CN216208081U - Fatigue tension and compression test device under high and low temperature environment - Google Patents
Fatigue tension and compression test device under high and low temperature environment Download PDFInfo
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- CN216208081U CN216208081U CN202122723983.XU CN202122723983U CN216208081U CN 216208081 U CN216208081 U CN 216208081U CN 202122723983 U CN202122723983 U CN 202122723983U CN 216208081 U CN216208081 U CN 216208081U
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Abstract
The utility model discloses a fatigue tension and compression test device in a high-temperature and low-temperature environment, and relates to the technical field of test devices. The utility model comprises an installation component, a beam component, a fixing component, a tension and compression component and a temperature regulation component; the beam assembly is positioned on the mounting assembly and is in sliding fit with the mounting assembly; the fixing component is positioned on the mounting component and is in threaded rotation fit with the mounting component; the tension and compression assembly is positioned at the bottom end of the beam assembly and is in threaded rotation fit with the beam assembly; the temperature adjusting component is positioned on one side of the mounting component and clamped between the mounting component and the temperature adjusting component. According to the utility model, through the sliding fit of the sliding groove at the bottom of the temperature control box and the sliding rail at the top of the support frame, the temperature control box slides to the mounting assembly, the temperature control box is closed, and the U-shaped holes at the two ends of the temperature control box are sealed by the sealing piece, so that the fatigue tension-compression test of the test piece at different temperatures is realized; the test piece to be tested is placed on the fixing plate frame, and the driving machine is started, so that the two sliding plates can slide relatively on the fixing plate frame, and the test piece to be tested is fixed.
Description
Technical Field
The utility model belongs to the technical field of test devices, and particularly relates to a fatigue tension and compression test device in a high-temperature and low-temperature environment.
Background
The electro-hydraulic dynamic fatigue testing machine is a device for testing the dynamic mechanics of materials and parts; the electrohydraulic dynamic fatigue tester is widely applied to dynamic mechanical property tests of materials and parts, including tests of tensile, compression, low-cycle and high-cycle fatigue and the like of the materials and the parts; in addition, the electro-hydraulic dynamic fatigue testing machine is provided with a high-low temperature box to carry out high-low temperature mechanical test; the development process adopts a 'unitized, modularized and standardized' development concept, absorbs the international advanced electro-hydraulic servo dynamic testing machine technology, and is designed by combining the actual use condition of domestic users.
However, the fixing of the current electro-hydraulic dynamic fatigue testing machine to the piece to be tested is complex, when different pieces to be tested are tested, the fixing part needs to be replaced according to different pieces to be tested, so that the fixation of different pieces to be tested is met, the working efficiency is low, and the fatigue tension and compression tests at different temperatures are difficult to be performed by the current electro-hydraulic dynamic fatigue testing machine. Therefore, a fatigue tension-compression test device under high and low temperature environments is designed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fatigue tension and compression test device under high and low temperature environments, which solves the problems that the existing electric liquid type dynamic fatigue testing machine is complicated in fixing a to-be-tested piece, fixing pieces need to be replaced according to different to-be-tested pieces when different to-be-tested pieces are tested, the working efficiency is low, and the existing electric liquid type dynamic fatigue testing machine is difficult to perform fatigue tension and compression tests at different temperatures through the design of an installation component, a cross beam component, a fixing component, a tension and compression component and a temperature adjusting component.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a fatigue tension and compression test device in a high-temperature and low-temperature environment, which comprises a mounting assembly, a beam assembly, a fixing assembly, a tension and compression assembly and a temperature regulating assembly; the beam assembly is positioned on the mounting assembly and is in sliding fit with the mounting assembly; the fixing component is positioned on the mounting component and is in threaded rotation fit with the mounting component; the tension and compression assembly is positioned at the bottom end of the beam assembly and is in threaded rotation fit with the beam assembly; the temperature adjusting component is positioned on one side of the mounting component and is clamped between the mounting component and the temperature adjusting component;
the fixing component comprises a fixing plate frame; the tops of the fixed plate frames are symmetrically and slidably connected with sliding plates; the inner part of the fixed plate frame is rotatably connected with a bidirectional screw rod; the bidirectional screw rod is in threaded rotation fit with the sliding plate;
a tripod is fixed on one side of the sliding plate; the first rotating plate is hinged and matched with the peripheral side surface of the tripod; the first rotating plate is hinged and matched with a second rotating plate; one end of the second rotating plate is hinged and matched with a triangular plate; an elastic spring is fixed between the second rotating plate and the first rotating plate;
the tension and compression assembly comprises a circular plate; the bottom end of the circular plate frame is hinged and matched with a plurality of hook pressing plates; a telescopic cylinder is fixed inside the circular plate frame; a movable column is fixed at the bottom end of the telescopic cylinder; a plurality of hinge rods are hinged and matched on the peripheral side surface of the moving column; one end of the hinge rod is in hinge fit with one side of the hook pressing plate.
