CN202866636U - Long spiral drilling machine with self center of gravity controllable - Google Patents
Long spiral drilling machine with self center of gravity controllable Download PDFInfo
- Publication number
- CN202866636U CN202866636U CN 201220567099 CN201220567099U CN202866636U CN 202866636 U CN202866636 U CN 202866636U CN 201220567099 CN201220567099 CN 201220567099 CN 201220567099 U CN201220567099 U CN 201220567099U CN 202866636 U CN202866636 U CN 202866636U
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- counterweight
- drilling machine
- machine platform
- gravity
- self center
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- Expired - Fee Related
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Abstract
The utility model discloses a long spiral drilling machine with self center of gravity controllable. The long spiral drilling machine with the self center of gravity controllable comprises a drilling machine platform. A counterweight used for balancing drilling tools is arranged on the rear side of the drilling machine platform. A counterweight supporting piece is installed on the rear end portion of the drilling machine platform and provided with a guide structure which extends backwards. The counterweight is arranged on the rear side of the drilling machine platform in a guide motion mode through the fact that the guide structure is arranged on the counterweight and in guide fit with the counterweight. A counterweight drive device is further arranged on the drilling machine platform and provides horizontal motion acting force for the counterweight. Under the act of the counterweight drive device, the counterweight is capable of horizontally moving on the guide structure. The larger the weight of the drilling tools are, the further the counterweight moves backwards. The fact that the center of gravity of the whole drilling machine can not be greatly changed can be ensured all the time. Meanwhile, according to various specifications and weights of the drilling tools, corresponding positions of the counterweight can be found on the guide structure all the time, so that various construction condition requirements of the drilling machine are met.
Description
Technical field
The utility model relates to a kind of long-spiral drilling machine, relates in particular to the controlled long-spiral drilling machine of a kind of self center of gravity.
Background technology
Long-spiral drilling machine is when work, for the drilling tool of balance drilling machine platform front and the weight of earth, making machine gravity remain on revolution supports inner, prevent that machine from toppling, in the back of drilling machine platform counterweight is housed all, traditional counterweight assembling mode adopts the fixing mode that hangs, as shown in Figure 1, the afterbody of drilling machine platform 21 is equipped with hanging nose 31, and hook 11 is installed on the counterweight 41, cooperates the assembling that realizes counterweight 41 with hanging nose 31 by linking up with 11.
But adopting fixedly, there is drawback in hang, being counterweight remains constant apart from the distance of the centre of gyration, on the one hand, along with the development of long-spiral drilling machine, the stake footpath also constantly increases thereupon, a large amount of appearance of stake footpath about 800mm, 1000mm, the weight of drilling tool is also along with the increase in stake footpath also constantly increases, this just causes distance that machine gravity departs from the centre of gyration also along with the increase of drilling tool weight is offset, and original balance is broken, the stability when being unfavorable for the rig walking; On the other hand, under the different execution conditions, employed drilling tool specification and varying in weight, the side-play amount of machine gravity are also different, therefore, can not satisfy rig to the matching requirements of different size drilling tool, and this just brings inconvenience to the design of pile frame.
The utility model content
The purpose of this utility model provides the controlled long-spiral drilling machine of a kind of self center of gravity, adopt the fixing mode that hangs in order to the counterweight that solves existing long-spiral drilling machine, cause when rig is selected the drilling tool of Different Weight, counterweight can't carry out the problem of balance accordingly to complete machine.
The utility model adopts following technical scheme: the controlled long-spiral drilling machine of a kind of self center of gravity, comprise drilling machine platform, the back of drilling machine platform is provided with the counterweight for the balance drilling tool, the rearward end of described drilling machine platform is equipped with the counterweight support member, the counterweight support member has the guide frame that extends back, described counterweight is arranged on the back of drilling machine platform by guiding movement on it, that cooperate with described guide frame guiding movement, also is provided with on the described drilling machine platform as described counterweight the counterweight that moves forward and backward active force drive unit is provided.
