Laying and welding device for civil engineering film
By designing a laying and welding device for geomembranes, and using a feeding roller and a pressing roller in conjunction with a motor drive to achieve automatic welding and cutting, the problems of cumbersome geomembrane welding process and uneven manual cutting are solved, thus improving construction efficiency and aesthetics.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2026-04-10
AI Technical Summary
The welding process of geomembranes is complicated, resulting in a waste of manpower and resources. Manual cutting is uneven, affecting the aesthetics and is inefficient.
Design a device for laying and welding geomembranes, which uses a feeding roller and a pressing roller in combination, and is driven by a motor to achieve automatic laying and hot pressing welding. It is also equipped with a cutting blade for mechanical cutting to reduce manual intervention.
It enables efficient and automated welding and cutting of geomembranes, improving construction efficiency, ensuring neat cuts, and reducing labor intensity and production costs.
Smart Images

Figure CN224103555U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the civil engineering membrane technical field, concretely relates to a kind of laying welding device for civil engineering membrane. BACKGROUND
[0002] Geotechnical membrane is mainly made of high-density polyethylene resin, and low-density polyethylene, polyvinyl chloride, vinyl acetate copolymer and other high molecular materials can also be used. It is made by high-temperature melting, extrusion and calendaring process. Geotechnical membrane has high anti-seepage coefficient, can effectively block the penetration of water and gas. It has tensile strength, tear strength, puncture strength and other characteristics, can withstand external force, and can withstand sunlight, rain and other natural environmental erosion for a long time, and is not easy to age and damage. Therefore, geotechnical membrane is widely used in various engineering fields.
[0003] The common method of geotechnical membrane welding is hot melt welding. The geotechnical membrane is rolled from the top of the dam slope to the slope surface by artificial one-time, and then the hot melt welding is carried out along the joint position by using the welding machine. The construction process is too complicated, causing a lot of waste of manpower and material resources. When laying the geotechnical membrane, due to the limited width of the geotechnical membrane, the staff needs to cut the geotechnical membrane manually after the welding of one place is completed, and then the remaining area can be laid and welded. The work efficiency is not high, and the manual cutting cannot ensure the neatness of the cut, affecting the appearance. UTILITY MODEL CONTENT
[0004] To solve the problems raised in the above background art, the utility model provides a laying welding device for civil engineering membrane, which solves the problem of hot melt welding of the welding machine along the joint position, the construction process is too complicated, causing a lot of waste of manpower and material resources, the staff needs to cut the geotechnical membrane manually after the welding of one place is completed, the work efficiency is not high, and the manual cutting cannot ensure the neatness of the cut, affecting the appearance.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a laying welding device for civil engineering membrane, comprising a vehicle body, a second electric hydraulic push rod is installed in the middle of the lower surface of the vehicle body, one end of the second electric hydraulic push rod is connected with a bearing plate, a connecting block is fixedly installed on one side of the bottom of the bearing plate, second shafts are connected on both sides of the inner surface of the connecting block, one end of the second shaft is connected with a pressing and ironing roller, a limiting block is fixedly connected on one side of the surface of the vehicle body, a second motor is installed on one side of the top of the limiting block, a threaded rotating shaft is connected with the output end of the second motor, an activity block is screw-connected on the surface of the threaded rotating shaft, a fixed block is fixedly connected on one side of the activity block, an installation frame is connected at one end of the fixed block, a first motor is installed on one side of the installation frame, a first shaft is connected with the output end of the first motor, and a feeding roller is connected at one end of the first shaft.
[0006] Preferably, one side of the lower surface of the vehicle body is provided with a first electric hydraulic push rod, one end of the first electric hydraulic push rod is connected with a cutting knife.
[0007] Preferably, the inside of the limiting block is provided with a limiting groove, and the surface of the limiting groove is in sliding connection with the surface of the movable block.
[0008] Preferably, both sides of the lower surface of the vehicle body are fixedly connected with concave connecting blocks, the inside of the concave connecting block is connected with a rotating rod, and both ends of the rotating rod are connected with wheels.
[0009] Preferably, both sides of the surface of the bearing plate are fixedly connected with reinforcing ribs, and the other side of the reinforcing rib is fixedly connected with the top of the connecting block.
