Pressure type anchor rod

Abstract

The utility model relates to the technical field of anchor rods, and provides a pressure type anchor rod which comprises an outer plate, an inner plate and an anchor rod body, the anchor rod body is arranged in the inner plate, a butt-joint pressing assembly is arranged between the outer plate and the inner plate, a filling supporting assembly is arranged outside the inner plate, a clamping assembly is arranged on the top of the outer plate, and a transmission sleeve is rotationally connected in the inner plate. The anchor rod is connected into the transmission sleeve, the transmission sleeve is sleeved with a blocking sleeve, a plurality of connecting grooves are formed in the top of the blocking sleeve, a plurality of through holes are formed in the surface of the inner plate, and rotating screws are rotationally connected into the connecting grooves. By means of the technical scheme, the problems that in the prior art, a base plate on an existing anchor rod is usually collided and extruded to be prone to deformation, stable sealing of the drilling position is difficult to keep, and the stability of the installed anchor rod is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of anchor rods, and specifically, to a pressure-type anchor rod. Background Art

[0002] In the fields of foundation engineering and soil mechanics, an anchor rod is a common engineering structure used to enhance the bearing capacity of soil or rock. The anchor rod body can convert the tensile force it receives into pressure and transmit it to the grouting body, and the grouting body then transmits the pressure it receives to the surrounding soil through the bonding force with the surrounding soil, improving the uplift resistance of the anchor rod. A backing plate is usually provided at the end of the anchor rod body, and the backing plate finally covers the drilling hole, which can prevent the cement slurry from flowing out through the gap between the anchor rod and the drilling hole. However, the backing plate on the existing anchor rod is usually prone to deformation due to collision and extrusion, making it difficult to maintain a stable seal at the drilling hole and affecting the stability after the installation of the anchor rod.

[0003] Therefore, improvements are made to address the above problems. Summary of the Utility Model

[0004] The utility model provides a pressure-type anchor rod, which solves the problem in the related art that the backing plate on the existing anchor rod is usually prone to deformation due to collision and extrusion, making it difficult to maintain a stable seal at the drilling hole and affecting the stability after the installation of the anchor rod.

[0005] The technical solution of the utility model is as follows: It includes

[0006] an outer plate, an inner plate, and an anchor rod, and the anchor rod is arranged in the inner plate;

[0007] a butt joint and compression component, which is arranged between the outer plate and the inner plate;

[0008] a filling and supporting component, which is arranged outside the inner plate;

[0009] a clamping component, which is arranged at the top of the outer plate;

[0010] The filling and supporting component includes a transmission sleeve, the transmission sleeve is rotatably connected in the inner plate, the anchor rod is connected in the transmission sleeve, a plugging sleeve is sleeved outside the transmission sleeve, several connecting grooves are opened at the top of the plugging sleeve, several through holes are opened on the surface of the inner plate, and a rotating screw is rotatably connected in the connecting groove.

[0011] As a further technical solution, the rotating screw is inserted into the through hole, a limiting nut is screwed on the rotating screw, several grooves are opened at the top of the plugging sleeve, and a supporting spring is arranged in the groove, and the upper end of the supporting spring is connected to the bottom of the inner plate.

[0012] As a further technical solution, an outer ring layer is provided outside the transmission sleeve. A plurality of circular grooves are opened at the bottom of the outer ring layer. A first threaded hole is opened in the circular groove. A fixing bolt is screwed and connected in the first threaded hole. An anti-slip block is arranged at the lower end of the fixing bolt.

[0013] As a further technical solution, the docking and pressing assembly includes a plurality of clamping grooves, all of which are opened on the surface of the inner plate. A plurality of docking plates are arranged on the inner surface of the outer plate. The docking plates are inserted and connected in the clamping grooves. Mounting screws are inserted and connected at the relative four corners of the outer plate surface.

[0014] As a further technical solution, the clamping assembly includes a pair of vertical rods, which are fixed at both ends of the outer plate surface. A second threaded hole is opened in the vertical rod. A support screw is screwed and connected in the second threaded hole. One end of the support screw is sleeved and connected with a rotatable pressing sleeve frame.

[0015] As a further technical solution, the pressing sleeve frame is of a semi-circular structure, and the inner diameter size of the pressing sleeve frame matches the diameter of the anchor rod.

[0016] As a further technical solution, the cross-section of the connection groove is in a T-shaped structure, and the lower end of the rotating screw has the same structure as the connection groove.

[0017] As a further technical solution, the anti-slip block is of a circular structure, and the bottom surface of the anti-slip block is an anti-slip structural surface.

[0018] As a further technical solution, the outer surface of the plugging sleeve is an inclined structural surface, and the plugging sleeve is hermetically attached to the outer surface of the transmission sleeve.