Further, the mounting assembly comprises a console; two sliding rods are symmetrically fixed at the top of the console; two lifting oil cylinders are symmetrically fixed on the top of the control console; a first fixed seat is fixed at the top of the console; two first ear plate clamping pieces are symmetrically fixed on the peripheral side surface of the first fixed seat; a first threaded hole is formed in the top of the first fixing seat.
Further, the beam assembly comprises a movable beam; two sliding holes are symmetrically formed in the top of the movable cross beam; the slide hole is in sliding fit with the slide rod.
A second fixed seat is fixed at the bottom end of the movable cross beam; two second ear plate clamping pieces are symmetrically fixed on the peripheral side surface of the second fixed seat; and a second threaded hole is formed in the bottom of the second fixed seat.
Furthermore, a driving machine is fixed at the bottom of the fixing plate frame; a driving gear is fixed on the output shaft of the driving machine; two first clamping and connecting rods are symmetrically fixed at the bottom of the fixing plate frame; a first threaded column is fixed at the bottom of the fixing plate frame; the first clamping and connecting rod is clamped with the first ear plate clamping piece; the first threaded hole is in threaded rotation fit with the first threaded column.
One end of the bidirectional screw rod is fixed with a rotating gear; the driving gear is meshed with the rotating gear.
Furthermore, a second clamping and connecting rod is symmetrically fixed at the top end of the circular plate frame; a second threaded column is fixed at the top end of the circular plate frame; the second clamping and connecting rod is clamped with the second ear plate clamping piece; and the second threaded column is in threaded rotation fit with the second threaded hole.
Further, the temperature adjusting component comprises a supporting frame; the support frame is fixedly connected with one side of the console through a fixing bolt; the top of the supporting frame is in sliding fit with a temperature control box; u-shaped holes are formed in two ends of the temperature control box; the U-shaped hole is in sliding fit with the first fixed seat; the U-shaped hole is in sliding fit with the second fixing seat.
The utility model has the following beneficial effects:
1. according to the utility model, by utilizing the sliding fit between the sliding groove at the bottom of the temperature control box and the sliding rail at the top of the support frame and the sliding fit between the U-shaped hole and the first fixing seat and the second fixing seat, the temperature control box slides to the mounting assembly, the temperature control box is closed, and the U-shaped holes at the two ends of the temperature control box are sealed by the sealing element, so that the fatigue tension-compression tests of the test piece at different temperatures are realized.
2. According to the utility model, the to-be-tested piece is placed on the fixed plate frame, and the driving machine is started, so that the two sliding plates slide relatively on the fixed plate frame, the fixation of different to-be-tested pieces is met, and the replacement of the fixing piece is avoided.
3. The utility model utilizes the movement of the movable column to drive the hinge rod to rotate at one side of the hook pressing plate and finally drive the hook pressing plate to expand and contract at the circular plate frame, thereby realizing the fatigue tension-compression test of the piece to be tested.
Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a fatigue tension-compression test device in a high-temperature and low-temperature environment.
Fig. 2 is a schematic structural view of the mounting assembly.
Fig. 3 is an enlarged schematic view of a point a in fig. 2.
Fig. 4 is a schematic structural view of the beam assembly.
Fig. 5 is a schematic structural view of the fixing assembly.
Fig. 6 is a front view of the fixing assembly.
Fig. 7 is a schematic structural diagram of the tension-compression assembly.
Fig. 8 is a schematic view of a temperature regulating assembly.
