CN112610149B - Hydraulic engineering overhauls cat ladder - Google Patents

Hydraulic engineering overhauls cat ladder Download PDF

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Publication number
CN112610149B
CN112610149B CN202011503879.3A CN202011503879A CN112610149B CN 112610149 B CN112610149 B CN 112610149B CN 202011503879 A CN202011503879 A CN 202011503879A CN 112610149 B CN112610149 B CN 112610149B
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China
Prior art keywords
frame body
supporting
support frame
sides
pedals
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CN202011503879.3A
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CN112610149A (en
Inventor
柯晓翔
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Chongqing Gaogong Metal Products Co ltd
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Chongqing Gaogong Metal Products Co ltd
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/08Special construction of longitudinal members, or rungs or other treads
    • E06C7/082Connections between rungs or treads and longitudinal members
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C7/00Component parts, supporting parts, or accessories
    • E06C7/42Ladder feet; Supports therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)

Abstract

The invention discloses a hydraulic engineering overhaul cat ladder, relates to the technical field of hydraulic engineering, and solves the problems that the existing hydraulic engineering overhaul cat ladder is inconvenient to carry, difficult to keep clean and tidy in surface and poor in stability, and comprises a rear support frame body and pedals; the bottoms of the two rear support frames are fixedly connected with the rear side of the top of the support bottom plate through welding; the two sides of the rear of the seven pedals are fixedly connected with the inner sides of the two rear support frames respectively through bolts; the front two sides of the seven pedals are fixedly connected with the inner sides of the two front support frames respectively through bolts; the tops of the two rear supporting frames are fixedly connected with a top block through welding; the top of the top block is fixedly provided with a group of storage net racks through bolts. When the ladder stand is used, the pedals can be completely in a horizontal state by driving the front support frame body to move, the pedals of the ladder stand can be completely unfolded at one time when being unfolded, the operation is more convenient, and the stability after being unfolded is greatly improved.

Description

Hydraulic engineering overhauls cat ladder
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to a hydraulic engineering overhaul crawling ladder.
Background
Along with the rapid development of economy and urban infrastructure in China, the requirements for new materials of various buildings are increasingly increased, and the climbing ladder is an auxiliary facility of an urban inspection shaft, is short for plastic steel climbing ladder, can be used for places such as inspection wells and sewage wells, and is convenient for workers to get on and get off the ladder; the plastic is made of round steel and high-strength industrial plastic, and has low cost, high performance and high cost performance.
For example, the patent of application number 201810742909.2 discloses a hydraulic engineering is with flexible maintenance cat ladder of adjusting, including first support frame, fixed block, first bracing piece, second recess and support column, the below of first support frame is fixed with the second support frame, and the internally mounted of second support frame has strong post, the outer wall of first support frame is fixed with first fixed column, and the outer wall surface of first fixed column is fixed with the bolt, the fixed block is installed in the upper and lower both ends of first fixed column. According to the invention, the first support frame is connected with the second support frame and the third support frame through the first fixing column and the second fixing column respectively, the first support frame is fixed with the second support frame and the third support frame are fixed with the first fixing column and the second fixing column respectively through bolts, and the maintenance cat ladder can be stretched and contracted through the up-and-down movement of the first support frame, so that the use range of the cat ladder is widened, and the use performance of the cat ladder is improved.
Based on the above, in order to improve the comfort of workers standing on the hydraulic engineering overhaul cat ladder, some of the existing hydraulic engineering overhaul cat ladder is provided with wide pedals with larger area, but the wide pedals are mostly fixed, so that the hydraulic engineering overhaul cat ladder is inconvenient to carry, some cat ladders used for a long time possibly have rubbish scraps falling on the tops of the pedals, the surface of the cat ladder is difficult to keep clean, climbing is influenced, some pedals can rotate, but the pedals are independently rotated, the pedals are sequentially rotated and are very inconvenient, and the pedals are also very unstable after rotation; therefore, the existing requirements are not met, and a hydraulic engineering overhaul crawling ladder is provided for the existing requirements.
Disclosure of Invention
The invention aims to provide a hydraulic engineering overhaul cat ladder, which aims to solve the problems that in the prior art, in order to improve the comfort of workers standing on the hydraulic engineering overhaul cat ladder, some hydraulic engineering overhaul cat ladders are provided with wide pedals with larger areas, but the wide pedals are fixed, so that the hydraulic engineering overhaul cat ladder is inconvenient to carry, garbage scraps possibly fall on the tops of the pedals for a long time of fixed use, the surface is difficult to keep clean, climbing is influenced, some pedals can rotate, but the pedals rotate independently, and are inconvenient to rotate in sequence and unstable after rotation.
In order to achieve the above purpose, the present invention provides the following technical solutions: a hydraulic engineering overhaul crawling ladder comprises a rear support frame body and pedals; the bottoms of the two rear support frames are fixedly connected with the rear side of the top of the support bottom plate through welding; the two sides of the rear of the seven pedals are fixedly connected with the inner sides of the two rear support frames respectively through bolts; the front two sides of the seven pedals are fixedly connected with the inner sides of the two front support frames respectively through bolts; the tops of the two rear supporting frames are fixedly connected with a top block through welding; the top of the top block is fixedly provided with a group of object placing net racks through bolts; the top of the supporting bottom plate is also provided with a supporting block.
Preferably, the rear sides of the pedals are each rotatable about a bolt connected to the rear support frame.
Preferably, the front sides of the pedals are each rotatable about a bolt connected to the front support frame.
Preferably, the pedals, the rear support frame body and the front support frame body form a parallelogram structure capable of rotating and changing the shape.
Preferably, the supporting baseplate is L-shaped plate, and supporting baseplate front side top is upwards protruding, can block just when the supporting shoe is installed between the bottom front side of supporting baseplate front side top protruding plate and back support body.
Preferably, the fixed symmetry in top both sides of supporting shoe is provided with two lower grooves, and when the whole rotation of current support body drive footboard was to the level, the bottom of preceding support body just can block in the lower groove of supporting shoe top both sides, and the inside hollow structure that is of supporting shoe.
Preferably, the bottom of the front support frame body is a horizontal cutting surface, and the bottom surface of the front support frame body is parallel to the top surface of the support bottom plate no matter how the front support frame body is displaced.
