CN110645029A - Supporting equipment for tunnel construction - Google Patents
Supporting equipment for tunnel construction Download PDFInfo
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- CN110645029A CN110645029A CN201910942324.XA CN201910942324A CN110645029A CN 110645029 A CN110645029 A CN 110645029A CN 201910942324 A CN201910942324 A CN 201910942324A CN 110645029 A CN110645029 A CN 110645029A
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- 238000010276 construction Methods 0.000 title claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 14
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/52—Extensible units located above or below standard props
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a supporting device for tunnel construction. The support equipment for tunnel construction includes: the upper surface of the base is fixedly connected with a hanging ring; the supporting rod mechanism is connected with the base; the support guard plate expanding mechanism is detachably connected with the support rod mechanism through a bolt locking mechanism; the supporting plate mechanism is connected with the supporting plate expanding mechanism and comprises arc-shaped supporting and protecting plates, fixed pulleys, connecting rods, fixed blocks, rotating shafts and connecting blocks, the fixed blocks are rotatably connected with the two symmetrically-arranged arc-shaped supporting and protecting plates through the rotating shafts, the fixed blocks and the fixed pulleys are fixedly connected to the inner surfaces of the arc-shaped supporting and protecting plates, and the connecting rods are rotatably connected with the fixed blocks; the elastic hook mechanism is connected with the base. The supporting equipment for tunnel construction provided by the invention has the advantages of low installation difficulty, convenience in maintenance and low maintenance cost.
Description
Technical Field
The invention relates to the field of civil engineering, in particular to a supporting device for tunnel construction.
Background
A tunnel is a building constructed underground or underwater or in a mountain, with railways or roads for motor vehicles to pass through. The tunnel can be divided into three categories of mountain tunnels, underwater tunnels and urban tunnels according to the positions of the tunnels. A tunnel traversing from a mountain or under a hill to shorten the distance and avoid a large slope is called a mountain tunnel; underwater tunnels passing under a river or sea floor to cross a river or channel; urban tunnels are used to cross underground cities to meet the needs of railways to pass through large cities.
In tunnel construction, tunnel support construction is one of the important component links, and is a powerful guarantee for ensuring tunnel construction safety.
Referring to the chinese patent publication No. CN 109236332 a, a supporting device for tunnel construction is disclosed, when in use, the adjusting rod can be adjusted in the supporting rod in a telescopic way, thereby being convenient to adapt to the height of the tunnel, thereby being capable of adjusting according to the specific height of the tunnel, avoiding the situation that the height is not enough to support or the height is too high to install smoothly, and the third adjusting ring can drive the supporting rod to unfold, so that the supporting rod can conveniently support the tunnel, and meanwhile, the third adjusting ring can conveniently drive the supporting rod to fold and store, thereby being beneficial to the transfer use of the supporting device, but when in use, the supporting rod and the mounting block are difficult to disassemble, thereby be unfavorable for the change of bracing pole, the bracing pole adopts overall structure, when the part in the bracing pole damages, needs carry out whole change to increase the maintenance cost.
Therefore, it is necessary to provide a new supporting apparatus for tunnel construction to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides the supporting equipment for tunnel construction, which is low in installation difficulty, convenient to maintain and low in maintenance cost.
