CN211318482U

CN211318482U - Photoelectric speed sensor test bed

Info

Publication number: CN211318482U
Application number: CN202020197385.6U
Authority: CN
Inventors: 毕丽君; 石亚芹
Original assignee: Yantai Lijun Electronic Co ltd
Current assignee: Yantai Lijun Electronic Co ltd
Priority date: 2020-02-22
Filing date: 2020-02-22
Publication date: 2020-08-21
Anticipated expiration: 2030-02-22

Abstract

The utility model discloses a photoelectric speed sensor test bed, which comprises a test bed and an operation board; the operating plate is vertically arranged on the test bed; the operating plate is hinged with the test bed; a rectangular accommodating groove is formed in the test bed; the depth of the accommodating groove is matched with the thickness of the operating plate; a first threaded hole and a second threaded hole are formed in the test bed and the operating plate; and the first threaded hole and the second threaded hole are internally and uniformly connected with a limiting rod in a threaded manner. The utility model discloses have under the condition that does not use the test bench, accomodate the operation panel into the accomodating inslot of test bench, not only save space but also be convenient for the technological effect of transport.

Description

Photoelectric speed sensor test bed

Technical Field

The utility model belongs to the technical field of the technique of test bench and specifically relates to a photoelectric velocity sensor test bench is related to.

Background

At present, the electronic technology is a subject with strong practicability and wide practicability, and practical teaching links, namely, links closely related to theoretical courses such as experiments, practice, course design and the like, must be made for mastering the electronic and electrotechnical technology. Therefore, the application of the test bed cannot be separated when course teaching such as experiment, practice, course design and the like is carried out.

The utility model discloses a patent that the grant publication number is CN206574354U can be referred to current technique, it discloses an electrician's electronic test bench, including experiment table and operation demonstration platform, the desktop fixed mounting of experiment table has two spinal branch vaulting poles, the operation demonstration platform utilizes the pivot to rotate and installs on two spinal branch vaulting poles, the one end of pivot is connected with positioner, positioner includes positioning gear and the locating pin axle that corresponds the setting with positioning gear, positioning gear and the coaxial fixed connection of pivot, fixed mounting has spacing seat on the bracing piece, two spacing downtheholes of locating spacing seat are worn to locate in the activity of locating pin axle, positioning pin axle wears to be equipped with compression spring and retaining ring in proper order, compression spring and spacing retaining ring all are located between two spacing holes, compression spring compresses tightly and contradicts between spacing seat and retaining. The utility model discloses make the teacher can carry out the show directly perceived to the student that is in each angle of test bench when demonstrating the operation, improved the efficiency of electronic practice teaching.

The above prior art solutions have the following drawbacks: the utility model arranges the operation demonstration table on the test bed, which improves the teaching efficiency; however, in the case of not using the test bed, the operation demonstration table occupies a certain space, and the test bed is inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a photoelectric velocity sensor test bench accomodates the operation panel into the inslot of accomodating of test bench under the condition of not using test bench, not only save space but also be convenient for carry.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a photoelectric speed sensor test bed comprises a test bed and an operation board; the operating plate is vertically arranged on the test bed; the operating plate is hinged with the test bed; a rectangular accommodating groove is formed in the test bed; the depth of the accommodating groove is matched with the thickness of the operating plate; a first threaded hole and a second threaded hole are formed in the test bed and the operating plate; and the first threaded hole and the second threaded hole are internally and uniformly connected with a limiting rod in a threaded manner.

By adopting the technical scheme, when the operation panel is used, the operation panel is opened from the accommodating groove, and then the limiting rod sequentially penetrates through the test bed and the first threaded holes in the operation panel to fix the operation panel; when need not to use the test bench, insert into the second threaded hole with the gag lever post, accomodate into the groove of accomodating to the operation panel, both saved the space and be convenient for the transport of test bench again.

The utility model discloses further set up to: and a layer of protective gasket is glued and connected on the inner surface of the groove.

Through adopting above-mentioned technical scheme, the guard washer plays the effect of protection, when preventing to accomodate the operation panel, takes place to collide with in accomodating the inslot.

The utility model discloses further set up to: a cover plate is arranged on the accommodating groove; fixing components are arranged at two ends of the cover plate; the fixing assembly comprises an upper pressing plate and a lower pressing plate; the lower pressure plate is fixedly connected with a flange, and the lower end face of the test bed is fixedly connected with a fixing groove matched with the flange; third threaded holes are formed in the upper pressing plate and the cover plate; and the third threaded hole is internally threaded with a fastening bolt.

By adopting the technical scheme, in the using process, the operating plate is arranged vertical to the test bed, and the cover plate is arranged above the accommodating groove, so that the use is convenient and the use area of the test bed is increased; the fastening bolts are screwed down to fix the upper pressing plate and the lower pressing plate on the cover plate, so that the cover plate is prevented from shaking in the carrying process; be equipped with the turn-ups on the holding down plate and the joint plays the technological effect that prevents the removal of fixed subassembly in the recess of test bench.

The utility model discloses further set up to: the lower pressing plate is L-shaped, and a sliding rail is fixedly connected to the side wall of the lower pressing plate; one end of the upper pressing plate is provided with a sliding groove matched with the sliding rail; the upper pressure plate is connected with the lower pressure plate in a sliding manner; the upper end fixedly connected with stopper of slide rail.

By adopting the technical scheme, the upper pressing plate is connected with the lower pressing plate in a sliding manner, so that the cover plate pressing device can meet the use requirements of cover plates with different thicknesses; meanwhile, the limiting block plays a limiting role, and the upper pressure plate is prevented from sliding off the fixed assembly.

The utility model discloses further set up to: the upper surface of the cover plate is fixedly connected with a ceramic insulating layer.

By adopting the technical scheme, the ceramic insulating layer can prevent the phenomenon of electric shock in the using process and has the technical effect of protecting a tester.

The utility model discloses further set up to: the lower end face of the test bed is fixedly connected with four support columns; and the lower end face of each supporting column is fixedly connected with a universal wheel.

Through adopting above-mentioned technical scheme, set up the universal wheel and can improve the flexibility of test bench on the lower terminal surface of test bench, be convenient for remove.

The utility model discloses further set up to: a lifting assembly is arranged between the supporting column and the test bed; the lifting assembly comprises a cylinder and a piston rod; the upper end of the cylinder is fixedly connected with the test bed, and the lower end of the cylinder is connected with the piston rod in a sliding manner; the lower end of the piston rod is fixedly connected with the upper end face of the supporting column.

Through adopting above-mentioned technical scheme, the cylinder can drive piston rod up-and-down motion, and then drives the lift of whole test bench, can satisfy different height laboratory technician's operation requirement.

The utility model discloses further set up to: a storage cabinet is arranged on the test bed; the storage cabinet is hinged with a cabinet door, and the cabinet door is fixedly connected with a handle.

Through adopting above-mentioned technical scheme, the cabinet has the technological effect of storing article.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the test bed is used, the operation plate is opened from the accommodating groove, and then the limiting rod sequentially penetrates through the test bed and the first threaded holes in the operation plate to fix the operation plate; when the test bed is not needed, the limiting rod is inserted into the second threaded hole, and the operation plate is accommodated in the accommodating groove, so that the space is saved and the test bed is convenient to carry;

2. set up lifting unit between test bench and support column, start the piston rod motion through the cylinder, and then drive the holistic lift of test bench, can satisfy not co-altitude tester's operation requirement.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the test stand in the example;

FIG. 2 is a schematic structural view of a cover plate in the embodiment;

FIG. 3 is a schematic structural view of a fixing member in the embodiment;

fig. 4 is a schematic structural diagram of the lifting assembly in the embodiment.

