Fixing frame for embryo transplantation cattle

Abstract

The utility model discloses a fixing frame for embryo transplantation cattle, which comprises a base, a fixing frame is fixedly mounted at the top of the base, fixing plates are symmetrically mounted on the inner side of the fixing frame, threaded rods are in threaded connection with the inner centers of the two fixing plates, movable frames are rotationally connected with the sides, close to each other, of the two threaded rods, and the movable frames are in threaded connection with the fixing plates. Guide rods are symmetrically mounted on the sides, away from each other, of the two movable frames, the guide rods are slidably connected with the fixing plate, a positioning assembly is arranged on one side of the fixing frame and comprises mounting frames symmetrically mounted at the top of the fixing frame, and L-shaped frames are symmetrically mounted on one side of the mounting frame on the left side; a supporting rod is fixedly mounted between the two L-shaped frames; by means of the arrangement, when embryo transplantation cattle are diagnosed or treated, the heads of cattle of different figures can be fixed, the fixing positions of the heads can be conveniently adjusted, the application range is widened, and discomfort of the cattle is avoided.

Description

Technical Field

[0001] This utility model relates to the field of restraint technology, specifically a restraint for cattle used in embryo transfer. Background Technology

[0002] The application of embryo transfer technology in cattle farming has become a core means to improve herd quality, accelerate genetic improvement and protect endangered breeds. When diagnosing or treating diseases or performing other procedures, cattle that have undergone embryo transfer are usually restrained by binding or placing them in a restraint frame.

[0003] Publication number CN219629849U discloses a cattle restraint frame. This patent can effectively fix the cow's body and head, facilitating a series of operations for workers, saving manpower and resources, and improving work convenience. However, this patent still has the following problems in actual use:

[0004] While a support plate can be used to secure a cow's head, its height is not easily adjustable in practice. This limits its applicability when securing the heads of cattle of different sizes, as it is difficult to adjust the plate to fit the individual body shape. Furthermore, securing the neck area can cause discomfort to the cattle, hindering subsequent treatment or diagnosis.

[0005] A bovine restraint frame for embryo transfer is proposed to address the problems mentioned above. Utility Model Content

[0006] The purpose of this utility model is to provide a bovine restraint frame for embryo transfer, in order to solve the problems mentioned in the background art. Currently, although the head of a cow can be fixed by a support plate, the height of the support plate is not easy to adjust in actual use. When fixing the head of a cow with different body shapes, it is not easy to adjust according to the body shape of the cow, and the scope of use is relatively limited. After fixing the neck of the cow, it is easy to cause discomfort to the cow, which is not convenient for subsequent treatment or diagnosis.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a bovine restraint frame for embryo transfer, comprising a base;

[0008] A mounting bracket is fixedly installed on the top of the base;

[0009] Also includes:

[0010] The inner side of the fixed frame is symmetrically equipped with fixed plates, and the inner center of each fixed plate is threaded with a threaded rod. The side of the two threaded rods that are close to each other is rotatably connected to a movable frame. The side of the two movable frames that are far apart is symmetrically equipped with guide rods, and the guide rods are slidably connected to the fixed plates. A positioning component is provided on one side of the fixed frame.

[0011] The positioning component includes mounting brackets symmetrically installed on the top of the fixed frame, and L-shaped brackets symmetrically installed on one side of the left mounting bracket. A support rod is fixedly installed between the two L-shaped brackets, and two sets of movable blocks are symmetrically slidably connected to the outside of the support rod. A movable plate is fixedly installed at the bottom of each set of two movable blocks.

[0012] Each of the two movable plates has a through groove on one side, and an L-shaped rod is fixedly installed on the lower side of each of the two movable plates. An L-shaped plate is fixedly installed at one end of the L-shaped rod, and the L-shaped plate is slidably connected to the base.

