Hollow roadbed plate welding machine

Abstract

The invention belongs to welding equipment, particularly relates to the field of hollow base plate machining, and discloses a hollow base plate welding machine which comprises a base, a supporting plate is fixed between two movable plates, second oil grooves are symmetrically formed in the two end faces of the supporting plate, and second pistons are slidably connected into the second oil grooves. An electric heating piece is fixed to the outer end face of the second piston, a second sliding rail is fixed to the rear side of the second support, a second sliding block is slidably connected into the second sliding rail, and a cleaning mechanism is fixed to the bottom of the second sliding block. According to the welding machine for the hollow substrate, after the hollow substrate is heated through the electric heating piece, the molten hollow substrate can be adhered to the electric heating piece, after the electric heating piece is folded and the supporting plate is removed, the second sliding block and the supporting frame move leftwards or rightwards, and the first scraping plate can scrape away attachments on the electric heating piece on the lower end face of the supporting plate; the second scraping plate can scrape attachments on the electric heating piece on the upper end face of the supporting plate.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of welding equipment, more particularly to the field of hollow road base plate processing, and particularly to a hollow road base plate welding machine. BACKGROUND

[0002] The hollow road base plate is a kind of road base pad with a honeycomb-like corrugated paper structure, which is used for quickly building temporary roads and can be used as temporary traffic roads and emergency rescue temporary road surfaces. It can be used in muddy marshes, soft deserts, water holes, frozen snow-covered areas, airport construction, earthwork engineering, oil drilling, natural gas pipeline transportation and other fields. The hollow road base plate adopts a unique convex anti-skid pattern surface design, which can ensure the safe operation of vehicles even in bad weather.

[0003] The existing hollow plate is generally fixed only by bolts without welding process, and the connection between the two plates is not tight and firm enough, thereby affecting the stability of the overall structure. If welding is performed, a heating element is generally used to heat and melt the plate. The heating element will stick to the melted material, which will affect the subsequent use of the heating element if not removed. Manual removal is also more troublesome. In view of the above problems, the existing equipment needs to be improved. SUMMARY

[0004] The purpose of the present application is to provide a hollow road base plate welding machine to solve the problems raised in the background.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a hollow road base plate welding machine, comprising a base, a first electric telescopic column fixed in the base, a conveyor belt fixed at the top of the first electric telescopic column, first electric telescopic rods fixed symmetrically on both sides of the upper end surface of the base, clamping blocks fixed at the inner ends of the first electric telescopic rods, first and second supports fixed on the upper end surface of the base, and an electric suction plate connected to the lower side of the inner top of the first support through a second electric telescopic column.

[0006] The inner top of the first and second supports is fixed with two first sliding rails, and the first sliding rails are slidably connected with first sliding blocks, the bottom of the first sliding blocks is connected with moving plates through third electric telescopic columns, a support plate is fixed between the two moving plates, second oil grooves are symmetrically formed on the two end surfaces of the support plate, second pistons are slidably connected in the second oil grooves, electric heating sheets are fixed on the outer end surfaces of the second pistons, a second sliding rail is fixed on the rear side of the second support, a second sliding block is slidably connected in the second sliding rail, and a cleaning mechanism is fixed on the bottom of the second sliding block.

[0007] Preferably, a groove is formed on the upper end surface of the base, and the conveyor belt is located in the groove.

[0008] Preferably, the rear side of the two first sliding rails is fixed with a first motor, and the output end of the first motor is connected with a first lead screw, and the outer side of the first lead screw is threadedly connected with a first sliding block.

[0009] Preferably, the moving plate is fixed with a water supply pipeline, and a valve is rotatably connected in the water supply pipeline, the valve is connected with the water supply pipeline through a torsional spring, the valve penetrates through the front side of the water supply pipeline and is connected with a knob, and the two sides of the inner end face of the moving plate are fixed with a stopper.

