Truss supporting device for deep rock coal roadway

Abstract

The utility model relates to the technical field of coal mine supporting, in particular to a truss supporting device for a deep rock coal roadway, which comprises a mounting mechanism, a truss supporting device and a connecting mechanism, the mounting mechanism comprises an arch-shaped supporting frame, the lower surfaces of two ends of the arch-shaped supporting frame are fixedly connected with upright columns, and the lower surfaces of the upright columns are fixedly connected with inserting columns and the connecting mechanism; the connecting mechanism comprises a connecting base fixedly installed on the arch supporting frame and the stand column, and a connecting penetrating hole is formed in the connecting base. According to the device, the multiple sets of arched supporting frames and the stand columns are laid in the mine tunnel and used for providing basic support for the interior of the mine tunnel, and the two connecting rods on the arched supporting frames and the stand columns are limited through the first connecting arms and the second connecting arms, so that the stability between the first connecting arms and the second connecting arms can be effectively improved; and the first connecting arm, the second connecting arm and the connecting rod are all located on the inner sides of the arch-shaped supporting frame and the stand column, so that the stable supporting effect is provided, and meanwhile it is guaranteed that a roadway formed by the arch-shaped supporting frame is kept smooth.

Description

TECHNICAL FIELD

[0001] The utility model belongs to coal mine supporting technical field, concretely relates to a truss support device of deep rock coal roadway. BACKGROUND

[0002] Coal mine refers to the mining area or place of coal, and the deep rock mining process such as coal mine involves underground ore body mining to extract coal as energy or industrial raw materials. A mine mainly includes development, mining, level, mining technology and related supporting equipment and ventilation, drainage, compressed air system, etc. When the mine is excavated, in order to ensure that the roadway will not collapse, timely support is necessary, including temporary support or permanent support;

[0003] According to the patent with the announcement number CN 112412503 B, a coal mine safety support device is provided, which comprises an arch, the two ends of the arch are connected with the top of a fixed plate, the arch and the fixed plate are penetrated by a plurality of anchor rods, a plurality of limiting components for preventing displacement of the arch and the fixed plate are arranged on the outer walls of the arch and the fixed plate, waterproof plates are connected to the inner walls of the arch and the fixed plate, and reinforcing components for reinforcing the connection between the arch and the fixed plate and the inner wall of the tunnel are arranged between the fixed plates below the arch; the reinforcing component comprises a base, a second telescopic rod is installed on the top of the base, a first telescopic rod is installed at the tail of the base, and the reinforcing component and the limiting component are used in cooperation to improve the fixing strength of the arch and the fixed plate, avoid damage phenomena such as twisting, bending and deformation of the arch and the fixed plate due to uneven stress, prolong the service life of the arch and the fixed plate, improve the safety of the support device during use, and facilitate use;

[0004] A large number of structures for supporting are installed in the roadway of the support device, which makes the roadway space more narrow, and workers are more inconvenient when passing through.

[0005] Therefore, the technical personnel in the art propose a truss support device of deep rock coal roadway to solve the problems in the background art.

[0006] The above information disclosed in the background art is only used to increase the understanding of the background art of the utility model, and therefore, it can include prior art known by those skilled in the art. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims to provide a truss support device of deep rock coal roadway to solve the problems in the background art.

[0008] To achieve the above-mentioned purpose, the utility model technology provides the following technical scheme:

[0009] A truss support device of deep rock coal roadway comprises:

[0010] The mounting mechanism comprises arched support frames, vertical columns fixedly connected to the lower surfaces of the two ends of the arched support frames, and plug-in columns fixedly connected to the lower surfaces of the vertical columns;

[0011] The connecting mechanism comprises connecting seats fixedly installed on the arched support frames and the vertical columns, connecting through holes formed in the connecting seats, and connecting rods inserted into the connecting through holes.

[0012] Preferably, the sliding assembly comprises a sliding groove formed in the first connecting arm and a sliding plate connected to the second connecting arm, and the sliding plate is in sliding fit with the sliding groove.

[0013] Preferably, a locking screw hole is formed in one surface of the first connecting arm, and a locking screw is screwed into the locking screw hole, and one end of the locking screw is in extrusion fit with the sliding plate.

[0014] Preferably, the arched support frames and the vertical columns each comprise a second inner cavity, a plurality of positioning protrusions are fixedly installed on the circumferential surfaces of the arched support frames and the vertical columns, a through slot is formed in the positioning protrusion, and a plurality of pouring holes are arranged on the inner circumferential surface of the vertical column and are in communication with the second inner cavity.

[0015] Preferably, an anchor rod is inserted into the through slot and is in communication with the second inner cavity.

[0016] Preferably, the plug-in column comprises a first inner cavity, the first inner cavity is in communication with the second inner cavity, and a plurality of branch overflow holes are formed in the circumferential surface of the plug-in column and are in communication with the second inner cavity.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] (1) The utility model discloses a plurality of arched support frames and vertical columns are laid in the mine tunnel to provide basic support for the inside of the mine tunnel, the arched support frames are connected through the connecting rods and the connecting seats, the first connecting arm and the second connecting arm are arranged between the two connecting rods on the arched support frames and the vertical columns, the stability between the first connecting arm and the second connecting arm is effectively improved, and the first connecting arm, the second connecting arm and the connecting rod are all arranged on the inner side of the arched support frames and the vertical columns, so that stable support effect is provided, and the mine tunnel formed by the arched support frames is kept unobstructed.

[0019] (2) The utility model discloses a first inner cavity and second inner cavity are set up and set up the pouring hole that communicates with the second inner cavity inside in the vertical column, when the arched support frame and vertical column are installed, can pour the concrete to the first inner cavity and second inner cavity through the pouring hole, and the close degree of connection of arched support frame and vertical column and the inner wall of mine tunnel can be increased through the anchor rod and the plug -in column with branch overflow hole, thereby further improve the stability of the whole support device.

[0020] The above summary is intended to illustrate only and is not intended to be limiting in any way. Further aspects, embodiments and features of the present utility model will be readily apparent from the detailed description which follows, taken in conjunction with the accompanying drawings which illustrate exemplary aspects, embodiments and features of the present utility model. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the three-dimensional structure diagram of the utility model Figure 1 ;

[0022] Figure 2 It is the three-dimensional structure diagram of the utility model Figure 2 ;

[0023] Figure 3 It is the right view of the utility model;

[0024] Figure 4 It is the internal structure diagram of the arched support frame of the utility model.

[0025] In the drawing: 1, arched support frame;2, vertical column;3, plug -in column;4, positioning boss;5, slot;6, anchor rod;7, first link arm;8, second link arm;9, sliding slot;10, sliding plate;11, locking screw;12, link rod;13, link seat;14, link perforation;15, pouring hole;16, branch overflow hole;17, first inner cavity;18, second inner cavity. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Embodiment one:

[0028] Please refer to Figures 1-4 The truss support device of deep rock coal roadway shown in the drawing, comprising:

[0029] The mounting mechanism comprises an arched support frame 1, both ends of the arched support frame 1 are fixedly connected with a stand column 2, and the lower surface of the stand column 2 is fixedly connected with a plug-in column 3;

[0030] The connecting mechanism comprises a connecting seat 13 fixedly installed on the arched support frame 1 and the stand column 2, the connecting seat 13 is provided with a connecting hole 14, the connecting hole 14 penetrates through the connecting seat 13, the connecting hole 14 is inserted with a connecting rod 12, the connecting rod 12 on the arched support frame 1 and the stand column 2 is provided with a first connecting arm 7 and a second connecting arm 8 on the side surface, and the first connecting arm 7 and the second connecting arm 8 are provided with a sliding assembly.

[0031] Specifically, the sliding assembly comprises a sliding groove 9 provided on the first connecting arm 7 and a sliding plate 10 connected to the second connecting arm 8, and the sliding plate 10 is in sliding fit with the sliding groove 9.

[0032] As can be seen from the above, the device is used for providing basic support in the mine tunnel by laying multiple sets of arched support frames 1 and stand columns 2 inside the mine tunnel, each set of arched support frames 1 is connected through the connecting rod 12 penetrating through the connecting seat 13, and the two connecting rods 12 on the arched support frame 1 and the stand column 2 are limited by the first connecting arm 7 and the second connecting arm 8, so that the stability between the first connecting arm 7 and the second connecting arm 8 can be effectively increased, and the first connecting arm 7, the second connecting arm 8 and the connecting rod 12 are all located inside the arched support frame 1 and the stand column 2, so that the stable supporting effect is provided and the roadway formed by the arched support frame 1 is kept unobstructed.

[0033] Embodiment two:

[0034] Please refer to Figures 1-4 As shown in the figure, a surface of the first connecting arm 7 is provided with a locking screw hole, a locking screw 11 is screwed in the locking screw hole, and one end of the locking screw 11 is in extrusion fit with the sliding plate 10.

[0035] Specifically, the arched support frame 1 and the stand column 2 both comprise a second inner cavity 18, a plurality of positioning protrusions 4 are fixedly installed on the side surface of the arched support frame 1 and the stand column 2, a through slot 5 is formed in the positioning protrusion 4, a plurality of pouring holes 15 are arranged on the inner side surface of the stand column 2, and the pouring holes 15 are in communication with the second inner cavity 18.

[0036] Specifically, an anchor rod 6 is inserted into the through slot 5, and the anchor rod 6 is in communication with the second inner cavity 18.

[0037] Specifically, the plug-in column 3 comprises a first inner cavity 17, the first inner cavity 17 is in communication with the second inner cavity 18, a plurality of branch overflow holes 16 are formed on the side surface of the plug-in column 3, and the branch overflow holes 16 are in communication with the second inner cavity 18.

[0038] As can be seen from the above, the present invention sets up a first inner cavity 17 and a second inner cavity 18, and sets up a pouring hole 15 on the inner side of the column 2 that communicates with the inside of the second inner cavity 18. After the arch support frame 1 and the column 2 are installed, concrete can be poured into the first inner cavity 17 and the second inner cavity 18 through the pouring hole 15. The anchor rod 6 and the plug-in column 3 with branch overflow hole 16 can increase the tightness of the connection between the arch support frame 1 and the column 2 and the inner wall of the mine, thereby further improving the stability of the entire support device.

[0039] All standard parts used in this invention can be purchased from the market, and irregularly shaped parts can be customized according to the description and drawings. The specific connection methods for each part all employ conventional methods such as bolts, rivets, and welding, which are mature technologies in the prior art. The machinery, parts, and equipment all use conventional models in the prior art, and the circuit connections also use conventional connection methods in the prior art, which will not be detailed here. Any content not described in detail in this specification belongs to the prior art known to those skilled in the art.

[0040] In the description of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. "A plurality of" means two or more, unless otherwise explicitly specified.

[0041] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0042] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0043] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0044] The utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the disclosure, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiments of the utility model can be combined mutually.

[0045] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A truss support device for deep rock coal roadways, characterized in that, include: The installation mechanism includes an arched support frame (1), with columns (2) fixedly connected to the lower surfaces of both ends of the arched support frame (1), and plug-in columns (3) fixedly connected to the lower surfaces of the columns (2). The connecting mechanism includes a connecting seat (13) fixedly installed on the arch support frame (1) and the column (2). The connecting seat (13) has a connecting through hole (14) through it. A connecting rod (12) is inserted into the connecting through hole (14). The connecting rod (12) on the arch support frame (1) and the column (2) is provided with a first connecting arm (7) and a second connecting arm (8) on its periphery. A sliding component is provided between the first connecting arm (7) and the second connecting arm (8).

2. The truss support device for deep rock coal roadways according to claim 1, characterized in that: The sliding assembly includes a sliding groove (9) formed on the first connecting arm (7) and a sliding plate (10) connected to the second connecting arm (8), wherein the sliding plate (10) is slidably engaged with the sliding groove (9).

3. The truss support device for deep rock coal roadways according to claim 2, characterized in that: The first connecting arm (7) has a locking screw hole on one surface, and a locking screw (11) is screwed into the locking screw hole. One end of the locking screw (11) is pressed into the sliding plate (10).

4. The truss support device for deep rock coal roadways according to claim 1, characterized in that: The arched support frame (1) and the column (2) both include a second inner cavity (18). Several positioning protrusions (4) are fixedly installed on the periphery of the arched support frame (1) and the column (2). A through groove (5) is opened in the positioning protrusion (4). Several pouring holes (15) are provided on the periphery of the column (2). The pouring holes (15) are connected to the inside of the second inner cavity (18).

5. A truss support device for deep rock coal roadways according to claim 4, characterized in that: An anchor rod (6) is inserted into the groove (5), and the anchor rod (6) is connected to the inside of the second inner cavity (18).

6. A truss support device for deep rock coal roadways according to claim 5, characterized in that: The plug (3) includes a first inner cavity (17) inside, which is connected to the second inner cavity (18). The plug (3) has several branch overflow holes (16) on its peripheral side, which are connected to the second inner cavity (18).

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