CN219625205U - Clamp for tensile test of compatibility binding line of refrigeration compressor - Google Patents
Clamp for tensile test of compatibility binding line of refrigeration compressor Download PDFInfo
- Publication number
- CN219625205U CN219625205U CN202223070046.XU CN202223070046U CN219625205U CN 219625205 U CN219625205 U CN 219625205U CN 202223070046 U CN202223070046 U CN 202223070046U CN 219625205 U CN219625205 U CN 219625205U
- Authority
- CN
- China
- Prior art keywords
- fixed seat
- sample
- plate
- side plate
- clamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a clamp for testing the tensile strength of a binding line compatible with a refrigeration compressor, which comprises clamping assemblies arranged on a material testing machine in pairs, and is characterized in that the clamping assemblies comprise a fixed seat provided with a bottom plate, a right side plate and a rear side plate, and a fixing device which is arranged on the fixed seat and can fix a sample, and a steering part is arranged on the rear side plate of the fixed seat; the end part of the sample enters the fixed seat from one side of the fixed seat, passes through the fixed seat from the other side of the fixed seat after the direction of the sample is changed by the steering part in the fixed seat, and is clamped and fixed by the fixing device; a guide channel for the sample to pass through is formed between the steering part and the right side plate and the bottom plate of the fixed seat; the utility model can lead the clamping position of the sample to be stressed uniformly so as to reduce the deformation at the clamping position to break.
Description
Technical Field
The utility model relates to equipment for testing the tension of a binding line of the compatibility of a refrigeration compressor, in particular to a clamp for testing the tension of the binding line of the compatibility of the refrigeration compressor.
Background
According to IEC60335-2-34:2021 requires that the ligature wire used on the refrigeration compressor be subjected to a tensile test before and after being subjected to a compatibility test, measuring its maximum tensile force; the binding line sample adopted in the tensile test is in a slender line shape and is fixed on a material testing machine through a clamp, the material testing machine comprises a machine table and a lifting component, a sensor is arranged on the lifting component, a tensile force is applied to the sample through the lifting component until the sample breaks, and relevant test data of the sample during breaking are obtained through the sensor.
The traditional clamp is a jaw clamp, the clamp is used for clamping a sample, the clamping part of the sample is greatly deformed, and the clamping part is easy to break before other parts of the sample, so that the real maximum tensile force of the sample cannot be measured, and the standard requirement cannot be met; in addition, the traditional clamp adopts a screw to drive the jaw to be closed, and when the opening and closing degree of the jaw is changed, the screw needs to be rotated, but the speed of clamping a sample is low due to small axial movement amount corresponding to each rotation of the screw, so that the sample efficiency is reduced, and the operation is inconvenient.
Disclosure of Invention
The utility model aims to provide a clamp for a refrigeration compressor compatible binding line tensile test, which can lead the clamping position of a sample to be stressed uniformly, thereby reducing the deformation at the clamping position to break.
The aim of the utility model is achieved by the following technical scheme:
the clamp for the tensile test of the compatibility binding line of the refrigeration compressor comprises clamping assemblies which are arranged on a material testing machine in pairs, wherein each clamping assembly comprises a fixed seat with a bottom plate, a right side plate and a rear side plate, and a fixing device which is arranged on the fixed seat and can fix a sample, and a steering part is arranged on the rear side plate of the fixed seat; the end part of the sample enters the fixed seat from one side of the fixed seat, passes through the fixed seat from the other side of the fixed seat after the direction of the sample is changed by the steering part in the fixed seat, and is clamped and fixed by the fixing device; a guide channel for the sample to pass through is formed between the steering part and the right side plate and the bottom plate of the fixed seat.
Based on the technical scheme, the utility model can be improved as follows:
further, the bottom side of the turning part is provided with a circular arc-shaped convex surface.
Further, a baffle plate is arranged at the front side of the turning part and is close to the bottom side of the turning part, and the baffle plate is provided with a rim extending out of the turning part.
