CN220076362U

CN220076362U - Multifunctional steel pipe transport trolley in hole

Info

Publication number: CN220076362U
Application number: CN202321599122.8U
Authority: CN
Inventors: 杨峰; 方旭光; 应慧能
Original assignee: Sinohydro Bureau 12 Co Ltd
Current assignee: Sinohydro Bureau 12 Co Ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2023-11-24
Anticipated expiration: 2033-06-21

Abstract

The utility model discloses a multifunctional steel pipe transportation trolley in a hole, which comprises a trolley frame, wherein rollers matched with a track are arranged at the bottom of the trolley frame, and a bracket assembly for bearing a steel pipe is arranged on the trolley frame; the lifting mechanism comprises a lifting device connected with the trolley frame, and the lifting device is provided with a telescopic lifting movable part; the trolley frame, the bracket component on the trolley frame and the pressure steel pipe on the bracket component can all move along the track in the horizontal direction through the cooperation of the rollers and the track; an operator can send the pressure steel pipe on the bracket assembly to the installation position of the steel pipe by adjusting the position of the trolley frame on the track and the lifting mechanism; a plurality of unloading points and a sky anchor, an unloading winch and related equipment are not required to be arranged, so that the construction cost is lower; the pressure steel pipe is sent to the installation position without manually operating a jack, so that the construction risk is smaller; and the mechanized operation also makes the construction more efficient.

Description

Multifunctional steel pipe transport trolley in hole

Technical Field

The utility model relates to the field of design and manufacture of tunnel construction equipment, in particular to a multifunctional in-tunnel steel pipe transportation trolley.

Background

The underground powerhouse water delivery system of the hydropower station generally adopts a pressure steel pipe structure, and has the problems that transportation and installation channels are narrow, transportation pipe sections are large in size, pipe sections are heavy, transportation distance is long, construction period is long, and large-scale hoisting and transportation equipment cannot be used for loading and unloading and transportation; at present, when the pressure steel pipe is transported, a track is paved in a water delivery tunnel for installing a pipe joint, a roof bolt and a winch are arranged at the intersection of the transportation tunnel and the water delivery tunnel to lift and unload the steel pipe, the pressure steel pipe falls on a track trolley and is transported to an installation position through the winch, and finally the steel pipe is lifted through a multi-point jack to accurately adjust the installation position of the steel pipe.

In actual construction, a plurality of unloading points are required to be arranged in a plurality of water delivery tunnels, and the arrangement of a roof anchor in the unloading points, the configuration of an unloading winch and related equipment are also relatively increased, so that the construction cost control is not facilitated; meanwhile, when the steel pipe is finally and accurately adjusted, the lifting height of the jack is more than 200mm due to the limitation of the height of the stiffening ring, and the manual operation jack is low in adjusting working efficiency and has instability factors, so that safety is not facilitated.

Disclosure of Invention

The utility model overcomes the defects of the prior art, and the multifunctional steel pipe transportation trolley in the hole has the advantages of lower construction cost, higher construction efficiency and safer construction.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the multifunctional steel pipe transport trolley in the hole comprises a trolley frame, wherein rollers matched with a track are arranged at the bottom of the trolley frame, and a bracket assembly for bearing the steel pipe is arranged on the trolley frame; the lifting mechanism comprises a lifting device connected with the trolley frame, and the lifting device is provided with a telescopic lifting movable part; when the lifting movable part stretches, the lifting movable part is abutted against the ground or the rail, so that the distance between the trolley frame and the ground or the rail is changed.

Furthermore, side beams are arranged on two sides of the trolley frame; the length direction of the side beam corresponds to the arrangement direction of the rail, and the side beam is positioned above the rail when the trolley frame moves; the lifting movable part is abutted to the rail when being stretched.

Further, the lifting movable part is provided with a matching piece which is abutted with the track; the bottom of the matching piece is provided with a matching groove, and the groove width of the matching groove is matched with the width of the track; when the matching piece is abutted with the track, a part of area at the top of the track is positioned in the matching groove.

Further, the side beams comprise a left side beam and a right side beam; the lifting device comprises a left lifting device arranged on the left side beam and a right lifting device arranged on the right side beam; the trolley frame is provided with a control system, and the lifting movable parts of the left lifting device and the right lifting device are respectively controlled in a telescopic manner through the control system.

Further, the idler wheels are arranged on the side beams; the roller comprises a left roller arranged on the left side beam and a right roller arranged on the right side beam.

Further, the left roller and the right roller comprise a roller body, a roller pin shaft, a roller support and a steering shaft; the roller body is connected to the roller support in a rolling way through a roller pin shaft; the steering shaft is rotationally connected with the left side beam and the right side beam, and one end of the steering shaft is exposed from the bottoms of the left side beam and the right side beam and is connected with the roller support.

