CN218882256U

CN218882256U - Auxiliary supporting device for flexible net and steel belt

Info

Publication number: CN218882256U
Application number: CN202222339217.8U
Authority: CN
Inventors: 张晓东; 张腾宙; 刘强; 徐婷婷; 韩振宇; 罗蛟; 甘涛
Original assignee: Jinneng Holding Coal Group Co Ltd
Current assignee: Jinneng Holding Coal Group Co Ltd
Priority date: 2022-09-03
Filing date: 2022-09-03
Publication date: 2023-04-18
Anticipated expiration: 2032-09-03

Abstract

The utility model relates to a colliery is stopped adopting and is strutted technical field, specifically is the auxiliary stay device of flexible net and steel band. In order to solve the problems that the flexible net and the steel belt are time-consuming and labor-consuming in the last stage of stoping and supporting and potential safety hazards are easily caused, the auxiliary supporting device for the flexible net and the steel belt comprises a first assembly, a second assembly and a hydraulic jack; the first assembly comprises a first long channel steel, a connecting block, a jack fixed end fixing seat and a first tray, the jack fixed end fixing seat is fixed in the first long channel steel, a fixed end of a hydraulic jack is fixed in the jack fixed end fixing seat, and the first tray is fixed on the side face of the first long channel steel; the second assembly comprises a second long channel steel, a jack telescopic end fixing seat, a second tray and a third tray, the jack telescopic end fixing seat is fixed in one end part of the second long channel steel, and the hydraulic jack telescopic end is fixed in the jack telescopic end fixing seat. The structure avoids the ascending operation of operators and has wider popularization and application values.

Description

Auxiliary supporting device for flexible net and steel belt

Technical Field

The utility model relates to a colliery is stopped to adopt and is strutted technical field, in particular to colliery is stopped to adopt and is strutted auxiliary device, specifically is the auxiliary stay device of flexible net and steel band.

Background

The method is characterized in that a support technology of 'flexible net + steel wire rope + W steel belt' is adopted for stopping mining on a working face of a certain coal seam, the width of a reserved machine path is 4.2m, the total length of a ZZ13000/25/50 type supporting and shielding hydraulic support protective wall plate is 1.6m, the telescopic length of a top beam is 0.8m, and a machine path top plate still has the width of 1.8m and cannot be supported by a hydraulic support in the process of stopping mining and supporting construction, so that the last two rows of steel belts need to be erected by workers in an ascending way, the steel belts are bound on the flexible net, the binding of the steel belts wastes time and energy, the empty top time of the machine path top plate is prolonged, the top plate and the coal wall cannot be supported in time, the machine path top plate is easy to break and drop slag, and certain potential safety hazards are brought to the workers; meanwhile, in the final stage of stopping mining of the fully mechanized mining face, 2-inch pipes are prop at the bottom hole of the hydraulic support arm guard plate, and the hydraulic support is matched with the 2-inch pipes to prop against the flexible net, so that the flexible net is prone to being uneven and not spread, the engineering effect is reduced, and meanwhile the 2-inch pipes are prone to breaking the flexible net; in addition, because the flexible net is not withstood well, so the flexible net will be dragged down for form big clearance between flexible net and the roof, in the dark light in the pit of colliery, after anchor rope hole was beaten to the roof, when sending resin in the anchor rope hole, can be because can't see clearly the anchor rope hole and need ascend a height and look for the hole, not only work efficiency is low but also increased operating personnel's danger.

Disclosure of Invention

The utility model discloses a solve and stop to adopt the problem that wastes time and energy and easily cause the potential safety hazard when flexible net in last stage supports with the steel band, the event provides an auxiliary stay device of flexible net and steel band.