Reference numerals: 1. a test bed; 11. a receiving groove; 111. a protective gasket; 2. an operation panel; 21. a second threaded hole; 22. a limiting rod; 23. a first threaded hole; 3. a storage cabinet; 4. a cabinet door; 41. a handle; 5. a cover plate; 51. a ceramic insulating layer; 6 fixing the component; 61. an upper pressure plate; 611. fastening a bolt; 612. a third threaded hole; 613. a chute; 614. a limiting groove; 62. a lower pressing plate; 621. flanging; 622. a slide rail; 623. a limiting block; 624. a bump; 7. a support pillar; 8. a universal wheel; 9. a lifting assembly; 91. a cylinder; 92. a piston rod.

Detailed Description

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

Referring to fig. 1 and 2, a photoelectric speed sensor test bed disclosed by the present invention comprises a test bed 1 and an operation board 2; the test bed 1 and the operation plate 2 are both in a prism shape, and the length of the test bed 1 is greater than that of the operation plate 2; the operating plate 2 is vertically arranged on the test bed 1; one edge of the operating plate 2 is hinged with one edge of the test bed 1; both ends of the test bed 1 and the operation plate 2 are provided with first threaded holes 23; the first threaded hole 23 is internally threaded with a limiting rod 22; when the operating panel 2 is opened, the limiting rod 22 sequentially penetrates through the test bed 1 and the operating panel 2, and the test bed 1 and the operating panel 2 can be fixed; when the operating plate 2 is closed, the limiting rod 22 is inserted into the second threaded hole 21 and is in threaded connection with the second threaded hole 21, and the limiting rod 22 sequentially penetrates through the test bed 1 and the operating plate 2 to fix the operating plate 2; the lower end of the test bed 1 is provided with two storage cabinets 3; the two storage cabinets 3 are hinged with cabinet doors 4, and the cabinet doors 4 are fixedly connected with handles 41; the lower end face of the test bed 1 is fixedly connected with four support columns 7; the bottom of each supporting column 7 is fixedly connected with a universal wheel 8.

The upper surface of the test bed 1 is provided with a rectangular accommodating groove 11; the size of the accommodating groove 11 is the same as that of the operating plate 2, and the depth of the accommodating groove 11 is matched with the thickness of the operating plate 2; a protective gasket 111 is glued on the inner surface of the accommodating groove 11; a cover plate 5 in a rectangular shape is arranged above the accommodating groove 11; the upper surface of the cover plate 5 is fixedly connected with a ceramic insulating layer 51.

Referring to fig. 3, fixing members 6 are provided at both ends of the cover plate 5; the fixing assembly 6 comprises an upper pressing plate 61 and a lower pressing plate 62; the upper platen 61 is prism-shaped; the lower pressing plate 62 is L-shaped, and the lower end surface is fixedly connected with a flange 621; the upper end surface of the flanging 621 is inclined; the lower pressing plate 62 is arranged perpendicular to the test bed 1, and a groove matched with the flanging 621 is formed in the lower end face of the test bed 1; the flanging 621 of the lower pressure plate 62 is clamped in the groove of the test bed 1 in an interference fit manner; a slide rail 622 is fixedly connected to the side wall of the lower press plate 62, and the slide rail 622 is arranged along the length direction of the side wall of the lower press plate 62; one end of the upper press plate 61 is provided with a sliding groove 613 matched with the sliding rail 622; the upper press plate 61 is slidably connected to the lower press plate 62.

Two convex blocks 624 are fixedly connected to two side surfaces of the sliding rail 622; two protrusions 624 are disposed along the length of the sliding rail 622; two sides of the sliding groove 613 are provided with two limit grooves 614; the bump 624 is clamped in the limiting groove 614 and is in sliding connection with the limiting groove 614 to prevent the upper press plate 61 from falling off from the slide rail 622; the upper end of the slide rail 622 is fixedly connected with a limiting block 623; a third threaded hole 612 is formed in the upper pressure plate 61; a fastening bolt 611 is connected with the inner thread of the third threaded hole 612; the fastening bolt 611 passes through the upper pressure plate 61 and the cover plate 5 in this order.

Referring to fig. 1 and 4, a lifting assembly 9 is arranged between the test bed 1 and the support column 7; the lifting assembly comprises a cylinder 91 and a piston rod 92; the air cylinder 91 is a stroke-adjustable air cylinder and is arranged vertically downwards relative to the test bed 1; one end of the cylinder 91 is fixedly connected with the test bed 1, and the other end is connected with the piston rod 92 in a sliding manner; the lower end of the piston rod 92 is fixedly connected with the supporting column 7.

The implementation principle of the embodiment is as follows: when the device is used, firstly, the operation plate 2 is lifted from the accommodating groove 11, the limiting rod 22 sequentially penetrates through the test bed 1 and the threaded hole 21 on the operation plate 2, the limiting rod 22 is screwed, and the operation plate 2 is vertically fixed on the test bed 1; then, the cover plate 5 is arranged on the upper end face of the test bed 1, and the cover plate 5 is fixed through the fixing assembly 6; finally, starting the stroke-adjustable air cylinder 91 to drive the piston rod 92 to move up and down, further driving the test bed 1 to integrally lift, and adjusting the height of the test bed 1 according to the requirement to meet the operation requirements of testers with different heights; when the test bed 1 needs to be moved, the universal wheel 8 at the bottom end of the test bed 1 can move, when the position of the test bed 1 is fixed, the brake pad 813 limits the movement of the universal wheel 82, the test bed 1 is prevented from sliding, and the stability of the test bed 1 is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a photoelectric velocity transducer test bench which characterized in that: comprises a test bed (1) and an operation board (2); the operating plate (2) is vertically arranged on the test bed (1); the operating plate (2) is hinged with the test bed (1); a rectangular accommodating groove (11) is formed in the test bed (1); the depth of the accommodating groove (11) is matched with the thickness of the operating plate (2); a first threaded hole (23) and a second threaded hole (21) are formed in the test bed (1) and the operating plate (2); and limiting rods (22) are in threaded connection with the first threaded holes (23) and the second threaded holes (21).

2. The photoelectric speed sensor test bed according to claim 1, wherein: the inner surface of the accommodating groove (11) is glued with a layer of protective gasket (111).

3. The photoelectric speed sensor test bed according to claim 1, wherein: a cover plate (5) is arranged on the accommodating groove (11); fixing components (6) are arranged at two ends of the cover plate (5); the fixing assembly (6) comprises an upper pressing plate (61) and a lower pressing plate (62); a flanging (621) is fixedly connected to the lower pressure plate (62), and a groove matched with the flanging (621) is fixedly connected to the lower end face of the test bed (1); third threaded holes (612) are formed in the upper pressure plate (61) and the cover plate (5); a fastening bolt (611) is connected with the third threaded hole (612) in an internal thread mode.

4. The photoelectric speed sensor test bed according to claim 3, wherein: the lower pressing plate (62) is L-shaped, and a sliding rail (622) is fixedly connected to the side wall of the lower pressing plate; one end of the upper pressure plate (61) is provided with a sliding groove (613) matched with the sliding rail (622); the upper pressure plate (61) is connected with the lower pressure plate (62) in a sliding manner; the upper end of slide rail (622) fixedly connected with stopper (623).

5. The photoelectric speed sensor test bed according to claim 3, wherein: the upper surface of the cover plate (5) is fixedly connected with a ceramic insulating layer (51).

6. The photoelectric speed sensor test bed according to claim 1, wherein: the lower end face of the test bed (1) is fixedly connected with four support columns (7); and the lower end face of each supporting column (7) is fixedly connected with a universal wheel (8).

7. The photoelectric speed sensor test bed according to claim 6, wherein: a lifting assembly (9) is arranged between the supporting column (7) and the test bed (1); the lifting assembly (9) comprises a cylinder (91) and a piston rod (92); the upper end of the air cylinder (91) is fixedly connected with the test bed (1), and the lower end of the air cylinder is connected with the piston rod (92) in a sliding manner; the lower end of the piston rod (92) is fixedly connected with the upper end face of the supporting column (7).

8. The photoelectric speed sensor test bed according to claim 1, wherein: a storage cabinet (3) is arranged on the test bed (1); a cabinet door (4) is hinged to the storage cabinet (3) and a handle (41) is fixedly connected to the cabinet door (4).