Further, the side of the steering part, which is far away from the fixing device, is provided with a slope which is inclined inwards from bottom to top.
Further, the fixing device comprises a pressing plate and an eccentric wheel, the pressing plate is arranged in the guide channel and opposite to the steering part, the eccentric wheel is rotatably arranged on the right side plate of the fixing seat, and the pressing plate can be driven to move towards the steering part by rotating the eccentric wheel so as to clamp and fix the sample.
Further, a handle is fixedly connected to the peripheral surface of the eccentric wheel.
Further, a through hole is formed in the right side plate of the fixing base, a pin shaft is movably inserted in the through hole, one end of the pin shaft penetrates out of the outer side of the right side plate of the fixing base and is provided with a pin cap, the diameter of the pin cap is larger than that of the pin shaft, and the other end of the pin shaft penetrates into the inner side of the right side plate of the fixing base and is fixedly connected with the pressing plate; the pin shaft is sleeved with a spring, one end of the spring is abutted against the pin cap, and the other end of the spring is abutted against the right side plate of the fixing seat.
Further, the top of clamp plate and the top parallel and level of turning to the portion are connected with the stopper between the right side board of fixing base and the top of turning to the portion, and stopper and clamp plate stop cooperation to the restriction clamp plate rocks from top to bottom.
Further, a backing plate is detachably embedded on one side of the pressing plate, which is contacted with the eccentric wheel, and a mounting groove for correspondingly mounting the backing plate is formed in the pressing plate.
Further, the bottom of fixing base passes through coupling assembling detachably installs on the material testing machine.
Compared with the prior art, the technology of the utility model has the following advantages:
(1) The utility model is provided with the steering part on the fixed seat, the end part of the sample passes through the fixed seat after the direction of the steering part is changed, and is clamped and fixed by the fixing device, so that the clamping part of the sample is uniformly stressed, and the deformation at the clamping part is reduced to break;
(2) The fixing device comprises the pressing plate and the eccentric wheel, wherein the pressing plate opposite to the steering part is arranged in the guide channel, and the rotating eccentric wheel can drive the pressing plate to move towards the steering part to clamp and fix the sample, so that the quick fixing of the sample is realized, and the test efficiency is improved.
Drawings
The utility model will be described in further detail with reference to the accompanying drawings and specific embodiments
FIG. 1 is a schematic view of a clamp of the present utility model holding a sample;
fig. 2 is a schematic structural view of a clamping assembly according to the present utility model.
The marks on the accompanying drawings: 1-fixing seat, 2-steering part, 3-baffle, 4-clamp plate, 5-eccentric wheel, 6-round pin axle, 7-stopper, 8-connecting seat, 9-connector, 10-spliced pole, 11-vertical lock nut, 12-horizontal lock bolt, 13-handle, 14-pivot, 15-backing plate.
Detailed Description
The following description of specific embodiments of the utility model is provided to aid in understanding the utility model and is not to be construed as limiting the utility model, as illustrated in the accompanying drawings. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Referring to fig. 1, the utility model relates to a clamp for testing the tension of a binding line of a compatibility of a refrigeration compressor, wherein a material testing machine used in the embodiment is conventional equipment, and comprises a machine table and a lifting part, and a sensor is arranged on the lifting part; the clamp comprises clamping assemblies arranged on the material testing machine in pairs, wherein one clamping assembly is fixedly connected with a machine table of the material testing machine, the other clamping assembly is fixedly connected with a lifting component of the material testing machine, a sample is vertically clamped on the material testing machine through the clamping assemblies, the lifting component of the material testing machine moves upwards to pull the sample to form a tensile force, and the sample correspondingly stretches and deforms until the sample breaks under the action of the tensile force to complete the test.
Referring to fig. 2, the clamping assembly includes a fixing base 1 and a fixing device provided on the fixing base 1 to fix a sample, the fixing base 1 having a bottom plate, a right side plate and a rear side plate connected to each other, the top, left side and front sides of the fixing base 1 being open; the end of the sample enters the fixing seat 1 from the left side of the fixing seat 1, passes out of the fixing seat 1 from the top of the fixing seat 1 after changing the direction in the fixing seat 1, and is clamped and fixed by the fixing device.
Specifically, a steering part 2 is arranged on the rear side plate of the fixed seat 1, the end part of the sample enters the fixed seat 1 from the left side of the fixed seat 1, after the direction of the sample is changed by the steering part 2 in the fixed seat 1, the sample passes out of the fixed seat 1 from the top of the fixed seat 1 and is clamped and fixed by a fixing device; a guide passage through which the sample passes is formed between the steering portion 2 and the right side plate and the bottom plate of the holder 1.
The bottom side of the steering part 2 is provided with a circular arc convex surface, the end part of the sample enters the fixed seat 1 from the left side of the fixed seat 1, the direction of the sample is changed after the circular arc convex surface along the bottom side of the steering part 2 is wound in the fixed seat 1, the sample passes out of the fixed seat 1 from the top of the fixed seat 1, and the sample is clamped and fixed by a fixing device; through the convex surface of the bottom arc of the steering part 2, the contact area with the sample can be increased, and the stress is more uniform, so that the deformation of the sample at the clamping position is reduced to break.
The front side of the turning part 2 is provided with a baffle plate 3 close to the bottom side of the turning part, and the baffle plate 3 is provided with edges extending out of the left side, the right side and the bottom side of the turning part 2 so as to prevent the sample from separating from the turning part when being stretched; the baffle 3 in this embodiment is a circular baffle, and may be a rectangular or square baffle according to actual needs.
The left side of the steering part 2 is provided with an inclined surface which is inclined inwards from bottom to top, so that the contact of the sample with the left side of the steering part 2 during stretching is avoided, and the accuracy of the test is improved.
The fixing device comprises a pressing plate 4 and an eccentric wheel 5, the pressing plate 4 is arranged in the guide channel and is opposite to the right side of the steering part 2, the eccentric wheel 5 is rotatably arranged on the right side plate of the fixing seat 1, and the pressing plate 4 can be driven to move towards the steering part 2 by rotating the eccentric wheel 5 so as to clamp and fix a sample; a handle 13 is fixedly connected to the peripheral surface of the eccentric wheel 5.
A through groove is formed in the right side plate of the fixed seat 1, and the eccentric wheel 5 is hinged in the through groove through a rotating shaft 14; the right side plate of the fixed seat 1 is also provided with two through holes, the through holes are positioned at the upper side and the lower side of the through groove, a pin shaft 6 is movably inserted in the through holes, one end of the pin shaft 6 penetrates out of the outer side of the right side plate of the fixed seat 1 and is provided with a pin cap, the diameter of the pin cap is larger than that of the pin shaft 6, and the other end of the pin shaft 6 penetrates into the inner side of the right side plate of the fixed seat 1 and is fixedly connected with the pressing plate 4; a spring (not shown in the drawing) is sleeved on the pin shaft 6, one end of the spring is abutted against the pin cap, and the other end is abutted against the right side plate of the fixed seat 1.
After the end part of the sample passes through the fixed seat 1 from the top of the fixed seat 1, the holding handle 13 drives the eccentric wheel 5 to rotate forward, the eccentric wheel 5 pushes the pressing plate 4 to move towards the steering part 2, the distance between the pressing plate 4 and the steering part 2 is reduced until the sample is clamped, and the spring is compressed and deformed; the eccentric 5 has an outer contour corresponding to the stroke of the pressing plate 4; after the test is finished, the eccentric wheel 5 is driven to rotate reversely, the pressing plate 4 loosens the tested sample and returns to the original position under the action of the elastic force generated by the spring so as to facilitate the subsequent test, thereby realizing the rapid fixing of the sample and improving the test efficiency.
