CN214828571U - Jacking crossbeam convenient to process on tower machine - Google Patents

Abstract

The utility model discloses a jacking crossbeam convenient for processing on a tower crane, which comprises a main board, an upper baffle, a lower baffle and side boards, wherein the top and the bottom of the main board are fixed with an arc-shaped upper baffle and a bent lower baffle in a welding mode, the two sides of the main board are fixed with the side boards in a welding mode, the two ends above the side boards are respectively contacted with the bottom of the upper baffle and the top of the lower baffle, and a plurality of groups of ear plates are fixed on the upper baffle; need not to bend through the curb plate, reduce the process that the curb plate was bent, guarantee the axiality of otic placode hole on two otic placodes at jacking crossbeam top simultaneously, the while processing is more convenient and fast.

Description

Jacking crossbeam convenient to process on tower machine

Technical Field

The utility model relates to a tower machine assembly part field, concretely relates to jacking crossbeam of being convenient for on tower machine to process.

Background

The jacking cross beam acts on important assembly parts of the tower crane, and the precision of the jacking cross beam needs to be ensured during processing, so that subsequent assembly is facilitated; a plurality of parts are welded and spliced together mainly through a welding mode in the existing jacking cross beam, in the welding and splicing process, the requirement on coaxiality of lug plate holes in the tops of two sides of the jacking cross beam is high, and large deviation can be caused after welding is finished, so that products can be scrapped; the otic placode at rotatory jacking crossbeam top is mainly fixed on the baffle of jacking crossbeam both sides, the baffle of jacking crossbeam both sides need bend through the bender now, then weld the curb plate on the jacking crossbeam through the welded mode, but because the curb plate carries out manual bending through the bender, there is the deviation in the region of bending of every curb plate like this, the back of finishing is welded like this, the otic placode hole of jacking crossbeam both sides can produce the disalignment condition, need reprocess like this, staff's the operation degree of difficulty is bigger like this.

Disclosure of Invention

Not enough to above-mentioned prior art, the utility model provides a jacking crossbeam convenient to process on tower machine need not to bend through the curb plate, reduces the process that the curb plate was bent, guarantees the axiality of otic placode hole on two otic placodes at jacking crossbeam top simultaneously, and simultaneous processing is more convenient and fast.

In order to achieve the above purpose, the utility model discloses a scheme: a jacking cross beam convenient to process on a tower crane comprises a main plate, an upper baffle, a lower baffle and side plates, wherein the top and the bottom of the main plate are fixedly provided with an arc-shaped upper baffle and a bent lower baffle in a welding mode; and reinforcing ribs are fixed on the main plate between the upper baffle plate and the lower baffle plate in a welding mode.

Preferably, the otic placode downthehole the inserting of two sets of otic placodes about has the location bolt that the same root can adjust size, the location bolt includes the dead lever, the fixed lantern ring, the slip lantern ring, the gangbar with support tight pole, be provided with many and support tight poles around the dead lever, be provided with two fixed lantern rings and the slip lantern ring on the dead lever, be provided with the gangbar between the fixed lantern ring and every support tight pole, it is provided with the gangbar equally to support between tight at the slip lantern ring and every, be provided with the locking subassembly on the slip lantern ring, carry out the locking through the locking subassembly to the slip lantern ring, be convenient for like this and guarantee that the otic placode hole on the otic placode is coaxial.

Preferably, a secondary plate is fixed on the main plate on the inner side of each side plate, the secondary plate is parallel to the side plates and is located on the inner side surfaces of the side plates, the upper end and the lower end of the secondary plate respectively abut against the upper baffle plate and the lower baffle plate, and then the secondary plate is fixed on the upper baffle plate and the lower baffle plate in a welding mode.

Compared with the prior art, the utility model has the advantages of: 1. need not to bend through the curb plate, reduce the process that the curb plate was bent, guarantee the axiality of otic placode hole on two otic placodes at jacking crossbeam top simultaneously, the while processing is more convenient and fast.

Drawings

Fig. 1 is a front view of the present invention.

The device comprises a main board 1, a main board 2, an upper baffle plate 3, a lower baffle plate 4, side plates 4.1, an auxiliary board 5, ear plates 5.1, a fixing plate 5.2, a positioning bolt 5.3, a fixing rod 5.4, a fixing sleeve ring 5.5, a sliding sleeve ring 5.6, a linkage rod 5.7, a butting rod 5.8 and a locking assembly.

Detailed Description

The present invention will now be further elucidated with reference to the accompanying drawings.

