CN203879495U - Cutting mechanism and development machine - Google Patents

Cutting mechanism and development machine Download PDF

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Publication number
CN203879495U
CN203879495U CN201420237984.0U CN201420237984U CN203879495U CN 203879495 U CN203879495 U CN 203879495U CN 201420237984 U CN201420237984 U CN 201420237984U CN 203879495 U CN203879495 U CN 203879495U
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China
Prior art keywords
cutting mechanism
oil cylinder
rotating disc
disk portion
arm
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CN201420237984.0U
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Chinese (zh)
Inventor
孙海舰
魏成刚
杨文林
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Sany Heavy Equipment Co Ltd
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Sany Heavy Equipment Co Ltd
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Abstract

The utility model discloses a cutting mechanism which comprises a driving part, a first revolving support, a rotary disk, a cutter disk, a rotary arm assembly and an oscillating oil cylinder, wherein the outer circle of the first revolving support is driven to rotate by the driving part, and the inner circle of the first revolving support is connected with a connecting frame; the first end of the rotary disk is connected with the outer circle of the first revolving support; the cutter disk is connected to the second end of the rotary disk; the rotary arm assembly comprises an outer rotary arm and an inner rotary arm, the tail end of each rotary arm is hinged with the cutter disk, and a hobbing cutter is arranged on the head end of each rotary arm; and one end of the oscillating oil cylinder is connected with the rotary arm assembly, and the other end of the oscillating oil cylinder is installed on the rotary disk. According to the cutting mechanism disclosed by the utility model, the oscillating oil cylinder and the rotary arms are installed on different components, so as to conveniently arrange the oscillating oil cylinder and the rotary arms, so that relatively larger installation space is provided for the oscillating oil cylinder and the rotary arms, and the probability of interference of the components is reduced.

Description

Cutting mechanism and development machine
Technical field
The utility model relates to road heading machinery field, particularly a kind of cutting mechanism and development machine.
Background technology
Development machine is for digging the machine of straight underground passage, mainly cutting mechanism, loading transshipment acitivity, walking mechanism etc., consists of.In the course of work, along with walking mechanism is pushed ahead, the continuous fractured rock of cutterhead in cutting mechanism, and detritus is transported.The advantages such as development machine has safely, efficient He Cheng lane quality is good.
Driving and back production are the important production links of coal production, and the speedy drivage of coal mine roadway is the key measures that colliery guarantees mine stable high yield.Extraction technique and equipment thereof directly have influence on ability and the safety of coal production.In recent years, along with the fast development of coal in China industry, the improvement of development machine performance is more and more subject to people's attention.Wherein, cutting mechanism is one of important mechanism of development machine, and it has material impact to drivage efficiency.The cutting mechanism of existing development machine is mainly longitudinal axis formula and horizontal shaft type, and the cutter on cutting mechanism is pick-like bit, and this kind of cut form energy consumption is higher, and less to the applicability of hard rock tunnel cut, efficiency of breaking rock has much room for improvement.
In order to address the above problem, prior art also provides a kind of cutting mechanism of multi-arm rollaway type, as shown in Figure 1, this cutting mechanism mainly comprises 1 ', 3 ', 7 ', interior turning arm 4 ' of revolution 5 ', three outward turning pivoted arm of support, oscillating oil cylinder 2 ' to its structure; Wherein, the head end of each turning arm is provided with disk cutter 6 ', and tail end bearing pin is hinged on the inner ring of revolution support, and oscillating oil cylinder 2 ' is also installed on inner ring; The outer ring that revolution is supported is fixed in the frame of development machine, and inner ring is installed and is connected with the motor output shaft of development machine.This kind of cutting mechanism has advantages of that energy consumption is low, efficiency of breaking rock is high.But parts layout is comparatively tight in this kind of structure, be not easy to the layout of outward turning pivoted arm, interior turning arm and oscillating oil cylinder.
Utility model content
In view of this, the utility model proposes a kind of rotating arm component and oscillating oil cylinder and be easy to cutting mechanism and the development machine arranged.
For achieving the above object, the technical solution of the utility model is achieved in that
On the one hand, the utility model provides a kind of cutting mechanism, comprising: drive division; The first revolution is supported, and its outer ring is driven and rotated by described drive division, and its inner ring is connected with link; Rotating disc, its first end is connected with the outer ring that described the first revolution is supported; Cutterhead, is connected with the second end of described rotating disc; Rotating arm component, comprises outward turning pivoted arm and interior turning arm, and described in each, the end of turning arm is all hinged with described cutterhead, and head end is provided with hobboing cutter; Oscillating oil cylinder, its one end is connected with described rotating arm component, and the other end is installed on described rotating disc.
