CN113802991B - Automatic folding device of girder - Google Patents
Automatic folding device of girder Download PDFInfo
- Publication number
- CN113802991B CN113802991B CN202111224551.2A CN202111224551A CN113802991B CN 113802991 B CN113802991 B CN 113802991B CN 202111224551 A CN202111224551 A CN 202111224551A CN 113802991 B CN113802991 B CN 113802991B
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- Prior art keywords
- girder
- folding
- drag chain
- oil cylinder
- rack
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- 230000000295 complement effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 27
- 238000010276 construction Methods 0.000 abstract description 14
- 238000005553 drilling Methods 0.000 abstract description 11
- 239000010720 hydraulic oil Substances 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/046—Directional drilling horizontal drilling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of horizontal directional drilling machines, in particular to a girder folding device, which solves the problem that the existing drilling machine can only load drill rods of corresponding types and can not load drill rods of longer types. The automatic folding girder device comprises a girder main body, wherein a folding oil cylinder is arranged at the top of the girder main body through an oil cylinder seat, a rack seat is fixedly connected to the output end of the folding oil cylinder, a rack is fixed above the rack seat, a gear is arranged in a girder folding body, the gear is fixedly connected with the girder folding body through a spline housing, the rack is meshed with the lower part of the gear, the rack seat is horizontally and slidably connected with the girder main body, the girder main body is connected with the girder folding body through a pin shaft, and a sliding telescopic drag chain box device is arranged at the side end of the girder. According to the invention, the rack seat is pushed by the hydraulic oil cylinder, and the automatic folding and lengthening of the girder are realized by utilizing the characteristics of gear and rack transmission, so that the automatic folding and lengthening device is suitable for loading various types of drill rods, the whole operation is simpler, the automatic treatment is realized relatively, and the construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of horizontal directional drilling machines, in particular to an automatic girder folding device.
Background
The horizontal directional drilling machine is a construction machine for paving various underground public facilities under the condition of not excavating ground surface, is widely applied to flexible pipeline paving construction of water supply, electric power, telecommunication, natural gas, coal gas, petroleum and the like, is suitable for the ground conditions of sandy soil, clay, and the like, has higher underground water level and is unsuitable for construction in most of non-hard rock areas in China.
In the construction process of the trenchless pipe laying drilling machine, the girder is one of important key components of the trenchless pipe laying drilling machine, and the construction guiding of the drilling machine and the provision of a working platform are controlled in the construction process. In the construction process, the girder adjusts the construction angle under the drive of the hydraulic cylinder, and the power mechanism can stably and frequently work to provide a solid foundation.
In the prior art, the girder of the trenchless pipe laying drilling machine is generally matched with a drill rod with fixed length and shorter length and can only be downward compatible. In some narrow working environments, the length of a girder of a drilling machine is limited by environmental influences, and only a short girder type can be implemented, so that the drilling machine becomes a special drilling machine in a certain sense; for most open construction sites, the fact that these drills are not compatible with long drill rods can only be used for constructing short drill rods, which results in prolonged construction period, is forced to give up practical use.
Disclosure of Invention
The invention aims to provide an automatic girder folding device, which solves the problem that a short girder cannot be loaded with a long drill rod in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an automatic girder folding device comprises a girder main body, and is characterized in that one end of the girder main body is welded with a cylinder seat and is connected with a folding cylinder, the output end of the folding cylinder is connected with a rack seat, the upper part of the rack seat is fixedly connected with a rack, a gear is arranged in the girder folding body and is connected with the girder folding body through a spline housing, the girder main body is connected with the girder folding body, a sliding telescopic drag chain box device is fixedly welded on the back of the girder main body, wherein,
the sliding telescopic drag chain box device comprises a drag chain box, the drag chain box is provided with a slide way and a drag chain oil cylinder seat, a sliding drag chain tray is installed in the slide way, one end of the sliding drag chain tray is fixedly connected with the tray oil cylinder seat, the tray oil cylinder seat is connected with the drag chain oil cylinder through a drag chain oil cylinder pin, and the other end of the drag chain oil cylinder is connected with the drag chain oil cylinder seat through a drag chain oil cylinder pin.
Preferably, a U-shaped slideway is arranged in the drag chain box, and the sliding drag chain tray is arranged in the slideway and can slide horizontally and directionally.
Preferably, a rectangular avoidance channel is arranged in the drag chain box, and the tray cylinder seat can horizontally move in the avoidance channel.
