CN220037125U - Lock-free actuator connecting rod joint screw-connection length adjusting mechanism - Google Patents
Lock-free actuator connecting rod joint screw-connection length adjusting mechanism Download PDFInfo
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- CN220037125U CN220037125U CN202223464115.5U CN202223464115U CN220037125U CN 220037125 U CN220037125 U CN 220037125U CN 202223464115 U CN202223464115 U CN 202223464115U CN 220037125 U CN220037125 U CN 220037125U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 69
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000011065 in-situ storage Methods 0.000 claims abstract description 11
- 239000011295 pitch Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 14
- 230000033001 locomotion Effects 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 210000001503 joint Anatomy 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
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- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Abstract
The utility model discloses a lock-free actuator connecting rod connector threaded length adjusting mechanism, which has low adjusting and assembling difficulty, can realize in-situ adjustment and can improve the installation length adjusting precision of threaded connection, and the utility model is realized by the following technical scheme: the sleeve is screwed into the cylinder barrel through the screw sleeve connecting ring, the U-shaped fork lug joint of the pipe joint is screwed into the actuator cylinder through the screw sleeve connecting ring, and the sleeve is clamped by the inner clamping groove of the screw sleeve connecting ring and the outer clamping groove of the sleeveThe groove, the end-to-brake piece and the back cap of the locking nut are fastened to form an adjusting mechanism for adjusting the installation length of the threaded connection mechanism of the actuator in a stepped mode. Can realize "(P) Outer part ‑P Inner part ) In-situ stepwise adjustment of the n' high precision dimension. According to the utility model, in-situ adjustment is realized through the screwing of the U-shaped fork ear joint of the pipe joint, the adjustment precision of the installation length of the threaded connection can be improved, the structural stress distribution can be improved, and the working reliability of the structure can be increased.
Description
Technical Field
The utility model relates to a mounting length adjusting mechanism for an actuator cylinder in the fields of mechanical engineering and connecting structures, in particular to a lock-free actuator cylinder connecting rod joint screw-connection length adjusting mechanism capable of adjusting the mounting length of an undercarriage actuator cylinder and other moving components.
Background
The mechanical connection is divided into two main types of dynamic connection and static connection: the dynamic connection-the relative movement between the connected parts form a kinematic pair, and when the machine works, the connected parts can be connected, such as various kinematic pairs; the relative position between the static connection and the connected piece is unchanged, the connection piece is simply called as a connection, and the connected piece is connected. Static connection: when the machine is in operation, the parts are not allowed to be connected in a production mode. The coupling to adjust or withstand variable loads. The threaded connection mechanism is mainly used for fastening connection, sufficient tightness is guaranteed, and the threaded connection is generally required to be screwed down during assembly so as to enhance the reliability, compactness and anti-loosening capability of connection. During operation, the bolt connection bears transverse load, the bolt is sheared at the connection joint surface, and the bolt rod and the wall of the connected piece are mutually extruded. Under the action of impact, vibration and variable load, friction between threads of the connecting threads can suddenly disappear to influence normal operation. Under the condition of high temperature or large temperature change, the pretightening force and the friction force in the connection can be gradually weakened, and finally the connection looseness is caused. Because the friction between the screw thread pair and the supporting surface can be reduced or vanished instantaneously when the impact, vibration, load change and temperature change are large, the self-locking condition is not satisfied any more. This situation is repeated several times, which can loosen the connection, resulting in a machine that does not work properly or a serious accident. The load born by each circle of threads of the lock nut is unequal due to the stressed deformation of the bolt and the lock nut, the first circle of threads are stressed maximally and are reduced from circle to circle, the eighth circle of threads are hardly stressed, and the tenth circle is not used. The use of too thick a lock nut does not improve the threaded connection strength.
