CN110130962B - Recoverable big tray - Google Patents
Recoverable big tray Download PDFInfo
- Publication number
- CN110130962B CN110130962B CN201910584941.7A CN201910584941A CN110130962B CN 110130962 B CN110130962 B CN 110130962B CN 201910584941 A CN201910584941 A CN 201910584941A CN 110130962 B CN110130962 B CN 110130962B
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- beams
- net
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- 239000011435 rock Substances 0.000 claims abstract description 54
- 239000011241 protective layer Substances 0.000 claims description 15
- 238000005260 corrosion Methods 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 230000008093 supporting effect Effects 0.000 abstract description 23
- 230000001681 protective effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000005303 weighing Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000004567 concrete Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000002861 polymer material Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/008—Anchoring or tensioning means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0093—Accessories
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a recyclable large tray, which comprises an anti-leakage net, a bearing tray, a small tray and a plurality of bearing beams, wherein the anti-leakage net is used for bearing the pressure of a broken rock body on the surface of a surrounding rock; the bearing beams are radially connected to the edge of the bearing tray; and the small tray is provided with an anchor rod mounting hole for the anchor rod to pass through. Under the condition of large deformation convergence of a roadway, the bearing beams are radially connected to the edge of the bearing tray, so that after the leakage-proof net is subjected to surrounding rock pressure, the pressure can be transmitted to the bearing tray and the bearing beams, the bearing beams are integrally deformed and then contract compactly, the supporting force of the protective surface is stronger, the supporting effect is more stable, and the phenomenon of net bags is avoided. Meanwhile, the anti-leakage net, the bearing tray and the bearing beam can be recycled, and the supporting cost is reduced.
Description
Technical Field
The invention relates to the technical field of roadway support, in particular to a recyclable large tray.
Background
With the rapid development of economy, the social demand for energy is increasing day by day, while the easily-mined resources in the shallow part are gradually exhausted, and mines are gradually and rapidly pushed to the deep part.
Because the traditional anchor net supporting technology cannot meet the requirements of stable control and low-cost mining of deep roadways, the constant-resistance extension anchor rods (cables), grouting anchor rods (cables), W steel belts, trapezoidal steel beams, I-shaped steel beams, metal diamond nets, U-shaped support sheds, concrete shotcrete and other technologies are gradually applied to mine construction.
However, the products and the construction scheme have complex processes and high supporting cost, and particularly, surface protection products such as W steel belts, trapezoidal steel beams, I-shaped steel beams and metal diamond nets belong to disposable consumables and cannot be subsequently recycled, so that the mining cost of a mine is high.
Meanwhile, the surface protection product is easy to generate a net bag to reduce the surface protection effect under the condition of large deformation and convergence of a roadway, and the normal and safe production of a mine is influenced.
In summary, how to provide a watch protection product with good protection effect and low cost is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention is to provide a recyclable large pallet, which has the effect of stabilizing a surface support part when deformed by surrounding rock pressure and is wholly contracted and deformed, and a part of the structure can be recycled, so that the support cost is effectively reduced.
In order to achieve the above purpose, the invention provides the following technical scheme:
a large recoverable tray comprises an anti-leakage net, a bearing tray, a small tray and a plurality of bearing beams, wherein the anti-leakage net is used for bearing the pressure of a broken rock body on the surface of a surrounding rock, the bearing tray is connected to the center of the anti-leakage net and provided with a falling hole, the small tray is used for bearing the bearing tray and can pass through the falling hole after rotating, the bearing beams are used for bearing the pressure of the surrounding rock, and the surface of the anti-leakage net is provided with a plurality of regularly arranged meshes;
the bearing beams are radially connected to the edge of the bearing tray and connected with the leakage-proof net;
and the small tray is provided with an anchor rod mounting hole for the anchor rod to pass through.
Preferably, the centers of the bearing beams coincide with the center of the bearing tray.
