Self-detachable locking chain
By using a self-disassembling foot-locking chain design, and through the nesting of the inner and outer sleeves and the lifting plate structure, the pigs can be automatically unloaded. This solves the quality problems caused by the foot-locking chain tightening the pig's hooves and the high cost of manual unloading, thus improving the efficiency of pig processing.
Patent Information
- Application Number
- CN202520696024.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-14
AI Technical Summary
In the current process of hanging pigs for bleeding, the locking chain on the pig's hooves causes marks and bruises, and the manual unloading is costly and inefficient.
Design a self-disassembling leg lock chain. Through the nesting and cooperation of the inner sleeve and the outer sleeve, the pig's own weight is used to achieve automatic unloading. Combined with the lifting plate and the positioning sensor, it automatically disengages from the locking position and unloads the pig from the pig's leg.
It reduces labor costs, improves work efficiency, and ensures that the quality of pig trotters is not compromised, thus achieving automated unloading.
Smart Images

Figure CN223949989U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to piglet processing equipment technical field, especially to self -disassembly formula lock foot chain. BACKGROUND
[0002] In daily life, due to the diet consciousness, habit of consumers and the boom of beauty and health, pig trotter is sold well due to its own health and beauty effect.
[0003] Piglet hanging bloodletting is an important part in modern slaughtering assembly line, in the prior art, pig trotter is usually locked in the position of the lock foot chain, and is unloaded from the lock foot chain before entering the wool machine, so that pig trotter is very easy to have scratch, blood stasis and the like, which seriously affects the quality of pig trotter. UTILITY MODEL CONTENTS
[0004] The application embodiment provides a self-disassembly type lock foot chain, which can automatically unload the piglet when locking the pig leg during piglet hanging bloodletting, so that the labor cost can be further reduced without damaging the quality of pig trotter, and the piglet processing efficiency is improved.
[0005] The application embodiment provides a self-disassembly type lock foot chain, which comprises a hook, a chain, an inner sleeve, an outer sleeve and an automatic unhooking mechanism, wherein the chain is located below the hook and is hooked on the conveying chain rail of the piglet conveying device through the hook, the bottom end of the chain is connected with a hooking piece, the inner sleeve and the outer sleeve are sequentially sleeved on the chain in a gap fit manner, wherein the inner sleeve is provided with a first baffle at the outer circle position of the top end, the outer sleeve is provided with a second baffle at the outer circle position of the top end, the second baffle is located below the first baffle and is elastically connected with the first baffle, wherein the inner sleeve is connected with a support plate at the outer circle position of the bottom end, the outer sleeve is provided with a stop block at the outer circle position of the bottom end, and the stop block is located above the support plate and faces the support plate.
[0006] The automatic unhooking mechanism comprises lifting plates symmetrically arranged on both sides of the chain, and the lifting plates are located below the second baffle and are installed with a position reaching sensor to synchronously drive the second baffle to move upward on both sides when the outer sleeve moves to the position.
[0007] When the stopper abuts against the support plate, the stopper cooperates with the support plate to form a containing space suitable for limiting the hooking member; when the second baffle moves, under the action of the weight of the piglet, the hooking member is released from the limitation of the stopper and automatically drops to release the piglet.
[0008] In a possible implementation, the stopper is provided with a main body part and a limiting part, the main body part is connected to the outer sleeve, the limiting part is connected to the bottom of the main body part and protrudes downward from the outer sleeve, and the inner side of the limiting part is provided with a containing gap, which is the containing space.
[0009] In a possible implementation, the hooking member is a hook or a ring-shaped object, which is used to be sleeved on the limiting part, wherein the opening size of the hook is smaller than the outer diameter of the limiting part, and the ring-shaped object is a circular ring-shaped object or an elliptical object.
[0010] In a possible implementation, the chain is formed by a plurality of round-link chains which are sequentially sleeved.
[0011] In a possible implementation, the first baffle and the second baffle are both circular ring-shaped plates and are respectively connected to the end of the inner sleeve and the end of the outer sleeve.
[0012] In a possible implementation, the outer side wall of the inner sleeve is sleeved with a spring, and the spring is elastically connected between the first baffle and the second baffle.
[0013] In a possible implementation, the automatic unhooking mechanism further comprises two lifting cylinders, the lifting cylinders are installed on the piglet conveying device, the lifting cylinders extend in the vertical direction, and the telescopic rods at the bottom of the two lifting cylinders are respectively connected to the two lifting plates.
