Summary of the invention
The object of the present invention is to provide one can connect and locking large-sized bolt, and have auto-lock function, stable connection installs reliably.
To achieve these goals, the invention provides a kind of connection and the device of locking large-sized bolt, described large-sized bolt and adapter bolt are fixed, and described connection comprises connecting axle, motor, pinion, internal thread gear, core bar and locking member with the device of locking large-sized bolt.In described connecting axle, offer vertically and be the cavity that runs through setting.Described internal thread gear is arranged in described cavity and relatively described connecting axle axial location rotationally, and the center of described internal thread gear offers screw.The sidewall of described connecting axle has the opening that exposes described internal thread gear, described motor and pinion are arranged at a side of described connecting axle, described motor is connected with described pinion drive, and described pinion is positioned at described opening part and engages with described internal thread gear.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 to form and to be threaded with described internal thread gear.Insert in described adapter bolt one end of described connecting axle, described locking member is movably set in the sidewall of described connecting axle, in described adapter bolt, offer the groove snapping in for described locking member part, locking member is limited between described connecting axle and described groove described in the movable pushing tow of described core bar.
Compared with prior art, because connecting, the present invention driven by described motor with pinion described in the device of locking large-sized bolt and the while engages with described internal thread gear, and described internal thread gear forms threaded connection relation with described core bar, therefore in the time of described machine operation, the rotation of described pinion passes to described internal thread gear, the rotation of described internal thread gear changes the rectilinear motion of described core bar into by being threaded, when described core bar is in described connecting axle when rectilinear motion, its end pushing tow is movably set in the described locking member on described connecting axle, described locking member part snaps in the described groove of offering on described adapter bolt, and simultaneously described locking member also keeps and the annexation of described connecting axle, therefore, described locking member is limited between described groove and described connecting axle, make described connection form and be connected and lock with described adapter bolt with the device of locking large-sized bolt, the operating means such as bolt rotating machine arm can operate large-sized bolt by described connection and the device of locking large-sized bolt.In addition, the locking action of described locking member comes from the rectilinear motion of described core bar, and the rectilinear motion of described core bar is driven by described internal thread gear and its threaded engagement, therefore in the time that described motor is not worked, described threaded engagement can form self-locking, make described core bar cannot occur unexpected rectilinear motion, thereby ensured to form the stable locking that is connected between described connection and the locking device of large-sized bolt and described adapter bolt, safe and reliable.
The sidewall of described connecting axle is offered the lock opening corresponding with described groove, and described locking member is radially sliding along described connecting axle in described lock opening.Described lock opening is that effect is accommodating described locking member, allows again described locking member stretch out and partly snap in described groove from described connecting axle simultaneously, to realize the engagement of described locking member between described connecting axle and adapter bolt.
Preferably, the sidewall of described core bar is formed with the inclined-plane of locking member described in unidirectional pushing tow, and the distance between the central axis of described inclined-plane and described core bar is along reducing gradually away from the direction of described internal thread gear.When described core bar is during towards described adapter bolt rectilinear motion, described inclined-plane contacts with described locking member and the part of described locking member is ejected outside described connecting axle and snap in described groove.
Particularly, described core bar also has the axially extended support surface along described core bar, described support surface be connected with described inclined-plane and be positioned at described inclined-plane from the central axis of described core bar the side away from, locking member described in described support surface and the common engagement of described groove.Described inclined-plane is snapping in described locking member urging portion after described groove, described support surface moves to and contacts with described locking member and keep this jacking force of described core bar to described locking member, compared with described inclined-plane, be more conducive to maintain the engagement state of described locking member along the axially extended described support surface of described core bar.
At length, described core bar comprises screw mandrel and latch segment, and one end of described leading screw is connected with described internal thread gear, and described latch segment is fixed on the other end of described screw mandrel, and described inclined-plane and described support surface are formed at described latch segment.
