Tensioning structure of sleeve type polyurethane sweeper

Abstract

The utility model provides a tensioning structure of a sleeve type polyurethane sweeper, which comprises an adjusting rod, a plurality of adjusting grooves are arranged in the adjusting rod, a polyurethane sleeve is arranged on the surface of the adjusting rod, a plurality of fixing grooves are arranged in the polyurethane sleeve, two fixing sleeves are sleeved on the surface of the polyurethane sleeve, and the fixing sleeves are sleeved on the adjusting rod. A plurality of fixing pieces are arranged in the two fixing sleeves, the mounting frame is arranged on the surface of the adjusting rod, a plurality of mounting holes are formed in the mounting frame, and the limiting sleeve is arranged on the surface of the adjusting rod. According to the tensioning structure of the sleeve type polyurethane sweeper, the polyurethane sleeve is used for replacing an original metal spring, the polyurethane sleeve has better corrosion resistance and is light in structure, after the limiting piece is detached, the limiting sleeve is rotated, the polyurethane sleeve is twisted, and therefore the tensioning structure of the sleeve type polyurethane sweeper is formed. Therefore, the tension degree of the polyurethane cleaning blade is adjusted.

Description

Technical Field

[0001] The utility model relates to the field of polyurethane sweepers, in particular to a tensioning structure of a sleeve-type polyurethane sweeper. Background Art

[0002] Polyurethane sweepers are mainly made of polyurethane material for the cutter head. Generally, polyurethane sweepers are mainly used in the first sweeper to clean large-particle media and materials. The physical properties of polyurethane determine its wide application in the sweeper cutter head.

[0003] Nowadays, the polyurethane cleaning blade of the polyurethane sweeper is used to scrape off sticky materials or debris attached to the surface of the conveyor belt. The current polyurethane sweeper uses a metal spring to make the polyurethane cleaning blade fit the surface of the conveyor belt while adjusting the tension between the polyurethane cleaning blade and the conveyor belt. As a result, the metal spring will be corroded and rusted due to the adhesion of dust, moisture and other substances over a long period of use, thus affecting its use.

[0004] Therefore, it is necessary to provide a tensioning structure of a sleeve-type polyurethane sweeper to solve the above technical problems. Utility Model Content

[0005] The utility model provides a tensioning structure for a sleeve-type polyurethane sweeper, which solves the problem that the metal spring of the polyurethane sweeper may be corroded and rusted due to the adhesion of dust, moisture and other substances, thereby affecting the use.

[0006] In order to solve the above technical problems, the utility model provides a tensioning structure of a sleeve-type polyurethane sweeper, comprising:

[0007] An adjusting rod, wherein a plurality of adjusting slots are formed inside the adjusting rod;

[0008] A polyurethane sleeve, the polyurethane sleeve being arranged on the surface of the adjusting rod, the interior of the polyurethane sleeve being provided with a plurality of fixing grooves, the surface of the polyurethane sleeve being provided with two fixing sleeves, the interiors of the two fixing sleeves being provided with a plurality of fixing parts;

[0009] A mounting bracket, the mounting bracket being arranged on the surface of the adjusting rod, and a plurality of mounting holes being opened inside the mounting bracket;

[0010] The limiting sleeve is arranged on the surface of the adjusting rod, a plurality of limiting holes are opened inside the limiting sleeve, and a limiting member is arranged inside the limiting hole.

[0011] Preferably, the adjusting rod is slidably connected to the inside of the mounting bracket and is sleeved inside the polyurethane sleeve and the limiting sleeve.

[0012] Preferably, a mounting sleeve is provided on one side of the mounting frame, and a positioning sleeve is provided on the surface of the mounting sleeve.

[0013] Preferably, the positioning sleeve is a threaded sleeve, and the surface of the mounting sleeve is provided with threads that match the positioning sleeve.

[0014] Preferably, a plurality of rotating rods are rotatably connected inside the mounting sleeve, and one side of each of the plurality of rotating rods is fixedly connected to a limiting rod.

[0015] Preferably, a torsion spring is sleeved on the surface of the plurality of rotating rods, and one end of the torsion spring is fixedly connected to the inside of the limiting rod.

[0016] Preferably, a plurality of positioning grooves are provided inside the polyurethane sleeve, and positioning blocks are slidably connected inside the plurality of positioning grooves.

[0017] Compared with the related art, the tensioning structure of the sleeve-type polyurethane sweeper provided by the present invention has the following beneficial effects:

[0018] The utility model provides a tensioning structure of a sleeve-type polyurethane sweeper. A polyurethane sleeve is used to replace the previous metal spring. The polyurethane sleeve has better corrosion resistance and a lightweight structure. After the limit piece is removed, the limit sleeve is rotated to twist the polyurethane sleeve, thereby adjusting the tension of the polyurethane cleaning blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of a first embodiment of a tensioning structure of a sleeve-type polyurethane sweeper provided by the utility model;

[0020] Figure 2 for Figure 1 An enlarged schematic diagram of part A is shown;

[0021] Figure 3 for Figure 1 An enlarged schematic diagram of part B is shown;

[0022] Figure 4 This is a structural schematic diagram of a second embodiment of a tensioning structure of a sleeve-type polyurethane sweeper provided by the utility model;

[0023] Figure 5 for Figure 4 An enlarged schematic diagram of part C is shown.

[0024] Numbers in the figure: 1. Adjusting rod, 2. Polyurethane sleeve, 21. Fixing slot, 22. Fixing sleeve, 23. Fixing part, 3. Mounting frame, 4. Mounting hole, 5. Limiting sleeve, 6. Limiting hole, 7. Limiting part, 8. Adjusting slot, 9. Mounting sleeve, 10. Rotating rod, 11. Limiting rod, 12. Torsion spring, 13. Positioning sleeve, 14. Positioning slot, 15. Positioning block. DETAILED DESCRIPTION

[0025] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0026] First embodiment

[0027] Please refer to Figure 1 、 Figure 2 and Figure 3 ,in, Figure 1 This is a structural schematic diagram of a first embodiment of a tensioning structure of a sleeve-type polyurethane sweeper provided by the utility model; Figure 2 for Figure 1 An enlarged schematic diagram of part A is shown; Figure 3 for Figure 1 The enlarged schematic diagram of part B is shown. A tensioning structure of a sleeve-type polyurethane sweeper includes:

[0028] An adjusting rod 1, wherein a plurality of adjusting slots 8 are formed inside the adjusting rod 1;

[0029] A polyurethane sleeve 2 is provided on the surface of the adjusting rod 1. A plurality of fixing grooves 21 are provided inside the polyurethane sleeve 2. Two fixing sleeves 22 are provided on the surface of the polyurethane sleeve 2. A plurality of fixing members 23 are provided inside the two fixing sleeves 22.

[0030] A mounting frame 3, the mounting frame 3 is arranged on the surface of the adjusting rod 1, and a plurality of mounting holes 4 are opened inside the mounting frame 3;

[0031] The limiting sleeve 5 is arranged on the surface of the adjusting rod 1 , and a plurality of limiting holes 6 are opened inside the limiting sleeve 5 , and a limiting member 7 is arranged inside the limiting hole 6 .

[0032] The fixing member 23 is a bolt, and the interiors of the fixing sleeve 22, the mounting frame 3 and the limiting sleeve 5 are all provided with a plurality of threaded holes adapted to the bolts, for limiting the position between the fixing sleeve 22 and the mounting frame 3 and between the fixing sleeve 22 and the limiting sleeve 5.

[0033] A plurality of fixing grooves 21 are provided inside the polyurethane sleeve 2 and at both ends. After the fixing sleeve 22 is limited by the fixing piece 23, the fixing piece 23 enters the interior of the fixing groove 21, and the limiting sleeve 5 is driven to rotate to one side by rotating the adjusting rod 1 to drive the plurality of fixing pieces 23 to rotate to one side while clamping one end of the polyurethane sleeve 2.

