A toe guard front beam

Abstract

The utility model discloses a kind of front exploration beams of protecting help, belong to front exploration beam technical field, including front exploration beam, two fixed installation are installed on the roadway on front exploration beam and process fastener, processing fastener includes main clamping plate, the front of main clamping plate is equipped with auxiliary clamping plate, front exploration beam is installed between main clamping plate and auxiliary clamping plate, fastening mechanism is installed between main clamping plate and auxiliary clamping plate, fastening mechanism includes two fixed connection in the front of main clamping plate and respectively located the connecting screw rod of upper and lower sides of front exploration beam, nut is installed on the outer wall of connecting screw rod, installation hole is opened on auxiliary clamping plate, one end of front exploration beam is connected with steel wire rope, one end of steel wire rope is connected with hooking component, first connecting hole is opened on main clamping plate.The utility model improves safety, by the main clamping plate and auxiliary clamping plate that can be tightness adjustment, make front exploration beam can better adapt to the change of roof and coal wall, under the shelter of temporary front exploration beam operation, effectively prevent the occurrence of roof fall and rib fall accident.

Description

Technical Field

[0001] This utility model relates to a front-mounted protective beam, belonging to the technical field of front-mounted protective beams. Background Technology

[0002] After the tunneling of a coal mine working face is completed, workers need to install support on the working face. In order to prevent rockfall from endangering personnel safety, full-section protective netting needs to be used to cover the working face. The traditional method is to use anchor bolts to fix the full-section protective netting to the working face. However, due to the need for frequent tunneling, this method is not convenient to disassemble, resulting in low work efficiency.

[0003] Therefore, this utility model proposes a new solution. Utility Model Content

[0004] The main purpose of this utility model is to provide a protective front extension beam to overcome the shortcomings of the existing technology.

[0005] The objective of this utility model can be achieved by adopting the following technical solution:

[0006] A protective front extension beam includes a front extension beam on which two processed fasteners fixedly installed on the roadway are mounted. Each processed fastener includes a main clamping plate, and a secondary clamping plate is provided on the front side of the main clamping plate. The front extension beam is installed between the main clamping plate and the secondary clamping plate. A fastening mechanism is installed between the main clamping plate and the secondary clamping plate. The fastening mechanism includes two connecting screws fixedly connected to the front side of the main clamping plate and respectively located on the upper and lower sides of the front extension beam. Nuts are installed on the outer wall of the connecting screws. An installation hole is provided on the secondary clamping plate. A steel wire rope is connected to one end of the front extension beam. A hook assembly is connected to one end of the steel wire rope. A first connecting hole is provided on the main clamping plate.

[0007] Preferably, one end of the front probe beam is fixedly connected to a hanging plate, and one end of the wire rope is installed on the hanging plate.

[0008] Preferably, the hook assembly includes a mounting frame, one end of which is threadedly connected to a hanging ring that is connected to the wire rope, and the other end of which is threadedly connected to a hook.

[0009] Preferably, both ends of the mounting frame are fixedly connected to internally threaded tubes, and both the hanging ring and the hook are fixedly connected to externally threaded rods that are threadedly connected to the internally threaded tubes.

[0010] Preferably, the fastening mechanism includes a long fixed pipe screw and a short fixed pipe screw respectively installed inside the two mounting holes, wherein the long fixed pipe screw is located at the bottom of the front probe beam, the short fixed pipe screw is located above the front probe beam, and the main clamp plate has two first threaded holes that respectively cooperate with the long fixed pipe screw and the short fixed pipe screw.

[0011] Preferably, a threaded sleeve is installed in the middle of the main clamping plate, and a sealing plate is connected to the bottom end of the threaded sleeve. A second connecting hole is opened in the middle of the sealing plate.

[0012] Preferably, the main clamping plate has a second threaded hole in the middle that is threadedly connected to the threaded sleeve.

[0013] Preferably, a screw handle is fixedly connected to the outer wall of the wire sleeve.

[0014] Preferably, the top of the main clamping plate is provided with a third threaded hole, and a balance screw is threadedly connected to the inner side of the third threaded hole.

[0015] The beneficial technical effects of this utility model are as follows: According to the protective front extension beam of this utility model:

[0016] 1. Improved safety: The adjustable main and auxiliary clamping plates allow the forward beam to better adapt to changes in the roof and coal face. Under the protection of the temporary forward beam, roof falls and side falls are effectively prevented.

[0017] 2. Improved work efficiency, eliminating the need to install full-section protective netting bottom corner anchor rods, reducing process time.

[0018] 3. Reduced costs: The simple structure of the front extension beam of the guardrail reduces material and maintenance costs.

[0019] 4. Easy to operate and maintain: The simple structure and clear operating procedures enable staff to easily master and use the device, while also facilitating daily maintenance and upkeep. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure according to a preferred embodiment of the present invention;

[0021] Figure 2 This is a schematic diagram of a processing fastener structure according to a preferred embodiment of the present invention;

[0022] Figure 3 This is a schematic diagram of the interlocking component structure according to a preferred embodiment of the present invention;

[0023] Figure 4 This is a schematic diagram of a processing fastener structure according to a preferred embodiment of the present invention;

[0024] Figure 5 This is a cross-sectional view of a processing fastener structure according to a preferred embodiment of the present invention;

[0025] Figure 6 This is a schematic diagram of the main clamping plate structure according to a preferred embodiment of the present invention.

[0026] In the diagram: 1. Front beam; 2. Machining fastener; 3. Main clamping plate; 4. Secondary clamping plate; 5. Connecting screw; 6. Nut; 7. Mounting hole; 8. Steel wire rope; 9. Hook assembly; 10. First connecting hole; 11. Hanging plate; 901. Mounting frame; 902. Hanging ring; 903. Hook; 904. Internally threaded tube; 905. Externally threaded rod; 12. Long fixed tube screw; 13. Short fixed tube screw; 14. First threaded hole; 15. Threaded sleeve; 16. Second connecting hole; 17. Second threaded hole; 18. Tightening handle; 19. Third threaded hole; 20. Balance screw. Detailed Implementation

[0027] To enable those skilled in the art to understand the technical solution of this utility model more clearly, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings, but the implementation of this utility model is not limited thereto.

[0028] like Figures 1-6 As shown, the protective front extension beam provided in this embodiment includes a front extension beam 1. Two processing fasteners 2 are installed on the front extension beam 1 and fixedly installed on the roadway. The processing fasteners 2 include a main clamping plate 3. A secondary clamping plate 4 is provided on the front side of the main clamping plate 3. The front extension beam 1 is installed between the main clamping plate 3 and the secondary clamping plate 4. A fastening mechanism is installed between the main clamping plate 3 and the secondary clamping plate 4. The fastening mechanism includes two connecting screw rods 5 fixedly connected to the front side of the main clamping plate 3 and located on the upper and lower sides of the front extension beam 1, respectively. Nuts 6 are installed on the outer wall of the connecting screw rods 5. The secondary clamping plate 4 has an installation hole 7. One end of the front extension beam 1 is connected to a steel wire rope 8. One end of the steel wire rope 8 is connected to a hook assembly 9. The main clamping plate 3 has a first connecting hole 10. With the installation of the forward probing beam 1, processing fastener 2, wire rope 8, and hooking assembly 9, the processing fastener 2 consists of a main clamping plate 3, a secondary clamping plate 4, and a fastening mechanism, thus allowing the forward probing beam 1 to be adjusted back and forth. Two forward probing beams are installed on the upper and lower sides of both roadway walls. After the excavation is completed, the fastening mechanism is loosened, the forward probing beam 1 is pushed to the front of the working face, and then the fastening mechanism is tightened. After that, the wire ropes 8 on both sides are connected in the middle with the hooking assembly 9 and placed in front of the full-section protective net of the working face to prevent rockfall from flowing out of the protective net.

[0029] In this embodiment, as Figure 1 , Figure 2 and Figure 3As shown, a hanging plate 11 is fixedly connected to one end of the front beam 1, and one end of the wire rope 8 is installed on the hanging plate 11. The hook assembly 9 includes a mounting frame 901. One end of the mounting frame 901 is threadedly connected to a hanging ring 902 that is connected to the wire rope 8, and the other end of the mounting frame 901 is threadedly connected to a hook 903. Both ends of the mounting frame 901 are fixedly connected to internally threaded tubes 904. Externally threaded rods 905 that are threaded to the internally threaded tubes 904 are fixedly connected to both the hanging ring 902 and the hook 903. The wire rope can be tightened by rotation through the internally threaded tubes 904 and the externally threaded rods 905.

[0030] In this embodiment, as Figure 3 , Figure 4 and Figure 5 As shown, the fastening mechanism includes a long fixed pipe screw 12 and a short fixed pipe screw 13 respectively installed inside the two mounting holes 7. The long fixed pipe screw 12 is located at the bottom of the front probe beam 1, and the short fixed pipe screw 13 is located above the front probe beam 1. The main clamping plate 3 has two first threaded holes 14 that mate with the long fixed pipe screw 12 and the short fixed pipe screw 13 respectively. A threaded sleeve 15 is installed in the middle of the main clamping plate 3. A sealing plate is connected to the bottom end of the threaded sleeve 15. A second connecting hole 16 is opened in the middle of the sealing plate. A second threaded hole 17 is opened in the middle of the main clamping plate 3 that is threaded to the threaded sleeve 15. A screw handle 18 is fixedly connected to the outer wall of the threaded sleeve 15. A third threaded hole 19 is opened at the top of the main clamping plate 3. A balance screw 20 is threadedly connected to the inner side of the third threaded hole 19. The setup of the long fixed pipe screw 12, short fixed pipe screw 13, threaded sleeve 15, and second connecting hole 16 is suitable for situations where there is significant over-excavation in the roadway side. In this case, the main clamping plate 3 is fixed using the threaded sleeve 15 and the second connecting hole 16. Then, the forward beam 1 is placed between the main clamping plate 3 and the auxiliary clamping plate 4, and fixed using the long fixed pipe screw 12 and short fixed pipe screw 13. The balancing screw 20, positioned at both ends of the main clamping plate 3 along with the long fixed pipe screw 12, provides support and improves stability. During use, the second connecting hole 16 on the threaded sleeve 15 is fitted onto the original permanent support anchor rod. Bolts are then tightened from the inside of the threaded sleeve 15 onto the original permanent support anchor rod for fixation. The forward beam 1 can then be installed.

