Up-down tensioning ladder cage

Abstract

The utility model discloses an up-down tensioning ladder cage which comprises a ladder cage frame body, and the ladder cage frame body is formed by combining and connecting a plurality of ladder cage units from bottom to top. The elevator cage unit comprises a bottom frame body and a top frame body, the bottom frame body is arranged below the top frame body, first sleeve pieces are arranged at the four end corner positions of the bottom frame body, and second sleeve pieces corresponding to the first sleeve pieces are arranged at the four end corner positions of the top frame body. The first sleeve piece is connected with the corresponding second sleeve piece through a stand column; the bottom ends of the stand columns are inserted into the inner sides of the top ends of the first sleeve pieces and connected with the first sleeve pieces through bolts, the top ends of the stand columns penetrate through the second sleeve pieces and then are inserted into the inner sides of the bottom ends of the first sleeve pieces in the upper-layer elevator cage unit, and the top ends of the stand columns are connected with the second sleeve pieces and the first sleeve pieces in the upper-layer elevator cage unit through bolts.

Description

Technical Field

[0001] The utility model relates to the field of building construction, in particular to an up-and-down tensioning ladder cage. Background Art

[0002] The construction protection safety ladder cage is a tool frequently used in construction, which is mainly used as an operating platform to assist construction workers in construction operations; Patent No. ZL202011145901.1 discloses a modular ladder cage and its installation method, wherein the ladder cage structure is composed of a plurality of layers of ladder cage units longitudinally combined, and a connecting frame is provided between adjacent ladder cage units, and the connecting frame installs and fixes adjacent ladder cage units through a bolt structure; it realizes the modular installation effect of the ladder cage units; however, in the connecting structure, the connecting frame only plays a positioning role between adjacent ladder cage units, and mainly relies on the bolt structure to realize the weight support of the upper ladder cage unit. The stability of the entire ladder cage structure is poor and the structural strength is weak. There is a risk of bolt breakage and collapse of the ladder cage unit, which affects the safety of construction. It is necessary to improve it. Summary of the invention

[0003] The utility model aims to solve the above problems and provide a simple structure and convenient use of up and down tensioning ladder cage.

[0004] In order to achieve the above purpose, the technical solution of the utility model is:

[0005] A vertical tensioning ladder cage comprises a ladder cage frame, wherein the ladder cage frame is composed of a plurality of ladder cage units connected in combination from bottom to top; the ladder cage unit comprises a bottom frame and a top frame, the bottom frame is arranged below the top frame, the four end corners of the bottom frame are each provided with a first set of pipe fittings, the four end corners of the top frame are provided with a second set of pipe fittings corresponding to the first set of pipe fittings, the first set of pipe fittings and the corresponding second set of pipe fittings are connected via a column; the bottom end of the column is inserted into the inner side of the top end of the first set of pipe fittings and is bolted to the first set of pipe fittings, the top end of the column passes through the second set of pipe fittings and is inserted into the inner side of the bottom end of the first set of pipe fittings in the upper ladder cage unit, the top end of the column is bolted to the second set of pipe fittings and the first set of pipe fittings in the upper ladder cage unit.

[0006] Furthermore, the first sleeve, the second sleeve and the column are all in the shape of rectangular tubes; a first screw hole is provided on the bottom side wall of the first sleeve and is bolted to the top end of the column in the next layer of ladder cage unit through the first screw hole, a second screw hole is provided on the top side wall of the first sleeve, and a third screw hole is provided on the side wall of the second sleeve; a first positioning hole is provided on the side wall of the bottom end of the column, the bottom end of the column is inserted into the inner side of the top end of the first sleeve and is bolted to the second screw hole through the first positioning hole, a second positioning hole is provided on the upper side wall of the column, and a third positioning hole is provided on the side wall of the top end of the column, the third positioning hole is located above the second positioning hole, the top end of the column passes through the second sleeve and is bolted to the third screw hole on the side wall of the second sleeve through the second positioning hole, the top end of the column is inserted into the first sleeve in the upper layer of ladder cage unit and is bolted to the first screw hole on the bottom side wall of the first sleeve in the upper layer of ladder cage unit through the third positioning hole.

[0007] Furthermore, the bottom frame and the top frame are both rectangular frame structures, the inside of the bottom frame is fixedly connected to a first pedal member, and the inside of the top frame is fixedly connected to a second pedal member.

[0008] Furthermore, the first pedal member and the second pedal member are staggered and a stair member is arranged between them; the bottom end of the stair member is detachably connected to the edge of the first pedal member, and the top end of the stair member is detachably connected to the edge of the second pedal member.

[0009] Furthermore, a guardrail is provided between the bottom frame and the top frame. The guardrail is located between adjacent columns and the upper and lower ends of the guardrail are detachably connected to the top frame and the bottom frame respectively.

