Belt pulley tensioning device of crusher

Abstract

The utility model provides a crusher belt pulley tensioning device which is characterized in that a tensioning pin is clamped at the bottom of a driving belt pulley mounting frame, a positioning push groove is formed in the center of one side, far away from the driving belt pulley mounting frame, of the tensioning pin, and a positioning through hole is formed in one side of a tension arm pivot; the outer side of the top of the adjusting screw rod is sleeved with a locking nut, and the bottom of the adjusting screw rod is clamped in the positioning push groove; one side of the tension stabilizing module is connected with the tension arm pivot, the other side of the tension stabilizing module is arranged between the tension pin and the tension arm pivot, the visual tension adjusting module is arranged between the tension stabilizing module and the tension arm pivot, a spring in the tension stabilizing module enables tension to be evenly stressed, an adjusting screw rod is rotated through a locking nut, and the tension stabilizing module and the visual tension adjusting module are connected. The tension adjusting effect is achieved by adjusting the spacing distance between the tension plate and the tension arm pivot, the tension can be adjusted more visually by observing the scale marks in the visual tension adjusting module, the belt breakage and slipping risks are reduced, and the service life of the belt is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of crusher transmission, in particular to the technical field of a tensioning device in a crusher transmission module, and specifically to a crusher pulley tensioning device. Background Art

[0002] The crusher pulley tensioning device currently widely adopts the method of passing the adjusting screw through the convex blocks at both ends to support the tensioning pin and use the locking nut to achieve the adjustment effect, so that the pulley can achieve the tensioning effect. In actual use, the current adjustment method can only be visually inspected, and the tension cannot be fine-tuned. The tension is uneven, which leads to the risk of belt breakage due to excessive tension and the risk of belt slippage due to insufficient tension, resulting in a reduced pulley service life. Summary of the Invention

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a crusher pulley tensioning device to solve the difficulties of the prior art.

[0004] To achieve the above-mentioned and other related purposes, the present invention provides a crusher pulley tensioning device, comprising:

[0005] A tensioning pin 1 is clamped at the bottom of the driving pulley mounting frame 6, and a positioning push groove 11 is opened in the middle of the tensioning pin 1 away from the driving pulley mounting frame 6;

[0006] The tension arm pivot 2 is arranged on the side of the tension pin 1 away from the driving pulley mounting frame 6. A positioning through hole 21 is opened on one side of the tension arm pivot 2. The other side of the tension arm pivot 2 is installed on the rotor inside the crusher frame. The other side of the tension arm pivot 2 is limited by the crusher frame.

[0007] The adjusting screw 3 is clamped in the center of the positioning through hole 21, a locking nut 31 is sleeved on the outer side of the top of the adjusting screw 3, and the bottom of the adjusting screw 3 is clamped in the positioning push groove 11;

[0008] A tension stabilizing module 4, one side of which is connected to the tension arm pivot 2, and the other side of which is arranged between the tensioning pin 1 and the tension arm pivot 2;

[0009] The visual tension adjustment module 5 is arranged between the tension stabilization module 4 and the tension arm pivot 2 .

[0010] According to the preferred embodiment, the tension stabilizing module 4 includes:

[0011] The balanced connection light hole 41 is symmetrically opened on the tension arm pivot 2 and is located on the left and right sides of the positioning through hole 21;

[0012] A tension plate 42 is sleeved on the adjusting screw 3 through threaded engagement, and the tension plate 42 is located between the tensioning pin 1 and the tension arm pivot 2;

[0013] A balancing positioning rod 43 , one side of which is threadedly threaded through the left and right sides of the tension plate 42 , and the other side of which is clamped in the balancing connection light hole 41 ;

[0014] The spring 44 is sleeved in the middle of the balance positioning rod 43 , and the front and rear sides of the spring 44 respectively press against the tension plate 42 and the tension arm pivot 2 .

[0015] According to the preferred embodiment, the visual tension adjustment module 5 includes:

[0016] An L-shaped mounting plate 51, one side of which is sleeved on the tension plate 42 by means of bolts, and the other side of which contacts the top of the tension arm pivot 2;

[0017] The scale 52 is glued to the side of the L-shaped mounting plate 51 away from the adjusting screw 3.

