CN109973109B - Supporting platform for tunnel construction and using method thereof - Google Patents
Supporting platform for tunnel construction and using method thereof Download PDFInfo
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- CN109973109B CN109973109B CN201910313633.0A CN201910313633A CN109973109B CN 109973109 B CN109973109 B CN 109973109B CN 201910313633 A CN201910313633 A CN 201910313633A CN 109973109 B CN109973109 B CN 109973109B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/122—Working or loading platforms
Abstract
The invention discloses a supporting platform for tunnel construction and a using method thereof, and solves the technical problems that a construction speed is greatly reduced by a ceaseless movable construction frame in a tunnel, a common supporting frame is not easy to fix and is easy to turn over, and certain potential safety hazards exist; the supporting platform is characterized in that scissor-type telescopic frames are respectively arranged on two sides of the supporting platform, and the lower portions of the scissor-type telescopic frames are connected with the left supporting device or the right supporting device. The invention does not need to move the supporting platform back and forth and left and right, and walks along the track, and the supporting platform can meet most decoration requirements of the top in the tunnel and improve the construction efficiency.
Description
Technical Field
The invention relates to the field of construction, in particular to a supporting platform for tunnel construction and a using method thereof.
Background
After the construction excavation and the tunnel lining of the train or subway tunnel are finished, the interior of the tunnel needs to be decorated, such as painting, routing and the like, but because the upper side surface of the tunnel is an arc-shaped surface and the lower bottom surface of the tunnel is a plane, the connection part of the arc-shaped surface and the plane adopts an inclined plane transition; the tunnel with the excessive inclined surface is large in inner diameter, when decoration construction needs to be carried out on the top of the tunnel, a common scaffold is often adopted to move back and forth, left and right and front and back, the construction speed is greatly reduced through continuous movement of the scaffold, the common support frame at the excessive inclined surface is not fixed well, rollover is easy, and certain potential safety hazards exist, so that the movement and the fixation of the tunnel support frame become key factors which hinder the construction progress.
Disclosure of Invention
The invention aims to solve the technical problems that the construction speed is greatly reduced by continuously moving a scaffold in a tunnel, a common support frame is not easy to fix and turn over easily, and certain potential safety hazards exist, and the support platform for tunnel construction and the use method thereof are safe in construction and convenient to move.
In order to solve the technical problems, the invention adopts the following technical scheme: a supporting platform for tunnel construction comprises a middle supporting device, wherein a left supporting device and a right supporting device are symmetrically arranged on two sides of the middle supporting device, the middle supporting device comprises a bottom supporting frame, a scissor-type lifting frame is arranged on the bottom supporting frame, and a supporting platform is arranged on the scissor-type lifting frame; the supporting platform is characterized in that scissor-type telescopic frames are respectively arranged on two sides of the supporting platform, and the lower portions of the scissor-type telescopic frames are connected with the left supporting device or the right supporting device.
The left supporting device comprises a bottom inclined plate and a bottom flat plate, wherein the bottom inclined plate is hinged with one side of the bottom flat plate, and the other side of the bottom inclined plate is connected with the other side of the bottom flat plate through a leveling frame; the bottom flat plate is provided with a lead screw motor, a lead screw of the lead screw motor is provided with a side bracket, and the upper end of the side bracket is connected with the lower part of the scissor-fork type telescopic frame; the bottom sloping plate is hinged with the bottom supporting frame.
The side support comprises a plurality of side support units, quick-insertion connecting seats are arranged on the lower portion of the scissor type telescopic frame and the lower portion of each side support unit, threaded rods matched with the quick-insertion connecting seats are arranged on the upper portions of the side support units, each quick-insertion connecting seat comprises an outer ring seat and an inner ring seat, each inner ring seat comprises a plurality of arc-shaped blocks, an annular bottom plate is arranged on the lower portion of each outer ring seat, an annular cover plate is arranged on the upper portion of each outer ring seat, a T-shaped groove and a T-shaped rod are arranged on each outer ring seat, one end of each T-shaped rod is fixed on each arc-shaped; the T-shaped rod is sleeved with a return spring, one end of the return spring is fixed on the arc-shaped block, and the other end of the return spring is connected with the inner wall of the outer ring seat.
