Rubber dam bag protection device

Abstract

The rubber dam bag protection device comprises a dam bag winding roller, and the axial width of the dam bag winding roller is larger than half of the circumferential length of the cross section of a rubber dam bag; the rolling device is rotationally connected to a center shaft of the dam bag winding roller and stretches out towards one side of the dam bag winding roller, and the raking device is connected to the rolling device and stretches out towards one side of the rolling device; the raking device and the rolling device are located on the same side of the dam bag winding roller, and the rolling device is located between the raking device and the dam bag winding roller. According to the scheme, manual pulling winding is avoided, during installation, the dam bag winding roller is pushed to a destination, the dam bag is directly put down to the needed position through rotating walking, laying is directly completed, manual pulling laying is avoided, and laying efficiency is improved. And only fixing and water filling are needed in the follow-up process, even if the rubber dam bag meets a hard stone body, the rubber dam bag cannot be abraded due to repeated friction with the hard stone body, and the safety of the rubber dam bag in the mounting and dismounting process is greatly protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of hydraulic engineering especially relates to a rubber dam bag protection device. BACKGROUND

[0002] The rubber dam bag is made of high-strength synthetic fiber fabric as a stress skeleton, coated with rubber as a protective layer inside and outside, processed into a rubber cloth, and then anchored on the bottom plate to form a closed dam bag. The dam bag is inflated by water through the filling and draining pipeline to form a bag-type water retaining dam. The dam bag needs to be first inspected on site before being transported to the site, and then laid on the installation position. During the process of transportation and laying, it is inevitable to cause wear and tear, which leads to damage to the dam bag. The existing technology has a protection device for the rubber dam bag, but most of them are for protection against sharp objects in water or water flow impact. For example, the rubber dam protection device disclosed in patent CN204753512U is designed to prevent sharp objects from piercing or hard objects from causing damage to the dam bag during use. However, in fact, dam bag wear and tear and piercing not only occur easily during use, but also easily occur during transportation, laying, and other installation processes, especially during installation and disassembly, which requires repeated pulling of the rubber dam bag, making it more likely to cause wear and tear to the rubber dam bag. The existing technology does not have a protection device designed based on the above situation. SUMMARY

[0003] The existing protection device for the rubber dam bag is mostly designed to protect the rubber dam bag from damage caused by sharp objects in water or water flow impact. However, dam bag wear and tear and piercing can easily occur during transportation and laying, and especially during installation and disassembly, which requires repeated pulling of the rubber dam bag, making it more likely to cause wear and tear to the rubber dam bag. The present application designs a rubber dam bag protection device, which adopts the technical scheme of:

[0004] A rubber dam bag protection device, comprising:

[0005] A dam bag winding roller, the axial width of the dam bag winding roller is greater than half of the circumference of the rubber dam bag in its cross-section;

[0006] A rolling device, the rolling device is rotationally connected to the center shaft of the dam bag winding roller and extends to one side of the dam bag winding roller,

[0007] A harrow device, the harrow device is connected to the rolling device and extends to one side of the rolling device; the harrow device and the rolling device are located on the same side of the dam bag winding roller, and the rolling device is located between the harrow device and the dam bag winding roller.

[0008] Preferably, the dam bag winding roller comprises a center shaft and two rollers, the two rollers are connected to the two ends of the center shaft, and a clamping component is further provided on the center shaft, the clamping component comprises a clamping jaw, one end of the clamping jaw is hinged to the center shaft and a torsional spring is provided between the clamping jaw and the center shaft, and the other end of the clamping jaw extends along the circumferential direction of the center shaft.

[0009] Preferably, three clamping components are provided, and the three clamping components are arranged at intervals along the length direction of the central shaft.

[0010] Preferably, the rolling device comprises a roller and two connecting rods, and the two ends of the roller are connected to the central shaft through the two connecting rods.

[0011] Preferably, the connecting rod is connected to the central shaft through a rotating connecting head.

[0012] Preferably, the central shaft is provided with two baffle plates at positions close to the two ends thereof, each connecting rod is located between a baffle plate and the roller, and the distance between the two baffle plates is greater than half the circumference of the rubber dam bag in the cross section thereof.

[0013] Preferably, the raking device comprises a cross beam, the two ends of the cross beam are connected to the two connecting rods through two connecting rods, and a plurality of rake teeth are arranged on the cross beam along the length direction thereof.

