CN214651394U - Concave trolley for transporting parallelogram of steel pipe in hole - Google Patents
Concave trolley for transporting parallelogram of steel pipe in hole Download PDFInfo
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- CN214651394U CN214651394U CN202023115537.2U CN202023115537U CN214651394U CN 214651394 U CN214651394 U CN 214651394U CN 202023115537 U CN202023115537 U CN 202023115537U CN 214651394 U CN214651394 U CN 214651394U
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- trolley
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- parallelogram
- steel pipe
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Abstract
The utility model discloses a concave type platform truck of steel pipe transportation parallelogram in hole, draw the otic placode including concave type frame, 2 box boundary beams, 4 running gear and 6. The concave parallelogram trolley effectively solves the problems and overcomes the limitation of walking and steering of the existing steel pipe transportation trolley in the hole. The trolley is novel in structure, safe, reliable, simple and convenient to operate, and capable of walking along the tracks of the mutual oblique crossing only by rotating the trolley walking device parts, so that the technical problem that various oblique crossing steering transported ultra-large steel pipes in a construction hole cannot be hoisted and pulled in place at one time is effectively solved.
Description
Technical Field
The utility model relates to a transportation equipment technical field especially relates to a concave type platform truck of steel pipe transportation parallelogram in hole.
Background
The buried pressure steel pipe of the hydropower station is transported into and installed from the construction branch tunnel, and due to the fact that installation space in the tunnel is limited, large-scale hoisting equipment cannot be adopted, and only a hoisting system can be adopted to cooperate with a transport trolley to carry out hoisting, transporting and traction operation in the tunnel. When the construction transportation branch tunnel and each diversion tunnel are arranged in an oblique crossing manner, the transportation tracks along the construction transportation branch tunnel cannot be vertically crossed. The conventional transport trolley in the tunnel is rectangular in structure, can only travel along mutually perpendicular rails and cannot steer and travel along the obliquely crossed rails at each crossing, and a hoisting and lifting system must be arranged at each crossing position again to hoist the steel pipe for the second time and then steer, so that the oblique crossing steering transportation of the steel pipe is realized. The construction method has the advantages that the hoisting and lifting systems are arranged after the top of each grotto intersection is expanded and excavated, the parallel operation interference is large, the equipment and cost investment is increased, the construction progress is influenced, and the installation of the pressure steel pipes is difficult to store.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve prior art's not enough, provide a concave type platform truck of steel pipe transportation parallelogram in hole, this platform truck has overcome in the conventional hole transportation platform truck and can only follow mutually perpendicular rail-engaging's limitation when turning to, provides one kind and can follow the steel pipe transportation platform truck of bevel rail-engaging.
The utility model adopts the technical proposal that:
a parallelogram concave trolley for transporting steel pipes in a tunnel comprises a concave frame, 2 box-type side beams, 4 traveling devices and 6 traction lug plates; the concave frame is positioned in the middle of the trolley and is of a parallelogram latticed concave structure formed by combining a plurality of arc-shaped cross beams, 2 arc-shaped end beams and connecting partition beams; the 2 box-type side beams are respectively positioned at two sides of the trolley and are arranged in a parallelogram shape, and each box-type side beam is combined by 2 webs and 1 cover plate; the 4 walking devices are respectively positioned at four corners of the bottom of the trolley, each walking device is combined into a whole by a roller assembly and a wheel frame, and the walking device can walk along an oblique crossing track after rotating. The 6 traction lug plates are arranged on four sides of the trolley and are respectively welded with a box type side beam web plate and a concave frame end beam to support multidirectional traction.
The parallelogram angle of the trolley is consistent with the oblique crossing angle of the steel pipe transportation and installation.
The radian of the concave frame is designed according to the diameter of the outer arc of the transported pressure steel pipe.
And a positioning bolt which is not loosened during steering is arranged at the center of the upper part of the wheel carrier of the walking device.
And 2 groups of bolt holes are arranged at the connecting position of the box-type side beam cover plate and the walking device, one group is a horizontal moving position connecting bolt hole, and the other group is an oblique position connecting bolt hole.
The utility model has the advantages that:
1. through practice, adopt the utility model discloses the transportation steel pipe has effectively solved various skew in the construction hole and has turned to the super large-scale steel pipe of transportation and can't once hoist and mount and pull the technological problem of taking one's place.
2. Adopt the utility model discloses the transportation steel pipe only needs to arrange one set of hoist lift system, can accomplish the installation of many diversion tunnel penstock, and parallel operation disturbs for a large amount of equipment and personnel's input have been practiced thrift for the construction progress, and direct economic benefits is showing.
3. The utility model discloses novel structure turns to nimble convenience, easy operation, and concave type frame is good with steel pipe radian laminating nature, and area of contact is big, and the focus is low, transports reliable and stable, and bearing capacity is big.
4. The utility model discloses the platform truck has overcome the limitation that only can follow mutually perpendicular rail running when transport table truck turns to in the conventional hole, and the practicality is strong, and the usage is extensive.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a structural diagram of the concave parallelogram trolley of the present invention.
FIG. 2 is a plan view of the transportation turning in the steel pipe hole.
FIG. 3 is a schematic view of transportation in a steel pipe hole.
In fig. 1-3, 1-parallelogram concave trolley, 2-steel pipe, 3-construction branch tunnel rail, 4-diversion tunnel rail, 5-diversion tunnel, 6-construction branch tunnel, 11-concave frame, 12-box type boundary beam, 13-running gear, 14-traction ear plate, 15-connecting bolt, 16-positioning bolt, 17-connecting bolt hole, 111-crossbeam, 112-end beam, 113-spacer beam, 121-cover plate, 122-web, 131-wheel carrier, 132-roller assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in figure 1, the main components of the concave trolley 1 for transporting steel pipes in a tunnel according to the present invention include 1 concave frame 11, 2 box- type side beams 12, 4 traveling devices 13 and 6 traction ear plates 14.
The concave frame 11 is located in the middle of the trolley, a parallelogram latticed concave structure is formed by combining a plurality of arc- shaped cross beams 111, 2 arc-shaped end beams 112 and a plurality of connecting partition beams 113, and the radian of the concave frame 11 is the same as that of the pressure steel pipe and is used for supporting and bearing the weight of the pressure steel pipe.
The 2 box-shaped side beams 12 are respectively positioned at two sides of the trolley and are arranged in a parallelogram shape, and each box-shaped side beam 12 is formed by combining 1 cover plate 121 and 2 web plates 122 and is used for bearing joint stress and connecting the walking device 13.
The 4 traveling devices 13 are respectively positioned at four corners of the bottom of the trolley and can travel along the oblique crossing rails after rotating. Each running gear 13 is composed of a wheel frame 131 and a roller assembly 132, the wheel frame 131 and the box-shaped edge beam cover plate 121 are fastened by connecting bolts 15, and the roller assembly 132 is of a single-wheel-rim structure and has the functions of rotation and self-lubrication.
The 6 traction ear plates 14 are arranged on four sides of the trolley, are respectively connected with a box type side beam web plate 122 and a concave frame arc-shaped end beam 112, and support traction in four directions, namely front, back, left and right.
The parallelogram angle of the trolley is consistent with the oblique crossing angle of the steel pipe transportation and installation.
The center of the upper part of the traveling device wheel frame 131 is provided with a positioning bolt 16 which can not be loosened when the traveling device 13 rotates, and the positioning bolt 16 is used as a rotation fulcrum when the traveling device 13 rotates for facilitating positioning connection after rotation.
2 groups (4 in each group) of bolt holes 17 are arranged at the connecting position of the box-shaped side beam cover plate 121 and the traveling device wheel carrier 131, one group is used for the traveling device 13 to move horizontally, the other group is used for the traveling device 13 to rotate by an angle, and the positions of the bolt holes 17 are determined by calculation or lofting according to the oblique crossing angle.
As shown in figures 1-3, the main work flow of the transportation of the pressure steel pipe in the hole by using the device of the utility model is as follows:
a construction branch tunnel rail 3 and a diversion tunnel rail 4 which are parallel to the axis of a cavern are laid in the whole process from the unloading position of a construction branch tunnel steel pipe to the installation position of each diversion tunnel, a parallelogram concave type trolley 1 is placed on the construction branch tunnel rail 3, a steel pipe 2 is placed on the parallelogram concave type trolley 1 along the installation axis direction after being unloaded, a winch steel wire rope arranged in a construction branch tunnel 6 is hung on a traction lug plate 14 and travels to a cavern intersection along the construction branch tunnel rail 3, a jack is adopted to jack the trolley, the rim of a roller assembly 131 is slightly higher than the plane of the rail, a traveling device 13 is rotated to the rear along the direction of the diversion tunnel rail 4, the jack is dismantled to drop the trolley, and the winch arranged in the diversion tunnel 5 is used for traction to travel along the rail 4 to place to the installation position.
Claims (5)
1. The utility model provides a concave type platform truck of hole steel pipe transportation parallelogram which characterized in that: the in-hole steel pipe transportation parallelogram concave trolley comprises a concave frame, 2 box-type side beams, 4 traveling devices and 6 traction lug plates;
the concave frame is positioned in the middle of the trolley and is of a parallelogram latticed concave structure formed by combining a plurality of arc-shaped cross beams, 2 arc-shaped end beams and connecting partition beams;
the 2 box-type side beams are respectively positioned at two sides of the trolley and are arranged in a parallelogram shape, and each box-type side beam is formed by combining 2 webs and 1 cover plate;
the 4 walking devices are respectively positioned at four corners of the bottom of the trolley, each walking device is combined into a whole by a roller assembly and a wheel frame, and can walk along an oblique crossing track after rotating;
the 6 traction lug plates are arranged on four sides of the trolley and are respectively welded with a box type side beam web plate and a concave frame end beam to support multidirectional traction.
2. The in-hole steel pipe transportation parallelogram concave trolley of claim 1, which is characterized in that: the parallelogram angle is consistent with the steel pipe transportation and installation oblique crossing angle.
3. The in-hole steel pipe transportation parallelogram concave trolley of claim 1, which is characterized in that: the radian of the concave frame is designed according to the outer arc of the transported pressure steel pipe.
4. The in-hole steel pipe transportation parallelogram concave trolley of claim 1, which is characterized in that: and a positioning bolt which is not loosened during steering is arranged at the center of the upper part of the wheel carrier of the walking device.
5. The in-hole steel pipe transportation parallelogram concave trolley of claim 1, which is characterized in that: and 2 groups of bolt holes are arranged at the connecting position of the box-type side beam cover plate and the walking device, one group is a horizontal moving position connecting bolt hole, and the other group is an oblique position connecting bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023115537.2U CN214651394U (en) | 2020-12-22 | 2020-12-22 | Concave trolley for transporting parallelogram of steel pipe in hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023115537.2U CN214651394U (en) | 2020-12-22 | 2020-12-22 | Concave trolley for transporting parallelogram of steel pipe in hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214651394U true CN214651394U (en) | 2021-11-09 |
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ID=78501722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023115537.2U Active CN214651394U (en) | 2020-12-22 | 2020-12-22 | Concave trolley for transporting parallelogram of steel pipe in hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214651394U (en) |
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2020
- 2020-12-22 CN CN202023115537.2U patent/CN214651394U/en active Active
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