CN214702743U

CN214702743U - Large-modulus rack contact strength testing device

Info

Publication number: CN214702743U
Application number: CN202120989818.6U
Authority: CN
Inventors: 林磊
Original assignee: Taicang Linfeng Machinery Co ltd
Current assignee: Taicang Linfeng Machinery Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-11-12
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a large modulus rack contact strength inspection device, which belongs to the technical field of inspection instruments, and the technical proposal key points of the device comprise a platform, the right side of the top of the platform is movably connected with a bearing plate, the left side of the bearing plate is fixedly connected with a pressure sensor, the top of the platform is fixedly connected with a base, the bearing plate is arranged on the platform to support the pressure sensor, when the contact strength of the rack is inspected, the rack is only required to be placed in a holding framework, a movable clamping plate and a second guide rail are moved to proper positions by rotating a threaded rod, then a telescopic cylinder pushes the placing plate and a driving motor on the placing plate to fall down, an inspection gear at the end part of the driving motor also falls down along with the rack, the driving motor drives an inspection gear to rotate after the inspection gear is meshed with the rack, and drives the rack to slide towards the direction of the pressure sensor, the pressure sensor starts counting when the rack contacts the pressure sensor.

Description

Large-modulus rack contact strength testing device

Technical Field

The utility model relates to an inspection apparatus technical field, in particular to big modulus rack contact strength verifying attachment.

Background

The rack is a special gear with teeth distributed on the strip-shaped body, the rack is also divided into a straight-tooth rack and a helical-tooth rack, and the straight-tooth rack and the helical-tooth rack are respectively matched with a straight-tooth cylindrical gear and a helical-tooth cylindrical gear for use, the tooth profile of the rack is a straight line instead of an involute, namely, a reference circle radius is an infinite cylindrical gear, the rack plays a vital role in the transmission process, and the rack is also very important to be checked in the production and manufacturing process.

The existing method for testing the contact strength of the rack is generally that the device is loaded on a non-compact instrument and runs at an accelerated speed to calculate the speed limit borne by the damaged rack, the calculation mode is single, the racks with various widths cannot be tested, and the measurement of the contact strength of the rack is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a big modulus rack contact strength verifying attachment aims at solving current inspection to rack contact strength and all loads it on inseparable instrument of non and the speed limit that bears when the operation with higher speed damages the rack with the calculation usually, and this kind of calculation mode is comparatively single, can not test the rack of multiple width moreover, is not convenient for to rack contact strength's measuring problem.

The utility model is realized in such a way, a large modulus rack contact strength inspection device, which comprises a platform, the right side of the top of the platform is movably connected with a bearing plate, the left side of the bearing plate is fixedly connected with a pressure sensor, the top of the platform is fixedly connected with a base, the top of the platform is fixedly connected with a telescopic cylinder, the end part of a telescopic shaft of the telescopic cylinder is fixedly connected with a placing plate, the top of the placing plate is fixedly connected with a driving motor, the end part of an output shaft of the driving motor is fixedly connected with an inspection gear, the rear side of the top of the base is fixedly connected with a fixed clamping plate, the middle part of the top of the base is provided with a first square groove, the front side of the inner wall of the first square groove is rotatably connected with a threaded rod, the front side of the threaded rod runs through the base, the left side of the top of the base and the right side of the top are both provided with a second square groove, the front side of the inner wall of the second square groove is rotatably connected with a limiting polished rod, the outer side of the limiting polished rod is connected with a connecting block in a sliding manner, the top of the connecting block is fixedly connected with a movable clamping plate, the middle part of the bottom of the movable clamping plate is fixedly connected with a transmission block, the inner side of the transmission block is in threaded connection with a threaded rod, the front side of the fixed clamping plate is fixedly connected with a first guide rail, the rear side of the movable clamping plate is fixedly connected with a second guide rail, and the inner sides of the first guide rail and the second guide rail are connected with a clamping mechanism in a sliding manner;

fixture includes main fixture block, the front side and the first guide rail sliding connection of main fixture block, the holding tank has been opened to the front side of main fixture block, the inner wall fixedly connected with spring of holding tank, the front side fixedly connected with stopper of spring, the vice fixture block of front side fixedly connected with of stopper.

In order to reach the effect that can increase bearing plate atress intensity, conduct the utility model discloses a big modulus rack contact strength verifying attachment is preferred, the right side fixedly connected with of platform top supports the briquetting, support the left side at briquetting top and bearing plate fixed connection.

