CN213932463U

CN213932463U - Contact line straightness detector

Info

Publication number: CN213932463U
Application number: CN202022634526.9U
Authority: CN
Inventors: 张良
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-14
Filing date: 2020-11-14
Publication date: 2021-08-10
Anticipated expiration: 2030-11-14

Abstract

The utility model provides a contact wire straightness detector, including detection device, detection device includes the flat ruler, the flat ruler upper surface is equipped with linear guide, sliding connection detector shell on the linear guide, be equipped with positioner on the detector shell, detector shell bottom is equipped with the measuring wheel, two measuring wheels all rotate and connect the connecting rod, connecting rod one end runs through detector shell bottom outer wall and extends to internal connection displacement sensor, displacement sensor fixes at detector shell inner wall, the flat ruler both ends all are equipped with fixing device, fixing device includes fixed block and sliding block, the fixed block is fixed in flat ruler one end, sliding block sliding connection flat ruler one end, be equipped with adjusting part between fixed block and sliding block, the fixed block all is equipped with flexible subassembly with the sliding block bottom. The utility model relates to a simple structure, it is fixed when being convenient for measure, not fragile, can be applied to the straightness detector of different measurement demands.

Description

Contact line straightness detector

Technical Field

The utility model mainly relates to a technical field of electric railway check out test set specifically is a contact line straightness detector.

Background

The contact line straightness detector is a precision measuring tool specially used for detecting the contact line of a high-speed train.

According to the contact line flatness detector provided in patent document CN201621099788.7, the contact line flatness detector includes a frame body, on which a first pulley and a second pulley are arranged at intervals, and the frame body is suspended on a contact line through the first pulley and the second pulley to drive the frame body to move along the contact line; the transmission mechanism is arranged on the frame body, a third pulley is arranged on the transmission mechanism and positioned between the first pulley and the second pulley, and the transmission mechanism can drive the third pulley to move upwards so as to be abutted against the contact line and move along the contact line along with the frame body; the detection mechanism is arranged on the frame body and used for detecting an offset value which is perpendicular to the moving direction of the third pulley when the third pulley moves along the contact line so as to judge whether the contact line is straight or not. The product has high measurement precision and simple operation.

Product measurement accuracy in the above-mentioned patent is high, easy operation, but the instrument is complicated easy to damage, and difficult fixed when measuring, consequently need design a simple structure, fixed when being convenient for measure, not fragile, can be applied to the straightness detector of different measurement demands.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a contact line straightness detector for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a contact wire straightness detector, includes detection device, detection device includes the ruler, the ruler upper surface is equipped with linear guide, sliding connection detector shell on the linear guide, be equipped with positioner on the detector shell, detector shell bottom is equipped with measuring wheel, two the connecting rod is all rotated to the measuring wheel, connecting rod one end runs through detector shell bottom outer wall and extends to internal connection displacement sensor, displacement sensor fixes at detector shell inner wall, the ruler both ends all are equipped with fixing device, fixing device includes fixed block and sliding block, the fixed block is fixed in ruler one end, sliding block sliding connection ruler one end, the fixed block with be equipped with adjusting part between the sliding block, the fixed block with the sliding block bottom all is equipped with telescopic part.

Preferably, the linear guide rail is provided with a plurality of round holes, the side wall of each round hole is provided with two square grooves, and the bottom of each round hole is provided with a limiting groove. In the preferred embodiment, the round hole and the square groove are used for facilitating the positioning and fixing of the positioning rod.

Preferably, the positioning device comprises a positioning rod, the positioning rod penetrates through the shell of the detector to be connected with the clamping block, and the side wall of the positioning rod is provided with a reset assembly. In this preferred embodiment, the fixture block shape is unanimous with the shape behind round hole and the combination of two square grooves, and after the fixture block card was gone into the spacing groove, the rotation locating lever can accomplish spacingly.

Preferably, the reset assembly comprises a positioning box and a reset spring, the positioning box is sleeved with the outer wall of the positioning rod, the top of the positioning box is connected with the top of the inner wall of the shell of the detector, the reset spring is sleeved with the outer wall of the positioning rod, the top of the reset spring contacts with the baffle, and the baffle is fixed on the outer wall of the positioning rod. In the preferred embodiment, the return spring is used for facilitating the upward movement and fixation of the positioning rod, and facilitating the sliding measurement of the shell of the detector.

Preferably, the adjusting component comprises an adjusting rod, and the adjusting rod is in threaded connection with the fixed block and extends to the external rotating connection sliding block. In the preferred embodiment, the distance between the fixed block and the sliding block can be conveniently adjusted by the adjusting rod.

Preferably, two flexible subassembly all includes the slide bar, two the slide bar cup joints fixed block and sliding block inner wall respectively, the slide bar top is equipped with pressure spring. In the preferred embodiment, the slide-out length of the slide rod is adjustable, so that the flat ruler is convenient to fix.

Preferably, the fixed block with the sliding block outer wall all is equipped with the spacer pin, the fixed block with the sliding block inner wall all is equipped with prevents changeing the boss. In the preferred embodiment, the stable fixing of the slide bar is facilitated by a limit pin.

Preferably, the side wall of the sliding rod is provided with a plurality of positioning holes, and the side wall of the sliding rod is provided with an anti-rotation groove. In the preferred embodiment, the positioning hole is matched with the limiting pin to realize stable fixation of the sliding rod, and the anti-rotation boss is matched with the anti-rotation groove to prevent the sliding rod from rotating.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in be convenient for the location of detector shell through positioner fixed, it is fixed to be convenient for the location of locating lever through round hole and square groove among the positioner, the shape is unanimous after fixture block shape and round hole and two square groove combination, the fixture block card is gone into behind the spacing groove, it is spacing to rotate the locating lever, it is fixed to be convenient for shift up of locating lever through reset spring, the slip measurement of the detector shell of being convenient for, be convenient for the stable of detection device during operation fixed through fixing device, the roll-off length through the slide bar among the fixing device is adjustable, the flat chi of being convenient for is fixed, be convenient for the stable of slide bar through the spacer pin fixed, prevent through preventing changeing the boss and preventing the cooperation of changeing the recess and prevent that the slide bar from rotating, be convenient for adjust fixed block and slide block distance through adjusting the pole, during the measurement, slip detector shell can detect.

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

Drawings

FIG. 1 is an axial view of the overall structure of the present invention;

FIG. 2 is a side view of the positioning device of the present invention;

FIG. 3 is a side view of the overall structure of the present invention;

fig. 4 is a side view of the structure of the adjusting assembly of the present invention.

In the figure: 1. a detection device; 11. leveling; 12. a linear guide rail; 121. a circular hole; 1211. a square groove; 122. a limiting groove; 13. a detector housing; 14. a measuring wheel; 15. a connecting rod; 16. a displacement sensor; 2. a positioning device; 21. positioning a rod; 22. a clamping block; 23. a reset assembly; 231. a positioning box; 232. a return spring; 233. a baffle plate; 3. a fixing device; 31. a fixed block; 311. a spacing pin; 312. an anti-rotation boss; 32. a slider; 33. an adjustment assembly; 331. adjusting a rod; 34. a telescoping assembly; 341. a slide bar; 3411. positioning holes; 3412. an anti-rotation groove; 342. a pressure spring.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 and 4, the contact line flatness detector includes a detection device 1, the detection device 1 includes a flat rule 11, a linear guide rail 12 is disposed on an upper surface of the flat rule 11, the linear guide rail 12 is slidably connected to a detector housing 13, a positioning device 2 is disposed on the detector housing 13, a measuring wheel 14 is disposed at a bottom of the detector housing 13, the two measuring wheels 14 are rotatably connected to a connecting rod 15, one end of the connecting rod 15 penetrates through an outer wall of the bottom of the detector housing 13 and extends to an inner portion to be connected to a displacement sensor 16, and the displacement sensor 16 is fixed to an inner wall of the detector housing 13. Can be with displacement sensor 16 wire connection singlechip, display screen and measurement button are connected to the singlechip wire, during the measurement detector shell 13 slides to 11 one ends of flat rule, press the outside measurement button of detector shell 13, slide detector shell 13 to the other end of flat rule 11 simultaneously, displacement sensor 16 converts the displacement physical quantity of measuring wheel 14 into the signal of telecommunication and transmits for the singlechip through the wire this moment, loosen the measurement button after the slip is accomplished, the singlechip passes through the wire with signal transmission display screen, what the screen top was shown is the straightness of measuring part contact wire promptly.

