Welding device and welding method for tunnel civil air defense facility construction

Abstract

The invention discloses a welding device and method for tunnel civil air defense facility construction, and relates to the technical field of welding devices.The welding device comprises a welding supporting mechanism and welding equipment installed in the welding supporting mechanism, and a movable protection mechanism is arranged at the bottom of the welding supporting mechanism; fixed supporting rods are symmetrically arranged on one side of the top of the movable protection mechanism, the welding supporting mechanism comprises a supporting base, a supporting baffle is fixedly installed on one side of the top of the supporting base, first supporting frames are symmetrically installed on the side, away from the supporting baffle, of the top of the supporting base, and two lifting supports move relatively; according to the technical scheme, bending of the bendable steel plate can be achieved, a welding piece on the top of the arc-shaped tunnel civil air defense facility can be conveniently supported, the bending angle of the bendable steel plate can be limited through the limiting effect of the limiting support, and the phenomenon that the bending angle of the bendable steel plate is too large, and consequently bending fatigue of the bendable steel plate is caused is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of welding devices, and in particular to a welding device and a welding method for the construction of tunnel civil air defense facilities. Background Art

[0002] In tunnel engineering, I-beams are often bent and assembled into supporting arch frames for support. Among the many tunnel support construction schemes, tunnel arch frame construction is the most important for tunnel safety. The tunnel arch frame itself has a certain strength and can resist bending. It has a relatively hard texture. After the tunnel arch frame is constructed, the working environment in the tunnel will be significantly improved. The two ends of the bent I-beams need to be welded with connecting plates before they can be spliced ​​into steel arch frames. In order to ensure a stable connection between the connecting plates and the I-beams, welding work needs to be performed.

[0003] Announcement No. CN 117817224 B discloses a welding device for tunnel construction, which is provided with an adjustment mechanism and a clamping mechanism. The welding gun clamped by the clamping mechanism is moved to the welding position of the steel lining plate through the adjustment mechanism, and the gear rack moving module of the adjustment mechanism drives the welding gun to move in a uniform linear motion to perform stable welding. During the movement of the welding gun, the limiting wheel of the clamping mechanism always abuts against the steel lining plate, thereby limiting the position of the welding gun, and the welding gun nozzle and the steel lining plate are kept at a fixed gap for movement, so that the welding gun can automatically adapt to the height change of the tunnel top, thereby improving the welding quality of the weld. However, the above patent still has the following problems in actual use:

[0004] Although the welding equipment for tunnel construction uses an adjustment mechanism to move the welding gun clamped by the clamping mechanism to the welding position of the steel lining to be welded, and drives the welding gun to move in a uniform straight line through the gear rack moving module of the adjustment mechanism to perform smooth welding, the welding equipment for tunnel construction is not convenient for abutting the arc-shaped steel lining, resulting in the steel lining being unable to obtain stable support, causing the weld to be too large, affecting the quality of the welding.

[0005] Therefore, a welding device and a welding method for the construction of tunnel civil air defense facilities are proposed to solve the above-mentioned problems. Summary of the invention

[0006] The object of the present invention is to provide a welding device and a welding method for the construction of tunnel civil air defense facilities, so as to solve the problem proposed in the above-mentioned background technology that although the welding equipment for tunnel construction moves the welding gun clamped by the clamping mechanism to the welding position of the steel lining plate to be welded through the adjusting mechanism, and drives the welding gun to move in a straight line at a uniform speed through the gear rack moving module of the adjusting mechanism to perform smooth welding, the welding equipment for tunnel construction is not convenient for abutting the arc-shaped steel lining plate, resulting in the steel lining plate being unable to obtain stable support, causing the weld to be too large, thereby affecting the welding quality.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solutions: a welding device and a welding method for tunnel civil air defense facility construction, comprising a welding support mechanism, and a welding device installed inside the welding support mechanism;

[0008] A movable protection mechanism is provided at the bottom of the welding support mechanism, and a fixed support rod is symmetrically provided on one side of the top of the movable protection mechanism;

[0009] Also includes:

[0010] The welding support mechanism comprises a support base, a support baffle is fixedly mounted on one side of the top of the support base, and a first support frame is symmetrically mounted on one side of the top of the support base away from the support baffle;

[0011] The support base is symmetrically and slidably connected to a sliding guardrail inside the front and rear sides, and both sides of the sliding guardrail are symmetrically threadedly connected to fixing bolts, and the sliding guardrail is fixedly connected to the support baffle and the first support frame respectively through the fixing bolts;

[0012] Among them, a first adjusting motor is fixedly installed on the inner side of the support base, the output end of the first adjusting motor is fixedly connected to the first sprocket transmission assembly, one side of the first sprocket transmission assembly is symmetrically connected to the first bidirectional threaded rod, and the outer sides of the two first bidirectional threaded rods are symmetrically threaded with the first adjusting threaded sleeves.

[0013] Preferably, a second adjusting bracket is fixedly installed on the top of the first adjusting threaded sleeve on one side, a second adjusting motor is fixedly installed on the end of the second adjusting bracket, a second bidirectional threaded rod is fixedly connected to the output end of the second adjusting motor, a second adjusting threaded sleeve is symmetrically threaded on the outer side of the second bidirectional threaded rod, and a lifting bracket is fixedly installed on the top of the second adjusting threaded sleeve.

[0014] By adopting the above technical scheme, the sliding guardrail is fixed with fixing bolts, thereby improving the safety of welding, and the first adjusting motor drives the first sprocket transmission assembly and the first bidirectional threaded rod to rotate, so that the first adjusting threaded sleeve drives the second adjusting bracket to move relatively, so that the distance between the flexible steel plates can be adjusted, and the support position can be adjusted to improve the supporting effect of the flexible steel plates. At the same time, the second adjusting motor is started to drive the second bidirectional threaded rod and the second adjusting threaded sleeve to rotate, so that the two lifting brackets move relatively, and the bending of the flexible steel plate can be realized, which is convenient for supporting the welded parts on the top of the curved tunnel civil defense facilities.

