CN116255172A - Supporting equipment for tunnel construction - Google Patents
Supporting equipment for tunnel construction Download PDFInfo
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- CN116255172A CN116255172A CN202310172559.1A CN202310172559A CN116255172A CN 116255172 A CN116255172 A CN 116255172A CN 202310172559 A CN202310172559 A CN 202310172559A CN 116255172 A CN116255172 A CN 116255172A
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- 238000010276 construction Methods 0.000 title claims abstract description 35
- 230000033001 locomotion Effects 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 description 5
- 230000000670 limiting effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 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
- E21D15/50—Component parts or details of props
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to the technical field of devices for tunnel construction; the supporting equipment for tunnel construction comprises a base, a supporting top plate and an air cylinder; a groove is vertically formed in the base, a lifting table is connected in the groove in a sliding mode, and a platform is arranged at the top of the lifting table; the supporting top plate is fixedly connected with the platform and is positioned above the platform; the cylinder is fixedly connected in the groove, and an output shaft of the cylinder is fixedly connected with the bottom of the lifting table; the surface both sides of platform all are equipped with the spout, and sliding connection has the extension board in the spout, still includes the adjustment mechanism who is used for driving the motion of extension board. The problem of current strutting arrangement for tunnel construction function singleness has mainly been solved to this scheme.
Description
Technical Field
The utility model relates to the technical field of devices for tunnel construction, in particular to supporting equipment for tunnel construction.
Background
The tunnel is an engineering building buried in the ground, is a form of using underground space by human beings, and can be classified into traffic tunnels, hydraulic tunnels, municipal tunnels, and mine tunnels. During tunnel construction, a supporting device is usually required to prevent soil at the top of the tunnel from falling, so that construction is affected; however, the existing supporting device does not have an adjusting function, so that the height of the supporting device is fixed.
In order to solve the problems, chinese patent publication No. CN208024374U discloses a supporting device for underground tunnel construction, which comprises a bottom plate, wherein the upper surface of the bottom plate is provided with a sleeve jack, a sleeve is sleeved in the sleeve jack, a damping rod is sleeved in the sleeve, the bottom of the damping rod is provided with a piston sheet, the outer wall of the damping rod is sleeved with a damping spring, the top of the damping rod is connected with a supporting top plate through a connecting piece, the upper surface of the supporting top plate is provided with a pressure sensor, the edge of the upper surface of the bottom plate is provided with a cylinder mounting hole, the inner wall of the cylinder mounting hole is connected with a clamping piece through a movable screw, and a telescopic cylinder is clamped inside the clamping piece; this patent drives through flexible cylinder and supports roof vertical motion to this is accomplished the regulation to the height, and then realizes the support to the tunnel.
In the actual use process of the patent, the supporting of the tunnel is mainly realized by propping the supporting top plate against the tunnel, but the construction position is not provided for the staff, so that the construction site needs to use the existing lifting equipment to assist the staff in construction, and therefore, the existing supporting device has the problem of single function; in addition, the existing lifting equipment is connected with a platform for a worker to stand, but the length of the existing platform is a fixed value, so that the worker can only construct a tunnel in a fixed range; when the position of tunnel construction exceeds the length of the platform, the personnel safety of workers can be threatened if the construction is forced; in order to ensure personal safety of the staff, the platform can be driven to move downwards, so that the staff returns to the initial position, after the staff gets off from the platform, the existing lifting equipment is transferred to the position where the tunnel needs to be constructed, the staff returns to the platform again, the platform is lifted to the required position, and at the moment, the staff can construct the tunnel, but the mode is complex in operation, and the working difficulty is increased.
Disclosure of Invention
The utility model aims to provide supporting equipment for tunnel construction, which solves the problem that the existing supporting device for tunnel construction has single function.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a supporting device for tunnel construction comprises a base, a supporting top plate and an air cylinder; a groove is vertically formed in the base, a lifting table is connected in the groove in a sliding mode, and a platform is arranged at the top of the lifting table; the supporting top plate is fixedly connected with the platform and is positioned above the platform; the cylinder is fixedly connected in the groove, and an output shaft of the cylinder is fixedly connected with the bottom of the lifting table; the surface both sides of platform all are equipped with the spout, and sliding connection has the extension board in the spout, still includes the adjustment mechanism who is used for driving the motion of extension board.
