CN210714775U - Temporary quick airtight supporting device for underground cataclysm area - Google Patents
Temporary quick airtight supporting device for underground cataclysm area Download PDFInfo
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- CN210714775U CN210714775U CN201921565546.6U CN201921565546U CN210714775U CN 210714775 U CN210714775 U CN 210714775U CN 201921565546 U CN201921565546 U CN 201921565546U CN 210714775 U CN210714775 U CN 210714775U
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Abstract
The utility model discloses a cataclysm region is airtight strutting arrangement fast temporarily in pit, including a plurality of hydraulic prop, one side of hydraulic prop is provided with power unit, connects through a plurality of supporting strengthening mechanism fastenings between two adjacent hydraulic prop's the cylinder body, and a plurality of supporting strengthening mechanism are the broken line type from top to bottom along hydraulic prop's direction of height and lay, and the top of the cylinder body of living in the hydraulic prop is provided with top supporting mechanism, and top supporting mechanism includes that the triangle claw props, and the center that the triangle claw propped is provided with the fore-set. The utility model discloses a set up a plurality of hydraulic prop in the mine tunnel, can carry out effective support to the top coal wall in mine tunnel, can also carry out the altitude mixture control according to the concrete size in mine tunnel simultaneously, application scope is extensive; a plurality of supporting and reinforcing mechanisms are connected between the cylinder bodies of two adjacent single hydraulic supporting columns, so that the single hydraulic supporting columns can be reinforced, and the reliability and the integral supporting strength of the supporting device are improved.
Description
Technical Field
The utility model belongs to the technical field of the regional quick airtight of cataclysm, concretely relates to regional quick airtight strutting arrangement temporarily of cataclysm in pit.
Background
China has abundant coal resources, and the safety situation in the mine production process is still not optimistic while the coal resources are used as important pillars for the national economic development. The main reason that the mine production process is often accompanied with a plurality of disaster accidents such as fire, gas, coal dust explosion, water permeation, roof collapse and the like and the mine safety production is influenced is that the overall disaster prevention and reduction technology level and the equipment capability of the coal mine in China are not suitable for the current situation of production development. When a mine is subjected to catastrophe, people need to react quickly to ensure the life safety of national property and people.
Most of the existing mine airtight supporting devices are permanent airtight supporting devices, and when the mine airtight supporting devices are used for quickly supporting, assembly is complex and time-consuming. When a permanent closed supporting device system with pressure resistance is built, the material consumption is large, the transportation and construction workload is large, the disaster response is long, and the construction closed supporting difficulty is very large in places with poor transportation conditions. The temporary quick sealing support device is short in development time and immature in technology, but has great development potential and is suitable for sealing when catastrophe occurs. At present, when an air bag is used for temporarily closing an underground catastrophe area, isolation doors are generally used only on two sides of the air bag for isolation, an underground supporting device is generally not arranged, and in the underground disaster relief process, due to the fact that construction time is long, life safety of disaster relief personnel is greatly threatened; and the existing temporary quick airtight support is designed and installed complicatedly, is installed not quickly enough, and needs to react quickly after a disaster to support the device in time.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a temporary fast airtight supporting device for underground cataclysm areas, which can effectively support the top coal wall of a mine tunnel by arranging a plurality of single hydraulic props in the mine tunnel, and can also perform height adjustment according to the specific size of the mine tunnel, and has wide application range; the supporting device has the advantages that the supporting and reinforcing mechanisms are connected between the cylinder bodies of the two adjacent single hydraulic support columns, so that the single hydraulic support columns can be reinforced, the single hydraulic support columns are connected into a whole, and the reliability of the supporting device is improved; through with a plurality of supporting strengthening mechanism along the direction of height of hydraulic prop from top to bottom be broken line type and lay, can improve and support strengthening mechanism to hydraulic prop's strut intensity, can carry out nimble adjustment according to the interval between two adjacent hydraulic prop simultaneously, improve this strutting arrangement's commonality.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a quick airtight strutting arrangement temporarily in catastrophe region in pit which characterized in that: the hydraulic prop comprises a plurality of single hydraulic props supported between the top coal wall of a mine roadway and the pavement of the mine roadway, the single hydraulic props are parallel to each other and are arranged at equal intervals along the width direction of the mine roadway, one side of each single hydraulic prop is provided with a power mechanism for driving the single hydraulic prop to lift, two adjacent single hydraulic props are fastened and connected through a plurality of supporting and reinforcing mechanisms, the supporting and reinforcing mechanisms are arranged in a broken line shape from top to bottom along the height direction of the single hydraulic props, two ends of each supporting and reinforcing mechanism are respectively hinged and connected with the side walls of the single hydraulic props at two sides through a self-locking type hinge mechanism, the top of a movable prop body in each single hydraulic prop is provided with a top supporting mechanism, and each top supporting mechanism comprises a triangular claw support which is hinged at the top of the movable prop body of the single hydraulic prop and is used for tightly holding the top coal wall, the center of the triangular claw support is provided with a top column which can move up and down relative to the single hydraulic prop and is used for being inserted into the top coal wall of the mine roadway.
