CN213651618U

CN213651618U - Clamping mechanism of hoisting device

Info

Publication number: CN213651618U
Application number: CN202022018958.7U
Authority: CN
Inventors: 廖其章
Original assignee: Jiangmen Shenglihua Engineering Machinery Co ltd
Current assignee: Jiangmen Shenglihua Engineering Machinery Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-07-09
Anticipated expiration: 2030-09-15

Abstract

The utility model belongs to the technical field of hoisting apparatus, and a hoisting apparatus clamping mechanism is disclosed, which comprises a cross beam, the top fixed mounting of crossbeam has the stand, the top movable mounting of stand has the pulley, the left and right sides difference fixed mounting of stand bottom has left cylinder and right cylinder, the flexible fixed mounting of left side cylinder and right cylinder has the buckle. The utility model discloses a three transposition hole in the main arm adjusts clamping mechanism and can adapt to the object of too big or undersize, if the object is too big can rotate and take out the pin, make preceding main arm and back main arm aim at the transposition hole of top after inserting rotatory locking pin and fix preceding main arm and back main arm, if the object undersize can select the transposition hole of below to carry out foretell operation on the same reason, this function has avoided leading to the unable problem of clamping mechanism because of the too big or undersize of goods form, the work efficiency is greatly improved, the waste of time has been avoided.

Description

Clamping mechanism of hoisting device

Technical Field

The utility model belongs to the technical field of hoisting apparatus, specifically a hoisting apparatus clamping mechanism.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying goods within a certain range, and is also called a crown block, a navigation crane and a crane; the crane mainly comprises a hoisting mechanism, a running mechanism, a luffing mechanism, a slewing mechanism, a metal structure and the like.

Although traditional hoisting apparatus uses extensively among the prior art, nevertheless in the transportation because factors such as stop or turn to take place to rock easily and cause clamping mechanism not hard up, cause the potential safety hazard easily, clamping mechanism opening size is just fixed good from leaving the factory in addition and can not adapt to goods of all kinds of sizes, and it will waste time greatly to change the suitable clamping mechanism of opening size again to cause unnecessary extravagant.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, the utility model provides a hoisting apparatus clamping mechanism has the clamp and hangs the process ten minutes stably, and clamping mechanism adapts to the advantage of all kinds of objects.

In order to achieve the above object, the utility model provides a following technical scheme: a lifting device clamping mechanism is characterized in that a vertical column is fixedly mounted at the top of a cross beam, pulleys are movably mounted at the top of the vertical column, a left air cylinder and a right air cylinder are respectively fixedly mounted at the left side and the right side of the bottom end of the vertical column, buckles are fixedly mounted at the telescopic ends of the left air cylinder and the right air cylinder, a first connecting rod is movably mounted on each buckle through a movable shaft, the first connecting rods are movably clamped in a slotted hole, a front main arm and a rear main arm are respectively movably mounted at the bottom ends of the first connecting rods, a hydraulic rod and a supporting device are respectively mounted at the top parts of the front main arm and the rear main arm, a second connecting rod is movably mounted at the top parts of the two supporting devices, the telescopic ends of the two hydraulic rods are respectively fixedly connected with the second connecting rods, and a third connecting rod is movably mounted, the top ends of the two third connecting rods are movably connected with the two second connecting rods respectively, the bottom ends of the two third connecting rods are fixedly connected with clamping devices, and the middle parts of the front main arm and the rear main arm are rotatably connected.

As a preferred technical scheme of the utility model, the transposition hole has all been seted up at the middle part of preceding main arm and back main arm, the quantity in transposition hole is six, six every three of transposition hole is a set of divide into two sets ofly altogether, and a set of transposition hole that distributes on preceding main arm surface runs through preceding main arm, and a set of transposition hole that distributes on the back main arm does not run through the back main arm.

As a preferred technical scheme of the utility model, clamping device includes the joint rod, joint rod and No. three connecting rod swing joint, the inner fixedly connected with plate of joint rod, the medial surface fixedly connected with anti-skidding granule of plate.

As a preferred technical scheme of the utility model, through pin movable mounting between preceding main arm and the back main arm, and the front end of pin is greater than the diameter of transposition hole on the preceding main arm, and the rear end of pin run through two sets of transposition holes in proper order and with the back on the main arm transposition hole threaded connection.

As a preferred technical scheme of the utility model, both ends around the pin divide into, the rear end of pin is helicitic texture, the front end of pin is smooth structure, and two recesses have been seted up on the front end surface of pin.

As an optimized technical scheme of the utility model, two slotted holes that are not in same vertical plane are seted up at the top of crossbeam, two the connecting rod passes through the inside of connecting axle activity joint at two slotted holes respectively.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an improve clamping mechanism and utilize two sets of cylinders to promote a connecting rod and drive two main arms and operate through the pin and inwards tighten up, drive No. two connecting rods through the hydraulic means on the main arm and make No. three connecting rods tighten up immediately, this a series of operations are pressing from both sides tight goods at the weight that brings in addition object itself, do not worry because of rocking the hidden danger that turns to the scheduling problem and bring in the in-process of transportation, greatly reduced the potential safety hazard, improved the security.

