CN102942128A - Revolving stage centering mechanism and have its engineering machine tool - Google Patents

Revolving stage centering mechanism and have its engineering machine tool Download PDF

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Publication number
CN102942128A
CN102942128A CN2012104952391A CN201210495239A CN102942128A CN 102942128 A CN102942128 A CN 102942128A CN 2012104952391 A CN2012104952391 A CN 2012104952391A CN 201210495239 A CN201210495239 A CN 201210495239A CN 102942128 A CN102942128 A CN 102942128A
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China
Prior art keywords
push rod
turntable
centering body
limiting section
revolving meber
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CN2012104952391A
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Chinese (zh)
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CN102942128B (en
Inventor
詹纯新
刘权
岳红磊
刘荣
喻虎德
刘翔
洪秀玉
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Priority to CN201210495239.1A priority Critical patent/CN102942128B/en
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Abstract

The invention provides a turntable centering mechanism and an engineering machine with the same, wherein the turntable centering mechanism comprises: the rotary part (10) is arranged on the rotary table and rotates synchronously with the rotary table, and a positioning part (11) is arranged on the rotary part (10); a push rod (20), the first end of which is abutted against the rotary member (10), the push rod (20) having a first position matched with the positioning part (11) and a second position separated from the positioning part (11); the electrical system (30) comprises an alarm device which sends out an alarm signal when the ejector rod (20) is located at the first position. The turntable centering mechanism can realize accurate centering of the turntable, and has the advantages of simple structure and low cost.

Description

Turntable centering body and have its construction machinery and equipment
Technical field
The present invention relates to technical field of engineering machinery, in particular to a kind of turntable centering body and have its construction machinery and equipment.
Background technology
In the prior art, a lot of construction machinery and equipments all have turntable, can realize 360 degree revolute functions.Take hoisting crane as example, during lift heavy, the relative vehicle frame of turntable can carry out 360 degree revolutions, but during crane running or under other special operation conditions, requires again rotating platform of crane return centering.
At present, the centering return of hoisting crane namely adopts eye-observation by manual control, and aforesaid way affects the use of hoisting crane so that the centering accuracy rate is not high, and eye-observation causes the centering operating time longer simultaneously, has reduced work efficiency.
Summary of the invention
The present invention aims to provide a kind of construction machinery and equipment that can realize the turntable centering body of the accurate centering of turntable and have it.
To achieve these goals, according to an aspect of the present invention, provide a kind of turntable centering body, having comprised: revolving meber, be installed on the turntable and with turntable and rotate synchronously, have the location division on the revolving meber; Push rod, its first end and revolving meber butt, push rod have the primary importance that cooperates with the location division and with localization part from the second place; Electric system comprises warning device, and warning device sends alerting signal when push rod is positioned at primary importance.
Further, revolving meber is in the form of annular discs or circular, and the location division is groove or the projection that is formed on the peripheral side of revolving meber.
Further, the first end of push rod is equipped with rotating roller.
Further, the middle part of push rod is provided with the first limiting section that radially protrudes, and the turntable centering body also comprises: fixed mount has the second limiting section, the second limiting section is positioned at the first limiting section away from a side of revolving meber, and the second limiting section is provided be used to the mounting hole that wears push rod; Elastic component is set in the push rod outside, and the two ends of elastic component are supported respectively on the first limiting section and the second limiting section.
Further, fixed mount also has guide part, and guide part is positioned at the first limiting section towards a side of revolving meber, has the pilot hole for the guiding push rod on the guide part.
Further, fixed mount also has for the connecting portion that fixed mount is fixed on the vehicle frame, and connecting portion has two U-shaped locating notches that are oppositely arranged.
Further, electric system also comprises: warning circuit, have two connection terminals on the warning circuit, and warning device is connected in the warning circuit, and two connection terminals of the second end conducting of push rod were so that the warning circuit conducting when push rod was positioned at primary importance.
