Climbing ladder structure for cross beam manhole machining

Abstract

The invention relates to a climbing ladder structure for processing a cross beam manhole. The climbing ladder structure is characterized by comprising a stepping top plate, a frame A, a frame B and a side supporting frame, the top end of the frame A and the top end of the frame B are hinged to the two ends of the stepping top plate through pin shafts. The ladder frame structures are hinged to the two sides of the step top plate, so that the step top plate has enough space to maintain operation of constructors; in addition, the frame A and the frame B can be matched with a frame adjusting plate through bolts to adjust the included angle between the frames and the ground. The construction height can be effectively increased by arranging the bottom frame and the lifting frame to be matched through the sliding assemblies; in addition, side supporting frames are arranged on the two sides of the frame, a safety hook is arranged on one side of the stepping top plate, and an anti-skid base is arranged at the bottom, so that the stability and the construction safety of the climbing ladder are improved.

Description

Technical Field

[0001] The invention relates to the technical field of steel structure processing, in particular to a climbing ladder structure for processing a crossbeam manhole. Background Art

[0002] When processing the manhole of the crossbeam of a steel bridge structure, due to its high position, personnel need to stand on a ladder to perform the operation; the conventional ladder structure has poor stability; the top adopts a method of directly hingedly connecting two frames, the construction operation space is small, and the inclination slope of the frame on the ladder cannot be fixedly set for adjustment, and the adjustment is troublesome and the stability is poor; therefore, a ladder structure for processing the manhole of the crossbeam is needed to solve the above problems. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a climbing ladder structure for processing a manhole for a beam, which can solve the problems of poor stability and inconvenient adjustment of conventional climbing ladders in general processing of manholes for beams.

[0004] In order to solve the above technical problems, the technical solution of the present invention is: a climbing ladder structure for processing a beam manhole, the innovation of which is: comprising a step top plate, a frame A, a frame B and a side support frame; the top end of the frame A and the top end of the frame B are hinged at the two end positions of the step top plate through a pin shaft; The step top plate is a rectangular plate-shaped structure, and hinge holes are horizontally arranged at both ends of the step top plate; anti-slip grooves are arranged on the upper surface of the step top plate; a frame adjustment plate is respectively arranged on the lower surface at both ends of the step top plate; the frame adjustment plate is an arc-shaped structure, and a plurality of angle adjustment pin holes are arranged at positions close to one end of the frame adjustment plate, and the side surfaces of the frame A and the frame B are correspondingly provided with limiting holes that match the angle adjustment pin holes, and the angle adjustment pin holes are matched with the limiting holes by means of pins to achieve the fixing of the angle between the frame A and the frame B on both sides of the step top plate; The frame A and the frame B both include a bottom frame, a lifting frame, a sliding assembly and a pulley module; the bottom frame includes a first side frame and a first pedal; the first pedal has a plurality of ends and is respectively vertically arranged on the two first side frames to form a step; the lifting frame includes a second side frame and a second pedal; the second pedal has a plurality of ends and is respectively vertically arranged on the two second side frames to form a step; the first side frame and the second side frame are connected by a sliding assembly to realize the relative movement of the lifting frame along the extension direction of the bottom frame through the sliding assembly; the pulley module includes a first pulley unit, a second pulley unit and a traction rope; the first pulley unit is fixedly mounted on the bottom end of the second side frame, and the second pulley unit is mounted at the top end of the second side frame; the traction rope sequentially passes around the second pulley unit and the first pulley unit and is connected to the top end of the first side frame, and the lifting frame is driven to move along the extension direction of the bottom frame by manually pulling the traction rope, and the position of the lifting frame is adjusted to fasten the traction rope securely; The side support frames are respectively arranged on both sides of frame A and frame B; the side support frames are rod-shaped structures, and the top ends are hinged on the sides of the first side frame, and are used to support the sides of the first side frame to the two sides of the first side frame; an anti-detachment chain is arranged between the side support frames and the first side frame.

[0005] Furthermore, the sliding assembly includes a sliding rail and a sliding block, the sliding rail is installed on a side surface of the first side frame, and the sliding block is installed on a side surface of the second side frame.

[0006] Furthermore, a first connection hole is provided on the top side of the first frame, and a plurality of second connection holes are provided on the side of the second frame. The first frame and the second frame are fixed by inserting a U-shaped pin between the first connection hole and the second connection hole.

[0007] Furthermore, the bottom ends of the first side frame and the side support frame are both provided with anti-skid bases with anti-skid and wear-resistant rubber layers at the bottom.

[0008] Furthermore, a guardrail is provided on one side of the step top plate, and a safety hook hung on the end of the manhole of the beam is provided on the other side of the step top plate.

[0009] The advantages of the present invention are: 1) In the present invention, a ladder frame structure is hingedly provided on both sides of the step top plate, so that the step top plate has enough space to maintain the operation of the construction workers; in addition, the frame A and the frame B can be used to cooperate with the frame adjustment plate through a latch to adjust the angle between the frame and the ground; the construction height can be effectively increased by arranging a bottom frame and a lifting frame with a sliding assembly; in addition, by arranging side supports on both sides of the frame and a safety hook on one side of the step top plate, and a non-slip base at the bottom, the stability and construction safety of the climbing ladder are increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0011] Figure 1 The present invention is a structural diagram of a climbing ladder for machining a crossbeam manhole.

[0012] Figure 2 The present invention is a side view of a climbing ladder for machining a crossbeam manhole.

[0013] Figure 3 This is a diagram of the lifting and lowering operation status of a climbing ladder for processing a crossbeam manhole according to the present invention. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0015] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] like Figures 1 to 3 The structure of a climbing ladder for processing a beam manhole shown includes a step top plate 1, a frame A2, a frame B3 and a side support frame 4; the top end of the frame A2 and the top end of the frame B3 are hinged at both ends of the step top plate through pins.

[0017] The step top plate 1 is a rectangular plate-like structure, and hinge holes are horizontally arranged at both ends of the step top plate 1; anti-slip grooves are arranged on the upper surface of the step top plate 1; a frame adjustment plate 11 is respectively arranged on the lower surface at both ends of the step top plate 1; the frame adjustment plate 11 is an arc-shaped structure, and a plurality of angle adjustment pin holes are arranged near one end of the frame adjustment plate 11, and the side surfaces of the frame A2 and the frame B3 are correspondingly provided with limiting holes that cooperate with the angle adjustment pin holes, and the angle adjustment pin holes are matched with the limiting holes by means of pins to achieve the fixing of the angle between the frame A1 and the frame B2 on both sides of the step top plate.

[0018] Both frame A2 and frame B3 include a bottom frame 5, a lifting frame 6, a sliding assembly and a pulley module; the bottom frame 5 includes a first side frame and a first pedal; the first pedal has a number of ends and is respectively vertically arranged on the two first side frames to form a step; the lifting frame 6 includes a second side frame and a second pedal; the second pedal has a number of ends and is respectively vertically arranged on the two second side frames to form a step; the first side frame and the second side frame are connected by a sliding assembly to achieve relative movement of the lifting frame 6 along the extension direction of the bottom frame through the sliding assembly; the pulley module includes a first pulley unit, a second pulley unit and a traction rope; the first pulley unit is fixedly mounted on the bottom end of the second side frame, and the second pulley unit is mounted at the top end of the second side frame; the traction rope is sequentially passed around the second pulley unit and the first pulley unit to be connected to the top end of the first side frame, and the traction rope is manually pulled to drive the lifting frame 6 to move along the extension direction of the bottom frame 5, and the position of the lifting frame is adjusted to fasten the traction rope securely.

[0019] The side support frames 4 are respectively arranged on both sides of the frame A2 and the frame B3; the side support frames 4 are rod-shaped structures, and the top ends are hinged on the sides of the first side frame, and are used to support the sides of the first side frame to the two sides of the first side frame; an anti-detachment chain is arranged between the side support frames and the first side frame.

[0020] The sliding assembly comprises a sliding rail and a sliding block, wherein the sliding rail is installed on a side surface of the first side frame, and the sliding block is installed on a side surface of the second side frame.

[0021] A first connection hole is arranged on the top side of the first frame, and a plurality of second connection holes are arranged on the side of the second frame. The first frame and the second frame are fixed by inserting a U-shaped pin between the first connection hole and the second connection hole.

