CN212798356U

CN212798356U - Novel pulley

Info

Publication number: CN212798356U
Application number: CN202021367291.5U
Authority: CN
Inventors: 王骏; 王洋洋; 张硕; 张凯; 解昊; 蒋森屹; 姬俊国; 邓子辉; 徐宏勋; 李卫东
Original assignee: Shangqiu Power Supply Co of State Grid Henan Electric Power Co Ltd
Current assignee: Shangqiu Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-26
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a novel pulley, including the coaster, fixed mounting has self-lock device on the coaster, and self-lock device includes from lock frame, fixed block and movable block, and the slide has been seted up to one side of fixed block, the inside fixedly connected with articulated elements of activity, one side swing joint of articulated elements has one-way tooth that blocks. This novel coaster, extension coaster lower extreme metal position on the basis of old-fashioned coaster, and transversely install rope self-lock device additional, this coaster application method is simple, the security is high, low cost, not only can make the heavy object safe and reliable more at the transmission process, can also make things convenient for ground stay cord personnel to trade power more, the transmission efficiency is improved, when multiplexer utensil passes through the rope and goes up personnel's transmission to the tower, through the decurrent elastic support power of spring, can compress tightly the rope of laminating constantly, barb through one-way blocking on the tooth improves the fixed effect to the rope, cushion and support the tenesmus of heavy object, avoid stay cord personnel's hand smooth and cause the heavy object tenesmus to pound ground.

Description

Novel pulley

Technical Field

The utility model belongs to the technical field of the coaster, concretely relates to novel coaster.

Background

At present, transmission line overhauls the in-process, the multiplexer utensil all needs ground personnel to pass through the rope to the transmission of operation personnel on the tower, and when using current old-fashioned coaster to transmit, on the one hand, the iron tower height is higher, need trade power many times in the transmission process heavy object, make the stay cord personnel need pay out very big physical power, and current old-fashioned coaster trades the power clearance little, the rope trades the power and draws the difficulty, waste time and energy, transmission speed is slow, on the other hand the heavy object is relatively poor at transmission process stability, the stay cord personnel can appear and cause the heavy object to drop down suddenly and pound the ground because of the hand slip, harm life safety, there is the potential safety hazard.

Therefore, it is necessary to provide a new type of tackle to solve the above problems.

Disclosure of Invention

An object of the utility model is to provide a novel coaster to propose current old-fashioned coaster rope and trade power and draw the difficulty in solving above-mentioned background art, waste time and energy, transmission speed is slow, and the heavy object is relatively poor at transmission process stability, has the problem of potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: a novel pulley comprises a pulley body, wherein a self-locking device is fixedly installed on the pulley body and comprises a self-locking frame, a fixed block and a movable block, a slide way is formed in one side of the fixed block, an articulated element is fixedly connected to the inside of the movable block, a one-way blocking tooth is movably connected to one side of the articulated element, a fixed plate is fixedly connected to one side of the upper surface of the movable block, a spring is fixedly connected to the bottom of the fixed plate, the bottom of the spring is fixedly connected with the upper surface of the one-way blocking tooth, a limiting groove is formed in one side, away from the fixed block, of the self-locking frame, a threaded cylinder is fixedly connected to one side of the movable block, the threaded cylinder is located inside the limiting groove, an inner threaded groove is formed in the threaded cylinder, a bearing is fixedly connected to one end of the limiting groove, a threaded rotating rod is movably connected to the inside of the bearing, the other end of the threaded rotating rod is positioned outside the self-locking device.

Furthermore, the front side and the rear side of the movable block are attached to the inner wall of the self-locking frame.

Further, the limiting groove is matched with the threaded cylinder, and the limiting groove is of a rectangular groove structure.

Further, the slide way and the one-way blocking tooth correspond to each other and are mutually adaptive.

Furthermore, one side fixedly connected with a plurality of barbs that one-way blocking tooth kept away from the articulated elements.

Further, it is a plurality of barb direction is up, and is a plurality of the barb is equidistant distribution.

Advantageous effects

1. This novel coaster prolongs coaster lower extreme metal part on the basis of old-fashioned coaster to transversely install rope self-lock device additional, this coaster application method is simple, and the security is high, and is with low costs, not only can make the heavy object safe and reliable more at the transmission process, can also make things convenient for ground stay cord personnel to trade the power more, thereby improves transmission efficiency.

2. This novel coaster, multiplexer utensil are when passing through the rope to the transmission of operation personnel on the tower, through the decurrent elastic support power of spring, can compress tightly the rope of laminating constantly, further improve the fixed effect to the rope through the barb on the one-way blocking tooth simultaneously, can cushion and support the tenesmus of heavy object power, stay cord personnel hand slip when can avoiding the transmission directly causes the heavy object tenesmus to pound the problem on ground, and the safety effect is better.

3. This novel coaster can adjust the distance between fixed block and the movable block through the rotation of screw thread bull stick, and then can adjust the size of slide, can make the slide carry out the adaptation with the rope of different diameters according to the in-service use needs, need not to be equipped with the rope that corresponds the specification very much and just can improve self-lock device's stability, and the flexibility is stronger when using, and the range of application is wider.

