CN218708778U - Triangular structure frame device applied to swing arm tower crane - Google Patents
Triangular structure frame device applied to swing arm tower crane Download PDFInfo
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- CN218708778U CN218708778U CN202222937201.7U CN202222937201U CN218708778U CN 218708778 U CN218708778 U CN 218708778U CN 202222937201 U CN202222937201 U CN 202222937201U CN 218708778 U CN218708778 U CN 218708778U
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Abstract
The utility model aims at providing a be applied to triangular structure frame device of swing arm tower machine, including locating swing arm tower machine tower 2 on one's body, triangular structure frame device locates on the swing assembly 2, triangular structure frame device is three-dimensional triangle-shaped toper structure, adopts the atress structure of above-mentioned structure optimization balance arm, has realized under the condition of same counter weight, and balance arm structure cross-section greatly reduced, the effect that weight alleviateed greatly promptly, and safer, reliable. The accessories can be conveniently disassembled and assembled, the social requirements of energy conservation and emission reduction are met, and the market competitiveness of the product is improved.
Description
The technical field is as follows:
the utility model relates to a luffing jib tower crane machinery mainly relates to luffing jib tower crane's constructional device, especially a be applied to luffing jib tower crane's triangle-shaped structure frame device.
Background art:
along with social development, urban construction also enters high-rise buildings and super high-rise buildings from an initial large-dismantling large-building mode, the construction is more intensive, and the condition of tower group operation in the same construction area is more frequent; and people attach more and more high importance to the safety of the construction process, the construction of the tower crane in the past is randomly beyond the enclosure of the construction site, and the law is started to be legislated at present, any part of the tower crane is strictly prohibited to exceed the construction range (red line), the swing arm tower crane adopts the amplitude of the arm support to realize the horizontal movement of the hoisted articles in the construction process, the components of the tower crane and the hoisted articles do not exceed the enclosure of the construction site in the working and non-working states, and the safety of the surrounding environment in the construction process is ensured, so that the application of the swing arm tower crane is more and more extensive in the construction process. Therefore, the requirement on the tower type luffing tower crane is higher.
In the tower crane commonly used at present, in order to ensure the safety of the tower crane, the device structure of the luffing jib tower crane generally adopts the original existing structure, and the tower structure of the luffing jib tower crane cannot be changed, such as a balance arm of the luffing jib tower crane, and the balance arm and a counter weight mainly play a role in balancing the bending moment of the tower crane caused by the hoisting weight, the dead weight of the jib structure and the wind load, so as to ensure that the tower body is always in the state of minimum bending moment. The structural form of the balance arm of the traditional movable arm tower crane is generally a cantilever beam form, so that the weight of the balance weight is mainly borne by the balance arm, and the requirement on the material quality of the balance arm is higher.
As chinese patent publication No. CN216807895U, the utility model discloses a swing arm tower machine self-adaptation counter weight adjustment mechanism, the utility model relates to a swing arm tower machine self-adaptation counter weight adjustment mechanism, including link mechanism, pneumatic cylinder, balancing weight, link mechanism includes first connecting rod and second connecting rod, first connecting rod is articulated with the balance arm of swing arm tower machine, the balancing weight is connected to the bottom of first connecting rod, the articulated second connecting rod in top of first connecting rod, the other end of second connecting rod is articulated with the telescopic link end on the pneumatic cylinder. The utility model discloses a control stretching out and retracting of pneumatic cylinder makes link mechanism swing back and forth, realizes that the balancing weight is close to or keeps away from the base to the ground connection specific pressure of adjustment ground is in suitable, safe within range, improves the security of complete machine.
As another publication No.: CN206590793U, the disclosed "meet arm device in the air and contain device's swing arm tower machine", specifically disclose the utility model belongs to architectural equipment technical field, concretely relates to meet arm device in the air and contain device's swing arm tower machine, the jib loading boom of tower machine is formed by a plurality of arm festival unit connections, meet arm device in the air including installation wire rope, installation mechanism, installation fixed pulley, play to rise wire rope, hoisting mechanism, the support frame, first play to rise fixed pulley and tensioning ware, installation wire rope one end is connected with the jib loading boom on the tower machine, and walks around the installation fixed pulley, installation wire rope's the other end is connected with installation mechanism, the support frame includes the vaulting pole, pulley mount pad and second play to rise the fixed pulley, tensioning ware and the arm festival unit connection of waiting to install, play to rise wire rope's one end and tensioning ware and be connected, and in proper order around second play to rise fixed pulley and first fixed pulley, wire rope's the other end is connected with hoisting mechanism. The purpose is as follows: the problem that the existing swing arm tower crane aerial arm connecting technology is limited by complex conditions of a construction site, is difficult to connect arms and is of various types is solved.
As can be seen from the device structure of the movable arm tower crane disclosed above, the structure form of the device mainly comprises a tower body, a rotary assembly, a balance arm, a balance weight, a tower head, an arm support, a pull rod, a lifting hook and the like; however, the tower crane with the device structure does not relate to the improvement of the device structure on the slewing assembly on the existing swing arm tower crane, and how to make the bending moment stress generated by the hanging weight of the balance arm and the balance weight on the swing arm tower crane, the self weight of the arm support structure and the wind load more balanced, thereby ensuring that the tower body is always in the state of minimum bending moment and ensuring the production safety of the swing arm tower crane.
Therefore, how to provide a triangular structure frame device applied to a swing arm tower crane, which correspondingly changes and increases part of device structures at the upper part of a swing arm tower crane rotation assembly, a right-angled triangular structure device is designed and installed above the swing arm tower crane rotation assembly, and the conventional design thought is broken through from the stress principle of a balance arm steel structure, so that under the condition of realizing the same weight, the bending moment stress generated by the self weight of a balance arm frame structure and wind load is more balanced, the reduction of the cross section of the balance arm structure is realized, the self weight is greatly lightened, and the triangular structure frame device is safer and more reliable, and has stronger stability to the tower crane. And the assembly is simple.
The utility model has the following contents:
the utility model aims at providing a be applied to triangular structure frame device of swing arm tower machine, including locating the gyration assembly on the swing arm tower machine tower body, triangular structure frame device is located on the gyration assembly, triangular structure frame device is three-dimensional triangle-shaped cone structure, adopts the atress structure of above-mentioned structure optimization balance arm, has realized under the condition of same counter weight, and balance arm structure cross-section greatly reduced, the effect that weight alleviateed greatly promptly, and safer, reliable. The accessories can be conveniently disassembled and assembled, the social requirements of energy conservation and emission reduction are met, and the market competitiveness of the product is improved.
The utility model discloses a triangular structure frame device applied to a swing arm tower crane, which comprises a rotary assembly arranged on the tower body of the swing arm tower crane, wherein the triangular structure frame device is arranged above the rotary assembly and is of a three-dimensional triangular cone structure and comprises a right-angle tripod unit and a connecting plate unit; the right-angle tripod unit comprises two plane right-angle tripods, an upper beam, two second beams and a lower beam; the two plane right-angle tripods are respectively formed by correspondingly connecting two vertical right-angle sides, two transverse right-angle sides and two bevel sides; the two plane right-angle tripods are respectively and correspondingly connected with the upper, middle and lower parts of two vertical right-angle edges of the two plane right-angle tripods by an upper beam, a second beam and a lower beam, and the other second beam is correspondingly connected with the corresponding positions of two bevel edges to form a three-dimensional triangular conical structure; and the upper ends of the two vertical right-angle sides of the two plane right-angle tripods are respectively and correspondingly provided with a connecting plate unit.
The invention relates to a triangular structure frame device applied to a movable arm tower crane, wherein a connecting plate unit comprises a plurality of groups of connecting plates, and each group of connecting plates are correspondingly connected to the oblique angles at the upper ends of two vertical right-angle sides of two plane right-angle tripods of a three-dimensional triangular conical structure; a plurality of connecting plate holes are arranged on the corresponding positions along the periphery of the connecting plate.
Preferably, a tripod connecting rotary assembly device is arranged between the triangular structure frame device and the rotary assembly, and comprises a plurality of groups of connecting lug plates and a rotary assembly connecting part connected with the connecting lug plates; each group of connecting lug plates are correspondingly connected to four corners of two plane right-angle triangular frames which are corresponding to the rotary assembly and form a three-dimensional triangular cone structure and are close to the end of the rotary assembly.
Furthermore, the triangular structure frame device applied to the swing arm tower crane is provided with three connecting plate holes at corresponding positions on the periphery of the connecting plate, and corresponding pin shafts can be clamped in each connecting plate hole in a matched manner.
The invention relates to a triangular structure frame device applied to a movable arm tower crane, wherein a connecting part of a rotary assembly comprises connecting lug plates, triangular frame mounting plates, mounting plate holes, a first pin shaft 3, a bolt and a cotter pin, the triangular frame mounting plates are fixedly connected to the positions of the rotary assembly corresponding to four corners of a two-plane right-angled triangular frame and are correspondingly matched with each group of connecting lug plates of a three-dimensional triangular conical structure of the triangular structure frame device, the connecting lug plates are connected to the triangular frame mounting plates, the first pin shaft is inserted into the triangular frame mounting plate holes and fixedly connects the connecting lug plates to the triangular frame mounting plates of the rotary assembly, the cotter pin is arranged at two ends of the first pin shaft, and the bolt is inserted into the holes of the cotter pin.
The utility model discloses a be applied to swing arm tower machine's triangle-shaped structure frame device, including locating swing arm tower machine gyration assembly 2 on the body of the tower, its swing assembly 2 top is located to triangle-shaped structure frame device, triangle-shaped structure frame device is three-dimensional triangle-shaped structure, is connected by two plane right angled triangle structural style and corresponding crossbeam promptly and constitutes, and the swing arm tower machine of design starts from balance arm steel construction atress, breaks conventional design thinking, adopts right angled triangle structural style, follows the stress structure of cantilever beam with the balance arm, optimizes the stress structure that balance arm area supported, has realized under the condition of same counter weight, balance arm structure cross-section greatly reduced, the effect that weight alleviateed greatly, and safer, reliable. By adopting the novel device structure, the counterweight can be effectively prevented from generating larger bending moment on the balance arm structure; the tower crane can bear larger counterweight effectively by changing the structural form, after actual use, the requirement of larger counterweight is greatly met, the required material is saved, the stability of the tower crane is better, and the safety is greatly improved;
on the other hand, the utility model discloses an increase above-mentioned right angle tripod device structure on swing arm tower machine's the gyration assembly, the structure of its tower crane's balance arm roof beam can subtract the change, and its counter weight atress obtains optimizing to the cross sectional area of steel construction can effectively be reduced to the balance arm, saves the use amount and the weight of steel construction. Because the structure of the device is changed under the same load condition, the steel consumption is less, and structural parts of the devices can be conveniently disassembled and assembled, so that the social requirements of energy conservation and emission reduction are met, the swing arm tower crane with a novel structure is realized, the stability of the swing arm tower crane is stronger, and the work, production and operation are safer.
Description of the drawings:
FIG. 1 is a schematic view of a triangular structure frame device mounted on a swing assembly 2 for a tower crane with a swing arm according to the present invention,
FIG. 2 is a schematic view of the upper structure of the triangular frame device of the tower crane with a swing arm of the present invention,
FIG. 3 is a schematic view showing the structure of the triangular frame device of the tower crane with connecting pin shafts,
FIG. 4 is a schematic view showing the structure of the rotary assembly 2 of the present invention in which the tripod mounting plates are connected,
fig. 5 is a schematic view illustrating a connection structure between the connection ear plate 103 and the tripod mounting plate 201 according to the present invention;
in the figure: 1. 1a, plane right angle tripod, 101a, the connecting plate, 1011 connecting plate hole one, 1012, connecting plate hole two, 1013, connecting plate hole three, 102a, vertical cathetus, 103, the connection otic placode, 1031, otic placode round pin shaft hole, 104, horizontal cathetus, 105a, the hypotenuse, 106, first crossbeam, 107, the second crossbeam, 108, the third crossbeam, 109, the bracing piece, 2, the gyration assembly, 201, the tripod mounting panel, 2011, the tripod mounting panel hole, 3, first round pin axle, 4, the bolt, 5, the split pin, 6, the second round pin axle, 7, the third round pin axle, 8, the fourth round pin axle.
The specific implementation mode is as follows:
the following provides a more detailed description of the present invention with reference to specific embodiments and the accompanying drawings. The balance arm presented in the specification has the same meaning as the balance arm of the simply supported beam; the right-angle tripod or the planar right-angle tripod has the same meaning. The technical scheme of the utility model upper and lower equal be to the utility model discloses a description attached drawing.
