阅读说明：本技术 一种预应力施工教学装置 (Prestressing force construction teaching device ) 是由 王全银 于 2020-12-03 设计创作，主要内容包括：本发明公开了—种预应力施工教学装置,包括箱体,箱体的顶部焊接有支架,支架的顶部安装有显示器；箱体的外壁一侧的下部安装有进气管,箱体的内腔底部靠近进气管的一侧螺丝连接有引风机,箱体的内腔底部远离引风机的一侧焊接有吸附箱,引风机的进风端连通有第一风管,引风机的出风端连通有第二风管,吸附箱的外壁远离第二风管的一侧下部连通有第三风管；吸附箱的内腔固定有过滤网,吸附箱的顶部螺丝连接有鼓风机,鼓风机的出风端连通有第四风管。本发明可移动至教室内,通过显示器对预应力的施工过程进行视频演示；可通过吸附箱和引风机,能够对粉笔书写后产生的粉尘进行吸收,以减少课后学生清理的时间,减少学生的负担。(The invention discloses a prestress construction teaching device, which comprises a box body, wherein a support is welded at the top of the box body, and a display is arranged at the top of the support; the lower part of one side of the outer wall of the box body is provided with an air inlet pipe, one side of the bottom of the inner cavity of the box body, which is close to the air inlet pipe, is in screwed connection with an induced draft fan, one side of the bottom of the inner cavity of the box body, which is far away from the induced draft fan, is welded with an adsorption box, the air inlet end of the induced draft fan is communicated with a first air pipe, the air outlet end of the induced draft fan is communicated with a second air pipe, and; the inner chamber of adsorption box is fixed with the filter screen, and the top screwed connection of adsorption box has the air-blower, and the air-out end intercommunication of air-blower has the fourth tuber pipe. The device can be moved into a classroom, and the video demonstration is carried out on the prestressed construction process through the display; accessible adsorption tank and draught fan can absorb the dust that the chalk produced after writing to reduce the time that the student cleared up after class, reduce student's burden.)

1. The utility model provides a prestressing force construction teaching device which characterized in that includes:

the display box comprises a box body (1), wherein a support (3) is welded at the top of the box body (1), and a display (4) is installed at the top of the support (3);

the air inlet pipe (8) is installed at the lower part of one side of the outer wall of the box body (1), one side of the inner cavity bottom of the box body (1) close to the air inlet pipe (8) is in screwed connection with an induced draft fan (11), one side of the inner cavity bottom of the box body (1) far away from the induced draft fan (11) is welded with an adsorption box (9), the air inlet end of the induced draft fan (11) is communicated with a first air pipe (12), one end of the first air pipe (12) is penetrated through the outer wall of the box body (1) on one side of the air inlet pipe (8) and communicated with the air inlet pipe (8), the air outlet end of the induced draft fan (11) is communicated with a second air pipe (13), one end of the second air pipe (13) is penetrated through the outer wall of the adsorption box (9) and communicated with the inner cavity of the adsorption box (9), one side lower part of the outer, one end of the third air pipe (14) penetrates through the lower part of the outer wall of one side far away from the air inlet pipe (8);

the inner chamber of adsorption tank (9) is fixed with filter screen (10), the top screwed connection of adsorption tank (9) has air-blower (16), the air-out end intercommunication of air-blower (16) has fourth tuber pipe (17), the one end of fourth tuber pipe (17) is run through in top one side of adsorption tank (9) and is linked together with the inner chamber of adsorption tank (9).

2. The prestressed construction teaching device according to claim 1, wherein: intake pipe (8) are squarely, four ends at the inner wall middle part of intake pipe (8) all are fixed with magnetite (19), filter wire netting (18) are installed to the inner chamber of intake pipe (8), filter wire netting (18) and magnetite (19) adsorb to be connected.

3. The prestressed construction teaching device according to claim 2, wherein: the diagonal welding of filtering wire netting (18) outer wall has connecting rod (20), the welding of the one end tip of connecting rod (20) has pull ring (21).

4. The prestressed construction teaching device according to claim 1, wherein: the top intercommunication that the outer wall of adsorption box (9) is located one side of second tuber pipe (13) has blow off pipe (15), the one end of blow off pipe (15) runs through in the outer wall middle part that box (1) is located intake pipe (8) one side.

5. The prestressed construction teaching device according to claim 4, wherein: and a valve (27) is arranged on the outer wall of the sewage draining pipe (15) relative to one end of the air inlet pipe (8).

6. The prestressed construction teaching device according to claim 4, wherein: the top that the outer wall of box (1) is located one side of intake pipe (8) is installed first switch (6), the gear of first switch (6) is two.

7. The pre-stressed construction teaching device of claim 6, wherein: the outer wall of the box body (1) is located below the first switch (6) and is provided with a second switch (7), and the number of the gears of the second switch (7) is two.

8. The prestressed construction teaching device according to claim 7, wherein: the output end of the first switch (6) is electrically connected with the input end of the induced draft fan (11) through a lead.

9. The prestressed construction teaching device according to claim 7, wherein: the output end of the second switch (7) is electrically connected with the input end of the blower (16) through a lead.

10. The prestressed construction teaching device according to claim 7, wherein: the outer wall upper portion welding that intake pipe (8) one side was kept away from in box (1) has handspike (5), handspike (5) are upwards bent and the angle of bending is thirty degrees, four ends in the bottom of box (1) all weld wheel (2), just wheel (2) are the universal wheel.

Technical Field

The invention relates to the technical field of teaching auxiliary equipment, in particular to a prestress construction teaching device.

Background

In the engineering major of university, when the teacher explains the prestressing force engineering in the classroom, because the construction process of prestressing force is comparatively complicated, consequently need carry out the video and demonstrate when explaining to deepen student's understanding, when the teacher writes on the blackboard through the chalk simultaneously, made the classroom produce a large amount of dusts, the dust is harmful to student's health on the one hand, and on the other hand has also increased the cleaning time of student after class, has increased student's burden. Therefore, a prestress construction teaching device is provided.

Disclosure of Invention

The invention aims to provide a prestress construction teaching device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a prestress construction teaching device comprises:

the display box comprises a box body, wherein a support is welded at the top of the box body, and a display is mounted at the top of the support;

an air inlet pipe is installed at the lower part of one side of the outer wall of the box body, a draught fan is connected to one side, close to the air inlet pipe, of the bottom of the inner cavity of the box body through screws, an adsorption box is welded to one side, far away from the draught fan, of the bottom of the inner cavity of the box body, a first air pipe is communicated with the air inlet end of the draught fan, one end of the first air pipe penetrates through the outer wall, located on one side of the air inlet pipe, of the box body and is communicated with the air inlet pipe, the air outlet end of the draught fan is communicated with a second air pipe, one end of the second air pipe penetrates through the outer wall of the adsorption box and is communicated with the inner cavity of the adsorption box, a third air pipe is;

the inner chamber of adsorption tank is fixed with the filter screen, the top screwed connection of adsorption tank has the air-blower, the air-out end intercommunication of air-blower has the fourth tuber pipe, the one end of fourth tuber pipe runs through in top one side of adsorption tank and is linked together with the inner chamber of adsorption tank.

By adopting the technical scheme, a teacher can move the dust collection device into a classroom, the construction process of prestress is subjected to video demonstration through a display, a large amount of dust is generated in the classroom in the course of teaching due to the fact that chalk is written on a blackboard, the dust is harmful to the body of a student on one hand, the cleaning time of the student after class is increased on the other hand, the burden of the student is increased, after the teaching video demonstration of prestress is finished, the teacher presses a first gear of a first switch to start a draught fan, the draught fan sucks air from the classroom through an air inlet pipe after being started, the dust of chalk passes through the air inlet pipe under the action of air flow, due to the filtering wire net arranged in the air inlet pipe, the dust can be pre-filtered under the action of the filtering wire net, then the air flow flows to a second air pipe through the first air pipe and then is conveyed to an adsorption box through the second air pipe, and secondary filtering of the dust is carried out through the filtering net fixed in the adsorption box, the air after filtering passes through the outside discharge of third tuber pipe, press the second shelves of first switch after the dust adsorbs the completion, make the draught fan close, this moment, accessible pulling pull ring, to filter wire netting and magnetite phase separation, will filter the wire netting and dismantle the clearance, in order to avoid the jam of filter screen, open the valve, press the first shelves of second switch, make the air-blower start, blow to the adsorption tank in through the fourth tuber pipe after the air-blower starts, the adsorption tank has been full of high-pressure gas this moment, high-pressure gas passes the filter screen and will adsorb the dust on the filter screen and pass through the outside discharge pipe of blow off, the reverse of having realized the air current and dredged stifled, after the clearance is accomplished, press the second shelves of second switch, make the air-blower close, close the valve simultaneously.

Preferably, the intake pipe is squarely, four ends at the inner wall middle part of intake pipe all are fixed with the magnetite, the inner chamber of intake pipe is installed and is filtered the wire netting, filter the wire netting and adsorb with the magnetite and be connected.

Through adopting above-mentioned technical scheme, filter wire netting and magnetite absorption formula and be connected convenient to use person's dismouting to accomplish the clearance to filtering the wire netting.

Preferably, the diagonal of filtering wire netting outer wall has the connecting rod in the welding, the one end tip welding of connecting rod has the pull ring.

Through adopting above-mentioned technical scheme, user's accessible pulling pull ring will filter wire netting and magnetite phase separation.

Preferably, the top of the outer wall of the adsorption tank on one side of the second air pipe is communicated with a drain pipe, and one end of the drain pipe penetrates through the middle part of the outer wall of the box body on one side of the air inlet pipe.

Through adopting above-mentioned technical scheme, the blow off pipe is used for the blowdown of dust.

Preferably, a valve is arranged on the outer wall of one end of the sewage draining pipe, which is opposite to the air inlet pipe.

By adopting the technical scheme, the valve is used for controlling the communication and the closing of the sewage discharge pipe.

Preferably, the outer wall of the box body is located the top of one side of the air inlet pipe and is provided with two first switches.

Through adopting above-mentioned technical scheme, first switch is used for controlling the draught fan, and the first shelves of first switch are for opening the shelves, and the second shelves of first switch are for closing the shelves.

Preferably, the outer wall of box is located the below of first switch and installs the second switch, the gear of second switch is two.

By adopting the technical scheme, the second switch is used for controlling the air blower, the first gear of the second switch is an opening gear, and the second gear of the second switch is a closing gear

Preferably, the output end of the first switch is electrically connected with the input end of the induced draft fan through a wire.

Through adopting above-mentioned technical scheme, the mr makes the draught fan start through the first shelves of pressing first switch, and the dust adsorbs the second shelves of pressing first switch after accomplishing, makes the draught fan close.

Preferably, the output end of the second switch is electrically connected with the input end of the blower through a lead.

By adopting the technical scheme, the blower is started by pressing down the first gear of the second switch, and the blower is closed by pressing down the second gear of the second switch.

Preferably, the hand push rod is welded on the upper portion of the outer wall of the box body, which is far away from one side of the air inlet pipe, the hand push rod is bent upwards, the bending angle is thirty degrees, wheels are welded on four ends of the bottom of the box body, and the wheels are universal wheels.

Through adopting above-mentioned technical scheme, the handspike makes things convenient for mr's promotion, simultaneously, the handspike upwards bends back more accords with human engineering, makes mr more comfortable when promoting, can remove under the effect of wheel.

Compared with the prior art, the invention has the beneficial effects that:

1. the device can be moved into a classroom, and the video demonstration is carried out on the prestressed construction process through the display;

2. in the invention, because the chalk is written on the blackboard in the course of class, a large amount of dust is generated in a classroom, the dust generated after the chalk is written can be absorbed through the adsorption box and the induced draft fan, so that the cleaning time of students after class is reduced, and the burden of the students is reduced;

3. according to the invention, through the adsorption design of the filtering wire netting and the magnet, the filtering wire netting can pre-filter dust, and meanwhile, the dust is convenient to disassemble and clean;

4. according to the invention, the adsorption box can be filled with high-pressure gas under the action of the blower, the high-pressure gas passes through the filter screen and discharges dust adsorbed on the filter screen outwards through the blow-off pipe, so that reverse dredging of airflow is realized.

Drawings

FIG. 1 is a schematic structural diagram of a pre-stress construction teaching device of the present invention;

FIG. 2 is a schematic structural diagram of a front view of the pre-stress construction teaching device of the present invention;

FIG. 3 is a schematic view of the adsorption tank of the present invention;

FIG. 4 is a schematic structural view of an air intake duct of the present invention;

FIG. 5 is a schematic front view of the air inlet tube of the present invention in combination with a filter wire;

fig. 6 is a front view structural schematic diagram of the intake pipe of the present invention.

In the figure: 1. a box body; 2. a wheel; 3. a support; 4. a display; 5. a handspike; 6. a first switch; 7. a second switch; 8. an air inlet pipe; 9. an adsorption tank; 10. a filter screen; 11. an induced draft fan; 12. a first air duct; 13. a second air duct; 14. a third air duct; 15. a blow-off pipe; 16. a blower; 17. a fourth air duct; 18. filtering the wire gauze; 19. a magnet; 20. a connecting rod; 21. a pull ring; 27. and (4) a valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

a prestress construction teaching device comprises: the display cabinet comprises a cabinet body 1, wherein a support 3 is welded at the top of the cabinet body 1, and a display 4 is arranged at the top of the support 3;

the air inlet pipe 8 is installed on the lower portion of one side of the outer wall of the box body 1, an induced draft fan 11 is in screwed connection with one side of the bottom of an inner cavity of the box body 1, which is close to the air inlet pipe 8, an adsorption box 9 is welded on one side, which is far away from the induced draft fan 11, of the bottom of the inner cavity of the box body 1, a first air pipe 12 is communicated with an air inlet end of the induced draft fan 11, one end of the first air pipe 12 penetrates through the outer wall of the box body 1, which is located on one side of the air inlet pipe 8, and is communicated with the air inlet pipe 8, an air outlet end of the induced draft fan 11 is communicated with a second air pipe 13, one end of the second air pipe 13 penetrates through the outer wall of the adsorption box 9 and is communicated with the inner cavity of;

wherein, the inner chamber of adsorption tank 9 is fixed with filter screen 10, and the top screwed connection of adsorption tank 9 has air-blower 16, and the air-out end intercommunication of air-blower 16 has fourth tuber pipe 17, and the one end of fourth tuber pipe 17 runs through in top one side of adsorption tank 9 and is linked together with the inner chamber of adsorption tank 9.

The teacher can move the invention into a classroom, the construction process of prestress is demonstrated by a video through the display 4, the classroom generates a large amount of dust due to the writing of chalk on the blackboard during the course of class, the dust is harmful to the body of the student on one hand, on the other hand, the cleaning time of the student after class is increased, the burden of the student is increased, after the teaching video demonstration class of prestress, the teacher presses the first gear of the first switch 6 to start the draught fan 11, the draught fan 11 sucks air from the classroom through the air inlet pipe 8 after being started, the dust of chalk passes through the air inlet pipe 8 under the action of air flow, due to the filtering wire mesh 18 arranged in the air inlet pipe 8, the dust can be pre-filtered under the action of the filtering wire mesh 18, then the air flow flows to the second air pipe 13 through the first air pipe 12 and then is conveyed to the adsorption box 9 through the second air pipe 13, the dust is secondarily filtered through the filter screen 10 fixed in the adsorption box 9, the filtered air is discharged outwards through the third air pipe 14, the second gear of the first switch 6 is pressed after the dust is adsorbed, the induced draft fan 11 is closed, at the moment, the pull ring 21 is pulled, the filter wire gauze 18 is separated from the magnet 19, the filter wire gauze 18 is disassembled and cleaned, in order to avoid the blockage of the filter screen 10, the valve 27 is opened, the first gear of the second switch 7 is pressed, the air blower 16 is started, the air blower 16 blows into the adsorption box 9 through the fourth air pipe 17 after being started, at the moment, the adsorption box 9 is filled with high-pressure gas, the high-pressure gas penetrates through the filter screen 10 and discharges the dust adsorbed on the filter screen 10 outwards through the blow-off pipe 15, the reverse blockage removal of the air flow is realized, after the cleaning is finished, the second gear of the second switch 7 is pressed, the air blower 16 is closed, while valve 27 is closed.

As shown in fig. 4-6, the air inlet pipe 8 is square, magnets 19 are fixed at four ends of the middle part of the inner wall of the air inlet pipe 8, a filtering wire mesh 18 is installed in the inner cavity of the air inlet pipe 8, and the filtering wire mesh 18 is connected with the magnets 19 in an adsorption manner.

Through adopting above-mentioned technical scheme, filter wire 18 and 19 absorption formulas of magnetite are connected convenient to use's dismouting to accomplish the clearance to filtering wire 18.

As shown in fig. 4, a connecting rod 20 is welded to a diagonal line of the outer wall of the filter wire 18, and a pull ring 21 is welded to one end of the connecting rod 20.

By adopting the technical scheme, a user can separate the filtering wire mesh 18 from the magnet 19 by pulling the pull ring 21.

As shown in fig. 1, the top of the outer wall of the adsorption tank 9 on one side of the second air duct 13 is communicated with a sewage discharge pipe 15, and one end of the sewage discharge pipe 15 penetrates through the middle part of the outer wall of the tank body 1 on one side of the air inlet pipe 8.

By adopting the technical scheme, the blow-off pipe 15 is used for discharging dust.

As shown in fig. 1, the outer wall of the waste pipe 15 at the end opposite to the inlet pipe 8 is provided with a valve 27.

By adopting the technical scheme, the valve 27 is used for controlling the communication and the closing of the sewage draining pipe 15.

As shown in fig. 2, a first switch 6 is installed at the top of the outer wall of the box body 1 on one side of the air inlet pipe 8, and the number of the first switch 6 is two.

