CN220894014U - Reverse bending detection device for right angle at top end of hot-rolled angle steel - Google Patents
Reverse bending detection device for right angle at top end of hot-rolled angle steel Download PDFInfo
- Publication number
- CN220894014U CN220894014U CN202322793243.2U CN202322793243U CN220894014U CN 220894014 U CN220894014 U CN 220894014U CN 202322793243 U CN202322793243 U CN 202322793243U CN 220894014 U CN220894014 U CN 220894014U
- Authority
- CN
- China
- Prior art keywords
- angle steel
- hot
- bending
- guide
- clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 86
- 239000010959 steel Substances 0.000 title claims abstract description 86
- 238000005452 bending Methods 0.000 title claims abstract description 79
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000005096 rolling process Methods 0.000 claims description 40
- 238000012360 testing method Methods 0.000 claims description 12
- 238000005098 hot rolling Methods 0.000 claims 3
- 230000000712 assembly Effects 0.000 abstract description 12
- 238000000429 assembly Methods 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005336 cracking Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a device for detecting right-angle reverse bending of the top end of hot-rolled angle steel, which belongs to the field of hot-rolled angle steel physical detection devices and comprises a frame body, two large guide flat plates which are oppositely arranged, a guide driving assembly for controlling the large guide flat plates to move along the direction perpendicular to the plane where the large guide flat plates are positioned, clamping assemblies for clamping the two ends of the hot-rolled angle steel and a top bending assembly for bending the hot-rolled angle steel, wherein the guide driving assembly is fixedly arranged on the frame body, the two large guide flat plates are arranged at the output end of the guide driving assembly, the two clamping assemblies are arranged on the large guide flat plates, and the top bending direction of the top bending assembly is parallel to the plane where the large guide flat plates are positioned and perpendicular to the straight line where the two clamping assemblies are positioned. The beneficial effects of the utility model are as follows: two sides of the hot-rolled angle steel are guided by the two large guide plates, two ends of the hot-rolled angle steel are clamped by the clamping assemblies, and then the right angle part of the hot-rolled angle steel is reflected and bent by the top bending assembly, so that the purpose of reflection and bending detection is achieved.
Description
Technical Field
The utility model relates to the field of hot-rolled angle steel physical detection devices, in particular to a hot-rolled angle steel top right-angle reverse bending detection device.
Background
The existing physical detection of the angle steel comprises a tensile test of a testing machine, an impact power test and the like, wherein the tensile test and the impact power test are carried out by sampling and sample preparation firstly, and then the test is carried out, so that the problems that the sample preparation of a machine tool is complicated, the speed of producing products by a production line on a production site cannot be adapted, and the quality of the angle steel is required to be rapidly judged exist.
The utility model patent with publication number CN218638288U discloses an adjustable angle steel one-time reverse bending forming device, which comprises a guide frame, a heating device and a bending machine, wherein the guide frame, the heating device and the bending machine are of a separated combined structure, the heating device is fixedly arranged on one side of the guide frame, and the bending machine is fixedly arranged on one side of the heating device. The angle steel bending machine is also reversely bent of the diagonal steel, but is complex in structure and cannot be used for rapidly judging the quality of the angle steel on site production lines.
In view of this, the present inventors have conducted intensive studies in response to this need, and have made the present invention.
Disclosure of utility model
In order to solve the problem that in the prior art, right angle reflection bending detection equipment for rapidly judging the quality of angle steel on a production site does not exist, the utility model provides a right angle reverse bending detection device for the top end of hot rolled angle steel, which comprises a frame body, two guide large flat plates which are oppositely arranged, a guide driving assembly for controlling the large flat plates to move along the direction perpendicular to the plane where the large flat plates are positioned, clamping assemblies for clamping two ends of the hot rolled angle steel, and a top bending assembly for top bending the hot rolled angle steel, wherein the guide driving assembly is fixedly arranged on the frame body, the two guide large flat plates are arranged at the output end of the guide driving assembly, the two clamping assemblies are arranged on the large flat plates, and the top bending direction of the top bending assembly is parallel to the plane where the large flat plates are positioned and perpendicular to the straight line where the two clamping assemblies are positioned.
Two sides of the hot-rolled angle steel are guided by the two large guide plates, two ends of the hot-rolled angle steel are clamped by the clamping assemblies, and then the right angle part of the hot-rolled angle steel is reflected and bent by the top bending assembly, so that the purpose of reflection and bending detection is achieved.
Preferably, the guide driving assembly comprises guide hydraulic cylinders, the two guide hydraulic cylinders are oppositely arranged and fixedly mounted on the frame body, and planes of the two large guide plates are parallel and respectively and fixedly mounted at movable ends of the guide hydraulic cylinders.
