CN103878578A - Nut screwing device - Google Patents

Nut screwing device Download PDF

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Publication number
CN103878578A
CN103878578A CN201410103134.6A CN201410103134A CN103878578A CN 103878578 A CN103878578 A CN 103878578A CN 201410103134 A CN201410103134 A CN 201410103134A CN 103878578 A CN103878578 A CN 103878578A
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CN
China
Prior art keywords
described
tighten
tightening device
nut
nut tightening
Prior art date
Application number
CN201410103134.6A
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Chinese (zh)
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CN103878578B (en
Inventor
肖利
孙宇
Original Assignee
中联重科股份有限公司
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Priority to CN201410103134.6A priority Critical patent/CN103878578B/en
Publication of CN103878578A publication Critical patent/CN103878578A/en
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Publication of CN103878578B publication Critical patent/CN103878578B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23POTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts, 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 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
    • B23P19/069Multi-spindle machines

Abstract

The invention discloses a nut screwing device. The nut screwing device comprises a screwing unit, an adjusting unit and a supporting frame (70). The screwing unit comprises a plurality of screwing shafts (21) for screwing tire installing nuts. The adjusting unit is used for enabling the screwing shafts to align with the corresponding tire installing nuts. The adjusting unit is installed on the supporting frame (70), and the screwing unit is hung on the adjusting unit. According to the nut screwing device, the screwing efficiency is improved through the screwing shafts, the screwing shafts can fast align with the corresponding tire installing nuts through the screwing shafts, and therefore the nut screwing device can guarantee the nut screwing efficiency while the operation convenience of the nut screwing device is improved.

Description

A kind of nut tightening device

Technical field

The present invention relates to a kind of fastener installation tool, particularly, relate to a kind of nut tightening device.

Background technology

In mechanical field, in the assembling process of mechanical device, tightening of nut is a very important link, and especially for some large-scale equipment such as crane or truck, tightening of its chassis lug nut is suitable important especially.

In prior art, particularly for the formula operation of platform position, (the formula operation of so-called platform position and streamline are just the opposite, the formula operation of platform position be by the equipment that will assemble in appointed place disposable completing, rather than as streamline, after completing an operation, need the equipment moving of required assembling to carry out next process to next station), repeatedly tighten the mounting nuts of a tire by the mode of right-angled intersection for the most employing pneumatic impact wrench of tightening of chassis lug nut, then repeat by same step, the mounting nuts by other tire has one by one been tightened tire assembling.Like this, by adopting pneumatic impact wrench to tighten tire mounting nuts, not only to tighten efficiency lower, and lack very strong operability.

Therefore, need to provide a kind of workable, tighten the nut tightening device that efficiency is high, to adapt to the formula operation of platform position.

Summary of the invention

The object of this invention is to provide a kind of workable, tighten the nut tightening device that efficiency is high.

To achieve these goals, the invention provides a kind of nut tightening device, described nut tightening device comprises: tighten unit, described in tighten unit and comprise for many of tightening tire mounting nuts and tighten axle; Aim at the regulon of corresponding tire mounting nuts for tightening axle described in making; And bracing frame, described regulon is arranged on support frame as described above, described in tighten unit and be suspended on described regulon.

Preferably, described regulon comprises top travelling car, base plate, line slide rail, the first linear bearing, the axis of guide, the second linear bearing, hitch and cyclotron mechanism, described in tighten unit and be suspended on the travelling car of described top by described hitch, described line slide rail is fixed on the top of support frame as described above and along extending with the perpendicular first direction of vertical direction, described top travelling car is positioned on described line slide rail and with described line slide rail and is slidably connected, and described in can realizing, tightens the movement of unit along described first direction, described top travelling car has the middle opening of up/down perforation, described base plate is positioned at the bottom of described top travelling car and the middle opening corresponding to described top travelling car, what the bottom of described base plate was paired has been arranged side by side described the second linear bearing, described axis of guide sleeve forms and is slidably connected in described the second linear bearing, and the described axis of guide is along extending with the perpendicular second direction of described first direction, this second direction is perpendicular to described vertical direction, and described axis of guide two ends are arranged in the axis of guide installing hole of travelling car bottom, described top, described in can realizing, tighten the movement of unit along described second direction, described hitch comprises guide post, described the first linear bearing is positioned on described base plate and with described base plate to be fixed, described guide post forms in linear bearing described in being vertically sleeved on described first and is slidably connected, and described in realizing, tightens the movement of unit along described vertical direction, described cyclotron mechanism one end is connected with described hitch, the other end with described in tighten unit and be connected, and described cyclotron mechanism comprises the first articulated structure and the second articulated structure, wherein said the first articulated structure has the hinge axes along described vertical direction, and described the second articulated structure has the hinge axes along described second direction, can rotate and the rotation of described second direction around described vertical direction with respect to described hitch thereby tighten unit described in making.

