TW201833453A - Extrusion anchoring steel strand cable of high stress amplitude and its making method capable of preventing the steel strand from fatigue and fracture and ensuring the clamping effect on the steel strand - Google Patents

Abstract

The present invention discloses an extrusion anchoring steel strand cable of high stress amplitude and its making method. The cable includes an anchoring clamping section and a sealing anti-corrosion section. The anchoring clamping section includes an end cover, a toothed taper sleeve, an anchoring sleeve, and an auxiliary clamping section. The sealing anti-corrosion section includes a sealing cylinder, a sealing ring and a sealing cover. The auxiliary clamping section includes an auxiliary anchoring sleeve. The present invention makes use of adding the auxiliary anchoring sleeve between the anchoring sleeve and the sealing cylinder and filling a clamping material that provides the steel strand with an auxiliary function to prevent the steel strand from the risk of fatigue and fracture, and further makes use of a slotted connection structure of adjacent piercing holes to better transfer a deformation holding force of the anchoring sleeve during the pressing, so as to ensure the clamping effect on the steel strand.

Description

High stress extrusion anchor steel strand cable and preparation method thereof

The invention relates to a cable used in a large-scale construction project, in particular to a high-stress extruded steel strand cable, which is particularly suitable for an arch bridge boom of a heavy-duty railway line.

Cables have been widely used in the prestressing industry. At present, most of the bridges mainly use three forms: cold cast anchor, hot cast anchor and clip anchor cable. However, due to the three forms of cold cast anchor, hot cast anchor and clip anchor cable, the size of the anchor head is relatively large and the cost is large. Higher. Therefore, the squeeze cable has become a commonly used structure for arch bridge booms. At present, the heavy-duty railway line is busy and the traffic density is large. The train active load has frequent impact on the arch bridge boom on the railway line. The railway construction requires the fatigue performance of the boom to meet 300 MP stress requirements. In the prior art, the extruded anchor strand cable is 200 MPa, so the fatigue stress of the conventional extruded anchor strand cable needs to be increased by 1.5 times to ensure the safety of the railway arch bridge.

In the prior art, for example, Chinese patent CN2101210447B designs a steel strand whole bundle extrusion anchor cable, the cable includes a cable body and an anchor, the anchor is composed of an anchoring unit and a sealing unit, and the anchor sleeve is squeezed. The inner drill has a steel wire embedded hole, and the steel strand is placed in the hole and squeezed into the anchor sleeve. The main components of the sealing unit include a sealing cylinder, a sealing ring and an anti-corrosion material to achieve anchoring and anti-corrosion effects, due to the cable The limitation of structure, during the repeated loading cycle, the steel strand and the anchoring unit have stress concentration, and the highest degree can only achieve 250 MPa stress; Chinese patent CN102587279B designs a steel stranded cable, which includes the cable body and anchor Firmware, the anchor includes an anchoring unit and a sealing unit. The anchoring unit comprises an end cover, a taper sleeve, an anchor plate, an anchor cup and a restraining ring, and the outer side of the taper sleeve is a smooth surface, and the frictional force on the steel strand is limited, and the steel wire is twisted The anchor cup is positioned by a tapered anchor hole and is cured by an epoxy filler. The same number of cables have an outer dimension of at least 30% larger than that of the extruded anchor cable, and are not suitable for arch bridge hangers; China CN102926507B designs an integral extruded steel strand anchor cable and a manufacturing method thereof, the preparation method comprises the following steps: Step A: processing each component and steel strand finished cable; step B: assembling; step C: wearing steel strand Line, clamping piece; step D: extrusion; step E: installing anti-loose plug; step F: sealing, filling; the cable product prepared by the method has less stress due to the limitation of the cable structure and Its steel strand is prone to fatigue fracture.

In view of the above problems, the present invention provides a high stress degree extruded anchor steel cable, which aims to change the stress state of the steel strand in the anchoring section and avoid the risk of fatigue fracture of the steel strand between the anchoring section and the sealing section. Improve the clamping and clamping slip resistance of the steel strand and improve the fatigue performance of the cable.

