CN206346237U - Excavator is with rotatable three joint arms structure - Google Patents

Excavator is with rotatable three joint arms structure Download PDF

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Publication number
CN206346237U
CN206346237U CN201621288894.XU CN201621288894U CN206346237U CN 206346237 U CN206346237 U CN 206346237U CN 201621288894 U CN201621288894 U CN 201621288894U CN 206346237 U CN206346237 U CN 206346237U
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China
Prior art keywords
joint arms
articulated
large arm
joint
excavator
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CN201621288894.XU
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王洪全
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JIANGSU TIANMEI ELECTROMECHANICAL TECHNOLOGY CO LTD
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JIANGSU TIANMEI ELECTROMECHANICAL TECHNOLOGY CO LTD
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Abstract

The utility model discloses a kind of excavator rotatable three joint arms structure, including large arm (3), two joint arms, three joint arms (7) and bucket (11);Two joint arms include firm banking (4), rotary fluid motor (5) and sliding seat (6);Firm banking rear end is articulated and connected in the top of large arm, two joint arm amplitude oil cylinders (13) being articulated and connected respectively with firm banking and large arm are additionally provided between firm banking and large arm, the body fore-and-aft direction of rotary fluid motor sets and is fixedly mounted on firm banking, the rounded end of rotary fluid motor is fixedly connected on the rear end of sliding seat, and rotary fluid motor is connected by fluid pressure line and control valve group with the airborne pumping plant of excavator.The operation such as this excavator can be realized pair with rotatable three joint arms structure on the premise of larger excavating radius is ensured to be had on the side of certain angle with ground and the manipulating object of coal mine roadway ceiling is implemented directly to excavate, shovel is cut, is particularly suitable for use in the Work places with inclined side such as coal mine roadway.

Description

Excavator is with rotatable three joint arms structure
Technical field
The utility model is related to a kind of excavator three joint arms structure, and specifically a kind of excavator is with rotatable three joint arms knot Structure, belongs to excavator technical field.
Background technology
Excavator is to be excavated using scraper bowl higher or lower than soil, coal, silt or the soil after pre- pine for holding machine side The material such as earth and rock, and load haulage vehicle or unload to the earthmoving machinery of rickyard, have become at present in engineering construction most One of main engineering machinery.
The equipment of excavator is generally arranged at the front end of frame, and bottom of the frame is arranged on pivoting support, common Two joint arm equipments generally include large arm, forearm and the scraper bowl being articulated and connected successively, and three joint arms are also had in the prior art Equipment, i.e., including the large arm being articulated and connected successively, transition arm, forearm and scraper bowl, whether two joint arm equipments are also It is three joint arms equipment, is luffing by controlling large arm and forearm or by controlling large arm and transition arm and small The luffing of arm realizes that excavator is operated in larger working range, but the luffing of traditional equipment joint arm is Carry out along the longitudinal direction, i.e., there is larger working range in the longitudinal direction, the front of scraper bowl is along all the time parallel to support The ground of running gear, excavator can only by revolution of the frame on pivoting support, coordinate again large arm and forearm luffing, Or the manipulating object perpendicular to ground is implemented to excavate by controlling the luffing of large arm and transition arm and forearm to realize, shovels and cuts Operation, and can not pair with the operation such as ground has manipulating object on the side of certain angle to implement directly to excavate, shovel is cut, for well Lower excavator directly can not split the operation of side to tunnel side and the operation on top is removed to tunnel ceiling, and then make excavator Overall performance be limited.
The content of the invention
In view of the above-mentioned problems, the utility model provides a kind of excavator rotatable three joint arms structure, can guarantee compared with Realized on the premise of big excavating radius pair have with ground on the side of certain angle and coal mine roadway ceiling manipulating object reality Apply directly excavation, shovel and the operation such as cut, being particularly suitable for use in coal mine roadway etc. has the Work places of inclined side.
To achieve the above object, this excavator includes large arm, two joint arms, three joint arms and digging with rotatable three joint arms structure Bucket;
Described large arm bottom is articulated and connected in the front portion of the rotary table of excavator, between large arm and rotary table Be additionally provided with the large arm amplitude oil cylinder being articulated and connected respectively with large arm and rotary table, large arm amplitude oil cylinder by fluid pressure line and Control valve group is connected with the airborne pumping plant of excavator;
Two described joint arms include firm banking, rotary fluid motor and sliding seat;Firm banking rear end be articulated and connected in The top of large arm, is additionally provided with the two joint arm luffings oil being articulated and connected respectively with firm banking and large arm between firm banking and large arm Cylinder, two joint arm amplitude oil cylinders are connected by fluid pressure line and control valve group with the airborne pumping plant of excavator;The sheet of rotary fluid motor Body fore-and-aft direction is set and is fixedly mounted on firm banking, and the rounded end of rotary fluid motor is fixedly connected on after sliding seat End, rotary fluid motor is connected by fluid pressure line and control valve group with the airborne pumping plant of excavator;
The rear end of described three joint arms is articulated and connected in the front end of sliding seat, and difference is additionally provided between three joint arms and sliding seat The three joint arms amplitude oil cylinder being articulated and connected with three joint arms and sliding seat, three joint arms amplitude oil cylinder passes through fluid pressure line and control valve group It is connected with the airborne pumping plant of excavator;
Described bucket be articulated and connected in the front end of three joint arms and by the linkage including link and support-arm with Three joint arms are connected, and the front portions of link one end and three joint arms is hinged, the rear end of the other end and support-arm is hinged, the front end of support-arm Be articulated and connected the bucket for being additionally provided with and being articulated and connected respectively with linkage and three joint arms between bucket, linkage and three joint arms Control cylinder, bucket control cylinder is connected by fluid pressure line and control valve group with the airborne pumping plant of excavator.
As further improvement of the utility model scheme, described firm banking is in barrel shape structure, the bucket of barrel shape structure It is articulated and connected outside the top of large arm, the bucket wall of barrel shape structure and is articulated and connected by hinged seat in two by hinged seat outside bottom Joint arm amplitude oil cylinder;Described rotary fluid motor is fixedly mounted on the inside of barrel shape structure.
As further improvement of the utility model scheme, described firm banking is of an L-shaped structure, one side of L-type structure Outside is articulated and connected outside the top of large arm, the another side of L-type structure by hinged seat to be articulated and connected in two by hinged seat Diagonal brace is additionally provided between joint arm amplitude oil cylinder, the both sides of L-type structure;Described rotary fluid motor is fixedly mounted on L-type structure Inside.
As further improvement of the utility model scheme, described large arm amplitude oil cylinder and two joint arm amplitude oil cylinders difference Positioned at the rear and front of large arm.
As further improvement of the utility model scheme, described three joint arms amplitude oil cylinder and bucket control cylinder difference Positioned at the rear and front of three joint arms.
Compared with prior art, this excavator with rotatable three joint arms structure due to provided with including firm banking, revolution liquid Two joint arms of pressure motor and sliding seat, and firm banking rear end is articulated and connected in the body on the top of large arm, rotary fluid motor Fore-and-aft direction set be fixedly mounted on firm banking, the rounded end of rotary fluid motor is fixedly connected on the rear end of sliding seat, Therefore by controlling the rotation of rotary fluid motor, it is possible to achieve sliding seat drives three joint arms along along the revolution of rotary fluid motor The heart rotates, and then realizes that pair having the manipulating object on the side of certain angle directly to implement digger blade with ground cuts operation, can be with Side operation directly is split to tunnel side and top operation is removed to tunnel ceiling, coal mine roadway etc. is particularly suitable for use in inclined side The Work places in face.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is Fig. 1 top view.
In figure:1st, rotary table, 2, large arm amplitude oil cylinder, 3, large arm, 4, firm banking, 5, rotary fluid motor, 6, Sliding seat, 7, three joint arms, 8, bucket control cylinder, 9, link, 10, support-arm, 11, bucket, 12, three joint arms amplitude oil cylinder, 13rd, two joint arm amplitude oil cylinder.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings (below using bucket 11 be located at excavator on direction as Front is described).
As shown in figure 1, this excavator includes large arm 3, two joint arms, three joint arms 7 and bucket 11 with rotatable three joint arms structure.
The described bottom of large arm 3 is articulated and connected in the front portion of the rotary table 1 of excavator, large arm 3 and rotary table 1 Between be additionally provided with the large arm amplitude oil cylinder 2 being articulated and connected respectively with large arm 3 and rotary table 1, by control large arm luffing oil The flexible of cylinder 2 can realize the pitching luffing of large arm 3, and large arm amplitude oil cylinder 2 passes through fluid pressure line and control valve group and excavator Airborne pumping plant connection.
Two described joint arms include firm banking 4, rotary fluid motor 5 and sliding seat 6;The rear end of firm banking 4 is hinged company The top of large arm 3 is connected to, two be articulated and connected respectively with firm banking 4 and large arm 3 are additionally provided between firm banking 4 and large arm 3 Joint arm amplitude oil cylinder 13, by controlling the flexible pitching luffing that two joint arms can be controlled overall of two joint arm amplitude oil cylinders 13, two Joint arm amplitude oil cylinder 13 is connected by fluid pressure line and control valve group with the airborne pumping plant of excavator;The body of rotary fluid motor 5 Fore-and-aft direction is set and is fixedly mounted on firm banking 4, and the rounded end of rotary fluid motor 5 is fixedly connected on after sliding seat 6 End, rotary fluid motor 5 is connected by fluid pressure line and control valve group with the airborne pumping plant of excavator.
The rear end of described three joint arms 7 is articulated and connected and is additionally provided between the front end of sliding seat 6, three joint arms 7 and sliding seat 6 The three joint arms amplitude oil cylinder 12 being articulated and connected respectively with three joint arms 7 and sliding seat 6, by controlling stretching for three joint arms amplitude oil cylinder 12 Contracting can control the pitching luffing of three joint arms 7, and three joint arms amplitude oil cylinder 12 passes through fluid pressure line and control valve group and excavator machine Carry pumping plant connection.
Described bucket 11 is articulated and connected in the front end of three joint arms 7 and by the connecting rod including link 9 and support-arm 10 Mechanism is connected with three joint arms 7, and the front portions of the one end of link 9 and three joint arms 7 is hinged, the rear end of the other end and support-arm 10 is hinged, The front end of support-arm 10 be articulated and connected be additionally provided between bucket 11, linkage and three joint arms 7 respectively with linkage and three The bucket control cylinder 8 that joint arm 7 is articulated and connected, by controlling the flexible of bucket control cylinder 8 to realize that linkage drives The upset of bucket 11 carries out excacation, and bucket control cylinder 8 is connected by fluid pressure line and control valve group with the airborne pumping plant of excavator Connect.
This excavator is installed with the excavator of rotatable three joint arms structure when in use, by controlling large arm amplitude oil cylinder 2nd, the coordination of two joint arm amplitude oil cylinders 13 and three joint arms amplitude oil cylinder 12 is flexible can realize three joint arms structure in the longitudinal direction Relatively wide working range;Need pair to have with ground the manipulating object on the side of certain angle to implement to excavate, the operation such as shovel is cut when, As shown in Fig. 2 the rotation by controlling rotary fluid motor 5, it is possible to achieve sliding seat 6 drives three joint arms 7 along revolution hydraulic pressure horse The centre of gyration up to 5 rotates, and then realization splits side operation to tunnel side;When needing to carry out operation to coal mine roadway ceiling, Control rotary fluid motor 5, which rotates 180 °, can make the front upset of bucket 11 remove top operation to tunnel ceiling towards top.
In order to ensure the support strength of firm banking 4, and it is easily installed rotary fluid motor 5 and to rotary fluid motor 5 Effectively support and protect, as further improvement of the utility model scheme, described firm banking 4 is in barrel shape structure, It is articulated and connected outside the bucket bottom of barrel shape structure by hinged seat outside the top of large arm 3, the bucket wall of barrel shape structure by being hinged Seat is articulated and connected in two joint arm amplitude oil cylinders 13;Described rotary fluid motor 5 is fixedly mounted on the inside of barrel shape structure.
In order to ensure the support strength of firm banking 4, and it is easily installed rotary fluid motor 5 and to rotary fluid motor 5 Effectively support and protect, as further improvement of the utility model scheme, described firm banking 4 is of an L-shaped structure, L It is articulated and connected outside one side of type structure by hinged seat outside the top of large arm 3, the another side of L-type structure and passes through hinged seat It is articulated and connected and is additionally provided with diagonal brace between two joint arm amplitude oil cylinders 13, the both sides of L-type structure;Described rotary fluid motor 5 is consolidated Dingan County is mounted in the inside of L-type structure.
For the ease of installing the joint arm amplitude oil cylinder 13 of large arm amplitude oil cylinder 2 and two, prevent work from interfering, it is new as this practicality The further improvement project of type, the described joint arm amplitude oil cylinder 13 of large arm amplitude oil cylinder 2 and two respectively positioned at the rear of large arm 3 and Front.
For the ease of installing three joint arms amplitude oil cylinder 12 and bucket control cylinder 8, prevent work from interfering, it is new as this practicality The further improvement project of type, described three joint arms amplitude oil cylinder 12 and bucket control cylinder 8 are located at the rear of three joint arms 7 respectively And front.
This excavator is with rotatable three joint arms structure due to provided with including firm banking 4, rotary fluid motor 5 and sliding seat 6 two joint arms, and the body fore-and-aft direction that the rear end of firm banking 4 is articulated and connected in the top of large arm 3, rotary fluid motor 5 sets Put be fixedly mounted on firm banking 4, the rounded end of rotary fluid motor 5 is fixedly connected on the rear end of sliding seat 6, therefore pass through Control the rotation of rotary fluid motor 5, it is possible to achieve sliding seat 6 drives centre of gyration rotation of the three joint arms 7 along rotary fluid motor 5 Turn, and then realize that pair having the manipulating object on the side of certain angle directly to implement digger blade with ground cuts operation, can be direct Side operation is split to tunnel side and top operation is removed to tunnel ceiling, being particularly suitable for use in coal mine roadway etc. has inclined side Work places.

Claims (5)

1. a kind of excavator rotatable three joint arms structure, including large arm (3), two joint arms, three joint arms (7) and bucket (11), its It is characterised by,
Described large arm (3) bottom is articulated and connected in the front portion of the rotary table (1) of excavator, large arm (3) and revolution work The large arm amplitude oil cylinder (2) being articulated and connected respectively with large arm (3) and rotary table (1), large arm luffing are additionally provided between platform (1) Oil cylinder (2) is connected by fluid pressure line and control valve group with the airborne pumping plant of excavator;
Two described joint arms include firm banking (4), rotary fluid motor (5) and sliding seat (6);Cut with scissors firm banking (4) rear end Be connected to the top of large arm (3) in succession, be additionally provided between firm banking (4) and large arm (3) respectively with firm banking (4) and large arm (3) two joint arm amplitude oil cylinders (13) being articulated and connected, two joint arm amplitude oil cylinders (13) pass through fluid pressure line and control valve group and digging The airborne pumping plant connection of pick machine;The body fore-and-aft direction of rotary fluid motor (5) sets and is fixedly mounted on firm banking (4), returns The rounded end of rotating hydraulic motor (5) is fixedly connected on the rear end of sliding seat (6), rotary fluid motor (5) by fluid pressure line and Control valve group is connected with the airborne pumping plant of excavator;
The rear end of described three joint arms (7) is articulated and connected between the front end of sliding seat (6), three joint arms (7) and sliding seat (6) also Provided with the three joint arms amplitude oil cylinder (12) being articulated and connected respectively with three joint arms (7) and sliding seat (6), three joint arms amplitude oil cylinder (12) It is connected by fluid pressure line and control valve group with the airborne pumping plant of excavator;
Described bucket (11) is articulated and connected in the front end of three joint arms (7) and by including link (9) and support-arm (10) Linkage is connected with three joint arms (7), and the front portions of link (9) one end and three joint arms (7) is hinged, the other end and support-arm (10) Rear end be hinged, the front end of support-arm (10) is articulated and connected to be additionally provided with point between bucket (11), linkage and three joint arms (7) The bucket control cylinder (8) not being articulated and connected with linkage and three joint arms (7), bucket control cylinder (8) passes through fluid pressure line It is connected with the airborne pumping plant of control valve group and excavator.
2. excavator according to claim 1 is with rotatable three joint arms structure, it is characterised in that described firm banking (4) in barrel shape structure, it is articulated and connected outside the bucket bottom of barrel shape structure by hinged seat in the top of large arm (3), barrel shape structure It is articulated and connected outside bucket wall by hinged seat in two joint arm amplitude oil cylinders (13);Described rotary fluid motor (5) is fixedly mounted In the inside of barrel shape structure.
3. excavator according to claim 1 is with rotatable three joint arms structure, it is characterised in that described firm banking (4) be of an L-shaped structure, be articulated and connected outside one side of L-type structure by hinged seat in the top of large arm (3), L-type structure it is another It is articulated and connected outside side by hinged seat and is additionally provided with diagonal brace between two joint arm amplitude oil cylinders (13), the both sides of L-type structure;It is described Rotary fluid motor (5) be fixedly mounted on the inside of L-type structure.
4. excavator according to claim 1 or 2 or 3 is with rotatable three joint arms structure, it is characterised in that described large arm Amplitude oil cylinder (2) and two joint arm amplitude oil cylinders (13) are located at the rear and front of large arm (3) respectively.
5. excavator according to claim 1 or 2 or 3 is with rotatable three joint arms structure, it is characterised in that three described sections Arm amplitude oil cylinder (12) and bucket control cylinder (8) are located at the rear and front of three joint arms (7) respectively.
CN201621288894.XU 2016-11-29 2016-11-29 Excavator is with rotatable three joint arms structure Active CN206346237U (en)

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Application Number Priority Date Filing Date Title
CN201621288894.XU CN206346237U (en) 2016-11-29 2016-11-29 Excavator is with rotatable three joint arms structure

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107882095A (en) * 2017-11-27 2018-04-06 河南飞防兵科技有限公司 A kind of rotary type excavator device
CN109653267A (en) * 2019-02-20 2019-04-19 江苏天煤机电科技有限公司 Underground excavator and method for digging
CN111608216A (en) * 2020-05-19 2020-09-01 江苏天煤机电科技有限公司 Multifunctional excavator for constructional engineering
CN111677455A (en) * 2020-05-09 2020-09-18 江苏天煤机电科技有限公司 Three-section operation mechanism with underground variable amplitude
CN113062376A (en) * 2021-03-24 2021-07-02 神华神东煤炭集团有限责任公司 Digging machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107882095A (en) * 2017-11-27 2018-04-06 河南飞防兵科技有限公司 A kind of rotary type excavator device
CN109653267A (en) * 2019-02-20 2019-04-19 江苏天煤机电科技有限公司 Underground excavator and method for digging
CN111677455A (en) * 2020-05-09 2020-09-18 江苏天煤机电科技有限公司 Three-section operation mechanism with underground variable amplitude
CN111608216A (en) * 2020-05-19 2020-09-01 江苏天煤机电科技有限公司 Multifunctional excavator for constructional engineering
CN113062376A (en) * 2021-03-24 2021-07-02 神华神东煤炭集团有限责任公司 Digging machine

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