CN203740926U - Anti-back-tilt device for crawler crane and crawler crane - Google Patents
Anti-back-tilt device for crawler crane and crawler crane Download PDFInfo
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- CN203740926U CN203740926U CN201320882923.5U CN201320882923U CN203740926U CN 203740926 U CN203740926 U CN 203740926U CN 201320882923 U CN201320882923 U CN 201320882923U CN 203740926 U CN203740926 U CN 203740926U
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- China
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- inner tube
- detecting device
- guide holder
- outer tube
- crawler crane
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Abstract
The utility model discloses an anti-back-tilt device for a crawler crane and the crawler crane. The anti-back-tilt device comprises a main body part and a detection device. The anti-back-tilt device is characterized in that an outer pipe is arranged outside an inner pipe in a sleeving manner to form a telescopic structure with the inner pipe, wherein a guide pipe is connected with the inner pipe and a guide seat and penetrates through the guide seat, a springs is further arranged between the guide seat and the inner pipe and is arranged on a pipe of the guide seat in the sleeving manner, the guide seat, the inner pipe and the springs form a whole, and a regulation cushion is mounted between the outer pipe and the guide seat; an outer pipe of the detection device is arranged outside an inner pipe of the detection device in the sleeving manner to form a telescopic structure with the inner pipe of the detection device, and the detection device is arranged in the outer pipe of the detection device. By utilizing the anti-back-tilt device, the guide seat, the springs and the inner pipe are mounted to form a whole, and the outer pipe cannot be collided with the springs when the springs are guided into the outer pipe; the angle detection of a main arm is accurate, the influences of manufacturing errors are effectively prevented, and the limitation of the anti-back-tilt device is reliable; the limiting position of the main arm is accurate and reliable; the overall stability and strength of the anti-back-tilt device cannot be reduced.
Description
Technical field
The utility model relates to a kind of technical field of anti-squat system, relates in particular to a kind of anti-squat system and crawler crane of crawler crane.
Background technology
At present, the anti-hypsokinesis detecting device of crawler crane spring loaded mainly contains: several modes such as the detection of principal arm root, the detection of anti-hypsokinesis pipe, jib angular transducer.Detecting device available travel switch and weight switch on anti-hypsokinesis pipe detect.But the mounting means of these several detecting devices has shortcoming, the first, be all directly to make detector switch effect by inner tube as contact, this mode way of contact is coarse, easily damages detector switch; The second, anti-dumping Guan Shangxu offers larger slotted eye on outer tube, can reduce like this strength and stability of anti-dumping pipe; The 3rd, spring slides at Guan Shanghui, when work, can cause abnormal sound; The 4th, the mounting process of these several modes and debugging are all very difficult.
Utility model content
In view of this, the utility model proposes a kind of anti-squat system and crawler crane of crawler crane, easily damage to solve above-mentioned detector switch, the strength and stability of anti-dumping pipe can reduce, and causes abnormal sound when work, the problem of mounting process and debug difficulties.
For achieving the above object, the technical solution of the utility model is achieved in that
An anti-squat system for crawler crane, comprises base portion and detecting device, wherein,
Described base portion comprises: outer tube, inner tube, spring, guide holder, guide pipe, the first bearing pin and the second bearing pin, the top of described outer tube connects principal arm by described the first bearing pin, described outer tube bottom contacts described guide holder, described outer tube sleeve forms stretching structure in described inner tube outside and with described inner tube, described inner tube bottom is by described the second bearing pin connecting platform, described guide pipe connects described inner tube and described guide holder, the junction of described inner tube and described guide pipe has nut, described guide pipe runs through described guide holder, the outside that described guide pipe runs through described guide holder has nut, between described guide holder and described inner tube, also there is spring, described spring housing is on the pipe of described guide holder, described guide holder, described inner tube and described spring shape are in aggregates, between described outer tube and described guide holder, adjusting pad is installed,
Described detecting device comprises: detecting device outer tube, detecting device inner tube, detector switch, setting nut, articulated joint and pin, described detecting device outer tube is connected with described inner tube by described pin, and described detecting device inner tube is connected with described guide holder by described articulated joint, described setting nut and described pin, described detecting device outer tube sleeve forms stretching structure outside described detecting device inner tube and with described detecting device inner tube, and described detecting device is located in described detecting device outer tube.
The anti-squat system of above-mentioned a kind of crawler crane, wherein, the way of contact of described outer tube and described guide holder is plane contact mode.
The anti-squat system of above-mentioned a kind of crawler crane, wherein, the two ends of described guide pipe have screw thread, on the plate of described inner tube, have with described guide pipe on the tapped bore that matches of screw thread.
The anti-squat system of above-mentioned a kind of crawler crane, wherein, described outer tube equates with the internal diameter of described guide holder and all matches with the diameter of described inner tube.
The anti-squat system of above-mentioned a kind of crawler crane, wherein, the rotating and described inner tube of described detecting device outer tube is connected.
The anti-squat system of above-mentioned a kind of crawler crane, wherein, by described articulated joint, described setting nut and described pin, rotating and described guide holder is connected described detecting device inner tube.