In the drawings, the components represented by the respective reference numerals are listed below:
1-mounting component, 101-console, 102-sliding rod, 103-lifting cylinder, 104-first fixed seat, 105-first ear plate fastener, 2-beam component, 201-moving beam, 202-sliding hole, 203-second fixed seat, 204-second ear plate fastener, 3-fixing component, 301-fixing plate frame, 302-sliding plate, 303-bidirectional screw rod, 304-tripod, 305-first rotating plate, 306-second rotating plate, 307-triangular plate, 308-elastic spring, 309-driving machine, 310-driving gear, 311-first clamping connecting rod, 312-first threaded column, 313-rotating gear, 4-tension and compression component, 401-circular plate frame, 402-hook pressure plate, 403-telescopic cylinder, 404-moving column, 405-hinge rod, 406-second clamping rod, 407-second threaded column, 5-temperature adjusting component, 501-support frame, 502-temperature control box, 503-U-shaped hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the utility model is a fatigue tension and compression test device in high and low temperature environment, comprising a mounting assembly 1, a beam assembly 2, a fixing assembly 3, a tension and compression assembly 4 and a temperature adjusting assembly 5; the beam assembly 2 is positioned on the mounting assembly 1 and is in sliding fit with the mounting assembly 1; the fixing component 3 is positioned on the mounting component 1 and is in threaded rotation fit with the mounting component 1; the tension and compression assembly 4 is positioned at the bottom end of the beam assembly 2 and is in threaded rotation fit with the bottom end of the beam assembly 2; the temperature adjusting component 5 is positioned on one side of the mounting component 1 and is clamped between the two;
the fixing component 3 comprises a fixing plate frame 301; the top of the fixed plate frame 301 is symmetrically connected with sliding plates 302 in a sliding manner; a bidirectional screw rod 303 is rotatably connected inside the fixed plate frame 301; the bidirectional screw rod 303 is in threaded rotation fit with the sliding plate 302;
a tripod 304 is fixed on one side of the sliding plate 302; a first rotating plate 305 is hinged and matched on the peripheral side surface of the tripod 304; the first rotating plate 305 is hinged with a second rotating plate 306; one end of the second rotating plate 306 is hinged and matched with a triangular plate 307; an elastic spring 308 is fixed between the second rotating plate 306 and the first rotating plate 305;
the tension and compression assembly 4 comprises a circular plate frame 401; the bottom end of the circular plate frame 401 is hinged and matched with a plurality of hook pressing plates 402; a telescopic cylinder 403 is fixed inside the circular plate frame 401; a movable column 404 is fixed at the bottom end of the telescopic cylinder 403; a plurality of hinge rods 405 are hinged and matched on the peripheral side surface of the moving column 404; one end of the hinge rod 405 is hinged and matched with one side of the hook pressing plate 402; the test piece to be tested is placed on the fixed plate frame 301, the driving machine 309 is started to drive the two-way screw rod 303 to rotate, so that the two symmetrical sliding plates 302 slide relatively on the fixed plate frame 301, the first rotating plate 305 is in hinged fit with the second rotating plate 306, one end of the second rotating plate 306 is in hinged fit with the triangular plate 307, under the action of the elastic spring 308, the two triangular plates 307 in the fixed assembly 3 are in contact with the test piece to be tested, the fixation of the test piece to be tested is met, the replacement of the fixing piece is avoided, when the test piece to be tested is fixed, the two lifting oil cylinders 103 are started to drive the beam assembly 2 to slide on the mounting assembly 1, the telescopic air cylinder 403 is started to drive the movable column 404 to move along with the sliding of the beam assembly 2 on the mounting assembly 1, and the hinged rods 405 are hinged and matched on the peripheral side surface of the movable column 404, so that when the movable column 404 moves, the hinged rods 405 are driven to rotate on one side of the hook pressing plate 402, and finally, the hook pressing plate 402 is driven to expand and stretch out and draw back on the circular plate frame 401, so that the fatigue tension-compression test of the piece to be tested is realized.
Referring to fig. 1-8, the mounting assembly 1 includes a console 101; two sliding rods 102 are symmetrically fixed on the top of the console 101; two lifting oil cylinders 103 are symmetrically fixed on the top of the console 101; a first fixed seat 104 is fixed on the top of the console 101; two first ear plate clamping pieces 105 are symmetrically fixed on the peripheral side surface of the first fixed seat 104; a first threaded hole is formed in the top of the first fixed seat 104; when the test piece needs to be subjected to a fatigue tension-compression test, the two lifting oil cylinders 103 are started to drive the beam assembly 2 to slide up and down on the mounting assembly 1.
Referring to fig. 1-4, the beam assembly 2 includes a movable beam 201; two sliding holes 202 are symmetrically formed in the top of the movable beam 201; the slide hole 202 is in sliding fit with the slide rod 102;
a second fixed seat 203 is fixed at the bottom end of the movable beam 201; two second ear plate clamping pieces 204 are symmetrically fixed on the peripheral side surface of the second fixed seat 203; a second threaded hole is formed in the bottom of the second fixed seat 203; the beam assembly 2 slides up and down on the mounting assembly 1 through the sliding fit between the slide hole 202 and the slide rod 102.
