Automatic grabber for small animals

Abstract

The invention relates to a method for grabbing a small animal by controlling four limbs or limbs of the animal. The weight of the small animal is measured through a push-pull force sensor. Figure 1 is a product main body, and the product main body supplies power to grabbing accessories and achieves the functions of grabbing, taking, weighing display, one-key calibration and the like through a control circuit. The product main body and the grabbing accessory are detachably connected, so that the automatic grabbing device can adapt to more animals. Figure 2 is a product accessory figure, and the direct current motor achieves winding and unwinding of the two tensile wires through gear transmission. The tail ends of the electric wires are connected with the two electromagnets respectively, the bottom of the accessory is provided with two semi-ring magnets which are axially magnetized, the two electromagnets are ejected out through electromagnetic ejection, slide and then are attracted on the inclined lower portion, the two anti-stretching electric wires form a closed wire ring, the closed wire ring buckles limbs of an animal, and meanwhile the wire ring is tightened to complete animal fixation.

Description

Technical field:

[0001] The invention relates to a technical method for grabbing small animals and weighing them quickly, and in particular to a method for fastening animal limbs by using two tensile wires with electromagnets at the top to form a tightenable wire loop by switching on and off the power. Technical background:

[0002] At present, the domestic pet market has a large number of pets, and the weight measurement of pets during their growth process is more dependent on scales. In medical laboratories, a large number of experimental animals need to be caught and weighed, and the most primitive methods are still used, such as picking up animals by hand and weighing mice and rats with electronic scales. Although the above two methods can achieve the purpose of grabbing and weighing, they consume a lot of time and even require calculations. Summary of the invention:

[0003] In view of the above problems, the present invention provides a quick and convenient grasping and weighing method, in which two wires with electromagnets at the top are ejected and passed around the forelimbs and hindlimbs of the animal and quickly adsorbed to form a complete loop, and then the wire loop is contracted to achieve control of the animal's limbs. The weight of the animal can be quickly calculated through the push-pull force sensor, so as to quickly read the weight.

[0004] The present invention is implemented as follows: (12) an anti-stretching wire, which tightens or retracts the closed loop by retracting and releasing the electromagnet. (11) a DC motor, which provides power for the entire grasping and releasing process. (10) a cylindrical electromagnet, which adsorbs two anti-stretching wires into a closed loop and can be disconnected at any time. When powered on, the two cylindrical electromagnets are tightly adsorbed to form a closed loop, otherwise they are disconnected into two anti-stretching wires. (13) a gear, which transmits power to a suitable position and guides the (16) slider to move left and right. (14) a semi-circular axially magnetized magnet, which provides a force for the (10) cylindrical electromagnet to pop out. (15) an infrared laser ranging sensor, which controls the timing of the electromagnet powering off when it pops out and the timing of tightening the closed loop when tightening the loop, to prevent the loop from being too loose or too tight and causing damage to the animal. (16) a long rigidly connected cylinder is located above the rectangular slider with internal threads. The whole is fixed on its motion trajectory, and the rectangular body can reduce the kinetic energy loss caused by self-rotation during the retraction and release process. The cylinder passes through the stretch-resistant wire to directly control the retraction and extension of the wire. (1) The main handle is convenient for the operator to pick up. (2) The retractable track can be adapted to more models of accessories, thereby adapting to more animals with different limb distances. (3) The buckle of the main body connecting accessories is detachable, which is more convenient and more adaptable. (4) Push-pull force sensor can (2) measure the retractable guide rail and ( Figure 2 ) The overall pulling force of the 4 accessories is recorded and cleared by the software. When grabbing an animal, the pulling force can be quickly read and the weight of the animal can be calculated by the software. Description of the drawings:

[0005] Figure 1 The device body, with the front view on the left and the bottom view on the right. The bottom has 4 sets (3) of buckles for connecting the main body to accessories. The device body provides power, circuit control and software functions for the accessories. Figure 2 It is a part without a shell. The top is a top view and the bottom is a front view. The part is a mechanical part that can capture small animals. Here, a part is taken as an example. The whole device consists of a device body and four parts. Specific implementation method:

[0007] 1. Grasping process: (11) DC motor is powered, and through (13) gear transmission, (13) gear starts to rotate and drives (16) slider to move to the left, so that (12) tensile wire goes from tight to loose and can be extended.

[0008] ( Figure 2 ) accessory, and at the same time (10) the electromagnet is energized and magnetic, (14) the axially magnetized semi-annular magnet works on (10) the electromagnet to eject it from the accessory, and when the maximum work is reached, (10) the electromagnet is powered off. (10) The two electromagnets slide from the left and right sides of one limb of the animal to the abdomen or chest of the animal, and before meeting, (10) the electromagnet is powered on again, and the two are firmly adsorbed to form a closed loop. (11) The DC motor is fed with reverse current to reverse it, and drives (16) the slider to move to the right, and (12) the tensile wire is tightened. (16) The distance sensor monitors the distance between (12) the distance sensor and the shell in real time, thereby determining the angle between the closed loop and the shell or the horizontal, and controls (11) the DC motor to power off when it is in the best position, at which time the animal is captured. At the same time, (4) the push-pull force sensor starts reading, calculates the weight of the animal and displays that the weighing is completed.

[0009] 2. Release process

[0010] (10) The electromagnet is powered off, the closed wire loop is disconnected, (11) the DC motor is powered on in the reverse direction, driving (16) the slider to move rightward, and (12) the anti-stretch wire is retracted to the waiting position.

Claims

1. Automatic small animal grabber, which connects two wires to form a closed loop to fasten the animal's limbs.

2. Its characteristics are as follows: a. Use sensors to determine whether the loop is fastened to the animal's limbs. b. The line pop-up method is magnetic pop-up or spring pop-up. c. The formation and disconnection of the loop can be controlled electrically.

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