Pile foundation hole forming device

Abstract

The utility model relates to the technical field of pile foundation engineering, in particular to a pile foundation hole forming device which comprises a fixing pipe sleeve, a fixing rod, a plurality of polishing mechanisms and a dismounting assembly, the fixing rod is detachably connected with the fixing pipe sleeve, the polishing mechanisms are detachably connected with the fixing rod, and the dismounting assembly comprises a placing block, two sets of replacement parts, a cutter bar, a screwer and a locking part. The placing block is fixedly connected with the fixing rod and located in the fixing rod, the two sets of replacement parts are symmetrically arranged, the replacement parts are detachably connected with the fixing rod and located on the outer side of the placing block, the cutter rod is fixedly connected with the screwer and located in the fixing pipe sleeve, the screwer is detachably connected with the fixing rod and located on the outer side of the fixing rod, and the locking part is in threaded connection with the fixing pipe sleeve. By adopting the splicing and assembling mode, when parts of the punching device are damaged, the damaged parts can be conveniently and independently replaced, and the use cost of the device is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pile foundation engineering, in particular to a pile foundation hole forming device. Background Art

[0002] The current pile foundation drilling device simply uses a drilling column with spiral blades on it to drill holes in the ground. The strength of the drilling column is low, the flatness of the inner surface wall of the hole is poor, and the soil on the inner surface wall is easy to fall off, affecting the quality of the poured pile foundation, so it cannot meet the needs of users.

[0003] To solve the above problems, the prior art patent (CN209603117U) discloses a pile foundation hole forming device, including a drilling column and a spiral blade, the drilling column is provided with a spiral blade, and a grinding sheet is welded on the drilling column through a column, a plurality of the grinding sheets are provided, and the plurality of grinding sheets are staggered along the vertical direction on the drilling column, and a sleeve is fixed on the top of the drilling column; the pile foundation hole forming device of the utility model is provided with a grinding sheet welded on the drilling column through a column, a plurality of the grinding sheets are provided, and the plurality of grinding sheets are staggered along the vertical direction on the drilling column, during use, the drilling rig drives the drilling column to rotate, and when the ground is drilled by the spiral blade, the grinding sheet will rotate with the rotation of the drilling column, so that the inner surface wall of the hole can be polished smooth, thereby ensuring the flatness of the hole surface, preventing the soil on the hole surface from falling, improving the quality of hole forming, and further improving the quality of pile foundation casting.

[0004] However, in the above-mentioned prior art, the punching device is easily worn and damaged during use, and if it is partially damaged, it needs to be completely replaced, which greatly increases the cost of using the device. Utility Model Content

[0005] The utility model aims to provide a pile foundation hole-forming device, which solves the technical problem that the punching device in the prior art is easily subject to wear and damage during use, and when part of it is damaged, it needs to be completely replaced, which greatly increases the cost of using the device.

[0006] To achieve the above-mentioned purpose, the utility model adopts a pile foundation hole-forming device, including a fixed sleeve, a fixed rod, a plurality of grinding mechanisms and a disassembly assembly, wherein the fixed rod is detachably connected to the fixed sleeve and is located below the fixed sleeve, the plurality of grinding mechanisms are detachably connected to the fixed rod and are located on the outside of the fixed rod, the disassembly assembly includes a placement block, two groups of replacement parts, a knife rod, a thread cutter and a locking member, the placement block is fixedly connected to the fixed rod and is located inside the fixed rod, the two groups of replacement parts are symmetrically arranged, the replacement parts are detachably connected to the fixed rod and are located on the outside of the placement block, the knife rod is fixedly connected to the thread cutter and is located inside the fixed sleeve, the thread cutter is detachably connected to the fixed rod and is located on the outside of the fixed rod, and the locking member is threadedly connected to the fixed sleeve and passes through the knife rod.

[0007] Among them, each group of replacement parts includes an insertion rod, a positioning column and a handle, the insertion rod is detachably connected to the fixing rod and is located on the outside of the placement block, the positioning column is fixedly connected to the insertion rod and is located on the outside of the insertion rod, and the positioning column passes through the grinding mechanism, and the handle is fixedly connected to the insertion rod and is located above the insertion rod.

[0008] Among them, the locking member includes a threaded rod, a locking rod and an adjusting block, the threaded rod is threadedly connected to the fixed sleeve and is located on the outside of the locking rod, the locking rod is detachably connected to the fixed sleeve and passes through the knife rod, and the locking rod also passes through the fixed rod, and the adjusting block is fixedly connected to the locking rod and is located on the outside of the fixed sleeve.

[0009] Wherein, the locking member further comprises a limiting layer, the limiting layer is fixedly connected to the fixed sleeve and is located below the knife rod.

[0010] The fixing rod has a cavity, the fixing rod also has a thread groove adapted to the thread cutter, and the grinding mechanism has a slot adapted to the positioning column.

[0011] Wherein, the pile foundation hole forming device further comprises a guide block, the fixed pipe sleeve has a guide groove adapted to the guide block, the guide block is fixedly connected to the cutter rod and is located outside the cutter rod.

[0012] The utility model provides a pile foundation hole-forming device. During specific use, a plurality of grinding mechanisms are inserted into the fixed rod, the placement block limits the grinding mechanism, the replacement part is inserted into the fixed rod, the grinding mechanism is fixed, the thread cutter is rotatably installed on the outside of the fixed rod through the cutter rod, the cutter rod is installed in the fixed pipe sleeve, and the locking part fixes the cutter rod and the fixed pipe sleeve. This method can effectively solve the problem that the punching device needs to be completely replaced after being partially damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0015] Figure 2 It is a top view of the first embodiment of the utility model.

[0016] Figure 3 The utility model Figure 2 AA line structural cross-section view.

[0017] Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0018] 101-fixed sleeve, 102-fixed rod, 103-grinding mechanism, 104-placing block, 105-knife rod, 106-thread knife, 107-insertion rod, 108-positioning column, 109-handle, 110-threaded rod, 111-locking rod, 112-adjusting block, 113-limiting layer, 114-cavity, 115-thread groove, 116-slot, 201-guide block, 202-guide groove. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] The first embodiment of the present application is:

[0021] See also Figure 1 to Figure 3 ,in Figure 1 It is a structural schematic diagram of the first embodiment of the utility model. Figure 2 is a top view of the first embodiment of the utility model, Figure 3 The utility model Figure 2 AA line structural cross-section view.

[0022] The utility model provides a pile foundation hole-forming device, including a fixed pipe sleeve 101, a fixed rod 102, a plurality of grinding mechanisms 103 and a disassembly component, the disassembly component includes a placement block 104, two groups of replacement parts, a knife rod 105, a threaded knife 106 and a locking member, each group of the replacement parts includes an insertion rod 107, a positioning column 108 and a handle 109, the locking member includes a threaded rod 110, a locking rod 111, an adjustment block 112 and a limiting layer 113. The above-mentioned scheme solves the problem that the punching device is easily subject to wear and damage during use, and when a part is damaged, it needs to be completely replaced, which greatly increases the cost of using the device.

[0023] According to this specific embodiment, the fixed rod 102 is detachably connected to the fixed sleeve 101 and is located below the fixed sleeve 101. The plurality of grinding mechanisms 103 are detachably connected to the fixed rod 102 and are located on the outside of the fixed rod 102. The disassembly assembly includes a placement block 104, two groups of replacement parts, a knife rod 105, a thread cutter 106 and a locking member. The placement block 104 is fixedly connected to the fixed rod 102 and is located inside the fixed rod 102. The two groups of replacement parts are symmetrically arranged. The replacement parts are detachably connected to the fixed rod 102 and are located on the outside of the placement block 104. The knife rod 105 is fixedly connected to the thread cutter 106 and is located inside the fixed sleeve 101. The thread cutter 106 is detachably connected to the fixed rod 102 and is located on the outside of the fixed rod 102. The locking piece is threadedly connected to the fixed sleeve 101 and passes through the knife rod 105. The grinding mechanism 103 has been described in the prior art CN209603117U and is used to grind the inner surface wall of the hole to make it smooth, so it will not be described in detail; multiple grinding mechanisms 103 are inserted into the fixed rod 102, the placement block 104 limits the grinding mechanism 103, the replacement part is inserted into the fixed rod 102, the grinding mechanism 103 is fixed, and the thread cutter 106 is rotatably installed on the outside of the fixed rod 102 through the knife rod 105. The knife rod 105 is installed in the fixed sleeve 101, and the locking piece fixes the knife rod 105 to the fixed sleeve 101. The assembly method can effectively solve the problem that the punching device needs to be completely replaced after partial damage.

[0024] Among them, the insertion rod 107 is detachably connected to the fixing rod 102 and is located on the outside of the placement block 104, the positioning column 108 is fixedly connected to the insertion rod 107 and is located on the outside of the insertion rod 107, and the positioning column 108 passes through the grinding mechanism 103, the handle 109 is fixedly connected to the insertion rod 107 and is located above the insertion rod 107, the insertion rod 107 is inserted into the fixing rod 102, and the positioning column 108 is inserted into the grinding mechanism 103, so as to fix the grinding mechanism 103. When the grinding mechanism 103 is damaged, the insertion rod 107 is taken out by the handle 109, and the insertion rod 107 is reinserted after replacement, so that the grinding mechanism 103 can be effectively replaced separately.

[0025] Secondly, the threaded rod 110 is threadedly connected to the fixed sleeve 101 and is located on the outside of the locking rod 111. The locking rod 111 is detachably connected to the fixed sleeve 101 and penetrates the knife rod 105, and the locking rod 111 also penetrates the fixed rod 102. The adjusting block 112 is fixedly connected to the locking rod 111 and is located on the outside of the fixed sleeve 101. The locking rod 111 is inserted into the fixed sleeve 101 through the adjusting block 112, and the locking rod 111 penetrates the knife rod 105 and the fixed rod 102. The threaded rod 110 is threadedly connected to the fixed sleeve 101 by rotation, so that the knife rod 105 and the fixed rod 102 are fixed to the fixed sleeve 101.

[0026] At the same time, the limiting layer 113 is fixedly connected to the fixed sleeve 101 and is located below the knife rod 105. The limiting layer 113 limits the installation position of the knife rod 105 in the fixed sleeve 101, which facilitates the fixing of the knife rod 105 by the locking member.

[0027] In addition, the fixing rod 102 has a cavity 114, and the fixing rod 102 also has a thread groove 115 adapted to the thread cutter 106. The grinding mechanism 103 has a slot 116 adapted to the positioning column 108. The replacement part moves in the cavity 114. Through the setting of the thread groove 115, the thread cutter 106 can be installed on the outside of the fixing rod 102 by rotation, which is convenient for replacing the thread cutter 106. The positioning column 108 fixes the grinding mechanism 103 through the slot 116, thereby realizing rapid fixation and disassembly of the grinding mechanism 103.

[0028] A pile foundation hole forming device according to the present embodiment is used, by setting a fixed rod 102, a plurality of grinding mechanisms 103 and a disassembly assembly. When it is used, the plurality of grinding mechanisms 103 are inserted into the fixed rod 102, the placement block 104 limits the grinding mechanism 103, the insertion rod 107 is inserted into the fixed rod 102, the positioning column 108 fixes the grinding mechanism 103 through the slot 116, the handle 109 facilitates the rapid removal of the insertion rod 107 to replace the grinding mechanism 103, the thread cutter 106 is rotatably installed on the outer side of the fixed rod 102 through the cutter rod 105, and then The knife rod 105 is installed in the fixed sleeve 101, and the limiting layer 113 carries the knife rod 105. The locking rod 111 is inserted into the fixed sleeve 101 through the adjusting block 112. The locking rod 111 passes through the knife rod 105 and the fixed rod 102. The threaded rod 110 is threadedly connected to the fixed sleeve 101 by rotation, so that the knife rod 105 and the fixed rod 102 are fixed to the fixed sleeve 101. The splicing assembly method is adopted, which is convenient for replacing the damaged parts of the punching device separately when the parts are damaged, thereby reducing the cost of using the device.

[0029] The second embodiment of the present application is:

[0030] Based on the first embodiment, please refer to Figure 4 , Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0031] The utility model provides a pile foundation hole forming device which also includes a guide block 201 .

[0032] According to this specific embodiment, the fixed sleeve 101 has a guide groove 202 adapted to the guide block 201. The guide block 201 is fixedly connected to the knife rod 105 and is located on the outside of the knife rod 105. The guide groove 202 facilitates the installation of the guide block 201 in the fixed sleeve 101. The guide block 201 facilitates the quick installation of the knife rod 105 in the fixed sleeve 101.

[0033] A pile foundation hole-forming device according to the present embodiment is used. By setting a guide block 201, when it is used specifically, the guide block 201 is conveniently installed in the fixed pipe sleeve 101 through the guide groove 202. The guide block 201 facilitates the rapid installation of the tool rod 105 in the fixed pipe sleeve 101, thereby facilitating the direct installation of the tool rod 105 to the set position, thereby facilitating the improvement of the efficiency of the assembly operation.

[0034] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A pile foundation hole-forming device, comprising a fixed sleeve, characterized in that: It also includes a fixed rod, multiple grinding mechanisms and a disassembly assembly, the fixed rod is detachably connected to the fixed sleeve and is located below the fixed sleeve, multiple grinding mechanisms are detachably connected to the fixed rod and are located on the outside of the fixed rod, the disassembly assembly includes a placement block, two groups of replacement parts, a knife rod, a thread cutter and a locking piece, the placement block is fixedly connected to the fixed rod and is located inside the fixed rod, the two groups of replacement parts are symmetrically arranged, the replacement parts are detachably connected to the fixed rod and are located on the outside of the placement block, the knife rod is fixedly connected to the thread cutter and is located in the fixed sleeve, the thread cutter is detachably connected to the fixed rod and is located on the outside of the fixed rod, and the locking piece is threadedly connected to the fixed sleeve and passes through the knife rod.

2. The pile foundation drilling device according to claim 1, characterized in that: Each set of replacement parts includes an insertion rod, a positioning column and a handle. The insertion rod is detachably connected to the fixing rod and is located on the outside of the placement block. The positioning column is fixedly connected to the insertion rod and is located on the outside of the insertion rod. The positioning column passes through the grinding mechanism. The handle is fixedly connected to the insertion rod and is located above the insertion rod.

3. The pile foundation drilling device according to claim 2, characterized in that: The locking member includes a threaded rod, a locking rod and an adjusting block. The threaded rod is threadedly connected to the fixed sleeve and is located on the outside of the locking rod. The locking rod is detachably connected to the fixed sleeve and passes through the knife rod, and the locking rod also passes through the fixed rod. The adjusting block is fixedly connected to the locking rod and is located on the outside of the fixed sleeve.

4. The pile foundation hole-forming device according to claim 3, characterized in that: The locking member further comprises a limiting layer, which is fixedly connected to the fixed sleeve and is located below the knife rod.

5. The pile foundation hole-forming device according to claim 4, characterized in that: The fixing rod has a cavity, and the fixing rod also has a thread groove matched with the thread cutter, and the grinding mechanism has a slot matched with the positioning column.

6. The pile foundation hole-forming device according to claim 5, characterized in that: The pile foundation hole forming device also includes a guide block, the fixed pipe sleeve has a guide groove adapted to the guide block, and the guide block is fixedly connected to the cutter rod and is located outside the cutter rod.

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