CN201396075Y - Mechanical tripod - Google Patents
Mechanical tripod Download PDFInfo
- Publication number
- CN201396075Y CN201396075Y CN2009201076939U CN200920107693U CN201396075Y CN 201396075 Y CN201396075 Y CN 201396075Y CN 2009201076939 U CN2009201076939 U CN 2009201076939U CN 200920107693 U CN200920107693 U CN 200920107693U CN 201396075 Y CN201396075 Y CN 201396075Y
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- CN
- China
- Prior art keywords
- supporting leg
- mechanical
- legged support
- leg
- top board
- 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 - Lifetime
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Abstract
A mechanical tripod comprises a triangular top plate and three legs. The top portion of each corner of the triangular top plate is fixed with a positioning clamp, the bottom portion of each corner ofthe triangular top plate is fixed with a leg rotary part, the leg rotary part comprises a connecting portion and a rotating rod which are fixed with the triangular top plate, the upper end of each legis provided with a radial hole, each leg is sleeved on each rotating rod via the radial hole and can rotate around the rotating rod, the lower portion of each leg is a hollow pipe, and the bottom ofeach leg is pressed on a regulating floor stand. The mechanical tripod utilizes the pure mechanical structure, is simple in structure, small in volume, light in weight and convenient in installation without external power, and can conveniently adjust height with flexible and convenient operation by rotating the legs around the rotating rods and regulating the regulating floor stands on the bottomsof the legs. In addition, the mechanical tripod is adaptable to operating environments with narrow spaces such as interval shallow-buried concealed excavated tunnels and the like, can give full playto the advantages of heavy-duty drilling machines, and guarantees drilling effect of the drilling machines.
Description
Technical field
The utility model relates to a kind of support that is used to support rig, relates in particular to a kind of mechanical three-legged support.
Background technology
The interval buried depth of building of the subway 10-20 rice that generally locates below ground level, penetrating ground is mainly and dashes the Quaternary Period, diluvial formation, comprising land pebble, circle gravel soil, ovum gravel stratum, self-stable ability extreme difference.Adopt the interval of shallow burial hidden digging construction,, need carry out leading grouting with small pipe supporting usually for the stability on improvement stratum.Leading ductule construction, when meeting with above-mentioned stratum, light-duty drilling tool is difficult to pore-forming, must introduce heavy duty drill.But the mounting system of existing heavy duty drill is bulky, health heavy, because running tunnel excavation cavern is less, makes extremely inconvenience of operation to make the advantage of heavy duty drill be difficult to put to good use, has had a strong impact on the drilling effect of rig.In addition, the expansion link of the mounting system of existing heavy duty drill adopts air motor to adjust, and air motor adopts high-pressure blast that power is provided, and also needs connecting line on air motor when therefore constructing, and pipeline is pulled to outside the cavern, therefore use extremely inconvenient.
The utility model content
The technical problems to be solved in the utility model provides that a kind of volume is little, in light weight, easy for installation, flexible and convenient operation, the suitable mechanical three-legged support that carries out interval shallow buried covered excavation tunnel, can guarantee the rig drilling effect.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of mechanical three-legged support, comprise triangle top board and three supporting legs, the top at each place, angle of described triangle top board is fixed with locator card, the bottom at each place, angle of described triangle top board is fixed with a supporting leg revolving part, described supporting leg revolving part comprises connecting portion and the swingle that fixes with the triangle top board, the upper end of described supporting leg has radial hole, and described supporting leg is enclosed within on the swingle by radial hole, and described supporting leg can rotate around swingle; The bottom of described supporting leg is a hollow section, and the bottom of described supporting leg is pressed in to be regulated in the ground holder; The internal diameter of supporting leg bottom is slightly larger than the external diameter of screw rod, and screw rod is just penetrated in the supporting leg.
Mechanical three-legged support of the present utility model, the connecting portion of wherein said supporting leg revolving part is two connecting rods, the two ends of described connecting rod link to each other with the two ends of swingle by an extension rod respectively, and described connecting rod parallels with the triangle top board, the equal in length of described two extension rods.
Mechanical three-legged support of the present utility model, wherein said locator card are the L type.
Mechanical three-legged support of the present utility model, wherein said adjusting ground holder comprises feet, is fixed on the screw rod at feet top and the nut that matches with screw rod, and the top of screw rod penetrates in the supporting leg, and supporting leg is pressed on the nut.
Mechanical three-legged support of the present utility model, wherein said supporting leg revolving part and locator card all adopt the reinforcing bar bending to form.
Mechanical three-legged support of the present utility model, wherein said supporting leg adopts steel pipe.
The utility model machinery three-legged support adopts pure frame for movement, and is simple in structure, need not utilize exterior power, and volume is little, in light weight, and is easy for installation, and supporting leg can rotate around swingle, thereby can regulate the height of support easily.By regulating the adjusting ground holder of supporting leg bottom, also can adjust the height of support, the amplitude of Height Adjustment is bigger, flexible and convenient operation, suit to carry out narrow and small, the on-the-spot operating environments complicated and changeable in space such as interval shallow buried covered excavation tunnel, can give full play to the advantage of heavy duty drill, guarantee the drilling effect of rig.
Description of drawings
Fig. 1 is the front view of the utility model machinery three-legged support;
Fig. 2 is the stereogram of supporting leg axis of rotation;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is an A-A sectional drawing among Fig. 3;
Fig. 5 is the front view of the utility model machinery three-legged support user mode;
Fig. 6 is the vertical view of the utility model machinery three-legged support user mode.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 4, mechanical three-legged support of the present utility model comprises triangle top board 1 and three supporting legs 2, and the welded top at triangle top board 1 each place, angle has locator card 3, and locator card 3 is the L type in the present embodiment, adopts the reinforcing bar bending to form.The bottom at triangle top board 1 each place, angle is fixed with a supporting leg revolving part 4, supporting leg revolving part 4 comprises connecting portion and the swingle 41 that fixes with triangle top board 1, the upper end of supporting leg 2 has radial hole 21, supporting leg 2 is enclosed within on the swingle 41 by radial hole 21, supporting leg 2 can rotate around swingle 41, thereby can regulate the height of support.As shown in Figure 2, the connecting portion of supporting leg revolving part 4 is two connecting rods 43 in the present embodiment, and the two ends of connecting rod 43 link to each other with the two ends of swingle 41 by an extension rod 42 respectively.Connecting rod 43 parallels with triangle top board 1, the equal in length of two extension rods 42, and the angle between extension rod 42 and the connecting rod 43 is the obtuse angle, the angle between swingle 41 and the extension rod 42 is the right angle.Angle between extension rod 42 and the connecting rod 43 also can be an acute angle, and the angle between swingle 41 and the extension rod 42 also can be acute angle or obtuse angle.Connecting rod 43, extension rod 42 and swingle 41 are one, adopt the reinforcing bar bending to form.Connecting portion also can be a junction plate, and connecting portion can fix by bolt and triangle top board 1, also can be welded on the triangle top board 1.The bottom of supporting leg 2 is a hollow section, and supporting leg 2 can adopt steel pipe.The bottom of supporting leg 2 is pressed in to be regulated in the ground holder 5.Regulate ground holder 5 in the present embodiment and comprise feet 51, be welded on the screw rod 52 at feet 51 tops and the nut 53 that matches with screw rod 52, the top of screw rod 52 penetrates in the supporting leg 2, and supporting leg 2 is pressed on the nut 53.The internal diameter of supporting leg 2 is slightly larger than the external diameter of screw rod 52, and screw rod 52 is just penetrated in the supporting leg 2.
When using the utility model machinery three-legged support, select the quantity of support, can use 1 cover, 2 covers or more according to the operating environment at scene.When using the mechanical three-legged support of a cover, mechanical three-legged support is supported on the front end of borer rail, the rear end of borer rail can be supported on the ground.Fig. 5 is separately positioned on the front and back end of borer rail 6 with the user mode figure that Figure 6 shows that the mechanical three-legged support of use two covers, the mechanical three-legged support of two covers.During use, reach by making supporting leg 2 by the adjusting ground holder 5 of regulating supporting leg 1 bottom earlier around swingle 41 rotations, the height and position of support is adjusted and located, the feet 51 of regulating holder 5 bottoms, ground this moment is stuck in the ground 7, then borer rail 6 is placed on the support, make borer rail 6 between relative locator card 3, at last rig 8 is placed on the borer rail 6, can begin the work of creeping into.After the working cycles, take off rig 8 and borer rail 6, it is in place again to adjust backing positions.
Mechanical three-legged support of the present utility model has the following advantages:
(1) mechanical three-legged support is pure frame for movement, and is simple in structure, need not utilize exterior power, and volume is little, in light weight, and is easy for installation, and supporting leg 2 can rotate around swingle 41, thereby can regulate the height of support easily.In addition, by regulating the adjusting ground holder 5 of supporting leg 2 bottoms, also can adjust the height of support, the amplitude of Height Adjustment is bigger, flexible and convenient operation, suit to carry out narrow and small, the on-the-spot operating environments complicated and changeable in space such as interval shallow buried covered excavation tunnel, can give full play to the advantage of heavy duty drill, guarantee the drilling effect of heavy duty drill;
(2) position of adopting locator card 3 to limit borer rails 6, prevent borer rail 6 because the vibrations during rig work and move left and right, and by making supporting leg 2 around swingle 41 rotations, can increase the Area of bearing of heavy duty drill, the maximum support area is 12.6 times of triangle top board, make heavy duty drill have enough Area of bearing, good stability, the reaction force that is subjected in the time of can bearing heavy duty drill work fully.
