CN114295380A - Engine valve mechanism test device - Google Patents
Engine valve mechanism test device Download PDFInfo
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- CN114295380A CN114295380A CN202111514597.8A CN202111514597A CN114295380A CN 114295380 A CN114295380 A CN 114295380A CN 202111514597 A CN202111514597 A CN 202111514597A CN 114295380 A CN114295380 A CN 114295380A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 78
- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000005299 abrasion Methods 0.000 claims abstract description 7
- 230000005389 magnetism Effects 0.000 claims description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 16
- 239000000741 silica gel Substances 0.000 claims description 16
- 229910002027 silica gel Inorganic materials 0.000 claims description 16
- 238000004088 simulation Methods 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 210000003437 trachea Anatomy 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention discloses an engine valve mechanism test device which comprises a device base, wherein a motor control mechanism is arranged on the outer surface of one side of the device base, a transmission motor is arranged on the outer surface of the upper end of the device base, and a transmission belt fastening mechanism is arranged on one side of the transmission motor. The engine valve mechanism test device is provided with the transmission belt fastening mechanism, the air pipe protection mechanism and the valve abrasion detection mechanism, can improve the transmission efficiency of the transmission belt when the test device is used, and can prevent the cam transmission belt from being used for a long time or prevent the influence of weather temperature change on the tightness of the transmission belt, so that the transmission effect of the transmission belt is influenced.
Description
Technical Field
The invention relates to the field of test devices, in particular to a test device for an engine valve actuating mechanism.
Background
The utility model provides a device that engine valve timing mechanism test is convenient for people to carry out the test to engine valve timing mechanism, and its appearance can make things convenient for people to use, and it is simple structure not only, and convenient operation moreover.
The existing testing device for the valve actuating mechanism of the engine has certain defects when in use, firstly, a cam transmission belt is easy to loosen when used for a long time or weather temperature changes, the transmission effect of the transmission belt is influenced, certain inconvenience is caused, secondly, a gas pipe of the valve actuating mechanism is easy to enter dust and foreign matters, the test of the valve actuating mechanism is influenced, certain adverse effects are caused, in addition, the device can not test the abrasion degree of a valve, certain adverse effects are caused in the using process of people, and therefore, the testing device for the valve actuating mechanism of the engine is provided.
Disclosure of Invention
The invention mainly aims to provide a testing device for an engine valve actuating mechanism, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an engine valve mechanism test device, includes the device base, one side surface of device base is provided with motor control mechanism, the upper end surface of device base is provided with driving motor, one side of driving motor is provided with drive belt fastening mechanism, one side of drive belt fastening mechanism is provided with the cam, the upper end surface of cam is provided with the fixed section of thick bamboo of push rod, the upper end surface of the fixed section of thick bamboo of push rod is provided with simulation hydro-cylinder shell, the both sides surface of simulation hydro-cylinder shell all is provided with the fixed bolster, one side surface of fixed bolster is provided with trachea protection mechanism, the inner wall of simulation hydro-cylinder shell is provided with valve wear detection mechanism, the upper end surface of simulation hydro-cylinder shell is provided with rocking arm shaft and valve spring holder, the rocking arm shaft is located one side of valve spring holder.
The driving belt fastening mechanism is mainly beneficial to adjusting the tightness of the driving belt and improving the driving efficiency of the driving belt.
The air pipe protection mechanism is mainly beneficial to shielding and protecting the air pipe of the air distribution mechanism and preventing dust and foreign matters from entering.
The valve wear detection mechanism is mainly beneficial to testing the valve wear.
Preferably, the driving belt fastening mechanism comprises a connecting seat, a fixing frame, a roller, a fixing screw and a fastening frame, the outer surface of the upper end of the fixing frame is fixedly connected with the outer surface of the lower end of the connecting seat, the fixing screw is arranged on the outer surface of the front end of the connecting seat, the fastening frame is arranged on the outer surface of the rear end of the connecting seat, and the rollers are arranged on the outer surfaces of the two ends of the fastening frame.
Preferably, trachea protection mechanism includes fixing base, magnetism piece, link, sealing plug, magnetism piece and the spacing area of silica gel of inhaling, one side surface of link is provided with the fixing base, one side middle part of fixing base is provided with magnetism and inhales the piece, one side surface of fixing base is provided with the spacing area of silica gel, the upper end surface in the spacing area of silica gel is provided with magnetism and inhales the piece, one side surface of magnetism piece is provided with the sealing plug.
