CN213743466U - Temporary supporting device for coal mining excavation roadway - Google Patents
Temporary supporting device for coal mining excavation roadway Download PDFInfo
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- CN213743466U CN213743466U CN202023002041.4U CN202023002041U CN213743466U CN 213743466 U CN213743466 U CN 213743466U CN 202023002041 U CN202023002041 U CN 202023002041U CN 213743466 U CN213743466 U CN 213743466U
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Abstract
The utility model relates to a supporting device, more specifically the coal mining tunnelling temporary support device for tunnel that says so. The mining roadway support comprises a bottom support, a bottom support seat I, a bottom shaft I, a bottom support seat II, a bottom shaft II, a bottom back plate, a diagonal support plate I, a diagonal support plate II, a circular tube sleeve, a screw rod, a limiting wall and a vertical support plate II, wherein the middle part of the right end of the bottom support is fixedly connected with the bottom support, the upper side of the bottom support is fixedly connected with the bottom support seat I, the front end and the rear end of the left end of the bottom support are fixedly connected with the bottom support seat II, the two ends of the bottom shaft II are fixedly connected to the two bottom support seats II respectively, the bottom back plate is rotatably connected to the middle part of the bottom shaft II, an inner plate can be buckled on the bottom support, the diagonal support plate I, the diagonal support plate II and the circular tube sleeve can be hidden in a gap I, and the gap I can be folded into a plate shape, so that the mining roadway support can be transported, unfolded and the mining roadway support and the mining roadway can be quickly.
Description
Technical Field
The utility model relates to a supporting device, more specifically the coal mining tunnelling temporary support device for tunnel that says so.
Background
For example, a temporary supporting device for an underground roadway with publication number CN205135671U includes a suspension structure connected to a roof of the underground roadway, a front cantilever placed on the suspension structure, and a guard plate disposed between the roof and the front cantilever, wherein a support structure for pressing the guard plate against the roof is disposed on the front cantilever, and the support structure can drive the guard plate to move up and down along a direction in which the front cantilever points to the roof. This bearing structure provides the holding power to the roof, can prevent going on continuously that roof breakage, separation layer and roof fall, plays effectual strut effect to the roof. The supporting structure can drive the guard plate to move up and down, so that the upper position and the lower position of the guard plate are adjusted, the guard plate is always attached to and connected with the top plate, the guard plate can adapt to the condition that the surface of the top plate is uneven, and the guard plate and the top plate can be quickly and timely abutted under different working conditions; but the device is not portable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a coal mining tunnelling temporary support device for tunnel has portable effect.
The purpose of the utility model is realized through the following technical scheme:
a temporary supporting device for a coal mining tunneling roadway comprises a bottom support, a bottom support seat I, a lower shaft I, a bottom support seat II, a lower shaft II, a lower back plate, an inclined support plate I, an inclined support plate II, a circular tube sleeve, a screw rod, a limiting wall and a vertical support plate II, wherein the middle part of the right end of the bottom support is fixedly connected with the bottom support, the upper side of the bottom support is fixedly connected with the bottom support seat I, the front end and the rear end of the left end of the bottom support are fixedly connected with the lower support seats II, the two ends of the lower shaft II are respectively fixedly connected onto the two lower support seats II, the lower back plate is rotatably connected onto the middle part of the lower shaft II, the middle part of the lower back plate is provided with a notch I from top to bottom, the inclined support plate I, the inclined support plate II, the circular tube sleeve can be positioned in the notch I, the right end of the inclined support plate I is rotatably connected onto the middle part of the lower shaft I, the inclined support plate I is of a hollow structure, the inclined support plate II is slidably connected into the inclined support plate I, holes I which can be mutually overlapped, and the inclined support plate I are fixedly arranged between the inclined support plate II and the inclined support plate I through bolts, the bolt I is located in the hole I, the left end of the oblique support plate II is fixedly connected with the circular tube sleeve, the front end and the rear end of the circular tube sleeve are respectively in threaded connection with a screw rod, the two screw rods can be located in the circular tube sleeve simultaneously, the two screw rods can be respectively contacted with the front side and the rear side of the right end of the lower back plate, the upper end of the oblique support plate I is fixedly connected with a limiting wall, the vertical support plate II is inserted into the limiting wall, and the lower end face of the vertical support plate II is overlapped with the upper end face of the oblique support plate I.
The temporary supporting device for the coal mining excavation roadway further comprises a vertical supporting plate I, the vertical supporting plate I is of a hollow structure, a vertical supporting plate II can stretch into and stretch out of the vertical supporting plate I through sliding, and the vertical supporting plate I and the vertical supporting plate II are fixed through a bolt II.
The temporary supporting device for the coal mining tunneling roadway further comprises a top support, an upper support seat I, an upper shaft I, an upper back plate, an upper support seat II and an upper shaft II, wherein the front end and the rear end of the left end of the top support are fixedly connected with the upper support seats I, the two ends of the upper shaft I are fixedly connected to the two upper support seats I respectively, the upper end of the upper back plate is rotatably connected to the upper shaft I, a notch II is formed in the middle of the upper back plate from bottom to top, a vertical support plate I can be located in the notch II, the middle of the right end of the top support is fixedly connected with the upper support seat II, the upper shaft II is fixedly connected to the lower side of the upper support seat II, and the upper side of the vertical support plate I is rotatably connected to the upper shaft II; the lower end of the upper back plate can be contacted with the upper end of the lower back plate.
The temporary supporting device for the coal mining excavation roadway further comprises inner plates, the upper end of the lower back plate is of a hollow structure, the upper end of the lower back plate is in sliding connection with the two inner plates, the two inner plates are fixed with the lower back plate through bolts III, and the upper ends of the two inner plates can be in contact with the lower end of the upper back plate.
The lower extreme of going up the backplate is equipped with two draw-in grooves, and the upper end of two inner panels can the joint in two draw-in grooves.
The outer ends of the two screws are provided with hexagonal sinking grooves.
The utility model relates to a coal mining tunnelling temporary support device for tunnel's beneficial effect does:
the inner plate can be buckled on the bottom support, the inclined support plate I, the inclined support plate II and the circular tube sleeve can be hidden in the notch I, and then the inclined support plate I, the inclined support plate II and the circular tube sleeve can be folded into a plate shape, so that the support is convenient to transport, carry and expand for use, is quick to withdraw and use, and is suitable for temporary support coal mining and tunneling.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic overall structure diagram of a temporary support device for coal mining excavation roadway of the utility model;
FIG. 2 is a schematic view of a part of the structure of the present invention;
FIG. 3 is a schematic view of a part of the structure of the present invention;
fig. 4 is a schematic diagram of a part of the structure of the present invention;
fig. 5 is a schematic diagram of a part of the structure of the present invention.
In the figure: a bottom support 1; a lower supporting seat I101; a lower shaft I102; a lower support II 103; a lower shaft II 104; a lower back plate 105; an inner plate 106; an oblique support plate I2; a diagonal plate II 201; a cylindrical sleeve 202; a screw 203; a stopper wall 204; a vertical support plate I3; a vertical support plate II 301; a top stay 4; an upper supporting seat I401; an upper shaft I402; an upper support seat II 404; and an upper axis II 405.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in the figure, the temporary supporting device for the coal mining tunneling roadway comprises a bottom support 1, a lower support seat I101, a lower shaft I102, a lower support seat II 103, a lower shaft II 104, a lower back plate 105, an oblique support plate I2, an oblique support plate II 201, a circular tube sleeve 202, a screw rod 203, a limiting wall 204 and a vertical support plate II 301, wherein the middle part of the right end of the bottom support 1 is fixedly connected with the bottom support 1, the upper side of the bottom support 1 is fixedly connected with the lower support seat I101, the front end and the rear end of the left end of the bottom support 1 are fixedly connected with the lower support seat II 103, the two ends of the lower shaft II 104 are respectively and fixedly connected onto the two lower support seats II 103, the lower back plate 105 is rotatably connected onto the middle part of the lower shaft II 104, the middle part of the lower back plate 105 is provided with a notch I from top to bottom, the oblique support plate I2, the oblique support plate II 201 and the circular tube sleeve 202 can be positioned in the notch I, the right end of the oblique support plate I2 is rotatably connected onto the middle part of the lower shaft I102, the oblique support plate I2 is of a hollow structure, the oblique support plate II 201 is slidably connected into the oblique support plate II, the inclined support plate II 201 and the inclined support plate I2 are respectively provided with a hole I which can be overlapped mutually, the inclined support plate II 201 and the inclined support plate I2 are fixed through a bolt I, the bolt I is located in the hole I, the left end of the inclined support plate II 201 is fixedly connected with a circular tube sleeve 202, the front end and the rear end of the circular tube sleeve 202 are respectively in threaded connection with a screw rod 203, the two screw rods 203 can be simultaneously located in the circular tube sleeve 202, the two screw rods 203 can be respectively contacted with the front side and the rear side of the right end of the lower back plate 105, the upper end of the inclined support plate I2 is fixedly connected with a limiting wall 204, the vertical support plate II 301 is inserted into the limiting wall 204, and the lower end face of the vertical support plate II 301 is overlapped with the upper end face of the inclined support plate I2.
