CN218266930U

CN218266930U - Electromagnetic brake with wear monitoring function

Info

Publication number: CN218266930U
Application number: CN202222335099.3U
Authority: CN
Inventors: 王胜虎
Original assignee: Li Dian Technology Shanghai Co ltd
Current assignee: Li Dian Technology Shanghai Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-01-10
Anticipated expiration: 2032-09-01

Abstract

The utility model relates to an electromagnetic braking ware field discloses an electromagnetic braking ware of area wearing and tearing monitoring function, which comprises a stator, the second round hole has been seted up to the inside upper end of stator, the inside inseparable block of second round hole is connected with the bearing seal, stator outer wall one end fixedly connected with connecting rod, the connecting rod is at the one end fixedly connected with release handle of keeping away from the stator, the stator outer wall has seted up the grooving near ring one side, grooving a lateral wall fixedly connected with detection switch, stator lower extreme swing joint has armature, the armature lower extreme passes through hollow screw fixedly connected with friction disc, the inside upper end fixedly connected with friction disc of friction disc. The utility model discloses in, increased monitoring switch and detection screw rod through the design, solved the defect that current product can't provide the product running state, can realize through the monitoring switch that the wearing and tearing monitoring reports function and stopper on-off state and reports the function.

Description

Electromagnetic brake with wear monitoring function

Technical Field

The utility model relates to an electromagnetic braking ware field especially relates to an electromagnetic braking ware of area wearing and tearing monitoring function.

Background

The motor is widely applied in various industries, and in some important application occasions, a power-off braking type electromagnetic brake is required to be installed at the tail end of the motor, so that when the motor stops running, the electromagnetic brake is powered off, and the brake is put into braking, thereby forming a set of safety system for a transmission system of the motor.

In the existing brake, the defect that the product cannot provide the running state of the product exists mostly, and the wear monitoring reporting function and the brake switch state reporting function do not exist, so in order to solve the problems, the brake is additionally provided with a monitoring switch and a detection screw rod through the design except for a stator, a rotor, an electromagnetic coil, a mounting bolt and a release handle, the defect that the product cannot provide the running state of the product at present is solved, and the wear monitoring reporting function and the brake switch state reporting function can be realized through the monitoring switch.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the electromagnetic braking ware of a take wearing and tearing monitoring function that proposes, this stopper has increased "monitoring switch" and "detection screw rod" through the design, has solved the defect that current product can't provide the product running state, can realize through "monitoring switch that wearing and tearing monitoring is reported function and stopper on-off state and is reported the function.

In order to achieve the above purpose, the utility model provides a following technical scheme: an electromagnetic brake with a wear monitoring function comprises a stator, wherein a second round hole is formed in the upper end of the interior of the stator, a shaft seal is tightly clamped and connected in the second round hole, three threaded holes are formed in the periphery of the second round hole in the surface of the upper end of the stator, mounting nuts are uniformly and threadedly connected in the three threaded holes, one end of the outer wall of the stator is fixedly connected with a connecting rod, a release handle is fixedly connected at one end far away from the stator by the connecting rod, a round ring is fixedly connected at one end far away from the connecting rod of the outer wall of the stator, a second electric connector is fixedly connected in the round ring of the outer wall of the stator, a notch is formed in one side close to the round ring of the outer wall of the stator, a detection switch is fixedly connected to one side wall of the notch, a first electric connector is fixedly connected in the middle end of one side wall of the detection switch, a first round hole is formed in the lower end of the notch of the stator, a detection screw is movably connected with an armature, the lower end of the stator is movably connected with an armature, a second nut is in one end of the detection screw penetrating through the armature, a friction disc is fixedly connected through a hollow screw, a first friction disc is fixedly connected in the outer wall of the hollow screw between the armature and the friction disc through the hollow screw, and a friction disc is fixedly connected in the upper end of the hollow screw;

through the technical scheme, the brake is additionally provided with the monitoring switch and the detection screw rod through design, the defect that the current product cannot provide the running state of the product is overcome, and the wear monitoring reporting function and the brake switch state reporting function can be realized through the monitoring switch.

Further, the detection screw is directly and mechanically installed on the armature;

through the technical scheme, the detection screw rod is fixed on the armature through a direct mechanical installation mode, and the displacement of the detection screw rod directly reflects the stroke of the armature.

Furthermore, two trigger points are fixedly arranged in the detection switch;

through the technical scheme, the monitoring switch has a 2-level trigger point, when the 1 st-level trigger point is triggered or not triggered, the monitoring switch represents that a product is in an on or off state, and when the 2 nd-level trigger point is triggered or not triggered, the monitoring switch represents whether a friction plate of the product is worn or not.

Further, the stator material is electromagnetic pure iron;

through the technical scheme, the material of the stator is selected from the electromagnetic pure iron with lower carbon content and good electromagnetic performance, so that the working efficiency can be effectively improved.

Furthermore, a step is arranged on the surface of the stator attracting armature;

through the technical scheme, the step is designed on the surface of the stator attracting armature, and when the electromagnetic coil is powered off, the demagnetization speed of the stator is accelerated.

Furthermore, when the product is in a normal braking state, a gap of 0.3-1 mm is formed between the stator and the armature;

through the technical scheme, the gap provides a buffer space for the armature to move, so that the loss after long-term use is reduced, and the service life of a product is prolonged.

Furthermore, a groove is formed in the outer wall of the stator close to the lower end;

through above-mentioned technical scheme, the design has the round recess on the stator, the dust ring installation of being convenient for.

Further, the hollow screw is a hollow external thread, and the head of the hollow screw is an outer hexagon;

through above-mentioned technical scheme, the cannulated screw is the cavity external screw thread, and cavity is in order to make the construction bolt pass, and the external screw thread is in order to make the screw thread of cannulated screw in the screwed hole of stator, and the head sets up for outer hexagon type, is in order to use the rotatory cannulated screw of instrument.

The utility model discloses following beneficial effect has:

1. the utility model provides a take electromagnetic braking ware of wearing and tearing monitoring function, in the electromagnetic braking ware that exists now, all there is the defect that can't provide the product running state, lead to having a great deal of inconvenience when using, consequently in order to solve this problem, this stopper is equipped with the detection screw rod, fixes on armature through the direct mode through mechanical mounting of detection screw rod, can be when using direct displacement through the detection screw rod and then reflect the stroke of armature, great improvement the performance of stopper.

2. The utility model provides a take electromagnetic braking ware of wearing and tearing monitoring function, in the electromagnetic braking ware that exists today, do not have wearing and tearing to detect and report function and stopper on-off state and report function, this can't the accuracy learn the working property of stopper when leading to the use, consequently in order to solve this problem, this stopper is equipped with wearing and tearing and detects and report function and stopper on-off state and report function, through fixed setting detection switch in the detection screw rod top, set up 2 levels trigger point in the monitoring switch, when 1 st level trigger point triggers or does not trigger, represent the state that the product is in opening or closing, when 2 nd level trigger point triggers or does not trigger, whether the friction disc of representing the product is worn and torn.

3. The utility model provides a take electromagnetic braking ware of wearing and tearing monitoring function, in the electromagnetic braking ware that exists today, mostly do not have the function of manual brake release, this leads to being difficult to the brake release when electroless supply, consequently in order to solve this problem, this stopper is equipped with the function of manual brake release, through at stator outer wall one end fixedly connected with connecting rod, the one end fixedly connected with release handle of stator is kept away from at the connecting rod, can be when electroless supply, realize that electromagnetic braking system is the brake release through using the release handle, the security when using has improved greatly.

Drawings

Fig. 1 is an axonometric view of an electromagnetic brake with a wear monitoring function proposed by the present invention;

fig. 2 is a top view of an electromagnetic brake with a wear monitoring function according to the present invention;

fig. 3 is a side view of an electromagnetic brake with a wear monitoring function according to the present invention;

fig. 4 is a bottom view of the electromagnetic brake with wear monitoring function according to the present invention.

Illustration of the drawings:

1. a stator; 2. mounting a nut; 3. a connecting rod; 4. releasing the handle; 5. an armature; 6. a friction disk; 7. a cannulated screw; 8. a first nut; 9. a second nut; 10. a first circular hole; 11. detecting a screw rod; 12. a groove; 13. a detection switch; 14. a first electric connector; 15. a second electric connector; 16. a circular ring; 17. a threaded hole; 18. a second circular hole; 19. shaft sealing; 20. a friction plate; 21. and (6) grooving.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides an electromagnetic brake with wear monitoring function, including stator 1, stator 1 inside upper end has seted up second round hole 18, the inside inseparable block of second round hole 18 is connected with bearing seal 19, stator 1 upper end surface has seted up three screw hole 17 around second round hole 18, the inside equal threaded connection of three screw hole 17 has installation nut 2, stator 1 outer wall one end fixedly connected with connecting rod 3, connecting rod 3 is at the one end fixedly connected with release handle 4 of keeping away from stator 1, stator 1 outer wall is at the one end fixedly connected with ring 16 of keeping away from connecting rod 3, stator 1 outer wall is at the inside fixedly connected with second electric connector 15 of ring 16, stator 1 outer wall has seted up grooving 21 on the side of being close to ring 16, grooving 21 a lateral wall fixedly connected with detection switch 13, detection switch 13 lateral wall middle-end fixedly connected with first electric connector 14, stator 1 has seted up first round hole 10 at grooving 21 lower extreme, the inside activity of first round hole 10 is connected with detection screw 11, stator 1 lower extreme activity is connected with armature 5, detection screw 11 is at the one end screw that passes armature 5, detection screw 11 is connected with second nut 9 through hollow core 7 fixedly connected with, the lower extreme fixedly connected with friction disk 6 through hollow core, the monitoring switch 7 the monitoring switch outer wall, the upper end can's monitoring switch is through the monitoring switch product design defect that the monitoring switch is reported and the monitoring switch can's state can's fail to monitor the product, the monitoring switch is provided by this stopper, the monitoring switch, the product, the upper end, the monitoring switch is provided the monitoring defect and the monitoring switch is reported.

The detection screw 11 is directly and mechanically installed on the armature 5, the detection screw is fixed on the armature through a direct mechanical installation mode, the displacement of the detection screw directly reflects the stroke of the armature, the detection switch 13 is internally and fixedly provided with two trigger points, the monitoring switch is provided with a 2-level trigger point, when the 1 st-level trigger point is triggered or not triggered, the product is in an on or off state, when the 2 nd-level trigger point is triggered or not triggered, whether a friction plate of the product is abraded or not is represented, the stator 1 is made of electromagnetic pure iron, the stator is made of electromagnetic pure iron with low carbon content and good electromagnetic performance, the working efficiency can be effectively improved, a step is arranged on the surface of the stator 1 attracting armature 5, the step is designed on the surface of the stator attracting armature, after the electromagnetic coil is powered off, the demagnetization speed of the stator is accelerated, when the product is in a normal braking state, a gap of 0.3 mm-1 mm between the stator 1 and the armature 5 is arranged between the stator and the armature 5, the gap exists, a buffer space is provided when the armature moves, the hollow screw is arranged to be a hollow screw capable of penetrating through a hexagon screw, the hollow screw can be arranged in a hollow screw hole, and the hollow screw can be arranged outside for enabling the hollow screw to pass through a hexagon screw, the hollow screw is arranged outside for the hollow screw, the hollow screw is a hollow screw head is arranged to be a hollow screw for enabling the hollow screw to be a hollow screw for the use, the hollow screw for the hollow screw to be a hollow screw for the external screw, the hollow screw for enabling the hollow screw to be convenient to pass through.

The working principle is as follows: an electromagnetic coil is arranged in the stator 1, and when direct current is introduced into the electromagnetic coil, the stator 1 forms electromagnetic attraction on the armature 5; a plurality of springs are arranged in the stator 1, when the electromagnetic coil is electrified, the electromagnetic attraction can overcome the elastic force of the springs and then attract the armature 5 back, when the electromagnetic coil is powered off, the electromagnetic force disappears, and the spring force can push the armature 5 away, so that the armature 5 presses the friction plate 20 and the friction disc 6 to be in contact; the detection screw 11 is arranged on a fixed threaded hole of the armature 5 and penetrates through a first round hole 10 on the stator 1, and by designing the height of the detection screw 11, the monitoring switch 13 can judge which running state the product is in, including on and off and whether the friction plate 20 is abraded, according to different displacements of the detection screw 11; the shaft seal 19 is used for preventing foreign matters from falling into the brake; the hollow screw 7 is used for supporting the stator 7 to form a braking gap; the release handle 4 is used to effect the release of the electromagnetic brake by a manual function without electrical supply.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An electromagnetic brake with a wear monitoring function, comprising a stator (1), characterized in that: the detection device is characterized in that a second round hole (18) is formed in the upper end inside the stator (1), a shaft seal (19) is tightly clamped and connected to the inner portion of the second round hole (18), three threaded holes (17) are formed in the periphery of the second round hole (18) in the upper end surface of the stator (1), a mounting nut (2) is connected to the inner portion of each threaded hole (17) in a threaded manner, a connecting rod (3) is fixedly connected to one end of the outer wall of the stator (1), a release handle (4) is fixedly connected to one end of the connecting rod (1) away from the stator (1), a ring (16) is fixedly connected to the outer wall of the stator (1), a second electric connector (15) is fixedly connected to the outer wall of the stator (1) inside the ring (16), a slot (21) is formed in the outer wall of the stator (1) close to one side of the ring (16), a detection switch (13) is fixedly connected to one side wall of the slot (21), a first electric connector (14) is fixedly connected to the middle wall of one side wall of the detection switch (13), a first round hole (10) is formed in the lower end of the stator (1) and a detection screw (5) penetrates through the movable detection screw (5), and a second electric connector (11) is connected to the stator (5) connected to the lower end of the stator (1) (9) The lower end of the armature (5) is fixedly connected with a friction disc (6) through a hollow screw (7), a first nut (8) is in threaded connection between the armature (5) and the friction disc (6) on the outer wall of the hollow screw (7), and a friction disc (20) is fixedly connected to the upper end inside the friction disc (6).

2. An electromagnetic brake with a wear monitoring function as claimed in claim 1, characterized in that: the detection screw rod (11) is directly and mechanically arranged on the armature (5).

3. An electromagnetic brake with a wear monitoring function as claimed in claim 1, characterized in that: two trigger points are fixedly arranged in the detection switch (13).

4. An electromagnetic brake with a wear monitoring function as claimed in claim 1, characterized in that: the stator (1) is made of electromagnetic pure iron.

5. The electromagnetic brake with the wear monitoring function as claimed in claim 1, characterized in that: and a step is arranged on the surface of the stator (1) attracting the armature (5).

6. The electromagnetic brake with the wear monitoring function as claimed in claim 1, characterized in that: a gap of 0.3 mm-1 mm is arranged between the stator (1) and the armature (5).

7. An electromagnetic brake with a wear monitoring function as claimed in claim 1, characterized in that: the outer wall of the stator (1) is provided with a groove (12) near the lower end.

8. An electromagnetic brake with a wear monitoring function as claimed in claim 1, characterized in that: the hollow screw (7) is a hollow external thread, and the head of the hollow screw (7) is in an outer hexagonal shape.