CN113769492A - Dry-type trolley differential pressure detection alarm device, method and system - Google Patents
Dry-type trolley differential pressure detection alarm device, method and system Download PDFInfo
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- CN113769492A CN113769492A CN202111055190.3A CN202111055190A CN113769492A CN 113769492 A CN113769492 A CN 113769492A CN 202111055190 A CN202111055190 A CN 202111055190A CN 113769492 A CN113769492 A CN 113769492A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0086—Filter condition indicators
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Abstract
The invention provides a dry-type trolley differential pressure detection alarm device, which comprises a dry-type trolley main body and self-locking universal wheels, wherein the self-locking universal wheels are fixed at the bottom of the dry-type trolley main body at equal intervals, a mounting substrate is fixed at one side of the dry-type trolley main body, a transmitter is clamped at one side of the mounting substrate, mounting lug blocks are fixed at one side of the transmitter close to the mounting substrate at equal intervals, the number of the mounting lug blocks is three, a differential pressure sensor is fixed at one side of the dry-type trolley main body close to the mounting substrate, and the detection end of the differential pressure sensor extends into the dry-type trolley main body; the invention can automatically detect the pressure at two sides of the filter cotton in the main body of the dry-type small car, can automatically alarm when the pressure difference at two sides is different due to more accumulated waste paint in the filter cotton, can facilitate the disassembly and assembly of transmitters by people in the daily maintenance process, and can facilitate the replacement and installation of transmitters with various sizes.
Description
Technical Field
The invention relates to the technical field of dry-type trolley differential pressure detection, in particular to a dry-type trolley differential pressure detection alarm device, method and system.
Background
The dry paint spraying chamber is composed of a dynamic and static pressure chamber, a spraying operation chamber, a paint mist separation chamber and an exhaust system, wherein a paint mist separation device is arranged in the paint mist separation chamber, the dry paint spraying chamber is relative to the wet paint spraying chamber, the dry paint spraying chamber is one type of the paint spraying chamber, and the dry paint spraying chamber is named by separating the paint mist in a dry mode because the paint mist separation device does not use water in the process of separating the paint mist;
the collection of the waste paint in the existing dry paint spraying chamber is usually carried out by adopting a detachable dry waste paint collecting trolley at the bottom of the existing dry paint spraying chamber, the dry type waste paint collecting trolley is usually provided with filter cotton, the filter cotton is used for filtering and collecting the waste paint, the surface of the filter cotton is usually accumulated with waste paint with a certain thickness and then the waste paint is required to be cleaned by disassembling the dry waste paint collecting trolley, if the waste paint is not cleaned in time, the treatment and collection effect of the waste paint is greatly influenced, the conventional dry-type waste paint collection trolley generally checks the waste paint accumulated on the filter cotton by a manual checking method, and if the dry-type waste paint collection trolley is manually disassembled, the condition of the waste paint on the filter screen is observed manually, the whole operation process is very complicated, and the observation precision is very low manually.
Therefore, it is necessary to provide a dry-type car differential pressure detection alarm device, method and system to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a dry-type trolley differential pressure detection alarm device, a method and a system, which can automatically detect the pressures at two sides of filter cotton in a dry-type trolley main body, can automatically alarm when the differential pressure at two sides is different due to more accumulated waste paint in the filter cotton, and can facilitate people to disassemble and assemble a transmitter in the daily maintenance process.
The invention provides a dry-type trolley differential pressure detection alarm device which comprises a dry-type trolley main body and self-locking universal wheels, wherein the self-locking universal wheels are fixed at the bottom of the dry-type trolley main body at equal intervals, a mounting substrate is fixed at one side of the dry-type trolley main body, a transmitter is clamped at one side of the mounting substrate, mounting lug blocks are fixed at one side of the transmitter close to the mounting substrate at equal intervals, the number of the mounting lug blocks is three, a differential pressure sensor is fixed at one side of the dry-type trolley main body close to the mounting substrate, the detection end of the differential pressure sensor extends into the dry-type trolley main body, the differential pressure sensor is electrically connected with the transmitter through a lead, an alarm is fixed at the top of the dry-type trolley main body and electrically connected with the transmitter, positioning mechanisms for mounting the transmitter are arranged at equal intervals in the middle of the mounting substrate, and one side of the mounting substrate far away from the transmitter is fixed with a positioning mechanism for adjusting the positioning mechanism according to the size of the transmitter And a driving mechanism for driving the positioning mechanism to work is arranged on one side of the mounting position adjusting mechanism.
Preferably, positioning mechanism includes adjustment tank, location installation cover, drive groove, push rod, first ejector pin and second ejector pin, the adjustment tank has been seted up to mounting substrate's middle part equidistance, the inner wall sliding connection of adjustment tank has the location installation cover, and is three the location installation cover is pegged graft with the inner wall of three installation ear piece respectively, the location installation cover has seted up the drive groove near the one end symmetry of installation ear piece, the inner wall sliding connection of location installation cover has the push rod, the one end that the push rod is close to the drive groove rotates through the pivot symmetry and is connected with first ejector pin, the one end that the push rod was kept away from to first ejector pin rotates through the pivot and is connected with the second ejector pin, the one end that first ejector pin was kept away from to the second ejector pin is rotated through the inner wall of pivot with the drive groove and is connected, the outer wall of second ejector pin and the inner wall extrusion contact of installation ear piece.
Preferably, the inner wall symmetry of adjustment tank is fixed with the slide rail, the bilateral symmetry of location installation cover is fixed with the slider, the slider is connected with the outer wall sliding of slide rail.
Preferably, the mounted position adjustment mechanism includes connecting axle, worm wheel, arc drive groove, fixed block, worm and first rotation piece, the middle part that the changer one side was kept away from to mounting substrate is fixed with the connecting axle, the outer wall of connecting axle rotates through the bearing and is connected with the worm wheel, the arc drive groove has been seted up to the middle part equidistance of worm wheel, the inner wall sliding connection in location installation cover and arc drive groove, one side symmetry that mounting substrate is close to the connecting axle is fixed with the fixed block, two be connected with the worm through the bearing rotation between the fixed block, the worm is connected with the worm wheel meshing, the top of worm is passed the fixed block and is fixed with first rotation piece.
Preferably, the driving mechanism comprises a threaded hole, a screw rod, a driving disc, a sliding rod, a sliding hole, a driving frame, a push-pull baffle and a second rotating block, a threaded hole is arranged in the middle of one end of the connecting shaft, which is far away from the mounting base plate, the inner wall of the threaded hole is in threaded connection with a screw rod, one end of the screw rod, which is far away from the connecting shaft, is rotatably connected with a driving disc through a bearing, slide bars are fixed on one side of the driving disc, which is close to the mounting base plate, at equal intervals, one end of the connecting shaft close to the slide bar is provided with slide holes at equal intervals corresponding to the positions of the slide bar, the slide bar is connected with the inner wall of the slide hole in a sliding way, the outer wall of the driving disc is fixed with driving frames at equal intervals, one end of the push rod close to the driving frames extends to the inner wall of the driving frames, push-and-pull baffles are symmetrically fixed at one end, close to the driving frame, of the push rod, the push-and-pull baffles are matched with the driving frame, and a second rotating block is fixed at one end, far away from the connecting shaft, of the screw rod.
Preferably, the outer wall of the first rotating block and the outer wall of the second rotating block are provided with anti-slip lines at equal intervals.
Preferably, a first stabilizing sleeve is fixed in the middle of one side, far away from the mounting substrate, of the worm wheel, the first stabilizing sleeve is rotatably connected with the outer wall of the connecting shaft, a second stabilizing sleeve is fixed in the middle of one side, close to the second rotating block, of the driving disc, and the second stabilizing sleeve is rotatably connected with the outer wall of the screw rod.
Preferably, one end of the positioning installation sleeve, which is close to the transmitter, is provided with a chamfer, and one end of the inner wall of the installation lug block, which is close to the installation substrate, is provided with a chamfer.
The invention also provides a dry-type trolley differential pressure detection alarm system which comprises a control unit, a display module and the dry-type trolley differential pressure detection alarm device, wherein the control unit is used for receiving the electric signal provided by the transmitter, controlling the operation of the alarm through the control unit and simultaneously transmitting the signal to the display module, and the display module is used for receiving the data of the control unit and further displaying the differential pressure data.
