Length-adjustable fiber lifting appliance

Abstract

The utility model discloses a length-adjustable fiber lifting appliance, and relates to the technical field of lifting appliances. The worm and gear transmission set is arranged in the middle of the interior of the cross beam, the lead screw is fixedly arranged at the bottom end of a shaft in a worm gear, the lead screw is sleeved with a movable pipe in a screwed mode through threads, the upper end of the movable pipe is fixedly sleeved with a guide frame, and the front side and the rear side of the guide frame are slidably arranged in guide grooves formed in the vertical ends of the front side and the rear side of the cross beam respectively. The supporting block is arranged on the lower side of the movable pipe, driving wheels are oppositely arranged on the left side and the right side of the front side of the supporting block, and lifting ropes are fixed to the driving wheels correspondingly; the other end of the lifting rope is connected with the lifting hook; the four fixed guide wheels are arranged on the left side and the right side of the worm wheel in pairs, the fixed guide wheels are fixed in the cross beam, the two fixed guide wheels in the same group are oppositely arranged up and down, and the lifting rope is arranged between the upper fixed guide wheel and the lower fixed guide wheel in a penetrating mode; and the lifting rope can be adjusted according to use requirements, so that the lifting appliance is adjusted, and the lifting operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of slings, in particular to a fiber sling with adjustable length. Background Art

[0002] Slings are widely used in the lifting and hoisting industry, but the length of the sling rope in the existing slings is fixed and cannot be adjusted according to demand during use, resulting in inconvenience during use. Utility Model Content

[0003] The purpose of the utility model is to provide a fiber sling with adjustable length which is simple in structure, reasonable in design and easy to use, in view of the defects and shortcomings of the prior art. The sling can be adjusted according to the use requirements, so that the sling can be adjusted, making the lifting operation more convenient.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is: it comprises a crossbeam and a lifting lug, the lifting lug is arranged in the middle of the upper side of the crossbeam, and the crossbeam is arranged in an inverted "U" shape; the lower side of the crossbeam is provided with hooks on the left and right sides; it also comprises an adjustment component, the adjustment component is arranged between the crossbeam and the hook; the adjustment component comprises:

[0005] A worm gear transmission group, wherein the worm gear transmission group is arranged in the middle of the interior of the crossbeam, and a driving motor is arranged at the rear side of the crossbeam, and the output end of the driving motor is connected to the worm in the worm gear transmission group; the worm in the worm gear transmission group is arranged inside the crossbeam through a bearing and a shaft rotation connection;

[0006] A screw rod, wherein the screw rod is fixedly arranged at the bottom end of the shaft inside the worm gear, and a movable tube is sleeved on the screw rod through a threaded connection, and a guide frame is sleeved and fixed on the upper end of the movable tube, and the front and rear sides of the guide frame are respectively slidably arranged in guide grooves opened in the vertical ends of the front and rear sides of the crossbeam;

[0007] A support block, wherein the support block is arranged at the lower side of the movable tube, the bottom end of the movable tube is screwed and arranged in the support block through a bearing, and driving wheels are arranged opposite to each other on the left and right sides of the front side of the support block, and a lifting rope is fixed on each of the driving wheels; the other end of the lifting rope is connected to the lifting hook;

[0008] Fixed guide wheels, there are four fixed guide wheels, which are arranged in groups of two on the left and right sides of the worm wheel, fixed in the crossbeam, and two fixed guide wheels in the same group are arranged opposite to each other up and down, and the lifting rope is passed between the upper and lower fixed guide wheels;

[0009] Through the above technical solution design, the screw is rotated through the worm gear transmission group to drive the movable tube to move, so that the support block drives the driving wheel to move, the lifting rope is adjusted, and the height of the hook is adjusted.

[0010] As a further improvement of the utility model, a scrolling motor is arranged on the rear side of the support block, and the scrolling motor is connected to an external power source; and the output end of the scrolling motor passes through the support block and is connected to one of the driving wheels, and the other driving wheel is rotatably connected to the support block through a bearing; the rear ends of the driving wheels are sleeved and fixed with gears, and the left and right gears are meshed with each other;

[0011] Through the above technical solution design, the two gears rotate to make the two driving wheels roll the lifting rope and adjust the position of the hook.

[0012] As a further improvement of the utility model, support frames are relatively arranged on the left and right sides of the crossbeam, the lower side of the support frames is exposed from the crossbeam, and the support frames are arranged on the outside of the fixed guide wheel, and a tensioning wheel is arranged in the support frame, the tensioning wheel is arranged on the lower side of the crossbeam, and the suspension rope is arranged on the outside of the tensioning wheel;

[0013] Through the above technical solution design, the suspension rope is tensioned.