[0031] In this embodiment, as Figures 1-6 As shown in the figure, the working process of the front extension beam for side protection provided in this embodiment is as follows:

[0032] Step 1: Select two processed fasteners 2 at positions 1.2m and 2.1m high on the original permanent support anchor rods on both sides of the working face.

[0033] Step 2: Insert the front beam 1 between the main clamping plate 3 and the auxiliary clamping plate 4 of the two front and rear processed fasteners 2, and fix it with the fastening mechanism;

[0034] Step 3: After the tunneling is completed, cover the working face with the full-section protective netting. Extend the front beam 1 to the front of the working face and place it against the full-section protective netting. Connect the steel wire ropes 8 at the front end of the front beam 1 on both sides of the tunnel wall with the hook assembly 9 in the middle and tighten the steel wire ropes 8 so that the steel wire ropes 8 are placed in front of the full-section protective netting on the working face to prevent any falling rock from flowing out of the protective netting. It is not necessary to install anchor bolts to fix the full-section protective netting.

[0035] The above are merely further embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope disclosed by this utility model, based on the technical solution and concept of this utility model, shall fall within the protection scope of this utility model.

Claims

1. A protective front extension beam, characterized in that, The device includes a front probing beam (1), on which two processing fasteners (2) are fixedly installed on the roadway. Each processing fastener (2) includes a main clamping plate (3) and a secondary clamping plate (4) on the front side of the main clamping plate (3). The front probing beam (1) is installed between the main clamping plate (3) and the secondary clamping plate (4). A fastening mechanism is installed between the main clamping plate (3) and the secondary clamping plate (4). The fastening mechanism includes two connecting screws (5) fixedly connected to the front side of the main clamping plate (3) and located on the upper and lower sides of the front probing beam (1). Nuts (6) are installed on the outer wall of the connecting screws (5). An installation hole (7) is opened on the secondary clamping plate (4). A steel wire rope (8) is connected to one end of the front probing beam (1). A hook assembly (9) is connected to one end of the steel wire rope (8). A first connecting hole (10) is opened on the main clamping plate (3).

2. The side support front extension beam according to claim 1, characterized in that, One end of the front probe beam (1) is fixedly connected to a hanging plate (11), and one end of the wire rope (8) is installed on the hanging plate (11).

3. The sidewall extension beam according to claim 1, characterized in that, The hook assembly (9) includes a mounting frame (901), one end of which is threadedly connected to a hanging ring (902) that is connected to the wire rope (8), and the other end of which is threadedly connected to a hook (903).

4. The sidewall extension beam according to claim 3, characterized in that, Both ends of the mounting frame (901) are fixedly connected to internally threaded tubes (904), and both the hanging ring (902) and the hook (903) are fixedly connected to externally threaded rods (905) that are threadedly connected to the internally threaded tubes (904).

5. A protective front extension beam according to claim 1, characterized in that, The fastening mechanism includes a long fixed pipe screw (12) and a short fixed pipe screw (13) respectively installed inside the two mounting holes (7), wherein the long fixed pipe screw (12) is located at the bottom of the front probe beam (1) and the short fixed pipe screw (13) is located above the front probe beam (1). The main clamping plate (3) has two first screw holes (14) respectively cooperating with the long fixed pipe screw (12) and the short fixed pipe screw (13).

6. A protective front extension beam according to claim 5, characterized in that, A threaded sleeve (15) is installed in the middle of the main clamping plate (3), and a sealing plate is connected to the bottom end of the threaded sleeve (15). A second connecting hole (16) is opened in the middle of the sealing plate.

7. A protective front extension beam according to claim 6, characterized in that, The main clamping plate (3) has a second threaded hole (17) in the middle, which is threaded to the threaded sleeve (15).

8. A protective front extension beam according to claim 7, characterized in that, A screw handle (18) is fixedly connected to the outer wall of the threaded sleeve (15).

9. A sidewall extension beam according to claim 8, characterized in that, The top of the main clamping plate (3) is provided with a third threaded hole (19), and a balance screw (20) is threadedly connected to the inner side of the third threaded hole (19).

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