CN218560910U - Prefabricated inverted arch hoisting equipment - Google Patents
Prefabricated inverted arch hoisting equipment Download PDFInfo
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- CN218560910U CN218560910U CN202223154380.3U CN202223154380U CN218560910U CN 218560910 U CN218560910 U CN 218560910U CN 202223154380 U CN202223154380 U CN 202223154380U CN 218560910 U CN218560910 U CN 218560910U
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- hoisting
- inverted arch
- prefabricated inverted
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Abstract
The utility model discloses a prefabricated invert lifting device, including hoisting support, the prefabricated invert hoisting dolly that can remove on hoisting support and the pontic of arranging along the fore-and-aft direction, pontic slidable locates hoisting support front end lower part. The using method comprises the following steps of S1, before the prefabricated inverted arch constructed in the previous process fails to bear the load, using the bridge body as a vehicle passing channel; s2, transporting the prefabricated inverted arch to be hoisted to the position below the rear end of the hoisting support by a transport vehicle, and moving the bridge forward to give way to the construction position of the next process; s3, hoisting each prefabricated inverted arch to be hoisted to a corresponding installation position by using the prefabricated inverted arch hoisting trolley; and S4, moving the bridge body backwards until the rear end of the bridge body is erected on a prefabricated inverted arch capable of bearing, and using the bridge body as a vehicle passing channel. The utility model has the advantages of simple structure can once only install the prefabricated inverted arch of polylith, and the vehicle can in time pass, is favorable to improving the efficiency of construction.
Description
Technical Field
The utility model relates to a tunnel construction equipment especially relates to a prefabricated inverted arch lifting device.
Background
At present, scheme is assembled to prefabricated invert in the tunnel, mainly adopts cantilever type equipment of lifting by crane, and the defect that this type of equipment exists lies in: the installation polylith once only to after the prefabricated inverted arch is assembled because the below need carry out slip casting and other constructions, lead to the vehicle can't be in time current, in the tunnel excavation construction, if can in time satisfy current, can improve the efficiency of construction by a wide margin.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome prior art not enough, provide a simple structure, can once only install the prefabricated invert of polylith, the vehicle can be in time current, is favorable to improving efficiency of construction's prefabricated invert lifting device.
The utility model further provides an above-mentioned prefabricated invert lifting device's application method.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a prefabricated invert lifting device, includes hoisting support, can be on hoisting support prefabricated invert hoisting trolley and the pontic of arranging along the fore-and-aft direction of removal, pontic slidable locates hoisting support front end lower part.
As a further improvement of the above technical solution: the front end of the hoisting support is provided with telescopic legs, and the bridge body is arranged on the telescopic legs.
As a further improvement of the above technical solution: and two ends of the hoisting support are provided with walking mechanisms.
As a further improvement of the technical scheme: the hoisting support is provided with a longitudinal guide rail, and the prefabricated inverted arch hoisting trolley comprises a longitudinal moving mechanism arranged on the longitudinal guide rail, a transverse guide rail arranged on the longitudinal moving mechanism, a transverse moving mechanism arranged on the transverse guide rail and a hoisting component arranged on the transverse moving mechanism.
As a further improvement of the technical scheme: the hoisting part is rotatably connected with the transverse moving mechanism.
As a further improvement of the technical scheme: the bridge body comprises a main body arranged on the hoisting support and a transition bridge arranged at the front end of the main body and inclined downwards.
As a further improvement of the above technical solution: the transition bridge is hinged to the main body, and a driving piece used for driving the transition bridge to rotate up and down is arranged on the main body.
As a further improvement of the above technical solution: the bridge body left and right sides is equipped with the guide part, the hoist and mount support in the top and the below of guide part are equipped with guide pulley block.
The use method of the prefabricated inverted arch hoisting equipment comprises the following steps:
s1, before the prefabricated inverted arch constructed in the previous process cannot bear the weight, the bridge body is used as a vehicle passing channel;
s2, transporting the prefabricated inverted arch to be hoisted to the position below the rear end of the hoisting support by a transport vehicle, and moving the bridge forward to give out the construction position of the next procedure;
s3, hoisting each prefabricated inverted arch to be hoisted to a corresponding installation position by using the prefabricated inverted arch hoisting trolley;
and S4, moving the bridge body backwards until the rear end of the bridge body is erected on a prefabricated inverted arch capable of bearing, and using the bridge body as a vehicle passing channel.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a prefabricated inverted arch hoisting equipment, the hoisting support is provided with a prefabricated inverted arch hoisting trolley, the lower part of the front end of the hoisting support is provided with a bridge body capable of sliding back and forth, the bridge body slides forward to give way to the construction position of the next process, at the moment, the prefabricated inverted arch hoisting trolley can hoist all prefabricated inverted arches of the current process from a transport vehicle to the position to be installed, and the installation is completed by constructors subsequently; before the bearing is failed to the prefabricated inverted arch, the bridge body slides backwards to lap the rear end on the prefabricated inverted arch capable of bearing, and the vehicle can pass through from the bridge body in the state, so that the structure is simple, the timely passing requirement of the vehicle can be met, and the construction efficiency is greatly improved.
The utility model discloses a use method of prefabricated inverted arch hoisting equipment, after a bridge body slides forwards to give way to a next procedure construction position, all prefabricated inverted arches in the current procedure can be hoisted to a position to be installed from a transport vehicle, and then installation is completed by constructors; before the prefabricated inverted arch fails to bear the weight, the bridge body slides backwards to overlap the rear end of the bridge body on the prefabricated inverted arch capable of bearing the weight, the vehicle can pass through the bridge body in the state, the operation is simple, the timely passing requirement of the vehicle can be met, and therefore the construction efficiency is greatly improved.
Drawings
Figure 1 is the utility model discloses the structural schematic diagram of prefabricated inverted arch lifting device side.
Fig. 2 is the utility model discloses the structural schematic diagram of prefabricated invert lifting device terminal surface.
Fig. 3 is a schematic flow chart of the using method of the prefabricated inverted arch hoisting device of the present invention.
The reference numerals in the figures denote: 1. a bridge body; 11. a main body; 12. a transition bridge; 13. a drive member; 14. a guide portion; 2. prefabricating an inverted arch hoisting trolley; 21. a longitudinal moving mechanism; 22. a transverse guide rail; 23. a traversing mechanism; 24. hoisting the component; 3. hoisting a support; 31. a telescopic leg; 32. a traveling mechanism; 33. a longitudinal guide rail; 34. a guide pulley block; 4. and (4) prefabricating an inverted arch.
Detailed Description
As used in this section and in the claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are inclusive in the plural unless the context clearly dictates otherwise. The use of "first," "second," and similar terms in this section do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Similarly, the word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
The invention is described in further detail below with reference to the drawings and specific examples.
Example one
As shown in fig. 1 and fig. 2, the prefabricated inverted arch hoisting device of this embodiment includes a hoisting support 3, a prefabricated inverted arch hoisting trolley 2 capable of moving on the hoisting support 3, and a bridge body 1 arranged longitudinally, wherein the bridge body 1 is slidably disposed at a lower portion of a front end of the hoisting support 3. It should be noted that the longitudinal direction and the front-back direction are the length direction of the tunnel, correspondingly, the transverse direction and the left-right direction are the width direction of the tunnel, one end of the bridge body 1 close to the excavation area is the front end, and correspondingly, one end of the bridge body 1 close to the installed prefabricated inverted arch 4 is the rear end. The mode of hoisting the prefabricated inverted arch 4 by the prefabricated inverted arch hoisting trolley 2 is the same as the existing hoisting mode, such as a lifting hook matched with a hanging strip, a steel cable and the like, and the description is omitted.
According to the prefabricated inverted arch hoisting equipment, a prefabricated inverted arch hoisting trolley 2 is arranged on a hoisting support 3, a bridge body 1 capable of sliding back and forth is arranged on the lower portion of the front end of the prefabricated inverted arch hoisting equipment, the bridge body 1 slides forwards to give way to a construction position of the next process, at the moment, the prefabricated inverted arch hoisting trolley 2 can hoist all prefabricated inverted arches 4 of the current process to a position to be installed from a transport vehicle, and then installation is completed by constructors; before prefabricated inverted arch 4 can not bear the weight of, the pontic 1 slides backward with the rear end overlap joint on prefabricated inverted arch 4 that can bear the weight of, the vehicle can pass from pontic 1 under this kind of state, simple structure can satisfy the timely current needs of vehicle to improve the efficiency of construction greatly.
