Automatic extruding and connecting device for reinforcing steel bars in tunnel

Abstract

The utility model relates to an automatic extruding and connecting device for reinforcing steel bars in a tunnel, which comprises a longitudinal support, a longitudinal moving mechanism, a longitudinal moving plate trailer, a telescopic moving rack and an extruding and connecting machine, the longitudinal moving mechanism is used for longitudinally moving along a gutter channel, and the longitudinal support is used for supporting the longitudinal moving mechanism. The longitudinal moving plate trailer is arranged on the longitudinal moving mechanism in a sliding mode, the telescopic moving rack is arranged on the longitudinal moving plate trailer, the extrusion connecting machine is arranged on the telescopic moving rack, and the telescopic moving rack drives the extrusion connecting machine to move and extrude connecting steel bars. And meanwhile, the problems of fire disasters and environmental pollution in the tunnel are avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tunnel construction equipment technical field, concretely relates to a tunnel inside reinforcing bar automatic extrusion connecting device. BACKGROUND

[0002] When the second lining concrete in the tunnel is constructed, the vertical reinforcing bars are cast on one side of the water groove, the traditional method adopts arc welding connection or binding mode, however, because one side of the vertical reinforcing bar is the water groove, the construction personnel connects or binds inconveniently one by one, and because the tunnel environment is relatively closed, ventilation is poor, the connection mode can cause fire and environmental pollution. Adopting heavy extrusion type welding gun to connect can avoid fire, however, the heavy extrusion type welding gun is heavy, needs the construction personnel to lift and operate in the air, and the connection efficiency is low and manpower is wasted. SUMMARY

[0003] In view of the above problems, the utility model aims at providing a tunnel inside reinforcing bar automatic extrusion connecting device, the extrusion connecting device of the utility model can realize the extrusion connection of the reinforcing bar on the upper portion of the water groove, and the working efficiency is high.

[0004] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0005] Firstly, the utility model provides a tunnel inside reinforcing bar automatic extrusion connecting device, comprising:

[0006] Longitudinal moving mechanism, for moving along the water groove longitudinally;

[0007] Longitudinal support, for supporting the longitudinal moving mechanism;

[0008] Longitudinal moving plate car, slidingly arranged on the longitudinal moving mechanism, for longitudinally moving on the longitudinal moving mechanism;

[0009] Telescopic moving rack, arranged on the longitudinal moving plate car;

[0010] Extrusion connecting machine, arranged on the telescopic moving rack, and moving extrusion connecting reinforcing bar by the telescopic moving rack.

[0011] Further, the longitudinal support comprises U-shaped clamping sleeve, support rod and track, a plurality of U-shaped clamping sleeves are arranged at intervals and are all used for nesting corresponding reinforcing bars, one end of the support rod is connected with the U-shaped clamping sleeve, the other end of the support rod extends towards the side of the longitudinal moving mechanism, the track is arranged on the other end of the support rod, and the track is used for supporting the longitudinal moving mechanism.

[0012] Further, the longitudinal moving mechanism comprises a longitudinal platform, a groove-shaped wheel set and a driving wheel set, at least one pair of the driving wheel set is longitudinally spaced apart on one lateral side of the longitudinal platform, at least one pair of the groove-shaped wheel set is longitudinally spaced apart on the other lateral side of the longitudinal platform, the driving wheel set is used to slide on the tunnel invert surface, and the groove-shaped wheel set is used to slide on the track.

[0013] Further, the longitudinal moving platform comprises a moving platform, a linear displacement slide and a driving assembly, one pair of the linear displacement slide is transversely spaced apart on the longitudinal platform, the moving platform is slide connected on the linear displacement slide, and the driving assembly is arranged on the lower part of the moving platform and slide frictionally adheres to the longitudinal platform, so as to drive the moving platform to longitudinally move along the longitudinal platform.

[0014] Further, the driving assembly comprises a driving speed reducer and a friction wheel, the driving speed reducer is connected on the lower part of the moving platform, both output ends of the driving speed reducer are connected with the friction wheel, and the friction wheel slide frictionally adheres to the longitudinal platform.

