CN102937139A - Pivoting support, boom system and elevating fire truck - Google Patents
Pivoting support, boom system and elevating fire truck Download PDFInfo
- Publication number
- CN102937139A CN102937139A CN2012104575189A CN201210457518A CN102937139A CN 102937139 A CN102937139 A CN 102937139A CN 2012104575189 A CN2012104575189 A CN 2012104575189A CN 201210457518 A CN201210457518 A CN 201210457518A CN 102937139 A CN102937139 A CN 102937139A
- Authority
- CN
- China
- Prior art keywords
- gear ring
- drive unit
- pivoting support
- collar
- roll piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/50—Other types of ball or roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
A pivoting support comprises a first lantern ring, a second lantern ring, a first gear ring, a second gear ring, a first circle of rolling members, a second circle of rolling members, a third circle of rolling members, a first driving device, a second driving device and a third driving device. The first gear ring and the second gear ring are arranged between the first lantern ring and the second lantern ring, the first lantern ring is combined with the first gear ring through the first circle of rolling members to form a first pair of rotative surface groups, the first gear ring is combined with the second gear ring through the second circle of rolling members to form a second pair of rotative surface groups, the second gear ring is combined with the second lantern ring through the third circle of rolling members to form a third pair of rotative surface groups, the second pair of rotative surface groups forms an inclined included angle with the first pair of rotative surface groups and the second pair of rotative surface groups, the first driving device is used for driving the first gear ring to rotate relative to the first lantern ring, the second driving device is used for driving the first gear ring to rotate relative to the second gear ring, and the third driving device is used for driving the second gear ring to rotate relative to the second lantern ring.
Description
Technical field
The present invention relates to technical field of engineering machinery, especially relate to boom system and the pivoting support thereof of the boom type engineering machinery such as a kind of hoist, concrete mixer and the special-purpose vehicles such as high-altitude operation vehicle, elevating fire truck.
Background technique
In current engineering machinery (for example hoist, concrete mixer) and special-purpose vehicle (for example high-altitude operation vehicle, elevating fire truck) with boom system, all be to utilize the stretching, extension of boom system to enlarge the working zone, generally be to utilize elevating ram that jib is carried out lifting, so that whole jib stretches, people or thing are transported to predetermined working zone, reach the purpose of its work.
In response to the regulation of national safety standard, jib need to guarantee that jib had been in level before stretching.For example, for elevating fire truck (aerial ladder truck, Elevating platform fire truck, water tower truck etc.), before implementing rescue, fire extinguishing operation, according to the NBS mandatory requirement, need to adjust jib (aerial ladder) and enter level, to guarantee the safety of operation.Consider emergency, the particularity of rescue, fire extinguishing, vehicle is often understood Parking and is had on the road surface of certain slope, then adjusts the state of vehicle by variety of way, makes jib (aerial ladder) adjustment enter level, launches rescue, fire extinguishing operation.
Elevating fire truck all is equipped with pivoting support, and to realize the revolution of jib (aerial ladder), pivoting support has a variety of forms in order to realize special purpose, such as external toothing form, ring gear form etc.Elevating fire truck generally all is equipped with four supporting legs, and realizes supporting by support oil cylinder.
Please refer to Fig. 1, Fig. 1 is for having the elevating fire truck Parking now at the ground structural representation of the gradient, and this elevating fire truck comprises working bucket 10 ', jib 20 ', elevating ram 30 ', turntable 40 ', pivoting support 50 ', vehicle frame 70 ', front leg strut oil cylinder 80 ' and rear support leg oil cylinder 90 '.When elevating fire truck Parking during on acclive ground, can enter level to realize jib (aerial ladder) adjustment by the extending amount of support oil cylinder before and after adjusting, launch rescue, fire extinguishing operation.
The current national standard code, the angle adjustable of elevating fire truck needs 〉=5 °; The European norm regulation, the angle adjustable of elevating fire truck needs 〉=8 °; Be that elevating fire truck can have leveling and operation in the gradient situation of 5 ° (or 8 °) in the Parking position.Usually in order to guarantee to realize the stability of car load operation, the span of supporting leg (front and back span, left and right sides span) all designs very greatly (approximately 4M-6M does not wait), to guarantee enough supporting planes, tumble when preventing vehicle operation, in order to realize in large span situation, can realizing leveling by adjusting support oil cylinder, support oil cylinder generally need to be done quite longly, and needs suitable increase cylinder diameter to guarantee enough pressure bar stabilizations.
Generally speaking, above-mentionedly realize the scheme of leveling there are the following problems by adjusting support oil cylinder:
1, support oil cylinder is long, overweight, and design and manufacture is difficult to realize;
2, leveling speed is slow, and support oil cylinder need to guarantee that certain kinematic accuracy guarantee to adjust the accuracy of angle, can't stretch out fast;
3, leveling precision is general, owing to being four-point supporting (for statically indeterminate structure), and oil cylinder itself has certain elasticity (for fluid compresses), causes need to carrying out when leveling a large amount of repetitive controls;
4, when the supporting leg span is larger, and when need adjusting larger angle (as adjust to 8 ° according to European norm), the very difficult realization of prior art (oil cylinder needs overlength, have the problem such as can't install).
Summary of the invention
The embodiment of the invention provides a kind of pivoting support, but its self-regulating angle when Parking is on gradient ground, is debug flat with the engineering machinery that realizes having boom system and special-purpose vehicle on easily vehicle being carried out.
The embodiment of the invention provides a kind of pivoting support, comprise first collar and second collar, described pivoting support also comprises the first gear ring, the second gear ring, the first lap roll piece, the second circle roll piece, the 3rd circle roll piece, the first drive unit, the second drive unit and the 3rd drive unit, described the first gear ring and described the second gear ring are arranged between described first collar and described second collar, described first collar is combined by described first lap roll piece between described the first gear ring and is formed first pair of turning surface group, described the first gear ring is combined by described the second circle roll piece between described the second gear ring and is formed second pair of turning surface group, described the second gear ring is combined by described the 3rd circle roll piece between described second collar and is formed the 3rd pair of turning surface group, the relatively described first pair of turning surface group of described second pair of turning surface group and described second pair of turning surface group are slanted angle, described the first drive unit is used for driving the relatively described first set loopback of described the first gear ring and turns, described the second drive unit is used for driving relatively described the second gear ring revolution of described the first gear ring, and described the 3rd drive unit is used for driving relatively described second collar revolution of described the second gear ring.
Further, the internal surface of described the first gear ring is provided with first and drives gear ring in the top, described first drives gear ring is horizontally disposed with for the internal surface around described the first gear ring, and described the first drive unit adopts gear drive, and the gear of described the first drive unit and described first drives gear ring and cooperates.
Further, the internal surface of described the first gear ring is provided with second and drives gear ring in the bottom, described second drives gear ring is obliquely installed for the internal surface around described the first gear ring, and described the second drive unit adopts gear drive, and the gear of described the second drive unit and described second drives gear ring and cooperates.
Further, the internal surface of described the second gear ring is provided with the 3rd and drives gear ring in the bottom, the described the 3rd drives gear ring is horizontally disposed with for the internal surface around described the second gear ring, and described the 3rd drive unit adopts gear drive, and the gear of described the 3rd drive unit and the described the 3rd drives gear ring and cooperates.
Further, described first set ring set is located at the top periphery of described the first gear ring, described first lap roll piece is arranged between the outer surface of the internal surface of described first collar and described the first gear ring, and described first lap roll piece is horizontally disposed with for the periphery around described the first gear ring.
Further, the top of described the second gear ring is set in the bottom periphery of described the first gear ring, described the second circle roll piece is arranged between the internal surface and the outer surface bottom described the first gear ring at described the second gear ring top, and described the second circle roll piece is obliquely installed around the periphery of described the first gear ring.
Further, described second collar is set in the bottom periphery of described the second gear ring, between the internal surface that described the 3rd circle roll piece is arranged on described second collar and the outer surface of described the second gear ring, described the 3rd circle roll piece is horizontally disposed with for the periphery that centers on described the second gear ring.
The embodiment of the invention also provides a kind of boom system, comprise jib, elevating ram, turntable, vehicle frame, described jib is stretched oil cylinder by described act and is installed on the described turntable, described elevating fire truck also comprises above-mentioned pivoting support, and described pivoting support is located between described turntable and the described vehicle frame and with described turntable and is connected with described vehicle frame pivotally; First collar of described pivoting support is fixedly connected with described turntable, and second collar of described pivoting support is fixedly connected with described vehicle frame.
Further, the first drive unit of described pivoting support is fixed on the described turntable, and the second drive unit of described pivoting support is fixed on described the second gear ring, and the 3rd drive unit of described pivoting support is fixed on the described vehicle frame.
The embodiment of the invention also provides a kind of elevating fire truck, comprises working bucket and above-mentioned boom system, and described working bucket is installed on the jib of described boom system.
The beneficial effect that the technological scheme that the embodiment of the invention provides is brought is: the pivoting support that above-described embodiment provides, by relative other the two opposites groups (i.e. first pair of turning surface group and second pair of turning surface group) of second pair of turning surface group are the slanted angle design, but self-regulating angle, realize the relative vehicle frame of turntable 0 ° to 8 ° angular adjustment, need not to realize the leveling that fills on the vehicle by the extending amount of support oil cylinder before and after adjusting.
