CN215755943U - Hoisting anchor structure - Google Patents
Hoisting anchor structure Download PDFInfo
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- CN215755943U CN215755943U CN202121865761.5U CN202121865761U CN215755943U CN 215755943 U CN215755943 U CN 215755943U CN 202121865761 U CN202121865761 U CN 202121865761U CN 215755943 U CN215755943 U CN 215755943U
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Abstract
The utility model discloses a hoisting sky anchor structure which comprises a first steel plate, a first anchor rod group and lug plates, wherein the first anchor rod group penetrates through the first steel plate and is fixedly connected with the first steel plate, the two lug plates are fixedly connected with the first steel plate and are positioned below the first steel plate, and connecting shaft holes are formed in the lug plates. The upper part of the first anchor rod group is firmly bonded with the rock in the cavern to form an upper part bearing structure; the first steel plate and the lug plate are welded to form a lower lifting structure, and the upper structure and the lower structure are connected through the first steel plate in a welded mode. Compared with the common hoisting heavy member and equipment of the hydraulic underground cavern, which adopt bridge cranes and the like, the utility model has the characteristics of simple structure, strong hoisting capacity and less splicing and hoisting frequency in conjunction with the steel gate member of the diversion tunnel of the temporary building, thereby greatly saving the hoisting construction cost; and a plurality of sky anchor structures can be used in a combined manner, so that the construction is flexible, the hoisting difficulty is greatly reduced, and the construction safety is enhanced.
Description
Technical Field
The utility model relates to a temporary hoisting structure for a steel gate component or electromechanical equipment of an underground cavern in a hydropower and hydraulic engineering, in particular to a hoisting sky anchor structure.
Background
In the construction of water and electricity and hydraulic engineering, an overweight steel gate or electromechanical equipment is installed in a hydraulic underground cavern, for temporary hoisting construction of the steel gate or the electromechanical equipment, a bridge crane is generally adopted to hoist in a permanent hydraulic underground cavern, and a gantry crane or a crane is generally adopted to hoist in an underground cavern with larger space size. And for the hoisting and assembling of the steel gate of the diversion tunnel of the temporary building, the hoisting and the assembling only need to be carried out once section by section, and the steel gate is assembled after being hoisted to the assembling platform. If the bridge crane is adopted for hoisting, the design and construction of the cavern are complex and uneconomical; if a gantry crane and a crane are adopted for hoisting, the implementation is difficult, the safety risk is high, the hoisting space at the upper part of the diversion tunnel is limited, special excavation and support design needs to be carried out on the hoisting space, and the construction cost is high.
Therefore, a hoisting and assembling structure of the steel gate/electromechanical equipment, which has strong hoisting capacity and can be suitable for the chamber environment of the diversion tunnel of the temporary building, needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that aiming at the defects of the prior art, the hoisting sky anchor structure is provided, has the characteristics of simple structure, strong hoisting capacity and less assembling and hoisting frequency in accordance with the steel gate component of the diversion tunnel of the temporary building, and greatly saves the hoisting construction cost.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a hoist and mount sky anchor structure, includes first steel sheet, first stock group, otic placode, first stock group passes first steel sheet and with first steel sheet fixed connection, two the otic placode with steel sheet fixed connection, and be located the below of first steel sheet, the connecting shaft hole has been seted up on the otic placode.
The main body stress structure of the sky anchor structure is formed by a first steel plate and a first anchor rod group, wherein the upper part of the first anchor rod group is firmly bonded with rocks in a cavity to form an upper part bearing structure; the first steel plate and the lug plate are welded to form a lower lifting structure, and the upper structure and the lower structure are connected through the first steel plate in a welded mode. Compared with the common hoisting heavy member and equipment of the hydraulic underground cavern, which adopt bridge cranes and the like, the utility model has the characteristics of simple structure, strong hoisting capacity and less splicing and hoisting frequency in conjunction with the steel gate member of the diversion tunnel of the temporary building, thereby greatly saving the hoisting construction cost; and a plurality of sky anchor structures can be used in a combined manner, so that the construction is flexible, the hoisting difficulty is greatly reduced, and the construction safety is enhanced.
And the two lug plates are fixed through the rib plates, so that the strength of the lower lifting structure is further enhanced.
Furthermore, the first anchor rod group is composed of a plurality of anchor rods arranged in parallel, and external threads are arranged on exposed parts of the anchor rods. The exposed lengths of the anchor rods are consistent, anchor rod holes are perpendicular to the first steel plate during construction, and cement mortar is used for grouting and the anchor rods are required to be full and compact.
Further, the first anchor rod group is fixed with the first steel plate through a bolt. The first steel plate is tightly attached to the repaired smooth rock surface and serves as a base plate, and the bolts ensure that the first steel plate is kept horizontal and enable all anchor rods to be stressed uniformly.
Furthermore, the steel plate fixing device further comprises a second anchor rod group and connecting steel bars, wherein the second anchor rod group is located outside the first steel plate and is connected with the first steel plate through the connecting steel bars. The first steel plate is held and welded through connecting reinforcing bar and second stock group, and the upper portion of second stock group firmly bonds with the indoor rock in hole, further strengthens the intensity that upper portion held the structure of drawing.
Furthermore, the second anchor rod group is composed of a plurality of anchor rods arranged in parallel.
Further, still include the second steel sheet, second steel sheet fixed connection be in the lower surface of first steel sheet, and with the setting is hugged closely to first steel sheet, first stock group passes respectively first steel sheet, second steel sheet and with first steel sheet, second steel sheet pass through bolt fixed connection.
Further, the size of the second steel plate is smaller than that of the first steel plate.
Compared with the prior art, the utility model has the beneficial effects that:
compared with the common hoisting heavy member and equipment of a hydraulic underground cavern, which adopt bridge cranes and the like, the hoisting sky anchor structure has the characteristics of simple structure, strong hoisting capacity, and less assembling and hoisting frequency in conjunction with the steel gate member of the diversion tunnel of the temporary building, thereby greatly saving the hoisting construction cost; and a plurality of sky anchor structures can be used in a combined manner, so that the construction is flexible, the hoisting difficulty is greatly reduced, and the construction safety is enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description only relate to some embodiments of the present invention and are not limiting to the present invention.
Fig. 1 is a schematic structural view of an embodiment of a hoisting sky anchor structure of the present invention.
Fig. 2 is a front view of one embodiment of the hoisting sky anchor structure of the present invention.
Fig. 3 is a side view of an embodiment of the hoisting sky anchor structure of the present invention.
Fig. 4 is a top view of an embodiment of the hoisting sky anchor structure of the present invention.
Fig. 5 is a bottom view of an embodiment of the hoisting sky anchor structure of the present invention.
Reference numerals:
1-a first steel plate; 2-a first set of anchors; 3-ear plate; 4-connecting the shaft hole; 5-a rib plate; 6-bolt; 7-a second set of anchors; 8-connecting reinforcing steel bars; 9-second steel plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to direct connections, but also include indirect connections. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
At least one embodiment of the utility model provides a hoisting anchor structure, in order to show the structural characteristics of the bottom of the utility model, fig. 1 shows a structural schematic diagram of the hoisting anchor structure when the hoisting anchor structure is inverted, and during actual construction, the direction of the hoisting anchor structure is opposite to the up-and-down direction of fig. 1. In fig. 2 to 4, the directions are all the same as the directions in actual construction use, and the definitions of the directions such as "up" and "down" in the following description are the same as the directions in actual construction use.
As shown in fig. 1-5, the hoisting sky anchor structure of the utility model comprises a first steel plate 1, a first anchor rod group 2, ear plates 3 and a rib plate 5, wherein the first anchor rod group 2 penetrates through the first steel plate 1 and is fixedly connected with the first steel plate 1, the two ear plates 3 are fixedly connected with the first steel plate 1 and are positioned below the first steel plate 1, and a connecting shaft hole 4 is formed in each ear plate 3. The two ear plates 3 are fixed by the rib plates 5. The first anchor rod group 2 is composed of a plurality of anchor rods arranged in parallel, and external threads are arranged on exposed parts of the anchor rods.
The main body stress structure of the sky anchor structure is formed by a first steel plate and a first anchor rod group, wherein the upper part of the first anchor rod group is firmly bonded with rocks in a cavity to form an upper part bearing structure; the first steel plate, the lug plate and the rib plate are welded to form a lower lifting structure, and the upper structure and the lower structure are connected through the first steel plate in a welded mode.
Preferably, the steel plate type anchor rod further comprises a second anchor rod group 7, a connecting steel bar 8 and a second steel plate 9, wherein the second anchor rod group 7 is located outside the first steel plate 1 and is connected with the first steel plate 1 through the connecting steel bar 8. The second anchor rod group 7 is composed of a plurality of anchor rods arranged in parallel. Second steel sheet 9 fixed connection be in the lower surface of first steel sheet 1, and with first steel sheet 1 hugs closely the setting, two otic placode fixed connection is at the lower surface of second steel sheet 9, first stock group 2 passes respectively first steel sheet 1, second steel sheet 9 and with first steel sheet 1, second steel sheet 9 fixed connection. The size of the second steel plate 9 is smaller than that of the first steel plate 1, the first anchor rod group is connected with the first steel plate and the second steel plate through bolts in a fastening mode, and the strength of the upper bearing and pulling structure is further enhanced through the second anchor rod group, the second steel plate and the connecting steel bars.
The steps during construction and installation are as follows:
1) a first anchor rod group 2 and a second anchor rod group 7 are arranged on an upper hoist chamber crown of an upper part of a vertical shaft of a diversion tunnel buried type lock chamber, a bolt 6 is screwed on the end part of the first anchor rod group 2, and a first steel plate 1 is installed by clinging to the bolt 6.
2) And after the two ends of the connecting steel bar 8 are welded with the second anchor rod group 7, the first steel plate 1 is held and welded. The second steel plate 9, the lug plates 3 and the rib plates 5 are welded into a whole in advance, and after the second steel plate 9 is attached to the first steel plate 1 in a close contact manner, the bolts 6 are mounted on the lower portion of the second steel plate 9.
Taking a certain hydropower and hydraulic engineering project as an example:
the first anchor rod group 2 is 12 anchor rods with the length of 4.5m and the diameter of 40mm, is distributed in the plane range of Q235 steel plates 2' with the length of 1.2m multiplied by 1.0m multiplied by 0.05m (length multiplied by width multiplied by thickness), enters the rock by 4.2m and is tapped in the range of exposed 0.3 m. When the first anchor rod group 2 is constructed, the anchor rod holes are vertical, the exposed lengths of the anchor rods are consistent, and the anchor rods are required to be full and compact by using M30 cement mortar for grouting.
The first steel plate 1 is made of Q235, has the size of 1.6m multiplied by 1.4m multiplied by 0.03m (length multiplied by width multiplied by thickness), is tightly attached to the repaired and flat rock surface, and is used as a backing plate to enable all anchor rods to be stressed uniformly. The bolts 6 are positioning bolts, so that the first steel plate 1 is ensured to be kept horizontal, and the first steel plate 1 and the second steel plate 9 are ensured to be firmly fixed. After the second steel plate 9 is welded with the ear plates 3 and the rib plates 5, welding quality inspection and acceptance inspection are needed, and the first steel plate 1 and the second steel plate 9 are fixed firmly by using the bolts 6 after the welding is qualified.
The second anchor rod group 7 takes 4 anchor rods with the length of 9.0m and the diameter of 32mm, and the 4 anchor rods are distributed on the periphery of the first steel plate 1 and enter the rock by 8.5 m. The connecting steel bar 4 is 2.0m in length and 32mm in diameter, the two ends of the connecting steel bar are respectively welded with the two sides of the second anchor rod group 7 within the range of 0.3m, and the middle of the connecting steel bar is welded with the two sides of the first steel plate 1 within the range of 1.4 m.
A plurality of groups of same sky anchor structures are arranged on a top arch of a hoist chamber on the upper part of a diversion tunnel buried type lock chamber shaft for matching use, the platform elevation of the hoist chamber is 2667.0m, and a single-section 100t member of the diversion tunnel is lifted to a steel gate assembly platform with the height of 2635.0m for assembly.
Compared with the common hoisting heavy member and equipment of a hydraulic underground cavern, which adopt bridge cranes and the like, the hoisting sky anchor structure has the characteristics of simple structure, strong hoisting capacity, and less assembling and hoisting frequency in conjunction with the steel gate member of the diversion tunnel of the temporary building, thereby greatly saving the hoisting construction cost; and a plurality of sky anchor structures can be used in a combined manner, so that the construction is flexible, the hoisting difficulty is greatly reduced, and the construction safety is enhanced.
The foregoing examples are set forth to illustrate the present invention more clearly and are not to be construed as limiting the scope of the utility model, which is defined in the appended claims to which the utility model pertains, as modified in all equivalent forms, by those skilled in the art after reading the present invention.
Claims (8)
1. The utility model provides a hoist and mount sky anchor structure, its characterized in that includes first steel sheet (1), first stock group (2), otic placode (3), first stock group (2) pass first steel sheet (1) and with first steel sheet (1) fixed connection, two otic placode (3) with first steel sheet (1) fixed connection, and be located the below of first steel sheet (1), connection shaft hole (4) have been seted up on otic placode (3).
2. The hoisting sky anchor structure of claim 1, characterized by further comprising a rib plate (5), and the two ear plates (3) are fixed by the rib plate (5).
3. Hoisting sky anchor structure as claimed in claim 1, characterized in that the first set of anchor rods (2) consists of a plurality of parallel arranged anchor rods, the exposed parts of which are provided with external threads.
4. Hoisting sky-anchor structure according to claim 1, characterized in that the first set of anchors (2) is fixed with the first steel plate (1) by means of bolts (6).
5. The hoisting sky anchor structure of claim 1, characterized by further comprising a second anchor rod group (7) and a connecting steel bar (8), wherein the second anchor rod group (7) is located outside the first steel plate (1) and is connected with the first steel plate (1) through the connecting steel bar (8).
6. Hoisting sky anchor structure according to claim 5, characterized in that the second set of anchor rods (7) consists of a number of parallel arranged anchor rods.
7. The hoisting sky anchor structure of claim 5, characterized in that, still includes second steel sheet (9), second steel sheet (9) fixed connection is in the lower surface of first steel sheet (1), and with first steel sheet (1) hug closely the setting, first stock group (2) pass respectively first steel sheet (1), second steel sheet (9) and with first steel sheet (1), second steel sheet (9) fixed connection.
8. Hoisting sky anchor structure according to claim 5, characterized in that the size of the second steel plate (9) is smaller than the size of the first steel plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121865761.5U CN215755943U (en) | 2021-08-11 | 2021-08-11 | Hoisting anchor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121865761.5U CN215755943U (en) | 2021-08-11 | 2021-08-11 | Hoisting anchor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215755943U true CN215755943U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121865761.5U Active CN215755943U (en) | 2021-08-11 | 2021-08-11 | Hoisting anchor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215755943U (en) |
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2021
- 2021-08-11 CN CN202121865761.5U patent/CN215755943U/en active Active
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