[0022] The bottom end of the first side frame and the bottom end of the side support frame are both provided with an anti-skid base with an anti-skid and wear-resistant rubber layer at the bottom.

[0023] A guardrail is arranged on one side of the step top plate 1, and a safety hook 12 is arranged on the other side of the step top plate 1 and is hung on the end of the manhole of the beam.

[0024] The working principle of the present invention is: by hingedly arranging a ladder frame structure on both sides of the step top plate, the step top plate has enough space to maintain the operation of the construction workers; in addition, the frame A and the frame B can be matched with the frame adjustment plate through the pin to achieve the adjustment of the angle between the frame and the ground; the construction height can be effectively increased by arranging the bottom frame and the lifting frame with the sliding assembly; in addition, by arranging side supports on both sides of the frame and a safety hook on one side of the step top plate, and a non-slip base at the bottom, the stability and construction safety of the climbing ladder are increased.

[0025] Those skilled in the art should understand that the present invention is not limited to the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and improvements, and these changes and improvements shall all fall within the scope of the present invention claimed for protection.

Claims

1. A climbing ladder structure for processing a beam manhole, characterized in that: It includes a step top plate, a frame A, a frame B and a side support frame; the top of the frame A and the top of the frame B are hinged at both ends of the step top plate through a pin shaft; The step top plate is a rectangular plate-shaped structure, and hinge holes are horizontally arranged at both ends of the step top plate; anti-slip grooves are arranged on the upper surface of the step top plate; a frame adjustment plate is respectively arranged on the lower surface at both ends of the step top plate; the frame adjustment plate is an arc-shaped structure, and a plurality of angle adjustment pin holes are arranged at positions close to one end of the frame adjustment plate, and the side surfaces of the frame A and the frame B are correspondingly provided with limiting holes that match the angle adjustment pin holes, and the angle adjustment pin holes are matched with the limiting holes by means of pins to achieve the fixing of the angle between the frame A and the frame B on both sides of the step top plate; The frame A and the frame B both include a bottom frame, a lifting frame, a sliding assembly and a pulley module; the bottom frame includes a first side frame and a first pedal; the first pedal has a plurality of ends and is respectively vertically arranged on the two first side frames to form a step; the lifting frame includes a second side frame and a second pedal; the second pedal has a plurality of ends and is respectively vertically arranged on the two second side frames to form a step; the first side frame and the second side frame are connected by a sliding assembly to realize the relative movement of the lifting frame along the extension direction of the bottom frame through the sliding assembly; the pulley module includes a first pulley unit, a second pulley unit and a traction rope; the first pulley unit is fixedly mounted on the bottom end of the second side frame, and the second pulley unit is mounted at the top end of the second side frame; the traction rope sequentially passes around the second pulley unit and the first pulley unit and is connected to the top end of the first side frame, and the lifting frame is driven to move along the extension direction of the bottom frame by manually pulling the traction rope, and the position of the lifting frame is adjusted to fasten the traction rope securely; The side support frames are respectively arranged on both sides of frame A and frame B; the side support frames are rod-shaped structures, and the top ends are hinged on the sides of the first side frame, and are used to support the sides of the first side frame to the two sides of the first side frame; an anti-detachment chain is arranged between the side support frames and the first side frame.

2. The climbing ladder structure for processing a beam manhole according to claim 1, characterized in that: The sliding assembly comprises a sliding rail and a sliding block, wherein the sliding rail is installed on a side surface of the first side frame, and the sliding block is installed on a side surface of the second side frame.

3. The climbing ladder structure for processing a beam manhole according to claim 1, characterized in that: A first connection hole is arranged on the top side of the first frame, and a plurality of second connection holes are arranged on the side of the second frame. The first frame and the second frame are fixed by inserting a U-shaped pin between the first connection hole and the second connection hole.

4. The climbing ladder structure for processing a beam manhole according to claim 1, characterized in that: The bottom end of the first side frame and the bottom end of the side support frame are both provided with an anti-skid base with an anti-skid and wear-resistant rubber layer at the bottom.

5. The climbing ladder structure for processing a beam manhole according to claim 1, characterized in that: A guardrail is arranged on one side of the step top plate, and a safety hook hung on the end of the manhole of the beam is arranged on the other side of the step top plate.

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