CN109365026B - Portable comprehensive experiment teaching platform - Google Patents
Portable comprehensive experiment teaching platform Download PDFInfo
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- CN109365026B CN109365026B CN201811514349.1A CN201811514349A CN109365026B CN 109365026 B CN109365026 B CN 109365026B CN 201811514349 A CN201811514349 A CN 201811514349A CN 109365026 B CN109365026 B CN 109365026B
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- 238000002474 experimental method Methods 0.000 title claims abstract description 20
- 238000003860 storage Methods 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 102
- 238000012360 testing method Methods 0.000 claims description 54
- 239000007788 liquid Substances 0.000 claims description 28
- 239000003153 chemical reaction reagent Substances 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 23
- 239000000741 silica gel Substances 0.000 claims description 23
- 229910002027 silica gel Inorganic materials 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 22
- 230000035939 shock Effects 0.000 claims description 21
- 239000007921 spray Substances 0.000 claims description 20
- 238000010521 absorption reaction Methods 0.000 claims description 19
- 239000010410 layer Substances 0.000 claims description 17
- 239000011229 interlayer Substances 0.000 claims description 14
- 238000013016 damping Methods 0.000 claims description 13
- 239000004677 Nylon Substances 0.000 claims description 12
- 238000005253 cladding Methods 0.000 claims description 12
- 229920001778 nylon Polymers 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 7
- 239000002351 wastewater Substances 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 5
- 238000009950 felting Methods 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003028 elevating effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/02—Laboratory benches or tables; Fittings therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/06—Trailers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/06—Trailers
- B62D63/08—Component parts or accessories
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Handcart (AREA)
Abstract
A movable comprehensive experiment teaching platform belongs to the technical field of outdoor movable teaching experiment equipment. The device is characterized by comprising a vehicle plate, wherein a lifting shed body is arranged on the vehicle plate, and a folding type experiment storage device is arranged in the lifting shed body; the bottom of the sweep is provided with an anti-seismic walking device, and the front end of the sweep is provided with a traction fixing device. The invention can help the educators to develop teaching homework outdoors, and educate through lively activities, so that the students can learn knowledge personally on the scene, and feel and know more vividly and deeply.
Description
Technical Field
The invention belongs to the technical field of outdoor mobile teaching experimental equipment, and particularly relates to a mobile comprehensive experiment teaching platform.
Background
Due to the limitation of other teaching facilities such as experimental equipment and the like, the traditional education work only enables teachers and students to explain and demonstrate knowledge in conventional environments such as schools or families. However, for some disciplines such as nature, physics, chemistry, meteorology and the like, the real-time collection of fresh specimens or the observation of environment and climate change is combined with the natural real-scene environment, so that students can understand and experience the knowledge content of the disciplines more deeply.
The test apparatus can not be properly conveyed by adopting the existing transportation tool, the design defects exist on the functions of shock absorption, shock resistance and explosion prevention, and the field demonstration operation is not facilitated.
In view of this, through thinking and designing, the applicant develops a mobile comprehensive experiment teaching platform, which can assist educators in developing teaching operation outdoors.
Disclosure of Invention
The invention aims to provide a mobile comprehensive experiment teaching platform which can assist educators in developing teaching operation outdoors.
In order to solve the technical problems, the technical scheme of the invention is as follows: the movable comprehensive experiment teaching platform is characterized by comprising a vehicle plate, wherein a lifting shed body is arranged on the vehicle plate, and a foldable experiment storage device is arranged in the lifting shed body; the bottom of the sweep is provided with an anti-seismic walking device, and the front end of the sweep is provided with a traction fixing device.
Preferably, the lifting shed body comprises a fixed shed frame and a lifting shed frame, the fixed shed frame comprises a left vertical plate, a right vertical plate and a rear vertical plate, and the left vertical plate and the right vertical plate are respectively and vertically installed and fixed on the left side and the right side of the upper part of the vehicle plate; the rear vertical plate is vertically installed and fixed at the rear side of the upper part of the vehicle plate, and the left side and the right side of the rear vertical plate are respectively connected with the rear side edges of the left vertical plate and the right vertical plate; the lifting shed frame comprises a front lifting plate, a left lifting plate, a right lifting plate, a rear lifting plate and a top plate, the front lifting plate, the left lifting plate, the right lifting plate and the rear lifting plate are enclosed into a square lifting cylinder, and the top plate is arranged at the upper end of the square lifting cylinder; the left lifting plate is connected and installed on the left vertical plate through a left lifting guide device, and the right lifting plate is connected and installed on the right vertical plate through a right lifting guide device;
a rolling door is arranged on the front lifting plate;
the left lifting guide device comprises a left front sliding groove, a left rear sliding groove, a left front sliding block, a left rear sliding block and a plurality of left guide rollers, the left front sliding groove and the left rear sliding groove are longitudinally arranged on the front side and the rear side of the left vertical plate, the left front sliding block and the left rear sliding block are respectively arranged on the lower portions of the front side and the rear side of the right side of the left lifting plate, and the left front sliding block and the left rear sliding block are respectively inserted into the left front sliding groove and the left rear sliding groove; the right side surface of the left lifting plate is transversely provided with a plurality of left guide rollers in parallel from top to bottom, two ends of each left guide roller are respectively installed on the left lifting plate through hinged supports, the left guide rollers can rotate around the central axes of the left guide rollers, the outer ring surface of each left guide roller is coated with a nylon outer cladding layer, and the nylon outer cladding layer of each left guide roller is in contact with the left side surface of the left vertical plate; when the left lifting plate is moved up and down, the left guide roller can be attached to the left side surface of the left vertical plate to roll; the upper end and the lower end of the left vertical plate are respectively provided with a vertical plate upper bolt hole and a vertical plate lower bolt hole, and the lower end of the left lifting plate is provided with a lifting plate bolt hole; when the left bolt is inserted into the bolt hole of the lifting plate and the bolt hole on the vertical plate, the left side of the lifting shed frame can be fixed at the upper limit, and when the left bolt is inserted into the bolt hole of the lifting plate and the bolt hole on the lower side of the vertical plate, the left side of the lifting shed frame can be fixed at the lower limit;
the right lifting guide device comprises a right front sliding groove, a right rear sliding groove, a right front sliding block, a right rear sliding block and a plurality of right guide rollers, the right front sliding groove and the right rear sliding groove are longitudinally arranged on the front side and the rear side of the right vertical plate, the right front sliding block and the right rear sliding block are respectively arranged on the lower parts of the front side and the rear side on the left side of the right lifting plate, and the right front sliding block and the right rear sliding block are respectively inserted into the right front sliding groove and the right rear sliding groove; a plurality of right guide rollers are transversely and parallelly arranged on the left side surface of the right lifting plate from top to bottom, two ends of each right guide roller are respectively installed on the right lifting plate through hinged supports, the right guide rollers can rotate around the central axis of the right guide roller, the outer ring surface of the right guide roller is coated with a nylon outer cladding layer, and the nylon outer cladding layer of the right guide roller is in contact with the right side surface of the right vertical plate; when the right lifting plate is moved up and down, the right guide roller can be attached to the right side surface of the right vertical plate to roll; the upper end and the lower end of the right vertical plate are respectively provided with a vertical plate upper bolt hole and a vertical plate lower bolt hole, and the lower end of the right lifting plate is provided with a lifting plate bolt hole; when the right bolt is inserted into the bolt hole of the lifting plate and the bolt hole on the vertical plate, the right side of the lifting shed frame can be fixed at the upper limit, and when the right bolt is inserted into the bolt hole of the lifting plate and the bolt hole on the lower side of the vertical plate, the right side of the lifting shed frame can be fixed at the lower limit; and a lifting handle is arranged on the right side surface of the right lifting plate.
Preferably, a hollow interlayer is arranged in the vehicle plate, a pulling plate is arranged in the hollow interlayer, a pulling plate outlet is formed in the right end of the hollow interlayer, and the pulling plate can be pulled out from the pulling plate outlet; the drawing plate comprises a left drawing plate and a right drawing plate, and the right end of the left drawing plate is hinged and fixed with the left end of the right drawing plate through a drawing plate hinge shaft; the left end of the left drawing plate can not be completely drawn out of the hollow interlayer, when the left drawing plate is drawn out rightwards to the limit position, the left drawing plate can still be kept in a horizontal state, and at the moment, the right drawing plate is inclined downwards to land.
Preferably, the foldable experimental storage device comprises a test bed, a test frame and an anti-collision type test reagent storage bin, wherein two sides of the test bed are arranged on a vehicle plate through a left support plate and a right support plate, the test frame is arranged on the test bed, and the anti-collision type test reagent storage bin is arranged between the left support plate and the right support plate at the lower part of the test bed;
the test bed comprises a test table board, an experimental water tank and an intelligent water inlet and outlet system, wherein the experimental water tank is embedded into the front end of the test table board; the intelligent water inlet and outlet system comprises a main water inlet pipe, a first branch water pipe, a second branch water pipe, a rotary faucet, a spray pipe and a drain pipe, wherein the main water inlet pipe is arranged on the left side of the test table board, the front end of the main water inlet pipe is provided with a water inlet joint, the rear end of the main water inlet pipe is connected with the front ends of the first branch water pipe and the second branch water pipe through a pipeline three-way connector, and the first branch water pipe and the second branch water pipe are respectively provided with a first water path electromagnetic valve and a second water path electromagnetic valve; the first waterway electromagnetic valve and the second waterway electromagnetic valve are controlled to be opened and closed through a first waterway electromagnetic valve control switch and a second waterway electromagnetic valve control switch respectively; the rear end of the first water branch pipe is connected with a rotary water faucet, the rotary water faucet can extend above the experimental water tank when rotating to an upper limit position, and the rotary water faucet can be accommodated in the experimental water tank when rotating to a lower limit position; the rear end of the second branch water pipe is connected with the lower end of a spray pipe, the upper end of the spray pipe is connected with an upward spray head, and the spray head can spray upwards and is arranged in an experimental water tank; the bottom of the experimental water tank is provided with a water outlet which is connected with the front end of a water drainage pipe, and the rear end of the water drainage pipe is connected with a waste water tank or provided with a water drainage valve.
Preferably, the test stand comprises a flat plate and more than three support vertical plates, each support vertical plate is arranged in parallel, the lower ends of the support vertical plates are hinged to the test stand through right-angle hinged hinges, and the opening and closing angle range of the right-angle hinged hinges is 0-90 degrees; the upper end of the support vertical plate is hinged to the bottom of the flat plate; a stay cord through hole is formed in the middle of each support vertical plate; a stay cord motor is arranged on the right side of the test bed, a winding wheel is arranged on a motor shaft of the stay cord motor, the front end of a stay cord is wound on the winding wheel, the rear end of the stay cord penetrates through stay cord through holes of the support vertical plates from right to left, and stay cord baffles with the same number as the support vertical plates are fixed on the stay cord; when the pull rope motor is started to drive the winding wheel to rotate in the forward direction, the winding wheel can tighten the pull rope, the pull rope drives each support vertical plate to rotate through the pull rope baffle plate until the right-angle hinged hinge is opened to 90 degrees, each support vertical plate is in a vertical state, and the flat plate is in a horizontal state at the moment; when starting the stay cord motor and driving the reel reverse rotation, the stay cord can be loosened to the reel, and each support riser can rotate and tile on the laboratory bench under dull and stereotyped action of gravity.
Preferably, the anti-collision test reagent storage bin comprises a collision sensor and a plurality of storage units, and more than three storage units are arranged between the left support plate and the right support plate at the lower part of the test bed; the storage unit comprises a reagent storage drawer and an explosion-proof tank, the explosion-proof tank is a lead tank body with an open upper end, and an explosion-proof foam layer is arranged on the inner wall of the lead tank body; a left metal insert and a right metal insert are respectively arranged in the left insert hole and the right insert hole, a drawer shelf is placed above one end of the left metal insert and one end of the right metal insert, which are inserted into the explosion-proof tank, and the reagent storage drawer is placed on the drawer shelf; the side walls of the left side and the right side of the storage unit are respectively provided with a left electromagnet and a right electromagnet, the left electromagnet and the right electromagnet are in a non-electrified and non-suction state in a conventional state, and the left electromagnet and the right electromagnet can suck out the left metal inserting strip and the right metal inserting strip from the left inserting strip hole and the right inserting strip hole in an electrified state, so that the drawer shelf and the reagent storage drawer fall into the explosion-proof tank together; and the collision sensor is connected with and controls the power on and off of the left electromagnet and the right electromagnet.
Preferably, the collision sensor comprises a plurality of sensing box bodies, and the sensing box bodies are respectively arranged between the left vertical plate and the left support plate and between the right vertical plate and the right support plate; the induction box body is a square box body, more than two plug cylinders are respectively arranged on six inner side surfaces of the square box body, and two contact electrodes are arranged in each plug cylinder; the conductive liquid storage silica gel ball is arranged in the center of the square box body, the upper end of the conductive liquid storage silica gel ball is fixed on the upper wall of the square box body through an installation column, a plurality of puncture needle support arms are arranged around the conductive liquid storage silica gel ball, and puncture needles on the puncture needle support arms are close to the conductive liquid storage silica gel ball but are not in contact with the conductive liquid storage silica gel ball; the conductive liquid is stored in the silica gel ball and is filled with the conductive liquid; when receiving the collision, left and right riser takes place deformation, leads to the felting needle to puncture the conducting solution and stores the silica gel ball, makes the conducting liquid flow out, as long as electrically conductive circulation immerses in arbitrary response and her in the plug section of thick bamboo, can make two contact electrode in the plug section of thick bamboo switch on each other, then starts left and right electro-magnet and makes it charge and produce magnetism.
Preferably, the anti-seismic walking device comprises two walking function groups, and each walking function group is respectively arranged at the front side and the rear side of the bottom of the vehicle plate;
the walking function groups comprise walking frames, each walking frame comprises a left frame, a middle frame and a right frame, each middle frame comprises a shock absorption box, the upper part of each shock absorption box is provided with a left plate spring hinged support and a right plate spring hinged support, the left plate spring hinged support and the right plate spring hinged support are respectively connected with a rolling lug for fixing the left end and the right end of each plate spring, and the middle parts of the plate springs are fixed at the middle positions of the lower parts of the vehicle plates; an inner upper spring seat is fixed on the upper wall in the shock absorption box, a middle axle hole is formed in the lower wall in the shock absorption box, an inner box plate is arranged in the shock absorption box, an inner lower spring seat is arranged on the upper portion of the inner box plate, a middle shock absorption spring is arranged between the inner upper spring seat and the inner lower spring seat, a fixed middle axle is installed on the lower portion of the inner box plate, and a middle wheel is installed at the lower end of the middle axle;
a left upper spring seat and a right upper spring seat are respectively arranged on the left side and the right side of the lower bottom surface of the vehicle plate, a left upper spring seat and a left lower spring seat are respectively arranged on the upper parts of the left vehicle frame and the right vehicle frame, a left damping spring is arranged between the left upper spring seat and the left lower spring seat, and a right damping spring is arranged between the right upper spring seat and the right lower spring seat; a left axle is arranged at the lower part of the left frame, and a left wheel is arranged at the lower end of the left axle; a right axle is arranged at the lower part of the right frame, and a right wheel is arranged at the lower end of the axle; the right end of the left frame is provided with a left hinged shaft hole, and the left end of the right frame is provided with a right hinged shaft hole; the left and right sides of the damping box are respectively provided with a left connecting arm and a right connecting arm, the left connecting arm and the right connecting arm are respectively and longitudinally provided with a left inserting shaft and a right inserting shaft, the left inserting shaft penetrates through the left hinged shaft hole from bottom to top, and the right inserting shaft penetrates through the right hinged shaft hole from bottom to top; the upper ends of the left and right insertion shafts are respectively provided with a left and right insertion shaft stop dog.
Compared with the prior art, the invention has the beneficial effects that:
the mobile comprehensive experiment teaching platform can assist educators in developing teaching operation outdoors, and can be moved to the scene only by dragging and hanging the mobile comprehensive experiment teaching platform at the rear part of the existing vehicle. In addition, the invention has a specially designed anti-explosion and anti-vibration storage unit structure, which not only can properly transport and store the test instruments and reagents, but also can prevent the reagents from leaking to cause chemical pollution or deflagration in an unexpected state. By the invention, the educators can conveniently combine the field situation outdoors or collect the samples in real time, vividly carry out teaching operation, and teach through lively activities, so that the students can learn knowledge personally on the scene, and feel and know more vividly and deeply.
Drawings
FIG. 1 is a schematic structural view (storage travel state) of the present invention;
FIG. 2 is a schematic structural view of the present invention (expanded teaching state);
FIG. 3 is a schematic view of the external structure of the elevating shed (in a retracted state);
FIG. 4 is a schematic view of the internal structure of the elevating shed (in a retracted state);
FIG. 5 is a schematic view of the external structure of the elevating shed (raised state);
FIG. 6 is a schematic view of the internal structure of the elevating shed (raised state);
FIG. 7 is a schematic structural view of the foldable experimental storage device (storage state of the test rack);
FIG. 8 is a schematic view of the foldable laboratory storage apparatus (with the test rack in an unfolded state);
FIG. 9 is a schematic view of the mounting engagement of the test stand and the test rack;
fig. 10 is a schematic structural view of a storage unit;
FIG. 11 is a schematic view of the structure of an induction cartridge;
FIG. 12 is a circuit diagram of a crash sensor;
FIG. 13 is a schematic view showing the construction of the anti-seismic walking apparatus;
in the figure:
1. lifting the shed body: 1.1, lifting a shed frame; 1.2, fixing a shed frame; 1.3, a top plate; 1.4, a front roller shutter door; 1.5, lifting a handle; 1.6, a rear lifting plate; 1.7, bolt holes are formed in the vertical plates; 1.8, a left guide roller; 1.9, a left lifting plate; 1.10, a left front chute; 1.11, lifting a board bolt hole; 1.12, a left front slide block; 1.13, a left vertical plate; 1.14, a right vertical plate; 1.15, right front slide block; 1.16, a right front chute; 1.17, a right lifting plate; 1.18, a right guide roller; 1.19, a left bolt; 1.20, a right bolt;
2. device is received in foldable experiment storage: 2.1, a test stand; 2.2, a test bed; 2.3, intelligently entering and exiting a water system; 2.4, storing the anti-collision test reagent in a storage bin; 2.5, collision sensors; 2.6, a right support plate; 2.7, a drain pipe; 2.8, a rope pulling motor; 2.9, reel; 2.10, pulling a rope; 2.11, supporting the vertical plate; 2.12, flat plate; 2.13, a spray pipe; 2.14, a spray head; 2.15, a second branch water pipe; 2.16, a second waterway solenoid valve control switch; 2.17, controlling a switch by a first waterway electromagnetic valve; 2.18, a left support plate; 2.19, rotating the faucet; 2.20, a first branch water pipe; 2.21, a first waterway electromagnetic valve; 2.23, a main water inlet pipe; 2.24, a second waterway electromagnetic valve; 2.25, stay cord through holes; 2.26, pull rope baffle plates; 2.27, right-angle hinged hinges; 2.28, a reagent storage drawer; 2.29, drawer shelves; 2.30, left metal cutting; 2.31, a left insertion hole; 2.32, a first left electromagnet; 2.33, explosion-proof tank; 2.34, an explosion-proof foam layer; 2.35, a first right electromagnet; 2.36, a right insertion hole; 2.37, right metal cutting; 2.38, a plug cylinder; 2.39, contact electrode; 2.40, contact electrodes; 2.41, a lancet supporting arm; 2.42, a puncture needle; 2.43, storing the silica gel balls in the conductive liquid; 2.44, a conductive liquid; 2.45, a second left electromagnet; 2.46, a second right electromagnet; 2.47, a third left electromagnet; 2.48, a third right electromagnet; 2.49, a storage battery;
3. turning a plate: 3.1, a hollow interlayer; 3.2, drawing the plate leftwards; 3.3, drawing the plate right; 3.4, drawing a plate hinge shaft;
4. a traction fixing device;
5. the earthquake-resistant walking device comprises: 5.1, a left upper spring seat; 5.2, a left lower spring seat; 5.3, a left frame; 5.4, a left axle; 5.5, a left wheel; 5.6, a damping box; 5.7, an inner upper spring seat; 5.8, a middle damping spring; 5.9, a middle axle; 5.10, middle wheels; 5.11, an inner lower spring seat; 5.12, inner box plates; 5.13, right wheel; 5.14, right axle; 5.15, a right frame; 5.16, a lower right spring seat; 5.17, a right damping spring; 5.18, right upper spring seat; 5.19, right hinge shaft hole; 5.20, right insert shaft; 5.21, a right insert shaft stop block; 5.22, a right connecting arm; 5.24, the right plate spring is hinged with a support; 5.25, a plate spring; 5.26, a left plate spring hinged support; 5.28, left connecting arm; 5.29, a left inserting shaft; 5.30, a left inserted shaft stop block; 5.31, a left hinge shaft hole; 5.32, left part damping spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the mobile comprehensive experiment teaching platform comprises a vehicle plate, wherein a lifting shed body is arranged on the vehicle plate, and a folding experiment storage device is arranged in the lifting shed body; the bottom of the sweep is provided with an anti-seismic walking device, and the front end of the sweep is provided with a traction fixing device.
As shown in fig. 3, 4, 5 and 6, the lifting shed body comprises a fixed shed frame and a lifting shed frame, the fixed shed frame comprises a left vertical plate, a right vertical plate and a rear vertical plate, and the left vertical plate and the right vertical plate are respectively vertically installed and fixed on the left side and the right side of the upper part of the vehicle plate; the rear vertical plate is vertically installed and fixed at the rear side of the upper part of the vehicle plate, and the left side and the right side of the rear vertical plate are respectively connected with the rear side edges of the left vertical plate and the right vertical plate; the lifting shed frame comprises a front lifting plate, a left lifting plate, a right lifting plate, a rear lifting plate and a top plate, the front lifting plate, the left lifting plate, the right lifting plate and the rear lifting plate are enclosed into a square lifting cylinder, and the top plate is arranged at the upper end of the square lifting cylinder; the left lifting plate is connected and installed on the left vertical plate through a left lifting guide device, and the right lifting plate is connected and installed on the right vertical plate through a right lifting guide device; and a rolling door is arranged on the front lifting plate.
The left lifting guide device comprises a left front sliding groove, a left rear sliding groove, a left front sliding block, a left rear sliding block and a plurality of left guide rollers, the left front sliding groove and the left rear sliding groove are longitudinally arranged on the front side and the rear side of the left vertical plate, the left front sliding block and the left rear sliding block are respectively arranged on the lower portions of the front side and the rear side of the right side of the left lifting plate, and the left front sliding block and the left rear sliding block are respectively inserted into the left front sliding groove and the left rear sliding groove; the right side surface of the left lifting plate is transversely provided with a plurality of left guide rollers in parallel from top to bottom, two ends of each left guide roller are respectively installed on the left lifting plate through hinged supports, the left guide rollers can rotate around the central axes of the left guide rollers, the outer ring surface of each left guide roller is coated with a nylon outer cladding layer, and the nylon outer cladding layer of each left guide roller is in contact with the left side surface of the left vertical plate; when the left lifting plate is moved up and down, the left guide roller can be attached to the left side surface of the left vertical plate to roll; the upper end and the lower end of the left vertical plate are respectively provided with a vertical plate upper bolt hole and a vertical plate lower bolt hole, and the lower end of the left lifting plate is provided with a lifting plate bolt hole; when inserting left bolt and rise on board bolt hole and the riser in the bolt hole, can fix the left side of lift rack at last spacing, when inserting left bolt under lift bolt hole and the riser in the bolt hole, can fix the left side of lift rack spacing down.
The right lifting guide device comprises a right front sliding groove, a right rear sliding groove, a right front sliding block, a right rear sliding block and a plurality of right guide rollers, the right front sliding groove and the right rear sliding groove are longitudinally arranged on the front side and the rear side of the right vertical plate, the right front sliding block and the right rear sliding block are respectively arranged on the lower parts of the front side and the rear side on the left side of the right lifting plate, and the right front sliding block and the right rear sliding block are respectively inserted into the right front sliding groove and the right rear sliding groove; a plurality of right guide rollers are transversely and parallelly arranged on the left side surface of the right lifting plate from top to bottom, two ends of each right guide roller are respectively installed on the right lifting plate through hinged supports, the right guide rollers can rotate around the central axis of the right guide roller, the outer ring surface of the right guide roller is coated with a nylon outer cladding layer, and the nylon outer cladding layer of the right guide roller is in contact with the right side surface of the right vertical plate; when the right lifting plate is moved up and down, the right guide roller can be attached to the right side surface of the right vertical plate to roll; the upper end and the lower end of the right vertical plate are respectively provided with a vertical plate upper bolt hole and a vertical plate lower bolt hole, and the lower end of the right lifting plate is provided with a lifting plate bolt hole; when the right bolt is inserted into the bolt hole of the lifting plate and the bolt hole on the vertical plate, the right side of the lifting shed frame can be fixed at the upper limit, and when the right bolt is inserted into the bolt hole of the lifting plate and the bolt hole on the lower side of the vertical plate, the right side of the lifting shed frame can be fixed at the lower limit; and a lifting handle is arranged on the right side surface of the right lifting plate.
A hollow interlayer is arranged in the vehicle plate, a drawing plate is arranged in the hollow interlayer, a drawing plate outlet is formed in the right end of the hollow interlayer, and the drawing plate can be drawn out from the drawing plate outlet; the drawing plate comprises a left drawing plate and a right drawing plate, and the right end of the left drawing plate is hinged and fixed with the left end of the right drawing plate through a drawing plate hinge shaft; the left end of the left drawing plate can not be completely drawn out of the hollow interlayer, when the left drawing plate is drawn out rightwards to the limit position, the left drawing plate can still be kept in a horizontal state, and at the moment, the right drawing plate is inclined downwards to land.
As shown in fig. 7 and 8, the foldable experimental storage device comprises a test bed, a test frame and an anti-collision experimental reagent storage bin, wherein two sides of the test bed are mounted on a vehicle board through a left support plate and a right support plate, the test frame is mounted on the test bed, and the anti-collision experimental reagent storage bin is arranged between the left support plate and the right support plate at the lower part of the test bed.
As shown in fig. 9, the test bed includes a test table top, an experimental water tank and an intelligent water inlet and outlet system, wherein the experimental water tank is embedded in the front end of the test table top; the intelligent water inlet and outlet system comprises a main water inlet pipe, a first branch water pipe, a second branch water pipe, a rotary faucet, a spray pipe and a drain pipe, wherein the main water inlet pipe is arranged on the left side of the test table board, the front end of the main water inlet pipe is provided with a water inlet joint, the rear end of the main water inlet pipe is connected with the front ends of the first branch water pipe and the second branch water pipe through a pipeline three-way connector, and the first branch water pipe and the second branch water pipe are respectively provided with a first water path electromagnetic valve and a second water path electromagnetic valve; the first waterway electromagnetic valve and the second waterway electromagnetic valve are controlled to be opened and closed through a first waterway electromagnetic valve control switch and a second waterway electromagnetic valve control switch respectively; the rear end of the first water branch pipe is connected with a rotary water faucet, the rotary water faucet can extend above the experimental water tank when rotating to an upper limit position, and the rotary water faucet can be accommodated in the experimental water tank when rotating to a lower limit position; the rear end of the second branch water pipe is connected with the lower end of a spray pipe, the upper end of the spray pipe is connected with an upward spray head, and the spray head can spray upwards and is arranged in an experimental water tank; the bottom of the experimental water tank is provided with a water outlet which is connected with the front end of a water drainage pipe, and the rear end of the water drainage pipe is connected with a waste water tank or provided with a water drainage valve.
It should be noted that the swivel faucet belongs to the mature prior art, and the specific structure can refer to the structure described in patent No. 201620107140.3 and the patent name "swivel faucet", or can be directly purchased from the market, and the detailed description thereof is omitted here.
As shown in fig. 9, the test stand comprises a flat plate and more than three support vertical plates, each support vertical plate is arranged in parallel, the lower ends of the support vertical plates are hinged to the test stand through right-angle hinged hinges, and the opening and closing angle range of the right-angle hinged hinges is 0-90 degrees; the upper end of the support vertical plate is hinged to the bottom of the flat plate; a stay cord through hole is formed in the middle of each support vertical plate; a stay cord motor is arranged on the right side of the test bed, a winding wheel is arranged on a motor shaft of the stay cord motor, the front end of a stay cord is wound on the winding wheel, the rear end of the stay cord penetrates through stay cord through holes of the support vertical plates from right to left, and stay cord baffles with the same number as the support vertical plates are fixed on the stay cord; when the pull rope motor is started to drive the winding wheel to rotate in the forward direction, the winding wheel can tighten the pull rope, the pull rope drives each support vertical plate to rotate through the pull rope baffle plate until the right-angle hinged hinge is opened to 90 degrees, each support vertical plate is in a vertical state, and the flat plate is in a horizontal state at the moment; when starting the stay cord motor and driving the reel reverse rotation, the stay cord can be loosened to the reel, and each support riser can rotate and tile on the laboratory bench under dull and stereotyped action of gravity.
As shown in fig. 7 and 8, the anti-collision type test reagent storage bin comprises a collision sensor and a plurality of storage units, and more than three storage units are arranged between a left support plate and a right support plate at the lower part of the test bed. As shown in fig. 10, the storage unit includes a reagent storage drawer and an explosion-proof tank, the explosion-proof tank is a lead tank with an open upper end, and an explosion-proof foam layer is arranged on the inner wall of the lead tank; a left metal insert and a right metal insert are respectively arranged in the left insert hole and the right insert hole, a drawer shelf is placed above one end of the left metal insert and one end of the right metal insert, which are inserted into the explosion-proof tank, and the reagent storage drawer is placed on the drawer shelf; the side walls of the left side and the right side of the storage unit are respectively provided with a left electromagnet and a right electromagnet, the left electromagnet and the right electromagnet are in a non-electrified and non-suction state in a conventional state, and the left electromagnet and the right electromagnet can suck out the left metal inserting strip and the right metal inserting strip from the left inserting strip hole and the right inserting strip hole in an electrified state, so that the drawer shelf and the reagent storage drawer fall into the explosion-proof tank together; and the collision sensor is connected with and controls the power on and off of the left electromagnet and the right electromagnet.
As shown in fig. 11, the collision sensor includes a plurality of sensing boxes, and the sensing boxes are respectively disposed between the left vertical plate and the left support plate, and between the right vertical plate and the right support plate; the induction box body is a square box body, more than two plug cylinders are respectively arranged on six inner side surfaces of the square box body, and two contact electrodes are arranged in each plug cylinder; the conductive liquid storage silica gel ball is arranged in the center of the square box body, the upper end of the conductive liquid storage silica gel ball is fixed on the upper wall of the square box body through an installation column, a plurality of puncture needle support arms are arranged around the conductive liquid storage silica gel ball, and puncture needles on the puncture needle support arms are close to the conductive liquid storage silica gel ball but are not in contact with the conductive liquid storage silica gel ball; the conductive liquid is stored in the silica gel ball and is filled with the conductive liquid; when receiving the collision, left and right riser takes place deformation, leads to the felting needle to puncture the conducting solution and stores the silica gel ball, makes the conducting liquid flow out, as long as electrically conductive circulation immerses in arbitrary response and her in the plug section of thick bamboo, can make two contact electrode in the plug section of thick bamboo switch on each other, then starts left and right electro-magnet and makes it charge and produce magnetism.
As shown in fig. 13, the anti-seismic walking device includes two walking function groups, and the walking function groups are respectively disposed at the front and rear sides of the bottom of the vehicle body.
The walking function groups comprise walking frames, each walking frame comprises a left frame, a middle frame and a right frame, each middle frame comprises a shock absorption box, the upper part of each shock absorption box is provided with a left plate spring hinged support and a right plate spring hinged support, the left plate spring hinged support and the right plate spring hinged support are respectively connected with a rolling lug for fixing the left end and the right end of each plate spring, and the middle parts of the plate springs are fixed at the middle positions of the lower parts of the vehicle plates; an inner upper spring seat is fixed on the upper wall in the shock absorption box, a middle axle hole is formed in the lower wall in the shock absorption box, an inner box plate is arranged in the shock absorption box, an inner lower spring seat is arranged on the upper portion of the inner box plate, a middle shock absorption spring is arranged between the inner upper spring seat and the inner lower spring seat, a fixed middle axle is installed on the lower portion of the inner box plate, and a middle wheel is installed at the lower end of the middle axle.
