CN103708389B - Lifting appliance and there is the paver of this lifting appliance - Google Patents
Lifting appliance and there is the paver of this lifting appliance Download PDFInfo
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- CN103708389B CN103708389B CN201410012128.XA CN201410012128A CN103708389B CN 103708389 B CN103708389 B CN 103708389B CN 201410012128 A CN201410012128 A CN 201410012128A CN 103708389 B CN103708389 B CN 103708389B
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- bearing
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- 238000000034 method Methods 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Road Paving Machines (AREA)
Abstract
The invention discloses a kind of lifting appliance and there is the paver of this lifting appliance.Lifting appliance comprises: the first telescoping mechanism, and its one end is articulated with in frame and forms the first hinge, and the first telescoping mechanism is provided with lifting attaching parts; Second telescoping mechanism, its one end is articulated with in frame and forms the second hinge, and the other end is articulated with the other end of the first telescoping mechanism; 3rd telescoping mechanism, its one end is articulated with in frame and forms tri-joint mechanism, and the other end is articulated with the first telescoping mechanism near its other end place; First hinge, the second hinge and tri-joint mechanism not conllinear, and the second hinge is positioned at the top of the first hinge.Lifting appliance of the present invention can realize the lift up rapidly of spiral extension section and screed extension in the full width width that paves of paver, and it is convenient and swift, time saving and energy saving to lift by crane.The paver with lifting appliance of the present invention independently can realize the lift up rapidly to spiral extension section and screed extension in the building site not having fork truck etc. to lift by crane accessory equipments.
Description
Technical field
The present invention relates to a kind of lift up rapidly device for paver screw extension and screed extension and there is the paver of this lifting appliance.Belong to road machinery field.
Background technology
Paver is a kind of common equipment of pavement construction, and it is mainly used for the preparation of construction of road base layer and the various material paving operation of surface layer.Spiral distributor and screed are the vitals of paver, spiral distributor is the critical component of material circulation in construction with paving machine process, its Main Function is transmitted from centre to both sides by material to be paved, the passage transmitted is the hopper be made up of together with screed spiral striker plate, screed is a main working parts of paver, its Main Function is that the mixing such as bittulith, Stabilized Soil of carrying spiral distributor paves that material flattens, shaping and pre-compacted, for the further compacting of roller subsequently provides good service conditions.
Along with the development of science and technology and the construction of freeway net and the railway network, the planeness of road surface and roadbed and degree of firmness are had higher requirement.Because screed directly contacts with the material that paves, therefore, the performance state of screed, can be directly reflected into the road surface after paving.So screed and relative spiral distributor are the critical components ensureing pavement spread quality.Simultaneously, according to construction demand, screed can be widened to different paving widths within the specific limits, realize different breadth continuous paving operation and in same breadth can actv. ensure road surface section (i.e. the cross-sectional plane of roadbed) transverse grade (i.e. the gradient on road-center alignment both sides).And spiral distributor also needs the demand with construction to coordinate screed corresponding increase spiral extension section, to enable spiral distributor be spliced to the width of needs, ensure to be the abundant feed of screed in full width width.
Spiral extension section comprises extension screw shaft, is loaded on the helicallobe on extension screw shaft and extends striker plate, extend striker plate to mate with extension screw shaft, extend screw shaft to be connected with the main shaft of spiral distributor on the one hand, be connected with extension striker plate by flap seat on the other hand.Spiral extension section and screed extension hundreds of kilogram at least, thousands of kilograms at most, along with the carrying out of pavement construction, paving width constantly can change along with the demand of construction party, although there is telescopic screed to a certain degree meeting down different paving width demand, but the spiral extension section matched with it also needs splicing, as different paving widths need be spliced, on the building site not having the special lifting accessory equipments such as fork truck, entirely with manpower lifting, quite difficulty is installed, and take time and effort, work efficiency is low, has a strong impact on operating efficiency and the construction speed of paver.Therefore, design a kind of to be loaded on paver can the lifting appliance of quick and convenient lifting spiral extension section and screed extension for raising equipment use efficiency, improve the tools such as construction speed and be of great significance.
Summary of the invention
In view of the above-mentioned problems in the prior art, technical matters to be solved by this invention is to provide and a kind ofly meets different building site and to pave the spiral extension section of different in width and the lifting appliance of screed extension lift up rapidly.
In order to solve the problems of the technologies described above, present invention employs following technical scheme: lifting appliance, for lifting by crane spiral extension section and the screed extension of paver outside its frame being arranged at paver, described lifting appliance comprises:
First telescoping mechanism, the described frame that its one end is articulated with paver forms the first hinge, described first telescoping mechanism is provided with lifting attaching parts;
Second telescoping mechanism, the described frame that its one end is articulated with paver forms the second hinge, and the other end that the other end is articulated with described first telescoping mechanism stretches for making described first telescoping mechanism rotate with what make described second telescoping mechanism;
3rd telescoping mechanism, the described frame that its one end is articulated with paver forms tri-joint mechanism, the other end be articulated with described first telescoping mechanism near its other end sentence make described 3rd telescoping mechanism stretch for driving described first telescoping mechanism to rotate; Wherein,
Described first hinge, the second hinge and tri-joint mechanism are not located along the same line, and described second hinge is positioned at the top of described first hinge.
As preferably, described first telescoping mechanism is the first hydraulic ram, and described second telescoping mechanism is the second hydraulic ram, and described 3rd telescoping mechanism is the 3rd hydraulic ram; One end of described first hydraulic ram by a spherical plain bearing rod end and described frame hinged; One end of described second hydraulic ram is hinged by a spherical plain bearing rod end and described frame, and the other end that the other end passes through a spherical plain bearing rod end and described first hydraulic ram is hinged; One end of described 3rd hydraulic ram is hinged by a spherical plain bearing rod end and described frame, the other end pass through a spherical plain bearing rod end and described first hydraulic ram hinged.
As preferably, also comprise the first adapter plate, described first adapter plate is installed in described frame, described first adapter plate is provided with the first identical bearing of structure and the second bearing; Described first bearing comprises two lugs be oppositely arranged, and two described lugs offer corresponding circular hole, and the axis being parallel of described circular hole is in the mounting plane of described frame; Described spherical plain bearing rod end comprises with the externally threaded body of rod and the oscillating bearing being connected to described body of rod one end, described oscillating bearing comprises outer ring and forms the inner ring of mating spherical surfaces with being arranged in described outer ring with the inwall of outer ring, and the middle part of described inner ring is formed with pin-and-hole; The oscillating bearing of described spherical plain bearing rod end is arranged between two described lugs, and described first bearing and described spherical plain bearing rod end are by realizing hinged through the bearing pin of the circular hole of lug described in the circular hole of lug, the pin-and-hole of inner ring and another one described in one of them successively; Described second bearing is used for realizing hinged with the spherical plain bearing rod end of one end of the second hydraulic ram.
As preferably, the other end of described first hydraulic ram is provided with four bearing identical with described first seat structure, and described spherical plain bearing rod end and described 4th bearing of the other end of described second hydraulic ram are hinged; Described first hydraulic ram is also provided with five bearing identical with described first seat structure, described spherical plain bearing rod end and described 5th bearing of the other end of described 3rd hydraulic ram are hinged.
As preferably, the end that described first hydraulic ram, the second hydraulic ram and the 3rd hydraulic ram arrange described spherical plain bearing rod end offers the tapped bore coordinated with the outside thread on the body of rod of described spherical plain bearing rod end respectively.
As preferably, described first adapter plate offers the first waist shaped hole, the length direction of described first waist shaped hole is parallel to the short transverse of described frame, and described first adapter plate is by being located in screw in described first waist shaped hole or bolt is connected in described frame.
As preferably, also comprise the second adapter plate, described second adapter plate is installed in described frame, described second adapter plate is equiped with three abutments, described three abutments also comprises the lug identical with described first seat structure, the axes normal of the circular hole of the lug of described three abutments, in the mounting plane of described frame, described second adapter plate offers the second waist shaped hole, and the length direction of described second waist shaped hole is parallel to the mounting plane of described frame.
As preferably, described lifting attaching parts comprises suspender belt and is arranged on the connecting panel on described first hydraulic ram, and described connecting panel offers multiple connecting bore; In lifting process, one end of described suspender belt is connected with described connecting bore, and the other end is connected with described spiral extension section or screed extension.
As preferably, described connecting panel is fixed on the cylinder body of described first hydraulic ram, and described connecting bore is laid in a row along described cylinder body length direction on described connecting panel.
The present invention discloses a kind of paver, comprise frame, spiral distributor, screed, spiral extension section and screed extension, also comprise above-mentioned lifting appliance, described lifting appliance is two and distributes to be arranged at the both sides of described frame.
Compared with prior art, the beneficial effect of lifting appliance of the present invention and the paver with this lifting appliance is:
1, lifting appliance of the present invention can realize the lift up rapidly to spiral extension section and screed extension in the full width width that paves of paver, and lift by crane convenient and swift, time saving and energy saving.
2, the paver with the lifting appliance of the present invention lift up rapidly that do not having the building site of the special lifting accessory equipments such as fork truck independently can realize spiral extension section and screed extension, thus improve the equipment use efficiency of paver, improve construction speed.
3, the paver with lifting appliance of the present invention is when without the need to lifting by crane, can remove the first telescoping mechanism, hinged between the second telescoping mechanism and the 3rd telescoping mechanism, make each telescoping mechanism be in free state, and do not take locus, paver both sides.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram (lifting appliance is in crane lifting service state) that lifting appliance of the present invention is applied on paver.
Fig. 2 is the plan structure schematic diagram (lifting appliance is in crane lifting service state) that lifting appliance of the present invention is applied on paver.
Fig. 3 is the outer ring of the spherical plain bearing rod end that lifting appliance of the present invention is shown and the schematic diagram of inner ring fit structure.
Fig. 4 is the structural representation of the first adapter plate of lifting appliance of the present invention.
Description of reference numerals
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, but not as a limitation of the invention.
As depicted in figs. 1 and 2, the invention discloses a kind of lifting appliance, its outside being arranged at the frame 4 of paver is for lifting by crane spiral extension section 5 and the screed extension 6 of paver.
Continue composition graphs 1 and Fig. 2, described lifting appliance comprises: the first telescoping mechanism 1, second telescoping mechanism 2 and the 3rd telescoping mechanism 3.First telescoping mechanism 1 is provided with the lifting attaching parts for being connected with the spiral extension section 5 that will lift by crane and screed extension 6 hook.Second telescoping mechanism 2 and the 3rd telescoping mechanism 3 are hinged with the first telescoping mechanism 1 respectively, for controlling and regulate the state of the first telescoping mechanism 1, thus realize the lifting of spiral extension section 5 and screed extension 6.
Concrete, as depicted in figs. 1 and 2, one end of the first telescoping mechanism 1 is articulated with in frame 4 and forms the first hinge A; One end of second telescoping mechanism 2 is articulated with in frame 4 and forms the second hinge B; 3rd telescoping mechanism 3 one end is articulated with in frame 4 and forms tri-joint mechanism C.First hinge A, the second hinge B and tri-joint mechanism C are not located along the same line, and the second hinge B is positioned at the top of the first hinge A.The other end of the second telescoping mechanism 2 is articulated with the first telescoping mechanism 1, and form the 4th hinge D, the other end of the 3rd telescoping mechanism 3 is articulated with the first telescoping mechanism 1 near its other end place, forms the 5th hinge E.The flexible rotation with in surface that the first telescoping mechanism 1 can be driven to form at the first telescoping mechanism 1 and the second telescoping mechanism 2 around the first hinge A of the second telescoping mechanism 2, this plane is the first plane.The flexible rotation with in surface that the first telescoping mechanism 1 can be made to form at the first telescoping mechanism 1 and the 3rd telescoping mechanism 3 of the 3rd telescoping mechanism 3, this plane is the second plane; Wherein said first plane and described second plane not coplanar.Namely, the second telescoping mechanism 2 and the 3rd telescoping mechanism 3 all can be used for driving the first telescoping mechanism 1 to rotate, and to adjust the position of the first telescoping mechanism 1, thus realize the lifting to spiral extension section 5 and screed extension 6.
Because the first telescoping mechanism 1 needs the rotation making wide-angle around the first hinge A, and be not only rotate on one face, therefore one end of the first telescoping mechanism 1 and the articulated structure of frame 4 should be able to ensure the rotation of the wide-angle of the first telescoping mechanism 1, as the connection structure of universal-joint (Hooke's coupling) or spherical plain bearing rod end can be adopted, in the present embodiment, after be described in detail for the structure of spherical plain bearing rod end to the first hinge A place.As long as the anglec of rotation of other each hinges except the first hinge A can rotate in the face needing rotation, and does not have the requirement at the first hinge A place strict.But each hinge place all have employed identical structure in the present embodiment, namely all adopt spherical plain bearing rod end be connected with bearing realize hinged.
Continue composition graphs 1 and Fig. 2, in the present embodiment, the first telescoping mechanism 1, second telescoping mechanism 2 and the 3rd telescoping mechanism 3 all adopt hydraulic ram, and namely the first telescoping mechanism 1 is the first hydraulic ram, second telescoping mechanism 2 is the second hydraulic ram, and the 3rd telescoping mechanism 3 is the 3rd hydraulic ram.First hinge A, the second hinge B are respectively arranged with the identical bearing of structure with in the frame 4 at tri-joint mechanism C place, are namely respectively the first bearing 7, second bearing 8 and three abutments 9.The two ends of one end of described first hydraulic ram, the two ends of described second hydraulic ram and described 3rd hydraulic ram are all connected with in structure identical spherical plain bearing rod end 10(figure and are not all indicated by all spherical plain bearing rod ends 10, and have only schematically marked out two).The spherical plain bearing rod end 10 of one end of described first hydraulic ram and the first bearing 7 hinged.The spherical plain bearing rod end 10 of described second hydraulic ram one end and the second bearing 8 hinged.Spherical plain bearing rod end 10 and the three abutments 9 of one end of described 3rd hydraulic ram are hinged.Continue composition graphs 1 and Fig. 2, the other end of described first hydraulic ram and be provided with the 4th bearing 11 and the 5th bearing the 12, four bearing 11 is identical with the structure of the first bearing 7 with the structure of the 5th bearing 12 on the cylinder body of the other end.Spherical plain bearing rod end 10 and the 4th bearing 11 of the described second hydraulic ram other end are hinged.Spherical plain bearing rod end 10 and the 5th bearing 12 of the described 3rd hydraulic ram other end are hinged.
The structure at the first hinge A place is described below in detail for the concrete connection structure of the spherical plain bearing rod end 10 of one end of described first hydraulic ram and the first bearing 7.
As depicted in figs. 1 and 2, the first bearing 7 comprises two the lug (not shown)s be oppositely arranged, and two described lugs offers corresponding circular hole (in fact, the structure of the first bearing 7 is the general a kind of structure in this area).Composition graphs 3 again, spherical plain bearing rod end 10 comprises with the externally threaded body of rod 13 and the oscillating bearing being connected to the body of rod 13 one end, the inner ring 15 that described oscillating bearing comprises outer ring 14 and is arranged in outer ring 14, the outer wall of inner ring 15 and the inwall of outer ring 14 form mating spherical surfaces, and it is gauge member that the middle part of inner ring forms the spherical plain bearing rod end 10 adopted in pin-and-hole 16(the present embodiment).The oscillating bearing of spherical plain bearing rod end 10 is arranged between two described lugs, then utilize bearing pin (not shown) by spherical plain bearing rod end 10 and the first bearing 7 hinged, namely bearing pin is successively through the circular hole of lug described in the circular hole of lug described in one of them, pin-and-hole 16 and another one, by spherical plain bearing rod end 10 and the first bearing 7 hinged.The piston rod of described first hydraulic ram offers tapped bore (not shown), and the body of rod 13 is threaded by tapped bore with described piston rod.
