CN215479341U - Modular butt joint assembly structure of tower crane standard festival - Google Patents

Abstract

The utility model discloses a butt joint assembly structure of a combined tower crane standard knot, which is characterized by comprising a first half frame and a second half frame which are symmetrical, wherein a plurality of first connecting pieces and second connecting pieces which are matched with each other are respectively arranged on the first half frame and the second half frame; the offset directions of the connecting pieces on the first connecting piece are the same, and the offset directions of the connecting pieces on the second connecting piece are opposite to the offset directions of the connecting pieces on the first connecting piece. The utility model can realize the rapid assembly of the standard knot of the combined tower crane, and has the advantages of high assembly structure strength and good stability.

Description

Modular butt joint assembly structure of tower crane standard festival

Technical Field

The utility model relates to the technical field of tower crane standard knots, in particular to a butt joint assembly structure of a combined tower crane standard knot.

Background

The tower crane standard knot is the most critical stressed structural component on the tower crane, and generally comprises: a frame, a safety ladder, and a platform. The frame comprises horizontal web member, oblique web member and main chord member, the both ends of emergency ladder are fixed respectively in the frame, the landing slab welding is on the horizontal web member of the lower part of frame. Wherein, each part of tower crane standard festival is angle steel, square tube or detain the side etc. generally. The specifications of common tower crane standard sections are as follows: 1.6X 2.8 m, 1.6X 3.0 m, 1.8X 2.8 m, 2X 3 m, 2.3X 6 m and the like.

In the prior art, the tower crane standard knot is divided into an integral standard knot and a sheet type standard knot according to whether the tower crane standard knot can be split or not. The utility model discloses an integral standard festival of tower machine of taking emergency ladder is disclosed as a chinese utility model patent that publication number is CN211034976U, including standard festival, emergency ladder, landing slab, the both ends of emergency ladder are fixed respectively in the standard festival to the emergency ladder is put to one side, and the both sides of emergency ladder respectively have a landing slab, the landing slab welding is on the lower part web member of standard festival. The utility model discloses a can when the installation through the coupling mechanism of every main chord upper and lower both sides mutually support the connection, can obtain guaranteeing in structural strength the integral standard festival that the patent provided. However, the tower crane is of an integral structure, has a large volume, is troublesome to transport, can only transport a plurality of standard sections at a time, and is extremely easy to extrude in the transportation process, so that the standard sections are deformed, the tower crane cannot be installed and molded, and even the integral structural strength of the tower crane is damaged.

For another example, a chinese utility model with publication No. CN201031113Y discloses a plate-type standard joint for a tower crane, which is composed of four independent L-shaped rigid frames, and the four L-shaped rigid frames are connected together by a hinged hole bolt to form a standard joint; each L-shaped rigid frame consists of a main limb, connecting sleeves fixedly arranged at the upper end and the lower end of the main limb, oblique web members, horizontal web members, connecting plates and vertical rods, wherein the main limb is fixedly connected with at least one horizontal web member and at least one oblique web member, one ends of the horizontal web members and the oblique web members, which are not connected with the main limb, are provided with the connecting plates, and the connecting plates are connected with the connecting plates at the corresponding positions of the main limbs of the other L-shaped rigid frame through hinged hole bolts. After the chip type standard knot structure is adopted, although the occupied volume is small during transportation, the extrusion deformation is still easy to occur during transportation due to the fact that each chip type piece is similar to a flat plate structure, and the subsequent assembly of the chip type standard knot structure into the standard knot is complex in time and labor, and the process is complex.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a butt joint assembly structure of a combined tower crane standard knot, which is convenient and quick to assemble.

In order to achieve the purpose, the utility model adopts the following technical scheme.

A butt joint assembly structure of a combined tower crane standard knot is characterized by comprising a first half frame and a second half frame which are symmetrical, wherein the first half frame is provided with a plurality of first connecting pieces, and the second half frame is provided with a plurality of second connecting pieces matched with the first connecting pieces; the first connecting piece and the second connecting piece respectively comprise a fixing part and a connecting part, and the connecting part protrudes from the fixing part and is deviated towards one side; the offset directions of the connecting pieces on the first connecting piece are the same, and the offset directions of the connecting pieces on the second connecting piece are opposite to the offset directions of the connecting pieces on the first connecting piece.