Preferably, the guide driving assembly further comprises a guide sliding rail, the guide sliding rail is fixedly installed on the frame body, the guide large flat plate is slidably installed on the guide sliding rail, and the length direction of the guide sliding rail is perpendicular to the plane where the guide large flat plate is located.
Preferably, the clamping assembly comprises two clamping sample hydraulic cylinders which are arranged up and down, each clamping sample hydraulic cylinder is provided with a left clamping rolling wheel and a right clamping rolling wheel, the left clamping rolling wheels and the right clamping rolling wheels are positioned between the two large guide plates and can rotate along the central axes, and the rotating shafts of the left clamping rolling wheels and the right clamping rolling wheels are perpendicular to the plane where the large guide plates are positioned; and a clamping space for clamping one end of the hot rolled angle steel is formed between the left clamping rolling wheel and the right clamping rolling wheel, and the left clamping rolling wheel and the right clamping rolling wheel roll in the process that the angle steel sample is jacked and bent.
Preferably, the centers of two ends of the left clamping rolling wheel and the right clamping rolling wheel are respectively arranged on the movable rod of the clamping sample hydraulic cylinder through bearings, and the left clamping rolling wheel and the right clamping rolling wheel can rotate relative to the movable rods corresponding to the left clamping rolling wheel and the right clamping rolling wheel.
Preferably, the top bending assembly comprises a top bending hydraulic cylinder which is fixedly arranged on the frame body, and a top head is arranged at the head of the top bending hydraulic cylinder;
When the hot-rolled angle steel is arranged between the two large guide plates and clamped by the clamping assembly, the top is positioned at the right angle position of the hot-rolled angle steel.
Preferably, the plug is detachably mounted on the head of the top bending hydraulic cylinder through threads.
Preferably, the top angle of the plug is 90-150 °, preferably 120 °. Here, the plug can be replaced by bending requirements.
Preferably, a stress cushion block is arranged on the frame body at a position corresponding to the top, and the stress cushion block is positioned on one side of the hot-rolled angle steel away from the top.
The jacking and bending hydraulic cylinder is fixed on one side of the test stand body, the jacking head of the 120-degree obtuse angle of the top end of the hydraulic cylinder is arranged on the head of the jacking rod of the hydraulic cylinder by utilizing a screw, and the jacking head butts against the right angle of the top end of the angle steel, so that the hydraulic cylinder walks to the bending function.
Preferably, the frame body comprises an upper frame, a lower frame, a bearing frame and side uprights which are integrally arranged, the side uprights are used for connecting the upper frame, the bearing frame and the lower frame from top to bottom to form an integrated structure, and the guide driving assembly and the top bending assembly are fixedly installed on the bearing frame. Wherein the frame body is cast steel and is not deformed when bearing larger moment.
The large guide plate is composed of wear-resistant alloy steel plates with the thickness of 20 mm, the large guide plates on two sides are kept horizontal, left and right guide sliding rails (round bars) are arranged, the large guide plates and a bearing frame are respectively connected, the bearing frame tester frame is integrated, and the guide hydraulic cylinder is a driving executing mechanism of the large guide plates on two sides.
Preferably, a refrigerating fluid pipeline can be arranged in the large guide plate, and refrigerating fluid is introduced into the pipeline to reduce the temperature of the hot rolled angle steel, so that the safety service performance of the angle steel serving in different use environments, such as winter severe cold environments in northern areas, is detected and simulated.
Preferably, observation windows for facilitating observation of the internal test state are formed between the load-carrying frame and the upper frame and between the load-carrying frame and the lower frame.
During detection, the right-angle contact top at the top end of a straight angle steel (equal angle steel and unequal angle steel) sample is jacked and bent to form an obtuse angle of 120 degrees at a specified test temperature and bending direction; in the top bending process, the steel matrix at the edge of the angle steel deforms and extends under the stress of the hidden cracks in the interior due to the aggregation of inclusions in the steel, and the edge of the angle steel is cracked or even brittle; and through the right-angle reverse bending detection of the top end of the hot-rolled angle steel, the sample which does not generate cracking is judged to be qualified, the sample which generates cracking is judged to be unqualified, and the brittle-failure sample is judged to be severely unqualified.
The beneficial effects are that:
the technical scheme of the utility model has the following beneficial effects:
(1) Two sides of the hot-rolled angle steel are guided by the two large guide plates, two ends of the hot-rolled angle steel are clamped by the clamping assemblies, and then the right angle part of the hot-rolled angle steel is reflected and bent by the top bending assembly, so that the purpose of reflection and bending detection is achieved.
(2) By controlling the test temperature, brittle fracture in a low-temperature environment caused by invisible cracks and harmful elements in the hot rolled angle steel matrix is detected, so that the production process of a production site can be timely adjusted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic front view of a preferred hot rolled angle steel top right angle reverse bending detection device of the present utility model;
FIG. 2 is a schematic side view of a preferred hot rolled angle steel top right angle reverse bending detection device of the present utility model;
FIG. 3 is a schematic top view of a preferred hot rolled angle steel top right angle reverse bending detection apparatus of the present utility model;
FIG. 4 is a schematic side view of a preferred guide large plate of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
According to the embodiment, two sides of the hot-rolled angle steel are guided through the two large guide plates, the clamping assemblies clamp the two ends of the hot-rolled angle steel, and the top bending assembly is used for reflecting and bending the right angle of the hot-rolled angle steel, so that the purpose of reflecting and bending detection is achieved. The specific implementation mode is as follows:
As shown in figures 1-4, the device for detecting the right-angle reverse bending of the top end of the hot-rolled angle steel comprises a frame body 1, two large guide flat plates 2 which are oppositely arranged, a guide driving assembly 3 used for controlling the large guide flat plates 2 to move along the direction perpendicular to the plane where the large guide flat plates are arranged, a clamping assembly 4 used for clamping the two ends of the hot-rolled angle steel 100 and a top bending assembly 5 used for bending the hot-rolled angle steel 100, wherein the guide driving assembly 3 is fixedly arranged on the frame body 1, the two large guide flat plates 2 are arranged at the output end of the guide driving assembly 3, the two clamping assemblies 4 are arranged on the large guide flat plates 2, and the top bending direction of the top bending assembly 5 is parallel to the plane where the large guide flat plates 2 are arranged and perpendicular to the straight lines where the two clamping assemblies 4 are arranged.
As a preferred embodiment, the guide driving assembly 3 includes a guide hydraulic cylinder 31, two guide hydraulic cylinders 31 are oppositely disposed and fixedly mounted on the frame body 1, and two planes of the large guide plates 2 are parallel and respectively and fixedly mounted on movable ends of the guide hydraulic cylinders 31.
As a preferred embodiment, the guide driving assembly 3 further includes a guide sliding rail 32, the guide sliding rail 32 is fixedly mounted on the frame 1, the guide large flat plate 2 is slidably mounted on the guide sliding rail 32, and the length direction of the guide sliding rail 32 is perpendicular to the plane of the guide large flat plate 2.
As a preferred embodiment, the clamping assembly 4 comprises two clamping sample hydraulic cylinders 41 arranged up and down, each clamping sample hydraulic cylinder 41 is provided with a left clamping rolling wheel 411 and a right clamping rolling wheel 412, the left clamping rolling wheel 411 and the right clamping rolling wheel 412 are positioned between two large guide plates 2 and can rotate along the central axes thereof, and the rotation axes of the left clamping rolling wheel 411 and the right clamping rolling wheel 412 are perpendicular to the plane of the large guide plates 2; a clamping space for clamping one end of the hot rolled angle steel 100 is formed between the left clamping rolling wheel 411 and the right clamping rolling wheel 412, and the left clamping rolling wheel and the right clamping rolling wheel roll in the process that the angle steel sample is jacked and bent.
As a preferred embodiment, the centers of both ends of the left clamping roller 411 and the right clamping roller 412 are mounted on the movable rod of the clamping sample hydraulic cylinder 41 through bearings, and the left clamping roller 411 and the right clamping roller 412 are rotatable relative to the movable rod corresponding thereto.
As a preferred embodiment, the top bending assembly 5 includes a top bending hydraulic cylinder 51, the top bending hydraulic cylinder 51 is fixedly mounted on the frame body 1, and a top head 52 is mounted on the head of the top bending hydraulic cylinder 51; when the hot rolled angle steel 100 is installed between the two large guide plates 2 and clamped by the clamping assembly 4, the plug 52 is positioned at a right angle position of the hot rolled angle steel 100.
As a preferred embodiment, the plug 52 is detachably mounted on the head of the top bending cylinder 51 by screw threads.
As a preferred embodiment, the top angle of the plug 52 is 90-150 °, preferably 120 °. Here, the plug can be replaced by bending requirements.
As a preferred embodiment, a force bearing block 101 is disposed on the frame body 1 at a position corresponding to the top 52, where the force bearing block 101 is located on one side of the hot rolled angle steel 100 away from the top 52, and plays a role in supporting the other side during the top bending of the hot rolled angle steel 100.
