CN216144603U

CN216144603U - Steel sample detects uses fatigue test equipment

Info

Publication number: CN216144603U
Application number: CN202121976983.4U
Authority: CN
Inventors: 罗海峰; 罗吉平
Original assignee: Ma'anshan City Hengjiu Special Material Co ltd
Current assignee: Ma'anshan City Hengjiu Special Material Co ltd
Priority date: 2021-08-21
Filing date: 2021-08-21
Publication date: 2022-03-29
Anticipated expiration: 2031-08-21

Abstract

The utility model belongs to the technical field of steel detection, in particular to fatigue test equipment for steel sample detection, which aims at solving the problem that the existing fatigue test equipment is inconvenient to carry out tensile or extrusion fatigue tests on steel under different temperature environments in the process of detecting the steel, so that the test data is too single, and provides the following scheme, wherein the fatigue test equipment comprises a base, a box body is fixedly installed at the top of the base through welding, a box door is hinged to one side of the box body, two symmetrical first sliding grooves are respectively arranged on the inner walls of two sides of the box body, two fixing plates are respectively and slidably installed in the four first sliding grooves, mounting seats are respectively and fixedly installed on the two fixing plates through welding, and a first empty groove is arranged in the box body, so that the tensile fatigue tests on the steel under different temperature environments can be conveniently carried out in the process of detecting the steel, and the test data can be more sufficient, simple structure and convenient use.

Description

Steel sample detects uses fatigue test equipment

Technical Field

The utility model relates to the technical field of steel detection, in particular to fatigue test equipment for steel sample detection.

Background

The fatigue test equipment is mainly used for testing the fatigue performance of metal and alloy materials thereof under tension, compression or alternating tension and compression loads, the development of the fatigue test equipment in the future is more humanized, and each step is a first consideration point according to humanization from the conception of the equipment to the design to the production to the sale to a user. Can be better and more conveniently used by people, such as the design of equipment conforming to the ergonomics and the like.

In the prior art, in the process of detecting steel by using fatigue test equipment, the steel is not convenient to be subjected to tensile fatigue test in different temperature environments, so that test data is single, and therefore the fatigue test equipment for detecting the steel sample is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defect that tensile fatigue test is inconvenient to carry out on steel materials under different temperature environments in the process of detecting the steel materials by using fatigue test equipment, so that test data is too single, and provides the fatigue test equipment for detecting the steel material sample.

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

a fatigue test device for steel sample detection comprises a base, wherein a box body is fixedly installed at the top of the base through welding, a box door is hinged to one side of the box body, two symmetrical first chutes are formed in the inner walls of the two sides of the box body, two fixing plates are slidably installed in the four first chutes respectively, mounting seats are fixedly installed on the two fixing plates through welding, first empty grooves are formed in the box body, two symmetrical second empty grooves are formed in the box body, stretching mechanisms are arranged in the two second empty grooves, first through holes are formed in the inner walls of the two sides of the first empty grooves and are communicated with the two second empty grooves respectively, the same first rotating shaft is rotatably installed in the two first through holes, two symmetrical second chutes are formed in the inner wall of one side of the box body, the same connecting rod is slidably installed in the two second chutes, and mounting grooves are formed in the two mounting seats respectively, equal slidable mounting has two clamp splices of symmetry in two mounting grooves, and the mounting hole has all been seted up to the both sides of two mount pads, and the bolt is installed to equal screw thread in four mounting holes, and the first bearing is all installed through welded fastening in one side of four clamp splices, and the inner circle of four first bearings passes through welded fastening with the outside of four bolts respectively to be connected, and when rotating four bolts, four bolts can drive four clamp splice horizontal migration respectively.

