Prefabricated station side wall assembling alignment device and construction method thereof

Abstract

The application discloses an assembled station side wall assembling and aligning device and a construction method thereof, and comprises a movable bearing platform, a supporting arm and a leaning plate. The installation angle and position of the side wall are positioned by physical abutting of the leaning plate. Four-way adjustment of the leaning plate is realized through first and second driving structures. On the other hand, the movable bearing platform is flexible and movable. The end surface of the prefabricated bottom plate that has been assembled is used as a reference surface. The side wall is abutted on the upper part of the leaning plate to align the end surface of the prefabricated bottom plate. The perpendicularity and position of the side wall can be adjusted based on the gap between the leaning plate and the side wall to ensure the installation precision of the side wall. The application solves the problem that the side wall assembling position correction operation is difficult in the case that the prefabricated assembled subway station has a small working space.

Description

Technical Field

[0001] This invention relates to the field of subway station technology, specifically to a prefabricated station sidewall assembly and alignment device and its construction method. Background Technology

[0002] Subway stations have high technical parameters and construction requirements for prefabricated assembly construction, especially in underground stations where construction space is severely limited. Improving the accuracy of component assembly while ensuring quality and assembly speed is also a key point of prefabricated assembly construction.

[0003] Currently, some prefabricated subway station projects lack suitable side wall assembly alignment devices. During the hoisting and assembly of the side walls, the lateral tilt verticality and assembly accuracy cannot be guaranteed, resulting in significant cumulative errors between the two side panels and making precise splicing difficult. Furthermore, existing prefabricated component assembly alignment devices suffer from limitations in measurement accuracy under complex environments such as confined working spaces. For example, the space between the assembly trolley and the side of the foundation pit is narrow. If the verticality of the side wall cannot be guaranteed, it is prone to collision with the assembly trolley during hoisting and descent, potentially damaging the positioning and correction devices. Position correction during side wall assembly becomes difficult, making it hard to guarantee assembly accuracy. As the number of side walls assembled increases, the misalignment of assembly positions and the cumulative error of assembly joints increase, delaying construction progress and reducing construction quality. Summary of the Invention

[0004] To overcome the shortcomings of existing technologies, a prefabricated station sidewall assembly alignment device and its construction method are provided to solve the problem of difficulty in correcting the position of the sidewall assembly in prefabricated subway stations when the working space is limited.

[0005] To achieve the above objectives, a prefabricated station sidewall assembly and alignment device is provided, comprising:

[0006] The movable platform has a guide groove formed at its bottom. The prefabricated station includes a precast base plate and side walls. The opposite ends of the precast base plate are respectively formed with insertion flanges. The bottom of the side walls is formed with a socket groove for the insertion flanges to slide in. The insertion flanges slide in the guide groove. The movable platform has a longitudinal sliding groove, which is arranged in the same direction as the guide groove.

[0007] A support arm, one end of which is slidably disposed in the longitudinal groove, and the other end of which extends to the outer side of the end of the precast base plate; the movable support platform is equipped with a first drive structure for driving the support arm.

[0008] A backing plate is arranged along a predetermined direction of the side wall. The lower part of the backing plate is attached to one end face of the precast base plate. The backing plate is connected to an adapter. A transverse sliding groove is provided at the other end of the support arm. The transverse sliding groove is arranged along the width direction of the longitudinal sliding groove. The adapter slides in the transverse sliding groove. The backing plate is equipped with a second driving structure for driving the adapter. When installing the side wall, the side wall is hoisted and lowered so that the outer side of the side wall is attached to the upper part of the backing plate, so that the side wall is arranged along the predetermined direction.

[0009] Furthermore, the first driving structure includes:

[0010] The first motor is installed on the movable support platform;

[0011] The gear is coaxially connected to the output shaft of the first motor;

[0012] The rack is movably connected to the support arm via a first slider, on which the rack is formed. The rack is arranged along the length direction of the longitudinal groove, and the gear meshes with the rack.

[0013] Furthermore, the bottom of the movable platform is equipped with multiple rollers.

[0014] Furthermore, the second driving structure includes:

[0015] The second slider is connected to the adapter and slides in the transverse groove.

[0016] A worm gear is rotatably mounted on the back plate, and the adapter has a threaded hole along the length of the transverse slide groove. One end of the worm gear is screwed into the threaded hole.

[0017] A second motor has a worm gear coaxially connected to its output shaft, and the worm gear meshes with the worm.

