CN217419357U

CN217419357U - Prestressed corrugated pipe positioning pipe penetrating device

Info

Publication number: CN217419357U
Application number: CN202221381248.3U
Authority: CN
Inventors: 李鹏; 杨竞瑞; 刘栋; 马瀚富; 卢雪芳; 陈波凯; 郭东东; 申思成; 刘�东
Original assignee: Shanxi Installation Group Co Ltd
Current assignee: Shanxi Installation Group Co Ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-09-13
Anticipated expiration: 2032-06-06

Abstract

The application discloses a prestressed corrugated pipe positioning pipe penetrating device, which relates to the technical field of bridge engineering and comprises an adjustable positioning rod, a prestressed corrugated pipe and a power device, wherein the power device is connected with a traction end head of the prestressed corrugated pipe through a steel wire rope, and the adjustable positioning rod comprises a first adjustable pipe hoop, a connecting rod and a second adjustable pipe hoop; the upper end and the lower end of the connecting rod are both rotatably connected with an internal threaded pipe, the internal threaded pipe extends into an inner cavity of the connecting rod, the bottom of the first adjustable pipe hoop and the top of the second adjustable pipe hoop are both welded with screws, and the internal threaded pipes are screwed on the outer walls of the corresponding screws; the outer wall of the internal thread pipe is provided with a first limiting part matched with the screw rod for use, and the upper end and the lower end of the outer wall of the connecting rod are provided with second limiting parts matched with the internal thread pipe for use. This application guarantees to fix a position under the accurate prerequisite, improves the efficiency of construction for the construction progress avoids bridge floor concrete placement to face the winter construction, reduce cost.

Description

Prestressed corrugated pipe positioning pipe penetrating device

Technical Field

The utility model relates to a bridge engineering technical field, concretely relates to prestressing force corrugated pipe location poling ware.

Background

In the main engineering of the bridge, the speed of the corrugated pipe through construction and the accuracy of positioning directly influence the pouring time of the bridge deck concrete and the later tension quality. Conventional construction adopts a large amount of manual works to penetrate the corrugated pipe in the steel reinforcement frame space, carries out the propelling movement while pulling, pulls the completion back, measures, uses steel bar welding fixing tool to fix.

The conventional corrugated pipe penetrating and positioning construction period is long, and the bridge deck concrete pouring can face winter construction, so that the cost is greatly increased. Based on this, we propose a prestressed corrugated pipe positioning pipe penetrating device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the above-mentioned problem that exists among the prior art, provide prestressing force bellows location poling ware, guarantee to fix a position under the accurate prerequisite, improve the efficiency of construction for the construction progress avoids bridge floor concrete placement to face the winter construction, and reduce cost is more advanced and the quality is higher for traditional working method.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

the prestress corrugated pipe positioning pipe penetrating device comprises an adjustable positioning rod, a prestress corrugated pipe and a power device, wherein the power device is connected with a traction end head of the prestress corrugated pipe through a steel wire rope, and the adjustable positioning rod comprises a first adjustable pipe hoop, a connecting rod and a second adjustable pipe hoop;

the upper end and the lower end of the connecting rod are both rotatably connected with an internal threaded pipe, the internal threaded pipe extends into an inner cavity of the connecting rod, the bottom of the first adjustable pipe hoop and the top of the second adjustable pipe hoop are both welded with screws, and the internal threaded pipes are screwed on the outer walls of the corresponding screws;

the outer wall of the internal thread pipe is provided with a first limiting part matched with the screw rod for use, and the upper end and the lower end of the outer wall of the connecting rod are provided with second limiting parts matched with the internal thread pipe for use.

Preferably, the power device is a winch.

Based on the technical characteristics, the fixing device is convenient to fix, low in cost and high in working efficiency.

Preferably, the first adjustable pipe clamp and the second adjustable pipe clamp are made of stainless steel, and the screw is an M10 stainless steel screw.

Based on the technical characteristics, the bearing capacity of the adjustable positioning rod is convenient to improve, and the adjustable positioning rod is durable.

Preferably, the second adjustable pipe clamp is an adjustable pipe clamp with an adjustable range of phi 114-phi 120 mm.

Based on the technical characteristics, the second adjustable pipe clamp is suitable for the prestressed corrugated pipe with the diameter of DN90-DN 100.

Preferably, the traction end of the prestressed corrugated pipe is conical.

Based on the technical characteristics, the threading work of the wave prestressed corrugated pipe is convenient to complete.

Preferably, first locating part and second locating part all constitute by spacing bolt and weld nut, weld nut and spacing bolt spiro union cooperation, weld nut and internal thread pipe welded fastening in the first locating part, the one end that the spacing bolt activity in the first locating part stretched into the internal thread pipe cavity is contradicted with the screw rod and is cooperated.

Based on the technical characteristics, the position of the screw rod after the screw is screwed in the internal thread pipe is convenient to limit and fix.

Preferably, the welding nut in the second locating part is welded and fixed with the connecting rod, and one end of the limiting bolt in the second locating part, which movably extends into the inner cavity of the connecting rod, is in interference fit with the outer wall of the internal threaded pipe.

Based on the technical characteristics, the position of the internal thread pipe after rotating in the connecting rod is convenient to limit and fix.

Preferably, the number of the second limiting members is four, two of the second limiting members are oppositely arranged at the upper end of the outer wall of the connecting rod, and the other two of the second limiting members are oppositely arranged at the lower end of the outer wall of the connecting rod.

Based on the technical characteristics, the position of the internal thread pipe after rotating in the connecting rod is convenient to limit and fix more firmly.

To sum up, the utility model discloses a following at least one beneficial effect:

first, this application is through adopting adjustable locating lever to require according to the drawing to measure prestressing force pipeline relative position to fix, compare the inside measurement of traditional artifical framework of steel reinforcement, improved measurement of efficiency, reduce the operation degree of difficulty, utilize such adjustable tool of adjustable locating lever to fix a position, can guarantee prestressing force pipeline position.

The second, this application utilizes the hoist engine as power device after adjustable locating lever is fixed a position, be connected through the wire rope with the hoist engine and the end that draws of prestressing force bellows, then carry the prestressing force bellows to be convenient for accomplish the threading work of ripples prestressing force bellows, change the work of carrying into mechanical operation like this, pipe joint can handle in framework of steel reinforcement top, avoid narrow and small space construction operation, can directly improve installation positioning efficiency, the reduction of erection time for the construction progress.

To sum up, this application guarantees through adjustable locating lever that the location is accurate under the prerequisite, utilizes the hoist engine to replace manual work, improves the efficiency of construction for the construction progress avoids bridge floor concrete placement to face the winter construction, and reduce cost is more advanced and the quality is higher for traditional working method.

Drawings

Fig. 1 is a schematic view of the structure of the utility model in use;

fig. 2 is a schematic structural view of a prestressed corrugated pipe traction end of the present invention;

fig. 3 is a first schematic structural view of the adjustable positioning rod of the present invention;

fig. 4 is a schematic structural view of the adjustable positioning rod of the present invention;

fig. 5 is a schematic structural view of the first position limiting member of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-adjustable positioning rod, 2-prestressed corrugated pipe, 3-power device, 4-first adjustable pipe hoop, 5-second adjustable pipe hoop, 6-connecting rod, 7-screw rod, 8-first limiting piece, 801-limiting bolt, 802-welding nut, 9-second limiting piece and 10-internal threaded pipe.

Detailed Description

The present invention will be described in further detail with reference to fig. 1 to 5.

Example 1

The utility model provides a pair of embodiment: as shown in fig. 1 and 2, the prestressed corrugated pipe positioning pipe penetrating device comprises an adjustable positioning rod 1, a prestressed corrugated pipe 2 and a power device 3, wherein the power device 3 of the prestressed corrugated pipe 2 is a winch, the winch is connected with a traction end of the prestressed corrugated pipe 2 through a steel wire rope carried by the winch, and the traction end of the prestressed corrugated pipe 2 is conical, so that the threading work of the corrugated pipe 2 is conveniently completed. Compared with another power device, namely an electric hoist, the winch has the advantages of convenience in fixing, low cost, higher running speed than the electric hoist and high working efficiency. According to the actual use condition, the winch is used as a power device, the requirements that the rope containing quantity is larger than or equal to 200m, the running speed is larger than or equal to 10 m/min, and the traction force is larger than or equal to 5Kn are met, and through comparison, the winch with the JJKD-2 model is selected to meet the target requirement of the positioner.

As shown in fig. 3 and 4, the adjustable positioning rod 1 includes a first adjustable pipe clamp 4, a connecting rod 6 and a second adjustable pipe clamp 5, and the first adjustable pipe clamp 4 and the second adjustable pipe clamp 5 are both adjusted in diameter size by tightening or loosening bolts of the first adjustable pipe clamp 4 and the second adjustable pipe clamp 5. The upper and lower both ends of connecting rod 6 are all rotated and are connected with internal thread pipe 10, and internal thread pipe 10 stretches into the inner chamber of connecting rod 6, screw rod 7 has all been welded at the bottom of first adjustable ferrule 4 and the top of the adjustable ferrule 5 of second, internal thread pipe 10 spiro union is on the outer wall of the screw rod 7 that corresponds, stainless steel is all chooseed for use to the adjustable ferrule 5 of first adjustable ferrule 4 and second, be convenient for improve the bearing capacity of adjustable locating lever 1, make adjustable locating lever 1 more durable. The screw 7 is an M10 stainless steel screw, the length is 15cm, and the adjustable length is 10 cm. According to the diameter (DN90-DN100) of the prestressed corrugated pipe 2, the second adjustable pipe hoop 5 adopts an adjustable pipe hoop with the adjustable range of phi 114-phi 120mm, and the adjustable pipe hoop is adjusted and detected before welding.

As shown in fig. 4 and 5, the outer walls of the two sets of internal threaded tubes 10 are provided with first limiting parts 8 used in cooperation with the screws 7, and the upper and lower ends of the outer wall of the connecting rod 6 are provided with second limiting parts 9 used in cooperation with the internal threaded tubes 10. The first limiting part 8 and the second limiting part 9 are both composed of a limiting bolt 801 and a welded nut 802, the welded nut 802 is in threaded fit with the limiting bolt 801, the welded nut 802 in the first limiting part 8 is welded and fixed with the internal threaded pipe 10, one end of the limiting bolt 801 in the first limiting part 8, which movably extends into an inner cavity of the internal threaded pipe 10, is in abutting fit with the screw rod 7, and therefore limiting and fixing are convenient for the position of the screw rod 7 after being in threaded fit in the internal threaded pipe 10.

As shown in fig. 4 and 5, the welding nut 802 in the second limiting member 9 is welded and fixed to the connecting rod 6, and one end of the limiting bolt 801 in the second limiting member 9, which movably extends into the inner cavity of the connecting rod 6, is in interference fit with the outer wall of the internal threaded pipe 10, so as to limit and fix the position of the internal threaded pipe 10 after rotating in the connecting rod 6. The two limiting parts 9 are four in number, wherein two sets of the two limiting parts are oppositely arranged at the upper end of the outer wall of the connecting rod 6, the other two sets of the two limiting parts are oppositely arranged at the lower end of the outer wall of the connecting rod 6, and the two sets of the two limiting parts 9 are respectively arranged at the two ends of the connecting rod 6, so that the position of the internal thread pipe 10 after rotating in the connecting rod 6 is more firmly limited and fixed.

The working principle is as follows:

by adopting the adjustable positioning rod 1 to measure the relative position of the prestressed pipeline according to the drawing requirement and fix, when the adjustable positioning rod 1 is operated, the first adjustable pipe hoop 4 is fixed on the steel bar, the limit bolt 801 in the first limiting piece 8 is screwed and loosened on the welding nut 802, the screw 7 connected with the second adjustable pipe hoop 5 is screwed in the 1 internal thread pipe 10 at the lower end, the screw 7 is conveniently vertically stretched through the screwing action of the screw 7 and the internal thread pipe 10, the position of the second adjustable pipe hoop 5 in the vertical direction is further conveniently adjusted up and down, then the limit bolt 801 in the first limiting piece 8 is screwed and tightened on the welding nut 802, the threaded end of the limit bolt 801 is abutted against the outer wall of the screw 7, and the position of the screw 7 in the internal thread pipe 10 is limited, through screwing and loosening the limiting bolt 801 in the second limiting part 9 on the welding nut 802, the screw 7 and the internal thread pipe 10 are rotated together in the connecting rod 6, the position of the second adjustable pipe hoop 5 in the horizontal direction is adjusted, so that the second adjustable pipe hoop 5 is in the threading direction of the prestress corrugated pipe 2, and similarly, the operation can be performed between the first adjustable pipe hoop 4 and the connecting rod 6, the adjustable performance of the adjustable positioning rod 1 is improved, the traditional artificial steel bar framework internal measurement is compared, the measurement efficiency is improved, the operation difficulty is reduced, the adjustable tool such as the adjustable positioning rod is utilized for positioning, and the prestress pipeline position can be ensured.

After the adjustable positioning rods 1 are positioned, the winch is used as the power device 3, the steel wire rope of the winch is connected with the traction end of the prestressed corrugated pipe 2 (before traction, the traction end of the prestressed corrugated pipe 2 is made into a conical shape), and then the prestressed corrugated pipe 2 is conveyed, so that the threading work of the prestressed corrugated pipe 2 in the second adjustable pipe hoops 5 on each adjustable positioning rod 1 is conveniently completed, the conveying work is changed into mechanical operation, the pipeline joint can be processed above a steel bar framework, the construction work in narrow space is avoided, the installation positioning efficiency can be directly improved, the construction period is shortened, and the construction progress is accelerated.

To sum up, this application guarantees through adjustable locating lever 1 that the location is accurate under the prerequisite, utilizes the hoist engine to replace manual work, and the saving manpower that can be very big improves the efficiency of construction for the construction progress avoids bridge floor concrete placement to face the winter construction, and reduce cost is more advanced and the quality is higher for traditional working method.

The first adjustable pipe clamp 4 and the second adjustable pipe clamp 5 in the above embodiments are well known to those skilled in the art, and are used only without structural and functional changes.

Example 2

Overview of the engineering

A Xiantang mountain tourism highway, a Binhuedong southwestern viaduct engineering. 1244.4 m full line, wherein: constructing a suspension bridge with the bridge length of 327.48 m, the main bridge width of 26 m and the approach bridge width of 18.5 m; the upper structure of the bridge is a cast-in-place prestressed concrete continuous box girder and a self-anchored suspension bridge. The self-anchored suspension bridge is 176 meters long, the bridge is arranged to be 30m +50m +66m +30m, the main bridge is 26 meters wide, and the approach bridge is 18.5 meters wide.

The project is the key project in Xiyan county, the construction period is tight and the task is heavy, and the main project of the bridge is the key project construction point. According to the design of a bridge drawing, a large number of prestressed steel strands are designed on a cross beam, a longitudinal beam and a top plate of a cast-in-place box girder, and after binding of reinforcing steel bars is completed, prestressed corrugated pipes need to be penetrated, and the total length of the prestressed corrugated pipes is 15550 meters.

The construction period of the conventional corrugated pipe penetrating and positioning construction is long, the average construction period is 655 m/day, the corrugated pipe is 15550 m in total, the construction is carried out according to the conventional method, the total time is 24 days, and the concrete pouring is faced with the winter construction. And the first side requires that the corrugated pipe positioning operation must be completed within 15 days, so that the construction of bridge deck concrete pouring in winter is avoided, and the cost is increased.

To the aforesaid condition, adopt the prestressing force bellows location poling ware of this application.

Effect inspection

1. Inspection of objects

In the application process, firstly, the BIM technology is adopted to carry out drawing positioning height calculation simulation, and locator arrangement numbering is carried out before drawing; and the site construction process is accurately adjusted according to the simulation number.

After the technical process is applied, the positioning precision of the prestressed pipeline is greatly improved, the average construction speed is 1200 m/day, the total time for completing the installation of the corrugated pipe in the project is 13 days, the target requirement is met, and the target is completed in an excess manner.

2. Examination of economic efficiency

The construction method of the prestressed corrugated pipe positioning pipe penetrating device is adopted, the cost is saved by 113600 yuan, the construction period target required by the Party A is completed, and the main bridge concrete is poured in advance.

3. Safety and quality benefit

(1) Compare traditional technology, prestressing force bellows location poling ware shifts a large amount of operational risk, safety risk to bridge floor construction, reduces operating time in the personnel's framework of steel reinforcement, has improved the operation security.

(2) The prestress corrugated pipe is positioned and the pipe penetrating device is constructed and installed, so that the risk of manual operation errors is reduced, the one-time yield is high, and the quality activity effect is considered to be outstanding.

4. Social benefits

(1) By using the prestressed corrugated pipe positioning pipe penetrating device, the engineering progress is accelerated, the engineering quality is improved, and the construction unit and the supervision unit are consistently approved.

(2) During engineering construction, the construction process of the prestressed corrugated pipe positioning pipe penetrating device is studied and studied by visiting projects of relevant bridge sections of the Xiantang mountain tourism highway, and is greatly inspired.

Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Prestressing force bellows location poling ware, including adjustable locating lever (1), prestressing force bellows (2) and power device (3), power device (3) are connected its characterized in that through the end of drawing of wire rope with prestressing force bellows (2): the adjustable positioning rod (1) comprises a first adjustable pipe hoop (4), a connecting rod (6) and a second adjustable pipe hoop (5);

the upper end and the lower end of the connecting rod (6) are rotatably connected with an internal threaded pipe (10), the internal threaded pipe (10) extends into an inner cavity of the connecting rod (6), screw rods (7) are welded at the bottom of the first adjustable pipe hoop (4) and the top of the second adjustable pipe hoop (5), and the internal threaded pipe (10) is in threaded connection with the outer wall of the corresponding screw rod (7);

the outer wall of two sets of internal thread pipe (10) all is provided with first locating part (8) that cooperatees and use with screw rod (7), both ends are provided with second locating part (9) that cooperate and use with internal thread pipe (10) about the outer wall of connecting rod (6).

2. The pre-stressed bellows positioning tubing penetrator of claim 1, wherein: the power device (3) is a winch.

3. The pre-stressed bellows positioning rodder of claim 1, wherein: the first adjustable pipe hoop (4) and the second adjustable pipe hoop (5) are made of stainless steel, and the screw (7) is an M10 stainless steel screw.

4. The pre-stressed bellows positioning tubing penetrator of claim 1, wherein: the second adjustable pipe hoop (5) is an adjustable pipe hoop with an adjustable range of phi 114-phi 120 mm.

5. The pre-stressed bellows positioning rodder of claim 1, wherein: the traction end of the prestressed corrugated pipe (2) is conical.

6. The pre-stressed bellows positioning tubing penetrator of claim 1, wherein: first locating part (8) and second locating part (9) all comprise stop bolt (801) and welded nut (802), welded nut (802) and stop bolt (801) spiro union cooperation, welded nut (802) and internal thread pipe (10) welded fastening in first locating part (8), stop bolt (801) activity in first locating part (8) is stretched into the one end in internal thread pipe (10) inner chamber and is contradicted with screw rod (7) and cooperate.

7. The pre-stressed bellows positioning tubing penetrator of claim 6, wherein: and a welding nut (802) in the second limiting part (9) is welded and fixed with the connecting rod (6), and one end, which movably extends into the inner cavity of the connecting rod (6), of a limiting bolt (801) in the second limiting part (9) is in interference fit with the outer wall of the internal threaded pipe (10).

8. The pre-stressed bellows positioning tubing penetrator of claim 1, wherein: the number of the second limiting parts (9) is four, wherein two sets of the second limiting parts are oppositely arranged at the upper end of the outer wall of the connecting rod (6), and the other two sets of the second limiting parts are oppositely arranged at the lower end of the outer wall of the connecting rod (6).