The inner ring seat is provided with internal threads, external threads on the threaded rod are matched with the internal threads on the inner ring seat, the front side surface of the external threads on the threaded rod is an inclined surface, and the rear side surface of the external threads is a straight surface or an inclined surface with a slope smaller than that of the front side surface; and a control rod is arranged on the outer side of the T-shaped rod.
The screw rod is provided with a threaded inner cylinder, internal threads on the inner side of the threaded inner cylinder are meshed with external threads on the screw rod, and the outer side of the threaded inner cylinder is provided with a limit key; the lower part of the side bracket is provided with a fixing ring, the fixing ring comprises a left half ring and a right half ring, the upper parts of the left half ring and the right half ring are hinged, the lower parts of the left half ring and the right half ring are provided with lug plates, and connecting bolts are matched with the lug plates; the left half ring and the right half ring are provided with limiting grooves, and limiting keys are clamped in the limiting grooves.
The leveling frame comprises an upper adjusting column and a lower adjusting column, the upper adjusting column and the lower adjusting column are connected through an adjusting sleeve, a limiting plate is arranged at the upper end of the upper adjusting column, the lower end of the upper adjusting column is in threaded connection with the adjusting sleeve, the upper end of the lower adjusting column is in threaded connection with the adjusting sleeve, and an angle adjusting device is arranged at the lower end of the lower adjusting column; the lower surface of the bottom flat plate is provided with a T-shaped groove, and the limiting plate extends into the T-shaped groove.
The angle adjusting device comprises a rotating shaft, two side rotating drums are arranged on the rotating shaft, a middle rotating drum is arranged between the two side rotating drums, the side rotating drums are connected with a lower adjusting column through connecting plates, and an adjusting plate is arranged at the lower part of the middle rotating drum; regulating plate lower surface be equipped with joint tooth I, the upper surface of bottom swash plate be equipped with joint tooth II, joint tooth I is connected with joint tooth II joint.
The scissor type lifting frame comprises a plurality of scissor type lifting units and telescopic oil cylinders, adjacent scissor type lifting units are connected through a hinged shaft I, one side of the lowest scissor type lifting unit is fixed on the bottom support frame, and the other side of the lowest scissor type lifting unit is connected with a piston rod of the telescopic oil cylinder; cut fork expansion bracket include that a plurality of cuts fork expansion unit and backing plate, the lower part passes through articulated shaft II between the adjacent fork expansion unit and connects, upper portion passes through articulated shaft III and connects, the backing plate is laid on articulated shaft II, cut fork expansion bracket one end and fix on supporting platform, the other end is equipped with inserts the connecting seat soon.
The lower part of the bottom inclined plate is provided with an inclined traveling wheel; the upper part of the bottom support frame is provided with a containing box body; the lower part of the bottom support frame is provided with a track travelling wheel; and two sides of the track travelling wheel are provided with plane wheels.
① clamping the track traveling wheels on the track, expanding the left and right supporting devices to two sides, and leveling the bottom flat plate by the adjusting frame;
② after the bottom flat plate is leveled, the piston rod of the telescopic oil cylinder begins to extend out, and the scissor type lifting frame begins to rise;
③ inserting the threaded rod of the first side bracket unit into the quick-inserting connecting seat at the lower part of the scissor type telescopic frame along with the ascending of the scissor type lifting frame to complete the installation of the first side bracket unit;
④ after the last side bracket unit is installed, fixedly connecting the inner threaded cylinder on the screw rod with the fixing ring to complete the lifting and supporting of the scissor type lifting bracket;
⑤ unfolding the scissor type telescopic rack, namely opening a lead screw motor, and driving the side bracket unit to move towards two sides by the inner threaded cylinder through the fixing ring along with the rotation of the lead screw so as to drive the scissor type telescopic rack to unfold;
⑥ laying the pad on the hinge shaft II to complete the construction of the supporting platform.
The left supporting device and the right supporting device can be retracted, the storage and the transfer are convenient, the extending height of the scissor-fork type lifting frame and the extending length of the scissor-fork type telescopic frame can be adjusted, the telescopic rail type lifting frame can be suitable for rails with different heights and widths, and the application range is wide; supporting platform about need not around, moves along the rail-engaging, and a supporting platform can accomplish the decoration demand of most in the tunnel top, improves the efficiency of construction.
