阅读说明：本技术 一种水利工程检修爬梯 (Hydraulic engineering overhauls cat ladder ) 是由 柯晓翔 于 2020-12-18 设计创作，主要内容包括：本发明公开了一种水利工程检修爬梯,涉及水利工程技术领域,解决了现在的水利工程检修爬梯携带不便,难以保持表面整洁,稳定性差的问题,包括后支撑架体和踏板；两根所述后支撑架体的底部与支撑底板的顶部后侧通过焊接固定连接；七块所述踏板的后方两侧分别通过螺栓与两根后支撑架体的内侧固定连接；七块所述踏板的前方两侧分别通过螺栓与两根前支撑架体的内侧固定连接；两根所述后支撑架体的顶部通过焊接固定连接有一根顶块；所述顶块的顶部通过螺栓固定安装有一组置物网架。使用时能够通过带动前支撑架体位移使踏板全部处于水平状态,在将爬梯的踏板展开时能够一次性全部展开,操作更加方便,而且展开后的稳固程度也大大提高。(The invention discloses a hydraulic engineering overhaul crawling ladder, relates to the technical field of hydraulic engineering, solves the problems that the existing hydraulic engineering overhaul crawling ladder is inconvenient to carry, difficult to keep the surface tidy and poor in stability, and comprises a rear support frame body and a pedal; the bottoms of the two rear support frame bodies are fixedly connected with the rear side of the top of the support bottom plate through welding; the two sides of the rear part of the seven pedals are respectively fixedly connected with the inner sides of the two rear support frame bodies through bolts; the two sides in front of the seven pedals are respectively fixedly connected with the inner sides of the two front support frame bodies through bolts; the tops of the two rear support frame bodies are fixedly connected with a top block through welding; the top of kicking block has a set of thing rack of putting through bolt fixed mounting. Can make the footboard all be in the horizontality through drive preceding support carrier displacement during the use, can once only all expand when expanding the footboard of cat ladder, it is more convenient to operate, and the firm degree after expanding also improves greatly moreover.)

1. The utility model provides a hydraulic engineering overhauls cat ladder which characterized in that: comprises a rear support frame body (1) and a pedal (3); the bottoms of the two rear support frame bodies (1) are fixedly connected with the rear side of the top of the support base plate (4) by welding; the two sides of the rear part of the seven pedals (3) are respectively fixedly connected with the inner sides of the two rear support frame bodies (1) through bolts; the two sides in front of the seven pedals (3) are respectively fixedly connected with the inner sides of the two front support frame bodies (2) through bolts; the tops of the two rear support frame bodies (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; and the top of the supporting bottom plate (4) is also provided with a supporting block (5).

2. The hydraulic engineering overhauls cat ladder of claim 1 characterized in that: the rear side of the pedal (3) can rotate around a bolt connected with the rear support frame body (1).

3. The hydraulic engineering overhauls cat ladder of claim 1 characterized in that: the front sides of the pedals (3) can rotate around bolts connected with the front support frame (2).

4. The hydraulic engineering overhauls cat ladder of claim 1 characterized in that: the pedal (3), the rear support frame body (1) and the front support frame body (2) form a parallelogram structure capable of changing the shape in a rotating mode.

5. The hydraulic engineering overhauls cat ladder of claim 1 characterized in that: the supporting base plate (4) is an L-shaped plate, the top of the front side of the supporting base plate (4) protrudes upwards, and the supporting block (5) can be just clamped between the top protruding plate of the front side of the supporting base plate (4) and the front side of the bottom of the rear supporting frame body (1) during installation.

6. The hydraulic engineering overhauls cat ladder of claim 1 characterized in that: the fixed symmetry in top both sides of supporting shoe (5) is provided with two low grooves, and when current support body (2) make progress the rotation and drive footboard (3) and all rotate to the level, the bottom of preceding support body (2) can block just in the low groove of supporting shoe (5) top both sides, and supporting shoe (5) inside is hollow structure.

7. The hydraulic engineering overhauls cat ladder of claim 1 characterized in that: 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) can be parallel to the top surface of the support base plate (4) no matter how the front support frame body is displaced.

8. The hydraulic engineering overhauls cat ladder of claim 1 characterized in that: 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.

Technical Field

The invention relates to the technical field of hydraulic engineering, in particular to a hydraulic engineering overhauling crawling ladder.

Background

Along with the rapid development of economy and urban infrastructure in China, the demand of various new building materials is increasingly enhanced, and as an accessory facility of an urban inspection hoistway, the ladder stand is a plastic steel ladder stand for short, can be used in places such as an inspection well and a sewage well, and is convenient for workers to go up and down; the high-strength plastic is made of round steel and high-strength industrial plastic, and has low manufacturing cost and high performance, so that the cost performance is higher.

For example, application number is 201810742909.2's patent, discloses a hydraulic engineering overhauls cat ladder with flexible regulation, 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 fixed surface of first fixed column has 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, the second support frame and the third support frame are respectively connected together through the first fixed column and the second fixed column, and the first support frame, the second support frame and the third support frame are respectively fixed together through the first fixed column and the second fixed column through bolts, so that the overhaul ladder stand can be stretched by moving the first support frame up and down, the use range of the ladder stand is widened, and the use performance of the ladder stand is further improved.

Based on the above, some existing hydraulic engineering overhaul crawling ladders are arranged to be wide pedals with large areas in order to improve the comfort of workers standing on the crawling ladders during working, but most of the wide pedals are fixed, so that the crawling ladders are inconvenient to carry, and some crawling ladders which are fixedly used for a long time can have garbage fragments falling on the tops of the wide pedals, so that the surfaces of the crawling ladders are difficult to keep clean, climbing is influenced, and although some of the wide pedals can rotate, the wide pedals are independently rotated, the sequential rotation is very inconvenient, and the crawling ladders are also very unstable after the rotation; therefore, unsatisfied current demand, to this we provide a hydraulic engineering overhauls cat ladder.

Disclosure of Invention

The invention aims to provide a hydraulic engineering overhaul ladder stand, and the hydraulic engineering overhaul ladder stand is used for solving the problems that in order to improve the comfort of workers standing on the hydraulic engineering overhaul ladder stand during working, some hydraulic engineering overhaul ladder stands are provided with wide pedals with large areas, but the wide pedals are mostly fixed and are inconvenient to carry, and in addition, the ladder stands which are fixedly used for a long time are likely to have garbage fragments falling on the tops of the pedals, the surface is difficult to keep clean and the climbing is influenced, and although some pedals can rotate, the pedals are independently rotated, the sequential rotation is very inconvenient, and the ladder stands are also very unstable after the rotation.

In order to achieve the purpose, the invention provides the following technical scheme: a hydraulic engineering overhaul crawling ladder comprises a rear support frame body and a pedal; the bottoms of the two rear support frame bodies are fixedly connected with the rear side of the top of the support bottom plate through welding; the two sides of the rear part of the seven pedals are respectively fixedly connected with the inner sides of the two rear support frame bodies through bolts; the two sides in front of the seven pedals are respectively fixedly connected with the inner sides of the two front support frame bodies through bolts; the tops of the two rear support frame bodies 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; and the top of the supporting bottom plate is also provided with a supporting block.

Preferably, the rear side of the pedal is 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 pedal, the rear support frame body and the front support frame body form a parallelogram structure capable of changing the shape in a rotating mode.

Preferably, the supporting base plate is an L-shaped plate, the top of the front side of the supporting base plate protrudes upwards, and the supporting block can be just clamped between the top protruding plate of the front side of the supporting base plate and the front side of the bottom of the rear supporting frame body during installation.

Preferably, the two lower grooves are symmetrically and fixedly arranged on the two sides of the top of the supporting block, and when the front supporting frame body rotates upwards to drive the pedal to rotate to the horizontal position, the bottom of the front supporting frame body can be just clamped in the lower grooves on the two sides of the top of the supporting block, and the supporting block is internally provided with a hollow structure.

Preferably, the bottom of the front support frame is a horizontal cutting surface, and the bottom surface of the front support frame is parallel to the top surface of the support base plate no matter how the front support frame is displaced.

Preferably, the bottom of the supporting bottom plate is fixedly provided with a plurality of transverse strip-shaped adhesive tapes, and the rear side of the top block is also fixedly provided with a plurality of transverse strip-shaped adhesive tapes.

Compared with the prior art, the invention has the beneficial effects that:

first, when needing to use this cat ladder, hold preceding support frame body bottom earlier and promote preceding support frame body and remove to the oblique top, preceding support frame body produced the displacement and can drive seven footboards and rotate this moment, then place the supporting shoe between the bottom front side of supporting baseplate front side top protruding board and back support frame body, make preceding support frame body bottom card in the low groove of supporting shoe top both sides, seven footboards are all in the horizontality this moment, because the supporting shoe can not slide from beginning to end, and the low groove at supporting shoe top can restrict preceding support frame body and produce the displacement, so can fix the direction of footboard, can once only all launch when launching the footboard of cat ladder, it is more convenient to operate, and the firm degree after launching also improves greatly.

Second, when need not use the cat ladder, promote earlier that preceding support frame moves to oblique top and makes its bottom break away from with the low groove of supporting shoe top both sides, then outwards pull out the supporting shoe, support the support body again and loosen preceding, preceding support frame can be because the action of gravity displacement of oblique below is again laminated with back support frame this moment, the footboard all can rotate for the tilt state this moment, consequently can be more convenient when carrying, and even this cat ladder needs long-term the fixing, also can avoid keeping the rubbish piece because of the slope after these footboard rotations, do benefit to more and keep surperficial clean and tidy.

Drawings

FIG. 1 is a schematic side view of the assembled and unfolded main shaft of the present invention;

FIG. 2 is a schematic side view of the assembled and deployed reclining mechanism of the present invention;

FIG. 3 is a schematic side view of the spindle with the support block removed and the support block deployed according to the present invention;

FIG. 4 is a schematic side view of the assembled spindle according to the present invention;

FIG. 5 is a schematic side view of the main shaft of the present invention after being disassembled;

FIG. 6 is an enlarged partial view of FIG. 2 at point A;

FIG. 7 is an enlarged partial view of the structure of FIG. 2 at point B;

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. a rack for placing articles.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 7, an embodiment of the present invention includes: a hydraulic engineering overhaul crawling ladder comprises a rear support frame body 1 and a pedal 3; the bottoms of the two rear support frame bodies 1 are fixedly connected with the rear side of the top of the support bottom plate 4 by welding; the supporting base plate 4 is an L-shaped plate, the top of the front side of the supporting base plate 4 protrudes upwards, the supporting block 5 can be just clamped between the top protruding plate of the front side of the supporting base plate 4 and the front side of the bottom 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 base plate 4 and the front side of the bottom of the rear supporting frame body 1 when being used, the front supporting frame body 2 is loosened, the bottom of the front supporting frame body 2 is clamped in the lower grooves of the two sides of the top of the supporting block 5, all the seven pedals 3 are in a horizontal state at the moment, the supporting block 5 cannot slide back and forth, and the lower grooves of the top of the supporting block 5 can limit the front supporting frame body 2 to generate displacement, so that; the two rear sides of the seven pedals 3 are respectively fixedly connected with the inner sides of the two rear support frame bodies 1 through bolts; the rear sides of the pedals 3 can rotate around the bolts connected with the rear support frame body 1, when the ladder stand needs to be used, the bottom of the front support frame body 2 is firstly held and the front support frame body 2 is pushed to move obliquely upwards, at the moment, the front support frame body 2 generates displacement and can drive the seven pedals 3 to rotate, so that the pedals 3 are all rotated to be horizontal, and the pedals 3 of the ladder stand can be all unfolded at one time when being unfolded, so that the ladder stand is more convenient to operate; the front sides of the pedals 3 can rotate around bolts connected with the front support frame 2, when the ladder is needed, the bottom of the front support frame 2 is firstly held and the front support frame 2 is pushed to move obliquely upwards, at the moment, the front support frame 2 generates displacement to drive the seven pedals 3 to rotate, so that the pedals 3 are all rotated to be horizontal, and the pedals 3 of the ladder can be all unfolded at one time when being unfolded, so that the ladder is more convenient to operate; the two sides in front of the seven pedals 3 are respectively fixedly connected with the inner sides of the two front support frame bodies 2 through bolts; the tops of the two rear support frame bodies 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 support block 5 is also mounted on top of the support floor 4.

Further, footboard 3 supports the parallelogram structure that support body 1 and preceding support body 2 constitution can rotate the change shape with the back, when needing to use this cat ladder, support body 2 bottom and promote preceding support body 2 and move to oblique top before holding earlier, and preceding support body 2 produces the displacement and can drive seven footboards 3 and rotate this moment to all rotatory to the level with footboard 3, and can once only all expand when expanding footboard 3 with the cat ladder, and it is more convenient to operate.

Further, the fixed symmetry in top both sides of supporting shoe 5 is provided with two low grooves, and when supporting 2 upwards rotations of support body at present and driving footboard 3 and all rotate to the level, the bottom of preceding support body 2 can block just in the low groove of 5 top both sides of supporting shoe, and the inside hollow structure that is of supporting shoe 5, place supporting shoe 5 between the bottom front side of 4 front side top convex plates of supporting baseplate and back support body 1 during the use, at this moment, loosen preceding support body 2, make 2 bottoms of preceding support body block in the low groove of 5 top both sides of supporting shoe, seven footboard 3 are all at the horizontality this moment, because supporting shoe 5 can not slide from beginning to end, and the low groove at supporting shoe 5 top can restrict preceding support body 2 and produce the displacement, so can be fixed with footboard 3's direction, the firm degree after the expansion improves greatly.

Furthermore, 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 can be parallel to the top surface of the support base plate 4 no matter how the front support frame body 2 is displaced, so that the front support frame body 2 cannot be displaced downwards when the bottom of the front support frame body is embedded with the inner grooves on the two sides of the top of the support block 5, and the stability is greatly improved.

Further, the fixed a plurality of horizontal bar adhesive tapes that are provided with in bottom of supporting baseplate 4, the rear side of kicking block 6 is also fixed and is provided with a plurality of horizontal bar adhesive tapes, pastes the supporting baseplate 4 of this device during the use tight ground, 6 rear sides of kicking block paste tight wall place can, the bar adhesive tape of 4 bottoms of supporting baseplate and 6 rear sides of kicking block can improve frictional force, avoid the workman to stand and produce when the cat ladder and slide, improve the security.

The working principle is as follows: when the ladder stand is needed to be used, the bottom of the front support frame body 2 is firstly held and the front support frame body 2 is pushed to move towards the oblique upper side, at the moment, the front support frame body 2 generates displacement and can drive seven pedals 3 to rotate, the front side of each pedal 3 is rotated to be higher than the rear side, then the supporting block 5 is placed between the top convex plate at the front side of the supporting base plate 4 and the front side of the bottom of the rear support frame body 1, at the moment, the front support frame body 2 is loosened, the bottom of the front support frame body 2 is clamped in the lower grooves at the two sides of the top of the supporting block 5, at the moment, the seven pedals 3 are all in a horizontal state, the supporting block 5 cannot slide back and can limit the front support frame body 2 to generate displacement, so that the direction of each pedal 3 can be fixed, then the supporting base plate 4 of the ladder stand is tightly attached to the ground, the rear side of the top block 6 is tightly attached to the wall surface and placed, avoid the workman to stand and produce when the cat ladder is above, improve the security, can once only all expand when the footboard 3 with the cat ladder expandes, it is more convenient to operate, and the firm degree after expanding also improves greatly, when need not use the cat ladder, support the support body 2 to remove to the top to one side before promoting earlier and make its bottom break away from with the low groove of 5 top both sides of supporting shoe, then 5 outwards pull out the supporting shoe, loosen preceding support body 2 again, preceding support body 2 can be because of the action of gravity displacement below the skew again and the laminating of back support frame body 1, footboard 3 all can rotate for the tilt state this moment, consequently, can be more convenient when carrying, and even this cat ladder needs long-term the fixing, also can avoid remaining rubbish piece because of the slope after these footboard 3 rotations, do benefit to more and keep the surface clean and tidy.

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 attributes 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.