More preferably, the first half frame includes: first main chord member, first horizontal web member and first oblique web member, the quantity of first main chord member is two between the first main chord member and two same one side of first main chord member all is connected with first horizontal web member with first oblique web member the lateral part of first main chord member first horizontal web member with keeping away from of first oblique web member and serving and be fixed with first montant, first connecting piece is installed on the first montant.

More preferably, the second half frame includes: second main chord, the horizontal web member of second and the oblique web member of second, the quantity of second main chord is two between the second main chord and two the same one side of second main chord all is connected with the horizontal web member of second with the oblique web member of second the lateral part of second main chord the horizontal web member of second with keeping away from of the oblique web member of second is served and is fixed with the second montant, the second connecting piece sets up on the second montant.

More preferably, each connecting part is provided with a plurality of connecting holes; and connecting and fixing the first connecting piece and the second connecting piece by using bolts penetrating through the mutually matched connecting holes.

More preferably, the first connecting member has three positions, and the three positions are respectively arranged in the middle and at two ends of the first vertical rod.

More preferably, each of the fixing portions serves as a transition piece, and the end portions of the first cross web member, the first diagonal web member, and the first vertical bar are connected to the fixing portions.

More preferably, the second connecting member has three positions, and the three positions are respectively arranged at the middle part and two ends of the second vertical rod.

More preferably, each of the fixing portions serves as a transition piece, and the ends of the second cross web member, the second diagonal web member, and the second vertical member are connected to the fixing portions.

More preferably, an inclined safety ladder is arranged in one of the first half frame and the second half frame, a platform screen is arranged at the bottom of the frame body, and a tool box is mounted on the platform screen.

More preferably, the step of the safety ladder is a flat step.

The utility model has the beneficial effects that: the connecting pieces on the first half frame and the second half frame are symmetrical, and are both outwards protruded and offset towards one side, and the offset directions are opposite. Like this, when hoisting half frame and another half frame and assembling, can directly misplace and draw close, can not lead to the connecting piece on another half frame to aim at the embedding because the interval between the connecting piece of both sides is limited, therefore make the convenient assembling of two half frames. In addition, by arranging a plurality of groups of connecting pieces, after the connecting pieces are assembled in place, the connecting pieces are locked and fixed through bolts, so that the connecting strength is high, and the safety is good.

Drawings

Fig. 1 is a schematic view showing the butt joint assembly of the standard knot of the combined tower crane provided by the utility model.

Fig. 2 is a schematic structural diagram of an assembled combined tower crane standard knot.

Fig. 3 is a schematic structural diagram of the first half frame.

Reference numerals indicate the same.

1: first half frame, 2: second half frame, 3: safety ladder, 4: platform screen, 5: tool box, 6: and a reinforcing connecting rod.

1-1: first main chord, 1-2: first cross web member, 1-3: first diagonal web member, 1-4: a first vertical bar, 1-5: a first connecting member.

2-1: second main chord, 2-2: second cross web member, 2-3: second diagonal web member, 2-4: a second vertical bar, 2-5: a second connecting member.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the feature, and in the description of the utility model, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following describes the embodiments of the present invention with reference to the drawings of the specification, so that the technical solutions and the advantages thereof are more clear and clear. The embodiments described below are exemplary and are intended to be illustrative of the utility model, but are not to be construed as limiting the utility model.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

As shown in fig. 1 and 2, a butt joint assembly structure of a combined tower crane standard knot comprises a first half frame 1 and a second half frame 2 which are symmetrical, wherein the first half frame 1 and the second half frame 2 are respectively provided with a plurality of first connecting pieces and second connecting pieces which are matched with each other, the first connecting pieces and the second connecting pieces respectively comprise fixing parts and connecting parts, and the connecting parts protrude from the fixing parts and are deviated towards one side; the offset directions of the connecting pieces on the first connecting piece are the same, and the offset directions of the connecting pieces on the second connecting piece are opposite to the offset directions of the connecting pieces on the first connecting piece.

Here, the connecting pieces on the symmetrical first half frame 1 and the second half frame 2 are both outwards protruded and shifted to one side, and the shifting directions are opposite. Like this, when hoisting half frame and another half frame and assembling, can directly misplace and draw close, can not lead to the connecting piece on another half frame to aim at the embedding because the interval between the connecting piece of both sides is limited, therefore make the convenient assembling of two half frames.

