CN217276864U

CN217276864U - Dynamic monitoring device for chain transmission state

Info

Publication number: CN217276864U
Application number: CN202220954273.XU
Authority: CN
Inventors: 郭贝贝; 王世荣; 王浩
Original assignee: LUOYANG LONGDA BEARING CO Ltd
Current assignee: LUOYANG LONGDA BEARING CO Ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-08-23
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses a chain drive state dynamic monitoring device, which comprises a mounting bas, be connected with the lift seat of "T" font through elevating system on the mount pad, lift seat accessible elevating system goes up and down on the mount pad, and the bottom side surface of lift seat is rotated through the pivot and is provided with the dwang, and the bottom fixed mounting of dwang has the detection head, and the bottom surface of detecting the head is the cambered surface, detects the head and is connected with the roller contact of chain when detecting. This dynamic monitoring device of chain drive state can last or monitor the drive state of chain discontinuously when chain drive, detects whether its transmission is steady to and whether transmission speed is normal, thereby the staff of being convenient for judges the in service behavior of chain, can appear wearing and tearing and the chain link is elongated, the transmission is in time master the chain situation when not hard up in the chain, and then maintains or changes the chain in advance, in order to avoid its phenomenon that appears taking off the chain or the chain is disconnected and influence transmission work.

Description

Dynamic monitoring device for chain transmission state

Technical Field

The utility model relates to a chain monitoring technology field specifically is a chain drive state dynamic monitoring device.

Background

The chain is a main part in chain transmission, and in the chain transmission, one chain wheel drives the other chain wheel to rotate through the chain, so that motion and power are transmitted. In chain transmission, after a chain is used for a long time, phenomena of chain link lengthening and chain transmission loosening can occur due to abrasion, even chain dropping or chain breaking can occur, and transmission work is seriously influenced, so that a dynamic monitoring device for the chain transmission state is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a chain drive state dynamic monitoring device, can appear wearing and tearing and the chain link becomes long, the transmission in time masters the chain situation when not hard up in the chain, and then maintains or changes the chain in advance to avoid its phenomenon that appears taking off the chain or the chain rupture and influence transmission work, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a chain drive state dynamic monitoring device, includes the mount pad, be connected with the lift seat of "T" font through elevating system on the mount pad, lift seat accessible elevating system goes up and down on the mount pad, and the bottom side surface of lift seat is rotated through the pivot and is provided with the dwang, and the bottom fixed mounting of dwang has the detection head, and the bottom surface of detecting the head is the cambered surface, detects the head and is connected with the roller contact of chain when detecting, the side surface of lift seat is close to dwang top department and installs photoelectric counter, be provided with stop device on the lift seat.

As a preferred technical scheme of the utility model, photoelectric counter is provided with two, and two photoelectric counters set up the both sides at the dwang respectively.

As a preferred technical scheme of the utility model, elevating system is including the fixed driving motor who sets up at the mount pad upper surface, the spout of "T" shape is seted up to the side surface of mount pad, slides in the spout and is provided with the slider of "T" shape, slider and lift seat fixed connection, and driving motor's output shaft penetrates in the spout and is connected with driving screw through the shaft coupling, and driving screw and the screw threaded connection that the slider side surface was seted up.

As a preferred technical scheme of the utility model, the upper surface bilateral symmetry of mount pad is fixed and is provided with two mounting panels, and the lower surface mounting of mounting panel has distance measuring sensor, the upper surface both sides of lift seat are provided with the range finding piece that corresponds with two distance measuring sensor respectively.

As a preferred technical scheme of the utility model, stop device is including fixed two limiting plates that set up at lift seat side surface both ends, the top both sides surface of dwang is provided with the block rubber that corresponds with two limiting plates respectively.

As a preferred technical scheme of the utility model, the mount pad passes through the lifter to be installed on the base, installs control panel on the base, and control panel's input is connected with external power supply's output electricity.

As a preferred technical scheme of the utility model, the lifter includes the regulation pole of dead lever and L shape, adjusts pole and mount pad fixed connection, and the upper surface of dead lever is seted up flutedly, adjusts the pole and slides in the recess and set up, just the screw with the recess intercommunication is seted up to the side surface of dead lever, and screw female connection has the adjusting bolt who is used for the fixed regulation pole.

