CN214817922U

CN214817922U - A appurtenance for installing pulley

Info

Publication number: CN214817922U
Application number: CN202120193476.7U
Authority: CN
Inventors: 谢启黔
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-11-23
Anticipated expiration: 2031-01-22

Abstract

The utility model relates to the field of pulley installation equipment, and discloses an auxiliary tool for installing pulleys, which comprises a cross rod, wherein the cross rod comprises a rod body, a first lantern ring and a second lantern ring, the lantern rings are totally two, both the left end and the right end of the rod body are provided with fixing devices, the upper surface of a connecting block is fixedly connected with the middle part of the lower end of the outer ring surface of the second lantern ring, the first lantern ring is slid to enable the first lantern ring to clamp the second lantern ring, the screw rod is rotated to enable the lower end of the screw rod to tightly abut against the rod surface, the first lantern ring can not move any more, thus the position of the second lantern ring on the rod body can be fixed, the influence of the movement of the second lantern ring on the normal work in the use process of the pulleys is avoided, the positions of the two sleeves can be adjusted according to the width of the erection position by rotating the two screw rods, the application range is enlarged, when a supporting structure is available, if no supporting structure can utilize a thread groove on the connecting plate to carry out the screw fixation, further improving the application range of the device.

Description

A appurtenance for installing pulley

Technical Field

The utility model relates to a pulley erection equipment field especially relates to an appurtenance for installing pulley.

Background

The pulley is a small wheel with a groove on the periphery and capable of rotating around a shaft. A simple machine that can rotate around a central shaft, consisting of a grooved disc that can rotate around the central shaft and a flexible cable (rope, tape, cable, chain, etc.) that spans the disc, is called a pulley, and in mechanics, a typical pulley (pulley) is a round wheel that can rotate around the central shaft. The circular wheel has a groove in its circumferential surface, and the rope is wound around the groove, and either end of the rope is pulled forcibly, so that the friction between the rope and the circular wheel causes the circular wheel to rotate around the central shaft. The pulley is in fact a deformed, rotatable lever. The main functions of the pulley are to pull the load, change the direction of the applied force, transmit the power, etc. The machine composed of a plurality of pulleys is called a pulley block or a compound pulley. The pulley block has larger mechanical benefit and can draw heavier load. The pulley can also be a chain transmission or belt transmission component, transmits power from one rotating shaft to another rotating shaft, and can be divided into a fixed pulley and a movable pulley according to whether the position of the central shaft of the pulley moves or not; the central shaft of the fixed pulley is fixed, and the central shaft of the movable pulley can move, so that the fixed pulley has various advantages and disadvantages. The pulley block can be formed by assembling the fixed pulley and the movable pulley together, the direction of the pulley block can be changed while saving labor, and common pulleys need different hanging rods to carry out hanging wheels due to different widths and positions of mounting positions when being mounted, so that more hanging rods need to be carried, and the pulley block is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide an appurtenance for installing the pulley.

In order to achieve the purpose, the utility model discloses a following technical scheme, an appurtenance for installing pulley, including the horizontal pole, the horizontal pole includes the body of rod, the lantern ring one and the lantern ring two, the lantern ring is totally two, both ends all are provided with fixing device about the body of rod, the lantern ring two sets up between two lantern ring one, the lower ring face of lantern ring two is provided with the connecting block, the upper surface of connecting block and the lower extreme mid portion fixed connection of the outer anchor ring of the lantern ring two, the lower surface of connecting block is provided with the couple.

Preferably, the second lantern ring is movably sleeved at the middle part of the rod face of the rod body, a first thread groove is formed in the middle part of the upper end of the outer ring face of the first lantern ring, a first screw rod is arranged in each of the first thread grooves, and the lower ends of the first thread grooves penetrate through the upper ends of the inner ring faces of the first lantern rings respectively.

Preferably, the inner ring surfaces of the two first lantern rings are movably sleeved with the rod surface of the rod body respectively, the lower ends of the two first screw rods are in threaded connection with the two first thread grooves respectively, and the upper end of the outer ring surface of the hook is fixedly connected with the lower surface of the connecting block.

Preferably, the fixing device comprises a sleeve, a fixing block and a connecting plate, the middle part of the upper end of the outer pipe surface of the sleeve is fixedly connected with the lower surface of the fixing block, and the middle parts of the left and right surfaces of the sleeve are provided with rod grooves.

Preferably, the front ends of the two opposite ends of the outer pipe surfaces of the two sleeves are provided with a second threaded groove, a second screw is arranged in each second threaded groove, the rear ends of the two second screws are respectively in threaded connection with the two second threaded grooves, and the rear ends of the two second threaded grooves penetrate through the inner pipe surfaces of the two sleeves.

