CN114673718B - Linear motion equipment with mechanical self-locking device - Google Patents
Linear motion equipment with mechanical self-locking device Download PDFInfo
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- CN114673718B CN114673718B CN202210432699.3A CN202210432699A CN114673718B CN 114673718 B CN114673718 B CN 114673718B CN 202210432699 A CN202210432699 A CN 202210432699A CN 114673718 B CN114673718 B CN 114673718B
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- fixedly connected
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- stop
- telescopic device
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- 238000013508 migration Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/26—Locking mechanisms
- F15B15/261—Locking mechanisms using positive interengagement, e.g. balls and grooves, for locking in the end positions
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to linear motion equipment with a mechanical self-locking device, which comprises a frame, a moving part and a telescopic device, wherein a stop device is arranged on the frame; the frame is also provided with a support structure, the support structure is positioned on one side of the connecting block away from the telescopic device, one side of the support structure, which is close to the connecting block, is fixedly connected with a second hinging seat, a pressing plate is arranged on the second hinging seat, one end of the pressing plate is rotationally connected with the second hinging seat, the second hinging seat at the end of the pressing plate is provided with a limiting device, the other end of the pressing plate extends out of the second hinging seat, and the bottom of the end of the pressing plate is fixedly connected with a second convex clamping block.
Description
Technical Field
The invention belongs to the technical field of mechanical equipment, and particularly relates to linear motion equipment with a mechanical self-locking device.
Background
The conventional telescopic device, namely the hydraulic cylinder or the electric push rod, can realize linear reciprocating motion, so the conventional telescopic device is usually applied to linear motion equipment capable of driving the motion piece to horizontally move as a power source, at present, the conventional linear motion equipment usually comprises the motion piece, when the conventional linear motion equipment moves, the motion piece can horizontally move along a route set in the frame under the telescopic action of the telescopic device, specifically, when the telescopic device stretches, the conventional telescopic device can drive the motion piece to horizontally move in the stretching direction of the telescopic device, after the telescopic device stretches, the telescopic device usually only keeps the stretching state to fix the position of the motion piece, but the telescopic device suddenly damages the telescopic device after stretching and particularly means that the telescopic device loses the braking capability and cannot guarantee the stretching state of the telescopic device, for example, when an oil pipe of the hydraulic cylinder bursts, at the moment, the telescopic device cannot fix the position of the motion piece, and the motion piece can give a horizontal force to the motion piece under the action of external force, for example, when the motion piece is manually collided with the motion piece, so that the front and back sliding of the motion piece risks exist, and safety accidents are easy to cause, so the defects and disadvantages still exist in the prior art.
Disclosure of Invention
The invention aims to provide linear motion equipment with a mechanical self-locking device, and solves the problem that the conventional linear motion equipment taking a telescopic device as a power source is easy to cause safety accidents because the risk of forward sliding and backward sliding of a motion piece of the linear motion equipment exists when the telescopic device suddenly damages and loses the braking capability after stretching and cannot guarantee the stretching state of the telescopic device.
In order to solve the problems, the invention adopts the following technical scheme:
The utility model provides a rectilinear motion equipment with mechanical type self-locking device, includes the frame of level setting, sliding connection has the moving part that can follow frame horizontal migration in the frame, be provided with the telescoping device of horizontal distribution between moving part tip and the one end of frame, its characterized in that: the device comprises a frame, a moving part, a telescopic device, a fixed shaft, a connecting block, a first convex clamping block, a second convex clamping block, a first fixing block and a second fixing block, wherein the frame is provided with a stop device capable of preventing the moving part from exceeding the range; still install vertical distributed's supporting structure in the frame, supporting structure is located one side that telescoping device was kept away from to the connecting block, and one side fixedly connected with second articulated seat that supporting structure is close to the connecting block, be provided with the clamp plate on the second articulated seat, the clamp plate is close to the one end and the second articulated seat rotation of second articulated seat and is connected, and is provided with the stop device that is located the clamp plate top and can make the clamp plate keep horizontally on the second articulated seat of clamp plate this end, and the clamp plate other end extends to outside the second articulated seat, and the bottom fixedly connected with of clamp plate this end can with first protruding fixture block matched with protruding fixture block of second.
Further, the top surface of the first convex clamping block is an arc-shaped surface protruding to the top of the first convex clamping block, the bottom surface of the second convex clamping block comprises a horizontal plane and a first inclined plane and a second inclined plane which are arranged on two sides of the horizontal plane in a relative mode, the second inclined plane is located on one side, close to the second hinging seat, of the second convex clamping block, and the lower side of the second inclined plane is connected with the horizontal plane.
Further, the one end fixedly connected with horizontal distribution's of second articulated seat is kept away from to the clamp plate dog, the dog is perpendicular with the clamp plate, and the dog both ends all extend to the clamp plate outside.
Further, the connecting block is provided with a waist-shaped through hole which is arranged in parallel with the connecting block and sleeved on the fixed shaft through the waist-shaped through hole.
Further, the telescopic device is a hydraulic cylinder or an electric push rod, one end of the telescopic device, which is close to the rack, is hinged to the rack, a sleeve which is coaxially arranged with the connecting block is fixedly connected with one end of the connecting block, which is close to the telescopic device, and the sleeve is in threaded connection with one end of the telescopic device, which is far away from the rack.
Further, the frame comprises two long side beams which are horizontally arranged oppositely, first supporting legs which are vertically distributed are fixedly connected to two ends of each long side beam, a short side beam which is horizontally arranged is fixedly connected between one end of each long side beam, a telescopic device is arranged between the short side beam and a connecting block, guide grooves which are parallel to the long side beams and equal in length are formed in the side faces of the opposite sides of the two long side beams, the moving piece comprises a moving frame which is positioned in the frame and is parallel to the frame, the moving frame is a rectangular frame, two sides of the moving frame are respectively connected with the long side beams in a sliding mode, two guide plates which are horizontally arranged oppositely are fixedly connected to one sides of the moving frame, which are close to the long side beams, and the guide plates are respectively positioned in the guide grooves; the movable frame comprises a head end and a tail end, two L-shaped connecting plates which are horizontally and oppositely distributed are fixedly connected to the head end of the movable frame, a horizontally distributed supporting beam is fixedly connected between one ends, far away from the movable frame, of the two L-shaped connecting plates, and the fixing base is fixedly connected to the supporting beam.
Further, the supporting structure comprises two second supporting legs which are vertically and oppositely distributed, the two second supporting legs are respectively located on the long side beams and are fixedly connected with the long side beams, a horizontal distribution cross beam is fixedly connected between the top ends of the two second supporting legs, one side of the cross beam, which is close to the connecting block, is fixedly connected with the second hinging seat, the second hinging seat comprises two oppositely arranged fixing plates, a pressing plate is arranged between the two fixing plates, one end, which is close to the second hinging seat, of the pressing plate is respectively and rotatably connected with the fixing plates, the limiting device comprises a limiting plate which is located above the hinging ends of the pressing plate and is horizontally distributed, the limiting plate is located between the two fixing plates and is fixedly connected with the fixing plates, a limiting bolt which is vertically distributed is in threaded connection with the limiting plate, the screw end of the limiting bolt passes through the limiting plate and then is in butt joint with the hinging end of the pressing plate, and a limiting nut is further in threaded connection on the screw rod of the limiting bolt.
Further, the stop device is a first stop beam which is arranged parallel to the short side beam, the first stop beam is positioned at one end of the long side beam, which is far away from the short side beam, and two ends of the first stop beam are fixedly connected with the long side beam respectively.
Further, the stop device is a second stop beam parallel to the short side beam, the second stop beam is located on the frame below the pressing plate, two ends of the second stop beam are fixedly connected with the long side beam respectively, stop bolts which are horizontally distributed and penetrate through the second stop beam are connected to the second stop beam in a threaded mode, and the stop bolts correspond to one of the fixing seats in position.
Further, the equal fixedly connected with of both ends of supporting beam is relative to the L type of falling prevention board that sets up, the L type of falling prevention board that falls includes vertical plate and transverse plate, vertical plate and supporting beam fixed connection, transverse plate and vertical plate top perpendicular fixed connection, and the one end that vertical plate was kept away from to transverse plate is located long boundary beam top.
