Practical training platform for single-tube and double-tube conversion of passenger car

Abstract

The utility model relates to the technical field of teaching aids, and discloses a passenger car single-double tube conversion practical training platform which comprises a working frame, at least fifteen connecting grooves are formed in the top of the working frame, connecting blocks are connected to the inner walls of the connecting grooves in an inserted mode, and the left sides and the right sides of the inner walls of the connecting blocks are connected with the inner walls of the connecting grooves through limiting assemblies. A fixing ring is fixedly connected to the top of the connecting block, four supporting columns are fixedly connected to the bottom of the working frame, adjusting grooves are formed in the front sides of the supporting columns on the left side and the right side, and three connecting plates connected with equipment such as a power source are slidably connected to the front sides of the inner walls of the adjusting grooves on the left side and the right side. According to the fixing device, the adjusting sliding block is pushed to drive the limiting inserting block to slide, fixing of the connecting block is relieved, the fixing ring is taken out to be replaced, the connecting block is aligned with the connecting groove to be inserted after replacement is completed, and the limiting inserting block is reset to be inserted into the connecting block to fix the connecting block.

Description

TECHNICAL FIELD

[0001] The utility model relates to teaching aid technical field especially, it relates to a bus single -double pipe conversion practical training platform. BACKGROUND

[0002] Bus single -double pipe conversion involves complex gas circuit principle, valve operation and conversion logic under different working conditions and other theoretical knowledge. Through the practical training model, students can directly see the trend of gas circuit, the opening and closing state of valve and the pressure change in the conversion process, thereby converting the abstract theoretical knowledge into specific practical operation and intuitive phenomenon observation, deepening the understanding of single -double pipe conversion principle. In the process of actually operating the practical training model, students can personally experience and verify whether the learned theoretical knowledge is correct, find the difference between theory and practice, timely correct the wrong understanding, improve the mastery degree and application ability of theoretical knowledge.

[0003] The existing practical training platform usually connects single -double pipe with fixed ring, but the connection mode for fixed ring is usually welded by electric welding, if it is needed to replace the fixed ring to meet the demand according to the specification of single -double pipe, it is very inconvenient. In view of this technical problem, the present application provides a bus single -double pipe conversion practical training platform. UTILITY MODEL CONTENT

[0004] The utility model discloses a bus single -double pipe conversion practical training platform, removes the fixed ring by driving the adjusting sliding block and driving the limiting insert block to slide, fixes the connecting block in the connecting slot, fixes the connecting block in the connecting block by resetting the limiting insert block, so that the fixed ring is convenient according to the specification of single -double pipe.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A bus single -double pipe conversion practical training platform, including the work rest, the work rest top is set up with at least fifteen connecting slots, the connecting block is inserted in the connecting slot inner wall, the left and right sides of connecting block inner wall are connected with the connecting slot inner wall through the limiting component, and the limiting component is used for limiting the connecting block, the fixed ring is fixedly connected on the connecting block top, four support columns are fixedly connected on the work rest bottom, and the adjusting slot is set up on the left and right sides of support column front side, three connecting plates that connect power supply equipment etc. are slidably connected on the left and right sides of adjusting slot inner wall front side, and the left and right sides of adjusting slot inner wall are connected with the adjusting groove through the adjusting assembly on the back of connecting plate, and the adjusting assembly is used for limiting the connecting plate.

[0007] Further, the limiting assembly comprises two limiting blocks slidingly connected to the left and right inner walls of the connecting groove, the top of one side of the two limiting blocks is inserted into the left and right inner walls of the connecting block, the bottom of one side of the two limiting blocks is fixedly connected with a limiting spring, the outer wall of the limiting spring is fixedly connected with a fixed plate, and the outer wall of the fixed plate is fixedly connected with the inner wall of the connecting groove.

[0008] Further, the top of the other side of the two limiting blocks is fixedly connected with an adjusting sliding block.

[0009] Further, the bottom of the limiting block is fixedly connected with a limiting sliding block, and the outer wall of the limiting sliding block is slidingly connected with the bottom of the inner wall of the connecting groove.

[0010] Further, the adjusting assembly comprises two limiting gears rotatingly connected to the rear side of the connecting plate, the left inner wall of the adjusting groove is fixedly connected with a second rack, the left side of the outer wall of the limiting gear is meshedly connected with the right side of the second rack, the right inner wall of the adjusting groove is slidingly connected with a first rack, and the right side of the outer wall of the limiting gear is meshedly connected with the left side of the first rack.

[0011] Further, the bottom of the right inner wall of the adjusting groove is fixedly connected with a limiting sliding rod, and the bottom of the first rack is slidingly connected with the outer wall of the limiting sliding rod.

