CN216553951U - Combined variable-size U-shaped steel frame for supporting roadway - Google Patents
Combined variable-size U-shaped steel frame for supporting roadway Download PDFInfo
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- CN216553951U CN216553951U CN202122690889.9U CN202122690889U CN216553951U CN 216553951 U CN216553951 U CN 216553951U CN 202122690889 U CN202122690889 U CN 202122690889U CN 216553951 U CN216553951 U CN 216553951U
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Abstract
The utility model discloses a combined variable-size U-shaped steel frame for supporting a roadway, which comprises upright posts for supporting the side edges of the roadway and providing supporting height, a cross beam for supporting the top of the roadway, and clamping cables for fixedly connecting the upright posts and the cross beam, wherein steel frame groups are connected through inclined support rods. The utility model solves the problems that the similar equipment can not adjust and is suitable for the laneways with various specifications, the installation stability is poor, and the like, and the multi-component steel frames are connected into a whole because the connecting distance of the horizontal cross beam is adjusted to adjust the span of the upright post, so that the strength of the steel frame is increased, and the utility model has the advantages of low cost, high stability and suitability for various laneways.
Description
Technical Field
The utility model belongs to the technical field of mine roadway support equipment.
Background
U shaped steel steelframe mainly is applied to interim or permanent of underground mine tunnel and struts, and traditional U shaped steel steelframe is strutted, and its structure includes stand and arc crossbeam, and stand and arc crossbeam are connected by the card cable, have following problem when strutting: (1) the sizes of the upright columns and the arc-shaped cross beams are fixed, so that the span of the steel frame cannot be adjusted, the steel frame with one specification size can only correspondingly support a roadway with one specification, and the corresponding steel frame needs to be replaced and used when the specification of the roadway is changed; (2) there is not the vaulting pole fixed between stand and the stand, and the steelframe stand interval is adjusted by constructor, and the randomness is great, leads to the lateral stability of steelframe relatively poor.
In recent years, the domestic patent database discloses similar technical reports of a mine roadway support steel arch frame method:
the application number ZL2021107829862, the name is a mine roadway support steel arch frame and an installation method thereof, and the publication number CN113503173A discloses a mine roadway support steel arch frame and an installation method thereof, wherein the mine roadway support steel arch frame comprises a middle steel arch frame component, a group of triangular supports are respectively arranged on two sides of the middle steel arch assembly, the middle steel arch assembly comprises an arched arch crown unit, two ends of the vault unit are respectively provided with a roadway two-side strip U-shaped steel, the vault unit and the two roadway two-side strip U-shaped steel form an arch with an opening at the lower part, two ends of the arch crown unit are respectively connected with the upper parts of the two groups of triangular supports, the lower ends of the two long strip U-shaped steel on the two sides of the roadway are respectively connected with the lower parts of the two groups of triangular supports, and the one group of triangular supports and the adjacent two long strip U-shaped steel on the two sides of the roadway jointly enclose a closed triangular area. The device has the advantages of complex structure, large size, difficulty in carrying, mounting and using, and incapability of being suitable for the use of laneways with various rules.
Disclosure of Invention
The utility model provides a combined type size-variable U-shaped steel frame for supporting a roadway, which is reasonable in mounting structure, low in manufacturing cost, high in stability and applicable to various roadway sizes, and solves the technical problems that the conventional device cannot be adjusted and applicable to various specifications of roadways, is poor in mounting stability and the like.
The utility model provides a combined type variable-size U-shaped steel frame for supporting a roadway, which comprises upright posts for supporting the side edges of the roadway and providing supporting height, a beam for supporting the top of the roadway, and clamping straps for fixedly connecting the upright posts and the beam, wherein a pair of steel frame groups comprises two upright posts, clamping straps, bolts, beams and base plates, the arc ends of the two upright posts are respectively installed at the two ends of the beam through the clamping straps and bolt fixing clamping straps, the span distance between the two upright posts is adjusted by adjusting the overlapped part of the upright posts and the beam, the other ends of the upright posts are fixedly provided with the base plates, the steel frame groups are connected through inclined support rods, the two ends of each inclined support rod are respectively installed on the bolts of the clamping straps of the two steel frame groups, the two inclined support rods are crossed in an X shape to form a group for use, and the upright posts and the beams of the two steel frame groups are respectively connected through one group of inclined support rods.
The upright posts and the cross beams are made of steel with U-shaped cross sections.
The utility model changes the beam from arc to horizontal, and can adjust the span of the upright post by adjusting the connection distance of the horizontal beam, thereby realizing that the steel frame with one dimension can be suitable for roadway support with fixed height and different widths, simplifying the production and purchase process of the steel frame, reducing the production cost, the upright post and the upright post as well as the beam and the beam are connected and fixed by the clamping cable through the inclined support rod, the adjustment of the distance between the upright post and the upright post is determined by the longitudinal distance of the clamping cable, the multi-component steel frame is connected into a whole, so that the strength of the steel frame is increased, the transverse stability of the support is greatly improved, the beam is changed from arc to horizontal, thereby being convenient for the roadway top cushion (stacking bag) laying of the steel frame support ceiling and improving the cushion stability, solving the technical problems that the prior device can not adjust the roadway suitable for various specifications, the installation stability is poor, and the like, and having reasonable installation structure, Low manufacturing cost, high stability and more applicable roadway sizes.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a structural elevation of the present invention.
