CN204754170U - Ratchet pawl formula anti -falling anti -roll device of lift scaffold - Google Patents
Ratchet pawl formula anti -falling anti -roll device of lift scaffold Download PDFInfo
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- CN204754170U CN204754170U CN201520470593.8U CN201520470593U CN204754170U CN 204754170 U CN204754170 U CN 204754170U CN 201520470593 U CN201520470593 U CN 201520470593U CN 204754170 U CN204754170 U CN 204754170U
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- ratchet
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- false work
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Abstract
The utility model discloses a ratchet pawl formula anti -falling anti -roll device of lift scaffold, both ends are connected with the promotion stand of building wall, lift scaffold respectively, including prevent weighing down the module, prevent inclining module and base, the one end of base is fixed in building wall, the other end through prevent weighing down the module, prevent inclining the module respectively with promote the stand and be connected, prevent weighing down the module including prevent weighing down support, step shaft, simultaneously set up internal tooth and external tooth the ratchet, be fixed in promote the stand and with the rack of external tooth meshing, with inner gearing's pawl and the spring that is used for the pawl to reset, the bottom of pawl is spacing articulated with the step shaft, the one end and base fixed connection of preventing weighing down the support, the other end and step shaft fixed connection, the step shaft rotation can be followed to ratchet and the same axle sleeve of step shaft. The utility model discloses simple structure and compact, be convenient for adjustment and installation can effectively prevent the tenesmus and the slope of scaffold, and be stable, reliable.
Description
Technical field
The utility model relates to the realm of building construction, specifically refers to the anti-fall anti-tilt device of a kind of ratchet wheel pawl type of lifting false work.
Background technology
Attachment type raise scaffold, hereinafter referred to as lifting false work, only need to set up certain altitude and be attached in high level, Super High engineering structures by the braced structures of adhering on it, rely on self jacking equipment and device, successively can climb until top out with engineering structures construction, not only to meet the auxiliary construction that decoration of exterior wall job requirements realizes successively declining, also will meet workman in the construction stages such as structure construction, installation, decoration construction and outside the building carry out operating the needs of construction technology and security protection in side.
But falling or tilting of lifting false work, can cause serious property harm or personal injury.Although existing lifting false work has certain anti-fall anti-dumping component, complex structure, reliability are poor.
Utility model content
The safety that the utility model is constructed in order to ensure building trade, improve the reliability of the anti-fall anti-dumping of lifting false work, there is provided a kind of ratchet wheel pawl type of lifting false work anti-fall anti-tilt device, structure is simple and compact, be convenient to adjustment and install, realize that lifting false work is anti-fall, anti-dumping, reliability is high simultaneously.
Two ends of the present utility model are connected with the lifting column of construction wall, lifting false work respectively, comprise anti-fall module, anti-dumping module and base; Construction wall is fixed in one end of described base, and the other end is connected with lifting column respectively by anti-fall module, anti-dumping module; Described anti-fall module comprise Anti-dropping rack, multidiameter, arrange simultaneously internal tooth and external tooth ratchet, be fixed on and promote column and the tooth bar engaged with external tooth, the ratchet engaged with internal tooth and the spring for ratchet pawl reset, the bottom of ratchet and multidiameter spacing hinged; One end of described Anti-dropping rack is fixedly connected with base, and the other end is fixedly connected with multidiameter; Described ratchet and multidiameter coaxial sleeve, can rotate along multidiameter.
The utility model is arranged between the lifting column of construction wall and lifting false work, is fixedly connected with construction wall by base, is connected with lifting column by anti-fall module, anti-dumping module, ensures the stability under lifting false work in working order and reliability.In described anti-fall module, Anti-dropping rack is fixedly connected with multidiameter, by ratchet and pawl arrangement be fixed on the tooth bar promoting column and engage.Described ratchet is coaxial with multidiameter, can along multidiameter single direction rotation, and the internal tooth of ratchet engages with ratchet, and the external tooth of ratchet engages with tooth bar.The position of described ratchet relative step axle is fixed and the swing only carrying out among a small circle along spacing hinged jointed shaft.Promote column when moving upward, tooth bar engage with the external tooth of ratchet is for driving ratchet to rotate forward, and now ratchet engages successively with the internal tooth of ratchet and damping is less, and ratchet rotates forward along multidiameter, the sustainable stable rising of lifting column; When lifting column drops suddenly, the tooth bar that engages with the external tooth of ratchet for driving ratchet backwards rotation, now ratchet larger opposition is produced to ratchet and damping comparatively greatly, ratchet cannot along multidiameter counter-rotating, promote column to be stopped, effectively prevent the accidental falling of lifting false work.
