CN216130599U - Protective cover plate for opening - Google Patents

Protective cover plate for opening Download PDF

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Publication number
CN216130599U
CN216130599U CN202121926952.8U CN202121926952U CN216130599U CN 216130599 U CN216130599 U CN 216130599U CN 202121926952 U CN202121926952 U CN 202121926952U CN 216130599 U CN216130599 U CN 216130599U
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CN
China
Prior art keywords
slide
protective cover
cover plate
opening
slide bar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202121926952.8U
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Chinese (zh)
Inventor
刘聪
李州平
覃广华
覃瑞荣
崔洪亨
林泰民
刘汉胜
吴文庆
罗松俭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Construction First Construction Engineering Group Co ltd
Original Assignee
Guangxi Construction First Construction Engineering Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangxi Construction First Construction Engineering Group Co ltd filed Critical Guangxi Construction First Construction Engineering Group Co ltd
Priority to CN202121926952.8U priority Critical patent/CN216130599U/en
Application granted granted Critical
Publication of CN216130599U publication Critical patent/CN216130599U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a hole protective cover plate. The protective cover plate comprises a protective cover plate and a tensioning device, wherein the protective cover plate is used for covering the opening; the protective cover plate is provided with at least four slide ways, the slide ways intersect at one point, and the intersection point is superposed with the center of the protective cover plate; the tensioning device comprises a sliding rod arranged on each slide way, a cross rod used for abutting against the lower side of the opening is arranged at the lower end of each sliding rod, the sliding rods can slide along the slide ways, and locking devices are further arranged on the sliding rods. The utility model ensures the safety of the edge-facing operation of constructors in the construction process, and has the advantages of low cost, high repeated utilization rate, light weight, capability of randomly matching the size of the opening and the like.

Description

Protective cover plate for opening
Technical Field
The utility model belongs to the field of building construction, and particularly relates to a hole protective cover plate.
Background
In recent years, the country pays more and more attention to safety production management, and a construction opening is a great risk source, and the number of safety accidents caused by insufficient protection of the opening is countless every year. Therefore, in the construction process, the protection of the edge and the opening is an important mark of a safe civilized construction site and is also the key point of safety supervision and inspection, and the technical specification of high-altitude operation safety of building construction published by the office of the urban and rural construction division of housing has a clear rule for the protection of the opening.
At present, the hole protection device arranged on a construction site generally adopts a common template built by wood boards and wood beams for covering protection, but the safety of the protection template built in such a way can not meet the requirement, and the protection device has the following problems: only plays roles of arranging and dealing with inspection, has no practical protection significance, and is easy to cause accidents; the material utilization rate is low, the material is difficult to be recycled and is not durable, and the construction cost is increased. The customized steel protection device uses steel plates, aluminum materials and steel bar nets, and although the technical problems of reusability and high safety are solved, the customized steel protection device also has the defects that the sizes of holes cannot be matched randomly and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel protective cover plate aiming at the defects in the prior art, so that the safety of the edge-facing operation of constructors in the construction process is guaranteed, and the sizes of holes can be matched randomly.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a hole protective cover plate comprises a protective cover plate and a tensioning device, wherein the protective cover plate is used for covering a hole; the protective cover plate is provided with at least four slide ways, the slide ways intersect at one point, and the intersection point is superposed with the center of the protective cover plate; the tensioning device comprises a sliding rod arranged on each slide way, a cross rod used for abutting against the lower side of the opening is arranged at the lower end of each sliding rod, the sliding rods can slide along the slide ways, and a locking device used for adjusting the distance between each cross rod and the corresponding protective cover plate is further arranged on each sliding rod.
As a further improvement of the above technical solution:
the slide bar is equipped with the round cap for one end, and the body of rod is equipped with the screwed rivet screw rod, and the slide bar is vertical to be passed the slide, and the slide bar has the one end of round cap to be located the slide below, and the upper end of wearing out protective cover plate is equipped with locking device, and locking device includes nut and nut gasket, and nut gasket and nut penetrate from the slide bar upper end in proper order to nut and slide bar threaded connection.
The middle part of the cross rod is provided with a threaded through hole and is connected with the lower end of the sliding rod through the threaded through hole, and the upper surface of the cross rod is provided with a wave-shaped groove.
The cross bar is also provided with a rubber gasket, and the rubber gasket covers the upper surface of the cross bar.
The protective cover plate comprises a supporting frame and an anti-skid plate, the anti-skid plate is covered and fixed above the supporting frame, and the anti-skid plate is provided with a through groove corresponding to the slide way.
The supporting frame is made of square aluminum alloy, and the antiskid plates are made of aluminum.
The slide is the linear slide rail, and the slide all is located braced frame and is located the antiskid ribbed tile below, the both ends and the braced frame fixed connection of slide.
And a reinforcing rod is arranged between the slideways, and two ends of the reinforcing rod are respectively fixedly connected with the slideways on two sides of the included angle.
The slide way and the supporting frame, the reinforcing rod and the slide way and the antiskid plate and the supporting frame are fixed by welding.
The cross rod is made of cast iron, and the slide way is made of angle iron.
Compared with the prior art, the utility model has the advantages that:
the utility model discloses a novel standardized protective cover plate is provided with the slide on the protective cover plate and can follow the gliding straining device of slide, the entrance to a cave of adaptable not equidimension to fix protective cover plate, prevent that protective cover plate from taking place to remove, solved the unable problem of matcing the entrance to a cave size at random of traditional protective cover plate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention and do not limit the present invention.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the tensioning device of the present invention.
Fig. 3 is a top view of the utility model installed in an opening.
FIG. 4 is a bottom view of the present invention installed in a hole
Reference numbers in the figures: 1. a protective cover plate; 2. a tensioning device; 3. a locking device; 4. a slideway; 5. a reinforcing bar; 6. a nut washer; 6a, a nut; 7. a slide bar; 8. a support frame; 9. an anti-skid plate; 10. a through groove; 11. a rubber gasket; 12. a cross bar; 13. and (6) making holes.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, there will now be described in detail, with reference to the accompanying drawings, a non-limiting detailed description of the present invention.
As shown in fig. 1 to 4, the opening protective cover plate of the present embodiment includes a protective cover plate 1 for covering an opening 13 and a tensioning device 2; at least four slide ways 4 are arranged on the protective cover plate 1, the slide ways 4 are intersected at one point, and the intersection point is superposed with the center of the protective cover plate 1; the tensioning device 2 comprises a sliding rod 7 arranged on each slide way 4, a cross rod 12 used for abutting against the lower side of the hole 13 is arranged at the lower end of each sliding rod 7, the sliding rods 7 can slide along the slide ways 4, and a locking device 3 used for adjusting the distance between each cross rod 12 and the protective cover plate 1 is further arranged on each sliding rod 7.
Specifically, the slide bar 7 adopts a rivet screw rod with the length of 300mm and the diameter of 15mm, one end of the rivet screw rod is provided with a round cap, and the rod body is provided with threads. The sliding rod 7 vertically penetrates through the sliding rail 4, one end, provided with a round cap, of the sliding rod 7 is located below the sliding rail 4, the upper end, penetrating out of the protective cover plate 1, of the sliding rod is provided with the locking device 3, the locking device 3 comprises a nut 6a and a nut gasket 6, the nut gasket 6 and the nut 6a sequentially penetrate from the upper end of the sliding rod 7, and the nut 6a is in threaded connection with the sliding rod 7. The nut 6a is a high-strength self-tightening flange nut, and the nut washer 6 is a galvanized washer of M15 × 25 × 2.
The cross bar 12 is made of iron casting with the size of 300 x 38 x 17, and is provided with M14 threaded through holes in the middle part, and can be connected to the lower end of the sliding bar 7 through the threaded through holes. The upper surface of the cross bar 12 is provided with wave-shaped grooves, wherein the wave-shaped grooves are half diameter 22 circular tangent planes and are sequentially arranged from the middle part to two sides.
The cross bar 12 is further provided with a rubber gasket 11, and the rubber gasket 11 covers the upper surface of the cross bar 12. The rubber gasket 11 has the following dimensions: the length is 350mm, the width is 20mm, the thickness is 2mm, and the rubber gasket 11 and the wavy groove surface of the cross bar 12 are bonded by using a 3M self-adhesive silica gel strip.
Through sliding the slide bar 7 along the slide way 4, adjust 4 horizontal poles 12 and floor entrance to a cave 13 four corners or entrance to a cave 13 edge contact, thereby rotatory slide bar 7 makes and drives horizontal pole 12 rotatory to the floor lower part, then make horizontal pole 12 lock in the floor lower part through turning round tight nut 6a, produce a mutual power with floor upper portion protective cover 1, the ascending activity in the vertical direction of protective cover 1 has been restricted, rethread 4 straining device 2 power each other and horizontal pole 12 to floor entrance to a cave 13 frictional force make entrance to a cave protective cover also restrict the activity in the level.
Specifically, the protective cover plate 1 comprises a supporting frame 8 and an anti-skid plate 9, the anti-skid plate 9 covers and is fixed above the supporting frame 8, and a through groove 10 is formed in the position, corresponding to the slide 4, of the anti-skid plate 9. The supporting frame 8 is made of square aluminum alloy, and the antiskid plates 9 are made of aluminum plates, so that the protective cover plate 1 is lighter.
Slide 4 adopts the linear slide rail of light-duty angle steel material, and slide 4 all locates in braced frame 8 and is located antiskid ribbed tile 9 below, slide 4's both ends and braced frame 8 fixed connection. The crossed slideway 4 strengthens the stability of the supporting frame 8 and provides a certain supporting function for the antiskid plate 9. Simultaneously, be equipped with stiffener 5 between the slide 4, the both ends of stiffener 5 respectively with the slide 4 fixed connection of contained angle both sides, strengthen the steadiness of the connection between the slide 4.
In addition, between slide 4 and braced frame 8, between stiffener 5 and slide 4 to and all through welded fastening between antiskid ribbed tile 9 and the braced frame 8, form firm integral type apron, have the security high, repeatedly the high, turnover nature of utilization ratio is strong, use cost reduces, construction work volume hangs down and characteristics such as engineering time hangs down.
The use method of the utility model comprises the following steps:
when the device is not installed, the sliding rod 7 and the cross rod 12 at the lower part of the sliding rod are in a movable connection state, namely the sliding rod 7 can slide in the slideway 4 at will, and the 4 tensioning devices 2 can slide to the middle part of the protective cover plate 1 through the slideway 4 to be fixed, so that the storage and the transportation are convenient.
When the protective cover plate is installed and used, the protective cover plate 1 is laid on the opening 13, and the tensioning devices 2 on the slide ways 4 are respectively pushed outwards to four corners through the slide ways 4 and clamped below concrete plates on four sides of the opening 13. When confirming that horizontal pole 12 has blocked under the floor, use the spanner to twist nut 6a tight, can accomplish the installation of entrance to a cave protection apron fast. When the protective cover plate is detached, the nut 6a is loosened by using a wrench, the tensioning device 2 slides to the middle of the protective cover plate 1 along the slide way 4, and then the protective cover plate 1 is taken up.

Claims (10)

1. Entrance to a cave protection apron, its characterized in that: comprises a protective cover plate (1) for covering the opening (13) and a tensioning device (2); at least four slide ways (4) are arranged on the protective cover plate (1), the slide ways (4) are intersected at one point, and the intersection point is superposed with the center of the protective cover plate (1); tensioning device (2) is including locating slide bar (7) on every slide (4), and slide bar (7) lower extreme is equipped with horizontal pole (12) that are used for supporting entrance to a cave (13) downside, and slide bar (7) can be followed slide (4) and slided, and still is equipped with locking device (3) that are used for adjusting horizontal pole (12) and protective cover board (1) distance on slide bar (7).
2. The opening protective cover plate as claimed in claim 1, wherein: slide bar (7) are equipped with the round cap for one end, and the body of rod is equipped with the screwed rivet screw, and slide bar (7) are vertical to be passed slide (4), and slide bar (7) have the one end of round cap to be located slide (4) below, and the upper end of wearing out protective cover board (1) is equipped with locking device (3), and locking device (3) are including nut (6a) and nut gasket (6), and nut gasket (6) and nut (6a) penetrate from slide bar (7) upper end in proper order to nut (6a) and slide bar (7) threaded connection.
3. The opening protective cover plate as claimed in claim 2, wherein: the middle part of the cross rod (12) is provided with a threaded through hole and is connected with the lower end of the sliding rod (7) through the threaded through hole, and the upper surface of the cross rod (12) is provided with a wave-shaped groove.
4. The opening protective cover plate as claimed in claim 2, wherein: the cross rod (12) is further provided with a rubber gasket (11), and the rubber gasket (11) covers the upper surface of the cross rod (12).
5. The opening protective cover plate as claimed in claim 1, wherein: the protective cover plate (1) comprises a supporting frame (8) and an anti-skid plate (9), the anti-skid plate (9) is fixed above the supporting frame (8) in a covering mode, and a through groove (10) is formed in the position, corresponding to the slide way (4), of the anti-skid plate (9).
6. The opening protective cover plate as claimed in claim 5, wherein: the supporting frame (8) is made of square tube aluminum alloy, and the antiskid plates (9) are made of aluminum plates.
7. The opening protective cover plate as claimed in claim 5, wherein: the slide (4) is a linear slide rail, the slide (4) is arranged in the supporting frame (8) and is positioned below the antiskid plate (9), and two ends of the slide (4) are fixedly connected with the supporting frame (8).
8. The opening protective cover plate as claimed in claim 1, wherein: be equipped with stiffener (5) between slide (4), the both ends of stiffener (5) respectively with slide (4) fixed connection of contained angle both sides.
9. The opening protective cover plate as claimed in claim 1, wherein: between slide (4) and braced frame (8), between stiffener (5) and slide (4) to and all through welded fastening between antiskid ribbed tile (9) and braced frame (8).
10. The opening protective cover plate as claimed in claim 1, wherein: the cross rod (12) is made of cast iron, and the slide way (4) is made of angle iron.
CN202121926952.8U 2021-08-17 2021-08-17 Protective cover plate for opening Expired - Fee Related CN216130599U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121926952.8U CN216130599U (en) 2021-08-17 2021-08-17 Protective cover plate for opening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121926952.8U CN216130599U (en) 2021-08-17 2021-08-17 Protective cover plate for opening

Publications (1)

Publication Number Publication Date
CN216130599U true CN216130599U (en) 2022-03-25

Family

ID=80770584

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121926952.8U Expired - Fee Related CN216130599U (en) 2021-08-17 2021-08-17 Protective cover plate for opening

Country Status (1)

Country Link
CN (1) CN216130599U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220325

CF01 Termination of patent right due to non-payment of annual fee