CN213416024U

CN213416024U - Hand chain block frame

Info

Publication number: CN213416024U
Application number: CN202022273835.8U
Authority: CN
Inventors: 谢广辉
Original assignee: Guofeng Construction Group Co Ltd
Current assignee: Guofeng Construction Group Co Ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-11
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a chain block frame, which comprises a cross beam, wherein bases are symmetrically arranged on both sides below the cross beam, sleeves are arranged at the upper ends of the bases, telescopic columns are connected in the sleeves in a sliding manner, the upper ends of the telescopic columns are fixedly connected with the lower ends of the cross beam, a first air cylinder is arranged in the sleeve, a first telescopic rod is arranged at the upper end of the first air cylinder, the output end of the first telescopic rod is fixedly connected with the lower ends of the telescopic columns, hooks are arranged on the cross beam, a chain block device is arranged on the hooks, a transmission component convenient for adjusting the position of the chain block device is arranged in the cross beam, an adjusting component for keeping the device horizontal is arranged in the bases, the height and the position of the chain block device can be adjusted according to needs, the applicability of the device is wider, and simultaneously, each supporting leg extends out different lengths, the device is enabled to reach a horizontal state, and the device is prevented from generating danger due to unstable gravity center when an object is pulled.

Description

Hand chain block frame

Technical Field

The utility model relates to a chain block frame technical field specifically is a chain block frame.

Background

The chain block is a light, small and simple manual hoisting machine with a wider application range, is also called as a chain block or a chain block, has the characteristics of small size, light dead weight, convenient carrying, small hand chain tension, high mechanical efficiency, safety, reliability, simple and convenient maintenance, simple operation, durability and the like, and in the prior art, the height adjustment of the chain block is usually realized by matching the chain block with a bracket, the chain block is hoisted by utilizing the bracket, then a heavy object is hung by utilizing a hoisting chain of the chain block, and the heavy object is hoisted, descended and suspended height of the heavy object is adjusted by utilizing the chain block.

However, the general bracket is inconvenient to adjust the height and has too low adaptability, and meanwhile, the general bracket is inconvenient to adjust the position of the chain block when the chain block is fixed, so that the bracket is inconvenient to use, and objects pulled up by the general chain block are heavy, so that the gravity center of the whole device is unstable and danger is generated easily if the bracket is not stable.

In order to solve the problems, a chain block frame is designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chain block frame to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a chain block frame, includes the crossbeam, the equal symmetry in below both sides of crossbeam is equipped with the base, the upper end of base all is equipped with the sleeve, equal sliding connection has flexible post in the sleeve, the upper end of flexible post and the lower extreme fixed connection of crossbeam, be equipped with cylinder one in the sleeve, the upper end of cylinder one is equipped with telescopic link one, the output of telescopic link one and the lower extreme fixed connection of flexible post, telescopic both sides all are equipped with the dead lever with base upper end fixed connection, be equipped with the couple on the crossbeam, be equipped with the chain block device on the couple, be equipped with the transmission assembly who is convenient for adjust chain block device position in the crossbeam, be equipped with in the base and make the device keep horizontally adjusting part.

As a further aspect of the present invention: the transmission assembly comprises a sliding groove arranged in the beam, a lead screw connected with the beam in a rotating mode is arranged in the sliding groove, a screw block connected with the lead screw in a threaded mode is arranged in the sliding groove, one end of the lead screw is fixedly connected with the output end of a motor arranged in the beam, a sliding rod fixedly connected with the beam is arranged in the sliding groove, the sliding rod is connected with the screw block in a sliding mode, a fixed block is connected to the lower end of the screw block in a rotating mode, and the lower end of the fixed block is fixedly connected with the upper end of a hook.

As a further aspect of the present invention: the adjusting assembly comprises through grooves formed in two sides of the lower end of the base, supporting legs are connected in the through grooves in a sliding mode, a second air cylinder is arranged in the through grooves, a second telescopic rod is arranged at the lower end of the second air cylinder, and the output end of the second telescopic rod is fixedly connected with the upper ends of the supporting legs.

As a further aspect of the present invention: the lower extreme of base is equipped with the universal wheel.

As a further aspect of the present invention: the lower end of the screw block is rotatably connected with a plurality of rollers which are attached to the cross beam.

As a further aspect of the present invention: the lower end of the supporting leg is provided with an anti-slip rubber layer.

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

1. the telescopic rod pushes the telescopic column to slide in the sleeve through the cylinder I, and the telescopic columns on the two sides drive the crossbeam to move up and down to change the height of the device, so that the height of the device can be adjusted as required at any time, and the applicability of the device is wider;

2. the utility model drives the screw rod to rotate through the motor, so that the screw rod pushes the screw block to slide in the chute, and the hook is driven to move through the screw block, thereby changing the position of the chain block device, so that the position of the chain block device can be adjusted as required, and great convenience is brought to use;

3. the utility model has the advantages that the second telescopic rod pushes the second support leg to move through the second cylinder, so that the support leg can slide up and down in the through groove, and thus, when the ground for placing the device is not stable, each support leg can extend out of different lengths, so that the device reaches a horizontal state, and the device is prevented from generating danger due to unstable gravity when pulling an object;

4. when the device needs to be transferred, a user can push the base to move through the universal wheels, so that the device is convenient to transfer, and the flexibility of the device is better.

Drawings

Fig. 1 is a schematic structural view of a chain block frame.

Fig. 2 is a schematic structural diagram of a front section of a chain block frame.

Fig. 3 is a schematic structural diagram of a transmission assembly in a chain block frame.

Fig. 4 is a schematic structural diagram of a side-view section of a chain block frame.

Wherein: 1. the device comprises a cross beam, 2, a hook, 3, a chain block device, 4, a base, 5, a sleeve, 6, a telescopic column, 7, a cylinder I, 8, a telescopic rod I, 9, a fixed rod, 10, a sliding groove, 11, a screw rod, 12, a screw block, 13, a motor, 14, a sliding rod, 15, a roller, 16, a fixed block, 17, a supporting leg, 18, a through groove, 19, a cylinder II, 20, a telescopic rod II, 21 and a universal wheel.

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.

Referring to fig. 1-4, in the embodiment of the present invention, a chain block frame includes a cross beam 1, wherein bases 4 are symmetrically disposed on both sides of a lower portion of the cross beam 1, sleeves 5 are disposed on upper ends of the bases 4, telescopic columns 6 are slidably connected in the sleeves 5, upper ends of the telescopic columns 6 are fixedly connected to a lower end of the cross beam 1, a cylinder 7 is disposed in the sleeve 5, a telescopic rod 8 is disposed on an upper end of the cylinder 7, an output end of the telescopic rod 8 is fixedly connected to a lower end of the telescopic column 6, fixing rods 9 are disposed on both sides of the sleeve 5 and fixedly connected to an upper end of the base 4, a hook 2 is disposed on the cross beam 1, a chain block device 3 is disposed on the hook 2, the telescopic rod 8 pushes the telescopic column 6 to slide in the sleeve 5 through the cylinder 7, so that the telescopic columns 6 on both sides can drive the cross beam 1 to move up and down, the height of the device is changed, so that the height of the device can be adjusted at any time according to needs, and the device has wider applicability;

the chain block device is characterized in that a transmission component convenient for adjusting the position of the chain block device 3 is arranged in the beam 1, the transmission component comprises a chute 10 arranged in the beam 1, a screw rod 11 connected with the beam in a rotating manner is arranged in the chute 10, a screw block 12 connected with the screw rod 11 in a threaded manner is arranged in the chute 10, one end of the screw rod 11 is fixedly connected with the output end of a motor 13 arranged in the beam 1, a slide rod 14 fixedly connected with the beam 1 is arranged in the chute 10, the slide rod 14 is connected with the screw block 12 in a sliding manner, the lower end of the screw block 12 is connected with a fixed block 16 in a rotating manner, the lower end of the fixed block 16 is fixedly connected with the upper end of the hook 2, the screw rod 11 is driven by the motor 13 to rotate, so that the screw block 11 pushes the screw block 12 to slide in the chute 10, and the screw block 12 can drive the hook 2 to move, thereby, the use is greatly convenient;

an adjusting assembly for keeping the device horizontal is arranged in the base 4, the adjusting assembly comprises through grooves 18 arranged on two sides of the lower end of the base 4, supporting legs 17 are connected in the through grooves 18 in a sliding mode, a second air cylinder 19 is arranged in the through grooves 18, a second telescopic rod 20 is arranged at the lower end of the second air cylinder 19, the output end of the second telescopic rod 20 is fixedly connected with the upper ends of the supporting legs 17, the second telescopic rod 20 pushes the supporting legs 17 to move through the second air cylinder 19, and therefore the supporting legs 17 can slide up and down in the through grooves 18, when the ground for placing the device is not stable, each supporting leg 17 can extend out of different lengths, the device is made to be in a horizontal state, and therefore the phenomenon that the gravity center of the device is unstable when pulling;

