CN104594798A - Quick disassembling hydraulic engineering overhaul crawling ladder and manufacture method thereof - Google Patents
Quick disassembling hydraulic engineering overhaul crawling ladder and manufacture method thereof Download PDFInfo
- Publication number
- CN104594798A CN104594798A CN201510036354.6A CN201510036354A CN104594798A CN 104594798 A CN104594798 A CN 104594798A CN 201510036354 A CN201510036354 A CN 201510036354A CN 104594798 A CN104594798 A CN 104594798A
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- China
- Prior art keywords
- connector
- prefabricated steel
- pedal
- steel
- hydraulic engineering
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- 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
Links
- 238000000034 method Methods 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 230000009193 crawling Effects 0.000 title abstract 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 94
- 239000010959 steel Substances 0.000 claims abstract description 94
- 241000282326 Felis catus Species 0.000 claims description 20
- 238000012423 maintenance Methods 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 238000005086 pumping Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000880313 Catopuma badia Species 0.000 description 1
- 229910000754 Wrought iron Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
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
- E06C9/04—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted in the form of climbing irons or the like
-
- 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
- E06C7/50—Joints or other connecting parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a quick disassembling hydraulic engineering overhaul crawling ladder. The quick disassembling hydraulic engineering overhaul crawling ladder comprises a first prefabricated steel plate, a second prefabricated steel plate, a first contention piece, a second contention piece, a third contention piece, bolts and a pedal, wherein the first prefabricated steel plate and the second prefabricated steel plate are located in the same plane, and the first prefabricated steel plate, the second prefabricated steel plate and the first contention piece are embedded in the wall; one end of the first contention piece is respectively fixed on the first prefabricated steel plate and the second prefabricated steel plate; two ends of the second contention piece are respectively opened with the external thread; one end of the third contention piece is provided with the external thread while the other end of the third contention piece is provided with a positioning hole; the pedal 7 is provided with a bolt pin and two holes through which the second contention piece and the third contention piece can pass; the other end of the first contention piece is connected with one end of each of the second contention piece and the third contention piece in a detachable mode; the other end of the second contention piece is connected with the pedal in a detachable mode; one end of the third contention piece is connected with the pedal through the bolt. The crawling ladder is characterized in that the crawling ladder is quickly mounted and dismounted and convenient to overhaul.
Description
Technical field
The application relates to field of engineering technology, particularly relates to a kind of the maintenance cat ladder for hydraulic engineering pumping plant discharge bay and manufacture method thereof of fast demountable.
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 easy access.
Summary of the invention
The technical problem that the application solves: the application for above-mentioned the deficiencies in the prior art, provide a kind of structure simple, reasonable in design, not easily get rusty, dismounting hydraulic engineering quickly and easily maintenance cat ladder and manufacture method thereof.
For solving the problems of the technologies described above, the application by the following technical solutions:
A kind of fast dismounting hydraulic engineering maintenance cat ladder, comprise the first prefabricated steel, the second prefabricated steel, the first connector, the second connector, the 3rd connector, latch and pedal, wherein the first prefabricated steel and the second prefabricated steel are arranged in same plane and the first prefabricated steel, the second prefabricated steel and the first connector are embedded into body of wall; One end of first connector is separately fixed in the first prefabricated steel and the second prefabricated steel; External screw thread is offered respectively in the two ends of the second connector; External screw thread is offered in one end of 3rd connector, and the other end offers locating hole; Pedal is preset a pin hole, two holes supplying the second connector and the 3rd connector to pass respectively; One end of the other end of the first connector and the second connector and the 3rd connector removably connects; The other end and the pedal of the second connector removably connect; One end of 3rd connector is connected by latch with pedal.
The groove of lower ending opening is arranged in the hole that pedal described in the application passes for the 3rd connector, and groove is fastened on the 3rd connector, and latch is through pin hole and locating hole fixed pedestal and the 3rd connector.
Pedal described in the application is rectangular steel plates, and the second connector through the hole that pedal is preset, and is bolted.
Preferably, described in the application, surface of steel plate is provided with anti-skid structure.
Further, anti-skid structure described in the application is antiskid thread or anti-skidding projection.
In the application, the other end of the first connector offers the internal thread be connected with the second connector and the 3rd connector.
In the application, one end of the first connector and the first prefabricated steel or the second prefabricated steel are welded and fixed.
