CN113176198A - Test device for simulating rain and fog environment - Google Patents
Test device for simulating rain and fog environment Download PDFInfo
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- CN113176198A CN113176198A CN202110549576.3A CN202110549576A CN113176198A CN 113176198 A CN113176198 A CN 113176198A CN 202110549576 A CN202110549576 A CN 202110549576A CN 113176198 A CN113176198 A CN 113176198A
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- 238000012360 testing method Methods 0.000 title claims abstract description 84
- 239000007921 spray Substances 0.000 claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000011045 prefiltration Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
Abstract
The invention relates to the field of test devices for simulating rain and fog environments, in particular to a test device for simulating rain and fog environments. Comprises a frame; the middle part of the spray pipe is in an arc shape, the two ends of the spray pipe are in a coaxial straight pipe shape, the middle part of the spray pipe is provided with a plurality of spray heads which are arranged towards the same direction, and the two ends of the spray pipe are horizontally arranged and are detachably and rotatably connected with the rack; the water source is communicated with the interior of the spraying pipe; and the rotary driver is arranged on the rack, and an output shaft of the rotary driver is in transmission connection with one end of the spray pipe. The invention sprays the test object in multiple angles through the rotatable spray pipe, so that the simulated rain and fog environment is more real, and can also simulate different types of rain and fog environments by adjusting the size of the arc in the middle of the spray pipe, the number of spray heads and the style of the spray heads, and the quick-release design of the spray pipe ensures that the required rain and fog environment can be simulated by quickly switching with the spray pipes with different specifications in the test.
Description
Technical Field
The invention relates to the field of test devices for simulating rain and fog environments, in particular to a test device for simulating rain and fog environments.
Background
In scientific research experiments, the influence of rain and fog environment on test results is often required to be explored. However, the natural weather system cannot be controlled by the will of people, so a set of test device capable of simulating the rain and fog environment needs to be designed.
Disclosure of Invention
In order to solve the technical problem, a test device for simulating a rain and fog environment is provided.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a test device for simulating rain and fog environment comprises,
a frame;
the middle part of the spray pipe is in an arc shape, the two ends of the spray pipe are in a coaxial straight pipe shape, the middle part of the spray pipe is provided with a plurality of spray heads which are arranged towards the same direction, and the two ends of the spray pipe are horizontally arranged and are detachably and rotatably connected with the rack;
the water source is communicated with the interior of the spraying pipe;
and the rotary driver is arranged on the rack, and an output shaft of the rotary driver is in transmission connection with one end of the spray pipe.
Preferably, the test device further comprises a lifting device, the lifting device comprises,
the supporting seat is fixedly arranged on the rack, and the bottom surface of the supporting seat is fixedly connected with the rack;
the first screw rod is rotatably and vertically arranged on the rack, and the bottom end of the first screw rod is rotatably connected with the supporting seat;
the number of the guide rods is at least four, the guide rods are vertically arranged on the supporting seat, and a base of each guide rod is fixedly connected with the supporting seat;
the fixed seat is arranged at the top end of the guide rod, and the bottom surface of the fixed seat is fixedly connected with the top end of the guide rod;
the ball nut is arranged on the first screw rod and is connected with the first screw rod in a matching way;
the first sliding block is movably arranged on the first screw rod and fixedly connected with the outer side of the ball nut;
the number of the guide sleeves is the same as that of the guide rods, the guide sleeves are arranged on the first sliding block, the inner sides of the guide sleeves are connected with the guide rods in a sliding mode, and the outer sides of the guide sleeves are fixedly connected with the first sliding block;
the coupler is arranged at the top end of the first screw rod, and the bottom end of the coupler is in transmission connection with the first screw rod;
the output end of the first motor is arranged on the fixed seat in a downward mode, and the output end of the first motor is in transmission connection with the top end of the coupler.
Preferably, the two ends of the spray pipe are symmetrically provided with first flanges, the first flanges are provided with through holes along the axis, the rotary driver comprises,
the second motor is fixedly arranged on the first sliding block;
the driving gear is arranged on the output end of the second motor and is in transmission connection with the output end of the second motor;
the first bearing seat is fixedly arranged on the first sliding block;
the first bearing is fixedly arranged in the first bearing seat;
the transmission rod is inserted in the first bearing and is in transmission connection with the first bearing, a through hole is formed in the transmission rod along the axis, and one end of the transmission rod is communicated with a water source;
the driven gear is fixedly arranged at one end of the transmission rod and is meshed with the driving gear;
the second flange is fixedly arranged at the other end of the transmission rod and fixedly connected with the transmission rod, and a through hole is formed in the second flange along the axis.
Preferably, the rotary drive further comprises,
the second bearing block is arranged on the frame;
the second bearing is arranged on the second bearing seat and is fixedly connected with the second bearing seat;
the connecting rod is transversely inserted into the second bearing and is in transmission connection with the second bearing;
and the third flange is arranged at one end of the connecting rod, which is far away from the second bearing, and is in transmission connection with the connecting rod.
Preferably, the lifting device further comprises,
the upright post is arranged on the rack;
the first sliding rail is arranged on the upright post along the height direction of the upright post and is fixedly connected with the upright post;
the second sliding block is arranged on the first sliding rail, the second sliding block and the first sliding block are always kept horizontally parallel, the second sliding block is in sliding fit with the first sliding rail, and the second sliding block is fixedly connected with the second bearing seat.
Preferably, the test device further comprises,
the supercharging equipment is fixedly arranged on the rack, and the input end of the supercharging equipment is connected with a water source;
the connecting pipe is arranged at the output end of the supercharging equipment, one end of the connecting pipe is fixedly connected with the output end of the supercharging equipment, and the other end of the connecting pipe is rotatably connected with the transmission rod.
Preferably, the testing device further comprises a stabilizing mechanism, the stabilizing mechanism comprises,
the first base is a cuboid and is arranged on the bottom surface of the rack, and the top surface of the first base is fixedly connected with the bottom surface of the rack;
the second base is a cuboid and is arranged on the bottom surface of the upright post, and the top surface of the second base is fixedly connected with the bottom surface of the upright post;
the two second sliding rails are respectively arranged on the side surface of the first base in a surrounding manner and on the side surface of the second base in a surrounding manner;
the number of the third sliding blocks is at least eight, the third sliding blocks are arranged on the second sliding rails, and at least one third sliding block is arranged on the second sliding rail on each side surface of the first base and the second base;
the number of the locking nuts is at least one time of that of the third sliding blocks, each third sliding block is at least transversely provided with one locking nut, and the side surface of each locking nut is fixedly connected with the side surface of each third sliding block;
the number of the second screw rods is the same as that of the third slide blocks, the second screw rods are vertically inserted into the locking nuts, and the second screw rods are in threaded connection with the locking nuts;
the rubber stabilizer blade, rubber stabilizer blade quantity is the same with second lead screw quantity, and the rubber stabilizer blade sets up in the bottom of second lead screw, rubber stabilizer blade and second lead screw fixed connection.
Preferably, the test device further comprises,
the first universal wheels are at least four, the four first universal wheels are arranged on the bottom surface of the first base in a central symmetry manner, and the top surfaces of the first universal wheels are fixedly connected with the bottom surface of the first base;
the second universal wheels are arranged at least four, the four second universal wheels are arranged on the bottom surface of the second base in central symmetry, and the top surfaces of the second universal wheels are fixedly connected with the bottom surface of the second base.
Preferably, the test device further comprises,
the pre-filter is arranged at the input end of the supercharging equipment, and the output end of the pre-filter is fixedly connected with the input end of the supercharging equipment.
Preferably, the first flange is provided with a first groove, the second flange is provided with a second groove, one end of the connecting pipe connected with the transmission rod is provided with a third groove, one end of the transmission rod connected with the connecting pipe is provided with a fourth groove, the test device also comprises,
the sealing ring is arranged on the first groove and is in clearance fit with the first groove and the second groove respectively;
and the rotary seal is arranged on the third groove, the inner ring of the rotary seal is fixedly connected with the third groove, and the outer ring of the rotary seal is fixedly connected with the fourth groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention sprays the test object in multiple angles through the rotatable spray pipe, so that the simulated rain and fog environment is more real;
2. the invention can simulate most of the rain and fog environment in nature according to the test requirements by adjusting the size of the arc in the middle of the spray pipe, the number of spray heads and the style of the spray heads;
3. the invention can simulate the needed rain and fog environment by fast switching with the spray pipes with different specifications in the test through the spray pipes which are convenient to disassemble;
4. the invention can adjust the spraying height of the test device according to the size and height of the test object through the lifting equipment;
5. the test device can be suitable for various water sources through the supercharging equipment, and the rain and fog environment can be simulated according to the test requirement no matter the municipal water or the water storage device;
6. according to the invention, the test device can deal with different ground conditions through the stabilizing mechanism, and even if the bottom surface of a test area is uneven, the spray pipes can be kept horizontally parallel through the adjustment of the stabilizing mechanism, so that the accuracy of test data is increased and the test device is more stable in the rotating process;
7. according to the invention, the first universal wheel and the second universal wheel are used for facilitating the movement of the weighing test device;
8. according to the invention, the front-end of the supercharging equipment is provided with the pre-filter, so that the test device can filter and remove most of large granular substances such as silt, rust and the like in a water source, the purity of the water source is ensured, the possibility of scrapping of the supercharging equipment due to impurities in the water source is reduced, the possibility of blocking of a spray head by the impurities in the water source is also reduced, and the service life of the test device is prolonged;
9. according to the invention, the sealing ring is arranged between the first flange and the second flange which need to be frequently disassembled, so that liquid leakage caused by incapability of fitting the first flange and the second flange due to abrasion is reduced, and the rotary seal is arranged between the connecting pipe and the transmission rod, so that liquid leakage caused by rotation of the transmission rod is reduced.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a first perspective view of the present invention;
FIG. 6 is a second perspective view of the present invention;
FIG. 7 is a perspective view of the lift device of the present invention;
FIG. 8 is a perspective view of the rotary drive of the present invention;
FIG. 9 is a top view of the rotary drive, seal ring and rotary seal of the present invention;
FIG. 10 is a cross-sectional view at section A-A of FIG. 9;
FIG. 11 is a front view of the rotary drive of the present invention;
FIG. 12 is a cross-sectional view at section B-B of FIG. 11;
FIG. 13 is a rear view of the connecting tube of the present invention;
FIG. 14 is a left side view of the shower of the present invention;
the reference numbers in the figures are:
1-a spray pipe; 1 a-a shower head; 1 b-a first flange; 1b1 — first slot;
2-a rotary drive; 2 a-a second motor; 2 b-a drive gear; 2 c-a first bearing seat; 2 d-a first bearing; 2 e-a transmission rod; 2e 1-fourth slot; 2 f-driven gear; 2 g-a second flange; 2g 1-second tank; 2 h-second bearing; 2 i-a second bearing housing; 2 j-link; 2 k-third flange;
3-a lifting device; 3 a-a support seat; 3 b-a first screw rod; 3 c-a guide bar; 3 d-fixing seat; 3 e-ball nut; 3 f-a first slider; 3 g-guide sleeve; 3 h-a coupler; 3 i-a first motor; 3 j-column; 3 k-a first slide rail; 3 m-second slider;
4-a pressure boosting device;
5-connecting pipe; 5 a-a third tank;
6-a stabilizing mechanism; 6 a-a first base; 6 b-a second base; 6 c-a second slide rail; 6 d-third slider; 6 e-a lock nut; 6 f-a second screw rod; 6 g-rubber foot;
7-a first universal wheel;
8-a second universal wheel;
9-a pre-filter;
10-a sealing ring;
11-rotating seal.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
In order to solve the technical problem of how to simulate the rain and fog environment for the test, as shown in fig. 1 to 5, the following technical scheme is provided:
a test device for simulating rain and fog environment comprises,
a frame;
the middle part of the spray pipe 1 is in an arc shape, the two ends of the spray pipe 1 are in coaxial straight pipe shapes, the middle part of the spray pipe 1 is provided with a plurality of spray heads 1a which are arranged towards the same direction, and the two ends of the spray pipe 1 are horizontally arranged and are detachably and rotatably connected with the rack;
a water source (not shown in the figure) which is communicated with the interior of the spray pipe 1;
and the rotary driver 2 is arranged on the rack, and an output shaft of the rotary driver 2 is in transmission connection with one end of the spray pipe 1.
Specifically, shower 1 is used for turning into the water source experimental required form and sprays on the test object, and rotary actuator 2 is used for rotatory shower 1, and multi-angle sprays the water source on the test object to simulate out in the strong wind and rain day, the rainwater is from each angle to the influence of experimental object. The staff can be according to the circular arc size at different rain and fog weather's characteristic to shower 1 middle part, shower 1a quantity and shower 1a style are adjusted, thereby predetermine the shower 1 of multiple different specifications, the bend radius who enlarges or reduces the arc shape can make the rain and fog scope of simulating change, the quantity that increases or reduces shower 1a can make the rain and fog density of simulating change, the form that uses different kinds of shower 1a can make the water source conversion changes. In the test, when the test in one stage is completed and the test needs to be switched to different rain and fog environments, only the spray pipes 1 with corresponding specifications need to be replaced.