[0034] A plurality of limiting holes 6 are provided inside the limiting sleeve 5 for limiting the position of the limiting sleeve 5 by the limiting member 7 after the limiting sleeve 5 is rotated to one side to a suitable position.

[0035] The limiting member 7 includes a bolt and a nut, which are used to limit the position between the limiting sleeve 5 and the adjusting rod 1 by inserting the bolt into the limiting hole 6, passing through the adjusting groove 8, and then coming out from the other side.

[0036] The adjusting rod 1 is slidably connected to the inside of the mounting bracket 3 and is sleeved inside the polyurethane sleeve 2 and the limiting sleeve 5 .

[0037] By loosening the limiter 7 and moving the adjusting rod 1 to one side, the adjusting slot 8 is moved to a suitable position on the surface of the limiter 7, and then resetting the limiter 7, the adjusting rod 1 and the limit sleeve 5 can be limited.

[0038] The working principle of the tensioning structure of the sleeve-type polyurethane sweeper provided by the utility model is as follows:

[0039] When in use, the adjusting rod 1 rotates to one side, driving the limit sleeve 5 connected to the polyurethane sleeve 2 to rotate to one side and twist, so that the polyurethane cleaning blade can better fit the surface of the conveyor belt through the elastic force of the polyurethane sleeve 2.

[0040] After the limiting member 7 is removed, the limiting sleeve 5 is rotated to one side to drive the polyurethane sleeve 2 to rotate to one side to generate a suitable degree of twisting, and then the limiting member 7 is installed.

[0041] Compared with the related art, the tensioning structure of the sleeve-type polyurethane sweeper provided by the present invention has the following beneficial effects:

[0042] The utility model provides a tensioning structure of a sleeve-type polyurethane sweeper, by using a polyurethane sleeve 2 to replace the previous metal spring, and the polyurethane sleeve 2 has better corrosion resistance and a lightweight structure. After the limit piece 7 is removed, the limit sleeve 5 is rotated to cause the polyurethane sleeve 2 to twist, thereby adjusting the tension of the polyurethane cleaning blade.

[0043] Second embodiment

[0044] Please refer to Figure 4 and Figure 5 Based on the tensioning structure of a sleeve-type polyurethane sweeper provided in the first embodiment of this application, the second embodiment of this application provides another tensioning structure for a sleeve-type polyurethane sweeper. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0045] Specifically, the second embodiment of the present application provides a tensioning structure of a sleeve-type polyurethane sweeper. The difference is that, in a tensioning structure of a sleeve-type polyurethane sweeper, a mounting sleeve 9 is provided on one side of the mounting frame 3, and a positioning sleeve 13 is provided on the surface of the mounting sleeve 9.

[0046] The mounting sleeve 9 is fixed to one side of the mounting frame 3 by means of bolts.

[0047] The positioning sleeve 13 is a threaded sleeve, and a thread matching the positioning sleeve 13 is formed on the surface of the mounting sleeve 9 .

[0048] The surface of the limiting sleeve 5 is also provided with a thread adapted to the positioning sleeve 13 , and the positioning sleeve 13 is connected to the surface thread.

[0049] A plurality of rotating rods 10 are rotatably connected to the interior of the installation sleeve 9 , and one side of each of the plurality of rotating rods 10 is fixedly connected to a limiting rod 11 .

[0050] A plurality of rotating rods 10 are rotatably connected to the interior of the installation sleeve 9 and the limiting sleeve 5 , and a limiting rod 11 is fixedly connected to one side of the plurality of rotating rods 10 .

[0051] A torsion spring 12 is sleeved on the surface of the plurality of rotating rods 10 , and one end of the torsion spring 12 is fixedly connected to the interior of the limiting rod 11 .

