CN210119401U

CN210119401U - Clamp for measuring tensile strength of copper rod

Info

Publication number: CN210119401U
Application number: CN201920817490.2U
Authority: CN
Inventors: 郑正; 彭玉宇; 王强
Original assignee: Yancheng Sdic New Material Co Ltd
Current assignee: Yancheng Sdic New Material Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-02-28
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses an anchor clamps are used in copper pole tensile strength measurement, the on-line screen storage device comprises a base, two track boxes, two are installed to the symmetry on the base common slidable mounting has the removal frame on the track box, fixed mounting has the connecting seat on the removal frame, be fixed with force sensor on the connecting seat, install the fixing base on the base, all install fixture on force sensor and the fixing base. The utility model has the advantages of reasonable design, connect the steel band through adjusting gear, diversion gear, mobile gear, coaxial pinion and first connecting steel band, second and reach the purpose of removing the fixed copper pole of clamping bar centre gripping, it is more convenient to make to press from both sides tight regulation, through the adjusting collar respectively with regulation hole, regulating spindle meshing for can pin after pressing from both sides tightly, increase the stability and the persistence of anchor clamps.

Description

Clamp for measuring tensile strength of copper rod

Technical Field

The utility model relates to a tensile strength measures the anchor clamps field, especially relates to an anchor clamps are used in copper pole tensile strength measurement.

Background

The tensile measurement is to slowly pull a material sample under the action of an axial force until the material sample is broken, the tensile detection is to determine the yield strength, the tensile strength and the elongation of the material, the change between the tensile force and the deformation is observed during the test, and a relation curve between the stress and the strain is determined to evaluate the strength grade of the copper rod.

Current tensile strength measuring equipment's anchor clamps generally adopt the screw fixation, and first result of use is fine, nevertheless along with the increase of number of times of use, the number of turns that the screw needs to be rotatory is more and more, and screw take place deformation, and the screw is rotatory to the position also can't fix the copper pole at last, leads to anchor clamps not hard up, can't press from both sides tight copper pole, influences the measurement experiment.

Therefore, we have designed a clamp for measuring the tensile strength of a copper rod to solve the above problems.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a clamp for measuring the tensile strength of a copper rod.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a copper pole tensile strength measuring anchor clamps, includes the base, two track boxes, two are installed to the symmetry on the base common slidable mounting has the removal frame on the track box, fixed mounting has the connecting seat on the removal frame, be fixed with force sensor on the connecting seat, install the fixing base on the base, all install fixture (4) on force sensor (7) and fixing base (3).

Preferably, the clamping mechanism comprises a clamping groove for clamping the copper rod, two movable cavities are symmetrically formed in the inner side wall of the clamping groove, a clamping rod is slidably inserted into each movable cavity, a sawtooth groove is formed in the upper end of each clamping rod, an arc-shaped clamping plate is mounted at one end of each clamping rod, and a silica gel pad is attached to one surface, away from the clamping rod, of each arc-shaped clamping plate;

every all there is engaged with the pinion on the serration groove of clamping bar, fixture includes the gear groove, and the pinion rotates to be connected on the inner wall in gear groove, the change gear is installed to the gear inslot, the meshing has adjusting gear, two on the change gear all install coaxial pinion on moving gear, an adjusting gear and a change gear, first connection steel band is installed jointly to two coaxial pinions on change gear and the left side moving gear, the second connection steel band is installed jointly to two coaxial pinions on adjusting gear and the right side moving gear.

Preferably, the clamping mechanism is provided with an adjusting hole, an adjusting shaft is inserted into the adjusting hole, the adjusting shaft is fixedly inserted into a coaxial pinion arranged on the adjusting gear and the adjusting gear, one end of the adjusting shaft, which is far away from the adjusting gear, is provided with a first tooth groove, the first tooth groove is provided with an adjusting sleeve in a sliding sleeve meshing manner, the outer side wall of the adjusting sleeve is provided with a second tooth groove, the adjusting hole is located at one section of the first tooth groove, which is far away from the coaxial pinion, and is provided with a third tooth groove, the third tooth groove and the second tooth groove can be meshed, and one end of the adjusting sleeve, which is far away from the first tooth groove, is fixedly provided.

Preferably, the center of the adjusting gear and the center of the clamping groove are located on the same vertical line, that is, the adjusting gear is located right above the clamping groove.

Preferably, the length of the first connecting steel belt is smaller than that of the second connecting steel belt, and the four coaxial pinions are located on the same plane, that is, the first connecting steel belt and the second connecting steel belt are located on the same plane.

The utility model discloses following beneficial effect has:

1. the movable gears at two ends can rotate only by rotating the adjusting gear in a connecting steel belt connecting mode for the adjusting gear meshing and the coaxial pinion, and the rotating directions are opposite, so that the arc-shaped clamping plates can clamp the copper rod, and the copper rod clamping device is more convenient and easy to operate compared with the existing clamp.

