Prefabricated shield segment floor mold open type hopper rainproof device
By designing a detachable prefabricated shield pipe sheet ground mold open hopper rainproof device, the problem of production shutdown in heavy rain weather is solved, the rainproof function of the hopper is realized, and production continuity and economic benefits are improved.
Patent Information
- Application Number
- CN202422489130.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-10-15
AI Technical Summary
In the prior art, the pouring process of prefabricated shield pipe sheets is easily affected by weather, especially in heavy rainy weather, which leads to production shutdowns and reduces production capacity and economic benefits.
A prefabricated shield pipe sheet floor molding open hopper rainproof device is designed. Through a detachable connection structure and rain-shading rolling system, the hopper rainproof function is realized, including connecting rods, sliding blocks, push rods, support tables, rain-shading modules and return springs, which facilitates equipment disassembly and support coverage of rain-shading cloth.
Effectively prevent rainwater from entering the hopper, reduce the space occupied by equipment, improve production continuity and economic benefits, and ensure construction progress.
Smart Images

Figure CN223072370U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of rainproof devices, in particular to a rainproof device for a prefabricated shield segment ground mold open type hopper. Background Art
[0002] With the vigorous development of prefabricated buildings in my country, the prefabricated shield segment industry is thriving. The shield segment is the key structure inside the tunnel, and its quality directly affects the safety and life of the tunnel. For most factories, considering economic conditions, they will open a production line for ground mold casting segments.
[0003] The casting process of shield segments requires a flatbed truck carrying two open hoppers on top to transport concrete from a concrete mixing station in turn for casting. This method of transportation and casting is greatly affected by the weather. If heavy rain occurs during the casting process, the ground mold production line will be forced to stop working due to rainwater entering the hopper, reducing the production capacity of the workshop, affecting the overall construction progress, and greatly reducing the economic benefits.
[0004] Therefore, those skilled in the art provide a rainproof device for an open hopper of a prefabricated shield segment ground mold to solve the problems raised in the above-mentioned background technology. Utility Model Content
[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a rainproof device for an open hopper of a prefabricated shield segment ground mold is proposed. The rainproof device is easy to disassemble, so that the equipment can be disassembled during transportation, so that the space occupied by the equipment during transportation can be reduced. When rain protection is needed, the tarpaulin roll can be pulled so that the tarpaulin can reach the outside of the rainproof module, and the rotating rod can support the tarpaulin so that the tarpaulin covers the upper end of the hopper.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a prefabricated shield segment ground mold open hopper rainproof device, comprising a connecting rod, the outer surface of the connecting rod is provided with sliding blocks on both sides of the thread sleeve, the rear end surfaces of the two sliding blocks are both threaded with a fixing plate, the upper end surfaces of the two sliding blocks are both fixedly provided with a first electric push rod, and the upper end surfaces of the two electric push rods are both fixedly provided with a support platform;
[0007] The upper end surfaces of the two support platforms are both threaded with rainproof modules, and the upper and lower end surfaces of the rainproof modules are rotatably provided with rotating rods. The rainproof module includes a placement box, and return springs are clamped on both sides of the bottom surface of the placement box. One side of the two return springs is clamped with a rotating shaft, and the outer surface of the rotating shaft is wrapped with a rainproof cloth roll.
[0008] Further, a connecting plate is fixedly arranged in the middle of the rear end face of the connecting rod, and first fixing screws are threadedly sleeved at the four corners of the front end face of the connecting plate.
[0009] Further, four connecting screws are threadedly sleeved on the rear end faces of both of the fixing plates, and a plurality of connecting holes are formed in the front end faces of both of the fixing plates.
[0010] Further, four connecting screws are threadedly sleeved on the rear end faces of both of the fixing plates, and a plurality of connecting holes are formed in the front end faces of both of the fixing plates.
[0011] Further, a pull rod is fixedly arranged on the front end face of the rain shielding module, and a plurality of second threaded holes are formed on both sides of the upper end face of the pull rod.
[0012] Further, partition plates are fixedly arranged on both sides of the inner bottom surface of the placing box.
[0013] Further, second fixing screws are threadedly sleeved on both sides of the upper end face of the rain shielding module.
[0014] The utility model has the following beneficial effects:
[0015] 1. For a rain-proof device for an open hopper of a precast shield segment ground mold proposed by the utility model, when in use, the connecting rod is threadedly connected with the sliding block, an electric push rod is fixedly arranged on the upper end face of the sliding block, a support platform is fixedly arranged on the upper end face of the electric push rod, and the support platform is threadedly connected with the rain shielding module, so that when the equipment is damaged, the damaged parts can be conveniently replaced, and at the same time, when the equipment is transported, it can be conveniently disassembled and then transported, which can effectively reduce the space occupied by the overall transportation.