The modern aircraft landing gear retraction system generally uses hydraulic pressure as a normal retraction power source, so that the actuating cylinder is an energy conversion device for converting input hydraulic energy into mechanical energy and is a hydraulic actuating element for linear reciprocating motion (or swinging motion). The power part of the main mechanism of the actuator is to convert other types of energy into mechanical energy to drive the movement of the various parts of the machine. The cylinder barrel is a main body of the hydraulic cylinder, is a critical precise part with high processing difficulty of a hydraulic system, and the quality of the cylinder barrel directly influences the usability and reliability of a product. The precision of the piston rod cylinder level assembled in the cylinder barrel is commonly used for common threaded connection, and the standard threaded piston rod cylinder connecting piece (bolts and screws) is commonly selected as the precision of the level C. In order to ensure the assembly precision, the prior art generally adopts an assembly adjustment method, and the assembly adjustment method also comprises a fixed adjustment method and a movable adjustment method. The assembly adjustment method adopts a movable adjustment method, and an error offset adjustment method is adopted in the assembly for meeting the assembly precision requirement and for occasions which are difficult to ensure by other methods. The fixed adjustment method is to ensure the assembly accuracy by replacing adjusting parts with different sizes. The adjustment is very complicated, and the adjustment is not easy to be in an ideal state.
The actuator has high requirements on the precision, the installation, the adjustment and the maintenance of the elements. The piston rod cylinder is usually fastened on the machine body in the form of a shoulder by utilizing enough interference fit between the fastening end of the stud and the screw hole of the machine body, the connected piece is uniformly pressed, and after the assembly, pressure is generated between the matching surfaces of the containing piece and the contained piece due to elastic deformation of materials. The connecting structure is simple, good in centering and strong in bearing capacity, can bear alternating load and impact force, and can avoid the parts weakening the strength due to the fact that key grooves are machined, but has higher requirements on machining precision of the matching surfaces, is inconvenient to assemble and is difficult to improve working efficiency. In the conventional threaded connection, the prevention of thread loosening is always a practical problem, and some of the threaded connection is prevented by using a spring gasket, and other threaded connection is prevented by using a locking gasket, but in long-term use, the effect of the conventional locking mode is not ideal, and particularly, the conventional threaded connection has great potential safety hazards in the occasion of long-term bearing of variable load and in the oscillation environment.
The threaded connection is detachable fixed connection, has the advantages of simple structure, reliable connection, convenient assembly and disassembly and the like, is generally connected with a multi-purpose coarse thread, a fine thread is used for thin-wall parts and is also generally used for connection under variable load, vibration and impact load, the coarse thread is generally used for connection, the fine thread is generally used for adjustment and can also be used for fine adjustment mechanisms. In actual work, external load has vibration, change, high-temperature creep of materials and the like, friction force is reduced, positive pressure in a screw pair disappears at a certain moment, friction force is zero, and therefore screw connection is loosened, and therefore a conventional screw connector needs to be separated from adjustment, and adjustment accuracy is low. Although the common threads for connection have self-ballasting performance, the threads are not loosened under static load and thickness change, friction and load between thread pairs can be reduced or eliminated indirectly under impact, report, load change and high withdrawal, and finally the connection is invalid. The causes of failure of the threaded connection include loading, temperature, improper design, corrosion, etc. When the common screw thread is screwed down, the tensile force of the bolt is prolonged, so that the stress concentration of the screw thread near the supporting surface of the locking nut is caused, the compression load born by the locking nut also generates the same stress concentration phenomenon, and as the external load is increased, the bolt continues to be prolonged, the compression deformation of the connecting piece is reduced, and the connection failure is caused. The main failure mode of the threaded connection is relative sliding and separation between connected pieces, and the connection state can be roughly divided into normal, tangential sliding, normal separation and other states. At present, the torque control method is used for controlling the pretightening force to be the control method with highest economy, so that a large range of application is obtained, but when the relation between the pretightening force and pretightening torque is used for solving the torque coefficient K value, a simplified model is adopted for screw thread connection, the stress on the whole screw pair is considered to be equal, the model has great limitation, the stress condition of each circle of screw thread is different due to the actual condition, the obtained K value is inaccurate, the dispersion of the pretightening force obtained after pretightening is large, and the precision of the torque control method is influenced. Often in actual operation, many threads do not achieve the purpose of pre-tightening, and the reliability of equipment operation is greatly affected. The pretightening force is too large, so that the bearing capacity of the structure is reduced, and the screw thread yield, loosening and delayed fracture of the bolt can be generated under the action of load; insufficient pretightening force can generate gaps and looseness under the load action of the connected piece, so that the stress state of the bolt is changed, and the strength and fatigue strength of the bolt are reduced. Meanwhile, uneven pretightening force control can also lead to uneven stress of bolts, and individual bolts exceed design load, so that the overall strength of the bolt group is reduced, and the whole mechanical structure and equipment installation connection are invalid.
