Lifting platform for railway engineering construction

Abstract

The utility model discloses a lifting platform for railway engineering construction, which belongs to the technical field of railway engineering equipment and comprises a lifting mechanism and a rainproof mechanism. According to the invention, two rotating shafts are arranged, so that the two rotating shafts can drive four connecting arms to synchronously rotate, a movable plate can drive the movable plate to lift under the action of the connecting arms, a worker can stand on a lifting plate to carry out construction operation, and meanwhile, through the arrangement of a rainproof mechanism, a top cover can shield rainwater after covering the top of a bracket; and after being extruded by the protruding blocks, the inserting blocks can be inserted into the arc-shaped inserting grooves under the action of the springs to position the protruding blocks, so that the top cover can be fixed to the support to be stably used, the top cover which is not used can be folded and fixed conveniently according to actual needs, and workers can use the lifting platform more conveniently in rainy days.

Description

Technical Field

[0001] The utility model relates to the technical field of railway engineering equipment, in particular to a lifting platform used for railway engineering construction. Background Art

[0002] As we all know, railway engineering refers to various civil engineering facilities on the railway, and also refers to the technology used in various stages of railway construction. In the process of railway construction, lifting platforms are needed to carry out construction and other work;

[0003] A Chinese patent publication (publication number: CN209685268U) discloses a double-layer synchronous lifting platform, which is an installation and maintenance equipment integrating the functions of movement, lifting, and automatic telescopic tabletop extension, etc. It is powerful, safe and reliable in operation, and low in cost. It includes: a support frame, a synchronous lifting platform, including an upper platform, a lower platform, and a connecting column arranged between the upper platform and the lower platform, a lifting mechanism, including a motor and a guide rail slider assembly, a lead screw nut assembly I connected to the output end of the motor, a rail slider assembly including a guide rail and a slider matched with the guide rail, the guide rail is arranged on the support frame, and the slider is arranged on the upper platform and the lower platform, a telescopic platform, connecting the upper platform, a telescopic mechanism, including a telescopic motor and a guide assembly, the output end of the telescopic motor is connected to the lead screw nut assembly II, the guide assembly includes a guide shaft and a sleeve matched with the guide shaft, the guide shaft is connected to the upper platform and the telescopic platform at the same time, and the sleeve is arranged on the telescopic platform;

[0004] However, when the existing lifting platform is used in the process of railway construction, since part of the railway construction needs to be constructed in an outdoor environment, the lifting platform in the prior art does not have the function of rain protection outdoors, which causes inconvenience to the workers when using the lifting platform on rainy days. For this reason, a lifting platform for railway construction is proposed. Summary of the invention

[0005] The purpose of the utility model is to provide a lifting platform for railway engineering construction to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting platform for railway engineering construction, comprising a lifting mechanism and a rainproof mechanism;

[0007] The lifting mechanism comprises a base, a motor and a vertical plate are respectively fixedly mounted on the top of the base, a worm is fixedly connected to the output shaft of the motor, worm wheels are meshedly connected to the two sides of the worm, rotating shafts are fixedly embedded inside the two worm wheels, a block is rotatably connected to the outer wall of the rotating shaft, the bottom of the block is fixedly connected to the base, connecting arms are fixedly connected to the two ends of the rotating shaft, a movable plate is movably connected to the inside of the connecting arm, one side of the movable plate is movably connected to the vertical plate, and a lifting plate is fixedly connected to the top of the movable plate;

[0008] The rainproof mechanism includes a bracket fixedly connected to the top of the lifting plate, a top cover is hinged on one side of the bracket, protrusions are fixedly connected on both sides of the top cover, an arc-shaped groove is opened on one side of the protrusion, two movable rods are slidably connected inside the bracket, one end of the two movable rods is fixedly connected to an insertion block for inserting into the arc-shaped groove, a spring is mounted on the movable rod, and the two ends of the spring are respectively fixedly connected to the insertion block and the bracket.

[0009] As a further preferred embodiment of the technical solution: universal wheels are evenly and fixedly mounted on the bottom of the base.

[0010] As a further preferred embodiment of the technical solution: a slide groove is provided inside the connecting arm, an inner side wall of the slide groove is slidably connected with a rod body, and one end of the rod body is fixedly connected to the movable plate.

[0011] As a further preferred embodiment of the technical solution: a slide rail is fixedly installed on one side of the vertical plate, and one side of the slide rail is slidably connected to the movable plate.

[0012] As a further preferred embodiment of the technical solution: a handle is fixedly connected to the vertical plate, and a rubber sleeve is fixedly sleeved on the handle.

[0013] As a further preferred embodiment of the technical solution: one end of the movable rod away from the inserting block is fixedly connected to a stopper, and one side of the stopper is fixedly connected to a first pulling ear.

[0014] As a further preferred embodiment of the technical solution: a second pull ear is fixedly connected to one side of the top cover.

