CN213011525U

CN213011525U - Spacing formula quick locking and disengaging gear and hoisting machine construct

Info

Publication number: CN213011525U
Application number: CN202021601762.4U
Authority: CN
Inventors: 邓召旭; 张中元; 徐鹤; 连茂利
Original assignee: Shandong Sun Household Paper Co ltd; Shandong Taiyang Honghe Paper Industry Co ltd; Yanzhou Tianzhang Paper Industry Co ltd; SHANDONG TAIYANGZHIYE CO Ltd
Current assignee: Shandong Sun Household Paper Co ltd; Shandong Taiyang Honghe Paper Industry Co ltd; Yanzhou Tianzhang Paper Industry Co ltd; SHANDONG TAIYANGZHIYE CO Ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-20
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a limiting type quick locking and disengaging device and a hoisting mechanism, belonging to the hoisting technical field, comprising a hoisting frame, a seat body, a lock head, a lock shaft and a limit pin, wherein the seat body is provided with a lock head guide groove, a lock shaft guide groove and a limit pin guide groove; the lock head is provided with a slot, the lock shaft is provided with a plug, and the lock shaft is provided with a limit slot; the lock shaft is provided with a clamping pre-tightening assembly, and the limit pin is provided with a limit assembly; the end part of the lock head is provided with a hanging ring; the hoisting frame comprises two hoisting supports, and U-shaped buckles are arranged on the hoisting supports; the seat body is provided with a hanging ring connected with the U-shaped buckle. The hoisting mechanism is lifted by the tower crane, the plug is clamped with the slot, the lock shaft is locked and limited to the lock head, the limit pin is clamped to the limit groove, and the limit pin is locked and limited to the lock shaft; the limiting pin is pulled outwards, the lock head is tripped and falls downwards, and tripping is completed; the high-altitude operation safety lock has the advantages of being simple in mechanical structure, firm in limiting and locking, high in reliability, capable of avoiding potential safety hazards of high-altitude operation, capable of improving operation efficiency and capable of reducing labor intensity.

Description

Spacing formula quick locking and disengaging gear and hoisting machine construct

Technical Field

The utility model belongs to the technical field of hoist and mount, specifically speaking are spacing formula locking disengaging gear and hoisting machine construct fast.

Background

In the field of hoisting, for example, in some material yards for storing large-scale materials in the open air, the tarpaulin needs to be lapped above the materials to prevent rain, and the materials have large volume and high height, so that the covering area of the tarpaulin is large, and no other equipment or tools are used for assisting in lapping the tarpaulin on site. Need hang the tower crane to the material top with operative employee when taking the tarpaulin, then the manual work pulls the tarpaulin of large tracts of land, heavy weight and takes the lid, often needs many people to cooperate mutually, and the cost time is long, and work efficiency is extremely low, not only wastes time and energy, and operative employee's operation of ascending a height still has huge potential safety hazard.

SUMMERY OF THE UTILITY MODEL

For solving large-scale material now when taking the lid tarpaulin, often need many people to cooperate, the cost time is long, and work efficiency is extremely low, not only wastes time and energy, and the operation workman ascends a height the operation still has the problem of huge potential safety hazard, the utility model provides a quick locking and disengaging device of spacing formula and hoisting machine construct.

The utility model discloses an aspect is realized through following technical scheme.

A limiting type quick locking and disengaging device comprises a base body, a lock head, a lock shaft and a limiting pin, wherein the base body is provided with a lock head guide groove for slidably guiding the lock head, a lock shaft guide groove for slidably guiding the lock shaft and a limiting pin guide groove for slidably guiding the limiting pin, and the lock head guide groove and the limiting pin guide groove are respectively communicated with the lock shaft guide groove; the lock head is provided with a slot, the end part of the lock shaft is provided with a plug matched with the slot, and the lock shaft is provided with a limit slot clamped with the limit pin; the lock shaft is provided with a clamping and pre-tightening assembly which slides in the direction away from the lock head; the limiting component is arranged on the limiting pin and slides towards the direction close to the lock shaft; and a lifting ring is arranged at the outer end part of the lock head.

