CN211545682U - Pneumatic balance beam lifting appliance for concrete pipe - Google Patents

Abstract

The application discloses pneumatic balance beam hoist for concrete pipe, including the stay tube, the both ends of stay tube all are equipped with the lifting hook, the one end of lifting hook extends to in the stay tube, one side both ends of stay tube all articulate there is the cylinder, the piston rod end of two cylinders articulates respectively in one side of two lifting hooks, the both ends of stay tube all are fixed with the spacing ring, the lifting hook all is fixed with a plurality of fixed blocks with the both ends of stay tube, be equipped with the slide opening on the fixed block, it is a set of with the one end and the three fixed block on same straight line just to be located the stay tube, run through jointly in the three fixed block of same. The utility model discloses can be at both ends centre gripping tubular product, be convenient for get and put, tubular product after the centre gripping removes stably, and the flexible displacement of restriction cylinder and lifting hook, makes the cylinder pole be difficult for being broken by the drawing, reduces the potential safety hazard that pneumatic beam hoist removal lifting hook falls, draws badly when the cylinder, has the guard bar protection, removes the lifting hook and can not drop yet, has solved the potential safety hazard.

Description

Pneumatic balance beam lifting appliance for concrete pipe

Technical Field

The utility model relates to the technical field of machinery, especially, relate to a pneumatic balance beam hoist for concrete pipe.

Background

Concrete pipelines such as prestressed concrete cylinder pipes, prestressed concrete pipes, reinforced concrete drain pipes and the like are hoisted, transported, loaded and the like only by special hoists, and the hoisting, transporting, loading and the like are necessary auxiliary tools in the pipeline industry.

Adopt the pneumatic compensating beam hoist to realize the hoist and mount, two cylinders of pneumatic compensating beam hoist crossbeam both ends design play the effect that changes hoist lifting hook degree of opening, and unilateral flexible is along with the flexible horizontal migration that makes a round trip of cylinder to carry out the pipe operation. Because the lifting hook surpasses 300mm under inertial effect when stretching out under the cylinder effect, the flexible pulling force of cylinder is smaller, cause the unhook of lifting hook easily, frequent stretching out makes the cylinder damage easily with withdrawing simultaneously, the maintenance rate is high, the safety risk is big, the lifting hook after the dropout is heavier, it is very troublesome to install again, waste time and labor, resource-wasting, simultaneously, there is very big potential safety hazard when the lifting hook drops, cause very big threat to operating personnel's life and property safety, when the dress car is accomplished and the pipe is put, probably pull the cylinder overhead traveling crane up with the worker maloperation locomotive, cause the lifting hook to drop, light then harm equipment, heavy then injure personnel, there is serious potential safety hazard, for this reason we have proposed a concrete pipe and used pneumatic balance beam hoist to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The application provides a pneumatic balance beam hoist for concrete pipe has solved the flexible pulling force ratio at hoist and mount in-process cylinder less, causes the unhook of lifting hook easily, and frequent stretching out makes the cylinder damage easily with withdrawing simultaneously, and the maintenance rate is high, and safe risk is big, and the lifting hook after the dropout is heavier, and it is very troublesome to install again, wastes time and energy, the problem of extravagant resource.

The application provides a pneumatic balance beam hoist for concrete pipe, including the stay tube, the both ends of stay tube all are equipped with the lifting hook, the one end of lifting hook extends to in the stay tube, one side both ends of stay tube all articulate there is the cylinder, two the piston rod end of cylinder articulates respectively two one side of lifting hook, the both ends of stay tube all are fixed with the spacing ring, the spacing ring the lifting hook with the both ends of stay tube all are fixed with a plurality of fixed blocks, be equipped with the slide opening on the fixed block, be located the same end of stay tube and on same straight line three the fixed block is a set of, and is three with a set of run through jointly in the fixed block and be equipped with the fender rod, the one end of fender rod is fixed with the retaining ring, the other end of fender rod is equipped with the screw thread, the other end screw thread of fender rod.

Preferably, a sliding block is fixed on the side wall of the circumference in the supporting pipe and abuts against the side wall of the lifting hook.

Preferably, a lifting lug is fixed on one side of the supporting tube.

Preferably, the inner side of the hook and both ends of the support tube are coated with protective layers.

Preferably, the protective layer is rubber.

Preferably, the slide block is nodular cast iron.

According to the technical scheme, the application provides a when pneumatic compensating beam hoist for concrete pipe used, the cylinder is flexible, it is ejecting with the lifting hook, behind the centre gripping tubular product, the cylinder shrink, press from both sides tubular product, the fender rod has certain protection support capacity, every end four group's fixed blocks of stay tube, totally eight groups, be located the both ends and the both sides of stay tube respectively, adjust regulating block to certain distance, the displacement distance is confirmed in the middle of the fender rod, the sliding distance of the most displacement fender rod of lifting hook like this, just so the base that has reduced the cylinder is by the risk of drawing badly, in case the cylinder draws badly, there is the fender rod protection, it can not drop yet to remove the lifting hook, the potential safety hazard has been solved.

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

1. the problem of cylinder damage is solved through the matching of the protective rod, the fixed block, the adjusting block and the check ring, a certain supporting effect is achieved, the telescopic displacement of the cylinder and the lifting hook is limited, the cylinder rod is not easy to break, and the potential safety hazard that the lifting hook is moved by the pneumatic beam lifting appliance and falls is reduced;

2. through the cooperation of stay tube, lifting hook and cylinder, two lifting hook horizontal migration make things convenient for centre gripping tubular product, in the lifting hook income tubular product, conveniently place.

To sum up, the utility model discloses can be at both ends centre gripping tubular product, be convenient for get and put, tubular product after the centre gripping removes stably, and the flexible displacement of restriction cylinder and lifting hook makes the cylinder pole be difficult for being broken by the stretch-break, reduces the potential safety hazard that pneumatic beam hoist removal lifting hook falls, draws badly when the cylinder, has the guard bar protection, removes the lifting hook and can not drop yet, has solved the potential safety hazard.

Drawings

In order to more clearly illustrate the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.

Fig. 1 is a schematic view of an internal structure of a pneumatic balance beam hanger for a concrete pipe according to the present invention;

fig. 2 is a schematic external structural view of a pneumatic balance beam hanger for concrete pipes according to the present invention;

fig. 3 is an enlarged view of a structure at a position a of the pneumatic balance beam hanger for a concrete pipe, which is provided by the utility model;

fig. 4 is the utility model provides a B department's structure enlargements of pneumatic balance beam hoist for concrete pipe.

In the figure: the device comprises a supporting pipe 1, a lifting lug 2, a protective layer 3, a lifting hook 4, a sliding block 5, a cylinder 6, a check ring 7, an adjusting block 8, a fixing block 9, a protective rod 10 and a limiting ring 11.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 1-4, a pneumatic balance beam hanger for concrete pipes comprises a support pipe 1, wherein the support pipe 1 is made of square steel, a fixing block 9 is convenient to mount, the rotation of a hook 4 is prevented, the service life is long, a lifting lug 2 is fixed on one side of the support pipe 1 and is convenient to mount on a crane or an electric hoist, the two ends of the support pipe 1 are respectively provided with a hook 4, one end of each hook 4 extends into the support pipe 1, the pipe is clamped by moving the hook 4, the inner side of each hook 4 and the two ends of the support pipe 1 are respectively coated with a protective layer 3, the protective layers 3 are made of rubber, the hooks 4 and the support pipe 1 are protected, meanwhile, the pipe can also be protected, the two ends of one side of the support pipe 1 are respectively hinged with a cylinder 6, the tail ends of piston rods of the two cylinders 6 are respectively hinged on one side of the two hooks 4, the fixing strength of the two ends of the supporting tube 1 is improved by the limiting ring 11, the influence of deformation of the two ends of the supporting tube 1 on the clamping and the stroke of the cylinder 6 is avoided, the limiting ring 11, the lifting hook 4 and the two ends of the supporting tube 1 are both fixed with a plurality of fixing blocks 9, the fixing blocks 9 are provided with sliding holes for installing and supporting the protection rod 10, the three fixing blocks 9 which are positioned at the same end of the supporting tube 1 and are positioned on the same straight line form a group, one fixing block 9 on the supporting tube 1, one fixing block 9 on the limiting ring 11 and one fixing block 9 on the lifting hook 4 form a group, the protection rod 10 is arranged in the three fixing blocks 9 of the same group in a penetrating way, a certain supporting effect is achieved, the telescopic displacement of the cylinder 6 and the lifting hook 4 is limited, the piston rod of the cylinder 6 is not easy to be broken, one end of the protection rod 10 is fixed, adjust the regulating block 8 to certain distance, displacement distance is confirmed in the middle of the fender guard bar 10, and the flexible displacement of restriction cylinder 6 and lifting hook 4 reduces the potential safety hazard that pneumatic beam hoist removal lifting hook 4 falls, draws badly when cylinder 6, has the protection of fender guard bar 10, and removal lifting hook 4 also can not drop, has solved the potential safety hazard.

The utility model discloses in, all be fixed with slider 5 on the a week lateral wall in the stay tube 1, slider 5 is contradicted on the lateral wall of lifting hook 4, and slider 5 is nodular cast iron, and the wearability is good, makes the steady removal of lifting hook 4, prevents that lifting hook 4 from taking place the activity, and the hoist and mount is stable.

According to the technical scheme, during the use, cylinder 6 is flexible, it is ejecting with lifting hook 4, with centre gripping tubular product after, cylinder 6 shrink, tubular product clamp, fender rod 10 has certain protection support capacity, the every end four group's of stay tube 1 fixed block 9, eight groups totally, be located the both ends and the both sides of stay tube 1 respectively, adjust regulating block 8 to certain distance, the displacement distance is confirmed in the middle of the fender rod 10, lifting hook 4 is the sliding distance of displacement fender rod 10 at most like this, just so reduced the risk that the base of cylinder 6 was pulled out badly, in case cylinder 6 is pulled out badly, there is the protection of fender rod 10 protection, remove lifting hook 4 also can not drop, the potential safety hazard has been solved.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.

Claims (6)

1. The utility model provides a pneumatic balance beam hoist for concrete pipe, includes stay tube (1), its characterized in that: the two ends of the supporting pipe (1) are provided with lifting hooks (4), one ends of the lifting hooks (4) extend into the supporting pipe (1), two cylinders (6) are hinged to two ends of one side of the supporting pipe (1), the tail ends of piston rods of the cylinders (6) are hinged to one side of the two lifting hooks (4) respectively, two ends of the supporting pipe (1) are fixed with limiting rings (11), the lifting hooks (4) and the two ends of the supporting pipe (1) are fixed with a plurality of fixing blocks (9), sliding holes are formed in the fixing blocks (9), the three fixing blocks (9) which are located at the same end of the supporting pipe (1) and on the same straight line are in a group, a protection rod (10) is arranged in the fixing blocks (9) in a group in a penetrating mode, and a check ring (7) is fixed at one end of the protection rod (10), the other end of the protection rod (10) is provided with threads, and the other end of the protection rod (10) is in threaded sleeve connection with the adjusting block (8).

2. The pneumatic balance beam hanger for concrete pipes according to claim 1, wherein a sliding block (5) is fixed on a peripheral side wall in the supporting pipe (1), and the sliding block (5) is abutted against a side wall of the lifting hook (4).

3. The pneumatic balance beam hanger for concrete pipes according to claim 1, wherein a lifting lug (2) is fixed to one side of the support pipe (1).

4. The pneumatic balance beam hanger for concrete pipes according to claim 1, wherein the inner side of the lifting hook (4) and both ends of the support pipe (1) are coated with protective layers (3).

5. A pneumatic balance beam hanger for concrete pipes according to claim 4, wherein said protective layer (3) is rubber.

6. The pneumatic balance beam hanger for concrete pipes according to claim 2, wherein the slide block (5) is nodular cast iron.

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