CN220505061U - Mine end support - Google Patents

Abstract

The utility model belongs to the technical field of mine support equipment, and contemplates a mine end support, which comprises mounting seats at the front side and the rear side of the bottom and a top plate at the top; the front and back sides both ends all weld the backplate about the mount pad, the regulation hole has been vertically seted up on the leading flank of backplate, and the both ends backplate all installs first detection claw through the regulation hole, first detection claw is including accomodating board, scale pole and fixed plate, the fixed orifices has been seted up at the leading flank top of accomodating the board, and the fixed orifices is corresponding with the regulation hole of backplate, the expansion tank has been seted up at the middle part of accomodating the board, and the scale pole is pegged graft in the expansion tank, be provided with the spring between the top of scale pole and the expansion tank top, the top of scale pole is the transverse plate of joint in the expansion tank, because the specificity of pit operation, needs to carry out safety monitoring to support supporting position, but traditional support does not have relevant measure, in case the supporting position takes place to collapse and all is the disaster to inside operating personnel.

Description

Mine end support

Technical Field

The utility model relates to the technical field of mine support equipment, in particular to a mine end support.

Background

In mining, a mine such as a coal mine is often required to be tunneled in a pit, and a working point during collection of the mine is required to be temporarily reinforced to form a stable supporting surface, so that special equipment is required to carry out reinforcement and support. In the using process of the traditional end bracket, the problems that the supporting force of the traditional bracket is insufficient, the hydraulic rods on two sides are supported, if the hydraulic rods leak oil, the transmission ratio and the supporting force cannot be obtained, and the hydraulic rods are dangerous in a pit are solved, so that the improvement is carried out; meanwhile, due to the particularity of pit collecting operation, safety monitoring needs to be carried out on the supporting position of the support, but the traditional support does not have relevant measures, once the supporting position collapses, the supporting position is catastrophic to operators in the interior, so that an integrated support capable of giving early warning on the collapse of the supporting surface is needed, and a mine end support is provided.

Disclosure of Invention

The utility model aims to provide a mine end bracket so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a mine end support comprises a mounting seat at the front side and the rear side of the bottom and a top plate at the top;

the left end and the right end of the mounting seat are welded with guard plates, the front side surface of the guard plates is longitudinally provided with adjusting holes, the guard plates at the two ends are provided with first detection claws through the adjusting holes, each first detection claw comprises a storage plate, a scale rod and a fixing plate, the top of the front side surface of each storage plate is provided with a fixing hole, the fixing holes correspond to the adjusting holes of the guard plates, the middle of each storage plate is provided with a telescopic groove, the scale rod is inserted into each telescopic groove, a spring is arranged between the top of each scale rod and the top of each telescopic groove, the top of each scale rod is a transverse plate clamped in each telescopic groove, the left end of each transverse plate is provided with a movable pulley, each pulley is propped against the side wall of each telescopic groove leftwards, the bottom of each storage groove of each storage plate is fixedly provided with a limiting block, and the left side of the top of each storage plate front side surface is fixedly provided with a buzzer through a screw;

the battery compartment is offered to the left side inner wall of collecting plate, and installs the battery in the battery compartment, the left side wall of collecting tank is close to the position of stopper and is provided with the paster formula trigger switch, and trigger switch and pulley are located same straight line, the left side outer wall of collecting plate is close to the position of battery compartment and is provided with battery switch, trigger switch and buzzer electric connection, the battery respectively with battery switch, front and back side both ends all are provided with main hydraulic stem about the top of mount pad, both ends are all through sleeve pivot movable mounting pterygoid lamina about the roof, both ends the top of main hydraulic stem meets with the pterygoid lamina at both ends respectively, front and back side all be fixed with vice hydraulic stem in the middle of the top of mount pad, vice hydraulic stem's top welding is in the middle part of roof rather than vertically position, front and back side the spout has all been offered to the top left and right sides of mount pad, front and back side install crisscross support piece between mount pad and the roof.

Preferably, a side hydraulic rod is further connected between the top of the guard plate and the main hydraulic rod, and sleeve rotating shafts are welded at the top and the bottom of the side hydraulic rod and are movably connected with the guard plate and the main hydraulic rod.

Preferably, the top parts of the left end and the right end of the outer side surface of the top plate are respectively provided with a second detection claw, the second detection claws and the first detection claws have the same structure, the detection direction of the second detection claws faces upwards, and the position of a trigger switch of the second detection claws is close to the fixed hole.

