CN113802991A - Automatic folding device of girder - Google Patents
Automatic folding device of girder Download PDFInfo
- Publication number
- CN113802991A CN113802991A CN202111224551.2A CN202111224551A CN113802991A CN 113802991 A CN113802991 A CN 113802991A CN 202111224551 A CN202111224551 A CN 202111224551A CN 113802991 A CN113802991 A CN 113802991A
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- Prior art keywords
- girder
- folding
- oil cylinder
- drag chain
- rack
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Links
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 35
- 238000005553 drilling Methods 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract description 12
- 239000010720 hydraulic oil Substances 0.000 abstract description 8
- 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
- 230000007613 environmental effect Effects 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
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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
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- 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 problems that the existing drilling machine can only load a drill rod with a corresponding model and can not load a drill rod with a longer model. The automatic folding girder device comprises a girder main body, wherein a folding oil cylinder is installed 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 the girder folding body, the gear is fixedly connected with the girder folding body through a spline sleeve, the lower portion of the gear is meshed with the rack, 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 tow 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 girder can be suitable for loading various types of drill rods, the whole operation is simpler, the automatic treatment is relatively realized, 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 folding device for a crossbeam.
Background
The horizontal directional drilling machine is a construction machine for laying various underground utilities without digging ground surface, and is widely applied to the laying construction of flexible pipelines for water supply, electric power, telecommunication, natural gas, petroleum and the like, and is suitable for the conditions of sandy soil, clay, and the like, and the underground water level is high and the pebble stratum is not suitable for the construction of most 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 guide of the drilling machine and the operation platform are controlled in the construction process. In the construction process, the girder is driven by the hydraulic cylinder to adjust the construction angle, 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 fixed and shorter-length drill pipe and can only be downward compatible. In some narrow working environments, the length of a girder of a drilling machine is limited by environmental influence, only models of short girders can be implemented, and the drilling machines become special drilling machines in a certain sense; for most of open construction sites, the drilling machines cannot be compatible with long drill rods and can only be used for constructing short drill rods, so that the construction period is prolonged, and the drilling machines are forced to give up practicality.
Disclosure of Invention
The invention aims to provide an automatic girder folding device, which solves the problem that a short girder in the prior art cannot load a long drill rod.
In order to achieve the purpose, the invention adopts the following technical scheme:
a girder automatic folding device comprises a girder main body, and is characterized in that one end of the girder main body is connected with a welding oil cylinder seat, the output end of the folding oil cylinder is connected with a rack seat, a rack is fixedly connected above the rack seat, a gear is arranged in the girder folding body, the gear is connected with the girder folding body through a spline sleeve, the girder main body is connected with the girder folding body, the back of the girder main body is fixedly welded with a sliding telescopic tow chain box device, wherein,
the sliding telescopic tow chain box device comprises a tow chain box, the tow chain box is provided with a slide way and a tow chain oil cylinder seat, a sliding tow chain tray is installed in the slide way, one end of the sliding tow chain tray is fixedly connected with the tray oil cylinder seat, the tray oil cylinder seat is connected with a tow chain oil cylinder through a tow chain oil cylinder pin, and the other end of the tow chain oil cylinder is connected with the tow chain oil cylinder seat through the tow 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 horizontally slide in a directional manner.
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, the two ends of the spline hole are provided with clamp spring grooves, the gear is internally provided with the spline hole, the spline hole of the gear is the same as the spline hole of the girder folding body, the gear and the girder folding body are fixedly connected through a spline sleeve, the clamp springs are installed at the two ends of the spline hole of the girder folding body, the girder main body is internally provided with a sliding groove, a rack seat is installed in the sliding groove and can move horizontally and directionally, and a rack is meshed with the gear.
Preferably, snap springs are arranged at two ends of the girder pin shaft, the folding oil cylinder pin shaft and the tow chain oil cylinder pin shaft.
Preferably, the missing part of the right lower end of the girder main body is the same as and complementary to the shape and size of the lower end of the girder folded body.
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 stretched, the girder main body connecting plate is fixedly connected with the girder folding body through screws.
The invention has at least the following beneficial effects:
the automatic girder folding device provided by the invention has the advantages that the gear seat is pushed by the hydraulic oil cylinder, the foldable girder body is driven to rotate by utilizing the transmission characteristics of the gear and the rack, so that the long girder and the short girder are mutually replaced, the sliding drag chain tray is pushed by the drag chain oil cylinder to lengthen and shorten the drag chain track, and the automatic girder folding device can be constructed in a narrow environment and 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 needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of a girder folding structure according to the present invention;
FIG. 2 is a schematic view of the sliding retractable drag chain case according to the present invention;
FIG. 3 is a schematic view of the girder of the present invention being spread open;
FIG. 4 is a schematic view of a girder of the present invention in a folded state.
In the figure: 1. a girder main body; 101. a cylinder block; 102. a track; 103. a connecting plate; 2. a sliding telescopic tow chain box device; 201. a drag chain box; 2011. a slideway; 2012. a cylinder block; 2013. avoiding the way; 202. a sliding tray; 203. a clamp spring; 204. a drag chain oil cylinder; 205. a drag chain oil cylinder pin shaft; 206. a drag chain cylinder base; 3. a bolt; 4. a clamp spring; 5. an inner snap spring; 6. a girder folding body; 601. a splined bore; 602. a connecting plate; 7. a clamp spring; 8. folding the oil cylinder; 9. folding the oil cylinder pin shaft; 10. a rack seat; 11. a rack; 12. a girder pin shaft; 13. a gear; 1301. a splined bore; 14. a spline housing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, a girder automatic folding device comprises a girder main body 1, one end of the girder main body 1 is welded with a cylinder seat 101 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 tow chain box device 2, wherein,
the sliding telescopic drag chain box device 2 comprises a drag chain box 201, the drag chain box 201 is provided with a slide 2011 and a drag chain oil 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 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.
Specifically, the folding oil cylinder 8 is pushed to drive the girder folding body to rotate through the transmission matching of the rack 11 and the gear 13, so that the length of the girder is increased; the drag chain oil cylinder 204 is used for pushing 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 has the following working processes:
when the hydraulic oil-hydraulic drawing device is used in an open field, when hydraulic oil enters the folding oil cylinder 8 to push the rack seat 10 to move rightwards, in the moving process of the rack seat 10, 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 sleeve 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 the bolt 3, when the hydraulic oil flows out of the drag chain oil cylinder 204, the mandril retracts to drive the sliding drag chain tray 202 to slide backwards, and therefore the total length of the girder is lengthened and the drag chain track is lengthened; when the hydraulic oil tractor is used in a narrow place, when hydraulic oil flows out of the folding oil cylinder 8, the rack seat 10 is pulled 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 sleeve 14, the girder main body 1 and the girder folding body 6 are in a folding shape, meanwhile, the hydraulic oil flows into the drag chain oil cylinder 204, and the ejector rod pushes the sliding drag chain tray 202 to slide forwards, so that the total length of a girder is shortened and drag chain tracks are shortened.
According to the working process, the following steps are known:
the automatic girder folding device provided by the invention has the advantages that the rack seat 10 is pushed by the hydraulic oil cylinder, the purpose of lengthening or shortening the girder is realized by utilizing the transmission characteristic of the gear 13 and the rack 11, meanwhile, the hydraulic cylinder is utilized to push the sliding drag chain tray so as to increase the stroke of the power head mechanism, the whole operation is simple, and the automatic treatment is relatively realized.
Further, when the girder is folded, the rack 11 is engaged with the gear 13, and the top of the rack 11 should 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-enclosed structures, so that the rack housing 10 can move only in a horizontal straight line.
Furthermore, rib plates are welded on the girder main body 1 and the girder folding body 6 and are U-shaped, so that the folding oil cylinder 8 can be installed in the girder folding body, and the space is reasonably optimized.
Furthermore, a spline hole 601 is formed in the girder folding body 6, clamp 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 the spline sleeve 14, the clamp springs are installed 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, 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.
Further, a U-shaped slideway is arranged in the drag chain box 201, and the sliding drag chain tray 202 can be horizontally and directionally slid in the slideway.
Further, a rectangular avoidance channel 2013 is formed in the drag chain box 201, and the tray cylinder base 206 can horizontally move 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 to the shape and size of the lower end of the girder folding body 6, so that the whole body is attractive, and the space is reasonably optimized.
Further, a connecting plate 103 is arranged at the end part of the girder main body 1, a round hole is formed in the connecting plate 103, a connecting plate 602 is arranged on the girder folding body 6, and a screw hole is formed in the connecting plate 602; when the girder folding body 6 is extended, the connecting plate 103 is fixedly connected with the connecting plate 602 through screws.
The foregoing shows and describes the general principles, essential 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, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The automatic girder folding device comprises a girder main body (1) and is characterized in that one end welding oil cylinder seat (101) of the girder main body (1) is connected with a folding oil cylinder (8), the output end of the folding oil cylinder (8) is connected with a rack seat (10), a rack (11) fixedly connected with the upper part of the rack seat (10) is internally provided with a gear (13) in a girder folding body (6), the gear (13) is connected with the girder folding body (6) through a spline sleeve (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), wherein,
the telescopic sliding drag chain box device (2) comprises a drag chain box (201), wherein the drag chain box (201) is provided with a slide way (2011) and a drag chain oil cylinder seat (2012), a sliding drag chain tray (202) is installed into the slide way (2011), one end of the sliding drag chain tray (202) is fixedly connected with the 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).
2. The sliding telescopic tow chain box device (2) according to claim 1, wherein a U-shaped slideway (2011) is arranged in the tow chain box (201), and the sliding tow chain tray (202) is arranged in the slideway (2011) and can slide horizontally.
3. The sliding telescopic tow chain box device (2) according to claim 1, wherein a rectangular avoidance channel (2013) is arranged in the tow chain box (201), and the tray cylinder seat (206) can horizontally move in the avoidance channel (2013).
4. The automatic girder folding device according to claim 1, wherein a spline hole (601) is formed in the girder folding body (6), clamp 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 (601) is identical to the spline hole (1301), the gear (13) is fixedly connected with the spline hole (601) through a spline sleeve (14), clamp springs (5) are installed at two ends of the 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).
5. A girder automatic folding device according to claim 2, wherein snap springs (4) are provided at both ends of the girder pin shaft (12), snap springs (7) are provided at both ends of the folding cylinder pin shaft (9), and snap springs (203) are provided at both ends of the tow chain cylinder pin shaft (205).
6. A girder automatic folding device according to claim 1, wherein a missing portion of the right lower end of the girder main body (1) is the same size and complementary shape of the lower end of the girder folding body (6).
7. A girder automatic folding device according to claim 1, wherein a connecting plate (103) is provided at an end of the girder main body (1), the connecting plate (103) is provided with a circular 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 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 true CN113802991A (en) | 2021-12-17 |
| CN113802991B 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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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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| CN113802991B (en) | 2023-09-26 |
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