CN211740946U - Track traffic automobile body welded structure fatigue test anchor clamps - Google Patents
Track traffic automobile body welded structure fatigue test anchor clamps Download PDFInfo
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- CN211740946U CN211740946U CN202020271408.3U CN202020271408U CN211740946U CN 211740946 U CN211740946 U CN 211740946U CN 202020271408 U CN202020271408 U CN 202020271408U CN 211740946 U CN211740946 U CN 211740946U
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 25
- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000033001 locomotion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model discloses a rail transit car body welding structure fatigue test fixture, which comprises a bottom plate, wherein universal wheels and a height adjusting mechanism integrated on the upper part of the bottom plate are integrated on the lower part of the bottom plate; and a fastening mechanism connected with the height adjusting mechanism; the fastening mechanism adjusts the height through the height adjusting mechanism; the fastening mechanism is provided with two groups of clamping assemblies, and the two groups of clamping assemblies are respectively used for clamping two linear profiles of a welding structure of the rail transit car body. The universal wheels are integrated below the bottom plate, so that the device can be conveniently moved and has certain portability; and in order to adapt to the test requirement of the welding structure of the linear section bar of the rail transit vehicle body, two groups of clamping assemblies are integrated, the linear section bar can be respectively clamped and fixed, and meanwhile, the clamping assemblies are driven in a hydraulic cylinder mode, so that the working strength of operators is reduced, and the clamping and fixing effect is improved.
Description
Technical Field
The utility model relates to a rail transit automobile body test device technical field especially relates to a rail transit automobile body welded structure fatigue test anchor clamps.
Background
Because the welding of track traffic automobile body is mostly the welding of sharp section bar and sharp section bar, at present when carrying out fatigue test to the welded structure of track traffic automobile body, rely on the manual work to fix the track traffic automobile body that is formed by two sharp section bar welding usually, complex operation, the fixed effect is poor, extravagant a large amount of manpowers, and the ground has increased operating personnel's working strength.
In addition, the prior art has a clamp for the fatigue test of the welding structure, but the following defects exist in both a manual fixing mode and a clamping mode of the clamp in the prior art:
firstly, the actual stress central line of a welding structure of a rail transit vehicle body is not coincident with the loading stress axis of a fatigue testing machine, so that the test result cannot reflect the actual level of the welding structure;
secondly, the test fixture in the prior art is inconvenient to move and poor in portability;
thirdly, many test fixtures in the prior art still depend on the operation of operators to finish, and the fixing effect is poor.
Based on the technical problems, a fatigue test fixture for a welded structure formed by welding linear profiles of a rail transit vehicle body, which can reduce the labor intensity of operators and can ensure the clamping effect, needs to be developed urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a linear section bar welded structure fatigue test uses, reduces operating personnel intensity of labour and can guarantee the track traffic automobile body welded structure fatigue test anchor clamps of centre gripping effect suitable for track traffic automobile body.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a rail transit car body welded structure fatigue test anchor clamps, this test anchor clamps include:
the universal wheels are integrated on the lower part of the bottom plate;
a height adjusting mechanism integrated on the upper part of the bottom plate; and
the fastening mechanism is connected with the height adjusting mechanism;
the fastening mechanism adjusts the height through the height adjusting mechanism;
the fastening mechanism is provided with two groups of clamping components which are respectively used for clamping two linear profiles of a welding structure of the rail transit car body;
the clamping assembly comprises two clamping split bodies which are oppositely arranged;
and a clamping space of the linear section is formed between the two clamping split bodies.
Further, the fastening mechanism is connected with the height adjusting mechanism through a cross rod;
the height adjusting mechanism comprises a supporting plate which is fixedly connected with the bottom plate and extends upwards along the vertical direction;
the upper end of the supporting plate is fixedly connected with a first transverse plate;
a screw rod is arranged between the bottom plate and the first transverse plate;
the upper end part of the screw penetrates through the first transverse plate and is in transmission connection with the output end of the motor through a coupler;
the lower end of the screw is connected with the bottom plate through a bearing seat;
the motor drives the screw to rotate;
a height adjusting slide rail extending along the length direction of the supporting plate is formed on one side of the supporting plate facing the fastening mechanism;
the height adjusting mechanism also comprises a height adjusting slide block which is connected with the height adjusting slide rail in a sliding way;
the screw rod penetrates through the height adjusting sliding block and is in threaded connection with the height adjusting sliding block;
the cross bar is fixedly connected to the side surface of the height adjusting slide block;
the output end of the motor drives the screw rod to rotate, and the screw rod drives the height adjusting sliding block to reciprocate up and down through the threaded engagement with the height adjusting sliding block.
Furthermore, one end of the cross rod, which is far away from the height adjusting slide block, is fixedly connected with a second cross plate extending along the horizontal direction;
the extending direction of the second transverse plate is perpendicular to the extending direction of the transverse rod;
the fastening mechanism is installed below the second transverse plate.
Furthermore, a horizontal adjusting slide rail extends from the lower surface of the second transverse plate along the length direction of the second transverse plate;
the clamping assembly is connected with the horizontal adjusting slide rail in a sliding manner through a horizontal adjusting slide block so as to adjust the horizontal position of the clamping assembly;
the horizontal adjusting slide rail and the horizontal adjusting slide block are limited through a positioning bolt.
Further, the clamping assembly includes:
the first connecting rod is fixedly connected to the lower end of the horizontal adjusting sliding block and extends along the vertical direction;
the lower end of the first connecting rod is fixedly connected with a third transverse plate;
two ends of the third transverse plate are fixedly connected with second connecting rods which vertically extend downwards;
the clamping split body is installed at the lower end of the second connecting rod.
Furthermore, the clamping split body comprises a mounting plate fixedly connected to the lower end of the second connecting rod;
a hydraulic cylinder is arranged on the mounting plate and drives a hydraulic rod;
the extending directions of the two oppositely arranged hydraulic rods of the clamping split bodies are opposite;
the end part of the hydraulic rod is fixedly connected with a squeezing plate;
the side surface of the extrusion plate, which is far away from one side of the hydraulic rod, is provided with an anti-slip pad;
the anti-slip pad is a rubber pad;
the space between the extrusion plates is the clamping space, and the size of the clamping space is adjusted through the extension and retraction of the hydraulic rods of the two hydraulic cylinders which are oppositely arranged.
In the technical scheme, the utility model provides a pair of track traffic automobile body welded structure fatigue test anchor clamps has following beneficial effect:
the universal wheels are integrated below the bottom plate, so that the device can be conveniently moved and has certain portability; and in order to adapt to the test requirement of the welding structure of the linear section bar of the rail transit vehicle body, two groups of clamping assemblies are integrated, the linear section bar can be respectively clamped and fixed, and meanwhile, the clamping assemblies are driven in a hydraulic cylinder mode, so that the working strength of operators is reduced, and the clamping and fixing effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural view of a fatigue test fixture for a welding structure of a rail transit vehicle body disclosed in an embodiment of the present invention;
fig. 2 is the embodiment of the utility model discloses a fastening device's of track traffic automobile body welded structure fatigue test anchor clamps plan view.
Description of reference numerals:
1. a base plate; 2. a height adjustment mechanism; 3. a fastening mechanism; 4. a cross bar; 5. a second transverse plate;
101. a universal wheel;
201. a support plate; 202. a first transverse plate; 203. a motor; 204. a screw; 205. a height adjustment slide rail; 206. a height adjusting slider; 207. a coupling; 208. a bearing seat;
301. a clamping assembly; 302. a first connecting rod; 303. a third transverse plate; 304. a horizontal adjusting slide block; 305. positioning the bolt; 306. a second connecting rod; 307. a clamping space;
30101. mounting a plate; 30102. a hydraulic cylinder; 30103. a hydraulic lever; 30104. a pressing plate; 30105. a non-slip mat;
501. the slide rail is adjusted horizontally.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
See fig. 1-2;
the rail transit automobile body welded structure fatigue test anchor clamps of this embodiment, this test fixture includes:
the universal wheel type bicycle comprises a bottom plate 1, wherein universal wheels 101 are integrated on the lower portion of the bottom plate 1;
a height adjusting mechanism 2 integrated on the upper part of the bottom plate 1; and
a fastening mechanism 3 connected with the height adjusting mechanism 2;
the fastening mechanism 3 adjusts the height through the height adjusting mechanism 2;
the fastening mechanism 3 is provided with two groups of clamping assemblies 301, and the two groups of clamping assemblies 301 are respectively used for clamping two linear profiles of a welding structure of the rail transit vehicle body;
the clamping assembly 301 comprises two clamping split bodies which are oppositely arranged;
a clamping space 307 of a linear profile is formed between the two clamping sub-bodies.
Specifically, this embodiment discloses a welded structure fatigue test that two straight line section bars that are applicable to track traffic automobile body weld and form uses anchor clamps, because the structure particularity of track traffic automobile body, the majority uses two straight line section bars to form as the basis welding, consequently, for this kind of structure of adaptation, the test anchor clamps integration that this embodiment discloses has fastening device 3, and this fastening device 3 integration has two sets of centre gripping subassemblies 301, mainly is used for corresponding two straight line section bars of centre gripping. In order to facilitate the movement and transportation during the operation, the universal wheels 101 are integrated under the bottom plate 1 of the present embodiment, so that the portability of the device can be improved by the universal wheels 101, and the device is convenient to move and transport.
The device has compact structure, can adapt to the process requirements of different heights and different clamping positions, is convenient to operate and has good practical significance.
Preferably, the fastening mechanism 3 is connected with the height adjusting mechanism 2 through the cross rod 4 in the embodiment;
the height adjusting mechanism 2 includes a support plate 201 fixed to the base plate 1 and extending upward in the vertical direction;
the upper end of the supporting plate 201 is fixedly connected with a first transverse plate 202;
a screw 204 is arranged between the bottom plate 1 and the first transverse plate 202;
the upper end part of the screw 204 penetrates through the first transverse plate 202 and is in transmission connection with the output end of the motor 203 through a coupling 207;
the lower end of the screw 204 is connected with the bottom plate 1 through a bearing seat 208;
the motor 203 drives the screw 04 to rotate;
a height adjusting slide rail 205 extending along the length direction of the support plate 201 is formed on one side of the support plate 201 facing the fastening mechanism 3;
the height adjusting mechanism 2 further comprises a height adjusting slider 206 slidably connected to the height adjusting slide rail 205;
the screw 204 penetrates through the height adjusting slide block 206 and is in threaded connection with the height adjusting slide block 206;
the cross bar 4 is fixedly connected with the side surface of the height adjusting slide block 206;
the output end of the motor 203 drives the screw rod 204 to rotate, and the screw rod 204 drives the height adjusting slide block 206 to reciprocate up and down through the thread engagement with the height adjusting slide block 206.
In order to meet the test height requirements of different welding structures, a height adjusting mechanism 2 is integrated on the bottom plate 1 of the embodiment, and the height adjusting mechanism 2 is connected with the fastening mechanism 3 to drive the fastening mechanism 3 to move up and down to adjust the overall clamping height. Specifically, the motor 203 above the height adjusting mechanism 2 drives the screw 204 to rotate, and the screw 204 drives the height adjusting slider 206 engaged therewith to move along the height adjusting slide rail 205 while rotating, so as to form an up-and-down reciprocating motion. The fastening mechanism 3 can be moved up and down by controlling the forward rotation and the reverse rotation of the motor 203.
Preferably, in this embodiment, one end of the cross bar 4 away from the height adjusting slider 206 is fixedly connected with a second cross plate 5 extending along the horizontal direction;
the extending direction of the second transverse plate 5 is vertical to the extending direction of the transverse rod 4;
the fastening mechanism 3 is mounted below the second cross plate 5.
Wherein, a horizontal adjusting slide rail 501 extends from the lower surface of the second horizontal plate 5 along the length direction thereof;
the clamping assembly 301 is connected with the horizontal adjusting slide rail 501 in a sliding manner through the horizontal adjusting slide block 304 so as to adjust the horizontal position of the clamping assembly 301;
the horizontal adjustment slide rail 501 and the horizontal adjustment slide block 304 are limited by a positioning bolt 305.
The above describes the overall height adjustment structure and height adjustment principle, and the horizontal position of the clamping assembly 301 needs to be adjusted to accommodate different clamping positions while adjusting the height. The horizontal adjustment sliding rail 501 disclosed in this embodiment is the basis for horizontal position adjustment. The horizontal position adjustment of the clamping assembly 301 is realized by the horizontal adjusting sliding block 304 which is connected with the horizontal adjusting sliding rail 501 in a sliding manner, and meanwhile, after the adjustment, the horizontal adjusting sliding rail 501 and the horizontal adjusting sliding block 304 are fastened into a whole by using the positioning bolt 305 so as to realize the positioning fixation.
Further, the method comprises the following steps:
the clamping assembly 301 includes:
a first connecting rod 302 fixedly connected to the lower end of the horizontal adjusting slider 304 and extending in the vertical direction;
the lower end of the first connecting rod 302 is fixedly connected with a third transverse plate 303;
two ends of the third transverse plate 303 are fixedly connected with second connecting rods 306 which extend vertically and downwards;
the lower end of the second connecting rod 306 is mounted with a clamping split body.
Wherein, the clamping split body comprises a mounting plate 30101 fixedly connected to the lower end of the second connecting rod 306;
a hydraulic cylinder 30102 is mounted on the mounting plate 30101, and the hydraulic cylinder 30102 drives a hydraulic rod 30103;
the extending directions of the two oppositely arranged hydraulic rods 30103 of the clamping split bodies are opposite;
the end of the hydraulic rod 30103 is fixedly connected with an extrusion plate 30104;
the side surface of the extrusion plate 30104, which is far away from the hydraulic rod 30103, is provided with an anti-slip pad 30105;
the non-slip mat 30105 is a rubber mat;
the space between the squeeze plates 30104 is a clamping space 307, and the size of the clamping space 307 is adjusted by extending and contracting the hydraulic rods 30103 of the two hydraulic cylinders 30102 disposed opposite to each other.
In this embodiment, specifically describing the structure of the clamping assembly 301, in order to be able to individually control and clamp a linear profile, the clamping assembly 301 in this embodiment is oppositely provided with two clamping split bodies, and the clamping split bodies all control the movement of the pressing plates 30104 thereof through independent hydraulic cylinders 30102, a clamping space 307 is formed between the two opposite pressing plates 30104, and the size of the clamping space 307 is adjusted by controlling the extension and contraction of the hydraulic rods 30103 of the hydraulic cylinders 30102. In order to increase the friction force with the linear profile, the surface of the pressing plate 30104 is covered with a non-slip mat 30105, and the non-slip mat 30105 is a preferred embodiment of a rubber mat. During clamping, the hydraulic cylinder 30102 on one side is independently controlled to extend out of the hydraulic rod 30103, after the extrusion plate 30104 on the side contacts the linear section bar, single-side extrusion is completed, and then the hydraulic cylinder 30102 on the other side is controlled to work, so that the work of one clamping assembly 301 is completed. The two clamping assemblies 301 have the same structure and the same working principle, and the description thereof is omitted.
In addition, as a scalable embodiment:
in order to adapt to a welding structure formed by welding two linear profiles, two groups of clamping assemblies 301 are integrated on the device, and as an extension, if the welding structure to be detected is formed by welding a plurality of linear profiles, the clamping assemblies 301 of the embodiment can also be a plurality of groups.
In the technical scheme, the utility model provides a pair of track traffic automobile body welded structure fatigue test anchor clamps has following beneficial effect:
the universal wheel 101 is integrated below the bottom plate 1, so that the device can be conveniently moved and has certain portability; in order to meet the test requirements of the welding structure of the linear section of the rail transit vehicle body, two groups of clamping assemblies 301 are integrated, the linear section can be clamped and fixed respectively, meanwhile, the clamping assemblies 301 are driven in a hydraulic cylinder 30102 mode, the working strength of operators is reduced, and the clamping and fixing effects are improved.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (6)
1. The utility model provides a track traffic automobile body welded structure fatigue test anchor clamps which characterized in that, this test anchor clamps include:
the device comprises a bottom plate (1), wherein universal wheels (101) are integrated on the lower part of the bottom plate (1);
a height adjusting mechanism (2) integrated on the upper part of the bottom plate (1); and
a fastening mechanism (3) connected with the height adjusting mechanism (2);
the fastening mechanism (3) adjusts the height through the height adjusting mechanism (2);
the fastening mechanism (3) is provided with two groups of clamping assemblies (301), and the two groups of clamping assemblies (301) are respectively used for clamping two linear profiles of a welding structure of the rail transit car body;
the clamping assembly (301) comprises two clamping split bodies which are oppositely arranged;
a clamping space (307) of a linear profile is formed between the two clamping split bodies.
2. The rail transit car body welding structure fatigue test fixture as claimed in claim 1, wherein the fastening mechanism (3) is connected with the height adjusting mechanism (2) through a cross bar (4);
the height adjusting mechanism (2) comprises a supporting plate (201) which is fixedly connected with the bottom plate (1) and extends upwards along the vertical direction;
the upper end of the supporting plate (201) is fixedly connected with a first transverse plate (202);
a screw rod (204) is arranged between the bottom plate (1) and the first transverse plate (202);
the upper end part of the screw rod (204) penetrates through the first transverse plate (202) and is in transmission connection with the output end of the motor (203) through a coupling (207);
the lower end of the screw rod (204) is connected with the bottom plate (1) through a bearing seat (208);
the motor (203) drives the screw rod (204) to rotate;
a height adjusting slide rail (205) extending along the length direction of the support plate (201) is formed on one side of the support plate (201) facing the fastening mechanism (3);
the height adjusting mechanism (2) further comprises a height adjusting slide block (206) which is connected with the height adjusting slide rail (205) in a sliding way;
the screw rod (204) penetrates through the height adjusting sliding block (206) and is in threaded connection with the height adjusting sliding block (206);
the cross bar (4) is fixedly connected to the side surface of the height adjusting slide block (206);
the output end of the motor (203) drives the screw rod (204) to rotate, and the screw rod (204) drives the height adjusting slide block (206) to reciprocate up and down through the threaded engagement with the height adjusting slide block (206).
3. The fatigue test fixture for the welded structure of the rail transit car body as claimed in claim 2, wherein one end of the cross bar (4) far away from the height adjusting slider (206) is fixedly connected with a second cross plate (5) extending along the horizontal direction;
the extending direction of the second transverse plate (5) is vertical to the extending direction of the transverse rod (4);
the fastening mechanism (3) is arranged below the second transverse plate (5).
4. The rail transit car body welding structure fatigue test fixture of claim 3, characterized in that a horizontal adjusting slide rail (501) extends from the lower surface of the second transverse plate (5) along the length direction;
the clamping assembly (301) is connected with the horizontal adjusting slide rail (501) in a sliding mode through a horizontal adjusting slide block (304) so as to adjust the horizontal position of the clamping assembly (301);
the horizontal adjusting sliding rail (501) and the horizontal adjusting sliding block (304) are limited through a positioning bolt (305).
5. The rail transit car body weld configuration fatigue test fixture of claim 4, wherein the clamping assembly (301) comprises:
a first connecting rod (302) fixedly connected to the lower end of the horizontal adjusting slide block (304) and extending along the vertical direction;
the lower end of the first connecting rod (302) is fixedly connected with a third transverse plate (303);
two ends of the third transverse plate (303) are fixedly connected with second connecting rods (306) which extend vertically and downwards;
the clamping split body is installed at the lower end of the second connecting rod (306).
6. The rail transit car body welding structure fatigue test fixture of claim 5, wherein the clamping split body comprises a mounting plate (30101) fixedly connected to a lower end of the second connecting rod (306);
a hydraulic cylinder (30102) is installed on the installation plate (30101), and a hydraulic rod (30103) is driven by the hydraulic cylinder (30102);
the extending directions of the two oppositely arranged hydraulic rods (30103) of the clamping split bodies are opposite;
the end part of the hydraulic rod (30103) is fixedly connected with a squeezing plate (30104);
the side surface of the extrusion plate (30104) far away from the hydraulic rod (30103) is provided with an anti-slip pad (30105);
the anti-skid pad (30105) is a rubber pad;
the space between the squeezing plates (30104) is the clamping space (307), and the size of the clamping space (307) is adjusted by the expansion and contraction of the hydraulic rods (30103) of the two hydraulic cylinders (30102) which are arranged oppositely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020271408.3U CN211740946U (en) | 2020-03-04 | 2020-03-04 | Track traffic automobile body welded structure fatigue test anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020271408.3U CN211740946U (en) | 2020-03-04 | 2020-03-04 | Track traffic automobile body welded structure fatigue test anchor clamps |
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| Publication Number | Publication Date |
|---|---|
| CN211740946U true CN211740946U (en) | 2020-10-23 |
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| CN202020271408.3U Active CN211740946U (en) | 2020-03-04 | 2020-03-04 | Track traffic automobile body welded structure fatigue test anchor clamps |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049673A (en) * | 2020-12-14 | 2021-06-29 | 陕西泰诺特检测技术有限公司 | Signal transmitter for detecting, tracking and positioning in pipeline |
| CN114061885A (en) * | 2021-11-18 | 2022-02-18 | 中车长春轨道客车股份有限公司 | Linear drive device |
| CN114594008A (en) * | 2022-03-24 | 2022-06-07 | 江苏利民丰彩新材料科技有限公司 | Hardness rapid detection equipment based on new material |
-
2020
- 2020-03-04 CN CN202020271408.3U patent/CN211740946U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049673A (en) * | 2020-12-14 | 2021-06-29 | 陕西泰诺特检测技术有限公司 | Signal transmitter for detecting, tracking and positioning in pipeline |
| CN114061885A (en) * | 2021-11-18 | 2022-02-18 | 中车长春轨道客车股份有限公司 | Linear drive device |
| CN114061885B (en) * | 2021-11-18 | 2024-02-20 | 中车长春轨道客车股份有限公司 | Linear driving device |
| CN114594008A (en) * | 2022-03-24 | 2022-06-07 | 江苏利民丰彩新材料科技有限公司 | Hardness rapid detection equipment based on new material |
| CN114594008B (en) * | 2022-03-24 | 2023-10-31 | 江苏利民丰彩新材料科技有限公司 | Hardness short-term test equipment based on new material |
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