CN112031871B - Four-wing stretching type underground space water-blocking grille device - Google Patents
Four-wing stretching type underground space water-blocking grille device Download PDFInfo
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- CN112031871B CN112031871B CN202010838326.7A CN202010838326A CN112031871B CN 112031871 B CN112031871 B CN 112031871B CN 202010838326 A CN202010838326 A CN 202010838326A CN 112031871 B CN112031871 B CN 112031871B
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- 239000002184 metal Substances 0.000 claims abstract description 149
- 229910052751 metal Inorganic materials 0.000 claims abstract description 149
- 230000000903 blocking effect Effects 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims description 45
- 238000009434 installation Methods 0.000 claims description 13
- 230000001174 ascending effect Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 239000004576 sand Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 239000004744 fabric Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 239000004575 stone Chemical group 0.000 abstract description 3
- 241001077898 Melanthera Species 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000005553 drilling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/103—Dams, e.g. for ventilation
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Abstract
The invention discloses a four-wing extending type underground space water-blocking grid device which comprises an upper-end reversed-thread threaded connector, a lower-end positive-thread threaded pointed end, a square core column, a blocking piece, a metal wing piece and a spring rotating shaft, wherein the upper-end reversed-thread threaded connector is fixedly arranged at the upper end of the square core column, the lower-end positive-thread threaded pointed end is fixedly arranged at the lower end of the square core column, the first end of the metal wing piece is hinged or fixedly arranged on the spring rotating shaft, the blocking piece is arranged on the square core column and tightly presses the metal wing piece on the square core column, the spring rotating shaft is arranged on the square core column, and when the blocking piece leaves the metal wing piece, the second end of the metal wing piece rotates by taking the spring rotating shaft as an axis and towards a direction far away from the square core column. The invention can quickly establish water-blocking structural obstacles in water flow in underground spaces such as roadways, chambers or cavities, so that sand, stone chains, cloth and other materials thrown into the underground water flow are accumulated near the water-blocking grids, and the construction period of the water-blocking wall in the underground water flow is shortened.
Description
Technical Field
The invention relates to the technical field of mine underground water treatment. In particular to a four-wing extending type underground space water-blocking grating device.
Background
In the treatment process of underground spaces (roadways, chambers and cavities), water flow in the underground spaces needs to be blocked, so that good construction conditions are created, and the harm of the underground water flow to underground engineering is reduced. However, materials such as sand, iron chains, and cloth often cannot be rapidly accumulated in the water flow of underground spaces (tunnels, chambers, cavities).
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide a four-wing extending type underground space water-blocking grid device for underground space treatment, which can improve the accumulation speed of materials such as sand, iron chains, cloth and the like in the water flow of the underground space (tunnel, chamber and cavity).
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a four wings extension formula underground space grille installation that blocks water, includes the reverse screw thread joint of upper end, the positive screw thread tip of lower extreme, square stem, separation blade, metal wing piece and spring rotation axle, the reverse screw thread joint fixed mounting of upper end in the upper end of square stem, the positive screw thread tip fixed mounting of lower extreme is in the lower extreme of square stem, the first end of metal wing piece is articulated or fixed mounting is in on the spring rotation axle, the separation blade is installed on the square stem and will the metal wing piece compresses tightly on the square stem, the spring rotation axle is installed on the square stem, works as the separation blade leaves when the metal wing piece, the second end of metal wing piece with the spring rotation axle is the axle and towards keeping away from the direction of square stem is rotated.
In the four-wing extended underground space water-blocking grille device, the spring rotating shaft consists of an upper spring rotating shaft and a lower spring rotating shaft, and the metal wing consists of an upper metal wing and a lower metal wing; the upper spring rotating shaft is mounted at the upper end of the square core column, the lower spring rotating shaft is mounted at the lower end of the square core column, the upper end of the upper metal wing piece is hinged to the upper spring rotating shaft, and the lower end of the lower metal wing piece is hinged to the lower spring rotating shaft; the upper metal wing piece and the lower metal wing piece are respectively pressed through the blocking pieces.
According to the four-wing extending type underground space water-blocking grid device, the upper metal wing piece and the lower metal wing piece which are compressed by the blocking pieces are arranged on each side face of the square core column, and the upper metal wing piece and the lower metal wing piece on the same side face of the square core column are parallel to each other and are respectively tightly attached to the side faces of the square core column.
In the four-wing extended underground space water-blocking grille device, the upper end of the square core column is provided with an upper mounting groove, and the lower end of the square core column is provided with a lower mounting groove; the upper spring rotating shaft is arranged in the upper mounting groove, and the lower spring rotating shaft is arranged in the lower mounting groove; an upper torsion spring is sleeved on the upper spring rotating shaft, and a lower torsion spring is sleeved on the lower spring rotating shaft; the upper metal wing piece is fixedly connected with the first tail end of the upper torsion spring, and the second tail end of the upper torsion spring is fixedly arranged on the wall of the upper mounting groove, so that the upper end of the upper metal wing piece is hinged with the upper spring rotating shaft through the upper torsion spring; the lower metal wing piece is fixedly connected with the first end of the lower torsion spring, and the second end of the lower torsion spring is fixedly installed on the groove wall of the lower installation groove, so that the lower end of the lower metal wing piece is hinged to the lower spring rotating shaft through the lower torsion spring.
In the four-wing extending type underground space water-blocking grille device, the blocking piece is arranged on the square core column through the blocking piece rotating shaft, and the distance between the blocking piece rotating shaft and the free end of the lower end positive thread pointed end is smaller than the distance between the lower spring rotating shaft and the free end of the lower end positive thread pointed end; the separation blade certainly separation blade pivot ascending part is separation blade portion that compresses tightly, the separation blade certainly separation blade pivot decurrent part is fin release portion, the lower extreme distance of fin release portion the distance of the free end of lower extreme positive thread screw tip is greater than zero.
According to the four-wing extending type underground space water-blocking grating device, the distance between the lower end of the wing releasing part and the free end of the lower end positive thread pointed end is 150mm, and the length of the lower end positive thread pointed end is 300 mm.
In the four-wing extended underground space water-blocking grille device, the spring rotating shaft consists of an upper spring rotating shaft and a lower spring rotating shaft, and the metal wing consists of an upper metal wing and a lower metal wing; the upper end of the square core column is provided with an upper mounting groove, and the lower end of the square core column is provided with a lower mounting groove; two ends of the upper spring rotating shaft are respectively positioned in the upper rotating holes in the inner wall of the upper mounting groove and can rotate in the upper rotating holes, and two ends of the lower spring rotating shaft are respectively positioned in the lower rotating holes in the inner wall of the lower mounting groove and can rotate in the lower rotating holes; an upper reset torsion spring and a lower reset torsion spring are respectively arranged in the upper mounting groove and the lower mounting groove or in the upper rotating hole and the lower rotating hole, the first tail end of the upper reset torsion spring is fixedly connected with the upper metal wing piece or the upper spring rotating shaft, and the second tail end of the upper reset torsion spring is fixedly connected with the square core column; the first tail end of the lower reset torsion spring is fixedly connected with the lower metal wing or the lower spring rotating shaft, and the second tail end of the lower reset torsion spring is fixedly connected with the square core column; the upper end of the upper metal wing piece is fixedly arranged on the upper spring rotating shaft, and the lower end of the lower metal wing piece is fixedly arranged on the lower spring rotating shaft.
In the four-wing extending type underground space water-blocking grid device, the upper metal wing piece and the lower metal wing piece are respectively pressed tightly through the baffle pieces; each side face of the square core column is provided with the upper metal wing piece and the lower metal wing piece which are pressed by the blocking pieces, and the upper metal wing piece and the lower metal wing piece on the same side face of the square core column are parallel to each other and are respectively tightly attached to the side faces of the square core column.
In the four-wing extending type underground space water-blocking grille device, the blocking piece is arranged on the square core column through the blocking piece rotating shaft, and the distance between the blocking piece rotating shaft and the free end of the lower end positive thread pointed end is smaller than the distance between the lower spring rotating shaft and the free end of the lower end positive thread pointed end; the separation blade certainly separation blade pivot ascending part is separation blade portion that compresses tightly, the separation blade certainly separation blade pivot decurrent part is fin release portion, the lower extreme distance of fin release portion the distance of the free end of lower extreme positive thread screw tip is greater than zero.
In the four-wing extending type underground space water-blocking grid device, the metal wing pieces are 2m in length, 0.5m in width and 8mm in thickness.
The technical scheme of the invention achieves the following beneficial technical effects:
the invention solves the problem that materials such as sand, stone, iron chains, cloth and the like can not be rapidly accumulated in the water flow of underground spaces (roadways, chambers and cavities), the four-wing extending type water-blocking grating device is placed into the water flow of the underground spaces through ground drilling, the threaded drill bit at the lower end of the water-blocking grating is inserted into the rock stratum of the bottom plate, the water-blocking grating device is opened by rotating the drill rod, the metal wing plates are extended along with the water-blocking grating device, the drill rod of the connecting device is automatically unfastened by the upper-end reverse-thread male buckle, and the whole device is placed in the water flow of the underground cavities. The stretched four-wing metal wing can form a structural barrier in underground water flow, reduce the impact force of aggregates such as sand stones, iron chains and the like in the water flow, quickly accumulate nearby the water-blocking grating, further form a water-blocking wall body in the water flow of an underground space (a roadway, a chamber and a cavity), create good construction conditions for blocking the water flow in the underground space and reduce the harm of the underground water flow to underground engineering.
The invention can quickly establish water-blocking structural obstacles in water flow in underground spaces such as a roadway, an underground chamber or a cavity, so that sand, iron chains, cloth and other materials which are put into the underground water flow are accumulated near the water-blocking grating, the construction period of the water-blocking wall in the underground water flow is shortened, the water-blocking grating plays a role of a metal framework in the water-blocking wall body formed by the sand, the iron chains, the cloth and other materials, the quality of the water-blocking wall body is improved, the construction method is completed by utilizing a drilling machine and a drill rod on the ground, and the safety coefficient of construction is improved.
Drawings
FIG. 1 is a schematic structural view of a four-wing extended underground space water-blocking grille apparatus according to the present invention in a non-operating state;
FIG. 2 is an enlarged view of the point A shown in FIG. 1;
FIG. 3 is an enlarged view of the point B shown in FIG. 1;
FIG. 4 is a schematic structural view illustrating an operating state of the four-wing extended underground space water-blocking grille apparatus of FIG. 1;
FIG. 5 is an enlarged view of FIG. 4 at C;
FIG. 6 is an enlarged view at D of FIG. 4;
FIG. 7 is a schematic view of a water-blocking grille installation for a four-wing extended underground space according to another form of the present invention in an inoperative state;
FIG. 8 is an enlarged view at E shown in FIG. 7;
FIG. 9 is an enlarged view at F of FIG. 7;
FIG. 10 is a schematic structural view illustrating an operation state of the four-wing extended underground space water-blocking grille apparatus of FIG. 7 according to the present invention; (ii) a
FIG. 11 is an enlarged view at G of FIG. 10;
fig. 12 is an enlarged view at H shown in fig. 10.
The reference numbers in the figures denote: 1-reverse thread screw joint at the upper end; 2-lower end positive thread sharp head; 3-a square core column; 4-mounting the groove; 5-a baffle plate; 51-a baffle plate rotating shaft; 6-metal fins; 61-upper metal fins; 62-lower metal fins; 7-spring rotation axis; 71-spring-up rotation axis; 72-lower spring rotation axis; 8-lower mounting groove; 9-upper torsion spring; 10-lower torsion spring; 11-upper reset torsion spring; 12-lower reset torsion spring.
Detailed Description
Example 1
The four-wing extended underground space water-blocking grille device of the embodiment comprises an upper-end reverse-thread threaded joint 1, a lower-end normal-thread threaded pointed end 2, a square core column 3, a baffle 5, a metal wing 6 and a spring rotating shaft 7, the upper end reverse thread connector 1 is fixedly arranged at the upper end of the square core column 3, the lower end positive thread pointed end 2 is fixedly arranged at the lower end of the square core column 3, the first end of the metal wing 6 is hinged or fixedly installed on the spring rotating shaft 7, the blocking sheet 5 is installed on the square core column 3 and presses the metal wing 6 on the square core column 3, the spring rotating shaft 7 is installed on the square core column 3, when the blocking sheet 5 leaves the metal fin 6, the second end of the metal fin 6 rotates with the spring rotating shaft 7 as an axis and in a direction away from the square stem 3. The metal fin 6 has a length of 2m, a width of 0.5m and a thickness of 8 mm.
