CN203787865U - A hook-type pay-off pulley that can be used in both directions - Google Patents

Abstract

The utility model discloses a bidirectional and universal hook type paying-off pulley comprising an outer frame support and pulleys hinged to the inside of the outer frame support. A lifting ring is arranged above the outer frame support; and a lifting hook is arranged below the outer frame support. The left side frame of the outer frame support includes two arc fixed frame units; and shaft fixed plates are arranged between two fixed frames. A hinging shaft is hinged to the shaft fixed plates vertically; and two pulleys are arranged at the hinging shaft. The right side frame of the outer frame support includes two arc moving frame units for placing a cable; one end of each moving frame is respectively hinged with one shaft fixed plate of the right side frame; and the other end is in overlap joint with the outer frame support and the moving frame. locking pin rolls are arranged at the overlap joints of the outer frame support. Besides, an anti-shedding metal spring plate is arranged at the opening of the lifting hook. With the bidirectional and universal hook type paying-off pulley, a problem that the cable only can be placed at one side of the pulley according to the traditional paying-off pulley can be solved.

Description

A hook-type pay-off pulley that can be used in both directions

technical field

The utility model relates to a pay-off pulley.

Background technique

There are many types of pay-off pulleys on the market. Its main function is to put the cable into the pulley, so that the cable is slowly transmitted along the rolling of the pulley, so that it is more labor-saving and time-saving when arranging the cable. It can be divided into ground pay-off pulley and high-altitude pay-off pulley. The high-altitude pay-off pulley is generally composed of outer frame bracket, pulley, hook and ring. The hook and ring are used to hang the pay-off pulley, but now the traditional pay-off pulley The cables can only be put in from one side of the pulley. Sometimes when the cables on one side need to be arranged after the cables on the other side are arranged, it is necessary to remove the pay-off pulley and change the direction, which affects the construction efficiency.

Utility model content

The technical problem to be solved by the utility model is to provide a two-way universal hook-type pay-off pulley, which solves the problem that the traditional pay-off pulley can only place cables from a single side of the pulley.

The technical scheme of the utility model is: a two-way universal hook-type pay-off pulley, including an outer frame bracket and a pulley hinged inside the outer frame bracket, a suspension ring is arranged above the outer frame bracket, and a suspension hook is arranged below the outer frame bracket , the left side frame of the outer frame support includes two arc-shaped fixed frames, the middle of the two fixed frames is a shaft fixing plate, the shaft fixing plate is vertically hinged with a hinge shaft, and there are two pulleys on the hinge shaft, and the right side frame of the outer frame bracket It includes two arc-shaped movable frames for cables to be put in. One end of the two movable frames is respectively hinged with the shaft fixing plate of the right frame, and the other end is overlapped with the outer frame bracket and the movable frame, and the outer frame bracket is at the lap joint A locking pin is provided, and the hook is provided with an anti-off metal shrapnel at the opening.

Preferably, two grooves are provided at the opening of the hook, and a protruding hinge block is provided in the middle of the groove, and the anti-off metal shrapnel is a metal sheet with a U-shaped cross section, and the end of the metal sheet is inserted into the concave The groove is hinged with the hinge block by a pin, and a torsion spring is arranged on the pin, and the end of the hook is provided with a limit groove for preventing the metal shrapnel from falling off.

Preferably, the inner surface of the top of the outer frame support is provided with an upper shaping block that can be adjusted up and down, and the inner surface of the bottom is provided with a lower shaping block that can be adjusted up and down.

Preferably, the surfaces of the upper and lower shaping blocks close to the pulley are provided with two arched concave surfaces, and an adjusting nut is arranged between the two arched concave surfaces.

Preferably, a U-shaped slot is provided between the suspension ring and the outer frame support.