[0012] Further, the top of the right inner wall of the adjusting groove is rotatingly connected with a threaded rod, the top of the first rack is threadedly connected with the outer wall of the threaded rod, and the right end of the threaded rod is fixedly connected with an adjusting handle.

[0013] Further, the inner wall of the gear groove is slidingly connected with the outer wall of the limiting gear.

[0014] The utility model has the advantages of the following:

[0015] 1. In the utility model, the limiting block is driven to slide by the adjusting sliding block, the fixing of the connecting block is released, the fixed ring is taken out for replacement, the connecting block is inserted into the connecting groove after replacement, the limiting block is reset and inserted into the connecting block to fix the connecting block, so that the fixed ring can be conveniently replaced according to the specifications of single and double pipes.

[0016] 2. In the utility model, the fixing of the limiting gear is released by rotating the adjusting handle, and the height of the power supply and other equipment is adjusted by sliding the connecting plate, and the connecting plate is fixed after the height is adjusted. DRAWINGS

[0017] Fig. 1 A perspective view of a passenger car single and double pipe conversion practical training platform is provided.

[0018] Fig. 2A limiting spring schematic view of a passenger train single-double tube conversion practical training platform is provided in the utility model;

[0019] Fig. 3 A limiting plug block schematic view of a passenger train single-double tube conversion practical training platform is provided in the utility model;

[0020] Fig. 4 A limiting gear schematic view of a passenger train single-double tube conversion practical training platform is provided in the utility model;

[0021] Fig. 5 A limiting sliding rod schematic view of a passenger train single-double tube conversion practical training platform is provided in the utility model;

[0022] Fig. 6 A threaded rod schematic view of a passenger train single-double tube conversion practical training platform is provided in the utility model.

[0023] Legend:

[0024] 1, work stand; 2, support column; 3, connecting plate; 4, fixed ring; 5, connecting block; 6, limiting plug block; 7, fixed plate; 8, limiting spring; 9, adjusting sliding block; 10, limiting sliding block; 11, adjusting handle; 12, limiting gear; 13, first rack; 14, second rack; 15, limiting sliding rod; 16, threaded rod. Specific embodiments

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Reference Figs. 1-3The utility model provides an embodiment: including work frame 1, work frame 1 top is equipped with at least fifteen connecting slots, connecting slot inner wall inserts the connecting block 5, and the left and right sides of connecting slot inner wall are all slidingly connected with the limiting insert block 6, and the top of the side near two limiting insert blocks 6 is inserted with the left and right sides of connecting block 5 inner wall, and the bottom of the side near two limiting insert blocks 6 is fixedly connected with the limiting spring 8, and the middle side of limiting spring 8 outer wall is fixedly connected with the fixed plate 7, and the fixed plate 7 outer wall is fixedly connected with the connecting slot inner wall, so that the middle fixed of limiting spring 8 will not displace, and limiting spring 8 rebound pulls limiting insert block 6 reset and inserts in connecting block 5, the top of the side away from two limiting insert blocks 6 is fixedly connected with the adjusting sliding block 9, and the adjusting sliding block 9 drives limiting insert block 6 to slide, and the bottom of limiting insert block 6 is fixedly connected with the limiting sliding block 10, and the outer wall of limiting sliding block 10 is slidingly connected with the bottom side of connecting slot inner wall, so that the sliding of limiting insert block 6 is more stable, and the top of connecting block 5 is fixedly connected with the fixed ring 4, and single double pipe is connected, and the bottom of work frame 1 is fixedly connected with four support columns 2, and work frame 1 is supported,

[0027] Referring to Figs. 4-6 , the front side of left and right side support columns 2 is equipped with adjusting groove, and the front side of the inner wall of left and right side adjusting groove is slidingly connected with three connecting plates 3 of connecting power supply equipment, and the rear side of connecting plate 3 is rotatably connected with two limiting gears 12, and the left side of the inner wall of adjusting groove is fixedly connected with second rack 14, and the left side of the outer wall of limiting gear 12 is meshingly connected with the right side of second rack 14, so that when connecting plate 3 is sliding, limiting gear 12 is meshed with second rack 14, drives limiting gear 12 to rotate regularly, and the right side of the inner wall of adjusting groove is slidingly connected with first rack 13, and the right side of the outer wall of limiting gear 12 is meshingly connected with the left side of first rack 13, and first rack 13 is slidingly connected with second rack 14 to fix limiting gear 12, and the bottom of first rack 13 is slidingly connected with the outer wall of limiting sliding rod 15, so that the sliding of first rack 13 is more stable, and the top of the right side of the inner wall of adjusting groove is rotatably connected with threaded rod 16, and the top of first rack 13 is threadedly connected with the outer wall of threaded rod 16, and the right end of threaded rod 16 is fixedly connected with adjusting handle 11, and rotating adjusting handle 11 drives threaded rod 16 to rotate, and threaded rod 16 rotation drives first rack 13 to slide, and the inner wall of adjusting groove is equipped with gear slot, and the outer wall of limiting gear 12 is slidingly connected with the inner wall of gear slot, so that limiting gear 12 is aligned with gear slot and first rack 13 is detached from adjusting groove.

[0028] Working principle: when the fixed ring 4 needs to be replaced according to the specifications of single and double tubes, the adjusting slider 9 is pushed to drive the limiting plug 6 to slide, thereby releasing the fixing of the connecting block 5, the fixed ring 4 is taken out for replacement, after the replacement is completed, the connecting block 5 is inserted into the connecting groove, the limiting plug 6 is pushed to slide in the process of insertion, when the connecting block 5 is completely inserted into the connecting groove, the limiting spring 8 rebounds to pull the limiting plug 6 to reset and insert into the connecting block 5 to fix the connecting block 5. When the position of the power supply and other equipment connected by the connecting plate 3 needs to be adjusted to meet the height requirement, the adjusting handle 11 is rotated to drive the threaded rod 16 to rotate, the threaded rod 16 rotates to drive the first rack 13 to slide to release the fixing of the limiting gear 12, the connecting plate 3 is slid to adjust the height of the power supply and other equipment, when sliding, the limiting gear 12 is engaged with the second rack 14 to drive the limiting gear 12 to rotate regularly, when the height adjustment is completed, the adjusting handle 11 is rotated to make the first rack 13 slide to fix the limiting gear 12 with the second rack 14.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A passenger car single-double tube conversion practical training platform, characterized in that, The utility model provides a work frame, the work frame (1) top is provided with at least fifteen connecting slots, the connecting block (5) is inserted in the inner wall of connecting slot, the left and right sides of connecting block (5) are connected with the inner wall of connecting slot through limiting component, be used for limiting connecting block (5), the fixed ring (4) is fixedly connected to the top of connecting block (5), the bottom of work frame (1) is fixedly connected with four support columns (2), the front side of left and right sides support column (2) is provided with adjusting groove, the front side of left and right sides adjusting groove inner wall is slidably connected with three connecting plates (3) of connecting power etc.

2. The single-double tube conversion training platform for a passenger car according to claim 1, characterized in that: The limiting component includes a limiting insert block (6) slidably connected to the left and right sides of the inner wall of the connecting slot, the top of the proximal side of the two limiting insert blocks (6) is inserted into the left and right sides of the inner wall of the connecting block (5), the bottom of the proximal side of the two limiting insert blocks (6) is fixedly connected to a limiting spring (8), the outer wall of the limiting spring (8) is fixedly connected to a fixed plate (7), and the outer wall of the fixed plate (7) is fixedly connected to the inner wall of the connecting slot.

3. The single-double tube conversion training platform for a passenger car according to claim 2, characterized in that: The top of the distal side of the two limiting insert blocks (6) is fixedly connected to an adjusting sliding block (9).

4. The single-double tube conversion training platform for a bus according to claim 2, characterized in that: The bottom of the limiting insert block (6) is fixedly connected to a limiting sliding block (10), and the outer wall of the limiting sliding block (10) is slidably connected to the bottom side of the inner wall of the connecting slot.

5. The single-double tube conversion training platform for a bus according to claim 1, characterized in that: The adjusting assembly includes two limiting gears (12) rotatably connected to the rear side of the connecting plate (3), a second gear rack (14) is fixedly connected to the left side of the inner wall of the adjusting slot, the left side of the outer wall of the limiting gear (12) is meshingly connected to the right side of the second gear rack (14), a first gear rack (13) is slidably connected to the right side of the inner wall of the adjusting slot, and the right side of the outer wall of the limiting gear (12) is meshingly connected to the left side of the first gear rack (13).

6. The single-double tube conversion training platform for a passenger car according to claim 5, characterized in that: The bottom of the first gear rack (13) is slidably connected to the outer wall of a limiting sliding rod (15) fixedly connected to the right side of the bottom of the inner wall of the adjusting slot.

7. The single-double tube conversion training platform for a bus according to claim 5, characterized in that: A threaded rod (16) is rotatably connected to the top of the right side of the inner wall of the adjusting slot, the top of the first gear rack (13) is threadedly connected to the outer wall of the threaded rod (16), and the right end of the threaded rod (16) is fixedly connected to an adjusting handle (11).

8. The single-double tube conversion training platform for a bus according to claim 5, characterized in that: The inner wall of the adjusting slot is provided with a tooth groove, and the outer wall of the limiting gear (12) is slidably connected to the inner wall of the tooth groove.

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