A quick-installation cable fixing hoop and installation method

Abstract

The present invention discloses a quick-installation type cable fixing clamp, which comprises a first clamp, a second clamp, a steel cable fixing member, a steel cable and variable clamping pieces. After the first clamp and the second clamp are connected to each other, a hollow cylindrical structure is formed. The variable clamping pieces are arranged at the connection of the first clamp and the second clamp. Both the first clamp and the second clamp include an arc-shaped body, a first side portion and a second side portion. Protrusions and grooves that can cooperate with each other are arranged on both end faces of the arc-shaped body, the first side portion and the second side portion. Cable fixing holes are uniformly formed on the first side portion and the second side portion respectively. It has complete functions and is convenient to install. During installation, the fixing installation of the cable can be completed without complex tools and cumbersome steps; and due to the arrangement of the variable clamping pieces, it has better size adaptability for cable installation; at the same time, it also has the ability to automatically adjust the tightness with the change of the ambient temperature, improving the self-adaptive protection ability of the cable to the environment.

Description

Technical Field

[0001] The present invention relates to the field of installation of cables such as optical cables / cables, and particularly relates to a quick-installation type cable fixing hoop. Background Art

[0002] With the progress of technology and the continuous development of social civilization, the urbanization speed has increased significantly, and the investment in infrastructure construction such as power and communication networks has been strong. For example, the laying range and laying length of various cables such as optical cables, cables, monitoring cables, and hybrid cables have been increasing at a rate of more than 20% per year.

[0003] In the laying of various cables, the hoop is the most common cable arrangement and fixing accessory, and the number of hoops configured is directly positively correlated with the laying length of the cable. Therefore, effectively solving the reliability, adaptability, versatility, and convenience of the hoop has always been the key focus in the research and manufacturing field of hoops. Obviously, if the above four properties of the hoop are solved, the labor and resource costs of cable laying will be significantly reduced, and the operation efficiency will be greatly improved.

[0004] The hoops mainly used in current production include types such as screw-thread rack type, steel plate hinge type, and strap type. However, these types of hoops all have such or such deficiencies in use, and they cannot well meet the "four properties" requirements of the market for hoops. For example, the screw-thread rack type is generally not friendly to thin cables as a whole. When in use, special tools such as screwdrivers are required for adjustment, and the smaller the adjusted diameter, the greater the adjustment difficulty, and the worse the adjustment complexity and reliability; the steel plate hinge type has a small application scenario and is more suitable for fixing devices such as cameras, and is not suitable for large-scale field or outdoor stretching operations; the strap type is a disposable accessory, and if rework is required, the strap will fail. These types of hoops also have a narrow contact surface with the cable, which easily causes excessive pressure on the pressure point of the cable, resulting in problems such as cable breakdown or optical cable breakage; they have poor environmental adaptability and cannot well solve the problem of pressure change of the cable caused by the temperature difference between seasons and between day and night; because tools are needed to fix the cable, there is also a problem of insufficient installation convenience.

[0005] With the rapid expansion and in-depth development of the market, the functional requirements of the market for cable clamps have not only been limited to the fixation of cables, but also need to take into account the ability of functional diversity. The cable clamp should not only solve the fixation and restraint of the cable body during laying, especially in the scenario of laying multiple bundles of cables together, it is more important to bundle and fix multiple bundles of cables; at the same time, it should also solve the problem of fixing the overall orientation of the cable on the telegraph pole, wall or in the cable well. However, the current mainstream cable clamps cannot well meet such functional requirements, and there is still a lack of a cable clamp on the market that can protect, guide and restrain the orientation of the cable. Its specific application scenario is when the cable orientation needs to suddenly deflect from the original orientation by a large angle, especially when it is greater than or equal to 90 degrees. If the cable is not effectively guided, it is very easy to break the cable or make the wire arrangement irregular.

[0006] The development of cable clamps based on their functional diversity and combined expandability is also the demand of the market and the expectation of the industry. It is urgent to develop a new type of quick-installation multifunctional cable clamp. Summary of the Invention

[0007] In order to solve the above-mentioned deficiencies of the prior art, the present invention provides a quick-installation cable clamp, which can realize the quick installation of the cable fixing clamp. Its overall structure is simple, easy to install and fix, and the installation and fixation of the cable clamp can be completed without cumbersome steps, which is very convenient to use, and can be applied to a variety of application scenarios to meet different functional requirements.

[0008] When in use, the cable can be passed through along the wire groove, then the first cable clamp is placed on the second cable clamp, and the variable clip is placed in the middle of the upper and lower parts. The steel cable is passed through the symmetric steel cable fixing holes on both sides of the cable clamp from the bottom, and then methods such as tying knots can be used to prevent the steel cable from slipping out of the hole. Then the steel cable is connected to the steel cable fixing hook of the steel cable fixing part. At the same time, combinations of various different forms of cable clamps can be realized. The combination of the straight cable clamp and the curved cable clamp can realize the guidance of the cable in different directions, avoid the cable from being bent, and play a positive role in protecting the cable.

[0009] Specifically, the present invention provides a quick-installation cable fixing clamp, which includes a first cable clamp, a second cable clamp, a steel cable fixing part, a steel cable and a variable clip. The first cable clamp and the second cable clamp are connected to each other to form a hollow cylindrical structure. The variable clip is arranged at the connection of the first cable clamp and the second cable clamp. A plurality of uniformly distributed wire grooves are arranged inside the first cable clamp and the second cable clamp. The first cable clamp and the second cable clamp each include an arc-shaped body, a first side part and a second side part. A plurality of steel cable fixing holes are uniformly formed on the first side part and the second side part of the first cable clamp and the second cable clamp respectively. An outwardly extending arc-shaped lug is arranged at the middle position of the first side part or the second side part of the first cable clamp, and an external fixing hole is arranged on the arc-shaped lug;

[0010] A cable fixing member is provided on the arc-shaped body of the first hoop. The cable fixing member includes a mounting seat, a cable fixing member body, a cable fixing hook, and a self-locking column. The mounting seat is fixedly connected to the middle position outside the arc-shaped body of the first hoop. The cable fixing member body is disposed in the mounting groove inside the mounting seat. A plurality of self-locking columns extending outside the cable fixing member body are uniformly provided around the cable fixing member body near the bottom. A cable fixing hook is connected to the outer end of each self-locking column. A plurality of locking grooves are uniformly formed around the top of the side wall of the mounting seat. The locking groove is an L-shaped notch that is narrower at the top and wider at the bottom. The locking groove includes a vertical notch and a horizontal notch. The self-locking column can move in the vertical notch and lock in the horizontal notch. The locking groove communicates with the mounting groove.

[0011] The cable passes through the cable fixing holes of the second hoop and the first hoop and the reserved holes of the variable clamping piece in sequence, and is hung on the cable fixing hook of the cable fixing member by tying a knot.

[0012] Preferably, the arc radii and arc angles of the arc-shaped bodies of the first hoop and the second hoop are the same. The side wall of the arc-shaped body is arc-shaped, and the angle of the arc is less than or equal to 180 degrees.

[0013] The arc-shaped body includes an outer surface of the arc-shaped body, an inner surface of the arc-shaped body, a first end surface of the arc-shaped body, and a second end surface of the arc-shaped body.

[0014] The arc-shaped body, the first side portion, and the second side portion have the same length. The outer edge portions of the two longitudinal section cuts of the arc-shaped body are respectively fixedly connected or integrally provided with the first side portion and the second side portion. The first side portion and the second side portion are in the same plane, and this plane is parallel to the top section plane of the outer surface of the arc-shaped body.

[0015] Both the first side portion and the second side portion include a first side end surface and a second side end surface. The first side end surfaces of the first side portion and the second side portion are respectively located on both sides of the first end surface of the arc-shaped body and are in the same plane as the first end surface of the arc-shaped body. The second side end surfaces of the first side portion and the second side portion are respectively located on both sides of the second end surface of the arc-shaped body and are in the same plane as the second end surface of the arc-shaped body.

[0016] Preferably, the arc-shaped bodies of the first hoop and the second hoop are both provided with a first convex-groove assembly. The first side portions of the first hoop and the second hoop are both provided with a second convex-groove assembly. The second side portions of the first hoop and the second hoop are both provided with a third convex-groove assembly.

[0017] The first convex-groove assembly includes a first convex located on the first end surface of the arc-shaped body and a first groove located on the second end surface of the arc-shaped body.

[0018] The second protrusion and groove assembly includes a second protrusion located on the first side end face of the first side portion and a second groove located on the second side end face of the first side portion;

[0019] The third protrusion and groove assembly includes a third protrusion located on the first side end face of the second side portion and a third groove located on the second side end face of the second side portion;

[0020] The shapes, numbers, and installation positions of the first protrusion and the first groove, the second protrusion and the second groove, and the third protrusion and the third groove respectively match each other.

[0021] Preferably, one set or more than one set of the first protrusion and groove assembly, the second protrusion and groove assembly, and the third protrusion and groove assembly are provided; the shapes and numbers of the first protrusion and groove assembly, the second protrusion and groove assembly, and the third protrusion and groove assembly are the same or different.

[0022] Preferably, the installation groove is a cylindrical hollow structure inside the mounting base, and the main body of the cable fixing member is a cylindrical structure matching the installation groove; the self-locking column is integrally provided with the main body of the cable fixing member, and the main body of the cable fixing member and the self-locking column realize up and down movement and installation and disassembly in the installation groove through cooperation with the locking groove;

[0023] The shape of the self-locking column is cylindrical, cubic, cuboid, triangular prism, or any column shape; the vertical groove depth and horizontal groove width of the locking groove are both matched with the size and position of the self-locking column;

[0024] When the self-locking column enters the horizontal notch of the locking groove, the main body of the cable fixing member can rotate in the installation groove of the mounting base; the rotation direction and the maximum rotation displacement are respectively defined by the opening direction of the horizontal notch and the length of the horizontal slot.

[0025] Preferably, a protrusion is provided on the upper surface of the main body of the cable fixing member, and the protrusion is used to realize the lifting, lowering, and rotating operations of the cable fixing member by applying an external force;

[0026] The cable fixing hook is used to connect the cable and the cable fixing member, the orientation of the cable fixing hook is consistent with the extending direction of the opening of the horizontal notch, and sleeve joints are provided at both ends of the cable.

[0027] Preferably, the cross section of the variable clip is wavy, and the material of the variable clip is an elastic material;

[0028] The wire groove is a strip-shaped wire groove located on the inner surface of the arc-shaped body.

[0029] Preferably, the longitudinal cross-sections of the first and second clamps are straight lines, broken lines or curves.

[0030] Preferably, a plurality of fixed clamps with the same or different longitudinal cross-sections can be connected in series with each other, and adjacent fixed clamps are connected together by means of the first convex-groove assembly, the second convex-groove assembly and the third convex-groove assembly.

[0031] Preferably, on the other hand, the present invention also provides a method for fixing a cable by using the quick-installable cable fixing clamp as follows:

[0032] S1. Determine the length of the steel cable according to the size of the clamp and the thickness of the cable, which specifically includes the following sub-steps:

[0033] S11. Measure the inner radius R1 and wall thickness m of the arc-shaped body of the first and second clamps;

[0034] S12. Measure the height h1 when the variable clip is horizontally placed in the natural relaxation state;

[0035] S13. Measure the vertical groove depth h2 of the L-shaped notch and the shortest distance h3 from the top of the mounting seat to the arc-shaped body;

[0036] S14. Measure the distances q from the centers of the steel cable fixing holes on the first side and the second side of the first and second clamps to the nearest position of the arc-shaped body respectively;

[0037] S15. Arrange the cables to be fixed in a circular shape and place them together, measure the diameter R2 of the circle, and make corresponding judgments and treatments according to the following conditions:

[0038] If R2 < R1, it is necessary to select a clamp set with a smaller R1 to fix the cable. The selection standard is 0.8R2 ≤ R1 ≤ R2. After selecting the appropriate clamp, install it according to S16 and the following steps;

[0039] Or pre-wrap the cable with waterproof, insulating and weather-resistant materials at the place where the cable is to be fixed so that the outer diameter of the circular arrangement of the cable satisfies R2 ≥ R1, and then continue to use the existing clamp to fix it. The method for determining the length of the steel cable is as shown in S16:

[0040] S16. Select the length L of the steel cable within the range determined by the following formula:

[0041]

[0042] S2. Place the second clamp under the cable, let the cable pass through along the wire groove direction, then place the first clamp on the second clamp, and place the variable clip between the first clamp and the second clamp.

