CN210888758U

CN210888758U - Water conservancy is utilized and is overhauld cat ladder

Info

Publication number: CN210888758U
Application number: CN201921609821.XU
Authority: CN
Inventors: 黄磊; 赵宏为; 嵇鹏程; 朱小磊; 陈锋; 包璐华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-06-30
Anticipated expiration: 2029-09-26

Abstract

The utility model relates to a water-utilizing overhaul crawling ladder, which belongs to the technical field of crawling ladders and comprises a plurality of ladders, wherein a plurality of pedals are fixedly arranged between two first stand columns of a first ladder, between two second stand columns of a second ladder and between two third stand columns of a third ladder at equal intervals, a plurality of pedals are fixedly arranged between two fourth stand columns of a fourth ladder at equal intervals, the top ends of the first stand columns and the bottom ends of the second stand columns are fixedly connected through a first hinge, and the top ends of the third stand columns and the bottom ends of the fourth stand columns are fixedly connected through a second hinge; grooves are vertically formed in the opposite side walls of the two second stand columns, the third stand column is movably inserted into the grooves up and down, and first screw rods are screwed in the grooves on the two sides; a plurality of first threaded holes are formed in the third upright post at equal intervals, and the first threaded holes are in screwed connection with the first screw rods; an object carrying plate is movably inserted in a through hole formed in the pedal; not only can be telescopic but also can be folded, and different heights can be adjusted, thereby being convenient to carry.

Description

Water conservancy is utilized and is overhauld cat ladder

Technical Field

The utility model relates to a cat ladder technical field, concretely relates to water conservancy overhauls cat ladder.

Background

Hydraulic engineering locates more remote place mostly, and general hydraulic engineering all is great, and the staff need overhaul with the help of the cat ladder, and general cat ladder is bulky, carries inconveniently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a reasonable in design's water conservancy and overhaul cat ladder, it is not only scalable but also collapsible, adjustable not co-altitude, easy operation, convenient to carry, the practicality is strong.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the ladder comprises a first ladder, a second ladder, a third ladder and a fourth ladder, wherein the first ladder comprises two first stand columns, the second ladder comprises two second stand columns, the third ladder comprises two third stand columns, the fourth ladder comprises two fourth stand columns, a plurality of pedals are fixedly arranged between the two first stand columns, between the two second stand columns and between the two third stand columns and between the two fourth stand columns at equal intervals, the top ends of the two first stand columns and the bottom ends of the two second stand columns are fixedly connected through a first hinge, and the top ends of the two third stand columns and the bottom ends of the two fourth stand columns are fixedly connected through a second hinge;

grooves are vertically formed in the opposite side walls of the two second stand columns, the grooves are located on the rear side of the pedal, the third stand column is movably inserted into the grooves up and down, the grooves are in contact with the outer side walls of the third stand column, first screw rods are screwed on the grooves on the two sides, and one end of the outer side of each first screw rod is fixedly provided with a first hand; a plurality of first threaded holes are formed in the two third upright columns at equal intervals, and the first threaded holes are screwed with the first screw rods; a binding belt is fixedly arranged on the pedal positioned at the top of the fourth ladder;

the through-hole has all been seted up in the footboard, and the fixed slide rail that is provided with of through-hole downside inner wall left and right sides symmetry, the fixed stopper No. two that is provided with in through-hole downside inner wall front side, and the activity is inserted in the through-hole and is equipped with carries the thing board, carries the fixed draw runner that is provided with of thing board bottom left and right sides symmetry, carries the fixed stopper No. one that is provided with of thing board bottom rear side, slide rail and draw runner looks joint setting, it is provided with the handle to fix on the preceding.

Further, two stands are hollow structure, and the equal equidistance in both sides has seted up No. two screw holes of several around the stand lower extreme, and the equal activity of the lower extreme of a stand is inserted and is established in the connecting rod, the bayonet socket has been seted up to the bottom of connecting rod, and two bayonet sockets have the bottom plate through the pivot joint, the both sides of bottom plate are all fixed and are provided with the rubber pad, the preceding lateral wall top spin of connecting rod has connect No. two screw rods, and the outside one end of No. two screw rods is fixed to be provided with No. two hands and twists, No. two screw holes and No. two screw rods meet the.

Furthermore, the surfaces of the pedals are provided with non-slip mats.

Furthermore, the top of the fourth stand column is fixedly provided with universal wheels.

Furthermore, the rear sides of the two stand columns are fixedly connected with the top end of the telescopic rod through hinges, and a folding support rod is fixedly arranged between the telescopic rod and the stand column.

