CN211472208U - Segmental beam longitudinal tensioning operation platform device - Google Patents
Segmental beam longitudinal tensioning operation platform device Download PDFInfo
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- CN211472208U CN211472208U CN202020010038.8U CN202020010038U CN211472208U CN 211472208 U CN211472208 U CN 211472208U CN 202020010038 U CN202020010038 U CN 202020010038U CN 211472208 U CN211472208 U CN 211472208U
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- platform device
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a vertical stretch-draw operation platform device of festival section roof beam relates to construction equipment technical field, including operation platform and the guardrail that upwards sets up along operation platform, be provided with along the horizontal direction on the side of guardrail and be used for setting up a supporting beam in festival section roof beam upper surface, this side of guardrail is used for leaning on the section in festival section roof beam, and this side of guardrail still is provided with and is used for with the connection structure of festival section roof beam upper surface with detachable mode fixed connection, and the vertical steel strand wires stretch-draw operation platform of festival section roof beam who solves among the prior art has the potential safety hazard, need set up repeatedly and demolish and lead to the efficiency of construction lower, the higher problem of construction cost, the utility model discloses a vertical stretch-draw operation platform device of festival section roof beam simple manufacture, the installation demolish the convenience, can recycle, save construction cost by a wide.
Description
Technical Field
The utility model belongs to the technical field of the architectural equipment, specifically provide a vertical stretch-draw operation platform device of festival section roof beam.
Background
In the construction process of hoisting the segmental girders on site for assembling the bridge segments, the segmental girders are required to be symmetrically installed, and when a pair of segmental girders are installed, longitudinal steel strands penetrating into the segmental girders are required to be tensioned. The construction method comprises the following steps that a support platform needs to be erected or an ascending vehicle platform needs to be used before a bridge is stretched in high altitude, the platform is erected or placed at the section of the outermost section beam, workers stand on the support platform or the ascending vehicle platform to stretch the exposed longitudinal steel strand at the section of the section beam, the erection and removal of the support is time-consuming, and once the support is installed and removed every time a pair of section beams are installed, the construction efficiency is low; the climbing vehicle has potential safety hazards, long occupied time and high mechanical construction cost.
Accordingly, there is a need in the art for a segmental beam longitudinal tensioning operation platform arrangement that addresses the above-identified problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vertical stretch-draw operation platform device of segment beam solves the vertical steel strand wires stretch-draw operation platform of segment beam among the prior art and has the potential safety hazard, need set up repeatedly and demolish and lead to the efficiency of construction lower, the higher problem of construction cost.
The technical scheme of the utility model is realized like this: the longitudinal stretching operation platform device for the segmental beam comprises an operation platform and a guardrail, wherein the guardrail is upwards arranged on the operation platform, a supporting beam is arranged on the upper surface of the segmental beam along the horizontal direction on one side face of the guardrail, the side face of the guardrail is used for abutting against the section of the segmental beam, and the side face of the guardrail is further provided with a connecting structure which is used for being fixedly connected with the upper surface of the segmental beam in a detachable mode.
The technical effect of the scheme is as follows: when the section beam needs to be tensioned with longitudinal steel bars, the section beam longitudinal tensioning operation platform device is hung at the tail end of the section beam, the supporting beam is erected on the upper surface of the section beam, and the connecting structure is connected with the connecting block which is pre-installed on the section beam, so that the section beam longitudinal tensioning operation platform device is hung at the tail end of the section beam, a worker can stand on the operation platform to tension the steel strands, a guardrail on the operation platform protects the worker, the worker is prevented from falling from the operation platform, and the safety of the worker is ensured; after the tensioning operation is completed, the segment beam longitudinal tensioning operation platform device is hoisted, the connection between the connecting structure and the connecting block is removed, and the segment beam longitudinal tensioning operation platform device is hoisted to the ground.
In a preferred embodiment of the above device for operating the longitudinal tensioning of the section beam, the operating platform includes an upper platform corresponding to an upper portion of the section beam to be tensioned and a lower platform corresponding to a lower portion of the section beam to be tensioned.
The technical effect of the scheme is as follows: because the section beam comprises the top plate, the web plate and the bottom plate, the operating platform is arranged as an upper layer platform and a lower layer platform, and workers can conveniently stretch the longitudinal steel strands of all parts of the section beam on the platforms with different heights.
