Tower crane foundation embedded positioning frame

Abstract

The utility model relates to a tower crane foundation pre-embedded positioning frame which comprises four annularly-arranged bottom plates, and each bottom plate is provided with a sliding groove and a mounting hole communicated with the sliding groove. The fixed anti-sinking assembly is installed in the sliding groove, the fixed anti-sinking assembly is used for increasing the contact area between the positioning frame and the bottom face, and the fixed anti-sinking assembly comprises four annularly-installed fixing structures; the fixing structure comprises a transverse plate arranged in the sliding groove in a penetrating mode, four forks arranged and inserted in the sliding groove and a gear located in the sliding groove, and the forks are fixedly arranged on one side of the transverse plate. The positioning frame can be fixed, meanwhile, the contact area between the positioning frame and the ground can be increased, anti-sinking protection can be conducted on the positioning frame, meanwhile, the positioning frame can be more convenient to disassemble and assemble, and the positioning frame is convenient to transport and use.

Description

TECHNICAL FIELD

[0001] The utility model relates to tower crane accessory technical field especially a tower crane foundation pre -buried positioning frame. BACKGROUND

[0002] Tower crane is the abbreviation of tower crane, also known to be tower crane, is the rotating crane of the movable arm on the high tower, tower crane has the advantages of large operation space, large load and good stability, the application field of tower crane is wide, can be used in house building construction, equipment installation and material transportation, can be used to lift heavy equipment, is favorable to save manpower, improves the efficiency of construction at the same time, before the installation of tower crane, in order to better support the bottom of tower crane, it needs to use tower crane foundation pre -buried positioning frame;

[0003] Through the retrieval, the patent with the announcement number CN220725168U discloses a tower crane portable foundation pre -buried positioning frame, including four L type frame plates, and the two ends of four L type frame plates are mutually pasted, still including: four inner support plates are fixedly connected in the inner wall of four L type frame plates respectively;Inner fixing mechanism is fixedly connected at the outer wall of two ends of four inner support plates respectively, can set fixed limiting structure in the inside of frame plate, thereby protecting fixed limiting structure, and the inner fixing mechanism includes connecting rod.This application can utilize the pasting between four L type frame plates, and the inner support plate is arranged in the inside of four L type frame plates, the strength of L type frame plate is increased, the connecting rod is arranged on the surface of inner support plate, four inner support plates can be connected by fixed bolt and fixed plate, four L type frame plates are positioned simultaneously, thereby realizing the inner fixation of positioning frame.

[0004] In the patent, only the positioning frame can be fixed, the contact area cannot be increased while the positioning frame is more comprehensively fixed around, the positioning frame is buried in the soil, and the sinking problem is prone to occur after long-term use, which is not conducive to the safety of the tower crane, the positioning frame cannot be quickly unfolded and used, which is not conducive to improving the installation efficiency, and the positioning frame is not convenient to store and transport. UTILITY MODEL CONTENTS

[0005] In view of the technical problems in the prior art that only the positioning frame can be fixed, the contact area cannot be increased while the positioning frame is more comprehensively fixed around, the positioning frame is buried in the soil, and the sinking problem is prone to occur after long-term use, which is not conducive to the safety of the tower crane, the positioning frame cannot be quickly unfolded and used, which is not conducive to improving the installation efficiency, and the positioning frame is not convenient to store and transport, the utility model provides a tower crane foundation pre -buried positioning frame.

[0006] The technical scheme adopted by the utility model is as follows: a tower crane foundation pre -buried positioning frame, comprising:

[0007] Four bottom plates are arranged in a ring shape, and each of the bottom plates is provided with a sliding groove and a mounting hole communicated with the sliding groove;

[0008] A fixed anti-sinking assembly is arranged in the sliding groove, and the fixed anti-sinking assembly is used for increasing the contact area between the positioning frame and the bottom surface, and the fixed anti-sinking assembly comprises four fixed structures arranged in a ring shape, the fixed structure comprises a horizontal plate arranged in the sliding groove, four forks arranged in an array and inserted into the sliding groove, and a gear arranged in the sliding groove, each of the forks is arranged in an array on one side of the horizontal plate, a tooth groove engaged with the gear is arranged on the middle fork, and a drill bit is arranged on the top surface of the gear and inserted into the mounting hole.