The principle and the advantages of the scheme are as follows:
1. according to the scheme, the lifting table can be driven to vertically move through the air cylinder, and the lifting table drives the supporting top plate to vertically move, so that the supporting top plate is propped against the tunnel, and the support of the tunnel is realized; compared with the prior art, during this scheme elevating platform vertical motion, the elevating platform still can drive platform vertical motion, and the staff also moves to the required position along with the platform is vertical to the staff is under construction to the tunnel, consequently, this scheme can support the tunnel, can supply the staff to construct the tunnel again, and the function is more, and the practicality is stronger.
2. The both sides sliding connection of this scheme platform has the extension board, can drive the extension board through adjustment mechanism and slide, and then utilizes extension board extension platform's length of use, provides the wider construction support of scope for the staff.
Further, the adjusting mechanism comprises adjusting parts which are respectively arranged at two sides of the lifting platform, the adjusting parts comprise a motor, a screw rod and an arc-shaped groove which is arranged on the lifting platform, the motor is fixedly connected on the lifting platform, and an output shaft of the motor is fixedly connected with the screw rod; the screw is connected with a nut seat in a threaded manner, a transverse groove is formed in the nut seat, a transverse block is connected in a sliding manner in the transverse groove, and a first spring is arranged between the transverse block and the transverse groove; a linkage block is connected in the arc-shaped groove in a sliding way and fixedly connected with the transverse block; the nut seat is provided with a nut seat, and the nut seat is provided with a nut seat.
Through the arrangement, the output shaft of the motor drives the screw to rotate, and the linkage block slides along the path of the arc-shaped groove and is fixedly connected with the transverse block, so that the nut seat moves upwards during the rotation of the screw; the nut seat drives the extension plate to slide along the path of the chute through the linkage block.
Further, the linkage unit comprises a first wedge block and a vertical groove formed in the bottom of the platform, the first wedge block is fixedly connected to the nut seat, and the first wedge block is in sliding fit with the vertical groove; the extension plate is provided with a first wedge surface which is used for being extruded by the first wedge block, and the first wedge surface is positioned on the movement track of the first wedge block.
Through the arrangement, during the upward movement of the nut seat, the nut seat drives the first wedge block to move upward, so that the first wedge block slides into the vertical groove; the nut seat continues to move upwards, and the first wedge blocks extrude the first inclined planes to enable the extension plates to slide along the sliding grooves, namely the distance between the two extension plates is increased.
Further, the transverse block is provided with a supporting block which is used for propping against the bottom of the extension plate, and the extension plate is positioned on the movement track of the supporting block.
Through the arrangement, during the upward movement of the nut seat, the linkage block slides in the arc-shaped groove, so that the linkage block drives the transverse block to slide in the transverse groove, and the first spring stretches, namely the distance between the two transverse blocks is increased; the movement direction of the transverse block is consistent with the movement direction of the extension plate, so that the transverse block drives the supporting block to synchronously move; during the upward movement of the nut seat, the nut seat can drive the supporting block to move upward through the transverse block, so that the supporting block is propped against the bottom of the moving extending plate, namely, the supporting block is used for supporting the extending plate, and further, the extending plate is prevented from being inclined or bent, so that a worker can stand on the extending plate to construct a tunnel.
Further, the top of supporting shoe is equipped with the rubber layer that is used for with extension board bottom looks offset, is equipped with anti-skidding line on the rubber layer.
Through the arrangement, the rubber layer is used for replacing the supporting blocks to be in contact with the extension plates, so that the abrasion of the supporting blocks and the extension plates can be reduced, the service lives of the supporting blocks and the extension plates can be prolonged, the friction force between the rubber layer and the extension plates can be increased, and the limiting effect on the extension plates can be improved; and moreover, the friction force between the rubber layer and the extension plate can be further increased by utilizing the anti-skid patterns, so that the limiting effect on the extension plate is further improved.
Further, both sides of the platform are provided with side grooves which are communicated with the sliding grooves, the side grooves are connected with stop blocks in a sliding manner, and a second spring is arranged between the stop blocks and the platform; the side wall of the extension plate is provided with a stop groove which is in sliding fit with the stop block; the nut seat is provided with a nut seat, and the nut seat is provided with a stop block.
Through the arrangement, during the upward movement of the nut seat, the nut seat drives the first wedge block to move upward, so that the first wedge block slides into the vertical groove; the nut seat continues to move upwards, and the first wedge block extrudes the first inclined plane to enable the extension plates to slide along the sliding groove, namely the distance between the two extension plates is increased; when the stop groove is opposite to the stop block, the nut seat stops moving.
During the upward movement of the nut seat, the nut seat can drive the stop block to extend into the stop groove through the stop part, and the second spring is compressed, so that the positioning of the extension plate is realized, and further, the shaking or transverse movement of the extension plate is avoided, and the stability of the extension plate for supporting staff is ensured.
Further, the stopping part comprises a rotating shaft, an arc-shaped rack and a guide groove arranged on the side wall of the platform, the rotating shaft is rotationally connected with the transverse block, the rotating shaft is fixedly connected with a swing arm and a gear meshed with the arc-shaped rack, and the arc-shaped rack is fixedly connected on the lifting platform; a second wedge block is connected in a sliding manner in the guide groove, a third spring is arranged between the second wedge block and the guide groove, and the second wedge block is positioned on the movement track of the swing arm; the stop block is provided with a second wedge surface which is used for being extruded by the second wedge block, and the second wedge surface is positioned on the movement track of the second wedge block.
Through the arrangement, during the upward movement of the nut seat, the linkage block can slide along the path of the arc groove, so that the linkage block drives the movement track of the gear to be an arc line through the transverse block, the gear is meshed with the arc rack all the time to drive the gear to continuously rotate, the gear drives the rotating shaft to rotate, and the rotating shaft drives the swing arm to synchronously rotate; the nut seat continues to move upwards, so that the swing arm extrudes the second wedge block to act on the second wedge surface, and the third spring stretches; the nut seat continues to move upwards, so that the second wedge block extrudes the second wedge block to drive the stop block to extend into the stop groove, the second spring is compressed, the positioning of the extension plate is realized, and further the shaking or transverse movement of the extension plate is avoided, so that the stability of the extension plate for supporting a worker is ensured.
Further, the horizontal distance between one end of the arc-shaped rack, which is close to the platform, and the platform is larger than the horizontal distance between the other end of the arc-shaped rack and the platform.
Through above-mentioned setting, when accomplishing the location to the nut seat, the gear is located the top of arc rack upper end, and then the arc rack passes through gear, pivot, horizontal piece, supporting shoe and improves the stability to extension board support.
Further, the arc-shaped rack comprises an arc-shaped section and a straight section fixedly connected with the arc-shaped section, and the straight Duan Gao is arranged on the arc-shaped section.
Through above-mentioned setting, when accomplishing the location to the nut seat, the gear is located the top of straight section, and the stability to the gear support through straight section is higher.
Further, rubber blocks for supporting the rotating shaft are arranged on two sides of the lifting table, the rubber blocks are located on the moving track of the rotating shaft, and the rubber blocks are located between the arc-shaped grooves and the straight sections.
Through the arrangement, during the upward movement of the nut seat, the linkage block can slide along the path of the arc groove, so that the linkage block drives the movement track of the gear to be an arc line through the transverse block, and the movement track of the rotating shaft is also an arc line; when the extension board is positioned, the gear is positioned above the straight section, the rotating shaft is positioned above the rubber block, and the rubber block is propped against the rotating shaft, so that the support of the rotating shaft is realized, and the stability of the support of the extension board is improved by the rubber block through the rotating shaft, the transverse block and the supporting block.