The top of the pressing plate 4 is level with the top of the steering part 2, a limiting block 7 is connected between the right side plate of the fixing seat 1 and the top of the steering part 2, and the limiting block 7 is in stop fit with the pressing plate 4 to limit the pressing plate 4 from shaking up and down; one end of the limiting block 7 is fixedly connected with the right side plate of the fixed seat 1 through a bolt, the other end of the limiting block is fixedly connected with the top of the steering part 2 through a bolt, through holes for the bolt to pass through are formed in the two ends of the limiting block 7, and corresponding bolt holes are formed in the right side plate of the fixed seat 1 and the top of the steering part 2.
The side of the pressing plate 4, which is contacted with the eccentric wheel 5, is detachably embedded with a backing plate 15 so as to be convenient for replacement when worn, and the pressing plate 4 is provided with a mounting groove for correspondingly mounting the backing plate.
The bottom end of the fixing seat 1 is detachably arranged on a material testing machine through a connecting component, the connecting component comprises a connecting seat 8 and a connector 9 which are detachably connected, the connecting seat 8 is arranged on the material testing machine through bolts, corresponding bolt holes are formed in the connecting seat 8, a connecting column 10 is formed on the top surface of the connecting seat 8, and external threads are arranged on the connecting column 10 and are in threaded connection with a longitudinal locking nut 11; the connector 9 is fixed to be set up in the bottom plate outside of fixing base 1, and vertical screw hole has been seted up to the bottom of connector 9, and horizontal screw hole has been seted up to one side of connector 9, and horizontal screw hole and vertical screw hole intercommunication, horizontal screw hole internal thread connection have horizontal locking bolt 12.
During fixture mounting, the connecting seat 8 is mounted on the material testing machine, the connector 9 on the fixing seat 1 is in threaded connection with the connecting column 10 on the connecting seat 8, the longitudinal locking nut 11 is rotated to limit the longitudinal movement of the fixing seat 1, and the transverse locking bolt 12 is rotated to extrude the connecting column 10 to limit the rotation of the fixing seat 1, so that the quick assembly and disassembly are facilitated, and the test efficiency is improved.
The above-mentioned embodiments of the present utility model are not intended to limit the scope of the present utility model, and the embodiments of the present utility model are not limited thereto, and all kinds of modifications, substitutions or alterations made to the above-mentioned structures of the present utility model according to the above-mentioned general knowledge and conventional means of the art without departing from the basic technical ideas of the present utility model shall fall within the scope of the present utility model.
Claims (10)
1. The clamp for the tensile test of the compatible binding line of the refrigeration compressor comprises clamping assemblies arranged on a material testing machine in pairs, and is characterized by comprising a fixed seat with a bottom plate, a right side plate and a rear side plate, and a fixing device which is arranged on the fixed seat and can fix a sample, wherein a steering part is arranged on the rear side plate of the fixed seat; the end part of the sample enters the fixed seat from one side of the fixed seat, passes through the fixed seat from the other side of the fixed seat after the direction of the sample is changed by the steering part in the fixed seat, and is clamped and fixed by the fixing device; a guide channel for the sample to pass through is formed between the steering part and the right side plate and the bottom plate of the fixed seat.
2. The clamp for a refrigerant compressor compatible ligature wire tensile test of claim 1 wherein a bottom side of said diverter has a convex arcuate surface.
3. The clamp for a refrigerant compressor compatibility tie line tensile test of claim 2, wherein the front side of the diverter is provided with a baffle adjacent the bottom side thereof, the baffle having a rim extending beyond the diverter.
4. A clamp for a refrigerant compressor compatible ligature tensile test as recited in claim 3 wherein said side of said diverter remote from said fixture has a bottom-up inwardly sloped surface.
5. The fixture for a tension test of a refrigerant compressor compatible with a ligature line of claim 4, wherein said fixing means comprises a pressing plate disposed in the guide passage opposite the steering portion, and an eccentric rotatably mounted on the right side plate of the fixing base, the rotating eccentric driving the pressing plate to move toward the steering portion to clamp the fixed specimen.
6. The fixture for testing the tensile strength of a ligature wire for compatibility of a refrigerant compressor as recited in claim 5, wherein a handle is fixedly connected to the peripheral surface of said eccentric wheel.
