High-pressure jet bag type expansion anchor rod for flexible photovoltaic support end of fishpond

Abstract

The utility model discloses a high-pressure jet bag type expansion anchor rod for a flexible photovoltaic support end of a fishpond, and relates to the field of new energy anchor rod foundations. Comprising an anchoring structure, and the anchoring structure comprises an anchor rod structure, an end abutting structure and a grouting structure; the end abutting structure is arranged on the anchor rod structure. Wherein the grouting structure is arranged on the anchor rod structure, and grout is injected into the end abutting structure so as to abut against a surrounding soil layer; and the connecting structure is arranged between the anchor rod structure and the flexible support end. The utility model has the advantages of simple structure, better applicability, stronger anti-drawing capability, and better safety and stability of the whole structure under the installation environment of poor geological conditions and low foundation bearing capacity.

Description

Technical Field

[0001] The utility model relates to the field of new energy anchor foundation, in particular to a high-pressure jet bag-type expanded anchor used for the end of a flexible photovoltaic bracket in a fish pond. Background Art

[0002] The flexible photovoltaic support structure is a mature photovoltaic support structure with advantages such as large span and strong terrain adaptability. It is currently widely used in domestic new energy projects. It uses the tensile properties of prestressed steel strands to achieve large-span structural layout, but the anchor system at the end is subject to huge tension internal forces. The basic design of the end anchor structure has always been an important part of the basic design of the flexible photovoltaic support.

[0003] Conventional foundation design is used in the flexible photovoltaic support structure of fish ponds. Usually, due to poor geological conditions, low foundation bearing capacity, and excessive internal structural forces, the foundation design is uneconomical, the stability and safety are poor, and it is difficult to carry out construction operations. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a high-pressure jet bag-type expanded anchor rod for the end of a flexible photovoltaic bracket in a fish pond, which has the effects of simple structure, greater stability, higher safety factor and better adaptability.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: The utility model proposes a high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic bracket in a fish pond, comprising:

[0006] Anchoring structure, the anchoring structure comprising an anchor rod structure, an end abutment structure and a grouting structure;

[0007] Wherein, the end abutment structure is arranged on the anchor rod structure;

[0008] Wherein, the grouting structure is arranged on the anchor rod structure, and grouting water is injected into the end tightening structure to tighten the surrounding soil layer;

[0009] A connecting structure is provided between the anchor structure and the end of the flexible bracket.

[0010] In a specific embodiment, the end tightening structure includes a high-pressure rotary grouting enlarger head and a bladder bag, the high-pressure rotary grouting enlarger head is arranged on the anchor rod structure, and the bladder bag is arranged in the high-pressure rotary grouting enlarger head.

[0011] In a specific embodiment, the anchor rod structure includes an anchor steel component, a clamping structure and an extrusion structure, the clamping structure is arranged on the anchor steel component to fix the bladder, and the extrusion structure is fitted on the anchor steel component to be connected to the grouting structure.

[0012] In a specific embodiment, the grouting structure includes a grouting pipe and a grouting opening, and the grouting pipe and the grouting opening are arranged on the anchoring steel component. The grouting pipe is pressed against the surrounding soil structure by grouting.

[0013] In a specific embodiment, the anchoring steel assembly includes a threaded steel bar and a PVC sleeve, the PVC sleeve is sleeved on the threaded steel bar, and the grouting pipe is sleeved on the threaded steel bar.

[0014] In a specific embodiment, the anchoring steel assembly is provided with circular pads and nuts, the circular pads are provided in two sets and are sleeved on the threaded steel to clamp and fix the clamping structure, and the nuts are provided at the bottom of the threaded steel to fix it.

[0015] In a specific embodiment, the anchoring steel component is further provided with a protective cap, and the protective cap can fix the anchoring steel component and the extrusion structure into a whole.

[0016] In a specific embodiment, a waterproof rubber sleeve and a rubber water-stop ring are provided between the threaded steel and the PVC sleeve to seal the connection structure between the two.

[0017] In a specific embodiment, the grouting opening passes through the clamping structure and the circular pad located above the extrusion structure so that slurry water can be injected into the extrusion structure through the grouting opening, thereby tightening the bladder.

[0018] In a specific embodiment, the connection structure includes a connecting member and a pull rod connected thereto, the connecting member is connected to the anchor rod structure, and the pull rod is connected to the end of the flexible bracket.

[0019] In summary, the utility model has the following beneficial effects:

[0020] 1. Simple structure and good economy;

[0021] 2. Strong adaptability;

[0022] 3.Higher safety and stability.

[0023] Additional aspects and advantages of the present invention will become apparent in the following description or will be understood through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0025] Figure 1It is a structural schematic diagram of a high-pressure jet bag-type expanded anchor rod used at the end of a flexible photovoltaic support in a fish pond;

[0026] Figure 2 It is a schematic diagram of the anchoring structure of a high-pressure jet bag-type expanded anchor rod used at the end of a flexible photovoltaic support in a fish pond;

[0027] Figure 3 It is a schematic diagram of the end-tightening structure of a high-pressure jet bag-type expanded anchor rod used at the end of a flexible photovoltaic support in a fish pond;

[0028] Figure 4 It is a schematic diagram of the connection relationship between the anchor rod structure and the extrusion structure of a high-pressure jet bag-type expanded anchor rod used at the end of a flexible photovoltaic support in a fish pond;

[0029] Figure 5 It is a schematic diagram of threaded steel and PVC casing for high-pressure jet bag-type expansion anchor rods used at the ends of flexible photovoltaic brackets in fish ponds.

[0030] Figure numerals: 1. anchoring structure; 101. anchor rod structure; 102. end tightening structure; 103. grouting structure; 104. high-pressure rotary jet enlargement head; 105. bladder bag; 106. anchoring steel assembly; 107. clamping structure; 108. extrusion structure; 109. grouting pipe; 110. grouting opening; 111. threaded steel; 112. PVC sleeve; 113. circular pad; 114. nut; 115. protective cap; 116. waterproof rubber sleeve; 117. rubber water stop ring; 2. connection structure; 201. connector; 202. pull rod; 3. bracket end. DETAILED DESCRIPTION

[0031] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0033] Refer to the following Figures 1 to 5 To describe the high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic support in a fish pond provided according to some embodiments of the utility model.

[0034] like Figures 1 to 5 As shown, the first embodiment of the utility model proposes a high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic bracket in a fish pond, comprising:

[0035] An anchoring structure 1, the anchoring structure 1 comprises an anchor rod structure 101, an end abutment structure 102 and a grouting structure 103;

[0036] Wherein, the end abutment structure 102 is arranged on the anchor rod structure 101;

[0037] The grouting structure 103 is arranged on the anchor structure 101, and grouting water is injected into the end tightening structure 102 to tighten the surrounding soil layer;

[0038] The connecting structure 2 is provided between the anchor structure 101 and the flexible support end 3 .

[0039] In this embodiment, it includes an anchoring structure 1, a connecting structure 2 and a flexible bracket end 3. The anchoring structure 1 includes a threaded steel bar and a non-expanded section structure near the flexible bracket end 3. The non-expanded section structure is provided with a coupling hole to connect with the connecting structure 2. The end abutting structure 102 is provided on the structure of the threaded steel bar near the bottom of the fish pond. The end abutting structure 102 includes a mud storage bag and an enlarged head structure. The bottom structure of the threaded steel bar is provided with a bag fixing plate. The number of bag fixing plates is at least two groups to fix the top and bottom structures of the mud storage bag. The top of the mud storage bag is provided with an opening to communicate with the grouting structure 103. A sealing structure is also provided at the connection gap between the two to seal to prevent slurry from overflowing, and the sealing is better. The slurry is pressurized into the sac body to fully ensure that the shape of the structure is uniform and dense, thereby improving the pull-out resistance of the anchoring structure 1. The enlarged head structure is provided on the outside of the mud storage bag, and the slurry is injected to expand its own structure, thereby expanding and tightening the surrounding soil, thereby improving the pull-out resistance of the anchoring structure 1. A controllable expansion and squeezing soil device is also sleeved on the outside of the threaded steel bar. The grouting structure 103 can inject grouting water into the controllable expansion and squeezing soil device, and further squeeze the surrounding soil layer during the gradual grouting process, further improving the pull-out resistance of the anchoring structure 1. The grouting structure 103 includes a first grouting pipe, a second grouting pipe and a high-pressure pump. The first grouting water pipe is connected to the controllable expansion and squeezing soil device and the enlarged head structure so as to transport slurry water into the two structures so that the structural dimensions of the two structures themselves change and the surrounding soil is pressed tightly. The second grouting pipe and the high-pressure pump are connected to the opening at the top of the mud storage bag so as to transport high-pressure slurry water into the bag to form a stone section structure, fully squeeze the surrounding soil, and improve the pull-out resistance of the anchoring structure 1. The anchoring structure 1 is also provided with a waterproof structure, which can seal the connection gap between the threaded steel bar and the end pressing structure 102. The connecting structure 2 includes a connecting piece and a pull rod structure. One end of the connecting piece is connected to the non-expanded section structure, and the other end structure is connected to the flexible bracket end 3. The pull rod is provided with multiple sizes of different lengths or is a telescopic structure so that its length can be adjusted according to the specific connection length, which is more practical.

[0040] It can be seen that the utility model has a simple structure, good applicability, strong pull-out resistance and good safety and stability of the overall structure in an installation environment with poor geological conditions and low foundation bearing capacity.

[0041] The second embodiment of the utility model proposes a high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic bracket in a fish pond, and based on any of the above embodiments, Figures 1 to 3 As shown, the end abutment structure 102 includes a high-pressure rotary grouting enlarger head 104 and a bag 105 . The high-pressure rotary grouting enlarger head 104 is disposed on the anchor rod structure 101 , and the bag 105 is disposed inside the high-pressure rotary grouting enlarger head 104 .

[0042] In this embodiment, the high-pressure rotary jet enlargement head 104 is arranged on the side of the anchor structure 101 close to the bottom of the fish pond. The high-pressure rotary jet enlargement head 104 expands its own structure by spraying slurry and then pushes and tightens the surrounding soil. The anchor structure 101 is located on the side of the bottom of the fish pond and is provided with fixings to fix the high-pressure rotary jet enlargement head 104. The number of fixings is multiple groups to improve the fixing effect. The bag 105 can form a stone body by injecting slurry. The pressurized perfusion in the bag fully ensures that the shape of the stone body is uniform and dense, thereby improving the pull-out resistance of the anchor structure 101.

[0043] The third embodiment of the utility model proposes a high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic bracket in a fish pond, and based on any of the above embodiments, Figures 1 to 4 As shown, the anchor rod structure 101 includes an anchoring steel component 106, a clamping structure 107 and an extrusion structure 108. The clamping structure 107 is arranged on the anchoring steel component 106 to fix the bag 105, and the extrusion structure 108 is fitted on the anchoring steel component 106 to be connected to the grouting structure 103.

[0044] In this embodiment, the clamping structure 107 includes two groups of clamping parts, which are sleeved on the anchor steel component 106, and the distance between the two is adapted to the size of the bag 105. The central structure of the clamping part is provided with a threaded groove to be threadedly connected with the anchor steel component 106, and the structures on both sides of the clamping part are provided with connecting holes that can be detachably connected with the bag 105 through the connecting parts, and the detachable connection is a threaded connection or a clamping connection. The extrusion structure 108 can receive the micro-expansion slurry delivered by the grouting structure 103, and further squeeze the surrounding soil layer during the gradual grouting process, thereby improving the pull-out resistance of the anchor structure 101.

[0045] The fourth embodiment of the utility model proposes a high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic bracket in a fish pond, and based on any of the above embodiments, Figures 2 to 4As shown, the grouting structure 103 includes a grouting pipe 109 and a grouting opening 110. The grouting pipe 109 and the grouting opening 110 are arranged on the anchoring steel component 106. The grouting pipe 109 is pressed against the surrounding soil structure by grouting.

[0046] In this embodiment, a high-pressure pump is provided between the grouting pipe 109 and the grouting opening 110. The high-pressure pump can transport the slurry delivered by the grouting pipe 109 to the grouting opening 110. The number of grouting openings 110 can be set in multiple groups to improve the transportation efficiency. The grouting pipe 109 is fitted on the anchoring steel component 106. When the slightly expanding slurry enters, it will squeeze the surrounding soil to expand the hole and fill it.

[0047] The fifth embodiment of the utility model proposes a high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic bracket in a fish pond, and based on any of the above embodiments, Figure 5 As shown, the anchoring steel assembly 106 includes a threaded steel bar 111 and a PVC sleeve 112 , the PVC sleeve 112 is sleeved on the threaded steel bar 111 , and the grouting pipe 109 is sleeved on the threaded steel bar 111 .

[0048] In this embodiment, the PVC sleeve 112 and the threaded steel bar 111 are extended to a certain length to be connected to the connecting structure 2. Anti-corrosion lubricating grease is also injected between the threaded steel bar 111 and the PVC sleeve 112 to increase the service life of both. The length of the grouting pipe 109 is about 50 mm out of the rock layer. The grouting pipe 109 can squeeze the micro-expansion slurry through a pressurized spiral nozzle at one end of the threaded steel bar 111 close to the connecting structure 2 to expand and fill the hole, thereby forming the first pull-out anchor body.

[0049] The sixth embodiment of the utility model proposes a high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic bracket in a fish pond, and based on any of the above embodiments, Figure 4 As shown, the anchoring steel component 106 is provided with a circular pad 113 and a nut 114. The circular pad 113 is provided in two sets and is fitted on the threaded steel 111 to clamp and fix the clamping structure 107. The nut 114 is provided at the bottom of the threaded steel 111 to fix it.

[0050] In this embodiment, the inner ring of the circular pad 113 is provided with a threaded structure to be threadedly connected with the threaded steel bar 111, and a rubber pad is provided on the structure where the circular pad 113 and the clamping structure 107 are coupled to improve the stability of the clamping structure 107. Two groups of circular pads 113 are arranged on the threaded steel bar 111 at a certain distance, and the distance between the two is adapted to the size of the clamping structure 107 so that the circular pads 113 can clamp it. The nut 114 is arranged below the circular pad 113 located at the bottom of the threaded steel bar 111. The nut 114 is screwed to fix the threaded steel bar 111 and the circular pad 113 as a whole, which has higher stability.

[0051] The seventh embodiment of the utility model proposes a high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic bracket in a fish pond, and based on any of the above embodiments, Figure 4 As shown, the anchoring steel component 106 is further provided with a protective cap 115 , and the protective cap 115 can fix the anchoring steel component 106 and the extruded structure 108 into a whole.

[0052] In this embodiment, a threaded groove is provided at the bottom of the extrusion structure 108, and a threaded section is provided at the structure where the top of the protective cap 115 and the extrusion structure 108 are coupled thereto, which can be threadedly connected to the threaded groove. A sealing ring is also provided at the connection between the two to improve the sealing of the overall structure after coupling. The protective cap 115 is a conical structure with the tip of the conical structure facing downward. The central structure is provided with a clamping groove, and the shape and size of the clamping groove are adapted to the bottom structure of the anchoring steel component 106. When the protective cap 115 is coupled to the extrusion structure 108, the clamping groove can clamp the anchoring steel component 106.

[0053] The eighth embodiment of the utility model proposes a high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic bracket in a fish pond, and based on any of the above embodiments, Figure 5 As shown, a waterproof rubber sleeve 116 and a rubber water stop ring 117 are provided between the threaded steel bar 111 and the PVC sleeve 112 to seal the connection structure between the two.

[0054] In this embodiment, the PVC sleeve 112 is sleeved on the threaded steel bar 111, and the waterproof rubber sleeve 116 is sleeved on the threaded steel bar 111 to cover and seal the PVC sleeve 112. The structure at the coupling point of the PVC sleeve 112 and the waterproof rubber sleeve 116 is provided with a threaded structure, and the waterproof rubber sleeve 116 is provided with a threaded section structure that can be threadedly connected to the threaded structure. A sealing gasket is provided at the connection between the two to further improve the sealing and waterproof capabilities.

[0055] The ninth embodiment of the utility model proposes a high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic bracket in a fish pond, and based on any of the above embodiments, Figure 4As shown, the grouting opening 110 penetrates the clamping structure 107 and the circular pad 113 located above the extrusion structure 108 so that slurry can be injected into the extrusion structure 108 through the grouting opening 110 to tighten the bag 105 .

[0056] In this embodiment, at least two groups of grouting openings 110 are provided to improve the efficiency of grouting the extrusion structure 108. The grouting openings 110 are tubular structures that can be connected to a high-pressure pump to inject slurry. The clamping structure 107 and the circular pad 113 corresponding to the grouting opening 110 are provided with through holes for the tubular structure to pass through. A sealing structure is also provided at the connection between the two to seal the structure at the gap. The extrusion structure 108 is a controllable expansion extrusion soil device. After the slurry is injected, it will expand to a certain extent to press against the bladder 105, thereby further improving the overall structure's anti-pullout ability.

[0057] The tenth embodiment of the utility model proposes a high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic bracket in a fish pond, and based on any of the above embodiments, Figure 1 As shown, the connection structure 2 includes a connection member 201 and a pull rod 202 connected thereto. The connection member 201 is connected to the anchor structure 101 , and the pull rod 202 is connected to the flexible bracket end 3 .

[0058] In this embodiment, the connector 201 is arranged at one end of the anchor rod structure 101, and a circular ring structure is arranged at one end of the anchor rod structure 101. At least part of the connector 201 can be detachably connected to the circular ring structure, and the detachable connection is a threaded connection. The connector 201 can be retracted so that personnel can adjust it according to the depth of the setting site. A plug-in is arranged at one end of the connector 201, and a pull rod 202 is provided with a slot that can be plugged with the plug-in. The pull rod 202 is tied to the three columns at the end of the flexible bracket. The pull rod 202 is obliquely anchored into the foundation rock layer, with an angle of 40° to 50° with the horizontal plane, and the anchoring depth is determined according to the geological conditions and basic parameters.

[0059] In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. The specific embodiments are merely explanations of the utility model, and they are not limitations of the utility model. After reading this specification, those skilled in the art may make modifications to the embodiments as needed without creative contributions, but they are protected by patent law as long as they are within the scope of the claims of the utility model.

Claims

1. A high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic support in a fish pond, characterized in that: include: An anchoring structure (1), the anchoring structure (1) comprising an anchor rod structure (101), an end abutment structure (102) and a grouting structure (103); Wherein, the end abutment structure (102) is arranged on the anchor rod structure (101); Wherein, the grouting structure (103) is arranged on the anchor rod structure (101), and grouting water is injected into the end tightening structure (102) to tighten the surrounding soil layer; A connecting structure (2), wherein the connecting structure (2) is arranged between the anchor rod structure (101) and the flexible support end (3).

2. According to claim 1, a high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic bracket in a fish pond, characterized in that: The end abutment structure (102) comprises a high-pressure rotary jet enlargement head (104) and a bag (105); the high-pressure rotary jet enlargement head (104) is arranged on the anchor rod structure (101), and the bag (105) is arranged inside the high-pressure rotary jet enlargement head (104).

3. According to claim 2, a high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic bracket in a fish pond is characterized in that: The anchor rod structure (101) includes an anchoring steel component (106), a clamping structure (107) and an extrusion structure (108), wherein the clamping structure (107) is arranged on the anchoring steel component (106) to fix the bag (105), and the extrusion structure (108) is fitted on the anchoring steel component (106) to be connected to the grouting structure (103).

4. The high-pressure jet bag-type expansion anchor rod for the flexible photovoltaic bracket end of a fish pond according to claim 3, characterized in that: The grouting structure (103) comprises a grouting pipe (109) and a grouting opening (110). The grouting pipe (109) and the grouting opening (110) are arranged on the anchoring steel component (106). The grouting pipe (109) is pressed against the surrounding soil structure by grouting.

5. The high-pressure jetting bag-type expansion anchor rod for the flexible photovoltaic bracket end of a fish pond according to claim 4, characterized in that: The anchoring steel assembly (106) comprises a threaded steel bar (111) and a PVC sleeve (112), wherein the PVC sleeve (112) is sleeved on the threaded steel bar (111), and the grouting pipe (109) is sleeved on the threaded steel bar (111).

6. A high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic support in a fish pond according to claim 5, characterized in that: The anchoring steel assembly (106) is provided with a circular pad (113) and a nut (114); the circular pad (113) is provided in two sets and is sleeved on the threaded steel (111) to clamp and fix the clamping structure (107); the nut (114) is provided at the bottom of the threaded steel (111) to fix it.

7. A high-pressure jet bag-type expansion anchor rod for the end of a flexible photovoltaic support in a fish pond according to claim 6, characterized in that: The anchoring steel component (106) is also provided with a protective cap (115), and the protective cap (115) can fix the anchoring steel component (106) and the extruded structure (108) into a whole.

8. The high-pressure jetting bag-type expansion anchor rod for the flexible photovoltaic support end of a fish pond according to claim 5, characterized in that: A waterproof rubber sleeve (116) and a rubber water stop ring (117) are also provided between the threaded steel (111) and the PVC sleeve (112) to seal the structure at the connection between the two.

9. The high-pressure jet bag-type expansion anchor rod for the flexible photovoltaic bracket end of a fish pond according to claim 6, characterized in that: The grouting opening (110) penetrates the clamping structure (107) and the circular pad (113) located above the extrusion structure (108) so that slurry water can be injected into the extrusion structure (108) through the grouting opening (110), thereby tightening the bag (105).

10. The high-pressure jet bag-type expansion anchor rod for the flexible photovoltaic bracket end of a fish pond according to claim 1, characterized in that: The connection structure (2) comprises a connection piece (201) and a pull rod (202) connected thereto; the connection piece (201) is connected to the anchor rod structure (101); and the pull rod (202) is connected to the flexible support end (3).

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