The spring rotating shaft 7 consists of an upper spring rotating shaft 71 and a lower spring rotating shaft 72, and the metal fin 6 consists of an upper metal fin 61 and a lower metal fin 62; the upper spring rotating shaft 71 is mounted at the upper end of the square core column 3, the lower spring rotating shaft 72 is mounted at the lower end of the square core column 3, the upper end of the upper metal wing 61 is hinged on the upper spring rotating shaft 71, and the lower end of the lower metal wing 62 is hinged on the lower spring rotating shaft 72; the upper metal tab 61 and the lower metal tab 62 are respectively pressed by the baffle 5.
Each side surface of the square core column 3 is provided with the upper metal fin 61 and the lower metal fin 62 which are pressed by the blocking sheet 5, the upper metal fin 61 and the lower metal fin 62 on the same side surface of the square core column 3 are parallel to each other and are respectively tightly attached to the side surfaces of the square core column 3, that is: the upper metallic vanes 61 and the lower metallic vanes 62 are side by side non-overlapping on the side of the square stem 3.
The upper end of the square core column 3 is provided with an upper mounting groove 4, and the lower end of the square core column 3 is provided with a lower mounting groove 8; the upper spring rotating shaft 71 is installed in the upper installation groove 4, and the lower spring rotating shaft 72 is installed in the lower installation groove 8; an upper torsion spring 9 is sleeved on the upper spring rotating shaft 71, and a lower torsion spring 10 is sleeved on the lower spring rotating shaft 72; the upper metal wing 61 is fixedly connected with the first end of the upper torsion spring 9, and the second end of the upper torsion spring 9 is fixedly mounted on the wall of the upper mounting groove 4, so that the upper end of the upper metal wing 61 is hinged with the upper spring rotating shaft 71 through the upper torsion spring 9; the lower metal wing 62 is fixedly connected with the first end of the lower torsion spring 10, and the second end of the lower torsion spring 10 is fixedly mounted on the wall of the lower mounting groove 8, so that the lower end of the lower metal wing 62 is hinged to the lower spring rotating shaft 72 through the lower torsion spring 10.
The separation blade 5 is installed on the square core column 3 through a separation blade rotating shaft 51, and the distance between the separation blade rotating shaft 51 and the free end of the lower-end positive thread pointed end 2 is smaller than the distance between the lower spring rotating shaft 72 and the free end of the lower-end positive thread pointed end 2; separation blade 5 certainly separation blade pivot 51 ascending part is separation blade portion that compresses tightly, separation blade 5 certainly separation blade pivot 51 descending part is fin release portion, the lower extreme distance of fin release portion the distance of the free end of lower extreme positive thread screw tip 2 is greater than zero. The distance from the lower end of the tab release part to the free end of the lower end straight thread pointed tip 2 is 150mm, and the length of the lower end straight thread pointed tip 2 is 300 mm.
The drill rod is in threaded connection with the upper-end reversed-thread threaded joint 1, the four-wing extending type underground space water-blocking grating device provided by the invention is extended into an underground space, the drilling machine is started to enable the drill rod to drive the four-wing extending type underground space water-blocking grating device provided by the invention, the lower end of the lower-end reversed-thread pointed tip 2 gradually drills into the stratum, when the lowest end of the baffle 5 contacts the stratum, the baffle rotates by taking the baffle rotating shaft as an axis due to the resistance of the stratum, the baffle 5 is changed from a longitudinal direction to a transverse direction, so that the baffle 5 does not compress the upper metal wing 61 and the lower metal wing 62, the upper metal wing 61 is unfolded under the action of the upper torsion spring 9, and the lower metal wing 62 is also unfolded under the action of the lower torsion spring 10, so that a blocking effect is achieved in the underground space. Because after the upper metal wing 61 and the lower metal wing 62 are unfolded, one end of the upper metal wing 61 and one end of the lower metal wing 62 are still positioned in the mounting groove, and the groove wall of the mounting groove has a limiting function on the upper metal wing 61 and the lower metal wing 62, even if the upper metal wing 61 and the lower metal wing 62 are only fixedly connected with one end of the torsion spring, the upper metal wing 61 and the lower metal wing 62 can still be ensured to have a good blocking function.
