CN213710259U - Quick-change structure and platform driving system - Google Patents

Abstract

The utility model provides a quick change structure and platform driving system, put and floating the executor including the crane, the crane adopts the quick change structure can dismantle the connection with floating the executor, and the quick change structure includes that mounting, cover locate the mounting outside treat the fixed sleeve and locate the mounting and treat the ball between the fixed sleeve, and the inside of mounting is equipped with butt portion, the lateral wall and the ball looks butt of butt portion, and butt portion drive ball lock in the lock inslot or break away from the lock groove. The utility model provides a quick change structure and platform driving system, mounting and treat that fixed sleeve can put and floating executor fixed connection with the crane respectively, whether lock in the lock inslot through butt portion control ball to realize the mounting and treat the fixed between the fixed sleeve, only need adjust the position of ball and both can realize its fixed connection, its simple structure and overall arrangement are compact, realization separation that can be simple swift, great improvement work efficiency.

Description

Quick-change structure and platform driving system

Technical Field

The utility model relates to a technical field that ground is floating, concretely relates to quick change structure and platform driving system.

Background

In the field of building decoration, mortar is mostly paved on the ground for covering and strickling, so that the ground is attractive and convenient to use. Among the prior art, generally all adopt floating executor to floating of ground to float, it is generally by the motion of building the platform from rising to drive whole floating executor, floating executor need with build platform fixed connection from rising.

At present to floating executor and from the fixed mode that directly adopts bolt and nut of building between the platform realize fixed connection, its connection stability is higher, but if need change or when maintaining floating executor, its dismantlement is comparatively complicated with the installation operation, leads to inefficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick change structure and platform driving system to solve the dismantlement of floating the executor among the prior art and install the technical problem that the operation is complicated.

In order to achieve the above object, the utility model adopts the following technical scheme: the quick-change structure comprises a fixing piece, a sleeve to be fixed and sleeved on the outer side of the fixing piece, and balls arranged between the fixing piece and the sleeve to be fixed, wherein a through hole for the balls to move is formed in the side wall of the fixing piece, a buckling groove buckled on the outer side of the balls is formed in the inner wall of the sleeve to be fixed, a butting portion is arranged inside the fixing piece, the side wall of the butting portion is abutted against the balls, and the butting portion drives the balls to be buckled in the buckling groove or separated from the buckling groove.

The ball bearing further comprises a driving component for driving the abutting part to move, the outer edge of the abutting part is provided with an inclined abutting surface, the inclined abutting surface is provided with a near end surface close to the ball bearing and a far end surface far away from the ball bearing, and the driving component drives the near end surface or the far end surface of the abutting part to abut against the ball bearing respectively.

Further, the driving assembly comprises a driving shaft inserted in the abutting part, the inclined abutting surface is inclined along the height direction, and the driving shaft drives the abutting part to lift; alternatively, the inclined contact surface is inclined in a horizontal rotational direction, and the drive shaft drives the contact portion to rotate.

Further, the driving assembly further comprises a driving piece and a screw nut sleeved on the driving shaft, the screw nut is fixedly connected with the abutting portion, threads matched with the screw nut are formed on the driving shaft, and the driving piece is connected with the driving shaft and drives the driving shaft to rotate.

Furthermore, the driving piece further comprises a worm wheel sleeved on the driving shaft and a worm arranged on one side of the worm wheel, and the worm wheel is meshed with the worm.

Further, the driving part also comprises a motor, a motor or a hand wheel which drives the worm to rotate.

Furthermore, one end of the worm is provided with a rotation stopping piece for limiting the rotation of the worm, and the rotation stopping piece is detachably connected with the worm.

Furthermore, a position indicator used for indicating the number of turns or the rotating position of the worm is further sleeved on the worm.

Furthermore, a plurality of through holes are formed in the outer edge of the fixing piece, a plurality of buckling grooves are formed in the sleeve to be fixed, and the ball is arranged in each through hole.

The utility model also provides a platform driving system, put and floating the executor including the line hoist and mount, the line hoist put with floating the executor adoption as above quick change structure can dismantle the connection.

