Track material conveying device for subway station assembly type stair construction

Abstract

The invention relates to the technical field of rail material conveying, and discloses a rail material conveying device for subway station assembly type stair construction, which comprises a rail flat car, a first sliding groove is formed in the upper surface of the rail flat car, and a linear motor is fixedly connected to the inner surface of the first sliding groove; according to the device, an abutting plate clamps the assembly type staircase, so that the assembly type staircase is fixed, the stability during transportation is improved, the assembly type staircase is prevented from falling down and being damaged, the assembly type staircase makes elastic contact with the abutting plate through a pressure spring, and the situation that the surface of the assembly type staircase is abraded due to the fact that the clamping force is too large is prevented; and the top of the assembly type stair is clamped by the rotating clamping plate, the situation that the assembly type stair floats due to the fact that the rail flat car is impacted in the transportation process or the assembly type stair floats due to inertia generated when the rail flat car stops is avoided, and the transportation stability and safety of the assembly type stair are further improved.

Description

Technical Field

[0001] The invention relates to the technical field of rail material transportation, and in particular to a rail material transportation device for the construction of assembled stairs in a subway station. Background Art

[0002] Prefabricated stairs are a type of building component that is constructed by prefabrication and assembly. They are designed to improve construction efficiency, reduce costs, and enhance the quality and safety of buildings. Prefabricated stairs are mainly composed of prefabricated staircase sections and prefabricated resting platforms. These prefabricated parts are processed and manufactured in the factory according to the design drawings, and transported to the construction site after reaching a certain strength. On site, these prefabricated components are installed by assembly and assembly to form a complete staircase structure. The design and construction method of this type of staircase significantly improves construction efficiency, reduces on-site wet work, reduces the impact on the environment, and can ensure the quality and safety of the building. After being transported to the construction site, the prefabricated stairs also need to be transported to the installation site by a leveler or crane according to different sections. In the prior art, when transporting the prefabricated stairs by a leveler, ropes are usually used to fix the prefabricated stairs. This type of fixation is not convenient during loading and unloading, and the protective effect is not good.

[0003] The patent with announcement number CN217971241U discloses a rail-type flatbed vehicle for metal coils, which includes a flatbed vehicle flatbed, wherein a front axle beam and a rear axle beam are arranged at the bottom of the flatbed vehicle flatbed, wherein the left side of the front axle beam is vertically connected to the left front vertical axle beam, the left front vertical axle beam is connected to the left front transverse axle, and the left front transverse axle is connected to the left front track wheel, the right side of the front axle beam is vertically connected to the right front vertical axle beam, the right front vertical axle beam is connected to the right front transverse axle, and the right front transverse axle is connected to the right front track wheel, the left side of the rear axle beam is vertically connected to the left rear vertical axle beam, the left rear vertical axle beam is connected to the left rear transverse axle, and the left rear transverse axle is connected to the left rear track wheel, the right side of the rear axle beam is vertically connected to the right rear vertical axle beam, the right rear vertical axle beam is connected to the right rear transverse axle, and the right rear transverse axle is connected to the right rear track wheel. Although the patent solves the above problems, there are still problems such as inconvenience in loading and unloading and poor protection effect, so a rail material transport device for the construction of prefabricated stairs in subway stations is proposed to solve the above problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a track material transport device for the construction of prefabricated stairs in subway stations in view of the deficiencies in the above-mentioned prior art.

