CN209497366U

CN209497366U - A kind of linear motor operational safety protective device

Info

Publication number: CN209497366U
Application number: CN201920515973.7U
Authority: CN
Inventors: 姚德智
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2019-10-15
Anticipated expiration: 2029-04-17

Abstract

The utility model belongs to technical field of motors, relate in particular to a kind of linear motor operational safety protective device, including mechanical protection and electic protection, the mechanical protection includes bracket, touch block, reduction torsion spring, elastic jacking block, limit switch, the electic protection includes the electric switch connecting with limit switch, the braking steel ring of linear motor power output shaft periphery is connect and be arranged in electric switch and is wound in the loop group on braking steel ring surface, the utility model has the beneficial effects that: one-piece parts negligible amounts, safeguard protection performance is reliable, the effect of braking can be played in time when trolley stall is larger, and operator is prompted to exclude dependent failure as early as possible.

Description

A kind of linear motor operational safety protective device

Technical field

The utility model belongs to technical field of motors, relates in particular to a kind of linear motor operational safety protective device.

Background technique

When the directive wheel of linear motor driving trolley is worn, secondary plate can deviate from the center line of two coils, If dealt with not in time at this time, it may occur that the accident of collision, and current protective device mainly passes through mechanical touching Transmitting apparatus drives limit switch to be alarmed or braked, when driving small vehicle speed excessive, it is clear that above protection dress More structurally sound defencive function can not be provided by setting, and to provide more efficiently protection just may need to increase significantly equipment zero The quantity of part, also will increase cost.

Utility model content

To solve technological deficiency present in background technique, the utility model was not increasing the basis of multiple component On, it proposes a kind of linear motor operational safety protective device for taking into account mechanical protection and electic protection, efficiently solves above-mentioned skill Art problem, specific technical solution are as follows:

A kind of linear motor operational safety protective device, including mechanical protection and electic protection, the mechanical protection include Bracket touches block, reduction torsion spring, elastic jacking block, limit switch, and the touch block includes ontology and the touching set on body bottom portion Dynamic slope, the touch block body are fixed on bracket by shaft, and the reduction torsion spring is arranged in shaft and acts on branch Between frame and touch block, the elasticity jacking block is fixed on the bracket for touching block bottom, is passed through own resilient under normal state and is made For touching the side on slope, the bottom for touching slope is equipped with a detent, the trigger point phase of the detent and limit switch Contact, the limit switch are fixed on bracket one end；

The electic protection includes the electric switch connecting with limit switch, connect with electric switch and be arranged in straight-line electric The braking steel ring of power output shaft periphery and the loop group for being wound in braking steel ring surface, loop group surface packet It is wrapped with one layer of insulating protective layer.

As the further technical solution of the utility model, the longitudal section on the touch slope for touching block is that obtuse angle differs The triangle on side, the adjacent surface where obtuse angle make round corner treatment, and the detent is set at the rounded corner at obtuse angle, the elasticity It is acted on face locating for triangle shorter edge under jacking block normal state by own resilient.

As the further technical solution of the utility model, the elasticity jacking block includes acrosome and is wound on the outside of acrosome And it is connected to the spring between acrosome and bracket, the quantity of the elasticity jacking block is no less than 2.

As the further technical solution of the utility model, the trigger point of the limit switch is equipped with resilient mounting, described Resilient mounting be the spring being wound on the outside of trigger point.

As the further technical solution of the utility model, the internal diameter of the braking steel ring is defeated slightly larger than linear motor power The conducting wire group number of the 8%-10% of shaft diameter out, the winding of the loop group are no less than 5 groups.

The utility model has the beneficial effects that: one-piece parts negligible amounts, safeguard protection performance is reliable, in trolley Stall can play in time the effect of braking when larger, and operator is prompted to exclude dependent failure as early as possible.

Detailed description of the invention

Fig. 1 is the schematic view of the front view of the utility model.

Fig. 2 is the side structure schematic view of the utility model.

Wherein: bracket 1 touches block 2, ontology 20, touches slope 21, detent 22, reduction torsion spring 3, elastic jacking block 4, acrosome 40, spring 41, limit switch 5, trigger point 50, resilient mounting 51, shaft 6, electric switch 7, braking steel ring 8, loop group 9.

Specific embodiment

The embodiments of the present invention is illustrated with related embodiment with reference to the accompanying drawing, it should be pointed out that Following related embodiment is merely to more preferably illustrate the utility model itself and the preferred embodiment lifted, and the reality of the utility model The mode of applying is not limited in following embodiment, and the utility model relates to the related necessary parts of the art, should It is considered as well-known technique in the art, is that technical staff belonging to the art can know that and grasp.

In the description of the present invention, it should be understood that term " transverse direction ", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "inner" is orientation based on the figure or position Relationship, merely to make sub- description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In conjunction with shown in attached drawing 1 and attached drawing 2, a kind of linear motor operational safety protective device, including mechanical protection and electrical Protection, the mechanical protection include bracket 1, touch block 2, reduction torsion spring 3, elastic jacking block 4, limit switch 5, the touch block 2 Including ontology 20 and set on the touch slope 21 of 20 bottom of ontology, 2 ontology 20 of touch block is fixed on bracket by shaft 6 On 1, the reduction torsion spring 3 is arranged in shaft 6 and acts on bracket 1 and touches between block 2, and the elasticity jacking block 4 is fixed on On the bracket 1 for touching 2 bottom of block, the side for touching slope 21 is acted under normal state by own resilient, it is described to touch tiltedly The bottom on slope 21 is equipped with a detent 22, and the detent 22 is in contact with the trigger point 50 of limit switch 5, and the limit switch 5 is solid Due to 1 one end of bracket；

The electic protection includes the electric switch 7 connecting with limit switch 5, connect with electric switch 7 and is arranged in straight The braking steel ring 8 of line motor power output shaft periphery and the loop group 9 for being wound in braking 8 surface of steel ring, the loop Group 9 is coated with one layer of insulating protective layer.