[0015] Further, the telescopic moving frame comprises a transverse moving slide, a vertical telescopic supporting assembly, a transverse telescopic moving assembly and a vertical telescopic moving assembly, one pair of the transverse moving slide is longitudinally spaced apart on the moving platform, one end of the vertical telescopic supporting assembly is slide connected on one pair of the transverse moving slide, the other end of the vertical telescopic supporting assembly is slide connected with the transverse telescopic moving assembly, one end of the transverse telescopic moving assembly extends to the side of the reinforcing steel bar and is connected with the vertical telescopic moving assembly, and the lower end of the vertical telescopic moving assembly is hinged with the extrusion connecting machine.

[0016] Further, the transverse moving slide comprises a smooth rod, a transverse slide sleeve and a first electric telescopic piece, the transverse slide sleeve slide covers the smooth rod, one end of the first electric telescopic piece is hinged with the smooth rod, the other end of the first electric telescopic piece is hinged with the transverse slide sleeve, one pair of the transverse slide sleeve is connected through a slide plate, and one end of the vertical telescopic supporting assembly is connected on the slide plate.

[0017] Further, the other end of the vertical telescopic supporting assembly is provided with a rotating assembly, and the transverse telescopic moving assembly is arranged on the rotating assembly.

[0018] Further, the transverse telescopic moving assembly and the vertical telescopic moving assembly both comprise a sleeve, a push-pull rod and a second electric telescopic piece, the push-pull rod is slide embedded in the sleeve, one end of the second electric telescopic piece is hinged with the sleeve, and the other end of the second electric telescopic piece is hinged with the push-pull rod.

[0019] The utility model discloses a tunnel steel bar automatic extrusion connecting device, through adopting longitudinal support, longitudinal moving mechanism and longitudinal moving plate car etc.

[0020] The utility model discloses a tunnel steel bar automatic extrusion connecting device, through adopting longitudinal support, longitudinal moving mechanism and longitudinal moving plate car etc. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the extrusion connecting device structure schematic diagram of the utility model.

[0022] Figure 2 It is Figure 1 The side view of the utility model.

[0023] The signs are as follows:

[0024] 1-tunnel side concrete, 2-water ditch, 3-tunnel inverted arch surface, 4-longitudinal moving mechanism, 41-driving wheel group, 411-driving wheel, 412-driving motor, 413-driving wheel frame, 42-longitudinal platform, 43-groove wheel group, 431-groove wheel, 432-groove wheel frame, 5-longitudinal moving plate car, 51-linear displacement sliding table, 511-sliding block, 512-longitudinal slide rail, 52-moving platform, 53-driving assembly, 531-friction wheel, 532-driving speed reducer, 54-guardrail, 6-telescopic moving frame, 61-transverse moving sliding table, 611-first electric telescopic part, 612-transverse sliding sleeve, 613-smooth rod, 62-perpendicular telescopic support assembly, 63-rotary assembly, 64-transverse telescopic moving assembly, 641-sleeve, 642-second electric telescopic part, 643-pull rod, 65-perpendicular telescopic moving assembly, 66-spherical hinge, 661-spherical seat, 662-spherical rod, 7-extrusion connecting machine, 8-steel bar, 9-longitudinal support, 91-rail, 92-supporting rod, 93-U-shaped clamping sleeve, 94-positioning wire, 95-adjusting bolt, 10-hydraulic station, 11-controller, 12-connecting sleeve. DETAILED DESCRIPTION

[0025] The embodiments of the utility model will be described in detail below with reference to the drawings, so that the purpose, characteristics and advantages of the utility model can be understood more clearly. It should be understood that the embodiments shown in the drawings are not the limitation of the scope of the utility model, but only for explaining the essential spirit of the technical scheme of the utility model.

