CN109356632B - Temporary supporting equipment for tunnel bridge construction - Google Patents
Temporary supporting equipment for tunnel bridge construction Download PDFInfo
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- CN109356632B CN109356632B CN201811313517.0A CN201811313517A CN109356632B CN 109356632 B CN109356632 B CN 109356632B CN 201811313517 A CN201811313517 A CN 201811313517A CN 109356632 B CN109356632 B CN 109356632B
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- 238000010276 construction Methods 0.000 title claims abstract description 66
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 88
- 238000003466 welding Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 239000002689 soil Substances 0.000 description 8
- 230000003139 buffering effect Effects 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
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- Architecture (AREA)
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Abstract
The invention relates to temporary supporting equipment for tunnel bridge construction, which comprises a bottom plate, wherein two fixing devices capable of limiting are symmetrically arranged at the front end and the rear end of the bottom plate, a lifting hydraulic cylinder is symmetrically arranged at the upper end of the bottom plate, the top end of the lifting hydraulic cylinder is arranged on a positioning plate through a flange, two adjusting devices are symmetrically arranged at the upper end of the positioning plate, an adjusting column is arranged between the two adjusting devices, a supporting device is arranged at the upper end of the adjusting column, and the fixing devices, the adjusting column and the supporting devices are matched with each other to finish the process of temporary supporting. The invention can solve the problems that the existing temporary support for tunnel and bridge construction needs to manually process materials such as concrete, steel frames and the like into temporary supports, the time consumption is long, the engineering progress is influenced, corresponding temporary supports need to be built aiming at construction surfaces with different structures, the labor intensity is high, the operation is complex, the resources are wasted, the working efficiency is low and the like, and can realize the function of automatically adjusting the temporary supports.
Description
The invention relates to a divisional application of a Chinese patent application with the application number of 2017102803588, which is filed on 26.04.2017 and is named as temporary supporting equipment special for a tunnel bridge.
Technical Field
The invention relates to the technical field of tunnel and bridge mechanical equipment, in particular to temporary supporting equipment for tunnel and bridge construction.
Background
In the process of tunnel bridge construction and excavation, due to the influence of factors such as soil quality, bearing capacity, drainage and the like, a specified construction position needs to be temporarily supported, so that the problems of engineering progress and life safety influenced by collapse, rock sliding and the like in the tunnel bridge construction process are prevented, most of the support modes in the tunnel bridge construction process at present are manual mode for processing materials such as concrete, steel frames and the like into temporary supports, the temporary supports have high strength and rigidity and can completely meet the requirement of safety construction, but the construction of the temporary supports consumes long time, the input material and labor are large, the progress of tunnel bridge construction is influenced, corresponding temporary supports are required to be built aiming at construction surfaces with different structures in the tunnel bridge construction process, the labor intensity of workers is large, the operation is complex, the working efficiency is low, and working errors exist in manual construction of the temporary supports, the stability of temporary support can not be guaranteed, and after the construction, the constructed temporary support needs to be dismantled, so that the temporary support can not be reused, and the resource waste is caused.
Disclosure of Invention
In order to solve the problems, the invention provides temporary support equipment for tunnel bridge construction, which can solve the problems that in the existing temporary support construction process of tunnel bridge construction, materials such as concrete, steel frames and the like are manually processed into temporary supports, the time consumption is long, the investment is large, the engineering progress is influenced, corresponding temporary supports need to be built for construction surfaces with different structures, the labor intensity of workers is high, the operation is complex, the temporary supports cannot be reused, the resources are wasted, the working efficiency is low and the like, can realize the automatic adjustment function of the temporary supports, has a simple and light structure, does not need manual operation, cannot influence the construction progress of the tunnel bridge, and has the advantages of recycling, resource saving, low consumption, capability of guaranteeing the support stability, simplicity in operation, high working efficiency and the like.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a temporary supporting device for tunnel bridge construction comprises a bottom plate, wherein four universal wheels are symmetrically arranged on the front side and the rear side of the lower end of the bottom plate, a push handle is arranged on the rear side of the upper end of the bottom plate, the four universal wheels are matched with the push handle to assist workers in moving the temporary supporting device, two fixing devices capable of limiting the position are symmetrically arranged on the front end and the rear end of the bottom plate, the two fixing devices play a supporting role on the bottom plate and can limit the position of the four universal wheels, four lifting hydraulic cylinders are symmetrically arranged on the upper end of the bottom plate, the top end of each lifting hydraulic cylinder is arranged on a positioning plate through a flange, the four lifting hydraulic cylinders synchronously work to drive the positioning plate to perform height adjustment, two adjusting devices are symmetrically arranged on the left side and the right side of the upper end of the positioning plate, an adjusting column is arranged between the two adjusting devices, the upper end of regulation post has strutting arrangement through welding mode fixed mounting, strutting arrangement can strut appointed operating position, two fixing device have played the effect of support to the bottom plate, can carry out the position to four universal wheels simultaneously and prescribe a limit to, two adjusting device simultaneous working drive regulation posts carry out angle modulation, strutting arrangement can strut appointed operating position, fixing device, adjusting device, regulation post and strutting arrangement use the technology of accomplishing tunnel bridge temporary support each other.
The supporting device comprises a supporting plate fixedly installed on an adjusting column in a welding mode, a limiting column is installed on the side walls of the left end and the right end of the supporting plate, four parallel mechanisms are symmetrically installed at the upper end of the supporting plate, the upper ends of the four parallel mechanisms are installed on an auxiliary plate, a plurality of rows of supporting mechanisms are evenly installed at the upper end of the auxiliary plate from front to back, the upper ends of the supporting mechanisms are installed on a bearing plate made of flexible materials, a rotary hydraulic cylinder on the parallel mechanisms forms a kinematic pair R pair when rotating, a kinematic pair P pair is formed when the rotary hydraulic cylinder stretches and retracts, a kinematic pair R pair is formed when the rotary hydraulic cylinder rotates on a fourth ear seat, so that four third ear seats, four rotary hydraulic cylinders and four fourth ear seats are four 4-RPR type parallel branch chains of the parallel mechanisms, and an annular top plate is a movable platform of the parallel mechanisms, the annular panel is a fixed platform of a parallel mechanism, the 4-RPR type parallel mechanism is formed by the fixed platform, four 4-RPR type parallel branch chains and a movable platform, the 4-RPR type parallel mechanism has the advantages of good stability, good dynamic performance, high precision, strong rigidity, large bearing capacity and the like, the annular top plate is arranged on the auxiliary plate, the four parallel mechanisms simultaneously and effectively support the supporting mechanism on the auxiliary plate during working, three supporting hydraulic cylinders on the supporting mechanism synchronously work, the three hydraulic cylinders respectively move upwards and downwards differently according to the actual situation of the construction position, so that the bearing plate made of flexible materials can be completely attached to the construction position, the bearing plate can effectively support the construction position, the supporting mechanisms on the auxiliary plate synchronously work and can be respectively adjusted according to different situations, and the bearing plate can comprehensively support the construction position, the 4-RPR type parallel mechanism has the advantages of good stability, good dynamic performance, large bearing capacity and the like, improves the stability of supporting the construction position, does not need manual assembly and disassembly, reduces the labor intensity of workers and improves the working efficiency.
As a preferred technical scheme of the invention, the fixing device comprises an adjusting plate connected with a bottom plate through a pin shaft, the inner wall of the adjusting plate is connected with the top end of a fixed hydraulic cylinder through the pin shaft, the bottom end of the fixed hydraulic cylinder is installed on the bottom plate through a bearing, the lower end of the adjusting plate is fixedly installed on a limiting plate, the limiting plate is provided with limiting grooves, the limiting grooves correspond to universal wheels one by one, the width of the limiting grooves is larger than the width of the universal wheels, the limiting plate can effectively fix and limit the universal wheels, the lower end of the limiting plate is uniformly provided with a fixed spring, the lower end of the fixed spring is installed on a fixing frame, the fixing frame is an L-shaped structure which is bent inwards in an arc shape, the fixed hydraulic cylinder drives the adjusting plate to rotate on the pin shaft, the adjusting plate drives the limiting plate to synchronously, meanwhile, the limiting plate drives the fixing frame to move so that the fixing frame is tightly attached to the ground, the fixing spring plays a role in buffering the fixing frame, and the lower end of the fixing frame is fully tightly attached to the ground, so that the contact area between the universal wheel and the fixing frame is increased, the universal wheel cannot be sunk into soil on the ground with soft soil, the supporting force on the universal wheel is increased, the working stability is improved, and meanwhile, after the supporting is finished, a worker can conveniently move the universal wheel support.
As a preferred technical scheme of the invention, the adjusting device comprises a vertical plate arranged on the outer side of the upper end of a positioning plate, a limiting groove in an arc structure is arranged on the vertical plate, a limiting post is positioned in the limiting groove, the limiting post and the limiting groove are matched for use to limit the position of the adjusting post, a rotating shaft is arranged in the middle of the vertical plate through a bearing, the inner side of the rotating shaft is fixedly arranged on the adjusting post, positioning posts are uniformly arranged on the side wall of the adjusting post, racks are uniformly arranged on the inner wall of the adjusting post along the central axis of the adjusting post, gears are meshed on the racks and are arranged on the output shaft of an adjusting motor, the adjusting motor is arranged on the upper end of the side wall of the vertical plate through a motor base, a positioning cylinder is arranged at the lower end of the side wall of the vertical plate, the top end of the positioning cylinder is, the adjusting motor drives the gear to rotate on the rack, the adjusting motor is fixed, two adjusting motors on two adjusting devices work simultaneously, the adjusting column rotates on two vertical plates through a rotating shaft, the adjusting column drives two limiting columns on the supporting plate to move in corresponding limiting grooves while rotating, the limiting columns can only move in the limiting grooves, the limiting columns are matched with the limiting grooves to be used for limiting the adjusting columns, the positioning cylinder drives the limiting barrel to move in a telescopic mode, the limiting barrel is sleeved with the positioning column, the adjusting column is ensured to be fixed at a designated working position, the working stability is improved, manual operation is not needed, the angle adaptive to automatic adjustment of the working position is adjusted, and the stability for supporting the construction position is improved.