Preferably, described connecting axle comprises connecting axle body, gripping head and the branch sleeve of hollow, one end of the accommodating described core bar of described connecting axle body, described gripping head covers at the other end of described core bar and has described core bar is limited to the confined planes in described connecting axle, and described branch sleeve is socketed on junction fixing described connecting axle body and the described gripping head of described connecting axle body and described gripping head.Described linking axes is set to the mode being combined by described connecting axle body, gripping head and branch sleeve, in order first described core bar to be put into described connecting axle body, the above gripping head of fit utilize the described confined planes arranging in described gripping head that described core bar is limited in described connecting axle again, avoid situation about passing due to the core bar that machine operation is excessive or other reasons causes from described connecting axle, prevent that described adapter bolt or large-sized bolt are damaged.
Preferably, the gear teeth of described internal thread gear are arranged at the centre position that the wheel face of described internal thread gear is in axial direction gone up, and the wheel face that is positioned at described gear both sides is shiny surface, two bearings is sheathed on respectively the two ends of described internal thread gear and is fixed in described connecting axle.Described in two, bearing holder (housing, cover) is located at the two ends of described internal thread gear, both can realize the rotation of described internal thread gear in described connecting axle, also can utilize the axial location that fixedly realize described internal thread gear of described bearing in described connecting axle.
Preferably, also comprise a reduction box, described reduction box is arranged between described motor and described pinion and with described motor and pinion drive and is connected.Described motor and reduction box can provide applicable power output for described pinion.
Preferably, on described connecting axle, be provided with two approach switchs, on described core bar, be fixed with a sensor block, described sensor block pass described connecting axle and follow described core bar described in two between approach switch back and forth, described approach switch is electrically connected with described motor.When after described electric motor starting, described core bar does rectilinear motion, and fixing described sensor block can be followed described core bar and done back and forth rectilinear motion described in two between approach switch on described core bar, thereby alternately triggers this two approach switchs, by approach switch described in two is electrically connected on to described motor, just can utilize described approach switch to control the keying of described motor, and then realize described connection and automatic the connection with adapter bolt of device of locking large-sized bolt lock or get loose.
Preferably, the other end of described connecting axle is radially expanded the gear chamber that forms accommodating described internal thread gear, described connection also comprises end-cover axle with the device of locking large-sized bolt, and described end-cover axle is fixed on described connecting axle locates described internal thread gear jointly away from one end of described adapter bolt and with the diapire of described gear chamber.
Detailed description of the invention
Below in conjunction with the Figure of description providing, preferred embodiment of the present invention is made to description.
The invention provides a kind of connection and the device of locking large-sized bolt, and described large-sized bolt is general and adapter bolt is fixed, therefore described connection is actual with the device of locking large-sized bolt is to be connected locking with described adapter bolt.
Incorporated by reference to shown in Fig. 1 to Fig. 4, described connection comprises connecting axle 10, locking member 11, internal thread gear 12, motor 13, pinion 14 and core bar 15 with the device 1 of locking large-sized bolt.
In described connecting axle 10, offer vertically and be the cavity 100 that runs through setting, one end of described connecting axle 10 is connected with described adapter bolt 2 (shown in Fig. 5), this one end of described connecting axle 10 is except being provided with the locking teeth 102a coordinating with described adapter bolt 2, also shrink 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 is according to needed coupling mechanism force setting, offer in the present embodiment six, and six described lock opening 102c being circumferentially uniformly distributed along described connecting axle 10.Described locking member 11 be arranged at actively the sidewall of described connection-peg 102b and along described connecting axle 10 stretch out with radially sliding or retraction described in connection-peg 102b.Particularly, described locking member 11 is the roughly the same ball 11 of diameter and described lock opening 102c width, and the quantity of described ball 11 is identical with described lock opening 102c and be placed in respectively in six described lock opening 102c.The effect of described lock opening 102c is accommodating described ball 11, allows again described ball 11 to stretch out to realize the engagement of described ball 11 between described connecting axle 10 and described adapter bolt 2 from described connecting axle 10 simultaneously.One end of described connecting axle 10 can arrange and be different structure to be connected with the adapter bolt 2 of different size.
