Cage ladder type safety channel device for round pier column construction

Abstract

The invention discloses a cage ladder type safety channel device for round pier column construction, and relates to the technical field of building construction, the cage ladder type safety channel device comprises a plurality of cage ladder frameworks, a steel protection net and supporting legs, each cage ladder framework comprises a fixed platform and four stand columns, and the cage ladder type safety channel device further comprises positioning sleeve plates fixedly arranged at the top and the bottom of the fixed platform and used for conducting butt joint positioning on the stand columns; the locking mechanism is arranged in the positioning sleeve plate and used for locking and fixing the positioning sleeve plate and the stand column; according to the cage ladder type safety channel device for round pier column construction, the positioning sleeve plates are arranged on the upper side and the lower side of each layer of fixing platform correspondingly, during installation, the stand columns are aligned to the positioning sleeve plates and are in butt joint with the positioning sleeve plates, and then the stand columns are fixed between the upper fixing plate and the lower fixing plate through the locking mechanisms; therefore, each layer of cage ladder platform can be conveniently assembled, external special tools are not needed, the time spent on installation is shortened, and the working efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, in particular to a cage ladder type safety passage device for round pier column construction. Background Art

[0002] The cage ladder safety passage, also known as the cage ladder or box ladder cage, is an indispensable safety equipment in modern construction. Its design concept is based on the high responsibility for the safety of workers' lives. It is mainly used for pedestrians going up and down high piers of bridges, deep foundation pits, subway construction and pier construction. It can also be used as a safe pedestrian passage during the construction of building foundation pits. Its main components include frames, ladders, handrails and guardrails, etc. It has the characteristics of strong bearing capacity, safety and reliability, and easy installation.

[0003] Reference patent application number CN202020278185.3 is a cage ladder type safety passage device for round pier column construction. Construction workers go up and down through the cage ladder, and can recover their strength on the cage ladder platform during the process. They can also install the bolts of the cylindrical pier formwork on the cage ladder platform. It is safe and convenient. The overall structure of the prior art is simple. The device can be used for cylindrical pier construction and personnel up and down passage; According to the above patent, during the use of the existing cage ladder safety passage, the installation between each layer needs to be fixed by a number of bolts. The assembly operation is cumbersome and requires the use of external special tools, which consumes a lot of manpower and time and has low work efficiency. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a cage ladder type safety passage device for round pier construction, which solves the problem that the installation between each layer needs to be fixed by a number of bolts, the assembly operation is cumbersome, and the use of external special tools is required, which consumes a lot of manpower and time and has low work efficiency.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A cage ladder type safety passage device for round pier column construction, comprising a plurality of cage ladder frames, a steel protective net and support legs, wherein the cage ladder frame comprises a fixed platform and four columns, and further comprises: Positioning sleeves, fixedly arranged at the top and bottom of the fixed platform, are used for docking and positioning the columns; The locking mechanism is arranged inside the positioning sleeve and is used to lock and fix the positioning sleeve and the column; The fixing blocks are fixed on both sides of the positioning sleeve and are used to limit the locking mechanism.

[0006] Preferably, the locking mechanism includes a bending plate that passes through the column and extends to the outside of the positioning sleeve, both ends of the bending plate are provided with movable grooves, and the inner wall of the movable groove is fixedly connected with a spring, the bottom end of the spring is fixedly connected with a stop block, and the bottom of the stop block is fixedly connected with a clamping rod, and the top of the fixed block is provided with a clamping groove that matches the clamping rod for limiting the clamping rod.

[0007] Preferably, a bracket is provided between every two of the columns via bolts, and the steel guard net is fixedly provided around the cage ladder frame.

[0008] Preferably, a staircase is arranged between every two of the fixed platforms via bolt threads, and a plurality of protective mesh panels are fixedly connected to one side of the staircase.

[0009] Preferably, a movable plate is slidably connected between the two sides of the inner wall of the supporting leg, and a movable rod is fixedly connected to the top of the movable plate. An adjusting bolt is threadedly connected to one side of the supporting leg, and the threaded end of the adjusting bolt passes through the supporting leg and extends to the inside of the movable rod.

[0010] Preferably, one end of the movable rod extending through the outside of the supporting leg is fixedly connected to the bottom of the fixed platform, a plurality of threaded holes matching the adjusting bolts are provided on one side of the movable rod, and the bottom of the supporting leg is fixedly connected to a base.

[0011] Preferably, a plurality of positioning components are arranged on the inner side of the cage ladder frame, and steel cables are arranged between the plurality of positioning components.

[0012] Preferably, the positioning assembly comprises a steel plate, the steel plate is connected to the inner thread of the bracket by screws, and a buckle for the steel cable to pass through is fixedly connected to the surface of the steel plate.

[0013] The present invention provides a cage ladder type safety passage device for round pier column construction. It has the following beneficial effects: (1) The cage ladder type safety passage device constructed with round pier columns has positioning sleeves on the upper and lower sides of each fixed platform. During installation, the column is aligned with the positioning sleeve and connected with it. Then, the column is fixed between the upper and lower fixed platforms through a locking mechanism, which facilitates the assembly of each cage ladder platform without the need for external special tools, shortens the installation time and improves work efficiency.

[0014] (2) The cage ladder type safety passage device constructed with the round pier column can move the movable rod up and down in the support leg by unscrewing the adjusting bolt. The length of each support leg can be adjusted according to the height of the ground, so that the bottom of the cage ladder type safety passage remains flat and solid, thereby improving the stability of the device.

[0015] (3) The cage ladder safety passage device constructed with round pier columns has a lifeline buckle added to the inner side of the ladder cage. A steel cable runs through the buckle, which can ensure that the lifeline is hung throughout the entire walking process when walking around the device. A protective mesh plate is set on the back side of the stair tread to avoid slipping and stepping on empty space, thereby improving safety in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the present invention; Figure 3 For the present invention Figure 2 A partial enlarged view of the middle A; Figure 4 It is a cross-sectional view of the locking mechanism structure of the present invention; Figure 5 For the present invention Figure 2 A partial enlarged view of the S in the middle; Figure 6 It is a cross-sectional view of the support leg structure of the present invention.

[0017] In the figure: 1. cage ladder frame; 101. fixed platform; 102. column; 2. steel protective net; 3. support leg; 4. positioning sleeve; 5. locking mechanism; 51. bending plate; 52. movable groove; 53. spring; 54. stopper; 55. clamping rod; 56. clamping slot; 6. fixed block; 7. bracket; 8. stairs; 9. protective net plate; 10. movable plate; 11. movable rod; 12. adjusting bolt; 13. threaded hole; 14. base; 15. positioning assembly; 151. steel plate; 152. screw; 153. buckle; 16. steel cable. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. 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.

[0019] Embodiment 1 See also Figures 1 to 4As shown, the present invention provides a cage ladder type safety passage device for round pier column construction, which is specifically improved as follows: it includes multiple cage ladder frames 1, steel guard nets 2 and support legs 3. When multiple cage ladder frames 1 are installed, they are in a horizontal lying state. After the cage ladder frames 1 are connected and fixed by a locking mechanism 5, the surrounding ladder is gradually adjusted from horizontal to vertical by an external crane arm. General workers approach the surrounding ladder to assist in landing. The ladder cage is hoisted for no more than 5 layers at a time. The cage ladder frame 1 includes a fixed platform 101 and four columns 102. A bracket 7 is provided between every two columns 102 by bolts. The steel guard net 2 is fixedly arranged around the cage ladder frame 1. The steel guard net 2 plays a protective role. It also includes: The positioning sleeve 4 is fixedly arranged at the top and bottom of the fixed platform 101, and is used for docking and positioning the columns 102. The four corners of the top and bottom of the fixed platform 101 are fixedly connected with the positioning sleeve 4, which can position the columns 102 of the upper and lower layers; The locking mechanism 5 is arranged inside the positioning sleeve 4 and is used to lock and fix the positioning sleeve 4 and the column 102; The locking mechanism 5 includes a bending plate 51 that penetrates the column 102 and extends to the outside of the positioning sleeve 4. Both ends of the bending plate 51 extending to the outside of the positioning sleeve 4 can be rotated ninety degrees. Both ends of the bending plate 51 are provided with movable grooves 52, and the inner wall of the movable groove 52 is fixedly connected with a spring 53, the bottom end of the spring 53 is fixedly connected with a stopper 54, the bottom of the stopper 54 is fixedly connected with a clamping rod 55, and the top of the fixed block 6 is provided with a clamping groove 56 adapted to the clamping rod 55. The setting of the fixed block 6 and the clamping groove 56 is used to limit the clamping rod 55, so as to fix the bending state of the bending plate 51; The fixing blocks 6 are fixed on both sides of the positioning sleeve 4 and are used to limit the clamping rod 55 in the locking mechanism 5; Through the arrangement of the above structure, positioning sleeves 4 are provided on the upper and lower sides of each fixed platform 101. During installation, the columns 102 are connected to the positioning sleeves 4, and then the columns 102 are fixed between the upper and lower fixed platforms 101 through the locking mechanism 5, so as to facilitate the assembly of each cage ladder platform without the aid of external special tools, shorten the time spent on installation, and improve work efficiency.