[0015] Preferably, a lifting motor is fixedly installed on the top of the lifting bracket, and a lifting threaded rod is fixedly connected to the output end of the lifting motor. A lifting threaded sleeve is threadedly connected to the outer side of the lifting threaded rod, and a lifting support rod is fixedly installed on one side of the lifting threaded sleeve. A rotating bearing is fixedly installed on the top of the lifting support rod, and a flexible steel plate is rotatably connected between the two rotating bearings.

[0016] By adopting the above technical solution, the lifting motor is started to drive the lifting threaded rod to rotate, so that the lifting threaded sleeve drives the lifting support rod, the rotating support and the flexible steel plate to move up and down, so as to support the flat welded parts at different heights.

[0017] Preferably, a limiting slide groove is provided on one side of the top of the lifting bracket, the limiting slide groove is internally slidably connected to the limiting slider, the outer sides of the two limiting sliders are slidably connected to the limiting bracket, the limiting bracket has a limiting sliding rod fixedly installed inside, a limiting spring fixedly installed in the middle of the limiting sliding rod, both ends of the limiting spring are fixedly installed with limiting sliding sleeves, and the top of the limiting sliding sleeve is rotatably connected to a vertical support frame.

[0018] By adopting the above technical solution, the relative movement of the vertical support frame can be achieved by utilizing the limiting sliding rod and the limiting spring inside the limiting bracket.

[0019] Preferably, a support sliding rod is fixedly installed inside the vertical support frame, a support sliding sleeve is slidably connected to the outside of the support sliding rod, a support spring is fixedly installed on the bottom of the support sliding sleeve, a support rotating rod is rotatably connected to the outside of the support sliding sleeve, the support rotating rod is rotatably connected to the flexible steel plate, and a longitudinal bracket is fixedly installed at the top center position of the support base.

[0020] By adopting the above technical scheme and utilizing the characteristics of the sliding connection between the limiting slide groove and the limiting slider, the lifting and lowering movement of the limiting bracket can be realized. Through the limiting effect of the limiting bracket, the bending angle of the flexible steel plate can be limited to avoid the bending angle of the flexible steel plate being too large, thereby causing bending fatigue of the flexible steel plate. By utilizing the elastic force of the supporting spring inside the vertical supporting frame, the supporting rotating rod can be supported, thereby improving the supporting stability of the flexible steel plate. It can support the arc-shaped welded parts on the top of the tunnel and civil defense facilities, and can also support the flat welded parts, thereby improving the stability of welding.

[0021] Preferably, a longitudinal motor is fixedly installed on the end of the longitudinal bracket, a longitudinal threaded rod is fixedly connected to the output end of the longitudinal motor, a longitudinal threaded sleeve is threadedly connected to the outer side of the longitudinal threaded rod, an electric telescopic rod is fixedly installed on the top of the longitudinal threaded sleeve, a welding support plate is fixedly installed on the top of the electric telescopic rod, and a vertical support is fixedly installed on the top of the welding support plate.

[0022] By adopting the above technical solution, the longitudinal motor is started to drive the longitudinal threaded rod to rotate, so that the longitudinal threaded sleeve drives the electric telescopic rod and the welding support plate to move longitudinally, thereby achieving stable welding of the welded parts.

[0023] Preferably, a rotating shaft is symmetrically installed on both sides of the middle of the vertical support, a rotating bracket is symmetrically installed on the bottom of the vertical support near the rotating shaft, a rotating motor is fixedly installed on the outer side of the rotating bracket, the output end of the rotating motor is fixedly connected to a rotating worm, the top of the rotating worm is meshingly connected to a rotating worm wheel, the rotating worm wheel is fixedly installed on the outer side of the rotating shaft, the welding equipment is fixedly connected to the rotating shaft, and a connecting line is fixedly connected to the bottom of the welding equipment.

[0024] By adopting the above technical solution, when welding arc-shaped welded parts, the height of the welding equipment is adjusted by an electric telescopic rod, and the rotating motor is used to drive the rotating worm to rotate. The meshing connection characteristics between the rotating worm and the rotating worm wheel are used to make the welding equipment rotate vertically around the rotating axis, thereby welding the arc-shaped welded parts.

[0025] The top of the supporting cam is provided with a toothed wheel, and the toothed wheel is connected with the toothed wheel by the toothed wheel, and the toothed wheel is connected with the toothed wheel on the bottom of the supporting cam.

[0026] By adopting the above technical solution, the mobile base is moved by pushing the handle and the universal wheel, so that uninterrupted welding can be carried out. The winding roller is driven to rotate by the winding motor, so that the winding wire rope is wound on the winding roller, so that the rotation of the supporting base plate and the supporting frame can be realized. Before welding the welded parts, the flipping motor is started to drive the flipping driving gear to rotate, and the meshing connection between the flipping driving gear, the transmission chain and the flipping driven gear is utilized to realize the rotation of the flipping plate, so that the operator can move the flipping plate to the top of the supporting base to carry out auxiliary welding operations.

[0027] Preferably, a rotating connecting shaft is symmetrically installed on the top of the support frame, and a rotating support block is rotatably connected to the outer side of the rotating connecting shaft, and the rotating support block is fixedly installed on one side of the bottom of the support base, and a motor cover is fixedly installed on the bottom of the movable base, and a supporting motor is fixedly installed on the inner side of the motor cover, and the output end of the supporting motor is fixedly connected to a third sprocket transmission assembly, and a supporting threaded rod is symmetrically installed on the top of the third sprocket transmission assembly, and the top of the two supporting threaded rods are both rotatably connected to a supporting top plate, and a fixed supporting column is symmetrically installed on the bottom of the supporting top plate, and the outer side of the supporting threaded rod is threadedly connected to a supporting threaded bracket, and a lifting sliding rod is symmetrically installed on the top of the supporting threaded bracket, and the lifting sliding rod is fixedly installed on the bottom of the support base.