The utility model discloses an adopt following technical scheme to realize: the auxiliary supporting device for the flexible net and the steel belt comprises a first component, a second component, and hydraulic jacks for fixing circular rings (the fixed circular rings are circular rings fixed with other parts) at the fixed end and the telescopic end of the first component; the first assembly comprises a first long channel steel with a downward-arranged notch, a channel steel-shaped connecting block, a groove-shaped jack fixing end fixing seat and a groove-shaped first tray, the notch of the connecting block is arranged upward, the top ends of two vertical arms of the connecting block are fixedly connected with the bottom ends of the two vertical arms at one end of the first long channel steel to form a connecting end, a U-shaped groove with a central line in the arrangement direction consistent with the length direction of the first long channel steel and matched with the hydraulic support wall protecting plate is formed in the connecting end, an upper bolt hole and a lower bolt hole are respectively arranged on the top surface and the bottom surface of the connecting end, when the first assembly is used, a bolt penetrates through the upper bolt hole, a hydraulic support wall protecting plate bottom hole and is fixed with a nut after the lower bolt hole is formed in the connecting end, the notch of the jack fixing end fixing seat is arranged upward and fixed in the first long channel steel (a plurality of methods can be adopted by technicians in the field to fix the jack fixing end and the first long channel steel, if the distance between two side walls of the jack fixing seat is smaller than the distance between the two side walls of the first long channel steel-shaped fixing seat, the two side walls of the jack fixing seat, the jack fixing end of the first long channel steel is fixed end and the bottom wall of the first long channel steel is fixed end; or the top ends of the two side arms of the fixed end fixing seat of the jack can be directly welded and fixed with the bottom surface of the top arm of the first long channel steel), the fixed end of the hydraulic jack is fixed in the fixed end fixing seat of the jack, the first tray is vertically fixed on the side surface of the first long channel steel (as known by the technical personnel in the art, the specific position of the first tray fixed on the side surface of the first long channel steel is determined according to the arrangement position of the steel strip), a supporting plate is fixed at the bottom of a position between the other end of the first long channel steel and the fixed end fixing seat of the jack; the second subassembly includes the long channel-section steel of second that its notch was arranged downwards, the very flexible end fixing base of recess form, the second tray of recess form and the third tray of recess form, the notch of the very flexible end fixing base upwards arranges and is fixed in a tip of the long channel-section steel of second, the very flexible end of hydraulic pressure is fixed in very flexible end fixing base, the tip of the long channel-section steel of second inserts the other end tip of first long channel-section steel and makes a tip of the long channel-section steel of second slide in place in the backup pad, the second tray is fixed in the arrangement direction of the other end of the long channel-section steel of second and the central line of its notch and the length direction of the long channel-section steel of second perpendicular, the second tray just uses tray connecting rod fixed connection along fore-and-aft direction parallel arrangement with the third tray, the third tray all is located the homonymy of first long channel-section steel with first tray.

When the device is used, the hydraulic support wall protecting plates are inserted into the U-shaped grooves of the first long channel steel, then bolts penetrate through the upper bolt holes, the bottom holes of the hydraulic support wall protecting plates and the lower bolt holes and then are fixed with nuts, steel strips are placed in first trays of the two devices, then the hydraulic supports are operated to lift the hydraulic support wall protecting plates, then the hydraulic support supporting auxiliary devices are driven to support the steel strips and the flexible nets to the top plate, then anchor cables are arranged and tightened, and finally top plate supporting of a second-row machine path is completed; and withdrawing the hydraulic support dado plate, placing the steel belt in the second tray and the third tray of the two sets of the devices, controlling a hydraulic jack to push the second long channel steel to extend out of the first long channel steel according to the row spacing of the steel belt support, extending the hydraulic support dado plate, driving the hydraulic support auxiliary device to support the steel belt and the flexible net to the top plate, then driving the anchor rope and tensioning, and completing the top plate support of the first exhaust passage. During the in-service use, can set up the length of first long channel-section steel and the long channel-section steel of second or control the flexible length of the long channel-section steel of second relative first long channel-section steel according to the width that the aircraft channel roof does not support.