After adopting this technical scheme, channels for cables to pass are provided above and below the pulley, and a movable frame is provided on the right side of the outer frame support, and the cables can be directly put into the outer frame support from the side, which is very convenient. When the wire pulley is hung with a ring, the user can choose to pass the cable from the top of the pulley. When the pay-off pulley is hung with a hook, the user can choose to pass the cable from the bottom of the pulley. The flexibility is high. When the cable is in one direction, there is no need to remove the suspension ring or the suspension point at the hook, which saves time and improves work efficiency. In addition, there are two pulleys in one pay-off pulley in this technical solution, which can realize the arrangement of two cables from different directions at the same time. cables, which cannot be achieved with traditional pay-off pulleys.

Description of drawings

Accompanying drawing 1 is the three-dimensional schematic diagram of the utility model;

Accompanying drawing 2 is the enlarged schematic view of the opening of the hook;

Accompanying drawing 3 is the schematic diagram of the assembly of anti-de-metal shrapnel and hook;

Accompanying drawing 4 is the schematic diagram when two movable frames are opened.

Detailed ways

The specific embodiment of the utility model will be further described below in conjunction with accompanying drawing:

As shown in Figures 1 to 4, a hook-type pay-off pulley that can be used in both directions includes an outer frame support 1 and a pulley 4 hinged inside the outer frame support. The hinged position is located in the middle of the outer frame support, above the outer frame support. There is a suspension ring 31, and a hook 32 is provided under the outer frame bracket. Both the suspension ring and the suspension hook are used to hang the pay-off pulley on a certain support point. In actual working conditions, one of the two can be selected as the suspension point , the left frame of the outer frame support includes two arc-shaped fixed frames 11, and the middle of the two fixed frames is a shaft fixing plate 14. Shaft, the hinged shaft crosses the left and right borders of the outer frame bracket, the right end of the hinged shaft also has a shaft fixing plate, two pulleys 4 are arranged on the hinged shaft side by side, and the right frame of the outer frame bracket includes two arcs for cables As can be seen from the figure, one end of the two movable frames is hinged on the shaft fixing plate of the right side frame, and the other end is lapped with the outer frame bracket, and the outer frame bracket is provided with 13 pairs of locking pins when lapping. The two movable frames are locked, and the hook 32 is provided with an anti-stripping shrapnel 321 at the opening, and the anti-stripping shrapnel and the hook are also hinged, and its specific structure can be seen in Figures 2 and 3. The hook is provided with two grooves 322 at the opening, and an outwardly protruding hinge block 323 is arranged in the middle of the grooves 322. The anti-stripping metal shrapnel is a metal sheet with a U-shaped cross section, and the end of the metal sheet is inserted into the groove The pin is hinged with the hinge block. The pin is provided with a torsion spring 3211, and the torsion spring is built into the U-shaped metal sheet. In this plan, the anti-detachment metal shrapnel 321 is designed as a U-shaped section, because the U-shaped section has a bending resistance effect. Better, in order to match the U-shaped section, two grooves 322 are provided on the hook for the insertion of the ends of the U-shaped metal sheets. Of course, the U-shaped structure has another advantage in the utility model: the torsion spring 3211 can be built into the U-shaped In the internal space, to prevent the torsion spring from detaching, the hook terminal is provided with a limit groove 324 to prevent the anti-de-metal shrapnel from springing out. Hook opening.

In this technical solution, an upper sizing block 51 that can be adjusted up and down is provided on the inner surface of the top of the outer frame support, and a lower sizing block 52 that can be adjusted up and down is provided on the inner surface of the bottom of the outer frame support. The functions of the upper and lower sizing blocks are It is used to reduce the range of movement of the cable in the pay-off pulley, because in actual working conditions, the wire diameter of many cables is relatively small, and the distance between the pulley of the pay-off pulley and the upper and lower inner sides of the outer frame bracket is relatively large, and the cable is in It is easy to get out of the pulley during the dragging process. After the upper and lower shaping blocks are provided in this technical solution, the upper and lower shaping blocks can be adjusted up and down, so that the activity space of the cable inside the pay-off pulley can be reduced to ensure that it does not fall out Corresponding pulleys; in order to match the shape of the cable housing, two arched concave surfaces are provided on the surface of the upper and lower shaping blocks close to the pulleys, and an adjusting nut is arranged in the middle of the two arched concave surfaces, and the arched concave surfaces fit the pulley just A circular hole can be formed, and the adjusting nut is designed to control the stroke of the upper and lower shaping blocks; an additional U-shaped card slot 33 is added between the suspension ring and the outer frame support described in this example, and the U-shaped card The groove is used to fix the pay-off pulley on some plate-shaped supports. It is similar to the function of the ring and the hook. The ring is mostly used to hang on some hooks, and the hook is mostly used to hang on linear objects. U-shaped The card slot is mostly used to fix on some plate supports.

As shown in Figure 4, it is a schematic diagram of two movable frames when they are opened. The movable frame is provided with a connecting bump 121 at the overlap with the outer frame bracket for locking. In the figure, you can also see the upper and lower shaping blocks , has been adjusted up and down accordingly, compared with that in Figure 1, the space between the upper and lower shaping blocks and the pulley has been reduced.

This technical solution adopts horizontal double pulleys, and the upper and lower sides of each pulley can pass cables. Routing in different directions, which cannot be achieved by traditional single pulleys and one-way pay-off pulleys.

The above is only a description of the preferred examples of the utility model, but should not be construed as a limitation on the claims. The utility model is not only limited to the above examples, but its specific structure is allowed to change. Those skilled in the art can make various changes and deformations according to the utility model. As long as they do not depart from the spirit of the utility model, all should belong to the rights attached to the utility model. The scope defined by the requirement.

Claims (5)

1. A hook-type pay-off pulley that can be used in two directions, comprising an outer frame support (1) and a pulley (4) hinged inside the outer frame support, a suspension ring (31) is provided above the outer frame support, and a ring (31) is arranged below the outer frame support. There is a suspension hook (32), and it is characterized in that: the left side frame of the outer frame support includes two arc-shaped fixed frames (11), the middle of the two fixed frames is a shaft fixed plate (14), and the shaft fixed plate is vertically hinged with a hinged shaft , two pulleys (4) are arranged on the hinged shaft, and the frame on the right side of the outer frame support includes two arc-shaped movable frames (12) for cables to be placed in, and one end of the two movable frames is respectively fixed to the axis of the right frame The plate (14) is hinged, and the other end is overlapped with the outer frame bracket and the movable frame, and the outer frame bracket is provided with a locking pin (13) at the lap, and the hook is provided with an anti-stripping metal shrapnel ( 321). 2. The two-way universal hook-type pay-off pulley according to claim 1, characterized in that: two grooves (322) are arranged at the opening of the hook, and a raised hinge block is arranged in the middle of the grooves (323), the anti-de-metal shrapnel is a metal sheet with a U-shaped cross section, the end of the metal sheet is inserted into the groove and hinged with the hinge block through a pin, and a torsion spring (3211) is provided on the pin, and the hanging The hook terminal is provided with a limiting groove (324) to prevent the outer bullet of the anti-detaching metal shrapnel. 3. The two-way universal hook-type pay-off pulley according to claim 2 is characterized in that: the inner surface of the top of the outer frame bracket is provided with an upper shaping block (51) that can be adjusted up and down, and the inner surface of the bottom is provided with The lower shaping block (52) that can be adjusted up and down. 4. The two-way universal hook-type pay-off pulley according to claim 3 is characterized in that: two arched concave surfaces are provided on the surface of the upper and lower shaping blocks close to the pulley, and there is a middle of the two arched concave surfaces. With adjusting nut. 5. The two-way universal hook-type pay-off pulley according to claim 4, characterized in that: a U-shaped slot (33) is provided between the suspension ring and the outer frame support.