CN216518132U - Assembled simple operation platform for sticking and rescuing in inclined shaft reverse-pulling reaming construction - Google Patents
Assembled simple operation platform for sticking and rescuing in inclined shaft reverse-pulling reaming construction Download PDFInfo
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- CN216518132U CN216518132U CN202123442923.7U CN202123442923U CN216518132U CN 216518132 U CN216518132 U CN 216518132U CN 202123442923 U CN202123442923 U CN 202123442923U CN 216518132 U CN216518132 U CN 216518132U
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Abstract
The utility model discloses an assembled simple operation platform for drilling and rescuing in inclined shaft counter-pulling hole expanding construction, which comprises a platform main body and a connecting assembly, wherein the platform main body comprises a semicircular steel pipe frame, a semicircular reinforcing mesh and a cross support frame; the connecting assembly comprises a plurality of connecting units distributed along the arc sections of the semicircular steel pipe frame, and each connecting unit comprises a steel sleeve anchored in the inner wall of the guide shaft, a horizontal supporting rod inserted in the steel sleeve and connected with the steel sleeve in a threaded manner, and a plurality of steel mesh connecting pieces. According to the utility model, the platform main body is arranged on the inner wall of the guide shaft, so that firstly, the operation area of the drill sticking rescue can be enlarged, the rescue operation is more convenient, secondly, a rest platform can be provided for the personnel climbing the guide shaft, the fatigue operation is avoided, and the personal safety of the operating personnel can be ensured; in addition, the connecting assembly is used for disassembling the connecting platform main body and the guide well, the disassembly is quick and convenient, the platform main body is convenient to use and then is recovered, and resources are saved.
Description
Technical Field
The utility model belongs to the technical field of inclined shaft construction, and particularly relates to an assembled simple operation platform for inclined shaft reverse-pulling hole-expanding construction drill clamping rescue.
Background
When a water diversion system of a pumped storage power station is designed and arranged, because the flow state of inclined well water is better than that of a vertical well and the loss is less, the inclined well water is often used as a first choice when selecting rules of the inclined vertical well of a water diversion tunnel, and the inclined well comprises an upper bending section, an inclined straight section and a lower bending section; the inclined shaft construction is also a construction link with higher construction difficulty and more unsafe factors in the whole power station; the inclined shaft construction comprises excavation construction, concrete construction and grouting construction according to the working procedures, and also comprises inclined shaft upper bending section construction, inclined shaft inclined straight section construction and inclined shaft lower bending section construction according to the parts. The inclined shafts are mostly arranged at about 50 degrees and have the characteristics of long length and large diameter. The safe construction of the inclined shaft is the key of the construction of the whole water delivery system, and the construction method of 'pilot shaft excavation and later enlarged excavation' is usually adopted for the inclined shaft at present. The pilot well excavation is divided into two types, one is a raise boring machine drilling pilot well, and the other is a tank climbing method. The climbing irrigation method needs a large amount of personnel to enter a working face to perform operations of drilling, charging, deslagging, dangerous stone treatment and supporting, is threatened by harmful gas, trickling water, falling rocks and the like, and casualty accidents occur at times; the raise boring method has high mechanization degree, high safety, high efficiency, good operation environment and obvious advantages, so the raise boring method is generally adopted. The construction of the raise boring machine method requires forward drilling a small-diameter guide hole, and then reversely pulling and enlarging the guide hole to form a guide well, so that the cutter head is inevitably worn when reversely pulling and enlarging the hole, and when the cutter head is worn or the hob falls off, normal hole enlarging operation cannot be continued, and the cutter head needs to be reversely pushed downwards by the raise boring machine to a lower well mouth for replacement and maintenance. However, in the process of lowering the cutter head again, if a bad geological section such as a broken stratum exists at the lower part of the formed guide shaft, the cutter head may be clamped in a groove formed in the bad geological section, so that the cutter head cannot be lowered continuously, the construction is stopped, and the time and economic loss generated by the construction cannot be estimated.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide an assembled simple operation platform for sticking and rescuing in inclined shaft reverse-pulling hole-expanding construction aiming at the defects in the prior art, which has the advantages of simple structure, reasonable design and strong practicability, and firstly, the operation area of sticking and rescuing can be enlarged and the rescuing operation is more convenient by arranging the platform main body on the inner wall of the guide shaft, secondly, a rest platform can be provided for personnel climbing the guide shaft, the fatigue operation is avoided, and the personal safety of the operation personnel can be ensured; in addition, the connecting assembly is used for disassembling the connecting platform main body and the guide well, the disassembly is quick and convenient, the platform main body is convenient to use and then is recovered, and resources are saved.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a slope is anti-draws reaming construction card to bore rescue and uses assembled simple and easy operation platform which characterized in that: the steel pipe well guide platform comprises a platform main body and a connecting assembly used for connecting the platform main body and the inner wall of a guide well, wherein the platform main body comprises a semicircular steel pipe frame, a semicircular steel bar mesh fixedly arranged on the semicircular steel pipe frame and a cross-shaped support frame arranged on the inner side of the semicircular steel pipe frame and used for supporting the semicircular steel bar mesh; the connecting assembly comprises a plurality of connecting units arranged along the arc sections of the semicircular steel pipe frame, and each connecting unit comprises a steel sleeve anchored in the inner wall of the guide shaft, a horizontal supporting rod inserted in the steel sleeve and connected with the steel sleeve in a threaded manner, and a plurality of steel mesh connecting pieces arranged on the rod sections of the horizontal supporting rods extending out of the inner wall of the guide shaft and used for connecting the semicircular steel mesh.