[0014] Preferably, one end of the connecting rod is hinged to the connecting rod, a supporting rod is further arranged on the connecting rod, the supporting rod is provided with a plurality of locking holes at the end away from the connecting rod and on the side surface of the connecting rod, the locking holes on the supporting rod and the locking holes on the side surface of the connecting rod are aligned and a locking pin is inserted into the locking holes to fix the connecting rod.

[0015] The above technical solution has the following beneficial effects:

[0016] The above technical solution can avoid repeatedly pulling the dam bag during installation and disassembly of the rubber dam bag, directly wind the dam bag onto the dam bag winding roller during disassembly, avoid manual pulling and winding, directly place the dam bag to the required position by rotating and walking during installation, directly complete laying, avoid manual pulling and laying, and only need to be fixed and filled with water subsequently, even if hard stone is encountered, the rubber dam bag will not be repeatedly rubbed and worn out, and the safety during installation and disassembly of the rubber dam bag is greatly protected. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a front view of the utility model;

[0018] Figure 2 is a top view of the utility model;

[0019] Figure 3 is a schematic view of the advancing direction of the dam bag winding roller during laying of the rubber dam bag;

[0020] Figure 4 is a schematic view of the advancing direction of the dam bag winding roller during winding of the rubber dam bag.

[0021] In the figure, 1, dam bag winding roller, 101, idler, 102, center shaft, 2, baffle disc, 3, rolling device, 301, roller, 302, connecting rod, 4, clamping part, 5, rake device, 501, crossbeam, 502, connecting rod, 503, tine, 6, support rod, 7, locking hole, 8, locking pin. DETAILED DESCRIPTION

[0022] To clearly illustrate the technical features of the present scheme, the present application will be described in detail below through specific embodiments and in conjunction with the accompanying drawings.

[0023] In addition, in the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0024] As shown in Figures 1-4 A rubber dam bag protection device, comprising a dam bag winding roller 1, a rolling device 3 and a rake device 5. The axial width of the dam bag winding roller 1 is greater than half the circumference of the rubber dam bag in its cross section, so that the rubber dam bag is conveniently wound or lowered. The rolling device 3 is rotatably connected to the center shaft 102 of the dam bag winding roller 1. Specifically, the rolling device 3 is rotatably connected to the center shaft 102 of the dam bag winding roller 1 through a bearing, and the rolling device 3 is arranged to protrude to one side of the dam bag winding roller 1. The rolling device 3 can roll on the ground when laying the rubber dam bag, and can flatten the protruding objects or sharp objects on the ground, reducing the damage of the protruding objects or sharp objects on the rubber dam bag. In order to cooperate with the rolling device 3 to flatten the protruding objects or sharp objects on the ground, the rake device 5 is connected to the rolling device 3. The rake device 5 protrudes to one side of the rolling device 3. The rake device 5 and the rolling device 3 are located on the same side of the dam bag winding roller 1, and the rolling device 3 is located between the rake device 5 and the dam bag winding roller 1. In this way, when the rake device 5 is laying the rubber dam bag, the rake device 5 first rakes the ground to rake out the protruding objects or sharp objects on the ground, especially the sharp objects or protruding objects standing on the ground. The rake device 5 can turn them over and flatten them, cooperating with the rolling device 3 to reduce the damage to the rubber dam bag.

[0025] It should be understood that the above-mentioned dam bag winding roller 1 generally needs to be disassembled in the river channel when winding the dam bag. Before winding, the water (gas) in the dam bag needs to be drained first. When the dam bag needs to be laid, it needs to be laid before flushing.

[0026] Further, the specific structure of the dam bag winding roller 1 includes the above-mentioned central shaft 102 and two rollers 101, the two rollers 101 are correspondingly fixed at the two ends of the central shaft 102, and the central shaft 102 is further provided with a clamping component 4 for fixing the end of the rubber dam bag and facilitating winding. The structure of the clamping component 4 specifically includes a clamping jaw, one end of the clamping jaw is hinged to the central shaft 102, specifically, a hinge groove required for hinging can be processed on the central shaft 102, and then the hinge shaft of the clamping jaw is installed in the groove, and a torsion spring is arranged between the hinge shaft and the central shaft 102, the torsion spring can make the clamping jaw tightly contact with the circumferential surface of the central shaft 102 in a clamping state, and the other end of the clamping jaw extends along the circumferential direction of the central shaft 102 in an arc shape, when clamping is needed, the clamping jaw is manually operated to be opened outward to clamp the end of the rubber dam bag, the clamping component 4 can quickly clamp the end of the rubber dam bag and facilitate winding of the dam bag.