[0005] The cam is an angular movement mechanism which allows the cam to move along a line which is adapted to move the camshafts along the longitudinal axis of the track, the cam being arranged on a track to move the camshafts along the longitudinal axis of the track. The first sliding shaft is slidably connected to the inner surface of the first sliding groove, and the end of the compression spring away from the contact plate is fixedly connected to the positioning plate. The assembled staircase is placed on the track leveling vehicle, and the linear motor is started. The linear motor drives the two extension clamping rods to approach each other. When the extension clamping rod moves, it drives the first sliding shaft to slide in the first sliding groove. The first sliding shaft then drives the positioning plate to move and approach the assembled staircase. The positioning plate then clamps the assembled staircase through the guide rod and the contact plate to fix the assembled staircase. A compression spring is arranged between the contact plate and the positioning plate so that the assembled staircase is fixed. The stairs are in elastic contact with the contact plate, and the vibration generated by the impact of the rail leveling car is transmitted to the compression spring, which can be absorbed and reduced by the elasticity of the compression spring. The contact plate stops after contacting the assembled stairs. Because the contact plate stops, the guide rod also stops moving, and the positioning plate slides on the circumferential surface of the guide rod and approaches the contact plate. When the positioning plate approaches the contact plate, the rotating splint is driven by the extension block 1 and the center connecting rod to approach the end of the guide rod away from the contact plate. After the rotating splint is resisted by the guide rod, it flips along the axis of the center connecting rod, thereby clamping the top of the assembled stairs.

[0006] Preferably, the unloading device includes a transmission oblique rod, a push rod, a guide groove, an extension block 2, and a second sliding shaft. The transmission oblique rod is arranged above the rail leveler, the push rod is fixedly connected to the front end of the transmission oblique rod, the guide groove is arranged on the inner side of the transmission oblique rod, the extension block 2 is fixedly connected to the rear side of the positioning plate, and the second sliding shaft is fixedly connected to the lower surface of the extension block 2. The unloading device also includes an adjusting slide rod, a sliding sleeve, a tension spring, an L-shaped card plate, a limiting top plate, a second sliding groove, a guide limiting shaft, and a pulley. The adjusting slide rod is fixedly connected to the upper surface of the push rod, and the sliding sleeve slides The circumferential surface of the adjusting slide rod is connected, the tension spring is fixedly connected to the lower surface of the sliding sleeve, the L-shaped card plate is fixedly connected to the circumferential surface of the sliding sleeve, the limit top plate is fixedly connected to the top of the adjusting slide rod, the second slide groove is opened on the upper surface of the track leveler, the guide limit shaft is fixedly connected to the lower surface of the push rod, the pulley is rotatably connected to the lower surface of the push rod, the bottom end of the tension spring is fixedly connected to the upper surface of the push rod, the guide limit shaft is slidably connected to the inner surface of the second slide groove, the second slide shaft is slidably connected to the inner surface of the guide groove, the circumferential surface of the pulley is connected to the upper surface of the track leveler When the two extension rods are in contact with each other, the linear motor drives the two extension rods to move away from each other, and the extension rod drives the positioning plate away from the rail level car through the first sliding shaft. When the positioning plate moves away from the rail level car, it drives the extension block 2 and the second sliding shaft to move away from the rail level car, and the second sliding shaft slides in the guide groove and drives the transmission inclined rod to move forward through the guidance of the guide groove, and the transmission inclined rod drives the pushing rod to move forward. When the pushing rod moves forward, it drives the assembled stairs to move forward for unloading. When the pushing rod moves forward, it drives the adjusting slide rod to move forward, and drives the sliding sleeve to slide and rise on the adjusting slide rod. The sliding sleeve drives the L-shaped card plate to rise. When the height of the L-shaped pallet exceeds that of the assembled staircase, the sliding sleeve is released, and the elastic restoring action of the tension spring drives the sliding sleeve and the L-shaped pallet to descend. When the L-shaped pallet descends, it contacts the rear side of the assembled staircase and then stops, and clamps the rear side of the assembled staircase, thereby making the assembled staircase more stable when moving, and preventing the assembled staircase from twisting and deviating during the unloading process, affecting the unloading efficiency. When the push rod moves forward, it drives the guide limit shaft to slide forward in the second slide groove, and the second slide groove limits the guide limit shaft, and the guide limit shaft limits the push rod, and the push rod also drives the pulley to slide forward on the rail leveler.