The utility model discloses produced beneficial effect as follows:

the device preparation material source is extensive, and it is comparatively convenient to draw materials, and the structure is simple relatively, and device weight is lighter, but on-the-spot real-time assembly, detachable transport, installation, dismantlement and use (two subassemblies are separately carried, are installed, are dismantled and are used), and application scope is wider, but reuse, have very strong on-the-spot practicality, improved coal face and stopped adopting efficiency of construction and engineering quality, guaranteed that hydraulic support safety is high-efficient to withdraw, avoided operating personnel's the operation of ascending a height simultaneously, have wider popularization and application and worth.

Drawings

FIG. 1 is a schematic structural diagram of a first assembly of the present invention;

FIG. 2 is a schematic structural view of a second assembly of the present invention;

FIG. 3 is a schematic view of the overall assembly structure of the present invention;

fig. 4 is a schematic diagram of a right perspective structure at a of fig. 3.

In the figure: 1-first long channel steel, 2-connecting block, 3-very heavy stiff end fixing base, 4-first tray, 5-U type groove, 6-last bolt hole, 7-lower bolt hole, 8-hydraulic jack, 9-backup pad, 10-second long channel steel, 11-very heavy flexible end fixing base, 12-second tray, 13-third tray, 14-tray connecting rod, 15-tray slider, 16-tray supporting shoe, 17-tray fixture block, 18-rectangular hole, 19-square gusset plate, 20-three horn shape gusset plate, 21-gusset plate, 22-second pinhole, 23-second T type crew cut foraminiferous pin.

Detailed description of the preferred embodiments

As shown in fig. 1 to 3, the auxiliary supporting device for the flexible net and the steel belt comprises a first component, a second component, and hydraulic jacks 8 for fixing a ring at the fixed end and the telescopic end of the first component; the first component comprises a first long channel steel 1 with a downward arranged notch, a channel steel-shaped connecting block 2, a groove-shaped jack fixing end fixing seat 3 and a groove-shaped first tray 4, the notch of the connecting block 2 is arranged upward, the top ends of two vertical arms of the connecting block 2 are fixedly connected with the bottom ends of the two vertical arms at one end of the first long channel steel 1 (in specific implementation, the top ends of the two vertical arms of the connecting block 2 and the bottom ends of the two vertical arms at one end of the first long channel steel 1 are welded) to form a connecting end, the connecting end is provided with a U-shaped groove 5 (in specific implementation, the central line of the U-shaped groove is the welding line of the connecting block and the first long channel steel) with the central line in the same direction as the length direction of the first long channel steel 1 and matched with a hydraulic support guard wall plate, the top surface and the bottom surface of the connecting end are respectively provided with an upper bolt hole 6 and a lower bolt hole 7, when the fixing device is used, a bolt penetrates through the upper bolt hole 6, the bottom hole of the hydraulic support dado plate and the lower bolt hole 7 and then is fixed with a nut, and the notch of the jack-fixed-end fixing seat 3 is arranged upwards and fixed in the first long channel steel 1 (the fixing of the jack-fixed-end fixing seat 3 and the first long channel steel 1 can be realized by adopting various methods by technicians in the field, if the distance between two side walls of the jack-fixed-end fixing seat 3 is smaller than the distance between two side walls of the first long channel steel 1, the bottom wall of the jack-fixed-end fixing seat 3 extends towards two sides to the bottom ends of the two side walls of the first long channel steel 1, and the jack-fixed-end fixing seat 3 is fixed in the first long channel steel 1 by fixedly connecting the bottom ends of the two side walls of the first long channel steel 1 and the two sides of the bottom wall of the extended bottom wall of the jack-fixed-end fixing seat 3; or the top ends of the two side arms of the jack fixing end fixing seat 3 can be directly welded and fixed with the bottom surface of the top arm of the first long channel steel 1), the fixed end of the hydraulic jack 8 is fixed in the jack fixed end fixing seat 3, the first tray 4 is vertically fixed on the side surface of the first long channel steel 1, as known by the technical personnel in the field, the specific position of the first tray 4 vertically fixed on the side surface of the first long channel steel 1 is determined according to the arrangement position of a steel belt), and a supporting plate 9 is fixed at the bottom of the position between the other end of the first long channel steel 1 and the jack fixed end fixing seat 3; the second subassembly includes the second long channel-section steel 10 that its notch was arranged downwards, the flexible end fixing base 11 of jack of recess form, second tray 12 of recess form and the third tray 13 of recess form, the notch of the flexible end fixing base 11 of jack upwards arranges and is fixed in a tip of second long channel-section steel 10, the flexible end of hydraulic jack 8 is fixed in the flexible end fixing base 11 of jack, the tip of second long channel-section steel 10 inserts the other end tip of first long channel-section steel 1 and makes a tip of second long channel-section steel 10 slide to put (wherein, the slip of this department is arranged in can make second long channel-section steel can stretch out and draw back and slide in first long channel-section steel through hydraulic jack and is put in backup pad 9, second tray 12 is fixed in the other end of second long channel-section steel 10 and the direction of arranging of the central line of its notch is perpendicular with the length direction of second long channel-section steel 10, second tray 12 and third tray 13 are arranged along fore-and aft direction parallel and with tray connecting rod 14 fixed connection, third tray 13 and first tray 4 all are located the homonymy of first long channel-section steel 1.

