CN110285117B - Quick butt joint locking device - Google Patents
Quick butt joint locking device Download PDFInfo
- Publication number
- CN110285117B CN110285117B CN201910497956.XA CN201910497956A CN110285117B CN 110285117 B CN110285117 B CN 110285117B CN 201910497956 A CN201910497956 A CN 201910497956A CN 110285117 B CN110285117 B CN 110285117B
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- locking
- butt joint
- connecting rod
- bolt
- inclined plane
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- 210000001503 joint Anatomy 0.000 title claims abstract description 63
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000003032 molecular docking Methods 0.000 description 15
- 238000009434 installation Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
- F16B1/02—Means for securing elements of mechanisms after operation
- F16B1/04—Means for securing elements of mechanisms after operation disengaged by movement of the actuating member of the element
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a quick butt joint locking device which comprises a butt joint platform, a locking unit and a driving cylinder, wherein the butt joint platform is used for butt joint with a structural member to be locked, and a dovetail groove is formed in the butt joint platform; the locking unit comprises a clamp, a connecting rod, a lock tongue, a dovetail block, a dovetail groove and a locking block, wherein the lock tongue comprises a base and a lock hook which are connected together, the lock hook is provided with a first inclined plane which is inclined relative to the longitudinal direction of the connecting rod, and a locking space is formed between the first inclined plane and the base; one end of the connecting rod is connected with the lock tongue, and the other end of the connecting rod is connected with an output shaft of the driving cylinder; the locking block is provided with a second inclined plane parallel to the first inclined plane. According to the invention, the first inclined plane of the lock tongue is matched with the second inclined plane of the locking block, the locking force of a structural part to be locked is larger and larger along with the movement of the driving cylinder in the inclined plane matching mode, the locking capacity is strong, the locking efficiency is high, and the working efficiency of the system can be greatly improved.
Description
Technical Field
The invention belongs to the field of locking devices, and particularly relates to a butt joint locking device.
Background
The butt joint locking device is a device which realizes butt joint of the two devices and tightly and fixedly connects the two devices together, the device has great requirements in various industries, along with the gradual promotion of industrialization and intelligent degree, people have higher and higher requirements on the efficiency of an engineering system, and the butt joint locking device not only needs to realize functions, but also ensures high efficiency and reliability.
The butt joint locking devices at home and abroad are infinite, but most of the butt joint locking devices at home and abroad are complex in structure, need to be matched with a sensor, and are high in cost, and although many butt joint locking device designs at home and abroad at present, the butt joint locking devices are generally in a claw shape, have more rod cones and lower structural bearing capacity, are mostly only suitable for butt joint locking of two small-sized light structural components, are narrow in application range, and are difficult to meet the use and use requirements under the conditions of high requirements on time indexes, large locking force and strict requirements on stability and reliability.
Disclosure of Invention
Aiming at the defects or the improvement requirements of the prior art, the invention provides a quick butt joint locking device which has strong locking capacity and high locking efficiency, can be completed in a short time from a state to be locked to a locking state and from the locking state to the state to be locked, and can greatly improve the working efficiency of a system.
To achieve the above object, according to one aspect of the present invention, there is provided a quick docking locking device, characterized by comprising a docking platform, a locking unit and a driving cylinder, wherein,
the butt joint platform is used for butt joint with a structural member to be locked, and a dovetail groove is formed in the butt joint platform;
the locking unit comprises a hoop, a connecting rod, a bolt, a dovetail block, a dovetail groove and a locking block,
the hoop is fixedly arranged on the butt joint platform, the connecting rod penetrates through an inner hole of the hoop, and a gap exists between the connecting rod and the hoop so that the connecting rod can move along the longitudinal direction of the connecting rod;
the lock tongue comprises a base and a lock hook which are connected together, the base is fixedly arranged on the dovetail block, the dovetail block is arranged at a dovetail groove of the butt joint platform, the lock hook is provided with a first inclined plane which is inclined relative to the longitudinal direction of the connecting rod, and a locking space is formed between the first inclined plane and the base;
the longitudinal direction of the connecting rod is consistent with the longitudinal direction of the dovetail groove, one end of the connecting rod is connected with the bolt, and the other end of the connecting rod is connected with the output shaft of the driving cylinder, so that the bolt is driven to move along the longitudinal direction of the connecting rod under the driving of the driving cylinder;
the locking block is used for being fixedly connected with a structural part to be locked, a second inclined plane parallel to the first inclined plane is arranged on the locking block, and the locking block can enter the locking space or leave the locking space when the driving cylinder drives the lock tongue to move, so that the first inclined plane compresses the second inclined plane or is separated from the second inclined plane, and the locking and unlocking of the structural part to be locked are realized.
