CN101936019A - Operating device of skid-steering loader - Google Patents
Operating device of skid-steering loader Download PDFInfo
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- CN101936019A CN101936019A CN 201010265901 CN201010265901A CN101936019A CN 101936019 A CN101936019 A CN 101936019A CN 201010265901 CN201010265901 CN 201010265901 CN 201010265901 A CN201010265901 A CN 201010265901A CN 101936019 A CN101936019 A CN 101936019A
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- connecting rod
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- swing arm
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Abstract
The invention discloses an operating device of a skid-steering loader, comprising a handle mechanism, a connecting rod mechanism, a tilting mechanism, a double-piston pump and a main control valve body. The handle mechanism comprises a left handle and a right handle, a left bearing seat and a right bearing seat, a left support bracket and a right support bracket, the lower ends of the handles are respectively and fixedly connected with the bearing seats, the bearing seats are respectively articulated with the upper ends of the support brackets; the connecting rod mechanism comprises a plurality of vertical connecting rods and a plurality of horizontal connecting rods, the upper ends of the vertical connecting rods are respectively articulated with the bearing seats, and the lower ends are respectively articulated with the tilting mechanism; two ends of the tilting mechanism are respectively supported at the lower side of a floor of a driving cab of the loader, one ends of the plurality of vertical connecting rods are respectively articulated with the tilting mechanism, and the other ends are respectively articulated with a variable swash plate of the double-piston pump and a hydraulic valve plug of the main control valve body. The invention has the advantages of less parts, simple manufacturing, low cost, high reliability, light and comfortable operation, intensively arranged parts and components, convenient change and maintenance, and better meets the requirements on ergonomics.
Description
Technical field
The present invention relates to a kind of manipulation device of loader, the mechanial control device of particularly a kind of both hands control glide steering loader action belongs to technical field of engineering machinery.
Background technology
Full hydraulic drive is adopted in the walking of glide steering loader and accessory action, by the fluid motor-driven drive sprocket of complete machine both sides, drives the driving wheel rotation by driving chain.Less, the compact conformation of glide steering loader volume, inner installing space is narrow and small, and the control point of this loader is very many, can't adopt the wheel steering of common wheel loader or handle in driver's cabin hydraulic control lever independently is set.
The operating mechanism of existing glide steering loader mainly is divided into the both hands mechanical handling, singlehanded hydraulic pilot is handled and singlehanded electrically controlled manipulation.With regard to ergonomics, both hands are mechanically operated by more match operation person's manipulation custom, though singlehanded hydraulic pilot control and singlehanded automatically controlled control can realize the walking of one-hand control loader, but must increase complicated fluid pressure line and hydraulic pilot valve or electric control element, manufacturing cost is higher, maintenance difficulty is big, and owing to adopts complicated hydraulic pressure and electric-control system to make that the reliability of whole operating mechanism can not get ensureing.
Summary of the invention
For the defective that overcomes complex structure that existing singlehanded hydraulic pilot control and singlehanded automatically controlled control exists, costs an arm and a leg, fault rate is higher, the invention provides the mechanial control device that a kind of bimanualness glide steering loader simple in structure, that cost is lower, reliability is higher moves.
The present invention is achieved by the following technical programs:
A kind of glide steering loader manipulation device, comprise handle mechanism, connecting rod mechanism, swing mechanism, the duplex plunger displacement pump, the master control valve body, is reference system with the driver in the face of control crank, described handle mechanism comprises the left handle of driver's left-hand side, the right handles of driver's right-hand side, also comprise left supporting base, right supporting base, left side bracing frame, right bracing frame, described left handle, the right handles lower end respectively with left supporting base, right supporting base is fixedly connected, described left supporting base, right supporting base is respectively by ball socket bearing and left bracing frame, right bracing frame upper end is hinged, described left bracing frame, right bracing frame lower end is fixed on the loader cab floor.Described connecting rod mechanism comprises several vertical connecting rods, several horizontal connecting rod, and described several vertical connecting rods upper end is hinged with left supporting base, right supporting base respectively, and vertical connecting rod lower end is hinged with swing mechanism respectively; The swing mechanism two ends respectively by seat supports at loader cab floor downside, described several horizontal connecting rod one end is hinged with swing mechanism respectively, and several horizontal connecting rod other ends are hinged with the spool that surges of the variable swash plate of duplex plunger displacement pump, master control valve body respectively.
Purpose of the present invention can also further realize by following technical measures.
Aforesaid glide steering loader manipulation device, wherein said several vertical connecting rod comprises upper connecting rod I, upper connecting rod II, swing arm control pull rod, scraper bowl control pull rod, and described several horizontal connecting rods comprise horizontal connecting rod I, horizontal connecting rod II, horizontal connecting rod III, horizontal connecting rod IV.
Aforesaid glide steering loader manipulation device, wherein said swing mechanism comprises left side swing sleeve, right swing sleeve, swing arm, reduction torsion spring, described left side swing sleeve, right swing sleeve are bearing on the swing arm by the sleeve bearing that is arranged on two ends respectively, described swing arm two ends are bearing on the swing arm bearing by the swing arm bearing respectively, described swing arm bearing is fixed on the cab floor downside, described reduction torsion spring is sleeved on swing arm one end, and is positioned at the swing arm bearing.
Aforesaid glide steering loader manipulation device, wherein said left side swing sleeve, right swing sleeve radially extend left sleeve crank, right sleeve crank respectively, described left sleeve crank outer end and horizontal connecting rod I one end are hinged, and the first variable swash plate of the horizontal connecting rod I other end and duplex plunger displacement pump is hinged; Right sleeve crank outer end and horizontal connecting rod II one end are hinged, and the second variable swash plate of the horizontal connecting rod II other end and duplex plunger displacement pump is hinged.
Aforesaid glide steering loader manipulation device, wherein said swing arm control pull rod upper end is hinged with left supporting base, and swing arm control pull rod lower end is hinged with the crank I outer end that is fixed on the swing arm left end; Described scraper bowl control pull rod upper end is hinged with right supporting base, scraper bowl control pull rod lower end is hinged with rocking arm one end that is sleeved on the swing arm right-hand member, the described rocking arm other end and horizontal connecting rod III one end are hinged, and spool I one end that surges of the horizontal connecting rod III other end and master control valve body is hinged; Described horizontal connecting rod IV one end is hinged with the crank II outer end that is fixed on swing arm right-hand member termination, and spool II one end that surges of the described horizontal connecting rod IV other end and master control valve body is hinged.
Owing to adopted above technical scheme, the present invention has following beneficial effect:
1, part of the present invention is less, and all is made of the machine components of bar, piece, axle sleeve and so on, makes simply, and cost is low, reliability is high.
2, the present invention operates lightly, comfortable, meets the requirement of ergonomics more.The component centralized arrangement, it is convenient to change, and is convenient to maintenance.
Advantage of the present invention and characteristics will illustrate by the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is a rocking arm amplification stereogram of the present invention
Fig. 4 is that the A of Fig. 1 is to partial enlarged view;
Fig. 5 is the structure for amplifying schematic diagram of swing mechanism of the present invention.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
As Fig. 1, Fig. 2 and shown in Figure 4, the present invention includes handle mechanism 1, connecting rod mechanism 2, swing mechanism 3, duplex plunger displacement pump 4, master control valve body 5, the present invention is reference system with the driver in the face of control crank, handle mechanism 1 comprises the left handle 11 of driver's left-hand side, the right handles 12 of driver's right-hand side, left side supporting base 13, right supporting base 14, left side bracing frame 15, right bracing frame 16, left handle 11, right handles 12 lower ends respectively with left supporting base 13, right supporting base 14 is fixedly connected, left side supporting base 15, right supporting base 16 is respectively by ball socket bearing 17 and left bracing frame 15, right bracing frame 16 upper ends are hinged, left side bracing frame 15, right bracing frame 16 is fixed on the loader cab floor 6, and the ball socket bearing 17 of present embodiment is selected oscillating bearing for use.Like this, left handle 11, right handles 12 can be done the revolution of front and back or left and right directions respectively, and be independent of each other around ball socket bearing 17 centers.
As shown in Figure 1 and Figure 2, connecting rod mechanism 2 comprises several vertical connecting rods, several horizontal connecting rod, and described several vertical connecting rods upper end is hinged with left supporting base 13, right supporting 14 respectively, and vertical connecting rod lower end is hinged with swing mechanism 3 respectively; Swing mechanism 3 two ends are supported on loader cab floor 6 downsides by bearing 31 respectively, and several horizontal connecting rod one ends are hinged with swing mechanism 3 respectively, and the other end is hinged with the spool that surges of the variable swash plate of duplex plunger displacement pump 4, master control valve body 5 respectively.Several vertical connecting rods comprise upper connecting rod I 21, upper connecting rod II 22, swing arm control pull rod 23, scraper bowl control pull rod 24, and described several horizontal connecting rods comprise horizontal connecting rod I 25, horizontal connecting rod II 26, horizontal connecting rod III 27, horizontal connecting rod IV 28.
