CN212514052U - Four-point bending test machine - Google Patents
Four-point bending test machine Download PDFInfo
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- CN212514052U CN212514052U CN202021220733.3U CN202021220733U CN212514052U CN 212514052 U CN212514052 U CN 212514052U CN 202021220733 U CN202021220733 U CN 202021220733U CN 212514052 U CN212514052 U CN 212514052U
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Abstract
The utility model discloses a four-point bending test machine, which comprises a base, a top plate, a bearing seat and a placing plate, wherein the bearing seat is fixed on the top of the base, the placing plate is fixed on the top of the bearing seat, the top of the base is arranged on the top of the bearing seat and is provided with the top plate, a lifting mechanism capable of vertically lifting and extruding a device is arranged between the top plate and the base, the bottom of the top plate is arranged in the middle of the lifting device and is provided with a linkage mechanism capable of horizontally moving the extruding device, the bottom of the linkage mechanism is in transmission connection with an extruding mechanism capable of extruding and bending tests, the lifting mechanism, the extruding mechanism and the linkage mechanism are in transmission connection, the four-point bending test machine realizes the adjustment aiming at the detection objects with different heights under the cooperation of the lifting mechanism and the extruding mechanism, and realizes the adjustment in the detection time of the objects with different, the adjustment is more convenient compared with the existing device.
Description
Technical Field
The utility model relates to a four-point bending test technical field specifically is a four-point bending test machine.
Background
The four-point bending is to place a sample on two stress points with a certain distance, two points are arranged above the stress points, the upper half part of a four-point bending fixture applies pressure to the sample, the upper point and the lower point are respectively the stress point and the stress point, and the process is called four-point bending experiment and is used for detecting the maximum strength, the elastic modulus, the tensile strength, the fixed-load elongation, the elongation at break, the yield strength and the like of a non-metal material, the yield strength, the non-proportional strength, the total elongation strength, the tensile (compressive) strength, the elongation and the like of a metal material.
The existing four-point bending test device is complex in operation, and working efficiency is affected after long-time use, so that a four-point bending test machine is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can carry out effectual four-point bending test machine of adjusting to the article that not equidimension needs to detect to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the four-point bending test machine comprises a base, a top plate, a bearing seat and a storage plate, wherein the bearing seat is fixed at the top of the base, the storage plate is fixed at the top of the bearing seat, the top of the base is positioned at the top of the bearing seat and is provided with the top plate, a lifting mechanism capable of vertically lifting and extruding a device is arranged between the top plate and the base, a linkage mechanism capable of horizontally moving the extruding device is arranged in the middle of the lifting device at the bottom of the top plate, the bottom of the linkage mechanism is in transmission connection with an extruding mechanism capable of extruding and bending tests, and the lifting mechanism, the extruding mechanism and the linkage mechanism are in transmission.
Preferably, elevating system includes packaging shell, first motor, first threaded rod, vertical slide bar, elevator and horizontal slide bar, the packaging shell is fixed in roof top one side, and the inside fixed mounting of packaging shell has the motor, and the motor output passes the roof and is fixed with first threaded rod, the one end that the roof was kept away from to first threaded rod is rotated with the base and is connected, the symmetry of the position that the base top corresponds first threaded rod rotates and is connected with vertical slide bar, and the one end that the base was kept away from to vertical slide bar rotates with the roof and is connected, be equipped with horizontal slide bar between first threaded rod and the vertical slide bar, and the horizontal slide bar both sides all are fixed with the elevator, horizontal slide bar one side elevator is sliding connection with vertical slide bar, and horizontal slide bar opposite side elevator is connected for the meshing with the threaded rod.
