Automatic belt adjusting device of spandex spinning fan for producing high-resilience polyurethane

Abstract

The utility model provides an automatic belt adjusting device of a spandex spinning fan for producing high-resilience polyurethane, a driving wheel, a belt and a driven wheel are arranged on the fan, the driving wheel is connected to the driven wheel through the belt, and the automatic belt adjusting device further comprises a fixed base, a movable support, a synchronous belt wheel and an elastic piece. The movable support comprises a movable rod and a supporting rod, one end of the supporting rod is fixed to the fixed base and perpendicularly connected with the fixed base, and one end of the movable rod is hinged to the other end of the supporting rod. The synchronous pulley is rotationally connected to the other end part of the movable rod; one end of the elastic piece is connected with the supporting rod, and the other end of the elastic piece is connected to the movable rod and close to the synchronous belt wheel. The synchronous belt wheel clings to the surface of the belt through the tension of the elastic piece; the problem that the belt jumps out of the belt pulley to cause the parking phenomenon is solved, and equipment loss, potential safety hazards and economic loss caused by the fact that the belt jumps out of the belt pulley after parking adjustment are effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of chemical equipment relates to a kind of automatic adjusting belt device for the spandex spinning fan of high resilience polyurethane production. BACKGROUND

[0002] The belt of fan often appears that the belt jumps out of pulley, appears parking jump stop, causes non-planned parking stop production, brings great influence to production. When the belt of fan jumps out of pulley, if it cannot be found and handled in time, the consequence is extremely serious. First, equipment operation will be hindered, belt is important component of power transmission, once jumps out of pulley, equipment will lose power source, leads to immediate stop working;Second, it can cause equipment wear, after belt jumps out of pulley, due to the abnormal friction between pulley, it can accelerate the wear of belt, shorten its service life, belt jump also possibly causes the chain reaction of other components in equipment, such as bearing damage, gear wear etc., further intensifies equipment failure;Third, there is certain security risk, if belt jumps out of pulley when high-speed running, possibly produces splashing fragment or loose component, constitutes threat to nearby operator, more serious, possibly explosion occurs, because in the process of fan operation, suddenly stops, and three floor metering pump still continues to spin, DMAC in silk is evaporated in flue, also cannot be recycled and handled in time by fan, when the content of DMAC reaches certain value, just appears flash explosion, causes great harm to equipment and personnel, in some cases, if belt contacts and rubs heat with heat source (such as motor) in equipment, also possibly causes fire and other serious consequences;Finally, it can also cause unnecessary economic loss, every time that the belt of fan jumps out of pulley, parking jump stop, the economic loss of before and after can reach 100,000 yuan or more;If flash explosion occurs, the economic loss is more serious. SUMMARY

[0003] The utility model provides a kind of automatic adjusting belt device for the spandex spinning fan of high resilience polyurethane production, install the pulley device with elastic member above pulley, make belt keep not jump out of pulley, avoid parking phenomenon due to belt jump out of pulley, solve the problem that original fan often appears belt jump out of pulley and lead to non-planned parking stop production.

[0004] The utility model is realized as follows:

[0005] The utility model provides a kind of automatic adjusting belt device for the spandex spinning fan of high resilience polyurethane production, be equipped with driving pulley, belt and driven pulley on the fan, the driving pulley is connected to the driven pulley by the belt, still include: fixed base, movable support, synchronous pulley, elastic member;

[0006] The movable support comprises a movable rod and a supporting rod, one end of the supporting rod is fixed on the fixed base and is connected perpendicularly with the fixed base, one end of the movable rod is hingedly connected to the other end of the supporting rod, and the synchronous pulley is rotatably connected to the other end of the movable rod;

[0007] One end of the elastic member is connected with the supporting rod, and the other end of the elastic member is connected to the movable rod and close to the synchronous pulley.

[0008] The synchronous pulley is tightly attached to the surface of the belt through the pulling force of the elastic member.

[0009] Further, the fixed base comprises four bolts, the four bolts are arranged at four corners of the fixed base, and the fixed base is fixed through the four bolts.

[0010] Further, the included angle formed by the supporting rod and the movable rod is less than 90 degrees.

[0011] Further, the elastic member is a tension spring.

[0012] Further, the synchronous pulley is located close to the driving pulley.

[0013] The advantages of the utility model lie in:

[0014] The utility model adds the pulley device with tension spring above the pulley, the force of the elastic member is designed within a certain range, the belt can be kept from jumping out of the pulley, the parking phenomenon caused by the belt jumping out of the pulley is avoided, the parking stop caused by the belt jumping out of the pulley is effectively avoided, and the equipment loss, safety hazard and economic loss caused by this are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the embodiments with reference to the drawings.

[0016] Figure 1 It is the structural schematic diagram of the utility model device. DETAILED DESCRIPTION

[0017] The utility model wants to solve the technical problem in providing a kind of automatic adjusting belt device of spandex spinning fan for producing high resilience polyurethane, solves the problem that original fan often appears belt jumps out of pulley and leads to unplanned parking downtime.

[0018] Embodiment one

[0019] The embodiment provides a kind of automatic adjusting belt device of spandex spinning fan for producing high resilience polyurethane, as Figure 1As shown, the fan (not shown in the figure) is provided with a driving wheel 1, a belt 3 and a driven wheel 2, the driving wheel 1 is connected to the driven wheel 2 through the belt 3, and further comprises a fixed base 4, a movable support 5, a synchronous pulley 6 and an elastic member 7;

[0020] The movable support 5 comprises a movable rod 501 and a supporting rod 502, one end of the supporting rod 502 is fixed on the fixed base 4 and is connected perpendicularly to the fixed base 4, and one end of the movable rod 501 is hingedly connected to the other end of the supporting rod 502;

[0021] The synchronous pulley 6 is rotationally connected to the other end of the movable rod 501;

[0022] The fixed base 4 comprises four bolts, which are arranged at four corners of the fixed base 4, and the fixed base 4 is fixed to one side of the fan through the four bolts;

[0023] The included angle formed by the supporting rod 502 and the movable rod 501 is less than 90 degrees;

[0024] One end of the elastic member 7 is connected to the supporting rod 502, and the other end of the elastic member 7 is connected to the movable rod 501 and is close to the synchronous pulley 6;

[0025] The synchronous pulley 6 is tightly attached to the surface of the belt 3 through the tension of the elastic member 7;

[0026] The synchronous pulley 6 is located close to the driving wheel 1;

[0027] The tension of the synchronous pulley 6 acts on the belt 3 through the tension of the elastic member 7, and the force of the elastic member 7 is designed within a certain range, so that the belt 3 can be kept from jumping out of the driving wheel 1 and the driven wheel 2;

[0028] The elastic member 7 is a tension spring.

[0029] The movement direction of the belt is shown by arrows in the figure;

[0030] In the prior art, when the motor is accelerated, the A and B ends of the belt 3 will be elongated and will appear to drop, and when the drop reaches a certain degree, the belt 3 will be off;

[0031] In the utility model, when the belt 3 at the A and B ends drops, the synchronous pulley 6 on the belt 3 sinks along with the belt 3 through the tension of the elastic member 7, so that the belt 3 is always kept in a tension state and will not jump out of the driving wheel 1 and the driven wheel 2;

[0032] The movable support 5 automatically rises and falls with the tension of the belt 3.

[0033] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore can not be understood as limiting the utility model. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two.

[0034] The above embodiment and drawing are not limited to the product shape and style of the utility model, and any appropriate change or modification made by the ordinary skilled in the art should be regarded as not departing from the patent category of the utility model.

Claims

1. An automatic belt adjustment device for a spandex spinning blower for producing high-resilience polyurethane, wherein the blower is provided with a driving wheel, a belt, and a driven wheel, wherein the driving wheel is connected to the driven wheel via the belt, and wherein: It also includes: a fixed base, a movable bracket, a synchronous pulley, and an elastic member; The movable bracket includes a movable rod and a support rod, one end of the support rod is fixed to the fixed base and vertically connected to the fixed base, one end of the movable rod is hinged to the other end of the support rod, and the synchronous pulley is rotatably connected to the other end of the movable rod; One end of the elastic member is connected to the support rod, and the other end of the elastic member is connected to the movable rod and is close to the synchronous pulley; The synchronous pulley is tightly attached to the belt surface by the tension of an elastic member.

2. The automatic belt adjustment device of a spandex spinning blower for producing high-resilience polyurethane according to claim 1, characterized in that: The fixed base includes four bolts, which are arranged at the four corners of the fixed base, and the fixed base is fixed by the four bolts.

3. The automatic belt adjustment device for a spandex spinning blower for producing high-resilience polyurethane according to claim 1, characterized in that: The included angle formed by the support rod and the movable rod is less than 90 degrees.

4. The automatic belt adjustment device for a spandex spinning blower for producing high-resilience polyurethane according to claim 1, characterized in that: The elastic member is a tension spring.

5. The automatic belt adjustment device for a spandex spinning blower for producing high-resilience polyurethane according to claim 1, characterized in that: The synchronous pulley is located on a side close to the driving pulley.

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