Please refer to fig. 1-3 again, a positioning device 2 is disposed on the detector housing 13, a plurality of circular holes 121 are disposed on the linear guide rail 12, two square grooves 1211 are disposed on side walls of the circular holes 121, a limiting groove 122 is disposed at a bottom of the circular hole 121, the positioning device 2 includes a positioning rod 21, the positioning rod 21 penetrates through the detector housing 13 and is connected to the clamping block 22, a reset assembly 23 is disposed on a side wall of the positioning rod 21, the reset assembly 23 includes a positioning box 231 and a reset spring 232, the positioning box 231 is sleeved on an outer wall of the positioning rod 21, a top of the positioning box 231 is connected to a top of an inner wall of the detector housing 13, the reset spring 232 is sleeved on an outer wall of the positioning rod 21, a top of the reset spring 232 contacts the baffle 233, and the baffle 233 is fixed on an outer wall of the positioning rod 21. When the device is used, the positioning rod 21 is rotated until the fixture block 22 is overlapped with the two square grooves 1211, the return spring 232 drives the baffle 233 to move upwards, the baffle 233 drives the positioning rod 21 to move upwards, and the unlocking of the detector shell 13 is completed.

Please refer to fig. 1, 3 and 4, the two ends of the flat rule 11 are both provided with a fixing device 3, the fixing device 3 includes a fixed block 31 and a sliding block 32, the fixed block 31 is fixed at one end of the flat rule 11, the sliding block 32 is connected with one end of the flat rule 11 in a sliding manner, an adjusting component 33 is arranged between the fixed block 31 and the sliding block 32, telescopic components 34 are respectively arranged at the bottoms of the fixed block 31 and the sliding block 32, the adjusting component 33 includes an adjusting rod 331, the adjusting rod 331 is connected with the fixed block 31 in a threaded manner and extends to the outside to be rotatably connected with the sliding block 32, both telescopic components 34 include sliding rods 341, both sliding rods 341 are respectively sleeved on the inner walls of the fixed block 31 and the sliding block 32, the top of the sliding rods 341 is provided with a pressure spring 342, the outer walls of the fixed block 31 and the sliding block 32 are both provided with a limiting pin 311, the inner walls of the fixed block 31 and the sliding block 32 are both provided with anti-rotation bosses 312, the side wall of the sliding rod 341 is provided with a plurality of positioning holes 3411, and the side wall of the sliding rod 341 is provided with an anti-rotation groove 3412. The sliding length of the sliding rod 341 is adjusted as required, the limit pin 311 is pulled out, the pressure spring 342 drives the sliding rod 341 to move downwards, the limit pin 311 is inserted after the sliding length is proper, the fixing device 3 is clamped on the guide rail to be measured, the adjusting rod 331 is rotated, the adjusting rod 331 drives the sliding block 32 to move, and the sliding block 32 moves to the side wall of the sliding rod 341 to clamp the guide rail to be measured.

The utility model discloses a concrete operation as follows:

the displacement sensor 16 is of a type of KTC-150, and the singlechip is of a type of STM32F030F4P 6.

Adjusting the sliding length of the sliding rod 341 according to the requirement, pulling out the limit pin 311, driving the sliding rod 341 to move downwards by the pressure spring 342, inserting the limit pin 311 after the sliding length is proper, clamping the fixing device 3 on the guide rail to be measured, rotating the adjusting rod 331, driving the sliding block 32 to move by the adjusting rod 331, moving to the side wall of the sliding rod 341 to clamp the guide rail with the measurement, during the measurement, rotating the positioning rod 21, rotating until the clamping block 22 is overlapped with the two square grooves 1211, driving the baffle 233 to move upwards by the reset spring 232, driving the positioning rod 21 to move upwards by the baffle 233, completing the unlocking of the detector shell 13, connecting the lead of the displacement sensor 16 with a single chip microcomputer, connecting the lead of the single chip microcomputer with a display screen and a measurement button, sliding the detector shell 13 to one end of the flat ruler 11 during the measurement, pressing down the measurement button outside the detector shell 13, and simultaneously sliding the detector shell 13 to the other end of the flat ruler 11, at this moment, the displacement sensor 16 converts the physical displacement quantity of the measuring wheel 14 into an electric signal and transmits the electric signal to the single chip microcomputer through a lead, the measuring button is released after the sliding is finished, the single chip microcomputer transmits the signal to the display screen through the lead, and the flatness of the contact line of the measuring part is displayed above the screen.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The contact line flatness detector comprises a detection device (1) and is characterized in that the detection device (1) comprises a flat ruler (11), the upper surface of the flat ruler (11) is provided with a linear guide rail (12), the linear guide rail (12) is slidably connected with a detector shell (13), the detector shell (13) is provided with a positioning device (2), the bottom of the detector shell (13) is provided with a measuring wheel (14), the measuring wheel (14) is rotatably connected with a connecting rod (15), one end of the connecting rod (15) penetrates through the outer wall of the bottom of the detector shell (13) and extends to an internal connection displacement sensor (16), the displacement sensor (16) is fixed on the inner wall of the detector shell (13), both ends of the flat ruler (11) are provided with fixing devices (3), each fixing device (3) comprises a fixing block (31) and a sliding block (32), fixed block (31) are fixed in square (11) one end, sliding block (32) sliding connection square (11) one end, fixed block (31) with be equipped with adjusting part (33) between sliding block (32), fixed block (31) with sliding block (32) bottom all is equipped with flexible subassembly (34).

2. The contact line flatness detector according to claim 1, wherein the linear guide rail (12) is provided with a plurality of circular holes (121), the side wall of the circular hole (121) is provided with two square grooves (1211), and the bottom of the circular hole (121) is provided with a limiting groove (122).

3. The contact line flatness detector according to claim 1, wherein the positioning device (2) includes a positioning rod (21), the positioning rod (21) penetrates through the detector housing (13) to connect with the clamping block (22), and a reset assembly (23) is disposed on a side wall of the positioning rod (21).

4. The contact line flatness detector of claim 3, wherein the reset assembly (23) comprises a positioning box (231) and a reset spring (232), the positioning box (231) is sleeved on the outer wall of the positioning rod (21), the top of the positioning box (231) is connected with the top of the inner wall of the detector housing (13), the reset spring (232) is sleeved on the outer wall of the positioning rod (21), the top of the reset spring (232) contacts the baffle (233), and the baffle (233) is fixed on the outer wall of the positioning rod (21).

5. Contact line flatness detector according to claim 1, characterized in that said adjusting unit (33) comprises an adjusting rod (331), said adjusting rod (331) being screwed to the fixed block (31) and extending to the external rotational connection sliding block (32).

6. The contact line flatness detecting instrument according to claim 1, wherein each of the two telescoping assemblies (34) includes a sliding rod (341), the two sliding rods (341) are respectively sleeved on the inner walls of the fixed block (31) and the sliding block (32), and a pressure spring (342) is disposed on the top of the sliding rod (341).

7. The contact line flatness detecting instrument according to claim 6, wherein the outer walls of the fixed block (31) and the sliding block (32) are provided with limit pins (311), and the inner walls of the fixed block (31) and the sliding block (32) are provided with anti-rotation bosses (312).

8. The contact line flatness detecting instrument according to claim 6, wherein the side wall of the sliding rod (341) is provided with a plurality of positioning holes (3411), and the side wall of the sliding rod (341) is provided with anti-rotation grooves (3412).