Movable multifunctional sand washing protective cover

Abstract

The utility model relates to the technical field of bridge manufacturing, in particular to a movable type multifunctional sand washing protection cover, and solves the problems that in the prior art, when a damaged paint surface of a bridge section is transported back to a sand washing workshop again for sand washing and paint coating, large-scale transfer equipment is needed for repeated use, and resources are wasted; a large amount of time of a sand washing workshop needs to be occupied, and the construction workload is also large. According to the technical scheme, a closed space is formed around a damaged paint surface, and a worker conducts sand washing and coating operation on the position where paint is damaged in a stacking site; the utility model has the advantages of maneuverability and flexibility, reduces the construction cost, does not occupy workshop and transportation equipment resources, and improves the construction efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge manufacturing technical field especially relates to a mobile multifunctional sand washing protective cover. BACKGROUND

[0002] With the development of bridge industry in China, the quantity and scale of bridge engineering increase sharply, mainly steel box girder bridge, steel truss girder bridge, arch bridge, all steel bridge sections are generally completed in the production workshop in the field, then are transported to the sand washing workshop for integral sand washing operation, are transported to the coating workshop for paint operation, and finally are transported to the bridge site to connect the integral girder section and then are coated with the last finish paint.

[0003] The girder section needs to be transported out of the workshop to the stacking site after the coating in the workshop, the girder section is placed on the gantry shelf, the paint at the bottom of the girder section is easily damaged in the transportation process, needs to be sand washed and coated again, if the girder section is transported back to the sand washing workshop, not only large-scale transportation equipment needs to be repeatedly used to waste resources, but also a large amount of time of the sand washing workshop needs to be occupied, and the construction workload is also large. SUMMARY

[0004] The utility model discloses a mobile multifunctional sand washing protective cover, can form airtight space around the damaged paint surface, carries out sand washing coating operation to the position of paint damage in the stacking site, has the flexibility of motor, reduces the construction cost, does not occupy the resources of workshop and transportation equipment, improves the construction efficiency.

[0005] The utility model provides a mobile multifunctional sand washing protective cover, it includes: the protective frame is set up in the protective frame, is provided with the sand collection box in the bottom, the inside lateral wall of protective frame is provided with three proof cloth.

[0006] Preferably, the protective frame includes four vertical support rods, a cavity is formed in each support rod, a screw rod is arranged in the cavity, the screw rod extends out of the support rod, and a nut is sleeved on the surface of the screw rod; an adjusting rod is hingedly connected to the top of each screw rod on the same side, a sleeve is arranged on the surface of the end of the adjusting rod away from the hinge point, and the surface of the sleeve is hingedly connected to the other screw rod.

[0007] Preferably, a fixing rod is arranged between the support rods to improve the stability of the support rods.

[0008] Preferably, the bottom of the three proof cloth extends into the sand collection box.

[0009] Preferably, a sand hole is formed in the side of the sand collection box.

[0010] Preferably, the sand collecting box bottom is inclined towards the sand hole.

[0011] Preferably, the protection frame bottom is provided with universal wheels.

[0012] Preferably, the sand hole is provided with a sand hole door on the side, one side of the sand hole door is hinged to the sand collecting box, and the other side is provided with a handle for conveniently opening the sand hole door, and the handle is bolted to the sand collecting box.

[0013] Preferably, a sealing rubber pad is arranged between the sand hole door and the sand collecting box, and the sealing rubber pad can be fixed with the sand hole door.

[0014] Compared with the prior art, the advantages and positive effects of the utility model are that:

[0015] 1. The movable multifunctional sand blasting protection cover provided by the utility model is moved to below the beam section that needs to be repaired and sand blasted, and a worker performs sand blasting operation on the bottom of the beam section in the stacking site, during the sand blasting process, most of the sand after hitting the bottom plate falls into the sand collecting box below through the surrounding waterproof cloth blockage; this closed device can also be blocked during the coating operation. With this device, large-scale transfer equipment is not needed, resources are not wasted, secondary damage in the transfer process is avoided, a large amount of time of the sand blasting workshop is not occupied, labor cost can be saved, multiple people are not needed to operate, construction efficiency is improved; secondly, during the sand blasting operation, the paint surface of other positions is not damaged and polluted.

