CN220232955U - Pulley type limit switch - Google Patents

Abstract

The utility model discloses a pulley type limit switch which comprises a main body, wherein four fixing screws are arranged on the main body, a supporting rod is arranged on the main body, a rubber roller is arranged on the supporting rod, a connecting column is arranged on the supporting rod, an upper patch is arranged on the connecting column and is fixed through nuts, the upper patch and a lower patch are fixedly connected through the screws, and a pulley is arranged on the lower patch. According to the utility model, the pulley is arranged, so that the friction coefficient is effectively reduced, the sliding is easier, and the working efficiency is improved; the pulley is made of high-carbon steel, so that abrasion and corrosion are effectively resisted, the pulley has longer service life, higher strength and toughness and can bear larger load; the movable limit switch is used, so that the flexibility, the precision and the stability of the equipment can be improved, and the installation and maintenance cost is reduced.

Description

Pulley type limit switch

Technical Field

The utility model relates to the field of yaw angle control of wind generating sets, in particular to a pulley type limit switch.

Background

The pulley type limit switch has the advantages of simple structure, convenient installation, higher precision, strong anti-interference performance and the like, and is widely applied to various industrial equipment and mechanical equipment. The existing limit switch (publication number: CN 209822506U) has at least the following disadvantages:

1. the existing limit stopper switch can generate hard friction with a pull wire, so that the service time limit of the switch is reduced, and because the friction coefficient is large, more energy is required to be consumed to realize the rotation or sliding of the switch, so that the cost of energy consumption is increased, the service life of the switch can be reduced in the long-term use process, the reliability of equipment is affected, and therefore, a pulley type limit stopper with low friction coefficient is urgently needed;

2. the existing limit switch is worn out to wear out gaps to cause the pull wire to be clamped with the pull ring, the limit switch is activated when the pulley is not in place, when the pulley is loose, the position of the limit switch is unstable, the switch is easily activated by mistake when the pulley is not in place, the elasticity and resilience force of the switch are affected by ageing of a spring in the switch, so that the switch is possibly activated by mistake when the pulley is not in place, vibration can occur in the running process of mechanical equipment, and if the limit switch is affected by vibration, the switch is possibly activated by mistake when the pulley is not in place, so that the limit switch for manufacturing the pulley by using high-carbon steel is needed urgently;

3. the existing limit switch is fixed, so that the change is difficult to adapt to, and when the parameters of equipment change, the limit switch may lose function, so that the equipment is unstable in operation or is out of control, the safety and the reliability of the equipment are affected, and therefore, a movable limit switch is urgently needed.

Disclosure of Invention

The utility model mainly aims to provide a pulley type limit switch which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a pulley type limit switch, includes the main part, install four set screws in the main part and be used for fixed main part structure, install the bracing piece in the main part, install the rubber roller area on the bracing piece, install the spliced pole on the bracing piece, install the paster on the spliced pole, it is fixed that the paster passes through the nut to go up, go up paster and lower paster pass through screw fixed connection, install the pulley down on the paster.

Preferably, four fixing screws are mounted on the main body to fix the main body structure.

Preferably, the support rod is provided with a connecting column and a nut for fixing the upper patch.

Preferably, the upper patch and the lower patch are connected by screws.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the pulley is arranged, so that the friction coefficient is effectively reduced, the sliding is easier, and the working efficiency is improved;

2. the pulley is made of high-carbon steel, so that abrasion and corrosion are effectively resisted, the pulley has longer service life, higher strength and toughness and can bear larger load;

3. the movable limit switch is used, so that the flexibility, the precision and the stability of the equipment can be improved, and the installation and maintenance cost is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

FIG. 3 is a schematic view of the structure of the present utility model at A;

in the figure: 1. a main body; 2. a support rod; 3. a connecting column; 4. a nut; 5. mounting a patch; 6. a lower patch; 7. a screw; 8. a rubber roller belt; 101. a fixing screw; 601. and (3) a pulley.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

Referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides a pulley type limit switch, includes main part 1, install four set screws 101 on the main part 1 and be used for fixed main part 1 structure, install bracing piece 2 on the main part 1, install rubber roller area 8 on the bracing piece 2, install spliced pole 3 on the bracing piece 2, install patch 5 on the spliced pole 3, it is fixed through nut 4 to go up patch 5, go up patch 5 and lower patch 6 and pass through screw 7 fixed connection, install pulley 601 on the lower patch 6.

In this embodiment, four fixing screws 101 are installed on the main body 1 to fix the main body 1, a supporting rod 2 is installed on the main body 1, and a rubber roller belt 8 is installed on the supporting rod 2. The safety and stability of the equipment can be improved by installing the fixing screw on the pulley type limiter main body, and the replacement and maintenance are convenient; the rubber roller belt has better wear resistance and corrosion resistance, and can reduce the influence degree of long-term use and environmental oxidation on the support rod, thereby prolonging the service life of the support rod.

In this embodiment, the support rod 2 is provided with a connecting post 3 and a nut 4 to fix the upper patch 5, and the upper patch 5 and the lower patch 6 are connected by a screw 7. The nut on the supporting rod can fasten the upper patch and is firmly connected with the supporting rod, so that the stability of the upper patch is improved, and the upper patch is prevented from sliding or falling off due to external factors such as stress, vibration and the like, so that the normal operation and the use effect of the equipment are affected; the upper patch is fixed by installing the nut on the supporting rod, so that the problems of failure, accidental injury and the like of the upper patch in transportation or use can be avoided. Meanwhile, if larger vibration or impact force exists when the equipment works, the fastening of the nut can prevent the upper patch from loosening or falling off, so that the personal safety of operators is ensured; if the patch is required to be replaced or maintained, the patch can be completed only by detaching the nut, and the patch is simple and convenient. This also makes the equipment easier to maintain and manage; the nuts are arranged on the support rods, so that the positions of the upper patches can be adjusted according to the needs, a user can conveniently change the use mode or configuration of the equipment according to specific needs, and the flexibility and adaptability of the equipment are improved; the stability and the safety of the equipment can be improved by connecting the upper patch and the lower patch through the screws, the maintainability is increased, and the precision and the consistency are improved.

In this embodiment, the lower patch 6 is provided with a pulley 601, and the pulley 601 is made of high carbon steel. Wherein the pulley manufacturer is adelong (IDEC) and the model is RY2S-UL AC24V, and the pulley can reduce friction when the object slides, thereby reducing abrasion between the lower patch and the moving part; the roller can improve the working accuracy of the equipment, is more stable and stable than direct sliding, can avoid misoperation and misjudgment caused by factors such as vibration and the like, and improves the working accuracy and stability of the equipment; the roller material is high carbon steel, and has the advantages of high wear resistance, high strength, excellent toughness, easy processing and the like.

The utility model has the advantages that the friction coefficient is effectively reduced by installing the pulleys, so that the sliding is easier, and the working efficiency is improved; the pulley is made of high-carbon steel, so that abrasion and corrosion are effectively resisted, the pulley has longer service life, higher strength and toughness and can bear larger load; the movable limit switch is used, so that the flexibility, the precision and the stability of the equipment can be improved, and the installation and maintenance cost is reduced.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (4)

1. Pulley limit switch, including main part (1), its characterized in that: install four set screws (101) on main part (1) and be used for fixed main part (1) structure, install bracing piece (2) on main part (1), install rubber roller area (8) on bracing piece (2), install spliced pole (3) on bracing piece (2), install paster (5) on spliced pole (3), it is fixed through nut (4) to go up paster (5), go up paster (5) and lower paster (6) through screw (7) fixed connection, install pulley (601) on lower paster (6).

2. The pulley-type limit switch of claim 1, wherein: four fixing screws (101) are arranged on the main body (1) to fix the structure of the main body (1).

3. The pulley-type limit switch of claim 1, wherein: the support rod (2) is provided with a connecting column (3) and a nut (4) for fixing the upper patch (5).

4. The pulley-type limit switch of claim 1, wherein: the upper patch (5) and the lower patch (6) are connected through screws (7).