Foretell inclined shaft is anti to draw reaming construction card to bore rescue and is used assembled simple and easy operation platform, its characterized in that: the length of the horizontal support rod extending out of the inner wall of the guide shaft is not less than half of the radius of the semicircular steel pipe frame.
Foretell inclined shaft is anti to draw reaming construction card to bore rescue and is used assembled simple and easy operation platform, its characterized in that: the length of the horizontal support rod extending into the inner wall of the guide well is not less than half of the length of the horizontal support rod extending out of the inner wall of the guide well, and external threads are formed on a rod section of the horizontal support rod extending into the inner wall of the guide well.
Foretell inclined shaft is anti to draw reaming construction card to bore rescue and is used assembled simple and easy operation platform, its characterized in that: and one end of the horizontal support rod, which is far away from the inner wall of the guide shaft, is provided with a limiting column which penetrates through the mesh opening of the semicircular reinforcing mesh.
Foretell inclined shaft is anti to draw reaming construction card to bore rescue and is used assembled simple and easy operation platform, its characterized in that: the steel mesh connecting piece comprises a cross positioning buckle used for clamping the cross intersection of the semicircular steel bar mesh, a mounting seat used for connecting the cross positioning buckle and the horizontal support rod, and a binding steel wire rope used for connecting the semicircular steel bar mesh and the horizontal support rod, the mounting seat is sleeved on the horizontal support rod, and the cross positioning buckle is rotatably connected with the horizontal support rod.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the platform main body is arranged on the inner wall of the guide shaft, so that firstly, the operation area of the stuck drill rescue can be enlarged, the rescue operation is more convenient, secondly, a rest platform can be provided for personnel climbing the guide shaft, the fatigue operation is avoided, and the personal safety of the operating personnel can be ensured.
2. According to the utility model, the connecting assembly is arranged to detachably connect the platform main body and the guide well, so that the dismounting is quick and convenient, the platform main body is convenient to recover after use, and the resources are saved.
3. According to the utility model, the horizontal support rod is in threaded connection with the guide well through the arrangement of the steel sleeve, so that the integral connection structure is more stable, and meanwhile, the dismounting is convenient.
4. According to the utility model, the steel mesh connecting piece is arranged on the horizontal support rod to fix the semicircular steel bar mesh, so that the stable connection relation between the semicircular steel bar mesh and the horizontal support rod can be ensured, and the force applied to the semicircular steel bar mesh by an operator can be transmitted to the guide well through the horizontal support rod, thereby ensuring the stability of the semicircular steel bar mesh structure and having good use effect.
In conclusion, the drilling guide shaft has the advantages that the structure is simple, the design is reasonable, the practicability is high, the platform main body is arranged on the inner wall of the guide shaft, firstly, the operation area of the stuck drill rescue can be enlarged, the rescue operation is more convenient, secondly, a rest platform can be provided for personnel climbing the guide shaft, the fatigue operation is avoided, and the personal safety of the operating personnel can be guaranteed; in addition, the connecting assembly is used for disassembling the connecting platform main body and the guide well, the disassembly is quick and convenient, the platform main body is convenient to use and then is recovered, and resources are saved.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the horizontal support bar and the steel net connecting member according to the present invention.
Fig. 3 is a state diagram of the present invention in use.
Description of reference numerals:
1-inclined shaft; 2-leading a well; 3-semicircular steel pipe frames;
4-semicircular reinforcing mesh; 5-a cross support frame; 6-steel sleeve;
7-horizontal support bar; 8-cutter head; 9-a limiting column;
10-a cross positioning buckle; 11-a mounting seat; and 12-binding the steel wire rope.
Detailed Description
As shown in fig. 1, 2 and 3, the present invention includes a platform main body and a connection assembly for connecting the platform main body to an inner wall of a guide shaft 2, wherein the platform main body includes a semicircular steel pipe frame 3, a semicircular steel mesh 4 fixedly disposed on the semicircular steel pipe frame 3, and a cross brace 5 disposed inside the semicircular steel pipe frame 3 and supporting the semicircular steel mesh 4; the connecting component comprises a plurality of connecting units arranged along the arc sections of the semicircular steel pipe frames 3, and each connecting unit comprises a steel sleeve 6 anchored in the inner wall of the guide well 2, a horizontal supporting rod 7 inserted in the steel sleeve 6 and in threaded connection with the steel sleeve, and a plurality of steel mesh connecting pieces arranged on the rod sections of the horizontal supporting rods 7 extending out of the inner wall of the guide well 2 and used for connecting the semicircular steel mesh 4.
The semicircular steel pipe frame 3 is bound and connected with the horizontal support rod 7 through a binding steel wire rope.
The pilot shaft 2 is generated in the reverse-pull hole-expanding construction of the inclined shaft 1, the inclination of the pilot shaft 2 is the same as that of the inclined shaft 1, and the diameter of the pilot shaft 2 is smaller than that of the inclined shaft 1.
In this embodiment, the number of the connection units is not less than six.
In this embodiment, the platform main body is located below the position where the cutter head 8 is stuck with a drill.
It should be noted that the anchoring and installation process of the steel sleeve 6 is as follows: the operating personnel depends on the safety rope and the climbing rope firstly, utilize the percussion drill to bore in the semicircle range of the inner wall of the guide shaft 2 and establish a plurality of anchoring holes, then anchor the steel sleeve 6 in the anchoring holes, the inner wall of the steel sleeve 6 is provided with internal threads, which is convenient for being in threaded connection with the horizontal support rod 7.
The anchoring holes should be avoided from being drilled in bad geological sections.
It should be noted that, by arranging the platform main body on the inner wall of the guide shaft 2, firstly, the operation area of the stuck drill rescue can be enlarged, so that the rescue operation is more convenient, and secondly, a rest platform can be provided for the personnel climbing the guide shaft 2, so that the fatigue operation is avoided, and the personal safety of the operating personnel can be ensured;
the connecting assembly is arranged to detachably connect the platform main body and the guide well 2, so that the disassembly is quick and convenient, the platform main body can be conveniently recycled after use, and resources are saved;
the horizontal support rod 7 is in threaded connection with the guide well 2 through the steel sleeve 6, so that the whole connection structure is more stable, and the dismounting is convenient;
through set up the fixed semicircular steel bar net 4 of steel mesh connecting piece on horizontal support bar 7, can guarantee the stable connection relation between semicircular steel bar net 4 and the horizontal support bar 7, make the operating personnel apply the power on semicircular steel bar net 4 can transmit to leading well 2 through horizontal support bar 7 to guarantee the stability of semicircular steel bar net 4 structure, excellent in use effect.
In this embodiment, the length of the horizontal support rod 7 extending out of the inner wall of the guide shaft 2 is not less than half of the radius of the semicircular steel pipe frame 3.
In this embodiment, the length of the horizontal support rod 7 extending into the inner wall of the guide well 2 is not less than half of the length of the horizontal support rod 7 extending out of the inner wall of the guide well 2, and an external thread is arranged on a rod section of the horizontal support rod 7 extending into the inner wall of the guide well 2.
In this embodiment, a limiting column 9 penetrating through the mesh hole of the semi-circular steel mesh 4 is disposed at one end of the horizontal support rod 7 away from the inner wall of the guide shaft 2.
In this embodiment, the steel mesh connector includes a cross positioning buckle 10 for clamping the cross of the semicircular steel bar mesh 4, a mounting seat 11 for connecting the cross positioning buckle 10 and the horizontal support rod 7, and a binding steel wire rope 12 for connecting the semicircular steel bar mesh 4 and the horizontal support rod 7, wherein the mounting seat 11 is sleeved on the horizontal support rod 7, and the cross positioning buckle 10 is rotatably connected with the horizontal support rod 7.
In this embodiment, the cross positioning buckle 10 is a cross positioning buckle for binding a steel wire rope, which is an invention patent with an authorization publication number of CN 101105025B.
It should be noted that when the semicircular steel pipe frame 3 and the semicircular steel bar mesh 4 need to be removed, the semicircular steel pipe frame 3 and the semicircular steel bar mesh 4 can be integrally lifted and removed by removing the cross positioning buckles 10 and the binding steel wire ropes 12; when the semicircular steel pipe frame 3 and the semicircular steel bar net 4 need to be installed again next time, the new cross positioning buckle 10 and the new binding steel wire rope 12 need to be replaced for safe and reliable connection.
It should be noted that, through the binding of the binding wire ropes 12, the semi-circular steel bar mesh 4 can be prevented from being stressed and tilted, and the personal safety of the operators on the semi-circular steel bar mesh 4 is ensured.
When the steel mesh connecting piece is actually used, firstly, the cross-shaped positioning buckle 10 is sleeved on the horizontal supporting rod 7 through the mounting seat 11, then the horizontal supporting rod 7 is in threaded connection with the steel sleeve 6, the platform main body is hoisted from the well opening of the guide shaft 2, the whole platform main body is placed on the connecting component from top to bottom, the horizontal supporting rod 7 supports the platform main body, and the limiting column 9 penetrates through the semicircular steel mesh 4 net hole to prevent the platform main body from horizontally sliding; and then, the cross positioning buckle is used for preliminarily positioning the position of the platform main body, and then the binding steel wire ropes 12 are used for binding and fixing, so that the whole platform main body is firmly and reliably fixed, and the personal safety of operators on the semicircular steel bar mesh 4 is ensured.
Even if the simple operation platform is used as an overhead temporary rest operation platform, safety protection measures such as a safety rope, a half-length safety belt, a falling stopper and the like need to be worn by an operator all the time, so that the personal safety of the operator is protected in all directions.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a slope is anti-draws reaming construction card to bore rescue and uses assembled simple and easy operation platform which characterized in that: the steel pipe well guide platform comprises a platform main body and a connecting assembly used for connecting the platform main body and the inner wall of a guide well (2), wherein the platform main body comprises a semicircular steel pipe frame (3), a semicircular steel bar mesh (4) fixedly arranged on the semicircular steel pipe frame (3) and a cross-shaped support frame (5) arranged on the inner side of the semicircular steel pipe frame (3) and used for supporting the semicircular steel bar mesh (4); the connecting assembly comprises a plurality of connecting units arranged along the arc sections of the semicircular steel pipe frames (3), wherein each connecting unit comprises a steel sleeve (6) anchored in the inner wall of the guide shaft (2), a horizontal supporting rod (7) inserted in the steel sleeve (6) and in threaded connection with the steel sleeve, and a plurality of steel mesh connecting pieces arranged on the rod sections of the horizontal supporting rods (7) extending out of the inner wall of the guide shaft (2) and used for connecting the semicircular steel mesh (4).
2. The assembled simple operation platform for the reverse-pulling reaming construction, drilling jamming and rescue of the inclined shaft according to claim 1, wherein the assembled simple operation platform comprises: the length of the horizontal support rod (7) extending out of the inner wall of the guide well (2) is not less than half of the radius of the semicircular steel pipe frame (3).
3. The assembled simple operation platform for inclined shaft counter-pulling reaming construction jamming rescue according to claim 2, characterized in that: the length that horizontal support rod (7) stretched into in leading well (2) inner wall is not less than horizontal support rod (7) stretch out the half of the length of leading well (2) inner wall, external screw thread has been seted up on the pole section that horizontal support rod (7) stretched into in leading well (2) inner wall.
4. The assembled simple operation platform for the reverse-pulling reaming construction, drilling jamming and rescue of the inclined shaft according to claim 1, wherein the assembled simple operation platform comprises: and one end of the horizontal support rod (7) far away from the inner wall of the guide well (2) is provided with a limiting column (9) which penetrates through a mesh hole of the semicircular reinforcing mesh (4).
5. The assembled simple operation platform for the reverse-pulling reaming construction, drilling jamming and rescue of the inclined shaft according to claim 1, wherein the assembled simple operation platform comprises: the steel mesh connecting piece comprises a cross positioning buckle (10) used for clamping the cross intersection of the semicircular steel mesh (4), a mounting seat (11) used for connecting the cross positioning buckle (10) and the horizontal supporting rod (7), and a binding steel wire rope (12) used for connecting the semicircular steel mesh (4) and the horizontal supporting rod (7), wherein the mounting seat (11) is sleeved on the horizontal supporting rod (7), and the cross positioning buckle (10) is rotatably connected with the horizontal supporting rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123442923.7U CN216518132U (en) | 2021-12-31 | 2021-12-31 | Assembled simple operation platform for sticking and rescuing in inclined shaft reverse-pulling reaming construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123442923.7U CN216518132U (en) | 2021-12-31 | 2021-12-31 | Assembled simple operation platform for sticking and rescuing in inclined shaft reverse-pulling reaming construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216518132U true CN216518132U (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123442923.7U Active CN216518132U (en) | 2021-12-31 | 2021-12-31 | Assembled simple operation platform for sticking and rescuing in inclined shaft reverse-pulling reaming construction |
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|---|---|
| CN (1) | CN216518132U (en) |
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2021
- 2021-12-31 CN CN202123442923.7U patent/CN216518132U/en active Active
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