Elastic upper belt conveyor deviation correcting idler and its assembly method

Abstract

The present invention discloses an elastic belt conveyor self-aligning idler and its assembly method. The elastic self-aligning idler body includes an elastic idler assembly, a thrust ball bearing, a tightening nut and a main bracket. The elastic idler assembly is a left-right symmetric structure. The elastic idler assembly includes a roller support rod and a roller support frame which are arranged in parallel and connected. A horizontal roller is installed above the roller support frame. A connecting shaft is also provided on the roller support frame. At both ends of the roller support rod, a left and right side roller adjustable bracket is connected respectively. A strong spring and an adjusting spring top sleeve are sleeved on the tail of the left and right side roller adjustable bracket. The upper part of the left and right side roller adjustable bracket is elastically supported by the left and right side rollers to connect the left and right side rollers. The connecting shaft sequentially passes through the roller support frame, the thrust ball bearing and the main bracket from top to bottom and is fixed by the tightening nut. The present invention increases the self-aligning force and improves the self-aligning effect.

Description

Technical Field

[0001] The present invention belongs to the technical field of machinery, and particularly relates to an elastic belt conveyor centering idler and its assembly method. Background Art

[0002] In existing industries such as cement, metallurgy, chemical industry, coal, electric power, mining, coking, and iron and steel, belt conveyors are often used to transport materials (such as coal, ore, etc.) during the material transportation process.

[0003] Due to the deviation of the conveyor belt during the material transportation process of the belt conveyor, it causes a reduction in the transportation volume, material spillage, and even requires shutdown and maintenance due to severe deviation, thus wasting a large amount of manpower, material resources, and financial resources. Therefore, in order to solve this problem, many manufacturers have designed and produced various centering devices.

[0004] The centering idler installed on the load-bearing surface in a belt conveyor is often called an upper centering idler. In the existing upper centering idler, it is often found that the centering effect is not good during use. The reason is that the centering force is insufficient. The new elastic upper centering idler of the belt conveyor adopts the centering method of automatically restoring the swing imbalance of the original upper centering idler, and adds a set of elastic devices, thereby greatly increasing the centering force and greatly improving the centering effect. Summary of the Invention

[0005] The present invention provides an elastic belt conveyor centering idler and its assembly method to solve the problems in the prior art.

[0006] To achieve the above object, the technical solution adopted by the present invention is as follows:

[0007] An elastic belt conveyor centering idler includes an elastic centering idler body 6.

[0008] The elastic centering idler body 6 includes an elastic idler assembly 1, a thrust ball bearing 2, a tightening nut 4, and a main bracket 5 that are symmetrically arranged left and right.

[0009] The elastic idler assembly 1 includes a roller support rod 111 and a roller support frame 115 that are arranged in parallel and connected. A horizontal roller 113 is installed above the roller support frame 115. A connecting shaft 116 is also provided on the roller support frame 115. Both ends of the roller support rod 111 are each connected with a left and right side roller adjustable bracket 106. A strong spring 105 and an adjusting spring top sleeve 104 are sleeved on the tail of the left and right side roller adjustable bracket 106. A spring sheath 103 is respectively installed at both ends of the roller support rod 111 to sleeve the left and right side roller adjustable bracket 106, the strong spring 105, and the adjusting spring top sleeve 104 therein. The upper part of the left and right side roller adjustable bracket 106 is connected to the left and right side rollers 112 through a left and right side roller elastic support 114.

[0010] The connecting shaft 116 passes through the idler support frame 115, the thrust ball bearing 2 and the main support 5 from top to bottom in sequence, and is fixed by a tightening nut 4.

[0011] Furthermore, the left and right roller adjustable brackets 106 include vertical rods 1062 fixed on horizontal rods 1061. One end of the horizontal rod 1061 is connected to the idler support rod 111, the other end of the horizontal rod 1061 is connected to the tail of the spring sheath 103, and a connecting sleeve I 1063 is arranged at the upper end of the vertical rod 1062.

[0012] Furthermore, a connecting sleeve II 1121 is arranged at the bottom of the left and right rollers 112. One end of the left and right roller elastic support 114 is fixed in the connecting sleeve I 1063, and the other end of the left and right roller elastic support 114 is fixed in the connecting sleeve II 1121.