Through adopting above-mentioned technical scheme, first switch 6 is used for controlling draught fan 11, and first shelves of first switch 6 are the opening shelves, and the second shelves of first switch 6 are the closing shelves.

As shown in fig. 2, a second switch 7 is mounted on the outer wall of the box 1 below the first switch 6, and the number of the second switch 7 is two.

By adopting the above technical scheme, the second switch 7 is used for controlling the blower 16, the first gear of the second switch 7 is an on gear, and the second gear of the second switch 7 is an off gear

As shown in fig. 1 to 3, the output end of the first switch 6 is electrically connected to the input end of the induced draft fan 11 through a wire.

Through adopting above-mentioned technical scheme, the mr makes draught fan 11 start through the first shelves that press first switch 6, and the second shelves that press first switch 6 after the dust adsorbs the completion make draught fan 11 close.

As shown in fig. 1 to 3, the output end of the second switch 7 is electrically connected to the input end of the blower 16 through a wire.

By adopting the above technical scheme, the blower 16 is started by pressing the first gear of the second switch 7, and the blower 16 is closed by pressing the second gear of the second switch 7.

As shown in fig. 2, a hand push rod 5 is welded on the upper portion of the outer wall of the box body 1 on the side far away from the air inlet pipe 8, the hand push rod 5 is bent upwards, the bending angle is thirty degrees, wheels 2 are welded on four ends of the bottom of the box body 1, and the wheels 2 are universal wheels.

Through adopting above-mentioned technical scheme, the handspike 5 makes things convenient for mr's promotion, simultaneously, handspike 5 upwards bending back accord with human engineering more, make mr more comfortable when promoting, can remove under the effect of wheel 2.

The structure principle is as follows: the teacher can move the invention into a classroom, the construction process of prestress is demonstrated by a video through the display 4, the classroom generates a large amount of dust due to the writing of chalk on the blackboard during the course of class, the dust is harmful to the body of the student on one hand, on the other hand, the cleaning time of the student after class is increased, the burden of the student is increased, after the teaching video demonstration class of prestress, the teacher presses the first gear of the first switch 6 to start the draught fan 11, the draught fan 11 sucks air from the classroom through the air inlet pipe 8 after being started, the dust of chalk passes through the air inlet pipe 8 under the action of air flow, due to the filtering wire mesh 18 arranged in the air inlet pipe 8, the dust can be pre-filtered under the action of the filtering wire mesh 18, then the air flow flows to the second air pipe 13 through the first air pipe 12 and then is conveyed to the adsorption box 9 through the second air pipe 13, the dust is secondarily filtered through the filter screen 10 fixed in the adsorption box 9, the filtered air is discharged outwards through the third air pipe 14, the second gear of the first switch 6 is pressed after the dust is adsorbed, the induced draft fan 11 is closed, at the moment, the pull ring 21 is pulled, the filter wire gauze 18 is separated from the magnet 19, the filter wire gauze 18 is disassembled and cleaned, in order to avoid the blockage of the filter screen 10, the valve 27 is opened, the first gear of the second switch 7 is pressed, the air blower 16 is started, the air blower 16 blows into the adsorption box 9 through the fourth air pipe 17 after being started, at the moment, the adsorption box 9 is filled with high-pressure gas, the high-pressure gas penetrates through the filter screen 10 and discharges the dust adsorbed on the filter screen 10 outwards through the blow-off pipe 15, the reverse blockage removal of the air flow is realized, after the cleaning is finished, the second gear of the second switch 7 is pressed, the air blower 16 is closed, while valve 27 is closed.

In conclusion, the device can be moved into a classroom, and the display 4 is used for carrying out video demonstration on the prestressed construction process;

in the invention, because the chalk is written on the blackboard in the course of class, a large amount of dust is generated in a classroom, the dust generated after the chalk is written can be absorbed through the adsorption box 9 and the induced draft fan 11, so that the cleaning time of students after class is reduced, and the burden of the students is reduced;

in the invention, through the adsorption design of the filtering wire netting 18 and the magnet 19, the filtering wire netting 18 can pre-filter dust and is convenient to disassemble and clean;

in the invention, the adsorption box 9 can be filled with high-pressure gas under the action of the blower 16, the high-pressure gas passes through the filter screen 10 and discharges dust adsorbed on the filter screen 10 outwards through the drain pipe 15, so that reverse dredging of airflow is realized.

The model of the induced draft fan 11 is: YN5-47, the model of the blower 16 is: YX-61D-2.

The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.