Drawings
FIG. 1 is a schematic structural view of the present invention in an unfolded state;
FIG. 2 is a schematic view of a side bracket according to the present invention;
FIG. 3 is a schematic cross-sectional view of the quick-connect socket of the present invention mating with a threaded rod;
FIG. 4 is a schematic cross-sectional view of the engagement of the local quick-connect connector block with the threaded rod of the present invention;
FIG. 5 is a schematic diagram of the structure of the annular cover plate of the partial quick-insertion connecting seat of the present invention;
FIG. 6 is a schematic longitudinal sectional view of the quick-connect socket of the present invention engaged with a threaded rod;
FIG. 7 is a schematic view of the longitudinal section structure of the fixing ring of the present invention matching with the threaded inner cylinder and the lead screw;
FIG. 8 is a schematic side view of the scissor lift of the present invention;
FIG. 9 is a side view schematic of a scissor jack of the present invention;
FIG. 10 is a schematic view of the leveling frame structure of the present invention;
FIG. 11 is a schematic view of the bottom sloping plate structure of the present invention;
FIG. 12 is a schematic view of the lower surface of the adjusting plate of the present invention;
FIG. 13 is a schematic cross-sectional view of an adjustment plate of the present invention;
fig. 14 is a schematic view of the present invention in a stowed state configuration.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 to 14, a supporting platform for tunnel construction comprises a middle supporting device 1, wherein a left supporting device 2 and a right supporting device 3 are symmetrically arranged on two sides of the middle supporting device 1, the middle supporting device 1 comprises a bottom supporting frame 11, a scissor-type lifting frame 12 is arranged on the bottom supporting frame 11, and a supporting platform 13 is arranged on the scissor-type lifting frame 12; and the two sides of the supporting platform 13 are respectively provided with a scissor type telescopic frame 14, and the lower part of the scissor type telescopic frame 14 is connected with the left supporting device 2 or the right supporting device 3.
The left supporting device 2 comprises a bottom inclined plate 21 and a bottom flat plate 22, one side of the bottom inclined plate 21 is hinged with one side of the bottom flat plate 22, and the other side of the bottom inclined plate 21 is connected with the other side of the bottom flat plate 22 through a leveling frame 4; a screw motor 23 is arranged on the bottom flat plate 22, a screw 231 of the screw motor 23 is provided with a side bracket 24, and the upper end of the side bracket 24 is connected with the lower part of the scissor-fork type telescopic frame 14; the bottom sloping plate 21 is hinged with the bottom support frame 11.
The side support 24 comprises a plurality of side support units 241, the lower parts of the scissor-fork type telescopic frames 14 and the lower parts of the side support units 241 are respectively provided with a quick-insertion connecting seat 25, the upper parts of the side support units 241 are provided with a threaded rod 26 matched with the quick-insertion connecting seat 25, the quick-insertion connecting seat 25 comprises an outer ring seat 251 and an inner ring seat 252, the inner ring seat 252 comprises a plurality of arc-shaped blocks 253, the lower part of the outer ring seat 251 is provided with an annular bottom plate 254, the upper part of the outer ring seat 251 is provided with an annular cover plate 255, the outer ring seat 251 is provided with a T-shaped groove 256 and a T-shaped rod 257, one end of the T-shaped rod 257 is; the T-shaped rod 257 is sleeved with a return spring 259, one end of the return spring 259 is fixed on the arc-shaped block 253, and the other end of the return spring 259 is connected with the inner wall of the outer ring seat 251. A quick-plug connecting seat 25 at the lower part of the scissor type telescopic frame 14 is arranged at the outermost side of the scissor type telescopic frame 14 and is used for being matched and connected with a threaded rod 26 of the bracket unit 241 at the uppermost part.
The inner ring seat 252 is provided with internal threads, external threads on the threaded rod 26 are matched with the internal threads on the inner ring seat 252, the front side surface of the external threads on the threaded rod 26 is an inclined surface, and the rear side surface of the external threads is a straight surface or an inclined surface with a slope smaller than that of the front side surface; the outer side of the T-shaped rod 257 is provided with a control rod 258. During the use, when inserting inner ring seat 252 with threaded rod 26, threaded rod 26 struts arc piece 253, and reset spring 259 is compressed, and threaded rod 26 inserts the back that targets in place, and arc piece 253 resets under reset spring 259's effect and forms inner ring seat, and the internal thread on the inner ring seat meshes with the external screw thread on the threaded rod 26 mutually, realizes threaded rod 26 and the high-speed joint of inserting connecting seat 25 soon, and then realizes pegging graft fast between two adjacent side support units 241. During disassembly, the lever 258 is pulled outward to open the arcuate blocks 253 and withdraw the threaded rod 26.