2. The utility model discloses a three transposition hole in the main arm adjusts clamping mechanism and can adapt to the object of too big or undersize, if the object is too big can rotate and take out the pin, make preceding main arm and back main arm aim at the transposition hole of top after inserting rotatory locking pin and fix preceding main arm and back main arm, if the object undersize can select the transposition hole of below to carry out foretell operation on the same reason, this function has avoided leading to the unable problem of clamping mechanism because of the too big or undersize of goods form, the work efficiency is greatly improved, the waste of time has been avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the main arm structure of the present invention;

FIG. 3 is a left side view of the structure of the present invention;

fig. 4 is a top view of the structure of the present invention;

FIG. 5 is a schematic structural view of the clamping device of the present invention;

fig. 6 is a schematic diagram of the pin structure of the present invention.

In the figure: 1. a cross beam; 2. a column; 3. a pulley; 4. a left cylinder; 5. a right cylinder; 6. buckling; 7. a first connecting rod; 8. a front main arm; 9. a support device; 10. a hydraulic lever; 11. a second connecting rod; 12. a third connecting rod; 13. a clamping device; 131. a clamping and connecting rod; 132. a plate block; 133. anti-skid particles; 14. a pin; 15. a transposition hole; 16. a rear main arm; 17. a slot hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in figures 1 to 6, the utility model provides a clamping mechanism of a lifting device, which comprises a beam 1, wherein the top of the beam 1 is fixedly provided with a vertical column 2, the top of the vertical column 2 is movably provided with a pulley 3, the left side and the right side of the bottom end of the vertical column 2 are respectively fixedly provided with a left air cylinder 4 and a right air cylinder 5, the telescopic ends of the left air cylinder 4 and the right air cylinder 5 are fixedly provided with buckles 6, two buckles 6 are respectively and movably provided with a first connecting rod 7 through a movable shaft, two first connecting rods 7 are movably clamped inside a slotted hole 17, the bottom ends of the two first connecting rods 7 are respectively and movably provided with a front main arm 8 and a rear main arm 16, the top parts of the front main arm 8 and the rear main arm 16 are respectively provided with a hydraulic rod 10 and a supporting device 9, the top parts of the two supporting devices 9 are respectively and movably provided with a, the end parts of the front main arm 8 and the rear main arm 16 are respectively and movably provided with a third connecting rod 12, the top ends of the two third connecting rods 12 are respectively and movably connected with two second connecting rods 11, the bottom ends of the two third connecting rods 12 are respectively and fixedly connected with a clamping device 13, and the middle parts of the front main arm 8 and the rear main arm 16 are rotatably connected.

The middle parts of the front main arm 8 and the rear main arm 16 are respectively provided with transposition holes 15, the number of the transposition holes 15 is six, every three of the six transposition holes 15 are divided into two groups, the transposition holes 15 distributed on the surface of the front main arm 8 penetrate through the front main arm 8, the transposition holes 15 distributed on the rear main arm 16 do not penetrate through the rear main arm 16, the transposition holes 15 are arranged because standard bottom openings with different sizes of cargos sometimes cannot be well adapted to the openings, three standard transposition holes 15 are formed, and the fact that the rear main arm 16 does not penetrate through is that a pin 14 needs to be fixed in the transposition holes to be kept in a locking state so that the front main arm 8 and the rear main arm 16 can be tightened or loosened by taking the pin 14 as a supporting point.

Wherein, clamping device 13 includes joint pole 131, joint pole 131 and No. three connecting rod 12 swing joint, the inner fixedly connected with plate 132 of joint pole 131, the medial surface fixedly connected with antiskid granule 133 of plate 132, the appearance of the different angle's of adaptation goods that can be better through joint pole 131, and the plate 132 inboard still is equipped with the tight goods of clamp that antiskid granule 133 can be more stable and prevents its landing, has improved the security performance greatly.

The front main arm 8 and the rear main arm 16 are movably mounted through a pin 14, the front end of the pin 14 is larger than the diameter of a transposition hole 15 on the front main arm 8, the rear end of the pin 14 sequentially penetrates through two groups of transposition holes 15 and is in threaded connection with the transposition hole 15 on the rear main arm 16, the front end of the pin 14 is larger than the diameter of the transposition hole 15 to prevent the front main arm from falling off, and the rear end of the pin 14 is in threaded connection with the transposition hole on the rear main arm 16 to more firmly prevent the front main arm 8 from being separated from the rear main arm 16.

The pin 14 is divided into a front end and a rear end, the rear end of the pin 14 is of a threaded structure, the front end of the pin 14 is of a smooth structure, two grooves are formed in the surface of the front end of the pin 14, the smooth surface can enable the front main arm 8 and the rear main arm 16 to move up and down better, the threaded structure of the rear end needs to be clamped with the internal thread of the rear main arm 16 to enable the rear main arm 16 and the front main arm 8 to move inside the grooves, and the front main arm 8 and the rear main arm 16 are prevented from colliding with each other due to the fact that the two grooves formed in the surface of the rear main arm are formed.