Wherein the first half frame 1 includes: first main chord 1-1, first horizontal web member 1-2 and first oblique web member 1-3, first main chord 1-1's quantity is two between first main chord 1-1 and two first main chord 1-1 all is connected with one side first horizontal web member 1-2 with first oblique web member 1-3 the lateral part of first main chord 1-1, first horizontal web member 1-2 with first oblique web member 1-3 keeps away from to serve and is fixed with first montant 1-4 be equipped with on the first montant 1-4 first connecting piece 1-5.

The second half frame 2 includes: second main chord 2-1, second horizontal web member 2-2 and the oblique web member 2-3 of second, second main chord 2-1's quantity is two between second main chord 2-1 and two same one side of second main chord 2-1 all is connected with second horizontal web member 2-2 with the oblique web member 2-3 of second the lateral part of second main chord 2-1, second horizontal web member 2-2 with keeping away from of second oblique web member 2-3 is served and is fixed with second montant 2-4 be equipped with on the second montant 2-4 second connecting piece 2-5.

When the first half frame 1 and the second half frame 2 are assembled into the tower crane standard section, the first vertical rods 1-4 and the second vertical rods 2-4 lean against each other, when the two vertical rods lean against each other, the two fixing parts are aligned, and the two connecting parts protrude from different sides of the two fixing parts, so that the two connecting parts can be in dislocation fit to enable the connecting holes on the two connecting parts to be matched with each other. And finally, the first connecting piece 1-5 and the second connecting piece 2-5 are connected and fixed by bolts penetrating through the mutually matched connecting holes, so that the assembly and the disassembly are very convenient.

Referring to fig. 3, the first connecting members 1-5 of the first vertical rods 1-4 are arranged at three positions, respectively, in the middle and at two ends of the first vertical rods 1-4. In this embodiment, the first vertical rod 1-4 is a two-section vertical rod welded to the first connecting member 1-5 located in the middle. The first cross web members 1-2 positioned on one side of the first main chord 1-1 comprise three parts, namely an upper part, a middle part and a lower part, and are respectively connected between the fixing parts of the first connecting pieces 1-5 at the three positions and the first main chord 1-1; the first diagonal web members 1-3 positioned on one side of the first main chord 1-1 are connected between the fixing part of the first connecting member 1-5 positioned in the middle and the first main chord 1-1.

Similarly, the second connecting members 2-5 of the second vertical rods 2-4 are provided with three positions respectively arranged at the middle part and two ends of the second vertical rods 2-4 so as to correspond to the first connecting members 1-5 during assembly. In this embodiment, the second vertical rod 2-4 is a two-section vertical rod welded to the second connecting member 2-5 located in the middle. The second cross web members 2-2 positioned on one side of the second main chord 2-1 comprise three parts, namely an upper part, a middle part and a lower part, and are respectively connected between the fixing parts of the second connecting pieces 2-5 at the three positions and the second main chord 2-1; the second cross web member 2-2 positioned in the middle is connected between the fixing part of the second connecting piece 2-5 positioned in the middle and the second main chord 2-1; the second diagonal web member 2-3 positioned on one side of the second main chord 2-1 is connected between the fixing part of the second connecting member 2-5 positioned in the middle and the second main chord 2-1.

Therefore, after the first half frame 1 and the second half frame 2 are assembled together, the first half frame and the second half frame can be fixedly connected through three groups of connecting pieces, and the connecting strength is high and the safety is good. In addition, in this embodiment, each fixed part still plays transitional coupling's effect, can further strengthen the structural strength of montant, horizontal web member, diagonal web member, improves the anti extrusion performance of standard festival, and overall stability is good, and then effectively improves the security and the reliability of tower machine.

In this embodiment, the deformation of the fixing portion is not limited to a semicircular piece, and the deformation of the connecting portion is not limited to a rectangular piece. The shape of the fixing part and the connecting part can be appropriately changed by those skilled in the art according to different actual needs, such as being changed into a semi-ellipse, an arc, a rectangle, a square and the like; the present embodiment is not limited.

Referring to fig. 3, an inclined safety ladder 3 is arranged in the first half frame 1, two ends of the safety ladder 3 are respectively fixed in the standard joints, and pedals of the safety ladder 3 are flat and convenient to step. The bottom of the first half frame 1 is provided with a platform screen plate 4, and a tool box 5 is installed on the platform screen plate 4, so that the climbing personnel can have a rest and maintain in the midway.

The butt joint assembly structure of modular tower crane standard festival that this embodiment provided, its actual assembly step is as follows: 1) laying one of the first half frame and the second half frame horizontally with an opening facing upwards, 2) lifting the other of the first half frame and the second half frame with the opening facing downwards; 3) and aligning the first half frame and the second half frame, and then screwing the bolt and locking the connecting piece to obtain a complete frame body.

In the assembling process, the connecting pieces on the first half frame and the second half frame are both outwards protruded and offset to one side, and the offset directions are opposite. Therefore, when one half frame and the other half frame are lifted for assembly, the half frames can be directly drawn together in a staggered mode, the connecting pieces on the other half frame cannot be aligned and embedded easily due to the fact that the distance between the connecting pieces on the two sides is limited, and assembly is convenient.

It should be noted that, in the assembly process, after the step 3), a step 4) may be added by those skilled in the art according to different actual needs, that is, the assembled tower crane standard knot is lifted and placed right, so that the main chord returns to the vertical position. In this embodiment, each hoisting operation is realized by a crane, and the screwing is manually performed. Of course, the hoisting action and the bolting action can be replaced by other automatic equipment which is known in the prior art or can be realized in the future, and the utility model is not limited to the embodiment.

It will be appreciated by those skilled in the art from the foregoing description of construction and principles that the utility model is not limited to the specific embodiments described above, and that modifications and substitutions based on the teachings of the art may be made without departing from the scope of the utility model as defined by the appended claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims (10)

1. A butt joint assembly structure of a combined tower crane standard knot is characterized by comprising a first half frame and a second half frame which are symmetrical, wherein the first half frame is provided with a plurality of first connecting pieces, and the second half frame is provided with a plurality of second connecting pieces matched with the first connecting pieces; the first connecting piece and the second connecting piece respectively comprise a fixing part and a connecting part, and the connecting part protrudes from the fixing part and is deviated towards one side; the offset directions of the connecting parts on the first connecting piece are the same, and the offset direction of the connecting parts on the second connecting piece is opposite to the offset direction of the connecting parts on the first connecting piece.

2. The butt joint assembly structure of the combined tower crane standard knot as claimed in claim 1, wherein the first half frame comprises: first main chord member, first horizontal web member and first oblique web member, the quantity of first main chord member is two between the first main chord member and two same one side of first main chord member all is connected with first horizontal web member with first oblique web member the lateral part of first main chord member first horizontal web member with keeping away from of first oblique web member and serving and be fixed with first montant, first connecting piece is installed on the first montant.

3. The butt joint assembly structure of the combined tower crane standard knot as claimed in claim 1, wherein the second half frame comprises: second main chord, the horizontal web member of second and the oblique web member of second, the quantity of second main chord is two between the second main chord and two the same one side of second main chord all is connected with the horizontal web member of second with the oblique web member of second the lateral part of second main chord the horizontal web member of second with keeping away from of the oblique web member of second is served and is fixed with the second montant, the second connecting piece sets up on the second montant.

4. The butt joint assembly structure of the combined tower crane standard knot according to claim 1, wherein a plurality of connecting holes are formed in each connecting part; and connecting and fixing the first connecting piece and the second connecting piece by using bolts penetrating through the mutually matched connecting holes.

5. The butt joint assembly structure of the combined tower crane standard knot as claimed in claim 2, wherein the first connecting member has three positions, and is respectively arranged in the middle and two ends of the first vertical rod.

6. The butt joint assembly structure of the modular tower crane standard knot as claimed in claim 5, wherein each of the fixing portions serves as a transition connection member, and the end portions of the first cross web member, the first diagonal web member, and the first vertical member are connected to the fixing portions.

7. The butt joint assembly structure of the combined tower crane standard knot as claimed in claim 3, wherein the second connecting member has three positions, and is respectively arranged at the middle part and two ends of the second vertical rod.

8. The butt joint assembly structure of the modular tower crane standard knot as claimed in claim 7, wherein each of the fixing portions serves as a transition piece, and the ends of the second cross web member, the second diagonal web member, and the second vertical member are connected to the fixing portions.

9. The butt joint assembly structure of the combined tower crane standard knot as claimed in claim 1, wherein an inclined safety ladder is arranged in one of the first half frame and the second half frame, a platform screen is arranged at the bottom of a frame body formed by the first half frame and the second half frame, and a tool box is arranged on the platform screen.

10. The butt joint assembly structure of the combined tower crane standard knot as claimed in claim 9, wherein the flat pedal of the safety ladder.

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