CN203344926U - Land leveler, rim assembly and brake shell - Google Patents
Land leveler, rim assembly and brake shell Download PDFInfo
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- CN203344926U CN203344926U CN 201320372013 CN201320372013U CN203344926U CN 203344926 U CN203344926 U CN 203344926U CN 201320372013 CN201320372013 CN 201320372013 CN 201320372013 U CN201320372013 U CN 201320372013U CN 203344926 U CN203344926 U CN 203344926U
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- arrester
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Abstract
The utility model discloses a brake shell which comprises a shell body. A plurality of shell body bolt holes are evenly distributed in the reference circle of the shell body, a shell body bearing hole is formed in the middle of the shell body, the shell body bearing hole and a hub shaft are arranged, and a preset shell body eccentric distance is reserved between the center of the reference circle of the shell body and the center of the shell body bearing hole. The utility model further discloses a rim assembly and a land leveler. The center distance between a half shaft and the hub shaft is adjustable, the service life of a chain is prolonged, the structure is ingenious, and manufacturing cost is low.
Description
Technical field
The utility model relates to engineering machinery field, particularly a kind of road grader and wheel limit assembly and arrester shell.
Background technology
Road grader is divided into two kinds of pull grader and motor graders by walking manner.Pull grader is early production, because manoevreability is poor, the operation effort, is eliminated.Motor grader is all the rubber-tyred road grader, due to maneuverability, capacity rating is high is widely used.Therefore the said road grader of ordinary meaning is all motor grader.The transmission adopted driving engine of flat-bed machine ground machine, many gear gearboxes, back axle, wheel subtract the drive path of assembly, tandem-driving bogie, wheel limit assembly, wheel.
At present, the power that the wheel of road grader bridge subtracts assembly output passes to four of the front and back wheel limit assembly be fixed on tandem-driving bogie by chain, and wheel limit assembly is arranged on tandem-driving bogie by arrester shell.Chain transmission therebetween adopts the width between centers fixed sturcture usually, that is to say shell body bolt hole reference circle on arrester shell and the bearing hole concentric of arrester shell, because of the width between centers Mismachining tolerance, causes wheel limit assembly that difficulty is installed.In addition, chain operation a period of time is elongated to be regulated afterwards without stretching device, is prone to shake, collision balance tank wall, and next is long tooth may occur jumping, affects traveling comfort and the driving efficiency of translation machine.Need to change the whole piece chain after the chain of road grader is elongated, and way is that four chains are changed together usually all around, chain is short service life, and existence is changed wastes greatly, high in cost of production is not enough.
The utility model content
In view of this, the utility model proposes a kind of road grader and wheel limit assembly and arrester shell, to solve the width between centers of regulating between semiaxis and hub spindle and to extend the problem such as chain service life.
On the one hand, the utility model provides a kind of arrester shell, comprise the shell body, be evenly distributed with a plurality of shell body bolts hole on shell body reference circle, the middle part of shell body is provided with the shell body bearing hole of installing with hub spindle, and default shell body eccentric throw is arranged between shell body reference circle center and shell body bearing hole center.
Further, be furnished with at least one boss on this external surface of shell, be provided with oil inlet and/or vent and/or porthole on boss.
Further, boss comprises four, and four boss are evenly distributed on this external surface of shell.
Further, shell body eccentric throw is 5mm to 8mm.
Further, shell body bolt hole comprises 16.
A kind of arrester shell that the utility model provides, adopt between shell body reference circle center and bearing hole center default shell body eccentric throw is arranged, can pass through the swing brake shell, regulate the eccentric throw of shell body shaft trepanning and shell body reference circle center left and right directions and above-below direction, effectively solve arrester shell and tandem-driving bogie difficult problem is installed.Simultaneously, in order to prevent the rotation of swing brake shell, cause oil inlet, vent, porthole location fix on the shell body of arrester shell to change, cause observation to be connected with oil inlet inconvenient, be provided with four boss on the shell body of arrester shell, solve this technical matters, can facilitate oil inlet to connect, can the convenient for maintaining personnel observe brake components wearing and tearing and the service condition in arrester shell simultaneously.This arrester shell is simple in structure, and structure is ingenious, and cost is low.
A kind of limit assembly of taking turns also is provided on the other hand, comprise hub spindle, driven sprocket, drg, clutch shaft bearing, driven sprocket is arranged on hub spindle, clutch shaft bearing is set on hub spindle, also comprise above-mentioned arrester shell, drg is installed in arrester shell, and shell body bearing hole coordinates with clutch shaft bearing.
Further, also comprise flange end cap and the second bearing, the flange end cap is loaded on hub spindle by the second bearing carrier ring, and the flange end cap is between arrester shell and driven sprocket, and drg is between flange end cap and arrester shell.
Further, be evenly distributed with a plurality of flange bolt holes on the flange reference circle of flange end cap, the middle part of flange end cap is provided with the flange bearing hole of installing with hub spindle, between flange reference circle center and center, flange bearing hole, default flange eccentric distance is arranged, flange eccentric is apart from equaling shell body eccentric throw.
A kind of limit assembly of taking turns that the utility model provides, adopt above-mentioned arrester shell, not only has outside the beneficial effect of above-mentioned drag housing.Also extend the service life of chain, improved the driving efficiency of chain.After chain operation a period of time is elongated, be prone to shake, collision balance tank wall, next is long tooth may occur jumping.Can pass through arrester shell and the flange end cap of revolving wheel limit assembly, the degree of tension of adjusting chain, thereby the service life of prolongation chain, the driving efficiency of raising chain.It is ingenious that this takes turns the limit assembly structure, and cost is low.Drg is between flange end cap and arrester shell, and the braking force that drg produces passes to tandem-driving bogie by flange end cap and arrester shell, and this structure braking is stablized, and braking is reliable.
A kind of road grader also is provided on the other hand, comprise that wheel subtracts assembly and tandem-driving bogie and chain, wheel subtracts assembly and is connected with tandem-driving bogie, wheel subtracts assembly and comprises drive sprocket and semiaxis, and drive sprocket is installed on semiaxis, and drive sprocket and chain are positioned at tandem-driving bogie, comprise above-mentioned wheel limit assembly, chain is arranged on drive sprocket and driven sprocket, is provided with the tandem-driving bogie bolt hole be complementary with shell body bolt hole on tandem-driving bogie, and arrester shell is bolted on tandem-driving bogie.
Further, bolt is through shell body bolt hole and flange bolt hole and tandem-driving bogie bolt hole, and arrester shell and flange end cap and tandem-driving bogie are fixed.
A kind of road grader that this practicality newly provides, adopt above-mentioned arrester shell and wheel limit assembly, not only has outside the beneficial effect of above-mentioned drag housing and wheel limit assembly.Bolt is through shell body bolt hole and flange bolt hole and tandem-driving bogie bolt hole, and arrester shell and flange end cap and tandem-driving bogie is firmly fixing.Drg is between flange end cap and arrester shell, and the braking force that drg produces passes to tandem-driving bogie by flange end cap and arrester shell, and this structure braking is stablized, and braking is reliable.Adopt eccentric structure, can also make up and manufacture and assembly error.
The accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is arrester shell front view of the present utility model;
The left view that Fig. 2 is Fig. 1;
Fig. 3 is the limit assembly structure schematic diagram of taking turns of the present utility model;
The front view that Fig. 4 is Fig. 3;
The right elevation that Fig. 5 is Fig. 3;
The flange end cap front view that Fig. 6 is Fig. 3;
The left view that Fig. 7 is Fig. 6;
Fig. 8 is driving axle for land leveller structural representation of the present utility model;
The principle schematic that Fig. 9 is tune width between centers of the present utility model.
