CN217480252U - Assembled steel form for inspection well - Google Patents
Assembled steel form for inspection well Download PDFInfo
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- CN217480252U CN217480252U CN202221660774.3U CN202221660774U CN217480252U CN 217480252 U CN217480252 U CN 217480252U CN 202221660774 U CN202221660774 U CN 202221660774U CN 217480252 U CN217480252 U CN 217480252U
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Abstract
The utility model discloses an assembled steel formwork for an inspection well, which comprises an outer formwork and an inner formwork; the outer die comprises a first template, a second template and a third template which are connected end to form a ring; can adopt this steel form to produce the inspection shaft, then transport to and adopt the integral hoisting mode to construct after the job site, construction quality is easy to be controlled, the production process does not receive external environment influence, also can accelerate construction speed to steel form easy dismounting stability in this application is good, can improve well head shaping quality, has realized promoting engineering construction quality, has reduced cost and has increased the good effect.
Description
Technical Field
The utility model relates to an assembled inspection shaft steel form.
Background
The inspection well is used for maintaining power supply, water drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like of urban underground infrastructure, and is convenient to install. It is usually installed at the intersection of pipelines, turning, where the pipe diameter or slope changes, and at certain intervals on straight pipeline sections, and is convenient for regular inspection of the attached structures.
Although the in-situ cast concrete inspection well has high strength and is not easy to leak, the working procedures of in-situ reinforcing steel bar binding, template installation, concrete casting and the like have long period, and subsequent earthwork backfilling can be performed after the strength of the concrete is improved, so that the project progress is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an assembled inspection shaft steel form has solved the lengthy problem of present inspection shaft construction.
In order to solve the technical problem, the utility model provides an assembled steel form for inspection well, which comprises an external form and an internal form; the outer die comprises a first template, a second template and a third template which are connected end to form a ring; the central angle corresponding to the arc length of the second template is not more than 30 degrees, and the central angle corresponding to the arc length of the first template and the central angle corresponding to the arc length of the third template are not more than 180 degrees; the two transverse ends of the second template are both circular tangents at the joint with the first template and the joint with the third template to form a first groove with an inclination angle of 60-80 degrees; a second groove matched with the first groove is formed at one end of the first template connected with the second template and one end of the third template connected with the second template; the top and the bottom of the outer die are both provided with a first flange plate, and the upper and lower adjacent outer dies are connected through the first flange plate; the inner mold comprises a fourth template, a fifth template and a sixth template which are connected end to form a ring shape; the central angle corresponding to the arc length of the fifth template is not more than 30 degrees, and the central angle corresponding to the arc length of the fourth template and the central angle corresponding to the arc length of the sixth template do not exceed 180 degrees; both ends of the fifth template are provided with third grooves which form an inclination angle of 100-120 degrees with the tangent circle at the joint of the fourth template and the sixth template; a fourth groove matched with the third groove is formed at one end of the fourth template, which is connected with the fifth template, and one end of the sixth template, which is connected with the fifth template; the top and the bottom of the outer die are both provided with second flange plates; the upper and lower adjacent internal molds are connected through a second flange plate; and a fixing plate is connected between the first flange plate positioned at the top of the uppermost external mold and the second flange plate positioned at the top of the internal mold.
Furthermore, the upper end and the lower end of the first template are both provided with first flange parts extending outwards, and the first flange parts are provided with at least one first positioning hole which is vertically communicated; the upper end and the lower end of the second template are both provided with second flange parts extending outwards, and the second flange parts are provided with at least one second positioning hole which is vertically communicated; the upper end and the lower end of the third template are both provided with third flange parts extending outwards, and the third flange parts are provided with at least one third positioning hole which is vertically communicated; the first flange part, the second flange part and the third flange part are connected end to form a first flange plate.
Furthermore, the inner side of the top end of the first template sinks to form a first step, the inner side of the top end of the second template sinks to form a second step, and the inner side of the top end of the third template sinks to form a third step; the bottom of first template is equipped with the first convex part with first step matched with, and the bottom of second template is equipped with the second convex part with second step matched with, and the bottom of third template is equipped with the third convex part with third step matched with.
Furthermore, a plurality of first longitudinal reinforcing ribs longitudinally arranged along the outside of the first template are arranged on the first template, and two ends of the first longitudinal reinforcing ribs are respectively connected with first flange parts at the upper end and the lower end of the first template; and a plurality of second longitudinal reinforcing ribs longitudinally arranged along the outside of the third template are arranged on the third template, and two ends of the plurality of second longitudinal reinforcing ribs are respectively connected with third flange parts at the upper end and the lower end of the third template.
Furthermore, both transverse ends of the first template are provided with first connecting plates longitudinally arranged along the outer side of the first template, both transverse ends of the second template are provided with second connecting plates longitudinally arranged along the outer side of the second template, both transverse ends of the third template are provided with third connecting plates longitudinally arranged along the outer side of the third template; the first template and the third template are connected through a first fastener penetrating through a first connecting plate and a third connecting plate which are adjacently arranged, the first template and the second template are connected through a second fastener penetrating through the first connecting plate and the second connecting plate which are adjacently arranged, and the second template and the third template are connected through a third fastener penetrating through the second connecting plate and the third connecting plate which are adjacently arranged.
Furthermore, the upper end and the lower end of the fourth template are both provided with fourth flange parts extending outwards, and the fourth flange parts are provided with at least one vertically-through fourth positioning hole; the upper end and the lower end of the fifth template are both provided with a fifth flange part extending outwards, and the fifth flange part is provided with at least one vertically-through fifth positioning hole; the upper end and the lower end of the sixth template are both provided with sixth flange parts extending outwards, and the sixth flange parts are provided with at least one vertically-through sixth positioning hole; the fourth flange part, the fifth flange part and the sixth flange part are connected end to form a second flange plate.
Furthermore, the inner side of the top end of the fourth template sinks to form a fourth step, the inner side of the top end of the fifth template sinks to form a fifth step, and the inner side of the top end of the sixth template sinks to form a sixth step; the bottom of the fourth template is provided with a fourth convex part matched with the fourth step, the bottom of the fifth template is provided with a fifth convex part matched with the fifth step, and the bottom of the sixth template is provided with a sixth convex part matched with the sixth step.
Furthermore, both transverse ends of the fourth template are provided with fourth connecting plates, the fourth connecting plates are longitudinally arranged along the inner side of the fourth template, both transverse ends of the fifth template are provided with fifth connecting plates, the fifth connecting plates are longitudinally arranged along the inner side of the fifth template, both transverse ends of the sixth template are provided with sixth connecting plates, and the sixth connecting plates are longitudinally arranged along the inner side of the sixth template; the fourth template is connected with the sixth template through a fourth fastener penetrating through a fourth connecting plate and a sixth connecting plate which are adjacently arranged, the fourth template is connected with the fifth template through a fifth fastener penetrating through a fourth connecting plate and a fifth connecting plate which are adjacently arranged, and the fifth template is connected with the sixth template through a sixth fastener penetrating through a fifth connecting plate and a sixth connecting plate which are adjacently arranged.
Furthermore, the fifth connecting plates at the two ends of the fifth template incline towards one side of the middle part of the fifth template, and the fifth connecting plates are connected with the fourth connecting plates through V-shaped plates.
The utility model has the advantages that: can adopt this steel form to produce the inspection shaft, then transport to and adopt the integral hoisting mode to construct after the job site, construction quality is easy to be controlled, the production process does not receive external environment influence, also can accelerate construction speed to steel form easy dismounting stability in this application is good, can improve well head shaping quality, has realized promoting engineering construction quality, has reduced cost and has increased the good effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a top view of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an external mold according to an embodiment of the present invention.
Fig. 4 is a front view of an outer mold according to an embodiment of the present invention.
Fig. 5 is a rear view of an outer mold according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of an inner mold according to an embodiment of the present invention.
Wherein: A. an outer mold; 1. a first template; 11. a first flange portion; 12. a first positioning hole; 13. a first step; 14. a first longitudinal reinforcing rib; 15. a first connecting plate; 2. a second template; 21. a second flange portion; 22. a second positioning hole; 23. a second step; 24. a second connecting plate; 3. a third template; 31. a third flange portion; 32. a third positioning hole; 33. a third step; 34. a second longitudinal reinforcing rib; 35. a third connecting plate; 4. a first fastener; 41. a second fastener; 42. a third fastener; B. an inner mold; 6. a fourth template; 61. a fourth flange portion; 62. a fourth positioning hole; 63. a fourth step; 64. a fourth connecting plate; 7. a fifth template; 71. a fifth flange portion; 72. a fifth positioning hole; 73. a fifth step; 74. a fifth connecting plate; 8. a sixth template; 81. a sixth flange portion; 82. a sixth positioning hole; 83. a sixth step; 84. A sixth connecting plate; C. and (7) fixing the plate.
Detailed Description
An assembled steel template for an inspection well comprises an outer mold and an inner mold; the outer mold A comprises a first template 1, a second template 2 and a third template 3 which are connected end to form a ring shape; the central angle corresponding to the arc length of the second template 2 is not more than 30 degrees, and the central angle corresponding to the arc length of the first template 1 and the central angle corresponding to the arc length of the third template 3 are not more than 180 degrees; the two transverse ends of the second template 2 are both circular tangents at the joint with the first template 1 and the joint with the third template 3 to form a first groove with an inclination angle of 60-80 degrees (specifically 105 degrees), such as an angle a shown in fig. 2; a second groove matched with the first groove is formed at one end of the first template 1 connected with the second template 2 and one end of the third template 3 connected with the second template 2; the top and the bottom of the outer mold A are respectively provided with a first flange plate, and the upper and the lower adjacent outer molds A are connected through the first flange plates; the inner mold B comprises a fourth template 6, a fifth template 7 and a sixth template 8 which are connected end to form a ring; the central angle corresponding to the arc length of the fifth template 7 is not more than 30 degrees, and the central angle corresponding to the arc length of the fourth template 6 and the central angle corresponding to the arc length of the sixth template 8 are not more than 180 degrees; both ends of the fifth template 7 are provided with a third groove with an inclination angle of 100-120 degrees (which can be specifically set as 105 degrees) formed by a tangent circle at the connection part of the fourth template 6 and the sixth template 8, as shown by an angle b in fig. 6; a fourth groove matched with the third groove is formed at one end of the fourth template 6 connected with the fifth template 7 and one end of the sixth template 8 connected with the fifth template 7; the top and the bottom of the outer mold A are provided with second flange plates; the upper inner die B and the lower inner die B are connected through a second flange plate; and a fixing plate C is connected between the first flange plate positioned at the top of the uppermost external mold A and the second flange plate positioned at the top of the internal mold B.
Can adopt this steel form to produce the inspection shaft, then transport to and adopt the integral hoisting mode to be under construction after the job site, construction quality is easy to be controlled, the production process does not receive the external environment influence, also can accelerate the construction speed to steel form easy dismounting stability in this application is good, can improve well head shaping quality, has realized promoting engineering construction quality, has reduced cost and increased effect's good effect. During production, the inner die and the outer die are assembled, and an annular cavity for pouring concrete to form the inspection well is formed between the inner die and the outer die. The central angles corresponding to the arc lengths of the second template 2 and the fifth module 7 are not more than 30 degrees, a wedge-shaped module is formed, the installation and the disassembly are rapid, the structure is simple and light, the carrying and the transition are convenient, in addition, a fixing plate C is connected between the top of the outer mold A and the top of the inner mold B, the stability of the outer mold A and the inner mold can be increased, and the molding quality of a wellhead is improved.
The upper end and the lower end of the first template 1 are both provided with first flange parts 11 extending outwards, and the first flange parts 11 are provided with at least one first positioning hole 12 which is vertically communicated; the upper end and the lower end of the second template 2 are both provided with second flange parts 21 extending outwards, and the second flange parts 21 are provided with at least one second positioning hole 22 which is vertically communicated; the upper end and the lower end of the third template 3 are both provided with third flange parts 31 extending outwards, and the third flange parts 31 are provided with at least one third positioning hole 32 vertically communicated with each other; the first flange part 11, the second flange part 21 and the third flange part 31 are connected end to form a first flange.
The upper end and the lower end of the fourth template 6 are both provided with a fourth flange part 61 extending outwards, and the fourth flange part 61 is provided with at least one vertically-through fourth positioning hole 62; the upper end and the lower end of the fifth template 7 are both provided with a fifth flange part 71 extending outwards, and the fifth flange part 71 is provided with at least one vertically-through fifth positioning hole 72; the upper end and the lower end of the sixth template 8 are both provided with sixth flange parts 81 extending outwards, and the sixth flange parts 81 are provided with at least one vertically-through sixth positioning hole 82; the fourth flange portion 61, the fifth flange portion 71 and the sixth flange portion 81 are connected end to form a second flange.
Through all being equipped with the ring flange of outside extension at the upper and lower both ends of external mold and centre form to set up a plurality of locating holes on the ring flange, not only can be convenient for install fixed plate C, still can make through the ring flange between two upper and lower templates through the fastener and connect, with the realization according to the high concatenation template of inspection shaft, and, adopt this kind of concatenation mode, can reduce the height of single template, can be convenient for transport and transport.
The inner side of the top end of the first template 1 sinks to form a first step 13, the inner side of the top end of the second template 2 sinks to form a second step 23, and the inner side of the top end of the third template 3 sinks to form a third step 33; the bottom end of the first template 1 is provided with a first convex part matched with the first step 13, the bottom end of the second template 2 is provided with a second convex part matched with the second step 23, and the bottom end of the third template 3 is provided with a third convex part matched with the third step 33.
The inner side of the top end of the fourth template 6 sinks to form a fourth step 63, the inner side of the top end of the fifth template 7 sinks to form a fifth step 73, and the inner side of the top end of the sixth template 8 sinks to form a sixth step 83; the bottom end of the fourth template 6 is provided with a fourth convex part matched with the fourth step 63, the bottom end of the fifth template 7 is provided with a fifth convex part matched with the fifth step 73, and the bottom end of the sixth template 8 is provided with a sixth convex part matched with the sixth step 83.
The steps are arranged at the tops of the outer die and the inner die, and the convex parts which are matched with the steps at the tops and extend downwards are arranged at the bottoms of the outer die and the inner die, so that the upper and lower rigid modules can be aligned to facilitate installation during splicing.
The first template 1 is provided with a plurality of first longitudinal reinforcing ribs 14 which are longitudinally arranged along the outside of the first template 1, and two ends of the first longitudinal reinforcing ribs 14 are respectively connected with the first flange parts 11 at the upper end and the lower end of the first template 1; the third template 3 is provided with a plurality of second longitudinal reinforcing ribs 34 which are longitudinally arranged along the outside of the third template 3, and two ends of the plurality of second longitudinal reinforcing ribs 34 are respectively connected with the third flange parts 31 at the upper end and the lower end of the third template 3.
The outer wall of the outer die is provided with the longitudinal reinforcing rib, so that the strength of the outer die can be improved; meanwhile, the longitudinal reinforcing ribs are respectively connected with the flange plates at the upper end and the lower end of the outer die, so that the stability of the flange plates can be improved.
The transverse two ends of the first template 1 are respectively provided with a first connecting plate 15, the first connecting plates 15 are longitudinally arranged along the outer side of the first template 1, the transverse two ends of the second template 2 are respectively provided with a second connecting plate 24, the second connecting plates 24 are longitudinally arranged along the outer side of the second template 2, the transverse two ends of the third template 3 are respectively provided with a third connecting plate 35, and the third connecting plates 35 are longitudinally arranged along the outer side of the third template 3; the first template 1 and the third template 3 are connected through a first fastener 4 penetrating through a first connecting plate 15 and a third connecting plate 35 which are adjacently arranged, the first template 1 and the second template 2 are connected through a second fastener 41 penetrating through the first connecting plate 15 and the second connecting plate 24 which are adjacently arranged, and the second template 2 and the third template 3 are connected through a third fastener 42 penetrating through the second connecting plate 24 and the third connecting plate 35 which are adjacently arranged.
The transverse two ends of the fourth template 6 are respectively provided with a fourth connecting plate 64, the fourth connecting plates 64 are longitudinally arranged along the inner side of the fourth template 6, the transverse two ends of the fifth template 7 are respectively provided with a fifth connecting plate 74, the fifth connecting plates 74 are longitudinally arranged along the inner side of the fifth template 7, the transverse two ends of the sixth template 8 are respectively provided with a sixth connecting plate 84, and the sixth connecting plates 84 are longitudinally arranged along the inner side of the sixth template 8; the fourth template 6 is connected with the sixth template 8 through a fourth fastener penetrating through the adjacently arranged fourth connecting plate 64 and the sixth connecting plate 84, the fourth template 6 is connected with the fifth template 7 through a fifth fastener penetrating through the adjacently arranged fourth connecting plate 64 and the fifth connecting plate 74, and the fifth template 7 is connected with the sixth template 8 through a sixth fastener penetrating through the adjacently arranged fifth connecting plate 74 and the sixth connecting plate 84.
The first fastener, the second fastener, the third fastener, the fourth fastener, the fifth fastener and the sixth fastener can adopt bolt and nut assemblies, and the installation is stable, quick and convenient.
The fifth connecting plates 74 at the two ends of the fifth template 7 are inclined towards one side of the middle part of the fifth template 7, and the fifth connecting plates 74 are connected with the fourth connecting plates 64 through V-shaped plates and bolt and nut assemblies penetrating through the fifth connecting plates 74 and the fourth connecting plates 64; the fifth formwork can be disassembled conveniently by enabling the fifth connecting plates at the two ends of the fifth formwork to incline towards the middle of the fifth formwork.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (9)
1. An assembled steel formwork for an inspection well is characterized by comprising an outer formwork and an inner formwork; the outer die comprises a first template, a second template and a third template which are connected end to form a ring shape; the central angle corresponding to the arc length of the second template is not more than 30 degrees, and the central angle corresponding to the arc length of the first template and the central angle corresponding to the arc length of the third template are not more than 180 degrees; the two transverse ends of the second template are both circular tangents at the joint of the second template and the third template to form a first groove with an inclination angle of 60-80 degrees; a second groove matched with the first groove is formed at one end of the first template connected with the second template and one end of the third template connected with the second template; the top and the bottom of the outer die are respectively provided with a first flange plate, and the upper and the lower adjacent outer dies are connected through the first flange plates; the inner die comprises a fourth template, a fifth template and a sixth template which are connected end to form a ring; the central angle corresponding to the arc length of the fifth template is not more than 30 degrees, and the central angle corresponding to the arc length of the fourth template and the central angle corresponding to the arc length of the sixth template are not more than 180 degrees; both ends of the fifth template are provided with a third groove with an inclination angle of 100-120 degrees with a circle tangent line at the joint of the fourth template and the sixth template; a fourth groove matched with the third groove is formed at one end of the fourth template connected with the fifth template and one end of the sixth template connected with the fifth template; the top and the bottom of the outer die are both provided with second flange plates; the upper inner die and the lower inner die are connected through a second flange plate; and a fixing plate is connected between the first flange plate positioned at the top of the outer die on the uppermost layer and the second flange plate positioned at the top of the inner die.
2. The assembled steel formwork for the inspection well according to claim 1, wherein the upper end and the lower end of the first formwork are respectively provided with a first flange part extending outwards, and the first flange part is provided with at least one first positioning hole which is vertically penetrated; the upper end and the lower end of the second template are both provided with second flange parts extending outwards, and the second flange parts are provided with at least one second positioning hole which is vertically communicated; the upper end and the lower end of the third template are both provided with third flange parts extending outwards, and the third flange parts are provided with at least one vertically-through third positioning hole; the first flange part, the second flange part and the third flange part are connected end to form the first flange plate.
3. The assembled steel formwork for inspection wells according to claim 1, wherein the top end inner side of the first formwork is sunk to form a first step, the top end inner side of the second formwork is sunk to form a second step, and the top end inner side of the third formwork is sunk to form a third step; the bottom of the first template is provided with a first convex part matched with the first step, the bottom of the second template is provided with a second convex part matched with the second step, and the bottom of the third template is provided with a third convex part matched with the third step.
4. The assembled steel formwork for the inspection well according to claim 1, wherein the first formwork is provided with a plurality of first longitudinal reinforcing ribs longitudinally arranged along the outside of the first formwork, and two ends of the plurality of first longitudinal reinforcing ribs are respectively connected with first flange parts at the upper end and the lower end of the first formwork; and a plurality of second longitudinal reinforcing ribs longitudinally arranged along the outside of the third template are arranged on the third template, and two ends of the plurality of second longitudinal reinforcing ribs are respectively connected with third flange parts at the upper end and the lower end of the third template.
5. The assembled steel formwork for the inspection well according to claim 1, wherein the first formwork is provided at both lateral ends thereof with first connecting plates longitudinally arranged along an outer side of the first formwork, the second formwork is provided at both lateral ends thereof with second connecting plates longitudinally arranged along an outer side of the second formwork, and the third formwork is provided at both lateral ends thereof with third connecting plates longitudinally arranged along an outer side of the third formwork; the first template and the third template are connected through a first fastener penetrating through a first connecting plate and a third connecting plate which are adjacently arranged, the first template and the second template are connected through a second fastener penetrating through the first connecting plate and the second connecting plate which are adjacently arranged, and the second template and the third template are connected through a third fastener penetrating through the second connecting plate and the third connecting plate which are adjacently arranged.
6. The assembled steel formwork for the inspection well according to claim 1, wherein the upper end and the lower end of the fourth formwork are respectively provided with a fourth flange part extending outwards, and the fourth flange part is provided with at least one vertically-through fourth positioning hole; the upper end and the lower end of the fifth template are respectively provided with a fifth flange part extending outwards, and the fifth flange part is provided with at least one vertically-through fifth positioning hole; the upper end and the lower end of the sixth template are both provided with sixth flange parts extending outwards, and the sixth flange parts are provided with at least one vertically-through sixth positioning hole; and the fourth flange part, the fifth flange part and the sixth flange part are connected end to form a second flange plate.
7. The assembled steel formwork for inspection wells according to claim 1, wherein the top end inner side of the fourth formwork is sunk to form a fourth step, the top end inner side of the fifth formwork is sunk to form a fifth step, and the top end inner side of the sixth formwork is sunk to form a sixth step; the bottom of the fourth template is provided with a fourth convex part matched with the fourth step, the bottom of the fifth template is provided with a fifth convex part matched with the fifth step, and the bottom of the sixth template is provided with a sixth convex part matched with the sixth step.
8. The assembled steel formwork for the inspection well according to claim 1, wherein a fourth connecting plate is arranged at each of two transverse ends of the fourth formwork, the fourth connecting plates are longitudinally arranged along the inner side of the fourth formwork, a fifth connecting plate is arranged at each of two transverse ends of the fifth formwork, the fifth connecting plates are longitudinally arranged along the inner side of the fifth formwork, a sixth connecting plate is arranged at each of two transverse ends of the sixth formwork, and the sixth connecting plates are longitudinally arranged along the inner side of the sixth formwork; the fourth template is connected with the sixth template through a fourth fastener penetrating through a fourth connecting plate and a sixth connecting plate which are adjacently arranged, the fourth template is connected with the fifth template through a fifth fastener penetrating through a fourth connecting plate and a fifth connecting plate which are adjacently arranged, and the fifth template is connected with the sixth template through a sixth fastener penetrating through a fifth connecting plate and a sixth connecting plate which are adjacently arranged.
9. The assembled steel formwork for the inspection well according to claim 8, wherein the fifth connecting plates at two ends of the fifth formwork are inclined towards one side of the middle part of the fifth formwork, and the fifth connecting plates are connected with the fourth connecting plates through V-shaped plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221660774.3U CN217480252U (en) | 2022-06-30 | 2022-06-30 | Assembled steel form for inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221660774.3U CN217480252U (en) | 2022-06-30 | 2022-06-30 | Assembled steel form for inspection well |
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| Publication Number | Publication Date |
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| CN217480252U true CN217480252U (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221660774.3U Active CN217480252U (en) | 2022-06-30 | 2022-06-30 | Assembled steel form for inspection well |
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| CN (1) | CN217480252U (en) |
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- 2022-06-30 CN CN202221660774.3U patent/CN217480252U/en active Active
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