[0015] As a further preferred embodiment of the technical solution: an auxiliary ladder is fixedly connected to one side of the lifting platform.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model sets a lifting mechanism so that after the motor is started, it can drive two worm wheels to rotate at the same time through the worm, so that the two rotating shafts can drive four connecting arms to rotate synchronously, and then the movable plate can be lifted by the connecting arms, so that the workers can stand on the lifting plate to carry out construction work;

[0018] 2. The utility model is provided with a rainproof mechanism so that the top cover can block rain after covering the top of the bracket, and the insert block can be inserted into the arc-shaped slot under the action of the spring to position the bump after being squeezed by the bump, so that the top cover can be fixed on the bracket for stable use, and it is also convenient to fold and fix the top cover when not in use according to actual needs, making it more convenient for staff to use the lifting platform on rainy days. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a first structural schematic diagram of a lifting platform for railway engineering construction according to the utility model;

[0020] Figure 2 The utility model is a lifting platform used for railway engineering construction Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0021] Figure 3 The utility model is a lifting platform used for railway engineering construction Figure 1 A schematic diagram of the enlarged structure of the middle B part;

[0022] Figure 4 This is a second structural schematic diagram of a lifting platform for railway engineering construction according to the utility model.

[0023] In the figure: 1. lifting mechanism; 10. base; 11. motor; 12. vertical plate; 13. worm gear; 14. worm; 15. rotating shaft; 16. block; 17. connecting arm; 18. movable plate; 19. lifting plate; 101. slide rail; 102. slide groove; 103. universal wheel; 104. rod body; 105. auxiliary ladder; 106. handle; 107. rubber sleeve; 2. rainproof mechanism; 20. bracket; 21. top cover; 22. protrusion; 23. arc groove; 24. spring; 25. movable rod; 26. plug block; 27. stop block; 28. first pull ear; 29. ​​second pull ear. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] Example

[0026] See also Figure 1-Figure 4The utility model provides a technical solution: a lifting platform for railway engineering construction, including a lifting mechanism 1 and a rainproof mechanism 2.

[0027] In this embodiment, specifically: after the motor 11 drives the worm 14 to rotate clockwise or counterclockwise, the two worm wheels 13 can drive the rotating shaft 15 to rotate under the action of the worm 14, so that the rotating shaft 15 can drive the connecting arm 17 to rotate, and then the movable plate 18 can move upward or downward on the vertical plate 12 under the action of the connecting arm 17, so that the staff standing on the lifting plate 19 can be lifted or moved downward;

[0028] Among them, the lifting mechanism 1 includes a base 10, on the top of which a motor 11 and a vertical plate 12 are fixedly installed, the output shaft of the motor 11 is fixedly connected to a worm 14, both sides of the worm 14 are meshingly connected to worm wheels 13, and the interiors of the two worm wheels 13 are fixedly embedded with rotating shafts 15, on the outer wall of the rotating shaft 15 a block 16 is rotatably connected, the bottom of the block 16 is fixedly connected to the base 10, both ends of the rotating shaft 15 are fixedly connected to connecting arms 17, the interior of the connecting arm 17 is movably connected to a movable plate 18, one side of the movable plate 18 is movably connected to the vertical plate 12, and the top of the movable plate 18 is fixedly connected to a lifting plate 19.

[0029] In this embodiment, specifically: when the top cover 21 rotates to the top position of the bracket 20, the protrusion 22 can be driven to squeeze the plug 26, so that the plug 26 can slide into the arc groove 23 along the outer side of the protrusion 22 under the action of the spring 24, so that the protrusion 22 can be positioned, so that the top cover 21 can be fixed on the top of the bracket 20 for rain protection, and when the top cover 21 is turned to one side of the bracket 20 for folding, another group of plugs 26 can position the protrusion 22, so as to facilitate the fixing of the folded top cover 21, and then facilitate the staff to use the top cover 21 according to actual needs;

[0030] Among them, the rainproof mechanism 2 includes a bracket 20 fixedly connected to the top of the lifting plate 19, a top cover 21 is hinged on one side of the bracket 20, and protrusions 22 are fixedly connected on both sides of the top cover 21. An arc-shaped groove 23 is opened on one side of the protrusion 22. Two movable rods 25 are slidably connected inside the bracket 20, and one end of the two movable rods 25 is fixedly connected to an insert block 26 for inserting into the arc-shaped groove 23. A spring 24 is mounted on the movable rod 25, and the two ends of the spring 24 are fixedly connected to the insert block 26 and the bracket 20 respectively.

[0031] It should be noted that: in order to facilitate the protrusion 22 to squeeze the plug 26, the contact surfaces of the protrusion 22 and the plug 26 are both hemispherical structures, and the plug 26 can always stay at the center line position of the moving trajectory of the protrusion 22 under the limiting action of the spring 24.

[0032] In this embodiment, specifically: in order to facilitate moving the base 10 to a specified position, universal wheels 103 are evenly and fixedly installed on the bottom of the base 10 .

[0033] In this embodiment, specifically: in order to enable the connecting arm 17 to rotate while driving the rod body 104 to slide inside the slide groove 102, so that the movable plate 18 can be lifted or moved down through the rod body 104 under the action of the connecting arm 17, a slide groove 102 is opened inside the connecting arm 17, and the inner side wall of the slide groove 102 is slidably connected to the rod body 104, and one end of the rod body 104 is fixedly connected to the movable plate 18.

[0034] In this embodiment, specifically: in order to keep the movable plate 18 stable when moving up and down, a slide rail 101 is fixedly installed on one side of the vertical plate 12 , and one side of the slide rail 101 is slidably connected to the movable plate 18 .

[0035] In this embodiment, specifically: in order to facilitate pushing of the device, a handle 106 is fixedly connected to the vertical plate 12 , and a rubber sleeve 107 is fixedly sleeved on the handle 106 .

[0036] In this embodiment, specifically: in order to facilitate pulling the movable rod 25 and thereby facilitate pulling the plug 26 out of the arc-shaped groove 23, a stopper 27 is fixedly connected to one end of the movable rod 25 away from the plug 26, and a first pull ear 28 is fixedly connected to one side of the stopper 27;

[0037] In order to facilitate the rotation of the top cover 21 , a second pull ear 29 is fixedly connected to one side of the top cover 21 .

[0038] In this embodiment, specifically: in order to enable the staff to more conveniently board the lifting platform 19 , an auxiliary ladder 105 is fixedly connected to one side of the lifting platform 19 .

[0039] Working principle: after the motor 11 drives the worm 14 to rotate clockwise or counterclockwise, the two worm wheels 13 can drive the rotating shaft 15 to rotate under the action of the worm 14, so that the rotating shaft 15 can drive the connecting arm 17 to rotate, and then the movable plate 18 can move upward or downward on the vertical plate 12 under the action of the connecting arm 17, so that the staff standing on the lifting plate 19 can be lifted or moved down. In addition, when the top cover 21 rotates to the top position of the bracket 20, it can drive the protrusion 22 to squeeze the plug block 26, so that the plug block 26 can slide into the arc-shaped groove 23 along the outer side of the protrusion 22 under the action of the spring 24, so that the protrusion 22 can be positioned, so that the top cover 21 can be fixed on the top of the bracket 20 for rain protection, and when the top cover 21 is flipped to one side of the bracket 20 for folding, another set of plug blocks 26 can position the protrusion 22, so as to facilitate the fixing of the folded top cover 21, and then facilitate the staff to use the top cover 21 according to actual needs.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting platform for railway engineering construction, characterized by: It comprises a lifting mechanism (1) and a rainproof mechanism (2); The lifting mechanism (1) comprises a base (10), a motor (11) and a vertical plate (12) are fixedly mounted on the top of the base (10), a worm (14) is fixedly connected to the output shaft of the motor (11), worm wheels (13) are meshedly connected to the two sides of the worm (14), rotating shafts (15) are fixedly embedded inside the two worm wheels (13), a block (16) is rotatably connected to the outer wall of the rotating shaft (15), the bottom of the block (16) is fixedly connected to the base (10), connecting arms (17) are fixedly connected to the two ends of the rotating shaft (15), a movable plate (18) is movably connected to the interior of the connecting arm (17), one side of the movable plate (18) is movably connected to the vertical plate (12), and a lifting plate (19) is fixedly connected to the top of the movable plate (18); The rainproof mechanism (2) comprises a bracket (20) fixedly connected to the top of the lifting plate (19), a top cover (21) being hingedly connected to one side of the bracket (20), protrusions (22) being fixedly connected to both sides of the top cover (21), an arc-shaped groove (23) being provided on one side of the protrusion (22), two movable rods (25) being slidably connected inside the bracket (20), one end of each of the two movable rods (25) being fixedly connected to an insert block (26) for inserting into the arc-shaped groove (23), a spring (24) being mounted on the movable rod (25), and two ends of the spring (24) being fixedly connected to the insert block (26) and the bracket (20) respectively.

2. A lifting platform for railway engineering construction according to claim 1, characterized in that: Universal wheels (103) are evenly and fixedly mounted on the bottom of the base (10).

3. A lifting platform for railway engineering construction according to claim 1, characterized in that: A sliding groove (102) is provided inside the connecting arm (17), and a rod body (104) is slidably connected to the inner wall of the sliding groove (102), and one end of the rod body (104) is fixedly connected to the movable plate (18).

4. A lifting platform for railway engineering construction according to claim 1, characterized in that: A slide rail (101) is fixedly mounted on one side of the vertical plate (12), and one side of the slide rail (101) is slidably connected to the movable plate (18).

5. A lifting platform for railway engineering construction according to claim 4, characterized in that: A handle (106) is fixedly connected to the vertical plate (12), and a rubber sleeve (107) is fixedly sleeved on the handle (106).

6. A lifting platform for railway engineering construction according to claim 1, characterized in that: One end of the movable rod (25) away from the inserting block (26) is fixedly connected to a stopper (27), and one side of the stopper (27) is fixedly connected to a first pull ear (28).

7. A lifting platform for railway engineering construction according to claim 1, characterized in that: A second pull ear (29) is fixedly connected to one side of the top cover (21).

8. The lifting platform for railway engineering construction according to claim 1, characterized in that: An auxiliary ladder (105) is fixedly connected to one side of the lifting plate (19).

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