By adopting the technical scheme, the invention has the beneficial effects that:
the moving part, the frame and the telescopic device have the same structure as those of the conventional linear movement equipment; when the invention is used, the frame can be horizontally arranged on the ground or erected at a high position; the invention takes the extending direction of the telescopic device as the positive direction and the retracting direction as the negative direction; firstly, a stop device is arranged on a frame, namely, after the telescopic device is fully extended, the stop device can stop the moving part from continuously moving forwards, so that when the telescopic device is suddenly damaged after extension and loses the braking capability, the extending state of the telescopic device cannot be ensured, the moving part only runs back under the action of horizontal external force; the first convex clamping block is abutted to one side of the second convex clamping block far away from the second hinging seat in the extending process of the telescopic device, one end of the pressing plate far away from the second hinging seat is jacked upwards, after the telescopic device is completely extended, the pressing plate is in an initial horizontal state under the action of self gravity and is located between the two fixed seats, at the moment, one side of the second convex clamping block close to the second hinging seat is abutted to the first convex clamping block to be in a locking state, so that when the telescopic device is damaged and loses the braking capability of the telescopic device, the risk of sliding can be reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 with a partial enlargement at A;
FIG. 3 is a schematic view of the automatic lock in FIG. 2;
FIG. 4 is a schematic diagram of a portion of the apparatus of FIG. 1;
FIG. 5 is a schematic view of the structure of FIG. 4 in a separated state;
FIG. 6 is an enlarged schematic view of the structure of FIG. 4B;
FIG. 7 is a second schematic diagram of a portion of the apparatus of FIG. 1.
Reference numerals: 1. a connecting block; 11. the first convex clamping block; 12. waist-shaped through holes; 13. a sleeve; 2. a pressing plate; 21. the second convex clamping block; 22. a stop block; 3. a limiting device; 31. a limiting plate; 32. a limit bolt; 33. a limit nut; 4. a moving member; 41. a fixing seat; 42. a fixed shaft; 43. a moving rack; 44. a guide plate; 45. an L-shaped connecting plate; 46. a support beam; 47 inverted L-shaped anti-falling plates; 471. a vertical plate; 472. a transverse plate; 5. a frame; 51. a first leg; 52. a first hinge base; 53. a long side beam; 54. short side beams; 55. a guide groove; 6. a telescoping device; 7. a support structure; 71. a second leg; 72. a cross beam; 8. the second hinge seat; 81. a fixing plate; 9. a stop device; 91. a first stop beam; 92. a second stop beam; 93. and (5) stopping the bolt.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present invention more apparent, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 7, the invention provides a linear motion device with a mechanical self-locking device, which comprises a horizontally arranged frame 5, wherein a motion piece 4 capable of horizontally moving along the frame 5 is connected in a sliding manner in the frame 5, a horizontally distributed telescopic device 6 is arranged between the end part of the motion piece 4 and one end of the frame 5, and the motion piece 4, the frame 5 and the telescopic device 6 have the same structure as those in the prior conveying device; when the invention is used, the frame 5 can be horizontally arranged on the ground or erected at a high place; the invention takes the extending direction of the telescopic device 6 as the positive direction and the retracting direction as the negative direction, and the telescopic device 6 is a power source for horizontally moving the moving part 4 along the length direction of the frame 5; the machine frame 5 is provided with a stop device 9 capable of preventing the moving part 4 from overtraveling, one end of the moving part 4, which is close to the telescopic device 6, is fixedly connected with two fixed seats 41 which are vertically and oppositely distributed, a fixed shaft 42 which is horizontally distributed is fixedly connected between the two fixed seats 41, the fixed shaft 42 is sleeved with a connecting block 1 which is horizontally distributed, the telescopic device 6 is arranged between the connecting block 1 and the machine frame 5, and the top of one end, which is far away from the telescopic device 6, of the connecting block 1 is fixedly connected with a first convex clamping block 11; still install vertical distributed's supporting structure 7 on the frame 5, supporting structure 7 is located the connecting block 1 and keeps away from one side of telescoping device 6, and one side fixedly connected with second articulated seat 8 that supporting structure 7 is close to connecting block 1 is provided with clamp plate 2 on the second articulated seat 8, the one end that clamp plate 2 is close to second articulated seat 8 rotates with second articulated seat 8 to be connected, and be provided with on the second articulated seat 8 that is located clamp plate 2 top and can make clamp plate 2 keep horizontally stop device 3, the clamp plate 2 other end extends outside the second articulated seat 8, and the bottom fixedly connected with of clamp plate 2 this end can with first protruding fixture block 11 matched with second protruding fixture block 21, specifically, telescoping device 6 is after stretching completely, first protruding fixture block 11 will appear locking state with the protruding fixture block 21 of second.
The stopping device 9 is arranged on the frame 5, namely, after the telescopic device 6 is fully extended, the stopping device 9 can stop the moving part 4 from continuously moving forwards, so that when the telescopic device 6 is suddenly damaged after extension and loses the braking capability, the extending state of the telescopic device cannot be ensured, the moving part 4 only runs back under the action of horizontal external force; in order to cope with the risk, the fixed seat 41, the fixed shaft 42 and the connecting block 1 are arranged on the moving part 4, the first convex clamping block 11 is arranged on the connecting block 1, the bracket structure 7 is arranged on the frame 5, the second hinging seat 8 is arranged on the bracket structure 7, the second hinging seat 8 is rotationally connected with the pressing plate 2, the second convex clamping block 21 is arranged on the pressing plate 2, and the pressing plate 2 is ensured to be horizontal by the limiting device 3 in an initial state.
Further, as shown in fig. 1 to 3 and 7, the top surface of the first convex clamping block 11 is an arc surface protruding toward the top of the first convex clamping block 11, the bottom surface of the second convex clamping block 21 includes a horizontal plane, and a first inclined plane and a second inclined plane which are opposite to each other and are positioned on two sides of the horizontal plane, the second inclined plane is positioned on one side of the second convex clamping block 21 close to the second hinging seat 8, and the lower side of the second inclined plane is connected with the horizontal plane, specifically, when the telescopic device 6 is in the stretching process, the arc surface of the first convex clamping block 11 is abutted with the first inclined plane of the second convex clamping block 21, and meanwhile, one end of the pressing plate 2 far away from the second hinging seat 8 is lifted upwards; when the telescopic device 6 is fully extended, the pressing plate 2 will restore to the original horizontal state, and at this time, the second inclined surface of the second convex clamping block 21 will just abut against the arc surface of the first convex clamping block 11 to be in a locking state.
Further, as shown in fig. 1 to 3 and 7, one end of the pressing plate 2 away from the second hinge seat 8 is fixedly connected with a stop block 22 which is horizontally distributed, the stop block 22 is perpendicular to the pressing plate 2, and both ends of the stop block 22 extend out of the pressing plate 2, specifically, when the second convex clamping block 21 and the first convex clamping block 11 are in a locking state, one side of the extending end of the stop block 22, which is close to the pressing plate 2, will be respectively located out of one side of the fixing seat 41, which is close to the telescopic device 6, in such a setting mode, when the telescopic device 6 is damaged and loses the braking capability, the risk of backward sliding of the moving member 4 can be further reduced.
Further, as shown in fig. 1 to 3 and 7, the connecting block 1 is provided with a kidney-shaped through hole 12 parallel to the connecting block 1 and sleeved on the fixed shaft 42 through the kidney-shaped through hole 12, specifically, one end of the kidney-shaped through hole 12 close to the telescopic device 6 is taken as a head end, the other end is taken as a tail end, when the telescopic device 6 stretches and stretches in place, the fixed shaft 42 is positioned at the head end of the kidney-shaped through hole 12, when the telescopic device 6 normally retracts, the connecting block 1 firstly moves reversely through the kidney-shaped through hole 12, in the process of moving reversely, the arc-shaped surface of the first convex clamping block 11 abuts against the second inclined surface of the second convex clamping block 21, and meanwhile, one end of the pressing plate 2 far away from the second hinging seat 8 is jacked up, at this time, the first convex clamping block 11 and the second convex clamping block 21 can be automatically unlocked, namely, the invention can realize the functions of automatic locking and automatic unlocking only in the state that the telescopic device 6 works normally, and when the telescopic device 6 loses the manual braking ability.
Further, as shown in fig. 1 to 3, the telescopic device 6 is a hydraulic cylinder or an electric push rod, one end of the telescopic device 6, which is close to the frame 5, is hinged to the frame 5 through the first hinge seat 52, one end of the connecting block 1, which is close to the telescopic device 6, is fixedly connected with a sleeve 13 coaxially arranged with the connecting block 1, the sleeve 13 is in threaded connection with one end, which is far away from the frame 5, of the telescopic device 6, namely, a piston rod end of the telescopic device 6 is in threaded connection with the sleeve 13.
