Telescopic standard knot

Abstract

The utility model discloses a telescopic standard knot which comprises a first standard knot group and a second standard knot group. The second standard knot group is connected with the first standard knot group in a sliding mode. The power system is fixedly mounted on the standard knot group I, and one end of the power system is fixedly connected with the standard knot group II; the power system comprises a winch and a steel wire rope, one end of the steel wire rope is fixedly connected with the winch, and the other end of the steel wire rope is fixedly connected with the second standard knot set. The first standard knot set comprises a first standard knot, a second standard knot and a third standard knot, the second standard knot is fixedly installed at the upper end of the first standard knot, the third standard knot is fixedly installed at the upper end of the second standard knot, and the winch is fixedly installed on the first standard knot. The lifting and descending of the second standard knot group are realized by winding and unwinding the steel wire rope and controlling the second standard knot group, so that the problem of on-site initial installation height is solved, the use cost of auxiliary equipment of the initial installation crane is reduced, and the overall height can be quickly reduced, so that the safety degree and the typhoon resistance level of the tower crane are increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of cranes, and particularly relates to a telescopic standard section. Background Art

[0002] The tower crane, abbreviated as tower crane, also known as tower hoist, originated in Western Europe. It is a rotating crane with a jib installed on the upper part of a high tower. It has a large working space and is mainly used for the vertical and horizontal transportation of materials and the installation of building components in building construction.

[0003] Currently, when the tower crane is lowered, each standard section is removed and then hoisted to the ground. This has a high labor intensity, low work efficiency, requires a large space, and both disassembly and installation take a lot of time, with high requirements for space and time, which is not conducive to the requirements of convenient and rapid construction.

[0004] Therefore, it is necessary to improve the above-mentioned defects in the prior art to meet the actual use requirements and facilitate construction. Content of the Utility Model

[0005] The purpose of the utility model is to provide a telescopic standard section to solve the problems.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A telescopic standard section, comprising:

[0007] The first standard section group and the second standard section group, the second standard section group is slidably connected to the first standard section group;

[0008] The power system is fixedly installed on the first standard section group and is fixedly connected to one end of the second standard section group;

[0009] The power system includes: a winch and a steel wire rope. One end of the steel wire rope is fixedly connected to the winch, and the other end of the steel wire rope is fixedly connected to the second standard section group.

[0010] Preferably, the first standard section group includes the first standard section, the second standard section, and the third standard section. The second standard section and the third standard section are sequentially fixedly installed on the first standard section, and the winch is fixedly installed on the first standard section;

[0011] The second standard section group includes the fourth standard section, the fifth standard section, and the sixth standard section. The fifth standard section and the sixth standard section are sequentially fixedly installed on the fourth standard section;

[0012] The fourth standard section is slidably installed on the first standard section.

[0013] Preferably, a first guiding pulley is provided on the first standard section, a second guiding pulley is provided on the third standard section, and a third guiding pulley is provided on the fourth standard section. The steel wire ropes are respectively connected to the first guiding pulley, the second guiding pulley and the third guiding pulley.

[0014] Preferably, a fixed ear plate is fixedly installed on the fourth standard section. A locking buckle is fixedly installed at one end of the steel wire rope. One end of the steel wire rope is fixedly connected to the fixed ear plate through the locking buckle.

[0015] Preferably, the power system further includes a driving motor. A hydraulic pump is provided at the output end of the driving motor. A hydraulic motor is fixedly connected to the hydraulic pump. The hoist is fixedly connected to the hydraulic motor.

[0016] Preferably, a first connecting pin shaft is respectively provided between the first standard section, the second standard section and the third standard section.

[0017] Preferably, a second connecting pin shaft is respectively provided between the fourth standard section, the fifth standard section and the sixth standard section.

[0018] Preferably, a third connecting pin shaft is provided between the fourth standard section and the first standard section. The fourth standard section is slidably installed on the first standard section through the third connecting pin shaft.

[0019] The technical effects and advantages of the present utility model are as follows: The second standard section group is slidably connected to the first standard section group, and the lifting hoist is driven by a hydraulic motor to drive the steel wire rope to wind and unwind, thereby controlling the second standard section group, so that the height of the second standard section group is telescopic, and further the rising and falling of the second standard section group are realized, solving the problem of the initial installation height on site, reducing the use cost of the auxiliary equipment of the initial installation crane, and by adjusting the height between the first standard section group and the second standard section group, the height of the tower crane can be quickly reduced, so as to increase the safety degree of the tower crane and the resistance level to typhoons. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0021] Figure 2 is a schematic diagram of the structure of the first standard section group of the present utility model;

[0022] Figure 3 is a schematic diagram of the structure of the second standard section group of the present utility model;

[0023] Figure 4 is a schematic diagram of the side structure of the first standard section group of the present utility model;

[0024] Figure 5 is a schematic diagram of the contracted structure of the second standard section group of the present utility model.