[0028] By adopting the above technical solution, the support frame can be rotated to a vertical direction by rotating the connecting shaft and the rotating support block and cooperating with the winding motor, thereby providing safety protection for the support base and preventing the operator from slipping and falling. By starting the support motor to drive the third sprocket drive assembly and the support threaded rod to rotate, the support threaded bracket drives the lifting sliding rod and the support base to lift and move, which is convenient for welding the top welding parts of tunnels and civil defense facilities at different heights.

[0029] Compared with the prior art, the beneficial effects of the present invention are as follows: the welding device and welding method for tunnel civil air defense facility construction can realize the bending of the bendable steel plate through the relative movement of two lifting brackets, which is convenient for supporting the arc-shaped welding parts on the top of the tunnel civil air defense facility. The limiting effect of the limiting bracket can limit the bending angle of the bendable steel plate to avoid the bending angle of the bendable steel plate being too large, thereby causing the bending fatigue of the bendable steel plate. By starting the support motor to drive the third sprocket transmission assembly and the support threaded rod to rotate, the support threaded bracket drives the lifting sliding rod and the support base to move up and down, which is convenient for welding the top welding parts of tunnels and civil air defense facilities at different heights. The specific contents are as follows:

[0030] 1. By setting up the welding support mechanism, not only can the fixing bolts be used to fix the sliding guardrail, thereby improving the safety of welding, but also the first adjusting motor drives the first sprocket transmission assembly and the first bidirectional threaded rod to rotate, so that the first adjusting threaded sleeve drives the second adjusting bracket to move relatively, so that the distance between the flexible steel plates can be adjusted, and the support position can be adjusted to improve the supporting effect of the flexible steel plates. At the same time, the second adjusting motor is started to drive the second bidirectional threaded rod and the second adjusting threaded sleeve to rotate, so that the two lifting brackets can move relatively, so as to realize the bending of the flexible steel plates, which is convenient for supporting the welded parts on the top of the arc-shaped tunnel civil air defense facilities. At the same time, the lifting motor is started to drive the lifting threaded rod to rotate, so that the lifting threaded sleeve drives the lifting support rod, the rotating support and the flexible steel plate to lift and move, so as to support planar welded parts of different heights. The limiting sliding rod and the limiting spring inside the limiting bracket can realize the relative movement of the vertical support frame, and the sliding between the limiting slide groove and the limiting slider is used. The characteristics of the connection can realize the lifting and lowering movement of the limit bracket. Through the limiting effect of the limit bracket, the bending angle of the bendable steel plate can be limited to avoid the bending angle of the bendable steel plate being too large, thereby causing the bending fatigue of the bendable steel plate. The elastic force of the support spring inside the vertical support frame can be used to support the support rotation rod, thereby improving the support stability of the bendable steel plate. It can support the arc-shaped welded parts on the top of the tunnel and civil air defense facilities, and can also support the flat welded parts to improve the stability of welding. By starting the longitudinal motor to drive the longitudinal threaded rod to rotate, the longitudinal threaded sleeve drives the electric telescopic rod and the welding support plate to move longitudinally, thereby realizing stable welding of the welded parts. At the same time, when welding the arc-shaped welded parts, the height of the welding equipment is adjusted by the electric telescopic rod, and the rotating motor is used to drive the rotating worm to rotate. The meshing connection characteristics between the rotating worm and the rotating worm wheel are used to make the welding equipment rotate vertically around the rotating axis, thereby welding the arc-shaped welded parts.

[0031] 2. By setting up the mobile protection mechanism, not only can the push handle and the universal wheel be used to move the mobile base, so as to carry out uninterrupted welding, but also the winding roller can be driven by the winding motor to rotate so that the winding wire rope is wound on the winding roller, so as to realize the rotation of the support base plate and the support frame. Before welding the welded parts, the flipping motor is started to drive the flipping active gear to rotate, and the meshing connection between the flipping active gear, the transmission chain and the flipping driven gear is utilized to realize the rotation of the flipping plate, so that the operator can move to the top of the support base through the flipping plate to carry out auxiliary welding operations, and the support frame can be rotated to a vertical direction by rotating the connecting shaft and the rotating support block in cooperation with the winding motor, so as to carry out safety protection of the support base and prevent the operator from slipping and falling. By starting the support motor to drive the third sprocket transmission assembly and the support threaded rod to rotate, the support threaded bracket drives the lifting sliding rod and the support base to move up and down, so as to facilitate the welding of the top welding parts of tunnels and civil air defense facilities at different heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0033] Figure 2 It is a schematic diagram of the three-dimensional structure of the welding support mechanism in the present invention;

[0034] Figure 3 It is a schematic diagram of the three-dimensional structure of the first bidirectional threaded rod and the first adjusting threaded sleeve in the present invention;

[0035] Figure 4 It is a schematic diagram of the three-dimensional structure of the cross section of the second adjustment bracket and the lifting bracket in the present invention;

[0036] Figure 5 It is a schematic diagram of the cross-sectional three-dimensional structure of the position limiting bracket and the vertical support frame in the present invention;

[0037] Figure 6 It is a schematic diagram of the three-dimensional structure of the longitudinal bracket section in the present invention;

[0038] Figure 7 It is a schematic diagram of the three-dimensional structure of the rotating worm gear in the present invention;

[0039] Figure 8 It is a schematic diagram of the three-dimensional structure of the mobile protection mechanism in the present invention;

[0040] Fig. 9 It is a schematic diagram of the three-dimensional structure of the flip plate in the present invention;

[0041] Fig.10 It is a schematic diagram of the three-dimensional structure of the winding roller in the present invention;

[0042] Fig.11 It is a schematic diagram of the three-dimensional structure of the lifting and sliding rod in the present invention.