Preferably, the anti-leakage net further comprises a frame coinciding with the center of the anti-leakage net, the frame is connected to the anti-leakage net, and the frame is connected with the tail end of the bearing beam.
Preferably, the bearing tray is provided with a positioning ring for positioning the small tray, and the center of the positioning ring is superposed with the center of the falling hole.
Preferably, the center of the positioning ring coincides with the center of the bearing tray, and the bearing beam is radially connected to the outer surface of the positioning ring.
Preferably, the anti-leakage net, the bearing tray, the bearing beam, the frame and the positioning ring are all provided with protective layers for preventing corrosion.
Preferably, the falling hole is a square hole, and the size of the small tray is the same as that of the falling hole.
Preferably, the bearing beam is provided with a connecting chain for connecting with the bearing beam of the adjacent recyclable large pallet.
Preferably, a protective layer for preventing corrosion is provided on the connecting chain.
Preferably, the number of the bearing beams is eight.
The invention provides a recyclable large tray, which comprises an anti-leakage net, a bearing tray, a small tray and a plurality of bearing beams, wherein the anti-leakage net is used for bearing the pressure of a broken rock body on the surface of a surrounding rock; the bearing beams are radially connected to the edge of the bearing tray; and the small tray is provided with an anchor rod mounting hole for the anchor rod to pass through.
In the construction process of roadway support, the bearing beam is used as the back face of the large recoverable tray, the small trays and the falling holes are arranged in a staggered mode, so that the bearing trays are not separated from the small trays, the anchor rods are inserted into surrounding rocks from anchor rod mounting holes of the small trays, and the leakage-proof net is in surface contact with the surrounding rocks. The spandrel girder and the bearing tray bear the pressure of the surrounding rock, the leakage-proof net bears the pressure of the surrounding rock surface broken rock, the broken rock is prevented from falling to influence safety, and the broken rock is also prevented from falling to cause the surrounding rock surface to be evacuated.
After the roadway support is finished, the small tray is rotated to enable the small tray to pass through the falling hole in the bearing tray, the small tray and the anchor rod are retained in the surrounding rock as support consumable materials, the structures such as the anti-leakage net, the bearing beam and the bearing tray can be continuously recycled, and the roadway support cost is reduced.
Under the condition of large deformation convergence of a roadway, the bearing beams are radially connected to the edge of the bearing tray, so that after the leakage-proof net is subjected to surrounding rock pressure, the pressure can be transmitted to the bearing tray and the bearing beams, the bearing beams are integrally deformed and then contract compactly, the supporting force of the protective surface is stronger, the supporting effect is more stable, and the phenomenon of net bags is avoided.
In addition, under the condition of insufficient supporting force, the supporting can be strengthened in a mode of additionally drilling anchor rods or anchor cables in meshes of the anti-leakage net, and the supporting force of surrounding rocks is increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a recyclable large pallet according to the present invention.
In fig. 1:
1 is a leakage-proof net, 2 is a bearing beam, 3 is a bearing tray, 4 is a positioning ring, 5 is a frame, 6 is a small tray, 7 is a connecting chain and 8 is a falling hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a large recyclable pallet, which has the effect of stabilizing the surface support part when deformed by surrounding rock pressure and is wholly contracted and deformed, and part of the structure can be recycled, so that the support cost is effectively reduced.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a recyclable large tray provided in the present invention.
The invention provides a recyclable large tray, which comprises a leakage-proof net 1 for bearing the pressure of a broken rock body on the surface of surrounding rock, a bearing tray 3 connected to the center of the leakage-proof net 1 and provided with a falling hole 8, a small tray 6 for bearing the bearing tray 3 and capable of passing through the falling hole 8 after rotating, and a plurality of bearing beams 2 for bearing the pressure of the surrounding rock, wherein the surface of the leakage-proof net 1 is provided with a plurality of regularly-arranged meshes; one end of each bearing beam 2 is radially connected to the edge of the bearing tray 3, and the bearing beams 2 are connected with the anti-leakage net 1; the small tray 6 is provided with an anchor rod mounting hole for the anchor rod to pass through.
The side where the bearing beam 2 is located is the back side of the leakage-proof net 1, the side where the bearing beam 2 is not located is the front side of the leakage-proof net 1, and in the installation and use processes of the large recyclable pallet, the front side of the leakage-proof net 1 faces upwards and is in surface contact with surrounding rocks.
In the roadway supporting process, the surface of the leakage-proof net 1 is in surface contact with the surrounding rock, so that the pressure of the surrounding rock surface broken rock can be borne, the broken rock can be prevented from falling to influence the construction safety, and meanwhile, the phenomenon that the supporting effect is influenced by pumping out the surrounding rock on the surface after the broken rock falls is avoided.
The surface of the leakage-proof net 1 is provided with a plurality of regularly arranged meshes, so that under the condition of large convergence deformation of a roadway, the volume shrinkage of the meshes under pressure is reduced, and the leakage-proof net 1 is deformed integrally. In addition, the meshes on the anti-leakage net 1 can also be used for additionally drilling anchor rods or anchor cables under the condition of insufficient supporting force so as to enhance the supporting effect.
The shape of the anti-leakage net 1 can be rectangular, and of course, other geometric shapes are also possible, and preferably, the shape of the anti-leakage net 1 is square.
The shape of the mesh can be rectangular, circular, or other geometric shapes. The size of mesh needs to be confirmed according to the general size of broken rock mass to take place whole deformation when mesh is too big to be unfavorable for leak protection net 1 pressurized, perhaps the mesh undersize makes broken rock mass whereabouts influence construction safety.
The leakage-proof net 1 may be a metal net, a glass fiber net, a carbon fiber net, a resin material net, a polymer material net, or the like, as long as it has a sufficient pressure-bearing capacity.
In order to enhance the bearing capacity, a bearing tray 3 is arranged in the center of the anti-leakage net 1, and the bearing tray 3 does not contain meshes, so that the bearing capacity of the bearing tray 3 is stronger than that of the anti-leakage net 1.
The shape of the load-bearing tray 3 may be rectangular, circular or of course of other geometrical shapes.
The shape of the bearing tray 3 can be the same as that of the leakage-proof net 1 or different from that of the leakage-proof net 1. Preferably, the load-bearing tray 3 and the anti-leakage net 1 can be designed to be square.
The bearing beams 2 are radially connected to the edge of the bearing tray 3, and the bearing beams 2 are connected with the anti-leakage net 1, so that the anti-leakage net 1 and the bearing tray 3 can be supported and reinforced.
Preferably, the centers of the plurality of load-bearing beams 2 may coincide with the center of the load-bearing tray 3.
The spandrel girder 2 bears the main pressure of country rock among the geotechnical engineering, simultaneously because spandrel girder 2 is radially connected on weighing tray 3, under the big convergent deformation's in tunnel condition, be located weighing tray 3 not the effect of bearing girder 2 on the position all receive country rock pressure, take place whole deformation shrinkage deformation, and can not form the string bag, consequently have good stable surface and strut the effect.
The number of the bearing beams 2 can be four, eight or other number, and is determined according to the surrounding rock supporting force required to be provided by the recoverable large pallet in the actual supporting process.
Preferably, the number of the bearing beams 2 is eight, and the bearing beams are connected to the edge of the bearing tray 3 in a shape like a Chinese character mi.
Preferably, the bearing beam 2 can be a section bar and welded on the leakage-proof net 1 and the bearing tray 3, and the material is easy to obtain and convenient to process and manufacture.
Be equipped with on the tray 3 of weighing and fall hole 8, little tray 6 can be through the hole 8 that falls on the tray 6 of weighing, and at the wall rock support in-process, little tray 6 sets up with the hole 8 that falls is crisscross to avoid little tray 6 to bear the tray 3 of weighing through little tray 6 through the hole 8 that falls.