Based on the alarm system provided by the invention, the invention also provides a dry-type trolley differential pressure detection alarm method, which comprises the following steps:
1) when the dry type trolley is used, the waste paint is filtered and collected through the dry type trolley main body, and in the collecting process, air pressure data on two sides of the filter screen can be detected through the arranged differential pressure sensor;
2) the pressure difference sensor transmits the air pressure data on the two sides of the filter screen to the transmitter through a non-electric signal, and the transmitter converts the signal into an electric signal and transmits the electric signal to the control unit;
3) the control unit receives the electric signal and transmits the data to the display module to be displayed, and when the air pressure difference on the two sides of the filter screen exceeds a set normal value, the control unit sounds the control alarm to remind people that more waste paint is accumulated on one side of the filter screen, so that the people are reminded of replacing the waste paint in time;
4) when the damaged transmitter is replaced, the driving mechanism is driven to drive the positioning mechanism to unlock, and the damaged transmitter is disassembled;
5) when the size of the replaced transmitter is changed, the mounting position adjusting mechanism is driven to work, and the positions of the three positioning mounting sleeves are adjusted to correspond to the mounting lug blocks;
6) and then install new changer, drive positioning mechanism and fix the changer through drive actuating mechanism.
Compared with the prior art, the dry-type trolley differential pressure detection alarm device, the method and the system have the following beneficial effects:
the invention provides a dry-type trolley differential pressure detection alarm device, a method and a system, wherein the method comprises the following steps:
1. according to the invention, the pressure difference sensor is arranged to be matched with the transmitter, so that the pressure difference at two sides of the filter screen in the dry-type trolley main body can be conveniently detected, when the filter screen in the dry-type trolley reaches the use limit, namely more waste paint is accumulated on the surface of one side of the filter screen, the change of the pressure difference can be effectively detected through the pressure difference sensor, the alarm can be controlled to work, people can be reminded of cleaning the waste paint, and the use of the alarm is greatly facilitated.
2. The positioning mechanism and the driving mechanism can enable the connection of the transmitter and the mounting substrate to be more concise and quicker, thereby greatly improving the maintenance efficiency of operators on the transmitter and facilitating the use of people.
3. The positioning mechanism can be adjusted through the arranged mounting position adjusting mechanism, so that the positions of the three positioning mounting sleeves can be adjusted, the positions of the three positioning mounting sleeves can correspond to the positions of the mounting lugs on the side wall of the transmitter, and when the prior transmitter is damaged and the size of the replaced transmitter is changed in the daily maintenance process, the positioning mechanism can be provided with transmitters with various specifications and sizes through the arranged mounting position adjusting mechanism, so that the use and operation of people are greatly facilitated.
Drawings
FIG. 1 is a schematic structural diagram of a dry-type trolley differential pressure detection alarm device according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a mounting substrate position structure provided in the present invention;
FIG. 3 is a schematic diagram of a transmitter location configuration provided by the present invention;
FIG. 4 is an enlarged view of the invention at A;
FIG. 5 is a schematic structural view of a positioning mechanism provided in the present invention;
FIG. 6 is a schematic view of the shape and structure of the mounting lug provided by the present invention;
FIG. 7 is a schematic structural view of an installation position adjustment mechanism provided by the present invention;
FIG. 8 is a schematic view of a driving mechanism according to the present invention;
FIG. 9 is an enlarged view at B provided by the present invention;
FIG. 10 is a schematic view of a method for using a dry-type trolley differential pressure detection alarm device provided by the invention;
FIG. 11 is a schematic view of a dry-type trolley differential pressure detection alarm system provided by the invention.
Reference numbers in the figures: 1. a dry-type trolley main body; 2. a self-locking universal wheel; 3. a mounting substrate; 4. a transmitter; 5. mounting an ear block; 6. a differential pressure sensor; 7. an alarm; 8. a positioning mechanism; 81. an adjustment groove; 82. positioning the mounting sleeve; 83. a drive slot; 84. a push rod; 85. a first ejector rod; 86. a second ejector rod; 9. a mounting position adjusting mechanism; 91. a connecting shaft; 92. a worm gear; 93. an arc-shaped driving groove; 94. a fixed block; 95. a worm; 96. a first rotating block; 10. a drive mechanism; 101. a threaded hole; 102. a screw; 103. a drive disc; 104. a slide bar; 105. a slide hole; 106. a drive frame; 107. pushing and pulling the baffle plate; 108. a second turning block; 11. a slide rail; 12. a slider; 13. anti-skid lines; 14. a first stabilizer sleeve; 15. a second stabilizing sleeve; 16. a control unit; 17. a display module.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
In the specific implementation process, as shown in fig. 1, 2 and 3, a dry-type trolley differential pressure detection alarm device comprises a dry-type trolley main body 1 and self-locking universal wheels 2, the self-locking universal wheels 2 are fixed on the bottom of the dry-type trolley main body 1 at equal intervals, a mounting substrate 3 is fixed on one side of the dry-type trolley main body 1, a transmitter 4 is clamped on one side of the mounting substrate 3, mounting lug blocks 5 are fixed on one side of the transmitter 4 close to the mounting substrate 3 at equal intervals, three mounting lug blocks 5 are arranged, a differential pressure sensor 6 is fixed on one side of the dry-type trolley main body 1 close to the mounting substrate 3, the detection end of the differential pressure sensor 6 extends into the dry-type trolley main body 1, the differential pressure sensor 6 is electrically connected with the transmitter 4 through a wire, an alarm 7 is fixed on the top of the dry-type trolley main body 1, and the alarm 7 is electrically connected with the transmitter 4, mounting substrate 3's middle part equidistance is provided with the positioning mechanism 8 that is used for installing changer 4, one side that mounting substrate 3 kept away from changer 4 is fixed with the mounted position adjustment mechanism 9 that is used for adjusting positioning mechanism 8 according to changer 4 size, one side of mounted position adjustment mechanism 9 is provided with the actuating mechanism 10 that is used for driving 8 work of positioning mechanism.
