CN214650184U - Novel pressure steel pipe transportation jacking integrated trolley structure - Google Patents

Abstract

The utility model relates to a novel integrative platform truck structure of pressure steel pipe transportation jacking, platform truck girder including both sides, the crossbeam is connected at the middle part, arc layer board and crossbeam tie-beam, connect the crossbeam through the middle part between the platform truck girder and connect, connect through the crossbeam tie-beam between the crossbeam at the middle part and constitute the platform truck main part, both ends are provided with respectively around the platform truck girder and pull the connecting seat, be provided with the arc layer board on both ends respectively around the platform truck main part, arc layer board internal diameter and pressure steel pipe external diameter phase-match, be equipped with the connection roof on the arc layer board bottom surface, it is equipped with the connection bottom plate to correspond on the middle part tie-beam of downside, connect the roof and be connected through being connected the gusset between the bottom plate and be connected, be provided with jacking board and double round wheel reason gyro wheel on the four corners of platform truck main part top respectively. The utility model is used for pressure steel pipe transportation jack-up pressure steel pipe to installation elevation after taking one's place has effectively solved the difficult condition of pressure steel pipe in-hole transportation supporting construction, pulls the transportation and connects, install the jacking operation comparatively safe.

Description

Novel pressure steel pipe transportation jacking integrated trolley structure

Technical Field

The utility model belongs to the technical field of the pressure steel pipe construction, concretely relates to novel integrative platform truck structure of pressure steel pipe transportation jacking.

Background

The water inlet and outlet of the generator set equipment of the large and medium hydropower station is provided with the metal lining (pressure steel pipe), so that the water inlet and outlet are effectively protected, the service life is prolonged, the operation safety of the generator set is ensured, and the operation efficiency is improved. The hydropower station inlet pressure steel pipe with high water head and large unit capacity is usually designed into a high-strength steel structure with large pipe diameter and thick pipe wall. When the engineering bid is called, the pressure steel pipe manufacturing and installing engineering is a main part of the bid-calling bidding document, and a pressure steel pipe manufacturing and installing construction plan and scheme are made before construction.

Under the normal condition, all procedures of manufacturing the pressure steel pipe in a manufacturing plant are checked and accepted to be qualified, the pressure steel pipe is transported into a tunnel, is unloaded and hoisted on a transport trolley through an unloading hoisting system, is transported to an installation part through a transport traction system, is welded with supporting points on a water blocking ring, a stiffening ring and a thrust ring of the steel pipe, and is jacked and pressure-welded to be reinforced by a jack and then exits from the transport trolley. The method has the advantages of long construction time, large material consumption, high labor intensity, no reliable supporting point for jacking the steel pipe, high operation risk and slow construction progress.

Disclosure of Invention

For overcoming the problem that exists among the background art, the utility model provides a novel integrative platform truck structure of pressure steel pipe transportation jacking for pressure steel pipe transportation back jack-up pressure steel pipe to the installation elevation of taking one's place has effectively solved the difficult condition of pressure steel pipe in-hole transportation supporting construction, pull the transportation connection, installation jacking operation is safe swift, reduce the process, optimize technology, practice thrift construction material, accelerate the construction progress, reduce intensity of labour, the flexible operation is convenient, effectively reduce construction safety risk, and the work efficiency is improved, guarantee the installation quality, practice thrift construction cost, produce better social and economic benefits.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: novel integrative platform truck structure of pressure steel pipe transportation jacking include the platform truck girder of both sides, the crossbeam is connected at the middle part, arc layer board and crossbeam tie-beam, connect through the middle part between the platform truck girder and connect the crossbeam, connect through the crossbeam tie-beam between the crossbeam and constitute the platform truck main part at the middle part, both ends are provided with respectively around the platform truck girder and pull the connecting seat, be provided with the arc layer board respectively on the both ends around the platform truck main part, arc layer board internal diameter and pressure steel pipe external diameter phase-match, be equipped with the connection roof on the arc layer board bottom surface, it is equipped with the connection bottom plate to correspond on the middle part connection crossbeam of downside, connect the roof and be connected through being connected the gusset between the bottom plate and be connected, be provided with the jacking board on platform truck main part top four corners respectively, install double round along gyro wheel on the bottom four corners.

Preferably, the trolley main beam adopts two channel steels as main bodies, the top and the middle part of the two channel steels are respectively connected through a main beam connecting plate and a main beam rib plate, and the wheel rim roller is arranged between the two channel steels through a rotating shaft.

Preferably, the two sides of the jacking plate are respectively fixed on the base plate through the supporting rib plates, the base plate is installed on the trolley main beam, the inner side between the jacking plate and the base plate is connected through the inclined plate, and the top surface of the inclined plate is tangent to the two ends of the arc-shaped supporting plate.

The utility model has the advantages that:

the utility model is used for the difficult condition of pressure steel pipe transportation supporting construction in the hole has effectively been solved to pressure steel pipe transportation back jack-up pressure steel pipe to installation elevation after taking one's place, pulls the transportation and connects, installs jacking operation comparatively safely, reduces the process, optimizes the technology, practices thrift construction material for the construction progress reduces intensity of labour, and the flexible operation is convenient, effectively reduces construction safety risk, improves work efficiency, guarantees installation quality, practices thrift construction cost, produces better social and economic benefits.

Drawings

Fig. 1 is a top view of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a schematic view of the bearing penstock of the present invention.

Fig. 4 is the utility model discloses carry out the reinforced (rfd) schematic diagram of supporting behind the jacking of pressure steel pipe.

In the figure, 1-a traction connecting seat, 2-a trolley main beam, 3-a main beam connecting plate, 4-a main beam rib plate, 5-a middle connecting cross beam, 6-a connecting top plate, 7-a connecting rib plate, 8-an arc-shaped supporting plate, 9-a connecting bottom plate, 10-a cross beam connecting beam, 11-a double-wheel-edge roller, 12-a base plate, 13-a supporting rib plate, 14-an inclined plate, 15-a jacking plate, 16-a tunnel, 17-a track, 18-a jack, 19-a pressure steel pipe and 20-reinforced section steel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.

As shown in fig. 1-2, the novel pressure steel pipe transportation and jacking integrated trolley structure comprises trolley main beams 2 at two sides and a middle connecting cross beam 5, arc layer board 8 and crossbeam tie-beam 10, connect through middle part tie-beam 5 between the platform truck girder 2, connect through crossbeam tie-beam 10 between the middle part tie-beam 5 and constitute the platform truck main part, both ends are provided with respectively around the platform truck girder 2 and pull connecting seat 1, be provided with arc layer board 8 on the both ends around the platform truck main part respectively, 8 internal diameters of arc layer board and pressure steel pipe external diameter phase-match, be equipped with on the 8 bottom surfaces of arc layer board and connect roof 6, it is equipped with connecting bottom plate 9 to correspond on the middle part tie-beam 5 of downside, connect roof 6 and be connected through being connected gusset 7 between the connecting bottom plate 9, be provided with jacking plate 15 on the platform truck main part top four corners respectively, install double round reason gyro wheel 11 on the bottom four corners. The trolley main beam 2 is mainly composed of two channel steels, the top and the middle of the two channel steels are connected through a main beam connecting plate 3 and a main beam rib plate 4 respectively, and the rim idler wheel 11 is installed between the two channel steels through a rotating shaft. Two sides of a jacking plate 15 are respectively fixed on a base plate 12 through supporting rib plates 13, the base plate 12 is installed on a trolley main beam 2, the inner side between the jacking plate 15 and the base plate 12 is connected through an inclined plate 14, and the top surface of the inclined plate 14 is tangent to two ends of an arc-shaped supporting plate 8.

The integrative platform truck structure of pressure steel pipe transportation jacking of this embodiment is used as follows:

according to the construction technical scheme, the pressure steel pipe manufacturing acceptance check work is completed, a hoisting system and a transportation traction system in the tunnel are completed, the hoisting system carries out a bearing test according to requirements, the test load is carried out according to 1.2 times of the maximum hoisting capacity, and after the test, items such as a top anchor, a hoisting point, a steering point, a ground anchor, a pulley block, a steering pulley, a winch, a steel wire rope and the like are checked normally, so that the safety of the hoisting operation in the tunnel is ensured. And continuously preparing equipment and materials required for installation, and arranging an electric welding machine, an air compressor, heating equipment, lighting in the hole, a constructor channel and ventilation equipment. And (5) completing the installation of the trolley track, and checking and accepting to be qualified.

