CN212159354U - Laboratory is with pulling force detection device - Google Patents

Abstract

The utility model provides a laboratory is with pulling force detection device, includes the organism, has display screen and control button's controller, and mobile device, mobile device have two, and mobile device upper and lower relative setting, and the hexagon socket head counter bore is seted up to the one end of screw rod, and the mobile device's that is located the downside top surface installation is with the same part of the mobile device of upside. The utility model discloses when using, the utility model discloses a pivot, mutually supporting between jack catch, gag lever post, the pressure spring isotructure, work as the utility model discloses carry out the pulling force of determinand and examine time measuring, the pulling force that the jack catch received is vertical ascending, and the gag lever post only receives the spring action of pressure spring this moment, and the gag lever post only plays spacing effect when the jack catch takes place to rotate, consequently the gag lever post can not take place to damage when carrying out the pulling force detection of determinand when adopting this kind of locking mode, and compares in the mode of bolt locking, the time that the adjustment mode of jack catch needs is shorter, and is more convenient fast.

Description

Laboratory is with pulling force detection device

Technical Field

The utility model belongs to the tensile force detection field, specifically speaking are tensile force detection device is used in laboratory.

Background

In the daily production process, the tensile force detection needs to be carried out on a rod piece, a plate or a rubber belt to check whether the tensile strength is qualified or not, the existing tensile force detection device for a laboratory has single function, the contact surface of a rod piece clamp and the rod piece is generally of an arc-shaped structure, the contact surface of the plate or rubber belt clamp and the plate or rubber belt is generally of a plane, and the clamp of the rod piece is different from the clamp used by the plate or rubber belt, so the detection device for detecting the tensile strength of the rod piece has the defects of troublesome detection on the plate or rubber belt, secondary treatment on the plate or rubber belt, or clamp replacement, time waste and reduction of the working efficiency of a user, when an object to be detected is pulled apart, the tensile force detection device can generate larger vibration due to the action of inertia, components such as a tensile force sensor, a controller and the like belong to precise instruments and are easy to damage when being subjected to the, affecting the normal use of the user.

SUMMERY OF THE UTILITY MODEL

The utility model provides a laboratory is with pulling force detection device for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

the utility model provides a laboratory is with tension detection device, includes the organism, has display screen and control button's controller, and mobile device, mobile device have two, and mobile device upper and lower relative setting, mobile device are connected with force transducer, its characterized in that: a rectangular block is fixedly installed on the bottom surface of the upper side moving device, a first groove is formed in the bottom surface of the rectangular block, a plurality of first sliding grooves are formed in the inner wall of each first groove, a rectangular sliding block is arranged in each first sliding groove, the top surface of each rectangular sliding block is fixedly connected with the top surface of the corresponding first sliding groove through a spring, a cylinder body is movably installed in each first groove, a plurality of clamping blocks are fixedly installed on the upper portion of the periphery of the cylinder body and are located in the corresponding first sliding grooves, a T-shaped groove is transversely formed in the cylinder body, the bottom surface of each T-shaped groove is communicated with the outside, T-shaped sliding blocks are movably installed on two sides of the inside of each T-shaped groove respectively, the surface of each T-shaped sliding block is in contact fit with the inner wall of each T-shaped groove, a screw hole is formed in one side of a vertical rod of each T-shaped sliding block, through holes are, the screw rod is in threaded fit with the screw hole, two rectangular clamping jaws are arranged below the cylinder body, the inner sides of the clamping jaws are of arc structures, first blind holes are formed in the top surfaces of the clamping jaws, second blind holes are formed in the bottom surfaces of the first blind holes, second sliding grooves are formed in the two sides of the second blind holes, wire grooves are formed in the bottom surfaces of the second blind holes and penetrate through the bottom surfaces of the clamping jaws, a rotating shaft is mounted in the first blind holes through a bearing, the lower end of the rotating shaft is located in each second blind hole, the upper end of the rotating shaft is fixedly connected with the bottom surface of the T-shaped sliding block, a cross-shaped groove is formed in the bottom surface of the rotating shaft, a T-shaped limiting rod is movably mounted in each second blind hole, two ends of a horizontal rod of each limiting rod are located in the corresponding second sliding groove, each limiting rod can be located in the corresponding cross-shaped groove, a pressure spring is sleeved on the, the top surface of the mobile device located at the lower side mounts the same components as the mobile device located at the upper side.