Further, the second limiting section is provided with two connection terminal fixed parts away from the revolving meber side, and two connection terminal fixed parts are made by insulating material, and two connection terminals are installed on two connection terminal fixed parts accordingly; The second end of push rod has and two two wiring contacts that the connection terminal position is corresponding, two connection terminals contacted respectively with two wiring contacts when push rod was positioned at primary importance, and two connection terminals separated respectively with two wiring contacts when push rod was positioned at the second place.
Further, turntable centering body of the present invention also comprises: travel switch, and the push rod of travel switch forms push rod, and two connection terminals of travel switch are connected respectively with two connection terminals of warning circuit.
According to a further aspect in the invention, provide a kind of construction machinery and equipment, comprised vehicle frame and the turntable that rotates relative to vehicle frame, also comprised the turntable centering body, the turntable centering body is above-mentioned turntable centering body.
Use technical scheme of the present invention, revolving meber can rotate synchronously with turntable, when turntable needs return centering, make the turntable rotation and then revolving meber is rotated thereupon, the first end of push rod all the time with the revolving meber butt, under Shaft alignment state not, localization part on push rod and the revolving meber from, this moment, push rod was in the second place, and when the location division of revolving meber turns to when cooperating with push rod, push rod switches to primary importance from the second place, at this moment, warning device sends alerting signal, and according to this alerting signal, operating personal is namely known turntable this moment return centering.For manual operation, accuracy can be improved by turntable centering body of the present invention, the accurate centering of turntable can be realized.And turntable centering body of the present invention has improved centering efficient effectively.
Description of drawings
The Figure of description that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 shows according to the embodiment one of turntable centering body of the present invention and is in schematic top plan view under the Shaft alignment state at turntable;
The turntable centering body that Fig. 2 shows Fig. 1 is in local structure scheme drawing under the Shaft alignment state at turntable;
The turntable centering body that Fig. 3 shows Fig. 1 is in perspective view under the Shaft alignment state at turntable;
The turntable centering body that Fig. 4 shows Fig. 1 is in schematic top plan view under the Shaft alignment state not at turntable;
The turntable centering body that Fig. 5 shows Fig. 1 is in local structure scheme drawing under the Shaft alignment state not at turntable;
Fig. 6 shows the structural representation of push rod of the turntable centering body of Fig. 1;
Fig. 7 shows the structural representation of another angle of the push rod of Fig. 6;
Fig. 8 shows the perspective view of fixed mount of the turntable centering body of Fig. 1;
Fig. 9 shows the structural representation of revolving meber of the turntable centering body of Fig. 1;
Figure 10 shows the structural representation of roller of the turntable centering body of Fig. 1;
Figure 11 shows the structural representation of electric system of the turntable centering body of Fig. 1; And
Figure 12 shows the structural representation according to the revolving meber of the embodiment two of turntable centering body of the present invention.
The specific embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
To shown in Figure 5, the turntable centering body of embodiment one comprises: revolving meber 10, push rod 20 and electric system 30 such as Fig. 1.Revolving meber 10 is installed on the turntable and with the turntable (not shown) and rotates synchronously, has location division 11 on the revolving meber 10, the first end of push rod 20 and revolving meber 10 butts, push rod 20 has the primary importance and the second place of separating with location division 11 that cooperates with location division 11, electric system 30 comprises warning device, and warning device sends alerting signal when push rod 20 is positioned at primary importance.
In embodiment one, revolving meber 10 can rotate synchronously with turntable, revolving meber 10 preferably is fixed on the rotation of rotary table gear ring, when turntable needs return centering, make the turntable rotation and then revolving meber 10 is rotated thereupon, the first end of push rod 20 all the time with revolving meber 10 butts, under Shaft alignment state not, push rod 20 separates with the location division 11 on the revolving meber 10, this moment, push rod 20 was in the second place (position as shown in Figure 4 and Figure 5), when the location division 11 of revolving meber 10 turns to when cooperating with push rod 20, push rod 20 switches to primary importance (position as shown in Figure 1 to Figure 3) from the second place, and at this moment, warning device sends alerting signal, according to this alerting signal, operating personal is namely known turntable this moment return centering.Turntable centering body by embodiment one can improve accuracy for manual operation, can realize the accurate centering of turntable.And the turntable centering body of embodiment one has improved centering efficient effectively.
Can realize that the mode that push rod 20 moves back and forth has multiple between primary importance and the second place, implementing in one, to shown in Figure 9, the middle part of push rod 20 is provided with the first limiting section 22 that radially protrudes such as Fig. 5, and the turntable centering body of embodiment one also comprises: fixed mount 40 and elastic component 50.Fixed mount 40 has the second limiting section 41, the second limiting section 41 is positioned at the first limiting section 22 away from a side of revolving meber 10, the second limiting section 41 is provided be used to the mounting hole 41a that wears push rod 20, elastic component 50 is set in push rod 20 outsides, and the two ends of elastic component 50 are supported respectively on the first limiting section 21 and the second limiting section 41.The simple spring of elastic component 50 preferred structures.In embodiment one, revolving meber 10 is in the form of annular discs, and location division 11 is the groove on the peripheral side that is formed on revolving meber 10.In said structure, when push rod 20 is in the second place, be that push rod 20 is when separating with location division 11, elastic component 50 is in compressive state, being about to location division 11(when push rod 20 will be groove) when cooperating, to promote push rods 20 be groove towards location division 11(thereby elastic component 50 is by supporting the first limiting section 21) move so that push rod 20 moves to primary importance from the second place.Among unshowned in the drawings other embodiment, revolving meber 10 also can be in the form of annular discs.
Can realize that the another kind of embodiment that push rod 20 moves back and forth between primary importance and the second place does not illustrate in the drawings, in such an embodiment, it is circular or discoid that revolving meber is, and the location division is up lip-deep groove or the projection that is formed on revolving meber.Push rod is L-shaped, comprises the first bar section that along continuous straight runs extends and perpendicular to the second bar section of the first bar section, the first end of push rod (i.e. an end of the first bar section) and location division cooperation or separate so that push rod corresponding be in primary importance or the second place.
In embodiment one, such as Fig. 5 to Fig. 7, Fig. 9 and shown in Figure 10, for the first end that reduces push rod 20 and the friction force between the revolving meber 10, the first end of push rod 20 is equipped with rotating roller 21.Roller 21 preferably can be installed in by bearing pin the first end of push rod 20.As shown in Figure 9 and Figure 10, in embodiment one, in order to reduce further friction, the radius size of the groove of revolving meber 10 (being the location division) is a, and the radius size of roller 21 is b, b=a.
In embodiment one, as shown in Figure 5 and Figure 8, fixed mount 40 also has guide part 42, and guide part 42 is positioned at the first limiting section 22 towards a side of revolving meber 10, namely between revolving meber 10 and the first limiting section 22, has the pilot hole 42a for guiding push rod 20 on the guide part 42.Guide part 42 is used for the radial displacement of restriction push rod 20, avoids push rod 20 that deflection occurs when moving vertically and then affects the centering accuracy.
As shown in Figure 8, for the ease of fixed mount 40 is fixed on the vehicle frame (not shown), fixed mount 40 also has connecting portion 43, and connecting portion 43 has two U-shaped locating notch 43a that are oppositely arranged.Above-mentioned two U-shaped locating notch 43a are used for holding fastener, such as bolt.Certainly, in other unshowned embodiment, also can not establish U-shaped locating notch 43a, but by the mode of welding fixed mount 40 is connected on the vehicle frame.
As shown in figure 11, in embodiment one, electric system 30 also comprises: warning circuit 31, have two connection terminal 31a on the warning circuit 31, warning device is connected in the warning circuit 31, and two connection terminal 31a of the second end conducting of push rod 20 were so that warning circuit 31 conductings (as shown in Figure 2) when push rod 20 was positioned at primary importance.Warning device can send alerting signal after warning circuit 31 conductings.Correspondingly, the second end of push rod 20 can two connection terminal 31a of conducting when push rod 20 was positioned at the second place, and warning circuit 31 not conductings (as shown in Figure 5) this moment can not sent alerting signal.The warning device of embodiment one comprises power supply 32 and the annunciator that is connected in series, and power supply 32 is used for providing electric energy to annunciator.Above-mentioned electric system 30 is simple in structure, realizes easily.Preferably, annunciator comprises buzzer phone 33 and Warning light 34, and Warning light 34 can provide light prompt when warning circuit 31 is connected, and buzzer phone 33 can provide auditory tone cues.
