阅读说明：本技术 一种用于管道铺设的铺设小车 (Laying trolley for pipeline laying ) 是由 虞春英 于 2021-01-19 设计创作，主要内容包括：本发明公开了一种用于管道铺设的铺设小车,包括机身,所述车身下侧固设有下侧车身,所述下侧车身下侧设有前后对称的四个用于驱动所述车身进行移动的车轮,所述车身前侧壁体内设有用于管道抓取和铺设的管道铺设装置；本发明设有机械爪,能够对管道进行抓取,且能够通过转动轮使管道焊接时也能进行辅助转动；本发明设有驱动装置,能够驱动机械爪进行移动对管道进行抓取,从而带动提高了管道铺设效率；本发明设有拼接装置,能够通过复位扭簧二驱动液压箱移动,从而带动机械爪移动,从而实现管道的拼接；本发明设有焊接装置,能够通过电动驱动块驱动拼接的管道转动,且能够通过点焊头对管道焊接,从而使管道实现无缝焊接。(The invention discloses a laying trolley for pipeline laying, which comprises a trolley body, wherein a lower side trolley body is fixedly arranged on the lower side of the trolley body, four wheels which are symmetrical in front and back and used for driving the trolley body to move are arranged on the lower side of the lower side trolley body, and a pipeline laying device for pipeline grabbing and laying is arranged in the front side wall body of the trolley body; the pipeline welding machine is provided with the mechanical claw, so that a pipeline can be grabbed, and the pipeline can be rotated in an auxiliary manner when being welded through the rotating wheel; the pipeline grabbing device is provided with the driving device, so that the mechanical claw can be driven to move to grab a pipeline, and the pipeline paving efficiency is improved; the pipeline splicing device is provided with the splicing device, and the hydraulic box can be driven to move through the second reset torsion spring, so that the mechanical claw is driven to move, and the pipeline splicing is realized; the welding device is arranged, the spliced pipelines can be driven to rotate by the electric driving block, and the pipelines can be welded by the spot welding heads, so that the seamless welding of the pipelines is realized.)

1. A lay trolley for pipelaying, comprising a body, characterized in that: the pipeline laying device comprises a transmission cavity arranged in the vehicle body, symmetrical mechanical claw cavities are arranged in the front side wall body on the left side and the right side of the transmission cavity, a slide guiding box is fixedly arranged in the upper side wall body of the mechanical claw cavity, a first slide cavity is arranged in the lower side wall body of the slide guiding box, a hydraulic box is arranged in the first slide cavity in a sliding mode, a mechanical claw for pipeline gripping is arranged on the lower side of the hydraulic box, a driving device for driving the hydraulic box to move back and forth is arranged on the rear side of the slide guiding box, the driving device comprises a motor fixedly arranged in the right side wall body of the transmission cavity, and a first rotating shaft rotatably arranged on a power output shaft of the motor and the left side wall body of the transmission cavity is fixedly arranged on the power output shaft of the motor, the utility model discloses a pipeline grabbing device, including pivot one, half gear two, hydraulic pressure case, transmission chamber one side is equipped with and is used for carrying out the splicing device that splices to the pipeline, transmission chamber downside is equipped with and is used for carrying out welded welding set to the concatenation pipeline, the first half gear that has set firmly of pivot, half gear one right side the pivot is gone up and is set firmly half gear two, the hydraulic pressure case is close to be equipped with on one side and is used for carrying.

2. A laying trolley for pipeline laying according to claim 1 wherein: a second sliding cavity is arranged in the mechanical claw, a hydraulic cylinder is fixedly arranged in the wall body at the lower side of the second sliding cavity, a first sliding block is arranged at the upper side of the hydraulic cylinder, a third sliding cavity is symmetrically arranged in the left side wall body and the right side wall body of the mechanical claw, the third sliding cavity is communicated with the second sliding cavity, a sliding rod fixedly mounted with the sliding block I is arranged between the third sliding cavity, symmetrical fixed blocks are arranged in the wall body on the right side of the mechanical claw in front of and behind the third sliding cavity, a second rotating shaft is fixedly arranged on the fixed block, a rotating rod is rotatably arranged on the second rotating shaft, a waist hole which is communicated with the left and the right is arranged on the rotating rod, the waist hole is matched with the slide bar in a sliding way, a mechanical arm is fixedly arranged at the lower side of the rotating rod, a clamping block is fixedly arranged at one side of the mechanical arm close to the slide bar, the clamping block is close to a rotating wheel cavity in an arc shape in a wall body on one side of the sliding rod, and rotating wheels are rotatably arranged on the left side wall body and the right side wall body in the rotating wheel cavity.

3. A laying trolley for pipeline laying according to claim 1 wherein: the driving device comprises a gear cavity which is arranged at the rear side of a sliding cavity and is engaged with the vehicle body, a grooved wheel cavity is arranged in the vehicle body between the gear cavity and the transmission cavity, a third rotating shaft is arranged between the grooved wheel cavity and the gear cavity in a rotating manner, a fourth rotating shaft is arranged between the grooved wheel cavities at the left side and the right side of the transmission cavity in a rotating manner, a first gear is fixedly arranged on the fourth rotating shaft in the transmission cavity, a first grooved wheel is fixedly arranged on the fourth rotating shaft in the grooved wheel cavity, a first reset torsion spring is rotatably arranged in the right side of the grooved wheel cavity, the first reset torsion spring and the third rotating shaft are fixedly installed, a second grooved wheel is fixedly arranged on the third rotating shaft in the grooved wheel cavity, the first grooved wheel rotates to drive the second grooved wheel to rotate at ninety degrees, a fifth rotating shaft is arranged on the front wall body and the rear wall body of the gear cavity, a transmission belt is fixedly arranged on, the hydraulic oil cylinder is characterized in that a first belt wheel is fixedly arranged on the threaded rotating shaft in the gear cavity, a driving belt is fixedly arranged on a fifth rotating shaft in the gear cavity, a second belt wheel is arranged between the driving belt and the first belt wheel, a first bevel gear is fixedly arranged on the fifth rotating shaft at the rear side of the driving belt, the first bevel gear is meshed with a second bevel gear fixedly arranged on a third rotating shaft, a moving block is arranged in the first sliding cavity in a sliding mode, the hydraulic tank capable of sliding transversely is arranged on the lower side of the moving block, the hydraulic tank can reset through an internally arranged spring after relative sliding, and the moving block is in threaded connection with the threaded rotating shaft.

4. A laying trolley for pipeline laying according to claim 1 wherein: splicing apparatus including set up in gear chamber downside the internal spout of gripper chamber rear side wall, it is equipped with slider two to slide in the spout, the sheave chamber with it is equipped with the drive pivot to rotate between the spout, in the spout the drive pivot with two threaded connection of slider, in the sheave intracavity the drive pivot is last to have set firmly sheave three, in the sheave chamber the drive pivot rear side is equipped with the reset torsion spring two that can hold power, sheave one rotates and can drives sheave three carries out ninety degrees rotations, hydraulic tank rear side wall is internal to be equipped with smooth chamber one, two front sides of slider set firmly with sliding chamber one front and back slidable mounting's supplementary slider, supplementary slider with during the hydraulic tank slidable mounting, slider two remove and can drive the hydraulic tank and remove.

5. A laying trolley for pipeline laying according to claim 1 wherein: the welding device comprises an electric driving block arranged on the lower side of the transmission cavity, a sliding cavity IV is arranged in the lower side wall body of the vehicle body on the rear side of the electric driving block, a rotating shaft VI is rotatably arranged between the sliding cavity IV and the electric driving block, a torque arranged in the rear side wall body of the sliding cavity IV and the rear side of the rotating shaft VI are fixedly installed and can drive the rotating shaft VI to reset, a rotating shaft VII is rotatably arranged between the transmission cavity and the electric driving block, a rotating shaft VIII is rotatably arranged on the left side wall body and the right side wall body of the transmission cavity on the lower side of the rotating shaft I, a gear II capable of being meshed and connected with the gear II is fixedly arranged on the rotating shaft VIII on the right side of the gear II, a worm is fixedly arranged on the rotating shaft VIII on the right side of the gear II, a turbine is fixedly arranged on the rotating shaft VII in the transmission cavity and is meshed and, the utility model discloses a welding device, including electric drive piece, connecting rod, welding case, arc driving chamber, pipeline, electric drive piece, the electric drive piece is interior the pivot six last bevel gear four that have set firmly with bevel gear three meshing connection, it is equipped with slider three to slide in the sliding chamber four, slider three with six threaded engagement connection of pivot, the three downside of slider has set firmly the connecting rod, the connecting rod downside has set firmly the welding case, the internal curved arc driving chamber that is equipped with of welding case front side wall, the internal pipeline that has set firmly in the arc driving chamber that can remove through electric control of arc driving chamber rotates electric drive piece, be equipped with between the electric drive piece and carry out the welding spot welding head.

Technical Field

The invention relates to the technical field of pipeline correlation, in particular to a laying trolley for laying a pipeline.

Background

A pipeline is a device for conveying gas, liquid or fluid with solid particles, which is formed by connecting pipes, pipe connectors, valves and the like; the pipeline has wide application range, and is mainly used for water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas transmission, agricultural irrigation, hydraulic engineering and various industrial devices; the pipeline generally needs to drive a section of pipeline through machinery when laying and puts into the underground of digging the completion, then connects between the pipeline, generally can not weld the pipeline when putting into to make the work load greatly increased of pipeline, so need design a kind of dolly of laying that is used for pipe laying.

Disclosure of Invention

The object of the present invention is to provide a laying trolley for pipeline laying that overcomes the above-mentioned drawbacks of the prior art.

The laying trolley for pipeline laying comprises a trolley body, wherein a lower side trolley body is fixedly arranged on the lower side of the trolley body, four wheels which are symmetrical front and back and are used for driving the trolley body to move are arranged on the lower side of the lower side trolley body, a pipeline laying device for pipeline grabbing and laying is arranged in the front side wall body of the trolley body, the pipeline laying device comprises a transmission cavity arranged in the trolley body, symmetrical mechanical claw cavities are arranged in the front side wall body of the trolley body on the left side and the right side of the transmission cavity, a slide guiding box is fixedly arranged in the upper side wall body of the mechanical claw cavity, a first slide cavity is arranged in the lower side wall body of the slide guiding box, a hydraulic box is arranged in the slide cavity in a sliding mode, a mechanical claw for pipeline grabbing is arranged on the lower side of the hydraulic box, a driving device for driving the hydraulic box to move back and forth is arranged on the rear side of the slide guiding, the last motor power output shaft set firmly with the pivot one of transmission chamber left side wall body rotation installation, half gear one has set firmly in the pivot one, half gear one right side half gear two has set firmly in the pivot one, the hydraulic pressure case is close to be equipped with the splicing apparatus who is used for carrying out the concatenation to snatching the pipeline on one side of the transmission chamber, transmission chamber downside is equipped with and is used for carrying out welded welding set to the concatenation pipeline.

On the basis of the technical scheme, a sliding cavity II is arranged in the gripper, a hydraulic cylinder is fixedly arranged in a side wall body below the sliding cavity II, a sliding block I is arranged on the upper side of the hydraulic cylinder, a symmetrical sliding cavity III is arranged in a left side wall body and a right side wall body of the gripper, the sliding cavity III is communicated with the sliding cavity II, a sliding rod fixedly mounted with the sliding block I is arranged between the sliding cavity III in a sliding manner, symmetrical fixed blocks are arranged in a right side wall body of the gripper around the sliding cavity III, a rotating shaft II is fixedly arranged on the fixed blocks, a rotating rod is rotatably arranged on the rotating shaft II, a waist hole which is communicated from left to right is arranged on the rotating rod, the waist hole is in sliding fit with the sliding rod, a mechanical arm is fixedly arranged on the lower side of the rotating rod, a clamping block is fixedly arranged on one side of the sliding rod close to, the left side wall body and the right side wall body in the rotating wheel cavity are rotatably provided with rotating wheels.

On the basis of the technical scheme, the driving device comprises a gear cavity which is arranged at the rear side of a sliding cavity and is engaged with the vehicle body, a grooved wheel cavity is arranged in the vehicle body between the gear cavity and the transmission cavity, a third rotating shaft is arranged between the grooved wheel cavity and the gear cavity in a rotating manner, a fourth rotating shaft is arranged between the grooved wheel cavities at the left side and the right side of the transmission cavity in a rotating manner, a first gear is fixedly arranged on the fourth rotating shaft in the transmission cavity, a first grooved wheel is fixedly arranged on the fourth rotating shaft in the grooved wheel cavity, a first reset torsion spring is rotatably arranged in the right side of the grooved wheel cavity, the first reset torsion spring and the third rotating shaft are fixedly arranged, a second grooved wheel is fixedly arranged on the third rotating shaft in the grooved wheel cavity, the first grooved wheel can drive the second grooved wheel to rotate for ninety degrees, a fifth rotating shaft is rotatably arranged on the front wall body and the, the hydraulic oil cylinder is characterized in that a threaded rotating shaft is arranged between the gear cavity and the first sliding cavity in a rotating mode, a first belt wheel is fixedly arranged on the threaded rotating shaft in the gear cavity, a transmission belt is fixedly arranged on a fifth rotating shaft in the gear cavity, a second belt wheel is arranged between the transmission belt and the first belt wheel, a first bevel gear is fixedly arranged on the fifth rotating shaft on the rear side of the transmission belt, the first bevel gear is meshed with a second bevel gear fixedly arranged on a third rotating shaft in a connecting mode, a moving block is arranged in the first sliding cavity in a sliding mode, the hydraulic oil cylinder capable of sliding transversely is arranged on the lower side of the moving block, the hydraulic oil cylinder can reset through an internally-arranged spring after relative sliding, and the moving block.

On the basis of the technical scheme, the splicing device comprises a sliding groove arranged in the rear side wall body of the mechanical claw cavity at the lower side of the gear cavity, a second sliding block is arranged in the sliding groove in a sliding manner, a driving rotating shaft is arranged between the sheave cavity and the sliding groove in a rotating manner, the driving rotating shaft in the chute is in threaded connection with the second sliding block, a third grooved wheel is fixedly arranged on the driving rotating shaft in the grooved wheel cavity, a second reset torsion spring capable of accumulating force is arranged at the rear side of the driving rotating shaft in the grooved pulley cavity, the first grooved pulley can drive the third grooved pulley to rotate for ninety degrees, a first sliding cavity is arranged in the rear side wall body of the hydraulic tank, an auxiliary sliding block which is arranged in a front-and-back sliding manner with the first sliding cavity is fixedly arranged on the front side of the second sliding block, when the auxiliary sliding block and the hydraulic box are installed in a sliding mode, the second sliding block moves to drive the hydraulic box to move.