The embodiments of the present invention are as follows: the mechanical protection part of the utility model is set under linear motor guide rail Electic protection part is set on linear motor output shaft by side, and mechanical protection and electic protection are accessed linear motor In circuit system, when trolley proper motion, positioning plate below trolley from touch passed through among block 2 without It can trigger and touch block 2, and the operation of trolley side is broken down when leading to trolley stall, below trolley Positioning plate can deviate from touching block 2, cause to knock and touch block 2 and set out limit switch 5, if impact force is less than so that touch The pre set force of the resilient mounting 51 of point 50 and elastic jacking block 4, then limit switch 5 will prompt operator to overhaul, and And electic protection will not be run, if impact force is greater than the pre set force of resilient mounting 51 and elastic jacking block 4, limit switch 5 will It can be triggered completely, while the electic protection starting that can link, equipment can shut down, and electic protection is powered on, can be right The output shaft of linear motor generates a reversed magnetic torque and linear motor is promoted to stall rapidly, drives trolley braking, Zhi Daocao Make personnel to debug completely.

In conjunction with shown in attached drawing 1 and attached drawing 2, as the further technical solution of the utility model, the touch for touching block 2 The longitudal section on slope 21 is the unequal-sided triangle in obtuse angle, and the adjacent surface where obtuse angle makees round corner treatment, the detent 22 At the rounded corner at obtuse angle, acted on locating for triangle shorter edge under elasticity 4 normal state of jacking block by own resilient Face on, ensure that elastic top block 4 and front contact 50 can be in a smooth plane operations, so that touching block 2 in this way The running of itself is sensitive enough, and defencive function can timely respond to rapidly.

As the further technical solution of the utility model, the elasticity jacking block 4 is including acrosome 40 and is wound in acrosome The quantity of 40 outsides and the spring 41 being connected between acrosome 40 and bracket 1, the elasticity jacking block 4 is no less than 2, elastic jacking block The power of 4 spring 41 should be the power of a preset fixed range, and the size of this power meets trolley and breaking down When in time by the impact force feedback of particular range to limit switch 5.

In conjunction with shown in attached drawing 1, as the further technical solution of the utility model, the trigger point 50 of the limit switch 5 Equipped with resilient mounting 51, the resilient mounting 51 is the spring for being wound in 50 outside of trigger point, so that trigger point 50 exists It, can be after releasing the triggering state for touching block 2 after completing warning function, automatic homing to the state that do not alarm.

In conjunction with shown in attached drawing 1, as the further technical solution of the utility model, the internal diameter of the braking steel ring 8 is bigger 5 groups are no less than in the conducting wire group number of the 8%-10% of linear motor power output shaft diameter, the winding of the loop group 9, this Sample ensures that the torque size can make linear motor stall rapidly when generating opposing torque, it is ensured that safety.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art Art personnel can also make several improvements and modifications without departing from the principle of this utility model, these improvements and modifications Also it should be regarded as the protection scope of the utility model.

Claims

1. a kind of linear motor operational safety protective device, including mechanical protection and electic protection, which is characterized in that the machinery Protection includes bracket, touches block, reduction torsion spring, elastic jacking block, limit switch, and the touchs block includes ontology and set on ontology The touch slope of bottom, the touch block body are fixed on bracket by shaft, and the reduction torsion spring is arranged in shaft simultaneously It acts on bracket and touches between block, the elasticity jacking block is fixed on the bracket for touching block bottom, by certainly under normal state Body elastic force acts on the side for touching slope, and the bottom for touching slope is equipped with a detent, the detent and limit switch Trigger point is in contact, and the limit switch is fixed on bracket one end；

The electic protection includes the electric switch connecting with limit switch, connect with electric switch and to be arranged in straight-line electric motor-driven The braking steel ring of power output shaft periphery and the loop group for being wound in braking steel ring surface, the loop group are coated with One layer of insulating protective layer.

2. a kind of linear motor operational safety protective device according to claim 1, which is characterized in that the touch block The longitudal section for touching slope is the unequal-sided triangle in obtuse angle, and the adjacent surface where obtuse angle makees round corner treatment, the detent At the rounded corner at obtuse angle, acted on locating for triangle shorter edge under the elasticity jacking block normal state by own resilient On face.

3. a kind of linear motor operational safety protective device according to claim 1, which is characterized in that the elasticity jacking block Including acrosome and it is wound on the outside of acrosome and is connected to the spring between acrosome and bracket, the quantity of the elasticity jacking block is many In 2.

4. a kind of linear motor operational safety protective device according to claim 1, which is characterized in that the limit switch Trigger point be equipped with resilient mounting, the resilient mounting is the spring being wound on the outside of trigger point.

5. a kind of linear motor operational safety protective device according to claim 1, which is characterized in that the braking steel ring Internal diameter be slightly larger than the 8%-10% of linear motor power output shaft diameter, the conducting wire group number of the winding of the loop group is many In 5 groups.