Extremely shown in Figure 8 such as Fig. 5, in embodiment one, the second limiting section 41 is provided with two connection terminal fixed part 41b away from revolving meber 10 sides, and two connection terminal fixed part 41b make by insulating material, and two connection terminal 31a are installed on two connection terminal fixed part 41b accordingly.After the installation, warning circuit 31 not conductings.The second end of push rod 20 has and two two wiring contacts 23 that connection terminal 31a position is corresponding, thereby two connection terminal 31a contacted respectively guide alarm circuit 31 with two wiring contacts 23 when push rod 20 was positioned at primary importance, two connection terminal 31a separated respectively with two wiring contacts 23 when push rod 20 was positioned at the second place, the disconnection that keep warning circuit 31 this moment.Said structure is so that the cooperation of electric system 30 and push rod 20 second ends is more stable.
Among unshowned in the drawings other embodiment, electric system is different from the electric system of embodiment one, and the electric system of this embodiment comprises sensor, and sensor sent signal and makes warning device send alerting signal to warning device when push rod was positioned at primary importance.
Among unshowned in the drawings other embodiment, the electric system of turntable centering body is identical with the electric system of embodiment one, be with the difference of embodiment one, the turntable centering body comprises travel switch, the push rod of the trip switch is as the push rod of embodiment one, the trip switch also comprise with embodiment one in the first limiting section 22, structure that the second limiting section 41 is identical with elastic component 50 functions, two connection terminals of travel switch are connected respectively with two connection terminal 31a of warning circuit 31.Travel switch can buy from the market, so that whole scheme realizes being more prone to.
As shown in figure 12, the turntable centering body of embodiment two and the difference of embodiment one only are that the location division 11 of the revolving meber 11 of embodiment two also is the projection on the peripheral side that is formed on revolving meber 10.The principle of work of embodiment two is similar to embodiment one, does not repeat them here.
The present invention also provides a kind of construction machinery and equipment, comprises vehicle frame and the turntable that rotates relative to vehicle frame according to the embodiment of construction machinery and equipment of the present invention, and this project machinery also comprises the turntable centering body, and this turntable centering body is above-mentioned turntable centering body.This project machinery centering is accurate, centering efficient is higher.Construction machinery and equipment is preferably hoisting crane.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a turntable centering body is characterized in that, comprising:
Revolving meber (10) is installed on the turntable and with described turntable and rotates synchronously, has location division (11) on the described revolving meber (10);
Push rod (20), its first end and described revolving meber (10) butt, described push rod (20) have the primary importance and the second place of separating with described location division (11) that cooperates with described location division (11);
Electric system (30) comprises warning device, and described warning device sends alerting signal at described push rod (20) when being positioned at described primary importance.
2. turntable centering body according to claim 1 is characterized in that, described revolving meber (10) is in the form of annular discs or circular, and described location division (11) are groove or projection on the peripheral side that is formed on described revolving meber (10).
3. turntable centering body according to claim 1 is characterized in that, the first end of described push rod (20) is equipped with rotating roller (21).
4. turntable centering body according to claim 1 is characterized in that,
The middle part of described push rod (20) is provided with the first limiting section (22) that radially protrudes,
Described turntable centering body also comprises:
Fixed mount (40), has the second limiting section (41), described the second limiting section (41) is positioned at described the first limiting section (22) away from a side of described revolving meber (10), and described the second limiting section (41) is provided be used to the mounting hole that wears described push rod (20) (41a);
Elastic component (50) is set in described push rod (20) outside, and the two ends of described elastic component (50) are supported respectively on described the first limiting section (21) and the second limiting section (41).