Further, through holes penetrating the upper surface and the lower surface are formed in the left side beam and the right side beam; the steering shaft is movably arranged in the through hole, the length of the steering shaft is greater than that of the through hole, and the diameter of the steering shaft is smaller than or equal to the inner diameter of the through hole; one end of the steering shaft is exposed from the bottoms of the left side beam and the right side beam and is connected with the top of the roller support; the other end of steering spindle exposes and is provided with the limiting plate from the top of left side roof beam and right side roof beam, the diameter of limiting plate is greater than the internal diameter of through-hole.

Further, the top of gyro wheel support is provided with the spacing groove, and the bottom of left side roof beam and right side roof beam is provided with the stopper that matches with the spacing groove.

Further, the steering device comprises a roller steering mechanism, wherein the roller steering mechanism comprises a movable connecting rod and a steering adjusting device; the steering adjusting device is arranged on the left side beam and the right side beam; the steering adjusting device is provided with a telescopic steering movable part, and the steering movable part of the steering adjusting device is controlled by a control system; one end of the movable connecting rod is connected with the steering movable part; the left roller and the right roller comprise steering pins, and two ends of each steering pin are respectively and rotatably connected with the roller support and the other end of the movable connecting rod;

the steering adjusting device is also provided with a travel limit switch for limiting the steering angle of the left roller and the right roller.

Further, the left side beam is provided with two left idler wheels which are respectively arranged at two ends of the left side beam; the right side beam is provided with two right idler wheels which are respectively arranged at two ends of the right side beam; the steering adjusting device adopts a double-acting hydraulic cylinder, the steering movable part is a piston rod of the double-acting hydraulic cylinder, and two piston rods of the double-acting hydraulic cylinder are matched with roller supports of two left rollers or roller supports of two right rollers through movable connecting rods.

The beneficial effects are that:

according to the utility model, through the work of the lifting mechanism, the trolley frame, the bracket assembly on the trolley frame and the pressure steel pipe on the bracket assembly can be synchronously adjusted in the height direction; the trolley frame, the bracket component on the trolley frame and the pressure steel pipe on the bracket component can all move along the track in the horizontal direction through the cooperation of the rollers and the track; so that operators can directly send the pressure steel pipe on the bracket component to the installation position of the steel pipe through adjusting the position of the trolley frame on the track and adjusting the lifting mechanism; not only a plurality of unloading points are not required, but also a sky anchor, an unloading winch and related equipment are not required, so that the construction cost is lower; meanwhile, the pressure steel pipe is conveyed to the installation position without manually operating a jack, so that the construction risk is smaller; and the mechanized operation also makes the construction more efficient.

In the utility model, because the lifting device is connected with the trolley frame, the trolley frame can not move along the track due to the fact that the rollers are not contacted with the track in the lifting state, so that the process of conveying the pressure steel pipe to the installation position is more stable and safer.

In the utility model, the length direction of the side beam corresponds to the arrangement direction of the rail, the side beam is positioned above the rail when the trolley frame moves, and the lifting device is arranged on the side beam, so that the lifting movable part is conveniently abutted against the rail; simultaneously, compared with the ground of a tunnel, the surface of the rail is smoother, so that the lifting movable part can be contacted with the rail more stably, and the stability of the trolley frame during lifting is improved.

According to the utility model, the lifting movable part can be contacted with the track more stably through the arrangement of the matching groove, so that the stability of the trolley frame during lifting is improved.

In the utility model, the control system respectively carries out telescopic control on lifting movable parts of the left lifting device and the right lifting device; the left side beam and the right side beam are inclined at different heights through different extension lengths between the lifting movable part of the left lifting device and the lifting movable part of the right lifting device, and meanwhile, the pressure steel pipe on the bracket assembly is inclined; the utility model can stably send the pressure steel pipe to the installation position for installation when the ground is inclined or the installation position of the steel pipe is an inclined position.

In the utility model, the side beam is positioned above the track when the trolley frame moves, so that the roller is arranged on the side beam so as to be convenient for the roller to be matched with the track; the boundary beams on two sides of the trolley frame are respectively provided with a left roller and a right roller, so that the left roller and the right roller can uniformly share the gravity of the trolley frame and drive the trolley frame to stably move on the track.

In the utility model, the steering shaft is rotationally connected with the left side beam and the right side beam, and one end of the steering shaft is exposed from the bottoms of the left side beam and the right side beam and is connected with the roller support; after the trolley frame is lifted by the lifting mechanism and the roller body is not contacted with the track any more, the left roller and the right roller can be directionally adjusted to be matched with the other track, so that the trolley frame can be separated from the track of one tunnel and matched with the track of the other tunnel to finish track switching; the utility model can flexibly move in each tunnel, and improves the construction efficiency.