The present invention adopts the following technical solutions to achieve the above objectives:

A high-stress extruded anchor steel cable, comprising a steel stranded cable body and anchors at both ends thereof, the steel strand finished cable body comprises a steel wire polyethylene (Polyethylene, PE) cable body (10) and The PE steel strands (13) are stripped at both ends; the anchor includes: an anchor clamping section (101), a sealing anti-corrosion section (103), and an anchor clamping section (101) including an end cover (1) and an anchor sleeve (3) An auxiliary clamping section (102); the corrosion protection section (103) comprises a sealing cylinder (6), a sealing ring (8), a sealing cover (9); the auxiliary clamping section (102) comprises an auxiliary anchoring sleeve (4); anchoring One end of the sleeve (3) is respectively connected to one end of the end cover (1) and the auxiliary anchor sleeve (4) by a spiral connection, and the other end of the auxiliary anchor sleeve (4) is connected to one end of the sealing cylinder (6) by a spiral connection. The other end of the sealing cylinder (6) is connected to the sealing cover (9) by a spiral connection; the sealing cylinder (6) is provided with a sealing ring (8) near the end of the sealing cover (9), and the sealing ring (8) is a steel strand a gap seal between the wire PE body (10) and the sealing cylinder (6); an air enclosed inside the sealing cylinder (6) Filled with anti-corrosion material (7); the inner cavity enclosed by the auxiliary anchor sleeve (4) is filled with epoxy-based filler (5); the anchor sleeve (3) is drilled with a number of piercing holes equal to the number of extruded steel strands ( 11) At least one set of adjacent through holes (11) is a slotted communication structure, and the groove directions of all the slotted communication structures are parallel to each other.

According to a further technical solution of the present invention, the auxiliary anchor sleeve (4) has an inner cone shape.

According to a further technical solution of the present invention, the through-hole (11) is provided with a toothed taper sleeve (2) near the end cover side, and the steel strand (13) passing through the toothed taper sleeve (2) is treated as a center wire through the pier head. Steel strands.

According to a further technical solution of the present invention, the sealing ring (8) is an outer tapered structure.

According to a further technical solution of the invention, the through-hole (11) comprises at least one threaded structure (12).

According to a further technical solution of the present invention, the anticorrosive material (7) is a mixed material of one or more of an epoxy mortar, a grease, and an anticorrosive polyurethane.

The invention also provides a preparation method of a high stress degree extruded anchor steel cable, which is prepared before the cable is prepared, and the specific components include: steel strand PE cable body (10) and stripping at both ends thereof In addition to PE steel strand (13), end cap (1), toothed sleeve (2), anchor sleeve (3), auxiliary anchor sleeve (4), sealing cylinder (6), sealing ring (8), sealing cover (9); the anchor sleeve (3) is drilled with the same number of holes as the extruded steel wire (11), and at least one set of adjacent through holes (11) is a slotted communication structure (14), The slotting direction of all the slotted connecting structures (14) is parallel to each other; the auxiliary anchoring sleeve (4) is an inner cone shape; the sealing ring (8) is an outer tapered structure; the steps of the preparation method include:

a. Steel strand cleaning, strip PE at both ends of steel stranded wire rope body (10), and smash each steel strand (13) after cleaning;

b. The surface of the strand is subjected to a toothing;

c. Threading, by the threaded equipment, the end cover (1), the anchor sleeve (3), the auxiliary anchor sleeve (4), the sealing cylinder (6), and the sealing cover (9) are processed corresponding to internal or external threads. ;

d, steel strand installation, each steel strand (13) is inserted into the corresponding through hole (11) of the anchor sleeve (3), the steel strand (13) exposed anchor sleeve (3) 60 ~ 200 mm, will The toothed taper sleeve (2) penetrates the center wire of the steel strand, and the wire rolling processing is performed on the center wire of the stranded wire, and the exposed steel strand (13) is flattened to the anchor by the pressing tool device. Set (3) end face;

e, extrusion, using the extrusion equipment and tool equipment to integrally clamp the entire bundle of steel strands in the anchor sleeve (3);

f. Auxiliary clamping section anchoring, screwing the auxiliary anchoring sleeve (4) and the anchoring sleeve (3), and filling the epoxy filling material (5) with the inner cavity of the auxiliary anchoring sleeve (4) to form an anchor clamping section ( 101), placing the anchor clamping section (101) in a high temperature curing oven for constant temperature curing;

g, the cable pre-tensioning, loading and holding the load of 60% of the nominal force of the cable for 10 to 60 minutes;

h. Sealing, screwing the sealing cylinder (6) and the auxiliary anchoring sleeve (4), mounting the sealing ring (8) and the sealing cover (9) to the sealing cylinder (6), and finally passing the grouting equipment to the sealing cylinder ( 6) Inject the anti-corrosion sealing material (7), and then hang the anchor cable for vertical position for 8 to 14 hours.

The beneficial effects of the invention are:

1. The invention has a slotted communication structure of adjacent through-holes (11), so that the deformation clamping force transmission of the anchor sleeve is better when squeezed, and the clamping effect on the steel strand can be ensured;

2. The present invention increases the anchoring clip of the steel strand between the anchoring section and the sealing section by adding an auxiliary anchoring sleeve (4) between the anchoring sleeve (3) and the sealing cylinder (6) and filling the anticorrosive material (7). The performance of waterproofing and anti-corrosion avoids the risk of fatigue fracture of the steel strand between the anchoring section and the sealing section;

3. The invention further improves the clamping and clamping slip resistance of the steel strand by penetrating the center steel wire of the steel strand (13) into the toothed taper sleeve (2) and performing the pier head treatment, and the outer teeth can be enhanced. Friction of steel strands;

4. The present invention realizes the pressure-proof deformation sealing function of the sealing ring (8) by setting the sealing ring (8) as an outer tapered structure by the screwing and pressing principle of the sealing cover (9), thereby preventing Rainwater flows from the gap between the cable body and the sealing cover;

5. The invention greatly improves the clamping force of the anchoring section by adopting a tapping tooth structure in the piercing hole (11);

6. The present invention forms a wedge-shaped clamping force by placing the entire anchoring clamping section in a high-temperature curing oven for constant temperature curing;

7. The present invention makes the steel strands have uniform force by the pre-tensioning stage, eliminates the gap between the cables, and stabilizes the elastic modulus of the cable.

The invention will now be described with reference to Figures 1 to 8 and Examples 1-3:

Example 1:

A high-stress extruded anchor steel cable, comprising a steel stranded cable body and anchors at both ends thereof, the steel strand finished cable body comprises a steel wire polyethylene (Polyethylene, PE) cable body (10) and The PE steel strands (13) are stripped at both ends thereof; the anchors include: an anchor clamping section (101), an auxiliary clamping section (102), a sealing anti-corrosion section (103), and an anchor clamping section (101) including an end cover (1), toothed taper sleeve (2), anchor sleeve (3), auxiliary clamping section (102); sealing anticorrosion section (103) including sealing cylinder (6), sealing ring (8), sealing cover (9) The auxiliary clamping section (102) includes an auxiliary anchoring sleeve (4). The anchor sleeve (3) is drilled with seven through holes (11) equal in number to the extruded steel strands, and the through holes (11) are machined with threaded teeth at one end of each through hole (11). Forming a section of the threaded structure (12), and the adjacent through-holes (11) in the same vertical direction are slotted communication structures (14), and each steel strand is threaded into the corresponding hole when the cable is made, The anchoring sleeve is pressed by the pressing tool device to realize integral pressing and clamping of the steel strand; the auxiliary anchoring sleeve (4) is in the shape of an inner cone, and the anchoring sleeve (3) is realized by filling the epoxy iron sand The wedge-shaped clamping and waterproof anti-corrosion effect of the steel strand between the sealing cylinders (6); the sealing ring (8) is a gap seal between the steel strand PE cable body (10) and the sealing cylinder (6), and its structural design For the outer tapered structure, the rubber material is used to achieve the seal by the principle of extrusion deformation.

The steps of the preparation method are as follows: preparing the above components;

a. Steel strand cleaning, strip PE at both ends of steel stranded wire rope body (10), and smash each steel strand (13) after cleaning;

b. The surface of the strand is subjected to a toothing;

c. Threading, the internal thread is machined by one end of the anchoring sleeve (3), the auxiliary anchoring sleeve (4) and the sealing cylinder (6) by the threading device, and the external thread is processed at the other end, the end cover (1) and the sealing cover (9) processing internal threads separately;

d, steel strand installation, each steel strand (13) is inserted into the corresponding piercing hole (11) on the anchor sleeve (3), the steel strand (13) exposed anchor sleeve (3) 120 mm, the tooth The taper sleeve (2) penetrates into the center wire of the steel strand, and performs the pier head treatment on the center wire of the steel strand, and the exposed steel strand (13) is flattened to the end face of the anchor sleeve (3) by the pressing tool device;

e. using the extrusion equipment and the tool equipment to integrally clamp and clamp the whole bundle of steel strands in the anchor sleeve (3);

f. Auxiliary clamping section anchoring, screwing the auxiliary anchoring sleeve (4) and the anchoring sleeve (3), and filling the epoxy filling material (5) with the inner cavity of the auxiliary anchoring sleeve (4) to form an anchor clamping section ( 101), placing the anchor clamping section (101) in a high temperature curing oven for constant temperature curing;

g, the cable pre-tensioning, loading and holding 60% of the nominal force of the cable;

h. Seal, screw the sealing cylinder (6) onto the anchor cup B (4), install the sealing ring (8) and the sealing cover (9) onto the sealing cylinder (6), and finally pass the grouting equipment to the sealing cylinder (6) The inner layer is filled with anti-corrosion polyurethane, and the anchor cable is suspended in a vertical state and then allowed to stand for 12 hours. The high stress extrusion anchor steel strand cable of the present invention is obtained.

Example 2:

The high stress extrusion anchor steel strand cable of the invention comprises the steel stranded cable body and the anchors at both ends thereof, and the steel strand finished cable body comprises the steel strand PE cable body (10) and the two ends thereof Stripping the PE steel strand (13); the anchor includes: an anchor clamping section (101), an auxiliary clamping section (102), a sealing anti-corrosion section (103), and an anchor clamping section (101) including an end cover (1) , toothed taper sleeve (2), anchor sleeve (3), auxiliary clamping section (102); sealing anticorrosion section (103) including sealing cylinder (6), sealing ring (8), sealing cover (9); auxiliary clamp The holding section (102) includes an auxiliary anchoring sleeve (4). The anchor sleeve (3) is drilled with seven through-holes (11) equal in number to the extruded steel strands, and the through-holes (11) are machined with threaded teeth, two in each through-hole (11) Forming a threaded structure (12) at the end, and the adjacent through hole (11) located in the vertical direction of the center is a slotted communication structure (14), and each steel strand is threaded into the corresponding hole when the cable is made, The anchoring sleeve is squeezed by the pressing tool device to realize the overall extrusion clamping of the steel strand; the auxiliary anchoring sleeve (4) is in the shape of an inner cone, and the anchoring sleeve is realized by filling the epoxy iron sand (3) The wedge-shaped clamping and waterproof anti-corrosion effect of the steel strand between the sealing cylinder (6); the sealing ring (8) is a gap seal between the steel strand PE cable body (10) and the sealing cylinder (6), the structure thereof Designed as an outer tapered structure, the rubber material is sealed by the principle of extrusion deformation.

The steps of the preparation method are as follows: preparing the above components;

a. Steel strand cleaning, strip PE at both ends of steel stranded wire rope body (10), and smash each steel strand (13) after cleaning;

b. The surface of the strand is subjected to a toothing;

c. Threading, the internal thread is machined by one end of the anchoring sleeve (3), the auxiliary anchoring sleeve (4) and the sealing cylinder (6) by the threading device, and the external thread is processed at the other end, the end cover (1) and the sealing cover (9) processing internal threads separately;

d, steel strand installation, each steel strand (13) is inserted into the corresponding through hole (11) on the anchor sleeve (3), the steel strand (13) exposed anchor sleeve (3) 60 mm, the teeth The taper sleeve (2) penetrates the center wire of the steel strand (13), and the core wire of the steel strand (13) is treated with a pier head, and the exposed steel strand (13) is flattened to the anchor by the pressing tool device. Set (3) end face;

e. using the extrusion equipment and the tool equipment to integrally clamp and clamp the whole bundle of steel strands in the anchor sleeve (3);

f. Auxiliary clamping section anchoring, screwing the auxiliary anchoring sleeve (4) and the anchoring sleeve (3), and filling the epoxy filling material (5) with the inner cavity of the auxiliary anchoring sleeve (4) to form an anchor clamping section ( 101), placing the anchor clamping section (101) in a high temperature curing oven for constant temperature curing;

g, the cable pre-tensioning, loading and holding for 60 minutes according to 60% of the nominal force of the cable;

h. Seal, screw the sealing cylinder (6) onto the anchor cup B (4), install the sealing ring (8) and the sealing cover (9) onto the sealing cylinder (6), and finally pass the grouting equipment to the sealing cylinder (6) The oil was poured into the tank, and the anchor cable was placed in a vertical state and left to stand for 8 hours. The high stress extrusion anchor steel strand cable of the present invention is obtained.

Example 3:

The high stress extrusion anchor steel strand cable of the invention comprises the steel stranded cable body and the anchors at both ends thereof, and the steel strand finished cable body comprises the steel strand PE cable body (10) and the two ends thereof Stripping the PE steel strand (13); the anchor includes: an anchor clamping section (101), an auxiliary clamping section (102), a sealing anti-corrosion section (103), and an anchor clamping section (101) including an end cover (1) , toothed taper sleeve (2), anchor sleeve (3), auxiliary clamping section (102); sealing anticorrosion section (103) including sealing cylinder (6), sealing ring (8), sealing cover (9); auxiliary clamp The holding section (102) includes an auxiliary anchoring sleeve (4). The anchor sleeve (3) is drilled with seven through-holes (11) equal in number to the extruded steel strands, and the through-holes (11) are machined with threaded teeth in the middle of each of the through-holes (11) The segment forms a threaded structure (12), and the adjacent through hole (11) located in the vertical direction on the left side is a slotted communication structure (14), and each steel strand is threaded into the corresponding hole when the cable is made, The anchoring sleeve is squeezed by the pressing tool device to realize the overall extrusion clamping of the steel strand; the auxiliary anchoring sleeve (4) is in the shape of an inner cone, and the anchoring sleeve is realized by filling the epoxy iron sand (3) The wedge-shaped clamping and waterproof anti-corrosion effect of the steel strand between the sealing cylinder (6); the sealing ring (8) is a gap seal between the steel strand PE cable body (10) and the sealing cylinder (6), the structure thereof Designed as an outer tapered structure, the rubber material is sealed by the principle of extrusion deformation.

The steps of the preparation method are as follows: preparing the above components;

a. Steel strand cleaning, strip PE at both ends of steel stranded wire rope body (10), and smash each steel strand (13) after cleaning;

b. The surface of the strand is subjected to a toothing;

c. Threading, the internal thread is machined by one end of the anchoring sleeve (3), the auxiliary anchoring sleeve (4) and the sealing cylinder (6) by the threading device, and the external thread is processed at the other end, the end cover (1) and the sealing cover (9) processing internal threads separately;

d, steel strand installation, each steel strand (13) is inserted into the corresponding piercing hole (11) on the anchor sleeve (3), the steel strand (13) exposed anchor sleeve (3) 120 mm, the tooth The taper sleeve (2) penetrates into the center wire of the steel strand, and performs the pier head treatment on the center wire of the steel strand, and the exposed steel strand (13) is flattened to the end face of the anchor sleeve (3) by the pressing tool device;

e. using the extrusion equipment and the tool equipment to integrally clamp and clamp the whole bundle of steel strands in the anchor sleeve (3);

f. Auxiliary clamping section anchoring, screwing the auxiliary anchoring sleeve (4) and the anchoring sleeve (3), and filling the epoxy filling material (5) with the inner cavity of the auxiliary anchoring sleeve (4) to form an anchor clamping section ( 101), placing the anchor clamping section (101) in a high temperature curing oven for constant temperature curing;

g, the cable pre-tensioning, loading and holding for 60 minutes according to the nominal force of the cable;

h. Seal, screw the sealing cylinder (6) onto the anchor cup B (4), install the sealing ring (8) and the sealing cover (9) onto the sealing cylinder (6), and finally pass the grouting equipment to the sealing cylinder (6) The epoxy mortar was poured into the cable, and the anchor cable was suspended in a vertical state and allowed to stand for 14 hours. The high stress extrusion anchor steel strand cable of the present invention is obtained.