A kind of crawler crane, comprises the anti-squat system of the crawler crane described in above-mentioned any one.
The utility model is owing to having adopted above-mentioned technology, and the good effect of generation is:
By use of the present utility model, because guide holder, spring and inner tube are mounted to an entirety, spring can not arbitrarily move, and outer tube can not bump while importing spring; Detecting device is telescopic, and head has setting nut adjustable length, and two ends are articulated structure, makes the angle detection of principal arm more accurate, and actv. prevents the impact of manufacturing errors, makes the spacing more reliable of anti-hypsokinesis; Adjusting pad or spacer are installed between outer tube and guide plate, can be adjusted manufacturing errors, make the spacing position of principal arm more accurate, more reliable; In inner and outer tubes, all without perforate or groove, can not reduce resistance to overturning and the intensity of anti-hypsokinesis.
Brief description of the drawings
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 the anti-squat system of a kind of crawler crane of the present utility model;
Fig. 2 is the structural representation of the detecting device in the anti-squat system of a kind of crawler crane of the present utility model;
Fig. 3 is the anti-squat system of a kind of crawler crane of the present utility model and the assembling schematic diagram of crawler crane.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as restriction of the present utility model.
Embodiment:
Shown in Fig. 1-3, the anti-squat system of a kind of crawler crane of the present utility model, comprises base portion and detecting device, it is characterized in that,
Base portion comprises: outer tube 3, inner tube 8, spring 6, guide holder 4, guide pipe 5, the first bearing pins 2 and the second bearing pin 9, the top of outer tube 3 connects principal arm 1 by the first bearing pin 2, principal arm 1 can drive outer tube 3 activities when movable, outer tube 3 bottom contact guide holders 4, outer tube 3 is enclosed within inner tube 8 outsides and forms stretching structure with inner tube 8, can carry out telescopic movable, inner tube 8 bottoms are by the second bearing pin 9 connecting platforms 10, guide pipe 5 connects inner tube 8 and guide holder 4, inner tube 8 has nut 7 with the junction of guide pipe 5, guide pipe 5 runs through guide holder 4, the outside that guide pipe 5 runs through guide holder 4 has nut 7, nut 7 can be finely tuned guide holder 4, thereby reach the object spacing to guide holder 4, between guide holder 4 and inner tube 8, also there is spring 6, spring 6 is enclosed within on the pipe of guide holder 4, guide holder 4, inner tube 8 and spring 6 shapes are in aggregates, between outer tube 3 and guide holder 4, adjusting pad (not shown) is installed, adjusting pad can be adjusted the distance between the first bearing pin 2 and the second bearing pin 9, to solve the problem of the deviation in range producing under different operating modes,
Detecting device comprises: detecting device outer tube 12, detecting device inner tube 13, detector switch 11, setting nut 14, articulated joint 15 and pin 16, detecting device outer tube 12 is connected with inner tube 8 by pin 16, detecting device inner tube 13 is connected with guide holder 4 by articulated joint 15, setting nut 14 and pin 16, detecting device outer tube 12 is enclosed within outside detecting device inner tube 13 and forms stretching structure with detecting device inner tube 13, can carry out fore and aft motion, and detecting device 11 is located in detecting device outer tube 12.
The utility model also has following embodiment on the basis of the above, please continue in conjunction with shown in Fig. 1-3:
In further embodiment of the present utility model, outer tube 3 is plane contact mode with the way of contact of guide holder 4, can make like this outer tube 3 to guide holder 4 press down process in more steady.
In further embodiment of the present utility model, the two ends of guide pipe 5 have screw thread, on the plate of inner tube 8, have with guide pipe 5 on the tapped bore that matches of screw thread, nut 7 is also by fixing being arranged in inner tube 8 of the screw thread on guide pipe 5.
In further embodiment of the present utility model, outer tube 3 equates with the internal diameter of guide holder 4 and all matches with the diameter of inner tube 8, makes inner tube 8 not produce and swing in telescopic process, more level and smooth.
In further embodiment of the present utility model, detecting device outer tube 12 is rotating to be connected with inner tube 8.
In further embodiment of the present utility model, detecting device inner tube 13 is by articulated joint 15, setting nut 14 and pin 16 is rotating is connected with guide holder 4.
User can further be familiar with characteristic of the present utility model and function according to following explanation:
As Fig. 1, shown in Fig. 3, principal arm 1, in the time of luffing upwards, drives outer tube 3 to push to guide holder 4 by the rotation of the first bearing pin 2, then extrusion spring 6 of guide holder 4, and guide holder 4 is with motion detection device inner tube 13 to bounce back simultaneously; When detecting device inner tube 13 heads make after detector switch 11 effects, meeting output signal, to the control end of luffing device (not shown), stops luffing action.Simultaneously, under huge force of inertia effect, the Guan Huiyu outer tube 3 on guide holder 4 directly contact, by outer tube 3 toward original position promotion, thereby prevented the tipping backwards of principal arm 1.
In sum, by use of the present utility model, because guide holder, spring and inner tube are mounted to an entirety, spring can not arbitrarily move, and outer tube can not bump while importing spring; Detecting device is telescopic, and head has setting nut adjustable length, and two ends are articulated structure, makes the angle detection of principal arm more accurate, and actv. prevents the impact of manufacturing errors, makes the spacing more reliable of anti-hypsokinesis; Adjusting pad or spacer are installed between outer tube and guide plate, can be adjusted manufacturing errors, make the spacing position of principal arm more accurate, more reliable; In inner and outer tubes, all without perforate or groove, can not reduce resistance to overturning and the intensity of anti-hypsokinesis.
In embodiment of the present utility model, also comprise a kind of crawler crane, be provided with the anti-squat system of crawler crane described above.Because the anti-squat system of above-mentioned crawler crane has above-mentioned technique effect, therefore, the crawler crane that is provided with the anti-squat system of this crawler crane 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 the utility model preferred embodiment; not thereby limit embodiment of the present utility model and protection domain; to those skilled in the art; the scheme that being equal to of should recognizing that all utilization the utility model specification sheetss and diagramatic content done replaces and apparent variation obtains, all should be included in protection domain of the present utility model.
Claims (7)
1. an anti-squat system for crawler crane, comprises base portion and detecting device, it is characterized in that,
Described base portion comprises: outer tube (3), inner tube (8), spring (6), guide holder (4), guide pipe (5), the first bearing pin (2) and the second bearing pin (9), the top of described outer tube (3) connects principal arm (1) by described the first bearing pin (2), described outer tube (3) bottom contacts described guide holder (4), described outer tube (3) is enclosed within described inner tube (8) outside and forms stretching structure with described inner tube (8), described inner tube (8) bottom is by described the second bearing pin (9) connecting platform (10), described guide pipe (5) connects described inner tube (8) and described guide holder (4), described inner tube (8) has nut (7) with the junction of described guide pipe (5), described guide pipe (5) runs through described guide holder (4), the outside that described guide pipe (5) runs through described guide holder (4) has nut (7), between described guide holder (4) and described inner tube (8), also there is spring (6), described spring (6) is enclosed within on the pipe of described guide holder (4), described guide holder (4), described inner tube (8) and described spring (6) shape are in aggregates, between described outer tube (3) and described guide holder (4), adjusting pad is installed,
Described detecting device comprises: detecting device outer tube (12), detecting device inner tube (13), detector switch (11), setting nut (14), articulated joint (15) and pin (16), described detecting device outer tube (12) is connected with described inner tube (8) by described pin (16), described detecting device inner tube (13) is by described articulated joint (15), described setting nut (14) is connected with described guide holder (4) with described pin (16), described detecting device outer tube (12) is enclosed within outside described detecting device inner tube (13) and with described detecting device inner tube (13) and forms stretching structure, described detecting device (11) is located in described detecting device outer tube (12).
2. the anti-squat system of crawler crane according to claim 1, is characterized in that, described outer tube (3) is plane contact mode with the way of contact of described guide holder (4).
3. the anti-squat system of crawler crane according to claim 1, is characterized in that, the two ends of described guide pipe (5) have screw thread, on the plate of described inner tube (8), have with described guide pipe (5) on the tapped bore that matches of screw thread.
4. the anti-squat system of crawler crane according to claim 1, is characterized in that, described outer tube (3) equates with the internal diameter of described guide holder (4) and all matches with the diameter of described inner tube (8).
5. the anti-squat system of crawler crane according to claim 1, is characterized in that, the rotating and described inner tube (8) of described detecting device outer tube (12) is connected.
6. the anti-squat system of crawler crane according to claim 1, it is characterized in that, by described articulated joint (15), described setting nut (14), and described guide holder (4) rotating with described pin (16) is connected described detecting device inner tube (13).
7. a crawler crane, is characterized in that, comprises the anti-squat system of the crawler crane as described in any one in claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320882923.5U CN203740926U (en) | 2013-12-27 | 2013-12-27 | Anti-back-tilt device for crawler crane and crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320882923.5U CN203740926U (en) | 2013-12-27 | 2013-12-27 | Anti-back-tilt device for crawler crane and crawler crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203740926U true CN203740926U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320882923.5U Expired - Fee Related CN203740926U (en) | 2013-12-27 | 2013-12-27 | Anti-back-tilt device for crawler crane and crawler crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203740926U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444874A (en) * | 2014-12-08 | 2015-03-25 | 徐州建机工程机械有限公司 | Anti-back-tipping structure of movable-arm tower crane |
| CN106608598A (en) * | 2015-10-27 | 2017-05-03 | 无锡市希特机械有限公司 | Wheel type crane buffer type anti-back-tipping device |
-
2013
- 2013-12-27 CN CN201320882923.5U patent/CN203740926U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444874A (en) * | 2014-12-08 | 2015-03-25 | 徐州建机工程机械有限公司 | Anti-back-tipping structure of movable-arm tower crane |
| CN106608598A (en) * | 2015-10-27 | 2017-05-03 | 无锡市希特机械有限公司 | Wheel type crane buffer type anti-back-tipping device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20171227 |