CN110386579B - High-reliability lock device for lifting and throwing - Google Patents
High-reliability lock device for lifting and throwing Download PDFInfo
- Publication number
- CN110386579B CN110386579B CN201910617684.2A CN201910617684A CN110386579B CN 110386579 B CN110386579 B CN 110386579B CN 201910617684 A CN201910617684 A CN 201910617684A CN 110386579 B CN110386579 B CN 110386579B
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- Prior art keywords
- lock
- connecting rod
- rod
- hinged
- locking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
Abstract
The invention provides a high-reliability lock device for lifting and releasing. The lock device comprises a lock shell and a connecting rod mechanism arranged in the lock shell, wherein one end of the connecting rod mechanism is provided with a lock connecting rod for locking, and the other end of the connecting rod mechanism is provided with a ball screw mechanism for driving the connecting rod mechanism and the lock connecting rod to actuate. Compared with the prior art, the lock device provided by the invention can reliably realize the locking/unlocking function of the suspended weight, can still complete the unlocking and locking actions after the actuating power source of the mechanism fails, has novel and compact structure, strong applicability, repeated disassembly and utilization, and higher reliability and safety. The locking device is suitable for being used under various heavy object hanging and locking working conditions.
Description
Technical Field
The invention relates to a high-reliability lock device for lifting and throwing, belongs to the technical field of general engineering, and is suitable for locking/unlocking suspended heavy objects.
Background
The weight hanging device is a limiting, throwing and safety guarantee device commonly used in engineering, and is mainly used for fixing/hanging weights at high altitude or designated positions and throwing the weights when needed. The traditional fixed limiting/throwing device is easy to cause mechanism function failure and serious accidents after the instability of a mechanical structure, the complex use condition of a natural/mechanical environment and the failure (hydraulic or electric) of an actuating power source.
Therefore, there is a need to provide a new lock device with high reliability for lifting and releasing.
Disclosure of Invention
The invention aims to provide a high-reliability lock device for lifting and throwing and a using method thereof, and mainly solves the problem of hanging, fixing and throwing high-altitude heavy objects.
The technical scheme of the invention is as follows: the utility model provides a high reliability lock device for promoting, put in includes the lock shell, still including install in link mechanism in the lock shell, link mechanism one end is equipped with the lock connecting rod that is used for locking, the link mechanism other end is equipped with the ball screw mechanism that is used for driving link mechanism and lock connecting rod to actuate.
The lock device adopts the principle of ball screw and gravity self-locking to realize the locking/unlocking action of the lock connecting rod and the safe locking after locking. Even after the mechanism actuating power source fails, the unlocking and locking actions can still be completed, and the mechanism is suitable for the use of various heavy object suspension locking working conditions.
Preferably, the link mechanism includes:
the mounting base is mounted in the lock shell and is symmetrical along the longitudinal center line of the lock shell;
the rotating connecting rod is a bending structure extending towards the upper end and the lower end of the lock shell, and the bent corner of the rotating connecting rod is hinged with the tail end of the mounting base and the lock shell;
the horizontal connecting rod is horizontally arranged below the mounting base and is symmetrical along the longitudinal central line of the lock shell;
the connecting rod is hinged between the upper end of the rotating connecting rod and the horizontal connecting rod;
one end of the spring pull rod is hinged to the hinged position of the rotating connecting rod and the mounting base;
one end of the lock connecting rod is hinged with the lower end of the rotating connecting rod, and the other end of the lock connecting rod is hinged with the other end of the spring pull rod;
the connecting rod, the rotating connecting rod, the spring pull rod and the lock connecting rod are symmetrical parts relative to the longitudinal center line of the lock shell, and the tail end of the lock connecting rod is arranged close to the longitudinal center line of the lock shell.
Preferably, the spring pull rod comprises an adjusting rod, a limiting rod sleeved outside the tail end of the adjusting rod, and a spring sleeved outside the adjusting rod and connected between the adjusting rod and the limiting rod, the other end of the adjusting rod is hinged to the rotating connecting rod and the hinged joint of the mounting base, and the other end of the limiting rod is hinged to the locking connecting rod.
Preferably, the bending corner of the rotating connecting rod is hinged with the mounting base, the adjusting rod and the lock shell through connecting pin shafts.
Preferably, the tail end of the adjusting rod is of a fork-shaped structure with two ears, the fork-shaped structure penetrates through the mounting base, and the rotating connecting rod is arranged in the fork-shaped structure; key grooves extending along the length direction of the adjusting rod are formed in the two inner sides of the fork-shaped structure, and bosses matched with the key grooves are formed in the two outer sides of the rotating connecting rod.
Preferably, sleeves are arranged at two ends of the spring, one sleeve is sleeved outside the adjusting rod and is in threaded fit, and the other sleeve is sleeved outside the limiting rod and is connected with the limiting rod through a screw.
Preferably, the lock connecting rod comprises a limit lock rod hinged with the rotating connecting rod and a stop lock rod with one end hinged with the limit lock rod and the other end hinged with the spring pull rod, the stop lock rod is of a bent structure, V-shaped structure notches extending into the lock shell are formed at the lower ends of the symmetrically arranged stop lock rods, and the tail end of the stop lock rod is close to the longitudinal central line of the lock shell.
Preferably, the lock further comprises a guide piece disposed adjacent to the notch of the locking bar, the guide piece being connected to the lock case.
Preferably, the ball screw mechanism comprises a driving screw rod, and the driving screw rod penetrates through the upper end of the lock shell and is vertically connected with the horizontal connecting rod. And the central axis of the driving lead screw is flush with the longitudinal central line of the lock shell. The drive screw converts the rotary motion into linear motion.
Preferably, the ball screw mechanism further comprises a follower screw engaged with the driving screw and capable of driving the driving screw to actuate. The follow-up screw rod is vertically meshed with the driving screw rod.
Compared with the related technology, the invention has the beneficial effects that: the locking/unlocking function of the suspended weight can be reliably realized, the unlocking and locking actions can still be completed after the mechanism actuating power source fails, the structure is novel and compact, the applicability is strong, the locking/unlocking mechanism can be repeatedly disassembled and utilized, and the locking/unlocking mechanism has higher reliability and safety. The locking device is suitable for being used under various heavy object hanging and locking working conditions.
Drawings
FIG. 1 is a schematic view of the installation structure of the lock device;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a rear view of FIG. 1;
fig. 4 is a sectional view taken along a-a of fig. 1.
In the attached drawings, 1-lock shell; 2-installing a base; 3-driving lead screw; 4-connecting a pull rod; 5-a horizontal connecting rod; 6-rotating the connecting rod; 7-adjusting the rod; 8-a spring; 9-a limiting rod; 10-limit lock rod; 11-locking bar; 12-a follow-up screw; 13-a guide tab; 14-connecting a pin shaft; 15-key groove; 16-boss.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.
As shown in fig. 1 to 4, the high-reliability lock device for lifting and releasing provided by the present invention includes a lock housing 1, a link mechanism, a ball screw mechanism and a guide piece 13.
The lock case 1 is composed of two parts (a left half lock case and a right half lock case), and the lock case 1 has a longitudinal center line on figure 1.
The connecting rod mechanism is arranged in the lock shell 1 and comprises an installation seat 2, a connecting rod 4, a horizontal connecting rod 5, a rotating connecting rod 6, a hinged rod and a spring pull rod.
The installation base 2 is installed in the lock shell 1 and is symmetrical along the longitudinal center line of the lock shell 1. As shown in fig. 2, two outer end faces of the mounting base 2 are attached to the lock case 1.
The rotation connecting rod 6 is a bent structure extending towards the upper end and the lower end (in the vertical direction as shown in fig. 1) of the lock case 1. The upper end of the rotating connecting rod 6 inclines towards the longitudinal center line of the lock shell 1, and the lower end of the rotating connecting rod 6 is vertically arranged when not acting. The bent corner of the rotating connecting rod 6 is hinged with the tail end of the mounting base 2 and the lock shell 1 through a connecting pin shaft 14, and the corner is also hinged with a spring pull rod.
The upper end of the rotating connecting rod 6 is hinged with the connecting rod 4, and the other end of the connecting rod 4 is hinged with the horizontal connecting rod 5. The horizontal connecting rod 5 is horizontally arranged below the mounting base 2 and is symmetrical along the longitudinal central line of the lock shell 1.
The lower end of the rotating connecting rod 6 is hinged to the locking connecting rod, and the other end of the locking connecting rod is hinged to the tail end, far away from the rotating connecting rod 6, of the spring pull rod.
The connecting rod 4, the rotating connecting rod 6, the spring pull rod and the lock connecting rod are symmetrical relative to the longitudinal center line of the lock shell 1, and the tail end of the lock connecting rod is arranged close to the longitudinal center line of the lock shell 1.
The spring pull rod comprises an adjusting rod 7, a limiting rod 9 sleeved on the outer side of the tail end of the adjusting rod 7, and a spring 8 sleeved on the outer side of the adjusting rod 7 and connected between the adjusting rod 7 and the limiting rod 9, the other end of the adjusting rod 7 is hinged to the hinged joint of the rotating connecting rod 6 and the mounting base 2, and the other end of the limiting rod 9 is hinged to the locking connecting rod.
As shown in fig. 4, the adjusting rod 7 has a fork-shaped structure with two ears, the fork-shaped structure penetrates through the mounting base 2, and the rotating link 6 is arranged in the fork-shaped structure. Key grooves 15 extending along the length direction of the adjusting rod 7 are arranged on two inner sides of the fork-shaped structure, and bosses 16 matched with the key grooves 15 are arranged on two outer sides of the rotating connecting rod 6. The boss 16 cooperates with the keyway 15 for stopping and/or driving.
The both ends of spring 8 all are equipped with the sleeve, one the sleeve with adjust pole 7 screw-thread fit, another the sleeve cover is located outside the gag lever post 9 and through the screw connection to adjust the connecting rod of pole 7 and pack into in the gag lever post 9 mating holes.
The lock connecting rod comprises a limit lock rod 10 hinged with the rotating connecting rod 6 and a locking lock rod 11, one end of the limit lock rod 10 is hinged with the limit lock rod, the other end of the limit lock rod 11 is hinged with the spring pull rod, the locking lock rod 11 is of a bent structure, the lower ends of the symmetrically arranged locking lock rods 11 form a notch of a V-shaped structure extending towards the inside of the lock shell, and the tail end of the locking lock rod 11 is close to the longitudinal central line of the lock shell 1.
The guide piece 13 is disposed adjacent to the notch of the locking stop lever 11, and the guide piece 13 is connected to the lock case 1.
The ball screw mechanism comprises a driving screw rod 3 and a follow-up screw rod 12, wherein the driving screw rod 3 penetrates through the upper end of the lock shell 1 and is vertically connected with the horizontal connecting rod 5. The follow-up screw 12 is meshed with the driving screw 3 and can drive the driving screw 3 to move. The driving screw 3 and the follower screw 12 both transmit motion through balls.
The power source for driving the unlocking and locking actions comprises a main power source and a standby power source. The main power source is connected with the driving screw rod 3 and drives the driving screw rod to rotate to actuate; the standby power source is manual, and the driving screw rod is driven by rotating the follow-up screw rod 12.
The locking principle of the lock device provided by the invention is as follows:
the lock pin (belonging to the part of the product to be locked) is guided by the guide sheet 13 and moves to the notch of the locking stop lever 11, the opening of the locking stop lever 11 which is symmetrically arranged is closed and reset, and the product is locked.
If the locking device is not in the locking position state, the locking pin moves to the uppermost limit end face of the guide piece 13 to be contacted, the driving lead screw 3 is driven to move upwards, so that the upper ends of the connecting rod 4 and the rotating connecting rod 6 are sequentially driven to rotate towards the direction far away from the longitudinal central line, the rotating connecting rod 6 pushes the locking connecting rod to rotate towards the longitudinal central line to be closed, and therefore the product is locked after the two end faces of the left locking rod 11 and the right locking rod 11 are attached.
The unlocking principle of the lock device provided by the invention is as follows:
the driving screw rod 3 is driven to move downwards to the limit position, the connecting rod 4 and the rotating connecting rod 6 are sequentially driven to rotate towards the direction close to the longitudinal center line, the lower end of the rotating connecting rod 6 rotates in the opposite direction to pull the locking connecting rod to rotate towards the direction far away from the longitudinal center line, and the product moves downwards according to self weight and is unlocked.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A high-reliability lock device for lifting and releasing comprises a lock shell (1) and is characterized by further comprising a connecting rod mechanism arranged in the lock shell (1), wherein one end of the connecting rod mechanism is provided with a lock connecting rod for locking, and the other end of the connecting rod mechanism is provided with a ball screw mechanism for driving the connecting rod mechanism and the lock connecting rod to actuate;
the link mechanism includes:
the installation base (2) is installed in the lock shell (1) and is symmetrical along the longitudinal central line of the lock shell (1);
the rotating connecting rod (6) is a bending structure extending towards the upper end and the lower end of the lock shell (1), and the bent corner of the rotating connecting rod is hinged with the tail end of the mounting base (2) and the lock shell (1);
the horizontal connecting rod (5) is horizontally arranged below the mounting base (2) and is symmetrical along the longitudinal central line of the lock shell (1);
the connecting rod (4) is hinged between the upper end of the rotating connecting rod (6) and the horizontal connecting rod (5);
one end of the spring pull rod is hinged to the hinged position of the rotating connecting rod (6) and the mounting base (2);
one end of the lock connecting rod is hinged with the lower end of the rotating connecting rod (6), and the other end of the lock connecting rod is hinged with the other end of the spring pull rod;
the connecting rod (4), the rotating connecting rod (6), the spring pull rod and the lock connecting rod are symmetrical relative to the longitudinal center line of the lock shell (1), and the tail end of the lock connecting rod is arranged close to the longitudinal center line of the lock shell (1);
the ball screw mechanism comprises a driving screw (3), and the driving screw (3) penetrates through the upper end of the lock shell (1) and is vertically connected with the horizontal connecting rod (5); the ball screw mechanism further comprises a follow-up screw (12) which is meshed with the driving screw (3) and can drive the driving screw (3) to move.
2. The high-reliability lock device for lifting and releasing according to claim 1, wherein the spring pull rod comprises an adjusting rod (7), a limiting rod (9) sleeved outside one end of the adjusting rod (7), and a spring (8) sleeved outside the adjusting rod (7) and connected between the adjusting rod (7) and the limiting rod (9), the other end of the adjusting rod (7) is hinged to a hinge point of the rotating connecting rod (6) and the mounting base (2), and the other end of the limiting rod (9) is hinged to the lock connecting rod.
3. A lock device with high reliability for lifting and releasing according to claim 2, characterized in that the bent corner of the turning connecting rod (6) is hinged with the mounting base (2), the adjusting rod (7) and the lock case (1) by means of a connecting pin (14).
4. A highly reliable lock device for lifting and releasing according to claim 2, characterized in that the adjusting lever (7) ends in a fork-shaped structure with two ears, which fork-shaped structure extends through the mounting base (2) and the turning link (6) is arranged in the fork-shaped structure; key grooves (15) extending along the length direction of the adjusting rod (7) are formed in the two inner sides of the fork-shaped structure, and bosses (16) matched with the key grooves (15) are formed in the two outer sides of the rotating connecting rod (6).
5. The high-reliability lock device for lifting and releasing according to claim 2, wherein sleeves are respectively arranged at two ends of the spring (8), one sleeve is sleeved outside the adjusting rod (7) and is in threaded fit, and the other sleeve is sleeved outside the limiting rod (9) and is connected through a screw.
6. A high reliability lock device for lifting and releasing according to claim 1, characterized in that said lock link rod comprises a limit lock rod (10) hinged with said rotation link rod (6) and a stop lock rod (11) with one end hinged with said limit lock rod (10) and the other end hinged with said spring pull rod, said stop lock rod (11) is a bent structure, and the lower ends of the symmetrically arranged stop lock rods (11) form a V-shaped notch extending into the lock case, and the end of said stop lock rod (11) is arranged near the longitudinal center line of the lock case (1).
7. A lock device with high reliability for lifting and releasing according to claim 6, characterized in that it further comprises a guiding piece (13) arranged adjacent to the notch of the arresting locking bar (11), said guiding piece (13) being connected to the lock housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910617684.2A CN110386579B (en) | 2019-07-10 | 2019-07-10 | High-reliability lock device for lifting and throwing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910617684.2A CN110386579B (en) | 2019-07-10 | 2019-07-10 | High-reliability lock device for lifting and throwing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110386579A CN110386579A (en) | 2019-10-29 |
| CN110386579B true CN110386579B (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910617684.2A Active CN110386579B (en) | 2019-07-10 | 2019-07-10 | High-reliability lock device for lifting and throwing |
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| CN (1) | CN110386579B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU973294A1 (en) * | 1977-03-24 | 1982-11-15 | Предприятие П/Я Г-4742 | Electromagnetic plate |
| CN204778495U (en) * | 2015-05-14 | 2015-11-18 | 徐州徐工液压件有限公司 | Regulation formula arm round pin resetting means |
| CN205653019U (en) * | 2016-04-27 | 2016-10-19 | 包莉丽 | Lifting machine's packing box fixture |
| CN105836608B (en) * | 2016-06-15 | 2017-11-03 | 安徽江淮汽车集团股份有限公司 | New type auto vehicle body lifting appliance |
| CN206735654U (en) * | 2017-05-09 | 2017-12-12 | 宁夏路桥工程股份有限公司 | Straddle truck automatic windproof rail clamping device |
| CN108100911A (en) * | 2017-12-14 | 2018-06-01 | 李奇宏 | A kind of petroleum pipeline suitable for different-diameter is laid with installation boom hoisting |
| CN108726362B (en) * | 2018-06-06 | 2019-11-22 | 中国人民解放军海军工程大学 | A kind of UUV capture mechanism for hanging recovery system based on single armed |
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| CN110386579A (en) | 2019-10-29 |
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