Description of drawings
In order to be illustrated more clearly in the technological scheme in the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is that existing elevating fire truck Parking is at the ground structural representation of the gradient;
Fig. 2 is that the elevating fire truck Parking that provides of the embodiment of the invention is at the ground structural representation of the gradient;
Fig. 3 is the sectional structure schematic diagram of the pivoting support that provides of the embodiment of the invention;
Fig. 4 is each plane of rotation of the pivoting support that provides of the embodiment of the invention and the graph of a relation between the vector;
Fig. 5 is in the pivoting support that provides of the embodiment of the invention, and the P3 plane is during around the rotation of n4 vector, the rotating locus figure of vector n 2;
Fig. 6 is in the pivoting support that provides of the embodiment of the invention, and vector n 1 relative vector n6 realizes the modular concept reduced graph that angle changes.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Please refer to Fig. 2, be a kind of elevating fire truck Parking of providing of the embodiment of the invention at the ground structural representation of the gradient, this elevating fire truck comprises working bucket 10, jib 20, elevating ram 30, turntable 40, pivoting support 60, vehicle frame 70, front leg strut oil cylinder 80 and rear support leg oil cylinder 90.
Working bucket 10 is installed on the end of jib 20, is used for carrying and transports personnel, disaster relief instrument or goods and materials etc.Jib 20 also can be described as ladder, and it is stretched oil cylinder 30 by act and is installed on the turntable 40; Jib 20 can be telescopic arm support or truss-type cantilever crane.Act is stretched oil cylinder 30 and is connected jib 20 and turntable 40, stretches by the act of the flexible realization of oil cylinder jib 20.But turntable 40 is installed on the pivoting support 60 of self-regulating angle, drives whole upper dress (be working bucket 10, jib 20, lift and stretch oil cylinder 30 and turntable 40) by rotary reducer and turns round.Front leg strut oil cylinder 80 and rear support leg oil cylinder 90 are fixed on the vehicle frame 70, the support when being used to form the car load operation.Vehicle frame 70 is used for connecting vehicle chassis and pivoting support 60, the power of bearing whole upper dress and front leg strut oil cylinder 80, rear support leg oil cylinder 90.Pivoting support 60 is located between turntable 40 and the vehicle frame 70 and with turntable 40 and is connected with vehicle frame 70 pivotally, makes turntable 40 relatively vehicle frame 70 revolutions under the support of pivoting support 60.
Usually elevating fire truck needs to guarantee the level of upper dress when carrying out normal operation, and when vehicle Parking during in non-level ground, but that the pivoting support 60 of the self-regulating angle that the embodiment of the invention provides can be realized debuging is flat.
Please refer to Fig. 3, the sectional structure schematic diagram of the pivoting support 60 that Fig. 3 provides for the embodiment of the invention, pivoting support 60 comprise the first collar 61a, the second collar 61b, the first gear ring 62, the second gear ring 63, first lap roll piece 64, the second circle roll piece 65, the 3rd circle roll piece 66, the first drive unit 67, the second drive unit 68 and the 3rd drive unit 69.
The first collar 61a and turntable 40 are fixedly connected with in the vehicle frame 70 one of them, and the first collar 61a is fixedly connected with by for example bolt with the bottom of turntable 40 in the present embodiment; The second collar 61b and turntable 40 are fixedly connected with in the vehicle frame 70 another, and the second collar 61b is fixedly connected with by for example bolt with the top of vehicle frame 70 in the present embodiment.That is, the first collar 61a and the second collar 61b axially are oppositely arranged.
The first gear ring 62 and the second gear ring 63 axially are set between the first collar 61a and the second collar 61b.
The internal surface of the first gear ring 62 is respectively equipped with the first driving gear ring 621 and the second driving gear ring 622 in top and bottom, wherein first drive gear ring 621 and be horizontally disposed with for the internal surface around the first gear ring 62, and second drive gear ring 622 and be obliquely installed for the internal surface around the first gear ring 62; The first collar 61a is set in the top periphery of the first gear ring 62, between the outer surface of the internal surface of the first collar 61a and the first gear ring 62 first lap roll piece 64 is set, and first lap roll piece 64 is horizontally disposed with around the periphery of the first gear ring 62.