Lay bottom sprag 1 in the bottom surface in tunnel, will be the left end of backplate 105 down and the left end wall face contact in tunnel, make backplate 105 perpendicular down during the contact, utilize screw rod 203 to support the right-hand member face of backplate 105 down, support the upper end of perpendicular extension board II 301 at tunnel top wall, and then utilize perpendicular extension board II 301 to support the tunnel top, and perpendicular extension board II 301 can be with the tight top in oblique extension board I2 under on backplate 105, and then backplate 105 can support the lateral wall in tunnel down. The inner plate 106 can be buckled on the bottom support 1, the oblique support plate I2, the oblique support plate II 201 and the round pipe sleeve 202 can be hidden in the gap I, and further the oblique support plate I2, the oblique support plate II 201 and the round pipe sleeve 202 can be folded into a plate shape, so that the transportation, carrying and expansion of the oblique support plate I are convenient, the retraction and use of the oblique support plate II are fast, and the oblique support plate I is suitable for temporary. When the screw 203 abuts against the right end face of the lower back plate 105, the vertical support plate II 301 is inserted into the limiting wall 204 vertically.
The second embodiment is as follows:
as shown in the figure, the temporary supporting device for the coal mining excavation roadway further comprises a vertical support plate I3, the vertical support plate I3 is of a hollow structure, a vertical support plate II 301 can stretch into and stretch out of the vertical support plate I3 through sliding, and the vertical support plate I3 and the vertical support plate II 301 are fixed through bolts II.
Utilize perpendicular extension board I3 and roof contact, and then can realize leading to the different roof of height to support to different positions. Bolt II can be with perpendicular extension board I3 threaded connection, and then bolt II and perpendicular extension board II 301 produce the pretightning force. Or the bolt II penetrates through the vertical support plate II 301.
The third concrete implementation mode:
as shown in the figure, the temporary supporting device for the coal mining tunneling roadway further comprises a top support 4, upper support seats I401, an upper shaft I402, an upper back plate 403, upper support seats II 404 and an upper shaft II 405, wherein the front end and the rear end of the left end of the top support 4 are fixedly connected with the upper support seats I401, the two ends of the upper shaft I402 are fixedly connected to the two upper support seats I401 respectively, the upper end of the upper back plate 403 is rotatably connected to the upper shaft I402, a notch II is formed in the middle of the upper back plate 403 from bottom to top, a vertical support plate I3 can be located in the notch II, the middle of the right end of the top support 4 is fixedly connected with the upper support seats II 404, the upper shaft II 405 is fixedly connected to the lower side of the upper support seats II 404, and the upper side of the vertical support plate I3 is rotatably connected to the upper shaft II 405; the lower end of the upper back plate 403 can contact the upper end of the lower back plate 105.
Utilize 4 horizontal support roof walls on the shore, and then increase the support area, utilize last backplate 403 to also support tunnel lateral wall top perpendicularly, realize the surrounding type and support. When the top of the roadway descends, the pressure on the top support 4 is increased, the vertical support plate II 301 presses the inclined support plate I2 downwards to increase the force of the inclined support plate II 201 pushing the lower back plate 105, the lower back plate 105 supports and reinforces the side wall of the roadway, and then virtuous circle is realized. The vertical support plate II 301 can be hidden in the vertical support plate I3, the vertical support plate I3 can be hidden in the gap II, and then the part, the top support 4 and the upper back plate 403 which is adjusted to be horizontal can also form a plate-shaped structure, so that the whole device forms the plate-shaped structure, and the transportation, the assembly and the use can be facilitated.
The fourth concrete implementation mode:
as shown in the figure, the temporary supporting device for the coal mining excavation roadway further comprises an inner plate 106, the upper end of the lower back plate 105 is of a hollow structure, the upper end of the lower back plate 105 is connected with the two inner plates 106 in a sliding mode, the two inner plates 106 are fixed with the lower back plate 105 through bolts iii, and the upper ends of the two inner plates 106 can be in contact with the lower end of the upper back plate 403. The inner plate 106 accommodates roadway side walls of different heights for support.
The fifth concrete implementation mode:
as shown in the figure, the lower end of the upper back plate 403 is provided with two slots, and the upper ends of the two inner plates 106 can be clamped in the two slots. When the roadway side wall protrusion presses the lower back plate 105 or the upper back plate 403, the protection structure of the lower back plate 105 and the upper back plate 403 can be stably supported.
The sixth specific implementation mode:
as shown in the figure, the outer ends of the two screws 203 are provided with hexagonal sinking grooves. It is convenient to insert a tool into the hexagonal sinking groove to rotate the screw 203.
The utility model discloses a coal mining tunnelling temporary support device for tunnel, its theory of operation is:
lay bottom sprag 1 in the bottom surface in tunnel, will be the left end of backplate 105 down and the left end wall face contact in tunnel, make backplate 105 perpendicular down during the contact, utilize screw rod 203 to support the right-hand member face of backplate 105 down, support the upper end of perpendicular extension board II 301 at tunnel top wall, and then utilize perpendicular extension board II 301 to support the tunnel top, and perpendicular extension board II 301 can be with the tight top in oblique extension board I2 under on backplate 105, and then backplate 105 can support the lateral wall in tunnel down. The inner plate 106 can be buckled on the bottom support 1, the oblique support plate I2, the oblique support plate II 201 and the round pipe sleeve 202 can be hidden in the gap I, and further the oblique support plate I2, the oblique support plate II 201 and the round pipe sleeve 202 can be folded into a plate shape, so that the transportation, carrying and expansion of the oblique support plate I are convenient, the retraction and use of the oblique support plate II are fast, and the oblique support plate I is suitable for temporary. When the screw 203 abuts against the right end face of the lower back plate 105, the vertical support plate II 301 is inserted into the limiting wall 204 vertically. Utilize perpendicular extension board I3 and roof contact, and then can realize leading to the different roof of height to support to different positions. Bolt II can be with perpendicular extension board I3 threaded connection, and then bolt II and perpendicular extension board II 301 produce the pretightning force. Or the bolt II penetrates through the vertical support plate II 301. Utilize 4 horizontal support roof walls on the shore, and then increase the support area, utilize last backplate 403 to also support tunnel lateral wall top perpendicularly, realize the surrounding type and support. When the top of the roadway descends, the pressure on the top support 4 is increased, the vertical support plate II 301 presses the inclined support plate I2 downwards to increase the force of the inclined support plate II 201 pushing the lower back plate 105, the lower back plate 105 supports and reinforces the side wall of the roadway, and then virtuous circle is realized. The vertical support plate II 301 can be hidden in the vertical support plate I3, the vertical support plate I3 can be hidden in the gap II, and then the part, the top support 4 and the upper back plate 403 which is adjusted to be horizontal can also form a plate-shaped structure, so that the whole device forms the plate-shaped structure, and the transportation, the assembly and the use can be facilitated. The inner plate 106 accommodates roadway side walls of different heights for support. When the roadway side wall protrusion presses the lower back plate 105 or the upper back plate 403, the protection structure of the lower back plate 105 and the upper back plate 403 can be stably supported.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a coal mining tunnelling temporary support device for tunnel, includes end support (1), props seat I (101) down, lower shaft I (102), props seat II (103) down, lower shaft II (104), backplate (105) down, oblique extension board I (2), oblique extension board II (201), pipe cover (202), screw rod (203), spacing wall (204) and perpendicular extension board II (301), its characterized in that: the middle part of the right end of the bottom support (1) is fixedly connected with the bottom support (1), the upper side of the bottom support (1) is fixedly connected with a lower support seat I (101), the front end and the rear end of the left end of the bottom support (1) are fixedly connected with a lower support seat II (103), two ends of a lower shaft II (104) are respectively fixedly connected onto the two lower support seats II (103), a lower back plate (105) is rotatably connected onto the middle part of the lower shaft II (104), the middle part of the lower back plate (105) is provided with a notch I from top to bottom, an inclined support plate I (2), an inclined support plate II (201) and a circular pipe sleeve (202) can be positioned in the notch I, the right end of the inclined support plate I (2) is rotatably connected onto the middle part of the lower shaft I (102), the inclined support plate I (2) is of a hollow structure, the inclined support plate II (201) is slidably connected into the inclined support plate I (2), holes I capable of mutually coinciding are respectively arranged on the inclined support plate II (201) and the inclined support plate I (2), and the inclined support plate II (201) and the inclined support plate I (2) are fixedly connected through bolts I, bolt I is located hole I, the left end of oblique extension board II (201) connects circle pipe box (202) admittedly, screw rod (203) of equal threaded connection in both ends around circle pipe box (202), two screw rods (203) can be located circle pipe box (202) simultaneously, two screw rods (203) can contact with the front and back both sides of back board (105) right-hand member down respectively, the spacing wall of upper end rigid coupling (204) of oblique extension board I (2), perpendicular extension board II (301) are pegged graft in spacing wall (204), the lower terminal surface of perpendicular extension board II (301) and the up end coincidence of oblique extension board I (2).
2. The temporary support device for a coal mining excavation roadway according to claim 1, characterized in that: the temporary supporting device for the coal mining excavation roadway further comprises a vertical support plate I (3), the vertical support plate I (3) is of a hollow structure, a vertical support plate II (301) can stretch into and stretch out of the vertical support plate I (3) through sliding, and the vertical support plate I (3) and the vertical support plate II (301) are fixed through a bolt II.
3. The temporary support device for a coal mining excavation roadway according to claim 2, characterized in that: the temporary supporting device for the coal mining tunneling roadway further comprises a top support (4), upper support seats I (401), an upper shaft I (402), an upper back plate (403), upper support seats II (404) and an upper shaft II (405), wherein the front end and the rear end of the left end of the top support (4) are fixedly connected with the upper support seats I (401), the two ends of the upper shaft I (402) are fixedly connected to the two upper support seats I (401) respectively, the upper end of the upper back plate (403) is rotatably connected to the upper shaft I (402), a notch II is formed in the middle of the upper back plate (403) from bottom to top, a vertical support plate I (3) can be located in the notch II, the middle of the right end of the top support (4) is fixedly connected with the upper support seats II (404), the upper shaft II (405) is fixedly connected to the lower side of the upper support seats II (404), and the upper side of the vertical support plate I (3) is rotatably connected to the upper shaft II (405); the lower end of the upper back plate (403) can be in contact with the upper end of the lower back plate (105).
4. The temporary support device for a coal mining excavation roadway according to claim 3, characterized in that: the temporary supporting device for the coal mining tunneling roadway further comprises an inner plate (106), the upper end of the lower back plate (105) is of a hollow structure, the upper end of the lower back plate (105) is in sliding connection with the two inner plates (106), the two inner plates (106) are fixed with the lower back plate (105) through bolts III, and the upper ends of the two inner plates (106) can be in contact with the lower end of the upper back plate (403).
5. The temporary support device for a coal mining excavation roadway according to claim 4, characterized in that: the lower extreme of going up backplate (403) is equipped with two draw-in grooves, and the upper end of two inner panels (106) can the joint in two draw-in grooves.
6. The temporary support device for a coal mining excavation roadway according to any one of claims 1 to 5, characterized in that: the outer ends of the two screws (203) are provided with hexagonal sinking grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023002041.4U CN213743466U (en) | 2020-12-14 | 2020-12-14 | Temporary supporting device for coal mining excavation roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023002041.4U CN213743466U (en) | 2020-12-14 | 2020-12-14 | Temporary supporting device for coal mining excavation roadway |
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| Publication Number | Publication Date |
|---|---|
| CN213743466U true CN213743466U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023002041.4U Active CN213743466U (en) | 2020-12-14 | 2020-12-14 | Temporary supporting device for coal mining excavation roadway |
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| CN (1) | CN213743466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233346A (en) * | 2021-12-10 | 2022-03-25 | 华北科技学院(中国煤矿安全技术培训中心) | Temporary support device for roadway excavation |
-
2020
- 2020-12-14 CN CN202023002041.4U patent/CN213743466U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233346A (en) * | 2021-12-10 | 2022-03-25 | 华北科技学院(中国煤矿安全技术培训中心) | Temporary support device for roadway excavation |
| CN114233346B (en) * | 2021-12-10 | 2023-11-24 | 华北科技学院(中国煤矿安全技术培训中心) | Temporary support device for tunnel tunneling |
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