[0014] Advantages: Compared with the prior art, the self-disassembly type locking chain provided by the application is provided with a nested inner sleeve and outer sleeve on the chain, and the inner sleeve and the outer sleeve are elastically connected in the axial direction, in the initial state, the hooking member is limited by the stopper on the outer sleeve cooperating with the support plate on the inner sleeve, when the piglet moves to the position, the lifting plate lifts the second baffle upward, so that the stopper is separated from the support plate, and the piglet forces the hooking member to be separated from the stopper under the action of the weight, thereby the automatic unloading of the piglet can be realized, the labor cost can be effectively reduced, and the work efficiency can be improved.
[0015] These and other objects, features and advantages of the present application will become apparent with reference to the following detailed description. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 The structure schematic diagram of the self-disassembly type locking chain of the application is shown.
[0017] Fig. 2 A partial enlarged structural schematic view of the self-disassembling lock foot chain of the present application is shown.
[0018] Fig. 3 A partial structural schematic view of the self-disassembling lock foot chain of the present application in an initial state and a disassembled state is shown. DETAILED DESCRIPTION
[0019] The following description is provided to enable any person skilled in the art to practice the present application. The preferred embodiments described herein are only examples of the present application and alternative embodiments can be devised by those skilled in the art without departing from the spirit and scope of the present application. The disclosure of the present application is described in the following description with reference to the figures in which the following figures set forth below.
[0020] Those skilled in the art will understand that, in the disclosure of the specification, the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms cannot be understood as a limitation on the present application.
[0021] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.
[0022] Reference Figs. 1 to 3The embodiment of the present application provides a self-dismounting type locking chain, which comprises a hook 10, a chain 20, an inner sleeve 30, an outer sleeve 40 and an automatic unhooking mechanism 50, wherein the chain 20 is located below the hook 10 and is hung on a conveying chain rail of a live pig conveying device through the hook 10, and the live pig is conveyed in a directional manner along with the conveying chain, and meanwhile, the bottom end of the chain 20 is connected with a hooking piece 21. In addition, the inner sleeve 30 and the outer sleeve 40 are sequentially sleeved on the chain 20 in a clearance fit manner, that is, the inner sleeve 30 is sleeved on the outer surface of the chain 20, and the outer sleeve 40 is sleeved on the inner sleeve 30, wherein the inner sleeve 30 is provided with a first baffle 31 at the outer ring position of the top end, correspondingly, the outer sleeve 40 is provided with a second baffle 41 at the outer ring position of the top end, and the second baffle 41 is located below the first baffle 31 and is elastically connected with the first baffle 31, wherein the inner sleeve 30 is connected with a supporting plate 32 at the outer ring position of the bottom end, correspondingly, the outer sleeve 40 is provided with a stop block 42 at the outer ring position of the bottom end, and the stop block 42 is located above the supporting plate 32 and faces the supporting plate 32.
[0023] The automatic unhooking mechanism 50 comprises lifting plates 51 which are symmetrically arranged on both sides of the chain 20, wherein the lifting plates 51 are located below the second baffles 41 and are provided with in-place sensors, so as to synchronously drive the second baffles 41 to move upwards on both sides when the outer sleeve 40 moves to a position.
[0024] When the stop block 42 abuts against the supporting plate 32, the stop block 42 cooperates with the supporting plate 32 to form a containing space 401 which is suitable for limiting the hooking piece 21; when the second baffles 41 move upwards, under the action of the weight of the live pig, the hooking piece 21 is automatically released from the limiting of the stop block 42 and is automatically lowered to release the live pig, so that the automatic unloading of the live pig can be realized, the labor cost can be effectively reduced, and the work efficiency can be improved, and meanwhile, since the locking position is at the pig leg, the quality of the pig trotter can be ensured.
[0025] When the locking chain locks the pig leg, the contact part between the supporting plate 32 and the live pig is smooth, and the locking is performed by the weight of the live pig; when the lifting plates 51 drive the second baffles 41 to move upwards, the stop block 42 moves upwards, and under the action of the weight of the live pig, the hooking piece 21 automatically slides down from the supporting plate 32, so that the automatic unloading of the live pig is realized.
[0026] In an embodiment, the stop block 42 is provided with a main body part 421 and a limiting part 422, wherein the main body part 421 is connected with the outer sleeve 40, the limiting part 422 is connected at the bottom of the main body part 421 and protrudes downward from the outer sleeve 40, the inner side of the limiting part 422 is provided with a containing gap, and the containing gap is the containing space 401.
[0027] In a possible implementation, the hooking member 21 is a hook or a ring-shaped member for sleeving on the limiting portion 422, wherein when the hooking member 21 is a hook, the opening size of the hook is smaller than the outer diameter of the limiting portion 422, and wherein when the hooking member 21 is a ring-shaped member, such as a metal ring, the ring-shaped member is a circular ring-shaped member or an elliptical member.