The utility model is further improved in that the clamping pre-tightening assembly comprises a pre-tightening spring sleeved on the lock shaft, the lock shaft guide groove is in a step hole shape, and the small opening end of the lock shaft guide groove is communicated with the lock head guide groove; the lock shaft on one side, close to the lock head guide groove, of the limiting groove is provided with a ring platform I, and the pre-tightening spring is arranged between the ring platform I and the shoulder of the stepped hole.

The utility model discloses a further improvement still, above-mentioned spacing subassembly is located including the cover spacer pin spring and stopper on the spacer pin, spring mounting groove has been seted up at the middle part of spacer pin guide way, spacer pin spring and stopper setting are inside spring mounting groove, just the spacer pin spring sets up and keeps away from between a side and the stopper of lock shaft guide way at spring mounting groove.

The utility model discloses a further improvement still, above-mentioned stopper passes through the threaded connection installation with the spacer pin.

The utility model discloses a further improvement still, above-mentioned spacing groove is kept away from the epaxial loop platform II that is equipped with of lock of tapered end guide way one side, the big mouth end screw thread of lock axle guide way has connect spacing seat soon, the lock axle runs through spacing seat to through spacing seat sliding guide.

The utility model discloses a further improvement still, above-mentioned spacer pin guide way opening direction is downward, the lower tip of spacer pin is connected with the rope of taking off fast.

The utility model is further improved in that the opening direction of the guide groove of the limit pin is upward, the outer end part of the limit pin is rotatably connected with a guide rod, the middle part of the guide rod is rotatably connected with a support rod, and one end of the support rod, which is far away from the guide rod, is rotatably connected with the seat body; one end of the guide rod, which is far away from the limiting pin, is connected with a quick release rope.

The utility model discloses a further improvement still, above-mentioned slot cross-section is triangle-shaped, the plug be with the triangular prism shape that the slot matches.

The utility model discloses another aspect is realized through following technical scheme.

A hoisting mechanism comprises a hoisting frame with a truss structure and a limiting type quick locking and disengaging device, wherein the hoisting frame comprises two symmetrically arranged hoisting supports, the inner sides of the hoisting supports are provided with connecting plates, and the outer sides of the hoisting supports are provided with cross beams; the connecting plates of the two hoisting supports are fixedly connected through fastening bolts, hoisting holes are formed in the connecting plates, and U-shaped buckles are arranged on the cross beam; and the upper part of the seat body of the limiting type quick locking and disengaging device is fixedly connected with a hanging ring connected with the U-shaped buckle.

The utility model discloses a further improvement still, above-mentioned link is on same vertical line with the tapered end.

