Telescopic protection device for top platform of modular building machine

Abstract

The utility model discloses a telescopic protection device for a top platform of a modular building machine. The telescopic protection device comprises at least two stand columns vertically arranged on the top platform of the building machine in parallel at intervals, a fixed transverse rod and a telescopic transverse rod which are detachably arranged between every two adjacent stand columns, and alarm devices arranged on the stand columns. An automatic telescopic mechanism for automatically adjusting the position of the telescopic cross rod in the fixed cross rod is arranged between the fixed cross rod and the telescopic cross rod; the automatic telescopic mechanism comprises a gear arranged on the inner side face of the fixed transverse rod and a rack arranged on the outer side face of the telescopic transverse rod and meshed with the gear. The alarm device comprises an alarm lamp and a sensor connected with the alarm lamp; the outer wall protective fence can adapt to the situation that the size of an outer wall protective structure changes due to the change of a building structure, construction is facilitated, and meanwhile the adjusting efficiency and the safety risk of the protective fence are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction auxiliary equipment, and more specifically, relates to a retractable protective device for a top platform of a modular building construction machine. Background Art

[0002] In the building construction machines used in high-rise building construction, for the safety of construction, the top construction platform is fully enclosed for protection. The current method is to use mobile guardrails and scaffolding guardrails for assembly and overlap. Due to the different shapes and sizes of buildings, multiple specifications are required for overlap to meet the enclosure of the overall shape. In order to operate the top construction platform, it is necessary to temporarily increase the door opening position and hoisting position of the guardrail. When adding door openings and other positions, the workload of removing the outer guardrail is high. Existing products all rely on manual pulling and retracting of the crossbar, which consumes a lot of manpower and time. In addition, when personnel enter the dangerous area, they cannot detect it, and the safety risk is high. Summary of the invention

[0003] In view of the above defects or improvement needs of the prior art, the utility model provides a retractable protective device for the top platform of a modular building construction machine, which is achieved by vertically arranging at least two columns at parallel intervals on the top platform of the building construction machine, detachably setting a fixed cross bar and a retractable cross bar between two adjacent columns, and fixing the fixed cross bar and the retractable cross bar by cross bar fixing parts; through modular design, each part can be assembled in the factory, and then the modules can be quickly assembled directly at the place of use; the construction time is greatly shortened and the construction cost is saved; an automatic retractable mechanism for automatically adjusting the position of the retractable cross bar in the fixed cross bar is provided between the fixed cross bar and the retractable cross bar; the device can adapt to the change of the size of the external wall protection structure caused by the change of the building structure, and at the same time can improve the adjustment efficiency of the guardrail; an alarm device is provided on the column, and when it is recognized that a person enters a dangerous area, the alarm light gives an alarm prompt, which can ensure the safety of the personnel during construction; the utility model can solve the problem of the need for diversified size of the outer guardrail caused by the diversified size of the building appearance, as well as the long construction time and low safety risk of the existing guardrail.

[0004] In order to achieve the above-mentioned object, the utility model provides a retractable protective device for the top platform of a modular building construction machine, comprising at least two columns arranged vertically and in parallel at intervals on the top platform of the building construction machine, a fixed cross bar and a retractable cross bar detachably arranged between two adjacent columns, and an alarm device arranged on the columns; wherein,

[0005] An automatic telescopic mechanism for automatically adjusting the position of the telescopic crossbar in the fixed crossbar is also provided between the fixed crossbar and the telescopic crossbar;

[0006] The automatic telescopic mechanism comprises a gear disposed on the inner side of the fixed crossbar and a rack disposed on the outer side of the telescopic crossbar and meshing with the gear;

[0007] The alarm device comprises an alarm light and a sensor connected to the alarm light.

[0008] Furthermore, the gear is arranged on a bearing; the bearing is mounted on a bearing mounting seat; the bearing mounting seat is fixed to the inner side surface of the fixed cross bar;

[0009] The center of the bearing is arranged on the rotating shaft; the rotating shaft is rotated by using a hand drill or other tool to drive the gear to move, and then the rack is driven to move forward and backward, so that the telescopic cross bar is telescoped within the fixed cross bar.

[0010] Furthermore, the fixed cross bar and the telescopic cross bar are fixed by a cross bar fixing piece;

[0011] The crossbar fixing member comprises a latch and a cotter pin arranged at one end of the latch.

[0012] Further, the fixed cross bar includes a first hollow rod and first adjustment holes that are evenly spaced longitudinally and penetrate the first hollow rod;

[0013] The telescopic cross bar comprises a second hollow rod and second adjustment holes which are evenly spaced longitudinally and penetrate the second hollow rod;

[0014] One end of the second hollow rod is inserted into the first hollow rod.

[0015] Furthermore, the first adjustment hole and the second adjustment hole are consistent in position, number and size.

[0016] Furthermore, the first hollow rod and the column, and the second hollow rod and the column are fixed by detachable connecting pieces;

[0017] The detachable connecting member comprises a connecting plate connected to the column, and bolts and nuts arranged on the connecting plate.

[0018] Furthermore, the upright posts are hollow rectangular columns; according to actual needs, the fixed cross bars or the telescopic cross bars can be installed on the four sides of each upright post.

[0019] Furthermore, when the outer guardrails of the building top platform are arranged in the same straight line, the adjacent fixed cross bars and telescopic cross bars are arranged on the same or different columns; when they are arranged on the same column, the fixed cross bar and the telescopic cross bar are located in a straight line and on both sides of the column; when they are arranged on different columns, the fixed cross bar and the telescopic cross bar are arranged between two adjacent columns.

[0020] Furthermore, when the outer guardrail of the building top platform needs to be installed on both vertical sides, fixed cross bars are installed on two adjacent outer sides of the column respectively, and a telescopic cross bar is installed on the fixed cross bar, and the other end of the telescopic cross bar is fixed to another column.

[0021] Furthermore, the gear is arranged on the inner side of the first hollow rod; the rack is arranged on the outer side of the second hollow rod; and the bearing mounting seat is fixed on the inner side of the first hollow rod.

[0022] In general, the above technical solutions conceived by the utility model can achieve the following beneficial effects compared with the prior art:

[0023] (1) The utility model is a modular building construction machine top platform retractable protective device, at least two columns are arranged vertically and in parallel at intervals on the top platform of the building construction machine, and a fixed cross bar and a retractable cross bar are detachably set between two adjacent columns, and the fixed cross bar and the retractable cross bar are fixed by cross bar fixing parts; the structure of the utility model is composed of standardized modules or components, each module has specific functions and dimensions; due to the modular design, the size, shape and function of the structure can be adjusted as needed; through the modular design, the various parts can be assembled in the factory and then directly and quickly assembled at the place of use; all assemblies are connected by bolts and nuts, reducing on-site welding work; greatly shortening the construction time; the structure can be easily disassembled and reassembled, and can be suitable for temporary or movable applications; it can also be suitable for the opening of temporary door openings at different positions of the outer guardrail; each component can be reused, which can reduce long-term construction costs; it can adapt to different environments and conditions and has good adaptability.

[0024] (2) The utility model is a modular building construction machine top platform retractable protective device, by providing an automatic retractable mechanism between the fixed cross bar and the retractable cross bar for automatically adjusting the position of the retractable cross bar within the fixed cross bar; the utility model can adapt to the situation where the size of the external wall protection structure changes due to changes in the building structure, thereby facilitating construction and improving the adjustment efficiency of the guardrail.

[0025] (3) The utility model provides a retractable protective device for the top platform of a modular building construction machine, which has an alarm device installed on a column; when the sensor identifies that a person has entered a dangerous area, an alarm light will sound an alarm to ensure the safety of the personnel during construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the three-dimensional structure of a retractable protective device for the top platform of a modular building construction machine according to an embodiment of the utility model;

[0027] Figure 2This is a schematic diagram of the side structure of a retractable protective device for the top platform of a modular building construction machine according to an embodiment of the utility model;

[0028] Figure 3 This is a schematic structural diagram of a fixed cross bar of a retractable protective device on the top platform of a modular building construction machine according to an embodiment of the utility model;

[0029] Figure 4 This is a structural schematic diagram of a detachable connecting piece of a retractable protective device for a top platform of a modular building construction machine according to an embodiment of the utility model ( Figure 1 A (enlarged schematic diagram of the middle part);

[0030] Figure 5 This is a schematic diagram of the structure of an alarm device for a retractable protective device on the top platform of a modular building construction machine according to an embodiment of the utility model ( Figure 1 (a magnified schematic diagram of point B in the middle);

[0031] Figure 6 This is a structural schematic diagram of an automatic telescopic mechanism and a crossbar fixing member of a telescopic protective device for a top platform of a modular building construction machine according to an embodiment of the utility model ( Figure 1 (a magnified schematic diagram of point C in the middle);

[0032] Figure 7 The present invention is a schematic diagram of a top view of a retractable protective device for a top platform of a modular building construction machine according to an embodiment of the present invention.

[0033] In all the drawings, the same figure marks represent the same technical features, specifically: 1-column, 2-fixed cross bar, 21-first hollow rod, 22-first adjustment hole, 3-telescopic cross bar, 31-second hollow rod, 32-second adjustment hole, 4-automatic telescopic mechanism, 41-gear, 42-rack, 43-bearing, 44-bearing mounting seat, 45-rotating shaft, 5-detachable connecting part, 51-connecting plate, 52-bolt, 53-nut, 6-alarm device, 61-alarm light, 62-sensor, 7-cross bar fixing part, 71-latch, 72-cotter pin. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0035] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, when an element is referred to as being "fixed on", "disposed on" or "provided on" another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or indirectly connected to the other element; the terms "installed", "connected", "connected" and "provided with" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal connection of the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0036] In addition, the terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0037] like Figure 1-Figure 7 As shown, the utility model provides a retractable protective device for the top platform of a modular building construction machine, including at least two columns 1 arranged in parallel and spaced apart on the top platform of the building construction machine, a fixed cross bar 2 and a telescopic cross bar 3 detachably arranged between two adjacent columns 1, and an alarm device 6 arranged on the column 1; the fixed cross bar 2 and the telescopic cross bar 3 are fixed by a cross bar fixing piece 7; an automatic telescopic mechanism 4 for automatically adjusting the position of the telescopic cross bar 3 in the fixed cross bar 2 is also provided between the fixed cross bar 2 and the telescopic cross bar 3.

[0038] Furthermore, if Figure 1-Figure 7As shown, the column 1 is a hollow rectangular column; according to actual needs, the fixed cross bar 2 or the telescopic cross bar 3 can be installed on the four sides of each of the columns 1; the fixed cross bar 2 or the telescopic cross bar 3 can be arranged in at least 2 layers in the longitudinal center axis direction of the column 1 to increase the overall safety of the protective device; when the outer guardrail of the building top platform is arranged on the same straight line, the adjacent fixed cross bars 2 and telescopic cross bars 3 are arranged on the same or different columns 1; when they are arranged on the same column 1, the fixed cross bar 2 and the telescopic cross bar 3 are located on a straight line and on both sides of the column 1; when they are arranged on different columns 1, the fixed cross bar 2 and the telescopic cross bar 3 are arranged between two adjacent columns 1; when the outer guardrail of the building top platform needs to be installed on both vertical sides, the fixed cross bar 2 is fixed on the two adjacent faces of the column 1 respectively, the telescopic cross bar 3 is installed on the fixed cross bar 2, and the other end of the telescopic cross bar 3 is fixed to another column 1, and so on.