The screw 231 is provided with a thread inner cylinder 27, the inner thread of the thread inner cylinder 27 is meshed with the outer thread of the screw 231, and the outer side of the thread inner cylinder 27 is provided with a limit key 271; the lower part of the side bracket 24 is provided with a fixing ring 28, the fixing ring 28 comprises a left half ring 281 and a right half ring 282, the upper parts of the left half ring 281 and the right half ring 282 are hinged, the lower parts of the left half ring 281 and the right half ring 282 are provided with lug plates 283, and the lug plates are provided with connecting bolts 284 in a matching way; the left half ring 281 and the right half ring 282 are provided with limit grooves 285, and limit keys 271 are clamped in the limit grooves 285. During installation, the threaded inner cylinder 27 is installed on the lead screw 231, the lower parts of the left half ring 281 and the right half ring 282 are opened, and the limit key 271 is clamped in the limit groove 285, so that the fixed connection between the threaded inner cylinder 27 and the fixed ring 28 is realized; when in use, the screw rod rotates along with the motor to drive the threaded inner cylinder 27 to move forwards or backwards, and further drive the side bracket 24 to move left and right.
The leveling frame 4 comprises an upper adjusting column 41 and a lower adjusting column 42, the upper adjusting column 41 is connected with the lower adjusting column 42 through an adjusting sleeve 43, the upper end of the upper adjusting column 41 is provided with a limiting plate 49, the lower end of the upper adjusting column is in threaded connection with the adjusting sleeve 43, the upper end of the lower adjusting column 42 is in threaded connection with the adjusting sleeve 43, and the lower end of the lower adjusting column is provided with an angle adjusting device 44; the lower surface of the bottom flat plate 22 is provided with a T-shaped groove 221, and the limit plate 49 extends into the T-shaped groove 221.
The angle adjusting device 44 comprises a rotating shaft 441, two side rotating cylinders 442 are arranged on the rotating shaft 441, a middle rotating cylinder 446 is arranged between the two side rotating cylinders 442, the side rotating cylinders 442 are connected with the lower adjusting column 42 through a connecting plate 443, and an adjusting plate 444 is arranged at the lower part of the middle rotating cylinder 446; the regulating plate lower surface be equipped with joint tooth I445, the upper surface of bottom swash plate 21 be equipped with joint tooth II211, joint tooth I445 is connected with joint tooth II211 joint. When the tunnel inclined plane inclined plate is used, the bottom inclined plate 21 is placed according to the inclined angle of the tunnel inclined plane, and the upper adjusting column 41 and the lower adjusting column 42 are vertically placed; the directions of the internal threads at the two ends of the adjusting sleeve 43 are opposite, the adjusting sleeve 43 is rotated, the upper adjusting column 41 and the lower adjusting column 42 simultaneously move towards the middle or towards the two sides, and the purpose of adjusting the height between the bottom inclined plate 21 and the bottom flat plate 22 through the adjusting sleeve 43 is achieved. Leveling frame 4's setting for the inclined plane of different angles in different tunnels is applicable to in placing of bottom swash plate 21 and bottom flat board 22, guarantees that placing of bottom flat board 22 is in the horizontality all the time, and then guarantees left strutting arrangement 2 and right strutting arrangement 3's stable installation.
