Anchoring structure for sling steel strand

Abstract

The utility model relates to the technical field of anchor assembly, and discloses an anchoring structure for a sling steel strand, the anchoring structure comprises a base, a steel strand, a first supporting plate, an extrusion plate, an anchor and a limiting assembly used for limiting the position of the steel strand, a first through hole for the steel strand to penetrate through is formed in the first supporting plate, and a horn-shaped extrusion hole is formed in the extrusion plate; the anchorage device is arranged outside the steel strand in a sleeving manner; the exterior of the base is fixedly connected with an electric telescopic rod, and the output end of the electric telescopic rod is fixedly connected with an extrusion rod; by means of cooperation of a servo motor, a lead screw and a second supporting plate, the anchoring position of the steel strand can be accurately adjusted, the cover opening is tightly attached to the end of the steel strand, displacement of the steel strand in the extrusion process is effectively prevented, the extrusion stability is ensured, and the anchoring quality is improved; compared with the prior art, anchorage device extrusion can be carried out at any position of the steel strand, the application range is wide, the structure is simple, and operation of constructors is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of anchor assembly, in particular to an anchor structure for sling steel strand. BACKGROUND

[0002] In the field of bridge construction, large building structures and various hoisting and lifting engineering, the anchoring of sling steel strand is crucial. The sling steel strand needs to bear a huge tension, and the stability and reliability of its anchoring directly relate to the safety and durability of the entire engineering structure. The traditional sling steel strand anchoring structure often faces some problems in actual use.

[0003] For the above related technologies, the inventor believes that the steel strand anchoring operation in the prior art is not very convenient. Generally, only the end of the steel strand can be squeezed, and when it is necessary to squeeze at any position of the steel strand, it is difficult to meet the construction requirements, which is not convenient and has defects. Therefore, an anchor structure for sling steel strand is proposed to solve the above problems.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it can include prior art known to those skilled in the art. CONTENT OF THE INVENTION

[0005] In order to solve the problems in the above background technology, the present application provides an anchor structure for sling steel strand.

[0006] The anchor structure for sling steel strand provided by the present application adopts the following technical scheme:

[0007] An anchor structure for sling steel strand, comprising a base, a steel strand, a first support plate, a squeezing plate, an anchor and a limiting assembly for limiting the position of the steel strand, a first through hole is formed in the inside of the first support plate for the steel strand to pass through, a horn-shaped squeezing hole is formed in the inside of the squeezing plate, and the anchor is sleeved outside the steel strand; an electric telescopic rod is fixedly connected to the outside of the base, an output end of the electric telescopic rod is fixedly connected with a squeezing rod, a squeezing groove is formed in the inside of the squeezing rod, the cross section of the squeezing groove is circular, the cross section diameter of the squeezing groove should not be less than the cross section diameter of the steel strand, and the cross section diameter of the squeezing rod should be less than the outer diameter of the anchor.

[0008] Preferably, the limiting assembly comprises a fixing groove opened on the surface of the base, the inside of the fixing groove is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a lead screw, the outside of the lead screw is threadedly connected with a second supporting plate, the inside of the second supporting plate is opened with a second through hole with the same diameter as the first through hole, the side of the second through hole close to the first supporting plate is hingedly provided with a cover, the cover is opened, the steel strand is sequentially threaded through the second through hole, the first through hole and the extrusion hole, so that the position to be machined outside the steel strand is inside the extrusion hole, at this time, if the steel strand still has a part inside the second through hole, the servo motor is started, the lead screw rotates to drive the second supporting plate to move, so that the steel strand is separated from the second through hole, then the cover is closed, then the servo motor is continuously started, the cover of the second supporting plate is tightly attached to the end of the steel strand through the lead screw.

[0009] Preferably, the cross section of the extrusion groove is circular, and the cross section axes of the first through hole, the second through hole, the extrusion hole, the extrusion groove and the steel strand are coincided, so as to ensure that the steel strand is always fixed at the same horizontal position.

[0010] Preferably, the first supporting plate and the extrusion plate are fixedly connected outside the base, and the second supporting plate, the first supporting plate, the extrusion plate and the electric telescopic rod are fixedly connected outside the base from left to right.

[0011] Preferably, the bottom of the base is provided with a plurality of foot brake universal wheels, and the whole extrusion machine can be driven to move through the foot brake universal wheels, so as to be conveniently moved to a specified position.