Drawings
FIG. 1 is a front view of an embodiment of a supporting apparatus for tunnel construction according to the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a partial top view of the platform of FIG. 1;
fig. 4 is a partial cross-sectional view of the front view of fig. 1.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the lifting platform comprises a base 10, a groove 11, a lifting platform 12, an arc-shaped rack 121, an arc-shaped section 1211, a straight section 1212, a platform 13, an extension plate 131, a stop groove 1311, a vertical groove 132, a stop block 133, a second spring 134, a guide groove 135, a second wedge 136, a third spring 137, a cylinder 14, a support top plate 20, a motor 30, a screw 31, an arc-shaped groove 32, a nut seat 33, a first wedge 331, a transverse block 34, a support block 341, a rotating shaft 342, a swing arm 343, a gear 344, a first spring 35, a rubber block 40 and a guide rod 50.
Examples
Substantially as shown in figures 1, 2, 3 and 4: the supporting device for tunnel construction comprises a base 10, a supporting top plate 20 and an air cylinder 14; a groove 11 is vertically formed in the base 10, a lifting table 12 is vertically connected in the groove 11 in a sliding manner, and a platform 13 is fixedly connected to the top of the lifting table 12; the bottom of the supporting top plate 20 is fixedly connected with a pillar, the pillar is fixedly connected with the platform 13, the supporting top plate 20 is positioned above the platform 13, and the supporting top plate 20 is arc-shaped; the number of the air cylinders 14 is two, and the two air cylinders 14 are respectively arranged on two sides of the surface of the groove 11; the cylinder 14 is fixedly connected in the groove 11, and the output shaft of the cylinder 14 is fixedly connected with the bottom of the lifting table 12.
The two sides of the surface of the platform 13 are provided with sliding grooves, an extension plate 131 is connected in the sliding grooves in a sliding manner, the device further comprises an adjusting mechanism for driving the extension plate 131 to move, the adjusting mechanism comprises adjusting parts which are respectively arranged at two sides of the lifting platform 12, each adjusting part comprises a motor 30, a screw 31 and an arc-shaped groove 32 which is arranged on the lifting platform 12, the motor 30 is a servo motor 30, the motor 30 is fixedly connected to the lifting platform 12, and an output shaft of the motor 30 is fixedly connected with the screw 31; the screw 31 is in threaded connection with a nut seat 33, the nut seat 33 is provided with a transverse groove, a transverse block 34 is in sliding connection with the transverse groove, and a first spring 35 is fixedly connected between the transverse block 34 and the transverse groove; a linkage block is slidably connected in the arc-shaped groove 32 and fixedly connected with the transverse block 34; the device further comprises a linkage unit which drives the extension plate 131 to move along with the movement of the nut seat 33, wherein the linkage unit comprises a first wedge block 331 and a vertical groove 132 formed at the bottom of the platform 13, the first wedge block 331 is fixedly connected to the nut seat 33, and the first wedge block 331 is in sliding fit with the vertical groove 132; the extending plate 131 is provided with a first wedge surface for being pressed by the first wedge 331, and the first wedge surface is located on the movement track of the first wedge 331. The transverse block 34 is fixedly connected with a supporting block 341 which is used for propping against the bottom of the extending plate 131, and the extending plate 131 is positioned on the movement track of the supporting block 341.
Side grooves are formed in two sides of the platform 13 and are communicated with the sliding grooves, stop blocks 133 are connected to the side grooves in a sliding mode, and a second spring 134 is fixedly connected between the stop blocks 133 and the platform 13; a stop groove 1311 is formed in the side wall of the extension plate 131, and the stop groove 1311 is in sliding fit with the stop block 133; the nut seat 33 moves to drive the stop block 133 to slide into the stop groove 1311, the stop part comprises a rotating shaft 342, an arc-shaped rack 121 and a guide groove 135 arranged on the side wall of the platform 13, the rotating shaft 342 is rotationally connected with the transverse block 34, a swing arm 343 and a gear 344 meshed with the arc-shaped rack 121 are fixedly connected on the rotating shaft 342, the arc-shaped rack 121 is fixedly connected on the lifting table 12, and the radian of the arc-shaped rack 121 is consistent with that of the arc-shaped groove 32; a second wedge block 136 is connected in a sliding manner in the guide groove 135, a third spring 137 is fixedly connected between the second wedge block 136 and the guide groove 135, and the second wedge block 136 is positioned on the movement track of the swing arm 343; the stop block 133 is provided with a second wedge surface for being pressed by the second wedge 136, and the second wedge surface is located on the movement track of the second wedge 136.