Further, in this embodiment, the front end of the hoisting support 3 is provided with a telescopic leg 31, and the bridge body 1 is arranged on the telescopic leg 31. The front end adopts flexible landing leg 31, can adapt to the circumstances such as the ground unevenness, overexcavation or owe dig, simple structure, reasonable. The telescopic supporting leg 31 may be of various telescopic modes, for example, it includes a multi-section sleeve, a sliding rail, etc., two adjacent sections are sleeved and slidingly butted with each other, and are driven by an oil cylinder, an electric push rod, etc. to extend and retract, which is not described in detail.
Further, in this embodiment, the hoisting bracket 3 is provided with traveling mechanisms 32 at two ends. After the construction of the current process is completed, the traveling mechanism 32 can autonomously drive the hoisting support 3 to travel forwards, and the use is more convenient. Wherein the running gear 32 can be, for example, a rubber wheel, a wheel box and/or a crawler mechanism, etc., and will not be described in detail.
Further, in this embodiment, the hoisting support 3 is provided with a longitudinal rail 33, and the prefabricated inverted arch hoisting trolley 2 includes a longitudinal moving mechanism 21 disposed on the longitudinal rail 33, a transverse rail 22 disposed on the longitudinal moving mechanism 21, a transverse moving mechanism 23 disposed on the transverse rail 22, and a hoisting member 24 disposed on the transverse moving mechanism 23. When the transverse moving mechanism 23 moves along the transverse guide rail 22, the hoisting component 24 and the hoisted prefabricated inverted arch 4 can be driven to move transversely to adjust the position, and correspondingly, when the longitudinal moving mechanism 21 moves along the longitudinal guide rail 33, the transverse guide rail 22, the transverse moving mechanism 23, the hoisting component 24 and the hoisted prefabricated inverted arch 4 can be driven to move longitudinally to adjust the position, so that the prefabricated inverted arch 4 can be accurately hoisted to the corresponding installation position from a transport vehicle.
Furthermore, in this embodiment, the hoisting component 24 is rotatably connected to the traversing mechanism 23, specifically, the hoisting component 24 or the prefabricated inverted arch 4 to be hoisted may be manually rotated by a constructor, and the hoisting component 24 may also be actively driven to rotate by a driving component (for example, a rotary cylinder, a motor, etc.). When the placing direction of the prefabricated inverted arch 4 on the transport vehicle is vertical to the installing direction, the prefabricated inverted arch can rotate after being lifted, the subsequent installation is convenient, and the structure is simple and reasonable.
Further, in this embodiment, the bridge body 1 includes a main body 11 disposed on the hoisting bracket 3 and a transition bridge 12 disposed at the front end of the main body 11 and inclined downward. The transition bridge 12 can eliminate the height difference between the main body 11 and the front end excavation area, facilitates vehicles to smoothly go up and down the main body 11, and is simple and reliable in structure.
Furthermore, in this embodiment, the transition bridge 12 is hinged to the main body 11, and the main body 11 is provided with a driving member 13 (such as an oil cylinder, an electric push rod, etc.) for driving the transition bridge 12 to rotate up and down, so that on one hand, the inclination angle of the transition bridge 12 is convenient to adjust, and the adaptability is improved, and on the other hand, when the bridge body 1 needs to move forward to the next process, the transition bridge 12 can be lifted up, so as to avoid interference, and the bridge is simple and reasonable in structure and more convenient to use.
Further, in this embodiment, the left and right sides of the bridge body 1 are provided with the guiding portions 14, and the hoisting support 3 is provided with the guiding pulley blocks 34 above and below the guiding portions 14. The guide part 14 is matched with the guide pulley block 34, so that the resistance of the bridge body 1 during front and back sliding can be reduced, a guide effect is provided, the position of the bridge body 1 is prevented from shifting and shaking up and down, and the structure is simple and effective.
