CN218759966U

CN218759966U - Protective device

Info

Publication number: CN218759966U
Application number: CN202222843839.4U
Authority: CN
Inventors: 陈飞; 王小虎; 章涛; 王俭; 樊成向
Original assignee: Sichuan Huayingshan Guangneng Group Jiahua Machinery Co ltd
Current assignee: Sichuan Jiahua Machinery Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-03-28
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a protective device, including supporting component A, the back timber that supporting component B and slope set up, the short tip of back timber articulates there are a plurality of supporting component A, the high-end of back timber articulates there are a plurality of flexible component A, flexible component A's the other end is articulated with supporting component B, the high-end of back timber is provided with rotatable high group and keeps off the waste rock board, and high group keeps off the waste rock board and passes through the drive of telescoping device C, the short tip of back timber is provided with rotatable low group and keeps off the waste rock board, and low group keeps off the waste rock board and passes through the drive of telescoping device B. The utility model has the advantages that: establish flexible subassembly A in the middle of the canopy roof beam to adapt to the canopy roof beam inclination and change, both sides set up the waste rock board respectively about the canopy roof beam, adapt to the change of tunnel width, guarantee the sectional effective supporting area in tunnel.

Description

Protective device

Technical Field

The utility model relates to a protection of pedestrian and equipment in export special-shaped tunnel on big high face of adopting of big inclination, especially a protector.

Background

The upper outlet is the intersection of equipment and personnel concentration and the entrance and exit of personnel, equipment and materials to and from the working surface, and has concentrated stress and large pressure, so that the end support of the working surface must be well arranged in the area, the smoothness of the outlet is kept, and the safety of pedestrians is particularly important. If only the anchor rod (cable), the reinforcing steel bar support beam frame and the metal mesh are combined for supporting, the safety of personnel can not be completely guaranteed.

The conventional high-inclination-angle working face upper outlet safety management generally adopts a wood buttress support, a single support, a frame beam support, a hydraulic support, a gob-side entry retaining roadside support, a wall head pressure evolution support, an advance hydraulic support and the like, the current high utilization rate is an end hydraulic support and an advance hydraulic support, but according to the flower mountain coal mine 24152 air return lane (upper outlet) of the Sichuan coal Huarong energy limited responsibility company, the maximum upper wall height is 11m, the lower wall height is more than 5m, the local lower wall height is more than 2.5m, the lane width is 4.3-4.5 m, the local maximum width is 5m, the inclination angle of the working face and the top plate of the lane is less than or equal to 40 degrees, and the relative stable inclination angle is about 35 degrees. The coal seam has a large inclination angle, the sectional shape of the roadway is irregular, the variation of the height difference of the roadway is large, the roadway condition of digging and conveying along the roof of the coal seam, the wall head or the advance support is applied to the upper outlet support and only adapts to a horizontal rectangular port, the variation of the height difference of the roadway is not too large, the height of the roadway cannot be too high, otherwise, the support cannot be effectively connected with the roof, and the support is difficult to move forwards. And the end head or the fore support has complex structure, large overall dimension, heavy weight, difficult installation and transportation and higher cost. Therefore, a supporting mode needs to be researched again to adapt to the safety protection of the pedestrians at the exit on the large-dip-angle and large-mining-height working surface.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a protector.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a protective device, including supporting component A, the back timber that supporting component B and slope set up, the short tip of back timber articulates there are a plurality of supporting component A, the high-end of back timber articulates there are a plurality of flexible component A, flexible component A's the other end is articulated with supporting component B, the high-end of back timber is provided with rotatable high group and keeps off the waste rock board, and high group keeps off the waste rock board and passes through flexible component C drive, the short tip of back timber is provided with rotatable low group and keeps off the waste rock board, and short group keeps off the waste rock board and passes through flexible component B drive.

Optionally, the supporting component B comprises a base, guide cylinders and guide rods, the guide cylinders are installed on the base in pairs, the two guide cylinders are arranged at intervals longitudinally, the bottom of each guide rod is in sliding fit in each guide cylinder, the top of each guide rod is provided with a hinged seat, each hinged seat is located above each guide cylinder, and the telescopic component a is hinged to the corresponding hinged seat.

Optionally, the supporting component a comprises a base, guide cylinders and guide rods, the guide cylinders are installed on the base in pairs, the two guide cylinders are arranged at a longitudinal interval, the bottom of each guide rod is in sliding fit in each guide cylinder, an articulated seat is arranged at the top of each guide rod and located above each guide cylinder, a plurality of telescopic components F are further installed on the base in an articulated mode, the telescopic components F are arranged at a longitudinal interval, and the tops of the telescopic components F are hinged to the short end portions of the top beam.