The specific embodiment
It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Below in conjunction with Fig. 1 and Fig. 2, preferred embodiment of the present utility model is described in further detail, a kind of arrester shell of this preferred embodiment is example:
As depicted in figs. 1 and 2, a kind of arrester shell 41, be arranged on hub spindle 40, be evenly distributed with a plurality of shell body bolts hole 410 on shell body reference circle, the middle part of shell body is provided with the shell body bearing hole of installing with hub spindle 40, and default shell body eccentric throw δ 1 is arranged between shell body reference circle center B and shell body bearing hole center A1.Because default shell body eccentric throw δ 1 is arranged between shell body reference circle center B and shell body bearing hole center A1, the shell body when mounted, can pass through swing brake shell 41, shell body bearing hole center A1 shell body reference circle center B rotation relatively, shell body bearing hole center A1 and shell body reference circle center B location fix will change so.Although shell body bearing hole center A1 and 2 wire lengths of shell body reference circle center B can not change,, the relative shell body reference circle center B of shell body bearing hole center A1 will degree of changing in the distance of left and right directions and upper and lower vertical direction.For example, as the eccentric throw δ 1 of the upper and lower vertical direction of shell body is 8mm, arrester shell 41 90-degree rotations, the eccentric throw of left and right directions is 8mm, and is 0 mm in the eccentric throw of upper and lower vertical direction.If arrester shell 41 rotation 45 degree, the eccentric throw of left and right directions is 8mm * cos45 °, and is 8mm * sin45 ° in the eccentric throw of upper and lower vertical direction.So just realized the purpose of the eccentric throw of adjusting shaft trepanning and shell body reference circle center left and right directions and upper and lower vertical direction.
Shell body bolt hole 410 is 16, with shell body reference circle, center B is uniformly distributed, adjacent two shell body bolts hole 410 22.5 degree of being separated by, also can according to actual needs shell body bolt hole 410 be set as to 18 or 20 etc., bolt hole is more, the precision of regulating is higher, and the quantity of shell body bolt hole 410 designs according to actual conditions.Shell body eccentric throw δ 1 is made as 5mm to 8mm left and right.
In order to prevent 41 rotations of swing brake shell, cause oil inlet 4110, vent 4112, porthole 4111 location fixes on the shell body of arrester shell 41 to change, cause observation to be connected with oil inlet inconvenient, be provided with four boss 411 on the shell body of arrester shell 41, be provided with oil inlet 4110 and vent 4112 and porthole 4111 on each boss 411, also can only design according to actual needs wherein one or two mouthful.By this design, solved this technical matters, can facilitate oil inlet to connect, can the convenient for maintaining personnel observe drg 47 component wears and the service condition in arrester shell 41 simultaneously.This arrester shell 41 is simple in structure, and structure is ingenious, and cost is low.
Below in conjunction with Fig. 3 to Fig. 7, preferred embodiment of the present utility model is described in further detail, a kind of limit assembly of taking turns of this preferred embodiment is example:
As shown in Fig. 3 and Fig. 4 and Fig. 5, a kind of limit assembly 4 of taking turns, wheel limit assembly 4 is arranged on tandem-driving bogie 3, comprise the arrester shell 41 shown in Fig. 1 and Fig. 2 and hub spindle 40, driven sprocket 43, drg 47, clutch shaft bearing 45, driven sprocket 43 is arranged on hub spindle 40, and clutch shaft bearing 45 is set on hub spindle 40, and drg 47 is installed in arrester shell 41, arrester shell 41 is arranged on an end of driven sprocket 43, and the bearing hole of arrester shell 41 coordinates with clutch shaft bearing 45.The end of hub spindle 40 is provided with the tire bolt 49 for fixed tire.
For tight pulley limit assembly 4 firmly, the convenient drg 47 of installing, braking force and vibration that drg 47 is produced, pass to tandem-driving bogie 3 by flange end cap 42 and arrester shell 41, reduces wheel limit assembly 4 at the braking procedure noise and vibration.Wheel limit assembly 4 also comprises flange end cap 42 and the second bearing 44, the middle part of flange end cap 42 is provided with the flange bearing hole, the flange bearing hole coordinates with the second bearing 44, the second bearing 44 is set on hub spindle 40, flange end cap 42 is between arrester shell 41 and driven sprocket 43, and drg 47 is between flange end cap 42 and arrester shell 41.
As shown in Figure 6 and Figure 7, be evenly distributed with a plurality of flange bolt holes 420 on the flange reference circle of flange end cap 42, flange bolt hole 420 numbers equate with shell body bolt hole 410 numbers.Default flange eccentric is arranged apart from δ 2 between the flange bearing hole center A3 of flange reference circle center C and flange end cap 42, flange eccentric equals shell body eccentric throw δ 1 apart from δ 2.Braking force and vibration and noise when drg 47 produces, can be directly passed to tandem-driving bogie 3, reduces wheel limit assembly 4 at the braking procedure noise and vibration.This structure braking is stablized, and braking is reliable.Above-mentioned shell body bearing hole center A1 and flange bearing hole center A3 overlap with hub spindle 40 centre of gration A2.
Wheel limit assembly 4 also comprises sealing member 46 and cover plate 48, and cover plate 48, for fixing driven sprocket 43, prevents driven sprocket 43 end float misalignments, and sealing member 46 is installed between arrester shell 41 and hub spindle 40, plays sealing function.
Below in conjunction with Fig. 8, preferred embodiment of the present utility model is described in further detail, a kind of road grader of this preferred embodiment is example:
A kind of road grader comprises that main reduction gear 1, two wheels subtract described limit assembly 4, four tires, the chain 22 of taking turns of assembly 2, two tandem-driving bogies 3, four Fig. 3, main reduction gear 1 left and right sides is furnished with two wheels and subtracts assembly 2, two wheels subtract assembly 2 and are bolted with main reduction gear, two tandem-driving bogies 3 subtract assembly 2 with two wheels respectively and are bolted, and four wheel limit assemblies 4 are bolted with two tandem-driving bogies 3 respectively.Four tires are connected by tire bolt 49 with four wheel limit assemblies 4 respectively.Wheel subtracts assembly 2 and comprises semiaxis 20 and drive sprocket 21, and semiaxis 20 is connected with main reduction gear, and drive sprocket 21 is connected with semiaxis 20, and chain 22 is arranged on drive sprocket 21 and driven sprocket 43.Power is delivered to tire from main reduction gear 1, semiaxis 20, drive sprocket 21, chain 22, driven sprocket 43, hub spindle 40 successively.
If the chain 22 of road grader is elongated, chain 22 degree of tensions are inadequate, cause the driving efficiency of road grader chain 22 to descend, and can at first pull down the tie bolt between wheel limit assembly 4 and tandem-driving bogie 3, revolving wheel limit assembly 4.As shown in Figure 9, suppose, width between centers between semiaxis 20 center A0 and hub spindle 40 centre of gration A2 is being L1, shell body eccentric throw is δ 1, during initial designs, semiaxis 20 center A0, reference circle center B and hub spindle 40 centre of gration A2 are on same straight line, and centre of gration A2 is the shortest from semiaxis 20 center A0 distances, now the setting range maximum, be 2 δ 1.If, after taking turns limit assembly 4 rotation 22.5 degree, the width between centers between semiaxis 20 center A0 and hub spindle 40 centre of gration A2 becomes L2,
if, after taking turns limit assembly 4 rotation 50 degree, the width between centers between semiaxis 20 center A0 and hub spindle 40 centre of gration A2 becomes L3,
width between centers between semiaxis 20 center A0 and hub spindle 40 centre of gration A2 increases, and chain 22 degree of tensions increase.Then will take turns limit assembly 4 by bolt is fixedly connected with tandem-driving bogie 3.Thereby, reaching the purpose of adjusting chain 22 degree of tensions, this structure is ingenious, and cost is low.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an arrester shell, comprise the shell body, be evenly distributed with a plurality of shell body bolts hole (410) on the reference circle of shell body, the middle part of shell body is provided with the shell body bearing hole of installing with hub spindle (40), it is characterized in that default shell body eccentric throw (δ 1) is arranged between the reference circle center (B) of shell body and shell body bearing hole center (A1).
2. arrester shell according to claim 1, is characterized in that, is furnished with at least one boss (411) on this external surface of shell, is provided with oil inlet (4110) and/or vent (4112) and/or porthole (4111) on boss (411).
3. arrester shell according to claim 2, is characterized in that, boss (411) comprises four, and four boss (411) are evenly distributed on this external surface of shell.
4. according to the described arrester shell of claims 1 to 3 any one, it is characterized in that, shell body eccentric throw (δ 1) is 5mm to 8mm.
5. according to the described arrester shell of claims 1 to 3 any one, it is characterized in that, shell body bolt hole (410) comprises 16.
6. take turns the limit assembly for one kind, comprise hub spindle (40), driven sprocket (43), drg (47), clutch shaft bearing (45), driven sprocket (43) is arranged on hub spindle (40), clutch shaft bearing (45) is set on hub spindle (40), it is characterized in that, also comprise arrester shell as described as claim 1 to 5 any one (41), drg (47) is installed in arrester shell (41), and shell body bearing hole coordinates with clutch shaft bearing (45).
7. the limit assembly of taking turns according to claim 6, it is characterized in that, also comprise flange end cap (42) and the second bearing (44), flange end cap (42) is set on hub spindle (40) by the second bearing (44), flange end cap (42) is positioned between arrester shell (41) and driven sprocket (43), and drg (47) is positioned between flange end cap (42) and arrester shell (41).
8. the limit assembly of taking turns according to claim 7, it is characterized in that, be evenly distributed with a plurality of flange bolt holes (420) on the flange reference circle of flange end cap (42), the middle part of flange end cap (42) is provided with the flange bearing hole of installing with hub spindle (40), default flange eccentric is arranged apart from (δ 2) between flange reference circle center (C) and center, flange bearing hole (A3), flange eccentric equals shell body eccentric throw (δ 1) apart from (δ 2).
9. a road grader, comprise that wheel subtracts assembly (2) and tandem-driving bogie (3) and chain (22), wheel subtracts assembly (2) and is connected with tandem-driving bogie (3), wheel subtracts assembly (2) and comprises drive sprocket (21) and semiaxis (20), drive sprocket (21) is installed on semiaxis (20), drive sprocket (21) and chain (22) are positioned at tandem-driving bogie (3), it is characterized in that, comprise the limit assembly (4) of taking turns as described as claim 6 to 8 any one, chain (22) is arranged on drive sprocket (21) and driven sprocket (43), be provided with the tandem-driving bogie bolt hole be complementary with shell body bolt hole (410) on tandem-driving bogie (3), arrester shell (41) is bolted on tandem-driving bogie (3).
10. road grader according to claim 9, is characterized in that, bolt is through shell body bolt hole (410) and flange bolt hole (420) and tandem-driving bogie bolt hole, and arrester shell (41) and flange end cap (42) and tandem-driving bogie (3) are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320372013 CN203344926U (en) | 2013-06-26 | 2013-06-26 | Land leveler, rim assembly and brake shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320372013 CN203344926U (en) | 2013-06-26 | 2013-06-26 | Land leveler, rim assembly and brake shell |
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| Publication Number | Publication Date |
|---|---|
| CN203344926U true CN203344926U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320372013 Expired - Fee Related CN203344926U (en) | 2013-06-26 | 2013-06-26 | Land leveler, rim assembly and brake shell |
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| CN (1) | CN203344926U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632944A (en) * | 2015-01-06 | 2015-05-20 | 徐州徐工筑路机械有限公司 | Wet brake for land leveler rear axle |
| CN105799416A (en) * | 2016-03-14 | 2016-07-27 | 广西柳工机械股份有限公司 | Rear axle wheel side structure of land leveler |
| CN105909769A (en) * | 2016-04-27 | 2016-08-31 | 徐州徐工筑路机械有限公司 | Dry type self-lubricating wheel edge assembly for rear axle of land leveler |
| CN107806484A (en) * | 2017-12-01 | 2018-03-16 | 江西工埠机械有限责任公司 | Brakes, control method and gate open and close device for permanent magnet direct-drive mechanism |
-
2013
- 2013-06-26 CN CN 201320372013 patent/CN203344926U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632944A (en) * | 2015-01-06 | 2015-05-20 | 徐州徐工筑路机械有限公司 | Wet brake for land leveler rear axle |
| CN105799416A (en) * | 2016-03-14 | 2016-07-27 | 广西柳工机械股份有限公司 | Rear axle wheel side structure of land leveler |
| CN105909769A (en) * | 2016-04-27 | 2016-08-31 | 徐州徐工筑路机械有限公司 | Dry type self-lubricating wheel edge assembly for rear axle of land leveler |
| CN107806484A (en) * | 2017-12-01 | 2018-03-16 | 江西工埠机械有限责任公司 | Brakes, control method and gate open and close device for permanent magnet direct-drive mechanism |
| CN107806484B (en) * | 2017-12-01 | 2023-04-07 | 江西工埠机械有限责任公司 | Braking system for permanent magnet direct drive mechanism, control method and gate opening and closing mechanism |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20180626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |