Eccentric counterweight type high-strength belt dynamic tension balancing device

Abstract

The utility model relates to the technical field of belts, and provides an eccentric counterweight type high-strength belt dynamic tension balancing device which comprises a rectangular plate, an adjusting rod fixedly installed at the other end of a first spiral spring, a second spiral spring fixedly installed at the other end of the first spiral spring, and a third spiral spring fixedly installed at the other end of the second spiral spring. The adjusting rod is movably embedded in the cylindrical groove; the U-shaped plate is fixedly mounted at the top of the adjusting rod, and a positioning wheel is movably embedded in the U-shaped plate; the two electric push rods are started at the same time, the two sets of positioning rods are pushed to slide in the through holes through the connecting plates, the positioning rods drive the annular plates to slide on the outer surfaces of the positioning wheels through the connecting blocks, the two annular plates move oppositely or oppositely under the action of the electric push rods, adjustment is conducted according to the size of the belt, and the belt is positioned. The belt is prevented from sliding left and right on the outer surface of the positioning wheel, friction of the belt is reduced, and the service life of the belt is prolonged.

Description

An eccentric counterweight type high-strength belt dynamic tension balancing device Technical Field

[0001] This utility model relates to the field of belt technology, and in particular to an eccentric counterweight type dynamic tension balancing device for high-strength belts. Background Technology

[0002] Belts are a type of flexible transmission element widely used in industrial machinery and daily life. They are mainly used for power transmission or material conveying between two or more shafts. Belts are prone to slippage during operation, so tension adjustment is required.

[0003] However, in the existing technology, traditional belt dynamic tension balancing devices are not convenient to adjust according to the size of the belt. When adjusting the belt tension, the belt is prone to sliding left and right, which reduces the belt balance, increases belt wear, and reduces the belt service life. Moreover, most adjusting rods have poor stability and are prone to jamming during tension adjustment, which reduces the adjustment effect of belt tension. Summary of the Invention

[0004] The purpose of this invention is to solve the problems in the existing technology where traditional belt dynamic tension balancing devices are not convenient to adjust according to the size of the belt, the belt is prone to sliding left and right when adjusting the tension, which reduces the balance of the belt, increases the wear of the belt, reduces the service life of the belt, and most of the adjusting rods have poor stability and are prone to jamming when adjusting the tension, thus reducing the adjustment effect of the belt tension.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: an eccentric counterweight type high-strength belt dynamic tension balancing device, comprising: a rectangular plate, wherein a cylindrical groove is formed at the center of the top of the rectangular plate, and a first helical spring is fixedly connected to the bottom end of the inner part of the cylindrical groove, and further comprising:

[0006] An adjusting rod is fixedly installed at the other end of the first helical spring, and the adjusting rod is movably embedded inside the cylindrical groove.

[0007] A U-shaped plate is fixedly installed on the top of the adjusting rod, and a positioning wheel is movably embedded inside the U-shaped plate;

[0008] Two annular plates are movably fitted onto the outer surface of the positioning wheel, and connecting blocks are fixedly installed on the outer surface of both annular plates, with the two connecting blocks being symmetrical to each other.

[0009] Preferably, positioning blocks are fixedly installed on the upper ends of both sides of the U-shaped plate, and through holes are opened on the outer surface of the multiple positioning blocks.

[0010] The technical effect of adopting the above-mentioned further solution is that the positioning block can improve the stability of the positioning rod.

[0011] Preferably, a positioning rod is movably embedded inside each of the multiple through holes, and one end of the positioning rod is fixedly connected to the outer surface of the connecting block.

[0012] The technical effect of adopting the above-mentioned further solution is that the positioning rod can drive the annular plate to move and adjust on the outer surface of the positioning wheel.

[0013] Preferably, the plurality of positioning rods are divided into two groups, and a connecting plate is fixedly installed on the opposite ends of the two groups of positioning rods.

[0014] The technical advantage of adopting the above-mentioned further solution is that the connecting plate facilitates the adjustment of the two sets of positioning rods.

[0015] Preferably, an L-shaped plate is fixedly installed on the opposite side of the U-shaped plate, and an electric push rod is fixedly installed on the inner surface of each of the two L-shaped plates. The output ends of the two electric push rods are connected to the connecting plate.

[0016] The technical effect of adopting the above-mentioned further solution is that the two annular plates move relative to each other or in opposite directions under the action of the electric push rod, and are adjusted according to the size of the belt to better position the belt and prevent the belt from sliding left and right on the outer surface of the positioning wheel.

[0017] Preferably, mounting blocks are fixedly installed at the center of the lower ends of both sides of the U-shaped plate, and stabilizing rods are fixedly installed at the bottom of both mounting blocks.

[0018] The technical effect of adopting the above-mentioned further solution is that the stabilizer bar can improve the stability of the adjusting bar.

[0019] Preferably, the rectangular plate has circular grooves on both sides of its top, and the two stabilizing rods are movably embedded inside the circular grooves.

[0020] The technical advantage of adopting the above-mentioned further solution is that the stabilizer bar can slide inside the circular groove.

[0021] Preferably, a second helical spring is fixedly installed at the bottom of each of the two stabilizer bars, and the other end of each of the two second helical springs is fixedly connected to the bottom of the inner side of the circular groove.

[0022] The technical effect of adopting the above-mentioned further solution is that the second helical spring can drive the stability rod to adjust according to the adjusting rod and the first helical spring.

[0023] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0024] 1. In this utility model, the belt is embedded inside the positioning wheel. When the belt is running, the positioning wheel drives the U-shaped plate and adjusting rod to adjust up and down. A first helical spring is fixedly installed at the bottom of the adjusting rod. The first helical spring provides elastic force to drive the adjusting rod to slide up and down inside the cylindrical groove, thereby maintaining the tension of the belt. Two electric push rods are opened simultaneously, pushing two sets of positioning rods to slide inside the through hole through the connecting plate. The positioning rod drives the annular plate to slide on the outer surface of the positioning wheel through the connecting block. Under the action of the electric push rods, the two annular plates move relative to each other or in opposite directions to adjust according to the size of the belt, thereby better positioning the belt, preventing the belt from sliding left and right on the outer surface of the positioning wheel, reducing belt friction, and improving the service life of the belt.

[0025] 2. In this utility model, mounting blocks are fixedly installed at the center of both sides of the lower end of the U-shaped plate, and stabilizing rods are fixedly installed at the bottom of the mounting blocks. A second helical spring is fixedly connected to the bottom of the stabilizing rod, and the second helical spring is fixedly connected inside the circular groove. The stabilizing rod is movably embedded inside the circular groove. The two stabilizing rods can improve the stability of the adjusting rod and prevent the adjusting rod from getting stuck or tilting when moving up and down, thus improving the tension balance adjustment of the belt. Attached Figure Description

[0026] Figure 1 is a schematic diagram of the structure of an eccentric counterweight type high-strength belt dynamic tension balancing device proposed in this utility model.

[0027] Figure 2 is an exploded structural diagram of an eccentric counterweight type high-strength belt dynamic tension balancing device proposed in this utility model.

[0028] Figure 3 is a cross-sectional structural schematic diagram of an eccentric counterweight type high-strength belt dynamic tension balancing device proposed in this utility model.

[0029] Figure 4 is a partial cross-sectional view of the dynamic tension balancing device for eccentric counterweight high-strength belts proposed in this utility model.

[0030] Legend:

[0031] 1. Rectangular plate; 101. Adjusting rod; 102. Stabilizing rod; 103. Mounting block; 104. U-shaped plate; 105. Positioning wheel; 106. L-shaped plate; 107. Electric push rod; 108. Connecting plate; 109. Positioning block; 110. Connecting block; 111. Annular plate; 112. Positioning rod; 113. Cylindrical groove; 114. Circular slide; 115. First helical spring; 116. Second helical spring; 117. Through hole. Detailed Implementation