Be equipped with the stock mounting hole on the little tray 6, the stock can insert in the country rock through the stock on the little tray 6 and fix the stock in the country rock through structures such as hole packer.
In the roadway supporting process, the small tray 6 and the falling hole 8 are arranged in a staggered mode so as to prevent the bearing tray 3 from being separated from the small tray 6, the anchor rod is inserted into the surrounding rock from the anchor rod mounting hole of the small tray 6 and is fixed, and the anti-leakage net 1 is in surface contact with the surrounding rock. The bearing beam 2 and the bearing tray 3 bear the pressure of the surrounding rock, and the leakage-proof net 1 bears the pressure of the broken rock mass on the surface of the surrounding rock.
After the roadway support is finished, the small tray 6 is rotated to enable the small tray to pass through the falling hole 8 in the bearing tray 3, the small tray 6 and the anchor rod are retained in the surrounding rock as support consumable materials, the leakage-proof net 1, the bearing beam 2 and the bearing tray 3 can be recycled, and the roadway support cost is reduced.
In this embodiment, because spandrel girder 2 radially connects in the edge of bearing tray 3, under the big deformation convergence situation in tunnel, after leak protection net 1 received the country rock pressure, pressure can be conducted to bearing tray 3 and spandrel girder 2 on, because each position atress simultaneously for spandrel girder 2 takes place whole deformation and then contracts compactly, thereby makes to protect the table to strut the power stronger, and it is more stable to strut the effect, has avoided the production of string bag phenomenon.
Meanwhile, the anti-leakage net 1, the bearing beam 2 connected to the anti-leakage net 1 and the bearing tray 3 can be recycled, and the cost of roadway support is greatly reduced.
Preferably, the recoverable large tray can be used together with the constant-resistance extension anchor cable and an O-shaped hole packer, and the constant-resistance extension anchor cable is inserted into the surrounding rock through the anchor rod mounting hole in the small tray 6 and is fixed through the O-shaped hole packer. The three are matched for use, so that the supporting system can simultaneously have the constant-resistance extension performance of a constant-resistance extension anchor rope, the flexible and efficient grouting reinforcement performance of an O-shaped hole packer and the overall supporting performance of a recyclable large tray.
On the basis of the above embodiment, in order to enhance the bearing capacity of the recyclable large pallet, a frame 5 may be further provided, which coincides with the center of the leakage-proof net 1, the frame 5 is connected to the leakage-proof net 1, and the frame 5 is connected to the end of the bearing beam 2.
It should be noted that the end of the load-bearing beam 2 refers to the end of the load-bearing beam 2 that is not connected to the load-bearing tray 3.
On the basis of the embodiment, in order to position the small tray 6, the positioning ring 4 can be arranged on the bearing tray 3, and the center of the positioning ring 4 is superposed with the center of the falling hole 8, so that on one hand, the position of the small tray 6 on the bearing tray 3 can be positioned, and the small tray 6 can not pass through the falling hole 8 due to dislocation in the use and installation process of the small tray 6; on the other hand, the positioning ring 4 can increase the bearing framework on the bearing tray 3, and the bearing capacity of the bearing tray 3 is enhanced.
Preferably, the locating ring 4 can be a metal pipe and is connected to the weighing tray 3 in a welding mode, so that materials can be obtained easily, and the weighing tray is simple and convenient to manufacture.
On the basis of the embodiment, the center of the positioning ring 4 is coincided with the center of the bearing tray 3, the bearing beam 2 is radially connected to the outer surface of the positioning ring 4, and the bearing beam 2 is connected with the positioning ring 4 serving as a bearing framework, so that the pressure transmission of surrounding rocks is facilitated, and the bearing capacity of the large recyclable tray is enhanced.
On the basis of the above embodiment, in consideration of the corrosion problem of the humid working environment, protective layers can be arranged on the leakage-proof net 1, the bearing beam 2, the bearing tray 3, the frame 5 and the positioning ring 4.
The protective layer may be a resin material protective layer, a polymer material foamed layer, an organic material protective layer, a concrete cast layer, a foamed cement layer, an inorganic material protective layer, or the like.
Preferably, the structures such as the leakage-proof net 1, the bearing beam 2 and the bearing tray 3 can be welded in a factory building, and the protective layer is poured to enable the structures to be integrated, so that the integral bearing capacity of the large recyclable tray is enhanced, meanwhile, the phenomenon that the material strength is reduced due to corrosion in a humid environment is avoided, and the service life of the large recyclable tray is prolonged.
In addition, the large recyclable pallet formed by prefabricating can effectively isolate surface rock soil, and avoids soft rock water absorption deformation caused by later-stage concrete spraying in the supporting process of a soft rock roadway.
On the basis of the above embodiment, the falling hole 8 can be a square hole, the size of the small tray 6 is the same as the size of the falling hole 8, the small tray 6 and the falling hole 8 are clamped in a staggered mode in a use state to have a good bearing effect, and the small tray 6 can smoothly pass through the falling hole 8 after rotating for a certain angle.
Of course, the size of the small tray 6 may be slightly smaller than the size of the drop hole 8 so that the small tray 6 can smoothly pass through the drop hole 8.
On the basis of the above embodiment, in order to realize unitization and modularization of the large recyclable pallet, the load-bearing beams 2 may be provided with connecting chains 7 connected to the load-bearing beams 2 of the adjacent large recyclable pallets, and the adjacent large recyclable pallets may transmit loads through the connecting chains 7, thereby enhancing the load-bearing capacity and the stability of the supporting system. Meanwhile, the adjacent large recyclable trays are connected into pieces, so that the overall supporting effect of the supporting system is enhanced.
Preferably, the link chain 7 may be provided with a protective layer for preventing corrosion in consideration of a humid working environment. The protective layer may be a resin material protective layer, a polymer material foamed layer, an organic material protective layer, a concrete cast layer, a foamed cement layer, an inorganic material protective layer, or the like.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The recyclable large pallet provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A large recoverable tray is characterized by comprising an anti-leakage net (1) for bearing the pressure of a broken rock body on the surface of a surrounding rock, a bearing tray (3) which is connected to the center of the anti-leakage net (1) and is provided with a falling hole (8), a small tray (6) which is used for bearing the bearing tray (3) and can pass through the falling hole (8) after rotating, and a plurality of bearing beams (2) for bearing the pressure of the surrounding rock, wherein the surface of the anti-leakage net (1) is provided with a plurality of regularly-arranged meshes;
the bearing beams (2) are radially connected to the edge of the bearing tray (3), and the bearing beams (2) are connected with the anti-leakage net (1);
and the small tray (6) is provided with an anchor rod mounting hole for the anchor rod to pass through.
2. Recoverable big tray according to claim 1, characterized in that the centre of several load-bearing beams (2) coincides with the centre of the load-bearing tray (3).
3. The recyclable pallet according to claim 2, further comprising a frame (5) coinciding with the center of the anti-leakage net (1), wherein the frame (5) is connected to the anti-leakage net (1), and wherein the frame (5) is connected to the ends of the load-bearing beams (2).
4. Recoverable big tray according to claim 3, characterized in that the load-bearing tray (3) is provided with a positioning ring (4) for positioning the small tray (6), the centre of the positioning ring (4) coinciding with the centre of the drop hole (8).
5. Recoverable big tray according to claim 4, characterized in that the centre of the spacer ring (4) coincides with the centre of the load-bearing tray (3), the load-bearing beams (2) being radially attached to the outer surface of the spacer ring (4).