[0010] Preferably, the moving plate is fixed with a second electric telescopic rod, and the inner end of the second electric telescopic rod is fixed with a first piston, the moving plate is provided with a first oil groove, the first piston is slidably connected in the first oil groove, the support plate is fixed with two main pipelines, one of the main pipelines penetrates through the first oil groove in one of the moving plates through a first connecting pipeline, and the other main pipeline penetrates through the first oil groove in the other moving plate through a first connecting pipeline, the inner end face of the two main pipelines is fixed with a branch pipeline, and the branch pipeline is fixed in the moving plate.

[0011] Preferably, the second oil groove in the upper end face of the support plate penetrates through the branch pipeline in the upper layer through a second connecting pipeline, and the second oil groove in the lower end face of the support plate penetrates through the branch pipeline in the lower layer through a second connecting pipeline.

[0012] Preferably, one side of the second sliding rail is fixed with a second motor, and the output end of the second motor is connected with a second lead screw, and the outer side of the second lead screw is threadedly connected with a second sliding block.

[0013] Preferably, the cleaning mechanism comprises a support frame, and the support frame is fixed at the bottom of the second sliding block, the inner bottom of the support frame is fixed with a first scraper, and the two sides of the support frame are connected with a movable block through a first spring, a second scraper is fixed between the front and rear movable blocks, and the movable blocks are arranged in one-to-one correspondence with the stoppers.

[0014] Preferably, the two sides of the inner top of the support frame are fixed with a collecting frame in symmetry, and the top of the collecting frame is fixed with an oil pipe, the first end of the oil pipe is slidably connected with a third piston, and the outer end of the third piston is fixed with a pressing plate, and the pressing plate is connected with the first end of the oil pipe through a second spring.

[0015] Preferably, the oil pipe is slidably connected with a fourth piston at the tail end, the third piston, the pressing plate and the fourth piston are fixed with a water supply pipeline, the water supply pipeline penetrates through the third piston, the pressing plate and the fourth piston and is connected with a water spraying plate, the water spraying plate is fixed at the bottom of the fourth piston and is slidably connected with the inner side of the collecting frame.

[0016] Compared with the prior art, the present application has the following beneficial effects: 1. This hollow circuit board welding machine can achieve automatic feeding and fusion welding. After the hollow circuit board is placed on the conveyor belt, the conveyor belt transports the hollow circuit board backward. After the clamping block is used to straighten the hollow circuit board and the clamping block is removed, the hollow circuit board is picked up by the electric suction plate. Then, the second hollow circuit board is transported backward by the conveyor belt. After the two hollow circuit boards are aligned, the corresponding hollow circuit boards are clamped and fixed by the clamping block. Then the conveyor belt can be lowered. Then the support plate moves forward to the space between the two hollow circuit boards. After the heating elements on the upper and lower end faces of the support plate are extended, the support plate moves down and the electric suction plate moves down at the same time, so that the heating elements on both ends of the support plate can be attached to the two hollow circuit boards respectively, which facilitates the heating and melting treatment of the welding surface of the two hollow circuit boards. After the heating elements are retracted and the support plate is removed, the electric suction plate moves down to facilitate the fusion welding of the two hollow circuit boards together. Then the two boards can be fixed and clamped with bolts. 2. This hollow circuit board welding machine can automatically remove adhering materials. After the hollow circuit board is heated by the heating element, the molten hollow circuit board will stick to the heating element. After the heating element is retracted and the support plate is removed, the second slider and the support frame move to the left or right. The first scraper can scrape off the adhering materials on the heating element on the lower end face of the support plate, and the second scraper can scrape off the adhering materials on the heating element on the upper end face of the support plate. 3. This hollow circuit board welding machine can achieve the purpose of ***. When the second scraper is used to scrape the material, the impurities will stick to the second scraper and accumulate in the collection frame. When the second slider slides to the left or right to the bottom, the water supply pipe is inserted into the water supply pipe, the squeezing plate squeeze knob is rotated, the valve is rotated to open, and water is sprayed out through the spray plate, thereby wetting the attachments on the heating element, which facilitates the subsequent cleaning work. After the squeezing plate is pressed against the moving plate, the spray plate moves down, and at the same time the collection frame moves relative to the second scraper, and the impurities in the collection frame will fall off automatically. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a frontal cross-sectional view of the present invention. Figure 3 This is a partial frontal cross-sectional view of the present invention; Figure 4 This is a schematic diagram of the first partial three-dimensional structure of the present invention; Figure 5 This is a schematic diagram of the second partial three-dimensional structure of the present invention; Figure 6 This is a schematic diagram of the cleaning mechanism structure of the present invention; Figure 7 This is a top view cross-sectional structural diagram of the present invention; Figure 8 For the present invention Figure 3Enlarged structural schematic view at A; Figure 9 For the application Figure 3 Enlarged structural schematic view at B; Figure 10 For the application Figure 4 Enlarged structural schematic view at C; Figure 11 Schematic view of the connecting structure of the moving plate, water supply pipeline, valve and knob.

[0018] In the figure: 1, base; 2, first electric telescopic column; 3, groove; 4, conveying belt; 5, first electric telescopic rod; 6, clamping block; 7, first support; 8, second electric telescopic column; 9, electric suction plate; 10, second support; 11, first sliding rail; 12, first motor; 13, first lead screw; 14, first sliding block; 15, third electric telescopic column; 16, moving plate; 17, water supply pipeline; 18, valve; 19, knob; 20, stop block; 21, support plate; 22, second electric telescopic rod; 23, first oil groove; 24, first piston; 25, first connecting pipeline; 26, main pipeline; 27, branch pipeline; 28, second connecting pipeline; 29, second oil groove; 30, second piston; 31, electric heating sheet; 32, second sliding rail; 33, second motor; 34, second lead screw; 35, second sliding block; 36, cleaning mechanism; 3601, support frame; 3602, first scraper; 3603, first spring; 3604, movable block; 3605, second scraper; 3606, collection frame; 3607, oil pipe; 3608, third piston; 3609, extrusion plate; 3610, second spring; 3611, water delivery pipeline; 3612, fourth piston; 3613, water spraying plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0020] Please refer to Figures 1 to 11 The present application provides a technical solution: a hollow roadbed plate welding machine, comprising a base 1, a first electric telescopic column 2 fixed in the base 1, a conveying belt 4 fixed at the top of the first electric telescopic column 2, first electric telescopic rods 5 fixed symmetrically on both sides of the upper end surface of the base 1, clamping blocks 6 fixed at the inner ends of the first electric telescopic rods 5, first supports 7 and second supports 10 fixed on the upper end surface of the base 1, and a second electric telescopic column 8 connected to an electric suction plate 9 through the lower side of the inner top of the first support 7.

[0021] The inner top of the first support 7 and the second support 10 is fixed with two first sliding rails 11, the first sliding rails 11 are slidably connected with first sliding blocks 14, the bottom of the first sliding blocks 14 is connected with moving plates 16 through third electric telescopic columns 15, the moving plates 16 are fixed with a support plate 21, the two end faces of the support plate 21 are symmetrically provided with second oil grooves 29, the second oil grooves 29 are slidably connected with second pistons 30, the outer end face of the second pistons 30 is fixed with electric heating sheets 31, the rear side of the second support 10 is fixed with a second sliding rail 32, the second sliding rail 32 is slidably connected with a second sliding block 35, and the bottom of the second sliding block 35 is fixed with a cleaning mechanism 36.

[0022] In the embodiment, as shown in Figure 1 and Figure 2 , the upper end face of the base 1 is provided with a groove 3, the conveyor belt 4 is located in the groove 3, after the hollow roadbed plate is placed on the conveyor belt 4, the conveyor belt 4 operates to transport the hollow roadbed plate backward, which facilitates automatic feeding, after the welding operation is completed, the conveyor belt 4 operates to transport the hollow roadbed plate forward, which facilitates automatic unloading.

[0023] In the embodiment, as shown in Figure 1 , Figure 4 , Figure 5 , the rear side of the two first sliding rails 11 is fixed with first motors 12, the output end of the first motor 12 is connected with a first lead screw 13, the outer side of the first lead screw 13 is threadedly connected with the first sliding blocks 14, the first lead screw 13 can rotate under the action of the first motor 12, at this time, the first sliding blocks 14 can slide forward or backward under the limiting action of the first sliding rails 11 and the first lead screw 13, the two moving plates 16 and the support plate 21 move forward or backward as a whole, which facilitates use or removal of the electric heating sheets 31.

[0024] In the embodiment, as shown in Figure 3 , Figure 5 , Figure 9 , Figure 10 and Figure 11 , the moving plate 16 is fixed with a water supply pipeline 17, the water supply pipeline 17 is rotatably connected with a valve 18, the valve 18 is connected with the water supply pipeline 17 through a torsional spring, the valve 18 penetrates the front side of the water supply pipeline 17 and is connected with a knob 19, the two sides of the inner end face of the moving plate 16 are symmetrically fixed with stop blocks 20, when the knob 19 is pressed to rotate, the valve 18 rotates to open, after the pressing on the knob 19 is released, the knob 19 automatically rotates back, and the valve 18 rotates back to close.

[0025] In the embodiment, as shown in Figure 3 , Figure 7 and Figure 8As shown, the second electric telescopic rod 22 is fixed in the moving plate 16, and the inner end of the second electric telescopic rod 22 is fixed with the first piston 24. The first oil groove 23 is arranged in the moving plate 16, and the first piston 24 is slidingly connected in the first oil groove 23. The two main pipes 26 are fixed in the supporting plate 21. One of the main pipes 26 is communicated with the first oil groove 23 in one of the moving plates 16 through the first connecting pipe 25, and the other main pipe 26 is communicated with the first oil groove 23 in the other moving plate 16 through the first connecting pipe 25. The inner end surface of the two main pipes 26 is fixed with the branch pipe 27, and the branch pipe 27 is fixed in the moving plate 16. The first piston 24 can be moved under the elongation of the second electric telescopic rod 22, so as to press the hydraulic oil in the first oil groove 23 into the first connecting pipe 25, the main pipe 26 and the branch pipe 27.

[0026] As shown in the embodiment, Figure 3 and Figure 8 the second oil groove 29 on the upper end surface of the supporting plate 21 is communicated with the upper branch pipe 27 through the second connecting pipe 28, and the second oil groove 29 on the lower end surface of the supporting plate 21 is communicated with the lower branch pipe 27 through the second connecting pipe 28. The first connecting pipe 25, the main pipe 26, the branch pipe 27 and the second connecting pipe 28 serve to communicate the second oil groove 29 and the first oil groove 23. The second oil groove 29 on the upper end surface of the supporting plate 21 is communicated with the first oil groove 23 in the left moving plate 16, and the second oil groove 29 on the lower end surface of the supporting plate 21 is communicated with the first oil groove 23 in the right moving plate 16. When the first piston 24 is moved under the elongation of the second electric telescopic rod 22, the second piston 30 is moved under the action of the oil pressure, so as to drive the electric heating sheet 31 to move. The electric heating sheet 31 is extended from the end surface of the supporting plate 21 and adhered to the hollow roadbed plate, so as to facilitate the heating of the hollow roadbed plate.

[0027] As shown in the embodiment, Figure 3 the second motor 33 is fixed on one side of the second sliding rail 32, and the output end of the second motor 33 is connected with the second screw rod 34. The second screw rod 34 is externally threaded with the second sliding block 35. The second screw rod 34 can be rotated under the action of the second motor 33. At this time, the second sliding block 35 can slide leftward or rightward under the limiting action of the second sliding rail 32 and the second screw rod 34, so as to drive the cleaning mechanism 36 to slide leftward or rightward, facilitating the use or removal of the cleaning mechanism 36.