Preferably, the bottom of the support piece is welded with sliding blocks, and the sliding blocks are respectively and correspondingly clamped in the sliding grooves.

Preferably, the left end and the right end of the sliding block are both provided with fastening bolts, equidistant screw holes are formed in the bottom of the sliding groove, and the sliding block is fixed in the sliding groove through the fastening bolts.

Preferably, the top of the supporting piece is welded on two sides of the bottom of the top plate respectively, and the installed position of the supporting piece is close to the outer side of the auxiliary hydraulic rod.

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

1. in the scheme, a plurality of groups of hydraulic rods are arranged between a top plate and a mounting seat for full-scale support, and crossed auxiliary supporting pieces are arranged outside the hydraulic rods, and can be used for adjusting the stretching angle in a limited manner and flexibly fixed by using fastening bolts; the wing plates at the two sides of the top plate can adjust the extension length according to the needs so as to adapt to the use conditions of different roadways;

2. the detection claws for the top surface and the ground of the pit are arranged on the outer side surfaces of the top plate and the mounting seat, when the top surface and the ground collapse due to loosening, the buzzer can be triggered for alarming at the first time, the operators are reminded to pay attention to protection and reinforcement or emergency evacuation, a risk avoiding measure is provided for related operators in the special operation environment of the pit, and the evacuation opportunity is increased.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a cross-sectional view of a first probing pawl of the present utility model;

FIG. 3 is a cross-sectional view of a first detection claw receiving plate of the utility model;

FIG. 4 is a cross-sectional view of a second probing pawl of the present utility model;

FIG. 5 is a cross-sectional view of a second detection claw receiving plate of the present utility model;

in the figure: the device comprises a mounting seat 1, a protection plate 2, a first detection claw 3, a fixing hole 31, a storage plate 32, a scale rod 33, a fixing plate 34, a spring 35, a buzzer 36, a battery 37, a trigger switch 38, a pulley 39, a main hydraulic rod 4, a side support rod 5, a top plate 6, a wing plate 7, a second detection claw 8, a secondary hydraulic rod 9, a fastening bolt 10, a support piece 11, a slider 12, a sliding groove 13, a limiting block 14 and a battery switch 15.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples:

referring to fig. 1-5, the present utility model provides a technical solution for a mine end support: the device comprises a mounting seat 1 at the front side and the rear side of the bottom and a top plate 6 at the top, wherein the space between the mounting seat 1 at the front side and the rear side forms a temporary tunnel, the top plate 6 supports the top of the temporary tunnel, the left end and the right end of the mounting seat 1 at the front side and the rear side are both welded with guard plates 2, the front side surface of the guard plates 2 is longitudinally provided with adjusting holes, the guard plates 2 at the two ends are provided with first detecting claws 3 through the adjusting holes by using bolts, the relative heights of the first detecting claws 3 and the ground are adjusted in different adjusting holes by installing the first detecting claws 3 in different adjusting holes, the first detecting claws 3 comprise a containing plate 32, a scale rod 33 and a fixing plate 34, the bottom of the scale rod 33 is connected with the fixing plate 34 by screws, the bottom of the fixing plate 34 is provided with long anchor nails, the top of the front side surface of the containing plate 32 is provided with fixing holes 31 corresponding to the adjusting holes of the guard plates 2, the middle part of the containing plate 32 is provided with telescopic grooves, the scale rod 33 is inserted in the telescopic slot, the scale rod 33 is provided with standard metric scales, the relative position change with the ground is judged through the scales stretched out by the storage plate 32, a spring 35 is arranged between the top of the scale rod 33 and the top of the telescopic slot, the scale rod 33 is vertical to the ground, the inward compression spring 35 keeps a certain thrust force and then is fixed on the ground, the top of the scale rod 33 is a transverse plate clamped in the telescopic slot, the left end of the transverse plate is provided with a movable pulley 39, the pulley 39 is propped against the side wall of the telescopic slot leftwards, the bottom of the storage slot of the storage plate 32 is fixedly provided with a limiting block 14, the size of the transverse plate is larger than the opening of the limiting block 14, so that the transverse plate cannot be clamped in the telescopic slot, and the left side of the top of the front side of the storage plate 32 is fixedly provided with a buzzer 36 through a screw;

