CN217891354U

CN217891354U - Auxiliary traction device for steel strand pulling

Info

Publication number: CN217891354U
Application number: CN202221706537.6U
Authority: CN
Inventors: 耿天群; 李敬州; 崔玉彬; 卫康; 王淼; 贾琴; 王畅; 程威
Original assignee: No 1 Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Current assignee: No 1 Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-25
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a steel strand pulling auxiliary traction device, which comprises a traction head, wherein a traction rod is fixedly arranged between the lower ends of the traction head, the lower end of the traction rod is fixedly connected with the middle part of the rear end of a conical sleeve, a disc core is spirally connected inside the front end opening of the conical sleeve, and a plurality of steel strands are fixedly arranged inside the disc core through a wedge block; the traction head comprises a U-shaped ring, one end of the U-shaped ring is fixedly connected with a nut, and a fixed shaft is arranged between the nuts; the core of a plate is including the barrel, the inside a plurality of vertically having seted up of barrel is perforated, the barrel side surface is provided with the mounting thread, the utility model provides a steel strand wires easily beat the hank tension inhomogeneous at the bundle in-process of wearing, lead to the steel strand wires atress inhomogeneous and pulled apart, damage the bellows with the steel strand wires at the bundle in-process, lead to cluster thick liquid or bellows book to have had things in a heap stifled pipeline etc. not enough.

Description

Auxiliary traction device for steel strand pulling

Technical Field

The utility model relates to a steel strand wires pull technical field, specifically are a steel strand wires are worn and are restrainted supplementary draw gear.

Background

The steel strand pulling is the first process in the prestress construction. At present, manual stringing is generally adopted, at least 6 persons are needed for 32-meter box girders, and 1.5 pieces of box girders are strung at most every day. The labor intensity of manual bundling is high, a large amount of labor force is needed, and meanwhile, the efficiency is low, and the next procedure is often influenced because the progress cannot be followed.

In chinese patent application No.: in CN201420547704.6, a steel strand pulling device is disclosed, which comprises a winch, wherein one end of a pulling rope is connected to the winch, the other end of the pulling rope is connected to a hook, a connecting block is installed on the hook, a conical fixing hole is formed in the connecting block, two fixing pieces are arranged in the fixing hole, outer walls of the two fixing pieces are matched with the inner wall of the fixing hole, inner walls of the two fixing pieces form a circular through hole, one end of a connecting rope is arranged in each fixing piece, and a wire inlet is formed in the other end of the connecting rope. The fixing holes and the fixing pieces of the connecting blocks are matched, the connecting rope is locked, the steel strand is locked through the matching of the connecting rope and the wire inlet, and the steel strand is controlled to be threaded through the pull rope by the winch. The steel strand pulling device is high in strand pulling efficiency, does not need a large amount of labor, avoids the condition that the strand pulling efficiency is low due to manual operation, and in the actual use process, the steel strand is easy to twist in the strand pulling process, the tension force is uneven, the steel strand is uneven in stress and is pulled off, the end of the steel strand damages a corrugated pipe in the strand pulling process, slurry is mixed, or the corrugated pipe is coiled to form a pile to block a pipeline, and the like.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a steel strand wires are worn to restraint supplementary draw gear has solved the problem that proposes in the above background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an auxiliary traction device for pulling steel strands, which comprises a traction head,

a traction rod is fixedly arranged between the lower ends of the traction heads, the lower end of the traction rod is fixedly connected with the middle part of the rear end of the tapered sleeve, a disc core is spirally connected inside the front end opening of the tapered sleeve, and a plurality of steel strands are fixedly arranged inside the disc core through wedge blocks;

the traction head comprises a U-shaped ring, one end of the U-shaped ring is fixedly connected with a nut, and a fixed shaft is arranged between the nuts;

the upper end of the traction rod is provided with a sleeve nut, and the lower end of the sleeve nut is fixedly connected to the upper end of the connecting rod;

the disc core comprises a cylinder body, a plurality of through holes are longitudinally formed in the cylinder body, and mounting threads are arranged on the side surface of the cylinder body.

Preferably, both ends of one end of the U-shaped ring are fixedly connected with the nut in a welding mode, and the fixing shaft penetrates through the nut.

Preferably, the sleeve nut is fixedly connected with the connecting rod in a welding mode.

Preferably, the sleeve nut is sleeved on the fixed shaft between the two nuts.

Preferably, the inside cavity formula structure that is of toper sleeve lower extreme, and connecting thread has been seted up to the inside wall, carry out the spiro union through installation screw thread and connecting thread between toper sleeve and the disk core.

Preferably, the perforation is provided with a plurality of, and evenly opens inside the barrel, the steel strand wires pass the perforation to fixed by the wedge.

Advantageous effects

The utility model provides a steel strand wires are worn to restraint auxiliary traction device. Compared with the prior art, the method has the following beneficial effects:

1. this supplementary draw gear is worn to restraint by steel strand wires is through passing the perforation to by wedge fixed mounting, make and wear to restraint to become traditional single and wear to restraint to put into a bundle and not only shortened and worn to restraint the time also great improvement of restraint success rate.

2. This steel strand wires are worn to restraint auxiliary traction device establishes in the toper sleeve with each steel strand wires end package, has solved steel strand wires and has easily played the stranded tension inhomogeneous at the process of wearing to restraint, leads to steel strand wires atress inhomogeneous and pulled apart, and steel strand wires damage the bellows at the process of wearing to restrain, lead to the cluster thick liquid or the bellows book congeals into heap stifled pipeline etc..

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the disk core of the present invention;

fig. 3 is the structural schematic diagram of the steel strand installed on the core plate of the utility model.

In the figure: 1. a traction head; 11. a U-shaped ring; 12. a nut; 13. a fixed shaft; 2. a draw bar; 21. sleeving a nut; 22. a connecting rod; 3. a tapered sleeve; 4. a disc core; 41. a barrel; 42. perforating; 43. installing threads; 5. steel strand wires; 6. a wedge block.

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. 1-3, the present invention provides a technical solution: an auxiliary traction device for pulling steel strands comprises a traction head 1,

a traction rod 2 is fixedly arranged between the lower ends of the traction heads 1, the lower end of the traction rod 2 is fixedly connected with the middle part of the rear end of the tapered sleeve 3, a disc core 4 is spirally connected inside the front end opening of the tapered sleeve 3, and a plurality of steel strands 5 are fixedly arranged inside the disc core 4 through wedge blocks 6;

the traction head 1 comprises a U-shaped ring 11, one end of the U-shaped ring 11 is fixedly connected with a nut 12, and a fixed shaft 13 is arranged between the nuts 12;

the upper end of the traction rod 2 is provided with a sleeve nut 21, and the lower end of the sleeve nut 21 is fixedly connected to the upper end of a connecting rod 22;

the disc core 4 comprises a cylinder 41, a plurality of through holes 42 are longitudinally formed in the cylinder 41, and mounting threads 43 are arranged on the side surface of the cylinder 41.

Preferably, both ends of one end of the U-shaped ring 11 are fixedly connected with the nut 12 in a welding mode, the fixing shaft 13 penetrates through the nut 12, and both ends of the fixing shaft can be fixed with the corresponding nuts in a welding mode; the fixing shaft can also be made into a bolt type, and the fixing shaft is fixed by the nut on the bolt after penetrating through the two nuts 12, thereby being more convenient to operate.

Preferably, the coupling nut 21 is fixedly connected with the connecting rod 22 by welding.

Preferably, the union nut 21 is fitted over the fixed shaft 13 between the two nuts.

Preferably, the interior of the lower end of the conical sleeve 3 is of a hollow structure, the inner side wall of the conical sleeve is provided with connecting threads, and the conical sleeve 3 and the disc core 4 are screwed through the mounting threads 43 and the connecting threads.

Preferably, a plurality of through holes 42 are uniformly formed in the cylinder 41, and the steel strand 5 passes through the through holes 42 and is fixed by the wedge-shaped block 6; namely, a steel strand penetrates into a through hole from the front end of the core, and the end of the steel strand is fixed by a wedge-shaped block 6 after penetrating out of the through hole positioned at the rear end of the core, and the fixation of the steel strands is completed sequentially.

During the operation, penetrate barrel 41 inside each perforation 42 with a plurality of steel strand wires 5 to carry out fixed mounting by wedge 6, then with the coil core 4 through the installation screw 43 spiral install into conical sleeve 3 lower extreme inside, make and be connected with traction head 1, traction lever 2, conical sleeve 3 and coil core 4 and each steel strand wires 5, the installation is accomplished the back, and the U type ring 11 on the manual fit hoist engine colludes on the traction head 1 will the utility model discloses and in whole bundle of steel strand wires 6 sent into the bellows, collude the traction of the traction head completion whole bundle of steel strand wires by the hoist engine and wear to restraint work.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steel strand wires are worn to restraint and are assisted draw gear, includes traction head (1), its characterized in that:

a traction rod (2) is fixedly installed between the lower ends of the traction heads (1), the lower end of the traction rod (2) is fixedly connected with the middle of the rear end of the conical sleeve (3), a disc core (4) is spirally connected inside the front end of the conical sleeve (3), and a plurality of steel strands (5) are fixedly installed inside the disc core (4) through wedge blocks (6);

the traction head (1) comprises a U-shaped ring (11), one end of the U-shaped ring (11) is fixedly connected with a nut (12), and a fixed shaft (13) is arranged between the nuts (12);

the upper end of the traction rod (2) is provided with a sleeve nut (21), and the lower end of the sleeve nut (21) is fixedly connected to the upper end of a connecting rod (22);

the disc core (4) comprises a cylinder body (41), a plurality of through holes (42) are longitudinally formed in the cylinder body (41), and mounting threads (43) are arranged on the side surface of the cylinder body (41).

2. The steel strand pulling auxiliary traction device as claimed in claim 1, wherein: both ends of U type ring (11) one end all pass through welded mode fixed connection with nut (12), fixed axle (13) are worn to locate inside nut (12).

3. The steel strand pulling auxiliary traction device as claimed in claim 1, wherein: the sleeve nut (21) and the connecting rod (22) are fixedly connected in a welding mode.

4. The steel strand pulling auxiliary traction device as claimed in claim 1, 2 or 3, wherein: the sleeve nut (21) is sleeved on the fixed shaft (13) between the two nuts.

5. The steel strand pulling auxiliary traction device as claimed in claim 1, wherein: the interior of the lower end of the conical sleeve (3) is of a hollow structure, connecting threads are formed in the inner side wall, and the conical sleeve (3) and the disc core (4) are connected through mounting threads (43) and the connecting threads in a threaded mode.

6. The steel strand pulling auxiliary traction device as claimed in claim 1, wherein: the perforation (42) is provided with a plurality of, and evenly set up inside barrel (41), steel strand wires (5) pass perforation (42) to fixed by wedge (6).