阅读说明：本技术 链轮箱及摊铺机 (Sprocket case and paver ) 是由 夏锦阳 梁颂斌 张勇 于 2019-11-28 设计创作，主要内容包括：本发明涉及摊铺设备技术领域,具体提供了一种链轮箱及摊铺机,链轮箱包括：箱体；支撑架,支撑架位于箱体内,支撑架与箱体连接,支撑架包括支撑套；第一从动链轮,部分伸入支撑套的内部；第二从动链轮,与第一从动链轮相对设置,且第二从动链轮部分伸入支撑套的内部；其中,支撑套支撑第一从动链轮和所述第二从动链轮,且第一从动链轮和所述第二从动链轮与支撑套转动连接。本发明通过在箱体内设置支撑套以同时支撑两个从动链轮,既使得每侧的从动链轮相互独立,且两个驱动链条可以按最小的距离接近,从而减少了箱体的宽度尺寸,改善了箱体处的离析现象,提高了摊铺质量。(The invention relates to the technical field of paving equipment, and particularly provides a chain wheel box and a paver, wherein the chain wheel box comprises: a box body; the supporting frame is positioned in the box body and connected with the box body, and the supporting frame comprises a supporting sleeve; the first driven chain wheel partially extends into the supporting sleeve; the second driven chain wheel is arranged opposite to the first driven chain wheel, and the part of the second driven chain wheel extends into the supporting sleeve; wherein, support the cover and support first driven sprocket with the second driven sprocket, and first driven sprocket with the second driven sprocket with support cover and rotate and be connected. According to the invention, the support sleeve is arranged in the box body to simultaneously support the two driven chain wheels, so that the driven chain wheels on each side are mutually independent, and the two driving chains can approach each other according to the minimum distance, thereby reducing the width size of the box body, improving the segregation phenomenon at the box body and improving the paving quality.)

1. A sprocket cassette, comprising:

a box body;

the supporting frame is positioned in the box body and connected with the box body, and the supporting frame comprises a supporting sleeve;

the first driven chain wheel partially extends into the supporting sleeve;

the second driven chain wheel is arranged opposite to the first driven chain wheel, and the part of the second driven chain wheel extends into the supporting sleeve;

wherein the support sleeve supports the first driven sprocket and the second driven sprocket, and the first driven sprocket and the second driven sprocket are rotatably connected with the support sleeve.

2. The sprocket cassette of claim 1, wherein the support sleeve comprises:

an annular body;

the first bearing matching hole is arranged on the annular body;

the second bearing matching hole is arranged on the annular body and is opposite to the first bearing matching hole;

wherein the first driven sprocket extends to an interior of the first bearing engagement hole and the second driven sprocket extends to an interior of the second bearing engagement hole.

3. The sprocket cassette of claim 2, further comprising:

a first inner bearing disposed between the first driven sprocket and the annular body and having a first bearing inner race and a first bearing outer race;

a second inner bearing disposed between the second driven sprocket and the annular body and having a second bearing inner race and a second bearing outer race;

the first bearing inner ring is connected with the first driven chain wheel, and the first bearing outer ring is connected with the annular body; the second bearing inner ring is connected with the second driven chain wheel, and the second bearing outer ring is connected with the annular body.

4. The sprocket cassette of claim 3, wherein the support sleeve further comprises:

and the separation ring protrudes out of the inner wall of the annular body and is arranged between the first bearing matching hole and the second bearing matching hole so as to separate the first bearing outer ring and the second bearing outer ring.

5. The sprocket cassette of claim 2, wherein the cassette body comprises:

two side walls arranged oppositely;

the two mounting holes are respectively arranged on the two side walls;

the mounting hole on one side and the first bearing matching hole are coaxially arranged, the mounting hole on the other side and the second bearing matching hole are coaxially arranged, and one part of the first driven chain wheel or one part of the second driven chain wheel is supported in the mounting hole.

6. The sprocket cassette of claim 5, further comprising:

the first bearing seat is arranged in the mounting hole;

the first outer bearing is arranged in the first bearing seat, is provided with a third bearing inner ring and a third bearing outer ring, and is connected with the first driven chain wheel;

the second bearing block is arranged in the mounting hole;

and the second outer bearing is arranged in the second bearing seat, is provided with a fourth bearing inner ring and a fourth bearing outer ring, and is connected with the second driven sprocket.

7. The sprocket cassette according to any one of claims 1 to 6, wherein the support bracket comprises:

two ends of the connecting pipe are respectively connected with the box body;

and one end of the hanging rod is connected with the middle part of the connecting pipe, and the other end of the hanging rod is connected with the supporting sleeve.

8. The sprocket cassette according to any one of claims 1 to 6, further comprising: the power transmission device comprises a first power input device, a second power input device, a first input shaft connected with the first power input device and a second input shaft connected with the second power input device, wherein the first power input device is arranged at one outer side of the box body, the second power input device is arranged at the other outer side of the box body, the first input shaft and the second input shaft respectively extend into the box body, a first driving chain wheel and a second driving chain wheel are arranged in the box body, the first driving chain wheel is sleeved on the first input shaft, the second driving chain wheel is sleeved on the second input shaft, a first driven shaft and a second driven shaft are further arranged in the box body, the first driven shaft and the second driven shaft are arranged at intervals, the first driven chain wheel is sleeved on the first driven shaft, the second driven chain wheel is sleeved on the second driven shaft, the first driving chain wheel is connected with the first driven chain wheel through a first chain, and the second driving chain wheel is connected with the second driven chain wheel through a second chain.

9. The sprocket cassette of claim 8, further comprising:

the end plate is arranged on the end face of the first driven shaft or the second driven shaft in the box body, and the edge of the end plate is connected with the first driven chain wheel or the second driven chain wheel so as to limit the axial displacement of the first driven shaft or the second driven shaft;

the positioning bolt penetrates through the first driven shaft or the second driven shaft to be connected with the shaft end plate;

the utility model discloses a take-up and take-up device, including box, lifting connecting plate, tensioning bolt, lifting connecting plate, driven sprocket, lifting connecting plate, the laminating of the outside of box has the lifting connecting plate, be equipped with the through-hole on the face of lifting connecting plate for wear to establish first input shaft or the second input shaft, the lifting connecting plate is being close to driven sprocket one end sets up the screw hole, be equipped with the tensioning plate on the lateral wall between lifting connecting plate and the driven sprocket, be equipped with the through-hole on the tensioning plate, make with wearing to establish tensioning bolt the tensioning bolt stretches into.

10. A paving machine, comprising:

a sprocket box according to any one of claims 1 to 9;

the spiral material distributing devices are arranged on two sides of the chain wheel box;

the first driven shaft and the second driven shaft of the chain wheel box are respectively connected with the spiral material distributing device on the corresponding side so as to drive the spiral material distributing device to act.

Technical Field

The invention relates to the technical field of paving equipment, in particular to a chain wheel box and a paving machine.

Background

Paver is used for realizing the operation of paving, and at present, some paver are through setting up sprocket case to drive. The sprocket case includes box, two initiative rotating assembly and two driven rotating assembly, and wherein, driven rotating assembly passes through the chain and is connected with initiative rotating assembly, and two driven rotating assembly install relatively on two relative lateral walls of box.

In the related art, the sprocket box assembly 100 'of the spreading machine adopts a structure that the middle support shaft 120' is compatible with the driven sprocket shafts on both sides as shown in fig. 1. Middle back shaft 120 'is located between two driven sprocket, has brought the problem of the width that increases the box, specifically, is provided with the back shaft with the coaxial setting of two driven runner subassemblies between two driven runner subassemblies, is equipped with the notch on two driven runner subassemblies, and the back shaft both ends are inserted the notch and are connected with two driven runner subassemblies through rolling bearing and rotation, and middle back shaft 120' rethread backup pad and box fixed connection, above-mentioned structure mainly has following shortcoming: 1) the middle support shaft 120' is compatible with the support of the driven rotating assemblies at the two sides, so that the coaxiality of the chain wheels at the two sides fixed on the driven rotating assemblies is mutually influenced, the installation precision of the actual central shaft of each chain wheel is difficult to ensure in processing, namely, the eccentric phenomenon is generated, and finally the tension degree in one circle of the operation of the chain is influenced to be inconsistent, so that the chain has a large swinging phenomenon; 2) because the existence of back shaft for the interval between two chains is great, has increaseed the width size of box, and the segregation phenomenon of box department pitch material has been aggravated to the wide box, influences the paving quality. In addition, some chain wheel box assemblies 100 of the paver adopt the hanging seats 120 'as shown in fig. 2, so that the box body, the hanging seats 120' and the driven chain wheel shaft are integrated and then fixed on the lifting connecting plate or the rack, and because the hanging seat body and the box body are integrated, a middle driving shaft and the hanging seats cannot be detached, and the existence of the middle hanging seat body can generate segregation and material blocking phenomena, thereby influencing the paving quality.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a chain wheel box and a paver to improve the technical problems in the background art.

To this end, a first object of the present invention is to provide a sprocket box.

A second object of the invention is to provide a paver.

To achieve the first object of the present invention, an embodiment of the present invention provides a sprocket box including: a box body; the supporting frame is positioned in the box body and connected with the box body, and the supporting frame comprises a supporting sleeve; the first driven chain wheel part extends into the supporting sleeve; the second driven chain wheel is arranged opposite to the first driven chain wheel, and the second driven chain wheel partially extends into the supporting sleeve; wherein the support sleeve supports the first driven sprocket and the second driven sprocket, and the first driven sprocket and the second driven sprocket are rotatably connected with the support sleeve.

First driven sprocket and second driven sprocket stretch into the inside of same support cover after stretching into the box respectively, have reduced the distance between two chain teeth of two driven sprockets to can reduce the width of box, can improve the segregation phenomenon of box department, finally improve the quality of paving.

In addition, the technical scheme provided by the invention can also have the following additional technical characteristics:

among the above-mentioned technical scheme, support the cover and include: an annular body; the first bearing matching hole is arranged on the annular body; the second bearing matching hole is arranged on the annular body and is opposite to the first bearing matching hole; wherein the first driven sprocket extends to an interior of the first bearing engagement hole and the second driven sprocket extends to an interior of the second bearing engagement hole.

The first driven chain wheel and the second driven chain wheel respectively extend into the supporting sleeve through the matching surface of the first bearing hole and the matching surface of the second bearing hole so as to realize the common support on one supporting sleeve.

In any one of the above technical solutions, the sprocket box further includes: a first inner bearing disposed between the first driven sprocket and the annular body and having a first bearing inner race and a first bearing outer race; a second inner bearing disposed between the second driven sprocket and the annular body and having a second bearing inner race and a second bearing outer race; the first bearing inner ring is connected with the first driven chain wheel, and the first bearing outer ring is connected with the annular body; the second bearing inner ring is connected with the second driven chain wheel, and the second bearing outer ring is connected with the annular body.

First driven sprocket and second driven sprocket all stretch into through an inner bearing and support the cover and be connected with supporting the cover, especially when the coaxial setting of first bearing mating holes and second bearing mating holes, the inner bearing is the standard and buys the piece outward, consequently can guarantee the coaxial setting of first driven sprocket or second driven sprocket, and stable in structure when making first driven sprocket or second driven sprocket independent rotation has avoided the swing of chain.

In any one of the above technical solutions, the support sleeve further includes: and the separation ring protrudes out of the inner wall of the annular body and is arranged between the first bearing matching hole and the second bearing matching hole so as to separate the first bearing outer ring from the second bearing outer ring.

The arrangement of the separating ring can separate the first bearing outer ring from the second bearing outer ring, so that the first driven chain wheel and the second driven chain wheel are separated, the first driven chain wheel and the second driven chain wheel are guaranteed not to collide, and the first driven chain wheel and the second driven chain wheel are enabled to keep independence.

In any one of the above technical solutions, the case includes: two side walls arranged oppositely; the two mounting holes are respectively arranged on the two side walls; the mounting hole on one side and the first bearing matching hole are coaxially arranged, the fire speed mounting hole on the other side and the second bearing matching hole are coaxially arranged, and part of the first driven chain wheel or part of the second driven chain wheel is supported in the mounting hole.

The two mounting holes can ensure the coaxiality of machining, and can also ensure the coaxiality of machining with the first bearing matching hole and the second bearing matching hole, so that the coaxial arrangement of the two driven chain wheels can be realized.

In the above-mentioned technical scheme, sprocket case still includes: the first bearing seat is arranged in the mounting hole; the first outer bearing is arranged in the first bearing seat, is provided with a third bearing inner ring and a third bearing outer ring, and is connected with the first driven chain wheel; the second bearing block is arranged in the mounting hole; and the second outer bearing is arranged in the second bearing seat, is provided with a fourth bearing inner ring and a fourth bearing outer ring, and is connected with the second driven sprocket.

First bearing frame and second bearing frame support first driven sprocket or second driven sprocket's rotation jointly, on the basis of guaranteeing first driven sprocket or second driven sprocket axiality, can improve driven sprocket pivoted stability and reliability.

In any one of the above technical solutions, the support frame includes: two ends of the connecting pipe are respectively connected with the box body; and one end of the suspender is connected with the connecting pipe, and the other end of the suspender extends out of the outer surface of the connecting pipe and is connected with the supporting sleeve.

The jib is located between first driven sprocket's the chain tooth and the chain tooth of second driven sprocket, makes the overall dimension of jib satisfy this requirement as far as possible, can guarantee the width minimize of box, can guarantee the running width of chain again.

In the above-mentioned technical scheme, sprocket case still includes: the power transmission device comprises a first power input device, a second power input device, a first input shaft connected with the first power input device and a second input shaft connected with the second power input device, wherein the first power input device is arranged at one outer side of the box body, the second power input device is arranged at the other outer side of the box body, the first input shaft and the second input shaft respectively extend into the box body, a first driving chain wheel and a second driving chain wheel are arranged in the box body, the first driving chain wheel is sleeved on the first input shaft, the second driving chain wheel is sleeved on the second input shaft, a first driven shaft and a second driven shaft are further arranged in the box body, the first driven chain wheel is sleeved on the first driven shaft, the second driven chain wheel is sleeved on the second driven shaft, and the first driven shaft and the second driven shaft are arranged at intervals, the first driving chain wheel is connected with the first driven chain wheel through a first chain, and the second driving chain wheel is connected with the second driven chain wheel through a second chain.

Simple structure and high transmission efficiency.

In any of the above technical solutions, the sprocket box further includes a shaft end plate disposed on an end surface of the first driven shaft or the second driven shaft in the box body, and an edge of the shaft end plate is connected to the first driven sprocket or the second driven sprocket; and the positioning bolt penetrates through the first driven shaft or the second driven shaft to be connected with the shaft end plate. The utility model discloses a take-up and take-up device, including box, lifting connection plate, tensioning bolt, lifting connection plate, driven sprocket, lifting connection plate, the outside laminating of box has the lifting connection plate, be equipped with the through-hole on the face of lifting connection plate for wear to establish first input shaft or with the second input shaft the lifting connection plate is being close to driven sprocket one end sets up the screw hole, be equipped with the tensioning plate on the lateral wall between lifting connection plate and the driven sprocket, be equipped with the through-hole on the tensioning plate, make in order to wear to establish the tensioning bolt the screw hole that.

The tensioning degree of the chain can be adjusted by adjusting the lifting connecting plate through the tensioning bolt.

To achieve the second object of the present invention, an embodiment of the present invention provides a paving machine including: a sprocket case; the spiral material distributing devices are arranged on two sides of the chain wheel box; the first driven shaft and the second driven shaft of the chain wheel box are respectively connected with the spiral material distributing device on the corresponding side so as to drive the spiral material distributing device to act. The paver provided by the embodiment of the invention comprises the sprocket box of any embodiment of the invention, so that the whole beneficial effects of the sprocket box of any embodiment of the invention are achieved, and the details are not repeated.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a cross-sectional structural schematic view of one of the related art sprocket boxes;

FIG. 2 is a cross-sectional view of another related art sprocket cassette;

FIG. 3 is a front cross-sectional structural schematic view of a sprocket cassette (without a drive assembly installed) according to one embodiment of the present invention;

FIG. 4 is a side view of the structure of FIG. 3;

FIG. 5 is a front cross-sectional structural schematic view of a sprocket cassette in accordance with one embodiment of the present invention;

FIG. 6 is a side view of the structure of FIG. 5;

FIG. 7 is a partially enlarged schematic view of FIG. 5;

fig. 8 is a schematic diagram of the components of a paving machine according to one embodiment of the invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:

100': sprocket housing assembly, 120': middle support shaft, 100 ": sprocket housing assembly, 120 ": a hanging seat.

The correspondence between reference numerals and part names in fig. 3 to 8 is:

10: paver, 12: sprocket case, 14: feed divider, 110: case, 112: side walls, 114: mounting hole, 116: case end plate, 118: lifting connecting plate, 120: tension plate, 122: tension bolt, 130: bearing seat, 132: first bearing housing, 134: second bearing housing, 140: input shaft, 142: first input shaft, 144: second input shaft, 210: drive sprocket, 212: first drive sprocket, 214: second drive sprocket, 310: driven sprocket, 312: first driven sprocket, 314: second driven sprocket, 410: chain, 412: first chain, 414: second chain, 510: power input device, 512: first power input device, 514: second power input device, 610: inner bearing, 612: first inner bearing, 614: second inner bearing, 710: outer bearing, 712: first outer bearing, 714: second outer bearing, 716: gland, 810: driven shaft, 812: first driven shaft, 814: second driven shaft, 816: shaft end plate, 818: positioning bolt, 820: oil seal, 910: support frame, 912: support tube, 914: boom, 916: a seal plate, 918: a support bar, 920: support cover, 922: first bearing fitting hole, 924: second and bearing-fitting holes, 926: spacer ring, 928: an annular body.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The technical solutions of some embodiments of the present invention are described below with reference to the accompanying drawings.