CN212889962U

CN212889962U - Mining roadway stringing support

Info

Publication number: CN212889962U
Application number: CN202021683721.4U
Authority: CN
Inventors: 杜辉; 胡文富; 吴红伟; 刘献超; 于加柱; 张阳
Original assignee: Ccig Heavy Industry Co ltd
Current assignee: Ccig Heavy Industry Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-04-06
Anticipated expiration: 2030-08-13

Abstract

The utility model relates to a mining roadway stringing support, which comprises a straight hoisting unit, an inclined hoisting unit, a hoisting rod unit and a clamping plate unit, wherein the straight hoisting unit comprises an upper screw rod and a hoisting frame which is adjustably arranged on the upper screw rod; the inclined hoisting unit comprises a guide support, an insulating sleeve support and a lower screw rod, the guide support is hinged with the hoisting frame, and the insulating sleeve support is adjustably connected in the guide support through the lower screw rod; a vertical sleeve is arranged at one end of the insulating sleeve support, the suspender unit is arranged in the vertical sleeve and comprises a suspender and an upper spring, the suspender is rotatably arranged in the vertical sleeve, and the upper spring is arranged between the suspender and the sleeve; the clamping plate unit comprises an upper clamping plate and two movable clamping plates which are symmetrically distributed, the upper clamping plate is connected with the lower end of the suspender through a bolt, and the movable clamping plates are rotatably connected with the upper clamping plate. The utility model discloses simplified the construction process who lays the overhead line, can reduce external factors such as tunnel to the minimum to construction quality's influence, had good practicality.

Description

Mining roadway stringing support

Technical Field

The utility model relates to an overhead line technical field especially relates to mining roadway stringing support.

Background

When the underground rail transportation operation is carried out, a trolley locomotive is usually adopted, a pantograph on the locomotive is contacted with an overhead line, and current is introduced into the locomotive to provide power for the running of the locomotive; when the overhead line is laid, the overhead line is usually hung by adopting a suspension wire support, and the existing suspension wire support cannot be timely adjusted when facing to various construction errors such as roadway measurement waist line marking inaccuracy, track surface elevation error, influence of roadway section change, influence of overhead line hanging weight and pre-buried overhead line horizontal drag hook and the like, so that the distance between the laid electric locomotive overhead line and a steel rail is different, although the pantograph of the electric locomotive has a certain adjusting range, the actual production is often influenced by the different heights of the overhead line.

The overhead line that lays in case can't satisfy the requirement of acceptance criterion, causes a large amount of overhead lines and horizontal drag hook to be reworked, had both influenced the construction progress, increased the cost, also very big influence constructor's enthusiasm of work, whether the overhead line lays the safe operation that quality directly influences the electric locomotive moreover. Therefore, the mine roadway stringing support is provided.

Disclosure of Invention

The utility model discloses a solve current suspension wire support can not actually lay the problem of demand timely adjustment according to the overhead line, provide a mining roadway overhead line support, can realize the convenient installation of overhead line, the construction is nimble and can adjust in good time.

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

the mining roadway stringing support comprises a straight hoisting unit, an inclined hoisting unit, a hoisting rod unit and a clamping plate unit, wherein the straight hoisting unit comprises an upper screw rod and a hoisting frame which is adjustably arranged on the upper screw rod;

the inclined hoisting unit comprises a guide support, an insulating sleeve support and a lower screw rod, the guide support is hinged with the lower end of the hanging bracket, a rigging screw buckle is hinged between the guide support and the hanging bracket to adjust the angle, and the insulating sleeve support is adjustably connected in the guide support through the lower screw rod;

one end of the insulating sleeve support is horizontally bent and then provided with a vertical sleeve, the suspension rod unit is arranged in the vertical sleeve and comprises a suspension rod and an upper spring, the suspension rod is rotatably arranged in the vertical sleeve, an insulating sleeve is arranged between the suspension rod and the vertical sleeve, and the upper spring is arranged between the suspension rod and the sleeve to be in elastic sliding connection;

the splint unit includes two movable splint of punch holder and symmetric distribution, punch holder and jib lower extreme bolted connection, movable splint rotate with the punch holder to be connected, are provided with the elastic component between two movable splint with angle of adjustment, have seted up the arc bayonet socket in order to cooperate the centre gripping overhead line on the corresponding medial surface of two movable splint.

Furthermore, the hanger is sleeved on the upper screw rod, nuts are connected to the upper screw rod at the upper end and the lower end of the hanger in a threaded manner, and the nuts at the two ends are matched and fixed with the hanger.

Furthermore, one end of the insulating sleeve support is arranged in the guide support, nuts are arranged at the upper end and the lower end of the joint of the lower screw rod and the insulating sleeve support as well as the upper end and the lower end of the joint of the lower screw rod and the guide support, and the nuts at the upper end and the lower end of the joint of the lower screw rod and the guide support are abutted to the insulating sleeve support.

