CN217059288U - Chain breakage detection device - Google Patents
Chain breakage detection device Download PDFInfo
- Publication number
- CN217059288U CN217059288U CN202122761447.9U CN202122761447U CN217059288U CN 217059288 U CN217059288 U CN 217059288U CN 202122761447 U CN202122761447 U CN 202122761447U CN 217059288 U CN217059288 U CN 217059288U
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- unhooking
- chain
- pull rod
- tripping
- connecting block
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model relates to an automatic change lifting machine technical field, and disclose a chain rupture detection device, including the car crossbeam, it puts one end and has seted up the mounting hole to keep away from central point on the car crossbeam. This kind of chain breakage detection device, when the chain fracture, the whole of tripping linkage mechanism can be upwards pulled, when the whole of tripping linkage mechanism is pulled out the installation shell outside, thereby the rotation takes place for two connecting axles of the unhooking connecting block that are located the below and the dropout rebound, the response piece that is located two one sides of unhooking connecting block and sensor take place relative displacement, thereby can make the response piece break away from the detection range of sensor, and then the sensor signals, the signal passes to the controller via the wire, thereby controller control motor emergency braking plays the effect of protective apparatus, the integrality of effectual detection lifting machine operation in-process chain, there is not movable part simultaneously in the use, the friction between the part has been avoided, the security of lifting machine operation has been improved.
Description
Technical Field
The utility model relates to an automatic change lifting machine technical field specifically is a chain rupture detection device.
Background
According to the existing tripping linkage mechanism, when a chain is broken, the pull rod and the detection base are pushed downwards by the spring, when the detection base is close to the detection sensor, the detection sensor sends out a signal, the signal is transmitted to the controller through a signal wire, and the controller controls the motor to perform emergency braking so as to play a role in protecting equipment.
However, current dropout link gear because chain pull rod upper portion can not be locked with the nut, and the chain pull rod can produce relative motion friction with the car when the elevator car is reciprocating motion, and long-time friction can cause the chain pull rod to be levigated, and in the relative car motion process of chain pull rod, detects the base and can strike lock nut repeatedly, and long-time striking can cause lock nut's pine to take off and damage, has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a chain rupture detection device possesses the friction of effectively avoiding between the part, can fix advantages such as pull rod, has solved the problem that the background art provided.
(II) technical scheme
For realize above-mentioned friction of effectively avoiding between the part, can carry out the purpose fixed to the pull rod, the utility model provides a following technical scheme: a chain breakage detection device comprises a car beam, wherein one end, far away from a central position, of the car beam is provided with a mounting hole, the inner side of the mounting hole is provided with a pull rod, a chain is connected above the pull rod, the joint of the pull rod and the upper part of the car beam is fixedly connected through a locking nut I, the joint of the pull rod and the lower part of the car beam is fixedly connected through a locking nut II, the middle part of the upper part of the car beam is fixedly provided with a mounting shell, one side of a sensor inside the mounting shell is provided with a tripping linkage mechanism, the tail end of the tripping linkage mechanism and the bottom of the mounting shell are fixedly provided with a tension spring, one side below the tripping linkage mechanism is provided with an induction sheet, one side, corresponding to the tripping linkage mechanism, inside the mounting shell is provided with a support rod, the support rod is fixedly provided with a sensor, and the top end of the tripping linkage mechanism is fixedly provided with a rigid rod, the tail end of the rigid rod is fixedly connected with the chain.
Preferably, the tripping linkage mechanism comprises a tripping element, the tripping element is arranged on the installation shell, the tripping element and the installation shell are connected with each other through a tripping connecting shaft, a tripping connecting block I is fixedly arranged above the tripping element, a rigid rod is fixedly connected to the top end of the tripping connecting block, a tripping connecting block II is fixedly arranged below the tripping element, and a tension spring is arranged at the bottom of the tripping connecting block II.
Preferably, the sensing piece and the sensor are located on the same plane.
Preferably, the diameter of the pull rod is smaller than that of the mounting hole.
Preferably, a plurality of external threads are formed in the outer side of the pull rod, and the external threads are in threaded connection with the inner sides of the first locking nut and the second locking nut.
(III) advantageous effects
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. this kind of broken chain detection device, during the chain fracture, the whole of dropout link gear can be upwards spurted, when the whole of dropout link gear is pulled out the installation shell outside, thereby it takes place to rotate to take place to trip the rebound to be located two connecting axles of unhook connecting block of below, the response piece that is located two one sides of unhook connecting block and sensor take place relative displacement, thereby can make the response piece break away from the detection range of sensor, and then the sensor signals, the signal reaches the controller via the wire, thereby controller control motor emergency braking plays protective apparatus's effect, the integrality of effectual detection lifting machine operation in-process chain, do not have movable part simultaneously in the use, the friction between the part has been avoided, the security of lifting machine operation has been improved.
2. According to the chain breakage detection device, the upper and lower joints of the car beam and the pull rod are respectively fixed by the first locking nut and the second locking nut, the pull rod can be completely fixed above the car beam after being fixed, the pull rod is prevented from moving up and down, the service life of the suspension rod is greatly prolonged, and the overall safety of equipment is improved.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the mounting structure of the rigid rod of the present invention;
fig. 3 is a schematic view of the installation structure of the hook releasing member of the present invention.
In the figure: 1. a chain; 2. a pull rod; 3. locking the first nut; 301. locking a second nut; 4. a car cross member; 5. a tension spring; 6. a sensor; 7. an induction sheet; 8. installing a shell; 9. a tripping link gear; 901. a first unhooking connecting block; 902. unhooking the elements; 903. unhooking the connecting shaft; 904. a second unhooking connecting block; 10. a rigid rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-3, a chain breakage detection device comprises a car beam 4, a mounting hole is arranged at one end of the car beam 4 far away from the center, a pull rod 2 is arranged inside the mounting hole, a chain 1 is connected above the pull rod 2, the connection part of the pull rod 2 and the upper part of the car beam 4 is fixedly connected through a first locking nut 3, the connection part of the pull rod 2 and the lower part of the car beam 4 is fixedly connected through a second locking nut 301, a mounting shell 8 is fixedly arranged at the middle part above the car beam 4, a tripping linkage mechanism 9 is arranged at one side of a sensor 6 inside the mounting shell 8, a tension spring 5 is fixedly arranged at the tail end of the tripping linkage mechanism 9 and the bottom of the mounting shell 8, an induction sheet 7 is arranged at one side below the tripping linkage mechanism 9, a support rod is arranged at one side inside the mounting shell 8 corresponding to the tripping linkage mechanism 9, and the sensor 6 is fixedly arranged on the support rod, the induction sheet 7 and the sensor 6 are located on the same plane, the top end of the tripping linkage mechanism 9 is fixedly provided with a rigid rod 10, the tail end of the rigid rod 10 is fixedly connected with the chain 1, the car beam 4 is fixedly installed, the pull rod 2 is inserted into an installation hole in the upper portion of the car beam 4 in a fixed mode, after the installation is completed, the upper and lower connection portions of the car beam 4 and the pull rod 2 are respectively fixed through a first locking nut 3 and a second locking nut 301, the pull rod 2 can be completely fixed above the car beam 4 after the fixation, and the pull rod 2 is prevented from moving up and down.
Further, the tripping linkage mechanism 9 comprises a tripping element 902, the tripping element 902 is arranged on the installation shell 8, the tripping element 902 and the installation shell 8 are connected with each other through a tripping connecting shaft 903, a tripping connecting block I901 is fixedly arranged above the tripping element 902, a rigid rod 10 is fixedly connected to the top end of the tripping connecting block I901, a tripping connecting block II 904 is fixedly arranged below the tripping element 902, and a tension spring 5 is arranged at the bottom of the tripping connecting block II 904. when the chain 1 is broken in the process of using the car, the whole tripping linkage mechanism 9 is pulled upwards, the tripping element 902, the tripping connecting block I901 and the tripping connecting block II 904 are pulled out of the outside of the installation shell 8, when the whole tripping linkage mechanism 9 is pulled out of the outside of the installation shell 8, the connecting shaft of the tripping connecting block II 904 positioned below rotates to trip and move upwards, and when the tripping connecting block II 904 moves upwards, the induction sheet 7 and the sensor 6 which are positioned on one side of the second unhooking connecting block 904 are subjected to relative displacement, so that the induction sheet 7 is separated from the detection range of the sensor 6, the sensor 6 sends a signal, the signal is transmitted to the controller through a wire, and the controller controls the motor to perform emergency braking so as to play a role in protecting equipment.
Further, the diameter of the pull rod 2 is smaller than that of the mounting hole.
Furthermore, a plurality of external threads are formed in the outer side of the pull rod 2, and the external threads are connected with the inner side threads of the first locking nut 3 and the second locking nut 301.
The working principle is as follows: the car beam 4 is fixedly installed, the pull rod 2 is inserted into the inner side of the installation hole above the car beam 4 in a plugging mode when the car beam 4 is fixed, after installation is completed, the upper and lower connection positions of the car beam 4 and the pull rod 2 are fixed through the first locking nut 3 and the second locking nut 301 respectively, the pull rod 2 can be completely fixed above the car beam 4 after fixation, and the pull rod 2 is prevented from moving up and down.
In using the car in-process, during 1 fracture of chain, the whole of dropout link gear 9 can be upwards spurted, unhook piece 902, 8 outsides of installation shell can be pulled out to unhook connecting block 901 and unhook connecting block two 904, when the whole installation shell 8 outsides of being pulled out of dropout link gear 9, thereby the connecting axle of unhook connecting block two 904 that is located the below takes place to rotate and the dropout upwards removes, during the upward movement of unhook connecting block two 904, induction plate 7 and the sensor 6 that are located unhook connecting block two 904 one side take place relative displacement, thereby can make induction plate 7 break away from sensor 6's detection range, and then sensor 6 signals, the signal reaches the controller via the wire, thereby controller control motor emergency braking plays the effect of protective apparatus.
The utility model discloses be an solitary module with its development, compare traditional broken chain and detect the process that has reduced field installation and adjustment, shortened the field operation time, simultaneously, can directly reform transform original equipment that does not install the broken chain detection additional, only need install this broken chain detection module additional on original basis can, shortened the time of installation change greatly.
The utility model discloses a chain breakage detection device, simple structure, convenient to use have solved friction between the part and have caused damage, pull rod 2 reciprocate the problem that drops appears easily, have realized effectively avoiding the friction between the part, can carry out the effect fixed to pull rod 2.
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 (5)
1. A chain breakage detection device includes a car cross member (4);
the method is characterized in that:
the car beam (4) is provided with a mounting hole at one end far away from the central position, a pull rod (2) is arranged on the inner side of the mounting hole, a chain (1) is connected above the pull rod (2), the upper part joint of the pull rod (2) and the car beam (4) is fixedly connected with one another through a locking nut I (3), the lower part joint of the pull rod (2) and the car beam (4) is fixedly connected with one another through a locking nut II (301), a mounting shell (8) is fixedly mounted in the middle of the upper part of the car beam (4), a tripping linkage mechanism (9) is arranged on one side of an internal sensor (6) of the mounting shell (8), a tension spring (5) is fixedly mounted at the tail end of the tripping linkage mechanism (9) and the bottom of the mounting shell (8), an induction sheet (7) is arranged on one side of the lower part of the tripping linkage mechanism (9), and a support rod is arranged on one side, corresponding to the tripping linkage mechanism (9), of the inside of the mounting shell (8), the sensor (6) is fixedly mounted on the supporting rod, the rigid rod (10) is fixedly mounted at the top end of the tripping linkage mechanism (9), and the tail end of the rigid rod (10) is fixedly connected with the chain (1).
2. The device according to claim 1, wherein: tripping link gear (9) include unhooking piece (902), unhooking piece (902) set up on installation shell (8), unhooking piece (902) and installation shell (8) are through unhooking connecting axle (903) interconnect, unhooking piece (902) top fixed mounting has unhooking connecting block (901), rigidity pole (10) fixed connection is on unhooking connecting block (901) top, unhooking piece (902) below fixed mounting has unhooking connecting block two (904), tension spring (5) set up in unhooking connecting block two (904) bottoms.
3. The device according to claim 1, wherein: the induction sheet (7) and the sensor (6) are positioned on the same plane.
4. The device according to claim 1, wherein: the diameter of the pull rod (2) is smaller than that of the mounting hole.
5. A chain breakage detection device according to claim 1, characterized in that: a plurality of external threads are formed in the outer side of the pull rod (2), and the external threads are in threaded connection with the inner sides of the first locking nut (3) and the second locking nut (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122761447.9U CN217059288U (en) | 2021-11-12 | 2021-11-12 | Chain breakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122761447.9U CN217059288U (en) | 2021-11-12 | 2021-11-12 | Chain breakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217059288U true CN217059288U (en) | 2022-07-26 |
Family
ID=82475474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122761447.9U Active CN217059288U (en) | 2021-11-12 | 2021-11-12 | Chain breakage detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217059288U (en) |
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2021
- 2021-11-12 CN CN202122761447.9U patent/CN217059288U/en active Active
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