The specific structure of the frame 5 is as follows: as shown in fig. 1, fig. 4 and fig. 5, the frame 5 includes two long side beams 53 that are horizontally arranged in opposite directions, two ends of each long side beam 53 are fixedly connected with first supporting legs 51 that are vertically distributed, a short side beam 54 that is horizontally arranged is fixedly connected between one ends of the two long side beams 53, a telescopic device 6 is arranged between the short side beam 54 and the connecting block 1, guide grooves 55 that are parallel to the long side beams 53 and have equal length are formed in the side surfaces of opposite sides of the two long side beams 53, and the specific structure of the moving part 4 is as follows: as shown in fig. 1, 4 and 5, the moving member 4 includes a moving frame 43 located in the frame 5 and parallel to the frame 5, the moving frame 43 is a rectangular frame, two sides of the moving frame 43 are respectively connected with a long side beam 53 in a sliding manner, two guide plates 44 which are horizontally and oppositely arranged are fixedly connected to one side of the moving frame 43, which is close to the long side beam 53, and the guide plates 44 are respectively located in the guide grooves 55; the movable frame 43 comprises a head end and a tail end, the head end of the movable frame 43 is fixedly connected with two L-shaped connecting plates 45 which are horizontally and oppositely distributed, a support beam 46 which is horizontally distributed is fixedly connected between one ends of the two L-shaped connecting plates 45, which are far away from the movable frame 43, the support beam 46 is fixedly connected with the fixed seat 41, and the movable piece 4 can conveniently move horizontally along the long side beam 53 of the frame 5 under the drive of the telescopic device 6 by arranging the guide groove 55 and the guide plate 44.
The specific structure of the bracket structure 7 is as follows: as shown in fig. 1 to 5, the bracket structure 7 includes two vertically and oppositely distributed second supporting legs 71, the two second supporting legs 71 are respectively located on the long side beams 53 and fixedly connected with the long side beams 53, a horizontally distributed cross beam 72 is fixedly connected between the top ends of the two second supporting legs 71, one side of the cross beam 72, which is close to the connecting block 1, is fixedly connected with the second hinging seat 8, the second hinging seat 8 includes two oppositely arranged fixing plates 81, the pressing plate 2 is arranged between the two fixing plates 81, and one end, which is close to the second hinging seat 8, of the pressing plate 2 is respectively rotatably connected with the fixing plates 81; the specific structure of the limiting device 3 is as follows: as shown in fig. 1 to 6, the limiting device 3 includes a limiting plate 31 located above the hinged end of the pressing plate 2 and horizontally distributed, the limiting plate 31 is located between two fixing plates 81 and fixedly connected with the fixing plates 81, a vertically distributed limiting bolt 32 is in threaded connection with the limiting plate 31, the screw end of the limiting bolt 32 passes through the limiting plate 31 and then abuts against the hinged end of the pressing plate 2, and a limiting nut 33 is further in threaded connection with the screw of the limiting bolt 32, so that the limiting device 3 can keep the pressing plate 2 horizontal in an initial state in such a manner that one end of the pressing plate 2 away from the second hinged seat 8 is lifted up.
One of the stop means 9 is provided as follows: as shown in fig. 4 and 5, the stop device 9 is a first stop beam 91 disposed parallel to the short side beam 54, the first stop beam 91 is located at one end of the long side beam 53 away from the short side beam 54, and two ends of the first stop beam 91 are fixedly connected with the long side beam 53 respectively, specifically, after the telescopic device 6 is fully extended, one end of the moving member 4 away from the telescopic device 6, that is, the tail end of the moving frame 43 will just abut against the first stop beam 91, so that the moving member 4 can be prevented from continuously moving forward.
Another arrangement of the stop means 9 is as follows: as shown in fig. 1 to 3, the stop device 9 is a second stop beam 2 parallel to the short side beam 54, the second stop beam 92 is located on the frame 5 below the pressing plate 2, two ends of the second stop beam 92 are respectively fixedly connected with the long side beam 53, stop bolts 93 which are horizontally distributed and penetrate through the second stop beam 92 are connected to the second stop beam 92 in a threaded manner, the stop bolts 93 correspond to one of the fixing seats 41, specifically, after the telescopic device 6 is fully extended, the fixing seats 41 are abutted against the stop bolts 93 to prevent the moving part 4 from continuously moving forward; the number of the stopper bolts 93 may be two and correspond to the positions of the fixing seats 41, respectively, and in addition, the positions of the stopper bolts 93 may be adjusted on the second stopper beam 92 by rotating the stopper bolts 93, thus being more convenient to use.
Because the invention can horizontally erect the frame 5 at a high place when in use, as shown in fig. 1, 4 and 5, the two ends of the supporting beam 46 are fixedly connected with the opposite inverted-L-shaped anti-falling plates 47, the inverted-L-shaped anti-falling plates 47 comprise the vertical plates 471 and the transverse plates 472, the vertical plates 471 are fixedly connected with the supporting beam 46, the transverse plates 472 are vertically and fixedly connected with the tops of the vertical plates 471, and one ends of the transverse plates 472 far away from the vertical plates 471 are positioned above the long side beams 53, and the moving part 4 can be prevented from falling from the high place when accidents happen by arranging the inverted-L-shaped anti-falling plates 47.
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 embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which are all within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents.
Claims (5)
1. The utility model provides a rectilinear motion equipment with mechanical type self-locking device, includes the frame of level setting, sliding connection has the moving part that can follow frame horizontal migration in the frame, be provided with the telescoping device of horizontal distribution between moving part tip and the one end of frame, its characterized in that: the device comprises a frame, a moving part, a telescopic device, a fixed shaft, a connecting block, a first convex clamping block, a second convex clamping block, a first fixing block and a second fixing block, wherein the frame is provided with a stop device capable of preventing the moving part from exceeding the range; the frame is also provided with a vertically distributed support structure, the support structure is positioned at one side of the connecting block, which is far away from the telescopic device, one side of the support structure, which is close to the connecting block, is fixedly connected with a second hinging seat, a pressing plate is arranged on the second hinging seat, one end of the pressing plate, which is close to the second hinging seat, is rotationally connected with the second hinging seat, a limiting device which is positioned above the pressing plate and can keep the pressing plate horizontal is arranged on the second hinging seat at the end of the pressing plate, the other end of the pressing plate extends out of the second hinging seat, and a second convex clamping block which can be matched with the first convex clamping block is fixedly connected at the bottom of the end of the pressing plate;
the connecting block is provided with a waist-shaped through hole which is arranged in parallel with the connecting block and sleeved on the fixed shaft through the waist-shaped through hole;
One end of the pressing plate, which is far away from the second hinging seat, is fixedly connected with a stop block which is horizontally distributed, the stop block is vertical to the pressing plate, and both ends of the stop block extend out of the pressing plate;
The bottom surface of the second convex clamping block comprises a horizontal plane, a first inclined plane and a second inclined plane, wherein the first inclined plane and the second inclined plane are arranged on two sides of the horizontal plane in an opposite mode, the second inclined plane is positioned on one side, close to the second hinging seat, of the second convex clamping block, and the lower side of the second inclined plane is connected with the horizontal plane;
the frame comprises two long side beams which are horizontally and oppositely arranged, a short side beam which is horizontally arranged is fixedly connected between one end of each of the two long side beams, the telescopic device is arranged between the short side beam and the connecting block, the moving piece comprises a moving frame which is positioned in the frame and is parallel to the frame, the moving frame is a rectangular frame, and two sides of the moving frame are respectively connected with the long side beams in a sliding manner;
The second hinge seat comprises two fixed plates which are oppositely arranged, the pressing plate is arranged between the two fixed plates, one end of the pressing plate, which is close to the second hinge seat, is respectively connected with the fixed plates in a rotating way, the limiting device comprises limiting plates which are positioned above the hinge ends of the pressing plate and are horizontally distributed, the limiting plates are positioned between the two fixed plates and are fixedly connected with the fixed plates, limiting bolts which are vertically distributed are connected with the limiting plates in a threaded way, the screw rod ends of the limiting bolts penetrate through the limiting plates and then are abutted with the hinge ends of the pressing plate, and limiting nuts are connected with the screw rods of the limiting bolts in a threaded way;
The stop device is a first stop beam which is arranged in parallel with the short side beam, the first stop beam is positioned at one end of the long side beam far away from the short side beam, and two ends of the first stop beam are fixedly connected with the long side beam respectively;
The stop device is a second stop beam which is arranged parallel to the short-side beam, the second stop beam is positioned on the frame below the pressing plate, two ends of the second stop beam are fixedly connected with the long-side beam respectively, stop bolts which are horizontally distributed and penetrate through the second stop beam are connected to the second stop beam through threads, and the stop bolts correspond to one of the fixing seats.
2. A linear motion device having a mechanical self-locking means as claimed in claim 1, wherein: the telescopic device is a hydraulic cylinder or an electric push rod, one end of the telescopic device, which is close to the rack, is hinged with the rack, a sleeve which is arranged on the coaxial line of the connecting block is fixedly connected with one end of the connecting block, which is close to the telescopic device, and the sleeve is in threaded connection with one end of the telescopic device, which is far away from the rack.
3. A linear motion device having a mechanical self-locking means as claimed in claim 1, wherein: the two ends of each long side beam are fixedly connected with first supporting legs which are vertically distributed, the side surfaces of the opposite sides of the two long side beams are respectively provided with guide grooves which are parallel to the long side beams and have equal length, one side of the movable frame, which is close to the long side beams, is fixedly connected with two guide plates which are horizontally and oppositely arranged, and the guide plates are respectively positioned in the guide grooves; the movable frame comprises a head end and a tail end, two L-shaped connecting plates which are horizontally and oppositely distributed are fixedly connected to the head end of the movable frame, a horizontally distributed supporting beam is fixedly connected between one ends, far away from the movable frame, of the two L-shaped connecting plates, and the fixing base is fixedly connected to the supporting beam.
4. A linear motion device having a mechanical self-locking means as claimed in claim 3, wherein: the support structure comprises two second supporting legs which are vertically and oppositely distributed, the two second supporting legs are respectively located on the long side beams and fixedly connected with the long side beams, a cross beam which is horizontally distributed is fixedly connected between the top ends of the two second supporting legs, and one side, close to the connecting block, of the cross beam is fixedly connected with the second hinge seat.
5. A linear motion device having a mechanical self-locking means as claimed in claim 3, wherein: the anti-falling device is characterized in that the two ends of the supporting beam are fixedly connected with inverted-L-shaped anti-falling plates which are oppositely arranged, each inverted-L-shaped anti-falling plate comprises a vertical plate and a transverse plate, each vertical plate is fixedly connected with the supporting beam, each transverse plate is vertically and fixedly connected with the top of each vertical plate, and one end of each transverse plate, far away from each vertical plate, is located above the long boundary beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210432699.3A CN114673718B (en) | 2022-04-24 | 2022-04-24 | Linear motion equipment with mechanical self-locking device |
Applications Claiming Priority (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211089840U (en) * | 2019-12-12 | 2020-07-24 | 上海远电城市建设配套工程有限公司 | 5G communication base station control cabinet |
| CN111864468A (en) * | 2020-07-23 | 2020-10-30 | 中航光电科技股份有限公司 | Novel locking structure |
| CN216642890U (en) * | 2022-04-24 | 2022-05-31 | 新乡市博宇电气有限公司 | Linear motion equipment with mechanical self-locking device |
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| CN103195171B (en) * | 2013-04-15 | 2015-02-25 | 刘西嘉 | Concealed section beam-column connection structure |
| CN111264356B (en) * | 2017-11-30 | 2022-07-26 | 江苏华源节水股份有限公司 | Step-by-step formula reel sprinkling irrigation machine that rolls back |
| CN107761565A (en) * | 2017-12-05 | 2018-03-06 | 新乡市博宇电气有限公司 | A kind of bridge inspection vehicle becomes across steering automatic control system |
| CN109505097B (en) * | 2019-01-18 | 2021-01-26 | 温州天健电器有限公司 | Washing machine locking device and washing machine |
| CN213145526U (en) * | 2020-08-25 | 2021-05-07 | 大连北方炼化阀门有限公司 | Valve control device convenient to open |
| CN112335435A (en) * | 2020-11-03 | 2021-02-09 | 中山庆琏金属制品有限公司 | Telescopic handle assembly and gardening scissors |
| CN216056038U (en) * | 2021-11-09 | 2022-03-15 | 河南祥光电力集团有限公司 | Tensioning device for cable laying |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211089840U (en) * | 2019-12-12 | 2020-07-24 | 上海远电城市建设配套工程有限公司 | 5G communication base station control cabinet |
| CN111864468A (en) * | 2020-07-23 | 2020-10-30 | 中航光电科技股份有限公司 | Novel locking structure |
| CN216642890U (en) * | 2022-04-24 | 2022-05-31 | 新乡市博宇电气有限公司 | Linear motion equipment with mechanical self-locking device |
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