As shown in Figure 5, swing mechanism 3 comprises left side swing sleeve 31, right swing sleeve 32, swing arm 33, reduction torsion spring 34, left side swing sleeve 31, on the right swing sleeve 32 suit swing arms 33, be bearing on the swing arm 33 by the sleeve bearing 34 that is arranged on two ends respectively, left side swing sleeve 31, use spacer 310 axial location between the right swing sleeve 32, swing arm 33 two ends are bearing on the swing arm bearing 36 by swing arm bearing 35 respectively, swing arm bearing 36 is vertically fixed on the perpendicular side plate 61 of cab floor 6 downsides, reduction torsion spring 34 is positioned at swing arm bearing 36, is sleeved on swing arm 33 left ends.Left side swing sleeve 31, right swing sleeve 32 radially extend left sleeve crank 37, right sleeve crank 38 respectively, left sleeve crank 37 outer ends and horizontal connecting rod I 25 1 ends are hinged, and the first variable swash plate of horizontal connecting rod I 25 other ends and duplex plunger displacement pump 4 is hinged; Right sleeve crank 38 outer ends and horizontal connecting rod II 26 1 ends are hinged, and the second variable swash plate of horizontal connecting rod II 26 other ends and duplex plunger displacement pump 4 is hinged.
As shown in Figure 1, swing arm control pull rod 23 upper ends and left supporting base 13 are hinged, and the lower end is hinged with crank I 331 outer ends that are fixed on swing arm 33 left ends.Crank arm 39 structure as shown in Figure 3, but by kink on swing arm 33 ring body 391 and from ring body 391 radially two arms of angled extension form.Scraper bowl control pull rod 24 upper ends and right supporting base 14 are hinged, and the lower end is hinged with 39 1 arms of cranking arm that are sleeved on swing arm 33 right-hand members.Crank arm 39 another arms and horizontal connecting rod III 27 1 ends are hinged, and spool I 51 1 ends that surge of horizontal connecting rod III 27 other ends and master control valve body are hinged.Horizontal connecting rod IV 28 1 ends are hinged with crank II 390 outer ends that are fixed on swing arm 33 right-hand member terminations, and spool II 52 1 ends that surge of described horizontal connecting rod IV 28 other ends and master control valve body are hinged.
Three operating positions before, during and after left handle of the present invention, right handles have are used for glide steering loader walking control and equipment control.Under the situation that does not add external force, handle can automatically reply meta, left and right handle combination control vehicle to run such as table 1
Table 1:
Left and right handle combination control equipment moves as following table 2:
Table 2:
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (5)
1. glide steering loader manipulation device, comprise handle mechanism, connecting rod mechanism, swing mechanism, the duplex plunger displacement pump, the master control valve body, is reference system with the driver in the face of control crank, described handle mechanism comprises the left handle of driver's left-hand side, the right handles of driver's right-hand side, also comprise left supporting base, right supporting base, bracing frame, described left handle, the right handles lower end respectively with left supporting base, right supporting base is fixedly connected, described left supporting base, right supporting base is hinged by ball socket bearing and bracing frame upper end respectively, and the support frame as described above lower end is fixed on the loader cab floor; It is characterized in that described connecting rod mechanism comprises several vertical connecting rods, several horizontal connecting rod, described several vertical connecting rods upper end is hinged with left supporting base, right supporting base respectively, and vertical connecting rod lower end is hinged with swing mechanism respectively; The swing mechanism two ends respectively by seat supports at loader cab floor downside, described several horizontal connecting rod one end is hinged with swing mechanism respectively, and several horizontal connecting rod other ends are hinged with the spool that surges of the variable swash plate of duplex plunger displacement pump, master control valve body respectively.
2. glide steering loader manipulation device as claimed in claim 1, it is characterized in that, described several vertical connecting rod comprises upper connecting rod I, upper connecting rod II, swing arm control pull rod, scraper bowl control pull rod, and described several horizontal connecting rods comprise horizontal connecting rod I, horizontal connecting rod II, horizontal connecting rod III, horizontal connecting rod IV.
3. glide steering loader manipulation device as claimed in claim 1, it is characterized in that, described swing mechanism comprises left side swing sleeve, right swing sleeve, swing arm, reduction torsion spring, described left side swing sleeve, right swing sleeve are bearing on the swing arm by the sleeve bearing that is arranged on two ends respectively, described swing arm two ends are bearing on the swing arm bearing by the swing arm bearing respectively, described swing arm bearing is fixed on the cab floor downside, described reduction torsion spring is sleeved on swing arm one end, and is positioned at the swing arm bearing.
4. glide steering loader manipulation device as claimed in claim 3, it is characterized in that, described left side swing sleeve, right swing sleeve radially extend left sleeve crank, right sleeve crank respectively, described left sleeve crank outer end and horizontal connecting rod I one end are hinged, and the first variable swash plate of the horizontal connecting rod I other end and duplex plunger displacement pump is hinged; Right sleeve crank outer end and horizontal connecting rod II one end are hinged, and the second variable swash plate of the horizontal connecting rod II other end and duplex plunger displacement pump is hinged.
5. glide steering loader manipulation device as claimed in claim 3 is characterized in that, described swing arm control pull rod upper end is hinged with left supporting base, and swing arm control pull rod lower end is hinged with the crank I outer end that is fixed on the swing arm left end; Described scraper bowl control pull rod upper end is hinged with right supporting base, scraper bowl control pull rod lower end is hinged with the end of cranking arm that is sleeved on the swing arm right-hand member, the described other end and horizontal connecting rod III one end of cranking arm is hinged, and spool I one end that surges of the horizontal connecting rod III other end and master control valve body is hinged; Described horizontal connecting rod IV one end is hinged with the crank II outer end that is fixed on swing arm right-hand member termination, and spool II one end that surges of the described horizontal connecting rod IV other end and master control valve body is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102659015A CN101936019B (en) | 2010-08-27 | 2010-08-27 | Operating device of skid-steering loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102659015A CN101936019B (en) | 2010-08-27 | 2010-08-27 | Operating device of skid-steering loader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101936019A true CN101936019A (en) | 2011-01-05 |
| CN101936019B CN101936019B (en) | 2012-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102659015A Expired - Fee Related CN101936019B (en) | 2010-08-27 | 2010-08-27 | Operating device of skid-steering loader |
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| Country | Link |
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| CN (1) | CN101936019B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506224A (en) * | 2011-10-10 | 2012-06-20 | 江苏柳工机械有限公司 | Unloading valve operating mechanism for skid-steer loader |
| CN104302846A (en) * | 2012-04-26 | 2015-01-21 | 威克纽森林茨有限公司 | Device for controlling a working machine |
| CN107407070A (en) * | 2015-10-30 | 2017-11-28 | 株式会社小松制作所 | Working truck |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2488968Y (en) * | 2001-08-07 | 2002-05-01 | 山东临沂工程机械股份有限公司 | Single handle operating mechanism for loader |
| CN1986978A (en) * | 2006-12-27 | 2007-06-27 | 广西柳工机械股份有限公司 | Servo controller for loading machine |
| US20070227803A1 (en) * | 2006-03-30 | 2007-10-04 | The Charles Machine Works, Inc. | Multiple Function Control System For Work Machine |
| CN201071518Y (en) * | 2007-07-03 | 2008-06-11 | 泰安兰恩工程机械制造有限公司 | Novel mechanical control device of slipping loader |
| CN101487278A (en) * | 2009-02-13 | 2009-07-22 | 江苏柳工机械有限公司 | Walking operation apparatus of sliding steering loader |
| CN201835313U (en) * | 2010-08-27 | 2011-05-18 | 江苏柳工机械有限公司 | Operating device of sliding steering loader |
-
2010
- 2010-08-27 CN CN2010102659015A patent/CN101936019B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2488968Y (en) * | 2001-08-07 | 2002-05-01 | 山东临沂工程机械股份有限公司 | Single handle operating mechanism for loader |
| US20070227803A1 (en) * | 2006-03-30 | 2007-10-04 | The Charles Machine Works, Inc. | Multiple Function Control System For Work Machine |
| CN1986978A (en) * | 2006-12-27 | 2007-06-27 | 广西柳工机械股份有限公司 | Servo controller for loading machine |
| CN201071518Y (en) * | 2007-07-03 | 2008-06-11 | 泰安兰恩工程机械制造有限公司 | Novel mechanical control device of slipping loader |
| CN101487278A (en) * | 2009-02-13 | 2009-07-22 | 江苏柳工机械有限公司 | Walking operation apparatus of sliding steering loader |
| CN201835313U (en) * | 2010-08-27 | 2011-05-18 | 江苏柳工机械有限公司 | Operating device of sliding steering loader |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506224A (en) * | 2011-10-10 | 2012-06-20 | 江苏柳工机械有限公司 | Unloading valve operating mechanism for skid-steer loader |
| CN102506224B (en) * | 2011-10-10 | 2013-12-25 | 江苏柳工机械有限公司 | Unloading valve operating mechanism for skid-steer loader |
| CN104302846A (en) * | 2012-04-26 | 2015-01-21 | 威克纽森林茨有限公司 | Device for controlling a working machine |
| CN107407070A (en) * | 2015-10-30 | 2017-11-28 | 株式会社小松制作所 | Working truck |
| US10370821B2 (en) | 2015-10-30 | 2019-08-06 | Komatsu Ltd. | Work vehicle |
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| Publication number | Publication date |
|---|---|
| CN101936019B (en) | 2012-06-06 |
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