Described internal thread gear 12 is arranged at rotationally in described cavity 100 and is positioned at the other end of described connecting axle 10, particularly, the gear teeth of described internal thread gear 12 are arranged at the centre position that the wheel face of described internal thread gear 12 is in axial direction gone up, and the wheel face that is positioned at described gear both sides is shiny surface, as described in two bearings 101a (as deep groove ball bearing) is sheathed on respectively the two ends of internal thread gear 12 and be fixed on as described in connecting axle 10.Described in two, bearing 101a is set in the two ends of described internal thread gear 12, both can realize the rotation of described internal thread gear 12 in described connecting axle 10, also can utilize the axial location that fixedly realize described internal thread gear 12 relatively described connecting axle 10 of described bearing 101a in described connecting axle 10, make 12 of described internal thread gears in the interior rotation of described connecting axle 10 and can not moving axially along described connecting axle 10.The sidewall of described connecting axle 10 offers the opening that exposes described internal thread gear 12, and in addition, the center of described internal thread gear 12 offers screw.
One side of described connecting axle 10 is fixed with a motor fixing plate 101b, described motor 13 is fixed on described motor fixing plate 101b, on described motor fixing plate 101b, be also fixed with triangle flange 101c by fillister head screw, in described triangle flange 101c, an axle sleeve 101d be set.The structure of the structure of described pinion 14 and described internal thread gear 12 is similar, also be that centre position has gear, and two ends do not arrange the gear teeth, it is less and extend to both sides that its part radius that gear teeth are set is compared at the two ends of described pinion 14, one end of described pinion 14 is plugged in described axle sleeve 101d and in described triangle flange 101c and realizes and being in transmission connection with described motor 13, and described motor 13 can drive described pinion 14 to rotate on described triangle flange 101c.Described pinion 14 is positioned at and on described connecting axle 10, exposes the described opening part of described internal thread gear 12 and engage with described internal thread gear 12 through described opening.
Described core bar 15 is placed in described cavity 100, and one end of described core bar 15 is provided with external screw thread and is inserted in the screw of described internal thread gear 12 to form and to be threaded with described internal thread gear 12.In the time that described internal thread gear 12 rotates, described core bar 15 axially does rectilinear motion along described connecting axle 10 by rotating with being threaded of described internal thread gear 12 simultaneously described connecting axle 10 is interior.
As shown in Figures 3 and 4, the other end of described core bar 15 is formed with the inclined-plane 152a of ball 11 described in unidirectional pushing tow and the axially extended support surface 152b along described core bar 15, distance between the central axis of described inclined-plane 152a and described core bar 15 is along reducing gradually away from the direction of described internal thread gear 12, before described inclined-plane 152a does not contact with described ball 11, between the sidewall of described core bar 15 and the madial wall of described connecting axle 10, there is the space of being large enough to hold described ball 11.Described support surface 152b be connected with described inclined-plane 152a and be positioned at described inclined-plane 152a from the central axis of described core bar 15 side away from, described in described inclined-plane 152a pushing tow after ball 11, described ball 11 is to be limited to described support surface 152b.
As shown in Figure 5, one end of described adapter bolt 2 and large-sized bolt (not shown) are fixed, and the other end offers the opening inserting for one end of described connecting axle 10 and forms a chamber 20, in described chamber 20, offer groove 21 corresponding with described lock opening 102c and that snap in for described ball 11 parts, described groove 21 can be the spheric corresponding with the profile of described ball 11 and arrange multiple, also can be an overall groove 21 enclosing around described chamber 20 inwalls one, as long as part that can accommodating described ball 11.
Please refer to Fig. 6, Fig. 7, in the time that needs use operating means operation large-sized bolt, by fixing to large-sized bolt and described adapter bolt 2, described adapter bolt 2 is inserted in one end of described connecting axle 10, then start described motor 13, described motor 13 drives described pinion 14 to rotate, described pinion 14 drives described internal thread gear 12 to rotate by meshing relation, the rotation of described internal thread gear 12 is by changing the rectilinear motion of described core bar 15 into being threaded of described core bar 15, concrete, to promote described core bar 15 to move towards the direction of described adapter bolt 2, the described inclined-plane 152a that is now arranged at the other end of described core bar 15 moves to and contacts with described ball 11 and described ball 11 part pushing tows are gone out to described lock opening 102c, described ball 11 parts are entered in described groove 21.Described core bar 15 continues mobile, described ball 11 is pushed to described support surface 152b by described inclined-plane 152a, described support surface 152b contacts with described ball 11 and described ball 11 is pressed in described groove 21, now ball 11 described in described support surface 152b and the common engagement of described groove 21, and described support surface 152b can keep this jacking force to described ball 11.Compared with ball 11 described in using inclined-plane 152a pushing tow completely, utilize and along the axially extended described support surface 152b of described core bar 15, described ball 11 is supported, more be conducive to maintain the engagement state of described ball 11, can prevent described ball 11 on inclined-plane 152a back skating and cause locking state lost efficacy.While needing described in release adapter bolt 2, described motor 13 is rotated backward, described core bar 15 moves away from described adapter bolt 2, and described ball 11 departs from described groove 21 via described inclined-plane 152a to be got back in described connecting axle 10, and locking state is disengaged.In the time there is the faults such as motor 13 stalls, can also carry out manual unlocking by pinion described in hand rotation 14.
The present invention compared with prior art, because the present invention utilizes described motor 13 and pinion 14, connection between internal thread gear 12 and core bar 15, transmission makes described core bar 15 become the executing agency that carries out locking action, and utilize described inclined-plane 152a on described core bar 15 to carry out ball 11 described in pushing tow to enter described groove 21, described ball 11 engagements are fixed between described connecting axle 10 and described adapter bolt 2, thereby impel described connection to form and be connected and lock with described adapter bolt 2 with the device 1 of locking large-sized bolt, the operating means such as bolt rotating machine arm can operate by described connection and 1 pair of large-sized bolt of device of locking large-sized bolt.In addition, the locking action of described ball 11 comes from the rectilinear motion of described core bar 15, and the rectilinear motion of described core bar 15 is driven by described internal thread gear 12 and its threaded engagement, therefore in the time that described motor 13 is not worked, described threaded engagement can form self-locking, make described core bar 15 cannot occur unexpected rectilinear motion, thereby ensured to form the stable locking that is connected between described connection and the locking device 1 of large-sized bolt and described adapter bolt 2, safe and reliable.
Review Fig. 1 and in conjunction with Fig. 2, Fig. 3, in another preferred embodiment, the present invention connects with the device 1 of locking large-sized bolt and also comprises end-cover axle 16, reduction box 17 and inductive component 18.
In the present embodiment, the other end of described connecting axle 10 is radially expanded the gear chamber 101e that forms accommodating described internal thread gear 12, a side of described gear chamber 101e has diapire, opposite side is open architecture, and the opening that exposes described internal thread gear 12 is just arranged at the sidewall of described gear chamber 101e.Described internal thread gear 12 is arranged in described gear chamber 101e by described bearing 101a.Described end-cover axle 16 be equally the structure of hollow and be fixed on described connecting axle 10 away from one end of described adapter bolt 2 and with the described internal thread gear 12 in the common location of the diapire of described gear chamber 101e.Another effect of described end-cover axle 16 is to be connected with operating means such as bolt rotating machine arms, therefore can carry out structural change according to different operating device.Preferably, described connecting axle 10 uses alloy steel forging with end-cover axle 16, to bear larger power or moment of torsion.
Described reduction box 17 is also fixed on described motor fixing plate 101b and is connected in the power output shaft of described motor 13, and the output shaft of described reduction box 17 penetrates in described triangle flange 101c and with described pinion 14 and fixes.Described reduction box 17 can provide applicable power output for described pinion 14.
Described inductive component 18 comprises two approach switchs 181 and a sensor block 182.One switch bracket 101f is installed on described connecting axle 10, and described in two, approach switch 181 is along the described switch bracket 101f of being arranged at of described connecting axle 10 axially spaced-aparts.Described sensor block 182 is fixed on described core bar 15, offers the opening passing for described sensor block 182 on described connecting axle 10, and this opening has certain radian and follows described core bar 15 for described sensor block 182 and rotate.Described sensor block 182 is followed described core bar 15 and is moved around between approach switch described in two 181, and described approach switch 181 is electrically connected with described motor 13.After described motor 13 starts, described core bar 15 does rectilinear motion, and fixing described sensor block 182 can be followed described core bar 15 do back and forth rectilinear motion between approach switch described in two 181 on described core bar 15, thereby alternately triggers this two approach switchs 181, by approach switch described in two 181 being electrically connected on to described motor 13, just can utilize described approach switch 181 to control the keying of described motor 13, and then realize described connection and automatic the connection with adapter bolt 2 of device 1 of locking large-sized bolt lock or get loose.Distance described in two between approach switch 181 arranged according to the needed trigger interval time.
Described connecting axle 10 comprises connecting axle body 101, gripping head 102 and the branch sleeve 103 of hollow in the present embodiment.Described core bar 15 comprises the screw mandrel 151 and the latch segment 152 that are mutually permanently connected.
One end of described leading screw 151 is connected with described internal thread gear 12, and described latch segment 152 is fixed on the other end of described screw mandrel 151 by hexagon socket cap head screw, and described inclined-plane 152a and described support surface 152b are formed at described latch segment 152.Why utilizing described latch segment 152 and described silk 151 bars to form described core bar 15, is for the convenience in machine-shaping.
Described connecting axle body 101 arranges one end of described internal thread gear 12, motor 13, reduction box 17, pinion 14 and inductive component 18 accommodating described core bar 15, described locking teeth 102a and connection-peg 102b are formed at described gripping head 102, and described gripping head 102 covers at the other end of described core bar 15 and has described core bar 15 is limited to the confined planes 102d in described connecting axle 10.Particularly, described confined planes 102d is formed at the madial wall of described connection-peg 102b and is identical slope trend with the described inclined-plane 152a on described latch segment 152, therefore after described inclined-plane 152a touches described confined planes 102d, described core bar 15 just can not continue to move axially again.
Described branch sleeve 103 is socketed on the junction of described connecting axle body 101 and described gripping head 102 and uses the fixing described connecting axle body 101 of elastic cylindrical pin and described gripping head 102.Described connecting axle 10 is set to the mode being combined by described connecting axle body 101, gripping head 102 and branch sleeve 103, in order first described core bar 15 to be put into described connecting axle body 101, the above gripping head 102 of fit utilize in described gripping head 102 the described confined planes 102d arranging that described core bar 15 is limited in described connecting axle 10 again, avoid, due to motor 13 situation that core bar 15 excessive or that other reasons causes passes from described connecting axle 10 of working, preventing that described adapter bolt 2 or large-sized bolt are damaged.
The difference of the present embodiment and the first embodiment is also to be also arranged with a slip ring 161 in described end-cover axle 16, on described slip ring 161, is fixed with limited support 162.Described pinion 14 is protected by a dust cover 101g who is fixed on described connecting axle 10.
Above disclosed is only preferred embodiments of the present invention, its effect is facilitate those skilled in the art to understand and implement according to this, certainly can not limit with this interest field of the present invention, therefore the equivalent variations of doing according to the present patent application the scope of the claims, still belongs to the scope that the present invention is contained.