A gantry spray device
The mechanized spraying of tunnel segments by using a truss-type spraying device solves the problems of low efficiency, poor uniformity and insufficient safety of manual spraying of release agent, improves spraying efficiency and quality, and ensures the stability and safety of spraying.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU FENGHE TUNNEL EQUIP CO LTD
- Filing Date
- 2025-06-05
- Publication Date
- 2026-06-05
AI Technical Summary
In the current tunnel segment production process, manual spraying of release agent has problems such as high labor intensity, low efficiency, poor spray uniformity, and insufficient safety.
A truss-type spraying device is adopted to spray the release agent through mechanized spraying. It includes a frame, guide rail, drive mechanism, robot arm and spray gun to improve the stability and smoothness of spraying. It is also equipped with a flow guide, limit block, position sensor and detection mechanism to improve the spraying quality and safety.
It reduces manual labor intensity, improves spraying efficiency and quality, ensures uniformity and safety of spraying, reduces liquid splashing, and improves equipment safety and spraying accuracy.
Smart Images

Figure CN224321665U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of shield tunnel segment spraying technology, and in particular to a truss-type spraying device. Background Technology
[0002] Tunnel segments, as core precast components in tunnel construction, bear the crucial responsibility of forming the tunnel lining structure and ensuring tunnel stability and safety. Their production process is rigorous and complex, encompassing multiple key stages such as mold preparation, concrete pouring, curing, and demolding. Among these, the use of release agents is paramount to ensuring smooth demolding of the segments and preventing damage to the mold and the surface quality of the segments. Currently, the mainstream practice in segment production is to manually spray the release agent. This method has the following problems: high labor intensity, low efficiency, compromised worker safety, poor spray uniformity, widespread dripping and waste, and is time-consuming and labor-intensive. Utility Model Content
[0003] This application provides a truss-type spraying device that reduces manual labor intensity, improves spraying efficiency, and ensures spraying quality by mechanizing the spraying of release agent.
[0004] The first aspect of this application provides a truss-type spraying apparatus, comprising:
[0005] A frame in which a spraying station is formed;
[0006] The first guide rail is connected to the frame;
[0007] The second guide rail is arranged parallel to and spaced apart from the first guide rail, and is connected to the frame;
[0008] The traveling beam is slidably mounted on the first guide rail and the second guide rail;
[0009] A first drive mechanism is connected to the traveling beam and is used to drive the traveling beam to move along the first guide rail;
[0010] The second drive mechanism is connected to the traveling beam and is used to drive the traveling beam to move along the second guide rail;
[0011] A robotic arm is connected to the traveling beam;
[0012] The spray gun is connected to the robotic arm.
[0013] The beneficial effects of the above embodiments are as follows: by using the first drive mechanism and the second drive mechanism to drive the walking beam at both ends, the stability and smoothness of the spray gun movement are improved, and the function of spraying the inner cavity of the mold is realized through the spray gun, thereby avoiding direct manual participation in the spraying operation, reducing labor costs, and improving spraying efficiency and quality.
[0014] Based on the above embodiments, the embodiments of this application can be further improved as follows:
[0015] In one embodiment of this application, it further includes a flow guide, which is connected to the nozzle of the spray gun. The beneficial effect of this step is that the flow guide prevents liquid splashing and improves the accuracy of mold release agent spraying.
[0016] In one embodiment of this application, it further includes a limiting block connected to the frame, the limiting block being used to limit the extreme positions of the traveling beam's movement. The beneficial effect of this step is to prevent the measuring instrument from falling off the frame, thereby improving equipment safety.
[0017] In one embodiment of this application, it further includes a position sensor disposed in the workstation, the position sensor being used to detect the mold position. The advantage of this step is that it facilitates identification of whether the mold is in position.
[0018] In one embodiment of this application, it further includes: a testing mechanism, which is disposed in the workstation and is used to test the mold. The beneficial effect of this step is that it facilitates the identification of the mold model.
[0019] In one embodiment of this application, it further includes a spray tank, which is disposed adjacent to the frame. Attached Figure Description
[0020] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.
[0021] Figure 1 This is a schematic diagram of a truss-type spraying device.
[0022] Figure 2 This is a partial structural diagram of a truss-type spraying device.
