CN218290041U - Electric trigger type safety tongs - Google Patents

Abstract

The utility model belongs to the technical field of elevator accessory, concretely relates to electricity triggers formula safety tongs, including heavily putting up the body, be provided with locking mechanism on the heavy body, the last safety calliper that is provided with of locking mechanism, safety calliper and the heavy body contact that puts up, sliding connection has the cable wire in the safety calliper, fixed mounting has the motor on the safety calliper, the output shaft and the safety calliper of motor rotate to be connected, the output shaft fixedly connected with screw spindle of motor, there is the backup pad in the outside of screw spindle through threaded connection, backup pad and safety calliper sliding connection. The utility model discloses a promote safety calliper and this body contact of heavily putting up for the picture peg inserts heavily putting up the body, then fixes fastening bolt lock, makes safety calliper be in and connects stably, and under the deformation effect of first spring, can promote the cardboard spacing to the draw-in groove joint, improves the permanent stability of fastening bolt.

Description

Electric trigger type safety tongs

Technical Field

The utility model relates to an elevator accessory technical field specifically is an electricity triggers formula safety tongs.

Background

An electric trigger type safety gear is provided in patent grant publication No. CN111747262A, belonging to the field of elevator accessories, and comprises a gear seat, a swing plate, a brake wheel and an electromagnet; the clamp seat is provided with a jaw used for clamping the car guide rail; the swinging plate is hinged to one surface of the plier seat with the plier mouth, and the electromagnet is fixedly arranged at one end of the plier seat corresponding to the swinging plate and is used for pushing the swinging plate to swing when being electrified; the brake wheel is movably mounted on the swinging plate, is positioned in the jaw and swings along with the swinging plate to be contacted with the car guide rail. This safety tongs simple structure, high durability and convenient use, trigger the swinging plate action through the control electro-magnet, and then make the braked wheel be close to car guide and the contact of car guide and make the system stop, can trigger the elevator fast, realize that the car system stops, high durability and safety in utilization, but it also has certain defect, at first, this patent adopts the adsorption mode of electro-magnet, make the braked wheel to the cable wire press and hold the processing, because there is the uncertainty problem in the strength of the magnetic force of electro-magnet, it is not enough to probably lead to the pressure dynamics of braked wheel to the cable wire, secondly, safety tongs is many to be fixed with heavily putting up through the bolt, because there is not good stop gear, the bolt uses easily to produce not hard up the problem for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electricity triggers formula safety tongs has solved electricity and has triggered formula safety tongs, and there is uncertainty problem in the strength of the magnetic force of electro-magnet, and it is not enough to probably lead to the dynamics of holding down of brake wheel pair cable wire to solved not have good stop gear, made the bolt use for a long time easily to produce not hard up problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electricity triggers formula safety tongs, includes heavily putting up the body, be provided with locking mechanism on heavily putting up the body, locking mechanism is last to be provided with safety caliper, safety caliper and heavily putting up body contact, sliding connection has the cable wire in the safety caliper, fixed mounting has the motor on the safety caliper, the output shaft and the safety caliper rotation of motor are connected, the output shaft fixedly connected with screw shaft of motor, there is the backup pad outside of screw shaft through threaded connection, backup pad and safety caliper sliding connection, fixedly connected with roof plate in the backup pad, fixedly connected with kicking ball on the roof, kicking ball and cable wire contact, fixedly connected with clutch blocks in the safety caliper, be provided with guiding mechanism in the backup pad.

Preferably, locking mechanism includes nut, picture peg, fastening bolt, draw-in groove, cardboard, end plate and first spring, fixedly connected with nut on the heavily putting up body, this internal sliding connection of heavily putting up has the picture peg, picture peg and safety caliper fixed connection, this internal swing joint of heavily putting up has the fastening bolt, fastening bolt and picture peg swing joint, the fastening bolt passes through threaded connection with the nut, the draw-in groove has been seted up in the fastening bolt, this internal sliding connection of heavily putting up has the cardboard, cardboard and picture peg sliding connection, cardboard and draw-in groove sliding connection, fixedly connected with end plate on the cardboard, end plate and heavily putting up body contact, use through the cooperation of fastening bolt, picture peg, nut isotructure, can carry out fixed connection to safety caliper.

Preferably, the clamping grooves are four in number, the four clamping grooves are arranged on the fastening bolt in an annular array, and the clamping grooves are convenient to match with the clamping plate to use.

Preferably, the end disc is welded with a first spring, the other end of the first spring is welded with the heavy frame body, and the end disc can be connected and used through the arrangement of the first spring.

Preferably, the guiding mechanism comprises a connecting rod, a mounting seat, a second spring, a guide wheel and a sliding ball, the connecting rod is connected in the supporting plate in a sliding mode, the mounting seat is fixedly connected to the connecting rod, the second spring is arranged on the outer side of the connecting rod, one end of the second spring is welded to the supporting plate, the other end of the second spring is welded to the mounting seat, and the guiding mechanism can be used for connecting the mounting seat through the arrangement of the second spring.

Preferably, the mounting seat is provided with a guide wheel, the guide wheel is in contact with the safety calipers, the mounting seat is fixedly connected with a sliding ball, the sliding ball is in contact with the safety calipers, and the guide processing can be performed on the supporting plate through the arrangement of the guide wheel and the sliding ball.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a promote safety calliper and this body contact of heavily putting up for the picture peg inserts heavily putting up the body, then fixes fastening bolt lock, makes safety calliper be in and connects stably, and under the deformation effect of first spring, can promote the cardboard spacing to the draw-in groove joint, improves the permanent stability of fastening bolt.

2. The utility model discloses a starter motor drives the threaded spindle and rotates, under threaded connection's relation, can promote the backup pad to the direction removal that is close to the cable wire, and then drive knob and cable wire contact to the effect of cooperation clutch blocks can carry out spacing pressure to the cable wire and hold, and under the effect of frictional force, carries on spacingly to the cable wire.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

fig. 2 is a front sectional view of fig. 1 of the present invention;

fig. 3 is an enlarged view of the point a of fig. 2 according to the present invention;

fig. 4 is a side sectional view of the socket of fig. 2 according to the present invention;

fig. 5 is an enlarged view of the position B of fig. 2 according to the present invention;

fig. 6 is a partial top view of the safety caliper of fig. 2 according to the present invention.

In the figure: 1. a heavy rack body; 2. a locking mechanism; 3. safety calipers; 4. a steel cord; 5. a motor; 6. a threaded shaft; 7. a support plate; 8. a top plate; 9. ejecting the ball; 10. a friction block; 11. a guide mechanism; 21. a nut; 22. inserting plates; 23. fastening bolts; 24. a card slot; 25. clamping a plate; 26. an end disc; 27. a first spring; 111. a connecting rod; 112. a mounting seat; 113. a second spring; 114. a guide wheel; 115. and (4) sliding balls.

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 work belong to the protection scope of the present invention.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, an electricity triggers formula safety tongs, including heavily putting up body 1, be provided with locking mechanism 2 on heavily putting up body 1, be provided with safety calliper 3 on the locking mechanism 2, safety calliper 3 contacts with heavily putting up body 1, sliding connection has cable wire 4 in safety calliper 3, fixed mounting has motor 5 on the safety calliper 3, motor 5's output shaft and safety calliper 3 rotate to be connected, motor 5's output shaft fixedly connected with threaded shaft 6, threaded shaft 6's the outside has backup pad 7 through threaded connection, backup pad 7 and safety calliper 3 sliding connection, fixedly connected with roof 8 on the backup pad 7, fixedly connected with kicking ball 9 on the roof 8, kicking ball 9 and cable wire 4 contact, fixedly connected with friction block 10 in the safety calliper 3, be provided with guiding mechanism 11 on the backup pad 7.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, the locking mechanism 2 includes a nut 21, an insert plate 22, a fastening bolt 23, a slot 24, a clamping plate 25, an end disc 26 and a first spring 27, the nut 21 is fixedly connected to the heavy frame body 1, the insert plate 22 is slidably connected to the heavy frame body 1, the insert plate 22 is fixedly connected to the safety caliper 3, the fastening bolt 23 is movably connected to the heavy frame body 1, the fastening bolt 23 is movably connected to the insert plate 22, the fastening bolt 23 is connected to the nut 21 through a screw thread, the slot 24 is formed in the fastening bolt 23, the slot 24 is provided with four slots 24, the four slots 24 are arranged on the fastening bolt 23 in a circular array, the slot 24 is convenient to be used in cooperation with the clamping plate 25, the clamping plate 25 is slidably connected to the insert plate 22, the clamping plate 25 is slidably connected to the slot 24, the end disc 26 is in contact with the heavy frame body 1, the fastening bolt 23, the slot 22, the safety caliper 3 can be used in cooperation with the first spring 27, and the spring 27 is welded to the first spring 27.

Referring to fig. 1, 2, 5, and 6, the guide mechanism 11 includes a connecting rod 111, a mounting seat 112, a second spring 113, a guide wheel 114, and a sliding ball 115, the connecting rod 111 is slidably connected to the support plate 7, the mounting seat 112 is fixedly connected to the connecting rod 111, the second spring 113 is disposed outside the connecting rod 111, one end of the second spring 113 is welded to the support plate 7, and the other end of the second spring 113 is welded to the mounting seat 112, and the mounting seat 112 can be connected to the mounting seat 112 through the second spring 113.

Referring to fig. 1, 2, 5 and 6, a guide wheel 114 is disposed on the mounting base 112, the guide wheel 114 contacts with the safety caliper 3, a sliding ball 115 is fixedly connected to the mounting base 112, the sliding ball 115 contacts with the safety caliper 3, and the guide wheel 114 and the sliding ball 115 are disposed to guide the support plate 7.

The utility model discloses the concrete implementation process as follows: when the electric trigger type safety gear needs to be used, the end disc 26 can be pulled to move towards the direction far away from the heavy frame body 1 to drive the clamping plate 25 to slide, the first spring 27 is stressed to deform, then the safety caliper 3 is pushed to be in contact with the heavy frame body 1, the inserting plate 22 is inserted into the heavy frame body 1, then the fastening bolt 23 is pushed to penetrate through the heavy frame body 1 and the inserting plate 22, the fastening bolt 23 is contacted with the nut 21, the fastening bolt 23 is pushed to rotate, the fastening bolt 23 is locked and fixed under the relationship of threaded connection, the safety caliper 3 is in a stable connection state, the problem that the fastening bolt 23 is loosened can be avoided under the clamping action of the clamping plate 25, when the elevator stopper is used for detecting the abnormal moving speed of the steel guide rope 4, starting motor 5 drives threaded shaft 6 and rotates, under threaded connection's relation, can promote backup pad 7 to the direction removal of being close to cable wire 4, move in order to drive roof 8, and then drive knob 9 and extrude cable wire 4, make cable wire 4 take place to warp, and crooked to the left side, final cable wire 4 and clutch blocks 10 contact, under the effect of frictional force, carry out the speed limit to cable wire 4 and handle, finally make cable wire 4 stop motion, avoid elevator car's the problem that drops, at this in-process, through the deformation effect of second spring 113, can promote mount pad 112 and be in stable state all the time, and then drive guide pulley 114 and roll along the 3 inner walls of safety caliper, and smooth ball 115 atress slides along the 3 inner walls of safety caliper, carry out the guide processing to backup pad 7.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an electricity triggers formula safety tongs, includes heavily putting up body (1), its characterized in that: the heavy frame is provided with locking mechanism (2) on body (1), be provided with safety caliper (3) on locking mechanism (2), safety caliper (3) and heavy frame body (1) contact, sliding connection has cable wire (4) in safety caliper (3), fixed mounting has motor (5) on safety caliper (3), the output shaft and safety caliper (3) of motor (5) rotate and are connected, the output shaft fixedly connected with screw spindle (6) of motor (5), there is backup pad (7) in the outside of screw spindle (6) through threaded connection, backup pad (7) and safety caliper (3) sliding connection, fixedly connected with roof (8) are gone up in backup pad (7), fixedly connected with knob (9) are gone up in roof (8), knob (9) and cable wire (4) contact, fixedly connected with friction block (10) in safety caliper (3), be provided with guiding mechanism (11) on backup pad (7).

2. An electrically triggered safety gear according to claim 1, characterized in that: locking mechanism (2) are including nut (21), picture peg (22), fastening bolt (23), draw-in groove (24), cardboard (25), end dish (26) and first spring (27), fixedly connected with nut (21) is gone up in heavy frame body (1), sliding connection has picture peg (22) in heavy frame body (1), picture peg (22) and safety caliper (3) fixed connection, swing joint has fastening bolt (23) in heavy frame body (1), fastening bolt (23) and picture peg (22) swing joint, fastening bolt (23) pass through threaded connection with nut (21), draw-in groove (24) have been seted up in fastening bolt (23), sliding connection has cardboard (25) in heavy frame body (1), cardboard (25) and picture peg (22) sliding connection, cardboard (25) and draw-in groove (24) sliding connection, fixedly connected with end dish (26) is gone up in cardboard (25), end dish (26) and heavy frame body (1) contact.

3. An electrically triggered safety gear according to claim 2, characterized in that: the number of the clamping grooves (24) is four, and the four clamping grooves (24) are arranged on the fastening bolt (23) in an annular array.

4. An electrically triggered safety gear according to claim 2, characterized in that: the end disc (26) is welded with a first spring (27), and the other end of the first spring (27) is welded with the heavy frame body (1).

5. An electrically triggered safety gear according to claim 1, characterized in that: guiding mechanism (11) are including connecting rod (111), mount pad (112), second spring (113), guide pulley (114) and smooth ball (115), sliding connection has connecting rod (111) in backup pad (7), fixedly connected with mount pad (112) on connecting rod (111), the outside of connecting rod (111) is provided with second spring (113), the one end and the backup pad (7) welding of second spring (113), the other end and mount pad (112) welding of second spring (113).

6. An electrically triggered safety gear according to claim 5, characterized in that: the safety caliper is characterized in that a guide wheel (114) is arranged on the mounting seat (112), the guide wheel (114) is in contact with the safety caliper (3), a sliding ball (115) is fixedly connected to the mounting seat (112), and the sliding ball (115) is in contact with the safety caliper (3).

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