Second hinge B, tri-joint mechanism C, the 4th hinge D are identical with the articulated structure at the first hinge A place with the structure at the 5th hinge E place, be all utilize spherical plain bearing rod end and bearing coordinate the wide-angle realized hinged, do not repeat them here.It should be noted that, the cylinder body of described second hydraulic ram and the 3rd hydraulic ram and piston rod all offer the body of rod connecting thread hole for the spherical plain bearing rod end corresponding with it.
Continue composition graphs 1, the lifting appliance of the present embodiment also comprises the first adapter plate 18, first bearing 7 and the second bearing 8 are all fixed on the first adapter plate 18, and the first adapter plate 18 is installed in frame 4, thus achieve the connection of the first bearing 7 and the second bearing 8 and frame 4.Conveniently adjust the first installation site of adapter plate 18 in frame 4, thus realize the adjustment of the first bearing 7 and the second position of bearing 8 in frame 4.As shown in Figure 4, the first adapter plate 18 offer the first waist shaped hole 19(or be called U-shaped hole), the connection of the first adapter plate 18 and frame 4 is realized by wearing screw or bolt in the first waist shaped hole 19.The first waist shaped hole 19 on the first adapter plate 18 in the present embodiment is two.When the first adapter plate 18 install with frame 4 on time, two the first waist shaped holes 19 arrange along the short transverse of frame 4, and the length direction of the first waist shaped hole 19 is parallel to the short transverse of frame 4.By adjusting the position of screw in the first waist shaped hole 19 or bolt, just the first position of adapter plate 18 in frame 4 can be adjusted, because the first bearing 7 and the second bearing 8 are fixed on the first adapter plate 18, therefore the first bearing 7 and the second bearing 8 position obtain the adjustment of upper-lower position along with the adjustment of the first adapter plate 18.As shown in Figure 1, the first bearing 7 is positioned at the below of the second bearing 8.
Continue composition graphs 2, the lifting appliance of the present embodiment also comprises the second adapter plate 20, and three abutments 9 is fixed on the second adapter plate 20.Second adapter plate 20 offers the second waist shaped hole (because the shape of the second waist shaped hole is identical with the shape of the first waist shaped hole 19, therefore not shown).Second adapter plate 20 is by wearing screw in it or bolt position is adjustably installed in frame 4.When the second adapter plate 20 is installed in frame 4, the length direction of described second waist shaped hole is parallel to the mounting plane of frame 4.Second adapter plate 20 can adjust front and back in frame 4, thus the front and back position of adjustment three abutments 9 in frame 4.
Continue composition graphs 1 and Fig. 2, in the present embodiment, second telescoping mechanism 2 rotates on vertical plane for pulling the first telescoping mechanism 1, therefore the first bearing 7 and the second bearing 8 can be called longitudinal bearing, and the axis being parallel of the circular hole of the lug of the first bearing 7 is in the mounting plane of frame 4. the setting direction of the second bearing 8 is identical with the setting direction of the first bearing 7.And the 3rd telescoping mechanism 3 is for pulling the rotation with in surface of the first telescoping mechanism 1 between vertical plane and horizontal surface, therefore, three abutments 9 can be called transverse support, and the axes normal of the circular hole of the lug of three abutments 9 is in the mounting plane of frame 4.Certainly, the 3rd telescoping mechanism 3 also can be positioned at same level (i.e. the mounting plane of frame 4) with the first telescoping mechanism 1, thus makes the 3rd telescoping mechanism 3 pull the first telescoping mechanism 1 at horizontal rotation in surface.
As shown in Figure 1, the connecting panel 22 that the described lifting attaching parts in the present embodiment comprises suspender belt 21 and is arranged on the first telescoping mechanism 1, connecting panel 22 offers multiple connecting bore 23; In lifting process, one end of suspender belt 21 is connected with connecting bore 23, when needs lift by crane, illustrate only in Fig. 1 of the spiral extension section 5 that the other end and needs lift by crane or screed extension 6(the present embodiment and lift by crane spiral extension section 5, and screed extension 6 is not shown, and in fig. 2, then illustrate spiral extension section 5 and screed extension 6 with the form of square frame) be connected.
