Slurry overflow ring for steel casing

Abstract

The utility model discloses a slurry overflow ring for a steel casing. The slurry overflow ring comprises an overflow ring body and a filter screen structure, the overflow ring body comprises a first plate body and a second plate body, the first plate body and the second plate body form a ring body mounted on the outer side of the steel casing through a connecting end, and a fastener is arranged at the joint of the first plate body and the second plate body; the filter screen structure comprises bearing blocks and a filter screen plate, the bearing blocks are arranged on the inner wall of the first plate body and the inner wall of the second plate body, and the filter screen plate is detachably connected to the bearing blocks; the lower end of the first plate body and the lower end of the second plate body are each provided with a flow guide pipe in a communicating mode. The anti-overflow mechanism has the advantages that the technical problem that in the prior art, due to the fact that no corresponding anti-overflow mechanism is arranged on the periphery of the steel casing, slurry overflows when grouting is conducted on the interior of the steel casing, and environmental pollution is caused is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction equipment, in particular to a mud overflow ring for a steel casing. Background Art

[0002] Steel casing is a kind of steel wall used to protect the piles in the process of manual bored pile construction. Due to the instability of soil, it is difficult to construct reinforced concrete wall. Therefore, steel wall is used to protect the piles to prevent the hole from collapsing and avoid affecting the construction progress and safety. Steel casing is a round barrel with two ends opened by iron hoop according to the size of the piles.

[0003] In Chinese utility model CN210636429U, a "steel casing" is proposed. The device includes a cylinder wall, one end of the cylinder wall is a male joint, and the other end of the cylinder wall is a female joint; the male joint is provided with a tenon, and the female joint is provided with a T-shaped groove; it mainly solves the problems of existing steel casings such as inconvenient installation and disassembly, low reliability and easy deformation. However, after the steel casing of the high-pile wharf is driven, bored piles need to be constructed. Since the outer periphery of the existing steel casing is not provided with a corresponding anti-overflow mechanism, mud overflows and causes serious environmental pollution. Utility Model Content

[0004] The purpose of the utility model is to overcome the above technical deficiencies and provide a mud overflow ring for a steel casing to solve the technical problem that in the prior art, no corresponding anti-overflow mechanism is arranged on the outer periphery of the steel casing, resulting in mud overflowing when grouting the inside of the steel casing, thereby causing environmental pollution.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical solutions:

[0006] In a first aspect, the utility model provides a mud overflow ring for a steel casing, comprising:

[0007] The overflow ring body comprises a first plate body and a second plate body, wherein the first plate body and the second plate body form a ring body installed on the outside of the steel casing through a connecting end, and a fastener is provided at the connection between the first plate body and the second plate body;

[0008] The filter structure includes a bearing block and a filter screen plate. The bearing block is arranged on the inner wall of the first plate body and the second plate body, and the filter screen plate is detachably connected to the bearing block; the lower ends of the first plate body and the second plate body are both connected and provided with a guide pipe.

[0009] In some embodiments, the connecting end includes two extension blocks and two assembly grooves, the two extension blocks are connected to two sides of the first plate body, and the two sides of the second plate body are provided with the assembly grooves that cooperate with the extension blocks.

[0010] In some embodiments, the cross-sections of the first plate body and the second plate body are both semicircular, and overflow grooves are provided inside the first plate body and the second plate body.

[0011] In some embodiments, overflow holes are formed at the lower ends of the first plate body and the second plate body, and the overflow holes are connected to the guide tubes, and the number of the guide tubes is at least two.

[0012] In some embodiments, the fastener includes a first protrusion and a second protrusion; two of the first protrusions and two of the second protrusions are respectively arranged on both sides of the first plate body and the second plate body, and a plurality of screw holes are opened on the first protrusion and the second protrusion, and the screw holes are threadedly connected to fastening bolts, and fastening nuts are arranged on both sides of the fastening bolts.

[0013] In some embodiments, the supporting block includes a first extension block, a second extension block and a limiting column; the inner walls of the first plate body and the second plate body are respectively provided with a first extension block and a second extension block, and the first extension block and the second extension block are both arranged with a plurality of limiting columns, and the filter screen plate is detachably connected to the limiting column.

[0014] In some embodiments, the filter screen plate includes a bearing plate body and a filter screen; the filter screen is mounted on the bearing plate body, and a plurality of limiting holes cooperating with the limiting columns are opened on both sides of the bearing plate body.

[0015] In some embodiments, a rubber pad is provided at a connection between the first plate body and the second plate body and the steel casing.

[0016] In some embodiments, a terminal end of the flow guide pipe is communicated with a mud collection vessel.

[0017] In some embodiments, the filter screen is a stainless steel mesh plate, and the mesh size of the filter screen is 1-400 mesh.

[0018] Compared with the prior art, the utility model provides a mud overflow ring for a steel casing. Through the connecting end, the first plate body and the second plate body can be spliced ​​together to form a ring body structure, and the ring body structure is assembled on the outer periphery of the steel casing, and the first plate body and the second plate body are fastened by fasteners. When the steel casing starts to be grouted and overflows, the mud will flow into the overflow ring body and be filtered by the filter mesh plate to filter the large particles of sand and gravel in the mud. After the mud flows into the overflow ring body, it is discharged from the guide pipe to the outside, thereby avoiding the situation where the mud overflows and causes environmental pollution during the grouting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a mud overflow ring for a steel casing provided by an embodiment of the utility model;

[0020] Figure 2 It is a bottom view of a mud overflow ring for a steel casing provided by an embodiment of the utility model;

[0021] Figure 3 It is a top view of a mud overflow ring for a steel casing provided by an embodiment of the utility model;

[0022] Figure 4 It is a side schematic diagram of a mud overflow ring for a steel casing provided in an embodiment of the utility model.

[0023] Explanation of the accompanying drawings: 1. Overflow ring body; 11. First plate body; 12. Second plate body; 13. Connection end; 131. Extension block; 132. Assembly groove; 14. Fastener; 141. First protrusion; 142. Second protrusion; 143. Screw hole; 144. Fastening bolt; 145. Fastening nut; 2. Filter structure; 21. Bearing block; 211. First extension block; 212. Second extension block; 213. Limiting column; 22. Filter screen plate; 221. Bearing plate body; 222. Filter; 223. Limiting hole; 3. Guide pipe. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] In order to solve the technical problem in the prior art that a corresponding anti-overflow mechanism is set on the outer periphery of the steel casing, which leads to mud overflowing when grouting the inside of the steel casing, thereby causing environmental pollution, the utility model provides a mud overflow ring for a steel casing, which can prevent mud from overflowing and thus polluting the environment.

[0026] It should be noted that the mud overflow ring for steel casing described in the utility model is used for but not limited to the construction field, etc. For the convenience of explanation, in the utility model, only the application of the mud overflow ring for steel casing in the construction field is used as an example for explanation, and the principle of applying the mud overflow ring for steel casing in other types of equipment is essentially the same as the principle applied in the construction field, which will not be repeated here.

[0027] See also Figure 1 , Figure 1The present invention is a schematic structural diagram of a mud overflow ring for a steel casing in an embodiment of the present invention. The mud overflow ring for a steel casing comprises an overflow ring body 1 and a filter screen structure 2; the overflow ring body 1 comprises a first plate body 11 and a second plate body 12, the first plate body 11 and the second plate body 12 form a ring body installed on the outside of the steel casing through a connecting end 13, and a fastener 14 is provided at the connection between the first plate body 11 and the second plate body 12; the filter screen structure 2 comprises a bearing block 21 and a filter screen plate 22, the bearing block 21 is provided on the inner wall of the first plate body 11 and the second plate body 12, and the filter screen plate 22 is detachably connected to the bearing block 21; the lower ends of the first plate body 11 and the second plate body 12 are both connected and provided with a guide pipe 3.

