CN210948750U

CN210948750U - Colliery rescue device that comes to roof in pit

Info

Publication number: CN210948750U
Application number: CN201922128262.7U
Authority: CN
Inventors: 杜海刚; 冯姗; 杨军伟; 张鹏; 郭明涛
Original assignee: Liupanshui Normal University
Current assignee: Liupanshui Normal University
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-07
Anticipated expiration: 2029-12-03

Abstract

The utility model belongs to the technical field of rescue auxiliary devices, and discloses a coal mine underground roof fall rescue device, which comprises a bottom plate, wherein telescopic hydraulic cylinders are symmetrically arranged on the upper surface wall of the bottom plate, connecting columns are fixed on the top ends of the telescopic hydraulic cylinders, slots are arranged at the middle positions of the upper surface wall of the connecting columns, limiting grooves are symmetrically arranged on the inner walls of the slots, buffer springs are fixed at the inner bottoms of the slots, top plates are arranged at the top ends of the connecting columns, inserting rods matched with the slots are symmetrically fixed on the lower surface wall of each top plate, the utility model can limit the top plates to prevent the top plates from being inclined when the top plates are stressed through the matching of the limiting strips and the limiting grooves, and effectively improves the supporting effect of the device, in addition, the excessive pressure during roof fall can be effectively buffered through the reverse elasticity generated by the buffer springs, and the damage of the top plates is, the service life of the device is prolonged.

Description

Colliery rescue device that comes to roof in pit

Technical Field

The utility model belongs to the technical field of rescue auxiliary device, concretely relates to colliery rescue device that comes down to roof.

Background

Roof fall caving refers to an accident that a top or a side wall collapses in a large area to cause damage due to improper excavation or support in the excavation process of a mine, a tunnel, a culvert and the like, the phenomenon that a mine working face and a roadway side wall deform and break and fall under the action of mine pressure is called caving, the roof fall is called roof fall, the roof fall and the roof fall are both caused at the same time, when the roof fall occurs, the roof fall part needs to be excavated secondarily in time for rescue, and in order to ensure the safety of the rescue, a supporting device needs to be used for supporting the top of the mine.

In chinese patent with patent number CN201821217708.2, a colliery rescue device that rolls over in pit is disclosed, describe "through adjusting the lead screw in this patent," the turbine, the overall height's of device quick adjustment can be realized to structures such as worm, the support to the mine top is realized, but not set up buffering limit structure in this patent, when the roll-over takes place, the roof is too big and skew or damage easily atress, influence the efficiency of construction rescue, furthermore, do not set up bottom sprag structure in the contrast file, when pressure is too big, the walking wheel of bottom rocks easily, make stability poor, or sink deeply into the colliery in the entering well, influence subsequent removal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery rescue device that comes down to roof to propose in solving above-mentioned background art and not set up buffering limit structure, the easy atress of roof is too big and squints or damage, in addition, does not set up bottom sprag structure, and when pressure was too big, the walking wheel of bottom rocked easily, makes the relatively poor problem of stability.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a colliery rescue device that comes down to roof, includes the bottom plate, telescopic pneumatic cylinder is installed to the last wall symmetry of bottom plate, telescopic pneumatic cylinder's top is fixed with the spliced pole, the slot has been seted up to the last wall intermediate position department of spliced pole, the spacing groove has been seted up to the inner wall symmetry of slot, and the inside bottom of slot is fixed with buffer spring, the roof is installed on the top of spliced pole, the lower wall symmetry of roof be fixed with slot assorted inserted bar, the exterior wall symmetry of inserted bar be fixed with the spacing of spacing groove looks adaptation.

Preferably, the outer wall of the bottom plate is symmetrically provided with screw holes, the screw holes are connected with screw rods in a screwing mode, the bottom ends of the screw rods are provided with bearings, the bottom ends of the bearings are fixedly provided with supporting plates, and the lower surface walls of the supporting plates are uniformly fixedly provided with conical columns.

Preferably, the two side walls of the top plate are symmetrically and obliquely fixed with oblique baffles, and the oblique angles of the oblique baffles are 20-45 degrees.

Preferably, the top end of the screw rod is provided with a screw handle which is of a butterfly structure, and the outer surface wall of the screw handle is bonded with a rubber sleeve.

Preferably, the bottom plate is symmetrically provided with four walking wheels.

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

(1) the utility model discloses a cooperation of spacing and spacing groove, when the roof atress, can carry on spacingly to the roof, prevent that the roof is crooked, effectively improved the device's supporting effect, in addition, too big pressure when can effectively cushion the roof fall through the reverse elasticity that buffer spring produced has avoided the damage of roof, has prolonged the device's life.

(2) The utility model discloses a screw rod, bearing and the cooperation of supporting the board, can be when using the device, the rotating screw rod makes and supports the board and descend to contact colliery ground, can effectively improve the area of contact on the device and colliery ground, improves stability, can effectively avoid the defect that the walking wheel sinks deeply colliery ground simultaneously, is favorable to subsequent normal use, and wherein the toper post multiplicable land fertility of grabbing has further improved the stability when supporting.

Drawings

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

FIG. 2 is a top view of the connecting column of the present invention;

fig. 3 is a top view of the bottom plate of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 1;

in the figure: 1-bottom plate, 2-telescopic hydraulic cylinder, 3-connecting column, 4-buffer spring, 5-inclined baffle, 6-inserted bar, 7-spacing strip, 8-top plate, 9-wrench, 10-screw, 11-bearing, 12-resisting plate, 13-conical column, 14-walking wheel, 15-slot, 16-spacing groove and 17-screw hole.

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, the present invention provides a technical solution: a coal mine underground roof fall rescue device comprises a bottom plate 1, telescopic hydraulic cylinders 2 are symmetrically installed on the upper surface wall of the bottom plate 1, a connecting column 3 is fixed at the top end of each telescopic hydraulic cylinder 2, a slot 15 is formed in the middle position of the upper surface wall of each connecting column 3, limiting grooves 16 are symmetrically formed in the inner wall of each slot 15, a buffer spring 4 is fixed at the inner bottom of each slot 15, excessive pressure generated by the buffer spring 4 during roof fall can be effectively buffered through reverse elasticity, damage to a top plate 8 is avoided, the service life of the device is prolonged, a top plate 8 is installed at the top end of each connecting column 3, inserting rods 6 matched with the slots 15 are symmetrically fixed on the lower surface wall of each top plate 8, limiting strips 7 matched with the limiting grooves 16 are symmetrically fixed on the outer surface wall of each inserting rod 6, when the top plate 8 is stressed through the matching of the limiting strips 7 and the limiting grooves 16, the top plate 8 can be limited, and, the supporting effect of the device is effectively improved.

Further, screw 17 has been seted up to the exterior wall symmetry of bottom plate 1, the inside of screw 17 closes soon and is connected with screw rod 10, bearing 11 is installed to the bottom of screw rod 10, bearing 11's bottom mounting has support board 12, support board 12's lower surface wall evenly is fixed with toper post 13, when using the device, the staff rotates screw rod 10, make support board 12 descend to contact colliery ground, can effectively improve the area of contact of the device with colliery ground, and stability is improved, can effectively avoid the 14 defects that sink into colliery ground deeply of walking wheel simultaneously, wherein toper post 13 multiplicable ground power of grabbing, stability when further having improved the support.

Furthermore, the two side walls of the top plate 8 are symmetrically and obliquely fixed with the oblique baffle plates 5, the oblique angle of each oblique baffle plate 5 is 20-45 degrees, the oblique baffle plates 5 can laterally resist a coal mine collapsing when roof caving, and secondary damage is reduced.

Furthermore, a handle 9 is installed at the top end of the screw rod 10, the handle 9 is of a butterfly structure, a rubber sleeve is bonded on the outer surface wall of the handle 9, the screw rod 10 is screwed through the handle 9 of the butterfly structure, the operation is fast and convenient, the bonded rubber sleeve can increase the comfort when the handle 9 is held by a hand, and the abrasion of the hand is reduced.

Furthermore, the walking wheels 14 are symmetrically installed on the bottom plate 1, the number of the walking wheels 14 is four, the walking wheels 14 are installed, the device can be conveniently moved in a coal mine well without being lifted by hard moving, and physical strength is saved.

The utility model discloses a theory of operation and use flow: when the utility model is used, the walking wheel 14 at the bottom of the bottom plate 1 is firstly utilized to move the device to a required coal mine area, then the telescopic hydraulic cylinder 2 is utilized to extend and retract, the top plate 8 is moved upwards to prop against the top of the coal mine, the rescue safety is ensured, then the screwing handle 9 can be held by hand to screw the screw rod 10 in the screw hole 17, the support plate 12 at the bottom of the bearing 11 is made to descend to be attached to the ground of the coal mine, the contact area between the device and the ground of the coal mine can be effectively improved, the support stability is improved, the defect that the walking wheel 14 is deep in the ground of the coal mine is effectively avoided, the conical column 13 can increase the ground gripping force, the support stability is further improved, in addition, when roof collapse occurs, the top plate 8 is pressed downwards under the force, the reverse elastic force generated by the buffer spring 4 at the bottom of the slot 15 can effectively buffer the overlarge pressure when roof collapse occurs, the damage of, wherein, through the cooperation of spacing 7 and spacing groove 16, can carry on spacingly to roof 8, prevent roof 8 skew, effectively improved the device's supporting effect.

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. A colliery is rescue device that rolls over a roof in pit which characterized in that: including bottom plate (1), telescopic pneumatic cylinder (2) are installed to the last wall symmetry of bottom plate (1), the top of telescopic pneumatic cylinder (2) is fixed with spliced pole (3), slot (15) have been seted up to the last wall intermediate position department of spliced pole (3), spacing groove (16) have been seted up to the inner wall symmetry of slot (15), and the inside bottom of slot (15) is fixed with buffer spring (4), roof (8) are installed on the top of spliced pole (3), the lower wall symmetry of roof (8) is fixed with slot (15) assorted inserted bar (6), the exterior wall symmetry of inserted bar (6) is fixed with spacing (7) with spacing groove (16) looks adaptation.

2. The underground roof fall rescue device for the coal mine according to claim 1, characterized in that: screw holes (17) have been seted up to the exterior wall symmetry of bottom plate (1), the inside of screw hole (17) closes soon and is connected with screw rod (10), bearing (11) are installed to the bottom of screw rod (10), the bottom mounting of bearing (11) has to support board (12), the lower table wall of supporting board (12) is evenly fixed with toper post (13).

3. The underground roof fall rescue device for the coal mine according to claim 1, characterized in that: inclined baffles (5) are symmetrically and obliquely fixed on two side walls of the top plate (8), and the inclination angle of each inclined baffle (5) is 20-45 degrees.

4. The underground roof fall rescue device for the coal mine according to claim 2, characterized in that: the top end of the screw rod (10) is provided with a twisting handle (9), the twisting handle (9) is of a butterfly structure, and a rubber sleeve is bonded on the outer surface wall of the twisting handle (9).

5. The underground roof fall rescue device for the coal mine according to claim 1, characterized in that: the walking wheels (14) are symmetrically arranged on the bottom plate (1), and the walking wheels (14) are totally provided with four.