CN216038324U - Standard knot device and tower crane - Google Patents
Standard knot device and tower crane Download PDFInfo
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- CN216038324U CN216038324U CN202122262978.3U CN202122262978U CN216038324U CN 216038324 U CN216038324 U CN 216038324U CN 202122262978 U CN202122262978 U CN 202122262978U CN 216038324 U CN216038324 U CN 216038324U
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- main chord
- standard knot
- web member
- knot device
- mounting plate
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 13
- 230000007704 transition Effects 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- B66C23/16—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 with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model provides a standard knot device and a tower crane, wherein the standard knot device comprises a main chord, a connector and a first pin shaft assembly, the main chord is arranged into a hollow circular tube, two first pin holes are radially arranged at a first end in a penetrating manner, the connector is arranged at a second end of the main chord and is used for being inserted into the first end of the main chord of another adjacent standard knot device, a second pin hole used for communicating the two first pin holes is arranged on the connector, and the first pin shaft assembly is used for being arranged in the two first pin holes and the second pin hole in a penetrating manner so as to be connected with the two adjacent standard knot devices. By adopting the technical scheme of the utility model, the aerodynamic coefficient can be reduced, the typhoon resistance of the tower crane can be increased, the bolt loosening phenomenon can be avoided, and the aim of improving the safety of the tower crane can be achieved.
Description
Technical Field
The utility model belongs to the technical field of engineering machinery, and particularly relates to a standard knot device and a tower crane.
Background
The tower crane is a common hoisting device in construction engineering operation, and a tower body main body part of the tower crane is formed by stacking a section of standard section from bottom to top.
The main chord member of the standard festival on the existing market mainly adopts square steel pipe or angle steel, and the main chord member of these two kinds of forms all has that the aerodynamic coefficient is big, the big short slab of wind load, simultaneously, adopts high strength bolt to connect between the upper and lower standard festival, though the installation effectiveness is high, nevertheless appears becoming flexible easily, influences tower crane's security.
SUMMERY OF THE UTILITY MODEL
To at least partially solve the above problems in the prior art, it is an object of the present invention to provide a standard node device and a tower crane.
In order to achieve the above object, the present invention provides a standard knot device, wherein the standard knot device comprises: the main chord member, the connector and the first pin shaft assembly; the main chord is a hollow circular tube, and two first bolt holes are formed in the first end of the main chord in a radially penetrating manner; the connector is arranged at the second end of the main chord and is used for being inserted into the first end of the main chord of another adjacent standard knot device, and a second bolt hole used for communicating the two first bolt holes is formed in the connector; the first pin shaft assembly is used for penetrating through the two first pin holes and the second pin holes to connect the two adjacent standard knot devices.
In the embodiment of the utility model, the connector comprises a connector body and a shaft shoulder part arranged on the outer peripheral side of the connector body, two ends of the connector body are arranged to extend out of the shaft shoulder part, one end of the connector body is inserted into the first end of the main chord, the shaft shoulder part is welded with the second end of the main chord, and the other end of the connector body is provided with a second bolt hole.
In the embodiment of the utility model, a transition cavity is formed in the end surface of the connector body facing the second end of the main chord.
In an embodiment of the utility model, the cross-sectional area of the transition chamber decreases gradually in a direction along the end face towards the bottom wall of the transition chamber.
In the embodiment of the utility model, the second end of the main chord is radially provided with two third bolt holes in a penetrating manner, one end of the connecting head, which is far away from the second bolt holes, is inserted into the second end of the main chord, the connecting head is provided with fourth bolt holes communicated with the two third bolt holes, and the standard knot device further comprises a second pin shaft assembly which is arranged in the two third bolt holes and the fourth bolt holes in a penetrating manner.
In the embodiment of the utility model, the number of the second pin holes is two, and the two second pin holes are arranged at intervals along the height direction of the connector.
In the embodiment of the utility model, the number of the main chords is at least three, a first mounting plate is arranged on one side of the main chord adjacently arranged in front of each main chord, a web member assembly is arranged on one side of the main chord adjacently arranged in back, and the web member assembly on each main chord is detachably connected with the first mounting plate on the main chord adjacently arranged in back.
In the embodiment of the utility model, the web member assembly comprises a first diagonal web member, a second diagonal web member, a first horizontal web member, a second mounting plate and a first connecting member, the first horizontal web member is positioned between the first diagonal web member and the second diagonal web member, two ends of the first horizontal web member are respectively welded with the main chord member and the second mounting plate in a one-to-one correspondence manner, two ends of the first diagonal web member are respectively welded with the first end of the main chord member and the second mounting plate in a one-to-one correspondence manner, two ends of the second diagonal web member are respectively welded with the second end of the main chord member and the second mounting plate in a one-to-one correspondence manner, and the first connecting member sequentially penetrates through the second mounting plate and the first mounting plate on the next adjacent main chord member.
In an embodiment of the present invention, the web member assembly further includes a second horizontal web member disposed at the second end of the main chord and a fixing rod connecting the second horizontal web member and the second mounting plate.
In the embodiment of the utility model, one end of the web member assembly, which is far away from the first mounting plate, is detachably connected with the main chord member.
In order to achieve the above object, the present invention also provides a tower crane, wherein the tower crane comprises the standard knot device according to the above.
Through the technical scheme, the standard knot device provided by the embodiment of the utility model has the following beneficial effects:
the standard knot device comprises a main chord, a connector and a first pin shaft assembly, wherein the main chord is arranged into a hollow round pipe and is provided with two first pin holes at a first end in a radially penetrating manner, the connector is arranged at a second end of the main chord and is used for being inserted into a first end of the main chord of another standard knot device which is adjacently arranged, the connector is provided with a second pin hole for communicating the two first pin holes, the first pin shaft assembly is used for penetrating the two first pin holes and the second pin hole to connect the two standard knot devices which are adjacently arranged, namely, the main chord in the standard knot device can be arranged into the hollow round pipe, the main chord made of the hollow round pipe is small in aerodynamic coefficient compared with the main chord made of a square steel pipe or an angle steel in the prior art, the wind load is small, so that the typhoon resistance of the tower crane is improved, and meanwhile, the second end of the main chord can be provided with the connector for being inserted into the first end of the main chord of another standard knot device which is adjacently arranged And the connector is connected with the main chord of another standard knot device through the first pin shaft assembly, so that the connecting mode that the upper standard knot device and the lower standard knot device are connected by adopting high-strength bolts in the prior art can be replaced, the phenomenon of loosening of the bolts is avoided, and the purpose of improving the safety of the tower crane is achieved.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide an understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a schematic diagram of a standard knot device in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of a main chord and a connector according to an embodiment of the present invention;
FIG. 3 is another schematic structural view of a main chord and a connector according to an embodiment of the present invention;
FIG. 4 is a further schematic structural view of a main chord and a connector according to an embodiment of the present invention;
FIG. 5 is a schematic view of another embodiment of a main chord and a connector according to the present invention;
FIG. 6 is another schematic diagram of a standard knot device in accordance with an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view taken along the line A in FIG. 6;
FIG. 8 is a further schematic diagram of a standard knot device in accordance with an embodiment of the present invention;
fig. 9 is a schematic view of the cross-sectional structure in the direction B in fig. 8.
Description of the reference numerals
1 main chord 11 reinforcing plate
2 connector 21 connector body
22 shaft shoulder 23 second bolt hole
24 transition cavity 25 fourth bolt hole
26 weld 3 first Pin Assembly
4 second pin shaft component 5 first mounting plate
6 first diagonal web member of web member assembly 61
62 second diagonal web member 63 first horizontal web member
64 second horizontal web member 65 second mounting plate
66 first connecting part 67 second connecting part
68 fixing rod
Detailed Description
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative and explanatory of the utility model and are not restrictive thereof.
The standard node apparatus according to the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1, in an embodiment of the present invention, a standard knot device is provided, wherein the standard knot device includes:
the main chord 1 is a hollow circular tube, and two first bolt holes are formed in the first end of the main chord in a radially penetrating manner;
the connector 2 is arranged at the second end of the main chord 1 and is used for being inserted into the first end of the main chord 1 of another adjacent standard knot device, and a second bolt hole 23 used for communicating the two first bolt holes is formed in the connector 2;
and the first pin shaft assembly 3 is used for penetrating through the two first pin hole and the second pin hole 23 so as to connect the two adjacent standard knot devices.
In the embodiment of the utility model, the main chord 1 in the standard knot device can be set to be a hollow circular tube, the main chord 1 made of the hollow circular tube has a lower aerodynamic coefficient and a lower wind load compared with the main chord 1 made of square steel tubes or angle steel in the prior art, so that the typhoon resistance of the tower crane is improved, meanwhile, the second end of the main chord 1 can be provided with the connector 2 for being inserted into the first end of the main chord 1 of another adjacent standard knot device, and the connector 2 is connected with the main chord 1 of another standard knot device through the first pin shaft assembly 3, so that a connection mode that an upper standard knot device and a lower standard knot device in the prior art are connected through a high-strength bolt can be replaced, the phenomenon of bolt loosening is avoided, and the purpose of improving the safety of the tower crane is achieved.
Specifically, the connector 2 may be disposed at the upper end or the lower end of the main chord 1, that is, if the connector 2 is disposed at the upper end of the main chord 1, the connector 2 may be inserted into the lower end of the main chord 1 of the standard knot device above; if the connector 2 is arranged at the lower end of the main chord 1, the connector 2 can be inserted into the upper end of the main chord 1 of the standard knot device below.
Referring to fig. 1 and 2, in the embodiment of the present invention, the connector 2 includes a connector body 21 and a shaft shoulder 22 disposed on an outer peripheral side of the connector body 21, both ends of the connector body 21 are disposed to extend out of the shaft shoulder 22, one end of the connector body 21 is inserted into a first end of the main chord 1, the shaft shoulder 22 is welded to a second end of the main chord 1, and a second pin hole 23 is disposed at the other end of the connector body 21. That is, the connector 2 in one standard knot device is inserted into the main chord 1 by one end, then the shaft shoulder 22 and the end face of the main chord 1 are welded to form a weld 26, and meanwhile, the other end of the connector 2 can be inserted into the main chord 1 of another standard knot device to be detachably connected, so that the main chord 1 and the connector 2 of one standard knot device are integrated, and transportation and assembly are facilitated.
Specifically, the outer diameter of the connector body 21 may be adapted to the inner diameter of the main chord 1, and the outer diameter of the shoulder 22 may be adapted to the outer diameter of the main chord 1. In addition, the length of the end of the connector body 21 inserted into the main chord 1 for welding connection is smaller than the length of the end of the connector body 21 inserted into the main chord 1 of another standard knot device for detachable connection.
In the embodiment of the present invention, a transition cavity 24 extending to the shaft shoulder 22 is opened on an end surface of the connector body 21 facing the second end of the main chord 1. Namely, the transition cavity 24 is communicated with the inner cavity of the main chord 1, and the transition cavity 24 can avoid the sudden change of the section area of the standard knot device in the vertical position. Specifically, the cross-sectional area of the transition cavity 24 gradually decreases in a direction along the end face toward the bottom wall of the transition cavity 24.
Referring to fig. 1 and 3, in the embodiment of the present invention, two third pin holes are radially formed through the second end of the main chord 1, one end of the connector 2, which is far away from the second pin hole 23, is inserted into the second end of the main chord 1, a fourth pin hole 25 communicating the two third pin holes is formed in the connector 2, and the standard knot device further includes a second pin assembly 4 passing through the two third pin holes and the fourth pin hole 25. That is, the second pin assembly 4 sequentially passes through one of the third pin holes on the main chord 1, the fourth pin hole 25 on the connector 2 and the other third pin hole on the main chord 1, and then the connector 2 can be detachably mounted on the main chord 1 through the second pin assembly 4 in a standard joint device.
Specifically, the number of the fourth pin holes 25 may be two, two fourth pin holes 25 are disposed at intervals in the height direction of the connector 2, and the two fourth pin holes 25 may be disposed in parallel or in a crisscross manner, so that two sets of third pin holes and two second pin assemblies 4 are disposed correspondingly, and there are two third pin holes in each set of third pin holes.
As shown in fig. 4 and 5, in the embodiment of the present invention, the number of the second latch holes 23 may be two, and the two second latch holes 23 are spaced apart in the height direction of the connection head 2. The needs that correspond promptly set up two sets of first bolt holes and two first round pin axle subassemblies 3, have two first bolt holes in the first bolt hole of every group of course to can connect the main chord 1 of two upper and lower standard festival devices through two first round pin axle subassemblies 3, with the steadiness of improving the connection. Specifically, the two second pin holes 23 may be arranged in parallel, or may be arranged in a crisscross manner.
As shown in fig. 6 to 9, in the embodiment of the present invention, the number of the main chords 1 is at least three, a first mounting plate 5 is provided on a side of each main chord 1 facing a front adjacently disposed main chord 1, and a web member 6 is provided on a side of each main chord 1 facing a rear adjacently disposed main chord 1, and the web member 6 on each main chord 1 is detachably connected to the first mounting plate 5 on the rear adjacently disposed main chord 1. Namely, the standard joint device in the embodiment of the utility model is not integrally welded and can be disassembled for transportation, thereby being beneficial to the transportation of the standard joint device.
As shown in fig. 6 and 7, in the embodiment of the present invention, the web member assembly 6 includes a first diagonal web member 61, a second diagonal web member 62, a first horizontal web member 63, a second mounting plate 65, and a first connecting member 66, the first horizontal web member 63 is located between the first diagonal web member 61 and the second diagonal web member 62, two ends of the first horizontal web member 63 are respectively welded to the main chords 1 and the second mounting plates 65 in a one-to-one correspondence manner, two ends of the first diagonal web member 61 are respectively welded to the first ends of the main chords 1 and the second mounting plates 65 in a one-to-one correspondence manner, two ends of the second diagonal web member 62 are respectively welded to the second ends of the main chords 1 and the second mounting plates 65 in a one-to-one correspondence manner, and the first connecting member 66 sequentially passes through the second mounting plate 65 and the first mounting plate 5 on the next adjacently disposed main chord 1. That is, one end of each of the first diagonal web member 61, the second diagonal web member 62 and the first horizontal web member 63 is welded to the main chord member 1, and the other end is welded to the second mounting plate 65, so that the main chord member 1 in a standard joint device can be welded to the first diagonal web member 61 in the web member assembly 6, the second diagonal web member 62, the first horizontal web member 63 and the second mounting plate 65 to form an integral structure, thereby realizing sheet transportation of the standard joint device, and the second mounting plate 65 and the first mounting plate 5 can be detachably connected through the first connecting member 66, thereby improving the dismounting efficiency.
Specifically, the first horizontal web member 63 extends in the horizontal direction, and if the first end of the main chord 1 is the lower end of the main chord 1, the first diagonal web member 61 extends obliquely upward, and the second diagonal web member 62 extends obliquely downward. Simultaneously, first mounting panel 5 and second mounting panel 65 all can be located main chord 1 along the intermediate position of direction of height, be when connecting first mounting panel 5 and second mounting panel 65 promptly, first mounting panel 5 and the coincidence of second mounting panel 65 set up, first connecting hole has been seted up on first mounting panel 5, the second connecting hole has been seted up to second mounting panel 65 corresponding first connecting hole, first connecting piece 66 passes first connecting hole on first mounting panel 5 and the second connecting hole on the second mounting panel 65 in proper order, and can dismantle first mounting panel 5 and second mounting panel 65 and connect. In addition, the number of the first connecting pieces 66 may be at least two, the first mounting plate 5 and the second mounting plate 65 are correspondingly provided with the first connecting holes and the second connecting holes, the number of which is the same as that of the first connecting pieces 66, and the first connecting pieces 66 may be in a bolt-nut structure or a pin shaft connecting structure.
In the embodiment of the present invention, the web member assembly 6 further includes a second horizontal web member 64 provided at the second end of the main chord 1 and a fixing rod 68 connecting the second horizontal web member 64 and the second mounting plate 65. The first horizontal web member 63 is arranged in the middle of the main chord 1, and then a second horizontal web member 64 is arranged at one end of the main chord 1 to further strengthen the standard knot device, and meanwhile, a fixing rod 68 is arranged between the second horizontal web member 64 and the second mounting plate 65, so that the second horizontal web member 64 can be prevented from being deviated in the transportation process.
Specifically, one end of the fixing rod 68 is welded to one end of the second horizontal web member 64 away from the main chord 1, the other end of the fixing rod 68 is welded to the second mounting plate 65, and a third connecting hole connected to the other main chord 1 is formed at the joint of the second horizontal web member 64 and the fixing rod 68.
In the embodiment of the present invention, as shown in fig. 8 and 9, the end of the web member assembly 6 remote from the first mounting plate 5 is detachably connected to the main chord 1. Specifically, the web member assembly 6 includes a first diagonal web member 61, a second diagonal web member 62, a first horizontal web member 63 and a second connecting member 67, the first horizontal web member 63 is extended along the horizontal direction, if the first end of the main chord 1 is the lower end of the main chord 1, the first diagonal web member 61 extends upward along the inclination, the second diagonal web member 62 extends downward along the inclination, the first mounting plate 5 can be disposed at the middle position of the main chord 1 along the height direction, the two ends of the first horizontal web member 63 can be detachably connected with the main chord 1 and the first mounting plate 5 through the second connecting member 67, the two ends of the first diagonal web member 61 can be detachably connected with the main chord 1 and the first mounting plate 5 through the second connecting member 67, the two ends of the second diagonal web member 62 can be detachably connected with the main chord 1 and the first mounting plate 5 through the second connecting member 67, so that the rod type transportation can be realized in the transportation process of the whole standard knot device. Of course, in the embodiment of the present invention, the web member assembly 6 may further include a second horizontal web member 64, and two ends of the second horizontal web member 64 are respectively detachably connected to the second ends of two adjacent main chords 1 in a one-to-one correspondence.
In addition, the number of the first mounting plates 5 may be two, two first mounting plates 5 may be disposed on the main chord 1 at a relative interval, the number of the second connecting members 67 is three, the first second connecting member 67 is disposed to pass through one of the first mounting plates 5, the first diagonal web member 61, and the other first mounting plate 5 in order, the second connecting member 67 is disposed to pass through one of the first mounting plates 5, the second diagonal web member 62, and the other first mounting plate 5 in order, and the third second connecting member 67 is disposed to pass through one of the first mounting plates 5, the first horizontal web member 63, and the other first mounting plate 5 in order. More specifically, the second connector 67 may have a bolt and nut structure or a pin connection structure.
Referring to fig. 1 again, in the embodiment of the present invention, a reinforcing plate 11 is further disposed on the outer peripheral side of the main chord 1 corresponding to the first connecting hole and the second connecting hole.
As shown in fig. 1 and 3, in the embodiment of the present invention, each of the first pin assembly 3 and the second pin assembly 4 includes a pin body and a stopper penetrating through the pin body.
In order to achieve the above object, the present invention also provides a tower crane, wherein the tower crane comprises the standard knot device according to the above. Since all the technical solutions of the above embodiments are adopted for the tower crane, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and are not described in detail herein.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (11)
1. A standard knot device, comprising:
the main chord (1) is a hollow circular tube, and two first bolt holes are formed in the first end of the main chord in a radially penetrating manner;
the connector (2) is arranged at the second end of the main chord (1) and is used for being inserted into the first end of the main chord (1) of another adjacent standard knot device, and a second bolt hole (23) used for communicating the two first bolt holes is formed in the connector (2); and
and the first pin shaft assembly (3) is used for penetrating through the two first pin hole and the second pin hole (23) so as to connect the two adjacent standard knot devices.
2. The standard knot device of claim 1, wherein the connector (2) comprises a connector body (21) and a shaft shoulder (22) arranged on the outer peripheral side of the connector body (21), both ends of the connector body (21) are arranged to extend out of the shaft shoulder (22), one end of the connector body (21) is inserted into the first end of the main chord (1), the shaft shoulder (22) is welded to the second end of the main chord (1), and the second pin hole (23) is formed in the other end of the connector body (21).
3. The standard knot device of claim 2, wherein a transition cavity (24) is formed in an end surface of the connector body (21) facing the second end of the main chord (1).
4. A standard knot device according to claim 3, characterised in that the cross-sectional area of the transition cavity (24) is gradually decreasing in a direction along the end face towards the bottom wall of the transition cavity (24).
5. The standard knot device of claim 1, wherein two third plug holes are radially formed through the second end of the main chord (1), one end of the connector (2) far away from the second plug holes (23) is inserted into the second end of the main chord (1), a fourth plug hole (25) communicated with the two third plug holes is formed in the connector (2), and the standard knot device further comprises a second pin assembly (4) which is arranged through the two third plug holes and the fourth plug hole (25).
6. Standard knot device according to any one of claims 1 to 5, characterized in that the number of second pin holes (23) is two, two second pin holes (23) being provided at intervals in the height direction of the connecting head (2).