In the preferred technical scheme of above-mentioned vertical stretch-draw operation platform device of section roof beam, upper strata platform includes left platform and right platform, left and right platform is located same horizontal plane, lower floor's platform includes middle platform, left and right platform distribute in the both sides of middle platform and pass through the guardrail with middle platform is connected, forms the vertical stretch-draw operation platform device of section roof beam of the shape of falling the convex character form.
The technical effect of the scheme is as follows: the section beam longitudinal stretching operation platform device is arranged to be in an inverted convex shape matched with the section of the section beam, workers can conveniently stretch steel strands on the top plates of the section beam and the upper portions of the left web and the right web on the left platform and the right platform, the middle platform can stretch steel strands on the bottom plates of the section beam and the lower portions of the left web and the right web, and manufacturing materials of the section beam longitudinal stretching operation platform device are saved while construction is facilitated.
In the preferable technical scheme of the device for the longitudinal tensioning operation platform of the segmental beam, the left platform and the right platform are provided with steps connected with the middle platform at one side close to the middle platform.
The technical effect of the scheme is as follows: the ladder is arranged, so that workers can walk between the platforms conveniently, and construction is facilitated.
In the preferred technical scheme of above-mentioned section roof beam longitudinal tension operation platform device, the guardrail includes mobile jib and time pole, the mobile jib is followed operation platform's circumference sets up and forms the main frame, time pole sets up in adjacent with the crisscross form of cross form the enclosure net between the mobile jib.
The technical effect of the scheme is as follows: the main rod forms a main frame, so that the strength and the stability of the segmental beam longitudinal stretching operation platform device are guaranteed, and the safety of the segmental beam longitudinal stretching operation platform device is improved; the secondary bar forms the enclosing net, so that workers and construction tools are prevented from falling off from the operating platform, the safety of the workers is guaranteed, and the safety of the segment beam longitudinal tensioning operating platform device is further improved.
In a preferred technical scheme of the above section beam longitudinal tensioning operation platform device, a reinforcing rib is arranged between a main rod arranged along the horizontal direction and an adjacent main rod arranged along the vertical direction.
The technical effect of the scheme is as follows: the setting of strengthening rib has guaranteed the steadiness of connecting between the mobile jib to the steadiness and the security of the vertical stretch-draw operation platform device of section roof beam have been improved.
In an optimal technical scheme of the above section beam longitudinal tensioning operation platform device, the support beams are arranged on the main rod, the connection positions of the support beams and the main rod are located on the same horizontal line, and the upper end face of one end of the support beam, which is far away from the main rod, is connected with the main rod through an inclined support rod.
The technical effect of the scheme is as follows: the supporting beam is arranged on the main rod, so that the stability of the segmental beam longitudinal tensioning operation platform device erected at the end part of the segmental beam through the supporting beam is ensured; the upper end face of the supporting beam is connected with the main rod through the inclined supporting rod, the supporting beam, the inclined supporting rod and the main rod form a triangular support, the stability of connection of the supporting beam and the main rod is guaranteed, and the stability and the safety of the segment beam longitudinal stretching operation platform device are further improved.
In an optimal technical scheme of the section beam longitudinal tensioning operation platform device, a reinforcing beam parallel to the supporting beam is arranged at the upper end of the connecting position of the inclined supporting rod and the main rod.
The technical effect of the scheme is as follows: the setting up of reinforcing beam has prevented that a supporting beam from droing from the mobile jib at the bracing piece of the in-process up end of setting up in the section roof beam, has further guaranteed the steadiness that a supporting beam is connected with the mobile jib.
In a preferred technical scheme of the above-mentioned section beam longitudinal tensioning operation platform device, the connecting structure is a hoist arranged on a main rod positioned at the top of the section beam longitudinal tensioning operation platform device.
