CN102942128B - Rotary table centering mechanism and engineering machinery with same - Google Patents
Rotary table centering mechanism and engineering machinery with same Download PDFInfo
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- CN102942128B CN102942128B CN201210495239.1A CN201210495239A CN102942128B CN 102942128 B CN102942128 B CN 102942128B CN 201210495239 A CN201210495239 A CN 201210495239A CN 102942128 B CN102942128 B CN 102942128B
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- push rod
- turntable
- centering body
- revolving meber
- limiting section
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Abstract
The invention provides a rotary table centering mechanism and engineering machinery with the same. The rotary table centering mechanism comprises a rotation part (10), an ejector rod (20) and an electric system (30), the rotation part (10) is mounted on a rotary table and synchronously rotates along with the rotary table, a positioning portion (11) is arranged on the rotation part (10), a first end of the ejector rod (20) is abutted to the rotation part (10), the ejector rod (20) is provided with a first position and a second position, the first position is matched with the positioning portion (11), the second position is separated from the positioning portion (11), the electric system (30) comprises an alarm device, and the alarm device transmits an alarm signal when the ejector rod (20) is positioned at the first position. The rotary table can be accurately centered, and the rotary table centering mechanism is simple in structure and low in cost.
Description
Technical field
The present invention relates to technical field of engineering machinery, in particular to a kind of turntable centering body and the construction machinery and equipment with it.
Background technology
In prior art, a lot of construction machinery and equipment all has turntable, can realize 360 degree of revolute functions.For hoisting crane, during lift heavy, turntable relative frame can carry out 360 degree of 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 is by manual control, and namely adopt eye-observation, aforesaid way makes centering accuracy rate not high, affects the use of hoisting crane, and eye-observation causes the centering operating time longer simultaneously, reduces work efficiency.
Summary of the invention
The present invention aims to provide and a kind ofly can realize the turntable centering body of the accurate centering of turntable and have its construction machinery and equipment.
To achieve these goals, according to an aspect of the present invention, provide a kind of turntable centering body, comprising: revolving meber, to be arranged on turntable and with turntable synchronous axial system, revolving meber has location division; Push rod, its first end abuts with revolving meber, push rod have the primary importance that coordinates with 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 location division is be formed in groove in the peripheral side of revolving meber or projection.
Further, the first end of push rod is provided with rotating roller.
Further, the middle part of push rod is provided with the first limiting section radially protruded, and turntable centering body also comprises: fixed mount, has the second limiting section, second limiting section is positioned at the side of the first limiting section away from revolving meber, and the second limiting section is provided with the mounting hole for wearing push rod; Elastic component, is set in outside push rod, 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 side of the first limiting section towards revolving meber, guide part has the pilot hole for the push rod that leads.
Further, fixed mount also has the connecting portion for being fixed on by fixed mount on vehicle frame, and connecting portion has two the U-shaped locating notches be oppositely arranged.
Further, electric system also comprises: warning circuit, and warning circuit has two connection terminals, warning device is connected in warning circuit, and when push rod is positioned at primary importance, the second end conducting two connection terminals of push rod are to make warning circuit conducting.
Further, the second limiting section is provided with two connection terminal fixed parts away from revolving meber side, and two connection terminal fixed parts are made by insulating material, and two connection terminals are arranged on two connection terminal fixed parts accordingly; Second end of push rod has two the wiring contacts corresponding with two connection terminal positions, when push rod is positioned at primary importance, two connection terminals contact respectively with two wiring contacts, and when push rod is positioned at the second place, two connection terminals are separated respectively with two wiring contacts.
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, comprise the turntable of vehicle frame and relative frame rotation, also comprise turntable centering body, turntable centering body is above-mentioned turntable centering body.
Apply technical scheme of the present invention, revolving meber can with turntable synchronous axial system, when turntable needs return centering, turntable is made to rotate and then revolving meber is rotated thereupon, the first end of push rod abuts with revolving meber all the time, under non-Shaft alignment state, localization part on push rod and revolving meber from, now push rod is in the second place, when the location division of revolving meber turn to coordinate with push rod time, push rod switches to primary importance from the second place, now, warning device sends alerting signal, and according to this alerting signal, operating personal can know now turntable return centering.Can accuracy be improved by turntable centering body of the present invention for manual operation, the accurate centering of turntable can be realized.Further, turntable centering body of the present invention improves centering efficiency effectively.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic top plan view of embodiment one under turntable is in Shaft alignment state according to turntable centering body of the present invention;
Fig. 2 shows the local structure schematic diagram of turntable centering body under turntable is in Shaft alignment state of Fig. 1;
Fig. 3 shows the perspective view of turntable centering body under turntable is in Shaft alignment state of Fig. 1;
Fig. 4 shows the schematic top plan view of turntable centering body under turntable is in non-Shaft alignment state of Fig. 1;
Fig. 5 shows the local structure schematic diagram of turntable centering body under turntable is in non-Shaft alignment state of Fig. 1;
Fig. 6 shows the structural representation of the 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 the fixed mount of the turntable centering body of Fig. 1;
Fig. 9 shows the structural representation of the revolving meber of the turntable centering body of Fig. 1;
Figure 10 shows the structural representation of the roller of the turntable centering body of Fig. 1;
Figure 11 shows the structural representation of the electric system of the turntable centering body of Fig. 1; And
Figure 12 shows the structural representation of the revolving meber of the embodiment two according to turntable centering body of the present invention.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figures 1 to 5, the turntable centering body of embodiment one comprises: revolving meber 10, push rod 20 and electric system 30.Revolving meber 10 to be arranged on turntable and with turntable (not shown) synchronous axial system, revolving meber 10 has location division 11, the first end of push rod 20 abuts with revolving meber 10, push rod 20 has the primary importance coordinated with location division 11 and the second place be separated 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 with turntable synchronous axial system, revolving meber 10 is preferably fixed on rotation of rotary table gear ring, when turntable needs return centering, turntable is made to rotate and then revolving meber 10 is rotated thereupon, the first end of push rod 20 abuts with revolving meber 10 all the time, under non-Shaft alignment state, push rod 20 is separated with the location division 11 on revolving meber 10, now push rod 20 is in the second place (position as shown in Figure 4 and Figure 5), when the location division 11 of revolving meber 10 turn to coordinate with push rod 20 time, push rod 20 switches to primary importance (position as shown in Figure 1 to Figure 3) from the second place, now, warning device sends alerting signal, according to this alerting signal, operating personal can know now turntable return centering.Can accuracy be improved by the turntable centering body of embodiment one for manual operation, the accurate centering of turntable can be realized.Further, the turntable centering body of embodiment one improves centering efficiency effectively.
Can realize the mode that push rod 20 moves back and forth between the first position and the second position has multiple, in enforcement one, as shown in Figures 5 to 9, the middle part of push rod 20 is provided with the first limiting section 22 radially protruded, 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, second limiting section 41 is positioned at the side of the first limiting section 22 away from revolving meber 10, second limiting section 41 is provided with the mounting hole 41a for wearing push rod 20, elastic component 50 is set in outside push rod 20, 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 structure.In embodiment one, revolving meber 10 is in the form of annular discs, and location division 11 is for being formed in the groove in the peripheral side of revolving meber 10.In said structure, when push rod 20 is in the second place, namely when push rod 20 is separated with location division 11, elastic component 50 is in compressive state, when push rod 20 is about to and location division 11(and groove) when coordinating, elastic component 50 is by supporting the first limiting section 21 thus promoting push rod 20 towards location division 11(and groove) motion makes push rod 20 move to primary importance from the second place.In other embodiments unshowned in the drawings, revolving meber 10 also can be in the form of annular discs.
Can realize the another kind of embodiment that push rod 20 moves back and forth between the first position and the second position not illustrate in the drawings, in such an embodiment, revolving meber is circular or discoid, and location division is be formed in groove on the surface upward of revolving meber or projection.Push rod is L-shaped, comprises the first bar section of extending in the horizontal direction and the second bar section perpendicular to the first bar section, the first end (i.e. one end of the first bar section) of push rod coordinate with location division or be separated make push rod corresponding be in primary importance or the second place.
In embodiment one, as shown in Fig. 5 to Fig. 7, Fig. 9 and Figure 10, in order to reduce the friction force between the first end of push rod 20 and revolving meber 10, the first end of push rod 20 is provided with rotating roller 21.Roller 21 is preferably arranged on the first end of push rod 20 by bearing pin.As shown in Figure 9 and Figure 10, in embodiment one, in order to reduce friction further, the radius size of the groove (i.e. location division) of revolving meber 10 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 side of the first limiting section 22 towards revolving meber 10, namely, between revolving meber 10 and the first limiting section 22, guide part 42 has the pilot hole 42a for the push rod 20 that leads.Guide part 42, for limiting the radial displacement of push rod 20, avoids push rod 20 deflection occurs when moving vertically and then affects centering accuracy.
As shown in Figure 8, for the ease of being fixed in vehicle frame (not shown) by fixed mount 40, fixed mount 40 also has connecting portion 43, and connecting portion 43 has two the U-shaped locating notch 43a be oppositely arranged.Above-mentioned two U-shaped locating notch 43a for holding fastener, such as bolt.Certainly, in other unshowned embodiments, also can not establish U-shaped locating notch 43a, but by the mode of welding, fixed mount 40 is connected on vehicle frame.
As shown in figure 11, in embodiment one, electric system 30 also comprises: warning circuit 31, warning circuit 31 have two connection terminal 31a, warning device is connected in warning circuit 31, and when push rod 20 is positioned at primary importance, the second end conducting two connection terminal 31a of push rod 20 are to make warning circuit 31 conducting (as shown in Figure 2).After warning circuit 31 conducting, warning device can send alerting signal.Correspondingly, when push rod 20 is positioned at the second place, the second end of push rod 20 can not conducting two connection terminal 31a, and now warning circuit 31 not conducting (as shown in Figure 5), can not send alerting signal.The warning device of embodiment one comprises the power supply 32 and annunciator that are connected in series, and power supply 32 is for providing electric energy to annunciator.Above-mentioned electric system 30 structure is simple, easily realizes.Preferably, annunciator comprises buzzer phone 33 and Warning light 34, and when warning circuit 31 is connected, Warning light 34 can provide light prompt, and buzzer phone 33 can provide auditory tone cues.
As shown in Fig. 5 to Fig. 8, in embodiment one, second limiting section 41 is provided with two connection terminal fixed part 41b away from revolving meber 10 side, and two connection terminal fixed part 41b make by insulating material, and two connection terminal 31a are arranged on two connection terminal fixed part 41b accordingly.After installation, warning circuit 31 not conducting.Second end of push rod 20 has two the wiring contacts 23 corresponding with two connection terminal 31a positions, when push rod 20 is positioned at primary importance, two connection terminal 31a contact thus guide alarm circuit 31 respectively with two wiring contacts 23, when push rod 20 is positioned at the second place, two connection terminal 31a are separated respectively with two wiring contacts 23, now keep the disconnection of warning circuit 31.Said structure makes the cooperation of electric system 30 and push rod 20 second end more stable.
In other embodiments unshowned in the drawings, electric system is different from the electric system of embodiment one, and the electric system of this embodiment comprises sensor, and when push rod is positioned at primary importance, sensor sends signal and makes warning device send alerting signal to warning device.
In other embodiments unshowned in the drawings, the electric system of turntable centering body is identical with the electric system of embodiment one, be with the difference of embodiment one, 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 comprises the structure identical with elastic component 50 function with the first limiting section 22, second limiting section 41 in embodiment one, and two connection terminals of travel switch are connected respectively with two connection terminal 31a of warning circuit 31.Travel switch can be commercially available, makes whole scheme realize being more prone to.
As shown in figure 12, the turntable centering body of embodiment two and the difference of embodiment one are only, the location division 11 of the revolving meber 11 of embodiment two is also for being formed in the projection in the peripheral side of revolving meber 10.The principle of work of embodiment two is similar to embodiment one, does not repeat them here.
Present invention also offers a kind of construction machinery and equipment, comprise the turntable of vehicle frame and relative frame rotation according to the embodiment of construction machinery and equipment of the present invention, this project machinery also comprises turntable centering body, and this turntable centering body is above-mentioned turntable centering body.This project machinery centering is accurate, centering efficiency is higher.Construction machinery and equipment is preferably hoisting crane.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, 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 amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a turntable centering body, is characterized in that, comprising:
Revolving meber (10), to be arranged on turntable and with described turntable synchronous axial system, described revolving meber (10) has location division (11), described revolving meber (10) is in the form of annular discs or circular, and described location division (11) are for being formed in groove in the peripheral side of described revolving meber (10) or projection;
Push rod (20), its first end abuts with described revolving meber (10), described push rod (20) has the primary importance coordinated with described location division (11) and the second place be separated with described location division (11), and described push rod (20) all abuts with described revolving meber (10) when described primary importance and the described second place;
Electric system (30), comprises warning device, and described warning device sends alerting signal when described push rod (20) is positioned at described primary importance.
2. turntable centering body according to claim 1, is characterized in that, the first end of described push rod (20) is provided with rotating roller (21).
3. 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) radially protruded,
Described turntable centering body also comprises:
Fixed mount (40), there is the second limiting section (41), described second limiting section (41) is positioned at the side of described first limiting section (22) away from described revolving meber (10), and described second limiting section (41) is provided with the mounting hole (41a) for wearing described push rod (20);
Elastic component (50), be set in described push rod (20) outside, the two ends of described elastic component (50) are supported respectively on described first limiting section (22) and the second limiting section (41).
4. turntable centering body according to claim 3, it is characterized in that, described fixed mount (40) also has guide part (42), described guide part (42) is positioned at the side of described first limiting section (22) towards described revolving meber (10), described guide part (42) has the pilot hole (42a) for described push rod (20) of leading.
5. turntable centering body according to claim 3, it is characterized in that, described fixed mount (40) also has the connecting portion (43) for being fixed on by described fixed mount (40) on vehicle frame, and described connecting portion (43) has two the U-shaped locating notches (43a) be oppositely arranged.
6. turntable centering body according to claim 3, is characterized in that, described electric system (30) also comprises:
Warning circuit (31), described warning circuit (31) have two connection terminals (31a), described warning device is connected in described warning circuit (31), and when described push rod (20) is positioned at described primary importance, the second end conducting two described connection terminals (31a) of described push rod (20) are to make described warning circuit (31) conducting.
7. turntable centering body according to claim 6, is characterized in that,
Described 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 arranged on two described connection terminal fixed parts (41b) accordingly;
Second end of described push rod (20) has two the wiring contacts (23) corresponding with two described connection terminal (31a) positions, when described push rod (20) is positioned at described primary importance, two described connection terminals (31a) contact respectively with two described wiring contacts (23), and when described push rod (20) is positioned at the described second place, two described connection terminals (31a) are separated respectively with two described wiring contacts (23).
8. turntable centering body according to claim 6, it is characterized in that, also comprise: travel switch, the push rod of described travel switch forms 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).
9. a construction machinery and equipment, comprises vehicle frame and the turntable rotated relative to described vehicle frame, it is characterized in that, also comprise turntable centering body, the turntable centering body of described turntable centering body according to any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210495239.1A CN102942128B (en) | 2012-11-28 | 2012-11-28 | Rotary table centering mechanism and engineering machinery with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210495239.1A CN102942128B (en) | 2012-11-28 | 2012-11-28 | Rotary table centering mechanism and engineering machinery with same |
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| CN102942128A CN102942128A (en) | 2013-02-27 |
| CN102942128B true CN102942128B (en) | 2015-06-10 |
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| CN201210495239.1A Active CN102942128B (en) | 2012-11-28 | 2012-11-28 | Rotary table centering mechanism and engineering machinery with same |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP6623896B2 (en) * | 2016-03-30 | 2019-12-25 | 株式会社村田製作所 | Electronic component characteristic measuring device |
| 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 |
Citations (2)
| 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 |
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2012
- 2012-11-28 CN CN201210495239.1A patent/CN102942128B/en active Active
Patent Citations (2)
| 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 |
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| CN102942128A (en) | 2013-02-27 |
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