[0023] The components include: 1. Frame; 2. First guide rail; 3. Second guide rail; 4. Traveling beam; 5. First drive mechanism; 501. First slide plate; 502. First motor; 503. First gear; 504. First rack; 6. Second drive mechanism; 601. Second slide plate; 602. Second motor; 603. Second gear; 604. Second rack; 7. Robotic arm; 8. Spray gun; 9. Flow guide; 10. Limiting block; 11. Spray tank. Detailed Implementation
[0024] In this application, unless otherwise expressly specified and limited, the terms used should be interpreted broadly. For example, a connection can be a fixed connection, a detachable connection, or an integral part; it can be a direct connection or an indirect connection through an intermediate medium. If electrical or electronic equipment is involved, it can also refer to an electrical connection or a communication signal connection, etc. For those skilled in the art, the specific meaning of different terms in this utility model can be understood according to the specific circumstances, and the scope of the specific meaning should be limited to achieving the function of this application.
[0025] In the description of this application, it should be understood that the directional terms or positional relationships described are based on the orientation or positional relationships shown in the accompanying drawings, or based on the orientation or positional relationships in actual use, and are only for the purpose of facilitating the description of the contents of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0026] Example 1
[0027] like Figure 1 , 2 As shown, a truss-type spraying device includes: a frame 1, a first guide rail 2, a second guide rail 3, a traveling beam 4, a first drive mechanism 5, a second drive mechanism 6, a robotic arm 7, and a spray gun 8. A spraying station is formed in the frame 1. The first guide rail 2 is connected to the frame 1. The second guide rail 3 is arranged parallel to and spaced apart from the first guide rail 2 and connected to the frame 1. The traveling beam 4 is slidably disposed on the first guide rail 2 and the second guide rail 3. The first drive mechanism 5 is connected to the traveling beam 4 and is used to drive the traveling beam 4 to move along the first guide rail 2. The second drive mechanism 6 is connected to the traveling beam 4 and is used to drive the traveling beam 4 to move along the second guide rail 3. The robotic arm 7 is connected to the traveling beam 4, and the spray gun 8 is connected to the robotic arm 7.
[0028] Specifically, such as Figure 1 As shown, the frame 1 includes: uprights, crossbeams, longitudinal beams, and diagonal braces. There are four uprights with their lower ends connected to the ground. Two uprights form a group with a crossbeam installed at their upper end. The ends of the two crossbeams are connected by a longitudinal beam. The diagonal braces connect the uprights and the crossbeams. The uprights, crossbeams, longitudinal beams, and diagonal braces form a frame structure and support each other, giving the frame 1 good structural strength.
[0029] Specifically, such as Figure 2 As shown, there are two first guide rails 2, one of which is horizontal and has a crossbeam installed on it. There are two second guide rails 3, one of which is horizontal and has another crossbeam installed on it. There is a first gap between the two first guide rails 2 and a second gap between the two second guide rails 3. A first slider is also slidably mounted on the first guide rail 2 and a second slider is also slidably mounted on the second guide rail 3.
[0030] Specifically, such as Figure 2 As shown, the first drive mechanism 5 includes: a first slide plate 501, a first motor 502, a first gear 503, and a first rack 504. The first slide plate 501 is mounted on the upper end of the first slider. The first motor 502 is connected to the first slide plate 501. The output shaft of the first motor 502 is arranged vertically downward. The output shaft passes through the first slide plate 501 and is connected to the first gear 503. The first gear 503 meshes with the first rack 504, which is arranged in the first gap. The first rack 504 is parallel to the first guide rail 2 and is mounted on the crossbeam.
[0031] Specifically, such as Figure 2 As shown, the second drive mechanism 6 includes: a second slide plate 601, a second motor 602, a second gear 603, and a second rack 604. The second slide plate 601 is mounted on the upper end of the second slider. The second motor 602 is connected to the second slide plate 601. The output shaft of the second motor 602 is arranged vertically downward. The output shaft passes through the second slide plate 601 and is connected to the second gear 603. The second gear 603 meshes with the second rack 604, which is arranged in the second gap. The second rack 604 is parallel to the second guide rail 3 and is mounted on another crossbeam.
[0032] Specifically, such as Figure 2 As shown, one end of the traveling beam 4 is connected to the first sliding plate 501, and the other end is connected to the second sliding plate 601.
[0033] Specifically, the robotic arm 7 is a painting robot, which is an existing product and can be purchased directly. The lower middle end of the walking beam 4 is equipped with a connecting plate. The fixed end of the robotic arm 7 is installed on the connecting plate, and the output end of the robotic arm 7 is equipped with a bracket, which has an L-shaped structure.
[0034] Specifically, spray gun 8 is an automatic spray gun, which is an existing product and can be purchased directly. Spray gun 8 is installed on a bracket.
[0035] When this truss-type spraying device is in operation, the first drive mechanism 5 and the second drive mechanism 6 drive the walking beam 4 at both ends of the measuring device to improve the stability and smoothness of the spray gun 8 movement, and the spray gun 8 realizes the function of spraying release agent into the mold cavity.