Compared with the prior art, the beneficial effects of the utility model are that: this dynamic monitoring device of chain drive state can last or monitor the drive state of chain discontinuously when chain drive, detects whether its transmission is steady to and whether transmission speed is normal, thereby the staff of being convenient for judges the in service behavior of chain, can appear wearing and tearing and the chain link is elongated, the transmission is in time master the chain situation when not hard up in the chain, and then maintains or changes the chain in advance, in order to avoid its phenomenon that appears taking off the chain or the chain is disconnected and influence transmission work.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention installed on the lifting rod and the base;

FIG. 3 is a schematic side view of the embodiment of FIG. 2;

fig. 4 is a schematic view of the working state of the present invention.

In the figure: the device comprises a mounting base 1, a lifting mechanism 2, a driving motor 21, a driving screw 22, a sliding block 23, a sliding chute 24, a lifting base 3, a rotating rod 4, a detection head 5, a rotating shaft 6, a photoelectric counter 7, a mounting plate 8, a distance measurement block 9, a limiting plate 10, a rubber block 11, an adjusting rod 12, a fixing rod 13, an adjusting bolt 14, a base 15, a control panel 16 and a chain 17.

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 a technical solution: the utility model provides a chain drive state dynamic monitoring device, including mount pad 1, be connected with the lift seat 3 of "T" font through elevating system 2 on mount pad 1, lift seat 3 accessible elevating system 2 goes up and down on mount pad 1, the bottom side surface of lift seat 3 rotates through pivot 6 and is provided with dwang 4, the bottom fixed mounting of dwang 4 has detection head 5, the bottom surface of detecting head 5 is the cambered surface, it is connected with the roller contact of chain 17 when detecting head 5, the bottom surface of detecting head 5 is smooth, and the coating has lubricating oil when using, can reduce the frictional force with the roller, avoid wearing and tearing chain 17, play the guard action to detecting head 5 and chain 17.

The side surface of seat 3 goes up and down is close to dwang 4 top department and installs photoelectric counter 7, the preferred model of photoelectric counter 7 is E18-D80 NK's photoelectric sensor, when chain 17 transmission, its roller constantly pulls out detects head 5, make it drive dwang 4 rotate round pivot 6, the top portion of dwang 4 will constantly be at photoelectric counter 7 preceding swing from left to right, photoelectric counter 7 is through the swing count to dwang 4, can calculate the transmission speed of chain through controller (PLC controller), and judge whether the transmission of chain is steady, thereby analysis chain 17's state, the service behavior of chain is mastered in real time to the staff of being convenient for, and in time discover and corresponding processing when appearing unusually, the normal work of chain has been guaranteed.

Preferably, the lifting seat 3 is provided with a limiting device for limiting the rotating rod 4, so that the rotating rod is prevented from swinging for more than 180 degrees to form rotation when swinging greatly, and can be timely reset to be in contact with the next roller after rotating for a certain angle, and the monitoring accuracy is ensured; stop device is including fixed two limiting plates 10 that set up at 3 side surface both ends of seat that go up and down, the top both sides surface of dwang 4 is provided with the block rubber 11 that corresponds with two limiting plates 10 respectively, and block rubber 11 can reduce the vibration and play the guard action to dwang 4.

Optionally, torsion springs are disposed outside the rotating shaft 6 and inside the rotating shaft hole of the lifting seat 3, and are used for automatically resetting the rotating rod 4.

Preferably, the photoelectric counter 7 is provided with two, and two photoelectric counters 7 are respectively arranged on two sides of the rotating rod 4, and can monitor the forward transmission and the reverse transmission of the chain 17.

Preferably, the lifting mechanism 2 comprises a driving motor 21 fixedly arranged on the upper surface of the mounting base 1, a T-shaped sliding groove 24 is formed in the side surface of the mounting base 1, a T-shaped sliding block 23 is arranged in the sliding groove 24 in a sliding manner, sliding smoothness can be guaranteed by the T-shaped sliding block 23 and the sliding groove 24, the sliding block 23 is fixedly connected with the lifting base 3, an output shaft of the driving motor 21 penetrates into the sliding groove 24 and is connected with a driving screw 22 through a coupler, the driving screw 22 is in threaded connection with a screw hole formed in the side surface of the sliding block 23, namely, the driving motor 21 drives the sliding block 23 to slide in the sliding groove 24 through the driving screw 22, so that the sliding block 23 drives the lifting base 3, the rotating rod 4 and the like to ascend and descend along the sliding groove 24, and the detection head 5 is in contact with or separated from the chain 17.

Preferably, the upper surface bilateral symmetry of mount pad 1 is fixed with two mounting panels 8, and the lower surface mounting of mounting panel 8 has range finding sensor, and the preferred model of range finding sensor is GP2Y0A21YK 0F's infrared distance measuring sensor, the upper surface both sides of lift seat 3 are provided with respectively with the range finding piece 9 that two range finding sensors correspond, and range finding sensor is used for detecting the distance between mounting panel 8 and the range finding piece 9 to calculate the height that lift seat 3 goes up and down, and its lift height of automatic control through controller (PLC controller), so that the position of accurate control detection head 5.

Preferably, the mounting base 1 is mounted on the base 15 through a lifting rod, and the mounting base 1 can be lifted through the lifting rod, so that the height is adjusted, the chain monitoring device is suitable for chain monitoring at different height positions, and the universality is improved; the base 15 may be provided with fixing means such as clamps, bolts, etc. for fixing the device as a whole on a flat surface.

The base 15 is provided with a control panel 16, the input end of the control panel 16 is electrically connected with the output end of an external power supply, the control panel 16 is provided with a PLC (programmable logic controller), the preferred type of the PLC is Mitsubishi FX2N, the driving motor 21, the photoelectric counter 7, the distance measuring sensor and the like are electrically connected with the PLC and controlled by the PLC, and the method for controlling the driving motor 21, the photoelectric counter 7 and the distance measuring sensor by the PLC is a common method in the prior art.

Preferably, the lifting rod comprises a fixed rod 13 and an L-shaped adjusting rod 12, the adjusting rod 12 is fixedly connected with the mounting base 1, a groove is formed in the upper surface of the fixed rod 13, the adjusting rod 12 is arranged in the groove in a sliding mode, and the height of the mounting base 1 is adjusted through the up-and-down movement of the adjusting rod 12, so that the lifting rod is suitable for monitoring chains at different positions; the side surface of the fixed rod 13 is provided with a screw hole communicated with the groove, the screw hole is internally threaded with an adjusting bolt 14 for fixing the adjusting rod 12, and the adjusting bolt 14 is used for fixing the position of the adjusting rod 12 so as to fix the height of the mounting base 1.

The utility model discloses well used driving motor 21, photoelectric counter 7, PLC controller and range finding sensor etc. are the electronic component commonly used among the prior art, and its concrete structure and theory of operation etc. are the well-known technology, do not do detailed description here.

When a transmission chain is continuously monitored, the PLC is operated, the driving motor 21, the distance measuring sensor and the photoelectric counter 7 are started, the driving motor 21 drives the sliding block 23 to slide downwards in the sliding groove 24 through the driving screw rod 22, the sliding block 23 drives the lifting seat 3 and the rotating rod 4 to move, the detection head 5 of the rotating rod 4 moves to a position between rollers adjacent to the chain 17, in the process, the distance measuring sensor detects the distance between the top surface of the mounting seat 1 and the distance measuring block 9 and transmits a corresponding signal to the PLC, the PLC analyzes the moving distance of the lifting seat 3, namely the descending distance between the rotating rod 4 and the detection head 5, the detection head 5 can move to a position between the rollers adjacent to the chain 17, the driving motor 21 is closed, then an external driving device is started, and the driving chain wheel starts to drive the chain 17 and the driven chain wheel to rotate to perform transmission work;

when the transmission of chain 17, every roller of chain 17 can all be pulled its once through detecting head 5 at every turn, make dwang 4 rotate once, its top can shelter from photoelectric counter 7 once when the dwang rotates, photoelectric counter 7 counts once and conveys corresponding signal to the PLC controller, the PLC controller carries out the analysis and calculation with photoelectric counter 7's count in the unit time at a period of time interval, reach the transmission speed of chain 17, and carry out contrastive analysis with the threshold value of setting for, remind the staff through outside alarm etc. when the transmission speed of chain 17 surpasss the threshold value of setting for, the staff in time looks over the chain state, so that in time maintain or change, avoid its transmission work that influences the chain.