5. turntable centering body according to claim 4, it is characterized in that, described fixed mount (40) also has guide part (42), described guide part (42) is positioned at described the first limiting section (22) towards a side of described revolving meber (10), has the pilot hole (42a) be used to described push rod (20) of leading on the described guide part (42).
6. turntable centering body according to claim 4, it is characterized in that, described fixed mount (40) also has for the connecting portion (43) that described fixed mount (40) is fixed on the vehicle frame, and described connecting portion (43) has two the U-shaped locating notches (43a) that are oppositely arranged.
7. turntable centering body according to claim 4 is characterized in that, described electric system (30) also comprises:
Warning circuit (31), have two connection terminals (31a) on the described warning circuit (31), described warning device is connected in the described warning circuit (31), and two described connection terminals of the second end conducting (31a) of described push rod (20) described push rod (20) when being positioned at described primary importance are so that described warning circuit (31) conducting.
8. turntable centering body according to claim 7 is characterized in that,
Described the second limiting section (41) is provided with two connection terminal fixed parts (41b) away from described revolving meber (10) side, two described connection terminal fixed parts (41b) are made by insulating material, and two described connection terminals (31a) are installed on two described connection terminal fixed parts (41b) accordingly;
The second end of described push rod (20) has two the wiring contacts (23) corresponding with two described connection terminals (31a) position, described push rod (20) when being positioned at described primary importance two described connection terminals (31a) contact respectively with two described wiring contacts (23), described push rod (20) when being positioned at the described second place two described connection terminals (31a) separate respectively with two described wiring contacts (23).
9. turntable centering body according to claim 7, it is characterized in that, also comprise: travel switch, the push rod of described travel switch form described push rod (20), and two connection terminals of described travel switch are connected respectively with two connection terminals (31a) of described warning circuit (31).
10. a construction machinery and equipment comprises vehicle frame and the turntable that rotates relative to described vehicle frame, it is characterized in that, also comprises the turntable centering body, and described turntable centering body is each described turntable centering body in the claim 1 to 9.
CN201210495239.1A 2012-11-28 2012-11-28 Revolving stage centering mechanism and have its engineering machine tool Active CN102942128B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103744434A (en) * 2013-11-14 2014-04-23 徐州重型机械有限公司 Rotary table automatic deceleration centering stop control method and apparatus
CN104984507A (en) * 2015-07-07 2015-10-21 明光浩淼安防科技股份公司 Automatic centering method of elevating fire truck rotary table
CN106736359A (en) * 2016-12-21 2017-05-31 泉州市联控自动化科技有限公司 A kind of jacking rotating mechanism
CN107271805A (en) * 2016-03-30 2017-10-20 株式会社村田制作所 The characteristic detecting apparatus of electronic unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2526346Y2 (en) * 1991-09-30 1997-02-19 新明和工業株式会社 Turntable control device for work vehicle
CN202071738U (en) * 2011-06-01 2011-12-14 鞍钢集团矿业公司 Pressing-rod type automobile-bucket lifting-warning device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2526346Y2 (en) * 1991-09-30 1997-02-19 新明和工業株式会社 Turntable control device for work vehicle
CN202071738U (en) * 2011-06-01 2011-12-14 鞍钢集团矿业公司 Pressing-rod type automobile-bucket lifting-warning device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103744434A (en) * 2013-11-14 2014-04-23 徐州重型机械有限公司 Rotary table automatic deceleration centering stop control method and apparatus
CN103744434B (en) * 2013-11-14 2016-08-24 徐州重型机械有限公司 Rotary table automatic deceleration centering method for controlling stopping and device
CN104984507A (en) * 2015-07-07 2015-10-21 明光浩淼安防科技股份公司 Automatic centering method of elevating fire truck rotary table
CN107271805A (en) * 2016-03-30 2017-10-20 株式会社村田制作所 The characteristic detecting apparatus of electronic unit
CN107271805B (en) * 2016-03-30 2019-12-06 株式会社村田制作所 Characteristic measuring device for electronic component
CN106736359A (en) * 2016-12-21 2017-05-31 泉州市联控自动化科技有限公司 A kind of jacking rotating mechanism

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