Further, the output shaft of described drive division is provided with travelling gear; The outer ring that described the first revolution is supported is provided with external tooth; The external tooth that described the first revolution is supported is meshed with the external tooth of described travelling gear.
Further, on described output shaft, be provided with spline, described spline is connected with the interior alligator of described travelling gear.
Further, described cutting mechanism also comprises the second revolution support, and the inner ring that described the second revolution is supported is connected with cutterhead and/or rotating disc, and outer ring is connected with described link.
Further, described rotating disc and cutterhead are structure as a whole.
Further, described rotating disc is provided with oil cylinder gripper shoe near the position of first end, and described oscillating oil cylinder is installed on described oil cylinder gripper shoe.
Further, the number of described interior turning arm is two.
Further, described cutterhead comprises: outer disk portion, and described outward turning pivoted arm is installed on described outer disk portion; Inner disk portion, the outstanding outside that is arranged at described outer disk portion, described interior turning arm is installed on described inner disk portion; At least two junction plates, the two ends of every a plate are connected with inner disk portion with described outer disk portion respectively; Described outer disk portion is provided with the first hinged seat, and described outward turning pivoted arm is hinged by the first hinge and described the first hinged seat; Described inner disk portion is provided with the second hinged seat, and described interior turning arm is hinged by the second hinge and described the second hinged seat.
Further, described outward turning pivoted arm is provided with the first Connection Block, and one end of described oscillating oil cylinder and described the first Connection Block are hinged, and the other end is installed on described rotating disc; And/or described interior turning arm is provided with the second Connection Block, one end of described oscillating oil cylinder and described the second Connection Block are hinged, and the other end is installed on described rotating disc.
On the other hand, the utility model also provides a kind of development machine, is provided with the cutting mechanism described in above-mentioned any one.
The cutting mechanism that the utility model provides includes drive division, the first revolution support, rotating disc, cutterhead, rotating arm component and oscillating oil cylinder.Wherein, drive division drives the outer ring rotating for driving the first revolution to support, and the outer ring that the first revolution is supported thus drives cutterhead to rotate by rotating disc again, and rotating arm component is arranged on cutterhead, and oscillating oil cylinder is installed on rotating disc.Hence one can see that, and with respect to prior art, in the cutting mechanism that the utility model provides, oscillating oil cylinder is installed on different parts from turning arm, is convenient to the layout of the two, makes the two have relatively large installing space, reduces the probability that parts interfere.Further, by two interior turning arms are set, can also improve the stressed of each turning arm, extend the application life of turning arm.
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 is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of cutting mechanism in prior art;
The generalized section of the cutting mechanism that Fig. 2 provides for the utility model embodiment;
The schematic top plan view of the cutting mechanism that Fig. 3 provides for the utility model embodiment;
The schematic top plan view of cutterhead in the cutting mechanism that Fig. 4 provides for the utility model embodiment;
The schematic side view of cutterhead in the cutting mechanism that Fig. 5 provides for the utility model embodiment;
The perspective view of cutterhead in the cutting mechanism that Fig. 6 provides for the utility model embodiment.
Description of reference numerals:
1 ' outward turning pivoted arm 2 ' oscillating oil cylinder
7 ' outward turning pivoted arm 3 ' outward turning pivoted arm
Turning arm in 6 ' hobboing cutter 4 '
5 ' revolution is supported
11 outward turning pivoted arm 111 first Connection Blocks
12 interior turning arms
2 cutterhead 21 outer disk portions
211 first hinged seats
22 inner disk portion 221 second hinged seats
23 junction plate 3 second revolutions are supported
6 links are supported in 5 first revolutions
7 drive division 4 oil cylinder gripper shoes
8 travelling gear 9 rotating discs
91 connecting platform 10 oscillating oil cylinders
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the utility model can combine mutually.Below in conjunction with accompanying drawing, each preferred embodiment of the present utility model is described further.It should be noted that, outside be a side of close scar described in the application, deviates from a side of drive division, and its corresponding end is the second end; Inner side is a side relative with above-mentioned outside, and, near a side of drive division, the corresponding end of inner side is first end.
Refer to Fig. 2 and Fig. 3, the figure shows the structure of the cutting mechanism that the utility model embodiment provides.The cutting mechanism that the present embodiment provides comprises:
Drive division 7;
The first revolution supports 5, and its outer ring is driven and rotated by drive division 7, and its inner ring is connected with link 6;
Rotating disc 9, its first end is connected with the outer ring of the first revolution support 5;
Cutterhead 2, is connected with the second end of rotating disc 9;
Rotating arm component, comprises outward turning pivoted arm 11 and interior turning arm 12, and described in each, the end of turning arm is all hinged with cutterhead 2, and head end is provided with hobboing cutter;
Oscillating oil cylinder 10, its one end is connected with rotating arm component, and the other end is installed on rotating disc 9.
The cutting mechanism that the present embodiment provides is applicable to the construction to hard tunnel, and in above-mentioned cutting mechanism, drive division 7 is for driving whole mechanism to rotate, and then makes outward turning pivoted arm 11 fully contact cut with interior turning arm 12 with rock.The first revolution supports 5 as torsion pass and support component, and its outer ring is driven and rotated by drive division 7, realizes torsion pass; Inner ring is connected with link 6, and during installation, this link 6 can be installed on the platform of development machine, and inner ring has played the effect of supporting thus, to guarantee reliability and the safety of construction.Rotating disc 9 as torsion pass parts, its first end and the first revolution are supported 5 outer ring and are connected, whole rotating disc 9 is realized rotations, its second end is connected with cutterhead 2, plays torsion pass effect.
Cutterhead 2 is as installing component, and for rotating arm component is installed, for outward turning pivoted arm 11 and interior turning arm 12 are installed, the while is because cutterhead 2 rotates with rotating disc 9, so also corresponding rotation of rotating arm component, realizes rotation cut.Those skilled in the art can arrange the area of cutterhead 2 installed surfaces according to the number of turning arm in rotating arm component and volume, to guarantee that rotating arm component has enough installing spaces and rotation space.In the present embodiment, in order to make the stressed more even of interior turning arm 12, consider the problem of installing space simultaneously, in in the present embodiment, the number of turning arm 12 is two, with respect to prior art, greatly reduce the stressed of each interior turning arm 12, the application life of turning arm 12 in extending.The number of outward turning pivoted arm 11 can be greater than two, is four in the present embodiment.Can certainly be three or six, concrete number those skilled in the art can select according to concrete operating mode.
Refer to Fig. 4 to Fig. 6, cutterhead 2 specifically can comprise:
Outer disk portion 21, outward turning pivoted arm 11 is installed on outer disk portion 21;
Inner disk portion 22, the outstanding outside that is arranged at outer disk portion 21, interior turning arm 12 is installed on inner disk portion 22;
At least two junction plates 23, the two ends of every a plate 23 are connected with inner disk portion 22 with outer disk portion 21 respectively;
Outer disk portion 21 is provided with the first hinged seat 211, and outward turning pivoted arm 11 is hinged by the first hinge and this first hinged seat 211; Inner disk portion 22 is provided with the second hinged seat 221, and interior turning arm 12 is hinged by the second hinge and this second hinged seat 221.
This cutterhead 2 is mainly comprised of two parts, is respectively inner disk portion 22 and outer disk portion 21.Inner disk portion 22 is for providing the installing space of interior turning arm 12, and outer disk portion 21 is for providing the installing space of outward turning pivoted arm 11.And the outstanding outside that is arranged at outer disk portion 21 of inner disk portion 22, forms idle area between inner disk portion 22 and outer disk portion 21 thus, this idle area is used for placing oscillating oil cylinder 10.
In addition, for the ease of being connected of oscillating oil cylinder 10 and interior turning arm 12 and/or outward turning pivoted arm 11, on above-mentioned outward turning pivoted arm 11, can be provided with the first Connection Block 111 (Fig. 2), one end and this first Connection Block 111 of oscillating oil cylinder (for the oscillating oil cylinder being connected with outward turning pivoted arm 11) are hinged, and the other end is installed on rotating disc 9; And/or, on interior turning arm 12, being provided with the second Connection Block, one end and this second Connection Block of oscillating oil cylinder (for the oscillating oil cylinder being connected with interior turning arm 12) are hinged, and the other end is installed on rotating disc 9.Thus, operating personnel can be according to the setting position that above-mentioned the first Connection Block 111 and/or the second Connection Block are adjusted in space that arranges of oscillating oil cylinder 10, and length is set, and then guarantee that oscillating oil cylinder can be connected with outward turning pivoted arm 11 and/or interior turning arm 12 smoothly, and difficult and cutterhead 2 interferes.
In addition, for the ease of oscillating oil cylinder 10 is installed on rotating disc 9, rotating disc 9 can also be provided with oil cylinder gripper shoe 4 near the position of first end, and the other end of oscillating oil cylinder 10 is all installed on this oil cylinder gripper shoe 4.
