CN104015045B - Connect and the device of locking large-sized bolt - Google Patents

Connect and the device of locking large-sized bolt Download PDF

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Publication number
CN104015045B
CN104015045B CN201410265259.9A CN201410265259A CN104015045B CN 104015045 B CN104015045 B CN 104015045B CN 201410265259 A CN201410265259 A CN 201410265259A CN 104015045 B CN104015045 B CN 104015045B
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CN
China
Prior art keywords
connecting shaft
core bar
gear
female thread
bolt
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CN201410265259.9A
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Chinese (zh)
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CN104015045A (en
Inventor
李晓
吴玉
王爱丽
李志�
刘治
刘青松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
Lingao Nuclear Power Co Ltd
Original Assignee
China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
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Priority to CN201410265259.9A priority Critical patent/CN104015045B/en
Publication of CN104015045A publication Critical patent/CN104015045A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/06Screw or nut setting or loosening machines

Abstract

The present invention discloses a kind of connection and the device of locking large-sized bolt, and large-sized bolt is fixed with adapter bolt, and this device includes connecting shaft, motor, little gear, female thread gear, core bar and locking member;Connecting shaft offers the cavity running through setting, in female thread gear is arranged at cavity and axially position, female thread gear offers screw, motor and little gear are arranged at connecting shaft side, motor is connected with pinion drive, little gear engages with female thread gear, core bar is placed in cavity and threadeds with female thread gear in one end, connecting shaft one end is inserted in adapter bolt, locking member is arranged at connecting shaft one end, offering the groove snapped in for locking member in adapter bolt, core bar activity pushing tow locking member is locked to connecting shaft and groove.This device utilize little gear and female thread gear engage and the threaded engagement of female thread gear and core bar realizes core bar linear motion, core bar pushing tow locking member at the volley is locked to groove, thus device can be connected locking with adapter bolt.

Description

Connect and the device of locking large-sized bolt
Technical field
The present invention relates to mechanical design field, particularly relate to a kind of dress large-sized bolt being attached and locking Put.
Background technology
In big machinery device or the design of equipment and using, it is often necessary to use large-sized bolt as fastening Part carrys out the different parts of attachment means or equipment, it is achieved device or the installation of equipment.Additionally, large-sized bolt Effect also includes utilizing threaded engagement to provide reliable sealing etc..Such as in technical field of nuclear power, nuclear power The pressure vessel in containment of standing is used for housing nuclear reactor, and nuclear reactor is located in its work process always In a large amount of radiation of degradation mode generation, therefore pressure vessel needs have great intensity and sealing hinders Every leaking outside of radiation, the material manufacturing pressure vessel is not only had required by this.Also pressure is contained in assembling During use securing member have strict demand.Large-sized bolt can be used in pressure vessel as securing member In, but after nuclear reactor begins to use, personnel cannot be near pressure vessel, it is therefore desirable to bolt revolves Turn the operation devices such as mechanical hand large-sized bolt to be operated, debugs, and the premise realizing operation is bolt rotation Turning the operation devices such as mechanical hand to be connected with adapter bolt and clamping screw adapter, wherein bolt is adaptive Device is to coordinate fixing parts peculiar with large-sized bolt, lacks and this can connect and lock greatly in prior art The device of type bolt.
Therefore, it is necessary to provide one can connect and locking large-sized bolt, and there is auto-lock function, connect Reliable and stable device.
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.
Accompanying drawing explanation
Fig. 1 is the axonometric chart that the present invention connects the device with locking large-sized bolt.
Fig. 2 is the side view that the present invention connects the device with locking large-sized bolt.
Fig. 3 be connect with locking large-sized bolt device along Fig. 2 A to sectional view.
Fig. 4 is the enlarged drawing in Fig. 3 at B.
Fig. 5 is the sectional view of adapter bolt.
Fig. 6 is to connect the sectional view after the device with locking large-sized bolt inserts adapter bolt.
Fig. 7 is the enlarged drawing in Fig. 6 at C.
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.

Claims (10)

1. connecting and a device for locking large-sized bolt, described large-sized bolt coordinates fixing with adapter bolt, It is characterized in that: the device of described connection and locking large-sized bolt includes connecting shaft, motor, little gear, interior Helical gear, core bar and locking member;
Offer vertically in described connecting shaft in the cavity running through setting,
It is arranged in described cavity described female thread pinion rotation and the most described connecting shaft axially positions, and The center of described female thread gear offers screw,
The sidewall of described connecting shaft has the opening exposing described female thread gear, described motor and little gear and sets Being placed in the side of described connecting shaft, described motor is connected with described pinion drive, and described little gear is positioned at institute State opening part and engage with described female 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 is threadeded to be formed with described female thread gear,
One end of described connecting shaft is inserted in described adapter bolt, and described locking member is movably set in described company The sidewall of spindle, offers the groove snapped in for described locking member part, described core bar in described adapter bolt Locking member described in movable pushing tow is locked between described connecting shaft and described groove.
2. the device connected and lock large-sized bolt as claimed in claim 1, it is characterised in that: described connection The sidewall of axle offers the lock opening corresponding with described groove, described locking member in described lock opening along institute State radially sliding of connecting shaft.
3. the device connected and lock large-sized bolt as claimed in claim 1, it is characterised in that: described core bar Sidewall be formed with the inclined-plane of locking member described in unidirectional pushing tow, between the central axis of described inclined-plane and described core bar Distance be gradually reduced along away from the direction of described female thread gear.
4. the device connected and lock large-sized bolt as claimed in claim 3, it is characterised in that: described core bar Also having the axially extended support surface along described core bar, described support surface is connected with described inclined-plane and is positioned at institute Stating the central axis side farther out from described core bar, the inclined-plane, described support surface and described groove engage institute jointly State locking member.
5. the device connected and lock large-sized bolt as claimed in claim 4, it is characterised in that: described core bar Including screw mandrel and latch segment, one end of described screw mandrel is connected with described female thread gear, and described latch segment is fixed In the other end of described screw mandrel, described inclined-plane and described support surface are formed at described latch segment.
6. the device connected and lock large-sized bolt as claimed in claim 1, it is characterised in that: described connection Axle includes that connecting shaft body, gripping head and the branch sleeve of hollow, described connecting shaft body house described core bar One end, described gripping head covers at the other end of described core bar and has described core bar is limited to described company Confined planes in spindle, described branch sleeve is socketed on the junction of described connecting shaft body and described gripping head And fix described connecting shaft body and described gripping head.
7. the device connected and lock large-sized bolt as claimed in claim 1, it is characterised in that: described interior spiral shell The gear teeth of stricture of vagina gear are arranged at the centre position that the wheel face of described female thread gear is in axial direction gone up, and are positioned at The wheel face of described gear both sides is shiny surface, and two bearings is sheathed on the two ends of described female thread gear respectively and consolidates In described connecting shaft.
8. the device connected and lock large-sized bolt as claimed in claim 1, it is characterised in that: also include one Reduction box, described reduction box be arranged between described motor and described little gear and with described motor and little gear It is in transmission connection.
9. the device connected and lock large-sized bolt as claimed in claim 1, it is characterised in that: described connection Being provided with two proximity switches on axle, described core bar is fixed with a sensor block, described sensor block passes described company Spindle and follow described core bar described in two between proximity switch back and forth, described proximity switch and described motor electricity Connect.
10. the device connected and lock large-sized bolt as claimed in claim 1, it is characterised in that: described company The other end of spindle radially expands the gear chamber forming accommodating described female thread gear, described connection and locking The device of large-sized bolt also includes that end-cover axle, described end-cover axle are fixed on described connecting shaft and fit away from described bolt One end of orchestration also positions described female thread gear jointly with the diapire of described gear chamber.
CN201410265259.9A 2014-06-13 2014-06-13 Connect and the device of locking large-sized bolt Active CN104015045B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047456A (en) * 1974-12-17 1977-09-13 Kraftwerk Union Aktiengesellschaft Motor-driven screwing and transporting tool for reactor pressure vessel head retaining fastenings
JPH0639028B2 (en) * 1985-01-24 1994-05-25 松下電器産業株式会社 Rotary suction insertion device
JP5005290B2 (en) * 2006-08-11 2012-08-22 株式会社ニューギン Automatic screw tightening machine for pachinko machine outer frame manufacturing.
CN201376181Y (en) * 2008-12-02 2010-01-06 江苏华阳重工科技股份有限公司 Extra-large nut hydraulic pressure loading and unloading device for ship
JP2010179414A (en) * 2009-02-05 2010-08-19 Honda Motor Co Ltd Nut runner
CN202934327U (en) * 2012-11-20 2013-05-15 上海东新冶金技术工程有限公司 Large-sized nut dismounting device
CN103394907B (en) * 2013-08-20 2015-09-16 哈尔滨工业大学 A kind of large tolerance bolt automatic installation apparatus
CN203956472U (en) * 2014-06-13 2014-11-26 中科华核电技术研究院有限公司 Connect the device with locking large-sized bolt

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