The invention also discloses the manufacture method of above-mentioned a kind of fast dismounting hydraulic engineering maintenance cat ladder, its feature comprises following technology and step:
1) get stainless steel steel rod diameter 18-25mm, length 20-30cm makes the second connector and the 3rd connector, and at the two ends threading of the second connector, external screw thread is arranged in one end of the 3rd connector, and the other end arranges locating hole;
2) get stainless steel nut as the first connector, and the internal thread of the first connector mates with one end external screw thread of the second connector and the 3rd connector;
3) get corrosion resistant plate and make pedal, pedal is rectangle, its thickness 15-25mm, height 20-30mm, length 40-60cm, arrange screw thread or protruding anti-skid structure at pedal upper surface, in pedal one end, 20-30mm place gets through hole, other end 20-30mm place arranges the groove that Open Side Down, and aperture and recess width are greater than the second connector and the 3rd connector diameter 2mm, arrange horizontal pin hole in one end of the recessing of pedal;
4) 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 weld the first connector 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;
5) the first prefabricated steel with the first connector the 4th 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) the second connector the 1st step obtained when using screws in the first connector be arranged in the first prefabricated steel, and the 3rd connector one end screws in the first connector be arranged in the second prefabricated steel; Be arranged on by pedal on the second connector and the 3rd connector, the second connector and pedal are fixed by nut, and the 3rd connector and pedal are fixed by latch;
7) reverse dismounting after using, is reserved on the body of wall of pond with the first prefabricated steel of the first connector, the second prefabricated steel.
Beneficial effect
After the application adopts above technical scheme, there is following technique effect: the application's structure design is simple, practical, be easy to realize.External screw thread is offered at second connector two ends, removably connects respectively with the first connector and pedal, the 3rd connector and pedal offers pin hole, is connected by latch, thus make cat ladder have quickly dismantled, convenient maintenance.
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, 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 is the structural representation that described in the application, cat ladder is easily overhauled in fast dismounting hydraulic engineering;
Fig. 2 is the elevation of pedal described in the application;
Fig. 3 is the left view of the 3rd connector described in the application.
Wherein, 1. the first prefabricated steel; 2. the second prefabricated steel; 3. the first connector; 4. the second connector; 5. the 3rd connector; 6. latch; 7. pedal; 51. locating holes; 71. grooves; 72. pin holes.
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.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, first prefabricated steel 1 and the second prefabricated steel 2 are positioned at same plane, one end of first connector 3 is fixedly installed in the first prefabricated steel 1 and the second prefabricated steel 2 respectively, and the other end of the first connector 3 is connected with the second connector 4 and the 3rd connector 5.
Preferably, one end of the first connector 3 is welded in the first prefabricated steel 1 or the second prefabricated steel 2.
Further, also by bolt assembly, one end of the first connector 3 can be fixedly connected in the first prefabricated steel 1 or the second prefabricated steel 2.
The second connector 4 described in the application is stainless steel rod iron, and external screw thread is offered respectively in the two ends of the second connector 4, and second connector 4 one end is connected with the first connector 3, and second connector 4 other end is connected with pedal 7.
External screw thread is offered in the 3rd connector 5 one end described in the application, and be connected with the first connector, the other end offers pin hole, corresponding with the pin hole on pedal.
In the application, the other end of the first connector 3, namely be positioned at the one end be connected with the second connector 4 and the 3rd connector 5 and offer internal thread, be threaded connection with the second connector 4 and the 3rd connector 5, the beneficial effect of design is like this: the second connector 4 and the 3rd connector 5 can removably connect with the first connector 3 very easily.
In the application, pedal 7 is preset a pin hole 72, two respectively for the hole that the second connector 4 and the 3rd connector 5 pass, wherein the second connector 4 is bolted with pedal 7, and the 3rd connector 5 is fixed by latch 6 with pedal 7.
Preferably, the groove 71 of lower ending opening is arranged in the hole that pedal 7 described in the application passes for the 3rd connector 5, and groove 71 is fastened on the 3rd connector 5, and latch 6 is through pin hole 72 and locating hole 51 fixed pedestal 7 and the 3rd connector 5.
Preferably, pedal 7 is rectangular steel plates, and is provided with anti-skid structure on its surface, and anti-skid structure can be antiskid thread or anti-skidding projection.
Parts involved in the application, as the first prefabricated steel 1, second prefabricated steel 2, first connector 3, second connector 4, the 3rd connector 5, latch 6 and pedal 7 are stainless steel material, even if be applied in outdoor engineering like this, also not easily get rusty, especially solve the problem that City Pumping Station construction and river course scenic belt appearance requirement match.