In order to let main clamp splice can slide along first guide rail and can not take place the effect of skew, conduct the utility model discloses a big modulus rack contact strength verifying attachment is preferred, the front side fixedly connected with slider of main clamp splice, the spout that uses with the slider cooperation is opened to the rear side of first guide rail, the inboard and the slider sliding connection of spout.

Thereby can not play driving motor and flexible in order to make the rack of damage and lead to the fact the effect that equipment damaged, conduct the utility model discloses a big modulus rack contact strength verifying attachment is preferred, the top fixedly connected with limiting plate of platform, the constant head tank has been seted up to the front side of limiting plate, driving motor's output shaft tip runs through the constant head tank.

In order to make driving motor lift up or be difficult for taking place offset's effect when descending by the telescoping cylinder, conduct the utility model discloses a big modulus rack contact strength verifying attachment is preferred, place the front side fixedly connected with dovetail piece of board, the dovetail has been seted up to the rear side of limiting plate, the surface and the dovetail sliding connection of dovetail piece.

In order to let the threaded rod reach and be convenient for by pivoted effect, conduct the utility model discloses a big modulus rack contact strength verifying attachment is preferred, the outside fixedly connected with turning handle of threaded rod front end, the outside cover of turning handle is equipped with the antiskid cover.

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

the large-modulus rack contact strength inspection device is characterized in that a bearing plate is arranged on a platform to support a pressure sensor, when the contact strength of a rack is required to be inspected, the rack is only required to be placed in a holding framework, a movable clamping plate and a second guide rail are moved to proper positions by rotating a threaded rod, then a telescopic cylinder pushes a placing plate and a driving motor on the placing plate to fall down, an inspection gear at the end part of the driving motor also falls down along with the inspection gear, the driving motor drives the inspection gear to rotate after the inspection gear is meshed with the rack, the rack is driven to slide towards the direction of the pressure sensor, the pressure sensor starts counting when the rack contacts the pressure sensor, the rotating force generated by the driving motor is increased, the rack is damaged when the strength of the rack reaches the limit, the counting of the pressure sensor and the rotating speed of the driving motor at the moment are recorded, and the maximum force and the limit rotating speed which can be born when the rack contacts can be obtained, the testing of the user to rack contact strength has been made things convenient for, also can let the device be fit for the rack test of different width through the adjustment threaded rod.

Drawings

Fig. 1 is an overall structural view of the large module rack contact strength testing device of the present invention;

FIG. 2 is an exploded view of the base of the present invention;

fig. 3 is a left side sectional view of the clamping mechanism of the present invention;

fig. 4 is a top view of the driving motor of the present invention.

In the figure, 1, a platform; 2. a bearing plate; 3. a pressure sensor; 4. a base; 5. a telescopic cylinder; 6. placing the plate; 7. a drive motor; 8. inspecting the gear; 9. fixing the clamping plate; 10. a first square groove; 11. a threaded rod; 12. a second square groove; 13. a limit polished rod; 14. connecting blocks; 15. a movable splint; 16. a transmission block; 17. a first guide rail; 18. a second guide rail; 19. a clamping mechanism; 1901. a main clamping block; 1902. accommodating grooves; 1903. a spring; 1904. a limiting block; 1905. an auxiliary clamping block; 20. a slider; 21. a chute; 22. positioning a groove; 23. a dovetail block; 24. a dovetail groove; 25. a handle is rotated; 26. an anti-slip sleeve; 27. a limiting plate; 28. and pressing the block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution: a large modulus rack contact strength inspection device comprises a platform 1, a bearing plate 2 is movably connected to the right side of the top of the platform 1, a pressure sensor 3 is fixedly connected to the left side of the bearing plate 2, a base 4 is fixedly connected to the top of the platform 1, a telescopic cylinder 5 is fixedly connected to the top of the platform 1, a placing plate 6 is fixedly connected to the end portion of a telescopic shaft of the telescopic cylinder 5, a driving motor 7 is fixedly connected to the top of the placing plate 6, an inspection gear 8 is fixedly connected to the end portion of an output shaft of the driving motor 7, a fixed clamping plate 9 is fixedly connected to the rear side of the top of the base 4, a first square groove 10 is formed in the middle of the top of the base 4, a threaded rod 11 is rotatably connected to the front side of the inner wall of the first square groove 10, the front side of the threaded rod 11 penetrates through the base 4, second square grooves 12 are formed in the left side of the top of the base 4 and the right side of the top of the base 4, and a limiting polished rod 13 is rotatably connected to the front side of the inner wall of the second square groove 12, the outer side of the limiting polished rod 13 is connected with a connecting block 14 in a sliding manner, the top of the connecting block 14 is fixedly connected with a movable clamping plate 15, the middle part of the bottom of the movable clamping plate 15 is fixedly connected with a transmission block 16, the inner side of the transmission block 16 is in threaded connection with the threaded rod 11, the front side of the fixed clamping plate 9 is fixedly connected with a first guide rail 17, the rear side of the movable clamping plate 15 is fixedly connected with a second guide rail 18, and the inner sides of the first guide rail 17 and the second guide rail 18 are connected with a clamping mechanism 19 in a sliding manner;

fixture 19 includes main fixture 1901, and the front side and the first guide rail 17 sliding connection of main fixture 1901 open the front side of main fixture 1901 and are equipped with holding tank 1902, the inner wall fixedly connected with spring 1903 of holding tank 1902, the front side fixedly connected with stopper 1904 of spring 1903, the vice fixture 1905 of front side fixedly connected with of stopper 1904.

In this embodiment: the bearing plate 2 is arranged on the right side of the platform 1, so that the stress of the pressure sensor 3 can be supported in an auxiliary mode, the pressure sensor is prevented from being damaged due to high-speed impact of a rack, the rack is lifted by the base 4 to be equivalent to the testing position of the pressure sensor 3, the telescopic cylinder 5 can lift the placing plate 6 and the driving motor 7 on the placing plate to ascend or fall, so as to allow the checking gear 8 to leave the testing height when the test is not required, the fixed jaw 9 cooperates with the movable jaw 15 so that the clamping mechanism 19 provided between the first guide rail 17 and the second guide rail 18 slides, the first square groove 10 and the internal threaded rod 11 are provided so that the movable jaw 15 can move, and the limiting polished rod 13 in the second square groove 12 can avoid the angle deviation of the movable clamping plate 15, by providing the main block 1901 and the sub block 1905 and connecting them by the spring 1903, the sub block 1905 can be opened when it is not in contact with the second rail 18 to allow racks of different widths to be placed.

As a technical optimization scheme of the utility model, the right side fixedly connected with suppression piece 28 at platform 1 top, the left side at suppression piece 28 top and bear board 2 fixed connection.

In this embodiment: through setting up the briquetting 28, the left side of briquetting 28 forms relatively stable triangle-shaped oblique angle with bearing plate 2, can effectual increase bearing plate 2's stress strength.

As a technical optimization scheme of the utility model, the front side fixedly connected with slider 20 of main clamp piece 1901, the spout 21 that uses with the cooperation of slider 20 is opened to the rear side of first guide rail 17, the inboard and the slider 20 sliding connection of spout 21.

In this embodiment: by providing the slider 20 and the slide groove 21, the gripping mechanism 19 can be linearly moved along the first rail 17 and the second rail 18.

As a technical optimization scheme of the utility model, platform 1's top fixedly connected with limiting plate 27, limiting plate 27's front side is opened and is equipped with constant head tank 22, and driving motor 7's output shaft tip runs through constant head tank 22.

In this embodiment: by arranging the limit plate 27, the broken part can not damage the telescopic cylinder 5 and the driving motor 7 when the rack is damaged, so that the device is prevented from being damaged.

As a technical optimization scheme of the utility model, place the front side fixedly connected with dovetail block 23 of board 6, limiting plate 27's rear side is opened and is equipped with dovetail 24, dovetail block 23's surface and 24 sliding connection of dovetail.

In this embodiment: by arranging the dovetail block 23, the telescopic cylinder 5 can slide along the vertical direction when driving the driving motor 7 to move.

As a technical optimization scheme of the utility model, the outside fixedly connected with turning handle 25 of threaded rod 11 front end, the outside cover of turning handle 25 is equipped with anti-skidding cover 26.

In the present embodiment; the purpose of conveniently rotating the threaded rod 11 can be achieved by arranging the rotating handle 25, and the anti-slip sleeve 26 can slip when the rotating handle 25 is rotated on the surface.

The working principle is as follows: firstly, a rack required for testing the contact strength is placed on the inner side of the clamping mechanism 19, specifically on the bottom of the inner side of the main clamping block 1901, the rotating handle 25 is rotated to drive the threaded rod 11 to rotate in the first square groove 10, thereby driving the movable clamping plate 15 to move, the second guide rail 18 moves towards the clamping mechanism 19 to push the auxiliary clamping block 1905 to limit the rack at a proper position, then the end part of the telescopic cylinder 5 drives the placing plate 6 and the driving motor 7 arranged on the placing plate to fall down, so that the inspection gear 8 is meshed with the rack to be inspected below, when the driving motor 7 is started, the checking gear 8 rotates to drive the rack to move towards the pressure sensor 3 and accelerate, because the bearing plate 2 supports the pressure sensor 3, therefore, the pressure sensor 3 is not easy to damage, and when the strength of the rack reaches the limit and is damaged, the counting of the pressure sensor 3 and the rotating speed of the driving motor 9 can conveniently and quickly obtain the contact strength of the rack.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a big modulus rack contact strength verifying attachment, includes platform (1), its characterized in that: the right side of the top of the platform (1) is movably connected with a bearing plate (2), the left side of the bearing plate (2) is fixedly connected with a pressure sensor (3), the top of the platform (1) is fixedly connected with a base (4), the top of the platform (1) is fixedly connected with a telescopic cylinder (5), the end part of a telescopic shaft of the telescopic cylinder (5) is fixedly connected with a placing plate (6), the top of the placing plate (6) is fixedly connected with a driving motor (7), the end part of an output shaft of the driving motor (7) is fixedly connected with an inspection gear (8), the rear side of the top of the base (4) is fixedly connected with a fixed clamping plate (9), a first square groove (10) is formed in the middle of the top of the base (4), the front side of the inner wall of the first square groove (10) is rotatably connected with a threaded rod (11), and the front side of the threaded rod (11) penetrates through the base (4), a second square groove (12) is formed in the left side of the top of the base (4) and the right side of the top of the base, a limiting polished rod (13) is rotatably connected to the front side of the inner wall of the second square groove (12), a connecting block (14) is slidably connected to the outer side of the limiting polished rod (13), a movable clamping plate (15) is fixedly connected to the top of the connecting block (14), a transmission block (16) is fixedly connected to the middle of the bottom of the movable clamping plate (15), the inner side of the transmission block (16) is in threaded connection with the threaded rod (11), a first guide rail (17) is fixedly connected to the front side of the fixed clamping plate (9), a second guide rail (18) is fixedly connected to the rear side of the movable clamping plate (15), and a clamping mechanism (19) is slidably connected to the inner sides of the first guide rail (17) and the second guide rail (18);

fixture (19) includes main fixture piece (1901), the front side and first guide rail (17) sliding connection of main fixture piece (1901), holding tank (1902) have been seted up to the front side of main fixture piece (1901), the inner wall fixedly connected with spring (1903) of holding tank (1902), the front side fixedly connected with stopper (1904) of spring (1903), the vice fixture piece (1905) of front side fixedly connected with of stopper (1904).

2. The large modulus rack contact strength inspection device according to claim 1, wherein: the right side of the top of the platform (1) is fixedly connected with a pressing block (28), and the left side of the top of the pressing block (28) is fixedly connected with the bearing plate (2).

3. The large modulus rack contact strength inspection device according to claim 1, wherein: the front side of the main clamping block (1901) is fixedly connected with a sliding block (20), the rear side of the first guide rail (17) is provided with a sliding groove (21) matched with the sliding block (20) for use, and the inner side of the sliding groove (21) is connected with the sliding block (20) in a sliding mode.

4. The large modulus rack contact strength inspection device according to claim 1, wherein: the top fixedly connected with limiting plate (27) of platform (1), constant head tank (22) have been opened to the front side of limiting plate (27), constant head tank (22) are run through to the output shaft tip of driving motor (7).

5. The large modulus rack contact strength inspection device according to claim 4, wherein: the front side of the placing plate (6) is fixedly connected with a dovetail block (23), the rear side of the limiting plate (27) is provided with a dovetail groove (24), and the surface of the dovetail block (23) is in sliding connection with the dovetail groove (24).

6. The large modulus rack contact strength inspection device according to claim 1, wherein: the outer side of the front end of the threaded rod (11) is fixedly connected with a rotating handle (25), and the outer side of the rotating handle (25) is sleeved with an anti-skidding sleeve (26).