CN211504966U - Novel electronic universal testing machine - Google Patents
Novel electronic universal testing machine Download PDFInfo
- Publication number
- CN211504966U CN211504966U CN201922456483.7U CN201922456483U CN211504966U CN 211504966 U CN211504966 U CN 211504966U CN 201922456483 U CN201922456483 U CN 201922456483U CN 211504966 U CN211504966 U CN 211504966U
- Authority
- CN
- China
- Prior art keywords
- plate
- assembly
- novel
- bearing
- testing machine
- 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.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000001360 synchronised effect Effects 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Images
Abstract
The utility model belongs to the universal testing machine field relates to a novel electron universal testing machine, including backup pad, loading board, entablature, bottom end rail, four support columns and two drive screw, the lower part of loading board is provided with the drive mechanism who is used for driving drive screw work, and drive mechanism is connected the setting through the second hold-in range between drive pulley and the rotation band pulley including rotating band pulley, servo motor drive assembly and driven pulley subassembly, is provided with novel tensioning assembly on the second hold-in range, has still set up closure plate and anti-skidding spring on its novel tensioning assembly. The utility model has simple and reasonable integral design, the transmission mechanism is driven by the synchronous belt, the novel tension component is arranged, the use time of the synchronous belt is prolonged, and the test precision of the tester is correspondingly improved; the design of closure plate and anti-skidding spring in its novel tensioning assembly then can effectually place the rebound of tensioning wheel subassembly for the second hold-in range.
Description
Technical Field
The utility model belongs to the universal tester field especially relates to a novel electron universal tester.
Background
With the increasingly fine performance and classification of the materials, in order to meet the continuous improvement of various performances of the materials on the performance requirements of the testing machine of the electronic universal testing machine and realize the test requirements of GB/T16491-2008 issued by the State administration of standardization and administration of China and the State administration of State quality supervision, inspection and quarantine of the people's republic of China, more accurate testing of the testing machine is needed, namely, the transmission mechanism of the testing machine should be changed along with the change of the performance and the classification of the materials, so that the testing machine is suitable for new materials which are continuously developed. The improvement of the precision makes the transmission of the testing machine increasingly important. Some conventional transmissions need to be improved, and the transmission mechanisms need to be upgraded and unified so as to achieve a better test effect. In the test, the mechanical defects of large energy consumption, low efficiency and the like of the traditional turbine and worm transmission are found, and the problem of inaccurate test values can occur due to excessive loss in the test.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to foretell problem, a novel electron universal tester is provided.
In order to achieve the purpose, the technical scheme adopted by the utility model is that, the utility model provides a novel electronic universal testing machine, which comprises a supporting plate, wherein a main body frame is arranged above the supporting plate, the main body frame comprises a bearing plate arranged above the supporting plate, an upper cross beam arranged above the bearing plate and four supporting columns arranged between the bearing plate and the upper cross beam, two transmission screws are arranged on the bearing plate, a lower cross beam is arranged on the transmission screws, a transmission mechanism for driving the transmission screws to work is arranged at the lower part of the bearing plate, and a protective shell is arranged at the outer side of the transmission mechanism;
the transmission mechanism comprises a rotating belt wheel arranged at the bottom of the transmission screw rod, a servo motor driving assembly arranged on the side surface of the bearing plate and a driven belt wheel assembly arranged on the side surface of the bearing plate and in belt connection with the servo motor driving assembly and the rotating belt wheel;
the servo motor assembly comprises a servo motor arranged on the side surface of the bearing plate, and a driving gear is arranged at the upper part of the servo motor;
the driven belt pulley assembly comprises a rotating shaft fixing frame arranged on the side face of the bearing plate, a driven shaft is arranged on the rotating shaft fixing frame, a driven gear matched with the driving gear is arranged at the upper part of the driven shaft, and a driving belt pulley matched with the rotating belt pulley is arranged at the lower part of the driven shaft;
the driven gear and the driving gear are connected through a first synchronous belt;
the driving belt wheel and the rotating belt wheel are connected through a second synchronous belt;
the novel tensioning assembly is arranged on the bearing plate and comprises a fixed plate, a slidable plate is arranged on the lower portion of the fixed plate, a tensioning wheel assembly is arranged on the lower portion of the slidable plate, and the slidable plate and the fixed plate are connected through a novel screw assembly;
the fixing plate comprises a fixing block and an extended rectangular plate which is integrally arranged with the fixing block, a rectangular sliding groove is formed in the lower portion of the extended rectangular plate, sliding rail grooves are formed in two sides of the rectangular sliding groove, and a threaded hole which is matched with the novel screw rod assembly is formed in the fixing block;
the slidable plate comprises a plate body, the upper part of the plate body is provided with a sliding matching plate matched with the rectangular sliding groove, two sides of the sliding matching plate are provided with sliding rails matched with the sliding rail grooves, and the slidable plate is provided with a cylindrical hole matched with the novel screw rod assembly;
the novel screw rod assembly comprises a threaded rod, one end of the threaded rod is provided with a rotating handle, the other end of the threaded rod is provided with a cylindrical rod matched with the cylindrical hole, one end, far away from the threaded rod, of the cylindrical rod is provided with a small rotating bearing arranged on a slidable plate, and one side, far away from the rotating handle, of the small rotating bearing is provided with a fixing bolt fixedly connected with the threaded rod in a threaded manner;
the end of the outward extending rectangular plate far away from the fixed block is provided with a detachable plugging plate, and the inner side of the plugging plate is provided with an anti-skidding spring, one end of the anti-skidding spring is arranged on the plugging plate, and the other end of the anti-skidding spring is in contact with the sliding plate.