[0016] 2. For a rain-proof device for an open hopper of a precast shield segment ground mold proposed by the utility model, rotating rods are rotatably arranged on both the upper and lower end faces of the rain shielding module. The rain shielding module includes a placing box, a return spring is arranged inside the placing box, the return spring is connected with a rotating shaft, and the rotating shaft is connected with a rain shielding cloth roll. When rain protection is needed, the rain shielding cloth roll can be pulled, so that the rain shielding cloth can reach the outside of the rain shielding module, and the rotating rods can support the rain shielding cloth, so that the rain shielding cloth covers the upper end of the hopper to prevent rainwater from entering the inside of the hopper. When the rain stops, the rotating rods can be put back to their original positions, and the return spring will cause the rotating shaft to rotate to roll up the rain shielding cloth. Description of the Drawings
[0017] Figure 1 is the main view shaft side schematic diagram of the utility model;
[0018] Figure 2 is the rear view shaft side schematic diagram of the utility model;
[0019] Figure 3It is a top - view axonometric schematic diagram of the present utility model;
[0020] Figure 4 It is a front - sectional schematic diagram of the partial structure of the rain - shielding module of the present utility model.
[0021] Legend Explanation:
[0022] 1. Connecting rod; 2. Sliding block; 3. Fixed plate; 4. Connecting hole; 5. First fixing screw; 6. Connecting plate; 7. Rain - shielding module; 8. Support platform; 9. Electric push rod; 10. Connecting screw; 11. Second fixing screw; 12. Rotating rod; 13. First threaded hole; 14. Fixed block; 15. Second threaded hole; 16. Pull rod; 701. Placing box; 702. Partition board; 703. Return spring; 704. Rain - shielding cloth roll; 705. Rotating shaft. Specific Embodiment
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
[0024] Refer to Figures 1-3 , an embodiment provided by the present utility model: A rain - proof device for an open - type hopper of a pre - fabricated shield segment ground mold, including a connecting rod 1. On both sides of the outer surface of the connecting rod 1, sliding blocks 2 are threadedly sleeved. On the rear end surfaces of the two sliding blocks 2, fixed plates 3 are threadedly sleeved. On the upper end surfaces of the two sliding blocks 2, first electric push rods 9 are fixedly arranged. On the upper end surfaces of the two electric push rods 9, support platforms 8 are fixedly arranged;
[0025] On the upper end surfaces of the two support platforms 8, rain - shielding modules 7 are threadedly sleeved. On the upper and lower end surfaces of the rain - shielding module 7, rotating rods 12 are rotatably arranged. In the middle of the rear end surface of the connecting rod 1, a connecting plate 6 is fixedly arranged. On the four corners of the front end surface of the connecting plate 6, first fixing screws 5 are threadedly sleeved. On the rear end surfaces of the two fixed plates 3, four connecting screws 10 are threadedly sleeved. On the front end surfaces of the two fixed plates 3, a plurality of connecting holes 4 are opened. On the rear end surfaces of the two fixed plates 3, four connecting screws 10 are threadedly sleeved. On the front end surfaces of the two fixed plates 3, a plurality of connecting holes 4 are opened. On the front end surface of the rain - shielding module 7, a pull rod 16 is fixedly arranged. On both sides of the upper end surface of the pull rod 16, a plurality of second threaded holes 15 are opened. On both sides of the upper end surface of the rain - shielding module 7, second fixing screws 11 are threadedly sleeved.
[0026] Specifically, when in use, sliding blocks 2 are arranged on both sides of the outer surface of the connecting rod 1. The rear end face of the sliding block 2 is connected through four fixing connecting screws 10 and a fixing plate 3. The fixing plate 3 is provided with a plurality of connecting holes 4. When screws are placed inside the connecting holes 4, the device can be connected to the flatbed truck, enabling the device to shelter the hopper on the upper end of the flatbed truck from rain. In the middle of the rear end of the connecting rod 1, a connecting plate 6 is fixedly arranged. The connecting plate 6 can be connected to the flatbed truck through the first fixing screw 5, making the connection between the device and the flatbed truck more firm. An electric push rod 9 is arranged on the upper end face of the sliding block 2. The electric push rod 9 can adjust the height of the device. A support platform 8 is arranged on the upper end face of the electric push rod 9. The support platform 8 is connected to the rain shelter module 7 through the second fixing screw 11. A pull rod 16 is arranged on the front end face of the rain shelter module 7. When the pull rod 16 is pulled, the rain shelter module 7 can be opened. Rotating rods 12 are rotatably arranged on both the upper and lower end faces of the rain shelter module 7. A first threaded hole 13 is opened in the fixing block 14 fixed to the rotating rod 12. When screws are placed inside the first threaded hole 13, they can be connected to the second threaded hole 15 opened in the pull rod 16, enabling the rotating rod 12 to support the pull rod 16.
[0027] Referring to Figure 4 , the rain shelter module 7 includes a placement box 701. On both sides of the inner bottom surface of the placement box 701, return springs 703 are snap-fitted. On one side of each of the two return springs 703, a rotating shaft 705 is snap-fitted. A rain shelter cloth roll 704 is wound around the outer surface of the rotating shaft 705. On both sides of the inner bottom surface of the placement box 701, partition plates 702 are fixedly arranged.
[0028] Specifically, when in use, when the rain shelter module 7 is opened, it can cover the upper end of the hopper to prevent rainwater from entering the inside of the hopper during rain, damaging the cement inside the hopper. The rain shelter module 7 has a placement box 701. A partition plate 702 is arranged inside the placement box 701. The partition plate 702 can divide the inside of the placement box 701, enabling the rotating shaft 705 to remain stable during rotation. The spaces separated by the partition plate 702 on both sides inside the placement box 701 can place the return springs 703. The return springs 703 are connected to the rotating shaft 705, enabling the rotating shaft 705 to return to its original position after rotation. A rain shelter cloth roll 704 is arranged on the outer surface of the rotating shaft 705, allowing the rain shelter cloth roll 704 to continue to be wound around the outer surface of the rotating shaft 705 after use.
[0029] Working principle: In the middle of the rear end of the connecting rod 1, a connecting plate 6 is fixedly arranged. The connecting plate 6 can be connected to the flatbed truck through the first fixing screw 5, making the connection between the device and the flatbed truck more firm. An electric push rod 9 is arranged on the upper end face of the sliding block 2. The electric push rod 9 can adjust the height of the device;
[0030] The upper end surface of the electric push rod 9 is provided with a support platform 8, and the support platform 8 is connected to the rain shielding module 7 through the second fixing screw 11. When the rain shielding module 7 is opened, it can cover the upper end of the hopper to prevent rainwater from entering the inside of the hopper and damaging the cement inside the hopper.
[0031] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. An open hopper rainproof device for the ground mold of precast shield segments, including a connecting rod (1), characterized in that: On both sides of the outer surface of the connecting rod (1), sliding blocks (2) are threadedly sleeved. On the rear end faces of the two sliding blocks (2), fixing plates (3) are threadedly sleeved. On the upper end faces of the two sliding blocks (2), first electric push rods (9) are fixedly arranged. On the upper end faces of the two electric push rods (9), support platforms (8) are fixedly arranged; On the upper end faces of the two support platforms (8), rain shielding modules (7) are threadedly sleeved. On the upper and lower end faces of the rain shielding module (7), rotating rods (12) are rotatably arranged. The rain shielding module (7) includes a placement box (701). On both sides of the inner bottom surface of the placement box (701), return springs (703) are snap-fitted. On one side of the two return springs (703), rotating shafts (705) are snap-fitted. On the outer surface of the rotating shaft (705), a rain shielding cloth roll (704) is wound.
2. The rain-proof device for the open hopper of the precast shield segment ground mold according to claim 1, characterized in that: In the middle of the rear end face of the connecting rod (1), a connecting plate (6) is fixedly arranged. At the four corners of the front end face of the connecting plate (6), first fixing screws (5) are threadedly sleeved.
3. The rainproof device for the open hopper of the precast shield segment ground mold according to claim 1, characterized in that: On the rear end faces of the two fixing plates (3), four connecting screws (10) are threadedly sleeved. On the front end faces of the two fixing plates (3), a plurality of connecting holes (4) are opened.
4. The rain-proof device for the open hopper of the precast shield segment formwork according to claim 1, characterized in that: On one side of the two rotating rods (12), fixing blocks (14) are fixedly arranged. On the upper end faces of the two fixing blocks (14), a plurality of first threaded holes (13) are opened.
5. The rain-proof device for the open hopper of the precast shield segment ground mold according to claim 1, characterized in that: On the front end face of the rain shielding module (7), a pull rod (16) is fixedly arranged. On both sides of the upper end face of the pull rod (16), a plurality of second threaded holes (15) are opened.
6. The rainproof device for the open hopper of the precast shield segment ground mold according to claim 1, characterized in that: On both sides of the inner bottom surface of the placement box (701), partition plates (702) are fixedly arranged.
7. The rain-proof device for the open hopper of the precast shield segment ground mold according to claim 1, characterized in that: On both sides of the upper end face of the rain shielding module (7), second fixing screws (11) are threadedly sleeved.