When the device is used, the two sets of auxiliary supporting devices of the hydraulic support are used in a set, when the device is used, the hydraulic support dado plate is inserted into the U-shaped groove of the first long channel steel, then the bolt penetrates through the upper bolt hole 6, the bottom hole of the hydraulic support dado plate and the lower bolt hole 7 and then is fixed with the nut, the steel belt is placed in the first trays 4 of the two sets of devices, then the hydraulic support is operated to lift the hydraulic support dado plate, the auxiliary supporting devices are driven to support the steel belt and the flexible net to the top plate, then the anchor rope is arranged and the anchor rope is tensioned, and finally the top plate support of the second-row machine way is completed; withdrawing the hydraulic support dado plate, placing the steel belt in the second tray 12 and the third tray 13 of the two sets of the device, controlling the hydraulic jack 8 to push the second long channel steel 10 to extend out of the first long channel steel 1 according to the row distance of the steel belt support, extending the hydraulic support dado plate, driving the auxiliary supporting device to support the steel belt and the flexible net to the top plate, then driving the anchor rope and tensioning, and completing the top plate support of the final first exhaust passage. During the actual use, can set up the length of first long channel-section steel 1 and second long channel-section steel 10 or control the flexible length of second long channel-section steel 10 relative first long channel-section steel 1 according to the width that the lane roof does not support.

In particular, as shown in fig. 4, the first tray 4 is supported by two tray sliders 15 and a tray support block 16, the tray clamping blocks 17 are matched with the first long channel steel 1 together to realize fixed connection, the two tray sliding blocks 15 are I-shaped, one end of the side surface of each tray sliding block 15 is fixedly connected with the left side surface and the right side surface of the first tray 4 respectively (in specific implementation, one end of the side surface of each tray sliding block 15 is welded with the left side surface and the right side surface of the first tray 4 respectively), one side surface of the first long channel steel 1 close to the first tray 4 is provided with two rectangular holes 18, the length and the width of each rectangular hole 18 are larger than those of the middle end of each tray sliding block 15 (the structure that the length and the width of each rectangular hole 18 are larger than those of the middle end of each tray sliding block 15 is convenient for the tray sliding blocks to move up and down and left and right and convenient for the tray sliding blocks to be adjusted to proper positions), the other ends of the two tray sliders 15 penetrate through the rectangular hole 18 and then are clamped in the first long channel steel 1 (the other ends of the two tray sliders 15 penetrate through the rectangular hole 18 and then are clamped in the first long channel steel 1, namely the other ends of the two tray sliders 15 penetrate through the rectangular hole 18 and then are located on the inner surface of the side wall of the first long channel steel 1 and the distance between the outer surfaces of the side walls of the corresponding second long channel steel 10), the tray support blocks 16 are in right-angled triangle shapes, one right-angled edge of each tray support block 16 is welded at the center line of the bottom of the first tray 4, the other right-angled edge of each tray support block 16 is leaned against the side face of the first long channel steel 1, the tray fixture blocks 17 are welded on one side face, close to the first tray 4, of the first long channel steel 1 in a plurality of uniform distribution mode, the distance between every two adjacent tray fixture blocks 17 is matched with the thickness of the tray support blocks 16, and the position of the first tray 4 can be finely adjusted conveniently through the structure. During the use, hold up first tray 4 and make it slide to required position, put down first tray 4 for first tray 4 supporting shoe card just makes first tray 4 arrange in on the tray fixture block 17 between two tray fixture blocks 17 that correspond, thereby accomplish and carry out the position fine setting to first tray 4.

During specific implementation, a distance is arranged between two side walls of the jack fixed end fixing seat 3 and two side walls of the first long channel steel 1 respectively, a first pin hole is formed at the center intersection of diagonal lines of two side arms of the jack fixed end fixing seat 3, a first through pin hole is formed at a position, corresponding to the first pin hole, of two side arms of the first long channel steel 1, and the fixed end of the hydraulic jack 8 and the fixed ring of the fixed end of the hydraulic jack 8 penetrate through the first pin hole and the first through hole through the first T-shaped flat head hole pin to realize fixation (known to those skilled in the art, a small pin needs to be inserted into the hole at the tail end after the T-shaped flat head hole pin is inserted into the corresponding pin hole). A second pin hole is formed in the center intersection of diagonal lines of two side walls of the jack telescopic end fixing seat 11, a second pin penetrating hole 22 is formed in the position, corresponding to the second pin hole, of two side walls of the second long channel steel 10 (when the second long channel steel is installed, a second T-shaped flat head hole pin 23 is installed in the second pin penetrating hole), and the telescopic end of the hydraulic jack 8 and the jack telescopic end fixing seat 11 are fixed through the second T-shaped flat head hole pin 23 penetrating through the second pin penetrating hole 22 and a fixing ring of the telescopic end of the hydraulic jack 8. The structure is concrete and standardized, and is convenient to install and disassemble.

In this embodiment, the front and rear sides of the end of the connecting end close to the jack fixing end fixing base 3 are both fixedly connected with square rib plates 19. A triangular rib plate 20 is fixedly connected between the end surface of the connecting block 2 close to the jack fixing end fixing seat 3 and the bottom surface of the first long channel steel 1. A plate-shaped reinforcing rib plate 21 is fixed to the bottom of the second pallet 12 and the bottom of the notch of the other end of the second long channel 10. These structural designs further increase the strength of the auxiliary support device, thereby reducing the potential safety hazard. The insides of the first tray 4, the second tray 12 and the third tray 13 are in a grid shape formed by spot welding, so that the friction coefficient between the first tray and the steel belt is enhanced, the steel belt is prevented from slipping to cause injury accidents, and the safety factor is improved.

Claims

1. The auxiliary supporting device for the flexible net and the steel belt is characterized by comprising a first component, a second component, and hydraulic jacks (8) for fixing a ring, wherein the fixed end and the telescopic end of the first component are respectively provided with a fixed ring; the first assembly comprises a first long channel steel (1) with a downward-arranged notch, a channel steel-shaped connecting block (2), a groove-shaped jack fixing end fixing seat (3) and a groove-shaped first tray (4), the notch of the connecting block (2) is arranged upward, the top ends of two vertical arms of the connecting block (2) are fixedly connected with the bottom ends of the two vertical arms at one end of the first long channel steel (1) to form a connecting end, a U-shaped groove (5) with a central line in the same direction as the length direction of the first long channel steel (1) and matched with a hydraulic support retaining wall plate is formed in the connecting end, an upper bolt hole (6) and a lower bolt hole (7) are respectively formed in the top surface and the bottom surface of the connecting end, the notch of the jack fixing end fixing seat (3) is arranged upward and fixed in the first long channel steel (1), a hydraulic jack (8) is fixed in the jack fixing seat (3), the first tray (4) is vertically fixed on the side surface of the first long channel steel fixing end (1), and a supporting plate (9) is fixed at the bottom of a position between the other end of the jack fixing seat (3); the second subassembly includes second long channel-section steel (10) that its notch was arranged downwards, the flexible end fixing base of jack (11) of recess form, second tray (12) of recess form and third tray (13) of recess form, the notch of the flexible end fixing base of jack (11) upwards arranges and is fixed in a tip of second long channel-section steel (10), the flexible end of hydraulic jack (8) is fixed in the flexible end fixing base of jack (11), the other end tip that the tip of second long channel-section steel (10) inserted first long channel-section steel (1) makes the tip of second long channel-section steel (10) slide and arrange in backup pad (9), second tray (12) are fixed in the other end of second long channel-section steel (10) and the direction of arranging of the central line of its notch is perpendicular with the length direction of second long channel-section steel (10), second tray (12) and third tray (13) are along fore-and-aft direction parallel arrangement and with tray connecting rod (14) fixed connection, third tray (13) and first tray (4) all are located the homonymy of first long channel-section steel (1).

2. The auxiliary supporting device for the flexible net and the steel strip as claimed in claim 1, wherein the first tray (4) is fixedly connected with the first long channel steel (1) through two tray sliders (15), tray supporting blocks (16) and tray clamping blocks (17) which are matched together, the two tray sliders (15) are I-shaped, one end of the side face of each tray slider (15) is fixedly connected with the left side face and the right side face of the first tray (4), two rectangular holes (18) are formed in the side face, close to the first long channel steel (4), of the first long channel steel (1), the length and the width of each rectangular hole (18) are larger than those of the middle end of each tray slider (15), the other end of each tray slider (15) penetrates through the corresponding rectangular hole (18) and is clamped in the first long channel steel (1), each tray supporting block (16) is in a right-angle triangular shape, one right-angle side edge of each tray supporting block (16) is welded at the center line of the bottom of the first tray (4), the tray sliders (16) lean against the other side edge of the first long channel steel (1), and the adjacent tray sliders (17) are welded between the first long channel steel (1), and the adjacent tray sliders (17).

3. The auxiliary supporting device for the flexible net and the steel belt according to claim 2, wherein a distance is provided between two side walls of the jack fixing end fixing seat (3) and two side walls of the first long channel steel (1), a first pin hole is provided at a center intersection of diagonal lines of the two side arms of the jack fixing end fixing seat (3), a first pin hole is provided at a position corresponding to the first pin hole of the two side arms of the first long channel steel (1), and the fixing end of the hydraulic jack (8) and the jack fixing end fixing seat (3) are fixed by a first T-shaped flat-head perforated pin penetrating through the first pin hole and a fixing ring of the fixing end of the hydraulic jack (8).

4. The auxiliary supporting device for the flexible net and the steel belt as claimed in claim 3, wherein a second pin hole is formed at the center intersection of the diagonal lines of the two side walls of the jack telescopic end fixing seat (11), a second pin through hole (22) is formed at the position, corresponding to the second pin hole, of the two side walls of the second long channel steel (10), and the telescopic end of the hydraulic jack (8) and the jack telescopic end fixing seat (11) are fixed through a second T-shaped flat head hole pin (23) penetrating through the second pin hole and a fixing ring of the telescopic end of the hydraulic jack (8).

5. The auxiliary supporting device for the flexible net and the steel belt according to claim 4, wherein the front and rear sides of the end part of the connecting end close to the fixed end fixing seat (3) of the jack are fixedly connected with square rib plates (19).

6. The auxiliary supporting device for the flexible net and the steel belt according to claim 5, wherein a triangular rib plate (20) is fixedly connected between the end surface of the connecting block (2) close to the jack fixing end fixing seat (3) and the bottom surface of the first long channel steel (1).

7. The auxiliary supporting device of the flexible net and the steel belt according to claim 6, characterized in that a plate-shaped reinforcing rib plate (21) is fixed at the bottom of the second tray (12) and the bottom end of the notch at the other end of the second long channel steel (10).

8. Auxiliary support device for flexible nets and steel strips according to any one of claims 1 to 7, characterized in that the inner sides of the first tray (4), the second tray (12), the third tray (13) are in a grid shape with spot welding.