Optionally, the outer side of the guide cylinder is fixedly provided with a jacking table, the jacking table is hinged with a telescopic assembly E, the other end of the telescopic assembly E is hinged with a guide wheel, the guide wheel is located on the guide rail, the guide wheel slides along the guide rail, and a groove body through which the guide rail penetrates is transversely formed in the base.

Optionally, two adjacent jacking tables on the adjacent telescopic assemblies A are connected through the telescopic assembly D.

Optionally, the high-side waste rock blocking plate is hinged to the top of the top beam, one end of the telescopic assembly C is hinged to the high-side waste rock blocking plate, and the other end of the telescopic assembly C is hinged to the top of the top beam.

Optionally, the low-wall waste rock blocking plate is hinged to the bottom of the top beam, one end of the telescopic assembly B is hinged to the low-wall waste rock blocking plate, and the other end of the telescopic assembly B is hinged to the bottom of the top beam.

Optionally, the number of the supporting assemblies a corresponds to that of the supporting assemblies B, and in the transverse direction, the guide cylinders of the supporting assemblies a are connected with the guide cylinders of the corresponding supporting assemblies B through reinforcing beams.

Optionally, the telescopic assembly a, the telescopic assembly B, the telescopic assembly C, the telescopic assembly D, the telescopic assembly E and the telescopic assembly F are jacks.

The utility model has the advantages of it is following:

1. the utility model discloses a protector adopts the mode of taking a step to move by oneself, realizes the antedisplacement walking of protector, and the mode advantage of taking a step by oneself is adaptable tunnel undulation and changes, and the moving process relies on the flexible of flexible subassembly E and flexible subassembly D, can realize walking without supporting with the top, reduces the destruction to the stock anchor rope;

2. the supporting component of the protective device has the telescopic function, the telescopic ratio is large, and the weight is lighter compared with a four-bar structure with the same height range;

3. establish flexible subassembly A in the middle of the canopy roof beam to adapt to the canopy roof beam inclination and change, both sides set up the waste rock board respectively about the canopy roof beam, adapt to the change of tunnel width, guarantee the sectional effective support area in tunnel.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation of the telescoping assembly D;

in the figure, 1-top beam, 2-telescopic assemblies A, 3-hinged seats, 4-short-side waste rock blocking plate, 5-telescopic assemblies B, 6-high-side waste rock blocking plate, 7-telescopic assemblies C, 8-guide rod, 9-guide cylinder, 10-base, 11-telescopic assemblies D, 12-telescopic assemblies E, 13-jacking platform, 14-guide wheel, 15-guide rail, 16-telescopic assemblies F and 17-reinforcing beam.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, a protector, including supporting component a, top beam 1 that supporting component B and slope set up, the short tip of top beam 1 articulates there are a plurality of supporting component a, the high tip of top beam 1 articulates there are a plurality of flexible components A2, the other end of flexible component A2 is articulated with supporting component B, the high tip of top beam 1 is provided with rotatable high group waste rock blocking board 6, and high group waste rock blocking board 6 passes through flexible component C drive, the short tip of top beam 1 is provided with rotatable low group waste rock blocking board 4, and low group waste rock blocking board 4 passes through flexible component B drive, flexible through flexible component A2, can adjust the inclination of top beam 1, when using, then can adjust the inclination of top beam 1 according to the inclination in tunnel, and flexible through flexible component B5, can adjust the contained angle of high group waste rock blocking board 6 and top beam 1, flexible through flexible component C7, can adjust the inclination of low group waste rock blocking board 4 and top beam 1, thereby can adjust the width of tunnel, thereby can adapt to the change of tunnel width, guarantee the effective waste rock blocking board is strutted by the high group waste rock blocking board 4 and high group waste rock blocking board in this embodiment, the effective waste rock blocking board is strutted by high group waste rock blocking board 1.

In this embodiment, as shown in fig. 1, the supporting component B includes a base 10, guide cylinders 9 and guide rods 8, guide cylinders 9 are installed on the base 10 in pairs, and two guide cylinders 9 are disposed at a longitudinal interval, the bottom of each guide rod 8 is slidably fitted in each guide cylinder 9, and the top of each guide rod 8 is provided with a hinge seat 3, each hinge seat 3 is located above each guide cylinder 9, the telescopic component A2 is hinged to the corresponding hinge seat 3, further, the inner cavity of each guide cylinder 9 is a square cylinder, each guide rod 8 is a square rod, and the size of each hinge seat 3 is larger than that of each guide cylinder 9, so that after the guide rods 8 are fitted and inserted into the guide cylinders 9, each hinge seat 3 can play a limiting role, when each hinge seat 3 is in a downward stroke, each hinge seat 3 is in contact with the top of each guide cylinder 9, and after each pull hinge seat 3 is upward, each guide rod 8 can move upward along the guide cylinder 9.