It should be noted that the differential pressure sensor 6 matched with the transmitter 4 can be used for conveniently detecting the differential pressure on two sides of the filter screen in the dry-type trolley main body 1, so that the filter screen in the dry-type trolley reaches the use limit, namely, when more waste paint is accumulated on the surface of one side of the filter screen, the change of the differential pressure can be effectively detected through the differential pressure sensor 6, the alarm 7 can be controlled to work to remind people of cleaning the waste paint, and the use of the people is greatly facilitated.
Referring to fig. 3, 4 and 5 shown in fig. 1, the positioning mechanism 8 includes an adjusting groove 81, a positioning installation sleeve 82, a driving groove 83, a push rod 84, a first push rod 85 and a second push rod 86, the adjusting groove 81 is formed in the middle of the installation base plate 3 at an equal distance, the positioning installation sleeve 82 is slidably connected to the inner wall of the adjusting groove 81, three positioning installation sleeves 82 are respectively inserted into the inner walls of three installation lug blocks 5, the driving groove 83 is symmetrically formed in one end of each positioning installation sleeve 82 close to the installation lug block 5, the push rod 84 is slidably connected to the inner wall of the positioning installation sleeve 82, the first push rod 85 is rotatably connected to one end of the push rod 84 close to the driving groove 83 through a shaft pin, the second push rod 86 is rotatably connected to one end of the first push rod 85 far away from the push rod 84 through a shaft pin, the one end of the second push rod 86 far away from the first push rod 85 is rotatably connected to the inner wall of the driving groove 83 through a shaft pin, the outer wall of the second ejector pin 86 is in pressing contact with the inner wall of the mounting lug 5.
It should be noted that the connection between the transmitter 4 and the mounting substrate 3 can be conveniently completed by the aid of the positioning mechanism 8 and the driving mechanism 10, and the connection between the transmitter 4 and the mounting substrate 3 can be more concise and quicker by the aid of the positioning mechanism 8 and the driving mechanism 10, so that the maintenance efficiency of the transmitter 4 by an operator is greatly improved, and the transmitter is convenient for people to use.
Referring to fig. 4, the slide rails 11 are symmetrically fixed on the inner wall of the adjusting groove 81, the sliding blocks 12 are symmetrically fixed on both sides of the positioning mounting sleeve 82, and the sliding blocks 12 are slidably connected with the outer wall of the slide rails 11, so that the positioning mounting sleeve 82 can stably slide in the adjusting groove 81.
Referring to fig. 7, mounted position adjustment mechanism 9 includes connecting axle 91, worm wheel 92, arc drive groove 93, fixed block 94, worm 95 and first rotation piece 96, the middle part that mounting substrate 3 kept away from changer 4 one side is fixed with connecting axle 91, the outer wall of connecting axle 91 is connected with worm wheel 92 through the bearing rotation, arc drive groove 93 has been seted up to worm wheel 92's middle part equidistance, the inner wall sliding connection of location installation cover 82 and arc drive groove 93, one side symmetry that mounting substrate 3 is close to connecting axle 91 is fixed with fixed block 94, two be connected with worm 95 through the bearing rotation between the fixed block 94, worm 95 is connected with the worm wheel 92 meshing, fixed block 94 is fixed with first rotation piece 96 is passed at the top of worm 95.