[0019] As a further technical solution, the support springs correspond to the rotating screws in terms of quantity and position.

[0020] The working principle and beneficial effects of the present utility model are as follows:

[0021] 1. The present utility model is provided with a filling and supporting assembly. Under the action of structures such as a transmission sleeve, a plugging sleeve, a rotating screw, a support spring, an outer ring layer, a fixing bolt, and an anti-slip block, the plugging sleeve with a conical structure can be inserted into the drill hole and fill the redundant space in cooperation with the transmission sleeve. After the anchor rod is placed, there will be no gaps around it, and the anchor rod can be protected from collision problems.

[0022] 2. The present utility model is provided with a clamping assembly. Under the interaction of structures such as vertical rods, threaded holes, support screws, and pressing sleeve frames, the two horizontally installed pressing sleeve frames can be pressed against both sides of the anchor rod, which can play an auxiliary fixing role for the anchor rod and improve the stability. Description of the Drawings

[0023] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] Figure 1 It is a structural schematic diagram of the present utility model;

[0025] Figure 2 It is an axonometric view of the present utility model;

[0026] Figure 3 It is an axonometric sectional view of the present utility model;

[0027] Figure 4 It is an attachment of the present utility model Figure 1 Partial enlarged view of part A in the figure;

[0028] Figure 5 It is an attachment of the present utility model Figure 3 Partial enlarged view of part B in the figure;

[0029] In the figure: 1. Outer plate; 2. Inner plate; 3. Anchor bolt; 4. Filling and supporting assembly; 4-1. Transmission sleeve; 4-2. Plugging sleeve; 4-3. Connecting groove; 4-4. Through hole; 4-5. Rotating screw; 4-6. Limit nut; 4-7. Groove; 4-8. Support spring; 4-9. Outer ring layer; 4-10. Circular groove; 4-11. First threaded hole; 4-12. Fixed bolt; 4-13. Anti-slip block; 5. Docking and pressing assembly; 5-1. Card slot; 5-2. Docking plate; 5-3. Installation screw; 6. Clamping assembly; 6-1. Upright rod; 6-2. Second threaded hole; 6-3. Support screw; 6-4. Pressing sleeve frame. Specific embodiments

[0030] The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0031] As Figures 1 to 5 shown, this embodiment proposes a pressure-type anchor bolt, including

[0032] an outer plate 1, an inner plate 2 and an anchor bolt 3, and the anchor bolt 3 is arranged in the inner plate 2;

[0033] a docking and pressing assembly 5, and the docking and pressing assembly 5 is arranged between the outer plate 1 and the inner plate 2;

[0034] a filling and supporting assembly 4, and the filling and supporting assembly 4 is arranged outside the inner plate 2;

[0035] The clamping assembly 6 is provided at the top of the outer plate 1;

[0036] The filling and supporting assembly 4 includes a transmission sleeve 4-1 which is rotatably connected to the inner plate 2. The anchor rod 3 is connected inside the transmission sleeve 4-1. A plugging sleeve 4-2 is sleeved outside the transmission sleeve 4-1. A plurality of connecting grooves 4-3 are formed at the top of the plugging sleeve 4-2. A plurality of through holes 4-4 are formed on the surface of the inner plate 2. A rotating screw 4-5 is rotatably connected in the connecting groove 4-3. The rotating screw 4-5 is inserted into the through hole 4-4. A limiting nut 4-6 is screwed on the rotating screw 4-5. A plurality of grooves 4-7 are formed at the top of the plugging sleeve 4-2. A supporting spring 4-8 is arranged in the groove 4-7. The upper end of the supporting spring 4-8 is connected to the bottom of the inner plate 2. An outer ring layer 4-9 is arranged outside the transmission sleeve 4-1. A plurality of circular grooves 4-10 are formed at the bottom of the outer ring layer 4-9. A first threaded hole 4-11 is formed in the circular groove 4-10. A fixing bolt 4-12 is screwed in the first threaded hole 4-11. An anti-slip block 4-13 is arranged at the lower end of the fixing bolt 4-12.

[0037] In this embodiment, in order to achieve the desired effect of filling the drill hole to enhance the seal, the filling and supporting assembly 4 is designed. A transmission sleeve 4-1 is rotatably connected to the inner plate 2. The transmission sleeve 4-1 is used for installing the anchor rod 3. A plugging sleeve 4-2 is sleeved and connected outside. A plurality of connecting grooves 4-3 are formed at the top of the plugging sleeve 4-2. A plurality of through holes 4-4 are formed on the surface of the inner plate 2 and are corresponding to the positions of the connecting grooves 4-3. A rotating screw 4-5 is connected between the connecting groove 4-3 and the through hole 4-4. The rotating screw 4-5 is used for connecting the inner plate 2 and the plugging sleeve 4-2. A limiting nut 4-6 is screwed on the rotating screw 4-5. A plurality of grooves 4-7 are formed at the top of the plugging sleeve 4-2 and a supporting spring 4-8 is installed. The depth of the plugging sleeve 4-2 inserted into the drill hole can be adjusted by the cooperation of the rotating screw 4-5 and the limiting nut 4-6. The plugging sleeve 4-2 is pushed by the elastic force of the supporting spring 4-8 to keep a tight connection with the drill hole. An outer ring layer 4-9 is arranged on the transmission sleeve 4-1. A plurality of circular grooves 4-10 and a first threaded hole 4-11 are formed at the bottom of the outer ring layer 4-9. A fixing bolt 4-12 is screwed in the first threaded hole 4-11. An anti-slip block 4-13 is arranged at the lower end of the fixing bolt 4-12. The fixing bolt 4-12 can be screwed to control the anti-slip block 4-13 to move downward and press tightly on the surface of the inner plate 2, so as to fix the transmission sleeve 4-1.

[0038] Furthermore, the docking and pressing assembly 5 includes a plurality of clamping grooves 5-1 which are all formed on the surface of the inner plate 2. A plurality of docking plates 5-2 are arranged on the inner surface of the outer plate 1. The docking plates 5-2 are inserted and connected in the clamping grooves 5-1. Mounting screws 5-3 are inserted and connected at the relative four corners of the surface of the outer plate 1.

[0039] In this embodiment, in order to achieve the effect of pressing the inner plate 2 and fixing the surface around the periphery of the drilled hole, a docking and pressing assembly 5 is designed. A plurality of card slots 5-1 are provided on the surface of the inner plate 2. The outer plate 1 is sleeved outside the inner plate 2. A docking plate 5-2 is arranged inside the outer plate 1. The docking plate 5-2 is inserted and connected with the card slots 5-1. The inner plate 2 can be pressed down by the outer plate 1. Mounting screws 5-3 are inserted at the four corners of the outer plate 1, and the mounting screws 5-3 can be screwed and connected to the soil layer for fixation.

[0040] Furthermore, the clamping assembly 6 includes a pair of vertical rods 6-1. The vertical rods 6-1 are fixed at both ends of the surface of the outer plate 1. A second threaded hole 6-2 is formed in the vertical rod 6-1. A support screw 6-3 is screwed and connected in the second threaded hole 6-2. One end of the support screw 6-3 is sleeved and connected with a rotatable pressing sleeve frame 6-4.

[0041] In this embodiment, in order to achieve the effect of auxiliary fixation of the anchor rod, a clamping assembly 6 is designed. Two vertical rods 6-1 are arranged on the surface of the outer plate 1. A second threaded hole 6-2 is formed in the vertical rod 6-1. A support screw 6-3 is connected to the second threaded hole 6-2 by thread fit. One end of the support screw 6-3 is rotatably connected with a pressing sleeve frame 6-4. The support screw 6-3 can be screwed to move in the second threaded hole 6-2 to press the pressing sleeve frame 6-4 against the surface of the anchor rod 3, and the anchor rod 3 can be fixed.

[0042] Furthermore, the pressing sleeve frame 6-4 is of a semi-circular structure, and the inner diameter dimension of the pressing sleeve frame 6-4 matches the diameter of the anchor rod 3.

[0043] In this embodiment, through the semi-circular structure, the two pressing sleeve frames 6-4 can be closely attached to the surface of the anchor rod 3, increasing the firmness effect.

[0044] Furthermore, the cross-section of the connecting groove 4-3 is of a T-shaped structure, and the lower end of the rotating screw 4-5 has the same structure as the connecting groove 4-3.

[0045] In this embodiment, through the T-shaped structure, the connecting groove 4-3 will not fall off when connected with the rotating screw 4-5 and can withstand a certain amount of tensile force.

[0046] Furthermore, the anti-slip block 4-13 is of a circular structure, and the bottom surface of the anti-slip block 4-13 is a non-slip structural surface with a large frictional force.

[0047] In this embodiment, through the circular structure, the anti-slip block 4-13 can rotate in the circular groove 4-10 and cooperate with the non-slip structural surface to firmly fix the transmission sleeve 4-1 on the inner plate 2.

[0048] Furthermore, the outer surface of the plugging sleeve 4-2 is an inclined structural surface, and the outer surface of the plugging sleeve 4-2 is in sealing fit with the outer surface of the transmission sleeve 4-1.

[0049] In this embodiment, through the inclined structural surface, the plug sleeve 4-2 achieves a filling effect when inserted.

[0050] Furthermore, the number and positions of the support springs 4-8 correspond to those of the rotating screws 4-5.

[0051] In this embodiment, due to the corresponding relationship between the number and positions, the downward thrust of the support springs 4-8 is uniform without any skew.

[0052] When installation is required, insert the plug sleeve 4-2 and the transmission sleeve 4-1 into the drilling hole, put the outer plate 1 outside the inner plate 2 and insert the docking plate 5-2 into the card slot 5-1. Insert the installation screws 5-3 at the four corners and tighten them. After fixation, loosen the limit nut 4-6, release the rotating screw 4-5, and through the elastic force of the support spring 4-8, push the plug sleeve 4-2 to closely fit with the drilling hole. Then tighten the limit nut 4-6, and then place the anchor rod 3 into the transmission sleeve 4-1 and the drilling hole. After reaching the required depth, turn the support screw 6-3 to press the pressing sleeve frame 6-4 against the surface of the anchor rod 3.

[0053] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A pressure-type anchor rod, characterized in that, including an outer plate (1), an inner plate (2) and an anchor rod (3), wherein the anchor rod (3) is arranged in the inner plate (2); a butt joint pressing component (5) which is arranged between the outer plate (1) and the inner plate (2); a filling and supporting component (4) which is arranged outside the inner plate (2); a clamping component (6) which is arranged at the top of the outer plate (1); the filling and supporting component (4) includes a transmission sleeve (4-1) which is rotatably connected in the inner plate (2), the anchor rod (3) is connected inside the transmission sleeve (4-1), a plugging sleeve (4-2) is sleeved outside the transmission sleeve (4-1), a plurality of connecting grooves (4-3) are formed at the top of the plugging sleeve (4-2), a plurality of through holes (4-4) are formed on the surface of the inner plate (2), and a rotating screw rod (4-5) is rotatably connected in the connecting groove (4-3).

2. The pressure-type anchor bolt according to claim 1, wherein, The rotating screw rod (4-5) is inserted into the through hole (4-4), a limiting nut (4-6) is screwed on the rotating screw rod (4-5), a plurality of grooves (4-7) are formed at the top of the plugging sleeve (4-2), a supporting spring (4-8) is arranged in the groove (4-7), and the upper end of the supporting spring (4-8) is connected with the bottom of the inner plate (2).

3. The pressure-type anchor bolt according to claim 2, characterized in that, An outer ring layer (4-9) is arranged outside the transmission sleeve (4-1), a plurality of circular grooves (4-10) are formed at the bottom of the outer ring layer (4-9), a first threaded hole (4-11) is formed in the circular groove (4-10), a fixing bolt (4-12) is screwed in the first threaded hole (4-11), and an anti-sliding block (4-13) is arranged at the lower end of the fixing bolt (4-12).

4. A pressure-type anchor rod according to claim 1, characterized in that, The butt joint pressing component (5) includes a plurality of clamping grooves (5-1) which are all formed on the surface of the inner plate (2), a plurality of butt joint plates (5-2) are arranged on the inner surface of the outer plate (1), the butt joint plates (5-2) are inserted and connected in the clamping grooves (5-1), and mounting screw rods (5-3) are inserted and connected at the opposite four corners of the surface of the outer plate (1).

5. A pressure-type anchor rod according to claim 1, characterized in that, The clamping component (6) includes a pair of vertical rods (6-1) which are fixed at both ends of the surface of the outer plate (1), a second threaded hole (6-2) is formed in the vertical rod (6-1), a supporting screw rod (6-3) is screwed in the second threaded hole (6-2), and a rotatable pressing sleeve frame (6-4) is sleeved and connected at one end of the supporting screw rod (6-3).

6. A pressure-type anchor rod according to claim 5, characterized in that, The pressing sleeve frame (6-4) is of a semi-circular structure, and the inner diameter dimension of the pressing sleeve frame (6-4) matches the diameter of the anchor rod (3).

7. A pressure-type anchor rod according to claim 1, characterized in that, The cross section of the connecting groove (4-3) is of a T-shaped structure, and the lower end of the rotating screw rod (4-5) has the same structure as the connecting groove (4-3).

8. The pressure-type anchor rod according to claim 3, characterized in that, The anti-sliding block (4-13) is of a circular structure, and the bottom surface of the anti-sliding block (4-13) is an anti-sliding structural surface.

9. A pressure-type anchor rod according to claim 1, characterized in that, The outer surface of the plug sleeve (4-2) is an inclined structural surface, and the outer surface of the plug sleeve (4-2) is in sealed fit with the outer surface of the transmission sleeve (4-1).

10. A pressure-type anchor bolt according to claim 2, characterized in that, The number and position of the support springs (4-8) correspond to those of the rotating screw (4-5).

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