阅读说明：本技术 塔机钢丝绳预紧锁定装置 (Tower crane wire rope pretension locking device ) 是由 钟晓沧 赫鑫 蒲全廷 陈明纯 于 2020-07-20 设计创作，主要内容包括：本发明公开一种塔机钢丝绳预紧锁定装置,涉及塔式起重机柔性附着技术领域,包括：支架、套环、支撑滑轮、扣板和钢丝绳夹。套环设置于支架上以用于固定附着钢丝绳第一端。支撑滑轮与支架可转动地相连接,扣板与支架固定连接且位于支撑滑轮的远离套环的一侧。扣板向下延伸,以使附着钢丝绳第二端绕过支撑滑轮后能够搭在扣板上。扣板上还设有用于固定附着钢丝绳的钢丝绳夹。支架上还设有用于与塔机附着框连接的连接部。如此设置,能够简单方便地对附着钢丝绳进行预紧并在预紧后对附着钢丝绳进行固定,有效地解决了现有技术中柔性附着不便于预紧和锁定的问题。(The invention discloses a tower crane steel wire rope pre-tightening locking device, which relates to the technical field of tower crane flexible attachment and comprises the following components: support, lantern ring, support pulley, buckle and wire rope clamp. The lantern ring sets up on the support in order to be used for fixed the first end of adhering to wire rope. The supporting pulley is rotatably connected with the bracket, and the pinch plate is fixedly connected with the bracket and is positioned on one side of the supporting pulley, which is far away from the lantern ring. The pinch plate extends downwards to enable the second end of the attached steel wire rope to pass through the supporting pulley and then to be lapped on the pinch plate. The pinch plate is also provided with a steel wire rope clamp for fixing the attached steel wire rope. The support is also provided with a connecting part used for being connected with the tower crane attachment frame. So set up, can carry out the pretension to attaching to wire rope simply conveniently and fix attaching to wire rope after the pretension, solved the problem that flexible adhesion is not convenient for pretension and locking among the prior art effectively.)

1. A tower machine wire rope pretension locking device which characterized in that includes: support, the lantern ring, supporting pulley, buckle and wire rope press from both sides, the lantern ring set up in order to be used for the first end of fixed steel wire rope that adheres to on the support, supporting pulley with the support rotationally is connected, the buckle with support fixed connection just is located keeping away from of supporting pulley one side of the lantern ring, buckle downwardly extending, so that adhere to wire rope second end and walk around can take behind the supporting pulley on the buckle, still be equipped with on the buckle and be used for fixing adhere to wire rope adhere to the wire rope presss from both sides, still be equipped with on the support and be used for adhering to the connecting portion that the frame is connected with the tower machine.

2. The tower crane steel wire rope pre-tightening locking device as claimed in claim 1, wherein the bracket comprises two main boards, the two main boards are arranged in parallel and fixedly connected through at least two connecting boards, one end of each of the two connecting boards is fixedly connected with one of the two main boards, the other end of each of the two connecting boards is fixedly connected with the other of the two main boards, the lantern ring and the supporting pulley are located between the two main boards, and two sides of the pinch plate are respectively in one-to-one correspondence and fixed connection with the two main boards.

3. The tower crane steel wire rope pre-tightening locking device as claimed in claim 2, wherein the lantern ring is connected with the two main boards through a pivot, the two main boards are respectively provided with a first mounting hole for two ends of the pivot to extend into, and the lantern ring is sleeved on the pivot.

4. The tower crane steel wire rope pre-tightening locking device as claimed in claim 3, wherein first reinforcing plates for lengthening the axial length of the first mounting hole are respectively arranged on the two main plates, the first reinforcing plates are annular, an inner hole of each first reinforcing plate is coaxially arranged with the corresponding first mounting hole, and the diameter of the inner hole of each first reinforcing plate is the same as that of the corresponding first mounting hole.

5. The tower crane steel wire rope pre-tightening locking device as claimed in claim 2, wherein the supporting pulley is connected with the two main boards through a rotating shaft, the two main boards are respectively provided with a second mounting hole for two ends of the rotating shaft to extend into, and the supporting pulley is sleeved on the rotating shaft.

6. The tower crane steel wire rope pre-tightening locking device as claimed in claim 5, wherein second reinforcing plates for lengthening the axial length of the second mounting hole are respectively arranged on the two main plates, the second reinforcing plates are annular, an inner hole of each second reinforcing plate is coaxially arranged with the corresponding second mounting hole, and the diameter of the inner hole of each second reinforcing plate is the same as that of the corresponding second mounting hole.

7. The tower crane steel wire rope pre-tightening locking device as claimed in claim 2, wherein the connecting part comprises a pin shaft, and third mounting holes for two ends of the pin shaft to extend into are respectively formed in the two main boards.

8. The tower crane steel wire rope pre-tightening locking device as claimed in claim 7, wherein a third reinforcing plate for lengthening the axial length of the third mounting hole is arranged on each of the two main plates, the third reinforcing plate is annular, an inner hole of the third reinforcing plate is coaxially arranged with the third mounting hole, and the diameter of the inner hole of the third reinforcing plate is the same as that of the third mounting hole.

9. The tower crane steel wire rope pre-tightening locking device according to claim 1, wherein a reinforcing rib plate is arranged on at least one side of the buckling plate.

Technical Field

The invention relates to the technical field of flexible attachment of tower cranes, in particular to a tower crane steel wire rope pre-tightening locking device.

Background

With the rapid development of national economy, thermal power generation still is the main energy output form, and the traditional construction of the cooling tower between the hyperbolic lines adopted by a thermal power plant mostly adopts a combined derrick form, but the efficiency is low, and the cooling tower is not suitable for the cooling tower between the large hyperbolic lines. Therefore, most construction units adopt a tower crane (hereinafter referred to as a tower crane) installed in the center of an indirect cooling tower as a vertical hoisting machine. In the prior art, the tower crane mostly adopts rigid attachment to keep the stability of the tower body of the tower crane, but because the diameter of a cooling tower between double-curve lines is too large, the rigid attachment form of the traditional tower crane does not meet the attachment distance of dozens of meters or even nearly hundred meters.

Therefore, the soft attachment becomes an important attachment mode of the tower crane. The existing pre-tightening device for soft attachment of the tower crane generally comprises a pulley block arranged on the inner wall of a building structure, the pulley block arranged on an attachment frame of the tower crane and a steel wire rope, wherein the steel wire rope is wound between an inner wall pulley assembly and the pulley block of the attachment frame to form an attachment form of multi-time flexible attachment. However, with this form of soft attachment, it is not easy to fix after pre-stressing the steel cord. Therefore, how to solve the problem that the flexible attachment is not convenient for fixation after pre-tightening in the prior art is a technical problem that needs to be solved urgently by those skilled in the art.

Disclosure of Invention

In order to solve the technical problems, the invention provides a tower crane steel wire rope pre-tightening locking device which can conveniently lock and fix an attached steel wire rope after pre-tightening.

In order to achieve the purpose, the invention provides the following scheme:

the invention provides a tower crane steel wire rope pre-tightening locking device, which comprises: support, the lantern ring, supporting pulley, buckle and wire rope press from both sides, the lantern ring set up in order to be used for the first end of fixed steel wire rope that adheres to on the support, supporting pulley with the support rotationally is connected, the buckle with support fixed connection just is located keeping away from of supporting pulley one side of the lantern ring, buckle downwardly extending, so that adhere to wire rope second end and walk around can take behind the supporting pulley on the buckle, still be equipped with on the buckle and be used for fixing adhere to wire rope adhere to the wire rope presss from both sides, still be equipped with on the support and be used for adhering to the connecting portion that the frame is connected with the tower machine.

Further, the support includes two mainboards, two the mainboard parallel arrangement each other and through two at least connecting plate fixed connection, two equal one end of connecting plate and two in the mainboard fixed connection, the other end and another one fixed connection in two mainboards, the lantern ring the supporting pulley all is located two between the mainboard, the both sides of buckle respectively with two mainboard one-to-one and fixed connection.

Furthermore, the lantern ring is connected with the two main boards through a pivot, the two main boards are respectively provided with a first mounting hole for two ends of the pivot to extend into, and the lantern ring is sleeved on the pivot.

Further, two be equipped with respectively on the mainboard and be used for the extension first mounting hole axial length's first reinforcing plate, first reinforcing plate is cyclic annular, first reinforcing plate hole with first mounting hole coaxial setting, and first reinforcing plate hole diameter with first mounting hole diameter is the same.

Furthermore, the supporting pulleys are connected with the two main boards through a rotating shaft, the two main boards are respectively provided with a second mounting hole for the two ends of the rotating shaft to extend into, and the supporting pulleys are sleeved on the rotating shaft.

Further, two be equipped with respectively on the mainboard and be used for the extension second mounting hole axial length's second reinforcing plate, the second reinforcing plate is cyclic annular, the second reinforcing plate hole with the coaxial setting of second mounting hole, and second reinforcing plate hole diameter with second mounting hole diameter is the same.

Furthermore, the connecting portion comprises a pin shaft, and the two main boards are respectively provided with a third mounting hole for the two ends of the pin shaft to extend into.

Further, two be equipped with respectively on the mainboard and be used for the extension third mounting hole axial length's third reinforcing plate, the third reinforcing plate is cyclic annular, the third reinforcing plate hole with the coaxial setting of third mounting hole, and third reinforcing plate hole diameter with third mounting hole diameter is the same.

Furthermore, at least one side of the pinch plate is provided with a reinforcing rib plate.

Compared with the prior art, the invention has the following technical effects:

the invention discloses a tower crane steel wire rope pre-tightening locking device, which comprises: support, lantern ring, support pulley, buckle and wire rope clamp. The lantern ring sets up on the support in order to be used for fixed the first end of adhering to wire rope. The supporting pulley is rotatably connected with the bracket, and the pinch plate is fixedly connected with the bracket and is positioned on one side of the supporting pulley, which is far away from the lantern ring. The pinch plate extends downwards to enable the second end of the attached steel wire rope to pass through the supporting pulley and then to be lapped on the pinch plate. The pinch plate is also provided with a steel wire rope clamp for fixing the attached steel wire rope. The support is also provided with a connecting part used for being connected with the tower crane attachment frame.

When the tension meter is used, the support is connected with the tower crane attachment frame through the connecting portion, then the first end of the attached steel wire rope is fixed to the lantern ring, the second end of the attached steel wire rope penetrates through the fixed pulley arranged on the inner wall of a building, the second end of the attached steel wire rope penetrates through the fixed pulley on the inner wall of the building and then penetrates through the supporting pulley, the attached steel wire rope penetrating through the supporting pulley passes through the buckle plate, then the second end of the attached steel wire rope is connected with the tension meter, the tension meter is connected with the guide chain, the tension meter is pulled through the guide chain, the attached steel wire rope is pulled through the tension meter, and when the tension meter reaches a correct tension value, the attached steel wire rope is fixed through the steel wire rope clamp on the buckle. So set up, can carry out the pretension to attaching to wire rope simply conveniently and fix attaching to wire rope after the pretension, solved the problem that flexible adhesion is not convenient for pretension and locking among the prior art effectively.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a tower crane steel wire rope pre-tightening locking device in the embodiment of the invention;

FIG. 2 is a top view of a tower crane steel wire rope pre-tightening locking device in the embodiment of the invention;

FIG. 3 is a schematic view of the use state of a tower crane steel wire rope pre-tightening locking device in the embodiment of the invention.

Description of reference numerals: 1. a collar; 2. a support pulley; 3. buckling the plate; 4. a steel wire rope clamp; 5. attaching a steel wire rope; 6. a main board; 7. a connecting plate; 8. a first mounting hole; 9. a first reinforcing plate; 10. a second mounting hole; 11. a second reinforcing plate; 12. a third mounting hole; 13. a third reinforcing plate; 14. reinforcing rib plates; 15. a support; 16. a building body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

As shown in fig. 1 to 3, a tower crane steel wire rope pretension locking device provided by the embodiment of the invention comprises: support, lantern ring 1, support pulley 2, buckle 3 and wire rope clamp 4. The lantern ring 1 is arranged on the bracket and used for fixedly attaching the first end of the steel wire rope 5. For example, referring to fig. 3, the first end of the attached steel wire rope 5 is passed around the collar 1 and then is fastened by the steel wire rope clamp 4 to be fitted over the collar 1. The supporting pulley 2 is rotatably connected with the bracket, and the pinch plate 3 is fixedly connected with the bracket and is positioned on one side of the supporting pulley 2, which is far away from the lantern ring 1. The pinch plate 3 extends downwards to enable the second end of the attached steel wire rope 5 to be lapped on the pinch plate 3 after bypassing the supporting pulley 2, and the pinch plate 3 is further provided with a steel wire rope clamp 4 for fixing the attached steel wire rope 5. It should be noted that the wire rope clip 4 belongs to the prior art, and the construction principle thereof is not described in detail. Of course, the structure of the wire rope clip 4 can be adjusted according to actual needs when in use, for example, the screw portion of the wire rope clip 4 can be lengthened, and the top of the screw can protrude from the end surface of the outer nut after the double anti-loosening nut is screwed on the screw. The steel wire rope clamp 4 is generally of a U-shaped structure, two screw rod parts of the steel wire rope clamp penetrate through the pinch plate 3 and are screwed with the nuts, the steel wire rope 5 attached to the steel wire rope clamp 4 penetrates through the pinch plate 3, the nuts are screwed during fastening, and the steel wire rope clamp 4 can fix the attached steel wire rope 5 to the pinch plate 3. Alternatively, the number of the wire rope clamps 4 is plural, and the plural wire rope clamps 4 are distributed along the extending direction of the pinch plate 3. The support is also provided with a connecting part used for being connected with the tower crane attachment frame.

The concrete use process of the tower crane steel wire rope pre-tightening locking device is as follows: when the tower crane is attached, firstly, the tower crane is determined to be attached by a plurality of groups of steel wire ropes. For example, in this embodiment, the tower crane needs eight groups of steel wire ropes to be attached, and when the tower crane is attached, the eight groups of steel wire ropes are distributed into two layers, four groups of steel wire ropes are arranged on each layer, and four groups of steel wire ropes on each layer are distributed along the circumferential direction of the tower crane. Then, when the building main body 16 is poured, embedded parts are arranged in the building main body 16, each group of steel wire ropes corresponds to two embedded parts, and the two embedded parts are distributed along the vertical direction. Then, the brackets 15 with the pulleys are fixed to the embedment by bolts.

Then, the tower crane steel wire rope pre-tightening locking device is connected with the tower crane attachment frame, and as shown in fig. 3, the first end of the attachment steel wire rope 5 penetrates through the lantern ring 1 to be made into a rope buckle and fixed through the steel wire rope clamp 4, so that the first end of the attachment steel wire rope 5 is fixedly connected with the lantern ring 1. Then, the second end of the steel cable is sequentially passed through two pulleys provided on the inner wall of the building body 16 from bottom to top. After passing through the two pulleys, the second end of the steel wire rope 5 passes through the steel wire rope clamp 4 on the supporting pulley 2 and the pinch plate 3 in sequence. And then the second end of the attached steel wire rope 5 is connected with a tension meter, and the tension meter is connected with the guide chain. The tension meter is pulled through the guide chain, the attached steel wire rope 5 is pulled through the tension meter, and when the tension meter reaches the correct tension value, the attached steel wire rope 5 is fixed through the steel wire rope clamp 4 on the buckle plate 3, so that pre-tightening and fixing of the attached steel wire rope 5 are completed. The other seven groups of steel wire ropes can be pre-tightened and fixed by referring to the steps. So set up, can be simply conveniently carry out the pretension to adhering to wire rope 5 and fix adhering to wire rope 5 after the pretension, solved the problem that flexible adhesion is not convenient for pretension and locking among the prior art effectively.

Referring to fig. 2, in some embodiments, the bracket comprises two main plates 6, and the two main plates 6 are arranged parallel to each other and fixedly connected by at least two connecting plates 7. For example, two main boards 6 shown in fig. 2 are fixedly connected by two connecting boards 7. Two connecting plates 7 are all one end and one of two mainboards 6 fixed connection, and the other end and another one of two mainboards 6 fixed connection. For example, the two connecting plates 7 are fixedly connected to the two main plates 6 by welding. The lantern ring 1 and the supporting pulley 2 are both positioned between the two main plates 6. The two sides of the pinch plate 3 correspond to the two main boards 6 one by one and are fixedly connected with the two main boards, for example, the pinch plate 3 can also be fixedly connected with the main boards 6 in a welding mode. So set up, tower machine wire rope pretension locking device's simple structure, the manufacturing of being convenient for.

In some embodiments, the lantern ring 1 is connected with the two main boards 6 through a pivot, the two main boards 6 are respectively provided with a first mounting hole 8 for two ends of the pivot to extend into, and the lantern ring 1 is sleeved on the pivot. In order to reduce the weight of the tower crane steel wire rope pre-tightening locking device, the thickness of the main plate 6 can be reduced, and after the thickness of the main plate 6 is reduced, the length of the first mounting hole 8 is also reduced, so that the contact surface between the pivot and the first mounting hole 8 is reduced, the pressure of the contact surface is increased, and the pivot or the first mounting hole 8 is easier to damage. Therefore, in some embodiments, the two main plates 6 are respectively provided with a first reinforcing plate 9 for increasing the axial length of the first mounting hole 8. First reinforcing plate 9 is cyclic annular, and 9 bores of first reinforcing plate set up with first mounting hole 8 is coaxial, and 9 bores of first reinforcing plate diameter are the same with 8 diameters of first mounting hole. Like this, can be when not increasing 6 whole thickness of mainboard, the length of extension first mounting hole 8, increase pivot and the active area of first mounting hole 8, reduce the pressure between the two, prolong tower machine wire rope pretension locking device's life. Alternatively, two first reinforcing plates 9 are respectively disposed on the opposite faces of the two main plates 6, and the first reinforcing plates 9 may be fixedly connected to the main plates 6 by welding.

In some embodiments, the supporting pulley 2 is connected to the two main boards 6 through a rotating shaft, the two main boards 6 are respectively provided with a second mounting hole 10 for two ends of the rotating shaft to extend into, and the supporting pulley 2 is sleeved on the rotating shaft. Optionally, the two main boards 6 are respectively provided with a second reinforcing plate 11 for increasing the axial length of the second mounting hole 10, the second reinforcing plate 11 is annular, an inner hole of the second reinforcing plate 11 is coaxially arranged with the second mounting hole 10, and the diameter of the inner hole of the second reinforcing plate 11 is the same as that of the second mounting hole 10. The function and effect are the same as those of the first reinforcing plate 9 described in the previous embodiment, and are not described again. Alternatively, two second reinforcing plates 11 are respectively disposed on the opposite faces of the two main plates 6, and the second reinforcing plates 11 may be fixedly connected to the main plates 6 by welding.

In some embodiments, the connecting portion includes a pin, and the two main boards 6 are respectively provided with third mounting holes 12 for two ends of the pin to extend into. Two ends of the pin shaft are respectively installed in the two third installation holes 12, and the tower crane attachment frame can be connected with the pin shaft through a steel wire rope. Optionally, the two main plates 6 are respectively provided with a third reinforcing plate 13 for increasing the axial length of the third mounting hole 12. The third reinforcing plate 13 is annular, and the hole of the third reinforcing plate 13 is coaxial with the third mounting hole 12, and the diameter of the hole of the third reinforcing plate 13 is the same as that of the third mounting hole 12. The function and effect are the same as those of the second reinforcing plate 11 described in the previous embodiment, and are not described in detail. Alternatively, two third reinforcing plates 13 are respectively disposed on the opposite faces of the two main plates 6, and the third reinforcing plates 13 may be fixedly connected to the main plates 6 by welding.

Referring to fig. 1-2, at least one side of the gusset plate 3 is provided with a gusset plate 14. So set up, can improve buckle 3's rigidity, prevent that buckle 3 from crooked. For example, reinforcing rib plates 14 are respectively arranged on two sides of the gusset plate 3, and the two reinforcing rib plates 14 are respectively welded with the gusset plate 3.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.