Example 2
The four-wing extended underground space water-blocking grille device of the embodiment comprises an upper-end reverse-thread threaded joint 1, a lower-end normal-thread threaded pointed end 2, a square core column 3, a baffle 5, a metal wing 6 and a spring rotating shaft 7, the upper end reverse thread connector 1 is fixedly arranged at the upper end of the square core column 3, the lower end positive thread pointed end 2 is fixedly arranged at the lower end of the square core column 3, the first end of the metal wing 6 is hinged or fixedly installed on the spring rotating shaft 7, the blocking sheet 5 is installed on the square core column 3 and presses the metal wing 6 on the square core column 3, the spring rotating shaft 7 is installed on the square core column 3, when the blocking sheet 5 leaves the metal fin 6, the second end of the metal fin 6 rotates with the spring rotating shaft 7 as an axis and in a direction away from the square stem 3.
The spring rotating shaft 7 consists of an upper spring rotating shaft 71 and a lower spring rotating shaft 72, and the metal fin 6 consists of an upper metal fin 61 and a lower metal fin 62; the upper end of the square core column 3 is provided with an upper mounting groove 4, and the lower end of the square core column 3 is provided with a lower mounting groove 8; two ends of the upper spring rotating shaft 71 are respectively positioned in the upper rotating holes on the inner wall of the upper mounting groove 4 and can rotate in the upper rotating holes, and two ends of the lower spring rotating shaft 72 are respectively positioned in the lower rotating holes on the inner wall of the lower mounting groove 8 and can rotate in the lower rotating holes; an upper reset torsion spring 11 and a lower reset torsion spring 12 are respectively installed in the upper installation groove 4 and the lower installation groove 8, a first end of the upper reset torsion spring 11 is fixedly connected with the upper metal wing 61 (the upper spring rotating shaft 71), and a second end of the upper reset torsion spring 11 is fixedly connected with the square core column 3; the first end of the lower reset torsion spring 12 is fixedly connected with the lower metal wing 62 (or the lower spring rotating shaft 72), and the second end of the lower reset torsion spring 12 is fixedly connected with the square core column 3; the upper end of the upper metal tab 61 is fixedly mounted on the upper spring rotating shaft 71, and the lower end of the lower metal tab 62 is fixedly mounted on the lower spring rotating shaft 72. It is also possible to install the upper reset torsion spring 11 and the lower reset torsion spring 12 in the upper rotating hole and the lower rotating hole respectively, the first end of the upper reset torsion spring 11 with the upper spring rotating shaft 71 is fixedly connected, the first end of the lower reset torsion spring 12 with the lower spring rotating shaft 72 is fixedly connected, and this kind of installation mode can make the upper reset torsion spring 11 with the lower reset torsion spring 12 is more firm.
The upper metal fin 61 and the lower metal fin 62 are respectively pressed by the baffle 5; each side surface of the square core column 3 is provided with the upper metal fin 61 and the lower metal fin 62 which are pressed by the baffle 5, and the upper metal fin 61 and the lower metal fin 62 on the same side surface of the square core column 3 are parallel to each other and are respectively clung to the side surfaces of the square core column 3.
The separation blade 5 is installed on the square core column 3 through a separation blade rotating shaft 51, and the distance between the separation blade rotating shaft 51 and the free end of the lower-end positive thread pointed end 2 is smaller than the distance between the lower spring rotating shaft 72 and the free end of the lower-end positive thread pointed end 2; separation blade 5 certainly separation blade pivot 51 ascending part is separation blade portion that compresses tightly, separation blade 5 certainly separation blade pivot 51 descending part is fin release portion, the lower extreme distance of fin release portion the distance of the free end of lower extreme positive thread screw tip 2 is greater than zero. The distance from the lower end of the tab release to the free end of the lower positive thread prong 2 is 150mm in this embodiment, and the length of the lower positive thread prong 2 is 300 mm.
The drill rod is in threaded connection with the upper-end reversed-thread threaded joint 1, the four-wing extending type underground space water-blocking grating device provided by the invention is extended into an underground space, the drilling machine is started to enable the drill rod to drive the four-wing extending type underground space water-blocking grating device provided by the invention, the lower end of the lower-end reversed-thread pointed tip 2 gradually drills into the stratum, when the lowest end of the baffle 5 contacts the stratum, the baffle rotates by taking the baffle rotating shaft as an axis due to the resistance of the stratum, the baffle 5 changes from a longitudinal direction to a transverse direction, so that the baffle 5 does not compress the upper metal wing 61 and the lower metal wing 62, the upper metal wing 61 is unfolded under the action of the upper reset torsion spring 11, and the lower metal wing 62 is also unfolded under the action of the lower reset torsion spring 12, so that a blocking effect is achieved in the underground space. After the upper metal fin 61 and the lower metal fin 62 are unfolded, one ends of the upper metal fin 61 and the lower metal fin 62 are still positioned in the mounting groove, the groove wall of the mounting groove has a limiting effect on the upper metal fin 61 and the lower metal fin 62, and the fixing effect of the spring rotating shaft 7 is added, so that the upper metal fin 61 and the lower metal fin 62 can be guaranteed to have a good blocking effect.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.
Claims (4)
1. A four-wing extending type underground space water-blocking grid device is characterized by comprising an upper-end reversed-thread threaded connector (1), a lower-end positive-thread threaded tip (2), a square core column (3), blocking pieces (5), metal wing pieces (6) and a spring rotating shaft (7), wherein the upper-end reversed-thread threaded connector (1) is fixedly installed at the upper end of the square core column (3), the lower-end positive-thread threaded tip (2) is fixedly installed at the lower end of the square core column (3), the first ends of the metal wing pieces (6) are hinged or fixedly installed on the spring rotating shaft (7), the blocking pieces (5) are installed on the square core column (3) of the core column and tightly press the metal wing pieces (6) on the square core column (3), the spring rotating shaft (7) is installed on the square core column (3), and when the blocking pieces (5) leave the metal wing pieces (6), the second end of the metal fin (6) rotates by taking the spring rotating shaft (7) as an axis and towards a direction far away from the square core column (3);
the spring rotating shaft (7) consists of an upper spring rotating shaft (71) and a lower spring rotating shaft (72), and the metal fin (6) consists of an upper metal fin (61) and a lower metal fin (62); the upper spring rotating shaft (71) is mounted at the upper end of the square core column (3), the lower spring rotating shaft (72) is mounted at the lower end of the square core column (3), the upper end of the upper metal wing piece (61) is hinged to the upper spring rotating shaft (71), and the lower end of the lower metal wing piece (62) is hinged to the lower spring rotating shaft (72); the upper metal fin (61) and the lower metal fin (62) are respectively pressed by the baffle plate (5);
each side face of the square core column (3) is provided with the upper metal fin (61) and the lower metal fin (62) which are pressed by the baffle plates (5), and the upper metal fin (61) and the lower metal fin (62) on the same side face of the square core column (3) are parallel to each other and are respectively tightly attached to the side faces of the square core column (3);
the upper end of the square core column (3) is provided with an upper mounting groove (4), and the lower end of the square core column (3) is provided with a lower mounting groove (8); the upper spring rotating shaft (71) is installed in the upper installation groove (4), and the lower spring rotating shaft (72) is installed in the lower installation groove (8); an upper torsion spring (9) is sleeved on the upper spring rotating shaft (71), and a lower torsion spring (10) is sleeved on the lower spring rotating shaft (72); the upper metal wing piece (61) is fixedly connected with the first tail end of the upper torsion spring (9), and the second tail end of the upper torsion spring (9) is fixedly installed on the wall of the upper installation groove (4), so that the upper end of the upper metal wing piece (61) is hinged with the upper spring rotating shaft (71) through the upper torsion spring (9); the lower metal wing piece (62) is fixedly connected with the first tail end of the lower torsion spring (10), and the second tail end of the lower torsion spring (10) is fixedly installed on the groove wall of the lower installation groove (8), so that the lower end of the lower metal wing piece (62) is hinged with the lower spring rotating shaft (72) through the lower torsion spring (10);
the separation blade (5) is installed on the square core column (3) through a separation blade rotating shaft (51), and the distance between the separation blade rotating shaft (51) and the free end of the lower end positive thread pointed end (2) is smaller than the distance between the lower spring rotating shaft (72) and the free end of the lower end positive thread pointed end (2); separation blade (5) certainly separation blade pivot (51) ascending part is separation blade portion of compressing tightly, separation blade (5) certainly separation blade pivot (51) decurrent part is fin release portion, the lower extreme distance of fin release portion the distance of the free end of lower extreme positive thread screw thread tip (2) is greater than zero.