A left upper spring seat and a right upper spring seat are respectively arranged on the left side and the right side of the lower bottom surface of the vehicle plate, a left upper spring seat and a left lower spring seat are respectively arranged on the upper parts of the left vehicle frame and the right vehicle frame, a left damping spring is arranged between the left upper spring seat and the left lower spring seat, and a right damping spring is arranged between the right upper spring seat and the right lower spring seat; a left axle is arranged at the lower part of the left frame, and a left wheel is arranged at the lower end of the left axle; a right axle is arranged at the lower part of the right frame, and a right wheel is arranged at the lower end of the axle; the right end of the left frame is provided with a left hinged shaft hole, and the left end of the right frame is provided with a right hinged shaft hole; the left and right sides of the damping box are respectively provided with a left connecting arm and a right connecting arm, the left connecting arm and the right connecting arm are respectively and longitudinally provided with a left inserting shaft and a right inserting shaft, the left inserting shaft penetrates through the left hinged shaft hole from bottom to top, and the right inserting shaft penetrates through the right hinged shaft hole from bottom to top; the upper ends of the left and right insertion shafts are respectively provided with a left and right insertion shaft stop dog.
When the device is used, the device can be dragged and hung at the rear part of the existing vehicle only by utilizing the traction fixing device at the front end of the vehicle plate, so that the vehicle-mounted movement can be realized. And after the destination is reached, the user can select a wide and flat open ground to stop.
Firstly, drawing out a drawing plate from a drawing plate outlet at the right end of a hollow interlayer; when the left drawing plate is drawn out rightwards to the limit position, the left drawing plate can still keep the horizontal state, and at the moment, the right drawing plate is inclined downwards to land. After the left bolt and the right bolt are respectively pulled out by a worker (in the process of traveling, the left bolt is inserted into the lifting bolt hole and the lower bolt hole of the vertical plate, and the right bolt is inserted into the lifting bolt hole and the lower bolt hole of the vertical plate), the worker can move to the left pulling plate from the right pulling plate and stand, then manually hold the lifting handle, lift the lifting shed frame upwards to an upper limit position, and realize the right side fixation of the lifting shed frame when the right bolt is inserted into the lifting plate bolt hole and the upper bolt hole of the vertical plate; then rotate to sweep left side, when the foot is stepped on traction fixture and is inserted the bolt hole on rise board bolt hole and the riser with left bolt, realize that the left side of lift rack is fixed. The deformation and the fixation of the display state of the lifting shed body are completed, the rolling door can be opened to load and unload the articles when the preparation is carried out, and the lifting shed frame does not need to be lifted.
Then, when the start stay cord motor drove the reel forward rotation, the reel can tighten up the stay cord, and the stay cord passes through the stay cord baffle and drives each support riser rotatory, opens to 90 degrees until the articulated hinge of right angle, and each support riser is in vertical state, and the flat board is in the horizontality this moment. And (3) searching a nearby water source, connecting the nearby water source with a main water inlet pipe of the intelligent water inlet and outlet system, and if no suitable water source exists nearby, preparing a water tank and a water pump in advance. If the waste water that this experiment produced is harmless pollution-free can directly discharge, if the waste water that produces is harmful, then need to prepare specially that the waste water case links to each other with the drain pipe and collect the special processing of back.
The folding of device can be accomplished to the above-mentioned step of reverse operation after the outdoor teaching finishes.
The invention relates to demonstration of chemical experiments, and does not need to load corrosive or explosive and flammable chemical reagents, so that a storage unit is specially arranged, and the dangerous goods can be properly stored. Once in the process of marcing, car accident or other unexpected collisions take place, as long as the collision is serious and left and right riser takes place deformation, can lead to the felting needle to puncture the conducting liquid and store the silica gel ball, make the conducting liquid flow out, as long as electrically conductive circulation immerses in arbitrary induction and her in the plug section of thick bamboo, can make two contact electrodes in the plug section of thick bamboo switch on each other, then start left and right electro-magnet and make it produce magnetism that charges. The left electromagnet and the right electromagnet are in a non-electrified and non-suction state in a conventional state, and the left electromagnet and the right electromagnet can suck the left metal inserting strip and the right metal inserting strip out of the left inserting strip hole and the right inserting strip hole in an electrified state, so that the drawer shelf and the reagent storage drawer fall into the explosion-proof tank together. Because the explosion-proof tank is the open plumbous system jar body in upper end, set up explosion-proof foam layer on the inner wall of the plumbous system jar body, can effectively the shock attenuation and properly absorb the reagent of revealing, prevent dangerous situations such as detonation.
The circuit diagram of the collision sensor is shown in fig. 12, the two contact electrodes are arranged on the circuit branches through the plug cylinder and the two contact electrodes inside, the left electromagnet and the right electromagnet are connected in series on the circuit main circuit, and the circuit main circuit is connected with the circuit branches in parallel. When any circuit branch is connected, the storage battery can charge the left electromagnet and the right electromagnet on the circuit main circuit, and the purpose of the invention is realized.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention, without departing from the technical solution of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (3)
1. The mobile comprehensive experiment teaching platform is characterized by comprising a vehicle plate, wherein a lifting shed body is arranged on the vehicle plate, and a foldable experiment storage device is arranged in the lifting shed body; the bottom of the sweep is provided with an anti-seismic walking device, and the front end of the sweep is provided with a traction fixing device;
the lifting shed body comprises a fixed shed frame and a lifting shed frame, the fixed shed frame comprises a left vertical plate, a right vertical plate and a rear vertical plate, and the left vertical plate and the right vertical plate are respectively vertically installed and fixed on the left side and the right side of the upper part of the vehicle plate; the rear vertical plate is vertically installed and fixed at the rear side of the upper part of the vehicle plate, and the left side and the right side of the rear vertical plate are respectively connected with the rear side edges of the left vertical plate and the right vertical plate; the lifting shed frame comprises a front lifting plate, a left lifting plate, a right lifting plate, a rear lifting plate and a top plate, the front lifting plate, the left lifting plate, the right lifting plate and the rear lifting plate are enclosed into a square lifting cylinder, and the top plate is arranged at the upper end of the square lifting cylinder; the left lifting plate is connected and installed on the left vertical plate through a left lifting guide device, and the right lifting plate is connected and installed on the right vertical plate through a right lifting guide device; a rolling door is arranged on the front lifting plate;
the left lifting guide device comprises a left front sliding groove, a left rear sliding groove, a left front sliding block, a left rear sliding block and a plurality of left guide rollers, the left front sliding groove and the left rear sliding groove are longitudinally arranged on the front side and the rear side of the left vertical plate, the left front sliding block and the left rear sliding block are respectively arranged on the lower portions of the front side and the rear side of the right side of the left lifting plate, and the left front sliding block and the left rear sliding block are respectively inserted into the left front sliding groove and the left rear sliding groove; the right side surface of the left lifting plate is transversely provided with a plurality of left guide rollers in parallel from top to bottom, two ends of each left guide roller are respectively installed on the left lifting plate through hinged supports, the left guide rollers can rotate around the central axes of the left guide rollers, the outer ring surface of each left guide roller is coated with a nylon outer cladding layer, and the nylon outer cladding layer of each left guide roller is in contact with the left side surface of the left vertical plate; when the left lifting plate is moved up and down, the left guide roller can be attached to the left side surface of the left vertical plate to roll; the upper end and the lower end of the left vertical plate are respectively provided with a vertical plate upper bolt hole and a vertical plate lower bolt hole, and the lower end of the left lifting plate is provided with a lifting plate bolt hole; when the left bolt is inserted into the bolt hole of the lifting plate and the bolt hole on the vertical plate, the left side of the lifting shed frame can be fixed at the upper limit, and when the left bolt is inserted into the bolt hole of the lifting plate and the bolt hole on the lower side of the vertical plate, the left side of the lifting shed frame can be fixed at the lower limit;
the right lifting guide device comprises a right front sliding groove, a right rear sliding groove, a right front sliding block, a right rear sliding block and a plurality of right guide rollers, the right front sliding groove and the right rear sliding groove are longitudinally arranged on the front side and the rear side of the right vertical plate, the right front sliding block and the right rear sliding block are respectively arranged on the lower parts of the front side and the rear side on the left side of the right lifting plate, and the right front sliding block and the right rear sliding block are respectively inserted into the right front sliding groove and the right rear sliding groove; a plurality of right guide rollers are transversely and parallelly arranged on the left side surface of the right lifting plate from top to bottom, two ends of each right guide roller are respectively installed on the right lifting plate through hinged supports, the right guide rollers can rotate around the central axis of the right guide roller, the outer ring surface of the right guide roller is coated with a nylon outer cladding layer, and the nylon outer cladding layer of the right guide roller is in contact with the right side surface of the right vertical plate; when the right lifting plate is moved up and down, the right guide roller can be attached to the right side surface of the right vertical plate to roll; the upper end and the lower end of the right vertical plate are respectively provided with a vertical plate upper bolt hole and a vertical plate lower bolt hole, and the lower end of the right lifting plate is provided with a lifting plate bolt hole; when the right bolt is inserted into the bolt hole of the lifting plate and the bolt hole on the vertical plate, the right side of the lifting shed frame can be fixed at the upper limit, and when the right bolt is inserted into the bolt hole of the lifting plate and the bolt hole on the lower side of the vertical plate, the right side of the lifting shed frame can be fixed at the lower limit; a lifting handle is arranged on the right side surface of the right lifting plate;
the foldable experimental storage device comprises a test bed, a test frame and an anti-collision type test reagent storage bin, wherein two sides of the test bed are arranged on a vehicle plate through a left support plate and a right support plate;
the test bed comprises a test table board, an experimental water tank and an intelligent water inlet and outlet system, wherein the experimental water tank is embedded into the front end of the test table board; the intelligent water inlet and outlet system comprises a main water inlet pipe, a first branch water pipe, a second branch water pipe, a rotary faucet, a spray pipe and a drain pipe, wherein the main water inlet pipe is arranged on the left side of the test table board, the front end of the main water inlet pipe is provided with a water inlet joint, the rear end of the main water inlet pipe is connected with the front ends of the first branch water pipe and the second branch water pipe through a pipeline three-way connector, and the first branch water pipe and the second branch water pipe are respectively provided with a first water path electromagnetic valve and a second water path electromagnetic valve; the first waterway electromagnetic valve and the second waterway electromagnetic valve are controlled to be opened and closed through a first waterway electromagnetic valve control switch and a second waterway electromagnetic valve control switch respectively; the rear end of the first water branch pipe is connected with a rotary water faucet, the rotary water faucet can extend above the experimental water tank when rotating to an upper limit position, and the rotary water faucet can be accommodated in the experimental water tank when rotating to a lower limit position; the rear end of the second branch water pipe is connected with the lower end of a spray pipe, the upper end of the spray pipe is connected with an upward spray head, and the spray head can spray upwards and is arranged in an experimental water tank; the bottom of the experimental water tank is provided with a water outlet, the water outlet is connected with the front end of a water drainage pipe, and the rear end of the water drainage pipe is connected with a waste water tank or provided with a water drainage valve;
the test stand comprises a flat plate and more than three support vertical plates, the support vertical plates are arranged in parallel, the lower ends of the support vertical plates are hinged to the test stand through right-angle hinged hinges, and the opening and closing angle range of the right-angle hinged hinges is 0-90 degrees; the upper end of the support vertical plate is hinged to the bottom of the flat plate; a stay cord through hole is formed in the middle of each support vertical plate; a stay cord motor is arranged on the right side of the test bed, a winding wheel is arranged on a motor shaft of the stay cord motor, the front end of a stay cord is wound on the winding wheel, the rear end of the stay cord penetrates through stay cord through holes of the support vertical plates from right to left, and stay cord baffles with the same number as the support vertical plates are fixed on the stay cord; when the pull rope motor is started to drive the winding wheel to rotate in the forward direction, the winding wheel can tighten the pull rope, the pull rope drives each support vertical plate to rotate through the pull rope baffle plate until the right-angle hinged hinge is opened to 90 degrees, each support vertical plate is in a vertical state, and the flat plate is in a horizontal state at the moment; when the stay cord motor is started to drive the reel to rotate reversely, the reel can release the stay cord, and each support vertical plate can rotate and is flatly paved on the experiment table under the action of the gravity of the flat plate;
the anti-collision test reagent storage bin comprises a collision sensor and a plurality of storage units, and more than three storage units are arranged between a left support plate and a right support plate at the lower part of the test bed; the storage unit comprises a reagent storage drawer and an explosion-proof tank, the explosion-proof tank is a lead tank body with an open upper end, and an explosion-proof foam layer is arranged on the inner wall of the lead tank body; a left metal insert and a right metal insert are respectively arranged in the left insert hole and the right insert hole, a drawer shelf is placed above one end of the left metal insert and one end of the right metal insert, which are inserted into the explosion-proof tank, and the reagent storage drawer is placed on the drawer shelf; the side walls of the left side and the right side of the storage unit are respectively provided with a left electromagnet and a right electromagnet, the left electromagnet and the right electromagnet are in a non-electrified and non-suction state in a conventional state, and the left electromagnet and the right electromagnet can suck out the left metal inserting strip and the right metal inserting strip from the left inserting strip hole and the right inserting strip hole in an electrified state, so that the drawer shelf and the reagent storage drawer fall into the explosion-proof tank together; the collision sensor is connected with and controls the power on and off of the left electromagnet and the right electromagnet;
the collision sensor comprises a plurality of sensing box bodies, and the sensing box bodies are respectively arranged between the left vertical plate and the left supporting plate and between the right vertical plate and the right supporting plate; the induction box body is a square box body, more than two plug cylinders are respectively arranged on six inner side surfaces of the square box body, and two contact electrodes are arranged in each plug cylinder; the conductive liquid storage silica gel ball is arranged in the center of the square box body, the upper end of the conductive liquid storage silica gel ball is fixed on the upper wall of the square box body through an installation column, a plurality of puncture needle support arms are arranged around the conductive liquid storage silica gel ball, and puncture needles on the puncture needle support arms are close to the conductive liquid storage silica gel ball but are not in contact with the conductive liquid storage silica gel ball; the conductive liquid is stored in the silica gel ball and is filled with the conductive liquid; when receiving the collision, left and right riser takes place deformation, leads to the felting needle to puncture the conducting solution and stores the silica gel ball, makes the conducting liquid flow out, as long as electrically conductive circulation immerses in arbitrary response and her in the plug section of thick bamboo, can make two contact electrode in the plug section of thick bamboo switch on each other, then starts left and right electro-magnet and makes it charge and produce magnetism.
2. A mobile comprehensive experimental teaching platform according to claim 1, characterized in that: a hollow interlayer is arranged in the vehicle plate, a drawing plate is arranged in the hollow interlayer, a drawing plate outlet is formed in the right end of the hollow interlayer, and the drawing plate can be drawn out from the drawing plate outlet; the drawing plate comprises a left drawing plate and a right drawing plate, and the right end of the left drawing plate is hinged and fixed with the left end of the right drawing plate through a drawing plate hinge shaft; the left end of the left drawing plate can not be completely drawn out of the hollow interlayer, when the left drawing plate is drawn out rightwards to the limit position, the left drawing plate can still be kept in a horizontal state, and at the moment, the right drawing plate is inclined downwards to land.
3. A mobile comprehensive experimental teaching platform according to claim 2, characterized in that: the anti-seismic walking device comprises two walking function groups, and each walking function group is respectively arranged on the front side and the rear side of the bottom of the vehicle plate;
the walking function groups comprise walking frames, each walking frame comprises a left frame, a middle frame and a right frame, each middle frame comprises a shock absorption box, the upper part of each shock absorption box is provided with a left plate spring hinged support and a right plate spring hinged support, the left plate spring hinged support and the right plate spring hinged support are respectively connected with a rolling lug for fixing the left end and the right end of each plate spring, and the middle parts of the plate springs are fixed at the middle positions of the lower parts of the vehicle plates; an inner upper spring seat is fixed on the upper wall in the shock absorption box, a middle axle hole is formed in the lower wall in the shock absorption box, an inner box plate is arranged in the shock absorption box, an inner lower spring seat is arranged on the upper portion of the inner box plate, a middle shock absorption spring is arranged between the inner upper spring seat and the inner lower spring seat, a fixed middle axle is installed on the lower portion of the inner box plate, and a middle wheel is installed at the lower end of the middle axle;
a left upper spring seat and a right upper spring seat are respectively arranged on the left side and the right side of the lower bottom surface of the vehicle plate, a left upper spring seat and a left lower spring seat are respectively arranged on the upper parts of the left vehicle frame and the right vehicle frame, a left damping spring is arranged between the left upper spring seat and the left lower spring seat, and a right damping spring is arranged between the right upper spring seat and the right lower spring seat; a left axle is arranged at the lower part of the left frame, and a left wheel is arranged at the lower end of the left axle; a right axle is arranged at the lower part of the right frame, and a right wheel is arranged at the lower end of the axle; the right end of the left frame is provided with a left hinged shaft hole, and the left end of the right frame is provided with a right hinged shaft hole; the left and right sides of the damping box are respectively provided with a left connecting arm and a right connecting arm, the left connecting arm and the right connecting arm are respectively and longitudinally provided with a left inserting shaft and a right inserting shaft, the left inserting shaft penetrates through the left hinged shaft hole from bottom to top, and the right inserting shaft penetrates through the right hinged shaft hole from bottom to top; the upper ends of the left and right insertion shafts are respectively provided with a left and right insertion shaft stop dog.
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| CN201811404081 | 2018-11-23 | ||
| CN2018114040816 | 2018-11-23 |
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| CN101117198A (en) * | 2007-08-29 | 2008-02-06 | 泰安市泰山工程机械集团有限公司 | Novel elevating mat-awning for pipe hanger |
| CN101876300A (en) * | 2009-05-01 | 2010-11-03 | 丛洋 | Motor vehicle bumping kinetic energy recycling system, shock mitigation system and motor vehicle |
| CN202686400U (en) * | 2012-03-06 | 2013-01-23 | 周秋莲 | Hot water bottle trailer |
| CN105584507A (en) * | 2014-10-24 | 2016-05-18 | 夏安娜 | Trailer for civil engineering |
| CN104828290B (en) * | 2015-04-27 | 2016-09-14 | 苏州工业职业技术学院 | The weight packaging automatons such as material |
| CN204638241U (en) * | 2015-05-28 | 2015-09-16 | 李乐天 | A kind of portable bench for chemistry experiment |
| CN204877019U (en) * | 2015-09-06 | 2015-12-16 | 黄河科技学院 | Conducting solution alarm mechanism |
| CN106111232B (en) * | 2016-08-26 | 2018-11-13 | 陕西晨光机电成套设备有限公司 | A kind of multi-function experimental rig for metal material pulling experiment |
| CN107308658B (en) * | 2017-08-04 | 2019-08-09 | 九江诚新文具制品有限公司 | A kind of educational toy for children based on education |
| CN208165137U (en) * | 2018-03-16 | 2018-11-30 | 龙合智能装备制造有限公司 | A kind of automobile-used trailer of traction |
| CN208115803U (en) * | 2018-03-21 | 2018-11-20 | 湖南科技学院 | A kind of high-performance physical experiment table |
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