According to the tension detection device for the laboratory, the front faces of the clamping jaws are provided with the anti-skid lines.

According to the tension detection device for the laboratory, the rubber pad is fixedly arranged on the arc surface of the clamping jaw.

The tension detection device for the laboratory is characterized in that the wire rope is a steel wire rope.

According to the tension detection device for the laboratory, the lower end of the wire rope is fixedly provided with the pull wire.

According to the tension detection device for the laboratory, lubricating oil is smeared in the first sliding groove.

The utility model has the advantages that: when the utility model is used, when the object to be measured is a rod piece, one end of the rod piece is clamped by the clamping jaws above, one end of the rod piece is placed between two corresponding clamping jaws, the outer hexagonal wrench is inserted into the inner hexagonal counter bore internal rotation wrench, the screw rod is rotated, the T-shaped sliders at two sides of the screw rod are close to each other when the screw rod is rotated clockwise, the T-shaped sliders at two sides of the screw rod are far away from each other when the screw rod is rotated anticlockwise, the T-shaped sliders at two sides of the screw rod are close to each other by rotating the screw rod, the T-shaped sliders are moved to drive the corresponding rotating shafts and the clamping jaws to move together, the cambered surfaces of the clamping jaws are contacted and matched with the periphery of the rod piece, the rod piece is clamped, the moving device is moved by the controller, the other end of the rod piece can be positioned between the two clamping jaws, the numerical value of the tensile force born by the rod piece is identified by the tensile force sensor and then displayed on a display screen of the controller, whether the tensile capability of the rod piece is qualified or not is judged by comparing the numerical value with the standard numerical value of the tensile capability in the design of the rod piece, and if the numerical value is not broken in a qualified range, the tensile capability is unqualified; when the determinand is board or rubber tape, think to stimulate the cotton rope to the wire casing outside through the pull ring, during the cotton rope removes, drive the gag lever post and remove, make the horizon bar of gag lever post break away from the cross recess, then rotate the preceding inboard of jack catch, make the preceding relative of jack catch, loosen behind the cotton rope, under the effect of pressure spring elasticity, the gag lever post removes to the cross recess, the horizon bar card of gag lever post is gone into once more in the cross recess, the jack catch can't rotate the fixed of realization position this moment, then press from both sides board or rubber tape tightly, the clamping mode is the same with the member, the opposite face of corresponding jack catch is the plane after the jack catch rotates, area of contact with board or rubber tape is bigger, be applicable to the clamp of board or rubber. When the determinand is broken, because inertial effect jack catch can make progress or move down, the pivot of being connected with the jack catch can drive T type slider, cylinder and remove, and the cylinder can compression spring this moment, and inertia force changes the elasticity of spring into to play the effect of buffering, make the utility model discloses can not produce great vibrations, thereby protection force sensor, controller can not lead to damaging because vibrations, influence the use. The utility model discloses a pivot, mutually supporting between jack catch, gag lever post, the pressure spring isotructure, can be suitable for the clamp of multiple determinand tightly, thereby make the utility model discloses an application scope is wider. When the utility model discloses carry out the pulling force of determinand and examine time measuring, the pulling force that the jack catch received is vertical ascending, and the gag lever post only receives the spring action of pressure spring this moment, and the gag lever post only plays spacing effect when the jack catch takes place to rotate, consequently adopt this kind of locking mode time gag lever post can not take place to damage when the pulling force of carrying out the determinand detects, and compare in the mode of bolt locking, the time that the adjustment mode of jack catch needs is shorter, and is more convenient fast.

Drawings

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

Fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is an enlarged view of section I of FIG. 1; FIG. 3 is an enlarged view of a portion II of FIG. 2; fig. 4 is an enlarged view of the view from direction a of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a laboratory is with pulling force detection device, as shown in the figure, including organism 1, controller 2 that has display screen and control button, controller 2 and power supply circuit are connected, mobile device 3, and mobile device 3 has two, and mobile device 3 sets up relatively from top to bottom, and mobile device 3 and power, 2 circuit connection of controller, mobile device 3 are connected with force transducer, force transducer and power, 2 circuit connection of controller, its characterized in that: a rectangular block 4 is fixedly installed on the bottom surface of the upper side moving device 3, a first groove 5 is formed on the bottom surface of the rectangular block 4, a plurality of first sliding grooves 6 are formed on the inner wall of the first groove 5, the first sliding grooves 6 are uniformly distributed in the first groove 5, rectangular sliding blocks 7 are arranged in the first sliding grooves 6, the top surfaces of the rectangular sliding blocks 7 are respectively and fixedly connected with the top surfaces of the corresponding first sliding grooves 6 through springs 8, a cylinder 9 is movably installed in the first groove 5, the periphery of the cylinder 9 is in contact fit with the inner wall of the first groove 5, a plurality of clamping blocks 10 are fixedly installed on the upper portion of the periphery of the cylinder 9, the clamping blocks 10 are all located in the corresponding first sliding grooves 6, a T-shaped groove 11 which is transversely arranged is formed in the cylinder 9, the bottom surface of the T-shaped groove 11 is communicated with the outside, T-shaped sliding blocks 12 are respectively and movably installed on two sides in the T, a screw hole 13 is arranged on one side of a vertical rod of a T-shaped sliding block 12, through holes 14 are respectively arranged on two sides of a vertical groove of the T-shaped sliding block 11, a screw rod 15 is arranged in the T-shaped groove 11, the thread directions of two sides of the screw rod 15 are opposite, two ends of the screw rod 15 are respectively connected with the corresponding through holes 14 in a bearing way, the screw rod 15 is in thread fit with the screw holes 13, two rectangular clamping jaws 16 are arranged below a cylinder 9, the inner sides of the clamping jaws 16 are of an arc-shaped structure, first blind holes 17 are respectively arranged on the top surfaces of the clamping jaws 16, second blind holes 18 are arranged on the bottom surfaces of the first blind holes 17, second sliding grooves 19 are respectively arranged on two sides of the second blind holes 18, a wire groove 20 is arranged on the bottom surface of the second blind holes 18, a rotating shaft 21 is arranged in the first blind holes 17 in a bearing way, the lower end of the rotating shaft 21 is positioned in the second blind holes 18, the upper end of the rotating, the T-shaped limiting rod 23 is movably mounted in the second blind hole 18, two ends of a horizontal rod of the limiting rod 23 are located in corresponding second sliding grooves 19, the limiting rod 23 can move up and down along the second sliding grooves 19, the limiting rod 23 can be located in a cross groove 22, a pressure spring 24 is sleeved on the periphery of a vertical rod of the limiting rod 23, the upper end of the pressure spring 24 is fixedly connected with the horizontal rod of the limiting rod 23, the lower end of the pressure spring 24 is fixedly connected with the bottom surface of the second blind hole 18, the pressure spring 24 always provides thrust for the limiting rod 23, one end of a wire rope 25 is fixedly connected with the bottom surface of the limiting rod 23, the other end of the wire rope 25 penetrates through a wire groove 20 and is located outside a clamping jaw 16, an inner hexagonal counter bore 26 is formed in one end of a screw rod 15, and a component which. When the utility model is used, when the object to be measured is a rod piece, one end of the rod piece is firstly clamped through the clamping jaws 16 above, one end of the rod piece is placed between two corresponding clamping jaws 16, the outer hexagonal wrench is inserted into the inner hexagonal counterbore 26 to rotate the wrench, the screw rod 15 is rotated, the T-shaped sliders 12 at two sides of the screw rod 15 are close to each other when the screw rod 15 rotates clockwise, the T-shaped sliders 12 at two sides of the screw rod 15 are far away from each other when the screw rod 15 rotates anticlockwise, the T-shaped sliders 12 at two sides of the screw rod 15 are close to each other by rotating the screw rod 15, the T-shaped sliders 12 drive the corresponding rotating shafts 21 and the clamping jaws 16 to move together when moving, the cambered surfaces of the clamping jaws 16 are in contact fit with the periphery of the rod piece, the rod piece is clamped, the moving device 3 is moved by the controller, the other end of the rod piece can, after clamping, the moving devices 3 are mutually far away through the controller, the numerical value of the tensile force borne by the rod piece is identified through the tensile force sensor and then displayed on a display screen of the controller, whether the tensile capability of the rod piece is qualified or not is judged through comparison with the standard numerical value of the tensile capability in the design of the rod piece, and if the tensile capability is not broken in a qualified range, the tensile capability is unqualified; when the object to be measured is a plate or a rubber belt, the pull ring 27 is supposed to pull the wire 25 to the outer side of the wire groove 20, when the wire 25 moves, the limiting rod 23 is driven to move, the horizontal rod of the limiting rod 23 is separated from the cross-shaped groove 22, then the front surface of the clamping jaw 16 is rotated inwards, the front surface of the clamping jaw 16 is opposite, after the wire 25 is loosened, the limiting rod 23 moves to the cross-shaped groove 22 under the action of the elastic force of the pressure spring 24, the horizontal rod of the limiting rod 23 is clamped into the cross-shaped groove 22 again, the clamping jaw 16 cannot rotate to fix the position, then the plate or the rubber belt is clamped, the clamping mode is the same as a rod piece, the opposite surfaces of the corresponding clamping jaws 16 after the rotation of the clamping jaw 16 are planes, the contact area with the plate or the rubber belt. When the determinand is broken, because inertial effect jack catch 16 can upwards or move down, the pivot 21 of being connected with jack catch 9 can drive T type slider 12, cylinder 9 and remove, and cylinder 9 can compression spring 8 this moment, and spring 8's elasticity is changed into to inertial force to play the effect of buffering, make the utility model discloses can not produce great vibrations, thereby protection force sensor, controller 2 can not lead to damaging because vibrations, influence the use. The utility model discloses a pivot 21, mutually supporting between 16, gag lever posts 23, the pressure spring 24 isotructures of pressure spring can be suitable for the clamp of multiple determinand tightly, thereby makes the utility model discloses an application scope is wider. When the utility model discloses carry out the pulling force of determinand and examine time measuring, the pulling force that jack catch 16 received is vertical ascending, gag lever post 23 only receives the spring action of pressure spring 24 this moment, and gag lever post 23 only plays spacing effect when jack catch 16 takes place to rotate, consequently, gag lever post 23 can not take place to damage when the pulling force of carrying out the determinand detects when adopting this kind of locking mode, and compare in bolt locking's mode, 16 regulation mode of jack catch needs the time shorter, it is more convenient fast.

Specifically, as shown in fig. 1, the front surfaces of the claws 16 of the present embodiment are all provided with anti-slip threads. When the front surface of the clamping jaw 16 is used as a clamping surface, the structural design can increase the friction force between the clamping jaw 16 and the piece to be measured, so that the clamping jaw 16 can clamp the piece to be measured more firmly.

Specifically, as shown in fig. 4, a rubber pad is fixedly mounted on the arc surface of the claw 16 in the embodiment. The material of rubber pad is soft relatively, and when pressing from both sides tight member through jack catch 16, can take place deformation and the periphery in close contact with of member when rubber pad and the member contact, increase the area of contact of jack catch 16 and member, make the tight member of the clamp that jack catch 16 can be better.

Further, as shown in fig. 1, the wire 25 in this embodiment is a steel wire rope. Wire rope's intensity is big, is difficult to be broken by the stretch-breaking, can increase the utility model discloses a reliability and life.

Further, as shown in fig. 2, a pull 27 is fixedly installed at the lower end of the string 25 according to the present embodiment. This structural design can provide a stress point for the user to pull the cord 25, and the user can pull the cord 25 conveniently.

Further, as shown in fig. 2, the first sliding groove 6 of the present embodiment is coated with lubricant. This structural design can reduce the frictional force between the inner wall of first spout 6 and rectangle slider 7, fixture block 10, and the resistance is littleer when making rectangle slider 7 and fixture block 10 remove along first spout 6.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. The utility model provides a laboratory is with tension detecting device, includes organism (1), has display screen and control button's controller (2), and mobile device (3), mobile device (3) have two, and mobile device (3) relative setting is relative up from top to bottom, and mobile device (3) are connected with force transducer, its characterized in that: a rectangular block (4) is fixedly arranged on the bottom surface of the upper side moving device (3), a first groove (5) is formed in the bottom surface of the rectangular block (4), a plurality of first sliding grooves (6) are formed in the inner wall of the first groove (5), rectangular sliding blocks (7) are arranged in the first sliding grooves (6), the top surfaces of the rectangular sliding blocks (7) are respectively and fixedly connected with the top surfaces of the corresponding first sliding grooves (6) through springs (8), a cylinder body (9) is movably arranged in the first groove (5), a plurality of clamping blocks (10) are fixedly arranged on the upper portion of the periphery of the cylinder body (9), the clamping blocks (10) are respectively positioned in the corresponding first sliding grooves (6), a T-shaped groove (11) which is transversely arranged is formed in the cylinder body (9), the bottom surface of the T-shaped groove (11) is communicated with the outside, T-shaped sliding blocks (12) are respectively and movably arranged on two sides in the T-shaped groove (11), and the surface of the T, one side of a vertical rod of a T-shaped sliding block (12) is provided with a screw hole (13), two sides of a vertical groove of the T-shaped sliding block (11) are respectively provided with a through hole (14), a screw rod (15) is arranged in the T-shaped groove (11), the thread directions of two sides of the screw rod (15) are opposite, two ends of the screw rod (15) are respectively connected with bearings of the corresponding through holes (14), the screw rod (15) and the screw hole (13) are in equal threaded fit, two rectangular clamping jaws (16) are arranged below a cylinder (9), the inner sides of the clamping jaws (16) are of arc structures, the top surfaces of the clamping jaws (16) are respectively provided with a first blind hole (17), the bottom surface of the first blind hole (17) is provided with a second blind hole (18), two sides of the second blind hole (18) are respectively provided with a second sliding groove (19), the bottom surface of the second blind hole (18) is provided with a wire groove (, the lower extreme of pivot (21) is located second blind hole (18), the upper end of pivot (21) and the bottom surface fixed connection of T type slider (12), cross recess (22) are seted up to the bottom surface of pivot (21), gag lever post (23) of movable mounting T type in second blind hole (18), the both ends of gag lever post (23) horizontal pole are located corresponding second spout (19), gag lever post (23) can be located cross recess (22), the periphery suit pressure spring (24) of gag lever post (23) vertical pole, the fixed one end of connecting wire rope (25) of bottom surface of gag lever post (23), the other end of cotton rope (25) passes wire casing (20) and is located outside jack catch (16), interior counter bore (26) are seted up to the one end of screw rod (15), the top surface installation that is located downside mobile device (3) is the same part with the mobile device (3) of upside.

2. The laboratory pull force detection device of claim 1, wherein: the front of each clamping jaw (16) is provided with anti-skid grains.

3. The laboratory pull force detection device of claim 2, wherein: and a rubber pad is fixedly arranged on the arc surface of the clamping jaw (16).

4. The laboratory pull force detection device of claim 1, wherein: the thread rope (25) is a steel wire rope.

5. The laboratory pull force detection device of claim 4, wherein: the lower end of the wire rope (25) is fixedly provided with a pull rod (27).

6. The laboratory pull force detection device of claim 1, wherein: lubricating oil is smeared in the first sliding groove (6).

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