CN113003210A - Linkage type clasping clamp - Google Patents
Linkage type clasping clamp Download PDFInfo
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- CN113003210A CN113003210A CN202110315172.8A CN202110315172A CN113003210A CN 113003210 A CN113003210 A CN 113003210A CN 202110315172 A CN202110315172 A CN 202110315172A CN 113003210 A CN113003210 A CN 113003210A
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- 230000007246 mechanism Effects 0.000 claims abstract description 102
- 230000001360 synchronised effect Effects 0.000 claims abstract description 88
- 230000009021 linear effect Effects 0.000 claims abstract description 70
- 210000000078 claw Anatomy 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 description 11
- 230000001681 protective effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000002478 hand joint Anatomy 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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Abstract
A linkage type clasping clamp comprises a lower arm support, a linear sliding mechanism, a mechanical clamping arm and a synchronous limiting mechanism; at least three linear sliding mechanisms are uniformly distributed on the lower arm support, the moving directions of the linear sliding mechanisms face to the central position of the lower arm support, and each linear sliding mechanism is provided with a mechanical clamping arm which can move along with the sliding piece and synchronously clamp or loosen; the center of the lower arm support is provided with a synchronous limiting mechanism which is correspondingly connected with the plurality of linear sliding mechanisms and can ensure that the plurality of linear sliding mechanisms synchronously slide; the holding clamp can ensure the synchronism of the actions of a plurality of mechanical clamping arms, and the holding capacity of the mechanical clamping arms and the stability and the accuracy of linear actions are higher.
Description
Technical Field
The invention relates to the technical field of mechanical clamp equipment, in particular to a linkage type clasping clamp.
Background
The mechanical clamp or the mechanical claw is a mechanical device capable of replacing manpower to clamp an object, and is widely applied to robot operation, crane hoisting and the like; the mechanical clamp is used for clamping an object, and is related to the shape structure of the clamped object and the clamping and loosening design structure of the mechanical clamp, and the common mechanical clamp mainly comprises two clamping structures, namely a mechanical clamp simulating the rotation of a human hand joint and a mechanical clamp synchronously opening and closing and linearly moving, and the second mechanical clamp is obviously more suitable for hoisting a large cylindrical object; the traditional clasping clamp directly drives the mechanical clamp by a plurality of air cylinders or motors to clamp heavy objects, and the clamping capability and the accuracy of the mechanical clamp arm are influenced because the synchronization effect is poor only by the electric linkage between the air cylinders or the motors;
chinese patent (CN 20172168708102) discloses an electric internal holding clamping jaw mechanism, wherein a motor drives a ball screw to rotate, the ball screw pulls an inner cylinder to slide in an outer cylinder, the sliding of the inner cylinder drives a small clamping jaw and a connecting rod shaft to rotate, and finally the small clamping jaw is utilized to support the inner wall of a product, but the mechanism can only be used for carrying hollow cylindrical products and cannot carry solid cylindrical objects; therefore, in summary, there is a need in the market for a holding clamp that can ensure the synchronization of the actions of a plurality of mechanical clamp arms and has high holding capability of the mechanical clamp arms and high stability and accuracy of linear actions.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses a linkage type clasping clamp.
In order to achieve the purpose, the invention adopts the following technical scheme:
a linkage type clasping clamp comprises a lower arm support, a linear sliding mechanism, a mechanical clamping arm and a synchronous limiting mechanism; at least three linear sliding mechanisms are uniformly distributed on the lower arm support, the moving directions of the linear sliding mechanisms face to the central position of the lower arm support, and each linear sliding mechanism is provided with a mechanical clamping arm which can move along with the sliding piece and synchronously clamp or loosen; the center of the lower arm support is provided with a synchronous limiting mechanism which is correspondingly connected with the plurality of linear sliding mechanisms and can ensure that the plurality of linear sliding mechanisms synchronously slide;
preferably, a sliding cavity is arranged in the lower arm support, the linear sliding mechanism comprises a sliding rail assembly and a sliding trolley, the sliding rail assembly is composed of two clamping plates with parallel plate surfaces, the corresponding ends of the two clamping plates are detachably and fixedly connected through end plates, two rail grooves along the axial direction of the clamping plates are symmetrically arranged on the inner plate surfaces of the two clamping plates, and the rail grooves are correspondingly and slidably connected with the sliding trolley;
preferably, the sliding trolley comprises a trolley frame plate which is horizontally arranged, a plurality of lower rollers which can be abutted and rolled with the lower groove wall of the corresponding track groove and two upper rollers which can be abutted and rolled with the upper groove wall of the corresponding track groove are symmetrically arranged on two sides of the trolley frame plate, and the trolley frame plate is correspondingly connected with the mechanical clamping arm;
preferably, one end of the trolley frame plate is fixedly provided with a buffer block capable of abutting against the end plate, and the upper roller is positioned at the other end of the trolley frame plate;
