CN219341487U

CN219341487U - A small-size longmen ship that is used for water intaking head to have cofferdam construction

Info

Publication number: CN219341487U
Application number: CN202320583736.0U
Authority: CN
Inventors: 张凯; 郑仕军; 鉴伟; 刘猛; 孟金强; 杨涛; 祁勇
Original assignee: Railway Battle Preparation; Shandong China Railway Bridge Engineering Co Ltd
Current assignee: Railway Battle Preparation; Shandong China Railway Bridge Engineering Co Ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-07-14
Anticipated expiration: 2033-03-23

Abstract

The utility model is applicable to the technical field of hydraulic engineering, and provides a small-sized gantry ship for cofferdam-free construction of a water taking head, which comprises two standard boat joints; the tops of the two standard boat sections are fixed with a portal frame; the top of the portal frame is bolted with a hoisting assembly; the hoisting assembly comprises a rectangular frame; a U-shaped steel plate is fixed at the top of the rectangular frame; a guide groove is formed in the inner bottom of the U-shaped steel; the inside of the U-shaped steel plate is rotationally connected with a bidirectional threaded rod; the two-way threaded rod is rotationally connected with two moving blocks through threads on the peripheral side surface of the threaded rod; the two moving blocks are in sliding fit with the guide groove; two first rotating columns are fixed at the top of the moving block; the peripheral sides of the two first rotating columns are respectively matched with a rotating arm in a rotating way; two sliding blocks are in sliding fit in the guide groove; the top parts of the two sliding blocks are respectively fixed with a second rotating column; the two second rotating posts are respectively in rotating fit with the two first rotating posts; the guide chain hoist is fixed at the bottom of the moving block, the device realizes the suspension of the assembled welding steel supports with different sizes, the hoisting efficiency of a hoisting system is improved, and the practicability of the device is improved.

Description

A small-size longmen ship that is used for water intaking head to have cofferdam construction

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to a small-sized gantry ship for cofferdam-free construction of a water taking head.

Background

The conventional method for constructing the water intake head needs to construct a cofferdam and then pump water, and then install a water intake pipe and a bottom support. However, the construction of the cofferdam can disturb the river bed at the bottom of the reservoir, and is easy to generate irreversible influence on the water quality of the reservoir. In the cofferdam-free construction process of the water taking head, constructors need to use a small gantry ship, the whole construction efficiency is improved, and certain convenience is provided for the constructors.

At present, small-size longmen ship in market is formed with the equipment of bridge of a boat in many ways, collects multiple uses such as steel support processing is transferred, the accurate location of water intaking head, can build aquatic water intaking pump station under the condition of not beating the cofferdam, and the high quality water intaking water supply effect that reaches, however its in-process of using is at any defect as follows:

the size of the assembled welding steel supports is different, the moving process of the chain hoist in the existing hoisting system is complicated, the distance adjusting process between the chain hoist is complicated, the efficiency in the hoisting process is affected, and the practicability is low.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a small-sized gantry ship for cofferdam-free construction of a water taking head, which can realize the suspension of assembled and welded steel supports with different sizes, improves the hoisting efficiency of the whole hoisting system and improves the practicability of the device.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a small-sized gantry ship for cofferdam-free construction of a water taking head comprises two standard boat sections; and the tops of the two standard boat sections are fixedly provided with portal frames.

The top of the portal frame is bolted with a hoisting assembly; the hoisting assembly comprises a rectangular frame; a U-shaped steel plate is fixed at the top of the rectangular frame; a guide groove is formed in the inner bottom of the U-shaped steel; the inside of the U-shaped steel plate is rotationally connected with a bidirectional threaded rod; the two-way threaded rod is connected with two moving blocks in a threaded rotation manner on the peripheral side surface of the two-way threaded rod; the two moving blocks are in sliding fit with the guide grooves.

Two first rotating columns are fixed at the top of the moving block; the peripheral side surfaces of the two first rotating columns are respectively matched with a rotating arm in a rotating way; two symmetrical sliding grooves are formed in the top of the rectangular frame; two sliding blocks are in sliding fit with the inside of the sliding groove; the top parts of the two sliding blocks are respectively fixed with a second rotating column; the two second rotating posts are respectively in rotating fit with the two first rotating posts; and a chain guide hoist is fixedly arranged at the bottom of the sliding block.

The utility model is further provided with: the outer side surface of the U-shaped steel plate is fixed with a positive motor and a negative motor; the output shafts of the positive and negative motors penetrate through the U-shaped steel plate and extend inwards.

The bidirectional threaded rod is fixedly connected with the output shaft of the positive and negative motor.

The utility model is further provided with: a plurality of rectangular clamping grooves are formed in the bottom of the rectangular frame; the top in the rectangle draw-in groove runs through and has seted up first fixed orifices.

The utility model is further provided with: the portal frame comprises a plurality of HW400 section steel; and the HW400 section steel is fixedly connected with the two standard boat joints through bolts.

Two groups of high pier upright posts are fixed on the tops of the HW400 section steel through bolts; the number of the high pier upright posts in each group is two, and the high pier upright posts are symmetrically arranged; the top of each group of high pier upright posts is provided with a high pier cross post in a clamping way; two first diagonal braces are fixedly bolted between each group of the high pier upright posts and the high pier transverse posts through T-shaped node plates; the top of the high pier cross column is provided with a second fixing hole; the rectangular clamping groove is matched with the high pier transverse column in a clamping way; the second fixing hole and the first fixing hole.

The utility model is further provided with: a plurality of HW400 section steel are spliced to form a rectangular structure; and the HW400 section steel is fixedly connected with the standard boat joint through bolts.

Two second diagonal braces are fixedly connected with the opposite side surfaces of the high pier transverse column and the top of the standard boat joint through T-shaped node plates in a bolting mode.

The utility model is further provided with: and gravity anchors are arranged at the tops of the two standard boat sections.

A plurality of I-steel are distributed at the tops of the HW400 section steel at equal intervals, and the I-steel is fixedly connected with the tops of the HW400 section steel through bolts.

The utility model has the advantages that: according to the utility model, the positive and negative motors are started to drive the two moving blocks to be in sliding fit between the guide grooves, so that the two moving blocks are close to or far away from each other, the two rotating arms which are in rotating fit on the two first rotating posts and the two second rotating posts are driven to relatively expand or contract, and further the two chain hoist are driven to be close to or far away from each other, so that the assembly welding steel supports with different sizes are suspended, the hoisting efficiency of the whole hoisting system is improved, and the practicability of the device is improved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

FIG. 2 is a schematic view of the structure of the standard boat festival and the portal frame of the present utility model.

Fig. 3 is a top view of fig. 2 in accordance with the present utility model.

Fig. 4 is a bottom view of fig. 2 in accordance with the present utility model.

Fig. 5 is a schematic structural view of the lifting assembly of the present utility model.

In the figure: 1. a standard boat section; 2. a portal frame; 3. hoisting the assembly; 4. a rectangular frame; 5. u-shaped steel plates; 6. a guide groove; 7. a two-way threaded rod; 8. a moving block; 9. a first swivel post; 10. a rotating arm; 11. a second swivel post; 12. chain hoist; 13. a forward and reverse motor; 14. a rectangular clamping groove; 15. a first fixing hole; 16. HW400 section steel; 17. a high pier column; 18. a high pier cross column; 19. a second fixing hole; 20. a first diagonal brace; 21. a second diagonal brace; 22. a gravitational anchor; 23. i-steel; 24. a slide block; 25. and a sliding groove.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

Example 1

Referring to fig. 1-5, the present utility model provides the following technical solutions:

in particular to a small-sized gantry ship for cofferdam-free construction of a water taking head, which comprises two standard boat sections 1; the top of the two standard boat sections 1 is fixed with a portal frame 2; the top of the portal frame 2 is bolted with a hoisting assembly 3; the hoisting assembly 3 comprises a rectangular frame 4; a U-shaped steel plate 5 is fixed at the top of the rectangular frame 4; a guide groove 6 is formed in the inner bottom of the U-shaped steel; the inside of the U-shaped steel plate 5 is rotatably connected with a bidirectional threaded rod 7; two moving blocks 8 are connected with the side surface of the bidirectional threaded rod 7 in a threaded rotation manner; the two moving blocks 8 are in sliding fit with the guide grooves 6; two first rotating posts 9 are fixed on the top of the moving block 8; the peripheral side surfaces of the two first rotating columns 9 are respectively provided with a rotating arm 10 in a rotating fit manner; two symmetrical sliding grooves 25 are formed in the top of the rectangular frame 4; two sliding blocks 24 are slidably matched in the sliding groove 25; the top parts of the two sliding blocks 24 are respectively fixed with a second rotating column 11; the two second rotating posts 11 are respectively in rotating fit with the two first rotating posts 9; the bottom of the sliding block 24 is fixedly provided with a chain block 12; the outer side surface of the U-shaped steel plate 5 is fixed with a positive and negative motor 13; the output shaft of the positive and negative motor 13 penetrates through the U-shaped steel plate 5 and extends inwards; the bidirectional threaded rod 7 is fixedly connected with the output shaft of the positive and negative motor 13.

The specific application of this embodiment is: when the assembly welding steel supports with different sizes are needed to be hung, the front and back motor 13 is started to drive the bidirectional threaded rod 7 to rotate, when the bidirectional threaded rod 7 rotates, the two moving blocks 8 are axially rotated and limited through sliding fit between the two moving blocks 8 and the guide groove 6, the two moving blocks 8 connected with the circumferential side surface threads of the bidirectional threaded rod 7 are mutually close to or far away from each other, when the two moving blocks 8 connected with the circumferential side surface threads of the bidirectional threaded rod 7 are mutually close to or far away from each other, the two rotating arms 10 on the two first rotating columns 9 fixed at the tops of the moving blocks 8 and the two second rotating columns 11 fixed at the tops of the two sliding blocks 24 in sliding fit inside the sliding groove 25 are respectively rotated to relatively expand or shrink, and then the chain hoist 12 fixed at the bottoms of the two sliding blocks 24 are driven to mutually close to or far away from each other, so that the assembly welding steel supports with different sizes are hung, the hanging efficiency of the whole hanging system is improved, and the practicability of the device is improved.

Example two

Referring to fig. 1-5, the second embodiment is modified based on the first embodiment, specifically, a plurality of rectangular clamping grooves 14 are formed at the bottom of the rectangular frame 4; the inner top of the rectangular clamping groove 14 is provided with a first fixing hole 15 in a penetrating way; the portal frame 2 comprises a plurality of HW400 section steels 16; the HW400 section steel 16 is fixedly connected with the two standard boat joints 1 through bolts; two groups of high pier upright posts 17 are fixed on the tops of the HW400 section steel 16 through bolts; the number of the high pier upright posts 17 in each group is two, and the high pier upright posts are symmetrically arranged; the top of each group of high pier upright posts 17 is provided with a high pier cross post 18 in a clamping way; two first diagonal braces 20 are fixedly connected between each group of high pier upright posts 17 and high pier transverse posts 18 through T-shaped node plates in a bolting way; the top of the high pier transverse column 18 is provided with a second fixing hole 19; the rectangular clamping groove 14 is matched with the high pier transverse column 18 in a clamping way; the second fixing hole 19 and the first fixing hole 15; a rectangular structure formed by splicing a plurality of HW400 section steels 16; the HW400 section steel 16 is fixedly connected with the standard boat festival 1 through bolts; two second diagonal braces 21 are fixedly bolted to the opposite side surfaces of the high pier transverse column 18 and the top of the standard boat festival 1 through T-shaped node plates; the tops of the two standard boat sections 1 are provided with gravity anchors 22; a plurality of I-steel 23 are distributed at equal intervals on the tops of the HW400 section steels 16, and the I-steel 23 is fixedly connected with the tops of the HW400 section steels 16 through bolts.

One specific application of this embodiment is: after the small-sized gantry ship is assembled, the gravity anchors 22 are thrown down, at this time, the small-sized gantry ship controls the displacement of the small-sized gantry ship by virtue of the tension between the small-sized gantry ship and the gravity anchors 22, then the movement of the gantry ship is controlled by positioning the gravity anchors 22, the whole movement of the small-sized gantry ship is controlled by the gravity anchors 22, after the whole small-sized gantry ship is initially positioned, a plurality of I-shaped steels 23 are distributed at equal intervals on the tops of the HW400 section steels 16, so that an integral assembling platform is formed, then steel supports are assembled and welded on the I-shaped steels, after the steel supports are assembled, a hoisting system formed by the chain hoist 12 is utilized to carry out the lowering of the steel supports, after the steel supports are subjected to the initial setting of concrete, the suspension state is released, and finally the water intake pipe is integrally assembled on the small-sized gantry ship, so that the installation construction of the water intake pipe is completed.

The working principle of the utility model is as follows: firstly, the ground is leveled, the small-size gantry ship is assembled by using a large-tonnage crawler crane, after the small-size gantry ship is assembled, the gravity anchors 22 are thrown down, at this time, the small-size gantry ship is controlled to displace by virtue of the pulling force between the small-size gantry ship and the gravity anchors 22, then the movement of the gantry ship is controlled by positioning the gravity anchors 22, preliminary positioning is carried out, the whole movement of the small-size gantry ship is controlled, after preliminary positioning is carried out on the whole small-size gantry ship, then a plurality of I-steel 23 are distributed at equal intervals on the tops of the HW400 section steel 16, so that an integral assembling platform is formed, when the assembly welding steel supports with different sizes are required to be hung, the front and back motors 13 are started, the sliding fit of the two moving blocks 8 between the guide grooves 6 is driven, the two moving blocks 8 are driven to be close to or far away from each other, the two first rotating columns 9 and the two rotating blocks 10 which are in running fit on the two second rotating columns 11 are driven to be relatively expanded or contracted, the two rotating blocks are driven to be close to or far away from each other, then the hoisting system formed by the guide chains 12 is utilized, the hoisting system is hung down, the small-size steel supports are not welded, the whole concrete is hung down, the assembly is carried out, the assembly construction is carried out, and the concrete assembly is carried out at the end, and the concrete assembly is not has the lower practical condition, and the assembly construction is finished, and the assembly device is realized.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. A small-sized gantry ship for cofferdam-free construction of a water taking head comprises two standard boat joints (1); a portal frame (2) is fixed at the top of each standard boat section (1); the method is characterized in that:

the top of the portal frame (2) is bolted with a hoisting assembly (3); the hoisting assembly (3) comprises a rectangular frame (4); a U-shaped steel plate (5) is fixed at the top of the rectangular frame (4); a guide groove (6) is formed in the inner bottom of the U-shaped steel; the inside of the U-shaped steel plate (5) is rotationally connected with a bidirectional threaded rod (7); two moving blocks (8) are connected to the circumferential side surface of the bidirectional threaded rod (7) in a threaded rotation manner; the two moving blocks (8) are in sliding fit with the guide grooves (6);

two first rotating columns (9) are fixed at the top of the moving block (8); the peripheral sides of the two first rotating columns (9) are respectively provided with a rotating arm (10) in a rotating fit manner; two symmetrical sliding grooves (25) are formed in the top of the rectangular frame (4); two sliding blocks (24) are in sliding fit in the sliding groove (25); the tops of the two sliding blocks (24) are respectively fixed with a second rotating column (11); the two second rotating columns (11) are respectively in rotating fit with the two first rotating columns (9); the bottom of the sliding block (24) is fixedly provided with a chain guide hoist (12).

2. A small-sized gantry ship for cofferdam-free construction of a water intake header according to claim 1, characterized in that: the positive and negative motors (13) are fixed on the outer side surfaces of the U-shaped steel plates (5); the output shaft of the positive and negative motor (13) penetrates through the U-shaped steel plate (5) and extends inwards;

the bidirectional threaded rod (7) is fixedly connected with the output shaft of the positive and negative motor (13).

3. A small-sized gantry ship for cofferdam-free construction of a water intake header according to claim 1, characterized in that: a plurality of rectangular clamping grooves (14) are formed in the bottom of the rectangular frame (4); the inner top of the rectangular clamping groove (14) is provided with a first fixing hole (15) in a penetrating mode.

4. A small-sized gantry ship for cofferdam-free construction of a water intake header according to claim 3, characterized in that: the portal frame (2) comprises a plurality of HW400 section steels (16); the HW400 section steel (16) is fixedly connected with the two standard boat joints (1) through bolts;

two groups of high pier upright posts (17) are fixed at the tops of the HW400 section steel (16) through bolts; the number of the high pier upright posts (17) in each group is two, and the high pier upright posts are symmetrically arranged; the tops of the high pier upright posts (17) of each group are clamped and provided with high pier transverse posts (18); two first diagonal braces (19) are fixedly bolted between each group of high pier upright posts (17) and high pier transverse posts (18) through T-shaped node plates; a second fixing hole (20) is formed in the top of the high pier transverse column (18); the rectangular clamping groove (14) is matched with the high pier transverse column (18) in a clamping way; the second fixing hole (20) and the first fixing hole (15).

5. A small-sized gantry ship for cofferdam-free construction of a water intake header as claimed in claim 4, characterized in that: a rectangular structure formed by splicing a plurality of HW400 section steel (16); the HW400 section steel (16) is fixedly connected with the standard boat joint (1) through bolts;

two second diagonal braces (21) are fixedly bolted to the opposite side surfaces of the high pier cross column (18) and the top of the standard boat section (1) through T-shaped node plates.

6. A small-sized gantry ship for cofferdam-free construction of a water intake header as claimed in claim 5, characterized in that: the tops of the two standard boat sections (1) are provided with gravity anchors (22);

a plurality of I-steel (23) are distributed at the top of the HW400 section steel (16) at equal intervals, and the I-steel (23) is fixedly connected with the tops of the HW400 section steel (16) through bolts.