[0025] In the figure: 1. Standard section group one; 11. Standard section one; 12. Standard section two; 13. Standard section three; 2. Standard section group two; 21. Standard section four; 22. Standard section five; 23. Standard section six;

[0026] 3. Power system; 31. Hoist; 32. Steel wire rope; 33. Lock; 34. Drive motor;

[0027] 4. Guide pulley one; 5. Guide pulley two; 6. Guide pulley three; 7. Fixed ear plate; 8. Connecting pin shaft one; 9. Connecting pin shaft two; 10. Connecting pin shaft three. Detailed implementation mode

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] The present invention provides a telescopic standard section as shown in Figure 1 or 5, including: standard section group one 1 and standard section group two 2, and standard section group two 2 is slidably connected to standard section group one 1; standard section group one 1 includes standard section one 11, standard section two 12 and standard section three 13, and standard section two 12 and standard section three 13 are fixedly installed on standard section one 11 in sequence, and the hoist 31 is fixedly installed on standard section one 11; standard section group two 2 includes standard section four 21, standard section five 22 and standard section six 23, and standard section five 22 and standard section six 23 are fixedly installed on standard section four 21 in sequence; standard section four 21 is slidably installed on standard section one 11. In actual use, taking standard section one 11 as the base point, standard section two 12 and standard section three 13 are installed on it in sequence and are fixedly connected by connecting pin shaft one 8, so that standard section one 11, standard section two 12 and standard section three 13 form an integral body with a basic height. When installing standard section four 21, standard section four 21 can be slidably connected to standard section one 11 through connecting pin shaft three 10, and standard section five 22 and standard section six 23 are installed on standard section four 21 in sequence through connecting pin shaft two 9, so that standard section four 21, standard section five 22 and standard section six 23 serve as the height that can extend upward. Among them, a power system 3 is arranged between standard section group one 1 and standard section group two 2 to realize that standard section group one 1 is the base point and the height of standard section group two 2 is the extended height. The steel wire rope 32 is wound by the hoist 31, so that the overall height meets the use requirements for use.

[0030] Specifically, the power system 3 is fixedly installed on the first standard section group 1 and is fixedly connected to the second standard section group 2 at one end. The power system 3 includes: a winch 31 and a steel wire rope 32. One end of the steel wire rope 32 is fixedly connected to the winch 31, and the other end of the steel wire rope 32 is fixedly connected to the second standard section group 2. The power system 3 further includes a driving motor 34. A hydraulic pump is provided at the output end of the driving motor 34. A hydraulic motor is fixedly connected to the hydraulic pump, and the winch 31 is fixedly connected to the hydraulic motor. Reference can be made to the attached Figure 1 , 2 As shown in FIGS. 3, when the second standard section 12 expands and contracts with the first standard section 11 as the reference point, the driving motor 34 can be started, so that the hydraulic pump drives the hydraulic motor to operate, the hydraulic motor drives the winch 31 to operate, and the steel wire rope 32 is wound. When driving the steel wire rope 32 to contract towards one end of the winch 31 on the first standard section 11, the overall length of the steel wire rope 32 will be reduced, driving the second standard section group 2 to slide upward as a whole, increasing the overall height, so as to facilitate construction at a higher position; when one end of the winch 31 is in the state of paying out the wire, the overall length of the steel wire rope 32 will increase, driving the second standard section group 2 to slide downward as a whole, reducing the overall height, adjusting the construction height. At the same time, the safety of the device and the typhoon resistance level can be increased to meet the purpose of safety and convenience in actual use.

[0031] Specifically, a first guiding pulley 4 is provided on the first standard section 11, a second guiding pulley 5 is provided on the third standard section 13, and a third guiding pulley 6 is provided on the fourth standard section 21. The steel wire rope 32 is respectively connected to the first guiding pulley 4, the second guiding pulley 5 and the third guiding pulley 6. A fixed ear plate 7 is fixedly installed on the fourth standard section 21. A lock 33 is fixedly installed at one end of the steel wire rope 32, and one end of the steel wire rope 32 is fixedly connected to the fixed ear plate 7 through the lock 33. Reference can be made to the attached Figure 1 , 2 As shown in FIGS. 4, when installing the steel wire rope 32, first bypass its two ends around the first guiding pulley 4 on the first standard section 11, the second guiding pulley 5 on the third standard section 13 and the third guiding pulley 6 on the fourth standard section 21 respectively. Finally, one end of the steel wire rope 32 is fixed to the fixed ear plate 7 on the third standard section 13 through the lock 33, so as to realize the contraction of the steel wire rope 32 by the winch 31, and further control the distance between the sixth standard section 23 and the ground, and further achieve the purpose of controlling the lifting of the second standard section group 2, so as to meet the height requirements in actual use.

[0032] Specifically, a first connecting pin 8 is respectively provided between the first standard section 11, the second standard section 12 and the third standard section 13. A second connecting pin 9 is respectively provided between the fourth standard section 21, the fifth standard section 22 and the sixth standard section 23. A third connecting pin 10 is provided between the fourth standard section 21 and the first standard section 11, and the fourth standard section 21 is slidably installed on the first standard section 11 through the third connecting pin 10. Reference can be made to the attachedFigure 2 , 3 As shown, the first standard section group 1 and the second standard section group 2 are fixedly connected through the first connecting pin shaft 8 and the second connecting pin shaft 9 respectively. The first standard section group 1 forms an integral body through the first connecting pin shaft 8 respectively, and the second standard section group 2 forms an integral body through the second connecting pin shaft 9 respectively. The first standard section group 1 and the second standard section group 2 are slidably connected through the third connecting pin shaft 10. In a slidable connection manner, the first standard section group 1 and the second standard section group 2 form a telescopic integral body. Among them, according to the actual use situation, standard sections with a certain height can be added to the first standard section group 1 and the second standard section group 2 respectively, and the newly added standard sections are added above and below the second standard section 12 and the fifth standard section 22 respectively to increase the overall height, meeting the height requirements during actual use, and referring to the installation of the power system 3 provided on the first standard section group 1 and the second standard section group 2 for use.

[0033] Working principle: The second standard section group 2 is slidably connected to the first standard section group 1, and the hydraulic motor drives the lifting winch to operate, thereby driving the wire rope 32 to wind and unwind to control the second standard section group 2, so that the height of the second standard section group 2 can be telescopic, and thus the rise and fall of the second standard section group 2 are realized, solving the problem of the initial installation height on site and reducing the use cost of the auxiliary equipment of the initial installation crane. By adjusting the height between the first standard section group 1 and the second standard section group 2, the height of the tower crane can be quickly reduced, so as to increase the safety of the tower crane and the resistance level to typhoons.

[0034] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A telescopic standard section, characterized in that: Comprising: A first standard section group (1) and a second standard section group (2), the second standard section group (2) being slidably connected to the first standard section group (1); A power system (3), the power system (3) being fixedly installed on the first standard section group (1) and having one end fixedly connected to the second standard section group (2); The power system (3) includes: a winch (31) and a steel wire rope (32), one end of the steel wire rope (32) being fixedly connected to the winch (31), and the other end of the steel wire rope (32) being fixedly connected to the second standard section group (2).

2. A telescopic standard section according to claim 1, wherein: The first standard section group (1) includes a first standard section (11), a second standard section (12) and a third standard section (13), the second standard section (12) and the third standard section (13) being fixedly installed on the first standard section (11) in sequence, and the winch (31) being fixedly installed on the first standard section (11); The second standard section group (2) includes a fourth standard section (21), a fifth standard section (22) and a sixth standard section (23), the fifth standard section (22) and the sixth standard section (23) being fixedly installed on the fourth standard section (21) in sequence; The fourth standard section (21) is slidably installed on the first standard section (11).

3. A telescopic standard section according to claim 2, wherein: A first guiding pulley (4) is provided on the first standard section (11), a second guiding pulley (5) is provided on the third standard section (13), a third guiding pulley (6) is provided on the fourth standard section (21), and the steel wire rope (32) is respectively connected to the first guiding pulley (4), the second guiding pulley (5) and the third guiding pulley.

4. A telescopic standard section according to claim 3, wherein: A fixed ear plate (7) is fixedly installed on the fourth standard section (21), a locking buckle (33) is fixedly installed at one end of the steel wire rope (32), and one end of the steel wire rope (32) is fixedly connected to the fixed ear plate (7) through the locking buckle (33).

5. A telescopic standard section according to claim 1, wherein: The power system (3) further includes a driving motor (34), the output end of the driving motor (34) is provided with a hydraulic pump, a hydraulic motor is fixedly connected to the hydraulic pump, and the winch (31) is fixedly connected to the hydraulic motor.

6. A telescopic standard section according to claim 2, wherein: Connecting pin shafts one (8) are respectively provided between the first standard section (11), the second standard section (12) and the third standard section (13).

7. A telescopic standard section according to claim 2, wherein: Connecting pin shafts two (9) are respectively provided between the fourth standard section (21), the fifth standard section (22) and the sixth standard section (23).

8. A telescopic standard section according to claim 2, wherein: A third connecting pin shaft (10) is arranged between the fourth standard section (21) and the first standard section (11), and the fourth standard section (21) is slidably mounted on the first standard section (11) through the third connecting pin shaft (10).

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