The scissor type lifting frame 12 comprises a plurality of scissor type lifting units and a telescopic oil cylinder 121, adjacent scissor type lifting units are connected through a hinged shaft I122, one side of the lowest scissor type lifting unit is fixed on the bottom support frame 11, and the other side of the lowest scissor type lifting unit is connected with a piston rod of the telescopic oil cylinder 121; the scissor type telescopic frame 14 comprises a plurality of scissor type telescopic units and base plates 143, the lower parts of the adjacent scissor type telescopic units are connected through hinge shafts II142, the upper parts of the adjacent scissor type telescopic units are connected through hinge shafts III144, the base plates 143 are laid on the hinge shafts II142, one end of the scissor type telescopic frame 14 is fixed on the supporting platform 13, and the other end of the scissor type telescopic frame is provided with a quick-plugging connecting seat 25. The piston rod of the telescopic oil cylinder 121 extends out, the scissor-type lifting frame 12 drives the supporting platform 13 to ascend, the experimental supporting platform 13 ascends, the piston rod of the telescopic oil cylinder 121 retracts, the scissor-type lifting frame 12 drives the supporting platform 13 to descend, and the experimental supporting platform 13 descends. The scissor type telescopic frame 14 is driven by the left supporting device 2 and the right supporting device 3 to expand or retract, so that the supporting platform 13 is extended or shortened; articulated shaft III144 on the upper portion between adjacent scissors fork lift unit is the minor axis, articulated shaft II142 of lower part is the major axis, cut and connect through guard bar 145 between the articulated shaft III144 of fork expansion bracket outermost side, and the staff passes through from cutting the fork crane, cuts fork expansion bracket and guard bar and plays the effect of rail guard. The backing plate 143 is carried by the support platform, and after the scissor-fork type telescopic frame 14 is unfolded, the backing plate is laid on the hinge shaft II142 at the lower part of the scissor-fork type lifting unit from the inner side to the outer side, so that the construction of the left support device 2 or the right support device 3 is completed.
The lower part of the bottom inclined plate 21 is provided with an inclined traveling wheel 213; the upper part of the bottom support frame 11 is provided with a containing box body 119; the lower part of the bottom support frame 11 is provided with a track travelling wheel 111; two sides of the track travelling wheel 111 are provided with plane wheels 112. The two plane wheels 112 are clamped at two sides of the track, so that the track traveling wheels 111 can travel along the track without side deflection. When the foldable side stand is folded, the leveling frame 4 is detached from the bottom plate 22, the bottom sloping plate 21 and the bottom plate 22 are folded inwards, and the side stand unit 241 is folded into the storage box 119, so that the portable side stand is convenient to carry.
① clamping track traveling wheels 111 on a track, expanding a left support device 2 and a right support device 3 to two sides, and leveling a bottom flat plate 22 by an adjusting frame;
② after the bottom flat plate 22 is leveled, the piston rod of the telescopic oil cylinder begins to extend out, and the scissor type lifting frame begins to rise;
③ along with the ascending of the scissor type lifting frame, firstly inserting the threaded rod 26 of the first side bracket unit 241 into the quick-inserting connecting seat 25 at the lower part of the scissor type telescopic frame 14 to finish the installation of the first side bracket unit 241;
④ after the last side bracket unit 241 is installed, the threaded inner cylinder 27 on the lead screw is fixedly connected with the fixed ring 28 to complete the lifting and supporting of the scissor type lifting bracket;
⑤ unfolding the scissor-type telescopic rack, namely, turning on a lead screw motor, and driving the side bracket unit 241 to move towards two sides by the thread inner cylinder 27 through the fixing ring 28 along with the rotation of the lead screw, thereby driving the scissor-type telescopic rack 14 to unfold;
⑥ laying the pad on the hinge shaft II to complete the construction of the supporting platform.
The stowing step of the present invention is the reverse of the above-described steps.
The number of the side stand units 241 is determined according to the height of the tunnel, and the decoration of the top of the tunnel can be completed according to the lifting height of the scissor type telescopic frame 14.
Claims (5)
1. The utility model provides a supporting platform for tunnel construction which characterized in that: the device comprises a middle supporting device (1), wherein a left supporting device (2) and a right supporting device (3) are symmetrically arranged on two sides of the middle supporting device (1), the middle supporting device (1) comprises a bottom supporting frame (11), a scissor type lifting frame (12) is arranged on the bottom supporting frame (11), and a supporting platform (13) is arranged on the scissor type lifting frame (12); both sides of the supporting platform (13) are respectively provided with a scissor type telescopic frame (14), and the lower part of the scissor type telescopic frame (14) is connected with the left supporting device (2) or the right supporting device (3);
the left supporting device (2) comprises a bottom inclined plate (21) and a bottom flat plate (22), one side of the bottom inclined plate (21) is hinged with one side of the bottom flat plate (22), and the other side of the bottom inclined plate is connected with the other side of the bottom flat plate through a leveling frame (4); a screw motor (23) is arranged on the bottom flat plate (22), a side bracket (24) is arranged on a screw (231) of the screw motor (23), and the upper end of the side bracket (24) is connected with the lower part of the scissor type telescopic frame (14); the bottom inclined plate (21) is hinged with the bottom support frame (11);
the side support (24) comprises a plurality of side support units (241), the lower part of the scissor-type telescopic frame (14) and the lower part of each side support unit (241) are respectively provided with a quick-insertion connecting seat (25), the upper part of each side support unit (241) is provided with a threaded rod (26) matched with the quick-insertion connecting seat (25), each quick-insertion connecting seat (25) comprises an outer ring seat (251) and an inner ring seat (252), each inner ring seat (252) comprises a plurality of arc-shaped blocks (253), the lower part of each outer ring seat (251) is provided with an annular bottom plate (254), the upper part of each outer ring seat is provided with an annular cover plate (255), each outer ring seat (251) is provided with a T-shaped groove (256) and a T-shaped rod (257), one end of each T-shaped rod (257) is fixed on each arc-shaped block (253); a return spring (259) is sleeved on the T-shaped rod (257), one end of the return spring (259) is fixed on the arc-shaped block (253), and the other end of the return spring (259) is connected with the inner wall of the outer ring seat (251); the lower part of the bottom inclined plate (21) is provided with an inclined traveling wheel (213); a containing box body (119) is arranged at the upper part of the bottom support frame (11); the lower part of the bottom support frame (11) is provided with a track travelling wheel (111); two sides of the track traveling wheel (111) are provided with plane wheels (112); the screw rod (231) is provided with a threaded inner cylinder (27), internal threads on the inner side of the threaded inner cylinder (27) are meshed with external threads on the screw rod (231), and the outer side of the threaded inner cylinder (27) is provided with a limit key (271);
the lower part of the side bracket (24) is provided with a fixing ring (28), the fixing ring (28) comprises a left half ring (281) and a right half ring (282), the upper parts of the left half ring (281) and the right half ring (282) are hinged, the lower parts of the left half ring (281) and the right half ring (282) are provided with lug plates (283), and connecting bolts (284) are arranged in a manner of being matched with the lug plates; the left half ring (281) and the right half ring (282) are provided with limit grooves (285), and limit keys (271) are clamped in the limit grooves (285);
the scissor type lifting frame (12) comprises a plurality of scissor type lifting units and telescopic oil cylinders (121), adjacent scissor type lifting units are connected through hinged shafts I (122), one side of the lowest scissor type lifting unit is fixed on the bottom support frame (11), and the other side of the lowest scissor type lifting unit is connected with a piston rod of the telescopic oil cylinder (121); cut fork expansion bracket (14) include that a plurality of cuts fork expansion unit and backing plate (143), the lower part passes through articulated shaft II (142) to be connected between the adjacent fork expansion unit, the upper portion passes through articulated shaft III (144) to be connected, backing plate (143) are laid on articulated shaft II (142), cut fork expansion bracket (14) one end and fix on supporting platform (13), the other end is equipped with and inserts connecting seat (25) soon.
2. The support platform for tunnel construction according to claim 1, wherein: the inner ring seat (252) is provided with internal threads, external threads on the threaded rod (26) are matched with the internal threads on the inner ring seat (252), the front side surface of the external threads on the threaded rod (26) is an inclined surface, and the rear side surface of the external threads is a straight surface or an inclined surface with a slope smaller than that of the front side surface; and a control rod (258) is arranged at the outer side of the T-shaped rod (257).
3. The support platform for tunnel construction according to claim 1, wherein: the leveling frame (4) comprises an upper adjusting column (41) and a lower adjusting column (42), the upper adjusting column (41) is connected with the lower adjusting column (42) through an adjusting sleeve (43), the upper end of the upper adjusting column (41) is provided with a limiting plate (49), the lower end of the upper adjusting column is in threaded connection with the adjusting sleeve (43), the upper end of the lower adjusting column (42) is in threaded connection with the adjusting sleeve (43), and the lower end of the lower adjusting column is provided with an angle adjusting device (44); the lower surface of the bottom flat plate (22) is provided with a T-shaped groove (221), and the limiting plate (49) extends into the T-shaped groove (221).