The utility model provides a quick change structure and platform driving system's beneficial effect lies in: compared with the prior art, the utility model discloses a quick change structure, the mounting with treat that fixed sleeve can put and floating executor fixed connection with the crane respectively, the ball can slide in the through-hole is inside, whether lock in the lock inslot through butt portion control ball, the ball lock is when the lock inslot, can realize the mounting and treat fixed sleeve between the relative position's fixed, when the ball deviates from the lock inslot, then can realize the mounting and treat the separation between the fixed sleeve, only need adjust the position of ball and both can realize its fixed connection, its simple structure and overall arrangement are compact, can simple swift realization separation, great improvement work efficiency.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 perspective view of a quick-change structure and a floating actuator provided in an embodiment of the present invention;

fig. 2 is a schematic view of a three-dimensional explosion structure of a quick-change structure provided in an embodiment of the present invention;

fig. 3 is a schematic top view of a quick-change structure provided in an embodiment of the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

fig. 5 is a partial schematic structure view of the quick-change structure shown in fig. 4;

FIG. 6 is a sectional view taken along line B-B of FIG. 3;

fig. 7 is a schematic cross-sectional three-dimensional structure view of a quick-change structure provided in an embodiment of the present invention.

Description of reference numerals:

1. a fixing member; 2. a sleeve to be fixed; 3. a ball bearing; 4. an abutting portion; 5. a first connecting flange; 6. a second connecting flange; 7. a drive assembly; 8. a bearing support; 9. leveling the actuator; 11. a through hole; 12. buckling the groove; 41. an inclined abutting surface; 71. a drive shaft; 72. a feed screw nut; 73. a worm gear; 74. a worm; 75. a stepped shaft; 76. a hand wheel; 77. a rotation stopping member; 78. a position indicator; 79. and a guide post.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to fig. 7, the quick-change structure of the present invention will now be described. The quick-change structure comprises a fixing part 1, a sleeve 2 to be fixed, which is sleeved on the outer side of the fixing part 1, and a ball 3, which is arranged between the fixing part 1 and the sleeve 2 to be fixed. The fixing piece 1 and the sleeve 2 to be fixed are respectively fixedly connected with two pieces to be fixed (not shown in the figure), wherein the top of the fixing piece 1 is provided with a first connecting flange 5, and the fixing piece 1 and the pieces to be fixed are fixedly connected through the first connecting flange 5; treat that the bottom of fixed sleeve 2 is provided with second flange 6, treat fixed sleeve 2 and treat the fixed connection between the mounting through second flange 6 realization.

Wherein, mounting 1 is a cylinder, and has seted up a plurality of through-hole 11 on the inner wall of mounting 1, and ball 3 sets up in the inside of this through-hole 11, and butt portion 4 sets up in the inside of mounting 1, and butt portion 4 can with ball 3 looks butt for ball 3 can bulge in the outside of mounting 1, or butt portion 4 is not towards outside butt ball 3, makes ball 3 can return to the inside of through-hole 11. Wherein, the ball 3 can slide in the through-hole 11 and can not deviate from the through-hole 11 completely, is provided with in the through-hole 11 or the lock inslot 12 and carries out spacing locating part to the ball 3.

Treat that fixed sleeve 2 also is a cylinder, treat that fixed sleeve 2 overlaps the outside of locating mounting 1, treat that the internal face of fixed sleeve 2 and the outer wall of mounting 1 are laminated mutually, treat to have seted up a plurality of buckling groove 12 on the fixed sleeve 2, buckling groove 12, through-hole 11 and ball 3 one-to-one. The cross section of the fastening groove 12 is triangular or trapezoidal, and the top surface and the bottom surface of the fastening groove 12 are two inclined surfaces, so that the effect of inclined guiding can be realized.