[0043] In the figure: 1, welding support mechanism; 101, support base; 102, support baffle; 103, first support frame; 104, sliding guardrail; 105, fixing bolt; 106, first adjustment motor; 107, first sprocket transmission assembly; 108, first bidirectional threaded rod; 109, first adjustment thread sleeve; 110, second adjustment bracket; 111, second adjustment motor; 112, second bidirectional threaded rod; 113, second adjustment thread sleeve; 114, lifting bracket; 115, lifting motor; 116, lifting Threaded rod; 117, lifting threaded sleeve; 118, lifting support rod; 119, rotating support; 120, bendable steel plate; 121, limit slide; 122, limit slider; 123, limit bracket; 124, limit sliding rod; 125, limit spring; 126, limit sliding sleeve; 127, vertical support frame; 128, support sliding rod; 129, support sliding sleeve; 130, support spring; 131, support rotating rod; 132, longitudinal bracket; 133, longitudinal motor; 134, longitudinal threaded rod; 1 35. Longitudinal threaded sleeve; 136. Electric telescopic rod; 137. Welding support plate; 138. Vertical support; 139. Rotating bracket; 140. Rotating motor; 141. Rotating worm; 142. Rotating worm wheel; 143. Rotating shaft; 144. Welding equipment; 145. Connecting wire; 2. Mobile protection mechanism; 201. Mobile base; 202. Handle bracket; 203. Push handle; 204. Universal wheel; 205. Fixed support rod; 206. Winding bracket; 207. Winding motor; 208. Winding Roller; 209, winding wire rope; 210, supporting bottom plate; 211, supporting frame; 212, flipping motor; 213, flipping driving gear; 214, transmission chain; 215, flipping driven gear; 216, flipping plate; 217, rotating connecting shaft; 218, rotating support block; 219, motor cover; 220, supporting motor; 221, third sprocket transmission assembly; 222, supporting threaded rod; 223, supporting top plate; 224, fixing support column; 225, supporting threaded bracket; 226, lifting sliding rod. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] See also Figure 1-Figure 11The present invention provides a technical solution: a welding device and a welding method for tunnel civil air defense facility construction, comprising a welding support mechanism 1, and a welding device 144 installed inside the welding support mechanism 1, a mobile protection mechanism 2 is arranged at the bottom of the welding support mechanism 1, and a fixed support rod 205 is symmetrically arranged on one side of the top of the mobile protection mechanism 2, the welding support mechanism 1 comprises a support base 101, a support baffle 102 is fixedly installed on one side of the top of the support base 101, and a first support frame 103 is symmetrically installed on one side of the top of the support base 101 away from the support baffle 102, wherein The support base 101 is symmetrically slidably connected to a sliding guardrail 104 on the front and back sides. The sliding guardrail 104 is symmetrically threaded on both sides. The sliding guardrail 104 is fixedly connected to the support baffle 102 and the first support frame 103 through the fixing bolts 105. A first adjusting motor 106 is fixedly installed on one side of the support base 101. The output end of the first adjusting motor 106 is fixedly connected to a first sprocket transmission assembly 107. One side of the first sprocket transmission assembly 107 is symmetrically connected to a first bidirectional threaded rod 108. The two first The outer side of the bidirectional threaded rod 108 is symmetrically threadedly connected with a first adjusting threaded sleeve 109, a second adjusting bracket 110 is fixedly installed on the top of the first adjusting threaded sleeve 109 on one side, a second adjusting motor 111 is fixedly installed on the end of the second adjusting bracket 110, a second bidirectional threaded rod 112 is fixedly connected to the output end of the second adjusting motor 111, and a second adjusting threaded sleeve 113 is symmetrically threadedly connected to the outer side of the second bidirectional threaded rod 112, and the sliding guardrail 104 is fixed by a fixing bolt 105, thereby improving the safety of welding, and the first adjusting motor 106 is driven to drive the first adjusting motor 106 to drive the second adjusting motor 1 ... The first sprocket transmission assembly 107 and the first bidirectional threaded rod 108 are driven to rotate, so that the first adjusting threaded sleeve 109 drives the second adjusting bracket 110 to move relatively, thereby adjusting the distance between the flexible steel plates 120 and adjusting the support position to improve the supporting effect of the flexible steel plates 120. At the same time, the second adjusting motor 111 is started to drive the second bidirectional threaded rod 112 and the second adjusting threaded sleeve 113 to rotate, so that the two lifting brackets 114 move relatively, thereby realizing the bending of the flexible steel plate 120, thereby facilitating the support of the welded parts on the top of the arc-shaped tunnel civil air defense facilities.

