CN216517051U

CN216517051U - Safety protective guard is used in high altitude construction

Info

Publication number: CN216517051U
Application number: CN202220022564.5U
Authority: CN
Inventors: 王德超
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-05-13
Anticipated expiration: 2032-01-06

Abstract

The utility model discloses a safety protective guard for high-altitude operation construction, which comprises two stand columns, wherein the bottoms of the two stand columns are fixedly connected with a base, the outer walls of the two stand columns are fixedly connected with a hollow cross beam together, two ends of the hollow cross beam are communicated with the corresponding stand columns, the top of the hollow cross beam is uniformly and fixedly connected with a plurality of stand pipes, the stand columns are rotatably connected with screw rods, the outer walls of the screw rods are sleeved with nuts in a matched mode, the tops of the nuts are fixedly connected with sleeves, and the top ends of the screw rods are positioned in the sleeves; when the lifting device is used, the driving shaft is rotated through the hand wheel, the rotating shaft can be driven to rotate by utilizing the mutual meshing of the first bevel gear and the second bevel gear, then the two screws are driven to rotate simultaneously through the transmission connection of the two first chain wheels and the second chain wheel, the ejector rod is driven to move up and down by utilizing the matching driving sleeve of the screws and the nuts, the height of the ejector rod is adjusted, and the lifting device is suitable for operators with different heights.

Description

Safety protective guard is used in high altitude construction

Technical Field

The utility model relates to a safety protection fence, in particular to a safety protection fence for high-altitude operation construction.

Background

The work high above the ground generally refers to work high above the ground, and refers to work performed by a person at a height with a certain position as a reference. The national standard GB/T3608-2008 Classification of high altitude operations stipulates that the high altitude operations are as follows: "work at a height at which there is a possibility of falling at 2m or more from the falling height reference plane. "according to this definition, the range of work at high altitudes is fairly broad in the construction industry. When the operation is performed in a building, the operation is performed on a frame with the length of more than 2m, namely the high-altitude operation.

At present, most of high altitude construction all goes on work platform, in order to improve work platform's security, can install protection rail in work platform's edge usually, but among the prior art, the last rail guard of work platform is fixed height mostly, can't adjust, leads to application scope narrower, can cause the interference to the work of the operating personnel of the short stature, and to the operating personnel of the comparatively height of stature, its protective effect is relatively poor simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safety protective guard for high-altitude operation construction, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a safety protective guard is used in high altitude construction, includes two stands, two the equal fixedly connected with base in bottom of stand, two the common fixedly connected with hollow crossbeam of outer wall of stand, the both ends and the stand intercommunication that corresponds of hollow crossbeam, a plurality of risers of the even fixedly connected with in top of hollow crossbeam, the stand internal rotation is connected with the screw rod, the nut has been cup jointed in the outer wall cooperation of screw rod, the top fixedly connected with sleeve pipe of nut, the top of screw rod is located the cover intraductally, two the common fixedly connected with ejector pin in sheathed tube top, be provided with actuating mechanism on the hollow crossbeam, two the screw rod all is connected with the actuating mechanism transmission.

As a further scheme of the utility model: the actuating mechanism includes the pivot of being connected with the inner wall rotation of hollow crossbeam, the fixed cover of outer wall of pivot has connect first bevel gear and two second sprockets, the antetheca rotation of hollow crossbeam runs through and is provided with the drive shaft, the one end fixedly connected with second bevel gear of drive shaft position in hollow crossbeam, second bevel gear and first bevel gear intermeshing, the drive shaft is located the outer one end fixedly connected with hand wheel of hollow crossbeam, the outer wall of screw rod all fixed cover has connect first sprocket, first sprocket passes through the chain and is connected with the second sprocket transmission that corresponds.

As a further scheme of the utility model: the outer wall of stand runs through and is provided with the spacing groove, the outer wall fixedly connected with stopper of nut, the stopper is located the spacing inslot that corresponds.

As a further scheme of the utility model: the inner wall of the vertical pipe is connected with an inner rod in a sliding mode, and the top end of the inner rod is fixedly connected with the bottom of the ejector rod.

As a further scheme of the utility model: the outer wall of the inner rod is uniformly and fixedly connected with a plurality of connecting rods, one end of each connecting rod is fixedly connected with the adjacent inner rod or the adjacent sleeve, the vertical pipe and the outer wall of the stand column are both penetrated and provided with movable grooves, and the sizes of the movable grooves and the connecting rods are matched in a display mode.

As a still further scheme of the utility model: the rear walls of the two upright posts are fixedly connected with a protective net together, and the height of the protective net is the same as that of the upright posts.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the lifting device is used, the driving shaft is rotated through the hand wheel, the rotating shaft can be driven to rotate by utilizing the mutual meshing of the first bevel gear and the second bevel gear, then the two screws are driven to rotate simultaneously through the transmission connection of the two first chain wheels and the second chain wheel, the ejector rod is driven to move up and down by utilizing the matching driving sleeve of the screws and the nuts, the height of the ejector rod is adjusted, and the lifting device is suitable for operators with different heights.

2. According to the utility model, through the arrangement of the inner rod and the plurality of connecting rods, the space between the two stand columns can be separated to achieve a good protection effect, and through the arrangement of the protective net, a larger hole is prevented from being formed between the lowest connecting rod and the hollow cross beam after the ejector rod, the inner rod and the connecting rods are lifted, so that the protection effect is further improved.

Drawings

Fig. 1 is a schematic structural view of a safety guard rail for aerial work construction.

Fig. 2 is a schematic structural diagram of a safety guard rail limiting block for high-altitude operation construction.

Fig. 3 is a schematic structural view of a driving shaft in a safety guard rail for aerial work construction.

The device comprises an upright post 1, a base 2, a hollow cross beam 3, a screw rod 4, a nut 5, a sleeve 6, a limiting groove 7, a limiting block 8, a push rod 9, a first chain wheel 10, a rotating shaft 11, a second chain wheel 12, a first bevel gear 13, a driving shaft 14, a hand wheel 15, a second bevel gear 16, a vertical pipe 17, an inner rod 18, a movable groove 19, a connecting rod 20 and a protective net 21.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, are used merely to facilitate description of the present invention and to simplify description, and do not indicate or imply that the referenced devices or elements must have the particular orientations, configurations and operations described in the specification, and therefore are not to be considered limiting.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1 to 3, in an embodiment of the present invention, a safety guard rail for overhead working construction includes two upright columns 1, bases 2 are fixedly connected to bottoms of the two upright columns 1, mounting holes are formed through the bases 2, hollow beams 3 are fixedly connected to outer walls of the two upright columns 1, two ends of the hollow beam 3 are communicated with the corresponding upright posts 1, the top of the hollow beam 3 is uniformly and fixedly connected with a plurality of stand pipes 17, a screw rod 4 is rotationally connected in the upright post 1, a nut 5 is sleeved on the outer wall of the screw rod 4 in a matching way, the top of the nut 5 is fixedly connected with a sleeve 6, the top ends of the screws 4 are positioned in the sleeve 6, the top ends of the two sleeves 6 are fixedly connected with a mandril 9, and a driving mechanism is arranged on the hollow cross beam 3, and the two screw rods 4 are in transmission connection with the driving mechanism.

The driving mechanism comprises a rotating shaft 11 rotatably connected with the inner wall of the hollow cross beam 3, a first bevel gear 13 and two second chain wheels 12 are fixedly sleeved on the outer wall of the rotating shaft 11, a driving shaft 14 penetrates through the front wall of the hollow cross beam 3 in a rotating mode, the driving shaft 14 is located at one end of the hollow cross beam 3 and fixedly connected with a second bevel gear 16, the second bevel gear 16 is meshed with the first bevel gear 13, the driving shaft 14 is located at one end of the hollow cross beam 3 and fixedly connected with a hand wheel 15, the outer wall of the screw rod 4 is fixedly sleeved with a first chain wheel 10, and the first chain wheel 10 is in transmission connection with the corresponding second chain wheels 12 through a chain.

The driving shaft 14 is rotated through the hand wheel 15, the rotating shaft 11 can be driven to rotate by utilizing the mutual meshing of the first bevel gear 13 and the second bevel gear 16, then the two screws 4 are driven to rotate simultaneously through the transmission connection of the two first chain wheels 10 and the second chain wheel 12, the ejector rod 9 is driven to move up and down by utilizing the matching driving sleeve 6 of the screws 4 and the nuts 5, and the height adjustment of the ejector rod 9 is realized so as to be suitable for operators with different heights.

The outer wall of stand 1 runs through and is provided with spacing groove 7, the outer wall fixedly connected with stopper 8 of nut 5, stopper 8 is located corresponding spacing groove 7.

Through the cooperation of spacing groove 7 and stopper 8, can carry on spacingly to the home range of nut 5 to avoid nut 5 to drop by screw rod 4.

The inner wall of the vertical pipe 17 is connected with an inner rod 18 in a sliding mode, and the top end of the inner rod 18 is fixedly connected with the bottom of the ejector rod 9.

The outer wall of the inner rod 18 is uniformly and fixedly connected with a plurality of connecting rods 20, one end of each connecting rod 20 is fixedly connected with the adjacent inner rod 18 or the adjacent sleeve 6, the outer walls of the vertical pipe 17 and the upright post 1 are both penetrated and provided with movable grooves 19, and the sizes of the movable grooves 19 and the connecting rods 20 are matched in a display mode.

Through the arrangement of the inner rod 18 and the plurality of connecting rods 20, the space between the two upright posts 1 can be separated, so that a good protection effect is achieved.

The rear walls of the two uprights 1 are fixedly connected with a protective net 21, and the height of the protective net 21 is the same as that of the upright 1.

Through the arrangement of the protective net 21, after the ejector rods 9, the inner rod 18 and the connecting rods 20 are lifted, large holes are prevented from being formed between the connecting rods 20 at the lowest part and the hollow cross beam 3, and therefore the protective effect is further improved.

The working principle of the utility model is as follows:

when the lifting device is used, the driving shaft 14 is rotated through the hand wheel 15, the rotating shaft 11 can be driven to rotate by utilizing the mutual meshing of the first bevel gear 13 and the second bevel gear 16, then the two screw rods 4 are driven to rotate simultaneously through the transmission connection of the two first chain wheels 10 and the second chain wheel 12, the sleeve 6 is driven to drive the ejector rod 9 to move up and down by utilizing the matching of the screw rods 4 and the nuts 5, the height of the ejector rod 9 is adjusted, and the lifting device is suitable for operators with different heights.

In the utility model, the space between the two upright posts 1 can be separated by arranging the inner rod 18 and the plurality of connecting rods 20, so as to achieve a good protection effect, and after the ejector rod 9, the inner rod 18 and the connecting rods 20 are lifted, a larger hole is prevented from being formed between the lowest connecting rod 20 and the hollow cross beam 3 through the arrangement of the protective net 21, so that the protection effect is further improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a safety protective guard is used in high altitude construction, its characterized in that: including two stands (1), two the equal fixedly connected with base (2) in bottom of stand (1), two the common fixedly connected with hollow crossbeam (3) of outer wall of stand (1), the both ends of hollow crossbeam (3) and stand (1) intercommunication that corresponds, the even a plurality of risers of fixedly connected with (17) in top of hollow crossbeam (3), stand (1) internal rotation is connected with screw rod (4), nut (5) have been cup jointed in the outer wall cooperation of screw rod (4), the top fixedly connected with sleeve pipe (6) of nut (5), the top of screw rod (4) is located sleeve pipe (6), two the common fixedly connected with ejector pin (9) in top of sleeve pipe (6), be provided with actuating mechanism on hollow crossbeam (3), two screw rod (4) all are connected with the actuating mechanism transmission.

2. The safety guard rail for overhead working construction according to claim 1, wherein: the driving mechanism comprises a rotating shaft (11) rotatably connected with the inner wall of the hollow cross beam (3), a first bevel gear (13) and two second chain wheels (12) are fixedly sleeved on the outer wall of the rotating shaft (11), a driving shaft (14) is arranged on the front wall of the hollow cross beam (3) in a rotating mode in a penetrating mode, one end of the driving shaft (14) located in the hollow cross beam (3) is fixedly connected with a second bevel gear (16), the second bevel gear (16) is meshed with the first bevel gear (13), one end of the driving shaft (14) located outside the hollow cross beam (3) is fixedly connected with a hand wheel (15), the outer wall of the screw (4) is fixedly sleeved with the first chain wheels (10), and the first chain wheels (10) are in transmission connection with the corresponding second chain wheels (12) through chains.

3. The safety guard rail for overhead working construction according to claim 1, wherein: the outer wall of stand (1) runs through and is provided with spacing groove (7), the outer wall fixedly connected with stopper (8) of nut (5), stopper (8) are located corresponding spacing groove (7).

4. The safety guard rail for overhead working construction according to claim 1, wherein: the inner wall of the vertical pipe (17) is connected with an inner rod (18) in a sliding mode, and the top end of the inner rod (18) is fixedly connected with the bottom of the ejector rod (9).

5. The safety guard rail for overhead working construction according to claim 4, wherein: the outer wall of the inner rod (18) is uniformly and fixedly connected with a plurality of connecting rods (20), one end of each connecting rod (20) is fixedly connected with the adjacent inner rod (18) or the adjacent sleeve (6), the stand pipe (17) and the outer wall of the stand column (1) are both penetrated through to form a movable groove (19), and the size of the movable groove (19) is matched with the size of each connecting rod (20).

6. The safety guard rail for overhead working construction according to claim 1, wherein: the rear walls of the two upright posts (1) are fixedly connected with a protective net (21) together, and the height of the protective net (21) is the same as that of the upright posts (1).