CN113674590B - Portable mobile type wireless anti-friction device for pile frame for pile test of agricultural machinery driver - Google Patents
Portable mobile type wireless anti-friction device for pile frame for pile test of agricultural machinery driver Download PDFInfo
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- CN113674590B CN113674590B CN202110987617.7A CN202110987617A CN113674590B CN 113674590 B CN113674590 B CN 113674590B CN 202110987617 A CN202110987617 A CN 202110987617A CN 113674590 B CN113674590 B CN 113674590B
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- sliding seat
- fixedly connected
- connecting rod
- stake
- agricultural machinery
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/16—Control of vehicles or other craft
- G09B19/167—Control of land vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Educational Technology (AREA)
- Educational Administration (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Entrepreneurship & Innovation (AREA)
- Mechanical Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to the field of wireless pile test frames, in particular to a portable mobile friction-preventing device for an agricultural machinery driver wireless pile test frame. This portable wireless stake of stake frame of examining of agricultural machinery driver provides anti-friction protection through guard plate and antifriction strip, and the equipment that directly was installed on the top of equipment mounting panel was examined in the drive when avoiding the agricultural machinery to drive the training takes place to scrape, and the energy that the scraping produced passes through first connecting rod, second connecting rod, last slide and lower slide and transmits to supreme bradyseism spring and bradyseism spring department down, realizes the stability of the device through last bradyseism spring and the torsional resistance of bradyseism spring down. The problems of insufficient scratch protection, inconvenient installation and high use and maintenance cost of the traditional anti-scratch protection are solved.
Description
Technical Field
The invention relates to the field of wireless pile test frames, in particular to an anti-friction device for a portable mobile wireless pile test pile frame for an agricultural machine driver.
Background
In the agricultural machine driving training process, the wireless pile testing frame is matched to record and evaluate the driving training of the agricultural machine, and because the agricultural machine has a large visual field blind area, scraping and collision accidents of the agricultural machine and the wireless pile testing frame are very easy to occur in the agricultural machine driving training process.
When the existing wireless pile test frame is used, the wireless pile test frame is required to be placed in a designated examination training area, the advancing track of the agricultural machinery is recorded and evaluated, and when the recording and evaluation are performed, in order to ensure the recording accuracy and timeliness of the wireless pile test frame, the wireless pile test frame is required to be attached to the outer edge of a test field area, the scraping probability of the wireless pile test frame and the agricultural machinery is increased due to the fact that the operation errors are considered, the damage probability of the wireless pile test frame is increased, and the driving training cost of the agricultural machinery is increased. In the process of implementing the present invention, the inventor finds that at least the following problems in the prior art are not solved: 1. in the using process of the existing equipment, the wireless pile-checking frame lacks anti-friction protection, so that when the wireless pile-checking frame encounters a scratch accident, the wireless pile-checking frame lacking anti-friction protection is extremely easy to damage; 2. in the use process of the existing equipment, when the wireless pile-checking frame is deployed, the installation position of the wireless pile-checking frame needs to be adjusted, the operation of the installation position of the existing fixed wireless pile-checking frame is complex and inconvenient, the portable wireless pile-checking frame has insufficient installation stability, the data acquisition accuracy of the wireless pile-checking frame is reduced, and the driving training progress of agricultural machinery is influenced; 3. in the use process of the existing equipment, welding spots are very easy to loosen in the collision process of the electronic equipment used for the wireless pile test frame in a car, so that the wireless pile test frame cannot work normally, and the use and maintenance cost of the wireless pile test frame is high.
Disclosure of Invention
The invention aims to provide an anti-friction device for a portable mobile wireless stake-testing stake frame for an agricultural machine driver, which aims to solve the problems of insufficient anti-scratch protection, inconvenient installation and high use and maintenance cost in the prior art. In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a portable wireless stake of agricultural machinery driver is examined stake frame is with antifriction device, includes the backup pad, the top fixedly connected with modularization installation mechanism of backup pad, the outside swing joint of modularization installation mechanism has the antifriction mechanism, the equal fixedly connected with cushioning mechanism of top and bottom of modularization installation mechanism.
Preferably, the outside fixedly connected with strengthening rib of backup pad, the quantity of backup pad is four.
Preferably, the modularized mounting mechanism comprises a support, the bottom fixed connection of support is on the top of backup pad, locating sleeve and strut have been welded respectively in the top middle part and the outside of support, the inboard of locating sleeve has cup jointed the regulation pole, the outside threaded connection of locating sleeve has the locating bolt, the bottom of locating bolt is contradicted in the bottom of adjusting the pole, the top welding of strut has the stop collar, the middle part of stop collar cup joints in the outside of adjusting the pole, the top fixedly connected with of adjusting the pole is adjusted the bolt, the top fixedly connected with bradyseism gag lever post of adjusting the bolt, the bottom of bradyseism gag lever post is contradicted in the top of adjusting the pole.
Preferably, the top and bottom of bradyseism gag lever post are fixedly connected with limiting plate and lower limiting plate respectively, the equal fixedly connected with reinforcing plate of top and bottom of bradyseism gag lever post.
Preferably, the anti-friction mechanism comprises a limit sliding seat, the middle part swing joint of limit sliding seat is in the outside of adjusting the pole, the outside swing joint of limit sliding seat has the cardboard, the bottom threaded connection of cardboard has a limit bolt, the top of limit bolt is contradicted in the bottom inboard of limit sliding seat, the top fixedly connected with of cardboard drives examination equipment mounting panel, the bottom swing joint of limit sliding seat has the connecting rod, the bottom swing joint of connecting rod has a lower connecting seat, the bottom welding of lower connecting seat has the guard plate, the top right side welding of guard plate has an upper connecting seat, the outside and the equal fixedly connected with antifriction strip of bottom of guard plate.
Preferably, the bottom of the limit sliding seat is provided with a limit sliding groove, and the middle of the limit sliding seat is provided with a sliding hole.
Preferably, the cushioning mechanism comprises an upper cushioning spring and a lower cushioning spring, the top end of the upper cushioning spring and the bottom end of the lower cushioning spring are respectively fixedly connected to the top end and the bottom end of a cushioning limiting rod, the top end of the upper cushioning spring and the top end of the lower cushioning spring are respectively fixedly connected with an upper sliding seat and a lower sliding seat, the middle part of the upper sliding seat and the middle part of the lower sliding seat are respectively movably connected to the outer side of the cushioning limiting rod, the top ends of the upper sliding seat and the lower sliding seat are respectively movably connected with a first connecting rod and a second connecting rod, and the top ends of the first connecting rod and the second connecting rod are respectively connected to the front end and the rear end of the upper connecting seat.
Preferably, the middle part of the upper sliding seat is provided with a movable hole, and the length and the height of the upper sliding seat are the same as those of the lower sliding seat.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the scraping operation prevention protection performance is improved through the device, the isolation anti-scraping protection is provided through the protection plate and the anti-scraping strip, the phenomenon that the agricultural machine is scraped with equipment arranged at the top end of the driving examination equipment mounting plate when in driving training is avoided, as the agricultural machine is scraped with the device in a moving state, the energy generated by scraping is transmitted to the upper buffer spring and the lower buffer spring through the first connecting rod, the second connecting rod, the upper sliding seat and the lower sliding seat, and the stability of the device is realized through the torsional resistance of the upper buffer spring and the lower buffer spring.
According to the device, quick installation and installation stability improvement are completed through the device, the position of the adjusting rod and the position of the positioning sleeve are locked through the positioning bolt, the installation stability improvement of the adjusting rod is completed through the matching of the bracket, the supporting frame and the limiting sleeve, the installation of the adjusting rod and the cushioning limiting rod is completed through the adjusting bolt, the limiting bolt is adjusted according to site construction requirements and equipment installation design requirements, the clamping plate and the driving examination equipment installation plate are rotated on the outer side of the limiting sliding seat, the operation is simple and convenient, the whole structure of the device is simple and reasonable, the installation operation is simple, and a user can conveniently and quickly deploy, detach, maintain and use.
