CN217975507U - Safety protection device for floor hole - Google Patents

Safety protection device for floor hole Download PDF

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Publication number
CN217975507U
CN217975507U CN202221574139.3U CN202221574139U CN217975507U CN 217975507 U CN217975507 U CN 217975507U CN 202221574139 U CN202221574139 U CN 202221574139U CN 217975507 U CN217975507 U CN 217975507U
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China
Prior art keywords
telescopic
rod
net
floor
length direction
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CN202221574139.3U
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Chinese (zh)
Inventor
周向阳
况中华
李鑫奎
宋雪飞
严再春
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Shanghai Construction Group Co Ltd
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Shanghai Construction Group Co Ltd
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Abstract

The utility model discloses a floor entrance to a cave safety device, include: the two rows of pedestals are arranged on the floor slab on the opposite sides of the horizontal length or width direction of the hole in parallel; two rows of clamping seats are arranged on each base in the row; the cover plate covers the opening and is erected on the clamping seat; the two rails are arranged on the floor along the row direction of the bases and are connected with all the bases in the row; the protection net assembly covers the entrance to a cave and sets up two in the track, including the expansion net, a set of opposite side of expansion net is connected with first telescopic link respectively, another pair of group of expansion net is connected with the second telescopic link respectively to the limit, two first telescopic link and two the second telescopic link is connected and is formed adjustable rectangle frame, two first telescopic link one-to-one inserts and sets up two in the track. The utility model discloses can carry out dual protection to construction operation personnel's personal safety, improve construction safety, reduce the potential safety hazard.

Description

Safety protection device for floor hole
Technical Field
The utility model relates to a building engineering technology field, in particular to floor entrance to a cave safety device.
Background
In the building engineering work progress, can appear the form various face limit entrance to a cave, its protective device disappearance is one of leading to the fact construction safety risk eminence to fall and eminence falls one of the leading reasons of thing. The floor slab opening is generally square, rectangular and other rectangular, and the opening protection facility usually adopts a cover plate or a reinforcing mesh to cover the opening and is arranged above the floor slab for safety protection. When the apron influences local engineering construction, when construction operation personnel removed the apron from the entrance to a cave or the part is removed, perhaps when not recovering after removing, can cause the person to fall or the safety risk that materials, instrument etc. take place to fall to construction operation personnel's engineering operation, can't play safety protection's purpose, have great potential safety hazard, therefore how to reduce the potential safety hazard that the safety protection facility of floor entrance to a cave exists becomes the technical problem that technical staff in the field need to solve urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a floor entrance to a cave safety device to solve and how to reduce the apron and set up the problem of the great potential safety hazard that exists on the floor entrance to a cave as safety protection facility.
In order to solve the technical problem, the utility model provides a technical scheme is: a floor entrance to a cave safety device includes:
the bases are arranged in two rows and are arranged on the floor slabs on the opposite sides of the opening in the horizontal direction or the width direction in parallel;
the clamping seats are arranged in two rows and are linearly arranged on each base in the row corresponding to the quantity of the two rows of the bases one by one, and each clamping seat comprises a vertical piece and a transverse piece which is vertically arranged on the vertical piece towards one side of the direction of the opening;
the cover plate covers the opening and is erected on the clamping seat;
the two tracks are arranged on the floor along the row direction of the bases and connected with all the bases in the row, the tracks are positioned on one side of a side line of the hole, the bases are positioned on one side of the side line far away from the hole, the tracks are made of C-shaped steel, a back plate of the C-shaped steel is connected with the bases, a lower side plate of the C-shaped steel is in contact with the floor, and a front plate of the C-shaped steel is close to or aligned with the side line of the hole;
the protection net assembly covers the entrance to a cave and sets up two in the track, including rectangular shape's expansion net, a set of opposite side of expansion net is connected with first telescopic link respectively, another pair of opposite side of expansion net is connected with the second telescopic link respectively, two first telescopic link and two the second telescopic link is connected and is formed adjustable rectangular frame, two first telescopic link one-to-one inserts and sets up two in the track.
Further, the utility model provides a floor entrance to a cave safety device, first telescopic link is manual telescopic link, according to first telescopic link is at the manual adjustment of the maximum distance at the entrance to a cave at its length direction both ends the flexible length of first telescopic link, with manual adjustment the expansion network makes its cover entrance to a cave setting on the length direction of first telescopic link at the flexible length of the length direction of first telescopic link.
Further, the utility model provides a floor entrance to a cave safety device, first telescopic link is automatic telescopic link, the controller basis first telescopic link is in the maximum distance adjustment at the entrance to a cave at its length direction both ends the flexible length of first telescopic link, with automatic adjustment the expansion network makes its cover the entrance to a cave setting on the length direction of first telescopic link at the flexible length of the length direction of first telescopic link.
Further, the utility model provides a floor entrance to a cave safety device, the second telescopic link is automatic telescopic link, the protection network subassembly still includes:
the first laser range finder is aligned with one front plate of one rail and arranged on one front plate of the other rail;
a second laser range finder aligned with one of the first telescopic rods and arranged on the other of the first telescopic rods
The controller is connected with the first laser range finder and the second laser range finder;
the controller automatically adjusts the telescopic length of the second telescopic rod according to the distance of the first laser range finder opposite to the front plate of the track on the opposite surface of the first laser range finder and the addition of a standard difference value, and the controller monitors the distance between the two first telescopic rods through the second laser range finder to determine whether to stop automatically adjusting the telescopic length of the second telescopic rod or not so as to automatically adjust the telescopic length of the telescopic net in the length direction of the second telescopic rod to enable the telescopic net to cover the opening in the length direction.
Further, the utility model provides a floor entrance to a cave safety device, the second telescopic link includes nested connection's outer pole and interior pole, outer pole and interior pole set up two respectively on the first telescopic link, be close to on the first telescopic link of outer pole or be close to on the outer pole of the one end of first telescopic link and be close to on the first telescopic link of interior pole or be close to be provided with on the interior pole of the one end of first telescopic link with the motor that the controller is connected, every the motor still connects perpendicularly through the connecting rod on the flexible net, every the motor is connected with the winder, be connected with between the interior pole and the outer pole of winder and nested connection place end and act as go-between, the stay wire can twine and correspond on the winder, be provided with the confession on the outer pole the connecting rod is along its length direction upward movement's the hole of stepping down.
Further, the utility model provides a floor entrance to a cave safety device, the second telescopic link is manual telescopic link, according to two distance manual adjustment between the track the flexible length of second telescopic link, with manual adjustment the expansion network is in the flexible length of the length direction of second telescopic link makes it cover the entrance to a cave setting on length direction.
Further, the utility model provides a floor entrance to a cave safety device still includes:
the support is arranged on the upper side plate of each C-shaped steel, the upper surface of the support and the upper surface of the transverse part of the clamping seat are located at the same horizontal height, and the cover plate is also erected on the support.
Further, the utility model provides a floor entrance to a cave safety device, the base passes through expansion bolts and sets up on the floor.
Further, the utility model provides a floor entrance to a cave safety device, the controller sets up one of them on the track.
Furthermore, the utility model provides a floor entrance to a cave safety device, first telescopic link includes nested flexible setting's outer festival pole and interior festival pole, the expansion net is the one deck, the both ends of expansion net in the length direction of second telescopic link are connected with the body of rod of the shortest flexible length of outer festival pole and interior festival pole respectively; or the telescopic nets are double layers with the same specification, wherein one layer of the telescopic nets is connected with the outer section rods at two ends of the second telescopic rods in the length direction, and the other layer of the telescopic nets is connected with the rod body with the shortest telescopic length of the inner section rods at two ends of the second telescopic rods in the length direction.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model provides a floor hole safety protection device, which forms a first safety protection facility for covering the floor hole through a base, a clamping seat and a cover plate arranged on the clamping seat, so as to carry out first safety protection on the personal safety of construction operation personnel and carry out safety protection on the falling of tools and building materials; through the base, the track and the protection net subassembly that sets up on the track constitute the second safety protection facility that covers the floor entrance to a cave, carry out the second safety protection with the personal safety to construction operation personnel, thereby realize carrying out dual protection and instrument to construction operation personnel's personal safety, building material's safety protection purpose, prevent that the apron from being removed the back by part or whole, protect construction operation personnel's personal safety through the second safety protection facility, avoid construction operation personnel because the apron is removed and take place the safety risk that the high altitude falls, construction safety is improved, the problem of the potential safety hazard when the safety protection facility of single apron as the floor entrance to a cave has been reduced.
The utility model provides a floor entrance to a cave safety device can make the apron block on the length of horizontal direction or width direction through the upright piece of cassette and establish fixedly, prevents to receive exogenic action and produce the displacement on apron length or the width direction to improve reliability and the stability that the apron set up.
The utility model provides a floor entrance to a cave safety device can adjust the size of the rectangular frame that first telescopic link and second telescopic link constitute through the flexible length of first telescopic link of control and second telescopic link, and size control through rectangular frame can the synchronous adjustment expansion network in length and the ascending size of width direction, adjusts the entrance to a cave in order to be applicable to different specification and dimension to the area of protection network subassembly, has the extensive advantage of application range.
The utility model provides a floor entrance to a cave safety device, the track is C shaped steel, has made things convenient for the protection network subassembly to insert the installation that sets up on the track, has improved the installation effectiveness.
Drawings
FIG. 1 is a schematic top view of a floor opening;
FIG. 2 is a schematic side view of a conventional cover plate installed on a floor opening;
FIG. 3 is a schematic side view sectional structure of the floor hole safety device of the present invention, which is installed on the floor hole as a safety protection facility;
fig. 4 is a schematic top view of the protective net assembly of the floor hole safety device of the present invention, which is arranged on the floor hole as a safety protection facility;
FIG. 5 is a schematic top view of a floor opening with a base, a clamp and a track;
FIG. 6 is a schematic top view of an embodiment of a protective screen assembly;
fig. 7 to 8 are schematic structural views of the connection of the motor and the reel;
FIG. 9 is a schematic view of a partial node structure of a double-layer telescopic net connected with a first telescopic rod;
FIG. 10 is an enlarged view of a side track node of FIG. 3;
FIG. 11 is a schematic structural view of a cartridge;
FIG. 12 is a schematic sectional view of C-section steel;
shown in the figure:
1. floor slab, 2, opening;
100. a floor slab opening safety protection device;
110. a base;
120. a clamping seat 121, a vertical piece 122 and a horizontal piece;
130. a cover plate;
140. a rail 141, a back plate 142, an upper side plate 143, a lower side plate 144, an upper front plate 145, and a lower front plate;
150. the device comprises a protective net component, 151, a first telescopic rod, 1511, an outer section rod, 1512, an inner section rod, 152, a second telescopic rod, 1521, an outer rod, 1522, an inner rod, 1523, a motor, 1524, a connecting rod, 1525, a winder, 1526, a pull wire, 1527, a pull point, 1528, a shaft, 153, a telescopic net, 1531, an upper layer telescopic net, 1532, a lower layer telescopic net, 154, a first laser range finder, 155, a second laser range finder, 156 and a controller;
160. a support;
170. and (4) expanding the screw.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings: the advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
Referring to fig. 1, fig. 1 illustrates a floor slab 1 and a hole 2 formed therein, wherein the shape of the hole 2 may be rectangular, circular or other regular polygon.
Referring to fig. 2, fig. 2 illustrates a cover plate 130 provided on an opening 2 as a conventional safety guard.
Referring to fig. 3 to 6 and 10 to 12, an embodiment of the present invention provides a floor hole safety protection device 100, including a base 110, a clamping seat 120, a cover plate 130, a rail 140 and a protection net assembly 150, wherein:
pedestals 110, which are two rows, are provided in parallel on floor slabs 1 on the opposite sides of the horizontal length or width direction of opening 2. The base 110 may be a cube of metal or non-metal. To improve the fixing effect of the foundation 110 on the floor slab 1, the foundation 110 may be provided on the floor slab 1 by expansion bolts 170.
The clamping seats 120 are two rows, and are linearly arranged on each base 110 in the row corresponding to the number of the two rows of bases 110 one by one, and each clamping seat 120 comprises a vertical part 121 and a transverse part 122 which is perpendicularly arranged on the vertical part 121 towards one side of the direction of the opening 2.
The cover plate 130 is rectangular and is arranged on the clamping base 120 to cover the hole 2. The method specifically comprises the following steps: the side surface of the cover plate 130 contacts the standing part 121 of the card socket 120, and the lower surface of the cover plate 130 contacts the cross part 122 of the card socket 120.
Two tracks 140 are arranged on the floor slab 1 along the row direction of the bases 110 and connected with all the bases 110 in the row, the tracks 140 are positioned on one side of the sideline of the hole 2, the bases 110 are positioned on one side of the sideline far away from the hole 2, the tracks 140 are C-shaped steel, a back plate 141 of the C-shaped steel is connected with the bases 110, a lower side plate 143 of the C-shaped steel is contacted with the floor slab 1, and a front plate of the C-shaped steel is close to or aligned with the sideline of the hole 2; wherein the front plate includes an upper front plate 144 and a lower front plate 145. When the upper front plate 144 or the lower front plate 145 of the C-shaped steel is close to the side line of the hole 2, the working condition of the hole 2 in a circular or regular polygon shape can be applied; when the upper front plate 144 or the lower front plate 145 of the C-shaped steel is on the side line of the hole 2, the C-shaped steel can be applied to the working condition of the rectangular hole 2.
The protection net assembly 150, which covers the opening 2, is arranged in two of the rails 140, and includes a rectangular expansion net 153, a set of opposite sides of the expansion net 153 are connected with a first expansion link 151 respectively, another set of opposite sides of the expansion net 153 are connected with a second expansion link 152 respectively, the first expansion link 151 and the second expansion link 152 are connected to form an adjustable rectangular frame, and the first expansion links 151 are inserted into the two of the rails 140 in a one-to-one correspondence manner. The first telescopic rod 151 may be disposed at one side of the extendable net 153 in the width or length direction, and the second telescopic rod 152 may be disposed at one side of the extendable net 153 in the length or width direction.
Referring to fig. 3 to 4, in the floor hole safety protection device 100 according to the embodiment of the present invention, a first safety protection facility covering the hole 2 of the floor slab 1 is formed by the base 110, the clamping seat 120 and the cover plate 130 disposed on the clamping seat 120, so as to perform a first safety protection on the personal safety of the construction worker and perform a safety protection on the falling of the tool and the building material; through base 110, track 140 and the protection net subassembly 150 that sets up on track 140 constitute the second safety protection facility that covers floor 1 entrance to a cave 2, carry out second safety protection with the personal safety to construction operation personnel, thereby realize carrying out dual protection and instrument to construction operation personnel's personal safety, building material's safety protection purpose, prevent that apron 130 from being removed the back by part or whole, protect construction operation personnel's personal safety through second safety protection facility, avoid construction operation personnel because apron 130 is removed and take place the safety risk that the high altitude falls, construction safety is improved, the problem of the potential safety hazard when single apron 130 is as the safety protection facility of floor entrance to a cave 2 has been reduced.
Referring to fig. 3 to 4 and 10 to 11, in the floor hole safety device 100 according to the embodiment of the present invention, the upright 121 of the clamping seat 120 can clamp and fix the cover plate 130 in the length direction or the width direction of the horizontal direction, so as to prevent the cover plate 130 from being displaced by an external force in the length direction or the width direction, thereby improving the reliability and stability of the cover plate 130.
Please refer to fig. 4 and fig. 6, an embodiment of the present invention provides a floor opening safety device 100, which can adjust the size of the rectangular frame formed by the first telescopic rod 151 and the second telescopic rod 152 by controlling the telescopic lengths of the first telescopic rod 151 and the second telescopic rod 152, and can adjust the size of the telescopic net 153 in the length direction and the width direction synchronously by adjusting the size of the rectangular frame, so as to adjust the area of the protective net assembly 150, so as to be suitable for the openings 2 with different specifications and sizes, and has the advantage of wide application range.
Referring to fig. 3 and 12, in the floor hole safety protection device 100 provided by the embodiment of the present invention, the rail 140 is made of C-shaped steel, which facilitates the installation of the protection net assembly 150 inserted into the rail 140, and improves the installation efficiency. The rails 140 also facilitate later maintenance disassembly and adjustment of the guard net assembly 150.
Referring to fig. 3, in the floor hole safety device 100 according to the embodiment of the present invention, the clamping seat 120 is used for supporting and fixing the cover plate 130.
Referring to fig. 4, 5 and 9, in order to adjust the size of the retractable net 153 in the length direction of the first retractable rod 151, in the floor opening safety protection device 100 according to the embodiment of the present invention, the first retractable rod 151 may be a manual retractable rod, and the retractable length of the first retractable rod 151 is manually adjusted according to the maximum distance between the first retractable rod 151 and the opening 2 at both ends of the first retractable rod 151 in the length direction, so as to manually adjust the retractable length of the retractable net 153 in the length direction of the first retractable rod 151, so as to cover the opening 2 in the length direction of the first retractable rod 151. The first telescopic rod 151 comprises an outer rod 151 and an inner rod 152 which are nested and telescopically arranged, and the manual telescopic rod can be a known technical means in the field, but is limited in that the outer rod 151 and the inner rod 152 are non-rotating telescopic structures, that is, when the outer rod 151 and the inner rod 152 are telescopic, the outer rod 151 and the inner rod 152 cannot rotate around the length direction thereof, and can only be telescopic in the length direction thereof.
Referring to fig. 4, fig. 6 and fig. 9, in order to adjust the size of the retractable net 153 rapidly in the length direction of the first retractable rod 151, in the floor opening safety protection device 100 provided in the embodiment of the present invention, the first retractable rod 151 may be an automatic retractable rod, and the controller adjusts the retractable length of the first retractable rod 151 according to the maximum distance of the first retractable rod 151 at the openings 2 at both ends of the first retractable rod 151 in the length direction, so as to automatically adjust the retractable length of the retractable net 153 in the length direction of the first retractable rod 151, so as to cover the opening 2 in the length direction of the first retractable rod 151. Wherein the automatic telescopic rod can be an oil cylinder or an air cylinder.
Referring to fig. 3, fig. 4 and fig. 6, in order to realize intelligent size adjustment of the extendable net 153 in the length direction of the second extendable rod 152, in the floor hole safety protection device 100 provided in the embodiment of the present invention, the second extendable rod 152 is an automatic extendable rod, and the protection net assembly 150 further includes:
a first laser rangefinder 154 is provided on one front plate of one of the rails 140 in alignment with one front plate of the other of the rails 140. Fig. 3 illustrates a case where the first laser range finder 154 is provided on the lower front plate 143.
And the second laser range finder 155 is aligned with one first telescopic rod 151 and arranged on the other first telescopic rod 151. Wherein two laser rangefinders may be replaced with ultrasonic sensors.
And a controller 156 connected to the first laser range finder 154 and the second laser range finder 155. The controller 156 may be disposed on one of the rails 140, and the controller 156 is illustrated in fig. 3 as being disposed on the upper side plate 142 of the rail 140.
The controller 156 automatically adjusts the telescopic length of the second telescopic rod 152 according to the distance of the first laser distance meter 154 opposite to the front plate of the rail 140 and the standard deviation value, and the controller 156 monitors the distance between the two first telescopic rods 151 through the second laser distance meter 155 to determine whether to stop automatically adjusting the telescopic length of the second telescopic rod 152, so as to automatically adjust the telescopic length of the telescopic net 153 in the length direction of the second telescopic rod 152 to cover the opening 2 in the length direction. The controller 156, the first laser distance measuring instrument 154 and the second laser distance measuring instrument 155 are used for realizing automatic intelligent adjustment of the second telescopic rod 152, so that the distance between the two first telescopic rods 151 is equal to the distance between the two rails 140, and the protection net assembly 150 is inserted into the two rails 140 through the two first telescopic rods 151. The intelligent regulation mechanism is as follows: the adjustment range of the protection net assembly 150 is determined by laser ranging. Wherein the standard deviation values may be pre-stored in the controller 156 according to multiples of the wall thickness of the rail 140. The automatic adjustment method of the second telescopic rod 152 can also be processed by the following method: the first laser range finder 154 determines the length of the hole 2 in the horizontal direction or the size of the hole in the width direction by detecting the distance between the two rails 140, sets the size of the hole 2 to be a, the second laser range finder 155 detects the distance between the two first telescopic rods 151 to be b, sets the wall thickness of the rails 140 to be c, if b is less than a +2c, the controller 156 controls the motor 1523 to stretch the outer rod 1521 and the inner rod 1522, if b is greater than or equal to a +3c, the controller 156 controls the motor 1523 to shrink the outer rod 1521 and the inner rod 1522, and b belongs to [ a +2c, a 3c ], the controller 152156 controls the motor 1523 to stop the stretching operation of the outer rod 1521 and the inner rod 1522.
Referring to fig. 4 and 6, in order to adjust the size of the telescopic net 153 in the length direction of the first telescopic rod 151 quickly, in the safety protection device 100 for a floor hole opening provided in the embodiment of the present invention, the second telescopic rod 152 includes an outer rod 1521 and an inner rod 1522 that are connected in a nested manner, the outer rod 1521 and the inner rod 1522 are respectively disposed on two first telescopic rods 151, a motor 1523 connected to the controller 156 is disposed on the first telescopic rod 151 near the outer rod 1521 or on the outer rod 1521 near one end of the first telescopic rod 151 and on the first telescopic rod 151 near the inner rod 1522 or on the inner rod 1522 near one end of the first telescopic rod 151, each motor 1523 is further vertically connected to the telescopic net 153 through a connecting rod 4, each motor 1523 is connected to a winder 1525, a pull wire is connected between the inner rod 1522 and the outer rod 1521 at the end where the winder 1525 and the connecting rod 1521 are connected, the pull wire winder 6 can be wound on the corresponding outer rod 1525, and the connecting rod 1521 is provided with a length avoiding hole for movement along the nested direction (no drawing direction). To improve the reliable connection of the pull wire 1526, the pull wire 1526 may be connected by ear plates or pull rings provided on the inner rod 1522 and the outer rod 1521. In order to avoid interference of excessive wires, the motor 1523 and the controller 156 may be wirelessly connected through a wireless network or a mobile communication network such as a 4G or 5G module. Of course, when the second telescopic rod 152 is an automatic telescopic rod, it may be an oil cylinder or an air cylinder. Wherein the controller 156 controls the motor 1523 through a motor controller of the motor 1523.
In order to realize the purpose of adjusting expansion net 153, the embodiment of the utility model provides a floor entrance to a cave safety device 100, second telescopic link 152 can be manual telescopic link, according to two distance manual adjustment between track 140 the flexible length of second telescopic link 152, with manual adjustment expansion net 153 is in the flexible length of the length direction of second telescopic link 152 makes it cover entrance to a cave 2 setting on length direction. At this time, the second expansion link 152 may have the same structure as the first expansion link 151 as a manual expansion link.
Referring to fig. 3 to fig. 5, for the purpose of improving the stability of the cover plate 130, the floor hole safety protection device 100 according to an embodiment of the present invention may further include:
and a support 160 disposed on the upper side plate 142 of each C-shaped steel, wherein an upper surface of the support 160 and an upper surface of the cross member 122 of the card socket 120 are located at the same horizontal level, and the cover plate 130 is further erected on the support 160. The improved support 160 improves the supporting force for the cover plate 130, and improves the reliability and stability of the erection of the cover plate 130. In order to uniformly apply the force, the seats 160 and the clamping seats 120 may be arranged on the upper side plate 142 of the C-shaped steel in a line corresponding to the number of the seats. The support 160 has a bearing function, and is used for bearing the stress on the middle part of the cover plate.
Referring to fig. 4 and fig. 6, in order to achieve the purpose of adjusting the telescopic net 153, in the floor hole safety protection device 100 according to an embodiment of the present invention, the telescopic net 153 may be a single layer, and the telescopic net 153 is connected to the rod body of the shortest telescopic length of the outer rod 151 and the inner rod 152 at two ends of the second telescopic rod 152 in the length direction. The inner rod 152 is connected to the telescopic net 153 only at the rod body with the shortest telescopic length, so that the telescopic net 153 can be driven to synchronously extend and contract for adjustment during the extension and contraction of the second telescopic rod 152.
Referring to fig. 9, in order to avoid that one layer of the telescopic net 153 is limited by the shortest and the largest telescopic lengths of the inner rod 153 during telescopic adjustment, the telescopic net 153 has two layers with the same specification, wherein one layer of the telescopic net 153 is connected to the outer rod 151 at two ends of the second telescopic rod 152 in the length direction, and the other layer of the telescopic net 153 is connected to the rod body of the inner rod 152 with the shortest telescopic length at two ends of the second telescopic rod 152 in the length direction. Fig. 9 illustrates the connection of the upper layer of mesh 1531 to the outer rod 1511 and the connection of the lower layer of mesh 1532 to the inner rod 1512. The double layer of the telescopic net 153 has a larger adjustment amount. Wherein the upper layer of the retractable net 1531 and the lower layer of the retractable net 1532 can be the whole piece covering the opening 2; or the part covering the opening 2 can be half-opened, and the upper and lower layers of the telescopic nets are arranged in a stacked and staggered mode.
Referring to fig. 1 to 12, an embodiment of the present invention provides a floor opening safety device 100, which can better realize the safety protection of the opening 2, and combine the informatization technology and the mechanical technology, so as to make the protection measures of the opening 2 more reliable and more standard. Simultaneously, the protection net component and the cover plate are combined to perform double protection, so that the safety risk is greatly reduced, the working efficiency is improved, the safety and the stability of the safety protection facility of the opening 2 are ensured, and the effect of safety management and control is achieved.
Referring to fig. 1 to 12, a floor hole safety protection device 100 according to an embodiment of the present invention is particularly suitable for the initial assembly of a protection net assembly 150.
The embodiment of the utility model provides a floor entrance to a cave safety device 100 can also include:
two auxiliary bases (not shown) arranged in parallel on the floor on the opposite side of the other horizontal direction of the opening, wherein the two columns of bases 110 and the two columns of auxiliary bases form a rectangular shape arranged around the opening; the clamping seat 120 is disposed on the auxiliary base, the rail 140 is not connected to the auxiliary base, and the cover plate 130 is clamped on the upright 121 of the clamping seat 120 in the length direction and the width direction, respectively. In which the subsidiary base has the same structure as the base 110 and is installed after the protection net assembly 150 is installed, the subsidiary base may be replaced with another barrier in order to improve the reliability and stability of the installation of the cover plate 130.
The present invention is not limited to the above specific embodiments, and obviously, the above described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the present invention, belong to the protection scope of the present invention. Other levels of modification and variation of the present invention will occur to those skilled in the art. Thus, if such modifications and variations of the present invention fall within the scope of the claims, then it is intended that the present invention also include such modifications and variations.

Claims (10)

1. The utility model provides a floor entrance to a cave safety device which characterized in that includes:
the bases are arranged in two rows and are arranged on the floor slabs on the opposite sides of the horizontal length direction or the width direction of the hole in parallel;
the clamping seats are arranged in two rows and are linearly arranged on each base in the row corresponding to the quantity of the two rows of the bases one by one, and each clamping seat comprises a vertical piece and a transverse piece which is vertically arranged on the vertical piece towards one side of the direction of the opening;
the cover plate covers the opening and is erected on the clamping seat;
the two tracks are arranged on the floor along the row direction of the bases and are connected with all the bases in the row, the tracks are located on one side of a side line of the hole, the bases are located on one side of the side line far away from the hole, the tracks are C-shaped steel, a back plate of the C-shaped steel is connected with the bases, a lower side plate of the C-shaped steel is in contact with the floor, and a front plate of the C-shaped steel is close to or aligned with the side line of the hole;
the protection net assembly covers the entrance to a cave and sets up two in the track, including rectangular shape's expansion net, a set of opposite side of expansion net is connected with first telescopic link respectively, another pair of edge of expansion net is connected with the second telescopic link respectively, two first telescopic link and two the second telescopic link is connected and is formed adjustable rectangle frame, two first telescopic link one-to-one inserts and sets up two in the track.
2. The floor hole safety device of claim 1, wherein the first telescopic rod is a manual telescopic rod, and the telescopic length of the first telescopic rod is manually adjusted according to the maximum distance between the holes at the two ends of the first telescopic rod in the length direction of the first telescopic rod, so that the telescopic length of the telescopic net in the length direction of the first telescopic rod is manually adjusted to enable the telescopic net to cover the hole in the length direction of the first telescopic rod.
3. The floor hole safety device of claim 1, wherein the first telescopic rod is an automatic telescopic rod, and the controller adjusts the telescopic length of the first telescopic rod according to the maximum distance between the first telescopic rod and the holes at the two ends of the first telescopic rod in the length direction of the first telescopic rod, so as to automatically adjust the telescopic length of the telescopic net in the length direction of the first telescopic rod to enable the telescopic net to cover the hole in the length direction of the first telescopic rod.
4. The floor hole safety guard of any one of claims 1-3, wherein the second telescoping rod is an automatic telescoping rod, the protection net assembly further comprising:
the first laser range finder is arranged on one front plate of the other track in an aligning way;
a second laser range finder aligned with one of the first telescopic rods and arranged on the other of the first telescopic rods
The controller is connected with the first laser range finder and the second laser range finder;
the controller automatically adjusts the telescopic length of the second telescopic rod according to the distance of the first laser range finder opposite to the front plate of the track on the opposite surface of the first laser range finder and the addition of a standard difference value, and the controller monitors the distance between the two first telescopic rods through the second laser range finder to determine whether to stop automatically adjusting the telescopic length of the second telescopic rod or not so as to automatically adjust the telescopic length of the telescopic net in the length direction of the second telescopic rod to enable the telescopic net to cover the opening in the length direction.
5. The floor hole safety device according to claim 4, wherein the second telescopic rod comprises an outer rod and an inner rod which are connected in a nested manner, the outer rod and the inner rod are respectively arranged on the two first telescopic rods, a motor connected with the controller is arranged on the first telescopic rod close to the outer rod or on the outer rod close to one end of the first telescopic rod and on the first telescopic rod close to the inner rod or on the inner rod close to one end of the first telescopic rod, each motor is also vertically connected to the telescopic net through a connecting rod, each motor is connected with a wire winder, a pull wire is connected between the wire winder and the inner rod and the outer rod at the end of the nested connection, the pull wire can be wound on the corresponding wire winder, and an avoiding hole for the connecting rod to move along the length direction of the connecting rod is arranged on the outer rod.
6. The floor hole safety device of any one of claims 1-2, wherein the second telescopic rod is a manual telescopic rod, and the telescopic length of the second telescopic rod is manually adjusted according to the distance between the two rails, so as to manually adjust the telescopic length of the telescopic net in the length direction of the second telescopic rod to cover the hole in the length direction.
7. The floor hole safety guard of claim 1, further comprising:
the support is arranged on the upper side plate of each C-shaped steel, the upper surface of the support and the upper surface of the transverse part of the clamping seat are located at the same horizontal height, and the cover plate is also erected on the support.
8. The floor hole safety shield of claim 1, wherein the base is disposed on the floor by expansion bolts.
9. The floor hole safety shield of claim 4, wherein the controller is disposed on one of the rails.
10. The floor hole safety protection device of claim 1, wherein the first telescopic rod comprises an outer rod and an inner rod which are telescopically arranged in a nested manner, the telescopic net is a layer, and two ends of the telescopic net in the length direction of the second telescopic rod are respectively connected with the rod body with the shortest telescopic length of the outer rod and the inner rod; or the telescopic nets are double layers with the same specification, wherein one layer of the telescopic nets is connected with the outer section rods at two ends of the second telescopic rods in the length direction, and the other layer of the telescopic nets is connected with the rod body with the shortest telescopic length of the inner section rods at two ends of the second telescopic rods in the length direction.
CN202221574139.3U 2022-06-22 2022-06-22 Safety protection device for floor hole Active CN217975507U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221574139.3U CN217975507U (en) 2022-06-22 2022-06-22 Safety protection device for floor hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221574139.3U CN217975507U (en) 2022-06-22 2022-06-22 Safety protection device for floor hole

Publications (1)

Publication Number Publication Date
CN217975507U true CN217975507U (en) 2022-12-06

Family

ID=84273363

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221574139.3U Active CN217975507U (en) 2022-06-22 2022-06-22 Safety protection device for floor hole

Country Status (1)

Country Link
CN (1) CN217975507U (en)

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