Preferably, the locking unit has a plurality of locking units arranged in a row and having their connecting rods fixedly connected together, the connecting rod of the locking unit adjacent to the drive cylinder being connected to the output shaft of the drive cylinder.
Preferably, the butt joint platform includes the butt joint mount pad and is used for with the butt joint boss of waiting to lock the structure butt joint, the clamp is installed on the butt joint mount pad, the dovetail setting is in on the butt joint mount pad.
Preferably, the lock tongue is connected with the connecting rod through a T-shaped bolt, a T-shaped groove is formed in the base of the lock tongue, the head of the T-shaped bolt extends into the T-shaped groove, and the threaded rod part of the T-shaped bolt is in threaded connection with the connecting rod.
Preferably, the fastening bolt passes through the head of the T-shaped bolt and the base of the bolt and then is fixedly connected to the dovetail block.
Preferably, a reinforcing pipe is sleeved on the outer side of the threaded rod part of the fastening bolt, penetrates through the head of the T-shaped bolt and the base of the locking bolt, and is located above the dovetail block.
Preferably, the connecting rod is connected with the output shaft of the driving cylinder through a connecting seat.
Preferably, one end of the connecting rod close to the connecting seat is provided with an external thread, the end of the connecting rod is screwed into the connecting seat, and a double nut is arranged at the end for locking.
Preferably, the output shaft of the driving cylinder extends into the connecting seat, and the hinge pin penetrates through the connecting seat and the output shaft of the driving cylinder and is connected with the cotter pin, so that the connecting seat and the output shaft of the driving cylinder are hinged together.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
1) the driving cylinder drives the lock tongue to reciprocate, so that the first inclined surface of the lock tongue is matched with the second inclined surface of the locking block, the locking force of a structural part to be locked is larger and larger along with the movement of the driving cylinder in the inclined surface matching mode, the locking capacity is strong, the locking efficiency is high, the locking from the state to be locked to the locking state and the locking from the locking state to the state to be locked can be completed in a short time, and the working efficiency of the system can be greatly improved.
2) According to the invention, a plurality of locking units are arranged to lock a plurality of point positions of a structural member to be locked, and the butt joint locking is stable and reliable; the device is widely applied and suitable for structural members to be locked of various specifications and sizes, and the locking adopts a mode of attaching the first inclined plane and the second inclined plane, so that the precision requirement of the invention is relatively reduced.
Drawings
FIG. 1 is a schematic view of the invention with the locking block removed;
FIG. 2 is a schematic view of the present invention in docking with a structure to be locked;
FIG. 3 is a schematic view of the invention when locking a structure to be locked;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a cross-sectional view taken along line C-C of FIG. 3;
FIG. 7 is a cross-sectional view taken along line D-D of FIG. 3;
FIG. 8 is a view in the direction E of FIG. 3;
FIG. 9 is a schematic view of a clamp band of the present invention;
FIG. 10 is a schematic view of a dovetail block of the present invention;
FIG. 11 is a schematic view of a dovetail groove provided in the present invention;
fig. 12 is a schematic view of a locking bolt of the present invention;
fig. 13 is a schematic view of the connecting socket of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 13, a quick docking locking device comprises a docking platform, a locking unit and a driving cylinder 14, wherein,
the butt joint platform is used for butt joint with a structural part 13 to be locked, and a dovetail groove 4 is formed in the butt joint platform;
the locking unit comprises a hoop 1, a connecting rod, a bolt, a dovetail block 3, a dovetail groove 4 and a locking block 12, and,
the hoop 1 is fixedly arranged on the butt joint platform, the connecting rod passes through an inner hole of the hoop 1, and a gap exists between the connecting rod and the hoop 1, so that the connecting rod can move along the longitudinal direction of the connecting rod; a plurality of clamps 1 can be arranged to receive the connecting rod; a gap of about 2mm can be formed between the inner wall of the hoop 1 and the outer side of the connecting rod, so that the connecting rod can normally move, and if the device is in severe working environments such as shaking, vibration and impact, the connecting rod can be effectively prevented from jumping horizontally through radial limiting of the hoop 1, and the running stability of the device is ensured;
the lock tongue comprises a base and a lock hook which are connected together, the base is fixedly arranged on the dovetail block 3, the base and the dovetail block are preferably connected together by welding, the dovetail block 3 is arranged at a dovetail groove 4 of the butt joint platform, the lock hook is provided with a first inclined plane which is inclined relative to the longitudinal direction of the connecting rod, and a locking space is formed between the first inclined plane and the base;
the longitudinal direction of the connecting rod is consistent with the longitudinal direction of the dovetail groove 4, one end of the connecting rod is connected with the bolt, and the other end of the connecting rod is connected with the output shaft of the driving cylinder 14, so that the bolt is driven to move along the longitudinal direction of the connecting rod under the driving of the driving cylinder 14; the driving cylinder 14 has fast response and stable movement; the bottom and the waist of the dovetail block 3 are provided with small grooves which can be filled with lubricating grease, so that the dovetail block 3 and the dovetail groove 4 can slide smoothly relative to each other, and the groove bottom of the dovetail groove 4 is provided with a counter bore, so that the dovetail block 3 is convenient to mount and the sliding is not influenced;
the locking block 12 is used for being fixedly connected with a structural part 13 to be locked, a second inclined plane parallel to the first inclined plane is arranged on the locking block 12, and the locking block 12 can enter the locking space or leave the locking space when the driving cylinder 14 drives the lock tongue to move, so that the first inclined plane compresses the second inclined plane or is separated from the second inclined plane, and the locking and unlocking of the structural part 13 to be locked are further realized.