According to the device, the use and maintenance cost is reduced, when the bottom end of the protection plate encounters a collision, the protection plate pushes the driving examination equipment mounting plate to the top end of the adjusting rod through the lower connecting seat, the connecting rod and the limiting sliding seat, the driving examination equipment mounting plate is pushed to the top end of the adjusting rod, the driving examination equipment mounting plate is guaranteed to be far away from a collision point at the bottom end of the protection plate, when the top end of the protection plate encounters a collision, the top end of the protection plate deflects towards the cushioning limiting rod to drive the first connecting rod and the second connecting rod, the upper cushioning spring and the lower cushioning spring start to compress and absorb collision capacity, the protection plate drives the limiting sliding seat to slide to the bottom end of the adjusting rod through the connecting rod, the driving examination equipment mounting plate is guaranteed to be far away from the collision point at the top end of the protection plate, the collision loss of the device is reduced, and the use and maintenance cost of the device is reduced.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a left cross-sectional view of the structure of the present invention;
FIG. 3 is a perspective view of the shield structure of the present invention;
FIG. 4 is a perspective view of a bracket structure of the present invention;
fig. 5 is a perspective view of the mounting plate structure of the driving test apparatus of the present invention.
In the figure: 1. a support plate; 2. a modular mounting mechanism; 21. a bracket; 22. a positioning sleeve; 23. a supporting frame; 24. an adjusting rod; 25. a positioning bolt; 26. a limit sleeve; 27. an adjusting bolt; 28. a shock-absorbing limit rod; 3. an anti-scratch mechanism; 31. a limit sliding seat; 32. a clamping plate; 33. a limit bolt; 34. a driving test equipment mounting plate; 35. a connecting rod; 36. a lower connecting seat; 37. a protection plate; 38. an upper connecting seat; 39. an anti-rubbing strip; 4. a damping mechanism; 41. a damping spring is arranged; 42. a lower damping spring; 43. an upper slider; 44. a lower slide; 45. a first link; 46. and a second link.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides an agricultural machinery driver portable wireless stake is examined stake frame and is used antifriction device, includes backup pad 1, the top fixedly connected with modularization installation mechanism 2 of backup pad 1, the outside swing joint of modularization installation mechanism 2 has antifriction mechanism 3, the equal fixedly connected with cushioning mechanism 4 of top and bottom of modularization installation mechanism 2.
In this embodiment, as shown in fig. 1, 2 and 4, reinforcing ribs are fixedly connected to the outer sides of the support plates 1, the number of the support plates 1 is four, and the support plates 1 are inserted into the soil or placed on the bottom surface of concrete to complete the fixation of the modular installation mechanism 2.
In this embodiment, as shown in fig. 1, 2 and 4, the modular installation mechanism 2 includes a support 21, the bottom fixed connection of support 21 is on the top of backup pad 1, locating sleeve 22 and strut 23 have been welded respectively in the middle part and the outside of the top of support 21, adjusting lever 24 has been cup jointed to the inboard of locating sleeve 22, the outside threaded connection of locating sleeve 22 has locating bolt 25, the bottom of locating bolt 25 is contradicted in the bottom of adjusting lever 24, the top welding of strut 23 has stop collar 26, the middle part of stop collar 26 cup joints in the outside of adjusting lever 24, the top fixedly connected with adjusting bolt 27 of adjusting lever 24, the top fixedly connected with bradyseism gag lever 28 of adjusting bolt 27, the bottom of bradyseism gag lever 28 is contradicted in the top of adjusting lever 24.
In this embodiment, as shown in fig. 1 and 2, the top end and the bottom end of the shock absorbing stop lever 28 are respectively fixedly connected with an upper stop plate and a lower stop plate, the top end and the bottom end of the shock absorbing stop lever 28 are respectively fixedly connected with a reinforcing plate, and the sliding stability of the upper sliding seat 43 and the lower sliding seat 44 is ensured by the collocation of the shock absorbing stop lever 28 and the shock absorbing mechanism 4.
In this embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 5, the anti-friction mechanism 3 includes a limit sliding seat 31, the middle part swing joint of the limit sliding seat 31 is in the outside of adjusting the pole 24, the outside swing joint of limit sliding seat 31 has a cardboard 32, the bottom threaded connection of cardboard 32 has a limit bolt 33, the top of limit bolt 33 is contradicted in the bottom inboard of limit sliding seat 31, the top fixedly connected with of cardboard 32 drives and examines equipment mounting panel 34, the bottom swing joint of limit sliding seat 31 has a connecting rod 35, the bottom swing joint of connecting rod 35 has a lower connecting seat 36, the bottom welding of lower connecting seat 36 has a guard plate 37, the top right side welding of guard plate 37 has an upper connecting seat 38, the outside of guard plate 37 and the equal fixedly connected with antifriction strip 39 of bottom.
In this embodiment, as shown in fig. 1 and 2, a limiting sliding groove is formed in the bottom end of the limiting sliding seat 31, a sliding hole is formed in the middle of the limiting sliding seat 31, the connecting plate and the lower connecting seat 36 are connected with the bottom of the right end of the protection plate 37, the upper sliding seat 43, the lower sliding seat 44, the first connecting rod 45, the second connecting rod 46 and the upper connecting seat 38 are connected with the top of the right end of the protection plate 37, and the protection plate 37 and the anti-friction strip 39 provide isolation anti-friction protection.
In this embodiment, as shown in fig. 1 and 2, the damping mechanism 4 includes an upper damping spring 41 and a lower damping spring 42, the top end of the upper damping spring 41 and the bottom end of the lower damping spring 42 are respectively and fixedly connected to the top end and the bottom end of the damping stop lever 28, the bottom end of the upper damping spring 41 and the top end of the lower damping spring 42 are respectively and fixedly connected with an upper sliding seat 43 and a lower sliding seat 44, the middle parts of the upper sliding seat 43 and the middle part of the lower sliding seat 44 are both movably connected to the outer side of the damping stop lever 28, the top ends of the upper sliding seat 43 and the lower sliding seat 44 are respectively and movably connected with a first connecting rod 45 and a second connecting rod 46, the top ends of the first connecting rod 45 and the second connecting rod 46 are respectively connected to the front end and the rear end of the upper connecting seat 38, and energy generated by scraping and collision is transferred to the positions of the upper damping spring 41 and the lower damping spring 42 through the first connecting rod 45, the second connecting rod 46, the upper sliding seat 43 and the lower sliding seat 44, and the torsional stability of the device is realized through the torsional properties of the upper damping spring 41 and the lower damping spring 42.
In this embodiment, as shown in fig. 1 and 2, a movable hole is formed in the middle of the upper sliding seat 43, the length and the height of the upper sliding seat 43 are the same as those of the lower sliding seat 44, and the deflection stability adjustment of the protection plate 37 is realized through the matching of the upper sliding seat 43, the lower sliding seat 44 of the upper damping spring 41 and the lower damping spring 42.
The application method and the advantages of the invention are as follows: when the portable mobile wireless anti-friction device for pile frame of pile test for agricultural machine drivers is used, the working process is as follows:
as shown in fig. 1 to 5, according to the ground material, the modular installation mechanism 2 is fixed by inserting the support plate 1 into the soil or placing the support plate on the bottom surface of the concrete, the bottom end of the adjusting rod 24 is sleeved on the inner side of the positioning sleeve 22, the limiting sliding seat 31 is sleeved on the outer side of the adjusting rod 24, the position of the adjusting rod 24 and the positioning sleeve 22 is locked by the positioning bolt 25, the installation stability of the adjusting rod 24 is improved by matching the support 21, the supporting frame 23 and the limiting sleeve 26, and the installation of the adjusting rod 24 and the buffering limiting rod 28 is completed by the adjusting bolt 27.
The user will drive and examine the training equipment and install at the top of driving and examine equipment mounting panel 34, according to on-the-spot construction requirement and equipment installation design requirement adjustment stop bolt 33, rotate cardboard 32 and drive and examine equipment mounting panel 34 in the outside of spacing slide 31, easy operation is convenient.
The device is characterized in that the device is connected with the bottom of the right end of the protection plate 37 through the limit sliding seat 31, the connecting plate and the lower connecting seat 36, the upper sliding seat 43, the lower sliding seat 44, the first connecting rod 45, the second connecting rod 46 and the upper connecting seat 38 are connected with the top of the right end of the protection plate 37, the isolation anti-friction protection is provided through the protection plate 37 and the anti-friction strip 39, the device which is directly arranged on the top of the driving test device mounting plate 34 is prevented from being scraped when the agricultural machine is subjected to driving training, and the energy generated by scraping is transmitted to the positions of the upper cushioning spring 41 and the lower cushioning spring 42 through the first connecting rod 45, the second connecting rod 46, the upper sliding seat 43 and the lower sliding seat 44, so that the stability of the device is realized through the torsion resistance of the upper cushioning spring 41 and the lower cushioning spring 42.
When the bottom of the protection plate 37 encounters collision, the protection plate 37 completes the pushing of the driving examination device mounting plate 34 through the lower connecting seat 36, the connecting rod 35 and the limiting sliding seat 31, the driving examination device mounting plate 34 is pushed to the top end of the adjusting rod 24, and at the moment, the protection plate 37, the connecting rod 35, the adjusting rod 24, the buffering limiting rod 28, the first connecting rod 45 and the second connecting rod 46 form a protection frame, a buffering space is provided for the driving examination device mounting plate 34, and the driving examination device mounting plate 34 is guaranteed to be far away from a collision point at the bottom of the protection plate 37.
When the top of the protection plate 37 is impacted, the top of the protection plate 37 drives the first connecting rod 35 and the second connecting rod 35 when deflected towards the cushioning limit rod 28, the upper sliding seat 43 is pushed to slide towards the top of the cushioning limit rod 28 through the first connecting rod 35, the lower sliding seat 44 is pushed to slide towards the bottom end of the cushioning limit rod 28 through the second connecting rod 35, the upper cushioning spring 41 and the lower cushioning spring 42 start to compress and absorb collision capacity, at the moment, the bottom of the protection plate 37 starts to deflect outwards, the limiting sliding seat 31 is driven to slide towards the bottom of the adjusting rod 24 through the connecting rod 35, and the collision point at the top of the protection plate 37 is kept away from by the driving test equipment mounting plate 34.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an agricultural machinery driver portable wireless stake is examined stake frame and is used antifriction device, includes backup pad (1), its characterized in that: the top end of the supporting plate (1) is fixedly connected with a modularized installation mechanism (2), the outer side of the modularized installation mechanism (2) is movably connected with an anti-friction mechanism (3), and the top end and the bottom end of the modularized installation mechanism (2) are fixedly connected with a damping mechanism (4);
the modularized mounting mechanism (2) comprises a support (21), the bottom end of the support (21) is fixedly connected to the top end of a supporting plate (1), a positioning sleeve (22) and a supporting frame (23) are welded to the middle part and the outer side of the top end of the support (21) respectively, an adjusting rod (24) is sleeved on the inner side of the positioning sleeve (22), a positioning bolt (25) is connected to the outer side of the positioning sleeve (22) in a threaded manner, the bottom end of the positioning bolt (25) is abutted to the bottom end of the adjusting rod (24), a limiting sleeve (26) is welded to the top end of the supporting frame (23), an adjusting bolt (27) is fixedly connected to the top end of the adjusting rod (24), and the bottom end of the buffering limiting rod (28) is abutted to the top end of the adjusting rod (24);
the anti-friction mechanism (3) comprises a limit sliding seat (31), the middle part of the limit sliding seat (31) is movably connected to the outer side of an adjusting rod (24), a clamping plate (32) is movably connected to the outer side of the limit sliding seat (31), a limit bolt (33) is connected to the bottom end of the clamping plate (32) in a threaded mode, the top end of the limit bolt (33) is abutted to the inner side of the bottom end of the limit sliding seat (31), a driving test equipment mounting plate (34) is fixedly connected to the top end of the clamping plate (32), a connecting rod (35) is movably connected to the bottom end of the limit sliding seat (31), a lower connecting seat (36) is movably connected to the bottom end of the connecting rod (35), a protection plate (37) is welded to the bottom end of the lower connecting seat (36), an upper connecting seat (38) is welded to the right side of the top end of the protection plate (37), and an anti-friction strip (39) are fixedly connected to the outer side and the bottom end of the protection plate (37).
The utility model provides a damping mechanism (4) is including last damping spring (41) and lower damping spring (42), the top of going up damping spring (41) and the bottom of lower damping spring (42) are fixed connection respectively in the top and the bottom of damping gag lever post (28), the bottom of going up damping spring (41) and the top of lower damping spring (42) are fixedly connected with respectively and go up slide (43) and lower slide (44), the equal swing joint in the outside of damping gag lever post (28) in the middle part of last slide (43) and the middle part of lower slide (44), the bottom of going up slide (43) and the top of lower slide (44) are swing joint respectively have first connecting rod (45) and second connecting rod (46), the top of the bottom of first connecting rod (45) and second connecting rod (46) are swing joint respectively at the front end and the rear end of last connecting seat (38).
2. The anti-friction device for an agricultural machinery driver portable mobile wireless stake stand for stake examination of claim 1, wherein the anti-friction device comprises: reinforcing ribs are fixedly connected to the outer sides of the supporting plates (1), and the number of the supporting plates (1) is four.
3. The anti-friction device for an agricultural machinery driver portable mobile wireless stake stand for stake examination of claim 1, wherein the anti-friction device comprises: the top and the bottom of bradyseism gag lever post (28) are fixedly connected with limiting plate and lower limiting plate respectively, the equal fixedly connected with reinforcing plate of top and bottom of bradyseism gag lever post (28).
4. The anti-friction device for an agricultural machinery driver portable mobile wireless stake stand for stake examination of claim 1, wherein the anti-friction device comprises: the bottom of the limit sliding seat (31) is provided with a limit sliding groove, and the middle of the limit sliding seat (31) is provided with a sliding hole.
5. The anti-friction device for an agricultural machinery driver portable mobile wireless stake stand for stake examination of claim 1, wherein the anti-friction device comprises: the middle part of the upper sliding seat (43) is provided with a movable hole, and the length and the height of the upper sliding seat (43) are the same as those of the lower sliding seat (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110987617.7A CN113674590B (en) | 2021-08-26 | 2021-08-26 | Portable mobile type wireless anti-friction device for pile frame for pile test of agricultural machinery driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110987617.7A CN113674590B (en) | 2021-08-26 | 2021-08-26 | Portable mobile type wireless anti-friction device for pile frame for pile test of agricultural machinery driver |
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| CN113674590A CN113674590A (en) | 2021-11-19 |
| CN113674590B true CN113674590B (en) | 2023-07-21 |
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| CN110529700A (en) * | 2019-07-19 | 2019-12-03 | 陈锦华 | A kind of film shooting rocker arm video camera adjusting protective device |
| CN112281943A (en) * | 2020-10-27 | 2021-01-29 | 合肥学院 | Mining crawler excavation type loader and cushioning supporting device thereof |
| CN213974076U (en) * | 2020-12-08 | 2021-08-17 | 拓马安全科技(天津)有限公司 | Conveyer of scaffold frame production and processing usefulness |
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