[0013] Furthermore, an adjustable bracket sleeve 109 for fixing the left and right rollers is sleeved on the outer wall at the connection of the idler support rod 111 and the left and right roller adjustable brackets 106. The adjustable bracket sleeve 109 for fixing the left and right rollers is fixed at the connection of the idler support rod 111 and the left and right roller adjustable brackets 106 through an adjustable bracket bolt 107 for fixing the left and right rollers and an adjustable bracket nut 108 for fixing the left and right rollers.

[0014] Furthermore, a spring sheath 103 is installed at each end of the idler support rod 111, and the left and right roller adjustable brackets 106, the strong spring 105 and the adjusting spring top sleeve 104 are sleeved therein.

[0015] Furthermore, the spring sheath 103 is sleeved on the end of the idler support rod 111, and a spring sheath fixing sleeve 110 is installed on the outer wall of the spring sheath 103 to fasten the spring sheath 103 and the end of the idler support rod 111.

[0016] Furthermore, the tail of the spring sheath 103 is fixed to the tail of the left and right roller adjustable brackets 106 through an adjusting spring bolt 101 and an adjusting spring nut 102.

[0017] Furthermore, downward U-shaped grooves 1151 are arranged at the tops of the two side walls of the idler support frame 115, and the two ends of the horizontal idler 113 are clamped into the U-shaped grooves 1151.

[0018] Furthermore, the elastic upward deviation idler body 6 further includes a washer 3, and the washer 3 is also sleeved on the connecting shaft 116 and is located between the thrust ball bearing 2 and the main support 5.

[0019] Furthermore, there are two tightening nuts 4.

[0020] An assembly method for an elastic upper deviation-adjusting idler of a belt conveyor, comprising the following steps:

[0021] Step 1: Sleeves 110 of two spring sheaths are respectively sleeved on both ends of a roller support rod 111;

[0022] Step 2: Take two left and right roller adjustable bracket sleeves 109 and two left and right roller adjustable brackets 106. Sleeve a left and right roller adjustable bracket sleeve 109 on one left and right roller adjustable bracket 106, and then insert the two left and right roller adjustable brackets 106 into both ends of the roller support rod 111 respectively;

[0023] Step 3: Take two spring sheaths 103, two adjusting spring top sleeves 104 and two strong springs 105. Insert an adjusting spring top sleeve 104 and a strong spring 105 into a spring sheath 103 in sequence, and then insert the two spring sheaths 103 into both ends of the roller support rod 111 respectively, and thermally sleeve the sleeve 110 of the spring sheath onto the spring sheath 103 to fix firmly;

[0024] Step 4: Take two spring nuts 102 and two adjusting spring bolts 101. Install an adjusting spring nut 102 on an adjusting spring bolt 101, and screw an adjusting spring bolt 101 into the end of the spring sheath 103 and tighten it;

[0025] Step 5: Fix the left and right roller adjustable bracket bolts 107 and the left and right roller adjustable bracket nuts 108 to firmly fix the left and right roller adjustable bracket sleeves 109;

[0026] Step 6: Weld one end of the left and right roller elastic supports 114 inside the connecting sleeve I1063, and weld the other end of the left and right roller elastic supports 114 to the connecting sleeve II1121. When welding, pay attention to cooling the left and right roller adjustable brackets 106 and the left and right rollers 112 with a wet cloth;

[0027] Step 7: Invert the assembly assembled in Step 6 onto the installation tooling rack, and then put the thrust ball bearing 2 and the washer 3 on the connecting shaft 116;

[0028] Step 8: Sleeve the main bracket 5 on the connecting shaft 116, and tighten it with 2 tightening nuts 4;

[0029] Step 9: Turn the assembly assembled in Step 8 over and place it on the installation table, and then put the horizontal roller 113 into the U-shaped groove 1151.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] The present invention adopts the original deviation adjustment method of automatically restoring the swing imbalance of the upper deviation idler, and adds a set of elastic devices, thereby greatly increasing the deviation adjustment force and significantly improving the deviation adjustment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 is a schematic structural diagram of the present invention;

[0033] Figure 2 is an axonometric exploded view of the present invention;

[0034] Figure 3 is an axonometric exploded view of the elastic idler assembly in the present invention;

[0035] Figure 4 is an axonometric view of the elastic idler assembly in the present invention;

[0036] Figure 5 is a schematic diagram of the normal operation of the elastic upper deviation idler on the conveyor belt in the present invention;

[0037] Figure 6 is Figure 5 the top view of;

[0038] Figure 7 is a schematic diagram of the deviation state of the elastic upper deviation idler on the conveyor belt in the present invention;

[0039] Figure 8 is Figure 7 the top view of;

[0040] Wherein: 1 - elastic idler assembly, 101 - adjusting spring bolt, 102 - adjusting spring nut, 103 - spring sheath, 104 - adjusting spring top sleeve, 105 - strong spring, 106 - left and right side roller adjustable bracket, 1061 - horizontal rod, 1062 - vertical rod, 1063 - connecting sleeve I, 107 - bolt for fixing the left and right side roller adjustable bracket, 108 - nut for fixing the left and right side roller adjustable bracket, 109 - sleeve for fixing the left and right side roller adjustable bracket, 110 - fixed sleeve for spring sheath, 111 - roller support rod, 112 - left and right side rollers, 1121 - connecting sleeve II, 113 - horizontal idler, 114 - elastic support for left and right side rollers, 115 - roller support frame, 1151 - U-shaped groove, 116 - connecting shaft, 2 - thrust ball bearing, 3 - washer, 4 - locking nut, 5 - main bracket, 6 - elastic upper deviation idler body, 7 - conveyor belt of belt conveyor, 8 - installation bracket of belt conveyor, 9 - ordinary idler of belt conveyor. DETAILED DESCRIPTION OF THE INVENTION

[0041] The present invention will be further described below in conjunction with embodiments. Embodiment

[0042] As Figures 1-4As shown in the figure, an elastic upper belt deviation correcting idler for a belt conveyor is a device for automatically correcting the deviation of the conveyor belt during the process of transporting materials. The elastic upper belt deviation correcting idler body 6 includes an elastic idler assembly 1, a thrust ball bearing 2, a washer 3, a tightening nut 4, and a main bracket 5, which are symmetrically arranged left and right. The elastic idler assembly 1 includes a roller support rod 111 and a roller support frame 115 that are arranged in parallel and connected. Above the roller support frame 115, a horizontal idler 113 is installed. A connecting shaft 116 is also provided on the roller support frame 115. At both ends of the roller support rod 111, a left and right side roller adjustable bracket 106 is connected respectively. At the tail of the left and right side roller adjustable bracket 106, a strong spring 105 and an adjusting spring top sleeve 104 are sleeved. At both ends of the roller support rod 111, a spring sheath 103 is installed respectively to sleeve the left and right side roller adjustable bracket 106, the strong spring 105, and the adjusting spring top sleeve 104 therein. Above the left and right side roller adjustable bracket 106, the left and right side rollers 112 are connected through a left and right side roller elastic support 114. The connecting shaft 116 passes through the roller support frame 115, the thrust ball bearing 2, the washer 3, and the main bracket 5 from top to bottom, and is fixed by two tightening nuts 4. The elastic idler assembly 1 is fixed to the main bracket group 5 through the thrust ball bearing 2, the washer 3, and the tightening nut 4, enabling the elastic idler assembly 1 to swing freely. In particular, the thrust ball bearing 2 makes the new elastic upper belt deviation correcting idler of the belt conveyor swing flexibly. When installed, the strong spring 105 is at both ends of the left and right side rollers 112. The strong spring 105 enhances the deviation correcting force of the present invention, thus greatly improving the deviation correcting effect.

[0043] As a preferred solution, the left and right side roller adjustable bracket 106 includes a vertical rod 1062 fixed on a horizontal rod 1061. One end of the horizontal rod 1061 is connected to the roller support rod 111, and the other end of the horizontal rod 1061 is connected to the tail of the spring sheath 103. At the upper end of the vertical rod 1062, a connecting sleeve I 1063 is provided. At the bottom of the left and right side rollers 112, a connecting sleeve II 1121 is provided. One end of the left and right side roller elastic support 114 is fixed in the connecting sleeve I 1063, and the other end of the left and right side roller elastic support 114 is fixed in the connecting sleeve II 1121. The left and right side roller elastic support 114 enables the left and right side rollers to have a certain elastic force.