the universal wheels 21 are arranged at the lower ends of the bases 4, so that when the device needs to be transferred, a user can lift the supporting legs 17 above the universal wheels 21, and then the user can push the bases 4 to move through the universal wheels 21, so that the transfer of the device is facilitated, and the flexibility of the device is better;

the lower end of the screw block 12 is rotatably connected with a plurality of rollers 15 which are attached to the cross beam 1, so that the friction force between the screw block 12 and the cross beam 1 can be reduced, and meanwhile, the rollers 15 can bear a part of force action for the screw block 12, so that the screw block 12 is more stable in moving;

the lower end of the supporting leg 17 is provided with an anti-slip rubber layer, so that the friction force between the supporting leg 17 and the ground can be increased, and the stability of the device is ensured.

The utility model discloses a theory of operation is: the telescopic rod 8 pushes the telescopic column 6 to slide in the sleeve 5 through the cylinder 7, the telescopic columns 6 on the two sides drive the beam 1 to move up and down, the height of the device is changed, the height of the device can be adjusted at any time according to needs, the applicability of the device is wider, meanwhile, the motor 13 drives the screw rod 11 to rotate, the screw rod 11 pushes the screw block 12 to slide in the chute 10, the hook 2 is driven to move through the screw block 12, the position of the chain block device 3 is changed, the position of the chain block device 3 can be adjusted according to needs, great convenience is brought to use, when the ground for placing the device is not stable, the telescopic rod two 20 pushes the supporting legs 17 to move through the cylinder two 19, the supporting legs 17 slide up and down in the through grooves 18, each supporting leg 17 can extend out different lengths, the device is enabled to reach a horizontal state, and the phenomenon that the gravity center of the device is unstable and dangerous when pulling objects is prevented, when the device needs to be transferred, a user can lift the supporting legs 17 to the upper part of the universal wheels 21, and then the user can push the base 4 to move through the universal wheels 21, so that the transfer of the device is facilitated, and the flexibility of the device is better.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a chain block frame, includes crossbeam (1), its characterized in that: bases (4) are symmetrically arranged on both sides below the cross beam (1), sleeves (5) are arranged at the upper ends of the bases (4), the sleeves (5) are connected with telescopic columns (6) in a sliding way, the upper ends of the telescopic columns (6) are fixedly connected with the lower end of the beam (1), a first air cylinder (7) is arranged in the sleeve (5), a first telescopic rod (8) is arranged at the upper end of the first air cylinder (7), the output end of the first telescopic rod (8) is fixedly connected with the lower end of the telescopic column (6), both sides of the sleeve (5) are provided with fixed rods (9) which are fixedly connected with the upper end of the base (4), a hook (2) is arranged on the beam (1), a chain block device (3) is arranged on the hook (2), the chain block device is characterized in that a transmission assembly convenient for adjusting the position of the chain block device (3) is arranged in the cross beam (1), and an adjusting assembly enabling the device to keep horizontal is arranged in the base (4).

2. The chain block rack of claim 1, wherein: the transmission assembly is including establishing spout (10) in crossbeam (1), be equipped with in spout (10) and rotate lead screw (11) of being connected with the crossbeam, be equipped with in spout (10) with lead screw (11) threaded connection's spiral shell piece (12), the one end of lead screw (11) and the output fixed connection who establishes motor (13) in crossbeam (1), be equipped with in spout (10) with crossbeam (1) fixed connection's slide bar (14), slide bar (14) and spiral shell piece (12) sliding connection, the lower extreme of spiral shell piece (12) rotates and is connected with fixed block (16), the lower extreme of fixed block (16) and the upper end fixed connection of couple (2).

3. The chain block rack of claim 1, wherein: the adjusting assembly comprises through grooves (18) formed in two sides of the lower end of the base (4), supporting legs (17) are connected in the through grooves (18) in a sliding mode, two cylinders (19) are arranged in the through grooves (18), two telescopic rods (20) are arranged at the lower ends of the two cylinders (19), and the output ends of the two telescopic rods (20) are fixedly connected with the upper ends of the supporting legs (17).

4. The chain block rack of claim 1, wherein: the lower end of the base (4) is provided with a universal wheel (21).

5. The chain block rack of claim 2, wherein: the lower end of the screw block (12) is rotatably connected with a plurality of rollers (15) which are attached to the cross beam (1).

6. A chain block rack as claimed in claim 3, wherein: the lower end of the supporting leg (17) is provided with an anti-slip rubber layer.