CN217845344U

CN217845344U - Precise automatic detection device of magnetostrictive liquid level meter

Info

Publication number: CN217845344U
Application number: CN202222210264.2U
Authority: CN
Inventors: 王达
Original assignee: Weifang Tongda Instrument Co ltd
Current assignee: Weifang Tongda Instrument Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-11-18
Anticipated expiration: 2032-08-22

Abstract

The utility model relates to the technical field of magnetostrictive liquid level meter detection, in particular to a precise automatic detection device of a magnetostrictive liquid level meter, which adopts horizontal installation and disassembly to convert vertical detection, reduces detection errors and improves working efficiency; comprises a frame, a detection plate, two grating heads and two gratings; still include the control box, push away the jar, lower grip block, go up the grip block, slip table and moving mechanism, the control box is installed on the frame, the one end of pick-up plate rotates with the one end of frame to be connected, push away the both ends of jar and rotate and connect frame and pick-up plate, moving mechanism installs on the pick-up plate, lower grip block and slip table are installed on moving mechanism, it installs on the pick-up plate to go up the grip block, the slip table is located down between grip block and the last grip block, two grating heads are installed on the slip table, two grating parallel mount are on the pick-up plate, the photoelectric head of two grating heads aligns with two gratings respectively, install the subassembly of stirring of a plurality of floats on the slip table.

Description

Precise automatic detection device of magnetostrictive liquid level meter

Technical Field

The utility model relates to a technical field that the magnetostrictive liquid level meter detected especially relates to a precise automatic checkout device of magnetostrictive liquid level meter.

Background

The magnetostrictive liquid level meter is used for liquid level measurement of storage tanks in the industries of petroleum, chemical engineering, medicine, food and the like and consists of a meter head, a detection rod and a floater, wherein during measurement, a circuit unit in the meter head generates current pulse which is transmitted downwards along a magnetostrictive line in the detection rod and generates an annular magnetic field, the floater which is externally matched with the detection rod moves up and down along the detection rod along with the change of the liquid level, a permanent magnet is arranged in the floater and can generate a magnetic field, when the current magnetic field meets the magnetic field of the floater, a 'distorted' pulse is generated, the time difference between the pulse and the current pulse is converted into a pulse signal, so that the actual position of the floater is calculated, the liquid level is measured, and the magnetostrictive liquid level meter needs to be detected after being produced so as to determine whether the magnetostrictive liquid level meter reaches the designed precision or not, the existing detecting device of the magnetostrictive liquid level meter mainly comprises a horizontal type detecting device and a vertical type detecting device, wherein the two detecting devices are both provided with a standard ruler with high precision, a floater is moved along the standard ruler, the displacement of the floater measured by the standard ruler is compared with the displacement detected by a gauge outfit, the difference value between the two displacements can be judged to be qualified within a certain range, in order to not interfere the movement of the floater, a lifting frame of a detecting rod is inconvenient to be arranged on the detecting device, because the length of the detecting rod of the magnetostrictive liquid level meter is very long, when the horizontal type detecting device is used, the detecting rod is naturally bent under the action of gravity, the detected error is larger, when the vertical type detecting device is used, because the length of the working detecting rod is very long, personnel needs to ascend to install and dismantle the magnetostrictive liquid level meter, certain danger exists, the installing and the dismantling are inconvenient, the consumed time is longer, resulting in a reduction in work efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an adopt horizontal installation and dismantlement, the vertical detection of conversion reduces detection error, improves work efficiency's magnetostrictive liquid level meter's accurate automatic checkout device.

The utility model discloses a precise automatic detection device of a magnetostrictive liquid level meter, which comprises a frame, a detection plate, two grating heads and two gratings; the device comprises a frame, a control box, a push cylinder, a lower clamping plate, an upper clamping plate, a sliding table and a moving mechanism, wherein the control box is installed on the side wall of the frame, one end of the detection plate is rotatably connected with one end of the frame, one end of the push cylinder is rotatably connected with a middle cross beam of the frame, the other end of the push cylinder is rotatably connected with the lower end face of the detection plate, the moving mechanism is installed on the upper end face of the detection plate, the lower clamping plate is installed on the moving mechanism, a plurality of lower clamping components for detecting rod ends are installed on the lower clamping plate, the upper clamping plate is installed on the detection plate, a plurality of upper clamping components for gauge heads are installed on the upper clamping plate, the sliding table is installed on the moving mechanism, the sliding table is located between the lower clamping plate and the upper clamping plate, two grating heads are bilaterally and symmetrically installed on the sliding table, the two gratings are parallelly and symmetrically installed on the upper end face of the detection plate, the photoelectric heads of the two grating heads are respectively aligned with the two gratings, a plurality of floater shifting components are installed on the sliding table, the controller for the moving mechanism and the two grating heads is arranged inside the control box, and a display and a plurality of buttons are arranged outside the control box; when the detection is started, the detection plate is horizontally placed on the frame, the bottom ends of the detection rods of a plurality of magnetostrictive liquid level meters with the same specification are respectively clamped on a plurality of lower clamping components of a lower clamping plate, the heads of the magnetostrictive liquid level meters are respectively clamped on a plurality of upper clamping components of an upper clamping plate, the heads are electrically connected with the control box, the moving mechanism is operated to move the sliding table, a plurality of toggle components on the sliding table are respectively contacted with a plurality of floaters, the push cylinder is operated to extend, the push cylinder extends to turn over and erect the detection plate, the detection plate is in a vertical state, the sliding table is operated by a button on the control box to move up and down by the moving mechanism, the sliding table synchronously moves the floaters for a distance along the detection rods by the toggle components, meanwhile, the two grating heads move for a distance relative to the two gratings, the distance measured by the two grating heads and the two gratings in a matched mode is used as standard data, the measurement data detected by the detection rods and the floaters in a matched mode is sent to the control box by the heads, the standard data and the measurement data are automatically calculated and the difference of the detection of the horizontal type, the high detection efficiency and the high detection accuracy of the detection of the vertical type detection is realized, and the high detection error detection.

Preferably, the moving mechanism comprises two sliding rails, a screw rod, a stepping motor and a plurality of sliding blocks, the two sliding rails are arranged on the upper end surface of the detection plate in parallel, the lower clamping plate and the sliding table are respectively arranged on the two sliding rails in a sliding manner through the plurality of sliding blocks, the front end and the rear end of the screw rod are respectively connected with the detection plate in a rotating manner through a vertical plate, the screw rod is connected with the sliding table in a transmission manner through a screw rod nut, the stepping motor is arranged on one vertical plate of the screw rod, and an output shaft of the stepping motor is connected with the screw rod in a concentric transmission manner; step motor drive lead screw rotates, and the lead screw passes through screw-nut and drives the slip table and remove along two slide rails through a plurality of sliders for a plurality of subassemblies of stirring on the slip table are stirred a plurality of floats in automatic synchronization and are removed along a plurality of gauge rods, make two relative grating of two grating heads remove simultaneously, realize automated inspection, improve equipment's practicality.

Preferably, the lower clamping assembly comprises a supporting block, a lower screw rod and a lower pressing block, the supporting block is installed on the lower clamping plate, a V-shaped supporting groove and a threaded support are arranged on the upper end face of the supporting block, the middle of the lower screw rod is rotatably screwed on the threaded support on the supporting block, the lower end of the lower screw rod is rotatably provided with the lower pressing block, the lower pressing block is aligned with the V-shaped supporting groove of the supporting block, and the upper end of the lower screw rod is provided with a hand wheel; the fixed magnetostrictive level timing of installation, place the bottom of the detecting rod of magnetostrictive level gauge on the V-arrangement of tray holds in the palm the groove, remove the slip table along two slide rails for the lateral wall of the threaded support of tray supports the bottom of detecting rod, rotate the lower screw rod, the lower screw rod promotes briquetting and descends down, make the briquetting compress tightly the bottom of detecting rod on the V-arrangement of tray holds in the palm the groove, realize quick installation and the dismantlement of detecting rod bottom, can also adapt to the detecting rod of multiple diameter.

Preferably, the clamping device further comprises two locking bolts, the two locking bolts are rotatably screwed on the lower clamping plate, and the lower ends of the two locking bolts are respectively contacted with the two sliding rails; the lower clamping plate is moved along the two slide rails, and the lower clamping plate is locked on the two slide rails by screwing the two locking bolts, so that the magnetostrictive liquid level meters with different length specifications can be loaded on the device.

Preferably, the upper clamping assembly comprises a pressing rod, a plurality of upper screw rods, a plurality of upper pressing blocks and a bolt, a plurality of V-shaped grooves are formed in the upper end face of the upper clamping plate, one end of the pressing rod is rotatably connected with one end of the upper clamping plate, the middle parts of the plurality of upper screw rods are rotatably screwed on the pressing rod, the lower ends of the plurality of upper screw rods are rotatably provided with the upper pressing blocks, the plurality of upper pressing blocks are respectively aligned with the plurality of V-shaped grooves of the upper clamping plate, and the other end of the pressing rod is inserted into the other end of the upper clamping plate through the bolt; the fixed magnetostrictive liquid level timing of installation places the screw rod of the gauge outfit lower part of magnetostrictive liquid level meter in the V-arrangement groove of last grip block, will, the depression bar lock is on last grip block, uses the bolt to fix the one end of depression bar and last grip block cartridge, rotates a plurality of last screw rods for a plurality of briquetting compress tightly the gauge outfit screw rod of magnetostrictive liquid level meter in the V-arrangement groove of last grip block, realize quick installation and the dismantlement of gauge outfit.

Preferably, the shifting assembly comprises a sliding pipe, a shifting rod and a roller with a groove, the sliding pipe is vertically arranged on the sliding table, the lower end of the shifting rod is slidably arranged in the sliding pipe, a shifting block is arranged at the upper end of the shifting rod, a positioning bolt is rotatably screwed on the outer wall of the sliding pipe, the inner end of the positioning bolt is in contact with the shifting rod, and the roller with the groove is arranged behind the sliding pipe through a support; the height of driving lever is adjusted along the slide pipe behind the fixed magnetostrictive level gauge of installation for the shifting block of driving lever contacts with the float of magnetostrictive level gauge, and the rolling groove and the feeler lever outer wall contact of trough of belt gyro wheel, and the trough of belt gyro wheel carries out the auxiliary stay to the feeler lever when the level attitude of magnetostrictive level gauge, improves magnetostrictive level gauge's stability.

Preferably, the device also comprises two gradienters, wherein the two gradienters are arranged on the detection plate through a vertical plate, and when the detection plate is in a vertical state, the two gradienters are in a horizontal state; when the detection plate is turned to be vertical, the state of the detection plate is adjusted according to the indication of the two gradienters, so that the detection plate is high in vertical degree, and detection errors are reduced.

Compared with the prior art, the beneficial effects of the utility model are that: when the detection is started, the detection plate is horizontally placed on the frame, the bottom ends of the detection rods of a plurality of magnetostrictive liquid level meters with the same specification are respectively clamped on a plurality of lower clamping components of a lower clamping plate, the heads of the magnetostrictive liquid level meters are respectively clamped on a plurality of upper clamping components of an upper clamping plate, the heads are electrically connected with the control box, the moving mechanism is operated to move the sliding table, a plurality of toggle components on the sliding table are respectively contacted with a plurality of floaters, the push cylinder is operated to extend, the push cylinder extends to turn over and erect the detection plate, the detection plate is in a vertical state, the sliding table is operated by a button on the control box to move up and down by the moving mechanism, the sliding table synchronously moves the floaters for a distance along the detection rods by the toggle components, meanwhile, the two grating heads move for a distance relative to the two gratings, the distance measured by the two grating heads and the two gratings in a matched mode is used as standard data, the measurement data detected by the detection rods and the floaters in a matched mode is sent to the control box by the heads, the standard data and the measurement data are automatically calculated and the difference of the detection of the horizontal type, the high detection efficiency and the high detection accuracy of the detection of the vertical type detection is realized, and the high detection error detection.

Drawings

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

FIG. 2 is a schematic structural view of the present invention in a flat state;

fig. 3 is a schematic side view of the present invention;

FIG. 4 is an exploded and enlarged schematic view of the lower X clamping plate, the upper X clamping plate, the sliding table and the like;

in the drawings, the reference numbers: 1. a frame; 2. a control box; 3. detecting a plate; 4. pushing the cylinder; 5. a lower clamping plate; 6. an upper clamping plate; 7. a sliding table; 8. a grating head; 9. a grating; 10. a slide rail; 11. a screw rod; 12. a stepping motor; 13. a slider; 14. a support block; 15. a lower screw rod; 16. pressing the block; 17. locking the bolt; 18. a pressure lever; 19. an upper screw rod; 20. pressing the block; 21. a bolt; 22. a slide pipe; 23. a deflector rod; 24. a grooved roller; 25. a level gauge.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

A precise automatic detection device of a magnetostrictive liquid level meter comprises a frame 1, a detection plate 3, two grating heads 8 and two gratings 9; the device is characterized by further comprising a control box 2, a push cylinder 4, a lower clamping plate 5, an upper clamping plate 6, a sliding table 7 and a moving mechanism, wherein the control box 2 is installed on the side wall of the frame 1, one end of the detection plate 3 is rotationally connected with one end of the frame 1, one end of the push cylinder 4 is rotationally connected with a middle cross beam of the frame 1, the other end of the push cylinder 4 is rotationally connected with the lower end face of the detection plate 3, the moving mechanism is installed on the upper end face of the detection plate 3, the lower clamping plate 5 is installed on the moving mechanism, a plurality of lower clamping components of detection rod ends are installed on the lower clamping plate 5, the upper clamping plate 6 is installed on the detection plate 3, a plurality of upper clamping components of a meter head are installed on the upper clamping plate 6, the sliding table 7 is installed on the moving mechanism, the sliding table 7 is located between the lower clamping plate 5 and the upper clamping plate 6, two grating heads 8 are bilaterally and symmetrically installed on the sliding table 7, the two grating heads 9 are symmetrically installed on the upper end face of the detection plate 3 in parallel, photoelectric heads of the two grating heads 8 are respectively aligned with the two grating heads 9, a plurality of the sliding table 7, a plurality of shifting components of floats are installed inside the control box 2, and a plurality of a display buttons of a display control box and a plurality of a display device are arranged outside the control box 2; the detection device further comprises two gradienters 25, wherein the two gradienters 25 are arranged on the detection plate 3 through a vertical plate, and when the detection plate 3 is in a vertical state, the two gradienters 25 are in a horizontal state; when the detection is started, the detection plate 3 is flatly placed on the frame 1, a plurality of magnetostrictive liquid level meters with the same specification are clamped on the lower clamping plate 5 and the upper clamping plate 6, a plurality of gauge heads are electrically connected with the control box 2, the push cylinder 4 is operated to extend, the push cylinder 4 extends to turn over and erect the detection plate 3, the state of the detection plate 3 is adjusted according to the indication of the two level meters 25, the detection plate 3 and the magnetostrictive liquid level meters are in a vertical state, the actual working state of the magnetostrictive liquid level meters is simulated, and the detection error is reduced.

Example 2

The moving mechanism comprises two sliding rails 10, a screw rod 11, a stepping motor 12 and a plurality of sliding blocks 13, the two sliding rails 10 are arranged on the upper end surface of the detection plate 3 in parallel, the lower clamping plate 5 and the sliding table 7 are respectively arranged on the two sliding rails 10 in a sliding manner through the plurality of sliding blocks 13, the front end and the rear end of the screw rod 11 are respectively connected with the detection plate 3 in a rotating manner through vertical plates, the screw rod 11 is connected with the sliding table 7 in a transmission manner through a screw rod nut, the stepping motor 12 is arranged on one vertical plate of the screw rod 11, and an output shaft of the stepping motor 12 is connected with the screw rod 11 in a concentric transmission manner; the shifting assembly comprises a sliding pipe 22, a shifting rod 23 and a grooved roller 24, the sliding pipe 22 is vertically arranged on the sliding table 7, the lower end of the shifting rod 23 is slidably arranged in the sliding pipe 22, the upper end of the shifting rod 23 is provided with a shifting block, the outer wall of the sliding pipe 22 is rotatably and spirally connected with a positioning bolt, the inner end of the positioning bolt is in contact with the shifting rod 23, and the grooved roller 24 is arranged behind the sliding pipe 22 through a support; the height of driving lever 23 is adjusted along slide 22 behind the fixed magnetostrictive level gauge of installation, make the shifting block of driving lever 23 and the float contact of magnetostrictive level gauge, the rolling slot and the contact of gauge rod outer wall of trough of belt gyro wheel 24, the trough of belt gyro wheel 24 carries out the auxiliary stay to the gauge rod when the magnetostrictive level gauge is horizontal state, erect back with pick-up plate 3, step motor 12 drive lead screw 11 rotates, lead screw 11 drives slip table 7 through screw-nut and removes along two slide rails 10 through a plurality of sliders 13, make a plurality of floaters of 23 automatic synchronization on the slip table 7 stir along a plurality of gauge rods and remove, make two relative grating 9 of two grating heads 8 remove simultaneously, realize automated inspection.

As shown in fig. 1 to 4, the utility model discloses a precision automatic checkout device of magnetostrictive liquid level meter, it is at work, at first, when beginning to detect, pick-up plate 3 is kept flat on frame 1, press from both sides the bottom of the probe rod of the magnetostrictive liquid level meter of a plurality of the same specifications between a plurality of tray 14 and a plurality of briquetting 16 down respectively, later with the gauge outfit of a plurality of magnetostrictive liquid level meters respectively the clamping between a plurality of V-arrangement grooves and a plurality of briquetting 20 on last grip block 6, electrically connect a plurality of gauge outfit and control box 2, then operation step motor 12 moves and makes slip table 7 remove, contact a plurality of driving levers 23 with a plurality of floaters respectively, operation push cylinder 4 extension, push cylinder 4 extension stands up the upset of pick-up plate 3, make pick-up plate 3 be vertical state, move slip table 7 through button operation step motor 12 operation on control box 2, slip table 7 moves a section distance along a plurality of floaters through a plurality of driving levers 23 with a plurality of floaters in step, two grating heads 8 move a section distances relatively, two grating heads 8 and two grating heads are as grating head cooperation data and two automatic measurement data display shows the last measuring data and shows that the control box 2 shows qualified data and shows that the control box can pass through a plurality of the control box 2 automatic checkout data display, and shows the last detection data, and the qualified detection data display.

The utility model discloses the main function who realizes does: horizontal installation and disassembly are adopted, vertical detection is converted, detection errors are reduced, and working efficiency is improved.

The utility model discloses a precise automatic detection device of a magnetostrictive liquid level meter, the installation mode, the connection mode or the setting mode of which are common mechanical modes, and the device can be implemented as long as the beneficial effects can be achieved; the utility model discloses a frame 1, control box 2, the jar 4 that pushes away, grating head 8, grating 9, spirit level 25, slide rail 10, lead screw 11, step motor 12, slider 13, trough of belt gyro wheel 24, lower screw rod 15, locking bolt 17, go up screw rod 19, bolt 21 are purchase on the market, and this industry technical staff only need according to its subsidiary instructions install and operate can, and need not the technical staff in the field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A precise automatic detection device of a magnetostrictive liquid level meter comprises a frame (1), a detection plate (3), two grating heads (8) and two gratings (9); the device is characterized by further comprising a control box (2), a push cylinder (4), a lower clamping plate (5), an upper clamping plate (6), a sliding table (7) and a moving mechanism, wherein the control box (2) is installed on the side wall of the frame (1), one end of the detection plate (3) is rotatably connected with one end of the frame (1), one end of the push cylinder (4) is rotatably connected with a middle cross beam of the frame (1), the other end of the push cylinder (4) is rotatably connected with the lower end face of the detection plate (3), the moving mechanism is installed on the upper end face of the detection plate (3), the lower clamping plate (5) is installed on the moving mechanism, lower clamping components of a plurality of detection rod ends are installed on the lower clamping plate (5), the upper clamping plate (6) is installed on the detection plate (3), upper clamping components of a plurality of gauge heads are installed on the upper clamping plate (6), the sliding table (7) is installed on the moving mechanism, the sliding table (7) is positioned between the lower clamping plate (5) and the upper clamping plate (6), two grating heads (8) are installed on the sliding table (7) in a left-right symmetry manner, two grating heads are installed on the sliding table (9), two grating heads (9) which are installed in parallel to each other, and are installed on the optical grating heads of the optical grating control box, and the optical grating head, two optical grating heads of the optical grating control mechanism, and the optical grating control mechanism are respectively arranged on the optical grating (8), a display and a plurality of buttons are arranged outside the control box (2).

2. The precise automatic detection device of the magnetostrictive liquid level meter as claimed in claim 1, characterized in that the moving mechanism comprises two slide rails (10), a screw rod (11), a stepping motor (12) and a plurality of slide blocks (13), the two slide rails (10) are mounted on the upper end surface of the detection plate (3) in parallel, the lower clamping plate (5) and the sliding table (7) are respectively mounted on the two slide rails (10) through the plurality of slide blocks (13) in a sliding manner, the front end and the rear end of the screw rod (11) are respectively connected with the detection plate (3) through vertical plates in a rotating manner, the screw rod (11) is connected with the sliding table (7) through a screw rod nut in a transmission manner, the stepping motor (12) is mounted on one vertical plate of the screw rod (11), and an output shaft of the stepping motor (12) is connected with the screw rod (11) in a concentric transmission manner.

3. The precise automatic detection device of the magnetostrictive liquid level meter according to claim 1, wherein the lower clamping assembly comprises a supporting block (14), a lower screw rod (15) and a lower pressing block (16), the supporting block (14) is installed on the lower clamping plate (5), a V-shaped bracket and a threaded support are arranged on the upper end surface of the supporting block (14), the middle part of the lower screw rod (15) is rotatably screwed on the threaded support on the supporting block (14), the lower pressing block (16) is rotatably installed at the lower end of the lower screw rod (15), the lower pressing block (16) is aligned with the V-shaped bracket of the supporting block (14), and a hand wheel is installed at the upper end of the lower screw rod (15).

4. The precise automatic detection device of the magnetostrictive liquid level meter according to claim 2, characterized by further comprising two locking bolts (17), wherein the two locking bolts (17) are rotatably screwed on the lower clamping plate (5), and the lower ends of the two locking bolts (17) are respectively contacted with the two sliding rails (10).

5. The precise automatic detection device of the magnetostrictive liquid level meter according to claim 1, wherein the upper clamping assembly comprises a pressure lever (18), a plurality of upper screws (19), a plurality of upper pressing blocks (20) and a bolt (21), the upper end surface of the upper clamping plate (6) is provided with a plurality of V-shaped grooves, one end of the pressure lever (18) is rotatably connected with one end of the upper clamping plate (6), the middle parts of the upper screws (19) are rotatably screwed on the pressure lever (18), the lower ends of the upper screws (19) are rotatably provided with the upper pressing blocks (20), the upper pressing blocks (20) are respectively aligned with the V-shaped grooves of the upper clamping plate (6), and the bolt (21) inserts the other end of the pressure lever (18) into the other end of the upper clamping plate (6).

6. The precise automatic detection device of the magnetostrictive liquid level meter according to claim 1, wherein the toggle assembly comprises a sliding tube (22), a toggle rod (23) and a grooved roller (24), the sliding tube (22) is vertically installed on the sliding table (7), the lower end of the toggle rod (23) is slidably installed in the sliding tube (22), a toggle block is arranged at the upper end of the toggle rod (23), a positioning bolt is rotatably screwed on the outer wall of the sliding tube (22), the inner end of the positioning bolt is in contact with the toggle rod (23), and the grooved roller (24) is installed behind the sliding tube (22) through a bracket.

7. The precise automatic detection device of the magnetostrictive liquid level meter as claimed in claim 1, characterized in that the device further comprises two levels (25), the two levels (25) are mounted on the detection plate (3) through vertical plates, and when the detection plate (3) is in the vertical state, the two levels (25) are in the horizontal state.