CN210324916U

CN210324916U - Movable warning board for coal mine safety

Info

Publication number: CN210324916U
Application number: CN201921742470.XU
Authority: CN
Inventors: 胡浩; 张贵生; 袁安营; 张明; 焦振华; 张通
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-04-14
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a warning sign is used in portable coal mine safety, including warning sign main part and base, be provided with the bracing piece between warning sign main part and the base, and the top of bracing piece is provided with the regulation pole, the spout has been seted up to the inside of bracing piece, and the inside slidable mounting of spout has the slider, the top threaded connection of bracing piece has the location lid, and the top of location lid has seted up the through-hole, set up a plurality of first jacks on the regulation pole, the second jack has been seted up to the inside of location lid, and the inside of second jack is pegged graft and is had the bolt, the bottom surface of base has been seted up and has been accomodate the chamber, and accomodate the internal face in chamber and seted up the intercommunication groove, accomodate the interior roof. The utility model discloses simple structure has both made things convenient for the removal of warning sign, has also improved warning sign stability, and the long service life of screw jack and universal wheel, and the application scope of warning sign is wide simultaneously, and the practicality is strong.

Description

Movable warning board for coal mine safety

Technical Field

The utility model relates to a colliery warning sign technical field especially relates to a warning sign is used to portable coal mine safety.

Background

Coal is the most main solid fuel, is one kind of combustible organic rock, and is formed by gradually piling up numerous plants growing in a certain geological age into thick layers in a proper geological environment, burying the thick layers at the bottom of water or in silt and performing natural coalification action in a long geological age, and various warning boards are required to be utilized to warn people in the process of mining of a coal mine so as to prevent people from accidentally entering a dangerous area.

The existing warning board still has certain defects when in use, firstly, the existing warning board is generally formed by burying the bottom of a supporting rod of the warning board underground or pouring cement piers and the like at the bottom of the supporting rod of the warning board to realize stable installation of the warning board, but in the mode, when the warning board needs to be operated at the position of the warning board, the problem of inconvenient movement of the warning board can be caused, secondly, the height of the warning board is inconvenient to adjust, and the adaptability to roadways with different heights is poor, so that the movable warning board for coal mine safety is provided.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a movable coal mine safety warning board.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a movable warning board for coal mine safety comprises a warning board main body and a base, wherein a supporting rod is arranged between the warning board main body and the base, an adjusting rod is arranged at the top of the supporting rod, a sliding groove is formed in the supporting rod, a sliding block is slidably arranged in the sliding groove, a positioning cover is in threaded connection with the top of the supporting rod, a through hole is formed in the top of the positioning cover, a plurality of first jacks are formed in the adjusting rod, a second jack is formed in the positioning cover, a bolt is inserted into the second jack, a containing cavity is formed in the outer surface of the bottom end of the base, a communicating groove is formed in the inner wall surface of the containing cavity, a screw jack is fixedly arranged on the inner top wall of the containing cavity, a bottom supporting plate is fixedly arranged at the bottom of the screw jack, four universal wheels are movably arranged at the bottom of the bottom supporting plate, and a, and a right-angle rod penetrates through the inside of the communicating groove, a handle rod is arranged at the top of the right-angle rod, a groove is formed in the top of the right-angle rod, a fixed shaft is welded inside the groove, and a sleeve is welded to one end of the handle rod.

Preferably, the bottom fixed mounting of bracing piece is on the base, the top of adjusting the pole is installed in the warning sign main part, and the bottom and the slider fixed connection of adjusting the pole.

Preferably, the bolt runs through first jack, and a plurality of first jack equidistance distributes on adjusting the pole.

Preferably, the sleeve is movably sleeved on the fixed shaft, and the handle sleeve rod is movably sleeved on the outer side of the handle rod through a bearing.

Preferably, one end of the right-angle rod is fixedly connected with a screwing screw of the screw jack through a bolt.

Preferably, the outer surface of one end of the bolt is an arc-shaped surface, a metal rod is welded at the other end of the bolt, and the bolt is perpendicular to the metal rod.

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

1. the utility model discloses in accomodate chamber, intercommunication groove, screw jack, end support board, universal wheel, dust removal brush, right angle pole, handle bar, recess, fixed axle and sleeve pipe through the setting, utilize the effect cooperation base of universal wheel, both made things convenient for the removal of warning sign, also reduced the focus of warning sign, improved its stability, also effectual isolated mixed and disorderly environment simultaneously has reduced the rusty ization speed of screw jack and universal wheel, and the in-service use is effectual.

2. The utility model discloses in adjust pole, spout, slider, location lid, through-hole, first jack, second jack and bolt through setting up, utilize a plurality of first jacks to match a second jack to make the warning sign highly can adjust according to actual environmental factor, strengthened the adaptability of warning sign.

To sum up, the utility model discloses both made things convenient for the removal of warning sign, also improved warning sign stability, and the long service life of screw jack and universal wheel, the application scope of warning sign is wide simultaneously, and the practicality is strong.

Drawings

Fig. 1 is a schematic view of the overall structure of a mobile coal mine safety warning board provided by the utility model;

fig. 2 is an enlarged sectional view of a position a in fig. 1 of the mobile coal mine safety warning board provided by the utility model;

fig. 3 is a cross-sectional view of the base of the mobile coal mine safety warning board provided by the utility model;

fig. 4 is the enlarged cross-sectional view of B in fig. 2 of the warning board for mobile coal mine safety of the utility model.

In the figure: 1 warning board main part, 2 bases, 3 bracing pieces, 4 regulation poles, 5 spouts, 6 sliders, 7 location covers, 8 through-holes, 9 first jacks, 10 second jacks, 11 bolt, 12 storage cavities, 13 communicating grooves, 14 screw jacks, 15 bottom support plates, 16 universal wheels, 17 dust removal brushes, 18 right-angle rods, 19 handle rods, 20 grooves, 21 fixed axles, 22 sleeves.

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.

Referring to fig. 1-4, a movable warning board for coal mine safety comprises a warning board main body 1 and a base 2, a support rod 3 is arranged between the warning board main body 1 and the base 2, an adjusting rod 4 is arranged at the top of the support rod 3, a sliding groove 5 is arranged inside the support rod 3, a sliding block 6 is slidably arranged inside the sliding groove 5, a positioning cover 7 is in threaded connection with the top of the support rod 3, the positioning cover 7 is used for preventing the sliding block 6 from sliding out of the sliding groove 5, a through hole 8 is arranged at the top of the positioning cover 7, a plurality of first jacks 9 are arranged on the adjusting rod 4, a second jack 10 is arranged inside the positioning cover 7, a bolt 11 is inserted inside the second jack 10, a containing cavity 12 is arranged on the outer surface of the bottom end of the base 2, a communicating groove 13 is arranged on the inner wall surface of the containing cavity 12, the movement of the rod 18 in the vertical direction, and the bottom of screw jack 14 is fixed to be installed with end support plate 15, and end support plate 15's bottom movable mounting has four universal wheels 16, and the interior surface mounting of intercommunication groove 13 has dust removal brush 17, and the inside of intercommunication groove 13 runs through there is right-angle pole 18, and the top of right-angle pole 18 is provided with handle bar 19, and recess 20 has been seted up at the top of right-angle pole 18, and the inside welded connection of recess 20 has fixed axle 21, and the one end welded connection of handle bar 19 has sleeve pipe 22.

Bottom fixed mounting of bracing piece 3 is on base 2, adjust the top of pole 4 and install on warning sign main part 1, and adjust the bottom and 6 fixed connection of slider of pole 4, bolt 11 runs through first jack 9, a plurality of first jacks 9 equidistance distribute on adjusting pole 4, sleeve pipe 22 activity cup joints on fixed axle 21, handle loop bar has been cup jointed through bearing activity in the outside of handle bar 19, bolt and 14 screw rod fixed connection of screwing up of screw jack are passed through to the one end of right angle pole 18, the one end surface of bolt 11 is the arcwall face, and the other end welding of bolt 11 has the metal pole, and bolt 11 is mutually perpendicular with the metal pole.

The working principle is as follows: when the position of the warning board main body 1 needs to be constructed or the warning board main body 1 needs to be moved to other positions, firstly, the handle rod 19 is rotated from one side of the right-angle rod 18 to the other side of the right-angle rod 18 by utilizing the sliding sleeve connection of the fixed shaft 21 and the sleeve 22, then the handle rod 19 is held tightly and rotated to drive the screwing screw of the screw jack 14 to rotate, so that the bottom support plate 15 drives the universal wheel 16 to move downwards until the universal wheel is contacted with the ground, the handle rod 19 is rotated continuously, because the position of the ground cannot be changed, the screw jack 14 can gradually jack the base 2 until the base 2 is lifted to the maximum height, then the support rod 3 is pushed, the universal wheel 16 rolls to move the warning board main body 1, after the warning board main body 1 is moved to the designated position, the universal wheel 16 is accommodated into the accommodating cavity 12 again by reversely rotating the handle rod 19, and the blocking effect of the dust removing brush 17 is matched, can effectively isolate dust and moisture of large parts, thereby prolonging the service life of the universal wheel 16 and the screw jack 14, in the process, when the height of the roadway where the warning board main body 1 is positioned is gradually reduced or the height of the warning board main body 1 is required to be reduced due to other factors, firstly, the adjusting rod 4 is manually pulled upwards, the gravity of the adjusting rod 4 and the warning board main body 1 is balanced by the pulling force, thereby reducing the friction force between the bolt 11 and the first jack 9 and the second jack 10, then, the bolt 11 is drawn out, after the support of the bolt 11 is lost, people can adjust the extending length of the adjusting rod 4, after the approximate adjustment is completed, the position of the adjusting rod 4 is finely adjusted, so that the first jack 9 is aligned with the second jack 10, then, the bolt 11 is inserted again, the operation is very simple, the utility model discloses simple structure not only facilitates the movement of the warning board, the stability of the warning board is also improved, the service lives of the screw jacks 14 and the universal wheels 16 are long, and meanwhile the warning board is wide in application range and high in practicability.

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

Claims

1. The utility model provides a warning sign is used to portable coal mine safety, includes warning sign main part (1) and base (2), its characterized in that: a supporting rod (3) is arranged between the warning board main body (1) and the base (2), an adjusting rod (4) is arranged at the top of the supporting rod (3), a sliding groove (5) is formed in the supporting rod (3), a sliding block (6) is slidably arranged in the sliding groove (5), a positioning cover (7) is in threaded connection with the top of the supporting rod (3), a through hole (8) is formed in the top of the positioning cover (7), a plurality of first inserting holes (9) are formed in the adjusting rod (4), a second inserting hole (10) is formed in the positioning cover (7), a bolt (11) is inserted into the second inserting hole (10), a containing cavity (12) is formed in the outer surface of the bottom end of the base (2), a communicating groove (13) is formed in the inner wall of the containing cavity (12), and a screw jack (14) is fixedly arranged on the inner top wall of the containing cavity (12), and a bottom supporting plate (15) is fixedly installed at the bottom of the screw jack (14), four universal wheels (16) are movably installed at the bottom of the bottom supporting plate (15), a dust removing brush (17) is installed on the inner surface of the communicating groove (13), a right-angle rod (18) penetrates through the communicating groove (13), a handle rod (19) is arranged at the top of the right-angle rod (18), a groove (20) is formed in the top of the right-angle rod (18), a fixed shaft (21) is connected to the inside of the groove (20) in a welding mode, and a sleeve (22) is connected to one end of the handle rod (19) in a welding mode.

2. A mobile coal mine safety warning board according to claim 1, wherein: the bottom fixed mounting of bracing piece (3) is on base (2), the top of adjusting pole (4) is installed on warning sign main part (1), and the bottom and slider (6) fixed connection of adjusting pole (4).

3. A mobile coal mine safety warning board according to claim 1, wherein: bolt (11) run through first jack (9), a plurality of first jack (9) equidistance distributes on adjusting pole (4).

4. A mobile coal mine safety warning board according to claim 1, wherein: the sleeve (22) is movably sleeved on the fixed shaft (21), and the outer side of the handle rod (19) is movably sleeved with a handle sleeve rod through a bearing.

5. A mobile coal mine safety warning board according to claim 1, wherein: one end of the right-angle rod (18) is fixedly connected with a screwing screw of the screw jack (14) through a bolt.

6. A mobile coal mine safety warning board according to claim 1, wherein: the outer surface of one end of the bolt (11) is an arc-shaped surface, a metal rod is welded at the other end of the bolt (11), and the bolt (11) is perpendicular to the metal rod.