Drawings

FIG. 1 is a schematic sectional view of the self-locking device of the present invention;

FIG. 2 is a schematic view of the internal structure of the self-locking device of the present invention;

fig. 3 is the utility model discloses the self-lock device structure is cut open schematic diagram downwards.

In the figure: 1. a pulley; 2. a self-locking device; 3. a self-locking frame; 4. a fixed block; 5. a movable block; 6. a slideway; 7. an articulation member; 8. unidirectional blocking teeth; 9. a limiting groove; 10. a threaded barrel; 11. an internal thread groove; 12. a bearing; 13. a threaded rotating rod; 14. a fixing plate; 15. a spring.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, a novel pulley comprises a pulley 1, a self-locking device 2 is fixedly installed on the pulley 1, the self-locking device 2 comprises a self-locking frame 3, a fixed block 4 and a movable block 5, the front side and the rear side of the movable block 5 are attached to the inner wall of the self-locking frame 3, a slide 6 is installed on one side of the fixed block 4, an articulated element 7 is fixedly connected inside the movable block, one side of the articulated element 7 is movably connected with a one-way blocking tooth 8, one side of the upper surface of the movable block 5 is fixedly connected with a fixed plate 14, the bottom of the fixed plate 14 is fixedly connected with a spring 15, the bottom of the spring 15 is fixedly connected with the upper surface of the one-way blocking tooth 8, the slide 6 and the one-way blocking tooth 8 are mutually corresponding and mutually adaptive, one side of the one-way blocking tooth 8, which is far away from the articulated element 7, is fixedly connected with a plurality, one side fixedly connected with screw thread section of thick bamboo 10 of movable block 5, spacing groove 9 and screw thread section of thick bamboo 10 looks adaptation, spacing groove 9 is the rectangular channel structure, screw thread section of thick bamboo 10 is located the inside of spacing groove 9, thread groove 11 in the inside has been seted up to screw thread section of thick bamboo 10, the inside one end fixedly connected with bearing 12 of spacing groove 9, the inside swing joint of bearing 12 has screw thread bull stick 13, the inside of thread groove 11 in the one end threaded connection of screw thread bull stick 13, the other end of screw thread bull stick 13 is located self-lock device 2's outside.

The working principle is as follows: when the device is used, firstly, one end of the device passes through the slide 6 and the top sliding piece of the pulley 1, then the other end of the device is connected with a transported object, the transported object is transported and transmitted through the pulled end, after pulling a rope at each time, the device can play a role of buffering in the process of transmitting a heavy object, the force can be better exchanged for a person pulling the rope on the ground conveniently, the barb of the one-way blocking tooth 8 is upward, after one end of the device is pulled upwards, the one-way blocking tooth 8 is pressed through the barb and the elastic supporting force of the spring 15, the heavy object passing through the device can be transmitted along the direction of the person pulling the rope on the ground, once the device has the tendency of falling in the opposite direction, the device can be automatically locked, the heavy object is prevented from falling down suddenly due to the sliding of the hand, the ground is prevented from falling down and falling down, a user can drive the movable block 5 to horizontally slide back and, the distance between the fixed block 4 and the movable block 5 is adjusted to adapt to different diameters, so that the one-way blocking teeth 8 can compress the different diameters stably, and the use safety effect is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel tackle comprises a tackle (1) and is characterized in that: the pulley (1) is fixedly provided with a self-locking device (2), the self-locking device (2) comprises a self-locking frame (3), a fixed block (4) and a movable block (5), one side of the fixed block (4) is provided with a slide way (6), the inside of the activity is fixedly connected with an articulated element (7), one side of the articulated element (7) is movably connected with a one-way blocking tooth (8), one side of the upper surface of the movable block (5) is fixedly connected with a fixed plate (14), the bottom of the fixed plate (14) is fixedly connected with a spring (15), the bottom of the spring (15) is fixedly connected with the upper surface of the one-way blocking tooth (8), one side of the self-locking frame (3) far away from the fixed block (4) is provided with a limit groove (9), one side of the movable block (5) is fixedly connected with a threaded cylinder (10), and the threaded cylinder (10), an inner thread groove (11) is formed in the threaded cylinder (10), a bearing (12) is fixedly connected to one end of the limiting groove (9), a threaded rotating rod (13) is movably connected to the inside of the bearing (12), one end of the threaded rotating rod (13) is connected to the inside of the inner thread groove (11) in a threaded mode, and the other end of the threaded rotating rod (13) is located outside the self-locking device (2).

2. The new tackle as claimed in claim 1, wherein: the front side and the rear side of the movable block (5) are attached to the inner wall of the self-locking frame (3).

3. The new tackle as claimed in claim 1, wherein: the limiting groove (9) is matched with the threaded cylinder (10), and the limiting groove (9) is of a rectangular groove structure.

4. The new tackle as claimed in claim 1, wherein: the slideway (6) and the one-way blocking tooth (8) correspond to each other and are mutually matched.

5. The new tackle as claimed in claim 1, wherein: one side that one-way blocking tooth (8) kept away from articulated elements (7) is fixedly connected with a plurality of barbs.

6. The new tackle as claimed in claim 5, wherein: it is a plurality of barb direction is up, and is a plurality of the barb is equidistant distribution.