6. Recyclable big tray according to claim 5, characterized in that the anti-leakage net (1), the load-bearing tray (3), the load-bearing beam (2), the rim (5) and the positioning ring (4) are provided with a protective layer for preventing corrosion.
7. Recyclable big tray according to any of claims 1-6, characterized in that the drop holes (8) are square holes, and the size of the small tray (6) is the same as the size of the drop holes (8).
8. Recoverable big tray according to claim 7, characterized in that the load beam (2) is provided with a connection chain (7) for connection with a load beam (2) of an adjacent recoverable big tray.
9. Recyclable pallet according to claim 8, characterized in that the connecting chains (7) are provided with a protective layer for protection against rust.
10. Recoverable big pallet according to claim 9, characterized in that the number of load beams (2) is eight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910584941.7A CN110130962B (en) | 2019-07-01 | 2019-07-01 | Recoverable big tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910584941.7A CN110130962B (en) | 2019-07-01 | 2019-07-01 | Recoverable big tray |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110130962A CN110130962A (en) | 2019-08-16 |
| CN110130962B true CN110130962B (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910584941.7A Active CN110130962B (en) | 2019-07-01 | 2019-07-01 | Recoverable big tray |
Country Status (1)
| Country | Link |
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| CN (1) | CN110130962B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322100A (en) * | 2020-04-27 | 2020-06-23 | 徐州恒佳机械科技有限公司 | High-strength anti-falling anchor cable tray |
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| CN200952401Y (en) * | 2006-09-27 | 2007-09-26 | 郑州宇建预应力有限公司 | Mine anchor |
| CN201021545Y (en) * | 2006-10-18 | 2008-02-13 | 孙志强 | Adjusting tray of quick removable mould of casting top slab for building |
| CN201265424Y (en) * | 2008-10-15 | 2009-07-01 | 宜兴市星洲复合材料有限公司 | Anchor bar tray |
| CN202946170U (en) * | 2012-10-25 | 2013-05-22 | 师永贵 | Strong refined tray |
| CN103244160A (en) * | 2013-05-20 | 2013-08-14 | 河北联合大学 | Detachable reused single-pore clamping piece type anchor rope anchorage device |
| CN104712349A (en) * | 2013-12-11 | 2015-06-17 | 西软软件股份有限公司 | Mine anchor bolt support tray with vertical supporting function |
| CN205876363U (en) * | 2016-07-29 | 2017-01-11 | 河南理工大学 | Buffering, let pressure anchor rope |
| CN109488355A (en) * | 2019-01-25 | 2019-03-19 | 中国矿业大学 | A kind of construction method of flexible roof bolt |
-
2019
- 2019-07-01 CN CN201910584941.7A patent/CN110130962B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200952401Y (en) * | 2006-09-27 | 2007-09-26 | 郑州宇建预应力有限公司 | Mine anchor |
| CN201021545Y (en) * | 2006-10-18 | 2008-02-13 | 孙志强 | Adjusting tray of quick removable mould of casting top slab for building |
| CN201265424Y (en) * | 2008-10-15 | 2009-07-01 | 宜兴市星洲复合材料有限公司 | Anchor bar tray |
| CN202946170U (en) * | 2012-10-25 | 2013-05-22 | 师永贵 | Strong refined tray |
| CN103244160A (en) * | 2013-05-20 | 2013-08-14 | 河北联合大学 | Detachable reused single-pore clamping piece type anchor rope anchorage device |
| CN104712349A (en) * | 2013-12-11 | 2015-06-17 | 西软软件股份有限公司 | Mine anchor bolt support tray with vertical supporting function |
| CN205876363U (en) * | 2016-07-29 | 2017-01-11 | 河南理工大学 | Buffering, let pressure anchor rope |
| CN109488355A (en) * | 2019-01-25 | 2019-03-19 | 中国矿业大学 | A kind of construction method of flexible roof bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110130962A (en) | 2019-08-16 |
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