[0018] The utility model comprises a tensioning pin, a tension arm pivot, an adjustment screw, a tension stabilizing module and a visual tension adjustment module. The spring in the tension stabilizing module makes the tension uniform. The adjustment screw is rotated by the locking nut to adjust the distance between the tension plate and the tension arm pivot to achieve the effect of adjusting the tension. The tension can be adjusted more intuitively by observing the scale in the visual tension adjustment module, thereby reducing the risk of belt breakage and slippage and improving the service life of the belt.

[0019] The following will describe in more detail the best embodiments of the present invention in conjunction with the accompanying drawings so that the features and advantages of the present invention can be easily understood. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Shown is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 Shown is a schematic diagram of the present invention mounted on a driving pulley mounting frame;

[0022] Figure 3 Shown is an enlarged schematic diagram of the three-dimensional structure of the tension pin, tension plate and tension arm pivot in the present invention;

[0023] Label Description

[0024] 1. Tension pin; 11. Positioning push groove;

[0025] 2. Tension arm pivot; 21. Positioning through hole;

[0026] 3. Adjust the screw; 31. Lock the nut;

[0027] 4. Tension stabilization module; 41. Balance connection light hole; 42. Tension plate; 43. Balance positioning rod; 44. Spring;

[0028] 5. Visual tension adjustment module; 51. L-shaped mounting plate; 52. Ruler;

[0029] 6. Driving pulley mounting bracket; DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of the specific embodiments of the present invention. The same figure marks in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Compared to the embodiments shown in the drawings, feasible embodiments within the scope of protection of the present invention may have fewer components, other components not shown in the drawings, different components, differently arranged components, or differently connected components, etc. In addition, two or more components in the drawings may be implemented in a single component, or a single component shown in the drawings may be implemented as multiple separate components.

[0032] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by persons of ordinary skill in the field to which the present invention belongs. The words "first", "second" and similar terms used in the specification and claims of the present utility model patent application do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "a" or "an" do not necessarily indicate a quantity limitation. Words such as "include" or "comprising" mean that the elements or objects preceding the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0033] The present invention proposes a crusher pulley tensioning device, which is used in the installation process of the crusher motor. The present invention does not limit the transmission device in the crusher, but the tensioning pin 1, tension arm pivot 2, adjustment screw 3, tension stabilization module 4 and visual tension adjustment module 5 are particularly suitable for reducing the risk of belt breakage and slipping, and improving the service life of the belt.

[0034] In general, the crusher pulley tensioning device proposed by the present invention mainly includes: a tensioning pin 1, a tension arm pivot 2, an adjustment screw 3, a tension stabilizing module 4 and a visual tension adjustment module 5, among which, you can refer to Figure 1 , which shows the arrangement relationship of the tensioning pin 1, the tension arm pivot 2, the adjustment screw 3, the tension stabilizing module 4 and the visual tension adjusting module 5.

[0035] The crusher pulley tensioning device proposed by the present invention is equipped with a tension stabilizing module 4. The spring 44 in the tension stabilizing module 4 makes the tension uniform. The adjusting screw 3 is rotated by the locking nut 31 to make the tension plate 42 move along the adjusting screw 3 toward the tension arm pivot 2. The spacing distance between the tension arm pivot 2 and the tension plate 42 is adjusted to achieve the effect of adjusting the tension. The tension can be adjusted more intuitively by observing the scale in the visual tension adjustment module 5, thereby reducing the risk of belt breakage and slippage and improving the service life of the belt.

[0036] In actual use, Figure 2 The tensioning pin 1 shown is clamped at the bottom of the driving pulley mounting frame 6, and a positioning push groove 11 is opened in the center of the side of the tensioning pin 1 away from the driving pulley mounting frame 6. The tension arm pivot 2 is set on the side of the tensioning pin 1 away from the driving pulley mounting frame 6, and a positioning through hole 21 is opened on one side of the tension arm pivot 2.