[0007] Preferably, the slow-down device includes a movable plate, a slide rail, a material receiving arm, a spring sheet, and an arc-shaped limit piece. The movable plate is hinged on the front side of the track leveling vehicle, the slide rail is fixedly connected to the front side of the movable plate, the two material receiving arms are slidably connected to the inner surface of the slide rail, the spring sheet is fixedly connected to the front side of the track leveling vehicle, the arc-shaped limit piece is fixedly connected to the front side of the track leveling vehicle, the slow-down device also includes a third slide shaft, a U-shaped limit frame, a sliding push rod, a third slide groove, an elastic telescopic rod, and a push plate. The third slide shaft is fixedly connected to both sides of the movable plate. The positioning frame is fixedly connected to both sides of the railroad flat car, the sliding push rod is slidably connected to the inner surface of the U-shaped limit frame, the third slide groove is opened inside the railroad flat car, the elastic telescopic rod is fixedly connected to the rear side of the inner wall of the third slide groove, the push plate is fixedly connected to the front end of the elastic telescopic rod, the front side of the spring sheet and the rear side of the movable plate are fixedly connected, the third sliding shaft and the inner surface of the arc limit piece are slidably connected, the sliding push rod and the two sides of the railroad flat car are in contact with each other, the second slide groove and the third slide groove are connected, and the push plate and the inner surface of the third slide groove are slidably connected. The front side of the push plate and the rear end of the sliding push rod contact each other, and the guide limit shaft contacts the push plate when sliding forward and pushes the push plate to slide forward in the third slide groove. After the third slide groove contacts the sliding push rod, it pushes it to slide forward in the U-shaped limit frame. After the sliding push rod contacts the rear side of the movable plate, it pushes the movable plate to rotate along the hinge between it and the track level car and finally becomes flush with the track level car. At this time, the front end of the assembled staircase moves to the movable plate, and the assembled staircase is caught by the movable plate, and the guide limit shaft moves backward. After the push plate loses the interference of the guide limit shaft, the elastic telescopic rod drives The push plate slides backward to reset. At this time, the weight of the assembled stairs presses on the movable plate to make it flip downward. During the downward flipping of the movable plate, the third sliding shaft is driven to slide in the arc-shaped limiter, generating friction to slow down the flipping speed of the movable plate, so that the assembled stairs slowly descends. When the movable plate is about to stop, the elasticity of the spring piece can prevent the impact and rebound of the hard contact between the movable plate and the track leveling car to the assembled stairs. After the movable plate stops, the material receiving arm contacts the ground, and the assembled stairs stands on the material receiving arm to complete the unloading, and the two material receiving arms are slid closer or farther in the slide rail.

[0008] The present invention adopts the above technical solution to bring the following beneficial effects: 1. The subway station uses a rail transport device for the construction of prefabricated stairs. The contact plate clamps the prefabricated stairs to fix them, improves stability during transportation, and prevents them from falling and being damaged. The compression spring makes the prefabricated stairs and the contact plate elastically contact to prevent excessive clamping force from causing surface wear of the prefabricated stairs. The rotating clamp clamps the top of the prefabricated stairs to prevent the prefabricated stairs from floating due to impact during transportation by the rail leveler, or floating due to inertia generated when the rail leveler stops, further improving the stability and safety of prefabricated staircase transportation.

[0009] 2. The subway station uses a rail material transport device for the construction of prefabricated stairs. The push rod pushes the prefabricated stairs forward for unloading. There is no need to manually move the prefabricated stairs for unloading, which makes unloading more convenient and improves convenience. The L-shaped pallet clamps the back side of the prefabricated stairs, making the prefabricated stairs more stable when moving, avoiding twisting and deviation of the prefabricated stairs during unloading, which affects the unloading efficiency. The guide limit shaft limits the push rod to prevent the push rod from deviating when moving forward, further improving the unloading stability. The pulley slides forward on the rail leveler, reducing the friction generated when the push rod moves, avoiding jamming when the push rod moves, and improving the unloading efficiency.

[0010] 3. The subway station's prefabricated staircase is constructed with a rail-type material transport device. At this time, the front end of the prefabricated staircase moves to the movable plate to avoid collisions caused by hard contact between the prefabricated staircase and the ground during unloading, thereby improving the safety of unloading. The third sliding shaft slides in the arc-shaped limiter, generating friction to slow down the flipping speed of the movable plate, causing the prefabricated staircase to slowly descend, further improving the safety of unloading. After the movable plate stops, the material receiving arm contacts the ground, and the prefabricated staircase stands on the material receiving arm to complete the unloading. There is no need to manually stand up the prefabricated staircase, which saves time and effort and facilitates the subsequent splicing of the prefabricated staircase. The two material receiving arms slide close to or away from each other in the slide rail, which can adjust the material receiving area and facilitate the access to prefabricated stairs of different widths, thereby improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the three-dimensional overall structure of the present invention; Figure 2 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the present invention; Figure 3 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the abutment plate of the present invention; Figure 4 For the present invention Figure 3 A is a schematic diagram of the enlarged structure of the middle part; Figure 5 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the unloading device of the present invention; Figure 6 For the present invention Figure 5 Schematic diagram of the enlarged structure of B; Figure 7 It is a schematic diagram of the front side cross-sectional three-dimensional structure of the descent control device of the present invention; Figure 8 For the present invention Figure 7 Schematic diagram of the enlarged structure of C in the middle; Fig. 9 It is a schematic diagram of the front side cross-sectional three-dimensional structure of a partial structure of the descent control device of the present invention.

[0012] In the figure: 1, rail level car; 2, first slide slot; 3, linear motor; 4, positioning plate; 41, first slide shaft; 42, extension clamp rod; 43, guide rod; 44, contact plate; 45, compression spring; 46, extension block 1; 47, center connecting rod; 48, rotating clamp plate; 5, unloading device; 51, transmission inclined rod; 52, push rod; 53, guide slot; 54, extension block 2; 55, second slide shaft; 56, adjustment slide rod; 57, slide Moving sleeve; 58, tension spring; 59, L-shaped clamping plate; 510, limit top plate; 511, second slide groove; 512, guide limit shaft; 513, pulley; 6, slow-down device; 61, movable plate; 62, slide rail; 63, material receiving arm; 64, spring piece; 65, arc-shaped limit piece; 66, third slide shaft; 67, U-shaped limit frame; 68, sliding push rod; 69, third slide groove; 610, elastic telescopic rod; 611, push plate. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0014] See also Figure 1-Figure 9One embodiment of the present invention is: a rail material transport device for the construction of assembled stairs in subway stations, comprising a rail leveling vehicle 1, a first slide groove 2 is provided on the upper surface of the rail leveling vehicle 1, a linear motor 3 is fixedly connected to the inner surface of the first slide groove 2, two extension clamping rods 42 are fixedly connected to the moving end of the linear motor 3, a first sliding shaft 41 is fixedly connected to the upper surface of the extension clamping rod 42, a positioning plate 4 is fixedly connected to the top of the first sliding shaft 41, a guide rod 43 is slidably connected to the inner surface of the positioning plate 4, an end of the guide rod 43 away from the positioning plate 4 is fixedly connected to a resistance plate 44, a compression spring 45 is fixedly connected to the side of the resistance plate 44 close to the positioning plate 4, an extension block 46 is fixedly connected to the side of the positioning plate 4 away from the resistance plate 44, a central connecting rod 47 is fixedly connected between the two extension blocks 46, a rotating clamping plate 48 is hinged on the circumferential surface of the central connecting rod 47, and the resistance plate 44 clamps the assembled stairs, so that The assembled stairs are fixed to improve the stability during transportation and prevent the assembled stairs from falling and being damaged. The compression spring 45 makes the assembled stairs and the resistance plate 44 contact elastically to prevent the surface of the assembled stairs from being worn due to excessive clamping force. A unloading device 5 for quickly unloading the assembled stairs is arranged above the rail leveler 1, and a slow-descent device 6 for improving the stability of the assembled stairs during unloading is arranged on the front side of the rail leveler 1. The extending clamping rod 42 is slidably connected to the inner surface of the first slide groove 2, and the first sliding shaft 41 is slidably connected to the inner surface of the first slide groove 2. The end of the compression spring 45 away from the resistance plate 44 is fixedly connected to the positioning plate 4, and the rotating clamping plate 48 clamps the top of the assembled stairs to prevent the assembled stairs from floating due to impact during transportation of the rail leveler 1, or floating due to inertia generated when the rail leveler 1 stops, further improving the stability and safety of the assembled stairs transportation.

[0015] Working principle: put the assembled stairs on the track leveler 1, start the linear motor 3, the linear motor 3 drives the two extension rods 42 to approach each other, and when the extension rod 42 moves, it drives the first slide shaft 41 to slide in the first slide groove 2, and the first slide shaft 41 drives the positioning plate 4 to move and approach the assembled stairs, and the positioning plate 4 clamps the assembled stairs through the guide rod 43 and the contact plate 44 to fix the assembled stairs, improve the stability during transportation, and prevent the assembled stairs from falling and being damaged, and a compression spring 45 is arranged between the contact plate 44 and the positioning plate 4, so that the assembled stairs and the contact plate 44 are in elastic contact to prevent the clamping force from being too large and causing the surface of the assembled stairs to be worn, and at the same time, the vibration generated by the impact of the track leveler 1 is transmitted to the compression spring 45, which can be elastically absorbed and reduced by the compression spring 45, avoiding the assembled stairs. The stairs are damaged by external forces, which improves the transportation safety of the assembled stairs. The contact plate 44 stops after contacting the assembled stairs. Because the contact plate 44 stops, the guide rod 43 also stops moving, and the positioning plate 4 slides on the circumferential surface of the guide rod 43 and approaches the contact plate 44. When the positioning plate 4 approaches the contact plate 44, it drives the rotating clamping plate 48 to approach the end of the guide rod 43 away from the contact plate 44 through the extension block 1 46 and the center connecting rod 47. After the rotating clamping plate 48 is resisted by the guide rod 43, it flips along the axis of the center connecting rod 47, and then clamps the top of the assembled stairs, avoiding the floating of the assembled stairs caused by the impact of the rail leveler 1 during transportation, or the floating of the assembled stairs caused by the inertia generated when the rail leveler 1 stops, further improving the stability and safety of the transportation of the assembled stairs.

[0016] See also Figure 1-Figure 9On the basis of the above embodiment, in another embodiment of the present invention, the unloading device 5 includes a transmission inclined rod 51, a push rod 52, a guide groove 53, an extension block 2 54, and a second slide shaft 55. The transmission inclined rod 51 is arranged above the rail leveler 1, the push rod 52 is fixedly connected to the front end of the transmission inclined rod 51, the guide groove 53 is arranged on the inner side of the transmission inclined rod 51, the extension block 2 54 is fixedly connected to the rear side of the positioning plate 4, the second slide shaft 55 is fixedly connected to the lower surface of the extension block 2 54, and the push rod 52 pushes the assembled staircase to move forward. The unloading device 5 also includes an adjusting slide bar 56, a sliding sleeve 57, a tension spring 58, an L-shaped slide bar 59, a limiting top plate 510, a second slide groove 511, a guide limiting shaft 512, and a pulley 513. The adjusting slide bar 56 is fixedly connected to the second slide groove 511, a guide limiting shaft 512, and a pulley 513. The upper surface of the push rod 52, the sliding sleeve 57 is slidably connected to the circumference of the adjusting slide rod 56, the tension spring 58 is fixedly connected to the lower surface of the sliding sleeve 57, the L-shaped clamping plate 59 is fixedly connected to the circumference of the sliding sleeve 57, the limiting top plate 510 is fixedly connected to the top of the adjusting slide rod 56, the second slide groove 511 is opened on the upper surface of the track leveler 1, the guide limiting shaft 512 is fixedly connected to the lower surface of the push rod 52, the pulley 513 is rotatably connected to the lower surface of the push rod 52, the bottom end of the tension spring 58 is fixed to the upper surface of the push rod 52 The guide limit shaft 512 is slidably connected to the inner surface of the second slide groove 511, the second slide shaft 55 is slidably connected to the inner surface of the guide groove 53, the circumferential surface of the pulley 513 and the upper surface of the rail leveler 1 are in contact with each other, the guide limit shaft 512 limits the push rod 52 to prevent the push rod 52 from deviating when moving forward, further improving the unloading stability, the pulley 513 slides forward on the rail leveler 1, reducing the friction generated when the push rod 52 moves, avoiding jamming when the push rod 52 moves, and improving the unloading efficiency.

[0017] Working principle: the linear motor 3 drives the two extension rods 42 away from each other, and the extension rod 42 drives the positioning plate 4 away from the rail-type vehicle 1 through the first sliding shaft 41. When the positioning plate 4 moves away from the rail-type vehicle 1, it drives the extension block 2 54 and the second sliding shaft 55 away from the rail-type vehicle 1, and the second sliding shaft 55 slides in the guide groove 53 and drives the transmission inclined rod 51 to move forward through the guidance of the guide groove 53, and the transmission inclined rod 51 then drives the pushing rod 52 to move forward. When the pushing rod 52 moves forward, it drives the assembled stairs forward for unloading. There is no need to manually move the assembled stairs for unloading, which makes unloading more convenient and improves convenience. When the pushing rod 52 moves forward, it drives the adjusting slide rod 56 forward, and drives the sliding sleeve 57 to slide and rise on the adjusting slide rod 56. The sliding sleeve 57 drives the L-shaped card plate 59 to rise. When the height of the L-shaped card plate 59 exceeds the assembled stairs, When the sliding sleeve 57 is released, the elastic restoring effect of the tension spring 58 drives the sliding sleeve 57 and the L-shaped clamping plate 59 to descend. When the L-shaped clamping plate 59 descends, it contacts the rear side of the assembled staircase and then stops, and clamps the rear side of the assembled staircase, thereby making the assembled staircase more stable when moving, avoiding the assembled staircase from twisting and deviating during the unloading process and affecting the unloading efficiency. When the push rod 52 moves forward, it drives the guide limit shaft 512 to slide forward in the second slide groove 511, and the second slide groove 511 limits the guide limit shaft 512, and the guide limit shaft 512 limits the push rod 52 to prevent the push rod 52 from deviating when moving forward, further improving the unloading stability, and the push rod 52 also drives the pulley 513 to slide forward on the rail leveler 1, reducing the friction generated when the push rod 52 moves, avoiding jamming when the push rod 52 moves, and improving the unloading efficiency.

[0018] See also Figure 1-Figure 8On the basis of the above embodiment, in another embodiment of the present invention, the descending device 6 includes a movable plate 61, a slide rail 62, a material receiving arm 63, a spring piece 64, and an arc-shaped limiter 65. The movable plate 61 is hinged on the front side of the track leveler 1, the slide rail 62 is fixedly connected to the front side of the movable plate 61, the two material receiving arms 63 are slidably connected to the inner surface of the slide rail 62, the spring piece 64 is fixedly connected to the front side of the track leveler 1, and the arc-shaped limiter 65 is fixedly connected to the front side of the track leveler 1. At this time, the front end of the assembled staircase moves to the movable plate 61, to avoid the hard contact between the assembled stairs and the ground during unloading, thereby improving the safety of unloading. The third sliding shaft 66 slides in the arc-shaped limiter 65, generating friction to slow down the flipping speed of the movable plate 61, so that the assembled stairs slowly descends, further improving the safety of unloading. The slow-down device 6 also includes a third sliding shaft 66, a U-shaped limit frame 67, a sliding push rod 68, a third slide groove 69, an elastic telescopic rod 610, and a push plate 611. The third sliding shaft 66 is fixedly connected to both sides of the movable plate 61, and the U-shaped limit frame 67 is fixedly connected to The third slide groove 69 is provided inside the track level vehicle 1, and the elastic telescopic rod 610 is fixedly connected to the rear side of the inner wall of the third slide groove 69, and the push plate 611 is fixedly connected to the front end of the elastic telescopic rod 610. The front side of the spring 64 and the rear side of the movable plate 61 are fixedly connected. The third sliding shaft 66 and the inner surface of the arc-shaped limiter 65 are slidably connected. The sliding push rod 68 and the two sides of the track level vehicle 1 are in contact with each other, and the second slide groove 511 and the third slide groove 69 is connected, the push plate 611 and the inner surface of the third slide groove 69 are slidably connected, the front side surface of the push plate 611 and the rear end of the sliding push rod 68 are in contact with each other, and the movable plate 61 stops and the material receiving arm 63 is in contact with the ground, and the assembled staircase stands on the material receiving arm 63 to complete the unloading, and there is no need to manually stand up the assembled staircase, which saves time and effort and facilitates the subsequent splicing of the assembled staircase. The two material receiving arms 63 slide close to or away from each other in the slide rail 62, and the material receiving area can be adjusted, which is convenient for receiving assembled stairs of different widths and improves the applicability of the device.

[0019] Working principle: when the guide limit shaft 512 slides forward, it contacts with the push plate 611 and pushes the push plate 611 to slide forward in the third slide groove 69. After the third slide groove 69 contacts the sliding push rod 68, it pushes it to slide forward in the U-shaped limit frame 67. After the sliding push rod 68 contacts the rear side of the movable plate 61, it pushes the movable plate 61 to rotate along the hinge between it and the track leveler 1 and finally becomes flush with the track leveler 1. At this time, the front end of the assembled staircase moves to the movable plate 61 to avoid collision caused by hard contact between the assembled staircase and the ground during unloading, thereby improving the unloading safety. After the assembled staircase is caught by the movable plate 61, the guide limit shaft 512 moves backward. After the push plate 61 loses the resistance of the guide limit shaft 512, the elastic telescopic rod 610 drives the push plate 611 to slide backward and reset. At this time, the weight of the assembled staircase presses on the movable plate 61 makes the movable plate 61 flip downward. During the flipping process of the movable plate 61, the third sliding shaft 66 is driven to slide in the arc-shaped limiter 65, generating friction to slow down the flipping speed of the movable plate 61, so that the assembled staircase slowly descends, further improving the unloading safety. When the movable plate 61 is about to stop, the elasticity of the spring piece 64 can prevent the impact and rebound caused by the hard contact between the movable plate 61 and the track leveler 1 to the assembled staircase. After the movable plate 61 stops, the material receiving arm 63 contacts the ground, and the assembled staircase stands on the material receiving arm 63 to complete the unloading, and there is no need to manually stand up the assembled staircase, which saves time and effort and facilitates the subsequent splicing of the assembled staircase. The two material receiving arms 63 are slid closer or farther away in the slide rail 62 to adjust the material receiving area, which is convenient for receiving assembled stairs of different widths and improves the applicability of the device.

[0020] The present invention provides a track material transport device for the construction of assembled stairs in subway stations. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A rail material transport device for the construction of assembled stairs in a subway station, comprising a rail leveler (1), characterized in that: The upper surface of the rail level vehicle (1) is provided with a first slide groove (2), the inner surface of the first slide groove (2) is fixedly connected to a linear motor (3), the movable end of the linear motor (3) is fixedly connected to two extension clamping rods (42), the upper surface of the extension clamping rod (42) is fixedly connected to a first sliding shaft (41), the top end of the first sliding shaft (41) is fixedly connected to a positioning plate (4), the inner surface of the positioning plate (4) is slidably connected to a guide rod (43), the end of the guide rod (43) away from the positioning plate (4) is fixedly connected to a resistance plate (44), the side of the resistance plate (44) close to the positioning plate (4) is fixedly connected to a compression spring (45), the side of the positioning plate (4) away from the resistance plate (44) is fixedly connected to an extension block (46), a central connecting rod (47) is fixedly connected between the two extension blocks (46), and the circumferential surface of the central connecting rod (47) is hinged with a rotating clamp (48); A discharging device (5) for quickly discharging the assembled staircase is arranged above the track leveler (1), and a slow-down device (6) for improving the stability of the assembled staircase during discharging is arranged at the front side of the track leveler (1).

2. A rail material transport device for construction of assembled stairs in a subway station according to claim 1, characterized in that: The extending clamping rod (42) is slidably connected to the inner surface of the first slide groove (2), the first slide shaft (41) is slidably connected to the inner surface of the first slide groove (2), and one end of the compression spring (45) away from the abutment plate (44) is fixedly connected to the positioning plate (4).