Further, the locking unit has a plurality of locking units arranged in a row and having their links fixedly connected together, and the link of the locking unit adjacent to the driving cylinder 14 is connected to the output shaft of the driving cylinder 14.
Further, the docking platform comprises a docking installation seat 16 and a docking boss 17 for docking with the structural member 13 to be locked, the clamp 1 is installed on the docking installation seat 16, the dovetail groove 4 is formed in the docking installation seat 16, and the docking boss 17 has a certain height, so that the structural member 13 to be locked is conveniently contacted with the docking boss 17 of the docking platform to realize docking.
Furthermore, the spring bolt is connected with the connecting rod through a T-shaped bolt, a T-shaped groove is formed in the base of the spring bolt, the head of the T-shaped bolt extends into the T-shaped groove, and the threaded rod part of the T-shaped bolt is in threaded connection with the connecting rod. Through setting up T type groove and T type bolt, can be so that the connection of spring bolt and connecting rod is more reliable.
Further, the fastening bolt passes through the head of the T-shaped bolt and the base of the bolt and then is fixedly connected to the dovetail block 3, so that the T-shaped bolt cannot fall off from the base of the bolt, the reinforcing pipe 10 is sleeved on the outer side of the threaded rod part of the fastening bolt, the reinforcing pipe 10 passes through the head of the T-shaped bolt and the base of the bolt, and the reinforcing pipe 10 is located above the dovetail block 3. If a plurality of locking units are provided, the bolt far away from the driving cylinder 14 is a first bolt 5, the bolt between the first bolt 5 and the driving cylinder 14 is a second bolt 6, the number of the T-shaped grooves formed in the base of the first bolt 5 is one less than that of the second bolt 6, and the number of the connecting holes for connecting fastening bolts is one less than that of the second bolt 6. The long link 8 and the short link 9 may be used according to the actual situation, and the difference between the two links is only the length difference. After the T-shaped bolt 7 is matched with the lock tongue, the reinforcing pipe 10 is plugged into the reserved holes of the T-shaped bolt 7 and the dovetail block 3 (the reinforcing pipe 10 is in clearance fit with the T-shaped bolt 7 and the dovetail block 3), and then the reinforcing pipe is fastened by fastening screws.
Further, the connecting rod is connected with the output shaft of the driving cylinder 14 through a connecting seat 11, an external thread is arranged at one end of the connecting rod close to the connecting seat 11, the one end of the connecting rod is screwed into the connecting seat 11 and is provided with a double nut at the one end for locking, the output shaft of the driving cylinder 14 extends into the connecting seat 11, and a split pin is connected after the hinge pin passes through the connecting seat 11 and the output shaft of the driving cylinder 14, so that the connecting seat 11 and the output shaft of the driving cylinder 14 are hinged together to transmit the pulling force of the driving cylinder 14.
The locking unit is arranged on a butt joint mounting seat 16, a butt joint boss 17 is welded on the butt joint mounting seat 16, a structural part 13 to be locked moves towards the butt joint mounting seat 16 until the end face of the structural part 13 to be locked is tightly attached to the butt joint boss 17, preliminary butt joint is completed, then a driving cylinder 14 acts to pull the locking unit to move, pressure is generated by attaching a first inclined surface of a lock tongue to a second inclined surface on a locking block 12, component force for pressing the locking block 12 is generated by decomposition, the locking unit moves along with the loading of the lock tongue, the structural part 13 to be locked is continuously attached to the butt joint boss 17, and the structural part 13 to be locked and the butt joint mounting seat 16 are considered to be locked until the preset stroke of the driving cylinder 14 is finished; during unlocking, the driving cylinder 14 drives the first inclined surface of the lock tongue to move in the opposite direction, the first inclined surface and the second inclined surface on the locking block 12 are separated until the lock tongue is separated from the locking block 12, and then the unlocking is completed when the locking structural part 13 can be separated from the butt joint mounting seat 16.