[0039] Furthermore, if Figure 1-Figure 7 As shown, the fixed cross bar 2 includes a first hollow rod 21 and first adjustment holes 22 that are evenly spaced longitudinally and penetrate the first hollow rod 21; the telescopic cross bar 3 includes a second hollow rod 31 and second adjustment holes 32 that are evenly spaced longitudinally and penetrate the second hollow rod 31; one end of the second hollow rod 31 is inserted into the first hollow rod 21; the position, number and size of the first adjustment hole 22 and the second adjustment hole 32 are consistent; after the positions of the fixed cross bar 2 and the telescopic cross bar 3 are adjusted, they are fixed by installing a cross bar fixing member 7 at the first adjustment hole 22 and the second adjustment hole 32 at the corresponding positions; the cross bar fixing member 7 includes a latch 71 provided on the first adjustment hole 22 and the second adjustment hole 32 at the corresponding positions and a cotter pin 72 provided at one end of the latch 71.

[0040] Furthermore, if Figure 1-Figure 7 As shown, the first hollow rod 21 and the column 1, as well as the second hollow rod 31 and the column 1 are fixed by a detachable connecting member 5; the detachable connecting member 5 includes a connecting plate 51 connected to the column 1, and bolts 52 and nuts 53 provided on the connecting plate 51; the fixed cross bar 2 and the telescopic cross bar 3 are respectively fixed to the connecting plate 51 at their ends away from each other, and then fixed to their respective adjacent columns 1 by bolts 52 and nuts 53; both the connecting plate 51 and the column 1 are provided with retaining holes.

[0041] Furthermore, if Figure 1-Figure 7 As shown, further, Figure 1-Figure 7As shown, the automatic telescopic mechanism 4 includes a gear 41 arranged on the inner side of the fixed cross bar 2, and a rack 42 arranged on the outer side of the telescopic cross bar 3 and meshing with the gear 41; the gear 41 is arranged on the inner side of the first hollow rod 21; the rack 42 is arranged on the outer side of the second hollow rod 31 and meshing with the gear 41; the gear 41 is arranged on a bearing 43; the bearing 43 is mounted on a bearing mounting seat 44; the bearing mounting seat 44 is fixed to the inner side of the first hollow rod 21; the center of the bearing 43 is arranged on a rotating shaft 45; the rotating shaft is rotated by using a tool such as a hand drill to drive the gear 41 to move, and then the rack 42 is driven to move back and forth, so as to realize the telescopic cross bar 3 in the fixed cross bar 2.

[0042] Furthermore, if Figure 1-Figure 7 As shown, since the alarm device 6 has a certain recognition range, not every column 1 is installed with the alarm device 6; a mounting plate is provided on the top of the column 1 on which the alarm device 6 is installed; the alarm device 6 includes an alarm light 61 provided on the mounting plate and a sensor 62 provided on the side of the column 1 and connected to the alarm light 61; since the platform of the building construction machine is relatively high, personnel need to stay away from the edge of the top platform of the building construction machine, and when the sensor 62 recognizes that a person has entered a dangerous area, the alarm light 61 issues an alarm prompt to ensure the safety of personnel during construction.

[0043] The utility model provides a modular retractable protective device for the top platform of a building construction machine, which is used for the outer guardrail of the top platform of the building. As a modular finished product, the connection of each part is connected by screws and nuts, the cross bar is retractable, and the size can be adjusted according to different building lengths and widths, which is suitable for application scenarios of various sizes; during installation, at least two columns 1 are first fixed on the top platform of the building construction machine at intervals according to the size of the top platform of the building, and then the fixed cross bar 2 and the retractable cross bar 3 are installed between the first column 1 and the second column 4 in sequence, and finally the fixed cross bar 2 and the retractable cross bar 3 are fixed; when the size of the top platform of the building changes, the cross bar fixing piece 7 is disassembled, and the rotating shaft 45 is rotated by using a tool such as a hand drill to drive the gear 41 to move, and then the rack 42 is driven to move back and forth, so as to realize the extension and retraction of the retractable cross bar 3 in the fixed cross bar 2, and then adjust the position of the retractable cross bar 3 inserted into the fixed cross bar 2, and after the position is adjusted, it can be fixed again by the cross bar fixing piece 7.

[0044] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A retractable protective device for the top platform of a modular building construction machine, characterized in that: The invention comprises at least two columns (1) arranged vertically and in parallel with each other on the top platform of the building construction machine, a fixed cross bar (2) and a telescopic cross bar (3) detachably arranged between two adjacent columns (1), and an alarm device (6) arranged on the columns (1); wherein: An automatic telescopic mechanism (4) for automatically adjusting the position of the telescopic cross bar (3) within the fixed cross bar (2) is also provided between the fixed cross bar (2) and the telescopic cross bar (3); The automatic telescopic mechanism (4) comprises a gear (41) arranged on the inner side of the fixed crossbar (2), and a rack (42) arranged on the outer side of the telescopic crossbar (3) and meshing with the gear (41); The alarm device (6) comprises an alarm light (61) and a sensor (62) connected to the alarm light (61).

2. A retractable protective device for the top platform of a modular building construction machine according to claim 1, characterized in that: The gear (41) is arranged on a bearing (43); the bearing (43) is mounted on a bearing mounting seat (44); the bearing mounting seat (44) is fixed on the inner side surface of the fixed cross bar (2); The center of the bearing (43) is arranged on the rotating shaft (45); the rotating shaft is rotated by using a tool such as a hand drill to drive the gear (41) to move, and then the rack (42) is driven to move forward and backward, so that the telescopic cross bar (3) can be telescoped within the fixed cross bar (2).

3. A retractable protective device for the top platform of a modular building construction machine according to claim 2, characterized in that: The fixed cross bar (2) and the telescopic cross bar (3) are fixed via a cross bar fixing piece (7); The crossbar fixing member (7) comprises a latch pin (71) and a split pin (72) arranged at one end of the latch pin (71).

4. A retractable protective device for the top platform of a modular building construction machine according to claim 2 or 3, characterized in that: The fixed cross bar (2) comprises a first hollow rod (21) and first adjustment holes (22) which are evenly spaced longitudinally and penetrate the first hollow rod (21); The telescopic cross bar (3) comprises a second hollow rod (31) and second adjustment holes (32) which are evenly spaced longitudinally and penetrate the second hollow rod (31); One end of the second hollow rod (31) is inserted into the first hollow rod (21).

5. The retractable protective device for the top platform of a modular building construction machine according to claim 4, characterized in that: The first adjustment hole (22) and the second adjustment hole (32) are consistent in position, number and size.

6. A retractable protective device for the top platform of a modular building construction machine according to claim 5, characterized in that: The first hollow rod (21) and the column (1), as well as the second hollow rod (31) and the column (1) are fixed via a detachable connecting piece (5); The detachable connecting member (5) comprises a connecting plate (51) connected to the column (1), and bolts (52) and nuts (53) arranged on the connecting plate (51).

7. A retractable protective device for the top platform of a modular building construction machine according to any one of claims 1 to 3, 5 or 6, characterized in that: The upright post (1) is a hollow rectangular column; according to actual needs, the fixed cross bar (2) or the telescopic cross bar (3) can be installed on the four sides of each upright post (1).

8. The retractable protective device for the top platform of a modular building construction machine according to claim 7, characterized in that: When the outer guardrails of the building top platform are arranged on the same straight line, the adjacent fixed cross bars (2) and telescopic cross bars (3) are arranged on the same or different columns (1); when they are arranged on the same column (1), the fixed cross bars (2) and telescopic cross bars (3) are located on a straight line and on both sides of the column (1); when they are arranged on different columns (1), the fixed cross bars (2) and telescopic cross bars (3) are arranged between two adjacent columns (1).

9. The retractable protective device for the top platform of a modular building construction machine according to claim 7, characterized in that: When the outer guardrail of the building top platform needs to be installed on two vertical sides respectively, fixed cross bars (2) are respectively installed on two adjacent outer sides of the column (1), a telescopic cross bar (3) is installed on the fixed cross bar (2), and the other end of the telescopic cross bar (3) is fixed to another column (1).

10. A retractable protective device for the top platform of a modular building construction machine according to claim 5 or 6, characterized in that: The gear (41) is arranged on the inner side of the first hollow rod (21); the rack (42) is arranged on the outer side of the second hollow rod (31); and the bearing mounting seat (44) is fixed on the inner side of the first hollow rod (21).

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