As shown in Figure 1, when the first telescoping mechanism 1 adopts the first hydraulic ram, connecting panel 22 is fixed on the cylinder body of described first hydraulic ram, and connecting bore 23 is laid in a row along described cylinder body length direction on connecting panel 22.To facilitate the connection with spiral extension section 5 or screed extension 6.
Continue composition graphs 1 and Fig. 2, invention also provides a kind of paver, it comprises frame 4, spiral distributor 24, screed, spiral extension section and screed extension, also comprises above-mentioned lifting appliance, and described lifting appliance is two and distributes to be arranged at the both sides of frame 4.
Below, composition graphs 1 and the working process of Fig. 2 to lifting appliance of the present invention are described:
In non-lifting process, by the dismounting hinge pin at tri-joint mechanism D and the 4th hinge E place, make the first telescoping mechanism 1, second telescoping mechanism 2 and the 3rd telescoping mechanism 3 be in free state, and do not take locus, paver both sides; When needs lift by crane, first by the spherical plain bearing rod end 10 of the other end of the second telescoping mechanism 2 and the 4th bearing 11 hinged, spherical plain bearing rod end 10 and the 5th bearing 12 of the other end of the 3rd telescoping mechanism 3 are hinged;
1, spiral extension section is lifted by crane:
(1) the first telescoping mechanism 1(first hydraulic ram is regulated) (now the first telescoping mechanism 1 is in the state lower than horizontality to make suspender belt 21 be positioned at the top of the striker plate of spiral extension section, i.e. inclined hang), now the second telescoping mechanism 2 and the 3rd telescoping mechanism 3 also can extend with the pulling force effect of the first telescoping mechanism 1, if the pulling force of the first telescoping mechanism 1 is not enough to make the second telescoping mechanism 2 and the 3rd telescoping mechanism 3 extend, the stroke of adjustable second telescoping mechanism 2 and the 3rd telescoping mechanism 3, makes it extend with the elongation of the first telescoping mechanism 1;
(2) suspender belt 21 is connected the suspension hook place of the striker plate of spiral extension section 5, regulate the second telescoping mechanism 2(second telescoping mechanism retraction), make the first telescoping mechanism 1 upward movement and being the level of state under the drive of the second telescoping mechanism 2, now spiral extension section 5 rises due to the pulling force of the first telescoping mechanism 1, can be connected when spiral extension section 5 is pulled to suitable position with the corresponding component of spiral distributor;
(3) if the striker plate of spiral extension section 5 is just in time positioned at the below of the first telescoping mechanism 1, now the 3rd telescoping mechanism 3 only need swing certain angle and slightly flexible with the rising of the first telescoping mechanism 1 and the second telescoping mechanism 2; If the striker plate of spiral extension section 5 is not positioned at the below of the first telescoping mechanism 1, now need could lift by crane when making the first telescoping mechanism 1 turn to the top of the striker plate of spiral extension section 5 by regulating the stroke of the 3rd telescoping mechanism 3;
(4) striker plate of the spiral extension section 5 at diverse location place is lifted by crane, only need the flexible stroke of change first telescoping mechanism 1 and the pendulum angle in perpendicular, and when the first telescoping mechanism 1 is not positioned at the top of spiral extension section 5, the rotation with in surface then needing the stroke by changing the 3rd telescoping mechanism 3 to drive the first telescoping mechanism 1 to form at the first telescoping mechanism 1 and the 3rd telescoping mechanism 3, makes the first telescoping mechanism 1 depart from the certain angle of perpendicular.
2, screed extension 6 is lifted by crane:
Because screed extension 6 is relative to the rear of spiral extension section closer to frame, therefore, first elongation the 3rd telescoping mechanism 3 is needed to make the first telescoping mechanism 1 in the horizontal surface shown in Fig. 2, swing certain angle to the rear of frame and be positioned at above screed extension 6, the stroke of the first telescoping mechanism 1 is regulated to be positioned at the suspension hook place of screed extension 6 by suspender belt 21 again, after connecting suspender belt 21, the second telescoping mechanism 2 and the first telescoping mechanism 1 is regulated to lift by crane screed extension 6, now the 3rd telescoping mechanism 3 slightly swings certain angle in the vertical plane shown in Fig. 2, be lifted to behind the position that can splice until screed extension 6.
Known by description above, lifting appliance of the present invention, by the adjustment of the first telescoping mechanism 1 its travel, and second telescoping mechanism 2 and the 3rd telescoping mechanism 3 to the effect of the first telescoping mechanism 1, upper-lower position and the front and back position (corresponding frame 4) of the first telescoping mechanism 1 can be adjusted, thus the suspender belt 21 be connected on the first telescoping mechanism 1 can be connected with the spiral extension section 5 needing to lift by crane or screed extension 6, then regulate the second telescoping mechanism 2 and/or the first telescoping mechanism 1 stroke, complete lifting.Therefore, by the cooperation between the first telescoping mechanism 1, second telescoping mechanism 2 and the 3rd telescoping mechanism 3, can lift by crane the spiral extension section 5 and screed extension 6 that are in diverse location in the full width paving width of paver.
In addition, the first telescoping mechanism 1, second telescoping mechanism 2 and the locus residing for the 3rd telescoping mechanism 3 can according to field demand flexible.
Above embodiment is only exemplary embodiment of the present invention, and be not used in restriction the present invention, protection scope of the present invention is defined by the claims.Those skilled in the art can in essence of the present invention and protection domain, and make various amendment or equivalent replacement to the present invention, this amendment or equivalent replacement also should be considered as dropping in protection scope of the present invention.
Claims (10)
1. lifting appliance, for lifting by crane spiral extension section and the screed extension of paver outside its frame being arranged at paver, it is characterized in that, described lifting appliance comprises:
First telescoping mechanism, the described frame that its one end is articulated with paver forms the first hinge, described first telescoping mechanism is provided with lifting attaching parts;
Second telescoping mechanism, the described frame that its one end is articulated with paver forms the second hinge, and the other end that the other end is articulated with described first telescoping mechanism stretches for making described first telescoping mechanism rotate with what make described second telescoping mechanism;
3rd telescoping mechanism, the described frame that its one end is articulated with paver forms tri-joint mechanism, the other end be articulated with described first telescoping mechanism near its other end sentence make described 3rd telescoping mechanism stretch for driving described first telescoping mechanism to rotate; Wherein,
Described first hinge, the second hinge and tri-joint mechanism are not located along the same line, and described second hinge is positioned at the top of described first hinge.
2. lifting appliance according to claim 1, is characterized in that, described first telescoping mechanism is the first hydraulic ram, and described second telescoping mechanism is the second hydraulic ram, and described 3rd telescoping mechanism is the 3rd hydraulic ram; One end of described first hydraulic ram by a spherical plain bearing rod end and described frame hinged; One end of described second hydraulic ram is hinged by a spherical plain bearing rod end and described frame, and the other end that the other end passes through a spherical plain bearing rod end and described first hydraulic ram is hinged; One end of described 3rd hydraulic ram is hinged by a spherical plain bearing rod end and described frame, the other end pass through a spherical plain bearing rod end and described first hydraulic ram hinged.
3. lifting appliance according to claim 2, is characterized in that, also comprises the first adapter plate, and described first adapter plate is installed in described frame, described first adapter plate is provided with the first identical bearing of structure and the second bearing; Described first bearing comprises two lugs be oppositely arranged, and two described lugs offer corresponding circular hole, and the axis being parallel of described circular hole is in the mounting plane of described frame; Described spherical plain bearing rod end comprises with the externally threaded body of rod and the oscillating bearing being connected to described body of rod one end, described oscillating bearing comprises outer ring and forms the inner ring of mating spherical surfaces with being arranged in described outer ring with the inwall of outer ring, and the middle part of described inner ring is formed with pin-and-hole; The oscillating bearing of described spherical plain bearing rod end is arranged between two described lugs, and described first bearing and described spherical plain bearing rod end are by realizing hinged through the bearing pin of the circular hole of lug described in the circular hole of lug, the pin-and-hole of inner ring and another one described in one of them successively; Described second bearing is used for realizing hinged with the spherical plain bearing rod end of one end of the second hydraulic ram.
4. lifting appliance according to claim 3, it is characterized in that, the other end of described first hydraulic ram is provided with four bearing identical with described first seat structure, and described spherical plain bearing rod end and described 4th bearing of the other end of described second hydraulic ram are hinged; Described first hydraulic ram is also provided with five bearing identical with described first seat structure, described spherical plain bearing rod end and described 5th bearing of the other end of described 3rd hydraulic ram are hinged.
5. lifting appliance according to claim 3, it is characterized in that, the end that described first hydraulic ram, the second hydraulic ram and the 3rd hydraulic ram arrange described spherical plain bearing rod end offers the tapped bore coordinated with the outside thread on the body of rod of described spherical plain bearing rod end respectively.
6. lifting appliance according to claim 3, it is characterized in that, described first adapter plate offers the first waist shaped hole, the length direction of described first waist shaped hole is parallel to the short transverse of described frame, and described first adapter plate is by being located in screw in described first waist shaped hole or bolt is connected in described frame.
7. lifting appliance according to claim 4, it is characterized in that, also comprise the second adapter plate, described second adapter plate is installed in described frame, described second adapter plate is equiped with three abutments, described three abutments also comprises the lug identical with described first seat structure, the axes normal of the circular hole of the lug of described three abutments is in the mounting plane of described frame, described second adapter plate offers the second waist shaped hole, and the length direction of described second waist shaped hole is parallel to the mounting plane of described frame.
8. lifting appliance according to claim 2, is characterized in that, described lifting attaching parts comprises suspender belt and is arranged on the connecting panel on described first hydraulic ram, and described connecting panel offers multiple connecting bore; In lifting process, one end of described suspender belt is connected with described connecting bore, and the other end is connected with described spiral extension section or screed extension.
9. lifting appliance according to claim 8, is characterized in that, described connecting panel is fixed on the cylinder body of described first hydraulic ram, and described connecting bore is laid in a row along described cylinder body length direction on described connecting panel.
10. paver, comprise frame, spiral distributor, screed, spiral extension section and screed extension, it is characterized in that, also comprise the lifting appliance according to any one of claim 1 to 9, described lifting appliance is two and distributes to be arranged at the both sides of described frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410012128.XA CN103708389B (en) | 2014-01-10 | 2014-01-10 | Lifting appliance and there is the paver of this lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410012128.XA CN103708389B (en) | 2014-01-10 | 2014-01-10 | Lifting appliance and there is the paver of this lifting appliance |
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| CN103708389B true CN103708389B (en) | 2015-10-28 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104674632B (en) * | 2015-03-20 | 2017-01-11 | 戴纳派克（中国）压实摊铺设备有限公司 | Screw material distributor with heating device and paver of screw material distributor |
| EP3575491B1 (en) | 2018-06-01 | 2021-03-24 | Joseph Vögele AG | Road finishing machine with channel sheet extension |
| US11208769B2 (en) * | 2020-03-16 | 2021-12-28 | Caterpillar Paving Products Inc. | Screed extension attachment system |
| CN113026572B (en) * | 2021-04-01 | 2022-09-02 | 交通运输部公路科学研究所 | Suspension type concrete bridge deck pavement transverse paver |
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| US7316520B2 (en) * | 2003-04-21 | 2008-01-08 | Semmaterials, L.P. | Low surface area shearing device |
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| CN2274209Y (en) * | 1996-03-26 | 1998-02-11 | 崔向平 | Automatic sand-returning dual road-grader |
| US6283225B1 (en) * | 2000-01-04 | 2001-09-04 | Richard P. Hermonson | Grader attachment for a skid steer vehicle |
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| CN103437264A (en) * | 2013-08-30 | 2013-12-11 | 徐州凯莫尔重工科技有限公司 | Adjustable baffle plate hanging bracket for spreading machine |
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| CN103708389A (en) | 2014-04-09 |
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