[0009] Further, a limiting assembly is arranged on the bottom plate, and the limiting assembly is used for limiting the bottom plate.

[0010] Further, a through hole one is arranged at each end of the bottom plate, the limiting assembly comprises two symmetrically arranged connecting buckles one and two symmetrically arranged connecting buckles two, the connecting buckles one and the connecting buckles two are inserted into the through hole one, the connecting buckles one and the connecting buckles two are arranged in an intersecting manner, and a baffle is arranged on the side wall of each of the connecting buckles two and located outside between the adjacent two bottom plates.

[0011] Further, a through hole two is arranged on the baffle.

[0012] Further, a bolt is inserted into the through hole two.

[0013] Further, a through hole three is arranged on the opposite side wall of the corresponding two bottom plates, and a sliding strip is arranged on the opposite side wall of the remaining corresponding two bottom plates and fixedly connected with the through hole three.

[0014] Further, a folding plate is arranged above the sliding strip between each of the bottom plates.

[0015] The utility model discloses the beneficial effects are:

[0016] The utility model discloses the setting of fixed anti-sinking assembly can realize the effect that the positioning frame is fixed and the contact area between the positioning frame and the ground is increased, can increase the compression area of the positioning frame, and the positioning frame is better protected from sinking.

[0017] The utility model discloses the setting of the bottom plate and the limiting assembly can realize the effect that the positioning frame is quickly unfolded and installed, can simplify the installation step, improve installation efficiency, and can conveniently fold the positioning frame, and the positioning frame is conveniently transported. Attached Figure Description

[0018] Figure 1 This is a top view of the structure of this utility model;

[0019] Figure 2 This is a bottom view structural diagram of this utility model;

[0020] Figure 3 This is a schematic diagram of the disassembled structure of the base plate and the fixed anti-sinking component of this utility model;

[0021] Figure 4 This is a right-side view of the base plate and limiting component of this utility model.

[0022] The markings in the diagram are as follows: 1. Base plate; 2. Slide groove; 3. Mounting hole; 4. Fixed anti-sinking component; 401. Horizontal plate; 402. Fork; 403. Gear; 404. Drill bit; 5. Tooth groove; 6. Limiting component; 601. Connecting buckle one; 602. Connecting buckle two; 603. Baffle; 7. Through hole one; 8. Through hole two; 9. Bolt; 10. Through hole three; 11. Slide bar; 12. Folding plate. Detailed Implementation

[0023] In the description of this utility model, it should be noted that the terms "front", "up", "down", "left", "right", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] The following is in conjunction with the appendix Figures 1-4 The present invention will be further described below.

[0026] To address the problems existing in the background technology, this application proposes the following technical solution: a pre-embedded positioning frame for tower crane foundations.

[0027] The specific technical solution includes four base plates 1 installed in a ring and a fixed anti-sinking component 4;

[0028] like Figures 1-4As shown, each bottom plate 1 is provided with a sliding groove 2 and a mounting hole 3 communicating with the sliding groove 2, the sliding groove 2 can conveniently limit the horizontal plate 401 and the fork 402, and the mounting hole 3 can conveniently connect the drill bit 404 with the drilling machine; the fixed anti-sinking assembly 4 is arranged in the sliding groove 2, the fixed anti-sinking assembly 4 is used to increase the contact area between the positioning frame and the bottom surface, the fixed anti-sinking assembly 4 includes four annularly arranged fixing structures, the fixing structure includes the horizontal plate 401 arranged in the sliding groove 2, the four forks 402 arranged and inserted in the sliding groove 2, and the gear 403 arranged in the sliding groove 2, the horizontal plate 401 can fix the fork 402, the fork 402 can be conveniently inserted into the ground, the gear 403 can be conveniently connected with the tooth groove 5, each fork 402 is fixedly arranged on one side of the horizontal plate 401, a tooth groove 5 is arranged on the middle fork 402 and engaged with the gear 403, the tooth groove 5 can drive the fork 402 to be connected with the gear 403, and the drill bit 404 is fixedly arranged on the top surface of the gear 403 and inserted in the mounting hole 3, the drill bit 404 can be connected with the output end of the drilling machine.

[0029] When the positioning frame is unfolded and placed in the pre-embedded foundation pit, the outer side walls of the four bottom plates 1 are in contact with the four side walls of the pre-embedded foundation pit, the drill bit 404 is inserted into the output end of the drilling machine, the drilling machine is started to drive the drill bit 404 to rotate, the drill bit 404 drives the gear 403 to rotate, the drill bit 404 is limited by the mounting hole 3 and can only rotate in the mounting hole 3 but cannot move, the drill bit 404 limits the gear 403, which can only rotate around the central axis of the drill bit 404 in the sliding groove 2 but cannot move, the gear 403 drives the tooth groove 5 to move, the tooth groove 5 drives the fork 402 connected therewith to move in the horizontal plane, the moving fork 402 drives the horizontal plate 401 to move, the horizontal plate 401 drives each fork 402 connected therewith to move synchronously, the tips of the forks 402 are inserted into the side walls of the pre-embedded foundation pit, and the forks 402 can be fixed in the side walls of the pre-embedded foundation pit, the four forks 402 are used in the same way, and the four forks 402 are inserted into the four side walls of the pre-embedded foundation pit and fixed, the four forks 402 drive the horizontal plate 401 to be fixed, the four forks 402 can drive the four bottom plates 1 to be fixed through the sliding grooves 2 connected therewith, the bottom plates 1 can be fixed in the pre-embedded foundation pit, the positioning frame can be fixed in the pre-embedded foundation pit, and the unfolding of the four forks 402 can increase the area surrounded by the four bottom plates 1 and protect the positioning frame from sinking.

[0030] As shown in the drawings, Figures 1-2 and Figure 4As shown, the bottom plate 1 is provided with a limiting assembly 6, the limiting assembly 6 is used for limiting the bottom plate 1, both ends of each bottom plate 1 are provided with a through hole one 7, the through hole one 7 can conveniently install a connecting buckle one 601 and a connecting buckle two 602, the limiting assembly 6 includes two symmetrically installed connecting buckle one 601 and two symmetrically installed connecting buckle two 602, the connecting buckle one 601 and the connecting buckle two 602 can drive the adjacent two bottom plates 1 to be connected through the through hole one 7, the connecting buckle one 601 and the connecting buckle two 602 are arranged in the through hole one 7, the connecting buckle one 601 and the connecting buckle two 602 are arranged in each other, the side wall of each connecting buckle two 602 is fixedly provided with a baffle 603 located outside between the adjacent two bottom plates 1, and the baffle 603 can limit the bottom plate 1.

[0031] According to Figure 4 the orientation, by pulling two connecting buckle one 601 from both sides of the connecting buckle one 601, the two connecting buckle one 601 are away from each other, the connecting buckle one 601 can pull the bottom plate 1 connected thereto through the through hole one 7, the connection position of the two bottom plates 1 on the upper right is away from the connection position between the two bottom plates 1 on the lower left, the end of the bottom plate 1 close to the baffle 603 is limited by the connecting buckle two 602, and the four bottom plates 1 are pulled apart to form a square, the outer side wall of the end of the bottom plate 1 connected with the connecting buckle two 602 through the through hole one 7 is limited by the baffle 603, preventing the formation of an angle greater than ninety degrees between the bottom plates 1 connected with the connecting buckle two 602 through the through hole one 7, after pulling apart each bottom plate 1, the positioning frame is unfolded and can be placed in the pre-excavated embedded foundation pit.

[0032] As Figure 4 shown, the baffle 603 is provided with a through hole two 8, the through hole two 8 can limit the bolt 9, and the through hole two 8 can drive the bolt 9 to be connected with the baffle 603.

[0033] As Figures 1-2 shown, the through hole two 8 is provided with a bolt 9, the bolt 9 is inserted into the through hole two 8, the bolt 9 is connected between the baffle 603, and then the bolt 9 is inserted into the bottom surface of the embedded foundation pit, the bolt 9 is fixed between the embedded foundation pit, can drive the baffle 603 to be fixed between the embedded foundation pit, can improve the firmness between the positioning frame and the embedded foundation pit.

[0034] As Figure 2 and Figure 4 shown, the opposite side walls of the corresponding two bottom plates 1 are each provided with a through hole three 10, the through hole three 10 can conveniently accommodate the slide strip 11, the remaining opposite side walls of the corresponding two bottom plates 1 are each fixedly provided with a slide strip 11, the slide strip 11 can support the folding plate 12, and the slide strip 11 is movably connected with the through hole three 10.

[0035] When the positioning frame needs to be folded, by pushing the connecting buckle one 601, the two connecting buckles one 601 are close to each other, the connecting buckle one 601 can drive the bottom plate 1 to fold through the through hole one 7, the bottom plate 1 folds to drive the slide bar 11 and the through hole three 10 to be close to each other, the slide bar 11 can be inserted into the through hole three 10 opposite to it, and the slide bar 11 and the through hole three 10 are fixed, and can drive the bottom plate 1 to be fixed.

[0036] As shown in Figures 1-2 Each bottom plate 1 is provided with a folding plate 12 above the slide bar 11, the folding plate 12 can fill the blank area surrounded by each bottom plate 1, and can better support the bottom of the tower crane.

[0037] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0038] Although the embodiments of the utility model have been shown and described, the scope of the utility model is defined by the appended claims and their equivalents for those skilled in the art.

Claims

1. A pre-embedded positioning frame for tower crane foundations, characterized in that, include: The four base plates (1) are arranged in a ring. Each base plate (1) is provided with a groove (2) and a mounting hole (3) communicating with the groove (2). The anti-sinking component (4) is installed in the slide groove (2). The anti-sinking component (4) is used to increase the contact area between the positioning frame and the bottom surface. The anti-sinking component (4) includes four ring-shaped fixing structures. The fixing structure includes a horizontal plate (401) passing through the slide groove (2), four forks (402) arranged and inserted in the slide groove (2), and a gear (403) located in the slide groove (2). Each fork (402) is fixedly arranged on one side of the horizontal plate (401). A tooth groove (5) that meshes with the gear (403) is opened on the middle fork (402). A drill bit (404) passing through the mounting hole (3) is fixedly installed at the center of the top surface of the gear (403).

2. The tower crane foundation pre-embedded positioning frame according to claim 1, characterized in that, The base plate (1) is equipped with a limiting component (6), which is used to limit the base plate (1).

3. The tower crane foundation pre-embedded positioning frame according to claim 2, characterized in that, Each of the base plates (1) has a through hole (7) at both ends. The limiting component (6) includes two symmetrically installed connecting buckles (601) and two symmetrically installed connecting buckles (602). The connecting buckles (601) and the connecting buckles (602) are both inserted into the through hole (7). The connecting buckles (601) and the connecting buckles (602) are installed in a crisscross manner. Each connecting buckle (602) has a baffle (603) fixedly installed on the side wall of each of the two adjacent base plates (1) on the outer side.

4. The tower crane foundation pre-embedded positioning frame according to claim 3, characterized in that, The baffle (603) has a through hole two (8).

5. A tower crane foundation pre-embedded positioning frame according to claim 4, characterized in that, A bolt (9) is inserted into the second through hole (8).

6. A tower crane foundation pre-embedded positioning frame according to claim 5, characterized in that, Two corresponding base plates (1) have through holes three (10) on their opposite side walls, and two other corresponding base plates (1) have slides (11) fixedly installed on their opposite side walls. The slides (11) are movably connected to the through holes three (10).

7. A tower crane foundation pre-embedded positioning frame according to claim 6, characterized in that, A folding plate (12) is installed between each of the base plates (1) above the slide bar (11).

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