On the basis of the technical scheme, the welding device comprises an electric driving block arranged on the lower side of a transmission cavity, a sliding cavity IV is arranged in a wall body on the lower side of the vehicle body on the rear side of the electric driving block, a rotating shaft VI is rotatably arranged between the sliding cavity IV and the electric driving block, a torque arranged in the wall body on the rear side of the sliding cavity IV and the rear side of the rotating shaft VI are fixedly installed and can drive the rotating shaft VI to reset, a rotating shaft VII is rotatably arranged between the transmission cavity and the electric driving block, a rotating shaft VIII is rotatably arranged on the left side wall body and the right side wall body of the transmission cavity on the lower side of a rotating shaft I, a gear II capable of being meshed and connected with the gear II is fixedly arranged on the rotating shaft VIII on the right side of the gear II, a worm is fixedly arranged on the rotating shaft VII on the transmission cavity, a turbine is fixedly arranged on the rotating shaft VII on the transmission cavity and meshed and, the utility model discloses a welding device, including electric drive piece, connecting rod, welding case, arc driving chamber, pipeline, electric drive piece, the electric drive piece is interior the pivot six last bevel gear four that have set firmly with bevel gear three meshing connection, it is equipped with slider three to slide in the sliding chamber four, slider three with six threaded engagement connection of pivot, the three downside of slider has set firmly the connecting rod, the connecting rod downside has set firmly the welding case, the internal curved arc driving chamber that is equipped with of welding case front side wall, the internal pipeline that has set firmly in the arc driving chamber that can remove through electric control of arc driving chamber rotates electric drive piece, be equipped with between the electric drive piece and carry out the welding spot welding head.

The invention has the beneficial effects that: the pipeline welding machine is provided with the mechanical claw, so that a pipeline can be grabbed, and the auxiliary rotation can be carried out during pipeline welding through the rotating wheel, so that the pipeline welding is more convenient and faster;

the pipeline grabbing device is provided with the driving device, so that the mechanical claw can be driven to move to grab a pipeline, and the pipeline paving efficiency is improved;

the splicing device is arranged, the hydraulic box can be driven to move through the second reset torsion spring, so that the mechanical claw is driven to move, the pipeline splicing is realized, the pipeline splicing can be replaced by manual operation, and the pipeline connection is more convenient;

the welding device is arranged, the spliced pipelines can be driven to rotate by the electric driving block, and the pipelines can be welded by the spot welding heads, so that the seamless welding of the pipelines is realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of the overall construction of a laying trolley for pipeline laying;

FIG. 2 is a cross-sectional view taken at "A-A" of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view taken at "B-B" of FIG. 1 in accordance with the present invention;

FIG. 4 is a cross-sectional view taken at "C-C" of FIG. 1 in accordance with the present invention;

FIG. 5 is a cross-sectional view taken at "D-D" of FIG. 1 in accordance with the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1 to 5, a laying trolley for pipeline laying according to an embodiment of the present invention includes a trolley body 10, a lower trolley body 43 is fixedly disposed on a lower side of the trolley body 10, four wheels 69 for driving the trolley body 10 to move are disposed on a lower side of the lower trolley body 43, a pipeline laying device 901 for pipeline gripping and laying is disposed in a front side wall of the trolley body 10, the pipeline laying device 901 includes a transmission cavity 25 disposed in the trolley body 10, symmetrical gripper cavities 33 are disposed in the front side wall of the trolley body 10 on left and right sides of the transmission cavity 25, a slide guiding box 30 is fixedly disposed in an upper side wall of the gripper cavity 33, a first slide cavity 66 is disposed in a lower side wall of the slide guiding box 30, a hydraulic tank 32 is slidably disposed in the first slide cavity 66, a gripper 902 for pipeline gripping is disposed on a lower side of the hydraulic tank 32, a driving device 903 for driving the hydraulic tank 32 to move back and forth is disposed on a rear side of the slide guiding box 30, drive arrangement 903 including fixed set up in the internal motor 29 of transmission chamber 25 right side wall, set firmly on the motor 29 power output shaft with transmission chamber 25 left side wall body rotates a pivot 28 of installation, a half gear 26 has set firmly on a pivot 28, a half gear 26 right side set firmly half gear two 27 on a pivot 28, hydraulic pressure case 32 is close to transmission chamber 25 one side is equipped with and is used for carrying out the splicing apparatus 904 that splices to snatching the pipeline, transmission chamber 25 downside is equipped with and is used for carrying out welded welding set 905 to the concatenation pipeline.

In addition, in one embodiment, a second sliding cavity 38 is arranged in the gripper 902, a hydraulic cylinder 42 is fixedly arranged in a lower side wall body of the second sliding cavity 38, a first sliding block 41 is arranged on the upper side of the hydraulic cylinder 42, symmetrical third sliding cavities 39 are arranged in left and right side wall bodies of the gripper 902, the third sliding cavities 39 are communicated with the second sliding cavity 38, a sliding rod 40 fixedly mounted with the first sliding block 41 is arranged between the third sliding cavities 39 in a sliding manner, symmetrical fixed blocks 56 are arranged in right side wall bodies of the gripper 902 in front of and behind the third sliding cavities 39, a second rotating shaft 55 is fixedly arranged on the fixed blocks 56, a rotating rod 37 is rotatably arranged on the second rotating shaft 55, a left and right through waist hole 58 is arranged on the rotating rod 37, the waist hole 58 is in sliding fit with the sliding rod 40, a mechanical arm 57 is fixedly arranged on the lower side of the rotating rod 37, a clamping block 54 is fixedly arranged, the clamping block 54 is provided with a circular arc-shaped rotating wheel cavity 52 in a wall body close to one side of the sliding rod 40, and rotating wheels 53 are rotatably arranged on the left and right wall bodies in the rotating wheel cavity 52.

In addition, in one embodiment, the driving device 903 includes a gear cavity 11 disposed at the rear side of the first sliding cavity 66 and engaged with the vehicle body 10, a grooved wheel cavity 35 is disposed in the vehicle body 10 between the gear cavity 11 and the transmission cavity 25, a third rotating shaft 20 is rotatably disposed between the grooved wheel cavity 35 and the gear cavity 11, a fourth rotating shaft 24 is rotatably disposed between the grooved wheel cavities 35 at the left and right sides of the transmission cavity 25, a first gear 23 is fixedly disposed on the fourth rotating shaft 24 in the transmission cavity 25, a first sheave 18 is fixedly disposed on the fourth rotating shaft 24 in the grooved wheel cavity 35, a first reset torsion spring 21 is rotatably disposed at the right side of the grooved wheel cavity 35, the first reset torsion spring 21 and the third rotating shaft 20 are fixedly mounted, a second sheave 19 is fixedly disposed on the third rotating shaft 20 in the grooved wheel cavity 35, and the first sheave 18 rotates to drive the second sheave 19 to rotate by ninety degrees, a rotating shaft five 15 is rotatably arranged on the front wall body and the rear wall body of the gear cavity 11, a driving belt 13 is fixedly arranged on the rotating shaft five 15, a threaded rotating shaft 31 is rotatably arranged between the gear cavity 11 and the first sliding cavity 66, a first belt wheel 65 is fixedly arranged on the threaded rotating shaft 31 in the gear cavity 11, a driving belt 13 is fixedly arranged on the rotating shaft five 15 in the gear cavity 11, a belt wheel two 14 is arranged between the driving belt 13 and the belt wheel one 65, a first bevel gear 12 is fixedly arranged on the rotating shaft five 15 at the rear side of the transmission belt 13, the first bevel gear 12 is meshed and connected with a second bevel gear 16 fixedly arranged on the rotating shaft three 20, a moving block 72 is arranged in the first sliding cavity 66 in a sliding mode, the hydraulic tank 32 capable of sliding transversely is arranged on the lower side of the moving block 72, and the 32 and the 72 can be reset by an internal spring after relatively sliding, and the moving block 72 is in threaded connection with the threaded rotating shaft 31.

In addition, in one embodiment, the splicing device 904 includes a sliding groove 70 disposed in the rear side wall of the gripper cavity 33 at the lower side of the gear cavity 11, a second sliding block 68 is slidably disposed in the sliding groove 70, a driving rotating shaft 34 is rotatably disposed between the sheave cavity 35 and the sliding groove 70, the driving rotating shaft 34 in the sliding groove 70 is in threaded connection with the second sliding block 68, a third sheave 17 is fixedly disposed on the driving rotating shaft 34 in the sheave cavity 35, a second restoring torsion spring 72 capable of accumulating force is disposed at the rear side of the driving rotating shaft 34 in the sheave cavity 35, the first sheave 18 rotates to drive the third sheave 17 to rotate ninety degrees, a first sliding cavity 66 is disposed in the rear side wall of the hydraulic tank 32, an auxiliary sliding block 67 slidably mounted with the first sliding cavity 66 forward and backward is fixedly disposed at the front side of the second sliding block 68, and when the auxiliary sliding block 67 is slidably mounted with the hydraulic tank 32, the second slide block 68 can move to drive the hydraulic tank 32 to move.

In addition, in one embodiment, the welding device 905 includes an electric driving block 63 disposed at the lower side of the transmission cavity 25, a sliding cavity four 59 is disposed in a lower side wall body of the vehicle body 10 at the rear side of the electric driving block 63, a rotating shaft six 50 is rotatably disposed between the sliding cavity four 59 and the electric driving block 63, a torque disposed in a rear side wall body of the sliding cavity four 59 is fixedly mounted at the rear side of the rotating shaft six 50, and can drive the rotating shaft six 50 to reset, a rotating shaft seven 48 is rotatably disposed between the transmission cavity 25 and the electric driving block 63, a rotating shaft eight 44 is rotatably disposed on left and right side wall bodies of the transmission cavity 25 at the lower side of the rotating shaft one 28, a gear two 45 capable of being engaged with the gear two 27 is fixedly disposed on the rotating shaft eight 44 at the right side of the gear two 45, a worm 46 is fixedly disposed on the rotating shaft eight 44 at the right side of the gear two 46, and a turbine 47, the worm wheel 47 is in meshed connection with the worm 46, a bevel gear III 49 is fixedly arranged on a rotating shaft VII 48 in the electric driving block 63, a bevel gear IV 51 in meshed connection with the bevel gear III 49 is fixedly arranged on a rotating shaft VI 50 in the electric driving block 63, a slider III 60 is slidably arranged in a sliding cavity IV 59, the slider III 60 is in threaded meshed connection with the rotating shaft VI 50, a connecting rod 61 is fixedly arranged on the lower side of the slider III 60, a welding box 62 is fixedly arranged on the lower side of the connecting rod 61, an arc-shaped driving cavity 64 is formed in the front side wall body of the welding box 62, a pipeline in the arc-shaped driving cavity 64 capable of moving through electric control is fixedly arranged in the rear side wall body of the arc-shaped driving cavity 64 to rotate the electric driving block 63, and a welding head 78 capable of welding the spliced pipeline is arranged between the electric driving blocks 63.

In an initial state, the first gear 23 is in meshed connection with the first half gear 26, the second half gear 27 is located on the second gear 45 in meshed connection, the hydraulic tank 32 is located on the rear side of the mechanical claw cavity 33, the second slider 68 is located on one side, far away from the transmission cavity 25, of the sliding groove 70, and the second reset torsion spring 71 is in a natural state.

