CN214993066U

CN214993066U - Device for tensioning steel cable guardrail and use structure thereof

Info

Publication number: CN214993066U
Application number: CN202120538314.2U
Authority: CN
Inventors: 唐茗; 吴航; 顾万; 范凌泰
Original assignee: Jiangsu Guangjing Xicheng Highway Co ltd
Current assignee: Jiangsu Guangjing Xicheng Highway Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-12-03
Anticipated expiration: 2031-03-15

Abstract

The utility model discloses a device for tensioning cable wire guardrail, the device includes first fixing base, the second fixing base, connect the guide pillar between first fixing base and second fixing base, slidable ground cover establishes the sliding seat on the guide pillar, the hydraulic pump that sets up jack between second fixing base and sliding seat and link to each other through hydraulic pressure pipe and jack, the jack acts on the sliding seat and can apply a thrust along the guide pillar direction to the sliding seat, be equipped with the screw rod that the side direction extends on first fixing base and the sliding seat respectively. The utility model discloses a device can install and use on current cable wire guardrail connected node. The screw rod of the device is connected with the connecting node of the steel cable guardrail, the movable seat is pushed to move by the jack, the steel cable is further pulled, pretension is applied to the steel cable, and physical consumption of constructors is reduced.

Description

Device for tensioning steel cable guardrail and use structure thereof

Technical Field

The utility model relates to a road and bridge field, in particular to a device for tensioning cable wire guardrail and use structure thereof.

Background

The flexible steel cable guardrail is a structure formed by fixing a plurality of steel cables exerting pretension on an upright post, and resists the collision of vehicles mainly by the tensile stress of the steel cables to absorb collision energy. On the steel cable connection node of the steel cable guardrail, the steel cables on two sides of the upright post are respectively connected to the upright post through a buckle and a nut. The installation specifications for flexible cable guardrails stipulate that a pretension of 5 tons should be applied to the cable when the cable is installed. The current method of applying pretension is to tighten the wire rope by turning the nut with a wrench. The defects in the prior art are that manual screwing of the nut is a very laborious thing, and physical power of constructors is consumed very much. In addition, the constructor cannot quantitatively determine whether the pretension on the steel cords reaches 5 tons.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one problem of the prior art, according to an aspect of the present disclosure, a device for tensioning a wire rope guardrail is provided, the device includes a first fixing seat, a second fixing seat, a guide pillar connected between the first fixing seat and the second fixing seat, a movable seat slidably sleeved on the guide pillar, a jack disposed between the second fixing seat and the movable seat, and a hydraulic pump connected to the jack through a hydraulic pipe, wherein the jack acts on the movable seat and can apply a thrust force along the direction of the guide pillar to the movable seat, and laterally extending screws are respectively disposed on the first fixing seat and the movable seat.

The beneficial effects of the embodiment are as follows: the screw rod of the device is connected with the connecting node of the steel cable guardrail, the movable seat is pushed to move by the jack, the steel cable is further pulled, pretension is applied to the steel cable, and physical consumption of constructors is reduced.

In some embodiments, at least one first nut is provided on each screw. The first nut is used for locking the screw rod and the buckle.

In some embodiments, the two screws are inclined toward each other. The screw rod is set to be inclined, so that the screw rod is prevented from slipping.

In some embodiments, the screw is at an angle of 5 ° to the normal plane of the guide post.

In some embodiments, there are two parallel guide posts between the first and second holders. The sliding connection of the movable seat on the two guide posts avoids the rotation of the movable seat on a single guide post.

In some embodiments, the guide posts are cylindrical, the two guide posts are arranged up and down, the movable seat is provided with two sleeve holes, and the guide posts are respectively inserted into the sleeve holes.

In some embodiments, a pressure gauge is connected to the hydraulic pump or the hydraulic pipe. The pressure gauge shows the amount of pretension the jack exerts on the cable guard. The pressure gauge can judge when to stop pulling the steel cable, so that the pre-tension of the steel cable is controllable.

According to another aspect of the present disclosure, there is provided a structure for using a device for tensioning a wire rope guardrail, the structure including a pillar, a wire rope at both sides of the pillar, and two buckles for respectively connecting the wire rope at both sides to the pillar, wherein a screw on a first fixed seat penetrates through an inherent hole of one of the buckles and is fastened by a first nut, and a screw on a movable seat penetrates through an inherent hole of the other buckle and is fastened by a first nut.

Drawings

Fig. 1 schematically shows a structural view of a device for tensioning a cable guard rail according to an embodiment of the present disclosure.

FIG. 2 schematically illustrates a top view of a device for tensioning a cable guard rail according to one embodiment of the present disclosure.

FIG. 3 schematically illustrates a schematic view of a shoe of an apparatus for tensioning a cable guard according to an embodiment of the present disclosure.

FIG. 4 schematically illustrates a schematic view of a use configuration of the device for tensioning a cable guard rail of the present disclosure.

FIG. 5 schematically illustrates a structural view of a cable connection node of a cable guard.

Description of the symbols:

the hydraulic pressure measuring device comprises a first fixed seat 1, a second fixed seat 2, a guide pillar 3, a movable seat 4, a jack 5, a hydraulic pump 6, a screw 7, a pressure gauge 8, a trepanning 9, a hydraulic pipe 11, a buckle 12, an inherent hole 13, a stand column 14, a steel cable 15, a first nut 16, a left connecting plate 17, a right connecting plate 18, a connecting piece 19, an eyelet bolt 20 and a second nut 21

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

FIG. 1 schematically illustrates a schematic structural view of a device for tensioning a cable guard rail according to one embodiment of the present disclosure. FIG. 2 schematically illustrates a top view of a device for tensioning a cable guard rail according to one embodiment of the present disclosure.

Referring to fig. 1 and 2, the device for tensioning a cable guard rail includes a first fixed base 1, a second fixed base 2, a guide pillar 3, a movable base 4, a jack 5, and a hydraulic pump 6. The guide pillar 3 is connected between the first fixing seat 1 and the second fixing seat 2, wherein one end of the guide pillar 3 is connected with the first fixing seat 1, and the other end of the guide pillar 3 is connected with the second fixing seat 2. The movable seat 4 is slidably sleeved on the guide post 3, so that the movable seat 4 can freely slide on the guide post 3 along the extending direction of the guide post 3. Jack 5 sets up between second fixing base 2 and sliding seat 4, for example, jack 5 fixes on second fixing base 2. The ejecting end of the jack 5 acts on the movable seat 4, and when the ejecting end of the jack 5 is ejected forwards, the pushing force along the direction of the guide post 3 can be applied to the movable seat 4. The jack 5 is connected with the hydraulic pump 6 through a hydraulic pipe 11, and the hydraulic pump 6 is operated to provide hydraulic power for the jack 5 so as to drive the jack 5 to push the movable seat 4 to advance. The hydraulic pump 6 can be a manual hydraulic pump, hydraulic pressure can be applied to the jack 5 by repeatedly pulling the handle, and the hydraulic pump is convenient to carry, labor-saving to operate, free of a power supply and suitable for outdoor operation. The hydraulic pump 6 may also be an electrically operated hydraulic pump if conditions permit, for example, the construction environment can provide electrical power. The first fixed seat 1 and the movable seat 4 are respectively provided with a screw 7 extending laterally, and the two screws 7 are arranged on the same side of the first fixed seat 1 and the movable seat 4. The screw 7 is threadedly connected with a first nut 16, and the first nut 6 is used for connecting the screw 7 with the steel cable connecting node in use.

With continued reference to fig. 1, a pressure gauge 8 is connected to the hydraulic pump 6 or the hydraulic pipe 11. The pressure gauge 8 displays the hydraulic pressure output by the hydraulic pump 6, thereby measuring the thrust of the jack 5. The user can quickly obtain whether the pretension force of the steel cable reaches the standard value from the pressure gauge 8, thereby determining whether the steel cable needs to be stopped from being tensioned.

Referring to fig. 1, two guide posts 3 are provided, and the two guide posts 3 are disposed in parallel between the first fixing base 1 and the second fixing base 2 in an up-down arrangement manner. The movable seat 4 is connected to the two guide posts 3 in a sliding manner, so that the movable seat 4 is prevented from rotating on a single guide post 3. The jack 5 is arranged between the upper guide post 3 and the lower guide post 3. Referring to fig. 3, the guide posts 3 are cylindrical, two circular sleeve holes 9 are formed in the movable base 4, and the two guide posts 3 are respectively inserted into the sleeve holes 9. In some embodiments, the movable seat 4 and the guide pillar 3 may be connected by a guide sleeve to enhance the sliding capability of the movable seat 4.

