CN115026860A - Mechanical arm for electrical installation - Google Patents
Mechanical arm for electrical installation Download PDFInfo
- Publication number
- CN115026860A CN115026860A CN202210947559.XA CN202210947559A CN115026860A CN 115026860 A CN115026860 A CN 115026860A CN 202210947559 A CN202210947559 A CN 202210947559A CN 115026860 A CN115026860 A CN 115026860A
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- Prior art keywords
- clamping
- plate
- rod
- trigger
- block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/0028—Gripping heads and other end effectors with movable, e.g. pivoting gripping jaw surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/02—Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian coordinate type
- B25J9/04—Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian coordinate type by rotating at least one arm, excluding the head movement itself, e.g. cylindrical coordinate type or polar coordinate type
Abstract
The invention relates to the field of mechanical arms, in particular to a mechanical arm for electrical installation. The clamping plate is vertically arranged and is arranged in a sliding mode along the length direction of the cross rod of the clamping block. The locking rod is arranged in the sliding cavity in a sliding mode, one end of each clamping spring is fixedly connected with the clamping plate, each trigger rod is inserted in one through hole in a sliding mode and can be meshed with one ratchet block, and when the trigger rods are meshed with the ratchet blocks, the ratchet blocks limit the trigger rods to move to one side far away from the axis of the connecting plate; push away crowded board initial state and lock pole contact for block the lock pole and slide to the trigger lever direction, and then make ratchet piece and trigger lever unmeshing, a plurality of compression spring settings are between grip block and grip block, compression spring's one end is connected with the grip block, the trigger lever on a plurality of centre gripping subassemblies is to having the effect of parcel by the cramping thing, thereby prevent to be dropped from the gripper jaw by the centre gripping object in the clamping process, thereby can improve the stability of device when carrying out the centre gripping operation to different shapes by the cramping thing.
Description
Technical Field
The invention relates to the field of mechanical arms, in particular to a mechanical arm for electrical installation.
Background
In modern manufacturing processes, mechanical grippers are widely used in the manufacturing process to replace human handling for high volume and high quality. Especially in the field of electrical installation, the mechanical arm is generally utilized to clamp an object to be installed, and then the installation greatly saves labor. However, when the existing clamping device clamps irregular workpieces with irregular surfaces, the clamping force of the clamping device for clamping different irregular workpieces is kept constant, and the clamping force of the clamping device for clamping workpieces is reduced due to the fact that the surfaces of the workpieces are provided with protrusions, so that the clamping stability is low when the clamping device clamps the workpieces with the protrusions on the surfaces.
Disclosure of Invention
The invention provides a mechanical arm for electrical installation, which aims to solve the problem of low clamping stability of the existing device on a workpiece.
The mechanical arm for electrical installation adopts the following technical scheme:
a mechanical arm for electrical installation comprises a movable arm and a clamping claw; the clamping claw comprises a connecting plate, a plurality of clamping blocks and a plurality of clamping components; the connecting plate is horizontally arranged on the movable arm; the connecting plate is provided with a plurality of sliding grooves which are uniformly distributed along the axial center circumference of the connecting plate; the sliding groove extends along the radial direction of the axis of the connecting plate; each clamping block is arranged in a sliding groove in a sliding manner; the upper end and the lower end of the clamping block extend horizontally to form cross bars which are parallel to each other; the cross bar extends towards the axis direction of the connecting plate; the clamping assembly comprises a clamping plate, a trigger rod, a plurality of compression springs, two locking rods, two clamping springs and a plurality of ratchet blocks; the clamping plate is vertically arranged and is arranged in a sliding manner along the length direction of the cross rod of the clamping block; a sliding cavity is arranged in the clamping plate, and a plurality of through holes are uniformly distributed along the vertical direction; the locking rods are slidably arranged in the sliding cavity, and the two locking rods are symmetrically arranged on two sides of the tube through hole; the clamping springs are arranged in the sliding cavity, one end of each clamping spring is fixedly connected with the clamping plate, and the other end of each clamping spring is fixedly connected with one locking rod; the plurality of ratchet blocks are uniformly distributed on the following rod along the vertical direction; the trigger rod is a ratchet rod; each trigger rod is inserted in one through hole in a sliding mode and can be meshed with one ratchet block, and when the trigger rods are meshed with the ratchet blocks, the ratchet blocks limit the trigger rods to move towards one side far away from the axis of the connecting plate; two pushing plates are arranged on the trigger rod; the pushing plate is in initial state contact with the locking rod and used for blocking the locking rod from sliding towards the trigger rod, so that the ratchet block and the trigger rod are not meshed, the compression springs are arranged between the clamping plate and the clamping block, one ends of the compression springs are connected with the clamping block, and the other ends of the compression springs are connected with the clamping plate.
