CN2797630Y - Tubular telescopic arm structure - Google Patents

Tubular telescopic arm structure Download PDF

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Publication number
CN2797630Y
CN2797630Y CN 200520018569 CN200520018569U CN2797630Y CN 2797630 Y CN2797630 Y CN 2797630Y CN 200520018569 CN200520018569 CN 200520018569 CN 200520018569 U CN200520018569 U CN 200520018569U CN 2797630 Y CN2797630 Y CN 2797630Y
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CN
China
Prior art keywords
arm
telescopic
telescopic arm
cartridge type
oil cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200520018569
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Chinese (zh)
Inventor
宁进峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN 200520018569 priority Critical patent/CN2797630Y/en
Application granted granted Critical
Publication of CN2797630Y publication Critical patent/CN2797630Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to the structure of a tubular telescopic arm for a small double-arm coal development machine, which comprises arm barrels, telescopic arms and telescopic oil cylinders, wherein inner cavities of the arm barrels are provided with the telescopic arms in which the telescopic oil cylinders are arranged; the relevant circuits of a development machine can be arranged in the utility model. The structure of tubular telescopic arm has the advantages of simple structure, few component and safe operation and is suitable for installing on the small double-arm coal development machine. The utility model adopts double arms and double development heads, and compared with the structure with a single arm and a single development head, the utility model largely enhance coal digging production efficiency in mines with thin coal layers.

Description

The cartridge type telescopic arm structure
Technical field
The utility model belongs to coal development machine field, relates to a kind of cartridge type telescopic arm structure that is used for small-sized both arms coal development machine.
Background technology
At present, the big arm of small-sized coal development machine is generally the square structure, is not easy to cabling, makes outside the associated components such as oil gas pipeline, circuit line of development machine is exposed to, and not only influences its application life, also has hidden danger.And the big arm configuration complexity of existing development machine, be prone to fault.
Summary of the invention
It is a kind of safe and reliable to operation that the purpose of this utility model is to provide, and prolongs the parts coal development machine cartridge type telescopic arm structure in application life.
The technical solution adopted in the utility model: a kind of cartridge type telescopic arm structure, comprise arm tube, telescopic arm, telescopic oil cylinder, its arm tube inner chamber is provided with telescopic arm, is provided with telescopic oil cylinder in the telescopic arm.
Described arm letter is one cylindric, is connected with big arm rotary sleeve below the end of arm tube.
Bearing and bearing link stopper are installed, with arm tube key connecting on the described telescopic arm.
Described telescopic oil cylinder one end connects with the arm tube by telescopic oil cylinder seat pivot pin, and the other end connects with telescopic arm by the oil cylinder seat pin.
Described telescopic arm outer end connects the oil motor coupling sleeve, and the oil motor coupling sleeve connects overcoat.
Be provided with bearing cover, bearing in the described overcoat.
Put the stationary ring that dewatering means is installed outside described, the water dumping rotating ring is installed on the stationary ring.
In the utility model can be put the line related of development machine, simple in structure, component were few, safe and reliable to operation, be suitable for small-sized both arms coal development machine and install and use, adopt the two heading ends of both arms, in the girdle mine, excavate coal production efficient and increase substantially than single armed list heading end.
Description of drawings
Fig. 1 is the front view of the utility model structural representation;
Fig. 2 is the vertical view of the utility model structural representation;
Fig. 3 is the left view of the utility model structural representation.
The specific embodiment
Consult Fig. 1, Fig. 2, shown in Figure 3, a kind of cartridge type telescopic arm structure comprises bearing 1, arm tube 2, telescopic arm 3, pin-and-hole 4, key 5, big arm rotary sleeve 6, telescopic oil cylinder seat pivot pin 7, telescopic oil cylinder 8, bearing link stopper 9, oil cylinder seat pin 10, oil motor coupling sleeve 11, overcoat 12, bearing cover 13, bearing 14, water dumping rotating ring 15, stationary ring 16 etc.; Its arm tube 2 is one cylindric, and inner chamber is provided with telescopic arm 3, and bearing 1 and bearing link stopper 9 are installed on the telescopic arm 3, by key 5 and arm tube 2 key connecting; Arm tube 2 is provided with pin-and-hole 4 with telescopic arm 3, is provided with telescopic oil cylinder 8 in the telescopic arm 3, and telescopic oil cylinder 8 one ends connect with arm tube 2 by telescopic oil cylinder seat pivot pin 7, and the other end connects with telescopic arm 3 by oil cylinder seat pin 10; Telescopic arm 3 outer ends are connected with oil motor coupling sleeve 11, and oil motor coupling sleeve 11 connects overcoat 12, is provided with bearing cover 13, bearing 14 in the overcoat 12, and overcoat 12 ends are equipped with the stationary ring 16 of dewatering means, and water dumping rotating ring 15 is installed on the stationary ring 16; Be connected with big arm rotary sleeve 6 below the end of arm tube 2.

Claims (7)

1. a cartridge type telescopic arm structure comprises arm tube, telescopic arm, telescopic oil cylinder, it is characterized in that arm tube (2) inner chamber is provided with telescopic arm (3), is provided with telescopic oil cylinder (8) in the telescopic arm (3).
2. cartridge type telescopic arm structure according to claim 1 is characterized in that described arm tube (2) is one cylindric, is connected with big arm rotary sleeve (6) below the end of arm tube (2).
3. cartridge type telescopic arm structure according to claim 1 is characterized in that being equipped with on the described telescopic arm (3) bearing (1) and bearing link stopper (9), with arm tube (2) key connecting.
4. cartridge type telescopic arm structure according to claim 1 is characterized in that described telescopic oil cylinder (8) one ends connect with arm tube (2) by telescopic oil cylinder seat pivot pin (7), and the other end connects with telescopic arm (3) by oil cylinder seat pin (10).
5. cartridge type telescopic arm structure according to claim 1 is characterized in that described telescopic arm (3) outer end connects oil motor coupling sleeve (11), and oil motor coupling sleeve (11) connects overcoat (12).
6. cartridge type telescopic arm structure according to claim 5 is characterized in that being provided with in the described overcoat (12) bearing cover (13), bearing (14).
7. cartridge type telescopic arm structure according to claim 6 is characterized in that being equipped with on the described overcoat (12) stationary ring (16) of dewatering means water dumping rotating ring (15) being installed on the stationary ring (16).
CN 200520018569 2005-05-13 2005-05-13 Tubular telescopic arm structure Expired - Fee Related CN2797630Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520018569 CN2797630Y (en) 2005-05-13 2005-05-13 Tubular telescopic arm structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520018569 CN2797630Y (en) 2005-05-13 2005-05-13 Tubular telescopic arm structure

Publications (1)

Publication Number Publication Date
CN2797630Y true CN2797630Y (en) 2006-07-19

Family

ID=36868870

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200520018569 Expired - Fee Related CN2797630Y (en) 2005-05-13 2005-05-13 Tubular telescopic arm structure

Country Status (1)

Country Link
CN (1) CN2797630Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102031968A (en) * 2011-01-27 2011-04-27 三一重型装备有限公司 Tunnelling and shoring integrated machine and telescopic boom thereof
CN102162360A (en) * 2011-01-30 2011-08-24 三一重型装备有限公司 Drilling and loading machine and drilling-in device thereof
CN105756686A (en) * 2014-12-16 2016-07-13 中联重科股份有限公司 Telescopic boom system and concrete spraying trolley
CN106609671A (en) * 2015-10-27 2017-05-03 刘素华 Reciprocating-impact heading machine with built-in rocker-arm telescopic cylinder
CN106703801A (en) * 2015-07-24 2017-05-24 宜昌长兴机械制造有限公司 Scaling trolley telescopic work arm

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102031968A (en) * 2011-01-27 2011-04-27 三一重型装备有限公司 Tunnelling and shoring integrated machine and telescopic boom thereof
CN102031968B (en) * 2011-01-27 2012-12-05 三一重型装备有限公司 Tunnelling and shoring integrated machine and telescopic boom thereof
CN102162360A (en) * 2011-01-30 2011-08-24 三一重型装备有限公司 Drilling and loading machine and drilling-in device thereof
CN105756686A (en) * 2014-12-16 2016-07-13 中联重科股份有限公司 Telescopic boom system and concrete spraying trolley
CN106703801A (en) * 2015-07-24 2017-05-24 宜昌长兴机械制造有限公司 Scaling trolley telescopic work arm
CN106609671A (en) * 2015-10-27 2017-05-03 刘素华 Reciprocating-impact heading machine with built-in rocker-arm telescopic cylinder

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C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee