Metal mine roadway supporting structure

Abstract

The utility model discloses a metal mine roadway supporting structure, which relates to the technical field of mine roadways and comprises a cross beam, an arc-shaped supporting frame and supporting legs, connecting components are arranged on two sides of the cross beam, pressing components are mounted at positions, corresponding to the connecting components, of the arc-shaped supporting frame, and fixing components are mounted at the bottoms of the supporting legs. Compared with the prior art, the connecting assemblies are arranged on the two sides of the cross beam, the pressing assemblies are arranged at the corresponding positions of the arc-shaped supporting frames, the cross beam and the arc-shaped supporting frames are connected through quick clamping of the locking rods during installation, and limitation of the locking rods can be relieved through the pressing assemblies during detachment. Therefore, the cross beam and the house type supporting frame can be quickly disassembled and assembled, a supporting structure can be conveniently and efficiently built and adjusted in narrow and complex space of a mine, and the construction efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mine roadway, concretely to a metal mine roadway supporting structure. BACKGROUND

[0002] In the metal mine exploitation process, the stability of roadway is important to guarantee the safety of staff and the smooth progress of exploitation work, with the increase of exploitation depth and the expansion of exploitation scale, the geological conditions of roadway are more and more complex, face such as ground pressure increase, rock broken etc. A series of problems, which put forward higher requirements to roadway supporting structure;

[0003] The applicant found that a roadway supporting structure has been disclosed in Chinese patent with publication (announcement) number CN 219865073 U. The patent mainly sets adjusting mechanism, uses contraction groove, and supports screw rod in the contraction groove, which is convenient for the installation of support frame. The patent uses clamping foot, which rotates in the fixed disc to prevent the disengagement of knob. The patent uses knob, which makes the support screw rod and support frame rise by rotating the knob, so as to adjust the height of support frame, make the support frame fit the inner wall of roadway, and enhance the support. The patent sets support mechanism, uses fixed plate, which is installed at the bottom between the mounting blocks of two support frames. The patent uses fixing piece, which is convenient for the installation of fixed plate, enhances the mutual fixation between two support frames, uses support plate, which is clamped between two mounting blocks and fits the inner wall of roadway, which is conducive to enhancing support protection. The patent uses fixing piece, which is installed in the fixed hole, so as to fix the fixed plate and support frame, and fix them with the inner wall of roadway, which enhances stability. However, the device cannot be quickly built and adjusted in narrow and complex space, which greatly affects the safety during work. Therefore, the present application provides a metal mine roadway supporting structure. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a metal mine roadway supporting structure.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a metal mine roadway supporting structure, which comprises a crossbeam, an arc-shaped support frame and a support leg, both sides of the crossbeam are provided with connecting assemblies, the arc-shaped support frame is provided with pressing assemblies at positions corresponding to the connecting assemblies, and the bottom of the support leg is provided with a fixing assembly.

[0006] The connecting assembly comprises a telescopic rod, an A spring and a locking rod, the A spring is sleeved on the outer surface of the telescopic rod, and the locking rod is fixedly connected at one end of the telescopic rod; the pressing assembly comprises a presser, a reset rod, a sliding block and a reset spring, the sliding block is fixedly connected at two sides of the presser, the reset rod is fixedly connected at one side of the sliding block, and the reset spring is sleeved on the outer surface of the reset rod.

[0007] As a further scheme of the utility model: the connecting portion of the cross beam and the arc-shaped support frame is provided with a groove, the connecting assembly is arranged in the groove of the cross beam, the pressing assembly is arranged in the groove of the arc-shaped support frame, both sides of the groove in the arc-shaped support frame are provided with sliding grooves, the sliding block is arranged in the sliding grooves, and one side of the locking rod is in contact with one side of the presser.

[0008] As a further scheme of the utility model: the fixing assembly comprises a counterweight, a mounting rod, a fixing nail, a rotating shaft and a bearing plate, the rotating shaft is fixedly connected at one side of the supporting leg, the bearing plate is fixedly connected at the inner side of the rotating shaft, and the counterweight is fixedly connected on the upper surface of the bearing plate through the mounting rod.

[0009] As a further scheme of the utility model: the bearing plate is provided with a protective plate on one side, and the protective plate wraps the fixing nail through the rotating shaft.

[0010] As a further scheme of the utility model: the inner wall of the supporting leg is provided with a connector, a groove is formed in the middle position of the connector, a floor is arranged above the connector, and a fixer is arranged at the bottom of the floor around the position corresponding to the groove.

[0011] As a further scheme of the utility model: the top end of the supporting leg is provided with an adjustable screw rod, the arc-shaped support frame is arranged on one side of the adjustable screw rod, and an adjustable nut is sleeved on one side of the adjustable screw rod.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、The utility model discloses a cross beam and an arc-shaped support frame are connected through the connecting assembly and the pressing assembly, the locking rod is quickly clamped in the connecting assembly, the connection between the cross beam and the arc-shaped support frame is completed, the pressing assembly is pressed when disassembling, the locking rod is released, the cross beam and the arc-shaped support frame are quickly disassembled and installed, the support structure is efficiently built and adjusted in the narrow and complex space of the mine, and the construction efficiency is improved.

[0014] 2. The utility model discloses a rotatable shaft is arranged on the one side of support leg, and is connected with the bearing plate through the rotatable shaft, and the counterweight is fixed on the upper surface of bearing plate through the mounting rod, and the design is convenient for carrying, can make support leg increase self weight through counterweight, makes support leg can be installed more stably in the mine roadway, strengthens the stability and security of whole equipment.

[0015] Other advantages, objects, and features of the present utility model will be in part apparent and in part pointed out hereinafter based on the accompanying drawings and detailed description, and will be elabrated to those skilled in the art based on the study of the following, or can be taught from the practice of the present utility model. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall schematic diagram in the embodiment of the utility model;

[0017] Figure 2 It is the schematic diagram of the guard plate in the embodiment of the utility model;

[0018] Figure 3 It is Figure 2 The schematic diagram of A in the embodiment of the utility model;

[0019] Figure 4 It is the cross section schematic diagram in the embodiment of the utility model;

[0020] Figure 5 It is Figure 4 The schematic diagram of B in the embodiment of the utility model.

[0021] In the drawing: 1, crossbeam;2, arc support frame;3, support leg;4, connecting assembly;41, telescopic rod;42, A spring;43, lock rod;5, pressing assembly;51, presser;52, reset rod;53, sliding block;5301, sliding groove;54, reset spring;6, fixed assembly;61, counterweight;62, mounting rod;63, fixed nail;64, rotatable shaft;65, bearing plate;7, guard plate;8, connector;81, floor;82, fixer;9, adjustable screw;91, adjustable nut. DETAILED DESCRIPTION

[0022] The specific embodiments of the utility model will be further described below in combination with the drawings, and it needs to be explained here that the description of these embodiments is used to help understanding the utility model, but does not constitute the limitation to the utility model.

[0023] In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0024] Please refer to the accompanying Figure 1 - the accompanying Figure 5The utility model relates to a metal mine roadway supporting structure, including crossbeam 1, arc support frame 2 and support leg 3 constitute, be provided with connecting assembly 4 with this simultaneously in the both sides of crossbeam 1, correspond with the position of arc support frame 2 and connecting assembly 4, then install press component 5, the connecting part of crossbeam 1 and arc support frame 2 all are provided with recess, and connecting assembly 4 is cleverly placed in the recess inside crossbeam 1, and connecting assembly 4 is jointly formed by telescopic link 41, A spring 42 and lock bar 43, wherein, A spring 42 is tightly sleeved in the outer surface of telescopic link 41, provides elastic support for it, and lock bar 43 is stably fixedly connected in one end of telescopic link 41, in the connecting process, can be inserted in the recess inside arc support frame 2 through telescopic link 41 and A spring 42, to reach quick fixing effect, and press component 5 is placed in the recess inside arc support frame 2, and the both sides of recess in arc support frame 2 are provided with sliding groove 5301, and press component 5 is composed of presser 51, reset rod 52, sliding block 53 and reset spring 54, wherein, sliding block 53 is fixedly connected in the both sides of presser 51, and just can be placed in the inside of sliding groove 5301, realize smooth sliding, and one side of lock bar 43 and one side of presser 51 are closely connected, when needing to disassemble, lock bar 43 can be pushed out from the recess in arc support frame 2 through presser 51, to contact locking, reach quick dismounting effect, and reset rod 52 is also fixedly connected in one side of sliding block 53, and reset spring 54 is sleeved in the outer surface of reset rod 52, provides the elastic force for the reset of press component 5.

[0025] Embodiment one, fixed component 6 includes counterweight 61, mounting rod 62, fixed nail 63, rotating shaft 64 and bearing plate 65, rotating shaft 64 is fixedly connected in one side of support leg 3, bearing plate 65 is fixedly connected in the inner side of rotating shaft 64, counterweight 61 is fixedly connected in the upper surface of bearing plate 65 through mounting rod 62, and the one side of bearing plate 65 is provided with fender 7, and fender 7 is wrapped with fixed nail 63 through rotating shaft 64;

[0026] Specifically, the fixing assembly 6 comprises a counterweight 61, a mounting rod 62, a fixing nail 63, a rotating shaft 64 and a bearing plate 65. The rotating shaft 64 is fixedly connected to one side of the support leg 3, providing a rotatable basic structure for the whole fixing assembly 6. The bearing plate 65 is fixedly connected to the inner side of the rotating shaft 64. The counterweight 61 is fixedly connected to the upper surface of the bearing plate 65 through the mounting rod 62. Such a design facilitates flexible carrying of the counterweight 61 during construction, and timely adjustment of the position of the counterweight 61 according to actual needs. On the other hand, the existence of the counterweight 61 significantly increases the weight of the support leg 3, so that the support leg 3 can be more stably installed in the mine tunnel, thereby greatly enhancing the stability and safety of the whole device. In addition, a guard plate 7 is installed on one side of the bearing plate 65. When it is necessary to carry, the guard plate 7 can cleverly wrap the fixing nail 63 in the rotating bearing plate 65. The guard plate 7 plays a double protection role, which can prevent the fixing nail 63 from loosening or falling off accidentally due to external factors, ensure the reliability of the fixing assembly 6, and also avoid accidental collision of the fixing nail 63 with the staff during the tunnel operation, thereby further improving the safety during the use of the device. In this way, through the cooperative work of various components of the fixing assembly 6, the stable installation of the support leg 3 in the mine tunnel is realized, thereby providing a strong guarantee for the stability of the whole metal mine tunnel support structure.

[0027] In embodiment two, a connector 8 is installed on the inner wall of the support leg 3. A recess is formed in the middle position of the connector 8. A floor 81 is installed above the connector 8. Fixers 82 are arranged around the bottom of the floor 81 at positions corresponding to the recess. An adjustable screw 9 is installed at the top end of the support leg 3. An arc-shaped support frame 2 is installed on one side of the adjustable screw 9. An adjustable nut 91 is sleeved on one side of the adjustable screw 9.

[0028] Specifically, a connector 8 is installed on the inner wall of the support leg 3, a recess is formed in the middle of the connector 8, a floor 81 is stably installed above the connector 8, the floor 81 can provide a relatively flat and stable standing or walking area for the workers in the mine tunnel, meanwhile, a plurality of fixers 82 are arranged around the bottom of the floor 81, corresponding to the position of the recess of the connector 8, the fixers 82 are tightly matched with the recess of the connector 8, which ensures that the floor 81 is firmly fixed on the connector 8, effectively preventing the floor 81 from shaking or moving during use, thereby ensuring the safety and stability of the working environment, meanwhile, an adjustable screw rod 9 is installed on the top end of the support leg 3, one side of the adjustable screw rod 9 is stably connected with the arc-shaped support frame 2, which provides a key support point for the arc-shaped support frame 2, and plays a role in force transmission and balance between the support leg 3 and the arc-shaped support frame 2, an adjustable nut 91 is further sleeved on one side of the adjustable screw rod 9, by rotating the adjustable nut 91, the workers can flexibly and accurately adjust the extension length of the adjustable screw rod 9, and then according to the actual space height, shape and geological conditions of the mine tunnel and other factors, the height and inclination angle of the arc-shaped support frame 2 are adaptively adjusted, this adjustable design makes the whole metal mine tunnel support structure better fit the inner wall of the tunnel, enhances the supporting effect, effectively deals with the complex and changeable mine tunnel environment, and provides more reliable safety protection for mine mining operation.

[0029] Working principle:

[0030] Firstly, when setting up the device, the parts are transported to the designated position, then the load-bearing plate 65 on one side of the support leg 3 is rotated and adjusted to a horizontal state, the counterweight block 61 is installed on the load-bearing plate 65 through the mounting rod 62, the stability of the support leg 3 is increased by using the counterweight block 61, then the telescopic rod 41 of the connecting assembly 4 on both sides of the cross beam 1 is inserted into the recess position of the arc-shaped support frame 2, the elastic push of the A spring 42 drives the lock rod 43 to be clamped into the recess of the arc-shaped support frame 2, the connection of the cross beam 1 and the arc-shaped support frame 2 is quickly completed, then the arc-shaped support frame 2 is placed on the adjustable screw rod 9 at the top end of the support leg 3, the height and angle of the arc-shaped support frame 2 are adjusted by rotating the adjustable nut 91, so that it better fits the tunnel wall, then the fixers 82 at the bottom of the floor 81 are aligned with the recess position of the connector 8 on the inner wall of the support leg 3, the floor 81 is installed and fixed, when it is necessary to disassemble the support structure, the presser 51 of the pressing assembly 5 in the recess of the arc-shaped support frame 2 is pressed, the sliding blocks 53 on both sides of the presser 51 slide in the sliding groove 5301, driving the reset rod 52 to compress the reset spring 54, at the same time, the presser 51 pushes the lock rod 43, so that it is separated from the recess of the arc-shaped support frame 2, the connection of the cross beam 1 and the arc-shaped support frame 2 is released, other components are sequentially removed, thus the whole working process is completed.

[0031] The above-mentioned front, rear, left, right, top and bottom are based on the directions in the drawings. Figure 1 The front of the device is defined as the side facing the observer, the left is defined as the side to the left of the observer, and so on, according to the standard of the perspective of the observer.

[0032] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the scope of protection of the present application.

[0033] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the described embodiments.

[0034] For those skilled in the art, various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and still fall within the scope of protection of the present application.

Claims

1. A support structure for a metal mine roadway, comprising a crossbeam (1), an arc-shaped support frame (2), and support legs (3), characterized in that: Both sides of the crossbeam (1) are provided with connecting components (4), the arc-shaped support frame (2) is equipped with pressing components (5) at the corresponding positions of the connecting components (4), and the bottom of the support leg (3) is equipped with fixing components (6). The connecting assembly (4) includes a telescopic rod (41), an A spring (42), and a locking rod (43). The A spring (42) is sleeved on the outer surface of the telescopic rod (41), and the locking rod (43) is fixedly connected to one end of the telescopic rod (41). The pressing assembly (5) includes a presser (51), a reset rod (52), a sliding block (53), and a reset spring (54). The sliding block (53) is fixedly connected to both sides of the presser (51), the reset rod (52) is fixedly connected to one side of the sliding block (53), and the reset spring (54) is sleeved on the outer surface of the reset rod (52).

2. The support structure for a metal mine roadway according to claim 1, characterized in that: A groove is provided at the connection between the crossbeam (1) and the arc support frame (2). The connecting component (4) is placed inside the groove of the crossbeam (1). The pressing component (5) is placed inside the groove of the arc support frame (2). Sliding grooves (5301) are provided on both sides of the groove inside the arc support frame (2). The sliding block (53) is placed inside the sliding groove (5301). One side of the locking rod (43) is in contact with one side of the presser (51).

3. The support structure for a metal mine roadway according to claim 1, characterized in that: The fixing component (6) includes a counterweight (61), a mounting rod (62), a fixing nail (63), a rotating shaft (64), and a load-bearing plate (65). The rotating shaft (64) is fixedly connected to one side of the support leg (3), and the load-bearing plate (65) is fixedly connected to the inside of the rotating shaft (64). The counterweight (61) is fixedly connected to the upper surface of the load-bearing plate (65) by the mounting rod (62).

4. The support structure for a metal mine roadway according to claim 3, characterized in that: A guard plate (7) is installed on one side of the load-bearing plate (65), and the guard plate (7) wraps the fixing nail (63) through the rotating shaft (64).

5. The support structure for a metal mine roadway according to claim 1, characterized in that: The inner wall of the support leg (3) is equipped with a connector (8), and a groove is provided in the middle of the connector (8). A floor (81) is installed above the connector (8), and a retainer (82) is provided around the bottom of the floor (81) at the position corresponding to the groove.

6. The support structure for a metal mine roadway according to claim 1, characterized in that: An adjustable screw (9) is installed at the top of the support leg (3), an arc-shaped support frame (2) is installed on one side of the adjustable screw (9), and an adjustable nut (91) is sleeved on one side of the adjustable screw (9).

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