[0028] In this embodiment, the first plate body 11 and the second plate body 12 can be spliced ​​together through the connecting end 13 to form a ring body structure, and assembled on the outer periphery of the steel casing, and the first plate body 11 and the second plate body 12 are fastened by the fastener 14. When the grouting starts inside the steel casing and overflows, the mud will flow into the overflow ring body 1 and be filtered by the filter plate 22 to filter the large particles of sand and gravel in the mud. After the mud flows into the overflow ring body 1, it is discharged from the guide pipe 3 to the outside, thereby avoiding the situation where the mud overflows during the grouting process and causes environmental pollution.

[0029] In one embodiment, see Figure 1-3 In order to improve the splicing efficiency of the first plate body 11 and the second plate body 12, the connecting end 13 includes two extension blocks 131 and two assembly grooves 132. The two extension blocks 131 are connected to both sides of the first plate body 11. Both sides of the second plate body 12 are provided with assembly grooves 132 that cooperate with the extension blocks 131. The fastener 14 includes a first protrusion 141 and a second protrusion 142; two first protrusions 141 and two second protrusions 142 are respectively provided on both sides of the first plate body 11 and the second plate body 12. A plurality of screw holes 143 are provided on the first protrusion 141 and the second protrusion 142. The screw holes 143 are threadedly connected to fastening bolts 144. Fastening nuts 145 are arranged on both sides of the fastening bolts 144.

[0030] In this embodiment, by arranging extension blocks 131 on both sides of the first plate body 11 and opening assembly grooves 132 on both sides of the second plate body 12, it is convenient for the extension blocks 131 to extend into the assembly grooves 132, so that the first plate body 11 and the second plate body 12 form an annular overflow ring body 1, and two first protrusions 141 are arranged on the outer periphery of the first plate body 11, and two second protrusions 142 are arranged on the outer periphery of the second plate body 12, screw holes 143 are opened on the first protrusions 141 and the second protrusions 142, and the first protrusions 141 and the second protrusions 142 are connected by fastening bolts 144, and by setting fastening nuts 145 on the fastening bolts 144, the integrity between the first plate body 11 and the second plate body 12 is enhanced, so that it can be assembled on the outer periphery of the steel casing.

[0031] In one embodiment, see Figure 3 and Figure 4 In order to improve the diversion effect of the overflow ring body 1, the cross-sections of the first plate body 11 and the second plate body 12 are both semicircular, and overflow grooves are provided inside the first plate body 11 and the second plate body 12. Overflow holes are provided at the lower ends of the first plate body 11 and the second plate body 12. The overflow holes are connected to the guide pipe 3. The number of the guide pipes 3 is at least two. A rubber pad is provided at the connection between the first plate body 11 and the second plate body 12 and the steel casing, and the end of the guide pipe 3 is connected to the mud collection ship.

[0032] In this embodiment, overflow grooves are provided inside the first plate body 11 and the second plate body 12. After the first plate body 11 and the second plate body 12 are spliced, an annular overflow groove is formed. When the mud inside the steel casing overflows outward, it flows into the overflow groove, and through the cooperation of the overflow hole and the guide pipe 3, the overflowed mud is guided into the mud collection ship to avoid direct discharge and thus polluting the environment.

[0033] In one embodiment, see Figure 3 and Figure 4 The bearing block 21 includes a first extension block 211, a second extension block 212 and a limiting column 213; the inner walls of the first plate body 11 and the second plate body 12 are respectively provided with the first extension block 211 and the second extension block 212, and a plurality of limiting columns 213 are arranged on the first extension block 211 and the second extension block 212, and a filter screen 22 is detachably connected to the limiting columns 213, and the filter screen 22 includes a bearing plate body 221 and a filter screen 222; a filter screen 222 is installed on the bearing plate body 221, and a plurality of limiting holes 223 cooperating with the limiting columns 213 are opened on both sides of the bearing plate body 221, and the filter screen 222 is a stainless steel mesh plate, and the mesh of the filter screen 222 is 1-400 mesh.

[0034] The first extension block 211 and the second extension block 212 are symmetrically arranged on the inner walls of the first plate body 11 and the second plate body 12, so that an installation area is formed on the inner wall of the first plate body 11 or the second plate body 12 for placing the supporting plate body 221. A filter screen 222 is installed on the supporting plate body 221 to filter and screen large particles of mortar in the overflowed mud to prevent it from entering the interior of the guide pipe 3 and causing blockage of the pipe body. Limiting holes 223 are opened on both sides of the supporting plate body 221 to facilitate the cooperation between the limiting holes 223 and the limiting columns 213.

[0035] In order to better understand the present invention, the following Figures 1 to 4The technical solution of the utility model is described in detail: the staff arranges the first plate body 11 and the second plate body 12 on the outer periphery of the steel casing, and causes the extension block 131 to extend into the assembly groove 132, and passes the screw holes 143 on the first protrusion 141 and the second protrusion 142 through the fastening bolt 144, and cooperates with the fastening nut 145 with the fastening bolt 144, so that the first plate body 11 and the second plate body 12 are spliced ​​to the outer periphery of the steel casing, wherein the first extension block 2 is arranged on the inner wall of the first plate body 11 and the second plate body 12 11 and the second extension block 212, and a limiting column 213 is arranged on the surface thereof, which is convenient for cooperating with the limiting hole 223 on the bearing plate body 221, so that the bearing plate body 221 is assembled to the first extension block 211 and the second extension block 212, and a filter screen 222 is arranged on the bearing plate body 221, which can effectively filter the overflowed mud, thereby preventing the sand and gravel from clogging the guide pipe 3. The device is simple to install and disassemble, and can effectively guide the overflowed mud to avoid the direct discharge of the mud, thereby polluting the environment.

[0036] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A mud overflow ring for a steel casing, characterized in that: include: The overflow ring body comprises a first plate body and a second plate body, wherein the first plate body and the second plate body form a ring body installed on the outside of the steel casing through a connecting end, and a fastener is provided at the connection between the first plate body and the second plate body; The filter structure includes a bearing block and a filter screen plate. The bearing block is arranged on the inner wall of the first plate body and the second plate body, and the filter screen plate is detachably connected to the bearing block; the lower ends of the first plate body and the second plate body are both connected and provided with a guide pipe.

2. A mud overflow ring for a steel casing according to claim 1, characterized in that: The connecting end includes two extension blocks and two assembly grooves. The two extension blocks are connected to two sides of the first plate body. The two sides of the second plate body are provided with the assembly grooves matched with the extension blocks.

3. A mud overflow ring for a steel casing according to claim 1, characterized in that: The cross sections of the first plate body and the second plate body are both semicircular, and overflow grooves are provided inside the first plate body and the second plate body.

4. A mud overflow ring for a steel casing according to claim 1, characterized in that: The lower ends of the first plate body and the second plate body are both provided with overflow holes, the overflow holes are connected to the flow guide pipes, and the number of the flow guide pipes is at least two.

5. The mud overflow ring for steel casing according to claim 1, characterized in that: The fastener includes a first protrusion and a second protrusion; two of the first protrusions and two of the second protrusions are respectively arranged on both sides of the first plate body and the second plate body, and a plurality of screw holes are opened on the first protrusion and the second protrusion, and the screw holes are threadedly connected to fastening bolts, and fastening nuts are arranged on both sides of the fastening bolts.

6. A mud overflow ring for a steel casing according to claim 1, characterized in that: The supporting block includes a first extension block, a second extension block and a limiting column; the inner walls of the first plate body and the second plate body are respectively provided with a first extension block and a second extension block, and the first extension block and the second extension block are both arranged with a plurality of limiting columns, and the filter screen plate is detachably connected to the limiting column.

7. A mud overflow ring for a steel casing according to claim 6, characterized in that: The filter screen plate comprises a bearing plate body and a filter screen; the filter screen is installed on the bearing plate body, and a plurality of limiting holes cooperating with the limiting columns are opened on both sides of the bearing plate body.

8. The mud overflow ring for steel casing according to claim 1, characterized in that: A rubber pad is provided at the connection between the first plate body and the second plate body and the steel casing.

9. A mud overflow ring for a steel casing according to claim 1, characterized in that: The end of the guide pipe is communicated with the mud collection vessel.

10. A mud overflow ring for a steel casing according to claim 7, characterized in that: The filter screen is a stainless steel mesh plate, and the mesh size of the filter screen is 1-400 meshes.

Images