CN202064958U - Star-wheel device and excavating machine - Google Patents
Star-wheel device and excavating machine Download PDFInfo
- Publication number
- CN202064958U CN202064958U CN2011200663637U CN201120066363U CN202064958U CN 202064958 U CN202064958 U CN 202064958U CN 2011200663637 U CN2011200663637 U CN 2011200663637U CN 201120066363 U CN201120066363 U CN 201120066363U CN 202064958 U CN202064958 U CN 202064958U
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- Prior art keywords
- star
- wheel
- wearing layer
- wheel device
- outer pawl
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- Expired - Lifetime
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- 210000000078 claw Anatomy 0.000 claims abstract description 11
- 238000011161 development Methods 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 4
- 238000010008 shearing Methods 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of excavating machines and discloses a star-wheel device. The star-wheel device comprises a star wheel and a star-wheel outer claw arranged on the outer side of the star wheel, wherein the end part of the star-wheel outer claw is arranged on a wear-resistant layer; the wear-resistant layer and the star-wheel outer claw are connected through a bolt; and a clamping structure is formed between the wear-resistant layer and the star-wheel outer claw. In the star-wheel device of the structure, because the clamping structure is formed between the wear-resistant layer and the star-wheel outer claw, in a working process of the star-wheel device, under the action of a centrifugal force, a shearing force generated between the wear-resistant layer and the star-wheel outer claw is applied to the clamping structure between the wear-resistant layer and the star-wheel outer claw, the shearing force born by the bolt is relatively low, the bolt can be prevented from being sheared, the service life of the bolt can be prolonged, the wear-resistant layer and the star-wheel outer claw can be firmly connected, the wear-resistant layer is prevented from losing, and the star-wheel outer claw can be effectively protected. The utility model also discloses an excavating machine with the star-wheel device.
Description
Technical field
The utility model relates to the development machine technical field, relates in particular to a kind of star-wheel device.The utility model also relates to a kind of development machine with above-mentioned star-wheel device.
Background technology
Development machine is a kind of engineering machinery that is used to dig straight underground passage, and it mainly partly is made up of walking mechanism, shipment activity, star-wheel device etc.Development machine have safety, efficiently with becomes advantages such as the lane quality is good, be widely used in the tunnel cutting engineering.
The star-wheel device is the chief component of development machine, and the structure of star-wheel device is directly connected to the efficient of development machine, compliance and reliability.Below star-wheel device of the prior art is simply introduced.
Please referring to Fig. 1, Fig. 1 is the structural representation of a kind of typical star-wheel device in the prior art.
As shown in Figure 1, the star-wheel device of this structure comprises star-wheel 1 ' and the outer pawl 2 ' of star-wheel, star-wheel 1 ' is connected with the clutch end of reductor, and by the power that reductor provides the star-wheel device to rotate, the outer pawl 2 ' of star-wheel is located at the outside of star-wheel 1 ', in order to improve the anti-wear performance of star-wheel device, usually the outer end of pawl 2 ' is provided with wear-resisting piston shoes 3 ' outside star-wheel, and piston shoes 3 ' are connected by bolt with the outer pawl 2 ' of star-wheel, after the piston shoes 3 ' wearing and tearing, can be with piston shoes 3 ' dismounting, with the piston shoes 3 ' that more renew.
In the star-wheel device busy engineering of this structure, because action of centrifugal force, bolt will bear bigger shearing force, and bolt is easy to be cut off, and causes piston shoes 3 ' to be lost, and make the outer pawl 2 ' of star-wheel contact with the scope of operation, the outer pawl 2 ' serious wear of star-wheel; Piston shoes 3 ' and the outer pawl 2 ' suit of star-wheel, the piston shoes 3 ' difficulty of processing of this structure is bigger, and the piston shoes 3 ' abrasion resistance of this structure is relatively poor, is worn easily, and maintenance rate is higher.
In addition, when solvent or diluent and heavy grade tunnel operating mode, the star-wheel device rewinding ability of this structure is relatively poor, and rewinding is difficulty comparatively, and the shipment ability is lower.
Therefore, how to develop the star-wheel device that the outer pawl of a kind of abrasion-proof structure and star-wheel is connected firmly, become the technical barrier that those skilled in the art need to be resolved hurrily.
The utility model content
First purpose of the present utility model provides a kind of star-wheel device, and the abrasion-proof structure of this star-wheel device can firmly be connected with the outer pawl of star-wheel.Second purpose of the present utility model provides a kind of development machine with above-mentioned star-wheel device.
In order to realize above-mentioned first purpose, the utility model provides a kind of star-wheel device, comprise star-wheel and be located at the outer pawl of star-wheel in the star-wheel outside, the end of the outer pawl of described star-wheel is provided with wearing layer, described wearing layer is connected by bolt with the outer pawl of described star-wheel, forms interface arrangment between the outer pawl of described wearing layer and described star-wheel.
Preferably, the installed surface of the outer pawl of described wearing layer and described star-wheel is provided with fixture block, and the outer pawl of described star-wheel is provided with draw-in groove, and described fixture block and described draw-in groove form interface arrangment.
Preferably, the installed surface of the outer pawl of described wearing layer and described star-wheel is provided with draw-in groove, and the outer pawl of described star-wheel is provided with fixture block, and described draw-in groove and described fixture block form interface arrangment.
Preferably, be provided with the adjustment cushion block between the outer pawl of described wearing layer and star-wheel.
Preferably, the upper surface of described adjustment cushion block and described wearing layer form interface arrangment, and the lower surface of described adjustment cushion block becomes interface arrangment with the outer claw type of described star-wheel.
Preferably, the outside of described adjustment cushion block is provided with the cushion block wearing plate.
Preferably, described wearing layer comprises sidepiece wearing plate, top wear plate and backing plate, the welding of aliging with described backing plate of described top wear plate, and described sidepiece wearing plate is welded in the outside of described top wear plate, described backing plate; The bottom surface of described backing plate is provided with fixture block or draw-in groove.
Preferably, the outboard end of the outer pawl of described star-wheel is provided with the end wearing plate.
Preferably, be provided with the shoulder hole that is used to hold described bolt along described wearing layer thickness direction.
The star-wheel device that the utility model provides, the outer end of the outer pawl of star-wheel is provided with wearing layer, and wearing layer is connected by bolt with the outer pawl of star-wheel, forms interface arrangment between the outer pawl of wearing layer and star-wheel.The star-wheel device of this structure; form interface arrangment between the outer pawl of wearing layer and star-wheel; in the star-wheel device course of work; under action of centrifugal force; because the outer pawl of wearing layer and star-wheel is laterally being located by interface arrangment; the shearing force that produces between the outer pawl of wearing layer and star-wheel will act on wearing layer and star-wheel outward on the interface arrangment between the pawl; make that the shearing force that bolt bore is less; can prevent that bolt from being cut off; can prolong the application life of bolt; and then the outer pawl of wearing layer and star-wheel firmly can be connected, prevent that wearing layer from losing, can effectively protect the outer pawl of star-wheel.
In the preferred version, be provided with the adjustment cushion block between the outer pawl of described wearing layer and star-wheel.When solvent or diluent and heavy grade tunnel operating mode, can outside wearing layer and star-wheel, be provided with the adjustment cushion block between the pawl, to improve the height of wearing layer, can avoid under this operating mode because the material of action of centrifugal force after will cutting throws away, the rewinding ability of star-wheel device obviously improves, and can improve the shipment ability of development machine.
In order to realize above-mentioned second purpose, the utility model also provides a kind of development machine, this development machine comprises above-mentioned star-wheel device, because above-mentioned star-wheel device possesses above-mentioned technique effect, the development machine with this star-wheel device also should possess the corresponding techniques effect.
Description of drawings
Fig. 1 is the structural representation of a kind of typical star-wheel device in the prior art;
Fig. 2 is the structural representation of a kind of specific embodiment of star-wheel device provided by the utility model;
Fig. 3 is the structure for amplifying schematic diagram at I place among Fig. 2;
Wherein, among Fig. 1-Fig. 3:
Star-wheel 1 ', the outer pawl 2 ' of star-wheel, piston shoes 3 ';
Star-wheel 1, the outer pawl 2 of star-wheel, sidepiece wearing plate 3, top wear plate 4, backing plate 5, bolt 6, adjustment cushion block 7, cushion block wearing plate 8, end wearing plate 9.
The specific embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2, Fig. 3, Fig. 2 is the structural representation of a kind of specific embodiment of star-wheel device provided by the utility model; Fig. 3 is the structure for amplifying schematic diagram at I place among Fig. 2.
As shown in Figure 1 and Figure 2, star-wheel device provided by the utility model comprises star-wheel 1 and the outer pawl 2 of star-wheel, and star-wheel 1 can be connected with the clutch end of reductor, rotates under the driving of reductor; The outside of star-wheel 1 can be provided with the outer pawl 2 of a plurality of star-wheels, as shown in Figure 2, the outside of star-wheel 1 can be provided with the outer pawl 2 of five uniform star-wheels, the end of the outer pawl 2 of each star-wheel is equipped with wearing layer, wearing layer is connected by bolt 6 with the outer pawl 2 of star-wheel, form interface arrangment between the outer pawl 2 of wearing layer and star-wheel, promptly the outer pawl 2 of wearing layer and star-wheel, is laterally being located by interface arrangment by bolt 6 location vertically.
The star-wheel device of this structure; form interface arrangment between the outer pawl 2 of wearing layer and star-wheel; in the star-wheel device course of work; because the outer pawl 2 of wearing layer and star-wheel is laterally being located by interface arrangment; under action of centrifugal force; the shearing force that produces between the outer pawl 2 of wearing layer and star-wheel will act on wearing layer and star-wheel outward on the interface arrangment between the pawl 2; the shearing force that makes bolt 6 be born is less; can prevent that bolt 6 from being cut off; can prolong the application life of bolt 6; and then the outer pawl 2 of wearing layer and star-wheel firmly can be connected, prevent that wearing layer from losing, can effectively protect star-wheel pawl 2 outward.
In the concrete scheme, when the outer pawl 2 of wearing layer and star-wheel is directly fitted, fixture block can be provided with on the installed surface of the outer pawl 2 of wearing layer and star-wheel, draw-in groove can be provided with on the outer pawl 2 of star-wheel, fixture block and draw-in groove form interface arrangment, and the shearing force that produces between the outer pawl 2 of wearing layer and star-wheel will act on fixture block and the draw-in groove.
In the preferred version, be provided with between the outer pawl 2 of described wearing layer and star-wheel and adjust cushion block 7.For adjust the wearing layer upper surface with respect to the height of outer pawl 2 upper surfaces of star-wheel, can outside wearing layer and star-wheel, be provided with adjustment cushion block 7 between the pawl 2, can select to adjust the thickness of cushion block 7 as required.Outside wearing layer and star-wheel, be provided with between the pawl 2 and adjust cushion block 7, can improve the height of wearing layer, when solvent or diluent and heavy grade tunnel operating mode, can come rewinding by the difference in height between wearing layer and the outer pawl 2 of star-wheel, can avoid because the material of action of centrifugal force after will cutting throws away, can make the rewinding ability of star-wheel device obviously improve, can improve the shipment ability of development machine.
In the scheme, can between the upper surface of adjusting cushion block 7 and wearing layer, form interface arrangment particularly, in the scheme, can the draw-in groove that match with the fixture block of described wearing layer soffit be set more specifically in the upper surface of adjusting cushion block 7; Can outside the lower surface of adjusting cushion block 7 and star-wheel, form interface arrangment between the pawl 2, in the scheme, can the fixture block that match with the draw-in groove of pawl 2 outside the star-wheel be set more specifically in the lower surface of adjusting cushion block 7.This structure laterally positioning adjusting cushion block 7, can reduce to adjust the shearing force of 7 pairs of bolts 6 of cushion block by interface arrangment.
In the preferred version, be worn, can be provided with cushion block wearing plate 8 in the outside of adjusting cushion block 7 in order to prevent the side of adjusting cushion block 7, in the concrete scheme, cushion block wearing plate 8 can with adjust cushion block 7 by being welded into integrative-structure.
In the concrete scheme, wearing layer can specifically comprise sidepiece wearing plate 3, top wear plate 4 and backing plate 5, top wear plate 4 welding of aliging with backing plate 5, sidepiece wearing plate 3 and the outside of top wear plate 4, the outside welding of backing plate 5 are provided with fixture block or the draw-in groove that is used to form interface arrangment in the bottom surface of backing plate 5.The wearing layer of this structure can only be provided with sidepiece wearing plate 3, top wear plate 4 at surface portion, and its inner backing plate 5 of being made by common material that adopts forms interface arrangment by backing plate 5, can reduce the use amount of expensive wearing plate, and then reduce production costs.
In the preferred version,, can star-wheel outside, be provided with end wearing plate 9 in the end of the outboard end of pawl 2 for the end that prevents the outer pawl 2 of star-wheel is worn, in the concrete scheme, end wearing plate 9 can with star-wheel outward pawl 2 by being welded into integrative-structure.
In the preferred version, can be provided for holding the shoulder hole of bolt 6 along the wearing layer thickness direction, bolt 6 is installed in the described shoulder hole, this structure makes bolt head be lower than the upper surface of wearing layer, in the star-wheel device course of work, can reduce the wear extent of bolt 6, prolong the application life of bolt 6.