3. A rail material transport device for construction of assembled stairs in a subway station according to claim 2, characterized in that: The unloading device (5) comprises a transmission oblique rod (51), a push rod (52), a guide groove (53), an extension block 2 (54), and a second sliding shaft (55); the transmission oblique rod (51) is arranged above the rail leveler (1); the push rod (52) is fixedly connected to the front end of the transmission oblique rod (51); the guide groove (53) is arranged on the inner side of the transmission oblique rod (51); the extension block 2 (54) is fixedly connected to the rear side of the positioning plate (4); and the second sliding shaft (55) is fixedly connected to the lower surface of the extension block 2 (54).

4. A rail material transport device for construction of assembled stairs in a subway station according to claim 3, characterized in that: The unloading device (5) also includes an adjusting slide bar (56), a sliding sleeve (57), a tension spring (58), an L-shaped card plate (59), a limiting top plate (510), a second sliding groove (511), a guide limiting shaft (512), and a pulley (513). The adjusting slide bar (56) is fixedly connected to the upper surface of the push rod (52), the sliding sleeve (57) is slidably connected to the circumferential surface of the adjusting slide bar (56), the tension spring (58) is fixedly connected to the lower surface of the sliding sleeve (57), the L-shaped card plate (59) is fixedly connected to the circumferential surface of the sliding sleeve (57), the limiting top plate (510) is fixedly connected to the top of the adjusting slide bar (56), the second sliding groove (511) is opened on the upper surface of the rail leveler (1), the guide limiting shaft (512) is fixedly connected to the lower surface of the push rod (52), and the pulley (513) is rotatably connected to the lower surface of the push rod (52).

5. A rail material transport device for construction of assembled stairs in a subway station according to claim 4, characterized in that: The bottom end of the tension spring (58) is fixedly connected to the upper surface of the push rod (52), the guide limit shaft (512) is slidably connected to the inner surface of the second slide groove (511), the second slide shaft (55) is slidably connected to the inner surface of the guide groove (53), and the circumferential surface of the pulley (513) is in contact with the upper surface of the track leveler (1).

6. A rail material transport device for construction of assembled stairs in a subway station according to claim 5, characterized in that: The slow-descent device (6) comprises a movable plate (61), a slide rail (62), a material receiving arm (63), a spring sheet (64), and an arc-shaped stopper (65); the movable plate (61) is hinged on the front side of the rail-type flat vehicle (1); the slide rail (62) is fixedly connected to the front side of the movable plate (61); the two material receiving arms (63) are slidably connected to the inner surface of the slide rail (62); the spring sheet (64) is fixedly connected to the front side of the rail-type flat vehicle (1); and the arc-shaped stopper (65) is fixedly connected to the front side of the rail-type flat vehicle (1).

7. A rail material transport device for construction of assembled stairs in a subway station according to claim 6, characterized in that: The slow-descent device (6) also includes a third sliding shaft (66), a U-shaped limit frame (67), a sliding push rod (68), a third slide groove (69), an elastic telescopic rod (610), and a push plate (611). The third sliding shaft (66) is fixedly connected to both sides of the movable plate (61), the U-shaped limit frame (67) is fixedly connected to both sides of the rail-type vehicle (1), the sliding push rod (68) is slidably connected to the inner surface of the U-shaped limit frame (67), the third slide groove (69) is opened inside the rail-type vehicle (1), the elastic telescopic rod (610) is fixedly connected to the rear side of the inner wall of the third slide groove (69), and the push plate (611) is fixedly connected to the front end of the elastic telescopic rod (610).

8. A rail material transport device for construction of assembled stairs in a subway station according to claim 7, characterized in that: The front side surface of the spring sheet (64) and the rear side surface of the movable plate (61) are fixedly connected, the third sliding shaft (66) and the inner surface of the arc-shaped limiter (65) are slidably connected, the sliding push rod (68) and the two sides of the rail leveler (1) are in contact with each other, the second slide groove (511) and the third slide groove (69) are connected, the push plate (611) and the inner surface of the third slide groove (69) are slidably connected, and the front side surface of the push plate (611) and the rear end of the sliding push rod (68) are in contact with each other.

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