CN202031594U - Roadheader and slewing gear thereof - Google Patents
Roadheader and slewing gear thereof Download PDFInfo
- Publication number
- CN202031594U CN202031594U CN2011201369829U CN201120136982U CN202031594U CN 202031594 U CN202031594 U CN 202031594U CN 2011201369829 U CN2011201369829 U CN 2011201369829U CN 201120136982 U CN201120136982 U CN 201120136982U CN 202031594 U CN202031594 U CN 202031594U
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- slewing equipment
- oil cylinder
- turntable
- development machine
- telescopic oil
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Abstract
The utility model discloses a roadheader and a slewing gear thereof. The slewing device of the roadheader comprises a rotary table (1) and a telescopic cylinder (2). The rotary table (1) is rotatably connected with a body of the roadheader through a rolling bearing (3), an inner ring (32) and an outer ring (31) of the rolling bearing (3) are connected with the rotary table (1) and the body respectively, the outer ring (31) of the rolling bearing (3) is provided with tooth grooves, racks (4) meshing with the tooth grooves are further arranged telescopic cylinder (2) is used for driving the rotary table (1) to rotate relative to the body through the racks (4) and comprises a moving portion and a fixed portion, the moving portion can extend out to be abutted to the racks (4), and the fixed portion is connected with the rotary table (1). Slewing radius and angle of the slewing device can be enlarged, so that operation reliability of the slewing device is enhanced. The utility model further provides the roadheader comprising a body, a cutting portion and the slewing device.
Description
Technical field
The utility model relates to the development machine technical field, relates in particular to a kind of slewing equipment of development machine.The utility model also relates to a kind of development machine that comprises above-mentioned slewing equipment.
Background technology
Development machine is a kind of engineering machinery commonly used, is a kind of capital equipment that the tunnel exploitation is carried out in the colliery, is to integrate the underworkings speedy drivage equipment of adopting, collect, transporting in the tunnel, and development machine mainly comprises cutting units, walking mechanism, slewing equipment and loader mechanism.
The cutting units of development machine is connected on the slewing equipment, and this slewing equipment is a base apparatus of realizing the cutting units reciprocating operation of development machine, plays a part to form a connecting link, and slewing equipment will directly influence the angle of revolution of coal mining activity, the size of digging area.
Please refer to Fig. 1, Fig. 1 is the structural representation of the slewing equipment of development machine in the prior art.Briefly introduce the defective that above-mentioned slewing equipment exists in the course of the work below.
In the prior art, as shown in Figure 1, the slewing equipment of above-mentioned development machine comprise turntable 1 ' and two telescopic oil cylinders 2 ', turntable 1 ' be rotatably connected with the body of development machine, telescopic oil cylinder 2 ' the be located at inside of development machine body, the one end is connected in body, fixed part be connected in turntable 1 ', when development machine need rotate cutting units, by control telescopic oil cylinder 2 ', make telescopic oil cylinder 2 ' piston rod extend forward or shorten backward, thereby drive turntable 1 ' rotate to an angle, since cutting units be connected in turntable 1 ' on, thereby realize the function that cutting units rotates.
Yet, because telescopic oil cylinder 2 ' be located at the inside of body, the length and the width of body itself are less, cause telescopic oil cylinder 2 ' the piston rod space of stretching more limited, thereby the radius of gyration and rotational angle are less when causing turntable 1 ' rotation, and gyroscopic effects is undesirable.
Therefore how on the basis of existing technology,, improve the structure of slewing equipment, make it have the bigger radius of gyration and angle of revolution, and have higher job stability, be that those skilled in the art is badly in need of the technical problem that solves at present.
The utility model content
The technical problems to be solved in the utility model is for providing a kind of slewing equipment of development machine, and this slewing equipment can realize that turntable rotates with respect to body, and has the bigger radius of gyration and angle of revolution.Another technical problem to be solved in the utility model is for providing a kind of development machine that comprises above-mentioned slewing equipment.
For solving the problems of the technologies described above, the utility model provides a kind of slewing equipment of development machine, comprises turntable and telescopic oil cylinder; The body of described turntable and described development machine is rotatably connected by rolling bearing, the inner ring of described rolling bearing, outer ring connect described turntable, described body respectively, and the outer ring of described rolling bearing is provided with teeth groove, and described body also is provided with the tooth bar with described teeth groove engagement; The oil cylinder of described telescopic oil cylinder for rotating with respect to described body by the described turntable of described rack drives, it comprises the extended movable part and the fixed part that is connected with described turntable that supports to described tooth bar.
Preferably, the movable part of described telescopic oil cylinder is a piston rod, and its fixed part is a cylinder barrel.
Preferably, described telescopic oil cylinder is built-in oil cylinder, and described built-in oil cylinder comprises outer cylinder, is set in the inner cylinder tube of described outer cylinder inside, is provided with described piston rod in the tube chamber of described inner cylinder tube.
Preferably, the number of described tooth bar is two, and two described tooth bars are set in parallel in the both sides of described rolling bearing.
Preferably, the number of described telescopic oil cylinder is 4, and 4 described telescopic oil cylinders are located at the two ends of two described tooth bars respectively.
Preferably, described turntable front side is provided with the body cradle of the cutting units that is used to connect described development machine, and the length direction of described tooth bar is perpendicular to the fore-and-aft direction of described development machine.
The slewing equipment of development machine provided by the utility model, the body of turntable and development machine is rotatably connected by rolling bearing, the inner ring of rolling bearing, outer ring connect turntable, body respectively, and the outer ring of rolling bearing is provided with teeth groove, and body also is provided with the tooth bar with the teeth groove engagement; The oil cylinder of telescopic oil cylinder for rotating with respect to body by the rack drives turntable, its movable part is extended to be supported to tooth bar, and its fixed part is connected with turntable.
Adopt such structure, in the development machine course of work, when the needs cutting units rotates, drive telescopic oil cylinder, its movable part is stretched out to tooth bar, this hour rack has the trend of walking with the outer ring engagement of rolling bearing, because the outer ring of tooth bar, rolling bearing is connected with the development machine body, and tooth bar can not be moved, but with dynamic reaction in telescopic oil cylinder, make the fixed part counter motion of telescopic oil cylinder, thereby the inner ring that drives turntable and rolling bearing rotates together.
This shows that the slewing equipment of said structure can realize that turntable relatively rotates with respect to body, thereby the cutting units of development machine can be rotated to suitable position with respect to body.Because tooth bar is located at the outside of rolling bearing, and telescopic oil cylinder is located on the turntable, it elongates or shortens the restriction that is not subjected to body length and width, and this makes the radius of gyration of turntable and angle of revolution bigger, has further strengthened the labor aptitude and the functional reliability of slewing equipment.
The utility model also provides a kind of development machine, comprises body and cutting units; Also comprise foregoing slewing equipment, described slewing equipment is connected on the described body, and described cutting units is connected on the described slewing equipment.
Because above-mentioned slewing equipment has above-mentioned technique effect, therefore, comprises that the development machine of this slewing equipment also should have identical technique effect, does not repeat them here.
Description of drawings
Fig. 1 is the structural representation of the slewing equipment of development machine in the prior art;
Fig. 2 is a kind of vertical view of the specific embodiment of the slewing equipment of development machine provided by the utility model;
Fig. 3 is the partial sectional view of the A-A direction among Fig. 2;
Fig. 4 is the structural representation of the rolling bearing among Fig. 2;
Fig. 5 is the front view of the turntable among Fig. 2;
Fig. 6 is the structural representation of a kind of specific embodiment of development machine provided by the utility model.
Wherein, Reference numeral among Fig. 1 and the corresponding relation between the component names are: 1 ' turntable; 2 ' telescopic oil cylinder;
Reference numeral and the corresponding relation between the component names among Fig. 2 to Fig. 6 are: 1 turntable; 2 telescopic oil cylinders; 3 rolling bearings; 4 tooth bars; 5 body cradles; 21 movable parts; 22 fixed parts; 31 outer rings; 32 inner rings.
The specific embodiment
The slewing equipment of core of the present utility model for providing a kind of development machine to use, this slewing equipment has the bigger radius of gyration and angle of revolution, and has higher job stability.Another core of the present utility model is for providing a kind of development machine that comprises above-mentioned slewing equipment.
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2, Fig. 3 and Fig. 4, the vertical view of a kind of specific embodiment of the slewing equipment of Fig. 2 development machine provided by the utility model; Fig. 3 is the partial sectional view of the A-A direction among Fig. 2; Fig. 4 is the structural representation of the rolling bearing among Fig. 2.
In a kind of concrete embodiment, as shown in the figure, the slewing equipment of development machine provided by the utility model comprises turntable 1, telescopic oil cylinder 2, rolling bearing 3 and tooth bar 4.Turntable 1 is the main body in the slewing equipment, and the body of itself and development machine is rotatably connected by rolling bearing 3; Rolling bearing 3 is the links that connect turntable 1 and body, and its inner ring 32 is connected with turntable 1, and its outer ring 31 is connected with the body of development machine; The outer ring 31 of rolling bearing 3 is provided with teeth groove, also is provided with above-mentioned tooth bar 4 on the body of development machine, and this tooth bar 4 is meshing with each other with the teeth groove of rolling bearing 3 outer rings 31; The oil cylinder of telescopic oil cylinder 2 for rotating with respect to described body by the described turntable 1 of tooth bar 4 drivings, its movable part 21 extended supporting to tooth bar 4, its fixed part 22 is connected with turntable 1.
Adopt such structure, in the development machine course of work, when the needs cutting units rotates, drive telescopic oil cylinder 2, its movable part 21 is stretched out to tooth bar 4, this hour rack 4 has the trend of walking with outer ring 31 engagements of rolling bearing 3, because the outer ring 31 of tooth bar 4, rolling bearing 3 is connected with the development machine body, and tooth bar 4 can not be moved, but with dynamic reaction in telescopic oil cylinder 2, make fixed part 22 counter motions of telescopic oil cylinder 2, thereby the inner ring 32 that drives turntable 1 and rolling bearing 3 rotates together.
This shows that the slewing equipment of said structure can realize that turntable 1 relatively rotates with respect to body, thereby the cutting units of development machine can be rotated to suitable position with respect to body.Because tooth bar 4 is located at the outside of rolling bearing 3, and telescopic oil cylinder 2 is located on the turntable 1, it elongates or shortens the restriction that is not subjected to body length and width, and this makes the radius of gyration of turntable 1 and angle of revolution bigger, has further strengthened the labor aptitude and the functional reliability of slewing equipment.
Need to prove; the above-mentioned specific embodiment do not limit telescopic oil cylinder 2 piston rod, cylinder barrel which for movable part 21, which is fixed part 22; do not limit the specific constructive form of above-mentioned telescopic oil cylinder 2 yet; in fact; every turntable 1 is connected by rolling bearing 3 with body; and telescopic oil cylinder 2 drives the slewing equipment that turntable 1 rotates by tooth bar 4, all in protection domain of the present utility model.
In addition; the noun of locality that is occurred " preceding " refers to the tunneling direction of development machine herein; it is from right to left direction in the accompanying drawing 2; the noun of locality " back " refers in the accompanying drawing 2 direction from left to right; be to be understood that; these nouns of locality are to be that benchmark is set up with herein accompanying drawing, and their appearance should not influence protection domain of the present utility model.
The specific constructive form of above-mentioned telescopic oil cylinder 2 can also further be set.
In the concrete form of structure of another kind, the movable part 21 of above-mentioned telescopic oil cylinder 2 is a piston rod, and its fixed part 22 is a cylinder barrel.Adopt such structure, can realize the rotation of turntable 1 easily with respect to body.Certainly, the movable part 21 of above-mentioned telescopic oil cylinder 2 also can be cylinder barrel, and its fixed part that is connected with turntable 1 22 is piston rod.
In the concrete scheme, above-mentioned telescopic oil cylinder 2 can be built-in telescopic oil cylinder, and this built-in oil cylinder comprises outer cylinder and inner cylinder tube, and inner cylinder tube is set in the inside of outer cylinder, is provided with above-mentioned piston rod in the tube chamber of inner cylinder tube.Here adopt the form of structure of built-in telescopic oil cylinder 2, compare external telescopic oil cylinder 2, have the advantage of saving the space, thereby make the structure space compact more, that take fuselage of slewing equipment littler.
The number of above-mentioned tooth bar 4 and telescopic oil cylinder 2 can also further be set.
In the another kind of specific embodiment, in the above-mentioned slewing equipment, the number of tooth bar 4 can be two, and these two tooth bars 4 can be set in parallel in the both sides of rolling bearing 3.Adopt this structure, when making work two tooth bars 4 simultaneously with rolling bearing 3 outer rings, 31 engagements, realize the multiple spot contact, make turntable 1 stress balance, stability of rotation when rotating like this.Correspondingly, the number of above-mentioned telescopic oil cylinder 2 can be 4, and 4 telescopic oil cylinders 2 lay respectively at the two ends of two tooth bars 4, adopts the structure that two telescopic oil cylinders 2 are set at the two ends of each tooth bar 4, make it push away simultaneously, draw, so also can increase the job stability of slewing equipment from two ends.Certainly, the number of above-mentioned tooth bar 4 also can be other numbers, and two tooth bars 4 also can be arranged at the both sides of rolling bearing 3 non-parallelly; In addition, at the number of tooth bar 4, above-mentioned telescopic oil cylinder 2 also can adopt other number.
Please refer to Fig. 5, Fig. 5 is the front view of the turntable 1 among Fig. 2; In scheme more specifically, as shown in Figure 5, the front side of above-mentioned turntable 1 can be provided with body cradle 5, so that the cutting units of development machine connects, the length direction of tooth bar 4 and telescopic oil cylinder 2 can be the fore-and-aft direction perpendicular to development machine.Adopt such structure, make the length direction and body cradle 5 vertical settings of tooth bar 4, telescopic oil cylinder 2, made full use of the space of turntable 1, and topology layout rationally, the effect of saving the space.
Please refer to Fig. 6, Fig. 6 is the structural representation of a kind of specific embodiment of development machine provided by the utility model.
As shown in Figure 6, the utility model also provides a kind of development machine, comprises body and cutting units; Also comprise foregoing slewing equipment, slewing equipment is connected on the body, and cutting units is connected on the slewing equipment.
Because above-mentioned slewing equipment has above-mentioned technique effect, therefore, comprises that the development machine of this slewing equipment also should have similar technique effect, does not repeat them here.
More than a kind of development machine provided by the utility model and slewing equipment thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (7)
1. the slewing equipment of a development machine comprises turntable (1) and telescopic oil cylinder (2); It is characterized in that, the body of described turntable (1) and described development machine is rotatably connected by rolling bearing (3), inner ring (32), outer ring (31) of described rolling bearing (3) connect described turntable (1), described body respectively, and the outer ring (31) of described rolling bearing (3) is provided with teeth groove, and described body also is provided with the tooth bar (4) with described teeth groove engagement; Described telescopic oil cylinder (2) is for driving the oil cylinder that described turntable (1) rotates with respect to described body by described tooth bar (4), it comprises the extended movable part (21) and the fixed part (22) that is connected with described turntable (1) that supports to described tooth bar (4).
2. slewing equipment according to claim 1 is characterized in that, the movable part (21) of described telescopic oil cylinder (2) is a piston rod, and its fixed part (22) is a cylinder barrel.
3. slewing equipment according to claim 2 is characterized in that, described telescopic oil cylinder (2) is built-in oil cylinder, and described built-in oil cylinder comprises outer cylinder, is set in the inner cylinder tube of described outer cylinder inside, is provided with described piston rod in the tube chamber of described inner cylinder tube.
4. according to each described slewing equipment of claim 1-3, it is characterized in that the number of described tooth bar (4) is two, two described tooth bars (4) are set in parallel in the both sides of described rolling bearing (3).
5. slewing equipment according to claim 4 is characterized in that, the number of described telescopic oil cylinder (2) is 4, and 4 described telescopic oil cylinders (2) are located at the two ends of two described tooth bars (4) respectively.
6. slewing equipment according to claim 5 is characterized in that, described turntable (1) front side is provided with the body cradle (5) of the cutting units that is used to connect described development machine, and the length direction of described tooth bar (4) is perpendicular to the fore-and-aft direction of described development machine.
7. a development machine comprises body and cutting units; It is characterized in that also comprise each described slewing equipment as claim 1-6, described slewing equipment is connected on the described body, and described cutting units is connected on the described slewing equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201369829U CN202031594U (en) | 2011-05-03 | 2011-05-03 | Roadheader and slewing gear thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201369829U CN202031594U (en) | 2011-05-03 | 2011-05-03 | Roadheader and slewing gear thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202031594U true CN202031594U (en) | 2011-11-09 |
Family
ID=44893896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201369829U Expired - Fee Related CN202031594U (en) | 2011-05-03 | 2011-05-03 | Roadheader and slewing gear thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202031594U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910561A (en) * | 2012-10-31 | 2013-02-06 | 南车四方车辆有限公司 | Aerial work platform and autorail |
| CN103277111A (en) * | 2013-05-28 | 2013-09-04 | 国投新集能源股份有限公司 | Operating platform for mine heading face |
| CN103835716A (en) * | 2014-02-28 | 2014-06-04 | 长治市永华机械有限公司 | Multistep gradient rotating mechanism |
| CN113803082A (en) * | 2021-10-25 | 2021-12-17 | 三一重型装备有限公司 | Rotation mechanism of heading machine and heading machine |
-
2011
- 2011-05-03 CN CN2011201369829U patent/CN202031594U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910561A (en) * | 2012-10-31 | 2013-02-06 | 南车四方车辆有限公司 | Aerial work platform and autorail |
| CN102910561B (en) * | 2012-10-31 | 2015-05-20 | 南车四方车辆有限公司 | Aerial work platform and autorail |
| CN103277111A (en) * | 2013-05-28 | 2013-09-04 | 国投新集能源股份有限公司 | Operating platform for mine heading face |
| CN103835716A (en) * | 2014-02-28 | 2014-06-04 | 长治市永华机械有限公司 | Multistep gradient rotating mechanism |
| CN113803082A (en) * | 2021-10-25 | 2021-12-17 | 三一重型装备有限公司 | Rotation mechanism of heading machine and heading machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20111109 Termination date: 20150503 |
|
| EXPY | Termination of patent right or utility model |