[0028] As shown in the embodiment, Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the cleaning mechanism 36 comprises a support frame 3601 fixed at the bottom of the second sliding block 35, the inner bottom of the support frame 3601 is fixed with a first scraper 3602, and the two sides of the support frame 3601 are connected with movable blocks 3604 through first springs 3603, the front and rear movable blocks 3604 are fixed with a second scraper 3605, and the movable blocks 3604 are arranged one-to-one corresponding to the stop blocks 20, when the support frame 3601 moves left and right together with the second sliding block 35, the first scraper 3602 can scrape off the impurities on the electric heating sheet 31 at the lower end surface of the support plate 21, and the second scraper 3605 can scrape off the impurities on the electric heating sheet 31 at the upper end surface of the support plate 21, and the movable blocks 3604 finally abut against the stop blocks 20.

[0029] In the embodiment, as shown in Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 9 and Figure 10 , the two sides of the inner top of the support frame 3601 are symmetrically fixed with collecting frames 3606, and the top of the collecting frame 3606 is fixed with an oil pipe 3607, the first end of the oil pipe 3607 is slidably connected with a third piston 3608, and the outer end of the third piston 3608 is fixed with a pressing plate 3609, the pressing plate 3609 is connected with the first end of the oil pipe 3607 through a second spring 3610, when the second scraper 3605 can scrape off the impurities on the electric heating sheet 31 at the upper end surface of the support plate 21, the impurities will stick to the second scraper 3605 and accumulate in the collecting frame 3606, the second spring 3610 supports the pressing plate 3609, during the sliding process of the second sliding block 35, after the pressing plate 3609 abuts against the moving plate 16, the third piston 3608 starts to slide in the oil pipe 3607, after the movable blocks 3604 abut against the stop blocks 20, the collecting frame 3606 will move relative to the second scraper 3605, which facilitates automatic discharge of the impurities in the collecting frame 3606.

[0030] In the embodiment, as shown in Figure 3 、 Figure 6 and Figure 9As shown, the end of the oil pipe 3607 is slidably connected with a fourth piston 3612, the third piston 3608, the extrusion plate 3609 and the fourth piston 3612 are fixed with a water delivery pipe 3611, the water delivery pipe 3611 penetrates through the third piston 3608, the extrusion plate 3609 and the fourth piston 3612 and is connected with a water spraying plate 3613, the water spraying plate 3613 is fixed at the bottom of the fourth piston 3612 and is slidably connected at the inner side of the collecting frame 3606, in the process that the second sliding block 35 slides to the bottom, after the extrusion plate 3609 abuts against the moving plate 16, the supporting frame 3601, the collecting frame 3606 and the oil pipe 3607 continue to move, the collecting frame 3606 moves relative to the second scraper 3605, meanwhile, the third piston 3608 slides in the oil pipe 3607, and the fourth piston 3612 slides downward under the action of oil pressure, so as to drive the water spraying plate 3613 to move downward, at this time, the water spraying plate 3613 serves as a push plate, and it is convenient to automatically remove the impurities in the collecting frame 3606.