[0043] S3. Pass the steel cable through the corresponding second hoop steel cable fixing holes, variable clamp piece reserved holes, and first hoop steel cable fixing holes in sequence from the bottom;

[0044] S4. Insert the main body of the steel cable fixing piece into the installation groove, squeeze the first hoop and the second hoop to make the variable clamp piece in a deformed energy storage state, and then connect the steel cable to the corresponding steel cable fixing hooks through the sleeve link in sequence;

[0045] S5. When all the steel cable fixing hooks are connected to the steel cable, press and insert the steel cable fixing piece to the bottom of the installation groove through the operation of the protrusion and rotate it to the bottom of the horizontal notch along the opening direction of the L-shaped notch;

[0046] S6. At this time, release the extrusion force of the first hoop and the second hoop, and the potential energy stored in the variable clamp piece is released simultaneously until the steel cable is tightened and no longer deforms. With the restoring force of the variable clamp piece and the restraint of the steel cable, the stable hoop of the cable will be realized;

[0047] S7. Fix the hoop on the external support body through the external fixing holes to realize the fixing of the cable and the hoop;

[0048] S8. When using the combined hoop to fix the cable, it is necessary to add the step of combining the hoops on the basis of step S1. Combine the first hoops and the second hoops of two adjacent hoops in multiple groups of hoops to be combined using the first protrusion and the first groove, the second protrusion and the second groove, and the third protrusion and the third groove respectively to obtain the first hoop combination pair and the second hoop combination pair. Then replace the first hoop and the second hoop, the operation objects in S2-S7, with the first hoop combination pair and the second hoop combination pair respectively, and keep the other operation objects, the steel cable fixing piece, the steel cable, and the variable clamp piece unchanged. Then repeat the above steps S2-S7 to complete the corresponding operations; realize the fixing of the cable using the combined hoop and the sorting work of the laying direction.

[0049] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0050] (1) The application objects and scenarios of the hoop of the present invention are extensive. The design of the double hoops of the first hoop and the second hoop, as well as the configuration of the variable clamp piece and the adjustable steel cable, enable the present invention to be used for fixing a single cable, and also for fixing a mixed cable; it can be used for fixing a thin cable, and also for fixing a thick cable bundle; it can be used for fixing an optical cable, and also for fixing cables, optical cables, and mixed cables. The structural design of the hoop makes the present invention have good reliability, adaptability, and versatility.

[0051] (2) The overall structure of the present invention is simple, easy to install and fix, and can quickly complete the clamping and installation of the cable without complicated steps and complex tools, which has outstanding convenience. The clamp can be reused many times, and the performance remains stable, which is conducive to cost saving.

[0052] (3) The upper half of the first clamp of the present invention is provided with an external fixing hole, and this structure can be used to fix the clamp on a supporting object such as a wall or a steel frame to prevent the cable from moving.

[0053] (4) The present invention is also provided with a steel cable fixing hook, which is used to fix the steel cable and the steel cable fixing piece together, and control the rotation direction of the steel cable fixing piece according to the direction of the steel cable fixing hook. When rotating the steel cable fixing piece, the rotation direction should be opposite to the direction of the hook. In addition, the mounting seat on the first clamp is also provided with a mounting groove and a locking groove. The mounting groove provides a limiting function for the steel cable fixing piece. Different mounting groove heights can be set during processing according to the size of the clamp. The locking groove can adjust the groove depth of the locking groove according to the size of the clamp during processing to change the tightness of the clamp. The structure of the present invention well meets the demand for diverse cable fixing functions.

[0054] (5) A variable clip is provided between the first clamp and the second clamp of the present invention. When the steel cable fixing member is tightened during operation, the variable clip can be deformed, so that the tightness of the clamp can be adjusted. The deformation of the variable clip can be used to avoid damage to the cable, and also provide great adaptability for the cable clamp. The elastic recovery force of the variable clip also provides the power required for tightening the steel wire rope, further ensuring the stability and reliability of the clamp effect. The addition of the variable clip also makes the clamp have strong environmental and temperature adaptability, effectively offsetting the potential damage to the cable caused by thermal expansion and contraction of the clamp.

[0055] (6) When in use, the present invention can also combine multiple sets of clamps together to meet different working environment requirements. Multiple sets of clamps are connected together by a combination of protrusions and grooves, and the shapes of the longitudinal sections of multiple clamps can also be selected as clamps with different longitudinal sections as needed, thereby meeting various routing problems. The application of combined clamps can effectively solve the problem of changing direction in cable routing. Through the use of the clamp assembly, damage to the cable performance caused by a sharp turn in direction can be prevented. In particular, for optical cables, the influence and interference of bending loss on optical communications can be effectively reduced.

[0056] (7) The method and steps for fixing the cable in the present invention can ensure that even after the installation is completed, the variable clip is in a completely relaxed state, and the main body of the steel cable fixing member cannot be separated from the installation groove. The structural design of the clamp and the method and steps of the present invention ensure the stability and reliability of the clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] Figure 1 This is the overall front elevation three-dimensional structural schematic diagram of the quick-installable cable fixing hoop of the present invention;

[0058] Figure 2 This is the overall bottom elevation three-dimensional schematic diagram of the quick-installable cable fixing hoop of the present invention;

[0059] Figure 3 This is the top view structural schematic diagram of the first hoop of the present invention;

[0060] Figure 4 This is the top view structural schematic diagram of the second hoop of the present invention;

[0061] Figure 5 This is the structural schematic diagram of the steel cable fixing member of the present invention;

[0062] Figure 6 This is the structural schematic diagram of the variable clip of the present invention.

[0063] The following are some of the reference numerals in the figure:

[0064] 1 - First hoop; 2 - Second hoop; 3 - Steel cable fixing member; 4 - Variable clip; 5 - Steel cable;

[0065] 11 - First hoop wire groove; 12 - Arc-shaped body of the first hoop; 13 - First side part of the first hoop; 14 - Second side part of the first hoop; 15 - First protrusion of the first hoop; 16 - First groove of the first hoop; 17 - Second protrusion of the first hoop; 18 - Second groove of the first hoop; 19 - Third protrusion of the first hoop; 110 - Third groove of the first hoop; 111 - Arc-shaped lug; 112 - External fixing hole; 113 - Steel cable fixing hole on the first side part of the first hoop; 114 - Steel cable fixing hole on the second side part of the first hoop;

[0066] 121 - First end face of the arc-shaped body of the first hoop; 122 - Second end face of the arc-shaped body of the first hoop; 123 - Outer surface of the arc-shaped body of the first hoop; 124 - Inner surface of the arc-shaped body of the first hoop;

[0067] 131 - First side end face of the first side part of the first hoop; 132 - Second side end face of the first side part of the first hoop;

[0068] 141 - First side end face of the second side part of the first hoop; 142 - Second side end face of the second side part of the first hoop;

[0069] 21 - Second cable clamp wire trough; 22 - Arc-shaped body of the second cable clamp; 23 - First side part of the second cable clamp; 24 - Second side part of the second cable clamp; 25 - First protrusion of the second cable clamp; 26 - First groove of the second cable clamp; 27 - Second protrusion of the second cable clamp; 28 - Second groove of the second cable clamp; 29 - Third protrusion of the second cable clamp; 210 - Third groove of the second cable clamp; 211 - Cable fixing hole on the first side part of the second cable clamp; 212 - Cable fixing hole on the second side part of the second cable clamp;

[0070] 221 - First end face of the arc-shaped body of the second cable clamp; 222 - Second end face of the arc-shaped body of the second cable clamp; 223 - Outer surface of the arc-shaped body of the second cable clamp; 224 - Inner surface of the arc-shaped body of the second cable clamp;

[0071] 231 - First side end face of the first side part of the second cable clamp; 232 - Second side end face of the first side part of the second cable clamp;

[0072] 241 - First side end face of the second side part of the second cable clamp; 242 - Second side end face of the second side part of the second cable clamp;

[0073] 31 - Cable fixing hook; 32 - Protrusion; 33 - Locking groove; 34 - Self-locking column; 35 - Main body of the cable fixing part; 36 - Mounting seat; 37 - Mounting groove;

[0074] 41 - Reserved hole. Detailed implementation mode

[0075] Hereinafter, the implementation modes of the present invention will be described with reference to the accompanying drawings.

[0076] As Figure 1 and Figure 2 shown, the present invention provides a quick-installable cable fixing clamp, wherein the cable refers to optical cables, electric cables, and hybrid cables of optical cables and electric cables, etc., and includes a first cable clamp 1, a second cable clamp 2, a cable fixing part 3, a variable clip 4, and a cable 5. The first cable clamp 1 and the second cable clamp 2 are connected to each other to form a hollow cylindrical structure. The variable clip 4 is arranged at the connection between the first cable clamp 1 and the second cable clamp 2, and a plurality of uniformly distributed wire troughs are respectively arranged inside the first cable clamp 1 and the second cable clamp 2.

[0077] The cable fixing part 3 is arranged on the upper part of the first cable clamp 1. The cable 5 passes through the second cable clamp 2, the variable clip 4, and the first cable clamp 1 in sequence and is fixed on the cable fixing part 3. The overall shape of the first cable clamp 1 and the second cable clamp 2 can be set to be straight or curved. The curved cable clamp can be applied to the place where the cable needs to turn, so as to prevent the cable from being bent.

[0078] The following will describe the structures of various parts of the present invention in detail with reference to the accompanying drawings:

[0079] First cable clamp:

[0080] As shown Figure 3 in the figure, the first hoop 1 includes the arc-shaped body 12 of the first hoop, the first side portion 13 of the first hoop, and the second side portion 14 of the first hoop. The side wall of the arc-shaped body is arc-shaped, that is, the entire arc-shaped body is actually a part of a cylinder, which can be a half cylinder or a small half cylinder less than a half cylinder formed by cutting a cylinder with a plane. The arc angle is less than or equal to 180 degrees.

[0081] The arc-shaped body 12 of the first hoop includes the first end face 121 of the arc-shaped body of the first hoop, the second end face 122 of the arc-shaped body of the first hoop, the outer surface 123 of the arc-shaped body of the first hoop, and the inner surface 124 of the arc-shaped body of the first hoop. The first side portion 13 of the first hoop includes the first side end face 131 of the first side portion of the first hoop and the second side end face 132 of the first side portion of the first hoop. The second side portion 14 of the first hoop includes the first side end face 141 of the second side portion of the first hoop and the second side end face 142 of the second side portion of the first hoop. For the convenience of wire routing, a strip-shaped first hoop wire groove 11 is provided inside the inner surface 124 of the arc-shaped body of the first hoop. This structure can be used to guide the optical cable or cable through, and at the same time ensure that the cable does not rotate and displace, thereby causing a slack phenomenon.

[0082] The arc-shaped body 12 of the first hoop, the first side portion 13 of the first hoop, and the second side portion 14 of the first hoop have the same length. The outer edges of the two longitudinal section cuts of the arc-shaped body 12 of the first hoop are respectively fixedly connected or integrally provided with the first side portion 13 of the first hoop and the second side portion 14 of the first hoop. The first side portion 13 of the first hoop and the second side portion 14 of the first hoop are located in the same plane, and this plane is parallel to the top cut surface of the outer surface of the arc-shaped body 12 of the first hoop.

[0083] The first side portion 13 of the first hoop and the second side portion 14 of the first hoop are respectively provided with a steel cable fixing hole 113 on the first side portion of the first hoop or 114 on the second side portion of the first hoop for the steel cable to pass through. The first side portion 13 of the first hoop or the second side portion 14 of the first hoop is also provided with an arc-shaped lug 111, and an external fixing hole 112 is provided on the arc-shaped lug 111. In this embodiment, the arc-shaped lug 111 is provided on the first side portion 13 of the first hoop. In other embodiments, the arc-shaped lug 111 can also be provided on the second side portion 14 of the first hoop or provided on both the first side portion 13 and the second side portion 14 of the first hoop at the same time, or can be provided on one of the two side portions of the second hoop or both at the same time, and can be set according to the actual situation. Through the external fixing hole 112, the hoop can be fixed to the wall or the telegraph pole or other suspensible objects to realize the fixation of the cable and the hoop.

[0084] The first end face 121 of the arc-shaped body of the first hoop, the first side end face 131 of the first side portion of the first hoop, and the first side end face 141 of the second side portion of the first hoop are located on the same horizontal plane. The second end face 122 of the arc-shaped body of the first hoop, the second side end face 132 of the first side portion of the first hoop, and the second side end face 142 of the second side portion of the first hoop are located on the same horizontal plane.

[0085] A cable fixing member 3 is provided on the upper surface of the first hoop 1 to fix the cable 5.

[0086] A first protrusion 15 of the first hoop is provided on the first end face 121 of the arc-shaped body of the first hoop, a first groove 16 of the first hoop is provided on the second end face 122 of the arc-shaped body of the first hoop, a second protrusion 17 of the first hoop is provided on the first side end face 131 of the first side portion of the first hoop, a second groove 18 of the first hoop is provided on the second side end face 132 of the first side portion of the first hoop, a third protrusion 19 of the first hoop is provided on the first side end face 141 of the second side portion of the first hoop, and a third groove 110 of the first hoop is provided on the second side end face 142 of the second side portion of the first hoop.