Preferably, the stretching mechanism comprises two first bevel gears, inner rings of the two first bevel gears are fixedly connected with the outer side of the first rotating shaft in a welding mode, first through holes are formed in the inner walls of the tops of the two second dead slots, the two first through holes are communicated with the four first sliding grooves respectively, two symmetrical threaded holes are formed in the two fixing plates, the four threaded holes are communicated with the four first sliding grooves respectively, two-way screw rods are installed in the four threaded holes in a threaded mode respectively in a threaded mode, the thread turning directions of the two-way screw rods are opposite, one ends of the two-way screw rods are provided with second bevel gears respectively in a welding mode, and the two second bevel gears are meshed with the two first bevel gears respectively.

Preferably, one end of each of the two connecting rods is provided with a sealing cover through welding and fixing, one inner wall of each of the two sealing covers is provided with a heating plate through welding and fixing, one side of each of the two sealing covers is provided with a clamping groove, a fourth empty groove is formed in the box body, one side of the box body is provided with a third through hole, a second rotating shaft is rotatably arranged in the third through hole, two ends of the second rotating shaft are respectively provided with a hand wheel and a gear through welding and fixing, the inner walls of two sides of the fourth empty groove are respectively provided with first sliding holes, the two first sliding holes are respectively communicated with the two second sliding grooves, the two first sliding holes are internally provided with racks in a sliding mode, the two racks are respectively meshed with the gear, one end of each of the two racks is respectively connected with one side of the two connecting rods through welding and fixing, the two connecting rods are respectively provided with second sliding holes, and the two second sliding holes are respectively matched with the two racks.

Preferably, the inner wall of one side of the first empty groove, the inner walls of the tops of the two second empty grooves, the inner wall of the top of the third empty groove and one side of the box body are fixedly provided with second bearings through welding, and the inner rings of the five second bearings are fixedly connected with the outer sides of the first rotating shaft, the worm, the two-way screw rods and the second rotating shaft through welding respectively.

Preferably, a third empty groove is formed in the base, a motor is fixedly installed on the inner wall of the bottom of the third empty groove through welding, a second through hole is formed in the inner wall of the top of the third empty groove, a worm is rotatably installed in the second through hole, one end of the worm is fixedly connected with an output shaft of the motor through welding, a worm wheel is fixedly sleeved on the outer side of the first rotating shaft, and the worm wheel is meshed with the worm.

Compared with the prior art, the utility model has the advantages that:

1. when this scheme was opened the motor, the worm drove the worm wheel and rotates, and two first bevel gears drive two second bevel gear rotations respectively, and two-way lead screws drive two mounting panels respectively and keep away from each other, and two mounting panels drive two mount pads respectively and keep away from each other to two mount pads can carry out tensile fatigue test to the steel sample.

2. This scheme is when rotating the hand wheel, and the second pivot drives the gear, and the gear drives two rack horizontal migration, and two racks drive two connecting rods respectively and are close to each other, and two connecting rods drive two sealed lids and two heating plates respectively and are close to each other, then start two heating plates to two heating plates can make steel carry out tensile fatigue test under different temperature environment.

The utility model can facilitate the tensile fatigue test of the steel under different temperature environments in the process of detecting the steel, thereby leading the test data to be more sufficient, having simple structure and convenient use.

Drawings

FIG. 1 is a schematic three-dimensional structure diagram of a fatigue testing apparatus for steel sample testing according to the present invention;

FIG. 2 is a schematic structural diagram of a main view of a fatigue testing apparatus for steel sample testing according to the present invention;

FIG. 3 is a schematic structural diagram of a steel sample testing fatigue testing apparatus according to the present invention;

FIG. 4 is an enlarged schematic structural view of part A in FIG. 2 of a fatigue testing apparatus for testing a steel sample according to the present invention;

FIG. 5 is an enlarged schematic structural view of a portion B in FIG. 3 of the fatigue testing apparatus for testing a steel sample according to the present invention;

fig. 6 is a schematic structural diagram of a three-dimensional explosion of a fatigue testing device for detecting a steel sample according to the present invention.

