CN213364221U - Fatigue life testing device for gear rack - Google Patents
Fatigue life testing device for gear rack Download PDFInfo
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- CN213364221U CN213364221U CN202022277631.1U CN202022277631U CN213364221U CN 213364221 U CN213364221 U CN 213364221U CN 202022277631 U CN202022277631 U CN 202022277631U CN 213364221 U CN213364221 U CN 213364221U
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Abstract
The utility model relates to a rack detects technical field, and discloses a fatigue life testing arrangement of rack and pinion, comprising a base plate, the top fixedly connected with thread bush of bottom plate, the inboard swing joint of thread bush has the threaded rod, the outside on threaded rod top is rotated and is connected with the spacing ring, the top fixedly connected with roof of spacing ring, the top fixed mounting of roof has the motor, the first drive wheel of fixedly connected with on the output shaft of motor, fixedly connected with swivel mount on the diapire of roof, the bottom of swivel mount is rotated and is connected with the second drive wheel, the external transmission of first drive wheel is connected with the drive belt. The fatigue life testing device for the gear rack is simple in overall structure and convenient to adjust so as to test the fatigue life of the gear rack, and therefore the problem that the gear rack does not detect the fatigue life and the related equipment is affected due to the fact that the service life of the gear rack is unknown is effectively solved.
Description
Technical Field
The utility model relates to a rack detects technical field, specifically is a fatigue life testing arrangement of rack and pinion.
Background
The rack is a special gear with teeth distributed on a strip-shaped body, the rack is also divided into a straight rack and a helical rack, and the rack is respectively matched with a straight cylindrical gear and a helical cylindrical gear for use, the tooth profile of the rack is a straight line instead of an involute (a plane for the tooth surface), namely, the reference circle radius is an infinite cylindrical gear, and the main parameters of the rack are tooth socket width, tooth top height, tooth root height, tooth height and the like.
The rack is applied very extensively at present, and rack and pinion need the spot check sample to detect rack and pinion's fatigue life when producing to the accurate life who surveys rack and pinion, if rack and pinion does not carry out fatigue life and detects, thereby can make rack and pinion influence relevant equipment and cause harmful effects because of not knowing life when using, so propose a rack and pinion's fatigue life testing arrangement and solve the problem that proposes in the aforesaid.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a rack and pinion's fatigue life testing arrangement possesses advantages such as the stability test of being convenient for, has solved rack and pinion and has not carried out the problem that the fatigue life detected and make because of unknown life influences relevant equipment.
(II) technical scheme
For the purpose of realizing the above-mentioned stability test of being convenient for, the utility model provides a following technical scheme: a fatigue life testing device of a gear rack comprises a bottom plate, wherein a threaded sleeve is fixedly connected to the top of the bottom plate, a threaded rod is movably connected to the inner side of the threaded sleeve, a limiting ring is rotatably connected to the outer side of the top end of the threaded rod, a top plate is fixedly connected to the top of the limiting ring, a motor is fixedly mounted at the top of the top plate, a first transmission wheel is fixedly connected to an output shaft of the motor, a rotating frame is fixedly connected to the bottom wall of the top plate, a second transmission wheel is rotatably connected to the bottom of the rotating frame, a transmission belt is rotatably connected to the outer portion of the first transmission wheel, a connecting column is fixedly connected to the top of the bottom plate, a transmission table is fixedly connected to the top of the connecting column, a transmission frame is slidably connected to the top of the transmission table, a clamping frame is fixedly connected to the top of, the outer part of the threaded rotating handle is rotatably connected with a clamping plate.
Preferably, the threaded sleeve is an inner hollow sleeve body with a cylindrical shape, and the number of the threaded sleeve bodies is four and the threaded sleeve bodies are uniformly distributed on the top of the bottom plate in a rectangular shape.
Preferably, the number of the limiting rings is four, and a through groove movably connected with the outside of the transmission belt is formed in the top plate.
Preferably, the inner side of the bottom of the transmission belt is in transmission connection with the outer part of a second transmission wheel, and the front surface of the second transmission wheel is fixedly connected with a gear mounting rod.
Preferably, the number of the clamping frames is two, threaded holes are formed in the clamping frames, and the threaded rotating handle is composed of a threaded lead screw and a rotating handle.
Preferably, the clamping plate consists of a positioning plate and a positioning ring, and the other end of the threaded lead screw, which is far away from the rotating handle, extends to the inner side of the positioning ring.
(III) advantageous effects
Compared with the prior art, the utility model provides a rack and pinion's fatigue life testing arrangement possesses following beneficial effect:
1. this fatigue life testing arrangement of rack and pinion, through on the gear installation pole with gear card to the second drive wheel, then arrange the rack in on the conduction frame, it is located before two holding brackets this moment, then rotatory screw thread turning handle makes two grip blocks displacements and carries out the centre gripping with the rack, on next step make it descend to gear and rack toothing in the thread bush with the threaded rod rotation, thereby it can to carry out the fatigue life test that final starter motor just reverses to make the gear rotatory drive rack displacement, its testing process is stable high-efficient, the effect of the stable test of being convenient for has been reached.
2. This rack and pinion's fatigue life testing arrangement, retrench through the device overall structure, and its width of being convenient for adjust the centre gripping and the height of test, consequently, the rack and pinion that can satisfy different models carries out corresponding test, can make the device suitability strong, be equipped with the spacing ring between threaded rod and the roof, consequently, the roof can remain stable motionless when threaded rod rotation regulation, can effectively avoid the device to appear the condition that regulation stability is not enough, thereby the effectual rack and pinion of having solved does not carry out fatigue life and detects and make and influence the problem of relevant equipment because of knowing life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the connection structure of the conduction frame of the present invention.
In the figure: the device comprises a base plate 1, a thread bushing 2, a threaded rod 3, a limiting ring 4, a top plate 5, a motor 6, a first transmission wheel 7, a rotating frame 8, a second transmission wheel 9, a transmission belt 10, a connecting column 11, a transmission table 12, a transmission frame 13, a clamping frame 14, a thread rotating handle 15 and a clamping plate 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a fatigue life testing device for a rack and pinion comprises a bottom plate 1, a threaded sleeve 2 is fixedly connected to the top of the bottom plate 1, the threaded sleeve 2 is an inner hollow sleeve body with a cylindrical shape, the number of the threaded sleeve 2 is four, the threaded sleeve 2 is uniformly distributed on the top of the bottom plate 1 in a rectangular shape, a threaded rod 3 is movably connected to the inner side of the threaded sleeve 2, a limit ring 4 is rotatably connected to the outer side of the top end of the threaded rod 3, a top plate 5 is fixedly connected to the top of the limit ring 4, a motor 6 is fixedly mounted on the top of the top plate 5, a first driving wheel 7 is fixedly connected to an output shaft of the motor 6, a rotating frame 8 is fixedly connected to the bottom of the rotating frame 8, a second driving wheel 9 is rotatably connected to the bottom of the rotating frame 8, a driving belt 10 is rotatably connected to the outer portion of the first, the inner side of the bottom of a driving belt 10 is in transmission connection with the outer part of a second driving wheel 9, the front surface of the second driving wheel 9 is fixedly connected with a gear installation rod, the top of a bottom plate 1 is fixedly connected with connecting columns 11, the top of each connecting column 11 is fixedly connected with a conduction table 12, the top of each conduction table 12 is in sliding connection with a conduction frame 13, the top of each conduction frame 13 is fixedly connected with a clamping frame 14, the inner side of each clamping frame 14 is in threaded connection with a threaded rotating handle 15, the number of the clamping frames 14 is two, threaded holes are formed in the clamping frames, each threaded rotating handle 15 consists of a threaded lead screw and a rotating handle, the outer part of each threaded rotating handle 15 is rotatably connected with a clamping plate 16, each clamping plate 16 consists of a positioning plate and a positioning ring, the other end of the threaded lead screw, which is far away from the rotating handle, extends to the inner side of the positioning ring, consequently can satisfy the rack and pinion of different models and carry out corresponding test, can make the device suitability strong, through being equipped with spacing ring 4 between threaded rod 3 and the roof 5, consequently roof 5 can remain stable motionless when 3 rotation regulation of threaded rod, can effectively avoid the device to appear the condition that regulation stability is not enough to the effectual problem of having solved rack and pinion and not having carried out fatigue life and having makeed because of not knowing life and influence relevant equipment.