[0087] Among them, the shapes, numbers, and installation positions of the first protrusion and the first groove, the second protrusion and the second groove, and the third protrusion and the third groove respectively match each other. However, the shapes and numbers between them can be set as needed. That is, as long as the shapes and numbers of the protrusions and grooves at the corresponding positions match, the shapes and numbers of the protrusions and grooves at different positions can be freely set as needed. The number is preferably one for each type of protrusion and groove. Of course, in actual processing, multiple can also be provided for each type of protrusion and groove according to actual requirements. When multiple hoops need to be used in combination with each other, the adjacent hoops can be connected by using the cooperation of the protrusions and grooves.

[0088] Second hoop:

[0089] As Figure 4 shown, the second hoop 2 includes an arc-shaped body 22 of the second hoop, a first side portion 23 of the second hoop, and a second side portion 24 of the second hoop. The side wall of the arc-shaped body is arc-shaped, that is, the entire arc-shaped body is actually a part of a cylinder, which can be half a cylinder or less than half a cylinder. The corresponding arc angle is less than or equal to 180 degrees. The arc radii and arc angles of the arc-shaped bodies of the first hoop and the second hoop are the same, ensuring that they can be cooperatively connected with each other.

[0090] The arc-shaped body 22 of the second clamp includes the first end face 221 of the arc-shaped body of the second clamp, the second end face 222 of the arc-shaped body of the second clamp, the outer surface 223 of the arc-shaped body of the second clamp, and the inner surface 224 of the arc-shaped body of the second clamp. The first side portion 23 of the second clamp includes the first side end face 231 of the first side portion of the second clamp and the second side end face 232 of the first side portion of the second clamp. The second side portion 24 of the second clamp includes the first side end face 241 of the second side portion of the second clamp and the second side end face 242 of the second side portion of the second clamp. To facilitate wire routing, a strip-shaped second clamp wire groove 21 is provided inside the inner surface 224 of the arc-shaped body of the second clamp.

[0091] The arc-shaped body 22 of the second clamp, the first side portion 23 of the second clamp, and the second side portion 24 of the second clamp have equal lengths. The outer edge portions of the two longitudinal section cuts of the arc-shaped body 22 of the second clamp are respectively fixedly connected or integrally provided with the first side portion 23 of the second clamp and the second side portion 24 of the second clamp. The first side portion 23 of the second clamp and the second side portion 24 of the second clamp are located in the same plane, and this plane is parallel to the top section plane of the outer surface of the arc-shaped body 22 of the second clamp.

[0092] The first side portion 23 of the second clamp and the second side portion 24 of the second clamp are respectively provided with a cable fixing hole 211 on the first side portion of the second clamp or 212 on the second side portion of the second clamp for the steel cable 5 to pass through.

[0093] The first end face 221 of the arc-shaped body of the second clamp, the first side end face 231 of the first side portion of the second clamp, and the first side end face 241 of the second side portion of the second clamp are located on the same horizontal plane. The second end face 222 of the arc-shaped body of the second clamp, the second side end face 232 of the first side portion of the second clamp, and the second side end face 242 of the second side portion of the second clamp are located on the same horizontal plane.

[0094] The first end face 221 of the arc-shaped body of the second clamp is provided with a first protrusion 25 of the second clamp, the second end face 222 of the arc-shaped body of the second clamp is provided with a first groove 26 of the second clamp, the first side end face 231 of the first side portion of the second clamp is provided with a second protrusion 27 of the second clamp, the second side end face 232 of the first side portion of the second clamp is provided with a second groove 28 of the second clamp, the first side end face 241 of the second side portion of the second clamp is provided with a third protrusion 29 of the second clamp, and the second side end face 242 of the second side portion of the second clamp is provided with a third groove 210 of the second clamp.

[0095] Among them, the shapes, numbers, and installation positions of the first protrusion and the first groove, the second protrusion and the second groove, and the third protrusion and the third groove respectively match each other. However, the shapes and numbers between them can be set as needed. That is, as long as the shapes and numbers of the protrusions and grooves at the corresponding positions match, the shapes and numbers of the protrusions and grooves at different positions can be freely set as needed. Preferably, one protrusion and groove of each type are provided respectively. Of course, in actual processing, multiple protrusions and grooves of each type can also be provided according to actual needs. When multiple hoop fasteners need to be used in combination with each other, the adjacent hoop fasteners can be connected together by using the cooperation of the protrusions and grooves. In this embodiment, the connection structure of adjacent hoop fasteners is set as a combination of protrusions and grooves. In other embodiments, it can also be set as a combination of hooks and grooves, or a chain structure, etc. The connection mechanism can be set according to the actual situation in specific use.

[0096] Steel cable fixing member:

[0097] As Figure 1 , Figure 2 and Figure 5 shown, the steel cable fixing member 3 includes a mounting base 36, a steel cable fixing member main body 35, a steel cable fixing hook 31, a protrusion 32, and a self-locking column 34; the mounting base 36 is fixedly connected to the first hoop fastener 1, the steel cable fixing member main body 35 is arranged inside the mounting base 36, a plurality of self-locking columns 34 are evenly arranged on the outside of the steel cable fixing member main body 35, a steel cable fixing hook 31 is connected to the outer end of each self-locking column 34, an installation groove 37 for accommodating the steel cable fixing member main body 35 is opened inside the mounting base 36, a plurality of locking grooves 33 are evenly opened on the periphery of the top of the side wall of the mounting base 36, the locking groove 33 is an L-shaped notch, the locking groove 33 includes a vertical notch and a horizontal notch, and the self-locking column 34 can move in the vertical notch and lock in the horizontal notch; the steel cable 5 sequentially passes through the steel cable fixing holes of the second hoop fastener 2 and the first hoop fastener 1 and the reserved hole 41 of the variable clip 4, and then is hung on the steel cable fixing hook 31 of the steel cable fixing member 3 by means of a sleeve ring or knotting on the steel cable 5.

[0098] The mounting base 36 is provided with the installation groove 37, this structure provides a limiting function for the steel cable fixing member 3, and according to different hoop fastener sizes, the height of the installation groove 37 can be set during processing. The locking groove 33 is arranged on the installation groove 37, and the grooving depth of the locking groove 33 can be adjusted during processing according to the hoop fastener size to change the tightening degree of the hoop fastener. The installation groove 37 is a cylindrical hollow structure inside the mounting base 36, and the steel cable fixing member main body 35 is a cylindrical structure matching the installation groove 37; the self-locking column 34 is integrally arranged with the steel cable fixing member main body 35, and the steel cable fixing member main body 35 and the self-locking column 34 realize up and down movement and installation and disassembly in the installation groove 37 through cooperation with the locking groove 33.