Further:
in order to solve the technical problem of how to conveniently and efficiently adjust the height of the test area, as shown in fig. 7, the following technical solutions are provided:
the test device also comprises a lifting device 3, the lifting device 3 comprises,
the supporting seat 3a is fixedly arranged on the rack, and the bottom surface of the supporting seat 3a is fixedly connected with the rack;
the first screw rod 3b is rotatably and vertically arranged on the rack, and the bottom end of the first screw rod 3b is rotatably connected with the supporting seat 3 a;
the number of the guide rods 3c is at least four, the guide rods 3c are vertically arranged on the supporting seat 3a, and the base of each guide rod 3c is fixedly connected with the supporting seat 3 a;
the fixed seat 3d is arranged at the top end of the guide rod 3c, and the bottom surface of the fixed seat 3d is fixedly connected with the top end of the guide rod 3 c;
the ball nut 3e is installed on the first screw rod 3b, and the ball nut 3e is connected with the first screw rod 3b in a matched mode;
the first sliding block 3f is movably arranged on the first screw rod 3b, and the first sliding block 3f is fixedly connected with the outer side of the ball nut 3 e;
the number of the guide sleeves 3g is the same as that of the guide rods 3c, the guide sleeves 3g are arranged on the first sliding block 3f, the inner sides of the guide sleeves 3g are connected with the guide rods 3c in a sliding mode, and the outer sides of the guide sleeves 3g are fixedly connected with the first sliding block 3 f;
the coupler 3h is arranged at the top end of the first screw rod 3b, and the bottom end of the coupler 3h is in transmission connection with the first screw rod 3 b;
the first motor 3i, the setting that first motor 3i output end is down on fixing base 3d, and the output of first motor 3i is connected with the top transmission of shaft coupling 3 h.
Specifically, first motor 3i drives shaft coupling 3h rotatory, and shaft coupling 3h drives first lead screw 3b rotatory, and rotary motion is turned into linear motion with ball nut 3e and the cooperation of first lead screw 3b, and first slider 3f follows ball nut 3e oscilaltion under the restriction of guide post, accomplishes the adjustment to rotation driver 2 height.
Further:
in order to solve the technical problem of how to drive the shower pipe 1 to rotate along the axis, as shown in fig. 1-2 and 8, the following technical scheme is provided:
the two ends of the spray pipe 1 are symmetrically provided with first flanges 1b, the first flanges 1b are provided with through holes along the axial line, the rotary driver 2 comprises,
the second motor 2a is fixedly arranged on the first sliding block 3 f;
the driving gear 2b is arranged at the output end of the second motor 2a, and the driving gear 2b is in transmission connection with the output end of the second motor 2 a;
the first bearing seat 2c is fixedly arranged on the first sliding block 3 f;
a first bearing 2d, the first bearing 2d being fixedly disposed within the first bearing housing 2 c;
the transmission rod 2e is inserted into the first bearing 2d, the transmission rod 2e is in transmission connection with the first bearing 2d, a through hole is formed in the transmission rod 2e along the axis, and one end of the transmission rod 2e is communicated with a water source;
the driven gear 2f is fixedly arranged at one end of the transmission rod 2e, and the driven gear 2f is meshed with the driving gear 2 b;
the second flange 2g, the fixed setting of second flange 2g is at the other end of transfer line 2e, second flange 2g and transfer line 2e fixed connection, and second flange 2g is equipped with the through-hole along the axis.
Specifically, first bearing frame 2c is used for supporting first bearing 2d, first bearing 2d is used for supporting transfer line 2e and can be rotatory along the axis on first slider 3f, second motor 2a drive driving gear 2b is rotatory, driving gear 2b drives driven gear 2f and rotates, driven gear 2f drives transfer line 2e that links to each other with it and rotates along the axis, transfer line 2e drives second flange 2g and rotates, second flange 2g is used for connecting the first flange 1b of shower 1 one end, the water source passes through transfer line 2e and second flange 2g and transmits to shower 1 in, second flange 2g drives shower 1 and rotates along the axis, make shower 1 can the multi-angle spray the experimental object.
Further:
in order to solve the technical problem of how to detachably and rotatably connect the other end of the shower pipe 1 with the rack when the rotary driver 2 drives one end of the shower pipe 1 to rotate, as shown in fig. 6, the following technical solutions are provided:
the rotary drive 2 also comprises a rotary drive,
the second bearing block 2i, the second bearing block 2i is set up on the stander;
the second bearing 2h is arranged on the second bearing seat 2i, and the second bearing 2h is fixedly connected with the second bearing seat 2 i;
the connecting rod 2j is transversely inserted into the second bearing 2h, and the connecting rod 2j is in transmission connection with the second bearing 2 h;
and the third flange 2k is arranged at one end of the connecting rod 2j, which is far away from the second bearing 2h, and the third flange 2k is in transmission connection with the connecting rod 2 j.
Specifically, the second bearing seat 2i is used for supporting the second bearing 2h, the connecting rod 2j is used for connecting the second bearing 2h and the third flange 2k, the third flange 2k is rotatably arranged on the rack, the third flange 2k is used for connecting the first flange 1b, and one end, which is not connected with the second flange 2g, of the spray pipe 1 is detachably connected with the rack in a transmission manner.
Further:
in order to solve the technical problem that the shower pipe 1 can be kept in a horizontal state when being lifted, as shown in fig. 5, the following technical scheme is provided:
the lifting device 3 also comprises a lifting device,
the upright post 3j is arranged on the frame;
the first sliding rail 3k is arranged on the upright post 3j along the height direction of the upright post 3j, and the first sliding rail 3k is fixedly connected with the upright post 3 j;
Specifically, the upright post 3j is used for supporting a first slide rail 3k, the first slide rail 3k is matched with a second slide block 3m to enable a second bearing seat 2i to slide on the first upright post 3j along the height direction, and when the second motor 2a drives the first slide block 3f to move up and down, the second slide block 3m can also move up and down along with the first slide block 3f, so that the shower pipe 1 is kept to horizontally ascend or descend.
Further:
in order to solve the technical problem that the water pressure of a water source cannot meet the requirement of simulating a rain and fog environment, the following technical scheme is provided as shown in figures 1-3:
the test apparatus may further comprise a test unit,
the supercharging device 4 is fixedly arranged on the rack, and the input end of the supercharging device 4 is connected with a water source;
and the connecting pipe 5 is arranged at the output end of the supercharging equipment 4, one end of the connecting pipe 5 is fixedly connected with the output end of the supercharging equipment 4, and the other end of the connecting pipe 5 is rotatably connected with the transmission rod 2 e.
Specifically, supercharging device 4 is preferably booster water pump, and supercharging device 4 is used for the water pressure boost to the experimental required water pressure at water source, adjusts supercharging device 4's gear according to simulation rain and fog environment difference, needs to increase the rainfall then control supercharging device 4 and increase water source water pressure, otherwise reduces water source water pressure, and connecting pipe 5 is used for transmitting the water source after adjusting pressure to rotary actuator 2.
Further:
in order to solve the technical problem that the shaking of the test device during rotation can affect the test result, as shown in fig. 1-5, the following technical scheme is provided:
the testing device also comprises a stabilizing mechanism 6, the stabilizing mechanism 6 comprises,
the first base 6a is a cuboid, the first base 6a is arranged on the bottom surface of the rack, and the top surface of the first base 6a is fixedly connected with the bottom surface of the rack;
the second base 6b is a cuboid, the second base 6b is arranged on the bottom surface of the upright post 3j, and the top surface of the second base 6b is fixedly connected with the bottom surface of the upright post 3 j;
two second slide rails 6c are arranged, and the two second slide rails 6c are respectively arranged on the side surface of the first base 6a in a surrounding manner and the side surface of the second base 6b in a surrounding manner;
the number of the third sliding blocks 6d is at least eight, the third sliding blocks 6d are arranged on the second sliding rails 6c, and at least one third sliding block 6d is arranged on the second sliding rail 6c on each side surface of the first base 6a and the second base 6 b;
the number of the locking nuts 6e is at least one time of that of the third sliding blocks 6d, each third sliding block 6d is at least transversely provided with one locking nut 6e, and the side surface of each locking nut 6e is fixedly connected with the side surface of each third sliding block 6 d;
the number of the second screw rods 6f is the same as that of the third slide blocks 6d, the second screw rods 6f are vertically inserted into the locking nuts 6e, and the second screw rods 6f are in threaded connection with the locking nuts 6 e;
the rubber support legs 6g, the rubber support legs 6g quantity is the same with second lead screw 6f quantity, and the rubber support legs 6g set up the bottom at second lead screw 6f, rubber support legs 6g and second lead screw 6f fixed connection.
