CN214992642U

CN214992642U - Stranding device for prestressed steel strand

Info

Publication number: CN214992642U
Application number: CN202120830866.0U
Authority: CN
Inventors: 任秀哲
Original assignee: Tianjin Yuheng Prestressed Concrete Steel Stread Manufacturing Co ltd
Current assignee: Tianjin Yuheng Prestressed Concrete Steel Stread Manufacturing Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-12-03
Anticipated expiration: 2031-04-20

Abstract

The utility model relates to a strand technical field is twisted in steel strand wires production, and a strand device is twisted with fingers to prestressing force steel strand wires is disclosed, including rotatory piece, the screw hole has been opened to the front side of rotatory piece, and the inside of screw hole is provided with clamping device, and clamping device includes the centre gripping post, and the rear side fixed mounting of centre gripping post has the fixed thread post, and the fixed thread post carries out threaded connection through the screw thread with rotatory piece, and the front side of centre gripping post is opened and is equipped with the centre gripping hole, and the centre gripping hole runs through the rear side of fixed thread post, and the rear side of centre gripping post is provided with dispersion check and keeps off the device, and dispersion check keep off the device and include the fixed column. The utility model discloses in, the copper wire can be along with the rotation of movable hole and shift ring carries out synchronous rotation, avoids because the copper wire overlength, and the toughness of having just crossed soft the copper wire along with the rotatory inconsistent copper wire that leads to keeping away from centre gripping post one end of the rotational speed at both ends around the in-process copper wire that twists with the fingers one of centre gripping post is twined each other and is caused the copper wire to be difficult to the separation in a jumble to influence the condition emergence of normal work efficiency.

Description

Stranding device for prestressed steel strand

Technical Field

The utility model relates to a strand technical field is twisted in the steel strand wires production, especially relates to a prestressed steel strand wires is with device of twisting strands.

Background

The stranding machine is also called a stranding rope machine set, is a subsequent rope forming process in the metal product industry, realizes the sequential combination of multiple strands of steel wires or aluminum wires into ropes according to the lay length requirements and the rope diameter requirements of different processes, is widely applied to industrial and agricultural application occasions such as oil drilling, electric power transmission, ship lifting and loading, elevator lifting and the like, and in the prior art, the stranding machine is driven by a driving device to move and rotate to strand the steel wires, cannot control the twisting degree of the steel wire ropes, and causes the uncertainty of the rigidity of the steel strands.

Publication (announcement) No. CN212247645U discloses a stranding machine for steel strand production, wherein the clamping device is composed of a clamping column, a plurality of paying-off slots, a plurality of threaded holes and a fourth threaded slot, the paying-off slots are arranged on the clamping column, the threaded holes are arranged on the outer side wall of the clamping column, and the fourth threaded slot is arranged at the end part of the outer side wall of the clamping column, but in the rotating process of the clamping device, because the clamping column is too short, in the rotating stranding process, because the steel wire is too long, the rotational speeds of the front end and the rear end of the steel wire are inconsistent in the process that the steel wire is twisted into one strand along with the rotation of the clamping column, the steel wire far away from one end of the clamping column is twisted with each other to cause the steel wire to be difficult to separate, and the normal working efficiency is affected.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem existing in the prior art and provides a stranding device for prestressed steel strands.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, a prestressing force steel strand is with stranding device, including rotatory piece, the screw hole has been opened to the front side of rotatory piece, the inside of screw hole is provided with clamping device, clamping device includes the centre gripping post, the rear side fixed mounting of centre gripping post has the fixed thread post, and the fixed thread post carries out threaded connection through the screw thread with rotatory piece, the front side of centre gripping post is opened and is equipped with the centre gripping hole, and the centre gripping hole runs through the rear side of fixed thread post, the rear side of centre gripping post is provided with dispersion check and keeps off the device, dispersion check keep off the device and include the fixed column, the excircle department fixed mounting of fixed column has three group's baffles, the rear side of dispersion check keeps off the device is provided with fixing device, fixing device includes the shifting ring, three group's fixed orificess of shifting ring are opened to the front side.

Preferably, the fixing column is arranged at the rear side of the clamping hole, and the front side of the baffle is fixedly installed with the rear side of the fixing threaded column.

Preferably, the rear side of the fixed column is provided with a movable hole, the rear sides of the three groups of baffles are provided with movable grooves, the movable column is movably mounted inside the movable hole, the outer circle of the movable column is fixedly provided with three groups of movable blocks, the cross sectional area of each movable block is matched with that of each movable groove, and each movable block is movably mounted inside each movable groove.

