CN221027237U - Gantry crane suitable for construction of tunnels with different hole diameters - Google Patents
Gantry crane suitable for construction of tunnels with different hole diameters Download PDFInfo
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- CN221027237U CN221027237U CN202322724547.3U CN202322724547U CN221027237U CN 221027237 U CN221027237 U CN 221027237U CN 202322724547 U CN202322724547 U CN 202322724547U CN 221027237 U CN221027237 U CN 221027237U
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- 238000010276 construction Methods 0.000 title claims abstract description 28
- 210000001503 joint Anatomy 0.000 claims abstract description 121
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a portal crane suitable for tunnel construction with different hole diameters, which comprises a main beam and two supporting legs, wherein the two supporting legs are respectively provided with two ends of the main beam and form a portal structure, each supporting leg comprises a movable seat, an adjusting supporting frame and an upper supporting frame, the top of the movable seat and the top of the adjusting supporting frame are respectively provided with a first vertical butt joint part, the bottom of the adjusting supporting frame and the bottom of the upper supporting frame are respectively provided with a second vertical butt joint part which can be in butt joint with the first vertical butt joint part, the first vertical butt joint part of the movable seat is detachably connected with the second vertical butt joint part of the adjusting supporting frame, and the two ends of the main beam are respectively arranged on the upper supporting frames of the two supporting legs. The portal crane suitable for the construction of tunnels with different hole diameters has the advantages of simple structure, strong applicability and high utilization rate.
Description
Technical Field
The utility model relates to the technical field of portal cranes, in particular to a portal crane suitable for construction of tunnels with different hole diameters.
Background
A single girder gantry crane for lifting pipe pieces in a tunnel of the prior application number 201822259130.3 comprises a girder, supporting legs, an electric hoist, a travelling mechanism and a lifting appliance, wherein the girder is an arch girder; the arch girder is a single girder, and two supporting legs are respectively fixedly connected with two ends of the arch girder. When the pipe piece is required to be lifted, the crane moves to the pipe piece conveying trolley position, and then moves to the pipe piece mounting equipment after lifting the pipe piece, and then the pipe piece is unloaded on the pipe piece mounting equipment, so that the pipe piece lifting is completed. The prior art represented by the portal crane has the following defects: the girder and the landing leg are overall structure, are difficult to adjust height and/or width, and the overall size is fixed, can only be suitable for the overhead hoist construction in the single hole footpath tunnel, is difficult to be suitable for the overhead hoist construction in the tunnel that has different hole footpath, to the tunnel of different hole footpath, the present gantry crane is too high too low of lifting height, or is played to rise the span too wide too narrow, and the suitability is not strong, the utilization ratio is low.
Disclosure of utility model
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the portal crane which has the advantages of simple structure, strong applicability and high utilization rate and is suitable for the construction of tunnels with different hole diameters.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a gantry crane suitable for different hole footpath tunnel construction usefulness, includes girder and two landing legs, two the landing leg sets up the both ends of girder respectively, forms portal structure, the landing leg is including removing seat, regulation strut and last strut, the top of removing the seat and the top of regulation strut all are equipped with first vertical butt joint portion, the bottom of regulation strut and the bottom of going up the strut all are equipped with the second vertical butt joint portion that can dock with first vertical butt joint portion, it can dismantle with the second vertical butt joint portion of regulation strut to remove the first vertical butt joint portion of seat, the second vertical butt joint portion of going up the strut can dismantle with the first vertical butt joint portion of regulation strut and be connected, the both ends of girder set up respectively at the last strut of two landing legs.
As a further improvement of the above technical scheme:
The first vertical butt joint part and the second vertical butt joint part which are in butt joint are fixedly connected through a first butt joint bolt.
The girder includes fixed section, two adjustment sections and two connecting seats, the one end of adjustment section and the both ends of fixed section all are equipped with first horizontal butt joint portion, all be equipped with on the other end of adjustment section and the two connecting seats can with the horizontal butt joint portion of the second of first horizontal butt joint portion butt joint, two the connecting seat sets up respectively on the upper bracket of two landing legs, two the horizontal butt joint portion of second of connecting seat can dismantle respectively with the first horizontal butt joint portion of two adjustment sections and be connected, the first horizontal butt joint portion of fixed section both ends can dismantle respectively with the second horizontal butt joint portion of two adjustment sections and be connected.
The butted first transverse butt joint part and the butted second transverse butt joint part are fixedly connected through a second butt joint bolt.
The two connecting seats are respectively arranged on the upper supporting frames of the two supporting legs in a lifting and adjusting mode.
The connecting seat is movably sleeved on the upper supporting frame and is connected with a telescopic mechanism between the upper supporting frame and the connecting seat.
The first transverse butt joint part is provided with a socket hole, the second transverse butt joint part is provided with an inserting part matched with the socket hole, and the inserting part of the second transverse butt joint part is inserted into the socket hole of the corresponding first transverse butt joint part.
The side wall of the insertion part is provided with a first limit concave part and a first guide groove, one end of the first guide groove is communicated with the first limit concave part, the other end of the first guide groove is inserted into the socket hole through the insertion part, the inner wall of the socket hole is provided with a first limit ball, and the first limit ball is positioned in the first limit concave part.
The first vertical butt joint part is provided with a second limit ball, the second vertical butt joint part is provided with a second limit concave part, and the top of the second limit ball is sheathed with the second limit concave part in an adaptive manner.
The top of the movable seat is provided with a lower supporting frame, and the first vertical butt joint part of the movable seat is arranged at the top of the lower supporting frame.
Compared with the prior art, the utility model has the advantages that:
According to the portal crane suitable for construction of tunnels with different hole diameters, the first vertical butt joint part of the movable seat is detachably connected with the second vertical butt joint part of the adjusting support, the second vertical butt joint part of the upper support is detachably connected with the first vertical butt joint part of the adjusting support, the first vertical butt joint parts are arranged at the top of the movable seat and the top of the adjusting support, the second vertical butt joint parts which can be in butt joint with the first vertical butt joint parts are arranged at the bottom of the adjusting support and the bottom of the upper support, when a tunnel with smaller hole diameter is encountered, the adjusting support can be removed, and the second vertical butt joint part at the bottom of the upper support is connected with the first vertical butt joint part at the top of the movable seat so as to reduce the whole height, so that the portal crane is suitable for the use of the tunnels with smaller hole diameters, namely, the portal crane is not limited to the use of lifting construction in the tunnels with single hole diameters, and has high applicability.
Drawings
Fig. 1 is a schematic front view of a gantry crane according to a first embodiment of the present utility model, which is suitable for use in construction of tunnels with different diameters.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is an enlarged view at B in fig. 1.
Fig. 4 is a schematic partial structure of a second embodiment of the gantry crane of the present utility model suitable for use in construction of tunnels of different diameters.
Fig. 5 is an enlarged view at C in fig. 4.
Fig. 6 is a schematic partial structure of a third embodiment of the gantry crane of the present utility model suitable for use in construction of tunnels of different diameters.
The reference numerals in the drawings denote:
1. A main beam; 11. a fixed section; 12. a regulating section; 13. a connecting seat; 2. a support leg; 21. a movable seat; 211. a lower support; 22. adjusting the supporting frame; 23. an upper support; 3. a first vertical butt joint; 31. a first docking bolt; 4. a second vertical butt joint portion; 5. a first transverse butt joint; 51. a socket hole; 511. a first limit ball; 6. a second transverse butt joint; 61. a plug-in part; 611. a first limit concave part; 612. a first guide groove; 7. a second docking bolt; 8. the second limit ball; 9. and the second limit concave part.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific examples.