Specifically, the supporting point of the base can be avoided and adjusted according to the actual situation of the laboratory ground through the sliding fit of the third sliding block 6d and the second sliding rail 6c, the locking nut 6e and the second screw rod 6f can be adjusted according to the difference of the ground height, the testing device is kept horizontally parallel, and the rubber support leg 6g reduces the displacement caused by shaking generated during the working of the testing device.
Further:
in order to solve the technical problem if the test device is moved, as shown in fig. 1, the following technical solutions are provided:
the test apparatus may further comprise a test unit,
the first universal wheels 7 are provided with at least four first universal wheels 7, the four first universal wheels 7 are arranged on the bottom surface of the first base 6a in a centrosymmetric manner, and the top surfaces of the first universal wheels 7 are fixedly connected with the bottom surface of the first base 6 a;
the number of the second universal wheels 8 is at least four, the four second universal wheels 8 are arranged on the bottom surface of the second base 6b in a centrosymmetric mode, and the top surfaces of the second universal wheels 8 are fixedly connected with the bottom surface of the second base 6 b.
Specifically, when the test device needs to be moved, the second lead screw 6f is rotated to enable the rubber support leg 6g to move upwards, the base is supported by the first universal wheel 7 and the second universal wheel 8 instead of the rubber support leg 6g, when the test device moves to a required position, the second lead screw 6f is rotated again to enable the rubber support leg 6g to move downwards, and the test device is supported by the rubber support leg 6g to complete the movement of the test device.
Further:
in order to solve the technical problem that the spray header 1a is blocked or the supercharging equipment 4 is damaged due to the fact that impurities in a water source are too much, the following technical scheme is provided as shown in figures 1-4:
the test apparatus may further comprise a test unit,
the pre-filter 9, the pre-filter 9 is arranged on the input end of the supercharging device 4, and the output end of the pre-filter 9 is fixedly connected with the input end of the supercharging device 4.
Specifically, the prefilter 9 is used for filtering a water source, removing large particulate matters such as silt and rust in the water source, and reducing the damage of the large particulate matters such as silt and rust in the water source to the supercharging device 4 and the blockage of the shower head 1 a.
Further:
in order to solve the technical problem of the connection tightness among the supercharging device 4, the rotary driver 2 and the shower pipe 1, as shown in fig. 10 to 14, the following technical scheme is provided:
the first flange 1b is provided with a first groove 1b1, the second flange 2g is provided with a second groove 2g1, one end of the connecting pipe 5 connected with the transmission rod 2e is provided with a third groove 5a, one end of the transmission rod 2e connected with the connecting pipe 5 is provided with a fourth groove 2e1, the test device also comprises,
the sealing ring 10 is arranged on the first groove 1b1, and the sealing ring 10 is in clearance fit with the first groove 1b1 and the second groove 2g1 respectively;
and the rotary seal 11 is arranged on the third groove 5a, the inner ring of the rotary seal 11 is fixedly connected with the third groove 5a, and the outer ring of the rotary seal 11 is fixedly connected with the fourth groove 2e 1.
Specifically, the shower 1 of different specifications need be changed according to the experimental requirement of difference to the testing arrangement, and first flange 1b and second flange 2g need often dismouting, and sealing washer 10 has increased the leakproofness between first flange 1b and the second flange 2g, has reduced the weeping that leads to because of the grinding of long-term dismouting. When the test device works, the connecting pipe 5 cannot rotate along with the transmission rod 2e, the rotary seal 11 is used for increasing the sealing performance between the connecting pipe 5 and the transmission rod 2e, and liquid leakage caused by rotation of the transmission rod 2e is reduced.
The working principle of the invention is as follows:
firstly, a worker adjusts a stabilizing mechanism 6 to enable a test device to keep horizontal parallelism;
step two, the lifting equipment 3 drives the rotary driver 2 to move to the height required by the test;
thirdly, connecting the spray pipe 1 with the corresponding specification into a test device by a worker according to the environment required by the test;
step four, the pressurizing equipment 4 pressurizes the water pressure of the water source to the water pressure required by the test and transmits the water pressure to the spray pipe 1 through the connecting pipe 5 and the rotary driver 2;
and fifthly, the rotary driver 2 drives the spray pipe 1 to rotate, the spray pipe 1 converts the water source into a form required by the test and sprays the form on the test object, and the rain and fog environment required by the test is simulated.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A test device for simulating a rain and fog environment is characterized by comprising,
a frame;
the middle part of the spray pipe (1) is in an arc shape, the two ends of the spray pipe (1) are in a coaxial straight pipe shape, the middle part of the spray pipe (1) is provided with a plurality of spray heads (1a) which are arranged towards the same direction, and the two ends of the spray pipe (1) are horizontally arranged and are detachably and rotatably connected with the rack;
the water source is communicated with the interior of the spray pipe (1);
the rotary driver (2) is arranged on the rack, and an output shaft of the rotary driver (2) is in transmission connection with one end of the spray pipe (1).