[0052] One end of multiple torsion springs 12 is fixedly connected to the inside of multiple rotating rods 10, and the other end is fixedly connected to the inside of the mounting sleeve 9 and the limiting sleeve 5, so that when the limiting rod 11 rotates to one side and enters the inside of the fixing groove 21, the torsion spring 12 starts to tighten, and when the positioning sleeve 13 rotates to one side, so that the surface of the mounting sleeve 9 rotates to one side to a suitable position, the torsion spring 12 resets and drives the limiting rod 11 to automatically rotate to one side and separate from the fixing groove 21.

[0053] A plurality of positioning grooves 14 are formed inside the polyurethane sleeve 2 , and positioning blocks 15 are slidably connected to the interior of each of the positioning grooves 14 .

[0054] One end of multiple positioning blocks 15 is fixedly connected to the bottom of multiple limiting rods 11, and is used to increase the limiting rods 11 to limit the polyurethane sleeve 2 after the limiting rods 11 are rotated to one side to a suitable position and the positioning blocks 15 enter the interior of the positioning groove 14.

[0055] The working principle of the tensioning structure of the sleeve-type polyurethane sweeper provided by the utility model is as follows:

[0056] During use, the positioning sleeve 13 is rotated to one side so that the surface of the limiting sleeve 5 moves to one side to a suitable position, and then the limiting rod 11 is rotated to one side to a suitable position and separated from the fixing groove 21, so that the limiting sleeve 5 and the polyurethane sleeve can be separated.

[0057] Compared with the related art, the tensioning structure of the sleeve-type polyurethane sweeper provided by the present invention has the following beneficial effects:

[0058] The utility model provides a tensioning structure for a sleeve-type polyurethane sweeper. By rotating the positioning sleeve 13 to one side to a suitable position, rotating the limiting rod 11 to one side to a suitable position and then separating it from the fixing groove 21, the limiting sleeve 5 and the polyurethane sleeve can be separated, thereby facilitating the installation and disassembly of the polyurethane sleeve 2 and the replacement of the polyurethane sleeve 2.

[0059] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A tensioning structure of a sleeve-type polyurethane sweeper, characterized in that: include: An adjusting rod, wherein a plurality of adjusting slots are formed inside the adjusting rod; A polyurethane sleeve, the polyurethane sleeve being arranged on the surface of the adjusting rod, the interior of the polyurethane sleeve being provided with a plurality of fixing grooves, the surface of the polyurethane sleeve being provided with two fixing sleeves, the interiors of the two fixing sleeves being provided with a plurality of fixing parts; A mounting bracket, the mounting bracket being arranged on the surface of the adjusting rod, and a plurality of mounting holes being opened inside the mounting bracket; The limiting sleeve is arranged on the surface of the adjusting rod, a plurality of limiting holes are opened inside the limiting sleeve, and a limiting member is arranged inside the limiting hole.

2. The tensioning structure of a sleeve-type polyurethane sweeper according to claim 1, characterized in that: The adjusting rod is slidably connected to the interior of the mounting frame and is sleeved inside the polyurethane sleeve and the limiting sleeve.

3. The tensioning structure of a sleeve-type polyurethane sweeper according to claim 1, characterized in that: A mounting sleeve is provided on one side of the mounting frame, and a positioning sleeve is provided on the surface of the mounting sleeve.

4. The tensioning structure of a sleeve-type polyurethane sweeper according to claim 3, characterized in that: The positioning sleeve is a threaded sleeve, and the surface of the installation sleeve is provided with threads that match the positioning sleeve.

5. The tensioning structure of a sleeve-type polyurethane sweeper according to claim 4, characterized in that: A plurality of rotating rods are rotatably connected inside the mounting sleeve, and one side of each of the plurality of rotating rods is fixedly connected to a limiting rod.

6. The tensioning structure of a sleeve-type polyurethane sweeper according to claim 5, characterized in that: A torsion spring is sleeved on the surface of the plurality of rotating rods, and one end of the torsion spring is fixedly connected to the interior of the limiting rod.

7. The tensioning structure of a sleeve-type polyurethane sweeper according to claim 2, characterized in that: A plurality of positioning grooves are provided inside the polyurethane sleeve, and positioning blocks are slidably connected inside the plurality of positioning grooves.

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