CN214310097U

CN214310097U - Anti-shake support of mechanics detection device

Info

Publication number: CN214310097U
Application number: CN202023090915.6U
Authority: CN
Inventors: 朱磊; 喻莉; 刘洁琼; 黄西海
Original assignee: Anhui Xinwanneng Testing Co ltd
Current assignee: Anhui Xinwanneng Testing Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-09-28
Anticipated expiration: 2030-12-21

Abstract

An anti-shake support of a mechanics detection device, comprising: the guide plate is horizontally arranged on the guide rod of the detection device body through the guide holes at the two ends of the guide plate; the connecting disc is connected to the middle of the top surface of the guide plate through a pin shaft, a cavity is formed inside the connecting disc, and concave grains are formed in the inner top surface of the cavity; the guide plate is vertically and sequentially penetrated through the cavity in the connecting disc, and the convex parts are matched with the concave grains; and the other end of the screw rod vertically penetrates through the transmission assembly, and the other end of the transmission assembly is arranged at the bottom of the case of the detection device body through a fixed rod. By the cooperation setting of baffle, connection pad, lead screw and drive assembly, played the effect of multistage anti-shake to the shake problem that the shake that reduces among the transmission process motor and lead screw and cause influences the test result has been solved.

Description

Anti-shake support of mechanics detection device

Technical Field

The utility model relates to a mechanics detection device technical field, concretely relates to mechanics detection device's anti-shake support.

Background

When the mechanical detection device works, the mechanical detection device is easily influenced by inertial jitter generated during starting and stopping of equipment and vibration generated during a mechanical transmission process, so that errors are caused to mechanical test data, and a measurement result is influenced. Referring to fig. 1, a mechanical testing device for testing the insertion and extraction force of a connector is disclosed, which briefly describes the following testing principles: the connectors are respectively inserted into clamps 17 arranged oppositely, wherein the clamps 17 are fixed on an X-Y moving object stage 16, a servo motor in a case 15 is opened to indirectly control the screw rod 5 to rotate, and further control the guide plate 1 to vertically slide on the guide rod 14, so that the X-Y moving object stage 16 on the guide plate 1 is lifted or lowered, a male connector and a female connector on the clamps 17 are controlled to be plugged and unplugged, at the moment, the servo motor stops working, and a load sensor 18 connected to the clamps 17 tests to obtain plugging and unplugging force data.

We have found that servo motors produce high inertia jerks when they are suddenly stopped; the lead screw with the larger outer diameter is adopted for transmission in the prior art, the rotational inertia of the lead screw is larger, and the inertia jitter can be increased, so that the test result of the insertion and extraction force is influenced. Therefore, the anti-shaking support of the mechanical detection device is arranged, shaking caused by the motor and the screw rod in the transmission process is reduced, and the anti-shaking support is of practical significance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a mechanics detection device's anti-shake support can solve the problem that the shake that reduces among the transmission process motor and lead screw and cause influences the test result.

The utility model discloses a realize through following technical scheme:

an anti-shake support of a mechanics detection device, comprising:

the guide plate is horizontally arranged on the guide rod of the detection device body through the guide holes at the two ends of the guide plate;

the connecting disc is connected to the middle of the top surface of the guide plate through a pin shaft, a cavity is formed inside the connecting disc, and concave grains are formed in the inner top surface of the cavity;

the guide plate is vertically and sequentially penetrated through the cavity in the connecting disc, and the convex parts are matched with the concave grains;

and the other end of the screw rod vertically penetrates through the transmission assembly, and the other end of the transmission assembly is arranged at the bottom of the case of the detection device body through a fixed rod.

Preferably, the concave veins are provided with rubber gaskets, and the guide holes are internally provided with rubber sleeves for the guide rods to pass through.

Preferably, the transmission assembly comprises: the servo motor is fixed at the bottom of the case, and a motor shaft of the servo motor vertically penetrates into an inner cavity of the transmission disc; in addition, the gear train is horizontally arranged in the inner cavity of the transmission disc, one part of the gear train is connected to the motor shaft, the other part of the gear train is fixedly provided with a shaft sleeve, two ends of the shaft sleeve penetrate through the outer disc surface of the transmission disc, the shaft sleeve is provided with internal threads which are matched with a lead screw to penetrate through, and the gear train is also provided with a groove; in addition, the transmission disc is fixed at the bottom of the case through a fixing rod, and balls are arranged between the grooves and the inner disc surface of the transmission disc.

More preferably, the gear train includes a master gear and a plurality of slave gears, the master gear is connected to the motor shaft, the slave gears are meshed with the master gear, the shaft sleeve is embedded in the hollow part of the slave gears, the upper and lower disk surfaces of the slave gears are symmetrically provided with grooves, and balls are arranged between the grooves and the inner disk surface of the transmission disk.

Preferably, the outer diameter of the screw rod is 12mm, and the number of the screw rods is 4.

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

in the utility model, the transmission component is arranged on the screw rod, so that the high inertia jitter effect generated when the servo motor is suddenly stopped is buffered; the existing lead screw with the larger outer diameter is replaced by a plurality of small-specification lead screws with the outer diameters of 12mm, the rotary inertia of the lead screw is also reduced, and the multistage anti-shaking effect is achieved by the matching arrangement of the guide plate, the connecting disc, the lead screw and the transmission assembly, so that the problem that the shaking caused by the motor and the lead screw in the transmission process influences the test result is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the mechanical testing device of the present invention;

fig. 2 is a schematic perspective view of the anti-shake bracket of the mechanical testing device of the present invention;

fig. 3 is a front sectional view of the transmission assembly of the present invention (only two side screws are shown);

FIG. 4 is a top view of the transmission assembly of the present invention inside the stationary disc;

fig. 5 is a front cross-sectional view of the head of the lead screw of the present invention passing through the connection pad (only the lead screw is shown in the intermediate position).

The device comprises a guide plate 1, a pin shaft 2, a connecting plate 3, a concave part 301, a guide hole 4, a lead screw 5, a convex part 501, a shaft sleeve 6, a fixing rod 7, a transmission plate 8, a servo motor 9, a main gear 10, a driven gear 11, a ball 12, a groove 13, a guide rod 14, a chassis 15, a movable stage 16-X-Y, a clamp 17 and a load sensor 18.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the above-described drawings, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1-5, an anti-shake frame of a mechanical testing device comprises: guide plate 1, connection pad 3, four lead screws 5 and drive assembly. By the cooperation setting of baffle, connection pad, lead screw and drive assembly, can play multistage anti-shake's effect. How this multi-stage anti-shake effect is achieved will be explained in detail below:

the guide plate 1 is horizontally arranged on a guide rod 14 of the detection device body through guide holes 4 at two ends of the guide plate; the connecting disc 3 is connected to the middle of the top surface of the guide plate 1 through a pin shaft 2, a cavity is formed in the connecting disc 3, and concave grains 301 are formed in the inner top surface of the cavity; the 4 lead screws 5 are arranged along the axis of the connecting disc 3 in a vertical circumferential mode, one ends of the lead screws 5 are provided with convex parts 501, the convex parts 501 vertically penetrate through the guide plate 1 and the cavity which is abutted to the inside of the connecting disc 3 in sequence, the convex parts 501 are matched with the concave grains 301, and when the lead screws 5 rotate, the convex parts 501 rotate on the concave grains 301. In order to reduce the moment of inertia of the screw rod, the outer diameter of the screw rod 5 is set to be 12 mm. In order to reduce wear, a rubber gasket is arranged on the concave grains 301, and a rubber sleeve is arranged in the guide hole 4 for the guide rod 14 to smoothly pass through.

Preferably, the transmission assembly comprises: a servo motor 9, a gear train and a drive disk 8.

One end of the servo motor 9 is fixed at the bottom of the case 15, a motor shaft of the servo motor 9 vertically penetrates into an inner cavity of the transmission disc 8, and the transmission disc 8 is fixed at the bottom of the case 15 through the fixing rod 7.

The gear train comprises a

main gear

10 and 4 slave gears 11, the main gear 10 is connected to a motor shaft, the 4 slave gears 11 are meshed with the main gear 10, a shaft sleeve 6 is embedded in a hollow part of the slave gears 11, two ends of the shaft sleeve 6 penetrate through an outer disc surface of a transmission disc 8, an internal thread is arranged on the shaft sleeve 6, and a screw rod 5 penetrates through the shaft sleeve. The gear train and the shaft sleeve 6 are matched, so that the influence of sudden stop of the servo motor on screw rod transmission is reduced, and therefore, the transmission assembly buffers the high-inertia shaking effect generated when the servo motor is suddenly stopped. In order to limit the slave gear 11, grooves 13 are symmetrically arranged on the upper disc surface and the lower disc surface of the 4 slave gears 11, and balls 12 are arranged between the grooves 13 and the inner disc surface of the transmission disc 8. Thus, after the main gear 10 is rotated by the rotation of the motor shaft, the driven gear 11 can smoothly rotate in the transmission disc 8.

Example two:

referring to fig. 1, 2 and 5, an anti-shake frame of a mechanical testing device includes: the guide plate 1 is horizontally arranged on a guide rod 14 of the detection device body through guide holes 4 at two ends of the guide plate 1; the connecting disc 3 is connected to the middle of the top surface of the guide plate 1 through a pin shaft 2, a cavity is formed in the connecting disc 3, and concave grains 301 are formed in the inner top surface of the cavity; the guide plate comprises a plurality of lead screws 5 with the outer diameter of 12mm, wherein the lead screws 5 are vertically and circumferentially arranged along the axis of a connecting disc 3, one end of each lead screw 5 is provided with a convex part 501, the convex parts 501 vertically penetrate through the guide plate 1 and a cavity which is propped into the connecting disc 3 in sequence, and the convex parts 501 are matched with the concave grains 301; the other end of the screw rod 5 vertically penetrates through the transmission assembly, and the other end of the transmission assembly is arranged at the bottom of the case 15 of the detection device body through a fixed rod 7. By the cooperation setting of baffle, connection pad, lead screw and drive assembly, can play multistage anti-shake's effect. Therefore, the problem that the test result is influenced by the vibration caused by the motor and the screw rod in the transmission process is solved.

The utility model discloses a theory of operation does:

inserting the male and female connectors into oppositely arranged clamps 17 respectively, wherein the clamps 17 are fixed on an X-Y moving object stage 16; then the servo motor 9 in the cabinet 15 is opened, the motor shaft rotates, the main gear 10 rotates along the horizontal direction, the driven gear 11 rotates along a horizontal direction, and smoothly rotates in the transmission disc 8, the shaft sleeve 6 in the hollow part of the driven gear 11 rotates along with the horizontal direction, because the shaft sleeve 6 is fixed on the driven gear 11, the self-body is vertically limited on a transmission disc 8, at the moment, a screw rod 5 which is matched with a shaft sleeve 6 rotates and ascends, a connecting disc 3 is correspondingly ascended, the connecting disc 3 is connected to a guide plate 1 through a pin shaft 2, then the guide plate 1 ascends until male and female connectors between clamps 17 are mutually connected, at the moment, a servo motor 9 stops working, and the operation is predicted, due to the fact that the guide plate, the connecting disc, the lead screw and the transmission assembly are anti-shaking and degressive layer by layer, the problem that shaking caused by the motor and the lead screw in the transmission process affects the test result is solved. Similarly, the data when the male and female connectors are pulled out is tested, and the motor shaft is set to rotate reversely, which is not described herein again. In the test process, the test stroke of the screw rod can be set to be 0-150mm, and the test speed is 0-300 mm/min.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like 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 mechanics detection device's anti-shake support which characterized in that: the method comprises the following steps:

the guide plate (1) is horizontally arranged on a guide rod (14) of the detection device body through guide holes (4) at two ends of the guide plate (1);

the connecting plate (3) is connected to the middle of the top surface of the guide plate (1) through a pin shaft (2), a cavity is formed in the connecting plate (3), and concave grains (301) are formed in the inner top surface of the cavity;

the guide plate structure comprises a plurality of lead screws (5) which are vertically and circumferentially arranged along the axis of a connecting disc (3), wherein one end of each lead screw (5) is provided with a convex part (501), the lead screws vertically and sequentially penetrate through a guide plate (1) and a cavity which is abutted into the connecting disc (3), and the convex parts (501) are matched with concave grains (301);

the other end of the screw rod (5) vertically penetrates through the transmission assembly, and the other end of the transmission assembly is arranged at the bottom of the case (15) of the detection device body through a fixing rod (7).

2. The anti-shake bracket for mechanical testing device according to claim 1, wherein: the transmission assembly includes:

one end of the servo motor (9) is fixed at the bottom of the case (15), and a motor shaft of the servo motor (9) vertically penetrates into an inner cavity of the transmission disc (8);

the gear train is horizontally arranged in an inner cavity of the transmission disc (8), one part of the gear train is connected to a motor shaft, the other part of the gear train is fixedly provided with a shaft sleeve (6), two ends of the shaft sleeve (6) penetrate through an outer disc surface of the transmission disc (8), the shaft sleeve (6) is provided with internal threads which are matched with a screw rod (5) to penetrate through, and a groove (13) is further formed in the gear train;

the transmission disc (8) is fixed at the bottom of the case (15) through a fixing rod (7), and balls (12) are arranged between the grooves (13) and the inner disc surface of the transmission disc (8).

3. The anti-shake bracket for mechanical testing device according to claim 2, wherein: the gear train comprises a main gear (10) and a plurality of slave gears (11), wherein the main gear (10) is connected to a motor shaft, the slave gears (11) are meshed with the main gear (10), the shaft sleeve (6) is embedded in a hollow part of the slave gears (11), grooves (13) are symmetrically formed in the upper disc surface and the lower disc surface of the slave gears (11), and balls (12) are arranged between the grooves (13) and the inner disc surface of the transmission disc (8).

4. The anti-shake bracket for mechanical testing device according to claim 1, wherein: the concave grains (301) are provided with rubber gaskets, and rubber sleeves are arranged in the guide holes (4) and used for the guide rods (14) to penetrate through.

5. The anti-shake support frame for mechanical testing device according to any one of claims 1-4, wherein: the outer diameter of the screw rod (5) is 12mm, and the number of the screw rods (5) is 4.