CN210915021U - Large-tonnage hoisting device for bridge - Google Patents
Large-tonnage hoisting device for bridge Download PDFInfo
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- CN210915021U CN210915021U CN201921566669.1U CN201921566669U CN210915021U CN 210915021 U CN210915021 U CN 210915021U CN 201921566669 U CN201921566669 U CN 201921566669U CN 210915021 U CN210915021 U CN 210915021U
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- bridge
- hoisting device
- reinforced concrete
- flat car
- fixedly arranged
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- 239000011150 reinforced concrete Substances 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 238000010276 construction Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 230000032258 transport Effects 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a large-tonnage hoist device for bridge, including two portal cranes and a longitudinal slide, the bottom of two portal cranes is all fixed and is equipped with reinforced concrete column, and longitudinal slide's bottom is also fixed and is equipped with a plurality of reinforced concrete column, and a plurality of reinforced concrete column all pegs graft and fixes in ground, and longitudinal slide's top is provided with the flatbed, and two portal cranes all set up with the flatbed is perpendicular, and two portal cranes are located the top at flatbed both ends respectively. The utility model discloses a bridge that two portal cranes will need to install is hoisted from the transport vechicle, transports the top of flatbed, stimulates the flatbed through hoist engine rolling wire rope after that, and then carries the bridge that needs to install and compare in traditional crawler crane, and whole weight is less, and the foundation bearing capacity requirement to construction space and place is lower, and adaptability is stronger, can be applicable to the most installation site.
Description
Technical Field
The utility model relates to a hoist device specifically is a large-tonnage hoist device for bridge.
Background
The steel structure bridge is generally very heavy, and generally, 400 tons to 800 tons of crawler cranes are adopted for hoisting, but the crawler cranes have extremely high requirements on the bearing capacity of the foundation of a construction space and a site, have low adaptability and cannot be applied to most installation sites. Therefore, the improvement is made, and the large-tonnage hoisting device for the bridge is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a large-tonnage hoisting device for bridge, which comprises two portal cranes and a longitudinal slideway, wherein two reinforced concrete columns are fixedly arranged at the bottom of the portal cranes, a plurality of reinforced concrete columns are also fixedly arranged at the bottom of the longitudinal slideway, a plurality of reinforced concrete columns are fixedly spliced and fixed in the ground, a flat car is arranged at the top of the longitudinal slideway, the two portal cranes are vertically arranged with the flat car, the two portal cranes are respectively positioned at the tops of two ends of the flat car, rollers are fixedly arranged at two sides of the bottom end of the flat car, walking tracks are fixedly arranged at two sides of the top of the longitudinal slideway, the rollers are matched with the walking tracks, the bottom end of the rollers is tightly attached to the top ends of the walking tracks, a pier body is fixedly arranged on the ground at the end of the longitudinal slideway far away from the portal cranes, a winch is fixedly arranged at one side of the pier body close to the longitudinal slideway, the winch is fixedly connected with the end part of the flat car through a steel wire rope.
As a preferred technical scheme of the utility model, longitudinal slide includes a plurality of steel pipe stand and a plurality of channel steel, a plurality of the steel pipe stand divide into two rows, two rows the bottom of steel pipe stand is all fixed and is equipped with reinforced concrete column, a plurality of connect fixedly through a plurality of channel steel between the steel pipe stand.
As an optimal technical scheme of the utility model, hoist on the portal crane is equipped with the movable pulley through the rope hoist, the bottom mounting of movable pulley is equipped with the lifting hook, it is equipped with the bundle rope to hang on the lifting hook.
As the utility model discloses a preferred technical scheme, eight race have been seted up on the movable pulley, the rope of hoist passes eight race in proper order on the portal crane.
As an optimized technical scheme of the utility model, the gyro wheel has a plurality of, a plurality of the gyro wheel is equidistant to be distributed in the bottom of flatbed.
As a preferred technical scheme of the utility model, top and bottom that longitudinal slide is close to hoist engine one end are all fixed and are equipped with the fixed pulley, wire rope passes two fixed pulleys in proper order.
