CN214691834U

CN214691834U - Chain scraper conveyor chain breakage automatic detection device

Info

Publication number: CN214691834U
Application number: CN202121096811.8U
Authority: CN
Inventors: 赵劲松; 司华良; 田龙; 李明; 李辉杰; 付红星; 高良祥; 徐乙天
Original assignee: Yunnan Yuntianhua Red Phosphorus Chemical Co ltd
Current assignee: Yunnan Yuntianhua Red Phosphorus Chemical Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-11-12
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a chain scraper conveyor chain breakage automatic checkout device relates to chain scraper conveyor chain breakage detection technical field. The bottom of an installation support of the detection device is fixed above the scraper chain, a bearing fixing seat is fixed on the side wall of the top of the installation support, a bearing is fixed on the bearing fixing seat, a fixing shaft penetrates through and is fixed in the bearing, one end of the fixing shaft is provided with a detection probe rod, and the bottom of the detection probe rod is in contact with the scraper; the other end of the fixed shaft is provided with a detection metal sheet, and the side wall of the mounting bracket is provided with a proximity switch which is in signal connection with the control system. The actual state of the scraper is detected by directly contacting the detection probe rod with the scraper, so that misjudgment is avoided; the detection probe rod can reciprocate along with the movement of the scraper through the bearing fixing seat, the bearing and the fixing shaft, so that the continuous detection of the scraper is realized, and the automation degree is high; and a detection signal is obtained by detecting the circular contact of the metal sheet and the proximity switch, and is used for judging by a control system.

Description

Chain scraper conveyor chain breakage automatic detection device

Technical Field

The utility model relates to a chain scraper conveyor broken chain detection device technical field, concretely relates to chain scraper conveyor broken chain automatic checkout device.

Background

The chain scraper conveyor is an important device for conveying materials in a closed pressure filter, and is a continuous conveying device for conveying ore pulp materials by means of a moving scraper chain in an open rectangular section shell; the scraper chain is fully buried in the materials when the materials are conveyed, so the scraper chain is called a chain scraper conveyor. The device mainly comprises the following parts: the driving device mainly comprises a motor, a speed reducer, a transmission chain wheel and the like; the conveying device mainly comprises a driving chain wheel, a driven chain wheel, a scraper chain and the like. The scraper chain is formed by connecting a chain and scrapers at intervals, and the scraper chain is driven by a driving device to operate to push materials from an upper crossheading to a lower crossheading and then unload the materials. When the scraper chain loosens or is broken, if the scraper chain can not be found in time, material blockage and equipment failure are easily caused, and the start-up rate is reduced. At present, most of chain breakage detection is judged by a manual method, or is overhauled during routine maintenance, the former excessively depends on operation experience, the latter is difficult to find the chain breakage condition in the operation process, and the detection accuracy rate and the efficiency are low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chain scraper conveyor chain breakage automatic checkout device, rely on operating personnel experience among the solution prior art, have the problem that the detection rate of accuracy is low efficiency.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a chain scraper conveyor chain breakage automatic checkout device which characterized in that: the detection device comprises a mounting bracket, a bearing fixing seat, a bearing, a fixing shaft, a detection metal sheet, a detection probe rod, a proximity switch and a control system, wherein the bottom of the mounting bracket is fixed above a scraper chain; the other end of the fixed shaft is provided with a detection metal sheet, the side wall of the mounting bracket is provided with a proximity switch, the detection metal sheet is adapted to the proximity switch, and the proximity switch is in signal connection with the control system.

The detection probe rod further comprises a connecting rod and a flexible chain, the fixing shaft is provided with a positioning hole, one end of the connecting rod penetrates through the positioning hole and is fixed through a nut, the other end of the connecting rod is fixed with the flexible chain, and the free end of the flexible chain is in contact with the scraper.

The bearing fixing seat is characterized by further comprising a bottom plate and a support plate which are perpendicular to each other, the bottom plate is fixed on the side wall of the top of the mounting support, the support plate is provided with a bearing fixing hole, the upper portion of the bearing fixing hole is divided into adjusting walls which are oppositely arranged by an adjusting groove, and the adjusting walls are fixedly connected through an adjusting bolt.

The detection metal sheet is in a straight plate shape, and the end part of the detection metal sheet is fixed at the end part of one end of the fixed shaft through a fastening bolt.

A further technical scheme is that the mounting bracket is composed of a horizontal rod and a vertical rod which are perpendicular to each other, the horizontal rod is welded right above the scraper chain, one side wall of the top of the vertical rod is fixedly connected with the bottom plate, a proximity switch is fixed on the other side wall of the top of the vertical rod, and the free end of the detection metal sheet is parallel to the end part of the proximity switch.