The high stress extrusion anchor steel strand cable is provided with an auxiliary anchor sleeve (4) and an anticorrosive material (7) between the anchor sleeve (3) and the sealing cylinder (6), thereby improving the anchoring section and the sealing section. The anchoring and waterproofing and anti-corrosion properties of the steel strand avoid the risk of fatigue fracture of the steel strand between the anchoring section and the sealing section; by threading the center wire of the strand (13) into the tooth type The taper sleeve (2) is treated with the pier head to further improve the clamping and clamping slip resistance of the steel strand, and the outer teeth can enhance the friction of the steel strand; by setting the sealing ring (8) to the outer taper The structure, by the screwing and pressing principle of the sealing cover (9), realizes the pressure-pressure deformation sealing action of the sealing ring (8), thereby preventing rainwater from flowing from the gap between the cable body and the sealing cover; The hole (11) performs machining of the thread to form a threaded structure (12), which greatly improves the clamping force of the anchoring section; and the anchoring sleeve is pressed by the slotted connecting structure (14) of the adjacent through-hole (11) The deformation clamping force transmission is better, and the clamping effect on the steel strand can be guaranteed; The entire anchoring section placed a high temperature holding furnace for curing the curing temperature, to form a wedge-shaped clamping force; by pretensioning stage the strand uniform force, to eliminate the gap between the cable so that the cable stable elastic modulus. The comparison table of the examples 1~3 with the conventional product parameters is as follows:

Comparison of Examples 1-3 and conventional product parameters

1‧‧‧End cover

2‧‧‧ cone sleeve

3‧‧‧ anchor sleeve

4‧‧‧Auxiliary anchor sleeve

5‧‧‧Epoxy filler

6‧‧‧ Sealing cylinder

7‧‧‧Anti-corrosion materials

8‧‧‧ sealing ring

9‧‧‧ Sealing cover

10‧‧‧Steel wire PE body

101‧‧‧ anchor clamping section

102‧‧‧Auxiliary clamping section

103‧‧‧ Sealing anti-corrosion section

11‧‧‧through the heart

12‧‧‧Thread structure

13‧‧‧Steel wire

14‧‧‧Slotted connection structure

1 is a structural view of a high stress degree extruded anchor steel cable of the present invention. 2 is a structural view of the anchorage clamping section of the high stress degree extruded anchor steel cable of the present invention. Figure 3 is a structural view of the anti-corrosion section of the cable seal of the high stress degree extruded anchor steel wire of the present invention. 4 is a schematic view of a high stress degree extruded anchor steel wire cable taper sleeve of the present invention. Figure 5 is a cross-sectional view of the high stress degree extruded anchor steel wire cable anchor sleeve of the present invention. Figure 6 is a cross-sectional view of the high stress degree extruded anchor steel wire cable anchor sleeve of the present invention. Figure 7 is a structural view of the high stress degree extruded anchor steel wire cable auxiliary anchoring sleeve of the present invention. Figure 8 is a schematic view of the high stress degree extruded anchor steel wire cable sealing ring of the present invention.

Claims (7)

