CN210378091U - A steam engine model for gold worker practice teaching - Google Patents
A steam engine model for gold worker practice teaching Download PDFInfo
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- CN210378091U CN210378091U CN201921113809.XU CN201921113809U CN210378091U CN 210378091 U CN210378091 U CN 210378091U CN 201921113809 U CN201921113809 U CN 201921113809U CN 210378091 U CN210378091 U CN 210378091U
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Abstract
The utility model discloses a steam engine model for metalworker practice teaching, which comprises a base for mounting a heating furnace bracket and a steam engine bracket; and the heating furnace is fixedly arranged on the heating furnace bracket and used for outputting steam. The utility model has the advantages that: it is rational in infrastructure, this steam engine model compares the steam engine model principle of two effect formulas simpler, to the university student of just contacting mechanical principle, this steam engine model understands mechanical transmission's principle more easily, block when motionless because steam inertia power is not enough when the cylinder piston is in extreme position, can guide student's analysis to block motionless reason, rethread installation balancing pole utilizes the carminative air current power of steam engine, promote the foaming circle wall and swing forward and then drive the cylinder piston and pass through extreme position smoothly, guide student's deep thinking, the solution of oneself is proposed, inspiring student's imagination and creative thinking.
Description
Technical Field
The utility model relates to a teaching auxiliary device especially relates to a steam engine model for gold worker practice teaching.
Background
The gold practice teaching has a vital role in understanding and mastering the traditional mechanical manufacturing and processing technology and the modern mechanical manufacturing and processing technology for students, and is an important way for cultivating the actual operation capacity of the students.
The basic contents of the existing metalworker practice include the process knowledge and basic operations of ordinary turning, planing, welding, casting, forging, bench work, CAD/CAM, numerical control milling, numerical control turning, rapid forming and the like.
The steam engine is a reciprocating power machine which converts the energy of steam into mechanical work, and is composed of a machine base, a cylinder, a piston, a connecting rod crank mechanism, a steam distribution device, a flywheel and the like, the structure is relatively simple, parts relate to all kinds of work such as turning, planing, welding, clamping and the like, and the steam engine well meets the learning requirements of metalworker practice.
In the practice teaching of the gold workers in colleges and universities, no model exists, boring theoretical lectures cannot stimulate the learning interest of students, and the students are difficult to really understand the principle and the working process of the steam engine.
Steam engines can be classified into single-acting and double-acting types according to whether steam works on one side or both sides of a piston.
When two double-acting pistons are used simultaneously, typically their cranks are exactly 90 degrees out of phase, so that an engine does work at all times. Through search, Chinese patent application No. 201220344242.9, application date 2012.07.17, the name of the invention creation is: steam engine model, the utility model discloses a steam engine model is exactly double-acting type steam engine, can realize the perfect demonstration to steam engine theory of operation and operating condition, lets the student can audio-visual observation, realizes the production of steam and passes through the cylinder and drive flywheel pivoted process, makes the student easily understand and accept the theory of operation of steam engine to can arouse student's interest in learning. However, in terms of teaching, the teaching demonstration device can only demonstrate the working principle of the steam engine, cannot enable students to deeply understand the defects and shortcomings in the mechanical principle, is suitable for cognitive education of primary and secondary school students, and cannot meet the use requirements of gold teaching for college students.
The single-acting type has simple structure and easy understanding of mechanical transmission principle because steam enters only one side of the piston. When manufacturing such a steam engine, special attention must be paid to the position relation between the contact plane of the oscillating cylinder and the frame and the oscillation of the cylinder, otherwise the cylinder piston is easy to be stuck because of insufficient inertia power of steam when in the extreme position; just because the single-acting steam engine has defects and how to solve the problems, the single-acting steam engine can guide students to deeply think, inspire imagination and creative thinking of the students, and further understand mechanical principles and develop and design processes. The existing steam engine model cannot meet the requirement of metal worker practice teaching.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the not enough of current product, and provide a steam engine model for gold worker practice teaching. The utility model discloses the technical problem that will solve is: a teaching steam engine model suitable for college students to know mechanical principles is developed.