[0027] Further, in order to adapt to the width of the rubber dam bag, the above-mentioned clamping component 4 is arranged at three positions, and the three clamping components 4 are arranged at intervals along the length direction of the central shaft 102.

[0028] Further, the structure of the above-mentioned rolling device 3 specifically includes a roller 301 and two connecting rods 302, and the two ends of the roller 301 are correspondingly connected with the central shaft 102 through the two connecting rods 302.

[0029] Further, the connecting rod 302 is connected with the central shaft 102 through a rotating connection head, and the rotating connection can adopt a bearing or a mode that the end of the connecting rod 302 is provided with a connecting hole and is sleeved on the central shaft 102.

[0030] Further, in order to prevent the connecting rod 302 of the rolling device 3 from being affected during winding of the rubber dam bag, two blocking discs 2 are correspondingly arranged at the positions close to the two ends of the central shaft 102, each connecting rod 302 is located between the blocking disc 2 and the roller 301, and the distance between the two blocking discs 2 is greater than half of the circumference of the rubber dam bag in the cross section, so that the rubber dam bag is wound between the two blocking discs 2.

[0031] Further, the structure of the above-mentioned raking device 5 specifically includes a cross beam 501, the cross beam 501 is arranged in parallel with the central shaft 102, the two ends of the cross beam 501 are correspondingly connected with the two connecting rods 302 through two connecting rods 502, and a plurality of tines 503 are arranged on the cross beam 501 along the length direction of the cross beam 501.

[0032] Further, one end of the connecting rod 502 is hinged with the connecting rod 302, and the connecting rod 302 is further provided with a supporting rod 6, the supporting rod 6 is provided with locking holes 7 at the end away from the connecting rod 302 and the side of the connecting rod 502, and the locking holes 7 on the supporting rod 6 are provided with multiple, and the locking holes 7 on the side of the connecting rod 502 are also provided with multiple, the connecting rod 502 is fixed by aligning and inserting the locking holes 7 on the supporting rod 6 with the locking holes 7 on the side of the connecting rod 502 with the locking pin 8, and the height of the connecting rod 502 is adjusted by aligning different locking holes 7, so as to adjust the plowing depth.

[0033] The above detailed description cannot be regarded as the limitation of the protection scope of the utility model, and any alternative improvement or transformation made by the person skilled in the art to the utility model embodiment falls within the protection scope of the utility model.

[0034] The part not described in the utility model is the known technology of the person skilled in the art.

Claims

1. A rubber dam pocket protection device, characterized by, The dam bag winding roller comprises a center shaft and two rollers, two ends of the center shaft are correspondingly connected with two ends of the rollers, and a clamping component is further arranged on the center shaft. The clamping component comprises a clamping jaw, one end of the clamping jaw is hinged to the center shaft, and a torsion spring is arranged between the clamping jaw and the center shaft. The clamping component is arranged in three, and the three clamping components are arranged at intervals along the length direction of the center shaft. The rolling device comprises a roller and two connecting rods, and two ends of the roller are correspondingly connected with the center shaft through the two connecting rods.

2. A rubber dam pocket protection device according to claim 1, wherein, The connecting rod and the center shaft are connected through a rotating connecting head.

3. A rubber dam pocket protection device according to claim 2, wherein, The center shaft is correspondingly provided with two blocking discs near two ends thereof, each connecting rod is located between the blocking disc and the roller, and the distance between the two blocking discs is greater than half of the circumference of the rubber dam bag in the cross section.

4. A rubber dam pocket protector according to claim 1, wherein, The harrow device comprises a cross beam, two ends of the cross beam are correspondingly connected with two connecting rods through two connecting rods, and a plurality of harrow teeth are arranged on the cross beam along the length direction of the cross beam.

5. A rubber dam pocket protector according to claim 4, wherein, One end of the connecting rod is hinged to the connecting rod, a supporting rod is further arranged on the connecting rod, the supporting rod is provided with a plurality of locking holes at one end away from the connecting rod and the side surface of the connecting rod, the locking holes on the supporting rod are aligned with the locking holes on the side surface of the connecting rod, and a locking pin is inserted into the locking holes to fix the connecting rod.

6. A rubber dam pocket protection device according to claim 4 or 5, wherein, ​ 7. A rubber dam pocket protector according to claim 4, wherein, ​ 8. A rubber dam pocket protection device according to claim 7, wherein, ​

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