As shown in figure 1, the jacking cross beam convenient for processing on the tower crane comprises a main board 1, an upper baffle 2, a lower baffle 3 and side plates 4, wherein the top and the bottom of the main board 1 are fixedly provided with the arc-shaped upper baffle 2 and the bent lower baffle 3 in a welding manner, the left side and the right side of the main board 1 are fixedly provided with the side plates 4 in a welding manner, the two ends above the side plates 4 are respectively contacted with the bottom of the upper baffle 2 and the top of the lower baffle 3, the top of the upper baffle 2 is fixedly provided with a plurality of groups of ear plates 5 in a welding manner, the plurality of groups of ear plates 5 are respectively fixed at the top of the left side, the middle and the right side of the upper baffle 2, the ear plates 5 of the two groups of ear plates 5 on the left side and the right side are coaxial, and are fixed between each group of ear plates 5 through a fixing plate 5.1 (namely, the fixing plate 5.1 is welded between the ear plates 5, the relative position of each group of ear plates 5 is fixed through the fixing plate 5.1, while ensuring strength between each ear plate 5); be fixed with the strengthening rib through the welded mode on mainboard 1 between 2 and the lower baffle 3 of overhead gage, strengthen mainboard 1's intensity through the strengthening rib, prevent that mainboard 1 atress from taking place deformation when the pressurized.

The positioning bolt 5.2 with the same size capable of being adjusted is inserted into the holes of the ear plates 5 of the left and right groups of ear plates 5, the relative position of the ear plates 5 on the left and right sides is limited according to the positioning bolt 5.2, the positioning bolt 5.2 comprises a fixed rod 5.3, a fixed lantern ring 5.4, a sliding lantern ring 5.5, a linkage rod 5.6 and a resisting rod 5.7, a plurality of resisting rods 5.7 are arranged around the fixed rod 5.3, two fixed lantern rings 5.4 and a sliding lantern ring 5.5 are sleeved on the fixed rod 5.3, the linkage rod 5.6 is connected between the fixed lantern ring 5.4 and each resisting rod 5.7 in a hinged mode, the sliding lantern ring 5.5 and each resisting rod are also connected with the linkage rod 5.6 in a hinged mode, a locking component 5.8 is arranged on the sliding lantern ring 5.5 (the locking component 5.8 is a bolt, the bolt penetrates through the sliding lantern ring 5.5 to be abutted against the fixed rod 5.3), the locking component 5.8 is used for locking the sliding lantern ring 5.5, thus the coaxial ear plates 5 are conveniently ensured, the spacing between 5.7 and the dead lever 5.3 of adjusting is realized adjusting through sliding sleeve's demarcation, is applicable to 5 holes of otic placode of equidimension not like this and carries out the location of otic placode 5, and the wide of practicality is relatively, and 5 hole axialities of otic placode on the otic placode 5 that such jacking crossbeam was processed are than higher, guarantee the axialities requirement in 5 holes of otic placode on the otic placode 5 like this.

Be fixed with subplate 4.1 through the welded mode on the mainboard 1 of every curb plate 4's inboard, subplate 4.1 is parallel with curb plate 4 and subplate 4.1 is located the medial surface of curb plate 4, the upper and lower both ends of subplate 4.1 support respectively on overhead gage 2 and lower baffle 3, then fix subplate 4.1 on overhead gage 2 and lower baffle 3 through the welded mode, guarantee the compression resistance degree of side through subplate 4.1, can prevent like this that the jacking crossbeam from taking place deformation in work.

Claims (3)

1. A jacking cross beam convenient to process on a tower crane comprises a main plate, an upper baffle, a lower baffle and side plates, wherein the top and the bottom of the main plate are fixedly provided with an arc-shaped upper baffle and a bent lower baffle in a welding mode; and reinforcing ribs are fixed on the main plate between the upper baffle plate and the lower baffle plate in a welding mode.

2. The jacking cross beam convenient to process on the tower crane as claimed in claim 1, wherein the same positioning bolt capable of adjusting the size is inserted into the ear plate holes of the left and right ear plates, the positioning bolt comprises a fixed rod, a fixed sleeve ring, a sliding sleeve ring, a linkage rod and a resisting rod, a plurality of resisting rods are arranged around the fixed rod, two fixed sleeve rings and two sliding sleeve rings are arranged on the fixed rod, the linkage rod is arranged between the fixed sleeve ring and each resisting rod, the linkage rod is also arranged between the sliding sleeve ring and each resisting rod, a locking assembly is arranged on the sliding sleeve ring, and the sliding sleeve ring is locked by the locking assembly, so that the ear plate holes on the ear plates are coaxial.

3. The jacking cross beam convenient to process on a tower crane according to claim 2, wherein an auxiliary plate is fixed on the main plate at the inner side of each side plate, the auxiliary plate is parallel to the side plates and is positioned on the inner side surfaces of the side plates, the upper end and the lower end of the auxiliary plate respectively abut against the upper baffle plate and the lower baffle plate, and then the auxiliary plate is fixed on the upper baffle plate and the lower baffle plate in a welding manner.

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