The present invention provides a support apparatus for tunnel construction, comprising: the upper surface of the base is fixedly connected with a hanging ring; the supporting rod mechanism is connected with the base; the support guard plate expanding mechanism is detachably connected with the support rod mechanism through a bolt locking mechanism; the supporting plate mechanism is connected with the supporting plate expanding mechanism and comprises an arc-shaped supporting plate, a fixed block, a connecting rod, arc-shaped supporting plates, a pressing plate, a strip-shaped through groove, a convex block, a fixed seat, a locking screw, a baffle, first springs, a vertical plate, a T-shaped sliding groove and side plates, the fixed block is rotatably connected with the two symmetrically-arranged arc-shaped supporting plates through a rotating shaft, the upper surfaces of the two arc-shaped supporting plates, which are close to one ends of the fixed block, are slidably connected with the baffle, the surfaces of the baffle, which are opposite to the fixed block, are connected with the vertical plate through the first springs, and the; the front end and the rear end of the arc-shaped supporting plate are fixedly connected with side plates, the opposite surfaces of the two side plates are provided with T-shaped chutes with one open ends, a plurality of mutually independent arc-shaped supporting plates are arranged between the two side plates, T-shaped sliders are integrally formed on the front side and the rear side of each arc-shaped supporting plate, the T-shaped sliders are slidably connected into the corresponding T-shaped chutes, the arc-shaped supporting plate is provided with strip-shaped through grooves which are communicated up and down, the strip-shaped through grooves are far away from the fixed block, pressing plates used for pressing the arc-shaped supporting plates are arranged in the strip-shaped through grooves, one end side surfaces of the pressing plates are rotatably connected with locking screws through lugs, the locking screws penetrate through the fixed seat; the elastic hook mechanism is connected with the base.
Preferably, bracing piece mechanism includes connecting seat, adjustment disk, first internal thread sleeve, first threaded rod and cross slot, the first threaded rod of the vertical setting of last fixed surface of base is connected with, and first threaded rod threaded connection is in first internal thread sleeve, and first internal thread sleeve's upper surface rotates and is connected with the adjustment disk, and the center of rotation fixedly connected with connecting seat of adjustment disk upper surface, the cross slot has been seted up to the upper surface of connecting seat.
Preferably, the supporting rod mechanism further comprises a second spring, and the inner bottom wall of the cross-shaped slot is connected with a plurality of second springs.
Preferably, the support rod mechanism further comprises a columnar protrusion, and the outer surface of the adjusting disc is integrally formed with two symmetrically arranged columnar protrusions.
Preferably, the bolt locking mechanism comprises a mounting ring, a supporting plate and a bolt, the mounting ring is fixedly connected to the outer surface of the connecting seat, the supporting plate is mounted on the lower surface of the mounting ring, a threaded through hole is formed in the supporting plate, and the bolt is connected to the threaded through hole in an internal thread mode.
Preferably, the supporting and protecting plate expanding mechanism comprises a limiting plate, a cross-shaped inserting rod, a clamping groove, a straight rod, a sliding sleeve, a connecting plate, a second threaded rod and a second internal threaded sleeve, wherein the cross-shaped inserting rod is inserted into the cross-shaped inserting groove, and a bolt is screwed into the clamping groove through screwing the bolt, so that the cross-shaped inserting rod is locked in the cross-shaped inserting groove; the upper surface of the cross-shaped inserting rod is fixedly connected with a vertically arranged straight rod, the upper end surface of the straight rod is fixedly connected with the fixed block, and the outer surface of the straight rod is fixedly connected with a limiting plate; the outer surface of the straight rod is sleeved with a sliding sleeve, the sliding sleeve is connected with the straight rod in a sliding mode through a limiting plate, and one ends, far away from the corresponding arc-shaped supporting plates, of the two connecting rods are rotatably connected with the sliding sleeve; the lower fixed surface of sliding sleeve is connected with the connecting plate, and the lower surface of connecting plate rotates and is connected with the second threaded rod, and second threaded rod threaded connection is in second internal thread sleeve, and second internal thread sleeve and connecting seat fixed connection.
Preferably, the elastic hook mechanism comprises a hook, a fixed plate, a sliding rod, an end plate and a third spring, the upper surface of the base is connected with the end plate in a sliding manner, the end plate and the back surface of the first internal thread sleeve are fixedly connected with the sliding rod, the sliding rod penetrates through the fixed plate and is connected with the fixed plate in a sliding manner, and the penetrating end of the sliding rod is connected with the hook; the fixed plate is fixedly connected with the base, and the fixed plate is connected with the end plate through a third spring.
Preferably, the corner of the lower surface of the base is provided with a locking universal wheel.
Preferably, the left end and the right end of the arc-shaped supporting and protecting plates are fixedly connected with rubber pads.
Compared with the prior art, the supporting equipment for tunnel construction provided by the invention has the following beneficial effects:
the invention provides a supporting device for tunnel construction, which is used for:
1. the locking screw is rotated clockwise, so that the pressing plate moves towards the fixing block, the plurality of arc-shaped supporting plates are pressed tightly through the pressing plate and the baffle plate, and the first spring is compressed at the moment, so that the arc-shaped supporting plates can be quickly connected with the arc-shaped supporting plates, the complexity of device installation is reduced, and the installation period is shortened;
2. the arc-shaped supporting and protecting plates can be separated from the arc-shaped supporting plate by rotating the locking screw anticlockwise, so that the arc-shaped supporting and protecting plates can be conveniently replaced, the maintenance difficulty of the device is reduced, and the number of the arc-shaped supporting and protecting plates is multiple, so that only one or more damaged arc-shaped supporting and protecting plates need to be replaced when the arc-shaped supporting and protecting plates are replaced, other arc-shaped supporting and protecting plates are still used, the maintenance cost is reduced, and the waste of resources is reduced;
3. when the arc-shaped supporting and protecting plate expands with heat and contracts with cold, the first spring deforms, so that the arc-shaped supporting and protecting plate can be subjected to fine adjustment of the position, the probability of deformation of the arc-shaped supporting and protecting plate due to expansion with heat and contraction with cold is reduced, and the supporting stability of the arc-shaped supporting and protecting plate is improved;
4. when the device is not used, the support plate expanding mechanism can be detached and separated from the support rod mechanism, so that the space occupied by the device is reduced, and the device is convenient to carry and transport.
Drawings
Fig. 1 is a schematic structural view of a supporting apparatus for tunnel construction according to a preferred embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is a schematic view of the construction of the arched support plate of the retaining plate mechanism of FIG. 1;
FIG. 5 is a schematic structural view of the bracing plate expanding mechanism shown in FIG. 1;
FIG. 6 is a schematic structural view of the support bar mechanism shown in FIG. 1;
FIG. 7 is an enlarged view of a portion of FIG. 1 at C;
fig. 8 is a schematic structural view of the elastic hook mechanism shown in fig. 1.
Reference numbers in the figures: 1. a supporting plate mechanism; 11. a rubber pad; 12. an arc-shaped supporting and protecting plate; 13. a fixed block; 14. a connecting rod; 15. an arc-shaped support plate; 16. pressing a plate; 17. a strip-shaped through groove; 18. a bump; 19. a fixed seat; 19a, a locking screw; 19b, a baffle plate; 19c, a first spring; 19d, a vertical plate; 19e, a T-shaped chute; 19f, side plates; 2. a support guard plate expanding mechanism; 21. a limiting plate; 22. a cross-shaped inserted link; 23. a card slot; 24. a straight rod; 25. a sliding sleeve; 26. a connecting plate; 27. a second threaded rod; 28. a second internally threaded sleeve; 3. a support rod mechanism; 31. a connecting seat; 32. an adjusting disk; 33. a first internally threaded sleeve; 34. a first threaded rod; 35. a cross-shaped slot; 36. a second spring; 37. a columnar bulge; 4. hanging a ring; 5. an elastic hook mechanism; 51. hooking; 52. a fixing plate; 53. a slide bar; 54. an end plate; 55. a third spring; 6. a base; 7. locking the universal wheel; 8. a bolt locking mechanism; 81. a mounting ring; 82. a support plate; 83. and (4) bolts.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8 in combination, wherein fig. 1 is a schematic structural view of a supporting apparatus for tunnel construction according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of a portion of FIG. 1 at A; FIG. 3 is an enlarged view of a portion of FIG. 1 at B; FIG. 4 is a schematic view of the construction of the arched support plate of the retaining plate mechanism of FIG. 1; FIG. 5 is a schematic structural view of the bracing plate expanding mechanism shown in FIG. 1; FIG. 6 is a schematic structural view of the support bar mechanism shown in FIG. 1; FIG. 7 is an enlarged view of a portion of FIG. 1 at C; fig. 8 is a schematic structural view of the elastic hook mechanism shown in fig. 1. Support equipment for tunnel construction includes: the upper surface of the base 6 is fixedly connected with a hanging ring 4; the supporting rod mechanism 3 is connected with the base 6; the support guard plate expanding mechanism 2 is detachably connected with the support rod mechanism 3 through a bolt locking mechanism 8; the supporting plate mechanism 1 is connected with the supporting plate expanding mechanism 2; the elastic hook mechanism 5 is connected with the base 6.
In a specific implementation process, as shown in fig. 1, 2, 3 and 4, the supporting plate mechanism 1 includes an arc-shaped supporting plate 12, a fixed block 13, a connecting rod 14, an arc-shaped supporting plate 15, a pressing plate 16, a strip-shaped through groove 17, a bump 18, a fixed seat 19, a locking screw 19a, a baffle 19b, a first spring 19c, a vertical plate 19d, a T-shaped chute 19e and a side plate 19f, the fixed block 13 is rotatably connected with two symmetrically-arranged arc-shaped supporting plates 15 through a rotating shaft, the upper surfaces of the two ends of the two arc-shaped supporting plates 15 close to the fixed block 13 are slidably connected with the baffle 19b, the surface of the baffle 19b opposite to the fixed block 13 is connected with the vertical plate 19d through a plurality of first springs 19c, and the vertical; equal fixedly connected with curb plate 19f in both ends around arc backup pad 15, one end open-ended T type spout 19e has all been seted up to the face that two curb plates 19f are relative, and is equipped with a plurality of mutually independent arcs between two curb plates 19f and prop up backplate 12, both sides homogeneous moulding has T type slider around arc fender 12, and T type slider sliding connection is in T type spout 19e that corresponds, the logical groove 17 of bar that link up about arc backup pad 15 has been seted up, and the setting of fixed block 13 is kept away from to the logical groove 17 of bar, and the logical inslot 17 of bar is equipped with the clamp plate 16 that is used for compressing tightly a plurality of arcs and props up backplate 12, and the one end side of clamp plate 16 rotates through lug 18 and is connected with locking screw 19a, and locking screw 19a runs through fixing base 19 and 19 threaded connection with fixing base, and fixing base.
Need to explain: the T-shaped sliding block is matched with the T-shaped sliding groove 19e to limit the arc-shaped supporting plates 12, the pressure plate 16 moves towards the fixed block 13 by clockwise rotating the locking screw 19a, the plurality of arc-shaped supporting plates 12 are pressed tightly by the pressure plate 16 and the baffle plate 19b, and the first spring 19c is compressed, so that the arc-shaped supporting plates 12 can be quickly connected with the arc-shaped supporting plate 15, the complexity of device installation is reduced, and the installation period is shortened; the height of the arc-shaped supporting plate 12 is greater than that of the side plate 19f, so that the arc-shaped supporting plate 12 can contact and support the tunnel wall.
