CN211439695U

CN211439695U - Clamping equipment for tension detection

Info

Publication number: CN211439695U
Application number: CN202020106290.9U
Authority: CN
Inventors: 孟宪琪; 刘实影
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-09-08
Anticipated expiration: 2030-01-17

Abstract

The utility model relates to a pulling force detects centre gripping equipment belongs to the quality testing field, the utility model relates to an it is ingenious, reduce the influence to the test result under the prerequisite that the flexible material of guaranteeing the centre gripping can not drop. The utility model discloses a support, the right branch frame, rotatory lock, the left socle, the gear, rack sliding block set and slide, the both sides at the support are installed to left socle and right branch frame symmetry, rotatory lock and gear fixed connection, rotatory lock swivelling joint is installed between left socle and right branch frame, rack sliding block set and left socle and right branch frame sliding connection, slide and left socle fixed connection, rack sliding block set and slide sliding connection, rack sliding block set and gear engagement, it is fixed for the first time to rotate the preforming to flexible material, later motor drive rotator and arc clamp plate carry out the secondary to flexible material and fix, the centre gripping is firm, and reduced local stress concentration and produced destruction to the material, improve the accuracy that detects.

Description

Clamping equipment for tension detection

Technical Field

The utility model relates to a pulling force detects centre gripping equipment belongs to the quality testing field.

Background

The tension detection is used for testing the tensile mechanical property of various materials, and is suitable for various materials, which is indispensable detection for quality control, the tension detection equipment is usually matched with clamping equipment for use, wherein the flexible material has complex variety, large performance difference and easy deformation and is easy to crush after being extruded, the common structural type of the conventional tension detection clamping device is a hook, two clamping blocks clamp the flexible material, the flexible material is fixed by pressing between a bolt and a fixing piece and the like, the methods are very easy to damage the flexible material before testing, the clamping force of the clamping device is small to cause falling, the clamping force of the clamping device greatly changes the thickness of the flexible material at a clamped part, so that the elasticity of the material is influenced, and the detection result is not accurate enough.

In view of the above problems, it is desirable to provide a tension detecting clamping apparatus to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pulling force detects centre gripping equipment, the beneficial effect is design benefit, reduces the influence to the test result under the prerequisite that the flexible material of guaranteeing the centre gripping can not drop. A brief summary of the present invention is provided below in order to provide a basic understanding of some aspects of the present invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention.

The technical scheme of the utility model:

the utility model provides a pulling force detects centre gripping equipment, includes support, right branch frame, rotatory lock, left socle, gear, rack sliding block group and slide, and left socle and right branch frame symmetry are installed in the both sides of support, and rotatory lock and gear fixed connection, rotatory lock rotation mounting are between left socle and right branch frame, rack sliding block group and left socle and right branch frame sliding connection, slide and left socle fixed connection, rack sliding block group and slide sliding connection, rack sliding block group and gear engagement.

Preferably: the rotary lock comprises a rotary body, a small shaft and a rotary pressing sheet, the rotary body is rotatably connected with the left support and the right support, a groove is processed on the rotary body, the small shaft is fixedly installed in the groove, and the rotary pressing sheet is rotatably connected with the small shaft.

Preferably: a first slide way through hole is processed on the left support, a second slide way through hole is processed on the right support, and the rack sliding block set is installed with the first slide way through hole and the second slide way through hole.

Preferably: the rack sliding block set comprises a rack, a sliding rod and an arc-shaped pressing plate, the side face of the rack is fixedly connected with the sliding rod, the upper portion of the sliding rod is fixedly connected with the arc-shaped pressing plate, the sliding rod is connected with a first slide way through hole and a second slide way through hole in a sliding mode, and the lower portion of the rack is connected with the slide ways in a sliding mode.

Preferably: and the support is detachably provided with foundation bolts.

Preferably: the gear is fixedly connected with the output end of the motor.

The utility model discloses following beneficial effect has:

rotate the preforming and carry out first fixed to flexible material, later motor drive rotator and arc clamp plate carry out the secondary to flexible material and fix, the winding increases to the winding flexible material of lower floor pressure when carrying out the tensile test at the upper flexible material of rotator simultaneously, utilize frictional force between the flexible material to increase the clamping-force, the centre gripping is firm, and reduced local stress concentration and produced destruction to the material, improve the accuracy that detects, install rag bolt on the support, can fix on the platform of different angles as required, convenient dismantlement and installation, rag bolt's standard component, convenient change.