Foretell quick strutting arrangement of catastrophe area temporarily in pit, its characterized in that: the power mechanism is a crank, one side of the single hydraulic prop is provided with a connecting female head for mounting the power mechanism, and a regular hexagon interface is arranged in the connecting female head.
Foretell quick strutting arrangement of catastrophe area temporarily in pit, its characterized in that: a speed changer is arranged between the single hydraulic prop and the power mechanism, one side of the speed changer is provided with a low-speed connecting male head and a high-speed connecting male head which are matched with the regular hexagonal interface on the connecting female head, and the other side of the speed changer is provided with a connecting interface for mounting the power mechanism.
Foretell quick strutting arrangement of catastrophe area temporarily in pit, its characterized in that: the supporting and reinforcing mechanism is an aluminum alloy telescopic rod and comprises an inner rod and two outer rods, the two outer rods are respectively sleeved at two ends of the inner rod, a beam opening is formed in one end, connected with the inner rod, of each outer rod, and a pre-tightening nut is sleeved on the outer side of one end, close to the beam opening, of each outer rod.
Foretell quick strutting arrangement of catastrophe area temporarily in pit, its characterized in that: the self-locking hinge mechanism comprises a self-locking pin, and a hinge hole matched with the self-locking pin is formed in one end, far away from the beam opening, of the outer rod.
Foretell quick strutting arrangement of catastrophe area temporarily in pit, its characterized in that: the quantity of hydraulic prop is 3, and the both sides of the cylinder body of a hydraulic prop laid in the middle of the mine tunnel all are provided with a plurality of articulated seats that supply the articulated connection of outer pole, and two one sides of keeping away from the coal wall on the cylinder body of hydraulic prop laid respectively in mine tunnel both sides all are provided with a plurality of articulated seats, articulated seat is articulated seat of U-shaped and its upper portion set up with the hinge hole of auto-lock pin mutually supporting.
Foretell quick strutting arrangement of catastrophe area temporarily in pit, its characterized in that: the triangular claw support comprises 3 supporting claws hinged to the top of the movable column body of the single hydraulic prop through hinge shafts, the top column is hinged to each supporting claw through movable connecting rods, one end of each movable connecting rod is hinged to the middle of the top column, and the other end of each movable connecting rod is hinged to the middle of each supporting claw.
Foretell quick strutting arrangement of catastrophe area temporarily in pit, its characterized in that: the lower extreme of fore-set is provided with the pressure pad, the pressure pad is circular steel sheet.
Compared with the prior art, the utility model has the following advantage:
1. the utility model has the advantages of reasonable design, through set up a plurality of hydraulic prop in the mine tunnel, can effectively support the top coal wall in mine tunnel, can also carry out the altitude mixture control according to the concrete size in mine tunnel simultaneously, application scope is extensive; in addition, because the single hydraulic prop is convenient to support and small in size, the single hydraulic prop is convenient to transport and temporarily store, the airtight supporting time can be effectively shortened, and the personal safety of constructors is guaranteed.
2. The utility model discloses a set up power unit in one side of hydraulic prop, the constructor of being convenient for effectively adjusts simple operation according to the rise or the decline height of demand to hydraulic prop.
3. The utility model discloses a connect a plurality of support strengthening mechanism between two adjacent hydraulic prop's cylinder body, can consolidate hydraulic prop, make a plurality of hydraulic prop connect for a whole, improve this strutting arrangement's reliability.
4. The utility model discloses a being broken line type from top to bottom with a plurality of supporting strengthening mechanism along hydraulic prop's direction of height and laying, can improving and support strengthening mechanism to hydraulic prop's strut intensity, can carrying out nimble adjustment according to the interval between two adjacent hydraulic prop simultaneously, improve this strutting arrangement's commonality.
To sum up, the utility model can effectively support the top coal wall of the mine tunnel by arranging a plurality of single hydraulic props in the mine tunnel, and can also adjust the height according to the concrete size of the mine tunnel, so that the application range is wide; the supporting device has the advantages that the supporting and reinforcing mechanisms are connected between the cylinder bodies of the two adjacent single hydraulic support columns, so that the single hydraulic support columns can be reinforced, the single hydraulic support columns are connected into a whole, and the reliability of the supporting device is improved; through with a plurality of supporting strengthening mechanism along the direction of height of hydraulic prop from top to bottom be broken line type and lay, can improve and support strengthening mechanism to hydraulic prop's strut intensity, can carry out nimble adjustment according to the interval between two adjacent hydraulic prop simultaneously, improve this strutting arrangement's commonality.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is the utility model discloses the regional quick airtight strutting arrangement's of cataclysm structure sketch map in pit.
Fig. 2 is a schematic view of the connection relationship between the single hydraulic prop and the transmission of the present invention.
Fig. 3 is a schematic structural view of the supporting and reinforcing mechanism of the present invention.
Fig. 4 is a schematic structural diagram of the transmission of the present invention.
Fig. 5 is a schematic diagram of the internal gear transmission relationship of the transmission of the present invention.
Fig. 6 is a schematic structural view of the self-locking pin of the present invention.
Fig. 7 is a schematic view of the connection relationship between the hinge seat and an outer rod of the present invention.
Fig. 8 is a schematic view of the connection relationship between the hinge seat and the two outer rods of the present invention.
Description of reference numerals:
1-mine tunnel; 2-single hydraulic prop; 3, a power mechanism;
4, connecting a female head; 5-a transmission; 5-1-driving wheel;
5-2 — a first driven wheel; 5-3-a second driven wheel; 6-1-low speed connection male joint;
6-2-high-speed connection male head; 7-connecting the interface; 8, an inner rod;
9-outer pole; 9-1-bundle mouth; 9-2-hinge hole;
10-a pre-tightening nut; 11-self-locking pin; 11-1-pin body;
11-2-a stop; 11-3-a movable lock; 12-triangular claw support;
12-1-support jaw; 13-top post; 14-a movable connecting rod;
15-pressure bearing pad; 16-hinged seat.
Detailed Description
As shown in figure 1, the utility model comprises a plurality of single hydraulic props 2 supported between the top coal wall of a mine tunnel 1 and the pavement of the mine tunnel 1, a plurality of single hydraulic props 2 are parallel to each other and are arranged at equal intervals along the width direction of the mine tunnel 1, one side of each single hydraulic prop 2 is provided with a power mechanism 3 for driving the single hydraulic prop 2 to go up and down, the cylinder bodies of two adjacent single hydraulic props 2 are fastened and connected through a plurality of supporting and reinforcing mechanisms, the supporting and reinforcing mechanisms are arranged in a zigzag type from top to bottom along the height direction of the single hydraulic prop 2, two ends of the supporting and reinforcing mechanisms are respectively hinged and connected with the cylinder body side walls of the single hydraulic props 2 at two sides through a self-locking type hinge mechanism, the top of the movable cylinder body in the single hydraulic prop 2 is provided with a top supporting mechanism, the top supporting mechanism comprises a triangular claw support 12 which is hinged to the top of a movable column body of the single hydraulic support column 2 and used for grasping the coal wall at the top of the mine roadway 1, and a top column 13 which can move up and down relative to the single hydraulic support column 2 and is used for being inserted into the coal wall at the top of the mine roadway 1 is arranged at the center of the triangular claw support 12.
When the support is actually used, the plurality of single hydraulic supports 2 are arranged in the mine tunnel 1, so that the top coal wall of the mine tunnel 1 can be effectively supported, meanwhile, the height can be adjusted according to the specific size of the mine tunnel 1, and the application range is wide; in addition, because the single hydraulic prop 2 is convenient to support and small in size, the single hydraulic prop is convenient to transport and temporarily store, the airtight supporting time can be effectively shortened, and the personal safety of constructors is guaranteed.
In this embodiment, the hydraulic prop 2 is preferred to be DN hand formula hydraulic prop, sets up power unit 3 through the one side at hydraulic prop 2, and the constructor of being convenient for effectively adjusts simple operation according to the rise or the decline height of demand to hydraulic prop 2.