As a preferred technical scheme of the invention, the parallel mechanism comprises an annular panel arranged on a supporting plate, four third lug seats are uniformly arranged on the annular panel, each third lug seat is connected with a rotary hydraulic cylinder through a pin shaft, the top end of each rotary hydraulic cylinder is connected with one fourth lug seat through a pin shaft, the four fourth lug seats connected with the top end of the rotary hydraulic cylinder through a pin shaft are arranged on the lower end surface of an annular top plate, the annular top plate is arranged on an auxiliary plate, the rotary hydraulic cylinder forms a kinematic pair R pair when in rotation, the rotary hydraulic cylinder forms a kinematic pair P pair when in telescopic motion, the rotary hydraulic cylinder forms a kinematic pair R pair when in rotation on the fourth lug seat, so that the four third lug seats, the four rotary hydraulic cylinders and the four fourth lug seats are four 4-RPR type parallel branch chains of the parallel mechanism, and the annular top plate is a movable platform of the parallel mechanism, the annular panel is a fixed platform of a parallel mechanism, the 4-RPR type parallel mechanism is formed by the fixed platform, the four 4-RPR type parallel branch chains and the movable platform, the 4-RPR type parallel mechanism has the advantages of good stability, good dynamic performance, high precision, strong rigidity, large bearing capacity and the like, the annular top plate is arranged on the auxiliary plate, the four parallel mechanisms effectively support the supporting mechanism on the auxiliary plate simultaneously during work, the 4-RPR type parallel mechanism has the advantages of good stability, good dynamic performance, large bearing capacity and the like, and when the position needing to be constructed is supported, the four parallel mechanisms drive the auxiliary plate to automatically adjust to the angle adapting to the construction position, so that the time is saved, the labor intensity of workers is reduced, and the work efficiency is improved.
As a preferred technical scheme of the invention, the supporting mechanism comprises three supporting hydraulic cylinders arranged on an auxiliary plate, the top ends of the three supporting hydraulic cylinders are arranged on a bearing plate through flanges, two supporting springs are symmetrically arranged at the left end and the right end of the bearing plate, the lower ends of the supporting springs are arranged on the auxiliary plate, the three supporting hydraulic cylinders synchronously work, the three hydraulic cylinders respectively move in the vertical direction according to the actual situation of the construction position, so that the bearing plate made of flexible materials can be comprehensively attached to the construction position, the bearing plate can be ensured to effectively support the construction position, the supporting mechanisms on the auxiliary plate synchronously work and are respectively adjusted according to different situations, the bearing plate can comprehensively support the construction position, the labor intensity of workers is reduced, and the working stability is improved.
When the device works, a worker pushes the device to move to a designated working position under the assistance of the four universal wheels and the push handle, then the two fixing devices start to work simultaneously, the fixing hydraulic cylinders on the fixing devices drive the adjusting plates to rotate on the pin shafts, the adjusting plates drive the limiting plates to rotate synchronously, the limiting grooves on the limiting plates clamp the universal wheels, the two limiting plates on the two fixing devices simultaneously fix the universal wheels, the four universal wheels are ensured to be kept in a fixed state, meanwhile, the limiting plates drive the fixing frame to move, the fixing frame is tightly attached to the ground, the fixing springs play a role in buffering the fixing frame, the lower ends of the fixing frame are fully and tightly attached to the ground, the contact area between the device and the device is increased, the universal wheels cannot be sunk into the soil on the soft ground, the supporting force of the device is increased, and the four lifting hydraulic cylinders synchronously work to drive the positioning, the support device is enabled to move to a proper working position, then the adjusting device drives the adjusting column to be automatically adjusted according to the angle of a construction surface to be supported, the adjusting motor on the adjusting device drives the gear to rotate on the rack, the adjusting motor is fixed and fixed, two adjusting motors on the two adjusting devices work simultaneously, the adjusting column rotates on the two vertical plates through the rotating shaft, the adjusting column rotates and drives the two limiting columns on the supporting plate to move in corresponding limiting grooves, the limiting columns can only move in the limiting grooves, the limiting columns and the limiting grooves are matched to play a limiting role in the adjusting column, the positioning cylinder drives the limiting cylinders to move in a telescopic mode, the limiting cylinders are sleeved on the positioning columns, the adjusting column is enabled to be fixed at the appointed working position, then four parallel mechanisms on the support device start to work, and the rotary hydraulic cylinders on the parallel mechanisms form kinematic pair R pair, The invention forms a kinematic pair P pair when the rotary hydraulic cylinder extends and retracts, a kinematic pair R pair when the rotary hydraulic cylinder rotates on the four ear seats, thereby leading the four three ear seats, the four rotary hydraulic cylinders and the four ear seats to be four 4-RPR type parallel branch chains of a parallel mechanism, the annular top plate to be a movable platform of the parallel mechanism, and the annular panel to be a fixed platform of the parallel mechanism, the invention forms the 4-RPR type parallel mechanism by the fixed platform, the four 4-RPR type parallel branch chains and the movable platform, the 4-RPR type parallel mechanism has the advantages of good stability, good dynamic performance, high precision, strong rigidity, large bearing capacity and the like, the annular top plate is arranged on the auxiliary plate, the four parallel mechanisms simultaneously effectively support the supporting mechanism on the auxiliary plate during the work, meanwhile, the supporting mechanism on the supporting device synchronously works, and the three hydraulic cylinders on the supporting mechanism synchronously work, the three hydraulic cylinders move up and down differently according to the actual conditions of the construction position, so that the bearing plate made of flexible materials can be completely attached to the construction position, the bearing plate can effectively support the construction position, the supporting mechanisms on the auxiliary plates work synchronously, and the supporting mechanisms can be adjusted according to different conditions, so that the bearing plate can support the construction position comprehensively, and the function of temporary support automatic adjustment can be realized.
