Connecting assembly for crawling ladder

Abstract

The utility model discloses a connecting component for a crawling ladder, which comprises two lug plates at the same height, the two lug plates are distributed at 90 degrees and welded on a circular steel pipe column, and the lug plates and brackets on the circular steel pipe column are correspondingly arranged up and down. Wherein one lug plate is provided with a first rod piece, the other lug plate is provided with a second rod piece, the included angle between the central axis of the first rod piece and the central axis of the second rod piece is 90 degrees, the first rod piece and the second rod piece are fixedly connected, a third rod piece is fixed to the connecting position of the first rod piece and the second rod piece, and the third rod piece is obliquely fixed to the circular steel pipe column. The first rod piece, the second rod piece and the third rod piece are arranged above the area between the two brackets, the first rod piece and the second rod piece are used for installing the ladder stand, after the ladder stand is installed, the ladder stand is located in the area between the two brackets, and the technical problem that the brackets hinder installation of the ladder stand can be solved. Moreover, the rod piece III plays a role in supporting the rod piece I and the rod piece II, so that the bending moment of each rod piece connecting node is released, and meanwhile, the supporting force and the stability of the connecting assembly are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction engineering, and in particular relates to a connecting assembly for a ladder. Background Art

[0002] During the on-site installation of traditional steel structure columns, it is necessary to set up a ladder for installation as an operating platform to assist workers in welding the steel structure columns. For example, the prior art discloses a utility model patent named Steel Column Installation Ladder (Grant Announcement No.: CN 212985087U). In the prior art, ear plates are welded on the outer wall of the steel column, and the ladder is installed on the ear plates.

[0003] However, according to the structural characteristics of the building, corbels need to be welded on the sides of the round steel pipe columns. The corbels are used to connect with subsequent steel beams. The corbels on the round steel pipe columns limit the installation of the ladder. Utility Model Content

[0004] The utility model aims to solve the above-mentioned technical problems existing in the prior art and to provide a connecting assembly for a ladder, which can avoid the technical problem that the bracket hinders the installation of the ladder.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A connection assembly for a ladder, characterized in that it includes two ear plates at the same height, the two ear plates are distributed at 90° and welded to a round steel pipe column, and the ear plates and the corbels on the round steel pipe column are arranged correspondingly up and down. One of the ear plates is fixed with a rod member 1, and the other ear plate is fixed with a rod member 2. The angle between the central axis of the rod member 1 and the central axis of the rod member 2 is 90°. The rod member 1 and the rod member 2 are fixedly connected. The connection between the rod member 1 and the rod member 2 is fixed with a rod member 3, and the rod member 3 is obliquely fixed on the round steel pipe column. The rod member 1, the rod member 2 and the rod member 3 are arranged above the area between the two corbels. The rod member 1 and the rod member 2 are used to install the ladder. When the ladder is installed, the ladder is in the area between the two corbels, which can avoid the technical problem that the corbels hinder the installation of the ladder. Moreover, the rod member 3 supports the rod member 1 and the rod member 2, thereby realizing the release of the bending moment of each rod connection node, while increasing the supporting force and stability of the connection assembly to meet the installation of the ladder.

[0007] Furthermore, rod member 1 and rod member 2 are fixedly connected by a connecting member, and the connecting member is provided with two connecting heads, one of which is welded and fixed to rod member 1, the other connecting head is welded and fixed to rod member 2, and the connecting member is welded and fixed to rod member 3, so that rod member 1, rod member 2 and rod member 3 are connected to the same steel member, thereby improving the overall firmness.

[0008] Furthermore, both connecting heads are provided with mounting holes, the end of rod member one extends into the mounting hole of one of the connecting heads, and the end of rod member two extends into the mounting hole of the other connecting head, thereby improving the firmness of the connection between rod member one and the connecting member, and at the same time improving the firmness of the connection between rod member two and the connecting member.

[0009] Furthermore, a connecting plate is welded to the rod member 3, and the connecting plate is attached to the round steel pipe column and welded to the round steel pipe column, so that the rod member 3 is firmly fixed to the round steel pipe column.

[0010] Furthermore, the connecting plate is welded with a reinforcing plate one, and the reinforcing plate one pair is outsourced to the connecting plate and welded to the round steel pipe column, thereby increasing the force bearing capacity of the connecting plate and satisfying the welding operation of the rod three.