Furthermore, the telescopic link comprises a branch and No. two branches, and hinge fixed connection is passed through with the rear side of stand No. one in the upper end of a branch, and the lower extreme of a branch slides and inserts and establish in No. two branches, and a branch is twisted fixedly through No. three hands with No. two branches.

Further, folding bracing piece comprises a bracing piece and No. two bracing pieces, connect through the pivot between a bracing piece and No. two bracing pieces, the other end of a bracing piece sets up on the lateral wall of stand through the pivot is fixed, the other end of No. two bracing pieces sets up on the lateral wall of telescopic link through the pivot is fixed.

After the structure is adopted, the beneficial effects of the utility model are that: a water conservancy overhauls cat ladder, it is not only scalable but also collapsible, adjustable not co-altitude, easy operation, convenient to carry, the practicality is strong.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a state diagram of the third ladder of the utility model partially retracted into the second ladder.

Fig. 3 is a sectional view taken along line a-a of fig. 1.

Fig. 4 is a state diagram of the telescopic rod of the present invention when it is closed.

Fig. 5 is a schematic view of the external structure of the middle pedal of the present invention.

Fig. 6 is a state diagram of the present invention when the intermediate carrying plate is pulled out.

Fig. 7 is a schematic structural view of the connecting rod of the present invention.

Fig. 8 is a schematic view of the connection structure of the first column, the connecting rod, the bottom plate and the pedal of the present invention.

Fig. 9 is a schematic view of the connection structure of the first ladder, the second ladder, the third ladder and the fourth ladder of the present invention.

Fig. 10 is a state diagram of the first upright post, the connecting rod, the bottom plate and the pedal when the middle ground is not level.

Fig. 11 is a schematic view of the internal structure of the middle pedal of the present invention.

Fig. 12 is a schematic structural view of the middle loading plate of the present invention.

Description of reference numerals:

ladder 1, ladder 2, ladder 3, ladder 4, hinge 5, hinge 6, upright 7, upright 8, upright 9, upright 10, footboard 11, handle 12, recess 13, screw 14, hand screw 15, screw hole 16, connecting rod 17, bottom plate 18, rubber pad 19, telescopic link 20, pole 20-1, pole 20-2, hand screw 20-3, folding support bar 21, support bar 21-1, support bar 21-2, non-slip mat 22, year thing board 23, universal wheel 24, hand screw 25, bandage 26, screw hole 27, bayonet 28, screw 29, through-hole 30, slide rail 31, draw runner 32, stopper 33, stopper 34.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 12, the following technical solutions are adopted in the present embodiment: the ladder comprises a ladder 1, a ladder 2, a ladder 3 and a ladder 4, wherein the ladder 1 comprises two upright posts 7, the ladder 2 comprises two upright posts 8, the ladder 3 comprises two upright posts 9, the ladder 4 comprises two upright posts 10, the upright posts 7, the upright posts 8 and the upright posts 9 are welded and fixed at equal intervals, and a plurality of pedals 11 are welded and fixed between the upright posts 10 and the upright posts 10, and the surfaces of the pedals 11 are respectively bonded with an anti-slip pad 22 through adhesive to prevent the sole from slipping; the top ends of the two first upright columns 7 are fixedly connected with the bottom ends of the two second upright columns 8 through first hinges 5, the top ends of the two third upright columns 9 are fixedly connected with the bottom ends of the two fourth upright columns 10 through second hinges 6, and the first hinges 5 and the second hinges 6 are multifunctional folding ladder joints;

grooves 13 are vertically formed in the opposite side walls of the two second upright columns 8, the grooves 13 are located on the rear side of the pedal 11, the third upright column 9 is movably inserted into the grooves 13 up and down, the grooves 13 are arranged in a manner of abutting against the outer side walls of the third upright column 9, first screw rods 14 are screwed on the grooves 13 on the two sides, and first hand screws 15 are fixedly welded at one ends of the outer sides of the first screw rods 14; a plurality of first threaded holes 16 are formed in the two third upright posts 9 at equal intervals, and the first threaded holes 16 are screwed with the first screw rods 14; the pedal 11 positioned at the top of the fourth ladder 4 is fixedly bound with a binding band 26;

through holes 30 are formed in the pedal 11, slide rails 31 are symmetrically and fixedly arranged on the left side and the right side of the inner wall of the lower side of each through hole 30 through bolts, a second limiting block 34 is fixedly arranged on the front side of the inner wall of the lower side of each through hole 30 through bolts, a loading plate 23 is movably inserted in each through hole 30, slide bars 32 are symmetrically and fixedly arranged on the left side and the right side of the bottom of the loading plate 23 through bolts, a first limiting block 33 is fixedly arranged on the rear side of the bottom of the loading plate 23 through bolts, the slide rails 31 and the slide bars 32 are clamped, the first limiting blocks 33 and the second limiting blocks 34 are arranged in a contact manner when the loading plate 23 is completely drawn out, so that the loading plate 23 is prevented from falling out of the pedal 11, and;

the two first upright posts 7 are of a hollow structure, a plurality of second threaded holes 27 are formed in the front side and the rear side of the lower end of each first upright post 7 at equal intervals, the lower end of each first upright post 7 is movably inserted into the connecting rod 17, a bayonet 28 is formed in the bottom end of the connecting rod 17, the two bayonets 28 are connected with the bottom plate 18 in a clamping mode through rotating shafts, rubber pads 19 are bonded on the two sides of the bottom plate 18 through adhesives, a second screw rod 29 is screwed on the front side wall of the connecting rod 17, a second hand screw 25 is fixedly arranged at one end of the outer side of the second screw rod 29, and the second threaded holes 27 are connected with the second screw rod;

universal wheels 24 are welded and fixed at the top ends of the fourth upright columns 10; the rear sides of the two first upright posts 7 are fixedly connected with the top end of the telescopic rod 20 through hinges, and a folding support rod 21 is fixedly arranged between the telescopic rod 20 and the first upright post 7;

the telescopic rod 20 consists of a first support rod 20-1 and a second support rod 20-2, the upper end of the first support rod 20-1 is fixedly connected with the rear side of the first upright post 7 through a hinge, the lower end of the first support rod 20-1 is slidably inserted into the second support rod 20-2, and the first support rod 20-1 and the second support rod 20-2 are fixed through a third hand screw 20-3; the folding support rod 21 is composed of a first support rod 21-1 and a second support rod 21-2, the first support rod 21-1 and the second support rod 21-2 are connected through a rotating shaft, the other end of the first support rod 21-1 is fixedly arranged on the side wall of the first upright post 7 through the rotating shaft, and the other end of the second support rod 21-2 is fixedly arranged on the side wall of the telescopic rod 20 through the rotating shaft.

The working principle of the specific embodiment is as follows: when the folding ladder is used, the first folding ladder 1 and the second folding ladder 2, the third folding ladder 3 and the fourth folding ladder 4 are unfolded, joints on the first hinge 5 and the second hinge 6 are fixed, the first hand screws 15 on the second upright posts 8 on two sides are rotated outwards, the third folding ladder 3 is pulled upwards, after the third folding ladder is moved to a required height, the first hand screws 15 on two sides are rotated reversely, the first screw rods 14 on the first hand screws 15 are screwed into the first screw holes 16 on the third upright posts 9, and the third folding ladder 3 and the second folding ladder 2 are fixed; when the ground is uneven, the second hand screw 25 can be unscrewed respectively according to the inclination degree of the ground, the first upright post 7 on the left side and the right side moves downwards, the second hand screw 25 is screwed down again after the adjustment, the ladder stand can be placed stably on the ground, the ladder stand is placed at a place needing to be lifted, the telescopic rod 20 is unfolded and pulled backwards, the first support rod 20-1 and the second support rod 20-2 are fixed through the third hand screw 20-3 after the adjustment to the required length, the bottom end of the ladder stand is stable, the ladder stand climbs to the position needing to be overhauled along the pedal 11, the handle 12 is pulled, the carrying plate 23 is pulled out, the tool box is placed on the carrying plate 23, the carrying weight of the body of an overhaul worker is reduced, the carrying plate 23 can be overhauled intensively, after the use is finished, the carrying plate 23 is pushed into the pedal 11, the ladder stand continuously climbs to the position needing to; after all having examined the repair, contract telescopic link 20 and laminate and paste 7 rear sides of a stand, unscrew a hand and twist 15, with No. 3 indentation ladders of No. two ladders 2, after having contracted, screw up a hand again and twist 15, make a screw rod 14 that a hand was twisted 15 screw in No. 16 threaded hole on No. three stands 9, to the folding No. four ladders 4 of rear side, to folding No. 1 of front side, tie up the folding ladder with bandage 26, because of being equipped with universal wheel 24, can drag on ground, alleviate the labour.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the telescopic and foldable chair is telescopic and foldable, can adjust different heights and is convenient to carry;

2. after being folded, the utility model is tightly bound by a binding band and moved on the ground by a universal wheel, thereby saving labor;

3. the rear side of the first upright post is provided with a telescopic rod and a folding supporting rod, so that the stability is strong, and the safety and the reliability are high;

4. the bottom ends of the first stand columns on the left side and the right side are provided with connecting rods, and when the ground is uneven, the height of the first stand columns on the left side and the right side can be respectively adjusted, so that the ladder stand can be vertically placed;

5. each pedal is internally provided with a carrying plate for placing tools, so that the body bearing weight of maintenance personnel is reduced;

6. the two sides of the bottom plate are provided with rubber pads, and the pedal is provided with anti-slip pads for preventing slipping, so that the safety factor is increased.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a water conservancy overhauls cat ladder, it contains ladder (1), No. two ladders (2), No. three ladders (3), No. four ladders (4), ladder (1) contains two stand (7), and No. two ladders (2) contain two stand (8), and No. three ladder (3) contain two stand (9) No. three, and No. four ladder (4) contain two stand (10) No. four, between two stand (7), between two stand (8), between two stand (9) No. three to and impartial fixed several footboard (11) that are provided with apart from between two stand (10) No. four, its characterized in that: the top ends of the two first upright columns (7) are fixedly connected with the bottom ends of the two second upright columns (8) through a first hinge (5), and the top ends of the two third upright columns (9) are fixedly connected with the bottom ends of the two fourth upright columns (10) through a second hinge (6);

grooves (13) are vertically formed in the opposite side walls of the two second upright columns (8), the grooves (13) are located on the rear side of the pedal (11), the third upright column (9) is vertically movably inserted into the grooves (13), the grooves (13) are arranged in a manner of being abutted to the outer side walls of the third upright column (9), first screw rods (14) are screwed on the grooves (13) in the two sides, and first hand screws (15) are fixedly arranged at one ends of the outer sides of the first screw rods (14); a plurality of first threaded holes (16) are formed in the two third upright columns (9) at equal intervals, and the first threaded holes (16) are connected with the first screw rods (14) in a screwed mode; a binding belt (26) is fixedly arranged on the pedal (11) positioned at the top of the fourth ladder (4);

through-hole (30) have all been seted up in footboard (11), through-hole (30) downside inner wall left and right sides symmetry is fixed and is provided with slide rail (31), and through-hole (30) downside inner wall front side is fixed and is provided with No. two stopper (34), and through-hole (30) internalization is inserted and is equipped with and carry thing board (23), carries thing board (23) bottom left and right sides symmetry and fixes and is provided with draw runner (32), carries thing board (23) bottom rear side and fixes and be provided with stopper (33) No. one, slide rail (31) and draw runner (32) looks joint set up, fixed being provided with handle (12) on the preceding lateral wall of carrying thing board (23).

2. The water conservancy utilizes and overhauls cat ladder of claim 1 characterized in that: two stand (7) are hollow structure, and the equal equidistance in both sides has seted up No. two screw holes of several (27) around No. one stand (7) lower extreme, and the equal activity of the lower extreme of a stand (7) is inserted and is established in connecting rod (17), bayonet socket (28) have been seted up to the bottom of connecting rod (17), and two bayonet sockets (28) have bottom plate (18) through the pivot joint, the both sides of bottom plate (18) are all fixed and are provided with rubber pad (19), the preceding lateral wall top spin of connecting rod (17) has connect No. two screw rods (29), and the outside one end of No. two screw rods (29) is fixed to be provided with No. two hands and screws up (25), No. two screw holes (27) and No. two screw rods (29).

3. The water conservancy utilizes and overhauls cat ladder of claim 1 characterized in that: the surface of the pedal (11) is provided with an anti-skid pad (22).

4. The water conservancy utilizes and overhauls cat ladder of claim 1 characterized in that: the top ends of the four upright posts (10) are all fixedly provided with universal wheels (24).

5. The water conservancy utilizes and overhauls cat ladder of claim 1 characterized in that: the rear sides of the two first upright columns (7) are fixedly connected with the top ends of the telescopic rods (20) through hinges, and the folding support rods (21) are fixedly arranged between the telescopic rods (20) and the first upright columns (7).

6. The water conservancy utilizes and overhauls cat ladder of claim 5 characterized in that: the telescopic rod (20) is composed of a first support rod (20-1) and a second support rod (20-2), the upper end of the first support rod (20-1) is fixedly connected with the rear side of the first upright post (7) through a hinge, the lower end of the first support rod (20-1) is inserted into the second support rod (20-2) in a sliding mode, and the first support rod (20-1) and the second support rod (20-2) are fixed through a third hand screw (20-3).

7. The water conservancy utilizes and overhauls cat ladder of claim 5 characterized in that: the folding support rod (21) is composed of a first support rod (21-1) and a second support rod (21-2), the first support rod (21-1) and the second support rod (21-2) are connected through a rotating shaft, the other end of the first support rod (21-1) is fixedly arranged on the side wall of the first upright post (7) through the rotating shaft, and the other end of the second support rod (21-2) is fixedly arranged on the side wall of the telescopic rod (20) through the rotating shaft.