[0016] 2. The movable multifunctional sand blasting protection cover provided by the utility model can change the height position of the nut on the screw rod through the rotating nut, then the screw rod can be limited at the top end of the supporting rod, the length of the screw rod extending out of the supporting rod is controlled, when the heights of the screw rods on the two sides are different, the adjusting rod at the top end of the screw rod is inclined, by adjusting the length of the screw rod extending out of the supporting rod, the adjusting rod top end can be attached to the bottom of the beam end section with different heights and slopes, and the region to be processed is better blocked; when the inclination of the adjusting rod is different, the size between the adjusting rod and the screw rods on the two sides is also different, so that the length of the adjusting rod is lengthened, when the inclination is large, the adjusting rod can move in the sleeve, and then the inclination is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0018] Figure 1The utility model discloses a whole structure schematic diagram of mobile multifunctional sand washing protective cover.

[0019] Figure 2 The utility model discloses a working schematic diagram of mobile multifunctional sand washing protective cover.

[0020] Figure 3 The utility model discloses a plan view of mobile multifunctional sand washing protective cover.

[0021] Figure 4 The utility model discloses a Figure 1 A enlarged view is shown in A.

[0022] Figure 5 The utility model discloses a Figure 1 B view.

[0023] Legend:

[0024] 1, protective frame; 11, support rod; 12, screw; 13, nut; 14, adjusting rod; 15, sleeve; 16, fixed rod; 2, sand collecting box; 21, sand releasing door; 22, handle; 3, three-proof cloth; 4, universal wheel. Specific implementation

[0025] The technical scheme of the utility model will be described below in conjunction with the drawings, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of the utility model protection.

[0026] In the description of the utility model, it is necessary to explain that the orientation or position relation of the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, construct and operate with a particular orientation, therefore can not be understood as the limitation of the utility model.

[0027] Embodiment 1:

[0028] Please refer to Figures 1 to 5 The utility model provides a kind of mobile multifunctional sand washing protective cover, comprising: protective frame 1, sand collecting box 2 is provided in the bottom of protective frame 1, three-proof cloth 3 is provided in the inside side wall of protective frame 1.

[0029] When the beam segment needs to be repaired, the device is moved to the beam segment that needs to be repaired, the workers perform sanding on the bottom of the beam segment in the stacking site, and during the sanding process, most of the sand that has finished sanding the bottom plate falls into the sand collecting box 2 below through the surrounding waterproof cloth 3. The closed device can also be used for blocking during the coating operation. Using the device does not require large-scale transfer equipment to be repeatedly used and wasted resources, while avoiding secondary damage during the transfer process, and does not need to occupy a large amount of time in the sanding workshop, which can save labor costs and improve the construction efficiency without the need for multiple people to operate. In addition, during the sanding operation, the paint surface of other positions will not be damaged and contaminated. The bottom of the protection frame 1 can be connected to the bottom plate through a hinge, the bottom plate is placed on the sand collecting box 2, and the sand collecting box 2 can be taken out.

[0030] In the embodiment, the protection frame 1 comprises four vertical support rods 11, cavities are formed in the support rods 11, screw rods 12 are arranged in the cavities, the screw rods 12 extend out of the support rods 11, and nuts 13 are arranged on the surfaces of the screw rods 12. Adjustment rods 14 are hingedly connected to the top portions of the screw rods 12 on the same side, sleeves 15 are arranged on the surfaces of the adjustment rods 14 away from the hinge connection points, and the surfaces of the sleeves 15 are hingedly connected to the screw rods 12 on the other side. For example Figure 1 The adjustment rod 14 is hingedly connected to the left screw rod 12, and the sleeve 15 arranged on the right side is hingedly connected to the right screw rod 12.

[0031] The height position of the nut 13 on the screw rod 12 can be changed by rotating the nut 13, the screw rod 12 can be limited at the top end of the support rod 11, the length of the screw rod 12 extending out of the support rod 11 can be controlled, and when the heights of the screw rods 12 on the two sides are different, the adjustment rod 14 at the top end of the screw rod 12 can be inclined. By adjusting the length of the screw rod 12 extending out of the support rod 11, the top end of the adjustment rod 14 can be attached to the bottom of a beam end segment with different heights and slopes, and the region to be processed can be better blocked. When the inclination of the adjustment rod 14 is different, the size of the adjustment rod 14 between the two screw rods 12 is also different. Therefore, when the length of the adjustment rod 14 is lengthened and the inclination is increased, the adjustment rod 14 can move in the sleeve 15, and the inclination can be adjusted.

[0032] In the embodiment, a fixing rod 16 is arranged between the support rods 11.

[0033] The fixing rod 16 can improve the stability of the support rod 11. The fixing rod 16 can also be arranged between the screw rods 12 to ensure the stability.

[0034] In the embodiment, the bottom of the waterproof cloth 3 extends into the sand collecting box 2.

[0035] The top end of the waterproof cloth 3 is connected to the top end of the screw rod 12, and the bottom end extends into the sand collecting box 2, so that the space at the bottom of the region to be processed is blocked, and the blocking effect is improved.

[0036] In the embodiment, the sand collecting box 2 is provided with a sand outlet on the side.

[0037] After the sand flushing, the sand can be conveniently collected through the sand outlet.

[0038] In the embodiment, the bottom of the sand collecting box 2 is inclined towards the sand outlet.

[0039] The inclined bottom of the sand collecting box 2 facilitates the flow of sand to the sand outlet, and the inclination ratio can be set to 10:1.

[0040] In the embodiment, the sand outlet is provided with a sand outlet door 21, which is hinged on one side to the sand collecting box 2 and provided with a handle 22 on the other side, which is bolted to the sand collecting box 2.

[0041] By unscrewing the bolt, the sand outlet door 21 can be opened for sand collection, and after the collection is completed, the bolt can be tightened to fix the handle 22 to the sand collecting box 2.

[0042] In the embodiment, a sealing rubber pad is provided between the sand outlet door 21 and the sand collecting box 2.

[0043] The sealing rubber pad can improve the sealing of the sand outlet door 21, and the sealing rubber pad can be fixed to the sand outlet door 21.

[0044] Embodiment 2

[0045] Different from the above embodiment, in the embodiment, the protection frame 1 is provided with universal wheels 4 at the bottom, thereby facilitating the overall movement of the device.

[0046] Obviously, the above embodiments are only examples for the purpose of clear illustration, and are not intended to limit the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, it is not necessary and impossible to exhaust all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A mobile multifunctional sand washing protective cover, characterized in that, Include: The protective frame (1) is provided with a sand collecting box (2) at the bottom, and the inner side wall of the protective frame (1) is provided with a three-proof cloth (3); The protective frame (1) includes four vertical support rods (11), the support rod (11) is provided with a cavity, the cavity is provided with a screw rod (12), the screw rod (12) is upwardly protruding from the support rod (11), the screw rod (12) is provided with a nut (13), the same side of the screw rod (12) is hinged with an adjusting rod (14), the adjusting rod (14) is provided with a sleeve (15) away from the hinged point, the sleeve (15) is hinged with another screw rod (12).

2. The mobile multifunction sand washing protective cover according to claim 1, wherein, The support rod (11) is provided with a fixed rod (16) between the support rod (11).

3. The mobile multifunction sand washing protective cover according to claim 2, wherein, The three-proof cloth (3) is provided with a sand collecting box (2) at the bottom.

4. The mobile multifunction sand washing protective cover according to claim 3, wherein, The sand collecting box (2) is provided with a sand hole.

5. The mobile multifunction sand washing protective cover of claim 4, wherein, The bottom of the sand collecting box (2) is inclined to the sand hole.

6. The mobile multifunctional sand blasting protective cover according to claim 5, characterized in that: The bottom of the protective frame (1) is provided with a universal wheel (4).

7. The mobile multifunction sand washing protective cover of claim 6, wherein, The sand hole is provided with a sand door (21) on the side, one side of the sand door (21) is hinged with the sand collecting box (2), the other side is provided with a handle (22), the handle (22) is bolted with the sand collecting box (2).

8. The mobile multifunction sand washing protective cover of claim 7, wherein, The sand door (21) and the sand collecting box (2) are provided with a sealing rubber pad.

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