In the figure: the device comprises a base 1, a box body 2, a box door 3, a first sliding groove 4, a fixing plate 5, a mounting seat 6, a clamping block 7, a bolt 8, a third hollow groove 9, a motor 10, a first hollow groove 11, a worm 12, a first rotating shaft 13, a worm wheel 14, a second hollow groove 15, a first bevel gear 16, a second bevel gear 17, a bidirectional screw rod 18, a second sliding groove 19, a connecting rod 20, a sealing cover 21, a heating plate 22, a clamping groove 23, a fourth hollow groove 24, a second rotating shaft 25, a hand wheel 26, a gear 27 and a rack 28.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-6, a fatigue testing device for steel sample detection comprises a base 1, a box body 2 is fixedly installed on the top of the base 1 through welding, a box door 3 is hinged on one side of the box body 2, two symmetrical first chutes 4 are respectively arranged on the inner walls of the two sides of the box body 2, two fixing plates 5 are respectively and slidably installed in the four first chutes 4, mounting seats 6 are respectively fixedly installed on the two fixing plates 5 through welding, a first hollow groove 11 is formed in the box body 2, two symmetrical second hollow grooves 15 are formed in the box body 2, stretching mechanisms are respectively arranged in the two second hollow grooves 15, first through holes are respectively arranged on the inner walls of the two sides of the first hollow groove 11, the two first through holes are respectively communicated with the two second hollow grooves 15, the same first rotating shaft 13 is rotatably installed in the two first through holes, two symmetrical second chutes 19 are arranged on the inner wall of one side of the box body 2, sliding mounting has same connecting rod 20 in two second spouts 19, the mounting groove has all been seted up on two mount pads 6, equal slidable mounting has two clamp splice 7 of symmetry in two mounting grooves, the mounting hole has all been seted up to the both sides of two mount pads 6, bolt 8 has all been installed to equal screw thread in four mounting holes, one side of four clamp splice 7 all installs first bearing through welded fastening, the inner circle of four first bearings is respectively through welded fastening with four bolt 8's the outside and is connected, when rotating four bolt 8, four bolt 8 can drive four clamp splice 7 horizontal migration respectively.

In this embodiment, the stretching mechanism includes two first bevel gears 16, the inner rings of the two first bevel gears 16 are all connected with the outer side of the first rotating shaft 13 by welding, first through holes have been all opened on the top inner walls of the two second empty grooves 15, the two first through holes are respectively communicated with the four first sliding grooves 4, two symmetrical threaded holes have been opened on the two fixing plates 5, the four threaded holes are respectively communicated with the four first sliding grooves 4, two bidirectional screws 18 are respectively installed in the four threaded holes by threads, the thread turning directions of the two bidirectional screws 18 are opposite, one ends of the two bidirectional screws 18 are respectively installed with second bevel gears 17 by welding, the two second bevel gears 17 are respectively engaged with the two first bevel gears 16, when the first rotating shaft 13 rotates, the two first bevel gears 16 can respectively drive the two second bevel gears 17 to rotate.

In this embodiment, one end of each of the two connecting rods 20 is fixedly welded with a sealing cover 21, one inner wall of each of the two sealing covers 21 is fixedly welded with a heating plate 22, one side of each of the two sealing covers 21 is provided with a clamping groove 23, the box body 2 is internally provided with a fourth hollow groove 24, one side of the box body 2 is provided with a third through hole, the third through hole is internally rotatably provided with a second rotating shaft 25, two ends of the second rotating shaft 25 are respectively fixedly welded with a hand wheel 26 and a gear 27, two inner walls of the fourth hollow groove 24 are respectively provided with first sliding holes, the two first sliding holes are respectively communicated with the two second sliding grooves 19, the two first sliding holes are respectively and slidably provided with a rack 28, the two racks 28 are respectively engaged with the gear 27, one end of each of the two racks 28 is respectively fixedly welded with one side of each of the two connecting rods 20, the two connecting rods 20 are respectively provided with second sliding holes, the two second sliding holes are respectively matched with the two racks 28, when the second rotating shaft 25 rotates, the gear 27 can drive the two racks 28 to move horizontally.

In this embodiment, the inner wall of one side of the first empty slot 11, the inner walls of the tops of the two second empty slots 15, the inner wall of the top of the third empty slot 9, and one side of the box body 2 are all provided with second bearings by welding, inner rings of the five second bearings are respectively connected with the outer sides of the first rotating shaft 13, the worm 12, the two bidirectional screw rods 18, and the second rotating shaft 25 by welding, and when the first rotating shaft 13, the worm 12, the two bidirectional screw rods 18, and the second rotating shaft 25 rotate, the five bearings can respectively play a role in stabilizing the rotation of the first rotating shaft 13, the worm 12, the two bidirectional screw rods 18, and the second rotating shaft 25.

In this embodiment, a third empty groove 9 is formed in the base 1, a motor 10 is installed on the inner wall of the bottom of the third empty groove 9 through welding and fixing, a second through hole is formed in the inner wall of the top of the third empty groove 9, a worm 12 is installed in the second through hole in a rotating mode, one end of the worm 12 is connected with the output shaft of the motor 10 through welding and fixing, a worm wheel 14 is fixedly sleeved on the outer side of the first rotating shaft 13, the worm wheel 14 is meshed with the worm 12, and when the motor 10 is started, the worm 12 can drive the worm wheel 14 to rotate.

The working principle is that when the device is used, a steel sample can be placed in two mounting grooves, then the four bolts 8 are rotated, then the four bolts 8 respectively drive the four clamping blocks 7 to horizontally move, the steel sample can be clamped and fixed through the matching of every two of the four clamping blocks 7, then the hand wheel 26 is rotated, the hand wheel 26 drives the second rotating shaft 25 to rotate, the second rotating shaft 25 drives the gear 27 to rotate, the gear 27 drives the two racks 28 to horizontally move, the two racks 28 respectively drive the two connecting rods 20 to approach each other, the two connecting rods 20 respectively drive the two sealing covers 21 to approach each other, when the two sealing covers 21 move to a certain position, the two heating sheets 22 are opened, then the two heating sheets 22 can heat the steel sample, then the motor 10 is opened, the motor 10 drives the worm 12 to rotate, the worm 12 drives the worm wheel 14 to rotate, the worm wheel 14 drives the first rotating shaft 13 to rotate, the first rotating shaft 13 drives the two first bevel gears 16 to rotate, the two first bevel gears 16 respectively drive the two second bevel gears 17 to rotate, the two second bevel gears 17 respectively drive the two-way screw rods 18 to rotate, the two-way screw rods 18 respectively drive the two fixing plates 5 to be away from each other, the two fixing plates 5 respectively drive the two mounting seats 6 to be away from each other, so that the two mounting seats 6 can generate tension on a steel sample, when the steel sample is stretched for a certain time, the hand 26 can drive the second rotating shaft 25 to rotate through reversing the hand wheel 26, the second rotating shaft 25 drives the gear 27 to rotate, the gear 27 drives the two racks 28 to horizontally move, the two racks 28 respectively drive the two connecting rods 20 to be away from each other, the two connecting rods 20 respectively drive the two sealing covers 21 to be away from each other, when the two sealing covers 21 are moved to a certain position, so that surface cracks, surface tension of the steel sample, and the steel sample can be observed, The tensile time and heating temperature were recorded to analyze the fatigue properties of the steel samples.