Drawings

FIG. 1 is a front view of a tension sensing clamp apparatus;

FIG. 2 is a side view of a tension sensing clamp apparatus;

FIG. 3 is a cross-sectional view of a tension sensing clamp device;

FIG. 4 is a schematic structural view of a rack slider group;

FIG. 5 is a schematic view of the construction of the cell;

in the figure, 1-support, 2-right support, 21-second slideway through hole, 3-rotary lock, 31-rotary body, 32-small shaft, 33-rotary pressing sheet, 34-groove, 4-left support, 41-first slideway through hole, 5-gear, 6-rack sliding block set, 61-rack, 62-sliding rod, 63-arc pressing plate, 7-slideway, 8-motor and 9-anchor bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The utility model discloses the connection that mentions divide into fixed connection and can dismantle the connection, fixed connection (for being undetachable connection) includes but not limited to conventional fixed connection modes such as hem connection, rivet connection, adhesive connection and welded connection, can dismantle the connection including but not limited to conventional dismantlement modes such as threaded connection, buckle connection, pin joint and hinged joint, when not clearly prescribing a limit to concrete connection mode, defaulting always can find at least one kind of connected mode in current connected mode and can realize this function, and the technical staff in the art can select by oneself as required. For example: the fixed connection selects welding connection, and the detachable connection selects hinge connection.

The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 5, and the tension detection clamping device of the embodiment includes a support 1, a right support 2, a rotary lock 3, a left support 4, a gear 5, a rack slider group 6 and a slide 7, wherein the left support 4 and the right support 2 are symmetrically installed on two sides of the support 1, the rotary lock 3 is fixedly connected with the gear 5, the rotary lock 3 is rotatably installed between the left support 4 and the right support 2, the rack slider group 6 is slidably connected with the left support 4 and the right support 2, the slide 7 is fixedly connected with the left support 4, the rack slider group 6 is slidably connected with the slide 7, and the rack slider group 6 is engaged with the gear 5.

The second embodiment is as follows: the embodiment is described with reference to fig. 1-3 and 5, and the rotary lock 3 of the embodiment includes a rotary body 31, a small shaft 32 and a rotary pressing sheet 33, the rotary body 31 is rotatably connected with the left bracket 4 and the right bracket 2, a groove 34 is processed on the rotary body 31, the small shaft 32 is fixedly installed in the groove 34, the rotary pressing sheet 33 is rotatably connected with the small shaft 32, one side of the rotary pressing sheet 33 is pressed, the rotary pressing sheet 33 rotates, one side of the rotary pressing sheet 33 entering the groove 34 is limited by touching the inner wall of the groove 34, the rotary pressing sheet 33 is prevented from rotating too much, a flexible material is put into a gap between the rotary body 31 and the rotary pressing sheet 33, and the rotary pressing sheet 33 is pressed to clamp the flexible material between the rotary body 31 and the rotary pressing sheet 33, so as to realize one-time fixing of the flexible material.

The third concrete implementation mode: the embodiment is described with reference to fig. 1 to 4, and the tension detecting and clamping device of the embodiment is provided with a first slide way through hole 41 formed in the left bracket 4, a second slide way through hole 21 formed in the right bracket 2, and a rack slider group 6 mounted with the first slide way through hole 41 and the second slide way through hole 21.

The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1 to 4, and a clamping apparatus for detecting a pulling force of the present embodiment includes a rack slider group 6, which includes a rack 61, a slide rod 62, and an arc-shaped pressing plate 63, the slide rod 62 is fixedly connected to a side surface of the rack 61, the arc-shaped pressing plate 63 is fixedly connected to an upper portion of the slide rod 62, the slide rod 62 is slidably connected to a first slide through hole 41 and a second slide through hole 21, and a lower portion of the rack 61 is slidably connected to a slide 7.

The fifth concrete implementation mode: the embodiment is described with reference to fig. 1 and 2, and the tension detecting and clamping device of the embodiment is characterized in that the support 1 is detachably provided with the foundation bolt 9, the foundation bolt 9 fixes the support 1 on platforms at different angles as required, so that the support is convenient to detach and install, and the foundation bolt 9 is a standard component and is convenient to purchase and replace.

The sixth specific implementation mode: referring to fig. 1-5, the present embodiment is described, and a tension detecting clamping apparatus of the present embodiment, a gear 5 is fixedly connected to an output end of a motor 8, a motor frame is installed on a left bracket 4, in the present embodiment, the motor frame is not shown, but it should be understood that a person skilled in the art can install a bracket for carrying the motor 8 on the left bracket 4 by means of the prior art, for example, a bracket is formed by welding steel pipes, the motor 8 is fixedly installed on the bracket for welding steel pipes by bolts, the motor 8 is started, the gear 5 rotates clockwise, the gear 5 drives the rotator 31 to rotate clockwise, a flexible material is wound on the rotator 31, a rotating pressing sheet 33 is wound and limited by the flexible material, the gear 5 drives a rack 61 to move leftwards along a slideway 7, the rack 61 drives a sliding rod 62 to move along a first slideway through hole 41 and a second slideway through hole 21, the arc clamp plate 63 compresses tightly the flexible material of winding on rotator 31, the one end of flexible material is pressed from both sides tightly fixedly by tensile force detection clamping equipment, the other end is connected with tensile force detection equipment, at this moment, carry out the tensile force detection to the flexible material with the power of arc clamp plate 63 opposite direction, when carrying out the tensile force test, the upper strata flexible material of winding at rotator 31 increases to the flexible material pressure of lower floor winding, utilize the frictional force between the flexible material to increase clamping-force, guaranteed promptly to have not caused the drop flexible material when the test, the influence of local stress concentration to the test result has also been reduced simultaneously, make test data more accurate, the motion of rack sliding block group 6 and rotatory lock 3 is controlled simultaneously to motor 8, the cost is saved, and the work efficiency is improved.

It should be noted that, in the above embodiments, as long as the technical solutions can be aligned and combined without contradiction, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of the alignment and combination, and therefore the present invention does not describe the technical solutions after alignment and combination one by one, but it should be understood that the technical solutions after alignment and combination have been disclosed by the present invention.

This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.

Claims

1. The utility model provides a tensile force detects centre gripping equipment which characterized in that: the rack sliding block set comprises a support (1), a right support (2), a rotary lock (3), a left support (4), a gear (5), a rack sliding block set (6) and a slide way (7), wherein the left support (4) and the right support (2) are symmetrically arranged on two sides of the support (1), the rotary lock (3) is fixedly connected with the gear (5), the rotary lock (3) is rotatably arranged between the left support (4) and the right support (2), the rack sliding block set (6) is slidably connected with the left support (4) and the right support (2), the slide way (7) is fixedly connected with the left support (4), the rack sliding block set (6) is slidably connected with the slide way (7), and the rack sliding block set (6) is meshed with the gear (5).

2. The tension detecting clamp apparatus according to claim 1, wherein: the rotary lock (3) comprises a rotary body (31), a small shaft (32) and a rotary pressing sheet (33), the rotary body (31) is rotatably connected with the left support (4) and the right support (2), a groove (34) is formed in the rotary body (31), the small shaft (32) is fixedly installed in the groove (34), and the rotary pressing sheet (33) is rotatably connected with the small shaft (32).

3. The tension detecting clamp apparatus according to claim 1, wherein: a first slide through hole (41) is processed on the left support (4), a second slide through hole (21) is processed on the right support (2), and the rack sliding block set (6) is installed with the first slide through hole (41) and the second slide through hole (21).

4. A tension sensing gripping apparatus as claimed in claim 2 or 3, wherein: the rack sliding block set (6) comprises a rack (61), a sliding rod (62) and an arc-shaped pressing plate (63), the sliding rod (62) is fixedly connected to the side face of the rack (61), the arc-shaped pressing plate (63) is fixedly connected to the upper portion of the sliding rod (62), the sliding rod (62) is slidably connected with a first slide through hole (41) and a second slide through hole (21), and the lower portion of the rack (61) is slidably connected with a slide (7).

5. The tension detecting clamp apparatus according to claim 1, wherein: and the support (1) is detachably provided with foundation bolts (9).

6. The tension detecting clamp apparatus according to claim 1, wherein: the gear (5) is fixedly connected with the output end of the motor (8).