CN102139834A - Telescopic slewing crane - Google Patents
Telescopic slewing crane Download PDFInfo
- Publication number
- CN102139834A CN102139834A CN2010105423678A CN201010542367A CN102139834A CN 102139834 A CN102139834 A CN 102139834A CN 2010105423678 A CN2010105423678 A CN 2010105423678A CN 201010542367 A CN201010542367 A CN 201010542367A CN 102139834 A CN102139834 A CN 102139834A
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- China
- Prior art keywords
- telescopic boom
- fixed arm
- support mechanism
- lower support
- boom
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Abstract
The invention relates to a telescopic slewing crane which comprises an upright column and a slewing boom, wherein one end of the slewing boom is fixedly arranged at the upright column; the slewing boom comprises a tubular fixed boom and a tubular telescopic boom, the fixed boom is in sleeve joint with the telescopic boom, one end of the fixed boom is fixedly connected to the upright column, and the telescopic boom is inserted into the fixed boom from the other end of the fixed boom; the upper part of the first end of the telescopic boom is provided with an upper support mechanism, and the upper end of the upper support mechanism is contacted with the inner wall of the fixed boom; the lower part of the fixed boom is provided with a first lower support mechanism and a second lower support mechanism which are arranged along the axial direction of the fixed boom; the upper end of the first lower support mechanism and the upper end of the second lower support mechanism are respectively contacted with the outer wall of the telescopic boom; and the slewing boom is provided with a positioning lock device. Because the telescopic slewing crane provided by the invention has a telescopic slewing boom, the situation that a hoisting point moves within a certain range can be realized, thereby meeting the requirements of special occasions on the crane; meanwhile, the crane is simple in structure and easy to operate.
Description
Technical field
The present invention relates to a kind of telescopic boom turning crane.
Background technology
Turning crane is used for hoisting heavy, the structure of common Pillar-fixing Type Slewing Crane generally includes and is installed in ground fixed column, an end is fixed on the rotatable spiral arm on the fixed column, the length of this spiral arm is normally fixed, and after it was fixed on the ground, its operating range immobilized.And, require the change of in certain scope, can stretching of this spiral arm at some special occasions, satisfy different needs.
Summary of the invention
The purpose of this invention is to provide a kind of turning crane with scalable spiral arm.
For achieving the above object, the technical solution used in the present invention is:
A kind of telescopic boom turning crane, comprise that column, an end are fixedly installed on the spiral arm on the described column, described spiral arm comprises the fixed arm of tubulose, the telescopic boom of tubulose, described fixed arm and described telescopic boom socket-connect, one end of described fixed arm is fixedly connected on the described column, and described telescopic boom inserts described fixed arm inside by the other end of described fixed arm;
Described telescopic boom comprises first end and second end, when described spiral arm is in the shortening state, the part of described second end is by exposing in the described fixed arm, and when described spiral arm was in elongation state, described first end was connected with described fixed arm;
The top of first end of described telescopic boom is provided with upper support mechanism, and the upper end of described upper support mechanism contacts with the inwall of described fixed arm; The bottom of described fixed arm is provided with the first lower support mechanism, the second lower support mechanism along its axial array; The upper end of the upper end of the described first lower support mechanism, the described second lower support mechanism contacts with the outer wall of described telescopic boom respectively;
Described spiral arm is provided with fixing and locking device, when described fixing and locking device is in the lock state, described telescopic boom and described fixed arm relative fixed, when described fixing and locking device was in released state, described telescopic boom can moving axially along described fixed arm.
Preferably, described upper support mechanism comprises a pair of first baffle plate that vertically is arranged on top, the described telescopic boom outside, be provided with first bolster of horizontal direction between described a pair of first plate washer, described first bolster is provided with the clutch shaft bearing that is complementary with it, and the upper end of described clutch shaft bearing contacts with the inwall of described fixed arm.
Preferably, the described first lower support mechanism, the described second lower support mechanism comprise a pair of second baffle that vertically is arranged on the outer side-lower of described fixed arm respectively, be provided with second bolster of horizontal direction between the described a pair of second baffle, described second bolster is provided with two second bearings that are complementary with it, and the upper end of described second bearing contacts with the outer wall of described telescopic boom.
Preferably, the described first lower support mechanism is positioned at the end away from described column of described fixed arm.
Preferably, the described second lower support mechanism is positioned at the middle part of described fixed arm.
Preferably, the cross section of the cross section of described fixed arm, described telescopic boom is rectangle.
Preferably, described fixing and locking device comprise be arranged on the described telescopic boom outside and with its be hinged mutually radius stay, be opened at least one knock hole on the described fixed arm, the free end of described radius stay is provided with locating dowel pin; When described fixing and locking device was in the lock state, described locating dowel pin inserted in the described knock hole.
Preferably, described radius stay along continuous straight runs is provided with, and can rotate in horizontal surface.
Because the technique scheme utilization, the present invention compared with prior art has following advantage:
Because turning crane of the present invention has telescopic spiral arm, can realize suspension centre moving within the specific limits, satisfied the requirement of special occasions to hoisting crane, simultaneously, this crane structure is simple, and is easy to operate.
Description of drawings
Accompanying drawing 1 is the front view of telescopic boom turning crane of the present invention;
Accompanying drawing 2 is for being the A-A enlarged view of the spiral arm of telescopic boom turning crane of the present invention;
Accompanying drawing 3 is for being the B-B enlarged view of the spiral arm of telescopic boom turning crane of the present invention.
In the above accompanying drawing: 1, column; 2, spiral arm; 3, fixed arm; 4, telescopic boom; 5, upper support mechanism; 6, first baffle plate; 7, first bolster; 8, clutch shaft bearing; 9, the first lower support mechanism; 10, the second lower support mechanism; 11, second baffle; 12, second bolster; 13, second bearing; 14, fixing and locking device; 15, radius stay; 16, knock hole; 17, locating dowel pin; 18, the shortest position of spiral arm; 19, the longest position of spiral arm.
The specific embodiment
Below in conjunction with embodiment shown in the drawings the present invention is further described:
Embodiment one: referring to accompanying drawing 1 to shown in the accompanying drawing 3.
A kind of telescopic boom turning crane, comprise that column 1, an end are fixedly installed on the spiral arm 2 on the column 1, spiral arm 2 comprises that the cross section of tubulose is that the fixed arm 3 of rectangle, the cross section of tubulose are the telescopic boom 4 of rectangle, fixed arm 3 socket-connects with telescopic boom 4, one end of fixed arm 3 is fixedly connected on the column 1, and telescopic boom 4 inserts fixed arm 3 inside by the other end of fixed arm 3; Telescopic boom 4 comprises first end and second end, and when spiral arm 2 was in elongation state, first end was connected with fixed arm 3;
The top of first end of telescopic boom 4 is provided with upper support mechanism 5, upper support mechanism 5 comprises a pair of first baffle plate 6 that vertically is arranged on top, telescopic boom 4 outsides, be provided with first bolster 7 of horizontal direction between a pair of first plate washer 6, first bolster 7 is provided with the clutch shaft bearing 8 that is complementary with it, and the upper end of clutch shaft bearing 8 contacts with the inwall of fixed arm 3;
The bottom of fixed arm 3 is provided with the first lower support mechanism 9, the second lower support mechanism 10 along its axial array; The first lower support mechanism 9 is positioned at the end away from column 1 of fixed arm 3, and the second lower support mechanism 10 is positioned at the middle part of fixed arm 3;
The first lower support mechanism 9, the second lower support mechanism 10 comprise a pair of second baffle 11 that vertically is arranged on fixed arm 3 outer side-lowers respectively, be provided with second bolster 12 of horizontal direction between a pair of second baffle 11, the upper end that second bolster 12 is provided with two second bearing, 13, the second bearings 13 that are complementary with it is passed fixed arm 3 and is contacted with the outer wall of telescopic boom 4;
When the work of this telescopic boom turning crane, telescopic boom 3 is drawn out to needs length, locating dowel pin 17 is inserted make the locking of spiral arm 2 length in the positioning hole corresponding 16, gets final product work.
Telescopic spiral arm 2 can satisfy the different requirements of different operating occasion to spiral arm 2 length, and this crane structure is simple simultaneously, and is easy to operate.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (8)
1. telescopic boom turning crane, comprise that column, an end are fixedly installed on the spiral arm on the described column, it is characterized in that: described spiral arm comprises the fixed arm of tubulose, the telescopic boom of tubulose, described fixed arm and described telescopic boom socket-connect, one end of described fixed arm is fixedly connected on the described column, and described telescopic boom inserts described fixed arm inside by the other end of described fixed arm;
Described telescopic boom comprises first end and second end, when described spiral arm is in the shortening state, the part of described second end is by exposing in the described fixed arm, and when described spiral arm was in elongation state, described first end was connected with described fixed arm;
The top of first end of described telescopic boom is provided with upper support mechanism, and the upper end of described upper support mechanism contacts with the inwall of described fixed arm; The bottom of described fixed arm is provided with the first lower support mechanism, the second lower support mechanism along its axial array; The upper end of the upper end of the described first lower support mechanism, the described second lower support mechanism contacts with the outer wall of described telescopic boom respectively;
Described spiral arm is provided with fixing and locking device, when described fixing and locking device is in the lock state, described telescopic boom and described fixed arm relative fixed, when described fixing and locking device was in released state, described telescopic boom can moving axially along described fixed arm.
2. telescopic boom turning crane according to claim 1, it is characterized in that: described upper support mechanism comprises a pair of first baffle plate that vertically is arranged on top, the described telescopic boom outside, be provided with first bolster of horizontal direction between described a pair of first plate washer, described first bolster is provided with the clutch shaft bearing that is complementary with it, and the upper end of described clutch shaft bearing contacts with the inwall of described fixed arm.
3. telescopic boom turning crane according to claim 1, it is characterized in that: the described first lower support mechanism, the described second lower support mechanism comprise a pair of second baffle that vertically is arranged on the outer side-lower of described fixed arm respectively, be provided with second bolster of horizontal direction between the described a pair of second baffle, described second bolster is provided with two second bearings that are complementary with it, and the upper end of described second bearing contacts with the outer wall of described telescopic boom.
4. telescopic boom turning crane according to claim 1 is characterized in that: the described first lower support mechanism is positioned at the end away from described column of described fixed arm.
5. telescopic boom turning crane according to claim 1 is characterized in that: the described second lower support mechanism is positioned at the middle part of described fixed arm.
6. telescopic boom turning crane according to claim 1 is characterized in that: the cross section of described fixed arm, the cross section of described telescopic boom are rectangle.
7. telescopic boom turning crane according to claim 1, it is characterized in that: described fixing and locking device comprise be arranged on the described telescopic boom outside and with its be hinged mutually radius stay, be opened at least one knock hole on the described fixed arm, the free end of described radius stay is provided with locating dowel pin; When described fixing and locking device was in the lock state, described locating dowel pin inserted in the described knock hole.
8. telescopic boom turning crane according to claim 7 is characterized in that: described radius stay along continuous straight runs is provided with, and can rotate in horizontal surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010542367 CN102139834B (en) | 2010-11-12 | 2010-11-12 | Telescopic slewing crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010542367 CN102139834B (en) | 2010-11-12 | 2010-11-12 | Telescopic slewing crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102139834A true CN102139834A (en) | 2011-08-03 |
| CN102139834B CN102139834B (en) | 2013-06-19 |
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ID=44407664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010542367 Expired - Fee Related CN102139834B (en) | 2010-11-12 | 2010-11-12 | Telescopic slewing crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102139834B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107337126A (en) * | 2017-09-06 | 2017-11-10 | 苏州优银机械有限公司 | A kind of roller movable cantilever device |
| CN112020300A (en) * | 2018-04-23 | 2020-12-01 | 意玛克股份公司 | Blower fan |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173230Y (en) * | 1993-09-14 | 1994-08-03 | 青州市机械设备制修厂 | Fixed vertical column rotary arm carne |
| CN2871488Y (en) * | 2005-10-27 | 2007-02-21 | 朱长安 | Column-centering crane with electric rotary arm |
| CN101723261A (en) * | 2009-11-13 | 2010-06-09 | 天津起重设备有限公司 | Cantilever beam rotary telescopic crane |
-
2010
- 2010-11-12 CN CN 201010542367 patent/CN102139834B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173230Y (en) * | 1993-09-14 | 1994-08-03 | 青州市机械设备制修厂 | Fixed vertical column rotary arm carne |
| CN2871488Y (en) * | 2005-10-27 | 2007-02-21 | 朱长安 | Column-centering crane with electric rotary arm |
| CN101723261A (en) * | 2009-11-13 | 2010-06-09 | 天津起重设备有限公司 | Cantilever beam rotary telescopic crane |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107337126A (en) * | 2017-09-06 | 2017-11-10 | 苏州优银机械有限公司 | A kind of roller movable cantilever device |
| CN112020300A (en) * | 2018-04-23 | 2020-12-01 | 意玛克股份公司 | Blower fan |
| CN112020300B (en) * | 2018-04-23 | 2022-05-10 | 意玛克股份公司 | Blower fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102139834B (en) | 2013-06-19 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20181112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |