CN113737655A

CN113737655A - Attachment device for bridge pier stud safety ladder and construction method adopting attachment device

Info

Publication number: CN113737655A
Application number: CN202111002920.3A
Authority: CN
Inventors: 陈远; 文剑; 杨德志; 韩凤友; 刘宏杰; 熊伍安
Original assignee: China First Metallurgical Group Co Ltd
Current assignee: China First Metallurgical Group Co Ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2021-12-03

Abstract

The application discloses attachment device of bridge pier stud safety cat ladder and adopt this attachment device's construction method, attachment device includes lock hoop mechanism and coupling mechanism. The tightening mechanism is used for tightening the bridge pier stud. The connecting mechanism is used for connecting the tightening mechanism and the safety ladder stand. The application has the advantages that the embedded parts are not needed to be utilized by the attaching device, the mounting and dismounting are simple, the locking is firm and reliable, and the appearance quality of the pier stud concrete can not be damaged. The application of the attaching device is applicable to pier columns with various cross sections, the applicability is strong, and the attaching device can be reused.

Description

Attachment device for bridge pier stud safety ladder and construction method adopting attachment device

Technical Field

The application relates to the field of construction, in particular to an attachment device of a bridge pier stud safety ladder and a construction method adopting the attachment device.

Background

In the bridge pier stud work progress, for making things convenient for the operation from top to bottom of personnel, need set up safe cat ladder. Attachment of the ladder is one of the major points of safety control. The traditional way is that install the built-in fitting before pier stud concreting, and the later stage utilizes the built-in fitting to adhere to, and this kind of way can have some shortcomings: firstly, the embedded parts are poured in concrete, so that the chiseling is time-consuming and labor-consuming, and the appearance quality is influenced due to improper treatment; if the embedded part is buried shallowly, the stability of adhesion is poor; if the buried layer is deep, the difficulty is increased for later chiseling; and thirdly, the embedded part is used once more, so that material waste is caused, the cost is increased, and the embedded part is not economical.

Content of application

The application provides an attachment device of bridge pier stud safety cat ladder and adopt this attachment device's construction method, can not need to set up the built-in fitting on the pier stud, just can adhere to firmly with the pier stud, and is applicable to the pier stud of various cross-sectional forms such as cylinder mound, square mound and hollow mound, has ann and tears simply, labour saving and time saving, adheres to firmly reliably, and the suitability is strong, characteristics that can reuse.

In a first aspect, an embodiment of the present application provides an attachment device for a safety ladder for bridge piers, which includes a tightening mechanism and a connecting mechanism. The tightening mechanism is used for tightening the bridge pier stud. The connecting mechanism is used for connecting the tightening mechanism and the safety ladder stand.

In some of these embodiments, the cinch mechanism includes a cord body, a clasp, and a cord tightener. The rope body is used for surrounding the bridge pier stud. The buckle includes at least two, and two buckles are used for locking the both sides of U type structure behind the both ends of the rope body bending formation U type structure respectively for the both ends of the rope body form a pull ring respectively. The euphroe is used for blocking two pull rings and tightening up the rope body for the rope body cramps at the bridge pier stud.

In some of these embodiments, the clasp comprises a U-shaped piece, a slider, and a retaining nut. The U-shaped part is provided with two parallel straight rods and an arc beam for connecting the two straight rods. The sliding piece is positioned in the opening of the U-shaped piece and is provided with a U-shaped groove, the opening direction of the U-shaped groove is opposite to that of the U-shaped piece, and two ends of the U-shaped groove are respectively installed on the two straight rods in a sliding mode. The fixing nuts comprise at least two straight rods, the two fixing nuts are respectively installed on the two straight rods in a threaded mode, the two sides of the U-shaped structure penetrate through an opening formed by matching of the U-shaped piece and the sliding piece, the fixing nuts are rotated until the sliding piece compresses the two sides of the U-shaped structure, and a pull ring is formed at the end portion of the rope body.

In some of these embodiments, the cord tensioner includes a first bracket, a mouth grip, a second bracket, a lead screw, and a handle. The open tongs comprise two open tongs, wherein the two open tongs are respectively provided with a first tong rod and a second tong rod which is connected to the first tong rod at an angle, the two open tongs are symmetrically arranged, and the two first tong rods are respectively rotatably arranged on the first support. The second bracket surrounds the two first clamp rods. The screw rod is installed on the first bracket in a threaded mode and supported on the second bracket. The handle is connected to the screw rod, so that after the two open tongs are respectively clamped with one pull ring, the handle is rotated to enable the screw rod to push the second support to slide towards the direction far away from the first support, and the opening angle of the two open tongs is reduced simultaneously until the rope body is tightened.