[0014] As a further improvement of the utility model, support platforms are relatively arranged on the left and right sides of the rear side of the crossbeam, and a mobile motor is arranged on the side wall of the support platform on one side, and the mobile motor is connected to an external power supply; a rotating shaft is arranged on the output end of the mobile motor, and two groups of threads with opposite rotation directions are relatively arranged on the left and right sides of the rotating shaft, and moving blocks are respectively arranged on the oppositely arranged threads through threaded screw sleeves, and the moving blocks are respectively slid through the strip grooves opened on the rear side of the crossbeam and are connected to the support frame;

[0015] Through the above technical solution design, the tensioning wheel is driven and adjusted to change the position of the hook.

[0016] As a further improvement of the utility model, the support frame is provided with upper and lower opposite reinforcement wheels, the reinforcement wheels are arranged on the inner side of the tensioning wheel, and the reinforcement wheels are respectively arranged flush with the adjacent fixed guide wheels; the lifting rope is passed between the upper and lower reinforcement wheels;

[0017] Through the above technical solution design, the guidance of the suspension rope is strengthened.

[0018] The working principle of the utility model is as follows: one end of the lifting rope is connected to the driving wheel, and the other end passes through two upper and lower adjacent fixed guide wheels and two upper and lower adjacent reinforcement wheels in sequence, and then is on the outside of the tensioning wheel; by starting the driving motor in the worm gear transmission group, the lead screw is rotated, and the movable tube is driven to move, so that the supporting block is moved, and the fixed guide wheel drives the lifting rope to move, thereby changing the length of the lifting rope exposed to the tensioning wheel and changing the position of the hook; secondly, the winding motor can also be started to make the two gears rotate relative to each other, and the driving wheel rotates to wind the lifting rope, which will also change the length of the lifting rope exposed to the tensioning wheel and change the position of the hook; finally, by starting the moving motor, the rotating shaft is rotated, and the oppositely arranged threads make the two moving blocks move synchronously, thereby changing the positions of the two tensioning wheels and further changing the distance between the left and right hooks.

[0019] After adopting the above structure, the utility model has the following beneficial effects:

[0020] 1. By driving the support block, the lifting rope is moved, the exposed length of the other end of the lifting rope is changed, and the height of the hook is adjusted;

[0021] 2. When the driving wheel rotates, the rope is rolled to move the other end of the rope, thus changing the exposed length of the rope and adjusting the height of the hook;

[0022] 3. Drive the support frame to change the position of the tensioning wheel to adjust the distance between the left and right hooks. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a structural schematic diagram of the utility model.

[0025] Figure 2 yes Figure 1 Schematic diagram of the rear structure.

[0026] Figure 3 It is a schematic diagram of the internal structure of the crossbeam in the utility model.

[0027] Figure 4 yes Figure 3 Enlarged view of part A.

[0028] Description of reference numerals:

[0029] Crossbeam 1, guide groove 1-1, bar groove 1-2, lifting ear 2, hook 3, adjustment component 4, worm gear transmission group 4-1, drive motor 4-2, screw 4-3, movable tube 4-4, guide frame 4-5, support block 4-6, drive wheel 4-7, lifting rope 4-8, fixed guide wheel 4-9, rolling motor 5, gear 6, support frame 7, tensioning wheel 8, support platform 9, moving motor 10, rotating shaft 11, moving block 12, reinforcement wheel 13. DETAILED DESCRIPTION

[0030] The utility model is further described below in conjunction with the accompanying drawings. Embodiment 1:

[0031] See also Figure 1-Figure 4 This embodiment includes a crossbeam 1 and a lifting lug 2. The lifting lug 2 is provided in the middle of the upper side of the crossbeam 1, and the crossbeam 1 is provided in an inverted "U"-shaped structure; hooks 3 are provided on the left and right sides of the lower side of the crossbeam 1; it also includes an adjustment component 4, and the adjustment component 4 is provided between the crossbeam 1 and the hook 3; the adjustment component 4 includes:

[0032] A worm gear transmission group 4-1, wherein the worm gear transmission group 4-1 is arranged in the middle of the interior of the crossbeam 1, and a drive motor 4-2 is arranged at the rear side of the crossbeam 1, and the output end of the drive motor 4-2 is connected to the worm in the worm gear transmission group 4-1; the worm in the worm gear transmission group 4-1 is arranged inside the crossbeam 1 through a bearing and a shaft rotation connection;

[0033] The screw rod 4-3 is fixedly arranged at the bottom end of the shaft inside the worm gear, and a movable tube 4-4 is sleeved on the screw rod 4-3 through a threaded connection, and a guide frame 4-5 is sleeved and fixed on the upper end of the movable tube 4-4, and the front and rear sides of the guide frame 4-5 are respectively slidably arranged in the guide grooves 1-1 opened in the vertical ends of the front and rear sides of the crossbeam 1;

[0034] Support block 4-6, the support block 4-6 is arranged at the lower side of the movable tube 4-4, the bottom end of the movable tube 4-4 is screwed and arranged in the support block 4-6 through a bearing, and driving wheels 4-7 are arranged on the left and right sides of the front side of the support block 4-6, and hanging ropes 4-8 are fixed on the driving wheels 4-7 respectively; the other end of the hanging rope 4-8 is connected to the hook 3;

[0035] Fixed guide wheels 4-9, there are four fixed guide wheels 4-9, which are arranged in groups of two on the left and right sides of the worm wheel, fixed in the beam 1, and two fixed guide wheels 4-9 in the same group are arranged opposite to each other up and down, and the suspension rope 4-8 is passed between the upper and lower fixed guide wheels 4-9;

[0036] By adopting the above design scheme, the screw 4-3 is rotated through the worm gear transmission group 4-1, driving the movable tube 4-4 to move, so that the support block 4-6 drives the driving wheel 4-7 to move, and the lifting rope 4-8 is adjusted to adjust the height of the hook 3. Embodiment 2:

[0037] See also Figure 1-Figure 4 , further improved on the basis of Example 1, a scroll motor 5 is arranged on the rear side of the support block 4-6, the scroll motor 5 is connected to an external power supply, and the specific use model of the scroll motor 5 is directly purchased and installed from the market according to actual use requirements; and the output end of the scroll motor 5 passes through the support block 4-6 and is connected to one of the driving wheels 4-7, and the other driving wheel 4-7 is rotationally connected to the support block 4-6 through a bearing; the rear end of the driving wheel 4-7 is sleeved and fixed with a gear 6, and the left and right gears 6 are meshed with each other;

[0038] Through the above technical solution design, the two gears 6 rotate to make the two driving wheels 4-7 roll the suspension rope 4-8 to adjust the position of the suspension hook 3. Embodiment 3:

[0039] See also Figure 1-Figure 4 , further improved on the basis of embodiment 1, the cross beam 1 is provided with support frames 7 on the left and right sides, the lower side of the support frame 7 is exposed from the cross beam 1, and the support frame 7 is arranged on the outside of the fixed guide wheel 4-9, and the rear side of the cross beam 1 is provided with support platforms 9 on the left and right sides, and a mobile motor 10 is arranged on the side wall of the support platform 9 on one side, and the mobile motor 10 is connected to an external power supply. The specific use model of the mobile motor 10 is directly purchased, installed and used from the market according to actual use requirements; a rotating shaft 11 is arranged on the output end of the mobile motor 10, and two sets of threaded rotating shafts 11 are arranged on the left and right sides. The threads are arranged in opposite directions of movement, and the threads arranged in opposite directions are respectively provided with moving blocks 12 through threaded screw sleeves, and the moving blocks 12 are respectively slid through the grooves 1-2 opened on the rear side of the beam 1, and are connected to the support frame 7; a tensioning wheel 8 is arranged in the support frame 7, the tensioning wheel 8 is arranged on the lower side of the beam 1, and the suspension ropes 4-8 are arranged on the outer side of the tensioning wheel 8; upper and lower opposite reinforcement wheels 13 are arranged in the support frame 7, the reinforcement wheel 13 is arranged on the inner side of the tensioning wheel 8, and the reinforcement wheel 13 is respectively arranged flush with the adjacent fixed guide wheels 4-9; the suspension ropes 4-8 are passed between the upper and lower reinforcement wheels 13;

[0040] By adopting the above design scheme, the tensioning wheel 8 is driven and adjusted to change the position of the hook 3.

[0041] When using the utility model, one end of the suspension rope 4-8 is connected to the driving wheel 4-7, and the other end passes through the two upper and lower adjacent fixed guide wheels 4-9 and the two upper and lower adjacent reinforcement wheels 13 in sequence, and then is on the outside of the tensioning wheel 8; by starting the driving motor 4-2 in the worm gear transmission group 4-1, the screw rod 4-3 is rotated, and the movable tube 4-4 is driven to move, so that the support block 4-6 moves, and the fixed guide wheel 4-9 drives the suspension rope 4-8 to move, thereby changing the length of the suspension rope 4-8 exposed to the tensioning wheel 8 and changing the position of the hook 3; secondly, the rolling motor 5 can also be started to make the two gears 6 rotate relative to each other, and the driving wheel 4-7 rotates to roll the suspension rope 4-8, which will also change the length of the suspension rope 4-8 exposed to the tensioning wheel 8 and change the position of the hook 3; finally, by starting the moving motor 10, the rotating shaft 11 is rotated, and the oppositely arranged threads make the two moving blocks 12 move synchronously, changing the positions of the two tensioning wheels 8 and further changing the distance between the left and right hooks 3.

[0042] After adopting the above structure, the beneficial effects of this specific implementation are:

[0043] 1. By driving the support block 4-6, the suspension rope 4-8 is driven to move, the exposed length of the other end of the suspension rope 4-8 is changed, and the height of the hook 3 is adjusted;

[0044] 2. When the driving wheel 4-7 rotates, the hanging rope 4-8 is rolled up, so that the other end of the hanging rope 4-8 moves, the exposed length of the hanging rope 4-8 is changed, and the height of the hook 3 is adjusted;

[0045] 3. Drive the support frame 7 to change the position of the tensioning wheel 8, thereby adjusting the distance between the left and right hooks 3.

[0046] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A fiber hanger with adjustable length, comprising a crossbeam (1) and a lifting lug (2), wherein the lifting lug (2) is arranged in the middle of the upper side of the crossbeam (1), and the crossbeam (1) is arranged in an inverted "U"-shaped structure; and hooks (3) are arranged opposite to each other on the lower side of the crossbeam (1); the characteristic is that: It also comprises an adjustment component (4), wherein the adjustment component (4) is arranged between the crossbeam (1) and the hook (3); the adjustment component (4) comprises: A worm gear transmission group (4-1), wherein the worm gear transmission group (4-1) is arranged in the middle of the interior of the crossbeam (1), and a drive motor (4-2) is arranged on the rear side of the crossbeam (1), and the output end of the drive motor (4-2) is connected to the worm in the worm gear transmission group (4-1); the worm in the worm gear transmission group (4-1) is arranged inside the crossbeam (1) through a bearing and a shaft rotation connection; A screw rod (4-3), the screw rod (4-3) being fixedly arranged at the bottom end of the shaft inside the worm gear, and a movable tube (4-4) being sleeved on the screw rod (4-3) through a threaded connection, a guide frame (4-5) being sleeved and fixed on the upper end of the movable tube (4-4), and the front and rear sides of the guide frame (4-5) being respectively slidably arranged in guide grooves (1-1) opened in the vertical ends of the front and rear sides of the crossbeam (1); A support block (4-6), wherein the support block (4-6) is arranged on the lower side of the movable tube (4-4), the bottom end of the movable tube (4-4) is screwed into the support block (4-6) via a bearing, and driving wheels (4-7) are arranged opposite to each other on the front left and right sides of the support block (4-6), and lifting ropes (4-8) are respectively fixed on the driving wheels (4-7); the other end of the lifting rope (4-8) is connected to the lifting hook (3); The fixed guide wheels (4-9) are four in number and are arranged in groups of two on the left and right sides of the worm wheel. The fixed guide wheels (4-9) are fixed in the crossbeam (1), and the two fixed guide wheels (4-9) in the same group are arranged opposite to each other up and down. The suspension rope (4-8) is passed between the upper and lower fixed guide wheels (4-9).

2. The length-adjustable fiber hanger according to claim 1, characterized in that: A rolling motor (5) is arranged on the rear side of the support block (4-6), and the rolling motor (5) is connected to an external power source; and the output end of the rolling motor (5) passes through the support block (4-6) and is connected to one of the driving wheels (4-7), and the other driving wheel (4-7) is rotationally connected to the support block (4-6) via a bearing; gears (6) are sleeved and fixed on the rear ends of the driving wheels (4-7), and the left and right gears (6) are meshed with each other.

3. The length-adjustable fiber hanger according to claim 1, characterized in that: Support frames (7) are arranged opposite to each other on the left and right sides of the cross beam (1), the lower side of the support frame (7) is exposed from the cross beam (1), and the support frame (7) is arranged on the outside of the fixed guide wheel (4-9), and a tensioning wheel (8) is arranged in the support frame (7), the tensioning wheel (8) is arranged on the lower side of the cross beam (1), and the suspension rope (4-8) is arranged on the outside of the tensioning wheel (8).

4. The length-adjustable fiber hanger according to claim 3, characterized in that: Support platforms (9) are arranged opposite to each other on the rear side of the crossbeam (1), and a moving motor (10) is arranged on the side wall of the support platform (9) on one side, and the moving motor (10) is connected to an external power supply; a rotating shaft (11) is arranged on the output end of the moving motor (10), and two groups of threads with opposite rotation directions are arranged opposite to each other on the rotating shaft (11), and moving blocks (12) are respectively arranged on the oppositely arranged threads through threaded screw sleeves, and the moving blocks (12) are respectively slid through the grooves (1-2) opened on the rear side of the crossbeam (1) and are connected to the support frame (7).

5. The length-adjustable fiber hanger according to claim 4, characterized in that: The support frame (7) is provided with upper and lower opposite reinforcement wheels (13), the reinforcement wheels (13) are arranged on the inner side of the tension wheel (8), and the reinforcement wheels (13) are respectively arranged flush with adjacent fixed guide wheels (4-9); the suspension rope (4-8) is passed between the upper and lower reinforcement wheels (13).

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