A high stress extrusion anchor steel strand cable, the cable comprises a steel strand finished cable body and an anchor at both ends thereof, the steel strand finished cable body comprises a steel strand PE cable body (10) and two Stripping the PE steel strand (13); wherein the anchor comprises: an anchor clamping section (101), a sealing anti-corrosion section (103); the anchor clamping section (101) comprises an end cover (1) and an anchor sleeve ( 3) an auxiliary clamping section (102); the sealing anti-corrosion section (103) comprises a sealing cylinder (6), a sealing ring (8), a sealing cover (9); the auxiliary clamping section (102) comprises an auxiliary anchoring sleeve ( 4); the two ends of the anchor sleeve (3) are respectively connected with the end cover (1) and one end of the auxiliary anchor sleeve (4) by a spiral connection, and the other end of the auxiliary anchor sleeve (4) and the sealing cylinder (6) One end of the sealing cylinder (6) is connected to the sealing cover (9) by a spiral connection; the sealing cylinder (6) is provided with a sealing ring near the port at one end of the sealing cover (9) (8) The seal ring (8) is a gap seal between the steel strand PE cable body (10) and the seal cylinder (6) The space enclosed by the inside of the sealing cylinder (6) is filled with an anticorrosive material (7); the inner cavity surrounded by the auxiliary anchoring sleeve (4) is filled with an epoxy filler (5); the anchoring sleeve (3) is drilled therein a perforation hole (11) equal in number to the number of extruded steel strands, at least one adjacent one of the perforation holes (11) is a slotted communication structure (14), and all of the slotted communication structures (14) The slotting directions are parallel to each other. The high stress degree extruded anchor strand cable according to claim 1, wherein the auxiliary anchor sleeve (4) has an inner cone shape. The high-stress-squeezing anchor steel wire rope according to the first aspect of the patent application, wherein the piercing hole (11) is provided with a toothed taper sleeve (2) near the end cover side, the through-shaped cone The steel strand (13) of the sleeve (2) is a steel strand treated with a core wire through the pier head. The high stress degree extruded anchor steel cable according to claim 1, wherein the sealing ring (8) is an outer tapered structure. The high stress degree extruded anchor strand cable according to claim 1, wherein the through hole (11) comprises at least one threaded structure (12). The high stress degree extruded anchor steel cable according to claim 1, wherein the anticorrosive material (7) is a mixed material of one or more of epoxy mortar, grease and anticorrosive polyurethane. Method for preparing high stress degree extruded anchor steel cable, the cable comprises steel strand PE cable body (10) and stripping PE steel strand (13), end cover (1) and teeth at both ends thereof Taper sleeve (2), anchor sleeve (3), auxiliary anchor sleeve (4), sealing cylinder (6), sealing ring (8), sealing cover (9); anchor sleeve (3) drilled and squeezed The number of steel strands is equal to that of the through hole (11), and at least one of the adjacent through holes (11) is a slotted communication structure (14), and the slotted directions of all the slotted communicating structures (14) are parallel to each other; The auxiliary anchor sleeve (4) is in the shape of an inner cone; the sealing ring (8) is an outer tapered structure; the steps of the preparation method include: a, steel strand cleaning, the steel strand PE body (10) two Strip the PE at the end, and then scrape off each steel strand (13) and then return it; b. The surface of the strand is bitten; c. Threaded, the end cap is covered by a threaded device (1) , the anchor sleeve (3), the auxiliary anchor sleeve (4) and the sealing cylinder (6), the sealing cover (9) processing corresponding internal or external threads; d, steel strand installation, Each of the steel strands (13) penetrates the corresponding through hole (11) of the anchor sleeve (3), and the steel strand (13) exposes the anchor sleeve (3) 60-200 mm, and the tooth type The taper sleeve (2) penetrates into the center wire of the steel strand, and performs the pier head treatment on the center wire of the steel strand, and the exposed steel strand (13) is flattened to the end face of the anchor sleeve (3) by pressing tools e, extrusion, using the extrusion equipment and tool equipment to integrally clamp the whole bundle of steel strands in the anchor sleeve (3); f, the auxiliary clamping section anchoring, the auxiliary anchoring sleeve (4) Rotating with the anchor sleeve (3), and filling the epoxy filler (5) with the inner cavity of the auxiliary anchor sleeve (4) to form the anchor clamping section (101), and anchoring the solid clamping section ( 101) placed in a high temperature curing oven for constant temperature curing; g, cable pretensioning, loading and holding for 60 to 60 minutes according to the nominal force of the cable; h, sealing, the sealing cylinder (6) and the auxiliary anchoring The sleeve (4) is screwed, the sealing ring (8) and the sealing cover (9) are mounted on the sealing cylinder (6), and finally poured into the sealing cylinder (6) by a grouting device Rot the sealing material (7), and the vertical lifting anchor after the stationary state of the discharge 8 to 14 hours.