preferably, the mechanical clamping arm comprises a driving mechanism, a screw, a driving slider, a bearing seat, a sliding rod and a driven slider, wherein the driving end of the driving mechanism is correspondingly connected with the head end of the screw, a rod body at the head end of the screw is correspondingly connected with the linear sliding mechanism, the rod body of the screw is provided with the driving slider, the tail end of the screw is correspondingly matched and connected with the bearing seat, the bottom surface of the bearing seat is provided with a positioning seat correspondingly connected with the head end of the sliding rod, the sliding rod is correspondingly coaxial with the screw, the rod body of the sliding rod is provided with the driven slider and a clamping plate for clamping a cylindrical heavy object, the driven slider is correspondingly connected with the driving slider through a connecting rod, the tail end of the sliding rod is provided with;
preferably, a plurality of drivers for driving the corresponding linear sliding mechanisms are arranged in the lower arm frame;
preferably, the mechanical clamping arm comprises a main shaft and a clamping rod; the head end of the main shaft is correspondingly connected with the sliding trolley through a push rod, the rod body of the head end is correspondingly hinged with the lower arm frame through a pin shaft, the tail end of the main shaft is correspondingly connected with the fixed end of a clamping rod, the clamping rod and the main shaft form a certain included angle, and the clamping end of the clamping rod correspondingly faces to the lower half part of the cylindrical heavy object;
preferably, the included angle between the clamping rod and the main shaft is 120-160 degrees;
preferably, the synchronous limiting mechanism comprises a turntable shaft, a rotating bearing, a synchronous turntable and synchronous connecting rods, the turntable shaft is fixedly arranged in the center of the bottom surface of the lower arm support, the rotating bearing is sleeved on the shaft body of the turntable shaft, the synchronous turntable is sleeved on the outer wall of the outer ring of the rotating bearing, a plurality of synchronous connecting rods are hinged to the outer edge of the synchronous turntable, and the other ends of the synchronous connecting rods are respectively hinged to corresponding linear sliding mechanisms;
preferably, the axle body of carousel axle is equipped with the shaft shoulder that is used for conflicting rolling bearing inner circle the inner, synchronous carousel central authorities are equipped with and are used for the installation and contradict the inner step through-hole of rolling bearing outer lane, rolling bearing's outer terminal surface is equipped with the spring retainer ring, the counter bore pore wall of synchronous carousel step through-hole is equipped with the ring groove that adaptation spring retainer ring card was gone into, the coaxial top cover that is used for conflicting rolling bearing inner circle outer end that is fixed with of interior face of carousel backplate.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention discloses a linkage type clasping clamp, which adopts a mode that a plurality of mechanical clamping arms synchronously move along the axial direction of corresponding slide rail assemblies to clasp, can ensure the stability and the accuracy of the linear action of the mechanical clamping arms through a linear sliding mechanism, and can ensure the synchronism of the mechanical clamping arms through a synchronous limiting mechanism, thereby ensuring the clamping capacity of the mechanical clamping arms to cylindrical heavy objects; in addition, the slide rail assembly in the linear sliding mechanism adopts a double-clamping-plate design, so that while the structural strength and the movement balance are ensured, a gap is reserved so as not to hinder the installation and the movement of the mechanical clamping arm, the sliding trolley is clamped between the slide rail assemblies and moves by utilizing the roller, the flexibility of the action of the mechanical clamping arm is greatly improved, and the stability of the action of the mechanical clamping arm is also improved due to the design structures of the upper roller and the lower roller of the sliding trolley and the matching structure between the upper roller and the track groove;
according to needs, through the synchronous carousel that sets up among the synchronous stop gear for linear sliding mechanism can drive synchronous carousel through synchronous connecting rod and rotate when being linear motion, can feed back to every linear sliding mechanism through every synchronous connecting rod when synchronous carousel rotates, makes the mechanical arm lock have better synchronism, thereby makes whole anchor clamps of holding tightly have better effect of holding tightly.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of a mechanical arm;
FIG. 3 is an enlarged view of the part A in FIG. 2;
FIG. 4 is an enlarged view of the portion B of FIG. 2;
FIG. 5 is a schematic structural view of a synchronous limiting mechanism;
FIG. 6 is a schematic view of the structure of the turntable shield;
FIG. 7 is an enlarged view of the structure of the portion C of FIG. 6;
fig. 8 is another structural schematic diagram of the mechanical clamping arm.
In the figure: 1. a lower arm support; 2. a linear sliding mechanism; 201. a slide rail assembly; 20101. a splint; 20102. an end plate; 20103. a track groove; 202. a sliding trolley; 20201. a trolley frame plate; 20202. a lower roller; 20203. an upper roller; 20204. a buffer block; 3. a mechanical clamping arm; 301. a drive mechanism; 302. a screw; 303. an active slider; 304. a bearing seat; 305. a slide bar; 306. a driven slider; 307. a claw piece; 308. a connecting rod; 309. a fixed seat; 3010. a protective shell; 3011. a wire slot; 3012. a main shaft; 3013. a clamping rod; 3014. positioning seats; 4. a synchronous limiting mechanism; 401. a turntable shaft; 402. a rotating bearing; 403. a synchronous turntable; 404. a synchronous connecting rod; 405. a connecting screw; 406. a turntable guard plate; 407. jacking and sleeving; 408. a spring collar; 5. a linkage rod.
Detailed Description
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
The linkage type clasping clamp described in the attached figures 1-8 comprises a lower arm support 1, a linear sliding mechanism 2, a mechanical clamping arm 3 and a synchronous limiting mechanism 4; at least three linear sliding mechanisms 2 are uniformly distributed on the lower arm support 1, and the number of the linear sliding mechanisms 2 determines the number of the mechanical arm supports 3, so that in order to ensure the clamping capacity of the mechanical arm supports 3, the number is set to three, four, five, six or eight, wherein six are the best, the moving directions of the linear sliding mechanisms 2 all face to the central position of the lower arm support 1, in addition, a sliding cavity is arranged inside the lower arm support 1, the linear sliding mechanism 2 comprises a slide rail assembly 201 and a sliding trolley 202, the slide rail assembly 201 is composed of two clamping plates 20101 with parallel plate surfaces, the slide rail assembly 201 adopts a double-clamping plate 20101 design, when the structural strength and the moving balance are ensured, a gap is reserved so as not to hinder the installation and the moving of the mechanical arm supports 3, the corresponding ends of the two clamping plates 20101 are detachably and fixedly connected through an end plate 20102, and the, the end plate 20102 is convenient to detach, the sliding trolley 202 is installed, the inner plate surfaces of the two clamping plates 20101 are symmetrically provided with two rail grooves 20103 along the axial direction of the clamping plates 20101, the rail grooves 20103 are used for supporting the sliding trolley 202 to move, the rail grooves 20103 correspondingly penetrate through the outer end surfaces of the corresponding clamping plates 20101 as required, the sliding trolley 202 is convenient to install from the penetrating end of the rail groove 20103, the rail grooves 20103 are correspondingly connected with the sliding trolley 202 in a sliding mode, and the sliding trolley 202 axially moves along the sliding rail assembly 201 to enable the mechanical clamping arms 3 to be close to or far away from each other, so that the actions of clamping and loosening are achieved, and the clamping device is very suitable for clamping large cylindrical objects;
according to the requirement, the sliding trolley 202 comprises a trolley frame plate 20201 which is horizontally arranged, a plurality of lower rollers 20202 which can be abutted against the lower groove wall of the corresponding track groove 20103 to roll are symmetrically arranged on two sides of the trolley frame plate 20201, an inverted V-shaped guide rail is fixed on the inner surface of the lower groove wall of the track groove 20103 according to the requirement, the lower rollers 20202 are arranged into V-shaped wheels matched with the guide rail, and the lower rollers 20202 are ensured to roll along the guide rail in a straight line; in addition, four lower rollers 20202 are symmetrically installed on two sides of the trolley frame plate 20201 to ensure that the sliding trolley 202 moves stably and has sufficient bearing capacity, and two upper rollers 20203 capable of abutting against and rolling with the upper groove walls of the corresponding track grooves 20103 are symmetrically installed on two sides of the trolley frame plate 20201 to prevent the sliding trolley 202 from moving up and down; according to the requirement, the inner end of the trolley frame plate 20201, which is provided with the upper roller 20203, is upwarped, so that the upper roller 20203 can be properly smaller; the upper roller 20203 is a non-metal wheel such as a nylon wheel, which facilitates the installation of the sliding cart 202 into the rail groove 20103, and the cart frame plate 20201 is correspondingly connected to the gripper arm 3;
in addition, a buffer block 20204 capable of abutting against the end plate 20102 is fixedly arranged at one end of the trolley frame plate 20201, and plays a role of buffering when the sliding trolley 202 moves to the end plate 20102 at the outer end of the slide rail assembly 201, the upper roller 20203 is positioned at the tail end of the trolley frame plate 20201, so that the upper roller 20203 can play a certain role of buffering when abutting against the end surface of the rail groove 20103, and the upper roller 20203 is positioned at the other end of the trolley frame plate 20201; the sliding trolley 202 is clamped between the sliding rail assemblies 201 and moves by using the rollers, so that the flexibility of the action of the mechanical clamping arm 3 is greatly improved, and the stability of the linear action of the mechanical clamping arm 3 is also improved by the design structures of the upper roller 20203 and the lower roller 20202 of the sliding trolley 202 and the matching structure between the upper roller 20203 and the rail groove 20103, so that the whole clasping clamp can have a better clasping effect; the middle of the lower plate surface of the trolley frame plate 20201 is connected with a connecting rod, the lower end of which extends out of the gap between the two corresponding clamping plates 20101, the width of the connecting rod is smaller than the gap between the two clamping plates 20101, the lower end of the connecting rod is fixedly connected with the upper end of the mechanical clamping arm 3, so as to ensure that the movement of the whole mechanical clamping arm 3 is not hindered, particularly, a plurality of drivers for driving the corresponding linear sliding mechanisms 2 are arranged in the lower arm support 1, if the mechanical clamping arm 3 does not have the capability of active action, the sliding trolley 202 is driven by the drivers to move along the sliding rail assembly 201, so that the plurality of mechanical clamping arms 3 can be driven to synchronously clamp or release, if the mechanical clamping arm 3 has the capability of active action, the drivers and the driving mechanisms 301 of the mechanical clamping arm 3 are adjusted to be in a synchronous state, so that the synchronism of, Cylinders, etc.;
each linear sliding mechanism 2 is provided with a mechanical clamping arm 3 which can move along with the sliding piece and synchronously clasp or loosen; in addition, the mechanical clamping arm 3 may be in practical application: the mechanical clamping arm 3 comprises a driving mechanism 301, a screw 302, a driving slider 303, a bearing seat 304, a sliding rod 305 and a driven slider 306, wherein the driving end of the driving mechanism 301 is correspondingly connected with the head end of the screw 302, the rotation of the screw 302 is controlled through the driving mechanism 301, the driving mechanism 301 comprises a motor, a speed reducer and a frequency converter according to needs, the output end of the speed reducer is correspondingly and drivingly connected with the head end of the screw 302, the frequency converter can control the positive and negative rotation of the output shaft of the motor, the speed reducer can increase the torque of the output shaft of the motor, and the power transmission of the motor can be better completed through the speed reducer because the screw 302 is correspondingly vertical to the output shaft of the motor; the rod body at the head end of the screw 302 is correspondingly connected with the linear sliding mechanism 2, so that the whole mechanical clamping arm 3 can perform stable and accurate linear motion, the rod body of the screw 302 is provided with the active sliding block 303, when the screw 302 rotates forwards, the active sliding block 303 rises along with the screw, when the screw 302 rotates backwards, the active sliding block 303 descends along with the screw, particularly, the screw 302 is externally provided with a protective shell 3010, a wire slot 3011 is arranged between the tail end of the protective shell 3010 and the fixed seat 309, the wire slot 3011 not only can play a role in strengthening the connection strength of the protective shell 3010 and the fixed seat 309, but also can be internally used for allowing cables to pass through, plays a role in intensively placing and protecting the cables, can prevent dust from influencing the sliding state between the screw 302 and the active sliding block 303 through the protective shell 3010 and can limit the rotation of the sliding block, so that the sliding block can only perform lifting movement along the screw 302, in particular, the shape of the wire slot 3011 is a V-shape, thereby improving the reliability of the wire slot 3011 itself;
the tail end of the screw 302 is correspondingly matched and connected with the bearing seat 304, the screw 302 can be driven to rotate independently through the matching of the bearing seat 304, other parts cannot be influenced, the bottom surface of the bearing seat 304 is provided with a positioning seat 3014 correspondingly connected with the head end of the slide bar 305, the positioning seat 3014 is used for fixing the head end position of the slide bar 305, the slide bar 305 is correspondingly coaxial with the screw 302, the rod body of the slide bar 305 is provided with a driven slide block 306 and a claw piece 307 used for clamping a cylindrical weight, in addition, the surface of the claw piece 307 is provided with anti-slip threads, the clamping capacity of the claw piece 307 for the cylindrical weight can be improved, the shape of the claw piece 307 is V-shaped, the contact area of the claw piece 307 and the cylindrical weight is improved, the whole clamping capacity of the clasping clamp is improved, the angle of the V-shaped is 150-shaped and 179 degrees, 175 degrees are optimal, the driven slide, according to the requirement, the number of the connecting rods 308 is multiple, the connection stability between the driving slider 303 and the driven slider 306 is further improved, the tail end of the sliding rod 305 is provided with a fixed seat 309, the driven slider 306 and the fixed seats 309 of two adjacent clamping claws are hinged to form a linkage rod 5, the driven sliders 306 simultaneously lift along the corresponding sliding rod 305, then the linkage rods 5 between the adjacent mechanical clamping arms 3 perform cross action, at the moment, the clamping force of the mechanical clamping arms 3 on an object is ensured by the linkage rods 5, and meanwhile, the mechanical clamping arms 3 can drive the corresponding linear sliding mechanisms 2 to synchronously move towards the centers of the lower arm supports 1, so that the grabbing operation on cylindrical heavy objects is finally completed, and in addition, the linear sliding mechanisms 2 perform passive action and only play a role in bearing; in addition, the linkage rod 5 is connected with the fixing seat 309 through a joint bearing, so that the flexibility of the action of the linkage rod 5 can be enhanced, and the friction force between the linkage rod 5 and the fixing seat 309 is small during the action, so that the abrasion of the linkage rod 5 is reduced, and the service life of the clamping device is prolonged;
or, the mechanical clamping arm 3 may also be in practical application: the mechanical clamping arm 3 comprises a main shaft 3012 and a clamping rod 3013; the head end of the main shaft 3012 is correspondingly connected with the sliding trolley 202 through a push rod, and the rod body at the head end is correspondingly hinged with the lower arm frame 1 through a pin shaft, the sliding trolley 202 drives the main shaft 3012 to rotate along a hinged point, i.e. the tail end of the main shaft 3012 is close to or far away from a cylindrical heavy object, the tail end of the main shaft 3012 is correspondingly connected with the fixed end of the clamping rod 3013, the clamping rod 3013 and the main shaft 3012 form a certain included angle, the clamping end of the clamping rod 3013 correspondingly faces to the lower half of the cylindrical heavy object, so that the clamping end of the clamping rod 3013 can be tightly attached to the outer wall surface of the middle part of the cylindrical heavy object in a; in addition, the mechanical arm 3 in this embodiment does not have the capability of active motion, so that the linear sliding mechanism 2 with a driver is required to drive the mechanical arm 3 to perform clamping motion, and the accuracy of linear motion of the mechanical arm 3 is ensured; particularly, the included angle between the clamping rod 3013 and the main shaft 3012 is 120-160 °, wherein the optimal included angle is 140 °;
the center of the lower arm support 1 is provided with a synchronous limiting mechanism 4 correspondingly connected with the plurality of linear sliding mechanisms 2, and the plurality of linear sliding mechanisms 2 are positioned on the same horizontal plane, the synchronous limiting mechanism 4 can further ensure that the plurality of linear sliding mechanisms 2 keep synchronous during action, and can limit the maximum sliding distance of the plurality of linear sliding mechanisms 2 to prevent the locking and clamping from occurring, according to requirements, the synchronous limiting mechanism 4 comprises a turntable shaft 401, a rotating bearing 402, a synchronous turntable 403 and a synchronous connecting rod 404, the center of the bottom surface of the lower arm support 1 is fixedly provided with the turntable shaft 401, the shaft body of the turntable shaft 401 is sleeved with the rotating bearing 402, the outer wall of the outer ring of the rotating bearing 402 is sleeved with the synchronous turntable 403, so that the synchronous turntable 403 can rotate relative to the turntable shaft 401 under the action of the rotating bearing 402, the outer edge of the synchronous turntable 403 is hinged with the plurality of synchronous connecting rods 404, by arranging the synchronous turntable 403, when the sliding trolley 202 does linear motion, the synchronous turntable 403 can be driven to rotate by the synchronous connecting rods 404, when the synchronous turntable 403 rotates, the synchronous turntable 403 can be fed back to each sliding trolley 202 by each synchronous connecting rod 404, so that the mechanical clamping arm 3 has better synchronism, the whole clamping fixture has better clamping effect, and the clamping of a plurality of linear sliding mechanisms 2 can be prevented, particularly, the synchronous connecting rods 404 are arranged as joint bearing connecting rods 308, the freedom degree of the motion of the synchronous connecting rods 404 can be improved, and the other ends of the synchronous connecting rods 404 are respectively hinged with the corresponding linear sliding mechanisms 2; according to the requirement, the outer end face of the turntable shaft 401 is coaxially and fixedly connected with a turntable guard plate 406 through a connecting screw 405, so that the dustproof effect can be achieved, and the synchronous turntable 403 can be prevented from falling off; in addition, the shaft body of the turntable shaft 401 is provided with a shaft shoulder for abutting against the inner end of the inner ring of the rotating bearing 402, the center of the synchronous turntable 403 is provided with a step through hole for installation and abutting against the inner end of the outer ring of the rotating bearing 402, the outer end face of the rotating bearing 402 is provided with a spring retainer 408, the counter bore wall of the step through hole of the synchronous turntable 403 is provided with an annular clamping groove which is clamped by the spring retainer 408, the inner plate face of the turntable protective plate 406 is coaxially fixed with a top sleeve 407 for abutting against the outer end of the inner ring of the rotating bearing 402, and the whole synchronous turntable 403 is ensured.
In addition, embodiment 1 of the present clasping clip is: the inner part of the lower arm support 1 is provided with a sliding cavity, the linear sliding mechanism 2 comprises a sliding rail assembly 201 and a sliding trolley 202, the sliding rail assembly 201 is composed of two clamping plates 20101 with parallel plate surfaces, the corresponding ends of the two clamping plates 20101 are detachably and fixedly connected through end plates 20102, the inner plate surfaces of the two clamping plates 20101 are symmetrically provided with two rail grooves 20103 along the axial direction of the clamping plates 20101, and the rail grooves 20103 are correspondingly and slidably connected with the sliding trolley 202; the sliding trolley 202 comprises a trolley frame plate 20201 which is horizontally arranged, a plurality of lower rollers 20202 which can contact with the lower groove wall of the corresponding track groove 20103 to roll and two upper rollers 20203 which can contact with the upper groove wall of the corresponding track groove 20103 to roll are symmetrically arranged on two sides of the trolley frame plate 20201, and the trolley frame plate 20201 is correspondingly connected with the mechanical clamping arm 3; the mechanical arm clamp 3 comprises a driving mechanism 301, a screw 302, a driving slider 303, a bearing seat 304, a sliding rod 305 and a driven slider 306, wherein the driving end of the driving mechanism 301 is correspondingly connected with the head end of the screw 302, the driving mechanism 301 is placed on the lower arm support 1, and the head end rod body of the screw 302 correspondingly fits through the middle of the trolley frame plate 20201, and the head end rod body of the screw 302 is correspondingly connected with the linear sliding mechanism 2, the rod body of the screw 302 is provided with a driving slide block 303, the tail end of the screw 302 is correspondingly fitted and connected with a bearing seat 304, the bottom end of the bearing seat 304 is correspondingly fixedly connected with the head end of a slide bar 305, the rod body of the slide bar 305 is provided with a driven slide block 306 and a claw piece 307 for clamping cylindrical heavy objects, the driven slide block 306 is correspondingly connected with the driving slide block 303 through a connecting rod 308, the tail end of the slide bar, a linkage rod 5 is hinged between the driven sliding block 306 and the fixing seats 309 of the two adjacent holding claws;
the synchronous limiting mechanism 4 comprises a turntable shaft 401, a rotating bearing 402, a synchronous turntable 403 and a synchronous connecting rod 404, the turntable shaft 401 is fixedly arranged in the center of the bottom surface of the lower arm frame 1, the rotating bearing 402 is sleeved on the shaft body of the turntable shaft 401, the synchronous turntable 403 is sleeved on the outer ring outer wall of the rotating bearing 402, a plurality of synchronous connecting rods 404 are hinged to the outer edge of the synchronous turntable 403, and the other ends of the synchronous connecting rods 404 are respectively hinged to the corresponding linear sliding mechanisms 2; in the clasping clamp with the structure, a driving source is positioned on the mechanical clamping arms 3, the driving sliders 303 on the mechanical clamping arms 3 are driven by corresponding driving mechanisms 301 to synchronously act, then the mechanical clamping arms 3 move along corresponding linear sliding mechanisms 2 under the action of the linkage rod 5, so that the multiple mechanical clamping arms 3 synchronously clasp cylindrical heavy objects or release the cylindrical heavy objects, and in addition, the synchronous connecting rod 404 and the synchronous turntable 403 of the synchronous limiting mechanism 4 can further improve the synchronism of the clasping clamp in the moving process of the sliding trolley 202;
the embodiment 2 of the clasping clamp is as follows: the inner part of the lower arm support 1 is provided with a sliding cavity and a plurality of drivers for driving the corresponding linear sliding mechanisms 2, each linear sliding mechanism 2 comprises a sliding rail assembly 201 and a sliding trolley 202, each sliding rail assembly 201 is composed of two clamping plates 20101 with parallel plate surfaces, the corresponding ends of the two clamping plates 20101 are detachably and fixedly connected through end plates 20102, the inner plate surfaces of the two clamping plates 20101 are symmetrically provided with two track grooves 20103 along the axial direction of the clamping plates 20101, and the track grooves 20103 are correspondingly and slidably connected with the sliding trolley 202; the sliding trolley 202 comprises a trolley frame plate 20201 which is horizontally arranged, a plurality of lower rollers 20202 which can contact with the lower groove wall of the corresponding track groove 20103 to roll and two upper rollers 20203 which can contact with the upper groove wall of the corresponding track groove 20103 to roll are symmetrically arranged on two sides of the trolley frame plate 20201, and the trolley frame plate 20201 is correspondingly connected with the mechanical clamping arm 3; the mechanical clamping arm 3 comprises a driving mechanism 301, a screw 302, a driving slider 303, a bearing seat 304, a sliding rod 305 and a driven slider 306, wherein the driving end of the driving mechanism 301 is correspondingly connected with the head end of the screw 302, the head end rod body of the screw 302 is correspondingly connected with the linear sliding mechanism 2, the rod body of the screw 302 is provided with the driving slider 303, the tail end of the screw 302 is correspondingly matched and connected with the bearing seat 304, the bottom end of the bearing seat 304 is correspondingly and fixedly connected with the head end of the sliding rod 305, the rod body of the sliding rod 305 is provided with the driven slider 306 and a claw piece 307 for clamping a cylindrical weight, the driven slider 306 is correspondingly connected with the driving slider 303 through a connecting rod 308, the tail end of the sliding rod 305 is provided with a fixed seat 309, and a linkage rod 5 is;
the synchronous limiting mechanism 4 comprises a turntable shaft 401, a rotating bearing 402, a synchronous turntable 403 and a synchronous connecting rod 404, the turntable shaft 401 is fixedly arranged in the center of the bottom surface of the lower arm frame 1, the rotating bearing 402 is sleeved on the shaft body of the turntable shaft 401, the synchronous turntable 403 is sleeved on the outer ring outer wall of the rotating bearing 402, a plurality of synchronous connecting rods 404 are hinged to the outer edge of the synchronous turntable 403, and the other ends of the synchronous connecting rods 404 are respectively hinged to the corresponding linear sliding mechanisms 2; in the clasping clamp with the structure, the mechanical clamping arms 3 and the linear sliding mechanisms 2 are provided with driving sources, so that the driving sliders 303 on the plurality of mechanical clamping arms 3 are driven by the corresponding driving mechanisms 301 to synchronously lift and descend, then the linkage rods 5 are driven to simultaneously contract or extend, at the moment, the plurality of linear sliding mechanisms 2 are also matched with the corresponding mechanical clamping arms 3 to move under the control of the drivers, the plurality of mechanical clamping arms 3 synchronously clasp cylindrical weights or loosen the cylindrical weights, the dual driving sources can further improve the clamping capacity of the clasping clamp on the cylindrical weights, but the synchronous action needs to be adjusted for a plurality of times, and in addition, the synchronous connecting rods 404 and the synchronous turntables 403 of the synchronous limiting mechanisms 4 can further improve the synchronism of the clasping clamp in the moving process of the sliding trolley 202;
the embodiment 3 of the clasping clamp is as follows: the inner part of the lower arm support 1 is provided with a sliding cavity and a plurality of drivers for driving the corresponding linear sliding mechanisms 2, each linear sliding mechanism 2 comprises a sliding rail assembly 201 and a sliding trolley 202, each sliding rail assembly 201 is composed of two clamping plates 20101 with parallel plate surfaces, the corresponding ends of the two clamping plates 20101 are detachably and fixedly connected through end plates 20102, the inner plate surfaces of the two clamping plates 20101 are symmetrically provided with two track grooves 20103 along the axial direction of the clamping plates 20101, and the track grooves 20103 are correspondingly and slidably connected with the sliding trolley 202; the sliding trolley 202 comprises a trolley frame plate 20201 which is horizontally arranged, a plurality of lower rollers 20202 which can contact with the lower groove wall of the corresponding track groove 20103 to roll and two upper rollers 20203 which can contact with the upper groove wall of the corresponding track groove 20103 to roll are symmetrically arranged on two sides of the trolley frame plate 20201, and the trolley frame plate 20201 is correspondingly connected with the mechanical clamping arm 3; the mechanical clamping arm 3 comprises a main shaft 3012 and a clamping rod 3013; the head end of the main shaft 3012 is correspondingly connected with the sliding trolley 202 through a push rod, the rod body at the head end is correspondingly hinged with the lower arm frame 1 through a pin shaft, the tail end of the main shaft 3012 is correspondingly connected with the fixed end of the clamping rod 3013, the clamping rod 3013 and the main shaft 3012 form a certain included angle, and the clamping end of the clamping rod 3013 correspondingly faces to the lower half part of the cylindrical heavy object;
the synchronous limiting mechanism 4 comprises a turntable shaft 401, a rotating bearing 402, a synchronous turntable 403 and a synchronous connecting rod 404, the turntable shaft 401 is fixedly arranged in the center of the bottom surface of the lower arm frame 1, the rotating bearing 402 is sleeved on the shaft body of the turntable shaft 401, the synchronous turntable 403 is sleeved on the outer ring outer wall of the rotating bearing 402, a plurality of synchronous connecting rods 404 are hinged to the outer edge of the synchronous turntable 403, and the other ends of the synchronous connecting rods 404 are respectively hinged to the corresponding linear sliding mechanisms 2; in the clasping clamp with the structure, the sliding trolleys 202 in the linear sliding mechanisms 2 are synchronously driven by the drivers to move towards the center of the lower arm support 1, so that the main shafts 3012 of the corresponding mechanical clamp arms 3 are driven to rotate along the hinged point, and the clamping rods 3013 are further driven to simultaneously move towards a cylindrical weight until the cylindrical weight is clamped, and in addition; during the moving process of the sliding trolley 202, the synchronization degree of the holding clamp can be further improved through the synchronization connecting rod 404 and the synchronization turntable 403 of the synchronization limiting mechanism 4.
The present invention is not described in detail in the prior art.
Claims (10)
1. The utility model provides a clamp is embraced to coordinated type, characterized by: comprises a lower arm support (1), a linear sliding mechanism (2), a mechanical arm support (3) and a synchronous limiting mechanism (4); at least three linear sliding mechanisms (2) are uniformly distributed on the lower arm support (1), the moving directions of the linear sliding mechanisms (2) face to the central position of the lower arm support (1), and each linear sliding mechanism (2) is provided with a mechanical clamping arm (3) which can move along with a sliding part and synchronously clamp or release; the center of the lower arm support (1) is provided with a synchronous connecting rod mechanism (4) which is correspondingly connected with the plurality of linear sliding mechanisms (2) and can ensure that the plurality of linear sliding mechanisms (2) slide synchronously.
2. The coupled clasping clamp of claim 1, wherein: the inner part of the lower arm support (1) is provided with a sliding cavity, the linear sliding mechanism (2) comprises a sliding rail assembly (201) and a sliding trolley (202), the sliding rail assembly (201) is composed of two clamping plates (20101) with parallel plate surfaces, the corresponding ends of the two clamping plates (20101) are detachably and fixedly connected through end plates (20102), the inner plate surfaces of the two clamping plates (20101) are symmetrically provided with two rail grooves (20103) along the axial direction of the clamping plates (20101), and the rail grooves (20103) are correspondingly and slidably connected with the sliding trolley (202).
3. The coupled clasping clamp of claim 2, wherein: the sliding trolley (202) comprises a trolley frame plate (20201) which is horizontally arranged, a plurality of lower rollers (20202) which can be abutted and rolled with the lower groove wall of the corresponding track groove (20103) and two upper rollers (20203) which can be abutted and rolled with the upper groove wall of the corresponding track groove (20103) are symmetrically arranged on two sides of the trolley frame plate (20201), and the trolley frame plate (20201) is correspondingly connected with the mechanical clamping arm (3).
4. The coupled clasping clamp of claim 3, wherein: one end of the trolley frame plate (20201) is fixedly provided with a buffer block (20204) capable of abutting against the end plate (20102), and the upper roller (20203) is positioned at the other end of the trolley frame plate (20201).
5. The coupled clasping clamp of claim 1, wherein: the mechanical clamping arm (3) comprises a driving mechanism (301), a screw (302), a driving sliding block (303), a bearing seat (304), a sliding rod (305) and a driven sliding block (306), the driving end of the driving mechanism (301) is correspondingly connected with the head end of the screw (302), the head end rod body of the screw (302) is correspondingly connected with a linear sliding mechanism (2), the rod body of the screw (302) is provided with the driving sliding block (303), the tail end of the screw (302) is correspondingly matched and connected with the bearing seat (304), the bottom surface of the bearing seat (304) is provided with a positioning seat (3014) correspondingly connected with the head end of the sliding rod (305), the sliding rod (305) and the screw (302) are correspondingly coaxial, the rod body of the sliding rod (305) is provided with the driven sliding block (306) and a claw piece (307) used for clamping cylindrical heavy objects, the driven sliding block (306) is correspondingly connected with the driving sliding block (303) through a connecting, and a linkage rod (5) is hinged between the driven sliding block (306) and the fixing seat (309) of the two adjacent clasping claws.
6. The coupled clasping clamp of claim 1, wherein: the lower arm support (1) is internally provided with a plurality of drivers for driving the corresponding linear sliding mechanisms (2).
7. The coupled clasping clamp of claim 6, wherein: the mechanical clamping arm (3) comprises a main shaft (3012) and a clamping rod (3013); the head end of the main shaft (3012) is correspondingly connected with the sliding trolley (202) through a push rod, the rod body of the head end is correspondingly hinged with the lower arm support (1) through a pin shaft, the tail end of the main shaft (3012) is correspondingly connected with the fixed end of the clamping rod (3013), the clamping rod (3013) and the main shaft (3012) form a certain included angle, and the clamping end of the clamping rod (3013) correspondingly faces to the lower half portion of the cylindrical heavy object.
8. The coupled clasping clamp of claim 7 wherein: the included angle between the clamping rod (3013) and the main shaft (3012) is 120-160 degrees.
9. The coupled clasping clamp of claim 1, wherein: the synchronous limiting mechanism (4) comprises a turntable shaft (401), a rotating bearing (402), a synchronous turntable (403) and a synchronous connecting rod (404), the turntable shaft (401) is fixedly arranged at the center of the bottom surface of the lower arm support (1), the rotating bearing (402) is sleeved on the shaft body of the turntable shaft (401), the synchronous turntable (403) is sleeved on the outer wall of the outer ring of the rotating bearing (402), a plurality of synchronous connecting rods (404) are hinged to the outer edge of the synchronous turntable (403), and the other end of each synchronous connecting rod (404) is hinged to the corresponding linear sliding mechanism (2).
10. The linked clasping clamp of claim 9 wherein: the axle body of carousel axle (401) is equipped with and is used for conflicting rolling bearing (402) inner shaft shoulder, synchronous carousel (403) central authorities are equipped with and are used for the installation and conflict rolling bearing (402) outer lane inner step through-hole, the outer terminal surface of rolling bearing (402) is equipped with circlip (408), the counter bore pore wall of synchronous carousel (403) step through-hole is equipped with the annular groove that adaptation circlip (408) card was gone into, the coaxial top cover (407) that are used for conflicting rolling bearing (402) inner circle outer end that is fixed with of interior face of carousel backplate (406).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110315172.8A CN113003210A (en) | 2021-03-24 | 2021-03-24 | Linkage type clasping clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110315172.8A CN113003210A (en) | 2021-03-24 | 2021-03-24 | Linkage type clasping clamp |
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| Publication Number | Publication Date |
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| CN113003210A true CN113003210A (en) | 2021-06-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110315172.8A Pending CN113003210A (en) | 2021-03-24 | 2021-03-24 | Linkage type clasping clamp |
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| CN (1) | CN113003210A (en) |
Cited By (1)
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| CN114378493A (en) * | 2022-01-14 | 2022-04-22 | 上海建工二建集团有限公司 | Clamping track device clamped on precast pile and using method thereof |
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