Furthermore, the clamping assembly also comprises a transmission mechanism and a push rod; the ejector rod is horizontally arranged and is inserted on the clamping block in a sliding manner, one end of the ejector rod can be in contact with the clamping plate, and the ejector rod limits the clamping plate to move towards one side far away from the connecting plate when the ejector rod is in contact with the clamping plate; the transmission mechanism is connected with the clamping plate and the trigger rod and used for driving the ejector rod to move towards the clamping plate when the trigger rod slides towards one side far away from the axis of the connecting plate.
Further, the transmission mechanism comprises a transmission gear, a transmission rack, a connecting spring and a transmission plate; the ejector rod is provided with a rack; the transmission gear is rotationally arranged on the clamping block and meshed with the rack on the ejector rod so as to drive the ejector rod to move towards one side close to the connecting plate when the transmission gear rotates; the transmission plate is positioned between the clamping plate and the clamping block and is parallel to the clamping plate; the transmission plate is contacted with one end of the trigger rod close to the clamping block; one end of the connecting spring is fixedly connected with the clamping block, and the other end of the connecting spring is fixedly connected with the transmission plate; the transmission rack is meshed with the transmission gear, and one end of the transmission rack is fixedly connected with the transmission plate.
Furthermore, an arc-shaped plate is arranged at one end of each trigger rod close to the axle center of the connecting plate.
Furthermore, a pushing groove extends from the through hole; the pushing groove penetrates through the clamping plate along the axis direction of the through hole; the pushing plate is inserted into the pushing groove in an initial state to limit the locking rod; when the pushing plate slides out of the pushing groove along with the trigger rod, the pushing plate is enabled to release the limitation on the locking rod.
Furthermore, the pushing plate is in a right trapezoid plate shape, the lower bottom edge of the pushing plate is fixedly connected with the trigger plate, and the edge of the bevel edge is positioned on one side close to the axis of the connecting plate.
Furthermore, a limiting ring is fixedly arranged on the trigger rod; the initial state of the limiting ring is contacted with one side of the clamping plate close to the clamping block.
The invention has the beneficial effects that: the mechanical arm for electric installation comprises the movable arm and the clamping claw, and the clamping claw comprises a connecting plate, a plurality of clamping blocks and a plurality of clamping assemblies. In the initial state, the ratchet blocks on the two locking rods are not meshed with the trigger rod under the action of the pushing plate. The clamped object is positioned at the inner side of the structure formed by the surrounding of the plurality of clamping blocks, and the plurality of clamping blocks move towards the axis direction of the connecting plate along the corresponding sliding grooves. When a certain position on the surface of a clamped object protrudes towards a position far away from the axis, the sliding distance of the trigger rods at the corresponding positions along the through holes to the position far away from the axis of the connecting plate is larger, the pushing plates on the plurality of trigger rods do not block the locking rods any more, the two locking rods are close to each other under the action of the clamping spring, all ratchet blocks on the clamping rods are meshed with the corresponding trigger rods under the pushing of the clamping spring by the locking rods, and then the plurality of trigger rods drive the clamping plates to move towards one side close to the clamping blocks. The plurality of trigger bars and the convex parts on the surface of the clamped object are adapted, so that the trigger bars on the plurality of clamping assemblies have the effect of wrapping the clamped object, the clamped object is prevented from falling off from the clamping jaws in the clamping process, and the stability of the device in clamping operation of the clamped objects with different shapes can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a robot arm for electrical installation of the present invention;
FIG. 2 is a schematic view of a gripper of an embodiment of a robot arm for electrical installation according to the present invention;
FIG. 3 is a schematic view of a portion of a gripper of an embodiment of a robotic arm for electrical installation of the present invention;
FIG. 4 is a schematic view of a gripper assembly of a gripper jaw of an embodiment of a robotic arm for electrical installation according to the present invention;
FIG. 5 is a partial schematic view of a clamp assembly of an embodiment of a robotic arm for electrical installation of the present invention;
FIG. 6 is a schematic structural view of a trigger lever of an embodiment of a robot arm for electrical installation according to the present invention;
FIG. 7 is a schematic structural view of a drive mechanism of an embodiment of a robot arm for electrical installation of the present invention;
FIG. 8 is a schematic view of the internal structure of a clamping plate of an embodiment of a robot arm for electrical installation according to the present invention;
FIG. 9 is a schematic structural view of a gripper of an embodiment of a robot arm for electrical installation according to the present invention in an operating state;
in the figure: 100. a gripper jaw; 110. a connecting plate; 120. a clamping block; 121. a cross bar; 200. a clamping assembly; 210. a trigger lever; 211. an arc-shaped plate; 212. a limiting ring; 215. pushing the plate; 220. a clamping plate; 221. a lock lever; 222. a ratchet block; 223. a sliding cavity; 224. pushing the extrusion groove; 230. a compression spring; 231. a connecting spring; 233. a drive plate; 234. a drive rack; 235. pushing the push rod; 236. a transmission gear; 300. an object to be clamped; 400. a movable arm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
