CN111594248A

CN111594248A - Special temporary support equipment for tunnel bridge

Info

Publication number: CN111594248A
Application number: CN202010469503.9A
Authority: CN
Inventors: 张世敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-08-28
Anticipated expiration: 2040-05-28
Also published as: CN111594248B

Abstract

The invention belongs to the technical field of bridge supporting equipment, and particularly relates to temporary supporting equipment special for a tunnel bridge, which comprises a base; a first hydraulic cylinder is mounted on the base; the first hydraulic cylinder is fixedly connected with a pull plate; the pulling plate is provided with a top column; the top column is fixedly connected with a first mounting plate; a second hydraulic cylinder is arranged above the first mounting plate; a piston of the hydraulic cylinder II is fixedly connected to the mounting plate I; the second hydraulic cylinder is fixedly connected with a second mounting plate; a second support frame is arranged on the second mounting plate; the first support frame is arranged on the second support frame; an elastic plate is arranged on the first support frame; a spring support is arranged between the first support frame and the elastic plate; the device has a simple structure, the side surface has a supporting function during supporting, the stability of the device is improved, and wheels on the device can be automatically retracted to prevent the wheels from sinking into the ground; meanwhile, the invention occupies smaller space and is convenient to move.

Description

Special temporary support equipment for tunnel bridge

Technical Field

The invention belongs to the technical field of bridge supporting equipment, and particularly relates to temporary supporting equipment special for a tunnel bridge.

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.

Some technical schemes also appear in the prior art, such as chinese patent with application number CN201710280358.8, including a bottom plate, two fixing devices capable of limiting are symmetrically installed at the front and rear ends of the bottom plate, a hydraulic cylinder is symmetrically installed at the upper end of the bottom plate, the top end of the hydraulic cylinder is installed on a positioning plate through a flange, two adjusting devices are symmetrically installed at the upper end of the positioning plate, an adjusting column is installed between the two adjusting devices, a supporting device is installed at the upper end of the adjusting column, the fixing device, the adjusting column and the supporting device are mutually matched to use to complete the temporary support of the tunnel bridge, and the problems that in the existing temporary support construction process of tunnel bridge construction, materials such as concrete and steel frame need to be manually processed into temporary support, the consumed time is long, the engineering progress is influenced, corresponding temporary support needs to be constructed for construction surfaces with different, The difficult problems of complex operation, resource waste, low working efficiency and the like exist, but the equipment structure realized by the scheme is complex, the occupied space is large, meanwhile, no guarantee measure for the self stability of the equipment exists when the equipment is used, the stability of the equipment in the supporting process cannot be guaranteed, and meanwhile, the universal wheels on the equipment are easy to sink into the ground in the using process to influence the movement of subsequent equipment.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides an intelligent agricultural greenhouse capable of recycling biomass energy.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a temporary supporting device special for a tunnel bridge, which comprises a base; a first hydraulic cylinder is fixedly arranged in the middle of the upper surface of the base; one end of a piston rod on the first hydraulic cylinder is fixedly connected with a pull plate; the middle position of the upper surface of the pulling plate is fixedly connected with a top column; the upper end of the top column is fixedly connected with a first mounting plate; a second hydraulic cylinder is arranged above the first mounting plate; the two hydraulic cylinders are symmetrically distributed; a second piston rod on the second hydraulic cylinder is fixedly connected to the first mounting plate; the cylinder body of the hydraulic cylinder II is positioned above the piston rod II; the tail end of the second piston rod is positioned below the first mounting plate; a second mounting plate is fixedly connected to the cylinder body of the second hydraulic cylinder; a second support frame is fixedly arranged on the upper surface of the second mounting plate; the first support frame is mounted on the second support frame; the first support frame and the second support frame are both rectangular; the first support frame and the second support frame are perpendicular to each other; the lower surface of the second support frame is in contact with the upper surface of the second mounting frame; the first support frame is flush with the upper surface of the second support frame; a first groove is formed in the middle of the upper surface of the second support frame; a second groove is formed in the middle of the lower surface of the support frame; the first groove and the second groove can be mutually clamped; an elastic plate is arranged on the first support frame; positioning grooves I are uniformly formed in the upper surfaces of the first support frame and the second support frame; the elastic lower surface is provided with a positioning groove II; the first positioning groove corresponds to the second positioning groove; a spring support is arranged between the first support frame and the elastic plate; the spring support comprises a support body, a support rod and a second spring; the second spring is arranged in the support column body; the strut rod is arranged in the strut body; the second spring is positioned between the pillar body and the pillar rod; the lower end of the support column body is inserted into the first positioning groove; the upper end of the strut rod is inserted into the second positioning groove;

when the device works, the device is moved to a position needing to be supported, then the first hydraulic cylinder is started, the first piston rod of the first hydraulic cylinder is lifted upwards, so that the pulling plate arranged on the first piston rod moves upwards, the top column is arranged on the pulling plate and moves upwards along with the pulling plate to drive the first mounting plate to move upwards, the first mounting plate is fixedly connected to the second piston rod of the second hydraulic cylinder, the second hydraulic cylinder moves upwards, the second mounting plate fixedly connected to the second cylinder body of the second hydraulic cylinder also moves upwards to drive the first support frame and the second support frame arranged on the upper surface of the second mounting plate to move upwards, so that the elastic plates arranged on the first support frame and the second support frame move upwards until the elastic plates contact the supporting surface to start to support, and in the process that the elastic plates contact the supporting surface and start to support, the spring support columns arranged between the first support frame and the elastic plates are extruded and shortened to buffer the impact between the elastic, the supporting surface is prevented from being damaged or damaged due to the fact that the elastic plate is collided with the supporting surface due to the fact that the elastic plate rises too fast, meanwhile, the hydraulic cylinder II can lift the supporting height again after the hydraulic cylinder I is completely extended, the supporting height of the equipment is enlarged, the payment range of the equipment is widened, meanwhile, the height of the equipment can be reduced under the condition that the supporting height of the equipment is effectively improved through the hydraulic cylinder II, the occupied space of the equipment is reduced when the equipment is stored, the equipment is convenient to transport, the situation that the equipment cannot be transported to a working place due to the fact that the occupied space of the equipment is too large is prevented, meanwhile, due to the fact that the supporting frame I and the supporting frame II are fixed mutually through the clamping of the groove I and the groove II, the supporting frame I can be replaced easily, when the supporting width of the equipment is insufficient, the utilization rate of the equipment is improved, and the cost is reduced.

Preferably, the tail end of the second piston rod is fixedly connected with a fixing plate; the two fixing plates are respectively fixedly connected to the two second piston rods; the upper surface of the base is fixedly connected with a first rod and a second rod through hinges; the fixed plate is fixedly connected with a third rod and a fourth rod through hinges; the first rod and the four-way rod are connected through a hinge; the second rod is connected with the four-way rod through a hinge; the middle positions of the first rod and the second rod are connected through a hinge; the middle positions of the third rod and the fourth rod are connected through a hinge; the first rod to the fourth rod are divided into two groups and are symmetrically distributed; the second rod and the third rod are symmetrically distributed in two groups; a first limiting rod is arranged at the hinged position of the first two groups of rods and the second rod; a second limiting rod is arranged at the hinged part of the second rod and the third rod; the first limiting rod and the second limiting rod are mirror images; the middle positions of the first limiting rod and the second limiting rod are fixedly connected with pressing plates; the upper surface of the base is fixedly connected with a vertical plate; the number of the vertical plates is two, and the vertical plates are symmetrically distributed; the vertical plate is opposite to the pressing plate; the pressing plate is provided with a second air bag; cylindrical grooves are formed in the side faces of the two ends of the second support frame; an included angle is formed between the cylindrical groove and the vertical direction; a moving rod is arranged in the cylindrical groove; the lower end of the moving rod is sealed with the cylindrical groove; the tail end of the moving rod is hinged with a supporting plate; the supporting plate is positioned outside the cylindrical groove; the second air bag is communicated with the cylindrical groove through a pipeline; a common auxiliary bracket is arranged on the upper surface of the second mounting plate; the auxiliary supports are arranged at two ends of the second support frame respectively; the auxiliary support comprises a cross rod and a second air cylinder; the cross rod is positioned below the outlet of the cylindrical groove; the cylinders are divided into four groups, and each group comprises two cylinders; each group of second cylinders are oppositely arranged, and the three tail ends of the piston rods on each group of second cylinders are hinged to the cross rod; two ends of the cross rod are respectively connected with a group of second cylinders; the second air cylinder is communicated with the cylindrical groove through a pipeline, and a pressure valve is mounted on the pipeline;

when the device is started, the mounting plate is lifted to drive the piston rod two of the hydraulic cylinder two to lift, so that the fixing plate arranged at the tail end of the piston rod is lifted, the fixing plate is lifted to drive the rod one, the rod two, the rod three and the rod four which are connected through the hinges to move, so that the limiting rod one and the limiting rod move towards the direction of the hydraulic cylinder one, the pressure plate is driven to extrude towards the air bag two by the movement of the limiting rod one and the limiting rod two, meanwhile, the air bag two can buffer the movement of the limiting rod one and the limiting rod two, the limiting rod one and the limiting rod two are prevented from moving too fast, namely, the whole lifting speed of the device is too fast, so that the elastic plates on the support frame one and the support frame two collide with the support surface to damage the device or the support surface, meanwhile, the rod one to the rod four which are connected through the hinges can be folded when the device is stopped and placed, the occupied space is reduced, the device is convenient to move, after the air bag II is extruded, because the air bag II is communicated with the cylindrical groove through the pipeline, the pressure in the cylindrical groove is increased, the moving rod moves towards the outside of the cylindrical groove, because the cylindrical groove is obliquely arranged, the supporting plate at the tail end of the moving rod is propped against the supporting surface, the contact area between the device and the supporting surface is increased, the supporting effect is improved, meanwhile, after the supporting plate on the moving rod props against the supporting surface, the device can be effectively stabilized, the vibration caused by the operation of the device is prevented, the device is prevented from shaking, the device is prevented from toppling, the stability of the device is improved, meanwhile, when the pressing plate extrudes the air bag II to a certain degree, and the pressure in the cylindrical groove is increased, a pressure valve on the pipeline communicating the air cylinder II with the cylindrical groove is opened, so that the air cylinder II starts to move, meanwhile, the pressure, the backup pad is too big to the pressure of holding surface, damage the holding surface or lead to the equipment part to damage, and simultaneously, avoid gasbag two middle pressure too high to lead to gasbag two to damage, after cylinder two begins to move, the horizontal pole begins the upward movement, until the horizontal pole contacts the carriage release lever that stretches out outside the cylinder recess, provide the support for the intermediate position of carriage release lever, prevent that the intermediate position from taking place to buckle or breaking after the carriage release lever receives too big pressure, avoid the unexpected damage of part, reduce equipment use cost, and simultaneously, the horizontal pole provides the support back for the carriage release lever intermediate position, can also prevent that the carriage release lever from vibrating because the overlength takes place, lead to the supporting effect between backup pad and the holding surface unstable, avoid the backup pad to rock and lead to equipment stability to.

Preferably, a cavity is formed in the base; the lower surface of the base is provided with two rectangular through holes; the rectangular through holes are symmetrically distributed; the rectangular through hole is communicated with the cavity; a transmission plate is arranged in the cavity; the transmission plate can move up and down in the cavity; wheels are rotatably arranged on the side face, opposite to the rectangular through hole, of the transmission plate; a semi-cylinder is arranged on the inner wall of the cavity; the side surface where the semi-cylinder is located is vertical to the length direction of the rectangular through hole; a semicircular groove is formed in the side surface of the transmission plate; the semicircular groove and the semicircular column are just wedged; a first spring is arranged between the transmission plate and the upper surface of the cavity, and a plurality of springs are uniformly distributed;

the during operation, when needs mobile device, through installing the wheel on the driving plate can be light remove assigned position with equipment, the artifical consumption has been reduced, time saving, therefore, the cost is reduced, simultaneously, install the spring between driving plate and the cavity upper surface and can alleviate the vibration at equipment moving in-process, guarantee that equipment moves steadily, prevent to remove in-process too big vibration and lead to equipment to damage, set up the semicircle pillar on the cavity inner wall and the half slot of driving plate side simultaneously, can guarantee that the driving plate does not take place the skew in the up-and-down motion process, prevent that the driving plate card that the driving plate slope leads to dies, lead to partial wheel and unsettled, influence equipment and remove, avoid the driving plate card to die simultaneously, the spring shock attenuation effect that leads to reduces or disappears.

Preferably, the lower surface of the pulling plate is fixedly connected with a steel rope; the number of the steel ropes is four, and the steel ropes are respectively positioned at four corners of the pulling plate; the steel rope penetrates into a cavity in the base; the lower end of the steel rope is fixedly connected to the upper surface of the transmission plate;

the during operation, when pneumatic cylinder first starts, when driving the arm-tie upward movement, the arm-tie four corners has linked firmly the steel cable and has begun upward movement, upwards stimulate the driving plate of steel cable connection, thereby make the driving plate remove higher position in the cavity gradually, make the wheel of installing on the driving plate break away from with the contact on ground, prevent the equipment operation in-process, take place to remove, guarantee that equipment stability and security are higher, avoid taking place the accident, simultaneously, because the existence of spring one in the cavity, the steel cable is in the stress state all the time, exert pressure through the arm-tie to the piston rod of pneumatic cylinder one, make pneumatic cylinder one have certain pressure, prevent that pneumatic cylinder one from appearing slight floating phenomenon in the course of the work, lead to the equipment appearance to rock, make pneumatic cylinder one at the during operation uniform velocity motion, prevent the impact phenomenon of going on a journey after the pneumatic cylinder.

Preferably, a first air bag is arranged in the cavity; the air bag is positioned between the transmission plate and the upper surface of the inner wall of the cavity; the first air bag is positioned in the middle of the transmission plate; the first air bag is surrounded by the first spring; a supporting mechanism is arranged on the side surface of the base; the side surface where the supporting mechanism is located is parallel to the plane where the wheels are located; the supporting mechanism comprises an L-shaped support and a first air cylinder; one end of the L-shaped bracket is fixedly connected to the side surface of the base through a hinge; the cylinder body of the first air cylinder is fixedly connected to the side face of the base through a hinge; a piston rod four-way joint of the first air cylinder is fixedly connected to the L-shaped support through a hinge; the first air cylinder is positioned above the L-shaped support; the first air cylinder is communicated with the first air bag through a pipeline; the number of the supporting mechanisms is two, and each supporting mechanism is two; the two groups of supporting mechanisms are symmetrically distributed on two opposite side surfaces of the base;

the during operation, when the driving plate upward movement, gasbag one receives the extrusion, pressure increase in the gasbag one, the cylinder through pipeline and gasbag intercommunication begins to work, piston rod four of cylinder one stretches out, make L shape support downstream, end and ground contact until L shape support, the L shape support through base side-mounting increases the area of contact between base and the ground, thereby improve equipment's stability, avoid the base can not provide sufficient support at equipment operation in-process, lead to equipment to empty, cause the accident, influence the construction.

Preferably, the lower surface of the base is fixedly connected with a rubber pad; the lower surface of the base is provided with fixing rods which are uniformly distributed; the fixed rod is wrapped by a rubber pad;

the during operation, after equipment begins to work, equipment receives decurrent pressure, contact between the rubber pad that links firmly on the base lower surface and the ground, frictional force between increase base and the ground, increase equipment's ability of grabbing, improve equipment stability, avoid equipment operation in-process to grab the ground power and lead to the equipment removal inadequately, cause the equipment incline, make the holding surface receive the damage, equipment parts damages, and simultaneously, the rubber pad receives the extrusion back, the dead lever of parcel in the rubber pad is salient, take place the contact between dead lever and the ground, further improvement base and the frictional force between the ground, improve equipment's ability of grabbing, strengthen equipment stability.

The invention has the following beneficial effects:

1. according to the special temporary supporting equipment for the tunnel bridge, due to the arrangement of the air bag I, the air bag II, the supporting mechanism, the cylindrical groove, the moving rod, the supporting plate and the auxiliary support, the side surface of the equipment has a supporting effect when the equipment is supported, the situation that the equipment shakes in the supporting process is avoided, the supporting force is increased, the stability of the equipment is improved, meanwhile, the friction force between the equipment and the ground is improved through the supporting mechanism, the stability of the equipment is improved, and accidents caused by instability of the equipment are prevented.

2. According to the special temporary supporting equipment for the tunnel bridge, the rubber pad, the fixed rod, the transmission plate, the wheel, the first spring, the pull plate and the steel rope are arranged, so that the wheel on the equipment can be automatically retracted when the equipment runs, the wheel is prevented from sinking into the ground, meanwhile, after the equipment is used, the wheel is released, the equipment is convenient to move, meanwhile, after the wheel is retracted, the friction force between the equipment and the ground can be further increased through the matching of the fixed rod and the rubber pad, the ground gripping capability of the equipment is improved, and the stability of the equipment is better ensured.

3. According to the temporary supporting equipment special for the tunnel bridge, the hydraulic cylinder I, the hydraulic cylinder II, the rod I, the rod II, the rod III and the rod IV are arranged, so that the equipment can be supported at the highest supporting height as possible, the occupied space of the equipment is small, the equipment is convenient to move, and the influence on the use of the equipment due to the size problem of the equipment is avoided.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

in the figure: the device comprises a base 1, a rubber pad 11, a fixed rod 12, a semi-cylinder 13, a transmission plate 14, wheels 141, a first air bag 15, a first spring 16, a vertical plate 17, a second air bag 171, a supporting mechanism 18, a first air cylinder 181, an L-shaped support 182, a first hydraulic cylinder 2, a first rod 21, a second rod 22, a third rod 23, a fourth rod 24, a first limit rod 25, a pressing plate 251, a pulling plate 3, a top column 31, a steel rope 32, a first mounting plate 4, a second hydraulic cylinder 5, a fixed plate 51, a second mounting plate 6, a first support frame 61, a second support frame 62, a first positioning groove 621, a cylindrical groove 622, a moving rod 623, a support plate 624, an auxiliary support 63, a cross rod, a second air cylinder 632, an elastic plate 7, a spring support column 71, a support column 711, a support column.

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 described with the specific embodiments.

As shown in fig. 1 to 4, the temporary support apparatus for a tunnel bridge of the present invention includes a base 1; a first hydraulic cylinder 2 is fixedly arranged in the middle of the upper surface of the base 1; the tail end of a first piston rod 21 on the first hydraulic cylinder 2 is fixedly connected with a pull plate 3; the middle position of the upper surface of the pulling plate 3 is fixedly connected with a top column 31; the upper end of the top column 31 is fixedly connected with a mounting plate I4; a second hydraulic cylinder 5 is arranged above the first mounting plate 4; the two hydraulic cylinders 5 are symmetrically distributed; a second piston rod 22 on the second hydraulic cylinder 5 is fixedly connected to the first mounting plate 4; the cylinder body of the second hydraulic cylinder 5 is positioned above the second piston rod 22; the tail end of the second piston rod 22 is positioned below the first mounting plate 4; a second mounting plate 6 is fixedly connected to the cylinder body of the second hydraulic cylinder 5; a second support frame 62 is fixedly arranged on the upper surface of the second mounting plate 6; the first support frame 61 is mounted on the second support frame 62; the first support frame 61 and the second support frame 62 are rectangular; the first support frame 61 and the second support frame 62 are perpendicular to each other; the lower surface of the second support frame 62 is in contact with the upper surface of the second mounting frame; the upper surfaces of the first support frame 61 and the second support frame 62 are flush; a first groove is formed in the middle of the upper surface of the second support frame 62; a second groove is formed in the middle of the lower surface of the first support frame 61; the first groove and the second groove can be mutually clamped; an elastic plate 7 is arranged on the first support frame 61; the upper surfaces of the first support frame 61 and the second support frame 62 are uniformly provided with first positioning grooves 621; the elastic lower surface is provided with a second positioning groove 72; the first positioning groove 621 and the second positioning groove 72 correspond to each other; a spring support 71 is arranged between the first support frame 61 and the elastic plate 7; the spring support 71 comprises a support body 711, a support rod 712 and a second spring 713; the second spring 713 is arranged in the support column 711; the strut rod 712 is mounted in a strut body 711; the second spring 713 is positioned between the pillar 711 and the pillar rod 712; the lower end of the support column 711 is inserted into the first positioning groove 621; the upper end of the strut rod 712 is inserted into the second positioning groove 72;

when the device works, the device is moved to a position needing to be supported, then the hydraulic cylinder I2 is started, the piston rod I21 of the hydraulic cylinder I2 is lifted upwards, so that the pulling plate 3 arranged on the piston rod I21 moves upwards, the jacking column 31 is arranged on the pulling plate 3 and moves upwards along with the pulling plate 3 to drive the mounting plate I4 to move upwards, the mounting plate I4 is fixedly connected to the piston rod II 22 of the hydraulic cylinder II 5, the hydraulic cylinder II 5 moves upwards, the mounting plate II fixedly connected to the cylinder body of the hydraulic cylinder II 5 also moves upwards to drive the supporting frame I61 and the supporting frame II 62 arranged on the upper surface of the mounting plate II 6 to move upwards, so that the elastic plate 7 arranged on the supporting frame I61 and the supporting frame II 62 moves upwards, until the elastic plate 7 contacts the supporting surface to start to be supported, and in the process that the elastic plate 7 contacts the supporting surface to start to be supported, the spring strut 71 arranged between the supporting frame I61 and the elastic plate 7, buffering the impact between the elastic plate 7 and the supporting surface, preventing the elastic plate 7 from colliding with the supporting surface due to too fast rising of the elastic plate 7, causing damage to the supporting surface or equipment damage, simultaneously, the hydraulic cylinder 5 can lift the supporting height again after the hydraulic cylinder 2 is fully extended, expanding the supporting height of the equipment, and improving the payment range of the equipment, simultaneously, the height of the equipment can be reduced by the hydraulic cylinder 5 under the condition of effectively improving the supporting height of the equipment, the occupied space of the equipment during storage is reduced, the equipment is convenient to transport, the problem that the equipment cannot be transported to a working place due to too large occupied space of the equipment is prevented, simultaneously, the supporting frame 61 can be easily replaced due to the fact that the supporting frame 61 and the supporting frame 62 are mutually fixed through the clamping of the groove I and the groove II, and therefore when the supporting width of the equipment is insufficient, the problem can be easily solved by replacing the longer supporting frame 61, the application range of the equipment is wider, the utilization rate of the equipment is improved, and the cost is reduced.

As an embodiment of the present invention, the end of the second piston rod 22 is fixedly connected with a fixing plate 51; the number of the fixing plates 51 is two, and the fixing plates are fixedly connected to the two second piston rods 22 respectively; the upper surface of the base 1 is fixedly connected with a first rod 21 and a second rod 22 through hinges; the fixed plate 51 is fixedly connected with a third rod 23 and a fourth rod 24 through hinges; the first rod 21 and the fourth rod 24 are connected through a hinge; the second rod 22 and the fourth rod 24 are connected through a hinge; the middle positions of the first rod 21 and the second rod 22 are connected through a hinge; the middle positions of the third rod 23 and the fourth rod 24 are connected through a hinge; two groups of rods I21 to rods IV 24 are arranged and are symmetrically distributed; the second rod 22 and the third rod 23 are symmetrically distributed in two groups; a first limiting rod 25 is arranged at the hinged position of the first two groups of rods 21 and the second rod 22; a second limiting rod is arranged at the hinged position of the second rod 22 and the third rod 23; the first limiting rod 25 and the second limiting rod are mirror images; the middle positions of the first limiting rod 25 and the second limiting rod are fixedly connected with a pressing plate 251; the upper surface of the base 1 is fixedly connected with a vertical plate 17; the number of the vertical plates 17 is two, and the vertical plates are symmetrically distributed; the vertical plate 17 is opposite to the pressing plate 251; the pressing plate 251 is provided with a second air bag 171; cylindrical grooves 622 are formed in the side faces of the two ends of the second support frame 62; an included angle is formed between the cylindrical groove 622 and the vertical direction; a moving rod 623 is arranged in the cylindrical groove 622; the lower end of the moving rod 623 keeps a seal with the cylindrical groove 622; the end of the moving rod 623 is hinged with a supporting plate 624; the supporting plate 624 is positioned outside the cylindrical groove 622; the second air bag 171 is communicated with the cylindrical groove 622 through a pipeline; a common auxiliary bracket 63 is arranged on the upper surface of the second mounting plate 6; the auxiliary supports 63 are divided into two groups and are respectively arranged at two ends of the second support frame 62; the auxiliary bracket 63 comprises a cross bar 631 and a second air cylinder 632; the cross bar 631 is positioned below the outlet of the cylindrical groove 622; the second air cylinders 632 are divided into four groups, and each group comprises two air cylinders; the second cylinders 632 are oppositely arranged, and the tail ends of the piston rods three 23 on the second cylinders 632 are hinged to the cross rod 631; two ends of the cross bar 631 are respectively connected with a second cylinder 632; the second cylinder 632 is communicated with the cylindrical groove 622 through a pipeline, and a pressure valve is mounted on the pipeline;

when the device is started, the mounting plate I4 starts to rise to drive the piston rod II 22 of the hydraulic cylinder II 5 to rise, so that the fixing plate 51 arranged at the tail end of the piston rod I21 starts to rise, the fixing plate 51 rises to drive the rod I21, the rod II 22, the rod III 23 and the rod IV 24 which are connected through the hinge to start to move, the limiting rod I25 and the limiting rod II move towards the direction of the hydraulic cylinder I2, the limiting rod I25 and the limiting rod II move to drive the pressing plate 251 to extrude towards the air bag II 171, meanwhile, the air bag II 171 can buffer the movement of the limiting rod I25 and the limiting rod II, the situation that the limiting rod I25 and the limiting rod II move too fast, namely the whole rising speed of the device is too fast, so that the elastic plates 7 on the support frame I61 and the support frame II 62 collide with a support surface to damage the device or the support surface is prevented, and meanwhile, the rod I21 to the rod IV 24 which are connected through the hinge, when the equipment is placed in a shutdown mode, the folding type air bag device can be folded, occupied space is reduced, the equipment is convenient to move, after the air bag II 171 is extruded, the air bag II 171 is communicated with the cylindrical groove 622 through a pipeline, pressure in the cylindrical groove 622 is increased, the moving rod 623 moves towards the outside of the cylindrical groove 622, due to the fact that the cylindrical groove 622 is obliquely arranged, the supporting plate 624 at the tail end of the moving rod 623 is pushed onto the supporting surface, the contact area between the equipment and the supporting surface is increased, the supporting effect is improved, meanwhile, after the supporting plate 624 on the moving rod 623 is pushed against the supporting surface, the equipment can be effectively stabilized, vibration caused by operation of the equipment is prevented, the equipment is prevented from shaking, the equipment is prevented from toppling over, the stability of the equipment is improved, meanwhile, when the pressing plate 251 extrudes the air bag II 171 to a certain degree, and pressure in the cylindrical groove 622 is increased, the second cylinder 632 starts to move, and at the same time, the moving rod 623 is prevented from being excessively extended due to the excessive pressure in the cylindrical groove 622, the supporting plate 624 has excessive pressure on the supporting surface, the supporting surface is damaged or the equipment parts are damaged, meanwhile, the second air bag 171 is prevented from being damaged due to the excessive pressure in the second air bag 171, after the second cylinder 632 starts to move, the cross bar 631 starts to move upwards until the cross bar 631 contacts the moving rod 623 extending out of the cylindrical groove 622, so as to provide support for the middle position of the moving rod 623, prevent the middle position of the moving rod 623 from being bent or broken after being subjected to excessive pressure, avoid accidental damage of parts, reduce the use cost of equipment, meanwhile, after the cross rod 631 supports the middle of the moving rod 623, the moving rod 623 can be prevented from vibrating due to overlong length, so that the supporting effect between the supporting plate 624 and the supporting surface is unstable, and the supporting plate 624 is prevented from shaking to reduce the stability of the device.

As an embodiment of the present invention, a cavity is formed in the base 1; the lower surface of the base 1 is provided with two rectangular through holes; the rectangular through holes are symmetrically distributed; the rectangular through hole is communicated with the cavity; a transmission plate 14 is arranged in the cavity; the driving plate 14 can move up and down in the cavity; the side face, opposite to the rectangular through hole, of the transmission plate 14 is rotatably provided with a wheel 141; a semi-cylinder 13 is arranged on the inner wall of the cavity; the side surface of the semi-cylinder 13 is vertical to the length direction of the rectangular through hole; a semicircular groove is formed in the side surface of the transmission plate 14; the semicircular groove is just wedged with the semicircular column 13; a plurality of springs 16 are arranged between the transmission plate 14 and the upper surface of the cavity, and the springs 16 are uniformly distributed;

the during operation, when needing the mobile device, through installing the wheel 141 on driving plate 14 can be relaxed remove the assigned position with the equipment, the artifical consumption has been reduced, time saving, and low cost, simultaneously, install spring 16 between driving plate 14 and the cavity upper surface and can alleviate the vibration at equipment moving in-process, guarantee that equipment moves steadily, prevent to remove the in-process too big vibration and lead to equipment to damage, the semicircle pillar 13 of setting on the cavity inner wall and the semicircle groove of driving plate 14 side simultaneously, can guarantee that driving plate 14 does not take place the skew in the up-and-down motion process, prevent that driving plate 14 slope from leading to driving plate 14 card extremely, lead to partial wheel 141 and unsettled, influence equipment moves, avoid driving plate 14 card extremely simultaneously, the 16 shock attenuation effects of the spring that lead to reduce or disappear.

As an embodiment of the present invention, a steel rope 32 is fixedly connected to the lower surface of the pulling plate 3; the number of the steel ropes 32 is four, and the steel ropes are respectively positioned at four corners of the pulling plate 3; the steel rope 32 penetrates into a cavity in the base 1; the lower end of the steel rope 32 is fixedly connected to the upper surface of the transmission plate 14;

when the hydraulic cylinder 2 is started to drive the pulling plate 3 to move upwards, the four corners of the pulling plate 3 are fixedly connected with the steel ropes 32 to start to move upwards, the transmission plate 14 connected with the steel ropes 32 is pulled upwards, so that the transmission plate 14 gradually moves to a higher position in the cavity, the wheels 141 mounted on the transmission plate 14 are separated from contact with the ground, the equipment is prevented from moving in the operation process, the stability and the safety of the equipment are ensured to be higher, accidents are avoided, meanwhile, due to the existence of the spring I16 in the cavity, the steel ropes 32 are always in a stress state, pressure is applied to the piston rod I21 of the hydraulic cylinder I2 through the pulling plate 3, a certain pressure is applied to the hydraulic cylinder I2, the slight floating phenomenon of the hydraulic cylinder I2 in the operation process is prevented, the equipment is prevented from shaking, the hydraulic cylinder I2 moves at a constant speed in the operation process, and the impact phenomenon after the hydraulic, the stability is improved.

As an embodiment of the invention, the cavity is provided with a first air bag 15; the first air bag 15 is positioned between the transmission plate 14 and the upper surface of the inner wall of the cavity; the first air bag 15 is positioned in the middle of the transmission plate 14; the first air bag 15 is surrounded by a first spring 16; a supporting mechanism 18 is arranged on the side surface of the base 1; the side surface of the supporting mechanism 18 is parallel to the plane of the wheel 141; the supporting mechanism 18 comprises an L-shaped bracket 182 and a first air cylinder 181; one end of the L-shaped bracket 182 is fixedly connected to the side surface of the base 1 through a hinge; the cylinder body of the first cylinder 181 is fixedly connected to the side surface of the base 1 through a hinge; a piston rod four 24 of the first air cylinder 181 is fixedly connected to the L-shaped bracket 182 through a hinge; the first air cylinder 181 is positioned above the L-shaped bracket 182; the first air cylinder 181 is communicated with the first air bag 15 through a pipeline; the supporting mechanisms 18 are divided into two groups, and each group comprises two supporting mechanisms; the two groups of supporting mechanisms 18 are symmetrically distributed on two opposite side surfaces of the base 1;

during operation, when driving plate 14 upward movement, gasbag 15 receives the extrusion, pressure increase in the gasbag 15, cylinder 181 through pipeline and gasbag 15 intercommunication begins work, piston rod four 24 of cylinder 181 stretches out, make L shape support 182 downstream, until the terminal and the ground contact of L shape support 182, increase the area of contact between base 1 and the ground through L shape support 182 of base 1 side-mounting, thereby improve equipment's stability, avoid base 1 can not provide sufficient support at equipment operation in-process, lead to equipment to topple over, cause the accident, influence the construction.

As an embodiment of the invention, the lower surface of the base 1 is fixedly connected with a rubber pad 11; the lower surface of the base 1 is provided with fixing rods 12 which are uniformly distributed; the fixed rod 12 is wrapped by a rubber pad 11;

the during operation, after equipment begins to work, equipment receives decurrent pressure, contact between rubber pad 11 and the ground that links firmly on the base 1 lower surface, increase the frictional force between base 1 and the ground, increase equipment's the ability of grabbing ground, improve equipment stability, avoid equipment operation in-process to grab ground power and lead to the equipment removal inadequately, cause the equipment incline, make the holding surface receive the damage, equipment parts damages, and simultaneously, rubber pad 11 receives the extrusion back, the dead lever 12 of parcel in rubber pad 11 is salient, take place the contact between dead lever 12 and the ground, further improve the frictional force between base 1 and the ground, improve equipment's the ability of grabbing ground, strengthen equipment stability.

The specific working steps are as follows:

in operation, the equipment is moved to a position to be supported, then the hydraulic cylinder I2 is started, the piston rod I21 of the hydraulic cylinder I2 is lifted upwards, so that the pulling plate 3 arranged on the piston rod I21 moves upwards, because the top column 31 is arranged on the pulling plate 3, the top column 31 moves upwards along with the pulling plate 3 to drive the first mounting plate 4 to move upwards, the first mounting plate 4 is fixedly connected to the second piston rod 22 of the second hydraulic cylinder 5, the second hydraulic cylinder 5 moves upwards, the second mounting plate fixedly connected to the second hydraulic cylinder 5 also moves upwards to drive the first support frame 61 and the second support frame 62 arranged on the upper surface of the second mounting plate 6 to move upwards, thereby enabling the elastic plate 7 arranged on the first support frame 61 and the second support frame 62 to move upwards until the elastic plate 7 contacts the support surface to start supporting, in the process that the elastic plate 7 contacts the supporting surface and starts to support, the spring support 71 arranged between the first support frame 61 and the elastic plate 7 is compressed and shortened; when the device is started, the first mounting plate 4 starts to rise, the second piston rod 22 of the second hydraulic cylinder 5 is driven to rise, so that the fixing plate 51 mounted at the tail end of the first piston rod 21 starts to rise, the first rod 21, the second rod 22, the third rod 23 and the fourth rod 24 which are connected through the hinges are driven to start to move after the fixing plate 51 rises due to the position of the base 1 is unchanged, the first limiting rod 25 and the second limiting rod are driven to move towards the first hydraulic cylinder 2, the first limiting rod 25 and the second limiting rod move to drive the pressing plate 251 to start to press towards the second air bag 171, after the second air bag 171 is pressed, the second air bag 171 is communicated with the cylindrical groove 622 through a pipeline, the pressure in the cylindrical groove 622 is increased, the moving rod 623 moves towards the outside of the cylindrical groove 622, the supporting plate 624 at the tail end of the moving rod 623 is pressed against the supporting surface due to the inclined arrangement of the cylindrical groove 622, and meanwhile, when the pressure in the cylindrical groove 622 is increased, a pressure valve on a pipeline for communicating the second cylinder 632 with the cylindrical groove 622 is opened, so that the second cylinder 632 starts to move, and after the second cylinder 632 starts to move, the cross rod 631 starts to move upwards until the cross rod 631 contacts the moving rod 623 extending out of the cylindrical groove 622, so that support is provided for the middle position of the moving rod 623; when the equipment needs to be moved, the equipment can be easily moved to a specified position through the wheels 141 arranged on the transmission plate 14, and meanwhile, the semi-cylinders 13 arranged on the inner wall of the cavity and the semi-circular grooves on the side surfaces of the transmission plate 14 can ensure that the transmission plate 14 does not deflect in the up-and-down movement process; when the hydraulic cylinder I2 is started to drive the pulling plate 3 to move upwards, the four corners of the pulling plate 3 are fixedly connected with the steel ropes 32 to start to move upwards, the transmission plate 14 connected with the steel ropes 32 is pulled upwards, so that the transmission plate 14 gradually moves to a higher position in the cavity, the wheels 141 mounted on the transmission plate 14 are separated from contact with the ground, meanwhile, due to the existence of the spring I16 in the cavity, the steel ropes 32 are always in a stressed state, and pressure is applied to the piston rod I21 of the hydraulic cylinder I2 through the pulling plate 3, so that certain pressure exists in the hydraulic cylinder I2; when the driving plate 14 moves upwards, the first air bag 15 is squeezed, the pressure in the first air bag 15 is increased, the first air cylinder 181 communicated with the first air bag 15 through the pipeline starts to work, the piston rod four 24 of the first air cylinder 181 extends out, and the L-shaped bracket 182 moves downwards until the tail end of the L-shaped bracket 182 is contacted with the ground; after equipment began work, equipment received decurrent pressure, and the rubber pad 11 that links firmly on the base 1 lower surface contacts with between the ground, increases the frictional force between base 1 and the ground, and simultaneously, rubber pad 11 receives the extrusion back, and the dead lever 12 of parcel in rubber pad 11 is protruding, takes place the contact between dead lever 12 and the ground, further improvement base 1 and the frictional force between the ground.

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 described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a special interim supporting equipment of tunnel bridge which characterized in that: comprises a base (1); a first hydraulic cylinder (2) is fixedly arranged in the middle of the upper surface of the base (1); the tail end of a first piston rod (21) on the first hydraulic cylinder (2) is fixedly connected with a pull plate (3); the middle position of the upper surface of the pulling plate (3) is fixedly connected with a top column (31); the upper end of the top column (31) is fixedly connected with a first mounting plate (4); a second hydraulic cylinder (5) is arranged above the first mounting plate (4); the two hydraulic cylinders (5) are symmetrically distributed; a second piston rod (22) on the second hydraulic cylinder (5) is fixedly connected to the first mounting plate (4); the cylinder body of the hydraulic cylinder II (5) is positioned above the piston rod II (22); the tail end of the second piston rod (22) is positioned below the first mounting plate (4); a second mounting plate (6) is fixedly connected to the cylinder body of the second hydraulic cylinder (5); a second support frame (62) is fixedly arranged on the upper surface of the second mounting plate (6); a first support frame (61) is arranged on the second support frame (62); the first support frame (61) and the second support frame (62) are both rectangular; the first support frame (61) and the second support frame (62) are perpendicular to each other; the lower surface of the second support frame (62) is in contact with the upper surface of the second mounting frame; the first support frame (61) is flush with the upper surface of the second support frame (62); a first groove is formed in the middle of the upper surface of the second support frame (62); a second groove is formed in the middle of the lower surface of the first support frame (61); the first groove and the second groove can be mutually clamped; an elastic plate (7) is arranged on the first support frame (61); positioning grooves I (621) are uniformly formed in the upper surfaces of the first support frame (61) and the second support frame (62); a second positioning groove (72) is formed in the elastic lower surface; the first positioning groove (621) corresponds to the second positioning groove (72); a spring support (71) is arranged between the first support frame (61) and the elastic plate (7); the spring support (71) comprises a support body (711), a support rod (712) and a second spring (713); the second spring (713) is arranged in the support column body (711); the strut rod (712) is mounted in a strut body (711); the second spring (713) is positioned between the support column body (711) and the support column rod (712); the lower end of the support column body (711) is inserted into the first positioning groove (621); the upper end of the support rod (712) is inserted into the second positioning groove (72).

2. The special temporary supporting device for the tunnel bridge according to claim 1, wherein: the tail end of the second piston rod (22) is fixedly connected with a fixing plate (51); the number of the fixing plates (51) is two, and the fixing plates are fixedly connected to the two second piston rods (22) respectively; the upper surface of the base (1) is fixedly connected with a first rod (21) and a second rod (22) through hinges; the fixed plate (51) is fixedly connected with a third rod (23) and a fourth rod (24) through hinges; the first rod (21) and the fourth rod (24) are connected through a hinge; the second rod (22) and the fourth rod (24) are connected through a hinge; the middle positions of the first rod (21) and the second rod (22) are connected through a hinge; the middle positions of the third rod (23) and the fourth rod (24) are connected through a hinge; two groups of rods I (21) to four rods (24) are arranged symmetrically; the second rod (22) and the third rod (23) are symmetrically distributed in two groups; a first limiting rod (25) is arranged at the hinged position of the first two groups of rods (21) and the second rod (22); a second limiting rod is arranged at the hinged position of the second rod (22) and the third rod (23); the first limiting rod (25) and the second limiting rod are mirror images; the middle positions of the first limiting rod (25) and the second limiting rod are fixedly connected with pressing plates (251); the upper surface of the base (1) is fixedly connected with a vertical plate (17); the number of the vertical plates (17) is two, and the vertical plates are symmetrically distributed; the vertical plate (17) is opposite to the pressing plate (251); a second air bag (171) is arranged on the pressing plate (251); cylindrical grooves (622) are formed in the side faces of the two ends of the second support frame (62); an included angle is formed between the cylindrical groove (622) and the vertical direction; a moving rod (623) is arranged in the cylindrical groove (622); the lower end of the moving rod (623) keeps sealed with the cylindrical groove (622); the tail end of the moving rod (623) is hinged with a supporting plate (624); the supporting plate (624) is positioned outside the cylindrical groove (622); the second air bag (171) is communicated with the cylindrical groove (622) through a pipeline; a common auxiliary support (63) is arranged on the upper surface of the second mounting plate (6); the auxiliary supports (63) are divided into two groups and are respectively arranged at two ends of the second support frame (62); the auxiliary support (63) comprises a cross rod (631) and a second air cylinder (632); the cross bar (631) is positioned below the outlet of the cylindrical groove (622); the second air cylinders (632) are divided into four groups, and each group comprises two air cylinders; the second cylinders (632) are oppositely arranged, and the tail ends of the piston rods (23) on the second cylinders (632) are hinged to the cross rod (631); two ends of the cross bar (631) are respectively connected with a group of second cylinders (632); and the second cylinder (632) is communicated with the cylindrical groove (622) through a pipeline, and a pressure valve is arranged on the pipeline.

3. The special temporary supporting device for the tunnel bridge according to claim 1, wherein: a cavity is formed in the base (1); the lower surface of the base (1) is provided with two rectangular through holes; the rectangular through holes are symmetrically distributed; the rectangular through hole is communicated with the cavity; a transmission plate (14) is arranged in the cavity; the transmission plate (14) can move up and down in the cavity; the side, opposite to the rectangular through hole, of the transmission plate (14) is rotatably provided with a wheel (141); a semi-cylinder (13) is arranged on the inner wall of the cavity; the side surface where the semi-cylinder (13) is located is vertical to the length direction of the rectangular through hole; a semicircular groove is formed in the side surface of the transmission plate (14); the semicircular groove is just wedged with the semicircular column (13); a first spring (16) is arranged between the transmission plate (14) and the upper surface of the cavity, and the first springs (16) are multiple and evenly distributed.

4. The special temporary supporting device for the tunnel bridge according to claim 1, wherein: the lower surface of the pulling plate (3) is fixedly connected with a steel rope (32); the number of the steel ropes (32) is four, and the steel ropes are respectively positioned at four corners of the pulling plate (3); the steel rope (32) penetrates into a cavity in the base (1); the lower end of the steel rope (32) is fixedly connected with the upper surface of the transmission plate (14).

5. The special temporary supporting device for the tunnel bridge according to claim 3, wherein: a first air bag (15) is arranged in the cavity; the first air bag (15) is positioned between the transmission plate (14) and the upper surface of the inner wall of the cavity; the first air bag (15) is positioned in the middle of the transmission plate (14); the first air bag (15) is surrounded by a first spring (16); a supporting mechanism (18) is arranged on the side surface of the base (1); the side surface of the supporting mechanism (18) is parallel to the plane of the wheel (141); the supporting mechanism (18) comprises an L-shaped bracket (182) and a first cylinder (181); one end of the L-shaped bracket (182) is fixedly connected to the side surface of the base (1) through a hinge; the cylinder body of the first cylinder (181) is fixedly connected to the side surface of the base (1) through a hinge; a piston rod IV (24) of the cylinder I (181) is fixedly connected to the L-shaped support (182) through a hinge; the first air cylinder (181) is positioned above the L-shaped bracket (182); the first air cylinder (181) is communicated with the first air bag (15) through a pipeline; the supporting mechanisms (18) are divided into two groups, and each group comprises two supporting mechanisms; the two groups of supporting mechanisms (18) are symmetrically distributed on two opposite side surfaces of the base (1).

6. The special temporary supporting device for the tunnel bridge according to claim 1, wherein: the lower surface of the base (1) is fixedly connected with a rubber pad (11); the lower surface of the base (1) is provided with fixing rods (12) which are uniformly distributed; the fixed rod (12) is wrapped by a rubber pad (11).