[0020] Embodiment 2 Based on Example 1, please refer to Figure 1 and Figure 6As shown, the specific improvements are as follows: a movable plate 10 is slidably connected between the two sides of the inner wall of the supporting leg 3, and a movable rod 11 is fixedly connected to the top of the movable plate 10, an adjusting bolt 12 is threadedly connected to one side of the supporting leg 3, and the threaded end of the adjusting bolt 12 passes through the supporting leg 3 and extends to the inside of the movable rod 11, and one end of the movable rod 11 passes through the outside of the supporting leg 3 and is fixedly connected to the bottom of the fixed platform 101, and a plurality of threaded holes 13 compatible with the adjusting bolt 12 are provided on one side of the movable rod 11, which is convenient for positioning the movable rod 11 moved to different positions, and a base 14 is fixedly connected to the bottom of the supporting leg 3, which is connected to the ground by screws.

[0021] Through the arrangement of the above structure, after the adjusting bolt 12 is screwed out of the threaded hole 13, the movable rod 11 can be moved up and down inside the supporting leg 3, so that the length of each supporting leg 3 can be adjusted conveniently according to the height of the ground, so that the bottom of the cage ladder type safety passage remains flat and solid, thereby improving the stability of the device.

[0022] Embodiment 3 In conjunction with Example 1 and Example 2, please refer to Figure 2 and Figure 5 As shown, the specific improvements are as follows: a staircase 8 is arranged between every two fixed platforms 101 through bolt threads, and a plurality of protective mesh plates 9 are fixedly connected to one side of the staircase 8. Compared with the existing staircase board with no shielding on the rear side, the protective mesh plates 9 are specifically arranged on the rear side of each staircase board to play a role of position limiting protection, prevent slipping and stepping on empty space, and improve the safety when walking; A plurality of positioning components 15 are arranged on the inner side of the cage ladder frame 1. The plurality of positioning components 15 are arranged on the inner side of each bracket 7 of each layer of the surrounding ladder, and are arranged according to the walking trajectory of the operator. A steel cable 16 is arranged between the plurality of positioning components 15. The steel cable 16 is used to hang the safety belt of the operator when walking to provide safety protection. The positioning component 15 includes a steel plate 151. The steel plate 151 is connected to the inner side of the bracket 7 by screws 152. The surface of the steel plate 151 is fixedly connected with a buckle 153 for the steel cable 16 to pass through. By setting the above structure, adding the buckle 153 and the steel cable 16 on the inner side of the ladder cage, it is possible to ensure that the lifeline is hung throughout the entire walking process when walking around the device, thereby improving safety during construction. The protective mesh plate 9 prevents slipping and stepping on air when walking, thereby reducing safety hazards.

[0023] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0024] When in use, the support leg 3 is fixed to the installation area by the base 14 and screws, and the adjusting bolt 12 is screwed out of the threaded hole 13 of the movable rod 11, so that the movable rod 11 can be moved up and down in the support leg 3. After the adjustment is completed, the position of the movable rod 11 can be fixed again by the adjusting bolt 12, so that the height of the support leg 3 can be adjusted according to the height of the ground, and the base 14 can be kept flat. When assembling the device, the column 102 is aligned with the positioning sleeve 4 on the fixed platform 101, and after docking with it, the bending plate 51 is passed through the column 102 and the positioning sleeve 4, and then the clamping rod 55 is moved into the movable groove 52, and the spring 53 is squeezed, so that the two ends passed through can be rotated downward by ninety degrees. Under the reaction force of the spring 53, the clamping rod 55 is driven to enter the clamping groove 56, and the column 102 and the positioning sleeve 4 are locked, so that each layer of the platform can be quickly installed, and the bending plate 51 is pulled out to facilitate its disassembly; During the construction process of the cage ladder type safety passage device, through the setting of the buckle 153 and the steel cable 16, the workers can hang the safety belt and the set steel cable 16 when walking, and a protective mesh plate 9 is set on the rear side of the stair board to prevent the workers from slipping and stepping on empty space when climbing the ladder, which is safer.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cage ladder type safety passage device for round pier construction, comprising a plurality of cage ladder frames (1), a steel protective net (2) and support legs (3), wherein the cage ladder frame (1) comprises a fixed platform (101) and four columns (102), characterized in that: Also includes: Positioning sleeves (4) are fixedly arranged on the top and bottom of the fixed platform (101) and are used for docking and positioning the columns (102); A locking mechanism (5) is arranged inside the positioning sleeve (4) and is used to lock and fix the positioning sleeve (4) and the column (102); The fixing blocks (6) are fixed on both sides of the positioning sleeve (4) and are used to limit the locking mechanism (5).

2. The cage ladder type safety passage device for round pier construction according to claim 1, characterized in that: The locking mechanism (5) comprises a bent plate (51) that penetrates the column (102) and extends to the outside of the positioning sleeve (4); movable grooves (52) are provided at both ends of the bent plate (51); a spring (53) is fixedly connected to the inner wall of the movable groove (52); the bottom end of the spring (53) is fixedly connected to a clamping rod (55) via a stopper (54); and a clamping groove (56) adapted to the clamping rod (55) is provided at the top of the fixed block (6).

3. The cage ladder type safety passage device for round pier construction according to claim 1, characterized in that: A bracket (7) is provided between every two upright posts (102) via bolts, and the steel protective net (2) is fixedly arranged around the cage ladder frame (1).

4. The cage ladder type safety passage device for round pier construction according to claim 1, characterized in that: A staircase (8) is provided between every two fixed platforms (101) via bolt threads, and a plurality of protective mesh panels (9) are fixedly connected to one side of the staircase (8).

5. The cage ladder type safety passage device for round pier construction according to claim 1, characterized in that: A movable plate (10) is slidably connected between the two sides of the inner wall of the support leg (3), and a movable rod (11) is fixedly connected to the top of the movable plate (10). An adjusting bolt (12) is threadedly connected to one side of the support leg (3).

6. The cage ladder type safety passage device for round pier construction according to claim 5, characterized in that: One end of the movable rod (11) extending through the outside of the support leg (3) is fixedly connected to the bottom of the fixed platform (101); a plurality of threaded holes (13) matching the adjustment bolts (12) are provided on one side of the movable rod (11); and a base (14) is fixedly connected to the bottom of the support leg (3).

7. The cage ladder type safety passage device for round pier construction according to claim 1, characterized in that: A plurality of positioning components (15) are arranged on the inner side of the cage ladder frame (1), and steel cables (16) are arranged between the plurality of positioning components (15).

8. The cage ladder type safety passage device for round pier construction according to claim 7, characterized in that: The positioning assembly (15) comprises a steel plate (151), the steel plate (151) being threadably connected to the inner side of the bracket (7) via screws (152), and a buckle (153) for the steel cable (16) to pass through being fixedly connected to the surface of the steel plate (151).

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