CN211368404U - Steel truss bridge diagonal member construction platform - Google Patents
Steel truss bridge diagonal member construction platform Download PDFInfo
- Publication number
- CN211368404U CN211368404U CN201921479828.4U CN201921479828U CN211368404U CN 211368404 U CN211368404 U CN 211368404U CN 201921479828 U CN201921479828 U CN 201921479828U CN 211368404 U CN211368404 U CN 211368404U
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- web member
- bottom plate
- platform
- diagonal web
- steel truss
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Abstract
The utility model provides a steel truss bridge diagonal web member construction platform relates to a steel truss bridge construction equipment. It has solved the poor, construction's of being not convenient for problem among the prior art stability. This steel truss bridge diagonal web member construction platform, including the bottom plate, enclose at floor rail all around, be provided with the bottom plate opening that the diagonal web member can pass on the bottom plate, it has the wedge to prevent weighing down the rubber circle to support between bottom plate opening and the diagonal web member, prevents that the bottom plate opening from following diagonal web member lapse. The workman realizes being under construction to oblique web member on the platform, and safety and stability is convenient for work. The utility model discloses this construction platform accomplishes the welding on ground and assembles, and hoist to the position that needs the below of position to oblique web member cat ladder opposite side one side by the loop wheel machine, the bottom plate is put and is prevented weighing down the rubber ring at the wedge and circles, reaches steady state under the action of gravity. The manned construction platform is simple and convenient to assemble and disassemble, can be repeatedly used, and is safe, reliable and high in construction efficiency.
Description
Technical Field
The utility model belongs to the technical field of the construction equipment, a steel truss bridge construction equipment, especially a construction equipment of steel truss bridge diagonal member is related to.
Background
In the cross-sea and cross-river bridge engineering in China, the steel truss bridge is widely adopted due to large span, light self weight and simple and convenient construction.
In the assembling construction process of the steel truss bridge, bolt and welding operation is required to be carried out between the butt joints of the web members. At present, the known steel truss is constructed by adopting a hanging basket method for connecting all rod pieces, and the hanging basket is connected to a mechanical arm or an upper chord of a crane, so that the stability is poor and the construction is inconvenient. In order to overcome the not enough of aspects such as hanging flower basket construction speed is slow, the security is poor, the utility model provides a pin-connected panel steel truss bridge diagonal web member construction platform, this platform installation of being convenient for, the oblique bolt and the welding operation between the web member butt joint of being convenient for can cover each part construction of diagonal web member. According to literature search, no construction platform of the type is applied at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem that prior art exists, provide a steel truss bridge diagonal web member construction platform, this steel truss bridge diagonal web member construction platform be convenient for bolt and welding operation between the diagonal web member butt joint.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a steel truss bridge diagonal web member construction platform, includes the bottom plate, encloses at floor rail all around, be provided with the bottom plate opening that the diagonal web member can pass on the bottom plate, it has the wedge to prevent weighing down the rubber circle to support between bottom plate opening and the diagonal web member, prevents that the bottom plate opening from following diagonal web member lapse. The workman realizes being under construction to oblique web member on the platform, and safety and stability is convenient for work.
In some embodiments, the fence comprises a frame body formed by connecting vertical railings and horizontal railings, and a protective net is fixed on the frame body to prevent workers from falling off from the platform.
In some embodiments, an access door is provided on the base panel to allow a worker to enter the platform through the access door.
In some embodiments, the enclosure has a safety door thereon to allow access by workers.
In some embodiments, the safety door and the access door are located on the same side of the platform, the safety door and the access door are in a communication state when being opened, and the safety door and the access door are located on the upper side of the inclined surface of the inclined web member.
In some embodiments, a safety rod is disposed between the access door and the opening of the base plate, one end of a rod body of the safety rod is hinged to the base plate, and the other end of the rod body is fixed to the base plate through a lock catch capable of being opened and closed, so that the safety rod is supported on the diagonal web member.
In some embodiments, a ladder is attached below the access door to facilitate access to the platform by a worker.
In some embodiments, the floor opening communicates with the access door to facilitate access of the diagonal web members from the access door into the floor opening.
In some embodiments, the vertical rail has a lifting lug at its upper end for lifting the platform.
Compared with the prior art, this steel truss bridge diagonal web member construction platform has following advantage:
the construction platform is assembled by welding on the ground, is hoisted to the position about 1.5m below the position required on one side opposite to the inclined web member crawling ladder by a crane, and the U-shaped bottom plate is placed on the wedge-shaped anti-falling rubber ring and reaches a stable state under the action of gravity. The manned construction platform is simple and convenient to assemble and disassemble, can be repeatedly used, and is safe, reliable, high in construction efficiency, simple in structure, convenient to operate and low in cost.