In the foregoing description; on wearing layer, be provided with fixture block; outside star-wheel, be provided with draw-in groove on the pawl 2; the star-wheel device that the utility model provides is not limited thereto; can also outside described wearing layer and described star-wheel, be provided with draw-in groove by the installed surface of pawl 2; the outer pawl 2 of described star-wheel is provided with fixture block, and described draw-in groove and described fixture block form interface arrangment, and this structure also should be in protection domain of the present utility model.
Further in the scheme, can the fixture block that match with the draw-in groove of described wearing layer soffit be set, can the draw-in groove that match with the fixture block of pawl 2 outside the star-wheel be set in the lower surface of adjusting cushion block 7 in the upper surface of adjusting cushion block 7.
In the foregoing description; wearing layer is made up of sidepiece wearing plate 3, top wear plate 4 and backing plate 5; the star-wheel device that the utility model provides is not limited thereto; wearing layer also can be made of the monoblock wearing plate; the cost of monoblock wearing plate is higher; do not advise adopting this scheme, but this scheme also should be in protection domain of the present utility model.
The utility model also provides a kind of development machine, this development machine comprises above-mentioned star-wheel device, the star-wheel of star-wheel device can be connected with the clutch end of reductor, under the driving of reductor, rotate, because above-mentioned star-wheel device possesses above-mentioned technique effect, development machine with this star-wheel device also should possess the corresponding techniques effect, no longer does at this and sees introduction for details.
The above only is the description of the preferred implementation of utility model; should be understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. star-wheel device, comprise star-wheel and be located at the outer pawl of star-wheel in the star-wheel outside, the end of the outer pawl of described star-wheel is provided with wearing layer, and pawl is connected by bolt outside described wearing layer and the described star-wheel, it is characterized in that, form interface arrangment between the outer pawl of described wearing layer and described star-wheel.
2. star-wheel device according to claim 1 is characterized in that, the installed surface of the outer pawl of described wearing layer and described star-wheel is provided with fixture block, and the outer pawl of described star-wheel is provided with draw-in groove, and described fixture block and described draw-in groove form interface arrangment.
3. star-wheel device according to claim 1 is characterized in that, the installed surface of the outer pawl of described wearing layer and described star-wheel is provided with draw-in groove, and the outer pawl of described star-wheel is provided with fixture block, and described draw-in groove and described fixture block form interface arrangment.
4. according to each described star-wheel device of claim 1-3, it is characterized in that, be provided with the adjustment cushion block between the outer pawl of described wearing layer and star-wheel.
5. star-wheel device according to claim 4 is characterized in that, the upper surface of described adjustment cushion block and described wearing layer form interface arrangment, and the lower surface of described adjustment cushion block becomes interface arrangment with the outer claw type of described star-wheel.
6. star-wheel device according to claim 5 is characterized in that the outside of described adjustment cushion block is provided with the cushion block wearing plate.
7. star-wheel device according to claim 1, it is characterized in that, described wearing layer comprises sidepiece wearing plate, top wear plate and backing plate, the welding of aliging with described backing plate of described top wear plate, and described sidepiece wearing plate is welded in the outside of described top wear plate, described backing plate; The bottom surface of described backing plate is provided with fixture block or draw-in groove.
8. star-wheel device according to claim 1 is characterized in that, the outboard end of the outer pawl of described star-wheel is provided with the end wearing plate.
9. star-wheel device according to claim 1 is characterized in that, is provided with the shoulder hole that is used to hold described bolt along described wearing layer thickness direction.
10. a development machine is characterized in that, this development machine comprises each described star-wheel device of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200663637U CN202064958U (en) | 2011-03-15 | 2011-03-15 | Star-wheel device and excavating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200663637U CN202064958U (en) | 2011-03-15 | 2011-03-15 | Star-wheel device and excavating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202064958U true CN202064958U (en) | 2011-12-07 |
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ID=45058826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200663637U Expired - Lifetime CN202064958U (en) | 2011-03-15 | 2011-03-15 | Star-wheel device and excavating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202064958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121386A (en) * | 2011-03-15 | 2011-07-13 | 三一重型装备有限公司 | Star wheel device and development machine |
-
2011
- 2011-03-15 CN CN2011200663637U patent/CN202064958U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121386A (en) * | 2011-03-15 | 2011-07-13 | 三一重型装备有限公司 | Star wheel device and development machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111207 Effective date of abandoning: 20130327 |
|
| RGAV | Abandon patent right to avoid regrant |