Further, please refer to fig. 3 to 5 together, as a specific embodiment of the quick-change structure provided by the present invention, the abutting portion 4 is a disc structure, and the top outer edge of the disc structure has an inclined abutting surface 41, the inclined abutting surface 41 is an inclined outer edge surface, and has a near end surface close to the ball 3 and a far end surface far away from the ball 3, for example, the inclined abutting surface 41 is an outer edge surface inclined along the height direction, the top outer edge surface of the abutting portion 4 is a far end surface, and the bottom outer edge surface is a near end surface, the driving component 7 can drive the lifting motion of the abutting portion 4, so that the far end surface is opposite to the ball 3, and a gap is formed between the far end surface and the ball 3, and the ball 3 is retracted into the through hole 11; alternatively, the proximal end surface directly abuts against the ball 3, and the ball 3 moves toward the engagement groove 12 by the abutment of the proximal end surface.

The driving assembly 7 includes a driving shaft 71 inserted in the abutting portion 4 and a driving element for driving the driving shaft 71 to move up and down or rotate, and the driving may be directly driven to rotate by a rotating driving member such as a motor or a motor, or may be driven to rotate linearly by an electric push rod or a hydraulic cylinder.

Further, as the utility model provides a specific implementation mode of quick change structure, when slope butt face 41 is for along the direction of height slope, drive shaft 71 can drive butt portion 4's lift this moment, drive shaft 71 runs through butt portion 4 from the top, the junction of drive shaft 71 and butt portion 4 is provided with screw-nut 72, be formed with the internal thread on screw-nut 72's the interior disc, screw-nut 72 cup joints in the outside of drive shaft 71, the outside of drive shaft 71 is formed with the external screw thread, can mutually support between internal thread and the external screw thread, can turn into the lift power of butt portion 4 with the rotation energy of drive shaft 71.

Preferably, the first connecting flange 5 may adopt a flange structure having an inner cavity, the driving assembly 7 may be disposed inside the first connecting flange 5, the driving assembly 7 inside may be protected by an outer wall of the first connecting flange 5, a connecting plate is disposed between the first connecting flange 5 and the fixing member 1, the driving shaft 71 passes through the connecting plate and the abutting portion 4 and is fixedly connected with the bottom of the fixing member 1, a bearing support 8 is disposed at a joint of the driving shaft 71 and the connecting plate and the bottom of the fixing member 1, and stability of the driving shaft 71 is limited by the bearing support 8.

As for the rotation driving method of the driving shaft 71, it may be directly driven by a rotation driving member such as a motor or a motor, or may be a driving member such as: the worm gear 73 is meshed with the worm 74, the worm 74 can rotate to drive the worm gear 73 to rotate the whole driving shaft 71, and the driving mode of the worm 74 can be realized by directly adopting driving pieces such as a motor or a motor.

Preferably, the worm 74 can be driven by a hand wheel 76, the worm 74 is sleeved outside the stepped shaft 75, the hand wheel 76 is arranged at the end of the stepped shaft 75, two ends of the stepped shaft 75 penetrate through the side wall of the first connecting flange 5, and a bearing support 8 is arranged at the joint of the stepped shaft 75 and the side wall of the first connecting flange 5. The hand wheel 76 can stretch out the whole quick-change structure under the extension of the stepped shaft 75, the hand wheel 76 drives the worm 74 to rotate, the manual rotation of the hand wheel 76 is only needed to complete the operation, the control is more convenient and faster, the operation time is shortened, and the efficiency is improved.

Furthermore, one end of the worm 74 may be further provided with a rotation stopping member 77 for limiting the rotation of the worm 74, and the rotation stopping member 77 is detachably connected to the worm 74, so that the worm 74 can be locked by the rotation stopping member 77, the continuous rotation of the worm 74 is avoided, and the rotation of the worm 74 due to vibration during operation can be prevented, thereby achieving stable connection between the quick-change device and the lower floating actuator 9, and improving the safety of the device in use. The rotation stopping member 77 may directly adopt a fixing bolt, a through hole for inserting the fixing bolt is provided at an end of the worm 74, and a limiting member for preventing the fixing bolt from rotating is formed on an outer surface of the quick-change structure or an external device, so as to limit the rotation of the fixing bolt, and then limit the rotation of the worm 74. Of course, according to practical situations and specific requirements, in other embodiments of the present invention, the rotation stopping member 77 may also be a collar or a sleeve, etc., and is not limited herein.

Furthermore, a position indicator 78 may be sleeved on the worm 74, and a position sensor may indicate the number of turns of the worm 74 or the current position of the worm, so as to quickly confirm whether the worm is adjusted to the corresponding position. The position indicator 78 may directly adopt a conventional position sensor in the prior art, directly detect the orientation or rotation angle of the worm 74 through the position sensor, and then feed back the detection result to the controller for data processing, and feed back the detection result to the operator through light, a display screen or sound.

Wherein, one side or more sides of drive shaft 71 still are equipped with at least one guide post 79, and the extending direction of guide post 79 is unanimous with the extending direction of drive shaft 71, and the both ends of guide post 79 can be fixed respectively on two fixed elements in the quick change structure, and mounting 1 can go up and down the slip on this guide post 79 to guarantee its stability of connection and slip.

At this moment, the working principle of the whole quick-change structure is as follows:

when the fixing piece 1 needs to be separated from the sleeve 2 to be fixed, an operator rotates the hand wheel 76, the hand wheel 76 drives the worm 74 to rotate, then the worm 74 drives the worm wheel 73 and the driving shaft 71 to rotate, the driving shaft 71 is in threaded connection with the screw nut 72, the driving shaft 71 rotates to drive the screw nut 72 to move up and down, and further the whole abutting portion 4 is driven to move up and down, at the moment, the inclined abutting portion 41 also moves up and down, so that the inclined abutting portion 41 is changed into a gap between the far end face and the ball 3 from the direct abutting of the near end face and the ball 3, the ball 3 can return to the inside of the through hole 11, and the sleeve 2 to be fixed can be separated from the fixing piece 1;

when the fixing part 1 and the sleeve 2 to be fixed need to be fixed, an operator supports the sleeve 2 to be fixed, so that the sleeve 2 to be fixed is directly sleeved outside the fixing part 1, then the hand wheel 76 is rotated, the hand wheel 76 drives the worm 74 to rotate, and then the worm 74 drives the worm wheel 73 and the driving shaft 71 to rotate, because the driving shaft 71 and the screw nut 72 are connected through threads, the driving shaft 71 rotates to drive the screw nut 72 to move up and down, so as to drive the whole abutting part 4 to move up and down, at the moment, the inclined abutting surface 41 also realizes the lifting movement, so that the inclined abutting surface 41 changes from a gap formed between the far end surface and the ball 3 into a direct abutting between the near end surface and the ball 3, so that the ball 3 is pushed to the outside of the through hole 11, the ball 3 can be embedded in the buckling groove 12, and the sleeve 2 to be fixed can be fixedly connected with the, the rotation stopper 77 is fixed to the end of the worm 74, and the rotation of the worm 74 is restricted by the rotation stopper 77, so that stable fixation can be achieved.

As the alternative embodiment of this embodiment, slope butt face 41 can also be for the ring establish the unevenness's of butt portion 4 outer fringe face, pit department on the butt portion 4 is distal end face promptly, the protrusion department is near the end face promptly, and pit and protrusion department generally set up on same horizontal plane and interval setting, and drive assembly 7's drive shaft 71 can drive butt portion 4's rotation, can drive distal end face and near the end face respectively in proper order with ball 3 butt in the rotation in-process, realize ball 3's removal. In this case, the driving shaft 71 may be directly or indirectly driven to rotate by a driving member such as a rotating motor or a motor.

As an alternative embodiment of this embodiment, the fixing member 1 may also be fixedly connected with other members to be fixed, the sleeve 2 to be fixed may also be fixedly connected with another member to be fixed, so as to realize the fixed connection between the two members to be fixed, and the connection between the fixing member 1 and the sleeve 2 to be fixed and the external component may also be implemented without adopting a flange connection manner, and may also adopt other connection manners, which is not limited herein.