In the utility model, the steering shaft is movably arranged in the through hole, so that the direction of the roller support is conveniently adjusted through the steering shaft, and further the direction of the left roller and the right roller is adjusted; the length of the steering shaft is larger than that of the through hole, so that an operator can judge the lifting condition of the utility model through the steering shaft from the exposed state of the tops of the left side beam and the right side beam; the limiting plate can play a limiting role to prevent the steering shaft from falling out of the through hole.

In the utility model, because the length of the steering shaft is greater than that of the through hole, when the lifting mechanism lifts the trolley frame, the left roller and the right roller can droop under the action of gravity after the roller body is no longer in contact with the track, and the roller support is not in contact with the left side beam and the right side beam; after the lifting mechanism is reset, the trolley frame falls back to the original position, the roller body is contacted with the track again, and the roller support is contacted with the left side beam and the right side beam again; and then through the cooperation of spacing groove and stopper, make the gyro wheel support can not misplace when resetting to make the cooperation of gyro wheel support and left boundary beam and right boundary beam more inseparable.

In the utility model, the control system is used for controlling the steering movable part of the steering adjusting device, so that the steering movable part is more convenient and quick to adjust, the use of the steering adjusting device is more convenient, and the use efficiency of the steering adjusting device is further improved.

In the utility model, two ends of the steering pin are respectively and rotatably connected with the other ends of the roller support and the movable connecting rod; and then the acting force acting on the straight line when the steering movable part stretches and contracts is converted into the acting force for adjusting the rotation of the supporting roller support, and then the left roller and the right roller are subjected to direction adjustment.

In the utility model, when the left roller and the right roller are adjusted to a certain angle, the operation of the steering adjusting device can be limited by the travel limit switch, so that the condition of over-adjustment is avoided as much as possible.

In the utility model, the steering adjusting device adopts a double-acting hydraulic cylinder, so that the utility model can apply adjusting acting force to the two left idler wheels and the two right idler wheels by arranging one double-acting hydraulic cylinder; compared with the mode of arranging the hydraulic cylinders according to the number of the rollers, the utility model reduces the production cost; and the acting force for adjusting the two left rollers and the two right rollers can be applied through the double-acting hydraulic cylinder at the same time, so that the adjusting speed of the left rollers and the right rollers is accelerated, and the construction efficiency is improved.

Drawings

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

Fig. 2 is a structural diagram of one side of the present utility model.

Fig. 3 is a block diagram of the roller structure of fig. 2.

Fig. 4 is a structural view of the roller steering mechanism in cooperation with the left roller or the right roller.

Fig. 5 is a block diagram of a control system according to the present utility model.

Reference numerals in the drawings:

1. a trolley frame; 2. a roller; 3. a bracket assembly; 4. a lifting mechanism; 5. a translation mechanism; 6. a control system; 7. a roller steering mechanism; 11. edge beams; 12. a slide rail; 13. a left side beam; 14. a right side beam; 15. a limiting block; 21. a roller body; 22. a roller pin shaft; 23. a roller support; 24. a steering shaft; 25. a limiting plate; 26. a limit groove; 27. a steering pin; 31. a bracket body; 32. a bracket support; 33. a sliding groove; 41. lifting devices; 42. lifting the movable part; 43. a mating member; 44. a mating groove; 45. a left lifting device; 46. a right lifting device; 51. a translation device; 52. a translational movement portion; 61. a hydraulic station; 62. a hydraulic line; 71. a movable connecting rod; 72. a steering adjustment device; 73. a steering movable portion; 74. and a travel limit switch.

Detailed Description

The utility model will be further described with reference to the drawings and specific examples. It should be noted that the examples are only specific to the present utility model and are for the purpose of better understanding of the technical solutions of the present utility model to those skilled in the art, and should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, as the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used for convenience of description and simplicity of description, only as to the orientation or positional relationship shown in the drawings, and not as an indication or suggestion that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases to those skilled in the art.

Example 1:

as shown in fig. 2-4, a multifunctional steel pipe transportation trolley in a hole comprises a trolley frame 1, wherein rollers 2 matched with a track are arranged at the bottom of the trolley frame 1, and a bracket assembly 3 for bearing steel pipes is arranged on the trolley frame 1; the lifting mechanism 4 comprises a lifting device 41 connected with the trolley frame 1, and the lifting device 41 is provided with a telescopic lifting movable part 42; the lifting movable part 42 is abutted against the ground or the rail when being stretched, so that the distance between the trolley frame 1 and the ground or the rail is changed; the trolley frame 1, the bracket component 3 on the trolley frame 1 and the pressure steel pipe on the bracket component 3 can synchronously adjust in the height direction through the operation of the lifting mechanism 4; the trolley frame 1, the bracket component 3 on the trolley frame 1 and the pressure steel pipe on the bracket component 3 can all move along the track in the horizontal direction through the cooperation of the idler wheels 2 and the track; so that an operator can directly send the pressure steel pipe on the bracket assembly 3 to the installation position of the steel pipe by adjusting the position of the trolley frame 1 on the track and the lifting mechanism 4; not only a plurality of unloading points are not required, but also a sky anchor, an unloading winch and related equipment are not required, so that the construction cost is lower; meanwhile, the pressure steel pipe is conveyed to the installation position without manually operating a jack, so that the construction risk is smaller; and the mechanized operation also makes the construction more efficient.

In the utility model, since the lifting device 41 is connected with the trolley frame 1, the trolley frame 1 can not move along the track due to the fact that the roller 2 is not contacted with the track in the lifting state, so that the process of conveying the pressure steel pipe to the installation position is more stable and safer.

In the embodiment, side beams 11 are arranged on two sides of the trolley frame 1; the length direction of the side beam 11 corresponds to the arrangement direction of the rail, and the side beam 11 is positioned above the rail when the trolley frame 1 moves, so that the lifting movable part 42 is conveniently abutted against the rail; the lifting movable part 42 is abutted to the track when being stretched, compared with the ground of a tunnel, the surface of the track is smoother, so that the lifting movable part 42 can be contacted with the track more stably, and the stability of the trolley frame 1 during lifting is improved.

In the present embodiment, the lifting movable portion 42 is provided with a fitting 43 that abuts against the rail; the bottom of the matching piece 43 is provided with a matching groove 44, and the groove width of the matching groove 44 is matched with the width of the track; when the matching piece 43 is in butt joint with the track, a partial area at the top of the track is positioned in the matching groove 44, the lifting movable part 42 can be more stably contacted with the track through the arrangement of the matching groove 44, and the stability of the trolley frame 1 during lifting is improved.

In some preferred embodiments, the engagement member 43 may also be a rail clip by which the rail is clamped to achieve a tight fit with the rail.

In the present embodiment, the side beam 11 includes a left side beam 13 and a right side beam 14; the lifting device 41 comprises a left lifting device 45 arranged on the left side beam 13 and a right lifting device 46 arranged on the right side beam 14; the trolley frame 1 is provided with a control system 6, and the lifting movable parts 42 of the left lifting device 45 and the right lifting device 46 are respectively controlled in a telescopic manner through the control system 6; the left side beam 13 and the right side beam 14 are inclined at different heights by the difference of the extension lengths between the lifting movable part 42 of the left lifting device 45 and the lifting movable part 42 of the right lifting device 46, and meanwhile, the pressure steel pipe on the bracket assembly 3 is inclined; the utility model can stably send the pressure steel pipe to the installation position for installation when the ground is inclined or the installation position of the steel pipe is an inclined position.

In some preferred forms, the number of left and right lifting devices 45, 46 is two or more, and the control system 6 controls the left and right lifting devices 45, 46 individually, thereby making the control more accurate.

In the present embodiment, the roller 2 is disposed on the side sill 11; the rollers 2 comprise left rollers 2 arranged on a left side beam 13 and right rollers 2 arranged on a right side beam 14; because the side beam 11 is positioned above the track when the trolley frame 1 moves, the roller 2 is arranged on the side beam 11 so as to facilitate the roller 2 to be matched with the track; the boundary beams 11 on two sides of the trolley frame 1 are respectively provided with a left roller 2 and a right roller 2, so that the left roller 2 and the right roller 2 can uniformly share the gravity of the trolley frame 1 and drive the trolley frame 1 to stably move on a track.

In this embodiment, the left roller 2 and the right roller 2 each include a roller body 21, a roller pin 22, a roller support 23, and a steering shaft 24; the roller body 21 is connected to the roller support 23 in a rolling way through the roller pin shaft 22; the steering shaft 24 is rotationally connected with the left side beam 13 and the right side beam 14, and one end of the steering shaft 24 is exposed from the bottoms of the left side beam 13 and the right side beam 14 and is connected with the roller support 23; after the trolley frame 1 is lifted by the lifting mechanism 4 and the roller body 21 is not contacted with the tracks, the left roller 2 and the right roller 2 can be adjusted in direction to be matched with the other track, so that the trolley frame lifting mechanism can be separated from the track of one tunnel and matched with the track of the other tunnel to finish track switching; the utility model can flexibly move in each tunnel, and improves the construction efficiency.

In this embodiment, through holes penetrating the upper and lower surfaces of the left side beam 13 and the right side beam 14 are formed; the steering shaft 24 is movably arranged in the through hole, so that the direction of the roller support 23 can be conveniently adjusted through the steering shaft 24, and further, the left roller 2 and the right roller 2 can be adjusted in direction; the length of the steering shaft 24 is greater than the length of the through hole, and the diameter of the steering shaft 24 is smaller than or equal to the inner diameter of the through hole; one end of the steering shaft 24 is exposed from the bottoms of the left side beam 13 and the right side beam 14 and is connected with the top of the roller support 23; the other end of the steering shaft 24 is exposed from the top of the left side beam 13 and the right side beam 14 and is provided with a limiting plate 25, and the diameter of the limiting plate 25 is larger than the inner diameter of the through hole; the length of the steering shaft 24 is longer than that of the through hole, so that an operator can judge the lifting condition of the utility model from the exposed state of the tops of the left side beam 13 and the right side beam 14 through the steering shaft 24; and the limiting plate 25 can play a role of limiting to prevent the steering shaft 24 from falling out of the through hole.

In the embodiment, the top of the roller support 23 is provided with a limit groove 26, and the bottoms of the left side beam 13 and the right side beam 14 are provided with limit blocks 15 matched with the limit groove 26; in the utility model, since the length of the steering shaft 24 is greater than the length of the through hole, after the lifting mechanism 4 lifts the trolley frame 1 and the roller body 21 is no longer in contact with the track, the left roller 2 and the right roller 2 can droop under the action of gravity, and the roller support 23 is not in contact with the left side beam 13 and the right side beam 14; after the lifting mechanism 4 is reset, the trolley frame 1 falls back to the original position, the roller body 21 is contacted with the rail again, and the roller support 23 is contacted with the left side beam 13 and the right side beam 14 again; and then through the cooperation of spacing groove 26 and stopper 15, make gyro wheel support 23 can not misplace when resetting to make gyro wheel support 23 and the cooperation of left side beam 13 and right side beam 14 more inseparable.

In the present embodiment, a roller steering mechanism 7 is included, the roller steering mechanism 7 includes a movable link 71 and a steering adjustment device 72; the steering adjustment device 72 is arranged on the left side beam 13 and the right side beam 14; the steering adjustment device 72 is provided with a telescopic steering movable part 73, and the steering movable part 73 of the steering adjustment device 72 is controlled by the control system 6; one end of the movable link 71 is connected to the steering movable portion 73; the left roller 2 and the right roller 2 comprise steering pins 27, and two ends of each steering pin 27 are respectively and rotatably connected with the roller support 23 and the other end of the movable connecting rod 71; both ends of the steering pin 27 are respectively and rotatably connected with the roller support 23 and the other end of the movable connecting rod 71; further, the force acting on the straight line when the steering movable part 73 stretches is converted into the force for adjusting the rotation of the supporting roller support 23, and the direction of the left roller 2 and the right roller 2 is adjusted; the control system 6 controls the steering movable part 73 of the steering adjusting device 72, so that the steering movable part 73 is adjusted more conveniently and rapidly, the use of the utility model is improved more conveniently, and the use efficiency of the utility model is improved.

In the present embodiment, the steering adjustment device 72 is further provided with a travel limit switch 74 that limits the steering angle of the left roller 2 and the right roller 2; when the left roller 2 and the right roller 2 are adjusted to a certain angle, the operation of the steering adjusting device 72 can be limited by the travel limit switch 74, so that the condition of excessive adjustment is avoided as much as possible.

In the present embodiment, the left side beam 13 is provided with two left rollers 2, and is respectively provided at both ends of the left side beam 13; the right side beam 14 is provided with two right rollers 2, and is respectively arranged at two ends of the right side beam 14; the steering adjusting device 72 adopts a double-acting hydraulic cylinder, the steering movable part 73 is a piston rod of the double-acting hydraulic cylinder, and two piston rods of the double-acting hydraulic cylinder are matched with the roller supports 23 of the two left rollers 2 or the roller supports 23 of the two right rollers 2 through movable connecting rods 71; the steering adjusting device 72 adopts a double-acting hydraulic cylinder, so that the utility model can apply adjusting acting force to the two left idler wheels 2 and the two right idler wheels 2 by arranging one double-acting hydraulic cylinder; compared with the mode of arranging the hydraulic cylinders according to the number of the rollers 2, the utility model reduces the production cost; and can also apply the effort of regulation to two left gyro wheels 2 and two right gyro wheels 2 simultaneously through the double-acting pneumatic cylinder for left gyro wheel 2 and right gyro wheel 2 governing speed promotes the efficiency of construction.

Example 2:

as shown in fig. 1-5, a multifunctional steel pipe transportation trolley in a hole comprises a trolley frame 1, wherein rollers 2 matched with a track are arranged at the bottom of the trolley frame 1, and a bracket assembly 3 for bearing steel pipes is arranged on the trolley frame 1; the utility model comprises a lifting mechanism 4 and a translation mechanism 5; the lifting mechanism 4 comprises a lifting device 41 connected with the trolley frame 1, and the lifting device 41 is provided with a telescopic lifting movable part 42; the lifting movable part 42 is abutted against the ground or the rail when being stretched, so that the distance between the trolley frame 1 and the ground or the rail is changed; the bracket component 3 is in sliding connection with the trolley frame 1, and the moving path of the bracket component 3 is different from the moving direction of the trolley frame 1 on the track; the translation mechanism 5 comprises a translation device 51 connected with the trolley frame 1, the translation device 51 is provided with a telescopic translation movable part 52, and the translation movable part 52 is connected with the bracket assembly 3; according to the utility model, through the work of the lifting mechanism 4, the trolley frame 1, the bracket assembly 3 on the trolley frame 1 and the pressure steel pipe on the bracket assembly 3 can be synchronously adjusted in the height direction; the trolley frame 1, the bracket component 3 on the trolley frame 1 and the pressure steel pipe on the bracket component 3 can all move along the track in the horizontal direction through the cooperation of the idler wheels 2 and the track; meanwhile, the translation mechanism 5 works, so that the bracket assembly 3 and the pressure steel pipe on the bracket assembly 3 can horizontally move in other directions; so that an operator can directly send the pressure steel pipe on the bracket assembly 3 to the installation position of the steel pipe by adjusting the position of the trolley frame 1 on the track, the lifting mechanism 4 and the translation mechanism 5; not only a plurality of unloading points are not required, but also a sky anchor, an unloading winch and related equipment are not required, so that the construction cost is lower; meanwhile, the pressure steel pipe is conveyed to the installation position without manually operating a jack, so that the construction risk is smaller; and the mechanized operation also makes the construction more efficient.

In the utility model, since the lifting device 41 is connected with the trolley frame 1, the roller 2 is not contacted with the rail in the lifting state, so that the trolley frame 1 can not move along the rail, and the process of conveying the pressure steel pipe to the installation position is safer.

In the embodiment, side beams 11 are arranged on two sides of the trolley frame 1; the length direction of the side beam 11 corresponds to the arrangement direction of the rail, and the side beam 11 is positioned above the rail when the trolley frame 1 moves; the roller 2 and the lifting device 41 are arranged on the side beam 11; the lifting movable part 42 is abutted against the rail when being extended; compared with the ground of the tunnel, the surface of the rail is smoother, so that the lifting movable part 42 can be contacted with the rail more stably, and the stability of the trolley frame 1 during lifting is improved; the roller 2 is arranged on the side beam 11 so that the roller 2 can be matched with the track; the lifting device 41 is arranged on the side beam 11, so that the lifting movable part 42 is abutted against the rail.

In the present embodiment, the bracket assembly 3 includes a bracket body 31 and bracket holders 32 connected to the bracket body 31, the bracket holders 32 being provided at both ends of the bottom of the bracket body 31; bracket supports 32 at two ends of the bracket body 31 are respectively in sliding fit with side beams 11 at two sides of the trolley frame 1; so that the moving direction of the bracket component 3 under the action of the translation mechanism 5 is different from the moving direction of the trolley frame 1 on the track; and then realize the pressure steel pipe on the bracket component 3 and can carry out diversified regulation to adapt to different installation environment.

In this embodiment, the bracket body 31 has an arc shape; the two ends of the bracket body 31 are high points and are at the same level; the middle of the bracket body 31 is a concave low point, and the movement of the steel pipe is limited by the concave low point, so that the instability of the steel pipe when the steel pipe is placed on the bracket body 31 for conveying is avoided as far as possible.

In the present utility model, the lifting movable portion 42 is provided with a fitting 43 abutting against the rail; the bottom of the matching piece 43 is provided with a matching groove 44, and the groove width of the matching groove 44 is matched with the width of the track; when the matching piece 43 is abutted with the track, a part of area at the top of the track is positioned in the matching groove 44; the lifting movable part 42 can be contacted with the track more stably through the arrangement of the matching groove 44, so that the stability of the trolley frame 1 during lifting is improved.

In the present embodiment, the bottom of the bracket support 32 is provided with a sliding groove 33, and the top of the side beam 11 is provided with a slide rail 12 matching the sliding groove 33; the sliding groove 33 and the sliding rail 12 are in a dovetail groove shape; the bracket support 32 and the side beam 11 are matched with each other through the sliding groove 33 and the sliding rail 12 in a sliding manner; meanwhile, the sliding groove 33 and the sliding rail 12 are in a dovetail groove shape, and the sliding groove 33 and the sliding rail 12 are more compact after being matched with each other by the limitation of the shape, and are more stable and not easy to fall off; making the use of the utility model safer.

In this embodiment, the sliding rail 12 is disposed corresponding to the width direction of the side beam 11, and the bracket supports 32 are symmetrically disposed on the left side beam 13 and the right side beam 14; the movable direction of the trolley frame on the track is crossed with the movable direction of the bracket component under the action of the translation mechanism, and the crossing angle is as close to 90 degrees as possible; and then both can respectively carry out transverse and longitudinal adjustment on the pressure steel pipe; when the pressure steel pipe on the bracket assembly 3 is directly sent to the installation position of the steel pipe, the utility model can carry out transverse and longitudinal adjustment on the pressure steel pipe on the bracket assembly 3 in a simpler and more convenient way, thereby being convenient for installing the pressure steel pipe.

In the present embodiment, the roller 2 includes a left roller 2 provided to the left side rail 13 and a right roller 2 provided to the right side rail 14; the left roller 2 and the right roller 2 comprise a roller body 21, a roller pin 22, a roller support 23 and a steering shaft 24; the roller body 21 is connected to the roller support 23 in a rolling way through the roller pin shaft 22; the steering shaft 24 is rotationally connected with the left side beam 13 and the right side beam 14, and one end of the steering shaft 24 is exposed from the bottoms of the left side beam 13 and the right side beam 14 and is connected with the roller support 23; after the trolley frame 1 is lifted by the lifting mechanism 4 and the roller body 21 is not contacted with the tracks, the left roller 2 and the right roller 2 can be adjusted in direction to be matched with the other track, so that the trolley frame lifting mechanism can be separated from the track of one tunnel and matched with the track of the other tunnel to finish track switching; the utility model can flexibly move in each tunnel, and improves the construction efficiency.

In the utility model, through holes penetrating the upper surface and the lower surface are arranged on the left side beam 13 and the right side beam 14; the steering shaft 24 is movably arranged in the through hole, the length of the steering shaft 24 is greater than that of the through hole, and the diameter of the steering shaft 24 is smaller than or equal to the inner diameter of the through hole; one end of the steering shaft 24 is exposed from the bottoms of the left side beam 13 and the right side beam 14 and is connected with the top of the roller support 23; the other end of the steering shaft 24 is exposed from the top of the left side beam 13 and the right side beam 14 and is provided with a limiting plate 25, and the diameter of the limiting plate 25 is larger than the inner diameter of the through hole; the steering shaft 24 is movably arranged in the through hole, so that the direction of the roller support 23 can be conveniently adjusted through the steering shaft 24, and further, the left roller 2 and the right roller 2 can be adjusted in direction; the length of the steering shaft 24 is larger than that of the through hole, so that an operator can judge the lifting condition of the utility model through the steering shaft 24 from the exposed state of the tops of the left side beam 13 and the right side beam 14; and the limiting plate 25 can play a role of limiting to prevent the steering shaft 24 from falling out of the through hole.

In the embodiment, the top of the roller support 23 is provided with a limit groove 26, and the bottoms of the left side beam 13 and the right side beam 14 are provided with limit blocks 15 matched with the limit groove 26; since the length of the steering shaft 24 is greater than that of the through hole, after the lifting mechanism 4 lifts the trolley frame 1 and the roller body 21 is no longer in contact with the rail, the left roller 2 and the right roller 2 can droop under the action of gravity, and the roller support 23 is not in contact with the left side beam 13 and the right side beam 14; after the lifting mechanism 4 is reset, the trolley frame 1 falls back to the original position, the roller body 21 is contacted with the rail again, and the roller support 23 is contacted with the left side beam 13 and the right side beam 14 again; and then through the cooperation of spacing groove 26 and stopper 15, make gyro wheel support 23 can not misplace when resetting to make gyro wheel support 23 and the cooperation of left side beam 13 and right side beam 14 more inseparable.

In the present embodiment, a roller steering mechanism 7 is included, the roller steering mechanism 7 includes a movable link 71 and a steering adjustment device 72; the steering adjustment device 72 is arranged on the left side beam 13 and the right side beam 14; the steering adjusting device 72 is provided with a telescopic steering movable part 73, and the steering movable part 73 of the steering adjusting device 72 is controlled by the control system 6, so that the steering movable part 73 is more convenient and quick to adjust, the use of the utility model is more convenient, and the use efficiency of the utility model is further improved; one end of the movable link 71 is connected to the steering movable portion 73; the left roller 2 and the right roller 2 comprise steering pins 27, and two ends of each steering pin 27 are respectively and rotatably connected with the roller support 23 and the other end of the movable connecting rod 71; further, the force acting on the straight line when the steering movable portion 73 expands and contracts is converted into the force for adjusting the rotation of the support roller support 23, and the direction of the left roller 2 and the right roller 2 is adjusted.

In the utility model, the steering adjusting device 72 is also provided with a travel limit switch 74 for limiting the steering angle of the left roller 2 and the right roller 2, and when the left roller 2 and the right roller 2 are adjusted to a certain angle, the operation of the steering adjusting device 72 can be limited by the travel limit switch 74, so that the condition of over-head adjustment is avoided as far as possible.

In this embodiment, the lifting device 41 and the translating device 51 are both hydraulic cylinders, and the lifting movable portion 42 and the translating movable portion 52 are piston rods of the hydraulic cylinders; the control system 6 comprises a hydraulic station 61 and a hydraulic line 62; the hydraulic station 61 is connected to the steering adjustment device 72, the lifting device 41 and the displacement device 51 via the hydraulic line 62, and the steering adjustment device 72, the lifting device 41 and the displacement device 51 are controlled by the hydraulic station 61.

In some other modes, other power components such as a motor, an electric cylinder and the like can be adopted to replace the hydraulic cylinder; correspondingly, when other power components such as a motor, an electric cylinder and the like are adopted, the control system 6 needs to be correspondingly modified.

It should be noted that other technical solutions of the present utility model belong to the prior art, and are not described in detail.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the concept of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.

Claims

1. The multifunctional steel pipe transport trolley in the hole comprises a trolley frame, wherein rollers matched with a track are arranged at the bottom of the trolley frame, and a bracket assembly for bearing the steel pipe is arranged on the trolley frame; the lifting mechanism comprises a lifting device connected with a trolley frame, and the lifting device is provided with a telescopic lifting movable part; when the lifting movable part stretches, the lifting movable part is abutted against the ground or the rail, so that the distance between the trolley frame and the ground or the rail is changed.

2. A multifunctional steel pipe transportation trolley in a hole according to claim 1, wherein side beams are arranged on two sides of the trolley frame; the length direction of the side beam corresponds to the arrangement direction of the rail, and the side beam is positioned above the rail when the trolley frame moves; the lifting movable part is abutted to the rail when being stretched.

3. A multi-functional in-tunnel steel pipe transportation trolley according to claim 2, wherein the lifting movable part is provided with a fitting abutting against the rail; the bottom of the matching piece is provided with a matching groove, and the groove width of the matching groove is matched with the width of the track; when the matching piece is abutted with the track, a part of area at the top of the track is positioned in the matching groove.

4. A multi-functional in-tunnel steel pipe transportation trolley according to claim 2 or 3, wherein the side beams comprise a left side beam and a right side beam; the lifting device comprises a left lifting device arranged on the left side beam and a right lifting device arranged on the right side beam; the trolley frame is provided with a control system, and the lifting movable parts of the left lifting device and the right lifting device are respectively controlled in a telescopic manner through the control system.

5. A multi-functional in-tunnel steel pipe transportation trolley according to claim 4 wherein the rollers are disposed on the side beams;

the roller comprises a left roller arranged on the left side beam and a right roller arranged on the right side beam.

6. A multi-functional in-tunnel steel pipe transportation trolley according to claim 5 wherein the left and right rollers each comprise a roller body, a roller pin, a roller support and a steering shaft; the roller body is connected to the roller support in a rolling way through a roller pin shaft; the steering shaft is rotationally connected with the left side beam and the right side beam, and one end of the steering shaft is exposed from the bottoms of the left side beam and the right side beam and is connected with the roller support.

7. A multi-functional in-tunnel steel pipe transportation trolley according to claim 6, wherein the left side beam and the right side beam are provided with through holes penetrating the upper and lower surfaces; the steering shaft is movably arranged in the through hole, the length of the steering shaft is greater than that of the through hole, and the diameter of the steering shaft is smaller than or equal to the inner diameter of the through hole; one end of the steering shaft is exposed from the bottoms of the left side beam and the right side beam and is connected with the top of the roller support; the other end of steering spindle exposes and is provided with the limiting plate from the top of left side roof beam and right side roof beam, the diameter of limiting plate is greater than the internal diameter of through-hole.

8. A multifunctional steel pipe transportation trolley in a hole according to claim 7, wherein the top of the roller support is provided with a limit groove, and the bottoms of the left side beam and the right side beam are provided with limit blocks matched with the limit groove.

9. A multi-functional in-tunnel steel pipe transportation trolley according to claim 7, comprising a roller steering mechanism comprising a movable link and a steering adjustment device; the steering adjusting device is arranged on the left side beam and the right side beam; the steering adjusting device is provided with a telescopic steering movable part, and the steering movable part of the steering adjusting device is controlled by a control system; one end of the movable connecting rod is connected with the steering movable part; the left roller and the right roller comprise steering pins, and two ends of each steering pin are respectively and rotatably connected with the roller support and the other end of the movable connecting rod;

10. A multi-functional in-tunnel steel pipe transportation trolley according to claim 9, wherein the left side beam is provided with two left rollers, and is respectively arranged at two ends of the left side beam; the right side beam is provided with two right idler wheels which are respectively arranged at two ends of the right side beam; the steering adjusting device adopts a double-acting hydraulic cylinder, the steering movable part is a piston rod of the double-acting hydraulic cylinder, and two piston rods of the double-acting hydraulic cylinder are matched with roller supports of two left rollers or roller supports of two right rollers through movable connecting rods.