The actuator cylinder is a hydraulic actuator element which is an energy conversion device for converting input hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). When the landing gear is used for realizing reciprocating motion, a speed reducing device can be omitted, a transmission gap is avoided, and the output force of the hydraulic cylinder with stable motion is in direct proportion to the effective area of the piston and the pressure difference on two sides of the piston; the hydraulic cylinder basically consists of a cylinder barrel, a cylinder cover, a piston rod, a sealing device, a buffer device and an exhaust device. When the cylinder barrel works, the oil pressure in the cylinder barrel enables the inner surface of the cylinder wall to bear radial compressive stress, tangential tensile stress and axial tensile stress, wherein the tangential tensile stress has the greatest influence on the bearing capacity of the cylinder barrel, and the radial change of the stress along the cylinder barrel is uneven. The tangential tensile stress at the inner wall of the cylinder is the greatest and the tensile stress at the outer wall is the smallest. When the cylinder barrel and the piston rod barrel are assembled to butt joint the circumferential seam, the widths of the butt joint surfaces of the circumferential seam are larger, the roundness difference of the two parts is larger, the butt joint precision is required to be adjusted repeatedly, the short shell is not high in the adjustment precision from the butt joint surface of the piston rod barrel, the joint strength is reduced, and the stability and the quality are difficult to guarantee. Because the assembly accessibility and the visibility are poor, personnel are not facilitated to observe the assembly state of the product, the assembly quality cannot be ensured, and even serious defects are caused to influence the product quality. If the maturity of the assembly process technology is not high, the difficulty and the risk are high, and the installation requirement is difficult to meet. When the threaded connection is used for fine adjustment of the mounting length of the cylinder barrel, although any position adjustment can be realized, the conventional threaded connection structure needs to be separated from adjustment, and the adjustment precision is low. If the two connected components have structural loads in appearance and have relative position requirements, the adjustment is complicated, time and labor are wasted, the adjustment accuracy is poor, the adjustment difficulty is increased, the accuracy is low, and the adjustment accuracy is always only nP Pitch of thread And/2 ", often cannot meet the actual requirements.
The length-adjustable bolts generally do not allow the bolts to rotate or loosen during movement of the mechanism, which can otherwise cause jamming or failure of the movement mechanism, affecting the safety and reliability of the structure. At present, a common stop bolt connecting structure mainly comprises a bolt, a locking nut and a stop washer, and the connecting mode can effectively prevent the bolt from loosening for a non-moving component, but can not play a good role for the moving component. The threaded connection length adjustment assembly generally includes: a moving part and a fixed part. The transmission rod is split into two rod bodies, the movable rod is arranged on one of the rod bodies, and the fixed piece is arranged on the other rod body. The fixed part is connected with the movable part in a sliding way, and the sliding direction is consistent with the extending direction of the transmission rod. The aim of adjusting the whole length of the transmission rod is achieved by adjusting the relative positions of the moving part and the fixed part. At present, the length adjusting assembly has the defects that the adjustment of the length adjusting assembly needs to be operated along the extending direction of the transmission rod, for example, the moving part is pushed to displace along the extending direction of the rod body, when the installation depth of the transmission rod is large, enough operation space is difficult to be provided, and a linear gap for operation needs to be reserved, otherwise, sliding operation cannot be performed, the part layout space of the equipment is occupied, and the compact design is not facilitated.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides the structure which has the advantages of simple structure, adjustable length, low adjustment assembly difficulty, capability of realizing in-situ adjustment, capability of improving the adjustment precision of the installation length of the threaded connection and realization of higher-precision stepped adjustment. The problems that the conventional threaded connecting piece needs to be separated from and adjusted and the adjusting precision is low are effectively solved.
The technical scheme adopted for solving the technical problems is as follows: a lockless actuator linkage joint threaded length adjustment mechanism comprising: the sleeve non-locking actuator connecting rod joint threaded length adjusting mechanism 2 non-locking actuator connecting rod joint threaded length adjusting mechanism which is sealed in the cylinder barrel by a ring is adopted, and the threaded sleeve connecting ring non-locking actuator connecting rod joint threaded length adjusting mechanism 1 non-locking actuator connecting rod joint threaded length adjusting mechanism which is screwed in the sleeve non-locking actuator connecting rod joint threaded length adjusting mechanism 2 non-locking actuator connecting rod joint threaded length adjusting mechanism is characterized in that: the sleeve non-locking actuator connecting rod joint screw-on length adjusting mechanism 2 non-locking actuator connecting rod joint screw-on length adjusting mechanism is characterized in that the sleeve non-locking actuator connecting rod joint screw-on length adjusting mechanism is connected with the pipe joint U fork lug joint non-locking actuator connecting rod joint screw-on length adjusting mechanism 5 non-locking actuator connecting rod joint screw-on length adjusting mechanism in an actuator through a screw sleeve connecting ring non-locking actuator connecting rod joint screw-on length adjusting mechanism, an inner clamping groove non-locking actuator connecting rod joint screw-on length adjusting mechanism 3 non-locking actuator connecting rod joint screw-on length adjusting mechanism of the sleeve non-locking actuator connecting rod joint screw-on length adjusting mechanism, an outer clamping groove of the sleeve non-locking actuator connecting rod joint screw-on length adjusting mechanism 2 non-locking actuator connecting rod joint screw-on length adjusting mechanism, and an end direction brake non-locking actuator connecting rod joint screw-on length adjusting mechanism 6 non-locking actuator connecting rod joint screw-on length adjusting mechanism and a back-to-side brake actuator connecting rod joint screw-on length adjusting mechanism 4 form a screw-on length adjusting mechanism.
Compared with the prior art, the utility model has the following gain effects:
according to the utility model, the sleeve 2 with the ring sealed in the cylinder barrel is adopted, the threaded sleeve connecting ring 1 is screwed in the sleeve 2, the sleeve 2 is screwed in the sleeve 2 through the threaded sleeve connecting ring 1, and the adjusting mechanism for adjusting the installation length of the threaded connecting mechanism in a stepped mode is formed by fastening the inner clamping groove 3 of the threaded sleeve connecting ring 1, the outer clamping groove of the sleeve 2, the braking piece 6 and the locking nut 4, so that the high-quality, high-efficiency and high-precision connection can be realized, and the risk of manual high-strength assembly is avoided. The in-situ adjustment is realized through the screwing of the U-shaped fork ear joint 5 of the pipe joint, and the adjustment precision of the installation length of the threaded connection can be improved. The stress distribution of the structure can be improved, and the working reliability of the structure can be improved.
The utility model designs threads with different pitches on the inner circle and the outer circle of the screw sleeve connecting ring 1 to be used as the connecting sleeve 2The U-shaped pipe joint is screwed with the transition piece of the U-shaped fork lug joint 5 to form 1 clamping groove, thus realizing "(P) Outer part -P Inner part ) The stepped adjustment of n' can ensure the in-situ adjustment of the screw mechanism and improve the adjustment precision, thereby solving the problems that the conventional screw connection structure needs to be separated from adjustment and the adjustment precision is low and effectively improving the adjustment precision of the installation length of the U-shaped fork ear joint of the screw connection pipe joint.
According to the utility model, the adjusting mode of the length adjusting mechanism is converted into rotary operation by utilizing the U-shaped fork ear joint 5, the adjustment of the length adjusting mechanism is realized by rotating the U-shaped fork ear joint 5 in situ without operating along the extending direction of the transmission rod, even if the installation depth of the transmission rod is large, the adjustable length of the bolt with coordinated size in the assembly process can be easily operated, and no linear gap for operation is reserved, so that the occupation of the part layout space of equipment is reduced, the equipment assembly investment and the labor intensity of operators are greatly reduced, and the consistency and reliability of the connection quality of two sections are improved.
Drawings
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that those skilled in the art can easily practice the present utility model. It should be noted, however, that the utility model is not limited to the embodiments but can be implemented in many other ways. In the drawings, non-relevant portions of the specification are omitted to simplify the description, like reference numerals designate like parts throughout.
FIG. 1 is a cross-sectional view of a stepped adjustment screw actuator mounting length adjustment mechanism of the present utility model;
FIG. 2 is a top view of FIG. 1;
in the figure: 1 a screw sleeve, 2 an outer sleeve, 3 an inner clamping groove, 4 a locking nut, 5 a pipe joint U-shaped fork lug joint, 6 a braking piece and 7 an outer clamping groove.
The utility model will be further described with reference to the drawings and examples, without thereby restricting the utility model to the scope of the examples. All such concepts should be considered as being generic to the disclosure herein and to the scope of the utility model.
Detailed Description
See fig. 1 and 2. In the preferred embodiments described below, a lock-less actuator linkage joint threaded length adjustment mechanism comprises: the sleeve (2 lock-free actuator connecting rod joint screw length adjusting mechanism) with the ring sealed in the cylinder barrel is adopted, and a screw sleeve connecting ring (1 lock-free actuator connecting rod joint screw length adjusting mechanism in the sleeve (2 lock-free actuator connecting rod joint screw length adjusting mechanism, wherein: the sleeve (2 lock-free actuator connecting rod joint screw length adjusting mechanism connects the U-shaped fork lug joint (5 lock-free actuator connecting rod joint screw length adjusting mechanism) in the actuator through a screw sleeve connecting ring (1 lock-free actuator connecting rod joint screw length adjusting mechanism), an inner clamping groove (3 lock-free actuator connecting rod joint screw length adjusting mechanism, sleeve (2 lock-free actuator connecting rod joint screw length adjusting mechanism outer clamping groove, end-to-end braking piece (6 lock-free actuator connecting rod joint screw length adjusting mechanism) and a locking nut (4 lock-free actuator connecting rod joint screw length adjusting mechanism back cap fastening forms a step adjusting actuator threaded connecting mechanism mounting length adjusting mechanism) of the sleeve connecting rod (2 and the U-shaped fork lug joint 5 are used as a transition piece through different pitch threads designed for the inner circle and the outer circle of the screw sleeve connecting ring 1, the adjusting mechanism connects the U-shaped fork lug joint 5 with the actuator to the U-shaped fork lug joint 5 as a transition piece, the U-shaped fork joint 5 mounting length to be adjusted is adjusted by the screw joint length adjusting mechanism mounting groove (the U-shaped fork joint 5 is adjusted by the rotating joint length adjusting mechanism P) in a manner that the U-shaped fork joint length is adjusted by the rotating distance P of the U-shaped fork joint 5, "(6 lock-free actuator connecting rod joint screw length adjusting mechanism is adjusted by the U-shaped fork joint length adjusting mechanism, namely, the U-shaped fork joint length adjusting mechanism is adjusted by the rotating operation of the U-shaped fork joint length adjusting mechanism is adjusted by the U-shaped through the screw joint adjusting mechanism," Outer part -P Inner part ) And/n' high precision dimension in situ.
In the preferred embodiment described below, when the actuator to be adjusted is mounted at a distance from the U-shaped fork ear joint 5, the sleeve 2 and the threaded sleeve connecting ring 1 are not moved, and the number n of the clamping grooves and the internal and external threads of the threaded sleeve connecting ring 1 are respectively P Inner part 、P Outer part Different screw pitches, screw in and screw out pipe joint U fork ear joint 5 realizes P Inner part In situ stepwise adjustment of n "; when the installation distance between the actuator needing fine adjustment and the U-shaped fork lug joint 5 of the pipe joint is needed, the screw sleeve connecting ring 1 is screwed with 1 clamping groove, and the U-shaped fork lug joint 5 of the pipe joint is reversely screwed with 1 clamping groove, namely the sleeve 2 and the pipe jointThe U fork ear joint 5 is fixed in situ, and the screw sleeve connecting ring 1 is screwed into 1 clamping groove to realize "(P) Outer part -P Inner part ) Stepped adjustment of/n'.
The ring grooves in the diameter direction of the sleeve 2 are distributed with outer clamping grooves 7 for installing the braking pieces 6 to fix the relative angles of the pipe joint U-shaped fork lug joints 5, and the number n of the outer clamping grooves 7 and the number n of the inner clamping grooves 3 are equal.
While embodiments of the present utility model have been illustrated and described above, the embodiments of the present utility model have been described in detail, and the description of the embodiments is only for aiding in the understanding of the present utility model; also, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is not to be construed as limited by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. A lockless actuator linkage joint threaded length adjustment mechanism comprising: the sleeve (2) sealed in the cylinder barrel by the ring is adopted, and the screw sleeve connecting ring (1) screwed in the sleeve (2) is characterized in that: the sleeve (2) is screwed in the actuator through the screw sleeve connecting ring (1), and the adjusting mechanism for adjusting the installation length of the threaded connecting mechanism of the actuator in a stepped mode is formed by fastening an inner clamping groove (3) of the screw sleeve connecting ring (1), an outer clamping groove of the sleeve (2), an end-to-end braking piece (6) and a back cap of a locking nut (4).
2. The lock-less actuator linkage joint threaded length adjustment mechanism of claim 1, wherein: the adjusting mechanism is characterized in that the connecting sleeve (2) and the pipe joint U-shaped fork lug joint (5) are used as transition pieces through threads with different pitches designed for the inner circle and the outer circle of the threaded sleeve connecting ring (1), the installation distance of the actuator to be adjusted and the pipe joint U-shaped fork lug joint (5) is adjusted, 1 clamping groove is screwed, and the adjusting mode of the length adjusting mechanism is changed into rotary operation by utilizing the pipe joint U-shaped fork lug joint (5).
3. The lock-less actuator linkage joint threaded length adjustment mechanism of claim 1, wherein: the screw sleeve connecting ring (1) is screwed with 1 clamping groove, the pipe joint U-shaped fork lug connector (5) is reversely screwed with 1 clamping groove, namely the sleeve (2) and the pipe joint U-shaped fork lug connector (5) are in-situ immobilized, and the screw sleeve connecting ring (1) is screwed with 1 clamping groove, so that the stage adjustment is realized.
4. The lock-less actuator linkage joint threaded length adjustment mechanism of claim 1, wherein: the annular grooves in the diameter direction of the sleeve (2) are distributed with outer clamping grooves (7) for installing the braking pieces (6) so as to fix the relative angles of the pipe joint U-shaped fork ear joints (5), and the number n of the outer clamping grooves (7) and the number n of the inner clamping grooves (3) are equal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223464115.5U CN220037125U (en) | 2022-12-25 | 2022-12-25 | Lock-free actuator connecting rod joint screw-connection length adjusting mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223464115.5U CN220037125U (en) | 2022-12-25 | 2022-12-25 | Lock-free actuator connecting rod joint screw-connection length adjusting mechanism |
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| CN220037125U true CN220037125U (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223464115.5U Active CN220037125U (en) | 2022-12-25 | 2022-12-25 | Lock-free actuator connecting rod joint screw-connection length adjusting mechanism |
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| Country | Link |
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| CN (1) | CN220037125U (en) |
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2022
- 2022-12-25 CN CN202223464115.5U patent/CN220037125U/en active Active
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