7. The fixture for testing the tensile strength of the ligature wire of the compatibility of the refrigeration compressor according to claim 6, wherein the right side plate of the fixed seat is provided with a through hole, a pin shaft is movably inserted in the through hole, one end of the pin shaft penetrates out of the right side plate of the fixed seat and is provided with a pin cap, the diameter of the pin cap is larger than that of the pin shaft, and the other end of the pin shaft penetrates into the inner side of the right side plate of the fixed seat and is fixedly connected with the pressing plate; the pin shaft is sleeved with a spring, one end of the spring is abutted against the pin cap, and the other end of the spring is abutted against the right side plate of the fixing seat.
8. The fixture for testing the tension of the compatibility binding line of the refrigeration compressor according to claim 5, wherein the top of the pressing plate is flush with the top of the steering part, a limiting block is connected between the right side plate of the fixing seat and the top of the steering part, and the limiting block is matched with the pressing plate in a blocking way so as to limit the pressing plate to swing up and down.
9. The fixture for testing the tensile strength of the compatibility binding line of the refrigeration compressor according to claim 8, wherein a backing plate is detachably embedded on one side of the pressing plate, which is contacted with the eccentric wheel, and a mounting groove for correspondingly mounting the backing plate is formed in the pressing plate.
10. The clamp for testing the tension of the compatibility of the binding wires of the refrigeration compressor according to any one of claims 1 to 9, wherein the bottom end of the fixing seat is detachably arranged on the material testing machine through a connecting component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223070046.XU CN219625205U (en) | 2022-11-18 | 2022-11-18 | Clamp for tensile test of compatibility binding line of refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223070046.XU CN219625205U (en) | 2022-11-18 | 2022-11-18 | Clamp for tensile test of compatibility binding line of refrigeration compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219625205U true CN219625205U (en) | 2023-09-01 |
Family
ID=87791743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223070046.XU Active CN219625205U (en) | 2022-11-18 | 2022-11-18 | Clamp for tensile test of compatibility binding line of refrigeration compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219625205U (en) |
-
2022
- 2022-11-18 CN CN202223070046.XU patent/CN219625205U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207908262U (en) | A kind of adjustable offset stretching clamp | |
| CN200972439Y (en) | Wedge lever-type stretch chuck | |
| CN106586925A (en) | Full-automatic test tube cap tightening instrument | |
| CN216771323U (en) | Reliability detection device | |
| CN219625205U (en) | Clamp for tensile test of compatibility binding line of refrigeration compressor | |
| CN114131561B (en) | Bidirectional dismounting device for inner hexagon screw of construction machinery | |
| CN215525320U (en) | Watchband testing device | |
| CN214173987U (en) | Clamp for isolator circulator test | |
| CN114544154A (en) | Experimental device for door switch detection experiment | |
| CN219757921U (en) | Nut fastener pressure testing device | |
| CN214150176U (en) | Tension tester for wire harness terminal | |
| CN211453709U (en) | Workbench suitable for sound meter filter test | |
| CN103521977A (en) | Simple hook pin | |
| CN210834440U (en) | Stretching clamp of universal tester | |
| CN221840845U (en) | Plastic slab tensile strength detection device | |
| CN215677366U (en) | Torque testing tool | |
| CN218698073U (en) | Laser chip detects anchor clamps | |
| CN211908886U (en) | Vehicle-mounted mobile phone support base | |
| CN218865644U (en) | Bolt combination tensile test frock | |
| CN216246196U (en) | High efficiency auto parts examines a auto parts change over device | |
| CN220136858U (en) | EVA glued membrane tensile testing device | |
| CN219509957U (en) | Locking device | |
| CN220154107U (en) | Clamp structure of steel wire rope core adhesion tensile testing machine | |
| CN214010890U (en) | Mechanical manufacturing pulling force testing device | |
| CN220497635U (en) | Spring steel wire stretching device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |