CN215108980U

CN215108980U - Safety support structure for coal mine tunneling

Info

Publication number: CN215108980U
Application number: CN202121732291.5U
Authority: CN
Inventors: 康凯鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-12-10
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a safety supporting structure for coal mine tunneling, in particular to the technical field of coal mine tunneling safety supporting, which comprises two supporting frames, wherein the top ends of the two supporting frames are both provided with electric jacks, the output ends of the electric jacks are connected with supporting push rods, and a folding and stabilizing mechanism is arranged between the two electric jacks; the folding and stabilizing mechanism comprises two first hinging blocks arranged between the two electric jacks. The utility model discloses a set up folding firm mechanism, first folding rod rotates on first articulated piece, and the second folding rod rotates on the articulated piece of second, and two sets of electric jack are close to each other, realizes folding effect, and the arrival scene is directly installed, has improved the installation effectiveness, and the grafting flange can insert the spill frame and fasten the operation, keeps the stability of two sets of first folding rods and second folding rod, and horizontal support stability is better, and the practicality is better.

Description

Safety support structure for coal mine tunneling

Technical Field

The utility model relates to a colliery is dug safety support technical field, more specifically says, the utility model relates to a safety support structure is used in colliery tunnelling.

Background

The coal mine is a reasonable space excavated by human beings when excavating geological layers rich in coal, generally comprises a roadway, a well hole, an excavation surface and the like, and a safety supporting structure is generally required to be used for supporting in the roadway mining process, so that potential safety hazards caused by roadway collapse can be prevented, and the safety protection effect is achieved.

Among the prior art, when removing the installation to safety support structure, because the subassembly can't be folded, occupation space is great, and the transport is wasted time and energy, even when carrying on the field assembly again after dismantling the part, extravagant more assembly time, the practicality is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a colliery is safety support structure for tunnelling realizes folding effect through setting up folding firm mechanism, has reduced the transportation space, and it is more convenient to carry, labour saving and time saving to reach the scene and directly install, improved the installation effectiveness, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a safety supporting structure for coal mine tunneling comprises two supporting frames, wherein electric jacks are arranged at the top ends of the two supporting frames, the output ends of the electric jacks are connected with supporting push rods, and a folding and stabilizing mechanism is arranged between the two electric jacks;

folding firm mechanism is including setting up two first articulated pieces between the electric jack, first articulated piece one end is connected with first folding rod, first folding rod one side is provided with the second folding rod, the articulated piece of second is installed to second folding rod one end, first folding rod and second folding rod top all are provided with the spill frame, first folding rod and second folding rod bottom all are provided with the grafting flange.

In a preferred embodiment, a pressure controller is arranged between the two electric jacks and at the bottom of the insertion convex plate, and a pressure alarm is arranged on one side of the pressure controller.

In a preferred embodiment, a rotating collar rod is arranged at the top end of the supporting push rod, a rotating shaft rod is arranged inside the rotating collar rod, and a supporting inclined plate is arranged on one side of the rotating collar rod.

In a preferred embodiment, a pressure sensor is installed on one side of the inclined support plate, and the pressure sensor is connected with the inclined support plate through a thread.

In a preferred embodiment, the first folding rod and the second folding rod are fixedly connected through a bolt, and the first folding rod is movably connected with the first hinge block.

In a preferred embodiment, the bottom end of the supporting frame is provided with an embedding disc, the bottom end of the embedding disc is provided with a plurality of embedding pointed rods in a circumferential array, one side of the embedding disc is provided with a stabilizing support plate, and the top end of the stabilizing support plate is connected with an inclined support.

In a preferred embodiment, the oblique bracket is fixedly connected with the stabilizing support plate, and the oblique bracket is made of stainless steel.

The utility model discloses a technological effect and advantage:

1. by arranging the folding and stabilizing mechanism, the first folding rod and the second folding rod are extruded and rotated, the first folding rod is rotated on the first hinging block, the second folding rod is rotated on the second hinging block, the two groups of electric jacks are close to each other, the folding effect is realized, the transfer space is reduced, the carrying is more convenient, the time and the labor are saved, the splicing convex plate can be directly installed on the site, the installation efficiency is improved, meanwhile, when a safety supporting structure is installed, the splicing convex plate can be inserted into the concave frame for fastening operation, the stability of the two groups of first folding rods and the second folding rods is maintained, the transverse supporting force is increased, and the practicability is better;

2. strike the embedding dish and drive a plurality of embedding sharp poles and move down and carry out embedded connection with ground, stabilize the extension board simultaneously and play support and firm effect to the support frame that appears to one side, the support frame that appears to one side plays the effect of inclined strut to the support frame, keeps the stability and the lateral stability of support frame bottom like this, and stability is higher.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of a part of the joint between the first hinge block and the first folding rod of the present invention.

Fig. 3 is the side view structure schematic diagram of the joint of the rotating shaft lever and the supporting sloping plate of the utility model.

Fig. 4 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

The reference signs are: 1. a support frame; 2. an electric jack; 3. a support push rod; 4. a first hinge block; 5. a first folding bar; 6. a second folding bar; 7. a second hinge block; 8. a concave frame; 9. inserting a convex plate; 10. a pressure controller; 11. a pressure alarm; 12. rotating the collar rod; 13. rotating the shaft lever; 14. supporting the inclined plate; 15. a pressure sensor; 16. an embedded disk; 17. embedding a sharp rod; 18. a stable support plate; 19. an oblique bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The safety supporting structure for coal mine tunneling shown in the attached figures 1-4 comprises two supporting frames 1, wherein electric jacks 2 are arranged at the top ends of the two supporting frames 1, the output ends of the electric jacks 2 are connected with supporting push rods 3, and a folding and stabilizing mechanism is arranged between the two electric jacks 2;

folding firm mechanism is including setting up two first articulated pieces 4 between two

electric jack

2, and 4 one ends of first articulated piece are connected with

first folding rod

5, and 5 one sides of first folding rod are provided with the second folding rod 6, and the articulated piece 7 of second is installed to 6 one ends of second folding rod, and 6 tops of first folding rod 5 and second folding rod all are provided with

spill frame

8, and 6 bottoms of first folding rod 5 and second folding rod all are provided with grafting flange 9.

As shown in the attached

drawings

1 and 2, a pressure controller 10 is arranged between the two electric jacks 2 and at the bottom of the insertion convex plate 9, and a pressure alarm 11 is arranged on one side of the pressure controller 10, so that when the pressure exceeds the pressure range set by the pressure controller 10, the pressure alarm 11 starts to give an alarm, and thus, people can be reminded of taking care of safety.

As shown in fig. 1 and 3, the top end of the support push rod 3 is provided with a rotary collar rod 12, a rotary shaft rod 13 is arranged inside the rotary collar rod 12, and a support inclined plate 14 is arranged on one side of the rotary collar rod 12, so that the support inclined plate 14 rotates on the rotary shaft rod 13 by rotating, different angles are adjusted, and the top wall arc surface of the roadway is extruded and supported conveniently.

As shown in the attached drawing 1, a pressure sensor 15 is installed on one side of the supporting inclined plate 14, the pressure sensor 15 is connected with the supporting inclined plate 14 through threads, the size of the extrusion force between the supporting inclined plate 14 and the roadway arc surface can be known through the pressure sensor 15, and the monitoring is carried out in real time.

As shown in fig. 2, the first folding rod 5 and the second folding rod 6 are fixedly connected through a bolt, and the first folding rod 5 is movably connected with the first hinge block 4, so that the bolt can be loosened during folding, the first folding rod 5 and the second folding rod 6 can move between the bolt and a nut, and the nut can be rotated to extrude the first folding rod 5 and the second folding rod 6 during installation, so that the fixing effect is realized.

As shown in the attached

drawings

1 and 4, an embedding disc 16 is installed at the bottom end of a support frame 1, a plurality of embedding sharp rods 17 are arranged at the bottom end of the embedding disc 16 in a circumferential array mode, a stable support plate 18 is arranged on one side of the embedding disc 16, the top end of the stable support plate 18 is connected with an oblique support 19, so that the embedding disc 16 is knocked to drive the embedding sharp rods 17 to move downwards, embedded connection with the ground can be achieved, meanwhile, the stable support plate 18 supports and stabilizes the oblique support plate 19, the oblique support plate 19 supports the support frame 1 in an oblique mode, and the stability of the bottom of the support frame 1 is maintained.

As shown in fig. 4, the oblique bracket 19 is fixedly connected to the stabilizing support plate 18, the oblique bracket 19 is made of stainless steel, so that the stabilizing support plate 18 can support the oblique bracket 19, and the stainless steel can prevent the oblique bracket 19 from being corroded by ground moisture and not easily rusted.

The pressure sensor 15 is provided as a HP4800 type pressure sensor.

The pressure controller 10 is provided in the form of a GEFRAN1200 type pressure controller.

The utility model discloses the theory of operation: when the folding is needed, the bolts can be loosened to enable the first folding rods 5 and the second folding rods 6 to rotate, so that the first folding rods 5 rotate on the first hinging blocks 4, the second folding rods 6 rotate on the second hinging blocks 7, so that the two groups of first folding rods 5 are folded, the two groups of electric jacks 2 are close to each other to achieve the folding effect, after the folding device is transported to a designated position, the first folding rods 5 and the second folding rods 6 can be completely opened to form a horizontal state, meanwhile, the inserting convex plate 9 can be inserted into the concave frame 8, screws are adopted to penetrate through the inserting convex plate 9 and the concave frame 8 to carry out fastening operation, the electric jacks 2 are started to drive the supporting push rods 3 to move upwards, the supporting push rods 3 drive the supporting inclined plates 14 to support and protect the top arc surface of the roadway, so that the supporting frame 1 can be transversely folded, and the stability of the lateral support can be maintained during installation.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a safety support structure is used in colliery tunnelling, includes two support frames (1), its characterized in that: electric jacks (2) are arranged at the top ends of the two support frames (1), the output ends of the electric jacks (2) are connected with support push rods (3), and a folding and stabilizing mechanism is arranged between the two electric jacks (2);

folding firm mechanism is including setting up two first articulated piece (4) between electric jack (2), first articulated piece (4) one end is connected with first folding rod (5), first folding rod (5) one side is provided with second folding rod (6), the articulated piece of second (7) is installed to second folding rod (6) one end, first folding rod (5) and second folding rod (6) top all are provided with spill frame (8), first folding rod (5) and second folding rod (6) bottom all are provided with grafting flange (9).

2. A safety support structure for coal mine excavation according to claim 1, characterized in that: two between electric jack (2) and be located grafting flange (9) bottom is provided with pressure controller (10), pressure controller (10) one side is provided with pressure alarm (11).

3. A safety support structure for coal mine excavation according to claim 1, characterized in that: the top end of the support push rod (3) is provided with a rotating collar rod (12), a rotating shaft rod (13) is arranged inside the rotating collar rod (12), and a support inclined plate (14) is arranged on one side of the rotating collar rod (12).

4. A safety support structure for coal mine excavation according to claim 3, characterized in that: support swash plate (14) one side and install pressure sensor (15), pressure sensor (15) with support through threaded connection between swash plate (14).

5. A safety support structure for coal mine excavation according to claim 1, characterized in that: carry out fixed connection through the bolt between first folding rod (5) and the second folding rod (6), swing joint between first folding rod (5) and the first articulated piece (4).

6. A safety support structure for coal mine excavation according to claim 1, characterized in that: the embedded plate is characterized in that an embedded plate (16) is installed at the bottom end of the support frame (1), a plurality of embedded pointed rods (17) are arranged at the bottom end of the embedded plate (16) in a circumferential array mode, a stable support plate (18) is arranged on one side of the embedded plate (16), and an oblique support (19) is connected to the top end of the stable support plate (18).

7. A safety support structure for coal mine excavation according to claim 6, characterized in that: the oblique bracket (19) is fixedly connected with the stable support plate (18), and the oblique bracket (19) is made of stainless steel.