[0010] Furthermore, the outer peripheral edges of the bottom frame and the top frame are welded with corresponding mounting plates, and the mounting plates are provided with a first mounting hole and are bolted to a second mounting hole provided at the edge of the guardrail through the first mounting hole.

[0011] Compared with the prior art, the utility model has the following advantages and positive effects:

[0012] When the ladder cage structure in the utility model is assembled and installed, the first ladder cage unit at the bottom is first installed and fixed on the ground in the construction area, and then the second ladder cage unit is installed on the upper end of the ladder cage unit. During installation, the first set of pipe fittings at the bottom end of the second ladder cage unit is inserted into the outer side of the top end of the column of the first ladder cage unit and bolted; then this process is repeated until the assembled installation operation of the entire ladder cage is completed; in the ladder cage structure, the structural design of the first set of pipe fittings and the columns in the ladder cage unit provides a tensioning effect between adjacent ladder cage units, and at the same time, the columns are used as the main supporting members to support the weight of the upper ladder cage unit, and the bolt connection structure is only used to prevent the column from detaching from the first set of pipe fittings, which effectively enhances the stability of the connection structure between adjacent ladder cage units and improves the structural strength of the entire ladder cage structure; in the ladder cage structure, even if the bolt structure is broken, it will not cause the ladder cage unit to collapse, thereby ensuring the safety of the construction and improving the use effect of the ladder cage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is the assembly structure diagram of the utility model;

[0016] Figure 3 This is the assembly structure diagram of the cage unit;

[0017] Figure 4 for Figure 3 A magnified view of the structure at position A in the middle;

[0018] Figure 5 for Figure 3 Enlarged view of the structure at position B in the middle. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the utility model.

[0020] like Figures 1 to 5 As shown, this embodiment discloses an upper and lower tensioning ladder cage, comprising a ladder cage frame, wherein the ladder cage frame is composed of a plurality of ladder cage units 1 connected in combination from bottom to top;

[0021] The ladder cage unit 1 includes a bottom frame 2 and a top frame 3. The bottom frame 2 is arranged below the top frame 3. The four end corners of the bottom frame 2 are each provided with a first set of pipe fittings 21. The four end corners of the top frame 3 are provided with a second set of pipe fittings 31 corresponding to the first set of pipe fittings 21. The first set of pipe fittings 21 and the corresponding second set of pipe fittings 31 are connected through a column 4. The bottom end of the column 4 is inserted into the inner side of the top end of the first set of pipe fittings 21 and is bolted to the first set of pipe fittings 21. The top end of the column 4 passes through the second set of pipe fittings 31 and is inserted into the inner side of the bottom end of the first set of pipe fittings 1001 in the upper ladder cage unit 100. The top end of the column 4 is bolted to the second set of pipe fittings 31 and the first set of pipe fittings 1001 in the upper ladder cage unit 100.

[0022] The first sleeve 21, the second sleeve 31, and the column 4 are all rectangular tube-shaped; the first sleeve 21 is provided with a first screw hole 211 on the bottom side wall, and is connected to the top bolt of the column in the next layer of the cage unit through the first screw hole 211, the first sleeve 21 is provided with a second screw hole 212 on the top side wall, and the second sleeve 31 is provided with a third screw hole 311 on the side wall; the first positioning hole 41 is provided on the side wall of the bottom end of the column 4, and the bottom end of the column 4 is inserted into the inner side of the top end of the first sleeve 21 and connected with the second screw hole 212 through the first positioning hole 41 Bolt connection, a second positioning hole 42 is provided on the upper side wall of the column 4, and a third positioning hole 43 is provided on the top side wall of the column 4, the third positioning hole 43 is located above the second positioning hole 42, the top of the column 4 passes through the second sleeve 31 and is bolted to the third screw hole 311 on the side wall of the second sleeve 31 through the second positioning hole 42, the top of the column 4 is inserted into the first sleeve 1001 in the upper ladder cage unit 100 and is bolted to the first screw hole on the bottom side wall of the first sleeve 1001 in the upper ladder cage unit 100 through the third positioning hole 43.

[0023] The first set of pipe fittings, the second set of pipe fittings and the columns are all connected by bolts, and the assembly operation of the entire ladder cage unit is convenient and quick.

[0024] The bottom frame 2 and the top frame 3 are both rectangular frame structures. A first pedal member 22 is fixedly connected to the inner side of the bottom frame 2 , and a second pedal member 32 is fixedly connected to the inner side of the top frame 3 .

[0025] The first pedal member 22 and the second pedal member 32 are staggered and a stair member 7 is arranged therebetween; the bottom end of the stair member 7 is detachably connected to the edge of the first pedal member 22 , and the top end of the stair member 7 is detachably connected to the edge of the second pedal member 32 .

[0026] The staircase components are also detachable structures, which facilitates the use, assembly, disassembly and storage of the ladder cage unit.