Referring to fig. 1-6, a driving machine 309 is fixed at the bottom of the fixing plate frame 301; a driving gear 310 is fixed on an output shaft of the driving machine 309; two first clamping connection rods 311 are symmetrically fixed at the bottom of the fixing plate frame 301; the bottom of the fixing plate frame 301 is fixed with a first threaded column 312; the first clamping connection rod 311 is clamped with the first ear plate clamping piece 105; the first threaded hole is in threaded rotational engagement with the first threaded post 312;
one end of the bidirectional screw rod 303 is fixed with a rotating gear 313; the driving gear 310 is engaged with the rotating gear 313; the first clamping rod 311 is clamped with the first ear plate clamping piece 105, the first threaded hole is matched with the first threaded column 312 in a threaded rotating mode, the fixed component 3 is connected with the installation component 1, the driving machine 309 is started, the driving gear 310 is driven to rotate, and finally the two symmetrical sliding plates 302 are driven to slide on the fixed plate frame 301 relatively.
Referring to fig. 1-7, a second clamping bar 406 is symmetrically fixed at the top end of the circular plate frame 401; a second threaded column 407 is fixed at the top end of the circular plate frame 401; the second clamping connection rod 406 is clamped with the second ear plate clamping piece 204; the second threaded post 407 is in threaded rotational engagement with the second threaded hole; and clamping the second clamping rod 406 and the second ear plate clamping piece 204, and enabling the extrusion assembly 4 to be connected to the lower end of the beam assembly 2 through the threaded rotation fit between the second threaded column 407 and the second threaded hole.
Referring to fig. 1 and 5, the temperature adjusting assembly 5 includes a supporting frame 501; the support frame 501 is fixedly connected with one side of the console 101 through a fixing bolt; the top of the support frame 501 is in sliding fit with a temperature control box 502; u-shaped holes 503 are formed at two ends of the temperature control box 502; the U-shaped hole 503 is slidably engaged with the first fixing seat 104; the U-shaped hole 503 is in sliding fit with the second fixed seat 203; with fixing bolt with support frame 501 and control cabinet 101 one side fixed connection, through sliding fit between the spout of accuse temperature case 502 bottom and the slide rail of support frame 501 top to and sliding fit between U shape hole 503 and first fixing base 104 and the second fixing base 203, make accuse temperature case 502 slide to installation component 1 on, close accuse temperature case 502, and it is sealed with the U shape hole at accuse temperature case 502 both ends with the sealing member, the fatigue of test piece under the different temperatures is drawn and is pressed the experiment.
The working principle of the embodiment is as follows:
the test piece to be tested is placed on the fixed plate rack 301, a driving machine 309 is started, two symmetrical sliding plates 302 slide on the fixed plate rack 301 relatively, the first rotating plate 305 is in hinged fit with the second rotating plate 306, one end of the second rotating plate 306 is in hinged fit with the triangular plate 307, under the action of the elastic spring 308, when two triangular plates 307 in the fixed assembly 3 are in contact with the test piece to be tested, the test piece to be tested is fixed, the replacement of the fixing piece is avoided, when the test piece to be tested is fixed, the two lifting oil cylinders 103 are started, the cross beam assembly 2 is driven to slide on the installation assembly 1, the telescopic air cylinder 403 is started along with the sliding of the cross beam assembly 2 on the installation assembly 1, the movable column 404 is moved, and the hinged rods 405 are hinged and matched with the peripheral side surfaces of the movable column 404, so when the movable column 404 moves, the hinged rods 405 are driven to rotate on one side of the hook pressing plate 402, and finally the hook pressing plate 402 is driven to expand and stretch in a circular shape 401, realized the tired tension and compression test to the test piece that awaits measuring, when the high low temperature fatigue tension and compression test of waiting to test the piece needs to be carried out, sliding fit between the spout and the strut 501 top slide rail of accuse temperature case 502 bottom will pass through, and sliding fit between U-shaped hole 503 and first fixing base 104 and the second fixing base 203, make accuse temperature case 502 slide to installation component 1 on, close accuse temperature case 502, and it is sealed with the U-shaped hole at accuse temperature case 502 both ends with the sealing member, the tired tension and compression test of test piece under the different temperatures has been realized.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A fatigue tension and compression test device in a high and low temperature environment comprises a mounting assembly (1), a beam assembly (2), a fixing assembly (3), a tension and compression assembly (4) and a temperature adjusting assembly (5); the method is characterized in that: the beam assembly (2) is positioned on the mounting assembly (1) and is in sliding fit with the mounting assembly; the fixing component (3) is positioned on the mounting component (1) and is in threaded rotation fit with the mounting component (1); the tension and compression assembly (4) is positioned at the bottom end of the beam assembly (2) and is in threaded rotation fit with the beam assembly; the temperature adjusting component (5) is positioned on one side of the mounting component (1) and is clamped between the mounting component and the temperature adjusting component;
the fixing component (3) comprises a fixing plate frame (301); the tops of the fixed plate frames (301) are symmetrically connected with sliding plates (302) in a sliding manner; a bidirectional screw rod (303) is rotatably connected inside the fixed plate frame (301); the bidirectional screw rod (303) is in threaded rotation fit with the sliding plate (302);
a tripod (304) is fixed on one side of the sliding plate (302); a first rotating plate (305) is hinged and matched with the peripheral side surface of the tripod (304); the first rotating plate (305) is hinged and matched with a second rotating plate (306); one end of the second rotating plate (306) is hinged and matched with a triangular plate (307); an elastic spring (308) is fixed between the second rotating plate (306) and the first rotating plate (305);
the pulling and pressing assembly (4) comprises a circular plate frame (401); the bottom end of the circular plate frame (401) is hinged and matched with a plurality of hook pressing plates (402); a telescopic cylinder (403) is fixed inside the circular plate frame (401); a movable column (404) is fixed at the bottom end of the telescopic cylinder (403); a plurality of hinge rods (405) are hinged and matched on the peripheral side surface of the moving column (404); one end of the hinge rod (405) is in hinge fit with one side of the hook pressing plate (402).
2. The fatigue tension and compression test device in the high and low temperature environment according to claim 1, wherein the mounting assembly (1) comprises a control console (101); two sliding rods (102) are symmetrically fixed at the top of the console (101); two lifting oil cylinders (103) are symmetrically fixed at the top of the control console (101); a first fixed seat (104) is fixed at the top of the console (101); two first ear plate clamping pieces (105) are symmetrically fixed on the peripheral side surface of the first fixed seat (104); the top of the first fixed seat (104) is provided with a first threaded hole.
3. The fatigue tension and compression test device in the high and low temperature environment according to claim 2, wherein the beam assembly (2) comprises a movable beam (201); two sliding holes (202) are symmetrically formed in the top of the movable cross beam (201); the sliding hole (202) is in sliding fit with the sliding rod (102);
a second fixed seat (203) is fixed at the bottom end of the movable cross beam (201); two second ear plate clamping pieces (204) are symmetrically fixed on the peripheral side surface of the second fixed seat (203); and a second threaded hole is formed in the bottom of the second fixed seat (203).
4. The fatigue tension and compression test device under the high and low temperature environment as claimed in claim 3, wherein a driving machine (309) is fixed at the bottom of the fixed plate frame (301); a driving gear (310) is fixed on an output shaft of the driving machine (309); two first clamping connection rods (311) are symmetrically fixed at the bottom of the fixing plate frame (301); a first threaded column (312) is fixed at the bottom of the fixing plate frame (301); the first clamping and connecting rod (311) is clamped and connected with the first ear plate clamping piece (105); the first threaded hole is in threaded rotation fit with the first threaded post (312);
one end of the bidirectional screw rod (303) is fixed with a rotating gear (313); the driving gear (310) is meshed with the rotating gear (313).
5. The fatigue tension and compression test device under the high and low temperature environment as claimed in claim 4, wherein the top end of the circular plate frame (401) is symmetrically fixed with a second clamping rod (406); a second threaded column (407) is fixed at the top end of the circular plate frame (401); the second clamping and connecting rod (406) is clamped with the second ear plate clamping piece (204); the second threaded post (407) is in threaded rotational engagement with the second threaded bore.
6. The fatigue tension and compression test device in the high and low temperature environment as claimed in claim 5, wherein the temperature adjusting component (5) comprises a support frame (501); the support frame (501) is fixedly connected with one side of the console (101) through a fixing bolt; the top of the support frame (501) is in sliding fit with a temperature control box (502); two ends of the temperature control box (502) are provided with U-shaped holes (503); the U-shaped hole (503) is in sliding fit with the first fixed seat (104); the U-shaped hole (503) is in sliding fit with the second fixed seat (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122723983.XU CN216208081U (en) | 2021-11-09 | 2021-11-09 | Fatigue tension and compression test device under high and low temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122723983.XU CN216208081U (en) | 2021-11-09 | 2021-11-09 | Fatigue tension and compression test device under high and low temperature environment |
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| Publication Number | Publication Date |
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| CN216208081U true CN216208081U (en) | 2022-04-05 |
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| CN202122723983.XU Active CN216208081U (en) | 2021-11-09 | 2021-11-09 | Fatigue tension and compression test device under high and low temperature environment |
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| CN (1) | CN216208081U (en) |
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