[0044] As a preferred solution, a fixed left and right roller adjustable bracket sleeve 109 is sleeved on the outer wall of the connection between the roller support rod 111 and the left and right roller adjustable brackets 106. The fixed left and right roller adjustable bracket sleeve 109 is fixed to the connection between the roller support rod 111 and the left and right roller adjustable brackets 106 through a fixed left and right roller adjustable bracket bolt 107 and a fixed left and right roller adjustable bracket nut 108. The fixed left and right roller adjustable bracket bolt 107, the fixed left and right roller adjustable bracket nut 108 and the fixed left and right roller adjustable bracket sleeve 109 enable the left and right rollers 112 to be installed in a proper position.

[0045] As a preferred solution, the spring sheath 103 is sleeved on the end of the roller support rod 111, and a spring sheath fixing sleeve 110 is installed on the outer wall of the spring sheath 103 to fasten the spring sheath 103 to the end of the roller support rod 111.

[0046] As a preferred solution, the tail of the spring sheath 103 is fixed to the tail of the left and right roller adjustable bracket 106 through an adjusting spring bolt 101 and an adjusting spring nut 102. The adjusting spring bolt 101, the spring nut 102 and the adjusting spring top sleeve 104 should be used in pairs during installation. The spring bolt 101, the spring nut 102 and the adjusting spring top sleeve 104 enable the present invention to be adjusted to a proper elastic force.

[0047] As a preferred solution, downward U-shaped grooves 1151 are provided at the tops of the two side walls of the roller support frame 115, and the two ends of the horizontal roller 113 are clamped into the U-shaped grooves 1151. Embodiment

[0048] As Figures 1-4 shown, an assembly method of an elastic upper deviation adjusting roller for a belt conveyor includes the following steps:

[0049] Step 1: Sleeve two spring sheath fixing sleeves 110 on the two ends of the roller support rod 111 respectively;

[0050] Step 2: Take two left and right roller adjustable bracket sleeves 109 and two left and right roller adjustable brackets 106. Sleeve a left and right roller adjustable bracket sleeve 109 on one left and right roller adjustable bracket 106, and then insert the two left and right roller adjustable brackets 106 into the two ends of the roller support rod 111 respectively;

[0051] Step 3: Take two spring sheaths 103, two adjusting spring top sleeves 104 and two strong springs 105. Insert an adjusting spring top sleeve 104 and a strong spring 105 into a spring sheath 103 in sequence, then insert the two spring sheaths 103 into the two ends of the roller support rod 111 respectively, and use the spring sheath fixing sleeve 110 to thermally sleeve onto the spring sheath 103 to fix firmly;

[0052] Step 4: Take two spring nuts 102 and two adjusting spring bolts 101. Install one adjusting spring nut 102 on one adjusting spring bolt 101, and screw one adjusting spring bolt 101 into the end of the spring sheath 103 and tighten it.

[0053] Step 5: Use the left and right roller adjustable bracket bolts 107 and the left and right roller adjustable bracket nuts 108 to firmly fix the left and right roller adjustable bracket sleeve 109.

[0054] Step 6: Weld one end of the left and right roller elastic supports 114 inside the connecting sleeve I 1063, and weld the other end of the left and right roller elastic supports 114 to the connecting sleeve II 1121. When welding, pay attention to cooling the left and right roller adjustable brackets 106 and the left and right rollers 112 with a wet cloth.

[0055] Step 7: Invert the assembly assembled in Step 6 onto the installation tooling rack, and then put the thrust ball bearing 2 and the washer 3 on the connecting shaft 116.

[0056] Step 8: Put the main bracket 5 on the connecting shaft 116 and tighten it with 2 clamping nuts 4.

[0057] Step 9: Turn the assembly assembled in Step 8 over and place it on the installation table, and then put the horizontal idler 113 into the U-shaped groove 1151. Embodiment

[0058] As Figure 5 and 6 shown, in the present invention, the elastic upper deviation idler body 6 is in the schematic diagram of the normal operation of the conveyor belt.

[0059] As Figure 7 and 8 shown, in the present invention, the elastic upper deviation idler body 6 is in the schematic diagram of the conveyor belt running off track.

[0060] The specific usage method of the elastic upper deviation idler body 6 in the present invention:

[0061] Install it at the usage site. Install the elastic upper deviation idler body 6 on the installation bracket 8 of the belt conveyor. When installing, pay attention to making the central plane of the elastic upper deviation idler body 6 coincide with the central plane of the conveyor belt 7 of the belt conveyor; and the central axis of the elastic upper deviation idler body 6 is perpendicular to the central plane of the conveyor belt 7 of the belt conveyor; through the three parts of the left and right roller adjustable bracket bolts 107, the left and right roller adjustable bracket nuts 108 and the left and right roller adjustable bracket sleeve 109, the left and right rollers 112 can be installed and fixed at a suitable position; adjust the adjusting spring bolt 101 and the adjusting spring nut part 102 to make the strong spring 105 obtain a pre-tightening elastic force; this installation state is the state of the elastic upper deviation idler under the normal operation state of the belt conveyor. AsFigure 6 as shown

[0062] The working principle of the elastic upward adjustment offset idler body 6 in the present invention:

[0063] The present invention applies the principle of elastic force plus automatic balance: when the conveyor belt of the belt conveyor deviates, it causes the central plane of the conveyor belt to deviate from the central plane of the elastic upward adjustment offset idler of the belt conveyor. When installing the elastic upward adjustment offset idler of the belt conveyor, it is required that the two central planes coincide, as Figure 6 shown

[0064] When the conveyor belt of the belt conveyor deviates, it causes the central plane of the conveyor belt to deviate from the central plane of the automatic deviation adjustment idler. As a result, the driving of the conveyor belt causes the elastic upward adjustment offset idler of the belt conveyor to lose balance, generating a swing, making the central axis of the elastic upward adjustment offset idler body 6 not perpendicular to the central plane of the conveyor belt 7 of the belt conveyor. The central plane of the conveyor belt does not coincide and is not parallel to the central plane of the new elastic upward adjustment offset idler of the belt conveyor. At the same time, due to the action of the strong spring 105 and the elastic supports 114 on the left and right rollers, the left and right rollers 112 shift, and the two are superimposed, as Figure 8 shown

[0065] The elastic upward adjustment offset idler of the belt conveyor is in an unstable state; in order to restore to a stable state, the elastic upward adjustment offset idler of the belt conveyor needs to swing in the opposite direction to reset and reach a balanced state again. This effect generates an automatic deviation adjustment effect. And due to the action of the strong spring 105 and the elastic supports 114 on the left and right rollers, the deviation adjustment force of the elastic upward adjustment offset idler of the belt conveyor in the present invention is enhanced, thereby greatly improving the deviation adjustment effect.

[0066] The above is only the preferred embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A belt conveyor elastic upper deviation correcting idler, characterized in that the elastic upper deviation correcting idler body (6) includes an elastic idler assembly (1), a thrust ball bearing (2), a tightening nut (4) and a main bracket (5) which are symmetrically structured left and right, the elastic idler assembly (1) includes a roller support rod (111) and a roller support frame (115) which are arranged in parallel and connected. A horizontal idler (113) is installed above the roller support frame (115). A connecting shaft (116) is also arranged on the roller support frame (115). At both ends of the roller support rod (111), a left and right side roller adjustable bracket (106) is connected respectively. At the tail of the left and right side roller adjustable bracket (106), a strong spring (105) and an adjusting spring top sleeve (104) are sleeved. At both ends of the roller support rod (111), a spring sheath (103) is installed respectively to sleeve the left and right side roller adjustable bracket (106), the strong spring (105) and the adjusting spring top sleeve (104) therein. Above the left and right side roller adjustable bracket (106), the left and right side rollers (112) are connected through a left and right side roller elastic support (114), the connecting shaft (116) sequentially passes through the roller support frame (115), the thrust ball bearing (2) and the main bracket (5) from top to bottom, and is fixed by a tightening nut (4); the left and right side roller adjustable bracket (106) includes a vertical rod (1062) fixed on a horizontal rod (1061). One end of the horizontal rod (1061) is connected to the roller support rod (111), and the other end of the horizontal rod (1061) is connected to the tail of the spring sheath (103). At the upper end of the vertical rod (1062), a connecting sleeve I (1063) is provided; at the bottom of the left and right side rollers (112), a connecting sleeve II (1121) is provided. One end of the left and right side roller elastic support (114) is fixed in the connecting sleeve I (1063), and the other end of the left and right side roller elastic support (114) is fixed in the connecting sleeve II (1121).

2. The belt conveyor elastic upper deviation correcting idler according to claim 1, characterized in that a fixed left and right side roller adjustable bracket sleeve (109) is sleeved on the outer wall of the connection part between the roller support rod (111) and the left and right side roller adjustable bracket (106). The fixed left and right side roller adjustable bracket sleeve (109) is fixed to the connection part between the roller support rod (111) and the left and right side roller adjustable bracket (106) through a fixed left and right side roller adjustable bracket bolt (107) and a fixed left and right side roller adjustable bracket nut (108).

3. The belt conveyor elastic upper deviation correcting idler according to claim 2, characterized in that the spring sheath (103) is sleeved on the end of the roller support rod (111), and a spring sheath fixing sleeve (110) is installed on the outer wall of the spring sheath (103) to fasten the spring sheath (103) and the end of the roller support rod (111).

4. The belt conveyor elastic upper deviation correcting idler according to claim 3, characterized in that The tail of the spring sheath (103) is fixed to the tail of the left and right roller adjustable brackets (106) through an adjusting spring bolt (101) and an adjusting spring nut (102).

5. The elastic upper deviation adjusting idler of the belt conveyor according to claim 4, characterized in that At the top of the two side walls of the idler support frame (115), downward U-shaped grooves (1151) are provided, and both ends of the horizontal idler (113) are clamped into the U-shaped grooves (1151).

6. The elastic upper deviation adjusting idler of the belt conveyor according to claim 5, characterized in that The elastic upper deviation adjusting idler body (6) further includes a washer (3), and the washer (3) is also sleeved on the connecting shaft (116) and is located between the thrust ball bearing (2) and the main bracket (5).

7. The elastic upper deviation adjusting idler of the belt conveyor according to claim 6, characterized in that There are two tightening nuts (4).

8. An assembly method of the elastic upper belt-conveyor deviation-correcting idler according to claim 7, characterized in that, It includes the following steps: Step 1: Respectively sleeved two spring sheath fixing sleeves (110) on both ends of the idler support rod (111); Step 2: Take two left and right roller adjustable bracket sleeves (109) and two left and right roller adjustable brackets (106), sleeve one left and right roller adjustable bracket sleeve (109) on one left and right roller adjustable bracket (106), and then insert the two left and right roller adjustable brackets (106) into both ends of the idler support rod (111) respectively; Step 3: Take two spring sheaths (103), two adjusting spring top sleeves (104) and two strong springs (105), sequentially install one adjusting spring top sleeve (104) and one strong spring (105) into one spring sheath (103), and then insert the two spring sheaths (103) into both ends of the idler support rod (111) respectively, and use the spring sheath fixing sleeve (110) to thermally sleeve onto the spring sheath (103) to fix firmly; Step 4: Take two spring nuts (102) and two adjusting spring bolts (101), install one adjusting spring nut (102) on one adjusting spring bolt (101), and screw one adjusting spring bolt (101) into the end of the spring sheath (103) and tighten it; Step 5: Use the fixed left and right roller adjustable bracket bolts (107) and the fixed left and right roller adjustable bracket nuts (108) to firmly fix the fixed left and right roller adjustable bracket sleeve (109); Step 6: Weld one end of the left and right roller elastic support (114) inside the connecting sleeve I (1063), and weld the other end of the left and right roller elastic support (114) to the connecting sleeve II (1121); Step 7: Invert the assembly assembled in Step 6, and then sleeve the thrust ball bearing (2) and the washer (3) on the connecting shaft (116); Step 8: Sleeve the main bracket (5) on the connecting shaft (116), and tighten it with the tightening nut (4); Step 9: Turn over the assembly assembled in Step 8, and then place the horizontal idler (113) into the U-shaped groove (1151).

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