A combined frame type ladder cage and its installation process

Abstract

The application provides a combined frame type ladder cage and an installation process thereof, and belongs to the technical field of foundation pit auxiliary equipment. The combined frame type ladder cage and the installation process thereof comprise: corner blocks, the corner blocks are two groups, and each group of the corner blocks is provided with four; connecting assemblies, the connecting assemblies are two groups, and each group of the corner blocks is matched with the connecting assemblies; stand columns, the stand columns are provided with four, and the four stand columns are respectively located at four corners between the two groups of the connecting assemblies; and stair assemblies, the stair assemblies are detachably installed between the two groups of the connecting assemblies and the four stand columns. The combined frame type ladder cage and the installation process thereof are characterized in that the connecting assemblies are inserted into the round grooves of the corner blocks, the insertion grooves of the stand columns are aligned with the protrusions of the connecting assemblies, and the upper and lower corner blocks, the connecting assemblies and the stand columns are preliminarily installed. A lock plate is opened by a key, a worker operates a main corner block, presses a pressing block on the surface of the main corner block, and makes an inner sliding block slide in a closed groove.

Description

Technical Field

[0001] This invention belongs to the technical field of foundation pit auxiliary equipment, specifically relating to a combined frame type ladder cage and its installation process. Background Technology

[0002] An excavation pit is an underground space excavated for the construction of a building's foundation and basement, used in building engineering. Excavation pits are temporary works, their function being to provide a space for the foundation construction work to be carried out in the locations specified in the design. Due to the large area of ​​the excavation pit, ladder cages are often used in the excavation pit. Existing modular frame ladder cages often employ easily disassembled structures during installation. For example, application number 202111512937.3 provides a modular frame ladder cage and its installation process. Through detachable connections between the various components of the ladder cage, each component can be disassembled when the cage is not in use. The frame connection assembly includes a first limiting plate, a connecting plate, a second limiting plate, and partitions. The cooperation between the two first limiting plates and the two connecting plates restricts the horizontal displacement of the uprights in one direction, and the two second limiting plates restrict the horizontal displacement of the uprights in the other direction. This allows for a more accurate position of the uprights relative to the safety platform, and consequently, a more accurate relative position between the two safety platforms. Adjusting the driving component, the first spring, and the second limiting plate to slide through the sidewall of the mounting slot further facilitates the installation of the uprights. However, existing modular frame cages require disassembly and installation of each corner of the frame during assembly, mostly eight corners. Since the installation and disassembly steps and methods are almost identical for each corner of the frame, the number of parts that need to be operated by the staff each time is large, which increases the difficulty of the work and makes it impossible for the staff to complete the installation and fixation of the entire frame in a simple way, resulting in poor practicality. Summary of the Invention

[0003] To address the cumbersome installation process in existing technologies, this invention provides a combined frame ladder cage and its installation process. By using corner blocks combined with connecting components to manipulate the main blocks, the four corner connecting components and uprights can be fixed in place. The specific technical solution is as follows: A combined frame ladder cage and its installation process includes: corner blocks, in two sets of four, each set containing four corner blocks; connecting components, also in two sets, each set of corner blocks cooperating with a connecting component; uprights, four uprights located at the four corners between the two sets of connecting components; and a staircase assembly detachably installed between the two sets of connecting components and the four uprights. Each corner block has a slot on one side, with an inner rotating block rotatably mounted at the bottom of the slot, and a circular groove on the top of the inner rotating block. The connecting components include: side locking blocks, side rods, rotating rods, and protrusions. Side rods are installed in the middle of the adjacent sidewalls of the block. The side locking block cooperates with the locking groove. The outside of the rotating rod cooperates with the circular groove. Slots are opened on both sides of the column. The protrusion cooperates with the slot. Straight grooves are opened on the inner walls of both sides of the circular groove. An arc groove is opened at the bottom of the straight groove. Side blocks are installed on the bottom of both sides of the outside of the rotating rod. The side blocks cooperate with the straight groove and the arc groove. The inside of the rotating rod is rotatably installed on the inner side of the side locking block. The inside of the rotating rod is connected to the opposite end of the outside of the rotating rod. A second rotating shaft is rotatably installed on the inner side of the side rod. Both sides of the second rotating shaft extend into the inner sides of the two side locking blocks. Both sides of the second rotating shaft cooperate with the inside of the rotating rod. Insert blocks are slidably installed on the four sides of the protrusion. Side grooves are opened on the four inner walls of the slot. The insert blocks cooperate with the side grooves and correspond one-to-one. A connecting rod is installed on the top of the inside of the rotating rod. The connecting rod cooperates with the four insert blocks.

[0004] Preferably, the corner block includes a main corner block and a secondary corner block, with the ratio of the main corner block to the secondary corner block in each group being 1:3. A side opening is provided in the middle of the inner wall of each adjacent side of the slot, and the side opening cooperates with the side rod. A bevel gear one is installed on the side wall of the inner rotating block inside the main corner block. A bevel gear two meshes with one side of the bevel gear one. One end of a rotating shaft one is installed in the center hole of the bevel gear two, and a knob is installed at the other end of the rotating shaft one. A groove is provided on the side wall of the main corner block, and the knob is rotatably installed at the bottom of the groove of the main corner block. A locking plate is installed on the side wall of the groove of the main corner block.

[0005] Preferably, the knob includes a rotating groove and a pressing block. The pressing block is slidably installed in the rotating groove. Side grooves are formed on both sides of the bottom of the rotating groove. One end of a rotating plate is rotatably installed on the side wall of the side groove. An inner slider is installed on the other end of the rotating plate. Closed grooves are formed on both sides of the pressing block. The inner slider is slidably installed inside the closed groove. A spring is installed between the pressing block and the bottom of the rotating groove.

[0006] Preferably, bevel gears four are installed on both sides of the rotating shaft two, bevel gears three are installed on the inner sidewall of the rotating rod, bevel gears three mesh with the two corresponding bevel gears four, the top of the connecting rod extends into the inner side of the protrusion and is equipped with bevel gear five, four bevel gears six are equidistantly meshed on the four sides of bevel gear five, one side of the screw is installed in the center hole of the bevel gear six, and the other side of the screw is threaded with the insert block, the insert block being a rectangular block.

[0007] Preferably, the staircase assembly includes: main beams, connectors, angle irons, load-bearing square tubes, and treads. The main beams are in two sets, with multiple main beams in each set. Connectors are installed on the outer walls between the main beams in each set, and angle irons are installed on the inner walls between the main beams in each set. The angle irons on both sides correspond one-to-one, and load-bearing square tubes are installed between the angle irons on both sides. Treads are installed on the top of the load-bearing square tubes.

[0008] Preferably, safety nets are installed inside the three sides of the connecting component and the column, and a safety door is installed inside the remaining side of the connecting component and the column.

[0009] In addition, the combined frame-type ladder cage and its installation process in the above-mentioned technical solution provided by the present invention include the following steps: S1, place the corner block, connecting components and column at the workstation; S2, Connect the connecting components to the corresponding corner blocks and connect the uprights to the corresponding connecting components; S3, open the locking plate and turn the knob to fix the corner block, connecting assembly and column in place; S4, install the staircase components on the inside of the frame formed by the corner blocks, connecting components and columns; S5, install three safety nets inside the side formed by the four corner blocks on the side; S6, install the safety door inside the side formed by the remaining four corner blocks.

[0010] The combined frame type ladder cage and its installation process of the present invention have the following advantages compared with the prior art: 1. The combined frame type ladder cage and its installation process are achieved by inserting the connecting components into the round grooves of the corner blocks and aligning the slots of the uprights with the protrusions of the connecting components, so that the corner blocks, connecting components and uprights on the upper and lower sides are initially installed. 2. Open the lock plate with the key, and the operator operates the main block. Press the pressing block on the surface of the main block to make the inner slider slide in the closed groove. The pressing block pops out under the action of the spring, making it convenient for the operator to rotate the pressing block, so that the pressing block drives the rotating groove to rotate. 3. By rotating the knob, the knob drives the bevel gear to mesh, causing the inner rotating block to rotate. This causes the side block, which is in the straight groove, to rotate into the arc-shaped groove. When it rotates to the end of the arc-shaped groove, the rotating rod rotates with the inner rotating block. The inner rotating block, through the bevel gear meshing, drives the rotating shaft two to rotate, simultaneously rotating the other three rotating rods. The side block outside the rotating rod enters the arc-shaped groove, fixing the corner block to the connecting assembly. The rotating rod inside drives the connecting rod to rotate, causing the connecting rod, through the bevel gear meshing, to drive the screw to rotate. The screw then drives the insert block into the side groove, fixing the connecting assembly and the column. Attached Figure Description

[0011] Figure 1 A three-dimensional structural diagram of a combined frame type ladder cage and its installation process provided by the present invention; Figure 2 An exploded structural diagram of a frame component for a combined frame-type ladder cage and its installation process provided by the present invention. Figure 3 A cross-sectional view of the main block of a combined frame type ladder cage and its installation process provided by the present invention. Figure 4 A rotary cross-sectional view of a combined frame type ladder cage and its installation process provided by the present invention; Figure 5 A cross-sectional view of the connecting components of a combined frame type ladder cage and its installation process provided by the present invention. Figure 6 A schematic diagram of the internal rotating block cross-section structure of a combined frame type ladder cage and its installation process provided by the present invention. Figure 7 A schematic diagram of a stair component structure for a combined frame type ladder cage and its installation process provided by the present invention. in, Figures 1 to 7The reference numerals and component names in the attached drawings are as follows: 1. Corner block, 2. Connecting assembly, 3. Column, 4. Staircase assembly, 5. Safety net, 6. Safety door, 7. Bevel gear one, 8. Bevel gear two, 9. Shaft one, 10. Locking plate, 11. Knob, 12. Inside of rotating rod, 13. Bevel gear three, 14. Bevel gear four, 15. Shaft two, 16. Connecting rod, 17. Bevel gear five, 18. Bevel gear six, 19. Screw, 20. Insert block, 101. Main block, 102. Secondary corner block, 103. Slot, 104. 105. Inner rotating block; 106. Circular groove; 107. Straight groove; 108. Arc groove; 109. Side opening; 201. Side locking block; 202. Side rod; 203. External rotating rod; 204. Protrusion; 2031. Side block; 301. Slot; 302. Side groove; 41. Main beam; 42. Connector; 43. Angle iron; 44. Load-bearing square tube; 45. Pedal; 111. Rotating groove; 112. Pressing block; 113. Side groove; 114. Rotating plate; 115. Closed groove; 116. Inner slider; 117. Spring. Detailed Implementation

[0012] The following are specific implementation cases and appendices. Figure 1-7 The present invention will be further described below, but the present invention is not limited to these embodiments. The present invention provides a technical solution: a combined frame type ladder cage and its installation process, comprising: Corner piece 1, there are two groups of corner pieces 1, with four corner pieces 1 in each group; four are arranged in a rectangular quadrilateral shape on the top side, and four are arranged symmetrically in the same position on the bottom side.

[0013] Connecting component 2 consists of two sets, with each set of corner blocks 1 cooperating with the connecting component 2; the upper connecting component 2 cooperates with the four upper corner blocks 1, and the lower connecting component 2 cooperates with the four lower corner blocks 1.

[0014] There are four columns 3, which are located at the four corners between the two sets of connecting components 2. The four columns 3 are inserted between the four corners of the upper and lower connecting components 2, so that the device forms a rectangular frame.

[0015] Staircase component 4 is detachably installed between two sets of connecting components 2 and four uprights 3; staircase component 4 is detachably installed inside the formed rectangular frame to allow workers to move up and down.

[0016] A slot 103 is provided on one side of corner block 1. An inner rotating block 104 is rotatably installed at the bottom of the slot 103. The top of the inner rotating block 104 is flush with the bottom of the slot 103, and the bottom of the inner rotating block 104 is rotatably installed on the inner side of corner block 1. A circular groove 105 is provided at the top of the inner rotating block 104. The connecting component 2 includes: a side locking block 201, a side rod 202, an outer rotating rod 203, and a protrusion 204. A side rod 202 is installed in the middle of the adjacent side wall of the side locking block 201. The side locking block 201 cooperates with the slot 103. The outer rotating rod 203 cooperates with the circular groove 105. Slots 301 are provided on both sides of the column 3. The protrusion 204 cooperates with the slot 301. Straight grooves 106 are provided on both inner walls of the circular groove 105, and arc grooves 107 are provided at the bottom of the straight grooves 106. The arc grooves 107 on both sides face the same direction. Side blocks 2031 are installed on both bottom sides of the outer side of the rotating rod 203. The side blocks 2031 cooperate with the straight grooves 106 and the arc grooves 107. After the side blocks 2031 enter the straight grooves 106, the inner rotating block 104 is rotated, causing the arc grooves 107 to rotate. The side blocks 2031 enter the inner side of the arc grooves 107, so that the outer side of the rotating rod 203 cannot be separated from the inner rotating block 104. The inner side of the side block 201 is rotatably mounted with the inner side of the rotating rod 12, which is connected to the opposite end of the outer side of the rotating rod 203. The inner side of the side rod 202 is rotatably mounted with the second rotating shaft 15. Both sides of the second rotating shaft 15 extend into the inner side of the two side blocks 201. Both sides of the second rotating shaft 15 cooperate with the inner side of the rotating rod 12. The rotation of the inner side of the rotating rod 12 drives the second rotating shaft 15 to rotate. Insert blocks 20 are slidably installed on all four sides of the protrusion 204. The insert blocks 20 slide into the inner side of the protrusion 204. The four inner walls of the slot 301 are provided with side grooves 302. The insert blocks 20 and the side grooves 302 are matched and correspond one-to-one. A connecting rod 16 is installed on the top of the inside 12 of the rotating rod. The connecting rod 16 is matched with the four insert blocks 20. The rotation of the connecting rod 16 drives the four insert blocks 20 to slide.

[0017] As a preferred embodiment, the corner block 1 further comprises: a main corner block 101 and a secondary corner block 102, with the ratio of the number of main corner blocks 101 to secondary corner blocks 102 in each set of corner blocks 1 being 1:3. Side openings 108 are provided in the middle of the inner walls of adjacent sides of the slot 103, and the side openings 108 cooperate with the side rods 202. A bevel gear 7 is installed on the side wall of the inner rotating block 104 inside the main corner block 101. A bevel gear 8 meshes with one side of the bevel gear 7. One end of a rotating shaft 9 is installed in the center hole of the bevel gear 8, and the other end of the rotating shaft 9... A knob 11 is installed, and a groove is provided on the side wall of the main block 101. The knob 11 is rotatably installed at the bottom of the groove of the main block 101. A locking plate 10 is installed on the side wall of the groove of the main block 101. By rotating the knob 11, the rotating shaft 9 is driven to rotate, which in turn drives the bevel gear 8 to rotate. The bevel gear 8 meshes with the bevel gear 7 to rotate, which in turn drives the inner rotating block 104 of the main block 101 to rotate, so that the side block 2031 enters the corresponding arc groove 107, which drives the outer part 203 and the inner part 12 of the rotating rod to rotate.

[0018] As a preferred embodiment, the knob 11 further includes: a rotating groove 111 and a pressing block 112. The pressing block 112 is slidably installed in the groove of the rotating groove 111. Side grooves 113 are provided on both sides of the bottom of the rotating groove 111. One end of a rotating plate 114 is rotatably installed on the side wall of the side groove 113. An inner slider 116 is installed on the other end of the rotating plate 114. A closed groove 115 is provided on both sides of the pressing block 112. The closed groove 115 is an existing press-rebound groove. The inner slider 116 is slidably installed inside the closed groove 115. A spring 117 is installed between the pressing block 112 and the bottom of the rotating groove 111. Pressing the pressing block 112 causes the pressing block 112 to pop out or enter the rotating groove 111.

[0019] As a preferred embodiment, further, bevel gears four 14 are installed on both sides of the rotating shaft two 15, and bevel gears three 13 are installed on the side wall of the inner wall of the rotating rod 12. The bevel gears three 13 mesh with the two corresponding bevel gears four 14. The top of the connecting rod 16 extends into the inner side of the protrusion 204 and is fitted with a bevel gear five 17. Four bevel gears six 18 are equidistantly meshed on the four sides of the bevel gear five 17. One side of the screw rod 19 is installed in the center hole of the bevel gear six 18, and the other side of the screw rod 19... A rectangular block 20 is installed on the side thread. The rotation of the inner part 12 of the rotating rod causes the bevel gear 3 13 to mesh with the two bevel gears 4 14 on both sides to rotate. The bevel gears 4 14 drive the rotating shaft 2 15 to rotate, thereby driving the rotation of the inner part 12 of the rotating rod in the remaining side clamp block 201 to rotate. This causes the connecting rod 16 to drive the bevel gear 5 17 to rotate. The bevel gear 5 17 meshes with the bevel gear 6 18 to rotate. The bevel gear 6 18 drives the screw 19 to rotate, causing the inner part 20 to move under the rotation of the screw 19.

[0020] As a preferred embodiment, the staircase component 4 further includes: main beams 41, connectors 42, angle irons 43, load-bearing square tubes 44, and treads 45. There are two sets of main beams 41, with eight main beams in each set. Connectors 42 are installed on the outer walls of each set of main beams 41 by screws. Angle irons 43 are installed on the inner walls of each set of main beams 41 by screws. The angle irons 43 on both sides correspond one to one. Load-bearing square tubes 44 are installed between the angle irons 43 on both sides by screws. Treads 45 are installed on the top of the load-bearing square tubes 44 by screws.

[0021] As a preferred option, safety nets 5 are installed inside the three sides of the connecting component 2 and the column 3, and a safety door 6 is installed inside the remaining side of the connecting component 2 and the column 3.

[0022] As a preferred option, further steps include: Place corner block 1, connecting component 2 and column 3 at the workstation; among them, main block 101 is aligned vertically, and secondary corner block 102 is aligned vertically. Connect the connecting component 2 to the corresponding corner block 1 and connect the column 3 to the corresponding connecting component 2; the top connecting component 2 inserts the outer 203 of the rotating rod upward into the circular groove 105, the bottom connecting component 2 inserts the outer 203 of the rotating rod downward into the circular groove 105, and then installs the column 3 between the protrusions 204 of the upper and lower side blocks 201. Open the lock plate 10 and turn the knob 11 to fix the corner block 1, connecting component 2 and column 3 in place. The user opens the lock plate 10 with the key to improve the security of using the knob 11. Turning the knob 11 causes the inner rotating block 104 inside the main block 101 to rotate, causing the arc groove 107 to rotate and the side block 2031 to rotate to the inside of the arc groove 107. Then the inner rotating block 104 rotates, causing the outer rotating rod 203 and the inner rotating rod 12 to rotate. Through the second rotating shaft 15, the inner rotating rod 12 of the other three rotating rods rotates, causing the side block 2031 connected to the inner rotating rod 12 to enter the arc groove 107. The connecting rod 16 also rotates synchronously. The stair component 4 is installed on the inside of the frame formed by corner block 1, connecting component 2 and column 3; the user can add or remove the number of steps 41 as needed to control the installation height of the steps 45. Install three safety nets 5 inside the side formed by the four corner blocks 1, and install the safety door 6 inside the remaining four corner blocks 1.

[0023] The safety net, safety door, enclosed groove, and stair components in this case are existing technologies. The safety net and safety door have the same structure and connection method as those in the prior art, and the enclosed groove is a push-to-pop type groove. As long as the safety net, safety door, enclosed groove, and stair components meet the requirements of this case, they are acceptable.

[0024] Working principle: All electrical components described in this application are externally connected to a power supply and control switch during use. After installation, first check the installation, fixation, and safety precautions before use. When using, refer to... Figure 1 and Figure 2 First, align the outer part 203 of the rotating rod of the connecting component 2 with the circular groove 105 and the straight groove 106 according to the position of the side block 2031 and insert it. Operate the connecting components 2 on the upper and lower sides symmetrically. After the outer part 203 of the rotating rod is fully inserted into the corresponding circular groove 105, align the upper and lower slots 301 of the column 3 with the protrusions 204 and insert them. At this time, the corner blocks 1 on the upper and lower sides and the connecting components 2 and the column 3 are installed with the basic frame.

[0025] refer to Figure 2 , Figure 3 , Figure 5 and Figure 6 When the side block 2031 is inserted from the straight groove 106 to the junction of the straight groove 106 and the arc-shaped groove 107, the user unlocks the lock plate 10 with the key and turns the knob 11. The knob 11 drives the bevel gear 8 to rotate through the rotating shaft 9. The bevel gear 8 meshes with the bevel gear 7 and rotates. The bevel gear 7 drives the inner rotating block 104 to rotate, causing the side block 2031 to rotate into the arc-shaped groove 107 and fit against the tail of the arc-shaped groove 107. After the side block 2031 enters the arc-shaped groove 107, the corner block 1 and the connecting assembly 2 are fixed to each other. Continuing to turn the knob 11 drives the inner rotating block 104 to rotate, causing the inner rotating block 104 to pass through the arc-shaped groove 107. 7 drives the outer part 203 of the rotating rod to rotate, and the outer part 203 of the rotating rod drives the inner part 12 of the rotating rod to rotate. The inner part 12 of the rotating rod rotates through the surface bevel gear three 13 meshing with the surface bevel gear four 14 on both sides, so that the bevel gear four 14 drives the inner rotating rods of the other three inner edge locking blocks 201 through the rotating shaft two 15, and rotates in the same way. The inner part 12 of the rotating rod drives the connecting rod 16 to rotate, and the connecting rod 16 drives the bevel gear five 17 to mesh with the bevel gear six 18 to rotate. The bevel gear six 18 drives the screw 19 to rotate, so that the screw 19 drives the surface insert 20 to slide outward, so that the insert 20 enters the inner side of the side groove 302, and fixes the connecting component 2 and the column 3 relative to each other.

[0026] refer to Figure 3 and Figure 4When the user opens the lock plate 10, the user presses the pressing block 112 inward, causing the inner slider 116 to slide along the closed groove 115 until it reaches the bottom of the middle side of the closed groove 115. At this time, the pressing block 112 slides outward under the action of the spring 117, causing the pressing block 112 to extend into the rotating groove 111, which allows the user to rotate the pressing block 112 to drive the rotating groove 111 to rotate, thereby causing the rotating groove 111 to drive the rotating shaft 9 to rotate. After use, the user presses the pressing block 112 inward again, causing the inner slider 116 to slide along the closed groove 115 to the top of the middle side. At this time, the pressing block 112 enters the rotating groove 111 under the limit of the inner slider 116, and then the user closes the lock plate 10.

[0027] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention; therefore, the embodiments should be regarded as exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of the equivalents of the claims are intended to be included within the present invention; no reference numerals in the claims should be construed as limiting the scope of the claims.

[0028] In the description of this invention, the term "a plurality of" refers to two or more. Unless otherwise explicitly defined, the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. The terms "connection," "installation," "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this invention can be understood according to the specific circumstances.

[0029] In the description of this invention, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the invention. In this invention, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0030] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A combined frame type ladder cage, characterized in that, include: Corner pieces (1), the corner pieces (1) are in two groups, and each group of the corner pieces (1) has four pieces; The connecting component (2) consists of two sets, with each set of corner blocks (1) cooperating with the connecting component (2); The column (3) is provided in four parts, and the four columns (3) are respectively located at the four corners between the two sets of connecting components (2); Staircase assembly (4), which is detachably installed between the two sets of the connecting assemblies (2) and the four columns (3); A slot (103) is provided on one side of the corner block (1), an inner rotating block (104) is rotatably installed at the bottom of the slot (103), and a circular groove (105) is provided at the top of the inner rotating block (104). The connecting component (2) includes: a side block (201), a side rod (202), an outer rotating rod (203), and a protrusion (204). A side rod (202) is installed in the middle of the adjacent side wall of the side block (201). The side block (201) cooperates with the slot (103), and the outer rotating rod (203) cooperates with the circular groove (105). Slots (301) are provided on both sides of the column (3), and the protrusion (204) cooperates with the slot (301). The inner walls of both sides of the circular groove (105) are provided with straight grooves (106), and the bottom of the straight groove (106) is provided with an arc groove (107). The bottom of both sides of the outside of the rotating rod (203) is provided with side blocks (2031), and the side blocks (2031) cooperate with the straight groove (106) and the arc groove (107). The inner side of the side block (201) is rotatably mounted with the inside of the rotating rod (12), and the inside of the rotating rod (12) is connected to the opposite end of the outside of the rotating rod (203). The inner side of the side rod (202) is rotatably mounted with the second rotating shaft (15), and both sides of the second rotating shaft (15) extend into the inner side of the side blocks (201) on both sides. Both sides of the second rotating shaft (15) cooperate with the inside of the rotating rod (12). The four sides of the protrusion (204) are slidably fitted with inserts (20), and the four inner walls of the slot (301) are provided with side grooves (302). The inserts (20) and the side grooves (302) are matched and correspond one-to-one. The top of the inside of the rotating rod (12) is fitted with a connecting rod (16), and the connecting rod (16) is matched with the four inserts (20). The corner block (1) includes: a main block (101) and a secondary corner block (102). The ratio of the number of the main block (101) and the secondary corner block (102) in each group of corner blocks (1) is 1:

3. The middle of the inner wall of the adjacent two sides of the slot (103) is provided with a side opening (108). The side opening (108) cooperates with the side rod (202). The inner rotating block (104) inside the main block (101) is equipped with a bevel gear one (7). One side of the bevel gear one (7) is meshed with a bevel gear two (8). The center hole of the bevel gear two (8) is equipped with one end of the rotating shaft one (9). The other end of the rotating shaft one (9) is equipped with a knob (11). The side wall of the main block (101) is provided with a groove. The knob (11) is rotatably installed at the bottom of the groove of the main block (101). The side wall of the groove of the main block (101) is equipped with a locking plate (10). Both sides of the rotating shaft 2 (15) are equipped with bevel gear 4 (14), and the side wall of the inner (12) of the rotating rod is equipped with bevel gear 3 (13). The bevel gear 3 (13) meshes with the two bevel gear 4 (14) opposite to it. The top of the connecting rod (16) extends into the inner side of the protrusion (204) and is equipped with bevel gear 5 (17). The four sides of the bevel gear 5 (17) are equidistantly meshed with four bevel gear 6 (18). The center hole of the bevel gear 6 (18) is equipped with one side of the screw (19), and the other side of the screw (19) is threaded with the insert block (20). The insert block (20) is a rectangular block.

2. The combined frame type ladder cage according to claim 1, characterized in that, The knob (11) includes a rotating groove (111) and a pressing block (112). The pressing block (112) is slidably installed in the groove of the rotating groove (111). Side grooves (113) are provided on both sides of the bottom of the rotating groove (111). One end of a rotating plate (114) is rotatably installed on the side wall of the side groove (113). An inner slider (116) is installed on the other end of the rotating plate (114). A closed groove (115) is provided on both sides of the pressing block (112). The inner slider (116) is slidably installed inside the closed groove (115). A spring (117) is installed between the pressing block (112) and the bottom of the rotating groove (111).

3. The combined frame type ladder cage according to claim 1, characterized in that, The staircase assembly (4) includes: a main beam (41), a connector (42), an angle iron (43), a load-bearing square tube (44), and a tread (45). The main beam (41) consists of two sets, with multiple main beams (41) in each set. A connector (42) is installed on the outer wall between the main beams (41) in each set, and an angle iron (43) is installed on the inner wall between the main beams (41) in each set. The angle irons (43) on both sides correspond one to one, and a load-bearing square tube (44) is installed between the angle irons (43) on both sides. A tread (45) is installed on the top of the load-bearing square tube (44).

4. A combined frame type ladder cage according to claim 1, characterized in that, Safety nets (5) are installed on the three sides of the connecting component (2) and the column (3), and a safety door (6) is installed on the remaining side of the connecting component (2) and the column (3).

5. The installation process of a combined frame type ladder cage according to any one of claims 1-4, characterized in that, Includes the following steps: S1, place the corner block (1), connecting component (2) and column (3) on the workstation; S2, Connect the connecting component (2) to the corresponding corner block (1) and connect the column (3) to the corresponding connecting component (2); S3, open the lock plate (10), turn the knob (11) to fix the corner block (1), connecting component (2) and column (3) in place; S4, install the stair component (4) on the inside of the frame formed by the corner block (1), the connecting component (2) and the column (3); S5, install three safety nets (5) inside the side formed by the four corner blocks (1) on the side; S6, install the safety door (6) inside the side formed by the remaining four corner blocks (1).

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