[0031] The use method and advantages of the present application are as follows: As Figures 1 to 11As shown: first, the water supply pipe 17 and the external pipe are connected together, the external power supply is connected, the first hollow road base plate is placed on the conveyor belt 4, the conveyor belt 4 operates to transport the hollow road base plate backward, after the hollow road base plate reaches directly below the electric suction plate 9, the first electric telescopic rod 5 is elongated, the left and right clamping blocks 6 are close to each other and support the hollow road base plate, after the clamping blocks 6 are removed, the electric suction plate 9 moves down and sucks the hollow road base plate, after the second hollow road base plate is placed on the conveyor belt 4, the conveyor belt 4 transports the hollow road base plate backward, until the two hollow road base plates are aligned vertically, the conveyor belt 4 moves down and shrinks into the groove 3, then the left and right clamping blocks 6 are close to each other and clampingly fix the hollow road base plate, the first screw rod 13 rotates to drive the first sliding block 14 to slide forward, the two moving plates 16 and the support plate 21 move forward, the support plate 21 moves between the two hollow road base plates, then the two second electric telescopic rods 22 are elongated, the two first pistons 24 move, the two groups of second pistons 30 move under the action of oil pressure, the two groups of electric heating sheets 31 are all stretched out from the support plate 21, then the support plate 21 moves down and makes the electric heating sheets 31 on the lower end face thereof adhere to the hollow road base plate on the base 1, at the same time, the electric suction plate 9 moves downward with the hollow road base plate sucked thereby, so that the electric heating sheets 31 on the upper end face of the support plate 21 adhere to the hollow road base plate on the electric suction plate 9, the electric heating sheets 31 heat and melt the hollow road base plate, after the heating operation is completed, the two second electric telescopic rods 22 are retracted, the electric heating sheets 31 are retracted into the support plate 21, then the electric suction plate 9 and the support plate 21 move upward to reset, then the support plate 21 moves backward and moves away from between the two hollow road base plates, then the electric suction plate 9 moves downward with the hollow road base plate sucked thereby, so as to press the two hollow road base plates together, thereby completing the welding operation, then the two hollow road base plates need to be fixed and clamped by bolts, then the second screw rod 34 rotates to drive the second sliding block 35 and the support frame 3601 as a whole to move leftward or rightward, the first scraper 3602 scrapes off the impurities on the electric heating sheets 31 on the lower end face of the support plate 21, the second scraper 3605 scrapes off the impurities on the electric heating sheets 31 on the upper end face of the support plate 21, the impurities are accumulated in the collection frame 3606, when the second sliding block 35 slides leftward or backward to the bottom, the water supply pipe 3611 is inserted into the water supply pipe 17, the extrusion plate 3609 extrudes and rotates the knob 19, the valve 18 rotates to open, water is transported into the water spraying plate 3613 through the water supply pipe 17 and the water supply pipe 3611, the water spraying plate 3613 sprays water downward to wet the impurities, after the extrusion plate 3609 abuts against the moving plate 16, the third piston 3608 slides in the oil pipe 3607, the fourth piston 3612 moves downward under the action of oil pressure, so as to drive the water spraying plate 3613 to move downward, at the same time, the collection frame 3606 moves relative to the second scraper 3605, the impurities in the collection frame 3606 are automatically discharged, after the two hollow road base plates welded together are loosened, the conveyor belt 4 can operate to transport the hollow road base plate forward to complete the discharging.

[0032] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and such changes and improvements are all within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

[0033] The terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is a simplified description for the purpose of describing the present application, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application.

[0034] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A hollow road base welding machine comprising a base (1), characterized in that: The first electric telescopic column (2) is fixed in the base (1), the top of the first electric telescopic column (2) is fixedly connected with a conveying belt (4), the upper end surface of the base (1) is fixedly connected with a first electric telescopic rod (5) on both sides, the inner end of the first electric telescopic rod (5) is fixedly connected with a clamping block (6), the upper end surface of the base (1) is fixedly connected with a first support (7) and a second support (10), the inner top of the first support (7) is connected with an electric suction plate (9) through a second electric telescopic column (8); The inner top of the first support (7) and the second support (10) is fixedly connected with two first sliding rails (11), the first sliding rails (11) are slidably connected with a first sliding block (14), the bottom of the first sliding block (14) is connected with a moving plate (16) through a third electric telescopic column (15), the moving plate (16) is fixedly connected with a support plate (21), the both end surfaces of the support plate (21) are symmetrically provided with a second oil groove (29), the second oil groove (29) is slidably connected with a second piston (30), the outer end surface of the second piston (30) is fixedly connected with an electric heating sheet (31), the rear side of the second support (10) is fixedly connected with a second sliding rail (32), the second sliding rail (32) is slidably connected with a second sliding block (35), the bottom of the second sliding block (35) is fixedly connected with a cleaning mechanism (36).

2. A hollow road base welding machine according to claim 1, wherein: The upper end surface of the base (1) is provided with a groove (3), and the conveying belt (4) is located in the groove (3).

3. The hollow road base plate welding machine according to claim 1, characterized in that: The rear side of the first sliding rail (11) is fixedly connected with a first motor (12), and the output end of the first motor (12) is connected with a first lead screw (13), and the outer side of the first lead screw (13) is threadedly connected with the first sliding block (14).

4. The hollow road base plate welding machine according to claim 1, characterized by: The moving plate (16) is fixedly connected with a water supply pipeline (17), and the water supply pipeline (17) is rotatably connected with a valve (18), the valve (18) is connected with the water supply pipeline (17) through a torsional spring, the valve (18) penetrates through the front side of the water supply pipeline (17) and is connected with a knob (19), and the both end surfaces of the moving plate (16) are symmetrically fixedly connected with a stop block (20).

5. The hollow road base plate welding machine according to claim 1, characterized in that: The moving plate (16) is fixedly connected with a second electric telescopic rod (22), and the inner end of the second electric telescopic rod (22) is fixedly connected with a first piston (24), the moving plate (16) is provided with a first oil groove (23), and the first piston (24) is slidably connected in the first oil groove (23), the support plate (21) is fixedly connected with two main pipelines (26), one of the main pipelines (26) penetrates through the first oil groove (23) in one of the moving plates (16) through a first connecting pipeline (25), and the other main pipeline (26) penetrates through the first oil groove (23) in the other moving plate (16) through the first connecting pipeline (25), the inner end surface of the main pipeline (26) is fixedly connected with a branch pipeline (27), and the branch pipeline (27) is fixed in the moving plate (16).

6. A hollow road base welding machine according to claim 5 wherein: The second oil groove (29) of the upper end face of the branch plate (21) is communicated with the upper branch pipeline (27) through the second connecting pipeline (28), and the second oil groove (29) of the lower end face of the branch plate (21) is communicated with the lower branch pipeline (27) through the second connecting pipeline (28).

7. The hollow road base welding machine of claim 1, wherein: One side of the second sliding rail (32) is fixedly connected with a second motor (33), and the output end of the second motor (33) is connected with a second lead screw (34), and the outer side of the second lead screw (34) is threadedly connected with a second sliding block (35).

8. The hollow road base welding machine of claim 4, wherein: The cleaning mechanism (36) comprises a supporting frame (3601), and the supporting frame (3601) is fixed to the bottom of the second sliding block (35); the inner bottom of the supporting frame (3601) is fixedly connected with a first scraper (3602); the two sides of the supporting frame (3601) are connected with movable blocks (3604) through first springs (3603); the movable blocks (3604) are fixedly connected with a second scraper (3605) between the front and rear movable blocks (3604); and the movable blocks (3604) are arranged in one-to-one correspondence with the stop blocks (20).

9. A hollow road base welding machine according to claim 8, wherein: The two sides of the inner top of the supporting frame (3601) are fixedly connected with collecting frames (3606) in a symmetrical mode; the top of each collecting frame (3606) is fixedly connected with an oil pipe (3607); the first end of the oil pipe (3607) is slidably connected with a third piston (3608); the outer end of the third piston (3608) is fixedly connected with a pressing plate (3609); and the pressing plate (3609) is connected with the first end of the oil pipe (3607) through a second spring (3610).

10. A hollow road base welding machine according to claim 9, wherein: The second end of the oil pipe (3607) is slidably connected with a fourth piston (3612); the third piston (3608), the pressing plate (3609) and the fourth piston (3612) are fixedly connected with a water delivery pipeline (3611); the water delivery pipeline (3611) penetrates through the third piston (3608), the pressing plate (3609) and the fourth piston (3612) and is connected with a water spraying plate (3613); the water spraying plate (3613) is fixed to the bottom of the fourth piston (3612); and the water spraying plate (3613) is slidably connected to the inner side of the collecting frame (3606).

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