CN-224216472-U - Bending test device and test system

CN224216472UCN 224216472 UCN224216472 UCN 224216472UCN-224216472-U

Abstract

The utility model relates to a bending test device and a test system, which comprises a base, a main shaft unit, a main clamping unit, a bending die and an auxiliary clamping unit, wherein the main clamping block and the auxiliary clamping block driven by a driving source are matched with an elbow to realize automatic clamping and locking of a sample, the operation is simple, efficient and reliable, in the process of bending the sample, the main clamping block and the elbow synchronously rotate and are matched with dynamic compensation of the auxiliary clamping block, so that bending deformation of the sample is concentrated in a preset bending area, deformation of positions outside the preset bending area is reduced, the accuracy of test results is facilitated, meanwhile, the rapid setting and adjustment of parameters such as bending speed, bending angle and the like can be realized through control of each driving source, and the bending test device has good universality and adaptability, and can meet the requirements of various industries and fields on material bending property test.

Inventors

ZHU YIPING
XIA ZHI
ZHANG RUIYAN
WANG YIJING

Assignees

江苏扬子三井造船有限公司

Dates

Publication Date: 20260508
Application Date: 20250526

Claims (10)

1. A bending test device is characterized by comprising, A base; The main shaft unit comprises a main shaft and a first driving source, the main shaft is arranged along the Z-axis direction and is rotationally connected to the base, a gear is coaxially arranged on the main shaft, the first driving source is arranged on the base along the X-axis direction, and the output end of the first driving source is connected with a rack meshed with the gear; The main clamping unit comprises a rotating table, a first connecting seat and a main clamping block, one end of the rotating table is connected with the main shaft, the first connecting seat is arranged on the rotating table in a sliding manner along the Y-axis direction, the first connecting seat is connected with a second driving source for driving the first connecting seat to slide, and the first connecting seat is connected with the main clamping block; The bending die comprises a connecting plate and an elbow, wherein the connecting plate is arranged on the rotating table, the elbow is of a cube structure with one end provided with an arc surface, the elbow is connected to the connecting plate, and the circle center of the arc surface is coaxial with the axis of the main shaft; The auxiliary clamping unit comprises a fixed table, a second connecting seat, a sliding seat and an auxiliary clamping block, wherein the fixed table is connected to the base, the second connecting seat is slidably arranged on the fixed table along the Y-axis direction, the second connecting seat is connected with a third driving source for driving the second connecting seat to slide, the sliding seat is slidably connected to the second connecting seat along the X-axis direction and is connected with a fourth driving source for driving the second connecting seat to slide, and the sliding seat is connected with the auxiliary clamping block.
2. The bending test device according to claim 1, wherein a first sliding rail extending along the Y-axis direction is arranged on the rotating table, a first supporting seat is slidably arranged on the first sliding rail, the first supporting seat is connected with the second driving source, the first supporting seat is provided with a first connecting seat and a first adjusting seat which are arranged at intervals along the Y-axis direction, the first connecting seat is slidably connected with the first supporting seat and is positioned on one side close to the main shaft, the first adjusting seat is fixedly connected with the first supporting seat, a first bolt extending along the Y-axis direction is connected to the first adjusting seat in a threaded manner, and one end of the first bolt is connected with the first adjusting seat.
3. The bending test device according to claim 1, wherein a second sliding rail extending along the Y-axis direction is arranged on the fixed table, a second supporting seat is slidably arranged on the second sliding rail, the second supporting seat is connected with the third driving source, the second supporting seat is provided with a second connecting seat and a second adjusting seat which are arranged at intervals along the Y-axis direction, the second connecting seat is slidably connected with the second supporting seat and is positioned on one side close to the main shaft, the second adjusting seat is fixedly connected with the second supporting seat, a second bolt extending along the Y-axis direction is connected to the second adjusting seat in a threaded manner, and one end of the second bolt is connected with the second adjusting seat.
4. The bending test device according to claim 1, wherein a stopper for restricting a movement range of the slider is provided on the fourth driving source.
5. The bending test device according to claim 1, wherein the connecting plate and the elbow are of an integrated structure, the connecting plate is a circular plate, a plurality of connecting holes which are arrayed around the circumference of the connecting plate in an annular array are vertically formed in the connecting plate, and the connecting plate is connected with the rotating table at the connecting holes through a plurality of fasteners.
6. The bending test device according to claim 1, further comprising a controller connected to the first drive source, the second drive source, the third drive source, and the fourth drive source, respectively.
7. The bending test device according to claim 1, wherein the base is rotatably provided with a pressing wheel located on a side of the rack away from the gear, and a circumferential surface of the pressing wheel presses against a side surface of the rack.
8. The bending test device according to claim 1, wherein the main clamping block and the auxiliary clamping block are both rectangular structures.
9. The bending test apparatus according to claim 1, wherein the first drive source, the second drive source, the third drive source and the fourth drive source are each hydraulic cylinders.
10. A test system comprising a bending test apparatus according to any one of claims 1 to 9.

Description

Bending test device and test system Technical Field The utility model relates to the technical field of material test devices, in particular to a bending test device and a bending test system. Background The bending test of a material is a test method ‌ for determining the mechanical properties of the material under bending load, and is mainly used for evaluating the strength, toughness and deformation resistance of the material. The performance characteristics of the material can be deeply known through a bending test, and an important reference basis is provided for engineering design and material selection. The existing bending test device adopts a three-point bending test mode, can only apply force at limited loading points, is difficult to comprehensively simulate the bending stress state of a material under a complex actual working condition, is complex in operation, has low experimental efficiency, and cannot rapidly switch different experimental parameters. Disclosure of utility model Therefore, the technical problem to be solved by the utility model is to overcome the problems that a bending test device in the prior art adopts a three-point bending test mode, force can be applied only at limited loading points, the bending stress state of a material under a complex actual working condition is difficult to comprehensively simulate, the operation of the conventional bending test device is complicated, the experimental efficiency is low, and different experimental parameters cannot be switched rapidly. In order to solve the technical problems, the utility model provides a bending test device, which comprises, A base; The main shaft unit comprises a main shaft and a first driving source, the main shaft is arranged along the Z-axis direction and is rotationally connected to the base, a gear is coaxially arranged on the main shaft, the first driving source is arranged on the base along the X-axis direction, and the output end of the first driving source is connected with a rack meshed with the gear; The main clamping unit comprises a rotating table, a first connecting seat and a main clamping block, one end of the rotating table is connected with the main shaft, the first connecting seat is arranged on the rotating table in a sliding manner along the Y-axis direction, the first connecting seat is connected with a second driving source for driving the first connecting seat to slide, and the first connecting seat is connected with the main clamping block; The bending die comprises a connecting plate and an elbow, wherein the connecting plate is arranged on the rotating table, the elbow is of a cube structure with one end provided with an arc surface, the elbow is connected to the connecting plate, and the circle center of the arc surface is coaxial with the axis of the main shaft; The auxiliary clamping unit comprises a fixed table, a second connecting seat, a sliding seat and an auxiliary clamping block, wherein the fixed table is connected to the base, the second connecting seat is slidably arranged on the fixed table along the Y-axis direction, the second connecting seat is connected with a third driving source for driving the second connecting seat to slide, the sliding seat is slidably connected to the second connecting seat along the X-axis direction and is connected with a fourth driving source for driving the second connecting seat to slide, and the sliding seat is connected with the auxiliary clamping block. In one embodiment of the utility model, a first sliding rail extending along the Y-axis direction is arranged on the rotating table, a first supporting seat is slidably arranged on the first sliding rail, the first supporting seat is connected with the second driving source, the first supporting seat is provided with a first connecting seat and a first adjusting seat which are arranged at intervals along the Y-axis direction, wherein the first connecting seat is slidably connected with the first supporting seat and is positioned at one side close to the main shaft, the first adjusting seat is fixedly connected with the first supporting seat, a first bolt extending along the Y-axis direction is connected on the first adjusting seat in a threaded manner, and one end of the first bolt is connected with the first adjusting seat. In one embodiment of the utility model, a second sliding rail extending along the Y-axis direction is arranged on the fixed table, a second supporting seat is slidably arranged on the second sliding rail, the second supporting seat is connected with the third driving source, the second supporting seat is provided with a second connecting seat and a second adjusting seat which are arranged at intervals along the Y-axis direction, wherein the second connecting seat is slidably connected with the second supporting seat and is positioned at one side close to the main shaft, the second adjusting seat is fixedly connected with the second supporting seat, a second bolt extending