During the in-service use, through adjacent two connect a plurality of support strengthening mechanism between hydraulic prop 2's cylinder body, can consolidate hydraulic prop 2, make a plurality of hydraulic prop 2 connect as a whole, improve this strutting arrangement's reliability.
It should be noted that, by arranging the plurality of supporting and reinforcing mechanisms in a zigzag manner from top to bottom along the height direction of the single hydraulic prop 2, a triangular structure can be formed between two adjacent supporting and reinforcing mechanisms and one of the single hydraulic props 2, the supporting strength of the supporting and reinforcing mechanisms on the single hydraulic prop 2 can be improved, and meanwhile, the supporting device can be flexibly adjusted according to the distance between two adjacent single hydraulic props 2, so that the universality of the supporting device is improved.
In the embodiment, the supporting and reinforcing mechanism is tightly connected with the single hydraulic prop 2 through the self-locking hinge mechanism, so that the installation efficiency of the supporting device can be effectively improved, and meanwhile, the phenomenon that the joint of the supporting and reinforcing mechanism and the single hydraulic prop 2 falls off and further the reliability of the whole supporting device is influenced can be avoided.
During the in-service use, set up triangle claw through the top at hydraulic prop 2 and prop 12, enable triangle claw and prop 12 the top coal wall that tightly grabs mine tunnel 1, and then can effectively improve hydraulic prop 2's support intensity, avoid hydraulic prop 2 to take place to shift for the top coal wall of mine tunnel 1 simultaneously.
It should be noted that, by arranging the top pillar 13 in the middle of the triangular claw support 12, when the single hydraulic prop 2 ascends under the action of the power mechanism 3, the top pillar 13 can be inserted into the top coal wall of the mine roadway 1 along with the top of the single hydraulic prop 2, so as to limit the single hydraulic prop 2, improve the connection strength between the single hydraulic prop 2 and the top coal wall of the mine roadway 1, and prevent the single hydraulic prop 2 from overturning.
In this embodiment, the single hydraulic prop 2 is an internal injection single hydraulic prop with a diameter of 0.1m, and the bottom of the single hydraulic prop is provided with a thickened and widened base, so that the single hydraulic prop is suitable for various roadways.
In this embodiment, the power mechanism 3 is a crank, a female connection head 4 for mounting the power mechanism 3 is arranged on one side of the single hydraulic prop 2, and a regular hexagon interface is arranged in the female connection head 4.
During the in-service use, one side of hydraulic prop 2 is provided with the female head 4 of connection that supplies power unit 3 to install, the tip of connecting female head 4 is provided with inside sunken regular hexagon interface, the installation of the crank of being convenient for.
As shown in fig. 2 and 4, in this embodiment, a transmission 5 is disposed between the single hydraulic prop 2 and the power mechanism 3, a low-speed connection male joint 6-1 and a high-speed connection male joint 6-2 that are matched with a regular hexagonal interface on the connection female joint 4 are disposed on one side of the transmission 5, and a connection interface 7 for mounting the power mechanism 3 is disposed on the other side of the transmission 5.
When the device is actually used, the transmission 5 is arranged between the single hydraulic prop 2 and the power mechanism 3, the low-speed connecting male head 6-1 and the high-speed connecting male head 6-2 are arranged on one side of the transmission 5, and when the connecting female head 4 of the single hydraulic prop 2 is connected with the low-speed connecting male head 6-1, the lifting height of the single hydraulic prop 2 can be finely adjusted by manually controlling the power mechanism 3; when the female connecting head 4 of the single hydraulic prop 2 is connected with the male high-speed connecting head 6-2, the lifting height of the single hydraulic prop 2 can be quickly adjusted through the manual control power mechanism 3, and the installation efficiency and the supporting strength of the single hydraulic prop 2 can be effectively improved.
It should be noted that the structures of the low-speed connection male joint 6-1 and the high-speed connection male joint 6-2 are the same as the structure of the joint end of the crank handle, the crank handle can be directly used for driving when lifting and lowering the single hydraulic prop 2, and in order to improve the installation efficiency of the single hydraulic prop 2 and reduce the labor intensity of constructors, a transmission 5 can be additionally arranged between the single hydraulic prop 2 and the power mechanism 3 for operation.
As shown in fig. 5, in the present embodiment, the transmission 5 includes a drive pulley 5-1, a first driven pulley 5-2 and a second driven pulley 5-3, the first driven wheel 5-2 and the second driven wheel 5-3 are respectively arranged at two sides of the driving wheel 5-1 and are mutually meshed with the driving wheel 5-1, the rotating shaft of the driving wheel 5-1 is fixedly connected with the hexagonal interface 4 of the transmission 5, the rotating shaft of the first driven wheel 5-2 is fixedly connected with the low-speed connecting male joint 6-1, the rotating shaft of the second driven wheel 5-3 is fixedly connected with the high-speed connecting male head 6-2, the number of teeth of the first driven wheel 5-2 is greater than that of the driving wheel 5-1, and the number of teeth of the driving wheel 5-1 is greater than that of the second driven wheel 5-3.
As shown in fig. 3, in this embodiment, the supporting and reinforcing mechanism is an aluminum alloy telescopic rod and includes an inner rod 8 and two outer rods 9 respectively sleeved at two ends of the inner rod 8, a fastening opening 9-1 is formed at one end of the outer rod 9 connected to the inner rod 8, and a pre-tightening nut 10 is sleeved at an outer side of one end of the outer rod 9 close to the fastening opening 9-1.
During the in-service use, through inciting somebody to action support strengthening mechanism sets up to the aluminum alloy telescopic link, can effectively alleviate this airtight strutting arrangement's weight, and the constructor of being convenient for transports and installs, can effectively alleviate constructor's intensity of labour, improves the efficiency of construction.
It should be noted that, the end of the outer rod 9 connected to the inner rod 8 is provided with the binding opening 9-1, the binding opening 9-1 has a certain binding force on the inner rod 8, so that the telescopic rod is prevented from shaking, and the reliability of the telescopic rod device is improved, and the pre-tightening nut 10 is sleeved on the outer side of the end of the outer rod 9 close to the binding opening 9-1, so that the binding opening 9-1 can be reinforced, the connection strength and the connection reliability between the outer rod 9 and the inner rod 8 are improved, and the inner rod 8 is prevented from sliding relative to the outer rod 9.
In this embodiment, the opening 9-1 is formed by forming 3 slits in the end of the outer rod 9 along the circumferential direction thereof and pressing the slit inward.
In practical use, the outer side wall of the outer rod 9 is provided with an external thread matched with the internal thread of the pretightening nut 10.
In this embodiment, the self-locking hinge mechanism includes a self-locking pin 11, and a hinge hole 9-2 mutually matched with the self-locking pin 11 is formed in one end of the outer rod 9, which is far away from the bundle opening 9-1.
In practical use, one end of the outer rod 9, which is far away from the binding opening 9-1, is flat, and the hinge hole 9-2 is formed in a flat section of the outer rod 9, so that the hinge hole can be conveniently hinged with the cylinder body of the single hydraulic prop 2.
As shown in fig. 6, in this embodiment, the self-locking pin 11 includes a cylindrical pin body 11-1, one end of the pin body 11-1 is provided with a limiting member 11-2, the other end of the pin body 11-1 is embedded with two movable locks 11-3 symmetrically arranged, the pin body 11-1 is provided with a guide groove for mounting the movable lock 11-3, and the movable lock 11-3 is mounted in the guide groove through a spring.
In this embodiment, the quantity of hydraulic prop 2 is 3, and the both sides of the cylinder body of hydraulic prop 2 of the monomer of laying in the middle of mine tunnel 1 all are provided with a plurality of articulated seats 16 that supply the articulated connection of outer rod 9, and two one sides of keeping away from the coal wall of laying respectively on the cylinder body of hydraulic prop 2 of mine tunnel 1 both sides all are provided with a plurality of articulated seats 16, articulated seat 16 is articulated seat of U-shaped and its upper portion offer the hinge hole of mutually supporting with auto-lock pin 11.
As shown in fig. 7 and 8, in actual use, the hinge base 16 is a U-shaped hinge base, so that the connection of the outer rod 9 is facilitated, through holes for the self-locking pins 11 to pass through are formed in both sides of the hinge base 16, and the two through holes are coaxially arranged; when the outer rod 9 is hinged, one flat end of the outer rod 9 is arranged in the groove of the hinge seat 16, the hinge hole 9-2 and the through hole on the hinge seat 16 are coaxially arranged, and after the end, provided with the movable lock 11-3, of the self-locking pin 11 penetrates through the two through holes and the hinge hole 9-2, the outer rod 9 is hinged with the cylinder body of the single hydraulic prop 2.
It should be noted that the number of the hinged seats 16 on both sides of the single hydraulic prop 2 located in the middle of the mine roadway 1 is equal and in one-to-one correspondence, the number of the hinged seats 16 on the two single hydraulic props 2 located in both sides of the mine roadway 1 is equal to and in one-to-one correspondence with the number of the hinged seats 16 on each side of the single hydraulic prop 2 located in the middle of the mine roadway 1, the number of the hinged seats 16 arranged on the same side of the single hydraulic prop 2 is not less than the number of the supporting and reinforcing mechanisms, and the connecting ends of the two vertically adjacent supporting and reinforcing mechanisms are hinged on the same hinged seat 16.
In this embodiment, the triangular claw support 12 includes 3 support claws 12-1 hinged to the top of the movable column of the single hydraulic prop 2 through hinge shafts, the top column 13 is hinged to each support claw 12-1 through a movable connecting rod 14, one end of the movable connecting rod 14 is hinged to the middle of the top column 13, and the other end of the movable connecting rod 14 is hinged to the middle of the support claw 12-1.
In practical use, the 3 support claws 12-1 are arranged at equal intervals along the circumferential direction of the single hydraulic prop 2 movable column body, the lower ends of the support claws 12-1 are hinged at the top of the single hydraulic prop 2 movable column body, and the upper ends of the support claws 12-1 are provided with outwards extending convex edges for supporting the top coal wall.
It should be noted that the top pillar 13 is hinged to the supporting claw 12-1 through the movable connecting rod 14, so that the synchronous action of the top pillar 13 and the supporting claw 12-1 can be realized, the supporting claw 12-1 tightly grasps the top coal wall, and meanwhile, the top pillar 13 is inserted into the top coal wall to fix the single hydraulic prop 2, and the whole structure is ingenious in design and high in practicability.
In this embodiment, the lower end of the top pillar 13 is provided with a pressure bearing pad 15, and the pressure bearing pad 15 is a circular steel plate.
During the in-service use, through be provided with pressure pad 15 at the lower extreme of fore-set 13, can increase the area of contact between fore-set 13 and the plunger of hydraulic prop 2, guarantee the stability that the plunger of hydraulic prop 2 exerted force to fore-set 13, and then avoid fore-set 13 to take place crooked.
In this embodiment, the pressure bearing pad 15 and the top pillar 13 are coaxially arranged and fixed at the lower part of the top pillar 13, the pressure bearing pad 15 and the top end of the plunger of the single hydraulic prop 2 are arranged in parallel, and when the top pillar 13 is not subjected to an external force, a certain hole is formed at the top ends of the pressure bearing pad 15 and the plunger of the single hydraulic prop 2.
The utility model discloses during the in-service use, the both sides in the airtight position of air inlet side and return air side in the catastrophe region all are provided with this airtight strutting arrangement, when airtight strutting arrangement's installation carries out, at first fix the assigned position in mine tunnel respectively with a plurality of hydraulic prop 2's bottom support, and target in place with 2 jacking of hydraulic prop, make the fore-set 13 on 2 upper portions of hydraulic prop insert in the coal seam, then support strengthening mechanism's length through the adjustment of pretension nut 10, form airtight strutting arrangement after two adjacent hydraulic prop 2 connect the support strengthening mechanism through auto-lock pin 11.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (8)
1. The utility model provides a quick airtight strutting arrangement temporarily in catastrophe region in pit which characterized in that: the hydraulic prop comprises a plurality of single hydraulic props (2) supported between the top coal wall of a mine roadway (1) and the pavement of the mine roadway (1), wherein the single hydraulic props (2) are parallel to each other and are arranged at equal intervals along the width direction of the mine roadway (1), one side of each single hydraulic prop (2) is provided with a power mechanism (3) for driving the single hydraulic prop (2) to lift, two adjacent single hydraulic props (2) are fixedly connected with each other through a plurality of supporting and reinforcing mechanisms, the supporting and reinforcing mechanisms are arranged in a zigzag manner from top to bottom along the height direction of the single hydraulic props (2), two ends of each supporting and reinforcing mechanism are respectively hinged with the cylinder side walls of the single hydraulic props (2) at two sides through a self-locking hinge mechanism, the top of a plunger body in each single hydraulic prop (2) is provided with a top supporting mechanism, the top supporting mechanism comprises a triangular claw support (12) which is hinged to the top of a movable column body of a single hydraulic support (2) and used for grasping the coal wall at the top of the mine roadway (1), and a top column (13) which can move up and down relative to the single hydraulic support (2) and is used for being inserted into the coal wall at the top of the mine roadway (1) is arranged at the center of the triangular claw support (12).
2. The underground cataclysm area temporary rapid closed supporting device according to claim 1, is characterized in that: the power mechanism (3) is a crank handle, one side of the single hydraulic prop (2) is provided with a connecting female head (4) for mounting the power mechanism (3), and a regular hexagon interface is arranged in the connecting female head (4).
3. The underground cataclysm area temporary rapid closed supporting device according to claim 2, is characterized in that: a speed changer (5) is arranged between the single hydraulic prop (2) and the power mechanism (3), a low-speed connecting male head (6-1) and a high-speed connecting male head (6-2) which are matched with the regular hexagonal interface on the connecting female head (4) are arranged on one side of the speed changer (5), and a connecting interface (7) for installing the power mechanism (3) is arranged on the other side of the speed changer (5).
4. The underground cataclysm area temporary rapid closed supporting device according to claim 1, is characterized in that: the supporting and reinforcing mechanism is an aluminum alloy telescopic rod and comprises an inner rod (8) and two outer rods (9) which are respectively sleeved at the two ends of the inner rod (8), a beam opening (9-1) is formed in one end, connected with the inner rod (8), of each outer rod (9), and a pre-tightening nut (10) is sleeved on the outer side of one end, close to the beam opening (9-1), of each outer rod (9).
5. The underground cataclysm area temporary rapid closed supporting device according to claim 4, is characterized in that: the self-locking hinge mechanism comprises a self-locking pin (11), and a hinge hole (9-2) matched with the self-locking pin (11) is formed in one end, far away from the beam opening (9-1), of the outer rod (9).
6. The underground cataclysm area temporary rapid closed supporting device according to claim 5, is characterized in that: the quantity of hydraulic prop (2) is 3, and the both sides of the cylinder body of hydraulic prop (2) of laying in the middle of mine tunnel (1) all are provided with a plurality of articulated seats (16) of supplying outer rod (9) articulated connection, and two one sides of keeping away from the coal wall on the cylinder body of hydraulic prop (2) of laying respectively in mine tunnel (1) both sides all are provided with a plurality of articulated seats (16), articulated seat (16) are articulated seat of U-shaped and its upper portion and set up the hinge hole of mutually supporting with auto-lock pin (11).
7. The underground cataclysm area temporary rapid closed supporting device according to claim 1, is characterized in that: the triangular claw support (12) comprises 3 supporting claws (12-1) hinged to the tops of the movable columns of the single hydraulic support columns (2) through hinged shafts, the top column (13) is hinged to each supporting claw (12-1) through a movable connecting rod (14), one end of each movable connecting rod (14) is hinged to the middle of the top column (13), and the other end of each movable connecting rod (14) is hinged to the middle of the corresponding supporting claw (12-1).
8. The underground cataclysm area temporary rapid closed supporting device according to claim 1, is characterized in that: the lower end of the top column (13) is provided with a pressure bearing pad (15), and the pressure bearing pad (15) is a circular steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921565546.6U CN210714775U (en) | 2019-09-19 | 2019-09-19 | Temporary quick airtight supporting device for underground cataclysm area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921565546.6U CN210714775U (en) | 2019-09-19 | 2019-09-19 | Temporary quick airtight supporting device for underground cataclysm area |
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| CN210714775U true CN210714775U (en) | 2020-06-09 |
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|---|---|---|---|
| CN201921565546.6U Expired - Fee Related CN210714775U (en) | 2019-09-19 | 2019-09-19 | Temporary quick airtight supporting device for underground cataclysm area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454216A (en) * | 2019-09-19 | 2019-11-15 | 西安科技大学 | A kind of interim rapid sealing support device in underground catastrophe region and method |
-
2019
- 2019-09-19 CN CN201921565546.6U patent/CN210714775U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454216A (en) * | 2019-09-19 | 2019-11-15 | 西安科技大学 | A kind of interim rapid sealing support device in underground catastrophe region and method |
| CN110454216B (en) * | 2019-09-19 | 2024-03-15 | 西安科技大学 | Underground catastrophe area temporary rapid airtight supporting device and method |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20200919 |