The technical effect of the scheme is as follows: the hoist is arranged on the main rod at the top of the segmental beam longitudinal stretching operation platform device, so that the segmental beam longitudinal stretching operation platform device is prevented from overturning in a direction far away from the segmental beam when being hung at the end part of the segmental beam, and the segmental beam longitudinal stretching operation platform device can be stably hung at the end part of the segmental beam through the combined action of the hoist and the supporting beam; the hoist is simple to use and easy to operate, and when the distance between the connecting block on the segmental beam and the segmental beam longitudinal tensioning operation platform device is not the same, the length of a lifting chain of the hoist can be adjusted, so that a lifting hook of the hoist is connected with the connecting block, and the segmental beam longitudinal tensioning operation platform device is hung at the end part of the segmental beam.
In a preferred technical scheme of the above platform device for the longitudinal stretching operation of the section beam, the connecting structure is finish-rolled deformed steel bars arranged on the main rod, and the finish-rolled deformed steel bars penetrate through and are perpendicular to the main rod.
The technical effect of the scheme is as follows: the finish-rolled deformed steel bar is connected with the connecting blocks on the segment beams, the segment beam longitudinal tensioning operation platform device is hung at the end parts of the segment beams under the combined action of the finish-rolled deformed steel bar and the supporting beams, and the finish-rolled deformed steel bar is connected with the connecting blocks and is easy to disassemble and convenient to construct.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a front view of a segment beam longitudinal tension operation platform device of the present invention;
fig. 2 is a side view of the segmental beam longitudinal tensioning operation platform device of the invention;
fig. 3 is a state diagram of a first embodiment of the longitudinal stretching operation platform device for the segmental beam of the invention;
fig. 4 is a state diagram of a second embodiment of the longitudinal stretching operation platform device for the sectional beam of the present invention.
List of reference numerals: 1. an operating platform; 111. a left platform; 112. a right platform; 13. an intermediate platform; 14; a step; 2. a guardrail; 21. a main rod; 211. reinforcing ribs; 22. a secondary rod; 3. a support beam; 31. an inclined support rod; 32. reinforcing the beam; 4. a connecting structure; 41. hoisting a hoist; 42; finish rolling the deformed steel bar; 5. a segment beam; 51. and (4) connecting the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 creative work belong to the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 by those skilled in the art according to specific situations.
The utility model discloses the vertical stretch-draw operation platform device of festival section roof beam's concrete embodiment: as shown in fig. 1 to 3, the section beam longitudinal tensioning operation platform device includes an operation platform 1 and a guardrail 2 disposed upward along the operation platform 1, a support beam 3 disposed on a lateral surface of the guardrail 2 along a horizontal direction and used for being erected on the section beam 5, the support beam 3 being disposed perpendicular to the guardrail 2, when the support beam 3 is erected on an upper surface of the section beam 5, the lateral surface of the guardrail 2 abuts against a cross section of the section beam 5, and the lateral surface of the guardrail 2 is further provided with a connecting structure 4 for being fixedly connected with the upper surface of the section beam 5 in a detachable manner. When the segmental beam 5 is hung and installed on a bridge, the segmental beam 5 is provided with a detachable connecting block 51 in advance, the finish rolling deformed steel bar 42 penetrates through a vertical preformed hole in the segmental beam 5 and the connecting block 51 arranged on the segmental beam 5, and the connecting block 51 is anchored on the segmental beam 5 through an anchoring head. The connecting structure 4 of the segmental beam longitudinal tensioning operation platform device is connected with the connecting block 51, and the segmental beam longitudinal tensioning operation platform device is hung at the end part of the segmental beam 5 under the combined action of the segmental beam longitudinal tensioning operation platform device and the supporting beam 3. The maximum width of the segmental beam 5 is 16.5 meters, as an example, the width of the operation platform 1 is 12 meters, the longitudinal length along the longitudinal steel strand direction is 1.5 meters, the operation platform 1 is formed by 14-size channel steel and a wood plate, the 14-size channel steel is welded to form a steel mesh, the wood plate is laid on the steel mesh, and the weight is reduced while the strength is ensured.