[0099] The shape of the self-locking column 34 is cylindrical, cubic, cuboid, triangular prism or any column shape; preferably a cylindrical structure. The vertical notch depth and horizontal notch width of the locking groove 33 are both set to match the size and position of the self-locking column 34.

[0100] When the self-locking column 34 enters the horizontal notch of the locking groove 33, the main body 35 of the steel cable fixing member can rotate within the installation groove 37 of the mounting seat 36; the rotation direction and the maximum rotation displacement are respectively defined by the opening direction of the horizontal notch and the length of the horizontal slot. In actual work, the movable direction and rotation amplitude of the rotation depend on the opening direction of the horizontal notch of the L-shaped notch, the length of the horizontal slot, and the real-time position of the self-locking column 34 within the horizontal notch.

[0101] The upper surface of the main body 35 of the steel cable fixing member is provided with a protrusion 32, and the protrusion 32 is used to realize the lifting, lowering and rotating operations of the steel cable fixing member 3 by applying an external force. In this embodiment, the protrusion 32 is a nut column structure, which is fixed or integrally provided with the main body 35 of the steel cable fixing member. When applying an external force, auxiliary tools such as a wrench can be used to apply the external force. Applying an external force by means of the protrusion 32 can drive the rotation, lifting, etc. of the main body 35 of the steel cable fixing member, realizing limited displacement and installation and disassembly.

[0102] The steel cable fixing hook 31 is used to connect the steel cable 5 and the steel cable fixing member 3, and the orientation of the steel cable fixing hook 31 is consistent with the extending direction of the opening of the horizontal notch, so as to achieve the locking purpose. The extending direction of the opening of the horizontal notch refers to the stroke direction of the horizontal part in the writing of the letter "L".

[0103] Variable clip:

[0104] In a specific embodiment, as Figure 6 shown, the variable clip 4 is made of an elastic material, and the overall shape of the variable clip 4 is set to be wavy, which has a plurality of protrusions. The setting of the variable clip 4 can adjust the gap size between the first hoop 1 and the second hoop 2 as needed, achieving the purpose of adjusting the gap between the two hoops as needed and making the installation more convenient. A reserved hole 41 for the steel cable 5 to pass through is provided on the variable clip 4. When the steel cable 5 is fixed, it passes through the steel cable fixing hole of the second hoop 2, the reserved hole 41 of the variable clip 4, and the steel cable fixing hole of the first hoop 1 in sequence.

[0105] On the one hand, the elastic restoring force of the variable clip 4 also provides the power required for tightening the steel wire rope, further ensuring the stability and reliability of the hoop effect. On the other hand, the addition of the variable clip 4 also enables the hoop to have strong environmental and temperature adaptability, effectively offsetting the potential damage to the cable caused by the thermal expansion and contraction of the hoop.

[0106] Multiple groups of hoops are connected in series:

[0107] In specific applications, the sizes of the protrusions and grooves at both ends of the hoop are matched with each other. The mutually cooperating protrusions and grooves can be used to combine multiple adjacent hoops together, so as to meet the requirements of different working environments. By combining the protrusions and grooves, multiple hoops are connected together, realizing the rapid combination and disassembly between multiple hoops, and can be set according to needs.

[0108] When multiple fixing hoops with the same or different longitudinal sections can be connected in series with each other, adjacent fixing hoops are connected together by means of a first protrusion-groove assembly, a second protrusion-groove assembly, and a third protrusion-groove assembly. In a specific embodiment of the present invention, according to specific needs, multiple groups of fixing hoops with different numbers and shapes are supported to work in series. The hoops used for series connection can be either straight or bent, that is, the cross-sectional line of the longitudinal section of the hoop is straight or curved.

[0109] The bent hoops can be customized at different angles according to actual needs. The series connection of straight hoops and bent hoops can realize the fixing of the cable and the change and combing of the advancing direction, prevent the internal cable or optical cable from being bent, and can also be installed according to the actual construction situation, so as to adapt to a variety of application scenarios.

[0110] When it is necessary to fix the cable and sort out the laying direction at a 90-degree angle, a pair of straight hoops and a curved hoop with a right-angled arc longitudinal section can be connected in series, so that while realizing the 90-degree angle fixing and sorting of the cable, the protection of the cable can also be realized. It can ensure that the cable will not cause the local resistance of the cable to increase due to a sudden large angle turn, resulting in heat generation and combustion; it can also ensure that the optical cable will not have the phenomenon of fiber breakage or sudden increase in fiber bending loss due to a sudden turn.

[0111] The following further describes the structure of the present invention in combination with specific applications:

[0112] In use, the cable clamp can be used to install optical cables and wires. The specific operation steps are as follows: First, place the wire to be fixed on the second cable clamp 2. The wire can be placed along the pre-designed wire groove. Then, place the first cable clamp 1 on the second cable clamp 2, and place the variable clip 4 in the middle of the upper and lower parts, and ensure that the reserved hole 41 of the variable clip 4 and the cable fixing holes of the two parts are concentric. Pass the cable 5 through the symmetric cable fixing holes on both sides of the cable clamp from the bottom, and then methods such as tying knots can be used to prevent the cable 5 from slipping out of the holes. Then connect the cable 5 to the cable fixing hook 31 of the cable fixing member 3. After the four cable fixing hooks 31 fix the cable 5, rotate the main body 35 of the cable fixing member. When the two parts of the cable clamp are pressed tightly, insert the cable fixing member 3 into the installation groove 37 of the first cable clamp 1 and insert it downward along the locking groove 33. When the cable fixing member 3 is inserted to the bottom, loosen the cable fixing member 3, and the self-tension of the cable 5 will screw the cable fixing member 3 into the groove of the locking groove 33 to complete the fixation of the cable clamp.

[0113] Another aspect of the present invention also provides a method for installing a cable clamp.

[0114] S1. Determine the length of the cable according to the size of the cable clamp and the thickness of the cable, which specifically includes the following sub-steps:

[0115] S11. Measure the inner radius R1 and wall thickness m of the arc-shaped body of the first cable clamp and the second cable clamp.

[0116] S12. Measure the height h1 of the variable clip when it is horizontally placed in the natural relaxation state.

[0117] S13. Measure the vertical groove depth h2 of the L-shaped notch and the shortest distance h3 from the top of the mounting seat to the arc-shaped body.

[0118] S14. Measure the size of the distance q from the center of the hole on the first side and the second side of the first cable clamp and the second cable clamp to the nearest part of the arc-shaped body.

[0119] S15. Gather the wires to be fixed together and arrange them in a circular pattern. Measure the diameter R2 of this circle and make corresponding judgments and disposals according to the following conditions:

[0120] If R2 < R1, it is necessary to select a cable clamp kit with a smaller R1 to fix the cable. The selection standard is 0.8R2 ≤ R1 ≤ R2. After selecting the appropriate cable clamp, install it according to S1.6 and the following steps;

[0121] Or pre-wrap the place where the cable is to be fixed with waterproof, insulating, and weather-resistant materials so that the outer diameter of the circular arrangement of the cable satisfies R2 ≥ R1. At this time, the existing cable clamp can be used to fix it, and the method for determining the length of the cable is as in S1.6.

[0122] S16. The length L of the steel cable is selected within the range determined by the following formula:

[0123]

[0124] The length of the steel cable determined by the above formula can ensure that even under the extreme condition of not using the variable clamp, the steel cable fixing hook can be placed out of the installation groove of the mounting seat. Even if the steel cable fixing hook disengages from the horizontal notch, the length of the steel cable will still limit it inside the vertical notch.

[0125] S2. Place the second hoop under the cable, let the cable pass through along the direction of the wire groove, then place the first hoop on the second hoop, and place the variable clamp between the first hoop and the second hoop.

[0126] S3. Pass the steel cable through the corresponding steel cable fixing holes of the second hoop, the reserved holes of the variable clamp, and the steel cable fixing holes of the first hoop in sequence from the bottom.

[0127] S4. Insert the main body of the steel cable fixing part into the installation groove, squeeze the first hoop and the second hoop to make the variable clamp in a deformed energy storage state, and then connect the steel cable to the corresponding steel cable fixing hooks through the sleeve links in sequence; in a specific embodiment, the sleeve link is a rope loop with a double end.

[0128] S5. When all the steel cable fixing hooks are connected to the steel cable, press the steel cable fixing part tightly through the operation of the protrusion and insert it to the bottom of the installation groove and rotate it to the bottom of the horizontal notch along the opening direction of the L-shaped notch.

[0129] S6. At this time, release the extrusion force of the first hoop and the second hoop, and the stored potential energy of the variable clamp will be released until the steel cable is tightened and no longer deforms. With the restoring force of the variable clamp and the restraint of the steel cable, the stable clamping of the cable will be achieved.

[0130] S7. Fix the hoop to an external support such as a wall or a telegraph pole through the external fixing holes to achieve the fixation of the cable and the hoop.

[0131] S8. When using the combined hoop to fix the cable, the step of combining the hoops needs to be added on the basis of step S1. Combine the first hoops and the second hoops of two adjacent hoops in multiple groups of hoops to be combined using the first protrusion and the first groove, the second protrusion and the second groove, and the third protrusion and the third groove respectively to obtain the first pair of hoop combined bodies and the second pair of hoop combined bodies.

[0132] Then, the first and second hoops among the operating objects in S2 - S7 are respectively replaced with the first hoop assembly pair and the second hoop assembly pair, and then the above steps S2 - S7 are repeated to complete the corresponding operations. Meanwhile, the operations on the cable fixing parts, cables, and variable clips among the operating objects in S2 - S7 remain unchanged, and the corresponding operations on all the variable clips, cables, and variable clips in the assembly are completed in sequence. Thus, the use of the combined hoop realizes the fixing of the cable and the combing of the laying direction.

[0133] Compared with the prior art, the structure of the present invention actively responds to the market demand, meets the industry expectations, well solves the universality and balance of the reliability, adaptability, versatility, and convenience of the hoop, and endows the hoop with the prominent advantages of functional diversity and combined expandability.

[0134] The embodiments described above are only for describing the preferred embodiments of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solution of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A quick-installation type cable fixing clamp, characterized in that: It includes a first hoop, a second hoop, a steel cable fixing member, a steel cable and variable clamping pieces. The first hoop and the second hoop are connected to each other to form a hollow cylindrical structure. The variable clamping pieces are arranged at the connection of the first hoop and the second hoop. A plurality of uniformly distributed wire grooves are arranged inside both the first hoop and the second hoop. The first hoop and the second hoop each include an arc-shaped body, a first side portion and a second side portion. A plurality of steel cable fixing holes are uniformly formed in the first side portion and the second side portion of the first hoop and the second hoop respectively. An arc-shaped lug extending outward is arranged at the middle position of the first side portion or the second side portion of the first hoop, and an external fixing hole is arranged on the arc-shaped lug; A steel cable fixing member is arranged on the arc-shaped body of the first hoop. The steel cable fixing member includes a mounting seat, a steel cable fixing member body, a protruding portion, a steel cable fixing hook and a self-locking column. The mounting seat is fixedly connected to the middle position outside the arc-shaped body of the first hoop. The steel cable fixing member body is arranged in a mounting groove inside the mounting seat. A plurality of self-locking columns extending outside the steel cable fixing member body are uniformly arranged around the bottom of the steel cable fixing member body. A steel cable fixing hook is connected to the outer end of each self-locking column. A plurality of locking grooves are uniformly formed around the top of the side wall of the mounting seat. The locking grooves are L-shaped grooves with a narrow upper part and a wide lower part. The locking grooves include a vertical groove and a horizontal groove. The self-locking column can move in the vertical groove and be locked in the horizontal groove. The locking grooves communicate with the mounting groove; The mounting groove is a cylindrical hollow structure inside the mounting seat. The steel cable fixing member body is a cylindrical structure matching the mounting groove. The self-locking column is integrally arranged with the steel cable fixing member body. The steel cable fixing member body and the self-locking column realize up and down movement and installation and disassembly in the mounting groove through cooperation with the locking grooves; When the self-locking column enters the horizontal groove of the locking groove, the steel cable fixing member body can rotate in the mounting groove of the mounting seat. The rotation direction and the maximum rotation displacement are respectively defined by the opening direction of the horizontal groove and the length of the horizontal groove; Pass the steel cable through the corresponding steel cable fixing holes of the second hoop, the reserved holes of the variable clamping pieces and the steel cable fixing holes of the first hoop in sequence from the bottom. Insert the steel cable fixing member body into the mounting groove, squeeze the first hoop and the second hoop to make the variable clamping pieces in a deformed energy storage state, and then connect the steel cable to the corresponding steel cable fixing hooks through the sleeve joints in sequence.

2. The quick-installation type cable fixing hoop according to claim 1, characterized in that: The arc radii and arc angles of the arc-shaped bodies of the first hoop and the second hoop are the same. The side wall of the arc-shaped body is arc-shaped, and the angle of the arc is less than or equal to 180 degrees; The arc-shaped body includes an outer surface of the arc-shaped body, an inner surface of the arc-shaped body, a first end surface of the arc-shaped body and a second end surface of the arc-shaped body; The lengths of the arc-shaped body, the first side portion, and the second side portion are equal. The outer portions of the two longitudinal section cutouts of the arc-shaped body are respectively fixedly connected or integrally formed with the first side portion and the second side portion. The first side portion and the second side portion are located in the same plane, and this plane is parallel to the top section plane of the outer surface of the arc-shaped body. Both the first side portion and the second side portion include a first side end face and a second side end face. The first side end faces of the first side portion and the second side portion are respectively located on both sides of the first end face of the arc-shaped body and are in the same plane as the first end face of the arc-shaped body. The second side end faces of the first side portion and the second side portion are respectively located on both sides of the second end face of the arc-shaped body and are in the same plane as the second end face of the arc-shaped body.

3. The quick-installation cable fixing clamp according to claim 1, characterized in that: The arc-shaped bodies of the first clamp and the second clamp are both provided with a first convex-groove assembly. The first side portions of the first clamp and the second clamp are both provided with a second convex-groove assembly. The second side portions of the first clamp and the second clamp are both provided with a third convex-groove assembly. The first convex-groove assembly includes a first convex on the first end face of the arc-shaped body and a first groove on the second end face of the arc-shaped body. The second convex-groove assembly includes a second convex on the first side end face of the first side portion and a second groove on the second side end face of the first side portion. The third convex-groove assembly includes a third convex on the first side end face of the second side portion and a third groove on the second side end face of the second side portion. The shapes, quantities, and installation positions of the first convex and the first groove, the second convex and the second groove, and the third convex and the third groove respectively match each other.

4. The quick-installable cable fixing clamp according to claim 3, wherein: More than one set of the first convex-groove assembly, the second convex-groove assembly, and the third convex-groove assembly are provided. The shapes and quantities of the first convex-groove assembly, the second convex-groove assembly, and the third convex-groove assembly are the same or different.

5. The quick-installation cable fixing clamp according to claim 1, wherein: The shape of the self-locking column is cylindrical, cubic, cuboid, or triangular prism-shaped. The vertical groove depth and the horizontal groove width of the locking groove are both matched with the size and position of the self-locking column.

6. The quick-installation cable fixing clamp according to claim 1, characterized in that: The protrusion portion is used to perform lifting, lowering, and rotating operations on the steel cable fixing member by applying an external force. The steel cable fixing hook is used to connect the steel cable and the steel cable fixing member. The orientation of the steel cable fixing hook is consistent with the extending direction of the opening of the horizontal groove. Sleeve joints are provided at both ends of the steel cable.

7. The quick-installation cable fixing clamp according to claim 1, wherein: The cross-section of the variable clip is wavy, and the material of the variable clip is an elastic material. The wire groove is a strip-shaped wire groove on the inner surface of the arc-shaped body.

8. The quick-installable cable fixing clamp according to claim 1, characterized in that: The longitudinal sections of the first clamp and the second clamp are straight lines, broken lines, or curves.

9. The quick-installation type cable fixing clamp according to claim 3, wherein: Multiple fixing clamps with the same or different longitudinal sections can be connected in series with each other. Adjacent fixing clamps are connected together by means of the first convex-groove assembly, the second convex-groove assembly, and the third convex-groove assembly.

10. A method for fixing a cable by using the quick-installable cable fixing hoop described in claim 3, characterized in that, The specific steps are as follows: S1. Determine the length of the steel cable according to the size of the clamp and the thickness of the cable, which specifically includes the following sub-steps: S11. Measure the inner radius of the arcs of the first and second hoop-shaped bodies and the wall thickness and the wall thickness ; S12. Measure the height of the variable clamping piece when it is horizontally placed in the natural relaxation state. ; S13. Measure the vertical groove depth of the L-shaped notch and the shortest distance from the top of the mounting base to the arc-shaped body ; S14. Measure the distances from the centers of the cable fixing holes on the first side and the second side of the first hoop and the second hoop to the nearest positions to the arc-shaped body respectively. ; S15. Arrange the cables to be fixed in a circular pattern and place them together, then measure the diameter of this circle , and make corresponding judgments and processing according to the following conditions: If , it is necessary to select a smaller hose clamp kit to fix the cable, and the selection criteria are . After selecting the appropriate hose clamp, install it according to step S16 and the following steps; Or pre-wrap the waterproof, insulating, and weather-resistant materials at the places where the cable needs to be fixed so that the outer diameter of the circular arrangement of the cable meets , then continue to use the existing hoop to fix it, and the determination method of the steel cable length is as shown in S16: S16. The length L of the steel cable is selected within the range determined by the following formula: ； S2. Place the second clamp below the cable, let the cable pass through along the direction of the wire trough, then place the first clamp on the second clamp, and place the variable clip between the first clamp and the second clamp; S3. Pass the steel cable through the corresponding steel cable fixing holes of the second clamp, the reserved holes of the variable clip, and the steel cable fixing holes of the first clamp in sequence from the bottom; S4. Insert the main body of the steel cable fixing piece into the installation groove, squeeze the first clamp and the second clamp to make the variable clip in a deformed energy storage state, and then connect the steel cable to the corresponding steel cable fixing hooks through the sleeve link in sequence; S5. When all the steel cable fixing hooks are connected to the steel cable, press the steel cable fixing piece tightly into the bottom of the installation groove by operating the protrusion and rotate it to the bottom of the horizontal notch along the opening direction of the L-shaped notch; S6. At this time, release the extrusion force on the first clamp and the second clamp, and the potential energy stored in the variable clip is released simultaneously until the steel cable is tightened and no longer deforms, and the cable is fixed by means of the restoring force of the variable clip and the restraint of the steel cable; S7. Fix the clamp to the external support through the external fixing hole to fix the cable and the clamp; S8. When using the combined clamp to fix the cable, it is necessary to add the step of combining the clamps on the basis of step S1. Combine the first clamps and the second clamps of two adjacent clamps in multiple groups of clamps to be combined using the first protrusion and the first groove, the second protrusion and the second groove, and the third protrusion and the third groove respectively to obtain the first pair of clamp combination bodies and the second pair of clamp combination bodies. Then replace the first clamp and the second clamp, the operation objects in S2 - S7, with the first pair of clamp combination bodies and the second pair of clamp combination bodies respectively, and keep the other operation objects, the steel cable fixing piece, the steel cable and the variable clip unchanged. Then repeat the above steps S2 - S7 to complete the corresponding operations; realize the fixing of the cable and the sorting work of the laying direction by using the combined clamp.

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