The internal surface of the second gear ring 63 is provided with the 3rd driving gear ring 631, the three driving gear rings 631 and is horizontally disposed with for the internal surface around the second gear ring 63 in the bottom; The top of the second gear ring 63 is set in the bottom periphery of the first gear ring 62, arrange between the bottom outer surface of the internal surface of the second gear ring 63 and the first gear ring 62 the second circle roll piece 65, the second circle roll pieces 65 around the periphery of the first gear ring 62 be obliquely installed and with the first gear ring 62 tilt second to drive gear ring 622 corresponding.The second collar 61b is set in the bottom periphery of the second gear ring 63, the 3rd circle roll piece 66, the three circle roll pieces 66 is set between the outer surface of the internal surface of the second collar 61b and the second gear ring 63 is horizontally disposed with around the periphery of the second gear ring 63.
In the present embodiment, first lap roll piece 64, the second circle roll piece 65 and the 3rd circle roll piece 66 are ball, and a circle ball is set on every a pair of junction plane.Certainly, each roll piece can also adopt other forms such as roller bearing, needle bearing or slide block etc. to substitute.
The first drive unit 67 is fixed on the turntable 40, is used for driving turntable 40 and together relative the first gear ring 62 revolutions of the first collar 61a; The second drive unit 68 is fixed on the second gear ring 63, is used for driving 63 revolutions of the first gear ring 62 relative the second gear rings; The 3rd drive unit 69 is fixed on the vehicle frame 70, is used for driving the second gear ring 63 relative the second collar 61b and vehicle frame 70 revolutions.In the present embodiment, the first drive unit 67, the second drive unit 68 and the 3rd drive unit 69 all adopt gear drive, employing is by the cogged structure of rotary reducer band, the gear of each drive unit respectively with the driving gear ring corresponding matching of the first gear ring 62 or the second gear ring 63 internal surfaces.During 67 operation of the first drive unit, its gear drives gear ring 621 along first of the first gear ring 62 tops and creeps, the first drive unit 67 detours at the first driving gear ring 621 and moves in a circle, drive turntable 40 and the first collar 61a and rotate together, thereby realize relative revolution between the first gear ring 62 and the first collar 61a.During 68 operation of the second drive unit, its gear drives gear ring 622 cooperations with second of the first gear ring 62 bottoms and drives 63 revolutions of the first gear ring 62 relative the second gear rings.During 69 operation of the 3rd drive unit, its gear drives gear ring 631 cooperations and drives the second gear ring 63 relative the second collar 61b and vehicle frame 70 revolutions with the 3rd of the second gear ring 63 bottoms.Also be, in the present embodiment, the first drive unit 67 can detour in when operation and move in a circle, and the second drive unit 68 and the 3rd drive unit 69 position when operation immobilizes, and the first drive unit 67 and the second drive unit 68, the 3rd drive unit 69 are different in this.
Please in conjunction with reference Fig. 4, Fig. 4 shows each plane of rotation of pivoting support 60 and the relation between the vector, and wherein n1 is the vector that first lap roll piece 64 central axis are crossed on the P1 plane; N2 is the vector that first lap roll piece 64 central axis are crossed on the P2 plane; N3 is the vector that the second circle roll piece 65 central axis are crossed on the P3 plane; N4 is the vector that the second circle roll piece 65 central axis are crossed on the P4 plane; N5 is the vector that the 3rd circle roll piece 66 central axis are crossed on the P5 plane; N6 is the vector that the 3rd circle roll piece 66 central axis are crossed on the P6 plane.
The P1 plane is the lower plane (or upper plane of the first collar 61a) of turntable 40, and its planar process vector is n1, is connected with jib 20 by turntable 40, and can realizes that by the first drive unit 67 the P1 plane is around the rotation of n2 vector.
The P2 plane is the driving gear ring face at the first gear ring 62 tops, and its planar process vector is n2, and the first drive unit 67 drives the P1 plane around the gear ring rotation on P2 plane.
The P3 plane is the driving gear ring face of the first gear ring 62 bottoms, and its planar process vector is n3, can realize that by the second drive unit 68 the P3 plane is around the rotation of n4 vector; P3 plane and P2 plane are being rigidly connected of fixing, because P2, P3 plane are jointly to be formed on the first gear ring 62, when P3 plane during around the rotation of n4 vector, interlock are caused rotation and the deflection of n2 vector.As shown in Figure 5, when P3 plane during around n4 rotation alpha °, P3 drives the P2 Plane Rotation, and the normal vector n2 of P2 will be rotated, be inclined to according to rotating locus (the locus circle O among Fig. 5) position of n2 ' among the figure, and it causes that the inclination angle on P2 plane is θ °.
The P4 plane is the supporting surface on P3 plane, is the top inclined surface of the second gear ring 63, and its normal vector is n4, and the n4 vector overlaps with the n3 vector, and n3 does rotation motion around n4.
The P5 plane is the bottom ring gear face of the second gear ring 63, and its planar process vector is n5, can realize that by the 3rd drive unit 69 the P5 plane is around the rotation of n6 vector; P5 plane and P4 plane are being rigidly connected of fixing, because P4, P5 plane are jointly to be formed on the second gear ring 63, when P5 plane during around the rotation of n6 vector, the n5 vector will drive the n4 vector and rotate together; In addition, the second drive unit 68 is installed on the P5 plane, when the P5 Plane Rotation, will drive the second drive unit 68 and rotate together, and therefore, when the n5 vector drove the rotation of n4 vector, P2, P3 plane relative n4 vector angle did not change.So the n5 vector when the rotation of n6 vector, will drive n4, n3, the n2 vector is done whole revolution.
The P6 plane is vehicle frame 70 planes, is the vehicle body plane, and its normal vector is n6, stops the ground normal direction with car load and overlaps.
The angular adjustment principle of pivoting support 60 is: the final purpose of the embodiment of the invention is to realize that the relative n6 of n1 realizes that in any direction turntable 40 relative vehicle frames 70 change in the angle of 0 ° to 8 ° (by European norm), because n1, n2 overlap, omit n2, n3, n4 overlap in addition, omit n4, according to above elaboration, modular concept is simplified as shown in Figure 6.N1 is driven by the second drive unit 68, carries out rotation motion around n3 and obtains n1 ', and 0 ° to 8 ° angle changes stop motion after obtaining needed angle on the realization fixed-direction.Because the second drive unit 68 is fixed on the P5, when n5 when n6 rotates, will drive the integral body revolution on n3 and the n1 ' travel direction, the variation on the realization any direction finally realizes the angular adjustment purpose.
Comprehensively above-mentioned, the pivoting support 60 of the embodiment of the invention has three pairs of turning surface groups, between the first collar 61a and the first gear ring 62 by first lap roll piece 64 in conjunction with and form first pair of turning surface group (being P1 and P2 face group), enclose roll piece 65 combinations and form second pair of turning surface group (being P3 and P4 face group) by second between the first gear ring 62 and the second gear ring 63, enclose roll piece 66 combinations and form the 3rd pair of turning surface group (being P5 and P6 face group) by the 3rd between the second gear ring 63 and the second collar 61b, use roll piece to realize the revolution support between each opposite group; The relative P2 face of the P3 face of the first gear ring 62 forms the tilt angle design, and the first gear ring 62 is designed to overall structure, the relative P5 face of the P4 face of the second gear ring 63 forms the tilt angle design, and the second gear ring 63 is designed to overall structure, make second pair of turning surface group (being P3, P4 face group) relatively other two opposites groups (i.e. first pair of turning surface group and second pair of turning surface group) be slanted angle design, like this when n3 when n4 rotates, P3 drives the rotation of P1, P2 face group, and maximum can realize forming between P1, P2 face group and P5, the P6 variation of 2 times of slanted angles; The second drive unit 68 is fixed on the P5 face, when the P5 face when the n6 face rotates, realize that P1, P2, P3, P4, P5 plane do whole revolution around n6, thereby realize that angle tilts to any direction.
Understandable, the pivoting support of the embodiment of the invention can realize that the relative vehicle frame of turntable 0 ° to 8 ° angular adjustment, realizes the variation of other angles by the angle of adjusting P3, P4 plane certainly, also just can realize the adjustment of more other angles.
Understandable, each of the embodiment of the invention drives on the gear ring and only is provided with a drive motor, certainly drives the quantity that can increase drive motor on the gear ring at each.
Understandable, the cooperating between gear ring and each drive motor that respectively drive of the embodiment of the invention all is set to spur gear, can certainly use helical gear to cooperate the revolution that drives gear ring.
Understandable, the embodiment of the invention uses ball as roll piece, can certainly use the revolution of other rotation modes replacement balls, such as using roller bearing, needle bearing or slide block etc.
Understandable, the axial height of the wall of each gear ring of the embodiment of the invention (i.e. the first gear ring and the second gear ring) is along circumferentially gradually changing, each gear ring is wedge shape, certainly the axial height of the wall of each gear ring is along circumferentially also can all equating, relative other the two opposites groups of second pair of turning surface group (i.e. first pair of turning surface group and second pair of turning surface group) that form of only need guaranteeing to mutually combine between the first gear ring and the second gear ring are slanted angle design, can realize filling the angle levelling function on the vehicle of the embodiment of the invention.
Understandable, first collar of the embodiment of the invention is fixedly connected with turntable, and second collar is fixedly connected with vehicle frame; Certain first collar and second collar also can oppositely arrange, and namely first collar is fixedly connected with vehicle frame, and second collar is fixedly connected with turntable, also is the principle that equally can realize the angle leveling.
But the boom system that the embodiment of the invention is intended to protect a kind of pivoting support of self-regulating angle and uses this pivoting support, this pivoting support can be used in the engineering machinery (for example hoist, concrete mixer) and special-purpose vehicle (for example high-altitude operation vehicle, elevating fire truck) with boom system.Understandable, above-described embodiment describes structure and the principle of pivoting support as an example with elevating fire truck, is not that utilization to pivoting support limits.
The pivoting support that the embodiment of the invention provides, relatively existing supporting leg leveling has the following advantages:
(1) existing supporting leg leveling is owing to the restriction of support oil cylinder length, and maximum can only realize the adjustment of 5 ° of angles, and the embodiment of the invention can realize the adjustment at maximum 8 ° of angles;
(2) during existing supporting leg leveling because problems such as the elasticity of support oil cylinder itself and precision, need repeatedly to adjust the variation that realizes the vehicle body angle, and the embodiment of the invention is by the feedback control drive motor of level sensor, can realize fast, angular adjustment accurately, needing to have great jump on the higher elevating fire truck of height rescue equal time requirement;
Need the large stroke leveling of support oil cylinder when (3) having the supporting leg leveling now, so the common design comparison of supporting leg and support oil cylinder is large and heavy, take up room larger, and use the embodiment of the invention as main leveling method, layout and the structure of supporting leg will be more flexible, for complicated, the narrow places such as street of space form, has very large space advantage.
Need to prove, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby not only comprise those key elements so that comprise process, method, article or the equipment of a series of key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.In the situation that not more restrictions, the key element that is limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. pivoting support, comprise first collar and second collar, it is characterized in that: described pivoting support also comprises the first gear ring, the second gear ring, the first lap roll piece, the second circle roll piece, the 3rd circle roll piece, the first drive unit, the second drive unit and the 3rd drive unit, described the first gear ring and described the second gear ring are arranged between described first collar and described second collar, described first collar is combined by described first lap roll piece between described the first gear ring and is formed first pair of turning surface group, described the first gear ring is combined by described the second circle roll piece between described the second gear ring and is formed second pair of turning surface group, described the second gear ring is combined by described the 3rd circle roll piece between described second collar and is formed the 3rd pair of turning surface group, the relatively described first pair of turning surface group of described second pair of turning surface group and described second pair of turning surface group are slanted angle, described the first drive unit is used for driving the relatively described first set loopback of described the first gear ring and turns, described the second drive unit is used for driving relatively described the second gear ring revolution of described the first gear ring, and described the 3rd drive unit is used for driving relatively described second collar revolution of described the second gear ring.
2. pivoting support as claimed in claim 1, it is characterized in that, the internal surface of described the first gear ring is provided with first and drives gear ring in the top, described first drives gear ring is horizontally disposed with for the internal surface around described the first gear ring, described the first drive unit adopts gear drive, and the gear of described the first drive unit and described first drives gear ring and cooperates.
3. pivoting support as claimed in claim 1 or 2, it is characterized in that, the internal surface of described the first gear ring is provided with second and drives gear ring in the bottom, described second drives gear ring is obliquely installed for the internal surface around described the first gear ring, described the second drive unit adopts gear drive, and the gear of described the second drive unit and described second drives gear ring and cooperates.
4. pivoting support as claimed in claim 3, it is characterized in that, the internal surface of described the second gear ring is provided with the 3rd and drives gear ring in the bottom, the described the 3rd drives gear ring is horizontally disposed with for the internal surface around described the second gear ring, described the 3rd drive unit adopts gear drive, and the gear of described the 3rd drive unit and the described the 3rd drives gear ring and cooperates.(the 3rd drives gear ring+the 3rd drive unit)
5. pivoting support as claimed in claim 1, it is characterized in that, described first set ring set is located at the top periphery of described the first gear ring, described first lap roll piece is arranged between the outer surface of the internal surface of described first collar and described the first gear ring, and described first lap roll piece is horizontally disposed with for the periphery around described the first gear ring.
6. such as claim 1 or 5 described pivoting supports, it is characterized in that, the top of described the second gear ring is set in the bottom periphery of described the first gear ring, described the second circle roll piece is arranged between the internal surface and the outer surface bottom described the first gear ring at described the second gear ring top, and described the second circle roll piece is obliquely installed around the periphery of described the first gear ring.
7. pivoting support as claimed in claim 6, it is characterized in that, described second collar is set in the bottom periphery of described the second gear ring, between the internal surface that described the 3rd circle roll piece is arranged on described second collar and the outer surface of described the second gear ring, described the 3rd circle roll piece is horizontally disposed with for the periphery that centers on described the second gear ring.
8. boom system, comprise jib, elevating ram, turntable, vehicle frame, described jib is stretched oil cylinder by described act and is installed on the described turntable, it is characterized in that: also comprise such as each described pivoting support of claim 1 to 7, described pivoting support is located between described turntable and the described vehicle frame and with described turntable and is connected with described vehicle frame pivotally; First collar of described pivoting support is fixedly connected with described turntable, and second collar of described pivoting support is fixedly connected with described vehicle frame.
9. boom system as claimed in claim 8, it is characterized in that, the first drive unit of described pivoting support is fixed on the described turntable, and the second drive unit of described pivoting support is fixed on described the second gear ring, and the 3rd drive unit of described pivoting support is fixed on the described vehicle frame.
10. an elevating fire truck comprises working bucket, it is characterized in that: also comprise boom system as claimed in claim 9, described working bucket is installed on the jib of described boom system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210457518.9A CN102937139B (en) | 2012-11-14 | 2012-11-14 | Pivoting support, boom system and elevating fire truck |
| PCT/CN2012/087397 WO2014075371A1 (en) | 2012-11-14 | 2012-12-25 | Rotary bearing, cantilever system and elevated fire engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210457518.9A CN102937139B (en) | 2012-11-14 | 2012-11-14 | Pivoting support, boom system and elevating fire truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102937139A true CN102937139A (en) | 2013-02-20 |
| CN102937139B CN102937139B (en) | 2015-04-01 |
Family
ID=47696053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210457518.9A Active CN102937139B (en) | 2012-11-14 | 2012-11-14 | Pivoting support, boom system and elevating fire truck |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102937139B (en) |
| WO (1) | WO2014075371A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358079A (en) * | 2018-04-24 | 2018-08-03 | 徐工集团工程机械股份有限公司 | A kind of Multifunctional working platform |
| CN108821142A (en) * | 2018-08-02 | 2018-11-16 | 合肥市春华起重机械有限公司 | A kind of loop wheel machine and manipulator |
| CN108915578A (en) * | 2018-06-08 | 2018-11-30 | 太仓市冠东机械科技有限公司 | A kind of fire fighting conveying aerial ladder |
| CN109775570A (en) * | 2019-03-14 | 2019-05-21 | 南通润邦重机有限公司 | Hydraulic lifting type pedestal method for automatically leveling |
| CN110980561A (en) * | 2019-12-16 | 2020-04-10 | 江苏航运职业技术学院 | Harbour crane jib loading boom slewer |
| CN114253277A (en) * | 2022-02-28 | 2022-03-29 | 徐工消防安全装备有限公司 | Work device control system and method for work vehicle, and work vehicle |
| CN115321443A (en) * | 2022-08-19 | 2022-11-11 | 青岛九合机械科技有限公司 | Overhead car round pin axle bears frame |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11772361B2 (en) | 2020-04-02 | 2023-10-03 | Corning Incorporated | Curved glass constructions and methods for forming same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2272842Y (en) * | 1996-07-17 | 1998-01-21 | 中国航空工业总公司第六○一研究所 | Skew plate leveling mechanism |
| CN2333837Y (en) * | 1998-06-08 | 1999-08-18 | 徐州回转支承公司 | Double-rotating oblique rollaway rotary support |
| CN1274822A (en) * | 1999-05-24 | 2000-11-29 | 株式会社森田 | Pipe-fitting joint and fire truck |
| CN2686581Y (en) * | 2004-03-22 | 2005-03-23 | 宇文合 | Slide type ambulance |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4303208A1 (en) * | 1992-03-24 | 1993-09-30 | Iveco Magirus | Device for the vertical alignment of the vertical axis of a structure connected to a base frame so that it can be rotated and tilted |
| US5834662A (en) * | 1993-06-19 | 1998-11-10 | Imo-Industrie-Momentenlager Stoll & Russ Gmbh | Arrangement for the rotary actuation of an apparatus on a chassis or foundation |
| CN202245732U (en) * | 2011-08-31 | 2012-05-30 | 杭州正翔起重机械制造有限公司 | Rotator of electromagnetic door type crane |
-
2012
- 2012-11-14 CN CN201210457518.9A patent/CN102937139B/en active Active
- 2012-12-25 WO PCT/CN2012/087397 patent/WO2014075371A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2272842Y (en) * | 1996-07-17 | 1998-01-21 | 中国航空工业总公司第六○一研究所 | Skew plate leveling mechanism |
| CN2333837Y (en) * | 1998-06-08 | 1999-08-18 | 徐州回转支承公司 | Double-rotating oblique rollaway rotary support |
| CN1274822A (en) * | 1999-05-24 | 2000-11-29 | 株式会社森田 | Pipe-fitting joint and fire truck |
| CN2686581Y (en) * | 2004-03-22 | 2005-03-23 | 宇文合 | Slide type ambulance |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358079A (en) * | 2018-04-24 | 2018-08-03 | 徐工集团工程机械股份有限公司 | A kind of Multifunctional working platform |
| CN108915578A (en) * | 2018-06-08 | 2018-11-30 | 太仓市冠东机械科技有限公司 | A kind of fire fighting conveying aerial ladder |
| CN108821142A (en) * | 2018-08-02 | 2018-11-16 | 合肥市春华起重机械有限公司 | A kind of loop wheel machine and manipulator |
| CN109775570A (en) * | 2019-03-14 | 2019-05-21 | 南通润邦重机有限公司 | Hydraulic lifting type pedestal method for automatically leveling |
| CN109775570B (en) * | 2019-03-14 | 2020-08-04 | 南通润邦重机有限公司 | Automatic leveling method for hydraulic jacking type base |
| CN110980561A (en) * | 2019-12-16 | 2020-04-10 | 江苏航运职业技术学院 | Harbour crane jib loading boom slewer |
| CN110980561B (en) * | 2019-12-16 | 2020-11-03 | 江苏航运职业技术学院 | Harbour crane jib loading boom slewer |
| CN114253277A (en) * | 2022-02-28 | 2022-03-29 | 徐工消防安全装备有限公司 | Work device control system and method for work vehicle, and work vehicle |
| CN114253277B (en) * | 2022-02-28 | 2022-07-05 | 徐工消防安全装备有限公司 | Work device control system and method for work vehicle, and work vehicle |
| CN115321443A (en) * | 2022-08-19 | 2022-11-11 | 青岛九合机械科技有限公司 | Overhead car round pin axle bears frame |
| CN115321443B (en) * | 2022-08-19 | 2024-06-04 | 青岛九合机械科技有限公司 | Pin bearing frame of high-altitude vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014075371A1 (en) | 2014-05-22 |
| CN102937139B (en) | 2015-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102937139B (en) | Pivoting support, boom system and elevating fire truck | |
| CN107601077B (en) | Self-propelled container overturning vehicle | |
| CN103463768B (en) | Levelling device, leveling turntable system and fire fighting truck | |
| US20150125252A1 (en) | Crawler for transporting heavy loads, system comprising a plurality of crawlers and method for transporting heavy loads | |
| CN206983656U (en) | Bascule and vehicle | |
| CN107775611B (en) | Cantilever type multi-shaft rotary table for spacecraft attitude adjustment | |
| CN210210398U (en) | Swing arm mechanism with tail end kept horizontal passively | |
| CN101723243A (en) | Supporting mechanism | |
| CN206011080U (en) | A kind of omnidirectional hoisting instrument | |
| CN102529908A (en) | Supporting device and engineering machinery vehicle | |
| CN203724673U (en) | Leveling device, rotary table leveling system and fire fighting truck | |
| CN102689170A (en) | Support adjusting device for beam arm member and crane turnaround carrier vehicle | |
| CN204075557U (en) | A kind of bonding machine suspension bracket supporting rotaring device for bearing block | |
| CN106181955B (en) | A kind of construction transportation industrial robot Special supporting device | |
| CN104828714B (en) | For the balance weight mechanism of engineering machinery | |
| CN105439004A (en) | Hoisting equipment | |
| CN108100948A (en) | A kind of leveling mechanism of telescopic handler device and its automatic adjustment method | |
| CN107363821B (en) | Unloading type series-parallel multi-degree-of-freedom posture adjusting platform | |
| CN105819368A (en) | Hydraulic elevating platform with 360-degree rotatable table top | |
| CN103253602A (en) | Liftable self-propelled tracked vehicle superlift device and crane | |
| CN206088956U (en) | High altitude construction car work platform levelling device with prevent platform function of tumbling | |
| CN109867213A (en) | A kind of high altitude operation special purpose vehicle capstan head levelling device | |
| CN104261280A (en) | Engineering machinery and changeable track base plate device thereof | |
| CN204138220U (en) | A kind of construction machinery and equipment and rail-variable base apparatus thereof | |
| CN205855935U (en) | A kind of aerial lift device and chassis thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 410200 No. 997, Section 2, Tengfei Road, Wangcheng District, Changsha City, Hunan Province Patentee after: Hunan Zoomlion emergency equipment Co.,Ltd. Address before: No.997 Jinxing Road, Wangcheng District, Changsha City, Hunan Province Patentee before: Changsha Zhonglian Fire-Fighting Machinery Co.,Ltd. |