As shown in fig. 1-5, the utility model discloses a triangular structure frame device applied to a swing arm tower crane, which comprises a rotary assembly 2 arranged on the tower body of the swing arm tower crane, wherein the rotary assembly 2 is arranged on one end of the tower body far away from the ground, as shown in fig. 1, the triangular structure frame device is arranged above the rotary assembly 2, and the triangular structure frame device is designed into a three-dimensional triangular conical structure and comprises a right-angle triangular frame unit and a connecting plate unit; the right-angle tripod unit comprises two plane right-angle tripods 1 and 1a, an upper crossbeam 106, two second crossbeams 107 and a lower crossbeam 108; the two plane right-angle tripods are respectively formed by correspondingly and respectively connecting two vertical right- angle sides 102 and 102a, two transverse right-angle sides 104 and two bevel sides 105 and 105 a; the two plane right-angle tripods 1 and 1a are respectively and correspondingly connected with two vertical right- angle sides 102 and 102a of the two plane right-angle tripods 1 and 1a along the upper part, the middle part and the lower part by an upper cross beam 106, a second cross beam 107 and a lower cross beam 108, and the other second cross beam 107 is correspondingly connected with the corresponding positions of the two bevel sides 105 and 105a to form a three-dimensional triangular conical structure; the connecting plate units are respectively and correspondingly arranged at the upper end parts of two vertical right- angle sides 102 and 102a of the two plane right-angle tripods 1 and 1 a. Namely two vertical cathetuses 102, 102a, two transverse cathetuses 104, two hypotenuses 105, 105a, an upper beam 106, two second beams 107 which form two plane right angle tripods 1, 1 a; the two vertical right- angle sides 102 and 102a, the two transverse right-angle sides 104 and the two inclined sides 105 and 105a are correspondingly connected to the upper end parts of the two vertical right- angle sides 102 and 102a through an upper cross beam 106, a second cross beam 107 is correspondingly connected to the corresponding positions in the middle parts of the two vertical right- angle sides 102 and 102a, and one end of each of the two transverse right-angle sides 104 is connected to one end, far away from the connection of the upper cross beam 106, of the two vertical right- angle sides 102 and 102 a; that is, the upper beam 106, the two second beams 107 and the support rod 109 connect the two planar right-angle tripods 1 and 1a to form a three-dimensional triangular pyramid structure, the support rod 109 is designed to be a herringbone structure, the top end of the herringbone structure is connected to the corresponding position in the middle of the second beam 107 connected to the two inclined sides 105 and 105a, and the lower end of the herringbone structure is connected to the end of the two inclined sides 105 and 105a connected to the transverse right-angle side 104, so as to consolidate the stress of the three-dimensional triangular pyramid structure device.
As shown in fig. 1-3, the connecting plate unit of the triangular structural frame device for the movable arm tower crane of the present invention comprises two sets of connecting plates 101, 101a, each set of connecting plates 101 is correspondingly and respectively connected to the oblique angles at the upper ends of the two vertical right- angle sides 102, 102a of the two-plane right-angle triangular supports 1, 1a of the three-dimensional triangular pyramid structure; the connecting plates are provided with a plurality of connecting plate holes at corresponding positions along the periphery, in this embodiment, 3 connecting plate holes, namely a first connecting plate hole 1011, a second connecting plate hole 1012 and a third connecting plate hole 1013, are uniformly distributed along the periphery of the connecting plates 101 and 101a, and three corresponding pins, namely a corresponding second pin 6, a corresponding third pin 7 and a corresponding fourth pin 8, can be correspondingly clamped in each connecting plate hole, so as to be correspondingly and fixedly connected with one end of a balance arm, a herringbone tower head and an arm support of the movable arm tower crane. That is, one end of the balance arm, the herringbone tower head and the arm support of the luffing jib tower crane are respectively and correspondingly and fixedly connected to the connecting plates 101 and 101a on the triangular structure frame device through the second pin shaft 6, the third pin shaft 7 and the fourth pin shaft 8.
A tripod connecting rotary assembly device is arranged between the triangular structure frame device and the rotary assembly 2, and comprises a plurality of groups of connecting lug plates 103 and rotary assembly connecting parts connected with the connecting lug plates 103; each group of connecting ear plates 103 is correspondingly connected to four corners of two plane right-angle triangular frames 1 and 1a which are corresponding to the rotary assembly 2 and form a three-dimensional triangular cone structure and are close to the end of the rotary assembly.
Preferably, as shown in fig. 5, a specific connection mode that the triangular structural frame device is connected to the swing assembly 2 through the swing assembly connecting part is disclosed; on four corners of the two-plane right-angled triangular frame 1, 1a of the three-dimensional triangular conical structure, each corner is provided with a group of connecting ear plates 103, that is, four groups of the same connecting ear plates 103 are connected on the four corners, each group of connecting ear plates 103 is composed of two ear plates with the same structure, the two same connecting ear plates 103 can be clamped on the triangular frame mounting plate 201, specifically, the rotation assembly connecting part comprises the connecting ear plates 103, the triangular frame mounting plate 201, mounting plate holes 2011, first pin shafts 3, pins 4 and cotters 5, the triangular frame mounting plate 201 is fixedly connected on the corresponding positions of the four corners of the two-plane right-angled triangular frame 1 of the rotation assembly 2 and correspondingly matched with each group of connecting ear plates 103 of the three-plane right-angled triangular conical structure of the triangular structure frame device, the connecting ear plates 103 are clamped on the mounting plate 201, the first pin shafts 3 are clamped in the triangular frame mounting plate holes 2011 and fixedly connect the connecting ear plates to the triangular frame 201 of the rotation assembly 2, the cotters 5 are arranged at two ends of the first pin shafts 3, and the pins 4 are inserted in the holes of the cotters 5.
The description is only an overview of the invention, and can be implemented according to the content of the description, which is only a preferred embodiment of the present invention, and not to limit the present technology in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present application are all within the protection scope of the present application, without departing from the content of the present application.
Claims (5)
1. A triangular structure frame device applied to a swing arm tower crane comprises a rotary assembly arranged on a tower body of the swing arm tower crane, and is characterized in that the triangular structure frame device is arranged above the rotary assembly and is of a three-dimensional triangular conical structure and comprises a right-angle triangular frame unit and a connecting plate unit; the right-angle tripod unit comprises two plane right-angle tripods, an upper beam, two second beams and a lower beam; the two plane right-angle tripods are respectively formed by correspondingly connecting two vertical right-angle sides, two transverse right-angle sides and two bevel sides; the two plane right-angle tripods are respectively and correspondingly connected with the upper, middle and lower parts of two vertical right-angle edges of the two plane right-angle tripods by an upper beam, a second beam and a lower beam, and the other second beam is correspondingly connected with the corresponding positions of two bevel edges to form a three-dimensional triangular conical structure; and the upper ends of the two vertical right-angle sides of the two plane right-angle tripods are respectively and correspondingly provided with a connecting plate unit.
2. The triangular structural frame device applied to the swing arm tower crane as claimed in claim 1, wherein the connecting plate unit comprises a plurality of sets of connecting plates, each set of connecting plates is correspondingly connected to the oblique angles at the upper ends of the two vertical right-angle sides of the two-plane right-angle triangular frame of the three-dimensional triangular pyramid structure; a plurality of connecting plate holes are arranged on the corresponding positions on the periphery of the connecting plate.
3. The triangular structure frame device applied to the movable arm tower crane as claimed in claim 1, wherein a tripod connecting rotation assembly device is arranged between the triangular structure frame device and the rotation assembly, and comprises a plurality of groups of connecting lug plates and rotation assembly connecting parts connected with the connecting lug plates; each group of connecting lug plates are correspondingly connected to four corners of two plane right-angle triangular frames which are corresponding to the rotary assembly and form a three-dimensional triangular cone structure and are close to the end of the rotary assembly.
4. The triangular structural frame device applied to the luffing jib tower crane as claimed in claim 2, wherein the connecting plate has three connecting plate holes at corresponding positions along the periphery, and each connecting plate hole is adapted to receive a corresponding pin therein.
5. The triangular structure frame device applied to the movable arm tower crane is characterized in that the rotating assembly connecting part comprises connecting lug plates, triangular frame mounting plates, mounting plate holes, first pin shafts, inserted pins and split pins, the triangular frame mounting plates are fixedly connected to the corresponding positions of the four corners of the two-plane right-angled triangular frame of the rotating assembly and correspondingly matched with each group of connecting lug plates of the three-dimensional triangular cone structure of the triangular structure frame device, the connecting lug plates are connected to the triangular frame mounting plates, the first pin shafts are inserted into the triangular frame mounting plate holes and fixedly connect the connecting lug plates to the triangular frame mounting plates of the rotating assembly, the split pins are arranged at two ends of the first pin shafts, and the inserted pins are inserted into the holes of the split pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222937201.7U CN218708778U (en) | 2022-11-04 | 2022-11-04 | Triangular structure frame device applied to swing arm tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222937201.7U CN218708778U (en) | 2022-11-04 | 2022-11-04 | Triangular structure frame device applied to swing arm tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218708778U true CN218708778U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222937201.7U Active CN218708778U (en) | 2022-11-04 | 2022-11-04 | Triangular structure frame device applied to swing arm tower crane |
Country Status (1)
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|---|---|
| CN (1) | CN218708778U (en) |
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- 2022-11-04 CN CN202222937201.7U patent/CN218708778U/en active Active
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