Summary of the invention
It is an object of the invention to provide one can connect and locking large-sized bolt, and there is auto-lock function,
The reliable device of stable connection.
To achieve these goals, the invention provides a kind of connection and the device of locking large-sized bolt, described
Large-sized bolt coordinates fixing with adapter bolt, the device of described connection and locking large-sized bolt include connecting shaft,
Motor, little gear, female thread gear, core bar and locking member.Offer vertically in running through in described connecting shaft
The cavity arranged.It is arranged in described cavity described female thread pinion rotation and the most described connecting shaft is axial
Position, and the center of described female thread gear offers screw.The sidewall of described connecting shaft has and exposes
The opening of described female thread gear, described motor and little gear are arranged at the side of described connecting shaft, described electricity
Machine is connected with described pinion drive, and described little gear is positioned at described opening part and nibbles with described female thread gear
Close.Described core bar is placed in described cavity, and one end of described core bar is provided with external screw thread and is inserted in described
Screw is threadeded to be formed with described female thread gear.One end of described connecting shaft is inserted described bolt and is fitted
In orchestration, described locking member is movably set in the sidewall of described connecting shaft, offers confession in described adapter bolt
The groove that described locking member part snaps in, locking member described in described core bar activity pushing tow is locked to described connecting shaft
And between described groove.
Compared with prior art, due to the present invention connect with locking large-sized bolt device described in little gear by
Described motor drives and engages with described female thread gear simultaneously, and described female thread gear and described core bar
Forming threaded connection relation, the most when the motor is actuated, the rotation of described little gear passes to described interior
Helical gear, the rotation of described female thread gear is then by the threaded straight line fortune being changed into described core bar
Dynamic, when described core bar moves along a straight line in described connecting shaft, its end pushing tow is movably set in described connection
Described locking member on axle, described locking member part snaps in the described groove offered on described adapter bolt,
And the most described locking member also keeps and the annexation of described connecting shaft, therefore, described locking member is locked
Between described groove and described connecting shaft so that described connection and the device of locking large-sized bolt and described spiral shell
The operation devices such as bolt adapter is formed and connects and lock, bolt rotating machine arm can be by described connection and lock
Large-sized bolt is operated by the device of tight large-sized bolt.It addition, the locking action of described locking member comes from
The linear motion of described core bar, and the linear motion of described core bar is by described female thread gear and its screw thread
Coordinating driving, therefore when described motor does not works, described threaded engagement can form self-locking, makes described
Moving along a straight line unexpectedly cannot occur in core bar, thus ensure that described connection with locking large-sized bolt device with
Stable connection locking is formed between described adapter bolt, safe and reliable.
The sidewall of described connecting shaft offers the lock opening corresponding with described groove, and described locking member is at described lock
Radially sliding along described connecting shaft in tight opening.Described lock opening be effect be accommodating described locking member,
Allow again described locking member to stretch out from described connecting shaft simultaneously and part snaps in described groove, to realize
State locking member locking between described connecting shaft and adapter bolt.
It is preferred that the sidewall of described core bar is formed with the inclined-plane of locking member described in unidirectional pushing tow, described inclined-plane with
Distance between the central axis of described core bar is gradually reduced along the direction away from described female thread gear.When described
Core bar towards described adapter bolt move along a straight line time, described inclined-plane contacts with described locking member and by described locking
Snap in described groove outside the part of part ejects described connecting shaft.
Specifically, described core bar also has an axially extended support surface along described core bar, described support surface with
Described inclined-plane is connected and is positioned at the central axis side farther out from described core bar, the described inclined-plane, described support surface
Described locking member is jointly engaged with described groove.Described inclined-plane described locking member urging portion is snapped in described
After groove, described support surface moves to contact with described locking member and keep described core bar to described locking member
This jacking force, along the axially extended described support surface of described core bar compared with described inclined-plane, is more beneficial for
Maintain the locking state of described locking member.
In detail, described core bar includes screw mandrel and latch segment, one end of described screw mandrel and described female thread gear
Connecting, described latch segment is fixed on the other end of described screw mandrel, and described inclined-plane and described support surface are formed at institute
State latch segment.