[0028] In an embodiment, the chain 20 is formed by sleeving a plurality of round-link chains in sequence, and has high mechanical strength and good structural stability.
[0029] In an embodiment, the first baffle 31 and the second baffle 41 are both circular ring-shaped plates and are respectively connected to the end portions of the inner sleeve 30 and the outer sleeve 40 in a vertical manner. Such a symmetrical and surrounding structure design can provide a larger elastic contact area during elastic connection and facilitates the installation of the elastic member.
[0030] In an embodiment, the outer side wall of the inner sleeve 30 is sleeved with a spring 33, and the spring 33 is elastically connected between the first baffle 31 and the second baffle 41.
[0031] In an embodiment, the automatic unhooking mechanism 50 further comprises two lifting cylinders 52. The lifting cylinders 52 are installed on the piglet conveying device, wherein the lifting cylinders 52 extend in a vertical direction, and the telescopic rods 521 at the bottom of the two lifting cylinders 52 are respectively connected to the lifting plates 51 on the two sides in a vertical manner, for upwardly pulling the lifting plates 51 when the outer sleeve 40 is moved into position, and then upwardly pulling the second baffle 41 through the lifting plates 51, so as to realize automatic unloading of the piglets.
[0032] It should be noted that the terms "first" and "second" in the present application are only used for description purposes, and do not represent any sequence, and should not be understood as indicating or implying relative importance. These terms can be interpreted as names.
[0033] Those skilled in the art should understand that the embodiments of the utility model shown in the above description and the accompanying drawings are only used as examples and do not limit the utility model. The advantages of the utility model have been completely and effectively realized. The functions and structural principles of the utility model have been shown and described in the embodiments, and the embodiments of the utility model can be deformed or modified in any way without departing from the principles.
Claims
1. A self-disassembly foot chain, characterized in that, The device comprises a hook, a chain, an inner sleeve, an outer sleeve and an automatic unhooking mechanism, wherein the chain is below the hook and is hooked on the conveying chain rail of the pig conveying device through the hook, the bottom end of the chain is connected with a hooking piece, the inner sleeve and the outer sleeve are sequentially sleeved on the chain in a clearance fit manner, wherein a first baffle is arranged at the outer circle position of the top end of the inner sleeve, a second baffle is arranged at the outer circle position of the top end of the outer sleeve, the second baffle is below the first baffle and is elastically connected with the first baffle, wherein a supporting plate is connected with the outer circle position of the bottom end of the inner sleeve, a stop block is arranged at the outer circle position of the bottom end of the outer sleeve, and the stop block is above the supporting plate and faces the supporting plate. The automatic unhooking mechanism comprises lifting plates symmetrically arranged on both sides of the chain, the lifting plates are below the second baffles and are provided with in-place sensors to synchronously drive the second baffles to move upwards on both sides when the outer sleeve moves to the in-place position; When the stop block abuts against the supporting plate, the stop block cooperates with the supporting plate to form a containing space suitable for limiting the hooking piece; when the second baffles move upwards, the hooking piece automatically releases the pig under the action of the weight of the pig and releases the pig by automatically sagging away from the limitation of the stop block.
2. The self-disassembly foot chain as claimed in claim 1, wherein, The stop block is provided with a main body part and a limiting part, the main body part is connected with the outer sleeve, the limiting part is connected with the bottom of the main body part and protrudes downward from the outer sleeve, and the inner side of the limiting part is provided with a containing gap, which is the containing space.
3. The self-disassembly foot chain as claimed in claim 2, wherein, The hooking piece is a hook or a ring-shaped object, which is used to be sleeved on the limiting part, wherein the opening size of the hook is smaller than the outer diameter of the limiting part, and wherein the ring-shaped object is a circular ring-shaped object or an elliptical object.
4. The self-disassembly foot chain as claimed in claim 1, wherein, The chain is sequentially sleeved by a plurality of circular link chains.
5. The self-disassembly foot chain as claimed in claim 1, wherein, The first baffle and the second baffle are both circular ring-shaped plates and are vertically connected with the end portions of the inner sleeve and the outer sleeve, respectively.
6. The self-disassembly foot chain as claimed in claim 5, wherein, A spring is sleeved on the outer side wall of the inner sleeve, and the spring is elastically connected between the first baffle and the second baffle.
7. The self-disassembly foot chain as claimed in claim 1, wherein, The automatic unhooking mechanism further comprises two lifting cylinders, the lifting cylinders are installed on the pig conveying device, the lifting cylinders extend in the vertical direction, and the telescopic rods at the bottom of the two lifting cylinders are vertically connected with the lifting plates on both sides, respectively.