Preferably, the girder folding body is internally provided with a spline hole, two ends of the spline hole are provided with snap spring grooves, the inside of the gear is provided with the spline hole, the spline hole of the gear is identical with the spline hole of the girder folding body, the spline housing fixedly connects the gear and the girder folding body, two ends of the spline hole of the girder folding body are provided with snap springs, the girder main body is internally provided with a sliding groove, the rack seat is arranged in the sliding groove and can horizontally move in an oriented mode, and the rack is meshed with the gear.
Preferably, the two ends of the girder pin shaft, the folding oil cylinder pin shaft and the drag chain oil cylinder pin shaft are respectively provided with a clamp spring.
Preferably, the missing portion of the right lower end of the girder body is the same and complementary shape and size as the lower end of the girder folder.
Preferably, the end part of the girder main body is provided with a connecting plate, the connecting plate is provided with a round hole, the girder folding body is provided with a connecting plate, and the connecting plate is provided with a screw hole; when the girder folding body is unfolded, the girder main body forehead connecting plate is fixedly connected with the girder folding body connecting plate through screws.
The invention has at least the following beneficial effects:
the automatic girder folding device disclosed by the invention has the advantages that the gear seat is pushed by the hydraulic oil cylinder, the girder folding body is driven to rotate by utilizing the characteristics of gear and rack transmission, so that the long girder and the short girder are replaced with each other, the sliding towing chain tray is pushed by the towing chain oil cylinder to lengthen and shorten the towing chain track, and the automatic girder folding device can be used for construction in a narrow environment and also can be used for construction in an open environment without influencing the construction progress.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a girder folding structure of the present invention;
FIG. 2 is a schematic view of a slide telescopic drag chain case of the present invention;
FIG. 3 is an expanded view of a girder of the present invention;
fig. 4 is a schematic view of the girder in a folded state according to the present invention.
In the figure: 1. a girder main body; 101. an oil cylinder seat; 102. a track; 103. a connecting plate; 2. sliding telescopic drag chain box device; 201. a drag chain box; 2011. a slideway; 2012. an oil cylinder seat; 2013. avoidance of the road; 202. a sliding tray; 203. clamping springs; 204. a drag chain oil cylinder; 205. a drag chain oil cylinder pin shaft; 206. a drag chain oil cylinder seat; 3. a bolt; 4. clamping springs; 5. an inner clamp spring; 6. a girder folding body; 601. a spline hole; 602. a connecting plate; 7. clamping springs; 8. folding oil cylinder; 9. the folding cylinder pin shaft; 10. a rack seat; 11. a rack; 12. a girder pin shaft; 13. a gear; 1301. a spline hole; 14. and a spline housing.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-4, an automatic girder folding device comprises a girder main body 1, wherein one end of the girder main body 1 is welded with a cylinder seat 101 and is connected with a folding cylinder 8, the output end of the folding cylinder 8 is connected with a rack seat 10, the rack seat 10 and a rack 11 are welded into a whole, a gear 13 is arranged in a girder folding body 6, the gear 13 is connected with the girder folding body 6 through a spline housing 14, the girder main body 1 is connected with the girder folding body 6, the back of the girder main body 1 is fixedly welded with a sliding telescopic drag chain box device 2,
the sliding telescopic drag chain box device 2 comprises a drag chain box 201, wherein the drag chain box 201 is provided with a slide 2011 and a drag chain cylinder seat 2012, a sliding drag chain tray 202 is installed in the slide 2011, one end of the sliding drag chain tray 202 is fixedly connected with a tray cylinder seat 206, the tray cylinder seat 206 is connected with a drag chain cylinder 204 through a drag chain cylinder pin 205, and the other end of the drag chain cylinder 204 is connected with the drag chain cylinder seat 2012 through the drag chain cylinder pin 205.
Specifically, the proposal drives the girder folding body to rotate by the transmission cooperation of the rack 11 and the gear 13 through the pushing of the folding oil cylinder 8, thereby realizing the increase of the length of the girder; the drag chain oil cylinder 204 is utilized to push the sliding drag chain tray 202, so that the stroke length of the drag chain is prolonged; the whole operation is simple, and the automatic treatment is relatively realized.
The scheme comprises the following working processes:
when the hydraulic oil enters the folding oil cylinder 8 and pushes the rack seat 10 to move rightwards, a rack 11 connected with the rack seat 10 drives a gear 13 to rotate in the process of moving the rack seat 10, the gear 13 drives a girder folding body 6 through a spline housing 14, when the girder main body 1 and the girder folding body 6 are horizontal, the girder main body 1 and the girder folding body 6 are locked and fixed through a bolt 3, when the hydraulic oil flows out of a drag chain oil cylinder 204, a push rod retracts to drive a sliding drag chain tray 202 to slide backwards, and thus the total length of the girder is lengthened and the drag chain track is lengthened; when the hydraulic oil flows out of the folding oil cylinder 8 and pulls the rack seat 10 to move leftwards, the rack 11 connected with the rack seat 10 drives the gear 13 to rotate, the gear 13 drives the girder folding body 6 through the spline housing 14, the girder main body 1 and the girder folding body 6 are folded, meanwhile, the hydraulic oil flows into the drag chain oil cylinder 204, the ejector rod pushes the sliding drag chain tray 202 to slide forwards, and therefore the total length of the girder is shortened and the drag chain track is shortened.
The working process can be as follows:
according to the automatic girder folding device, the rack seat 10 is pushed by the hydraulic cylinder, the purpose of girder growth or shortening is achieved by utilizing the transmission characteristics of the gear 13 and the rack 11, meanwhile, the sliding drag chain tray is pushed by the hydraulic cylinder, so that the stroke of a power head mechanism is increased, the whole operation is simple, and the automatic treatment is relatively achieved.
Further, in the folded state of the girder, the rack 11 is engaged with the gear 13, and the top of the rack 11 must not exceed the diameter of the gear 13, so as to prevent the rack 11 from interfering with the girder folded body 6.
Further, the rail 102 is composed of two half-enclosing structures, so that the rack mount 10 can move only in a horizontal straight line.
Furthermore, the girder main body 1 and the girder folding body 6 are welded with rib plates, and the rib plates are U-shaped, so that the folding oil cylinder 8 can be installed in the girder main body, and the space is reasonably optimized.
Further, a spline hole 601 is formed in the girder folding body 6, snap spring grooves are formed in two ends of the spline hole 601, a spline hole 1301 is formed in the gear 13, the spline hole 1301 of the gear 13 is identical to the spline hole 601 of the girder folding body 6, the gear 13 and the girder folding body 6 are fixedly connected through a spline housing 14, snap springs are mounted in two ends of the spline hole 601 of the girder folding body 6, a sliding groove 102 is formed in the girder main body 1, a rack seat 10 is mounted in the sliding groove 102 and can move horizontally and directionally, and a rack 11 is meshed with the gear 13.
Further, a U-shaped slideway is arranged in the drag chain box 201, and the sliding drag chain tray 202 is arranged in the slideway and can slide horizontally and directionally.
Further, an avoidance channel 2013 is provided in the drag chain case 201, and the tray cylinder base 206 can move horizontally in the avoidance channel 2013.
Furthermore, the missing part of the right lower end of the girder main body 1 is the same as and complementary with the shape and the size of the lower end of the girder folding body 6, so that the whole is attractive and the space is reasonably optimized.
Further, the end part of the girder main body 1 is provided with a connecting plate 103, the connecting plate 103 is provided with a round hole, the girder folding body 6 is provided with a connecting plate 602, and the connecting plate 602 is provided with a screw hole; when the girder folding body 6 is unfolded, the connecting plate 103 is fixedly connected with the connecting plate 602 through screws.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The automatic girder folding device comprises a girder main body (1), and is characterized in that one end of the girder main body (1) is welded with an oil cylinder seat (101), the oil cylinder seat (101) is connected with a folding oil cylinder (8), the output end of the folding oil cylinder (8) is connected with a rack seat (10), the upper part of the rack seat (10) is fixedly connected with a rack (11), a gear (13) is arranged in a girder folding body (6), the gear (13) is connected with the girder folding body (6) through a spline housing (14), the girder main body (1) is connected with the girder folding body (6), the back of the girder main body (1) is fixedly welded with a sliding telescopic towing chain box device (2),
the sliding telescopic drag chain box device (2) comprises a drag chain box (201), wherein the drag chain box (201) is provided with a slideway (2011) and a drag chain oil cylinder seat (2012), a sliding drag chain tray (202) is installed in the slideway (2011), one end of the sliding drag chain tray (202) is fixedly connected with a tray oil cylinder seat (206), the tray oil cylinder seat (206) is connected with a drag chain oil cylinder (204) through a drag chain oil cylinder pin (205), and the other end of the drag chain oil cylinder (204) is connected with the drag chain oil cylinder seat (2012) through the drag chain oil cylinder pin (205);
a U-shaped slideway (2011) is arranged in the drag chain box (201), and the sliding drag chain tray (202) is arranged in the slideway (2011) and can horizontally and directionally slide;
a rectangular avoidance channel (2013) is arranged in the drag chain box (201), and the tray cylinder seat (206) can horizontally move in the avoidance channel (2013);
a first spline hole (601) is formed in the girder folding body (6), clamp spring grooves are formed in two ends of the first spline hole (601), a second spline hole (1301) is formed in the gear (13), the first spline hole (601) is identical to the second spline hole (1301), the gear (13) is fixedly connected with the first spline hole (601) through a spline housing (14), a second clamp spring (5) is installed at two ends of the first spline hole (601), a sliding groove (102) is formed in the girder main body (1), the rack seat (10) is installed in the sliding groove (102) and can move horizontally and directionally, and the rack (11) is meshed with the gear (13);
the two ends of the girder pin shaft (12) are provided with first clamp springs (4), the two ends of the folding cylinder pin shaft (9) are provided with third clamp springs (7), and the two ends of the drag chain cylinder pin (205) are provided with fourth clamp springs (203).