Preferably, valve wear detection mechanism includes threaded connection groove, dismouting handle, connecting cylinder, wearing and tearing inspection coating and connecting piece, the upper end surface of dismouting handle is provided with the connecting piece, one side surface of connecting piece is provided with the connecting cylinder, the outer wall of connecting cylinder is provided with the threaded connection groove, the inner wall of connecting cylinder is provided with wearing and tearing inspection coating.
Preferably, the upper end surface of mount and the lower extreme surface fixed connection of connecting seat, the front end surface of connecting seat can be dismantled with the rear end surface of fixed screw and be connected, the rear end surface of connecting seat and the front end surface swing joint of fastening frame, the both ends surface of fastening frame all with the one end surface swing joint of roller, the lower extreme surface of mount and the upper end surface of device base can be dismantled and be connected.
Preferably, one side surface of link and one side fixed surface of fixing base are connected, the opposite side middle part of fixing base and one side fixed surface of magnetism suction piece are connected, one side surface of fixing base and the lower extreme fixed surface in the spacing area of silica gel are connected, the upper end surface in the spacing area of silica gel and the lower extreme fixed surface of magnetism suction block are connected, one side surface of magnetism suction block and one side fixed surface of sealing plug are connected, the inner wall of link and the outer wall of fixed bolster can be dismantled and be connected.
Preferably, the outer surface of the upper end of the disassembling and assembling handle is fixedly connected with the outer surface of the lower end of the connecting piece, the outer surface of one side of the connecting piece is fixedly connected with the outer surface of one side of the connecting cylinder, the inner wall of the connecting cylinder is fixedly connected with the outer wall of the abrasion detection coating, and the outer wall of the connecting cylinder is detachably connected with the inner wall of the simulation oil cylinder shell through a threaded connecting groove.
Preferably, one side surface of the motor control mechanism is fixedly connected with one side surface of the device base, the lower end surface of the transmission motor is detachably connected with one side of the upper end of the device base, one end surface of the transmission motor is electrically connected with the inner wall of the motor control mechanism, and a transmission belt is arranged between the transmission motor and the cam.
Compared with the prior art, the invention has the following beneficial effects: the engine valve mechanism test device has the advantages that through the arranged driving belt fastening mechanism, when the test device is used, the angle of the fastening frame can be adjusted through the fixing screw, so that the roller on the fastening frame is firmly clamped on the inner wall of the driving belt, the transmission efficiency of the driving belt is improved, the influence of long-time use of the cam driving belt or weather temperature change on the tightness of the driving belt is prevented, the transmission effect of the driving belt is further influenced, the use of the test device is facilitated, through the arranged air pipe protection mechanism, after the test device is used, the sealing plug can be plugged into the air pipe of the valve mechanism to shield the air pipe, the magnetic suction piece can also adsorb and fix the magnetic suction block on one side of the sealing plug when the test device is used, the phenomenon that dust and foreign matters enter the air pipe to influence the use of the test device due to the loss of the sealing plug is prevented, the use of people is facilitated, and through the arranged valve abrasion detection mechanism, before the testing device is used, the connecting cylinder can be installed on the inner wall of the simulated oil cylinder shell through the dismounting handle and the connecting piece, the abrasion detection coating on the inner wall of the connecting cylinder can be convenient for a user to observe the abrasion condition of the outer wall of the valve, the testing of the valve actuating mechanism is facilitated, the whole testing device for the valve actuating mechanism of the engine is simple in structure and convenient to operate, and the using effect is better than that of a traditional mode.
Drawings
FIG. 1 is an external view of the overall structure of an engine valve train testing device according to the present invention.
Fig. 2 is a schematic diagram of the internal structure of an engine valve train testing device according to the present invention.
Fig. 3 is an enlarged view of the belt fastening mechanism 2 of fig. 1 of an engine valve train testing apparatus of the present invention.
Fig. 4 is an enlarged view of the air duct protection mechanism 12 of fig. 1 of an engine valve train testing apparatus of the present invention.
Fig. 5 is an enlarged view of the valve wear detection mechanism 11 of fig. 1 of an engine valve train testing apparatus of the present invention.
