CN212301124U

CN212301124U - Multistation tensile testing mechanism with antidetonation function

Info

Publication number: CN212301124U
Application number: CN202020952115.1U
Authority: CN
Inventors: 李广斌
Original assignee: Dongguan Yuehua Electric Industrial Co ltd
Current assignee: Dongguan Yuehua Electric Industrial Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-01-05
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a multistation tensile testing mechanism with anti-seismic function, which comprises a bottom plate, a lower cover body assembly, a driving assembly, a vertical plate, a first clamp, a fixed plate and a second clamp; the lower cover body assembly comprises a lower cover body and a buffering mounting foot; the driving assembly comprises a servo motor, a screw rod nut, a connecting plate and a sliding table; the servo motor is arranged at the lower part of the bottom plate and is positioned in the lower cover body; the screw rod is connected with an output shaft of the servo motor; the screw rod nut is in threaded fit with the screw rod; the lower end of the connecting plate is fixedly connected with the screw rod nut, and the upper end of the connecting plate is fixedly connected with the sliding table; the sliding table is arranged on the upper part of the bottom plate in a sliding manner; the vertical plate is arranged at one end part of the sliding table; the first clamps are arranged on the vertical plate. The utility model discloses can carry out tensile test to many cables simultaneously on a tensile test mechanism.

Description

Multistation tensile testing mechanism with antidetonation function

Technical Field

The utility model belongs to the technical field of cable tensile strength test equipment technique and specifically relates to a multistation pulling force accredited testing organization with antidetonation function.

Background

The cable is a cable product used for transmitting electric (magnetic) energy, information and realizing electromagnetic energy conversion; in particular, in the aspect of power transmission, the quality of the cable is important to control, and if the power cable is damaged, the safety of personnel can be endangered; it is therefore very important to test the quality of the power cable; only one tension test station in the existing cable tensile strength test device can not measure the tensile strength of cables in batches, and particularly, the detection is more troublesome, time and labor are wasted, and the inconvenience is brought to a user due to the low detection efficiency of different types and batches of cables.

Therefore, the market is in urgent need of a multistation tensile testing mechanism with antidetonation function.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a multistation tensile test mechanism with antidetonation function to the problem among the above-mentioned prior art, the purpose can carry out the tensile test of many cables simultaneously on a tensile test mechanism, still has the shock-resistant function of buffering simultaneously.

In order to solve the technical problem, the utility model adopts a technical scheme that the multi-station tensile force testing mechanism with the anti-seismic function comprises a bottom plate, a lower cover body assembly, a driving assembly, a vertical plate, a first clamp, a fixed plate and a second clamp; the lower cover body assembly comprises a lower cover body and a buffering mounting foot; the lower cover body is arranged at the lower part of the bottom plate; the lower part of the lower cover body is provided with a plurality of buffer mounting feet; the buffering mounting foot comprises a supporting plate, a sleeve, a limiting plate, a spring and a supporting column; the sleeve is arranged at the top of the supporting plate; the limiting plate is connected with the sleeve in a sliding mode, and the spring abuts between the bottom of the sleeve and the limiting plate; the supporting column is arranged at the top of the limiting plate and penetrates through the sleeve to be connected with the lower cover body; the driving assembly comprises a servo motor, a screw rod nut, a connecting plate and a sliding table; the servo motor is arranged at the lower part of the bottom plate and is positioned in the lower cover body; the screw rod is connected with an output shaft of the servo motor; the screw rod nut is in threaded fit with the screw rod; the lower end of the connecting plate is fixedly connected with the screw rod nut, and the upper end of the connecting plate is fixedly connected with the sliding table; the sliding table is arranged on the upper part of the bottom plate in a sliding manner; the bottom plate is provided with a clearance for the connecting plate to move; the vertical plate is arranged at one end part of the sliding table; the first clamps are arranged on the vertical plate; each of said first clamps comprising a first finger cylinder and a first encapsulated jaw; each first finger cylinder drives the first rubber coating clamping claw to clamp or release a cable; the fixing plate is arranged on the bottom plate; the plurality of second clamps are arranged on the fixing plate and correspond to the plurality of first clamps one by one; the second clamp comprises a supporting protective sleeve, an electronic tension meter, a second finger cylinder and a second rubber-coated clamping jaw; the supporting protective sleeve is arranged on the fixing plate; an opening is formed in one side, facing the first clamp, of the supporting and protecting sleeve; the electronic tension meter is fixed in the supporting protective sleeve; the lower part of the supporting protective sleeve is provided with a socket for connecting an external wire to an aviation interface of the electronic tension meter; the cylinder body of the second finger cylinder is fixedly connected with a pull rod of the electronic tension meter; the second rubber-coated clamping jaw is positioned outside the supporting protective sleeve and is driven by the second finger cylinder to clamp or loosen a cable.