The jacking and bending hydraulic cylinder is fixed on one side of the test stand body, the jacking head of the 120-degree obtuse angle of the top end of the hydraulic cylinder is arranged on the head of the jacking rod of the hydraulic cylinder by utilizing a screw, and the jacking head butts against the right angle of the top end of the angle steel, so that the hydraulic cylinder walks to the bending function.
As a preferred embodiment, the frame body 1 includes an upper frame 11, a lower frame 12, a load-bearing frame 13 and side uprights 14 integrally provided, the side uprights 14 connect the upper frame 11, the load-bearing frame 13 and the lower frame 12 from top to bottom to form an integral structure, and the guide driving assembly 3 and the top bending assembly 5 are fixedly mounted on the load-bearing frame 13. Wherein the frame body is cast steel and is not deformed when bearing larger moment.
The large guide plate is composed of wear-resistant alloy steel plates with the thickness of 20 mm, the large guide plates on two sides are kept horizontal, left and right guide sliding rails (round bars) are arranged, the large guide plates and a bearing frame are respectively connected, the bearing frame tester frame is integrated, and the guide hydraulic cylinder is a driving executing mechanism of the large guide plates on two sides.
As a preferred embodiment, a refrigerating fluid pipeline (not shown in the figure) can be arranged in the large guide plate, and the temperature of the hot-rolled angle steel is reduced by introducing refrigerating fluid into the pipeline, so that the safety service performance of the angle steel serving in different use environments, such as winter severe cold environments in northern areas, is detected and simulated.
As a preferred embodiment, observation windows 15 for facilitating observation of the internal test state are formed between the load-carrying frame 13 and the upper frame 11, and between the load-carrying frame 13 and the lower frame 12.
During detection, the right-angle contact top at the top end of a straight angle steel (equal angle steel and unequal angle steel) sample is jacked and bent to form an obtuse angle of 120 degrees at a specified test temperature and bending direction; in the top bending process, the steel matrix at the edge of the angle steel deforms and extends under the stress of the hidden cracks in the interior due to the aggregation of inclusions in the steel, and the edge of the angle steel is cracked or even brittle; and through the right-angle reverse bending detection of the top end of the hot-rolled angle steel, the sample which does not generate cracking is judged to be qualified, the sample which generates cracking is judged to be unqualified, and the brittle-failure sample is judged to be severely unqualified.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a hot rolling angle steel top right angle reverse bending detection device, its characterized in that, includes support body, two big flat boards of direction that set up relatively, is used for control big flat board of direction is along the direction drive assembly who moves rather than the plane vertical direction that is located, is used for pressing from both sides tight the tight subassembly of clamp assembly at hot rolling angle steel both ends and the top bending subassembly that is used for top bending hot rolling angle steel, direction drive assembly fixed mounting is in on the support body, two big flat board of direction is installed the direction drive assembly output, two the clamp assembly is installed on the big flat board of direction, the top bending direction of top bending subassembly with the big flat board of direction is located the plane parallel and with two the straight line that clamp assembly is located is perpendicular.
2. The device for detecting right-angle reverse bending of the top end of hot-rolled angle steel according to claim 1, wherein the guide driving assembly comprises guide hydraulic cylinders, the two guide hydraulic cylinders are oppositely arranged and fixedly mounted on the frame body, and planes of the two large guide plates are parallel and respectively fixedly mounted at movable ends of the guide hydraulic cylinders.
3. The device for detecting right-angle reverse bending of the top end of hot-rolled angle steel according to claim 2, wherein the guide driving assembly further comprises a guide sliding rail fixedly installed on the frame body, the guide large flat plate is slidably installed on the guide sliding rail, and the length direction of the guide sliding rail is perpendicular to the plane of the guide large flat plate.
4. The right-angle reverse bending detection device for the top end of the hot rolled angle steel according to claim 1, wherein the clamping assembly comprises two clamping sample hydraulic cylinders which are arranged up and down, each clamping sample hydraulic cylinder is provided with a left clamping rolling wheel and a right clamping rolling wheel, the left clamping rolling wheel and the right clamping rolling wheels are positioned between two large guide flat plates and can rotate along the central axes, and the rotating shafts of the left clamping rolling wheels and the right clamping rolling wheels are perpendicular to the plane where the large guide flat plates are positioned; and a clamping space for clamping one end of the hot rolled angle steel is formed between the left clamping rolling wheel and the right clamping rolling wheel.
5. The device for detecting right-angle reverse bending of the top end of hot rolled angle steel according to claim 4, wherein centers of two ends of the left clamping rolling wheel and the right clamping rolling wheel are respectively installed on a movable rod of the clamping sample hydraulic cylinder through bearings, and the left clamping rolling wheel and the right clamping rolling wheel can rotate relative to the movable rods corresponding to the left clamping rolling wheel and the right clamping rolling wheel.
6. The device for detecting right-angle reverse bending of the top end of hot rolled angle steel according to claim 1, wherein the top bending assembly comprises a top bending hydraulic cylinder fixedly arranged on the frame body, and a top head is arranged at the head of the top bending hydraulic cylinder;
When the hot-rolled angle steel is arranged between the two large guide plates and clamped by the clamping assembly, the top is positioned at the right angle position of the hot-rolled angle steel.
7. The device for detecting right-angle reverse bending of the top end of hot-rolled angle steel according to claim 6, wherein the top head is detachably arranged on the head of the top bending hydraulic cylinder through threads, and the top angle of the top head is 90-150 degrees.
8. The device for detecting right-angle reverse bending of the top end of the hot-rolled angle steel according to claim 7, wherein a stress cushion block is arranged on the frame body at a position corresponding to the top end, and the stress cushion block is located on one side, far away from the top end, of the hot-rolled angle steel.
9. The device for detecting the right-angle reverse bending of the top end of the hot-rolled angle steel according to claim 1, wherein the frame body comprises an upper frame, a lower frame, a bearing frame and side uprights which are integrally arranged, the side uprights connect the upper frame, the bearing frame and the lower frame from top to bottom to form an integrated structure, and the guide driving assembly and the top bending assembly are fixedly arranged on the bearing frame.
10. The device for detecting right-angle reverse bending of the top end of hot-rolled angle steel according to claim 9, wherein observation windows for facilitating observation of internal test states are formed between the bearing frame and the upper frame and between the bearing frame and the lower frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322793243.2U CN220894014U (en) | 2023-10-18 | 2023-10-18 | Reverse bending detection device for right angle at top end of hot-rolled angle steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322793243.2U CN220894014U (en) | 2023-10-18 | 2023-10-18 | Reverse bending detection device for right angle at top end of hot-rolled angle steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220894014U true CN220894014U (en) | 2024-05-03 |
Family
ID=90868511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322793243.2U Active CN220894014U (en) | 2023-10-18 | 2023-10-18 | Reverse bending detection device for right angle at top end of hot-rolled angle steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220894014U (en) |
-
2023
- 2023-10-18 CN CN202322793243.2U patent/CN220894014U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104949883A (en) | Device for testing fracture toughness of sheet center crack tensile sample | |
| US20090071261A1 (en) | Mill Configured for a Thermo-mechanical Simulating Test System | |
| CN108225937B (en) | Bending test method and device for high-strength steel sheet | |
| CN211602336U (en) | Seat skeleton rigidity strength test bench | |
| CN220894014U (en) | Reverse bending detection device for right angle at top end of hot-rolled angle steel | |
| CN103433297B (en) | Tension stable control device for skin pass mill | |
| CN220419068U (en) | Pipeline steel hardness detection equipment | |
| CN113957218B (en) | Rolling device and method for improving fatigue performance of welded joint | |
| CN219161878U (en) | Multi-specification hot-rolled H-shaped steel r fillet bending 90-degree detection device | |
| CN210464928U (en) | Maximum bearing capacity detection table for motor production | |
| CN216979060U (en) | Surface quality inspection device for cold-rolled sheet | |
| CN210154937U (en) | Anti-bending device of anti-compression and anti-bending strength testing machine | |
| CN218891001U (en) | 90 detection device for r fillet bending of hot-rolled H-shaped steel | |
| CN220289250U (en) | Tensile strength detection device of steel bar | |
| CN112393981A (en) | Multiangular measurement formula building steel intensity check out test set | |
| CN106353196B (en) | Metal strip withdrawal and straightening deformation experimental device and method | |
| CN219369396U (en) | Pressure and shear force testing mechanism of pressure shear testing machine | |
| CN219715078U (en) | Resistance to compression detection device | |
| CN210603931U (en) | Vehicle frame stress detection device | |
| CN205228942U (en) | Compression testing machine carries out device of crooked experiment | |
| CN216247495U (en) | Universal material tester clamp | |
| CN214701746U (en) | A test furnace for testing refractory material thermal shock stability | |
| CN211085931U (en) | Calcium silicate board tensile strength detecting system | |
| CN212964388U (en) | Device for testing compressive strength of aluminum profile | |
| CN211856105U (en) | Supporting roller type bending device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |