Assembly type ladder cage convenient to connect

By setting up a connection mechanism, connecting seat mechanism and elastic limit mechanism on the ladder cage, the rapid installation and disassembly of the ladder cage is achieved, and the problem of low installation efficiency in the existing technology is solved. It is suitable for construction of bridges, overpasses, house construction and tunnels.

CN223075124UActive Publication Date: 2025-07-08CCCC SECOND HARBOR ENGINEERING CO LTD
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Patent Information

Application Number
CN202421911824.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-07-08
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

The installation efficiency of the existing steel pipe bolt connection method of the ladder cage is low, it consumes manpower and material resources, and it is difficult to meet construction requirements and increases the cost of use.

Method used

The connecting mechanism, connecting seat mechanism and elastic limiting mechanism are adopted to realize pre-assembly of the ladder cage through rotation and insertion, instead of traditional bolt connections, and the overall lifting is carried out in combination with the lifting plate and the lifting hole.

Benefits of technology

It realizes the rapid installation and disassembly of ladder cages, improves construction efficiency, reduces manpower and material investment, and is suitable for a variety of engineering construction scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building equipment, in particular to an assembly type ladder cage convenient to connect, which comprises an upper supporting platform, a lower supporting platform, four supporting stand columns arranged between the upper supporting platform and the lower supporting platform, a ladder stand assembly and a protective net, and further comprises a connecting mechanism rotationally arranged on the supporting stand columns, the pre-assembling device is used for pre-assembling the upper supporting platform and the lower supporting platform; the connecting base mechanism is arranged at the end corner of the upper supporting platform and used for being matched with a connecting mechanism to conduct preset assembling on the upper supporting platform and the lower supporting platform; and the elastic limiting mechanism is arranged in two groups of grooves formed in one side of the upper supporting platform and is used for assembling the crawling ladder assembly. According to the utility model, the preassembly of the segment units of the single elevator cage formed by the upper supporting platform, the lower supporting platform and the supporting upright posts is realized, a plurality of segment units can be erected on site by using the supporting upright posts on site, the installation is not required to be carried out in sequence, and time and labor are saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of construction equipment, in particular to an assembled ladder cage which is convenient to connect. Background Art

[0002] During high-altitude operations at the engineering construction site, the ladder cage is an essential equipment for construction workers to climb to high altitudes for operations, and is widely used in various engineering constructions such as bridges, overpasses, building construction, tunnels, etc.

[0003] At present, most of the ladder cages used at the engineering construction site are erected by using the method of connecting with steel pipes and bolts. Such connections need to be installed in sequence, which not only fails to meet the construction requirements, but also has extremely low installation and disassembly efficiency. Once the height of the ladder cage is too high, it will consume a huge amount of manpower and material resources, increasing the use cost and being inconvenient to use.

[0004] The above content is only used to assist in understanding the technical solution of the present invention, and does not represent an admission that the above content is the closest prior art. Content of the Utility Model

[0005] The purpose of the utility model is to solve the above deficiencies and provide an assembled ladder cage which is convenient to connect.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme: an assembled ladder cage which is convenient to connect, comprising an upper support platform, a lower support platform, and four support columns, a ladder component and a protective net arranged between the upper support platform and the lower support platform, and further comprising:

[0007] A connection mechanism, rotatably arranged on the support column, for performing preset assembly on the upper support platform and the lower support platform;

[0008] A connection seat mechanism, arranged at the end corner of the upper support platform, for cooperating with the connection mechanism to perform preset assembly on the upper support platform and the lower support platform;

[0009] An elastic limit mechanism, arranged in two groups of grooves opened on one side of the upper support platform, for assembling the ladder component.

[0010] Further, the connection mechanism includes a connection shaft arranged at one end of the support column, an activity collar is arranged on the connection shaft and near the support column, two parallel sleeves are arranged at a certain distance up and down on the circumferential surface of the connection shaft, a cross bar fixed on the outer circumferential surface of the connection shaft is arranged at the inner end of the sleeve, a spring is arranged on the cross bar, and a connection mechanism with the same structure is arranged at the other end of the support column.

[0011] Furthermore, the connection seat mechanism includes connection grooves provided at the corner ends of the upper support platform. A positioning vertical groove is vertically provided on the inner peripheral surface of the connection groove. An arc-shaped limiting groove is provided on the positioning vertical groove along the circumferential line of the connection groove, and two sections of the arc-shaped limiting groove are provided on the positioning vertical groove. The arc-shaped limiting groove is used to cooperate with the sleeve for limiting connection.

[0012] Furthermore, the elastic limiting mechanism includes a central shaft provided in a groove opened on one side of the upper support platform. A clamping strip is provided outside the end of the central shaft placed in the groove. A torsion spring is provided outside the end of the clamping strip connected to the central shaft. The torsion spring can withstand torsional deformation and provide an elastic effect for limiting connection of both ends of the ladder assembly.

[0013] Furthermore, the clamping strip is composed of two support plates, and an included angle is provided between the two support plates.

[0014] Furthermore, the ladder assembly includes a ladder provided between the upper support platform and the lower support platform. Clamping grooves are provided at both the upper and lower ends of the side support plates on both sides of the ladder. The clamping grooves are used to cooperate with one side support plate of the clamping strip for assembly.

[0015] Furthermore, the upper support platform, the lower support platform, the support columns, the ladder assembly, and the protective net are assembled to form a segment unit.

[0016] Furthermore, support feet are provided at the bottom corner ends of the segment unit at the bottom layer. Connection mechanisms with the same structure are provided on the support feet. Hoisting plates are provided on both sides of the upper part of the segment unit at the top layer. Connection mechanisms with the same structure are provided on the two side support parts of the hoisting plate. Two hoisting holes are provided on the hoisting plate along the longitudinal line.

[0017] Furthermore, connection seat mechanisms with the same structure are provided at the corner ends of the lower support platform.

[0018] Furthermore, an elastic limiting mechanism is also provided on the other side of the groove opened on the lower support platform opposite to the groove on the upper support platform.

[0019] Compared with the prior art, the utility model has the following beneficial effects: Through the connecting seat mechanism and elastic limiting mechanism arranged on the upper support platform and lower support platform, and the connecting mechanism arranged on the support column, the pre-assembly of the segment unit of a single ladder cage composed of the upper support platform, lower support platform and support column is realized. Multiple segment units can be erected on-site using the support column during the construction site, and the installation does not need to be carried out in sequence, saving time and effort. And the connecting shaft installed with the sleeve, cross bar and spring is fixedly connected by the operation of first inserting and then rotating in the positioning vertical groove and arc-shaped limiting groove included in the connecting seat mechanism, replacing the traditional bolt connection method and realizing convenient installation and disassembly. Also, through the hoisting plates and hoisting holes distributed on both sides of the top segment unit, the overall hoisting is realized, facilitating the construction and installation requirements in any construction scenario. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The schematic drawings forming a part of this application are used to provide a further understanding of the utility model. The schematic embodiments and descriptions thereof of the utility model are used to explain the utility model and do not constitute an improper limitation to the utility model. In the drawings:

[0021] Figure 1 is a perspective three-dimensional structure diagram of a segment unit according to an embodiment of the utility model;

[0022] Figure 2 is an exploded perspective three-dimensional structure diagram of a segment unit according to an embodiment of the utility model;

[0023] Figure 3 is another perspective three-dimensional structure diagram of a segment unit according to an embodiment of the utility model;

[0024] Figure 4 is Figure 3 the enlarged structure diagram at A in

[0025] Figure 5 is a front view plane structure diagram of a segment unit according to an embodiment of the utility model;

[0026] Figure 6 is Figure 5 the enlarged structure diagram at B in

[0027] Figure 7 is a perspective three-dimensional structure diagram of the whole combination of multiple segment units according to an embodiment of the utility model.

