CN105545202A - Manufacture method of hydraulic engineering detachable U-shaped crawling ladder - Google Patents
Manufacture method of hydraulic engineering detachable U-shaped crawling ladder Download PDFInfo
- Publication number
- CN105545202A CN105545202A CN201510919308.0A CN201510919308A CN105545202A CN 105545202 A CN105545202 A CN 105545202A CN 201510919308 A CN201510919308 A CN 201510919308A CN 105545202 A CN105545202 A CN 105545202A
- Authority
- CN
- China
- Prior art keywords
- connector
- prefabricated steel
- pedal
- steel
- prefabricated
- 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.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
- E06C9/02—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
- E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/082—Connections between rungs or treads and longitudinal members
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
Abstract
The invention discloses a manufacture method of a hydraulic engineering detachable U-shaped crawling ladder. The crawling ladder comprises a first prefabricated steel plate, a second prefabricated steel plate, first connection pieces, second connection pieces and pedals, wherein the first prefabricated steel plate and the second prefabricated steel plate are pre-buried in a wall body in a mutual parallel manner; one end of each first connection piece is fixed on the first prefabricated steel plate or the second prefabricated steel plate, and the first connection pieces are exposed outside the wall body; the other end of each first connection piece is provided with an opening with an upward nick, and ends of the pedals are overlapped in the nick; the first connection pieces and the pedals are vertically penetrated to be connected by the vertical second connection pieces being parallel to the wall body, and the pedals can overturn upwards around the second connection pieces. The hydraulic engineering detachable U-shaped crawling ladder is simple in design, practical in use and easy to realize. The first connection pieces are connected with the pedals through the second connection piece plug pins, and the crawling ladder is convenient to dismount and maintain.
Description
Technical field
The application relates to field of engineering technology, particularly the manufacture method of the detachable U-shaped cat ladder of a kind of hydraulic engineering.
Background technology
At present, hydraulic engineering is positioned at by-place mostly, especially pumping plant, and the design of discharge bay cat ladder adopts screw-thread steel component to be directly embedded in advance in steel concrete always.Due to long term exposure outside, cat ladder is easy to get rusty, and cat ladder after getting rusty is difficult to repair, and also causes discharge bay exterior wall to have rusty stains very unsightly; In addition, also often there are the illegal application of unrelated person or children and play and cause contingency in fixed ladder stands.
Existing City Pumping Station is built in river course scenic belt mostly, and appearance requirement will be arranged in pairs or groups with view, and originally the cat ladder design of pumping plant discharge bay has been not suitable with city landscape design requirement, the cat ladder of the application's design adopts detachable stainless steel assembling fittings to form, both attractive in appearance, non-corrosive again, and be convenient to maintenance.
Summary of the invention
The technical problem that the application will solve is for above-mentioned the deficiencies in the prior art, and provides the manufacture method of the detachable U-shaped cat ladder of hydraulic engineering that a kind of structure is simple, reasonable in design, convenience is overhauled, not easily get rusty.
For solving the problems of the technologies described above, the technical scheme that the application adopts is:
The detachable U-shaped cat ladder of a kind of hydraulic engineering, comprise the first prefabricated steel, the second prefabricated steel, the first connector, the second connector and pedal, wherein, the first prefabricated steel, the second prefabricated steel are embedded in body of wall in parallel to each other; One end of first connector is separately fixed in the first prefabricated steel and the second prefabricated steel, and the first connector is exposed to outside body of wall; The other end of the first connector offers breach opening upwards, and one end of pedal is overlapped in this breach, and the first connector is connected by with the second connector vertical running through that body of wall be arranged in parallel with pedal, and pedal upwards can overturn around the second connector.
Pedal described in the application is the U-shaped structure that stainless steel square steel pipe is made.
Pedal described in the application is that square steel pipe bending forms.
First connector described in the application is channel-section steel.