In some embodiments, referring to fig. 2, the two screws 7 are inclined to each other, for example, the angle between the screw 7 and the normal plane of the guide post 3 is 5 °. When the device of the present disclosure is used, the screw 7 is inserted into the inherent hole 13 of the buckle 12 from the front side, and the screw 7 is inclined to prevent the screw 7 from slipping.

The device of the present disclosure can be used directly mounted on existing wire rope connection nodes. Figure 4 schematically illustrates a use configuration of the device for tensioning a cable guard rail of the present disclosure. Referring to fig. 4, the structure of the device for tensioning a cable guard rail includes a vertical column 14, cables 15 at both sides of the vertical column 14, and two buckles 12 connecting the cables 15 at both sides with the vertical column 14, respectively, a screw 7 of the first fixed seat 1 passes through an inherent hole 13 of one buckle 12 and is fastened by a first nut 16, and a screw 7 of the movable seat 4 passes through an inherent hole 13 of the other buckle 12 and is fastened by another first nut 16.

FIG. 5 schematically illustrates a structural view of a cable connection node of a cable guard. Referring to fig. 5, the upright 14 includes a left connecting plate 17 and a right connecting plate 18. The buckle 12 comprises a connecting piece 19 and a swing bolt 20, the connecting piece 19 is used for connecting and locking the steel cable 15, the swing bolt 20 is hinged with the connecting piece 19, and an inherent hole 13 is formed beside the hinged position. The left-hand swing bolt 20 is passed through the left connecting plate 17 from the left and is secured by a second nut 21, and the right-hand swing bolt 20 is passed through the right connecting plate 18 from the right and is secured by a further second nut 21.

The using method of the device disclosed by the disclosure is that the screw 7 on the first fixed seat 1 penetrates through the inherent hole 13 of the buckle 12 on the left side or the right side and is locked by the first nut 16; then adjusting the movable seat 4 to a proper position, and enabling the screw 7 on the movable seat 4 to penetrate through the inherent hole 13 of the other buckle 12 and be locked by the other first nut 16; repeatedly wrenching the handle of the hydraulic pump 6 to provide hydraulic pressure to the jack 5, causing the jack 5 to push the movable seat 4, so that the movable seat 4 and the first fixed seat 1 move relatively, and the steel cables at two sides are tensioned. The pressure gauge 8 shows the pretension value of the wire rope. When the pretension of the steel cable reaches the standard value, the constructor stops operating the hydraulic pump 6 and then locks the second nut 21 to keep the steel cable in a tensioned state.

The steel cable can be easily tensioned by utilizing the device for tensioning the steel cable guardrail, and whether the pretensioning force of the steel cable reaches a standard numerical value or not can be judged through the pressure gauge 8. In addition, this disclosed a device for tensioning cable wire guardrail can use on the connected node of cable wire guardrail direct mount, need not make the change to the connected node of cable wire guardrail for this disclosed device easily promotes.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The device for tensioning the steel cable guardrail is characterized by comprising a first fixed seat, a second fixed seat, a guide pillar connected between the first fixed seat and the second fixed seat, a movable seat slidably sleeved on the guide pillar, a jack arranged between the second fixed seat and the movable seat and a hydraulic pump connected with the jack through a hydraulic pipe, wherein the jack acts on the movable seat and can apply thrust along the direction of the guide pillar to the movable seat, and laterally extending screw rods are respectively arranged on the first fixed seat and the movable seat.

2. The device for tensioning a wire rope guardrail of claim 1 wherein at least one first nut is provided on each threaded rod.

3. The apparatus for tensioning a wire rope guardrail of claim 1 wherein the two threaded rods are inclined to each other.

4. A device for tensioning a wire rope guardrail according to claim 3, characterized in that the screw has an angle of 5 ° to the normal plane of the guide post.

5. The device for tensioning a wire rope guardrail of claim 1 wherein there are two parallel guide posts between the first mount and the second mount.

6. The device for tensioning a wire rope guardrail according to claim 5, wherein the guide posts are cylindrical, two guide posts are arranged up and down, two sleeve holes are formed on the movable seat, and the guide posts are respectively inserted into the sleeve holes.

7. The apparatus for tensioning a wire rope guardrail according to any one of claims 1-6, wherein a pressure gauge is connected to the hydraulic pump or the hydraulic pipe.

8. The structure of claim 7, comprising a post, a cable on both sides of the post, and two fasteners connecting the cables on both sides to the post, wherein the screw of the first fixed seat passes through the hole of one fastener and is fastened by the first nut, and the screw of the movable seat passes through the hole of the other fastener and is fastened by the first nut.