[0046] A lifting bracket 114 is fixedly installed on the top of the second adjusting threaded sleeve 113, a lifting motor 115 is fixedly installed on the top of the lifting bracket 114, a lifting threaded rod 116 is fixedly connected to the output end of the lifting motor 115, the outer side of the lifting threaded rod 116 is threadedly connected to a lifting threaded sleeve 117, a lifting support rod 118 is fixedly installed on one side of the lifting threaded sleeve 117, a rotating support 119 is fixedly installed on the top of the lifting support rod 118, a flexible steel plate 120 is rotatably connected between the two rotating supports 119, and a limited sliding groove 121 is provided on one side of the top of the lifting bracket 114. The inner sliding connection of the groove 121 is a limited slider 122, and the outer sides of the two limited sliders 122 are slidably connected to the limited bracket 123. The inner side of the limited bracket 123 is fixedly installed with a limited sliding rod 124, and the middle part of the limited sliding rod 124 is fixedly installed with a limited spring 125. Both ends of the limited spring 125 are fixedly installed with a limited sliding sleeve 126. The top of the limited sliding sleeve 126 is rotatably connected with a vertical support frame 127. The inner side of the vertical support frame 127 is fixedly installed with a support sliding rod 128. The outer side of the support sliding rod 128 is slidably connected with a support sliding sleeve 129. The support sliding sleeve 126 is fixedly installed with a vertical support frame 127. A support spring 130 is fixedly installed at the bottom of 29, and a support rotating rod 131 is rotatably connected to the outer side of the support sliding sleeve 129. The lifting motor 115 is started to drive the lifting threaded rod 116 to rotate, so that the lifting threaded sleeve 117 drives the lifting support rod 118, the rotating support 119 and the flexible steel plate 120 to move up and down, and can support planar welded parts of different heights. The limiting sliding rod 124 and the limiting spring 125 inside the limiting bracket 123 can realize the relative movement of the vertical support frame 127. At the same time, the sliding connection between the limiting slide groove 121 and the limiting slider 122 is utilized. The limiting bracket 123 can be lifted and lowered. Through the limiting effect of the limiting bracket 123, the bending angle of the flexible steel plate 120 can be limited to avoid the bending angle of the flexible steel plate 120 being too large, thereby causing bending fatigue of the flexible steel plate 120. The elastic force of the supporting spring 130 inside the vertical supporting frame 127 can be used to support the supporting rotating rod 131, thereby improving the supporting stability of the flexible steel plate 120. It can support the arc-shaped welded parts on the top of the tunnel and civil defense facilities, and can also support the flat welded parts, thereby improving the stability of welding.

[0047] The support rotation rod 131 is rotatably connected to the bendable steel plate 120, a longitudinal bracket 132 is fixedly installed at the top center position of the support base 101, a longitudinal motor 133 is fixedly installed at the end of the longitudinal bracket 132, a longitudinal threaded rod 134 is fixedly connected to the output end of the longitudinal motor 133, the outer side of the longitudinal threaded rod 134 is threadedly connected to the longitudinal threaded sleeve 135, an electric telescopic rod 136 is fixedly installed on the top of the longitudinal threaded sleeve 135, a welded support plate 137 is fixedly installed on the top of the electric telescopic rod 136, a vertical support 138 is fixedly installed on the top of the welded support plate 137, a rotation shaft 143 is symmetrically installed on both sides of the middle of the vertical support 138, a rotation bracket 139 is symmetrically installed on the bottom of the vertical support 138 near the rotation shaft 143, a rotation motor 140 is fixedly installed on the outer side of the rotation bracket 139, and the output end of the rotation motor 140 is fixedly installed A rotating worm 141 is connected, and the top of the rotating worm 141 is meshedly connected with a rotating worm wheel 142. The rotating worm wheel 142 is fixedly installed on the outside of the rotating shaft 143. The welding device 144 is fixedly connected to the rotating shaft 143. The bottom of the welding device 144 is fixedly connected with a connecting line 145. By starting the longitudinal motor 133 to drive the longitudinal threaded rod 134 to rotate, the longitudinal threaded sleeve 135 drives the electric telescopic rod 136 and the welding support plate 137 to move longitudinally, thereby achieving stable welding of the welded parts. At the same time, when welding arc-shaped welded parts, the height of the welding device 144 is adjusted by the electric telescopic rod 136, and the rotating motor 140 is used to drive the rotating worm 141 to rotate. The meshing connection characteristics between the rotating worm 141 and the rotating worm wheel 142 are used to make the welding device 144 rotate vertically around the rotating shaft 143, thereby welding the arc-shaped welded parts.

[0048] The mobile protection mechanism 2 includes a mobile base 201, a handle bracket 202 is symmetrically installed on one side of the top of the mobile base 201, a pushing handle 203 is rotatably connected between the two handle brackets 202, universal wheels 204 are fixedly installed around the bottom of the mobile base 201, a fixed support rod 205 is fixedly installed on one side of the top of the support base 101, a winding bracket 206 is symmetrically installed on the top of the fixed support rod 205, a winding motor 207 is fixedly installed on the outer side of the winding bracket 206, a winding roller 208 is fixedly connected to the output end of the winding motor 207, a winding wire rope 209 is evenly wound around the outer side of the winding roller 208, and a supporting bottom plate 210 is fixedly connected to the end of the winding wire rope 209, a supporting frame 211 is fixedly installed on the top of the supporting bottom plate 210, a flipping motor 212 is fixedly installed on one side of the supporting frame 211, and a flipping active gear 213 is fixedly connected to the output end of the flipping motor 212. The outer side of the wheel 213 is meshedly connected with a transmission chain 214, and the inner side of the transmission chain 214 is meshedly connected with a plurality of flip driven gears 215. A flip plate 216 is fixedly installed on the outer sides of the flip driving gear 213 and the flip driven gear 215. The mobile base 201 is moved by pushing the handle 203 and the universal wheel 204, so that uninterrupted welding can be performed. The winding roller 208 is driven to rotate by the winding motor 207, so that the winding wire rope 209 is wound around the winding roller 208, so that the rotation of the support base plate 210 and the support frame 211 can be realized. Before welding the welded parts, the flip motor 212 is started to drive the flip driving gear 213 to rotate. The meshing connection between the flip driving gear 213, the transmission chain 214 and the flip driven gear 215 is utilized to realize the rotation of the flip plate 216, so that the operator can move to the top of the support base 101 through the flip plate 216 to perform welding auxiliary operations.

[0049] A rotating connecting shaft 217 is symmetrically installed on the top of the support frame 211, and a rotating support block 218 is rotatably connected to the outer side of the rotating connecting shaft 217. The rotating support block 218 is fixedly installed on one side of the bottom of the support base 101. A motor cover 219 is fixedly installed on the bottom of the mobile base 201, and a supporting motor 220 is fixedly installed on one side of the inner side of the motor cover 219. The output end of the supporting motor 220 is fixedly connected to a third sprocket transmission assembly 221. A supporting threaded rod 222 is symmetrically installed on the top of the third sprocket transmission assembly 221. The tops of the two supporting threaded rods 222 are both rotatably connected to a supporting top plate 223. A fixed supporting column 224 is symmetrically installed on the bottom of the supporting top plate 223. The outer side of the supporting threaded rod 222 is threadedly connected to a supporting threaded bracket 225. The top of the supporting threaded bracket 225 is symmetrically installed with a lifting sliding rod 22 6. The lifting sliding rod 226 is fixedly installed at the bottom of the support base 101. By rotating the connecting shaft 217 and the rotating support block 218 and cooperating with the winding motor 207, the support frame 211 can be rotated to a vertical direction, thereby providing safety protection for the support base 101 and preventing the operator from slipping and falling. By starting the support motor 220 to drive the third sprocket transmission assembly 221 and the support threaded rod 222 to rotate, the support threaded bracket 225 drives the lifting sliding rod 226 and the support base 101 to move up and down, which is convenient for welding the top welded parts of tunnels and civil defense facilities at different heights. The bendable steel plate 120 is made of cold-rolled steel plate, which is a steel material processed by rolling at room temperature. It has good elasticity and easy bending performance. Its surface is smooth and delicate, and it is suitable for structures, automobiles, home appliances, electrical equipment and other fields.

[0050] Working principle: Before using this kind of welding device and welding method for tunnel civil air defense facilities construction, it is necessary to first check the overall condition of the device to ensure that it can work normally. Figure 1 - Fig.11As shown, first, the push handle 203 and the universal wheel 204 are used to move the mobile base 201, so that uninterrupted welding can be carried out, and the winding roller 208 is driven to rotate by the winding motor 207, so that the winding wire rope 209 is wound on the winding roller 208, so that the rotation of the supporting bottom plate 210 and the supporting frame 211 can be realized. Before welding the welded parts, the flip motor 212 is started to drive the flip driving gear 213 to rotate, and the meshing connection between the flip driving gear 213, the transmission chain 214 and the flip driven gear 215 is used to realize the rotation of the flip plate 216, which is convenient for the operator to pass. The flip plate 216 is moved to the top of the support base 101 to perform auxiliary welding operations. The support frame 211 can be rotated to a vertical direction by rotating the connecting shaft 217 and the rotating support block 218 and cooperating with the winding motor 207, thereby performing safety protection for the support base 101 and preventing the operator from slipping and falling. By starting the support motor 220 to drive the third sprocket transmission assembly 221 and the support threaded rod 222 to rotate, the support threaded bracket 225 drives the lifting sliding rod 226 and the support base 101 to move up and down, which is convenient for welding the top welding parts of tunnels and civil defense facilities at different heights.

[0051] Secondly, the sliding guardrail 104 is fixed by the fixing bolt 105, so as to improve the safety of welding. The first adjusting motor 106 drives the first sprocket transmission assembly 107 and the first bidirectional threaded rod 108 to rotate, so that the first adjusting threaded sleeve 109 drives the second adjusting bracket 110 to move relatively, so as to adjust the distance between the bendable steel plates 120 and the support position, thereby improving the support effect of the bendable steel plates 120. At the same time, the second adjusting motor 111 is started to drive the second bidirectional threaded rod 112 and the second adjusting threaded sleeve 113 to rotate, so that the two lifting brackets 114 move relatively, so as to achieve the bendable steel plates 120. The bending of the bent steel plate 120 facilitates the support of the welded parts on the top of the arc-shaped tunnel civil defense facilities. At the same time, the lifting motor 115 is started to drive the lifting threaded rod 116 to rotate, so that the lifting threaded sleeve 117 drives the lifting support rod 118, the rotating support 119 and the flexible steel plate 120 to move up and down, and can support planar welded parts of different heights. The limiting sliding rod 124 and the limiting spring 125 inside the limiting bracket 123 can realize the relative movement of the vertical support frame 127. At the same time, the sliding connection between the limiting slide groove 121 and the limiting slider 122 can be used to realize the lifting and lowering movement of the limiting bracket 123.

[0052] Finally, through the limiting effect of the limiting bracket 123, the bending angle of the flexible steel plate 120 can be limited to avoid the bending angle of the flexible steel plate 120 being too large, thereby causing the bending fatigue of the flexible steel plate 120. By utilizing the elastic force of the supporting spring 130 inside the vertical supporting frame 127, the supporting rotating rod 131 can be supported, thereby improving the supporting stability of the flexible steel plate 120, and can support the arc-shaped welded parts on the top of the tunnel and civil air defense facilities, and can also support the flat welded parts, thereby improving the stability of welding. Start the longitudinal motor 133 to drive the longitudinal threaded rod 134 to rotate, so that the longitudinal threaded sleeve 135 drives the electric telescopic rod 136 and the welding support plate 137 to move longitudinally, thereby achieving stable welding of the weldment. At the same time, when welding arc-shaped weldments, the height of the welding equipment 144 is adjusted by the electric telescopic rod 136, and the rotating motor 140 is used to drive the rotating worm 141 to rotate. The meshing connection between the rotating worm 141 and the rotating worm wheel 142 is used to make the welding equipment 144 rotate vertically around the rotating shaft 143, thereby welding the arc-shaped weldment.

[0053] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding device for tunnel civil air defense facility construction, comprising a welding support mechanism (1), and a welding device (144) installed inside the welding support mechanism (1); A movable protection mechanism (2) is arranged at the bottom of the welding support mechanism (1), and a fixed support rod (205) is symmetrically arranged on one side of the top of the movable protection mechanism (2); It is characterized in that Also includes: The welding support mechanism (1) comprises a support base (101), a support baffle (102) being fixedly mounted on one side of the top of the support base (101), and a first support frame (103) being symmetrically mounted on one side of the top of the support base (101) away from the support baffle (102); The support base (101) is symmetrically slidably connected to a sliding guardrail (104) in the front and rear directions, and fixing bolts (105) are symmetrically threadedly connected to the two sides of the sliding guardrail (104), and the sliding guardrail (104) is respectively fixedly connected to the support baffle (102) and the first support frame (103) via the fixing bolts (105); A first adjusting motor (106) is fixedly mounted on one side of the interior of the support base (101); an output end of the first adjusting motor (106) is fixedly connected to a first sprocket transmission assembly (107); a first bidirectional threaded rod (108) is symmetrically connected to one side of the first sprocket transmission assembly (107); and first adjusting threaded sleeves (109) are symmetrically threadedly connected to the outer sides of the two first bidirectional threaded rods (108).

2. A welding device for tunnel civil air defense facility construction according to claim 1, characterized in that: A second adjusting bracket (110) is fixedly mounted on the top of the first adjusting threaded sleeve (109) on one side, a second adjusting motor (111) is fixedly mounted on the end of the second adjusting bracket (110), a second bidirectional threaded rod (112) is fixedly connected to the output end of the second adjusting motor (111), a second adjusting threaded sleeve (113) is symmetrically threadedly connected to the outer side of the second bidirectional threaded rod (112), and a lifting bracket (114) is fixedly mounted on the top of the second adjusting threaded sleeve (113).

3. A welding device for tunnel civil air defense facility construction according to claim 2, characterized in that: A lifting motor (115) is fixedly mounted on the top of the lifting bracket (114); a lifting threaded rod (116) is fixedly connected to the output end of the lifting motor (115); a lifting threaded sleeve (117) is threadedly connected to the outer side of the lifting threaded rod (116); a lifting support rod (118) is fixedly mounted on one side of the lifting threaded sleeve (117); a rotating support (119) is fixedly mounted on the top of the lifting support rod (118); and a bendable steel plate (120) is rotatably connected between the two rotating supports (119).

4. A welding device for tunnel civil air defense facility construction according to claim 3, characterized in that: A limiting slide groove (121) is provided on one side of the top of the lifting bracket (114); the limiting slide groove (121) is internally slidably connected to a limiting slider (122); the outer sides of the two limiting sliders (122) are slidably connected to a limiting bracket (123); a limiting sliding rod (124) is fixedly installed inside the limiting bracket (123); a limiting spring (125) is fixedly installed in the middle of the limiting sliding rod (124); both ends of the limiting spring (125) are fixedly installed with limiting sliding sleeves (126); and the top of the limiting sliding sleeve (126) is rotatably connected to a vertical support frame (127).

5. A welding device for tunnel civil air defense facility construction according to claim 4, characterized in that: A support sliding rod (128) is fixedly installed inside the vertical support frame (127), a support sliding sleeve (129) is slidably connected to the outside of the support sliding rod (128), a support spring (130) is fixedly installed at the bottom of the support sliding sleeve (129), a support rotating rod (131) is rotatably connected to the outside of the support sliding sleeve (129), the support rotating rod (131) is rotatably connected to the bendable steel plate (120), and a longitudinal bracket (132) is fixedly installed at the top center of the support base (101).

6. A welding device for tunnel civil air defense facility construction according to claim 5, characterized in that: A longitudinal motor (133) is fixedly mounted on the end of the longitudinal bracket (132); a longitudinal threaded rod (134) is fixedly connected to the output end of the longitudinal motor (133); a longitudinal threaded sleeve (135) is threadedly connected to the outer side of the longitudinal threaded rod (134); an electric telescopic rod (136) is fixedly mounted on the top of the longitudinal threaded sleeve (135); a welding support plate (137) is fixedly mounted on the top of the electric telescopic rod (136); and a vertical support (138) is fixedly mounted on the top of the welding support plate (137).

7. A welding device for tunnel civil air defense facility construction according to claim 6, characterized in that: A rotating shaft (143) is symmetrically mounted on both sides of the middle of the vertical support (138); a rotating bracket (139) is symmetrically mounted on the bottom of the vertical support (138) near the rotating shaft (143); a rotating motor (140) is fixedly mounted on the outer side of the rotating bracket (139); a rotating worm (141) is fixedly connected to the output end of the rotating motor (140); a rotating worm gear (142) is meshingly connected to the top of the rotating worm gear (141); the rotating worm gear (142) is fixedly mounted on the outer side of the rotating shaft (143); the welding device (144) is fixedly connected to the rotating shaft (143); and a connecting line (145) is fixedly connected to the bottom of the welding device (144).

8. A welding device for tunnel civil air defense facility construction according to claim 7, characterized in that: The mobile protection mechanism (2) comprises a mobile base (201), a handle bracket (202) is symmetrically mounted on one side of the top of the mobile base (201), a push handle (203) is rotatably connected between the two handle brackets (202), universal wheels (204) are fixedly mounted around the bottom of the mobile base (201), the fixed support rod (205) is fixedly mounted on one side of the top of the support base (101), a winding bracket (206) is symmetrically mounted on the top of the fixed support rod (205), a winding motor (207) is fixedly mounted on the outer side of the winding bracket (206), a winding roller (208) is fixedly connected to the output end of the winding motor (207), and the winding roller (208) is A winding steel wire rope (209) is evenly wound on the outside, the end of the winding steel wire rope (209) is fixedly connected to a support base plate (210), the top of the support base plate (210) is fixedly mounted with a support frame (211), a flip motor (212) is fixedly mounted on one side of the support frame (211), the output end of the flip motor (212) is fixedly connected to a flip driving gear (213), the outside of the flip driving gear (213) is meshedly connected to a transmission chain (214), the inside of the transmission chain (214) is meshedly connected to a plurality of flip driven gears (215), and a flip plate (216) is fixedly mounted on the outside of both the flip driving gear (213) and the flip driven gear (215).

9. A welding device for tunnel civil air defense facility construction according to claim 8, characterized in that: A rotating connecting shaft (217) is symmetrically mounted on the top of the supporting frame (211); a rotating supporting block (218) is rotatably connected to the outer side of the rotating connecting shaft (217); the rotating supporting block (218) is fixedly mounted on one side of the bottom of the supporting base (101); a motor cover (219) is fixedly mounted on the bottom of the moving base (201); a supporting motor (220) is fixedly mounted on one side of the inner side of the motor cover (219); an output end of the supporting motor (220) is fixedly connected to a third sprocket transmission assembly (221); A supporting threaded rod (222) is symmetrically mounted on the top of the three-sprocket transmission assembly (221); the tops of the two supporting threaded rods (222) are both rotatably connected to a supporting top plate (223); a fixed supporting column (224) is symmetrically mounted on the bottom of the supporting top plate (223); the outer sides of the supporting threaded rods (222) are threadedly connected to a supporting threaded bracket (225); a lifting sliding rod (226) is symmetrically mounted on the top of the supporting threaded bracket (225); and the lifting sliding rod (226) is fixedly mounted on the bottom of the supporting base (101).

10. A welding method for a welding device for tunnel civil air defense facility construction, using the welding device for tunnel civil air defense facility construction as claimed in claim 9, the welding method steps are as follows: Step 1: Use the push handle (203) and the universal wheel (204) to move the movable base (201), so that uninterrupted welding can be carried out. The winding roller (208) is driven to rotate by the winding motor (207), so that the winding wire rope (209) is wound on the winding roller (208), so that the support bottom plate (210) and the support frame (211) can be rotated. Before welding the welded parts, start the flip motor (212) to drive the flip driving gear (213) to rotate. Use the meshing connection between the flip driving gear (213), the transmission chain (214) and the flip driven gear (215) to realize the rotation of the flip plate (216), which is convenient for operators. The flip plate (216) is moved to the top of the support base (101) to perform auxiliary welding operations. The support frame (211) can be rotated to a vertical direction by rotating the connecting shaft (217) and the rotating support block (218) in cooperation with the winding motor (207), thereby providing safety protection for the support base (101) and preventing the operator from slipping and falling. The support motor (220) is started to drive the third sprocket drive assembly (221) and the support threaded rod (222) to rotate, so that the support threaded bracket (225) drives the lifting sliding rod (226) and the support base (101) to move up and down, thereby facilitating the welding of top welding parts of tunnels and civil air defense facilities at different heights. Step 2: The sliding guardrail (104) is fixed by fixing bolts (105) to improve the safety of welding. The first adjusting motor (106) drives the first sprocket transmission assembly (107) and the first bidirectional threaded rod (108) to rotate, so that the first adjusting threaded sleeve (109) drives the second adjusting bracket (110) to move relatively, so that the distance between the bendable steel plates (120) can be adjusted, and the support position can be adjusted to improve the support effect of the bendable steel plates (120). At the same time, the second adjusting motor (111) is started to drive the second bidirectional threaded rod (112) and the second adjusting threaded sleeve (113) to rotate, so that the two lifting brackets (114) move relatively, so that the bendable steel plates (120) can be achieved. The bending of the curved steel plate (120) facilitates the support of the welded parts on the top of the arc-shaped tunnel civil air defense facility. At the same time, the lifting motor (115) is started to drive the lifting threaded rod (116) to rotate, so that the lifting threaded sleeve (117) drives the lifting support rod (118), the rotating support (119) and the bendable steel plate (120) to move up and down, thereby supporting planar welded parts of different heights. The limiting sliding rod (124) and the limiting spring (125) inside the limiting bracket (123) can realize the relative movement of the vertical support frame (127). At the same time, the sliding connection between the limiting slide groove (121) and the limiting slider (122) can be utilized to realize the lifting and lowering movement of the limiting bracket (123); Step 3: Through the limiting effect of the limiting bracket (123), the bending angle of the bendable steel plate (120) can be limited to avoid the bending angle of the bendable steel plate (120) being too large, thereby causing the bending fatigue of the bendable steel plate (120). The elastic force of the supporting spring (130) inside the vertical support frame (127) can be used to support the supporting rotation rod (131), thereby improving the support stability of the bendable steel plate (120). It can support the arc-shaped welded parts on the top of the tunnel and the civil air defense facilities, and can also support the flat welded parts, thereby improving the stability of the welding. By starting the longitudinal The motor (133) drives the longitudinal threaded rod (134) to rotate, so that the longitudinal threaded sleeve (135) drives the electric telescopic rod (136) and the welding support plate (137) to move longitudinally, thereby achieving stable welding of the welded parts. At the same time, when welding arc-shaped welded parts, the height of the welding device (144) is adjusted by the electric telescopic rod (136), and the rotating motor (140) drives the rotating worm (141) to rotate. The meshing connection between the rotating worm (141) and the rotating worm wheel (142) is used to make the welding device (144) rotate vertically around the rotating shaft (143), thereby welding the arc-shaped welded parts.

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