After the application adopts said structure, there is following technique effect:
The application's structure design is simple, practical, is easy to realize.First connector is connected by the second connector latch with pedal, for convenience detach, convenient for maintaining.
The breach that in the application, the first stud connector design becomes to offer upwards, makes pedal upwards can overturn around the second connector, at pedal or whole cat ladder when not using, being overturn upwards, can save space.
In the application, the first connector is fixed in the first and second prefabricated steel, and pedal is connected with the first connector, avoids pedal and contacts with the direct of body of wall, avoid the problem that existing cat ladder causes body of wall to come off.
The invention also discloses the manufacture method of the detachable U-shaped cat ladder of a kind of hydraulic engineering, its feature comprises following technology and step:
1) intercept stainless steel channel-section steel and do the first connector, channel-section steel thickness 3-5mm, groove depth, groove width 30-40mm, length 40-50mm, arranges the hole of fixed pedestal in one end of channel-section steel;
2) make strip first prefabricated steel and the second prefabricated steel with corrosion resistant plate, the thickness 2-5mm of the first prefabricated steel and the second prefabricated steel, width 5-10cm, length is with pond height; First prefabricated steel and the second prefabricated steel are welded the first connector that the 1st step obtains respectively, the first connector in first, second prefabricated steel between the upper and lower every identical, general interval 30-40cm and left and right alignment parallel; At the back side of the first prefabricated steel and the second prefabricated steel, several embedded fixing component is set respectively;
3) get stainless steel square pipe and make pedal, pedal is U-shaped, form with square tube bending or three sections of square tubes solderings, its tubing thickness 2-4mm, length, width 40-60cm, arrange screw thread or protruding anti-skid structure at pedal upper surface, get through hole respectively at the 10mm place, U-shaped openend of pedal, aperture is with the hole of the first connector;
4) get stainless steel rebar and do pin, be i.e. the second connector, the second connector diameter is less than the hole 0.5-1mm on the first connector and pedal;
5) the first prefabricated steel with the first connector the 2nd step obtained, the second prefabricated steel keep at a certain distance away and are fixed on the metope of pond so that embedded fixing component is pre-buried;
6) bipod of U-shaped pedal the 3rd step obtained when using puts into the groove being arranged in two the first connectors that the correspondence in the first prefabricated steel and the second prefabricated steel is parallel to each other respectively, inserts the second connector respectively and be fixed on by pedal and namely the first parallel connector of two, left and right can be used as upper and lower cat ladder use in hole;
7) after using U-shaped pedal upwards lifted and be folded on pool wall or reverse dismounting, be reserved on the body of wall of pond with the first prefabricated steel of the first connector, the second prefabricated steel.
Adopt the detachable U-shaped cat ladder for hydraulic engineering described in the application; body of wall is embedded into after the first and second prefabricated steel is fixedly connected with the first connector; the pressure that pedal bears has dropped in the second and first connector and prefabricated steel; body of wall is played a protective role; and the cat ladder described in the application can bearing strength large; not yielding in use procedure, may be folded on pool wall after using or fast dismantling removes.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 shows the structural representation of the detachable U-shaped cat ladder of hydraulic engineering described in the application;
Fig. 2 shows the resupinate structural representation of the detachable U-shaped cat ladder of hydraulic engineering described in the application;
Wherein have: 1. the first prefabricated steel; 2. the second prefabricated steel; 3. the first connector; 4. the second connector; 5. pedal.
Detailed description of the invention
For making the object of the application and technical scheme clearly, be clearly and completely described below in conjunction with the technical scheme of the embodiment of the present application to the application.Obviously, described embodiment is a part of embodiment of the application, instead of whole embodiments.Based on the embodiment of described the application, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of the application's protection.
As shown in Figure 1, the first prefabricated steel 1 and the second prefabricated steel 2 all fixedly mount one end of the first connector 3.
Preferably, one end of the first connector 3 is welded in the first prefabricated steel 1 and the second prefabricated steel 2.
The other end of the first connector 3 is connected with pedal 5.The other end of the first connector 3 offers breach opening upwards, and one end of pedal 5 is overlapped in this breach, and the first connector 3 is connected by with the second connector 4 vertical running through that body of wall be arranged in parallel with pedal 5, and the object of design is like this:
1, pedal 5 upwards can overturn around the second connector 4, at pedal 5 or whole cat ladder when not using, it upwards being overturn, can save space, as shown in Figure 2;
2, breach upwards, and pedal 5 is overlapped in this breach, and the side plate on breach both sides can stop pedal 5 double swerve, avoids causing landing.
Preferably, in the application, the first connector 3 is channel-section steel, has so just had ready-made breach, has saved the man-hour of scribing by bench worker gap.
Preferably, in the application, pedal 5 is square steel pipe, and raw material sources is wide, and processing is simple, is easy to realize.Pedal 5 is U-shaped structure, can by ready-made square steel pipe through preheating then bending, or can directly clod wash machine-shaping, or can also with three square steel pipe welding fabrications.
The second connector 4 described in the application can be standard component pin, also for the rod iron processed, can draw materials abundant.
Preferably, pedal 5, first connector 3 described in the application and the second connector 4 are stainless steel, and so out of doors in hydraulic engineering, it is not easy to get rusty, and especially solve the problem that City Pumping Station construction and river course scenic belt appearance requirement match.
The present embodiment also discloses the manufacture method of the detachable U-shaped cat ladder of a kind of hydraulic engineering, and its feature comprises following technology and step:
1) intercept stainless steel channel-section steel and do the first connector 3, channel-section steel thickness 3-5mm, groove depth, groove width 30-40mm, length 40-50mm, arranges the hole of fixed pedestal 5 in one end of channel-section steel;
2) make the thickness 2-5mm of strip first prefabricated steel 1 and the second prefabricated steel 2, first prefabricated steel 1 and the second prefabricated steel 2 with corrosion resistant plate, width 5-10cm, length is with pond height; First prefabricated steel 1 and the second prefabricated steel 2 are welded respectively the first connector 3, first connector 3 that the 1st step obtains in first, second prefabricated steel between the upper and lower every identical, general interval 30-40cm left and right alignment is parallel; At the back side of the first prefabricated steel 1 and the second prefabricated steel 2, several embedded fixing component is set respectively;
3) get stainless steel square pipe and make pedal 5, pedal 5 is U-shaped, form with square tube bending or three sections of square tubes solderings, its tubing thickness 2-4mm, length, width 40-60cm, arrange screw thread or protruding anti-skid structure at pedal 5 upper surface, get through hole respectively at the 10mm place, U-shaped openend of pedal 5, aperture is with the hole of the first connector 3;
4) get stainless steel rebar and do pin, namely the second connector 4, second connector 4 diameter is less than the hole 0.5-1mm on the first connector 3 and pedal 5;
5) the first prefabricated steel 1, second prefabricated steel 2 with the first connector 3 the 2nd step obtained keeps at a certain distance away and is fixed on the metope of pond so that embedded fixing component is pre-buried;
6) bipod of U-shaped pedal 5 the 3rd step obtained when using puts into the groove being arranged in two the first connectors 3 that the correspondence in the first prefabricated steel 1 and the second prefabricated steel 2 is parallel to each other respectively, inserts the second connector 4 respectively and be fixed on by pedal 5 and namely the first parallel connector 3 of two, left and right can be used as upper and lower cat ladder use in hole;
7) upwards lifted by U-shaped pedal 5 after using and be folded on pool wall or reverse dismounting, the first prefabricated steel 1, second prefabricated steel 2 with the first connector 3 is reserved on the body of wall of pond.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the application.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
The implication of the "and/or" described in the application refers to respective individualism or both simultaneous situations include interior.