An embodiment of a robot arm for electrical installation according to the present invention, as shown in fig. 1 to 9, includes a movable arm 400 and a gripper 100; gripper jaw 100 includes a connecting plate 110, a plurality of gripper blocks 120, and a plurality of gripper assemblies 200. Connecting plate 110 sets up horizontally, and installs on digging arm 400, and digging arm 400 is used for driving connecting plate 110 free movement, and then drives gripper 100 free movement. The connecting plate 110 is provided with a plurality of sliding grooves which are uniformly distributed along the axial center circumference of the connecting plate 110. The sliding grooves are located on the lower surface of the connecting plate 110, extend along the radial direction of the axis of the connecting plate 110, and the number of the sliding grooves is four.
Each of the clamping blocks 120 is slidably disposed in one of the sliding grooves, and the clamping blocks 120 have a rod shape. The upper end and the lower end of the clamping block 120 extend horizontally to form a cross bar 121 which is parallel to each other, the cross bar 121 extends towards the axis direction of the connecting plate 110, the cross bar 121 and the clamping block 120 form a C-shaped block structure, and the upper end of the clamping block 120 is slidably mounted in a sliding groove. The movable arm 400 is provided with a control mechanism for driving the plurality of clamping blocks 120 to move on the movable slot synchronously.
The clamping assembly 200 includes a clamping plate 220, a trigger lever 210, a plurality of compression springs 230, two detent levers 221, two clamping springs, and a plurality of ratchet blocks 222. The clamping plate 220 is vertically arranged on the clamping block 120 between the two cross bars 121 of the clamping block 120, and can be slidably arranged along the length direction of the cross bars 121 of the clamping block 120, and the clamping plate 220 is parallel to the clamping block 120. Be equipped with the slip chamber 223 in the grip block 220, the inside cavity of grip block 220, and grip block 220 has a plurality of through holes along vertical direction equipartition, and the through hole runs through along the sliding tray direction with grip block 220, and the through hole is linked together with slip chamber 223. The locking rods 221 are slidably disposed in the sliding cavity 223, and the two locking rods 221 are symmetrically disposed at both sides of the tube through hole, and specifically, the two locking rods 221 can slide relatively in the sliding cavity 223, so that the two locking rods 221 can move close to or away from each other. The clamping springs are arranged in the sliding cavity 223, one end of each clamping spring is fixedly connected with the clamping plate 220, the other end of each clamping spring is fixedly connected with one locking rod 221, the two clamping springs in the initial state enable the two locking rods 221 to be in a mutually close state, so that when the locking rods 221 are pushed in the direction far away from the through holes, the locking rods 221 move in the direction far away from the through holes and drive the clamping springs to contract and store force. The plurality of ratchet blocks 222 are uniformly distributed on the follow rod along the vertical direction, and each ratchet block 222 is positioned in the through hole in a treatment state. The trigger rods 210 are ratchet rods, each trigger rod 210 is inserted into one through hole in a sliding manner and can be meshed with one ratchet block 222, when the trigger rod 210 is meshed with the ratchet block 222, the ratchet block 222 limits the trigger rod 210 to move towards one side far away from the axis of the connecting plate 110, so that when the trigger rod 210 moves towards one side far away from the axis of the connecting plate 110, the trigger rod 210 drives the clamping plate 220 to slide synchronously through the locking rod 221, and the clamping plate 220 moves towards one side close to the clamping block 120. The trigger rod 210 is provided with two pushing plates 215, the pushing plates 215 are in contact with the locking rod 221 in an initial state, and are used for blocking the locking rod 221 from sliding towards the trigger rod 210, and simultaneously blocking the two locking rods 221 from further approaching, so that the ratchet blocks 222 are not meshed with the trigger rod 210, when the plurality of trigger rods 210 slide towards the axis far away from the connecting plate 110 for a preset distance, the plurality of pushing plates 215 do not block the locking rod 221 any more, the two locking rods 221 approach each other under the action of the clamping spring, so that the locking rod 221 enables all the ratchet blocks 222 on the clamping rod to be meshed with the corresponding trigger rod 210 under the pushing of the clamping spring, and then the plurality of trigger rods 210 drive the clamping plate 220 to move towards one side close to the clamping block 120. When a certain position of the surface of the object 300 to be clamped protrudes away from the axis, the degree of contraction of the trigger rod 210 at the corresponding position is larger, so that the plurality of trigger rods 210 and the protruding position of the surface of the object 300 to be clamped are adapted, and the trigger rods 210 on the plurality of clamping assemblies 200 have a wrapping effect on the object 300 to be clamped, thereby preventing the object 300 to be clamped from falling off the clamping claw 100 in the clamping process. A plurality of compression springs 230 are disposed between the clamping plate 220 and the clamping block 120, and one end of the compression springs 230 is connected to the clamping block 120 and the other end is connected to the clamping plate 220.
In this embodiment, as shown in fig. 3-8, the clamping assembly 200 further includes a drive mechanism and an ejector pin 235. The ejector rod 235 is horizontally arranged and slidably inserted in the clamping block 120, one end of the ejector rod 235 can contact with the clamping plate 220, when the ejector rod 235 contacts with the clamping plate 220, the ejector rod 235 limits the clamping plate 220 to move towards one side far away from the connecting plate 110, when the clamping plate 220 is limited to slide, the clamping plate 220 and the clamping block 120 synchronously slide towards the clamped object 300, so as to clamp the clamped object 300, when the clamping plate 220 moves for a large distance, the clamping plate is limited by the ejector rod 235, at the moment, the moving distance of the clamping block 120 in the sliding groove is large, when the clamping block 120 drives the clamping plate 220 to move to the innermost end (one end close to the axis of the connecting plate 110) of the sliding groove, the clamping force of the clamped object 300 by the plurality of trigger rods 210 is small. On the contrary, when the moving distance of the clamping plate 220 is small, the pushing rod 235 limits the moving distance, and the clamping force of the plurality of clamping rods to the object 300 is large. The transmission mechanism is connected to the clamping plate 220 and the trigger rod 210, and is used for driving the ejector rod 235 to move towards the clamping plate 220 when the trigger rod 210 slides towards the side away from the axis of the connecting plate 110. The clamping plate 220 and the trigger lever 210 move synchronously when the pushing plates 215 of all the trigger levers 210 on the same clamping block 120 no longer limit the locking levers 221 on both sides. When the size difference of the concave-convex portion of the object 300 to be clamped is large, the distance difference of the movement of the trigger lever 210 relative to the clamping plate 220 is large, and the object 300 to be clamped is wrapped strongly, so that the stability of the object 300 to be clamped can be ensured by a small clamping force. When the size difference of the concave-convex part of the clamped object 300 is small, the wrapping performance of the plurality of trigger rods 210 on the clamped object is poor, so that the clamped object 300 can be clamped with large clamping force, and the self-adaptive adjustment effect is achieved.
In this embodiment, as shown in fig. 4 to 7, the transmission mechanism includes a transmission gear 236, a transmission rack 234, a link spring 231, and a transmission plate 233. The ejector rod 235 can be two, and a rack is arranged on the ejector rod 235. The number of the transmission gears 236 is two, the transmission gears 236 are rotatably disposed on the clamping block 120 and engaged with the rack on the push rod 235 so as to drive the push rod 235 to move to a side close to the connecting plate 110 when the transmission gears 236 rotate, two gear racks are disposed on the clamping plate 220, the transmission gears 236 are rotatably mounted on the gear racks, and each push rod 235 is engaged with one transmission gear 236. The driving plate 233 is disposed between the clamping plate 220 and the clamping block 120, and is parallel to the clamping plate 220, and the driving plate 233 is slidably disposed along the sliding groove. The driving plate 233 is in contact with an end of the trigger lever 210 near the grip block 120. One end of the connecting spring 231 is fixedly connected with the clamping block 120, the other end is fixedly connected with the driving plate 233, the driving plate 233 moves towards one side close to the clamping block 120 under the pushing of the trigger rod 210, so that the connecting spring 231 is compressed to accumulate force, and when the connecting spring 231 releases the elastic force, the trigger rod 210 is pushed to return to the initial state. The driving rack 234 is meshed with the driving gears 236, and one end of the driving rack is fixedly connected with the driving plate 233, and the driving rack 234 is located between the two driving gears 236 and is meshed with the two driving gears 236 at the same time.
In this embodiment, as shown in fig. 6, an arc plate 211 is disposed at one end of each trigger bar 210 close to the axis of the connecting plate 110, a circle center of the arc plate 211 is located on the trigger bar 210, the arc plate 211 is made of rubber, so that friction between the arc plate 211 and the object 300 to be clamped can be increased, and meanwhile, the object 300 to be clamped has a certain protection effect.
In this embodiment, as shown in fig. 1 to 2, a pushing groove 224 extends through the through hole, and the pushing groove 224 penetrates through the clamping plate 220 along the axial direction of the through hole. The pushing plate 215 is inserted into the pushing groove 224 in the initial state to limit the locking rod 221. When the pushing plate 215 slides out of the pushing groove 224 along with the trigger lever 210, the pushing plate 215 releases the restriction of the locking lever 221. The pushing plate 215 is in the shape of a right trapezoid, the lower bottom edge of the pushing plate 215 is fixedly connected with the trigger plate, the edge of the inclined edge is located on one side close to the axis of the connecting plate 110, and the locking rod 221 can be pushed towards the direction far away from the trigger rod 210 again through the recommended inclined edge when the trigger rod 210 is restored to the initial state. The trigger rod 210 is fixedly provided with a limiting ring 212; the retainer ring 212 initially contacts the clamping plate 220 on the side thereof adjacent the clamping block 120, thereby preventing the trigger lever 210 from pushing against the clamping plate 220.
In operation, initially, the two detent levers 221 of each clamping plate 220 are restrained by the corresponding plurality of push plates 215 such that the ratchet block 222 is not engaged with the corresponding trigger lever 210. The object 300 is positioned inside the structure surrounded by the plurality of gripper blocks 120, and the plurality of gripper blocks 120 are moved in the direction of the object 300 under the control of the control mechanism on the movable arm 400.
When the arc-shaped plate 211 on one of the trigger levers 210 contacts with the protruding portion of the object 300 to be clamped, the trigger lever 210 moves toward the clamping block 120 relative to the clamping plate 220 with the continuous movement of the clamping block 120. The trigger bar 210 pushed by the protruding portion first pushes the driving plate 233 to move synchronously, and the driving plate 233 drives the driving rack 234 to move toward the side close to the clamping block 120, thereby driving the two transmission gears 236 to rotate. The two transmission gears 236 rotate to drive the two corresponding ejector rods 235 to move to the side far away from the clamping block 120. Meanwhile, when the pushing plates 215 of all the trigger levers 210 on the same clamping plate 220 no longer limit the locking levers 221, the two locking levers 221 of the locking levers 221 approach each other, so that the ratchet blocks 222 on the locking levers 221 mesh with the corresponding trigger levers 210, and at this time, the trigger levers 210 and the clamping plate 220 move synchronously in a direction approaching the clamping blocks 120. At this time, the plurality of trigger levers 210 are adapted to the shape of the object 300 to be clamped, and when the push rod 235 contacts the clamping plate 220, the clamping plate 220 and the clamping block 120 move synchronously, and the amount of movement of the clamping block 120 toward the object 300 to be clamped is converted into the magnitude of the clamping force of the arc-shaped plate 211 to the object 300 to be clamped.
