CN210239699U - Anchor cable and joist coupling connecting system - Google Patents
Anchor cable and joist coupling connecting system Download PDFInfo
- Publication number
- CN210239699U CN210239699U CN201920991280.5U CN201920991280U CN210239699U CN 210239699 U CN210239699 U CN 210239699U CN 201920991280 U CN201920991280 U CN 201920991280U CN 210239699 U CN210239699 U CN 210239699U
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- China
- Prior art keywords
- anchor cable
- shaped
- joist
- cushion block
- coupling
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- 230000008878 coupling Effects 0.000 title claims abstract description 42
- 238000010168 coupling process Methods 0.000 title claims abstract description 42
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 42
- 125000006850 spacer group Chemical group 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 9
- 238000010008 shearing Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
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Abstract
The utility model relates to an anchor cable and joist coupling connection system, which comprises a joist, a coupling cushion block and a special-shaped anchorage device; the two ends of the joist are symmetrically provided with anchor cable holes, and the bottom surface of the joist is positioned at the anchor cable holes and is provided with positioning teeth on the left side and the right side; the bottom surface of the coupling cushion block is arc-shaped, the top surface of the coupling cushion block is provided with cushion block latch teeth, and the middle part of the coupling cushion block is provided with an anchor cable hole; the special-shaped anchorage device is of a cylindrical structure, one end face of the special-shaped anchorage device is arc-shaped, and an anchor cable hole intersected with the end face is formed in the special-shaped anchorage device; the positioning teeth are matched with the cushion block latch in size and can be meshed with each other; the radian of the arc-shaped end surface of the special-shaped anchorage is equal to that of the arc-shaped surface of the coupling cushion block. The problem that the bearing capacity of the anchor cable is remarkably reduced due to the fact that the anchor cable is subjected to an offset load when the anchor cable is obliquely arranged is effectively solved, and the problem that the anchor cable and the supporting beam cannot be coupled when the anchor cable and the supporting beam support the surrounding rock together is solved, so that the problem that the large bearing capacity of the anchor cable is remarkably reduced due to the fact that the anchor cable is subjected to shearing force of an anchor cable hole of the supporting beam after the surrounding rock deforms is solved.
Description
Technical Field
The utility model relates to an anchor rope and joist coupling connected system is applicable to the mining engineering field, especially is used for the country rock control to big section forced mining tunnel.
Background
Anchor cable support is an extremely important support means for realizing the stability of surrounding rock and achieving safe production in the field of mineral engineering, single anchor cable support cannot inhibit the large deformation and damage of the surrounding rock under difficult geological conditions, and truss anchor cable support or anchor cable and channel steel or U-shaped steel combined support is generally adopted in order to improve the anchor cable support effect.
When the truss anchor cable is used for supporting, the anchor cable bears the influence of surrounding rock expansion deformation pressure under a strong mining condition in a bending state, the anchor cable must bear larger shearing load, and the anchor cable is easy to break; when the anchor cable and the channel steel are supported in a combined mode, the anchor cable and the channel steel are not in a vertical relation, so that the anchor cable is bound to bear large offset load influence, the offset load is a defect caused by the fact that the anchor cable and the channel steel or a U-shaped steel supporting structure are not coordinated, the bearing capacity of the anchor cable is greatly reduced, and the advantage of strong bearing capacity of the anchor cable cannot be played to the maximum extent.
The anchor cable and joist coupled connection system is developed, the defect problems of the existing anchor cable truss and anchor cable and channel steel or U-shaped steel integral supporting structure are effectively solved, and the anchor cable and joist coupled connection system has important practical application value.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anchor rope and joist coupling connected system, provide an anchor rope and joist coupling connected system that convenient to use, suitability are strong, the effect is superior.
In order to achieve the above object, the present invention provides an anchor cable and joist coupling system, which comprises a joist, a coupling cushion block and a special-shaped anchor; the two ends of the joist are symmetrically provided with anchor cable holes, and the bottom surface of the joist is positioned at the anchor cable holes and is provided with positioning teeth on the left side and the right side; the bottom surface of the coupling cushion block is arc-shaped, the top surface of the coupling cushion block is provided with cushion block latch teeth, and the middle part of the coupling cushion block is provided with an anchor cable hole; the special-shaped anchorage device is of a cylindrical structure, one end face of the special-shaped anchorage device is arc-shaped, and an anchor cable hole intersected with the end face is formed in the special-shaped anchorage device; the positioning teeth are matched with the cushion block latch in size and can be meshed with each other; the radian of the arc-shaped end surface of the special-shaped anchorage is equal to that of the arc-shaped surface of the coupling cushion block.
Furthermore, the anchor cable holes in the joist are long holes.
Furthermore, the anchor cable holes of the coupling cushion blocks are long inclined holes.
Furthermore, the anchor cable holes are long inclined holes with thick lower parts and thin upper parts.
Has the advantages that: by adopting the technical scheme, the anchor cable and joist coupling connection system effectively solves the problem that the bearing capacity of the anchor cable is remarkably reduced due to the fact that the anchor cable is subjected to an eccentric load when the anchor cable is obliquely arranged, and also effectively solves the problem that the anchor cable and the joist cannot be coupled and connected when the anchor cable and the joist support the surrounding rock together, so that the problem that the large bearing capacity of the anchor cable is remarkably reduced due to the fact that the anchor cable is subjected to shearing force of an anchor cable hole of the joist after the surrounding rock is deformed is solved. Just the utility model discloses an anchor rope and joist coupling connected system simple structure, processing is convenient, uses convenient, safe and reliable, possesses good and extensive using value.