The beneficial stability of the invention is:
the invention can solve the problems that in the construction process of the existing temporary support for tunnel bridge construction, materials such as concrete and steel frames are manually processed into the temporary support, the consumed time is long, the investment is large, the engineering progress is influenced, corresponding temporary supports are required to be built aiming at construction surfaces with different structures, the labor intensity of workers is large, the operation is complex, the temporary support cannot be repeatedly used, resources are wasted, the working efficiency is low and the like, can realize the automatic adjustment function of the temporary support, has a simple and light structure, does not need manual operation, cannot influence the construction progress of the tunnel bridge, and has the advantages of repeated utilization, resource saving, low consumption, capability of ensuring the support stability, simple operation, high working efficiency and the like;
2. the supporting device is designed, the four parallel mechanisms on the supporting device are matched with the supporting mechanism for use, the 4-RPR type parallel mechanism has the advantages of good stability, good dynamic performance, large bearing capacity and the like, the stability of supporting the construction position is improved, the supporting mechanism synchronously works and is respectively adjusted according to different conditions, so that the bearing plate can comprehensively support the construction position, a temporary support does not need to be constructed manually, and the labor intensity of workers is reduced;
3. the invention designs two fixing devices capable of limiting, the two fixing devices can ensure that the universal wheels are kept in a fixed state, meanwhile, the contact area between the fixing devices and the ground is increased, the universal wheels cannot be sunk into soil on the ground with soft soil, the supporting force on the fixing devices is increased, the working stability is improved, and meanwhile, after the support is finished, workers can move the fixing device conveniently.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the full-section structure of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
As shown in figures 1 to 2, the temporary supporting equipment for tunnel bridge construction comprises a bottom plate 1, four universal wheels 2 are symmetrically arranged on the front side and the rear side of the lower end of the bottom plate 1, a push handle 9 is arranged on the rear side of the upper end of the bottom plate 1, the four universal wheels 2 are matched with the push handle 9 to assist a worker to move the temporary supporting equipment, two fixing devices 3 capable of limiting are symmetrically arranged on the front end and the rear end of the bottom plate 1, the two fixing devices 3 play a role of supporting the bottom plate 1 and can limit the positions of the four universal wheels 2 at the same time, four lifting hydraulic cylinders 4 are symmetrically arranged on the upper end of the bottom plate 1, the top end of each lifting hydraulic cylinder 4 is arranged on a positioning plate 5 through a flange, the four lifting hydraulic cylinders 4 synchronously work to drive the positioning plate 5 to adjust the height, two adjusting devices 6 are symmetrically arranged on the left side and, adjust the I-shaped structure of post 7 cross section for controlling the inside concave yield in both ends, two adjusting device 6 simultaneous working drive adjust post 7 and carry out angle modulation, there is strutting arrangement 8 upper end of adjusting post 7 through welding mode fixed mounting, strutting arrangement 8 can strut appointed operating position, two fixing device 3 have played the effect of support to bottom plate 1, can carry out the position to four universal wheels 2 simultaneously and prescribe a limit to, two adjusting device 6 simultaneous working drive adjust post 7 and carry out angle modulation, strutting arrangement 8 can strut appointed operating position, fixing device 3, adjusting device 6, adjust post 7 and strutting arrangement 8 mutually support and use the technology of accomplishing tunnel bridge temporary support.
The supporting device 8 comprises a supporting plate 81 fixedly installed on the adjusting column 7 in a welding mode, a limiting column 86 is installed on the side wall of the left end and the right end of the supporting plate 81, four parallel mechanisms 82 are symmetrically installed at the upper end of the supporting plate 81, the upper ends of the four parallel mechanisms 82 are installed on an auxiliary plate 83, a plurality of rows of supporting mechanisms 84 are evenly installed at the upper end of the auxiliary plate 83 from front to back, the upper ends of the supporting mechanisms 84 are installed on a bearing plate 85 made of flexible materials, a rotary hydraulic cylinder 823 on the parallel mechanisms 82 forms a kinematic pair R pair when rotating, a kinematic pair P pair is formed when the rotary hydraulic cylinder 823 does telescopic motion, a kinematic pair R pair is formed when the rotary hydraulic cylinder 823 rotates on a fourth ear seat 824, and therefore the four third ear seats 822, the four rotary hydraulic cylinders 823 and the four fourth ear seats 824 are four 4-RPR type parallel branch chains of the parallel mechanisms, the annular top plate 825 is a movable platform of the parallel mechanism 82, the annular panel 821 is a fixed platform of the parallel mechanism 82, the 44-RPR type parallel mechanism 82 is formed by the fixed platform, the four 4-RPR type parallel branch chains and the movable platform, the 44-RPR type parallel mechanism 82 has the advantages of good stability, good dynamic performance, high precision, strong rigidity, large bearing capacity and the like, the annular top plate 825 is arranged on the auxiliary plate 83, the four parallel mechanisms 82 effectively support the supporting mechanism 84 on the auxiliary plate 83 simultaneously during working, three supporting hydraulic cylinders on the supporting mechanism 84 synchronously work, the three hydraulic cylinders respectively move in the up and down directions in different directions according to the actual conditions of the construction position, the bearing plate 85 made of flexible materials can be completely attached to the construction position, the bearing plate 85 can effectively support the construction position, the supporting mechanism 84 on the auxiliary plate 83 synchronously works, the support plate 85 supports the construction position comprehensively by adjusting according to different conditions, and the 44-RPR type parallel mechanism 82 has the advantages of good stability, good dynamic performance, large bearing capacity and the like, so that the stability of supporting the construction position is improved, manual installation and disassembly are not needed, the labor intensity of workers is reduced, and the working efficiency is improved.
The fixing device 3 comprises an adjusting plate 31 connected with the bottom plate 1 through a pin shaft, the inner wall of the adjusting plate 31 is connected with the top end of a fixed hydraulic cylinder 32 through a pin shaft, the bottom end of the fixed hydraulic cylinder 32 is installed on the bottom plate 1 through a bearing, the lower end of the adjusting plate 31 is fixedly installed on a limiting plate 33, the limiting plate 33 is provided with limiting grooves, the limiting grooves correspond to the universal wheels 2 one by one, the width of the limiting grooves is larger than the width of the universal wheels 2, the limiting plate 33 can effectively fix and limit the universal wheels 2, the lower end of the limiting plate 33 is uniformly provided with a fixed spring 34, the lower end of the fixed spring 34 is installed on a fixed frame 35, the fixed frame 35 is an L-shaped structure which is inwards bent in an arc shape, the fixed hydraulic cylinder 32 drives the adjusting plate 31 to rotate on the pin shaft, the adjusting plate 31, the universal wheel 2 is ensured to be kept in a fixed state, meanwhile, the limiting plate 33 drives the fixing frame 35 to move, the fixing frame 35 is tightly attached to the ground, the fixing spring 34 plays a role in buffering the fixing frame 35, the lower end of the fixing frame 35 is fully tightly attached to the ground, the contact area between the universal wheel 2 and the fixing frame is increased, the universal wheel 2 cannot be sunk into soil on the ground with soft soil, the supporting force on the universal wheel is increased, the working stability is improved, and meanwhile, after the supporting is convenient to finish, a worker can move the universal wheel support device.
The adjusting device 6 comprises a vertical plate 61 arranged on the outer side of the upper end of the positioning plate 5, a limiting groove in an arc structure is arranged on the vertical plate 61, a limiting column 86 is positioned in the limiting groove, the limiting column 86 and the limiting groove are matched for use to limit the adjusting column 7, a rotating shaft 62 is arranged in the middle of the vertical plate 61 through a bearing, the inner side of the rotating shaft 62 is fixedly arranged on the adjusting column 7, positioning columns 63 are uniformly arranged on the side wall of the adjusting column 7, racks 64 are uniformly arranged on the inner wall of the adjusting column 7 along the central axis of the adjusting column 7, a gear 65 is meshed with the racks 64, the gear 65 is arranged on an output shaft of the adjusting motor 66, the adjusting motor 66 is arranged on the upper end of the side wall of the vertical plate 61 through a motor base, a positioning cylinder 67 is arranged at the lower end of the side wall of the vertical plate 61, the top, the diameter of the inner wall of the limiting cylinder 69 is larger than that of the positioning column 63, the adjusting motor 66 drives the gear 65 to rotate on the rack 64, the adjusting motor 66 is fixed, the two adjusting motors 66 on the two adjusting devices work simultaneously, so that the adjusting column 7 rotates on the two vertical plates 61 through the rotating shaft, the adjusting column 7 drives the two limiting columns 86 on the supporting plate 81 to move in corresponding limiting grooves while rotating, so that the limiting columns 86 can only move in the limiting grooves, the limiting columns 86 are matched with the limiting grooves to play a limiting role on the adjusting column 7, the positioning cylinder 67 drives the limiting cylinder 69 to move in a telescopic way, so that the positioning column 63 is sleeved by the limiting cylinder 69, the adjusting column 7 is ensured to be fixed at a designated working position, the working stability is improved, and manual operation is not needed, the adaptive angle is automatically adjusted according to the working position, and the stability of supporting the construction position is improved.
The parallel mechanism 82 comprises an annular panel 821 arranged on a supporting plate 81, four third lug seats 822 are uniformly arranged on the annular panel 821, each third lug seat 822 is connected with a rotary hydraulic cylinder 823 through a pin shaft, the top end of each rotary hydraulic cylinder 823 is connected with a fourth lug seat 824 through a pin shaft, four fourth lug seats 824 connected with the top end of the rotary hydraulic cylinder 823 through pin shafts are arranged on the lower end face of an annular top plate 825, the annular top plate 825 is arranged on an auxiliary plate 83, the rotary hydraulic cylinder 823 forms a kinematic pair R pair when rotating, the rotary hydraulic cylinder 823 forms a kinematic pair P pair when in telescopic motion, the rotary hydraulic cylinder 823 forms a kinematic pair R pair when rotating on the fourth lug seat 824, and therefore the four third lug seats 822, the four rotary hydraulic cylinders 823 and the four fourth lug seats 824 are four 4-RPR type parallel branched chains of the parallel mechanism, the annular top plate 825 is a movable platform of the parallel mechanism 82, the annular panel 821 is a fixed platform of the parallel mechanism 82, the 44-RPR type parallel mechanism 82 is formed by the fixed platform, the four 4-RPR type parallel branch chains and the movable platform, the 44-RPR type parallel mechanism 82 has the advantages of good stability, good dynamic performance, high precision, strong rigidity, large bearing capacity and the like, the annular top plate 825 is arranged on the auxiliary plate 83, the four parallel mechanisms 82 effectively support the supporting mechanism 84 on the auxiliary plate 83 simultaneously during working, and the 44-RPR type parallel mechanism 82 has the advantages of good stability, good dynamic performance, large bearing capacity and the like, when the position to be constructed is supported, the four parallel mechanisms 82 drive the auxiliary plates 83 to automatically adjust to the angle adaptive to the construction position, so that the time is saved, the labor intensity of workers is reduced, and the working efficiency is improved.
The supporting mechanism 84 comprises three supporting hydraulic cylinders 842 installed on an auxiliary plate 83, the top ends of the three supporting hydraulic cylinders 842 are installed on the bearing plate 85 through flanges, two supporting springs 841 are symmetrically installed at the left end and the right end of the bearing plate 85, the lower ends of the supporting springs 841 are installed on the auxiliary plate 83, the three supporting hydraulic cylinders work synchronously, the three hydraulic cylinders move towards the upper direction and the lower direction respectively according to the actual situation of the construction position, the bearing plate 85 made of flexible materials can be completely attached to the construction position, the bearing plate 85 can be effectively supported on the construction position, the supporting mechanism 84 on the auxiliary plate 83 works synchronously, the supporting mechanism can be adjusted respectively according to different situations, the bearing plate 85 can be comprehensively supported on the construction position, the labor intensity of workers is reduced, and the working stability is improved.
When the universal wheel fixing device works, a worker pushes the universal wheel fixing device to move to a designated working position under the assistance of the four universal wheels 2 and the push handle 9, then the two fixing devices 3 start to work simultaneously, the fixing hydraulic cylinders 32 on the fixing devices 3 drive the adjusting plates 31 to rotate on the pin shafts, the adjusting plates 31 drive the limiting plates 33 to synchronously rotate, the universal wheels 2 are clamped by the limiting grooves on the limiting plates 33, the universal wheels 2 are simultaneously fixed by the two limiting plates 33 on the two fixing devices 3, the four universal wheels 2 are ensured to be in a fixed state, meanwhile, the fixing frames 35 are driven by the limiting plates 33 to move, the fixing frames 35 are tightly attached to the ground, the fixing springs 34 play a buffering role on the fixing frames 35, the lower ends of the fixing frames 35 are fully tightly attached to the ground, the contact area between the universal wheel fixing device and the universal wheel fixing device is increased, the supporting force of the invention is increased, then the four lifting hydraulic cylinders 4 work synchronously to drive the positioning plate 5 to adjust the height, so that the supporting device 8 moves to a proper working position, then the adjusting device 6 drives the adjusting post 7 to automatically adjust according to the angle of the construction surface to be supported, the adjusting motor 66 on the adjusting device 6 drives the gear 65 to rotate on the rack 64, the adjusting motor 66 is fixed, the two adjusting motors 66 on the two adjusting devices work simultaneously, so that the adjusting post 7 rotates on the two vertical plates 61 through a rotating shaft, the adjusting post 7 rotates and simultaneously drives the two limiting posts 86 on the supporting plate 81 to move in corresponding limiting grooves, so that the limiting posts 86 can only move in the limiting grooves, the limiting posts 86 are matched with the limiting grooves to play a limiting role on the adjusting post 7, and the positioning cylinder 67 drives the limiting barrel 69 to move telescopically, the positioning column 63 is sleeved by the limiting cylinder 69 to ensure that the adjusting column 7 is fixed at the designated working position, then the four parallel mechanisms 82 on the supporting device 8 start to work, the rotary hydraulic cylinder 823 on the parallel mechanism 82 forms a kinematic pair R pair when rotating, a kinematic pair P pair when the rotary hydraulic cylinder 823 moves telescopically, and a kinematic pair R pair when the rotary hydraulic cylinder 823 rotates on the fourth lug seat 824, so that the four third lug seats 822, the four rotary hydraulic cylinders 823 and the four fourth lug seats 824 are four 4-RPR type parallel branch chains of the parallel mechanism, the annular top plate 825 is a movable platform of the parallel mechanism 82, and the annular panel 821 is a fixed platform of the parallel mechanism 82 The annular top plate 825 is mounted on the auxiliary plate 83, the four parallel mechanisms 82 simultaneously and effectively support the supporting mechanism 84 on the auxiliary plate 83 during operation, the supporting mechanism 84 on the supporting device 8 synchronously operates at the same time, three supporting hydraulic cylinders on the supporting mechanism 84 synchronously operate, the three hydraulic cylinders respectively move in the up and down directions according to the actual conditions of the construction position, so that the bearing plate 85 made of flexible materials can be completely attached to the construction position, the bearing plate 85 can effectively support the construction position, the supporting mechanism 84 on the auxiliary plate 83 synchronously operates and is respectively adjusted according to different conditions, the bearing plate 85 can comprehensively support the construction position, the automatic adjustment function of temporary support is realized, and the problems that materials such as concrete, steel frames and the like are manually processed into temporary supports in the temporary support construction process of the existing tunnel bridge construction are solved, The method has the advantages of long consumed time, large investment, influence on the project progress, need of building corresponding temporary supports aiming at construction surfaces with different structures, large labor intensity of workers, complex operation, incapability of being repeatedly used, resource waste, low working efficiency and the like, and achieves the aim.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides a tunnel bridge builds temporary support equipment which characterized in that: comprises a bottom plate (1), four universal wheels (2) are symmetrically arranged on the front side and the rear side of the lower end of the bottom plate (1), a push handle (9) is arranged on the rear side of the upper end of the bottom plate (1), two fixing devices (3) capable of limiting are symmetrically arranged on the front end and the rear end of the bottom plate (1), four lifting hydraulic cylinders (4) are symmetrically arranged on the upper end of the bottom plate (1), the top end of each lifting hydraulic cylinder (4) is arranged on a positioning plate (5) through a flange, two adjusting devices (6) are symmetrically arranged on the left side and the right side of the upper end of the positioning plate (5), an adjusting column (7) is arranged between the two adjusting devices (6), the cross section of the adjusting column (7) is of an I-shaped structure with the left end and the, the fixing device (3), the adjusting device (6), the adjusting column (7) and the supporting device (8) are matched with each other to finish the process of temporary supporting the tunnel bridge;
the supporting device (8) comprises a supporting plate (81) fixedly mounted on the adjusting column (7) in a welding mode, a limiting column (86) is mounted on the side walls of the left end and the right end of the supporting plate (81), four parallel mechanisms (82) are symmetrically mounted at the upper end of the supporting plate (81), the upper ends of the four parallel mechanisms (82) are mounted on an auxiliary plate (83), a plurality of rows of supporting mechanisms (84) are uniformly mounted at the upper end of the auxiliary plate (83) from front to back, and the upper ends of the supporting mechanisms (84) are mounted on a bearing plate (85) made of flexible materials;
the fixing device (3) comprises an adjusting plate (31) connected with the bottom plate (1) through a pin shaft, the inner wall of the adjusting plate (31) is connected with the top end of a fixed hydraulic cylinder (32) through the pin shaft, the bottom end of the fixed hydraulic cylinder (32) is installed on the bottom plate (1) through a bearing, the lower end of the adjusting plate (31) is fixedly installed on a limiting plate (33), a limiting groove is formed in the limiting plate (33) and corresponds to the universal wheel (2) one by one, fixing springs (34) are evenly installed at the lower end of the limiting plate (33), the lower end of each fixing spring (34) is installed on a fixing frame (35), and each fixing frame (35) is of an L-shaped structure which is inwards bent in an;
the adjusting device (6) comprises a vertical plate (61) arranged on the outer side of the upper end of the positioning plate (5), a limiting groove in an arc structure is arranged on the vertical plate (61), a limiting column (86) is positioned in the limiting groove, a rotating shaft (62) is arranged in the middle of the vertical plate (61) through a bearing, the inner side of the rotating shaft (62) is fixedly arranged on the adjusting column (7), positioning columns (63) are uniformly arranged on the side wall of the adjusting column (7), racks (64) are uniformly arranged on the inner wall of the adjusting column (7) along the central axis of the adjusting column (7), gears (65) are meshed on the racks (64), the gears (65) are arranged on an output shaft of the adjusting motor (66), the adjusting motor (66) is arranged at the upper end of the side wall of the vertical plate (61) through a motor base, a positioning cylinder (67) is arranged at the lower end of the side wall of the vertical plate (61, a limiting cylinder (69) is arranged on the side wall of the transverse plate (68), and the diameter of the inner wall of the limiting cylinder (69) is larger than that of the positioning column (63);
parallel mechanism (82) are including installing annular panel (821) on backup pad (81), evenly install four No. three ear seats (822) on annular panel (821), every No. three ear seat (822) all link to each other with a rotary hydraulic cylinder (823) through the round pin axle, the top of every rotary hydraulic cylinder (823) all links to each other with a No. four ear seats (824) through the round pin axle, all install on the lower terminal surface of annular roof (825) through four No. four ear seats (824) that the round pin axle links to each other with rotary hydraulic cylinder (823) top, install on subplate (83) annular roof (825).
2. The temporary support apparatus for tunnel bridge construction according to claim 1, wherein: the supporting mechanism (84) comprises three supporting hydraulic cylinders (842) arranged on the auxiliary plate (83), the top ends of the three supporting hydraulic cylinders (842) are arranged on the bearing plate (85) through flanges, two supporting springs (841) are symmetrically arranged at the left end and the right end of the bearing plate (85), and the lower ends of the supporting springs (841) are arranged on the auxiliary plate (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313517.0A CN109356632B (en) | 2017-04-26 | 2017-04-26 | Temporary supporting equipment for tunnel bridge construction |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710280358.8A CN107059634B (en) | 2017-04-26 | 2017-04-26 | A kind of dedicated gib equipment of tunnel bridge |
| CN201811313517.0A CN109356632B (en) | 2017-04-26 | 2017-04-26 | Temporary supporting equipment for tunnel bridge construction |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710280358.8A Division CN107059634B (en) | 2017-04-26 | 2017-04-26 | A kind of dedicated gib equipment of tunnel bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109356632A CN109356632A (en) | 2019-02-19 |
| CN109356632B true CN109356632B (en) | 2020-06-26 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710280358.8A Expired - Fee Related CN107059634B (en) | 2017-04-26 | 2017-04-26 | A kind of dedicated gib equipment of tunnel bridge |
| CN201811313517.0A Active CN109356632B (en) | 2017-04-26 | 2017-04-26 | Temporary supporting equipment for tunnel bridge construction |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710280358.8A Expired - Fee Related CN107059634B (en) | 2017-04-26 | 2017-04-26 | A kind of dedicated gib equipment of tunnel bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107059634B (en) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107348701A (en) * | 2017-08-23 | 2017-11-17 | 浙江安吉忠鑫家具有限公司 | A kind of Mobile bookshelf |
| CN107522018A (en) * | 2017-09-26 | 2017-12-29 | 浙江德通科技有限公司 | A kind of super soft low-loss phase-compensated cable |
| CN107795327B (en) * | 2017-09-28 | 2019-06-21 | 湖北长江路桥股份有限公司 | A kind of constructing tunnel support device |
| CN108386219B (en) * | 2018-04-18 | 2023-08-11 | 招商局重庆交通科研设计院有限公司 | Supporting system of tunnel supporting structure and operation method |
| CN108625294B (en) * | 2018-06-20 | 2019-11-01 | 德通建设集团有限公司 | One kind builds a bridge efficient construction equipment |
| CN108915738B (en) * | 2018-07-12 | 2020-02-07 | 西安科技大学 | Temporary supporting device for tunnel face |
| CN109595017A (en) * | 2018-11-23 | 2019-04-09 | 贵州大学 | A kind of tunnel top support device of the constructing tunnel with defencive function |
| CN109441501B (en) * | 2018-12-08 | 2020-05-26 | 成都鑫都建设工程有限公司 | Subway tunnel anti-collapse construction method |
| CN109441013B (en) * | 2018-12-19 | 2023-10-20 | 中建八局第一建设有限公司 | Angle adjusting device for concrete diagonal column construction |
| CN110067576B (en) * | 2019-05-05 | 2021-10-01 | 厦门鹭恒达建筑工程有限公司 | Extrusion expansion rock highway tunnel supporting device |
| CN110043299A (en) * | 2019-05-14 | 2019-07-23 | 江苏中贵重工有限公司 | A kind of suspension device and roofboltier |
| CN110307023B (en) * | 2019-06-28 | 2020-11-03 | 徐州锋通信息科技有限公司 | A convenient to use type protector for tunnel construction |
| CN110566249A (en) * | 2019-10-14 | 2019-12-13 | 胡俏俊 | Temporary support for coal mine tunnel |
| CN110748177A (en) * | 2019-10-28 | 2020-02-04 | 罗丽芳 | Assembled steel truss is built and is removed interim supporting equipment |
| CN110777660A (en) * | 2019-10-28 | 2020-02-11 | 中交路桥建设有限公司 | Vehicle-mounted bridge telescopic support for bridge support and support method thereof |
| CN111594248B (en) * | 2020-05-28 | 2021-05-28 | 张世敏 | Special temporary support equipment for tunnel bridge |
| CN111828061B (en) * | 2020-08-31 | 2021-07-09 | 济宁明顺达矿业机械制造有限公司 | Temporary reinforcing and supporting device for coal mine tunnel in coal mining excavation |
| CN112062028B (en) * | 2020-09-03 | 2021-11-30 | 胡海明 | Jacking equipment for bridge construction |
| CN112696213B (en) * | 2021-01-19 | 2022-10-28 | 中铁九局集团有限公司 | Tunnel supporting structure and construction method thereof |
| 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 |
| CN113833509A (en) * | 2021-10-14 | 2021-12-24 | 中国煤炭科工集团太原研究院有限公司 | Crawler-type supporting robot |
| CN113958355B (en) * | 2021-11-19 | 2024-04-12 | 中国铁建大桥工程局集团有限公司 | Steel frame structure for tunnel support |
| CN116575965B (en) * | 2023-07-14 | 2023-09-19 | 山西联盛科技有限公司 | Collapse-preventing tunnel refuge protection equipment and protection method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1425344A1 (en) * | 1986-05-30 | 1988-09-23 | Тульский Политехнический Институт | Apparatus for steering the base of cutter-loader in seam profile |
| CN201915980U (en) * | 2011-01-23 | 2011-08-03 | 湖南科技大学 | Mine temporary support device for roadway excavation |
| CN103867223B (en) * | 2014-02-24 | 2016-06-01 | 欧亚伟 | Hacking shed tunnel is with suspended back timber hydraulic prop device |
| CN104695996B (en) * | 2015-02-12 | 2018-04-03 | 武文成 | It is a kind of to carry entirely from anti-skidding hydraulic support of being shifted elsewhere for garrison duty |
| CN205936634U (en) * | 2016-07-05 | 2017-02-08 | 重庆建工市政交通工程有限责任公司 | Big section joint rock mass subway tunnel supporting construction of little clean distance |
| CN106002952B (en) * | 2016-07-06 | 2018-05-15 | 吉林大学 | A kind of anti-collapse ground retaining wall captures mechanical arm with hydraulic pressure |
| CN206053979U (en) * | 2016-08-22 | 2017-03-29 | 王瑞超 | Safety of coal mines support meanss |
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2017
- 2017-04-26 CN CN201710280358.8A patent/CN107059634B/en not_active Expired - Fee Related
- 2017-04-26 CN CN201811313517.0A patent/CN109356632B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109356632A (en) | 2019-02-19 |
| CN107059634A (en) | 2017-08-18 |
| CN107059634B (en) | 2019-05-17 |
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Effective date of registration: 20200605 Address after: 221000 No.1 Songshan Road, BEIGOU Town, Xinyi City, Xuzhou City, Jiangsu Province Applicant after: Jiangsu Xiyi steel mould Co.,Ltd. Address before: 312500, room 255, No. 241, West Avenue, Qixing street, Xinchang, Zhejiang, Shaoxing Applicant before: Sheng Yahong |