2. A test rig for simulating a rain and fog environment according to claim 1, characterized in that the test rig further comprises a lifting device (3), the lifting device (3) comprising,
the supporting seat (3a) is fixedly arranged on the rack, and the bottom surface of the supporting seat (3a) is fixedly connected with the rack;
the first screw rod (3b) is rotatably and vertically arranged on the rack, and the bottom end of the first screw rod (3b) is rotatably connected with the supporting seat (3 a);
the number of the guide rods (3c) is at least four, the guide rods (3c) are vertically arranged on the supporting seat (3a), and the base of each guide rod (3c) is fixedly connected with the supporting seat (3 a);
the fixing seat (3d) is arranged at the top end of the guide rod (3c), and the bottom surface of the fixing seat (3d) is fixedly connected with the top end of the guide rod (3 c);
the ball nut (3e) is installed on the first screw rod (3b), and the ball nut (3e) is connected with the first screw rod (3b) in a matched mode;
the first sliding block (3f) is movably arranged on the first screw rod (3b), and the first sliding block (3f) is fixedly connected with the outer side of the ball nut (3 e);
the number of the guide sleeves (3g) is the same as that of the guide rods (3c), the guide sleeves (3g) are arranged on the first sliding block (3f), the inner sides of the guide sleeves (3g) are connected with the guide rods (3c) in a sliding mode, and the outer sides of the guide sleeves (3g) are fixedly connected with the first sliding block (3 f);
the coupler (3h) is arranged at the top end of the first screw rod (3b), and the bottom end of the coupler (3h) is in transmission connection with the first screw rod (3 b);
the output end of the first motor (3i) is arranged on the fixed seat (3d) downwards, and the output end of the first motor (3i) is in transmission connection with the top end of the coupler (3 h).
3. A test device for simulating a rain and fog environment according to claim 1, wherein the two ends of the spray pipe (1) are symmetrically provided with first flanges (1b), the first flanges (1b) are provided with through holes along the axis, the rotary driver (2) comprises,
the second motor (2a), the second motor (2a) is fixedly arranged on the first slide block (3 f);
the driving gear (2b) is arranged at the output end of the second motor (2a), and the driving gear (2b) is in transmission connection with the output end of the second motor (2 a);
the first bearing seat (2c), the first bearing seat (2c) is fixedly arranged on the first sliding block (3 f);
the first bearing (2d), the first bearing (2d) is fixedly arranged in the first bearing seat (2 c);
the transmission rod (2e) is inserted into the first bearing (2d), the transmission rod (2e) is in transmission connection with the first bearing (2d), a through hole is formed in the transmission rod (2e) along the axis, and one end of the transmission rod (2e) is communicated with a water source;
the driven gear (2f) is fixedly arranged at one end of the transmission rod (2e), and the driven gear (2f) is meshed with the driving gear (2 b);
the second flange (2g), the fixed other end that sets up at transfer line (2e) of second flange (2g), second flange (2g) and transfer line (2e) fixed connection, second flange (2g) are equipped with the through-hole along the axis.
4. A test device for simulating a rain and fog environment according to claim 3, wherein the rotary actuator (2) further comprises,
the second bearing block (2i), the second bearing block (2i) is set up on the framework;
the second bearing (2h), the second bearing (2h) is set up on the second bearing seat (2i), the second bearing (2h) and second bearing seat (2i) fixed connection;
the connecting rod (2j) is transversely inserted into the second bearing (2h), and the connecting rod (2j) is in transmission connection with the second bearing (2 h);
and the third flange (2k), the third flange (2k) is arranged at one end of the connecting rod (2j) far away from the second bearing (2h), and the third flange (2k) is in transmission connection with the connecting rod (2 j).
5. A test rig for simulating a rain and fog environment according to claim 3, characterized in that the lifting device (3) further comprises,
the upright post (3j), the upright post (3j) is arranged on the frame;
the first sliding rail (3k) is arranged on the upright post (3j) along the height direction of the upright post (3j), and the first sliding rail (3k) is fixedly connected with the upright post (3 j);
second slider (3m), second slider (3m) set up on first slide rail (3k), and second slider (3m) and first slider (3f) remain the level parallel throughout, second slider (3m) and first slide rail (3k) sliding fit, second slider (3m) and second bearing frame (2i) fixed connection.
