the stop frame 2 is not limited to the embodiment, and the stop frame 2 with a fixed measurement area in the prior art may also be adopted, in this case, the sliding ring 41 is slidably connected to the second side wall plate 213 and the stop frame 2 closest to the operation hole 2128, and the opposite ends of the fourth sliding plate 414 are fixedly connected to the first sliding plate 411 and the second sliding plate 412, respectively.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims (10)

1. A cattle weight scale measuring device is characterized by comprising a limiting frame, a weighbridge and a chest circumference measuring mechanism; the limiting frame comprises a measuring fence, the measuring fence comprises a first side wall plate, a second side wall plate, an inlet door and an outlet door, the first side wall plate and the second side wall plate are oppositely arranged in parallel, the first side wall plate is a transparent plate, body height measuring scales are arranged on the first side wall plate along the height of the first side wall plate and used for measuring the body height of a cow, and an operation hole is formed in the first side wall plate in a penetrating mode; the inlet door and the outlet door are respectively arranged at two opposite ends of the first side wall plate, and the first side wall plate, the second side wall plate, the inlet door and the outlet door jointly enclose a measuring area in a cubic shape; the wagon balance is arranged on the ground of the measuring area; chest circumference measuring mechanism includes the sliding ring, measures the flexible rule, a plurality of automatic retraction spare and a plurality of traction wire that contracts, the sliding ring is installed with sliding in the measurement area to can the atress follow the length direction of measurement area removes, and a plurality of automatic retraction spare are installed at the interval on the inner wall of sliding ring, each automatic retraction spare is gone up and is connected one retract the traction wire, measure the flexible rule and retract the traction wire that contracts on the piece with a plurality of automatic retraction and be connected, the one end of measuring the flexible rule is located handle hole department, the other end of measuring the flexible rule is worn to establish the handle hole.

2. The bovine body weight scale measuring device according to claim 1, wherein: two positioning frames are oppositely arranged in the measuring fence, the two positioning frames are oppositely arranged at intervals along the width direction of the measuring area, and the bottoms of the two positioning frames are connected with the wagon balance to form a limiting space for accommodating cattle together; the slip ring is connected with the second side wall plate and the limiting frame closest to the operation hole in a sliding mode.

3. The bovine body weight scale measuring device according to claim 2, wherein: the sliding ring comprises a first sliding plate, a second sliding plate, a third sliding plate and a fourth sliding plate, the first sliding plate and the second sliding plate are arranged oppositely, the third sliding plate and the fourth sliding plate are arranged oppositely, the third sliding plate is connected with the same ends of the first sliding plate and the second sliding plate, and the third sliding plate is connected with a positioning frame closest to the operation hole in a sliding manner; the fourth sliding plate is connected with the second side wall plate in a sliding mode, and two opposite ends of the fourth sliding plate are respectively connected with the first sliding plate and the second sliding plate; the first sliding plate, the second sliding plate, the third sliding plate and the fourth sliding plate are at least provided with one automatic retraction piece.

4. The bovine body weight scale measuring device according to claim 3, wherein: the second side wall plate comprises a plate body and a bulge convexly arranged on one side of the plate body facing the measuring area, one side of the plate body, which is back to the bulge, is connected with a side wall driving piece so as to be close to or far away from the first side wall plate under the driving of the side wall driving piece, and a position avoiding hole for the bulge to pass through in a sliding manner is formed in the positioning frame in a penetrating manner; two opposite ends of the fourth sliding plate are respectively fixed with a sliding sleeve, and the two sliding sleeves are respectively sleeved on the first sliding plate and the second sliding plate in a sliding manner; the outer wall of the fourth sliding plate is connected with the bulge in a sliding mode.

5. The bovine body weight scale measuring device according to claim 1, wherein: one end of the measuring flexible rule, which is positioned at the operating hole, is connected with a clamping hook, and one end of the measuring flexible rule, which is provided with the clamping hook, is connected with the sliding ring through the automatic retraction piece.

6. The bovine body weight scale measuring device according to claim 1, wherein: the entrance door comprises a door frame, an inner door driving piece and an inner door, wherein the door frame is arranged at one end of the first side wall plate, which is opposite to the exit door, and can be forced to move along the width direction of the measuring area so as to allow the cattle to be measured to enter the measuring area; the inner door driving piece is arranged on the door frame and connected with the inner door to drive the inner door to be close to or far away from the outlet door.

7. The bovine body weight scale measuring device according to claim 1, wherein: the outlet door comprises an outer frame, a first limiting rod, a second limiting rod, a first limiting driving piece and a second limiting driving piece, wherein the outer frame is arranged at one end of the first side wall plate, which is far away from the inlet door, and can be stressed to move along the width direction of the measuring area so as to allow the cattle to be measured to leave the measuring area; the first limiting rod and the second limiting rod are oppositely arranged along the height direction of the measuring area to form a clamping space for the ox head and neck to extend into; the first limiting rod is connected with the outer frame through the first limiting driving piece, the second limiting rod is connected with the outer frame through the second limiting driving piece, and under the action of the first limiting driving piece and the second limiting driving piece, the first limiting rod and the second limiting rod can be close to or far away from each other.

8. The bovine body weight scale measuring device according to claim 1, wherein: the limiting frame further comprises a buffering fence, the buffering fence is arranged at one end, provided with the inlet door, of the measuring fence, and a buffering channel is formed in the buffering fence; when the entrance door is in an open state, the cattle can be allowed to enter the measuring area from the buffer passage.

9. The bovine body weight scale measuring device of claim 8, wherein: the limiting frame further comprises a first guide fence and a second guide fence, the first guide fence is arranged at one end, away from the measuring fence, of the buffer fence, and the second guide fence is arranged at one end, provided with an outlet door, of the measuring fence; and a switch door is arranged between the first guide fence and the buffer fence, and can be forced to move along the width direction of the measuring area so as to allow the cattle to be measured to enter the buffer fence from the first guide fence.

10. The bovine body weight scale measuring device according to claim 1, wherein: the first side wall plate is provided with a plurality of tangent concentric rings, a plurality of arc line groups are arranged corresponding to the concentric rings, and the concentric rings are distributed along the height direction and correspond to the position of the cow shoulder end; each concentric ring comprises a plurality of concentric circles with different diameters, and each concentric ring is provided with a cross coordinate axis by taking the corresponding circle center as an origin; coordinate scales are marked at the intersection of the axis of the cross coordinate axis and the plurality of concentric circles, and each coordinate scale can position the radius of the corresponding concentric circle; the arc line groups are arranged corresponding to the position of the ischial ends of the cattle; the plurality of arc lines in each group of arc line groups are arranged at intervals in the direction far away from the corresponding concentric ring, the circle centers of the plurality of arc lines in each group of arc line groups are overlapped with the circle centers of the corresponding concentric ring, and the distance range between the plurality of arc lines in each group of arc line groups and the circle centers of the corresponding concentric rings is 80cm-150 cm; and each arc line group marks the radius values of the corresponding arc lines by taking the circle centers of the corresponding concentric rings as the original points.

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