CN214880039U

CN214880039U - Heavy object carrying device

Info

Publication number: CN214880039U
Application number: CN202120218202.9U
Authority: CN
Inventors: 钟铃; 吴娜; 周宇航
Original assignee: Sichuan Engineering Technical College
Current assignee: Sichuan Engineering Technical College
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-26
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a heavy object carrying device, relating to the technical field of heavy object hoisting and carrying, which comprises a bracket, a lever, a hoisting clamp arranged at one end of the lever and a counterweight sleeve arranged at the other end of the lever; the lever is connected to the top of the bracket and can rotate in the horizontal direction and the vertical direction; the hoisting clamp comprises a rack, a screw rod and clamping jaws for clamping two ends of a heavy object, wherein an elastic adjusting assembly is arranged in the rack, one end of the screw rod is rotatably connected with the lever, the other end of the screw rod extends into the rack and is connected with the clamping jaws at the two ends through the elastic adjusting assembly, and the clamping jaws at the two ends can be adjusted to move oppositely to clamp the heavy object; through implementing this technical scheme, can effectively solve the technical problem that current heavy object transport hoist and mount efficiency is low and the focus is unstable, be convenient for adjust the different heavy objects of centre gripping, improve the stability of heavy object in the handling, avoid the phenomenon that the heavy object appears rocking in the handling simultaneously, strengthen its security performance when improving heavy object handling efficiency.

Description

Heavy object carrying device

Technical Field

The utility model discloses heavy object hoist and mount transport technical field, specifically say, relate to a heavy object handling device.

Background

In a machining working site, objects are often required to be transferred among all working procedures, for some objects with the weight of more than 50 kilograms, the objects are generally required to be manually carried to a flat-bed cart by means of the flat-bed cart, the manual carrying is high in labor intensity, and the object can be damaged frequently.

The Chinese patent with the publication number of CN204038905U discloses a simple hoisting device, which comprises a gantry hanger, wherein the gantry hanger is formed by welding a hanging beam, a left supporting seat and a right supporting seat, a movable hanger capable of sliding transversely along the hanging beam is arranged on the hanging beam, the movable hanger comprises a pulley and a hoisting device, the pulley is positioned above the hanging beam of the gantry hanger and fixed by a front baffle and a rear baffle, and the hoisting device penetrates through the front baffle and the rear baffle and is positioned below the hanging beam of the gantry hanger; the technical scheme is mainly used for lifting the heavy object and moving the heavy object left and right to enable the heavy object to move to a position where people want, and the technical problem of manual carrying of the heavy object is solved. However, the above technical solutions have the following disadvantages: the hoisting device adopts a chain block hook to hang a heavy object, the heavy object is slowly hoisted by a chain block, and the heavy object is moved to a target position; on one hand, when a large heavy object is hoisted and moved, the phenomenon of shaking caused by unstable gravity center can occur, and the heavy object is easy to collide and damage; on the other hand just can't normally lift by crane in heavy object hook position, need dispose extra lifting device in order to realize hanging the chain block hook on the heavy object, heavy object handling efficiency is low and the security performance is poor.

SUMMERY OF THE UTILITY MODEL

To the technical problem, an object of the utility model is to provide a heavy object handling device can effectively solve the low and unstable technical problem of focus of current heavy object transport hoist and mount efficiency, is convenient for adjust the different heavy objects of centre gripping, improves the stability of heavy object in the handling, avoids the phenomenon that the heavy object appears rocking in the handling simultaneously, strengthens its security performance when improving heavy object handling efficiency.

The utility model adopts the technical scheme as follows:

a heavy object carrying device comprises a support, a lever arranged on the support, a lifting clamp arranged at one end of the lever and a balance weight sleeve arranged at the other end of the lever; wherein

The lever is connected to the top of the bracket and can rotate in the horizontal direction and the vertical direction;

the lifting clamp comprises a rack, a screw rod and clamping jaws for clamping two ends of a heavy object, wherein an elastic adjusting assembly is arranged in the rack, one end of the screw rod is rotatably connected with the lever, and the other end of the screw rod extends into the rack and is connected with the clamping jaws at the two ends through the elastic adjusting assembly; when the balance weight sleeve is pressed downwards, the lever rotates clockwise around the top of the support in the vertical direction to drive the screw rod to move upwards, and the elastic adjusting assembly adjusts the claws at the two ends to move oppositely to clamp a heavy object; when the balance weight sleeve is lifted, the lever rotates anticlockwise on the top of the support in the vertical direction to drive the screw rod to move downwards, so that the elastic adjusting assembly resets to adjust the clamping jaws at the two ends to loosen the heavy object.

In a preferred embodiment of the present invention, the elastic adjusting assembly includes a compression spring, a guide pulley and a steel wire rope, the compression spring, the guide pulley and the steel wire rope are respectively connected to the jaws at two ends of the screw, one end of the compression spring is fixedly connected to the top of the inner side of the frame, the other end of the compression spring is fixedly connected to the bottom of the screw, one end of the steel wire rope is connected to the bottom of the screw, and the other end of the steel wire rope is respectively connected to the corresponding jaws by bypassing the guide pulley, so that the jaws at two ends of the heavy object can move in opposite directions to clamp the heavy object during the upward movement of the screw; by adopting the technical scheme, the screw rod can move in the frame, and the screw rod moves upwards in the hoisting process to drive the steel wire rope to pull the clamping jaws to clamp the heavy object, so that the clamping jaws at the two ends of the heavy object can move in opposite directions to clamp the heavy object, the heavy object adapting to different body types can be effectively adjusted to be stable for clamping the two ends of the heavy object, the phenomenon that the heavy object shakes in the carrying process is avoided, and the safety performance of the heavy object is improved while the carrying efficiency of the heavy object is improved.

In a preferred embodiment of the present invention, each of the claws comprises a holding end and a moving end, the lower end of the frame is formed with a guide rail for the moving end to slide in the horizontal direction, the wire rope is fixedly connected to the end of the moving end, so that the pulling wire rope can drive the two claws to move in the horizontal direction along the guide rail in the opposite direction, thereby using the holding ends of the claws to hold the heavy object.

In the utility model discloses an embodiment of a preferred, the elasticity adjusting part still includes extension spring, extension spring's one end with the tip fixed connection who removes the end, extension spring's the other end and frame lateral wall fixed connection, so can restore to the throne fast in order to loosen the centre gripping to the heavy object through extension spring after jack-up transport heavy object, this structural design is ingenious reasonable.

In a preferred embodiment of the present invention, the frame comprises a vertical section and two horizontal sections integrally connected to the vertical section, the two horizontal sections are disposed at the lower end of the vertical section and symmetrically disposed at both sides of the vertical section, one end of the screw rod extending into the frame is disposed in the vertical section and connected to the frame through a compression spring disposed in the vertical section, and the moving ends of the two claws respectively extend into the two horizontal sections and are connected to the frame through a tension spring; this technical scheme can guarantee the structural stability of frame hoist and mount heavy object on the one hand, and on the other hand combines elasticity adjusting part rational arrangement to make the heavy object stable and the focus of centre gripping stable at handling in-process, improves heavy object transport security performance.

In a preferred embodiment of the present invention, the vertical section and the horizontal sections on both sides thereof have inclined transition sections and are connected together by the inclined transition sections, so as to enhance the structural strength of the rack.

In a preferred embodiment of the present invention, the lifting fixture further comprises a tightening nut, the tightening nut is sleeved outside the frame at one end of the screw rod extending into the frame, and the fixing position of the screw rod and the frame is adjusted by tightening the nut to adjust and position the clamping distance between the two clamping jaws; utilize among this technical scheme to screw up nut adjusting screw and the hookup location who stretches into the frame, can adjust compression spring's compressive strain and extension spring's elongation, and then adjust the centre gripping distance between two jack catchs of location, guarantee its stability in handling when realizing stabilizing different size heavy object centre grippings.

In a preferred embodiment of the present invention, the weight sleeve is connected to the lever by a screw, so that the horizontal length of the lever mechanism can be adjusted by rotating the weight sleeve, and the weight can be lifted efficiently and effortlessly by using the lever principle according to the pressing point on the weight sleeve, thereby enhancing the practicability of the device.

In a preferred embodiment of the present invention, a ball hinge is disposed at the top of the bracket and is cooperatively connected with the lever through the ball hinge, so that the lever can rotate around the ball hinge in the horizontal direction and the vertical direction, and the structural design is simple; certainly specifically not be limited to this, can also be through other attach fittings among the prior art in order to realize lever and support normal running fit for the lever can realize the rotation in horizontal direction and vertical direction on the support, all be within the scope of protection of the utility model.

In a preferred embodiment of the present invention, the support is a triangular support, and the bottom of the support is provided with a moving roller, so that the heavy object carrying device can move in any direction, and the worker can push the heavy object lifted by the support to be transported to a designated position, which is convenient and fast.

The utility model discloses following beneficial effect has at least:

1. the carrying device clamps and fixes the heavy object from two ends of the heavy object, and can effectively solve the technical problem that the gravity center of the heavy object lifted by the existing lifting appliance is unstable; and the jack catch at both ends of the heavy object is connected with the screw rod arranged at the end part of the lever through the elastic adjusting component, so that the hoisting clamp can be separated according to the self-adaptive pitch of the heavy object to stably clamp the heavy object, and the carrying efficiency of the heavy object can be effectively improved.

2. The utility model discloses in the whole frame of locating of elasticity adjusting part, dispose a vertical section and two horizontal segments according to the jack catch at screw rod and heavy object both ends, the cover is equipped with compression spring in order to realize having the compression volume at the in-process of lifting by crane on the screw rod, and the cover is equipped with extension spring in order to realize having the elongation at the in-process of lifting by crane on the removal of jack catch, is convenient for adjust the heavy object of the different sizes of centre gripping.

3. The utility model discloses lift by crane anchor clamps and still dispose the nut of screwing up on the screw rod, utilize the hookup location of screwing up nut adjusting screw and stretching into the frame, can adjust compression spring's compressive capacity and extension spring's elongation, and then adjust the centre gripping distance between two jack catchs of location, guarantee its stability in handling when realizing stabilizing different size heavy object centre grippings.

4. The utility model discloses lift by crane anchor clamps and utilize lever principle to lift by crane the heavy object, set up the anchor clamps that lift by crane that are used for handling the heavy object in the one end of lever, and the lever other end disposes the counter weight sleeve rather than threaded connection, so can adjust lever mechanism's horizontal length through rotating counter weight sleeve, according to the last pressure point of heavy object adjustment counter weight sleeve in order to utilize lever principle high efficiency laborsaving to hoist the heavy object, reinforcing heavy object handling device's practicality.

To sum up, the utility model can effectively solve the technical problems of low hoisting efficiency and unstable gravity center of the existing heavy object carrying lifting appliance, the lifting clamp has compact structural design and strong self-adaptive adjusting capability, is convenient for adjusting and clamping different heavy objects, and improves the stability of the heavy objects in the carrying process; meanwhile, the weight can be hoisted efficiently and laborsavingly by utilizing the lever principle, the operation is convenient, the practicability is good, and the hoisting device has good application prospect and popularization and use value in the field of hoisting and transferring the weight.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive efforts.

Fig. 1 shows a schematic structural diagram of a heavy object carrying device in an embodiment of the present invention.

In the figure: 1-a claw; 2-extension spring; 3-a guide pulley; 4-a steel wire rope; 5-a frame; 6-compression spring; 7-screwing the nut; 8-screw rod; 9-a lever; 10-ball hinge; 11-a counterweight sleeve; 12-a scaffold; 13-roller.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Example one

Referring to fig. 1, the present embodiment provides a heavy object carrying device, which includes a bracket 12, a lever 9 disposed on the bracket 12, a lifting fixture disposed at the left end of the lever 9, and a counterweight sleeve 11 disposed at the right end of the lever 9; wherein the lever 9 is connected to the top of the bracket 12 and can realize rotation in the horizontal direction and the vertical direction; in the embodiment, the ball hinge 10 is arranged at the top of the bracket 12 and is in fit connection with the lever 9 through the ball hinge 10, so that the lever 9 can rotate around the ball hinge 10 in the horizontal direction and the vertical direction, and the structural design is simple; of course, the present invention is not limited to the above embodiments, and other connecting accessories in the prior art may be used to implement the rotation fit between the lever 9 and the bracket 12, so that the lever 9 can rotate on the bracket 12 in the horizontal direction and the vertical direction, which is within the protection scope of the present invention.

The hoisting clamp provided by the embodiment comprises a rack 5, a screw rod 8 and clamping jaws 1 for clamping two ends of a heavy object, wherein an elastic adjusting component is arranged in the rack 5, the upper end of the screw rod 8 is rotatably connected with a lever 9 through a hinge, and the lower end of the screw rod 8 extends into the rack 5 and is connected with the clamping jaws 1 at two ends through the elastic adjusting component; when the counterweight sleeve 11 is pressed downwards, the lever 9 rotates clockwise around the ball hinge 10 at the top of the bracket 12 in the vertical direction to drive the screw rod 8 to move upwards, and the elastic adjusting assembly adjusts the claws 1 at the two ends to move oppositely to clamp a heavy object; when the balance weight sleeve 11 is lifted, the lever 9 rotates anticlockwise in the vertical direction around the ball hinge 10 at the top of the support 12 to drive the screw 8 to move downwards, so that the elastic adjusting component is reset to adjust the clamping claws 1 at the two ends to loosen the heavy object, and the self-adaptive adjustment and clamping of the heavy object are realized.

Specifically, in the illustrated embodiment, the elastic adjustment assembly includes a compression spring 6 installed in a frame 5, a guide pulley 3, and steel wire ropes 4 connected to jaws 1 at two ends, respectively, an upper end of the compression spring 6 is fixedly connected to a top of an inner side of the frame 5, a lower end of the compression spring 6 is fixedly connected to a bottom of a screw 8, so that the screw 8 can drive the compression spring 6 to extend and retract during a hoisting process, at least one guide pulley 3 and one steel wire rope 4 are correspondingly provided on each of the two jaws 1, one end of the steel wire rope 4 is connected to the bottom of the screw 8 and can move upwards along with the screw 8, that is, upwards move along a direction a in the drawing, the other end of the steel wire rope 4 bypasses the guide pulley 3 and is connected to the corresponding jaw 1, each steel wire rope 4 and the guide pulley 3 bypassed correspondingly thereof are symmetrically arranged with respect to a center line of the screw 8, so that the screw 8 moves upwards, the claws 1 at the two ends of the heavy object can move oppositely to clamp the heavy object; from this embodiment screw rod can remove in the frame, lifts by crane the in-process rebound in order to drive 4 pulling jack catchs of wire rope and press from both sides tight heavy object for jack catchs 1 at heavy object both ends can move in opposite directions in order to press from both sides tight heavy object, and the heavy object that is adapted to different sizes just can effectively be adjusted and is stable to heavy object both ends centre gripping, avoids the heavy object phenomenon of rocking to appear in handling, strengthens its security performance when improving heavy object handling efficiency.

Furthermore, each jaw 1 comprises a clamping end and a moving end, a guide rail for the moving end of the jaw 1 to slide in the horizontal direction is formed at the lower end of the frame 5, and the steel wire rope 4 is fixedly connected with the end part of the moving end, so that the two jaws 1 can be driven to move oppositely in the horizontal direction along the guide rail by pulling the steel wire rope 4, and thus heavy objects are clamped by the clamping ends of the jaws 1.

In the illustrated embodiment, the elastic adjusting assembly further comprises an extension spring 2, each jaw 1 is correspondingly provided with the extension spring 2, one end of each extension spring 2 is fixedly connected with the end of a moving end, the other end of each extension spring 2 is fixedly connected with the side wall of the rack 5, the moving ends of the two jaws 1 move oppositely under the tension of a steel wire rope 4 in the heavy object hoisting process, the extension springs 2 are in an extension state, and after the heavy object is hoisted and carried, the extension springs 2 can reset rapidly to release the clamping of the heavy object, so that the hoisting clamp can self-adaptively clamp different heavy objects and is stable in clamping; simultaneously can loosen the clamp to the heavy object fast through the restoring force of extension spring 2 after the heavy object is carried, need not to dispose extra lifting device in order to hoist and mount the goods, improve heavy object handling efficiency and uninstallation efficiency.