The device is simple in structure and action, is suitable for severe working environments such as shaking and vibration, can lock a plurality of point positions, and is stable and reliable in butt joint and locking; the device is widely applied, is suitable for structural parts 13 to be locked of various specifications and sizes, adopts an inclined surface attaching mode for locking, relatively reduces the precision requirement of the product, if each pair of connecting positions of the structural parts 13 to be locked have deviation, for example, 5 connecting positions, only 3 connecting positions can be simultaneously attached to the connecting boss 17, and a certain gap exists between the other two positions, the gap can be eliminated by the inclined surface matching mode, the device is corrected by the tension of the driving cylinder 14, has certain adaptability, and the decomposed horizontal locking force is larger than the rated output force of the driving cylinder 14 (under the condition that the pressure angle is 15 degrees, the horizontal locking force is twice of the rated output force of the driving cylinder 14); the device locking ability reinforce, locking efficiency is high, can accomplish in 1s from waiting to lock state to the lock state, can accomplish in 0.5s from the lock state to waiting to lock the state, can improve the work efficiency of system greatly, and the device is simple high-efficient easy reliable, very possesses realistic meaning.
When the reinforcing pipe 10 is unlocked, the driving cylinder 14 drives the connecting rod to move upwards, and the transmitted unlocking force is borne by the reinforcing pipe 10, so that the failure of the connecting piece screw due to the fact that the connecting piece screw bears the shearing force is avoided;
the driving cylinder 14 is installed on the driving cylinder installation seat 15, the driving cylinder installation seat 15 and the butt joint boss 17 are fixedly connected with the butt joint installation seat 16, relative displacement does not exist among the driving cylinder installation seat 15, the butt joint boss 17 and the butt joint installation seat 16, the locking device comprises 5 locking units (5 locking points are formed on the structural member 13 to be locked), the number of the locking points can be actually determined according to the specific conditions of the appearance, the required locking force and the like of the structural member 13 to be locked, and the butt joint locking device can be horizontally placed or vertically placed to lock the structural member 13 to be locked.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A quick butt joint locking device is characterized by comprising a butt joint platform, a locking unit and a driving cylinder, wherein,
the butt joint platform is used for butt joint with a structural member to be locked, and a dovetail groove is formed in the butt joint platform;
the locking unit comprises a hoop, a connecting rod, a bolt, a dovetail block, a dovetail groove and a locking block,
the hoop is fixedly arranged on the butt joint platform, the connecting rod penetrates through an inner hole of the hoop, and a gap exists between the connecting rod and the hoop so that the connecting rod can move along the longitudinal direction of the connecting rod;
the lock tongue comprises a base and a lock hook which are connected together, the base is fixedly arranged on the dovetail block, the dovetail block is arranged at a dovetail groove of the butt joint platform, the lock hook is provided with a first inclined plane which is inclined relative to the longitudinal direction of the connecting rod, and a locking space is formed between the first inclined plane and the base;
the longitudinal direction of the connecting rod is consistent with the longitudinal direction of the dovetail groove, one end of the connecting rod is connected with the bolt, and the other end of the connecting rod is connected with the output shaft of the driving cylinder, so that the bolt is driven to move along the longitudinal direction of the connecting rod under the driving of the driving cylinder;
the locking block is used for being fixedly connected with a structural part to be locked, a second inclined plane parallel to the first inclined plane is arranged on the locking block, and the locking block can enter the locking space or leave the locking space when the driving cylinder drives the lock tongue to move, so that the first inclined plane compresses the second inclined plane or is separated from the second inclined plane, and the locking and unlocking of the structural part to be locked are realized.
2. A quick butt lock apparatus according to claim 1, wherein the locking unit has a plurality of locking units arranged in a row and their links are fixedly connected together, and the link of the locking unit adjacent to the driving cylinder is connected to the output shaft of the driving cylinder.
3. A quick butt joint locking device according to claim 1, wherein the butt joint platform comprises a butt joint mounting seat and a butt joint boss for butt joint with a structural member to be locked, the clamp is mounted on the butt joint mounting seat, and the dovetail groove is formed in the butt joint mounting seat.