The present embodiment also discloses a kind of manufacture method of fast dismounting hydraulic engineering maintenance cat ladder, and its feature comprises following technology and step:
1) get stainless steel steel rod diameter 18-25mm, length 20-30cm makes the second connector 4 and the 3rd connector 5, and at the two ends threading of the second connector 4, external screw thread is arranged in one end of the 3rd connector 5, and the other end arranges locating hole 51;
2) get stainless steel nut as the first connector 3, and the internal thread of the first connector 3 mates with one end external screw thread of the second connector 4 and the 3rd connector 5;
3) get corrosion resistant plate and make pedal 7, pedal 7 is rectangle, its thickness 15-25mm, height 20-30mm, length 40-60cm, arrange screw thread or protruding anti-skid structure at pedal 7 upper surface, in pedal 7 one end, 20-30mm place gets through hole, other end 20-30mm place arranges the groove 71 that Open Side Down, and aperture and recess width are greater than the second connector 4 and the 3rd connector 5 diameter 2mm, arrange horizontal pin hole 72 in one end of the recessing 71 of pedal 7;
4) 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 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;
5) the first prefabricated steel 1, second prefabricated steel 2 with the first connector 3 the 4th 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) the second connector 4 the 1st step obtained when using screws in first connector the 3, three connector 5 one end be arranged in the first prefabricated steel 1 and screws in the first connector 3 be arranged in the second prefabricated steel 2; Be arranged on by pedal 7 on second connector 4 and the 3rd connector 5, the second connector 4 and pedal 7 are fixed by nut, and the 3rd connector 5 and pedal 7 are fixed by latch 6;
7) reverse dismounting after using, 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, comprise 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 " inside and outside " described in the application refers to relative to equipment itself, in the direction of sensing equipment inside is, otherwise is outward.
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 (8)
1. a fast dismounting hydraulic engineering maintenance cat ladder, it is characterized in that, comprise the first prefabricated steel (1), the second prefabricated steel (2), the first connector (3), the second connector (4), the 3rd connector (5), latch (6) and pedal (7), wherein the first prefabricated steel (1) and the second prefabricated steel (2) are arranged in same plane and the first prefabricated steel (1), the second prefabricated steel (2) and the first connector (3) are embedded into body of wall; One end of first connector (3) is separately fixed in the first prefabricated steel (1) and the second prefabricated steel (2); External screw thread is offered respectively in the two ends of the second connector (4); External screw thread is offered in one end of 3rd connector (5), and the other end offers locating hole (51); Pedal (7) is upper presets a pin hole (72), two holes supplying the second connector (4) and the 3rd connector (5) to pass respectively; One end of the other end of the first connector (3) and the second connector (4) and the 3rd connector (5) removably connects; The other end and the pedal (7) of the second connector (4) removably connect; One end of 3rd connector (5) is connected by latch (6) with pedal (7).
2. cat ladder is overhauled in a kind of fast dismounting hydraulic engineering according to claim 1, it is characterized in that, the groove (71) of lower ending opening is arranged in the upper hole supplying the 3rd connector (5) to pass of pedal (7), groove (71) is fastened on the 3rd connector (5), and latch (6) is through pin hole (72) and locating hole (51) fixed pedestal (7) and the 3rd connector (5).
3. a kind of fast dismounting hydraulic engineering maintenance cat ladder according to claim 1 or 2, it is characterized in that, described pedal (7) is rectangular steel plates, and the second connector (4) through the upper hole of presetting of pedal (7), and is bolted.
4. cat ladder is overhauled in a kind of fast dismounting hydraulic engineering according to claim 3, and it is characterized in that, pedal (7) surface is provided with anti-skid structure.
5. cat ladder is overhauled in a kind of fast dismounting hydraulic engineering according to claim 4, and it is characterized in that, described anti-skid structure is antiskid thread or anti-skidding projection.
6. a kind of fast dismounting hydraulic engineering maintenance cat ladder according to claim 1,2,4 or 5, it is characterized in that, the other end of described first connector (3) offers the internal thread be connected with the second connector (4) and the 3rd connector (5).
7. a kind of fast dismounting hydraulic engineering maintenance cat ladder according to claim 6, is characterized in that, one end of described first connector (3) and the first prefabricated steel (1) or the second prefabricated steel (2) are welded and fixed.
8. the manufacture method of a kind of fast dismounting hydraulic engineering maintenance cat ladder according to claim 1-7, its feature comprises following technology and step:
1) stainless steel steel rod diameter 18-25mm is got, length 20-30cm makes the second connector (4) and the 3rd connector (5), external screw thread is arranged at the two ends of the second connector (4), one end of 3rd connector (5) arranges external screw thread, and the other end arranges locating hole (51);
2) get stainless steel nut as the first connector (3), and the internal thread of the first connector (3) mates with one end external screw thread of the second connector (4) and the 3rd connector (5);
3) get corrosion resistant plate and make rectangle pedal (7), the thickness 15-25mm of pedal (7), height 20-30mm, length 40-60cm, on pedal (7) surface, screw thread or protruding anti-skid structure are set, in pedal (7) one end, 20-30mm place gets through hole, other end 20-30mm place arranges the groove 71 that Open Side Down, aperture and recess width are greater than the second connector (4) and the 3rd connector (5) diameter 2mm, arrange horizontal pin hole (72) in one end of the recessing (71) of pedal (7);
4) 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) weld the first connector (3) 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;
5) the first prefabricated steel (1) with the first connector (3) the 4th 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) the second connector (4) the 1st step obtained when using screws in the first connector (3) be arranged in the first prefabricated steel (1), and the 3rd connector (5) one end screws in the first connector (3) be arranged in the second prefabricated steel (2); Pedal (7) is arranged on the second connector (4) and the 3rd connector (5), second connector (4) and pedal (7) are fixed by nut, and the 3rd connector (5) and pedal (7) are fixed by latch (6);
7) reverse dismounting after using, is 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510036354.6A CN104594798B (en) | 2015-01-23 | 2015-01-23 | A kind of fast dismounting hydraulic engineering maintenance cat ladder and manufacture method thereof |
| CN201510958065.1A CN105587261B (en) | 2015-01-23 | 2015-01-23 | The manufacture method of cat ladder is overhauled in a kind of fast dismounting hydraulic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510036354.6A CN104594798B (en) | 2015-01-23 | 2015-01-23 | A kind of fast dismounting hydraulic engineering maintenance cat ladder and manufacture method thereof |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510958065.1A Division CN105587261B (en) | 2015-01-23 | 2015-01-23 | The manufacture method of cat ladder is overhauled in a kind of fast dismounting hydraulic engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104594798A true CN104594798A (en) | 2015-05-06 |
| CN104594798B CN104594798B (en) | 2016-08-17 |
Family
ID=53120808
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510958065.1A Expired - Fee Related CN105587261B (en) | 2015-01-23 | 2015-01-23 | The manufacture method of cat ladder is overhauled in a kind of fast dismounting hydraulic engineering |
| CN201510036354.6A Active CN104594798B (en) | 2015-01-23 | 2015-01-23 | A kind of fast dismounting hydraulic engineering maintenance cat ladder and manufacture method thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510958065.1A Expired - Fee Related CN105587261B (en) | 2015-01-23 | 2015-01-23 | The manufacture method of cat ladder is overhauled in a kind of fast dismounting hydraulic engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105587261B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279686A (en) * | 2021-06-07 | 2021-08-20 | 浙江建工水利水电建设有限公司 | Quick-release hydraulic engineering overhaul crawling ladder and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5630258U (en) * | 1979-08-10 | 1981-03-24 | ||
| US4871047A (en) * | 1988-09-01 | 1989-10-03 | Csx Transportation, Incorporated | Adjustable grab iron |
| GB2348917A (en) * | 1999-04-12 | 2000-10-18 | Miyama Kogyo Kk | Foothold with hook portions and universal washers for securing to a brick wall |
| CN201013225Y (en) * | 2007-03-27 | 2008-01-30 | 刘长庚 | Steel tower ascending pedal |
| CN204457408U (en) * | 2015-01-23 | 2015-07-08 | 泗洪县机电排灌管理总站 | A kind of fast dismounting hydraulic engineering maintenance cat ladder |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050188645A1 (en) * | 1998-09-14 | 2005-09-01 | Poly-Tec Products, Inc. | Inserts and method and apparatus for embedding inserts in cast members |
| CN2611567Y (en) * | 2003-04-01 | 2004-04-14 | 陈校波 | Pool ladder |
| CN203213950U (en) * | 2013-04-03 | 2013-09-25 | 张灵峰 | High-speed railway H section steel column climbing device |
-
2015
- 2015-01-23 CN CN201510958065.1A patent/CN105587261B/en not_active Expired - Fee Related
- 2015-01-23 CN CN201510036354.6A patent/CN104594798B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5630258U (en) * | 1979-08-10 | 1981-03-24 | ||
| US4871047A (en) * | 1988-09-01 | 1989-10-03 | Csx Transportation, Incorporated | Adjustable grab iron |
| GB2348917A (en) * | 1999-04-12 | 2000-10-18 | Miyama Kogyo Kk | Foothold with hook portions and universal washers for securing to a brick wall |
| CN201013225Y (en) * | 2007-03-27 | 2008-01-30 | 刘长庚 | Steel tower ascending pedal |
| CN204457408U (en) * | 2015-01-23 | 2015-07-08 | 泗洪县机电排灌管理总站 | A kind of fast dismounting hydraulic engineering maintenance cat ladder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279686A (en) * | 2021-06-07 | 2021-08-20 | 浙江建工水利水电建设有限公司 | Quick-release hydraulic engineering overhaul crawling ladder and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104594798B (en) | 2016-08-17 |
| CN105587261A (en) | 2016-05-18 |
| CN105587261B (en) | 2017-07-21 |
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