CN113503170B

CN113503170B - Positioning and forming integrated machine for tunnel arch-shaped steel bars

Info

Publication number: CN113503170B
Application number: CN202110624049.4A
Authority: CN
Inventors: 杨均尧; 吴朝来
Original assignee: Luoyang Guangda Machinery Equipment Co ltd
Current assignee: Luoyang Guangda Machinery Equipment Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2024-05-03
Anticipated expiration: 2041-06-04
Also published as: CN113503170A

Abstract

The invention belongs to the technical field of forming and positioning of tunnel arch steel bars, and discloses a positioning and forming integrated machine of tunnel arch steel bars, wherein a supporting device is arranged in the middle of an arch ring; the arch ring is fixedly arranged at the two side positions of the supporting device, and the arch ring swinging device is fixedly arranged at the rear side position of the joint of the supporting device and the arch ring; the annular lifting device is fixedly arranged on the arch ring; the positioning devices are arranged at equal intervals in the circumferential direction of the arch ring; the positioning device passes through the middle position of the annular track and is fixedly connected with the bottom of the annular track; the limiting anti-falling device is fixedly arranged at one side of the positioning device; the operation table is fixedly arranged at the upper part of the supporting device. The invention improves the working efficiency of positioning and forming the tunnel arch steel bars, improves the roundness of the tunnel arch steel bars, and makes the surface of the tunnel secondary lining concrete smooth, thereby making the thickness of the tunnel secondary lining concrete uniform and improving the stability of the tunnel secondary lining.

Description

Positioning and forming integrated machine for tunnel arch-shaped steel bars

Technical Field

The invention belongs to the technical field of forming and positioning of tunnel arch steel bars, and particularly relates to a positioning and forming integrated machine of tunnel arch steel bars.

Background

After tunnel excavation is completed, the arch-shaped section of the excavated tunnel is first required to be subjected to primary lining support masonry reinforcement, so that settlement of surrounding rocks of the tunnel is prevented. The tunnel constructed by surrounding rock with good geological conditions according to the new Otto principle has basically stable structure after primary support, but the primary support in a poor special geological section is difficult to ensure the long-term stability of the surrounding rock structure, and secondary lining molding concrete is needed to reinforce the surrounding rock so as to prevent the deformation and secondary sedimentation of the tunnel. Meanwhile, the primary support prevents water in the mountain from leaking and leaking in the tunnel, and the water-proof and drainage system is combined with the secondary lining to ensure that the tunnel is not leaked and leaked. The secondary lining can also improve creep pressure bearing weak surrounding rock, expansive pressure, additional load bearing of shallow tunnel and the like. The tunnel which is not reinforced by the secondary lining can not completely ensure the stability of surrounding rocks in the primary support of the tunnel, and particularly when the tunnel is subjected to larger natural changes, such as earthquake, mountain body, and other natural disasters with strong destructive power, such as bias voltage, excessive pressure water and the like, the secondary lining is needed to strengthen the support stability of the surrounding rocks of the tunnel.

In the prior art, when the secondary lining of the tunnel is reinforced, 13-15 operators are needed to cooperate, the standing height of the operators is lifted by using the lifting trolley, the whole reinforcing steel bar is attached to the vault of the tunnel from one side of the tunnel, wood is used as a supporting column, the positioning of the reinforcing steel bar is realized by increasing or reducing the number of cushion blocks, finally, an arch reinforcing steel bar attached to the vault of the tunnel is formed, and the secondary lining of the vault of the tunnel is reinforced by concrete pouring. At present, in the secondary lining reinforcement process of a tunnel, the technical problems mainly existing in the forming and positioning operation of arched steel bars are as follows: 1. adopting wood and cushion blocks to match and position the steel bars in a molding way, wherein the roundness of arched steel bars is out of round, so that the surface of the secondary lining concrete of the tunnel is not smooth, the thickness of the secondary lining concrete of the tunnel is uneven, and the stability of the secondary lining is directly corresponding to that of the secondary lining; 2. the forming and positioning of the arch steel bars of the secondary lining of the tunnel can be completed only by 13-15 operators, and large labor cost is required, and meanwhile, the manual forming and positioning work efficiency of the arch steel bars is low, so that the construction period of the tunnel is prolonged. The inventor develops a positioning and forming integrated machine for tunnel arch steel bars based on the defects in the prior art, and can well solve the problems in the prior art.

Disclosure of Invention

The invention aims to solve the technical problems and provides a positioning and forming integrated machine for tunnel arch steel bars, which has the advantages of simple design structure, scientific and reasonable structure, convenient operation and high degree of automation; according to the invention, on the basis of not changing the construction scheme of manually positioning and forming arched steel bars in the prior art, the annular main frame body is provided with the annular track, so that the annular track for lifting the steel bar lifting device in an annular movement manner is provided, meanwhile, the steel bar is clamped by the steel bar clamping device arranged on the steel bar lifting device, the steel bar is formed into an arch shape along with the annular lifting movement of the steel bar lifting device along the annular track, and meanwhile, the formed arched steel bar is positioned by the steel bar positioning mechanism, so that the roundness of the arched steel bar is improved.

The technical scheme adopted by the invention is as follows: the positioning and forming integrated machine for the arched steel bars of the tunnel comprises a hydraulic system, an electric control system, a supporting device, a traveling device and an annular track; the hydraulic system is fixedly arranged at the middle position of the upper part of the supporting device and is used for providing hydraulic power for the supporting device, the annular track swinging device and the positioning device; the electric control system is fixedly arranged at the right side of the hydraulic system and is used for providing power for the traveling device and the annular lifting device and controlling the opening and closing of the traveling device and the annular lifting device; the supporting device is arranged in the middle of the annular track and is used for realizing self lifting and supporting of the annular track; the walking device is fixedly arranged at four corners of the bottom of the supporting device and is used for enabling the supporting device to move in front and back positions; the annular rail is fixedly arranged at two side positions of the supporting device, the annular rail swinging device is fixedly arranged at the rear side position of the joint of the supporting device and the annular rail, the annular rail swinging device is symmetrically arranged at the rear side of the joint of the supporting device and the annular rail, and the annular rail swinging device is used for enabling the annular rail to realize front-rear rotary swinging; the annular lifting device is fixedly arranged on the annular track and is used for clamping the steel bars and pulling the steel bars to lift along the annular track from one side to the other side in an annular direction so that the steel bars form an arch; the positioning devices are arranged at equal intervals in the circumferential direction of the annular track, penetrate through the middle position of the annular track, are fixedly connected with the bottom of the annular track, and realize annular flexible positioning of the reinforcing steel bars through lifting; the limiting anti-falling device is fixedly arranged at one side of the positioning device and is used for limiting the position of the reinforcing steel bar on the positioning device and preventing the reinforcing steel bar from falling off from the positioning device; the operation panel is fixed to be set up in strutting arrangement's upper portion position, and the operation panel is used for standing operating personnel to realize the connection to the longitudinal reinforcement of arch reinforcing bar, forms crisscross netted reinforcing bar.

The support device comprises an annular track support, the annular track support is of a tetragonal structure, and the support lifting device is fixedly arranged at four corners of the bottom of the annular track support; the support lifting device comprises a supporting seat, a hydraulic cylinder is arranged at the upper part of the supporting seat, a hydraulic cylinder fixing body is fixedly arranged on the outer side wall of the annular track support, and the hydraulic cylinder penetrates through the hydraulic cylinder fixing body to be fixedly connected with the annular track support; the movable body is fixedly arranged at the lower part of the supporting seat, the movable supporting body is arranged at the bottom of the movable body, a movable groove is arranged at the middle position of the upper part of the movable supporting body, and the movable body is clamped in the movable groove to realize the left-right movement of the movable body; the movable hydraulic cylinder is arranged at the front side of the movable body, two connecting plates are arranged, one connecting plate is fixedly arranged at the middle position of the left side of the movable body, the other connecting plate is fixedly arranged at the upper position of the right side of the movable support body, and the movable hydraulic cylinder is fixedly connected into a whole through the left connecting plate and the right connecting plate.

The walking device comprises four connecting bodies, the four connecting bodies are respectively and fixedly arranged at four corners of the bottom of the annular track bracket, and the connecting bodies are positioned at the inner side of the bracket lifting device; the driven wheel is fixedly arranged at the front and rear positions of the left side of the annular track bracket and is fixedly connected with the connecting body; the support frame is fixed to be set up the bottom position at the connector on annular track support right side, and the support frame is the L type, and the fixed inside intermediate position that sets up at the support frame of walking wheel, walking wheel are the upper and lower level setting with the connector on upper portion, and driving motor is fixed to be set up in the one side position of support frame, is connected through the drive belt transmission between driving motor and the walking wheel.

The annular track comprises an annular track body, the annular track body is arc-shaped, guide grooves are fixedly arranged at two sides of the upper part of the annular track body, arc-shaped plates are fixedly arranged at the bottom of the annular track body, positioning device mounting holes are uniformly formed around the circumference of the arc-shaped plates, interval reinforcing plates are uniformly formed around the circumference of the arc-shaped plates, and the interval reinforcing plates and the positioning device mounting holes are staggered; the chains are fixedly arranged on the edge surfaces of the two sides of the upper part of the annular track body, and the two chains are arranged in parallel.

The annular track swinging device comprises a mounting seat, wherein the mounting seat is fixedly arranged at the rear position of the left end and the right end of the upper part of the annular track support, the mounting seat is fixedly connected with the inner side wall of the annular track support, the hydraulic cylinder A is fixedly arranged on the mounting seat, the swinging connecting plate is fixedly arranged at the upper position of the telescopic cylinder of the hydraulic cylinder A, the rotating shaft sleeve is fixedly arranged at the position between the upper part of the annular track support and the positions, close to the upper part, of the two sides of the annular track body, one end of the rotating shaft sleeve is fixedly connected with the annular track support, and the other end of the rotating shaft sleeve is fixedly connected with the annular track body through a connecting rod.

The annular lifting device comprises a bracket, wherein the bracket is in a shape like a Chinese character 'ji', clamping devices are fixedly arranged at the upper part of the bracket at equal intervals, and the clamping devices are linearly arranged at the upper part of the bracket; the side plates are provided with two blocks, one block is fixedly arranged at the left side position of the bracket, and the other block is fixedly arranged at the right side position of the bracket; the stepping motor is fixedly arranged at the left side of the bracket, the speed reducer is fixedly arranged at the right side of the bracket, the connecting shaft is fixedly arranged at the middle of the bracket, the left end of the connecting shaft is fixedly connected with the power output shaft of the stepping motor, and the right end of the connecting shaft is fixedly connected with the power output shaft of the speed reducer; the two driving gears are arranged, one driving gear is fixedly arranged at the left side position of the connecting shaft, and the other driving gear is fixedly arranged at the right side position of the connecting shaft; the guide wheel fixing shafts are respectively fixedly arranged at the lower positions of the inner sides of the left side plate and the right side plate, guide wheels are arranged at the inner side ends of the left guide wheel fixing shafts and the right guide wheel fixing shafts, and the guide wheels are sleeved in guide grooves of the annular track.

The support is placed on the annular track body, and the left side plate and the right side plate of the support correspond to the guide groove of the annular track body.

The left driving gear is arranged up and down correspondingly to the left chain, and is meshed with the chain for transmission; the right driving gear is arranged up and down correspondingly to the right chain, and is meshed with the right chain for transmission.

The driving motor of the walking device and the stepping motor of the annular lifting device are fixedly connected with an electric control system through connecting wires, and the electric control system is used for controlling the opening and closing of the driving motor and the stepping motor.

The clamping device comprises a clamping bottom plate, the clamping bottom plate is fixedly arranged at the upper part of the bracket, the sliding grooves are fixedly arranged at the front side and the rear side of the clamping bottom plate, and the sliding grooves are hollow grooves penetrating through the clamping bottom plate body; the fixed clamping block is fixedly arranged at the upper part of the left side of the clamping bottom plate, the bottom of the movable clamping block is provided with a limiting block, and the limiting block is clamped in the sliding groove; the clamping grooves are arranged on the inner side surfaces of the fixed clamping block and the movable clamping block, and the left clamping groove and the right clamping groove are symmetrically arranged left and right; the screw rod mounting panel is fixed to be set up in the right side upper portion position of pressing from both sides tight bottom plate, and tight screw hole in top is set up in the intermediate position of screw rod mounting panel, and tight screw rod in top passes tight screw hole in top and removes the right side intermediate position fixed connection who presss from both sides tight piece.

The positioning device comprises a hydraulic cylinder B fixedly arranged in a rectangular shell, a telescopic cylinder is fixedly arranged at the center of the hydraulic cylinder B, the hydraulic cylinder B is fixedly connected with an electromagnetic oil valve of a hydraulic system through a hydraulic oil pipe, and the hydraulic system injects hydraulic oil for enabling the telescopic cylinder to extend and retract into the hydraulic cylinder B through the electromagnetic oil valve; the positioning table is a platform with a conical bottom and a cuboid upper part, and is fixedly arranged at the upper part of the telescopic cylinder; the flexible positioning wheels are transversely and fixedly arranged at the upper part of the positioning table, are arranged on the positioning table in a line-type parallel manner, are used for positioning the steel bars under the telescopic fit of the telescopic cylinders, and comprise left support rods, the left support rods and the right support rods are symmetrically and fixedly arranged at the upper part of the positioning table, and springs are sleeved on the left support rods and the right support rods; the left support plate is fixedly arranged on the upper part of the left support rod, and the right support plate is fixedly arranged on the upper part of the right support plate; the two ends of the inside of the positioning wheel are provided with bearings, the rotating shaft sequentially passes through the right support plate, the positioning wheel, the rotating shaft and the left support plate from left to right, the left end of the rotating shaft is used for limiting and fixing the rotating shaft through a shaft pin, the positioning wheel comprises a positioning wheel body, the positioning wheel body is cylindrical, a limiting concave arc is arranged at the middle position of the positioning wheel body, and the shaft pin passes through the center position of the left end of the rotating shaft; the rectangular shell is in an upper opening and a periphery of the rectangular shell is closed, and the rectangular shell is fixedly connected with the bottom of the arc-shaped plate.

The hydraulic cylinder B, the telescopic cylinder, the positioning table and the flexible positioning wheel pass through the mounting hole of the positioning device and extend to the upper part of the annular track body; the upper part of the rectangular shell is fixedly connected with the bottom of the arc-shaped plate.

The limiting anti-falling device is fixedly arranged at one side of the front end of the flexible positioning wheel, and is arranged in front-back parallel with the flexible positioning wheel.

The limiting anti-drop device comprises a mounting plate, wherein the mounting plate is fixedly arranged at the front side of the positioning table, the upper part of the upper telescopic plate is fixedly provided with the mounting table, the limiting anti-drop wheel is fixedly arranged at the middle position of the mounting table through a fixed shaft, the lower part of the fixed shaft extends to the lower part of the mounting table, and the outer surface of the lower end of the fixed shaft is provided with external threads; the fixed telescopic slots are fixedly arranged at the upper part of the left side of the mounting plate, the upper telescopic plate is clamped in the fixed telescopic slots, one telescopic sliding slot is fixedly arranged at the middle position of the fixed telescopic slots, and the other two telescopic sliding slots are fixedly arranged at the left side and the right side of the fixed telescopic slots; the upper linkage shaft wheel is fixedly arranged at the upper part of the telescopic sliding groove and penetrates through the telescopic sliding groove to be fixedly connected with the upper telescopic plate; the lower end of the tensioning spring passes through a right telescopic sliding groove of the fixed telescopic groove through a fixing screw to be fixedly connected with the lower part of the right side of the upper telescopic plate, and the upper part of the tensioning spring is fixedly connected with the middle upper part of the rotating plate through the fixing screw; the linkage plate is fixedly arranged at the middle position of the upper part of the telescopic slide way through a fixed hinge shaft; the vertical fixed setting in the right side position of mounting panel of flexible slide, the fixed upper position that sets up in flexible slide of U type expansion groove, lower expansion plate clamping is in the flexible groove of U type, and lower linkage arbor wheel is fixed to be set up in the upper position of lower expansion plate.

The using process of the tunnel arch steel bar positioning and forming integrated machine is as follows: 1. the adjusting process of the position of the tunnel arch steel bar positioning and forming integrated machine before working: firstly, a driving motor of a travelling device is started through an electric control system, and the driving motor drives travelling wheels to reversely or positively rotate through a transmission belt, so that driven wheels are driven to rotate, and finally, the movement adjustment of the front and rear positions of an annular track support and an annular track is realized; until the arch-shaped steel bar positioning and forming integrated machine of the tunnel is moved and adjusted to a position corresponding to the center of the tunnel; then, a hydraulic cylinder of a bracket lifting device is started through a hydraulic system, the hydraulic cylinder is stretched at the moment, a supporting seat, a movable body and a movable supporting body are contacted with the ground of a tunnel, when the left and right positions of the tunnel arch steel bar positioning and forming integrated machine are required to be adjusted, the movable hydraulic cylinder is started through the hydraulic system, and the left and right movement of the movable body relative to a movable groove of the movable supporting body is realized under the left and right telescopic action of the movable hydraulic cylinder, so that the left and right position movement adjustment of the tunnel arch steel bar positioning and forming integrated machine is realized; when the movable hydraulic cylinder stops working, the annular track support and the annular track are supported by the supporting seat, so that the function of supporting the tunnel arch steel bar positioning and forming integrated machine is achieved. 2. The forming and positioning process of the arched steel bars comprises the following steps: firstly, a hydraulic cylinder A of the annular track swinging device is started through a hydraulic system, a telescopic cylinder of the hydraulic cylinder A is stretched, a swinging connecting plate is pushed to push upwards in the stretching process of the hydraulic cylinder A, the swinging connecting plate pushes a rotating shaft sleeve to rotate, and finally the annular track body of the annular track swinging device is rotated through the rotation of the rotating shaft sleeve; then placing the steel bars in clamping grooves of the fixed clamping block and the movable clamping block, tightening a jacking screw rod of the clamping device through a tool, and pushing the movable clamping block to move leftwards under the meshing tightening of a jacking screw hole under the tightening action of the jacking screw rod until the movable clamping block and the fixed clamping block clamp the steel bars, so that the clamping process of the steel bars is realized; when the clamping device clamps the steel bars, the annular track is restored to the original position by repeating the actions through the annular track swinging device, and at the moment, the stepping motor of the annular lifting device is started through the electric control system and drives the connecting shaft to rotate, and meanwhile, the rotating torque of the connecting shaft is improved through the torque increasing action of the speed reducer; in the rotation process of the connecting shaft, the left and right driving gears are driven to rotate, and under the meshing transmission action of the driving gears and the chains, the support is lifted and moved along the upper part of the annular track body, and at the moment, the guide wheels guide the track through the guide grooves and move along with the lifting and moving of the support in the annular track body; the annular lifting device pulls the steel bar to be pulled upwards along the annular track body from the left side of the annular track, when the steel bar exceeds the first positioning device on the annular track body, the hydraulic cylinder B of the positioning device is started through the hydraulic system, the telescopic cylinder stretches upwards to lift, and meanwhile, the positioning table is jacked upwards; the lower expansion plate of the limiting anti-drop device arranged on the positioning table leaves the arc plate (when the lower expansion plate does not leave the arc plate, the lower expansion plate is in contact with the arc plate, the lower expansion plate takes the expansion slide way as a sliding support at the moment and is positioned at the upper part of the expansion slide way, the lower expansion plate jacks up the right end of the linkage plate, the left end of the linkage plate swings downwards due to the hinged rotation of the fixed hinge shaft, the upper linkage shaft wheel is pushed to move downwards at the same time, so that the upper expansion plate moves downwards, the limiting anti-drop wheel is lower than the position of the flexible positioning wheel when the tension spring is compressed, the upper expansion plate is pulled to move upwards by taking the expansion slide groove as a sliding support under the stretching action of the tension spring, the limiting anti-drop wheel on the mounting table is vertical and level with the flexible positioning wheel due to the upward movement of the upper expansion plate, and the reinforcing steel bar on the flexible positioning wheel is limited on the flexible positioning wheel at the moment, and the reinforcing steel bar is prevented from deviating from the flexible positioning wheel; when the parallel flexible positioning wheels are in contact with a plurality of steel bars, the limiting concave arcs on the positioning wheels just correspond to the corresponding steel bars, and the springs on the left support rod and the right support rod are compressed due to the contact with the steel bars along with the continuous rising of the telescopic cylinders, so that the springs play a role in flexible buffering, the flexible positioning wheels can realize flexible positioning of the steel bars, meanwhile, the steel bars are pushed upwards along with the continuous upward annular lifting of the annular lifting device, and meanwhile, the flexible positioning wheels are matched with the annular lifting device to push the steel bars upwards further, so that friction force between the positioning device and the steel bars in the arch forming process is reduced, and meanwhile, the annular lifting pushing force is provided for forming of the arch steel bars; along with the continuous upward lifting of the steel bars, the steel bars are positioned one by utilizing all positioning devices, and meanwhile, the steel bars are flexibly positioned by all positioning devices, so that the steel bars form arched steel bars which are clung to a tunnel vault. Finally, an operator stands on the operation table to connect the longitudinal bars to the formed arch bars, and finally, the net-shaped arch bars are formed.

The support device comprises an annular track support, the annular track support is of a tetragonal structure, and the support lifting device is fixedly arranged at four corners of the bottom of the annular track support; the support lifting device comprises a supporting seat, a hydraulic cylinder is arranged at the upper part of the supporting seat, a hydraulic cylinder fixing body is fixedly arranged on the outer side wall of the annular track support, and the hydraulic cylinder penetrates through the hydraulic cylinder fixing body to be fixedly connected with the annular track support; the movable body is fixedly arranged at the lower part of the supporting seat, the movable supporting body is arranged at the bottom of the movable body, a movable groove is arranged at the middle position of the upper part of the movable supporting body, and the movable body is clamped in the movable groove to realize the left-right movement of the movable body; the movable hydraulic cylinder is arranged at the front side of the movable body, two connecting plates are arranged, one connecting plate is fixedly arranged at the middle position of the left side of the movable body, the other connecting plate is fixedly arranged at the upper position of the right side of the movable support body, and the movable hydraulic cylinder is fixedly connected into a whole through the left connecting plate and the right connecting plate. The main purpose of this arrangement is: on one hand, after the positioning and forming integrated machine of the tunnel arch steel bar and the central position of the tunnel are adjusted, the support lifting device is utilized to form a stable supporting effect on the positioning and forming integrated machine of the tunnel arch steel bar; on the other hand, the lifting height of the positioning and forming integrated machine of the tunnel arch steel bars can be improved by utilizing the telescopic travel of the hydraulic cylinder, and the adaptability of the positioning and forming integrated machine of the tunnel arch steel bars to tunnels with different sizes can be improved. On the other hand, the telescopic travel of the hydraulic cylinder is matched with the telescopic travel of the hydraulic cylinder B of the positioning device, so that the travel of the hydraulic cylinder of the bracket lifting device can be used as the travel height supplement of the hydraulic cylinder B of the positioning device under the working condition of extremely high tunnel height, and the arch forming and positioning of the steel bars of the extremely high tunnel can be realized.

The walking device comprises four connecting bodies, the four connecting bodies are respectively and fixedly arranged at four corners of the bottom of the annular track bracket, and the connecting bodies are positioned at the inner side of the bracket lifting device; the driven wheel is fixedly arranged at the front and rear positions of the left side of the annular track bracket and is fixedly connected with the connecting body; the support frame is fixedly arranged at the bottom position of the connecting body on the right side of the annular track support, the support frame is L-shaped, the travelling wheels are fixedly arranged at the middle position inside the support frame, the travelling wheels are horizontally arranged up and down with the connecting body on the upper part of the travelling wheels, the driving motor is fixedly arranged at one side position of the support frame, and the driving motor is in transmission connection with the travelling wheels through a transmission belt; the travelling wheel and the driven wheel are universal wheels. The main purpose of this arrangement is: the walking device is utilized to realize the adjustment of the left, right, front and back positions of the tunnel arch steel bar positioning and forming integrated machine, so that the tunnel arch steel bar positioning and forming integrated machine is kept corresponding to the central line of a tunnel, and the accuracy of tunnel arch steel bar forming and positioning is improved.

The annular track comprises an annular track body, the annular track body is arc-shaped, guide grooves are fixedly arranged at two sides of the upper part of the annular track body, arc-shaped plates are fixedly arranged at the bottom of the annular track body, positioning device mounting holes are uniformly formed around the circumference of the arc-shaped plates, interval reinforcing plates are uniformly formed around the circumference of the arc-shaped plates, and the interval reinforcing plates and the positioning device mounting holes are staggered; the chains are fixedly arranged on the edge surfaces of the two sides of the upper part of the annular track body, and the two chains are arranged in parallel. Wherein the positioning device mounting holes are arranged to provide mounting positions for the positioning device. Wherein the setting main objective of arc and interval reinforcing plate is: on the one hand, provide firm fixed tie point for positioner's rectangle casing, on the other hand, utilize the interval reinforcing plate to improve the fixed action to rectangle casing for the arc to finally improved the fixed stability of pneumatic cylinder B, improved positioner's accuracy to the location of reinforcing bar.

The annular track swinging device comprises a mounting seat, wherein the mounting seat is fixedly arranged at the rear position of the left end and the right end of the upper part of the annular track support, the mounting seat is fixedly connected with the inner side wall of the annular track support, the hydraulic cylinder A is fixedly arranged on the mounting seat, the swinging connecting plate is fixedly arranged at the upper position of the telescopic cylinder of the hydraulic cylinder A, the rotating shaft sleeve is fixedly arranged at the position between the upper part of the annular track support and the positions, close to the upper part, of the two sides of the annular track body, one end of the rotating shaft sleeve is fixedly connected with the annular track support, and the other end of the rotating shaft sleeve is fixedly connected with the annular track body through a connecting rod. The main purpose of this arrangement is: the hydraulic system is used for starting a hydraulic cylinder A of the annular track swinging device, so that a telescopic cylinder of the hydraulic cylinder A is stretched out, a swinging connecting plate is pushed to push upwards in the stretching process of the hydraulic cylinder A, the swinging connecting plate pushes a rotating shaft sleeve to rotate, and finally the annular track body of the annular track swinging device is rotated through the rotation of the rotating shaft sleeve; on the one hand, the steel bar is convenient to clamp and fix on the clamping device, and on the other hand, when the steel bar is in a vertical straight line with the annular lifting device, the annular lifting device is utilized to smoothly lift and pull the steel bar in the annular direction.

The annular track of the tunnel arch steel bar positioning and forming all-in-one machine is transversely arranged with the section of the tunnel in the tunnel due to the fact that the steel bars are placed along the edges of the two sides of the tunnel, the placing position of the steel bars is vertical to the position of the annular track, when the clamping device clamps the steel bars, the annular lifting device is utilized to lift a plurality of steel bars upwards along the annular track, and the annular lifting device cannot lift the steel bars due to the fact that the steel bars are not on the same horizontal line with the annular lifting device and the annular track.

The bracket is in a shape like a Chinese character 'ji', the clamping devices are fixedly arranged at equal intervals on the upper part of the bracket, and the clamping devices are linearly arranged on the upper part of the bracket; the side plates are provided with two blocks, one block is fixedly arranged at the left side position of the bracket, and the other block is fixedly arranged at the right side position of the bracket; the stepping motor is fixedly arranged at the left side of the bracket, the speed reducer is fixedly arranged at the right side of the bracket, the connecting shaft is fixedly arranged at the middle of the bracket, the left end of the connecting shaft is fixedly connected with the power output shaft of the stepping motor, and the right end of the connecting shaft is fixedly connected with the power output shaft of the speed reducer; the two driving gears are arranged, one driving gear is fixedly arranged at the left side position of the connecting shaft, and the other driving gear is fixedly arranged at the right side position of the connecting shaft; the guide wheel fixing shafts are respectively fixedly arranged at the lower positions of the inner sides of the left side plate and the right side plate, guide wheels are arranged at the inner side ends of the left guide wheel fixing shafts and the right guide wheel fixing shafts, and the guide wheels are sleeved in guide grooves of the annular track; the left driving gear is arranged up and down correspondingly to the left chain, and is meshed with the chain for transmission; the right driving gear is arranged up and down correspondingly to the right chain, and is meshed with the right chain for transmission. The main purpose of this arrangement is: on one hand, the annular lifting device is used for pulling the steel bars, lifting and moving along the annular track body from one side to the other side, and forming the linear steel bars into arched steel bars; on the other hand, through the cooperation of leading wheel and guide way, in the annular promotion pulling reinforcing bar in-process, played the guide effect, improved the stability that annular hoisting device moved on annular track body annular to finally improved the circularity of arch reinforcing bar.

The clamping bottom plate is fixedly arranged at the upper part of the bracket, the sliding grooves are fixedly arranged at the front side and the rear side of the clamping bottom plate, and the sliding grooves are hollow grooves penetrating through the clamping bottom plate body; the fixed clamping block is fixedly arranged at the upper part of the left side of the clamping bottom plate, the bottom of the movable clamping block is provided with a limiting block, and the limiting block is clamped in the sliding groove; the main purpose of this arrangement is: through the setting of sliding tray, on the one hand for the position adjustment of movable clamp block provides the gliding space, on the other hand, the clamping of limit piece provides the space to utilize the setting of stopper to limit movable clamp block in the sliding tray, realized the adjustment of the tight interval of clamp between movable clamp block and the fixed clamp block, adapted to the clamp to the reinforcing bar of different diameters.

The clamping grooves are arranged on the inner side surfaces of the fixed clamping block and the movable clamping block, and the left clamping groove and the right clamping groove are symmetrically arranged left and right; the main purpose of this arrangement is: by arranging the clamping grooves, the steel bars can be limited in the clamping grooves, so that the steel bars are prevented from being offset due to overlarge clamping force; on the other hand, the clamping friction force on the steel bars is improved, and the clamping force on the steel bars is improved.

The screw rod mounting plate is fixedly arranged at the upper right side position of the clamping bottom plate, the jacking screw hole is formed in the middle position of the screw rod mounting plate, and the jacking screw rod penetrates through the jacking screw hole and is fixedly connected with the middle right side position of the movable clamping block. The main purpose of this arrangement is: on one hand, the jacking screw rod and the jacking screw hole are matched for screwing, so that the jacking effect on the movable clamping block is realized; on the other hand, the movable clamping block can be locked at a proper clamping position by the matched screwing of the jacking screw rod and the jacking screw hole.

The hydraulic cylinder B, the telescopic cylinder, the positioning table and the flexible positioning wheel pass through the mounting hole of the positioning device and extend to the upper part of the annular track body; the upper part of the rectangular shell is fixedly connected with the bottom of the arc-shaped plate. The main purpose of this arrangement is: on the one hand, the hydraulic cylinder B, the telescopic cylinder, the positioning table and the flexible positioning wheel can be fixed on the arc plate by utilizing the fixed connection of the rectangular shell and the bottom of the arc plate, so that the functions of the suspended hydraulic cylinder B, the telescopic cylinder, the positioning table and the flexible positioning wheel are achieved, the telescopic action of the hydraulic cylinder B and the telescopic cylinder is facilitated, the positioning table and the flexible positioning wheel can realize up-and-down telescopic positioning of the steel bars; on the other hand, the flexible positioning wheel is utilized to flexibly position the reinforcing steel bars, and the accuracy of positioning the reinforcing steel bars is improved.

The positioning table is fixedly arranged at the upper part of the telescopic cylinder; the flexible positioning wheels are transversely and fixedly arranged at the upper part of the positioning table, are arranged on the positioning table in a line-type parallel manner, and are used for positioning the reinforcing steel bars under the telescopic fit of the telescopic cylinders. The main purpose of this arrangement is: the flexible positioning wheel is arranged to provide a space for mounting and fixing by utilizing the positioning table, and meanwhile, flexible positioning of the steel bars is realized by utilizing the flexible positioning wheel and the expansion of the hydraulic cylinder, so that the positioning precision and efficiency of the arch steel bars are improved, and the friction between the positioning blocks and the arch steel bars is reduced.

The flexible positioning wheel comprises a left support rod, the left support rod and the right support rod are symmetrically and fixedly arranged at the upper part of the positioning table, and springs are sleeved on the left support rod and the right support rod; the left support plate is fixedly arranged on the upper part of the left support rod, and the right support plate is fixedly arranged on the upper part of the right support plate; bearings are arranged at two ends of the inside of the positioning wheel, and a rotating shaft penetrates through the center of the positioning wheel and inner rings in the left bearing and the right bearing to fix the positioning wheel on the left supporting plate and the right supporting plate; the shaft pin passes through the center of the left end of the rotating shaft. The main purpose of this arrangement is: when the positioning wheels contact the steel bars, the springs arranged on the left support bar and the right support bar play a role in buffering and positioning, so that the positioning precision and efficiency of the arched steel bars are improved, friction between the positioning blocks and the arched steel bars is reduced, and the annular lifting pushing force is provided for forming the arched steel bars.

The limiting anti-falling device is fixedly arranged at one side of the front end of the flexible positioning wheel, and is arranged in parallel front and back with the flexible positioning wheel; the main purpose of this arrangement is: the steel bars positioned on the flexible positioning wheel are further limited by the limiting anti-falling device, so that the steel bars are prevented from falling off from the flexible positioning wheel.

The mounting plate is fixedly arranged at the front side of the positioning table, the mounting table is fixedly arranged at the upper part of the upper telescopic plate, the limiting anti-drop wheel is fixedly arranged at the middle position of the mounting table through the fixed shaft, the lower part of the fixed shaft extends to the lower part of the mounting table, and external threads are arranged on the outer surface of the lower end of the fixed shaft; wherein set up the mounting panel and be: the limiting anti-falling device is arranged at the front side of the positioning table of the positioning device, so that the lower expansion plate extends to the upper part of the arc-shaped plate, and a power source is provided for the linkage action of the limiting anti-falling device.

The fixed telescopic slots are fixedly arranged at the upper part of the left side of the mounting plate, the upper telescopic plate is clamped in the fixed telescopic slots, one telescopic sliding slot is fixedly arranged at the middle position of the fixed telescopic slots, and the other two telescopic sliding slots are fixedly arranged at the left side and the right side of the fixed telescopic slots; the main purpose of this arrangement is: on one hand, a sliding supporting function is provided for the up-and-down telescopic action of the upper telescopic plate; on the other hand, a limiting effect is provided for the upper expansion plate.

The upper linkage shaft wheel is fixedly arranged at the upper part of the telescopic sliding groove and penetrates through the telescopic sliding groove to be fixedly connected with the upper telescopic plate; the main purpose of this arrangement is: the upper expansion plate is limited on one hand, and the upper expansion plate is prevented from moving upwards too much to fall off from the fixed expansion groove; on the other hand, by means of the arrangement of the upper linkage shaft wheel, when the lower expansion plate moves downwards, the lower expansion plate is in tight contact with the top of the arc plate, the lower expansion plate is supported in a sliding mode by the aid of the telescopic slide way, when the lower expansion plate props against the bottom of the right side of the linkage plate, the linkage plate rotates through the fixed hinge shaft, the linkage plate contacts the upper linkage shaft wheel downwards, the upper expansion plate moves downwards, and retraction of the limiting anti-drop wheel is achieved.

The lower end of the tensioning spring passes through a right telescopic sliding groove of the fixed telescopic groove through a fixing screw to be fixedly connected with the lower right side of the upper telescopic plate, and the upper part of the tensioning spring is fixedly connected with the middle upper part of the rotating plate through the fixing screw; the main purpose of this arrangement is: on the one hand, when the lower expansion plate leaves the arc, the lower expansion plate takes telescopic sliding as sliding support, and the lower expansion plate leaves the lower part of the right end of the linkage plate, and at the moment, the upper expansion plate is pulled by the telescopic force of the tensioning spring to take the telescopic sliding groove as sliding support, so that the upward movement of the upper expansion plate is stretched out, the flush of the limiting anti-drop wheel and the flexible positioning wheel is realized, the limiting anti-drop wheel plays a role in limiting the position of the reinforcing steel bar on the flexible positioning wheel, and the reinforcing steel bar is prevented from falling off from the flexible positioning wheel.

The linkage plate is fixedly arranged at the middle position of the upper part of the telescopic slide way through a fixed hinge shaft; the vertical fixed setting in the right side position of mounting panel of flexible slide, the fixed upper position that sets up in flexible slide of U type expansion groove, lower expansion plate clamping is in the flexible groove of U type, and lower linkage arbor wheel is fixed to be set up in the upper position of lower expansion plate. The main purpose of this arrangement is: through the up-and-down movement of the lower expansion plate, the up-and-down rotation of the linkage plate is realized, so that a driving force is provided for the downward movement of the upper expansion plate.

The invention has the beneficial effects that: the invention provides a positioning and forming integrated machine for tunnel arch steel bars, which has the advantages of simple design structure, scientific and reasonable structure, convenient operation and high degree of automation; the method reduces the labor input cost by more than half (5-7 persons in cooperation), greatly improves the working efficiency of positioning and forming the tunnel arch steel bars, improves the roundness of the tunnel arch steel bars, and makes the surface of the tunnel secondary lining concrete smooth, thereby ensuring that the thickness of the tunnel secondary lining concrete is uniform and improving the stability of the tunnel secondary lining.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is an enlarged view of the structure of the stand lifting device of the present invention;

FIG. 4 is a schematic view of the circumferential track of the present invention;

FIG. 5 is a front view of the circumferential lifting device and positioning device of the present invention;

FIG. 6 is a front view of the clamping device of the present invention;

FIG. 7 is a front view of the positioning device of the present invention;

FIG. 8 is a front view of a flexible positioning wheel of the positioning device of the body invention;

FIG. 9 is a schematic structural view of a limiting and anti-falling device according to the present invention;

FIG. 10 is a front view of a rotating sleeve of the circular orbit wobbler of the present invention;

FIG. 11 is a side view of a first embodiment of the looped track wobble apparatus of the present invention;

FIG. 12 is a side view of a second embodiment of the looped track wobble apparatus of the present invention;

The marks in the figure: 1. the hydraulic system, 2, the electric control system, 3, the supporting device, 31, the endless track bracket, 32, the bracket lifting device, 321, the supporting seat, 322, the hydraulic cylinder fixing body, 323, the hydraulic cylinder, 324, the moving body, 325, the moving supporting body, 326, the moving groove, 327, the moving hydraulic cylinder, 328, the connecting plate, 4, the traveling device, 41, the connecting body, 42, the supporting frame, 43, the traveling wheel, 44, the driving motor, 45, the driving belt, 46, the driven wheel, 5, the endless track, 51, the endless track body, 52, the guiding groove, 53, the arc plate, 54, the positioning device mounting hole, 55, the interval reinforcing plate, 56, the chain, 6, the endless track swinging device, 61, the mounting seat, 62, the hydraulic cylinder A,63, the swinging connecting plate, 64, the rotating shaft sleeve, 65, the motor, 66, the hydraulic motor, 67, the rotating shaft sleeve gear, 68, the driving chain, 69, the driving gear, 7, a circumferential lifting device, 71, a bracket, 72, a side plate, 73, a clamping device, 731, a clamping bottom plate, 732, a sliding groove, 733, a fixed clamping block, 734, a movable clamping block, 735, a limiting block, 736, a clamping groove, 737, a screw mounting plate, 738, a tightening screw hole, 739, a tightening screw, 74, a stepping motor, 75, a speed reducer, 76, a connecting shaft, 77, a driving gear, 78, a guide wheel fixing shaft, 79, a guide wheel, 8, a positioning device, 81, a hydraulic cylinder B,82, a telescopic cylinder, 83, a positioning table, 84, a flexible positioning wheel, 841, a left supporting rod, 842, a right supporting rod, 843, a spring, 844, a left supporting plate, 845, a right supporting plate, 846, a rotating shaft, 847, a positioning wheel, 8471, a positioning wheel body, 8472, a limiting concave arc, 848, a bearing, 849, a shaft pin, 85, a rectangular housing, 9, a limiting anti-drop device, 91. the device comprises a mounting plate, 92, an upper expansion plate, 93, a mounting table, 94, a limiting anti-drop wheel, 95, a fixed shaft, 96, a fixed expansion groove, 97, an expansion sliding groove, 98, an upper linkage shaft wheel, 99, a tension spring, 910, a linkage plate, 911, a fixed hinge shaft, 912, an expansion slide way, 913, a U-shaped expansion groove, 914, a lower expansion plate, 915, a lower linkage shaft wheel, 10, a reinforcing steel bar, 11 and an operation table.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the drawings.

As shown in the figure, the invention provides a positioning and forming integrated machine for tunnel arch steel bars, which comprises a hydraulic system 1, an electric control system 2, a supporting device 3, a traveling device 4 and an annular track 5; the hydraulic system 1 is fixedly arranged at the upper middle position of the supporting device 3, and the hydraulic system 1 is used for providing hydraulic power for the supporting device 3, the annular track swinging device 6 and the positioning device 8; the electric control system 2 is fixedly arranged at the right side position of the hydraulic system 1, and the electric control system 2 is used for providing power for the traveling device 4 and the annular lifting device 7 and controlling the opening and closing of the traveling device 4 and the annular lifting device; the supporting device 3 is arranged in the middle of the annular track 5, and the supporting device 3 is used for realizing self lifting and supporting of the annular track 5; the walking device 4 is fixedly arranged at four corners of the bottom of the supporting device 3, and the walking device 4 is used for enabling the supporting device 3 to move in front and back positions; the annular rail 5 is fixedly arranged at two side positions of the supporting device 3, the annular rail swinging device 6 is fixedly arranged at the rear side position of the joint of the supporting device 3 and the annular rail 5, the annular rail swinging device 6 is symmetrically arranged at the rear side of the joint of the supporting device 3 and the annular rail 5, and the annular rail swinging device 6 is used for enabling the annular rail 5 to swing in a front-back rotation manner; the annular lifting device 7 is fixedly arranged on the annular track 5, and the annular lifting device 7 is used for clamping the steel bar 10 and pulling the steel bar 10 to lift along the annular track 5 from side to side in an annular direction, so that the steel bar 10 forms an arch; the positioning devices 8 are arranged at equal intervals in the circumferential direction of the annular track 5, the positioning devices 8 penetrate through the middle position of the annular track 5 and are fixedly connected with the bottom of the annular track 5, and the positioning devices 8 realize annular flexible positioning of the reinforcing steel bars 10 through lifting; the limiting anti-falling device 9 is fixedly arranged at one side of the positioning device 8, and the limiting anti-falling device 9 is used for limiting the position of the reinforcing steel bar 10 on the positioning device 8 and preventing the reinforcing steel bar 10 from falling off from the positioning device 8; the operation table 11 is fixedly arranged at the upper part of the supporting device 3, and the operation table 10 is used for a standing operator to realize the connection of the longitudinal steel bars 10 of the arch steel bars 10 so as to form staggered net-shaped steel bars 10.

The supporting device 3 comprises an annular track bracket 31, the annular track bracket 31 is of a tetragonal structure, and a bracket lifting device 32 is fixedly arranged at four corners of the bottom of the annular track bracket 31; the bracket lifting device 32 comprises a supporting seat 321, a hydraulic cylinder 323 is arranged at the upper part of the supporting seat 321, a hydraulic cylinder fixing body 322 is fixedly arranged on the outer side wall of the annular track bracket 31, and the hydraulic cylinder 323 passes through the hydraulic cylinder fixing body 322 to be fixedly connected with the annular track bracket 31; the movable body 324 is fixedly arranged at the lower part of the supporting seat 321, the movable supporting body 325 is arranged at the bottom part of the movable body 324, the upper middle part of the movable supporting body 325 is provided with a movable groove 326, and the movable body 324 is clamped in the movable groove 326 to realize the left-right movement; the movable hydraulic cylinder 327 is disposed at a front side position of the movable body 324, two connection plates 328 are disposed, one is fixedly disposed at a left middle position of the movable body 324, the other is fixedly disposed at a right upper position of the movable support body 325, and the movable hydraulic cylinder 327 is fixedly connected as a whole through the left and right connection plates 328.

The walking device 4 comprises four connecting bodies 41, the four connecting bodies 41 are respectively and fixedly arranged at four corners of the bottom of the annular track bracket 31, and the connecting bodies 41 are positioned at the inner side of the bracket lifting device 32; the driven wheel 46 is fixedly arranged at the front and rear positions of the left side of the annular track bracket 31, and the driven wheel 46 is fixedly connected with the connector 41; the support frame 42 is fixed to be set up in the bottom position of the connector 41 on the right side of annular track support 31, and support frame 42 is L type, and walking wheel 43 is fixed to be set up in the inside intermediate position of support frame 42, and walking wheel 43 is the upper and lower level setting with its upper portion's connector 41, and driving motor 44 is fixed to be set up in the one side position of support frame 42, is connected through the transmission of drive belt 45 between driving motor 44 and the walking wheel 43.

The annular track 5 comprises an annular track body 51, the annular track body 51 is arc-shaped, guide grooves 52 are fixedly arranged at two sides of the upper part of the annular track body 51, arc-shaped plates 53 are fixedly arranged at the bottom of the annular track body 51, positioning device mounting holes 54 are uniformly arranged around the circumference of the arc-shaped plates 53, interval reinforcing plates 55 are uniformly arranged around the circumference of the arc-shaped plates 53, and the interval reinforcing plates 55 and the positioning device mounting holes 54 are staggered; the chains 56 are fixedly arranged on two side edge surfaces of the upper part of the annular track body 51, and the two chains 56 are arranged in parallel.

The annular track swinging device 6 comprises a mounting seat 61, the mounting seat 61 is fixedly arranged at the rear position of the left end and the right end of the upper part of the annular track support 31, the mounting seat 61 is fixedly connected with the inner side wall of the annular track support 31, a hydraulic cylinder A62 is fixedly arranged on the mounting seat 61, a swinging connecting plate 63 is fixedly arranged at the upper position of a telescopic cylinder of the hydraulic cylinder A62, a rotating shaft sleeve 64 is fixedly arranged at the position between the upper part of the annular track support 31 and the two sides of the annular track body 51, one end of the rotating shaft sleeve 64 is fixedly connected with the annular track support 31, and the other end of the rotating shaft sleeve 64 is fixedly connected with the annular track body 51 through a connecting rod.

The annular lifting device 7 comprises a bracket 71, wherein the bracket 71 is in a shape like a Chinese character 'ji', clamping devices 73 are fixedly arranged at equal intervals on the upper part of the bracket 71, and the clamping devices 73 are linearly arranged on the upper part of the bracket 71; the side plates 72 are provided with two blocks, one block is fixedly arranged at the left side position of the bracket 71, and the other block is fixedly arranged at the right side position of the bracket 71; the stepping motor 74 is fixedly arranged at the left side of the bracket 71, the speed reducer 75 is fixedly arranged at the right side of the bracket 71, the connecting shaft 76 is fixedly arranged at the middle position of the bracket 71, the left end of the connecting shaft 76 is fixedly connected with the power output shaft of the stepping motor 74, and the right end of the connecting shaft 76 is fixedly connected with the power output shaft of the speed reducer 75; two driving gears 77 are provided, one fixedly disposed at the left side position of the connection shaft 76 and the other fixedly disposed at the right side position of the connection shaft 76; the guide wheel fixing shafts 78 are fixedly arranged at the lower positions of the inner sides of the left and right side plates 72, guide wheels 79 are arranged at the inner ends of the left and right guide wheel fixing shafts 78, and the guide wheels 79 are sleeved in the guide grooves 52 of the annular track 5.

The bracket 71 is placed on the endless track body 51, and the left and right side plates 72 of the bracket 71 correspond to the guide grooves 52 of the endless track body 51.

The left driving gear 77 is arranged up and down correspondingly to the left chain 56, and the left driving gear 77 is meshed with the chain 56 for transmission; the right driving gear 77 is disposed vertically corresponding to the right chain 56, and the right driving gear 77 is engaged with the right chain 56.

The driving motor 44 of the traveling device 4 and the stepping motor 74 of the annular lifting device 7 are fixedly connected with the electric control system 2 through connecting wires, and the electric control system 2 is used for controlling the opening and closing of the driving motor 44 and the stepping motor 74.

The clamping device 73 comprises a clamping bottom plate 731, the clamping bottom plate 731 is fixedly arranged at the upper position of the bracket 71, the sliding grooves 732 are fixedly arranged at the front side and the rear side of the clamping bottom plate 731, and the sliding grooves 732 are hollow grooves penetrating through the body of the clamping bottom plate 731; the fixed clamping block 733 is fixedly arranged at the upper left side of the clamping bottom plate 731, the bottom of the movable clamping block 734 is provided with a limiting block 735, and the limiting block 735 is clamped in the sliding groove 732; the clamping grooves 736 are arranged on the inner side surfaces of the fixed clamping block 733 and the movable clamping block 734, and the left clamping groove 736 and the right clamping groove 736 are symmetrically arranged left and right; screw mounting plate 737 is fixedly disposed at the upper right side of clamping bottom plate 731, and tightening screw hole 738 is disposed at the middle position of screw mounting plate 737, and tightening screw 739 passes through tightening screw hole 738 to be fixedly connected with the middle right side of movable clamping block 734.

The positioning device 8 comprises a hydraulic cylinder B81 fixedly arranged in a rectangular shell 85, a telescopic cylinder 82 fixedly arranged in the center of the hydraulic cylinder B81, the hydraulic cylinder B81 is fixedly connected with an electromagnetic oil valve of the hydraulic system 1 through a hydraulic oil pipe, and the hydraulic system 1 injects hydraulic oil for enabling the telescopic cylinder 82 to extend and retract into the hydraulic cylinder B81 through the electromagnetic oil valve; the positioning table 83 is a platform with a conical bottom and a cuboid upper part, and the positioning table 83 is fixedly arranged at the upper part of the telescopic cylinder 82; the flexible positioning wheel 84 is transversely and fixedly arranged at the upper part of the positioning table 83, the flexible positioning wheel 84 is arranged on the positioning table 83 in a linear parallel manner, the flexible positioning wheel 84 is used for positioning the steel bars under the telescopic fit of the telescopic cylinder 82, the flexible positioning wheel 84 comprises a left support rod 841, the left support rod 841 and a right support rod 842 are symmetrically and fixedly arranged at the upper part of the positioning table 83, and springs 843 are sleeved on the left support rod 841 and the right support rod 842; the left support plate 844 is fixedly arranged on the upper part of the left support rod 841, and the right support plate 845 is fixedly arranged on the upper part of the right support plate 845; bearings 848 are arranged at two ends of the inside of the positioning wheel 847, the rotating shaft 846 sequentially penetrates through the right supporting plate 845, the positioning wheel 847, the rotating shaft 846 and the left supporting plate 844 from left to right, the rotating shaft 846 is limited and fixed by the left end of the rotating shaft 846 through a shaft pin 849, the positioning wheel 847 comprises a positioning wheel body 8471, the positioning wheel body 8471 is cylindrical, a limiting concave arc 8472 is arranged at the middle position of the positioning wheel body 8471, and the shaft pin 849 penetrates through the center position of the left end of the rotating shaft 846; the rectangular casing 85 is opened at the upper part and closed at the periphery, and the rectangular casing 85 is fixedly connected with the bottom of the arc plate 53.

The hydraulic cylinder B81, the telescopic cylinder 82, the positioning table 83 and the flexible positioning wheel 84 pass through the positioning device mounting hole 54 and extend to the upper position of the annular track body 51; the upper portion of the rectangular housing 85 is fixedly connected to the bottom of the arcuate plate 53.

The limiting and anti-falling device 9 is fixedly arranged at one side of the front end of the flexible positioning wheel 84, and the limiting and anti-falling device 9 and the flexible positioning wheel 84 are arranged in a front-back parallel mode.

The limiting anti-drop device 9 comprises a mounting plate 91, wherein the mounting plate 91 is fixedly arranged at the front side position of the positioning table 83, a mounting table 93 is fixedly arranged at the upper part of the upper telescopic plate 92, a limiting anti-drop wheel 94 is fixedly arranged at the middle position of the mounting table 93 through a fixed shaft 95, the lower part of the fixed shaft 95 extends to the lower part of the mounting table 93, and external threads are arranged on the outer surface of the lower end of the fixed shaft 95; the fixed telescopic slots 96 are fixedly arranged at the upper left side of the mounting plate 91, the upper telescopic plate 92 is clamped in the fixed telescopic slots 96, one telescopic sliding slot 97 is fixedly arranged at the middle position of the fixed telescopic slots 96, and the other two telescopic sliding slots are fixedly arranged at the left side and the right side of the fixed telescopic slots 96; the upper linkage arbor wheel 98 is fixedly arranged at the upper part of the telescopic sliding groove 97, and the upper linkage arbor wheel 98 passes through the telescopic sliding groove 91 and is fixedly connected with the upper telescopic plate 92; the lower end of the tensioning spring 99 is fixedly connected with the lower right side part of the upper expansion plate 92 through a right expansion sliding groove 97 of the fixed expansion groove 96 by a fixing screw, and the upper part of the tensioning spring 99 is fixedly connected with the middle upper part of the rotating plate 91 by a fixing screw and An Zhuaiban; the linkage plate 910 is fixedly arranged at the middle position of the upper part of the telescopic slide 912 through a fixed hinge shaft 911; the vertical fixed setting in the right side position of mounting panel 91 of flexible slide 912, the fixed upper position that sets up in flexible slide 912 of U type flexible groove 913, lower expansion plate 914 cartridge is in flexible groove 913 of U type, and lower linkage arbor wheel 915 is fixed to be set up in the upper position of lower expansion plate 914.

The using process of the tunnel arch steel bar positioning and forming integrated machine is as follows: 1. the adjusting process of the position of the tunnel arch steel bar positioning and forming integrated machine before working: firstly, a driving motor 44 of the traveling device 4 is started through the electric control system 2, the driving motor 44 drives the traveling wheel 43 to reversely or positively rotate through a transmission belt 45, so that a driven wheel 46 is driven to rotate, and finally, the front and rear positions of the annular track bracket 31 and the annular track 5 are moved and adjusted; until the arch-shaped steel bar positioning and forming integrated machine of the tunnel is moved and adjusted to a position corresponding to the center of the tunnel; then, a hydraulic cylinder 323 of the bracket lifting device 32 is started through the hydraulic system 1, at the moment, the hydraulic cylinder 323 is stretched out to enable the supporting seat 321, the movable body 324 and the movable supporting body 325 to be in contact with the ground of the tunnel, when the left and right positions of the tunnel arch steel bar positioning and forming integrated machine need to be adjusted, the movable hydraulic cylinder 327 is started through the hydraulic system 1, and the left and right movement of the movable body 324 relative to a movable groove 326 of the movable supporting body 325 is realized under the left and right stretching action of the movable hydraulic cylinder 327, so that the left and right position movement adjustment of the tunnel arch steel bar positioning and forming integrated machine is realized; when the movable hydraulic cylinder 327 stops working, the annular track support 31 and the annular track 5 are supported by the supporting seat 321, and the function of supporting the tunnel arch steel bar positioning and forming integrated machine is achieved. 2. The forming and positioning process of the arched steel bars comprises the following steps: firstly, a hydraulic cylinder A62 of the annular track swinging device 6 is started through a hydraulic system 1, a telescopic cylinder of the hydraulic cylinder A62 is stretched, a swinging connecting plate 63 is pushed upwards in the stretching process of the hydraulic cylinder A62, the swinging connecting plate 63 pushes a rotating shaft sleeve 64 to rotate, and finally the annular track body 51 of the annular track swinging device is rotated through the rotation of the rotating shaft sleeve 64; then placing the steel bar 10 in the clamping grooves 736 of the fixed clamping block 733 and the movable clamping block 734, tightening the jacking screw 739 of the clamping device 73 by a tool, and pushing the movable clamping block 734 to move leftwards under the meshing tightening of the jacking screw 739 and the jacking screw 738 under the tightening action of the jacking screw 739 until the movable clamping block 734 and the fixed clamping block 733 clamp the steel bar 10, so that the clamping process of the steel bar 10 is realized; when the clamping device 73 clamps the steel bar 10, the annular rail 5 is restored to the original position by repeating the action through the annular rail swinging device 6, at the moment, the electric control system 2 starts the stepping motor 74 of the annular lifting device 7, the stepping motor 74 drives the connecting shaft 76 to rotate, and meanwhile, the rotating torque of the connecting shaft 76 is improved by the increasing torque action of the speed reducer 75; in the process of rotating the connecting shaft 76, the left and right driving gears 77 are driven to rotate, the bracket 71 is lifted and moved along the upper part of the annular track body 51 under the meshing transmission action of the driving gears 77 and the chains 56, and at the moment, the guide wheels 79 guide the track by the guide grooves 52 and move along with the lifting and moving of the bracket 71 in the annular track body 51; the annular lifting device 7 pulls the steel bar 10 to be lifted upwards along the annular track body 51 from the left side of the annular track 5, when the steel bar 10 exceeds the first positioning device 8 on the annular track body 51, the hydraulic system 1 starts the hydraulic cylinder B81 of the positioning device 8, the telescopic cylinder 82 stretches upwards to be lifted, and meanwhile the positioning table 83 is jacked upwards; the lower expansion plate 914 of the upper limit anti-drop device 9 arranged on the positioning table 83 leaves the arc plate 53 (when the lower expansion plate 914 does not leave the arc plate 53, the lower expansion plate 914 contacts with the arc plate 53, the lower expansion plate 914 takes the expansion slide 912 as a sliding support and is positioned at the upper position of the expansion slide 912, the lower expansion plate 914 jacks up the right end of the linkage plate 910, the left end of the linkage plate 910 swings downwards due to the hinged rotation of the fixed hinge shaft 911, the left end of the linkage plate 910 swings downwards and pushes the upper linkage shaft wheel 98 to move downwards, so that the upper expansion plate 92 moves downwards, the tension spring 99 compresses and simultaneously makes the limit anti-drop wheel 94 lower than the position of the flexible positioning wheel 84), the upper expansion plate 92 is pulled upwards by the stretching action of the tension spring 99 by taking the expansion slide 97 as a sliding support, the limit anti-drop wheel 94 on the mounting table 93 is vertical and level with the flexible positioning wheel 84 due to the upward movement of the upper expansion plate 92, and the limit anti-drop wheel 84 limits the steel bar 10 on the flexible positioning wheel 84 to deviate from the flexible positioning wheel 84; when the parallel flexible positioning wheels 84 are in contact with the plurality of steel bars 10, the limiting concave arcs 8472 on the positioning wheels 847 just correspond to the corresponding steel bars 10, and as the telescopic cylinders 82 are continuously lifted, the springs 843 on the left support rods 841 and the right support rods 842 are in contact with the steel bars 10 at the moment, the springs 843 are compressed, and the springs 843 play a flexible buffering role, so that the flexible positioning wheels 84 can flexibly position the steel bars 10, and meanwhile, as the annular lifting devices continuously lift upwards, the steel bars 10 are pushed upwards, and meanwhile, the flexible positioning wheels 84 are matched with the annular lifting devices 8 to push the steel bars 10 upwards, so that friction force between the positioning devices 8 and the steel bars 10 in the arch forming process of the steel bars 10 is reduced, and meanwhile, annular lifting pushing force is provided for forming of the arch steel bars 10; along with the continuous upward lifting of the steel bars 10, the steel bars 10 are positioned one by utilizing all the positioning devices 8, and meanwhile, the steel bars 10 pass through the flexible positioning of all the positioning devices 8, so that the steel bars 10 form arch-shaped steel bars 10 which are tightly clung to the vault of the tunnel. Finally, an operator stands on the operation table 10 to connect the longitudinal bars 10 to the formed arch bars 10, and finally, net-shaped arch bars 10 are formed.

In the first embodiment, as shown in fig. 10 and 11, the ring rail swing apparatus 6 has an alternative structure: the annular rail swinging device 6 comprises a mounting seat 61, wherein the mounting seat 61 is fixedly arranged at the rear side positions of two ends of the upper part of the annular rail bracket 31, and the mounting seat 61 is fixedly connected with the annular rail bracket 31; the rotary shaft sleeves 64 are fixedly arranged at the left end and the right end of the annular track bracket 31, and the rotary shaft sleeves 64 are fixedly connected with the left side and the right side of the annular track 5 through connecting rods; the rotary sleeve gear ring 67 is fixedly arranged on the rotary sleeve 64 at a position close to the annular track support 31; the motor 65 is fixedly arranged at the upper position of the mounting seat 61, and the motor 65 is fixedly connected with the electric control system 2 through a connecting wire; one end of the transmission chain 68 is sleeved on a gear of a power output shaft of the motor 65, the other end of the transmission chain 68 is sleeved on the rotary shaft sleeve gear ring 67, and the transmission chain 68 is used for transmitting rotary power of the motor 65 to the rotary shaft sleeve gear ring 67 and driving the rotary shaft sleeve 64 to rotate.

In the second embodiment, as shown in fig. 10 and 12, the ring track swinging device 6 has an alternative structure that: the annular rail swinging device 6 comprises a mounting seat 61, wherein the mounting seat 61 is fixedly arranged at the rear side positions of two ends of the upper part of the annular rail bracket 31, and the mounting seat 61 is fixedly connected with the annular rail bracket 31; the rotary shaft sleeves 64 are fixedly arranged at the left end and the right end of the annular track bracket 31, and the rotary shaft sleeves 64 are fixedly connected with the left side and the right side of the annular track 5 through connecting rods; the rotary sleeve gear ring 67 is fixedly arranged on the rotary sleeve 64 at a position close to the annular track support 31; the hydraulic motor 66 is fixedly arranged on the mounting seat 61, and the hydraulic motor 66 is fixedly communicated with the hydraulic system 1 through a connecting oil pipe; the transmission gear 69 is fixedly arranged on the mounting frame of the hydraulic motor 66 through a rotating shaft, a gear on the power output end of the hydraulic motor 66 is meshed with the transmission gear 69 for transmission, and the transmission gear 69 is meshed with the rotating shaft sleeve gear ring 67 for transmission.

In the first embodiment, the action process of the annular rail swinging device 6 is as follows: firstly, the electric control system 2 starts the motor 65 to rotate, the motor 65 transmits rotation power to the rotary shaft sleeve gear ring 67 through a gear on a power output shaft in the rotation process, the rotary shaft sleeve gear ring 67 drives the rotary shaft sleeve 64 to rotate, and the swing of the front-back angle of the annular track 5 is realized under the rotation action of the rotary shaft sleeve 64.

In the second embodiment, the action process of the annular rail swinging device 6 is as follows: first, the hydraulic system 1 provides rotating high-pressure oil for the hydraulic motor 66, the hydraulic motor 66 drives a gear on a power output shaft of the hydraulic motor 66 to rotate in the rotating process, the gear on the power output shaft of the hydraulic motor 66 is meshed with a transmission gear 69 to drive the transmission gear 69 to rotate, the transmission gear 69 drives the rotating shaft sleeve gear 67 to rotate through meshed transmission with the rotating shaft sleeve gear 67, and finally the rotating shaft sleeve 64 is driven to rotate, and the swinging of the front-back angle of the annular track 5 is realized due to the rotating action of the rotating shaft sleeve 64.

Various modifications to the embodiments described above will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The positioning and forming integrated machine for the arched steel bars of the tunnel comprises a hydraulic system, an electric control system, a supporting device, a traveling device and an annular track; the hydraulic system is fixedly arranged at the middle position of the upper part of the supporting device and is used for providing hydraulic power for the supporting device, the annular track swinging device and the positioning device; the electric control system is fixedly arranged at the right side of the hydraulic system and is used for providing power for the traveling device and the annular lifting device and controlling the opening and closing of the traveling device and the annular lifting device; the method is characterized in that: the supporting device is arranged in the middle of the annular track and is used for realizing self lifting and supporting of the annular track; the walking device is fixedly arranged at four corners of the bottom of the supporting device and is used for enabling the supporting device to move in front and back positions; the annular rail is fixedly arranged at two side positions of the supporting device, the annular rail swinging device is fixedly arranged at the rear side position of the joint of the supporting device and the annular rail, the annular rail swinging device is symmetrically arranged at the rear side of the joint of the supporting device and the annular rail, and the annular rail swinging device is used for enabling the annular rail to realize front-rear rotary swinging; the annular track swinging device comprises a mounting seat, wherein the mounting seat is fixedly arranged at the rear positions of the left end and the right end of the upper part of the annular track support, the mounting seat is fixedly connected with the inner side wall of the annular track support, a hydraulic cylinder A is fixedly arranged on the mounting seat, a swinging connecting plate is fixedly arranged at the upper position of a telescopic cylinder of the hydraulic cylinder A, a rotating shaft sleeve is fixedly arranged at the position between the upper part of the annular track support and the two sides of the annular track body, which are close to the upper part, one end of the rotating shaft sleeve is fixedly connected with the annular track support, and the other end of the rotating shaft sleeve is fixedly connected with the annular track body through a connecting rod; the annular lifting device is fixedly arranged on the annular track and is used for clamping the steel bars and pulling the steel bars to lift along the annular track from one side to the other side in an annular direction so that the steel bars form an arch; the positioning devices are arranged at equal intervals in the circumferential direction of the annular track, penetrate through the middle position of the annular track, are fixedly connected with the bottom of the annular track, and realize annular flexible positioning of the reinforcing steel bars through lifting; the limiting anti-falling device is fixedly arranged at one side of the positioning device and is used for limiting the position of the reinforcing steel bar on the positioning device and preventing the reinforcing steel bar from falling off from the positioning device; the limiting anti-drop device comprises a mounting plate, wherein the mounting plate is fixedly arranged at the front side of the positioning table, the upper part of the upper telescopic plate is fixedly provided with the mounting table, the limiting anti-drop wheel is fixedly arranged at the middle position of the mounting table through a fixed shaft, the lower part of the fixed shaft extends to the lower part of the mounting table, and the outer surface of the lower end of the fixed shaft is provided with external threads; the fixed telescopic slots are fixedly arranged at the upper part of the left side of the mounting plate, the upper telescopic plate is clamped in the fixed telescopic slots, one telescopic sliding slot is fixedly arranged at the middle position of the fixed telescopic slots, and the other two telescopic sliding slots are fixedly arranged at the left side and the right side of the fixed telescopic slots; the upper linkage shaft wheel is fixedly arranged at the upper part of the telescopic sliding groove and penetrates through the telescopic sliding groove to be fixedly connected with the upper telescopic plate; the lower end of the tensioning spring passes through a right telescopic sliding groove of the fixed telescopic groove through a fixing screw to be fixedly connected with the lower part of the right side of the upper telescopic plate, and the upper part of the tensioning spring is fixedly connected with the middle upper part of the mounting plate through the fixing screw; the linkage plate is fixedly arranged at the middle position of the upper part of the telescopic slide way through a fixed hinge shaft; the telescopic slide way is vertically and fixedly arranged at the right side of the mounting plate, the U-shaped telescopic slot is fixedly arranged at the upper part of the telescopic slide way, the lower telescopic plate is clamped in the U-shaped telescopic slot, and the lower linkage shaft wheel is fixedly arranged at the upper part of the lower telescopic plate; the operation panel is fixed to be set up in strutting arrangement's upper position, and the operation panel is used for standing operating personnel to realize the connection to the longitudinal reinforcement of arch reinforcing bar, forms crisscross netted reinforcing bar.

2. The positioning and molding integrated machine for tunnel arch steel bars according to claim 1, wherein: the support device comprises an annular track support, the annular track support is of a tetragonal structure, and the support lifting device is fixedly arranged at four corners of the bottom of the annular track support; the support lifting device comprises a supporting seat, a hydraulic cylinder is arranged at the upper part of the supporting seat, a hydraulic cylinder fixing body is fixedly arranged on the outer side wall of the annular track support, and the hydraulic cylinder penetrates through the hydraulic cylinder fixing body to be fixedly connected with the annular track support; the movable body is fixedly arranged at the lower part of the supporting seat, the movable supporting body is arranged at the bottom of the movable body, a movable groove is arranged at the middle position of the upper part of the movable supporting body, and the movable body is clamped in the movable groove to realize the left-right movement of the movable body; the movable hydraulic cylinder is arranged at the front side of the movable body, two connecting plates are arranged, one connecting plate is fixedly arranged at the middle position of the left side of the movable body, the other connecting plate is fixedly arranged at the upper position of the right side of the movable support body, and the movable hydraulic cylinder is fixedly connected into a whole through the left connecting plate and the right connecting plate.

3. The positioning and molding integrated machine for tunnel arch steel bars according to claim 1, wherein: the walking device comprises four connecting bodies, the four connecting bodies are respectively and fixedly arranged at four corners of the bottom of the annular track bracket, and the connecting bodies are positioned at the inner side of the bracket lifting device; the driven wheel is fixedly arranged at the front and rear positions of the left side of the annular track bracket and is fixedly connected with the connecting body; the support frame is fixed to be set up the bottom position at the connector on annular track support right side, and the support frame is L, and the fixed inside intermediate position that sets up at the support frame of walking wheel, walking wheel are horizontal setting about the connector on its upper portion, and driving motor is fixed to be set up in the one side position of support frame, is connected through the drive belt transmission between driving motor and the walking wheel.

4. The positioning and molding integrated machine for tunnel arch steel bars according to claim 1, wherein: the annular track comprises an annular track body, the annular track body is arc-shaped, guide grooves are fixedly arranged at two sides of the upper part of the annular track body, arc-shaped plates are fixedly arranged at the bottom of the annular track body, positioning device mounting holes are uniformly formed around the circumference of the arc-shaped plates, interval reinforcing plates are uniformly formed around the circumference of the arc-shaped plates, and the interval reinforcing plates and the positioning device mounting holes are staggered; the chains are fixedly arranged on the edge surfaces of the two sides of the upper part of the annular track body, and the two chains are arranged in parallel.

5. The positioning and molding integrated machine for tunnel arch steel bars according to claim 1, wherein: the annular lifting device comprises a bracket, wherein the bracket is in a shape like a Chinese character 'ji', clamping devices are fixedly arranged at the upper part of the bracket at equal intervals, and the clamping devices are linearly arranged at the upper part of the bracket; the side plates are provided with two blocks, one block is fixedly arranged at the left side position of the bracket, and the other block is fixedly arranged at the right side position of the bracket; the stepping motor is fixedly arranged at the left side of the bracket, the speed reducer is fixedly arranged at the right side of the bracket, the connecting shaft is fixedly arranged at the middle of the bracket, the left end of the connecting shaft is fixedly connected with the power output shaft of the stepping motor, and the right end of the connecting shaft is fixedly connected with the power output shaft of the speed reducer; the two driving gears are arranged, one driving gear is fixedly arranged at the left side position of the connecting shaft, and the other driving gear is fixedly arranged at the right side position of the connecting shaft; the guide wheel fixing shafts are respectively fixedly arranged at the lower positions of the inner sides of the left side plate and the right side plate, guide wheels are arranged at the inner side ends of the left guide wheel fixing shafts and the right guide wheel fixing shafts, and the guide wheels are sleeved in guide grooves of the annular track.

6. The positioning and molding integrated machine for tunnel arch steel bars according to claim 5, wherein: the clamping device comprises a clamping bottom plate, the clamping bottom plate is fixedly arranged at the upper part of the bracket, the sliding grooves are fixedly arranged at the front side and the rear side of the clamping bottom plate, and the sliding grooves are hollow grooves penetrating through the clamping bottom plate body; the fixed clamping block is fixedly arranged at the upper part of the left side of the clamping bottom plate, the bottom of the movable clamping block is provided with a limiting block, and the limiting block is clamped in the sliding groove; the clamping grooves are arranged on the inner side surfaces of the fixed clamping block and the movable clamping block, and the left clamping groove and the right clamping groove are symmetrically arranged left and right; the screw rod mounting panel is fixed to be set up in the right side upper portion position of pressing from both sides tight bottom plate, and tight screw hole in top is set up in the intermediate position of screw rod mounting panel, and tight screw rod in top passes tight screw hole in top and removes the right side intermediate position fixed connection who presss from both sides tight piece.