In the description of the present application, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
Embodiment one:
Fig. 1 to 3 show an embodiment of the gantry crane applicable to the construction of tunnels with different hole diameters, which is disclosed by the utility model, and comprises a main beam 1 and two support legs 2, wherein the two support legs 2 are respectively provided with two ends of the main beam 1 and form a portal structure, each support leg 2 comprises a movable seat 21, an adjusting support 22 and an upper support 23, the top of the movable seat 21 and the top of the adjusting support 22 are respectively provided with a first vertical butt joint part 3, the bottom of the adjusting support 22 and the bottom of the upper support 23 are respectively provided with a second vertical butt joint part 4 which can be in butt joint with the first vertical butt joint part 3, the first vertical butt joint part 3 of the movable seat 21 is detachably connected with the second vertical butt joint part 4 of the adjusting support 22, the second vertical butt joint part 4 of the upper support 23 is detachably connected with the first vertical butt joint part 3 of the adjusting support 22, and the two ends of the main beam 1 are respectively provided with the upper supports 23 of the two support legs 2.
Because the first vertical butt joint part 3 of the movable seat 21 is detachably connected with the second vertical butt joint part 4 of the adjusting support 22, the second vertical butt joint part 4 of the upper support 23 is detachably connected with the first vertical butt joint part 3 of the adjusting support 22, the first vertical butt joint part 3 is arranged at the top of the movable seat 21 and the top of the adjusting support 22, the second vertical butt joint parts 4 which can be in butt joint with the first vertical butt joint part 3 are arranged at the bottom of the adjusting support 22 and the bottom of the upper support 23, when encountering a tunnel with smaller hole diameter, the adjusting support 22 can be removed, and the second vertical butt joint part 4 at the bottom of the upper support 23 is connected with the first vertical butt joint part 3 at the top of the movable seat 21 so as to reduce the whole height, thereby adapting to the smaller tunnel, namely, the movable seat is not limited to the use of lifting construction in a single hole tunnel, and has strong applicability and high utilization rate.
Further, in this embodiment, the butted first vertical butting portion 3 and the second vertical butting portion 4 are fixedly connected by the first butting bolt 31. Simple structure, easy dismounting.
Further, in this embodiment, the main beam 1 includes a fixed section 11, two adjusting sections 12 and two connecting seats 13, one end of each adjusting section 12 and two ends of each fixed section 11 are respectively provided with a first transverse butt joint portion 5, the other end of each adjusting section 12 and the two connecting seats 13 are respectively provided with a second transverse butt joint portion 6 which can be in butt joint with the first transverse butt joint portion 5, the two connecting seats 13 are respectively arranged on the upper supporting frames 23 of the two supporting legs 2, the second transverse butt joint portions 6 of the two connecting seats 13 are respectively detachably connected with the first transverse butt joint portions 5 of the two adjusting sections 12, and the first transverse butt joint portions 5 at two ends of each fixed section 11 are respectively detachably connected with the second transverse butt joint portions 6 of the two adjusting sections 12. Like this, when meetting the tunnel that the hole footpath is less, still can demolish the adjustment section 12, with the first horizontal butt joint portion 5 of fixed section 11 and the horizontal butt joint portion 6 direct connection of the second of connecting seat 13 again to reduce whole width, thereby adapt to less tunnel, further improve suitability strong and the utilization ratio.
Further, in this embodiment, the butted first transverse butt joint part 5 and the second transverse butt joint part 6 are fixedly connected by the second butt joint bolt 7. Simple structure, easy dismounting.
Further, in the present embodiment, the two connection seats 13 are respectively provided on the upper brackets 23 of the two legs 2 in a vertically adjustable manner. The height of the main beam 1 is convenient to adjust or the lifting operation requirement between high and low positions is met. When in use, the movable seat 21 is arranged on a track at the bottom of the tunnel, moves along the track, and the lifting mechanism is arranged on the main beam 1.
Further, in the present embodiment, the connecting seat 13 is movably sleeved on the upper bracket 23, and a telescopic mechanism is connected between the upper bracket 23 and the connecting seat. The telescopic mechanism is a conventional part of a telescopic cylinder, etc., and is provided between the connection base 13 and the upper bracket 23 in a conventional manner, and thus is not shown in the drawings.
Further, in the present embodiment, the top of the movable seat 21 is provided with a lower bracket 211, and the first vertical docking portion 3 of the movable seat 21 is provided at the top of the lower bracket 211. Further, the bottom end of the lower bracket 211 is fixedly connected with the top of the movable seat 21 by a fixing bolt.
Further, the lower bracket 211 has a regular trapezoid structure.
Embodiment two:
fig. 4 and 5 show a second embodiment of the gantry crane of the present utility model for use in construction of tunnels with different hole diameters, the structure of which is substantially the same as that of the first embodiment, except that: the first lateral butting portion 5 is provided with a socket hole 51, the second lateral butting portion 6 is provided with a plug-in portion 61 which is matched with the socket hole 51, and the plug-in portion 61 of the second lateral butting portion 6 is inserted into the corresponding socket hole 51 of the first lateral butting portion 5. The first transverse butt joint part 5 and the second transverse butt joint part 6 are in butt joint through the socket joint part 61 and the socket hole 51 in a sleeving manner, and the butt joint is easy and convenient.
Further, in the present embodiment, a first limit concave portion 611 and a first guide groove 612 are provided on a side wall of the socket portion 61, one end of the first guide groove 612 is communicated with the first limit concave portion 611, another end of the first guide groove is inserted into the socket hole 51 through the socket portion 61, a first limit ball 511 is provided on an inner wall of the socket hole 51, and the first limit ball 511 is located in the first limit concave portion 611. After the first transverse butt joint part 5 and the second transverse butt joint part 6 are preliminarily overlapped, under the rolling fit action of the first limit ball 511 and the first guide groove 612, the butt joint position is easier to reach, the first limit ball 511 is clamped in the first limit concave part 611, and the butt joint accuracy is improved.
Embodiment III:
Fig. 6 shows a third embodiment of the gantry crane according to the present utility model, which is suitable for use in construction of tunnels with different hole diameters, and has substantially the same structure as the first embodiment, except that: the first vertical butt joint part 3 is provided with a second limit ball 8, the second vertical butt joint part 4 is provided with a second limit concave part 9, and the top of the second limit ball 8 is matched and sleeved with the second limit concave part 9. The first vertical butt joint part 3 and the second vertical butt joint part 4 are easy to reach the butt joint position through the rolling action of the second limiting ball 8, the butt joint is indicated to be in place through the sleeving and matching position of the second limiting ball 8 and the second limiting concave part 9, and the accuracy of butt joint is improved.
While the utility model has been described in terms of preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.
Claims (10)
1. The utility model provides a gantry crane suitable for different hole footpath tunnel construction usefulness, includes girder (1) and two landing legs (2), two landing legs (2) set up the both ends of girder (1) respectively, form portal structure, its characterized in that: the landing leg (2) is including removing seat (21), regulation strut (22) and last strut (23), the top that removes seat (21) and the top of regulation strut (22) all are equipped with first vertical butt joint portion (3), the bottom of regulation strut (22) and the bottom of going up strut (23) all are equipped with second vertical butt joint portion (4) that can dock with first vertical butt joint portion (3), the first vertical butt joint portion (3) of removing seat (21) can dismantle with second vertical butt joint portion (4) of regulation strut (22) and be connected, the second vertical butt joint portion (4) of going up strut (23) can dismantle with first vertical butt joint portion (3) of regulation strut (22) and be connected, the both ends of girder (1) set up respectively in last strut (23) of two landing legs (2).
2. The gantry crane suitable for construction of tunnels with different hole diameters according to claim 1, wherein: the first vertical butt joint part (3) and the second vertical butt joint part (4) which are in butt joint are fixedly connected through a first butt joint bolt (31).
3. The gantry crane suitable for construction of tunnels with different hole diameters according to claim 1, wherein: the girder (1) comprises a fixed section (11), two adjusting sections (12) and two connecting seats (13), wherein one end of each adjusting section (12) and two ends of each fixed section (11) are respectively provided with a first transverse butt joint part (5), the other end of each adjusting section (12) and the two connecting seats (13) are respectively provided with a second transverse butt joint part (6) which can be in butt joint with the first transverse butt joint parts (5), the two connecting seats (13) are respectively arranged on upper supporting frames (23) of the two supporting legs (2), the two second transverse butt joint parts (6) of the two connecting seats (13) are respectively detachably connected with the first transverse butt joint parts (5) of the two adjusting sections (12), and the first transverse butt joint parts (5) at two ends of each fixed section (11) are respectively detachably connected with the second transverse butt joint parts (6) of the two adjusting sections (12).
4. A gantry crane suitable for use in construction of tunnels of different diameters as claimed in claim 3, wherein: the butted first transverse butting part (5) and the butted second transverse butting part (6) are fixedly connected through the second butting bolt (7).
5. A gantry crane suitable for use in construction of tunnels of different diameters as claimed in claim 3, wherein: the two connecting seats (13) are respectively arranged on the upper supporting frames (23) of the two supporting legs (2) in a lifting and adjusting mode.
6. The gantry crane suitable for construction of tunnels with different hole diameters according to claim 5, wherein: the connecting seat (13) is movably sleeved on the upper supporting frame (23), and a telescopic mechanism is connected between the connecting seat and the upper supporting frame (23).
7. A gantry crane suitable for use in construction of tunnels of different diameters as claimed in claim 3, wherein: the first transverse butt joint part (5) is provided with a socket hole (51), the second transverse butt joint part (6) is provided with a plug-in part (61) matched with the socket hole (51), and the plug-in part (61) of the second transverse butt joint part (6) is inserted into the socket hole (51) of the corresponding first transverse butt joint part (5).
8. The gantry crane suitable for construction of tunnels with different hole diameters according to claim 7, wherein: the side wall of the plug-in part (61) is provided with a first limit concave part (611) and a first guide groove (612), one end of the first guide groove (612) is communicated with the first limit concave part (611), the other end of the first guide groove is inserted into the socket hole (51) through penetrating the plug-in part (61), the inner wall of the socket hole (51) is provided with a first limit ball (511), and the first limit ball (511) is located in the first limit concave part (611).
9. Gantry crane suitable for construction of tunnels of different hole diameters according to any of the claims 1-8, characterized in that: the first vertical butt joint part (3) is provided with a second limit ball (8), the second vertical butt joint part (4) is provided with a second limit concave part (9), and the top of the second limit ball (8) is matched and sleeved with the second limit concave part (9).
10. Gantry crane suitable for construction of tunnels of different hole diameters according to any of the claims 1-8, characterized in that: the top of the movable seat (21) is provided with a lower supporting frame (211), and a first vertical butt joint part (3) of the movable seat (21) is arranged at the top of the lower supporting frame (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322724547.3U CN221027237U (en) | 2023-10-10 | 2023-10-10 | Gantry crane suitable for construction of tunnels with different hole diameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322724547.3U CN221027237U (en) | 2023-10-10 | 2023-10-10 | Gantry crane suitable for construction of tunnels with different hole diameters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221027237U true CN221027237U (en) | 2024-05-28 |
Family
ID=91177675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322724547.3U Active CN221027237U (en) | 2023-10-10 | 2023-10-10 | Gantry crane suitable for construction of tunnels with different hole diameters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221027237U (en) |
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2023
- 2023-10-10 CN CN202322724547.3U patent/CN221027237U/en active Active
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