CN213716320U

CN213716320U - Automobile engine crankshaft detection training platform for teaching

Info

Publication number: CN213716320U
Application number: CN202021709066.5U
Authority: CN
Inventors: 阙广武; 程华; 张国晓
Original assignee: Zhejiang New Speed Education Technology Co ltd
Current assignee: Zhejiang New Speed Education Technology Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-07-16
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a practical training platform for detecting a crankshaft of an automobile engine for teaching, which comprises a supporting plate and a supporting mechanism, lifting drive mechanism, the backup pad up end is equipped with cylinder block and rack, it has the bent axle to support through V type frame on the rack, still be equipped with the stand, the stand top is rotated and is connected with the horizontal pole, it is equipped with the sliding sleeve to slide on the horizontal pole, be equipped with the slide on the sliding sleeve, be equipped with the vertical through-hole of axial on the slide, be equipped with the locking screw of fixed slide bar in the through-hole, the lower extreme of slide bar is equipped with the light, multiunit cylinder section of thick bamboo top that parallels on the cylinder block has erect rather than supporting simulation bent axle, the inside bottom of every group cylinder section of thick bamboo all is equipped with drives actuating cylinder, the axle head that drives actuating cylinder is equipped with cylinder section of thick bamboo clearance fit's piston, be equipped. The utility model discloses simple structure, novelty, the teaching of being convenient for is used.

Description

Automobile engine crankshaft detection training platform for teaching

Technical Field

The utility model relates to a real standard platform technical field specifically is a real standard platform of automobile engine bent axle detection is used in teaching.

Background

Real standard platform of automobile engine bent axle detection for teaching turns into the real check out test set of instructing of small and exquisite convenience, simple and easily understandable teaching to automobile engine internal parts, and when carrying out automobile teaching, real standard platform of automobile is the important instrument that supplementary student understood and mastered. But the defect of the existing automobile engine crankshaft detection training platform for teaching is as follows: the height of the chair cannot be adjusted, and the chair is not suitable for students with different heights to operate; the structure of the cylinder body is complex, and when light irradiates, an irradiation blind area is easy to exist, so that students cannot observe and detect the cylinder body finely; the crankshaft of the automobile engine can only be singly used as a support frame for detecting the crankshaft of the automobile engine, and the crankshaft cannot be demonstrated on the existing teaching training platform to be driven to rotate by a piston in a cylinder barrel on a cylinder body of the engine, so that the crankshaft is inconvenient for students to understand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile engine bent axle detects real standard platform for teaching to solve the problem of proposing among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a practical training platform for detecting a crankshaft of an automobile engine for teaching comprises a supporting plate, a supporting mechanism and a lifting driving mechanism, wherein a cylinder body and a rack are arranged on the upper end face of the supporting plate, the crankshaft is supported on the rack through a V-shaped frame, a stand column is further arranged on the rack, the top end of the stand column is rotatably connected with a horizontal rod capable of horizontally swinging, a sliding sleeve is arranged on the horizontal rod in a sliding manner, a sliding seat is arranged on the sliding sleeve, an axially vertical through hole is formed in the sliding seat, a sliding rod parallel to the stand column is arranged in the through hole, a locking screw for fixing the sliding rod is arranged on the sliding seat, a lighting lamp is arranged at the lower end of the sliding rod, a simulation crankshaft matched with the sliding seat is erected above a plurality of groups of parallel cylinder barrels on the cylinder body, a driving cylinder is arranged at the bottom end inside each, the simulation crankshaft is provided with a plurality of connecting rods hinged with pistons in a plurality of groups of cylinder barrels, two groups of supporting mechanisms are symmetrically arranged on the lower end surface of the supporting plate, each supporting mechanism comprises an inner rod, an outer rod, a supporting strip and a brake roller, the inner rod is arranged in the outer rod in a sliding manner, the lower end of the inner rod is vertically connected with the supporting strip, the brake rollers are symmetrically arranged on the supporting strip, the upper end of the outer rod is vertically connected with the lower end surface of the supporting plate, the lifting driving mechanism is arranged on the lower end surface of the supporting plate and comprises a bidirectional screw rod, a screw nut, force arms and a driving motor, the bidirectional screw rod is horizontally erected on the lower end surface of the supporting plate, the screw nuts are symmetrically and threadedly connected on double-thread sections of the bidirectional screw rod, the force arms are provided with two groups, one ends of the, the driving motor is in driving connection with the bidirectional lead screw.

Further, the inner cavity of the rack is used for placing measuring tools for detecting the cylinder block and the crankshaft.

Furthermore, the outer rod is provided with a guide groove parallel to the sliding direction of the inner rod, and a guide bolt connected with the inner rod is arranged in the guide groove.

