CN211258473U - Movable ladder stand for routing inspection and maintenance of cable gallery of dam of pumped storage power station - Google Patents
Movable ladder stand for routing inspection and maintenance of cable gallery of dam of pumped storage power station Download PDFInfo
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- CN211258473U CN211258473U CN201922155963.XU CN201922155963U CN211258473U CN 211258473 U CN211258473 U CN 211258473U CN 201922155963 U CN201922155963 U CN 201922155963U CN 211258473 U CN211258473 U CN 211258473U
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- supporter
- power station
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- 238000012423 maintenance Methods 0.000 title claims abstract description 20
- 238000007689 inspection Methods 0.000 title claims abstract description 7
- 241000282326 Felis catus Species 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 239000000956 alloy Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a portable cat ladder of pumped storage power station dam cable corridor inspection maintenance usefulness, has first railing, second railing, first supporter, second supporter, first stand, second stand, third stand, fourth stand, the first step of multirow, multirow second step. When the ladder is used, the bottom surface of the first supporting body and the bottom surface of the second supporting body of the ladder stand are erected on the upper end surface of a certain area of the enclosing wall, and one section of wall body of the enclosing wall extends into the accommodating area defined by the left side plane, the right side plane and the upper plane. The utility model discloses simple structure, light, portable, be convenient for scramble, transport and place, safe and reliable is particularly suitable for the unanimous channel of width, has improved field work efficiency greatly after the use, and maintenance, maintenance work efficiency have all improved more than 10%, have reduced personnel's safety risk simultaneously, have solved the higher problem that is difficult to develop the work of patrolling and examining, maintaining and repairing of pumped storage power station dam cable channel or corridor position.
Description
Technical Field
The utility model relates to a portable cat ladder specifically is a portable cat ladder of pumped storage power station dam cable corridor inspection maintenance usefulness belongs to cat ladder equipment technical field.
Background
The dam enclosing wall of the pumped storage power station is generally provided with a cable channel or gallery, the position of the dam enclosing wall is higher than that of the dam enclosing wall by about 1.5 meters, steps are not convenient to build due to the fact that the dam cable channel is longer, and potential safety hazards exist after the steps are built. The water conservancy project daily patrol needs to go across a channel or a gallery to carry out work, and personnel pass through the difficulty.
The inventors searched the following related patent documents: CN209163519U discloses a portable cat ladder that applies to large-scale precast concrete component, includes two vertical montants of upwards arranging vertically, and the lower part of every montant is equipped with a longitudinal tie rod perpendicular to this montant apart from ground 20-50cm, establishes two transverse connection pole between two montants and connects, and the slope is equipped with two parallel curb plates of marking time between montant and longitudinal tie rod, is equipped with to mark time between the curb plate of marking time. CN209212145U discloses prevent portable cat ladder of type that falls, including fixed baseplate, universal wheel, non slipping spur, step board, four edges of fixed baseplate below all are provided with unable adjustment base, the unable adjustment base below is provided with the universal wheel, the universal wheel top is provided with brake pedal, be provided with anti-skidding wearing layer on the universal wheel, the fixed baseplate rear side is provided with the weighting piece, the fixed baseplate is provided with the rotation axis all around, be provided with the connecting rod on the rotation axis, connecting rod one end is provided with the non slipping spur, the fixed baseplate top is provided with the riser, the riser rear side is provided with back backup pad, be provided with the connection diaphragm in the middle of the back backup pad.
The movable crawling ladder for the cable corridor routing inspection and maintenance of the pumped storage power station dam can be movable by the aid of the technologies, climbing, transportation and placement are facilitated, safety and reliability are achieved, and a specific guiding scheme is not given.
Disclosure of Invention
An object of the utility model is to provide a portable cat ladder of maintenance usefulness is patrolled and examined to pumped storage power station dam cable corridor, its simple structure, light, portable, be convenient for scramble, transport and place, safe and reliable can improve on-the-spot work efficiency, reduction personnel's safety risk to solve pumped storage power station dam cable channel or corridor position and higher be difficult to develop the problem of patrolling and examining, maintenance and repair work.