[0013] Preferably, two movable plates are symmetrically mounted with fixing blocks on both sides of the through groove, and a fixing rod is fixedly mounted between the two fixing blocks. A movable frame is slidably connected to the outside of the fixing rod, and a positioning frame is fixedly mounted on one side of the movable frame. A flexible pad is provided on the inner side of the positioning frame, and movable rods are symmetrically slidably connected to the inside of the movable frame.

[0014] Preferably, a connecting plate is fixedly installed at one end of each of the two movable rods, and a telescopic spring is sleeved on the outside of each of the two movable rods on one side of the connecting plate. The two ends of the telescopic spring are fixedly connected to the connecting plate and the movable frame, respectively. A rubber plate is fixedly installed at the other end of each of the two movable rods, and a positioning sleeve is fixedly installed on the movable plate on one side of the movable frame. A support frame is slidably connected inside the positioning sleeve, and a positioning frame is fixedly installed on one side of the support frame. The connecting plate abuts against the positioning frame on one side.

[0015] Preferably, two limiting sleeves are fixedly installed on one side of the movable plate above the positioning frame, and a moving rod is slidably connected inside the two limiting sleeves. A guide block is fixedly installed at the bottom of the moving rod. Mounting blocks are symmetrically installed on the top of the positioning frame, and a column is fixedly installed between the two mounting blocks. A movable groove is opened through one side of the guide block, and the column is slidably connected to the movable groove.

[0016] Preferably, mounting plates are symmetrically mounted on the left side of the mounting frame on the left, and a positioning plate is fixedly mounted on one side of the bottom of the mounting plate. A ramp is provided on one side of the positioning plate, and the top of the moving rod abuts against the ramp.

[0017] Preferably, a limiting frame is fixedly installed on one side of the top of each of the two mounting frames, and a rotating shaft is rotatably connected between the two limiting frames. One end of the rotating shaft passes through the left limiting frame and is fixedly installed with a rotating frame. The two ends of the rotating frame are respectively hinged to a first connecting rod and a second connecting rod, and the ends of the first connecting rod and the second connecting rod away from the rotating frame are respectively hinged to two movable plates.

[0018] Preferably, a rotating rod is fixedly installed on one side of the left mounting bracket outside the rotating shaft, and an arc-shaped bracket is fixedly installed on the side of the left mounting bracket near the rotating rod. Two connecting brackets are fixedly installed on one side of the arc-shaped bracket outside the rotating rod, and positioning rods are slidably connected inside the two connecting brackets. Several positioning holes are equidistantly opened on one side of the arc-shaped bracket, and the positioning rods are inserted into the positioning holes. A return spring is sleeved on one side of the positioning rod, and one end of the return spring is fixedly connected to one side of the connecting bracket. A connecting block is fixedly installed on the other end of the return spring, and the connecting block is fixedly connected to the positioning rod.

[0019] Preferably, a pull rope is fixedly installed at one end of the positioning rod, and a support plate is fixedly installed on the other side of the rotating rod. A limit rod is symmetrically slidably connected inside the rotating rod on one side of the support plate, and a moving plate is slidably connected to the outside of the two limit rods. The end of the pull rope away from the positioning rod is fixedly connected to the moving plate. Support blocks are symmetrically installed on one side of the support plate, and a guide wheel is rotatably connected between the two support blocks. The pull rope is slidably connected to the guide wheel.

[0020] Compared with the prior art, the beneficial effects of this utility model are: This bovine restraint frame for embryo transfer allows for the fixation of the head of cattle of different body shapes during diagnosis or treatment of bovine embryo transfer, facilitating adjustment of the head fixation position, expanding its applicability, avoiding discomfort to the cattle, and making it easy to fix the head according to the thickness of the cattle's neck. The fixation process is easy to adjust to avoid excessive clamping force on the cattle's neck, which could cause discomfort. The specific details are as follows:

[0021] 1. When diagnosing or treating cattle, the cattle are driven into the fixed frame from the right side, allowing their heads to extend beyond the two movable plates. Two positioning frames are then placed around the cattle's necks. At this point, the telescopic springs are in their normal state, allowing adjustment of the position of the movable frame on the fixed rod and the height of the fixed head. This allows the rotating shaft to rotate, which in turn rotates the rotating frame. Through the rotating frame, the first connecting rod, and the second connecting rod, the two movable plates are pushed closer together. After the two movable plates move, the top of the moving rod slides on a slope on one side of the positioning plate, allowing the moving rod to move downwards. This downward movement causes the guide block to move downwards, and through the sliding connection between the movable groove and the column rod, the positioning frame moves closer to the moving frame. At this time, the connecting plate moves together with the positioning frame through contact. The movable rod moves to compress the telescopic spring. When the top of the movable rod moves to the bottom straight edge of the positioning plate, the movable rod moves to make the rubber plate fit tightly against the fixed rod, and can squeeze the rubber plate to produce deformation, so as to firmly position the movable frame. Then, by moving the two movable plates closer together, the positioning frame can move to lock the neck of the cattle, which can fix the head. The two movable plates can also block the cattle's vision to prevent the cattle from seeing the treatment or diagnosis process and being panicked. Then, the threaded rod can be rotated to move the movable frame, so that the two movable frames move closer together to fix and limit the body of the cattle. This allows the head of cattle of different body shapes to be fixed during the diagnosis or treatment of cattle with embryo transfer, making it easy to adjust the position of the head fixation, increasing the applicability, and avoiding discomfort to the cattle.

[0022] 2. When rotating the rotating shaft, the operator can grip the rotating rod and the movable plate, allowing the movable plate to slide on the limit rod. This allows pulling one end of the pull rope, which in turn moves the positioning rod, stretching the return spring and causing the positioning rod to disengage from the positioning hole on the arc frame. This removes the limit on the rotating rod and rotating shaft, allowing the operator to control the two movable plates. When fixing the cattle's head, the operator can observe the cattle's reaction in real time to prevent excessive movement of the movable plates and avoid causing discomfort. If excessive movement of the movable plates causes discomfort, the position of the movable plates can be quickly adjusted. After fixing the head, the positioning rod can be aligned with the adjacent positioning hole, and the movable plate can be released. Under the action of the return spring, the positioning rod returns to its original position and inserts into the positioning hole, thus positioning the rotating rod and the two movable plates. This facilitates fixing the head according to the thickness of the cattle's neck, and the fixing process is easy to adjust to avoid excessive clamping force on the cattle's neck and causing discomfort. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2This is a schematic diagram of the positioning component structure of this utility model;

[0025] Figure 3 This is a schematic diagram of the positioning component of this utility model from another perspective;

[0026] Figure 4 This utility model Figure 3 Enlarged structural diagram of region A in the middle;

[0027] Figure 5 This utility model Figure 3 Enlarged structural diagram of region B in the middle;

[0028] Figure 6 This is a schematic diagram of the guide block structure of this utility model;

[0029] Figure 7 This utility model Figure 2 Enlarged structural diagram of region C in the middle;

[0030] Figure 8 This utility model Figure 2 A magnified schematic diagram of the D region;

[0031] Figure 9 This is a schematic diagram of the fixing frame structure of this utility model.

[0032] In the diagram: 1. Base; 101. Fixing frame; 102. Fixing plate; 103. Threaded rod; 104. Movable frame; 105. Guide rod; 2. Positioning assembly; 201. Mounting bracket; 202. L-shaped bracket; 203. Support rod; 204. Movable block; 205. Movable plate; 206. Through slot; 207. L-shaped rod; 208. L-shaped plate; 209. Fixing block; 210. Fixing rod; 211. Moving frame; 212. Positioning frame; 213. Movable rod; 214. Connecting plate; 215. Telescopic spring; 216. Rubber plate; 217. Positioning sleeve; 218. Support frame; 219. Positioning frame; 22 0. Limiting sleeve; 221. Moving rod; 222. Mounting block; 223. Guide block; 224. Movable groove; 225. Column rod; 226. Mounting plate; 227. Positioning plate; 228. Limiting frame; 229. Rotating shaft; 230. Rotating frame; 231. First connecting rod; 232. Second connecting rod; 233. Rotating rod; 234. Arc frame; 235. Connecting frame; 236. Positioning rod; 237. Positioning hole; 238. Return spring; 239. Connecting block; 240. Pull rope; 241. Support plate; 242. Limiting rod; 243. Moving plate; 244. Support block; 245. Guide wheel. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Please see Figure 1-9 This utility model provides a technical solution: a bovine restraint frame for embryo transfer, comprising a base 1, a fixing frame 101 fixedly mounted on the top of the base 1, and further comprising: fixing plates 102 symmetrically mounted on the inner side of the fixing frame 101, with threaded rods 103 threadedly connected to the inner centers of both fixing plates 102, and movable frames 104 rotatably connected to the sides of the two threaded rods 103 that are close to each other, and guide rods 105 symmetrically mounted on the sides of the two movable frames 104 that are far apart, with guide rods 105 slidably connected to the fixing plates 102, and a positioning component 2 provided on one side of the fixing frame 101, wherein the positioning component 2 includes mounting brackets 201 symmetrically mounted on the top of the fixing frame 101, and symmetrically mounted on one side of the left mounting bracket 201. There is an L-shaped frame 202, and a support rod 203 is fixedly installed between the two L-shaped frames 202. Two sets of movable blocks 204 are symmetrically slidably connected to the outside of the support rod 203. A movable plate 205 is fixedly installed at the bottom of each set of two movable blocks 204. A through groove 206 is opened on one side of each of the two movable plates 205. An L-shaped rod 207 is fixedly installed below one side of each of the two movable plates 205. An L-shaped plate 208 is fixedly installed at one end of the L-shaped rod 207. The L-shaped plate 208 is slidably connected to the base 1. This allows the head of cattle of different body shapes to be fixed during the diagnosis or treatment of cattle undergoing embryo transfer. It is convenient to adjust the position of the head fixation, improve the applicability, and avoid causing discomfort to the cattle.

[0035] Two movable plates 205 are symmetrically mounted with fixing blocks 209 on both sides of the through groove 206, and a fixing rod 210 is fixedly installed between the two fixing blocks 209. A movable frame 211 is slidably connected to the outside of the fixing rod 210, and a positioning frame 212 is fixedly installed on one side of the movable frame 211. A flexible pad is provided on the inner side of the positioning frame 212, and movable rods 213 are symmetrically slidably connected to the inside of the movable frame 211 to adjust the height of the positioning frame 212. One end of each of the two movable rods 213 is fixedly mounted. There is a connecting plate 214, and two movable rods 213 are each fitted with a telescopic spring 215 on one side of the connecting plate 214. The two ends of the telescopic springs 215 are fixedly connected to the connecting plate 214 and the movable frame 211, respectively. Rubber plates 216 are fixedly installed on the other ends of the two movable rods 213. A positioning sleeve 217 is fixedly installed on one side of the movable plate 205 on the movable frame 211. A support frame 218 is slidably connected inside the positioning sleeve 217, and a positioning sleeve is fixedly installed on one side of the support frame 218. The positioning frame 219 is positioned such that the connecting plate 214 abuts against it on one side. The positioning frame 212 can be positioned using the positioning frame 219. Two limiting sleeves 220 are fixedly installed on one side of the movable plate 205 above the positioning frame 219. A moving rod 221 is slidably connected inside the two limiting sleeves 220, and a guide block 223 is fixedly installed at the bottom of the moving rod 221. Installation blocks 222 are symmetrically installed on the top of the positioning frame 219, and a column rod 225 is fixedly installed between the two installation blocks 222. Furthermore, a movable groove 224 is provided through one side of the guide block 223, and the column rod 225 is slidably connected to the movable groove 224, so that the downward movement of the moving rod 221 can drive the positioning frame 219 to move. The left side of the left mounting frame 201 is symmetrically equipped with mounting plates 226, and a positioning plate 227 is fixedly installed on one side of the bottom of the mounting plate 226. A ramp is provided on one side of the positioning plate 227, and the top of the moving rod 221 abuts against the ramp, so that the moving rod 221 can move downward when it moves below the positioning frame 219.

[0036] Each of the two mounting brackets 201 has a limiting bracket 228 fixedly mounted on one side of its top. A rotating shaft 229 is rotatably connected between the two limiting brackets 228. One end of the rotating shaft 229 passes through the left limiting bracket 228 and is fixedly mounted with a rotating bracket 230. A first connecting rod 231 and a second connecting rod 232 are respectively hinged to both ends of the rotating bracket 230. The ends of the first connecting rod 231 and the second connecting rod 232 away from the rotating bracket 230 are respectively hinged to two movable plates 205, facilitating simultaneous control of the two... The movable plate 205 moves, and a rotating rod 233 is fixedly installed on the outside of the rotating shaft 229 on one side of the left mounting bracket 201. An arc-shaped bracket 234 is fixedly installed on the side of the left mounting bracket 201 near the rotating rod 233. Two connecting brackets 235 are fixedly installed on the outside of the rotating rod 233 on one side of the arc-shaped bracket 234. Positioning rods 236 are slidably connected inside the two connecting brackets 235. Several positioning holes 237 are equidistantly opened on one side of the arc-shaped bracket 234, and the positioning rods 236... The positioning hole 237 is inserted into the positioning rod 236, and a return spring 238 is sleeved on the outer side of the positioning rod 236. One end of the return spring 238 is fixedly connected to a connecting bracket 235 on one side, and a connecting block 239 is fixedly installed on the other end of the return spring 238. The connecting block 239 is fixedly connected to the positioning rod 236, which can position the rotating shaft 229. A pull rope 240 is fixedly installed on one end of the positioning rod 236, and a support plate 241 is fixedly installed on the other side of the rotating rod 233. Inside the support plate 241, there are symmetrical sliding connections of limit rods 242 on one side, and the two limit rods 242 are slidably connected to a movable plate 243. The end of the pull rope 240 away from the positioning rod 236 is fixedly connected to the movable plate 243. Support blocks 244 are symmetrically installed on one side of the support plate 241, and guide wheels 245 are rotatably connected between the two support blocks 244. The pull rope 240 is slidably connected to the guide wheels 245, which facilitates the movement of the positioning rod 236 and improves the ease of operation.

[0037] Working principle: Before using this type of bovine restraint frame for embryo transfer, it is necessary to check the overall condition of the device to ensure it can function properly. Figure 1 - Figure 9As shown, when diagnosing or treating cattle, the cattle are driven into the fixed frame 101 from the right side, and then their heads extend out of the two movable plates 205. Two positioning frames 212 can then be placed around the cattle's necks. At this time, the telescopic spring 215 is in its normal state, allowing adjustment of the position of the movable frame 211 on the fixed rod 210, thus adjusting the head's fixed height. Then, the rotating shaft 229 rotates, driving the rotating frame 230 to rotate. Through the rotating frame 230, the first connecting rod 231, and the second connecting rod 232, the two movable plates 205 can be pushed closer together. After the two movable plates 205 move, the top of the movable rod 221 slides on the slope of the positioning plate 227, allowing the movable rod 221 to move downwards. The downward movement of the movable rod 221 causes the guide block 223 to move downwards. Through the sliding connection between the movable groove 224 and the column rod 225, the positioning frame 219 moves closer to the movable frame 211. At this time, the connecting plate 21... 4. By moving together with the positioning frame 219, the movable rod 213 moves to compress the telescopic spring 215. When the top of the movable rod 221 moves to the bottom straight edge of the positioning plate 227, the movable rod 213 moves to make the rubber plate 216 fit tightly against the fixed rod 210, and can squeeze the rubber plate 216 to produce deformation, so that the movable frame 211 can be firmly positioned. Then, by moving the two movable plates 205 closer together, the positioning frame 212 can move to lock the neck of the cattle, which can fix the head. The two movable plates 205 can also block the cattle's vision to prevent the cattle from seeing the treatment or diagnosis process and becoming panicked. Then, the threaded rod 103 can be rotated to drive the movable frame 104 to move, so that the two movable frames 104 move closer together to fix and limit the body of the cattle. This allows the head of cattle of different body shapes to be fixed when diagnosing or treating cattle with embryo transfer, making it easy to adjust the position of the head fixation, increasing the applicability, and avoiding discomfort to the cattle.

[0038] When rotating the rotating shaft 229, the operator can grip the rotating rod 233 and the movable plate 243, causing the movable plate 243 to slide on the limiting rod 242. This allows the operator to pull one end of the pull rope 240, which in turn moves the positioning rod 236. This stretches the return spring 238, causing the positioning rod 236 to disengage from the positioning hole 237 on the arc frame 234. This removes the limiting position between the rotating rod 233 and the rotating shaft 229. The rotating rod 233 can then control the two movable plates 205. When fixing the head of a cattle, the operator can observe the cattle's reaction in real time to prevent injury. Excessive movement of the movable plate 205 can cause discomfort to the cattle. If this is the case, the position of the movable plate 205 can be quickly adjusted. After the head is fixed, the positioning rod 236 can be aligned with the adjacent positioning hole 237. The movable plate 243 can be released, and the positioning rod 236 will be reset and inserted into the positioning hole 237 under the action of the return spring 238, thereby positioning the rotating rod 233 and positioning the two movable plates 205. This makes it easier to fix the head according to the thickness of the cattle's neck. The fixing process is easy to adjust to avoid excessive clamping force on the cattle's neck, which could cause discomfort.

[0039] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A bovine restraint frame for embryo transfer, comprising a base (1); A fixing bracket (101) is fixedly installed on the top of the base (1). Its features are, Also includes: The fixing frame (101) is symmetrically equipped with fixing plates (102) on its inner side, and the inner center of each fixing plate (102) is threaded with a threaded rod (103). The two threaded rods (103) are rotatably connected to the side of each other. The two movable frames (104) are symmetrically equipped with guide rods (105) on the side of each other. The guide rods (105) are slidably connected to the fixing plates (102). A positioning component (2) is provided on one side of the fixing frame (101). The positioning component (2) includes a mounting bracket (201) symmetrically mounted on the top of the fixed frame (101), and an L-shaped frame (202) symmetrically mounted on one side of the left mounting bracket (201), and a support rod (203) fixedly mounted between the two L-shaped frames (202). The support rod (203) is symmetrically slidably connected to two sets of movable blocks (204) on the outside, and a movable plate (205) is fixedly mounted at the bottom of each set of two movable blocks (204). Among them, a through groove (206) is provided on one side of each of the two movable plates (205), and an L-shaped rod (207) is fixedly installed on the lower side of one side of each of the two movable plates (205), and an L-shaped plate (208) is fixedly installed on one end of the L-shaped rod (207), and the L-shaped plate (208) is slidably connected to the base (1).

2. The bovine restraint frame for embryo transfer according to claim 1, characterized in that: Two movable plates (205) are symmetrically mounted with fixing blocks (209) on both sides of the through groove (206), and a fixing rod (210) is fixedly mounted between the two fixing blocks (209). A movable frame (211) is slidably connected to the outside of the fixing rod (210), and a positioning frame (212) is fixedly mounted on one side of the movable frame (211). A flexible pad is provided on the inside of the positioning frame (212), and a movable rod (213) is symmetrically slidably connected to the inside of the movable frame (211).

