CN220015124U - A solid wall device that is used for gobi desert cobble layer photovoltaic to draw hole - Google Patents

A solid wall device that is used for gobi desert cobble layer photovoltaic to draw hole Download PDF

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Publication number
CN220015124U
CN220015124U CN202321426592.4U CN202321426592U CN220015124U CN 220015124 U CN220015124 U CN 220015124U CN 202321426592 U CN202321426592 U CN 202321426592U CN 220015124 U CN220015124 U CN 220015124U
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Prior art keywords
wall
protection pipe
wall protection
hole
gun hammer
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Active
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CN202321426592.4U
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Inventor
马田
关雅佩
叶全生
王振南
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Shaanxi Honghu Huasheng Construction Engineering Co ltd
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Shaanxi Honghu Huasheng Construction Engineering Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

The utility model relates to the technical field of perforation reinforcement, and discloses a wall fixing device for photovoltaic hole guiding of a cobble layer of a Gobi desert, which comprises a gun hammer column and further comprises: the inner diameter of the wall protection pipe is matched with the outer diameter of the gun hammer column, the wall protection pipe is in clearance fit with the gun hammer column, the wall protection pipe is made of metal, the limiting piece is fixedly sleeved on the upper portion of the gun hammer column, the size of the limiting piece is larger than that of the wall protection pipe, when the gun hammer column stretches into a stone layer downwards, the limiting piece is used for resisting the end face of the wall protection pipe, and the wall protection pipe moves downwards along with the gun hammer column synchronously. According to the utility model, the wall protection pipe can be propped against the upper end surface of the wall protection pipe by the limiting piece in the downward moving process of the gun hammer column of the gun hammer machine, so that the wall protection pipe can extend into a stone layer along with the gun hammer column, and thus the perforation of a stone layer is completed, the gun hammer column is separated from the wall protection pipe after retraction, the wall protection pipe is placed in a hole, and collapse of an inner hole of the stone layer with holes and falling of stone blocks to the bottom of the hole can be avoided by the wall protection pipe.

Description

A solid wall device that is used for gobi desert cobble layer photovoltaic to draw hole
Technical Field
The utility model relates to the technical field of perforation reinforcement, in particular to a wall fixing device for photovoltaic hole guiding of a cobble layer of Gobi desert.
Background
In order to develop the Xinjiang photovoltaic power generation industry, photovoltaic coverage is needed for a large area of the Gobi desert, a foundation is laid for replacing traditional power generation by utilizing a photo-thermal energy source of a photovoltaic board in the future, as the Gobi desert strong wind is common, and even ten grades of strong wind can be achieved at maximum, for the photovoltaic board, a stable foundation is critical, and therefore photovoltaic hole casting piles are formed on the cobble layer of the Gobi desert in a photovoltaic mode.
The current punching method comprises the steps of firstly utilizing a gun hammer column on a gun hammer machine to vertically extend downwards into a stone layer to carry out punching, then moving the gun hammer column upwards, forming holes in the stone layer, arranging a reinforcing steel bar support cage in the holes after punching, then pouring cement and filling piles, wherein the gun hammer column of the gun hammer machine is of a pointed bottom shape with the length of about 2m and the diameter of 30cm, and the poured foundation piles are higher than the surface stone layer.
The cobble layer stratum of the gobi desert belongs to the very easy collapse landform, gravel and cobble are combined, and the soil is little, so that after the gobi desert is perforated, the cobble layer in the hole is lack of a fulcrum and is easy to collapse or the cobble falls to the bottom of the hole, so that the rework rate is higher, the progress cannot be effectively advanced at a later time, a large amount of equipment resources and human resources are wasted, and the engineering cost is increased.
Disclosure of Invention
The utility model provides a wall fixing device for photovoltaic hole guiding of a gobi desert cobble layer, which is characterized in that a wall protecting pipe can be propped against the upper end surface of the wall protecting pipe by a limiting piece in the downward moving process of a hammer post of a hammer machine, so that the wall protecting pipe can extend into a stone layer along with the hammer post, thereby completing the perforation of the stone layer, and after the hammer post retracts, the wall protecting pipe can be separated from the wall protecting pipe, so that the wall protecting pipe is arranged in a hole, and the wall protecting pipe is made of metal material and has certain strength, so that the wall protecting pipe can be used for preventing collapse of an inner hole of the perforated stone layer and the falling of stones to the bottom of the hole, and can be recycled, thereby greatly reducing the cost.
The utility model provides a wall fixing device for photovoltaic hole guiding of a cobble layer of Gobi desert, which comprises a gun hammer column and further comprises: the wall protection pipe is made of metal, the limiting piece is fixedly sleeved on the upper portion of the gun hammer column, the size of the limiting piece is larger than that of the wall protection pipe, when the gun hammer column stretches into a stone layer downwards, the limiting piece is used for resisting the end face of the wall protection pipe, and the wall protection pipe moves downwards along with the gun hammer column synchronously.
Preferably, the limiting member comprises a flange plate, and the outer diameter of the flange plate is larger than that of the wall protecting tube.
Preferably, the length of the wall protection pipe is smaller than that of the gun hammer column, and the wall protection pipe does not fall off when the wall protection pipe is sleeved on the gun hammer column and is not subjected to external force, and a gap between the inner diameter of the wall protection pipe and the outer diameter of the gun hammer column is 0.5cm to 1cm.
Preferably, the upper side wall of the wall protection pipe is fixedly connected with an ear hook.
Preferably, the lower end of the wall protection pipe is fixedly connected with a conical sleeve, the end part of the upper opening of the conical sleeve is fixedly connected with the wall protection pipe, the upper opening of the conical sleeve is matched with the outer diameter of the wall protection pipe, the lower opening of the conical sleeve is matched with the inner diameter of the wall protection pipe, and the conical sleeve is made of metal.
Preferably, the wall protecting pipe and the conical sleeve are made of high manganese steel.
Preferably, the wall protection pipe further comprises a plurality of positioning rings, wherein the inner diameter of each positioning ring is larger than the outer diameter of the wall protection pipe, a plurality of anchor rods used for positioning are fixedly connected to the lower ends of the positioning rings, and the positioning rings are used for positioning during punching.
Preferably, the telescopic device further comprises a first telescopic rod which is horizontally arranged, two ends of the first telescopic rod are respectively connected with two horizontal second telescopic rods, the two similar second telescopic rods are symmetrical with respect to the axis of the first telescopic rod, the axis of the first telescopic rod is perpendicular to the axis of the second telescopic rod, the positioning rings are fixedly arranged on the cylinders of the second telescopic rods and are connected with the first telescopic rods, the positioning rings are connected with the output shaft ends of the second telescopic rods in one-to-one correspondence, and the positioning rings are detachably connected with the corresponding second telescopic rods.
Preferably, the positioning ring is fixedly connected with a sliding rod, and a sliding hole matched with the sliding rod is formed in the end part of the output end of the second telescopic rod.
Preferably, the first telescopic rod is connected with each second telescopic rod through bolts, and scale marks are engraved on the first telescopic rod and each second telescopic rod.
Compared with the prior art, the utility model has the beneficial effects that: the wall protection pipe can be propped against the upper end face of the wall protection pipe by utilizing the limiting piece in the downward moving process of the gun hammer column of the gun hammer machine, so that the wall protection pipe can extend into a stone layer along with the gun hammer column, the perforation of a stone layer is completed, the gun hammer column is separated from the wall protection pipe after retracting, the wall protection pipe is arranged in a hole, the wall protection pipe is made of metal materials through limiting, certain strength is achieved, the wall protection pipe can be utilized to avoid collapse of an inner hole of the stone layer with holes, the stone falls to the bottom of the hole, the reinforcing steel bar support can be arranged in the hole after the wall protection pipe is perforated and installed, the wall protection pipe can be pulled upwards by adopting the pouring quantity of the cement pouring process until the pouring of the cement pile is completed, the wall protection pipe can be recycled, and the cost is greatly reduced.
Drawings
Fig. 1 is a schematic diagram of an internal cross-sectional structure of a wall fixing device for photovoltaic drainage holes of cobblestones in gobi desert according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic top view angle structure of a first telescopic rod in a wall fixing device for photovoltaic hole guiding of a cobble layer in gobi desert according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a gun hammer column; 2. a wall protecting tube; 3. a limiting piece; 31. a flange plate; 4. ear-hanging; 5. a conical sleeve; 6. a positioning ring; 61. a slide bar; 7. a bolt; 8. a first telescopic rod; 9. a second telescopic rod; 91. a sliding hole; 92. graduation marks.
Detailed Description
One embodiment of the present utility model will be described in detail below with reference to the attached drawings, but it should be understood that the scope of the present utility model is not limited by the embodiment.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the technical solutions of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Referring to fig. 1, the utility model provides a wall fixing device for photovoltaic hole guiding of a cobble layer of a gobi, which comprises a hammer column 1 and further comprises: the wall protection pipe 2 and the limiting piece 3 are matched, the inner diameter of the wall protection pipe 2 is matched with the outer diameter of the gun hammer column 1, the wall protection pipe 2 is in clearance fit with the gun hammer column 1, after the gun hammer column 1 is pricked into a stone layer through limiting clearance fit, the gun hammer column 1 is pulled out, the wall protection pipe 2 cannot be pulled out together with the wall protection pipe 2, the limiting piece 3 is fixedly sleeved on the upper portion of the gun hammer column 1, the size of the limiting piece 3 is larger than that of the wall protection pipe 2, when the gun hammer column 1 stretches into the stone layer downwards, the limiting piece 3 is used for resisting the end face of the wall protection pipe 2, the wall protection pipe 2 moves downwards along with the gun hammer column 1 synchronously, the limiting piece 3 comprises a flange disc 31, and the outer diameter of the flange disc 31 is larger than that of the wall protection pipe 2.
In the above embodiment, the wall protection pipe 2 can be propped against the upper end face of the wall protection pipe 2 by utilizing the flange plate 31 in the process of downward moving of the gun hammer column 1 of the gun hammer machine, so that the wall protection pipe 2 can be stretched into a stone layer along with the gun hammer column 1, and thus the perforation of a stone layer is completed, the gun hammer column 1 is retracted and then separated from the wall protection pipe 2, the wall protection pipe 2 is placed in a hole, the wall protection pipe 2 is limited to be made of a metal material and has a certain strength, the collapse of the inner hole of the stone layer with holes can be avoided by utilizing the wall protection pipe 2, and the situation that stones fall to the bottom of the hole can be avoided, after the wall protection pipe 2 is perforated and installed, a reinforcing steel bar bracket is placed in the hole, and the pouring process of cement can be adapted to the pouring quantity of the reinforcing steel bar bracket, and the wall protection pipe 2 is gradually pulled up until the pouring of the cement pile is completed, and the upper end of the wall protection pipe 2 is not completely stretched into the stone layer, and the upper end of the wall protection pipe 2 is exposed and can be recycled, so that the cost is greatly reduced.
Further, referring to fig. 1, the length of the wall protection tube 2 is smaller than the length of the gun-hammer column 1, when the wall protection tube 2 is sleeved on the gun-hammer column 1 and is not subjected to external force, the wall protection tube 2 does not fall off, the gap between the inner diameter of the wall protection tube 2 and the outer diameter of the gun-hammer column 1 is 0.5cm to 1cm, and the length of the wall protection tube 2 is 1.8m high.
In the above embodiment, through limiting the gap size, the protection wall pipe 2 can be ensured not to be pulled by downward external force, the protection wall pipe 2 can be sleeved on the gun hammer column 1, and during each operation, the gun hammer column 1 with the protection wall pipe 2 only needs to extend into a stone layer to a positioning position, so that the operation is more convenient, and the efficiency is improved.
Further, referring to fig. 1, an ear hook 4 is fixedly connected to the upper side wall of the retaining wall tube 2.
In the above embodiment, the ear hook 4 is convenient for the operation of the subsequent wall protecting tube 2 when being lifted, and the hanging buckle can be taken out by using a wire rope and other modes.
Further, referring to fig. 1 and 3, the lower end of the wall protecting tube 2 is fixedly connected with a conical sleeve 5, the upper opening end of the conical sleeve 5 is fixedly connected with the wall protecting tube 2, the upper opening of the conical sleeve 5 is matched with the outer diameter of the wall protecting tube 2, the lower opening of the conical sleeve 5 is matched with the inner diameter of the wall protecting tube 2, and the conical sleeve 5 is made of metal.
In the above embodiment, since the wall protecting pipe 2 has a certain thickness, the conical sleeve 5 is arranged below the wall protecting pipe 2, so that when the wall protecting pipe 2 moves downwards along with the gun hammer column 1, the conical sleeve 5 utilizes the conical shape, the abrasion of the stone layer to the edge of the lower end of the wall protecting pipe 2 is reduced, meanwhile, the resistance in moving downwards is reduced, and the overall efficiency is improved.
Further, referring to fig. 1, the wall protecting tube 2 and the conical sleeve 5 are made of high manganese steel.
In the above embodiment, the wall protecting tube 2 and the conical sleeve 5 are made of high manganese steel, so that the high wear resistance and high strength of the wall protecting tube can be utilized to protect the arm, deformation and failure of the two layers caused by extrusion of the stone layer are prevented, and serious abrasion of the stone layer on the two layers is avoided.
Further, referring to fig. 1 and 3, the positioning device further comprises a plurality of positioning rings 6, wherein the inner diameter of each positioning ring 6 is larger than the outer diameter of the retaining wall pipe 2, a plurality of anchor rods 7 used for positioning are fixedly connected to the lower ends of the positioning rings 6, and the positioning rings 6 are used for positioning during punching.
In the above embodiment, the positioning ring 6 is used for positioning the required punching position, so that the operator can know the specific position when punching, and the anchor rod 7 is used for fixing the position of the positioning ring 6, so as to improve the stability of the positioning ring.
Further, referring to fig. 1 and 3, the utility model further comprises a first telescopic rod 8 which is horizontally arranged, two ends of the first telescopic rod 8 are respectively connected with two horizontal second telescopic rods 9, two similar second telescopic rods 9 are symmetrical with respect to the axis of the first telescopic rod 8, the axis of the first telescopic rod 8 is vertical to the axis of the second telescopic rod 9, the positioning rings 6 are arranged, the fixed barrels of the second telescopic rods 9 are connected with the first telescopic rods 8, each positioning ring 6 is connected with the end parts of the output shafts of the second telescopic rods 9 in a one-to-one correspondence manner, and the positioning rings 6 are detachably connected with the corresponding second telescopic rods 9.
In the above embodiment, when hole positioning and punching are manually performed at present, each time punching is required to perform one-to-one measurement on positions, the measured process may further have angle deviation, so that the whole construction period is influenced, the reworking rate is higher, labor cost and labor intensity are both high, therefore, the length of a fixed cylinder can be shortened to be the same as that of a telescopic fishing rod when the first telescopic rod 8 and the second telescopic rod 9 are arranged in a retracting manner, the telescopic fishing rod can be stretched in multiple stages like the telescopic fishing rod in a stretching manner, thereby the use of the on-site long distance is met, the relative positions of the second telescopic rods 9 and the first telescopic rod 8 are convenient to carry in retracting, the set relative positions of the second telescopic rods 9 and the first telescopic rod 8 can be convenient for positioning four positions at one time, specifically, when the gobi cobble layer photovoltaic guiding hole piles are required to be performed according to the current construction requirement, the distance between the apertures of the two holes at left and right levels is 4.1m, and the distance between the apertures of the two holes at the front and the rear is 2.35m, therefore, the positions of four positioning rings 6 can be adjusted and fixed according to the adjusted positions of the telescopic fishing rod 8 and the relative positions of the second telescopic rod 9 can be realized, the positioning error can be more accurately achieved, and the positioning error can be realized when the positioning error is greater than 1.1 times when the positioning error is achieved, and the positioning error is achieved.
Further, referring to fig. 1 and 3, the positioning ring 6 is fixedly connected with a sliding rod 61, and the output end of the second telescopic rod 9 is provided with a sliding hole 91 matched with the sliding rod 61.
In the above embodiment, the sliding rod 61 is movably inserted along the sliding hole 91 of the second telescopic rod 9, and at the same time, the sliding rod 61 can be pulled out to realize the disassembly and separation.
Further, referring to fig. 1 and 3, the first telescopic rod 8 is connected to each second telescopic rod 9 by using bolts, and graduation marks 92 are engraved on each first telescopic rod 8 and each second telescopic rod 9.
In the above embodiment, be connected with each second telescopic link 9's stiff end through the first telescopic link 8 that sets up through the bolt, can be convenient for the dismouting of field usage, specifically, but the node of connection carries out the clamping through the clamp cover of pretension, and the curved clamp cover can press from both sides the three tip tightly after the bolt is screwed up, through the scale mark 92 that sets up, can convenient to use person to the unified regulation of the required standard length of second telescopic link 9, still be convenient for the regulation to the flexible length of first telescopic link 8.
The application method and the working principle are as follows: according to the relative position of the positioning holes, the relative positions of the second telescopic rod 9 and the third telescopic rod are adjusted, the relative positions of the four positioning rings 6 are just the positions required to be positioned and punched, the positioning rings 6 are inserted into a stone layer through the anchor rods 7 to fix the positions, the wall protection pipe 2 and the conical sleeve 5 can be sleeved on the gun hammer column 1 at the moment, the upper end face of the wall protection pipe 2 is contacted with the flange disc 31, the gun hammer machine is controlled, the lower tip of the gun hammer column 1 corresponds to the middle part of one positioning ring 6, the gun hammer column 1 and the wall protection pipe 2 can complete the perforation of a stone layer at the moment, after the gun hammer column 1 is pulled out, the wall protection pipe 2 can still be positioned in the hole by utilizing the fluidity of a cobble stone layer, so that the wall protection effect is finished, then a reinforcement cage is placed and installed in the hole, the reinforcement cage is fixed, the cement starts to be pulled out upwards according to the filling quantity adaptation until the wall protection pipe 2 is completely pulled out, the cement filling pile can be completely carried out to the position of the hole by 10 cm, and the cement filling pile can be completely carried out under the single hole when the filling hole is completed.
Embodiment two: in consideration of the field operation procedure and cost, after the retaining wall pipe 2 is left to the foundation in the hole, a temporary collar with the same length is placed at the inner diameter of the retaining wall pipe, the outer diameter of the collar is matched with the inner diameter of the retaining wall pipe and in clearance fit, the collar can be disassembled into two semicircular rings, the retaining wall pipe 2 can be extracted before grouting, the temporary collar is reserved in the hole, the collar is made of common extrusion-resistant steel, collapse is prevented after the retaining wall pipe 2 with higher cost and higher strength and abrasion degree is extracted and then used to other holes for punching, the collar can be slowly extracted in the pouring process, the efficiency is higher, and uniform punching and uniform pouring are realized.
The foregoing disclosure is merely illustrative of some embodiments of the utility model, but the embodiments are not limited thereto and variations within the scope of the utility model will be apparent to those skilled in the art.

Claims (10)

1. A solid wall device that is used for gobi desert cobble layer photovoltaic to draw hole, includes big gun hammer post (1), its characterized in that still includes:
the inner diameter of the wall protection pipe (2) is matched with the outer diameter of the gun hammer column (1), the wall protection pipe (2) is in clearance fit with the gun hammer column (1), and the wall protection pipe (2) is made of metal;
the limiting piece (3) is fixedly sleeved on the upper portion of the gun hammer column (1), the size of the limiting piece (3) is larger than that of the wall protection tube (2), when the gun hammer column (1) downwards stretches into a stone layer, the limiting piece (3) is used for resisting the end face of the wall protection tube (2), and the wall protection tube (2) synchronously moves downwards along with the gun hammer column (1).
2. The wall fixing device for the photovoltaic drainage hole of the cobble layer of the Gobi desert, as claimed in claim 1, wherein the limiting piece (3) comprises a flange plate (31), and the outer diameter of the flange plate (31) is larger than that of the wall protection pipe (2).
3. The wall fixing device for the photovoltaic hole guiding of the gobi desert cobble layer according to claim 2, wherein the length of the wall protecting tube (2) is smaller than that of the gun hammer column (1), when the wall protecting tube (2) is sleeved on the gun hammer column (1) and is not subjected to external force, the wall protecting tube (2) does not fall off, and a gap between the inner diameter of the wall protecting tube (2) and the outer diameter of the gun hammer column (1) is 0.5cm to 1cm.
4. The wall fixing device for the photovoltaic guide hole of the gobi desert cobble layer according to claim 3, wherein the upper side wall of the wall protecting tube (2) is fixedly connected with an ear hook (4).
5. The wall fixing device for the photovoltaic leading hole of the cobble layer of the Gobi desert is characterized in that a conical sleeve (5) is fixedly connected to the lower end of the wall protection pipe (2), the upper opening end of the conical sleeve (5) is fixedly connected with the wall protection pipe (2), the upper opening of the conical sleeve (5) is matched with the outer diameter size of the wall protection pipe (2), the lower opening of the conical sleeve (5) is matched with the inner diameter size of the wall protection pipe (2), and the conical sleeve (5) is made of metal.
6. The wall fixing device for the photovoltaic hole guiding of the gobi desert cobble layer is characterized in that the wall protecting pipe (2) and the conical sleeve (5) are made of high manganese steel.
7. The wall fixing device for the photovoltaic leading holes of the cobble layer of the Gobi desert is characterized by further comprising a plurality of positioning rings (6), wherein the inner diameter of each positioning ring (6) is larger than the outer diameter of the wall protection tube (2), a plurality of anchor rods (7) used for positioning are fixedly connected to the lower end of each positioning ring (6), and the positioning rings (6) are used for positioning during punching.
8. The wall fixing device for the photovoltaic leading hole of the cobble layer of the Gobi desert further comprises a first telescopic rod (8) which is horizontally arranged, two ends of the first telescopic rod (8) are respectively connected with two horizontal second telescopic rods (9), two similar second telescopic rods (9) are symmetrical relative to the axis of the first telescopic rod (8), the axis of the first telescopic rod (8) is perpendicular to the axis of the second telescopic rod (9), positioning rings (6) are arranged, fixed cylinders of the second telescopic rods (9) are connected with the first telescopic rods (8), each positioning ring (6) is connected to the end parts of output shafts of the corresponding second telescopic rods (9) in a one-to-one correspondence mode, and the positioning rings (6) are detachably connected with the corresponding second telescopic rods (9).
9. The wall fixing device for the photovoltaic guiding hole of the cobble layer of the Gobi desert, as claimed in claim 8, is characterized in that the locating ring (6) is fixedly connected with a sliding rod (61), and the output end part of the second telescopic rod (9) is provided with a sliding hole (91) matched with the sliding rod (61).
10. The wall fixing device for the photovoltaic drainage hole of the cobble layer of the Gobi desert, as claimed in claim 8, is characterized in that the first telescopic rods (8) are connected with the second telescopic rods (9) through bolts, and scale marks (92) are engraved on the first telescopic rods (8) and the second telescopic rods (9).
CN202321426592.4U 2023-06-06 2023-06-06 A solid wall device that is used for gobi desert cobble layer photovoltaic to draw hole Active CN220015124U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321426592.4U CN220015124U (en) 2023-06-06 2023-06-06 A solid wall device that is used for gobi desert cobble layer photovoltaic to draw hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321426592.4U CN220015124U (en) 2023-06-06 2023-06-06 A solid wall device that is used for gobi desert cobble layer photovoltaic to draw hole

Publications (1)

Publication Number Publication Date
CN220015124U true CN220015124U (en) 2023-11-14

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CN202321426592.4U Active CN220015124U (en) 2023-06-06 2023-06-06 A solid wall device that is used for gobi desert cobble layer photovoltaic to draw hole

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