Oscillating oil cylinder 10 is for driving the turning arm of rotating arm component to swing.Owing to being provided with rotating disc 9 and cutterhead 2, the axial depth that has extended thus this cutting mechanism, is convenient to swing 10 oil cylinders and be installed on the inside of whole cutting means thus, i.e. the inside of rotating disc 9 and cutterhead 2, conserve space.Because oscillating oil cylinder 10 and turning arm are installed on different parts, be convenient on the one hand the layout of the two simultaneously, also avoid on the other hand in swing process, turning arm and oscillating oil cylinder 10 interfere.The number that it will be appreciated by persons skilled in the art that oscillating oil cylinder 10 should equate with the turning arm number in rotating arm component, being connected with turning arm of each oscillating oil cylinder 10 correspondence.
Above-mentioned driving mechanism 1 can be realized the driving of the first revolution being supported to 5 outer rings by travelling gear 8.Particularly, the output shaft of this drive division 7 can be provided with travelling gear 8, the first revolution and supports 5 outer ring and be provided with external tooth; Aforementioned external teeth is meshed with the external tooth of travelling gear.Further, on the output shaft of driving mechanism 1, can be provided with spline, this spline is connected with the interior alligator of travelling gear 8.Thus, when driving mechanism 1 work, output shaft rotation, in output shaft rotation process, by spline and coordinating of travelling gear 8, realize the rotation of travelling gear 8, after travelling gear 8 rotates, by its external tooth and the first revolution, support the engagement of 5 outer ring external tooths, drive the first revolution to support 5 outer ring rotating.Above-mentioned driving mechanism 1 can adopt reductor to add the form of motor, also can adopt reductor to add the form of motor.
In above-mentioned cutting mechanism, rotating disc 9 is connected with cutterhead 2, on cutterhead 2, be provided with the rotating arm component that weight is larger, therefore rotating disc 9 is stressed larger, in order to improve the stressed of rotating disc 9, the inner rings that above-mentioned cutting mechanism also preferably includes the second revolution support 3, the second revolution supports 3 are connected with cutterhead 2 and/or rotating disc 9, and outer ring is connected with link 6.Because link 6 is fixed in this second revolution support 3, played thus the effect of supporting, during work, part active force can support 3 by the second revolution and pass to link 6.
Further, in order to guarantee rotating disc 9, cutterhead 2 and the second revolution, support the bonding strength between 3 inner rings, the second end of rotating disc 9 can be provided with and its axial vertical connecting platform 91, on connecting platform 91, be provided with for supporting that 3 inner ring is connected and along the connecting hole of axis arranged with cutterhead 2 and the second revolution, during installation, use the securing members such as high-strength bolt successively through inner ring, connecting platform 91 and the cutterhead 2 of the second revolution support 3.In addition, it should be noted that, in the present embodiment, rotating disc 9 and cutterhead 2 are Split type structure, and the two is connected by bolt.Certainly, for the ease of installing, the two also can be designed as integrative-structure.
The operating principle of the cutting mechanism that the present embodiment provides is as follows:
The spline of the output shaft of drive unit 1 coordinates with the internal spline of travelling gear 8, and band nutating gear 8 rotates;
The external tooth engagement of 5 outer rings is supported in the external tooth of travelling gear 8 and the first revolution, drives the first revolution to support 5 and rotates; The inner ring of the first revolution support 5 is fixed on link 6, plays a supportive role;
The outer ring of the first revolution support 5 is connected with the first end of rotating disc 9, and driven rotary dish 9 rotates;
The second end of rotating disc 9 is connected with the inner ring of cutterhead 2 and the second revolution support 3, and the outer ring of the second revolution support 3 is connected with link 6, plays a supporting role; Cutterhead 2 rotates thereupon, and the rotating arm component being installed on cutterhead 2 also rotates thereupon;
Oscillating oil cylinder 10 is also installed on rotating disc 9, and thus, rotating arm component and oscillating oil cylinder 10 together rotate.Turning arm is realized the fragmentation to rock stratum in rotation and swing process.
As shown in the above, the cutting mechanism that the utility model provides includes drive division, the first revolution support, rotating disc, cutterhead, rotating arm component and oscillating oil cylinder.Wherein, drive division drives the outer ring rotating for driving the first revolution to support, and the outer ring that the first revolution is supported thus drives cutterhead to rotate by rotating disc again, and rotating arm component is arranged on cutterhead, and oscillating oil cylinder is installed on rotating disc.Hence one can see that, and with respect to prior art, in the cutting mechanism that the utility model provides, oscillating oil cylinder is installed on different parts from turning arm, is convenient to the layout of the two, makes the two have relatively large installing space, reduces the probability that parts interfere.Further, by two interior turning arms are set, can also improve the stressed of each turning arm, extend the application life of turning arm.
