CN204975845U - Ram cantilever crane group of set -top portion by force to frock - Google Patents

Abstract

The utility model discloses a pairing tool for the top arm frame of a dynamic tamping machine, which comprises a bottom frame, at least two beams uniformly distributed along the length direction of the bottom frame, and a row of vertical limit columns vertically and fixedly installed on the bottom frame , the vertical limit column is located on the same side of the crossbeam, the length direction of the crossbeam is consistent with the width direction of the underframe, and is installed in the center on the fixed surface of the underframe, the length of the crossbeam increases from the left end to the right end of the underframe, and the vertical The number of limit columns is equal to the number of beams; according to the positions of the chords and webs of the top boom of the dynamic compaction machine, the beams and vertical limit columns installed on the bottom frame form a positioning space with the hooks, and the installation of three chords is completed After that, the web can be welded. The end of the web is positioned by the beam and the vertical limit column. It only needs to measure the relative angle before welding, which can effectively ensure the straightness of the top boom and the overall assembly diagonal, and form a pair The top arm has a high degree of standardization and can be interchanged to improve work efficiency and avoid scrapping.

Description

The jib assembly tooling on the top of the dynamic compaction machine

technical field

The utility model relates to the technical field of welding the top arm frame of a dynamic ramming machine, and relates to a pairing tool for the top arm frame of a dynamic ramming machine.

Background technique

With the development of large-scale and gigantic industrial projects, in terms of equipment manufacturing and engineering installation, the requirements for the allowable lifting quality of cranes are gradually increasing. Cranes or dynamic compactors use the boom as a supporting structure. However, with the lifting quality With the improvement of boom strength, the requirements for the strength of the boom are getting higher and higher, and the weight of the boom itself is also gradually increasing, which limits the improvement of the lifting quality of cranes or dynamic compaction machines to a certain extent. For this reason, some large-scale cranes and dynamic compaction machines Both began to adopt the steel truss boom structure. On the one hand, the quality of the steel truss structure is greatly reduced under the premise of meeting the supporting strength. On the other hand, the steel truss is set in sections, and the length can be adjusted according to different lifting objects. Expand the scope of application of the crane to meet the requirements of large-scale and giant operations in equipment manufacturing and engineering installation.

The top jib of a general steel truss boom consists of four chords in the shape of a square truss and a web fixedly welded between the four chords. In the specific installation process, manual assembly is basically used at present. In this way, there are disadvantages such as out-of-tolerance boom straightness, out-of-tolerance overall assembly diagonal, incorrect angle, assembly deviation, non-interchangeability, low production efficiency, and high skill requirements for workers during production. If the pairing of the connecting head is seriously affected, it will be scrapped, resulting in waste of raw materials.

Utility model content

The technical problem to be solved by the utility model is to provide a pairing tooling for the top arm frame of the dynamic ramming machine. The positioning space is formed with the hook. The two chords at the lower part are positioned through the vertical limit column and the beam. Limiting grooves are set at both ends of the beam. The two lower chords can be positioned directly in the limit groove. The two ends of the first chord are aligned with the two beams at both ends of the chassis. The upper chord is positioned and installed with the hook installed on the top of the vertical limit column. After the installation of the three chords, the web can be welded , The position of the end of the web bar is positioned by the beam and the vertical limit column. It only needs to measure the relative angle and then weld it. It can effectively ensure the straightness of the top arm frame and the overall assembly diagonal, and the paired top arm has a high degree of standardization. , can be interchanged, improve work efficiency and avoid scrapping.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: a pairing tooling for the top arm frame of a dynamic tamping machine, including a bottom frame, at least two beams uniformly distributed along the length direction of the bottom frame, and a vertical fixed installation A row of vertical limit posts on the bottom frame, the vertical stop posts are located on the same side of the crossbeam, the length direction of the crossbeam is consistent with the width direction of the bottom frame, and is centered on the fixed surface of the bottom frame, the crossbeam The length increases from the left end to the right end of the underframe, and the number of vertical limit columns is equal to the number of crossbeams.

The height of the vertical limiting column increases sequentially from the left end of the chassis to the right end, the distance between the vertical limiting column and the longitudinal centerline of the chassis increases sequentially from left to right, and the vertical limiting column The top mounts the hooks that support the chords on the top jib.

The top of the vertical limiting column is horizontally fixed with a pin shaft, the axis of the pin shaft is the same as the length direction of the underframe, the hook is set on one end of the pin shaft, and the other end of the pin shaft is fixed by means of a cotter pin, and the hook includes The shank and the hook, the shank penetrates into the through hole on the pin shaft, and the axis of the shank is perpendicular to the axis of the pin shaft, and the shank is located on both sides of the pin shaft to be equipped with fixing nuts.

The vertical limiting column is a channel steel, the lower end of the channel steel is welded to the underframe, and an oblique support is installed between the outer surface of the channel steel and the underframe.

The semi-open space of the crossbeam, the vertical limit column and the hook stroke is the same as the half profile of the top boom of the dynamic compaction machine.

The underframe is a rectangular frame structure welded by channel steel.

The beneficial effect of adopting the above-mentioned technical solution is that: according to the position of the chord and the web of the top arm frame of the dynamic compaction machine, the beams installed on the bottom frame, the vertical limit columns and the hooks form a positioning space. The chord is positioned by the vertical limit column and the beam, and the two ends of the beam are provided with limit grooves, and the lower two chords can be positioned directly in the limit groove. The two beams at the end can be aligned, and the upper chord is positioned and installed with the hook installed on the top of the vertical limit column. After the three chords are installed, the web can be welded. The positioning of the limit column only needs to measure the relative angle and then weld it, which can effectively ensure the straightness of the top arm frame and the overall assembly diagonal line. The paired top arms are highly standardized and interchangeable, improving operating efficiency and avoiding scrapping .

Description of drawings

Fig. 1 is a front view of the utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the top view of Fig. 1;

Figure 4 is an enlarged view of the installation part of the hook;

Fig. 5 is a schematic diagram of the utility model in use;

In the accompanying drawings: 1, underframe; 2, beam; 3, vertical limit column; 4, pin shaft; 5, hook; 6, oblique support; 7, top boom.

detailed description

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

The utility model discloses a pairing tool for the top arm frame of a dynamic tamping machine as shown in Figures 1-3, comprising a bottom frame 1, at least two beams 2 uniformly distributed along the length direction of the bottom frame 1, and a vertical fixed installation A row of vertical limiting columns 3 on the chassis 1, the vertical limiting columns 3 are located on the same side of the crossbeam 2, the length direction of the crossbeam 2 is consistent with the width direction of the chassis 1, and is on the fixed surface of the chassis 1 Installed in the center, the length of the cross beam 2 increases from the left end of the chassis 1 to the right end, and the number of vertical limit columns 3 is equal to the number of cross beams 2; the height of the vertical limit columns 3 is from the left end of the chassis 1 to the right end Increase in turn, the distance between the vertical limit column 3 and the longitudinal centerline of the chassis 1 increases from left to right, and the top of the vertical limit column 3 is installed with a hook for supporting the upper chord of the top jib 5. The pin shaft 4 is fixed horizontally on the top of the vertical limiting column 3, the axis of the pin shaft 4 is in the same direction as the length of the chassis 1, the hook 5 is set on one end of the pin shaft 4, and the other end of the pin shaft 4 is Fixed to the cotter pin, the hook 5 includes a handle and a hook, the handle is shot through the through hole on the pin shaft 4, and the axis of the handle is perpendicular to the axis of the pin shaft 4, and the handle is located on the pin shaft 4 Both sides are equipped with fixing nuts (see attached drawing 4); the vertical limit column 3 is a channel steel, the lower end of the channel steel is welded to the bottom frame 1, and a diagonal is installed between the channel steel facade and the bottom frame 1. Support 6; the semi-open space of the crossbeam 2, the vertical limit column 3 and the hook 5 travel is the same as the half profile of the top arm frame of the dynamic compaction machine; the bottom frame 1 is a rectangular frame structure welded by channel steel.

In the specific application process, firstly, according to the position of the chord and the web of the top boom of the dynamic compaction machine (see Figure 5), the beam installed on the bottom frame and the vertical limit column and the hook form a positioning space. The two chords are positioned through the vertical limit column and the beam. Limit slots are set at both ends of the beam. The lower two chords can be positioned directly in the limit slots. The two beams at both ends of the frame can be aligned. The upper chord is positioned and installed with the hook installed on the top of the vertical limit column. After the three chords are installed, the web can be welded. The positioning of the vertical limit column only needs to measure the relative angle and then weld, which can effectively ensure the straightness of the top arm frame and the overall assembly diagonal line. The paired top arms have a high degree of standardization and can be interchanged to improve operating efficiency. Avoid scrapping.

Claims (6)

1. a dynamic compaction machinery top jib group is to frock, it is characterized in that: comprise underframe (1), the at least two piece crossbeams (2) uniform along underframe (1) length direction and the row vertical spacing post (3) be vertically fixedly mounted on underframe (1), vertical spacing post (3) is positioned at crossbeam (2) the same side, the length direction of described crossbeam (2) is consistent with the width of underframe (1), and determine face is installed between two parties at underframe (1), the length of described crossbeam (2) increases progressively from underframe (1) left end to right-hand member, the quantity of vertical spacing post (3) is equal with the quantity of crossbeam (2).

2. dynamic compaction machinery top according to claim 1 jib group is to frock, it is characterized in that: the height of described vertical spacing post (3) increases from underframe (1) left end successively to right-hand member, distance between described vertical spacing post (3) and underframe (1) longitudinal centre line increases from left to right successively, and described vertical spacing post (3) top is installed and is used for support, top jib and winds up the hook (5) of pipe.

3. dynamic compaction machinery top according to claim 2 jib group is to frock, it is characterized in that: described vertical spacing post (3) upper horizontal fixed installation bearing pin (4), the axis of bearing pin (4) is identical with the length direction of underframe (1), described hook (5) is located in bearing pin (4) one end, bearing pin (4) is fixed by means of split pin one end in addition, described hook (5) comprises shank and hook portion, described shank is worn in the through hole penetrated on bearing pin (4), and the axes normal of the axis of shank and bearing pin (4), shank is positioned at all supporting installation hold-down nut in bearing pin (4) both sides place.

4. dynamic compaction machinery top according to claim 3 jib group is to frock, it is characterized in that: described vertical spacing post (3) is channel-section steel, and channel-section steel lower end is welded with underframe (1), installs bearing diagonal (6) between channel-section steel alien invasion and underframe (1).

5. dynamic compaction machinery top according to claim 4 jib group is to frock, it is characterized in that: described crossbeam (2) and vertical spacing post (3) and to link up with the semi-open type space of (5) stroke identical with dynamic compaction machinery top jib half range profile.

6. dynamic compaction machinery top according to claim 5 jib group is to frock, it is characterized in that: described underframe (1) is the rectangular frame structure be welded into by channel-section steel.