The implication of " inside and outside " described in the application refers to relative to equipment itself, in the direction of sensing equipment inside is, otherwise is outward.
When the implication of " left and right " described in the application refers to reader just to accompanying drawing, the left side of reader is a left side, and the right of reader is the right side.
The indirect connection that can be the direct connection between parts also can be by other parts between parts of the implication of " connection " described in the application.
With the above-mentioned desirable embodiment according to the application for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this application technological thought, can carry out various change and amendment completely.The technical scope of this application is not limited to the content on manual, must determine its technical scope according to right.
Claims (1)
1. the manufacture method of the detachable U-shaped cat ladder of hydraulic engineering, cat ladder comprises the first prefabricated steel (1), the second prefabricated steel (2), the first connector (3), the second connector (4) and pedal (5), wherein, the first prefabricated steel (1), the second prefabricated steel (2) are embedded in body of wall in parallel to each other; One end of first connector (3) is separately fixed in the first prefabricated steel (1) and the second prefabricated steel (2), and the first connector (3) is exposed to outside body of wall; The other end of the first connector (3) offers breach opening upwards, one end of pedal (5) is overlapped in this breach, first connector (3) is connected by with the second connector (4) vertical the running through that body of wall be arranged in parallel with pedal (5), and pedal (5) upwards can overturn around the second connector (4);
The U-shaped structure that described pedal (5) is made for stainless steel square steel pipe; Described pedal (5) forms for square steel pipe bending; Described first connector (4) is channel-section steel;
The concrete manufacture method of the detachable U-shaped cat ladder of described hydraulic engineering, its feature comprises following technology and step:
1) intercept stainless steel channel-section steel and do the first connector (3), channel-section steel thickness 3-5mm, groove depth, groove width 30-40mm, length 40-50mm, arranges the hole of fixed pedestal (5) in one end of channel-section steel;
2) strip first prefabricated steel (1) and the second prefabricated steel (2) is made with corrosion resistant plate, the thickness 2-5mm of the first prefabricated steel (1) and the second prefabricated steel (2), width 5-10cm, length is with pond height; First prefabricated steel (1) and the second prefabricated steel (2) are welded the first connector (3) that the 1st step obtains respectively, first connector (3) in first, second prefabricated steel between the upper and lower every identical, general interval 30-40cm and left and right alignment parallel; At the back side of the first prefabricated steel (1) and the second prefabricated steel (2), several embedded fixing component is set respectively;
3) get stainless steel square pipe and make pedal (5), pedal (5) is U-shaped, form with square tube bending, its tubing thickness 2-4mm, length, width 40-60cm, arrange screw thread or protruding anti-skid structure at pedal (5) upper surface, get through hole respectively at the 10mm place, U-shaped openend of pedal (5), aperture is with the hole of the first connector (3);
4) get stainless steel rebar and do pin, be i.e. the second connector (4), the second connector (4) diameter is less than the hole 0.5-1mm on the first connector (3) and pedal (5);
5) the first prefabricated steel (1) with the first connector (3) the 2nd step obtained, the second prefabricated steel (2) keep at a certain distance away and are fixed on the metope of pond so that embedded fixing component is pre-buried;
6) bipod of U-shaped pedal (5) the 3rd step obtained when using puts into the groove being arranged in two the first connectors (3) that the correspondence in the first prefabricated steel (1) and the second prefabricated steel (2) is parallel to each other respectively, inserts the second connector (4) respectively and be fixed on by pedal (5) on parallel the first connector (3) in two, left and right and namely can be used as the use of upper and lower cat ladder in hole;
7) after using U-shaped pedal (5) upwards lifted and be folded on pool wall or reverse dismounting, be reserved on the body of wall of pond with first prefabricated steel (1) of the first connector (3), the second prefabricated steel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510919308.0A CN105545202B (en) | 2015-01-23 | 2015-01-23 | A kind of manufacture method of the detachable U-shaped cat ladder of hydraulic engineering |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510919308.0A CN105545202B (en) | 2015-01-23 | 2015-01-23 | A kind of manufacture method of the detachable U-shaped cat ladder of hydraulic engineering |
| CN201510036355.0A CN104594797B (en) | 2015-01-23 | 2015-01-23 | A kind of detachable U-shaped cat ladder of hydraulic engineering and manufacture method thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510036355.0A Division CN104594797B (en) | 2015-01-23 | 2015-01-23 | A kind of detachable U-shaped cat ladder of hydraulic engineering and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105545202A true CN105545202A (en) | 2016-05-04 |
| CN105545202B CN105545202B (en) | 2017-08-25 |
Family
ID=53120807
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510920049.3A Expired - Fee Related CN105464584B (en) | 2015-01-23 | 2015-01-23 | A kind of manufacture method of the detachable cat ladder of hydraulic engineering |
| CN201510919308.0A Expired - Fee Related CN105545202B (en) | 2015-01-23 | 2015-01-23 | A kind of manufacture method of the detachable U-shaped cat ladder of hydraulic engineering |
| CN201510919225.1A Pending CN105443031A (en) | 2015-01-23 | 2015-01-23 | Detachable cat ladder for hydraulic engineering |
| CN201510036355.0A Active CN104594797B (en) | 2015-01-23 | 2015-01-23 | A kind of detachable U-shaped cat ladder of hydraulic engineering and manufacture method thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510920049.3A Expired - Fee Related CN105464584B (en) | 2015-01-23 | 2015-01-23 | A kind of manufacture method of the detachable cat ladder of hydraulic engineering |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510919225.1A Pending CN105443031A (en) | 2015-01-23 | 2015-01-23 | Detachable cat ladder for hydraulic engineering |
| CN201510036355.0A Active CN104594797B (en) | 2015-01-23 | 2015-01-23 | A kind of detachable U-shaped cat ladder of hydraulic engineering and manufacture method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN105464584B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464584A (en) * | 2015-01-23 | 2016-04-06 | 苏州多固工程设计有限公司 | Manufacturing method of water conservancy project detachable ladder stand |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320381A (en) * | 2016-11-11 | 2017-01-11 | 中车建设工程有限公司 | Manhole ladder assembly |
| CN111088945A (en) * | 2019-11-08 | 2020-05-01 | 浙江大学城市学院 | Test device and method capable of climbing up and down and standing with turnover plate in reaction well |
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| JPS5893199U (en) * | 1981-12-18 | 1983-06-24 | 昌一金属株式会社 | Step fittings for utility poles |
| CN2746109Y (en) * | 2004-11-15 | 2005-12-14 | 赵汤进 | Lader and its connecting pipe fitting |
| GB2417751A (en) * | 2004-08-28 | 2006-03-08 | Caswick Ltd | Ladder with pivoting tip-up steps |
| JP4094820B2 (en) * | 2001-02-26 | 2008-06-04 | 株式会社アイ・アイ・ピー | Attachment structure for manholes, etc. |
| CN203783448U (en) * | 2014-04-04 | 2014-08-20 | 河南鼎力杆塔股份有限公司 | Fixing device for crawling ladder of large-bending-moment concrete pole |
| CN203867454U (en) * | 2014-06-09 | 2014-10-08 | 厦门嘉达环保建造工程有限公司 | Inspection well ladder stand |
| CN105464584A (en) * | 2015-01-23 | 2016-04-06 | 苏州多固工程设计有限公司 | Manufacturing method of water conservancy project detachable ladder stand |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB190817121A (en) * | 1908-08-14 | 1909-07-01 | Alfred Cotgreave | An Improvement in Automatically Folding Steps. |
| US4402385A (en) * | 1981-05-28 | 1983-09-06 | Buche Peter J | Folding step |
| CN202788598U (en) * | 2012-09-07 | 2013-03-13 | 电联工程技术股份有限公司 | Connecting rod type hidden cat ladder |
| CN203891752U (en) * | 2014-05-09 | 2014-10-22 | 滁州启鹏铁塔制造有限公司 | Anti-climbing ladder of angular tower |
| CN204511283U (en) * | 2015-01-23 | 2015-07-29 | 响水县水利建筑工程处 | The detachable U-shaped cat ladder of a kind of hydraulic engineering |
-
2015
- 2015-01-23 CN CN201510920049.3A patent/CN105464584B/en not_active Expired - Fee Related
- 2015-01-23 CN CN201510919308.0A patent/CN105545202B/en not_active Expired - Fee Related
- 2015-01-23 CN CN201510919225.1A patent/CN105443031A/en active Pending
- 2015-01-23 CN CN201510036355.0A patent/CN104594797B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5893199U (en) * | 1981-12-18 | 1983-06-24 | 昌一金属株式会社 | Step fittings for utility poles |
| JP4094820B2 (en) * | 2001-02-26 | 2008-06-04 | 株式会社アイ・アイ・ピー | Attachment structure for manholes, etc. |
| GB2417751A (en) * | 2004-08-28 | 2006-03-08 | Caswick Ltd | Ladder with pivoting tip-up steps |
| CN2746109Y (en) * | 2004-11-15 | 2005-12-14 | 赵汤进 | Lader and its connecting pipe fitting |
| CN203783448U (en) * | 2014-04-04 | 2014-08-20 | 河南鼎力杆塔股份有限公司 | Fixing device for crawling ladder of large-bending-moment concrete pole |
| CN203867454U (en) * | 2014-06-09 | 2014-10-08 | 厦门嘉达环保建造工程有限公司 | Inspection well ladder stand |
| CN105464584A (en) * | 2015-01-23 | 2016-04-06 | 苏州多固工程设计有限公司 | Manufacturing method of water conservancy project detachable ladder stand |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464584A (en) * | 2015-01-23 | 2016-04-06 | 苏州多固工程设计有限公司 | Manufacturing method of water conservancy project detachable ladder stand |
| CN105464584B (en) * | 2015-01-23 | 2017-08-04 | 河南省华通水利工程有限公司 | A kind of manufacture method of the detachable cat ladder of hydraulic engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105464584B (en) | 2017-08-04 |
| CN105464584A (en) | 2016-04-06 |
| CN104594797A (en) | 2015-05-06 |
| CN104594797B (en) | 2016-05-25 |
| CN105443031A (en) | 2016-03-30 |
| CN105545202B (en) | 2017-08-25 |
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Inventor after: Shi Zhenbin Inventor after: Ren Chuanjin Inventor after: Ren Yang Inventor after: Yu Pu Inventor after: Li Shiguang Inventor after: Jia Hai Inventor after: Chen Mingwen Inventor after: Jiang Jiatian Inventor after: Chen Hongliang Inventor after: Zhang Hongbo Inventor after: Geng Yan Inventor after: Liu Zhi Inventor before: Zhang Chaoli |
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Effective date of registration: 20170721 Address after: 250013 Shandong the Yellow River engineering group, No. four, 1 District, Qing Yang District, Shandong, Ji'nan Applicant after: Shi Zhenbin Applicant after: Ren Chuanjin Applicant after: Ren Yang Applicant after: Yu Pu Applicant after: Li Shiguang Applicant after: Jia Hai Applicant after: Chen Mingwen Applicant after: Jiang Jiatian Applicant after: Chen Hongliang Applicant after: Zhang Hongbo Applicant after: Geng Yan Applicant after: Liu Zhi Address before: 215000 Xiangcheng District, Jiangsu, Huangqiao Street headquarters economic Park Applicant before: SUZHOU DUOGU ENGINEERING DESIGN CO., LTD. |
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Granted publication date: 20170825 Termination date: 20180123 |