In this embodiment, as shown in fig. 1 and fig. 2, the supporting assembly a includes a base 10, guide cylinders 9 and guide rods 8, the guide cylinders 9 are installed on the base 10 in pairs, and the two guide cylinders 9 are longitudinally spaced apart, the bottom of the guide rod 8 is slidably fitted in the guide cylinders 9, and the top of the guide rod 8 is provided with a hinge seat 3, the hinge seat 3 is located above the guide cylinders 9, in this embodiment, the supporting assembly a and the supporting assembly B have substantially the same structure, but the supporting assembly a is further hinged with a plurality of telescopic assemblies F16 on the base 10, the plurality of telescopic assemblies F16 are longitudinally spaced apart, the top of the telescopic assemblies F16 is hinged with the short end of the top beam 1, when the telescopic assemblies F16 extend, the telescopic assemblies F16 drive the top beam 1 to move upwards, when the guide rods 8 of the supporting assembly a move upwards along the guide cylinders 9, when the top beam 1 moves upwards, the top beam 1 applies a pulling force to the guide rod 8 of the support assembly a through the telescopic assembly A2, so that the guide rod 8 of the support assembly a goes up along the corresponding guide cylinder 9, when the telescopic assembly a goes down, the guide rod 8 of the support assembly a goes up along the guide cylinder 9, at this time, during the upward going process of the top beam 1, the top beam 1 applies a pushing force to the guide rod 8 of the support assembly a through the telescopic assembly A2, so that the guide rod 8 of the support assembly a goes down along the corresponding guide cylinder 9, when the top beam 1 bears a heavy object, the top beam 1 has a downward trend, at this time, the telescopic assembly F16 is not moved, the telescopic assembly F16 bears most of the downward pressure, in addition, because the top beam 1 is arranged obliquely, at this time, the top beam 1 has a downward pressure and also has a transverse pushing force to the corresponding hinge base 3 through the telescopic assembly A2, because the guide rod 8 and the guide cylinder 9 are matched, guide bar 8 then hugs closely with guide cylinder 9 under the thrust effect this moment, and then increases the frictional force of guide bar 8 and guide cylinder 9, and this frictional force then can offset the pressure that articulated seat 3 received to can avoid back timber 1 incline and down, and then can play fine supporting role to back timber 1 through strutting arrangement A and strutting arrangement B, guaranteed the reliability of canopy roof beam to roadway support.

In this embodiment, as shown in fig. 2, a jacking table 13 is further fixedly installed on the outer side of the guiding cylinder 9, a telescopic assembly E12 is hinged on the jacking table 13, in this embodiment, in order to ensure the vertical lifting and the vertical falling of the telescopic assembly, a limit groove is opened on the jacking table 13, the telescopic assembly E12 is located in the limit groove, the other end of the telescopic assembly E12 is hinged with a guide wheel 14, the guide wheel 14 is located on a guide rail 15, the guide wheel 14 slides along the guide rail 15, a groove body through which the guide rail 15 passes is opened on the base 10 in the transverse direction, in use, the base 10 is located on the ground, the guide rail 15 traverses from the base 10, in this embodiment, the moving direction of the protecting device is in the transverse direction, when the telescopic assembly A2 needs to slide, the telescopic assembly E12 extends out, the telescopic assembly E12 exerts an upward external force on the jacking table 13, the jacking table 13 drives the guiding cylinder 9 to move upward, and at this time, the base 10 is separated from the ground, the guide wheel 14 can slide along the guide rail 15, in this embodiment, the protection device walks in a stepping self-moving manner, specifically, two adjacent jacking platforms 13 on adjacent telescopic assemblies A2 are connected through a telescopic assembly D11, for convenience of description, in two adjacent telescopic assemblies B5, the front telescopic assembly A2 is a front telescopic assembly, the rear telescopic assembly A2 is a rear telescopic assembly, when a user needs to step forward, the telescopic assembly E12 of the rear telescopic assembly is not moved, at this time, the rear telescopic assembly is also not moved, the telescopic assembly E12 on the front telescopic assembly extends out, so that the base 10 on the front telescopic assembly is separated from the ground, then the telescopic assembly D11 extends out, so as to apply a thrust to the front telescopic assembly, the front telescopic assembly moves forward under the thrust, after the movement is completed, the telescopic assembly E12 on the front telescopic assembly resets, the telescopic assembly E12 on the rear telescopic assembly extends out, make back flexible subassembly base 10 break away from ground, then flexible subassembly D11 resets, and flexible subassembly D11 exerts the pulling force to back flexible subassembly, and back flexible subassembly moves forward, and flexible subassembly removes when the back is accomplished the back, and flexible subassembly E12 on the flexible subassembly of back resets to make back flexible subassembly fix subaerial again, thereby accomplish this protector's taking a step.

In this embodiment, as shown in fig. 1, the high-wall waste rock blocking plate 6 is hinged to the top of the top beam 1, one end of the telescopic assembly C7 is hinged to the high-wall waste rock blocking plate 6, the other end of the telescopic assembly C7 is hinged to the top of the top beam 1, through the telescopic assembly C7, the included angle between the high-wall waste rock blocking plate 6 and the top beam 1 can be changed, further, the low-wall waste rock blocking plate 4 is hinged to the bottom of the top beam 1, one end of the telescopic assembly B5 is hinged to the low-wall waste rock blocking plate 4, the other end of the telescopic assembly B5 is hinged to the bottom of the top beam 1, and through the telescopic assembly B5, the included angle between the low-wall waste rock blocking plate 4 and the top beam 1 can be changed.

In the present embodiment, as shown in fig. 1, the number of the supporting assemblies a and the number of the supporting assemblies B correspond, and in the transverse direction, the guide cylinder 9 of the supporting assembly a and the guide cylinder 9 of the corresponding supporting assembly B are connected through the reinforcing beam 17, preferably, the reinforcing beam 17 is located at the top area of the guide cylinder 9, so that the stability of the protection device is increased under the condition that the passing space of pedestrians and equipment is ensured.

In this embodiment, this protector mainly used condition is relatively poor tunnel, especially the underground roadway of mineral exploitation, and consequently its condition is relatively poor, and consequently, in this embodiment, telescopic component A2, telescopic component B5, telescopic component C7, telescopic component D11, telescopic component E12, telescopic component F16 are the jack, and of course, under the condition that satisfies the condition, telescopic component A2, telescopic component B5, telescopic component C7, telescopic component D11, telescopic component E12, telescopic component F16 also can adopt hydro-cylinder or cylinder.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A protective device, characterized by: the back timber that sets up including supporting component A, supporting component B and slope, the short tip of back timber articulates there is a plurality of supporting component A, the high end of back timber articulates there are a plurality of flexible component A, flexible component A's the other end with supporting component B is articulated, the high end of back timber is provided with rotatable high group and keeps off the waste rock board, just high group keeps off the waste rock board and passes through flexible component C drive, the short tip of back timber is provided with rotatable low group and keeps off the waste rock board, just low group keeps off the waste rock board and passes through flexible component B drive.

2. A protective device according to claim 1, wherein: the supporting component B comprises a base, a guide cylinder and a guide rod, the guide cylinder is installed on the base in pairs, the guide cylinder is arranged at a longitudinal interval, the bottom of the guide rod is in sliding fit with the inside of the guide cylinder, a hinged seat is arranged at the top of the guide rod and located above the guide cylinder, and the telescopic component A is hinged to the hinged seat.

3. A protective device according to claim 1, wherein: the supporting component A comprises a base, a guide cylinder and a guide rod, the guide cylinder and the guide rod are installed on the base in pairs, the guide cylinder is arranged at a longitudinal interval, the bottom of the guide rod is in sliding fit with the inside of the guide cylinder, an articulated seat is arranged at the top of the guide rod and is located above the guide cylinder, a plurality of telescopic components F are further installed on the base in an articulated mode and are arranged at a longitudinal interval, and the top of each telescopic component F is hinged with the short end of the top beam.

4. A guard according to claim 2 or 3, characterised in that: the outer side of the guide cylinder is fixedly provided with a jacking table, the jacking table is hinged with a telescopic assembly E, the other end of the telescopic assembly E is hinged with a guide wheel, the guide wheel is located on the guide rail, the guide wheel is arranged along the guide rail in a sliding manner, and the base is transversely provided with a groove body through which the guide rail passes.

5. A guard according to claim 4, characterised in that: two adjacent jacking tables on the adjacent telescopic assemblies A are connected through a telescopic assembly D.

6. A guard according to claim 5, characterised in that: the high-side waste rock blocking plate is hinged to the top of the top beam, one end of the telescopic assembly C is hinged to the high-side waste rock blocking plate, and the other end of the telescopic assembly C is hinged to the top of the top beam.

7. A guard according to claim 5, characterised in that: the low-side waste rock blocking plate is hinged to the bottom of the top beam, one end of the telescopic assembly B is hinged to the low-side waste rock blocking plate, and the other end of the telescopic assembly B is hinged to the bottom of the top beam.

8. A guard according to claim 5, characterised in that: the number of the supporting assemblies A corresponds to that of the supporting assemblies B, and in the transverse direction, the guide cylinders of the supporting assemblies A are connected with the guide cylinders of the supporting assemblies B through reinforcing beams.

9. A guard according to claim 6, characterised in that: the telescopic component A, the telescopic component B, the telescopic component C, the telescopic component D and the telescopic component E are jacks.