CN210508427U

CN210508427U - Steel strand cutting protection device

Info

Publication number: CN210508427U
Application number: CN201921276998.2U
Authority: CN
Inventors: 张郑洋; 顾颖; 古松; 孔超; 任松波; 谢雄
Original assignee: Southwest University of Science and Technology
Current assignee: Southwest University of Science and Technology
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-12
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a steel strand wires cuts protection device belongs to steel strand wires construction technical field. A steel strand truncation protection device, comprising: the protective rope comprises a first fastener, a second fastener and a protective rope for connecting the first fastener and the second fastener; the first fastener and the second fastener respectively comprise a first clamping piece and a second clamping piece; first clamping piece and second clamping piece all are circular-arc and lock each other, and first clamping piece and second clamping piece all include fixed side and activity side, the fixed side of first clamping piece and the fixed side swivelling joint of second clamping piece, and the activity side of first clamping piece can be dismantled with the activity side of second clamping piece and be connected. The utility model discloses a first fastener and second fastener are used for connecting in the both sides of steel strand wires fracture department, and after the steel strand wires fracture, the steel strand wires take place to bounce back, but because first fastener and second fastener are connected to the protection rope, can carry on spacingly through the balanced bounce-back of protection rope and to cracked steel strand wires to avoid cracked steel strand wires to bounce back and lead to the incident.

Description

Steel strand cutting protection device

Technical Field

The utility model relates to a steel strand wires construction technical field, concretely relates to steel strand wires cut protection device.

Background

Generally, when applied to a bridge, the steel strand will have a prestress, so that the steel strand has elasticity. When the steel strand with prestress is cut, the steel strand is subjected to elastic-plastic deformation at the moment of cutting, and naturally rebounds after being broken, so that the steel strand possibly rebounds to an operator, and safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel strand wires cuts protection device to can take place the bounce-back when solving current steel strand wires and cutting, thereby lead to the problem of incident.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a steel strand truncation protection device, comprising: the protective rope comprises a first fastener, a second fastener and a protective rope for connecting the first fastener and the second fastener; the first fastener and the second fastener respectively comprise a first clamping piece and a second clamping piece; first clamping piece and second clamping piece all are circular-arc and lock each other, and first clamping piece and second clamping piece all include fixed side and activity side, the fixed side of first clamping piece and the fixed side swivelling joint of second clamping piece, and the activity side of first clamping piece can be dismantled with the activity side of second clamping piece and be connected.

The utility model discloses a first fastener and second fastener are used for connecting in the both sides of steel strand wires fracture department, and after the steel strand wires fracture, the steel strand wires take place to bounce back, but because first fastener and second fastener are connected to the protection rope, can carry on spacingly through the balanced bounce-back of protection rope and to cracked steel strand wires to avoid cracked steel strand wires to bounce back and lead to the incident. First clamping piece and the second clamping piece on the fastener form the cylinder jointly, and when the installation, open the activity side, make first clamping piece and second clamping piece rotate to can fold first clamping piece and second clamping piece after fixing in putting into the fastener with the steel strand wires, thereby can make fastener and steel strand wires fixed connection.

Furthermore, the inner side walls of the first clamping piece and the second clamping piece are provided with anti-skid grains.

The utility model discloses set up anti-skidding line at the inside wall of first clamping piece and second clamping piece, can increase the frictional force between fastener and the steel strand wires, avoid droing between fastener and the steel strand wires.

Furthermore, the movable side of the first clamping piece and the movable side of the second clamping piece are both provided with connecting bulges; the connecting bulge on the first clamping piece is connected with the connecting bulge on the second clamping piece through a bolt.

The utility model discloses a connect protruding first clamping piece of being convenient for and second clamping piece can dismantle the connection through the bolt, connect the arch and have sufficient space and come to be connected with the bolt.

Furthermore, the connecting bulge of the first clamping piece is provided with a through hole, the connecting bulge of the second clamping piece is provided with a threaded hole corresponding to the through hole, and the bolt penetrates through the through hole and is in threaded connection with the side wall of the threaded hole.

The utility model discloses a bolt passes the back from the through-hole, and its afterbody is located the screw hole, the protruding contact of connection of head and first clamping piece to make first clamping piece pass through bolt and second clamping piece in close contact with, for providing sufficient normal pressure between fastener and the steel strand wires, in order to increase frictional force.

Furthermore, the connecting bulge of the second clamping piece is provided with a reinforcing bulge, and the threaded hole penetrates through the reinforcing bulge.

In order to make threaded connection more reliable, set up on the second clamping piece and strengthen the arch, can increase the length of screw hole, make the bolt increase with the cooperation length of screw hole to make threaded connection more reliable.

Further, the fixed side of the first clip piece is hinged with the fixed side of the second clip piece.

Furthermore, the end parts of the first fastener and the second fastener are respectively provided with a first traction hook which is connected with a pin shaft of the hinge; the two ends of the protection rope are respectively connected with the first traction hook on the first fastener and the second fastener.

Further, the first hook is annular.

Furthermore, two ends of the protection rope are respectively provided with a second traction hook connected with the first traction hook.

Further, the second draw hook is a self-locking draw hook.

The utility model discloses a first draw hook and second draw the hook and can connect fast, effectively, and first draw the hook and be closed form to and first draw the hook and not only can connect fast for the auto-lock draw the hook, can also avoid taking place to drop between first draw hook and second draw the hook.

The utility model discloses following beneficial effect has:

the utility model discloses a first fastener and second fastener are used for connecting in the both sides of steel strand wires fracture department, and after the steel strand wires fracture, the steel strand wires take place to bounce back, but because first fastener and second fastener are connected to the protection rope, can carry on spacingly through the balanced bounce-back of protection rope and to cracked steel strand wires to avoid cracked steel strand wires to bounce back and lead to the incident.

Drawings

Fig. 1 is a schematic structural view of the steel strand cutting protection device of the present invention;

fig. 2 is a schematic structural view of the first fastener of the present invention.

In the figure: 10-a first fastener; 11-a first jaw; 12-a second jaw; 13-fixed side; 14-the active side; 15-connecting the projections; 16-bolt; 17-a through hole; 18-a threaded hole; 19-reinforcing protrusions; 20-a second fastener; 30-a protective rope; 40-a first towing hook; 50-second tow hook.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1, a steel strand cutting protection device includes: the first fastener 10 and the second fastener 20 have the same structure, and the first fastener 10 and the second fastener 20 are connected by a protective string 30. The first fastener 10 and the second fastener 20 are respectively connected with two sides of a fracture of the steel strand, so that the fracture of the steel strand is prevented from rebounding. The end parts of the first fastener 10 and the second fastener 20 are respectively provided with a first traction hook 40, the two ends of the protection rope 30 are respectively provided with a second traction hook 50, and the two second traction hooks 50 are respectively sleeved with the first traction hooks 40 on the first fastener 10 and the second fastener 20 to be connected together. In the present embodiment, the protection rope 30 is a steel strand; the first towing hook 40 is annular; the second draw hook 50 is a self-locking draw hook.

Referring to fig. 2, since the first fastening member 10 and the second fastening member 20 have the same structure, only the structure of the first fastening member 10 will be described. First fastener 10 includes first clamping piece 11 and second clamping piece 12, and first clamping piece 11 and second clamping piece 12 all are semicircle arc-shaped and mutual lock to form the cavity that is used for the steel strand wires to pass, in order to avoid skidding, all be equipped with many anti-skidding lines at the inside wall of first clamping piece 11 and second clamping piece 12, the cross-section of anti-skidding line is triangle-shaped.