In order to facilitate installation of the elastic adjusting assembly, the frame 5 provided by the embodiment comprises a vertical section and two horizontal sections integrally connected with the vertical section, the two horizontal sections are arranged at the lower end of the vertical section and are symmetrically arranged at two sides of the vertical section, one end of the screw 8 extending into the frame 5 is positioned in the vertical section and is connected with the frame 5 through a compression spring 6 positioned in the vertical section, the compression spring 6 can be compressed along with the upward movement of the screw 8, the two horizontal sections of the frame 5 form a guide rail for sliding the moving ends of the two clamping jaws 1, the moving ends of the two clamping jaws 1 respectively extend into the two horizontal sections and are connected with the frame 5 through the extension spring 2, and the extension spring 2 can be extended along with the moving ends of the clamping jaws 1 moving in opposite directions along the middle part; can guarantee the structural stability of frame 5 hoist and mount heavy object on the one hand, on the other hand combines elasticity adjusting part rational arrangement to make the heavy object stable and the focus of centre of gravity of centre gripping at handling in-process, improves heavy object transport security performance.

For the structural strength of reinforcing frame 5, the slope changeover portion has between the horizontal segment of vertical section and both sides, and the vertical section of frame 5 and the horizontal segment of symmetry locating the vertical section both sides in this embodiment are connected as an organic wholely by the slope changeover portion, can effectively strengthen the bearing performance of the structural strength of frame 5 in order to strengthen frame 5, and the structural design of frame 5 has better stationarity, avoids the heavy object to appear the focus unstability in handling and leads to producing the phenomenon of rocking.

In addition, the bracket 12 provided by the embodiment is a triangular bracket, so that the bracket 12 has better load bearing performance; and the bottom of the bracket 12 is provided with a movable roller 13, so that the heavy object carrying device can move towards any direction, a worker can push the heavy object lifted by the bracket 12 to be transported to a designated position, and the operation is convenient and fast.

Example two

The second embodiment is substantially the same as the first embodiment, except that: as shown in fig. 1, in the present embodiment, a heavy object carrying device is provided, in order to further improve stability of a heavy object in a carrying process, the hoisting fixture provided in the present embodiment further includes a tightening nut 7, the tightening nut 7 is sleeved on an outer side of the frame 5 where the screw 8 extends into one end of the frame 5, after the heavy object is clamped by the jaws 1 at two ends, the positions of the screw 8 and the frame 5 can be locked in a limiting manner by the tightening nut 7, so that the jaws 1 are prevented from being loosened by touching the goods in the carrying process, and a clamping distance between the two jaws 1 can be effectively adjusted and positioned by adjusting a fixing position of the screw 8 and the frame 5 by tightening the nut 7, so that the jaws 1 can stably clamp the heavy object and prevent looseness in the carrying process; utilize in this embodiment to screw up 7 adjusting screw of nut 8 and the hookup location who stretches into frame 5, can adjust compression spring 6's the compressive capacity and extension spring 2's elongation, and then adjust the centre gripping distance between two jack catchs 1 of location, guarantee its stability in handling when realizing stabilizing different size heavy object centre gripping, combine screw 8 and frame 5's cooperation structure, this locking structure simple in design but ingenious reasonable.

EXAMPLE III

The third embodiment is substantially the same as the second embodiment, except that: as shown in fig. 1, the present embodiment provides a heavy object carrying device, specifically, a counterweight sleeve 11 disposed at the right end of a lever 9 is in threaded connection with the lever 9, so that the horizontal length of a lever mechanism, that is, the length in the direction C in the figure, can be adjusted by rotating the counterweight sleeve 11, and a pressing point H on the counterweight sleeve 11 is adjusted according to a heavy object to lift the heavy object efficiently and effortlessly by using the lever principle, thereby enhancing the practical performance of the device.

The specific implementation manner of this embodiment is:

according to the position of a counterweight sleeve 11 at the right end of a weight adjusting lever 9, when a point H of the counterweight sleeve 11 is pressed downwards, the lever 9 rotates clockwise around a ball hinge 10 at a position B, so that a screw 8 is driven to move upwards along the direction A, a compression spring 6 in a rack 5 is stressed and compressed, a steel wire rope 4 pulls moving ends of clamping jaws 1 in the rack 5 to move towards the middle part in an opposite direction, and clamping ends of two clamping jaws 1 are driven to clamp a weight; meanwhile, the extension spring 2 is elongated along with the movement of the moving ends of the jaws 1, the sleeve is continuously pressed downwards until the heavy object is lifted, the tightening nut 7 can be rotated to limit the position between the locking screw 8 and the rack 5, and the distance between the clamping ends of the two jaws 1 is further locked to ensure the stability of the heavy object in the carrying process; further, after the heavy object is lifted, the counterweight sleeve 11 and the lever 9 can be horizontally rotated around the B-position ball hinge 10, and the heavy object is placed on the flat-bed trolley.

After the heavy object is placed on the flat-bed cart, upwards lift up counter weight sleeve 11 gently at the H point, screw rod 8 moves down along the A direction, and then compression spring 6 and extension spring 2 are all reset, and wire rope 4 is loosened, and both ends jack catch 1 loosens the centre gripping to the heavy object fast under extension spring 2's elastic force effect, realizes high-efficient laborsaving, and realizes that the device carries and uninstalls fast.

In conclusion, the carrying device of the embodiment can effectively solve the technical problems of low lifting efficiency and unstable gravity center of the existing heavy object carrying lifting appliance, and the lifting clamp has compact structural design and strong self-adaptive adjustment capability, is convenient for adjusting and clamping different heavy objects, and improves the stability of the heavy objects in the carrying process; meanwhile, the weight can be hoisted efficiently and laborsavingly by utilizing the lever principle, the operation is convenient, the practicability is good, the hoisting field of hoisting and transferring the weight has good application prospect and popularization and application value, and the hoisting device is suitable for popularization and application.

The present invention is not limited to the above description and drawings, but should be understood as being illustrative and not restrictive, and the technical features can be replaced and modified without creative efforts by those skilled in the art according to the technical content disclosed, all falling within the scope of the present invention.

Claims

1. A heavy object handling device which characterized in that: the carrying device comprises a support, a lever arranged on the support, a lifting clamp arranged at one end of the lever and a balance weight sleeve arranged at the other end of the lever; wherein

2. The weight handling apparatus of claim 1, wherein: elasticity adjusting part is including installing compression spring, the leading pulley in the frame and the wire rope of being connected with both ends jack catch respectively, compression spring's one end and the inboard top fixed connection of frame, compression spring's the other end and screw rod bottom fixed connection, wire rope's one end is connected in the bottom of screw rod, and wire rope's the other end is walked around the leading pulley respectively and is connected with corresponding the jack catch to make the screw rod rebound in-process, the jack catch at heavy object both ends can move in opposite directions in order to press from both sides tight heavy object.

3. The weight handling apparatus of claim 2, wherein: each clamping jaw comprises a clamping end and a moving end, a guide rail for the moving end to slide in the horizontal direction is formed at the lower end of the rack, and the steel wire rope is fixedly connected with the end part of the moving end.

4. The weight handling apparatus of claim 3, wherein: the elasticity adjusting part also comprises an extension spring, one end of the extension spring is fixedly connected with the end part of the moving end, and the other end of the extension spring is fixedly connected with the side wall of the rack.

5. The weight handling apparatus of claim 4, wherein: the frame is including a vertical section and two horizontal segments that are an organic whole with the vertical section and be connected, and two horizontal segments are located the vertical section lower extreme and are located the vertical section both sides and be the symmetry setting, the one end that the screw rod stretches into the frame is located the vertical section and is connected with the frame through the compression spring who is located the vertical section, two the removal end of jack catch stretches into respectively in two horizontal segments and is connected with the frame through extension spring.

6. The weight handling apparatus of claim 5, wherein: the vertical section and the horizontal sections at two sides of the vertical section are provided with inclined transition sections which are connected into a whole.

7. The weight handling apparatus according to any one of claims 1 to 6, wherein: the hoisting fixture further comprises a tightening nut, the tightening nut is sleeved on the outer side of the rack, at one end of the rack, of the screw rod, and the clamping distance between the two clamping jaws is adjusted and positioned by adjusting the fixing positions of the screw rod and the rack through the tightening nut.

8. The weight handling apparatus of claim 1, wherein: the balance weight sleeve is in threaded connection with the lever.

9. The weight handling apparatus of claim 1, wherein: the top of the bracket is provided with a ball hinge and is in fit connection with the lever through the ball hinge, so that the lever can rotate around the ball hinge in the horizontal direction and the vertical direction.

10. The weight handling apparatus of claim 1, wherein: the support is a triangular support, and a movable roller is arranged at the bottom of the support.