In the figure: 1. a motor control mechanism; 2. a drive belt fastening mechanism; 3. a cam; 4. a device base; 5. a drive motor; 6. fixing a bracket; 7. a push rod fixing cylinder; 8. simulating a cylinder shell; 9. a rocker shaft; 10. a valve spring seat; 11. a valve wear detection mechanism; 12. a trachea protection mechanism; 201. a connecting seat; 202. a fixed mount; 203. a roller; 204. fixing screws; 205. a fastening frame; 1201. a fixed seat; 1202. a magnetic attraction sheet; 1203. a connecting frame; 1204. a sealing plug; 1205. a magnetic block; 1206. a silica gel limit band; 1101. connecting grooves by screw threads; 1102. a handle is disassembled and assembled; 1103. a connecting cylinder; 1104. a wear check coating; 1105. a connecting member.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, an engine valve train testing device includes a device base 4, a motor control mechanism 1 is disposed on an outer surface of one side of the device base 4, a transmission motor 5 is disposed on an outer surface of an upper end of the device base 4, a transmission belt fastening mechanism 2 is disposed on one side of the transmission motor 5, a cam 3 is disposed on one side of the transmission belt fastening mechanism 2, a push rod fixing cylinder 7 is disposed on an outer surface of an upper end of the cam 3, a simulation cylinder housing 8 is disposed on an outer surface of an upper end of the push rod fixing cylinder 7, fixing brackets 6 are disposed on outer surfaces of two sides of the simulation cylinder housing 8, an air pipe protection mechanism 12 is disposed on an outer surface of one side of the fixing brackets 6, a valve wear detection mechanism 11 is disposed on an inner wall of the simulation cylinder housing 8, a rocker shaft 9 and a valve spring seat 10 are disposed on an outer surface of an upper end of the simulation cylinder housing 8, and the rocker shaft 9 is located on one side of the valve spring seat 10.
Further, drive belt fastening device 2 includes connecting seat 201, mount 202, roller 203, set screw 204 and fastening frame 205, the upper end surface of mount 202 and the lower extreme external surface fixed connection of connecting seat 201, the front end surface of connecting seat 201 is provided with set screw 204, the rear end surface of connecting seat 201 is provided with fastening frame 205, the both ends surface of fastening frame 205 all is provided with roller 203, be favorable to drive belt fastening device 2's stable in structure.
Further, trachea protection mechanism 12 includes fixing base 1201, magnetism inhales piece 1202, link 1203, sealing plug 1204, magnetism inhales piece 1205 and the spacing area 1206 of silica gel, one side surface of link 1203 is provided with fixing base 1201, one side middle part of fixing base 1201 is provided with magnetism and inhales piece 1202, one side surface of fixing base 1201 is provided with the spacing area 1206 of silica gel, the upper end surface of the spacing area 1206 of silica gel is provided with magnetism and inhales piece 1205, one side surface of magnetism inhales piece 1205 is provided with sealing plug 1204, be favorable to trachea protection mechanism 12's stable in structure.
Further, the valve wear detection mechanism 11 includes a threaded connection groove 1101, a dismounting handle 1102, a connection barrel 1103, a wear detection coating 1104 and a connection piece 1105, the dismounting handle 1102 is provided with the connection piece 1105 on the outer surface of the upper end, the connection barrel 1103 is arranged on the outer surface of one side of the connection piece 1105, the threaded connection groove 1101 is arranged on the outer wall of the connection barrel 1103, the wear detection coating 1104 is arranged on the inner wall of the connection barrel 1103, and the valve wear detection mechanism 11 is beneficial to structural stability.
Further, the upper end surface of mount 202 and the lower extreme surface fixed connection of connecting seat 201, the front end surface of connecting seat 201 can be dismantled with the rear end surface of set screw 204 and be connected, the rear end surface of connecting seat 201 and the front end surface swing joint of fastening frame 205, the both ends surface of fastening frame 205 all with the one end surface swing joint of roller 203, the lower extreme surface of mount 202 can be dismantled with the upper end surface of device base 4 and be connected, be favorable to drive belt fastening device 2 to be connected stably.
Further, one side surface of link 1203 and one side surface fixed connection of fixing base 1201, one side surface fixed connection of fixing base 1201 in the middle part of the opposite side and magnetism piece 1202 is inhaled, one side surface of fixing base 1201 and the lower extreme surface fixed connection of the spacing area 1206 of silica gel, the upper end surface of the spacing area 1206 of silica gel and the lower extreme surface fixed connection of magnetism piece 1205 are inhaled, one side surface fixed connection of magnetism piece 1205 and one side surface fixed connection of sealing plug 1204, the inner wall of link 1203 can be dismantled with the outer wall of fixed bolster 6 and be connected, be favorable to the connection stability of trachea protection mechanism 12.