2. The silica gel pad has all been pasted to the clamping face of arc splint, at the in-process of centre gripping copper pole, increases the frictional force between clamping face and the copper pole, makes the copper pole can not lead to the condition emergence that the pulling drops because of great pulling force, increases anchor clamps measuring accuracy.

3. Meshing between the second tooth's socket of adjusting collar and the first tooth's socket of regulating spindle for adjust knob can easily rotate the regulating spindle and make adjusting gear rotate, and the third tooth's socket of adjusting collar second tooth's socket and regulation hole passes through the adjusting collar and to inside sliding engagement, pins the adjusting collar and rotates. Thereby pin the regulating spindle and rotate for press from both sides tight back, can not make the removal gear reversal lead to the centre gripping not hard up because of stress, increased the stability and the persistence that anchor clamps pressed from both sides tight use.

To sum up, the utility model has the advantages of reasonable design, connect the steel band through adjusting gear, diversion gear, moving gear, coaxial pinion and first connecting steel band, second and reach the purpose of removing the fixed copper pole of clamping bar centre gripping, it is more convenient to make to press from both sides tight the regulation, through the adjusting collar respectively with regulation hole, regulating spindle meshing for can pin after pressing from both sides tightly, increase the stability and the persistence of anchor clamps.

Drawings

Fig. 1 is a schematic structural view of a clamp for measuring tensile strength of a copper rod according to the present invention;

FIG. 2 is an enlarged view of a portion of a clamping mechanism of the clamp for measuring tensile strength of a copper rod according to the present invention;

fig. 3 is the utility model provides a copper pole tensile strength measures the adjusting knob part enlarger of using anchor clamps.

In the figure: the device comprises a base 1, a track box 2, a fixed seat 3, a clamping mechanism 4, a connecting seat 5, a movable frame 6, a tension sensor 7, a direction changing gear 401, a first connecting steel strip 402, a movable gear 403, a clamping rod 404, an arc-shaped clamping plate 405, a clamping groove 406, a silica gel pad 407, a movable cavity 408, a gear groove 409, a second connecting steel strip 410, an adjusting gear 411, an adjusting shaft 412, a first tooth groove 413, an adjusting sleeve 414 and an adjusting knob 415.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a copper pole tensile strength measuring anchor clamps, includes base 1, and two track boxes 2 are installed to the symmetry on base 1, and common slidable mounting has a removal frame 6 on two track boxes 2, and fixed mounting has connecting seat 5 on removing the frame 6, is fixed with force sensor 7 on the connecting seat 5, installs fixing base 3 on the base 1, all install fixture (4) on force sensor (7) and fixing base (3).

The clamping mechanism 4 comprises a clamping groove 406 for clamping the copper rod, two movable cavities 408 are symmetrically formed in the inner side wall of the clamping groove 406, a clamping rod 404 is slidably inserted into each movable cavity 408, a sawtooth groove is formed in the upper end of each clamping rod 404, an arc-shaped clamping plate 405 is mounted at one end of each clamping rod 404, and a silica gel pad 407 is attached to one surface, away from the clamping rod 404, of each arc-shaped clamping plate 405;

a moving gear 403 is meshed with a sawtooth groove of each clamping rod 404, each clamping mechanism 4 comprises a gear groove 409, the moving gear 403 is rotatably connected to the inner wall of the gear groove 409, a change gear 401 is installed in the gear groove 409, an adjusting gear 411 is meshed with the change gear 401, coaxial pinions are installed on the two moving gears 403, the adjusting gear 411 and the change gear 401, a first connecting steel belt 402 is installed on the two coaxial pinions on the change gear 401 and the left moving gear 403 together, a second connecting steel belt 410 is installed on the two coaxial pinions on the adjusting gear 411 and the right moving gear 403 together, the length of the first connecting steel belt 402 is smaller than that of the second connecting steel belt 410, the four coaxial pinions are located on the same plane, namely the first connecting steel belt 402 and the second connecting steel belt 410 are located on the same plane.

The clamping mechanism 4 is provided with an adjusting hole, an adjusting shaft 412 is inserted in the adjusting hole, the adjusting shaft 412 is fixedly inserted on the coaxial pinion arranged on the adjusting gear 411 and the adjusting gear 411, one end of the adjusting shaft 412, far away from the adjusting gear 411, is provided with a first tooth groove 413, a sliding sleeve on the first tooth groove 413 is engaged with an adjusting sleeve 414, a second tooth groove is arranged on the outer side wall of the adjusting sleeve 414, the adjusting hole is located from the first tooth groove 413 to one section of the coaxial pinion, and can be engaged with the second tooth groove, one end of the adjusting sleeve 414, far away from the first tooth groove 413, is fixedly provided with an adjusting knob 415, the center of the adjusting gear 411 and the center of the clamping groove 406 are located on the same vertical line, namely, the adjusting gear 411 is located right above the clamping groove 406.

When the utility model is used, two ends of the copper rod are respectively inserted into the clamping grooves 406 of the two clamping mechanisms 4, then the adjusting knob 415 is rotated clockwise, the adjusting knob 415 is meshed with the adjusting shaft 412 through the adjusting sleeve 414 to drive the adjusting shaft 412 to rotate clockwise, the adjusting shaft 412 drives the adjusting gear 411 to rotate clockwise, the adjusting gear 411 rotates clockwise to drive the right movable gear 403 to rotate clockwise through the coaxial pinion and the second connecting steel strip 410, the left movable gear 403 is driven to rotate anticlockwise through the change gear 401, the coaxial pinion and the first connecting steel strip 402, the movable gear 403 is meshed with the sawtooth grooves of the clamping rods 404 to drive the left clamping rods 404 and the right clamping rods 404 to move towards the clamping grooves 406, the copper rod is clamped, the adjusting knob 415 is pushed after being clamped, so that the adjusting sleeve 414 enters one section of the adjusting hole with the third tooth groove, because the outer wall of the adjusting sleeve 414 is provided with the second tooth groove, and the second tooth's socket can mesh with the third tooth's socket, then the third tooth's socket locks adjusting sleeve 414 through the second tooth's socket, then adjusting sleeve 414 locks adjusting shaft 412 through first tooth's socket, then the tight copper pole of clamp can not make the gear reversal lead to becoming flexible because of the stress that exists, has increased the clamping capacity of anchor clamps.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a copper pole tensile strength anchor clamps for measurement, includes base (1), its characterized in that, two track boxes (2), two are installed to the symmetry on base (1) common slidable mounting has removal frame (6) on track box (2), fixed mounting has connecting seat (5) on removal frame (6), be fixed with force sensor (7) on connecting seat (5), install fixing base (3) on base (1), all install fixture (4) on force sensor (7) and fixing base (3).

2. The clamp for measuring the tensile strength of the copper rod according to claim 1, wherein the clamping mechanism (4) comprises a clamping groove (406) for clamping the copper rod, two movable cavities (408) are symmetrically formed in the inner side wall of the clamping groove (406), a clamping rod (404) is slidably inserted into each movable cavity (408), a sawtooth groove is formed in the upper end of each clamping rod (404), an arc-shaped clamping plate (405) is mounted at one end of each clamping rod (404), and a silica gel pad (407) is attached to one surface, away from the clamping rod (404), of each arc-shaped clamping plate (405);

every all there is engaged with moving gear (403) on the serration groove of holder (404), fixture (4) are including gear groove (409), and moving gear (403) rotate and connect on the inner wall of gear groove (409), install change gear (401) in gear groove (409), the meshing has adjusting gear (411) on change gear (401), two all install coaxial pinion on moving gear (403), an adjusting gear (411) and a change gear (401), first connection steel band (402) is installed jointly to two coaxial pinions on change gear (401) and left side moving gear (403), second connection steel band (410) is installed jointly to two coaxial pinions on adjusting gear (411) and right side moving gear (403).

3. The clamp for measuring the tensile strength of the copper rod according to claim 2, wherein an adjusting hole is formed in the clamping mechanism (4), an adjusting shaft (412) is inserted into the adjusting hole, the adjusting shaft (412) is fixedly inserted into coaxial pinions on the adjusting gear (411) and the adjusting gear (411), a first tooth groove (413) is formed in one end, away from the adjusting gear (411), of the adjusting shaft (412), an adjusting sleeve (414) is arranged on the first tooth groove (413) in a sliding sleeve meshing manner, a second tooth groove is formed in the outer side wall of the adjusting sleeve (414), the adjusting hole is located in a section from the first tooth groove (413) to the coaxial pinions, a third tooth groove is formed in a section from the first tooth groove (413) to the coaxial pinions, the third tooth groove is in a meshing manner with the second tooth groove, and an adjusting knob (415) is fixedly installed at one end, away from the first tooth groove (413), of the adjusting sleeve (.

4. The clamp for measuring the tensile strength of the copper rod as recited in claim 3, wherein the center of the adjusting gear (411) and the center of the clamping groove (406) are located on the same vertical line, that is, the adjusting gear (411) is located right above the clamping groove (406).

5. The clamp for measuring the tensile strength of the copper rod as recited in claim 2, wherein the length of the first connecting steel strip (402) is smaller than that of the second connecting steel strip (410), and the four coaxial pinions are all located on the same plane, i.e. the first connecting steel strip (402) and the second connecting steel strip (410) are located on the same plane.