阅读说明：本技术 一种塔式起重机顶升系统 (Jacking system of tower crane ) 是由 王龙 何涛 范凯基 陈臻颖 郑创斌 曹嘉利 于 2020-08-18 设计创作，主要内容包括：本发明公开了一种塔式起重机顶升系统,包括顶升横梁、标准节、防脱装置,所述顶升横梁的端部设有第一连接杆；所述防脱装置包括设置在所述标准节上的连接板,所述连接板上设有第一连接缺口,所述第一连接杆与所述第一连接缺口抵接；所述防脱装置还包括设置在所述顶升横梁与所述标准节之间的卡扣结构,所述卡扣结构与所述标准节连接的一端设置在所述第一连接缺口的下方。顶升横梁通过第一连接杆从上方安装到第一连接缺口上,即实现顶升横梁与标准节的安装；再通过下方的卡扣结构保持第一连接杆和第一连接缺口位置固定,防止第一连接杆从第一连接缺口脱出,使得顶升横梁与标准节安装效率高且安装安全可靠。(The invention discloses a tower crane jacking system which comprises a jacking cross beam, a standard joint and an anti-falling device, wherein a first connecting rod is arranged at the end part of the jacking cross beam; the anti-falling device comprises a connecting plate arranged on the standard knot, a first connecting gap is arranged on the connecting plate, and the first connecting rod is abutted to the first connecting gap; the anti-falling device is characterized in that the anti-falling device further comprises a clamping structure arranged between the jacking cross beam and the standard joint, and one end, connected with the standard joint, of the clamping structure is arranged below the first connecting notch. The jacking cross beam is arranged on the first connecting gap from the upper part through the first connecting rod, so that the installation of the jacking cross beam and the standard knot is realized; the buckle structure below keeps the first connecting rod and the first connecting gap fixed in position, and prevents the first connecting rod from being separated from the first connecting gap, so that the jacking cross beam and the standard joint are high in installation efficiency and safe and reliable in installation.)

1. A tower crane jacking system is characterized by comprising a jacking cross beam, a standard joint and an anti-falling device, wherein a first connecting rod is arranged at the end part of the jacking cross beam; the anti-falling device comprises a connecting plate arranged on the standard joint, a first connecting gap is arranged on the connecting plate, the opening direction of the first connecting gap is integrally upwards arranged, and the first connecting rod is abutted to the first connecting gap; the anti-falling device is characterized in that the anti-falling device is further arranged on the jacking cross beam and a buckle structure between the standard sections, one end of the buckle structure is connected with the jacking cross beam, the other end of the buckle structure is connected with the standard sections, and one end of the buckle structure connected with the standard sections is arranged below the first connecting notch.

2. The tower crane jacking system of claim 1, wherein an opening direction of the first connecting gap is angled from vertical.

3. The tower crane jacking system of claim 1, wherein the buckle structure comprises a second connecting notch arranged on the standard knot, and the opening direction of the second connecting notch is arranged downward on the whole; the buckle structure further comprises a second connecting rod arranged on the jacking cross beam, the second connecting rod is abutted to the second connecting notch, and the second connecting rod is provided with a movement path from one side of the second connecting notch to the other side of the second connecting notch.

4. The tower crane jacking system of claim 3, wherein an end of the second connecting rod proximate to the second connection notch is configured to taper in a direction proximate to the second connection notch.

5. The tower crane jacking system of claim 3, wherein the buckle structure comprises a mounting bracket arranged on the jacking cross beam, a through hole arranged along the movement path is formed in the mounting bracket, and the second connecting rod is connected with the inner wall surface of the through hole in a sliding manner; the mounting rack is also provided with a first positioning notch and a second positioning notch, the second connecting rod is provided with a rotating handle, and the rotating handle is abutted to the second positioning notch; the rotating handle is provided with a first position which is connected with the first positioning notch in an abutting mode, and the rotating handle is further provided with a second position which is connected with the second positioning notch in an abutting mode.

6. The tower crane jacking system of claim 5, wherein a bottom wall of the second positioning notch is disposed progressively closer to an opening of the second positioning notch in a direction away from the second connection notch.

7. The tower crane jacking system of claim 5, wherein the mounting bracket comprises a transverse plate, the mounting bracket further comprises a first longitudinal plate and a second longitudinal plate fixedly connected to two ends of the transverse plate, respectively, and the transverse plate, the first longitudinal plate and the second longitudinal plate are integrally formed; the through hole penetrates through the first vertical plate and the second vertical plate.

8. The tower crane jacking system of claim 1, wherein the jacking cross beam is further provided with a fixed block, the fixed block is provided with a connecting hole extending along the axial direction of the first connecting rod, and one end of the first connecting rod, which is far away from the first connecting gap, is abutted against the inner wall of the connecting hole.

9. The tower crane jacking system of claim 8, wherein the jacking cross beam comprises a web plate, an upper wing plate and a lower wing plate, and the upper wing plate and the lower wing plate are respectively fixedly connected with the upper end and the lower end of the web plate; the fixed block with web fixed connection, the upper and lower both ends of fixed block respectively with go up pterygoid lamina with lower pterygoid lamina fixed connection.

10. The tower crane jacking system of claim 9, wherein a third connecting gap is formed in the upper end of the web, the third connecting gap is arranged upward, the lower end of the fixing block is fixedly connected with the bottom wall of the third connecting gap, and one end, far away from the first connecting gap, of the positioning block is fixedly connected with the side wall of the third connecting gap.

Technical Field

The invention relates to the technical field of cranes, in particular to the technical field of crane jacking.

Background

With the continuous development of urbanization, the amount of urban construction projects is greatly increased, and tower cranes are widely used as main construction hoisting machinery in construction projects. At present, the rotary attached self-elevating tower crane is mainly used. Along with the increase of building engineering construction height, adhere to self-elevating tower crane and pass through jacking system jack-up tower machine superstructure, introduction standard festival to the working height of rising tower machine, this form tower crane is the building construction of generally applicable operation height below 250 meters, has concurrently simultaneously that the application cost is low, advantages such as equipment mobility is good.

The jacking system that tower machine used at present places the jacking crossbeam on the mark time of standard festival, makes the left and right hanging shoes of jacking crossbeam hang on the jacking mark time of a set of below standard festival. The left and right hanging shoes of the existing jacking cross beam are higher in requirements when being assembled with the steps, and meanwhile, the operation level of installation operators is higher, so that the installation efficiency of the jacking cross beam and the standard knot is low.

Disclosure of Invention

In order to solve the above problems, the present invention aims to provide a tower crane jacking system to solve the problem of low installation efficiency of a jacking cross beam and a standard knot.

In order to achieve the purpose, the invention is realized according to the following technical scheme:

a jacking system of a tower crane comprises a jacking cross beam, a standard joint and an anti-falling device, wherein a first connecting rod is arranged at the end part of the jacking cross beam; the anti-falling device comprises a connecting plate arranged on the standard joint, a first connecting gap is arranged on the connecting plate, the opening direction of the first connecting gap is integrally upwards arranged, and the first connecting rod is abutted to the first connecting gap; the anti-falling device is characterized in that the anti-falling device is further arranged on the jacking cross beam and a buckle structure between the standard sections, one end of the buckle structure is connected with the jacking cross beam, the other end of the buckle structure is connected with the standard sections, and one end of the buckle structure connected with the standard sections is arranged below the first connecting notch.

Preferably, an included angle is formed between the opening direction of the first connecting notch and the vertical direction.

Preferably, the buckle structure comprises a second connecting notch arranged on the standard knot, and the opening direction of the second connecting notch is arranged downwards on the whole; the buckle structure further comprises a second connecting rod arranged on the jacking cross beam, the second connecting rod is abutted to the second connecting notch, and the second connecting rod is provided with a movement path from one side of the second connecting notch to the other side of the second connecting notch.

Preferably, one end of the second connecting rod close to the second connecting notch is arranged to be gradually reduced along the direction close to the second connecting notch.

Preferably, the buckle structure comprises an installation frame arranged on the jacking cross beam, a through hole arranged along the motion path is formed in the installation frame, and the second connecting rod is in sliding connection with the inner wall surface of the through hole; the mounting rack is also provided with a first positioning notch and a second positioning notch, the second connecting rod is provided with a rotating handle, and the rotating handle is abutted to the second positioning notch; the rotating handle is provided with a first position which is connected with the first positioning notch in an abutting mode, and the rotating handle is further provided with a second position which is connected with the second positioning notch in an abutting mode.

Preferably, the bottom wall of the second positioning notch is arranged to be gradually close to the opening of the second positioning notch along the direction far away from the second connecting notch.

Preferably, the mounting frame comprises a transverse plate, the mounting frame further comprises a first longitudinal plate and a second longitudinal plate which are fixedly connected with two ends of the transverse plate respectively, and the transverse plate, the first longitudinal plate and the second longitudinal plate are integrally formed; the through hole penetrates through the first vertical plate and the second vertical plate.

Preferably, the jacking cross beam is further provided with a fixed block, the fixed block is provided with a connecting hole extending along the axis direction of the first connecting rod, and one end, far away from the first connecting notch, of the first connecting rod is abutted to the inner wall of the connecting hole.

Preferably, the jacking cross beam comprises a web plate, an upper wing plate and a lower wing plate, and the upper wing plate and the lower wing plate are respectively and fixedly connected with the upper end and the lower end of the web plate; the fixed block with web fixed connection, the upper and lower both ends of fixed block respectively with go up pterygoid lamina with lower pterygoid lamina fixed connection.

Preferably, the upper end of web is equipped with third connection breach, third connection breach sets up wholly, the lower extreme of fixed block with the diapire fixed connection of third connection breach, the locating piece is kept away from the one end of first connection breach with the lateral wall fixed connection of third connection breach.

Compared with the prior art, the invention has the beneficial effects that:

the jacking cross beam is arranged on the first connecting gap from the upper part through the first connecting rod, so that the installation of the jacking cross beam and the standard knot is realized; the buckle structure below keeps the first connecting rod and the first connecting gap fixed in position, and prevents the first connecting rod from being separated from the first connecting gap, so that the jacking cross beam and the standard joint are high in installation efficiency and safe and reliable in installation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a front view of an embodiment of a tower crane jacking system of the present invention.

Fig. 2 is an exploded view of an embodiment of a jacking cross beam in the jacking system of the tower crane according to the invention.

Fig. 3 is a schematic structural diagram of an embodiment of a buckle structure in a tower crane jacking system according to the present invention.

Fig. 4 is a front view of an embodiment of a jacking cross beam in the jacking system of the tower crane according to the invention.

Fig. 5 is a partial enlarged view of position a in fig. 4.

Fig. 6 is a left side view of an embodiment of a jacking cross beam in the jacking system of the tower crane according to the invention.

FIG. 7 is a schematic structural diagram of a connecting structure of a jacking cross beam and a standard joint in the jacking system of the tower crane of the present invention.

Wherein:

1-jacking cross beam, 11-first connecting rod, 12-second connecting rod, 121-rotating handle, 13-fixing block, 131-connecting hole, 14-web plate, 141-third connecting gap, 151-upper wing plate, 152-lower wing plate, 2-standard knot, 21-connecting plate, 211-first connecting gap, 22-second connecting gap, 31-through hole, 321-first positioning gap, 322-second positioning gap, 331-first longitudinal plate, 332-second longitudinal plate and 333-transverse plate.

Detailed Description

So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 7, a tower crane jacking system comprises a jacking cross beam 1, a standard joint 2 and an anti-drop device, wherein a first connecting rod 11 is arranged at the end part of the jacking cross beam 1; the anti-falling device comprises a connecting plate 21 arranged on the standard joint 2, a first connecting notch 211 is arranged on the connecting plate 21, the opening direction of the first connecting notch 211 is integrally arranged upwards, and the first connecting rod 11 is abutted to the first connecting notch 211; the anti-disengaging device is still including setting up the buckle structure between jacking crossbeam 1 and standard festival 2, and buckle structure one end is connected with jacking crossbeam 1, and buckle structure's the other end is connected with standard festival 2, and the one end setting that buckle structure and standard festival 2 are connected is in the below of first connecting gap 211.

The opening direction of the first connection notch 211 forms an included angle with the vertical direction, which is shown as an angle B in fig. 6. Through setting up the contained angle, jacking crossbeam 1 need not keep completely static can fall when lateral shifting is to being close the standard festival, and this contained angle makes jacking crossbeam 1 can have a slant direction of motion, makes jacking crossbeam 1 install first connecting gap 211 more convenient and fast.

The buckle structure comprises a second connecting notch 22 arranged on the standard joint 2, and the opening direction of the second connecting notch 22 is integrally arranged downwards; the buckle structure further comprises a second connecting rod 12 arranged on the jacking cross beam 1, the second connecting rod 12 is abutted with a second connecting notch 22, the second connecting rod 12 is provided with a moving path from one side of the second connecting notch 22 to the other side of the second connecting notch 22, and the second connecting rod 12 is abutted with the second connecting notch 22 as shown in fig. 6 and 7. The second connecting rod 12 having the moving path can be disengaged from the second connecting notch 22 in a direction from one side of the second connecting notch 22 to the other side of the second connecting notch 22, thereby releasing the locking, so that the jacking cross beam 1 can be separated from the first connecting notch 211.

One end of the second connecting rod 12 close to the second connecting notch 22 is set to be gradually reduced along the direction close to the second connecting notch 22, so that the counterweight difficulty of the second connecting rod 12 and the second connecting notch 22 is reduced, and the assembly efficiency is improved.

The buckle structure comprises a mounting frame arranged on the jacking cross beam 1, a through hole 31 arranged along a motion path is arranged on the mounting frame, and the second connecting rod 12 is in sliding connection with the inner wall surface of the through hole 31; a first positioning notch 321 and a second positioning notch 322 are further formed in the mounting frame, a rotating handle 121 is arranged on the second connecting rod 12, and the rotating handle 121 is abutted to the second positioning notch 322; the rotating handle 121 has a first position abutting against the first positioning notch 321, the rotating handle 121 also has a second position abutting against the second positioning notch 322, as shown in the figure, when the rotating handle 121 abuts against the second positioning notch 322, the second connecting rod 12 abuts against the second connecting notch 22; when the turning handle 121 abuts against the first positioning notch 321, the second link 12 is disengaged from the second connection notch 22.

The bottom wall of the second positioning notch 322 is set to be gradually close to the opening of the second positioning notch 322 along the direction far away from the second connecting notch 22, and the rotating handle 121 can be rotated to the bottom wall of the second positioning notch 322 by abutting the second connecting rod 12 with the second connecting notch 22. At this time, if an unexpected external force causes the second connecting rod 12 to be axially separated from the second connecting port 22, the bottom wall of the second positioning notch 322 can provide a reverse resistance for the rotating handle 121 to prevent the second connecting rod 12 from being separated.

The mounting frame comprises a transverse plate 333, the mounting frame further comprises a first longitudinal plate 331 and a second longitudinal plate 332 which are fixedly connected with two ends of the transverse plate 333 respectively, and the transverse plate 333, the first longitudinal plate 331 and the second longitudinal plate 332 are integrally formed; the through hole 31 penetrates through the first vertical plate 331, the second vertical plate 332, the transverse plate 333, the first vertical plate 331 and the second vertical plate 332, and is integrally formed, so that the manufacturing convenience of the mounting frame is improved.

Still be equipped with fixed block 13 on the jacking crossbeam 1, be equipped with the connecting hole 131 that extends the setting along the axis direction of head rod 11 on the fixed block 13, the one end that head rod 11 kept away from first connecting gap 211 and the inner wall butt of connecting hole 131, connecting hole 131 has increased the area of contact with head rod 11, more effectual avoiding the hookup location to lose efficacy, make head rod 11 and the connection of jacking crossbeam safer and more reliable.

The jacking cross beam 1 comprises a web plate 14, an upper wing plate 151 and a lower wing plate 152, wherein the upper wing plate 151 and the lower wing plate 152 are respectively fixedly connected with the upper end and the lower end of the web plate 14; fixed block 13 and web 14 fixed connection, the upper and lower both ends of fixed block 13 respectively with last pterygoid lamina 151 and lower pterygoid lamina 152 fixed connection, fixed block 13 and last pterygoid lamina 151 and lower pterygoid lamina 152 fixed connection, this connection structure has higher intensity, and fixed block 13 page or leaf possesses the ability of better resistance external force torque, can bear the gravity of jacking crossbeam 1 better.

The upper end of web 14 is equipped with third connection breach 141, and third connection breach 141 sets up wholly upwards, the lower extreme of fixed block 13 and the diapire fixed connection of third connection breach 141, the one end that first connection breach 211 was kept away from to the locating piece and the lateral wall fixed connection of third connection breach 141, and fixed block 13 has possessed stronger ability of preventing deflecting.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.