Furthermore, the hanger rod comprises a rod part, a table part and a plate part which are sequentially distributed from top to bottom, the upper end of the rod part is connected with a slotted nut in a threaded manner, and the upper end of the rod part is inserted with a cotter pin to match with the slotted nut;

the rod part is sleeved with an upper spring, and two ends of the upper spring are respectively abutted against the lower ends of the platform part and the vertical sleeve;

the section of the insulating sleeve is in a convex shape, the insulating sleeve is inserted at the upper end and the lower end of the vertical sleeve, and the vertical sleeve is provided with a set screw for fixing the insulating sleeve.

Further, the board portion is arranged on two sides of the table portion, the upper clamping plate is connected between the board portions on two sides through bolts, the lower end of the upper clamping plate is annular, the upper end of the movable clamping plate is annular, and a pin shaft is arranged between the upper clamping plate and the annular portion of the movable clamping plate to be connected in a rotating mode.

Further, the elastic component includes hex bolts, butterfly cap and lower spring, hex bolts one end is passed two the splint that lives are connected with the butterfly cap, and the cover is equipped with on the hex bolts that is located between two splint that lives the lower spring.

Through the technical scheme, the beneficial effects of the utility model are that:

the utility model has the advantages of reasonable design, simplify construction process, can reduce external factors such as tunnel to construction quality's influence minimum, specifically do, the gallows can be fixed in the different positions of last screw rod, and then the holistic height of adjustment overhead line support, and the angle can be adjusted between gallows and the guide bracket, and the flexible operation, and also can carry out the adjustment of length between guide bracket and the insulating cover, fine solution overhead line height differ, adjust inconvenient shortcoming.

The utility model discloses a jib rotates and sets up in the vertical sleeve, makes the jib freely rotate along with the turn of tunnel, makes the overhead line turn out can smooth transition, still through last spring elastic connection between jib and the vertical sleeve, makes the overhead line be flexible arrangement, plays the guard action to overhead line and pantograph; the installation of the overhead line can be facilitated through the clamping of the bayonet, the overhaul time can be shortened, the electric leakage problem of the two sides of the roadway is avoided, and the continuous safe production operation is ensured.

Drawings

Fig. 1 is the overall structure schematic diagram of the mining roadway stringing support of the utility model.

Fig. 2 is the utility model discloses the jib unit structure sketch map of mining roadway stringing support.

Fig. 3 is the utility model discloses the splint unit structure sketch map of mining roadway stringing support.

Fig. 4 is a side view of fig. 3 of the mining mine stringing support of the present invention.

The reference numbers in the drawings are as follows: the device comprises an upper screw rod 1, a hanging bracket 2, a guide bracket 3, an insulating sleeve bracket 4, a lower screw rod 5, a rigging screw buckle 6, a vertical sleeve 7, a hanging rod 8, a rod part 81, a table part 82, a plate part 83, an upper spring 9, an insulating sleeve 10, an upper clamping plate 11, a movable clamping plate 12, a bayonet 13, a pin shaft 14, a hexagon bolt 15, a butterfly cap 16 and a lower spring 17.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:

as shown in fig. 1-4, the mining roadway stringing support comprises a straight hoisting unit, an inclined hoisting unit, a suspender unit and a clamping plate unit, wherein the straight hoisting unit comprises an upper screw rod 1 which is vertically distributed and a hoisting frame 2 which is adjustably arranged on the upper screw rod 1;

the inclined hoisting unit comprises a guide support 3, an insulating sleeve support 4 and a lower screw rod 5, the guide support 3 is hinged with the lower end of the hanging bracket 2, the guide support 3 and the hanging bracket 2 are distributed in an inclined manner, a rigging screw buckle 6 is hinged between the guide support 3 and the hanging bracket 2, the length of the rigging screw buckle 6 is adjusted to adjust the inclination angle, the rigging screw buckle 6 adopts a KUUD M12 specification of 280, and the insulating sleeve support 4 is adjustably connected in the guide support 3 through the lower screw rod 5;

one end of the insulating sleeve support 4 is horizontally bent and then provided with a vertical sleeve 7, the vertical sleeve 7 is internally provided with the suspender unit, the suspender unit comprises a suspender 8 and an upper spring 9, the suspender 8 is rotatably arranged in the vertical sleeve 7, an insulating sleeve 10 is arranged between the suspender 8 and the vertical sleeve 7, and the upper spring 9 is arranged between the suspender 8 and the sleeve to be in elastic sliding connection;

the splint unit includes two movable splint 12 of punch holder 11 and symmetric distribution, 8 lower extreme bolted connection of punch holder 11 and jib, movable splint 12 and punch holder 11 rotate to be connected, are provided with the elastic component between two movable splint 12 with angle of adjustment, have seted up arc bayonet 13 on the corresponding medial surface of two movable splint 12 in order to cooperate the centre gripping overhead line.

In order to conveniently adjust the hanging bracket 2, the hanging bracket 2 is sleeved on the upper screw rod 1, the upper screw rod 1 adopts a screw rod with an M16 x 600 specification, nuts are connected to the upper screw rods 1 at the upper end and the lower end of the hanging bracket 2 in a threaded manner, the hanging bracket 2 is fixed by the nuts at the two ends in a matched manner, and the height of the hanging bracket 2 can be adjusted by the nuts at different positions of the upper screw rods 1.

In order to prevent the nut from loosening, a slotted nut is connected to the screw rod at the lower end of the hanger 2 in a threaded mode, the slotted nut is abutted to the nut, and a split pin is inserted into the upper screw rod 1 to be matched with the slotted nut.

In this embodiment, 4 one ends of the insulating sleeve support are arranged in the guide support 3, nuts are arranged at the upper and lower ends of the joint of the lower screw 5, the insulating sleeve support 4 and the guide support 3, the nuts at the upper and lower ends of the joint of the lower screw 5 and the guide support 3 are abutted against the insulating sleeve support 4, the lower screw 5 adopts a screw of M16 × 500 specification, and the length between the insulating sleeve support 4 and the guide support 3 can be conveniently adjusted by the cooperation of the nuts and the lower screw 5.

Specifically, as shown in fig. 1, the nuts on the lower screw 5 are A, B, C, D from top to bottom in sequence, in an initial state, the nut B abuts against the upper end of the insulating sleeve support 4, when the lengths of the insulating sleeve support 4 and the guide support 3 need to be adjusted, the nut C and the nut D are kept stationary, the nut B is screwed to move down, then the insulating sleeve support 4 is gradually moved out from the guide support 3, then the nut a is screwed to move down, and after the adjustment is in place, the nut B is screwed to move up to be fixed.

In this embodiment, the suspension rod 8 includes a rod portion 81, a table portion 82 and a plate portion 83 which are sequentially distributed from top to bottom, the upper end of the rod portion 81 is connected with a slotted nut in a threaded manner, the upper end of the rod portion 81 is inserted with a cotter pin to match with the slotted nut, the suspension rod 8 can be suspended in the vertical sleeve 7 through the slotted nut, and the guide rod can be prevented from falling off from the vertical sleeve 7;

the hanger rod 8 and the vertical sleeve 7 can rotate relatively, and then the hanger rod 8 can freely rotate along with the turning of a roadway during working, so that the overhead line can be smoothly transited at the turning position.

In order to protect the overhead line, the rod part 81 is sleeved with the upper spring 9, the upper spring 9 is a compressed spring with a specification of 2.5 × 22 × 90, two ends of the upper spring 9 respectively abut against the lower ends of the table part 82 and the vertical sleeve 7, so that the suspension rod 8 can elastically slide up and down, the overhead line is flexibly arranged after being installed, abrasion of the overhead line is reduced, the overhead line and the pantograph are well protected, and the service lives of the overhead line and the pantograph can be prolonged.

The section of the insulating sleeve 10 is in a convex shape, the insulating sleeve 10 is inserted at the upper end and the lower end of the vertical sleeve 7, a slotted taper end set screw with the specification of M10 multiplied by 10 is arranged on the vertical sleeve 7 to fix the insulating sleeve 10, the insulating sleeve 10 is made of a nylon material, and the suspension rod 8 and the insulating sleeve support 4 are separated by the insulating sleeve 10 made of nylon, so that the insulating sleeve support 4, the guide support 3 and the suspension bracket 2 are uncharged.

In this embodiment, the plate portions 83 are disposed on two sides of the table portion 82, the two side plate portions 83 are connected to the upper clamp plate 11 through M8 × 35 hexagon bolts, the lower end of the upper clamp plate 11 is annular, the upper end of the movable clamp plate 12 is annular, and the pin 14 is disposed between the upper clamp plate 11 and the annular portion of the movable clamp plate 12 for rotational connection;

the pin shaft 14 penetrates through one movable clamping plate 12, the upper clamping plate 11 and the other movable clamping plate 12 in sequence and then is connected with a cotter pin, and the two movable clamping plates 12 can rotate by taking the pin shaft 14 as an axis.

In order to facilitate the centre gripping to the overhead line, the elastic component includes hex bolts 15, butterfly cap 16 and

lower spring

17, 15 one end of hex bolts passes two the splint 12 that lives is connected with butterfly cap 16 is located the cover and is equipped with on the hex bolts 15 between two splint 12 that lives lower spring 17, lower spring 17 adopt the pressure spring of 0.9 x 10 x 18 specification, through the adjustable elasticity degree to the overhead line centre gripping of elastic component, not only are convenient for install, can avoid the overhead line to drop simultaneously.

In the embodiment, an expansion ring anchoring device is further arranged and used for hanging the stringing support.

When the utility model is installed, the top of the roadway is perforated in advance to fix the expansion ring anchoring device, and the expansion ring anchoring device is connected with the top of the roadway through the upper screw rod 1; according to the requirement of actually laying the overhead line, the height of the hanger 2, the angle between the hanger 2 and the guide support 3 and the length between the guide support 3 and the insulating sleeve 10 can be adjusted in a targeted manner, so that when the influences caused by inaccurate marking of the waist line of the roadway measurement, the height marking error of the rail surface and the section change of the roadway are faced, adaptive adjustment can be better made, the laying quality of the overhead line is further improved, and the running safety of the electric locomotive is ensured;

the construction process of the overhead line support is simplified, the construction cost of the overhead line is greatly reduced, the construction progress and quality are effectively improved, the efficiency is improved, and the economic benefit can be increased.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. The mining roadway stringing support is characterized by comprising a straight hoisting unit, an inclined hoisting unit, a hoisting rod unit and a clamping plate unit, wherein the straight hoisting unit comprises an upper screw rod (1) and a hoisting frame (2) which is adjustably arranged on the upper screw rod (1);

the inclined hoisting unit comprises a guide support (3), an insulating sleeve support (4) and a lower screw rod (5), the guide support (3) is hinged with the lower end of the hanging bracket (2), a rigging screw buckle (6) is hinged between the guide support (3) and the hanging bracket (2) to adjust the angle, and the insulating sleeve support (4) is adjustably connected into the guide support (3) through the lower screw rod (5);

one end of the insulating sleeve support (4) is horizontally bent and then provided with a vertical sleeve (7), the vertical sleeve (7) is internally provided with a suspender unit, the suspender unit comprises a suspender (8) and an upper spring (9), the suspender (8) is rotatably arranged in the vertical sleeve (7), an insulating sleeve (10) is arranged between the suspender (8) and the vertical sleeve (7), and the upper spring (9) is arranged between the suspender (8) and the sleeve to be in elastic sliding connection;

the splint unit includes two splint (12) of living of punch holder (11) and symmetric distribution, punch holder (11) and jib (8) lower extreme bolted connection, living splint (12) and punch holder (11) rotate to be connected, are provided with the elastic component between two living splint (12) with angle of adjustment, have seted up arc bayonet socket (13) on the corresponding medial surface of two living splint (12) in order to cooperate the centre gripping overhead line.

2. The mining roadway stringing support according to claim 1, wherein the hanger (2) is sleeved on the upper screw rod (1), nuts are connected to the upper screw rod (1) at the upper and lower ends of the hanger (2) in a threaded manner, and the nuts at the two ends are matched to fix the hanger (2).

3. The mining roadway stringing support according to claim 1, wherein one end of the insulating sleeve support (4) is placed in the guide support (3), nuts are arranged at the upper and lower ends of the joint of the lower screw (5) and the insulating sleeve support (4) and the guide support (3), and the nuts at the upper and lower ends of the joint of the lower screw (5) and the guide support (3) are abutted to the insulating sleeve support (4).

4. The mining roadway stringing support according to claim 1, characterized in that the hanger rod (8) comprises a rod part (81), a platform part (82) and a plate part (83) which are distributed in sequence from top to bottom, the upper end of the rod part (81) is connected with a slotted nut in a threaded manner, and the upper end of the rod part (81) is inserted with a cotter pin to match the slotted nut;

an upper spring (9) is sleeved on the rod part (81), and two ends of the upper spring (9) are respectively abutted against the lower ends of the platform part (82) and the vertical sleeve (7);

the cross section of the insulating sleeve (10) is in a convex shape, the insulating sleeve (10) is inserted at the upper end and the lower end of the vertical sleeve (7), and a set screw is arranged on the vertical sleeve (7) to fix the insulating sleeve (10).

5. A mining roadway stringing support according to claim 4, characterized in that the plate parts (83) are provided on both sides of the platform part (82), the upper clamping plate (11) is bolted between the plate parts (83) on both sides, the lower end of the upper clamping plate (11) is ring-shaped, the upper end of the movable clamping plate (12) is ring-shaped, and the pin shaft (14) is provided between the ring-shaped parts of the upper clamping plate (11) and the movable clamping plate (12) for rotational connection.

6. A mining roadway stringing support according to claim 1, characterized in that the elastic element comprises a hexagon bolt (15), a butterfly cap (16) and a lower spring (17), one end of the hexagon bolt (15) is connected with the butterfly cap (16) through the two movable clamping plates (12), and the hexagon bolt (15) between the two movable clamping plates (12) is sleeved with the lower spring (17).