[0036] Example 2
[0037] Based on Example 1, such as Figure 1 As shown, the truss-type spraying device also includes a flow guide 9, which is connected to the nozzle of the spray gun 8. The flow guide 9 guides the liquid to avoid splashing and improves the accuracy of the release agent spraying.
[0038] Specifically, the flow deflector 9 has a cone-shaped structure, with the small end of the flow deflector 9 installed at the nozzle and covering the nozzle on the inside.
[0039] Example 3
[0040] Based on any of the foregoing embodiments, such as Figure 2 As shown, the truss-type spraying device also includes: a limiting block 10, which is connected to the frame 1. The limiting block 10 is used to limit the extreme position of the movement of the traveling beam 4. The limiting block 10 is installed next to the first guide rail 2 and the second guide rail 3. The limiting block 10 limits the first slider and the second slider. The limiting block 10 prevents the measuring device from falling off the frame 1, thereby improving the safety of the equipment.
[0041] Example 4
[0042] Based on any of the foregoing embodiments, the truss-type spraying device further includes: a position sensor, which is disposed in the workstation and is used to detect the position of the mold.
[0043] Specifically, the position sensor includes a first sensor and a second sensor. Both the first and second sensors are located in the workstation and are spaced apart in the direction of the mold trolley's movement. The first sensor is in a first position in the direction the mold trolley is coming from, and the second sensor is located behind the first sensor and in a second position. The first and second sensors can be proximity switches. The first sensor is used to detect whether the mold trolley has entered the workstation, and the second position sensor is used to detect whether the mold trolley has moved into position. Both the first and second sensors are connected to the electrical control signals of the control system that controls the movement of the mold trolley. This control system can be an industrial computer or a PLC controller, etc. The position of the mold trolley is detected by the first and second sensors to facilitate guiding the mold trolley to move into position.
[0044] Example 5
[0045] Based on any of the foregoing embodiments, the truss-type spraying device further includes: a detection mechanism, which is disposed in the workstation and is used to detect molds.
[0046] Specifically, the testing agency uses an industrial barcode scanner, which is connected to the control system via electrical signals. The control system is the control system of the robotic arm 7, which is an outsourced component. A barcode block is connected to the mold. When the mold trolley moves into position, the industrial barcode scanner scans the barcode on the barcode block and sends the corresponding electrical signal to the control system. The control system determines the type and model of the mold based on the barcode information, and then controls the robotic arm 7 to perform the corresponding spraying action.
[0047] Example 6
[0048] Based on any of the foregoing embodiments, such as Figure 1 As shown, the truss-type spraying device also includes: a spray tank 11, which is arranged adjacent to the frame 1. The spray tank 11 is connected to a pump body through a pipe. The pump body can be a diaphragm pump. The pump body is connected to the spray gun 8 through a pipe connected to the frame 1. The spray tank 11 contains a release agent. Placing the spray tank 11 next to the frame 1 makes it easy to replenish the release agent when it is exhausted.
[0049] The above are merely embodiments of this utility model. Commonly known structures and characteristics are not described in detail here. Those skilled in the art are aware of all common technical knowledge in the field prior to the application date or priority date, are aware of all existing technologies in that field, and have the ability to apply conventional experimental methods prior to that date. Those skilled in the art can, based on the guidance provided in this application, improve and implement this solution in combination with their own capabilities. Some typical known structures or methods should not be obstacles for those skilled in the art to implement this application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of this utility model. These should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent.
Claims
1. A truss-type spraying device, characterized in that, include: A frame in which a spraying station is formed; The first guide rail is connected to the frame; The second guide rail is arranged parallel to and spaced apart from the first guide rail, and is connected to the frame; The traveling beam is slidably mounted on the first guide rail and the second guide rail; A first drive mechanism is connected to the traveling beam and is used to drive the traveling beam to move along the first guide rail; The second drive mechanism is connected to the traveling beam and is used to drive the traveling beam to move along the second guide rail; A robotic arm is connected to the traveling beam; The spray gun is connected to the robotic arm.
2. The truss-type spraying device according to claim 1, characterized in that, Also includes: A flow deflector is attached to the nozzle of the spray gun.
3. The truss-type spraying device according to claim 1, characterized in that, Also includes: A limiting block is connected to the frame and is used to limit the extreme positions of the movement of the traveling beam.
4. The truss-type spraying device according to claim 1, characterized in that, Also includes: A position sensor is provided at the workstation and is used to detect the position of the mold.
5. The truss-type spraying device according to claim 1, characterized in that, Also includes: An inspection mechanism is provided in the workstation and is used to inspect molds.
6. The truss-type spraying device according to claim 1, characterized in that, Also includes: A spray tank is provided adjacent to the frame.