CN211598491U

CN211598491U - Detachable cat ladder of concrete mixing transport vechicle

Info

Publication number: CN211598491U
Application number: CN201922480426.2U
Authority: CN
Inventors: 李文琦; 郭军安; 宋建伟
Original assignee: Zhengzhou Boyuan Machinery Co ltd
Current assignee: Zhengzhou Boyuan Machinery Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-29
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a detachable cat ladder of concrete mixing transport vechicle, including fixed mounting panel, the fixed mounting panel that sets up on the concrete mixing transport vechicle and with a plurality of loop bars of mounting panel place plane looks vertically, peg graft first ladder frame on the loop bar, set up first platform and the second platform on first ladder frame top and bottom respectively and install the second ladder frame in the second platform below, the below of first ladder frame, first platform and second platform all is provided with the inserted bar rather than fixed connection and the inserted bar is pegged graft in the loop bar. The utility model provides a inconvenient problem of maintenance that the not high and cat ladder whole welding of joint strength brought of installation when concrete mixing transport vechicle cat ladder fixed weld, bolted connection.

Description

Detachable cat ladder of concrete mixing transport vechicle

Technical Field

The utility model relates to a concrete mixing transport vechicle design field, concretely relates to detachable cat ladder of concrete mixing transport vechicle.

Background

In the structure of concrete mixing truck, the cat ladder of concrete mixing truck afterbody is usually for washing stirring vane, business turn over material device and spare part and have the function of observing the agitator tank afterbody concrete business turn over material condition concurrently, through the setting of cat ladder, makes staff's accessible cat ladder carry out the operation on concrete mixing truck afterbody top. The ladder of the existing concrete mixing transport vehicle is usually welded or directly fixed at the tail part of a mixer truck frame through bolts, but under the condition of welding, a hoisting tool is also needed to fix the ladder at a corresponding position for welding, and welding personnel also need to lift the ladder at a high degree for welding, so that the welding installation is inconvenient and consumes manpower and material resources; when the crawling ladder is fixedly arranged on the frame in a bolt connection mode, the crawling ladder directly fixed by the bolts is not high in connection strength with the frame, and safety accidents caused by unreliable connection strength are prone to occurring; in addition, the spare part of current cat ladder self is usually for fixed weld, need cut the whole cutting of cat ladder or dismantle and work such as cutting reinforcement again when maintenance and change, and the operation is very inconvenient.

Disclosure of Invention

In order to solve the problem that the ladder stand of the concrete mixing transport truck in the prior art is inconvenient to install during fixed welding, not high in connection strength during bolt connection and inconvenient to maintain due to integral welding of the ladder stand. The utility model provides a detachable cat ladder of concrete mixing transport vechicle.

The utility model provides a detachable cat ladder of concrete mixing transport vechicle, including fixed mounting panel, the fixed mounting panel that sets up on the concrete mixing transport vechicle and with a plurality of loop bars of mounting panel place plane looks vertically, peg graft first ladder frame on the loop bar, set up first platform and the second platform on first ladder frame top and bottom respectively and install the second ladder frame in the second platform below, the below of first ladder frame, first platform and second platform all is provided with rather than fixed connection's inserted bar and inserted bar pegs graft in the loop bar.

Furthermore, the loop bar is a square tube with the top center not completely closed, and the inserted bar is solid rod-shaped and matched with the loop bar.

Furthermore, the first ladder frame and the second ladder frame are composed of two parallel ladder beams and pedals arranged between the ladder beams, a handrail is arranged on the ladder beam far away from the mounting plate on the first ladder frame, and the handrail is fixed on the ladder beams through bolts.

Furthermore, a guard rail with three surrounded surfaces is arranged on the first platform and fixedly connected with the first platform through bolts.

Furthermore, threaded holes corresponding to the positions are formed in the bottom of the loop bar and the bottom of the inserted bar, and fixing bolts used for fixing the relative positions of the loop bar and the inserted bar are arranged in the threaded holes.

Furthermore, one ends of the sleeve rod and the inserted rod which are sleeved with each other and far away from the mounting plate are flush with each other, the ends are buckled with concave-shaped end covers, and the end covers are fixed with the sleeve rod and the inserted rod through bolts.

Furthermore, a rib plate is arranged at the joint of the loop bar and the mounting plate.

Further, the planes of the whole first ladder frame and the whole second ladder frame are perpendicular to each other, the first ladder frame is obliquely arranged relative to the vertical plane, and the second ladder frame is vertically arranged.

Furthermore, the first platform and the first ladder frame, the first ladder frame and the second platform and the second ladder frame are detachably connected.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a detachable cat ladder of concrete mixing transport vechicle, through the detachable cat ladder that fixes on the mounting panel through the grafting mode that sets up, make the cat ladder need not maintain suitable welding position for a long time through hoist device when the whole is installed, only need insert the corresponding inserted bar on the cat ladder in the loop bar with mounting panel fixed connection, and fix the relative position of inserted bar and loop bar through the fixing bolt of bottom, connect spacing and further increase its joint strength through the end cover of the inserted bar and loop bar tip of cover in the mutual coordination simultaneously, simple to operate and make the joint strength of carrying out the fixed connection through the bolt obtain reliable assurance through the setting of inserted bar, loop bar, the setting of gusset on the loop bar has further strengthened the whole installation joint strength of cat ladder simultaneously;

through the setting of the detachable connection mode between the first platform and the first ladder frame, between the first ladder frame and the second platform and between the second platform and the second ladder frame and the setting of the guard rail and the handrail fixed through bolts, the ladder stand is integrally formed by detachable module parts, and when the ladder stand is maintained and replaced, the detachable module parts can be detached and replaced conveniently.

Drawings

FIG. 1 is the first schematic view of the whole structure of the detachable ladder stand of the concrete mixing truck.

Fig. 2 is the utility model relates to a whole structure schematic diagram two of the detachable cat ladder of concrete mixing transport vechicle.

FIG. 3 is a front view of the detachable ladder stand of the concrete mixing truck.

Figure 4 is the utility model discloses a A department's schematic structure in figure 3 of the detachable cat ladder of concrete mixing transport vechicle.

Fig. 5 is the mounting panel structure schematic diagram of the detachable cat ladder of the concrete mixing transport vehicle.

FIG. 6 is a schematic view of the ladder stand part of the detachable ladder stand of the concrete mixing truck.

The reference numbers are: the ladder comprises a mounting plate 1, a loop bar 2, a first ladder frame 3, a first platform 4, a second platform 5, a second ladder frame 6, an inserting bar 7, a pedal 8, a handrail 9, a guard rail 10, a fixing bolt 11, an end cover 12 and a rib plate 13.

Detailed Description

The invention will be further explained with reference to the following figures and specific examples:

as shown in fig. 1-6, a detachable crawling ladder of a concrete mixing truck comprises a mounting plate 1 fixedly arranged on the concrete mixing truck, a plurality of loop bars 2 fixedly arranged on the mounting plate 1 and perpendicular to the plane of the mounting plate 1, a first ladder frame 3 inserted into the loop bars 2, a first platform 4 and a second platform 5 respectively arranged at the top end and the bottom end of the first ladder frame 3, and a second ladder frame 6 arranged below the second platform 5, wherein an insertion rod 7 fixedly connected with the first ladder frame 3, the first platform 4 and the second platform 5 are arranged below the first ladder frame 3, the second platform 4 and the second platform 5, and the insertion rod 7 is inserted into the loop bars 2.

Specifically, the loop bar 2 is a square tube of which the top center is not completely closed, and the inserted bar 7 is a solid bar and is matched with the loop bar 2; the first ladder frame 3 and the second ladder frame 6 are composed of two parallel ladder beams and pedals 8 arranged between the ladder beams, a handrail 9 is arranged on the ladder beam, far away from the mounting plate 1, on the first ladder frame 3, and the handrail 9 is fixed on the ladder beams through bolts; a three-side surrounding protective guard 10 is arranged on the first platform 4, and the protective guard 10 is fixedly connected with the first platform 4 through bolts; threaded holes corresponding to the positions are formed in the bottom of the loop bar 2 and the bottom of the inserted bar 7, and fixing bolts 11 used for fixing the relative positions of the loop bar 2 and the inserted bar 7 are arranged in the threaded holes.

One ends of the sleeve rod 2 and the inserted rod 7 which are sleeved with each other and far away from the mounting plate 1 are flush, the ends are buckled with concave end covers 12, and the end covers 12 are fixed with the sleeve rod 2 and the inserted rod 7 through bolts; a rib plate 13 is arranged at the joint of the loop bar 2 and the mounting plate 1; the planes of the whole first ladder frame 3 and the whole second ladder frame 6 are perpendicular to each other, the first ladder frame 3 is obliquely arranged relative to the vertical plane, and the second ladder frame 6 is vertically arranged; the first platform 4 and the first ladder frame 3, the first ladder frame 3 and the second platform 5 and the second ladder frame 6 are detachably connected.