Further, the outer surface of the upper end of the handle 1102 is fixedly connected with the outer surface of the lower end of the connecting piece 1105 in a detachable mode, the outer surface of one side of the connecting piece 1105 is fixedly connected with the outer surface of one side of the connecting cylinder 1103, the inner wall of the connecting cylinder 1103 is fixedly connected with the outer wall of the wear-detecting coating 1104, and the outer wall of the connecting cylinder 1103 is detachably connected with the inner wall of the simulated cylinder housing 8 through the threaded connecting groove 1101, so that the valve wear-detecting mechanism 11 is connected stably.
Further, one side surface of motor control mechanism 1 and one side surface fixed connection of device base 4, the lower extreme surface of driving motor 5 can be dismantled with device base 4's upper end one side and be connected, the one end surface of driving motor 5 and motor control mechanism 1's inner wall electric connection are provided with the drive belt between driving motor 5 and the cam 3, are favorable to testing device's overall structure stable.
It should be noted that the invention is a testing device of the engine valve actuating mechanism, when using, the user installs the valve actuating mechanism to be tested in the simulation oil cylinder shell 8 and the push rod fixing cylinder 7, the power line of the transmission motor 5 is connected through the motor control mechanism 1, the transmission motor 5 drives the cam 3 to move through the transmission belt, thereby driving the push rod to move up and down, the push rod can also drive the rocker shaft 9 and the valve spring seat 10 to move, so that the valve does up and down reciprocating motion, to complete the valve distribution of the engine, the transmission belt fastening mechanism 2 is arranged, when using the testing device, the angle of the fastening frame 205 can be adjusted through the fixing screw 204, the roller 203 on the fastening frame 205 is firmly clamped on the inner wall of the transmission belt, the transmission efficiency of the transmission belt is improved, the influence of the tightness of the transmission belt by the cam transmission belt for a long time or the weather temperature change is prevented, thereby the transmission effect of the transmission belt is influenced, the device is favorable for use, the trachea protection mechanism 12 that it set up, after the test device uses, can fill in sealing plug 1204 in the trachea of air distribution mechanism, shelter from the protection to the trachea, magnetism is inhaled piece 1202 and can also be when the device uses, inhale the piece 1205 to magnetism of sealing plug 1204 one side and adsorb fixedly, prevent that the losing of sealing plug 1204 from causing dust and foreign matter to get into the use that influences the device in the trachea, be favorable to people's use, the valve wearing and tearing detection mechanism 11 of its setting, before the test device uses, can install connecting cylinder 1103 in simulation hydro-cylinder shell 8 inner wall with connecting piece 1105 through the dismouting, the wearing and tearing condition of connecting cylinder 1103 inner wall 1104 can the person of facilitating the use observation valve outer wall, be favorable to the test of air distribution mechanism, and is practical.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an engine valve timing mechanism test device, includes device base (4), its characterized in that: the device is characterized in that a motor control mechanism (1) is arranged on the outer surface of one side of a device base (4), a transmission motor (5) is arranged on the outer surface of the upper end of the device base (4), a transmission belt fastening mechanism (2) is arranged on one side of the transmission motor (5), a cam (3) is arranged on one side of the transmission belt fastening mechanism (2), a push rod fixing cylinder (7) is arranged on the outer surface of the upper end of the cam (3), a simulation oil cylinder shell (8) is arranged on the outer surface of the upper end of the push rod fixing cylinder (7), fixing supports (6) are arranged on the outer surfaces of two sides of the simulation oil cylinder shell (8), an air pipe protection mechanism (12) is arranged on the outer surface of one side of each fixing support (6), an air valve wear detection mechanism (11) is arranged on the inner wall of the simulation oil cylinder shell (8), a rocker shaft (9) and an air valve spring seat (10) are arranged on the outer surface of the upper end of the simulation oil cylinder shell (8), the rocker arm shaft (9) is positioned on one side of the valve spring seat (10).
2. An engine valve train testing apparatus according to claim 1, wherein: the transmission belt fastening mechanism (2) comprises a connecting seat (201), a fixing frame (202), a roller (203), a fixing screw (204) and a fastening frame (205), the outer surface of the upper end of the fixing frame (202) is fixedly connected with the outer surface of the lower end of the connecting seat (201), the outer surface of the front end of the connecting seat (201) is provided with the fixing screw (204), the outer surface of the rear end of the connecting seat (201) is provided with the fastening frame (205), and the outer surfaces of the two ends of the fastening frame (205) are provided with the roller (203).
3. An engine valve train testing apparatus according to claim 1, wherein: trachea protection mechanism (12) are including fixing base (1201), magnetism piece (1202), link (1203), sealing plug (1204), magnetism piece (1205) and the spacing area of silica gel (1206) of inhaling, one side surface of link (1203) is provided with fixing base (1201), one side middle part of fixing base (1201) is provided with magnetism and inhales piece (1202), one side surface of fixing base (1201) is provided with the spacing area of silica gel (1206), the upper end surface of the spacing area of silica gel (1206) is provided with magnetism piece (1205) of inhaling, one side surface of magnetism piece (1205) is provided with sealing plug (1204) of inhaling.
4. An engine valve train testing apparatus according to claim 1, wherein: the valve wear detection mechanism (11) comprises a threaded connection groove (1101), a disassembly and assembly handle (1102), a connection cylinder (1103), a wear inspection coating (1104) and a connection piece (1105), wherein the connection piece (1105) is arranged on the outer surface of the upper end of the disassembly and assembly handle (1102), the connection cylinder (1103) is arranged on the outer surface of one side of the connection piece (1105), the threaded connection groove (1101) is arranged on the outer wall of the connection cylinder (1103), and the wear inspection coating (1104) is arranged on the inner wall of the connection cylinder (1103).
5. An engine valve train testing apparatus according to claim 2, wherein: the outer surface of the upper end of mount (202) is connected with the outer fixed surface of the lower end of connecting seat (201), the front end surface of connecting seat (201) can be dismantled with the rear end surface of set screw (204) and be connected, the rear end surface of connecting seat (201) and the front end surface swing joint of fastening frame (205), the both ends surface of fastening frame (205) all with the one end surface swing joint of roller (203), the lower extreme surface of mount (202) can be dismantled with the upper end surface of device base (4) and be connected.
6. An engine valve train testing apparatus according to claim 3, wherein: the utility model discloses a magnetic attraction device, including link (1203), fixed bolster (6), fixed bolster (1201), fixed bolster (1203) and magnet, the fixed bolster is fixed on the outer surface of one side of link (1203) outside surface and one side of fixing base (1201), the fixed surface of one side of fixing base (1201) is connected with the one side of magnet piece (1202) outside fixed surface, the lower extreme fixed surface of one side surface and the spacing area of silica gel 1206 of fixing base (1201) is connected, the upper end surface and the lower extreme fixed surface of magnetism piece (1205) of inhaling of the spacing area of silica gel (1206) are connected, the one side surface of magnetism piece (1205) and one side fixed surface of sealing plug (1204) are connected, the inner wall of link (1203) can be dismantled with the outer wall of fixed bolster (6) and be connected.
7. An engine valve train testing apparatus according to claim 4, wherein: the outer surface of the upper end of the disassembling handle (1102) is fixedly connected with the outer surface of the lower end of the connecting piece (1105), the outer surface of one side of the connecting piece (1105) is fixedly connected with the outer surface of one side of the connecting cylinder (1103), the inner wall of the connecting cylinder (1103) is fixedly connected with the outer wall of the abrasion detection coating (1104), and the outer wall of the connecting cylinder (1103) is detachably connected with the inner wall of the simulated oil cylinder shell (8) through a threaded connecting groove (1101).
8. An engine valve train testing apparatus according to claim 1, wherein: the device is characterized in that the outer surface of one side of the motor control mechanism (1) is fixedly connected with the outer surface of one side of the device base (4), the outer surface of the lower end of the transmission motor (5) is detachably connected with one side of the upper end of the device base (4), the outer surface of one end of the transmission motor (5) is electrically connected with the inner wall of the motor control mechanism (1), and a transmission belt is arranged between the transmission motor (5) and the cam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111514597.8A CN114295380B (en) | 2021-12-13 | 2021-12-13 | Engine valve mechanism test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111514597.8A CN114295380B (en) | 2021-12-13 | 2021-12-13 | Engine valve mechanism test device |
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| CN114295380A true CN114295380A (en) | 2022-04-08 |
| CN114295380B CN114295380B (en) | 2024-04-19 |
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| CN208775600U (en) * | 2018-08-20 | 2019-04-23 | 四川润格生物科技有限公司 | A kind of transmission device for preventing material from overflowing |
| CN112304617A (en) * | 2020-10-26 | 2021-02-02 | 潍柴动力股份有限公司 | Detection method and device for engine valve mechanism |
| CN213767345U (en) * | 2020-11-16 | 2021-07-23 | 重庆傲群机械有限公司 | Traction device for open type fixed table press |
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