2. The automatic girder folding device according to claim 1, wherein the missing portion of the right lower end of the girder main body (1) is the same and complementary in shape and size to the lower end of the girder folding body (6).
3. The automatic girder folding device according to claim 1, wherein a first connecting plate (103) is arranged at the end part of the girder main body (1), a round hole is arranged on the first connecting plate (103), a second connecting plate (602) is arranged on the girder folding body (6), and a screw hole is arranged on the second connecting plate (602); when the girder folding body (6) stretches out, the first connecting plate (103) is fixedly connected with the second connecting plate (602) through the screw (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111224551.2A CN113802991B (en) | 2021-10-21 | 2021-10-21 | Automatic folding device of girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111224551.2A CN113802991B (en) | 2021-10-21 | 2021-10-21 | Automatic folding device of girder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113802991A CN113802991A (en) | 2021-12-17 |
| CN113802991B true CN113802991B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111224551.2A Active CN113802991B (en) | 2021-10-21 | 2021-10-21 | Automatic folding device of girder |
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| Country | Link |
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| CN (1) | CN113802991B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3126104A1 (en) * | 1980-12-02 | 1982-07-01 | VEB Baumechanik Magdeburg, 3101 Königsborn | Process and installation for the automatic moulding and production of concrete elements |
| JP2016175666A (en) * | 2015-03-19 | 2016-10-06 | 日清食品ホールディングス株式会社 | Transfer line and composite container manufacturing apparatus having the same |
| CN107736324A (en) * | 2017-10-27 | 2018-02-27 | 安徽江淮重工机械有限公司 | A kind of pesticide spray truck supports arm configuration |
| CN109969993A (en) * | 2019-04-02 | 2019-07-05 | 安徽好运机械有限公司 | A kind of flexible pipe-line system of four joint arm fork trucks |
| CN209972880U (en) * | 2019-05-30 | 2020-01-21 | 晋江市铠源机械科技有限公司 | Automatic pile material collecting device who scalds mark machine |
| CN112648340A (en) * | 2020-12-31 | 2021-04-13 | 徐州亚恒工程机械科技有限公司 | Telescopic high-altitude operation vehicle drag chain system |
-
2021
- 2021-10-21 CN CN202111224551.2A patent/CN113802991B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3126104A1 (en) * | 1980-12-02 | 1982-07-01 | VEB Baumechanik Magdeburg, 3101 Königsborn | Process and installation for the automatic moulding and production of concrete elements |
| JP2016175666A (en) * | 2015-03-19 | 2016-10-06 | 日清食品ホールディングス株式会社 | Transfer line and composite container manufacturing apparatus having the same |
| CN107736324A (en) * | 2017-10-27 | 2018-02-27 | 安徽江淮重工机械有限公司 | A kind of pesticide spray truck supports arm configuration |
| CN109969993A (en) * | 2019-04-02 | 2019-07-05 | 安徽好运机械有限公司 | A kind of flexible pipe-line system of four joint arm fork trucks |
| CN209972880U (en) * | 2019-05-30 | 2020-01-21 | 晋江市铠源机械科技有限公司 | Automatic pile material collecting device who scalds mark machine |
| CN112648340A (en) * | 2020-12-31 | 2021-04-13 | 徐州亚恒工程机械科技有限公司 | Telescopic high-altitude operation vehicle drag chain system |
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| Publication number | Publication date |
|---|---|
| CN113802991A (en) | 2021-12-17 |
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