The utility model relates to a steam engine model for metalworker practice teaching, which comprises a base for mounting a heating furnace bracket and a steam engine bracket; a heating furnace fixedly installed on the heating furnace bracket and used for steam output;
the base is connected with the heating furnace support and the steamer support through bolts, the top of the side surface of the heating furnace support is fixedly connected with the heating furnace through bolts, a first air inlet pipeline is arranged inside the heating furnace support, a second air inlet pipeline is arranged inside the base, a third air inlet pipeline is arranged inside the steamer support, the first air inlet pipeline is connected with the second air inlet pipeline, the second air inlet pipeline is connected with the third air inlet pipeline, and the upper end of the first air inlet pipeline is connected with a steam outlet of the heating furnace; the pivot is installed to the upper end of steam engine support, the flywheel is installed to the rear end of pivot, and the crank is installed to the front end of pivot, the crank is connected through connecting pivot and swing seat, the cylinder piston is installed to swing seat lower extreme, the cylinder piston is installed in the cylinder, cylinder fixed mounting is on the cylinder mount pad, the cylinder mount pad passes through mount pad pivot and steam engine support swing joint, a cylinder inlet channel and a cylinder outlet channel have been seted up to the cylinder mount pad, and the export of cylinder outlet channel and the exhaust hole connection of steam engine support, the exhaust hole department of steam engine support is equipped with the blast pipe, and cylinder inlet channel and No. two admission line are connected.
Furthermore, balance rods are arranged on the outer side of the flywheel in a circumferential mode, and when the balance rods rotate to the bottom, the balance rods pass through a container placed on the base and used for placing foam liquid.
Further, the balance rod comprises a connecting rod and a foaming ring, one end of the connecting rod is connected with the flywheel, and the other end of the connecting rod is connected with the foaming ring.
Further, the exhaust pipe comprises a straight pipe, an inclined pipe and an angle adjusting elbow, the straight pipe is vertically connected with an exhaust hole of the steam engine support, an included angle A between the inclined pipe and the straight pipe is 30-60 degrees, and an outlet of the inclined pipe is obliquely opposite to the wall of the foaming ring.
Further, the angle adjusting elbow comprises an innermost pipe inner layer, a pipe middle layer sleeved outside the pipe inner layer, and a pipe outer layer sleeved outside the pipe middle layer; the outer layer of the pipe is made of a metal corrugated pipe, the middle layer of the pipe is made of carbon steel, and the inner layer of the pipe is made of a low-density high-pressure polyethylene hose.
The utility model has the advantages that:
1. the steam engine model is reasonable in structure, is simpler than a double-acting steam engine model principle, and is easier to understand the mechanical transmission principle for college students just contacting the mechanical principle.
2. When the cylinder piston is blocked because of insufficient steam inertia power at the extreme position, students can be guided to analyze the reason of the blocking, and then the balance rod is installed to utilize the airflow power exhausted by the steam engine to push the foaming ring wall to swing forwards so as to drive the cylinder piston to smoothly pass through the extreme position, so that the students are guided to deeply think, a solution is provided, and imagination and creative thinking of the students are inspired.
3. All admission lines all adopt hole machining, and the steam engine model does not have external trachea, arouses more easily that the student is curious, dismantles afterwards, can let the student know the technology of drilling and the use of sealing member between the part.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a longitudinal sectional view of the present invention.
Fig. 3 is a transverse sectional view of the present invention.
Fig. 4 is a schematic structural diagram of the exhaust pipe of the present invention.
Fig. 5 is a schematic structural view of the angle-adjusting elbow of the present invention.
In the figure: the device comprises a base 1, a heating furnace 2, a heating furnace bracket 3, a crank 4, a steam engine bracket 5, a rotating shaft 6, a flywheel 7, a balancing rod 8, an exhaust pipe 9, a swinging seat 10, a cylinder piston 11, a cylinder 12 and a cylinder mounting seat 13; a first air inlet pipe 31, a second air inlet pipe 32 and a third air inlet pipe 33; a straight pipe 91, an inclined pipe 92, an angle adjusting elbow 93, an outer pipe layer 931, an intermediate pipe layer 932 and an inner pipe layer 933.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1-3, the utility model relates to a steam engine model for gold practice teaching, which comprises a base 1 for mounting a heating furnace bracket 3 and a steam engine bracket 5; a heating furnace 2 fixedly arranged on the heating furnace bracket 3 and used for steam output.
The base 1 is connected with a heating furnace support 3 and a steamer support 5 through bolts, the top of the side surface of the heating furnace support 3 is connected with a heating furnace 2 through bolts, a first air inlet pipeline 31 is arranged inside the heating furnace support 3, a second air inlet pipeline 32 is arranged inside the base 1, a third air inlet pipeline 33 is arranged inside the steamer support 5, the first air inlet pipeline 31 and the second air inlet pipeline 32 are connected with each other, the second air inlet pipeline 32 and the third air inlet pipeline 33 are connected with each other, and the upper end of the first air inlet pipeline 31 is connected with a steam outlet of the heating furnace 2; pivot 6 is installed to steam engine support 5's upper end, flywheel 7 is installed to the rear end of pivot 6, and crank 4 is installed to pivot 6's front end, crank 4 is connected through connecting pivot and swing seat 10, cylinder piston 11 is installed to swing seat 10 lower extreme, cylinder piston 11 is installed in cylinder 12, cylinder 12 fixed mounting is on cylinder mount pad 13, cylinder mount pad 13 is through mount pad pivot and 5 swing joint of steam engine support, cylinder mount pad 13 has seted up a cylinder inlet channel and a cylinder outlet channel, and the export of cylinder outlet channel and steam engine support 5's exhaust jogged joint, and blast pipe 9 is equipped with in steam engine support 5's exhaust vent, and cylinder inlet channel and No. two inlet line 32 connect.
The bottom of the heating furnace support 3 is fixedly connected with the base 1 through a bolt, a through hole is formed in the middle of the heating furnace support 3, and the bolt penetrates through the through hole and is fixedly connected with a threaded hole in the wall of the heating furnace 2; the bottom of the steam engine support 5 is provided with a threaded hole, the base 1 and the threaded hole at the bottom of the steam engine support 5 are provided with bolt mounting through holes at positions corresponding to the threaded hole, and a bolt penetrates through the mounting through holes to be connected with the threaded hole at the bottom of the steam engine support 5; the middle position of the steam engine bracket 5 is provided with a mounting threaded hole, and a bolt passes through the mounting threaded hole to be connected with the cylinder mounting seat 13.
All admission lines all are the hole, and the steam engine model does not have external trachea, arouses more easily that the student is curious, and all spare parts can all be dismantled the equipment, after dismantling, can let the student know the technology of drilling and the use of sealing member between the part.
And balance rods 8 are arranged on the outer side of the flywheel 7 in a circumferential mode, and when the balance rods 8 rotate to the bottom, the balance rods pass through a container which is placed on the base 1 and used for placing foam liquid. The balance rod 8 comprises a connecting rod and a foaming ring, one end of the connecting rod is connected with the flywheel 7, and the other end of the connecting rod is connected with the foaming ring. The balancing pole 8 is connected with the flywheel 7 through the screw thread of the connecting rod, and when demonstrating, can not install earlier and go up, and the cylinder piston 11 blocks motionlessly because steam inertia power is not enough when extreme position, can guide the student to think the analysis and block motionless reason, and this problem is solved to rethread installation balancing pole 8, guides the student to think deeply.