Preferably, the movable hole penetrates through the rear side of the fixed column and extends into the fixed column, the movable groove penetrates through the rear side of the baffle and extends into the baffle, and the size of the cross section area of the movable column is matched with that of the movable hole.

Preferably, the fixing device further comprises a positioning column, the front side of the positioning column and the rear side of the movable column are fixedly installed, the positioning column is movably installed in the hollow area inside the movable ring, three groups of through holes and three groups of extrusion columns are formed in the outer circle of the movable ring, the extrusion columns are movably installed inside the through holes, and limiting columns are fixedly installed at the ends, far away from the positioning column, of the extrusion columns.

Advantageous effects

The utility model provides a prestressed steel strand is with stranding device. The method has the following beneficial effects:

(1) this stranding device for prestressed steel strand, when rotatory piece began rotatory removal along with drive arrangement, rotatory piece drove the centre gripping post and begins to rotate, the centre gripping post drives fixed thread post and begins to rotate, three strands of copper wires began to rotate then to twist into one three groups of copper wires in the inside of centre gripping hole this moment, when three strands of copper wires were rotatory along with the centre gripping post, the copper wire of centre gripping hole rear side was given by three group's baffles and is separated, the rear end of three strands of copper wires is respectively in the inside of fixed orifices, the copper wire can be along with the rotation of movable hole and shifting ring and carry out synchronous rotation, avoid because the copper wire overlength, just toughness is crossed soft and is twisted into the in-process copper wire of one along with the centre gripping post around the rotational speed nonconformity at both ends lead to keeping away from the copper wire of centre gripping post one end and twine each other and cause the copper wire to separate the condition emergence that the influence normal work efficiency that leads to the messy.

(2) This stranded wire is with stranding device, the inside through at fixed column and baffle removes the length that the post and the movable block increased the steel wire baffle and adapt to the use of different length copper wires, has strengthened the device's practicality.

(3) This prestressing force steel strand is with stranding device makes the extrusion post extrude the copper wire through removing the extrusion post, has avoided the copper wire to lead to the inside separation of copper wire self-fixing hole at the inside free motion of fixed orifices, makes the copper wire lose the fixed condition that influences the device normal use and takes place.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a partial schematic view of the rotary block of the present invention;

FIG. 3 is a partial schematic view of the clamping post of the present invention;

FIG. 4 is a partial schematic view of the moving column of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 4 according to the present invention.

Illustration of the drawings:

1. rotating the block; 2. a threaded hole; 3. a clamping device; 31. a clamping post; 32. fixing the threaded column; 33. a clamping hole; 4. a dispersion block device; 41. fixing a column; 42. a baffle plate; 43. a movable hole; 44. a movable groove; 45. moving the column; 46. a moving block; 5. a fixing device; 51. a moving ring; 52. a positioning column; 53. a fixing hole; 54. a through hole; 55. extruding the column; 56. a limiting column.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example (b): a stranding device for prestressed steel strands is shown in fig. 1-5 and comprises a rotating block 1, a threaded hole 2 is formed in the front side of the rotating block 1, the threaded hole 2 penetrates through the rear end of the rotating block 1, a clamping device 3 is arranged inside the threaded hole 2, the clamping device 3 comprises a clamping column 31, the clamping column 31 is in a circular column shape, a fixed threaded column 32 is fixedly mounted on the rear side of the clamping column 31, the fixed threaded column 32 is in threaded connection with the rotating block 1 through threads, a clamping hole 33 is formed in the front side of the clamping column 31, the clamping hole 33 penetrates through the rear side of the fixed threaded column 32, a dispersing block device 4 is arranged on the rear side of the clamping column 31, the dispersing block device 4 comprises a fixed column 41, the fixed column 41 is in a circular column shape, the fixed column 41 is arranged on the rear side of the clamping hole 33, three groups of baffle plates 42 are fixedly mounted at the outer circle of the fixed column 41, the baffle 42 is a rectangular plate, the front side of the baffle 42 is fixedly installed with the rear side of the fixed threaded column 32, the fixing device 5 is arranged on the rear side of the dispersing grid blocking device 4, the fixing device 5 comprises a moving ring 51, the moving ring 51 is a circular column with a hollow interior, three groups of fixing holes 53 are formed in the front side of the moving ring 51, and the fixing holes 53 penetrate through the rear side of the moving ring 51;