In some of these embodiments, the connection mechanism includes a connection link, a connection clasp, and a connection plate. The connecting buckle is hooped on the connecting rod. The connecting plate has and holds the mouth, and the one side that deviates from and hold the mouth of connecting plate has a first connecting hole, and first connecting hole is used for supplying a straight-bar to wear to establish, and the both sides that hold the mouth have a second connecting hole respectively, and two second connecting holes are used for supplying the connecting bolt of connector link to wear to establish respectively for the connecting plate is connected with the buckle, and the connecting rod is connected with the connecting plate through the connector link.

In a second aspect, an embodiment of the present application provides a construction method using the above attachment device, including the following steps: and connecting the connecting mechanism with the tightening mechanism. And tightly hooping the tightening mechanism on the bridge pier stud. The connecting mechanism is connected with the safety crawling ladder to realize the installation of the safety crawling ladder.

In some of these embodiments, the method of use comprises the steps of: and adjusting the length of the rope body according to the perimeter of the bridge pier stud. The two ends of the rope body are respectively formed into a pull ring by adopting a buckle. The connecting rod is connected with the connecting plate by adopting a connecting buckle. And connecting the connecting plate with the buckle. And moving the rope body to a preset position, and then clamping the pull ring by using a rope tightener and tightening the rope body. Adjust the connecting rod to suitable position, then be connected the connecting rod with safe cat ladder, realize the installation of safe cat ladder.

In some of these embodiments, the method of use further comprises the steps of: and separating the tightening mechanism from the bridge pier stud. The attachment mechanism is separated from the fastening mechanism. The connecting mechanism is separated from the safety ladder stand, so that the safety ladder stand is detached.

In some of these embodiments, the method of use further comprises the steps of: and (5) disassembling the euphroe. The connecting plate is separated from the buckle, the connecting rod is separated from the safety ladder stand, and the safety ladder stand is detached.

In some of these embodiments, the rope is wrapped with a wrap tape.

According to this application embodiment provide an anchorage device of bridge pier stud safety cat ladder, including cramp mechanism and coupling mechanism. The tightening mechanism is used for tightening the bridge pier stud. The connecting mechanism is used for connecting the tightening mechanism and the safety ladder stand. The application has the advantages that the embedded parts are not needed to be utilized by the attaching device, the mounting and dismounting are simple, the locking is firm and reliable, and the appearance quality of the pier stud concrete can not be damaged. The application of the attaching device is applicable to pier columns with various cross sections, the applicability is strong, and the attaching device can be reused.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a bridge pier, a safety ladder and an attachment device at a first angle in an embodiment of the application;

FIG. 2 is a schematic structural view of a bridge pier, a safety ladder and an attachment device at a second angle in an embodiment of the present application;

FIG. 3 is a schematic structural view of a cord and a buckle in an embodiment of the present application;

FIG. 4 is a schematic structural view of a buckle in an embodiment of the present application;

FIG. 5 is a schematic view of a rope tensioner in an embodiment of the present application at a first angle;

FIG. 6 is a schematic view of a rope tensioner at a second angle in an embodiment of the present application;

fig. 7 is a schematic structural view of a connection mechanism in the embodiment of the present application.

Detailed description of the preferred embodiment

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Referring to fig. 1-7, the embodiment of the present application provides an attachment device 1 for a safety ladder stand 3 of a bridge pier 2, which comprises a tightening mechanism 10 and a connecting mechanism 11.

Referring to fig. 3-6, a tightening mechanism 10 is provided for tightening a bridge pier 2. The tightening mechanism 10 may include a cord body 100, a buckle 101, and a cord tensioner 102.

Referring to fig. 3, the rope 100 is used to surround the pier stud 2. The rope body 100 may be a steel wire rope. The length of the steel wire rope can be adjusted by the buckles 101 according to the size of the pier stud 2, the steel wire rope is suitable for pier studs 2 of different sizes, and the applicability is high. The steel wire rope has good flexibility, can be tightly attached to the surfaces of pier columns 2 with different sections such as cylindrical piers, square piers, hollow piers and the like, and has strong practicability.

Referring to fig. 4, the two buckles 101 may include at least two buckles 101, and the two buckles 101 are respectively used for locking two sides of a U-shaped structure after two ends of the rope 100 are respectively bent to form the U-shaped structure, so that two ends of the rope 100 respectively form a pull ring. The buckles 101 may include four buckles, each of which is a group, and the two groups of buckles 101 are respectively located at two ends of the rope 100. Clasp 101 can include a U-shaped member 1010, a slider 1011, and a retaining nut 1012.

