Novel safety platform ladder

Abstract

The utility model relates to the technical field of safety engineering, and discloses a novel safety platform ladder which comprises first ladder side rods, second fixing pieces are fixedly connected to the upper sides of the outer walls of the two first ladder side rods, the right ends of the second fixing pieces are rotationally connected with the second ladder side rods, and sliding rods are fixedly connected to the middles of the left sides of the two second ladder side rods. The bottom of the right end of the protective handrail is fixedly connected with an anti-falling net, the bottom end of the anti-falling net is fixedly connected with the top of the rotating folding rod, the adjacent sides of the two first ladder side rods are fixedly connected with a plurality of pedals, the top ends of the first ladder side rods are provided with damping mechanisms, and the damping mechanisms are used for damping the safety platform ladder. According to the safety platform ladder, when the safety platform ladder is used, a worker can step on the wide platform plate through the pedals, and under the auxiliary action of the protective handrails and the anti-falling net, the safety of the worker can be protected to the maximum extent, and the use safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of safety engineering, especially to a novel safety platform ladder. BACKGROUND

[0002] The safety platform ladder is a kind of climbing operation equipment, which is mainly composed of a ladder frame structure with stable steps or platform, and is provided with various safety protection devices to ensure the safety of users during high-altitude operation. From the structure, the ladder frame is the basic part, which is used to support the weight of the entire device and the user. The ladder frame is usually made of strong materials such as metal, which can provide sufficient strength and stability to ensure that the ladder will not easily deform or be damaged during use. The steps or platform are the parts where the user stands. The platform has a larger area than the steps, which can provide a wider working space for the user to place tools and equipment. The safety protection device is a key feature of the safety platform ladder, which includes a protective fence around the platform. The height is sufficient to prevent accidental falling of the user. It usually meets the height dimension specified in the relevant safety standards, which can effectively block the user's body from crossing the edge of the platform.

[0003] According to the search, the Chinese patent publication No. CN208486816U discloses a novel safety platform ladder, which includes a pair of first ladder side rods, a pair of side rod connecting sleeves, a pair of rotating connecting shafts, a pair of second ladder side rods, a plurality of ladder steps, a pair of ladder handrails, a first limiting rail, a second limiting rail, a working step, a plurality of connecting bolts, a fall-preventing net surface, and a plurality of anti-skid bases. The side rod connecting sleeve is sleeved on the first ladder side rod, and the second ladder side rod is connected to the side rod connecting sleeve through the rotating connecting shaft. The ladder steps are arranged between the first ladder side rod and the second ladder side rod. The ladder handrails, the first limiting rail, the second limiting rail, and the working step are connected to the first ladder side rod through the connecting bolts. The fall-preventing net surface is installed between the first limiting rail and the working step. The plurality of anti-skid bases are respectively arranged at the lower ends of the pair of first ladder side rods and the pair of second ladder side rods. The utility model can effectively prevent the harm caused by accidental falling of the staff through the net surface, and improve the use safety. However, the above structure does not consider that the space available for operation and stepping on the ladder by the staff is small, which is not conducive to maintaining the body stability of the staff and the convenience of operation, and may cause accidental falling accidents. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a novel safety platform ladder, which aims to improve the problem that the space available for operation and stepping on the ladder by the staff is small in the prior art, which is not conducive to maintaining the body stability of the staff and the convenience of operation, and may cause accidental falling accidents.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a novel safety platform ladder, including ladder side pole no.

[0006] Through the above technical scheme: two the outer wall upper side fixed connection of ladder side pole no. The right -hand side of fixed piece no. Two the left side middle part fixed connection of ladder side pole no. The outer wall sliding connection of slide rod has fixed sliding slot, the left end of fixed sliding slot and the right -hand side middle part fixed connection of ladder side pole no. Two the side away from each other of ladder side pole no. The right -hand side bottom fixed connection of guardrail has anti -fall net, the bottom of anti -fall net and the top fixed connection of rotary folding pole, two the adjacent side fixed connection of ladder side pole no. The top of ladder side pole no. The damping mechanism is used for the damping effect of safety platform ladder to ensure that the user can obtain better security guarantee in the use process.