Preferably, the number of the connecting plates is two, two opposite surfaces of the two connecting plates are fixedly connected with the upper ends of the front surface and the rear surface of the fixing block respectively, the left end and the right end of the upper surface and the lower surface of the two connecting plates are provided with a third threaded groove, and the left end and the right end of the rod body are movably arranged in the two rod grooves respectively.

Advantageous effects

The utility model provides an appurtenance for installing pulley. The method has the following beneficial effects:

(1) this an appurtenance for installing pulley, after two messenger's lantern rings of slip lantern ring two reachd suitable position, two lantern ring one of slip lantern ring make two lantern ring one carry lantern ring two, rotate screw rod one and make screw rod lower extreme support tight body of rod face, make two lantern ring one unable removals again, can fix the position of lantern ring two on the body of rod like this, avoid two removals of lantern ring in the pulley use to influence normal work, rotate two screw rods two and can be according to two sheathed tube positions of width adjustment of setting up the position, increase application scope.

(2) This an appurtenance for installing pulley, the position selection of installing the pulley as required is still up down with two fixed blocks, can utilize two connecting plates to block the fixed block when bearing structure, if there is not bearing structure can utilize thread groove three on the connecting plate to carry out the screw fixation, further hoisting device's application scope.

Drawings

FIG. 1 is a schematic overall structure diagram of an auxiliary tool for mounting a pulley according to the present invention;

FIG. 2 is a schematic view of the cross bar of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the fixing device of FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

Illustration of the drawings:

1. a cross bar; 2. a fixing device; 11. a rod body; 12. a lantern ring I; 13. hooking; 14. connecting blocks; 15. a second lantern ring; 16. a first screw rod; 17. a first thread groove; 21. a fixed block; 22. a thread groove III; 23. a connecting plate; 24. a rod groove; 25. a sleeve; 26. a second thread groove; 27. and a second screw.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): an auxiliary tool for installing pulleys is disclosed, as shown in fig. 1-4, and comprises a cross rod 1, wherein the cross rod 1 comprises a rod body 11, two first lantern rings 12 and two second lantern rings 15, the two first lantern rings 12 are provided, the left and right ends of the rod body 11 are both provided with fixing devices 2, the second lantern ring 15 is arranged between the two first lantern rings 12, the lower annular surface of the second lantern ring 15 is provided with a connecting block 14, the upper surface of the connecting block 14 is fixedly connected with the middle part of the lower end of the outer annular surface of the second lantern ring 15, the lower surface of the connecting block 14 is provided with a hook 13, the second lantern ring 15 is movably sleeved on the middle part of the rod surface of the rod body 11, the middle part of the upper end of the outer annular surface of the two first lantern rings 12 is provided with a first threaded groove 17, the two first threaded rods 17 are both provided with first screws 16, the lower ends of the two threaded grooves 17 respectively penetrate through the upper ends of the inner annular surfaces of the two first lantern rings 12, the inner annular surfaces of the two first lantern rings 12 are respectively sleeved on the movable rod surface of the rod body 11, the lower ends of the two first screw rods 16 are respectively in threaded connection with the two first thread grooves 17, the upper end of the outer ring surface of the hook 13 is fixedly connected with the lower surface of the connecting block 14, the fixing device 2 comprises a sleeve 25, a fixing block 21 and a connecting plate 23, the middle part of the upper end of the outer pipe surface of the sleeve 25 is fixedly connected with the lower surface of the fixing block 21, the middle parts of the left and right surfaces of the sleeve 25 are provided with rod grooves 24, the front ends of the two ends, away from the outer pipe surfaces of the two sleeve 25, of the two sleeve 25 are respectively provided with a second thread groove 26, the two second thread grooves 26 are respectively internally provided with a second screw rod 27, the rear ends of the two second screw rods 27 are respectively in threaded connection with the two second thread grooves 26, the rear ends of the two second thread grooves 26 penetrate through the inner pipe surfaces of the two sleeve 25, the two connecting plates 23 are provided, the two opposite surfaces of the two connecting plates 23 are respectively in threaded connection with the upper ends of the front and back surfaces of the fixing block 21, the left and right ends of the upper and lower surfaces of the two connecting plates 23 are respectively provided with a third thread groove 22, the two fixing blocks 21 are selected to face downwards or upwards according to the position of the pulley to be installed, when a supporting structure is arranged, the two connecting plates 23 can be used for clamping the fixing blocks 21, if no support structure is available for screw fixation with the threaded groove three 22 on the attachment plate 23, according to the practical situation of the position of the pulley, after the second lantern ring 15 is slid to enable the second lantern ring 15 to reach the proper position, the first two lantern rings 12 are slid to enable the first two lantern rings 12 to clamp the second lantern ring 15, the first screw 16 is rotated to enable the lower end of the first screw 16 to be abutted against the rod body 11, the first two lantern rings 12 cannot move any more, can fix the position of the second 15 lantern ring on the body of rod 11 like this, avoid the second 15 lantern ring to remove and influence normal work in the pulley use, rotate two screw rods 27 and can be according to the position of two sleeve pipes 25 of width adjustment who erects the position, increase application scope, both ends activity respectively sets up in two pole grooves 24 about the body of rod 11.

The utility model discloses a theory of operation:

when in use, the two fixing blocks 21 are selected to face downwards or upwards according to the position of the pulley to be installed, when a supporting structure is arranged, the two connecting plates 23 can be used for clamping the fixing blocks 21, if no support structure is available for screw fixation with the threaded groove three 22 on the attachment plate 23, according to the practical situation of the position of the pulley, after the second lantern ring 15 is slid to enable the second lantern ring 15 to reach the proper position, the first two lantern rings 12 are slid to enable the first two lantern rings 12 to clamp the second lantern ring 15, the first screw 16 is rotated to enable the lower end of the first screw 16 to be abutted against the rod body 11, the first two lantern rings 12 cannot move any more, the position of the second lantern ring 15 on the rod body 11 can be fixed, the influence on normal work caused by the movement of the second lantern ring 15 in the use process of the pulley is avoided, the positions of the two sleeves 25 can be adjusted according to the width of the erection position by rotating the second two screw rods 27, and the application range is enlarged.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. An appurtenance for installing a pulley, comprising a crossbar (1), characterized in that: the cross rod (1) comprises a rod body (11), a first lantern ring (12) and a second lantern ring (15), the first lantern ring (12) is two, fixing devices (2) are arranged at the left end and the right end of the rod body (11), the second lantern ring (15) is arranged between the first lantern ring (12), a connecting block (14) is arranged on the lower ring surface of the second lantern ring (15), the upper surface of the connecting block (14) is fixedly connected with the middle part of the lower end of the outer ring surface of the second lantern ring (15), and a hook (13) is arranged on the lower surface of the connecting block (14).

2. An auxiliary tool for installing a pulley according to claim 1, wherein: the second lantern ring (15) is movably sleeved at the middle part of the rod face of the rod body (11), a first thread groove (17) is formed in the middle part of the upper end of the outer ring face of the first lantern ring (12), a first screw rod (16) is arranged in each of the two first thread grooves (17), and the lower end of each of the two first thread grooves (17) penetrates through the upper end of the inner ring face of the first lantern ring (12) respectively.

3. An auxiliary tool for installing a pulley according to claim 2, wherein: inner ring surfaces of the two lantern rings I (12) are movably sleeved with the rod surface of the rod body (11) respectively, lower ends of the two screw rods I (16) are in threaded connection with the two thread grooves I (17) respectively, and the upper end of an outer ring surface of the hook (13) is fixedly connected with the lower surface of the connecting block (14).

4. An auxiliary tool for installing a pulley according to claim 1, wherein: the fixing device (2) comprises a sleeve (25), a fixing block (21) and a connecting plate (23), the middle part of the upper end of the outer pipe surface of the sleeve (25) is fixedly connected with the lower surface of the fixing block (21), and a rod groove (24) is formed in the middle part of the left surface and the right surface of the sleeve (25).

5. An auxiliary tool for installing a pulley according to claim 4, wherein: the front ends of the two opposite ends of the outer pipe surfaces of the two sleeves (25) are respectively provided with a second threaded groove (26), a second screw rod (27) is arranged in each second threaded groove (26), the rear ends of the two second screw rods (27) are respectively in threaded connection with the two second threaded grooves (26), and the rear ends of the two second threaded grooves (26) penetrate through the inner pipe surfaces of the two sleeves (25).

6. An auxiliary tool for installing a pulley according to claim 4, wherein: the connecting plates (23) are two in number, two opposite two surfaces of the connecting plates (23) are fixedly connected with the upper ends of the front surface and the rear surface of the fixing block (21) respectively, thread grooves III (22) are formed in the left end and the right end of the upper surface and the lower surface of the connecting plates (23), and the left end and the right end of the rod body (11) are movably arranged in the two rod grooves (24) respectively.