Preferably, the linkage mechanism comprises a second motor, a connecting block, a fixing column, a connecting column, an auxiliary telescopic rod, a connecting plate, a threaded sleeve, a second threaded rod and a sliding sleeve, the connecting block is fixedly sleeved on the surface of the middle part of a horizontal sliding rod of the lifting mechanism, a connecting column is fixed on the top of the connecting block, a fixing column is inserted on the top of the connecting column in a sliding manner, one end of the fixing column far away from the connecting column is fixedly connected with the top plate, a sliding sleeve is sleeved on the surface of the connecting column in a sliding manner, connecting plates are symmetrically fixed on two sides of the surface of the sliding sleeve, a second motor is fixedly installed inside the connecting block, and a threaded sleeve is fixed at the output end of the second motor, the threaded sleeve penetrates through the connecting block to be meshed and connected with a second threaded rod, the top of the second threaded rod is fixedly connected with a connecting plate at one side of the sliding sleeve, and an auxiliary telescopic rod is fixed at the bottom of the connecting plate at the other side of the sliding sleeve, and the bottom of the auxiliary telescopic rod is fixedly connected with the surface of the top of the connecting block.
Preferably, the extrusion mechanism comprises a moving block, an electric telescopic rod, a fixed plate and a four-point extrusion device, the moving block is symmetrically and slidably sleeved on the surface of the horizontal sliding rod of the lifting mechanism, the electric telescopic rod is fixed at the bottom of the moving block, the fixed plate is fixed at one end, away from the moving block, of the electric telescopic rod, and the four-point extrusion device is fixedly installed at the bottom of the fixed plate.
Preferably, the top of the connecting block is rotatably connected with one end of a connecting rod through a rotating shaft, and the other end of the connecting rod is rotatably connected with a sliding sleeve of the linkage mechanism through the rotating shaft.
Preferably, the fixing column is symmetrically provided with sliding chutes inside, the two sides of the top of the connecting column are symmetrically fixed with fixing blocks, and the fixing blocks are in sliding connection with the sliding chutes.
Compared with the prior art, the beneficial effects of the utility model are that:
when the device is used, an object to be detected is placed on the object placing plate, the first motor is started, the first motor drives the first threaded rod to rotate, the horizontal sliding rod is enabled to move in the vertical direction under the action of the lifting block, after the height is adjusted to be proper, the second motor is started, under the meshing connection action of the threaded sleeve and the second threaded rod, the second threaded rod drives the sliding sleeve to move up and down on the surface of the connecting column, the distance between the two extrusion mechanisms is gradually reduced along with the rising of the sliding sleeve, so that the adjustment and the detection are realized aiming at the detected objects with different widths, when the four-point extrusion device is aligned with the object to be detected, the electric telescopic rod is started, the four-point extrusion device is enabled to be attached to the detected object and continuously extruded, and the four-point bending test machine realizes the adjustment aiming at the detected objects with different heights under the matching action of the lifting mechanism and the extrusion, under the cooperation of the linkage mechanism and the extrusion mechanism, the adjustment of objects with different widths during detection is realized, and the adjustment is more convenient compared with the existing device.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the linkage mechanism of the present invention;
FIG. 3 is a schematic structural view of the extruding mechanism of the present invention;
fig. 4 is a schematic view of the connection between the fixing column and the connecting column of the present invention.
In the figure: 1. a base; 2. a top plate; 3. a lifting mechanism; 31. packaging the shell; 32. a first motor; 33. a first threaded rod; 34. a vertical slide bar; 35. a lifting block; 36. a horizontal slide bar; 4. a bearing seat; 5. a storage plate; 6. a linkage mechanism; 61. a second motor; 62. connecting blocks; 63. fixing a column; 631. a chute; 64. connecting columns; 641. a fixed block; 65. an auxiliary telescopic rod; 66. connecting plates; 67. a threaded sleeve; 68. a second threaded rod; 69. a sliding sleeve; 7. an extrusion mechanism; 71. a moving block; 72. an electric telescopic rod; 73. a fixing plate; 74. a four-point extrusion device; 8. a connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a four-point bending tester shown in the figure includes a base 1, a top plate 2, a bearing seat 4 and an object placing plate 5, wherein the bearing seat 4 is fixed on the top of the base 1, the object placing plate 5 is fixed on the top of the bearing seat 4, the top plate 2 is arranged on the top of the bearing seat 4 on the top of the base 1, and the object placing plate 5 can be used for preventing an object to be tested, has certain elasticity, can bear certain bending force, and can automatically recover.
Referring to fig. 1, a lifting mechanism 3 capable of vertically lifting and lowering the extrusion device is arranged between the top plate 2 and the base 1, a linkage mechanism 6 capable of horizontally moving the extrusion device is arranged in the middle of the lifting device at the bottom of the top plate 2, an extrusion mechanism 7 capable of extruding and bending tests is connected to the bottom of the linkage mechanism 6 in a transmission manner, the lifting mechanism 3, the extrusion mechanism 7 and the linkage mechanism 6 are in transmission connection, under the cooperation effect of the lifting mechanism 3 and the extrusion mechanism 7, adjustment for detection objects with different heights is achieved, and under the cooperation effect of the linkage mechanism 6 and the extrusion mechanism 7, adjustment for detection objects with different widths is achieved.
Referring to fig. 1, the lifting mechanism 3 includes a packaging shell 31, a first motor 32, a first threaded rod 33, a vertical sliding rod 34, a lifting block 35 and a horizontal sliding rod 36, the packaging shell 31 is fixed on one side of the top plate 2, the first motor 32 is fixedly installed inside the packaging shell 31, the output end of the first motor 32 penetrates through the top plate 2 and is fixed with the first threaded rod 33, one end of the first threaded rod 33 far away from the top plate 2 is rotatably connected with the base 1, the top of the base 1 is symmetrically and rotatably connected with the vertical sliding rod 34 corresponding to the first threaded rod 33, one end of the vertical sliding rod 34 far away from the base 1 is rotatably connected with the top plate 2, a horizontal sliding rod 36 is arranged between the first threaded rod 33 and the vertical sliding rod 34, the lifting block 35 is fixed on both sides of the horizontal sliding rod 36, the lifting block 35 on one side of the horizontal sliding rod 36 is slidably connected with the vertical sliding rod, and the lifting block 35 at the other side of the horizontal sliding rod 36 is meshed with the threaded rod, and the first motor 32 drives the first threaded rod 33 to rotate, so that the horizontal sliding rod 36 moves in the vertical direction under the action of the lifting block 35.
Referring to fig. 1 and 2, the linkage mechanism 6 includes a second motor 61, a connecting block 62, a fixing column 63, a connecting column 64, an auxiliary telescopic rod 65, a connecting plate 66, a threaded sleeve 67, a second threaded rod 68 and a sliding sleeve 69, the connecting block 62 is fixedly sleeved on the middle surface of the horizontal sliding rod 36 of the lifting mechanism 3, the connecting column 64 is fixed on the top of the connecting block 62, the fixing column 63 is inserted on the top of the connecting column 64 in a sliding manner, one end of the fixing column 63, which is far away from the connecting column 64, is fixedly connected with the top plate 2, the sliding sleeve 69 is slidably sleeved on the surface of the connecting column 64, the connecting plates 66 are symmetrically fixed on two sides of the surface of the sliding sleeve 69, the second motor 61 is fixedly installed inside the connecting block 62, the threaded sleeve 67 is fixed on the output end of the second motor 61, the threaded sleeve 67 penetrates through the connecting block 62 and is connected with the second threaded, and the other side of the sliding sleeve 69 is fixed with the auxiliary telescopic rod 65 at the bottom of the connecting plate 66, the bottom of the auxiliary telescopic rod 65 is fixedly connected with the top surface of the connecting block 62, the second motor 61 is started, and the second threaded rod 68 drives the sliding sleeve 69 to move up and down on the surface of the connecting column 64 under the meshing connection action of the threaded sleeve 67 and the second threaded rod 68.
Referring to fig. 3, the extruding mechanism 7 includes a moving block 71, an electric telescopic rod 72, a fixing plate 73 and a four-point extruding device 74, the moving block 71 is symmetrically slidably sleeved on the surface of the horizontal sliding rod 36 of the lifting mechanism 3, the electric telescopic rod 72 is fixed at the bottom of the moving block 71, the fixing plate 73 is fixed at one end of the electric telescopic rod 72 far away from the moving block 71, the four-point extruding device 74 is fixedly installed at the bottom of the fixing plate 73, when the four-point extruding device 74 is aligned to an object to be detected, the electric telescopic rod 72 is opened to attach and continuously extrude the four-point extruding device 74 and the detected object, and the four-point extruding device 74 has the same working principle as an extruding device used in the.
Referring to fig. 1, the top of the connecting block 62 is rotatably connected to one end of a connecting rod 8 through a rotating shaft, and the other end of the connecting rod 8 is rotatably connected to a sliding sleeve 69 of the linkage mechanism 6 through a rotating shaft, so that the extrusion device is lifted along with the sliding sleeve 69, the distance between the two extrusion mechanisms 7 is gradually reduced, and adjustment and detection are performed on detection objects with different widths.
Referring to fig. 4, the fixed column 63 is symmetrically provided with sliding grooves 631 inside, the fixed blocks 641 are symmetrically fixed on two sides of the top of the connecting column 64, the fixed blocks 641 are slidably connected with the sliding grooves 631, and the connecting column 64 slides with the fixed column 63 in the lifting process of the horizontal sliding rod 36, so that the length of the connecting column 64 is increased, and the distance between the sliding sleeve 69 and the moving block 71 is kept unchanged.
In the scheme, when the device is used, an object to be detected is placed on the object placing plate 5, the first motor 32 is started, the first motor 32 drives the first threaded rod 33 to rotate, the horizontal sliding rod 36 moves in the vertical direction under the action of the lifting block 35, after the height is adjusted to be proper, the second motor 61 is started, under the meshing connection action of the threaded sleeve 67 and the second threaded rod 68, the second threaded rod 68 drives the sliding sleeve 69 to move up and down on the surface of the connecting column 64, the distance between the two extrusion mechanisms 7 is gradually reduced along with the rising of the sliding sleeve 69, so that the adjustment detection is carried out on the detected objects with different widths, when the four-point extrusion device 74 is aligned with the object to be detected, the electric telescopic rod 72 is started, the four-point extrusion device 74 is attached to the detected object and continuously extrudes, and under the matching action of the lifting mechanism 3 and the extrusion mechanisms 7, the height-adjustable device has the advantages that the objects to be detected are adjusted according to different heights, under the matching action of the linkage mechanism 6 and the extrusion mechanism 7, the objects with different widths are adjusted during detection, and the device is more convenient to adjust compared with the existing device.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a four-point bending test machine, includes base (1), roof (2), bears seat (4) and puts thing board (5), base (1) top is fixed with bears seat (4), bear seat (4) top and be fixed with and put thing board (5), base (1) top is located bears seat (4) top and is equipped with roof (2), its characterized in that: but be equipped with elevating system (3) of vertical lift extrusion device between roof (2) and base (1), but roof (2) bottom is located the elevating system in the middle of be equipped with horizontal migration extrusion device's link gear (6), and link gear (6) bottom transmission is connected with extrusion mechanism (7) that can extrude crooked test, elevating system (3) are the transmission with extrusion mechanism (7) and link gear (6) and are connected.
2. The four-point bending test machine according to claim 1, wherein: the lifting mechanism (3) comprises a packaging shell (31), a first motor (32), a first threaded rod (33), a vertical sliding rod (34), a lifting block (35) and a horizontal sliding rod (36), the packaging shell (31) is fixed on one side of the top plate (2), the first motor (32) is fixedly installed inside the packaging shell (31), the output end of the first motor (32) penetrates through the top plate (2) and is fixedly provided with the first threaded rod (33), one end, far away from the top plate (2), of the first threaded rod (33) is rotatably connected with the base (1), the vertical sliding rod (34) is rotatably connected with the top of the base (1) in a position symmetrical mode corresponding to the first threaded rod (33), one end, far away from the base (1), of the vertical sliding rod (34) is rotatably connected with the top plate (2), the horizontal sliding rod (36) is arranged between the first threaded rod (33) and the vertical sliding rod (34), and both sides of the horizontal sliding rod (36) are fixed with lifting blocks (35), the lifting block (35) on one side of the horizontal sliding rod (36) is in sliding connection with the vertical sliding rod (34), and the lifting block (35) on the other side of the horizontal sliding rod (36) is in meshed connection with the threaded rod.
