CN209906198U

CN209906198U - Hoisting clamping mechanism of crane

Info

Publication number: CN209906198U
Application number: CN201920667178.XU
Authority: CN
Inventors: 刘建辉
Original assignee: Zhongxin Longhua Tianjin Technology Co Ltd
Current assignee: Zhongxin Longhua Tianjin Technology Co Ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-01-07
Anticipated expiration: 2029-05-10

Abstract

The utility model discloses a hoist fixture of hoist, including two fixed plates, fixedly connected with cylinder between two fixed plate upper ends, and the fixed cover is equipped with the sleeve pipe on the cylinder output shaft, and rotates on the sleeve pipe and be connected with two traction rods, and horizontal welding has the round pin axle between two fixed plate lower extreme both sides, and two epaxial rotations of round pin all are connected with splint, and all welding has the linking piece on two splint, and two traction rod free ends are connected with two linking pieces respectively, and horizontal welding has two supports between two fixed plate middle-ends. The utility model is provided with the cylinder and the clamping plate at the upper and lower positions, and the traction rod is connected between the cylinder and the clamping plate, so that the output shaft of the cylinder can stretch and contract to deflect the clamping plate by taking the pin shaft as a fulcrum through the traction rod, thereby clamping heavy objects in an elastic manner; through set up the gag lever post between cylinder and splint, utilize powerful spring's elasticity to carry out spacing fixed through the vaulting pole to splint to promote the stability that splint opened and shut the motion.

Description

Hoisting clamping mechanism of crane

Technical Field

The utility model relates to a crane machinery technical field especially relates to a hoist fixture of hoist.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes. The crane is mainly classified into a tire crane and a bridge crane, wherein a running cab of the tire crane and a crane control cab are combined into a whole and are formed by the evolution of a crawler crane, and a crawler and a walking bracket part of a walking mechanism are changed into a chassis with tires; the bridge crane is a hoisting device which is transversely erected above workshops, warehouses and material yards for hoisting materials, and because the two ends of the bridge crane are located on high cement columns or metal supports and are shaped like a bridge, the bridge crane is a hoisting machine with the widest application range and the largest quantity due to flexible movement.

No matter the tire crane or the bridge crane needs to be in direct contact with a heavy object, and the lifting clamping mechanism is inevitably applied. The traditional clamping mechanism generally applies force in the horizontal direction, and clamps a heavy object by using a clamping plate, but the clamping in the horizontal direction is different from the gravity action direction and the reaction direction of the heavy object, so that the stability of the connection of the lifting clamping mechanism and the heavy object is difficult to ensure; each part of the traditional hoisting clamping mechanism shakes violently in the opening and closing movement process, and is difficult to be in precise contact with a heavy object in a short time, so that stable clamping is ensured, and the traditional hoisting clamping mechanism is urgently required to be improved so as to clamp the heavy object efficiently and stably.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the crane is difficult to stably and effectively clamp and fix the heavy object in the prior art, and providing a hoisting clamping mechanism of the crane.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a hoist fixture of hoist, includes two fixed plates, two fixedly connected with cylinder between the fixed plate upper end, and the fixed cover is equipped with the sleeve pipe on the cylinder output shaft, and rotates on the sleeve pipe and be connected with two traction rods, two horizontal welding has a round pin axle between the fixed plate lower extreme both sides, and two epaxial rotations of round pin all are connected with splint, two all weld on the splint and link up the piece, and two traction rod free ends are connected with two linking pieces respectively, two horizontal welding has two supports between the fixed plate middle-end, and two support welding have a gag lever post, the cover is equipped with powerful spring and sliding sleeve on the gag lever post respectively, rotate on the sliding sleeve and be connected with two branches, and two branch free ends are connected with two splint respectively.

Preferably, two fixed plate fixed welding constitutes hollow structure's cuboid, and two fixed plate tops are connected with the hoist that is connected with the hoist, the cylinder sets up perpendicularly downwards.

Preferably, the two clamping plates are arranged correspondingly to the perpendicular bisector of the cylinder, and the two pin shafts are respectively connected with the middle ends of the two clamping plates.

Preferably, the two connecting blocks are respectively positioned at the lower ends of the two clamping plates, and one ends of the two draw bars, which are far away from the sleeve, are respectively and rotatably connected with the two connecting blocks.

Preferably, two the support sets up from top to bottom, and is located between cylinder and the splint, the gag lever post sets up perpendicularly, and powerful spring and sliding sleeve from bottom to top cover locate on the gag lever post.

Preferably, the fixed cover of powerful spring one end is located the gag lever post bottom, and the sliding sleeve slides and overlaps and locate the gag lever post upper end, and the sliding sleeve welds with the powerful spring free end mutually, two the one end that the sliding sleeve was kept away from to branch is connected with two splint tops rotation respectively.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses top-down sets up cylinder, traction lever and splint in two hollow structure's fixed plate, utilizes the round pin axle to rotate and sets up splint, and swing joint traction lever between cylinder and splint, cylinder output shaft stretch out and draw back to splint through the traction lever to drive splint and open and shut, thereby carry out the elasticity centre gripping to the heavy object.

2. The utility model discloses set up the gag lever post perpendicularly between cylinder and splint, utilize the tension elastic support sliding sleeve of powerful spring on the gag lever post, swing joint's branch is in order to carry out spacing fixed to the splint between sliding sleeve and the splint, and it is spacing to provide elasticity for splint open and shut the motion to ensure the steady motion of splint.

To sum up, the utility model is provided with the cylinder and the clamping plate at the upper and lower positions, and the traction rod is connected between the cylinder and the clamping plate, so that the output shaft of the cylinder can stretch and contract to deflect the clamping plate by taking the pin shaft as a pivot through the traction rod, and the heavy object can be clamped in an elastic manner; through set up the gag lever post between cylinder and splint, utilize powerful spring's elasticity to carry out spacing fixed through the vaulting pole to splint to promote the stability that splint opened and shut the motion.

Drawings

Fig. 1 is a schematic structural view of a hoisting clamping mechanism of a crane according to the present invention;

fig. 2 is an enlarged view of a part a of the structure of the lifting clamping mechanism of the crane according to the present invention;

fig. 3 is an appearance structure diagram of a lifting clamping mechanism of a crane.

In the figure: the device comprises a fixing plate 1, a cylinder 2, a sleeve 3, a traction rod 4, a pin shaft 5, a clamping plate 6, a connecting block 7, a bracket 8, a limiting rod 9, a strong spring 10, a sliding sleeve 11 and a supporting rod 12.

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.

Referring to fig. 1-3, a lifting clamping mechanism of a crane comprises two fixing plates 1, wherein the two fixing plates 1 are welded correspondingly, rectangular openings are formed in two sides and the lower ends of the two fixing plates 1, so that a traction rod 4, a support rod 12 and a clamping plate 6 can deflect, a cylinder 2 is fixedly connected between the upper ends of the two fixing plates 1, the model of the cylinder 2 is MDBT50TF-125, an electromagnetic relay is arranged outside the lifting clamping mechanism and is electrically connected with the cylinder 2, a sleeve 3 is fixedly sleeved on an output shaft of the cylinder 2, two traction rods 4 are rotatably connected on the sleeve 3, a pin shaft 5 is horizontally welded between two sides of the lower ends of the two fixing plates 1, clamping plates 6 are rotatably connected on the two pin shafts 5, the clamping plates 6 are of a curved structure, as shown in fig. 1, connecting blocks 7 are welded on the two clamping plates 6, and the free ends of the two traction rods 4 are respectively, horizontal welding has two supports 8 between 1 middle-end of two fixed plates, and 8 welding of two supports have gag lever post 9, and the cover is equipped with powerful spring 10 and sliding sleeve 11 respectively on the gag lever post 9, rotates on the sliding sleeve 11 and is connected with two branches 12, and two branches 12 correspond the setting with gag lever post 9 perpendicular bisector, and two branches 12 free ends are connected with two splint 6 respectively.

Hollow structure's cuboid is constituteed in the fixed welding of two

fixed plates

1, and 1 tops of two fixed plates are connected with the hoist that is connected with the hoist, and cylinder 2 sets up perpendicularly downwards to make the flexible realization of output shaft of cylinder 2 reciprocate, two splint 6 are about the corresponding setting of cylinder 2 perpendicular bisector, and two round pin axles 5 are connected with two splint 6 middle-ends respectively.

The two joining blocks 7 are respectively positioned at the lower ends of the two clamping plates 6, and one ends of the two traction rods 4 far away from the sleeve 3 are respectively rotatably connected with the two joining blocks 7, so that the lower ends of the clamping plates 6 can deflect rapidly and stably under the traction acting force of the traction rods 4.

Two supports 8 set up from top to bottom, and be located between cylinder 2 and splint 6, gag lever post 9 sets up perpendicularly, and powerful spring 10 and sliding sleeve 11 from bottom to top cover locate gag lever post 9 on, the fixed cover of powerful spring 10 one end is located gag lever post 9 bottom, the gag lever post 9 upper end is located to the sliding sleeve 11 slip cover, and sliding sleeve 11 welds with powerful spring 10 free end, the one end that sliding sleeve 11 was kept away from to two spinal branch poles 12 is rotated with two splint 6 tops respectively and is connected, can provide the supporting role that maintains steadily for splint 6 through branch 12, can make splint 6 carry out quick accurate clamp to the heavy object in steady motion.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

and integrally moving the hoisting clamping mechanism to the position of the heavy object to be hoisted on the crane through the hoisting tool.

The cylinder 2 is started through the electromagnetic relay, an output shaft of the cylinder 2 extends downwards, the two traction rods 4 are driven to move downwards through the sleeve 3, and the two traction rods 4 apply force to the clamping plate 6 connected with the connecting block 7.

The lower ends of the two clamping plates 6 are stressed, so that the clamping plates 6 rotate by taking the pin shafts 5 as fulcrums, the lower ends of the two clamping plates 6 are close to each other, and the clamping plates gradually close to each other to clamp heavy objects.

It should be noted that two splint 6 use round pin axle 5 to rotate as the fulcrum, its top deflects in step and opens to pull two branch 12, two branch 12 atresss, carry out the tractive to sliding sleeve 11 simultaneously, make sliding sleeve 11 use gag lever post 9 to slide downwards as the fulcrum, sliding sleeve 11 descends and extrudes powerful spring 10, simultaneously, receives powerful spring 10's tension to support, provides stable support through sliding sleeve 11 and branch 12 for splint 6.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A hoisting clamping mechanism of a crane comprises two fixing plates (1) and is characterized in that a cylinder (2) is fixedly connected between the upper ends of the two fixing plates (1), a sleeve (3) is fixedly sleeved on an output shaft of the cylinder (2), two traction rods (4) are rotatably connected onto the sleeve (3), a pin shaft (5) is horizontally welded between the two sides of the lower end of each fixing plate (1), a clamping plate (6) is rotatably connected onto each pin shaft (5), linking blocks (7) are welded onto the two clamping plates (6), the free ends of the two traction rods (4) are respectively connected with the two linking blocks (7), two supports (8) are horizontally welded between the middle ends of the two fixing plates (1), limiting rods (9) are welded onto the two supports (8), and strong springs (10) and sliding sleeves (11) are respectively sleeved on the limiting rods (9), the sliding sleeve (11) is rotatably connected with two supporting rods (12), and the free ends of the two supporting rods (12) are respectively connected with the two clamping plates (6).

2. The hoisting clamping mechanism of the crane according to claim 1, wherein the two fixing plates (1) are fixedly welded to form a cuboid with a hollow structure, the top ends of the two fixing plates (1) are connected with a hoisting tool connected with the crane, and the air cylinder (2) is vertically arranged downwards.

3. The hoisting clamping mechanism of the crane as claimed in claim 2, wherein the two clamping plates (6) are arranged correspondingly to the perpendicular bisector of the cylinder (2), and the two pins (5) are respectively connected with the middle ends of the two clamping plates (6).

4. A hoisting clamping mechanism of a crane according to claim 3, characterized in that two said adapter blocks (7) are located at the lower ends of two clamping plates (6), respectively, and the ends of the two drawbar members (4) remote from the casing (3) are rotatably connected with two adapter blocks (7), respectively.

5. The hoisting clamping mechanism of the crane according to claim 1, wherein the two brackets (8) are arranged up and down and located between the cylinder (2) and the clamping plate (6), the limiting rod (9) is vertically arranged, and the strong spring (10) and the sliding sleeve (11) are sleeved on the limiting rod (9) from bottom to top.

6. The hoisting clamping mechanism of crane as claimed in claim 5, wherein one end of said strong spring (10) is fixedly sleeved on the bottom end of the limiting rod (9), the sliding sleeve (11) is slidably sleeved on the upper end of the limiting rod (9), the sliding sleeve (11) is welded to the free end of the strong spring (10), and the ends of the two said supporting rods (12) far away from the sliding sleeve (11) are respectively rotatably connected to the top ends of the two clamping plates (6).