[0027] A guardrail 5 is provided between the bottom frame 2 and the top frame 3 . The guardrail 5 is located between adjacent columns 4 , and the upper and lower ends of the guardrail 5 are detachably connected to the top frame 3 and the bottom frame 2 , respectively.

[0028] The outer peripheral edges of the bottom frame 2 and the top frame 3 are welded with corresponding mounting plates 6, and the mounting plates 6 are provided with first mounting holes 61 and are bolted to second mounting holes 51 provided at the edge of the guardrail 5 through the first mounting holes 61.

[0029] The guardrail can provide protection for construction workers. It is also a detachable structure. After storage, it reduces the space occupied by the ladder cage and improves the use effect of the ladder cage unit.

[0030] When the ladder cage structure in the utility model is assembled and installed, the first ladder cage unit at the bottom is first installed and fixed on the ground in the construction area, and then the second ladder cage unit is installed on the upper end of the ladder cage unit. During installation, the first set of pipes at the bottom end of the second ladder cage unit is inserted into the outer side of the top end of the column of the first ladder cage unit and bolted; then this process is repeated until the assembled installation operation of the entire ladder cage is completed; in the ladder cage structure, the structural design of the first set of pipes and columns in the ladder cage unit provides a tensioning effect between adjacent ladder cage units, and at the same time, the columns are used as the main supporting members to support the weight of the upper ladder cage unit, and the bolt connection structure is only used to prevent the column from detaching from the first set of pipes, which effectively enhances the stability of the connection structure between adjacent ladder cage units and improves the structural strength of the entire ladder cage structure; in the ladder cage structure, even if the bolt structure is broken, it will not cause the ladder cage unit to collapse, thereby ensuring the safety of the construction and improving the use effect of the ladder cage.

Claims

1. A vertical tensioning ladder cage, comprising a ladder cage frame, wherein the ladder cage frame is composed of a plurality of ladder cage units connected in combination from bottom to top; characterized in that: The ladder cage unit includes a bottom frame and a top frame. The bottom frame is arranged below the top frame. The four end corners of the bottom frame are each provided with a first set of pipe fittings. The four end corners of the top frame are provided with a second set of pipe fittings corresponding to the first set of pipe fittings. The first set of pipe fittings and the corresponding second set of pipe fittings are connected by a column. The bottom end of the column is inserted into the inner side of the top end of the first set of pipe fittings and is bolted to the first set of pipe fittings. The top end of the column passes through the second set of pipe fittings and is inserted into the inner side of the bottom end of the first set of pipe fittings in the upper ladder cage unit. The top end of the column is bolted to the second set of pipe fittings and the first set of pipe fittings in the upper ladder cage unit.

2. The up-and-down tensioning cage according to claim 1, characterized in that: The first sleeve, the second sleeve and the column are all in the shape of rectangular tubes; a first screw hole is provided on the bottom side wall of the first sleeve and is bolted to the top end of the column in the next layer of ladder cage unit through the first screw hole, a second screw hole is provided on the top side wall of the first sleeve, and a third screw hole is provided on the side wall of the second sleeve; a first positioning hole is provided on the side wall of the bottom end of the column, the bottom end of the column is inserted into the inner side of the top end of the first sleeve and is bolted to the second screw hole through the first positioning hole, a second positioning hole is provided on the upper side wall of the column, and a third positioning hole is provided on the side wall of the top end of the column, the third positioning hole is located above the second positioning hole, the top end of the column passes through the second sleeve and is bolted to the third screw hole on the side wall of the second sleeve through the second positioning hole, the top end of the column is inserted into the first sleeve in the upper layer of the ladder cage unit and is bolted to the first screw hole on the bottom side wall of the first sleeve in the upper layer of the ladder cage unit through the third positioning hole.

3. The up-and-down tensioning cage according to claim 2, characterized in that: The bottom frame and the top frame are both rectangular frame structures. The inside of the bottom frame is fixedly connected to a first pedal member, and the inside of the top frame is fixedly connected to a second pedal member.

4. The up-and-down tensioning cage according to claim 3, characterized in that: The first pedal member and the second pedal member are staggered and a stair member is arranged between them; the bottom end of the stair member is detachably connected to the edge of the first pedal member, and the top end of the stair member is detachably connected to the edge of the second pedal member.

5. The up-and-down tensioning cage according to claim 4, characterized in that: A guardrail is arranged between the bottom frame and the top frame. The guardrail is located between adjacent columns, and the upper and lower ends of the guardrail are detachably connected to the top frame and the bottom frame respectively.

6. The up-and-down tensioning cage according to claim 5, characterized in that: The outer peripheral edges of the bottom frame and the top frame are both welded with corresponding mounting plates, and the mounting plates are provided with a first mounting hole and are bolted to a second mounting hole provided at the edge of the guardrail through the first mounting hole.

Images