According to the technical scheme provided by the utility model, the beneficial effects are that: 1. the lock shaft is locked and limited to the lock head through the clamping of the plug and the slot, and the limit pin is locked and limited to the lock shaft through the clamping of the end part of the limit pin to the limit slot on the lock shaft; the limiting pin is subjected to outward pulling force, so that the limiting pin overcomes the pushing force of the limiting component to slide outwards, the end part of the limiting pin is separated from the limiting groove, the lock shaft is clamped under the outward pushing force of the pre-tightening component, the plug is separated from the slot, and the lock head falls downwards; the high-altitude anti-falling device has the advantages that the high-altitude anti-falling device is simple in structure, convenient to use, reliable in limiting locking and safe in use, can realize locking and disengaging functions conveniently and conveniently, can be applied to occasions such as tarpaulin building, feeding and high-altitude falling tests well, can avoid potential safety hazards of high-altitude operation of operating personnel, greatly improves operation efficiency and reduces labor intensity. 2. Through the contact of pretension spring and loop platform I, realize having outside thrust to the lock axle, guarantee when spacer pin and spacing groove throw off, the lock axle can outwards be ejecting automatically, realizes tripping smoothly of tapered end. 3. The limiting pin spring is contacted with the limiting block, inward thrust is provided for the limiting pin, the pre-tightening force of the limiting pin and the limiting groove is guaranteed, the probability of accidental disengagement is reduced, and the use safety is guaranteed. 4. The limiting block can be adjusted in the vertical rotation mode of the limiting pin through the spring mounting groove, and then the elasticity of the limiting pin spring, namely the pre-tightening force of the limiting pin and the limiting groove, can be adjusted flexibly, and the flexibility and the reliability of use are guaranteed. 5. An annular limiting groove is formed between the ring platform I and the ring platform II, and the limiting seat is used for limiting the outer limit position of the ring platform II, so that the lock shaft can be prevented from being completely separated, and the use reliability and convenience are guaranteed; each part is convenient to disassemble and assemble, and easy to overhaul and replace. 6. The rope is taken off fast in the downward pulling, can realize deviating from downwards of spacer pin, realizes that the dropout of tapered end drops, and simple structure realizes easily, the simple operation. 7. The rope is taken off through pulling fast downwards, is supported the guide arm by the bracing piece, according to lever principle, realizes upwards deviating from of spacer pin, realizes that the dropout of tapered end drops, and is less to the pulling force requirement of taking off the rope fast, and is more laborsaving. 8. The plug and the slot are stably and firmly clamped, and the plug and the slot can be smoothly separated through the horizontal component force of the gravity of the material to the plug and the elasticity of the spring. 9. Whole hoisting machine constructs accessible tower crane and hoisting hole connection and rises, when taking the lid to the tarpaulin, hanging in proper order of tarpaulin edge is on different spacing formula quick locking disengaging device's rings, plays to suitable position, takes off the rope through the pulling speed downwards, drives the spacer pin and outwards deviates from, realizes droing downwards of tapered end to the completion is taken the lid operation of lid to the tarpaulin, and the operating efficiency is high, and the material resources of using manpower sparingly, and can avoid high altitude construction potential safety hazard. 10. The hanging ring and the hanging ring stress line are overlapped, so that the lock is in a vertical state, and the smoothness of the lock falling off under the vertical gravity and the reliability and safety of the integral use are ensured.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a locking state of a guide groove of a stop pin according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a disengagement state of an embodiment 1 of a guide groove of a stop pin according to an embodiment of the present invention.

Fig. 3 is a schematic view of a locking state of embodiment 2 of a guide groove of a stop pin according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of the disengaging state of the guide groove example 2 of the limit pin according to the embodiment of the present invention.

Fig. 5 is a schematic view of a hoisting frame structure according to an embodiment of the present invention.

Fig. 6 is a schematic view of a top view structure of a hoisting frame according to an embodiment of the present invention.

In the drawings: 1. the base body, 101, tapered end guide way, 102, lock axle guide way, 103, spring mounting groove, 104, spacer pin guide way, 2, tapered end, 201, slot, 202, rings, 3, lock axle, 301, plug, 302, loop platform I, 303, spacing groove, 304, loop platform II, 4, pretension spring, 5, spacer pin, 501, stopper, 6, spacer pin spring, 7, bracing piece, 8, guide arm, 9, spacing seat, 10, fast rope-disengaging, 11, link, 12, hoisting support, 13, connecting plate, 14, crossbeam.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

Referring to fig. 1-6, the utility model discloses a spacing type quick locking and disengaging device and hoisting mechanism.

Referring to fig. 1-4, a limiting type quick locking and disengaging device comprises a base body 1, a lock head 2, a lock shaft 3 and a limiting pin 5, wherein the base body 1 is provided with a lock head guide groove 101 for slidably guiding the lock head 2, a lock shaft guide groove 102 for slidably guiding the lock shaft 3 and a limiting pin guide groove 104 for slidably guiding the limiting pin 5, and the lock head guide groove 101 and the limiting pin guide groove 104 are respectively communicated with the lock shaft guide groove 102; the lock head guide groove 101 and the limit pin guide groove 104 are arranged in a vertical direction, the opening direction of the lock head guide groove 101 is downward, and the lock shaft guide groove 102 is arranged in a horizontal direction; an annular slot 201 is formed in the lock head 2, a plug 301 matched with the slot 201 is arranged at the end part of the lock shaft 3, and a limit groove 303 clamped with the end part of the limit pin 5 is formed in the lock shaft 3; the lock shaft 3 is provided with a clamping and pre-tightening assembly, and the lock shaft 3 has thrust sliding in the direction far away from the lock head 2; the limiting pin 5 is provided with a limiting component, and the limiting pin 5 has thrust sliding towards the direction close to the lock shaft 3; the outer end part of the lock head 2 is provided with a hanging ring 202.