When monitoring the transmission chain intermittently, the working process is roughly the same as that when monitoring continuously, the difference lies in that the drive motor 21 is opened once every a period of time by the PLC controller, make the drive motor 21 drive the slider 23 through the drive screw 22 and upwards slide in the spout 24, the slider 23 drives the dwang 4 and detects the head 5 and upwards move through the lift seat 3, make and detect head 5 and chain 17 break away from, after the interval time that sets for, the PLC controller opens the drive motor 21 once more, the drive motor 21 drives the slider 23 through the drive screw 22 and downwards slides in the spout 24, the slider 23 drives the dwang 4 and detects the head 5 and downwards move through the lift seat 3, make and detect the head 5 and enter into between two adjacent rollers of chain 17 once more, in order to carry out intermittent monitoring.

Intermittent monitoring can reduce abrasion and the like of the chain 17, and is suitable for most dynamic monitoring of chain transmission.

The non-public part of the utility model is the prior art, and the concrete structure, the material and the working principle are not detailed. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

1. The utility model provides a chain drive state dynamic monitoring device, includes mount pad (1), its characterized in that: be connected with lift seat (3) of "T" font through elevating system (2) on mount pad (1), lift seat (3) accessible elevating system (2) goes up and down on mount pad (1), the bottom side surface of lift seat (3) is rotated through pivot (6) and is provided with dwang (4), the bottom fixed mounting of dwang (4) has detection head (5), the bottom surface that detects head (5) is the cambered surface, detects head (5) and is connected with the roller contact of chain (17) when detecting, the side surface of lift seat (3) is close to dwang (4) top department and installs photoelectric counter (7), be provided with stop device on lift seat (3).

2. A dynamic monitoring device of the state of a chain drive according to claim 1, characterized in that: the photoelectric counters (7) are arranged in two numbers, and the two photoelectric counters (7) are respectively arranged on two sides of the rotating rod (4).

3. A dynamic monitoring device of the state of a chain drive according to claim 1, characterized in that: elevating system (2) are including fixed driving motor (21) that sets up at mount pad (1) upper surface, spout (24) of "T" shape are seted up to the side surface of mount pad (1), and it is provided with slider (23) of "T" shape to slide in spout (24), slider (23) and lift seat (3) fixed connection, and the output shaft of driving motor (21) penetrates in spout (24) and is connected with driving screw (22) through the shaft coupling, and screw threaded connection that driving screw (22) and slider (23) side surface were seted up.

4. A dynamic monitoring device of chain drive condition as claimed in claim 1, characterized in that: the upper surface bilateral symmetry of mount pad (1) is fixed with two mounting panels (8), and the lower surface mounting of mounting panel (8) has range finding sensor, the upper surface both sides of lift seat (3) are provided with respectively and measure range piece (9) that correspond with two range finding sensors.

5. A dynamic monitoring device of chain drive condition as claimed in claim 1, characterized in that: the limiting device comprises two limiting plates (10) fixedly arranged at two ends of the side surface of the lifting seat (3), and rubber blocks (11) corresponding to the two limiting plates (10) are respectively arranged on the two side surfaces of the top end of the rotating rod (4).

6. A dynamic monitoring device of the state of a chain drive according to claim 1, characterized in that: the mounting seat (1) is mounted on the base (15) through the lifting rod, the control panel (16) is mounted on the base (15), and the input end of the control panel (16) is electrically connected with the output end of the external power supply.

7. A dynamic monitoring device of the state of a chain drive according to claim 6, characterized in that: the lifter includes regulation pole (12) of dead lever (13) and L shape, adjusts pole (12) and mount pad (1) fixed connection, and the upper surface of dead lever (13) is seted up flutedly, adjusts pole (12) and slides in the recess and set up, just the screw with the recess intercommunication is seted up to the side surface of dead lever (13), and screw female connection has adjusting bolt (14) that are used for fixed regulation pole (12).