As a further elaboration of the above technical solution:

in the technical scheme, the supporting plate is provided with a through hole for mounting a bolt; a plurality of heat dissipation holes are formed in the side wall of the lower cover body; two sliding rails are arranged on the bottom plate in an array manner; the two ends of the lower portion of the sliding table are provided with sliding blocks which are respectively in sliding fit with the two sliding rails, and the sliding table and the vertical plate are connected with reinforcing ribs.

In the technical scheme, the supporting protective sleeve is of a square tubular structure; and the upper wall of the supporting protective sleeve is provided with a viewing window for observing the display screen of the electronic tension meter.

In the technical scheme, the first rubber wrapping clamping jaw comprises an upper clamping block and a lower clamping block; the side walls of the upper clamping block and the lower clamping block, which are opposite, are respectively provided with a profiling clamping groove matched with the outer contour of the cable; the second rubber-covered clamping jaw has the same structure as the first rubber-covered clamping jaw.

In the above technical solution, three sets of the second clamps are arranged on the fixing plate; and three color recognition sensors are arranged on the bottom plate and respectively correspond to the three groups of second clamps one by one.

In the above technical solution, each of the second clamps further includes a plurality of pulleys; at least one pulley is arranged on each of the four side walls of the cylinder body of the second finger cylinder; and a rolling groove matched with the roller of the pulley in a rolling way is arranged on the inner wall of the supporting protective sleeve.

The beneficial effects of the utility model reside in that:

1. the sliding table is driven to slide by a servo motor in a manner of matching with screw rod transmission, so that the stroke precision is higher.

2. A servo motor drives a plurality of groups of first clamps to pull a plurality of cables simultaneously, so that tensile tests of the plurality of cables are completed on a tensile testing mechanism simultaneously, and the cable tensile testing mechanism has the advantages of compact structure, small occupied space, low manufacturing cost and the like.

3. The electronic tension meter is arranged in the supporting protective sleeve, so that the electronic tension meter is well protected, and the electronic tension meter is prevented from being damaged in the using or transporting process; meanwhile, the lower part of the supporting protective sleeve is provided with a socket for inserting an electric wire of an external industrial control system into an aviation interface of the electronic tension meter, so that the external industrial control system can conveniently monitor the tension applied to the cable in real time.

4. The bottom of the lower cover body is provided with the buffering mounting foot, so that when equipment or a working table surface of the mounting equipment vibrates, a good protection effect can be achieved.

5. The outer surfaces of the first rubber-coated clamping jaw and the second rubber-coated clamping jaw are protected by rubber, so that a good buffering protection effect is achieved when a cable is clamped, and the cable is effectively prevented from being damaged by clamping.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a cross-sectional view of the cushioned mounting foot of the present invention;

fig. 4 is a sectional view of a second clamp of the present invention.

Detailed Description

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

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Fig. 1-4 illustrate a concrete embodiment of a multistation tensile testing mechanism with antidetonation function, refer to fig. 1-4, a multistation tensile testing mechanism with antidetonation function, including bottom plate 1, lower cover body subassembly, drive assembly, riser 2, first anchor clamps 3, fixed plate 4 and second anchor clamps 5.

The lower cover assembly comprises a lower cover 6 and a buffer mounting foot 7. The lower cover body 6 is arranged at the lower part of the bottom plate 1; the lower part of the lower cover body 6 is provided with a plurality of buffer mounting feet 7; the buffering mounting foot 7 comprises a supporting plate 8, a sleeve 9, a limiting plate 10, a spring 11 and a supporting column 12; the sleeve 9 is arranged at the top of the supporting plate 8; the limiting plate 10 is connected with the sleeve 9 in a sliding mode, and the spring 11 abuts between the bottom of the sleeve 9 and the limiting plate 10; the top of the limiting plate 10 is provided with the supporting column 12, and the supporting column 12 penetrates through the sleeve 9 to be connected with the lower cover body 6 through a bolt. When the utility model discloses or install the utility model discloses a when table surface takes place to shake, limiting plate 10 for sleeve 9 takes place to move, spring 11 is compressed or is recovered, plays the buffering guard action, effectively prevents the utility model discloses each spare part takes place deformation and damages even in vibrations, and then influences the utility model discloses a precision.

The driving assembly comprises a servo motor 13, a screw rod 14, a screw rod nut 15, a connecting plate 16 and a sliding table 17. The servo motor 13 is arranged at the lower part of the bottom plate 1 and is positioned in the lower cover body 6. The screw rod 14 is connected with an output shaft of the servo motor 13, and the screw rod 14 is also arranged in the lower cover body 6. The screw rod nut 15 is in threaded fit with the screw rod 14, and the screw rod nut 15 is also arranged in the lower cover body 6. The lower end of the connecting plate 16 is fixedly connected with the screw rod nut 15, and the upper end of the connecting plate 16 is fixedly connected with the sliding table 17; the sliding table 17 is slidably mounted on the upper part of the bottom plate 1; the bottom plate 1 is provided with a clearance 18 for the connection plate 16 to move. In actual use, the servo motor 13 is connected with an external power supply to start working; an output shaft of the servo motor 13 drives the screw rod 14 to rotate, and the sliding table 17 is driven to do linear reciprocating motion in a screw rod transmission mode in the rotating process of the screw rod 14; the utility model discloses a servo motor 13 cooperation lead screw transmission is with the drive position precision when the mode that slip table 17 removed improves slip table 17 and removes.

The vertical plate 2 is arranged on the upper part of the right end of the sliding table 17. A plurality of the first clamps 3 are arranged on the right wall of the vertical plate 3. Each of the first grippers 3 includes a first finger cylinder 20 and a first collet gripper 21. The cylinder body of each first finger cylinder 20 is screwed and fixed on the vertical plate 2 and drives the first rubber-covered clamping jaw 21 to clamp or loosen a cable. Specifically, the first rubber-covered clamping jaw 21 is made of stainless steel with rubber coated on the surface, and the rubber coated on the surface of the first rubber-covered clamping jaw 21 has a good protection effect when a cable is clamped, so that the cable is prevented from being crushed.

The fixing plate 4 is mounted on the base plate 1. The plurality of second clamps 5 are arranged on the fixing plate 4 and correspond to the plurality of first clamps 3 one to one. The second gripper 5 comprises a support protective sheath 22, an electronic tension meter 23, a second finger cylinder 24 and a second encapsulated jaw 25. The supporting protection sleeve 22 is installed on the left wall of the fixing plate 4; an opening is formed in one side of the supporting and protecting sleeve 22 facing the first clamp 3. The electronic tension meter 23 is fixed in the supporting protective sleeve 22; the lower part of the supporting and protecting sleeve 22 is provided with a socket 26 for connecting an external electric wire to the aviation interface of the electronic tension meter 23. A block 28 is fixed on the cylinder body of the second finger cylinder 24, a shoulder 29 is formed at the free end of the pull rod 27 of the electronic tension meter 17, and the shoulder 29 is clamped between the block 28 and the cylinder body of the second finger cylinder 24. The second encapsulated jaw 25 is positioned outside the supporting and protecting sleeve 22 and is driven by the second finger cylinder 24 to clamp or unclamp the cable; the second rubber-coated clamping jaw 25 is made of stainless steel with the surface coated with rubber, and the rubber coated on the surface of the second rubber-coated clamping jaw 25 plays a good protection role in clamping a cable and prevents the cable from being crushed.

As right the utility model discloses a further explanation, be equipped with the through-hole 30 that is used for construction bolt in the backup pad 8, when specifically using the utility model discloses a bolt spiro union is fixed on table surface. The side wall of the lower cover body 6 is provided with a plurality of heat dissipation holes 31, so that the servo motor 13 can dissipate heat conveniently, or related electronic control modules and the like are subsequently built in the lower cover body 6. Two slide rails 32 are arranged on the bottom plate 1 in an array manner; the both ends of slip table 17 lower part are equipped with respectively with two slide rail 32 sliding fit's slider 33, through slide rail 32 with the cooperation of slider 33 makes when slip table 17 slides more smoothly, has still improved simultaneously precision and stability when slip table 17 moves. The sliding table 17 and the vertical plate 2 are connected with reinforcing ribs 34; to increase the strength of the riser 2.

As a further explanation of the present invention, the supporting and protecting sleeve 22 has a square tubular structure; the upper wall of the supporting and protecting sleeve 22 is provided with a viewing window for observing the display screen of the electronic tension meter 23. Specifically, the upper wall of the supporting and protecting sleeve 22 is provided with an opening, and a transparent glass cover plate 35 is bonded to the opening of the upper wall of the supporting and protecting sleeve 22 through glass cement.

As a further explanation of the present invention, the first encapsulated jaw 21 comprises an upper clamping block 36 and a lower clamping block 37; the opposite side walls of the upper clamping block 36 and the lower clamping block 37 are respectively formed with a profiling clamping groove matched with the outer contour of the cable, and during actual work, the first finger cylinder 20 drives the upper clamping block 36 and the lower clamping block 37 to be internally closed or externally opened so as to finish the action of clamping or releasing the cable. The second overmold jaw 25 is structurally identical to the first overmold jaw 21.

As a further explanation of the present invention, three groups of the second clamps 5 are disposed on the fixing plate 4; the bottom plate 1 is provided with three color recognition sensors 38, and the three color recognition sensors 38 are respectively in one-to-one correspondence with the three groups of second clamps 5. Specifically, the method comprises the following steps: the three color recognition sensors 38 are respectively used for recognizing the colors of the cables clamped on the three groups of second clamps 5, in actual use, the performance parameters of the cables with different colors are different, and after the color recognition sensors 38 are connected to an external industrial control system, the external industrial control system can detect the types of the cables clamped on the second clamps 5, so as to control the servo motor 13 to perform corresponding stretching actions.

As a further explanation of the present invention, each of the second clamps 5 further includes a plurality of pulleys 39; the four side walls of the cylinder body of the second finger cylinder 24 are provided with two pulleys 39; the roller seat of the pulley 39 is connected to the side wall of the second finger cylinder 18; the inner wall of the supporting protective sleeve 22 is provided with a rolling groove 40 which is matched with the roller of the pulley 39 in a rolling way. Because the whole weight of second finger cylinder 24 is great, if will second finger cylinder 24 direct mount lead to second finger cylinder 24 to install unstably even on the pull rod 27 of electron tensiometer 23 is bent or is broken, the utility model discloses a will second finger cylinder 24 slidable mounting is in the support protective sheath 22, it is right promptly second finger cylinder 24 plays fine supporting effect, can not fix again second finger cylinder 24 makes the tensile force that the cable receives can't pass through second finger cylinder 24 transmit to on the electron tensiometer 23.

The utility model discloses when using: firstly, an external manipulator clamps a cable and respectively sends two end parts of the cable to the first rubber-covered clamping jaw 21 and the second rubber-covered clamping jaw 25; then, the first finger cylinder 20 is connected to an external air source to drive the first rubber-covered clamping jaw 21 to clamp one end of the cable, and the second finger cylinder 24 is connected to an external air source to drive the second rubber-covered clamping jaw 25 to clamp the other end of the cable; then, the servo motor 13 drives the sliding table 17 to move in a direction away from the second clamp 5, so that the cable is tensioned; finally, the pulling force applied to the cable is transmitted to the pull rod 27 of the electronic tension meter 23 through the second finger cylinder 24, and the electronic tension meter 23 records the pulling force applied to the cable.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. A multi-station tension testing mechanism with an anti-seismic function is characterized by comprising a bottom plate, a lower cover body assembly, a driving assembly, a vertical plate, a first clamp, a fixing plate and a second clamp;

the lower cover body assembly comprises a lower cover body and a buffering mounting foot; the lower cover body is arranged at the lower part of the bottom plate; the lower part of the lower cover body is provided with a plurality of buffer mounting feet; the buffering mounting foot comprises a supporting plate, a sleeve, a limiting plate, a spring and a supporting column; the sleeve is arranged at the top of the supporting plate; the limiting plate is connected with the sleeve in a sliding mode, and the spring abuts between the bottom of the sleeve and the limiting plate; the supporting column is arranged at the top of the limiting plate and penetrates through the sleeve to be connected with the lower cover body;

the driving assembly comprises a servo motor, a screw rod nut, a connecting plate and a sliding table; the servo motor is arranged at the lower part of the bottom plate and is positioned in the lower cover body; the screw rod is connected with an output shaft of the servo motor; the screw rod nut is in threaded fit with the screw rod; the lower end of the connecting plate is fixedly connected with the screw rod nut, and the upper end of the connecting plate is fixedly connected with the sliding table; the sliding table is arranged on the upper part of the bottom plate in a sliding manner; the bottom plate is provided with a clearance for the connecting plate to move;

the vertical plate is arranged at one end part of the sliding table; the first clamps are arranged on the vertical plate; each of said first clamps comprising a first finger cylinder and a first encapsulated jaw; each first finger cylinder drives the first rubber coating clamping claw to clamp or release a cable;

the fixing plate is arranged on the bottom plate; the plurality of second clamps are arranged on the fixing plate and correspond to the plurality of first clamps one by one; the second clamp comprises a supporting protective sleeve, an electronic tension meter, a second finger cylinder and a second rubber-coated clamping jaw; the supporting protective sleeve is arranged on the fixing plate; an opening is formed in one side, facing the first clamp, of the supporting and protecting sleeve; the electronic tension meter is fixed in the supporting protective sleeve; the lower part of the supporting protective sleeve is provided with a socket for connecting an external wire to an aviation interface of the electronic tension meter; the cylinder body of the second finger cylinder is fixedly connected with a pull rod of the electronic tension meter; the second rubber-coated clamping jaw is positioned outside the supporting protective sleeve and is driven by the second finger cylinder to clamp or loosen a cable.

2. The multi-station tensile testing mechanism with the earthquake-proof function according to claim 1, wherein a through hole for installing a bolt is formed in the supporting plate; a plurality of heat dissipation holes are formed in the side wall of the lower cover body; two sliding rails are arranged on the bottom plate in an array manner; the two ends of the lower portion of the sliding table are provided with sliding blocks which are respectively in sliding fit with the two sliding rails, and the sliding table and the vertical plate are connected with reinforcing ribs.

3. The multi-station tensile testing mechanism with the earthquake-proof function according to claim 2, wherein the supporting and protecting sleeve is of a square cylindrical structure; and the upper wall of the supporting protective sleeve is provided with a viewing window for observing the display screen of the electronic tension meter.

4. The multi-station tensile testing mechanism with the earthquake-proof function according to claim 3, wherein the first rubber coating clamping jaw comprises an upper clamping block and a lower clamping block; the side walls of the upper clamping block and the lower clamping block, which are opposite, are respectively provided with a profiling clamping groove matched with the outer contour of the cable; the second rubber-covered clamping jaw has the same structure as the first rubber-covered clamping jaw.

5. The multi-station tensile testing mechanism with the earthquake-proof function according to claim 4, wherein three groups of second clamps are arranged on the fixing plate; and three color recognition sensors are arranged on the bottom plate and respectively correspond to the three groups of second clamps one by one.

6. A multistation tension test mechanism with an anti-seismic function according to any of claims 1-5, characterized in that each second clamp further comprises a plurality of pulleys; at least one pulley is arranged on each of the four side walls of the cylinder body of the second finger cylinder; and a rolling groove matched with the roller of the pulley in a rolling way is arranged on the inner wall of the supporting protective sleeve.