[0028] In the figure: 1. Upper support platform; 2. Lower support platform; 3. Support column; 4. Connection mechanism; 41. Connection shaft; 42. Sleeve; 43. Cross bar; 44. Spring; 5. Connection seat mechanism; 51. Connection groove; 52. Positioning vertical groove; 53. Arc-shaped limiting groove; 6. Elastic limiting mechanism; 61. Central shaft; 62. Card strip; 7. Ladder assembly; 71. Ladder; 72. Card slot; 8. Safety net; 9. Support foot; 10. Hoisting plate; 11. Hoisting hole. Detailed implementation mode

[0029] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship and movement conditions between components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0031] In addition, if there are descriptions such as "first", "second", etc. involved in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or a solution where A and B are satisfied simultaneously. In addition, "multiple" means more than two. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention.

[0032] As Figure 1-7 shown, an assembled ladder cage convenient for connection of the present invention includes an upper support platform 1, a lower support platform 2, four support columns 3, a ladder assembly 7 and a safety net 8 arranged between the upper support platform 1 and the lower support platform 2, and further includes:

[0033] The connecting mechanism 4 is rotatably arranged on the support column 3 and is used for performing preset assembly on the upper support platform 1 and the lower support platform 2;

[0034] The connecting seat mechanism 5 is arranged at the end corner of the upper support platform 1 and is used to cooperate with the connecting mechanism 4 to perform preset assembly on the upper support platform 1 and the lower support platform 2;

[0035] The elastic limit mechanism 6 is arranged in two groups of grooves opened on one side of the upper support platform 1 and is used for assembling the ladder assembly 7. With such a design, by using a method including but not limited to magnetic attraction fixation on the outer side surface of the area formed between the upper support platform 1 and the lower support platform 2, a safety operation space is formed. In addition, through the connecting mechanism 4 connected to the support column 3 and the connecting seat mechanism 5 distributed at the end corners of the upper support platform 1, the traditional bolt connection method is replaced by a method of first inserting and then rotating, which can perform rapid assembly, improve the assembly efficiency, and also simplify the assembly method of the ladder assembly 7 between the upper support platform 1 and the lower support platform 2 through the elastic limit mechanism 6, with simple operation.

[0036] In an embodiment, the connecting mechanism 4 includes a connecting shaft 41 arranged at one end of the support column 3. An active collar is arranged on the connecting shaft 41 and near the support column 3. Two parallel sleeves 42 are arranged on the circumferential surface of the connecting shaft 41 at a certain distance up and down. The inner end of the sleeve 42 is provided with a cross bar 43 fixed on the outer circumferential surface of the connecting shaft 41. A spring 44 is arranged on the cross bar 43. The other end of the support column 3 is provided with a connecting mechanism 4 with the same structure. With such a design, through the connecting shaft 41 connected by the active collars at both ends of the support column 3, the rotation of the connecting shaft 41 at the corresponding end of the support column 3 is realized by using the active collar, which assists in realizing the convenient assembly of the connecting shaft 41 on the upper support platform 1 and the lower support platform 2, completing the rapid assembly of a single segment unit, improving the assembly efficiency, and saving time and effort.

[0037] Preferably, the outer surface of the sleeve 42 is coated with a rubber layer. With such a design, the damping connection performance of the sleeve 42 in the arc-shaped limit groove 53 can be increased, preventing self-rotation and falling off.

[0038] In one embodiment, the connecting seat mechanism 5 includes a connecting groove 51 provided at the corner of the upper support platform 1. A positioning vertical groove 52 is vertically provided on the inner peripheral surface of the connecting groove 51. An arc-shaped limiting groove 53 is provided on the positioning vertical groove 52 along the circumferential line of the connecting groove 51, and two sections of the arc-shaped limiting groove 53 are provided on the positioning vertical groove 52. The arc-shaped limiting groove 53 is used to cooperate with the sleeve 42 for limiting connection. With such a design, through the positioning vertical groove 52 machined vertically at the top of the inner part of the connecting groove 51 and the two parallel upper and lower arc-shaped limiting grooves 53 provided on the positioning vertical groove 52 along the circumferential line of the connecting groove 51, it can be assembled in a matching manner with the sleeve 42 and the cross bar 43 connected to the outer peripheral surface of the connecting shaft 41, completing the rapid assembly of the support column 3 at the corresponding connecting seat mechanism 5.

[0039] In one embodiment, the elastic limiting mechanism 6 includes a central shaft 61 provided in a groove opened on one side of the upper support platform 1. A clamping bar 62 is provided on the end portion of the central shaft 61 placed in the groove, and a torsion spring is provided on the outer portion of the end of the clamping bar 62 connected to the central shaft 61. The torsion spring can withstand torsional deformation and provide an elastic effect for limiting and connecting the two ends of the ladder assembly 7. With such a design, through the clamping bar 62 connected by the torsion spring on the central shaft 61, when assembling the ladder assembly 7 in the groove, it only needs to rotate the clamping bar 62 connected by the torsion spring outwards so that the ladder assembly 7 is placed in the groove, thus completing the rapid assembly.

[0040] In one embodiment, the clamping bar 62 is composed of two support plates, and an included angle is provided between the two support plates. With such a design, through the two support plates with an included angle on the clamping bar 62, as Figure 6 shown, it can meet the limiting requirements of the ladder assembly 7 in the present utility model in the groove.

[0041] In one embodiment, the ladder assembly 7 includes a ladder 71 provided between the upper support platform 1 and the lower support platform 2. Clamping grooves 72 are provided at the upper and lower ends of the two side support plates of the ladder 71. The clamping grooves 72 are used to cooperate with one side support plate on the clamping bar 62 for assembly. With such a design, through the clamping grooves 72 machined at the upper and lower ends of the two side support plates of the ladder 71 as Figure 6 shown, it can facilitate the rotation operation of the clamping bar 62 included in the elastic limiting mechanism 6 in the clamping grooves 72 and meet the actual assembly requirements at the same time.

[0042] In one embodiment, the upper support platform 1, the lower support platform 2, the support columns 3, the ladder assembly 7 and the protective net 8 are assembled to form a segment unit. With this design, by providing the upper support platform 1, the lower support platform 2, the support columns 3, the ladder assembly 7 and the protective net 8, the segment unit can be pre-assembled, and the support columns 3 can be used to erect multiple segment units on-site during construction. The installation does not need to be carried out in sequence, saving time and effort and improving efficiency.

[0043] In one embodiment, support feet 9 are provided at the bottom end corners of the segment unit at the bottom layer, and connection mechanisms 4 with the same structure are provided on the support feet 9. Hoisting plates 10 are provided on both sides of the upper part of the segment unit at the top layer, and connection mechanisms 4 with the same structure are provided on the two support parts on both sides of the hoisting plates 10. Two hoisting holes 11 are provided on the hoisting plates 10 along the longitudinal line. With this design, by providing the support feet 9 and the connection mechanisms 4 on the support feet 9, rapid assembly can be carried out on the lower support platform 2 at the bottom layer and stable support can be provided. Also, by providing the hoisting plates 10 and the connection mechanisms 4 on the hoisting plates 10, the hoisting plates 10 can be rapidly assembled on the upper support platform 1 at the top layer, and a hoisting hook can be assembled on the hoisting holes 11 opened on the hoisting plates 10 using hoisting machinery for on-site construction operations, meeting the installation requirements of the present utility model at the construction site.

[0044] In one embodiment, connection seat mechanisms 5 with the same structure are provided at the end corners of the lower support platform 2. With this design, by providing the connection seat mechanisms 5 on the lower support platform 2, the support columns 3 on the lower support platform 2 can be rapidly assembled, improving efficiency.

[0045] In one embodiment, elastic limiting mechanisms 6 are also provided on the other side of the groove opened on the lower support platform 2 opposite to the groove opened on the upper support platform 1. With this design, through the grooves with the same structure opened on the lower support platform 2 and the elastic limiting mechanisms 6 connected in the grooves, the rapid assembly of the ladder assembly 7 on the lower support platform 2 can be achieved by cooperating with the card slots 72 opened at the lower ends of the ladders 71, realizing the climbing function of the ladder cage and being convenient to operate.

[0046] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, in any regard, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to encompass all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model.