Referring to fig. 1 and 5, the support plate expanding mechanism 2 includes a limiting plate 21, a cross-shaped insert rod 22, a clamping groove 23, a straight rod 24, a sliding sleeve 25, a connecting plate 26, a second threaded rod 27 and a second internal threaded sleeve 28, the cross-shaped insert rod 22 is inserted into the cross-shaped slot 35, and the bolt 83 is screwed into the clamping groove 23 by screwing the bolt 83, so that the cross-shaped insert rod 22 is locked in the cross-shaped slot 35; the upper surface of the cross-shaped insert rod 22 is fixedly connected with a vertically arranged straight rod 24, the upper end surface of the straight rod 24 is fixedly connected with the fixed block 13, and the outer surface of the straight rod 24 is fixedly connected with a limiting plate 21; the outer surface of the straight rod 24 is sleeved with a sliding sleeve 25, the sliding sleeve 25 is connected with the straight rod 24 in a sliding manner through a limiting plate 21, and one ends of the two connecting rods 14 far away from the corresponding arc-shaped supporting plates 15 are rotatably connected with the sliding sleeve 25; the lower surface of sliding sleeve 25 is fixedly connected with connecting plate 26, and the lower surface of connecting plate 26 rotates and is connected with second threaded rod 27, and second threaded rod 27 threaded connection is in second internal thread sleeve 28, and second internal thread sleeve 28 and connecting seat 31 fixed connection.
Need to explain: the device is when using, remove the device to the position of strutting in tunnel, through clockwise rotation threaded rod 27, make threaded rod 27 stretch out from interior screw sleeve 28, promote the sliding sleeve 25 and move along straight-bar 24 in the effect of connecting plate 26, under the effect of connecting rod 13, promote two arc backup pads 15 and strut, can strut the tunnel wall through a plurality of arc backup pads 12, when the device does not use, two arc backup pads 15 shrink, thereby reduce the space that the device occupy, be favorable to the transportation of device.
Need to explain: when device arc backplate 12 needs to be changed, and through anticlockwise rotation locking screw 19a, make clamp plate 16 deviate from fixed block 13 motion, make clamp plate 16 no longer compress tightly arc backplate 12, and rotate clamp plate 16, make clamp plate 16 enter into the bar leads to the inslot 17 completely, prop backplate 12 through the pulling arc this moment, make arc backplate 12 can separate with arc backup pad 15, thereby make the change to arc backplate 12 convenient, reduce the maintenance degree of difficulty of device, and the quantity of arc backplate 12 is a plurality of, thereby when changing, only need to change the one or more arc backplate 12 of damage, other arc backplate 12 still uses, reduce the cost of maintaining, reduce the waste of resource.
It is also stated that: when a plurality of arc backplate 12 are connected with arc backup pad 15, under the effect of first spring 19c elastic recovery power, increase the effort between arc backplate 12 and the clamp plate 16, make the installation of arc backplate 12 more firm, and when arc backplate 12 is carrying out expend with heat and contract with cold, first spring 19c takes place deformation, make arc backplate 12 can carry out the fine setting of position, thereby reduce arc backplate 12 because expend with heat and contract with cold the probability that takes place to warp, improve the stability that arc backplate 12 was strutted.
It is also stated that: reference CN 109236332 a discloses a supporting device for tunnel construction, when the supporting rod is used, when the supporting rod is damaged, the connecting part of the supporting rod and the mounting block needs to be disassembled, the supporting rod and the mounting block rotate through a pin shaft, at present, in order to ensure the stability of the installation of the pin shaft, the pin shaft needs to be welded with the supporting rod or the mounting block, so that the difficulty in disassembling the supporting rod and the mounting block is large, thereby being not beneficial to the replacement of the support rod, and because the damp part and the impacted part are easy to be damaged when the support rod is used, the service life of other places is longer than that of the above-mentioned portion, and the supporting bar adopts integral structure, when the portion of supporting bar is damaged, needs to be replaced integrally, thereby increasing the maintenance cost, and when the supporting rod expands with heat and contracts with cold, because the position of the supporting rod can not be adjusted, the supporting rod is easy to deform, and the stability of supporting is influenced.
Referring to fig. 1 and 6, the support rod mechanism 3 includes a connecting seat 31, an adjusting disk 32, a first internal thread sleeve 33, a first threaded rod 34 and a cross slot 35, the first threaded rod 34 of the vertical setting of the upper surface fixed connection of the base 6, the threaded connection of the first threaded rod 34 is in the first internal thread sleeve 33, the upper surface of the first internal thread sleeve 33 rotates and is connected with the adjusting disk 32, the rotation center fixed connection of the upper surface of the adjusting disk 32 is connected with the connecting seat 31, and the cross slot 35 is opened on the upper surface of the connecting seat 31.
Need to explain: make first internal thread sleeve 33 along first threaded rod 34 at vertical direction motion through adjusting disk 32 to drive supporting plate mechanism 1 and supporting plate and expand and prop mechanism 2 at vertical direction motion, make supporting plate mechanism 1's use highly can adjust according to the concrete height in tunnel, avoid appearing highly unable support inadequately or highly too high the condition that can't carry out smooth installation, improve device's application scope.
Referring to fig. 7, the bolt locking mechanism 8 includes a mounting ring 81, a supporting plate 82 and a bolt 83, the mounting ring 81 is fixedly connected to the outer surface of the connecting seat 31, the supporting plate 82 is mounted on the lower surface of the mounting ring 81, the supporting plate 82 is provided with a threaded through hole, and the bolt 83 is connected to the threaded through hole in a threaded manner.
Need to explain: when the supporting plate expands and props mechanism 2 and bracing piece mechanism 3 and connect, through the bolt 83 of screwing, make bolt 83 screw in draw-in groove 23, thereby cross inserted bar 22 locks in cross slot 35, thereby make the supporting plate expand the convenient and fast's of mechanism 2 and bracing piece mechanism 3 connection, reduce the installation degree of difficulty of device, and through loosening bolt 83 soon, make bolt 83 follow roll-off in draw-in groove 23, thereby cross inserted bar 22 no longer locks in cross slot 35, make cross inserted bar 22 take out alone, thereby supporting plate expands and props mechanism 2 and can separate with bracing piece mechanism 3, thereby the installation and the dismantlement degree of difficulty of whole device are lower, the complexity of installation has further been reduced, shorten the installation cycle, thereby can be timely install the protection to the tunnel.
It is also stated that: when the device is not used, the supporting plate expanding mechanism 2 can be detached and separated from the supporting rod mechanism 3, so that the space occupied by the device is reduced, and the device is convenient to carry and transport.
It is also stated that: in the comparison file CN 109236332A, adjust the pole and can move along the bracing piece, but adjust the pole and can not separate with the bracing piece for the space that the device took when transporting is great, thereby is unfavorable for the transportation of device.
Referring to fig. 6, the supporting rod mechanism 3 further includes a second spring 36, and a plurality of second springs 36 are connected to an inner bottom wall of the cross-shaped insertion groove 35.
Need to explain: when the cross-shaped insert rod 22 is inserted into the cross-shaped slot 35, the second spring 36 is compressed, and the bolt 83 is acted upwards by the elastic restoring force of the second spring 36, so that the installation of the bolt 83 is more stable.
Referring to fig. 6, the supporting rod mechanism 3 further includes a cylindrical protrusion 37, and two symmetrically arranged cylindrical protrusions 37 are integrally formed on the outer surface of the adjusting ring 32
Need to explain: the columnar protrusions 37 facilitate operators to rotate the adjusting disc 32 through the sleeve, and the using difficulty of the device is reduced.
Referring to fig. 1 and 8, the elastic hook mechanism 5 includes a hook 51, a fixed plate 52, a sliding rod 53, an end plate 54 and a third spring 55, the end plate 54 is slidably connected to the upper surface of the base 6, the sliding rod 53 is fixedly connected to the back surface of the end plate 54 and the first threaded sleeve 33, the sliding rod 53 penetrates through the fixed plate 52 and is slidably connected to the fixed plate 52, and the penetrating end of the sliding rod 53 is connected to the hook 51; the fixed plate 52 is fixedly connected to the base 6, and the fixed plate 52 is connected to the end plate 54 by a third spring 55.
Need to explain: by pulling the hook 51, the hook 51 is hung on the hanging ring 4 on the other supporting device, so that the two supporting devices can be quickly connected, and the carrying difficulty of the device is reduced.
Referring to fig. 1, locking universal wheels 7 are mounted at corners of the lower surface of the base 6.
Need to explain: the locking universal wheels 7 facilitate the movement and the transfer of the whole device.
The left end and the right end of the arc-shaped supporting plates 12 are fixedly connected with rubber pads 11.
Need to explain: rubber pad 11 has elasticity, when arc backplate 12 expend with heat and contract with cold for arc backplate 12 can carry out the adjustment of position, thereby further reduces arc backplate 12 and takes place the probability of warping because expend with heat and contract with cold.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a tunnel construction is with strutting equipment which characterized in that includes:
the upper surface of the base (6) is fixedly connected with a hanging ring (4);
the supporting rod mechanism (3), the supporting rod mechanism (3) is connected with the base (6);
the support guard plate expanding mechanism (2), the support guard plate expanding mechanism (2) is detachably connected with the support rod mechanism (3) through a bolt locking mechanism (8);
the supporting plate mechanism (1), the supporting plate mechanism (1) is connected with the supporting plate expanding mechanism (2), the supporting plate mechanism (1) comprises an arc-shaped supporting plate (12), a fixed block (13), a connecting rod (14), arc-shaped supporting plates (15), a pressing plate (16), a strip-shaped through groove (17), a convex block (18), a fixed seat (19), a locking screw (19 a), a baffle plate (19 b), a first spring (19 c), a vertical plate (19 d), a T-shaped sliding groove (19 e) and a side plate (19 f), the fixed block (13) is rotatably connected with two symmetrically-arranged arc-shaped supporting plates (15) through a rotating shaft, the upper surface of one end, close to the fixed block (13), of each of the two arc-shaped supporting plates (15) is connected with a baffle plate (19 b) in a sliding mode, the surface, opposite to the fixed block (13), of each baffle plate (19 b), the vertical plate (19 d) is fixedly connected with the arc-shaped supporting plate (15); the front end and the rear end of the arc-shaped supporting plate (15) are fixedly connected with side plates (19 f), the opposite surfaces of the two side plates (19 f) are provided with T-shaped sliding grooves (19 e) with one open ends, a plurality of mutually independent arc-shaped supporting plates (12) are arranged between the two side plates (19 f), the front side and the rear side of each arc-shaped supporting plate (12) are integrally formed with T-shaped sliding blocks, the T-shaped sliding blocks are connected in the corresponding T-shaped sliding grooves (19 e) in a sliding manner, the arc-shaped supporting plate (15) is provided with strip-shaped through grooves (17) which are communicated up and down, the strip-shaped through grooves (17) are far away from the fixed block (13), pressing plates (16) used for pressing the arc-shaped supporting plates (12) are arranged in the strip-shaped through grooves (17), one end side surfaces of the pressing plates (16) are rotatably connected with locking screws (19 a) through convex blocks (18, the fixed seat (19) is fixedly connected with the lower surface of the arc-shaped supporting plate (15);
the elastic hook mechanism (5), the elastic hook mechanism (5) is connected with the base (6).
2. The supporting equipment for tunnel construction according to claim 1, wherein the supporting rod mechanism (3) comprises a connecting seat (31), an adjusting disc (32), a first internal thread sleeve (33), a first threaded rod (34) and a cross slot (35), the first threaded rod (34) which is vertically arranged is fixedly connected to the upper surface of the base (6), the first threaded rod (34) is in threaded connection in the first internal thread sleeve (33), the adjusting disc (32) is connected to the upper surface of the first internal thread sleeve (33) in a rotating mode, the connecting seat (31) is fixedly connected to the rotating center of the upper surface of the adjusting disc (32), and the cross slot (35) is formed in the upper surface of the connecting seat (31).
3. The support apparatus for tunnel construction according to claim 2, wherein the support rod mechanism (3) further comprises a second spring (36), and a plurality of second springs (36) are connected to an inner bottom wall of the cross-shaped insertion groove (35).
4. The support device for tunnel construction according to claim 2, wherein the support rod mechanism (3) further comprises a columnar protrusion (37), and two symmetrically arranged columnar protrusions (37) are integrally formed on the outer surface of the adjusting disc (32).
5. The support device for tunnel construction according to claim 2, wherein the bolt locking mechanism (8) comprises a mounting ring (81), a support plate (82) and a bolt (83), the mounting ring (81) is fixedly connected to the outer surface of the connecting seat (31), the support plate (82) is mounted on the lower surface of the mounting ring (81), a threaded through hole is formed in the support plate (82), and the bolt (83) is connected to the threaded through hole in a threaded manner.
6. The supporting equipment for tunnel construction according to claim 1, wherein the supporting plate expanding mechanism (2) comprises a limiting plate (21), a cross-shaped insert rod (22), a clamping groove (23), a straight rod (24), a sliding sleeve (25), a connecting plate (26), a second threaded rod (27) and a second internal threaded sleeve (28), the cross-shaped insert rod (22) is inserted into the cross-shaped slot (35), and the bolt (83) is screwed into the clamping groove (23) by screwing the bolt (83), so that the cross-shaped insert rod (22) is locked in the cross-shaped slot (35); the upper surface of the cross-shaped insert rod (22) is fixedly connected with a vertically arranged straight rod (24), the upper end surface of the straight rod (24) is fixedly connected with the fixed block (13), and the outer surface of the straight rod (24) is fixedly connected with a limiting plate (21); the outer surface of the straight rod (24) is sleeved with a sliding sleeve (25), the sliding sleeve (25) is in sliding connection with the straight rod (24) through a limiting plate (21), and one ends, far away from the corresponding arc-shaped supporting plates (15), of the two connecting rods (14) are rotatably connected with the sliding sleeve (25); the lower surface fixed connection of sliding sleeve (25) has connecting plate (26), and the lower surface of connecting plate (26) is rotated and is connected with second threaded rod (27), and second threaded rod (27) threaded connection is in second internal thread sleeve (28), and second internal thread sleeve (28) and connecting seat (31) fixed connection.
7. The support equipment for tunnel construction according to claim 1, wherein the elastic hook mechanism (5) comprises a hook (51), a fixed plate (52), a sliding rod (53), an end plate (54) and a third spring (55), the end plate (54) is connected to the upper surface of the base (6) in a sliding manner, the sliding rod (53) is fixedly connected to the back surface of the end plate (54) and the first internal thread sleeve (33), the sliding rod (53) penetrates through the fixed plate (52) and is connected with the fixed plate (52) in a sliding manner, and the penetrating end of the sliding rod (53) is connected with the hook (51); the fixing plate (52) is fixedly connected with the base (6), and the fixing plate (52) is connected with the end plate (54) through a third spring (55).
8. The support apparatus for tunnel construction according to claim 1, wherein locking universal wheels (7) are installed at corners of a lower surface of the base (6).
9. The support apparatus for tunnel construction according to claim 1, wherein rubber pads (11) are fixedly connected to both left and right ends of the plurality of arc-shaped support plates (12).
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| CN111828004A (en) * | 2020-07-23 | 2020-10-27 | 陈泽伟 | Method for coal mine strip filling mining |
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| CN113187525B (en) * | 2021-05-24 | 2023-04-18 | 重庆交通职业学院 | Underground excavation construction device and method for extra-large-section subway station |
| CN113446032A (en) * | 2021-08-23 | 2021-09-28 | 中铁十二局集团有限公司 | Ultra-shallow long pipe shed tunnel supporting structure for underground crossing highway |
| CN113446032B (en) * | 2021-08-23 | 2023-04-18 | 中铁十二局集团有限公司 | Super shallow long pipe shed tunnel supporting construction of wearing highway under burying |
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