Preferably, a plurality of transverse strip-shaped adhesive tapes are fixedly arranged at the bottom of the supporting bottom plate, and a plurality of transverse strip-shaped adhesive tapes are also fixedly arranged at the rear side of the top block.
Compared with the prior art, the invention has the beneficial effects that:
first, when needing to use this cat ladder, hold preceding support body bottom and promote preceding support body and move to oblique top earlier, preceding support body produces the displacement and can drive seven pedals and rotate this moment, then place the supporting shoe between the bottom front side of supporting baseplate front side top protruding plate and back support body, make preceding support body bottom card in the lower pocket of supporting shoe top both sides, seven pedals are all in the horizontality this moment, because the supporting shoe can not slide from beginning to end, the lower pocket at supporting shoe top can restrict preceding support body and produce the displacement moreover, so can be fixed the direction of footboard, can once only wholly expand when expanding the footboard of cat ladder, it is more convenient to operate, the firm degree after expanding also improves greatly.
Second, when not needing to use the cat ladder, promote preceding support body and remove to the oblique top earlier and make its bottom break away from with the lower recess of supporting shoe top both sides, then outwards pull out the supporting shoe, loosen preceding support body again, preceding support body can be because the gravity effect is the displacement of declivity again and the laminating of back support body this moment, the footboard all can rotate to incline the state this moment, therefore can be more convenient when carrying, even this cat ladder needs long-term fixed moreover, also can avoid remaining rubbish piece because of the slope after these footboard rotations, be favorable to keeping the surface clean and tidy more.
Drawings
FIG. 1 is a schematic view of a spindle side structure of the present invention after assembly and deployment;
FIG. 2 is a schematic view of the assembled and unfolded reclined shaft side structure of the present invention;
FIG. 3 is a schematic view of the spindle side structure of the invention after deployment and removal of the support blocks;
FIG. 4 is a schematic view of the spindle side structure of the present invention after assembly;
FIG. 5 is a schematic view of the spindle side structure of the split spindle of the present invention;
FIG. 6 is a schematic view of a partial enlarged structure at the point A in FIG. 2 according to the present invention;
FIG. 7 is a schematic view of a partially enlarged structure of the present invention at the point B in FIG. 2;
in the figure: 1. a rear support frame body; 2. a front support frame body; 3. a pedal; 4. a support base plate; 5. a support block; 6. a top block; 7. and a rack for placing articles.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1 to 7, an embodiment of the present invention provides: a hydraulic engineering overhaul crawling ladder comprises a rear support frame body 1 and pedals 3; the bottoms of the two rear support frames 1 are fixedly connected with the rear side of the top of the support bottom plate 4 through welding; the supporting bottom plate 4 is an L-shaped plate, the top of the front side of the supporting bottom plate 4 is upwards protruded, the supporting block 5 can be just clamped between the top protruding plate of the front side of the supporting bottom plate 4 and the front bottom side of the rear supporting frame body 1 when being installed, the supporting block 5 is placed between the top protruding plate of the front side of the supporting bottom plate 4 and the front bottom side of the rear supporting frame body 1 when being used, at the moment, the front supporting frame body 2 is loosened, the bottom of the front supporting frame body 2 is clamped in the lower grooves on the two sides of the top of the supporting block 5, seven pedals 3 are all in a horizontal state at the moment, the supporting block 5 cannot slide forwards and backwards, and the lower grooves on the top of the supporting block 5 can limit the front supporting frame body 2 to generate displacement, so that the direction of the pedals 3 can be fixed, and the stability after being unfolded is greatly improved; two sides of the rear of the seven pedals 3 are fixedly connected with the inner sides of the two rear support frames 1 through bolts respectively; the rear sides of the pedals 3 can rotate around the bolts connected with the rear support frame body 1, when the crawling ladder is needed to be used, the bottom of the front support frame body 2 is held at first and the front support frame body 2 is pushed to move obliquely upwards, at the moment, the front support frame body 2 generates displacement to drive seven pedals 3 to rotate, so that the pedals 3 are all rotated to be horizontal, and the pedals 3 of the crawling ladder can be unfolded at one time, so that the operation is more convenient; the front sides of the pedals 3 can rotate around the bolts connected with the front support frame body 2, when the cat ladder is needed to be used, the bottom of the front support frame body 2 is held at first and the front support frame body 2 is pushed to move obliquely upwards, at the moment, the front support frame body 2 generates displacement to drive seven pedals 3 to rotate, so that the pedals 3 are all rotated to be horizontal, and the pedals 3 of the cat ladder can be unfolded at one time and are more convenient to operate; the front two sides of the seven pedals 3 are fixedly connected with the inner sides of the two front support frames 2 through bolts respectively; the tops of the two rear support frames 1 are fixedly connected with a top block 6 through welding; the top of the top block 6 is fixedly provided with a group of object placing net racks 7 through bolts; a supporting block 5 is also mounted on top of the supporting base plate 4.
Further, the pedal 3 and the rear support frame 1 and the front support frame 2 form a parallelogram structure capable of rotating and changing the shape, when the crawling ladder is needed to be used, the bottom of the front support frame 2 is held firstly and the front support frame 2 is pushed to move obliquely upwards, at the moment, the front support frame 2 generates displacement to drive seven pedals 3 to rotate, so that the pedals 3 are all rotated to be horizontal, and the crawling ladder can be unfolded at one time when the pedals 3 are unfolded, so that the operation is more convenient.
Further, the fixed symmetry in top both sides of supporting shoe 5 is provided with two lower grooves, and when the whole rotation to the level of preceding support body 2 upward rotation drive footboard 3, the bottom of preceding support body 2 just can block in the lower groove of supporting shoe 5 top both sides, and the inside hollow structure that is of supporting shoe 5, place supporting shoe 5 between the bottom front side of supporting bottom plate 4 front side protruding board and back support body 1 during the use, at this moment loosen preceding support body 2, make preceding support body 2 bottom card in the lower groove of supporting shoe 5 top both sides, seven footboard 3 are in the horizontality this moment, because supporting shoe 5 can not slide back and forth, the lower groove at supporting shoe 5 top can restrict preceding support body 2 and produce the displacement, so can be fixed the direction of footboard 3, the firm degree after the expansion improves greatly.
Further, the bottom of the front supporting frame body 2 is a horizontal cutting surface, and the bottom surface of the front supporting frame body 2 is parallel to the top surface of the supporting bottom plate 4 no matter how the front supporting frame body 2 is displaced, so that displacement is not generated downwards when the bottom of the front supporting frame body 2 is embedded with inner grooves on two sides of the top of the supporting block 5, and the stability is greatly improved.
Further, the bottom of supporting baseplate 4 is fixed and is provided with a plurality of horizontal bar adhesive tape, and the rear side of kicking block 6 is also fixed and is provided with a plurality of horizontal bar adhesive tape, and with the supporting baseplate 4 of this device paste tight ground during the use, the kicking block 6 rear side paste tight wall place can, and the bar adhesive tape of supporting baseplate 4 bottom and kicking block 6 rear side can improve frictional force, avoids the workman to produce when standing on the cat ladder and slides, improves the security.
Working principle: when the ladder stand is needed to be used, the bottom of the front support frame body 2 is held at first and the front support frame body 2 is pushed to move obliquely upwards, at the moment, the front support frame body 2 generates displacement to drive the seven pedals 3 to rotate, the front sides of the pedals 3 are rotated to be higher than the rear sides, then the support blocks 5 are placed between the top protruding plates at the front sides of the support bottom plates 4 and the front sides of the bottoms of the rear support frame bodies 1, at the moment, the front support frame body 2 is loosened, the bottoms of the front support frame bodies 2 are clamped in the lower grooves at the two sides of the tops of the support blocks 5, at the moment, the seven pedals 3 are all in a horizontal state, the support blocks 5 cannot slide forwards and backwards, the lower grooves at the tops of the support blocks 5 can limit the front support frame body 2 to generate displacement, so that the direction of the pedals 3 can be fixed, then the support bottom plates 4 of the ladder stand is tightly against the ground, and the rear sides of the top blocks 6 are tightly attached to the wall surface to be placed, the strip-shaped adhesive tape at the bottom of the supporting bottom plate 4 and the rear side of the jacking block 6 can improve friction force, prevent workers from sliding when standing on the ladder, improve safety, fully expand the pedals 3 of the ladder at one time, and are more convenient to operate, the stability after expansion is greatly improved, when the ladder is not needed to be used, the front supporting frame body 2 is pushed to move obliquely upwards firstly to separate the bottom from the lower grooves at the two sides of the top of the supporting block 5, then the supporting block 5 is pulled outwards, the front supporting frame body 2 is loosened, at the moment, the front supporting frame body 2 moves obliquely downwards again to be attached to the rear supporting frame body 1 due to the action of gravity, at the moment, the pedals 3 are rotated to be in an inclined state, so that the ladder is more convenient to carry, and even if the ladder needs to be fixed for a long time, the pedals 3 are rotated and the garbage fragments are prevented from remaining due to inclination, is more beneficial to keeping the surface clean.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (1)

1. The utility model provides a hydraulic engineering overhauls cat ladder's application method which characterized in that: the cat ladder comprises a rear support frame body (1) and a pedal (3); the bottoms of the two rear support frames (1) are fixedly connected with the rear side of the top of the support bottom plate (4) through welding; two sides of the rear of the seven pedals (3) are fixedly connected with the inner sides of the two rear support frames (1) through bolts respectively; the front two sides of the seven pedals (3) are fixedly connected with the inner sides of the two front support frames (2) through bolts respectively; the tops of the two rear support frames (1) are fixedly connected with a top block (6) through welding; the top of the top block (6) is fixedly provided with a group of object placing net racks (7) through bolts; the top of the supporting bottom plate (4) is also provided with a supporting block (5);
the rear sides of the pedals (3) can rotate around bolts connected with the rear support frame body (1);
the front sides of the pedals (3) can rotate around bolts connected with the front support frame body (2);
the pedal (3), the rear support frame body (1) and the front support frame body (2) form a parallelogram structure capable of rotating and changing the shape;
the supporting bottom plate (4) is an L-shaped plate, the top of the front side of the supporting bottom plate (4) is upwards protruded, and the supporting block (5) can be just clamped between the top protruding plate of the front side of the supporting bottom plate (4) and the front side of the bottom of the rear supporting frame body (1) during installation;
two lower grooves are fixedly and symmetrically formed in the two sides of the top of the supporting block (5), when the front supporting frame body (2) rotates upwards to drive the pedal (3) to rotate to be horizontal, the bottom of the front supporting frame body (2) can be just clamped in the lower grooves in the two sides of the top of the supporting block (5), and the inside of the supporting block (5) is of a hollow structure;
the bottom of the front support frame body (2) is a horizontal cutting surface, and the bottom surface of the front support frame body (2) is parallel to the top surface of the support bottom plate (4) no matter how the front support frame body is displaced;
the bottom of the supporting bottom plate (4) is fixedly provided with a plurality of transverse strip-shaped adhesive tapes, and the rear side of the top block (6) is also fixedly provided with a plurality of transverse strip-shaped adhesive tapes;
when the ladder is used, the bottom of the front support frame body (2) is held at first and the front support frame body (2) is pushed to move obliquely upwards, at the moment, the front support frame body (2) generates displacement to drive seven pedals (3) to rotate, the front sides of the pedals (3) are rotated to be higher than the rear sides, then the support blocks (5) are placed between the top protruding plates of the front sides of the support bottom plates (4) and the front sides of the bottoms of the rear support frame bodies (1), at the moment, the front support frame body (2) is loosened, the bottoms of the front support frame body (2) are clamped in the lower grooves on the two sides of the tops of the support blocks (5), at the moment, all the seven pedals (3) are in a horizontal state, because the supporting block (5) cannot slide forwards and backwards, and the lower groove at the top of the supporting block (5) can limit the front supporting frame body (2) to generate displacement, the direction of the pedal (3) can be fixed, then the supporting bottom plate (4) of the device is tightly attached to the ground, the rear side of the jacking block (6) is tightly attached to the wall surface to be placed, the friction force of the strip-shaped adhesive tape at the bottom of the supporting bottom plate (4) and the rear side of the jacking block (6) can be improved, the sliding of workers when standing on a cat ladder is avoided, the safety is improved, the pedal (3) of the cat ladder can be completely unfolded at one time, the operation is more convenient, and the stability after the extension is greatly improved;
when need not use cat ladder, promote preceding support body (2) to remove to the oblique top earlier and make its bottom break away from with the lower recess of supporting shoe (5) top both sides, then outwards pull out supporting shoe (5), loosen preceding support body (2) again, preceding support body (2) can be because of the action of gravity again to oblique below displacement and laminating of back support body (1) this moment, footboard (3) all can rotate to incline the state this moment, therefore can be more convenient when carrying, even this cat ladder needs long-term fixation moreover, also can avoid remaining rubbish piece because of the slope after these footboard (3) rotate, it is clean and tidy to do benefit to the holding surface more.
CN202011503879.3A 2020-12-18 2020-12-18 Hydraulic engineering overhauls cat ladder Active CN112610149B (en)

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CN202011503879.3A CN112610149B (en) 2020-12-18 2020-12-18 Hydraulic engineering overhauls cat ladder

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Application Number Priority Date Filing Date Title
CN202011503879.3A CN112610149B (en) 2020-12-18 2020-12-18 Hydraulic engineering overhauls cat ladder

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CN112610149A CN112610149A (en) 2021-04-06
CN112610149B true CN112610149B (en) 2023-07-28

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206545475U (en) * 2017-03-10 2017-10-10 重庆水利电力职业技术学院 A kind of Portable multifunctional insulating ladder
CN206722748U (en) * 2017-05-17 2017-12-08 四川建筑职业技术学院 A kind of adjustable cat ladder
CN206801439U (en) * 2017-05-25 2017-12-26 北京中兴恒工程咨询有限公司 A kind of Multifunctional stairs
CN211715021U (en) * 2019-11-28 2020-10-20 汪庆颖 Transformer is maintained and is used cat ladder
CN111270977A (en) * 2020-03-20 2020-06-12 中国五冶集团有限公司 Special ladder stand for mounting magnetic suspension track beam

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