[0011] Furthermore, a U-shaped steel is welded to the bottom of the ear plate, and the U-shaped steel is welded to the round steel pipe column, so as to improve the force bearing capacity of the ear plate and meet the installation requirements of the rod member 1 and the rod member 2.

[0012] Furthermore, a reinforcing plate 2 is welded in the groove of the U-shaped steel to improve the strength of the U-shaped steel and prevent it from deforming.

[0013] Furthermore, both the rod member 1 and the rod member 2 are provided with a limiting member, and the limiting member includes two limiting plates. The two limiting plates limit the installation point of the ladder to improve the stability of the ladder after installation.

[0014] Furthermore, the ends of rod member 1 and rod member 2 are both provided with threaded hole 1, and the ear plate is provided with threaded hole 2. Bolts are screwed into threaded hole 1 and threaded hole 2, which can quickly connect rod member 1 and ear plate, and simultaneously quickly connect rod member 2 and ear plate.

[0015] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0016] The rod member 1, rod member 2 and rod member 3 of the utility model are arranged above the area between the two corbels. The rod member 1 and rod member 2 are used to install the ladder. After the ladder is installed, the ladder is in the area between the two corbels, which can avoid the technical problem that the corbels hinder the installation of the ladder. Moreover, the rod member 3 supports the rod member 1 and the rod member 2, thereby realizing the release of the bending moment of the connection nodes of each rod member, and at the same time increasing the support force and stability of the connection assembly to meet the installation requirements of the ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the structure of the utility model installed on a round steel pipe column;

[0019] Figure 2 for Figure 1 A top view of

[0020] Figure 3 It is a structural schematic diagram of the connecting member in the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the middle ear plate of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the U-shaped steel in the utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the connection between the middle ear plate and the U-shaped steel of the utility model;

[0024] Figure 7 It is a structural schematic diagram of the rod member 1 in the utility model;

[0025] Figure 8 It is a schematic structural diagram of the connection between rod member 1, rod member 2 and rod member 3 in the utility model.

[0026] In the figure, a-round steel pipe column; b-corbel; 1-ear plate; 2a-rod member 1; 2b-rod member 2; 3-rod member 3; 4-connector; 5-connector head; 6-mounting hole; 7-connecting plate; 8-U-shaped steel; 9-groove; 10-reinforcement plate 2; 11-limiting plate; 12-reinforcement plate 1; 13-bolt; 14-threaded hole 1; 15-threaded hole 2. DETAILED DESCRIPTION

[0027] like Figures 1 to 8 As shown, a connection assembly for a ladder of the utility model is installed on a round steel pipe column a.

[0028] The connection assembly for the ladder includes two ear plates 1 at the same height, the two ear plates 1 are distributed at 90 degrees, one ear plate 1 is arranged along the X-axis direction, and the other ear plate 1 is arranged along the Y-axis direction. The ear plates 1 are welded to the round steel pipe column a, and the ear plates 1 and the corbels b on the round steel pipe column a are arranged correspondingly up and down.

[0029] One of the ear plates 1 is fixed with a rod 2a, and the other ear plate 1 is fixed with a rod 2b. The fixing method is designed as follows: the ends of the rod 2a and the ends of the rod 2b are both provided with a threaded hole 14, and the ear plate 1 is provided with a threaded hole 25. Bolts 13 are screwed into the threaded holes 14 and 15, so that the rod 2a and the ear plate 1 can be quickly connected, and the rod 2b and the ear plate 1 can be quickly connected at the same time. The rod member 2a and the rod member 2b have the same structure, and the angle between the central axis of the rod member 2a and the central axis of the rod member 2b is 90°. The rod member 2a and the rod member 2b are fixedly connected by a connecting member 4. The connecting member 4 is provided with two connecting heads 5, and the two connecting heads 5 are both provided with mounting holes 6. The end of the rod member 2a extends into the mounting hole 6 of one of the connecting heads 5, and the connecting head 5 and the rod member 2a are welded and fixed; the end of the rod member 2b extends into the mounting hole 6 of the other connecting head 5, and the connecting head 5 and the rod member 2b are welded and fixed, so as to realize the fixed connection between the rod member 2a and the rod member 2b, improve the firmness of the connection between the rod member 2a and the connecting member 4, and at the same time improve the firmness of the connection between the rod member 2b and the connecting member 4.

[0030] The connecting member 4 and the inclined rod member 3 3 are welded and fixed, so that the rod member 1 2a, the rod member 2 2b and the rod member 3 3 are connected to the same steel member, thereby improving the overall firmness. The rod member 3 3 is welded with a connecting plate 7, which is attached to the round steel pipe column a and welded to the round steel pipe column a, so that the rod member 3 3 is firmly fixed to the round steel pipe column a. The connecting plate 7 is welded with a reinforcing plate 12, which is wrapped around the connecting plate 7 and welded to the round steel pipe column a, thereby increasing the force bearing capacity of the connecting plate 7 and satisfying the welding operation of the rod member 3 3.

[0031] Rod 1 2a, rod 2b and rod 3 3 are arranged above the area between the two corbels b. Rod 1 2a and rod 2 2b are used to install the ladder. After the ladder is installed, the ladder is in the area between the two corbels b, which can avoid the technical problem that the corbels b hinder the installation of the ladder. Moreover, rod 3 3 supports rod 1 2a and rod 2 2b, thereby releasing the bending moment of the connection nodes of each rod, and at the same time increasing the support force and stability of the connection assembly to meet the installation of the ladder.

[0032] A U-shaped steel 8 is welded to the bottom of the ear plate 1, and the U-shaped steel 8 is welded to the round steel column a to improve the force bearing capacity of the ear plate 1 and meet the installation requirements of the rod 1 2a and the rod 2 2b. A reinforcing plate 2 10 is welded in the groove 9 of the U-shaped steel 8 to improve the strength of the U-shaped steel 8 and prevent it from deformation.

[0033] Both rod 1 2a and rod 2 2b are provided with limit members, which include two limit plates 11. The installation points of the ladder and rod 1 2a are limited between the two limit plates 11. At the same time, the installation points of the ladder and rod 2 2b are limited between the two limit plates 11, thereby improving the stability of the ladder after installation.

[0034] The above are only specific embodiments of the utility model, but the technical features of the utility model are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the utility model to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the utility model.

Claims

1. A connection assembly for a ladder, characterized in that: It includes two ear plates at the same height, the two ear plates are distributed at 90 degrees and are welded on the round steel pipe column, and the ear plates and the corbels on the round steel pipe column are arranged correspondingly up and down; One of the ear plates is fixed with rod member 1, and the other ear plate is fixed with rod member 2. The angle between the central axis of rod member 1 and the central axis of rod member 2 is 90°. Rod member 1 and rod member 2 are fixedly connected. Rod member 3 is fixed at the connection between rod member 1 and rod member 2. Rod member 3 is obliquely fixed on the round steel pipe column. Rod member 1, rod member 2 and rod member 3 are arranged above the area between two corbels. Rod member 1 and rod member 2 are used to install the ladder.

2. A ladder connection assembly according to claim 1, characterized in that: The rod member 1 and the rod member 2 are fixedly connected by a connecting member, and the connecting member is provided with two connecting heads, one of which is welded and fixed to the rod member 1, the other of which is welded and fixed to the rod member 2, and the connecting member is welded and fixed to the rod member 3.

3. A ladder connection assembly according to claim 2, characterized in that: The two connectors are both provided with mounting holes, the end of the rod member 1 extends into the mounting hole of one of the connectors, and the end of the rod member 2 extends into the mounting hole of the other connector.

4. A ladder connection assembly according to claim 1, characterized in that: The rod member 3 is welded with a connecting plate, and the connecting plate is attached to the round steel pipe column and welded to the round steel pipe column.

5. A ladder connection assembly according to claim 4, characterized in that: The connecting plate is welded with a reinforcing plate 1, and the reinforcing plate 1 is wrapped around the connecting plate and welded to a round steel pipe column.

6. A ladder connection assembly according to claim 1, characterized in that: A U-shaped steel is welded to the bottom of the ear plate, and the U-shaped steel is welded to the round steel pipe column.

7. A ladder connection assembly according to claim 6, characterized in that: A second reinforcing plate is welded in the groove of the U-shaped steel.

8. A ladder connection assembly according to claim 1, characterized in that: The rod member 1 and the rod member 2 are both provided with a limiting member, and the limiting member includes two limiting plates, and the two limiting plates limit the installation point of the ladder.

9. A ladder connection assembly according to claim 1, characterized in that: The ends of the rod member 1 and the rod member 2 are both provided with a threaded hole 1, the ear plate is provided with a threaded hole 2, and bolts are screwed into the threaded hole 1 and the threaded hole 2.

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