CN211776074U - Movable T roof beam prefabrication field cat ladder of ascending a height - Google Patents
Movable T roof beam prefabrication field cat ladder of ascending a height Download PDFInfo
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- CN211776074U CN211776074U CN201921688745.6U CN201921688745U CN211776074U CN 211776074 U CN211776074 U CN 211776074U CN 201921688745 U CN201921688745 U CN 201921688745U CN 211776074 U CN211776074 U CN 211776074U
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Abstract
The utility model relates to a movable climbing ladder for a T-beam precast yard, which comprises a ladder supporting frame, a ladder component, a moving mechanism and a safety protection mechanism; the step ladder assembly is arranged above the step ladder supporting frame; the moving mechanism is arranged at the bottom of the step support frame; the safety protection mechanisms are arranged on the step support frame and positioned on two sides of the step assembly; the step ladder assembly is used for ascending and descending from the ascending ladder stand, and the moving mechanism is used for moving the ascending ladder stand. Compared with the prior art, the utility model discloses cat ladder simple manufacture is applicable to the beam yard and ascends a height, repeatedly usable, and it is convenient to remove for the construction progress has practiced thrift construction cost, can produce better economy and social.
Description
Technical Field
The utility model discloses be applied to road engineering technical field, concretely relates to prefabricated field of movable T roof beam cat ladder of ascending a height.
Background
In road engineering, from the consideration of factors such as construction period, land acquisition and cost, a T-beam precast yard is generally arranged at an excavation section of a highway line subgrade, and when planning the T-beam precast yard, in order to reduce workload and cost of later-stage beam yard dismantling, the construction of the beam yard and a line longitudinal slope need to be kept consistent as much as possible. At the prefabricated in-process of T roof beam, personnel's upper and lower needs use the cat ladder of ascending a height, and the cat ladder of ascending a height in the past often adopts hoist and mount formula, and this kind of cat ladder of ascending a height removes very inconveniently, need occupy the portal crane moreover and just can realize removing. Therefore, overcome the not enough of current cat ladder of ascending a height and be the problem that technical field needs a solution urgently in the precast yard of road engineering T roof beam at present.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: aiming at the background technology the defects in the prior art are that the movable T-beam precast yard climbing ladder is simple to manufacture, convenient to use and capable of moving in a beam yard without using hoisting equipment, so that the problem that a gantry crane is required to be shared with procedures such as beam yard template installation and steel bar hoisting when the climbing ladder moves is effectively solved, the construction progress is accelerated, and the use cost of the gantry crane is reduced.
For solving the above technical problem, the utility model discloses a following technical scheme realizes:
the utility model provides a prefabricated field of movable T roof beam cat ladder of ascending a height which characterized in that includes: the escalator comprises an escalator supporting frame, an escalator component, a moving mechanism and a safety protection mechanism; the step ladder assembly is arranged above the step ladder supporting frame; the moving mechanism is arranged at the bottom of the step support frame and used for moving the climbing ladder; the safety protection mechanism is arranged on the step support frame and positioned on two sides of the step assembly.
As a preferred scheme, the step support frame comprises a first bottom cross rod, a second bottom cross rod, a first bottom longitudinal rod, a second bottom longitudinal rod, a ladder stand rod, a ladder inclined rod and a pedal cross arm; the end parts of the two ends of the first bottom cross rod and the second bottom cross rod are fixedly connected through the first bottom longitudinal rod and the second bottom longitudinal rod to form a rectangular bottom supporting frame; the bottom bottoms of the two ladder stand rods are vertically arranged at the upper parts of the two ends of the first bottom longitudinal rod, the two ends of the ladder diagonal rod are respectively arranged at the top of the ladder stand rods and the end part of the second bottom longitudinal rod, and the pedal cross arm is arranged between the two ladder diagonal rods; the step ladder assembly comprises a step ladder pedal, and the step ladder pedal is arranged on a pedal cross arm; the moving mechanism comprises a directional wheel, a universal wheel, a connecting bolt and connecting section steel, wherein the directional wheel is arranged below the end part of the bottom transverse rod close to the first bottom longitudinal rod, and the universal wheel is arranged below the end part of the bottom transverse rod close to the second bottom longitudinal rod; the safety protection mechanism comprises a ladder stand safety guardrail, and the ladder stand safety guardrail is arranged on the upper portion of the ladder stand inclined rod.
According to the preferable scheme, after the upper ends of the directional wheels and the universal wheels are fixed through the connecting section steel, the connecting section steel is fixedly connected with the first bottom cross rod and the second bottom cross rod through the connecting bolts.
Preferably, the connecting bolt comprises a connecting screw rod and a nut.
Preferably, the universal wheel further comprises a universal wheel locking device.
Preferably, two step ladder support frame reinforcing rods are further arranged on the diagonal line of the rectangular frame formed by the first bottom longitudinal rod, the two ladder vertical rods and the step cross arm between the tops of the two ladder vertical rods.
The utility model discloses a theory of operation is:
when the climbing ladder is used, a constructor can go up and down from the ladder through a ladder step on a step cross arm, the ladder safety guardrail can prevent the constructor from falling from two sides of the ladder in the process of climbing the ladder, the ladder is manually pushed between beam yard beam-making pedestals, and when the climbing ladder is used, the universal wheels must be locked by the locking device, so that the universal wheels cannot freely move, and the safety during the use can be ensured; when the ladder is not needed, the universal wheel locking device is opened, and the ladder can be freely pushed on the beam yard beam-making pedestal. Compared with the prior art, the utility model discloses simple manufacture, convenient to use, need not use lifting device just can remove in the roof beam field to effectively solve the problem that the cat ladder of ascending a height need when removing with the process sharing portal crane such as roof beam field template installation, reinforcing bar hoist and mount.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when the beam yard is constructed, the crawling ladder is used as a construction platform for people to go up and down in construction, inspection, acceptance and the like, can be pushed in the beam yard by manpower freely, can be used repeatedly, and reduces the use frequency of hoisting equipment such as a beam yard gantry crane and the like.
2. The moving mechanism at the bottom of the climbing ladder stand is characterized in that one group of roller skates adopt universal wheels, can be suitable for various field forms of a beam field, can freely steer in the beam field, and improves the utilization rate of the climbing ladder stand; the directional wheel is adopted in the other group of roller skating, so that the stability of the ladder stand in the using process can be ensured, and the service life of the roller skating can be ensured to be longer.
3. The utility model discloses compare with traditional cat ladder of ascending a height, reduced the live time of a large amount of roof beam yard portal cranes for the construction progress has reduced construction cost, has increased factor of safety, can produce better economy and social.
4. The universal wheel locking device can lock the universal wheel, and the universal wheel is prevented from freely rotating in the using process, so that the safety and reliability of equipment are improved, and safety accidents in the using process are avoided.
Drawings
Fig. 1 is the structure schematic diagram of the climbing ladder of the utility model.
Fig. 2 is the utility model discloses step ladder braced frame structure schematic diagram of ladder of ascending a height.
Fig. 3 is a front view of the climbing ladder of the present invention.
Fig. 4 is a schematic view of the structure of the connecting bolt of the present invention.
In the figure: 1-an orientation wheel; 2-universal wheel; 21-a universal wheel locking device; 3-connecting bolts; 31-connecting screw rod; 32-a screw cap; 4-connecting the section steel; 51 — a first bottom rail; 52 — second bottom rail; 53-first bottom longitudinal bar; 54 — a second bottom side rail; 6-climbing ladder vertical rod; 7, climbing ladder diagonal rods; 8-pedal cross arm; 9-ladder climbing step; 10-climbing ladder safety guardrails; and 11-reinforcing rods of the step support frame.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the present invention will be further described with reference to the following embodiments and accompanying drawings.
As shown in figures 1-4, a movable T-beam precast yard climbing ladder stand: comprises a step support frame, a step component, a moving mechanism and a safety protection mechanism; the step ladder assembly is arranged above the step ladder supporting frame; the moving mechanism is arranged at the bottom of the step support frame and used for moving the climbing ladder; the safety protection mechanisms are arranged on the step support frame and positioned on two sides of the step assembly; the step support frame comprises a first bottom cross rod 51, a second bottom cross rod 52, a first bottom longitudinal rod 53, a second bottom longitudinal rod 54, a step vertical rod 6, a step inclined rod 7 and a step cross arm 8; the end parts of the two ends of the first bottom cross bar 51 and the second bottom cross bar 52 are fixedly connected through a first bottom longitudinal bar 53 and a second bottom longitudinal bar 54 to form a rectangular bottom supporting frame; the bottom bottoms of the two ladder stand rods 6 are vertically arranged at the upper parts of the two ends of the first bottom longitudinal rod 53, the two ends of the ladder diagonal rod 7 are respectively arranged at the top of the ladder stand rod 6 and the end part of the second bottom longitudinal rod 54, and the pedal cross arm 8 is arranged between the two ladder diagonal rods 7; the step ladder assembly comprises a step ladder pedal 9, and the step ladder pedal 9 is arranged on a pedal cross arm 8; the moving mechanism comprises a directional wheel 1 and a universal wheel 2, wherein the directional wheel 1 is arranged below the end parts of the bottom cross rods 51 and 52 close to the first bottom longitudinal rod 53, and the universal wheel 2 is arranged below the end parts of the bottom cross rods 51 and 52 close to the second bottom longitudinal rod 54; the safety protection mechanism comprises a ladder climbing safety guard bar 10, and the ladder climbing safety guard bar 10 is arranged on the upper part of a ladder climbing inclined rod 7; after the upper ends of the directional wheel 1 and the universal wheel 2 are fixed through the connecting section steel 4, the connecting section steel 4 is fixedly connected with the first bottom cross rod 51 and the second bottom cross rod 52 through the connecting bolt 3; the connecting bolt 3 comprises a connecting screw rod 31 and a nut 32; the universal wheel 2 further comprises a universal wheel locking device 21; two step ladder support frame reinforcing rods 11 are further arranged on the diagonal line of the rectangular frame formed by the first bottom longitudinal rod 53, the two ladder vertical rods 6 and the step cross arm 8 between the tops of the two ladder vertical rods 6.
The first bottom cross bar 51, the second bottom cross bar 52, the first bottom longitudinal bar 53, the second bottom longitudinal bar 54, the ladder vertical bar 6, the ladder diagonal bar 7, the pedal cross arm 8, the ladder safety barrier 10 and the ladder support frame reinforcing bar 11 are all made of phi 25 thread steel; the connecting section steel 4 is made of [10 channel steel; the ladder climbing pedal 9 is made of angle steel of less than 5 and is fixedly connected with the components through welding.
The utility model discloses a theory of operation is:
when the climbing ladder is used, a constructor can go up and down from the ladder through the ladder steps 9 on the step cross arm 8, the ladder safety guardrails 10 can prevent the constructor from falling down from two sides of the ladder in the climbing ladder process, the ladder is manually pushed between beam yard beam-making pedestals, and when the climbing ladder is used, the universal wheel locking devices 21 of the universal wheels 2 are required to be locked, so that the universal wheels 2 cannot move freely, and the safety during the use can be ensured; when the ladder is not needed, the universal wheel locking device 21 is opened, and the ladder can be freely pushed on the beam yard beam-making pedestal. Compared with the prior art, the utility model discloses simple manufacture, convenient to use, need not use lifting device just can remove in the roof beam field to effectively solve the problem that the cat ladder of ascending a height need when removing with the process sharing portal crane such as roof beam field template installation, reinforcing bar hoist and mount.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a prefabricated field of movable T roof beam cat ladder of ascending a height which characterized in that includes: the escalator comprises an escalator supporting frame, an escalator component, a moving mechanism and a safety protection mechanism; the step ladder assembly is arranged above the step ladder supporting frame; the moving mechanism is arranged at the bottom of the step support frame and used for moving the climbing ladder; the safety protection mechanism is arranged on the step support frame and positioned on two sides of the step assembly.
2. The movable type T-beam precast yard climbing ladder stand according to claim 1, characterized by comprising: the step support frame comprises a first bottom cross rod (51), a second bottom cross rod (52), a first bottom longitudinal rod (53), a second bottom longitudinal rod (54), a step vertical rod (6), a step inclined rod (7) and a step cross arm (8); the end parts of the two ends of the first bottom transverse rod (51) and the second bottom transverse rod (52) are fixedly connected through a first bottom longitudinal rod (53) and a second bottom longitudinal rod (54) to form a rectangular bottom supporting frame; the bottom bottoms of the two ladder stand rods (6) are vertically arranged at the upper parts of the two ends of the first bottom longitudinal rod (53), the two ends of the ladder diagonal rod (7) are respectively arranged at the top of the ladder stand rod (6) and the end part of the second bottom longitudinal rod (54), and the pedal cross arm (8) is arranged between the two ladder diagonal rods (7); the step ladder assembly comprises a step ladder pedal (9), and the step ladder pedal (9) is arranged on a pedal cross arm (8); the moving mechanism comprises an orientation wheel (1), universal wheels (2), connecting bolts (3) and connecting section steel (4), wherein the orientation wheel (1) is arranged below the end parts of the bottom cross rods (51 and 52) close to the first bottom longitudinal rod (53), and the universal wheels (2) are arranged below the end parts of the bottom cross rods (51 and 52) close to the second bottom longitudinal rod (54); the safety protection mechanism comprises a ladder climbing safety guardrail (10), and the ladder climbing safety guardrail (10) is installed on the upper portion of the ladder climbing inclined rod (7).
3. The movable T-beam precast yard climbing ladder of claim 2, characterized by comprising: the upper ends of the directional wheel (1) and the universal wheel (2) are fixed through the connecting section steel (4), and then the connecting section steel (4) is fixedly connected with the first bottom cross rod (51) and the second bottom cross rod (52) through the connecting bolt (3).
4. The movable T-beam precast yard climbing ladder of claim 3, characterized by comprising: the connecting bolt (3) comprises a connecting screw rod (31) and a nut (32).
5. The movable T-beam precast yard climbing ladder of claim 3, characterized by comprising: the universal wheel (2) further comprises a universal wheel locking device (21).
6. The movable T-beam precast yard climbing ladder stand according to any one of claims 2 to 5, characterized in that:
and two reinforcing rods (11) for the step support frame are also arranged on the diagonal line of the rectangular frame formed by the first bottom longitudinal rod (53), the two ladder stand rods (6) and the step cross arm (8) between the tops of the two ladder stand rods (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921688745.6U CN211776074U (en) | 2019-10-10 | 2019-10-10 | Movable T roof beam prefabrication field cat ladder of ascending a height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921688745.6U CN211776074U (en) | 2019-10-10 | 2019-10-10 | Movable T roof beam prefabrication field cat ladder of ascending a height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211776074U true CN211776074U (en) | 2020-10-27 |
Family
ID=72934947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921688745.6U Active CN211776074U (en) | 2019-10-10 | 2019-10-10 | Movable T roof beam prefabrication field cat ladder of ascending a height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211776074U (en) |
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2019
- 2019-10-10 CN CN201921688745.6U patent/CN211776074U/en active Active
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