A further technical proposal is that a reinforcing rod is arranged between the horizontal rod and the vertical rod.

The working principle is as follows: when the device is used, one end of the mounting bracket is welded or fixed on a corresponding machine body beside the scraper chain by a fastener, and the verticality of the detection probe rod is adjusted, so that the detection probe rod is vertical to the scraper and the end part of the detection probe rod is in contact with the scraper. Treat chain scraper conveyor and start the back, scrape the scraper chain and take the material forward motion, detect the probe rod and follow forward, detect the probe rod and rotate round the fixed axle, synchronous detection sheetmetal is also along with rotating, detects the sheetmetal until proximity switch detects, gives corresponding signal and gives control system. The scraper chain moves forward again, the detection probe rod is separated from the scraper, and the detection probe rod is restored to the vertical position under the action of gravity until the detection probe rod is contacted with the next scraper again, and the process is circulated. The proximity switch detects that the time interval between the two scrapers is basically consistent, when the time interval is exceeded, the chain breakage of the chain type scraper conveyor is judged, and the control system sends out an alarm or a stop command.

Compared with the prior art, the beneficial effects of the utility model are that: the chain breakage automatic detection device of the chain scraper conveyor is simple in structure and convenient to operate, the actual state of the scraper is detected by directly contacting the detection probe rod with the scraper, and misjudgment is avoided; the detection probe rod can reciprocate along with the movement of the scraper through the bearing fixing seat, the bearing and the fixing shaft, so that the continuous detection of the scraper is realized, and the automation degree is high; detecting the cyclic contact between the metal sheet and the proximity switch to obtain a detection signal for the control system to judge; the detection device is fixed on the shell of the chain type scraper conveyor through the mounting bracket, so that the detection device is convenient to mount, low in cost and wide in application range.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an installation schematic diagram of the detection probe of the present invention.

Fig. 3 is a schematic structural view of the middle bearing fixing seat of the present invention.

Fig. 4 is a schematic structural view of the middle mounting bracket of the present invention.

In the figure: 1-mounting bracket, 101-horizontal rod, 102-vertical rod, 103-reinforcing rod, 2-bearing fixing seat, 201-bottom plate, 202-supporting plate, 203-bearing fixing hole, 204-adjusting groove, 205-adjusting wall, 3-bearing, 4-fixing shaft, 401-positioning hole, 5-detecting metal sheet, 6-detecting probe rod, 601-connecting rod, 602-flexible chain, 7-proximity switch, 8-nut and 9-fastening bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Examples

Fig. 1 shows an automatic chain breakage detection device for a chain scraper conveyor, which comprises a mounting bracket 1, a bearing fixing seat 2, a bearing 3, a fixing shaft 4, a detection metal sheet 5, a detection probe rod 6, a proximity switch 7 and a control system.

As shown in fig. 4, the mounting bracket 1 is composed of a horizontal bar 101 and a vertical bar 102 perpendicular to each other, and a reinforcing bar 103 is provided between the horizontal bar 101 and the vertical bar 102.

As shown in fig. 3, the bearing fixing seat 2 is composed of a bottom plate 201 and a support plate 202 which are perpendicular to each other, and the bottom plate 201 is provided with a circular hole and fixed on the side wall of the top of the vertical rod 102 through a fastening screw. The support plate 202 is provided with a bearing fixing hole 203, the upper part of the bearing fixing hole 203 is divided into opposite adjusting walls 205 by an adjusting groove 204, and the adjusting walls 205 are fixedly connected through adjusting bolts.

As shown in fig. 2, the detection probe 6 includes a connecting rod 601 and a flexible chain 602, the fixed shaft 4 is provided with a positioning hole 401, one end of the connecting rod 601 passes through the positioning hole 401 and is fixed to the fixed shaft 4 through an upper nut and a lower nut 8, the other end of the connecting rod 601 is fixed to the flexible chain 602, the free end of the flexible chain 602 contacts with the scraper, and the contact length of the flexible chain 602 with the scraper is 5cm in a vertical state.

During installation, the bearing 3 is fixed in the bearing fixing hole 203 of the bearing fixing seat 2, and then the adjusting bolt is screwed down to enable the adjusting wall 205 to approach and the distance of the adjusting groove 204 to be reduced until the bearing 3 is fixed in the bearing fixing seat 2. The fixed shaft 4 is then passed through the bearing 3 and fixed in the bearing 3. The connecting rod 601 passes through the positioning hole 401 and is fixed by the upper nut 8 and the lower nut 8. The end part of the straight plate-shaped detection metal sheet 5 is fixed at one end part of the re-fixing shaft 4 through a fastening bolt 9, and the end face of the fixing shaft 4 is provided with a threaded counter bore. The bearing fixing base 2 is fixed on the side wall of the top of the vertical rod 102. A proximity switch 7 is installed on the side wall of the vertical rod 102 on the side where the detection metal sheet 5 is located, and when the fixed shaft 4 rotates by about 45 degrees, the proximity switch 7 can detect the detection metal sheet 5 and transmit the detected signal to the control system.

When the device is used, one end of the horizontal rod 101 is welded or fixed on a corresponding machine body beside the scraper chain through a fastening piece, the detection probe rod 6 is perpendicular to the scraper by adjusting the fixing shaft 4, the detection probe rod 6 is contacted with the scraper by adjusting the positions of the upper nut 8 and the lower nut 8, and the contact length of the flexible chain 602 is reserved by 5 cm. Treat chain scraper conveyor and start the back, the scraper chain takes the material to move forward, and flexible chain 602 follows forward, and connecting rod 601 rotates around fixed axle 4, and synchronous detection sheetmetal 5 is also along with rotating, and until proximity switch 7 detects detection sheetmetal 5, give corresponding signal and give control system. The scraper chain moves forward again, the detection probe 6 is separated from the scraper and returns to the vertical position under the action of gravity until the detection probe contacts the next scraper again and the process is circulated. The proximity switch 7 detects that the time intervals between the two scrapers are basically consistent, when the time intervals exceed the time intervals, the chain breakage of the chain type scraper conveyor is judged, and the control system sends out an alarm or a stop command.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More particularly, various variations and modifications are possible in the component parts and/or arrangements within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a chain scraper conveyor chain breakage automatic checkout device which characterized in that: the scraper chain scraper detection device comprises a mounting support (1), a bearing fixing seat (2), a bearing (3), a fixing shaft (4), a detection metal sheet (5), a detection probe rod (6), a proximity switch (7) and a control system, wherein the bottom of the mounting support (1) is fixed above a scraper chain, the bearing fixing seat (2) is fixed on the side wall of the top of the mounting support (1), the bearing (3) is fixed on the bearing fixing seat (2), the fixing shaft (4) is fixedly penetrated in the bearing (3), the detection probe rod (6) is arranged at one end of the fixing shaft (4), and the bottom of the detection probe rod (6) is in contact with the scraper; the other end of the fixed shaft (4) is provided with a detection metal sheet (5), the side wall of the mounting bracket (1) is provided with a proximity switch (7), the detection metal sheet (5) is adapted to the proximity switch (7), and the proximity switch (7) is in signal connection with a control system.

2. The chain breakage automatic detection device of the chain scraper conveyor as claimed in claim 1, wherein: the detection probe rod (6) comprises a connecting rod (601) and a flexible chain (602), the fixing shaft (4) is provided with a positioning hole (401), one end of the connecting rod (601) penetrates through the positioning hole (401) and is fixed through a nut (8), the other end of the connecting rod (601) is fixed with the flexible chain (602), and the free end of the flexible chain (602) is in contact with the scraper.

3. The chain breakage automatic detection device of the chain scraper conveyor as claimed in claim 1, wherein: the bearing fixing seat (2) is composed of a bottom plate (201) and a support plate (202) which are perpendicular to each other, the bottom plate (201) is fixed on the side wall of the top of the mounting support (1), a bearing fixing hole (203) is formed in the support plate (202), an adjusting wall (205) which is arranged oppositely is divided into by an adjusting groove (204) above the bearing fixing hole (203), and the adjusting wall (205) is fixedly connected through an adjusting bolt.

4. The chain breakage automatic detection device of the chain scraper conveyor as claimed in claim 3, wherein: the detection metal sheet (5) is in a straight plate shape, and the end part of the detection metal sheet is fixed at the end part of one end of the fixed shaft (4) through a fastening bolt (9).

5. The chain breakage automatic detection device of the chain scraper conveyor as claimed in claim 4, wherein: the mounting bracket (1) is composed of a horizontal rod (101) and a vertical rod (102) which are perpendicular to each other, the horizontal rod (101) is welded right above the scraper chain, one side wall of the top of the vertical rod (102) is fixedly connected with the bottom plate (201), a proximity switch (7) is fixed on the other side wall of the top of the vertical rod (102), and the free end of the detection metal sheet (5) is parallel to the end part of the proximity switch (7).

6. The chain breakage automatic detection device of the chain scraper conveyor as claimed in claim 5, wherein: and a reinforcing rod (103) is arranged between the horizontal rod (101) and the vertical rod (102).