CN213571558U - Crossing bridge construction safety cat ladder - Google Patents
Crossing bridge construction safety cat ladder Download PDFInfo
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- CN213571558U CN213571558U CN202021526847.0U CN202021526847U CN213571558U CN 213571558 U CN213571558 U CN 213571558U CN 202021526847 U CN202021526847 U CN 202021526847U CN 213571558 U CN213571558 U CN 213571558U
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Abstract
The utility model provides an intersection formula bridge construction safety cat ladder belongs to bridge construction equipment field, an intersection formula bridge construction safety cat ladder, include: the scaffold is provided with 2 first ladder stands in a staggered manner; the annular channel is arranged in the center of the top of the scaffold and is respectively communicated with the top ends of the two first ladder stands; the working platform is horizontally arranged at the top of the scaffold; the bottom center of the working platform is provided with a connecting seat, and one end of the connecting seat extends to the bottom end of the annular channel and is rotatably connected with the annular channel. The device sets up work platform and scaffold frame into rotatable connected mode, makes the spraying workman can realize wider spraying operation through rotating work platform to reduce the number of times that removes the scaffold frame, improved the work efficiency of spraying.
Description
Technical Field
The utility model belongs to bridge construction equipment field, concretely relates to crossing bridge construction safety cat ladder.
Background
In the bridge construction process, the bridge constructed often needs to be maintained in the later period, such as spraying construction and the like. When the spraying construction operation is carried out on the bridge, a hanging basket is usually arranged at the edge of the bridge for operation, spraying construction workers need to carry out the spraying operation in the hanging basket, the construction mode is lack of safety, safety accidents easily occur, and the spraying operation cannot be carried out on the bottom of the bridge.
In current spraying operation, often can use safe cat ladder scaffold, the construction workman climbs to the top of scaffold through safe cat ladder and carries out the spraying construction, can realize the spraying operation to the bridge bottom. But the top work plane of safe cat ladder scaffold can't be adjusted for the spraying workman removes the scaffold again and carries out the spraying to another position after the spraying finishes a work area, and the in-process that just so makes constantly moving the scaffold has prolonged operating time, and then has reduced the work efficiency of spraying.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, an object of the utility model is to provide an intersection formula bridge construction safety cat ladder, the device set up work platform and scaffold frame into rotatable connected mode, make the spraying workman realize wider spraying operation through rotating work platform to reduce the number of times that removes the scaffold frame, improved the work efficiency of spraying.
In order to achieve the above object, the technical solution of the present invention is as follows.
An intersecting bridge construction safety ladder comprising:
the scaffold is provided with 2 first ladder stands in a staggered manner;
the annular channel is arranged in the center of the top of the scaffold and is respectively communicated with the top ends of the two first ladder stands;
the working platform is horizontally arranged at the top of the scaffold;
the bottom center of the working platform is provided with a connecting seat, and one end of the connecting seat extends to the bottom end of the annular channel and is rotatably connected with the annular channel.
Furthermore, 4 guard rails are arranged on the periphery of the working platform, and the bottom of each guard rail is hinged with the working platform; and two adjacent guard rails can be detachably connected.
Furthermore, the working platform is in a strip shape.
Furthermore, a plurality of annular limiting grooves are formed in the inner side wall of the annular channel, a plurality of limiting lugs are arranged on the circumferential side wall of the connecting seat, and each limiting lug is slidably arranged in the corresponding annular limiting groove.
Further, a connecting platform is arranged at the bottom of the annular channel, connecting channels are arranged on two sides of the annular channel, which are close to the connecting platform, and each connecting channel extends towards the top end of the corresponding first ladder stand.
Furthermore, 2 second crawling ladders are symmetrically arranged on the inner side of the connecting seat, and each second crawling ladder is arranged in the vertical direction; every the one end of second cat ladder all faces connecting platform extends, and the other end all faces work platform extends.
Furthermore, an annular extending platform connected with the working platform is arranged at the top of the annular channel, an annular gear is arranged on one side, facing the center, of the annular extending platform, a rotating shaft is arranged on one side of the annular gear, a power gear is arranged at one end of the rotating shaft, and the power gear is meshed with the annular gear in a tooth form;
the other end of the rotating shaft extends to the working platform and is rotatably connected with the working platform; the top of the rotating shaft is provided with a turntable;
the working platform is provided with a motor, and an output shaft of the motor is connected with the rotating shaft through a transmission belt.
Furthermore, an inverted U-shaped support is arranged at the top of the working platform, a rotating rod is horizontally arranged in the middle of the support, and hand-operated rods are arranged at two ends of the rotating rod; the middle part of dwang is connected with hoist mechanism.
Still further, the lifting mechanism includes:
the rope coiling disc is fixedly arranged in the middle of the rotating rod;
the lifting barrel is arranged on the lower side of the rope coiling disc;
one end of the connecting rope is fixedly connected with the rope coiling disc, and the other end of the connecting rope is detachably connected with the lifting barrel;
the rope coiling disc is provided with a containing groove for containing the connecting rope.
The utility model provides a pair of crossing bridge construction safety cat ladder has following beneficial effect:
the device sets up work platform and scaffold frame into rotatable connected mode, makes the spraying workman can realize wider spraying operation through rotating work platform to reduce the number of times that removes the scaffold frame, improved the work efficiency of spraying.
When the spraying operation, the spraying workman scrambles to annular channel's bottom along safe cat ladder to on the cat ladder climbing to work platform on the connection seat. After one operation area is sprayed, the other operation area can be sprayed by rotating the working platform, so that the working efficiency is improved.
Protective structures are arranged on the working platform and the safety ladder stand, so that the safety in use is improved.
Drawings
Fig. 1 is a schematic structural view of the intersecting bridge construction safety ladder according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a connecting seat and an annular channel according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a working platform and an annular channel according to another embodiment of the present invention. In the figure: 1. a scaffold; 2. a first ladder stand; 3. an annular channel; 31. an annular limiting groove; 32. connecting the platform; 33. a connecting channel; 34. an annular extension platform; 35. a ring gear; 4. a working platform; 41. a rotating shaft; 42. a power gear; 43. a turntable; 44. a motor; 5. a connecting seat; 51. a limiting bump; 52. a second ladder stand; 6. protecting the fence; 7. a support; 8. rotating the rod; 81. a hand lever; 9. a lifting mechanism; 91. rope coiling disc; 92. lifting the barrel; 93. and connecting ropes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Please refer to fig. 1, which is a schematic structural diagram of an intersecting bridge construction safety ladder according to an embodiment of the present invention. The safety ladder stand is mainly applied to spraying construction operation in the bridge construction process.
This crossing bridge construction safety cat ladder includes: scaffold 1, circular channel 3 and work platform 4.
The scaffold 1 is respectively provided with 2 first ladder stands 2 in a staggered manner, so that construction workers can conveniently go up to the top end of the scaffold 1 from the first ladder stands 2 on the two sides and enter the working platform 4 through the annular channel 3 to perform spraying construction operation;
the annular channel 3 is arranged in the center of the top of the scaffold 1 and is respectively communicated with the top ends of the two first ladder stands 2; the annular channel is arranged at the center of the top of the scaffold, the center of gravity of the scaffold is mainly kept to be located in the middle, construction safety is improved, and safety accidents caused by imbalance in the construction process are avoided.
The working platform 4 is horizontally arranged at the top of the scaffold 1; here, the construction worker mainly performs construction work on the work platform. The bottom center of work platform 4 is provided with connecting seat 5, and the one end of connecting seat 5 extends to the bottom of annular channel 3, and with annular channel 5 rotatable coupling. In the present embodiment, the work table 4 is in the shape of a long bar. That is, the length of one side of the working platform is set to be greater than that of the other side. Meanwhile, the working platform and the scaffold are rotatably connected, so that spraying workers can realize wider spraying operation by rotating the working platform, the number of times of moving the scaffold is reduced, and the spraying efficiency is improved.
When the spraying operation, the spraying workman scrambles to annular channel's bottom along safe cat ladder to on the cat ladder climbing to work platform on the connection seat. After one operation area is sprayed, the other operation area can be sprayed by rotating the working platform, so that the working efficiency is improved.
Protective structures are arranged on the working platform and the safety ladder stand, so that the safety in use is improved. For example, each first ladder stand is arranged to be Z-shaped and extend to the top end of the scaffold in a bottom-up intersecting manner; alternatively the first ladder 2 may be provided as an M-shaped intersecting extension, or it may be provided as any suitable intersecting configuration. The lateral margin of each first ladder stand 2 is provided with a ladder stand handrail. The safety during climbing is improved.
Meanwhile, in order to improve the safety during spraying operation, 4 guard rails 6 are arranged on the peripheral side of the working platform 4, and the bottom of each guard rail 6 is hinged with the working platform 4; and two adjacent guard rails 6 can be detachably connected. Herein, two adjacent guard rails can be connected through the chain, and can also be fixed through bolt locking, conveniently connect two adjacent guard rail structures, improve the safety in utilization. The detachable construction of adjacent rail guard not only can make things convenient for the transport of material, helps reducing overall height moreover, conveniently puts into and accomodates in the suitable space.
Referring to fig. 1 to 2, a plurality of annular limiting grooves 31 are formed on an inner side wall of the annular channel 3, a plurality of limiting protrusions 51 are formed on a circumferential side wall of the connecting seat 5, and each limiting protrusion 51 is slidably disposed in the corresponding annular limiting groove 31. The limiting lug is arranged in the annular limiting groove, so that the connecting seat and the annular channel can be stably connected and are not easy to slip. But also can lead the connecting seat to rotate and move along a plurality of annular limiting grooves of the annular channel so as to be convenient for rotating and adjusting the working platform.
In order to make the rotation between the connecting seat and the annular channel smoother, for example, a bearing structure may be provided on a side wall where the connecting seat meets the annular channel, and the connecting seat and the annular channel are connected through a bearing so that the connecting seat and the annular channel can rotate smoothly, thereby reducing the frictional resistance.
Referring to fig. 1, a connecting platform 32 is disposed at the bottom of the circular channel 3, connecting channels 33 are disposed on both sides of the circular channel 3 near the connecting platform 32, and each connecting channel 33 extends toward the top end of the corresponding first ladder 2. Connect rather than the first cat ladder that corresponds through the interface channel, make things convenient for the construction workman to get into the annular passage by the first cat ladder and the interface channel that correspond in, perhaps by one side on, under the opposite side, avoid personnel's crowdedly, improve the security of climbing.
In order to facilitate a construction worker to enter the working platform through the annular channel, 2 second ladders 52 are symmetrically arranged on the inner side of the connecting seat 5, and each second ladder 52 is arranged in the vertical direction; each second ladder 52 extends towards the connecting platform 33 at one end and towards the working platform 4 at the other end. From this, correspond two interface channel respectively with two second cat ladders to connect the first cat ladder that corresponds from this, make construction worker get into in order or withdraw from the construction site.
Referring to fig. 2, an annular extending platform 34 connected to the working platform 4 is disposed at the top of the annular channel 3, a ring gear 35 is disposed on one side of the annular extending platform 34 facing the center of the channel, a rotating shaft 41 is disposed on one side of the ring gear 35, a power gear 42 is disposed on one end of the rotating shaft 41, and the power gear 42 is engaged with the ring gear 35 in a tooth form; from this, through rotating pivot 41 for power gear 42 on one end of pivot 41 rotates along ring gear 35, so that drive work platform rotatory on the scaffold frame, be used for realizing wider spraying operation, improve work efficiency.
The rotation of the rotating shaft can be adjusted manually or automatically. For example, the other end of the rotating shaft 41 extends to the working platform 4 and is rotatably connected with the working platform 4; the top of the rotating shaft 41 is provided with a turntable 43; therefore, the rotation of the working platform can be realized by rotating the turntable. For example, the working platform 41 is provided with a motor 44, and an output shaft of the motor 44 is connected to the rotating shaft 41 through a transmission belt. Here, set up the motor in work platform's bottom, drive the pivot rotation through the drive belt for realize work platform's rotation.
Please refer to fig. 3, which is a schematic structural diagram of a working platform and an annular channel according to another embodiment of the present invention. Wherein, the top of the working platform 4 is provided with an inverted U-shaped bracket 7, the middle part of the bracket 7 is horizontally provided with a rotating rod 8, and both ends of the rotating rod 8 are provided with hand-operated rods 81; the middle part of the rotating rod 8 is connected with a lifting mechanism 9. Through rotatory dwang, drive hoist mechanism and rise to in transportation spraying material or spraying operation instrument. Specifically, the lifting mechanism 9 includes a rope reel 91, a lifting bucket 92, and a connecting rope 93.
The rope coiling disc 91 is fixedly arranged in the middle of the rotating rod 8 and used for coiling the connecting rope; the rope reel 91 is provided with a storage groove for storing the connection rope 93.
A lifting bucket 92 is provided at a lower side of the rope reel 91 for loading materials or tools;
one end of the connecting rope 93 is fixedly connected with the rope coiling disc 91, and the other end is detachably connected with the lifting barrel 92.
In this embodiment, through set up hoist mechanism on work platform, conveniently transport the required material of spraying and instrument to work platform on, need not artifical climbing in-process transportation, improve the safe line of climbing, also need not the manpower transport moreover, improved work efficiency.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides an intersection formula bridge construction safety cat ladder which characterized in that includes:
the scaffold (1) is provided with 2 first ladder stands (2) in a staggered manner;
the annular channel (3) is arranged in the center of the top of the scaffold (1) and is respectively communicated with the top ends of the two first ladder stands (2);
the working platform (4) is horizontally arranged at the top of the scaffold (1);
the bottom center of work platform (4) is provided with connecting seat (5), the one end of connecting seat (5) extends to the bottom of annular channel (3), and with annular channel (3) rotatable coupling.
2. The intersecting bridge construction safety ladder according to claim 1, wherein 4 guard rails (6) are arranged on the periphery of the working platform (4), and the bottom of each guard rail (6) is hinged with the working platform (4); and two adjacent guard rails (6) can be detachably connected.
3. The intersecting bridge construction safety ladder according to claim 1, wherein the working platform (4) is in the shape of a strip.
4. The intersecting bridge construction safety ladder according to claim 1, wherein a plurality of annular limiting grooves (31) are arranged on the inner side wall of the annular channel (3), a plurality of limiting lugs (51) are arranged on the circumferential side wall of the connecting seat (5), and each limiting lug (51) is slidably arranged in the corresponding annular limiting groove (31).
5. The intersecting bridge construction safety ladder according to claim 1, wherein the bottom of the annular channel (3) is provided with a connecting platform (32), and the two sides of the annular channel (3) close to the connecting platform (32) are provided with connecting channels (33), and each connecting channel (33) extends towards the top end of the corresponding first ladder (2).
6. The intersecting bridge construction safety ladder according to claim 5, wherein 2 second ladders (52) are symmetrically arranged on the inner side of the connecting seat (5), and each second ladder (52) is arranged in a vertical direction; one end of each second ladder stand (52) extends towards the connecting platform (32) and the other end extends towards the working platform (4).
7. The intersecting bridge construction safety ladder according to claim 1, wherein an annular extension platform (34) connected with the working platform (4) is arranged at the top of the annular channel (3), a ring gear (35) is arranged on one side of the annular extension platform (34) facing the center, a rotating shaft (41) is arranged on one side of the ring gear (35), a power gear (42) is arranged on one end of the rotating shaft (41), and the power gear (42) is in tooth-shaped engagement with the ring gear (35);
the other end of the rotating shaft (41) extends onto the working platform (4) and is rotatably connected with the working platform (4); the top of the rotating shaft (41) is provided with a turntable (43);
the working platform (4) is provided with a motor (44), and an output shaft of the motor (44) is connected with the rotating shaft (41) through a transmission belt.
8. The intersecting bridge construction safety ladder stand according to claim 1, wherein an inverted U-shaped support (7) is arranged at the top of the working platform (4), a rotating rod (8) is horizontally arranged in the middle of the support (7), and hand-operated rods (81) are arranged at two ends of the rotating rod (8); the middle part of the rotating rod (8) is connected with a lifting mechanism (9).
9. The intersecting bridge construction safety ladder of claim 8, wherein the lifting mechanism (9) comprises:
the rope coiling disc (91) is fixedly arranged in the middle of the rotating rod (8);
a lifting bucket (92) provided at a lower side of the rope reel (91);
one end of the connecting rope (93) is fixedly connected with the rope coiling disc (91), and the other end of the connecting rope is detachably connected with the lifting barrel (92);
the rope coiling disc (91) is provided with a containing groove for containing the connecting rope (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021526847.0U CN213571558U (en) | 2020-07-28 | 2020-07-28 | Crossing bridge construction safety cat ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021526847.0U CN213571558U (en) | 2020-07-28 | 2020-07-28 | Crossing bridge construction safety cat ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213571558U true CN213571558U (en) | 2021-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021526847.0U Active CN213571558U (en) | 2020-07-28 | 2020-07-28 | Crossing bridge construction safety cat ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213571558U (en) |
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2020
- 2020-07-28 CN CN202021526847.0U patent/CN213571558U/en active Active
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