CN215828166U

CN215828166U - Holding type lifting device

Info

Publication number: CN215828166U
Application number: CN202121930788.8U
Authority: CN
Inventors: 高雪松; 葛军伟; 喻瑞宽; 石德勇; 李康伟
Original assignee: Sichuan Aostar Aluminium Co ltd
Current assignee: Sichuan Aostar Aluminium Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-02-15
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a holding type lifting device, relates to the field of lifting, and solves the problems that an object is lifted in a clamping mode at present, the object is in a slipping risk, and a clamping part of the object is easy to damage. The technical scheme adopted by the utility model is as follows: hold formula overhead hoist, including two arm lock, two arm lock shapes are the same, and two arm lock X type are alternately and rotatable coupling, and the lower part of two arm lock forms openable and closed centre gripping mouth, and the upper end of arm lock articulates a pull rod respectively, and the other end of two pull rods articulates mutually, and the distance between two pin joints of a pull rod equals with the distance between two pin joints of another pull rod, and the articulated department of two pull rods still sets up the handling connecting piece. When the object is hoisted, the lower parts of the two clamping arms surround the object, and a clamping opening formed by the two clamping arms automatically keeps a closed state, so that the slipping risk is avoided; two arm lock do not exert pressure to the object, avoid causing the centre gripping damage to the object. The utility model is used for hoisting objects.

Description

Holding type lifting device

Technical Field

The utility model relates to the field of hoisting, in particular to a device which is suitable for surrounding an object by a clamping opening formed by a clamping arm and moving the object by a hoisting mode.

Background

After the electrolytic anode is on the on-line electrolytic tank, due to reasons such as explosive welding quality, single-anode working condition or improper operation, the anode explosive welding is occasionally subjected to desoldering, and at the moment, the detached anode needs to be taken out and replaced by a new anode or a residual anode. At present, a steel wire rope is generally adopted to penetrate from the lower part of an anode steel claw and then hung on a crane hook to be taken out. However, the anode slips into the electrolyte and the wire rope cannot be used, so that the electrolytic cell process cannot be corrected in time.

The patent with publication number CN 206219055U discloses a carbon block clamp, which comprises a clamping arm, a pull rod, a supporting device, a clamping plate, a connecting plate and an automatic hooking device, wherein the clamping plate comprises a clamping panel and two side plates, and the side plates are arranged on two sides of the clamping panel; the side plates are connected with the lower ends of the clamping arms through hinge shafts, arc-shaped openings are formed in the two side plates, and two ends of each arc-shaped opening are closed; the carbon block clamp also comprises an angle adjusting and locking device; in the outer plane of the side plate, two tail ends of the arc-shaped opening form an included angle of 90 degrees with the axis connecting line of the articulated shaft; the clamping panel is provided with a plurality of protrusions, the clamping panel and the protrusions are integrally formed, the protrusions are provided with grooves, the grooves are filled with wear-resistant anti-slip layers, and the thickness of each wear-resistant anti-slip layer is larger than that of each groove. The carbon block clamp is suitable for conveying and hoisting the anode carbon block, on one hand, the carbon block is fixed by clamping the two clamping plates during hoisting, and the carbon block is hoisted completely by static friction force, so that the slipping risk is caused, and the surface of the clamping part of the carbon block is easily damaged; on the other hand, the carbon block clamp can only move through the hoisting device, the moving range is limited, and the flexibility is insufficient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a holding type lifting device which solves the problems that an object is lifted in a clamping mode at present, the object is in a slipping risk, and a clamping part of the object is easy to damage.

The technical scheme adopted by the utility model is as follows: embrace formula overhead hoist, including two arm lock, the shape of two arm lock is the same, two arm lock X type alternately and rotatable coupling, the X type intersection of two arm lock is crooked shape and crooked opposite direction to the lower extreme, the lower part of two arm lock forms openable and closed centre gripping mouth, the upper end of arm lock articulates a pull rod respectively, the other end of two pull rods is articulated mutually, distance between two pin joints of a pull rod equals with distance between two pin joints of another pull rod, the articulated department of two pull rods still sets up the handling connecting piece.

Further, the method comprises the following steps: the hoisting connecting piece is a hoisting plate, a hoisting hole is formed in the hoisting plate, and a steel wire rope is connected in the hoisting hole.

Specifically, the method comprises the following steps: the X-shaped intersection of the two clamping arms is connected through a bolt, the upper ends of the two clamping arms are connected with the pull rods through bolts, the two pull rods are connected through bolts, and the shape enclosed by the four bolts is a rhombus.

Specifically, the method comprises the following steps: the X-shaped cross part to the lower end of the two clamping arms is in a fan ring shape, and the X-shaped cross part to the upper end of the two clamping arms is in a straight shape.

Specifically, the method comprises the following steps: the clamping arms, the pull rod and the lifting connecting piece are all made of steel.

Further, the method comprises the following steps: the holding type lifting device further comprises a movable trolley, the movable trolley comprises a frame, wheels are arranged at the bottom of the frame, a support frame is arranged at the top of the frame, the support frame is provided with two support rods, the outer sides of the two clamping arms are arranged between the two support rods, and the lower ends of the two clamping arms are arranged at the top of the support frame.

Further, the method comprises the following steps: the support frames are divided into two groups, and two support rods are erected between the two groups of support frames.

Further, the method comprises the following steps: the frame is also provided with a hand push rod.

The utility model has the beneficial effects that: when the object is hoisted, the clamping ports formed at the lower parts of the two clamping arms are opened, the object to be hoisted is placed in the opened clamping ports, and the hoisting device is connected with the hoisting connecting piece. Along with the ascending of arm lock and pull rod, the lower part of two arm locks surrounds the object, and the object is in closed centre gripping mouth inside to the centre gripping mouth keeps closed state automatically during whole handling to avoid the slippage risk. Because two arm lock do not exert the extrusion to the object of handling, consequently can not cause the centre gripping damage to the object.

Two arm lock pass through the bolt and link to each other, and the arm lock passes through the bolt with the pull rod and links to each other, passes through bolted connection between the pull rod, simple structure, and it is firm to connect. The holding type lifting device also comprises a movable trolley, so that a structural member mainly consisting of clamping arms and pull rods can be placed and moved conveniently, and objects to be lifted can be placed in the movable trolley firstly and then moved to the lower part of the lifting device for lifting.

Drawings

Fig. 1 is a schematic structural diagram of a holding type hoisting device.

Reference numerals: the device comprises a clamping arm 1, a pull rod 2, a hoisting connecting piece 3, a steel wire rope 4, a frame 5, wheels 6, a support frame 7, a support rod 8 and a hand push rod 9.

Detailed Description

The utility model will be further explained with reference to the drawings.

As shown in fig. 1, the clamp type lifting device of the utility model comprises two clamping arms 1, wherein the two clamping arms 1 have the same shape, the two clamping arms 1 are crossed in an X shape and can be rotatably connected, the two clamping arms 1 can rotate around the X-shaped cross point, for example, the two clamping arms 1 are connected through a bolt, and the bolt is preferably a high-strength bolt. The two clamping arms 1 can be freely opened and closed at the X-shaped intersection. The X-intersection is preferably located in the middle of the clamping arm 1, i.e. the X-intersection is preferably located at or near the midpoint of the clamping arm 1. The X-shaped intersection part to the lower end of the two clamping arms 1 is bent and the bending directions are opposite, the lower parts of the two clamping arms 1 form an openable and closable clamping opening, and the clamping opening is used for surrounding an object to enable the object to be located in the clamping opening. The lower portions of the two clamping arms 1 respectively form a central angle of 180 degrees, and the central angle can also be larger than 180 degrees. When the central angle is larger than 180 degrees, the lower parts of the two clamping arms 1 can be partially overlapped to form a wrapped sheet for the lifted object; however, the overlapped part of the clamping arm 1 is not too much, and the opening degree of the clamping opening is not influenced. After the clamping openings are closed, the lower parts of the two clamping arms 1 are annular and can be irregular annular or circular. For example, as shown in fig. 1, the X-shaped intersection of the two clamping arms 1 is fan-shaped from the lower end, and the central angles of the two fan-shaped rings are both 180 °.

The upper ends of the clamping arms 1 are respectively hinged with a pull rod 2, the pull rods 2 can rotate relative to the clamping arms 1, for example, the clamping arms 1 and the pull rods 2 are connected through bolts, and the bolts are preferably high-strength bolts. The other ends of the two tie rods 2 are articulated to one another, for example by means of a screw connection, preferably likewise a high-strength screw. The upper portions of the two clamping arms 1 and the two pull rods 2 form a quadrangle, four corners of the quadrangle correspond to four hinge points respectively, and therefore the four corners can rotate. The distance between two hinge points of one pull rod 2 is equal to the distance between two hinge points of the other pull rod 2 in the two pull rods 1, that is, the corresponding side lengths of the two pull rods 2 are equal in a quadrangle formed by the clamping arms 1 and the pull rods 2. In addition, in the quadrangle formed by the clamping arms 1 and the pull rod 2, the corresponding sides of the two clamping arms 1 are preferably equal, and the quadrangle is preferably a rhombus. The X-shaped intersection part to the upper end of the two clamping arms 1 can be in any shape, and the shape is generally straight.

The hinged part of the two pull rods 2 is also provided with a lifting connecting piece 3. The lifting connecting piece 3 is used for being directly or indirectly connected with a lifting device, and the lifting connecting piece 3 can be a lifting lug, a lifting ring or a lifting hook; or, referring to fig. 1, the hoisting connection member 3 is a hoisting plate, the hoisting plate is hinged to the hinged position of the two pull rods 2, a hoisting hole is formed in the hoisting plate, a steel wire rope 4 is connected in the hoisting hole, the steel wire rope 4 is used for being connected with a hoisting device, for example, the steel wire rope 4 is used for being connected with a crane hook, as shown in fig. 1. In order to ensure the safety of lifting, the clamping arm 1, the pull rod 2 and the lifting connecting piece 3 are preferably made of steel.

When the object is hoisted, the clamping opening formed by the two clamping arms 1 is opened, and the object to be hoisted is placed in the clamping opening. The lifting device is connected with the lifting connecting piece 3, the quadrilateral formed by the clamping arms 1 and the pull rod 2 is elongated and deformed along with the lifting of the lifting connecting piece 3, meanwhile, the clamping openings of the two clamping arms 1 gradually surround the object, and the object is finally positioned in the closed clamping opening. After the object breaks away from ground or supporting plane, the centre gripping mouth keeps closed state automatically, and the risk of slippage in the centre gripping mouth does not exist to the object, and arm lock 1 can not cause the extrusion damage to the object moreover.

In an actual production process, the position where the object needs to be moved may exceed the range of handling. In order to facilitate the removal mainly by the structure of arm lock 1 and pull rod 2 constitution, also be convenient for accomodate the structure mainly by arm lock 1 and pull rod 2 constitution simultaneously, hold formula overhead hoist and still include travelling car, travelling car includes frame 5, and frame 5 optional steel sheet or steelframe. The bottom of the frame 5 is provided with wheels 6, and the wheels 6 are at least three, for example, 4. The top of frame 5 sets up support frame 7, and support frame 7 sets up two spinal branch vaulting poles 8. The space and height of the two support rods 8 are matched with a structural part mainly composed of the clamping arms 1 and the pull rod 2, and the lower ends of the two clamping arms 1 are arranged at the top of the support frame 7, as shown in fig. 1. In order to facilitate the manual pushing of the mobile trolley, a hand push rod 9 is further arranged on the frame 5.

