CN108897274A - A kind of electromechanical engineering experiment PLC signal processing apparatus - Google Patents
A kind of electromechanical engineering experiment PLC signal processing apparatus Download PDFInfo
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- CN108897274A CN108897274A CN201810742002.6A CN201810742002A CN108897274A CN 108897274 A CN108897274 A CN 108897274A CN 201810742002 A CN201810742002 A CN 201810742002A CN 108897274 A CN108897274 A CN 108897274A
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- fixedly connected
- back side
- set square
- fixed plate
- spring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1105—I-O
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a kind of electromechanical engineering experiment PLC signal processing apparatus, including shell, the front of the shell is provided with female, the front of the female and the back side grafting of male connector, the upper and lower surfaces of the male connector are fixedly connected with the opposite face of two fixed plate a respectively, the back side of the fixed plate a is fixedly connected with the front of connecting plate, the back side of the connecting plate is bonded with the front of placing groove inner wall, the placing groove is provided with the front of fixed plate b, and the upper surface of the fixed plate b is fixedly connected with the lower surface of female；When needing to separate male connector and female, people are by pulling lantern ring a band moving slide-bar to move down, slide bar, which moves down, drives set square b to move down, when set square a is no longer bonded with set square b, male connector is driven to be detached from female under the elastic force effect of spring a itself in telescopic device a, so that the dismantlement work of completion male connector and female that people can be more convenient.
Description
Technical field
The invention belongs to PLC signal processing apparatus technical fields, and in particular at a kind of electromechanical engineering experiment PLC signal
Manage device.
Background technique
PLC is programmable logic controller (PLC), it is used for its internally stored program, is held using a kind of programmable memory
The user oriented instruction such as row logical operation, sequential control, timing, counting and arithmetical operation, and by digital or analog defeated
Enter/export the various types of mechanical or production processes of control.
It after female and male connector grafting in original PLC signal processing apparatus is consolidated using the mode of screw and nut
It is fixed, but since screw and nut can get rusty phenomenon after prolonged use, screw is caused to be not easy from nut transfer
Out, so that inconvenient people separate male connector with female.
Summary of the invention
The purpose of the present invention is to provide a kind of electromechanical engineering experiment PLC signal processing apparatus, to solve above-mentioned background
Be after the female in original PLC signal processing apparatus and male connector grafting that are proposed in technology using the mode of screw and nut into
Row is fixed, but since screw and nut can get rusty phenomenon after prolonged use, screw is caused to be not easy from nut
In produce, thus the problem of inconvenient people separate male connector with female.
To achieve the above object, the present invention provides the following technical solutions：A kind of electromechanical engineering experiment PLC signal processing device
It sets, including shell, the front of the shell is provided with female, the front of the female and the back side grafting of male connector, the male connector
Upper and lower surfaces be fixedly connected respectively with the opposite face of two fixed plate a, the back side of the fixed plate a and connecting plate
Front be fixedly connected, the back side of the connecting plate is bonded with the front of placing groove inner wall, and the placing groove is provided with fixed plate b
Front, the upper surface of the fixed plate b is fixedly connected with the lower surface of female；
The lower surface of the connecting plate is fixedly connected with set square a, the front and the back side of set square b of the set square a
Fitting, the lower surface of the set square b are fixedly connected with the top of slide bar, and the bottom end of the slide bar is fixedly connected with lantern ring a, institute
The outer surface for stating slide bar is socketed with sliding sleeve, and the upper surface of the sliding sleeve is fixedly connected by spring c with the lower surface of set square b,
The spring c is socketed in the outer surface of slide bar, and the sliding sleeve is connected to the upper surface of fixed block a, the outer surface of the fixed block a
It is fixedly connected with the inner sidewall of through-hole a, the through-hole a is provided with the lower surface of fixed plate b；
The left and right sides of the shell are fixedly connected with the opposite face of two mounting plates respectively, the front of the mounting plate
It is fixedly connected by telescopic device b with the back side of fixed plate c, the front of the fixed plate c is connected with bearing, the bearing inner sleeve
It is connected to shaft, described positive one end of shaft is fixedly connected with lantern ring b, and the one end at the back side of the shaft and connecting rod are positive
One end is fixedly connected, and the one end at the connecting rod back side is fixedly connected with ball, the back side of the ball and the front of set square c
Fitting, the lower surface of the set square c are fixedly connected with the top of kelly, and the outer surface of the kelly is socketed with fixed block b, institute
The upper surface for stating fixed block b is fixedly connected by spring d with the lower surface of set square c, and the spring d is socketed in the appearance of slide bar
The outer surface in face, the fixed block b is fixedly connected with the inner sidewall of through-hole b, and the through-hole b is provided with the lower surface of mounting plate,
The shape of the through-hole b is L shape.
Preferably, the front of the fixed plate b is fixedly connected with the one end at the back side telescopic device a, and the telescopic device a is just
The one end in face is bonded with the back side of fixed plate a.
Preferably, the telescopic device a includes telescopic rod a, and the outer surface of the telescopic rod a is socketed with spring a, described to stretch
The one end at contracting bar a and the back side spring a is fixedly connected with the front of fixed plate b, the telescopic rod a and the positive one end spring a
It is bonded with the back side of fixed plate a.
Preferably, the telescopic device b includes telescopic rod b, and the outer surface of the telescopic rod b is socketed with spring b, described to stretch
One end of contracting bar b and the positive one end spring b and the back side is fixedly connected with the front at the back side of fixed plate c and mounting plate respectively.
Preferably, the outer surface of the shaft is fixedly connected with snap-gauge, and the quantity of the snap-gauge is two, and two snap-gauges
Shape be arc.
Preferably, the inner sidewall of the through-hole b offers card slot, and the quantity of the card slot is two, the card slot and card
The size and shape of plate are adapted.
Preferably, the distance between the snap-gauge and card slot are equal at a distance from ball passes by from the inclined-plane of set square c.
Preferably, the sum of the height of the set square a and the height of set square b are less than table on connecting plate lower surface to sliding sleeve
The distance in face.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) when people need to by female and male connector grafting, people drive fixed plate a to Forward by holding male connector
Dynamic, fixed plate a, which is moved forward, drives connecting plate to move forward, and connecting plate, which moves forward, drives set square a to move forward and squeeze
Set square b is moved down, set square b move down can squeeze spring c make spring c shrink, when connecting plate and placing groove inner wall
Front fitting when, drive set square b to move up under the elastic force effect of spring c itself, so as to by set square a card
Firmly, so that will not separate between male connector and female, when needing to separate male connector and female, people are slided by pulling lantern ring a to drive
Bar moves down, and slide bar, which moves down, drives set square b to move down, and when set square a is no longer bonded with set square b, is stretching
The elastic force effect of spring a itself is lower in compression apparatus a drives male connector to be detached from female, so that people can be more convenient
Complete the dismantlement work of male connector and female.
(2) when people need to carry out being installed to shell inside machine, people are driven by squeezing lantern ring b by shaft
Connecting rod moves backward, and connecting rod, which moves backward, drives ball to move backward and squeeze set square c and move down, and set square is downward
It is mobile that kelly is driven to move down, so that kelly can be skidded off from the through-hole b that mounting plate opens up and be sticked into inside machine
In the groove opened up, when kelly is sticked into completely in the groove opened up inside machine, people pass through shaft band by rotational lantern ring
Dynamic snap-gauge rotation, so that snap-gauge can stick into card slot, and then the erector for the completion shell that people can be more convenient
Make.
(3) by setting telescopic device b and spring d, so that when people need to dismantle shell, Ren Menzhuan
Dynamic lantern ring b produces snap-gauge out of card slot, when snap-gauge is produced out of card slot completely, the spring b itself in telescopic device b
It is moved before the lower drive fixed plate c of elastic force effect, so that ball no longer squeezes set square c, the band under the elastic force effect of spring d
Dynamic kelly is moved up and is detached from from the groove opened up inside machine, and then completes the dismantlement work of shell.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the schematic diagram of the section structure of female of the present invention and male connector left view.
Fig. 3 is the structural schematic diagram amplified at A in Fig. 2.
Fig. 4 is the schematic diagram of the section structure of the right view of mounting plate of the present invention.
Fig. 5 is the structural schematic diagram of snap-gauge of the present invention.
In figure：1, shell；2, female；3, male connector；4, fixed plate a；5, connecting plate；6, placing groove；7, fixed plate b；8, three
Gusset a；9, set square b；10, slide bar；11, lantern ring a；12, sliding sleeve；13, spring c；14, fixed block a；15, through-hole a；16, it stretches
Device a；161, telescopic rod a；162, spring a；17, mounting plate；18, telescopic device b；181, telescopic rod b；182, spring b；19,
Fixed plate c；20, bearing；21, shaft；22, lantern ring b；23, snap-gauge；24, connecting rod；25, ball；26, set square c；27, through-hole
b；28, kelly；29, fixed block b；30, spring d；31, card slot.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution：A kind of electromechanical engineering experiment PLC signal processing apparatus,
Including shell 1, the front of shell 1 is provided with female 2, the front of female 2 and the back side grafting of male connector 3, the upper surface of male connector 3 and
Lower surface is fixedly connected with the opposite face of two fixed plate a4 respectively, and the back side of fixed plate a4 and the front of connecting plate 5 are fixed
Connection, the back side of connecting plate 5 are bonded with the front of 6 inner wall of placing groove, and placing groove 6 is provided with the front of fixed plate b7, fixed plate
The upper surface of b7 is fixedly connected with the lower surface of female 2；
The lower surface of connecting plate 5 is fixedly connected with set square a8, and the front of set square a8 is bonded with the back side of set square b9,
The lower surface of set square b9 is fixedly connected with the top of slide bar 10, and the bottom end of slide bar 10 is fixedly connected with lantern ring a11, slide bar 10
Outer surface is socketed with sliding sleeve 12, and the upper surface of sliding sleeve 12 is fixedly connected by spring c13 with the lower surface of set square b9, spring
C13 is socketed in the outer surface of slide bar 10, and sliding sleeve 12 is connected to the upper surface of fixed block a14, the outer surface of fixed block a14 and through-hole
The inner sidewall of a15 is fixedly connected, and through-hole a15 is provided with the lower surface of fixed plate b7；
The left and right sides of shell 1 are fixedly connected with the opposite face of two mounting plates 17 respectively, and the front of mounting plate 17 is logical
It crosses telescopic device b18 to be fixedly connected with the back side of fixed plate c19, the front of fixed plate c19 is connected with bearing 20,20 inner sleeve of bearing
It is connected to shaft 21, the positive one end of shaft 21 is fixedly connected with lantern ring b22,24 front of one end and connecting rod at the back side of shaft 21
One end be fixedly connected, the one end at 24 back side of connecting rod is fixedly connected with ball 25, and the back side of ball 25 and set square c26 are just
Face paste is closed, and the lower surface of set square c26 is fixedly connected with the top of kelly 28, and the outer surface of kelly 28 is socketed with fixed block b29,
The upper surface of fixed block b29 is fixedly connected by spring d30 with the lower surface of set square c26, and spring d30 is socketed in slide bar 10
The outer surface of outer surface, fixed block b29 is fixedly connected with the inner sidewall of through-hole b27, and through-hole b27 is provided with the following table of mounting plate 17
Face, the shape of through-hole b27 are L shape.