It should be noted that, can adjust positioning mechanism 8 through the mounted position adjustment mechanism 9 that sets up, thereby can adjust the position of three location installation cover 82, can make its position corresponding with the installation ear piece 5 position of changer 4 lateral wall, thereby in the routine maintenance process, damage as prior changer 4, and when changer 4 size of changing has changed again, can make positioning mechanism 8 install the changer 4 of multiple different specification and dimension through the mounted position adjustment mechanism 9 that sets up, thereby very big people's use operation of having made things convenient for.
Referring to fig. 7, 8 and 9, the driving mechanism 10 includes a threaded hole 101, a screw 102, a driving disc 103, a sliding rod 104, a sliding hole 105, a driving frame 106, a push-pull baffle 107 and a second rotating block 108, the threaded hole 101 is formed in the middle of one end of the connecting shaft 91, which is far away from the mounting substrate 3, the screw 102 is connected to the inner wall of the threaded hole 101 in a threaded manner, one end of the screw 102, which is far away from the connecting shaft 91, is rotatably connected to the driving disc 103 through a bearing, the sliding rods 104 are fixed to one side of the driving disc 103, which is close to the mounting substrate 3, at equal intervals, the sliding holes 105 are formed in positions, which correspond to the positions of the sliding rods 104, at one end of the connecting shaft 91, which is close to the sliding rods 104, the sliding rods 104 are slidably connected to the inner wall of the sliding holes 105, the driving frame 106 is fixed to the outer wall of the driving disc 103 at equal intervals, one end of the push rod 84, which is close to the driving frame 106, extends to the inner wall of the push-pull baffle 107 is symmetrically fixed to the driving frame 106, the push-pull baffle 107 is matched with the driving frame 106, and a second rotating block 108 is fixed at one end of the screw rod 102 far away from the connecting shaft 91.
It should be noted that the driving mechanism 10 is provided to facilitate the operation of driving the positioning mechanism 8 to complete the installation of the transmitter 4.
Referring to fig. 7 and 9, the anti-slip threads 13 are formed on the outer wall of the first rotating block 96 and the outer wall of the second rotating block 108 at equal intervals, so that the friction force between a human hand and the first rotating block 96 and the second rotating block 108 can be effectively improved, and people can conveniently rotate the first rotating block 96 or the second rotating block 108.
Referring to fig. 8 and 9, a first stabilizing sleeve 14 is fixed in the middle of one side of the worm gear 92, which is far away from the mounting substrate 3, the first stabilizing sleeve 14 is rotatably connected with the outer wall of the connecting shaft 91, so that the stability of the connection between the worm gear 92 and the connecting shaft 91 can be improved, a second stabilizing sleeve 15 is fixed in the middle of one side of the driving disc 103, which is close to the second rotating block 108, the second stabilizing sleeve 15 is rotatably connected with the outer wall of the screw 102, so that the stability of the connection between the driving disc 103 and the screw 102 can be improved.
Referring to fig. 4 and 6, a chamfer is formed at one end of the positioning mounting sleeve 82 close to the transmitter 4, and a chamfer is formed at one end of the inner wall of the mounting lug block 5 close to the mounting substrate 3, so that the mounting lug block 5 can be conveniently sleeved outside the positioning mounting sleeve 82.
In the specific implementation process, as shown in fig. 1 to 11, the invention further provides a dry-type trolley differential pressure detection alarm system, which comprises a control unit 16, a display module 17 and the dry-type trolley differential pressure detection alarm device provided by the invention, wherein the control unit 16 is used for receiving an electric signal provided by the transmitter 4, controlling the operation of the alarm 7 through the control unit 16 and simultaneously transmitting a signal to the display module 17, and the display module 17 is used for receiving data of the control unit 16 and further displaying differential pressure data.
In the specific implementation process, as shown in fig. 1-10, the invention also provides a dry-type trolley differential pressure detection alarm method, which comprises the following steps:
1. when the dry type trolley is used, the dry type trolley main body 1 is used for filtering and collecting waste paint, and in the collecting process, air pressure data on two sides of a filter screen can be detected through the arranged differential pressure sensor 6;
2. the pressure difference sensor 6 transmits the air pressure data on the two sides of the filter screen to the transmitter 4 through a non-electric signal, and the transmitter 4 converts the signal into an electric signal and transmits the electric signal to the control unit 16;
3. the control unit 16 receives the electric signal and transmits the data to the display module 17 for displaying, and when the air pressure difference at the two sides of the filter screen exceeds a set normal value, the control unit 16 sounds the control alarm 7 to remind people that more waste paint is accumulated at one side of the filter screen, so that people are reminded to replace the waste paint in time;
4. when the damaged transmitter 4 is replaced, the driving mechanism 10 is driven to drive the positioning mechanism 8 to unlock, and the damaged transmitter 4 is disassembled;
5. when the size of the replaced transmitter 4 is changed, the positions of the three positioning and mounting sleeves 82 are adjusted to correspond to the mounting lug blocks 5 by driving the mounting position adjusting mechanism 9 to work;
6. and a new transmitter 4 is installed, and the transmitter 4 is fixed by driving the driving mechanism 10 to drive the positioning mechanism 8.
The working principle is as follows:
when the dry type trolley main body 1 is used for filtering and collecting waste paint, the pressure values of the two sides of the filter cotton in the dry type trolley main body 1 can be measured through the arranged pressure difference sensor 6, then the non-electric signals of the pressure values are transmitted to the transmitter 4, the non-electric signals are converted into electric signals through the transmitter 4 and transmitted to the control unit 16, the control unit 16 receives the signals and then performs pressure difference display through the display module 17, and when the pressure difference reaches a set limit value, the control unit 16 controls the alarm 7 to sound so as to remind people of processing the filter cotton;
when the transmitter 4 is maintained, firstly, the transmitter 4 is disassembled, and by rotating the second rotating block 108, the screw 102 is driven to rotate, so that the screw 102 can move towards one side close to the mounting substrate 3 along the threaded hole 101, so that the driving disc 103 can be driven to move towards one side close to the mounting substrate 3, and when the driving disc 103 moves, the sliding rod 104 can slide along the sliding hole 105, so that the three driving frames 106 can be driven to move towards one side close to the mounting substrate 3, so that the push rod 84 can be pushed by matching the push-pull baffle 107 and the driving frame 106, so that the push rod 84 can be pushed to slide towards one side close to the transmitter 4 along the positioning mounting sleeve 82, so that the push rod 84 can pull the first push rod 85 and the second push rod 86, and finally the first push rod 85 and the second push rod 86 are both folded into the driving groove 83, and finally the push rod 84 moves to a position where the push rod 84 cannot move, when the first ejector rod 85 and the second ejector rod 86 are both positioned in the driving groove 83, and the included angle between the first ejector rod and the second ejector rod is arranged in an obtuse angle, namely the joint of the first ejector rod and the second ejector rod is in a state of protruding towards the outer side of the driving groove 83, so that people hold the transmitter 4 and pull the transmitter 4 towards one side far away from the mounting base plate 3, and therefore the three mounting lug blocks 5 are pulled out from the outer side of the positioning mounting sleeve 82, and the dismounting work of the transmitter 4 is completed;
when the transmitter 4 is installed, when the size of the replaced transmitter 4 is changed, the worm 95 is driven to rotate by rotating the first rotating block 96, so that the worm wheel 92 can be driven to rotate, the positioning mounting sleeve 82 can be driven to slide along the slide rail 11 through the matching of the arc-shaped driving groove 93, in the sliding process of the positioning mounting sleeve 82, one end of the push rod 84 can move along the inner wall of the driving frame 106 until the positions of the three positioning mounting sleeves 82 are adjusted to correspond to the positions of the mounting lugs 5, so that the first rotating block 96 stops rotating, and because the transmission mechanism of the worm wheel 92 and the worm 95 has a self-locking function, the adjusted position of the positioning mounting sleeve 82 can be fixed, so that the new installation work of the transmitter 4 is carried out, the three mounting lugs 5 on the new transmitter 4 are sleeved outside the three positioning mounting sleeves 82, until the transmitter 4 is completely sleeved, one side of the transmitter 4 is contacted with the surface of the mounting substrate 3, and then the second rotating block 108 is rotated reversely to drive the screw rod 102 to move to one side far away from the mounting substrate 3 along the threaded hole 101, and finally the push rod 84 is pulled, so that the first ejector rod 85 and the second ejector rod 86 can be rotated finally, and the second ejector rod 86 can be tightly abutted against the inner wall of the mounting lug 5 when being rotated and jacked, so that the mounting work of the transmitter 4 can be completed;
