CN111482971A - Flower-holder type hidden electric column claw - Google Patents

Abstract

A flower-holder type hidden electric column claw is a vertical locking mechanism constructed based on an intelligent control technology and has the capability of stretching relative to a column surface. The column claw mechanism mainly comprises a section cylinder, a claw mechanism, a synchronous mechanism, a power mechanism and an information mechanism; the section cylinder consists of an upper section of cylinder body and a lower section of cylinder body with circular or square cross section, the synchronous mechanism drives the jaw mechanisms to operate under the driving of the motor, and jaws of the jaw mechanisms simultaneously extend out of or retract into the section cylinder; the information mechanism is arranged on a rotating plane of the clamping jaw, the clamping jaw piece can rotate 180 degrees and respectively trigger the sensors at 0 degree or 180 degrees, and the inner sensor and the outer sensor send out position signals of the clamping jaw; and the intelligent control system judges whether the jaw is completely extended or retracted according to the parking position signal of the jaw piece, so as to implement the next logic action.

Description

Flower-holder type hidden electric column claw

Technical Field

The technology belongs to the field of machinery, and relates to a hidden upright column jaw, in particular to an electric jaw suitable for intelligent control.

Background

A planting disk of the multi-movable-layer column type planting robot is sleeved on a column, and a clamping pin is a necessary component for vertically locking the planting disk. However, the bayonet lock is clumsy to operate, time-consuming and labor-consuming, and is not suitable for intelligent agricultural equipment.

Technical scheme

The invention relates to a flower-holder type hidden electric cylinder claw (cylinder claw mechanism for short), which is an electric lock mechanism constructed based on an intelligent control technology, wherein the holder claw can stretch out and draw back relative to a cylindrical surface at any time, and the structure is simple.

The column claw mechanism (figure 1) is provided with a plurality of claws on the same plane, and each claw is driven by the synchronizing mechanism to simultaneously extend out of the column surface to form a receptacle type block to hold the planting disc; the planting plate can be driven by the synchronizing mechanism to retract into the cylindrical surface at the same time, and then the planting plate is released to slide.

The column jaw mechanism mainly comprises a section cylinder, a jaw, a synchronous mechanism and a power and information mechanism, wherein the section cylinder is a cylinder body with the same section as the column, the upper end and the lower end of the cylinder are used for connecting a vertical cylinder body, and the jaw mechanism is arranged in the middle of the cylinder; the power drives the synchronous mechanism, and the synchronous mechanism drives each jaw mechanism to extend out of or retract into the cylindrical surface of the sectional barrel simultaneously; the information mechanism is arranged on the rotating plane of the clamping jaw and sends a state signal of the clamping jaw to the intelligent control system.

The joint cylinder is a section of combined cylinder (or square cylinder) formed by butting an upper section and a lower section and is used as a section (called the joint cylinder for short) in the middle of the cylindrical upright post. The upper end of the upper cylinder section is provided with a tenon or a notch connected with the upright post; the lower end of the upper cylinder section is provided with an installation space of the jaw piece, and the jaw piece can rotate on the space; the shaft hole of the rotary shaft of the clamping jaw piece is vertically arranged on the wall of the cylinder, and each hole is centrosymmetric relative to the center of the cylinder; the motor and the speed change mechanism are arranged on the upper barrel section, and an output wheel of the speed change mechanism is meshed with a driven wheel on a rotating shaft (called a claw shaft for short) of the claw piece.

The lower end of the lower cylinder section is provided with a tenon or a notch connected with the upright post; the lower cylinder section is provided with a jaw shaft hole and a jaw wheel rotating space on the jaw shaft, corresponding to the jaw shaft hole of the upper cylinder section and the rotating space of the jaw sheet (see fig. 2, a top view along the A-A height of fig. 1).

