CN105060136A - Axial deviation eliminating mechanism for supporting cross beam of tower crane - Google Patents

Abstract

The invention belongs to the technical field of buildings and relates to an axial deviation eliminating mechanism for a supporting cross beam of a tower crane. The technical problem that in the prior art, smoothness is not enough in the moving process of a tower crane is solved. The axial deviation eliminating mechanism comprises the supporting cross beam used for being connected with the tower crane. The supporting cross beam comprises a supporting beam and a supporting rod, wherein the axis of the supporting beam and the axis of the supporting rod coincide. The supporting beam and the supporting rod are connected through a movable sleeve, and the movable sleeve is provided with an axial deviation eliminating assembly which enables the supporting beam and the supporting rod to be fixedly connected or to be capable of axially moving in the movable sleeve. By means of the axial deviation eliminating mechanism, the working stability and the load amount of the tower crane can be improved, the length of the supporting cross beam can be automatically adjusted in the walking process of the tower crane, and thus the tower crane can walk smoothly.

Description

Axial Deviation Elimination Mechanism for Supporting Beams of Tower Cranes

technical field

The invention belongs to the technical field of construction engineering and relates to an axial deviation eliminating mechanism for a supporting beam of a tower crane.

Background technique

Tower crane is the most commonly used lifting equipment on construction sites, also known as "tower crane". Raw materials for construction. Tower crane is an indispensable equipment on the construction site.

Tower cranes can be divided into mobile tower cranes and fixed tower cranes. Mobile tower cranes can be divided into four types: track type, tire type, car type, and crawler type according to different traveling devices. The track-type tower crane is fixed on the walking chassis and can run on a specially designed track. It has good stability and high work efficiency, so it is widely used in construction and installation projects. Tire-type, car-type and crawler-type tower cranes have no track device and are easy to move, but they cannot walk with a load and have poor stability.

During the movement of the tower crane, if there is no support, the safety is not high. If there is support, the length of the support needs to be adjusted in time, so that the tower crane can move smoothly.

Contents of the invention

The object of the present invention is to solve the above problems and provide an axial deviation elimination mechanism for a supporting beam of a tower crane that automatically adjusts its length.

In order to achieve the above object, the present invention adopts the following technical solutions: an axial deviation elimination mechanism for a supporting beam of a tower crane, including a supporting beam used to connect with a tower crane, and the supporting beam includes a support whose axis lines coincide Beams and support rods, the support beams and support rods are connected with movable sleeves, and a movable sleeve is provided to enable the support beams and support rods to be fixedly connected or to enable the support beams and support rods to move axially in the movable sleeves. Axial misalignment elimination components.

In the above-mentioned axial deviation elimination mechanism for the support beam of the tower crane, one end of the movable sleeve is fixedly connected with the support rod to form a fixed end, and the other end is movably connected with the support beam, and the axial deviation elimination assembly includes a fixed The tightening driver is located in the movable sleeve and on the fixed end. The tightening driver has an axially telescopic output end and can tighten the end of the support beam when the output end extends forward so that the support rod and the support The beams are in a tight state against each other.

In the above-mentioned axial deviation elimination mechanism for the support beam of the tower crane, one end of the movable sleeve is fixedly connected with the support rod to form a fixed end, and the other end is movably connected with the support beam, and the axial deviation elimination assembly includes a fixed At the end of the support beam and inserted into the rack in the movable sleeve, the movable sleeve is provided with a number of gears that are rotatably connected with the movable sleeve and meshed with the rack. A gear brake that is rotationally connected or fixedly connected with a movable sleeve.

In the above-mentioned axial deviation elimination mechanism for the support beam of the tower crane, one end of the movable sleeve is fixedly connected with the support beam to form a fixed end, and the other end is movably connected with the support rod, and the axial deviation elimination assembly includes a fixed The tightening driver is located in the movable sleeve and on the fixed end. The tightening driver has an axially telescopic output end and can tighten the end of the support beam when the output end extends forward so that the support rod and the support The beams are in a tight state against each other.

In the above-mentioned axial deviation elimination mechanism for the support beam of the tower crane, one end of the movable sleeve is fixedly connected with the support beam to form a fixed end, and the other end is movably connected with the support rod, and the axial deviation elimination assembly includes a fixed At the end of the support rod and inserted into the rack in the movable sleeve, the movable sleeve is provided with a number of gears that are rotatably connected with the movable sleeve and meshed with the rack. A gear brake that is rotationally connected or fixedly connected with a movable sleeve.

In the above-mentioned axial deviation eliminating mechanism for the support beam of the tower crane, the support beam includes a front support arm and a rear support arm whose axis lines coincide, and the front support arm and the rear support arm are detachably connected by socket pipes .

In the above-mentioned axial deviation elimination mechanism for the supporting beam of the tower crane, a slide rail assembly is hinged at the end of the supporting beam far away from the tower crane, and the axis line of the slide rail assembly is connected to the axis of the supporting beam The lines are perpendicular.

In the above-mentioned axial deviation eliminating mechanism for the support beam of the tower crane, the slide rail assembly includes a slide rail arranged horizontally and perpendicular to the support beam and a slide block snap-fitted with the slide rail, the slide block Hinged to supporting beams.

In the above-mentioned axial deviation elimination mechanism for the supporting beam of the tower crane, the slide rail is a detachable structure, including a first track plate and a second track plate that are opposite and parallel to each other and perpendicular to the first track plate. The third track plate, the two ends of the third track plate are fixedly connected with the first track plate and the second track plate with bolts respectively.

In the above-mentioned axial deviation eliminating mechanism for the supporting beam of the tower crane, the slide rail further includes a connecting plate for connecting with the wall of the building, and the first track plate and the connecting plate are detachable The fixed connection of the slide block is provided with a slide rail brake that can make the slide rail press against the slide rail so that the positions of the slide rail and the slide block are fixed.

Compared with the prior art, the present invention has the advantages that it can improve the working stability and load capacity of the tower crane, and can automatically adjust the length of the supporting beam when the tower crane is running, so that the tower crane can run smoothly.

Description of drawings

Fig. 1 is a structural representation provided by the present invention;

Fig. 2 is another kind of structural schematic diagram provided by the invention;

Fig. 3 is a structural schematic diagram of the axial deviation elimination assembly in Fig. 2;

Fig. 4 is a structural schematic diagram of another direction of the axial deviation elimination assembly in Fig. 2;

Fig. 5 is another structural schematic diagram provided by the invention;

Fig. 6 is another structural schematic diagram provided by the invention;

Fig. 7 is another structural schematic diagram provided by the invention;

Fig. 8 is another structural schematic diagram provided by the invention;

Figure 9 is a schematic structural view of the slide rail assembly;

Figure 10 is another schematic structural view of the slide rail assembly;

Fig. 11 is a working principle diagram of the present invention.

In the figure: support beam 1, support beam 2, support rod 3, movable sleeve 4, axial deviation elimination assembly 5, fixed end 6, jacking driver 7, rack 8, gear 9, gear brake 10, front support arm 11 , rear support arm 12, socket pipe 13, slide rail assembly 14, slide rail 15, slope 15a, slider 16, first track plate 17, second track plate 18, third track plate 19, connecting plate 20, slide rail Brake 21, slide rail clamping plate 21a, tower crane 100, building 101.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Example 1

As shown in Figures 1 and 11, an axial deviation elimination mechanism for a supporting beam of a tower crane includes a supporting beam 1 for connecting with a tower crane 100, and the supporting beam 1 includes a supporting beam whose axis lines coincide 2 and the support rod 3, the support beam 2 and the support rod 3 are connected with a movable sleeve 4, and a movable sleeve 4 is provided to enable the support beam 2 and the support rod 3 to be fixedly connected or to make the support beam 2 and the support rod 3 An axial deviation elimination assembly 5 capable of moving axially in the movable sleeve 4 .

The support beam 2 includes a front support arm 11 and a rear support arm 12 whose axis lines coincide. The front support arm 11 and the rear support arm 12 are detachably connected by a socket 13, and the two ends of the socket 13 are respectively inserted into the front support arm 11. And on the rear support arm 12 and fix with connecting pieces such as bolts, hoops, so that the length of the support beam 2 is adjustable.

One end of the support beam 1 away from the tower crane is hinged with a slide rail assembly 14, the axis line of the slide rail assembly 14 is perpendicular to the axis line of the support beam 1, and the support beam 1 can slide along the slide rail assembly 14 so that To adjust the position, the slide rail assembly 14 includes a slide rail 15 arranged horizontally and perpendicular to the support beam 1 and a slide block 16 snap-fitted with the slide rail. The slope 15a makes the sliding of the slider 16 and the slide rail 15 smooth.

As shown in Figure 10, in order to make the slide rail 15 easy to install and disassemble, thereby improving construction efficiency, in this embodiment, the slide rail 15 is a detachable structure, including a first track plate 17 and a second track plate 17 that are opposite and parallel to each other. Track plate 18 and the third track plate 19 perpendicular to the first track plate 17, the two ends of the third track plate 19 are fixedly connected with the first track plate 17 and the second track plate 18 with bolts respectively, and the slide rail 15 is H-shaped .

The slide rail 15 also includes a connection plate 20 for connecting with the wall of the building, the first track plate 17 is detachably fixedly connected with the connection plate 20, and the slide block 16 is provided with a sliding The rail 15 presses against the slide rail 15 so that the position of the slide rail 15 and the slider 16 is fixed. The slide rail brake 21 is a cylinder or an oil cylinder. The rail clamping plate 21 a is located between the slide rail 15 and the slider 16 , as shown in FIG. 10 , the slide rail clamping plate 21 a is located between the second rail plate 18 and the slider 16 . As shown in FIG. 9 , the slide rail 15 can also be a C-shaped structure, and the slide rail clamping plate 21 a is located between the slide rail 15 and the slider 16 .

One end of the movable sleeve 4 is fixedly connected with the support beam 2 to form a fixed end 6, and the other end is movably connected with the support rod 3, as shown in Figure 1, the rear support arm 12 of the support beam 2 is fixedly connected with the movable sleeve 4, and the axial deviation elimination assembly 5 includes a tightening driver 7 fixed in the movable sleeve 4 and located on the fixed end 6. The tightening driver 7 has an axially retractable output end and can tighten the support beam 2 when the output end extends forward. The ends thus make the support rod 3 and the support beam 2 in a state of being tightly pressed against each other. The jacking driver 7 can be an oil cylinder or an air cylinder, or a screw structure driven by a motor. The output end of the oil cylinder or air cylinder can be stretched. There is no movable gap in the movable sleeve 4, so that the position is fixed. Similarly, the screw mandrel can also move back and forth to withstand the support rod 3 to realize the state that the support beam 2 and the support rod 3 are in a fixed position.

The working principle of the present invention is: as shown in Figure 11, one end of the support beam 1 is fixedly connected with the tower crane 100, and the other end is connected with the slide rail assembly 14, and the slide rail assembly 14 can be fixed on the building 101, and the building 101 can be a house , walls, bridges, etc. The supporting beam 1 supports the tower crane 100 in the horizontal direction, thereby improving the stability of the tower crane 100 in operation and also increasing the load capacity of the tower crane.

The supporting beam 1 can move along the slide rail assembly 14, which can realize the movement of the tower crane 100, especially the movement with load. Since the moving route of the tower crane 100 is not a complete straight line, the distance between the tower crane 100 and the slide rail assembly 14 will change. At this time, the axial deviation elimination assembly 5 is needed to adjust this deviation so as to change the length of the supporting beam 1 In this embodiment, the length of the support beam 1 is changed by moving the support rod 3 back and forth in the movable sleeve 4, thereby realizing the elimination of the axial deviation and facilitating the movement of the tower crane 100. When the tower crane 100 does not need to move, the jacking driver 7 is working The positions of the support bar 3 and the support beam 2 are fixed, and the length of the support beam 1 is fixed.

Example 2

The structure and working principle of the present invention are basically the same as those of Embodiment 1, except that, as shown in Figure 5, one end of the movable sleeve 4 is fixedly connected with the support rod 3 to form a fixed end 6, and the other end is movably connected with the support beam 2, so that The axial deviation elimination assembly 5 includes a tightening driver 7 fixed in the movable sleeve 4 and located on the fixed end 6. The tightening driver 7 has an axially retractable output end and when the output end extends forward The end of the support beam 2 can be pressed tightly so that the support rod 3 and the support beam 2 are in a state of mutual support.

Example 3

The structure and working principle of the present invention are basically the same as those of Embodiment 1, the difference being that, as shown in Figure 6, the front support arm 11 of the support beam 2 is fixedly connected with the movable sleeve 4, and the rear support arm 12 is fixedly connected with the tower crane 100, The support rod 3 is hinged to the slide rail assembly 14 .

Example 4

The structure and working principle of the present invention are basically the same as those of Embodiment 1, the difference being that, as shown in Figure 2, Figure 3 and Figure 4, one end of the movable sleeve 4 is fixedly connected with the rear support arm 12 of the support beam 2 to form a fixed end 6 , the other end is movably connected with the support rod 3, the support rod 3 is fixedly connected with the tower crane 100, the axial deviation elimination assembly 5 includes a rack 8 fixed at the end of the support rod 3 and inserted into the movable sleeve 4, the movable sleeve 4 is provided with some gears 9 that are connected to the movable sleeve 4 in rotation and meshed with the rack 8, and the movable sleeve 4 is also provided with a gear brake 10 that allows the gear 9 to be rotationally connected to the movable sleeve 4 or fixedly connected to the movable sleeve 4. . The gear brake 10 is a cylinder or an oil cylinder. The output end of the gear brake 10 is adapted to the position of the gear 9. When the output end moves forward, the output end will withstand the gear 9 so that the gear 9 cannot rotate, so that the rack 8 cannot move forward and backward. , to reach the fixed position of the support rod 3 and the support beam 2, when the output end of the gear brake 10 breaks away from the gear 9, the rack 8 can move back and forth in the movable sleeve 4 to adjust the length of the support beam 1.

Example 5

The structure and working principle of the present invention are basically the same as Embodiment 4, the difference is that, as shown in Figure 7, one end of the movable sleeve 4 is fixedly connected with the support rod 3 to form a fixed end 6, and the other end is connected with the rear support arm of the support beam 2 12 Active connection, the axial deviation elimination assembly 5 includes a rack 8 fixed at the end of the support beam 2 and inserted into the movable sleeve 4, and the movable sleeve 4 is provided with several rotatable connections with the movable sleeve 4 and connected with the rack 8 meshing gear 9, the movable sleeve 4 is also provided with a gear brake 10 that allows the gear 9 to be rotationally connected with the movable sleeve 4 or fixedly connected with the movable sleeve 4. The gear brake 10 has the same structure as shown in FIG. 4 .

Example 6

The structure and working principle of the present invention are basically the same as those of Embodiment 5, the difference being that, as shown in Figure 8, the front support arm 11 of the support beam 2 is fixedly connected with the movable sleeve 4, and the rear support arm 12 is fixedly connected with the tower crane 100, The support rod 3 is hinged to the slide rail assembly 14 .

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Although this article uses a lot of support beams 1, support beams 2, support rods 3, movable sleeves 4, axial deviation elimination components 5, fixed ends 6, top tightening drivers 7, racks 8, gears 9, gear brakes 10, Front support arm 11, rear support arm 12, socket pipe 13, slide rail assembly 14, slide rail 15, slope 15a, slider 16, first track plate 17, second track plate 18, third track plate 19, connecting plate 20. Terms such as slide rail brake 21, slide rail clamping plate 21a, tower crane 100, building 101, etc., but the possibility of using other terms is not excluded. These terms are used only for the purpose of describing and explaining the essence of the present invention more conveniently; interpreting them as any kind of additional limitation is against the spirit of the present invention.

Claims (10)

1. An axial deviation elimination mechanism for a supporting beam of a tower crane, comprising a supporting beam (1) connected to a tower crane, characterized in that, said supporting beam (1) includes a supporting beam whose axis lines coincide (2) and support rod (3), described support beam (2) and support rod (3) are connected with movable cover (4), and movable cover (4) is provided with a support beam (2) and The support rod (3) is fixedly connected or an axial deviation elimination assembly (5) for enabling the support beam (2) and the support rod (3) to move axially in the movable sleeve (4). 2. The axial deviation elimination mechanism for the support beam of the tower crane according to claim 1, characterized in that, one end of the movable sleeve (4) is fixedly connected with the support rod (3) to form a fixed end (6), The other end is movably connected with the support beam (2), and the axial deviation elimination assembly (5) includes a jacking driver (7) fixed in the movable sleeve (4) and located on the fixed end (6), the described The jacking drive (7) has an axially telescopic output end and can press against the end of the support beam (2) when the output end extends forward so that the support rod (3) and the support beam (2) are mutually pressed against each other. status. 3. The axial deviation elimination mechanism for the support beam of the tower crane according to claim 1, characterized in that, one end of the movable sleeve (4) is fixedly connected with the support rod (3) to form a fixed end (6), The other end is movably connected with the support beam (2), and the axial deviation elimination component (5) includes a rack (8) fixed at the end of the support beam (2) and inserted into the movable sleeve (4). The movable sleeve (4) is provided with some gears (9) that are connected in rotation with the movable sleeve (4) and meshed with the rack (8), and the movable sleeve (4) is also provided with a gear (9) that can be connected with the movable sleeve (9). A gear brake (10) that is rotationally connected to the sleeve (4) or fixedly connected to the movable sleeve (4). 4. The axial deviation elimination mechanism for the supporting beam of the tower crane according to claim 1, characterized in that, one end of the movable sleeve (4) is fixedly connected with the supporting beam (2) to form a fixed end (6), The other end is movably connected with the support rod (3), and the axial deviation elimination assembly (5) includes a tightening driver (7) fixed in the movable sleeve (4) and located on the fixed end (6). The jacking driver (7) has an axially telescopic output end and can press against the end of the support beam (2) when the output end extends forward so that the support rod (3) and the support beam (2) are mutually pressed against each other. status. 5. The axial deviation elimination mechanism for the supporting beam of the tower crane according to claim 1, characterized in that, one end of the movable sleeve (4) is fixedly connected with the supporting beam (2) to form a fixed end (6), The other end is movably connected with the support rod (3), and the axial deviation elimination assembly (5) includes a rack (8) fixed at the end of the support rod (3) and inserted into the movable sleeve (4). The movable sleeve (4) is provided with some gears (9) that are connected in rotation with the movable sleeve (4) and meshed with the rack (8), and the movable sleeve (4) is also provided with a gear (9) that can be connected with the movable sleeve (9). A gear brake (10) that is rotationally connected to the sleeve (4) or fixedly connected to the movable sleeve (4). 6. The axial deviation elimination mechanism for the support beam of the tower crane according to claim 1, characterized in that, the support beam (2) includes a front support arm (11) and a rear support arm whose axis lines coincide (12), front support arm (11) and rear support arm (12) are detachably connected with sleeve pipe (13). 7. The axial deviation elimination mechanism for the supporting beam of the tower crane according to claim 1, characterized in that, one end of the supporting beam (1) away from the tower crane is hinged with a slide rail assembly (14), so The axis line of the slide rail assembly (14) is perpendicular to the axis line of the supporting beam (1). 8. The axial deviation elimination mechanism for the support beam of tower crane according to claim 7, characterized in that, said slide rail assembly (14) comprises a slide rail ( 15) and the slide block (16) snap-fitted with the slide rail, and the slide block (16) is hinged with the support beam (1). 9. The axial deviation elimination mechanism for the supporting beam of the tower crane according to claim 8, characterized in that, the slide rail (15) is a detachable structure, comprising first rail plates opposite and parallel to each other (17) and the second track plate (18) and the 3rd track plate (19) perpendicular to the first track plate (17), the two ends of the 3rd track plate (19) are respectively bolted to connect the first track plate ( 17) and the second track plate (18). 10. The axial deviation elimination mechanism for the support beam of the tower crane according to claim 9, characterized in that, the slide rail (15) also includes a connecting plate ( 20), the first rail plate (17) is detachably fixedly connected to the connecting plate (20), and the slider (16) is provided with a Thereby the slide rail brake (21) that the position of slide rail (15) and slide block (16) is fixed.