The top of the beam 1 is provided with two slotted holes 17 which are not in the same vertical plane, the two first connecting rods 7 are movably clamped inside the two slotted holes 17 through connecting shafts respectively, the two slotted holes 17 are not in the same plane because the front main arm 8 and the rear main arm 16 operate in a staggered mode, and the size of the slotted holes 17 determines the telescopic degree of the first connecting rods 7, so that the machine cannot be damaged due to excessive telescopic effect.

The utility model discloses a theory of operation and use flow:

when the clamp is used, which transposition hole 15 is used is determined according to the size of a cargo to be moved, for example, the cargo is too large, the clamping mechanism is firstly placed on the ground in a flat mode, then the pin 14 is rotated clockwise until the pin 14 is loosened, then the pin 14 is pulled out, then the front main arm 8 and the rear main arm 16 are downwards crossed and aligned with the transposition holes 15 at the top of the two arms, the pin 14 is inserted and rotated anticlockwise until the clamping mechanism is locked, then the clamping mechanism is lifted through the pulley 3, the front main arm 8 and the rear main arm 16 are moved to fall into the groove on the pin 14 so as not to collide with each other, after the clamping mechanism is moved to the upper part of the cargo, the left air cylinder 4 and the right air cylinder 5 are operated to drive the upper end of the first connecting rod 7 to inwards retract, the bottom port of the clamping mechanism is expanded, after the cargo is aligned, the left air cylinder 4 and the right air cylinder 5 are operated to drive the upper end of, similarly, if the goods are too small, the transposition hole 15 at the bottom end is used according to the operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hoisting device clamping mechanism, includes crossbeam (1), its characterized in that: the top of the cross beam (1) is fixedly provided with a stand column (2), the top of the stand column (2) is movably provided with a pulley (3), the left side and the right side of the bottom end of the stand column (2) are respectively fixedly provided with a left air cylinder (4) and a right air cylinder (5), the telescopic ends of the left air cylinder (4) and the right air cylinder (5) are fixedly provided with buckles (6), the two buckles (6) are respectively and movably provided with a first connecting rod (7) through a movable shaft, the two first connecting rods (7) are movably clamped inside a slotted hole (17), the bottom ends of the first connecting rods (7) are respectively and movably provided with a front main arm (8) and a rear main arm (16), the tops of the front main arm (8) and the rear main arm (16) are respectively provided with a hydraulic rod (10) and a supporting device (9), and the top of the two supporting devices (9) is respectively and, the telescopic ends of the two hydraulic rods (10) are fixedly connected with two second connecting rods (11) respectively, the end parts of the front main arm (8) and the rear main arm (16) are respectively and movably provided with a third connecting rod (12), the top ends of the third connecting rods (12) are respectively and movably connected with the two second connecting rods (11), the bottom ends of the third connecting rods (12) are respectively and fixedly connected with clamping devices (13), and the middle parts of the front main arm (8) and the rear main arm (16) are rotatably connected.

2. The lifting device clamping mechanism of claim 1, wherein: the positioning device is characterized in that the middle parts of the front main arm (8) and the rear main arm (16) are respectively provided with a transposition hole (15), the number of the transposition holes (15) is six, every three of the six transposition holes (15) are divided into two groups, one group of transposition holes (15) distributed on the surface of the front main arm (8) penetrates through the front main arm (8), and one group of transposition holes (15) distributed on the rear main arm (16) does not penetrate through the rear main arm (16).

3. The lifting device clamping mechanism of claim 1, wherein: the clamping device (13) comprises a clamping rod (131), the clamping rod (131) is movably connected with the third connecting rod (12), a plate block (132) is fixedly connected to the inner end of the clamping rod (131), and anti-skid particles (133) are fixedly connected to the inner side face of the plate block (132).

4. The lifting device clamping mechanism of claim 2, wherein: the front main arm (8) and the rear main arm (16) are movably mounted through a pin (14), the front end of the pin (14) is larger than the diameter of the transposition hole (15) in the front main arm (8), and the rear end of the pin (14) sequentially penetrates through the two groups of transposition holes (15) and is in threaded connection with the transposition hole (15) in the rear main arm (16).

5. The lifting device clamping mechanism of claim 4, wherein: the pin (14) is divided into a front end and a rear end, the rear end of the pin (14) is of a threaded structure, the front end of the pin (14) is of a smooth structure, and two grooves are formed in the surface of the front end of the pin (14).

6. The lifting device clamping mechanism of claim 1, wherein: two slotted holes (17) which are not in the same vertical plane are formed in the top of the cross beam (1), and the first connecting rods (7) are movably clamped inside the two slotted holes (17) through connecting shafts respectively.