[0037] One side of the above-mentioned tension stabilizing module 4 is connected to the tension arm pivot 2, and the other side of the tension stabilizing module 4 is arranged between the tensioning pin 1 and the tension arm pivot 2. The tension stabilizing module 4 includes: a balancing connection light hole 41, a tension plate 42, a balancing positioning rod 43 and a spring 44, wherein the balancing connection light hole 41 is symmetrically opened on the tension arm pivot 2, and the balancing connection light hole 41 is located on the left and right sides of the positioning through hole 21. The tension plate 42 is sleeved on the adjusting screw 3 through threaded fitting, and the tension plate 42 is located between the tensioning pin 1 and the tension arm pivot 2. One side of the balancing positioning rod 43 is threadedly inserted into the left and right sides of the tension plate 42, and the other side of the balancing positioning rod 43 is clamped in the balancing connection light hole 41. A spring 44 is sleeved in the middle of the balancing positioning rod 43, and the front and rear sides of the spring 44 respectively press against the tension plate 42 and the tension arm pivot 2, so that the tension of the tensioning device is evenly stressed.

[0038] The above-mentioned visual tension adjustment module 5 is arranged between the tension stabilization module 4 and the tension arm pivot 2. The visual tension adjustment module 5 includes: an L-shaped mounting plate 51 and a ruler 52, wherein one side of the L-shaped mounting plate 51 is sleeved on the tension plate 42 through a bolt connection, and the other side of the L-shaped mounting plate 51 is in contact with the top of the tension arm pivot 2, and the ruler 52 is glued to the side of the L-shaped mounting plate 51 away from the adjustment screw 3 by glue.

[0039] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed in the present invention are intended to be covered by the claims of the present invention.

Claims

1. A crusher pulley tensioning device, characterized in that: include: A tensioning pin (1), wherein the tensioning pin (1) is clamped at the bottom of the driving pulley mounting frame (6), and a positioning push groove (11) is provided in the center of the tensioning pin (1) away from the driving pulley mounting frame (6); A tension arm pivot (2), the tension arm pivot (2) is arranged on a side of the tension pin (1) away from the driving pulley mounting frame (6), a positioning through hole (21) is opened on one side of the tension arm pivot (2), the other side of the tension arm pivot (2) is mounted on the rotor inside the crusher frame, and the other side of the tension arm pivot (2) is limited by the crusher frame; An adjusting screw (3), wherein the center of the adjusting screw (3) is clamped in the positioning through hole (21), a locking nut (31) is sleeved on the outer side of the top of the adjusting screw (3), and the bottom of the adjusting screw (3) is clamped in the positioning push groove (11); A tension stabilizing module (4), one side of the tension stabilizing module (4) is connected to the tension arm pivot (2), and the other side of the tension stabilizing module (4) is arranged between the tensioning pin (1) and the tension arm pivot (2); A visual tension adjustment module (5) is provided between the tension stabilization module (4) and the tension arm pivot (2).

2. The crusher pulley tensioning device according to claim 1, characterized in that: The tension stabilizing module (4) comprises: A balanced connection light hole (41), wherein the balanced connection light hole (41) is symmetrically opened on the tension arm pivot (2), and the balanced connection light hole (41) is located on the left and right sides of the positioning through hole (21); A tension plate (42), wherein the tension plate (42) is sleeved on the adjustment screw (3) through threaded engagement, and the tension plate (42) is located between the tension pin (1) and the tension arm pivot (2); A balancing positioning rod (43), one side of which is threadedly fitted on the left and right sides of the tension plate (42), and the other side of which is clamped in the balancing connection light hole (41); A spring (44) is sleeved in the middle of the balance positioning rod (43), and the front and rear sides of the spring (44) respectively press against the tension plate (42) and the tension arm pivot (2).

3. The crusher pulley tensioning device according to claim 2, characterized in that: The visual tension adjustment module (5) comprises: An L-shaped mounting plate (51), one side of the L-shaped mounting plate (51) is sleeved on the tension plate (42) through a bolt connection, and the other side of the L-shaped mounting plate (51) is in contact with the top of the tension arm pivot (2); A ruler (52) is attached to a side of the L-shaped mounting plate (51) away from the adjusting screw (3) by glue.

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