Mining I-shaped steel limiting stopper

Abstract

The utility model discloses a mining I-shaped steel limiter which comprises I-shaped steel and T-shaped steel arranged at the two ends of the I-shaped steel, a plurality of mounting holes are formed in the I-shaped steel and the T-shaped steel, bolts penetrate through the mounting holes, nuts are connected to the outer sides of the bolts in a threaded mode, and a first inner concave plate and a second inner concave plate are fixed to the bottom of the I-shaped steel and one side of the T-shaped steel. And a first limiting plate is arranged between the two first inner concave plates. A first clamping block is embedded into a first inwards-concave plate, so that a first limiting plate is embedded into a first notch, then a second limiting plate is moved to be embedded into a second notch, a second clamping block is embedded into a second inwards-concave plate, and then the second limiting plate and the first limiting plate are fixed, so that the first limiting plate and the second limiting plate both play a limiting role; and the limiting range of the first limiting plate and the second limiting plate is wide, double limiting is achieved, the limiting effect is better, and the I-shaped steel and the T-shaped steel are firmer.

Description

Technical Field

[0001] The utility model relates to the technical field of I-beam stoppers, in particular to an I-beam stopper for mining. Background Art

[0002] During the mining process, miners need to work underground, so a certain area of ​​space and support structure need to be built to ensure work safety and the stability of the mine. In this case, it is necessary to use I-beams as shed beams and T-shaped steel as shed legs, and fix them with bolts so that they can support the tunnel and obtain sufficient compressive and tensile strength to prevent tunnel collapse.

[0003] However, after the I-beam and T-beam are fixed in the prior art, the L-beam needs to be fixed to the I-beam and T-beam by bolts. Figure 8 As shown, the L-shaped steel plays a limiting role. The L-shaped steel can fix the I-beam and T-shaped steel together more stably. However, the L-shaped steel is small in size, has a small supporting range, and has a small limiting range, resulting in small pressure it can withstand and poor firmness. Utility Model Content

[0004] (I) Purpose of the utility model

[0005] In view of this, the purpose of the utility model is to propose an I-beam limiter for mining, the technical problem to be solved is that the L-shaped steel has a small size, a small supporting range, and a small limiting range, resulting in a small pressure it can withstand and poor firmness.

[0006] (II) Technical solution

[0007] In order to achieve the above technical purpose, the utility model provides an I-beam limiter for mining:

[0008] It includes an I-beam and a T-shaped steel arranged at both ends of the I-beam, and a plurality of mounting holes are opened in the I-beam and the T-shaped steel, and bolts are passed through the mounting holes, and nuts are threadedly connected to the outer sides of the bolts, and a first inner concave plate and a second inner concave plate are fixed to the bottom of the I-beam and one side of the T-shaped steel, a first limiting plate is arranged between the two first inner concave plates, a second limiting plate is arranged between the two second inner concave plates, and a positioning component for positioning the first limiting plate and the second limiting plate is arranged between the first limiting plate and the second limiting plate.

[0009] Preferably, first clamping blocks are fixed at both ends of the first limiting plate, and the two first clamping blocks are slidably fitted in the corresponding first concave plates, and second clamping blocks are fixed at both ends of the second limiting plate, and the two second clamping blocks are slidably fitted in the corresponding second concave plates.

[0010] Preferably, a first notch is formed in the first inner concave plate, and the first limiting plate is slidably fitted in the first notch; a second notch is formed in the second inner concave plate, and the second limiting plate is slidably fitted in the second notch.

[0011] Preferably, the positioning assembly includes two positioning columns fixed to one side of the first limiting plate, two positioning cylinders fixed to one side of the second limiting plate, the positioning columns are slidably fitted in the corresponding positioning cylinders, positioning grooves are provided in the positioning columns, a cylindrical cylinder is fixed between the two positioning cylinders, two positioning rods are slidably connected in the cylindrical cylinder, and the positioning rods can be embedded in the corresponding positioning grooves.

[0012] Preferably, a spring is arranged in the cylindrical tube, and two ends of the spring are respectively fixed to the ends of the two positioning rods.

[0013] Preferably, a travel groove is provided in the cylindrical tube, a shift rod is fixed on the outer side of the positioning rod, and the shift rod is slidably fitted in the travel groove.

[0014] It can be seen from the above technical solutions that the present application has the following beneficial effects:

[0015] 1: The first clamping block is embedded in the first concave plate, so that the first limiting plate is embedded in the first notch, and then the second limiting plate is moved to be embedded in the second notch, and the second clamping block is embedded in the second concave plate, and then the second limiting plate and the first limiting plate are fixed to each other, so that the first limiting plate and the second limiting plate both play a limiting role, and the first limiting plate and the second limiting plate have a wide limiting range, and are double limiting, so the limiting effect is better, making the I-beam and T-shaped steel more firm.

[0016] 2: When fixing the second limit plate and the first limit plate, press the two levers to make the two levers and the positioning rod close to each other. When the positioning column is embedded in the positioning cylinder, release the lever to drive the positioning rod to be embedded in the positioning groove under the spring rebound force, so that the second limit plate and the first limit plate are fixed. This fixing method is more convenient and facilitates the fixing and disassembly of the first limit plate and the second limit plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the structure of an I-beam limiter for mining provided by the utility model;

[0019] Figure 2 This is a schematic structural diagram of another viewing angle of an I-beam limiter for mining provided by the utility model;

[0020] Figure 3 The utility model provides Figure 2 The structural diagram at A in the middle;

[0021] Figure 4 A schematic diagram of the partial structure disassembly of an I-beam limiter for mining provided by the utility model;

[0022] Figure 5 The utility model provides Figure 4 Schematic diagram of the structure at B in the middle;

[0023] Figure 6 A schematic diagram of the partial structure of an I-beam limiter for mining provided by the utility model;

[0024] Figure 7 The utility model provides Figure 6 Schematic diagram of the structure at C in the middle;

[0025] Figure 8 It is a schematic diagram of the structure of a limiter in the prior art.

[0026] Description of the drawings: 1. I-beam; 2. T-shaped steel; 3. Mounting hole; 4. Bolt; 5. Nut; 6. First concave plate; 7. Second concave plate; 8. First limit plate; 9. Second limit plate; 11. First notch; 12. Second notch; 13. First clamping block; 15. Positioning column; 16. Positioning cylinder; 17. Cylindrical cylinder; 18. Positioning groove; 19. Positioning rod; 20. Spring; 21. Travel groove; 22. Push rod; 23. Second clamping block. DETAILED DESCRIPTION

[0027] The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, and use. It should be understood that in all of these figures, the same or similar reference numerals indicate the same or similar parts and features. The various drawings only schematically represent the concepts and principles of the embodiments of the present disclosure, and do not necessarily show the specific dimensions and proportions of the various embodiments of the present disclosure. Specific parts in specific drawings may be exaggerated to illustrate the relevant details or structures of the embodiments of the present disclosure.

[0028] Reference Figure 1-8: The utility model provides an I-beam limiter for mining, comprising an I-beam 1 and a T-shaped steel 2 arranged at both ends of the I-beam 1, a plurality of mounting holes 3 are opened in the I-beam 1 and the T-shaped steel 2, bolts 4 are passed through the mounting holes 3, nuts 5 are threadedly connected to the outer sides of the bolts 4, a first inner concave plate 6 and a second inner concave plate 7 are fixed to the bottom of the I-beam 1 and one side of the T-shaped steel 2, a first limiting plate 8 is arranged between the two first inner concave plates 6, a second limiting plate 9 is arranged between the two second inner concave plates 7, and a positioning component for positioning the first limiting plate 8 and the second limiting plate 9 is arranged between the first limiting plate 8 and the second limiting plate 9.

[0029] Specifically, first clamping blocks 13 are fixed at both ends of the first limiting plate 8, and the two first clamping blocks 13 are slidably fitted in the corresponding first inner concave plate 6, second clamping blocks 23 are fixed at both ends of the second limiting plate 9, and the two second clamping blocks 23 are slidably fitted in the corresponding second inner concave plate 7, a first slot 11 is opened in the first inner concave plate 6, the first limiting plate 8 is slidably fitted in the first slot 11, a second slot 12 is opened in the second inner concave plate 7, and the second limiting plate 9 is slidably fitted in the second slot 12.

[0030] It should be noted that the width of the first clamping block 13 is greater than the width of the first notch 11 , and the width of the second clamping block 23 is greater than the width of the second notch 12 .

[0031] When in use, the bolt 4 is passed through the mounting hole 3, and then the nut 5 and the bolt 4 are threadedly connected, so as to fix the I-beam 1 and the T-shaped steel 2, and then the two first clamping blocks 13 are respectively embedded in the corresponding first inner concave plates 6, so that the first limiting plate 8 is embedded in the first groove 11, and then the second limiting plate 9 and the first limiting plate 8 are fixed to each other, so that the first limiting plate 8 and the second limiting plate 9 both play a limiting role, and the first limiting plate 8 and the second limiting plate 9 have a wide limiting range, and are double limiting, so the limiting effect is better, making the I-beam 1 and the T-shaped steel 2 more firm.

[0032] Among them, the positioning assembly includes two positioning columns 15 fixed to one side of the first limit plate 8, and two positioning cylinders 16 are fixed to one side of the second limit plate 9. The positioning columns 15 are slidably fitted in the corresponding positioning cylinders 16. A positioning groove 18 is provided in the positioning column 15. A cylindrical cylinder 17 is fixed between the two positioning cylinders 16. Two positioning rods 19 are slidably connected in the cylindrical cylinder 17, and the positioning rod 19 can be embedded in the corresponding positioning groove 18. A spring 20 is arranged in the cylindrical cylinder 17, and the two ends of the spring 20 are respectively fixed to the ends of the two positioning rods 19. A travel groove 21 is provided in the cylindrical cylinder 17, and a lever 22 is fixed to the outside of the positioning rod 19, and the lever 22 slides in the travel groove 21.

[0033] It should be noted that in the prior art, after the I-beam 1 and the T-shaped steel 2 are fixed, when the I-beam 1 and the T-shaped steel 2 need to be limited, an L-shaped steel 100 is installed between the I-beam 1 and the T-shaped steel 2 so that the L-shaped steel 100 plays a limiting role, and the L-shaped steel 100 is fixed to the I-beam 1 and the T-shaped steel 2 by bolts 200. This installation method is more troublesome.

[0034] When in use, to fix the second limit plate 9 and the first limit plate 8, first press the two levers 22 to make the two levers 22 approach each other, so that the two positioning rods 19 approach each other. When the two positioning rods 19 approach each other, the spring 20 is compressed, and then the second limit plate 9 is moved so that the second clamping block 23 is embedded in the second concave plate 7, so that the second limit plate 9 is embedded in the second notch 12. When the positioning column 15 is embedded in the positioning cylinder 16, release the lever 22 to drive the positioning rod 19 to be embedded in the positioning groove 18 under the rebound force of the spring 20, so that the second limit plate 9 and the first limit plate 8 are fixed. This installation method is more convenient than the bolt fixing in the prior art.

[0035] The exemplary implementation scheme of the present disclosure is described in detail above with reference to the preferred embodiments. However, it can be understood by those skilled in the art that, without departing from the concept of the present disclosure, various modifications and variations can be made to the above-mentioned specific embodiments, and various technical features and structures proposed in the present disclosure can be combined in various ways without exceeding the protection scope of the present disclosure, which is determined by the attached claims.

Claims

1. A mining I-beam stopper, comprising an I-beam (1) and T-shaped steels (2) arranged at both ends of the I-beam (1), characterized in that: The I-beam (1) and the T-shaped steel (2) are each provided with a plurality of mounting holes (3), bolts (4) are passed through the mounting holes (3), nuts (5) are threadedly connected to the outer sides of the bolts (4), a first inner concave plate (6) and a second inner concave plate (7) are fixed to the bottom of the I-beam (1) and one side of the T-shaped steel (2), a first limiting plate (8) is provided between the two first inner concave plates (6), a second limiting plate (9) is provided between the two second inner concave plates (7), and a positioning assembly for positioning the first limiting plate (8) and the second limiting plate (9) is provided between the first limiting plate (8) and the second limiting plate (9).

2. The I-beam stopper for mining according to claim 1, characterized in that: Both ends of the first limiting plate (8) are fixed with first clamping blocks (13), and the two first clamping blocks (13) are slidably fitted in the corresponding first inner concave plate (6); both ends of the second limiting plate (9) are fixed with second clamping blocks (23), and the two second clamping blocks (23) are slidably fitted in the corresponding second inner concave plate (7).

3. The I-beam stopper for mining according to claim 1, characterized in that: A first notch (11) is provided in the first concave plate (6), and the first limiting plate (8) is slidably fitted in the first notch (11); a second notch (12) is provided in the second concave plate (7), and the second limiting plate (9) is slidably fitted in the second notch (12).

4. The I-beam stopper for mining according to claim 1, characterized in that: The positioning assembly comprises two positioning columns (15) fixed to one side of the first limiting plate (8), two positioning cylinders (16) fixed to one side of the second limiting plate (9), the positioning columns (15) are slidably fitted in the corresponding positioning cylinders (16), a positioning groove (18) is provided in the positioning columns (15), a cylindrical cylinder (17) is fixed between the two positioning cylinders (16), two positioning rods (19) are slidably connected in the cylindrical cylinder (17), and the positioning rods (19) can be embedded in the corresponding positioning grooves (18).

5. The I-beam stopper for mining according to claim 4, characterized in that: A spring (20) is arranged in the cylindrical tube (17), and two ends of the spring (20) are respectively fixed to the ends of the two positioning rods (19).

6. The I-beam stopper for mining according to claim 5, characterized in that: A travel groove (21) is provided in the cylindrical tube (17), a shifting rod (22) is fixed on the outside of the positioning rod (19), and the shifting rod (22) is slidably fitted in the travel groove (21).

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