CN217908649U

CN217908649U - Anti-falling device for high-altitude operation in explosion-proof area

Info

Publication number: CN217908649U
Application number: CN202221123934.0U
Authority: CN
Inventors: 唐永斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-11-29
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses an anti-falling device for high-altitude operation in an explosion-proof area, comprising two mounting seats, wherein the two mounting seats are sleeved with D-shaped seats, one of the D-shaped seats is fixedly provided with an energy buffer, the other of the D-shaped seats is connected with a tensioning mechanism, the tensioning mechanism and the energy buffer are jointly connected with a steel cable, a single-span sliding connector is sleeved on the steel cable in a sliding way, and the tensioning mechanism comprises a second screw rod and a third screw rod; the utility model discloses in, when needing to adjust the tensioning dynamics of steel cable, only need with a spanner card on the fixed block, fix the third screw rod, later can rotate simultaneously through two second nuts of link drive, thereby utilize the second screw rod, the cooperation of third screw rod and second nut, make the second screw rod, the third screw rod for link direction removal simultaneously, with the spacing distance between regulation second screw rod and the third screw rod, thereby realize adjusting the tensioning dynamics of steel cable, easy operation is convenient.

Description

Anti-falling device for high-altitude operation in explosion-proof area

Technical Field

The utility model relates to a falling-proof device, in particular to a falling-proof device for high-altitude operation in an explosion-proof area.

Background

High-altitude operation is one of common operations in enterprises, and when an operator is at a position far from the ground, if protection measures are effective, the risk of falling cannot occur; on the contrary, if the protective measures are lacked, even if the construction is carried out at a place which is far from the ground, the serious consequences of casualties can be caused.

The train landing stage loading platform and the automobile landing stage loading platform are free of personnel high-altitude operation anti-falling system devices for many years. Before loading every time, the operating personnel need to climb up to the aerial work platform with careful wings, the personnel operation safety can not be fundamentally guaranteed, and therefore the falling condition in the personnel operation process appears many times, and the personnel safety of the operating personnel is greatly hidden.

At present, anti-falling devices are installed on both a train trestle loading platform and an automobile trestle loading platform, but the anti-falling devices are high in use frequency and fast in abrasion, so that frequent maintenance and overhaul are needed to replace steel cables in time.

However, most of the existing anti-falling devices are complex in the connection mode of the steel cable, and the tension of the steel cable is not convenient to adjust and needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof area high altitude construction anti-falling device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

explosion-proof area high altitude construction anti-falling device, two mount pads are two the cover is equipped with D type seat, one on the mount pad fixed mounting has energy buffer, another on the D type seat be connected with straining device on the D type seat, straining device is connected with the steel cable with energy buffer jointly, the slip has cup jointed single-span sliding connector on the steel cable, straining device includes second screw rod and third screw rod, the second screw rod and the D type seat fixed connection who corresponds, the second nut has all been cup jointed in the cooperation of the outer wall of second screw rod, third screw rod, two the common fixedly connected with link of second nut, equal fixed mounting has the go-between on third screw rod and the energy buffer, the both ends of steel cable are passed by the go-between that corresponds.

As a further aspect of the present invention: the thread directions of the second screw rod and the third screw rod are opposite, and a fixing block is fixedly connected to the third screw rod.

As a further aspect of the present invention: each end of the steel cable is folded back along the axial direction after passing through the corresponding connecting ring and is fixedly connected with the main body of the steel cable through a plurality of cable clamps, and the number of the cable clamps is not less than three.

As a further aspect of the present invention: the cable clamp comprises an upper clamp seat, a middle seat and a lower clamp seat, wherein a first clamp groove is formed in the outer wall, opposite to the upper clamp seat and the lower clamp seat, of the upper clamp seat, a second clamp groove is formed in the outer wall, opposite to the first clamp groove, of the middle seat, two first screw rods are fixedly connected to the outer wall of the upper clamp seat in a bilateral symmetry mode, the first screw rods are located in the first clamp groove, penetrating holes matched with the first screw rods are formed in the middle seat and the lower clamp seat in a penetrating mode, and the first screw rods are connected with first nuts in a matching mode after being penetrated through the corresponding penetrating holes.

As a further aspect of the present invention: the sum of the cross section areas of the first clamping groove and the second clamping groove is smaller than the cross section area of the steel cable, and anti-skid grains are arranged on the inner walls of the first clamping groove and the second clamping groove.

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

1. the utility model discloses in, when needing to adjust the tensioning dynamics of steel cable, only need to fix a spanner card on the fixed block, fix the third screw rod, later can rotate simultaneously through two second nuts of link drive, thereby utilize the second screw rod, the cooperation of third screw rod and second nut, make the second screw rod, the third screw rod for link direction removal simultaneously, with the spacing distance between regulation second screw rod and the third screw rod, thereby realize adjusting the tensioning dynamics of steel cable, easy operation is convenient.

2. The utility model discloses a set up the hawser clamp of compriseing last holder, middle seat and lower holder, when using, only need pass the back with the one end of steel cable between last holder and the middle seat, wear out by the go-between that corresponds again, later pass between middle seat and the lower holder again, screw up first nut at last, can press from both sides the steel cable chucking between the groove with the second with the first clamp groove that corresponds.

3. The utility model discloses in, because the cross sectional area sum that a first double-layered groove of clamp and a second pressed from both sides the groove is less than the cross sectional area of steel cable, consequently after screwing up first nut, lie in first double-layered groove and the second and press from both sides the steel cable between the groove and can produce certain deformation to make the hawser press from both sides reliable centre gripping on the steel cable, the setting of anti-skidding line can improve the frictional force between hawser clamp and the steel cable, in order to further improve the fixed reliability of steel cable.

Drawings

Fig. 1 is a schematic structural diagram of a falling-preventing device for high-altitude operation in an explosion-proof area.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is a schematic structural diagram of a cable clamp in the anti-falling device for high-altitude operation in an explosion-proof area.

The energy absorber comprises an installation seat 1, a D-shaped seat 2, an energy absorber 3, a connecting ring 4, a steel cable 5, a single-span sliding connector 6, a cable clamp 7, an upper clamp seat 8, a middle seat 9, a lower clamp seat 10, a first clamp groove 11, a second clamp groove 12, a first screw rod 13, a first nut 14, a second screw rod 15, a third screw rod 16, a second nut 17, a connecting frame 18 and a fixing block 19.

Detailed Description

In order to make the technical problem, technical scheme and the beneficial effect that the utility model will solve clearer and more understand, will combine the embodiment below, it is right to the utility model discloses further detail explanation. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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, are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have the orientation, configuration, and operation specified in the specification and therefore should not be construed as limiting the invention.

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 the embodiment of the present invention, an anti-falling device for high-altitude operation in an explosion-proof area includes two installation bases 1, two installation bases 1 are sleeved with a D-shaped base 2, one of the D-shaped base 2 is fixedly installed with an energy buffer 3, and the other of the D-shaped base 2 is connected with a tensioning mechanism, the tensioning mechanism and the energy buffer 3 are connected with a steel cable 5 together, a single-span sliding connector 6 is sleeved on the steel cable 5 in a sliding manner, the tensioning mechanism includes a second screw 15 and a third screw 16, the second screw 15 is fixedly connected with the corresponding D-shaped base 2, outer walls of the second screw 15 and the third screw 16 are respectively sleeved with a second nut 17 in a matching manner, two of the second nuts 17 are fixedly connected with a connection frame 18 together, the third screw 16 and the energy buffer 3 are respectively fixedly installed with a connection ring 4, and two ends of the steel cable 5 are passed through the corresponding connection rings 4.

The thread directions of the second screw 15 and the third screw 16 are opposite, and a fixing block 19 is fixedly connected to the third screw 16.

Through the setting of fixed block 19, when needing to adjust the tensioning dynamics of steel cable 5, only need with a spanner card on fixed block 19, fix third screw rod 17, later can rotate simultaneously through two second nuts 17 of link 18 drive, thereby utilize second screw rod 15, the cooperation of third screw rod 16 and second nut 17, make second screw rod 15, third screw rod 16 for link 18 simultaneous direction removal, with the spacing distance between regulation second screw rod 15 and the third screw rod 16, thereby realize adjusting the tensioning dynamics of steel cable 5.

Each end of the steel cable 5 is folded back along the axial direction after passing through the corresponding connecting ring 4, and is fixedly connected with the main body of the steel cable through a plurality of cable clamps 7, and the number of the cable clamps 7 is not less than three.

The cable clamp 7 comprises an upper clamp holder 8, a middle holder 9 and a lower clamp holder 10, wherein a first clamping groove 11 is formed in the outer wall of the upper clamp holder 8 relative to the outer wall of the lower clamp holder 10, a second clamping groove 12 is formed in the outer wall of the middle holder 9 relative to the outer wall of the first clamping groove 11 relative to the outer wall of the lower clamp holder 10, two first screw rods 13 are fixedly connected to the outer wall of the upper clamp holder 8 in the two sides of the first clamping groove 11 in a symmetrical mode, the middle holder 9 and the lower clamp holder 10 are provided with through holes matched with the first screw rods 13 in a penetrating mode, and the first screw rods 13 are connected with first nuts 14 in a matching mode after being penetrated through the corresponding through holes.

Through setting up the hawser clamp 7 of compriseing last holder 8, middle seat 9 and holder 10 down, when using, only need pass the back with the one end of steel cable 5 between last holder 8 and the middle seat 9, wear out by corresponding go-between 4 again, later pass between middle seat 9 and the holder 10 down again, screw up first nut 14 at last, can press from both sides the steel cable 5 chucking between corresponding first double-layered groove 11 and second double-layered groove 12, easy operation is convenient.

The sum of the cross-sectional areas of the first clamping groove 11 and the second clamping groove 12 is smaller than the cross-sectional area of the steel cable 5, and anti-skid grains are arranged on the inner walls of the first clamping groove 11 and the second clamping groove 12.

Because the sum of the cross-sectional areas of the first clamping groove 11 and the second clamping groove 12 is smaller than the cross-sectional area of the steel cable 5, after the first nut 14 is screwed, the steel cable 5 between the first clamping groove 11 and the second clamping groove 12 can generate certain deformation, so that the cable clamp 7 can be reliably clamped on the steel cable 5, and the friction force between the cable clamp 7 and the steel cable 5 can be improved due to the arrangement of the anti-skid grains, so that the fixing reliability of the steel cable 5 is further improved.

The utility model discloses a theory of operation is:

the utility model discloses in, when needing to adjust the tensioning dynamics of steel cable 5, only need with a spanner card on fixed block 19, fix third screw rod 17, later can rotate simultaneously through two second nuts 17 of link 18 drive, thereby utilize second screw rod 15, third screw rod 16 and second nut 17's cooperation, make second screw rod 15, third screw rod 16 for link 18 while direction removal, with the spacing distance between adjusting second screw rod 15 and the third screw rod 16, thereby realize adjusting the tensioning dynamics of steel cable 5, and easy operation is convenient.

Through setting up the hawser clamp 7 of compriseing last holder 8, middle seat 9 and lower holder 10, when using, only need pass the back with the one end of steel cable 5 between last holder 8 and the middle seat 9, wear out by corresponding go-between ring 4 again, later again by middle seat 9 and pass down between the holder 10, screw up first nut 14 at last, can be with steel cable 5 chucking between corresponding first double-layered groove 11 and second double-layered groove 12.

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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Explosion-proof area high altitude construction anti-falling device, its characterized in that: two mount pads (1), two the cover is equipped with D type seat (2), one on mount pad (1) fixed mounting has energy buffer (3) on D type seat (2), another be connected with straining device on D type seat (2), straining device is connected with steel cable (5) with energy buffer (3) jointly, slip on steel cable (5) and cup jointed single-span sliding connector (6), straining device includes second screw rod (15) and third screw rod (16), second screw rod (15) and the D type seat (2) fixed connection who corresponds, second nut (17), two have all been cup jointed in the cooperation of the outer wall of third screw rod (16), second nut (17) the common fixed connection of second nut (17) has link (18), equal fixed mounting has go-between (4) on third screw rod (16) and the energy buffer (3), the both ends of steel cable (5) are passed by the go-between (4) that correspond.

2. The fall arrest device for aerial work in an explosion-proof area according to claim 1, wherein: the thread directions of the second screw (15) and the third screw (16) are opposite, and a fixing block (19) is fixedly connected to the third screw (16).

3. The explosion-proof area aerial work fall protection device as claimed in claim 1, wherein: each end of the steel cable (5) is folded back along the axial direction after penetrating through the corresponding connecting ring (4) and is fixedly connected with the main body of the steel cable through a plurality of cable clamps (7), and the number of the cable clamps (7) is not less than three.

4. The fall arrest device for aerial work in an explosion-proof area according to claim 3, wherein: cable clamp (7) are including holder (8), middle seat (9), lower holder (10), first double-layered groove (11) have all been seted up to the relative outer wall of going up holder (8) and lower holder (10), second double-layered groove (12) have all been seted up with the relative outer wall of first double-layered groove (11) in middle seat (9), the outer wall that goes up holder (8) is located two first screw rods (13) of bilateral symmetry fixedly connected with of first double-layered groove (11), run through on middle seat (9), lower holder (10) and be provided with the perforation with first screw rod (13) looks adaptation, first screw rod (13) are worn out the back cooperation by the perforation that corresponds and are connected with first nut (14).

5. The fall arrest device for aerial work in an explosion-proof area according to claim 4, wherein: the sum of the cross section areas of the first clamping groove (11) and the second clamping groove (12) is smaller than the cross section area of the steel cable (5), and anti-skidding grains are arranged on the inner walls of the first clamping groove (11) and the second clamping groove (12).