Example two

The difference from the first embodiment is that: the top of the base 1 is fixedly provided with a box body 2 through welding, one side of the box body 2 is hinged with a box door 3, the inner walls of two sides of the box body 2 are respectively provided with two symmetrical first chutes 4, two fixing plates 5 are respectively and slidably arranged in the four first chutes 4, the two fixing plates 5 are respectively and fixedly provided with a mounting seat 6 through welding, the top of the box body 2 is provided with a mounting opening, a heat radiation fan is fixedly arranged in the mounting opening through bolts, a first hollow groove 11 is arranged in the box body 2, two symmetrical second hollow grooves 15 are arranged in the box body 2, a stretching mechanism is arranged in the two second hollow grooves 15, the inner walls of two sides of the first hollow groove 11 are respectively provided with a first through hole, the two first through holes are respectively communicated with the two second hollow grooves 15, the same first rotating shaft 13 is rotatably arranged in the two first through holes, the inner wall of one side of the box body 2 is provided with two symmetrical second chutes 19, sliding mounting has same connecting rod 20 in two second spouts 19, the mounting groove has all been seted up on two mount pads 6, equal slidable mounting has two clamp splice 7 of symmetry in two mounting grooves, the mounting hole has all been seted up to the both sides of two mount pads 6, bolt 8 has all been installed to equal screw thread in four mounting holes, one side of four clamp splice 7 all installs first bearing through welded fastening, the inner circle of four first bearings is respectively through welded fastening with four bolt 8's the outside and is connected, when rotating four bolt 8, four bolt 8 can drive four clamp splice 7 horizontal migration respectively.

The working principle is that when the device is used, a steel sample can be placed in two mounting grooves, then the four bolts 8 are rotated, then the four bolts 8 respectively drive the four clamping blocks 7 to horizontally move, the steel sample can be clamped and fixed through the matching of every two of the four clamping blocks 7, then the hand wheel 26 is rotated, the hand wheel 26 drives the second rotating shaft 25 to rotate, the second rotating shaft 25 drives the gear 27 to rotate, the gear 27 drives the two racks 28 to horizontally move, the two racks 28 respectively drive the two connecting rods 20 to approach each other, the two connecting rods 20 respectively drive the two sealing covers 21 to approach each other, when the two sealing covers 21 move to a certain position, the two heating sheets 22 are opened, then the two heating sheets 22 can heat the steel sample, then the motor 10 is opened, the motor 10 drives the worm 12 to rotate, the worm 12 drives the worm wheel 14 to rotate, the worm wheel 14 drives the first rotating shaft 13 to rotate, the first rotating shaft 13 drives the two first bevel gears 16 to rotate, the two first bevel gears 16 respectively drive the two second bevel gears 17 to rotate, the two second bevel gears 17 respectively drive the two-way screw rods 18 to rotate, the two-way screw rods 18 respectively drive the two fixing plates 5 to be away from each other, the two fixing plates 5 respectively drive the two mounting seats 6 to be away from each other, so that the two mounting seats 6 can generate tension on a steel sample, when the steel sample is stretched for a certain time, the hand wheel 26 can drive the second rotating shaft 25 to rotate through reversing the hand wheel 26, the second rotating shaft 25 drives the gear 27 to rotate, the gear 27 drives the two racks 28 to horizontally move, the two racks 28 respectively drive the two connecting rods 20 to be away from each other, the two connecting rods 20 respectively drive the two sealing covers 21 to be away from each other, when the two sealing covers 21 are moved to a certain position, the heat in the box body 2 can be rapidly discharged through the suction force generated by the heat radiating fan by opening the heat radiating fan, the steel sample is conveniently observed by workers, and then the fatigue performance of the steel sample is analyzed by observing the surface cracks of the steel sample, recording the stretching time, the heating temperature and the tensile force.

The rest is the same as the first embodiment.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. A fatigue test device for steel sample detection comprises a base (1) and is characterized in that a box body (2) is fixedly installed at the top of the base (1), a box door (3) is hinged to one side of the box body (2), two symmetrical first sliding grooves (4) are formed in the inner walls of the two sides of the box body (2), two fixing plates (5) are respectively installed in the four first sliding grooves (4) in a sliding mode, installation seats (6) are respectively installed on the two fixing plates (5), a first hollow groove (11) is formed in the box body (2), two symmetrical second hollow grooves (15) are formed in the box body (2), a stretching mechanism is arranged in each of the two second hollow grooves (15), first through holes are formed in the inner walls of the two sides of the first hollow groove (11), the two first through holes are respectively communicated with the two second hollow grooves (15), the same first rotating shaft (13) is rotatably installed in the two first through holes, two symmetrical second chutes (19) are formed in the inner wall of one side of the box body (2), and the same connecting rod (20) is installed in the two second chutes (19) in a sliding mode.

2. The fatigue test apparatus for steel sample testing according to claim 1, the stretching mechanism comprises two first bevel gears (16), inner rings of the two first bevel gears (16) are fixedly connected with the outer side of a first rotating shaft (13), first through holes are formed in the inner walls of the tops of two second dead slots (15), the two first through holes are communicated with four first sliding grooves (4) respectively, two symmetrical threaded holes are formed in two fixing plates (5), the four threaded holes are communicated with the four first sliding grooves (4) respectively, two bidirectional screw rods (18) are installed in the four threaded holes in a threaded mode respectively, the thread turning directions of the two bidirectional screw rods (18) are opposite, two second bevel gears (17) are fixedly installed at one ends of the two bidirectional screw rods (18), and the two second bevel gears (17) are meshed with the two first bevel gears (16) respectively.

3. The steel sample testing fatigue testing device according to claim 2, wherein two mounting seats (6) are provided with mounting grooves, two symmetrical clamping blocks (7) are slidably mounted in the two mounting grooves, mounting holes are formed in two sides of the two mounting seats (6), bolts (8) are threadedly mounted in the four mounting holes, first bearings are fixedly mounted on one sides of the four clamping blocks (7), and inner rings of the four first bearings are fixedly connected with outer sides of the four bolts (8).

4. The steel sample testing fatigue testing device according to claim 3, wherein one end of each of the two connecting rods (20) is fixedly provided with a sealing cover (21), one side of each of the two sealing covers (21) is fixedly provided with a heating plate (22), one side of each of the two sealing covers (21) is provided with a clamping groove (23), the box body (2) is internally provided with a fourth empty groove (24), one side of the box body (2) is provided with a third through hole, the third through hole is internally and rotatably provided with a second rotating shaft (25), two ends of the second rotating shaft (25) are respectively and fixedly provided with a hand wheel (26) and a gear (27), two side inner walls of the fourth empty groove (24) are respectively provided with first sliding holes, the two first sliding holes are respectively communicated with the two second sliding grooves (19), the two first sliding holes are respectively and slidably provided with a rack (28), the two racks (28) are respectively engaged with the gear (27), one ends of the two racks (28) are fixedly connected with one sides of the two connecting rods (20) respectively, second sliding holes are formed in the two connecting rods (20), and the two second sliding holes are matched with the two racks (28) respectively.

5. The steel sample testing fatigue testing device according to claim 4, wherein a third hollow groove (9) is formed in the base (1), a motor (10) is fixedly mounted on the inner wall of the bottom of the third hollow groove (9), a second through hole is formed in the inner wall of the top of the third hollow groove (9), a worm (12) is rotatably mounted in the second through hole, one end of the worm (12) is fixedly connected with an output shaft of the motor (10), a worm wheel (14) is fixedly sleeved on the outer side of the first rotating shaft (13), and the worm wheel (14) is meshed with the worm (12).

6. The steel sample testing fatigue testing device according to claim 5, wherein the inner wall of one side of the first empty groove (11), the inner walls of the tops of the two second empty grooves (15), the inner wall of the top of the third empty groove (9) and one side of the box body (2) are fixedly provided with second bearings, and the inner rings of the five second bearings are fixedly connected with the outer sides of the first rotating shaft (13), the worm (12), the two bidirectional screw rods (18) and the second rotating shaft (25) respectively.