CN113493165A - Combined tower crane standard knot and assembling method thereof - Google Patents
Combined tower crane standard knot and assembling method thereof Download PDFInfo
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- CN113493165A CN113493165A CN202110833663.1A CN202110833663A CN113493165A CN 113493165 A CN113493165 A CN 113493165A CN 202110833663 A CN202110833663 A CN 202110833663A CN 113493165 A CN113493165 A CN 113493165A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
- F16B7/185—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements with a node element
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Abstract
The invention discloses a combined tower crane standard knot and an assembling method thereof, wherein the combined tower crane standard knot comprises a first half frame and a second half frame with openings on the side surfaces, and the first half frame and the second half frame are jointly spliced into a frame body of the tower crane standard knot; during specific assembly, the first half frame and the second half frame are fixedly connected through corresponding connecting pieces. Compared with the existing integral standard knot, the invention can effectively reduce the volume occupied by the standard knot during transportation, and the transportation volume of the standard knot can be reduced by about half by the crossed and staggered arrangement. Compared with the existing sheet type standard knot, the invention can simplify the subsequent assembly process and save time and labor during assembly. In addition, because the side of a half frame can play the supporting role to the ground of another half frame during transportation, therefore can effectively reduce half frame and take place the probability of extrusion deformation in the transportation to ensure the rigidity and the intensity of tower crane standard festival.
Description
Technical Field
The invention relates to the technical field of tower crane standard knots, in particular to a combined tower crane standard knot and an assembling method thereof.
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.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a combined type tower crane standard knot which is very convenient to transport and assemble and is not easy to extrude and deform in the transport process.
The invention also provides an assembling method based on the combined tower crane standard knot.
In order to achieve the purpose, the invention adopts the following technical scheme.
A combined tower crane standard knot is characterized by comprising a first half frame and a second half frame with side openings, wherein the first half frame and the second half frame are connected through the side openings and are jointly spliced into a frame body of the tower crane standard knot; during specific assembly, the first half frame and the second half frame are fixedly connected through corresponding connecting pieces.
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 is served and is fixed with first montant be equipped with first connecting piece 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 be equipped with the second connecting piece on the second montant.
When the first half frame and the second half frame are assembled into a frame body, the first vertical rod and the second vertical rod lean against each other, the first connecting piece and the second connecting piece are matched with each other, and then the first connecting piece and the second connecting piece are fixed together.
More preferably, each of the first connecting piece and the second connecting piece comprises a fixing portion and a connecting portion, the fixing portions are fixed to the corresponding vertical rods, the connecting portions protrude from the fixing portions, and each connecting portion is provided with a plurality of connecting holes; when the two vertical rods are close to 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 are in staggered fit; 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 piece on the first vertical rod is provided with three positions which are respectively arranged at the middle part and two ends of the first vertical rod; the second connecting pieces on the second vertical rod are also provided with three positions which are respectively arranged in the middle and two ends of the second vertical rod and are in one-to-one correspondence with the first connecting pieces.
More preferably, the first vertical rod is a two-section vertical rod welded to the first connecting piece located in the middle; the first cross web members positioned on one side of the first main chord member comprise three parts, namely an upper part, a middle part and a lower part, which are respectively connected between the fixing parts of the first connecting pieces at the three parts and the first main chord member; the first oblique web member positioned on one side of the first main chord member is connected between the fixing part of the first connecting piece positioned in the middle part and the first main chord member.
More preferably, the second vertical rod is a two-section vertical rod welded to the second connecting piece located in the middle; the second cross web members positioned on one side of the second main chord member comprise three upper, middle and lower cross web members which are respectively connected between the fixing parts of the second connecting pieces at three positions and the second main chord member; the second cross web member positioned in the middle is connected between the fixing part of the second connecting piece positioned in the middle and the second main chord member; the second oblique web member positioned on one side of the second main chord member is connected between the fixing part of the second connecting piece positioned on the middle part and the second main chord member.
More preferably, the first main chord is provided with a first transition piece, and the first cross web member and the first diagonal web member are connected with the first main chord through the corresponding first transition piece respectively.
And the second main chord is provided with a second transition piece, and the second transverse web member and the second oblique web member are respectively connected with the second main chord through the corresponding second transition piece.
More preferably, an inclined safety ladder is arranged in one of the first half frame and the second half frame, a platform screen plate is arranged at the bottom of the frame body, and a tool box is arranged on the platform screen plate; the flat pedal of the safety ladder is characterized in that the flat pedal is a pedal plate.