Preferably, a spacer is provided between the fixing bolt and the small-sized rotating bearing.
Preferably, one end of the cylindrical hole, which is far away from the threaded hole, is provided with a bearing accommodating hole.
Preferably, the fixing block is provided with a threaded mounting hole, and the bearing plate is provided with a mounting matching hole matched with the threaded mounting hole.
Preferably, the bearing plate is provided with a rectangular groove matched with the outward extending rectangular plate.
Preferably, the number of the tension pulleys is two.
Preferably, the central axes of the anti-slip spring and the fixing bolt are the same, and the diameter of the bottom of the anti-slip spring is larger than the diameter of the bolt head of the fixing bolt.
Preferably, a fixed bearing assembly for fixing the transmission screw is arranged on the bearing plate.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. the utility model discloses overall design is simple reasonable, and its drive mechanism carries out the transmission for synchronous belt drive's mode and handles, and its novel tensioning assembly's setting is long when having improved the use of hold-in range, and is corresponding to have improved the experimental precision of testing machine, and the design of closure plate and anti-skidding spring in its novel tensioning assembly then can effectually place the return of tensioning wheel subassembly for the second hold-in range.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic perspective view of a novel electronic universal tester provided in embodiment 1;
fig. 2 is a schematic perspective view of the novel electronic universal testing machine (without the protective case) provided in embodiment 1;
fig. 3 is a schematic perspective view of the novel electronic universal testing machine (without the protective casing and the supporting plate) provided in embodiment 1;
FIG. 4 is a schematic perspective view of the novel tension assembly of embodiment 1 mounted on a bearing plate;
fig. 5 is a schematic perspective view of the novel tension assembly provided in embodiment 1;
figure 6 is an exploded view of the novel tension assembly provided in example 1;
figure 7 is a cross-sectional view of the novel tension assembly provided in example 1;
in the above figures, 1, a support plate; 2. a carrier plate; 3. an upper cross beam; 4. a lower cross beam; 5. a support pillar; 6. a drive screw; 7. a transmission mechanism; 71. rotating the belt pulley; 72. a servo motor; 73. a driving gear; 74. a rotating shaft fixing frame; 75. a driven gear; 76. a driving pulley; 77. a first synchronization belt; 78. a second synchronous belt; 79. a novel tension assembly; 791. a fixing plate; 7911. a threaded mounting hole; 7912. a fixed block; 7913. an outward extending rectangular plate; 7914. a threaded hole; 7915. a rectangular chute; 7916. a slide rail groove; 792. a slidable plate; 7921. a plate body; 7922. a sliding fit plate; 7923. a cylindrical bore; 7924. a slide rail; 793. a novel screw assembly; 7931. a threaded rod; 7932. a cylindrical rod; 7933. rotating the handle; 7934. a small-sized rotary bearing; 7935. a gasket; 7936. fixing the bolt; 794. a tension wheel assembly; 795. a plugging plate; 796. an anti-slip spring; 8. a protective shell; 9. connecting columns.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
As shown in fig. 3-7, the transmission mechanism includes a rotary belt wheel disposed at the bottom of the transmission screw, a servo motor driving assembly disposed at the side of the bearing plate, and a driven belt wheel assembly disposed at the side of the bearing plate and in belt connection with the servo motor driving assembly and the rotary belt wheel. The servo motor assembly comprises a servo motor arranged on the side face of the bearing plate, a driving gear is arranged on the upper portion of the servo motor, and the servo motor is fixed on the bearing plate through a fixing plate and connected with the bearing plate through a bolt fixing mode, so that the servo motor assembly is convenient to disassemble and assemble; as can be seen from FIG. 3, the driven pulley assembly comprises a rotating shaft fixing frame arranged on the side surface of the bearing plate, specifically, the rotating shaft fixing frame is a bearing fixing seat, the driven shaft is arranged in the bearing fixing seat, the upper part of the driven shaft is provided with a driven gear matched with the driving gear, the lower part of the driven shaft is provided with a driving pulley matched with the rotating pulley, the upper part and the lower part are mainly connected and arranged through a first synchronous belt relative to the arrangement position in FIG. 2, the driving gear and the driving gear are connected and arranged through a second synchronous belt, obviously, the servo motor works, the driving gear drives the driven gear, the driven gear rotates, the driving pulley starts to rotate due to the coaxial relation, the rotating pulley starts to rotate, and therefore, the effective rotation of the transmission screw rod is realized, the lower cross beam is controlled to move up and down, and when the servo motor is used for driving, in order to ensure the stability of the whole transmission, a planetary reducer can be arranged on the servo motor, namely the servo motor directly acts on the planetary reducer which acts on a driving gear.
Because the second hold-in range is connected three band pulley, two rotation band pulleys and a driving pulley promptly, when the tricycle transmission, generally can set up corresponding take-up pulley on this hold-in range, certainly be in the utility model discloses in also having done the design of take-up pulley, nevertheless, after long-time use, the hold-in range can relax, the condition of pulley can appear, is that the lead screw rotates not so accurate, for this reason, the inventor has designed a new novel tensioning assembly of section.
As shown in fig. 4-7, the novel tensioning assembly includes a fixed plate, a slidable plate is disposed at the lower part of the fixed plate, a tensioning wheel assembly is disposed at the lower part of the slidable plate, the slidable plate and the fixed plate are connected by a novel screw assembly, as can be seen from fig. 5, the novel tensioning assembly mainly includes four parts, the fixed plate is disposed to dispose the novel tensioning assembly on the bearing plate, the slidable plate is a main bearing plate for the tensioning wheel assembly to effectively move relative to the fixed plate, the structure inventor of the tensioning wheel assembly has not changed, but in number, the inventor has designed two parts, the purpose is to generate the condition of dragging when the slidable plate slides inward relative to the fixed plate, that is, the outer tensioning wheel assembly is a working part, and the inner tensioning wheel assembly is an auxiliary part, for the novel screw rod component, the main component for realizing the relative movement and the relative fixation between the slidable plate and the fixed plate,
as shown in fig. 6 and 7, the inventor has given specific designs of the slidable plate, the fixed plate and the novel screw assembly in order to realize the relative movement of the slidable plate and the fixed plate.
The fixing plate comprises a fixing block and an extended rectangular plate which is integrally arranged with the fixing block, and for the fixing block part, the fixing block part is used for integrally fixing the novel tensioning assembly on the bearing plate, the fixing block is also provided with a threaded mounting hole, the bearing plate is provided with a mounting matching hole, and the novel tensioning assembly and the bearing plate are connected through a bolt, which is well understood, so that the mounting matching hole and the bolt are not drawn in the figure; the overhanging rectangular plate is a main part for providing sliding bearing for the slidable plate, so the inventor sets a rectangular sliding groove at the lower part of the overhanging rectangular plate, and sets sliding rail grooves at both sides of the rectangular sliding groove.
As shown in figures 6 and 7, the inventor sets a threaded hole matched with the novel screw assembly on the fixed block, sets a cylindrical hole matched with the novel screw assembly on the slidable plate, the novel screw assembly comprises a threaded rod, one end of the threaded rod is provided with a rotating handle, the other end is provided with a cylindrical rod matched with the cylindrical hole, one end of the cylindrical rod far away from the threaded rod is provided with a small rotating bearing arranged on the slidable plate, one side of the small rotating bearing far away from the rotating handle is provided with a fixing bolt connected and fixed with the threaded rod in a threaded manner, as can be seen from figure 6, the novel screw assembly totally comprises four parts, namely a rod body, the rotating handle, the small rotating bearing and the fixing bolt, the rod body comprises the threaded rod and the cylindrical rod, the inventor sets a bearing accommodating hole at one end of the cylindrical hole far away from the threaded hole in order to enable the small rotating bearing to be arranged in, it should be noted that the diameter of the threaded rod is greater than that of the cylindrical rod, the length of the cylindrical rod is equal to that of the cylindrical hole (the cylindrical hole contains the accommodating hole), the length of the threaded rod is greater than that of the threaded hole, and the threaded rod is fixed on the small rotating bearing and the fixing bolt (the diameter of the bolt head of the fixing bolt is greater than that of the cylindrical hole), so that when the rotating handle is rotated, the slidable plate can slide in the rectangular sliding groove, the purpose of tightening the second synchronous belt is achieved, and the threaded rod and the threaded hole are designed to fix the slidable plate relative to the fixed plate.
In order to achieve a better connection between the fixing bolt and the small-sized rolling bearing, the inventors have provided a spacer between the fixing bolt and the small-sized rolling bearing.
The inventor is that the novel tensioning assembly can be better installed on the bearing plate, so that a rectangular groove matched with the outwards-extending rectangular plate is formed in the bearing plate, and the rectangular groove is exactly arranged below the bearing plate.
The bearing plate is provided with a fixed bearing assembly (not shown in the figures) for fixing the transmission screw, and the outer side of the transmission assembly is provided with a protective shell.
As shown in fig. 2 and 3, the supporting plate and the carrier plate are connected by a connecting column.
Finally, it needs to be supplemented, if the new screw rod component is not adjusted in time after the second synchronous belt is loosened, the slidable plate slides inwards, the return force of the original synchronous belt to the tensioning wheel component is reduced, the threaded rod of the new synchronous belt moves backwards, the phenomenon enables the slidable plate to move outwards relative to the outward extending rectangular plate, so that the action of the tensioning wheel component on the synchronous belt is reduced, as shown in fig. 4-7, a detachable plugging plate is arranged at one end of the outward extending rectangular plate far away from the fixed block, an anti-skid spring is arranged at the inner side of the plugging plate, one end of the anti-skid spring is arranged on the plugging plate, the other end of the anti-skid spring is contacted with the slidable plate, and it needs to be noted that the plugging plate is fixed on the end face of the outward extending rectangular plate in a bolt fixing mode, as shown in fig. 7, the central axis of the anti-skid spring is the same as the central axis of the fixed bolt, the relationship between the coaxial design and the size of the diameter is also important, so that it is possible for the anti-slip spring to act on the slidable plate.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. A novel electronic universal testing machine comprises a supporting plate, wherein a main body frame is arranged above the supporting plate, and the novel electronic universal testing machine is characterized in that the main body frame comprises a bearing plate arranged above the supporting plate, an upper cross beam arranged above the bearing plate and four supporting columns arranged between the bearing plate and the upper cross beam, two transmission lead screws are arranged on the bearing plate, a lower cross beam is arranged on the transmission lead screws, a transmission mechanism used for driving the transmission lead screws to work is arranged at the lower part of the bearing plate, and a protective shell is arranged outside the transmission mechanism;
the transmission mechanism comprises a rotating belt wheel arranged at the bottom of the transmission screw rod, a servo motor driving assembly arranged on the side surface of the bearing plate and a driven belt wheel assembly arranged on the side surface of the bearing plate and in belt connection with the servo motor driving assembly and the rotating belt wheel;
the servo motor assembly comprises a servo motor arranged on the side surface of the bearing plate, and a driving gear is arranged at the upper part of the servo motor;
the driven belt pulley assembly comprises a rotating shaft fixing frame arranged on the side face of the bearing plate, a driven shaft is arranged on the rotating shaft fixing frame, a driven gear matched with the driving gear is arranged at the upper part of the driven shaft, and a driving belt pulley matched with the rotating belt pulley is arranged at the lower part of the driven shaft;
the driven gear and the driving gear are connected through a first synchronous belt;
the driving belt wheel and the rotating belt wheel are connected through a second synchronous belt;
the novel tensioning assembly is arranged on the bearing plate and comprises a fixed plate, a slidable plate is arranged on the lower portion of the fixed plate, a tensioning wheel assembly is arranged on the lower portion of the slidable plate, and the slidable plate and the fixed plate are connected through a novel screw assembly;
the fixing plate comprises a fixing block and an extended rectangular plate which is integrally arranged with the fixing block, a rectangular sliding groove is formed in the lower portion of the extended rectangular plate, sliding rail grooves are formed in two sides of the rectangular sliding groove, and a threaded hole which is matched with the novel screw rod assembly is formed in the fixing block;
the slidable plate comprises a plate body, the upper part of the plate body is provided with a sliding matching plate matched with the rectangular sliding groove, two sides of the sliding matching plate are provided with sliding rails matched with the sliding rail grooves, and the slidable plate is provided with a cylindrical hole matched with the novel screw rod assembly;
the novel screw rod assembly comprises a threaded rod, one end of the threaded rod is provided with a rotating handle, the other end of the threaded rod is provided with a cylindrical rod matched with the cylindrical hole, one end, far away from the threaded rod, of the cylindrical rod is provided with a small rotating bearing arranged on a slidable plate, and one side, far away from the rotating handle, of the small rotating bearing is provided with a fixing bolt fixedly connected with the threaded rod in a threaded manner;
the end of the outward extending rectangular plate far away from the fixed block is provided with a detachable plugging plate, and the inner side of the plugging plate is provided with an anti-skidding spring, one end of the anti-skidding spring is arranged on the plugging plate, and the other end of the anti-skidding spring is in contact with the sliding plate.
2. The novel electronic universal tester as claimed in claim 1, wherein a gasket is disposed between the fixing bolt and the small-sized rotating bearing.
3. The novel electronic universal testing machine as claimed in claim 2, wherein a bearing receiving hole is formed in one end of the cylindrical hole, which is far away from the threaded hole.
4. The novel electronic universal testing machine as claimed in claim 3, wherein the fixing block is provided with a threaded mounting hole, and the bearing plate is provided with a mounting hole matched with the threaded mounting hole.
5. The novel electronic universal tester as claimed in claim 4, wherein the bearing plate is provided with a rectangular groove matched with the extended rectangular plate.
6. The novel electronic universal tester of claim 5, wherein the number of the tension pulleys is two.
7. The novel electronic universal testing machine as claimed in claim 6, wherein the central axes of the anti-slip spring and the fixing bolt are the same, and the bottom diameter of the anti-slip spring is larger than the diameter of the bolt head of the fixing bolt.
8. The novel electronic universal testing machine as claimed in claim 7, wherein a fixing bearing assembly for fixing the transmission screw is disposed on the bearing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922456483.7U CN211504966U (en) | 2019-12-31 | 2019-12-31 | Novel electronic universal testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922456483.7U CN211504966U (en) | 2019-12-31 | 2019-12-31 | Novel electronic universal testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211504966U true CN211504966U (en) | 2020-09-15 |
Family
ID=72396726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922456483.7U Expired - Fee Related CN211504966U (en) | 2019-12-31 | 2019-12-31 | Novel electronic universal testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211504966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710538A (en) * | 2020-12-18 | 2021-04-27 | 济南新路昌试验机有限公司 | Electronic universal testing machine |
-
2019
- 2019-12-31 CN CN201922456483.7U patent/CN211504966U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710538A (en) * | 2020-12-18 | 2021-04-27 | 济南新路昌试验机有限公司 | Electronic universal testing machine |
| CN112710538B (en) * | 2020-12-18 | 2022-09-23 | 济南新路昌试验机有限公司 | Electronic universal testing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208880226U (en) | Clamping tooling is used in a kind of processing of automobile bearing | |
| CN211504966U (en) | Novel electronic universal testing machine | |
| CN108655933A (en) | A kind of safe burnishing device for car lightweight vehicle body maintenance | |
| CN109352373A (en) | A kind of adjustable multi-functional electronic product machining fixture | |
| CN211371181U (en) | Electronic universal tester with novel transmission loading mechanism | |
| CN210510178U (en) | Rotary eccentric multistage tensioning mechanism | |
| CN213842109U (en) | Device for measuring concentricity of spiral spring | |
| CN220007473U (en) | Fixing mechanism for tire processing | |
| CN220204406U (en) | T-shaped guide rail | |
| CN210068746U (en) | Three-shaft guide rail structure | |
| CN214888682U (en) | Cam divider convenient to install | |
| CN210123009U (en) | Mechanical-electrical integrated mechanical transmission device | |
| CN210770070U (en) | Heat dissipation device of compressor | |
| CN219553417U (en) | Actuating mechanism and line body winding equipment | |
| CN219504634U (en) | Motor assembly fixture | |
| CN211117411U (en) | Chain tensioning adjusting equipment | |
| CN216608166U (en) | Locking tool for screw locking nut | |
| CN216070176U (en) | Steering transmission shaft connecting structure | |
| CN208075703U (en) | The quick testing agency of stay bolt screw thread | |
| CN219943133U (en) | Novel sealing device for grinding roller of double-combined vertical mill | |
| CN214165152U (en) | Compact spare tire lifter assembly | |
| CN219159484U (en) | Quick butt joint device for motor and speed reducer | |
| CN220770099U (en) | Protection type end cover of speed reducer | |
| CN219495645U (en) | Chain belt fatigue strength testing device | |
| CN213515359U (en) | Spline housing internal spline tooth side positioning fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |