Automatic extruding and connecting device and method for reinforcing steel bars in tunnel

Abstract

The invention relates to an automatic extruding and connecting device and method for reinforcing steel bars in a tunnel, the extruding and connecting device 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 water groove, 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 invention belongs to the technical field of tunnel construction equipment, and in particular relates to an automatic extrusion and connection device for steel bars in a tunnel and a method thereof. Background Art

[0002] When constructing the secondary lining concrete on the inner side of the tunnel, vertical steel bars need to be poured on one side of the water ditch. The traditional method is to use arc welding or tying. However, since one side of the vertical steel bars is a water ditch, it is inconvenient for construction workers to connect or tie them one by one. In addition, since the environment in the tunnel is relatively closed and the ventilation is poor, the connection method is prone to cause fire and environmental pollution. Using a heavy-duty extrusion welding gun for connection can avoid fire. However, due to its heavy weight, the construction workers need to lift it up in the air for operation, which has low connection efficiency and wastes manpower. Summary of the invention

[0003] In view of the above problems, the purpose of the present invention is to provide an automatic extrusion connection device and method for steel bars in a tunnel. The extrusion connection device of the present invention can realize the extrusion connection of steel bars on the upper part of the water ditch, and has high working efficiency.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] First, the present invention provides an automatic extrusion and connection device for steel bars in a tunnel, comprising:

[0006] A longitudinal moving mechanism, used for longitudinal movement along the water ditch;

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

[0008] A longitudinal moving trolley is slidably arranged on the longitudinal moving mechanism and is used for longitudinal movement on the longitudinal moving mechanism;

[0009] A telescopic movable platform is arranged on the longitudinal movable trolley;

[0010] The extrusion connection machine is arranged on the telescopic movable platform, and is driven by the telescopic movable platform to move and extrude the connected steel bars.

[0011] Furthermore, the longitudinal bracket includes a U-shaped sleeve, a support rod and a track. Several U-shaped sleeves are arranged at intervals and are used to nest corresponding steel bars. One end of the support rod is connected to the U-shaped sleeve, and the other end of the support rod extends toward one side of the longitudinal moving mechanism. The track is arranged on the other end of the support rod, and the track is used to support the longitudinal moving mechanism.

[0012] Furthermore, the longitudinal moving mechanism includes a longitudinal platform, a grooved wheel group and a driving wheel group, at least one pair of the driving wheel groups are longitudinally spaced apart on one lateral side of the longitudinal platform, and at least one pair of the grooved wheel groups are longitudinally spaced apart on the other lateral side of the longitudinal platform. The driving wheel group is used for sliding support on the tunnel invert surface, and the grooved wheel group is sliding supported on the track.

[0013] Furthermore, the longitudinally movable pallet includes a movable platform, a linear displacement slide and a driving assembly. A pair of the linear displacement slides are laterally spaced apart on the longitudinal platform. The movable platform is slidably connected to the pair of linear displacement slides. The driving assembly is arranged at the lower part of the movable platform and is in sliding and frictional engagement with the longitudinal platform to drive the movable platform to move longitudinally along the longitudinal platform.

[0014] Furthermore, the driving assembly includes a driving reducer and a friction wheel, the driving reducer is connected to the lower part of the mobile platform, both output ends of the driving reducer are connected to the friction wheel, and the friction wheel is in sliding friction fit with the longitudinal platform.

[0015] Furthermore, the telescopic movable platform includes a transverse movable slide, a vertical telescopic support assembly, a transverse telescopic movable assembly and a vertical telescopic movable assembly. A pair of the transverse movable slides are longitudinally spaced apart on the movable platform. One end of the vertical telescopic support assembly is slidably connected to the pair of transverse movable slides. The other end of the vertical telescopic support assembly is slidably connected to the transverse telescopic movable assembly. One end of the transverse telescopic movable assembly extends toward one side of the steel bar and is connected to the vertical telescopic movable assembly. The lower end of the vertical telescopic movable assembly is hinged to the extrusion connector.

[0016] Furthermore, the transverse movable slide includes a smooth rod, a transverse sliding sleeve and a first electric telescopic component. The transverse sliding sleeve is slidably mounted on the smooth rod. One end of the first electric telescopic component is hinged to the smooth rod, and the other end of the first electric telescopic component is hinged to the transverse sliding sleeve. A pair of the transverse sliding sleeves are connected by a slide plate, and one end of the vertical telescopic support assembly is connected to the slide plate.

[0017] Furthermore, a rotating assembly is provided at the other end of the vertical telescopic support assembly, and the lateral telescopic moving assembly is provided on the rotating assembly.

[0018] Furthermore, the lateral telescopic moving assembly and the vertical telescopic moving assembly both include a sleeve, a push-pull rod and a second electric telescopic member, the push-pull rod is slidably embedded in the sleeve, one end of the second electric telescopic member is hinged to the sleeve, and the other end of the second electric telescopic member is hinged to the push-pull rod.

[0019] Secondly, the present invention also provides a method for automatically extruding and connecting steel bars in a tunnel, using the extrusion connection device of the present invention, the method comprising the following steps:

[0020] Step 1, longitudinally place the longitudinal support along the concrete edge of the tunnel side at the upper part of the water trench and fix one side to the steel bar;

[0021] Step 2, slidingly connecting one lateral side of the longitudinal moving mechanism to the longitudinal bracket, and slidingly placing the other side on the tunnel invert surface;

[0022] Step 3, starting the longitudinal moving mechanism to move longitudinally along the water groove to a designated position where the steel bars are connected and stopping;

[0023] Step 4, start the longitudinal moving platen to move longitudinally along the longitudinal moving mechanism to the position where the extrusion connector is opposite to the steel bar and stop;

[0024] Step 5, starting the telescopic movable stand to drive the extrusion connection machine to move, extrude and connect the steel bars, and then restore them to their original positions to complete the connection of the steel bars;

[0025] Step 6, start the longitudinal moving platen again and move it longitudinally along the longitudinal moving mechanism to the position where the extrusion connector is opposite to the next steel bar and stop;

[0026] Step 7, repeat steps 5-6 until the longitudinal moving trolley moves to the end of the longitudinal moving mechanism and stops.

[0027] The present invention adopts the above technical solution, which has the following advantages and effects:

[0028] The invention discloses an automatic extrusion connection device and method for steel bars in a tunnel. By adopting components such as a longitudinal support, a longitudinal moving mechanism and a longitudinal moving trolley, the invention realizes a fast and efficient extrusion connection of vertical steel bars arranged on one side of the concrete at the side of the tunnel. In addition, the invention improves work efficiency and reduces labor intensity through automated extrusion connection, while avoiding the problems of fire and environmental pollution in the tunnel. Furthermore, through the extrusion connection method, the steel bars can be firmly connected, thereby improving the safety performance of the tunnel structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic structural diagram of the extrusion connection device of the present invention.

[0030] Figure 2 for Figure 1 Side view of.

[0031] The reference numerals are as follows:

[0032] 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-grooved wheel group, 431-grooved wheel, 432-grooved wheel frame, 5-longitudinal moving trolley, 51-linear displacement slide, 511-sliding block, 512-longitudinal slide rail, 52-moving platform, 53-driving assembly, 531-friction wheel, 532-driving reducer, 54-guardrail, 6-telescopic moving platform, 61-lateral moving slide, 611 -first electric telescopic member, 612-lateral sliding sleeve, 613-smooth rod, 62-vertical telescopic support assembly, 63-rotating assembly, 64-lateral telescopic moving assembly, 641-sleeve, 642-second electric telescopic member, 643-push-pull rod, 65-vertical telescopic moving assembly, 66-ball hinge, 661-spherical seat, 662-spherical rod, 7-extrusion connecting machine, 8-rebar, 9-longitudinal bracket, 91-track, 92-support rod, 93-U-shaped ferrule, 94-positioning wire, 95-adjusting bolt, 10-hydraulic station, 11-controller, 12-connecting sleeve. DETAILED DESCRIPTION

[0033] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings so that the purpose, features and advantages of the present invention can be more clearly understood. It should be understood that the embodiments shown in the accompanying drawings are not intended to limit the scope of the present invention, but are only intended to illustrate the essential spirit of the technical solution of the present invention.

[0034] like Figure 1 , Figure 2 As shown. An automatic extrusion connection device for steel bars in a tunnel of the present invention comprises a longitudinal support 9, a longitudinal moving mechanism 4, a longitudinal moving plate trolley 5, a telescopic moving platform 6 and an extrusion connection machine 7. The longitudinal support 9 is used to support the longitudinal moving mechanism 4. The longitudinal moving mechanism 4 is located at the upper part of the water ditch 2 and one side of the longitudinal side is slidably set on the longitudinal support 9 and supported by the longitudinal support 9. The other side of the longitudinal side is used to be slidably set on the tunnel invert surface 3. The longitudinal moving mechanism 4 moves longitudinally along the water ditch 2 through the longitudinal support 9 and the tunnel invert surface 3, thereby driving the longitudinal moving plate trolley 5, the telescopic moving platform 6 and the extrusion connection machine 7 to move. The longitudinal moving plate trolley 5 is slidably set on the longitudinal moving mechanism 4, and the longitudinal moving plate trolley 5 is used to drive the extrusion connection machine 7 to move longitudinally at intervals on the longitudinal moving mechanism 4. The telescopic moving platform 6 is set on the longitudinal moving plate trolley 5, and the extrusion connection machine 7 is set on the telescopic moving platform 6 facing the side of the steel bar 8. The extrusion connection machine 7 is driven by the telescopic moving platform 6 to move and extrude the steel bar 8.

[0035] Specifically, the steel bars 8 are arranged side by side on the tunnel side concrete 1, one side of the edge of the tunnel side concrete 1 is a water groove 2, and the tunnel inverted arch surface 3 is located on the other side of the water groove 2 and is spaced opposite to the tunnel side concrete 1. The longitudinal bracket 9 extends longitudinally along one side of the tunnel side concrete 1, one side of the longitudinal bracket 9 is arranged on the steel bars 8, and the other side of the longitudinal bracket 9 is suspended above the water groove 2 at the edge of the tunnel side concrete 1. When the steel bars 8 are connected, the longitudinal bracket 9 is first fixed on the steel bars 8, and then the longitudinal moving mechanism 4 is placed on the longitudinal bracket 9 and the tunnel inverted arch surface 3, and the longitudinal moving plate 5 is sequentially moved along the longitudinal moving mechanism 4 to the position opposite to the steel bars 8 to be connected. When the longitudinal moving plate 5 moves one interval, the telescopic moving platform 6 moves to adjust the position of the extrusion connection machine 7 and realizes the axial connection of the corresponding steel bars 8. When the longitudinal moving plate 5 moves from the front end to the rear end of the longitudinal moving mechanism 4, the connection of the steel bars 8 within a longitudinal distance is completed. When the steel bars in the next section need to be connected, the longitudinal moving mechanism 4 moves to the position where the steel bars in the next section need to be connected, and the longitudinal moving plate trolley 5 drives the extrusion connection machine 7 to move from the front end to the rear end of the longitudinal moving mechanism 4 in sequence, so as to connect the steel bars 8 in the next section. This reciprocating operation is carried out until all the steel bars 8 in the concrete 1 of the entire tunnel side are connected.

[0036] Furthermore, the longitudinal bracket 9 includes a U-shaped sleeve 93, a support rod 92 and a track 91. Several U-shaped sleeves 93 are arranged at intervals and are all used to nest corresponding steel bars 8. One end of the support rod 92 is connected to the U-shaped sleeve 93, and the other end of the support rod 92 extends toward one side of the longitudinal moving mechanism 4. The track 91 is arranged on the other end of the support rod 92, and the track 91 is used to support the longitudinal moving mechanism 4.

[0037] Specifically, a U-shaped sleeve 93 is sequentially mounted on the lower part of the spaced steel bars 8, an adjusting bolt 95 is provided on one side of the U-shaped sleeve 93, the bottom of the adjusting bolt 95 is supported on the tunnel side concrete 1, the adjusting bolt 95 is used to adjust the height of the U-shaped sleeve 93, and a positioning wire 94 is provided on the outer periphery of the U-shaped sleeve 93, and the positioning wire 94 is used to fix the U-shaped sleeve 93 on the steel bar 8.

[0038] The support rod 92 is a Z-shaped structure, and the other side of the U-shaped sleeve 93 is connected to one end of the support rod 92. 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 ditch 2 in sequence and is suspended. An I-shaped track 91 is longitudinally arranged on the upper surface of the other end of each support rod 92.

[0039] Furthermore, the longitudinal moving mechanism 4 includes a longitudinal platform 42, a grooved wheel group 43 and a driving wheel group 41, at least one pair of driving wheel groups 41 are longitudinally spaced apart on one lateral side of the longitudinal platform 42, at least one pair of grooved wheel groups 43 are longitudinally spaced apart on the other lateral side of the longitudinal platform 42, the driving wheel group 41 is used for sliding support on the tunnel invert surface 3, and the grooved wheel group 43 is sliding supported on the track 91.

[0040] Specifically, a plurality of grooved wheel groups 43 are arranged at intervals in the longitudinal direction of the track 91. The grooved wheel group 43 includes a grooved wheel 431 and a grooved wheel frame 432. The grooved wheel 431 is slidably nested in the grooved wheel frame 432. The top of the grooved wheel frame 432 is connected to one side of the lower part of the longitudinal platform 42. The outer periphery of the grooved wheel 431 is slidably nested on the track 91. The driving wheel group 41 is arranged at a horizontal interval relative to the grooved wheel group 43 on the other side of the lower part of the longitudinal platform 42. The driving wheel group 41 and the grooved wheel group 43 support the longitudinal platform 42. When the driving wheel group 41 moves, it drives the longitudinal platform 42 to move, and the grooved wheel group 43 moves along the track 91 at the same time.

[0041] The driving wheel group 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 slidably nested in the driving wheel frame 413. The outer bottom of the driving wheel 411 fits with the tunnel invert surface 3. A 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 group. The driving gear group 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 meshed.

[0042] Furthermore, the longitudinal moving pallet 5 includes a moving platform 52, a linear displacement slide 51 and a driving assembly 53. A pair of linear displacement slides 51 are laterally spaced apart on the longitudinal platform 42. The moving platform 52 is slidably connected to the pair of linear displacement slides 51. The driving assembly 53 is arranged at the lower part of the moving platform 52 and is in sliding and frictional fit with the longitudinal platform 42. The driving assembly 53 is used to drive the moving platform 52 to move longitudinally along the longitudinal platform 42.

[0043] Specifically, protective railings 54 are provided at both longitudinal ends of the mobile platform 52 and at the periphery of one side away from the steel bars. The linear displacement slide 51 includes a longitudinal slide rail 512 and a slide block 511, the slide block 511 is embedded in the longitudinal slide rail 512, a pair of longitudinal slide rails 512 are transversely spaced and arranged on the upper surface of the longitudinal platform 42, and the upper surfaces of the pair of slide blocks 511 are connected to the mobile platform 52.

[0044] Furthermore, the driving assembly 53 includes a driving reducer 532 and a friction wheel 531 . The driving reducer 532 is connected to the lower part of the mobile platform 52 . Both output ends of the driving reducer 532 are connected to the friction wheel 531 . The friction wheel 531 is in sliding and frictional contact with the longitudinal platform 42 .

[0045] Specifically, the driving reducer 532 is axially arranged at the center of the lower bottom surface of the mobile platform 52. When the driving reducer 532 drives a pair of friction wheels 531 to rotate, the friction wheels 531 and the upper surface of the longitudinal platform 42 drive the mobile platform 52 to move through friction.

[0046] Furthermore, the telescopic movable platform 6 includes a transverse movable slide 61, a vertical telescopic support assembly 62, a transverse telescopic movable assembly 64 and a vertical telescopic movable assembly 65. A pair of transverse movable slides 61 are longitudinally spaced apart on the movable platform 52. One end of the vertical telescopic support assembly 62 is slidably connected to the pair of transverse movable slides 61. The other end of the vertical telescopic support assembly 62 is slidably connected to the transverse telescopic movable assembly 64. One end of the transverse telescopic movable assembly 64 extends toward one side of the steel bar 8 and is connected to the vertical telescopic movable assembly 65. The lower end of the vertical telescopic support assembly 62 is hinged to the extrusion connector 7.

[0047] Specifically, a pair of transverse movable slides 61 are connected as one through a slide plate, the bottom of the vertical telescopic support assembly 62 is fixed at the center of the slide plate, the middle of the transverse telescopic movable assembly 64 is fixed at the top of the vertical telescopic support assembly 62, the transverse telescopic movable assembly 64 is vertically connected to the vertical telescopic support assembly 62, the telescopic end of the transverse telescopic movable assembly 64 is connected to the fixed end of the vertical telescopic movable assembly 65, the transverse telescopic movable assembly 64 is used to drive the extrusion connection machine 7 to move laterally to adjust the transverse distance between the extrusion connection machine 7 and the steel bar 8, and the vertical telescopic support assembly 62 is used to adjust the height of the extrusion connection machine 7 up and down. The telescopic end of the vertical telescopic support assembly 62 is hinged to the extrusion connection machine 7, and the vertical telescopic movable assembly 65 is used to drive the extrusion connection machine 7 to move axially along the steel bar 8 to extrude and connect the steel bar. The vertical telescopic support assembly is preferably an electric telescopic cylinder.

[0048] Furthermore, the transverse movable slide 61 includes a smooth rod 613, a transverse sleeve 612 and a first electric telescopic member 611. The transverse sleeve 612 is slidably mounted on the smooth rod 613. One end of the first electric telescopic member 611 is hinged to the smooth rod 613. The other end of the first electric telescopic member 611 is hinged to the transverse sleeve 612. A pair of transverse sleeves 612 are connected by a slide plate. One end of the vertical telescopic support assembly 62 is connected to the slide plate.

[0049] Specifically, a pair of transverse sliding sleeves 612 are connected by a slide plate, the fixed end of the first electric telescopic member 611 is hinged to the end of the smooth rod 613 away from the steel bar 8, the telescopic end of the first electric telescopic member 611 is hinged to the transverse sliding sleeve 612, and the telescopic movement of the first electric telescopic member 611 drives the transverse sliding sleeve 612 to move axially along the smooth rod 613.

[0050] As a preferred embodiment, the lateral movable slide comprises a linear guide rail, a linear slider, a lead screw and a motor, wherein the motor is arranged at one end of the linear guide rail, the linear slider slides and is nested in the linear guide rail, one end of the lead screw is connected to the motor, the other end of the lead screw slides and is nested in the other end of the linear guide rail, and the lead screw passes through the linear slider and is screwed thereto. The slide plate is connected to a pair of linear sliders, and the linear sliders 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 movable platform 6.

[0051] Furthermore, in order to facilitate the rotation of the extrusion connector 7 , a rotating assembly 63 is provided at the other end of the vertical telescopic support assembly 62 , and a transverse telescopic moving assembly 64 is provided on the rotating assembly 63 .

[0052] Specifically, the rotating assembly 63 includes 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 support assembly 62. The rotating shaft 17 is slidably connected to the rotating cylinder through a bearing. The bottom of the rotating shaft is connected to the rotating motor. The top of the rotating shaft extends out of the rotating cylinder and is connected to a rotating shaft plate. A lateral telescopic moving assembly 64 is arranged on the rotating shaft plate.

[0053] Furthermore, the lateral telescopic moving assembly 64 and the vertical telescopic supporting assembly 62 both include a sleeve 641, a push-pull rod 643 and a second electric telescopic member 642. The push-pull rod 643 is slidably embedded in the sleeve 641. One end of the second electric telescopic member 642 is hinged to the sleeve 641, and the other end of the second electric telescopic member 642 is hinged to the push-pull rod 643.

[0054] Specifically, taking the transverse telescopic moving assembly 64 as an example, the middle part of the sleeve 641 is connected to the rotating shaft of the rotating assembly 63, and the fixed end of the second electric telescopic member 642 is hinged on the outer periphery of the sleeve 641, and the sleeve 641 can be connected to the rotating shaft plate as a fixed end. The telescopic end of the second electric telescopic member 642 is hinged on the end of the push-pull rod away from the steel bar, and the telescopic movement of the second electric telescopic member 642 drives the push-pull rod 643 to move along the axial direction of the sleeve to achieve the adjustment of the transverse distance between the vertical telescopic moving assembly 65 and the steel bar.

[0055] 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 horizontal telescopic moving assembly 64 facing the steel bar. The second electric telescopic member 642 is preferably an electric telescopic cylinder or an electric telescopic push rod.

[0056] Furthermore, a second electric telescopic member 642 is disposed on both sides of the outer periphery of the sleeve 641, and a pair of second electric telescopic members 642 can increase the telescopic movement strength of the push-pull rod 643. The second electric telescopic members 642 are disposed on both sides of the outer periphery of the sleeve 641 and are respectively hinged to the sleeve 641 and the push-pull rod 643.

[0057] Of course, as a preference, the lateral telescopic moving assembly 64 and the vertical telescopic supporting assembly 62 can also be an electric telescopic cylinder or an electric telescopic push rod. In this case, the push-pull rod 643 and the sleeve 641 are not required.

[0058] Furthermore, in order to facilitate the adjustment of the angle of the extrusion connector 7 , the lower end of the vertical telescopic moving assembly 65 is connected to the extrusion connector 7 via a ball hinge 66 .

[0059] Specifically, the ball hinge 66 includes a ball seat 661 and a ball rod 662. The ball seat 661 is embedded with the ball rod 662. The lower end of the ball rod 662 is connected to the extrusion connector 7. The upper end of the ball rod 662 is connected to 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 hinged to the extrusion connector 7 as the telescopic end.

[0060] Furthermore, in order to realize the control of the entire device, a controller 11 is installed on one side of the upper surface of the mobile platform 52, and a hydraulic station 10 is installed outside the controller 11. The hydraulic station 10 can provide power for the extrusion connector 7. The controller 11 is electrically connected to the electric components such as the first electric telescopic member 611, the second electric telescopic member 642, the lateral telescopic moving assembly 64, the vertical telescopic moving assembly 65, the driving motor 412, the driving reducer 532, the rotary motor and the hydraulic station 10. The controller 11 realizes the orderly movement of each component by editing the program, and can control the movement of each component by a wireless remote controller.

[0061] The present invention also provides a method for automatically extruding and connecting steel bars in a tunnel. The extrusion connection method of the present invention is implemented using the extrusion connection device of the present invention. The extrusion connection method specifically comprises the following steps:

[0062] Step 1: Place the longitudinal support 9 longitudinally along the edge of the tunnel side concrete 1 on the upper part of the water ditch 2 and fix one side of the longitudinal support 9 on the steel bar 8.

[0063] Specifically, first fix the U-shaped sleeve 93 on the steel bar 8 at intervals, clamp the support rod 92 on the lower end of the steel bar 8, adjust the height of the support rod 92, tighten the positioning wire 94, and place the track 91 on one end of the support rod 92.

[0064] Step 2, slidingly connect one lateral side of the longitudinal moving mechanism 4 to the longitudinal bracket 9, and slidingly place the other side on the tunnel invert surface 3.

[0065] Specifically, the longitudinal moving mechanism 4, the longitudinal moving platen 5, the telescopic moving platform 6 and the extrusion connection machine 7 are assembled, and after the assembly, the longitudinal moving mechanism 4 is placed on the track 91 and the tunnel invert surface 3.

[0066] Step 3, start the longitudinal moving mechanism 4 to move longitudinally along the water groove 2 and stop when it reaches the designated connection position.

[0067] Specifically, the driving motor 412 is started to drive the driving wheel 411 to rotate, and the grooved wheel 431 and the longitudinal platform 42 move forward or backward along the track 91 to a designated position where the steel bars need to be connected and then stop.

[0068] Step 4, start the longitudinal moving platen 5 and move it longitudinally along the longitudinal moving mechanism 4 to the position where the extrusion connector 7 and the steel bar 8 are opposite to each other and stop.

[0069] Specifically, the friction wheel 23 is driven by starting the driving reducer 532 to move the longitudinal platform 42 along the linear displacement slide 51 to the position where the steel bar 8 needs to be connected and then stop.

[0070] Step 5, start the telescopic movable stand 6 to drive the extrusion connection machine 7 to move, extrude and connect the steel bars 8, and then restore the original position to complete the connection of the steel bars 8.

[0071] Specifically, the lateral telescopic moving assembly 64 is started to drive the extrusion connection machine 7 to move horizontally to the vicinity of the steel bar 8, and then the vertical telescopic support assembly 62 is started to drive the extrusion connection machine 7 to move up and down to the vicinity of the connecting sleeve 12 on the periphery of the steel bar 8, and then the lateral telescopic moving assembly 64 drives the extrusion groove at the front end of the extrusion connection machine 7 to insert into the corresponding steel bar, and then the vertical telescopic moving assembly 65 is started to drive the extrusion connection machine 7 to move to the lower end of the connecting sleeve 12, and the vertical telescopic moving assembly 65 moves to drive the extrusion connection machine 7 to reciprocate between the lower end and the upper end of the connecting sleeve 12. During the reciprocating movement of the extrusion connection machine 7, the extrusion connection machine 7 performs extrusion connection on the connecting sleeve 12 and the steel bar 8. After the extrusion connection is completed, the telescopic moving stand 6 and the longitudinal moving plate 5 return to their original positions.

[0072] Step 6, start the longitudinal moving cart 5 again and move it longitudinally along the longitudinal moving mechanism 4 to the position where the extrusion connector 7 is opposite to the next steel bar 8 and stop; the longitudinal moving distance of the longitudinal moving cart 5 is the same as the spacing between the steel bars 8.

[0073] Step 7, repeating steps 5-6, and completing the extrusion connection of the corresponding steel bars 8 in sequence, until the longitudinal moving plate 5 moves to the end of the longitudinal moving mechanism 4 and stops. At this time, the extrusion connection of the steel bars within a certain distance is completed.

[0074] Step 8, start the longitudinal moving mechanism 4 again and move it longitudinally along the water groove 2 to the next designated position and stop, and continue to complete the extrusion connection of the steel bars at the next designated position.

[0075] In the extrusion connection method of the present invention, the controller 11 controls the actions of all moving parts, which belongs to the automatic control of the prior art. The extrusion connection method of the present invention can realize automatic extrusion connection of steel bars through the control box programming program. At the same time, the extrusion connection machine 7 extrudes the steel bars 8, which is a conventional technology in the field, and the present invention will not be described in detail here.

[0076] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An automatic extrusion and connection device for steel bars in a tunnel, characterized in that: include: A longitudinal moving mechanism, used for longitudinal movement along the water ditch; A longitudinal support, used for supporting the longitudinal moving mechanism; A longitudinal moving trolley is slidably arranged on the longitudinal moving mechanism and is used for longitudinal movement on the longitudinal moving mechanism; A telescopic movable platform is arranged on the longitudinal movable trolley; The extrusion connection machine is arranged on the telescopic movable platform, and is driven by the telescopic movable platform to move and extrude the connected steel bars.

2. The automatic extrusion and connection device for steel bars in a tunnel according to claim 1, characterized in that: The longitudinal bracket includes a U-shaped sleeve, a support rod and a track. Several U-shaped sleeves are arranged at intervals and are used to nest corresponding steel bars. One end of the support rod is connected to the U-shaped sleeve, and the other end of the support rod extends toward one side of the longitudinal moving mechanism. The track is arranged on the other end of the support rod, and the track is used to support the longitudinal moving mechanism.

3. The automatic extrusion and connection device for steel bars in a tunnel according to claim 2, characterized in that: The longitudinal moving mechanism includes a longitudinal platform, a grooved wheel group and a driving wheel group, at least one pair of the driving wheel groups are longitudinally spaced apart on one lateral side of the longitudinal platform, and at least one pair of the grooved wheel groups are longitudinally spaced apart on the other lateral side of the longitudinal platform. The driving wheel group is used for sliding support on the tunnel invert surface, and the grooved wheel group is sliding supported on the track.

4. The automatic extrusion and connection device for steel bars in a tunnel according to claim 3, characterized in that: The longitudinal moving pallet truck includes a moving platform, a linear displacement slide and a driving assembly. A pair of the linear displacement slides are arranged on the longitudinal platform with transverse intervals. The moving platform is slidably connected to the pair of linear displacement slides. The driving assembly is arranged at the lower part of the moving platform and is in sliding frictional contact with the longitudinal platform to drive the moving platform to move longitudinally along the longitudinal platform.

5. The automatic extrusion and connection device for steel bars in a tunnel according to claim 4, characterized in that: The driving assembly includes a driving reducer and a friction wheel. The driving reducer is connected to the lower part of the mobile platform. Both output ends of the driving reducer are connected to the friction wheel. The friction wheel is in sliding and frictional contact with the longitudinal platform.

6. The automatic extrusion and connection device for steel bars in a tunnel according to claim 4 or 5, characterized in that: The telescopic movable platform comprises a transverse movable slide, a vertical telescopic support assembly, a transverse telescopic movable assembly and a vertical telescopic movable assembly. A pair of the transverse movable slides are longitudinally spaced apart on the movable platform. One end of the vertical telescopic support assembly is slidably connected to the pair of transverse movable slides. The other end of the vertical telescopic support assembly is slidably connected to the transverse telescopic movable assembly. One end of the transverse telescopic movable assembly extends toward one side of the steel bar and is connected to the vertical telescopic movable assembly. The lower end of the vertical telescopic movable assembly is hinged to the extrusion connector.

7. The automatic extrusion and connection device for steel bars in a tunnel according to claim 6, characterized in that: The transverse movable slide includes a smooth rod, a transverse sliding sleeve and a first electric telescopic component. The transverse sliding sleeve is slidably mounted on the smooth rod. One end of the first electric telescopic component is hinged to the smooth rod, and the other end of the first electric telescopic component is hinged to the transverse sliding sleeve. A pair of the transverse sliding sleeves are connected by a slide plate, and one end of the vertical telescopic support assembly is connected to the slide plate.

8. The automatic extrusion and connection device for steel bars in a tunnel according to claim 7, characterized in that: A rotating assembly is arranged at the other end of the vertical telescopic support assembly, and the lateral telescopic moving assembly is arranged on the rotating assembly.

9. The automatic extrusion and connection device for steel bars in a tunnel according to claim 8, characterized in that: The lateral telescopic moving assembly and the vertical telescopic moving assembly both include a sleeve, a push-pull rod and a second electric telescopic member. The push-pull rod is slidably embedded in the sleeve, one end of the second electric telescopic member is hinged to the sleeve, and the other end of the second electric telescopic member is hinged to the push-pull rod.

10. An extrusion connection method using the automatic extrusion connection device for steel bars in a tunnel according to any one of the above claims, characterized in that: The steps include: Step 1, longitudinally place the longitudinal support along the concrete edge of the tunnel side at the upper part of the water trench and fix one side to the steel bar; Step 2, slidingly connecting one lateral side of the longitudinal moving mechanism to the longitudinal bracket, and slidingly placing the other side on the tunnel invert surface; Step 3, starting the longitudinal moving mechanism to move longitudinally along the water groove to a designated position where the steel bars are connected and stopping; Step 4, start the longitudinal moving platen to move longitudinally along the longitudinal moving mechanism to the position where the extrusion connector is opposite to the steel bar and stop; Step 5, starting the telescopic movable stand to drive the extrusion connection machine to move, extrude and connect the steel bars, and then restore them to their original positions to complete the connection of the steel bars; Step 6, start the longitudinal moving platen again and move it longitudinally along the longitudinal moving mechanism to the position where the extrusion connector is opposite to the next steel bar and stop; Step 7, repeat steps 5-6 until the longitudinal moving trolley moves to the end of the longitudinal moving mechanism and stops.

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