7. Standard knot device according to any one of claims 1 to 5, characterized in that the number of main chords (1) is at least three, each main chord (1) being provided with a first mounting plate (5) facing the side of the main chord (1) adjacently arranged in the front and a web member (6) facing the side of the main chord (1) adjacently arranged in the rear, the web member (6) on each main chord (1) being detachably connected to the first mounting plate (5) on the main chord (1) adjacently arranged in the rear.
8. The standard knot device of claim 7, wherein the web member assembly (6) comprises a first diagonal web member (61), a second diagonal web member (62), a first horizontal web member (63), a second mounting plate (65) and a first connecting member (66), the first horizontal web member (63) is positioned between the first diagonal web member (61) and the second diagonal web member (62), two ends of the first horizontal web member (63) are welded with the main chord member (1) and the second mounting plate (65) in a one-to-one correspondence manner, two ends of the first diagonal web member (61) are welded with the first end of the main chord member (1) and the second mounting plate (65) in a one-to-one correspondence manner, two ends of the second diagonal web member (62) are welded with the second end of the main chord member (1) and the second mounting plate (65) in a one-to one correspondence manner, the first connecting member (66) sequentially passes through the second mounting plate (65) and the main chord member (65) which is adjacently positioned next to the second mounting plate (65), and the second connecting member (65) are positioned next to one The first mounting plate (5) on the chord (1).
9. The standard knot device of claim 8, wherein the web assembly (6) further comprises a second horizontal web (64) disposed at the second end of the main chord (1) and a securing rod (68) connecting the second horizontal web (64) and the second mounting plate (65).
10. Standard knot device according to claim 7, characterized in that the end of the web member assembly (6) remote from the first mounting plate (5) is detachably connected to the main chord (1).
11. A tower crane, characterized in that it comprises a standard knot device according to any one of claims 1 to 10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122262978.3U CN216038324U (en) | 2021-09-17 | 2021-09-17 | Standard knot device and tower crane |
| PCT/CN2022/099054 WO2023040383A1 (en) | 2021-09-17 | 2022-06-16 | Standard knot device and tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122262978.3U CN216038324U (en) | 2021-09-17 | 2021-09-17 | Standard knot device and tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216038324U true CN216038324U (en) | 2022-03-15 |
Family
ID=80537940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122262978.3U Active CN216038324U (en) | 2021-09-17 | 2021-09-17 | Standard knot device and tower crane |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN216038324U (en) |
| WO (1) | WO2023040383A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023040383A1 (en) * | 2021-09-17 | 2023-03-23 | 中联重科建筑起重机械有限责任公司 | Standard knot device and tower crane |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116143005B (en) * | 2023-04-20 | 2023-06-27 | 四川宏升重工机械有限公司 | Locking type tower crane frame and use method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011003316A1 (en) * | 2011-01-18 | 2012-07-19 | B & K Braun Gmbh | Traverse component, traverse and method for producing a truss component |
| CN204162323U (en) * | 2014-09-05 | 2015-02-18 | 海宁虎霸重工有限公司 | The standard knot of ruggedized construction |
| CN205346678U (en) * | 2015-07-29 | 2016-06-29 | 大连鹏翔建筑机械有限公司 | Tower crane standard festival connection structure |
| CN205500627U (en) * | 2016-01-14 | 2016-08-24 | 河北九通重工集团有限公司 | Tower machine standard festival convenient to transportation |
| CN207226868U (en) * | 2017-10-10 | 2018-04-13 | 深圳市君乐实业有限公司 | A kind of standard section of tower crane |
| CN211733671U (en) * | 2019-12-31 | 2020-10-23 | 申锡机械有限公司 | Bearing structure and hoisting equipment |
| CN213894984U (en) * | 2020-12-09 | 2021-08-06 | 通州建总集团有限公司 | Connecting mechanism for upper standard section and lower standard section of tower crane |
| CN216038324U (en) * | 2021-09-17 | 2022-03-15 | 中联重科建筑起重机械有限责任公司 | Standard knot device and tower crane |
-
2021
- 2021-09-17 CN CN202122262978.3U patent/CN216038324U/en active Active
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2022
- 2022-06-16 WO PCT/CN2022/099054 patent/WO2023040383A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023040383A1 (en) * | 2021-09-17 | 2023-03-23 | 中联重科建筑起重机械有限责任公司 | Standard knot device and tower crane |
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| WO2023040383A1 (en) | 2023-03-23 |
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