4. The quick butt locking device as claimed in claim 1, wherein the bolt is connected to the connecting rod through a T-shaped bolt, a T-shaped groove is formed in a base of the bolt, a head of the T-shaped bolt extends into the T-shaped groove, and a threaded rod of the T-shaped bolt is in threaded connection with the connecting rod.
5. The quick butt locking device as claimed in claim 4, wherein the fastening bolt is fixedly connected to the dovetail block after passing through the head of the T-bolt and the base of the locking tongue.
6. The quick butt locking device as claimed in claim 5, wherein a reinforcing pipe is sleeved on the outer side of the threaded rod part of the fastening bolt, the reinforcing pipe penetrates through the head of the T-shaped bolt and the base of the bolt, and the reinforcing pipe is located above the dovetail block.
7. A quick butt locking device according to claim 1 wherein the connecting rod is connected to the output shaft of the drive cylinder by a connecting seat.
8. A quick butt lock as claimed in claim 7 wherein the end of the connecting rod adjacent the connecting socket is externally threaded, the end of the connecting rod is screwed into the connecting socket and a double nut is provided at the end to lock.
9. A quick butt locking apparatus as claimed in claim 7 wherein the output shaft of the drive cylinder extends into the connecting socket and the hinge pin extends through the connecting socket and the output shaft of the drive cylinder to connect the split pin to the connecting socket and the output shaft of the drive cylinder to hinge the connecting socket and the output shaft of the drive cylinder together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497956.XA CN110285117B (en) | 2019-06-10 | 2019-06-10 | Quick butt joint locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497956.XA CN110285117B (en) | 2019-06-10 | 2019-06-10 | Quick butt joint locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110285117A CN110285117A (en) | 2019-09-27 |
| CN110285117B true CN110285117B (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910497956.XA Active CN110285117B (en) | 2019-06-10 | 2019-06-10 | Quick butt joint locking device |
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| CN (1) | CN110285117B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0252443A1 (en) * | 1986-07-07 | 1988-01-13 | MARS-ACTEL Société Anonyme dite: | Device to be fixed onto an extruded holder |
| CN2491641Y (en) * | 2001-07-17 | 2002-05-15 | 山西鸿基实业有限公司 | Connector for gearing and shaft of combing machine |
| CN1918016A (en) * | 2004-02-13 | 2007-02-21 | 约翰逊内部调节装置两合公司 | Component, in particular sun visor designed for use in a vehicle and method for producing a component |
| CN102562737A (en) * | 2012-01-12 | 2012-07-11 | 陈明池 | Fastener group structure |
| CN102954323A (en) * | 2012-11-12 | 2013-03-06 | 华南理工大学 | Controllable wedge pre-tightening mechanism for micro platform of compliant mechanism |
| CN202991721U (en) * | 2012-11-15 | 2013-06-12 | 创天昱科技(深圳)有限公司 | Fastener matching structure and separating shell |
| CN103354882A (en) * | 2011-01-06 | 2013-10-16 | B&R工程私营有限责任公司 | Lifting device |
| CN204533074U (en) * | 2015-01-14 | 2015-08-05 | 兰州理工大学 | A kind of automatic locking mechanism |
-
2019
- 2019-06-10 CN CN201910497956.XA patent/CN110285117B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0252443A1 (en) * | 1986-07-07 | 1988-01-13 | MARS-ACTEL Société Anonyme dite: | Device to be fixed onto an extruded holder |
| CN2491641Y (en) * | 2001-07-17 | 2002-05-15 | 山西鸿基实业有限公司 | Connector for gearing and shaft of combing machine |
| CN1918016A (en) * | 2004-02-13 | 2007-02-21 | 约翰逊内部调节装置两合公司 | Component, in particular sun visor designed for use in a vehicle and method for producing a component |
| CN103354882A (en) * | 2011-01-06 | 2013-10-16 | B&R工程私营有限责任公司 | Lifting device |
| CN102562737A (en) * | 2012-01-12 | 2012-07-11 | 陈明池 | Fastener group structure |
| CN102954323A (en) * | 2012-11-12 | 2013-03-06 | 华南理工大学 | Controllable wedge pre-tightening mechanism for micro platform of compliant mechanism |
| CN202991721U (en) * | 2012-11-15 | 2013-06-12 | 创天昱科技(深圳)有限公司 | Fastener matching structure and separating shell |
| CN204533074U (en) * | 2015-01-14 | 2015-08-05 | 兰州理工大学 | A kind of automatic locking mechanism |
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| CN110285117A (en) | 2019-09-27 |
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