Quick connecting device for hollow grouting anchor rod

Abstract

The utility model discloses a quick connecting device for a hollow grouting anchor rod, and relates to the technical field of anchor rod grouting. The outer wall face of a grouting pipe is in threaded connection with a grouting sleeve, the grouting sleeve is provided with a clamping part used for connecting an anchor rod and the grouting pipe, and the outer side of the clamping part is provided with a limiting and intercepting part used for limiting and fixing the joint of the anchor rod and the grouting pipe. The anchor rod and the grouting pipe can be rapidly assembled through the arranged clamping part, compared with a mode of welding a steel pipe, the time period needed for assembling the anchor rod and the grouting pipe can be guaranteed, the grouting operation development efficiency is guaranteed, meanwhile, resource waste can be avoided, and the construction cost is reduced. Reutilization of resources can be effectively achieved, and the practicability and the utilization rate of products are improved. And the outer side of the clamping part can be intercepted and limited through the arranged limiting and intercepting part, so that the stability of the joint of the anchor rod and the grouting pipe can be enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of anchor rod grouting, in particular to a hollow grouting anchor rod quick connection device. Background Art

[0002] When grouting a hollow anchor, a steel pipe is currently welded to the end of the anchor, and the other end of the steel pipe is threaded. The anchor is connected to the grouting pipe through the steel pipe. After the grouting is completed, the grouting pipe is removed and connected to the steel pipe welded to the end of the next anchor to complete the grouting operation.

[0003] The existing anchor grouting uses a steel pipe and a grouting pipe threaded connection, which easily causes the grouting pipe to rotate and get tangled, affecting the normal grouting operation. In addition, the method of welding the steel pipe will cause material waste of the steel pipe and welding rod after the grouting is completed, causing economic losses. In addition, the time cycle required for welding is relatively long, which reduces the efficiency of the grouting operation.

[0004] For this purpose, a quick connection device for a hollow grouting anchor rod is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the problems existing in the prior art and provide a hollow grouting anchor rod quick connection device.

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A hollow grouting anchor quick connection device comprises an anchor and a grouting pipe, wherein the outer wall surface of the grouting pipe is threadedly connected with a grouting sleeve, the grouting sleeve is provided with a clamping portion for connecting the anchor and the grouting pipe, the outer side of the clamping portion is provided with a limiting interception portion for limiting and fixing the connection between the anchor and the grouting pipe, and a sealing portion for strengthening the sealing of the connection between the anchor and the grouting pipe is provided at the adjacent end of the anchor and the grouting pipe.

[0008] Furthermore, the sealing portion includes a sealing gasket, and the sealing gasket is fixedly installed on the outer wall surface of one end of the grouting pipe facing the anchor rod, and the outer wall surface of the end of the anchor rod facing the grouting pipe is provided with an inserting cavity for inserting the sealing gasket.

[0009] Furthermore, the clamping part includes an inner tube, an inner tube is fixedly installed on one end of the inner wall surface of the grouting sleeve away from the grouting pipe, and an installation ring is fixedly connected to one end of the inner tube close to the anchor rod, and a plurality of rotating cavities with narrow ends and wide middles are provided on the installation ring, and positioning beads are rollingly installed inside the rotating cavities, and a clamping tube is threadedly connected to the outer wall surface of the anchor rod, and a clamping groove for clamping the positioning beads is provided on the clamping tube.

[0010] Furthermore, a slope for the locking bead to roll is obliquely provided on one side of the locking groove close to the built-in tube.

[0011] Furthermore, the limit interception part includes an external tube, the outer wall surface of the inner tube is sleeved with the external tube, and one end of the external tube close to the mounting ring is fixedly connected to the limit ring.

[0012] Furthermore, the outer wall surface of the inner tube is provided with an external thread, the inner wall surface of the outer tube is provided with an internal thread, and the external thread and the internal thread are threadedly connected.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The utility model can realize the rapid assembly of anchor rods and grouting pipes by means of the provided clamping part. Compared with the method of using welded steel pipes, it can not only ensure the time period required for the assembly of anchor rods and grouting pipes and the efficiency of grouting operations, but also avoid waste of resources, effectively realize the reuse of resources, and improve the practicality and availability of products; the provided limiting interception part can intercept and limit the outer side of the clamping part, thereby enhancing the stability of the connection between the anchor rod and the grouting pipe; the provided sealing part can ensure the sealing effect of the connection between the anchor rod and the grouting pipe, and avoid leakage during the grouting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front perspective schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is an exploded schematic diagram of the structure of the clamping part of the utility model;

[0017] Figure 3 This is an exploded schematic diagram of the structure of the position-limiting interception part of the utility model;

[0018] Figure 4 It is a cross-sectional schematic diagram of the rotating cavity of the utility model;

[0019] Figure numerals: 1. Anchor rod; 2. Grouting pipe; 3. Grouting sleeve; 4. Clamping part; 401. Internal tube; 402. Mounting ring; 403. Rotating cavity; 404. Positioning bead; 405. Clamping tube; 406. Positioning groove; 407. Climbing; 6. Limiting and intercepting part; 601. External tube; 602. Limiting ring; 603. External thread; 604. Internal thread; 8. Sealing part; 801. Sealing gasket; 802. Inserting cavity. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0023] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] like Figures 1 to 4 As shown, a quick connection device for a hollow grouting anchor rod 1 comprises an anchor rod 1 and a grouting pipe 2, wherein the outer wall surface of the grouting pipe 2 is threadedly connected with a grouting sleeve 3, and the grouting sleeve 3 is provided with a clamping portion 4 for connecting the anchor rod 1 and the grouting pipe 2, and the outer side of the clamping portion 4 is provided with a limiting interception portion 6 for limiting and fixing the connection between the anchor rod 1 and the grouting pipe 2, and a sealing portion 8 for strengthening the sealing of the connection between the anchor rod 1 and the grouting pipe 2 is provided at one adjacent end of the anchor rod 1 and the grouting pipe 2;

[0025] Specifically, the fast assembly of the anchor rod 1 and the grouting pipe 2 can be achieved through the provided clamping portion 4. Compared with the method of using welded steel pipes, it can not only ensure the time period required for the assembly of the anchor rod 1 and the grouting pipe 2 and the efficiency of the grouting operation, but also avoid waste of resources, effectively realize the reuse of resources, and improve the practicality and availability of the product; the limit interception portion 6 can intercept and limit the outer side of the clamping portion 4, thereby enhancing the stability of the connection between the anchor rod 1 and the grouting pipe 2; the sealing portion 8 can ensure the sealing effect of the connection between the anchor rod 1 and the grouting pipe 2 to avoid leakage during the grouting process.

[0026] like Figure 2 As shown, the sealing portion 8 includes a sealing gasket 801, and the sealing gasket 801 is fixedly installed on the outer wall surface of one end of the grouting pipe 2 facing the anchor rod 1, and the outer wall surface of one end of the anchor rod 1 facing the grouting pipe 2 is provided with an inserting cavity 802 for inserting the sealing gasket 801;

[0027] Specifically, the provided sealing gasket 801 can be inserted into the inside of the insertion cavity 802 when the anchor rod 1 and the grouting pipe 2 are close to each other, so as to enhance the sealing and tightness of the connection between the anchor rod 1 and the grouting pipe 2.

[0028] like Figures 2 to 4 As shown, the clamping part 4 includes an inner tube 401, an inner tube 401 is fixedly installed on one end of the inner wall surface of the grouting sleeve 3 away from the grouting pipe 2, and an installation ring 402 is fixedly connected to one end of the inner tube 401 close to the anchor rod 1, and a plurality of rotation cavities 403 with narrow ends and wide middle are provided on the installation ring 402, and a positioning bead 404 is rollingly installed inside the rotation cavity 403, and a clamping tube 405 is threadedly connected to the outer wall surface of the anchor rod 1, and a clamping groove 406 for clamping the positioning bead 404 is provided on the clamping tube 405;

[0029] In order to ensure uniformity and stability of the engagement of the plurality of locking beads 404 with the locking grooves 406, the plurality of rotating chambers 403 are distributed in a circular pattern;

[0030] Specifically, the provided locking bead 404 can be inserted into the locking groove 406 when the built-in tube 401 and the locking tube 405 are close to each other, thereby strengthening the tightness and firmness of the connection between the anchor rod 1 and the grouting pipe 2, and achieving the purpose of rapid assembly of the anchor rod 1 and the grouting pipe 2.

[0031] like Figure 2 As shown, the locking groove 406 is provided with a slope 407 on one side close to the inner tube 401 for the locking bead 404 to roll;

[0032] Specifically, the climbing slope 407 is set to facilitate the rolling of the locking bead 404. When the built-in tube 401 and the locking tube 405 are close to each other, the locking bead 404 can roll along the laying trajectory of the climbing slope 407 to the locking groove 406, thereby ensuring the tightness and firmness of the connection between the anchor rod 1 and the grouting pipe 2. When the built-in tube 401 and the locking tube 405 are away from each other, the locking bead 404 can quickly roll out from the inside of the locking groove 406 along the laying trajectory of the climbing slope 407, thereby achieving the purpose of quickly separating and disassembling the anchor rod 1 and the grouting pipe 2.

[0033] like Figure 2 and Figure 3 As shown, the position-limiting intercepting portion 6 comprises an external pipe 601, the outer wall surface of the internal pipe 401 is sleeved with the external pipe 601, and one end of the external pipe 601 close to the mounting ring 402 is fixedly connected to the position-limiting ring 602;

[0034] Specifically, by sleeved the external tube 601 on the outside of the internal tube 401 , the limiting ring 602 is surrounded on the outside of the mounting ring 402 , which can achieve the effect of surrounding and limiting the multiple locking beads 404 from the outside, thereby enhancing the stability of the locking beads 404 in the locking grooves 406 .

[0035] like Figure 3 As shown, the outer wall surface of the inner tube 401 is provided with an outer thread 603, and the inner wall surface of the outer tube 601 is provided with an inner thread 604, and the outer thread 603 and the inner thread 604 are threadedly connected;

[0036] Specifically, by providing the external thread 603 and the internal thread 604 , the firmness of the external tube 601 installed on the outside of the internal tube 401 can be enhanced.

[0037] When in use, the user can first thread the grouting sleeve 3 to the outer wall of the grouting pipe 2, and then thread the clamping pipe 405 to the outer wall of the anchor rod 1. The threaded grouting sleeve 3 and the clamping pipe 405 can realize the reuse of resources to avoid resource waste and economic losses. Then, the anchor rod 1 and the grouting pipe 2 are brought close to each other. During the movement, multiple locking beads 404 can fall to the lower end of the rotating chamber 403 under the action of gravity. With the cooperation of the climbing slope 407, multiple locking beads 404 can slide into the inside of the locking groove 406. At this time, the sealing gasket The ring 801 can be inserted into the interior of the insertion cavity 802 to achieve the initial connection and fixation of the anchor rod 1 and the grouting pipe 2. Then, the external tube 601 is rotated. Under the action of the external thread 603 and the internal thread 604, the limiting ring 602 can be driven to approach one side of the mounting ring 402. When the limiting ring 602 is completely located outside the mounting ring 402, the inner wall surface of the limiting ring 602 abuts against the outer surface of the locking bead 404, thereby enhancing the stability of the locking bead 404 and the locking groove 406, thereby ensuring the firmness and stability of the connection between the anchor rod 1 and the grouting pipe 2.

[0038] In summary: the clamping part 4 provided can realize the rapid assembly operation of the anchor rod 1 and the grouting pipe 2. Compared with the method of using welded steel pipes, it can not only ensure the time period required for the assembly of the anchor rod 1 and the grouting pipe 2 and the efficiency of the grouting operation, but also avoid waste of resources, effectively realize the reuse of resources, and improve the practicality and availability of the product; the limiting interception part 6 provided can intercept and limit the outer side of the clamping part 4, so as to enhance the stability of the connection between the anchor rod 1 and the grouting pipe 2; the sealing part 8 provided can ensure the sealing effect of the connection between the anchor rod 1 and the grouting pipe 2, and avoid leakage during the grouting process.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A quick connection device for hollow grouting anchor rod, characterized in that: The invention comprises an anchor rod (1) and a grouting pipe (2), wherein the outer wall surface of the grouting pipe (2) is threadedly connected with a grouting sleeve (3), the grouting sleeve (3) is provided with a clamping portion (4) for connecting the anchor rod (1) and the grouting pipe (2), the outer side of the clamping portion (4) is provided with a limiting interception portion (6) for limiting and fixing the connection between the anchor rod (1) and the grouting pipe (2), and a sealing portion (8) for strengthening the sealing of the connection between the anchor rod (1) and the grouting pipe (2) is provided at one adjacent end of the anchor rod (1) and the grouting pipe (2).

2. A hollow grouting anchor quick connection device according to claim 1, characterized in that: The sealing portion (8) comprises a sealing gasket (801), and the sealing gasket (801) is fixedly mounted on the outer wall surface of one end of the grouting pipe (2) facing the anchor rod (1), and an insertion cavity (802) for inserting the sealing gasket (801) is provided on the outer wall surface of one end of the anchor rod (1) facing the grouting pipe (2).

3. A quick connection device for hollow grouting anchor rod according to claim 1, characterized in that: The clamping portion (4) comprises an inner tube (401), an inner tube (401) is fixedly mounted on one end of the inner wall surface of the grouting sleeve (3) away from the grouting pipe (2), an installation ring (402) is fixedly connected to one end of the inner tube (401) close to the anchor rod (1), a plurality of rotation cavities (403) with narrow ends and wide middle are provided on the installation ring (402), a locking bead (404) is rollingly mounted inside the rotation cavity (403), a clamping tube (405) is threadedly connected to the outer wall surface of the anchor rod (1), and a clamping groove (406) for clamping the locking bead (404) is provided on the clamping tube (405).

4. A hollow grouting anchor quick connection device according to claim 3, characterized in that: A climbing slope (407) for the locking bead (404) to roll is obliquely arranged on one side of the locking groove (406) close to the built-in tube (401).

5. A quick connection device for hollow grouting anchor rod according to claim 3, characterized in that: The position-limiting intercepting portion (6) comprises an external tube (601), the outer wall surface of the internal tube (401) is sleeved with the external tube (601), and one end of the external tube (601) close to the mounting ring (402) is fixedly connected to the position-limiting ring (602).

6. A quick connection device for hollow grouting anchor rod according to claim 5, characterized in that: The built-in The outer wall surface of the tube (401) is provided with an external thread (603), and the inner wall surface of the external tube (601) is provided with an internal thread (604). The external thread (603) and the internal thread (604) are threadedly connected.

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