CN217774385U

CN217774385U - Laser device for detecting wear of broken lining plate of jaw

Info

Publication number: CN217774385U
Application number: CN202220922050.5U
Authority: CN
Inventors: 刘跃庆; 曾栋材
Original assignee: Nanchang Mineral Systems Group Co Ltd
Current assignee: Nanchang Mineral Systems Group Co Ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-11-11
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a laser detection jaw breaks welt wear and tear device, including the side cheek board that constitutes the jaw breaker the inboard of side cheek board is installed respectively and is decided jaw and movable jaw, decide the jaw and all install the jaw with the opposite medial surface department of movable jaw, the medial surface of side cheek board still is provided with detection assembly, and this detection assembly is by the mounting box, set up the coupling mechanism at the mounting box rear surface for realize with the installation and the angle modulation of curb plate cheek board, and set up the detection mechanism in the mounting box and constitute, wherein detection mechanism is including installing data processor and the laser sensor in the mounting box inside; through the laser sensor who designs, can remote measurement jaw breaker's jaw wearing and tearing, reduced the potential safety hazard that personnel detected the existence, improved the detection precision of jaw wearing and tearing moreover, timely warning and the output of trouble statement can be more accurate avoid the emergence of accident loss.

Description

Laser device for detecting wear of broken lining plate of jaw

Technical Field

The utility model belongs to the technical field of the broken welt of jaw, concretely relates to laser detects broken welt wear device of jaw.

Background

The jaw crusher is used in metallurgical mine, building material, water conservancy and other foundation construction industry, and is one primary crusher with jaw plate easy to wear and change material outlet. The jaw crusher has the characteristics of large feeding granularity, high yield, large crushing ratio and the like, is suitable for crushing various ores and rocks in the industries of mines, hydropower, traffic, buildings and the like, and is widely used for coarse crushing operation of ore dressing plants and stone plants.

When a jaw crusher crushes ores or rocks, the working principle of the jaw crusher is extrusion crushing, the jaw crusher structurally comprises a movable jaw, a fixed jaw and an adjusting structure, a deep cavity type symmetrical crushing cavity is formed between the movable jaw and the fixed jaw, and a biting force is formed between the movable jaw and the fixed jaw through the complicated swinging motion of the movable jaw hung on an eccentric shaft, so that the purpose of crushing materials is achieved.

The existing jaw crusher jaw plate abrasion detection technology is to prepare a measuring block, after a jaw crusher stops, the measuring block is hung by a rope and is vertically placed into a crushing cavity of the jaw crusher right above a feed inlet of the jaw crusher, the degree of the jaw plate which can be measured by observing the measuring block can be expressed by the degree of a discharge outlet, or the abrasion condition of the jaw plate is directly measured by using a measuring tape without using the indirect measuring mode, the measuring mode which directly or indirectly observes and measures the abrasion of the jaw plate by field personnel has certain danger, certain potential safety hazards exist for the measuring personnel, the measuring precision is not accurate enough, and the jaw plate can not be prompted to be abraded by providing accurate and effective information.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laser detects broken welt wear device of jaw to the detection of the current bin outlet that proposes in solving above-mentioned background art is artifical measuring method under the condition of breaker stop work, and this kind of measurement is wasted time and energy, influences production efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a broken welt wear device of laser detection jaw, is including the side cheek board that constitutes jaw breaker the inboard of side cheek board is installed respectively and is decided the jaw and move the jaw decide the jaw and move the opposition medial surface department of jaw and all install the jaw, the medial surface of side cheek still is provided with determine module, and this determine module is by the mounting box, set up the coupling mechanism at the mounting box rear surface for realize with the installation and the angle modulation of curb plate cheek, and set up and constitute at the inside detection mechanism of mounting box, wherein detection mechanism is including installing data processor and the laser sensor inside at the mounting box, measures jaw thickness through laser sensor, laser sensor passes through the cable with data processor and is connected, the bottom of mounting box is the slope form to set up the hole that supplies laser sensor transmitting terminal to run through in this slope form department.

Preferably, coupling mechanism includes that the symmetry fixes the mounting panel of terminal surface department about the mounting box, has inserted the spliced pole in the mounting panel of bottom position, the bottom of spliced pole is provided with magnetic path A for the magnetism is connected, magnetic path A is connected with side cheek magnetism the surface of spliced pole still overlaps and is equipped with the separation pad, the separation pad is in between magnetic path A and the mounting panel, reduces the magnetism of magnetic path A and mounting panel and is connected, makes things convenient for the rotation in later stage, the top of spliced pole still overlaps and is equipped with the stop collar the surface of spliced pole still is formed with spacing arch, spacing arch offsets with the inner wall of stop collar.

Preferably, a connecting column penetrates through the mounting plate at the top, a magnetic block B is arranged at the bottom end of the connecting column and used for magnetic connection and limiting, the diameter of the magnetic block B is equal to that of the connecting column, and the magnetic block B is magnetically connected with the side cheek plate.

Preferably, the longitudinal section of the limiting protrusion is of a triangular structure and used for limiting, and the maximum width of the limiting protrusion is larger than the inner diameter of the limiting sleeve.

Preferably, the motor is further arranged outside the side cheek plate, and the motor is connected with the movable jaw part through a support rod, so that stability is guaranteed.

Preferably, the fixed jaw part and the movable jaw part are arranged in an inclined shape, the distance between the fixed jaw part and the movable jaw part is gradually decreased from top to bottom, so that crushing processing is realized, and the inclination angles of the two jaw plates are respectively equal to that of the fixed jaw part and that of the movable jaw part.

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

1. the designed laser sensor can remotely measure the wear of the jaw plate of the jaw crusher, reduces potential safety hazards in personnel detection, improves the detection precision of the wear of the jaw plate, can more accurately avoid accident loss due to timely alarm and fault report output, and can more clearly reflect the service life of the jaw plate through timed data detection;

2. through the coupling mechanism who designs, can in use, accomplish the regulation to the mounting box angle fast to the realization is to the regulation of laser sensor angle, and it is very convenient to operate, has saved installation and debugging's time.

Drawings

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

fig. 2 is an internal cross-sectional view of the mounting box of the present invention;

FIG. 3 is a cross-sectional view of the connection between the stop collar and the connecting post;

FIG. 4 is a cross-sectional view of the magnetic block B and the connecting post;

fig. 5 is a logic diagram of the program of the present invention.

In the figure: 1. a side cheek plate; 2. a jaw fixing part; 3. a laser sensor; 4. a movable jaw part; 5. a motor; 6. a data processor; 7. mounting a box; 8. a jaw plate; 9. mounting a plate; 10. a limiting sleeve; 11. a limiting bulge; 12. a magnetic block A; 13. a separation pad; 14. a magnetic block B; 15. connecting columns.

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.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a laser detection jaw breaks welt wear device, including the side cheek 1 of constituteing jaw breaker, install respectively at the inboard of side cheek 1 and decide jaw 2 and move jaw 4, decide jaw 2 and move jaw 4's opposition medial surface department and all install jaw 8, the medial surface of side cheek 1 still is provided with determine module, this determine module is by mounting box 7, the coupling mechanism of setting at mounting box 7 rear surface, and the setting is constituteed at the inside detection mechanism of mounting box 7, wherein detection mechanism is including installing data processor 6 and the laser sensor 3 inside mounting box 7, laser sensor 3 through the design, can remote measurement jaw 8 wearing and tearing of jaw breaker, the potential safety hazard that personnel detected the existence has been reduced, and the detection precision of 8 wearing and tearing of jaw has been improved, timely warning and the emergence of the output of trouble statement can be more accurate avoid accident loss, the life of 8 that the more clear data detection of regular data detection, laser sensor 3 reflects with data processor 6 through the cable, the bottom of mounting box 7 is the form, and set up the laser emission end that supplies the slope form to run through the sensor in this jaw 3 department.

In this embodiment, preferably, the connecting mechanism includes mounting plates 9 symmetrically fixed on the upper and lower end surfaces of the mounting box 7, the connecting mechanism is designed, and when the connecting mechanism is used, the adjustment of the angle of the mounting box 7 can be completed quickly, so as to adjust the angle of the laser sensor, the operation is very convenient, the time for installation and debugging is saved, a connecting column 15 is inserted into the mounting plate 9 in the bottom position, a magnetic block a12 is arranged at the bottom end of the connecting column 15, the magnetic block a12 is magnetically connected with a side cheek 1, a separation pad 13 is further sleeved on the surface of the connecting column 15, the separation pad 13 is located between the magnetic block a12 and the mounting plate 9, in the installation, the magnetic block a12 is firstly magnetically connected with the side cheek 1, the mounting box 7 is rotated on the connecting column 15 through the mounting plate 9 at the bottom, the magnetism can be reduced due to the arrangement of the separation pad 13, the purpose of convenient rotation is achieved, a limit sleeve 10 is further arranged on the top of the connecting column 15, after the connecting column is rotated to a proper angle, the limit sleeve 10 moves towards the direction of the limit boss 11, and the limit sleeve is abutted against the inner wall of the limit sleeve 10, and the limit sleeve is further formed on the surface of the mounting plate 9 at the connecting column 15.

In this embodiment, preferably, the connecting column 15 penetrates through the mounting plate 9 at the top position, after the mounting box 7 is angularly adjusted around the connecting column 15, the connecting column 15 is inserted into the mounting plate 9 at the top position to achieve limiting mounting, the magnetic block B14 is arranged at the bottom end of the connecting column 15, the diameter of the magnetic block B14 is equal to that of the connecting column 15, and the magnetic block B14 is magnetically connected with the side cheek plate 1.

In this embodiment, preferably, the longitudinal section of the limiting protrusion 11 is a triangular structure, and the maximum width of the limiting protrusion 11 is greater than the inner diameter of the limiting sleeve 10.

In this embodiment, preferably, a motor 5 is further provided outside the side cheek 1, and the motor 5 is connected to the movable jaw 4 through a strut.

In this embodiment, preferably, the fixed jaw portion 2 and the movable jaw portion 4 are disposed in an inclined shape, and the distance between the fixed jaw portion 2 and the movable jaw portion 4 decreases from top to bottom, so that the processing is facilitated, and the inclination angles of the two jaw plates 8 are equal to the fixed jaw portion 2 and the movable jaw portion 4, respectively

The utility model discloses a theory of operation and use flow: according to the actual working conditions and the stress analysis of the jaw plates 8, the most serious wear of the jaw plates 8 close to 2/3 of the position when the jaw plates 8 are used for crushing can be analyzed, so that the thickness of the jaw plates 8 is firstly considered to be measured when a sensor for detecting the thickness is installed, the wear of the jaw plates 8 directly influences the crushing efficiency of the material, the crushed produced material cannot reach the qualified standard particle size, the working condition of the jaw plate 8 surface in direct contact with the material is too severe, the accuracy of the sensor is influenced, and the sensor is easily damaged, so the sensor is installed at the position above a cheek plate on the side of the equipment, the sensor used in consideration of the problems of the position and the working condition is selected from a laser sensor 3, the laser sensor 3 can emit laser to the wear surface of the jaw plate 8 to be detected to measure the displacement of a laser irradiation point, the wear condition of the jaw plates 8 to be detected can be obtained by continuously scanning the jaw plates 8 to be detected, and then a data processor and a PLC or a data acquisition module are combined to carry out software analysis to obtain the wear condition of the measured wear condition of the jaw plates 8 of the sensor, the wear surface of the roller mill, and the wear condition of the roller mill is usually used for detecting the jaw plates 8 of the roller mill, and is suitable for detecting the jaw plates 8 of the roller;