Example two
Fig. 3 shows an embodiment of the present invention, which is a method for using the prefabricated inverted arch hoisting device of this embodiment, the method includes the following steps:
s1, before the prefabricated inverted arch 4 constructed in the previous process cannot bear the load, the bridge body 1 is used as a vehicle passing channel, specifically referring to FIG. 3a, at the moment, the front end of the bridge body 1 is erected in a front end excavation area, and the rear end of the bridge body is erected on the prefabricated inverted arch 4 capable of bearing the load;
s2, transporting the prefabricated inverted arch 4 to be hoisted to the position below the rear end of the hoisting support 3 by a transport vehicle, and moving the bridge body 1 forwards to enable the construction position of the next working procedure, specifically referring to FIG. 3b, wherein the front end of the bridge body 1 is erected in a front end excavation area, the rear end of the bridge body is close to the hoisting support 3, and the guide pulley block 34 below the guide part 14 provides support;
s3, hoisting each prefabricated inverted arch 4 to be hoisted to a corresponding installation position by the prefabricated inverted arch hoisting trolley 2, specifically referring to the figures 3c to 3e, wherein the hoisting process specifically comprises the steps of ascending the prefabricated inverted arch 4, rotating the prefabricated inverted arch by 90 degrees to an installation angle, then moving the fine adjustment position longitudinally and transversely, finally descending the prefabricated inverted arch 4 to a required installation position, then completing the installation of the prefabricated inverted arch 4 by constructors, resetting the prefabricated inverted arch hoisting trolley 2, and circularly completing the installation of all prefabricated inverted arches 4 in the current process;
and S4, moving the bridge body 1 backwards until the rear end of the bridge body is erected on the prefabricated inverted arch 4 capable of bearing, and using the bridge body 1 as a vehicle passing channel, specifically referring to FIG. 3f, wherein the front end of the bridge body 1 is erected on a front end excavation area, and the rear end of the bridge body is erected on the prefabricated inverted arch 4 capable of bearing at the forefront.
And (4) performing circulating construction according to the steps, and efficiently finishing the installation of the whole tunnel prefabricated inverted arch 4.
In the using method of the prefabricated inverted arch hoisting equipment, after the bridge body 1 slides forwards to give way to a next procedure construction station, all prefabricated inverted arches 4 in the current procedure can be hoisted to positions to be installed from a transport vehicle, and then installation is completed by constructors; before the prefabricated inverted arch 4 can not bear the weight, the bridge body 1 slides backwards to overlap the rear end of the bridge body on the prefabricated inverted arch 4 capable of bearing the weight, and the vehicle can pass through the bridge body 1 in the state, so that the operation is simple, the timely passing requirement of the vehicle can be met, and the construction efficiency is greatly improved.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a prefabricated inverted arch lifting device which characterized in that: including hoisting support (3), can be on hoisting support (3) prefabricated inverted arch hoisting trolley (2) that move and pontic (1) of arranging along the fore-and-aft direction, pontic (1) slidable locates hoisting support (3) front end lower part.
2. The prefabricated inverted arch hoisting device of claim 1, wherein: the front end of the hoisting support (3) is provided with telescopic supporting legs (31), and the bridge body (1) is arranged on the telescopic supporting legs (31).
3. The prefabricated inverted arch hoisting device of claim 1, wherein: and two ends of the hoisting support (3) are provided with traveling mechanisms (32).
4. The prefabricated inverted arch hoisting device of claim 1, wherein: be equipped with longitudinal rail (33) on hoisting support (3), prefabricated invert hoist and mount dolly (2) is including locating longitudinal rail (33) indulge move mechanism (21), locate transverse guide (22) on indulging move mechanism (21), locate sideslip mechanism (23) on transverse guide (22) and locate hoist and mount part (24) on sideslip mechanism (23).
5. The prefabricated inverted arch hoisting device of claim 4, wherein: the hoisting part (24) is rotatably connected with the transverse moving mechanism (23).
6. Prefabricated inverted arch hoisting equipment according to any one of claims 1 to 5, characterized in that: the bridge body (1) comprises a main body (11) arranged on the hoisting support (3) and a transition bridge (12) arranged at the front end of the main body (11) and inclined downwards.
7. The prefabricated inverted arch hoisting device of claim 6, wherein: the transition bridge (12) is hinged with the main body (11), and a driving piece (13) used for driving the transition bridge (12) to rotate up and down is arranged on the main body (11).
8. Prefabricated inverted arch hoisting equipment according to any one of claims 1 to 5, characterized in that: the bridge body (1) left and right sides is equipped with guide portion (14), hoisting support (3) in the top and the below of guide portion (14) are equipped with guide pulley block (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223154380.3U CN218560910U (en) | 2022-11-25 | 2022-11-25 | Prefabricated inverted arch hoisting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223154380.3U CN218560910U (en) | 2022-11-25 | 2022-11-25 | Prefabricated inverted arch hoisting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218560910U true CN218560910U (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223154380.3U Active CN218560910U (en) | 2022-11-25 | 2022-11-25 | Prefabricated inverted arch hoisting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218560910U (en) |
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- 2022-11-25 CN CN202223154380.3U patent/CN218560910U/en active Active
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