Ratchet in the utility model, ratchet, spring form a set of ratchet and pawl arrangement, realize anti-drop function.
Further, described ratchet and the spacing hinged one end of multidiameter are fixed end, and the one end of engaging with ratchet internal tooth is free end; One end of described spring and the external surface of multidiameter are fixed, and the other end is connected with free end.
The free end of described ratchet is in teeth groove in its natural state: when ratchet is for rotating forward, the free end of ratchet is inwardly move in the center of circle by the interior pressure of a certain internal tooth with fixed end, between ratchet and the tooth root of internal tooth, now produce comparatively wide arc gap and allow internal tooth to pass through, internal tooth is cancelled pressure in ratchet free end by rear, ratchet free end returns in the teeth groove of internal tooth under the elastic force effect of spring, circulation realizes ratchet rotating forward along multidiameter successively, and then lifting false work is normally raised; When ratchet is for counter-rotating, the free end of ratchet is subject to the extrapolability of its tooth top of internal tooth, but the free end of ratchet cannot produce larger counterseal to inner rotary, stops the counter-rotating of ratchet, and then prevents the unexpected tenesmus of lifting false work.
Further, described anti-dumping module comprises leading arm, rotating shaft and directive wheel; One end of described leading arm is fixedly connected with base, and the other end is connected with directive wheel by rotating shaft; Described directive wheel be arranged on the gathering sill promoting column side and be slidably connected, can along gathering sill scroll-up/down.
Described leading arm is connected with directive wheel by rotating shaft, and directive wheel is connected with lifting column by gathering sill, lifting column only can be moved up and down, effectively prevent the inclination of lifting false work, provide its stability.
Further, described anti-fall module also comprises key, and Anti-dropping rack is fixedly connected with multidiameter by key.
The utility model connects the stability improving multidiameter and be connected with Anti-dropping rack by key, and then improves overall stability.
Further, described anti-fall module also comprises clamp nut; Described clamp nut is separately positioned on the two ends of key and connects with multidiameter is stubborn.
Described clamp nut lays respectively at the two ends of key and connects, for the position of retainingf key with multidiameter is stubborn.
Further, described anti-fall module also comprises cottor pin; Described cottor pin is separately positioned on the outside of clamp nut.
Described cottor pin is used for fixing clamp nut further, prevents the displacement of clamp nut or gets loose.When lifting false work needs normally to decline, take out cottor pin and clamp nut successively, eject key, can make multidiameter rotate with ratchet, and now ratchet is to the event resolves of oppositely stopping of ratchet, and lifting false work can normally decline.
Further, described anti-fall module also comprises the outer dust cap covering in ratchet; Described dust cap to be set on multidiameter and respectively with ratchet, detent contact.
Described dust cap one be for ratchet, ratchet dust-proof, two are for auxiliary fixed ratchet wheel, ratchet and then guarantee its stability engaged.The diameter of described dust cap can be greater than ratchet, is wrapped in interior and only arranges opening in the engaged section of sour jujube wheel and rack by ratchet; Its diameter also can be greater than the tooth top of internal tooth but be less than the tooth root of external tooth.
Further, described anti-fall module also comprises sealing ring; Described sealing ring is separately positioned on the contact surface of dust cap and multidiameter, dust cap and the contact surface of ratchet and the contact surface of dust cap and ratchet.
Described sealing ring is used for auxiliary dust-proof.
Further, described gathering sill is separately positioned on the both sides promoting column, is connected respectively with the directive wheel that gathering sill is slidably connected with leading arm.