[0010] Preferably, one side of the vehicle body is fixedly connected with a handle.
[0011] Preferably, the number of the connecting blocks and the pressing and ironing rollers is two groups, and the two groups of connecting blocks and the pressing and ironing rollers are correspondingly installed.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] Through the cooperation between the discharging roller and the pressing and ironing roller, the position of the pressing and ironing roller corresponds to the position of the discharging roller, the first motor drives the first rotating shaft and the discharging roller to rotate to throw out the civil engineering membrane and lay it on the ground, then the device is moved, the surface of the pressing and ironing roller contacts the interface of the civil engineering membrane and applies heat and pressure to the interface, the interface of the civil engineering membrane is welded through the hot-pressing mode, the whole construction process is completed in one step, the operation process is simpler, and the consumption of manpower and material resources is reduced, the cutting knife is moved downward through the first electric hydraulic push rod to cut the civil engineering membrane, the mechanical cutting is more neat, the civil engineering membrane does not need to be cut manually by the staff, and the work efficiency and the appearance of laying are improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:
[0015] Figure 1 It is the three-dimensional structure diagram of the utility model;
[0016] Figure 2 It is the schematic view of the wheel of the utility model;
[0017] Figure 3 It is the schematic view of the cutting knife of the utility model;
[0018] Figure 4It is a schematic view of the material discharging roller of the utility model.
[0019] Figure 5 It is a schematic view of the pressing and ironing roller of the utility model.
[0020] Figure 6 It is a schematic view of the limiting block of the utility model.
[0021] In the drawing: 1, vehicle body; 2, limiting block; 3, mounting frame; 4, handle; 5, wheel; 6, connecting block; 7, concave connecting block; 8, rotating rod; 9, first electric hydraulic push rod; 10, cutting knife; 11, bearing plate; 12, second electric hydraulic push rod; 13, fixed block; 14, first rotating shaft; 15, material discharging roller; 16, first motor; 17, reinforcing rib; 18, second rotating shaft; 19, pressing and ironing roller; 20, second motor; 21, limiting groove; 22, movable block; 23, threaded rotating shaft. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] Please refer to Figures 1-6 The utility model provides the following technical scheme: a laying and welding device for civil membrane, including vehicle body 1, the middle part of the lower surface of vehicle body 1 is installed with second electric hydraulic push rod 12, one end of second electric hydraulic push rod 12 is connected with bearing plate 11, one side of the bottom of bearing plate 11 is fixedly installed with connecting block 6, the inner surface of connecting block 6 is connected with second rotating shaft 18 on both sides, one end of second rotating shaft 18 is connected with pressing and ironing roller 19, one side of the surface of vehicle body 1 is fixedly connected with limiting block 2, one side of the top of limiting block 2 is installed with second motor 20, the output end of second motor 20 is connected with threaded rotating shaft 23, the surface of threaded rotating shaft 23 is screw connected with movable block 22, one side of movable block 22 is fixedly connected with fixed block 13, one end of fixed block 13 is connected with mounting frame 3, one side of mounting frame 3 is installed with first motor 16, the output end of first motor 16 is connected with first rotating shaft 14, one end of first rotating shaft 14 is connected with material discharging roller 15.
[0024] In the embodiment: the civil membrane is mechanically cut by cutting knife 10, after the laying and welding of the civil membrane are completed, manual cutting is not needed, work efficiency is improved, the appearance of the cutting part of the civil membrane is improved, construction process is shortened, and labor cost is reduced.
[0025] In the embodiment: through the first motor 16 drives the first rotating shaft and the feeding roller 15 to realize automatic feeding, the second motor 20 is controlled to move up and down, the movable block 22 and the mounting frame 3 are driven to move up and down, so that accurate positioning and continuous operation in the welding process are realized, manual intervention is greatly reduced, and the laying and welding efficiency is improved.
[0026] In the embodiment: the staff can conveniently move the device to the corresponding position through the rotating rod 8 and the wheel 5, manpower consumption is saved, the handle 4 can conveniently control the direction of the device during movement, the operability of the device is improved, the labor intensity of the operator is reduced, and the ergonomics requirement is met.
[0027] In the embodiment: the two groups of corresponding installed pressing rollers 19 can simultaneously heat press and weld the civil engineering membranes on the left and right sides, the working time is shortened, the repeated work process is reduced, and the welding positions of the civil engineering membranes on the left and right sides are more uniform.
[0028] In the embodiment: the reinforcing rib 17 can improve the connection strength between the connecting bearing plate 11 and the connecting block 6, avoid deformation after long-term use, prolong the service life of the equipment, and reduce the production cost.
[0029] The working principle and use process of the utility model: after the utility model is installed, the civil engineering membrane to be laid is wound on the surface of the feeding roller 15, the second motor 20 is started, the threaded rotating shaft 23 is driven to rotate, the movable block 22 is driven to move under the limitation of the limiting groove 21, the mounting frame 3 and the feeding roller 15 are driven to move, the feeding roller 15 is moved to the corresponding position, the first motor 16 is started, the first rotating shaft 14 is driven to rotate, the feeding roller 15 is driven to rotate, the civil engineering membrane is thrown from the surface of the feeding roller 15, then the device is pushed forward through the handle 4, the second electric hydraulic push rod 12 is started, the connecting block 6 and the pressing roller 19 are driven to move downward, the pressing roller 19 is contacted with the surface of the civil engineering membrane and the device is pushed to realize the laying of the civil engineering membrane, the pressing roller 19 is electrified to generate heat, the interfaces between the civil engineering membranes are welded through the heat pressing mode, when the laying and welding of a place are completed, the first electric hydraulic push rod 9 is started, the cutting knife 10 is driven to move downward, the cutting knife 10 is moved downward and cuts the civil engineering membrane, the above operation is repeated after cutting, and all the electrical equipment in the device is powered through an external power supply.
[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.
Claims
1. A laying and welding device for civil membranes, comprising a vehicle body (1), characterized in that: The middle part of the lower surface of the vehicle body (1) is provided with a second electric hydraulic push rod (12), one end of the second electric hydraulic push rod (12) is connected with a bearing plate (11), one side of the bottom of the bearing plate (11) is fixedly provided with a connecting block (6), both sides of the inner surface of the connecting block (6) are connected with a second rotating shaft (18), one end of the second rotating shaft (18) is connected with a pressing roller (19), one side of the surface of the vehicle body (1) is fixedly connected with a limiting block (2), one side of the top of the limiting block (2) is provided with a second motor (20), the output end of the second motor (20) is connected with a threaded rotating shaft (23), the surface of the threaded rotating shaft (23) is threadedly connected with a movable block (22), one side of the movable block (22) is fixedly connected with a fixed block (13), one end of the fixed block (13) is connected with a mounting frame (3), one side of the mounting frame (3) is provided with a first motor (16), the output end of the first motor (16) is connected with a first rotating shaft (14), one end of the first rotating shaft (14) is connected with a feeding roller (15).
2. A laying and welding apparatus for geotechnical membranes according to claim 1, characterized in that: One side of the lower surface of the vehicle body (1) is provided with a first electric hydraulic push rod (9), one end of the first electric hydraulic push rod (9) is connected with a cutting knife (10).
3. A laying and welding apparatus for geotechnical membranes according to claim 1, characterized in that: The inside of the limiting block (2) is provided with a limiting groove (21), and the surface of the limiting groove (21) is in sliding connection with the surface of the movable block (22).
4. A laying and welding apparatus for geotechnical membranes according to claim 1, characterized in that: Both sides of the lower surface of the vehicle body (1) are fixedly connected with concave connecting blocks (7), the inside of the concave connecting blocks (7) is connected with rotating rods (8), both ends of the rotating rods (8) are connected with wheels (5).
5. A laying and welding apparatus for geotechnical membranes according to claim 1, characterized in that: Both sides of the surface of the bearing plate (11) are fixedly connected with reinforcing ribs (17), and the other side of the reinforcing rib (17) is fixedly connected with the top of the connecting block (6).
6. A laying and welding apparatus for geotechnical membranes according to claim 1, characterized in that: One side of the vehicle body (1) is fixedly connected with a handle (4).
7. A laying and welding apparatus for geotechnical membranes according to claim 1, characterized in that: The number of the connecting blocks (6) and the pressing rollers (19) is two groups, and the two groups of connecting blocks (6) and pressing rollers (19) are correspondingly installed.