The two support rods 8 can be fixedly arranged on the support frame 7. Or, the two groups of supporting frames 7 are provided, two supporting rods 8 are erected between the two groups of supporting frames 7, and the two supporting rods 8 can be taken out from the supporting frames 7. When the lifting device is used, firstly, the two support rods 8 are taken down from the support frame 7, and an object to be lifted is placed on the moving trolley, so that the support rods 8 are prevented from influencing the placement of the object on the moving trolley; then, two support rods 8 are placed on a support frame 7, a structural member mainly composed of clamping arms 1 and pull rods 2 continuously moves downwards from between the two support rods 8, after the lower ends of the two support rods 8 are contacted with a frame 5 or an object, the two pull rods 2 are automatically opened, clamping openings formed by the two clamping arms 1 are synchronously and automatically opened, and the lower parts of the two clamping arms 1 are manually adjusted to enable the clamping openings to clamp the object; and finally, hoisting by using a hoisting device, gradually closing the two pull rods 2, closing the clamping opening and surrounding the object. The clamping opening automatically maintains a closed state during the lifting of the object.

The holding type lifting device is suitable for assisting in lifting objects. For example, after the electrolytic anode is subjected to explosive welding and desoldering, the detached anode steel claw can be rapidly clamped by the clamping arm 1, the anode is taken out, and the electrolytic bath process is corrected in time. In order to facilitate the storage and prevent the dumping, the structural part mainly composed of the clamping arms 1 and the pull rod 2 is stored between two support rods 8 of the moving trolley, the outer sides of the two clamping arms 1 are arranged between the two support rods 8, and the moving trolley can be quickly transferred to an incident place when needed.

Claims

1. Formula overhead hoist is held to clasp, including two arm lock (1), the shape of two arm lock (1) is the same, and two arm lock (1) X type are alternately and rotatable coupling, its characterized in that: x type crossing to the lower extreme of two arm lock (1) is bending shape and crooked opposite direction, the lower part of two arm lock (1) forms openable and closed centre gripping mouth, the upper end of arm lock (1) articulates a pull rod (2) respectively, the other end of two pull rod (2) is articulated mutually, distance between two pin joints of a pull rod (2) equals with distance between two pin joints of another pull rod (2), the articulated department of two pull rod (2) still sets up handling connecting piece (3).

2. A handling trolley according to claim 1, further comprising: the hoisting connecting piece (3) is a hoisting plate, a hoisting hole is arranged on the hoisting plate, and a steel wire rope (4) is connected in the hoisting hole.

3. A handling trolley according to claim 1, further comprising: the X-shaped intersection of the two clamping arms (1) is connected through a bolt, the upper ends of the two clamping arms (1) are connected with the pull rods (2) through bolts, the two pull rods (2) are also connected through bolts, and the shape enclosed by the four bolts is a diamond shape.

4. A handling trolley according to claim 1, further comprising: the X-shaped cross parts of the two clamping arms (1) are in a fan ring shape from the lower end to the X-shaped cross parts of the two clamping arms (1) are in a straight shape from the upper end to the X-shaped cross parts of the two clamping arms (1).

5. A handling trolley according to claim 1, further comprising: the clamping arm (1), the pull rod (2) and the hoisting connecting piece (3) are all made of steel.

6. A holding trolley according to any one of claims 1 to 5, further comprising: the holding type lifting device further comprises a movable trolley, the movable trolley comprises a frame (5), wheels (6) are arranged at the bottom of the frame (5), a support frame (7) is arranged at the top of the frame (5), the support frame (7) is provided with two support rods (8), the outer sides of the two clamping arms (1) are arranged between the two support rods (8), and the top of the support frame (7) is arranged at the lower ends of the two clamping arms (1).

7. A handling trolley according to claim 6, further comprising: the two groups of supporting frames (7) are provided, and two supporting rods (8) are erected between the two groups of supporting frames (7).

8. A handling trolley according to claim 6, further comprising: a hand push rod (9) is also arranged on the frame (5).