the left inner wall of the storage plate 32 is provided with a battery compartment, the side of the battery compartment is provided with an axially-connected opening and closing cover plate which can be freely opened, a battery 37 is arranged in the battery compartment, the position, close to the limiting block 14, of the left side wall of the storage groove is provided with a patch type trigger switch 38, the trigger switch 38 is a non-locking rebound switch, the trigger switch 38 and a pulley 39 are positioned on the same straight line, when the pulley 39 slides to the position to squeeze the pulley, the passage of the battery 37 and a buzzer 36 is connected, the buzzer 36 gives out alarm sounds, the pulley 39 is upwards far away from the trigger switch 39 and then stands up Ma Huidan to cut off the passage, so that the buzzer 36 is still in a closed state, the position, close to the battery compartment, of the left outer wall of the storage plate 32 is provided with a battery switch 15, when the battery switch 5 is pressed down, so that the whole passage is in a power-off state, the pulley 39 is prevented from being pushed to the trigger switch 38 by the spring 35 to trigger useless alarm sound, the battery 37 is electrically connected with the battery switch 15, the trigger switch 38 and the buzzer 36 respectively, the left and right ends of the top of the installation seat 1 are respectively provided with a main hydraulic rod 4, the left and right ends of the top plate 6 are movably provided with wing plates 7 through sleeve rotating shafts, the connection part of the top plate 6 and the wing plates 7 is a half groove with downward opening, the wing plates 7 can realize the length of the span by adjusting the relative installation positions on the top plate 6, the tops of the main hydraulic rods 4 are respectively connected with the wing plates 7 at the two ends, the middle parts of the tops of the front and rear sides of the installation seat 1 are respectively provided with auxiliary hydraulic rods 9, the tops of the auxiliary hydraulic rods 9 are welded at the positions of the middle parts of the top plate 6 perpendicular to the middle parts of the top plate, the left and right sides of the top of the installation seat 1 are respectively provided with sliding grooves 13, a crossed supporting piece 11 is arranged between the mounting seat 1 and the top plate 6 on the front side and the rear side;

further, a side hydraulic rod 5 is further connected between the top of the guard plate 2 and the main hydraulic rod 4, sleeve rotating shafts are welded at the top and the bottom of the side hydraulic rod 5 and are movably connected with the guard plate 2 and the main hydraulic rod 4, and the side hydraulic rod 5 at the position performs auxiliary support on the main hydraulic rod 4 so as to further strengthen the supporting force;

further, the top parts of the left and right ends of the outer side surface of the top plate 6 are respectively provided with a second detection claw 8, the second detection claws 8 have the same structure as the first detection claws 3, but the detection directions of the second detection claws 8 are upward, and the trigger switch 38 of the second detection claws 8 is positioned close to the fixed hole 31;

the second detection claw 8 is used for detecting the collapse condition of the mine surface at the top of the temporary roadway, the first detection claw 3 is used for detecting the collapse condition of the ground of the temporary roadway, the same telescopic and fixed structure is used as the first detection claw 3, but the detection directions of the two detection claws are opposite;

further, the bottom of the supporting piece 11 is welded with a sliding block 12, and the sliding blocks 12 are respectively and correspondingly clamped in the sliding grooves 13;

furthermore, fastening bolts 10 are arranged at the left end and the right end of the sliding block 12, equidistant screw holes are formed in the bottom of the sliding groove 13, the sliding block 12 is fixed in the sliding groove 13 through the fastening bolts 10, the sliding block 12 can be adjusted in the sliding groove 13 left and right to adapt to the stretching angle of the supporting piece 11, and then the sliding block is locked by adapting to the fastening bolts 10;

further, the top of the supporting member 11 is welded to both sides of the bottom of the top plate 6, and the supporting member 11 is mounted at a position close to the outer side of the auxiliary hydraulic rod 9.

Working principle: when the scheme is used, the main hydraulic rod 4 and the auxiliary hydraulic rod 9 are lifted, the mounting seat 1 and the top plate 6 are fixedly arranged in a pit to form a temporary tunnel, then the reinforcement angle of the supporting piece 11 is adjusted, the first detection claw 3 and the second detection claw 8 are respectively fixed on the outer side surfaces of the guard plate 2 and the top plate 6 by using the fastening bolts 10, the fixing plates 34 are inserted and connected on the ground and the top surface of the pit, long anchor nails are arranged on the fixing plates 34 and can assist in insertion and connection, the scale rod 33 is contracted inwards during insertion, the spring 35 keeps a certain outward thrust, the change of the temporary ground and the top surface at the position can be intuitively detected by observing the change of scale marks exposed on the scale rod 33, the scale rod 33 of the first detection claw 3 is completely stretched out when the ground is collapsed at the detection position, the pulley 39 slides downwards and presses the trigger switch 38, the battery 37 and the circuit of the buzzer 36 are electrified, and the buzzer 36 gives out alarm sounds; the second detection claw 8 has the same structure as the first detection claw 3, but the detection direction is upward, when the ore on the top surface of the pit collapses, the fixed plate 34 is pressed downwards, the pulley 39 slides downwards and presses the trigger switch 38 to give out alarm sound, the staff is reminded to urgently check the reinforcement condition of the temporary tunnel, whether the reinforcement condition is further reinforced or the staff is evacuated is judged according to the condition, and when the detection claw is not used, the battery switch 15 is pressed to cut off the power supply passage of the battery 37, so that the buzzer 36 is prevented from being triggered to give out sound of the side ears.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a mine end support, mount pad (1) and roof (6) at top, its characterized in that including bottom front and back side:

the front side and the rear side both ends of controlling of mount pad (1) all are welded backplate (2), the regulation hole has been vertically seted up on the leading flank of backplate (2), and first detection claw (3) are all installed through the regulation hole to both ends backplate (2), first detection claw (3) are including accomodating board (32), scale bar (33) and fixed plate (34), fixed hole (31) have been seted up at the leading flank top of accomodating board (32), and fixed hole (31) correspond with the regulation hole of backplate (2), the expansion groove has been seted up at the middle part of accomodating board (32), and scale bar (33) peg graft in the expansion groove, be provided with spring (35) between the top of scale bar (33) and the expansion groove top, the top of scale bar (33) is the transverse plate of joint in the expansion groove, and the left end of transverse plate is provided with movable pulley (39), and the pulley (39) butt left on the lateral wall of expansion groove, accomodate the storage groove bottom of board (32) is fixed with stopper (14), the buzzer (36) have the top of accomodating side through the side of the buzzer (36);

the battery compartment is offered to the left side inner wall of accomodating board (32), and installs battery (37) in the battery compartment, the left side wall of accomodating the groove is close to the position of stopper (14) and is provided with paster formula trigger switch (38), and trigger switch (38) and pulley (39) are located same straight line, the left side outer wall of accomodating board (32) is close to the position of battery compartment and is provided with battery switch (15), battery (37) respectively with battery switch (15), trigger switch (38) and buzzer (36) electric connection, front and back side both ends all are provided with main hydraulic stem (4) about the top of mount pad (1), both ends all meet through sleeve pivot movable mounting pterygoid lamina (7) about the top of roof (6) respectively with both ends (7), the front and back side all be fixed with vice hydraulic stem (9) in the middle of the top of mount pad (1), the top welding of vice hydraulic stem (9) is in the position of 6 middle part rather than vertically, front and back side mount pad (1) have both sides to set up between mount pad (13) and mount pad (1).

2. A mine end bracket as defined in claim 1, wherein: the side hydraulic rods (5) are further connected between the top of the guard plate (2) and the main hydraulic rods (4), and sleeve rotating shafts are welded at the top and the bottom of the side hydraulic rods (5) and are movably connected with the guard plate (2) and the main hydraulic rods (4).

3. A mine end bracket as defined in claim 1, wherein: the top of both ends all is provided with second detection claw (8) about the lateral surface of roof (6), the structure of second detection claw (8) and first detection claw (3) is the same, but the direction of detection of second detection claw (8) up, and the position of trigger switch (38) of second detection claw (8) is close to fixed orifices (31).

4. A mine end bracket as defined in claim 1, wherein: the bottoms of the supporting pieces (11) are welded with sliding blocks (12), and the sliding blocks (12) are respectively and correspondingly clamped in the sliding grooves (13);

the left end and the right end of the sliding block (12) are respectively provided with a fastening bolt (10), equidistant screw holes are formed in the bottom of the sliding groove (13), and the sliding block (12) is fixed in the sliding groove (13) through the fastening bolts (10).

5. A mine end bracket as defined in claim 1, wherein: the tops of the supporting pieces (11) are welded on two sides of the bottom of the top plate (6) respectively, and the installed positions of the supporting pieces (11) are close to the outer sides of the auxiliary hydraulic rods (9).