CN215709435U

CN215709435U - But pressure steel pipe conveyer of angle regulation and elevation in tunnel

Info

Publication number: CN215709435U
Application number: CN202120727711.4U
Authority: CN
Inventors: 马宁; 张小超; 莫新海; 石二朋; 袁蕾; 吕静
Original assignee: Beijing Urban and Rural Construction Group Co Ltd
Current assignee: Beijing Urban and Rural Construction Group Co Ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2022-02-01
Anticipated expiration: 2031-04-09

Abstract

The utility model relates to a pressure steel pipe conveying device capable of adjusting angle and elevation in a tunnel. The pressure steel pipe transportation device at least comprises a first transportation platform and a second transportation platform, the sides of the first transportation platform and the second transportation platform far away from the ground are movably connected through a central supporting element, the central supporting element is provided with a guide part which is composed of a plurality of guide telescopic elements and guide supporting elements, the ends of the guiding telescopic elements and the guiding support elements movably connected with the central support element are uniformly distributed along the circumferential surface of the central support element, the other end of the guide telescopic element, which is far away from the central support element, is hinged to the guide support element, which is far away from the central support element, in a manner that the included angle between the guide support element and the central support element can be adjusted at least through the guide telescopic element so as to improve the efficiency of the alignment of the pressure steel pipe.

Description

But pressure steel pipe conveyer of angle regulation and elevation in tunnel

Technical Field

The utility model relates to the technical field of transportation equipment, in particular to a pressure steel pipe transportation device capable of adjusting an angle and an elevation in a tunnel.

Background

The pressure steel pipe is a pressure-bearing dredging device which is widely applied in engineering practice, and the application is increasingly wide along with the continuous development of the performance of the pressure steel pipe. The high-pressure-resistant drainage device has the advantages of high pressure resistance, high corrosion resistance, rapidness and convenience in installation and the like, and plays a key role in reducing potential energy loss by pressure-resistant drainage in hydroelectric engineering projects. However, in the actual hydroelectric engineering project, the pressure steel pipes are all installed in the tunnel, and due to the limitations and constraints of construction environment, construction conditions, construction cost and the like and the influence of the weight of the steel pipes, the transportation and installation of the pressure steel pipes in the tunnel are very difficult, so that the transportation work of a novel trolley device special for large-tonnage steel pipes needs to be developed and designed. At present, although a plurality of transportation devices are provided for steel tube trolleys, most of the transportation devices are applied to small volume and light weight. Furthermore, in an environment where the transportation space is relatively sufficient, it is also not applicable to the construction conditions described above. Therefore, based on the above analysis and technical features, a new pressure steel pipe transportation device needs to be developed and designed for specific environments.

For example, chinese patent publication No. CN111455945A discloses a special trolley suitable for a large-diameter pressure pipe in a diversion tunnel, which is used to solve the problem of difficulty in transporting and installing the large-diameter pressure pipe in the tunnel. This platform truck includes traveling system, the girder, braced system, hydraulic system and electrical control system, traveling system is including the walking wheelset, hydraulic motor and supporting platform, supporting platform's left side is provided with the counter weight system, braced system includes the support frame, support frame running gear, horizontal support arm and longitudinal support arm, be fixed with support frame walking hydraulic cylinder on the girder, support frame walking hydraulic cylinder's flexible end with support running gear fixed connection, horizontal support arm symmetric distribution is in the left and right sides of support frame, the vertical upper portion that sets up at the support arm of longitudinal support arm. The beneficial technical effects of the utility model comprise: 1) the trolley can meet the transportation of the steel pipes in the holes, and can solve the problem of quick adjustment and installation of the steel pipes in place; 2) the relative positions of the support frame and the main beam and the weight and the position of the counterweight system are adjusted to meet the requirements of pipe transportation with different lengths and weights; 3) the length of the supporting arm can be adjusted, so that the loading requirements of pipe fittings with different diameters can be met; 4) the trolley can meet the transportation of a single section of steel pipe in a hole, and can also be used by two same trolleys in a matched mode at the same time to transport and install long-sized and heavy pipe fittings. However, the utility model still has the following technical defects: this special platform truck can utilize traveling wheel group of traveling system to turn to and adjust and treat the position that the pipeline of installing is located the tunnel, however when the tunnel with treat that the clearance between the pipeline of installing is less, because special platform truck can only turn to and be located the traveling wheel group of its rear and can not adjust together through the traveling wheel group adjustment that is located the special car the place ahead, therefore need adjust the turning to of the wheel group that is located the special car the place ahead many times repeatedly to lead to treating the pipeline of installing and having installed the pipeline when installing major diameter pipeline in the minor diameter tunnel and counterpoint fast. Therefore, improvement is necessary to overcome the disadvantages of the prior art.

Furthermore, on the one hand, due to the differences in understanding to the person skilled in the art; on the other hand, since the inventor of the present invention studied a lot of documents and patents at the time of making the present invention, but the space limit did not list all details and content in detail, however, this by no means does the present invention not have these prior art characteristics, but on the contrary the present invention has all the characteristics of the prior art, and the applicant reserves the right to increase the related prior art in the background art.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a pressure steel pipe conveying device capable of adjusting the angle and the elevation in a tunnel. The pressure steel pipe conveying device at least comprises a first conveying platform and a second conveying platform. The side, far away from the ground, of the first transportation platform and the second transportation platform is movably connected through a central supporting element. The center support member is provided with a guide portion. The guide part is composed of a plurality of guide telescopic elements and guide supporting elements. The end of the guiding telescopic element, the end of the guiding support element, which is movably connected with the central support element, are uniformly distributed along the circumferential surface of the central support element. Under the condition that the central support element can support a pressure pipeline to be installed, the other end, far away from the central support element, of the guide telescopic element is hinged to the other end, far away from the central support element, of the guide support element in a manner that the end, far away from the central support element, of the guide support element is at least capable of being abutted to the inner wall of the installed pressure steel pipe through the guide telescopic element and adjusting the included angle between the guide support element and the central support element at the same time, and the circle center of a circular ring formed by the guide support elements is located on the central axis of the installed pressure steel pipe so as to improve the alignment efficiency of the pressure steel pipe.

According to a preferred embodiment, the end of the guide support element remote from the central support element is provided with a wheel set element in such a way that the guide support element bears against the inner wall of the pressure conduit in a rolling connection. The wheel set element is pivotally hinged to an end of the guide support element remote from the central support element.

According to a preferred embodiment, the first transport platform and one second transport platform are each provided with an omni-wheel element. The omni-wheel element is movably connected to the ground-facing side of the first transportation platform and/or the second transportation platform in a manner that the moving direction of the first transportation platform and/or the second transportation platform can be switched between a first direction and a second direction through the omni-wheel element at least so as to realize that the first transportation platform and/or the second transportation platform can move longitudinally and/or transversely in the tunnel to improve the efficiency of pipeline alignment.

According to a preferred embodiment, the sides of the first transport platform and the second transport platform facing away from the ground are provided with a first lifting element and a second lifting element, respectively, in such a way as to be able to lift the central support element. The first lifting element and one end of the second lifting element, which is far away from the ground, are detachably connected through a central supporting element.

According to a preferred embodiment, the first transport platform and/or the second transport platform is provided with at least one power element in such a way that it is capable of driving the omni-wheel element. The output of the power element can be connected in a geared manner at least via a transmission shaft in rotation with the omni-wheel element.

According to a preferred embodiment, a plurality of main support elements are connected to the central support element in such a way that they can support the penstock. The ends of the main support elements close to the central support element are evenly distributed along the circumferential surface of the central support element.

According to a preferred embodiment, the end of the main support element remote from the central support element is provided with a telescopic element in such a way as to be able to support penstocks of different pipe diameters. The telescopic element is connected to an end of the main support element remote from the central support element in the axial direction of the central support element.

According to a preferred embodiment, the end of the telescopic element remote from the central support element is provided with a damping element in such a way as to prevent damage to the inner wall of the penstock. The cushioning element is connected to an end of the telescopic element remote from the central support element in a direction perpendicular to the axial direction of the telescopic element.

According to a preferred embodiment, the first lifting element and the second lifting element are provided with rotating elements at one ends close to the central supporting element in a manner that the central supporting element can rotate around the central axis of the central supporting element so as to adjust the installation angle of the pressure steel pipe. The central support member is pivotally connected to the rotating member proximate an end of the first and/or second lifting member.

According to a preferred embodiment, the first transport platform and/or the second transport platform are provided with at least one hydraulic power element in such a way that it is at least able to provide driving power for the telescopic element. The hydraulic power element can be connected to the telescopic element by means of a hydraulic conduit.

The beneficial technical effects of the utility model at least comprise:

pressure steel pipe conveyer includes a first transportation platform and a second transportation platform at least, first transportation platform and second transportation platform keep away from one side on ground and pass through central support component detachably and connect, central support component is provided with a plurality of guide parts, the guide part comprises direction telescopic element and direction support component, the guide part is connected in central support component's circumferential surface movably, can support the inner wall that the pressure steel pipe was installed so that the centre of a circle of direction support component place ring is located the center axis of the pressure steel pipe of treating the counterpoint through stretching the direction telescopic element in the inside of installing the pressure steel pipe, thereby be convenient for treat that installation pressure pipeline and installed pressure steel pipe counterpoint, the efficiency of pipeline counterpoint has been improved.

Drawings

FIG. 1 is a simplified schematic diagram of a preferred embodiment of the present invention;

figure 2 is a simplified schematic view of a preferred embodiment of an omni-wheel element of a first transport platform of the present invention;

FIG. 3 is a simplified schematic view of a preferred embodiment of the main support element of the present invention.

List of reference numerals

1: the first transport platform 2: the second transport platform 3: center support element

4: the guide part 5: omni-wheel element 6: a first lifting element

7: second elevating element 8: the power element 9: main support element

10: the rotating member 11: hydraulic power element 4 a: guiding telescopic element

4 b: guide support member 4 c: wheel set element 9 a: telescopic element

9 b: buffer element

Detailed Description

The following detailed description is made with reference to the accompanying drawings.

As shown in fig. 1, a pressure steel pipe transportation device capable of adjusting angle and elevation in a tunnel at least comprises a first transportation platform 1 and a second transportation platform 2. The sides of the first transport platform 1 and the second transport platform 2 facing away from the ground are movably connected by a central support element 3. The core backing component 3 is provided with a guide 4. The guide portion 4 is composed of a plurality of guide telescopic members 4a and guide support members 4 b. The ends of the guiding telescopic elements 4a and the guiding support elements 4b that are movably connected with the central support element 3 are evenly distributed along the circumferential surface of the central support element 3. Under the condition that the central supporting element 3 can support the pressure pipeline to be installed, the other end of the guiding telescopic element 4a, which is far away from the central supporting element 3, is hinged to the other end of the guiding supporting element 4b, which is far away from the central supporting element 3, in a manner that the end, which is far away from the central supporting element 3, of the guiding telescopic element 4a can at least abut against the inner wall of the installed pressure steel pipe through the guiding telescopic element 4a and simultaneously adjust the included angle between the guiding supporting element 4b and the central supporting element 3, and the circle center of a circular ring formed by the guiding supporting elements 4b is located on the central axis of the installed pressure steel pipe so as to improve the efficiency of pressure steel pipe alignment. Preferably, the guide 4 may be provided at least one end of the center support member 3. Preferably, the guide 4 may be provided at an end of the central support element 3 close to the pipe to be installed. Preferably, the guide portion 4 may be movably connected to the circumferential surface of the center support member 3. Preferably, the guide portion 4 is constituted by a guide telescopic member 4a and a guide support member 4b in such a manner that the guide portion 4 can be extended or contracted. Preferably, the guide telescopic member 4a may be movably coupled to the guide support member 4b by a rotation shaft. Preferably, the guiding telescopic element 4a can be of the known art, for example, a telescopic hydraulic cylinder of the type 3TG-112X785-16MPa can be used. Preferably, the end of the guiding telescopic element 4a remote from the central support element 3 is movably connected with the guiding support element 4b by a rotating shaft. Preferably, the number and arrangement of the guiding telescopic elements 4a and the guiding support elements 4b can be flexibly set according to actual scenes. Preferably, the number of the guide telescopic elements 4a and the guide support elements 4b may be five each. Preferably, the plurality of guide telescopic elements 4a can be simultaneously telescopic to ensure that the ends of the plurality of guide support elements 4b remote from the central support element 3 can form a circular ring. Preferably, the guide 4 of the first transport platform 1 may be movably connected to the end of the central support element 3 remote from the second transport platform 2. Through the configuration mode, the guiding and supporting element 4b is abutted against the inner wall of the installed pressure steel pipe by stretching the guiding telescopic element 4a, so that the circle center of the circular ring where the guiding and supporting element 4b is located on the central axis of the pressure steel pipe to be aligned, and therefore one-time alignment is facilitated, and the efficiency of aligning the pressure pipeline to be installed and the installed pressure steel pipe is improved.

According to a preferred embodiment, the end of the guiding support element 4b remote from the central support element 3 is provided with a wheel set element 11c in such a way that the guiding support element 4b bears against the inner wall of the pressure conduit in a rolling connection. The wheel set element is pivotally hinged to the end of the guide support element 4b remote from the central support element 3. Preferably, the wheel set element 4c is rotatably connected to the end of the guide support element 4b remote from the central support element 3. Preferably, the wheel set element 4c may be a common cardan wheel.

According to a preferred embodiment, as shown in fig. 2, both the first transport platform 1 and one of the second transport platforms 2 are provided with omni-wheel elements 5. The omni-wheel element 5 is movably connected to the ground-facing side of the first transport platform 1 and/or the second transport platform 2 in a manner that enables the first transport platform 1 and/or the second transport platform 2 to move longitudinally and/or laterally within the tunnel to improve the efficiency of pipe alignment by at least switching the moving direction of the first transport platform 1 and/or the second transport platform 2 between a first direction and a second direction via the omni-wheel element 5. Preferably, the omni-wheel member 5 may be powered by an electric motor. Preferably, the omni wheel element 5 may be of the prior art, for example a cast ninety degree omni wheel of large load of the model QLM-20. Meanwhile, since the driving and controlling technology of the omni-wheel element 5 is the prior art, a person skilled in the art can easily search and master the corresponding technical data, so the driving and controlling principle of the omni-wheel element 5 will not be described herein again, and the driving and controlling technology of the omni-wheel element 5 is not required to be protected. Preferably, the motor may be rotatably connected to the omni-wheel member 5 by a drive shaft in gear engagement. Preferably, the motor may drive the omni-wheel element 5 using a synchronous belt drive. Preferably, the motor may be of the prior art, for example, a motor model Y315M-4 may be used. Preferably, the power of the motor is flexibly selected according to the actual requirements so that the omni-wheel element 5 can reach the required speed of movement. Preferably, the moving speed of the omni-wheel element 5 may be zero to forty meters/minute. Preferably, the moving speed of the omni-wheel element 5 can be set artificially according to the requirements. Preferably, the first direction may be a direction parallel to an axial direction of the tunnel. Preferably, the second direction may be a direction perpendicular to the tunnel axial direction. Preferably, the number of the first and