The article is hung on the hanging ring 202, and is clamped with the slot 201 through the plug 301, so that the lock shaft 3 locks and limits the lock head 2; and the end part of the limit pin 5 is clamped with the limit groove 303 on the lock shaft 3, so that the limit pin 5 locks and limits the lock shaft 3, and the reference is made to fig. 1 and 3. When quick tripping is needed, outward pulling force is applied to the limiting pin 5, the limiting pin 5 overcomes the pushing force of the limiting component and slides towards the direction far away from the lock shaft 3, the end part of the limiting pin 5 is separated from the limiting groove 303, the lock shaft 3 enables the plug 301 to be separated from the slot 201 under the pushing force of the clamping pre-tightening component towards the direction far away from the lock head 2, and the lock head 2 falls downwards under the gravity of suspended objects, which is shown in fig. 2 and 4. The high-altitude anti-falling device has the advantages that the high-altitude anti-falling device is simple in structure, convenient to use, reliable in limiting locking and safe in use, can realize locking and disengaging functions conveniently and conveniently, can be applied to occasions such as tarpaulin building, feeding and high-altitude falling tests well, can avoid potential safety hazards of high-altitude operation of operating personnel, greatly improves operation efficiency and reduces labor intensity.

Furthermore, the clamping pre-tightening assembly comprises a pre-tightening spring 4 sleeved on the lock shaft 3, the lock shaft guide groove 102 is in a stepped hole shape, and the small opening end of the lock shaft guide groove 102 is communicated with the lock head guide groove 101; the lock shaft 3 of the limiting groove 303 close to one side of the lock head guide groove 101 is provided with a ring platform I302, and the pre-tightening spring 4 is arranged between the ring platform I302 and a shoulder of the stepped hole. Through the contact of pretension spring 4 and loop platform I302, realize having outside thrust to lock shaft 3, guarantee when spacer pin 5 and spacing groove 303 throw off, lock shaft 3 can outwards be ejecting automatically, realizes tripping smoothly of tapered end 2, simple structure, and it is easy to realize.

Further, the limiting assembly comprises a limiting pin spring 6 sleeved on the limiting pin 5 and a limiting block 501 mounted on the limiting pin 5, a spring mounting groove 103 is formed in the middle of the limiting pin guide groove 104, the spring mounting groove 103 horizontally and longitudinally penetrates through the seat body 1, and the cross section of the spring mounting groove is larger than the width of the limiting pin guide groove 104; the limiting pin spring 6 and the limiting block 501 are arranged inside the spring mounting groove 103, and the limiting pin spring 6 is arranged between one side face, far away from the lock shaft guide groove 102, of the spring mounting groove 103 and the limiting block 501. The limiting pin spring 6 is in contact with the limiting block 501, so that inward thrust is provided for the limiting pin 5, the pre-tightening force for clamping the limiting pin 5 with the limiting groove 303 is ensured, the probability of accidental disengagement is reduced, the use safety is ensured, the structure is simple, and the realization is easy; and the spring mounting groove 103 is convenient for mounting the spring and the limiting block 501, and the operation is convenient.

Further, the limiting block 501 and the limiting pin 5 are installed in a threaded connection mode. The limiting block 501 can be adjusted in the vertical rotation of the limiting pin 5 through the spring mounting groove 103, so that the elasticity of the limiting pin spring 6, namely the pre-tightening force of the limiting pin 5 and the limiting groove 303 in a clamping manner, can be flexibly adjusted, and the flexibility and the reliability of use are guaranteed.

Furthermore, a loop platform II 304 is arranged on the lock shaft 3 on one side, away from the lock head guide groove 101, of the limiting groove 303, a limiting seat 9 is screwed at the large-opening end of the lock shaft guide groove 102, and the lock shaft 3 penetrates through the limiting seat 9 and is guided in a sliding mode through the limiting seat 9. An annular limiting groove 303 in the middle is formed by the ring platform I302 and the ring platform II 304, and the limiting seat 9 is used for limiting the outer limit position of the ring platform II 304, so that the lock shaft 3 can be prevented from being completely separated, and the use reliability and convenience are ensured; each part is convenient to disassemble and assemble, easy to overhaul and replace and reasonable in structural design.

Further, the structure of the stopper pin guide groove 104 may have the following two embodiments.

Example 1

Referring to fig. 1 and 2, the opening direction of the limit pin guide groove 104 is downward, and the lower end of the limit pin 5 is connected with a quick release rope 10. The rope 10 is taken off fast in the downward pulling, can realize deviating from downwards of spacer pin 5, realizes that the dropout of tapered end 2 drops, and simple structure realizes easily, the simple operation.

Example 2

The opening direction of the limiting pin guide groove 104 is upward, the outer end part of the limiting pin 5 is rotatably connected with a guide rod 8, the middle part of the guide rod 8 is rotatably connected with a support rod 7, and one end of the support rod 7, which is far away from the guide rod 8, is rotatably connected with the seat body 1; one end of the guide rod 8, which is far away from the limiting pin 5, is connected with a quick release rope 10. The guide rod 8 is supported by the support rod 7 by pulling the quick release rope 10 downwards, so that the limit pin 5 is released upwards according to the lever principle, and the lock head 2 is released and falls. According to the lever structure, the requirement on the tension of the quick release rope 10 is smaller and more labor-saving.

Further, the cross section of the slot 201 is triangular, and the plug 301 is triangular prism-shaped and matched with the slot 201. The plug 301 and the slot 201 are stably and firmly clamped, and the plug 301 and the slot 201 can be smoothly separated through the horizontal component force of the material gravity on the plug 301 and the elastic force of the spring. The shape of the triangular section of the slot 201 and the shape of the plug 301 can be designed according to specific working conditions, so that the locking is firm and the disconnection is smooth.

Referring to fig. 5-6, the hoisting mechanism comprises a hoisting frame with a truss structure and a limiting type quick locking and releasing device, wherein the hoisting frame comprises two symmetrically arranged hoisting supports 12, the inner sides of the hoisting supports 12 are provided with connecting plates 13, and the outer sides of the hoisting supports are provided with cross beams 14; the connecting plates 13 of the two hoisting supports 12 are fixedly connected through fastening bolts, hoisting holes are formed in the connecting plates 13, and U-shaped buckles are arranged on the cross beam 14 at intervals; and the upper part of the seat body 1 of the limiting type quick locking and disengaging device is fixedly connected with a hanging ring 11 connected with the U-shaped buckle.

Whole hoisting machine constructs accessible tower crane and hoisting hole connection and rises, when taking the lid to the tarpaulin, hanging in proper order of tarpaulin edge is on different spacing formula quick locking disengaging device's rings 202, plays to suitable position, takes off rope 10 through the downward pulling speed, drives spacer pin 5 and outwards deviates from, realizes droing downwards of tapered end 2 to the completion is taken the lid operation of taking of lid to the tarpaulin, and the operating efficiency is high, and the material resources of using manpower sparingly, and can avoid the high altitude construction potential safety hazard. The structure form of the U-shaped buckle can lead the suspended limiting type quick locking and releasing device to have a certain flexible rotating angle so as to avoid the phenomenon that the device is blocked and can not be unhooked.

Furthermore, the hanging ring 11 and the lock head 2 are on the same vertical line. The hanging ring 11 and the hanging ring 202 are overlapped, so that the lock head 2 is in a vertical state, and the smoothness of the lock head 2 falling off under the vertical gravity and the reliability and safety of the integral use are ensured.

This spacing formula locking trip gear and hoisting machine construct fast, whole pure mechanical structure, simple structure, it is convenient to use, and spacing locking is firm, guarantees reliability and security in the use, can be more convenient realization locking with throw off the function, can be better be applied to the high altitude and build the tarpaulin occasion, and can avoid operation personnel high altitude construction's potential safety hazard, improve work efficiency greatly, reduce intensity of labour. And the protection scope is not only limited to the high altitude and builds the tarpaulin, still can be applied to other quick unhook occasions, like material loading, high altitude drop test etc. all belong to the utility model discloses a protection scope.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings are used for distinguishing relative relationships in positions, if any, and are not necessarily given qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A limiting type quick locking and disengaging device is characterized by comprising a base body (1), a lock head (2), a lock shaft (3) and a limiting pin (5), wherein a lock head guide groove (101) for slidably guiding the lock head (2), a lock shaft guide groove (102) for slidably guiding the lock shaft (3) and a limiting pin guide groove (104) for slidably guiding the limiting pin (5) are formed in the base body (1), and the lock head guide groove (101) and the limiting pin guide groove (104) are respectively communicated with the lock shaft guide groove (102); a slot (201) is formed in the lock head (2), a plug (301) matched with the slot (201) is arranged at the end part of the lock shaft (3), and a limit groove (303) clamped with the limit pin (5) is formed in the lock shaft (3); the lock shaft (3) is provided with a clamping and pre-tightening assembly, and the lock shaft (3) slides in the direction far away from the lock head (2); the limiting pin (5) is provided with a limiting assembly, and the limiting pin (5) slides towards the direction close to the lock shaft (3); and a lifting ring (202) is arranged at the outer end part of the lock head (2).

2. The limiting type quick locking and releasing device according to claim 1, wherein the clamping and pre-tightening assembly comprises a pre-tightening spring (4) sleeved on the lock shaft (3), the lock shaft guide groove (102) is in a stepped hole shape, and a small opening end of the lock shaft guide groove is communicated with the lock head guide groove (101); a ring platform I (302) is arranged on the lock shaft (3) on one side, close to the lock head guide groove (101), of the limiting groove (303), and the pre-tightening spring (4) is arranged between the ring platform I (302) and a shoulder of the stepped hole.

3. The limiting type quick locking and disengaging device according to claim 1, wherein the limiting assembly comprises a limiting pin spring (6) and a limiting block (501) which are sleeved on the limiting pin (5), a spring installation groove (103) is formed in the middle of the limiting pin guide groove (104), the limiting pin spring (6) and the limiting block (501) are arranged inside the spring installation groove (103), and the limiting pin spring (6) is arranged between one side face, far away from the lock shaft guide groove (102), of the spring installation groove (103) and the limiting block (501).

4. The positive-locking quick-release device according to claim 3, characterized in that the limiting block (501) is mounted with the limiting pin (5) by a threaded connection.

5. The limiting type quick locking and disengaging device according to claim 2, wherein a loop table II (304) is arranged on the lock shaft (3) on one side of the limiting groove (303) far away from the lock head guide groove (101), a limiting seat (9) is screwed at the large opening end of the lock shaft guide groove (102), and the lock shaft (3) penetrates through the limiting seat (9) and is guided by the limiting seat (9) in a sliding manner.

6. The quick locking and unlocking device with limited position as claimed in claim 1, wherein the guide slot (104) of the limiting pin is opened downwards, and the lower end of the limiting pin (5) is connected with a quick release rope (10).

7. The quick locking and unlocking device with the limiting function according to claim 1, wherein the opening direction of the limiting pin guide groove (104) is upward, the outer end of the limiting pin (5) is rotatably connected with a guide rod (8), the middle part of the guide rod (8) is rotatably connected with a support rod (7), and one end of the support rod (7) far away from the guide rod (8) is rotatably connected with the seat body (1); one end of the guide rod (8) far away from the limiting pin (5) is connected with a quick release rope (10).

8. Spacing-type quick-lock release according to claim 1, characterized in that the cross-section of the slot (201) is triangular and the plug (301) is in the shape of a triangular prism matching the slot (201).

9. A hoisting mechanism is characterized by comprising a hoisting frame with a truss structure and a limiting type quick locking and releasing device as claimed in any one of claims 1 to 8, wherein the hoisting frame comprises two symmetrically arranged hoisting supports (12), the inner sides of the hoisting supports (12) are provided with connecting plates (13), and the outer sides of the hoisting supports are provided with cross beams (14); connecting plates (13) of the two hoisting supports (12) are fixedly connected through fastening bolts, hoisting holes are formed in the connecting plates (13), and U-shaped buckles are arranged on the cross beams (14); and the upper part of the seat body (1) of the limiting type quick locking and disengaging device is fixedly connected with a hanging ring (11) connected with the U-shaped buckle.

10. Hoisting mechanism according to claim 9, characterized in that the suspension loop (11) is on the same vertical line as the lock head (2).