The U-shaped member 1010 may have two straight parallel bars 1013 and an arc beam 1014 connecting the two straight bars 1013. The arc beam 1014 may have both ends connected to first ends of the two straight rods 1013, the first ends of the two straight rods 1013 may be smoothly disposed, and the second ends may have a certain length of screw thread.

The sliding member 1011 can be located in the opening of the U-shaped member 1010, and can have a U-shaped slot 1015 with an opening direction opposite to the opening direction of the U-shaped member 1010, and two ends of the sliding member can be respectively slidably mounted on the two straight rods 1013. The two ends of the sliding member 1011 may have a sliding hole respectively, and the two sliding holes are respectively sleeved on the first ends of the two straight rods 1013.

The fixing nuts 1012 may include at least two, and the two fixing nuts 1012 may be respectively screw-mounted on the two straight bars 1013. The fixing nut 1012 may include three, two of which are used to push the slider 1011 and the remaining one is used to connect with the connecting plate 112 hereinafter.

After the two sides of the U-shaped structure are inserted into the opening formed by the U-shaped element 1010 and the sliding element 1011, the fixing nut 1012 is rotated until the sliding element 1011 compresses the two sides of the U-shaped structure, and the end of the rope 100 forms a pull ring. The position of the catch 101 on the cable can be adjusted to facilitate the connection of the connection mechanism 11 as described below.

Referring to fig. 5 and 6, the rope tensioner 102 is used to clamp the two pull rings and tighten the rope 100, so that the rope 100 is tightly clamped on the bridge pier 2. The rope tensioner 102 may include a first bracket 1020, an open jaw 1021, a second bracket 1022, a lead screw 1023, and a handle 1024.

The first bracket 1020 may be an i-shaped bracket. The first bracket 1020 may have a screw hole at the center thereof for screw-mounting of the screw rod 1023.

The opening jaw 1021 may comprise two, and the two opening jaws 1021 may each have a first jaw bar 1025 and a second jaw bar 1026 connected at an angle to the first jaw bar 1025. The two open clamps 1021 may further have a third clamp bar 1027 connected to the second clamp bar 1026 at an angle, and at this time, the ends of the two open clamps 1021 are both L-shaped, and can clamp the steel cable to prevent the steel cable from sliding.

The two open pincers 1021 are symmetrically arranged, and the two first pincers 1025 rods 1025 are respectively and rotatably arranged on the first support 1020. The two first plier bars 1025 can be located in the two openings of the i-frame, respectively, and are mounted on either side of the openings via first pins 1028.

The second leg 1022 may wrap around the outside of the two first jaw bars 1025. The second bracket 1022 may include an i-shaped bracket 1029 and two second pins 1030 vertically connected to both sides of the opening of the i-shaped bracket 1029. The two second pins 1030 may be rotatably mounted. The second supporter 1022 may have a limit hole at the center thereof for the insertion of the screw rod 1023, and an inner wall surface of the limit hole has a stepped surface for interference with a stepped surface of an outer peripheral wall of the screw rod 1023 hereinafter, so that the screw rod 1023 is supported on the second supporter 1022.

The lead screw 1023 may be screw-mounted in the first bracket 1020 and supported on the second bracket 1022. Both ends of the screw rod 1023 can be smoothly arranged, and the middle part can be provided with a thread with a certain length. The first end of the screw rod 1023 may be supported on the second bracket 1022, and an outer wall surface of the first end of the screw rod 1023 may have a step surface for abutting against a step surface of an inner circumferential wall of the limiting hole of the second bracket 1022. The middle portion of the screw 1023 is threadedly mounted on the first bracket 1020, and the second end is located on the side of the first bracket 1020 remote from the second bracket 1022.

The handle 1024 may be connected to the screw 1023, and the handle 1024 may have a stem 1031 and a connection sleeve 1032 connected to a middle portion of the stem 1031, and the connection sleeve 1032 may be fitted over a second end of the screw 1023.

The rope tensioner 102 may include a limiting piece 1033, and the limiting piece 1033 may be vertically connected to a first end of the screw rod 1023 for abutting against an outer circumferential surface of the limiting hole, so that the screw rod 1023 pulls the second bracket 1022.

After the two open pincers 1021 clamp a pull ring respectively by the aid of the arrangement, the handle 1024 is rotated, the screw rod 1023 pushes the second support 1022 to slide towards the direction far away from the first support 1020, the opening angle of the two open pincers 1021 is reduced simultaneously until the rope body 100 is tightened, so that the steel wire rope tightly holds the pier stud 2, and the safety performance is good. In addition, the adjustable range of the opening angle of the two opening clamps 1021 is large, and the length of the steel wire rope can be made up for.

Referring to figure 7, attachment means 11 is provided to attach the tightening mechanism 10 to the safety ladder 3. The connection mechanism 11 includes a connection rod 110, a connection buckle 111, and a connection plate 112.

The connecting rod 110 may be a steel pipe.

The connecting link 111 may be hooped on the connecting rod 110. The connecting buckle 111 is of a hoop structure and comprises two U-shaped hoops 1110, the two U-shaped hoops 1110 are arranged oppositely, and two ends of each U-shaped hoop 1110 are connected through a connecting bolt 1111. The connecting plate 112 may have an accommodating hole 1120, and a side of the connecting plate 112 facing away from the accommodating hole 1120 may have a first connection hole 1121, and the first connection hole 1121 is used for a straight rod 1013 to pass through, so that the straight rod 1013 is connected to the above remaining one fixing nut 1012 after passing through the first connection hole 1121. Two sides of the receiving opening 1120 may respectively have a second connecting hole 1122, and the two second connecting holes 1122 are respectively used for a connecting bolt 1111 of the connecting buckle 111 to pass through, so that when the connecting bolt 1111 is connected to the U-shaped hoop 1110, the connecting plate 112 is located between the two U-shaped hoops 1110, and when the two U-shaped hoops 1110 are connected, the formed connecting buckle 111 is connected to the connecting plate 112.

The above arrangement allows the connection plate 112 to be connected to the buckle 101, and the connection rod 110 to be connected to the connection plate 112 via the connection buckle 111.

The embodiment of the application provides a construction method adopting the attaching device 1, which comprises the following steps:

step one, connecting the connecting mechanism 11 with the tightening mechanism 10.

And step two, tightly hooping the tightening mechanism 10 on the bridge pier stud 2.

And step three, connecting the connecting mechanism 11 with the safety ladder stand 3 to realize the installation of the safety ladder stand 3.

Specifically, the use method comprises the following steps:

step a, adjusting the length of the rope body 100 according to the perimeter of the bridge pier stud 2.

Wherein, the rope body 100 can be wrapped in advance by a winding belt to avoid polluting the bridge pier stud 2.

And b, adopting a buckle 101 to enable two ends of the rope body 100 to form a pull ring respectively.

And c, connecting the connecting rod 110 with the connecting plate 112 by using the connecting buckle 111.

And d, connecting the connecting plate 112 with the buckle 101. The rope body 100 is moved to a preset position, and then the rope tensioner 102 is used to catch the pull ring and tighten the rope body 100.

Wherein, the handle 1024 is rotated first to make the two open pincers 1021 clamp the two hanging rings respectively, and then the handle 1024 is rotated until the rope 100 is tightened.

And e, adjusting the connecting rod 110 to a proper position, and then connecting the connecting rod 110 with the safety ladder stand 3 to realize the installation of the safety ladder stand 3.

Wherein, the fixing nut 1012 for connecting the connection plate 112 and the buckle 101 is loosened to rotate the connection rod 110, and the fixing nut 1012 is tightened after rotating to a proper position.

The using method also comprises the following steps:

and step four, separating the tightening mechanism 10 from the bridge pier stud 2.

And step five, separating the connecting mechanism 11 from the fastening mechanism.

And sixthly, separating the connecting mechanism 11 from the safety ladder stand 3 to realize the disassembly of the safety ladder stand 3.

The using method also comprises the following steps:

and f, disassembling the rope tightener 102.

Wherein, the handle 1024 is rotated to make the two opening pincers 1021 release the two hanging rings, so as to realize the detachment of the euphroe 102.

And g, separating the connecting plate 112 from the buckle 101, and separating the connecting rod 110 from the safety ladder stand 3 to realize the disassembly of the safety ladder stand 3.

The connecting plate 112 on one side of the rope body 100 is separated from the buckle 101, the connecting rod 110 on the side is separated from the safety ladder stand 3, the detachment on one side of the rope body 100 is achieved, the connecting rod 110 on the other side of the rope body 100 is separated from the safety ladder stand 3, the connecting plate 112 on the side is separated from the buckle 101, and the detachment on the other side of the rope body 100 is achieved.

The attachment devices 1 may be arranged one at every 3 m.

Compared with the prior art, the embedded part is not required to be arranged, the appearance quality of the concrete is not influenced, and the trouble of post-processing the embedded part is avoided. In addition, the attaching device 1 of the present application can be reused, saving construction costs.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meaning of the above terms according to their specific circumstances.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides an attachment device of bridge pier stud safety cat ladder which characterized in that includes:

the tightening mechanism is used for tightening the bridge pier columns; and

and the connecting mechanism is used for connecting the tightening mechanism and the safety ladder stand.

2. The attachment device for the safety ladder of bridge pier columns as claimed in claim 1, wherein the tightening mechanism comprises:

the rope body is used for surrounding the bridge pier stud;

the two buckles are respectively used for locking two sides of the U-shaped structure after two ends of the rope body are respectively bent to form the U-shaped structure, so that two ends of the rope body are respectively provided with a pull ring; and

and the rope tightener is used for clamping the two pull rings and tightening the rope body, so that the rope body is tightly hooped on the bridge pier stud.

3. The attachment device for the safety ladder of bridge pier stud as claimed in claim 2, wherein the buckle comprises:

the U-shaped part is provided with two parallel straight rods and an arc beam for connecting the two straight rods;

the sliding piece is positioned in the opening of the U-shaped piece, is provided with a U-shaped groove with an opening direction opposite to that of the U-shaped piece, and two ends of the sliding piece are respectively installed on the two straight rods in a sliding mode; and

and the fixing nuts comprise at least two fixing nuts which are respectively installed on the two straight rods in a threaded manner, so that after the two sides of the U-shaped structure are arranged in the opening formed by the matching of the U-shaped piece and the sliding piece in a penetrating manner, the fixing nuts are rotated until the sliding piece compresses the two sides of the U-shaped structure, and the end part of the rope body forms a pull ring.

4. The attaching device for the safety ladder of bridge pier stud as claimed in claim 1, wherein the rope tensioner comprises:

a first bracket;

the two open tongs are respectively provided with a first tong rod and a second tong rod which is connected with the first tong rod in an angled mode, the two open tongs are symmetrically arranged, and the two first tong rods are respectively rotatably installed on the first support;

the second bracket surrounds the outer parts of the two first clamp rods;

the screw rod is installed on the first bracket in a threaded mode and is supported on the second bracket; and

and the handle is connected to the screw rod, so that after the two open tongs are respectively clamped with one pull ring, the handle is rotated, the screw rod pushes the second support to slide towards the direction far away from the first support, and the opening angles of the two open tongs are reduced simultaneously until the rope body is tightened.

5. The attaching device for a safety ladder of a bridge pier of claim 3, wherein the connecting mechanism comprises:

a connecting rod;

the connecting buckle is hooped on the connecting rod; and

the connecting plate has and holds the mouth, the connecting plate deviate from one side that holds the mouth has a first connecting hole, first connecting hole is used for supplying one the straight-bar is worn to establish, the both sides that hold the mouth have a second connecting hole respectively, two the second connecting hole is used for supplying respectively the connecting bolt of connector link is worn to establish, makes the connecting plate with the buckle is connected, the connecting rod warp the connector link with the connecting plate is connected.

6. A construction method using the attaching device according to any one of claims 1 to 5, comprising the steps of:

connecting the connecting mechanism with the tightening mechanism;

tightly hooping the hooping mechanism on the bridge pier stud;

and connecting the connecting mechanism with the safety ladder to realize the installation of the safety ladder.

7. Use according to claim 6, characterized in that it comprises the following steps:

adjusting the length of the rope body according to the perimeter of the bridge pier stud;

the two ends of the rope body are respectively provided with a pull ring by adopting a buckle;

connecting the connecting rod with the connecting plate by using a connecting buckle;

connecting the connecting plate with the buckle;

moving the rope body to a preset position, and then clamping the pull ring by using a rope tightening device and tightening the rope body;

and adjusting the connecting rod to a proper position, and then connecting the connecting rod with the safety ladder stand to realize the installation of the safety ladder stand.

8. Use according to claim 6 or 7, further comprising the steps of:

separating the tightening mechanism from the bridge pier stud;

separating the attachment mechanism from the fastening mechanism;

and separating the connecting mechanism from the safety crawling ladder to realize the disassembly of the safety crawling ladder.

9. The method of use of claim 8, further comprising the steps of:

disassembling the euphroe;

and separating the connecting plate from the buckle, and separating the connecting rod from the safety ladder stand to realize the disassembly of the safety ladder stand.

10. Use according to claim 6 or 7,

the rope body is wrapped by a winding belt.