The first jaw 11 and the second jaw 12 each comprise a fixed side 13 and a movable side 14. The fixed sides 13 of the first jaw 11 and the second jaw 12 are hinged, and the first towing hook 40 is connected with the pin shaft of the hinge. The movable sides 14 of the first clamping piece 11 and the second clamping piece 12 are respectively provided with a connecting bulge 15, the connecting bulge 15 on the first clamping piece 11 is provided with a through hole 17, and the connecting bulge 15 on the second clamping piece 12 is provided with a threaded hole 18. The tail part of the bolt 16 extends from the through hole 17 and is in threaded connection with the side wall of the threaded hole 18, and the head part of the bolt 16 is in contact with the connecting protrusion 15 on the first clamping piece 11, so that the first clamping piece 11 and the second clamping piece 12 are connected through the bolt 16. In order to increase the reliability of the threaded connection, the connecting protrusion 15 on the second clamping piece 12 is provided with a reinforcing protrusion 19, the threaded hole 18 sequentially penetrates through the connecting protrusion 15 and the reinforcing protrusion 19, and the matching length of the tail part of the bolt 16 and the side wall of the threaded hole 18 is increased, so that the threaded connection is more reliable.

When using the steel strand wires to cut protection device, arrange the both sides of the steel strand wires cut off in advance respectively in the cavity of first fastener 10 and second fastener 20, tighten up bolt 16 again, when cutting the steel strand wires, the steel strand wires kick-backs under the effect of prestressing force, because protection rope 30 plays the connection effect, resilience force can be offset to protection rope 30, avoids the steel strand wires of cutting to kick-back to the operator and causes the injury.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a steel strand wires cuts protection device which characterized in that includes: a first fastener (10), a second fastener (20) and a protective rope (30) connecting the first fastener (10) and the second fastener (20); the first fastener (10) and the second fastener (20) comprise a first clamping piece (11) and a second clamping piece (12); first clamping piece (11) and second clamping piece (12) all are circular-arc and mutual lock, first clamping piece (11) and second clamping piece (12) all include fixed side (13) and activity side (14), fixed side (13) of first clamping piece (11) with fixed side (13) swivelling joint of second clamping piece (12), activity side (14) of first clamping piece (11) with the connection can be dismantled in activity side (14) of second clamping piece (12).

2. The steel strand truncation protection device of claim 1, wherein the inner side walls of the first clamping piece (11) and the second clamping piece (12) are provided with anti-slip threads.

3. The strand truncation protection device according to claim 2, wherein the movable side (14) of the first jaw (11) and the movable side (14) of the second jaw (12) are each provided with a connecting protrusion (15); the connecting bulge (15) on the first clamping piece (11) is connected with the connecting bulge (15) on the second clamping piece (12) through a bolt (16).

4. The strand truncation protection device according to claim 3, wherein the connecting protrusion (15) of the first clamping piece (11) is provided with a through hole (17), the connecting protrusion (15) of the second clamping piece (12) is provided with a threaded hole (18) corresponding to the through hole (17), and the bolt (16) passes through the through hole (17) and is in threaded connection with the side wall of the threaded hole (18).

5. The strand truncation protection device according to claim 4, wherein the connection protrusion (15) of the second clamping piece (12) is provided with a reinforcing protrusion (19), and the threaded hole (18) penetrates through the reinforcing protrusion (19).

6. Strand truncation protection according to any one of claims 1 to 5, wherein the fixed side (13) of the first jaw (11) is hinged to the fixed side (13) of the second jaw (12).

7. The steel strand truncation protection device of claim 6, wherein the ends of the first fastener (10) and the second fastener (20) are respectively provided with a first traction hook (40), and the first traction hook (40) is connected with a pin shaft of a hinge; two ends of the protection rope (30) are respectively connected with the first traction hook (40) on the first fastener (10) and the second fastener (20).

8. The strand truncation protection device of claim 7, wherein the first draw hook (40) is annular.

9. The strand truncation protection device according to claim 8, wherein both ends of the protection rope (30) are respectively provided with a second towing hook (50) connected with the first towing hook (40).

10. The strand truncation protection device of claim 9, wherein the second draw hook (50) is a self-locking draw hook.