3. The bovine restraint frame for embryo transfer according to claim 2, characterized in that: One end of each of the two movable rods (213) is fixedly mounted with a connecting plate (214), and each of the two movable rods (213) is fitted with a telescopic spring (215) on one side of the connecting plate (214). The two ends of the telescopic spring (215) are fixedly connected to the connecting plate (214) and the movable frame (211) respectively. The other end of each of the two movable rods (213) is fixedly mounted with a rubber plate (216), and the movable plate (205) is fixedly mounted with a positioning sleeve (217) on one side of the movable frame (211). The positioning sleeve (217) is slidably connected with a support frame (218), and a positioning frame (219) is fixedly mounted on one side of the support frame (218). The connecting plate (214) abuts against the positioning frame (219) on one side.

4. The bovine restraint frame for embryo transfer according to claim 3, characterized in that: Two limiting sleeves (220) are fixedly installed on one side of the movable plate (205) above the positioning frame (219), and a moving rod (221) is slidably connected inside the two limiting sleeves (220). A guide block (223) is fixedly installed at the bottom of the moving rod (221), and mounting blocks (222) are symmetrically installed on the top of the positioning frame (219). A column rod (225) is fixedly installed between the two mounting blocks (222), and a movable groove (224) is opened through one side of the guide block (223). The column rod (225) is slidably connected to the movable groove (224).

5. The bovine restraint frame for embryo transfer according to claim 4, characterized in that: The mounting bracket (201) on the left side is symmetrically mounted with mounting plates (226), and a positioning plate (227) is fixedly mounted on one side of the bottom of the mounting plate (226). A ramp is provided on one side of the positioning plate (227), and the top of the moving rod (221) abuts against the ramp.

6. The bovine restraint frame for embryo transfer according to claim 1, characterized in that: Each of the two mounting brackets (201) has a limiting bracket (228) fixedly installed on one side of its top. A rotating shaft (229) is rotatably connected between the two limiting brackets (228). One end of the rotating shaft (229) passes through the left limiting bracket (228) and is fixedly installed with a rotating bracket (230). The two ends of the rotating bracket (230) are respectively hinged to a first connecting rod (231) and a second connecting rod (232). The ends of the first connecting rod (231) and the second connecting rod (232) away from the rotating bracket (230) are respectively hinged to two movable plates (205).

7. The bovine restraint frame for embryo transfer according to claim 6, characterized in that: A rotating rod (233) is fixedly installed on the outside of the rotating shaft (229) on one side of the left mounting bracket (201). An arc-shaped bracket (234) is fixedly installed on the side of the left mounting bracket (201) near the rotating rod (233). Two connecting brackets (235) are fixedly installed on the outside of the rotating rod (233) on one side of the arc-shaped bracket (234). A positioning rod (236) is slidably connected inside the two connecting brackets (235). Several positioning holes (237) are equidistantly opened on one side of the arc-shaped bracket (234). The positioning rod (236) is inserted into the positioning hole (237). A return spring (238) is sleeved on the outside of the positioning rod (236). One end of the return spring (238) is fixedly connected to one side of the connecting bracket (235). A connecting block (239) is fixedly installed on the other end of the return spring (238). The connecting block (239) is fixedly connected to the positioning rod (236).

8. The bovine restraint frame for embryo transfer according to claim 7, characterized in that: One end of the positioning rod (236) is fixedly installed with a pull rope (240), and the other side of the rotating rod (233) is fixedly installed with a support plate (241). The rotating rod (233) is symmetrically connected to a limit rod (242) on one side of the support plate (241). The two limit rods (242) are slidably connected to a moving plate (243). The end of the pull rope (240) away from the positioning rod (236) is fixedly connected to the moving plate (243). Support blocks (244) are symmetrically installed on one side of the support plate (241). A guide wheel (245) is rotatably connected between the two support blocks (244). The pull rope (240) is slidably connected to the guide wheel (245).

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