First, as shown in fig. 3, the rail 17 is attached to the bottom of the tunnel 16, and the rail center line and the penstock attaching center line are vertically overlapped. The trolley is suspended on the rail 17 and is connected with the traction winch. The pressure steel pipe 19 is transported into a hole to be unloaded, the steel pipe is hung on a transport trolley, the arc-shaped supporting plate 8 and the inclined plate 14 have a supporting effect on the pressure steel pipe, the axis of the installation mark of the pressure steel pipe is aligned by using a hoisting system, and the pressure steel pipe is prevented from being toppled and reinforced.

Then, as shown in fig. 4, before the steel pipe is transported, the materials, tools and cross-road cables on the transport line are removed, a specially assigned person commands to ensure the transport safety, after the steel pipe is transported in place, the pile number is retested, four jacks 18 with the same type are adopted, the trolley and the pressure steel pipe are simultaneously jacked at the jacking plate 15 of the jack, and the jacking speed is kept synchronous as much as possible during jacking. When the steel pipe is jacked to the installation elevation, the detection elevation and the pile number are qualified, and the water blocking ring, the stiffening ring, the thrust ring and the welding support on the ground on two sides of the trolley and the pressure steel pipe are firmly supported by adopting the reinforced section steel 20.

And secondly, after the steel pipe is supported, the jack is removed, the transport trolley is pulled out, and the reinforcement of the rest parts is completed. And carrying out installation of the next cycle. When the steel pipes are transported and butted, the butt joint gap is gradually pushed to adjust, the installed steel pipes cannot be impacted due to misoperation, and safety accidents are avoided.

Finally, the position of the turning point of the steel pipe transportation can be changed along with the installation progress of the steel pipe and the backfilling condition of the concrete, and the new turning point meets the use requirement. And (4) completing the hoisting acceptance of the pressure steel pipe, timely cleaning equipment, materials and illumination of a concrete backfilling part, dismantling a track of an unnecessary part, and transporting to a warehouse outside a hole for storage. And after all the pressure steel pipes are installed, dismantling hoisting system equipment, transportation system equipment, a pulley block, a steering pulley and a transportation and jacking integrated trolley, and cleaning, maintaining, warehousing and storing the equipment.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (3)

1. The utility model provides a novel integrative platform truck structure of pressure steel pipe transportation jacking which characterized in that: comprises trolley main beams (2) at two sides and a middle connecting crossbeam (5), arc layer board (8) and crossbeam tie-beam (10), connect through middle part connecting beam (5) between platform truck girder (2), connect through crossbeam tie-beam (10) between middle part connecting beam (5) and constitute the platform truck main part, both ends are provided with respectively around platform truck girder (2) pull connecting seat (1), be provided with arc layer board (8) on the both ends around the platform truck main part respectively, arc layer board (8) internal diameter and pressure steel pipe external diameter phase-match, be equipped with on arc layer board (8) the bottom surface and connect roof (6), it is equipped with connection bottom plate (9) to correspond on middle part connecting beam (5) of downside, connect between roof (6) and the connection bottom plate (9) through being connected gusset (7) and connect, be provided with respectively on platform truck main part top four corners jacking board (15), install double round wheel reason gyro wheel (11) on the bottom four corners.

2. The novel pressure steel pipe transportation and jacking integrated trolley structure as claimed in claim 1, wherein: the trolley main beam (2) adopts two channel steels as a main body, the top and the middle part between the two channel steels are respectively connected through a main beam connecting plate (3) and a main beam rib plate (4), and the rim idler wheel (11) is installed between the two channel steels through a rotating shaft.

3. The novel pressure steel pipe transportation and jacking integrated trolley structure as claimed in claim 1, wherein: the two sides of the jacking plate (15) are respectively fixed on the base plate (12) through the support rib plates (13), the base plate (12) is installed on the trolley main beam (2), the inner side between the jacking plate (15) and the base plate (12) is connected through the inclined plate (14), and the top surface of the inclined plate (14) is tangent to the two ends of the arc-shaped supporting plate (8).

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