Preferably, described cyclotron mechanism comprises the first contiguous block, the second contiguous block, connecting axle, convolution piece and the first copper sheathing, described the second contiguous block with described in tighten unit and fix, one end of described the first contiguous block is hinged to form described the second articulated structure by described connecting axle and described the second contiguous block, thereby tightens the rotation of unit along described second direction described in realizing; Described convolution piece is cylindric and is fixed on described hitch, in described gyration block, be inserted with the first copper sheathing, the other end of described the first contiguous block is arranged in described the first copper sheathing, and described the first contiguous block can rotate to form described the first articulated structure in described the first copper sheathing, thereby tighten the rotation of unit around described vertical direction described in realizing.

Preferably, described regulon also comprises balance crane, and described balance crane is positioned at the top of described base plate and is fixed on described base plate.

Preferably, described nut tightening device also comprises safety cable, and described safety cable one end and described base plate are fixed, and the other end and described cyclotron mechanism are fixed.

Preferably, described nut tightening device also comprises the controller of tightening data for setting in advance, this controller is arranged on support frame as described above, described controller with described in tighten unit and be electrically connected, tightening axle described in driving by tightening unit described in controlling.

Preferably, described in tighten unit and comprise and tighten case, this is tightened case inside and is provided with the rotary drive motor for tightening axle rotation described in driving accordingly, described controller is electrically connected on described rotary drive motor.

Preferably, described nut tightening device also comprises the symmetrically arranged safe axle for security protection, described safe axle with described in tighten axle all from described tighten that case stretches out and described safe axle with described in tighten axle and be arranged in parallel.

Preferably, described in to tighten axle be two, and described in two, tighten axial symmetry setting.

Preferably, described in, tighten case and also comprise adjusting motor, reductor, screw mandrel, two mounting blocks, two nut block and two slide blocks, described adjusting motor is connected with described reductor, described reductor is connected to drive this screw mandrel rotation with described screw mandrel, the internal thread rotation of described two nut block to contrary and all with corresponding thread segment threaded engagement on described screw mandrel, described two mounting blocks are set in described two nut block and fix with two described nut block respectively, so that described nut block can drive described mounting blocks to move, two described mounting blocks are fixed with two described slide blocks respectively, described in each, tighten axle through the installing hole on corresponding described slide block and can in described installing hole, rotate with respect to described slide block.

Preferably, support frame as described above comprises the balancing weight for nut tightening device described in balance, and described balancing weight is positioned at the bottom of support frame as described above.

Preferably, described nut tightening device also comprises tightens case locking mechanism for what tighten that case swings described in preventing when the mobile described nut tightening device, described in tighten case locking mechanism and be positioned on described balancing weight; The described case locking mechanism of tightening comprises fixture block and locating piece, described in described fixture block is arranged on, tightens on unit, and described locating piece is arranged on described balancing weight, and described locating piece mates with described fixture block and described locating piece can be connected in described fixture block.

Preferably, described nut tightening device also comprises camera and display, described camera is arranged on support frame as described above and is positioned at the front end of described nut tightening device, and described display is positioned at the rear end of described nut tightening device, for showing the image of described camera output.

Described nut tightening device also comprises that described mobile unit is connected with support frame as described above, driving described nut tightening device to move by this mobile unit for the mobile unit of mobile this nut tightening device.

