Construction structure and method for quickly installing basement escalator under complex conditions

Abstract

The invention discloses a construction structure for quickly mounting a basement escalator under complex conditions, which comprises an underground space, a door-shaped fabricated bracket is fixed at the top of a concrete top plate, an electric hoist is arranged on one side of an underground shear wall, and the electric hoist is connected with a first chain penetrating through the door-shaped fabricated bracket and an escalator mounting hole; a pulley block is hoisted by the n-shaped assembly type support and connected with a second lock chain penetrating through an escalator installation hole, and a universal wheel sliding plate is arranged at the bottom of the escalator. The invention further discloses a construction method for rapidly installing the basement escalator under the complex condition. The construction method comprises the steps that 1, the n-shaped assembly type support is fixed through the cable rope; a universal wheel sliding plate is arranged at the bottom of the rear end of the escalator; 3, an electric hoist and a first chain are installed on the underground shear wall; 4, synchronously loosening the pulley block when the electric hoist pulls the escalator to advance; and S5, the escalator is installed in place. The problems that a basement lacks a crane car and the installation working face is narrow are solved, and the method can be widely applied to the field of underground construction.

Description

Technical Field

[0001] The invention relates to underground engineering, in particular to a construction structure and method for quickly installing a basement escalator under complex conditions. Background Art

[0002] With the continuous improvement of the domestic construction level, the shape of buildings and the number of underground structure layers are increasing, and the underground structure ancillary facilities are becoming more and more complex, so the installation of underground ancillary equipment has also increased the difficulty. Among them, escalators are commonly used ancillary facilities in basements. Traditional escalator installation is to directly hoist and install the escalator in place through lifting equipment. When the installation conditions of the basement escalator are complicated and the conditions for crane installation are not available, due to the limitation of the installation working surface, the installation of the steel structure glass curtain wall at the escalator entrance and exit is often completed first. At this time, the basement top plate as the installation working surface cannot withstand the crane operation, and the height difference between the basement floor plate and the escalator pit is several meters or even dozens of meters. Not only is the relative height difference large, the escalator installation elevation angle is large, and the escalator is heavy, resulting in a sharp increase in the difficulty of installation. How to smoothly install escalators in a small space without a crane and ensure economical and efficient operation is an urgent problem to be solved in the industry. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned background technology and to provide a construction structure and method for quickly installing basement escalators under complex conditions, so that it can be applied to the installation of escalators in multi-story underground spaces. This solves the problems of lack of cranes in basements, narrow installation working surfaces, high risk factors, and unguaranteed construction periods, thereby improving the efficiency of escalator installation while ensuring the safety of installation workers.

[0004] The present invention provides a construction structure for quickly installing a basement escalator under complex conditions, comprising an underground space composed of an underground shear wall, a ground layer supported on the underground shear wall, a concrete top plate supported on an underground concrete column, and a steel structure frame curtain wall supported on the ground layer, wherein the underground shear wall and the concrete top plate are arranged opposite to each other, the concrete top plate is located at the entrance of the steel structure frame curtain wall, a "door"-shaped assembled bracket is fixed on the top of the concrete top plate, an electric hoist is provided on the side of the underground shear wall closest to the "door"-shaped assembled bracket facing the "door"-shaped assembled bracket, the electric hoist is connected to a first chain passing through a front end mounting hole of the escalator, the first chain passes through a door frame of the "door"-shaped assembled bracket, a pulley block is hoisted on the top of the "door"-shaped assembled bracket, the pulley block is connected to a second chain passing through the mounting hole of the escalator, and a universal wheel skateboard is provided at the bottom of the escalator.

[0005] In the above technical solution, the underground shear wall is provided with embedded parts for connecting the electric hoist, the inner wall of the steel structure frame curtain wall and the ground layer at the entrance of the steel structure frame curtain wall are respectively provided with embedded parts, and the embedded parts of the inner wall of the steel structure frame curtain wall and the ground layer are respectively connected to the two sides of the top of the "door" shaped assembled bracket through wind ropes to improve the stability of the "door" shaped assembled bracket.

[0006] In the above technical solution, a plurality of rolling circular tubes are further provided at the bottom of the body of the escalator.

[0007] In the above technical solution, the "door" shaped assembled bracket has two "U" shaped grooves fixed on the top of the concrete top plate, and a base is provided on the top surface of each "U" shaped groove, and a column is provided on the top of each base. The tops of the two columns are provided with main beams to form a "door" shaped structure, and ear plates are symmetrically provided on the top of each column. The two symmetrical ear plates are respectively connected to the embedded parts on the inner wall of the steel structure frame curtain wall and the embedded parts on the ground layer of the entrance of the steel structure frame curtain wall through wind ropes, and the middle part of each column is connected to the two ends of the corresponding "U" shaped groove through symmetrically arranged upper support rods.

[0008] In the above technical solution, the main cross beam is connected to the columns at both ends through oblique support rods respectively.

[0009] In the above technical solution, the axial direction of the main crossbeam is perpendicular to the moving direction of the escalator, and the axial direction of the "U"-shaped groove is perpendicular to the axial direction of the main crossbeam.

[0010] In the above technical solution, a support column fixedly connected to the front end of the escalator is provided on the ground of the underground space.

[0011] The present invention also provides a construction method for quickly installing a basement escalator under complex conditions, comprising the following steps: S1, passing each cable wind rope through each ear plate respectively, and connecting the cable wind rope to the inner wall of the steel structure frame curtain wall and the ground layer at the entrance of the steel structure frame curtain wall respectively to fix a "door" shaped assembled bracket; S2, placing a universal wheel skateboard at the bottom of the rear end of the escalator; S3, installing an electric hoist on the side of the underground shear wall facing the "door" shaped assembled bracket, and a first chain passes through the mounting hole of the escalator and is connected to the electric hoist; S4, the electric hoist drags the escalator through the "door" shaped assembled bracket to the height of the concrete top plate, and a pulley block is hoisted on the top of the "door" shaped assembled bracket, and a second chain passes through the mounting hole of the escalator and is connected to the pulley block. When the electric hoist pulls the escalator forward, the pulley block is simultaneously released to delay and control the falling speed of the escalator; S5, slowly placing the front end of the escalator on the support column on the ground of the underground space, installing the escalator in place, and firmly fixing the support column and the escalator to complete the escalator installation.

[0012] In the above technical scheme, it also includes step S0. Before installing the escalator, the two "U"-shaped grooves are fixed to the top of the concrete top plate by expansion bolts respectively, the main beam, column and base are installed in sequence, and then the inclined support rod and the upper support rod are installed, and then fixed on the "U"-shaped groove to form a "door"-shaped assembled bracket.

[0013] In the above technical solution, in step S1, before the wind rope is passed through the ear plate, embedded parts are respectively buried in the inner wall of the steel structure frame curtain wall and the ground layer at the entrance of the steel structure frame curtain wall; after the wind rope is passed through the ear plate, the wind rope is respectively connected to the embedded parts of the inner wall of the steel structure frame curtain wall and the embedded parts of the ground layer at the entrance of the steel structure frame curtain wall; in step S3, before installing the electric hoist, embedded parts are buried on the side of the underground shear wall facing the "door"-shaped assembled bracket.

[0014] The construction structure and method for quickly installing a basement escalator under complex conditions of the present invention have the following beneficial effects:

[0015] 1. The present invention realizes safe and stable installation of the escalator by combining the auxiliary support function of the "door"-shaped assembled bracket, the traction function of the electric hoist, and the slow release of the escalator's gravity with the help of a pulley block.

[0016] Second, the operation of the present invention relies on the existing working environment and has little impact on the surrounding environment. It can be installed smoothly at the designated installation point, overcoming the adverse effects of narrow operating surface, limited working space, and complex environment, and effectively solving the installation problems caused by construction site restrictions.

[0017] 3. Faced with installation environments with high heights and steep slopes, the present invention utilizes a pulley group landing device on a "door"-shaped assembled bracket to accurately control the speed and position of the escalator falling from the slope, thereby ensuring the installation accuracy and efficiency of the escalator installation process.

[0018] Fourth, the auxiliary materials such as the "door" shaped assembled bracket, pulley block and embedded parts used in the present invention can be reused, reducing resource waste. At the same time, all assembly work is completed manually, which not only reduces the dependence on specific equipment, but also solves the problem of difficulty in reinforcement due to the lack of suitable force points, further improving the flexibility and efficiency of construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the construction structure of the present invention for quickly installing a basement escalator under complex conditions when starting to pull the escalator;

[0020] Figure 2 It is a front view of the construction structure of the present invention for quickly installing the basement escalator under complex conditions when the escalator enters the underground space;

[0021] Figure 3 for Figure 2 A-direction schematic diagram;

[0022] Figure 4 It is a structural front view of a "door" shaped assembled bracket in the construction structure for quickly installing a basement escalator under complex conditions of the present invention;

[0023] Figure 5 It is a structural side view of a "door" shaped assembled bracket in the construction structure for quickly installing a basement escalator under complex conditions of the present invention;

[0024] Figure 6 It is a schematic diagram of the flow chart of the construction method for quickly installing a basement escalator under complex conditions of the present invention;

[0025] Figure 7 It is a schematic diagram of the construction structure for quickly installing a basement escalator under complex conditions of the present invention when the escalator installation is completed. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments, but the embodiments should not be construed as limiting the present invention.

[0027] The surrounding terrain of the basement escalator 20 is complex and cannot be installed by crane. The traditional pile installation method cannot meet the requirements of crane lifting and hoisting because the design load of the basement top plate cannot meet the requirements of crane lifting and hoisting, and manpower cannot be reasonably utilized. Hereby, a construction plan for quickly installing the basement escalator under complex conditions is designed;

[0028] The idea of ​​the present invention is to first assemble a "door" shaped assembled bracket 19, fix the "door" shaped assembled bracket 19 with a cable wind rope 10, and then install the embedded parts 9 on the underground shear wall 15, the steel structure frame curtain wall 17 and its entrance. The electric hoist 11 is installed at the front end of the escalator 20 to pull the escalator 20, and the rolling circular tube 7 and the universal wheel skateboard 6 are respectively arranged at the bottom of the escalator 20 fuselage. When the escalator 20 is dragged to the slope, the pulley block 12 is installed on the "door" shaped assembled bracket 19 to pull the bottom of the escalator 20. The electric hoist 11 and the pulley block 12 act on the escalator 20 in two directions, one positive and one negative, to slowly lower it. Finally, the escalator 20 is aligned with the support column 18 and installed and fixed in place.

[0029] The construction structure for quickly installing a basement escalator under complex conditions of the present invention involves the use of a "door"-shaped assembled bracket 19, an electric hoist 11, a pulley block 12 and embedded parts 9 in the space.

[0030] See also Figures 1 to 3The construction structure for quickly installing a basement escalator under complex conditions of the present invention comprises an underground space composed of an underground shear wall 15, a ground layer 14 supported on the underground shear wall 15, a concrete top plate 16 supported on an underground concrete column, and a steel structure frame curtain wall 17 supported on the ground layer 14. The underground shear wall 15 is arranged opposite to the concrete top plate 16. The concrete top plate 16 is located at the entrance of the steel structure frame curtain wall 17. A "door"-shaped assembled bracket 19 is fixed on the top of the concrete top plate 16. In one or more embodiments, the inner wall of the steel structure frame curtain wall 17 and the ground layer 14 at the entrance of the steel structure frame curtain wall 17 are respectively provided with embedded parts 9. The embedded parts 9 of the inner wall of the steel structure frame curtain wall 17 and the ground layer 14 are respectively connected to the two sides of the top of the "door"-shaped assembled bracket 19 through a cable wind rope 10. Improve the stability of the "door" shaped assembled bracket 19; an electric hoist 11 is provided on the side of the underground shear wall 15 closest to the "door" shaped assembled bracket 19 facing the "door" shaped assembled bracket 19. In one or more embodiments, the underground shear wall 15 is provided with an embedded part 9 connected to the electric hoist 11, and the electric hoist 11 is connected to a first chain passing through the front end mounting hole of the escalator 20, and the first chain passes through the door frame of the "door" shaped assembled bracket 19. A pulley block 12 is hoisted on the top of the "door" shaped assembled bracket 19, and the pulley block 12 is connected to a second chain passing through the mounting hole of the escalator 20. A universal wheel skateboard 6 is provided at the bottom of the escalator 20. In one or more embodiments, a plurality of rolling circular tubes 7 are also provided at the bottom of the fuselage of the escalator 20; a support column 18 fixedly connected to the front end of the escalator 20 is provided on the ground of the underground space.

[0031] See also Figures 4 to 5 In one or more embodiments, the "door" shaped assembled bracket 19 has two "U" shaped grooves fixed on the top of the concrete top plate 16, and a base 13 is provided on the top surface of each "U" shaped groove, and a column 2 is provided on the top of each base 13. The top of the two columns 2 is provided with a main beam 1 to form a "door" shaped structure. In a further embodiment, ear plates 5 are symmetrically provided on the top of each column 2, and the two symmetrical ear plates 5 are respectively connected to the embedded parts 9 on the inner wall of the steel structure frame curtain wall 17 and the embedded parts 9 on the entrance ground layer 14 of the steel structure frame curtain wall 17 through a cable wind rope 10, and the middle part of each column 2 is connected to the corresponding "U" shaped groove at both ends through symmetrically arranged upper support rods 4; in a further embodiment, the main beam 1 is connected to the columns 2 at both ends through oblique support rods 3; in a further embodiment, the axial direction of the main beam 1 is perpendicular to the moving direction of the escalator 20, and the axial direction of the "U" shaped groove is perpendicular to the axial direction of the main beam 1.

[0032] See also Figure 6The construction method for quickly installing a basement escalator under complex conditions of the present invention comprises the following steps:

[0033] S1. Before installing the escalator, assemble the main beam 1, the column 2 and the base 13 to assemble the "door" shaped assembled bracket 19, then install the upper support rod 4 and the lower support rod 3 on the door frame, and fix the base 13 and the bottom of the "U" shaped groove to the concrete top plate 16 with expansion bolts 8, see Figures 4 to 5 ;

[0034] See also Figures 1 to 3 S2, uniformly install the embedded parts 9, which are respectively installed on the inner wall of the steel structure frame curtain wall 17, the ground layer 14 at the entrance of the steel structure frame curtain wall 17, and the underground shear wall 15, and the "door" shaped assembled bracket 19 is fixed with a cable wind rope 10, one end of the cable wind rope 10 is connected to the ear plate 5, and the other end of the cable wind rope 10 is respectively connected to the embedded parts 9 on the inner wall of the steel structure frame curtain wall 17 and the embedded parts 9 on the ground layer 14 at the entrance of the steel structure frame curtain wall 17, which are used to fix the "door" shaped assembled bracket 19 and the subsequent installation;

[0035] S3, installing the rolling tube 7 and the universal wheel skateboard 6 at the bottom of the escalator 20 for auxiliary towing movement;

[0036] S4, installing the electric hoist 11 on the embedded part 9 on the underground shear wall 15, and the first chain passes through the installation hole of the escalator 20 and is connected to the electric hoist 11 to tow the escalator 20 forward;

[0037] S5, the electric hoist 11 drags the escalator 20 through the "door" shaped assembled bracket 19 to the height of the concrete top plate 16, and the pulley block 12 is hoisted on the top of the "door" shaped assembled bracket 19. The pulley block 12 is fixed on the main beam 1, and the second chain passes through the installation hole of the escalator 20 and is connected to the pulley block 12. The pulley block 12 is used to delay and control the descent speed of the escalator 20. The electric hoist 11 drags forward while simultaneously loosening the pulley block 12 to delay and control the descent speed of the escalator 20;

[0038] See also Figure 7 S6. Slowly place the front end of the escalator 20 on the support column 18. The escalator 20 is installed in place. The support column 18 and the escalator 20 are firmly fixed to complete the installation of the escalator 20.

[0039] The present invention can solve the problem that the escalator 20 cannot be installed by a crane in a cramped space. By manually installing the "door" shaped assembled bracket 19, the escalator 20 can be installed efficiently and smoothly in a narrow underground space.

[0040] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

[0041] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

Claims

1. A construction structure for quickly installing a basement escalator under complex conditions, comprising an underground space consisting of an underground shear wall (15), a ground layer (14) supported on the underground shear wall (15), a concrete top plate (16) supported on underground concrete columns, and a steel structure frame curtain wall (17) supported on the ground layer (14), wherein the underground shear wall (15) and the concrete top plate (16) are arranged opposite to each other, and the concrete top plate (16) is located at the entrance of the steel structure frame curtain wall (17), and characterized in that: A "door" shaped assembled bracket (19) is fixed on the top of the concrete top plate (16); an electric hoist (11) is provided on the side of the underground shear wall (15) closest to the "door" shaped assembled bracket (19) facing the "door" shaped assembled bracket (19); the electric hoist (11) is connected to a first chain passing through a front end mounting hole of an escalator (20); the first chain passes through a door frame of the "door" shaped assembled bracket (19); a pulley block (12) is suspended on the top of the "door" shaped assembled bracket (19); the pulley block (12) is connected to a second chain passing through a mounting hole of the escalator (20); and a universal wheel slide plate (6) is provided at the bottom of the escalator (20).