When a pipeline is grabbed, the motor 29 is started to drive the first rotating shaft 28 to rotate, the first rotating shaft 28 drives the first half gear 26 to rotate, the first half gear 26 drives the first gear 23 to rotate, the first gear 23 rotates to drive the fourth rotating shaft 24 to rotate, the fourth rotating shaft 24 rotates to drive the first sheave 18 to rotate, the first sheave 18 rotates to drive the second sheave 19 to rotate, the second sheave 19 rotates to drive the third rotating shaft 20 to rotate and drive the first reset torsion spring 21 to store power, the third rotating shaft 20 rotates to drive the second bevel gear 16 to rotate, the second bevel gear 16 rotates to drive the first bevel gear 12 to rotate, the first bevel gear 12 rotates to drive the fifth rotating shaft 15 to rotate, the fifth rotating shaft 15 rotates to drive the second pulley 14 to rotate, the second pulley 14 rotates to drive the transmission belt 13 to rotate, the first transmission belt 13 rotates to drive the first pulley 65 to rotate, the first pulley 65 rotates to drive the threaded rotating shaft, therefore, the hydraulic tank 32 is started to drive the gripper 902 to move downwards to the position of the clamped pipeline, then the hydraulic cylinder 42 is started, the hydraulic cylinder 42 drives the first sliding block 41 to move upwards or downwards so as to drive the sliding rod 40 to move upwards or downwards, the sliding rod 40 and the waist hole 58 slide relatively, the mechanical arm 57 moves or loosens inwards to clamp the pipeline, the first grooved wheel 18 continues to rotate to be separated from the first grooved wheel 18, the third rotating shaft 20 is reversed under the action of the first reset torsion spring 21 so as to drive the hydraulic tank 32 to reset, and the gripper 902 which finishes pipeline grabbing resets; the first sheave 18 continuously rotates to drive the third sheave 17 to rotate, the third sheave 17 rotates to drive the driving rotating shaft 34 to rotate, the driving rotating shaft 34 rotates to drive the second slider 68 to move towards one side close to the first half gear 25, the second reset torsion spring 72 accumulates force to drive the hydraulic tank 32 to slide towards one side close to the transmission cavity 25, so that the hydraulic tank 32 and the moving block 71 are driven to slide relatively, so that the grabbed pipelines are spliced, when the splicing is completed, the first gear 23 is disengaged from the first half gear 26, at the moment, the third sheave 17 is not disengaged from the first sheave 18, the first rotating shaft 28 continuously rotates to drive the second gear 45 to rotate, the second gear 45 rotates to drive the eighth rotating shaft 44 to rotate, the eighth rotating shaft 44 rotates to drive the worm 46 to rotate, the worm 46 rotates to drive the worm 47 to rotate to drive the seventh rotating shaft 48 to rotate, the seventh rotating shaft 48 rotates to drive the third bevel gear 49 to rotate, the third bevel gear 49, the bevel gear four 51 rotates to drive the rotating shaft six 50 to rotate, the rotating shaft six 50 rotates to drive the sliding block three 60 to move forwards, the sliding block three 60 moves forwards to drive the connecting rod 61 to move forwards, so that the welding box 62 is driven to move forwards, the spliced pipeline enters the arc-shaped driving cavity 64 to be contacted with the electric driving block 63, the electric driving block 63 can rotate the spliced pipeline, a rotating wheel 53 is arranged in the mechanical claw 902 to enable the pipeline to rotate, then the pipeline is spliced through the spot welding head 78 for one circle to complete welding, seamless splicing of the laid pipeline can be achieved, the welded pipeline can be laid, manual welding laying is replaced, and therefore pipeline laying can be efficient and convenient; when the welding is finished, the hydraulic cylinder 42 is started to enable the clamping block 54 to be away from the sliding rod 40 for a certain distance, so that the pipeline clamping is loosened for a certain distance, the first rotating shaft 28 continues to rotate to drive the fourth rotating shaft 24 and the first grooved pulley 18 to rotate, so that the first grooved pulley 18 is separated from the third grooved pulley 17, the second sliding block 68 is reset under the action of the second reset torsion spring 71, so that the hydraulic tank 32 is driven to reset, then the hydraulic tank 32 is started to drive the mechanical claw to move downwards, so that the welded pipeline is placed into the tunnel for laying of the pipeline.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and scope of the present invention are intended to be included therein.