Preferably, described mobile unit comprises storage battery dolly, and described storage battery dolly is positioned at a side of support frame as described above and is connected with support frame as described above, and the downside of described balancing weight has been arranged side by side at least two row's support wheels.

Nut tightening device provided by the invention, tighten axle raising by many and tighten efficiency, described in being arranged so that of regulon, tightening axle can tire mounting nuts corresponding to rapid alignment, and then makes described nut tightening device in guaranteeing nut screwing clamping efficiency, improve the convenience of its operation.

Other features and advantages of the present invention are described in detail the specific embodiment part subsequently.

Accompanying drawing explanation

Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with the specific embodiment one below.In the accompanying drawings:

Fig. 1 is the structural representation of nut tightening device provided by the invention.

Fig. 2 is the partial schematic diagram of the nut tightening device shown in Fig. 1.(regulon not shown in FIG., tighten unit)

Fig. 3 is the schematic diagram of the regulon of the nut tightening device shown in Fig. 1.(in figure, only having drawn a part for regulon)

Fig. 4 is the schematic diagram of the regulon of the nut tightening device shown in Fig. 1.(in figure, having drawn another part of tightening unit and regulon)

Fig. 5 is the transmission diagram that case moves along second direction and vertical direction of tightening of the nut tightening device shown in Fig. 1.

Fig. 6 is the partial enlarged drawing of Fig. 5.

Fig. 7 is the structural representation of the first linear bearing in Fig. 6.

Fig. 8 is the structural representation of the second linear bearing in Fig. 6.

Fig. 9 is the partial enlarged drawing of the nut tightening device shown in Fig. 1.

Figure 10 is the structural representation of the second contiguous block in Fig. 9.

Figure 11 is the structural representation of piece of circling round in Fig. 9.

Figure 12 is the structural representation of the first contiguous block in Fig. 9.

In Figure 13 Fig. 2, tighten case and lock the principle schematic of determining structure.

Description of reference numerals

10: mobile unit; 21: tighten axle; 22: tighten case;

23: tighten case locking mechanism; 23a: fixture block; 23b: locating piece;

23c: rotating shaft; 23d: Compress Spring; 23e: steel wire rope;

23f: step; 23g: the second copper sheathing; 31a: line slide rail;

31b: top travelling car; 32a: base plate; 32b: the second linear bearing;

32c: the axis of guide; 33a: balance crane; 33c: guide post;

33d: the first linear bearing; 34: cyclotron mechanism; 34a: the first contiguous block;

34b: the second contiguous block; 34c: connecting axle; 35a: convolution piece;

36a: regulate motor; 36b: reductor; 36c: slide block;

36d: screw mandrel; 36e: mounting blocks; 36f: nut block;

40: safe axle; 50: controller; 60: safety cable;

70: bracing frame; 71: balancing weight; 80: camera;

90: display; 100: support wheel; A: axis of guide installing hole;

X: first direction; Y: second direction; Z: vertical direction.

The specific embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.

In the present invention, in the situation that not doing contrary explanation, the noun of locality of use typically refers to reference to upper and lower, left and right shown in the drawings as " upper and lower, left and right "; " forward and backward " refers to this device direction of advance forward and backward when mobile.

As shown in Figure 1 to Figure 2, the invention provides a kind of nut tightening device, described nut tightening device comprises: tighten unit, described in tighten unit and comprise for many of tightening tire mounting nuts and tighten axle 21; Aim at the regulon of corresponding tire mounting nuts for tightening axle 21 described in making; And bracing frame 70, described regulon is arranged on support frame as described above 70, described in tighten unit and be suspended on described regulon.

Nut tightening device provided by the invention, tighten axle 21 raisings by many and tighten efficiency, described in being arranged so that of regulon, tightening axle 21 can tire mounting nuts corresponding to rapid alignment, and then makes described nut tightening device in guaranteeing nut screwing clamping efficiency, improve the convenience of its operation.

As shown in Fig. 3 and Fig. 5 to Fig. 6, wherein, described regulon comprises that top travelling car 31b, base plate 32a, line slide rail 31a, the first linear bearing 33d(are as shown in Figure 7), axis of guide 32c, the second linear bearing 32b(as shown in Figure 8), hitch and cyclotron mechanism 34, described in tighten unit and be suspended on described top travelling car 31b by described hitch.Described line slide rail 31a is fixed on the top of support frame as described above 70 and along extending with the perpendicular first direction X of vertical direction Z, described top travelling car 31b is positioned at described line slide rail 31a above and is slidably connected with described line slide rail 31a, described in can realizing, tightens the movement of unit along described first direction X.Described top travelling car 31b has the middle opening of up/down perforation, described base plate 32a is positioned at the bottom of described top travelling car 31b and the middle opening corresponding to described top travelling car 31b, what the bottom of described base plate 32a was paired has been arranged side by side described the second linear bearing 32b, described axis of guide 32c sleeve forms and is slidably connected in described the second linear bearing 32b, and described axis of guide 32c is along extending with the perpendicular second direction Y of described first direction X, this second direction Y is perpendicular to described vertical direction Z, and described axis of guide 32c two ends are arranged in the axis of guide installing hole a of travelling car 31b bottom, described top, described in can realizing, tighten the movement of unit along described second direction Y.Described hitch comprises guide post 33c, described the first linear bearing 33d is positioned at described base plate 32a above and fixes with described base plate 32a, described guide post 33c forms in linear bearing 33d described in being vertically sleeved on described first and is slidably connected, and described in realizing, tightens the movement of unit along described vertical direction Z.Described cyclotron mechanism 34 one end are connected with described hitch, the other end with described in tighten unit and be connected, and described cyclotron mechanism comprises the first articulated structure and the second articulated structure, wherein said the first articulated structure has along the hinge axes of described vertical direction Z, and described the second articulated structure has the hinge axes along described second direction Y, can rotate and described second direction Y rotation around described vertical direction Z with respect to described hitch thereby tighten unit described in making.

Preferably, as shown in Figure 9, described cyclotron mechanism 34 comprises that the first contiguous block 34a(is as shown in figure 12), the second contiguous block 34b(as shown in figure 10), connecting axle 34c, convolution piece 35a(as shown in figure 11) and the first copper sheathing, described the second contiguous block 34b with described in tighten unit and fix, one end of described the first contiguous block 34a is hinged to form described the second articulated structure by described connecting axle 34c and described the second contiguous block 34b, thereby tightens the rotation of unit along described second direction Y described in realizing; Described convolution piece 35a is cylindric and is fixed on described hitch, in described gyration block 35a, be inserted with the first copper sheathing, the other end of described the first contiguous block 34a is arranged in described the first copper sheathing, and described the first contiguous block 34a can rotate to form described the first articulated structure in described the first copper sheathing, thereby tighten the rotation of unit around described vertical direction Z described in realizing.

Realize the described multiple degrees of freedom of tightening unit regulated by said structure, so make to tighten axle convenient, aim at corresponding tire mounting nuts efficiently.

Wherein, described regulon also comprises balance crane 33a, and described balance crane 33a is positioned at the top of described base plate 32a and is fixed on described base plate 32a upper, and described balance crane 33a is connected with the described unit of tightening, and can effectively reduce like this operating personnel's labour intensity.

In addition, described nut tightening device also comprises safety cable 60, and described safety cable 60 one end and described base plate 32a fix, and the other end and described cyclotron mechanism 34 are fixing.Due to the second contiguous block 34b of described cyclotron mechanism 34 with described in tighten unit and fix, therefore, described in the arranging of described safety cable 60 can prevent, tighten unit and fall.

Because crane lug nut screw-down torque generally requires more than 500N.m, and the deviation of screw-down torque is at 50-100N.m, is converted into precision for ± 4%-± 8%.Although and more than can reaching 500N.m for pneumatic impact wrench screw-down torque of the prior art, but precision cannot reach and (before tightening, can not set in advance screw-down torque, there is deviation in the screw-down torque of the each nut after therefore tightening, sometimes even deviation is very large), in industry, ubiquity is tightened the problem that tension causes the abnormal inefficacy of nut.Therefore, tighten quality in order to improve, described nut tightening device can also comprise the controller 50 of tightening data for setting in advance, this controller 50 is arranged on support frame as described above 70, described controller 50 with described in tighten unit and be electrically connected, tightening axle 21 described in driving by tightening unit described in controlling.

Wherein, described in tighten unit and comprise and tighten case 22, this is tightened case 22 inside and is provided with described in driving accordingly and tightens the rotary drive motor that axle 21 rotates, described controller 50 is electrically connected on described rotary drive motor.

In order further to improve security, described nut tightening device also comprises the symmetrically arranged safe axle 40 for security protection, described safe axle 40 with described in tighten axle 21 all from described tighten that case 22 stretches out and described safe axle 40 with described in tighten axle 21 and be arranged in parallel.In the process that tire mounting nuts is tightened, make described safe axle 40 aim at other nuts like this, it should be noted that described safe axle 40 does not rotate, just play the effect of eliminating the reaction force of tightening axle 21.

Preferably, described in to tighten axle 21 be two, and described in two, tighten axle 21 and be symmetrical arranged.What employing was arranged symmetrically with tightens axle 21, ensure that operating personnel are merely able to carry out tightening of lug nut according to symmetrical mode, when efficiency is tightened in raising, further guarantee to tighten quality, thoroughly avoid part tire mounting nuts in rundown process to block the quality problems of tightening that cause.

As shown in Figure 4, in order to make described nut tightening device can adapt to the nut screwing clamping of the tire of different size, described in tighten case and also comprise and regulate motor 36a, reductor 36b, screw mandrel 36d, two mounting blocks 36e, two nut block 36f and two slide block 36c, described adjusting motor 36a is connected with described reductor 36b, described reductor 36b is connected to drive this screw mandrel 36d rotation with described screw mandrel 36d, the internal thread rotation of described two nut block 36f to contrary and all with corresponding thread segment threaded engagement on described screw mandrel 36d, described two mounting blocks 36e are set in described two nut block 36f above and fix with two described nut block 36f respectively, so that described nut block 36f can drive described mounting blocks 36e to move, two described mounting blocks 36e fix with two described slide block 36c respectively, described in each, tighten axle 21 through the installing hole on corresponding described slide block 36c and can in described installing hole, rotate with respect to described slide block 36c.Like this, by said structure, can regulate easily the spacing of tightening between axle 21, and then adapt to the needs that the lug nut of different kinds of tyre is tightened.

In order to increase the balance of described nut tightening device, support frame as described above comprises the balancing weight 71 for nut tightening device described in balance, and described balancing weight 71 is positioned at the bottom of support frame as described above 70.

Wherein, described nut tightening device also comprises tightens case locking mechanism 23 for what tighten that case 22 swings described in preventing when the mobile described nut tightening device, described in tighten case locking mechanism 23 and be positioned on described balancing weight 71; As shown in figure 13, the described case locking mechanism 23 of tightening comprises fixture block 23a and locating piece 23b, described in being arranged on, tightens on unit described fixture block 23a, described locating piece 23b is arranged on described balancing weight 71, and described locating piece 23b mates with described fixture block 23a and described locating piece 23b can be connected in described fixture block 23a.The described case locking mechanism 23 of tightening also comprises foot-operated 23f, rotating shaft 23c, Compress Spring 23d, the second copper sheathing 23g and steel wire rope 23e, the locating piece 23a tightening when described nut tightening device moves on case locking mechanism blocks the fixture block 23a tightening on unit, prevents from tightening case and rocks.While arriving assigned address, step foot-operated moving down, drive steel wire rope 23e, locating piece 23b, around rotating shaft 23c rotating down pressing Compress Spring, departs from locating piece 23b and fixture block 23a, tightens case and can move freely.Unclamp foot-operatedly, described Compress Spring 23d resets described locating piece 23b.Case locking mechanism is tightened in setting, prevents in package unit moving process, tightens case 22 and rocks, and then avoid tightening that case 22 rocks in described nut tightening device moving process and the collision that causes.

In order to make operating personnel can see very easily in the wings the situation in auto levelizer front, avoid operating personnel cannot see the barrier in front in the wings and occur danger, described nut tightening device also comprises camera 80 and display 90, described camera 80 is arranged on support frame as described above 70 and be positioned at the front end of described nut tightening device, described display 90 is positioned at the rear end of described nut tightening device, for the image that shows that described camera 80 is exported.

Wherein, described nut tightening device also comprises that described mobile unit 10 is connected with support frame as described above 70, driving described nut tightening device to move by this mobile unit 10 for the mobile unit 10 of mobile this nut tightening device.Preferably, described mobile unit comprises storage battery dolly, and described storage battery dolly is positioned at a side of support frame as described above 70 and is connected with support frame as described above 70, and the downside of described balancing weight 71 has been arranged side by side at least two row's support wheels 100.Adopt storage battery travelling car platform as the mobile carrier of device, the operating type of equipment is more flexible; It is stronger that two row's support wheels 100 make equipment pass through the ability of obstacle, more adapts to the requirement of use factory in.

While utilizing nut tightening device provided by the invention to tighten lug nut, rundown process is as follows:

(1) manual lug nut is tentatively installed to bolt, the preliminary screw thread coordinating is three more than pitch;

(2) mobile unit operating, moves to assigned address by described nut tightening device, that is, make the axle of tightening of tightening unit substantially align tire mounting nuts;

(3) connect the power supply of tightening unit, startup is removed and is tightened case locking mechanism 23 after tightening unit and tightening accordingly program, makes to tighten case 22 and can adjust position by regulon;

(4) manually promote and adjust and tighten case 22, making to tighten axle 21 and aim at tire mounting nuts;

(5) start rotary drive motor and make to tighten axle 21 and rotate, lug nut is tightened by screw-down torque requirement;

(6) manually exit and tighten case;

(7) repeating step (4), (5), (6) can complete the installation of the whole lug nuts of tire.

Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.

It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode.

In addition, between various embodiment of the present invention, also can be combined, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims (15)

1. a nut tightening device, is characterized in that, described nut tightening device comprises:
Tighten unit, described in tighten unit and comprise for many of tightening tire mounting nuts and tighten axle (21);
Be used for tightening axle (21) described in making and aim at the regulon of corresponding tire mounting nuts; And
Bracing frame (70), it is upper that described regulon is arranged on support frame as described above (70), described in tighten unit and be suspended on described regulon.
2. nut tightening device according to claim 1, it is characterized in that, described regulon comprises top travelling car (31b), base plate (32a), line slide rail (31a), the first linear bearing (33d), the axis of guide (32c), the second linear bearing (32b), hitch and cyclotron mechanism (34), described in tighten unit and be suspended on described top travelling car (31b) by described hitch;
Described line slide rail (31a) is fixed on the top of support frame as described above (70) and along extending with the perpendicular first direction (X) of vertical direction (Z), described top travelling car (31b) is positioned at described line slide rail (31a) above and is slidably connected with described line slide rail (31a), described in can realizing, tightens the movement of unit along described first direction (X);
Described top travelling car (31b) has the middle opening of up/down perforation, described base plate (32a) is positioned at the bottom of described top travelling car (31b) and the middle opening corresponding to described top travelling car (31b), what the bottom of described base plate (32a) was paired has been arranged side by side described the second linear bearing (32b), the described axis of guide (32c) sleeve forms and is slidably connected in described the second linear bearing (32b), and the described axis of guide (32c) is along extending with the perpendicular second direction (Y) of described first direction (X), this second direction (Y) is perpendicular to described vertical direction (Z), and the described axis of guide (32c) two ends are arranged in the axis of guide installing hole (a) of bottom, described top travelling car (31b), described in can realizing, tighten the movement of unit along described second direction (Y),
Described hitch comprises guide post (33c), it is upper and fixing with described base plate (32a) that described the first linear bearing (33d) is positioned at described base plate (32a), described guide post (33c) forms and is slidably connected in linear bearing (33d) described in being vertically sleeved on described first, described in realizing, tightens the movement of unit along described vertical direction (Z);
Described cyclotron mechanism (34) one end is connected with described hitch, the other end with described in tighten unit and be connected, and described cyclotron mechanism comprises the first articulated structure and the second articulated structure, wherein said the first articulated structure has along the hinge axes of described vertical direction (Z), and described the second articulated structure has along the hinge axes of described second direction (Y), can rotate and described second direction (Y) rotation around described vertical direction (Z) with respect to described hitch thereby tighten unit described in making.
3. nut tightening device according to claim 2, it is characterized in that, described cyclotron mechanism (34) comprises the first contiguous block (34a), the second contiguous block (34b), connecting axle (34c), convolution piece (35a) and the first copper sheathing, described the second contiguous block (34b) with described in tighten unit and fix, one end of described the first contiguous block (34a) is hinged to form described the second articulated structure by described connecting axle (34c) and described the second contiguous block (34b), thereby tightens the rotation of unit along described second direction (Y) described in realizing; Described convolution piece (35a) is cylindric and is fixed on described hitch, in described gyration block (35a), be inserted with the first copper sheathing, the other end of described the first contiguous block (34a) is arranged in described the first copper sheathing, and described the first contiguous block (34a) can rotate to form described the first articulated structure in described the first copper sheathing, thereby tighten the rotation of unit around described vertical direction (Z) described in realizing.
4. nut tightening device according to claim 2, is characterized in that, described regulon also comprises balance crane (33a), and described balance crane (33a) is positioned at the top of described base plate (32a) and is fixed on described base plate (32a).
5. nut tightening device according to claim 2, is characterized in that, described nut tightening device also comprises safety cable (60), and described safety cable (60) one end and described base plate (32a) are fixing, and the other end and described cyclotron mechanism (34) are fixing.
6. nut tightening device according to claim 1, it is characterized in that, described nut tightening device also comprises the controller (50) of tightening data for setting in advance, this controller (50) is arranged on support frame as described above (70), described controller (50) with described in tighten unit and be electrically connected, tightening axle (21) described in driving by tightening unit described in controlling.
7. nut tightening device according to claim 6, it is characterized in that, the described unit of tightening comprises and tightens case (22), this is tightened case (22) inside and is provided with the rotary drive motor for tightening axle (21) rotation described in driving accordingly, and described controller (50) is electrically connected on described rotary drive motor.
8. nut tightening device according to claim 7, it is characterized in that, described nut tightening device also comprises the symmetrically arranged safe axle (40) for security protection, described safe axle (40) with described in tighten axle (21) all from described tighten that case (22) stretches out and described safe axle (40) with described in tighten axle (21) and be arranged in parallel.
9. nut tightening device according to claim 8, is characterized in that, described in to tighten axle (21) be two, and described in two, tighten axle (21) and be symmetrical arranged.
10. nut tightening device according to claim 9, it is characterized in that, described in tighten case and also comprise and regulate motor (36a), reductor (36b), screw mandrel (36d), two mounting blocks (36e), two nut block (36f) and two slide blocks (36c), described adjusting motor (36a) is connected with described reductor (36b), described reductor (36b) is connected to drive this screw mandrel (36d) rotation with described screw mandrel (36d), the internal thread rotation of described two nut block (36f) to contrary and all with corresponding thread segment threaded engagement on described screw mandrel (36d), it is upper and fixing with two described nut block (36f) respectively that described two mounting blocks (36e) are set in described two nut block (36f), so that described nut block (36f) can drive described mounting blocks (36e) mobile, two described mounting blocks (36e) are fixing with two described slide blocks (36c) respectively, described in each, tighten axle (21) through the installing hole on corresponding described slide block (36c) and can in described installing hole, rotate with respect to described slide block (36c).
11. nut tightening devices according to claim 10, is characterized in that, support frame as described above comprises that, for the balancing weight of nut tightening device described in balance (71), described balancing weight (71) is positioned at the bottom of support frame as described above (70).
12. nut tightening devices according to claim 11, it is characterized in that, described nut tightening device also comprises tightens case locking mechanism (23) for what tighten that case (22) swings described in preventing when the mobile described nut tightening device, described in tighten case locking mechanism (23) and be positioned on described balancing weight (71); The described case locking mechanism (23) of tightening comprises fixture block (23a) and locating piece (23b), described in being arranged on, tightens on unit described fixture block (23a), it is upper that described locating piece (23b) is arranged on described balancing weight (71), and described locating piece (23b) mates with described fixture block (23a) and described locating piece (23b) can be connected in described fixture block (23a).
13. nut tightening devices according to claim 12, it is characterized in that, described nut tightening device also comprises camera (80) and display (90), described camera (80) is arranged on (70) on support frame as described above and is positioned at the front end of described nut tightening device, described display (90) is positioned at the rear end of described nut tightening device, for showing the image of described camera (80) output.
14. nut tightening devices according to claim 13, it is characterized in that, described nut tightening device also comprises the mobile unit (10) for mobile this nut tightening device, described mobile unit (10) is connected with support frame as described above (70), driving described nut tightening device to move by this mobile unit (10).
15. nut tightening devices according to claim 14, it is characterized in that, described mobile unit comprises storage battery dolly, described storage battery dolly is positioned at a side of support frame as described above (70) and is connected with support frame as described above (70), and the downside of described balancing weight (71) has been arranged side by side at least two row's support wheels (100).
CN201410103134.6A 2014-03-19 2014-03-19 A kind of nut tightening device CN103878578B (en)

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CN105666110A (en) * 2016-03-25 2016-06-15 神龙汽车有限公司 Tightening device for assembling vehicle
CN106239118A (en) * 2016-08-25 2016-12-21 四川巨浪智能设备有限公司 Pulling shaft tightening device
CN106964971A (en) * 2017-03-27 2017-07-21 哈尔滨工业大学 A kind of mechanical arm tool mechanism assembled for small space inner nut
CN108296754A (en) * 2018-01-24 2018-07-20 杭州师范大学钱江学院 Closely locking nut Intelligent Installation system based on machine vision and its installation method
CN108296756A (en) * 2018-02-08 2018-07-20 何晓明 A kind of lifting automobile wheel cap automatic tightening screw machine arm
CN108673121A (en) * 2018-06-15 2018-10-19 中国科学院沈阳自动化研究所 A kind of pre-tightening apparatus for nut assembly

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CN203437912U (en) * 2013-07-25 2014-02-19 佛吉亚(青岛)排气系统有限公司 Quickly bolt tightening equipment

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CN101428392A (en) * 2008-12-12 2009-05-13 奇瑞汽车股份有限公司 Dual-shaft electric screw down distance-variation apparatus
CN201895214U (en) * 2010-11-19 2011-07-13 大连德新机电技术工程有限公司 Manual and automatic integrated displacement bolt tightening machine with illumination device
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105666110A (en) * 2016-03-25 2016-06-15 神龙汽车有限公司 Tightening device for assembling vehicle
CN105666110B (en) * 2016-03-25 2018-04-20 神龙汽车有限公司 A kind of device for screwing up for vehicle assembling
CN106239118A (en) * 2016-08-25 2016-12-21 四川巨浪智能设备有限公司 Pulling shaft tightening device
CN106239118B (en) * 2016-08-25 2018-08-28 四川巨浪智能设备有限公司 Pulling shaft tightening device
CN106964971A (en) * 2017-03-27 2017-07-21 哈尔滨工业大学 A kind of mechanical arm tool mechanism assembled for small space inner nut
CN108296754A (en) * 2018-01-24 2018-07-20 杭州师范大学钱江学院 Closely locking nut Intelligent Installation system based on machine vision and its installation method
CN108296754B (en) * 2018-01-24 2019-06-25 杭州师范大学钱江学院 Closely locking nut Intelligent Installation system and its installation method based on machine vision
CN108296756A (en) * 2018-02-08 2018-07-20 何晓明 A kind of lifting automobile wheel cap automatic tightening screw machine arm
CN108673121A (en) * 2018-06-15 2018-10-19 中国科学院沈阳自动化研究所 A kind of pre-tightening apparatus for nut assembly

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