In the detachable cat ladder of concrete mixing transport vechicle assembles and the installation, at first 3 between first platform 4 and the first ladder frame, carry out equipment connection through the bolt between first ladder frame 3 and the second platform 5 and between second platform 5 and the second ladder frame 6, all assemble handrail 9 and rail guard 10 with terraced roof beam and first platform 4 respectively through the bolt, constitute the assembly structure of detachable cat ladder, the setting up of the connection mode dismantled through bolted connection makes the cat ladder wholly form by the equipment of detachable module part itself, when maintaining and changing, can carry out convenient dismouting and change to solitary detachable module part.

The assembled cat ladder assembly is lifted to a certain height by a forklift or a hoisting mechanism, an inserted bar 7 on the cat ladder is matched with a loop bar 2 on a mounting plate 1 and inserted, a fixing bolt 11 is screwed in the lower parts of the loop bar 2 and the inserted bar 7 to fix the positions of the inserted bar 7 and the loop bar 2, then an end cover 12 is buckled at one end of the inserted bar 7 and the loop bar 2 far away from the mounting plate 1 and is fixed by a bolt, the connection of the inserted bar 7 and the loop bar 2 is limited and the connection strength is further increased, the detachable cat ladder fixed on the mounting plate 1 by the arranged plugging mode ensures that the cat ladder is not required to maintain a proper welding position for a long time by a hoisting device during integral installation, only the corresponding inserted bar 7 on the cat ladder is inserted into the loop bar 2 fixedly connected with the mounting plate 1, and the relative positions of the inserted bar and the loop bar are fixed by the fixing bolt 11 at the bottom and the buckled end cover 12, meanwhile, the structural strength of the ladder stand is further enhanced by the arrangement of the rib plates 13 on the loop bar 2, and the detachable ladder stand which is installed integrally has high connection strength and is convenient to install.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. The utility model provides a detachable cat ladder of concrete mixing transport vechicle, its characterized in that, including fixed mounting panel (1) that sets up on the concrete mixing transport vechicle, fixed set up on mounting panel (1) and with a plurality of loop bars (2) of mounting panel (1) place plane looks vertically, peg graft first ladder (3) on loop bar (2), set up first platform (4) and second platform (5) and install second ladder (6) in second platform (5) below on first ladder (3) top and bottom respectively, the below of first ladder (3), first platform (4) and second platform (5) all is provided with inserted bar (7) and inserted bar (7) peg graft in loop bar (2) rather than fixed connection.

2. The concrete mixing transport vehicle detachable ladder stand as recited in claim 1, characterized in that the loop bar (2) is a square tube whose top center is not completely closed, and the inserted bar (7) is a solid bar shape and matches with the loop bar (2).

3. The detachable ladder stand of the concrete mixing truck as recited in claim 1, characterized in that the first ladder frame (3) and the second ladder frame (6) are composed of two parallel ladder beams and a pedal (8) arranged between the ladder beams, a handrail (9) is arranged on the ladder beam of the first ladder frame (3) far away from the mounting plate (1), and the handrail (9) is fixed on the ladder beams through bolts.

4. The concrete mixer truck detachable ladder stand as recited in claim 1, characterized in that a three-side-surrounding guard rail (10) is provided on the first platform (4), and the guard rail (10) is fixedly connected with the first platform (4) through bolts.

5. The concrete mixing truck detachable ladder stand as recited in claim 1, characterized in that the bottom of the loop bar (2) and the bottom of the inserted bar (7) are provided with threaded holes corresponding to each other, and the threaded holes are provided with fixing bolts (11) for fixing the relative positions of the loop bar (2) and the inserted bar (7).

6. The concrete mixing truck detachable ladder stand as recited in claim 1, characterized in that the ends of the sleeved loop bar (2) and the sleeved inserted bar (7) far away from the mounting plate (1) are flush and are buckled with a concave end cover (12), and the end cover (12) is fixed with the loop bar (2) and the inserted bar (7) through bolts.

7. The concrete mixing transport cart detachable ladder according to claim 1, wherein a rib plate (13) is arranged at the joint of the loop bar (2) and the mounting plate (1).

8. The concrete mixer truck detachable ladder stand according to claim 1, wherein the planes of the first ladder frame (3) and the second ladder frame (6) are perpendicular to each other, the first ladder frame (3) is arranged obliquely relative to the vertical plane, and the second ladder frame (6) is arranged vertically.

9. The concrete mixer truck detachable ladder according to claim 1, wherein the first platform (4) and the first ladder rack (3), the first ladder rack (3) and the second platform (5), and the second platform (5) and the second ladder rack (6) are detachably connected.