The assembling method of the combined tower crane standard knot is characterized in that the assembling method is used for splicing a first half frame and a second half frame with openings on the side surfaces into a frame body of the tower crane standard knot; the method comprises the following steps: 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.
More preferably, a plurality of connecting sheets which protrude outwards from the opening and are deviated to one side are arranged on the first half frame and the second half frame; the offset directions of the connecting pieces on the first half frame are the same, and the offset directions of the connecting pieces on the second half frame are opposite to the offset directions of the connecting pieces on the first half frame.
More preferably, the following steps are further provided after the step 3): 4) and lifting and righting the assembled tower crane standard knot.
The invention has the beneficial effects that: 1) with current integral standard festival, the volume that the standard festival occupies during can effectively reduce the transportation, through alternately misplacing the setting, the standard festival transportation volume can reduce about half. 2) Compared with the existing sheet type standard knot, the subsequent assembly process can be simplified, and time and labor are saved during assembly. In addition, because the side of a half frame can play the supporting role to the ground of another half frame during transportation, therefore can effectively reduce half frame and take place the probability of extrusion deformation in the transportation to ensure the rigidity and the intensity of tower crane standard festival.
Drawings
Fig. 1 is a schematic structural diagram of a combined tower crane standard knot provided by the invention.
Fig. 2 is an exploded view of the modular tower crane standard knot provided by the invention.
Fig. 3 is a schematic structural diagram of the first half frame.
Fig. 4 is a schematic structural diagram of the second half frame.
Fig. 5 is an assembly schematic diagram of the combined tower crane standard knot provided by the invention during transportation.
Fig. 6 is an assembly schematic diagram of the combined tower crane standard knot provided by the invention during transportation.
Fig. 7 is an overlay diagram of the combined tower crane standard knot provided by the invention during transportation.
Reference numerals indicate the same.
1: first half frame, 2: second half frame, 3: safety ladder, 4: platform screen, 5: tool box, 6: reinforcing connecting rod, 7: a buckling unit.
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: second connecting piece, 2-6: third vertical bar, 2-7: first transition piece, 2-8: a second transition piece.
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 invention, "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 invention, unless otherwise specified and 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 invention, but are not to be construed as limiting the invention.
Additional aspects and advantages of the invention 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 invention.
Example 1.
As shown in figures 1 and 2, the combined tower crane standard knot is characterized by comprising a first half frame 1 and a second half frame 2 with side openings, wherein the first half frame 1 and the second half frame 2 are spliced together to form a frame body of the tower crane standard knot. The benefits of this arrangement are: 1) with current integral standard festival, the volume that the standard festival occupies during can effectively reduce the transportation, through alternately misplacing the setting, the standard festival transportation volume can reduce about half. 2) Compared with the existing sheet type standard knot, the subsequent assembly process can be simplified, and time and labor are saved during assembly. In addition, because the side of a half frame can play the supporting role to the ground of another half frame during transportation, therefore can effectively reduce half frame and take place the probability of extrusion deformation in the transportation to ensure the rigidity and the intensity of tower crane standard festival.
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 first connecting piece 1-5 on the first montant 1-4.
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 the 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 second connecting piece 2-5 on the second montant 2-4.
When the first half frame 1 and the second half frame 2 are assembled into the tower crane standard knot, the first vertical rods 1-4 and the second vertical rods 2-4 lean against each other, so that the first connecting pieces 1-5 and the second connecting pieces 2-5 are matched with each other, and then the first connecting pieces 1-5 and the second connecting pieces 2-5 are fixed together, so that the assembly forming of the tower crane standard knot can be realized.
In this embodiment, each of the first connecting members 1 to 5 and the second connecting members 2 to 5 includes a fixing portion and a connecting portion, the fixing portion is fixed to a corresponding vertical rod, the connecting portion protrudes from the fixing portion, and each of the connecting portions is provided with a plurality of connecting holes. 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 in 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 connected and fixed through three connecting pieces, and the safety is good. Meanwhile, the first cross web members 1-2 and the second diagonal web members 1-3 which are positioned on the side surfaces of the first main chords 1-1, and the second cross web members 2-2 and the second diagonal web members 2-3 which are positioned on the side surfaces of the second main chords 2-1 form a structure shaped like a Chinese character 'mi', so that the structure is high in strength, and excellent in rigidity and stability. In addition, each fixed part plays the effect of transitional coupling, can further strengthen the structural strength of montant, horizontal web member, oblique 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.
It should be noted that the form of fixing the first half frame 1 and the second half frame 2 is not limited to the first connecting member and the second connecting member as illustrated above, and a single U-shaped connecting member, a slotted hole on the main chord, or other known connecting forms may be used instead.
Referring to fig. 4, a third vertical rod 2-6 parallel to the second main chord 2-1 is arranged between the two second main chords 2-1, and the second cross web members 2-2 between the two second main chords 2-1 comprise three upper, middle and lower cross web members; the third vertical rods 2-6, the second cross web members 2-2 positioned in the middle and the second inclined web members 2-3 positioned between the two second main chords 2-1 also form a structure shaped like a Chinese character 'mi'; and further improve the strength, rigidity and stability of the end face of the standard section of the whole tower crane.
In this embodiment, two ends of the third vertical rod 2-6 are respectively fixed to the two second cross web members 2-2 located at the upper part and the lower part, and the middle part of the third vertical rod 2-6 is fixed to the second cross web member 2-2 located at the middle part; a first transition piece 2-7 is arranged in the middle of the third vertical rod 1-6, a second transition piece 2-8 is arranged on the second main chord 2-1, and each second diagonal web member 2-3 between the two second main chords 2-1 is a two-section diagonal web member welded and fixed with the first transition piece 2-7 and the second transition piece 2-8.
Similarly, a fourth vertical rod parallel to the first main chords 1-1 is arranged between the first main chords 1-1, and the first cross web members 1-2 between the first main chords 1-1 comprise three upper, middle and lower cross web members. The specific connection structure between the fourth vertical bar, the two first main chords 1-1, and the corresponding first cross web members 1-2 and the first diagonal web members 1-3 is similar to that of the second half frame 2 shown in fig. 4, and is not described again here.
It should be noted that in this embodiment, the transitional connection at the welding point position is realized by arranging the first transition pieces 2 to 7 and the second transition pieces 2 to 8, so that the structural strength of the main chord member and the cross web member can be further enhanced, the anti-extrusion performance of the standard knot is improved, the overall stability is good, and the safety and reliability of the tower crane are further effectively improved.
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.
Referring to fig. 3 and 4, a reinforcing connecting rod 6 is further arranged between the first vertical rod 1-4 and the second vertical rod 2-4 and the corresponding first diagonal web member 1-3 and the second diagonal web member 2-3, so as to further enhance the rigidity and strength of the whole tower crane standard section.
In practical transportation of the combined tower crane standard knot provided by the invention, the first half frame 1 and the second half frame 2 are firstly rotated by 180 degrees relatively, as shown in fig. 5; then the two are fastened together in a staggered manner, as shown in fig. 6. In this way, about half of the transport space can be saved. Simultaneously, because the side of a half frame can play the supporting role to the ground of another half frame during the transportation, therefore can effectively reduce half frame and take place the probability of extrusion deformation in the transportation to ensure the rigidity and the intensity of tower crane standard festival. Of course, after the first half frame 1 and the second half frame 2 are fastened, a plurality of fastening units 7 may be stacked, as shown in fig. 7.
Example 2.
The assembling method of the combined tower crane standard knot is characterized in that the assembling method is carried out based on the combined tower crane standard knot according to the embodiment 1, and during assembling, the steps are 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.
And the connecting pieces on the first half frame and the second half frame are connecting pieces which protrude outwards and are deviated to one side. In this embodiment, the offset directions of the connecting pieces on the first half frame are the same, and the offset directions of the connecting pieces on the second half frame are opposite to the offset directions of the connecting pieces on the first half frame. The advantage that sets up like this is, when hoisting half frame and another half frame and assembling, can directly misplace and draw close, can not lead to the difficult embedding of aiming at of connection piece on another half frame because the interval between the connection piece of both sides is limited, convenient assembling.
It should be noted that, 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 invention 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 invention 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 invention 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 combined tower crane standard knot is characterized by comprising a first half frame and a second half frame with side openings, wherein the first half frame and the second half frame are connected through the side openings and are jointly spliced into a frame body of the tower crane standard knot; during specific assembly, the first half frame and the second half frame are fixedly connected through corresponding connecting pieces.
2. The modular tower crane standard knot of claim 1, wherein the first half-frame comprises: the first main chords are two, the first cross web members and the first oblique web members are connected between the two first main chords and at the same side of the two first main chords, first vertical rods are fixed at the side parts of the first main chords, the far ends of the first cross web members and the first oblique web members, and first connecting pieces are arranged on the first vertical rods;
the second half frame includes: the two main chords are connected with each other at the same side of the two main chords, a second transverse web member and a second oblique web member, a second vertical rod is fixed at the side part of the second main chord, the far end of the second transverse web member and the far end of the second oblique web member, and a second connecting piece is arranged on the second vertical rod;
when the first half frame and the second half frame are assembled into a frame body, the first vertical rod and the second vertical rod lean against each other, the first connecting piece and the second connecting piece are matched with each other, and then the first connecting piece and the second connecting piece are fixed together.
3. The combined tower crane standard knot according to claim 2, wherein the first connecting piece and the second connecting piece each comprise a fixing portion and a connecting portion, the fixing portion is fixed with the corresponding vertical rod, the connecting portion protrudes from the fixing portion, and each connecting portion is provided with a plurality of connecting holes;
when the two vertical rods are close to 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 are in staggered fit; and connecting and fixing the first connecting piece and the second connecting piece by using bolts penetrating through the mutually matched connecting holes.
4. The combined tower crane standard knot as claimed in claim 2, wherein the first connecting member on the first vertical rod is provided at three positions, respectively provided at the middle part and both ends of the first vertical rod;
the second connecting pieces on the second vertical rod are also provided with three positions which are respectively arranged in the middle and two ends of the second vertical rod and are in one-to-one correspondence with the first connecting pieces.
5. The combined tower crane standard knot as claimed in claim 4, wherein the first vertical rod is a two-segment vertical rod welded to the first connecting member at the middle portion; the first cross web members positioned on one side of the first main chord member comprise three parts, namely an upper part, a middle part and a lower part, which are respectively connected between the fixing parts of the first connecting pieces at the three parts and the first main chord member; the first inclined web member positioned on one side of the first main chord member is connected between the fixing part of the first connecting piece positioned in the middle and the first main chord member;
the second vertical rod is a two-section vertical rod welded with the second connecting piece in the middle; the second cross web members positioned on one side of the second main chord member comprise three upper, middle and lower cross web members which are respectively connected between the fixing parts of the second connecting pieces at three positions and the second main chord member; the second cross web member positioned in the middle is connected between the fixing part of the second connecting piece positioned in the middle and the second main chord member; the second oblique web member positioned on one side of the second main chord member is connected between the fixing part of the second connecting piece positioned on the middle part and the second main chord member.
6. The combined tower crane standard knot according to claim 2, wherein a first transition piece is arranged on the first main chord member, and the first cross web member and the first diagonal web member are respectively connected with the first main chord member through the corresponding first transition piece;
and the second main chord is provided with a second transition piece, and the second transverse web member and the second oblique web member are respectively connected with the second main chord through the corresponding second transition piece.
7. 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 plate is arranged at the bottom of the frame body, and a tool box is arranged on the platform screen plate; the flat pedal of the safety ladder is characterized in that the flat pedal is a pedal plate.
8. The assembling method of the combined tower crane standard knot is characterized in that the assembling method is used for splicing a first half frame and a second half frame with openings on the side surfaces into a frame body of the tower crane standard knot; the method comprises the following steps: 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.
9. The assembling method of the combined tower crane standard knot as claimed in claim 8, wherein a plurality of connecting pieces which protrude outwards from the opening and are offset to one side are arranged on the first half frame and the second half frame; the offset directions of the connecting pieces on the first half frame are the same, and the offset directions of the connecting pieces on the second half frame are opposite to the offset directions of the connecting pieces on the first half frame.
10. The assembling method of the combined tower crane standard knot according to claim 8, wherein the following steps are further provided after the step 3): 4) and lifting and righting the assembled tower crane standard knot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833663.1A CN113493165A (en) | 2021-07-22 | 2021-07-22 | Combined tower crane standard knot and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833663.1A CN113493165A (en) | 2021-07-22 | 2021-07-22 | Combined tower crane standard knot and assembling method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113493165A true CN113493165A (en) | 2021-10-12 |
Family
ID=77996396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110833663.1A Withdrawn CN113493165A (en) | 2021-07-22 | 2021-07-22 | Combined tower crane standard knot and assembling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113493165A (en) |
-
2021
- 2021-07-22 CN CN202110833663.1A patent/CN113493165A/en not_active Withdrawn
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