CN209815441U

CN209815441U - Floating cable pulley

Info

Publication number: CN209815441U
Application number: CN201920475455.7U
Authority: CN
Inventors: 李志国; 李丁; 鲍会丽; 田学坤; 陈浩; 刘禹; 王鑫; 赵进昌; 张洪宁; 刘岗; 王谦; 卢兰兰
Original assignee: Langfang Construction Engineering Safety Supervision Station; Institute of Building Mechanization of Chinese Academy of Building Research; Langfang Kaibo Construction Machinery Technology Co Ltd
Current assignee: Langfang Construction Engineering Safety Supervision Station; Institute of Building Mechanization of Chinese Academy of Building Research; Langfang Kaibo Construction Machinery Technology Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2019-12-20
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a floating cable pulley relates to construction elevator power supply technical field, include: the device comprises a sliding frame, a roller frame, a first roller and a second roller; the first idler wheel and the second idler wheel are respectively connected to the upper portion and the lower portion of the idler wheel frame in a rotating mode, the side walls of the first idler wheel and the second idler wheel are connected with the main chord in a sliding mode, the idler wheel frame located on one side of the main chord is hinged to the sliding trolley frame, the idler wheel frame located on the other side of the main chord is fixedly connected with the sliding trolley frame, the technical defect that the pulley is clamped on the main chord easily due to the fact that the existing idler wheel is fixedly arranged is overcome, and the adjusting range of the gap between the idler wheel and the main chord of the floating cable pulley can be enlarged so that the possibility that the floating cable pulley passes through.

Description

Floating cable pulley

Technical Field

The utility model relates to a construction elevator power supply technical field especially relates to a floating cable pulley.

Background

At present, a construction elevator becomes a preferred construction machine capable of vertically conveying personnel and materials on a construction site, the power supply mode of the construction elevator mainly comprises two modes of power supply of a cable drum and power supply of a cable pulley, the power supply of the cable drum is mainly used when the height of a building is lower than 50 meters, and the power supply of the cable pulley is basically adopted when the height of the building is higher. As shown in figure 1, one end of a cable is fixed on the guide rail frame through a cable protective frame through a cable ram, and the other end of the cable is connected into the suspension cage through a cable arm.

4 gyro wheels of current cable coaster are fixed form, because the design clearance between gyro wheel and the standard festival main chord member is the fixed value, if there are welding slag, foreign matter, greasy dirt etc. on the main chord member surface between the standard festival main chord member in the lift operation, then when clearance between gyro wheel and the main chord member surpassed the design tolerance value, the coaster will block and die on the guide rail frame, if the cage continues to keep the running state this moment, very easily leads to the cable to be broken.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a floating cable pulley to solve the problem that above-mentioned prior art exists, the adjustment range in clearance passes through in order to improve floating cable pulley between the gyro wheel of increase floating cable pulley and the main chord member.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a floating type cable pulley, which comprises a pulley frame, a roller frame, a first roller and a second roller; the first idler wheel and the second idler wheel are respectively and rotatably connected to the upper portion and the lower portion of the idler wheel frame, the first idler wheel and the second idler wheel are both used for being in sliding connection with the main chord, the idler wheel frame located on one side of the main chord is hinged to the sliding trolley frame, and the idler wheel frame located on the other side of the main chord is fixedly connected with the sliding trolley frame.

Preferably, the middle part of the roller frame positioned on the left side of the main chord is hinged on the sliding frame.

Preferably, the first roller is rotatably connected to the upper portion of the roller frame, and the second roller is rotatably connected to the lower portion of the roller frame.

Preferably, the number of the first rollers is equal to the number of the second rollers, and the first rollers are all multiple.

Preferably, the floating cable pulley further comprises a plurality of roller shafts, one end of each roller shaft is fixedly connected to the roller frame, and the first roller and the second roller are respectively connected with one roller shaft in a rotating manner.

Preferably, the floating cable pulley further comprises a roller protection plate, wherein the roller protection plate is fixedly connected to the lower surface of the roller frame, is positioned above the first roller and the second roller, and is used for preventing falling foreign matters from falling into gaps between the first roller and the main chord and between the second roller and the main chord during operation.

Preferably, the number of the roller protection plates is multiple.

Preferably, the floating cable pulley further comprises a pulley wheel, the pulley wheel is rotatably connected to the pulley frame, a wheel groove is formed in the pulley wheel, and the cable bypasses along the wheel groove.

The utility model discloses for prior art gain following technological effect:

the utility model provides a floating cable pulley articulates on the rolling wheel frame through the gyro wheel frame that is located main chord member one side to the gyro wheel frame fixed connection that will be located main chord member opposite side in the rolling wheel frame, when making floating coaster run into the barrier on main chord member, the gyro wheel frame that is located main chord member one side can be around its pin joint rotation certain angle, with the clearance between first gyro wheel and the second gyro wheel that the increase is located the gyro wheel frame of main chord member one side and the main chord member, thereby improve the possibility that floating cable pulley passes through on the main chord member.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the floating cable pulley provided by the present invention when the first roller encounters a foreign object during operation;

fig. 2 is a schematic structural view of the floating cable pulley provided by the present invention when the second roller encounters a foreign object during operation;

fig. 3 is the utility model provides a floating cable pulley overlooks the structure chart.

Wherein: 1-first roller, 2-second roller, 3-roller frame, 4-sliding frame, 5-sliding wheel, 6-roller protecting plate, 7-main chord and A-hinged point.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model aims at providing a floating cable pulley to solve the problem that prior art exists, the adjustment range in clearance passes through in order to improve floating cable pulley between the gyro wheel of increase floating cable pulley and the main chord member.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in FIGS. 1 to 3: the embodiment provides a floating cable pulley, which comprises a pulley frame 4, a roller frame 3, a first roller 1 and a second roller 2; the first roller 1 and the second roller 2 are respectively connected with the upper part and the lower part of the roller frame 3 in a rotating way, the first roller 1 and the second roller 2 are both used for being connected with the main chord 7 in a sliding way, the roller frame 3 positioned on one side of the main chord 7 is hinged with the sliding vehicle frame 4, the roller frame 3 positioned on the other side of the main chord 7 is fixedly connected with the sliding vehicle frame 4, when the first roller hinged on the roller frame 3 on the sliding vehicle frame 4 is contacted with foreign matters in the running process of the floating type sliding vehicle, the roller frame 3 hinged on one side can rotate around a hinge point by a certain angle under the interference action of the foreign matters so as to increase the gap between the first roller 1 positioned on the upper part and the main chord 7, so that the first roller 1 can smoothly pass through the foreign matters, when the second roller 2 encounters the foreign matters, the roller frame 3 hinged on one side can rotate around the hinge point by a certain angle under the action of the foreign matters so as to increase the gap between the second roller 2 positioned on the lower part of, therefore, the whole floating type cable pulley can smoothly pass through the main chord 7 with foreign matters, and the possibility of passing through the floating type cable pulley is improved.

The middle part of the roller frame 3 positioned on the left side of the main chord 7 is hinged on the sliding frame 4, and the hinged point A can be arranged at other positions of the roller frame 3 according to actual requirements.

The first roller 1 is rotatably connected to the upper part of the roller frame 3, and the second roller 2 is rotatably connected to the lower part of the roller frame 3, so that the arrangement is beneficial to reducing the friction between the first roller 1 and the second roller 2 and the main chord 7 in the operation process of the whole device.

The number of the first rollers 1 is equal to that of the second rollers 2, and the first rollers are multiple, so that the whole device can stably operate.

The floating cable pulley also comprises a plurality of roller shafts, one end of each roller shaft is fixedly connected to the roller frame 3, and the first roller 1 and the second roller 2 are respectively connected with one roller shaft in a rotating way.

The floating cable pulley further comprises a roller protection plate 6, wherein the roller protection plate 6 is fixedly connected to the lower surface of the roller frame and is positioned above the first roller 1 and the second roller 2, and foreign matters falling during operation are prevented from falling into gaps between the first roller 1 and the second roller 2 and the main chord 7, so that the floating cable pulley is prevented from continuously operating.

The number of the roller protection plates 6 is multiple, and one roller protection plate 6 is arranged on each first roller 1 and each second roller 1.

The floating cable pulley further comprises a pulley wheel 5, the pulley wheel 5 is rotatably connected to the pulley frame 4, a wheel groove is formed in the pulley wheel 5, and the cable bypasses along the wheel groove.

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 the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A floating cable pulley which is characterized in that: comprises a sliding frame, a roller frame, a first roller and a second roller; the first idler wheel and the second idler wheel are respectively and rotatably connected to the upper portion and the lower portion of the idler wheel frame, the first idler wheel and the second idler wheel are both used for being in sliding connection with the main chord, the idler wheel frame located on one side of the main chord is hinged to the sliding trolley frame, and the idler wheel frame located on the other side of the main chord is fixedly connected with the sliding trolley frame.

2. A floating cable tackle as claimed in claim 1, wherein: the middle part of the roller carrier positioned on the left side of the main chord is hinged on the sliding frame.

3. A floating cable tackle as claimed in claim 1, wherein: the first roller is rotatably connected to the upper part of the roller frame, and the second roller is rotatably connected to the lower part of the roller frame.

4. A floating cable tackle as claimed in claim 1, wherein: the number of the first rollers is equal to that of the second rollers, and the first rollers are multiple.

5. A floating cable tackle as claimed in claim 1, wherein: the first roller and the second roller are respectively in rotating connection with one roller shaft.

6. A floating cable tackle as claimed in claim 1, wherein: the roller protection plate is fixedly connected to the lower surface of the roller frame, is positioned above the first roller and the second roller and used for preventing falling foreign matters during operation from falling into gaps between the first roller and the second roller and the main chord.

7. A floating cable tackle as claimed in claim 6, wherein: the number of the roller protection plates is multiple.

8. A floating cable tackle as claimed in claim 1, wherein: the trolley is characterized by further comprising a trolley wheel, the trolley wheel is rotationally connected to the trolley frame, a wheel groove is formed in the trolley wheel, and the cable bypasses along the wheel groove.