Quick connector and hollow grouting mining anchor cable based on same

Abstract

The utility model discloses a quick connector which comprises an anchor cable body, the anchor cable body is of a hollow structure and is provided with a grouting core pipe, the upper portion of the anchor cable body is a stirring resin medicine end anchor, the lower end of the anchor cable body is locked through an anchorage device, a tray is installed on the anchorage device, the upper portion of the tray is connected with a stop-grouting plug, and the lower portion of the anchorage device is connected with a steel pipe. The steel pipe is communicated with the grouting core pipe, and the lower end of the steel pipe is connected with a grouting connector connected with external grouting equipment. According to the design of the hollow grouting mining anchor cable based on the quick connector, the quick structure is adopted, middle connecting components such as a hexagon and a connector base in a traditional structure are abandoned, direct integrated installation of the grouting connector is achieved, in practical application, the working process is remarkably simplified, and the construction efficiency is improved. And a worker does not need to independently install the grouting joint during field operation, so that the operation convenience and the use efficiency are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hollow grouting mine anchor cables, in particular to a quick connector and a hollow grouting mine anchor cable based on the quick connector. Background Art

[0002] The hollow grouting mine anchor cable is an important tool for reinforcing surrounding rocks. After the anchor cable is installed, a pre-tightening force can be quickly applied to provide necessary support resistance for the surrounding rocks. At the same time, through the grouting technology, the full-length anchoring of the anchor cable is realized, and the slurry can effectively consolidate the fractured and loose rock strata, thereby significantly improving the integrity, strength and self-bearing capacity of the roadway surrounding rocks.

[0003] In the prior art, the hollow grouting mine anchor cable is usually equipped with tail components such as a steel pipe, a joint seat and a hexagon. During actual operation, the staff needs to unscrew the hexagon, connect the grouting joint to the joint seat, and externally connect the grouting pipe of the grouting equipment. Before grouting, it is necessary to check the patency of the grouting pipe, and then grouting is carried out. During the grouting process, when the grouting pump makes a dull sound, it means that the grouting pressure has reached the upper limit (7 MPa). At this time, the grouting pump should be closed under pressure and wait for 1-2 minutes before continuing to grout.

[0004] However, the current split structure design of the grouting joint and the joint seat has deficiencies. For example, the grouting joint is easily lost, and it increases the complexity of on-site operation. To solve these problems, we have designed a quick connector and a hollow grouting mine anchor cable based on the quick connector to simplify the operation process and improve work efficiency. Summary of the Utility Model

[0005] In view of the problems existing in the above prior art, the utility model provides a quick connector. The design of the quick connector realizes direct connection with the steel pipe, abandons the intermediate connection components such as the hexagon and the joint seat in the traditional structure, and realizes the direct integrated installation of the quick connector. In practical applications, the work process is significantly simplified, and the staff no longer needs to perform the separate installation step of the grouting joint during on-site operations, greatly improving the convenience and use efficiency of the operation.

[0006] To achieve the above object, the quick connector adopted by the utility model includes an anchor cable body. The anchor cable body is of a hollow structure and has a grouting core pipe. The upper part of the anchor cable body is a stirring resin medicine end anchor, and the lower end is locked by an anchor. A tray is installed on the anchor, and a grout stop plug is connected above the tray. The lower part of the anchor is connected with a steel pipe, which is communicated with the above grouting core pipe, and a grouting joint connected to an external grouting device is connected to the lower end of the steel pipe.

[0007] The design of this quick connector realizes direct connection with steel pipes, eliminates intermediate connection components such as hexagons and connector seats in the traditional structure, and achieves direct integrated installation of the quick connector. In practical applications, it significantly simplifies the work process, enabling workers to no longer perform the separate installation steps of the grouting connector during on-site operations, greatly improving the convenience and usage efficiency of the operation. At the same time, the design of the upper mixing resin drug end anchor makes the anchor cable body have a mixing function, improving the performance of the anchor cable body.

[0008] As a further optimization of the above solution, a detachable sealing sleeve is sleeved outside the grouting connector. The sealing sleeve is made of an elastic material and provides an additional protective layer by being sleeved outside the grouting connector to protect the grouting connector from external environmental influences such as dust and moisture.

[0009] As a further optimization of the above solution, the inside of the grouting connector has a fixed seat, and an elastic clamping block is installed on the fixed seat. The sealing sleeve has a clamping groove that is a mating structure with the elastic clamping block. The number of elastic clamping blocks is two and the two elastic clamping blocks are arranged oppositely. The elastic clamping block has a first inclined section that extends obliquely outward along the fixed seat. The extending end of the first inclined section extends outward and forms a straight section. The straight section extends obliquely outward and forms a second inclined section. An elastic member for at least spreading the two elastic clamping blocks apart is provided between the two straight sections;

[0010] The clamping groove has a first clamping block that is a mating structure with the first inclined section, a connecting section that is a mating structure with the straight section, and a second clamping block that is a mating structure with the second inclined section. The distance between the two straight sections is smaller than the diameter of the connecting pipe of the external grouting equipment. The inner surface of the straight section is recessed inward to form a groove. The elastic member is annular and partially embedded in the groove.

[0011] The above structure ingeniously integrates the mutual matching mechanism of the elastic clamping block and the clamping groove, ensuring the stable installation of the sealing sleeve. Specifically, the elastic clamping block is uniquely designed to include a first inclined section and a second inclined section, optimizing the guiding process of the clamping block in the clamping groove and enhancing the locking efficiency. In addition, the elastic member adopts an annular structure layout, effectively dispersing and evenly applying force, thereby improving the uniformity of the clamping effect.

[0012] The sealing sleeve is made of an elastic material in terms of material, endowing the sealing sleeve with good adaptability, facilitating the fitting and fixing of the elastic clamping block and the clamping groove, significantly reducing the gap at the joint, and thus optimizing the sealing performance.

[0013] Furthermore, the elastic clamping block plays a dual role in this structure: one is as the main fixing element of the sealing sleeve, firmly fixing the sealing sleeve through a clamping connection; the other is as an auxiliary fixing device, applying an extrusion force to the externally connected grouting pipe through its elastic characteristics, and cooperating with other grouting pipe fixing elements such as the threaded part to jointly achieve the enhanced fixing of the grouting pipe, enhancing the stability and reliability of the overall system.

[0014] The hollow grouting mine bolt based on this quick connector includes the quick connector described in any of the above technical solutions. By integrating designs such as a grouting joint, a hollow bolt body, and a grouting core pipe, the anchoring effect and construction efficiency of the mine bolt are improved.

[0015] The quick connector of the present utility model and the hollow grouting mine bolt based on this quick connector have the following beneficial effects:

[0016] 1. The quick connector of the present utility model realizes the direct connection with the steel pipe, abandons intermediate connection components such as the hexagon and the joint seat in the traditional structure, and realizes the direct integrated installation of the quick connector. In practical applications, the work process is significantly simplified, and the staff no longer needs to perform the separate installation step of the grouting joint during on-site operations, greatly improving the operation convenience and usage efficiency. At the same time, the design of the upper mixing resin medicine end anchor makes the bolt body have a mixing function, improving the performance of the bolt body.

[0017] 2. The quick connector of the present utility model cleverly integrates the mutual matching mechanism of the elastic clamping block and the card slot, ensuring the stable installation of the sealing sleeve. Specifically, the elastic clamping block is uniquely designed to include a first inclined section and a second inclined section, optimizing the guiding process of the clamping block in the card slot and enhancing the locking efficiency. In addition, the elastic member adopts an annular structure layout, effectively dispersing and evenly applying force, thereby improving the uniformity of the clamping effect.

[0018] 3. The quick connector of the present utility model has an elastic clamping block with two functions. One is as the main fixing element of the sealing sleeve, firmly fixing the sealing sleeve through a clamping connection; the other is as an auxiliary fixing device, applying an extrusion force to the externally connected grouting pipe through its elastic characteristics, and cooperating with other grouting pipe fixing elements such as the threaded part to jointly achieve the enhanced fixing of the grouting pipe, enhancing the stability and reliability of the overall system.

[0019] 4. The hollow grouting mine bolt based on this quick connector of the present utility model improves the anchoring effect and construction efficiency of the mine bolt by integrating designs such as a grouting joint, a hollow bolt body, and a grouting core pipe.

[0020] With reference to the following description and the accompanying drawings, specific embodiments of the present invention are disclosed in detail, indicating the ways in which the principles of the present invention can be adopted. It should be understood that the embodiments of the present invention are not limited thereby in scope, and the embodiments of the present invention include many changes, modifications, and equivalents. Description of the Drawings

[0021] Figure 1 It is a schematic structural diagram of a quick connector;

[0022] Figure 2 It is a schematic structural diagram of a grouting joint in the present invention;

[0023] Figure 3 It is a schematic structural diagram of an elastic member in the present invention;

[0024] Figure 4 It is a schematic structural diagram of a sealing sleeve in the present invention.

[0025] In the figure: 1, anchor cable body; 2, grouting core pipe; 3, mixing resin medicine end anchor; 4, anchor; 5, tray; 6, grout stopper; 7, steel pipe; 8, grouting joint; 81, fixed seat; 82, elastic clamping block; 821, first inclined section; 822, straight section; 823, second inclined section; 824, elastic member; 825, groove; 9, sealing sleeve; 91, clamping groove; 911, first clamping block; 912, connecting section; 913, second clamping block. Specific Embodiments

[0026] To make the objectives, technical solutions, and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the present invention and do not limit the scope of the present invention.

[0027] It should be noted that when an element is referred to as "disposed on, provided with" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected, connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. "Fixed connection" means a fixed connection, and there are many ways of fixed connection, which are not within the scope of protection of this article. The terms "vertical", "horizontal", "left", "right", and similar expressions used in this article are only for the purpose of illustration and do not represent the only embodiment.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art of the present invention. The terms used in the specification are only for the purpose of describing specific implementations and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] Please refer to the instruction manual Figure 1 The utility model provides a specific embodiment of a quick connector. The quick connector structure adopted in this embodiment has an anchor body 1, which is hollow inside and has a built-in grouting core tube 2. The upper part of the anchor body 1 is designed as a stirring resin drug end anchor 3, and the lower end is fastened by an anchor 4. A tray 5 is installed on the anchor 4, and a grouting stopper 6 is connected to the upper part of the tray 5 to ensure a sealing effect. The lower part of the anchor 4 is directly connected to a steel pipe 7, which is connected to the grouting core tube 2, and a grouting joint 8 that can quickly connect to external grouting equipment is installed at the end of the steel pipe 7.

[0030] The quick connector innovatively realizes direct integrated connection with the steel pipe 7, eliminating the cumbersome intermediate connectors such as the traditional hexagonal connector and the connector seat, greatly simplifying the on-site operation process, avoiding the steps of installing the grouting connector separately, and thus significantly improving the convenience of operation and work efficiency. At the same time, the integration of the stirring resin drug end anchor 3 gives the anchor body 1 a stirring function, enhancing its practical performance.

[0031] It should be noted that in Figure 1 The grouting joint 8 in the embodiment adopts the existing grouting joint 8 structure, and the grouting joint structure is not improved.

[0032] For further information, please refer to Figures 2 - 4 ,this Figures 2 - 4 In the invention, the structure of the grouting joint 8 is improved. Specifically, a detachable sealing sleeve 9 is added to the outside of the grouting joint 8. The sealing sleeve 9 is made of elastic material and tightly wraps the grouting joint 8 to form an effective protective barrier to resist the intrusion of adverse factors such as external dust and moisture.

[0033] In addition, the grouting joint 8 has a built-in fixing seat 81, and an elastic block 82 is installed on the fixing seat 81, and the sealing sleeve 9 is equipped with a card slot 91 adapted to the elastic block 82. The elastic block 82 is composed of two pieces and arranged oppositely, and each elastic block 82 includes a first inclined section 821 inclined outward, a straight section 822 and a second inclined section 823, wherein an elastic member 824 is arranged between the two straight sections 822 to cause the elastic blocks 82 to open to each other, and the elastic member 824 is partially embedded in the groove 825 on the inner surface of the straight section 822 in an annular form to ensure uniform force distribution and improve the clamping effect.

[0034] The card slot 91 has a first locking block 911 that is a mating structure with the first inclined section 821, a connecting section 912 that is a mating structure with the straight section 822, and a second locking block 913 that is a mating structure with the second inclined section 823. The distance between the two straight sections 822 is smaller than the diameter of the connecting pipe of the external grouting equipment.

[0035] The above structure cleverly utilizes the interlocking mechanism between the elastic locking block 82 and the card slot 91 to ensure the stability of the installation of the sealing sleeve 9. The special design of the elastic locking block 82 not only optimizes the guiding property during the installation process but also enhances the locking strength. The adoption of the annular elastic member 824 realizes the uniform transmission and application of force, further improving the fixing effect of the sealing sleeve 9. Generally speaking, this design reflects the deep integration of material characteristics and structural functions, ensuring the efficient and reliable operation of the grouting joint 8 and the sealing sleeve 9.

[0036] It should be noted that an internal thread (not shown in the figure) that is threadedly engaged with the external grouting pipe is also provided inside the grouting joint 8.

[0037] The assembly and fixing process of the quick joint provided in this embodiment and the sealing sleeve 9 in the hollow grouting mine cable anchor based on this quick joint are as follows:

[0038] S1. Align the sealing sleeve 9 with the outside of the grouting joint 8 to ensure that their sizes and shapes match. At this time, pay attention to the position of the card slot 91 on the sealing sleeve 9 so as to correspond to the elastic locking block 82 on the grouting joint 8.

[0039] S2. Slip the sealing sleeve 9 over the outside of the grouting joint 8 while ensuring that the card slot 91 is aligned with the elastic locking block 82. When the sealing sleeve 9 slides to the appropriate position, you will feel the resistance of the elastic locking block 82 snapping into the card slot 91. Continue to push the sealing sleeve 9 until it completely covers the part of the grouting joint 8 that needs to be sealed.

[0040] S3. After the installation is completed, check whether the sealing sleeve 9 is firmly fixed on the grouting joint 8 without shaking or displacement. If necessary, make minor adjustments to ensure the accuracy and stability of the installation position of the sealing sleeve 9.

[0041] 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, or improvements 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. Quick connector, characterized in that: The invention comprises an anchor cable body (1), which is a hollow structure and has a grouting core tube (2). The upper part of the anchor cable body (1) is a stirred resin end anchor (3), and the lower end is locked by an anchor (4). A tray (5) is installed on the anchor (4) and a grouting stopper (6) is connected to the upper part of the tray (5). The lower part of the anchor (4) is connected to a steel pipe (7), which is in communication with the grouting core tube (2) and a grouting joint (8) connected to external grouting equipment is connected to the lower end of the steel pipe (7).

2. The quick connector according to claim 1, characterized in that: The outer sleeve of the grouting joint (8) is provided with a detachable sealing sleeve (9).

3. The quick connector according to claim 2, characterized in that: The grouting joint (8) has a fixing seat (81) inside, an elastic block (82) is mounted on the fixing seat (81), and the sealing sleeve (9) has a card slot (91) that is a matching structure with the elastic block (82).

4. The quick connector according to claim 3, characterized in that: The number of the elastic card blocks (82) is two and the two elastic card blocks (82) are arranged opposite to each other, the elastic card block (82) has a first inclined section (821) extending outwardly along the fixing seat (81), the protruding end of the first inclined section (821) extends outwardly to form a straight section (822), the straight section (822) extends outwardly to form a second inclined section (823), and an elastic member (824) is provided between the two straight sections (822) for at least making the two elastic card blocks (82) open to each other; The clamping slot (91) comprises a first clamping block (911) which is a matching structure with the first inclined section (821), a connecting section (912) which is a matching structure with the straight section (822), and a second clamping block (913) which is a matching structure with the second inclined section (823).

5. The quick connector according to claim 4, characterized in that: The sealing sleeve (9) is made of elastic material.

6. The quick connector according to claim 5, characterized in that: The distance between the two straight line segments (822) is smaller than the diameter of the connecting pipe of the external grouting equipment.

7. The quick connector according to claim 6, characterized in that: The inner surface of the straight section (822) is recessed inwards to form a groove (825), and the elastic member (824) is annular and partially embedded in the groove (825).

8. The hollow grouting mining anchor cable based on the quick connector is characterized by: The quick connector comprises the quick connector as claimed in any one of claims 1 to 7.

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