When the size difference of the concave-convex portion of the object 300 to be clamped is large, the distance difference of the movement of the trigger lever 210 relative to the clamping plate 220 is large, and the object 300 to be clamped is wrapped strongly, so that the stability of the object 300 to be clamped can be ensured by a small clamping force. When the size difference of the concave-convex part of the clamped object 300 is small, the wrapping performance of the plurality of trigger rods 210 on the clamped object is poor, so that the clamped object 300 can be clamped with large clamping force, and the self-adaptive adjustment effect is achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A mechanical arm for electrical installation is characterized in that: comprises a movable arm and a clamping claw; the gripper jaw comprises:
the connecting plate is horizontally arranged on the movable arm; the connecting plate is provided with a plurality of sliding grooves which are uniformly distributed along the axial center circumference of the connecting plate; the sliding groove extends along the radial direction of the axis of the connecting plate;
a plurality of clamping blocks, each clamping block is slidably arranged in one sliding groove; the upper end and the lower end of the clamping block extend horizontally to form cross bars which are parallel to each other; the cross bar extends towards the axis direction of the connecting plate;
the clamping assembly comprises a clamping plate, a trigger rod, a plurality of compression springs, two locking rods, two clamping springs and a plurality of ratchet blocks; the clamping plates are vertically arranged and are arranged in a sliding manner along the length direction of the cross rod of the clamping block; a sliding cavity is arranged in the clamping plate, and a plurality of through holes are uniformly distributed along the vertical direction; the locking rods are arranged in the sliding cavity in a sliding manner, and the two locking rods are symmetrically arranged on two sides of the tube through hole; the clamping springs are arranged in the sliding cavity, one end of each clamping spring is fixedly connected with the clamping plate, and the other end of each clamping spring is fixedly connected with one locking rod; the plurality of ratchet blocks are uniformly distributed on the following rod along the vertical direction; the trigger rod is a ratchet rod; each trigger rod is inserted in one through hole in a sliding mode and can be meshed with one ratchet block, and when the trigger rods are meshed with the ratchet blocks, the ratchet blocks limit the trigger rods to move towards one side far away from the axis of the connecting plate; two pushing plates are arranged on the trigger rod; the pushing plate is in initial state contact with the locking rod and used for blocking the locking rod from sliding towards the trigger rod, so that the ratchet block and the trigger rod are not meshed, the compression springs are arranged between the clamping plate and the clamping block, one ends of the compression springs are connected with the clamping block, and the other ends of the compression springs are connected with the clamping plate.
2. The robot arm for electric installation of claim 1, wherein:
the clamping assembly further comprises a transmission mechanism and a push rod; the ejector rod is horizontally arranged and is inserted on the clamping block in a sliding manner, one end of the ejector rod can be in contact with the clamping plate, and the ejector rod limits the clamping plate to move towards one side far away from the connecting plate when the ejector rod is in contact with the clamping plate; the transmission mechanism is connected with the clamping plate and the trigger rod and used for driving the ejector rod to move towards the clamping plate when the trigger rod slides towards one side far away from the axis of the connecting plate.
3. The robot arm for electrical installation of claim 2, wherein:
the transmission mechanism comprises a transmission gear, a transmission rack, a connecting spring and a transmission plate; the ejector rod is provided with a rack; the transmission gear is rotationally arranged on the clamping block and meshed with the rack on the ejector rod so as to drive the ejector rod to move towards one side close to the connecting plate when the transmission gear rotates; the transmission plate is positioned between the clamping plate and the clamping block and is parallel to the clamping plate; the transmission plate is contacted with one end of the trigger rod close to the clamping block; one end of the connecting spring is fixedly connected with the clamping block, and the other end of the connecting spring is fixedly connected with the transmission plate; the transmission rack is meshed with the transmission gear, and one end of the transmission rack is fixedly connected with the transmission plate.
4. The robot arm for electric installation of claim 1, wherein:
one end of each trigger rod, which is close to the axle center of the connecting plate, is provided with an arc-shaped plate.
5. The robot arm for electric installation of claim 1, wherein:
a pushing groove extends from the through hole; the pushing groove penetrates through the clamping plate along the axis direction of the through hole; the pushing plate is inserted into the pushing groove in an initial state to limit the locking rod; when the pushing plate slides out of the pushing groove along with the trigger rod, the pushing plate is enabled to release the limitation on the locking rod.
6. The robot arm for electrical installation of claim 5, wherein:
the pushing plate is in a right trapezoid plate shape, the lower bottom edge of the pushing plate is fixedly connected with the trigger plate, and the edge of the bevel edge is positioned on one side close to the axis of the connecting plate.
7. The robot arm for electrical installation of claim 1, wherein:
a limiting ring is fixedly arranged on the trigger rod; the initial state of the limiting ring is contacted with one side of the clamping plate close to the clamping block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210947559.XA CN115026860B (en) | 2022-08-09 | 2022-08-09 | Mechanical arm for electrical installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210947559.XA CN115026860B (en) | 2022-08-09 | 2022-08-09 | Mechanical arm for electrical installation |
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| CN115026860A true CN115026860A (en) | 2022-09-09 |
| CN115026860B CN115026860B (en) | 2022-11-04 |
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| CN202210947559.XA Active CN115026860B (en) | 2022-08-09 | 2022-08-09 | Mechanical arm for electrical installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117124304A (en) * | 2023-10-26 | 2023-11-28 | 昆明固佳自动化设备有限公司 | Automatic cleaning equipment for mechanical arm and smoke frame |
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