CN211141313U - Portal crane suitable for hoisting low-height underground continuous wall reinforcement cage - Google Patents
Portal crane suitable for hoisting low-height underground continuous wall reinforcement cage Download PDFInfo
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- CN211141313U CN211141313U CN201922006761.9U CN201922006761U CN211141313U CN 211141313 U CN211141313 U CN 211141313U CN 201922006761 U CN201922006761 U CN 201922006761U CN 211141313 U CN211141313 U CN 211141313U
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Abstract
The utility model discloses a portal crane suitable for hoist and mount of low-height underground continuous wall steel reinforcement cage, including the main beam, the both ends of main beam are equipped with the chevron shape landing leg, be equipped with two electric block on the main beam, the last lifting hook that is connected with of electric block, chevron shape landing leg lower part is equipped with the walking wheel, the walking wheel has set the track, the track with main beam parallel arrangement. The utility model discloses have: simple structure, convenient to use is applicable to advantages such as low-height underground continuous wall steel reinforcement cage hoist and mount.
Description
Technical Field
The utility model relates to a municipal works deep basal pit retaining structure underground continuous wall construction equipment especially relates to a portal crane suitable for hoist and mount of low-height underground continuous wall steel reinforcement cage.
Background
In the process of constructing the enclosure structure of the deep foundation pit in municipal engineering (particularly subway stations), the common enclosure structure is an underground continuous wall, so that the safety is high, the integral rigidity is good, the anti-seepage performance is good, and the process is mature. However, the underground continuous wall is generally deep in depth, long in reinforcement cage length, generally formed by one-step processing, and subjected to one-step groove filling, and is generally poured with underwater concrete, but if a high-voltage line, an overpass (including a highway bridge, a pedestrian overpass and the like) or other building structures and the like are encountered above the construction position of the underground continuous wall, the underground continuous wall cannot be moved or moved at a low height, the cost is high, conventional underground continuous wall reinforcement cage hoisting equipment (2 crawler cranes, a main crane, a secondary crane, a double-crane hoisting and the like) cannot be implemented at the low height, and the enclosure structure cannot avoid the problems of reduction of safety and leakage resistance by using other supporting structures such as row piles and the like, so that a new hoisting equipment is urgently needed, and hoisting, turning over, straightening back, groove filling and connection of the underground continuous wall reinforcement cage are realized below the low height.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a simple structure, convenient to use is applicable to the portal crane of low-height underground continuous wall steel reinforcement cage hoist and mount.
In order to solve the technical problem, the utility model discloses a following technical scheme:
The utility model provides a portal crane suitable for hoist and mount of low-height underground continuous wall steel reinforcement cage, includes the main beam, the both ends of main beam are equipped with chevron shape landing leg, be equipped with two electric block on the main beam, the last lifting hook that is connected with of electric block, chevron shape landing leg lower part is equipped with the walking wheel, the walking wheel has set the track, the track with main beam parallel arrangement.
As a further improvement of the above technical solution: and electric hoist limit switches are arranged at two ends of the main beam.
As a further improvement of the above technical solution: and a high-voltage infrared alarm is mounted at the top of the main cross beam.
As a further improvement of the above technical solution: and a lower cross beam is connected between the two herringbone supporting legs.
As a further improvement of the above technical solution: the main beam and the herringbone supporting legs and the lower beam are connected through bolts.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a gantry crane suitable for hoist and mount of low-height underground continuous wall steel reinforcement cage, the main beam is supported by two sets of chevron shape landing legs, the chevron shape landing leg is convenient for straddle on underground continuous wall leads the wall, the span is narrow, and can be with the lower of hoist and mount height setting, the landing leg lower part is equipped with the walking wheel and sets the track in the same direction as the main beam direction, make this gantry crane be different from conventional gantry crane, the walking direction is vertical on the one hand, on the other hand hangs the thing direction and is the side, vertically, be equipped with two electric block on the main beam, two electric block lift by crane, the lifting capacity is big, be applicable to the hoist and mount of low-height underground.
Drawings
Fig. 1 is the utility model is suitable for a portal crane's of low-height underground continuous wall steel reinforcement cage hoist and mount owner looks the schematic structure.
Fig. 2 is the utility model is suitable for a portal crane of low-height underground continuous wall steel reinforcement cage hoist and mount looks sideways at the schematic structure.
Fig. 3 is a flow chart of the usage process of the present invention.
The reference numerals in the figures denote: 1. a main cross beam; 11. an electric hoist limit switch; 2. a herringbone landing leg; 3. an electric hoist; 4. a hook; 5. a traveling wheel; 6. a track; 7. a lower cross beam; 8. a guide wall; 81. a trough section; 9. a short section steel reinforcement cage.
Detailed Description
The invention is described in further detail below with reference to the drawings and specific examples.
Fig. 1 to fig. 2 show the utility model is suitable for an embodiment of portal crane of low-height underground continuous wall steel reinforcement cage hoist and mount, the portal crane suitable for low-height underground continuous wall steel reinforcement cage hoist and mount of this embodiment, including main beam 1, main beam 1's both ends are equipped with chevron shape landing leg 2, are equipped with two electric block 3 on the main beam 1, are connected with lifting hook 4 on the electric block 3, and chevron shape landing leg 2 lower part is equipped with walking wheel 5, and walking wheel 5 has set track 6, track 6 and main beam 1 parallel arrangement. Specifically, the method comprises the following steps: in this embodiment, the span of the gantry crane is 2.5m, the length of the longitudinal walking direction (along the direction of the main beam 1) is 6.3m, the total height is 8.7m, the height of the gantry crane can be 6.8m (the distance from the lifting hook 4 to the surface of the track 6), the lifting weight of the two groups of electric hoists 3 is 16t, the electric hoists 3 can be controlled by a handheld wireless remote controller, the two electric hoists 3 are preferably controlled in a linkage manner, and the gantry crane can be controlled independently and is particularly suitable for the segmental lifting of underground continuous wall steel reinforcement cages with the wall thicknesses of 3 m-4.5 m, 0.8m and 1m, the gantry crane can turn over and return to the straight.
This portal crane suitable for hoist and mount of low-height underground continuous wall steel reinforcement cage, main beam 1 is supported by two sets of chevron shape landing leg 2, chevron shape landing leg 2 is convenient for straddle on underground continuous wall guide wall 8, the span is narrow, and can be lower with the setting of hoist and mount height, chevron shape landing leg 2 lower part is equipped with walking wheel 5 and sets track 6 in the same direction as main beam 1 direction, make this portal crane be different from conventional portal crane, the walking direction is vertical on the one hand, on the other hand hangs the thing direction and is the side, it is vertical, be equipped with two electric block 3 on the main beam 1, two electric block 3 lift and hang, the load lifting capacity is big, be applicable to hoist and mount of low-height underground continuous wall steel reinforcement.
As a preferable technical solution, in this embodiment, two ends of the main beam 1 are provided with electric hoist limit switches 11. The position of the electric hoist 3 can be limited by the limit switch 11, and the reliability of the gantry crane is further improved.
In the present embodiment, a high-voltage infrared alarm (not shown in the figure) is installed on the top of the main beam 1. When the top of the gantry crane has induced current, the high-voltage wire infrared alarm gives out audible and visual alarm, so that the safety and reliability of the gantry crane under the high-voltage wire are ensured.
As a preferred technical solution, in the present embodiment, a lower cross beam 7 is connected between the two chevron legs 2. The lower beam 7 can connect the lower parts of the two herringbone supporting legs 2 into a whole, so that the structural strength and the reliability of the gantry crane are further improved.
In the present embodiment, as a preferable technical solution, the main beam 1 and the chevron leg 2, and the chevron leg 2 and the lower beam 7 are connected by bolts. Each part is connected by bolts, the structure is simple and reliable, and the disassembly and the transportation are convenient.
As shown in figure 3, when the gantry crane suitable for hoisting the low-height underground continuous wall reinforcement cage is used for hoisting the low-height underground continuous wall reinforcement cage in sections, 5-6 m short reinforcement cages are transported to a groove-entering position by a truck-mounted crane, placed to the ground and straightened, perpendicular to the direction of the gantry crane, and the hoisting position is aligned to the gantry crane, the double-lifting hook 4 is matched with a carrying pole and a steel wire rope to finish the lifting, straightening, lifting and groove-entering of the short reinforcement cages, and after the grooves are formed, the steel carrying pole is used for fixing the reinforcement cage at the position of a guide wall 8 to be connected with the next section. After the first section of the steel reinforcement cage enters the groove, the steel carrying pole is adopted to fix the steel reinforcement cage on the guide wall 8, the gantry crane is continuously adopted to carry out lifting, straightening and butt joint on the second section of the steel reinforcement cage, and the next circulation is carried out.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. 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 (5)
1. The utility model provides a portal crane suitable for hoist and mount of low-height underground continuous wall steel reinforcement cage which characterized in that: including main beam (1), the both ends of main beam (1) are equipped with chevron shape landing leg (2), be equipped with two electric block (3) on main beam (1), be connected with lifting hook (4) on electric block (3), chevron shape landing leg (2) lower part is equipped with walking wheel (5), walking wheel (5) have set track (6), track (6) with main beam (1) parallel arrangement.
2. The gantry crane suitable for hoisting the reinforcement cage of the low-height underground continuous wall as claimed in claim 1, wherein: and electric hoist limit switches (11) are arranged at two ends of the main beam (1).
3. The gantry crane suitable for hoisting the reinforcement cage of the low-height underground continuous wall as claimed in claim 1, wherein: and a high-voltage infrared alarm is installed at the top of the main beam (1).
4. The gantry crane suitable for hoisting the reinforcement cage of the low-height underground continuous wall as claimed in any one of claims 1 to 3, wherein: a lower cross beam (7) is connected between the two herringbone supporting legs (2).
5. The gantry crane suitable for hoisting the reinforcement cage of the low-height underground continuous wall as claimed in claim 4, wherein: the main beam (1) and the herringbone supporting leg (2) and the lower beam (7) are connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006761.9U CN211141313U (en) | 2019-11-19 | 2019-11-19 | Portal crane suitable for hoisting low-height underground continuous wall reinforcement cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006761.9U CN211141313U (en) | 2019-11-19 | 2019-11-19 | Portal crane suitable for hoisting low-height underground continuous wall reinforcement cage |
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| Publication Number | Publication Date |
|---|---|
| CN211141313U true CN211141313U (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922006761.9U Active CN211141313U (en) | 2019-11-19 | 2019-11-19 | Portal crane suitable for hoisting low-height underground continuous wall reinforcement cage |
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| CN (1) | CN211141313U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111532977A (en) * | 2020-06-18 | 2020-08-14 | 中铁十四局集团第四工程有限公司 | Gate-type ground is wall steel reinforcement cage hoist and mount hoisting apparatus even |
| CN114348888A (en) * | 2022-01-06 | 2022-04-15 | 中国五冶集团有限公司 | Auxiliary device for converting hoisting points of reinforcement cage of underground continuous wall and construction process |
-
2019
- 2019-11-19 CN CN201922006761.9U patent/CN211141313U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111532977A (en) * | 2020-06-18 | 2020-08-14 | 中铁十四局集团第四工程有限公司 | Gate-type ground is wall steel reinforcement cage hoist and mount hoisting apparatus even |
| CN114348888A (en) * | 2022-01-06 | 2022-04-15 | 中国五冶集团有限公司 | Auxiliary device for converting hoisting points of reinforcement cage of underground continuous wall and construction process |
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