CN110242062A - A kind of floor unwrapping wire hole protective device - Google Patents

A kind of floor unwrapping wire hole protective device Download PDF

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Publication number
CN110242062A
CN110242062A CN201910683762.9A CN201910683762A CN110242062A CN 110242062 A CN110242062 A CN 110242062A CN 201910683762 A CN201910683762 A CN 201910683762A CN 110242062 A CN110242062 A CN 110242062A
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CN
China
Prior art keywords
hole
jack
strip
sliding block
slide bar
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Granted
Application number
CN201910683762.9A
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Chinese (zh)
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CN110242062B (en
Inventor
章浩
石正强
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China Metallurgical Construction Engineering Group Co Ltd
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China Metallurgical Construction Engineering Group Co Ltd
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Priority to CN201910683762.9A priority Critical patent/CN110242062B/en
Publication of CN110242062A publication Critical patent/CN110242062A/en
Application granted granted Critical
Publication of CN110242062B publication Critical patent/CN110242062B/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/24Safety or protective measures preventing damage to building parts or finishing work during construction

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Clamps And Clips (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

The invention discloses a kind of floor unwrapping wire hole protective devices, including cover board, a plurality of strip-shaped hole is radially evenly equipped on cover board and around its center, slide bar is provided in strip-shaped hole, the both ends of slide bar are respectively fixedly connected at the both ends of strip-shaped hole, sliding block is additionally provided in strip-shaped hole, slide opening is provided on sliding block, slide bar is passed through in slide opening, strip-shaped hole can be connected to for sliding block by, which being arranged on slide bar, provides the fixing spring of spring force far from cover plate central one end, link block is provided with below sliding block, the upper end of link block is fixedly connected on the lower surface of sliding block, link block lower end stretches out in strip-shaped hole and is fixedly connected with fixture block, fixture block tilts down extended far from one end of link block, it is formed between fixture block and cover board and fixes space, when sliding block is towards strip-shaped hole and one end far from cover plate central is mobile, floor and be located at unwrapping wire hole edge with It can be caught in fixing space.The configuration of the present invention is simple, easy to use and reliable, installation is firm, improves safety.

Description

A kind of floor unwrapping wire hole protective device
Technical field
The present invention relates to a kind of string holes protective devices, and in particular to a kind of floor unwrapping wire hole protective device.
Background technique
Large-scale commercial building with subterranean layer and aerial layer structure, when ± 0.00m or more is arrived in construction, each each floor in area Measurement need to be conducted using unwrapping wire hole.The unwrapping wire hole of indwelling should carry out protection and temporary plugging when therefore to construction.Tradition Protection to unwrapping wire hole is to be nailed together with the waste and old plank for being greater than unwrapping wire hole with wooden unit, is placed at hole as eye-catching mark. Plank plays cover board, and wooden unit prevents plank mobile.The wooden unit cracky of the eye-catching board is separated with plank, and plank is caused to fall hair Raw skill pacifies accident, influences safety in production and civilized construction.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: how to provide a kind of using letter Folk prescription just, fix stably, highly-safe floor unwrapping wire hole protective device.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
A kind of floor unwrapping wire hole protective device, including cover board are radially evenly equipped with a plurality of strip-shaped hole on cover board and around its center, Strip-shaped hole is through-hole, is provided with slide bar in strip-shaped hole along its length, and the both ends of slide bar are respectively fixedly connected on strip-shaped hole edge On the both ends of its length direction, sliding block is additionally provided in strip-shaped hole, sliding block can be slidably matched along strip-shaped hole length direction with it, Be provided with slide opening on sliding block, slide bar is passed through in slide opening and sliding block can be slidably matched along slide bar length direction with it, on slide bar and It is arranged with close to the shaft between one end of cover plate central that can be connected to strip-shaped hole for sliding block remote positioned at sliding block and strip-shaped hole The fixing spring of spring force is provided from cover plate central one end, link block is provided with below sliding block, the upper end of link block is fixed to be connected Connect on the lower surface of sliding block, link block lower end stretches out in strip-shaped hole and is fixedly connected with fixture block, fixture block far from link block one End be directed away from cover plate central direction tilt down it is extended, fixture block along its length on center line and strip-shaped hole along it Center line on length direction is in the same plane, and lower end to the spacing between cover board lower surface of link block is less than floor Thickness, the one end of fixture block far from link block to the spacing between cover board lower surface is greater than the thickness of floor, between fixture block and cover board It is formed with fixing space, when sliding block is towards strip-shaped hole and one end far from cover plate central is mobile, floor and is located at unwrapping wire hole Edge is can be caught in fixing space.
In the present invention, when use, first sliding slider keeps it mobile towards cover plate central direction, fixes spring and carries out Compression, so that all fixture blocks are concentrated towards cover plate central, then cover board alignment unwrapping wire hole is placed on floor, makes all cards Block is put into unwrapping wire hole, then unclamps each sliding block, and such sliding block just under the spring-force driven dual for fixing spring, pushes strip-shaped hole to One end far from cover plate central.During sliding block moves, while fixing space and also being moved towards the edge in unwrapping wire hole, due to The opening for fixing space is greater than slab thickness, and the edge in unwrapping wire hole can be caught in fixing space, and fix the interior of space Side is less than the thickness of floor, and the edge in unwrapping wire hole will be stuck between fixture block and cover board.Multiple fixture blocks are stuck in unwrapping wire hole simultaneously Edge it is mobile to avoid cover board, while making cover board fix stably, improve safety this makes it possible to limit to cover board.
As optimization, inserting for same center line setting is recessed on the both ends end face of the strip-shaped hole along its length respectively Hole I and jack II, the both ends of the slide bar are inserted in respectively in jack I and jack II, and jack unit is provided in jack I, top Pressure device includes the pressing plate for being fitted in I hole bottom of jack, in jack I and is located on the outside of pressing plate and is additionally provided with top plate, pressing plate with The both ends that top pressure spring and top pressure spring are provided between top plate are separately fixed on pressing plate and top plate, when top pressure spring is in certainly When right state, the spacing between pressing plate and top plate respectively opposite side is less than the hole depth of jack I, the aperture of jack I and jack II Be along the expansion aperture that its centerline direction is gradually increased to overall diameter, the slide bar and close to insertion II one end of jack It is equipped with a circle caulking groove around its circumferential direction on shaft, elastic rubber retainer ring is arranged in caulking groove, the outside portion of elastic rubber retainer ring is stretched For caulking groove notch, the annular slot with it with center line setting is offered on the hole wall of jack II, when the slide bar and is located at When one end where elastic rubber retainer ring is connected in II bottom hole of jack, the outside portion of elastic rubber retainer ring is can snap into card In slot, the slide bar and be located at counterbore one end be inserted in jack I, the slide bar and be located at arc-shaped end one end be inserted into It in jack II, top plate and is connected in counterbore bottom hole towards the side of jack I, with the spring force by top pressure spring so that institute The arc-shaped end for stating slide bar is connected in II bottom hole of jack.
When slide bar installation, one end that slide bar is located at counterbore is first installed, one end of counterbore on slide bar is inserted in slotting It in hole I, while being connected on top plate, squeezing it compresses top pressure spring, in order to which end arc-shaped on slide bar enters item It in shape hole, then inserts it into jack II, after unclamping slide bar, top pressure spring starts to spring back, to slide bar top to II side of jack To, and finally the arc-shaped end of slide bar is withstood in the bottom hole of jack II, while the lateral wall of elastic rubber retainer ring be caught in In card slot, the mobile of slide bar is accordingly limited.This makes it possible to easily be installed to slide bar, on the contrary remove when It waits, slide bar squeezes top plate, and after compressing top pressure spring, slide bar takes out out of jack II, and the expansion of jack I and jack II Opening aperture is then the insertion for facilitating slide bar.
As optimization, the upper surface of the sliding block offers accommodation groove, the slot bottom of accommodation groove along the slide bar length direction And it is recessed with pilot hole along the vertical direction close to one end of the cover plate central, the bottom hole of pilot hole is offered with its center line The perforation of setting, the center line of perforation and the center line of the slide opening are in the same plane, and the diameter of pilot hole is greater than perforation Diameter, its centerline direction is provided with guide rod in pilot hole, the lower end of guide rod is fixedly connected with the rubber of coaxial arrangement Glue stick, the diameter of rubber bar are less than penetration hole diameter, and the sum of guide rod and the length of rubber bar are greater than the hole depth of pilot hole and perforation The sum of, it is equipped with baffle ring along its circumferential direction on the shaft of guide rod, baffle ring is along pilot hole centerline direction and can be oriented to Hole is slidably matched, and extruding spring is arranged on the shaft of guide rod and between baffle ring and pilot hole bottom hole, when extruding spring When in the raw, the upper end of guide rod is stretched out in outside pilot hole and the lower end of rubber bar is located in perforation, in accommodation groove also It is provided with driving lever, one end of driving lever is hingedly connected to accommodation groove by hinged shaft and is located remotely from one end of pilot hole, and driving lever is with energy Enough to turn in accommodation groove around hinged shaft, when driving lever turns in accommodation groove around hinged shaft, the driving lever body of rod is with can be to guide rod Upper end is squeezed so that rubber bar is pressed on the slide bar, and the upper surface of the sliding block is provided with driving lever limiting device with energy Enough limited when driving lever is placed in accommodation groove to it rotates out outside accommodation groove to avoid driving lever.
Sliding block is located in strip-shaped hole, slides for convenience to it, and driving lever is arranged, and when sliding slider, will dial Bar rotates out in accommodation groove far from one end of hinged shaft, facilitates operator is hand-held to operate.When fixture block and cover board are to unwrapping wire hole edge After edge clamping, rotating lever is turned to accommodation groove, squeezes driving lever to the upper end of guide rod, guide rod is squeezed Afterwards, the lower end of rubber bar is made to stretch out perforation, rubber bar is connected on slide bar after stretching out in perforation, and continuous with guide rod squeezes Pressure, rubber bar is bigger to the extruding force of slide bar during deformation, after driving lever turns to accommodation groove, is limited and is filled by driving lever It sets and driving lever is limited, squeeze rubber bar persistently to slide bar, make sliding block is more firm to be fixed on slide bar.
As optimization, the driving lever limiting device includes the vertical shaft for being fixedly connected on the sliding block upper surface, and vertical shaft is located at The side of the accommodation groove along its length, the central axis of the vertical shaft plane where cover board are provided with limit on vertical shaft One end of bar and gag lever post is set in can be rotated around vertical shaft on vertical shaft, on the axis body of vertical shaft and is located at the upper of gag lever post Square thread is connected with limited cap and is limited with moving up to gag lever post along vertical shaft centerline direction, when the driving lever is located at institute When stating in accommodation groove, gag lever post is limited with that can turn to above the driving lever with rotating out the accommodation groove to the driving lever Position.
As optimization, it is extended to have to described along the pilot hole length direction at the upper end aperture of the pilot hole and leads To the guide groove of the hole other end, convexes to form on the shaft of the guide rod and close to one end of the rubber bar and be inserted into In guide groove and the guide pad that can be slidably matched along guide groove length direction with it.
As optimization, the guide rod has convexed to form tabletting far from one end of the rubber bar, in the guide rod Heart line direction is located at tabletting along guide rod center line perpendicular to plane where tabletting, projection of the guide rod on its centerline direction In projection on direction.
In conclusion the beneficial effects of the present invention are: the configuration of the present invention is simple, easy to use and reliable, installation is firm, mentions High safety.
Detailed description of the invention
In order to keep the purposes, technical schemes and advantages of invention clearer, the present invention is made into one below in conjunction with attached drawing The detailed description of step, in which:
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is enlarged diagram at A in Fig. 1.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing.
As depicted in figs. 1 and 2, one of present embodiment floor unwrapping wire hole protective device, including cover board 1, lid A plurality of strip-shaped hole 2 is radially evenly equipped on plate 1 and around its center, and strip-shaped hole 2 is through-hole, in strip-shaped hole 2 along its length It is provided with slide bar 3, the both ends of slide bar 3 are respectively fixedly connected on the both ends along its length of strip-shaped hole 2, in strip-shaped hole 2 also It is provided with sliding block 4, sliding block 4 can be slidably matched along 2 length direction of strip-shaped hole with it, slide opening is provided on sliding block 4, slide bar 3 is worn Excessively slide opening and sliding block 4 can be slidably matched along 3 length direction of slide bar with it on slide bar 3 and is located at sliding block 4 and leans on strip-shaped hole 2 The shaft being bordering between one end of cover plate central, which is arranged with, to be connected to strip-shaped hole 2 for sliding block 4 and mention far from 1 center one end of cover board For the fixing spring 5 of spring force, the lower section of sliding block 4 is provided with link block 6, and the upper end of link block 6 is fixedly connected under sliding block 4 On surface, 6 lower end of link block stretches out in strip-shaped hole 2 and is fixedly connected with fixture block 7, and the one end of fixture block 7 far from link block 6 is towards far Tilted down from 1 center position of cover board it is extended, fixture block 7 along its length on center line and strip-shaped hole 2 along its length Center line on direction is in the same plane, and the lower end of link block 6 is less than the thickness of floor to the spacing between 1 lower surface of cover board Degree, the one end of fixture block 7 far from link block 6 to the spacing between 1 lower surface of cover board are greater than the thickness of floor, fixture block 7 and cover board 1 it Between be formed with and fix space, when sliding block 4 is towards strip-shaped hole 2 and one end far from 1 center of cover board is mobile, floor and be located at unwrapping wire The edge in hole is can be caught in fixing space.
In present embodiment, the upper surface of the sliding block 4 offers accommodation groove along 3 length direction of slide bar, holds It sets the slot bottom of slot and is recessed with pilot hole 8 along the vertical direction close to the one end at 1 center of cover board, the bottom hole of pilot hole 8 is opened Equipped with the perforation 9 being arranged with its center line, perforate 9 center line and the slide opening center line it is in the same plane, guiding The diameter in hole 8 is greater than the diameter of perforation 9, and pilot hole 8 is interior to be provided with guide rod 10, the lower end of guide rod 10 with its centerline direction It is fixedly connected with the rubber bar 11 of coaxial arrangement, the diameter of rubber bar 11 is less than 9 diameters of perforation, guide rod 10 and rubber bar 11 The sum of length is greater than the sum of the hole depth of pilot hole 8 and perforation 9, is equipped with baffle ring along its circumferential direction on the shaft of guide rod 10 12, baffle ring 12 on the shaft of guide rod 8 and is located at baffle ring can be slidably matched along 8 centerline direction of pilot hole with pilot hole 8 It is arranged between 12 and 8 bottom hole of pilot hole and squeezes spring 13, when squeezing spring 13 in the raw, the upper end of guide rod 10 It stretches out in that pilot hole 8 is outer and the lower end of rubber bar 11 is located in perforation 9, is additionally provided with driving lever 14 in accommodation groove, the one of driving lever 14 End is hingedly connected to accommodation groove by hinged shaft and is located remotely from one end of pilot hole 8, and driving lever 14 around hinged shaft can turn to appearance It sets in slot, when driving lever 14 turns in accommodation groove around hinged shaft, 14 body of rod of driving lever is can squeeze the upper end of guide rod 10 It presses so that rubber bar 11 is pressed on the slide bar 3, the upper surface of the sliding block 4 is provided with driving lever limiting device can dial It is limited when bar 14 is placed in accommodation groove and is rotated out outside accommodation groove to avoid driving lever 14.
In present embodiment, the driving lever limiting device includes the vertical shaft for being fixedly connected on 4 upper surface of sliding block, Vertical shaft is located at the side of the accommodation groove along its length, and the central axis of vertical shaft is set in 1 place plane of cover board, vertical shaft The one end for being equipped with gag lever post and gag lever post is set on vertical shaft can be rotated around vertical shaft, on the axis body of vertical shaft and is located at limit It is threaded with limited cap above the bar of position to limit to move up gag lever post along vertical shaft centerline direction, when described group When bar 14 is located in the accommodation groove, gag lever post is can turn to 14 top of driving lever to rotate out institute to the driving lever 14 Accommodation groove is stated to be limited.
In present embodiment, it is extended at the upper end aperture of the pilot hole 8 along 8 length direction of pilot hole Have to the guide groove of 8 other end of pilot hole, on the shaft of the guide rod 10 and close to one end of the rubber bar 11 Convex to form the guide pad that is inserted into and can be slidably matched in guide groove and along guide groove length direction with it.
In present embodiment, the guide rod 10 has convexed to form tabletting 15 far from one end of the rubber bar 11, The centerline direction of the guide rod 10 is perpendicular to 15 place plane of tabletting, projection position of the guide rod 10 on its centerline direction In tabletting 15 along the projection on 10 centerline direction of guide rod.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although passing through ginseng According to the preferred embodiment of the present invention, invention has been described, it should be appreciated by those of ordinary skill in the art that can To make various changes to it in the form and details, without departing from the present invention defined by the appended claims Spirit and scope.

Claims (6)

1. a kind of floor unwrapping wire hole protective device, including cover board, it is characterised in that: on cover board and radially uniformly distributed around its center There is a plurality of strip-shaped hole, strip-shaped hole is through-hole, is provided with slide bar in strip-shaped hole along its length, and the both ends of slide bar are fixed respectively to be connected It connects on strip-shaped hole both ends along its length, sliding block is additionally provided in strip-shaped hole, sliding block can be along strip-shaped hole length direction It is slidably matched with it, is provided with slide opening on sliding block, slide bar is passed through in slide opening and sliding block can be slided along slide bar length direction with it Cooperate, is arranged with and can be supported for sliding block close to the shaft between one end of cover plate central on slide bar and positioned at sliding block and strip-shaped hole It connects and provides the fixing spring of spring force far from cover plate central one end in strip-shaped hole, be provided with link block, link block below sliding block Upper end be fixedly connected on the lower surface of sliding block, link block lower end stretches out in strip-shaped hole and is fixedly connected with fixture block, and fixture block is remote From one end of link block be directed away from cover plate central direction tilt down it is extended, fixture block along its length on center line With strip-shaped hole along its length on center line be in the same plane, the lower end of link block is between cover board lower surface Away from the thickness for being less than floor, the one end of fixture block far from link block to the spacing between cover board lower surface is greater than the thickness of floor, card Be formed between block and cover board and fix space, when sliding block is towards strip-shaped hole and one end far from cover plate central is mobile, floor and Positioned at the edge in unwrapping wire hole can be caught in fixing space.
2. a kind of floor unwrapping wire hole according to claim 1 protective device, it is characterised in that: the strip-shaped hole is along its length The jack I and jack II of same center line setting are recessed on the both ends end face in direction respectively, the both ends of the slide bar are inserted into respectively In in jack I and jack II, being provided with jack unit in jack I, jack unit includes the pressing plate for being fitted in I hole bottom of jack, In jack I and it is located on the outside of pressing plate and is additionally provided with top plate, top pressure spring and top pressure spring is provided between pressing plate and top plate Both ends are separately fixed on pressing plate and top plate, when top pressure spring in the raw when, pressing plate and top plate respectively opposite side it Between spacing be less than the hole depth of jack I, the aperture of jack I and jack II is to be gradually increased along its centerline direction to overall diameter Expansion aperture, the slide bar and close to around its circumferential direction being equipped with a circle caulking groove, caulking groove on the shaft of insertion II one end of jack It is inside arranged with elastic rubber retainer ring, the outside portion of elastic rubber retainer ring stretches out in caulking groove notch, offers on the hole wall of jack II With it with the annular slot of center line setting, one end when the slide bar and where being located at elastic rubber retainer ring is connected to jack II When in bottom hole, the outside portion of elastic rubber retainer ring is can snap into card slot, the slide bar and one end insertion for being located at counterbore In in jack I, the slide bar and one end for being located at arc-shaped end is inserted in jack II, top plate and towards the side of jack I Be connected in counterbore bottom hole, with by the spring force of top pressure spring so that the arc-shaped end of the slide bar is connected to II hole of jack On bottom.
3. a kind of floor unwrapping wire hole according to claim 1 protective device, it is characterised in that: the upper surface edge of the sliding block The slide bar length direction offers accommodation groove, the slot bottom of accommodation groove and close to one end of the cover plate central along the vertical direction It is recessed with pilot hole, the bottom hole of pilot hole offers the perforation with the setting of its center line, the center line of perforation and the slide opening Center line is in the same plane, and the diameter of pilot hole is greater than the diameter of perforation, is provided in pilot hole with its centerline direction Guide rod, the lower end of guide rod are fixedly connected with the rubber bar of coaxial arrangement, and the diameter of rubber bar is less than penetration hole diameter, guide rod It is greater than the sum of pilot hole and the hole depth of perforation with the sum of the length of rubber bar, is equipped on the shaft of guide rod along its circumferential direction Baffle ring, baffle ring can be slidably matched along pilot hole centerline direction with pilot hole, on the shaft of guide rod and be located at baffle ring with Extruding spring is arranged between pilot hole bottom hole, when squeezing spring in the raw, the upper end of guide rod stretches out in guiding Outside the hole and lower end of rubber bar is located in perforation, and driving lever is additionally provided in accommodation groove, and one end of driving lever is articulated and connected by hinged shaft In accommodation groove and it is located remotely from one end of pilot hole, driving lever around hinged shaft can turn in accommodation groove, when driving lever turns around hinged shaft When moving to accommodation groove, the driving lever body of rod is can squeeze the upper end of guide rod so that rubber bar is pressed on the slide bar On, the upper surface of the sliding block be provided with driving lever limiting device with it can be limited when driving lever is placed in accommodation groove with Driving lever is avoided to rotate out outside accommodation groove.
4. a kind of floor unwrapping wire hole according to claim 3 protective device, it is characterised in that: the driving lever limiting device packet The vertical shaft for being fixedly connected on the sliding block upper surface is included, vertical shaft is located at the side of the accommodation groove along its length, vertical shaft Central axis plane where the cover board, one end that gag lever post and gag lever post are provided on vertical shaft are set on vertical shaft with can be around Vertical shaft is rotated, on the axis body of vertical shaft and be located at gag lever post above be threaded with limited cap with to gag lever post along vertical shaft Heart line direction, which moves up, to be limited, and when the driving lever is located in the accommodation groove, gag lever post is described can turn to It is limited above driving lever with rotating out the accommodation groove to the driving lever.
5. a kind of floor unwrapping wire hole according to claim 3 protective device, it is characterised in that: the upper end hole of the pilot hole Being extended at mouthful along the pilot hole length direction has to the guide groove of the pilot hole other end, the shaft of the guide rod It is upper and convexed to form and be inserted into guide groove and can be along guide groove length direction and its close to one end of the rubber bar The guide pad being slidably matched.
6. a kind of floor unwrapping wire hole according to claim 3 protective device, it is characterised in that: the guide rod is far from described One end of rubber bar has convexed to form tabletting, and the centerline direction of the guide rod is perpendicular to plane where tabletting, guide rod edge Projection on its centerline direction is located at tabletting along the projection on guide rod centerline direction.
CN201910683762.9A 2019-07-26 2019-07-26 Floor unwrapping wire hole protection device Active CN110242062B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910683762.9A CN110242062B (en) 2019-07-26 2019-07-26 Floor unwrapping wire hole protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910683762.9A CN110242062B (en) 2019-07-26 2019-07-26 Floor unwrapping wire hole protection device

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CN110242062A true CN110242062A (en) 2019-09-17
CN110242062B CN110242062B (en) 2024-03-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111456475A (en) * 2020-04-26 2020-07-28 中冶建工集团有限公司 Safety protection construction method for horizontal hole of building floor plate
CN114182973A (en) * 2021-12-16 2022-03-15 刘红霞 Safety protection plate for wire releasing hole of constructional engineering

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CN205476558U (en) * 2016-01-26 2016-08-17 中建海峡建设发展有限公司 Hole apron fixing device is reserved to floor
CN205955247U (en) * 2016-08-29 2017-02-15 中国建筑第五工程局有限公司安徽分公司 Unwrapping wire hole protection device
CN206376567U (en) * 2017-01-09 2017-08-04 山东华邦建设集团有限公司 Drainage pipeline hole to be provided protector
CN207225153U (en) * 2017-08-17 2018-04-13 新昌县大市聚镇韩诚机械厂 A kind of mounting structure of automotive interior handrail
CN207761305U (en) * 2018-01-16 2018-08-24 中冶建工集团有限公司 Connecting rod inserting lock device
CN208844953U (en) * 2018-09-25 2019-05-10 湖南省第四工程有限公司 A kind of safety device for reserved opening of constructing
CN210738116U (en) * 2019-07-26 2020-06-12 中冶建工集团有限公司 Floor pay-off hole protection device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140045474A (en) * 2014-03-05 2014-04-16 박신자 Safety guard frame for protecting a falling accident of opening
CN205476558U (en) * 2016-01-26 2016-08-17 中建海峡建设发展有限公司 Hole apron fixing device is reserved to floor
CN205955247U (en) * 2016-08-29 2017-02-15 中国建筑第五工程局有限公司安徽分公司 Unwrapping wire hole protection device
CN206376567U (en) * 2017-01-09 2017-08-04 山东华邦建设集团有限公司 Drainage pipeline hole to be provided protector
CN207225153U (en) * 2017-08-17 2018-04-13 新昌县大市聚镇韩诚机械厂 A kind of mounting structure of automotive interior handrail
CN207761305U (en) * 2018-01-16 2018-08-24 中冶建工集团有限公司 Connecting rod inserting lock device
CN208844953U (en) * 2018-09-25 2019-05-10 湖南省第四工程有限公司 A kind of safety device for reserved opening of constructing
CN210738116U (en) * 2019-07-26 2020-06-12 中冶建工集团有限公司 Floor pay-off hole protection device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111456475A (en) * 2020-04-26 2020-07-28 中冶建工集团有限公司 Safety protection construction method for horizontal hole of building floor plate
CN111456475B (en) * 2020-04-26 2022-05-03 中冶建工集团有限公司 Safety protection construction method for horizontal opening of building floor plate
CN114182973A (en) * 2021-12-16 2022-03-15 刘红霞 Safety protection plate for wire releasing hole of constructional engineering

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