When the segment beam 5 needs to be tensioned with longitudinal steel bars, the segment beam longitudinal tensioning operation platform device is hung at the tail end of the segment beam 5, the support beam 3 is erected on the upper surface of the segment beam 5, the side surface of the guardrail 2 connected with the support beam 3 abuts against the end part of the segment beam 5, then the connecting structure 4 is connected with the connecting block 51 pre-installed on the segment beam 5, so that the segment beam longitudinal tensioning operation platform device is hung at the tail end of the segment beam 5, a worker can stand on the operation platform 1 to tension the steel strands, the guardrail 2 on the operation platform 1 protects the worker, the worker is prevented from falling from the operation platform 1, and the safety of the worker is ensured; after the tensioning operation is completed, the segment beam longitudinal tensioning operation platform device is hoisted, the connection between the connecting structure 4 and the connecting block 51 is removed, and the segment beam longitudinal tensioning operation platform device is hoisted to the ground.
Because section roof beam 5 includes roof, web and bottom plate, with the vertical stretch-draw operation platform device of section roof beam set up to the shape of the back-and-forth letter with section roof beam 5's cross-section looks adaptation, make things convenient for the workman to stretch-draw the vertical steel strand wires of each part of section roof beam on the platform of co-altitude not: if workers stretch the steel strands on the top plates of the segmental beams and the upper parts of the left and right webs on the left and right platforms 112, and stretch the steel strands on the bottom plates of the segmental beams and the lower parts of the left and right webs on the middle platform 13, construction is facilitated, and meanwhile manufacturing materials of the segmental beam longitudinal stretching operation platform device are saved.
It is to be understood that, although the above-mentioned embodiment is provided with the operation platform 1 including the upper platform and the lower platform, this is only an embodiment and is not a limitation to the structure of the operation platform 1, for example, the operation platform 1 may also be provided with three layers of platforms, the distance between two adjacent platforms of the three layers of platforms is equal, and the three layers of platforms are symmetrically distributed in a step 14 shape, and those skilled in the art may reasonably set the structure of the operation platform according to actual situations and needs.
The left and right platforms 112 are provided with a step 14 connected to the middle platform 13 at a side close to the middle platform 13. The step 14 is provided to facilitate the movement of workers between the platforms for ease of construction.
Supporting beam 3 sets up on mobile jib 21, and each supporting beam 3 is located same water flat line with the hookup location of mobile jib 21 to when guaranteeing that the vertical stretch-draw operation platform device of section roof beam is hung and is located section roof beam 5, its operation platform 1's stationarity, the up end that supporting beam 3 deviates from the one end of mobile jib 21 is connected with mobile jib 21 through diagonal bracing pole 31. The supporting beam 3 is arranged on the main rod 21, so that the stability of the segmental beam longitudinal tensioning operation platform device erected at the end part of the segmental beam through the supporting beam 3 is ensured; the upper end face of the supporting beam 3 is connected with the main rod 21 through the inclined supporting rod 31, the supporting beam 3, the inclined supporting rod 31 and the main rod 21 form a triangular support, the stability of connection of the supporting beam 3 and the main rod 21 is guaranteed, and the stability and the safety of the section beam longitudinal stretching operation platform device are further improved.
A reinforcing beam 32 parallel to the supporting beam 3 is arranged at the upper end of the connecting position of the inclined supporting rod 31 and the main rod 21. The arrangement of the reinforcing beam 32 prevents the inclined support rod 31 on the upper end surface of the support beam 3 from falling off from the main rod 21 in the process of being erected on the section beam 5, and further ensures the stability of the connection between the support beam 3 and the main rod 21.
The connecting structure 4 is a hoist 41 arranged on the main rod 21 positioned at the top of the segmental beam longitudinal tensioning operation platform device. The hoist 41 is arranged on the main rod 21 at the top of the segmental beam longitudinal stretching operation platform device and is connected with the connecting block 51 on the segmental beam 5, so that the segmental beam longitudinal stretching operation platform device is prevented from overturning in the direction far away from the segmental beam 5 when being hung at the end part of the segmental beam 5, and the segmental beam longitudinal stretching operation platform device can be stably hung at the end part of the segmental beam 5 under the combined action of the hoist 41 and the supporting beam 3; the hoist 41 is simple to use and easy to operate, and when the distance between the connecting block 51 on the segmental beam 5 and the segmental beam longitudinal tensioning operation platform device is not equal, the length of a hanging chain of the hoist 41 can be adjusted, so that a hanging hook of the hoist 41 is connected with the connecting block 51, the length of the hanging chain is fixed, and the segmental beam longitudinal tensioning operation platform device is hung at the end of the segmental beam 5.
As another preferred embodiment, as shown in fig. 4, the connection structure 4 is a finish-rolled deformed steel bar 42 disposed on the main rod 21, the finish-rolled deformed steel bar 42 penetrates and is perpendicular to the main rod 21, and the finish-rolled deformed steel bar 42 is welded to the main rod 21. The finish-rolled deformed steel bar 42 is connected with and anchored to the connecting block 51 on the segment beam, the segment beam longitudinal stretching operation platform device is hung at the end part of the segment beam 5 under the combined action of the finish-rolled deformed steel bar 42 and the supporting beam 3, and the finish-rolled deformed steel bar 42 is connected with and detached from the connecting block 51, so that the construction is facilitated.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Section roof beam is vertical stretch-draw operation platform device, its characterized in that includes operation platform and edge the guardrail that operation platform upwards set up, be provided with along the horizontal direction on a side of guardrail and be used for setting up in a section roof beam upper surface's a supporting beam, this side of guardrail is used for leaning on the section in section roof beam, this side of guardrail still be provided with be used for with section roof beam upper surface is with detachable mode fixed connection's connection structure.
2. A longitudinal segment girder tensioning operation platform device according to claim 1, wherein the operation platform comprises an upper platform for corresponding to an upper portion to be tensioned of the segment girder and a lower platform for corresponding to a lower portion to be tensioned of the segment girder.
3. The longitudinal stretching operation platform device for the segmental beam as claimed in claim 2, wherein the upper platform comprises a left platform and a right platform, the left platform and the right platform are located on the same horizontal plane, the lower platform comprises a middle platform, and the left platform and the right platform are distributed on two sides of the middle platform and are connected with the middle platform through the guardrails to form the longitudinal stretching operation platform device for the segmental beam in the shape of an inverted Chinese character 'tu'.
4. A segmental beam longitudinal tensioning operation platform arrangement according to claim 3, characterised in that the left and right platforms are provided with a step connected to the intermediate platform on one side adjacent the intermediate platform.
5. A segmental beam longitudinal tensioning operation platform device according to claim 1 or 3, wherein the guardrail comprises primary rods and secondary rods, the primary rods are arranged along the circumference of the operation platform to form a main frame, and the secondary rods are arranged between adjacent primary rods in a crisscross manner to form a fence.
6. A longitudinal segment beam tensioning platform arrangement according to claim 5, wherein reinforcing ribs are provided between horizontally disposed primary bars and adjacent vertically disposed primary bars.
7. A section beam longitudinal tensioning operation platform device according to claim 5, wherein the support beams are arranged on the main rod, the connection positions of the support beams and the main rod are located at the same horizontal line, and the upper end faces of the support beams, which are far away from one end of the main rod, are connected with the main rod through inclined support rods.
8. A segmental beam longitudinal tensioning operation platform arrangement according to claim 7, characterised in that the upper ends of the connection locations of the diagonal support bars to the main bars are provided with reinforcing beams parallel to the support beams.
9. A segmental beam longitudinal tensioning operation platform arrangement according to claim 5, characterised in that the connection structure is a hoist provided on a main bar on top of the segmental beam longitudinal tensioning operation platform arrangement.
10. A segment beam longitudinal tensioning operation platform arrangement according to claim 5, wherein the connection structure is a finish-rolled deformed steel bar provided on the main bar, the finish-rolled deformed steel bar penetrating and being perpendicular to the main bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020010038.8U CN211472208U (en) | 2020-01-03 | 2020-01-03 | Segmental beam longitudinal tensioning operation platform device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020010038.8U CN211472208U (en) | 2020-01-03 | 2020-01-03 | Segmental beam longitudinal tensioning operation platform device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211472208U true CN211472208U (en) | 2020-09-11 |
Family
ID=72360033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020010038.8U Expired - Fee Related CN211472208U (en) | 2020-01-03 | 2020-01-03 | Segmental beam longitudinal tensioning operation platform device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211472208U (en) |
-
2020
- 2020-01-03 CN CN202020010038.8U patent/CN211472208U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200911 |
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| CF01 | Termination of patent right due to non-payment of annual fee |