the invention can automatically detect the pressure at two sides of the filter cotton in the dry-type trolley main body 1, can automatically alarm when the pressure difference at two sides is different due to more accumulated waste paint in the filter cotton, can facilitate the disassembly and assembly of the transmitter 4 by people in the daily maintenance process, and can facilitate the replacement and installation of the transmitters 4 with various sizes.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A dry-type trolley differential pressure detection alarm device comprises a dry-type trolley main body (1) and self-locking universal wheels (2), wherein the self-locking universal wheels (2) are fixed on one side of the dry-type trolley main body (1) at equal intervals, the self-locking universal wheels (2) are characterized in that a mounting base plate (3) is fixed on one side of the dry-type trolley main body (1), a transmitter (4) is clamped on one side of the mounting base plate (3), mounting lug blocks (5) are fixed on one side of the transmitter (4) close to the mounting base plate (3) at equal intervals, the three mounting lug blocks (5) are arranged, a differential pressure sensor (6) is fixed on one side of the dry-type trolley main body (1) close to the mounting base plate (3), the detection end of the differential pressure sensor (6) extends into the dry-type trolley main body (1), the differential pressure sensor (6) is electrically connected with the transmitter (4) through a lead, an alarm (7) is fixed on the top of the dry-type trolley main body (1), alarm (7) and changer (4) electric connection, the middle part equidistance of mounting substrate (3) is provided with positioning mechanism (8) that are used for installing changer (4), one side that changer (4) were kept away from in mounting substrate (3) is fixed with mounted position adjustment mechanism (9) that are used for adjusting positioning mechanism (8) according to changer (4) size, one side of mounted position adjustment mechanism (9) is provided with actuating mechanism (10) that are used for driving positioning mechanism (8) work.
2. The dry-type trolley differential pressure detection alarm device according to claim 1, wherein the positioning mechanism (8) comprises an adjusting groove (81), a positioning mounting sleeve (82), a driving groove (83), a push rod (84), a first push rod (85) and a second push rod (86), the adjusting groove (81) is equidistantly formed in the middle of the mounting base plate (3), the inner wall of the adjusting groove (81) is connected with the positioning mounting sleeve (82) in a sliding manner, the three positioning mounting sleeves (82) are respectively inserted into the inner walls of the three mounting lug blocks (5), the driving groove (83) is symmetrically formed in one end, close to the mounting lug blocks (5), of the positioning mounting sleeve (82), the push rod (84) is connected to the inner wall of the positioning mounting sleeve (82) in a sliding manner, one end, close to the driving groove (83), of the push rod (84) is symmetrically and rotatably connected with the first push rod (85) through a shaft pin, one end, far away from the push rod (84), of the first push rod (85) is connected with a second push rod (86) in a rotating mode through a shaft pin, one end, far away from the first push rod (85), of the second push rod (86) is connected with the inner wall of the driving groove (83) in a rotating mode through the shaft pin, and the outer wall of the second push rod (86) is in extrusion contact with the inner wall of the mounting lug block (5).
3. The dry-type trolley differential pressure detection alarm device as claimed in claim 2, wherein the inner wall of the adjusting groove (81) is symmetrically fixed with slide rails (11), the two sides of the positioning and mounting sleeve (82) are symmetrically fixed with slide blocks (12), and the slide blocks (12) are slidably connected with the outer walls of the slide rails (11).
4. The dry-type trolley differential pressure detection alarm device according to claim 3, wherein the installation position adjusting mechanism (9) comprises a connecting shaft (91), a worm gear (92), an arc-shaped driving groove (93), a fixed block (94), a worm (95) and a first rotating block (96), the connecting shaft (91) is fixed in the middle of one side of the installation substrate (3) far away from the transmitter (4), the worm gear (92) is rotatably connected to the outer wall of the connecting shaft (91) through a bearing, the arc-shaped driving grooves (93) are equidistantly formed in the middle of the worm gear (92), the positioning installation sleeve (82) is slidably connected with the inner wall of the arc-shaped driving groove (93), the fixed blocks (94) are symmetrically fixed on one side of the installation substrate (3) close to the connecting shaft (91), and the worm (95) is rotatably connected between the two fixed blocks (94) through the bearing, the worm (95) is meshed with the worm wheel (92), and a first rotating block (96) penetrates through a fixed block (94) and is fixed to the top of the worm (95).
5. The dry-type trolley differential pressure detection and alarm device according to claim 4, wherein the driving mechanism (10) comprises a threaded hole (101), a screw rod (102), a driving disc (103), a sliding rod (104), a sliding hole (105), a driving frame (106), a push-pull baffle (107) and a second rotating block (108), the threaded hole (101) is formed in the middle of one end, away from the mounting substrate (3), of the connecting shaft (91), the screw rod (102) is in threaded connection with the inner wall of the threaded hole (101), the driving disc (103) is in rotational connection with one end, away from the connecting shaft (91), of the screw rod (102) through a bearing, the sliding rod (104) is fixed on one side, close to the mounting substrate (3), of the driving disc (103) at equal intervals, the sliding hole (105) is formed in one end, close to the sliding rod (104), of the connecting shaft (91) corresponding to the position of the sliding rod (104) at equal intervals, and the sliding rod (104) is in sliding connection with the inner wall of the sliding hole (105), the outer wall of the driving disc (103) is equidistantly fixed with driving frames (106), one end, close to the driving frames (106), of the push rod (84) extends to the inner wall of the driving frames (106), one end, close to the driving frames (106), of the push rod (84) is symmetrically fixed with push-pull baffles (107), the push-pull baffles (107) are matched with the driving frames (106), and one end, far away from the connecting shaft (91), of the screw rod (102) is fixed with a second rotating block (108).
6. The dry-type trolley differential pressure detection alarm device as claimed in claim 5, wherein the outer wall of the first rotating block (96) and the outer wall of the second rotating block (108) are provided with anti-skid threads (13) at equal intervals.
7. The dry-type trolley differential pressure detection alarm device as claimed in claim 5, wherein a first stabilizing sleeve (14) is fixed in the middle of one side of the worm gear (92) far away from the mounting base plate (3), the first stabilizing sleeve (14) is rotatably connected with the outer wall of the connecting shaft (91), a second stabilizing sleeve (15) is fixed in the middle of one side of the driving disc (103) close to the second rotating block (108), and the second stabilizing sleeve (15) is rotatably connected with the outer wall of the screw (102).
8. The dry-type trolley differential pressure detection alarm device as claimed in claim 2, wherein one end of the positioning and mounting sleeve (82) close to the transmitter (4) is provided with a chamfer, and one end of the inner wall of the mounting lug block (5) close to the mounting base plate (3) is provided with a chamfer.
9. A dry-type trolley differential pressure detection alarm system is characterized by comprising a control unit (16), a display module (17) and the dry-type trolley differential pressure detection alarm device according to any one of claims 2 to 8, wherein the control unit (16) is used for receiving an electric signal provided by a transmitter (4), controlling the operation of an alarm (7) through the control unit (16) and simultaneously transmitting a signal to the display module (17), and the display module (17) is used for receiving data of the control unit (16) and further displaying differential pressure data.
10. A dry type trolley differential pressure detection alarm method, based on the dry type trolley differential pressure detection alarm system as claimed in claim 9, characterized in that the method comprises the following steps:
1) when the dry type trolley is used, the dry type trolley main body (1) is used for filtering and collecting waste paint, and in the collecting process, air pressure data on two sides of the filter screen can be detected through the arranged differential pressure sensor (6);
2) the pressure difference sensor (6) transmits the air pressure data on the two sides of the filter screen to the transmitter (4) through a non-electric signal, and the transmitter (4) converts the signal into an electric signal and transmits the electric signal to the control unit (16);
3) the control unit (16) receives the electric signal and transmits the data to the display module (17) for displaying, and when the air pressure difference on the two sides of the filter screen exceeds a set normal value, the control unit (16) sounds the control alarm (7) to remind people that more waste paint is accumulated on one side of the filter screen, so that the people are reminded of replacing the filter screen in time;
4) when the damaged transmitter (4) is replaced, the driving mechanism (10) is driven to drive the positioning mechanism (8) to unlock, and the damaged transmitter (4) is disassembled;
5) when the size of the replaced transmitter (4) is changed, the mounting position adjusting mechanism (9) is driven to work, and the positions of the three positioning mounting sleeves (82) are adjusted to correspond to the mounting lug blocks (5);
6) and then installing a new transmitter (4), and driving a positioning mechanism (8) to fix the transmitter (4) through a driving mechanism (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111055190.3A CN113769492A (en) | 2021-09-09 | 2021-09-09 | Dry-type trolley differential pressure detection alarm device, method and system |
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| CN202111055190.3A CN113769492A (en) | 2021-09-09 | 2021-09-09 | Dry-type trolley differential pressure detection alarm device, method and system |
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