Referring to fig. 1, the present invention further provides a platform driving system, which includes a crane device (not shown) and a floating actuator 9, wherein the crane device and the floating actuator 9 adopt the quick-change structure in any of the above embodiments to be detachably connected.

Fixing part 1 with treat that fixed sleeve 2 can be respectively with the hoisting accessory with floating executor 9 fixed connection, ball 3 can slide in through-hole 11 is inside, whether lock in lock groove 12 through butt portion 4 control ball 3, 3 locks of ball are when lock inslot 12, can realize fixing part 1 and treat the fixed sleeve 2 between the relative position fixed, when ball 3 deviates from lock inslot 12, then can realize fixing part 1 and treat the separation between the fixed sleeve 2, only need adjust its fixed connection both can be realized to the position of ball 3, its simple structure and overall arrangement are compact, can simple swift realization separation, great improvement work efficiency.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. Quick change structure, its characterized in that: the fixing device comprises a fixing piece (1), a sleeve (2) to be fixed, which is sleeved on the outer side of the fixing piece (1), and a ball (3) which is arranged between the fixing piece (1) and the sleeve (2) to be fixed, wherein a through hole (11) for the ball (3) to move is formed in the side wall of the fixing piece (1), a buckling groove (12) which is buckled on the outer side of the ball (3) is formed in the inner wall of the sleeve (2) to be fixed, a butting portion (4) is arranged in the fixing piece (1), the side wall of the butting portion (4) is butted with the ball (3), and the butting portion (4) drives the ball (3) to be buckled in the buckling groove (12) or to be separated from the buckling groove (12).

2. The quick-change structure according to claim 1, characterized in that: the ball bearing is characterized by further comprising a driving assembly (7) for driving the abutting part (4) to move, an inclined abutting surface (41) is arranged on the outer edge of the abutting part (4), the inclined abutting surface (41) is provided with a near end surface close to the ball (3) and a far end surface far away from the ball (3), and the driving assembly (7) drives the near end surface or the far end surface of the abutting part (4) to abut against the ball (3) respectively.

3. The quick-change structure according to claim 2, characterized in that: the driving assembly (7) comprises a driving shaft (71) inserted in the abutting part (4), the inclined abutting surface (41) is inclined along the height direction, and the driving shaft (71) drives the abutting part (4) to lift; alternatively, the inclined contact surface (41) is inclined in the horizontal rotational direction, and the drive shaft (71) drives the contact portion (4) to rotate.

4. The quick-change structure according to claim 3, characterized in that: the driving assembly (7) further comprises a driving piece and a screw nut (72) sleeved on the driving shaft (71), the screw nut (72) is fixedly connected with the abutting portion (4), threads matched with the screw nut (72) are formed on the driving shaft (71), and the driving piece is connected with the driving shaft (71) and drives the driving shaft (71) to rotate.

5. The quick-change structure according to claim 4, characterized in that: the driving piece further comprises a worm wheel (73) sleeved on the driving shaft (71) and a worm (74) arranged on one side of the worm wheel (73), and the worm wheel (73) is meshed with the worm (74).

6. The quick-change structure according to claim 5, characterized in that: the drive further includes an electric motor, motor or handwheel (76) for driving rotation of the worm (74).

7. The quick-change structure according to claim 5, characterized in that: one end of the worm (74) is provided with a rotation stopping piece (77) for limiting the rotation of the worm (74), and the rotation stopping piece (77) is detachably connected with the worm (74).

8. The quick-change structure according to claim 5, characterized in that: the worm (74) is further sleeved with a position indicator (78) used for indicating the number of turns or the rotating position of the worm (74).

9. The quick-change structure according to any one of claims 1 to 8, characterized in that: the outer edge of the fixing piece (1) is provided with a plurality of through holes (11), the sleeve (2) to be fixed is provided with a plurality of buckling grooves (12), and each through hole (11) is internally provided with the ball (3).

10. Platform driving system including the line hoist device with floating executor (9), its characterized in that: the hoisting device and the troweling actuator (9) are detachably connected by a quick-change structure according to any one of claims 1 to 9.

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