6. A test device for simulating a rain and fog environment as claimed in claim 1, wherein the test device further comprises,
the pressurizing equipment (4), the pressurizing equipment (4) is fixedly arranged on the rack, and the input end of the pressurizing equipment (4) is connected with a water source;
the connecting pipe (5), connecting pipe (5) set up the output at supercharging equipment (4), the one end of connecting pipe (5) and the output fixed connection of supercharging equipment (4), the other end and the rotatable connection of transfer line (2e) of connecting pipe (5).
7. A test device for simulating a rain and fog environment according to claim 1, characterized in that the test device further comprises a stabilizing mechanism (6), the stabilizing mechanism (6) comprising,
the first base (6a), the first base (6a) is a cuboid, the first base (6a) is arranged on the bottom surface of the rack, and the top surface of the first base (6a) is fixedly connected with the bottom surface of the rack;
the second base (6b), the second base (6b) is a cuboid, the second base (6b) is arranged on the bottom surface of the upright post (3j), and the top surface of the second base (6b) is fixedly connected with the bottom surface of the upright post (3 j);
two second sliding rails (6c), wherein the two second sliding rails (6c) are respectively arranged on the side surface of the first base (6a) in a surrounding manner and the side surface of the second base (6b) in a surrounding manner;
the number of the third sliding blocks (6d) is at least eight, the third sliding blocks (6d) are arranged on the second sliding rails (6c), and at least one third sliding block (6d) is arranged on the second sliding rail (6c) on each side surface of the first base (6a) and the second base (6 b);
the number of the locking nuts (6e) is at least one time of that of the third sliding blocks (6d), each third sliding block (6d) is at least transversely provided with one locking nut (6e), and the side surface of each locking nut (6e) is fixedly connected with the side surface of each third sliding block (6 d);
the number of the second screw rods (6f) is the same as that of the third slide blocks (6d), the second screw rods (6f) are vertically inserted into the locking nuts (6e), and the second screw rods (6f) are in threaded connection with the locking nuts (6 e);
rubber stabilizer blade (6g), rubber stabilizer blade (6g) quantity is the same with second lead screw (6f) quantity, and rubber stabilizer blade (6g) set up the bottom at second lead screw (6f), rubber stabilizer blade (6g) and second lead screw (6f) fixed connection.
8. A test device for simulating a rain and fog environment as claimed in claim 1, wherein the test device further comprises,
the number of the first universal wheels (7) is at least four, the four first universal wheels (7) are arranged on the bottom surface of the first base (6a) in a centrosymmetric manner, and the top surfaces of the first universal wheels (7) are fixedly connected with the bottom surface of the first base (6 a);
the number of the second universal wheels (8) is at least four, the four second universal wheels (8) are arranged on the bottom surface of the second base (6b) in a centrosymmetric mode, and the top surfaces of the second universal wheels (8) are fixedly connected with the bottom surface of the second base (6 b).
9. A test device for simulating a rain and fog environment as claimed in claim 1, wherein the test device further comprises,
the pre-filter (9), the pre-filter (9) is arranged on the input end of the supercharging equipment (4), and the output end of the pre-filter (9) is fixedly connected with the input end of the supercharging equipment (4).
10. A test device for simulating a rain and fog environment according to claim 1, wherein the first flange (1b) is provided with a first groove (1b1), the second flange (2g) is provided with a second groove (2g1), the end of the connecting pipe (5) connected with the driving rod (2e) is provided with a third groove (5a), the end of the driving rod (2e) connected with the connecting pipe (5) is provided with a fourth groove (2e1), the test device further comprises,
the sealing ring (10) is arranged on the first groove (1b1), and the sealing ring (10) is in clearance fit with the first groove (1b1) and the second groove (2g1) respectively;
and the rotary seal (11), the rotary seal (11) is arranged on the third groove (5a), the inner ring of the rotary seal (11) is fixedly connected with the third groove (5a), and the outer ring of the rotary seal (11) is fixedly connected with the fourth groove (2e 1).
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| CN202110549576.3A CN113176198B (en) | 2021-05-20 | 2021-05-20 | Test device for simulating rain and fog environment |
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| CN113176198B (en) | 2024-04-16 |
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