Safe anti-falling device

Abstract

The utility model relates to the technical field of house building construction, and discloses a safety anti-falling device which comprises a bottom plate and further comprises a working platform arranged at the top of the bottom plate, a sliding cavity is formed in one side of the working platform, and anti-falling assemblies are arranged on the front face and the back face of the working platform and an inner cavity of the sliding cavity. The anti-falling assembly comprises mounting bases fixed to the two sides of the front face and the back face of the working platform, supporting rods are fixedly connected to the inner walls of the mounting bases, firstly, during use, construction tools, construction materials or workers in the construction process can be subjected to anti-falling treatment through a first anti-falling net plate and a second anti-falling net plate arranged on the anti-falling assembly, and the construction tools, the construction materials or the workers can be prevented from falling; and meanwhile, through cooperative use of supporting rods, first connecting rods, check blocks and fixing blocks, the two first anti-falling net plates can be automatically unfolded and closed through lifting and falling of the working platform, and the second anti-falling net plates can be more conveniently pulled out and put back through arrangement of sliding blocks and sliding cavities.

Description

TECHNICAL FIELD

[0001] The utility model relates to house building construction technical field, concretely is a safe anti -fall device. BACKGROUND

[0002] When high-altitude operation is carried out in the house that is not completed, the construction platform is often needed, but when the construction materials and tools accidentally fall from the construction platform, not only will be damaged and destroy the construction site, and seriously can also hurt other construction personnel, therefore the process of house building construction must take certain anti -fall measures to avoid such accidents.

[0003] However, the current device when in use, the anti -fall net is generally placed manually by the worker, moves the construction platform after completing a construction, and the anti -fall net needs to be recovered and installed again correspondingly, and it is more time -consuming, increases the construction cost. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of safe anti -fall device to solve the problem of anti -fall net installation and disassembly are not convenient, after moving construction platform, need to recover anti -fall net again and install, time -consuming, increase construction cost.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of safe anti -fall device, including bottom plate, still including: the working platform of setting at the top of bottom plate, the side of the working platform is equipped with sliding cavity, the inner chamber of the front and back of the working platform and sliding cavity are all provided with anti -fall component, the anti -fall component includes the mounting seat fixed to the front and back of working platform two sides, the inner wall of mounting seat is fixedly connected with support rod, the inner wall of mounting seat at the bottom of support rod is integrally formed with stopper, the outer wall of support rod is rotatably connected with connecting rod one, the one end of connecting rod one is fixedly connected with anti -fall net board one, the inner wall front and back of sliding cavity are all slidably connected with sliding block, two the sliding block between fixedly connected with anti -fall net board two;

[0006] fixed column is fixed to the top of working platform four corners, and the opposite side of the transverse two fixed columns is all equipped with sliding slot, the inner wall of sliding slot is slidably connected with slide rod, the top of two slide rods is fixedly connected with connecting rod two, the bottom of connecting rod two is fixedly connected with multiple connecting columns, the outer wall of connecting column is slidably connected with fixed sleeve, and the bottom of fixed sleeve is fixedly connected at the top of working platform.

[0007] Preferably, a plurality of limiting holes are arranged on the inner wall of one side of the slide rod, a limiting assembly is arranged on the inner wall of the limiting hole, the limiting assembly comprises a mounting cavity arranged in the inner part of the connecting rod two, a reset spring is fixedly connected to the inner wall of the mounting cavity, the other end of the reset spring is fixedly connected to a limiting block, and the outer wall of the limiting block is slidingly connected to the inner wall of the mounting cavity.

[0008] Preferably, mounting grooves are arranged on the side walls of the two fixing columns on one side, and a baffle is mounted on the inner wall of the mounting groove on the front face.

[0009] Preferably, a fixing hole is arranged on the top back face of the baffle, a limiting plug rod is movably inserted into the inner wall of the fixing hole, and the outer wall of the limiting plug rod is slidingly connected to the top of the fixing column.

[0010] Preferably, a fixing plate is fixedly connected between the two fixing columns on the other side, the bottom of the fixing plate is fixedly connected to the top of the working platform, and a fixing ring is fixedly connected to one side of the fixing plate.

[0011] Preferably, screw blocks are symmetrically fixedly connected to the other side of the working platform, an adjusting assembly is arranged on the inner wall of the screw block, the adjusting assembly comprises a mounting column slidingly connected to the outer wall of the screw block, and the bottom of the mounting column is fixedly connected to the top of the bottom plate on one side.

[0012] Preferably, a lead screw is rotatably connected to the inner cavity of the mounting column, the outer wall of the lead screw is screwedly connected to the inner wall of the screw block, a transmission gear is arranged on the outer wall top of the lead screw and penetrates through the inner cavity top of the mounting column, and the outer walls of the two transmission gears are meshedly connected with a transmission belt.

[0013] Preferably, a servo motor is arranged on the outer wall bottom of one of the lead screws, the servo motor is arranged in the inner part of the bottom plate, and a protective shell is arranged on the outer wall of the transmission belt.

[0014] Preferably, fixed blocks are movably connected to the front face and the back face of the working platform, a slot is arranged on the outer wall of the fixed block and matches the mounting seat, and the bottom of the fixed block is fixedly connected to the top of the bottom plate.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. Firstly, in use, the anti-falling net plate one and the anti-falling net plate two arranged by the anti-falling assembly can prevent the falling of construction tools, construction materials or workers in the construction process, the cooperation of the supporting rod, the connecting rod one, the stop block and the fixed block can automatically expand and close the two anti-falling net plates one through the lifting and falling of the working platform, and the anti-falling net plate two can be more conveniently taken out and put back through the arrangement of the sliding block and the sliding cavity.

[0017] 2. The utility model discloses, through the setting of limiting hole and limiting component makes the height of connecting rod two and connecting column can adjust, is applicable to the construction personnel of different height, prevents accidental falling, the setting of adjustment component can make the device suitable for different height use scene, and the application range is wide. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure diagram of a preferred embodiment of the safety anti-falling device provided by the utility model is provided;

[0019] Figure 2 Another state structure diagram provided by the utility model is provided;

[0020] Figure 3 The installation and decomposition structure diagram of the anti-falling assembly provided by the utility model is provided;

[0021] Figure 4 The partial decomposition structure diagram provided by the utility model is provided;

[0022] Figure 5 The limiting component structure diagram provided by the utility model is provided;

[0023] Figure 6 The adjustment component structure diagram provided by the utility model is provided.

[0024] In the drawing: 1, bottom plate;2, work platform;3, slide cavity;4, anti-falling assembly;401, mounting seat;402, support rod;403, connecting rod one;404, stopper;405, anti-falling net board one;406, sliding block;407, anti-falling net board two;5, fixed column;6, slide groove;7, sliding rod;8, connecting rod two;9, connecting column;10, fixed sleeve;11, limiting hole;12, limiting component;1201, mounting cavity;1202, reset spring;1203, limiting block;13, mounting groove;14, baffle;15, fixed hole;16, limiting plug;17, fixed block;18, fixed plate;19, fixed ring;20, threaded block;21, adjustment component;2101, mounting column;2102, screw;2103, transmission gear;2104, transmission belt;2105, servo motor;2106, protective shell. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0026] Please refer to Figures 1-6 As shown in the figure, a safety anti-falling device, comprising a base plate 1, further comprising: a working platform 2 arranged on the top of the base plate 1, a sliding cavity 3 is formed on one side of the working platform 2, the front and back surfaces of the working platform 2 and the inner cavities of the sliding cavity 3 are provided with anti-falling assemblies 4, the anti-falling assemblies 4 comprise mounting seats 401 fixed on the front and back surfaces of the working platform 2, support rods 402 are fixedly connected to the inner walls of the mounting seats 401, the inner walls of the mounting seats 401 located at the bottom of the support rods 402 are integrally formed with stoppers 404, connecting rods 403 are rotatably connected to the outer walls of the support rods 402, anti-falling net plates 405 are fixedly connected to one end of the connecting rods 403, sliding blocks 406 are slidably connected to the inner walls of the sliding cavity 3, anti-falling net plate 407 is fixedly connected between the two sliding blocks 406, the front and back surfaces of the working platform 2 are movably connected with fixed blocks 17, and the outer walls of the fixed blocks 17 are provided with grooves corresponding to the mounting seats 401, the bottom of the fixed blocks 17 is fixedly connected to the top of the base plate 1, when the working platform 2 is raised, the anti-falling net plate 405 will be unfolded by one side of the fixedly connected connecting rod 403 on the outer wall of the support rod 402 under the action of gravity after the mounting seat 401 is separated from the groove of the side wall of the fixed block 17, and the inner wall bottom of the mounting seat 401 is integrally formed with the stopper 404, which can support and limit the unfolded anti-falling net plate 405, and the workers can avoid tools, construction debris or personnel falling during construction;

[0027] The fixed columns 5 are fixed to the top of the working platform 2 at four corners, the opposite sides of the two fixed columns 5 are provided with sliding grooves 6, the sliding rods 7 are slidably connected to the inner walls of the sliding grooves 6, the connecting rods 8 are fixedly connected to the top of the two sliding rods 7, the sliding rods 7 and the sliding grooves 6 support and guide the connecting rods 8, the connecting columns 9 are fixedly connected to the bottom of the connecting rods 8, the fixed sleeves 10 are slidably connected to the outer walls of the connecting columns 9, and the bottom of the fixed sleeves 10 is fixedly connected to the top of the working platform 2, the connecting columns 9, the fixed sleeves 10 and the connecting rods 8 together form the effect of adjustable protective fence.

[0028] Reference Figure 4 and Figure 5As shown, a plurality of limiting holes 11 are arranged on the inner wall of the one side slide rod 7, and a limiting assembly 12 is arranged on the inner wall of the limiting hole 11. The limiting assembly 12 comprises a mounting cavity 1201 arranged in the inside of the connecting rod two 8, a reset spring 1202 fixedly connected to the inner wall of the mounting cavity 1201, and a limiting block 1203 fixedly connected to the other end of the reset spring 1202 and slidably connected to the inner wall of the mounting cavity 1201. The limiting block 1203 of the limiting assembly 12 is pressed to enter the inside of the mounting cavity 1201, and the connecting rod two 8 can be pulled up or down to adjust the height, which is suitable for construction personnel of different heights and can better avoid the safety during construction.

[0029] A mounting groove 13 is arranged on the side wall of the two fixed columns 5 on one side, and a baffle 14 is arranged on the inner wall of the front mounting groove 13. A fixing hole 15 is arranged on the top back of the baffle 14, and a limiting plug rod 16 is movably inserted into the inner wall of the fixing hole 15. The outer wall of the limiting plug rod 16 penetrates through and is slidably connected to the top of the fixed column 5. The limiting plug rod 16 plays a role of fixing and limiting the baffle 14.

[0030] A fixed plate 18 is fixedly connected between the two fixed columns 5 on the other side, and the bottom of the fixed plate 18 is fixedly connected to the top of the working platform 2. A fixed ring 19 is fixedly connected to one side of the fixed plate 18, and the fixed ring 19 is connected with the safety belt to further protect the safety of the workers.

[0031] Reference Figure 2 and Figure 6 As shown, a threaded block 20 is symmetrically fixedly connected to the other side of the working platform 2. An adjusting assembly 21 is arranged on the inner wall of the threaded block 20. The adjusting assembly 21 comprises a mounting column 2101 slidably connected to the outer wall of the threaded block 20. The bottom of the mounting column 2101 is fixedly connected to the top of the bottom plate 1. A lead screw 2102 is rotatably connected to the top and bottom of the inner cavity of the mounting column 2101. The outer wall of the lead screw 2102 is threadedly connected to the inner wall of the threaded block 20. A transmission gear 2103 is mounted on the outer wall of the top of the lead screw 2102 and penetrates through the inner cavity of the top of the mounting column 2101. Two transmission gears 2103 are meshingly connected with a transmission belt 2104. The outer wall of the transmission belt 2104 is sleeved with a protective shell 2106. The operation of the servo motor 2105 drives the rotation of the lead screw 2102. The outer wall of the two lead screws 2102 is provided with a transmission gear 2103, and the transmission belt 2104 is connected by meshing connection. The rotation of the two lead screws 2102 drives the threaded block 20 to slide up and down on the inner wall of the mounting column 2101, and drives the working platform 2 fixedly connected to one side of the threaded block 20 to lift, which is more convenient for adjusting the construction height.

[0032] Working principle: the operation of the servo motor 2105 set through the adjusting assembly 21 drives the rotation of the lead screws 2102, the outer wall top of the two lead screws 2102 is respectively provided with a transmission gear 2103, and the transmission gears 2103 are connected through the transmission belt 2104 meshed and connected on the outer wall, the rotation of the two lead screws 2102 drives the threaded block 20 threaded on the outer wall to slide up and down on the inner wall of the mounting column 2101, and the work platform 2 fixedly connected to one side of the threaded block 20 is lifted, so that the construction height is more conveniently adjusted, in use, the staff pulls out the anti-falling net plate two 407, takes out the limiting rod 16, opens the baffle 14, and then enters the top of the work platform 2, then when the work platform 2 is lifted, the mounting seat 401 is separated from the slot on the side wall of the fixed block 17, the anti-falling net plate one 405 falls and expands on the outer wall of the supporting rod 402 through the side fixed connection of the connecting rod one 403 under the action of gravity, and the inner wall bottom of the mounting seat 401 is integrally formed with a stop block 404, which can support and limit the anti-falling net plate one 405 after expansion, the staff can avoid tools, construction sundries or personnel falling during construction, the bottom of the connecting rod two 8 is fixedly connected with a connecting column 9, the outer wall of the connecting column 9 is slidably connected with a fixed sleeve 10, and the adjustable protective fence is formed through the connecting rod two 8, the connecting column 9 and the fixed sleeve 10, and the limiting block 1203 of the pressing limiting assembly 12 is set to enter the inside of the mounting cavity 1201, the connecting rod two 8 can be adjusted in height by being pulled up or down, which is suitable for construction personnel of different heights and can better avoid the safety during construction.

[0033] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a", "comprising", or "includes a", "including" does not, without more constraints, preclude the existence of additional identical elements other than the listed elements.

[0034] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A safety fall arrest device comprising a base plate (1), characterised in that, Also include: The work platform (2) is arranged on the top of the bottom plate (1), one side of the work platform (2) is provided with a sliding cavity (3), the front and back of the work platform (2) and the inner cavity of the sliding cavity (3) are provided with anti-falling assembly (4), the anti-falling assembly (4) includes the mounting seat (401) fixed on the front and back of the work platform (2), the inner wall of the mounting seat (401) is fixedly connected with the supporting rod (402), the inner wall of the mounting seat (401) is integrally formed with the stop block (404) at the bottom of the supporting rod (402), the outer wall of the supporting rod (402) is rotatably connected with the connecting rod (403), one end of the connecting rod (403) is fixedly connected with the anti-falling net plate (405), the inner wall of the sliding cavity (3) is slidably connected with the sliding block (406), the two sliding blocks (406) are fixedly connected with the anti-falling net plate (407). The fixed column (5) is fixed on the top of the work platform (2), the opposite side of the two fixed columns (5) is provided with a sliding slot (6), the inner wall of the sliding slot (6) is slidably connected with the sliding rod (7), the top of the two sliding rods (7) is fixedly connected with the connecting rod (8), the bottom of the connecting rod (8) is fixedly connected with a plurality of connecting columns (9), the outer wall of the connecting column (9) is slidably connected with the fixed sleeve (10), and the bottom of the fixed sleeve (10) is fixedly connected on the top of the work platform (2).

2. The safety fall arrest device of claim 1, wherein: A plurality of limiting holes (11) are formed in the inner wall of the sliding rod (7) on one side, the limiting hole (11) is provided with a limiting assembly (12), the limiting assembly (12) includes an installation cavity (1201) formed in the connecting rod (8), the inner wall of the installation cavity (1201) is fixedly connected with the reset spring (1202), the other end of the reset spring (1202) is fixedly connected with the limiting block (1203), and the outer wall of the limiting block (1203) is slidably connected in the inner wall of the installation cavity (1201).

3. The safety fall arrest device of claim 1, wherein: The inner wall of the installation groove (13) on the front is provided with a baffle (14).

4. The safety fall arrest device of claim 3, wherein: The top of the baffle (14) is provided with a fixed hole (15), the inner wall of the fixed hole (15) is movably inserted with a limiting plug rod (16), and the outer wall of the limiting plug rod (16) is slidably connected in the top of the fixed column (5).

5. The safety fall arrest device of claim 1, wherein: The two fixed columns (5) on the other side are fixedly connected with a fixed plate (18), and the bottom of the fixed plate (18) is fixedly connected on the top of the work platform (2), one side of the fixed plate (18) is fixedly connected with a fixed ring (19).

6. The safety fall arrest device of claim 1, wherein: Another side of the working platform (2) is symmetrically and fixedly connected with a threaded block (20), an adjusting assembly (21) is arranged on the inner wall of the threaded block (20), the adjusting assembly (21) comprises a mounting column (2101) which is slidably connected to the outer wall of the threaded block (20), and the bottom of the mounting column (2101) is fixedly connected to one side of the top of the bottom plate (1).

7. The safety fall arrest device of claim 6, wherein: A screw rod (2102) is rotatably connected to the inner cavity of the mounting column (2101), the outer wall of the screw rod (2102) is screw-connected to the inner wall of the threaded block (20), a transmission gear (2103) is mounted on the top of the outer wall of the screw rod (2102) and penetrates the top of the inner cavity of the mounting column (2101), and the outer walls of the two transmission gears (2103) are meshingly connected with a transmission belt (2104).

8. The safety fall arrest device of claim 7, wherein: A servo motor (2105) is mounted on the bottom of the outer wall of one of the screw rods (2102), and the servo motor (2105) is mounted in the interior of the bottom plate (1), and a protective shell (2106) is sleeved on the outer wall of the transmission belt (2104).

9. The safety fall arrest device of claim 1, wherein: The front face and the back face of the working platform (2) are movably connected with a fixed block (17), a notch which is consistent with the mounting seat (401) is formed in the outer wall of the fixed block (17), and the bottom of the fixed block (17) is fixedly connected to the top of the bottom plate (1).

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