For solving the technical problem, the utility model discloses the technical scheme that will adopt as follows:
the utility model provides a portable cat ladder of maintenance usefulness is patrolled and examined to pumped storage power station dam cable corridor, has and is located the left first railing that is the shape of falling U, is located the right side second railing that is the shape of falling U, its technical scheme lies in pumped storage power station dam cable corridor patrol and examine maintenance usefulness movable cat ladder still have install the upper portion of first railing be the first supporter that transversely sets up, install the upper portion of second railing be the second supporter that transversely sets up, install the anterior lower extreme of first supporter is the first stand that vertically sets up, installs the anterior lower extreme of second supporter is the second stand that vertically sets up, installs the third stand that vertically sets up, install the second supporter rear portion lower extreme be the fourth stand that vertically sets up, install the first step ladder (marking time) of multirow on first stand and second stand that is vertical setting of second supporter rear portion lower extreme, Install multirow second step ladder (marking time) on third stand and fourth stand, every row first step ladder all has first foot bar, be located two first stretching walls at first foot bar both ends, the outside end that two first stretch out the wall respectively with the both ends fixed connection of first foot bar, the medial extremity that two first stretch out the wall respectively with first stand, second stand fixed connection, every row second step ladder all has second foot bar, be located two second stretching walls at second foot bar both ends, the outside end that two second stretch out the wall respectively with the both ends fixed connection of second foot bar, the medial extremity that two second stretch out the wall respectively with third stand, fourth stand fixed connection, the right side wall of above-mentioned first stand and the right side wall of second stand form with a section of wall body inner wall of enclosure (A) (corresponding or contact) the left side plane, the left side wall of third stand and the left side wall of fourth stand form with a section of wall body outer wall (A) (matched with mutually) Corresponding or contacting), the bottom surface of the first support body and the bottom surface of the second support body form an upper plane which is matched (corresponding or contacting) with the upper end surface of one section of the wall body of the enclosing wall (A), and a space enclosed by the left plane, the right plane and the upper plane forms an accommodating area of one section of the wall body of the enclosing wall (A).
In the above technical solution, a preferable solution may be: two first extending walls in the lowermost row of first steps in the plurality of rows of first steps extend outwards and are fixedly connected with the left bottom end of the first railing and the left bottom end of the second railing respectively; two second extension walls in the lowermost row of second-step ladders in the multi-row second-step ladders extend outwards and are fixedly connected with the bottom end of the right side of the first railing and the bottom end of the right side of the second railing respectively. A plurality of independent elastic first tilting pieces are fixed at the upper end of the right side wall of the first stand column, and an included angle (beta) formed by each elastic first tilting piece and the right side wall of the first stand column is 8-9 degrees; a plurality of independent elastic second tilting pieces are fixed at the upper end of the right side wall of the second stand column, and the included angle (beta') formed by each elastic second tilting piece and the right side wall of the second stand column is 8-9 degrees. The utility model discloses in first perk piece of elasticity, elasticity second perk piece can be made by the sheet steel. Other parts of the ladder stand are preferably made of high-strength aluminum alloy materials (aluminum alloy sections), and the ladder stand is light in weight and convenient to transport and place.
The utility model discloses during the use, the bottom surface of the first supporter of cat ladder and the bottom surface frame of second supporter are at the up end of a certain region of enclosure A (or put up the up end at one section wall body of enclosure A), and one section wall body of enclosure A stretches into in the holding region that left side plane, right side plane, last plane enclose. The purpose that sets up the first perk piece of a plurality of elasticity, a plurality of elasticity second perk piece is, the utility model discloses during the use, one section wall body of enclosure A stretches into in the holding region that left side plane, right side plane, last plane enclose, a plurality of first perk pieces of elasticity, a plurality of elasticity second perk piece can produce the extrusion to one section wall inner wall of enclosure A this moment, play the positioning action for the cat ladder does not slide easily and more firm when a certain position on the enclosure, the cat ladder is safe and reliable more. When the ladder stand is taken down from the enclosing wall A, the steel sheet is firstly used to pull (stir) a plurality of elastic first tilting sheets and a plurality of elastic second tilting sheets to one side of the right side wall close to the first upright post and one side of the right side wall close to the second upright post, so that the extrusion effect of the elastic first tilting sheets and the elastic second tilting sheets on the inner wall of a section of the enclosing wall A is eliminated, and the ladder stand is conveniently taken down from the enclosing wall A.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the utility model belongs to a simple and easy cat ladder, this cat ladder simple structure, light, it is portable, be convenient for scramble (make things convenient for personnel about), transportation and place, safe and reliable is particularly suitable for the unanimous channel of width, has improved field work efficiency greatly after the use, and maintenance, maintenance work efficiency have all improved more than 10%, have reduced personnel's safety risk simultaneously, have solved the higher problem that is difficult to develop the work of patrolling and examining, maintenance and repair of pumped storage power station dam cable channel or corridor position.
Drawings
Fig. 1 is a schematic structural view (perspective view) of a first embodiment of the present invention.
Fig. 2 is a schematic structural view (perspective view) of the first embodiment of the present invention in use.
Fig. 3 is a schematic structural diagram (perspective view) of a second embodiment of the present invention.
Fig. 4 is a schematic structural view (a perspective view) illustrating a second embodiment of the present invention in which a first upright post is connected to an elastic first tilting plate and a second upright post is connected to an elastic second tilting plate.
Detailed Description
As shown in fig. 1 and 2, the first embodiment of the present invention has a first rail 1 of an inverted U shape on the left side, a second rail 1' of an inverted U shape on the right side, a first support 2 installed on the upper portion of the first rail and arranged in a transverse direction, a second support 2 installed on the upper portion of the second rail and arranged in a transverse direction, a first upright 301 installed at the lower end of the front portion of the first support and arranged in a longitudinal direction, install the second stand 301 ' that is vertical setting of the anterior lower extreme of second supporter, install the third stand 302 that is vertical setting of first supporter rear portion lower extreme, install the fourth stand 302 ' that is vertical setting of second supporter rear portion lower extreme, install the first step ladder of multirow (step) 4 on first stand and second stand, install the second step ladder of multirow (step) 4 ' on third stand and fourth stand. Each row of the first ladder 4 is provided with a first step bar 401 and two first extending walls 402 positioned at two ends of the first step bar, the outer side ends of the two first extending walls 402 are respectively fixedly connected with two ends of the first step bar 401, and the inner side ends of the two first extending walls 402 are respectively fixedly connected with the first upright column 301 and the second upright column 301'. Each row of the second ladder 4 'has a second step bar 401', two second extending walls 402 'located at two ends of the second step bar, outer ends of the two second extending walls 402' are respectively fixedly connected with two ends of the second step bar, and inner ends of the two second extending walls 402 'are respectively fixedly connected with the third upright column 302 and the fourth upright column 302'. The right side wall of the first upright column and the right side wall of the second upright column form a left side plane matched (corresponding or contacted) with the inner wall of one section of the wall body of the enclosing wall A, the left side wall of the third upright column and the left side wall of the fourth upright column form a right side plane matched (corresponding or contacted) with the outer wall of one section of the wall body of the enclosing wall A, the bottom surface of the first support body and the bottom surface of the second support body form an upper plane matched (corresponding or contacted) with the upper end surface of one section of the wall body of the enclosing wall A, and a space surrounded by the left side plane, the right side plane and the upper plane forms an accommodating area of one section of the wall body of the. The utility model discloses during the use, the bottom surface of the first supporter of cat ladder and the bottom surface frame of second supporter are at the up end of a certain region of enclosure A (or put up the up end at one section wall body of enclosure A), and one section wall body of enclosure A stretches into in the holding region that left side plane, right side plane, last plane enclose.
As shown in fig. 1 and 2, two first extending walls 402 in the lowermost row of the first ladder steps 4 in the plurality of rows extend outwards and are fixedly connected to the left bottom end of the first balustrade 1 and the left bottom end of the second balustrade 1', respectively; two second extending walls 402 ' in the lowermost row of the second stairs 4 ' of the multiple rows of second stairs extend outwards and are fixedly connected with the right bottom end of the first railing 1 and the right bottom end of the second railing 1 ', respectively.
As shown in fig. 3 and 4, the second embodiment of the present invention is similar to the first embodiment, except that in the second embodiment of the present invention, a plurality of independent elastic first tilting pieces 301a are fixed on the upper end of the right side wall of the first upright 301, and an included angle β formed by each elastic first tilting piece 301a and the right side wall of the first upright 301 is 9 degrees. A plurality of independent elastic second tilting pieces 301b are fixed at the upper end of the right side wall of the second upright column 301 ', and an included angle β ' formed by each elastic second tilting piece 301b and the right side wall of the second upright column 301 ' is 9 degrees. The utility model discloses during the use, enclosure A's a section wall body stretches into in the holding region that left side plane, right side plane, last plane enclose, a plurality of first perk pieces of elasticity 301a, a plurality of second perk pieces of elasticity 301b can produce the extrusion to enclosure A's a section wall inner wall this moment, play the positioning action for the cat ladder slides easily and more firm when a certain position on the enclosure, cat ladder safe and reliable more. When the ladder stand is taken down from the enclosing wall A, the steel sheet is firstly used for pulling (stirring) the plurality of elastic first tilting sheets 301a and the plurality of elastic second tilting sheets 301b to one side of the right side wall close to the first upright post and one side of the right side wall close to the second upright post, so that the extrusion effect of the plurality of elastic first tilting sheets 301a and the plurality of elastic second tilting sheets 301b on one section of the inner wall of the enclosing wall A is eliminated, and the ladder stand is convenient to take down from the enclosing wall A.
In the above two embodiments of the present invention, the elastic first tilting piece 301a and the elastic second tilting piece 301b may be made of thin steel sheets. Other parts of the ladder stand can be made of aluminum alloy materials (aluminum alloy sections) with high strength, and the ladder stand is light in weight and convenient to transport and place. Of course, other parts of the ladder stand can be made of other materials, such as angle steel (section steel) welding.
To sum up, the utility model discloses a two above embodiments simple structure, light, portable, be convenient for scramble (make things convenient for personnel about), transport and place, safe and reliable is particularly suitable for the unanimous channel of width, has improved field work efficiency greatly after using, and maintenance, maintenance work efficiency have all improved more than 10%, have reduced personnel's safety risk simultaneously, have solved the higher problem that is difficult to develop the work of patrolling and examining, maintaining and repairing of pumped storage power station dam cable channel or corridor position.
Claims (3)
1. The utility model provides a portable cat ladder of maintenance usefulness is patrolled and examined to pumped storage power station dam cable corridor has and is located left first railing (1) that is the shape of falling U, is located the right side and is second railing (1 ') that is the shape of falling U, its characterized in that pumped storage power station dam cable corridor patrol and examine maintenance usefulness movable cat ladder still have install first supporter (2) that are horizontal setting on the upper portion of first railing, install second supporter (2') that are horizontal setting on the upper portion of second railing, install first stand (301) that are vertical setting of first supporter front portion lower extreme are installed second stand (301 ') that are vertical setting of second supporter front portion lower extreme are installed third stand (302) that are vertical setting of first supporter rear portion lower extreme are installed fourth stand (302') that are vertical setting of second supporter rear portion lower extreme, The multi-row first stairway (4) is arranged on the first upright post and the second upright post, and the multi-row second stairway (4 ') is arranged on the third upright post and the fourth upright post, each row of the first stairway (4) is provided with a first pedal rod (401) and two first extending walls (402) positioned at two ends of the first pedal rod, the outer side ends of the two first extending walls (402) are fixedly connected with two ends of the first pedal rod (401) respectively, the inner side ends of the two first extending walls (402) are fixedly connected with the first upright post (301) and the second upright post (301 ') respectively, each row of the second stairway (4 ') is provided with a second pedal rod (401 '), two second extending walls (402 ') positioned at two ends of the second pedal rod, the outer side ends of the two second extending walls (402 ') are fixedly connected with two ends of the second pedal rod respectively, and the inner side ends of the two second extending walls (402 ') are fixedly connected with the third upright post (302) respectively, The fourth upright column (302') is fixedly connected, the right side wall of the first upright column and the right side wall of the second upright column form a left side plane matched with a section of wall inner wall of the enclosure (A), the left side wall of the third upright column and the left side wall of the fourth upright column form a right side plane matched with a section of wall outer wall of the enclosure (A), the bottom surface of the first support body and the bottom surface of the second support body form an upper plane matched with the upper end surface of a section of wall of the enclosure (A), and a space surrounded by the left side plane, the right side plane and the upper plane forms an accommodating area of a section of wall of the enclosure (A).
2. The movable ladder stand for the pumped storage power station dam cable corridor inspection and maintenance according to claim 1, characterized in that two first extending walls (402) in the lowermost row of the first steps (4) extend outwards and are fixedly connected with the left bottom end of the first railing (1) and the left bottom end of the second railing (1'); two second extending walls (402 ') in the lowermost row of second stairs (4 ') of the plurality of rows of second stairs extend outwards and are fixedly connected with the right bottom end of the first railing (1) and the right bottom end of the second railing (1 '), respectively.
3. The movable ladder stand for the pumped storage power station dam cable corridor inspection maintenance according to claim 1 or 2, which is characterized in that a plurality of independent elastic first tilting plates (301 a) are fixed at the upper end of the right side wall of the first upright column (301), and an included angle (β) formed by each elastic first tilting plate (301 a) and the right side wall of the first upright column (301) is 8-9 degrees; a plurality of independent elastic second tilting sheets (301 b) are fixed at the upper end of the right side wall of the second upright post (301 '), and an included angle (beta ') formed by each elastic second tilting sheet (301 b) and the right side wall of the second upright post (301 ') is 8-9 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922155963.XU CN211258473U (en) | 2019-12-05 | 2019-12-05 | Movable ladder stand for routing inspection and maintenance of cable gallery of dam of pumped storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922155963.XU CN211258473U (en) | 2019-12-05 | 2019-12-05 | Movable ladder stand for routing inspection and maintenance of cable gallery of dam of pumped storage power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211258473U true CN211258473U (en) | 2020-08-14 |
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ID=71982804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922155963.XU Active CN211258473U (en) | 2019-12-05 | 2019-12-05 | Movable ladder stand for routing inspection and maintenance of cable gallery of dam of pumped storage power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211258473U (en) |
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2019
- 2019-12-05 CN CN201922155963.XU patent/CN211258473U/en active Active
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