The horizontal distance between the upper end of the arc-shaped rack 121 and the platform 13 is greater than the horizontal distance between the lower end of the arc-shaped rack 121 and the platform 13. The arc rack 121 includes an arc segment 1211 and a straight segment 1212 fixedly connected to the arc segment 1211, the straight segment 1212 being higher than the arc segment 1211. The rubber block 40 for supporting the rotating shaft 342 is fixedly connected to the two sides of the lifting table 12, one end, close to the screw 31, of the rubber block 40 is an arc surface, the rubber block 40 is located on the motion track of the rotating shaft 342, and the rubber block 40 is located between the arc-shaped groove 32 and the straight section 1212.
The specific implementation process is as follows:
when in use, the height of the supporting top plate 20 is adjusted according to the needs, specifically: starting the air cylinder 14, wherein an output shaft of the air cylinder 14 drives the lifting platform 12 to move upwards, and the lifting platform 12 drives the platform 13 and the supporting top plate 20 to move upwards; when the supporting top plate 20 abuts against the inner wall of the tunnel, the cylinder 14 is closed, so that the supporting top plate 20 is positioned, and the supporting of the tunnel is completed through the supporting top plate 20.
Before the lifting platform 12 is adjusted, a worker needs to stand on the platform 13; when the lifting table 12 is lifted to a required position, the worker is lifted to the required position along with the platform 13, so that the worker can construct the tunnel.
The length of the traditional platform 13 is a fixed value, so that a worker can only construct a tunnel in a fixed range; when the position of tunnel construction exceeds the length of the platform 13, the personnel safety of workers can be threatened if the construction is forced; in order to ensure personal safety of the staff, the platform 13 is driven to move downwards, so that the staff returns to the initial position, after the staff gets off the platform 13, the existing lifting equipment is transferred to the position where the tunnel needs to be constructed, the staff returns to the platform 13 again, the platform 13 is lifted to the required position, and the staff can construct the tunnel at the moment, but the mode is complex in operation, and the working difficulty is increased.
In order to reduce the operation difficulty and the working difficulty, when the position for tunnel construction exceeds the length of the platform 13, the scheme can simultaneously start two motors 30, and the output shafts of the motors 30 drive the screw rods 31 to rotate, so that the nut seat 33 moves upwards; during the upward movement of the nut seat 33, the nut seat 33 drives the first wedge 331 to move upward, so that the first wedge 331 slides into the vertical groove 132; the nut seat 33 continues to move upwards, and the first wedge 331 presses the first inclined surface to enable the extension plates 131 to slide along the sliding groove, namely the distance between the two extension plates 131 is increased; when the extension plate 131 moves to a designated position, the stop groove 1311 is opposite to the stop block 133, and the motor 30 is turned off, so that the nut seat 33 and the first wedge 331 are positioned, and the extension plate 131 is not moved any more.
During the upward movement of the nut seat 33, the linkage block slides in the arc-shaped groove 32, so that the linkage block drives the transverse blocks 34 to slide in the transverse grooves, and the first springs 35 stretch, namely the distance between the two transverse blocks 34 increases; moreover, the movement direction of the transverse block 34 is consistent with the movement direction of the extension plate 131, so that the transverse block 34 drives the supporting block 341 to move synchronously; during the upward movement of the nut seat 33, the nut seat 33 drives the supporting block 341 to move upward through the transverse block 34; the nut seat 33 continues to move upwards, when the nut seat 33 is positioned, the position of the supporting block 341 is stopped, and meanwhile, the supporting block 341 is propped against the bottom of the moving extending plate 131, namely, the supporting of the extending plate 131 is realized through the supporting block 341, so that the extending plate 131 is prevented from being inclined or bent, and a worker can stand on the extending plate 131 to construct a tunnel.
During the upward movement of the nut seat 33, the linkage block slides along the path of the arc-shaped groove 32, so that the linkage block drives the movement track of the gear 344 to be an arc line through the transverse block 34, and the gear 344 is meshed with the arc-shaped rack 121 all the time to drive the gear 344 to continuously rotate, the gear 344 drives the rotating shaft 342 to rotate, and the rotating shaft 342 drives the swing arm 343 to synchronously rotate; the nut seat 33 continues to move upwards, so that the swing arm 343 presses the second wedge 136 to act on the second wedge surface, and the third spring 137 stretches; the nut seat 33 continues to move upwards, when the nut seat 33 is positioned, the second wedge 136 extrudes the second wedge to drive the stop block 133 to extend into the stop groove 1311, and the second spring 134 is compressed, so that the positioning of the extension plate 131 is realized, and further, the shaking or transverse movement of the extension plate 131 is avoided, so that the stability of the extension plate 131 for supporting a worker is ensured.
Because the horizontal distance between the upper end of the arc-shaped rack 121 and the platform 13 is greater than the horizontal distance between the lower end of the arc-shaped rack 121 and the platform 13, when the nut seat 33 is positioned, the gear 344 is positioned above the upper end of the arc-shaped rack 121, and the arc-shaped rack 121 further improves the stability of supporting the extension plate 131 through the gear 344, the rotating shaft 342, the transverse block 34 and the supporting block 341; and, the arc rack 121 includes an arc segment 1211 and a straight segment 1212 fixedly connected with the arc segment 1211, the straight segment 1212 is higher than the arc segment 1211, and when the nut seat 33 is positioned, the gear 344 is located above the straight segment 1212, and the stability of supporting the gear 344 through the straight segment 1212 is higher.
During the upward movement of the nut seat 33, the linkage block slides along the path of the arc-shaped groove 32, so that the linkage block drives the movement track of the gear 344 to be an arc through the transverse block 34, and the movement track of the rotating shaft 342 is also an arc; when the nut seat 33 is positioned, the gear 344 is located above the straight section 1212, the rotating shaft 342 is located above the rubber block 40, and the rubber block 40 abuts against the rotating shaft 342, so as to support the rotating shaft 342, and further, the rubber block 40 is utilized to improve the stability of supporting the extension plate 131 through the rotating shaft 342, the transverse block 34 and the supporting block 341.
In this embodiment, a rubber layer for propping against the bottom of the extension plate 131 is fixedly connected to the top of the supporting block 341, and anti-skid patterns are arranged on the rubber layer; the rubber layer is used for replacing the supporting block 341 to be in contact with the extension plate 131, so that on one hand, the abrasion of the supporting block 341 and the extension plate 131 can be reduced, the service lives of the supporting block 341 and the extension plate 131 can be prolonged, on the other hand, the friction force between the rubber layer and the extension plate 131 can be increased, and the limiting effect on the extension plate 131 can be improved; moreover, the friction force between the rubber layer and the extension plate 131 can be further increased by the anti-skid patterns, and the limiting effect on the extension plate 131 is further improved.
In the embodiment, guide rods 50 are fixedly connected to two sides of the lifting table 12, and the nut seat 33 is in sliding connection with the guide rods 50; by guiding the nut seat 33 by the guide rod 50, the vertical movement of the nut seat 33 can be stabilized.
The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (10)
1. A supporting device for tunnel construction comprises a base, a supporting top plate and an air cylinder; the method is characterized in that: a groove is vertically formed in the base, a lifting table is connected in the groove in a sliding mode, and a platform is arranged at the top of the lifting table; the supporting top plate is fixedly connected with the platform and is positioned above the platform; the cylinder is fixedly connected in the groove, and an output shaft of the cylinder is fixedly connected with the bottom of the lifting table; the surface both sides of platform all are equipped with the spout, and sliding connection has the extension board in the spout, still includes the adjustment mechanism who is used for driving the motion of extension board.
2. The supporting apparatus for tunnel construction according to claim 1, wherein: the adjusting mechanism comprises adjusting parts which are respectively arranged at two sides of the lifting platform, the adjusting parts comprise a motor, a screw rod and an arc-shaped groove which is arranged on the lifting platform, the motor is fixedly connected on the lifting platform, and an output shaft of the motor is fixedly connected with the screw rod; the screw is connected with a nut seat in a threaded manner, a transverse groove is formed in the nut seat, a transverse block is connected in a sliding manner in the transverse groove, and a first spring is arranged between the transverse block and the transverse groove; a linkage block is connected in the arc-shaped groove in a sliding way and fixedly connected with the transverse block; the nut seat is provided with a nut seat, and the nut seat is provided with a nut seat.
3. The supporting apparatus for tunnel construction according to claim 2, wherein: the linkage unit comprises a first wedge block and a vertical groove formed in the bottom of the platform, the first wedge block is fixedly connected to the nut seat, and the first wedge block is in sliding fit with the vertical groove; the extension plate is provided with a first wedge surface which is used for being extruded by the first wedge block, and the first wedge surface is positioned on the movement track of the first wedge block.
4. A supporting apparatus for tunnel construction according to claim 3, wherein: the transverse block is provided with a supporting block which is used for propping against the bottom of the extension plate, and the extension plate is positioned on the motion track of the supporting block.
5. The supporting device for tunnel construction according to claim 4, wherein: the top of the supporting block is provided with a rubber layer which is used for propping against the bottom of the extension plate, and the rubber layer is provided with anti-skid patterns.
6. The supporting device for tunnel construction according to claim 5, wherein: side grooves are formed in two sides of the platform and are communicated with the sliding grooves, stop blocks are connected to the side grooves in a sliding mode, and a second spring is arranged between the stop blocks and the platform; the side wall of the extension plate is provided with a stop groove which is in sliding fit with the stop block; the nut seat is provided with a nut seat, and the nut seat is provided with a stop block.
7. The supporting device for tunnel construction according to claim 6, wherein: the stop part comprises a rotating shaft, an arc-shaped rack and a guide groove arranged on the side wall of the platform, the rotating shaft is rotationally connected with the transverse block, the rotating shaft is fixedly connected with a swing arm and a gear meshed with the arc-shaped rack, and the arc-shaped rack is fixedly connected on the lifting platform; a second wedge block is connected in a sliding manner in the guide groove, a third spring is arranged between the second wedge block and the guide groove, and the second wedge block is positioned on the movement track of the swing arm; the stop block is provided with a second wedge surface which is used for being extruded by the second wedge block, and the second wedge surface is positioned on the movement track of the second wedge block.
8. The supporting device for tunnel construction according to claim 7, wherein: the horizontal distance between one end of the arc-shaped rack, which is close to the platform, and the platform is larger than the horizontal distance between the other end of the arc-shaped rack and the platform.
9. The supporting device for tunnel construction according to claim 8, wherein: the arc rack comprises an arc section and a straight section fixedly connected with the arc section, and the straight Duan Gao is arranged on the arc section.
10. The supporting apparatus for tunnel construction according to claim 9, wherein: rubber blocks for supporting the rotating shaft are arranged on two sides of the lifting table, the rubber blocks are located on the moving track of the rotating shaft, and the rubber blocks are located between the arc-shaped grooves and the straight sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310172559.1A CN116255172A (en) | 2023-02-28 | 2023-02-28 | Supporting equipment for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310172559.1A CN116255172A (en) | 2023-02-28 | 2023-02-28 | Supporting equipment for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116255172A true CN116255172A (en) | 2023-06-13 |
Family
ID=86682218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310172559.1A Pending CN116255172A (en) | 2023-02-28 | 2023-02-28 | Supporting equipment for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116255172A (en) |
-
2023
- 2023-02-28 CN CN202310172559.1A patent/CN116255172A/en active Pending
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