CN219489431U - Quick-assembly tower crane logo section ladder frame - Google Patents

Abstract

The utility model discloses a quick-assembly type tower crane scale section ladder frame which comprises a ladder frame body, wherein a positioning assembly is arranged on the top wall of the ladder frame body, and a plurality of fixing assemblies are arranged at the bottom of the ladder frame body; the utility model relates to the technical field of tower crane scale section ladder frames, and discloses a fixed assembly, which comprises a connecting plate, wherein the front wall of a ladder frame body is rotationally connected with a limiting seat through a rotating shaft, and the bottom wall of the ladder frame body is fixedly connected with a positioning rod; this fast-assembling formula tower crane mark festival ladder frame is through with two the same ladder frame body composite installation, peg graft the locating lever to in the location mouth that corresponds, and the rotation connecting plate drives the position phase-match of corresponding screw socket and No. two screw sockets, thereby it is fixed with the mutual spiro union installation of its screw socket and No. two screw sockets, make the in-process of installing, enter into the locating lever length in the location mouth and obtain increasing, and the position atress of whole connection is more comprehensive, the simple structure of installation, the operation is swift convenient.

Description

Quick-assembly tower crane logo section ladder frame

Technical Field

The utility model relates to the technical field of tower crane standard section ladder frames, in particular to a quick-assembly tower crane standard section ladder frame.

Background

The tower crane standard section ladder frame is an important component of the tower crane, thus occupying a very important position in the whole tower crane, and the tower crane standard section is divided into an integral standard section and a sheet type standard section according to whether the integral standard section and the sheet type standard section can be split or not.

The utility model discloses a heavy tower crane mark section ladder frame convenient to installation in patent number CN202121091515.9, including mark section ladder frame body, mark section ladder frame body includes bracing piece, connecting rod and stiffener, the bracing piece array is provided with four, connecting rod and stiffener all set up between two adjacent bracing pieces, the stiffener sets up between two adjacent connecting rods, just the stiffener both ends all are connected with the bracing piece, are provided with stabilizing mean in the middle of the connecting rod top that is located the top, the bracing piece top is provided with installation mechanism, and installation mechanism includes installation sleeve pipe and first gim peg, the installation sleeve pipe sets up in the bracing piece top outside, first gim peg sets up around the installation sleeve pipe outside, and this utility model simple structure, reasonable in design is convenient for install two adjacent mark section ladder frame bodies through installation mechanism to through stabilizing mean, can strengthen the stability of connecting between two adjacent mark section ladder frame bodies, the practicality is strong.

The device has certain disadvantages when in use: connect two adjacent standard festival ladder frame bodies, make the bracing piece bottom of top be in the installation sleeve pipe in the bracing piece outside of below, use first gim peg to connect the installation sleeve pipe fixedly with the bracing piece of top, accomplish the installation of two adjacent standard festival ladder frame bodies fixedly, but in actual installation, installation sleeve pipe's degree of depth is limited, so the bracing piece is in the intraductal limited length of entering into installation sleeve, when this kind of condition makes two standard festival ladder frame body connections, the junction atress is limited to have certain potential safety hazard.

Therefore, the utility model provides a quick-assembly tower crane logo section ladder frame to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a quick-assembly tower crane standard section ladder frame, which solves the problems.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the quick-assembly type tower crane logo section ladder frame comprises a ladder frame body, wherein a positioning assembly is arranged on the top wall of the ladder frame body, and a plurality of fixing assemblies are arranged at the bottom of the ladder frame body;

the fixed subassembly includes the connecting plate, ladder frame body front wall rotates through the pivot and is connected with spacing seat, ladder frame body diapire fixedly connected with locating lever, ladder frame body roof has seted up with locating lever assorted locating port, a screw socket has all been seted up to spacing seat and locating lever front wall, a screw socket inner wall spiro union installs mounting bolt, no. two screw sockets have been seted up at ladder frame body front wall top and the position that corresponds the locating port.

Further, the top wall of the connecting plate is fixedly connected with the rotating shaft, and the diameters of the first screw and the second screw are the same.

Through above-mentioned technical scheme, the installation location is carried out through the mounting bolt of same specification to first screw and second screw diameter.

Further, the positioning assembly comprises a plurality of concave positioning seats.

Through above-mentioned technical scheme, the matching of concave positioning seat and lug is used, and the in-process installation location of whole work is more accurate.

Further, the bottom wall of the concave positioning seat is fixedly connected with the top wall of the ladder frame body.

Through above-mentioned technical scheme, concave positioning seat fixed mounting is on ladder frame body roof.

Further, the bottom wall of the ladder frame body is fixedly connected with a convex block matched with the concave positioning seat.

Through above-mentioned technical scheme, the matching of concave positioning seat and lug is used, and the in-process installation location of whole work is more accurate.

Further, the number of the protruding blocks is the same as that of the concave positioning seats.

Through the technical scheme, when the convex block and the concave positioning seat are matched with each other, the convex block and the concave positioning seat can be matched with each other.

Advantageous effects

The utility model provides a quick-assembly tower crane standard section ladder frame. Compared with the prior art, the device has the following

The beneficial effects are that:

(1) This fast-assembling formula tower crane mark festival ladder frame through with two same ladder frame body composite installation, peg graft the locating lever to the locating port that corresponds in, rotate the position phase-match of connecting plate drive corresponding screw socket and No. two screw sockets to it is fixed with the mutual spiro union installation of its screw socket and No. two screw sockets to install the bolt, make the in-process of installing, enter into the locating lever length in the locating port and obtain increasing, and the position atress of whole connection is more comprehensive, the simple structure of installation, the operation is swift convenient.

(2) This fast-assembling formula tower crane mark festival ladder frame is fixed through falling into the lug and combining the location in the concave positioning seat for when the installation, the in-process location preparation of two ladder frame body connections improves the efficiency of installation.

Drawings

FIG. 1 is a front view of the external structure of the present utility model;

FIG. 2 is a right side view of the external structure of the present utility model;

fig. 3 is a front view of the external structure of the present utility model.

In the figure 1, a ladder frame body; 2. a positioning assembly; 21. a concave positioning seat; 22. a bump; 3. a fixing assembly; 31. a limit seat; 32. a connecting plate; 33. a second screw; 34. a positioning port; 35. installing a bolt; 36. a first screw; 37. and a positioning rod.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-3, a quick-assembly tower crane scale section ladder frame comprises a ladder frame body 1, wherein a positioning assembly 2 is arranged on the top wall of the ladder frame body 1, and a plurality of fixing assemblies 3 are arranged at the bottom of the ladder frame body 1;

the fixed component 3 comprises a connecting plate 32, the front wall of the ladder frame body 1 is rotationally connected with a limit seat 31 through a rotating shaft, the bottom wall of the ladder frame body 1 is fixedly connected with a positioning rod 37, the top wall of the ladder frame body 1 is provided with a positioning opening 34 matched with the positioning rod 37, the front wall of the limit seat 31 and the front wall of the positioning rod 37 are provided with a first screw 36, the inner wall of the first screw 36 is in threaded connection with a mounting bolt 35, and the top of the front wall of the ladder frame body 1 is provided with a second screw 33 corresponding to the positioning opening 34;

in the embodiment of the utility model, the fixing component 3 is arranged, so that the stress is more uniform and the whole fixing component 3 has simple and uncomplicated structure and is easy to operate and install when the ladder frame body 1 is assembled and installed.

Embodiment two:

referring to fig. 1-3, the present embodiment provides a technical solution based on the first embodiment: the top wall of the connecting plate 32 is fixedly connected with the rotating shaft, the diameters of the first screw 36 and the second screw 33 are the same, the positioning assembly 2 comprises a plurality of concave positioning seats 21, the bottom wall of each concave positioning seat 21 is fixedly connected with the top wall of the ladder frame body 1, the bottom wall of the ladder frame body 1 is fixedly connected with convex blocks 22 matched with the concave positioning seats 21, and the number of the convex blocks 22 is the same as that of the concave positioning seats 21;

in the embodiment of the utility model, the positioning assembly 2 is arranged, so that the joint of the two ladder frame bodies 1 can be accurately positioned during installation, and the installation and operation of workers are facilitated.

And all that is not described in detail in this specification is well known to those skilled in the art.

When the combined type positioning device is in operation, firstly, when the tower crane standard section ladder frame is installed, two identical ladder frame bodies 1 are combined and installed, the positioning rods 37 are inserted into the corresponding positioning holes 34, and the connecting plates 32 are rotated to drive the corresponding first screw holes 36 and the corresponding second screw holes 33 to be matched in position, so that the installation bolts 35, the first screw holes 36 and the second screw holes 33 are mutually and fixedly connected in a screw manner, and the convex blocks 22 fall into the concave positioning seats 21 in the combined installation process to be combined and positioned and fixed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a fast-assembling formula tower crane logo festival ladder frame, includes ladder frame body (1), its characterized in that: the top wall of the ladder frame body (1) is provided with a positioning assembly (2), and the bottom of the ladder frame body (1) is provided with a plurality of fixing assemblies (3);

the fixed subassembly (3) is including connecting plate (32), the front wall of ladder frame body (1) is rotated through the pivot and is connected with spacing seat (31), ladder frame body (1) diapire fixedly connected with locating lever (37), ladder frame body (1) roof has seted up with locating lever (37) assorted locating hole (34), screw socket (36) have all been seted up to spacing seat (31) and locating lever (37) front wall, mounting bolt (35) are installed in screw socket (36) inner wall spiro union, no. two screw sockets (33) have been seted up at ladder frame body (1) front wall top and the position that corresponds locating hole (34).

2. A quick-assembly tower crane segment ladder as defined in claim 1, wherein: the top wall of the connecting plate (32) is fixedly connected with the rotating shaft, and the diameters of the first screw (36) and the second screw (33) are the same.

3. A quick-assembly tower crane segment ladder as defined in claim 1, wherein: the positioning assembly (2) comprises a plurality of concave positioning seats (21).

4. A quick-assembly tower crane section ladder as claimed in claim 3, wherein: the bottom walls of the concave positioning seats (21) are fixedly connected with the top wall of the ladder frame body (1).

5. A quick-assembly tower crane section ladder as claimed in claim 3, wherein: the bottom wall of the ladder frame body (1) is fixedly connected with a convex block (22) matched with the concave positioning seat (21).

6. The quick-assembly tower crane segment ladder of claim 5, wherein: the number of the protruding blocks (22) is the same as that of the concave positioning seats (21).