in practical use, during the no-load operation period of the jaw crusher, namely the running state of uncrushed materials, the PLC remotely controls the laser displacement sensor to work according to a set program, the laser sensor 3 can emit laser to a set laser scanning position and continues for a period of time, and data scanned by the laser is sent to the PLC or a data acquisition module for software analysis and processing after processing signals by the data processor; the collected data is analyzed and arranged, and then the data is displayed by a PLC (programmable logic controller) or a field industrial personal computer, wherein the data comprises the abrasion conditions of the two jaw plates 8, the service lives of the jaw plates 8, whether the laser sensor 3 works normally and the like; real time monitoring jaw 8's the wearing and tearing condition will report to the police under the condition of wearing and tearing to a certain degree and remind the size of adjusting the bin outlet and the action of changing jaw 8 and output the statement, then there are three kinds of conditions when laser sensor 3 can't export normal effectual data: when the laser sensor 3 breaks down, the laser detection hole is blocked by dust or the jaw plate 8 loosens, the data cannot be measured, the later shows that the jaw plate 8 loosens, the loosening of the jaw plate 8 can cause damage to a host, and the fault alarm output report can remind the host of handling the hidden danger to avoid serious loss; the PLC controls the laser sensor 3 to detect the abrasion program description of the jaw plate 8: the minimum current X1 of a motor when the tested equipment runs with materials is input in advance, the measured actual current information X is judged, if the actual current X is larger than or equal to the minimum current X1 with materials, the equipment is in a state of trial run with materials, the laser sensor 3 cannot scan and measure the jaw plate 8, and the detection is not carried out at this moment; if the actual current X is smaller than the minimum current X1 of the strip material, the device is in a no-load running state, the laser sensor 3 can scan and measure the jaw plate 8 at the moment, in order to enable the measured data to be accurate, the measuring time lasts for at least 10s each time, the measured data is processed and analyzed to finally obtain the wear condition of the jaw plate 8, and the result is displayed; the data processing logic: because the movable jaw always swings in an elliptical track when the device is in no-load test run, displacement change data acquired by the laser sensor 3 should be a section of continuous regular fluctuation data, the abrasion condition of the jaw plate 8 needs to be analyzed and compared, and the displacement change value of the same point needs to be compared, so that the maximum value of the measured data needs to be taken for comparison, the abrasion condition of the jaw plate 8 can be judged by comparing the maximum values of the two measurement results of the jaw plate 8, and the abrasion condition result is more accurately analyzed through accumulation judgment of a large amount of data; the size of an actual discharge port can be calculated according to the abrasion condition of the jaw plate 8, the size of the discharge port of the crusher is adjusted according to a detection result, and the crushed particle size of the material is ensured to be within a qualified standard particle size range.

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 broken welt wear device of laser detection jaw, is including the side cheek (1) that constitutes jaw breaker, the inboard of side cheek (1) is installed respectively and is decided jaw (2) and move jaw (4), decide jaw (2) and move jaw (4) the opposition medial surface department all installs jaw (8), its characterized in that: the medial surface of side cheek (1) still is provided with determine module, and this determine module is by mounting box (7), the coupling mechanism of setting at mounting box (7) rear surface to and the determination mechanism who sets up in mounting box (7) inside constitutes, and wherein determine mechanism is including installing data processor (6) and laser sensor (3) inside mounting box (7), laser sensor (3) pass through the cable with data processor (6) and are connected, the bottom of mounting box (7) is the slope form, and offers the hole that supplies laser sensor (3) transmitting terminal to run through in this slope form department.

2. The laser detectable jaw lining wear device of claim 1, wherein: coupling mechanism fixes mounting panel (9) of terminal surface department about mounting box (7) including the symmetry, has inserted spliced pole (15) in mounting panel (9) that are in the bottom position, the bottom of spliced pole (15) is provided with magnetic path A (12), magnetic path A (12) are connected with side cheek (1) magnetism the surface of spliced pole (15) still overlaps and is equipped with divider pad (13), divider pad (13) are in between magnetic path A (12) and mounting panel (9), the top of spliced pole (15) still overlaps and is equipped with stop collar (10) the surface of spliced pole (15) still is formed with spacing arch (11), the inner wall of spacing arch (11) and stop collar (10) offsets.

3. The apparatus of claim 2, wherein the apparatus further comprises: a connecting column (15) also penetrates through the mounting plate (9) at the top position, a magnetic block B (14) is arranged at the bottom end of the connecting column (15), the diameter of the magnetic block B (14) is equal to that of the connecting column (15), and the magnetic block B (14) is in magnetic connection with the side cheek plate (1).

4. The laser detectable jaw lining wear device of claim 2, wherein: the longitudinal section of the limiting protrusion (11) is of a triangular structure, and the maximum width of the limiting protrusion (11) is larger than the inner diameter of the limiting sleeve (10).

5. The laser detectable jaw lining wear device of claim 1, wherein: the side cheek plate (1) is also provided with a motor (5) outside, and the motor (5) is connected with the movable jaw part (4) through a support rod.

6. The laser detectable jaw lining wear device of claim 1, wherein: the fixed jaw part (2) and the movable jaw part (4) are arranged in an inclined shape, the distance between the fixed jaw part and the movable jaw part is gradually decreased from top to bottom, and the inclined angles of the two jaw plates (8) are respectively equal to the fixed jaw part (2) and the movable jaw part (4).