[0007] As further described in the above technical scheme:

[0008] The damping mechanism includes a rotating rod, the outer wall front and back end of the rotating rod is rotatably connected with the front and back side of the ladder side pole, the outer wall middle part of the rotating rod is rotatably connected with a work platform, the inner wall all around of the work platform is fixedly connected with a fixed part one, the other end of a plurality of fixed parts one is rotatably connected with a rotating plate, the other end of the rotating plate is rotatably connected, both ends are fixedly connected with a support disc, the bottom of the rotating plate is fixedly connected with a sliding column, the bottom end of the sliding column is fixedly connected with a spring, the outer wall of the spring is slidingly connected with a fixed column, the bottom end of the fixed column is fixedly connected with the inner side bottom of the work platform, the top of the support disc is fixedly connected with a platform plate, and the outer wall of the platform plate is slidingly connected with the inner wall of the work platform.

[0009] Through the technical scheme, the damping mechanism comprises a rotating rod, the front and rear ends of the outer wall of the rotating rod are connected to the front and rear sides of the ladder side rod one through rotating connection, the middle part of the outer wall of the rotating rod is fixedly connected with a working platform through rotating connection, the inner wall of the working platform is fixedly connected with a plurality of fixing members one around, the other end of the fixing members one is connected with a plurality of rotating plates through rotating connection, the other end of each rotating plate is also connected with other structures through rotating connection, in the structure, the two ends of the rotating plate are fixedly connected with a support disc, the top of the support disc is fixedly connected with a platform plate, the outer wall of the platform plate is connected with the inner wall of the working platform through sliding connection, so as to provide a certain activity space, the bottom of the rotating plate is fixedly connected with a sliding column, the bottom end of the sliding column is fixedly connected with a spring, the outer wall of the spring is slidingly connected with a fixed column, the bottom end of the fixed column is connected with the inner bottom of the working platform through fixed connection, so as to ensure the stability of the whole structure, the damping mechanism can effectively absorb and disperse vibration, so as to protect the operators and equipment on the working platform from the influence of vibration.

[0010] Further description of the above technical scheme:

[0011] The adjacent side of each of the two ladder side rods one is fixedly connected with a plurality of steps, the top of each of the plurality of steps is fixedly connected with a plurality of anti-skid strips.

[0012] Through the above technical scheme, the adjacent side of each of the two ladder side rods one is fixedly connected with a plurality of steps, the steps are designed to be evenly distributed on the length of the side rod one, and the top of each of the plurality of steps is fixedly connected with a plurality of anti-skid strips, which are arranged to ensure that the user's feet can obtain sufficient friction when using the ladder, thereby reducing the risk of slipping.

[0013] Further description of the above technical scheme:

[0014] The bottom end of each of the two ladder side rods one is fixedly connected with a base, and the bottom of the base is fixedly connected with an anti-skid pad one.

[0015] Through the above technical scheme, the bottom end of each of the two ladder side rods one is fixedly connected with a base, which not only enhances the stability of the ladder, but also improves the safety thereof, and the bottom of the base is further fixedly connected with an anti-skid pad one, which provides additional grip and stability for the ladder when used on various ground, thereby effectively preventing slipping and accidents.

[0016] Further description of the above technical scheme:

[0017] The bottom end of each of the two ladder side rods two is rotatably connected with a rotating member, and the bottom of the rotating member is fixedly connected with an anti-skid pad two.

[0018] Through the technical scheme, the bottom ends of the two ladder side rods two are connected to each other through rotating connectors, the rotating connectors allow the side rod two to rotate freely within a certain range to adapt to different ground conditions, the bottom of the rotating connector is fixedly connected with a non-slip pad two, and the non-slip pad two can effectively prevent the ladder from sliding during use, thereby ensuring the safety of the user.

[0019] Further description is made to the technical scheme as follows:

[0020] The left middle part of the guardrail is fixedly connected with a handrail two, and the left middle part of the two ladder side rods one is fixedly connected with a handrail one.

[0021] Through the technical scheme, the left middle part of the guardrail is designed to be fixedly connected with a handrail two, so as to provide additional support and safety protection for the user, and the left middle part of the two ladder side rods one is also fixedly connected with a handrail one, thereby enhancing the stability and safety of the ladder.

[0022] Further description is made to the technical scheme as follows:

[0023] The front and rear sides of the working platform are provided with sliding grooves, and the inner walls of the sliding grooves are slidably connected with moving columns.

[0024] Through the technical scheme, the front and rear sides of the working platform are provided with sliding grooves, the sliding grooves are designed to allow sliding action to be performed therein, and the inner walls of the sliding grooves are slidably connected with moving columns, so that the moving columns can move freely along the length direction of the sliding grooves, thereby providing flexible positioning and adjustment functions for the working platform.

[0025] Further description is made to the technical scheme as follows:

[0026] The outer wall of the moving column is rotatably connected with a moving rod, and the other end of the moving rod is fixedly connected with an adjacent side of the ladder side rod two.

[0027] Through the technical scheme, the outer wall of the moving column is rotatably connected with a moving rod, and the other end of the moving rod is fixedly connected with an adjacent side of the ladder side rod two, thereby ensuring the stability and reliability between the moving rod and the ladder side rod two.

[0028] The utility model has the advantages of the following beneficial effects:

[0029] 1. The utility model discloses a safe platform ladder, when using the safe platform ladder, first rotate ladder side pole no. 2, under the rotating action of ladder side pole no. 2, make the slide bar slide, after adjusting to certain angle, the staff can step on the wide platform board through the pedal, under the auxiliary action of the guardrail and the anti -fall net, can maximum limit protection staff's safety, can effectively prevent the harm that the staff is caused because of accidental falling through the net surface, improve use safety.

[0030] 2. The utility model discloses a safe platform ladder, when the staff stands to the platform board and works, the shaking force that generates will be passed to the support disc by the platform board, then under the downward movement of the support disc, will make the sliding column all around slide down, and under the buffering action of the spring, make the rotating plate rotate and drive the support disc reset, through this, can effectively buffer the shaking force that the work generates, can keep the stability of the safe platform ladder, is favorable to improve use safety. DRAWINGS

[0031] Figure 1 It is the front side perspective drawing of a novel safe platform ladder that the utility model proposes;

[0032] Figure 2 It is the ladder side pole no. 2 structure display drawing of a novel safe platform ladder that the utility model proposes;

[0033] Figure 3 It is the anti -fall net structure schematic view of a novel safe platform ladder that the utility model proposes;

[0034] Figure 4 It is the support disc structure display drawing of a novel safe platform ladder that the utility model proposes;

[0035] Figure 5 It is the fixed column structure split drawing of a novel safe platform ladder that the utility model proposes.

[0036] Legend:

[0037] 1, ladder side pole no. 1;2, damping mechanism;201, rotating rod;202, work platform;203, fixed part no. 1;204, rotating plate;205, fixed column;206, support disc;207, sliding column;208, spring;209, fixed column;210, sliding groove;211, moving column;212, moving rod;213, platform board;3, fixed part no. 2;4, ladder side pole no. 2;5, fixed sliding slot;6, slide bar;7, fixed block;8, guardrail;9, rotating folding rod;10, anti -fall net;11, pedal;12, antiskid strip;13, handrail no. 1;14, base;15, antiskid pad no. 1;16, rotating part;17, antiskid pad no. 2;18, handrail no. 2. DETAILED DESCRIPTION

[0038] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0039] Please refer to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application. Figure 1 - the drawings of the present application Figure 3 The present application provides an embodiment: a novel safety platform ladder, comprising a ladder side rod one 1, the outer wall of the two ladder side rod one 1 is fixedly connected with a fixing piece two 3, the right end of the fixing piece two 3 is rotatably connected with a ladder side rod two 4, the left side of the middle part of the two ladder side rod two 4 is fixedly connected with a sliding rod 6, the outer wall of the sliding rod 6 is slidably connected with a fixed sliding groove 5, the left end of the fixed sliding groove 5 is fixedly connected with the right side of the middle part of the ladder side rod one 1, the side away from each other of the two ladder side rod one 1 is fixedly connected with a plurality of fixed blocks 7, the left end of the fixed block 7 is fixedly connected with a protective rail 8, the protective rail 8 provides additional safety protection, the side away from each other of the two ladder side rod two 4 is rotatably connected with a rotating folding rod 9, the right end of the bottom of the protective rail 8 is fixedly connected with a fall prevention net 10, the fall prevention net 10 further enhances the safety performance, the bottom end of the fall prevention net 10 is fixedly connected with the top of the rotating folding rod 9, the side adjacent to each other of the two ladder side rod one 1 is fixedly connected with a plurality of steps 11, the top end of the ladder side rod one 1 is provided with a damping mechanism 2, the damping mechanism 2 is used for damping effect of the safety platform ladder, the damping mechanism 2 is specially designed for damping effect of the safety platform ladder, to absorb the vibration generated in the use process, to ensure the safety of the user.

[0040] Specific, including ladder side pole 1, two ladder side pole 1 outer wall side fixedly connected with fixed part two 3, fixed part two 3 right end is connected with ladder side pole two 4 through rotating connection, two ladder side pole two 4 left side middle part is fixedly connected with slide bar 6, the outer wall of slide bar 6 is slidably connected with fixed slide groove 5, the left end of fixed slide groove 5 is fixedly connected with the right side middle part of ladder side pole one 1, which ensures the stability of the structure, the far side of two ladder side pole one 1 is fixedly connected with a plurality of fixed blocks 7, the left end of the fixed blocks 7 is fixedly connected with the guardrail 8, in order to provide additional safety protection, the far side of two ladder side pole two 4 is connected with rotating folding pole 9 through rotating connection, so that the structure is more flexible, the right end bottom of guardrail 8 is fixedly connected with anti-falling net 10, the bottom end of anti-falling net 10 is fixedly connected with the top of rotating folding pole 9, which further enhances the safety performance, the adjacent side of two ladder side pole one 1 is fixedly connected with a plurality of steps 11, which facilitates the user to move up and down, the top of ladder side pole one 1 is provided with damping mechanism 2, which is specially designed for damping effect on safety platform ladder, to absorb the vibration generated in the use process, to ensure the safety of the user.

[0041] Please refer to the attached Figure 4 - attached Figure 5 , damping mechanism 2 includes rotating rod 201, the outer wall of rotating rod 201 is rotatably connected with the front and rear sides of ladder side pole one 1, the outer wall of rotating rod 201 is rotatably connected with working platform 202, the inner wall of working platform 202 is fixedly connected with fixed part one 203, the other end of a plurality of fixed part one 203 is rotatably connected with rotating plate 204, the other end of rotating plate 204 is rotatably connected with 205, the two ends of 205 are fixedly connected with support disc 206, support disc 206 provides additional support point for the whole damping mechanism 2, the bottom of rotating plate 204 is fixedly connected with slide column 207, the bottom end of slide column 207 is fixedly connected with spring 208, spring 208 plays a buffering role when the mechanism is impacted or vibrated, to protect the whole mechanism from damage, the outer wall of spring 208 is slidably connected with fixed column 209, the bottom end of fixed column 209 is fixedly connected with the inner bottom of working platform 202, the top of support disc 206 is fixedly connected with platform plate 213, the outer wall of platform plate 213 is slidably connected with the inner wall of working platform 202;

[0042] Specifically, the damping mechanism 2 includes a rotating rod 201, which is an important component, and the front and rear ends of the outer wall thereof are connected to the front and rear sides of the ladder side rod one 1 through a rotating connection, so as to adapt to different working environments and needs. In the middle of the outer wall of the rotating rod 201, there is a working platform 202 which is rotatably connected. The working platform 202 is the main place for the operator to work, and the inner wall thereof is fixedly connected with a plurality of fixed parts one 203 around. The fixed parts one 203 enhance the structural strength of the working platform 202, and the other end of the plurality of fixed parts one 203 is rotatably connected with a rotating plate 204. The rotating plate 204 is a key component for connecting the working platform 202 and the supporting structure. The other end of the rotating plate 204 is continuously extended and connected with 205. The two ends of 205 are fixedly connected with a supporting disc 206. The supporting disc 206 provides an additional support point for the entire damping mechanism 2. The bottom of the rotating plate 204 is also fixedly connected with a sliding column 207. The design of the sliding column 207 allows the mechanism to be adjusted in the vertical direction to adapt to different ground height differences. The bottom end of the sliding column 207 is fixedly connected with a spring 208. The spring 208 plays a buffering role when the mechanism is impacted or vibrated, protecting the entire mechanism from damage. The outer wall of the spring 208 is slidably connected with a fixed column 209. The bottom end of the fixed column 209 is fixedly connected with the inner bottom of the working platform 202, further enhancing the stability of the mechanism. The top of the supporting disc 206 is fixedly connected with a platform plate 213. The outer wall of the platform plate 213 is slidably connected with the inner wall of the working platform 202.

[0043] Please refer to the attached Figure 1 - attached Figure 2 The top of each of the plurality of steps 11 is fixedly connected with a plurality of anti-skid strips 12. The anti-skid strips 12 can provide additional grip, thereby reducing the risk of slipping when using the ladder. The bottom end of the two ladder side rods one 1 is fixedly connected with a base 14. The bottom of the base 14 is fixedly connected with an anti-skid pad one 15. The bottom end of the two ladder side rods two 4 is rotatably connected with a rotating part 16. The bottom of the rotating part 16 is fixedly connected with an anti-skid pad two 17.

[0044] Specifically, the two ladder side bars one 1 are fixedly connected with a plurality of steps 11 on the adjacent side, which are designed to ensure the safety and comfort of the user, and the top of each step 11 is fixedly connected with a plurality of anti-skid strips 12, which can provide additional grip to reduce the risk of slipping when using the ladder, the bottom end of the two ladder side bars one 1 is fixedly connected with a base 14, and the bottom of the base 14 is fixedly connected with anti-skid pads one 15, which can ensure that the ladder remains stable on various ground surfaces and prevents sliding or toppling, the bottom end of the two ladder side bars two 4 is rotatably connected with a rotating piece 16, which allows the ladder side bars two 4 to rotate freely within a certain range to adapt to different use environments, and the bottom of the rotating piece 16 is fixedly connected with anti-skid pads two 17, which can also provide additional stability to ensure that the rotating piece 16 does not slip during use, thereby ensuring the safety and reliability of the entire ladder structure.

[0045] Please refer to the attached Figure 2 - attached Figure 3 , the left end of the guardrail 8 is fixedly connected with a handrail two 18, which is designed to provide additional safety support and gripping points for the user, and the left end of the two ladder side bars one 1 is fixedly connected with a handrail one 13, which is also designed to provide a safe grip for the user when climbing or using the ladder, and the front and rear sides of the working platform 202 are provided with a plurality of sliding grooves 210, the inner walls of the sliding grooves 210 are slidably connected with a plurality of moving columns 211, and the outer walls of the moving columns 211 are rotatably connected with a plurality of moving rods 212, which allows the moving rods 212 to be adjusted in the vertical direction, and the other end of the moving rods 212 is fixedly connected with the adjacent side of the ladder side bars two 4;

[0046] Specifically, the left end of the guardrail 8 is fixedly connected with a handrail two 18, which is designed to provide additional safety support and gripping points for the user, and the left end of the two ladder side bars one 1 is fixedly connected with a handrail one 13, which is also designed to provide a safe grip for the user when climbing or using the ladder, and the front and rear sides of the working platform 202 are provided with a plurality of sliding grooves 210, the design of the sliding grooves 210 allows smooth sliding operation therein, the inner walls of the sliding grooves 210 are slidably connected with a plurality of moving columns 211, which can move horizontally along the sliding grooves 210, the outer walls of the moving columns 211 are rotatably connected with a plurality of moving rods 212, which allows the moving rods 212 to be adjusted in the vertical direction, and the other end of the moving rods 212 is fixedly connected with the adjacent side of the ladder side bars two 4, ensuring the stability and functionality of the entire structure.

[0047] Working principle: when using this safety platform ladder, first rotate the ladder side rod two 4, under the rotating action of the ladder side rod two 4 will make the slide rod 6 slide, after adjusting to a certain angle, the staff can step on the platform plate 213 through the pedal 11, under the auxiliary action of the guardrail 8 and the fall prevention net 10, the safety of the staff can be maximally protected, which is beneficial to keep the body of the staff stable and the convenience of operation, can effectively prevent the staff from being hurt due to accidental falling through the net surface, and improve the use safety;

[0048] When the staff stands on the platform plate 213 to work, the shaking force generated will be transmitted to the support disc 206 by the platform plate 213, then under the downward movement of the support disc 206, the sliding columns 207 around are slid downward, and under the buffering action of the spring 208, the rotating plate 204 is rotated and drives the support disc 206 to reset, thus the shaking force generated by the work can be effectively buffered, the stability of the safety platform ladder can be kept, and the use safety is improved.

[0049] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A new safety platform ladder comprising a ladder side rod one (1), characterized in that: Two outer walls of the ladder side rod one (1) are fixedly connected with the second fixing part (3), the right end of the second fixing part (3) is rotatably connected with the ladder side rod two (4), the left side of the middle part of the two ladder side rod two (4) is fixedly connected with the sliding rod (6), the outer wall of the sliding rod (6) is slidably connected with the fixed sliding groove (5), the left end of the fixed sliding groove (5) is fixedly connected with the right side of the middle part of the ladder side rod one (1), the side away from each other of the two ladder side rod one (1) is fixedly connected with a plurality of fixed blocks (7), the left end of the fixed block (7) is fixedly connected with the protective rail (8), the side away from each other of the two ladder side rod two (4) is rotatably connected with the rotating folding rod (9), the right end bottom of the protective rail (8) is fixedly connected with the anti-falling net (10), the bottom of the anti-falling net (10) is fixedly connected with the top of the rotating folding rod (9), the side adjacent to each other of the two ladder side rod one (1) is fixedly connected with a plurality of steps (11), the top of the ladder side rod one (1) is provided with the damping mechanism (2), and the damping mechanism (2) is used for damping effect of the safety platform ladder.

2. A new safety platform ladder according to claim 1, characterized in that: The damping mechanism (2) comprises a rotating rod (201), the front and rear ends of the outer wall of the rotating rod (201) are rotatably connected with the front and rear sides of the ladder side rod one (1), the middle part of the outer wall of the rotating rod (201) is rotatably connected with a working platform (202), the inner wall of the working platform (202) is fixedly connected with a first fixing part (203) around, the other end of the plurality of first fixing parts (203) is rotatably connected with a rotating plate (204), the other end of the rotating plate (204) is rotatably connected with (205), the two ends of (205) are fixedly connected with a supporting disc (206), the bottom of the rotating plate (204) is fixedly connected with a sliding column (207), the bottom of the sliding column (207) is fixedly connected with a spring (208), the outer wall of the spring (208) is slidably connected with a fixed column (209), the bottom of the fixed column (209) is fixedly connected with the inner bottom of the working platform (202), the top of the supporting disc (206) is fixedly connected with a platform plate (213), and the outer wall of the platform plate (213) is slidably connected with the inner wall of the working platform (202).

3. A new safety platform ladder according to claim 1 characterized by: The side adjacent to each other of the two ladder side rod one (1) is fixedly connected with a plurality of steps (11), and the top of the plurality of steps (11) is fixedly connected with a plurality of anti-skid strips (12).

4. A new safety platform ladder according to claim 1, characterized in that: The bottom of the two ladder side rod one (1) is fixedly connected with a base (14), and the bottom of the base (14) is fixedly connected with an anti-skid pad one (15).

5. A new safety platform ladder according to claim 1 characterized by: The bottom of the two ladder side rod two (4) is rotatably connected with a rotating part (16), and the bottom of the rotating part (16) is fixedly connected with an anti-skid pad two (17).

6. A new safety platform ladder according to claim 1 characterized by: The left end of the middle part of the protective rail (8) is fixedly connected with a handrail two (18), and the left end of the middle part of the two ladder side rod one (1) is fixedly connected with a handrail one (13).

7. A new safety platform ladder according to claim 2, characterized in that: The front and rear sides of the working platform (202) are provided with sliding grooves (210), and the inner walls of the sliding grooves (210) are slidably connected with moving columns (211).

8. A new safety platform ladder according to claim 7, characterized in that: The outer wall of the moving column (211) is rotatably connected with a moving rod (212), and the other end of the moving rod (212) is fixedly connected with the adjacent side of the second ladder side rod (4).

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