[0032] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0033] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0034] Example 1, as shown in Figures 1-4, provides an eccentric counterweight type high-strength belt dynamic tension balancing device, comprising: a rectangular plate 1, with a cylindrical groove 113 at the top center of the rectangular plate 1, and a first helical spring 115 fixedly connected to the bottom end of the cylindrical groove 113; an adjusting rod 101, fixedly installed at the other end of the first helical spring 115, the adjusting rod 101 being movably embedded inside the cylindrical groove 113; a U-shaped plate 104, fixedly installed on the top of the adjusting rod 101, with a positioning wheel 105 movably embedded inside the U-shaped plate 104; and two annular plates 111, both movably sleeved on the outer surface of the positioning wheel 105, the outer surfaces of the two annular plates 111 being fixed. Connecting blocks 110 are installed, with two connecting blocks 110 symmetrically facing each other; positioning blocks 109 are fixedly installed on the upper ends of both sides of the U-shaped plate 104, and through holes 117 are opened on the outer surfaces of the multiple positioning blocks 109; positioning rods 112 are movably embedded in the multiple through holes 117, and one end of the positioning rod 112 is fixedly connected to the outer surface of the connecting block 110; the multiple positioning rods 112 are evenly divided into two groups, and connecting plates 108 are fixedly installed on the opposite ends of the two groups of positioning rods 112; L-shaped plates 106 are fixedly installed on the opposite sides of the U-shaped plate 104, and electric push rods 107 are fixedly installed on the inner surfaces of the two L-shaped plates 106, and the output ends of the two electric push rods 107 are connected to the connecting plates 108.

[0035] In this embodiment, the belt is embedded inside the positioning wheel 105. When the belt is running, the positioning wheel 105 drives the U-shaped plate 104 and the adjusting rod 101 to adjust up and down. A first helical spring 115 is fixedly installed at the bottom of the adjusting rod 101. The first helical spring 115 provides elastic force to drive the adjusting rod 101 to slide up and down inside the cylindrical groove 113, thereby maintaining the tension of the belt. Two electric push rods 107 are activated simultaneously, pushing two sets of positioning rods 112 to slide inside the through hole 117 through the connecting plate 108. The positioning rods 112 drive the annular plate 111 to slide on the outer surface of the positioning wheel 105 through the connecting block 110. Under the action of the electric push rods 107, the two annular plates 111 move relative to each other or in opposite directions to adjust according to the size of the belt, better positioning the belt, preventing the belt from sliding left and right on the outer surface of the positioning wheel 105, reducing belt friction, and improving the service life of the belt. The two electric push rods 107 are the same in model, power, etc., so they can be started synchronously.

[0036] Example 2, as shown in Figures 1-4, mounting blocks 103 are fixedly installed at the center of the lower ends of both sides of the U-shaped plate 104, and stabilizing rods 102 are fixedly installed at the bottom of both mounting blocks 103; circular grooves 114 are opened on both sides of the top of the rectangular plate 1, and the two stabilizing rods 102 are movably embedded in the inside of the circular grooves 114; second helical springs 116 are fixedly installed at the bottom of the two stabilizing rods 102, and the other ends of the two second helical springs 116 are fixedly connected to the bottom of the inside of the circular grooves 114.

[0037] In this embodiment, mounting blocks 103 are fixedly installed at the center of both sides of the lower end of the U-shaped plate 104. A stabilizing rod 102 is fixedly installed at the bottom of the mounting block 103. A second helical spring 116 is fixedly connected to the bottom of the stabilizing rod 102. The second helical spring 116 is fixedly connected inside the circular groove 114. The stabilizing rod 102 is movably embedded inside the circular groove 114. The two stabilizing rods 102 can improve the stability of the adjusting rod 101 and prevent the adjusting rod 101 from jamming or tilting when it moves up and down, thus improving the tension balance adjustment of the belt.

[0038] Working principle: In use, the belt is embedded inside the positioning wheel 105. When the belt runs, the positioning wheel 105 drives the U-shaped plate 104 and the adjusting rod 101 to adjust up and down. A first helical spring 115 is fixedly installed at the bottom of the adjusting rod 101. The first helical spring 115 provides elastic force to drive the adjusting rod 101 to slide up and down inside the cylindrical groove 113, thereby maintaining the tension of the belt. Two electric push rods 107 are activated simultaneously, pushing two sets of positioning rods 112 to slide inside the through hole 117 through the connecting plate 108. The positioning rods 112 drive the annular plate 111 to slide on the outer surface of the positioning wheel 105 through the connecting block 110. Under the action of the electric push rods 107, the two annular plates 111 move relative to each other or in opposite directions to adjust according to the size of the belt, thus better adjusting the belt tension. The belt is positioned to prevent it from sliding left and right on the outer surface of the positioning wheel 105, reducing belt friction and improving belt life. The two electric push rods 107 are identical in model and power, so they can be started synchronously. Mounting blocks 103 are fixedly installed at the center of both sides of the lower end of the U-shaped plate 104. A stabilizing rod 102 is fixedly installed at the bottom of the mounting block 103. A second helical spring 116 is fixedly connected to the bottom of the stabilizing rod 102. The second helical spring 116 is fixedly connected inside the circular groove 114. The stabilizing rod 102 is movably embedded inside the circular groove 114. The two stabilizing rods 102 can improve the stability of the adjusting rod 101 and prevent the adjusting rod 101 from jamming or tilting when moving up and down, thus improving the tension balance adjustment of the belt.

[0039] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. An eccentric counterweight type high-strength belt dynamic tension balancing device, comprising: A rectangular plate (1) has a cylindrical groove (113) at the center of its top, and a first helical spring (115) is fixedly connected to the bottom of the cylindrical groove (113). The rectangular plate (1) is characterized by further comprising: an adjusting rod (101) fixedly installed at the other end of the first helical spring (115), the adjusting rod (101) being movably embedded in the cylindrical groove (113); a U-shaped plate (104) fixedly installed on the top of the adjusting rod (101), the U-shaped plate (104) being movably embedded in the interior of a positioning wheel (105); and two annular plates (111), both movably sleeved on the outer surface of the positioning wheel (105), and connecting blocks (110) fixedly installed on the outer surfaces of the two annular plates (111), the two connecting blocks (110) being symmetrical.

2. The eccentric counterweight type high-strength belt dynamic tension balancing device according to claim 1, characterized in that: Positioning blocks (109) are fixedly installed on the upper ends of both sides of the U-shaped plate (104), and through holes (117) are opened on the outer surface of the multiple positioning blocks (109).

3. The eccentric counterweight type high-strength belt dynamic tension balancing device according to claim 2, characterized in that: Positioning rods (112) are movably embedded inside the multiple through holes (117), and one end of the positioning rods (112) is fixedly connected to the outer surface of the connecting block (110).

4. The eccentric counterweight type high-strength belt dynamic tension balancing device according to claim 3, characterized in that: The multiple positioning rods (112) are divided into two groups, and the opposite ends of the two groups of positioning rods (112) are fixedly installed with connecting plates (108).

5. The eccentric counterweight type high-strength belt dynamic tension balancing device according to claim 1, characterized in that: L-shaped plates (106) are fixedly installed on the opposite sides of the U-shaped plate (104), and electric push rods (107) are fixedly installed on the inner surfaces of the two L-shaped plates (106). The output ends of the two electric push rods (107) are connected to the connecting plate (108).

6. The eccentric counterweight type high-strength belt dynamic tension balancing device according to claim 1, characterized in that: Mounting blocks (103) are fixedly installed at the center of the lower ends of both sides of the U-shaped plate (104), and stabilizing rods (102) are fixedly installed at the bottom of both mounting blocks (103).

7. The eccentric counterweight type high-strength belt dynamic tension balancing device according to claim 6, characterized in that: The rectangular plate (1) has circular grooves (114) on both sides of its top, and the two stabilizing rods (102) are movably embedded inside the circular grooves (114).

8. The eccentric counterweight type high-strength belt dynamic tension balancing device according to claim 6, characterized in that: The bottom of each of the two stabilizer bars (102) is fixedly installed with a second helical spring (116), and the other end of each of the two second helical springs (116) is fixedly connected to the bottom of the inner side of the circular groove (114).

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