4. The support platform for tunnel construction according to claim 3, wherein: the angle adjusting device (44) comprises a rotating shaft (441), two side rotating cylinders (442) are arranged on the rotating shaft (441), a middle rotating cylinder (446) is arranged between the two side rotating cylinders (442), the side rotating cylinders (442) are connected with a lower adjusting column (42) through a connecting plate (443), and an adjusting plate (444) is arranged at the lower part of the middle rotating cylinder (446); the lower surface of the adjusting plate is provided with clamping teeth I (445), the upper surface of the bottom inclined plate (21) is provided with clamping teeth II (211), and the clamping teeth I (445) are connected with the clamping teeth II (211) in a clamping mode.
5. A use method of the supporting platform for tunnel construction according to any one of claims 1 to 4, characterized by comprising the steps of ① clamping the track traveling wheels (111) on the track, unfolding the left supporting device (2) and the right supporting device (3) to two sides, and leveling the bottom flat plate (22) by the adjusting frame;
② after the bottom flat plate (22) is leveled, the piston rod of the telescopic oil cylinder starts to extend out, and the scissor type lifting frame starts to rise;
③ along with the ascending of the scissor type lifting rack, firstly inserting the threaded rod (26) of the first side bracket unit (241) into the quick-insertion connecting seat (25) at the lower part of the scissor type expansion bracket (14) to finish the installation of the first side bracket unit (241), and along with the continuous ascending of the scissor type lifting rack, finishing the installation of the rest side bracket unit (241);
④ after the last side bracket unit (241) is installed, fixedly connecting the threaded inner cylinder (27) on the lead screw with the fixed ring (28) to complete the lifting and supporting of the scissor type lifting bracket;
⑤ unfolding the scissor type telescopic rack, namely, opening a lead screw motor, and driving a side bracket unit (241) to move towards two sides by a thread inner cylinder (27) through a fixed ring (28) along with the rotation of a lead screw so as to drive the scissor type telescopic rack (14) to unfold;
⑥ laying the pad on the hinge shaft II to complete the construction of the supporting platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910313633.0A CN109973109B (en) | 2019-04-18 | 2019-04-18 | Supporting platform for tunnel construction and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910313633.0A CN109973109B (en) | 2019-04-18 | 2019-04-18 | Supporting platform for tunnel construction and using method thereof |
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| CN109973109A CN109973109A (en) | 2019-07-05 |
| CN109973109B true CN109973109B (en) | 2020-06-26 |
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| CN115447653B (en) * | 2022-10-24 | 2024-03-08 | 宁夏巨能机器人股份有限公司 | Work piece transfer car that can domatic antiskid was located |
| CN117248951B (en) * | 2023-11-17 | 2024-02-13 | 安徽省交通控股集团有限公司 | Tunnel excavation supporting structure and application method thereof |
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| DE202004011959U1 (en) * | 2004-07-30 | 2004-10-28 | Ochs, Eckhard | Lifting platform for especially private motor vehicle has air bellows which in extended state is orientated vertically between support and lifting table, whereby support is held horizontal by stop or steel cable |
| CN201087115Y (en) * | 2007-09-19 | 2008-07-16 | 许树根 | Platform for work high above ground with anti-plunge safety device |
| CN103791203B (en) * | 2014-02-19 | 2015-09-30 | 哈尔滨工程大学 | A kind of multi-freedom degree liquid crystal television bracket |
| CN103835727A (en) * | 2014-03-31 | 2014-06-04 | 中铁西南科学研究院有限公司 | Extended type multi-platform railway tunnel operation trolley |
| CN105883667A (en) * | 2014-10-27 | 2016-08-24 | 张传生 | Large-span multifunctional lifting platform system |
| CN106758056A (en) * | 2016-12-27 | 2017-05-31 | 东莞市联洲知识产权运营管理有限公司 | A kind of clothes hanger of automatic rainproof |
| CN206346133U (en) * | 2016-12-28 | 2017-07-21 | 郑州鑫雅图安科技有限公司 | The scalable guardrail of Portable automatic |
| CN106938706B (en) * | 2017-03-09 | 2019-05-03 | 王亮 | A kind of unmanned plane landing platform waggon |
| CN107673266A (en) * | 2017-10-09 | 2018-02-09 | 苏州大方特种车股份有限公司 | Bi-directional expansion hoistable platform and tunnel cleaning vehicle |
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- 2019-04-18 CN CN201910313633.0A patent/CN109973109B/en active Active
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