As shown in fig. 4, the exhaust pipe 9 includes a straight pipe 91, an inclined pipe 92, and an angle adjusting elbow 93, the straight pipe 91 is vertically connected with the exhaust hole of the steam engine bracket 5, an included angle a between the inclined pipe 92 and the straight pipe 91 is 30-60, and an outlet of the inclined pipe 92 is obliquely aligned with the foaming ring wall. The export of pipe chute 92 is oblique to the foaming circle wall, utilizes steam engine exhaust air current power, promotes the foaming circle wall and swings forward, and then solves cylinder piston 11 and block motionlessly because steam inertia power is not enough when extreme position, enters into the container of foam liquid after the foaming circle rotates simultaneously, can be at steam engine during operation, and the air current blows the foaming circle, blows out the papaw, can be according to the audio-visual judgement steam power of the quantity of per minute papaw and then the heating temperature and the water yield of adjustment heating furnace 2.
As shown in fig. 5, the angle-adjusting elbow 93 includes an innermost pipe inner layer 933, a pipe middle layer 932 sleeved outside the pipe inner layer 933, and a pipe outer layer 931 sleeved outside the pipe middle layer 932; the pipe outer layer 931 is made of a metal corrugated pipe, and the metal corrugated pipe can enable the angle adjusting elbow 93 to realize turning and stretching at any angle; the middle pipe layer 932 is made of carbon steel, can bear certain force after being bent at multiple angles, is used for supporting the angle of the straight pipe 91 and the inclined pipe 92 after being adjusted through the angle adjusting elbow 93, keeps the fixed angle unchanged, and the inner pipe layer 933 is made of a low-density high-pressure polyethylene hose, so that the air tightness performance is guaranteed, and air leakage and pressure relief are prevented.
The utility model relates to a steam engine model for gold worker practice teaching, the cylinder inlet channel of cylinder 12 and third inlet line 33 switch on and begin to admit air, and the pressure begins to expand in cylinder 12, promotes cylinder piston 11 and moves upwards, drives flywheel 7 through crank 4 and rotates; the cylinder 12 continuously admits air, the cylinder piston 11 reaches the upper limit position, the cylinder 12 swings along with the lengthening of the stroke of the cylinder 12, an air outlet hole of the cylinder 12 is communicated with an exhaust hole of the steam engine bracket 5, the exhaust pipe 9 exhausts air, and the cylinder returns; compared with a double-acting steam engine model, the steam engine model is simpler in principle, and for university students with rigid contact mechanical principles, the steam engine model is easier to understand the principle of mechanical transmission.
When the cylinder piston 11 is blocked because of insufficient steam inertia power at the extreme position, students can be guided to analyze the reason of the blocking, and then the balance rod 8 is installed to push the foaming ring wall to swing forwards by utilizing the airflow power exhausted by the steam engine so as to drive the cylinder piston 11 to smoothly pass through the extreme position, so that the students are guided to deeply think.
Compared with the traditional simple perfect demonstration teaching, the teaching model has defects, and a substitute solution is provided, so that the learning enthusiasm of students is excited more easily, all things which are learned by the students can be improved, the students are guided to provide own solutions, the imagination and creative thinking of the students are inspired, boring theoretical lectures become possible to provide own solutions, the components which need to be processed are completed through the metalworker practice teaching, and the metalworker practice theory and practice teaching is finally completed.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transformation that the content of the specification does, or directly or indirectly use in other related technical fields, all including in the same way the patent protection scope of the present invention.
Claims (5)
1. A steam engine model for metalworker practice teaching is characterized by comprising a base (1) for mounting a heating furnace bracket (3) and a steam engine bracket (5); a heating furnace (2) fixedly arranged on the heating furnace bracket (3) and used for outputting steam;
the steam engine heating furnace is characterized in that the base (1) is connected with the heating furnace support (3) and the steam engine support (5) through bolts, the top of the side face of the heating furnace support (3) is connected with the heating furnace (2) through bolts, a first air inlet pipeline (31) is arranged in the heating furnace support (3), a second air inlet pipeline (32) is arranged in the base (1), a third air inlet pipeline (33) is arranged in the steam engine support (5), the first air inlet pipeline (31) and the second air inlet pipeline (32) are connected with each other, the second air inlet pipeline (32) and the third air inlet pipeline (33) are connected with each other, and the upper end of the first air inlet pipeline (31) is connected with a steam outlet of the heating furnace (2); a rotating shaft (6) is installed at the upper end of the steam engine bracket (5), a flywheel (7) is installed at the rear end of the rotating shaft (6), a crank (4) is installed at the front end of the rotating shaft (6), the crank (4) is connected with a swinging seat (10) through a connecting rotating shaft, the lower end of the swinging seat (10) is provided with a cylinder piston (11), the cylinder piston (11) is arranged in a cylinder (12), the cylinder (12) is fixedly arranged on a cylinder mounting seat (13), cylinder mount pad (13) are through mount pad pivot and steam engine support (5) swing joint, a cylinder inlet channel and a cylinder air outlet channel have been seted up in cylinder mount pad (13), the export of cylinder air outlet channel and the exhaust hole connection of steam engine support (5), and blast pipe (9) are equipped with in the exhaust hole department of steam engine support (5), and cylinder inlet channel and No. two admission line (32) are connected.
2. The steam engine model for metalworker practice teaching of claim 1 wherein the balance bars (8) are mounted on the outer circumference of the flywheel (7) in a row, and when the balance bars (8) are turned to the bottom, they pass through a container for placing foam liquid on the base (1).
3. The steam engine model for metal working practice teaching as claimed in claim 2, wherein the balance bar (8) comprises a connecting rod and a foaming ring, one end of the connecting rod is connected with the flywheel (7), and the other end of the connecting rod is connected with the foaming ring.
4. The steam engine model for metalworker practice teaching of claim 1, wherein the exhaust pipe (9) comprises a straight pipe (91), an inclined pipe (92) and an angle adjusting elbow (93), the straight pipe (91) is vertically connected with the exhaust hole of the steam engine bracket (5), the included angle A between the inclined pipe (92) and the straight pipe (91) is 30-60 degrees, and the outlet of the inclined pipe (92) is obliquely opposite to the foaming ring wall.
5. The steam engine model for metalworking practice teaching of claim 4 wherein the angle adjustment elbow (93) comprises an innermost tube inner layer (933), a tube middle layer (932) sleeved outside the tube inner layer (933), and a tube outer layer (931) sleeved outside the tube middle layer (932); the outer pipe layer (931) is made of a metal corrugated pipe, the middle pipe layer (932) is made of carbon steel, and the inner pipe layer (933) is made of a low-density high-pressure polyethylene hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921113809.XU CN210378091U (en) | 2019-07-16 | 2019-07-16 | A steam engine model for gold worker practice teaching |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921113809.XU CN210378091U (en) | 2019-07-16 | 2019-07-16 | A steam engine model for gold worker practice teaching |
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| Publication Number | Publication Date |
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| CN210378091U true CN210378091U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921113809.XU Expired - Fee Related CN210378091U (en) | 2019-07-16 | 2019-07-16 | A steam engine model for gold worker practice teaching |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008216A1 (en) * | 2019-07-16 | 2021-01-21 | 马鞍山聚力科技有限公司 | Steam engine model with adjustable gas output for metalworking practice teaching |
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2019
- 2019-07-16 CN CN201921113809.XU patent/CN210378091U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021008216A1 (en) * | 2019-07-16 | 2021-01-21 | 马鞍山聚力科技有限公司 | Steam engine model with adjustable gas output for metalworking practice teaching |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20210716 |
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| CF01 | Termination of patent right due to non-payment of annual fee |