In the present embodiment, when people need to by female 2 and 3 grafting of male connector, people are driven admittedly by holding male connector 3
Fixed board a4 is moved forward, and fixed plate a4, which is moved forward, drives connecting plate 5 to move forward, and connecting plate 5, which moves forward, drives set square
A8 is moved forward and is squeezed set square b9 and moves down, set square b9 move down can squeeze spring c13 make spring c13 receive
Contracting, when the front of connecting plate 5 and 6 inner wall of placing groove be bonded, in the case where the elastic force of spring c13 itself acts on drive set square b9 to
Upper movement, so as to which set square a8 is blocked so that will not be separated between male connector 3 and female 2, when need to separate male connector 3 with
When female 2, for people by pulling lantern ring a11 band moving slide-bar 10 to move down, slide bar 10, which moves down, drives set square b9 downward
It is mobile, when set square a8 is no longer bonded with set square b9, the band under the elastic force effect of spring a162 itself in telescopic device a16
Dynamic male connector 3 is detached from female 2, so that the dismantlement work of the completion male connector 3 that people can be more convenient and female 2, when
When people need to carry out shell 1 to be installed to inside machine, people drive connecting rod 24 by shaft 21 by squeezing lantern ring b22
It moves backward, connecting rod 24, which moves backward, drives ball 25 to move backward and squeeze set square c26 and move down, and set square is downward
It is mobile that kelly 28 is driven to move down, so that kelly 28 can be skidded off and be sticked into from the through-hole b27 that mounting plate 17 opens up
In the groove opened up inside machine, when kelly 28 is sticked into completely in the groove opened up inside machine, people pass through rotational lantern ring
Snap-gauge 23 is driven to rotate by shaft 21, so that snap-gauge 23 can stick into card slot 31, and then people can be more convenient
Completion shell 1 installment work, by the way that telescopic device b18 and spring d30 is arranged, so that needing to shell 1 as people
When being dismantled, people's rotational lantern ring b22 produces snap-gauge 23 out of card slot 31, when snap-gauge 23 is produced out of card slot 31 completely
When, it is moved before driving fixed plate c19 under the elastic force effect of spring b182 itself in telescopic device b18, so that ball 25
Set square c26 is no longer squeezed, drive kelly 28 to move up under the elastic force effect of spring d30 and is opened up inside machine recessed
It is detached from slot, and then completes the dismantlement work of shell 1.
Further, the front of fixed plate b7 is fixedly connected with the one end at the back side telescopic device a16, and telescopic device a16 is just
The one end in face is bonded with the back side of fixed plate a4.
In the present embodiment, because being provided with telescopic device a16 between fixed plate a4 and fixed plate b7, so that when three
When gusset a8 is no longer bonded with set square b9, drive male connector 3 de- under the elastic force effect of spring a162 itself in telescopic device a16
From female 2, so that the dismantlement work of the completion male connector 3 that people can be more convenient and female 2.
Further, telescopic device b18 includes telescopic rod b181, and the outer surface of telescopic rod b181 is socketed with spring b182,
One end of telescopic rod b181 and the positive one end spring b182 and the back side respectively with the back side of fixed plate c19 and mounting plate 17 just
Face is fixedly connected.
In the present embodiment, because telescopic device b18 is provided between mounting plate 17 and fixed plate c19, so that working as
When people need to dismantle shell 1, people's rotational lantern ring b22 produces snap-gauge 23 out of card slot 31, when snap-gauge 23 is complete
When producing out of card slot 31 entirely, fixed plate c19 Forward is driven under the elastic force effect of spring b182 itself in telescopic device b18
It is dynamic, so that ball 25 no longer squeezes set square c26, drive kelly 28 to move up simultaneously under the elastic force effect of spring d30
It is detached from from the groove opened up inside machine, and then completes the dismantlement work of shell 1.
Further, the outer surface of shaft 21 is fixedly connected with snap-gauge 23, and the quantity of snap-gauge 23 is two, and two snap-gauges
23 shape is arc.
In the present embodiment, because being fixedly connected with snap-gauge 23 in the outer surface of shaft 21, so that when kelly 28 is complete
When sticking into the groove opened up inside machine, people drive snap-gauge 23 to rotate by rotational lantern ring by shaft 21, thus snap-gauge
23 can stick into card slot 31, and then the installment work for the completion shell 1 that people can be more convenient.
Further, the inner sidewall of through-hole b27 offers card slot 31, and the quantity of card slot 31 is two, card slot 31 and snap-gauge
23 size and shape are adapted.
In the present embodiment, because the inner sidewall in through-hole b27 offers card slot 31, and the ruler of card slot 31 and snap-gauge 23 is limited
Very little and shape is adapted, so that people can make snap-gauge 23 by lantern ring b22 when snap-gauge 23 is moved to the position of card slot 31
It sticks into card slot 31, to snap-gauge 23 be blocked, so that kelly 28 will not recycle under the action of spring d30.
Further, the distance between snap-gauge 23 and card slot 31 are equal to what ball 25 was passed by from the inclined-plane of set square c26
Distance.
In the present embodiment, because limiting the distance between snap-gauge 23 and card slot 31 is equal to ball 25 from the oblique of set square c26
The distance passed by face, so that it is oblique that ball 25 is just moved to set square when snap-gauge 23 is moved to the position of card slot 31
The bottom end in face, to guarantee that kelly 28 can normally stick into the groove opened up inside machine.
Further, the sum of the height of set square a8 and the height of set square b9 are less than 5 lower surface of connecting plate to sliding sleeve 12
The distance of upper surface.
In the present embodiment, because limiting the sum of the height of set square a8 and the height of set square b9 is less than 5 following table of connecting plate
Face to 12 upper surface of sliding sleeve distance so that when set square a8 squeeze set square b9 move down when, set square b9 is not
Sliding sleeve 12 can be touched, to guarantee that set square a8 can smoothly be moved to the left side of set square b9.
The working principle of the invention and process for using：After the present invention installs, people are by squeezing lantern ring b22 by turning
Axis 21 drive connecting rod 24 move backward, connecting rod 24 move backward drive ball 25 move backward and squeeze set square c26 to
Lower movement, set square, which moves down, drives kelly 28 to move down so that kelly 28 can be opened up from mounting plate 17 it is logical
It skids off and is sticked into the groove opened up inside machine in the b27 of hole, when kelly 28 is sticked into completely in the groove opened up inside machine,
People drive snap-gauge 23 to rotate by rotational lantern ring by shaft 21, so that snap-gauge 23 can stick into card slot 31, when shell 1
After the completion of installment work, people drive fixed plate a4 to move forward by holding male connector 3, and fixed plate a4 is moved forward and driven connection
Plate 5 moves forward, and the forward movement of connecting plate 5 drives set square a8 to move forward and squeeze set square b9 and moves down, set square
B9 is moved down and can be squeezed spring c13 spring c13 is shunk, when being bonded when connecting plate 5 and 6 inner wall of placing groove positive,
The elastic force effect of spring c13 itself is lower to drive set square b9 to move up, and so as to block set square a8, and then completes female
First 2 with the installment work of male connector 3.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of electromechanical engineering experiment PLC signal processing apparatus, including shell (1), it is characterised in that：The shell (1)
Front is provided with female (2), front and the back side grafting of male connector (3) of the female (2), the upper surface of the male connector (3) and
Lower surface is fixedly connected with the opposite face of two fixed plate a (4) respectively, the back side and connecting plate (5) of the fixed plate a (4)
Front be fixedly connected, the back side of the connecting plate (5) is bonded with the front of placing groove (6) inner wall, and the placing groove (6) opens up
It is fixedly connected in the upper surface in the front of (7) fixed plate b, the fixed plate b (7) with the lower surface of female (2)；
The lower surface of the connecting plate (5) is fixedly connected with set square a (8), front and the set square b of the set square a (8)
(9) back side fitting, the lower surface of the set square b (9) are fixedly connected with the top of slide bar (10), the bottom of the slide bar (10)
End is fixedly connected with lantern ring a (11), and the outer surface of the slide bar (10) is socketed with sliding sleeve (12), the upper surface of the sliding sleeve (12)
It is fixedly connected by spring c (13) with the lower surface of set square b (9), the spring c (13) is socketed in the appearance of slide bar (10)
Face, the sliding sleeve (12) are connected to the upper surface of (14) fixed block a, outer surface and through-hole a (15) of the fixed block a (14)
Inner sidewall is fixedly connected, and the through-hole a (15) is provided with the lower surface of (7) fixed plate b；
The left and right sides of the shell (1) are fixedly connected with the opposite face of two mounting plates (17) respectively, the mounting plate
(17) front is fixedly connected by telescopic device b (18) with the back side of fixed plate c (19), the front of the fixed plate c (19)
It is connected with bearing (20), is socketed with shaft (21) in the bearing (20), the positive one end of the shaft (21) is fixedly connected with
One end of lantern ring b (22), the back side of the shaft (21) are fixedly connected with connecting rod (24) positive one end, the connecting rod
(24) one end at the back side is fixedly connected with ball (25), and the back side of the ball (25) is bonded with the front of set square c (26), institute
The lower surface for stating set square c (26) is fixedly connected with the top of kelly (28), and the outer surface of the kelly (28) is socketed with fixation
The upper surface of block b (29), the fixed block b (29) are fixedly connected by spring d (30) with the lower surface of set square c (26), institute
State the outer surface that spring d (30) is socketed in slide bar (10), the outer surface of the fixed block b (29) and the inner sidewall of through-hole b (27)
It is fixedly connected, the through-hole b (27) is provided with the lower surface of mounting plate (17), and the shape of the through-hole b (27) is L shape.
2. a kind of electromechanical engineering experiment PLC signal processing apparatus according to claim 1, it is characterised in that：It is described solid
Fixed board b (7) front be fixedly connected with the one end at telescopic device a (16) back side, the positive one end of the telescopic device a (16) and
The back side of fixed plate a (4) is bonded.
3. a kind of electromechanical engineering experiment PLC signal processing apparatus according to claim 2, it is characterised in that：It is described to stretch
Compression apparatus a (16) includes (161) telescopic rod a, and the outer surface of the telescopic rod a (161) is socketed with spring a (162), described flexible
The one end at bar a (161) and spring a (162) back side is fixedly connected with the front of fixed plate b (7), the telescopic rod a (161) and
Spring a (162) positive one end is bonded with the back side of fixed plate a (4).
4. a kind of electromechanical engineering experiment PLC signal processing apparatus according to claim 1, it is characterised in that：It is described to stretch
Compression apparatus b (18) includes (181) telescopic rod b, and the outer surface of the telescopic rod b (181) is socketed with spring b (182), described flexible
One end of bar b (181) and the positive one end spring b (182) and the back side respectively with the back side of fixed plate c (19) and mounting plate (17)
Front be fixedly connected.
5. a kind of electromechanical engineering experiment PLC signal processing apparatus according to claim 1, it is characterised in that：Described turn
The outer surface of axis (21) is fixedly connected with snap-gauge (23), and the quantity of the snap-gauge (23) is two, and the shape of two snap-gauges (23)
Shape is arc.
6. a kind of electromechanical engineering experiment PLC signal processing apparatus according to claim 5, it is characterised in that：It is described logical
The inner sidewall of hole b (27) offers card slot (31), and the quantity of the card slot (31) is two, the card slot (31) and snap-gauge (23)
Size and shape be adapted.
7. a kind of electromechanical engineering experiment PLC signal processing apparatus according to claim 6, it is characterised in that：The card
The distance between plate (23) and card slot (31) are equal at a distance from ball (25) pass by from the inclined-plane of (26) set square c.
8. a kind of electromechanical engineering experiment PLC signal processing apparatus according to claim 1, it is characterised in that：Described three
The sum of height of gusset a (8) and the height of set square b (9) be less than connecting plate (5) lower surface to sliding sleeve (12) upper surface away from
From.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810742002.6A CN108897274A (en) | 2018-07-09 | 2018-07-09 | A kind of electromechanical engineering experiment PLC signal processing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810742002.6A CN108897274A (en) | 2018-07-09 | 2018-07-09 | A kind of electromechanical engineering experiment PLC signal processing apparatus |
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| CN108897274A true CN108897274A (en) | 2018-11-27 |
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| CN201810742002.6A Pending CN108897274A (en) | 2018-07-09 | 2018-07-09 | A kind of electromechanical engineering experiment PLC signal processing apparatus |
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Application publication date: 20181127 |