Described counterweight drive unit is hydraulic jack, and the cylinder body of hydraulic jack is hinged on the drilling machine platform, the clutch end of piston rod is hinged on the front end face of described counterweight.
Described counterweight support member is the guide rail that is arranged in juxtaposition about two, described guiding movement structure be arranged in parallel at about two on the counterweight bottom surface, with two chutes that guide rail inserts respectively and is slidingly matched.
Being fixed with two on the rear end face of described counterweight covers at respectively being used on two guide rails and prevents the protective cover that guide rail collides with.
Also be marked with on the described guide rail for the label symbol of determining balance position.
Adopt the long-spiral drilling machine of said structure, because the rearward end of fixed platform is equipped with the counterweight support member, the counterweight support member has the guide frame that extends back, counterweight is provided with the guiding movement structure that cooperates with the guide frame guiding movement, under the effect of counterweight drive unit, counterweight can move forward and backward on guide frame, and drilling tool weight is larger, counterweight is moved more backward, can both guarantee that all the time machine gravity can not have greatly changed; Simultaneously, according to the drilling tool situation of different size and weight, can find the corresponding position of counterweight at guide frame all the time, to satisfy the different execution conditions requirement of rig.
Further, guide frame is guide rail, and the guiding movement structure is the chute that is opened on the counterweight bottom surface, and is simple in structure, and assembling is also convenient.
Further, the protective cover that arranges on the guide rail can prevent effectively that guide rail from colliding with, and can make guide rail preserve an amount of lubricating grease simultaneously.
Further, the label symbol of mark on the guide rail can be according to the drilling tool of different size and weight, determines fast and accurately the position that counterweight should the place.
Description of drawings
Fig. 1 is the counterweight of existing long-spiral drilling machine and the assembling schematic diagram of drilling machine platform;
Fig. 2 is the partial structurtes schematic diagram of drilling machine platform afterbody and counterweight part among a kind of embodiment of the present utility model;
Fig. 3 is the top view of Fig. 2.
The specific embodiment
The embodiment of long-spiral drilling machine of the present utility model: such as Fig. 2, shown in Figure 3, comprise drilling machine platform 2, drilling tool (not shown), counterweight 4 and counterweight drive unit, drilling tool is assemblied on the mast of front of drilling machine platform 2.The rearward end of drilling machine platform 2 be welded with two that extend back and about the guide rail 3 that is arranged in juxtaposition, offer on the bottom surface of counterweight 4 two along fore-and-aft direction extend and about the chute that is arranged in juxtaposition, two chutes and the one by one corresponding setting of two guide rails 3, counterweight 4 is placed on two guide rails 3 like this, and two guide rails 3 are inserted respectively in two chutes, can realize that counterweight 4 cooperates with the guiding movement of guide rail 3.The counterweight drive unit is hydraulic jack 1, and the cylinder body of hydraulic jack 1 is hinged on the drilling machine platform 2, the clutch end of piston rod is hinged on the rear end face of counterweight 4, and under the piston rod effect of hydraulic jack 1, counterweight 4 front and back on two guide rails are mobile like this.
During application, because drilling tool is arranged on the front of drilling machine platform 2, counterweight 4 is positioned at the back of drilling machine platform 2, and counterweight 4 just can play the effect of balance drilling tool weight like this; Meanwhile, according to the weight situation that hangs different drilling tools, change the front and back position of counterweight 4 on guide rail 3, just can guarantee that machine gravity can not have greatly changed, thereby guarantee the stability of complete machine, its control principle is: the weight of drilling tool is larger, after the position of counterweight is more leaned on.
In the present embodiment, in order to prevent that guide rail 3 from colliding with, be fixed with two at the rear end face of counterweight 4 and cover at respectively two protective covers 5 on the guide rail 3, protective cover 5 can also keep preserving an amount of lubricating grease on the guide rail 3, thereby reduces the sliding friction of counterweight 4 and guide rail 3.In addition, be provided with label symbol at the downside of guide rail 3, the effect of label symbol is the reference as balance position, with the drilling tool according to different size, can determine fast and accurately that counterweight should residing position.
During above-described embodiment concrete operations, the piston rod by control hydraulic jack 1 flexible regulated the position of counterweight 4 on guide rail 3, when piston rod stretches out, move after the counterweight 4, and when piston rod shrinks, counterweight 4 reaches; Under different execution conditions, according to the specification of drilling tool, and with label symbol as reference, regulate the position of counterweight, make rig under any circumstance can both keep balance.
In above-described embodiment, two guide rails are guide frame, and two chutes on the counterweight bottom surface are the guiding movement structure that cooperates with the guide frame guiding movement, in other embodiments, guide frame can be chute, and the guiding movement structure can be for being arranged on the adaptive structure of counterweight bottom surface and chute.Certainly, guide frame and guiding movement structure also can adopt the form of roller and track.
In other embodiments, the counterweight drive unit also can be selected cylinder or Electrohydraulic push rod.
Claims (5)
1. controlled long-spiral drilling machine of self center of gravity, comprise drilling machine platform, the back of drilling machine platform is provided with the counterweight for the balance drilling tool, it is characterized in that: the rearward end of described drilling machine platform is equipped with the counterweight support member, the counterweight support member has the guide frame that extends back, described counterweight is arranged on the back of drilling machine platform by guiding movement on it, that cooperate with described guide frame guiding movement, also is provided with on the described drilling machine platform as described counterweight the counterweight that moves forward and backward active force drive unit is provided.
2. the controlled long-spiral drilling machine of self center of gravity according to claim 1, it is characterized in that: described counterweight drive unit is hydraulic jack, and the cylinder body of hydraulic jack is hinged on the drilling machine platform, the clutch end of piston rod is hinged on the front end face of described counterweight.
3. the controlled long-spiral drilling machine of self center of gravity according to claim 1 and 2, it is characterized in that: described counterweight support member is the guide rail that is arranged in juxtaposition about two, described guiding movement structure be arranged in parallel at about two on the counterweight bottom surface, with two chutes that guide rail inserts respectively and is slidingly matched.
4. the controlled long-spiral drilling machine of self center of gravity according to claim 3 is characterized in that: be fixed with two on the rear end face of described counterweight and cover at respectively and be used for preventing the protective cover that guide rail collides with on two guide rails.
5. the controlled long-spiral drilling machine of self center of gravity according to claim 3 is characterized in that: also be marked with on the described guide rail for the label symbol of determining balance position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220567099 CN202866636U (en) | 2012-10-31 | 2012-10-31 | Long spiral drilling machine with self center of gravity controllable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220567099 CN202866636U (en) | 2012-10-31 | 2012-10-31 | Long spiral drilling machine with self center of gravity controllable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202866636U true CN202866636U (en) | 2013-04-10 |
Family
ID=48033362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220567099 Expired - Fee Related CN202866636U (en) | 2012-10-31 | 2012-10-31 | Long spiral drilling machine with self center of gravity controllable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202866636U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912218A (en) * | 2014-04-11 | 2014-07-09 | 上海中联重科桩工机械有限公司 | Rotary drilling rig and gravity center control method and system of entire machine |
| CN105973182A (en) * | 2016-08-02 | 2016-09-28 | 北方民族大学 | Individual drive type balancing device and adjusting method |
-
2012
- 2012-10-31 CN CN 201220567099 patent/CN202866636U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912218A (en) * | 2014-04-11 | 2014-07-09 | 上海中联重科桩工机械有限公司 | Rotary drilling rig and gravity center control method and system of entire machine |
| CN103912218B (en) * | 2014-04-11 | 2015-12-02 | 上海中联重科桩工机械有限公司 | Rotary drilling rig and car load gravity's center control method, system |
| CN105973182A (en) * | 2016-08-02 | 2016-09-28 | 北方民族大学 | Individual drive type balancing device and adjusting method |
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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 |
Granted publication date: 20130410 Termination date: 20141031 |
|
| EXPY | Termination of patent right or utility model |