The utility model embodiment also provides a kind of development machine, is provided with the cutting mechanism described in above-described embodiment.Because above-mentioned cutting mechanism has above-mentioned technique effect, therefore, the development machine that is provided with cutting mechanism also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
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. a cutting mechanism, is characterized in that, comprising:
Drive division (7);
(5) are supported in the first revolution, and its outer ring is driven and rotated by described drive division (7), and its inner ring is connected with link (6);
Rotating disc (9), its first end is connected with the outer ring that (5) are supported in described the first revolution;
Cutterhead (2), is connected with the second end of described rotating disc (9);
Rotating arm component, comprises outward turning pivoted arm (11) and interior turning arm (12), and described in each, the end of turning arm is all hinged with described cutterhead (2), and head end is provided with hobboing cutter;
Oscillating oil cylinder (10), its one end is connected with described rotating arm component, and the other end is installed on described rotating disc (9).
2. cutting mechanism according to claim 1, is characterized in that, the output shaft of described drive division (7) is provided with travelling gear (8); The outer ring that (5) are supported in described the first revolution is provided with external tooth; The external tooth that (5) are supported in described the first revolution is meshed with the external tooth of described travelling gear (8).
3. cutting mechanism according to claim 2, is characterized in that, on described output shaft, is provided with spline, and described spline is connected with the interior alligator of described travelling gear (8).
4. cutting mechanism according to claim 1, it is characterized in that, described cutting mechanism also comprises the second revolution support (3), and the inner ring that (3) are supported in described the second revolution is connected with cutterhead (2) and/or rotating disc (9), and outer ring is connected with described link (6).
5. cutting mechanism according to claim 1, is characterized in that, described rotating disc (9) and cutterhead (2) are structure as a whole.
6. cutting mechanism according to claim 1, is characterized in that, described rotating disc (9) is provided with oil cylinder gripper shoe (4) near the position of first end, and described oscillating oil cylinder (10) is installed on described oil cylinder gripper shoe (4).
7. according to the cutting mechanism described in claim 1 to 6 any one, it is characterized in that, the number of described interior turning arm (12) is two.
8. according to the cutting mechanism described in claim 1 to 6 any one, it is characterized in that, described cutterhead (2) comprising:
Outer disk portion (21), described outward turning pivoted arm (11) is installed on described outer disk portion (21);
Inner disk portion (22), the outstanding outside that is arranged at described outer disk portion (21), described interior turning arm (12) is installed on described inner disk portion (22);
At least two junction plates (23), the two ends of every a plate (23) are connected with inner disk portion (22) with described outer disk portion (21) respectively;
Described outer disk portion (21) is provided with the first hinged seat (211), and described outward turning pivoted arm (11) is hinged by the first hinge and described the first hinged seat (211); Described inner disk portion (22) is provided with the second hinged seat (221), and described interior turning arm (12) is hinged by the second hinge and described the second hinged seat (221).
9. according to the cutting mechanism described in claim 1 to 6 any one, it is characterized in that, described outward turning pivoted arm (11) is provided with the first Connection Block (111), one end of described oscillating oil cylinder and described the first Connection Block (111) are hinged, and the other end is installed on described rotating disc (9); And/or described interior turning arm (12) is provided with the second Connection Block, one end of described oscillating oil cylinder and described the second Connection Block are hinged, and the other end is installed on described rotating disc (9).
10. a development machine, is characterized in that, is provided with the cutting mechanism described in claim 1 to 9 any one.
CN201420237984.0U 2014-05-12 2014-05-12 Cutting mechanism and development machine Active CN203879495U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107288643A (en) * 2017-07-14 2017-10-24 华东交通大学 A kind of parallel TBM eyelid retractors of tripodia that can be adaptive with tripodia supporting leg in parallel
CN107989606A (en) * 2017-11-21 2018-05-04 中国矿业大学 A kind of multiple tooth hard rock mole cutterhead

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107288643A (en) * 2017-07-14 2017-10-24 华东交通大学 A kind of parallel TBM eyelid retractors of tripodia that can be adaptive with tripodia supporting leg in parallel
CN107989606A (en) * 2017-11-21 2018-05-04 中国矿业大学 A kind of multiple tooth hard rock mole cutterhead

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