Pulley type hoisting support easy to disassemble and assemble

Abstract

The utility model belongs to the technical field of pulley type hoisting supports, and particularly relates to a pulley type hoisting support easy to disassemble and assemble, which comprises a stand column, a spline through hole is arranged in the middle of the stand column, a first screw rod is arranged in the stand column in a lifting drive mode, and the stand column is connected with the screw rod in the lifting drive mode. The structure is conveniently folded and conveniently stretched to a working state, the sliding barrel is folded on the vertical guide rod or horizontally stretched to be in the working state by lifting and sliding the guide rod on the sliding barrel in the vertical guide rod, and the horizontal sliding rod can stretch and retract on the inner side of the sliding barrel, so that the structure is conveniently folded; or the horizontal sliding rod extends out of the sliding barrel to facilitate work, finally, convenient installation and disassembly of the structure are achieved, in the storage and installation process, the device is of an integrated assembly structure, and the technical problems proposed in the technical background are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pulley type lifting brackets, in particular to a pulley type lifting bracket which is easy to assemble and disassemble. Background Art

[0002] At present, in the field of decoration, the transportation of tiles, floor tiles, flooring, cement, sand and other building materials used in decoration is mostly carried upstairs by people, which is not only laborious and time-consuming, but also has low transportation efficiency and high transportation cost. Generally, a pulley-type lifting bracket is used to complete the lifting operation. Generally, the operator only needs to tie and fix the items to be lifted, and then pull the end of the pulley assembly rope, and the pulley rotates to drive the items to be lifted. The existing pulley-type lifting bracket is not convenient to disassemble during use;

[0003] In the prior art, for example, the patent application number: CN202020480086.3 discloses a pulley-type lifting bracket that is easy to disassemble and assemble. The patent is capable of adjusting the height of the lifting frame and the main body of the lifting mechanism by pulling the support frame in the vertical direction, and then inserting the metal column and screwing the threaded column back to complete the fixation. The disassembly and installation process is simple and the operation is relatively simple;

[0004] However, the patent discloses a pulley type lifting bracket that is easy to disassemble and assemble. After disassembly, the parts are scattered, which makes it very inconvenient to store and easy to lose. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a pulley type lifting bracket that is easy to disassemble and assemble, has the effects of convenient folding and convenient installation, and during the process of folding and installing, the device is an integrated assembly structure.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pulley type lifting bracket that is easy to disassemble and assemble, comprising a column, a spline through hole is opened in the middle of the column, and a screw rod is installed in the column for lifting and lowering drive;

[0007] Through the lifting and driving connection between the screw rod 1 and the column, the structure can be conveniently folded up and conveniently extended to a working state.

[0008] A vertical guide rod is fixedly arranged at the top of the screw rod 1, a limit block is fixedly arranged on one side of the vertical guide rod near the top, a slide cylinder is installed at the top of the screw rod 1, guide rods are fixedly arranged on both sides of the end of the slide cylinder, the guide rod is located in the vertical guide rod and is slidably connected with the vertical guide rod, and the side surface of the slide cylinder abuts against the limit block to keep the slide cylinder horizontal.

[0009] The guide rod on the slide cylinder slides up and down in the vertical guide rod, so that the slide cylinder can be folded on the vertical guide rod or stretched horizontally to a working state. Specifically, the guide rod on the slide cylinder slides downward in the vertical guide rod, so that the slide cylinder is received in the vertical guide rod and is in a vertical state. The guide rod on the slide cylinder slides upward in the vertical guide rod, so that the slide cylinder rotates to a horizontal position, so that the bottom end of the slide cylinder is pressed against the upper end surface of the limit block.

[0010] A horizontal slide bar is retractably driven and installed in the slide cylinder;

[0011] The horizontal slide bar can be extended and retracted inside the slide barrel to facilitate the folding of the structure, or the horizontal slide bar can be extended out of the slide barrel to facilitate work.

[0012] A detachable pulley lifting assembly is installed on the horizontal sliding bar;

[0013] The pulley type lifting assembly is detachable, so that pulley type lifting assemblies with different transmission ratios can be realized.

[0014] Optionally, the pulley lifting assembly includes a sliding block located on the inner side of the slide groove and adapted for sliding installation, the sliding block is provided with a connecting through hole, a second screw is installed on the sliding block and the horizontal slide bar, the second screw passes through the threaded through hole and is threadedly connected between the connecting through hole and the horizontal slide bar;

[0015] By threading the screw rod 2 and installing it into the horizontal slide bar and the pulley type lifting assembly, the slider can be conveniently fixed relative to the horizontal slide bar. By removing the screw rod 2 from the slider and the horizontal slide bar, the slider can be removed from the horizontal slide bar, thereby realizing convenient replacement of the pulley type lifting assembly relative to the horizontal slide bar.

[0016] Optionally, a lifting pulley block is installed on the sliding block;

[0017] By setting up the lifting pulley block, the cargo can be lifted with less effort, and by replacing the lifting pulley block with different transmission ratios, the degree of effort in lifting the cargo can be changed.

[0018] Optionally, a slide groove is provided at the end of the horizontal slide rod, and the slide groove extends from the end of the horizontal slide rod to the inner side of the horizontal slide rod, and a threaded through hole is penetrated through the horizontal slide rod, and the threaded through hole passes through the slide groove, and a screw rod three is provided for the upper limit rotation connection of the horizontal slide rod, and the screw rod three is threadedly connected to the slide cylinder, and a screw handle is coaxially fixed at one end of the screw rod three;

[0019] By holding the screw handle and rotating the screw three, the screw three and the horizontal slide bar are limitedly rotated and connected, and the screw three and the slide cylinder are threadedly connected, so that the push-pull slide cylinder can slide in the horizontal slide bar.

[0020] Optionally, the bottom end of the column is adapted to be equipped with a fixing cylinder, the outer side of the bottom end of the fixing cylinder is fixedly provided with a flange, the flange is penetrated by a plurality of screws, and the screws are threadedly fixedly connected between the flange and the external base;

[0021] By inserting the upright post into the fixing tube, the upright post is connected to the fixing tube in a limited rotation manner, which facilitates convenient installation and disassembly between the upright post and the fixing tube.

[0022] Optionally, a plurality of splines arranged at equal intervals around a circumference are fixedly disposed at the bottom end of the screw rod 1, the splines are located in the spline through hole and are limitedly slidably connected with the column, and a nut is threadedly connected on the screw rod 1, and the nut is located at the upper end of the spline through hole;

[0023] The nut is threadedly connected to the screw rod 1, and the bottom end surface of the nut is pressed on the upper end surface of the column. By rotating the nut, the screw rod 1 is driven to rise and fall and shrink on the column, thereby realizing convenient installation and disassembly of the structure.

[0024] Optionally, a screw rod is meshed on one side of the nut, the screw rod is rotationally connected to the column in a limited position, a screw motor is installed at one end of the screw rod, and the screw motor is fixedly connected to the column;

[0025] By starting the screw motor, the output shaft of the screw motor rotates to drive the screw to rotate, and the screw and the nut engage with each other, thereby driving the nut to rotate relative to the screw rod 1. The nut and the screw rod 1 are threadedly connected, so that the screw rod 1 can move up and down in the spline through hole.

[0026] In summary, compared with the prior art, the beneficial effects of this solution are:

[0027] 1. Through the lifting and driving connection between the screw rod 1 and the column, the structure can be conveniently folded up and conveniently extended to the working state. The guide rod on the slide tube can be lifted and slid in the vertical guide rod, so that the slide tube can be folded on the vertical guide rod or horizontally extended to the working state. The horizontal slide rod can be extended and retracted on the inner side of the slide tube to facilitate the folding of the structure, or the horizontal slide rod can be extended out of the slide tube to facilitate work. Finally, the structure can be conveniently installed and disassembled, and during the storage and installation process, the device is an integrated assembly structure, which solves the technical problems raised in the technical background. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the structure of the first embodiment of the present invention.

[0029] Figure 2 It is a schematic diagram of the local structure in the first embodiment of the utility model.

[0030] Figure 3 This is a structural explosion diagram of the first embodiment of the present utility model.

[0031] Figure 4 This is a schematic diagram of the structure of the second embodiment of the present invention.

[0032] 10. Column; 11. Spline through hole; 20. Screw one; 21. Spline; 22. Nut; 30. Slide; 31. Horizontal slide; 32. Screw three; 33. Screw handle; 34. Slide; 35. Threaded through hole; 40. Pulley lifting assembly; 41. Sliding block; 42. Connecting through hole; 43. Lifting pulley block; 44. Screw two; 50. Fixed cylinder; 51. Flange; 52. Screw; 60. Screw; 61. Screw motor. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the present invention.

[0034] Example 1: Reference Figure 1-Figure 3 , a pulley type lifting bracket which is easy to disassemble and assemble, comprises a column 10, a spline through hole 11 is opened in the middle of the column 10, a screw rod 20 is provided in the column 10 for sliding connection, a plurality of splines 21 arranged at equal intervals in a circle are fixed at the bottom end of the screw rod 20, the spline 21 is located in the spline through hole 11 and is limitedly slidably connected with the column 10, a nut 22 is threadedly connected on the screw rod 20, and the nut 22 is located at the upper end of the spline through hole 11;

[0035] The nut 22 is threadedly connected to the screw rod 20, and the bottom end surface of the nut 22 is pressed against the upper end surface of the column 10, and the two are limited in the vertical direction and cannot be separated. By rotating the nut 22, the screw rod 20 is driven to rise, fall and shrink on the column 10, thereby realizing convenient installation and disassembly of the structure.

[0036] A vertical guide rod 23 is fixedly provided at the top of the screw rod 20, a limit block 24 is fixedly provided at one side of the vertical guide rod 23 close to the top, a slide cylinder 30 is installed at the top of the screw rod 20, guide rods are fixedly provided at both sides of the end of the slide cylinder 30, the guide rods are located inside the vertical guide rod 23 and are slidably connected with the vertical guide rod 23, and the side of the slide cylinder 30 abuts against the limit block 24 to keep the slide cylinder 30 horizontal;

[0037] The guide rod on the slide 30 is lifted and slid in the vertical guide rod 23, so that the slide 30 is retracted on the vertical guide rod 23 or horizontally extended to a working state. Specifically, the guide rod on the slide 30 slides downward in the vertical guide rod 23, so that the slide 30 is received in the vertical guide rod 23 and is in a vertical state. The guide rod on the slide 30 slides upward in the vertical guide rod 23, so that the slide 30 is rotated to a horizontal position, so that the bottom end of the slide 30 is pressed against the upper end surface of the limit block 24.

[0038] A horizontal slide bar 31 is retractably driven and installed in the slide cylinder 30;

[0039] The horizontal slide bar 31 can be extended and retracted inside the slide cylinder 30 to facilitate the folding of the structure, or the horizontal slide bar 31 can be extended out of the slide cylinder 30 to facilitate operation.

[0040] A detachable pulley lifting assembly 40 is installed on the horizontal slide bar 31;

[0041] The pulley type lifting assembly 40 is detachable, so that pulley type lifting assemblies 40 with different transmission ratios can be realized.

[0042] In this embodiment, a slide groove 34 is provided at the end of the horizontal slide bar 31, and the slide groove 34 extends from the end of the horizontal slide bar 31 to the inner side of the horizontal slide bar 31, and a threaded through hole 35 is penetrated on the horizontal slide bar 31, and the threaded through hole 35 passes through the slide groove 34. The pulley type lifting assembly 40 includes a slider 41 which is adapted to be slidably installed on the inner side of the slide groove 34, and a connecting through hole 42 is penetrated on the slider 41. A screw rod 44 is installed on the slider 41 and the horizontal slide bar 31, and the screw rod 44 passes through the threaded through hole 35 and the connecting through hole 42 and is threadedly connected with the horizontal slide bar 31;

[0043] The screw rod 44 is threadedly connected and installed in the horizontal slide bar 31 and the pulley type lifting assembly 40, so that the slider 41 can be conveniently fixed relative to the horizontal slide bar 31. By removing the screw rod 44 from the slider 41 and the horizontal slide bar 31, the slider 41 can be removed from the horizontal slide bar 31, and the pulley type lifting assembly 40 can be conveniently replaced relative to the horizontal slide bar 31.

[0044] Furthermore, a lifting pulley block 43 is installed on the slider 41;

[0045] By setting the lifting pulley block 43, the cargo can be lifted with less effort, and by replacing the lifting pulley block 43 with different transmission ratios, the degree of effort saving in lifting the cargo can be changed.

[0046] In this embodiment, the horizontal slide bar 31 is provided with a screw rod 32 for upper limit rotation connection, the screw rod 32 is threadedly connected to the slide cylinder 30, and one end of the screw rod 32 is coaxially fixed with a screw handle 33;

[0047] By holding the screw handle 33 and rotating the screw three 32, the screw three 32 and the horizontal slide bar 31 are limitedly rotated and connected, and the screw three 32 and the slide cylinder 30 are threadedly connected, so that the push-pull slide cylinder 30 can slide on the horizontal slide bar 31.

[0048] In this embodiment, the bottom end of the column 10 is adapted to be equipped with a fixing tube 50, and a flange 51 is fixedly provided on the outer side of the bottom end of the fixing tube 50. A plurality of screws 52 are passed through the flange 51, and the screws 52 pass through the flange 51 and are threadedly fixedly connected to the external base.

[0049] By inserting the column 10 into the fixing tube 50 , the column 10 is connected to the fixing tube 50 in a limited rotation manner, which facilitates convenient installation and disassembly between the column 10 and the fixing tube 50 .

[0050] Example 2: Reference Figure 4 The difference between this embodiment and the first embodiment is that a screw rod 60 is meshed on one side of the nut 22, the screw rod 60 is rotationally connected to the column 10, and a screw motor 61 is installed at one end of the screw rod 60, and the screw motor 61 is fixedly connected to the column 10;

[0051] By starting the screw motor 61, the output shaft of the screw motor 61 rotates to drive the screw 60 to rotate, and the screw 60 and the nut 22 engage with each other, thereby driving the nut 22 to rotate. The nut 22 and the screw 20 are threadedly connected, so that the screw 20 can move up and down in the spline through hole 11.

[0052] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range and basically achieve the technical effect.

[0053] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0054] The above description shows and describes several preferred embodiments of the present application, but as mentioned above, it should be understood that the present application is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the application concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the present application, and should be within the scope of protection of the claims attached to the present application.

Claims

1. A pulley type lifting bracket that is easy to disassemble and assemble. It is characterized in that The utility model comprises a column (10), wherein a spline through hole (11) is provided in the middle of the column (10), a screw rod (20) is installed in the column (10) for lifting and lowering drive, a vertical guide rod (23) is fixedly provided at the top end of the screw rod (20), a limit block (24) is fixedly provided at one side of the vertical guide rod (23) close to the top end, a slide cylinder (30) is installed at the top end of the screw rod (20), guide rods are fixedly provided at both sides of the end of the slide cylinder (30), and the guide rods are located at the vertical guide rods. The straight guide rod (23) is adapted to be slidably connected with the vertical guide rod (23), the side of the slide cylinder (30) abuts against the limit block (24) to keep the slide cylinder (30) horizontal, a horizontal slide rod (31) is telescopically driven and installed in the slide cylinder (30), a detachable pulley lifting assembly (40) is installed on the horizontal slide rod (31), a slide groove (34) is opened at the end of the horizontal slide rod (31), and a threaded through hole (35) is penetrated through the horizontal slide rod (31).

2. The easily disassembled pulley type lifting bracket according to claim 1, It is characterized in that The pulley lifting assembly (40) includes a slider (41) which is slidably mounted on the inner side of the slide groove (34), and a connecting through hole (42) is provided through the slider (41). A second screw rod (44) is installed on the slider (41) and the horizontal slide bar (31), and the second screw rod (44) passes through the threaded through hole (35) and is threadedly connected between the connecting through hole (42) and the horizontal slide bar (31).

3. The easily disassembled pulley type lifting bracket according to claim 2, It is characterized in that The sliding block (41) is provided with a lifting pulley block (43).

4. The easily disassembled pulley type lifting bracket according to claim 1, It is characterized in that The slide groove (34) extends from the end of the horizontal slide rod (31) to the inner side of the horizontal slide rod (31), and the threaded through hole (35) passes through the slide groove (34). The horizontal slide rod (31) is provided with a screw rod three (32) for upper limit rotation connection. The screw rod three (32) is threadedly connected to the slide cylinder (30), and a screw handle (33) is coaxially fixed to one end of the screw rod three (32).

5. The easily disassembled pulley type lifting bracket according to claim 1, It is characterized in that The bottom end of the column (10) is adapted to be equipped with a fixing tube (50), the outer side of the bottom end of the fixing tube (50) is fixedly provided with a flange (51), a plurality of screws (52) are passed through the flange (51), and the screws (52) pass through the flange (51) and are threadedly fixedly connected to the external base.

6. The easily disassembled pulley type lifting bracket according to claim 1, It is characterized in that A plurality of splines (21) arranged at equal intervals in a circumference are fixedly disposed at the bottom end of the screw rod (20); the splines (21) are located in the spline through hole (11) and are limitedly slidably connected to the column (10); a nut (22) is threadedly connected to the screw rod (20); and the nut (22) is located at the upper end of the spline through hole (11).

7. The easily disassembled pulley type lifting bracket according to claim 6, It is characterized in that A screw rod (60) is meshed with one side of the nut (22), and the screw rod (60) is rotationally connected to the column (10) in a limited manner. A screw motor (61) is installed at one end of the screw rod (60), and the screw motor (61) is fixedly connected to the column (10).

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