It is preferred that described connecting shaft includes connecting shaft body, gripping head and the branch sleeve of hollow, described company
Spindle body houses one end of described core bar, described gripping head cover at the other end of described core bar and have by
Described core bar is limited to the confined planes in described connecting shaft, and described branch sleeve is socketed on described connecting shaft body
With the junction of described gripping head fixing described connecting shaft body and described gripping head.Described linking axes is set
It is set to the mode combined by described connecting shaft body, gripping head and branch sleeve, first will be able to
Described connecting shaft put into by described core bar, and this is the most internal, then close described gripping head utilizing of set sets in described gripping head
Described core bar is limited in described connecting shaft by the described confined planes put, it is to avoid owing to motor work is excessive or it
The situation that the core bar that his reason causes passes from described connecting shaft, prevents described adapter bolt or large-scale spiral shell
Bolt is damaged.
It is preferred that the gear teeth of described female thread gear are arranged at the wheel face of described female thread gear in axial direction
On centre position, and the wheel face being positioned at described gear both sides is shiny surface, and two bearings is sheathed on described respectively
The two ends of female thread gear are also fixed in described connecting shaft.Bearing holder (housing, cover) described in two is located at described female thread gear
Two ends, both can realize the rotation in described connecting shaft of the described female thread gear, it is also possible to utilize described
The bearing fixing axial location realizing described female thread gear in described connecting shaft.
It is preferred that also include a reduction box, described reduction box is arranged between described motor and described little gear
And be connected with described motor and pinion drive.Described motor and reduction box can provide suitable for described little gear
The power output closed.
It is preferred that be provided with two proximity switches in described connecting shaft, described core bar is fixed with a sensor block,
Described sensor block pass described connecting shaft and follow described core bar described in two between proximity switch back and forth, described
Proximity switch electrically connects with described motor.When, after described electric motor starting, described core bar moves along a straight line, and institute
State on core bar fixing described sensor block to follow described core bar and described in two, between proximity switch, doing straight line back and forth
Motion, thus alternately trigger the two proximity switch, described by proximity switch described in two is electrically connected to
Motor, just can utilize described proximity switch to control the keying of described motor, and then realize described connection with
The device of locking large-sized bolt is automatically attached locking or gets loose with adapter bolt.
It is preferred that the other end of described connecting shaft radially expands the gear forming accommodating described female thread gear
Room, with the device of locking large-sized bolt, described connection also includes that end-cover axle, described end-cover axle are fixed on described company
Spindle away from one end of described adapter bolt and positions described female thread tooth jointly with the diapire of described gear chamber
Wheel.
Detailed description of the invention
Below in conjunction with the Figure of description provided, presently preferred embodiments of the present invention is made description.
The invention provides a kind of connection and the device of locking large-sized bolt, and described large-sized bolt is general and spiral shell
Bolt adapter coordinates fixing, and the most described connection and the device locking large-sized bolt are really fitted with described bolt
Orchestration connects locking.
Incorporated by reference to shown in Fig. 1 to Fig. 4, the device 1 of described connection and locking large-sized bolt include connecting shaft 10,
Locking member 11, female thread gear 12, motor 13, little gear 14 and core bar 15.
Offer in the cavity 100 running through setting in described connecting shaft 10 vertically, one end of described connecting shaft 10
Be connected with described adapter bolt 2 (shown in Fig. 5), this one end of described connecting shaft 10 except be provided with
Outside locking teeth 102a that described adapter bolt 2 coordinates, shrink the most diametrically and form a connection-peg 102b,
The sidewall of described connection-peg 102b offers lock opening 102c, the quantity of described lock opening 102c according to
Required coupling mechanism force is arranged, and offers six in the present embodiment, and six described lock opening 102c edges
The circumference of described connecting shaft 10 is uniformly distributed.Described locking member 11 is arranged at described connection-peg 102b actively
Sidewall and stretching out with radially sliding or in connection-peg 102b described in retraction along described connecting shaft 10.Specifically
Ground, described locking member 11 is the ball 11 that diameter is roughly the same with described lock opening 102c width, described
The quantity of ball 11 is identical with described lock opening 102c and is respectively contained in six described lock opening 102c
In.The effect of described lock opening 102c is accommodating described ball 11, allow again simultaneously described ball 11 from
Stretch out in described connecting shaft 10 to realize described ball 11 at described connecting shaft 10 and described adapter bolt 2
Between locking.One end of described connecting shaft 10 can be arranged fits with the bolt with different size in different structure
Orchestration 2 connects.