[0018] Furthermore, at least two first conductive patches are attached to the upper part of the backrest, and at least two second conductive patches are attached to the outer side of the sidewall. The positions of the at least two second conductive patches correspond one-to-one with the positions of the at least two first conductive patches. The at least two second conductive patches are electrically connected by wires, and the at least two first conductive patches are connected to a power source and an indicator light by wires. After the outer side of the sidewall is attached to the upper part of the backrest, the at least two first conductive patches are attached to the at least two second conductive patches respectively. The first conductive patches, the second conductive patches, the power source, and the indicator light are connected in series to form a circuit, so that the indicator light is lit to indicate that the sidewall is installed in place.

[0019] This invention provides a construction method for a prefabricated station sidewall assembly and alignment device, comprising the following steps:

[0020] The movable support platform is placed on the prefabricated base plate of the prefabricated station, so that the insertion flange of the prefabricated base plate slides in the guide groove of the movable support platform.

[0021] The position of the support arm on the movable support platform is adjusted by the first drive structure, and the position of the adapter on the support arm is adjusted by the second drive structure so that the lower part of the back plate is attached to one end face of the precast base plate, so that a limiting space is formed between the upper part of the back plate and the precast base plate.

[0022] The side wall is hoisted and lowered so that the outer side of the side wall fits against the upper part of the backing plate, so that the socket groove at the bottom of the side wall is fitted into the insertion flange of the precast base plate, thereby setting the side wall along a preset direction.

[0023] The beneficial effects of this invention are as follows: the prefabricated station sidewall assembly and alignment device of this invention includes a movable platform, a support arm, and a backing plate. The installation angle and position of the sidewall are positioned by the physical contact of the backing plate. The four-way adjustment of the backing plate is achieved through the first drive structure and the second drive structure. On the other hand, the movable platform is flexible and movable as a whole. The end face of the prefabricated base plate that has been assembled is used as the reference plane. The sidewall is placed against the upper part of the backing plate to align with the end face of the prefabricated base plate. The verticality and position of the sidewall can be corrected and adjusted based on the gap between the backing plate and the sidewall to ensure the installation accuracy of the sidewall. Attached Figure Description

[0024] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0025] Figure 1 This is a schematic diagram of the prefabricated station sidewall assembly and alignment device according to an embodiment of the present invention.

[0026] Figure 2 This is a schematic diagram of the structure of the movable support platform according to an embodiment of the present invention.

[0027] Figure 3 This is a schematic diagram of the support arm according to an embodiment of the present invention.

[0028] Figure 4 This is a schematic diagram of the backing plate according to an embodiment of the present invention.

[0029] Figure 5 This is a schematic diagram of the second driving structure according to an embodiment of the present invention.

[0030] Figure 6This is a schematic diagram of the electrical connection between the first conductive patch and the second conductive patch according to an embodiment of the present invention.

[0031] Figure 7 This is a diagram showing the usage state of the prefabricated station sidewall assembly and alignment device according to an embodiment of the present invention. Detailed Implementation

[0032] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings.

[0033] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0034] Reference Figures 1 to 7 As shown, the present invention provides a prefabricated station sidewall assembly and alignment device, including: a movable platform 1, a support arm 2, and a backing plate 3.

[0035] In this embodiment, see Figure 7 The prefabricated station shown includes a precast base slab 5 and side walls 6. Each precast base slab has interlocking flanges 51 formed at opposite ends. Specifically, the opposite ends of the precast base slab 5 extend upwards to form interlocking flanges 51. The side walls 6 have recessed insertion grooves at their bottom. After installation, the side walls rest on both ends of the precast base slabs. The recessed insertion grooves of the side walls fit over the interlocking flanges 51 of the precast base slabs.

[0036] Among them, see Figure 2 The width of the movable foundation is adapted to the thickness of the bottom of the side wall. The movable foundation 1 is set along the width direction of the precast base slab. The cross-section of the movable foundation is trapezoidal. Specifically, the width of the movable foundation gradually decreases from bottom to top.

[0037] The bottom of the movable support 1 has a guide groove. Rollers 11 are installed on opposite sides of the movable support. The guide groove is located between the rollers on opposite sides of the movable support. Multiple rollers 11 are installed on the bottom of the movable support 1. Specifically, multiple rollers are installed on each side of the movable support. The rollers travel on opposite ends of the base plate.

[0038] The insertion flange 51 of the precast base plate 5 slides in the guide groove at the bottom of the movable support platform 1. The movable support platform 1 has a longitudinal sliding groove. The longitudinal sliding groove and the guide groove are arranged in the same direction. In this embodiment, the longitudinal sliding groove is arranged along the length direction of the movable support platform.

[0039] One end of the support arm 2 is slidably positioned in the longitudinal groove. The other end of the support arm 2 extends to the outer side of the end of the base plate 5. The movable support platform 1 is equipped with a first drive structure. The first drive structure is used to drive the support arm 2 to move along the length of the longitudinal groove.

[0040] The backing plate 3 is positioned along a predetermined direction of the side wall 6. In this embodiment, the backing plate 3 is I-shaped. The lower part of the backing plate 3 is attached to one end face of the base plate 5. The upper part of the backing plate is used to attach to the lower part of the outer side surface of the side wall. When the lower part of the outer side surface of the side wall is completely and tightly attached to the upper part of the backing plate, it is determined that the verticality of the side wall conforms to the predetermined angle.

[0041] Specifically, the backing plate 3 is connected to an adapter 32. A transverse sliding groove is provided at the other end of the support arm 2. The transverse sliding groove is arranged along the width direction of the longitudinal sliding groove. The adapter 32 slides within the transverse sliding groove. A second drive structure 31 is mounted on the backing plate 3. The second drive structure 31 is used to drive the adapter 32 to move along the length direction of the transverse sliding groove.

[0042] When installing the side wall 6, hoist and lower the side wall 6 so that the outer side of the side wall 6 fits against the upper part of the backing plate 3, so that the side wall 6 is set in a preset direction.

[0043] In a preferred embodiment, the first drive structure includes: a first motor 21, a gear 22, and a rack 23.

[0044] A first motor 21 is mounted on a movable support 1. A gear 22 is coaxially connected to the output shaft of the first motor 21. A first slider 24 is movably connected to the support arm 2. A rack 23 is formed on the first slider 24. The rack 23 is arranged along the length of the longitudinal groove. The gear 22 meshes with the rack 23.

[0045] In a preferred embodiment, the second drive structure 31 includes: a second slider 311, a worm gear 312, and a second motor 313.

[0046] The second slider 311 is connected to the adapter 32. The second slider 311 slides in the transverse groove. The worm 312 is rotatably mounted on the back plate 3. The adapter 32 has a threaded hole along the length of the transverse groove. One end of the screw is screwed into the threaded hole. The output shaft of the second motor 313 is coaxially connected to a worm gear. The worm gear meshes with the worm 312.

[0047] In this embodiment, to visually demonstrate that the side wall is installed correctly, at least two first conductive patches 33 are attached to the upper part of the backing plate 3. At least two second conductive patches 4 are attached to the outer side of the side wall 6. The at least two second conductive patches 4 are electrically connected by wires. The at least two first conductive patches 33 are connected to a power source and an indicator light by wires. After the outer side of the side wall 6 is attached to the upper part of the backing plate 3, the at least two first conductive patches are respectively attached to the at least two second conductive patches. The first conductive patches, the second conductive patches, the power source, and the indicator light are connected in series to form a circuit, so that the indicator light is lit to indicate that the side wall 6 is installed correctly.

[0048] Specifically, in this embodiment, there are four first conductive patches. The four first conductive patches are arranged in a matrix. Four second conductive patches are attached to the outer side of each sidewall 6. The positions of the four second conductive patches correspond one-to-one with the positions of the four first conductive patches.

[0049] See Figure 6 As shown in the diagram, the two first conductive patches on the left are connected in series with a power supply and an indicator light via a wire. When these two first conductive patches form a circuit, the indicator light illuminates. The two first conductive patches on the right are electrically connected via a wire. Looking at the four second conductive patches on the corresponding positions on the side wall, the upper two second conductive patches are electrically connected via a wire, and the lower two second conductive patches are also electrically connected via a wire. When the side wall is hoisted and installed in place with its verticality meeting the designed preset angle, the four second conductive patches on the side wall adhere to the four first conductive patches on the backing plate, thus creating a conductive circuit consisting of the four first conductive patches, the four second conductive patches, the indicator light, and the power supply, causing the indicator light to illuminate.

[0050] If the indicator light does not illuminate after the side wall is hoisted and installed, adjust the position of the side wall by observing the gap between the outer side of the side wall and the upper part of the backing plate, so that the side wall is installed in place and meets the preset angle of the design.

[0051] This invention provides a construction method for a prefabricated station sidewall assembly and alignment device, comprising the following steps:

[0052] S1. The movable platform is placed on the prefabricated base plate of the prefabricated station, so that the insertion flange of the prefabricated base plate slides in the guide groove of the movable platform.

[0053] S2. The position of the support arm on the movable platform is adjusted by the first drive structure, and the position of the adapter on the support arm is adjusted by the second drive structure so that the lower part of the back plate is attached to one end face of the precast base plate, so that the upper part of the back plate and the precast base plate form a limiting space.

[0054] S3. Hoist and lower the side wall so that the outer side of the side wall fits against the upper part of the backing plate, so that the socket groove at the bottom of the side wall fits into the insertion flange of the precast base plate, thereby setting the side wall along the preset direction.

[0055] During the hoisting and lowering of the side wall, the indicator lights are observed to determine whether the side wall is installed in place and meets the preset angle of the design.

[0056] When the indicator light is not on, adjust the position of the side wall by observing the gap between the outer side of the side wall and the upper part of the backing plate, so that the side wall is installed in place and meets the preset angle of the design.

[0057] The prefabricated station sidewall assembly and alignment device of the present invention includes a movable platform, a support arm, and a backing plate. The installation angle and position of the sidewall are positioned by the physical contact of the backing plate. The backing plate can be adjusted in four directions through a first drive structure and a second drive structure. On the other hand, the movable platform can move flexibly and freely. The end face of the prefabricated base plate that has been assembled is used as a reference plane. The sidewall is placed against the upper part of the backing plate to align with the end face of the prefabricated base plate. The verticality and position of the sidewall can be corrected and adjusted based on the gap between the backing plate and the sidewall to ensure the installation accuracy of the sidewall.

[0058] The prefabricated station sidewall assembly and alignment device of the present invention is small in size, low in cost, high in assembly and alignment accuracy, convenient in construction, and easy to operate.

[0059] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in this application is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A prefabricated station sidewall assembly and alignment device, characterized in that, include: The movable platform has a guide groove formed at its bottom. The prefabricated station includes a precast base plate and side walls. The opposite ends of the precast base plate are respectively formed with insertion flanges. The bottom of the side walls is formed with a socket groove for the insertion flanges to slide in. The insertion flanges slide in the guide groove. The movable platform has a longitudinal sliding groove, which is arranged in the same direction as the guide groove. A support arm, one end of which is slidably disposed in the longitudinal groove, and the other end of which extends to the outer side of the end of the precast base plate; the movable support platform is equipped with a first drive structure for driving the support arm. A backing plate is arranged along a predetermined direction of the side wall. The lower part of the backing plate is attached to one end face of the precast base plate. The backing plate is connected to an adapter. A transverse sliding groove is provided at the other end of the support arm. The transverse sliding groove is arranged along the width direction of the longitudinal sliding groove. The adapter slides in the transverse sliding groove. The backing plate is equipped with a second driving structure for driving the adapter. When installing the side wall, the side wall is hoisted and lowered so that the outer side of the side wall is attached to the upper part of the backing plate, so that the side wall is arranged along the predetermined direction.

2. The prefabricated station sidewall assembly and alignment device according to claim 1, characterized in that, The first driving structure includes: The first motor is installed on the movable support platform; The gear is coaxially connected to the output shaft of the first motor; The rack is movably connected to the support arm via a first slider, on which the rack is formed. The rack is arranged along the length direction of the longitudinal groove, and the gear meshes with the rack.

3. The prefabricated station sidewall assembly and alignment device according to claim 1, characterized in that, The bottom of the movable platform is equipped with multiple rollers.

4. The prefabricated station sidewall assembly and alignment device according to claim 1, characterized in that, The second driving structure includes: The second slider is connected to the adapter and slides in the transverse groove. A worm gear is rotatably mounted on the back plate, and the adapter has a threaded hole provided along the length direction of the transverse sliding groove. One end of the worm gear is screwed into the threaded hole. A second motor has a worm gear coaxially connected to its output shaft, and the worm gear meshes with the worm.

5. The prefabricated station sidewall assembly and alignment device according to claim 1, characterized in that, At least two first conductive patches are attached to the upper part of the backrest, and at least two second conductive patches are attached to the outer side of the sidewall. The positions of the at least two second conductive patches correspond one-to-one with the positions of the at least two first conductive patches. The at least two second conductive patches are electrically connected by wires, and the at least two first conductive patches are connected to a power source and an indicator light by wires. After the outer side of the sidewall is attached to the upper part of the backrest, the at least two first conductive patches are attached to the at least two second conductive patches respectively. The first conductive patches, the second conductive patches, the power source, and the indicator light are connected in series to form a circuit, so that the indicator light is lit to indicate that the sidewall is installed in place.

6. A construction method for a prefabricated station sidewall assembly and alignment device as described in any one of claims 1 to 5, characterized in that, Includes the following steps: The movable support platform is placed on the prefabricated base plate of the prefabricated station, so that the insertion flange of the prefabricated base plate slides in the guide groove of the movable support platform. The position of the support arm on the movable support platform is adjusted by the first drive structure, and the position of the adapter on the support arm is adjusted by the second drive structure so that the lower part of the back plate is attached to one end face of the precast base plate, so that a limiting space is formed between the upper part of the back plate and the precast base plate. The side wall is hoisted and lowered so that the outer side of the side wall fits against the upper part of the backing plate, so that the socket groove at the bottom of the side wall is fitted into the insertion flange of the precast base plate, thereby setting the side wall along a preset direction.

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