High-strength cable and manufacturing method

Abstract

The invention relates to the technical field of cable manufacturing, in particular to a high-strength cable and a manufacturing method. A sheath of a cable is usually made of soft materials such as rubber, and the materials are easy to wear, age and even damage after being extruded and rubbed by a fastening structure for a long time. Therefore, the service life of the cable is influenced, and the conductors in the cable are possibly damaged, so that electrical faults or safety accidents are caused. The outer armor of the cable is formed through cooperation of the two half armor bodies, and the strength of the cable is enhanced. The semi-armored cable is used for replacing the contact between the cable and the connecting piece, thereby preventing the cable sheath from being damaged. The cable manufacturing device is used for adjusting the installation of the cable and the auxiliary semi-armor, and the manufacturing efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of cable manufacturing, and more particularly to a high-strength cable and a manufacturing method thereof. Background Art

[0002] Traditional cable layout construction methods mainly include underground burial and side-by-side suspension through brackets. Although the underground burial method can effectively protect the cables from direct interference from the external environment, in some application scenarios, such as urban streets and industrial parks, due to the complexity of underground pipelines, difficulty in construction and inconvenience in maintenance, the side-by-side suspension method through brackets has gradually become an important choice for cable layout.

[0003] In conventional solutions for suspending cables on brackets, a fastening structure is generally used to directly fix the cable on the bracket. This fixing method mainly relies on the friction or locking force generated between the fastening structure and the cable to achieve stable suspension of the cable. However, in practical applications, this fixing method has many shortcomings.

[0004] First, the outer sheath of the cable is usually made of soft materials such as rubber, which is prone to wear, aging, or even damage after being squeezed and rubbed by the fastening structure for a long time. This will not only affect the service life of the cable, but may also damage the conductor inside the cable, causing electrical failures or safety accidents.

[0005] Secondly, due to differences in cable diameter, weight, and hanging environment, traditional fastening structures often have difficulty in effectively fixing cables of different specifications. In actual operation, it is often necessary to customize or adjust the fastening structure according to the specific specifications of the cable, which not only increases the construction difficulty and cost, but also reduces the construction efficiency. Summary of the invention

[0006] The invention provides a high-strength cable and a manufacturing method, aiming to improve the strength of the cable when it is suspended and to increase the service life.

[0007] The above purpose is achieved through the following technical solutions:

[0008] A high-strength cable comprises a cable body and a half armor, wherein the half armor comprises a sheath armor, the sheath armor has two horizontal end faces, a convex portion is formed on one end face of the sheath armor, a slot is formed on the other end face of the sheath armor, and edge ring grooves are arranged on both the front and rear sides of the outer peripheral surface of the sheath armor; two half armors are arranged one above and one below, the convex portion of one sheath armor is inserted into the slot of the other sheath armor, the two sheath armors are connected end to end to wrap around the cable body, a hoop is arranged in each edge ring groove, and the hoops corresponding to the upper and lower positions are fixed by bolt and nut assemblies to clamp on the two half armors.

[0009] A method for manufacturing a high-strength cable comprises the following steps:

[0010] Step 1: When the cable body is horizontal, two half armors are wrapped on the cable body to form a high-strength cable;

[0011] Step 2: Arrange the high-strength cable vertically and clamp the metal parts on the center ring groove;

[0012] Step 3: The metal parts are fixed to the supporting structure so that the high-strength cable is vertically fixed to the supporting structure.

[0013] A high-strength cable manufacturing device comprises a lifting assembly, wherein the lifting assembly comprises a linear drive mechanism, and a left support seat and a right support seat whose spacing is adjusted by the linear drive mechanism; two lifting assemblies are arranged one in front and one in the back.

[0014] The beneficial effects of the high-strength cable and the manufacturing method of the present invention are:

[0015] The cable outer armor is formed by the cooperation of two half armors to enhance the strength of the cable. The half armor is used to replace the cable to contact the connector to avoid damaging the cable outer skin. The cable manufacturing device is used to adjust the cable and assist the installation of the half armor to improve the manufacturing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A front view of a device for making a high-strength cable;

[0017] Figure 2 A side view of an apparatus for making high-strength cables;

[0018] Figure 3 It is a structural schematic diagram of a left support seat and a right support seat;

[0019] Figure 4 It is a structural schematic diagram of a high-strength cable;

[0020] Figure 5 It is a schematic diagram of fixing two half armors;

[0021] Figure 6 This is a schematic diagram of the structure of the half armor;

[0022] Figure 7 It is a structural schematic diagram of a support frame, an electric telescopic cylinder, a first base, a first reset rod, a second base, a third base, a pressing piece, a fourth base and a second reset rod;

[0023] Figure 8 for Figure 7 A partial enlarged schematic diagram is shown in the figure.

[0024] In the figure: cable body 1; armor 201; convex part 202; slot 203; edge ring groove 204; center ring groove 205; hoop 206; bolt and nut assembly 207; guide rail 301; screw 302; left support 303; right support 304; first motor 305; roller 306; support frame 401; electric telescopic cylinder 402; first base 403; first reset rod 404; second base 405; third base 501; pressure piece 502; fourth base 601; second reset rod 602. DETAILED DESCRIPTION

[0025] A high-strength cable, comprising a cable body 1 and a half armor, Figure 6 The half armor includes a sheath armor 201, which is a semicircular wall. The upper end surface of the sheath armor 201 has two horizontal end surfaces, a convex portion 202 is integrally formed on the horizontal end surface on the left side of the sheath armor 201, a slot 203 is formed on the other end surface of the sheath armor 201, and edge ring grooves 204 are provided on both the front and rear sides of the outer peripheral surface of the sheath armor 201.

[0026] To further illustrate, the half armors are evenly distributed around the circumference, with two being arranged one above and one below. The protrusion 202 of the lower armor 201 is inserted into the slot 203 of the upper armor 201, and the two armors 201 are connected end to end to form a complete annular wall body, which is wrapped around the cable body 1.

[0027] Preferably, the armor 201 and the cable body 1 are fixed by adhesive.

[0028] A hoop 206 is arranged in each edge ring groove 204, and the hoop 206 corresponding to the upper and lower positions is fixed by a bolt and nut assembly 207 to be squeezed and clamped on the two half armors, thereby forming an outer armor of the cable body 1. The armor 201 is an outer layer of rubber with an inner layer of anti-corrosion metal material to replace the cable body 1 to bear the force.

[0029] Specifically: the armor 201 is provided with a central annular groove 205 between the two slots 203, the high-strength cable is arranged vertically, and a metal piece with a structure similar to a hoop 206 is clamped on the central annular groove 205 to complete the fixing of the metal piece and the high-strength cable;

[0030] To further illustrate, when the cable body 1 is horizontal, two half armors are covered on the cable body 1 to form a high-strength cable; during construction, the high-strength cables are distributed vertically, and the metal parts are fixed to the supporting structure. The supporting structure can be a metal bracket fixed to the ground, or a reinforced concrete column, so that the high-strength cable is vertically fixed on the supporting structure to complete the vertical arrangement.

[0031] The armor 201 is provided with a circular hole penetrating the protrusion 202 and the slot 203, and a columnar fixing piece filling the circular hole is inserted into the circular hole to ensure that the two armors 201 remain tightly held after the hoop 206 is loosened. This step should be performed after the hoop 206 is tightly held.

[0032] To facilitate the formation of high-strength cables, a high-strength cable manufacturing device is provided. Figures 1 to 3 , including a lifting assembly, the lifting assembly includes a linear drive mechanism, and a left support seat 303 and a right support seat 304 whose spacing is adjusted by the linear drive mechanism; two lifting assemblies are arranged one in front and one in the back.

[0033] There are two inclined surfaces on the upper end surface of the left support seat 303, one in front and one in back, and the two inclined surfaces are spaced apart. The upper end surface of the left support seat 303 gradually decreases from left to right, and the upper end surface of the right support seat 304 gradually increases from left to right. The right support seat 304 can be inserted into the interval of the left support seat 303 from right to left. When the distance between the left support seat 303 and the right support seat 304 increases, they are used to move to the left and right sides of the cable body 1 respectively. When the left support seat 303 and the right support seat 304 are close to each other, they are used to press against the bottom of the cable body 1. When they are closer, the cable body 1 can be lifted to change the height of the cable body 1.

[0034] To further illustrate, the right end of the right support seat 304 is fixedly connected to the first motor 305, and the left end of the output shaft of the first motor 305 is fixedly connected to a roller 306 that coincides with the axis of the output shaft, and the axis of the roller 306 extends in the left-right direction and is parallel to the upper end face of the right support seat 304. The outer peripheral surface of the roller 306 is fixedly connected to an anti-skid rubber, which protrudes from the upper end face of the right support seat 304. When the anti-skid rubber is pressed, the anti-skid rubber can shrink to coincide with the upper end face of the right support seat 304. Thus, the cable body 1 is driven forward and backward by the rotation of the roller 306 to straighten the unstretched cable body 1.

[0035] The linear drive mechanism includes a guide rail 301, the lower end of which is rotatably connected to a lead screw, the left and right sides of the lead screw 302 have opposite threads, the left support seat 303 and the right support seat 304 are respectively spirally driven on the left and right sides of the lead screw 302, the tops of the left support seat 303 and the right support seat 304 are slidably connected to the lower end of the guide rail 301, and the two lead screws 302 are synchronously driven through a pulley and belt assembly, one of the lead screws 302 is driven to rotate by a motor, and the output shaft of the motor and the lead screw 302 located at the rear side are synchronously driven through another pulley and belt assembly, the motor is fixedly connected to the upper end of one of the guide rails 301, and the right end of the guide rail 301 can be fixedly connected to an I-beam, and the I-beam is fixedly connected to the ground, which is not shown in the figure.

[0036] It also includes a support frame 401 located between the two linear drive mechanisms, and an electric telescopic cylinder 402 is fixedly connected to the upper end of the support frame 401. The movable end of the electric telescopic cylinder 402 is extended downward, and a first base 403 is fixedly connected to the bottom of the electric telescopic cylinder 402. Two first reset rods 404 are slidably connected to the first base 403. A first limit block is fixedly connected to the top of the first reset rod 404. The lower end of the first limit block contacts the upper end of the first base 403. The lower ends of the two first reset rods 404 are fixedly connected to the second base 405. A first compression spring is sleeved on the first reset rod 404. The first compression spring provides a downward force for the second base 405. A third base 501 is provided on the first base 403. The third base 501 is provided on the first base 403. A pressing piece 502 is fixed to each of the four corners of the lower end of the seat 501, and the four pressing pieces 502 pass through the second base 405 from top to bottom respectively. Four fourth bases 601 are fixed to the second base 405, and a second reset rod 602 is slidably connected to the fourth base 601. The upper end of the second reset rod 602 is fixed to a second limit block, and the lower end of the second limit block contacts the upper end surface of the fourth base 601. The lower end of the second reset rod 602 is fixed to the third base 501, and a second compression spring is sleeved on the second reset rod 602. The second compression spring provides force for the third base 501 to move downward.

[0037] When the cable body 1 is lifted by the left support 303 and the right support 304 which are close to each other, and the cable body 1 is straightened, a half armor with its opening facing upward and the middle of its inner end surface coated with adhesive is placed at the bottom of the cable body 1, so that the cable body 1 is lowered by the left support 303 and the right support 304 which are far away from each other and pressed in the half armor to evenly press the adhesive, and then the second half armor with its opening facing downward and the middle of its inner end surface coated with adhesive is attached to the upper part of the cable body 1. The electric telescopic cylinder 402 is extended to make the four pressing pieces 502 descend. Among the four pressing pieces 502, the two pressing pieces 502 on the left are respectively inserted into the left sides of the two edge ring grooves 204 on the upper half armor, and the two pressing pieces 502 on the right are respectively inserted into the right sides of the two edge ring grooves 204 on the upper half armor. The pressing pieces 502 on the left and right sides press down the upper half armor, providing a component force downward and in the radial direction of the axis of the cable body 1 to the upper half armor, so that the half armor is pressed downward and the left and right ends of the half armor are gathered toward the center to hold the cable body 1 tightly, and the upper convex part 202 is inserted into the lower slot 203, and the lower convex part is inserted into the upper slot 203. Lift the cable body 1, insert the hoop 206 into the bottom of the lower half armor and into the edge ring groove 204, lower the cable body 1, make the half armor press down the hoop 206, fix the lower hoop 206, then put the upper hoop 206 into the edge ring groove 204 of the upper half armor, and finally fix the hoops 206 on the upper and lower sides.

Claims

1. A high-strength cable, characterized in that: The invention comprises a cable body (1) and a half armor, wherein the half armor comprises an armor (201), the armor (201) having two horizontal end faces, one of the end faces of the armor (201) being formed with a convex portion (202), the other end face of the armor (201) being formed with a slot (203), and the outer peripheral surface of the armor (201) being provided with edge ring grooves (204) on both the front and rear sides; two half armors are provided one above the other, the convex portion (202) of one armor (201) being inserted into the slot (203) of the other armor (201), the two armors (201) being connected end to end to wrap around the cable body (1), a hoop (206) being provided in each edge ring groove (204), and the hoops (206) corresponding to the upper and lower positions being fixed by bolt and nut assemblies (207) to be clamped on the two half armors.

2. The high-strength cable according to claim 1, characterized in that: The armor (201) is provided with a central annular groove (205) located between the two slots (203).

3. The high-strength cable according to claim 1, characterized in that: The armor (201) is provided with a circular hole penetrating the convex portion (202) and the slot (203), and a fixing piece filling the circular hole is inserted into the circular hole.

4. The high-strength cable according to claim 3, characterized in that: The fixing piece is fixedly connected to the armor (201) by adhesive.

5. A method for manufacturing a high-strength cable, characterized in that: The following steps are involved: Step 1: When the cable body (1) is horizontal, two half armors are wrapped on the cable body (1) to form a high-strength cable; Step 2: Arrange the high-strength cable vertically and clamp the metal piece on the central ring groove (205); Step 3: The metal parts are fixed to the supporting structure so that the high-strength cable is vertically fixed to the supporting structure.

6. A high-strength cable manufacturing device, characterized in that: The lifting assembly comprises a linear drive mechanism, and a left support seat (303) and a right support seat (304) whose spacing is adjusted by the linear drive mechanism; two lifting assemblies are arranged one in front and one in the back.

7. The high-strength cable manufacturing device according to claim 6, characterized in that: The linear drive mechanism comprises a guide rail (301), the lower end of the guide rail (301) is rotatably connected with a lead screw, the left and right sides of the lead screw (302) have opposite screw threads, the left support seat (303) and the right support seat (304) are respectively screw-driven on the left and right sides of the lead screw (302), the tops of the left support seat (303) and the right support seat (304) are both slidably connected to the lower end of the guide rail (301), the two lead screws (302) are synchronously driven by a pulley belt assembly, and one of the lead screws (302) is driven by a motor to rotate.

8. The high-strength cable manufacturing device according to claim 7, characterized in that: The upper end surface of the left support seat (303) gradually decreases from left to right, and the upper end surface of the right support seat (304) gradually increases from left to right. The right support seat (304) can be inserted into the left support seat (303) from right to left. The right end of the right support seat (304) is fixedly connected to the first motor (305). The left end of the output shaft of the first motor (305) is fixedly connected to a roller (306) that coincides with the axis of the output shaft. The axis of the roller (306) extends in the left and right directions and is parallel to the upper end surface of the right support seat (304).

9. The high-strength cable manufacturing device according to claim 8, characterized in that: The outer peripheral surface of the roller (306) is fixedly connected with anti-skid rubber, which protrudes from the upper end surface of the right support seat (304). When the anti-skid rubber is pressed, the anti-skid rubber can shrink to overlap with the upper end surface of the right support seat (304).

10. The high-strength cable manufacturing device according to any one of claims 6 to 9, characterized in that: The invention also comprises a support frame (401), the upper end of the support frame (401) is fixedly connected to an electric telescopic cylinder (402), the lower end of the electric telescopic cylinder (402) is fixedly connected to a first base (403), two first reset rods (404) are slidably connected to the first base (403), the top of the first reset rod (404) is fixedly connected to a first limit block, the lower ends of the two first reset rods (404) are fixedly connected to the same second base (405), the first reset rod (404) is sleeved with a first compression spring, and the first base (403) is provided with a third base. The third base (501) is provided with a pressing piece (502) fixedly connected to each of the four corners of the lower end of the third base (501), and the four pressing pieces (502) respectively pass through the second base (405) from top to bottom, and the second base (405) is fixedly connected with four fourth bases (601), and the fourth base (601) is slidably connected with a second reset rod (602), and the upper end of the second reset rod (602) is fixedly connected with a second limiting block, and the lower end of the second reset rod (602) is fixedly connected to the third base (501), and the second reset rod (602) is sleeved with a second compression spring.

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