[0026] As Figure 1 ,Figure 2 The utility model discloses a tunnel inside steel bar automatic extrusion connecting device, including longitudinal support 9, longitudinal moving mechanism 4, longitudinal moving plate car 5, telescopic moving rack 6 and extrusion connecting machine 7. Longitudinal support 9 is used for supporting longitudinal moving mechanism 4, and longitudinal moving mechanism 4 is located the upper portion of water ditch groove 2 and the one side of transverse and is slidably arranged on longitudinal support 9 and is supported by longitudinal support 9, and the other side of transverse is slidably arranged on tunnel inverted arch surface 3, and longitudinal moving mechanism 4 moves along water ditch groove 2 through longitudinal support 9 and tunnel inverted arch surface 3, to drive longitudinal moving plate car 5, telescopic moving rack 6 and extrusion connecting machine 7 to move. Longitudinal moving plate car 5 is slidably arranged on longitudinal moving mechanism 4, and longitudinal moving plate car 5 is used to drive extrusion connecting machine 7 to move longitudinally spaced apart on longitudinal moving mechanism 4. Telescopic moving rack 6 is arranged on longitudinal moving plate car 5, and extrusion connecting machine 7 is arranged on telescopic moving rack 6 and is towards the side of steel bar 8, and extrusion connecting machine 7 is moved and extrudes the connection steel bar 8 by telescopic moving rack 6.

[0027] Specifically, steel bar 8 is arranged side by side on tunnel side concrete 1, and the edge side of tunnel side concrete 1 is water ditch groove 2, and tunnel inverted arch surface 3 is located the other side of water ditch groove 2 and is spaced apart from tunnel side concrete 1. Longitudinal support 9 extends longitudinally along the side of tunnel side concrete 1, and the one side of longitudinal support 9 is arranged on steel bar 8, and the other side of longitudinal support 9 is suspended in the upper portion of water ditch groove 2 of the edge of tunnel side concrete 1. When steel bar 8 is connected, longitudinal support 9 is fixed on steel bar 8 first, then longitudinal moving mechanism 4 is placed on longitudinal support 9 and tunnel inverted arch surface 3, longitudinal moving plate car 5 is sequentially moved to the position opposite the steel bar 8 to be connected along longitudinal moving mechanism 4, and longitudinal moving plate car 5 moves every interval, and telescopic moving rack 6 moves to adjust the position of extrusion connecting machine 7 and realizes the axial connection of the corresponding steel bar 8, and longitudinal moving plate car 5 moves from the front end to the rear end of longitudinal moving mechanism 4, and the connection of steel bar 8 in a longitudinal distance is completed. When the steel bar in the next distance needs to be connected, longitudinal moving mechanism 4 moves to the position of the steel bar to be connected in the next distance, and longitudinal moving plate car 5 drives extrusion connecting machine 7 to move from the front end to the rear end of longitudinal moving mechanism 4, and the connection of steel bar 8 in the next distance is realized. Such reciprocating operation is carried out until the connection of steel bar 8 in the whole tunnel side concrete 1 is completed.

[0028] Further, longitudinal support 9 includes U-shaped clamping sleeve 93, support rod 92 and track 91, several U-shaped clamping sleeves 93 are arranged at intervals and are all used to nest corresponding steel bars 8, one end of support rod 92 is connected with U-shaped clamping sleeve 93, the other end of support rod 92 extends towards the side of longitudinal moving mechanism 4, and track 91 is arranged on the other end of support rod 92, and track 91 is used to support longitudinal moving mechanism 4.

[0029] Specifically, the U-shaped clamping sleeve 93 is sequentially sleeved under the lower part of the spaced steel bars 8, one side of the U-shaped clamping sleeve 93 is provided with an adjusting bolt 95, the bottom of the adjusting bolt 95 is supported on the tunnel side concrete 1, the adjusting bolt 95 is used for adjusting the height of the U-shaped clamping sleeve 93, and the outer periphery of the U-shaped clamping sleeve 93 is provided with a positioning wire 94, which is used for fixing the U-shaped clamping sleeve 93 on the steel bars 8.

[0030] The support rod 92 is in a Z-shaped structure, one side of the U-shaped clamping sleeve 93 is connected to one end of the support rod 92, and the other end of the support rod 92 extends from the edge of the tunnel side concrete 1 to the upper edge of the water groove 2 in sequence and is arranged in a suspended manner. The I-shaped rail 91 is longitudinally arranged on the upper surface of the other end of each support rod 92.

[0031] Further, the longitudinal moving mechanism 4 includes a longitudinal platform 42, a groove-shaped wheel set 43 and a driving wheel set 41, at least one pair of driving wheel sets 41 are longitudinally and spaced apart arranged on one side of the longitudinal platform 42 in the transverse direction, and at least one pair of groove-shaped wheel sets 43 are longitudinally and spaced apart arranged on the other side of the longitudinal platform 42 in the transverse direction, the driving wheel set 41 is used for slidingly supporting on the tunnel invert surface 3, and the groove-shaped wheel set 43 is slidingly supported on the rail 91.

[0032] Specifically, a plurality of groove-shaped wheel sets 43 are sequentially and spaced apart arranged along the longitudinal direction of the rail 91, the groove-shaped wheel set 43 includes a groove-shaped wheel 431 and a groove wheel frame 432, the groove-shaped wheel 431 is slidingly nested in the groove wheel frame 432, the top of the groove wheel frame 432 is connected to one side of the lower part of the longitudinal platform 42, the outer periphery of the groove-shaped wheel 431 is slidingly nested on the rail 91, the other side of the lower part of the longitudinal platform 42 is arranged opposite to the driving wheel set 41 in the transverse direction with the groove-shaped wheel set 43 being spaced apart, the driving wheel set 41 and the groove-shaped wheel set 43 support the longitudinal platform 42, when the driving wheel set 41 moves, the longitudinal platform 42 is driven to move, and the groove-shaped wheel set 43 is simultaneously moved along the rail 91.

[0033] The driving wheel set 41 includes a driving wheel frame 413, a driving wheel 411 and a driving motor 412, the top of the driving wheel frame 413 is connected and fixed to the bottom of the longitudinal platform 42, the driving wheel 411 is slidingly nested in the driving wheel frame 413, and the outer periphery of the bottom of the driving wheel 411 is attached to the tunnel invert surface 3. The driving motor 412 is arranged on one side of the driving wheel frame 413, the output shaft of the driving wheel 411 and the output shaft of the driving motor 412 are connected through a driving gear set. The driving gear set includes a driving gear and a driven gear, the driving gear is connected to the output shaft of the driving motor 412, the driven gear is sleeved on the output shaft of the driving wheel 411, and the driving gear and the driven gear are engaged.

[0034] Further, the longitudinal moving trolley 5 comprises a moving platform 52, a linear displacement slide 51 and a driving assembly 53, the linear displacement slide 51 is horizontally spaced apart on the longitudinal platform 42, the moving platform 52 is slidingly connected on the linear displacement slide 51, and the driving assembly 53 is slidingly and frictionally connected on the lower part of the moving platform 52 and the longitudinal platform 42, and the driving assembly 53 is used to drive the moving platform 52 to move longitudinally along the longitudinal platform 42.

[0035] Specifically, the longitudinal ends and the outer periphery away from the steel bars of the moving platform 52 are provided with guardrails 54. The linear displacement slide 51 comprises a longitudinal slide rail 512 and a sliding block 511, the sliding block 511 is embedded on the longitudinal slide rail 512, the longitudinal slide rail 512 is horizontally spaced apart on the upper surface of the longitudinal platform 42, and the upper surface of the sliding block 511 is connected with the moving platform 52.

[0036] Further, the driving assembly 53 comprises a driving speed reducer 532 and a friction wheel 531, the driving speed reducer 532 is connected on the lower part of the moving platform 52, both output ends of the driving speed reducer 532 are connected with the friction wheel 531, and the friction wheel 531 is slidingly and frictionally connected with the longitudinal platform 42.

[0037] Specifically, the driving speed reducer 532 is axially arranged on the center of the lower surface of the moving platform 52, when the driving speed reducer 532 drives the pair of friction wheels 531 to rotate, the friction wheel 531 drives the moving platform 52 to move on the upper surface of the longitudinal platform 42 through friction.

[0038] Further, the telescopic moving frame 6 comprises a horizontal moving slide 61, a vertical telescopic support assembly 62, a horizontal telescopic moving assembly 64 and a vertical telescopic moving assembly 65, the horizontal moving slide 61 is longitudinally spaced apart on the moving platform 52, one end of the vertical telescopic support assembly 62 is slidingly connected on the horizontal moving slide 61, the other end of the vertical telescopic support assembly 62 is slidingly connected with the horizontal telescopic moving assembly 64, one end of the horizontal telescopic moving assembly 64 extends towards the side of the steel bars 8 and is connected with the vertical telescopic moving assembly 65, and the lower end of the vertical telescopic support assembly 62 is hingedly connected with the extrusion connecting machine 7.

[0039] Specifically, the pair of lateral moving slide tables 61 are connected by a slide plate, the bottom of the vertical telescopic supporting assembly 62 is fixed on the center of the slide plate, the middle of the lateral telescopic moving assembly 64 is fixed on the top of the vertical telescopic supporting assembly 62, the lateral telescopic moving assembly 64 is connected perpendicularly with the vertical telescopic supporting assembly 62, the telescopic end of the lateral telescopic moving assembly 64 is connected with the fixed end of the vertical telescopic moving assembly 65, the lateral telescopic moving assembly 64 is used to drive the extrusion connecting machine 7 to move laterally to adjust the lateral distance between the extrusion connecting machine 7 and the reinforcing steel bars 8, and the vertical telescopic supporting assembly 62 is used to adjust the height of the extrusion connecting machine 7 by lifting up and down. The telescopic end of the vertical telescopic supporting assembly 62 is hinged with the extrusion connecting machine 7, and the vertical telescopic moving assembly 65 is used to drive the extrusion connecting machine 7 to move axially along the reinforcing steel bars 8 to extrude the reinforcing steel bars. The vertical telescopic supporting assembly is preferably an electric telescopic cylinder.

[0040] Further, the lateral moving slide table 61 comprises a smooth rod 613, a lateral sliding sleeve 612 and a first electric telescopic member 611, the lateral sliding sleeve 612 is slidably sleeved on the smooth rod 613, one end of the first electric telescopic member 611 is hinged with the smooth rod 613, and the other end of the first electric telescopic member 611 is hinged with the lateral sliding sleeve 612, the pair of lateral sliding sleeves 612 are connected by a slide plate, and one end of the vertical telescopic supporting assembly 62 is connected on the slide plate.

[0041] Specifically, the pair of lateral sliding sleeves 612 are connected by a slide plate, the fixed end of the first electric telescopic member 611 is hinged on the end of the smooth rod 613 away from the reinforcing steel bars 8, the telescopic end of the first electric telescopic member 611 is hinged with the lateral sliding sleeve 612, and the telescopic movement of the first electric telescopic member 611 drives the lateral sliding sleeve 612 to move axially along the smooth rod 613.

[0042] As a preferred, the lateral moving slide table comprises a linear guide rail, a linear sliding block, a lead screw and a motor, the motor is arranged at one end of the linear guide rail, the linear sliding block is slidably nested on the linear guide rail, one end of the lead screw is connected with the motor, the other end of the lead screw is slidably nested on the other end of the linear guide rail, and the lead screw is screwed with the linear sliding block. The slide plate is connected with a pair of linear sliding blocks, and the linear sliding block and the lead screw form a lead screw nut mechanism. The motor drives the lead screw nut mechanism to realize the lateral displacement of the entire telescopic moving rack 6.

[0043] Further, in order to facilitate the rotation of the extrusion connecting machine 7, the other end of the vertical telescopic supporting assembly 62 is provided with a rotating assembly 63, and the lateral telescopic moving assembly 64 is arranged on the rotating assembly 63.

[0044] Specifically, the rotating assembly 63 comprises a rotating shaft, a rotating cylinder and a rotating motor, the rotating motor is arranged at the inner lower end of the rotating cylinder, the bottom of the rotating cylinder is nested on the telescopic end of the vertical telescopic supporting assembly 62, the rotating shaft 17 is slidably connected with the rotating cylinder through a bearing, the bottom of the rotating shaft is connected with the rotating motor, the top of the rotating shaft extends out of the rotating cylinder and is connected with a rotating shaft plate, and the lateral telescopic moving assembly 64 is arranged on the rotating shaft plate.

[0045] Further, the lateral telescopic moving assembly 64 and the vertical telescopic supporting assembly 62 each comprise a sleeve 641, a push-pull rod 643 and a second electric telescopic piece 642, the push-pull rod 643 is slidably embedded in the sleeve 641, and one end of the second electric telescopic piece 642 is hingedly connected with the sleeve 641, and the other end of the second electric telescopic piece 642 is hingedly connected with the push-pull rod 643.

[0046] Specifically, taking the lateral telescopic moving assembly 64 as an example, the middle part of the sleeve 641 is connected with the rotating shaft of the rotating assembly 63, the fixed end of the second electric telescopic piece 642 is hingedly connected with the outer periphery of the sleeve 641, and the sleeve 641 can be connected with the rotating shaft plate as the fixed end. The telescopic end of the second electric telescopic piece 642 is hingedly connected with the end of the push-pull rod away from the steel bar, and the telescopic movement of the second electric telescopic piece 642 drives the push-pull rod 643 to axially displace along the sleeve, so that the vertical telescopic moving assembly 65 and the steel bar are adjusted in lateral spacing.

[0047] In the vertical telescopic moving assembly 65, the middle part of the sleeve is fixed to the end of the push-pull rod of the lateral telescopic moving assembly 64 towards the steel bar. The second electric telescopic piece 642 is preferably an electric telescopic cylinder or an electric telescopic push rod.

[0048] Further, the outer periphery of the sleeve 641 is provided with the second electric telescopic piece 642 on both sides, at this time, the pair of second electric telescopic pieces 642 can improve the telescopic movement strength of the push-pull rod 643. The second electric telescopic pieces 642 are oppositely arranged on the outer periphery of the sleeve 641 and are hingedly connected with the sleeve 641 and the push-pull rod 643 respectively.

[0049] Of course, as a kind of preference, the lateral telescopic moving assembly 64 and the vertical telescopic supporting assembly 62 can also be electric telescopic cylinders or electric telescopic push rods, at this time, the push-pull rod 643 and the sleeve 641 are not needed.

[0050] Further, in order to facilitate the adjustment of the angle of the extrusion connecting machine 7, the lower end of the vertical telescopic moving assembly 65 is connected with the extrusion connecting machine 7 through a ball hinge 66.

[0051] Specifically, the ball hinge 66 comprises a spherical seat 661 and a spherical rod 662, the spherical seat 661 is embedded in the spherical rod 662, the lower end of the spherical rod 662 is connected with the extrusion connecting machine 7, and the upper end of the spherical rod 662 is connected with the telescopic end of the vertical telescopic moving assembly 65. The lower end of the push-pull rod of the vertical telescopic moving assembly 65 is hingedly connected with the extrusion connecting machine 7 as the telescopic end.

[0052] Further, in order to realize the control of the whole device, the controller 11 is installed on the surface of the mobile platform 52, and the hydraulic station 10 is installed outside the controller 11. The hydraulic station 10 can provide power for the extrusion connecting machine 7. The controller 11 is electrically connected with the first electric telescopic part 611, the second electric telescopic part 642, the transverse telescopic moving assembly 64, the vertical telescopic moving assembly 65, the driving motor 412, the driving speed reducer 532, the rotating motor and the hydraulic station 10 and the like electric parts, and the controller 11 realizes the orderly action of each part through editing program, and each part action can be controlled through a wireless remote controller.

[0053] The tunnel internal steel bar automatic extrusion connecting device of the utility model, in specific use, comprises the following steps:

[0054] Step 1, the longitudinal support 9 is placed along the tunnel edge concrete 1 edge of the upper part of the water groove 2 and fixed on the steel bar 8 on one side.

[0055] Specifically, the U-shaped clamping sleeve 93 is fixed on the steel bar 8 at intervals, the supporting rod 92 is clamped at the lower end of the steel bar 8, the height of the supporting rod 92 is adjusted, the positioning wire 94 is tightened, and the track 91 is placed on one end of the supporting rod 92.

[0056] Step 2, the transverse side of the longitudinal moving mechanism 4 is slidably connected on the longitudinal support 9, and the other side is slidably placed on the tunnel inverted arch surface 3.

[0057] Specifically, the longitudinal moving mechanism 4, the longitudinal moving plate trolley 5, the telescopic moving rack 6 and the extrusion connecting machine 7 are assembled, and after assembly, the longitudinal moving mechanism 4 is placed on the track 91 and the tunnel inverted arch surface 3.

[0058] Step 3, the longitudinal moving mechanism 4 is started to move longitudinally along the water groove 2 to stop when reaching the designated position for connection.

[0059] Specifically, the driving motor 412 is started to drive the driving wheel 411 to rotate and drive the slotted wheel 431 and the longitudinal platform 42 to move forward or backward along the track 91 to the designated position for connecting the steel bar and then stop.

[0060] Step 4, the longitudinal moving plate trolley 5 is started to move longitudinally along the longitudinal moving mechanism 4 to stop when the extrusion connecting machine 7 is opposite to the steel bar 8.

[0061] Specifically, the driving speed reducer 532 is started to drive the friction wheel 23 to make the longitudinal platform 42 move along the linear displacement sliding table 51 to the position for connecting the steel bar 8 and then stop.

[0062] Step 5, the telescopic moving rack 6 is started to drive the extrusion connecting machine 7 to move to extrude and connect the steel bar 8 and then restore to the original position, and the connection of the steel bar 8 is completed.

[0063] Specifically, by starting the lateral telescopic moving assembly 64 to drive the extrusion connecting machine 7 to move laterally to the vicinity of the steel bars 8, then starting the vertical telescopic supporting assembly 62 to drive the extrusion connecting machine 7 to move up and down to the vicinity of the connecting sleeve 12 on the outer periphery of the steel bars 8, then starting the lateral telescopic moving assembly 64 to drive the extrusion groove at the front end of the extrusion connecting machine 7 to be inserted into the corresponding steel bar, then starting the vertical telescopic moving assembly 65 to drive the extrusion connecting machine 7 to move to the lower end of the connecting sleeve 12, and the vertical telescopic moving assembly 65 drives the extrusion connecting machine 7 to reciprocate between the lower end and the upper end of the connecting sleeve 12, and in the process of reciprocating, the extrusion connecting machine 7 extrudes and connects the connecting sleeve 12 and the steel bars 8, after the extrusion and connection is completed, the telescopic moving rack 6 and the longitudinal moving plate car 5 return to the original position.

[0064] Step 6, the longitudinal moving plate car 5 is started again to move longitudinally along the longitudinal moving mechanism 4 to stop when the extrusion connecting machine 7 is opposite to the next steel bar 8; the distance of the longitudinal moving of the longitudinal moving plate car 5 is the same as the interval of the steel bars 8.

[0065] Step 7, steps 5-6 are repeated to complete the extrusion and connection of the corresponding steel bars 8 in turn until the longitudinal moving plate car 5 moves to the end of the longitudinal moving mechanism 4 to stop. At this time, the extrusion and connection of the steel bars in a distance is completed.

[0066] Step 8, the longitudinal moving mechanism 4 is started again to move longitudinally along the water ditch 2 to stop at the next designated position to continue to complete the extrusion and connection of the steel bars at the next designated position.

[0067] In the extrusion connecting device of the utility model, the controller 11 controls the action of all moving parts, which belongs to the prior art of automatic control. The extrusion connecting device of the utility model can realize automatic extrusion and connection of steel bars through programming of the control box. The extrusion and connection of the steel bars 8 by the extrusion connecting machine 7 is a conventional technology in the field, which is not described in detail in the utility model.

[0068] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A device for automatic extrusion of reinforcing bars in a tunnel, characterized in that, The utility model relates to a tunnel steel bar extrusion connecting machine, including: Longitudinal moving mechanism for moving along water ditch groove longitudinally, Longitudinal support for supporting the longitudinal moving mechanism, Longitudinal moving plate car is slidably arranged on the longitudinal moving mechanism and is used for moving longitudinally on the longitudinal moving mechanism, Telescopic moving rack is arranged on the longitudinal moving plate car, Extrusion connecting machine is arranged on the telescopic moving rack and is driven to move extrusion connecting steel bar by the telescopic moving rack.

2. The device for automatic extrusion connection of steel bars in tunnels according to claim 1, characterized in that, The longitudinal support includes U-shaped clamping sleeve, support rod and track, a plurality of U-shaped clamping sleeves are arranged at intervals and are used for nesting corresponding steel bars, one end of the support rod is connected with the U-shaped clamping sleeve, the other end of the support rod extends towards the side of the longitudinal moving mechanism, and the track is arranged on the other end of the support rod and is used for supporting the longitudinal moving mechanism.

3. The device for automatic extrusion connection of steel bars in tunnels according to claim 2, characterized in that, The longitudinal moving mechanism includes longitudinal platform, groove-shaped wheel group and drive wheel group, at least one pair of drive wheel groups are longitudinally arranged at intervals on one lateral side of the longitudinal platform, at least one pair of groove-shaped wheel groups are longitudinally arranged at intervals on the other lateral side of the longitudinal platform, the drive wheel group is used for being slidably supported on the tunnel inverted arch surface, and the groove-shaped wheel group is slidably supported on the track.

4. The device for automatic extrusion connection of steel bars in tunnels according to claim 3, characterized in that, The longitudinal moving plate car includes moving platform, linear displacement sliding table and drive assembly, a pair of linear displacement sliding tables are transversely arranged at intervals on the longitudinal platform, the moving platform is slidably connected on the pair of linear displacement sliding tables, and the drive assembly is arranged on the lower part of the moving platform and is slidably and frictionally attached to the longitudinal platform and is used for driving the moving platform to move longitudinally along the longitudinal platform.

5. The device for automatic extrusion connection of steel bars in tunnels according to claim 4, characterized in that, The drive assembly includes drive speed reducer and friction wheel, the drive speed reducer is connected to the lower part of the moving platform, both output ends of the drive speed reducer are connected with the friction wheel, and the friction wheel is slidably and frictionally attached to the longitudinal platform.

6. The device for automatic extrusion connection of steel bars in tunnels according to claim 4 or 5, characterized in that, The telescopic moving rack includes transverse moving sliding table, vertical telescopic support assembly, transverse telescopic moving assembly and vertical telescopic moving assembly, a pair of transverse moving sliding tables are longitudinally arranged at intervals on the moving platform, one end of the vertical telescopic support assembly is slidably connected on the pair of transverse moving sliding tables, the other end of the vertical telescopic support assembly is slidably connected with the transverse telescopic moving assembly, one end of the transverse telescopic moving assembly extends towards the side of the steel bar and is connected with the vertical telescopic moving assembly, and the lower end of the vertical telescopic moving assembly is hingedly connected with the extrusion connecting machine.

7. The device for automatic extrusion connection of steel bars in tunnels according to claim 6, characterized in that, The transverse moving sliding table includes smooth rod, transverse sliding sleeve and first electric telescopic piece, the transverse sliding sleeve is slidably sleeved on the smooth rod, one end of the first electric telescopic piece is hingedly connected with the smooth rod, the other end of the first electric telescopic piece is hingedly connected with the transverse sliding sleeve, a pair of transverse sliding sleeves are connected through sliding plate, and one end of the vertical telescopic support assembly is connected on the sliding plate.

8. The device for automatic extrusion connection of steel bars in tunnels according to claim 7, characterized in that, The other end of the vertical telescopic support assembly is provided with rotating assembly, and the transverse telescopic moving assembly is arranged on the rotating assembly.

9. The device for automatic extrusion connection of steel bars in tunnels according to claim 8, characterized in that, The lateral telescopic moving assembly and the vertical telescopic moving assembly each comprise a sleeve, a push-pull rod and a second electric telescopic piece, the push-pull rod is slidingly embedded in the sleeve, one end of the second electric telescopic piece is hinged to the sleeve, and the other end of the second electric telescopic piece is hinged to the push-pull rod.

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