the rear side of the fixed column 41 is provided with a movable hole 43, the movable hole 43 is a circular groove, the movable hole 43 penetrates through the rear side of the fixed column 41 and extends into the fixed column 41, the rear sides of the three groups of baffles 42 are provided with movable grooves 44, the movable grooves 44 are rectangular grooves, the movable grooves 44 penetrate through the rear sides of the baffles 42 and extend into the baffles 42, a movable column 45 is movably mounted in the movable hole 43, the movable column 45 is in a circular column shape, the cross sectional area of the movable column 45 is matched with that of the movable hole 43, the outer circle of the movable column 45 is fixedly provided with three groups of movable blocks 46, the movable blocks 46 are rectangular blocks, the cross sectional area of the movable blocks 46 is matched with that of the movable groove 44, and the movable blocks 46 are movably mounted in the movable groove 44;

the fixing device 5 further comprises a positioning column 52, the front side of the positioning column 52 is fixedly installed with the rear side of the moving column 45, and the positioning column 52 is movably installed in the hollow area inside the moving ring 51;

three groups of through holes 54 are formed in the outer circle of the moving ring 51, extrusion columns 55 are movably mounted inside the three groups of through holes 54, each extrusion column 55 is in a circular column shape, and limiting columns 56 are fixedly mounted at the ends, far away from the positioning columns 52, of the extrusion columns 55.

The utility model discloses a theory of operation:

when the steel wire twisting machine is used, when the rotating block 1 starts to rotate along with the driving device, the rotating block 1 drives the clamping column 31 to start to rotate, the clamping column 31 drives the fixed threaded column 32 to start to rotate, at the moment, three strands of steel wires start to rotate in the clamping holes 33 and then twist three groups of steel wires into one strand, when the three strands of steel wires rotate along with the clamping column 31, the steel wires behind the clamping holes 33 are separated by the three groups of baffles 42, the rear ends of the three strands of steel wires are respectively arranged in the fixed holes 53, the steel wires can synchronously rotate along with the rotation of the movable holes 43 and the movable rings 51, the lengths of the steel wire baffles are increased by moving the movable columns 45 and the movable blocks 46 in the fixed columns 41 and the fixed plates 42 to adapt to the use of different steel wire lengths, and the extrusion columns 55 are moved to extrude the steel wires.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a prestressed steel strand device with stranding, includes rotatory piece (1), screw hole (2) are opened to the front side of rotatory piece (1), the inside of screw hole (2) is provided with clamping device (3), clamping device (3) include centre gripping post (31), the rear side fixed mounting of centre gripping post (31) has fixed thread post (32), and fixed thread post (32) carry out threaded connection through the screw with rotatory piece (1), centre gripping hole (33) are opened to the front side of centre gripping post (31), and the rear side of fixed thread post (32) is run through in centre gripping hole (33), its characterized in that: the rear side of centre gripping post (31) is provided with dispersion check fender device (4), dispersion check fender device (4) are including fixed column (41), the excircle department fixed mounting of fixed column (41) has three group's baffles (42), the rear side of dispersion check fender device (4) is provided with fixing device (5), fixing device (5) are including shifting ring (51), three group's fixed orificess (53) have been seted up to the front side of shifting ring (51).

2. The stranding device for prestressed steel strands according to claim 1, characterized in that: the fixing column (41) is arranged on the rear side of the clamping hole (33), and the front side of the baffle plate (42) is fixedly installed with the rear side of the fixing threaded column (32).

3. The stranding device for prestressed steel strands according to claim 1, characterized in that: the rear side of the fixed column (41) is provided with movable holes (43), the rear sides of the three groups of baffles (42) are provided with movable grooves (44), the movable columns (45) are movably mounted inside the movable holes (43), three groups of moving blocks (46) are fixedly mounted at the outer circles of the movable columns (45), the cross sectional areas of the moving blocks (46) are matched with the cross sectional areas of the movable grooves (44), and the moving blocks (46) are movably mounted inside the movable grooves (44).

4. The stranding device for prestressed steel strands according to claim 3, characterized in that: the movable hole (43) penetrates through the rear side of the fixed column (41) to extend into the fixed column (41), the movable groove (44) penetrates through the rear side of the baffle plate (42) to extend into the baffle plate (42), and the size of the cross section area of the movable column (45) is matched with that of the movable hole (43).

5. The stranding device for prestressed steel strands according to claim 1, characterized in that: the fixing device (5) further comprises a positioning column (52), the front side of the positioning column (52) is fixedly installed with the rear side of the moving column (45), and the positioning column (52) is movably installed in the hollow area in the moving ring (51).

6. The stranding device for prestressed steel strands according to claim 1, characterized in that: three groups of through holes (54) are formed in the outer circle of the moving ring (51), three groups of extrusion columns (55) are movably mounted in the through holes (54), and limiting columns (56) are fixedly mounted at the ends, far away from the positioning columns (52), of the extrusion columns (55).