CN210396209U - Be used for under construction entrance to a cave protector - Google Patents

Be used for under construction entrance to a cave protector Download PDF

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Publication number
CN210396209U
CN210396209U CN201921112546.0U CN201921112546U CN210396209U CN 210396209 U CN210396209 U CN 210396209U CN 201921112546 U CN201921112546 U CN 201921112546U CN 210396209 U CN210396209 U CN 210396209U
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CN
China
Prior art keywords
driving
fixedly connected
bearing
plate
top end
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Expired - Fee Related
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CN201921112546.0U
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Chinese (zh)
Inventor
李瑞宇
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China Construction Second Engineering Bureau Co Ltd
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China Construction Second Engineering Bureau Co Ltd
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Priority to CN201921112546.0U priority Critical patent/CN210396209U/en
Application granted granted Critical
Publication of CN210396209U publication Critical patent/CN210396209U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the field of constructional engineering, in particular to a protective device for an opening of a construction project, which comprises a protective plate, the left side and the right side of the bottom end of the guard plate are fixedly provided with supporting plates, the supporting plates are fixedly provided with first bearings, the first bearing is fixedly connected with a driving screw rod, the left side and the right side of the driving screw rod are respectively in threaded connection with a clamping plate, the middle part of the driving screw is fixedly connected with a driven helical gear, the driven helical gear is engaged with a driving helical gear, the top end of the driving bevel gear is fixedly connected with a driving rotating shaft, the top end of the driving rotating shaft is fixedly connected with a driving turntable, the upper end of the driving bevel gear is fixedly connected with a second bearing which is fixedly arranged in the middle of the top end of the guard plate, the backplate top left and right sides symmetry respectively installs and carries the handle, the utility model provides a small protector who facilitates the use and need not the wall nailing simultaneously.

Description

Be used for under construction entrance to a cave protector
Technical Field
The utility model relates to a building engineering field, concretely relates to be used for building engineering entrance to a cave protector.
Background
At present, in a house construction project, a formwork support system is divided into a traditional steel pipe formwork support system and a novel aluminum alloy formwork system. The traditional steel pipe formwork support body material transmission is generally carried out by erecting a discharging platform and transferring and conveying through a tower crane; the novel aluminum alloy template system adopts the mode that holes are reserved in the plate, and the next layer of material can be directly conveyed to the upper layer for use, so that manpower and material resources are saved.
For example, the chinese patent application No. CN201721136364.8 discloses a reserved hole protection device, which comprises a guard rail fixed on the edge around the reserved hole, wherein the guard rail is fixedly connected with the reserved hole through a connecting assembly, and the connecting assembly is connected with the inner wall of the reserved hole; the connecting assembly comprises a foot blocking frame and a supporting rod, one end of the supporting rod is connected with the foot blocking frame, the other end of the supporting rod is connected with the inner wall of the reserved hole, and the bottom surface of the foot blocking frame is abutted to the edge of the reserved hole; the guard rail comprises railing posts vertically arranged at four corners of the guard foot frame and an upper rod positioned between two adjacent railing posts, two ends of the upper rod are respectively and fixedly connected with the railing posts at two ends of the upper rod, and the lower ends of the railing posts are fixedly connected with the guard foot frame; the rail guard is still including being located the lower beam between upper boom and the fender foot board that corresponds, the lower beam both ends respectively with two adjacent railing post fixed connection, the utility model has the advantages that can reduce the possibility that the people falls from reserving the entrance to a cave.
The device is bulky, and it is inconvenient to use, and the device need carry out the nailing to the wall body simultaneously, can damage the wall body to a certain extent, also is inconvenient to pull out simultaneously.
To the problem, the utility model designs a be used for at construction entrance to a cave protector.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a be used for at construction entrance to a cave protector. The problem is solved as far as possible, so that the protection device which is small in size, convenient to use and free of nailing to a wall body is provided.
The utility model discloses a following technical scheme realizes:
the utility model provides a be used for building engineering entrance to a cave protector, includes the backplate, backplate bottom left and right sides fixed mounting has the backup pad, fixed mounting has first bearing in the backup pad, first bearing fixed connection drive screw, the drive screw left and right sides threaded connection has splint respectively, drive screw middle part fixedly connected with driven helical gear, driven helical gear meshing has the drive helical gear, drive helical gear top fixedly connected with drive pivot, drive pivot top fixedly connected with drive carousel, drive helical gear upper end fixedly connected with second bearing, second bearing fixed mounting is at backplate top middle part, backplate top left and right sides symmetry respectively is installed and is carried the handle.
Preferably, the middle part of the bottom end of the guard plate is provided with a driving sliding groove, and the support plate is welded and fixed at the left end and the right end of the driving sliding groove.
Preferably, the lower end of the supporting plate is further provided with a first mounting round hole, the outer ring of the first bearing is fixedly connected in the first mounting round hole, and the inner ring of the first bearing is fixedly connected with the driving screw rod.
Preferably, the left side and the right side of the driving screw rod are provided with driving threads in opposite directions, the upper end of the clamping plate is slidably connected into the driving sliding groove, the upper end of the clamping plate is provided with a driving threaded hole, and the driving threads are in threaded connection with the driving threaded hole.
Preferably, a second mounting circular hole is formed in the middle of the top end of the guard plate, the outer ring of the second bearing is fixedly connected into the second mounting circular hole, and the inner ring of the second bearing is fixedly connected with the driving rotating shaft.
Preferably, the splint are L-shaped, and the upper end of the splint is slidably connected in the driving sliding groove.
The utility model has the advantages that: the clamping plates on the two sides of the driving disc, which can be well driven by the rotation of the driving rotary disc through the matching of the two bevel gears, move oppositely or oppositely, so that the device is convenient to install and disassemble, and meanwhile, the device can well protect the hole to avoid people from dropping down carelessly, and is simple to operate and convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is an isometric view of the present invention.
In the figure: 1-protective plate, 101-driving sliding groove, 2-supporting plate, 3-first bearing, 4-driving screw, 5-clamping plate, 6-driven bevel gear, 7-driving bevel gear, 8-driving rotating shaft, 9-second bearing, 10-driving turntable and 11-lifting handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Please refer to fig. 1-3, a protective device for an entrance to a cave in construction, including a protection plate 1, a supporting plate 2 is fixedly installed on the left and right sides of the bottom end of the protection plate 1, a first bearing 3 is fixedly installed on the supporting plate 2, the first bearing 3 is fixedly connected with a driving screw 4, the left and right sides of the driving screw 4 are respectively in threaded connection with a clamping plate 5, a driven helical gear 6 is fixedly connected with the middle part of the driving screw 4, the driven helical gear 6 is in gear engagement with a driving helical gear 7, the top end of the driving helical gear 7 is fixedly connected with a driving rotating shaft 8, the top end of the driving rotating shaft 8 is fixedly connected with a driving turntable 10, the upper end of the driving helical gear 7 is fixedly connected with a second bearing 9, the.
Specifically, 1 bottom middle part of backplate is equipped with drive spout 101, both ends about drive spout 101 are fixed in 2 welded fastening of backup pad, 2 lower extremes of backup pad still are equipped with first installation round hole, 3 outer lane fixed connection of first bearing are in first installation round hole, 3 inner circle fixed connection drive screw 4 of first bearing, the 4 left and right sides of drive screw are equipped with opposite direction's drive screw thread, splint 5 upper end sliding connection is in drive spout 101, splint 5 upper end is equipped with the drive screw hole, this drive screw hole of drive screw thread connection, 1 top middle part of backplate is equipped with second installation round hole, 9 outer lane fixed connection of second bearing is in second installation round hole, 9 inner circle fixed connection drive pivot 8 of second bearing, splint 5 is the L type, and 5 upper end sliding connection of splint are in drive spout 101.
In the utility model, when the device is needed, the device is moved to the reserved hole, the operator holds the lifting handle 11 with both hands, the guard plate 1 is arranged near the hole, the device is turned to the driving turntable 10 according to the aperture of the hole, because the left and right sides of the bottom end of the guard plate 1 are fixedly provided with the supporting plate 2, the supporting plate 2 is fixedly provided with the first bearing 3, the first bearing 3 is fixedly connected with the driving screw 4, the left and right sides of the driving screw 4 are respectively connected with the clamping plate 5 by screw threads, the middle part of the driving screw 4 is fixedly connected with the driven helical gear 6, the driven helical gear 6 is engaged with the driving helical gear 7, the top end of the driving helical gear 7 is fixedly connected with the driving rotating shaft 8, the top end of the driving rotating shaft 8 is fixedly connected with the driving turntable 10, the upper end of the driving, and 3 outer lane fixed connection of first bearing in first installation round hole, 3 inner circle fixed connection drive screw 4 of first bearing, the drive screw 4 left and right sides is equipped with opposite direction's drive screw thread, splint 5 upper end sliding connection is in drive spout 101, adjust the outside end distance between splint 5 to being less than the bore hole under, remove backplate 1 directly over the bore hole and put down through carrying handle 11, when backplate 1 bottom and ground contact, rotate drive carousel 10 and make the splint 5 back of the body motion of the back of the body at both ends, and then press from both sides the wall body of bore hole position, good stability, and need not to destroy the wall body.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. A is used for building engineering entrance to a cave protector, includes backplate (1), its characterized in that: the left side and the right side of the bottom end of the guard plate (1) are fixedly provided with a support plate (2), the support plate (2) is fixedly provided with a first bearing (3), the first bearing (3) is fixedly connected with a driving screw (4), the left side and the right side of the driving screw (4) are respectively in threaded connection with a clamping plate (5), the middle part of the driving screw rod (4) is fixedly connected with a driven helical gear (6), the driven helical gear (6) is engaged with a driving helical gear (7), the top end of the driving bevel gear (7) is fixedly connected with a driving rotating shaft (8), the top end of the driving rotating shaft (8) is fixedly connected with a driving turntable (10), the upper end of the driving bevel gear (7) is fixedly connected with a second bearing (9), the second bearing (9) is fixedly installed in the middle of the top end of the protection plate (1), and the left side and the right side of the top end of the protection plate (1) are symmetrically provided with lifting handles (11) respectively.
2. The device for protecting the engineering hole under construction according to claim 1, wherein: the middle of the bottom end of the guard plate (1) is provided with a driving sliding groove (101), and the support plate (2) is welded and fixed at the left end and the right end of the driving sliding groove (101).
3. The device for protecting the engineering hole under construction according to claim 1, wherein: the lower end of the supporting plate (2) is further provided with a first mounting round hole, the outer ring of the first bearing (3) is fixedly connected in the first mounting round hole, and the inner ring of the first bearing (3) is fixedly connected with a driving screw rod (4).
4. The device for protecting the engineering hole under construction according to claim 1, wherein: the left side and the right side of the driving screw rod (4) are provided with driving threads in opposite directions, the upper end of the clamping plate (5) is connected in the driving sliding groove (101) in a sliding mode, the upper end of the clamping plate (5) is provided with a driving threaded hole, and the driving threaded hole is in threaded connection with the driving threaded hole.
5. The device for protecting the engineering hole under construction according to claim 1, wherein: the middle of the top end of the guard plate (1) is provided with a second mounting round hole, the outer ring of the second bearing (9) is fixedly connected in the second mounting round hole, and the inner ring of the second bearing (9) is fixedly connected with the driving rotating shaft (8).
6. The device for protecting the engineering hole under construction according to claim 1, wherein: splint (5) are the L type, just splint (5) upper end sliding connection is in drive spout (101).
CN201921112546.0U 2019-07-16 2019-07-16 Be used for under construction entrance to a cave protector Expired - Fee Related CN210396209U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921112546.0U CN210396209U (en) 2019-07-16 2019-07-16 Be used for under construction entrance to a cave protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921112546.0U CN210396209U (en) 2019-07-16 2019-07-16 Be used for under construction entrance to a cave protector

Publications (1)

Publication Number Publication Date
CN210396209U true CN210396209U (en) 2020-04-24

Family

ID=70354709

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921112546.0U Expired - Fee Related CN210396209U (en) 2019-07-16 2019-07-16 Be used for under construction entrance to a cave protector

Country Status (1)

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CN (1) CN210396209U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113898200A (en) * 2021-11-04 2022-01-07 中国十七冶集团有限公司 Safety protection device for building construction and operation method
CN114182973A (en) * 2021-12-16 2022-03-15 刘红霞 Safety protection plate for wire releasing hole of constructional engineering
CN115095177A (en) * 2022-07-14 2022-09-23 中国十七冶集团有限公司 Floor slab reserved hole shaping protection device and using method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113898200A (en) * 2021-11-04 2022-01-07 中国十七冶集团有限公司 Safety protection device for building construction and operation method
CN114182973A (en) * 2021-12-16 2022-03-15 刘红霞 Safety protection plate for wire releasing hole of constructional engineering
CN115095177A (en) * 2022-07-14 2022-09-23 中国十七冶集团有限公司 Floor slab reserved hole shaping protection device and using method thereof

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

Granted publication date: 20200424

Termination date: 20210716