second transportation platforms

1 and 2 may be plural. Preferably, the first transport platform 1 and the second transport platform 2 can adjust the installation axis of the pipeline to be installed in a manner of being moved transversely in a direction perpendicular to the axial direction of the tunnel at the same time. In addition, the radius of the curve section of the tunnel in which the present invention can operate is not limited, and for example, the radius of the curve section of the tunnel may be four hundred meters. Through the configuration mode, when a large-diameter steel pipe is transported in a small-diameter tunnel, the moving direction of the first transportation platform 1 and/or the second transportation platform 2 can be quickly switched between the first direction and the second direction through the omnidirectional wheel element 5, and then the omnidirectional wheel element 5 is moved forwards or backwards through adjusting the motor driving the omnidirectional wheel element 5 to operate, so that the omnidirectional wheel element 5 moves forwards and backwards, and the first transportation platform 1 and the second transportation platform 2 can move longitudinally or transversely in the tunnel at the same time; meanwhile, the first lifting element 6 and the second lifting element 7 can be matched, and the first lifting element 6 and/or the second lifting element 7 can be lifted to adjust the installation elevation of the pipeline to be installed, so that the efficiency of the pipeline alignment, the pipeline installation and other work is improved finally.

According to a preferred embodiment, the sides of the first transport platform 1 and of the second transport platform 2 remote from the ground are provided with a first lifting element 6 and a second lifting element 7, respectively, in such a way as to be able to facilitate the lifting of the central support element 3. Preferably, the first lifting element 6 and the end of the second lifting element 7 remote from the ground are removably connected by the central support element 3. Preferably, the first lifting element 6 and the second lifting element 7 can be used for adjusting the installation elevation of the steel pipe. Preferably, the lifting element may be of the prior art, for example a hydraulic lifting cylinder of the RC100 series type may be used. Preferably, the first lifting member 6 and the second lifting member 7 can lift the penstock to be installed by lifting the central support member 3. Preferably, the lifting strokes of the first lifting element 6 and the second lifting element 7 can be flexibly selected according to actual requirements. For example, the lifting stroke of the first lifting member 6 and the second lifting member 7 may be zero to four hundred millimeters. By this arrangement, the installation level of the transported pipeline can be adjusted by the first lifting member 6 and the second lifting member 7.

According to a preferred embodiment, the first transport platform 1 and/or the second transport platform 2 are provided with at least one power element 8 in such a way that they can drive the omni-wheel element 5. The output of the power element 8 can be connected in rotation at least via a transmission shaft in a geared manner with the omni-wheel element 5. Preferably, both the first transport platform 1 and the second transport platform 2 may be provided with a power element 8. Preferably, the power element 8 may be an electric motor. Preferably, the motor may be of the prior art, for example a permanent magnet brushless dc motor of the YP100 series type may be used.

According to a preferred embodiment, as shown in fig. 3, a plurality of main support elements 9 are attached to the central support element 3 in such a way as to be able to support the penstock. The ends of the main support elements 9 close to the central support element 3 are evenly distributed along the circumferential surface of the central support element 3. Preferably, the main support element 9 is movably connected to the central support element 3. Preferably, the main support element 9 may be made of a metal material. Preferably, the main support element 9 may be cylindrical. Preferably, the main support element 9 may be perpendicular to the central support element 3. Preferably, the number of main support elements 9 may be multiple. Preferably, the main support elements 9 may be detachably connected to the circumferential surface of the central support element 3 at angular intervals. Preferably, the direction of the main support element 9 may be perpendicular to the axial direction of the central support element 3. Preferably, the number of main support elements 9 may be multiple. Preferably, the main support element 9 may be detachably connected to the circumferential surface of the central support element 3.

According to a preferred embodiment, the end of the main support element 9 remote from the central support element 3 is provided with telescopic elements 9a in such a way as to be able to support penstocks of different pipe diameters. The telescopic element 9a is connected to the end of the main support element 9 remote from the central support element 3 in the axial direction of the central support element 3. Preferably, the telescopic element 9a is movably connected to one end of the main supporting element 9 close to the penstock. Preferably, the telescopic element 9a can be of the known art, for example, a telescopic hydraulic cylinder of the type 3TG-112X785-16MPa can be used. Preferably, the telescopic stroke of the telescopic element 9a can be flexibly selected according to actual requirements. For example, the telescopic travel of the telescopic element 9a may be zero to one hundred millimetres.

According to a preferred embodiment, the end of the telescopic element 9a remote from the central support element 3 is provided with a buffer element 9b in such a way as to prevent damage to the inner wall of the penstock. The damping element 9b is connected to the end of the telescopic element 9a remote from the central support element 3 in a direction perpendicular to the axial direction of the telescopic element 9 a. Preferably, the cushioning element 9b may be removably attached to the end of the telescopic element 9a remote from the central support element 3. Preferably, the shape of the buffer member 9b can be flexibly set according to the requirements of the actual scene. Preferably, the damping element 9b may be rectangular. Preferably, the area of the cushioning element 9b in contact with the pressure conduit is larger than the cross-sectional area of the telescopic element 9 a. Preferably, the buffer member 9b may be a common metal plate.

According to a preferred embodiment, the ends of the first lifting element 6 and the second lifting element 7 close to the central support element 3 are each provided with a rotation element 10 in such a way as to enable the central support element 3 to rotate about its central axis to adjust the installation angle of the penstock. The end of the central support element 3 close to the first lifting element 6 and/or the second lifting element 7 is pivotally connected to a rotating element 10. Preferably, the rotating element 10 may be powered by a hydraulic motor. Preferably, the rotary element 10 may be of the prior art, for example, a hydraulic motor of the type A2FM80/61W-PAB029 may be used. Preferably, the rotation speed and the adjustment range of the rotating element 10 can be flexibly selected according to actual requirements. For example, the rotational speed of the rotary member 10 may be 0.25r/min, and the adjustment range may be zero to three hundred and sixty degrees. Through this configuration, can make the rotation of center support element 3 carry out three hundred sixty degrees along its axial at least through rotary element 10, and then adjust the installation angle of the pressure steel pipe of transporting through center support element 3 to the subsequent installation fixed work of pressure steel pipe.

According to a preferred embodiment, the first transport platform 1 and/or the second transport platform 2 are provided with at least one hydraulic power element 11 in such a way that it is at least able to provide driving power for the telescopic elements 9 a. The hydraulic power element 11 can be connected to the telescopic element 9a by means of hydraulic conduits. Preferably, the number of the hydraulic power elements 11 may be two. Preferably, both the first transport platform 1 and the second transport platform 2 may be equipped with hydraulic power elements 11. Preferably, the flow rate and the system pressure provided by the hydraulic power element 11 can be flexibly set according to actual requirements, for example, the flow rate provided by the hydraulic power element 11 can be 50L/min, and the system pressure can be 16 MPa. Preferably, the hydraulic power unit 11 may be of the prior art, for example, an electrically powered hydraulic pump of type PE10 may be used. Preferably, the telescopic element 9a and the hydraulic power element 118 may convey hydraulic oil through metal hydraulic pipes. Preferably, the first transport platform 1 and/or the second transport platform 2 are provided with counterweight elements in such a way that counterweight adjustment can be performed to maintain the balance of the first transport platform 1 and/or the second transport platform 2. Preferably, the weight element may be movably connected to the side of the first transport platform 1 and/or the second transport platform 2 facing away from the ground. Preferably, the weight element may be a common metal block. Preferably, the weight of the weight element can be flexibly selected according to the actual requirements. Preferably, the mounting position of the weight element can also be flexibly selected according to the actual requirements to maintain the balance of the first transport platform 1 and/or the second transport platform 2.

To facilitate understanding of the working principle of the present embodiment, the working process of the present invention is briefly described as follows: firstly, an upper wood is laid on the lower part of the steel pipe to be transported to avoid the sling of the crane. And then, removing the cross brace at the end of the steel pipe to check and adjust the roundness of the steel pipe. For example, the difference in diameter between the steel pipes is not more than 5D/1000 and not more than 40 mm. Then, hoisting the approach steel pipe to a specified position by using a crane, wherein the flexible linear sling can be used for hoisting. Next, the main support element 9 and the guide 4 are retracted. The first transport platform 1 is then passed out of the steel pipe to be transported by means of the omni-wheel element 5. Wherein the first transportation platform 1 is closer to the installed pipeline, and the second transportation platform 2 is further from the installed pipeline. And then, extending the guide part 4 of the first transportation platform 1 into the pipe orifice of the steel pipe to be transported. Then, the guide part 4 of the first transportation platform 1 is stretched into the pipe orifice of the steel pipe to be transported, and the guide support element 4b is propped against the inner wall of the installed pressure steel pipe by stretching the guide telescopic element 4a, so that the circle center of the ring where the guide support element 4b is located on the central axis of the pressure steel pipe to be aligned, and the alignment between the pressure pipeline to be installed and the installed pressure steel pipe is facilitated; meanwhile, the difficulty of pipeline alignment is also reduced. Thereafter, the hydraulic motor is actuated to extend the telescopic member 9a of the main support member 9 to support the inner wall of the steel pipe to be transported. Thereafter, the lifting elements of the first transport platform 1 are retracted so that the first transport platform 1 is lifted off the ground or shield disc. Then, the moving direction of the first transportation platform 1 and/or the second transportation platform 2 can be quickly switched between the first direction and the second direction through the omnidirectional wheel element 5, and then the omnidirectional wheel element 5 is moved forward or backward by adjusting a motor driving the omnidirectional wheel element 5 to operate, so that the first transportation platform 1 and the second transportation platform 2 can move left or right in the tunnel in the direction perpendicular to the axial direction of the tunnel; meanwhile, the first lifting element 6 and the second lifting element 7 can be matched, the first lifting element 6 and/or the second lifting element 7 can be lifted to adjust the installation elevation of the pipeline to be installed, and the pipeline to be installed and the installed pipeline can be aligned quickly. After that, the second transport platform 2 is slowly driven forward. After the steel pipe to be installed is positioned and fixed, the first transporting platform 1 is slowly withdrawn from the steel pipe. After the first transportation platform 1 moves back to the pipe orifice of the section of steel pipe, the first transportation platform 1 is lowered to the ground or a shield pipe sheet by using the first lifting element 6. When the guide portion 4 of the first transporting platform 1 is detached from the steel pipe, the guide telescopic member 4a is extended again. At this point, the wheelset elements 4c on the leading telescopic elements 4a may be kept about three to five centimeters from the shield disc or tunnel inner wall in preparation for the transport of the next steel pipe.

It should be noted that the above-mentioned embodiments are exemplary, and that those skilled in the art, having benefit of the present disclosure, may devise various arrangements that are within the scope of the present disclosure and that fall within the scope of the utility model. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the utility model is defined by the claims and their equivalents.

The present description contains several inventive concepts, and the applicant reserves the right to submit divisional applications according to each inventive concept. The present description contains several inventive concepts, such as "preferably", "according to a preferred embodiment" or "optionally", all indicating that the respective paragraphs disclose an independent concept, the applicant reserves the right to submit divisional applications according to each inventive concept.