The utility model has the advantages that: this kind of large-tonnage hoist device for bridge, the bridge that will install through two portal cranes is hoisted from the haulage vehicle, transports the top of flatbed, pulls the flatbed through hoist engine rolling wire rope after that, and then carries the bridge that needs were installed, this kind of transport mode is compared in traditional crawler crane, whole weight is less, and the foundation bearing capacity requirement to construction space and place is lower, and adaptability is stronger, can be applicable to the most installation site.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the large-tonnage hoisting device for a bridge of the present invention;
fig. 2 is a schematic side view of the end of the large-tonnage lifting device for a bridge, which is far away from the gantry crane;
FIG. 3 is a schematic structural view of the front end of the large-tonnage hoisting device for a bridge of the present invention;
FIG. 4 is a schematic structural view of an end portion of the large-tonnage hoisting device for a bridge according to the present invention during operation;
fig. 5 is the enlarged structural diagram of the longitudinal slideway structure of the large-tonnage hoisting device for the bridge of the utility model.
In the figure: 1. a gantry crane; 2. a longitudinal slideway; 201. a steel pipe upright post; 202. channel steel; 3. A reinforced concrete column; 4. flatbed vehicle; 5. a roller; 6. a traveling rail; 7. a pier body; 8. a winch; 9. a wire rope; 10. a movable pulley; 11. a hook; 12. bundling the ropes; 13. and a fixed pulley.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in figures 1, 2, 3, 4 and 5, the utility model relates to a large-tonnage hoisting device for bridge, which comprises two portal cranes 1 and a longitudinal slideway 2, wherein the bottoms of the two portal cranes 1 are both fixedly provided with reinforced concrete columns 3, the bottom of the longitudinal slideway 2 is also fixedly provided with a plurality of reinforced concrete columns 3, a plurality of reinforced concrete columns 3 are all spliced and fixed in the ground, the top of the longitudinal slideway 2 is provided with a flat car 4, the two portal cranes 1 are both arranged perpendicular to the flat car 4, the two portal cranes 1 are respectively arranged at the tops of two ends of the flat car 4, both sides of the bottom end of the flat car 4 are both fixedly provided with rollers 5, both sides of the top of the longitudinal slideway 2 are both fixedly provided with walking rails 6, the rollers 5 are arranged in match with the walking rails 6, the bottom ends of the rollers 5 are tightly attached to the top ends of the walking rails 6, the ground at the end of the longitudinal slideway 2 far away from the portal cranes 1 is, and a winch 8 is fixedly arranged on one side of the top of the pier body 7 close to the longitudinal slide way 2, and the winch 8 is fixedly connected with the end part of the flat car 4 through a steel wire rope 9.
Wherein, longitudinal slide 2 includes a plurality of steel pipe stand 201 and a plurality of channel steel 202, and a plurality of steel pipe stand 201 divide into two rows, and the bottom of two rows of steel pipe stands 201 is all fixed and is equipped with reinforced concrete column 3, connects fixedly through a plurality of channel steel 202 between a plurality of steel pipe stand 201, and longitudinal slide 2 is formed by steel pipe stand 201 and channel steel 202 interconnect, and longitudinal slide 2 is whole to be the frame form, has higher intensity, is enough to bear great weight.
Wherein, the hoist on the portal crane 1 is equipped with movable pulley 10 through the rope hoist, and the bottom mounting of movable pulley 10 is equipped with lifting hook 11, hangs on the lifting hook 11 and is equipped with bundle rope 12, and the both ends of bundling rope 12 are convenient to be connected fixedly with the edge at bridge both ends, can be convenient for hoist the bridge that erects to needs like this, can guarantee the stability of hoist and mount simultaneously.
Eight wheel grooves are formed in the movable pulley 10, ropes of a crane on the gantry crane 1 sequentially penetrate through the eight wheel grooves, and the crane on the gantry crane 1 can lift objects with weight more than eight times of bearing force by using the characteristics of the pulley block through the eight wheel grooves.
Wherein, gyro wheel 5 has a plurality of, and a plurality of gyro wheel 5 equidistant distribution is in the bottom of flatbed 4, and equidistant distribution's gyro wheel 5 can let the atress between flatbed 4 and the walking track 6 more even, can guarantee that longitudinal slide 2, flatbed 4, gyro wheel 5 and walking track 6 have longer working life.
Wherein, the top and the bottom that longitudinal slide 2 is close to 8 one ends of hoist engine all are fixed and are equipped with fixed pulley 13, and two fixed pulleys 13 are passed in proper order to wire rope 9, change wire rope 9's direction through two fixed pulleys 13, and wire rope 9 just can not contact with longitudinal slide 2 like this, has so both changed wire rope 9 direction and has not caused the influence to wire rope 9's normal work.