Drawings
In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having different letter suffixes may represent different examples of similar components. The drawings illustrate generally, by way of example, but not by way of limitation, various embodiments discussed herein.
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a plan view of the present invention.
In the figure, 1, a U-shaped bottom plate, 2, a vertical railing, 3, a horizontal railing, 4, a lifting lug, 5, a protective net, 6, a safety lock catch, 7, a safety rod, 8, an entrance door, 9, a high-strength hinge, 10, a safety door, 11, a safety bolt, 12, a wedge-shaped anti-falling rubber ring, 13, a ladder stand and 14, a steel truss bridge web member.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and the following embodiments do not limit the utility model according to the claims. Moreover, all combinations of features described in the embodiments are not necessarily essential to the solution of the invention.
It will be understood by those of ordinary skill in the art that all directional references (e.g., above, below, upward, above, downward, below, top, bottom, left, right, vertical, horizontal, etc.) are used descriptively in the figures to aid the reader's understanding, and do not imply (e.g., a limitation on position, orientation, or use, etc.) a limitation on the scope of the invention, which is defined by the claims appended hereto. Additionally, the term "substantially" may refer to slight imprecision or deviation in conditions, amounts, values, or dimensions, etc., some of which may be within manufacturing or tolerance limits.
Example one
As shown in fig. 1, 2 and 3, a steel truss bridge diagonal web member construction platform comprises a bottom plate and a fence surrounding the floor, wherein a bottom plate opening through which a diagonal web member can pass is formed in the bottom plate, a wedge-shaped anti-falling rubber ring is supported between the bottom plate opening and the diagonal web member, and the bottom plate opening is prevented from sliding downwards along the diagonal web member. The workman realizes being under construction to oblique web member on the platform, and safety and stability is convenient for work. The rail includes that vertical railing, horizontal railing connect the support body that constitutes, is fixed with the protection network on the support body, prevents that the workman from dropping from the platform. An access door is arranged on the bottom plate, so that workers can enter the platform from the access door. The fence is provided with a safety door so that workers can enter and exit from the safety door. The emergency exit and the entrance door are located on the same side of the platform, the emergency exit and the entrance door are in a communicated state when being opened, and the emergency exit and the entrance door are located on the upper side of the inclined surface of the inclined web member. A safety rod is arranged between the access door and the opening of the bottom plate, one end of a rod body of the safety rod is hinged with the bottom plate, and the other end of the rod body is fixed on the bottom plate through a lock catch capable of being opened and closed, so that the safety rod is supported on the diagonal web member. The upper end part of the vertical railing is provided with a lifting lug for lifting the platform. The crawling ladder is connected below the access door so that workers can conveniently enter the platform. The bottom plate opening is communicated with the access door so that the diagonal web members can enter the bottom plate opening from the access door.
The construction platform of specific this embodiment comprises 1 whole U-shaped bottom plate, 16 vertical railings, 10 horizontal railings, 5 protection networks, 1 bottom safety bar, 1 access door and 1 vertical guard gate. The bottom plate is the U-shaped steel sheet, and the opening width is 5cm than web horizontal cross-section width greatly, and the construction platform of being convenient for hoists the location, opens the side at U-shaped bottom plate and installs the safety lever, and safety lever activity side is equipped with safe hasp, and the safety lever position is suitable with apart from oblique web member 5cm department, and U-shaped bottom plate opening side installs the door of going out, and the width of going in and out is greater than U-shaped bottom plate width 10cm, and length slightly is less than U-shaped door plant to the safety lever distance. The vertical railing position of construction platform U-shaped opening side sets up vertical guard gate, and the guard gate width slightly is less than U-shaped bottom plate width, highly unanimous with vertical railing height. The bottom plate is equipped with the wedge with oblique web member contact surface and prevents weighing down the rubber circle, and the rubber circle can expand, and both ends are equipped with fastener, and wedge rubber circle expansion length equals oblique web member horizontal cross-section girth, and upper portion width 5cm, lower part width 10cm, height 20 cm. The crawling ladder is erected at the web member of the steel truss, so that constructors can conveniently go in and out of the construction platform.
The practical method of the platform is as follows:
the method comprises the following steps: manufacturing each part of the construction platform before hoisting construction;
step two: welding the vertical railings 2 and the horizontal railings 3 on the outer sides of the periphery of the U-shaped bottom plate 1 as shown in figures 1 and 2, and welding lifting lugs 4 on the tops of the vertical railings at four corners; welding the protective net 5 outside the railing, and connecting the access door 8 to the U-shaped bottom plate by using a high-strength hinge 9 at the position shown in figure 3; the safety door 10 is connected to the vertical guardrail 2 at one side of the U-shaped opening position by a high-strength hinge 9, and the other side is fixed by a safety bolt 11. One side of a safety rod 7 is hinged to one end of the opening side of the U-shaped bottom plate through a steel hinge, and the other end of the safety rod is provided with a safety lock catch, which is shown in the position of figure 3;
step three: inspecting the assembly platform, opening the safety rod 7, the access door 8 and the safety door 10 after the assembly platform is qualified, lifting by matching two truck cranes, and putting the U-shaped opening of the construction platform into the inclined web member;
step four: a constructor enters a hoisting position through a ladder to put down a safety rod 7 and lock the safety rod with a safety lock catch 6, fixes a wedge-shaped anti-falling rubber ring 12 on a steel truss bridge web member 14 at the position below a platform through a fastening device of the rubber ring, and controls a truck crane to place the platform on the anti-falling rubber ring;
step five: closing the safety door 10 and fixing the safety door by using a safety bolt 11;
step six: constructors enter the platform from the ladder stand 13, close the access door 8 and perform welding and other construction operations on the positions of the web members and the street;
after construction is completed, a constructor leaves the construction platform through the crawling ladder 13, a dismantling worker opens the access door 8 and the safety door 10, the truck crane lifts the platform upwards slightly through the lifting lugs 4, the dismantling worker opens the safety lock catch 6, opens the safety rod 7, the truck crane withdraws the construction platform and lifts the construction platform to the next construction position, and the third step, the fourth step, the fifth step and the sixth step are repeated.
Although some terms are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention. The order of execution of the operations, steps, and the like in the apparatuses and methods shown in the specification and drawings may be implemented in any order as long as the output of the preceding process is not used in the subsequent process, unless otherwise specified. The descriptions using "first", "next", etc. for convenience of description do not imply that they must be performed in this order.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. The utility model provides a steel truss bridge diagonal web member construction platform, its characterized in that, includes the bottom plate, encloses at floor rail all around, be provided with the bottom plate opening that the diagonal web member can pass on the bottom plate, it has the wedge to prevent weighing down the rubber circle to support between bottom plate opening and the diagonal web member, prevents that the bottom plate opening from following diagonal web member lapse.
2. The steel truss bridge diagonal web member construction platform of claim 1, wherein the fence comprises a frame body formed by connecting vertical railings and horizontal railings, and a protective net is fixed on the frame body.
3. The steel truss bridge diagonal web member construction platform of claim 1, wherein an access door is provided on the base plate for a worker to enter the platform through the access door.
4. The steel truss bridge diagonal web member construction platform of claim 3, wherein the fence is provided with a safety door so that workers can enter and exit the safety door.
5. The platform of claim 4, wherein the safety door and the access door are located on the same side of the platform, and are in communication with each other when the access door is opened, and the safety door and the access door are located on the upper side of the inclined surface of the diagonal web member.
6. The platform of claim 3, wherein a safety rod is disposed between the access door and the opening of the bottom plate, one end of the rod body of the safety rod is hinged to the bottom plate, and the other end of the rod body is fixed to the bottom plate by a lock catch capable of being opened and closed.
7. The steel truss bridge diagonal web member construction platform of claim 3, wherein a ladder is connected below the access door.
8. The steel truss bridge diagonal web member construction platform of claim 3, wherein the floor opening is in communication with an access door.
9. The steel truss bridge diagonal web member construction platform of claim 2, wherein the vertical railings have lifting lugs at upper ends thereof for lifting the platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921479828.4U CN211368404U (en) | 2019-09-06 | 2019-09-06 | Steel truss bridge diagonal member construction platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921479828.4U CN211368404U (en) | 2019-09-06 | 2019-09-06 | Steel truss bridge diagonal member construction platform |
Publications (1)
| Publication Number | Publication Date |
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| CN211368404U true CN211368404U (en) | 2020-08-28 |
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| CN201921479828.4U Active CN211368404U (en) | 2019-09-06 | 2019-09-06 | Steel truss bridge diagonal member construction platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412154A (en) * | 2022-01-17 | 2022-04-29 | 中建二局安装工程有限公司 | Operating system for dismantling vertical mast |
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2019
- 2019-09-06 CN CN201921479828.4U patent/CN211368404U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412154A (en) * | 2022-01-17 | 2022-04-29 | 中建二局安装工程有限公司 | Operating system for dismantling vertical mast |
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