[0012] In summary, the present application has the following beneficial technical effects:

[0013] 1. By means of the cooperation of the servo motor, the lead screw and the second supporting plate, the anchoring position of the steel strand can be accurately adjusted, and the cover is tightly attached to the end of the steel strand, so as to effectively prevent the displacement of the steel strand during the extrusion process, ensure the extrusion stability, improve the anchoring quality, and compared with the prior art, the present application can satisfy the anchorage extrusion at any position of the steel strand, has wide application range and simple structure, and is convenient for the operation of construction personnel.

[0014] 2. By means of the unique extrusion hole design, the anchor is firmly wrapped on the steel strand after being extruded and deformed by the extrusion rod pushing the anchor into the extrusion hole with gradually decreasing hole diameter, a reliable anchoring connection is formed, and the reliability and safety of the sling steel strand anchoring are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a first overall structure schematic view of the anchoring structure for the sling steel strand of the utility model;

[0016] Figure 2It is a second overall structure schematic view of the anchor structure for the sling steel strand of the utility model;

[0017] Figure 3 It is a partial section structure schematic view of the anchor structure for the sling steel strand of the utility model;

[0018] Figure 4 It is Figure 3 The structure amplification schematic view of A in the middle.

[0019] The label of the drawing is explained: 1, base; 2, steel strand; 3, first support plate; 4, extrusion plate; 5, anchor; 6, first through hole; 7, extrusion hole; 8, foot brake universal wheel; 9, electric telescopic rod; 10, extrusion rod; 11, extrusion groove; 12, fixed groove; 13, servo motor; 14, screw rod; 15, second support plate; 16, second through hole; 17, cover mouth. Specific implementation

[0020] The following is combined with the attached Figures 1-4 The application is further explained in detail.

[0021] The anchor structure for the sling steel strand is disclosed in the embodiment of the application, referring to Figures 1-4 , including base 1, steel strand 2, first support plate 3, extrusion plate 4, anchor 5 and limiting assembly for limiting the position of steel strand 2, the inside of first support plate 3 is provided with first through hole 6 for steel strand 2 to pass through, the inside of extrusion plate 4 is provided with horn-shaped extrusion hole 7, anchor 5 is sleeved outside steel strand 2, anchor 5 can move outside steel strand 2;The outside of base 1 is fixedly connected with electric telescopic rod 9, the output end of electric telescopic rod 9 is fixedly connected with extrusion rod 10, the inside of extrusion rod 10 is provided with extrusion groove 11, the cross section of extrusion groove 11 is circular, and the cross section diameter of extrusion groove 11 should not be less than the cross section diameter of steel strand 2, the cross section diameter of extrusion rod 10 should be less than the outer diameter of anchor 5, in addition, the cross section diameter of extrusion rod 10 should not be greater than the diameter of any cross section of extrusion hole 7, and it should be guaranteed that extrusion rod 10 can pass through extrusion hole 7.

[0022] Referring to Figures 1-4The limiting assembly comprises a fixing groove 12 formed on the surface of the base 1, a servo motor 13 fixedly connected inside the fixing groove 12, an output end of the servo motor 13 fixedly connected with a lead screw 14, the lead screw 14 externally threaded connected with a second support plate 15, the bottom of the second support plate 15 closely abutting with the inner wall of the bottom of the fixing groove 12, thereby increasing the stability of the second support plate 15 when moving outside the lead screw 14, a second through hole 16 with the same diameter as the first through hole 6 formed inside the second support plate 15, a cover 17 hingedly arranged on the side of the second through hole 16 close to the first support plate 3, the cover 17 being opened, the steel strand 2 being sequentially threaded through the second through hole 16, the first through hole 6 and the extrusion hole 7, so that the position of the steel strand 2 that needs to be processed is inside the extrusion hole 7, at this time, if the steel strand 2 still has a part inside the second through hole 16, the servo motor 13 is started, the lead screw 14 rotates to drive the second support plate 15 to move, so that the steel strand 2 is separated from the second through hole 16, then the cover 17 is closed, and then the servo motor 13 is continuously started, the cover 17 of the second support plate 15 and the end of the steel strand 2 are closely abutted by the lead screw 14.

[0023] With reference to Figure 3 The cross section of the extrusion groove 11 is circular, the cross section axes of the first through hole 6, the second through hole 16, the extrusion hole 7, the extrusion groove 11 and the steel strand 2 are coincided, thereby ensuring that the steel strand 2 is always fixed at the same horizontal position.

[0024] With reference to Figures 1-2 The first support plate 3 and the extrusion plate 4 are fixedly connected outside the base 1, the second support plate 15, the first support plate 3, the extrusion plate 4 and the electric telescopic rod 9 are fixedly connected outside the base 1 from left to right.

[0025] With reference to Figure 1 The bottom of the base 1 is provided with a plurality of foot brake universal wheels 8, the entire extrusion machine can be driven to move by the foot brake universal wheels 8, and can be conveniently moved to a specified position, the foot brake universal wheels 8 are provided with a brake structure, which can be braked by being pressed or stepped down, and can be restored to activity by being lifted.

[0026] The implementation principle of the anchoring structure for the sling steel strand of the embodiment of the application is as follows: the servo motor 13 is preferably HBS57 type, the electric telescopic rod 9 is preferably LX600 type, the servo motor 1 and the electric telescopic rod 9 are electrically connected with an external power supply through a switch, the whole extruding machine can be driven to move through the foot brake universal wheel 8, can be moved to a specified position conveniently, the cover opening 17 is opened, the steel strand 2 is sequentially threaded through the second through hole 16, the first through hole 6 and the extruding hole 7, the anchor 5 is sleeved at the position outside the steel strand 2 and located at the right side of the extruding plate 4, so that the position needing to be processed outside the steel strand 2 is located inside the extruding hole 7, at this time, if the steel strand 2 still has a part inside the second through hole 16, the servo motor 13 is started through the switch, the second support plate 15 is driven to move by the rotation of the screw rod 14, the screw rod 14 is externally provided with a spiral opening with an angle of 20 degrees, and the self-locking condition needs to be calculated according to the following formula: self-locking condition = friction coefficient * tan(spiral angle) >= 1, so that the steel strand 2 is separated from the second through hole 16, then the cover opening 17 is closed, then the servo motor 13 is continuously started, the cover opening 17 of the second support plate 15 is tightly attached to the end of the steel strand 2 through the screw rod 14, so that the steel strand 2 is prevented from moving when the extruding rod 10 moves, and the stability of the extruding machine during extrusion is increased, then the electric telescopic rod 9 is started through the switch, the extruding rod 10 is driven to move towards the steel strand 2, after the steel strand 2 enters the extruding hole 7, the extruding rod 10 will subsequently extrude the anchor 5 to drive the anchor 5 to enter the extruding hole 7 together, as the extruding hole 7 is more and more small, the anchor 5 is extruded and deformed in the extruding hole 7 and is pushed out of the extruding hole 7 after being extruded in the extruding hole 7, and is tightly wrapped outside the steel strand 2, so that the anchoring is completed.

[0027] Finally, it should be pointed out that: first, in the description of the application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0028] Secondly: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other.

[0029] Finally: the preferred embodiments of the utility model are described above only, and are not used to limit the utility model, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

[0030] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. An anchoring structure for a sling strand, comprising a base (1), a strand (2), a first support plate (3), an extruded plate (4), an anchorage (5) and a limiting assembly for limiting the position of the strand (2), characterized in that: The first support plate (3) is internally provided with a first through hole (6) for the steel strand (2) to pass through, the extrusion plate (4) is internally provided with a horn-shaped extrusion hole (7), and the anchor (5) is sleeved outside the steel strand (2); The base (1) is externally fixedly connected with an electric telescopic rod (9), the output end of the electric telescopic rod (9) is fixedly connected with an extrusion rod (10), and the inside of the extrusion rod (10) is provided with an extrusion groove (11).

2. An anchoring structure for a sling strand according to claim 1, characterized in that: The limiting assembly comprises a fixed groove (12) formed on the surface of the base (1), the inside of the fixed groove (12) is fixedly connected with a servo motor (13), the output end of the servo motor (13) is fixedly connected with a lead screw (14), the outside of the lead screw (14) is threadedly connected with a second support plate (15), the inside of the second support plate (15) is provided with a second through hole (16) with the same diameter as the first through hole (6), and a cover opening (17) is hingedly arranged on the side of the second through hole (16) close to the first support plate (3).

3. An anchoring structure for a sling strand as defined in claim 1, characterized in that: The cross section of the extrusion groove (11) is circular, and the cross section axes of the first through hole (6), the second through hole (16), the extrusion hole (7), the extrusion groove (11) and the steel strand (2) are coincident.

4. An anchoring structure for a sling strand as defined in claim 1, characterized in that: The first support plate (3) and the extrusion plate (4) are both fixedly connected outside the base (1).

5. An anchoring structure for a sling strand as defined in claim 1, characterized in that: The bottom of the base (1) is provided with a plurality of foot brake universal wheels (8).

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