Drawings
Fig. 1 is a schematic structural view of a coupling of an anchor cable and a joist.
Fig. 2 is a schematic bottom view of the joist.
Fig. 3 is a cross-sectional view taken along line I-I of fig. 1.
Fig. 4 is a top view of a coupling block.
FIG. 5 is a schematic view of a shaped anchor.
Fig. 6 is a schematic view of the anchor cable and joist coupled connection system of embodiment 1 after installation and support.
The figures are labeled as follows: the device comprises a supporting beam 1, anchor cable holes 1a, positioning teeth 1b, a coupling cushion block 2, anchor cable holes 2a, cushion block clamping teeth 2b, a special-shaped anchorage device 3a, anchor cable holes 3a, anchor cables 4 and a roadway roof 5.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, an anchor cable and joist coupling connection system comprises a joist 1, a coupling cushion block 2 and a special-shaped anchor 3.
Anchor cable holes 1a are symmetrically formed in two ends of the joist 1, and positioning teeth 1b are arranged on the bottom surface of the joist 1 at the anchor cable holes 1a and on the left side and the right side of the joist; the bottom surface of the coupling cushion block 2 is arc-shaped, the top surface is provided with cushion block latch 2b, and the middle part is provided with an anchor cable hole 2 a; the special-shaped anchorage device 3 is of a cylindrical structure, one end face of the special-shaped anchorage device is arc-shaped, and an anchor cable hole 3a intersected with the end face is formed; the positioning teeth 1b are matched with the cushion block latch teeth 2b in size and can be meshed with each other; the radian of the arc-shaped end surface of the special-shaped anchorage device 3 is equal to that of the arc-shaped surface of the coupling cushion block 2. The anchor cable and joist coupling connection system can realize the matching of the special-shaped anchor 3 and the coupling cushion block 2 in stress and structure and also can realize the matching of the coupling cushion block 2 and the joist 1 in stress and structure.
The anchor cable holes 1a in the joist 1 are long holes; an anchor cable hole 2a of the coupling cushion block 2 is a long inclined hole; the anchor cable holes 3a are long inclined holes with thick lower parts and thin upper parts. During installation, the anchor cable 4 sequentially penetrates through the anchor cable hole 3a, the anchor cable hole 2a and the anchor cable hole 1a and is fixedly connected into the top plate.
Example 1
The width of a coal roadway is 5m, the roadway roof 5 is supported by the anchor cable 4 and the joist coupling connection system, wherein the length of the anchor cable 4 is 8m, the included angle between the anchor cable 4 and the horizontal direction is 72 degrees, the length of the joist 1 is 4.6m, the distance between the anchor cable holes 1a at two ends of the joist 1 is 2.4m, and the length of the anchor cable holes 1a is 6cm, if the installation is finished and the surrounding rock is supported, the anchor cable is stable in stress and not influenced by an offset load through mine pressure observation, the control effect of the roof is good finally, and the roadway meets the requirements of safe use.
Claims (4)
1. A coupling connection system of an anchor cable and a joist is characterized by comprising a joist, a coupling cushion block and a special-shaped anchor; the two ends of the joist are symmetrically provided with anchor cable holes, and the bottom surface of the joist is positioned at the anchor cable holes and is provided with positioning teeth on the left side and the right side; the bottom surface of the coupling cushion block is arc-shaped, the top surface of the coupling cushion block is provided with cushion block latch teeth, and the middle part of the coupling cushion block is provided with an anchor cable hole; the special-shaped anchorage device is of a cylindrical structure, one end face of the special-shaped anchorage device is arc-shaped, and an anchor cable hole intersected with the end face is formed in the special-shaped anchorage device; the positioning teeth are matched with the cushion block latch in size and can be meshed with each other; the radian of the arc-shaped end surface of the special-shaped anchorage is equal to that of the arc-shaped surface of the coupling cushion block.
2. The cable bolt-to-joist coupling system as claimed in claim 1, wherein the cable bolt holes in the joist are elongate holes.
3. The cable bolt-joist coupling system of claim 1, wherein the cable bolt holes of the coupling spacer are angled.
4. The cable bolt and joist coupling connection system as claimed in claim 1, wherein the cable bolt bore is an elongate angled bore with a lower portion being wider than an upper portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991280.5U CN210239699U (en) | 2019-06-28 | 2019-06-28 | Anchor cable and joist coupling connecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991280.5U CN210239699U (en) | 2019-06-28 | 2019-06-28 | Anchor cable and joist coupling connecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210239699U true CN210239699U (en) | 2020-04-03 |
Family
ID=69988395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920991280.5U Expired - Fee Related CN210239699U (en) | 2019-06-28 | 2019-06-28 | Anchor cable and joist coupling connecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210239699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196596A (en) * | 2020-10-15 | 2021-01-08 | 山东科技大学 | Grouting anchor rod cable combination beam for advanced support of deep broken surrounding rock and support method |
-
2019
- 2019-06-28 CN CN201920991280.5U patent/CN210239699U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196596A (en) * | 2020-10-15 | 2021-01-08 | 山东科技大学 | Grouting anchor rod cable combination beam for advanced support of deep broken surrounding rock and support method |
| CN112196596B (en) * | 2020-10-15 | 2022-04-29 | 山东科技大学 | Grouting anchor rod cable combination beam for advanced support of deep broken surrounding rock and support method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 551700 No.1 Biyang Avenue, qixingguan District, Bijie City, Guizhou Province Patentee after: Bijie local coal mine survey and Design Co.,Ltd. Address before: 551700 No.1 Biyang Avenue, qixingguan District, Bijie City, Guizhou Province Patentee before: Bijie local coal mine survey and design team |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 |