Claims

1. An assembled ladder cage facilitating connection, comprising an upper support platform (1), a lower support platform (2), four support columns (3), a ladder component (7) and a protective net (8) arranged between the upper support platform (1) and the lower support platform (2), and characterized in that: It further includes: A connecting mechanism (4), rotatably arranged on the support column (3) for performing preset assembly on the upper support platform (1) and the lower support platform (2); A connecting seat mechanism (5), arranged at the end corners of the upper support platform (1) for cooperating with the connecting mechanism (4) to perform preset assembly on the upper support platform (1) and the lower support platform (2); An elastic limiting mechanism (6), arranged in two groups of grooves opened on one side of the upper support platform (1) for assembling the ladder assembly (7).

2. The prefabricated ladder cage according to claim 1, which is characterized in that: The connecting mechanism (4) includes a connecting shaft (41) arranged at one end of the support column (3). An active collar is arranged on the connecting shaft (41) and at the proximal end on the support column (3). Two parallel sleeves (42) are arranged on the circumferential surface of the connecting shaft (41) at a certain distance up and down. A cross bar (43) fixed to the outer circumferential surface of the connecting shaft (41) is arranged at the inner end of the sleeve (42). A spring (44) is arranged on the cross bar (43). The other end of the support column (3) is provided with a connecting mechanism (4) of the same structure.

3. The prefabricated ladder cage according to claim 2, which is convenient for connection, is characterized in that: The connecting seat mechanism (5) includes a connecting groove (51) arranged at the end corner of the upper support platform (1). A positioning vertical groove (52) is vertically arranged on the inner circumferential surface of the groove of the connecting groove (51). An arc-shaped limiting groove (53) is arranged on the positioning vertical groove (52) along the circumferential line of the connecting groove (51). There are two sections of the arc-shaped limiting groove (53) arranged on the positioning vertical groove (52); the arc-shaped limiting groove (53) is used to cooperate with the sleeve (42) for limiting connection.

4. The prefabricated ladder cage convenient for connection according to claim 1, wherein: The elastic limiting mechanism (6) includes a central shaft (61) arranged in the groove opened on one side of the upper support platform (1). A clamping bar (62) is arranged outside the end of the central shaft (61) placed in the groove. A torsion spring is arranged outside the end of the clamping bar (62) connected to the central shaft (61); the torsion spring can withstand torsional deformation and provide an elastic effect for limiting and connecting both ends of the ladder assembly (7).

5. The prefabricated ladder cage according to claim 4, characterized in that: The clamping bar (62) is composed of two support plates, and an included angle is provided between the two support plates.

6. The prefabricated ladder cage according to claim 5, which is characterized in that: The ladder assembly (7) includes a ladder (71) arranged between the upper support platform (1) and the lower support platform (2). Clamping grooves (72) are arranged at the upper and lower ends of the two side support plates on the ladder (71); the clamping grooves (72) are used to cooperate with one side support plate on the clamping bar (62) for assembly.

7. The prefabricated ladder cage that is convenient to connect according to claim 1, wherein: The upper support platform (1), the lower support platform (2), the support column (3), the ladder assembly (7) and the protective net (8) are assembled to form a segment unit.

8. The prefabricated ladder cage convenient for connection according to claim 7, characterized in that: Support feet (9) are arranged at the bottom end corners of the segment unit placed at the bottom layer. The support feet (9) are provided with connecting mechanisms (4) of the same structure. Hoisting plates (10) are arranged on both sides of the upper part of the segment unit placed at the top layer. Connecting mechanisms (4) of the same structure are arranged at the two side support parts of the hoisting plates (10). Two hoisting holes (11) are arranged on the hoisting plates (10) along the longitudinal line.

9. The prefabricated ladder cage convenient for connection according to claim 3, wherein: The end corners of the lower support platform (2) are provided with connecting seat mechanisms (5) of the same structure.

10. The prefabricated ladder cage according to claim 4, characterized in that: On the other side of the groove formed on the lower support platform (2) opposite to the upper support platform (1), an elastic limiting mechanism (6) is also provided.