3. The four-point bending test machine according to claim 1, wherein: the linkage mechanism (6) comprises a second motor (61), a connecting block (62), a fixing column (63), a connecting column (64), an auxiliary telescopic rod (65), a connecting plate (66), a threaded sleeve (67), a second threaded rod (68) and a sliding sleeve (69), the connecting block (62) is fixedly sleeved on the surface of the middle part of a horizontal sliding rod (36) of the lifting mechanism (3), the connecting column (64) is fixed at the top of the connecting block (62), the fixing column (63) is connected to the top of the connecting column (64) in a sliding and inserting mode, one end, far away from the connecting column (64), of the fixing column (63) is fixedly connected with the top plate (2), the sliding sleeve (69) is sleeved on the surface of the connecting column (64) in a sliding and connecting mode, the connecting plate (66) is symmetrically fixed on two sides of the surface of the sliding sleeve (69), the second motor (61) is fixedly installed inside the connecting block (62, threaded sleeve (67) are worn out connecting block (62) meshing and are connected with second threaded rod (68), even board (66) fixed connection on second threaded rod (68) top and sliding sleeve (69) one side, and sliding sleeve (69) opposite side even board (66) bottom is fixed with auxiliary telescopic rod (65), auxiliary telescopic rod (65) bottom and connecting block (62) top fixed surface are connected.
4. The four-point bending test machine according to claim 1, wherein: the extrusion mechanism (7) comprises a moving block (71), an electric telescopic rod (72), a fixed plate (73) and a four-point extrusion device (74), wherein the moving block (71) is symmetrically sleeved on the surface of a horizontal sliding rod (36) of the lifting mechanism (3) in a sliding manner, the electric telescopic rod (72) is fixed at the bottom of the moving block (71), the fixed plate (73) is fixed at one end, away from the moving block (71), of the electric telescopic rod (72), and the four-point extrusion device (74) is fixedly installed at the bottom of the fixed plate (73).
5. The four-point bending test machine according to claim 3, wherein: the top of the connecting block (62) is rotatably connected with one end of a connecting rod (8) through a rotating shaft, and the other end of the connecting rod (8) is rotatably connected with a sliding sleeve (69) of the linkage mechanism (6) through the rotating shaft.
6. The four-point bending test machine according to claim 3, wherein: the inside symmetry of fixed column (63) has seted up spout (631), and the both sides symmetry of spliced pole (64) top is fixed with fixed block (641), fixed block (641) and spout (631) are sliding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021220733.3U CN212514052U (en) | 2020-06-28 | 2020-06-28 | Four-point bending test machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021220733.3U CN212514052U (en) | 2020-06-28 | 2020-06-28 | Four-point bending test machine |
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| CN212514052U true CN212514052U (en) | 2021-02-09 |
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| CN202021220733.3U Active CN212514052U (en) | 2020-06-28 | 2020-06-28 | Four-point bending test machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252363A (en) * | 2021-06-01 | 2021-08-13 | 美自达机车(徐州)有限公司 | Load bearing testing device for rear luggage carrier of electric vehicle |
| CN116858692A (en) * | 2023-09-05 | 2023-10-10 | 毕普帕罗洛江苏工程技术有限公司 | A multi-functional check out test set for valve rod is made |
| CN117074168A (en) * | 2023-07-05 | 2023-11-17 | 中国矿业大学(北京) | Surrounding rock deformation experimental device and method for horizontal and vertical linkage mechanics simulation |
-
2020
- 2020-06-28 CN CN202021220733.3U patent/CN212514052U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252363A (en) * | 2021-06-01 | 2021-08-13 | 美自达机车(徐州)有限公司 | Load bearing testing device for rear luggage carrier of electric vehicle |
| CN117074168A (en) * | 2023-07-05 | 2023-11-17 | 中国矿业大学(北京) | Surrounding rock deformation experimental device and method for horizontal and vertical linkage mechanics simulation |
| CN117074168B (en) * | 2023-07-05 | 2024-05-24 | 中国矿业大学(北京) | Surrounding rock deformation experimental device and method for horizontal and vertical linkage mechanics simulation |
| CN116858692A (en) * | 2023-09-05 | 2023-10-10 | 毕普帕罗洛江苏工程技术有限公司 | A multi-functional check out test set for valve rod is made |
| CN116858692B (en) * | 2023-09-05 | 2023-11-17 | 毕普帕罗洛江苏工程技术有限公司 | A multi-functional check out test set for valve rod is made |
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