Described gathering sill is separately positioned on the both sides of lifting column and is slidably connected with corresponding directive wheel, for improving overall stability.Described gathering sill can with directive wheel one_to_one corresponding, namely a gathering sill is only slidably connected with a directive wheel; Also can not with directive wheel one_to_one corresponding, be slidably connected with two directive wheels as promoted the while that the gathering sill of column side being only slidably connected with a directive wheel and promoting the gathering sill of column opposite side.The both sides that the utility model preferably promotes column arrange two gathering sills respectively, and the corresponding directive wheel of each gathering sill is also slidably connected with it.
Further, described Anti-dropping rack, leading arm are provided with ribs.
Described ribs is used for improving overall stability further.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model effectively can prevent falling or tilting of lifting false work, stable, reliable;
(2) the utility model compact conformation, is convenient to install, adjust.
Accompanying drawing explanation
Fig. 1 is the structural representation of ratchet and pawl arrangement in the utility model.
Fig. 2 is front view of the present utility model.
Fig. 3 is top view of the present utility model.
Fig. 4 is the structural representation of anti-fall module.
Fig. 5 is the structural representation of ratchet.
Fig. 6 is the structural representation of ratchet.
Fig. 7 is the structural representation of multidiameter.
Fig. 8 is the structural representation of anti-dumping module.
Wherein: 1-base, 2-Anti-dropping rack, 3-multidiameter, 4-ratchet, 401-external tooth, 402-internal tooth, 5-tooth bar, 6-ratchet, 601-fixed end, 602-free end, 7-spring, 8-leading arm, 9-rotating shaft, 10-directive wheel, 11-gathering sill, 12-key, 13-clamp nut, 14-cottor pin, 15-dust cap, 16-sealing ring, 17-ribs, 100-construction wall, 200-promote column.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment 1:
The anti-fall anti-tilt device of ratchet wheel pawl type of a kind of lifting false work of the present embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, two ends are connected with the lifting column 200 of construction wall 100, lifting false work respectively, comprise anti-fall module, anti-dumping module and base 1; Construction wall 100 is fixed in one end of described base 1, and the other end is connected with lifting column 200 respectively by anti-fall module, anti-dumping module; Described anti-fall module comprise Anti-dropping rack 2, multidiameter 3, arrange simultaneously internal tooth 402 and external tooth 401 ratchet 4, be fixed on and promote column 200 and the tooth bar 5 engaged with external tooth 401, the ratchet 6 engaged with internal tooth 402 and the spring 7 resetted for ratchet 6, bottom and the multidiameter 3 of ratchet 6 are spacing hinged; One end of described Anti-dropping rack 2 is fixedly connected with base 1, and the other end is fixedly connected with multidiameter 3; Described ratchet 4 and multidiameter 3 coaxial sleeve, can rotate along multidiameter 3.
As shown in Figure 5, ratchet 4 is provided with internal tooth 402 and external tooth 401 simultaneously, and internal tooth 402 engages with ratchet 6, and external tooth 401 engages with tooth bar 5.
Embodiment 2:
The present embodiment does further optimization on above-described embodiment basis, and as shown in Figure 6, further, described ratchet 6 is fixed end 601 with the spacing hinged one end of multidiameter 3, and the one end of engaging with ratchet 4 internal tooth 402 is free end 602; One end of described spring 7 and the external surface of multidiameter 3 are fixed, and the other end is connected with free end 602.Other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 3:
The present embodiment does further optimization on above-described embodiment basis, and as shown in Figure 8, further, described anti-dumping module comprises leading arm 8, rotating shaft 9 and directive wheel 10; One end of described leading arm 8 is fixedly connected with base 1, and the other end is connected with directive wheel 10 by rotating shaft 9; Described directive wheel 10 be arranged on the gathering sill 11 promoting column 200 side and be slidably connected, can along gathering sill 11 scroll-up/down.Other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 4:
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of anti-fall anti-tilt device of ratchet wheel pawl type of lifting false work, two ends are connected with the lifting column 200 of construction wall 100, lifting false work respectively, comprise anti-fall module, anti-dumping module and base 1; Construction wall 100 is fixed in one end of described base 1, and the other end is connected with lifting column 200 respectively by anti-fall module, anti-dumping module; Described anti-fall module comprise Anti-dropping rack 2, multidiameter 3, arrange simultaneously internal tooth 402 and external tooth 401 ratchet 4, be fixed on and promote column 200 and the tooth bar 5 engaged with external tooth 401, the ratchet 6 engaged with internal tooth 402 and the spring 7 resetted for ratchet 6, bottom and the multidiameter 3 of ratchet 6 are spacing hinged; One end of described Anti-dropping rack 2 is fixedly connected with base 1, and the other end is fixedly connected with multidiameter 3; Described ratchet 4 and multidiameter 3 coaxial sleeve, can rotate along multidiameter 3; Described ratchet 6 is fixed end 601 with the spacing hinged one end of multidiameter 3, and the one end of engaging with ratchet 4 internal tooth 402 is free end 602; One end of described spring 7 and the external surface of multidiameter 3 are fixed, and the other end is connected with free end 602; Described anti-dumping module comprises leading arm 8, rotating shaft 9 and directive wheel 10; One end of described leading arm 8 is fixedly connected with base 1, and the other end is connected with directive wheel 10 by rotating shaft 9; Described directive wheel 10 be arranged on the gathering sill 11 promoting column 200 side and be slidably connected, can along gathering sill 11 scroll-up/down; Described anti-fall module also comprises key 12, clamp nut 13, cottor pin 14, dust cap 15 and sealing ring 16, Anti-dropping rack 2 is fixedly connected with multidiameter 3 by key 12, clamp nut 13 is separately positioned on the two ends of key 12 and connects with multidiameter 3 is stubborn, and cottor pin 14 is separately positioned on the outside of clamp nut 13; Described dust cap 15 to be set on multidiameter 3 and to contact with ratchet 4, ratchet 6 respectively, and sealing ring 16 is separately positioned on the contact surface of the contact surface of dust cap 15 and multidiameter 3, the contact surface of dust cap 15 and ratchet 4 and dust cap 15 and ratchet 6.Other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 5:
The present embodiment does further optimization on above-described embodiment basis, and as shown in Figure 8, further, described gathering sill 11 is separately positioned on the both sides promoting column 200, and the directive wheel 10 be slidably connected with gathering sill 11 is connected with leading arm 8 respectively.Other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 6:
The present embodiment does further optimization on above-described embodiment basis, and as shown in Figure 3, further, described Anti-dropping rack 2, leading arm 8 are provided with ribs 17.Other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 7:
The present embodiment does further optimization on above-described embodiment basis, and as shown in Figure 7, further, described multidiameter 3 is provided with keyway, screw thread and mounting groove; Described keyway is for placing key 12; Described screw thread is used for the stubborn of clamp nut 13 and connects; Described mounting groove is used for being located by connecting of ratchet 6 and spring 7.Other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 8:
The present embodiment does further optimization on above-described embodiment basis, and further, the quantity of described ratchet 6 is at least one.As shown in Figure 1, preferably two centrosymmetric ratchets 6, spacing hinged with multidiameter 3 respectively.Other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
Embodiment 9:
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of anti-fall anti-tilt device of ratchet wheel pawl type of lifting false work, two ends are connected with the lifting column 200 of construction wall 100, lifting false work respectively, comprise anti-fall module, anti-dumping module and base 1; Construction wall 100 is fixed in one end of described base 1, and the other end is connected with lifting column 200 respectively by anti-fall module, anti-dumping module; Described anti-fall module comprise Anti-dropping rack 2, multidiameter 3, arrange simultaneously internal tooth 402 and external tooth 401 ratchet 4, be fixed on and promote column 200 and the tooth bar 5 engaged with external tooth 401, the ratchet 6 engaged with internal tooth 402 and the spring 7 resetted for ratchet 6, bottom and the multidiameter 3 of ratchet 6 are spacing hinged; One end of described Anti-dropping rack 2 is fixedly connected with base 1, and the other end is fixedly connected with multidiameter 3; Described ratchet 4 and multidiameter 3 coaxial sleeve, can rotate along multidiameter 3; Described ratchet 6 is fixed end 601 with the spacing hinged one end of multidiameter 3, and the one end of engaging with ratchet 4 internal tooth 402 is free end 602; One end of described spring 7 and the external surface of multidiameter 3 are fixed, and the other end is connected with free end 602; Described anti-dumping module comprises leading arm 8, rotating shaft 9 and directive wheel 10; One end of described leading arm 8 is fixedly connected with base 1, and the other end is connected with directive wheel 10 by rotating shaft 9; Described directive wheel 10 be arranged on the gathering sill 11 promoting column 200 side and be slidably connected, can along gathering sill 11 scroll-up/down; Described anti-fall module also comprises key 12, clamp nut 13, cottor pin 14, dust cap 15 and sealing ring 16, Anti-dropping rack 2 is fixedly connected with multidiameter 3 by key 12, clamp nut 13 is separately positioned on the two ends of key 12 and connects with multidiameter 3 is stubborn, and cottor pin 14 is separately positioned on the outside of clamp nut 13; Described multidiameter 3 is provided with keyway, screw thread and mounting groove; Described keyway is for placing key 12; Described screw thread is used for the stubborn of clamp nut 13 and connects; Described mounting groove is used for being located by connecting of ratchet 6 and spring 7; Described dust cap 15 to be set on multidiameter 3 and to contact with ratchet 4, ratchet 6 respectively, and sealing ring 16 is separately positioned on the contact surface of the contact surface of dust cap 15 and multidiameter 3, the contact surface of dust cap 15 and ratchet 4 and dust cap 15 and ratchet 6; Described gathering sill 11 is separately positioned on the both sides promoting column 200, and the directive wheel 10 be slidably connected with gathering sill 11 is connected with leading arm 8 respectively; Described Anti-dropping rack 2, leading arm 8 are provided with ribs 17.Other parts of the present embodiment are same as the previously described embodiments, therefore repeat no more.
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to the utility model, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present utility model, all falls within protection domain of the present utility model.
Claims (10)
1. the anti-fall anti-tilt device of the ratchet wheel pawl type of lifting false work, two ends are connected with the lifting column (200) of construction wall (100), lifting false work respectively, it is characterized in that: comprise anti-fall module, anti-dumping module and base (1); Construction wall (100) is fixed in one end of described base (1), and the other end is connected with lifting column (200) respectively by anti-fall module, anti-dumping module; Described anti-fall module comprise Anti-dropping rack (2), multidiameter (3), arrange simultaneously internal tooth (402) and external tooth (401) ratchet (4), be fixed on and promote column (200) and the tooth bar (5) engaged with external tooth (401), the ratchet (6) engaged with internal tooth (402) and the spring (7) resetted for ratchet (6), bottom and the multidiameter (3) of ratchet (6) are spacing hinged; One end of described Anti-dropping rack (2) is fixedly connected with base (1), and the other end is fixedly connected with multidiameter (3); Described ratchet (4) and multidiameter (3) coaxial sleeve, can rotate along multidiameter (3).
2. the anti-fall anti-tilt device of ratchet wheel pawl type of a kind of lifting false work according to claim 1, it is characterized in that: described ratchet (6) and the spacing hinged one end of multidiameter (3) are fixed end (601), and the one end of engaging with ratchet (4) internal tooth (402) is free end (602); One end of described spring (7) and the external surface of multidiameter (3) are fixed, and the other end is connected with free end (602).
3. the anti-fall anti-tilt device of ratchet wheel pawl type of a kind of lifting false work according to claim 2, is characterized in that: described anti-dumping module comprises leading arm (8), rotating shaft (9) and directive wheel (10); One end of described leading arm (8) is fixedly connected with base (1), and the other end is connected with directive wheel (10) by rotating shaft (9); Described directive wheel (10) be arranged on the gathering sill (11) promoting column (200) side and be slidably connected, can along gathering sill (11) scroll-up/down.
4. the anti-fall anti-tilt device of ratchet wheel pawl type of a kind of lifting false work according to claim 1-3 any one, is characterized in that: described anti-fall module also comprises key (12), and Anti-dropping rack (2) is fixedly connected with multidiameter (3) by key (12).
5. the anti-fall anti-tilt device of ratchet wheel pawl type of a kind of lifting false work according to claim 4, is characterized in that: described anti-fall module also comprises clamp nut (13); Described clamp nut (13) is separately positioned on the two ends of key (12) and connects with multidiameter (3) is stubborn.
6. the anti-fall anti-tilt device of ratchet wheel pawl type of a kind of lifting false work according to claim 5, is characterized in that: described anti-fall module also comprises cottor pin (14); Described cottor pin (14) is separately positioned on the outside of clamp nut (13).
7. the anti-fall anti-tilt device of ratchet wheel pawl type of a kind of lifting false work according to claim 1-3 any one, is characterized in that: described anti-fall module also comprises the outer dust cap (15) covering in ratchet (4); Described dust cap (15) is set in multidiameter (3) and goes up and contact with ratchet (4), ratchet (6) respectively.
8. the anti-fall anti-tilt device of ratchet wheel pawl type of a kind of lifting false work according to claim 7, is characterized in that: described anti-fall module also comprises sealing ring (16); Described sealing ring (16) is separately positioned on the contact surface of the contact surface of dust cap (15) and multidiameter (3), the contact surface of dust cap (15) and ratchet (4) and dust cap (15) and ratchet (6).
9. the anti-fall anti-tilt device of ratchet wheel pawl type of a kind of lifting false work according to claim 3, it is characterized in that: described gathering sill (11) is separately positioned on the both sides promoting column (200), and the directive wheel (10) be slidably connected with gathering sill (11) is connected with leading arm (8) respectively.
10. the anti-fall anti-tilt device of ratchet wheel pawl type of a kind of lifting false work according to claim 3, is characterized in that: described Anti-dropping rack (2), leading arm (8) are provided with ribs (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520470593.8U CN204754170U (en) | 2015-07-03 | 2015-07-03 | Ratchet pawl formula anti -falling anti -roll device of lift scaffold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520470593.8U CN204754170U (en) | 2015-07-03 | 2015-07-03 | Ratchet pawl formula anti -falling anti -roll device of lift scaffold |
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| CN204754170U true CN204754170U (en) | 2015-11-11 |
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| CN201520470593.8U Expired - Fee Related CN204754170U (en) | 2015-07-03 | 2015-07-03 | Ratchet pawl formula anti -falling anti -roll device of lift scaffold |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524286A (en) * | 2017-09-20 | 2017-12-29 | 孙立民 | A kind of falling proof device of construction attachment type raise scaffold |
| CN108901815A (en) * | 2018-09-27 | 2018-11-30 | 洛阳中农富源现代农业技术有限公司 | A kind of soilless cultivation column support |
| CN111111030A (en) * | 2020-01-17 | 2020-05-08 | 浙江冰峰户外用品有限公司 | Falling stopping device for rope |
| CN111946045A (en) * | 2020-07-08 | 2020-11-17 | 深圳市特辰科技股份有限公司 | Ratchet wheel positioning anti-falling climbing frame |
| CN112360229A (en) * | 2020-10-29 | 2021-02-12 | 中国电建集团华东勘测设计研究院有限公司 | Foldable sound insulation barrier enclosure combined structure in construction period and mounting method |
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2015
- 2015-07-03 CN CN201520470593.8U patent/CN204754170U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524286A (en) * | 2017-09-20 | 2017-12-29 | 孙立民 | A kind of falling proof device of construction attachment type raise scaffold |
| CN110259099A (en) * | 2017-09-20 | 2019-09-20 | 烟台知兴知识产权咨询服务有限公司 | A kind of falling proof device of construction attachment type raise scaffold |
| CN107524286B (en) * | 2017-09-20 | 2019-11-22 | 江苏易明昌建设工程有限公司 | A kind of falling proof device of construction attachment type raise scaffold |
| CN108901815A (en) * | 2018-09-27 | 2018-11-30 | 洛阳中农富源现代农业技术有限公司 | A kind of soilless cultivation column support |
| CN111111030A (en) * | 2020-01-17 | 2020-05-08 | 浙江冰峰户外用品有限公司 | Falling stopping device for rope |
| CN111111030B (en) * | 2020-01-17 | 2024-03-26 | 浙江冰峰户外用品有限公司 | Anti-falling device for rope |
| CN111946045A (en) * | 2020-07-08 | 2020-11-17 | 深圳市特辰科技股份有限公司 | Ratchet wheel positioning anti-falling climbing frame |
| CN112360229A (en) * | 2020-10-29 | 2021-02-12 | 中国电建集团华东勘测设计研究院有限公司 | Foldable sound insulation barrier enclosure combined structure in construction period and mounting method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20151111 Termination date: 20210703 |