The upper barrel section and the lower barrel section are butted into a sectional barrel and fixedly connected into a whole; the outer wall of the joint of the two cylinder sections is provided with a strip-shaped hole (called a claw hole for short) for the claw piece to screw out and screw in, and each claw hole is centrosymmetric relative to the section cylinder; a rotary space of the jaw piece and a combined hole of the jaw wheel space are formed on the outer wall of the joint of the two cylinder sections;

the clamping jaw mechanism is composed of a clamping jaw piece, a clamping jaw shaft and a clamping jaw wheel, the clamping jaw piece and the clamping jaw wheel are installed on the clamping jaw shaft, the clamping jaw shaft is installed in a clamping jaw hole, and the clamping jaw shaft rotates to drive the lower end section cylindrical surface of the clamping jaw piece to stretch out and draw back.

The claw sheet is a tongue-shaped plate which is enclosed by a large arc edge at one end, a small arc edge at one end and two additional straight edges, a vertical shaft is arranged on the center of the small arc, and the claw sheet is driven by the vertical shaft to rotate.

The middle of the jaw shaft is provided with an annular step (shaft edge for short), and the jaw wheel and the jaw sheet are arranged at the upper part of the annular edge to form a jaw mechanism; and simultaneously, the jaw collar edge is a supporting edge for clamping the synchronizing wheel at the lower part, the jaw plate surface is used as an upper blocking edge opposite to the supporting edge, the jaw collar edge and the supporting edge clamp the horizontal edge of the synchronizing wheel, and each jaw mechanism clamps the horizontal edge of the synchronizing wheel at the same time, so that the vertical displacement freedom degree of the synchronizing wheel is restrained, and the synchronizing wheel is arranged in the middle of the joint barrel in a suspension manner.

The cylinder body of the synchronizing wheel is arranged on the lower cylinder section; the lower part of the cylinder body is sleeved with a bushing (replacing a mounting bearing) cylinder (called bushing for short), the cylinder body is internally connected with a cylinder hole of the lower cylinder section and can rotate relatively, and the upper end of the bushing props against the shaft edge of the jaw shaft to further restrict the three-dimensional freedom degree of the synchronous wheel so as to enable the synchronous wheel to be in a stable state.

The upper end and the lower end of the jaw shaft are respectively installed in vertical shaft holes in the upper barrel section and the lower barrel section, the jaw wheel and the jaw piece are located in a turbine position formed by the upper barrel section and the lower barrel section, the ring of the jaw shaft abuts against the lower barrel section along a step (replacing an installation bearing), and the jaw piece abuts against the upper barrel section to enable the jaw shaft to be in a stable state.

The driving motor is arranged on the upper barrel section, a driving wheel arranged on the motor transmits power to the speed change mechanism, the speed change mechanism transmits the power to a jaw wheel on a power shaft (the shaft is a jaw shaft with an elongated upper end), the jaw shaft drives the jaw wheel to rotate and drives a synchronizing wheel, and the synchronizing wheel drives other jaw wheels to rotate, so that the synchronous running state of each jaw wheel is formed; the jaw wheel drives the jaw pieces to rotate through the jaw shaft, so that the jaw pieces synchronously extend or retract.

Besides the synchronous wheel driving mechanism, the synchronous belt driving mechanism (fig. 3, fig. 4 (a top view of the top height B-B of the blocking edge of the jaw shaft 2 in fig. 3) and fig. 5) can also realize synchronous operation of the jaw sheets; the jaw wheel of the synchronous wheel driving mechanism is replaced by a synchronous wheel (jaw belt wheel for short), and a synchronous belt is arranged to be sleeved with each jaw belt wheel, so that the synchronous mechanism driven by the same belt is formed.

Compared with a synchronous mechanism driven by a synchronous wheel, the synchronous mechanism needs to be additionally provided with a tension wheel (figure 6) so as to enable the synchronous belt to slip.

The jaw piece can rotate 180 degrees. When the rotary drum rotates clockwise by 180 degrees, the rotary drum retracts into the joint drum (see figure 4) to form a smooth cylindrical surface; when the rotating shaft rotates 180 degrees anticlockwise, the rotating shaft extends out of the section cylinder to form a cylindrical surface clamping jaw. When the forward and reverse rotation reaches 180 degrees (from 0 to 180 degrees or from 180 to 0 degrees), the positioning information of the two directions is uploaded to the intelligent control system by the sensor (figure 6), so that the intelligent control system can control the next action according to the information.

Drawings

The curves in the figures are intended to represent the edges or springs of the gear mechanism, the broken lines are intended to represent a partial view, and the bearings are indicated by the cut-out '×' in '□'.

Fig. 1 is a front sectional view of a column claw mechanism configured to be driven by a synchromesh wheel, passing through an axial center.

The column claw mainly comprises a section cylinder formed by combining an upper cylinder section and a lower cylinder section, a synchronizing mechanism, a claw mechanism and a power mechanism, wherein the power mechanism drives the synchronizing mechanism, the synchronizing mechanism drives the claw mechanism, and a claw can extend out of the column surface of the section cylinder or retract into the section cylinder through rotation; the claw extending out of the section cylinder can be used as a mechanism supporting claw on the socket column.

1 represents an upper section of a section of tube; 1.1 represents a claw shaft hole on the upper section of the cylinder; 2 represents a jaw shaft; 3.1 represents a left jaw piece; 3.2 represents the rear jaw piece; 3.3 represents a right jaw piece; 4.1 represents the left jaw wheel; 4.3 represents a right jaw wheel; (the rear jaw wheel 4.2 is shielded by the synchronizing wheel); 5 represents a lower section cylinder; 5.1 represents a claw shaft hole on the lower section cylinder; 5.2 represents a jaw wheel rotating space arranged on the lower section cylinder; 6 represents a power connection jaw shaft, which is a power transmission shaft and is a lengthened jaw shaft; 7 represents a cylindrical synchronizing wheel; 8 represents a motor; 9 represents a driven wheel that directs motor power to the drive shaft 6; 10 represents a driving wheel on the motor; 11 represents a mounting of the motor 10; A-A represents the joint barrel sectioned down at this location.

The section cylinder is formed by connecting an upper section cylinder 1 and a lower section cylinder 5, the upper section cylinder 1 is provided with a long hole for the jaw piece to rotate in and out, and the lower section cylinder 5 is provided with an installation space 5.2 of the jaw wheel; the jaw shaft holes 1.1 arranged on the upper section barrel 1 and the jaw shaft holes 5.1 arranged on the lower section barrel 5 form through holes of the section barrel, and the through holes are centrosymmetric relative to the section barrel. Referring to fig. 2, the barrel is provided with 4 claw shaft holes.

The left jaw mechanism consists of a jaw piece 3.1, a jaw wheel 4.1 and a jaw shaft 2, wherein the jaw piece 3.1 and the jaw wheel 4.1 are arranged on the jaw shaft 2; the jaw shaft 2 is provided with a step edge 2.1, the upper part of the step edge 2.1 is used for supporting a jaw sheet 3.1 and a jaw wheel 4.1, and the lower part thereof isolates the jaw wheel 4.1 from the lower section cylinder 5; the claw piece 3.1 (small arc short) and the blocking edge 2.1 are higher than the claw wheel 4.1 to form an annular space with the claw wheel 4.1 as the inner wall, and the annular space is used for clamping the picking edge (namely the edge of the synchronous wheel) at the upper end of the synchronous wheel 7; the 4 left claw mechanisms jointly support a synchronizing wheel mechanism, and the synchronizing wheel hovers at the center of the section tube.

The synchronizing wheel 7 consists of a pick edge and a cylinder body, the pick edge is provided with an external gear which is meshed with the jaw wheel to drive, the outer wall of the cylinder body is used for installing a lining cylinder 7.1, and an inner hole is used for arranging a circuit, other pipelines and the like along the upright post; the lining cylinder 7.1 is sleeved on the upper end of the cylinder body to abut against the blocking edge 2.1 of the jaw wheel, the outer wall of the lining cylinder 7.1 is connected with the inner wall of the lower section cylinder 5 in an inner mode, so that the synchronous wheel is in a stable state, and the synchronous wheel 7 is stably and effectively meshed with the jaw wheel 4.1, the jaw wheel 4.2, the jaw wheel 4.3 and the jaw wheel 4.4 (not shown in the figure). Meanwhile, the upper surface of the clamping claw sheet is tightly propped against the strip hole on the upper section of the cylinder 1, and the synchronous wheel 7 is further stabilized in the vertical direction.

When the wall thickness of the section cylinder and the synchronizing wheel cylinder is larger, bearing positions can be respectively arranged on the jaw hole and the lower section cylinder (or the synchronizing wheel cylinder), so that the jaw shaft 2 is connected with the jaw hole through a radial bearing, and the synchronizing wheel cylinder is connected with the inner wall of the lower section cylinder 5 through a radial bearing.

The motor 8 is arranged on the inner cylinder wall of the upper section cylinder 1 through the mounting frame 11, a driving wheel 10 on the motor 8 is in meshed transmission with a driven wheel 9 on a shaft of the jaw wheel 4.3 (the lengthened shaft 6), and a motor circuit is transmitted to the jaw wheel 4.3 and drives the synchronous wheel 7 to rotate; the synchronizing wheel 7 is meshed with the other 3 claw wheels to transfer force, so that the 4 claw wheels synchronously rotate in the same direction to drive the claw sheets coaxial with the claw wheels to rotate, and the 4 claw sheets synchronously extend out or retract.

Fig. 2 is a plan view taken horizontally at the position a-a indicated in fig. 1.

The lower section of thick bamboo 5 is equipped with jack catch wheel installation position, and 4 jack catch wheels are central symmetry setting for lower section of thick bamboo 5, and synchronizing wheel 7 is located the central point of lower section of thick bamboo 5, and the gear is followed in the meshing transmission with 4 jack catch wheels to the choosing of synchronizing wheel 7.

4.2 represents a middle jaw wheel; 5 represents a lower section cylinder; 5.2 represents the hole position of the claw wheel; 6 represents a jaw shaft; 7 represents a synchronizing wheel; 4.4 represents the lower jaw wheel.

Fig. 3 is a front sectional view of the stud pawl formed by a timing belt drive mechanism, which passes through the axis of the joint cylinder. The indication column claw is arranged on the upright column and is a section of the upright column. The column claw is constructed on the basis of the mechanism in figure 1, and the original component numbers are marked along the figure 1 outside the synchronous mechanism.

5.3 represents a strip-shaped hole for the rotation of the claw piece, which is a through hole and is the rest part of the strip-shaped hole when the rear claw piece is in a fully extended state; 12 represents a turbine position provided on the upper column; 13.1 represents the upper column; 13.2 represents the lower column; 14 represents a synchronous belt; and 15 denotes a synchronizing wheel.

The column claw mechanism is arranged between the upper column body 13.1 and the lower column body 13.2, and the three are fixedly connected into a whole,

The synchronous belt driving mechanism mainly comprises a synchronous belt 14 and a synchronous wheel 15; the synchronizing wheel 15 is respectively arranged on each clamping jaw piece, and the synchronizing belt 14 drives the synchronizing wheel 15 to rotate to drive each clamping jaw piece to stretch relative to the cylindrical surface.

Fig. 4 is a horizontal cross section taken along line B-B in fig. 3, which is a plan view. A stud constructed by driving a jaw piece by a synchronous belt synchronous mechanism is shown.

The lower end of the upper section of tube 1 is butted on the lower section of tube 5, the inner diameter of the lower end of the upper section of tube 1 is enlarged, and the rear jaw pieces 3.2 and the rear synchronizing wheel 15 are all arranged in the space; the lower end of the upper section of the cylinder 1 is provided with a 180-degree clockwise rotation opening of a rear claw piece 3.2 (the upper section of the cylinder 1 and the lower section of the cylinder 5 are jointed to form a strip hole); in this figure, the rear jaw piece 3.2 has rotated 180 ° clockwise, and the left side of the jaw piece has pushed against the left wall of the rotation opening, losing the counterclockwise rotational freedom (as can be seen from fig. 6 at the rear, the sensor has sent the state of the rear jaw piece 3.2, and its counterclockwise circuit has been cut off by the intelligent control system, so no motor stall will result).

The rear jaw piece 3.2 and the rear synchronizing wheel 15 are both arranged on the jaw shaft 2, the synchronizing wheel 15 is positioned on the rear jaw piece 3.2, and the synchronizing wheel 15 is provided with a blocking edge (wheel edge) 15.1 of a belt pulley.

The synchronous wheel 15 is driven by a synchronous belt 14; as shown in this figure, the rear dog leg 3.2 has fully extended the cylinder and thereafter it can be rotated 180 ° clockwise driven by the timing belt 14 to retract into the barrel.

Fig. 5 is a schematic diagram of the column-claw mechanism adapted to a square column. The section cylinder is also changed into a square cylinder in shape to be consistent with the main body. The inner hole of the joint cylinder is still drawn into a round hole, and the column claw mechanism is suitable for a driving mechanism constructed by a synchronous belt and a driving mechanism constructed by a synchronous wheel.

3.2 represents the rear jaw piece; 2 represents a jaw shaft; 15.1 represents the pulley rim; 14 represents a synchronous belt; 6 represents a power shaft, which is a lengthened jaw shaft; 3.3 represents a right jaw piece; 16 represents a square upper section of the cylinder; 17 represents a square lower section cylinder; 15 represents a synchronizing wheel; and 3.4 represents a front jaw piece.

The upper section of the cylinder 16 of the column claw mechanism is square in shape and is in butt joint with the lower section of the cylinder 17 which is square in shape to form a square column claw. As can be seen from the figure, if the square outer frame is rotated by 45 °, that is, the pawl piece is disposed at the corner of the square, the column-pawl mechanism is still effective; therefore, the key of the establishment of the column-claw mechanism is that the claw sheet can extend out of and retract into the column surface under the driving of the synchronization mechanism, so that for other polygonal or other curved columns, the column-claw mechanism is also applicable as long as the claw mechanism is arranged on the key surface or the intersection point and then the corresponding synchronization mechanism is arranged for driving; the synchronous belt is particularly suitable for constructing column claws with polygonal or other (non-circular) cross-section-shaped columns due to the flexibility of the synchronous belt.

Fig. 6 is a schematic view of the information mechanism and the tension pulley provided in the stud mechanism, and is a partial plan view.

The tension pulley 26 is mounted on the rocker 21 by the mounting shaft 20, the rocker 21 is mounted on the lower stage drum 5 by the mounting shaft 23, the thrust spring 24 is mounted on the lower stage drum 5 and the rocker 21 by the mounting structure 25, the thrust spring 24 pushes the rocker 21 by the support of the lower stage drum 5, and the tension pulley 26 pushes the timing belt 14, so that the engagement between the timing belt 14 and the timing pulley 15 is stable and reliable, and no slip occurs.

The rotary retracted (i.e. fully retracted) sensor 18 and the extended (i.e. fully extended) sensor 19 of the jaw plate are both mounted on the segment cylinder 5, with the retracted (clockwise) sensor 18 located inside and the extended (anticlockwise) sensor 19 located outside, with the left ends aligned; when the synchronous belt 14 drives the synchronous wheel 15 to drive the jaw piece 3.4 to rotate 180 degrees, the clockwise sensor 18 is triggered, and the intelligent control system cuts off the clockwise rotation circuit according to the clockwise rotation sensor; the current state is that the jaw piece 3.4 has triggered the anticlockwise rotation sensor 19, and the intelligent control system has cut off the anticlockwise rotation circuit, and the motor loses power and stops, can not the locked rotor.

Detailed description of the preferred embodiments

The quasi-stationary-column claw is a cylindrical mechanism constructed according to a synchronous belt synchronous mechanism shown in fig. 3 and 4.

Firstly, manufacturing a section of thick bamboo and purchasing accessories:

A. selecting (purchasing) 1 synchronous belt of 4 small synchronous wheels to form a square synchronous driving mechanism; the approximate dimensions of the outer diameter and the inner diameter of the column claw are determined according to the specifications of the synchronous wheel and the synchronous belt and the approximate dimensions of the outer diameter and the inner diameter of the column claw to be determined shown in FIG. 4.

B. The diameter sizes of 4 jaw shafts are planned, and radial bearings are adopted for installation; the upper end and the lower end of each clamping jaw shaft are respectively provided with 1 bearing, 8 bearings are required to be configured in total, and the specifications of the bearings are determined and purchased.

C. Determining the outer diameter of the joint barrel according to the bearing position of the jaw shaft and the square size of the synchronous driving mechanism; a certain distance is required between the edge of a synchronous wheel (including a synchronous belt) and the outer wall of the joint cylinder; the distance is used for the necessary thickness (the residual wall thickness after the inner hole at the lower end of the jaw mechanism is enlarged for setting the running space of the jaw mechanism) of the upper section of cylinder in butt joint with the lower section of cylinder and the necessary thickness required by the connecting piece of the upper and lower sections of cylinders, and the necessary clearance for running the synchronous belt.

D. 4 claw shafts with bearing positions and synchronous wheel mounting positions are manufactured, wherein one claw shaft is used as an extension shaft for transmitting motor power.

E. And manufacturing a jaw piece, determining the specification and the size of the jaw piece according to the weight of the supported load, selecting a plate with enough strength to cut the tongue-shaped jaw piece, taking the circle center of a small circular arc as the axis of the jaw shaft, and manufacturing a connecting structure of the jaw piece and the jaw shaft.

F. A thick-wall pipe is purchased to manufacture a section cylinder, and the inner hole of the section cylinder is penetrated by a water and electricity pipeline, so that the section cylinder is selected according to the use purpose, but the construction size required by a bearing position is ensured on the premise of ensuring the construction size; the height of the joint barrel should be comprehensively considered: the height of the shaft hole, the connection length of the section tube and the column tube, the thickness of the clamping jaw piece, the movable clearance of the clamping jaw piece and the like.

G. Manufacturing a section cylinder: manufacturing a blank by using the joint barrel wool; turning the structure of connecting the column tube (internally connected or externally connected with the column tube) at the upper end and the lower end of the blank; 4 claw shaft holes and connecting holes of a plurality of upper section cylinders and lower section cylinders are drilled at the upper end of the blank.

The blank is divided into two sections in the middle, and the two sections are respectively used as an upper section cylinder and a lower section cylinder of the joint cylinder.

Expanding an inner hole at the lower end of the upper section of cylinder to arrange a clamping jaw mechanism and a synchronous mechanism; cutting the movable opening of the jaw piece at the lower end of the upper section of the barrel as shown in fig. 4 (after the upper and lower barrels are butted, the opening becomes a long hole for the jaw piece to move); and (3) turning (milling) the claw shaft hole on the lower end surface of the upper section of barrel out of the bearing position.

And turning (milling) a clamping claw hole at the upper end of the lower section of the cylinder out of the bearing position.

Secondly, assembling the jaw mechanism and the synchronizing mechanism:

A. the jaw piece and the synchronizing wheel are arranged on the jaw shaft and fixedly connected, so that the jaw piece, the synchronizing wheel and the jaw shaft form a stable assembly to form a jaw mechanism.

B. 4 claw mechanisms are respectively arranged on the lower section of the cylinder (the claw shaft is connected with the hole site bearing).

C. The synchronous belt is sleeved on the 4 synchronous wheels and is manually tried to rotate, and a tension wheel is manufactured and installed according to the tightness of the synchronous belt (the tension wheel mechanism shown in figure 6 is suitable for the condition that the tension of the belt is small, and if the tension is large, a spring of the tension wheel mechanism can be pushed and replaced by a bolt to push the tension wheel mechanism), so that the belt and the belt wheel are not slipped.

D. Bolts are penetrated through the connecting holes to connect the upper section of the cylinder and the lower section of the cylinder into a whole to form a complete section of the cylinder.

E. The lengthened claw shaft is manually rotated to see whether the mechanism operates normally or not, so that smooth operation is ensured.

Thirdly, power access:

A. and reassembling the upper and lower section barrels to be connected together again to form an integral mechanism.

B. A driven gear is designed and manufactured on the lengthened jaw shaft, and the top circle of the gear cannot cross the cylindrical surface of the joint barrel; designing, manufacturing and installing a motor driving gear; the upper section of the cylinder is provided with a mounting component according to the size of the motor, the motor is mounted, and the driving wheel on the motor is ensured to be effectively meshed with the driven wheel on the claw shaft for transmission,

C. 2 lines of the motor rotating positively and negatively are connected out, and test rotation is carried out to ensure effectiveness.

It can be seen from the above implementation process that the operation of the bidirectional transfer switch is changed to the control of the intelligent control system, and the principle is still effective.

Fourthly, an information mechanism:

A. the running resistance and other factors of the synchronous mechanism are comprehensively considered, and a matched speed reduction permanent magnet direct current motor is selected and purchased as the power of the synchronous mechanism (the speed change mechanism is omitted). Purchasing 2 normally closed travel switches and 1 bidirectional change-over switch; and a motor direct current power supply is arranged.

B. The upper and lower sections of the tube are opened again, and the information mechanism (in this example, the travel switch represents the information mechanism) is installed.

C. Referring to fig. 6, an output switch is provided on the lower stage cartridge; a travel switch is arranged on the right side of the front jaw piece; one near the inner hole (inner switch for short) and one near the outer wall (outer switch for short).

A travel switch is connected to phase lines of the 2 forward and reverse circuits, and the two circuits are respectively connected to a bidirectional switch; the bidirectional change-over switch is connected to a power supply on the premise of ensuring that both the bidirectional switches are open.

An inner switch is arranged at a position close to the inner hole, the inner switch needs to be touched and triggered after the jaw piece is completely retracted into the section cylinder, a circuit for driving the jaw piece to rotate clockwise is opened, and the motor can be stopped when power is lost. Then, if the claw piece needs to rotate (extend) clockwise, the bidirectional switch needs to be switched into a counterclockwise rotation circuit.

An external switch is arranged at a position close to the outer wall, the jaw piece is required to touch and trigger the external switch after completely extending out of the section cylinder, so that a circuit for driving the jaw piece to rotate anticlockwise is opened, the motor is prevented from being locked and rotated, and the motor is burnt.

D. Clockwise, anticlockwise circuit driving motor operation are switched respectively to corresponding travel switch is manual to trigger, inspection power supply and automatic disconnection, ensure reasonable, effective.

Claims (4)

1. The utility model provides a but flower holds in palm formula hidden electric column claw is the vertical kayser mechanism that founds based on intelligent control technique, has for the flexible ability of cylinder, and its jack catch setting is equipped with a plurality of jack catchs, its characterized in that on the same section of thick bamboo plane in section of thick bamboo: the column claw mechanism mainly comprises a section cylinder, a claw mechanism, a synchronous mechanism, a power mechanism and an information mechanism; the section cylinder consists of an upper section and a lower section and is a cylinder body with a circular or square cross section; the upper end and the lower end of the section cylinder are provided with structures connected with the upright post, and the jaw mechanism is positioned in the middle of the section cylinder; the synchronous mechanism drives the jaw mechanisms to operate under the driving of the motor, and jaws of the jaw mechanisms extend out of or retract into the joint barrel simultaneously; the information mechanism is arranged on a rotating plane of the clamping jaw and sends a position signal of the clamping jaw to the intelligent control system; expanding the inner hole at the lower end of the upper barrel section of the section barrel to be used as the running space of the jaw piece and the synchronous mechanism, and arranging a jaw window in the range; the jaw shafts are vertically arranged on the wall of the cylinder, and the shafts are centrosymmetric relative to the joint cylinder; the jaw windows are positioned on the same plane, the jaw shafts are deviated from one side of the windows, and the jaw shafts divide the windows into two spaces, namely a large space and a small space; the window wall on the small space blocks the claw sheet and only allows the claw to be screwed in and out at one side of the large space; the lower cylinder section is provided with a shaft hole corresponding to the jaw shaft of the upper cylinder section; the motor is arranged at the upper part of the upper cylinder section, the upper end of one of the clamping jaw shafts is lengthened, and the lengthened shaft extends to the position of the motor along the shaft hole; the driving wheel and the driven wheel are respectively arranged on the motor and the jaw shaft, the driving wheel and the driven wheel form a gear transmission pair, and the gear transmission pair inputs the power of the motor into the synchronous mechanism; the claw mechanism mainly comprises a claw piece, a claw shaft and a claw wheel, wherein the claw piece and the claw wheel are arranged on the claw shaft, the claw shaft is arranged in a claw hole, and the claw shaft rotates forwards or reversely to drive the claw piece to extend or retract; the jack catch piece is a tongue-shaped plate which is enclosed by a large arc edge at one end, a small arc edge at one end and two additional straight edges, and the jack catch shaft is arranged on the circle center of the small arc; the middle of a jaw shaft of the jaw mechanism is provided with a circular shaft edge, and a jaw wheel and a jaw sheet are arranged at the upper part of the shaft edge to form the jaw mechanism; meanwhile, the shaft edge and the jaw piece form a clamping groove structure for clamping the edge of the synchronous gear; each clamping jaw mechanism simultaneously clamps the tooth edge of the synchronous wheel, and restrains the three-dimensional freedom degree of the synchronous wheel, so that the synchronous wheel is suspended in the middle of the section cylinder; the synchronizing wheel is a cylinder with a toothed edge and is arranged in the lower cylinder section; the lower part of the cylinder is sleeved with a fixed bushing, the bushing is internally connected with an inner hole of the lower cylinder section and can rotate relatively, and the upper end of the bushing props against the shaft edge to further stabilize the synchronizing wheel; the jaw shaft is arranged in the shaft holes on the upper cylinder section and the lower cylinder section, and the shaft edge and the jaw piece respectively support the lower cylinder section and the upper cylinder section, so that the jaw shaft is in a stable state; the jaw piece can rotate 180 degrees; the two information mechanisms are distributed inside and outside relative to the jaw shaft to form a signal mechanism for controlling the parking position of the jaw piece, are arranged on one side of the small space of the jaw window, and are respectively triggered when the jaw piece is completely extended or completely retracted to send a signal that the jaw piece is in place to an intelligent control system.

2. The flower-stand type hidable electric column claw of claim 1, wherein: the synchronous driving mechanism is composed of synchronous belt synchronous wheels; the synchronous wheel is arranged on the jaw shaft or the speed change mechanism of the jaw shaft, the motor drives the synchronous mechanism to run, and the synchronous belt on the synchronous mechanism drives each jaw mechanism to synchronously rotate.

3. The flower-stand type hidable electric column claw of claim 1, wherein: the jaw shaft is mounted in the shaft hole by a bearing, and the jaw shaft is not provided with a shaft edge.

4. The flower-stand type hidable electric column claw of claim 1, wherein: the synchronizing wheel is arranged in the lower section of the cylinder by a bearing, and the synchronizing wheel cylinder is not provided with a lining.

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