Above-described embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (6)
1, a kind of mechanical three-legged support, it is characterized in that: comprise triangle top board (1) and three supporting legs (2), the top at each place, angle of described triangle top board (1) is fixed with locator card (3), the bottom at each place, angle of described triangle top board (1) is fixed with a supporting leg revolving part (4), described supporting leg revolving part (4) comprises connecting portion and the swingle (41) that fixes with triangle top board (1), the upper end of described supporting leg (2) has radial hole (21), described supporting leg (2) is enclosed within on the swingle (41) by radial hole (21), and described supporting leg (2) can rotate around swingle (41); The bottom of described supporting leg (2) is a hollow section, and the bottom of described supporting leg (2) is pressed in to be regulated in the ground holder (5).
2, mechanical three-legged support according to claim 1, it is characterized in that: the connecting portion of described supporting leg revolving part (4) is two connecting rods (43), the two ends of described connecting rod (43) link to each other with the two ends of swingle (41) by an extension rod (42) respectively, described connecting rod (43) parallels with triangle top board (1), the equal in length of described two extension rods (42).
3, mechanical three-legged support according to claim 2 is characterized in that: described locator card (3) is the L type.
4, according to each described mechanical three-legged support of claim 1-3, it is characterized in that: described adjusting ground holder (5) comprises feet (51), is fixed on the screw rod (52) at feet (51) top and the nut (53) that matches with screw rod (52), the top of screw rod (52) penetrates in the supporting leg (2), and supporting leg (2) is pressed on the nut (53); The internal diameter of supporting leg (2) bottom is slightly larger than the external diameter of screw rod (52), and screw rod (52) is just penetrated in the supporting leg (2).
5, mechanical three-legged support according to claim 4 is characterized in that: described supporting leg revolving part (4) and locator card (3) all adopt the reinforcing bar bending to form.
6, mechanical three-legged support according to claim 5 is characterized in that: described supporting leg (2) adopts steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201076939U CN201396075Y (en) | 2009-05-08 | 2009-05-08 | Mechanical tripod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201076939U CN201396075Y (en) | 2009-05-08 | 2009-05-08 | Mechanical tripod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201396075Y true CN201396075Y (en) | 2010-02-03 |
Family
ID=41618581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201076939U Expired - Lifetime CN201396075Y (en) | 2009-05-08 | 2009-05-08 | Mechanical tripod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201396075Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352655A (en) * | 2013-06-19 | 2013-10-16 | 山东华宇职业技术学院 | Hollow drill rod drilling machine unit for surface drilling |
| CN103967422A (en) * | 2014-05-13 | 2014-08-06 | 葛洲坝集团第五工程有限公司 | Liftable wedge-shaped cut hole drilling support for tunnel excavation and installation method thereof |
| CN104314474A (en) * | 2014-09-26 | 2015-01-28 | 国家电网公司 | Triangular support leg of miniature drilling machine for rock bolt of power transmission line |
| CN108240181A (en) * | 2017-12-15 | 2018-07-03 | 龙口矿业集团有限公司 | Top machine collet stabilizer |
| CN109750987A (en) * | 2019-02-15 | 2019-05-14 | 中国三峡建设管理有限公司 | Bottom plate Excavation Blasting control device and application method |
-
2009
- 2009-05-08 CN CN2009201076939U patent/CN201396075Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352655A (en) * | 2013-06-19 | 2013-10-16 | 山东华宇职业技术学院 | Hollow drill rod drilling machine unit for surface drilling |
| CN103352655B (en) * | 2013-06-19 | 2015-11-18 | 山东华宇职业技术学院 | Ground drilling hollow drill rig group |
| CN103967422A (en) * | 2014-05-13 | 2014-08-06 | 葛洲坝集团第五工程有限公司 | Liftable wedge-shaped cut hole drilling support for tunnel excavation and installation method thereof |
| CN104314474A (en) * | 2014-09-26 | 2015-01-28 | 国家电网公司 | Triangular support leg of miniature drilling machine for rock bolt of power transmission line |
| CN108240181A (en) * | 2017-12-15 | 2018-07-03 | 龙口矿业集团有限公司 | Top machine collet stabilizer |
| CN109750987A (en) * | 2019-02-15 | 2019-05-14 | 中国三峡建设管理有限公司 | Bottom plate Excavation Blasting control device and application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHENGDU RANKEN RAILWAY CONSTRUCTION GROUP CO., LTD Free format text: FORMER NAME: CHENGDU RANKEN RAILWAY CONSTRUCTION, LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 610015 Sichuan province Chengdu City Shuncheng Street No. 206 Sichuan International Building 19 buildings A Patentee after: Chengdu Ranken Railway Construction Group Co., Ltd. Address before: 610015 Sichuan province Chengdu City Shuncheng Street No. 206 Sichuan International Building 19 buildings A Patentee before: Chengdu Ranken Railway Construction, Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610015 Sichuan province Chengdu City Shuncheng Street No. 206 Sichuan International Building 19 buildings A Patentee after: RANKEN RAILWAY CONSTRUCTION GROUP CO., LTD. Address before: 610015 Sichuan province Chengdu City Shuncheng Street No. 206 Sichuan International Building 19 buildings A Patentee before: Chengdu Ranken Railway Construction Group Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100203 |