When the device works, firstly, the device is installed and fixed at a proper position, a vehicle for transporting a bridge runs to the bottom of a gantry crane 1 and is positioned between two gantry cranes 1, then a rope of a crane on the gantry crane 1 is lowered downwards, two ends of two binding ropes 12 are respectively hung at four corners of the bridge to be hoisted, then the crane on the gantry crane 1 is started, a lifting hook 11 and the binding ropes 12 are driven to ascend through a movable pulley 10, a bridge box girder on the vehicle is lifted, then the crane on the gantry crane 1 moves towards the direction close to a flat car 4, the crane stops when moving to the top of the flat car 4, then the bridge box girder is placed on the top of the flat car 4 and the binding ropes 12 are untied, then a winch 8 is started, the winch 8 starts to wind a steel wire rope 9, the flat car 4 is driven to move towards the direction of a pier body 7, and the bridge box girder can be assembled when the flat car 4 moves in place, compare in traditional crawler crane, whole weight is less, and is lower to the foundation bearing capacity requirement in construction space and place, and the adaptability is stronger, can be applicable to the installation site of the great majority.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A large-tonnage hoisting device for a bridge comprises two gantry cranes (1) and a longitudinal slideway (2), and is characterized in that reinforced concrete columns (3) are fixedly arranged at the bottoms of the two gantry cranes (1), a plurality of reinforced concrete columns (3) are also fixedly arranged at the bottom of the longitudinal slideway (2), the plurality of reinforced concrete columns (3) are fixedly inserted and fixed in the ground, a flat car (4) is arranged at the top of the longitudinal slideway (2), the two gantry cranes (1) are vertically arranged with the flat car (4), the two gantry cranes (1) are respectively arranged at the tops of two ends of the flat car (4), rollers (5) are fixedly arranged at two sides of the bottom end of the flat car (4), walking rails (6) are fixedly arranged at two sides of the top of the longitudinal slideway (2), and the rollers (5) are matched with the walking rails (6), and the bottom of the roller (5) is tightly attached to the top end of the walking track (6), a pier body (7) is fixedly arranged on the ground, far away from one end of the gantry crane (1), of the longitudinal slide way (2), a winch (8) is fixedly arranged on one side, close to the longitudinal slide way (2), of the top of the pier body (7), and the winch (8) is fixedly connected with the end of the flat car (4) through a steel wire rope (9).
2. The large-tonnage hoisting device for the bridge as recited in claim 1, wherein the longitudinal slide (2) comprises a plurality of steel tube columns (201) and a plurality of channel steels (202), the plurality of steel tube columns (201) are divided into two rows, the bottom ends of the two rows of steel tube columns (201) are fixedly provided with reinforced concrete columns (3), and the plurality of steel tube columns (201) are fixedly connected through the plurality of channel steels (202).
3. The large-tonnage hoisting device for the bridge as recited in claim 1, wherein the crane on the gantry crane (1) is provided with a movable pulley (10) by a rope, the bottom end of the movable pulley (10) is fixedly provided with a hook (11), and the hook (11) is provided with a binding rope (12) in a hanging manner.
4. The large-tonnage hoisting device for the bridge as recited in claim 3, wherein eight wheel grooves are formed in the movable pulley (10), and a rope of a crane on the gantry crane (1) sequentially passes through the eight wheel grooves.
5. The large-tonnage hoisting device for the bridge as recited in claim 1, wherein there are a plurality of said rollers (5), and a plurality of said rollers (5) are equally spaced at the bottom of the flat car (4).
6. The large-tonnage hoisting device for the bridge as recited in claim 1, wherein fixed pulleys (13) are fixedly arranged at the top and the bottom of the longitudinal slideway (2) near one end of the winch (8), and the steel wire rope (9) sequentially passes through the two fixed pulleys (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921566669.1U CN210915021U (en) | 2019-09-19 | 2019-09-19 | Large-tonnage hoisting device for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921566669.1U CN210915021U (en) | 2019-09-19 | 2019-09-19 | Large-tonnage hoisting device for bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210915021U true CN210915021U (en) | 2020-07-03 |
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ID=71366028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921566669.1U Expired - Fee Related CN210915021U (en) | 2019-09-19 | 2019-09-19 | Large-tonnage hoisting device for bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210915021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615364A (en) * | 2019-09-19 | 2019-12-27 | 常州市市政建设工程有限公司 | Large-tonnage hoisting device for bridge |
-
2019
- 2019-09-19 CN CN201921566669.1U patent/CN210915021U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615364A (en) * | 2019-09-19 | 2019-12-27 | 常州市市政建设工程有限公司 | Large-tonnage hoisting device for bridge |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 |