In described female thread gear 12 is rotatably arranged in described cavity 100 and be positioned at described connecting shaft 10
The other end, specifically, the gear teeth of described female thread gear 12 are arranged at the wheel face of described female thread gear 12
The centre position in axial direction gone up, and the wheel face being positioned at described gear both sides is shiny surface, two bearings 101a
(such as deep groove ball bearing) be sheathed on respectively as described in the two ends of female thread gear 12 connecting shaft 10 as described in being fixed on
In.Bearing 101a described in two is set in the two ends of described female thread gear 12, both can realize described interior spiral shell
The stricture of vagina gear 12 rotation in described connecting shaft 10, it is also possible to utilize described bearing 101a in described connecting shaft
The fixing axial location realizing the described the most described connecting shaft of female thread gear 12 10 in 10, makes described interior
Helical gear 12 only in described connecting shaft 10 rotate and can not moving axially along described connecting shaft 10.Institute
The sidewall stating connecting shaft 10 offers the opening exposing described female thread gear 12, it addition, described female thread
The center of gear 12 offers screw.
The side of described connecting shaft 10 is fixed with a motor fixing plate 101b, and described motor 13 is fixed on described
On motor fixing plate 101b, described motor fixing plate 101b is fixed with trigonometry also by fillister head screw
Blue 101c, arranges an axle sleeve 101d in described triangle flange 101c.The structure of described little gear 14 is with described
The structure of female thread gear 12 is similar to, and is also that centre position has gear, and two ends are not provided with the gear teeth, described
The two ends of little gear 14 compare its partial radius that gear teeth are set less and to both sides extend, described little gear 14
One end be plugged in described axle sleeve 101d and realize passing with described motor 13 in described triangle flange 101c
Being dynamically connected, the most described motor 13 can drive described little gear 14 to rotate on described triangle flange 101c.
Described little gear 14 is positioned at and exposes the described opening part of described female thread gear 12 in described connecting shaft 10 and wear
Cross described opening to engage with described female thread gear 12.
Described core bar 15 is placed in described cavity 100, and one end of described core bar 15 is provided with external screw thread also
It is inserted in the screw of described female thread gear 12 and threadeds to be formed with described female thread gear 12.When
When described female thread gear 12 rotates, described core bar 15 by with the threadeding of described female thread gear 12
And rotate axially moving along a straight line along described connecting shaft 10 in described connecting shaft 10 simultaneously.
As shown in Figures 3 and 4, the other end of described core bar 15 is formed with ball 11 described in unidirectional pushing tow
Inclined-plane 152a and the axially extended support surface 152b along described core bar 15, described inclined-plane 152a is with described
Distance between the central axis of core bar 15 is gradually reduced, in institute along the direction away from described female thread gear 12
State before inclined-plane 152a do not contacts with described ball 11, the sidewall of described core bar 15 and described connecting shaft 10
Medial wall between there is the space being large enough to hold described ball 11.Described support surface 152b and described inclined-plane
152a is connected and is positioned at the described inclined-plane 152a central axis side farther out from described core bar 15, i.e. described
After ball 11 described in inclined-plane 152a pushing tow, described ball 11 is to be locked to described support surface 152b.
As it is shown in figure 5, one end of described adapter bolt 2 coordinates fixing with large-sized bolt (not shown),
And the other end offers the opening inserted the one end for described connecting shaft 10 and forms a chamber 20, described chamber
Groove 21 that is corresponding with described lock opening 102c and that snap in is offered for described ball 11 part in room 20,
Described groove 21 can be the spheric corresponding with the profile of described ball 11 and arrange multiple, it is also possible to be
One overall groove 21 around described chamber 20 inwall one circle, as long as the part of described ball 11 can be housed
?.
Refer to Fig. 6, Fig. 7, when needs use operation device operation large-sized bolt, by large-sized bolt and institute
State adapter bolt 2 to fix, described adapter bolt 2 is inserted in one end of described connecting shaft 10, then opens
Dynamic described motor 13, described motor 13 drives described little gear 14 to rotate, and described little gear 14 is by engagement
Relation drives described female thread gear 12 to rotate, and the rotation of described female thread gear 12 is then by with described
The threaded linear motion being changed into described core bar 15 of core bar 15, concrete, it is to promote described core bar
15 move towards the direction of described adapter bolt 2, be now arranged at described core bar 15 the other end described tiltedly
Face 152a moves to contact with described ball 11 and described ball 11 part pushing tow is gone out described lock opening
102c, makes described ball 11 be partially in described groove 21.Described core bar 15 continues to move to, described tiltedly
Described ball 11 is pushed to described support surface 152b, described support surface 152b and described ball 11 by face 152a
Described ball 11 is also pressed in described groove 21 by contact, the most described support surface 152b and described groove
21 engage described ball 11 jointly, and described support surface 152b can keep this top to described ball 11
Thrust.Compared with using ball 11 described in inclined-plane 152a pushing tow completely, utilize axial along described core bar 15
Described ball 11 is supported by the described support surface 152b extended, and is more beneficial for maintaining described ball 11
Locking state, be i.e. prevented from described ball 11 on inclined-plane 152a back skating and cause locking state to lose efficacy.Need
When unlocking described adapter bolt 2, making described motor 13 rotate backward, the most described core bar 15 is away from institute
Stating adapter bolt 2 to move, described ball 11 departs from described groove 21 via described inclined-plane 152a and returns to institute
Stating in connecting shaft 10, locking state is released from.When the faults such as motor 13 stall occur, it is also possible to pass through
Described in hand rotation, little gear 14 carries out manual unlocking.
The present invention compared with prior art, owing to the present invention utilizes described motor 13 and little gear 14, female thread
Connection between gear 12 and core bar 15, transmission make described core bar 15 become the execution machine carrying out locking action
Structure, and utilize the described inclined-plane 152a on described core bar 15 to carry out ball 11 described in pushing tow to enter described groove 21,
The locking of described ball 11 is fixed between described connecting shaft 10 and described adapter bolt 2, thus promotes
Described connection is connected with the device 1 of locking large-sized bolt with the formation of described adapter bolt 2 and locks, bolt
The operation device such as rotating machine arm can be by the device 1 of described connection and locking large-sized bolt to large-sized bolt
Operate.It addition, the locking action of described ball 11 comes from the linear motion of described core bar 15, and
The linear motion of described core bar 15 is driven with its threaded engagement, therefore by described female thread gear 12 again
When described motor 13 does not works, described threaded engagement can form self-locking, makes described core bar 15 to go out
Move along a straight line the most unexpectedly, thus ensure that described connection and the device 1 locking large-sized bolt and described bolt
Stable connection locking is formed between adapter 2, safe and reliable.
Review Fig. 1 and combine Fig. 2, Fig. 3, in another further preferred embodiment, the present invention connect with
The device 1 of locking large-sized bolt also includes end-cover axle 16, reduction box 17 and inductive component 18.
In the present embodiment, the other end of described connecting shaft 10 radially expands the accommodating described female thread gear of formation
Gear chamber 101e of 12, the side of described gear chamber 101e has diapire, and opposite side is open architecture, exposes
The opening of described female thread gear 12 is just arranged at the sidewall of described gear chamber 101e.Described female thread gear
12 are arranged in described gear chamber 101e by described bearing 101a.Described end-cover axle 16 is also generally hollow
Structure and be fixed on described connecting shaft 10 away from one end of described adapter bolt 2 and with described gear chamber 101e
Diapire jointly position described female thread gear 12.Another effect of described end-cover axle 16 is to rotate with bolt
The operation device such as mechanical hand is attached, and therefore can carry out the change in structure according to different operating device.
It is preferred that described connecting shaft 10 uses alloy steel forging, to bear bigger power or moment of torsion with end-cover axle 16.
Described reduction box 17 also is secured to described motor fixing plate 101b and is connected to the power of described motor 13
Output shaft, the output shaft of described reduction box 17 penetrate in described triangle flange 101c and with described little gear 14
Fixing.Described reduction box 17 can provide the power output being suitable for for described little gear 14.
Described inductive component 18 includes two proximity switch 181 and sensor blocks 182.Pacify in described connecting shaft 10
Filling a switch bracket 101f, proximity switch 181 described in two is arranged at institute along described connecting shaft 10 axially spaced-apart
State switch bracket 101f.Described sensor block 182 is fixed on described core bar 15, and described connecting shaft 10 is opened
Being provided with the opening passed for described sensor block 182, this opening has certain radian for described sensor block 182
Follow described core bar 15 to rotate.Described sensor block 182 follows described core bar 15 in proximity switch 181 described in two
Between move back and forth, described proximity switch 181 electrically connects with described motor 13.When described motor 13 starts
After, described core bar 15 moves along a straight line, and described sensor block 182 fixing on described core bar 15 can be followed
Described core bar 15 moves along a straight line between proximity switch described in two 181 back and forth, thus alternately trigger this two
Individual proximity switch 181, by proximity switch described in two 181 being electrically connected to described motor 13, just can profit
Control the keying of described motor 13 with described proximity switch 181, and then it is large-scale with locking to realize described connection
The device 1 of bolt is automatically attached locking or gets loose with adapter bolt 2.Proximity switch 181 described in two
Between distance be configured according to the required trigger interval time.
Described connecting shaft 10 includes the connecting shaft body 101 of hollow, gripping head 102 in the present embodiment and connects
Female connector cylinder 103.Described core bar 15 then includes screw mandrel 151 and the latch segment 152 being mutually permanently connected.
One end of described screw mandrel 151 is connected with described female thread gear 12, and described latch segment 152 is by interior six
Angle fillister head screw is fixed on the other end of described screw mandrel 151, described inclined-plane 152a and described support surface 152b
It is formed at described latch segment 152.Described latch segment 152 and described silk 151 bar is why utilized to form described core
Bar 15, is for the convenience in machine-shaping.
Described connecting shaft body 101 arranges described female thread gear 12, motor 13, reduction box 17, little gear
14 and inductive component 18 one end of accommodating described core bar 15, described locking teeth 102a and connection-peg 102b
Be formed at described gripping head 102, described gripping head 102 cover at the other end of described core bar 15 and have by
Described core bar 15 is limited to the confined planes 102d in described connecting shaft 10.Specifically, described confined planes 102d
It is formed at the medial wall of described connection-peg 102b and is phase with the described inclined-plane 152a on described latch segment 152
Same slope trend, therefore after described inclined-plane 152a touches described confined planes 102d, described core bar
15 just can not be further continued for moving axially.
Described branch sleeve 103 is socketed on the junction of described connecting shaft body 101 and described gripping head 102
And use elastic cylindrical pin to fix described connecting shaft body 101 and described gripping head 102.By described connecting shaft
10 are set to the mode combined by described connecting shaft body 101, gripping head 102 and branch sleeve 103,
It is able to first be put into by described core bar 15 described connecting shaft body 101, then overlaps described gripping head of closing
102 and to utilize the described confined planes 102d arranged in described gripping head 102 to be limited in by described core bar 15 described
In connecting shaft 10, it is to avoid owing to the core bar 15 that motor 13 works excess or other reasons causes is from described connection
Situation about passing in axle 10, prevents described adapter bolt 2 or large-sized bolt damaged.
The difference of the present embodiment and first embodiment also resides in and is also arranged with a slip ring 161 in described end-cover axle 16,
It is fixed with limited support 162 on described slip ring 161.Described little gear 14 is then fixed on described connection by one
The dust cover 101g protection of axle 10.
The above disclosed preferred embodiments being only the present invention, its effect is to facilitate those skilled in the art
Member understands and also implements according to this, certainly can not limit the interest field of the present invention with this, therefore according to Shen of the present invention
Please the equivalent variations made of the scope of the claims, still fall within the scope that the present invention is contained.