Figure 3 is a side view of the structure of the present invention.
Fig. 4 is a top view of the structure of the present invention.
Wherein: the device comprises 1-upright post, 2-cross beam, 3-clamping cable, 4-diagonal brace, 5-bolt and 6-backing plate.
Detailed Description
The utility model is further illustrated by the following specific figures and examples.
As shown in fig. 1 to 4, the present invention mainly comprises a pillar 1 for supporting a lateral side of a roadway and providing a supporting height, a beam 2 for supporting the top of the roadway, a clamping cable 3 for fixedly connecting the upright posts 1 and the beam 2, a pair of steel frame sets comprising two upright posts 1, clamping cables 3, bolts 5, the beam 2 and a base plate 6, the arc ends of the two upright posts 1 are respectively fixed and clamped at the two ends of the beam 2 through the clamping cables 3 and the bolts 5, through the overlap portion of adjustment stand 1 and crossbeam 2, adjust the span distance between two stands 1, the other end of stand 1 is fixed with backing plate 6, connects through diagonal brace 4 between the steelframe group, and the bolt 5 of seizing 3 is installed respectively at 4 both ends of diagonal brace at two sets of steelframe groups, and two diagonal braces 4 are alternately a set of use of constitution of X type, use a set of diagonal brace 4 to connect between stand 1, the crossbeam 2 of two sets of steelframe groups respectively.
When the device works, the upright columns 1, the clamping cables 3, the bolts 5, the cross beams 2 and the inclined stay bars 4 are transported to a roadway, then proper span is adjusted according to the specification of the roadway, the two upright columns 1 and the cross beams 2 are assembled together through the clamping cables 3 to form a steel frame group, the steel frame group is supported in the roadway, six inclined stay bars 4 are connected between every two adjacent steel frame groups, the inclined stay bars 4 are connected to the clamping cables 3 through the bolts 5 in a hinged mode, each 2 inclined stay bars 4 are used in an X shape, multiple groups of steel frame groups are connected to support the roadway together, the transverse distance between the two adjacent steel frame groups can be adjusted through adjusting the longitudinal distance between the clamping cables 3, the sizes and the combination modes of the steel frame groups and connecting components are adjusted timely, the steel frame groups and the connecting components are used in a large number of mine wells, and the effect is good.
Claims (2)
1. The utility model provides a combination formula variable dimension U type steelframe for strutting the tunnel, is including being used for supporting the tunnel side and providing stand (1) of supporting height for crossbeam (2) at support tunnel top, card for fixed connection stand (1) and crossbeam (2) is pulled (3), its characterized in that: a pair of steel frame group includes two stands (1), the card is held (3), bolt (5), crossbeam (2), backing plate (6), the circular arc end of two stands (1) is installed at the both ends of crossbeam (2) through the fixed clamp of card is held (3) and bolt (5) respectively, through the overlap portion of adjustment stand (1) and crossbeam (2), adjust the span distance between two stands (1), the other end of stand (1) is fixed with backing plate (6), connect through diagonal brace (4) between the steelframe group, install respectively on bolt (5) of card of two sets of steel frame group held (3) at diagonal brace (4) both ends, two diagonal brace (4) are X type and alternately constitute a set of use, stand (1) of two sets of steel frame groups, use a set of diagonal brace (4) to connect between crossbeam (2) respectively.
2. The combined variable-size U-shaped steel frame for supporting a roadway of claim 1, wherein: the upright posts (1) and the cross beams (2) are made of steel with U-shaped cross sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122690889.9U CN216553951U (en) | 2021-11-05 | 2021-11-05 | Combined variable-size U-shaped steel frame for supporting roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122690889.9U CN216553951U (en) | 2021-11-05 | 2021-11-05 | Combined variable-size U-shaped steel frame for supporting roadway |
Publications (1)
| Publication Number | Publication Date |
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| CN216553951U true CN216553951U (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122690889.9U Active CN216553951U (en) | 2021-11-05 | 2021-11-05 | Combined variable-size U-shaped steel frame for supporting roadway |
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| CN (1) | CN216553951U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116201578A (en) * | 2023-05-05 | 2023-06-02 | 中国矿业大学(北京) | Two-way bearing control system for gravel side of self-forming roadway with roof cutting and pressure relief |
| CN116856967A (en) * | 2023-06-27 | 2023-10-10 | 沈阳建筑大学 | Universal connection node, steel pipe arch-shaped supporting system and construction method |
-
2021
- 2021-11-05 CN CN202122690889.9U patent/CN216553951U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116201578A (en) * | 2023-05-05 | 2023-06-02 | 中国矿业大学(北京) | Two-way bearing control system for gravel side of self-forming roadway with roof cutting and pressure relief |
| CN116856967A (en) * | 2023-06-27 | 2023-10-10 | 沈阳建筑大学 | Universal connection node, steel pipe arch-shaped supporting system and construction method |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hechi Zhongfu Industrial and Mining Machinery Parts Co.,Ltd. Assignor: GUANGXI GAOFENG MINING Co.,Ltd. Contract record no.: X2025980007094 Denomination of utility model: A combined variable size U-shaped steel frame for supporting tunnels Granted publication date: 20220517 License type: Common License Record date: 20250410 |