2. The construction structure for quickly installing a basement escalator under complex conditions according to claim 1 is characterized by: The underground shear wall (15) is provided with an embedded part (9) connected to the electric hoist (11), the inner wall of the steel structure frame curtain wall (17) and the ground layer (14) at the entrance of the steel structure frame curtain wall (17) are respectively provided with embedded parts (9), and the embedded parts (9) of the inner wall of the steel structure frame curtain wall (17) and the ground layer (14) are respectively connected to the top two sides of the "door" shaped assembled bracket (19) through wind ropes (10) to improve the stability of the "door" shaped assembled bracket (19).

3. The construction structure for quickly installing a basement escalator under complex conditions according to claim 2 is characterized by: A plurality of rolling circular tubes (7) are also provided at the bottom of the body of the escalator (20).

4. The construction structure for quickly installing a basement escalator under complex conditions according to claim 3 is characterized by: The "door" shaped assembled bracket (19) has two "U" shaped grooves fixed on the top of the concrete top plate (16), the top surface of each "U" shaped groove is provided with a base (13), the top of each base (13) is provided with a column (2), the top of the two columns (2) is provided with a main cross beam (1) to form a "door" shaped structure, the top of each column (2) is symmetrically provided with ear plates (5), the two symmetrical ear plates (5) are respectively connected to the embedded parts (9) on the inner wall of the steel structure frame curtain wall (17) and the embedded parts (9) on the entrance ground layer (14) of the steel structure frame curtain wall (17) through wind ropes (10), and the middle part of each column (2) is connected to the two ends of the corresponding "U" shaped groove through symmetrically arranged upper support rods (4).

5. The construction structure for quickly installing a basement escalator under complex conditions according to claim 4 is characterized in that: The main crossbeam (1) is connected to the two end columns (2) respectively via oblique support rods (3).

6. The construction structure for quickly installing a basement escalator under complex conditions according to claim 5 is characterized by: The axial direction of the main crossbeam (1) is perpendicular to the moving direction of the escalator (20), and the axial direction of the "U"-shaped groove is perpendicular to the axial direction of the main crossbeam (1).

7. The construction structure for quickly installing a basement escalator under complex conditions according to claim 6 is characterized by: The ground of the underground space is provided with a support column (18) fixedly connected to the front end of the escalator (20).

8. A construction method for quickly installing a basement escalator under complex conditions, characterized in that: The steps include: S1, passing each wind rope (10) through each ear plate (5), connecting the wind rope (10) to the inner wall of the steel structure frame curtain wall (17) and the ground layer (14) at the entrance of the steel structure frame curtain wall (17) to fix the "door" shaped assembled bracket (19); S2, placing the universal wheel slide plate (6) at the bottom of the rear end of the escalator (20); S3, installing an electric hoist (11) on the side of the underground shear wall (15) facing the "door" shaped assembled bracket (19), and the first chain passes through the installation hole of the escalator (20) and is connected to the electric hoist (11); S4, the electric hoist (11) drags the escalator (20) through the "door" shaped assembled bracket (19) to the height of the concrete top plate (16), and the pulley block (12) is hoisted on the top of the "door" shaped assembled bracket (19). The second chain passes through the installation hole of the escalator (20) and is connected to the pulley block (12). When the electric hoist (11) pulls the escalator (20) forward, the pulley block (12) is simultaneously released to delay and control the falling speed of the escalator (20); S5. Slowly place the front end of the escalator (20) on the support column (18) on the ground of the underground space, install the escalator (20) in place, and securely fix the support column (18) and the escalator (20) to complete the installation of the escalator (20).

9. The construction method for quickly installing a basement escalator under complex conditions according to claim 8 is characterized by: The method also includes step S0, before installing the escalator (20), fixing two "U"-shaped grooves to the top of the concrete top plate (16) by expansion bolts (8), installing the main crossbeam (1), the column (2) and the base (13) in sequence, then installing the oblique support rod (3) and the upper support rod (4), and then fixing them to the "U"-shaped groove to form a "door"-shaped assembled bracket (19).

10. The construction method for quickly installing a basement escalator under complex conditions according to claim 9, characterized in that: In the step S1, before the wind rope (10) passes through the ear plate (5), embedded parts (9) are respectively buried in the inner wall of the steel structure frame curtain wall (17) and the ground layer (14) at the entrance of the steel structure frame curtain wall (17); after the wind rope (10) passes through the ear plate (5), the wind rope (10) is respectively connected to the embedded parts (9) on the inner wall of the steel structure frame curtain wall (17) and the embedded parts (9) on the ground layer (14) at the entrance of the steel structure frame curtain wall (17); In the step S3, before installing the electric hoist (11), an embedded part (9) is buried on one side of the underground shear wall (15) facing the "door" shaped assembled bracket (19).

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