2. A four-wing extended underground space water-blocking grille installation according to claim 1 characterised in that the lower end of the wing relief is at a distance of 150mm from the free end of the lower straight threaded point (2), the lower straight threaded point (2) having a length of 300 mm.
3. A four-wing extending type underground space water-blocking grid device is characterized by comprising an upper-end reversed-thread threaded connector (1), a lower-end positive-thread threaded tip (2), a square core column (3), blocking pieces (5), metal wing pieces (6) and a spring rotating shaft (7), wherein the upper-end reversed-thread threaded connector (1) is fixedly installed at the upper end of the square core column (3), the lower-end positive-thread threaded tip (2) is fixedly installed at the lower end of the square core column (3), the first ends of the metal wing pieces (6) are hinged or fixedly installed on the spring rotating shaft (7), the blocking pieces (5) are installed on the square core column (3) of the core column and tightly press the metal wing pieces (6) on the square core column (3), the spring rotating shaft (7) is installed on the square core column (3), and when the blocking pieces (5) leave the metal wing pieces (6), the second end of the metal fin (6) rotates by taking the spring rotating shaft (7) as an axis and towards a direction far away from the square core column (3);
the spring rotating shaft (7) consists of an upper spring rotating shaft (71) and a lower spring rotating shaft (72), and the metal fin (6) consists of an upper metal fin (61) and a lower metal fin (62); the upper end of the square core column (3) is provided with an upper mounting groove (4), and the lower end of the square core column (3) is provided with a lower mounting groove (8); two ends of the upper spring rotating shaft (71) are respectively positioned in upper rotating holes in the inner wall of the upper mounting groove (4) and can rotate in the upper rotating holes, and two ends of the lower spring rotating shaft (72) are respectively positioned in lower rotating holes in the inner wall of the lower mounting groove (8) and can rotate in the lower rotating holes; an upper reset torsion spring (11) and a lower reset torsion spring (12) are respectively arranged in the upper mounting groove (4) and the lower mounting groove (8) or in the upper rotating hole and the lower rotating hole, the first tail end of the upper reset torsion spring (11) is fixedly connected with the upper metal wing piece (61) or the upper spring rotating shaft (71), and the second tail end of the upper reset torsion spring (11) is fixedly connected with the square core column (3); the first tail end of the lower reset torsion spring (12) is fixedly connected with the lower metal wing (62) or the lower spring rotating shaft (72), and the second tail end of the lower reset torsion spring (12) is fixedly connected with the square core column (3); the upper end of the upper metal wing piece (61) is fixedly arranged on the upper spring rotating shaft (71), and the lower end of the lower metal wing piece (62) is fixedly arranged on the lower spring rotating shaft (72);
the upper metal fin (61) and the lower metal fin (62) are respectively pressed by the baffle plate (5); each side face of the square core column (3) is provided with the upper metal fin (61) and the lower metal fin (62) which are pressed by the baffle plates (5), and the upper metal fin (61) and the lower metal fin (62) on the same side face of the square core column (3) are parallel to each other and are respectively tightly attached to the side faces of the square core column (3);
the separation blade (5) is installed on the square core column (3) through a separation blade rotating shaft (51), and the distance between the separation blade rotating shaft (51) and the free end of the lower end positive thread pointed end (2) is smaller than the distance between the lower spring rotating shaft (72) and the free end of the lower end positive thread pointed end (2); separation blade (5) certainly separation blade pivot (51) ascending part is separation blade portion of compressing tightly, separation blade (5) certainly separation blade pivot (51) decurrent part is fin release portion, the lower extreme distance of fin release portion the distance of the free end of lower extreme positive thread screw thread tip (2) is greater than zero.
4. A four-wing extended underground space water-blocking grid arrangement according to any one of claims 1 or 3, wherein the metal wings (6) are 2m long, 0.5m wide and 8mm thick.
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