Furthermore, a bearing is arranged at the connecting point of the upright post and the cross rod, the inner ring of the bearing is concentrically connected with the upright post, and the outer ring of the bearing is connected with the cross rod.

The utility model has the advantages that:

the utility model provides a real standard platform of automobile engine bent axle detection for teaching, its simple structure, novelty through the relation of connection between stand, horizontal pole, sliding sleeve, slide bar, can realize that the light moves at will above cylinder block and piston, and also can the downstream simultaneously, is close to cylinder block and bent axle to be detected, can effectively avoid the irradiation blind area like this, makes things convenient for the student to observe and detect slightly; the bidirectional screw rod is driven by a driving motor of the lifting driving mechanism, two groups of screw rod nuts on the bidirectional screw rod respectively drive two groups of force arms, when the two groups of screw rod nuts move inwards, the adjacent ends of the two groups of force arms draw close inwards, the outer rod moves downwards, the supporting plate descends, the outer rod ascends under reverse driving, and the lifting driving mechanism is suitable for students with different heights to operate; the driving cylinders in the multiple groups of cylinder barrels move in a coordinated mode step by step on the cylinder body, so that the pistons drive the connecting rods to move, the crankshaft rotation is achieved, students can demonstrate the rotation of the piston driving crankshafts on the practical training platform, the students can conveniently deepen understanding, and the driving cylinders drive the pistons to move, so that the phenomenon that fuel oil burns gas expansion in the cylinder barrels to drive the pistons to move is simulated.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a schematic structural diagram of the lifting driving mechanism driving the supporting plate to lift.

FIG. 4 is a schematic view of a piston-driven crankshaft in a cylinder bore of a cylinder block

In the figure: 1. the device comprises a supporting plate, 2, a cylinder body, 3, a rack, 4, a V-shaped rack, 5, a crankshaft, 6, a stand column, 7, a cross rod, 8, a sliding sleeve, 9, a sliding seat, 10, a sliding rod, 11, a locking screw, 12, a lighting lamp, 13, a cylinder barrel, 14, a simulation crankshaft, 15, a driving cylinder, 16, a piston, 17, a connecting rod, 18, an inner rod, 19, an outer rod, 20, a supporting rod, 21, a brake roller, 22, a guide groove, 23, a guide bolt, 24, a bidirectional screw rod, 25, a screw nut, 26, a force arm, 27 and a driving motor.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in figures 1-4, the utility model provides a practical training platform for crankshaft detection of an automobile engine for teaching, which comprises a supporting plate 1, a supporting mechanism and a lifting driving mechanism, wherein the upper end surface of the supporting plate 1 is provided with a cylinder block 2 and a rack 3, the rack 3 is supported with a crankshaft 5 through a V-shaped rack 4, the rack 3 is further provided with a column 6, the top end of the column 6 is rotatably connected with a horizontal rod 7 capable of swinging horizontally, the horizontal rod 7 is provided with a sliding sleeve 8 in a sliding way, the sliding sleeve 8 is provided with a sliding seat 9, the sliding seat 9 is provided with an axial vertical through hole, a sliding rod 10 parallel to the column 6 is arranged in the through hole, the sliding seat 9 is provided with a locking screw 11 for fixing the sliding rod 10, the lower end of the sliding rod 10 is provided with a lighting lamp 12, a plurality of parallel cylinder barrels 13 on the cylinder block 2 are provided with simulated crankshafts 14 matched with, the shaft end of a driving cylinder 15 is provided with a piston 16 in clearance fit with a cylinder barrel 13, a plurality of connecting rods 17 hinged with the pistons 16 in a plurality of groups of cylinder barrels 13 are arranged on a simulation crankshaft 14, two groups of supporting mechanisms are symmetrically arranged on the lower end surface of a supporting plate 1, each supporting mechanism comprises an inner rod 18, an outer rod 19, a supporting strip 20 and a brake roller 21, the inner rod 18 is arranged in the outer rod 19 in a sliding manner, a guide groove 22 parallel to the sliding direction of the inner rod 18 is arranged on the outer rod 19, a guide bolt 23 connected with the inner rod 18 is arranged in the guide groove 22, the lower end of the inner rod 18 is vertically connected with the supporting strip 20, the brake rollers 21 are symmetrically arranged on the supporting strip 20, the upper end of the outer rod 19 is vertically connected with the lower end surface of the supporting plate 1, a lifting driving mechanism is arranged on the lower end surface of the supporting plate 1 and comprises, the double-thread section of the bidirectional screw 24 is symmetrically connected with screw nuts 25 in a threaded manner, the force arms 26 are provided with two groups, one end of each group of force arms 26 is respectively hinged with the two groups of screw nuts 25, the other end of each group of force arms 26 is respectively hinged with the inner rods 18 of the two groups of supporting mechanisms, and the driving motor 27 is in driving connection with the bidirectional screw 24.