Claims

1. A pressure steel pipe conveying device capable of adjusting angle and elevation in a tunnel at least comprises a first conveying platform (1) and a second conveying platform (2),

the sides of the first transportation platform (1) and the second transportation platform (2) far away from the ground are movably connected through a central supporting element (3),

the central supporting element (3) is provided with a guide part (4), the guide part (4) is composed of a plurality of guide telescopic elements (4a) and guide supporting elements (4b), one ends of the guide telescopic elements (4a) and the guide supporting elements (4b) movably connected with the central supporting element (3) are uniformly distributed along the circumferential surface of the central supporting element (3),

under the condition that the central support element (3) can support a pressure pipeline to be installed, the other end, far away from the central support element (3), of the guide telescopic element (4a) is hinged to the other end, far away from the central support element (3), of the guide support element (4b) in a mode that the included angle between the guide support element (4b) and the central support element (3) can be adjusted at least through the guide telescopic element (4a) at the same time, so that the end, far away from the central support element (3), of the guide support element (4b) abuts against the inner wall of an installed pressure steel pipe, and the circle center of a circular ring formed by the guide support elements (4b) is located on the central axis of the installed pressure steel pipe.

2. A penstock transportation device according to claim 1, characterized in that the end of the guide support element (4b) remote from the centre support element (3) is provided with a wheelset element (11c) in such a way that the guide support element (4b) bears the pressure pipe inner wall in a rolling connection, wherein the wheelset element is pivotally hinged to the end of the guide support element (4b) remote from the centre support element (3).

3. The penstock transportation device according to claim 2, characterized in that both the first transportation platform (1) and one of the second transportation platforms (2) are provided with omni-wheel elements (5), wherein the omni-wheel elements (5) are movably connected to the ground facing side of the first transportation platform (1) and/or the second transportation platform (2) in such a way that at least the moving direction of the first transportation platform (1) and/or the second transportation platform (2) can be switched between a first direction and a second direction by the omni-wheel elements (5) to achieve a longitudinal and/or transverse movement of the first transportation platform (1) and/or the second transportation platform (2) within the tunnel to improve the efficiency of pipe alignment.

4. The steel penstock transportation device according to claim 3, characterized in that the sides of the first (1) and second (2) transportation platforms far from the ground are provided with a first lifting element (6) and a second lifting element (7), respectively, in such a way as to be able to lift the central support element (3), wherein the ends of the first (6) and second (7) lifting elements far from the ground are detachably connected by the central support element (3).

5. The penstock transportation device according to claim 4, characterized in that the first transportation platform (1) and/or the second transportation platform (2) is provided with at least one power element (8) in such a way that it can drive the omni-wheel element (5), wherein the output of the power element (8) can be connected in rotation with the omni-wheel element (5) at least by means of a transmission shaft in a gear transmission.

6. A penstock transportation device according to claim 5, characterized in that a plurality of main support elements (9) are connected to the central support element (3) in such a way that they can support the penstock, wherein the ends of the main support elements (9) close to the central support element (3) are evenly distributed along the circumferential surface of the central support element (3).

7. A penstock transportation device according to claim 6, characterized in that the end of the main support element (9) remote from the centre support element (3) is provided with telescopic elements (9a) in such a way that it can support penstock of different pipe diameters, wherein the telescopic elements (9a) are connected to the end of the main support element (9) remote from the centre support element (3) in the axial direction of the centre support element (3).

8. The penstock transportation device according to claim 7, characterized in that the end of the telescopic element (9a) remote from the core backing element (3) is provided with a buffer element (9b) in such a way as to prevent damage to the inner wall of the penstock, wherein the buffer element (9b) is connected to the end of the telescopic element (9a) remote from the core backing element (3) in an axial direction perpendicular to the telescopic element (9 a).

9. The penstock transportation device according to claim 8, characterized in that the ends of the first lifting element (6) and the second lifting element (7) close to the central support element (3) are each provided with a rotating element (10) in such a way that the central support element (3) can be rotated about its central axis to adjust the installation angle of the penstock, wherein the ends of the central support element (3) close to the first lifting element (6) and/or the second lifting element (7) are pivotally connected to the rotating elements (10).

10. The penstock transportation device according to claim 9, characterized in that the first transportation platform (1) and/or the second transportation platform (2) are provided with at least one hydraulic power element (11) in such a way that it is at least possible to provide driving power for the telescopic element (9a), wherein the hydraulic power element (11) is connectable to the telescopic element (9a) by means of hydraulic conduits.