In conclusion, the fatigue life testing device for the gear rack is characterized in that the gear is clamped on the gear mounting rod on the second transmission wheel 9, then the rack is placed on the transmission frame 13 and is located in front of the two clamping frames 14, then the threaded rotating handle 15 is rotated to enable the two clamping plates 16 to displace and clamp the rack, the threaded rod 3 is rotated to enable the threaded rod to descend in the threaded sleeve 2 to be meshed with the gear and the rack, finally the motor 6 is started to rotate forwards and backwards to enable the gear to rotate to drive the rack to displace, and therefore fatigue life testing is conducted.
And, this rack and pinion's fatigue life testing arrangement, it is retrencied through the device overall structure, and its width of being convenient for adjust the centre gripping and the height of test, consequently can satisfy the rack and pinion of different models and carry out corresponding test, can make the device suitability strong, be equipped with spacing ring 4 between threaded rod 3 and roof 5, consequently roof 5 can remain stable motionless when threaded rod 3 rotation regulation, can effectively avoid the device to appear the condition that regulation stability is not enough, thereby the effectual rack and pinion of having solved does not carry out the fatigue life and detects and make because of not knowing life and influence the problem of relevant equipment.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a fatigue life testing arrangement of rack and pinion, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is fixedly connected with a threaded sleeve (2), the inner side of the threaded sleeve (2) is movably connected with a threaded rod (3), the outer side of the top end of the threaded rod (3) is rotatably connected with a limiting ring (4), the top of the limiting ring (4) is fixedly connected with a top plate (5), the top of the top plate (5) is fixedly provided with a motor (6), an output shaft of the motor (6) is fixedly connected with a first driving wheel (7), the bottom wall of the top plate (5) is fixedly connected with a rotating frame (8), the bottom of the rotating frame (8) is rotatably connected with a second driving wheel (9), the outer transmission of the first driving wheel (7) is connected with a driving belt (10), the top of the bottom plate (1) is fixedly connected with a connecting column (11), the top of the connecting column (11) is fixedly connected with a transmission platform (12), and the top of the transmission platform (12), the top fixedly connected with clamping frame (14) of conduction frame (13), the inboard threaded connection of clamping frame (14) has screw thread turning handle (15), the outside rotation of screw thread turning handle (15) is connected with grip block (16).
2. A fatigue life testing device of a rack and pinion according to claim 1, characterized in that: the threaded sleeves (2) are cylindrical inner hollow sleeve bodies, and the number of the threaded sleeves is four and the threaded sleeves are uniformly distributed on the top of the bottom plate (1) in a rectangular shape.
3. A fatigue life testing device of a rack and pinion according to claim 1, characterized in that: the number of the limiting rings (4) is four, and a through groove movably connected with the outside of the transmission belt (10) is formed in the top plate (5).
4. A fatigue life testing device of a rack and pinion according to claim 1, characterized in that: the inner side of the bottom of the transmission belt (10) is in transmission connection with the outside of a second transmission wheel (9), and a gear mounting rod is fixedly connected to the front side of the second transmission wheel (9).
5. A fatigue life testing device of a rack and pinion according to claim 1, characterized in that: the number of the clamping frames (14) is two, threaded holes are formed in the clamping frames, and the threaded rotating handle (15) consists of a threaded lead screw and a rotating handle.
6. The fatigue life testing device of a rack and pinion according to claim 5, characterized in that: the clamping plate (16) is composed of a positioning plate and a positioning ring, and the other end of the threaded lead screw, which is far away from the rotating handle, extends to the inner side of the positioning ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022277631.1U CN213364221U (en) | 2020-10-14 | 2020-10-14 | Fatigue life testing device for gear rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022277631.1U CN213364221U (en) | 2020-10-14 | 2020-10-14 | Fatigue life testing device for gear rack |
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| Publication Number | Publication Date |
|---|---|
| CN213364221U true CN213364221U (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022277631.1U Active CN213364221U (en) | 2020-10-14 | 2020-10-14 | Fatigue life testing device for gear rack |
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| CN (1) | CN213364221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858446A (en) * | 2022-04-24 | 2022-08-05 | 江苏盛安传动股份公司 | High-precision gear anti-fatigue detection device for transmission |
-
2020
- 2020-10-14 CN CN202022277631.1U patent/CN213364221U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858446A (en) * | 2022-04-24 | 2022-08-05 | 江苏盛安传动股份公司 | High-precision gear anti-fatigue detection device for transmission |
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