In the present embodiment, the inner cavity of the table 3 is used for placing a measuring tool for detecting the cylinder block 2 and the crankshaft 5.

Specifically, a bearing is arranged at the connecting point of the upright post 6 and the cross rod 7, the inner ring of the bearing is concentrically connected with the upright post 6, and the outer ring of the bearing is connected with the cross rod 7.

By integrating the technical scheme of the utility model, the structure is simple and novel, the illuminating lamp 12 can be moved above the cylinder body 2 and the piston 16 at will through the connection relation among the upright post 6, the cross rod 7, the sliding sleeve 8, the sliding seat 9 and the sliding rod 10, and the illuminating lamp can also move downwards at the same time to be close to the cylinder body 2 and the crankshaft 5 to be detected, so that the irradiation blind zone can be effectively avoided, and the fine observation and detection of students are facilitated; the two-way screw rod 24 is driven by a driving motor 27 of the lifting driving mechanism, two groups of screw nuts 25 on the two-way screw rod 24 respectively drive two groups of force arms 26, when the two groups of screw nuts 25 move inwards, the adjacent ends of the two groups of force arms 26 are drawn together inwards, the outer rod 19 moves downwards, and therefore the supporting plate 1 descends, and the supporting plate ascends under the reverse driving, so that the lifting driving mechanism is suitable for students with different heights to operate; the driving cylinders 15 in the multiple groups of cylinder barrels 13 on the cylinder block 2 move in a stepwise cooperative manner, so that the piston 16 drives the connecting rod 17 to move, the simulated crankshaft 14 is rotated, the students can be demonstrated on a practical training platform that the pistons 16 drive the crankshaft 5 to rotate, and the students can deepen understanding conveniently, wherein the driving cylinders 15 drive the pistons 16 to move, and fuel oil is combusted in the cylinder barrels of the cylinder block to generate gas and the gas expands to drive the pistons to move when the simulated automobile engine works.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A practical training platform for detecting a crankshaft of an automobile engine for teaching is characterized by comprising a supporting plate, a supporting mechanism and a lifting driving mechanism, wherein the upper end face of the supporting plate is provided with a cylinder body and a rack, the rack is supported with a crankshaft through a V-shaped rack, the rack is also provided with a stand column, the top end of the stand column is rotatably connected with a horizontal rod capable of horizontally swinging, the horizontal rod is provided with a sliding sleeve in a sliding manner, the sliding sleeve is provided with a sliding seat, the sliding seat is provided with an axial vertical through hole, a sliding rod parallel to the stand column is arranged in the through hole, the sliding seat is provided with a locking screw for fixing the sliding rod, the lower end of the sliding rod is provided with a lighting lamp, a plurality of groups of cylinder cylinders parallel to each other on the cylinder body are provided with matched simulation crankshafts above the cylinder cylinders, the bottom end inside each group of cylinder cylinders, the simulation crankshaft is provided with a plurality of connecting rods hinged with pistons in a plurality of groups of cylinder barrels, two groups of supporting mechanisms are symmetrically arranged on the lower end surface of the supporting plate, each supporting mechanism comprises an inner rod, an outer rod, a supporting strip and a brake roller, the inner rod is arranged in the outer rod in a sliding manner, the lower end of the inner rod is vertically connected with the supporting strip, the brake rollers are symmetrically arranged on the supporting strip, the upper end of the outer rod is vertically connected with the lower end surface of the supporting plate, the lifting driving mechanism is arranged on the lower end surface of the supporting plate and comprises a bidirectional screw rod, a screw nut, force arms and a driving motor, the bidirectional screw rod is horizontally erected on the lower end surface of the supporting plate, the screw nuts are symmetrically and threadedly connected on double-thread sections of the bidirectional screw rod, the force arms are provided with two groups, one ends of the, the driving motor is in driving connection with the bidirectional lead screw.

2. The practical training platform for crankshaft detection of the teaching automobile engine as claimed in claim 1, wherein the inner cavity of the platform is used for placing measuring tools for detecting the cylinder block and the crankshaft.

3. The practical training platform for the crankshaft detection of the automobile engine for teaching according to claim 1, wherein a guide groove parallel to the sliding direction of the inner rod is formed in the outer rod, and a guide bolt connected with the inner rod is arranged in the guide groove.

4. The practical training platform for the crankshaft detection of the automobile engine for teaching according to claim 1, wherein a bearing is arranged at the connecting point of the upright post and the cross rod, the inner ring of the bearing is concentrically connected with the upright post, and the outer ring of the bearing is connected with the cross rod.