Wedge-shaped anchorage device of ultra-large hydraulic lifter

Abstract

The utility model relates to the technical field of anchorage devices, in particular to a wedge-shaped anchorage device of an ultra-large hydraulic lifter, which is used for fixing a steel rope in advance, ensuring the clamping stability and facilitating the disassembly of the anchorage device. Comprising an anchor sleeve, a conical positioning sleeve is arranged in the middle of the anchor sleeve, a clamping assembly is installed in the positioning sleeve and comprises a plurality of limiting sliding blocks and a plurality of wedge-shaped anchor plates, a pre-tightening assembly is installed at the bottom of the anchor sleeve, and an anchor loosening assembly is installed at the bottom of the anchor sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of anchor devices, in particular to a wedge-shaped anchor device for an extra-large hydraulic hoister. Background Technique

[0002] At present, the hydraulic lifting technology using hydraulic hoisters has been more and more widely applied to the installation projects of various large-scale grid structures, truss structures, and large gantry cranes. An anchor device that is easy to disassemble proposed in the prior art publication number CN213710108U includes a fixed anchor body. Isolation blocks are arranged at the central parts of the upper and lower ends of the fixed anchor body, and a number of steel bar installation grooves are opened on both sides of the fixed anchor body. Top block installation grooves are opened on the upper and lower end faces of the fixed anchor body. Fixed block strips are arranged on the upper and lower end faces of the fixed anchor body. A first steel bar main body and a second steel bar main body are clamped inside the steel bar installation grooves. A first fixed block and a second fixed block are respectively arranged on the first steel bar main body and the second steel bar main body, and the directions of the first fixed block and the second fixed block are opposite. A top block is arranged inside the top block installation groove, a blind hole with a "T" - shaped cross - section is arranged on the outer wall of the top block, and a screw fixing piece is arranged inside the blind hole of the top block. However, after prestressing the steel rope, the connection between the wedge and the anchor plate is relatively tight, making it inconvenient to disassemble the anchor device, thus wasting working hours and making it inconvenient to pre - fix the wedge during use, affecting the stability of the wedge and making the wedge easy to fall off. Content of the Utility Model

[0003] To solve the above - mentioned technical problems, the utility model provides an extra - large hydraulic hoister wedge - shaped anchor device that pre - fixes the steel rope, ensures the stability of clamping, and is convenient for disassembling the anchor device.

[0004] An extra - large hydraulic hoister wedge - shaped anchor device of the utility model includes an anchor sleeve. A conical positioning sleeve is opened in the middle of the anchor sleeve. A clamping assembly is installed inside the positioning sleeve. A pre - tightening assembly is installed at the bottom of the anchor sleeve, and a loose - anchor assembly is installed at the bottom of the anchor sleeve. The steel rope passes through the conical positioning sleeve. The pre - tightening assembly drives the clamping assembly to pre - fix the steel rope, ensuring the stability of clamping. After prestressing the steel rope, the clamping assembly tightly connects it. The loose - anchor assembly can facilitate the disassembly of the anchor device, realizing pressing the anchor and loosening the anchor.

[0005] Preferably, the clamping assembly includes a plurality of limiting sliders and a plurality of wedge-shaped anchor plates. A plurality of limiting chutes are axially and uniformly formed in the conical positioning sleeve of the anchor sleeve. The plurality of limiting sliders are respectively slidably installed in the limiting chutes. Wedge-shaped anchor plates are fixedly installed on the limiting sliders. The plurality of wedge-shaped anchor plates are evenly distributed in the positioning sleeve. The steel rope passes through the positioning sleeve. After applying prestress to the steel rope, the steel rope pulls the wedge-shaped anchor plate to move in the positioning sleeve, and cooperates with the positioning sleeve to tightly connect the steel rope. When the wedge-shaped anchor plate moves, it drives the limiting slider to move in the limiting chute to guide and limit the wedge-shaped anchor plate to ensure the clamping effect.

[0006] Preferably, the pre-tightening assembly includes two telescopic cylinders and two T-shaped push plates. A bottom plate is connected to the top of the wedge-shaped anchor plate. Mounting holes are oppositely formed at the bottom of the anchor sleeve. The two telescopic cylinders are fixed in the mounting holes. A T-shaped push plate is fixedly installed at the bottom telescopic end of the telescopic cylinder. The T-shaped push plates are respectively in contact with the bottom of the bottom plate. After the steel rope passes through the positioning sleeve, the telescopic cylinders are started to drive the T-shaped push plates to move upward. The T-shaped push plates push the wedge-shaped anchor plate upward through the bottom plate to pre-fix the steel rope to ensure the stability of clamping and prevent the wedge-shaped anchor plate from falling off.

[0007] Preferably, the anchor releasing assembly includes two hydraulic cylinders and two arc-shaped push plates. Fixing holes are alternately formed at the bottom of the anchor sleeve and the mounting holes. The hydraulic cylinders are installed in the fixing holes. An arc-shaped push plate is fixedly installed at the telescopic end of the hydraulic cylinder. The arc-shaped push plate is located above the bottom plate. The hydraulic cylinders are started to push the arc-shaped push plates to move downward, and the wedge-shaped anchor plate is pulled downward through the bottom plate to disassemble the anchor.

[0008] Preferably, a plurality of teeth are evenly installed on the side walls of the adjacent ends of the plurality of wedge-shaped anchor plates. The plurality of teeth can increase the friction between the wedge-shaped anchor plate and the steel rope, prevent the steel rope from sliding, and improve the fastening effect.

[0009] Preferably, a bottom cylinder is fixedly connected to the bottom of the anchor sleeve, and a convex platform is arranged at the bottom of the bottom cylinder. The bottom cylinder supports the lower part of the anchor sleeve to protect the T-shaped push plate and the arc-shaped push plate and prevent it from affecting their actions.

[0010] Preferably, a top plate is fixedly arranged at the top of the anchor sleeve. A round hole is formed in the middle of the top plate. A lead-out pipe is fixedly connected to the round hole. A rubber sleeve is inserted on the lead-out pipe. The steel rope passes through the lead-out pipe for guiding. The rubber sleeve can reduce the friction between the steel rope and the lead-out pipe and prevent wear.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The steel rope passes through the conical positioning sleeve. The pre-tightening assembly drives the clamping assembly to pre-fix the steel rope to ensure the stability of clamping. After applying prestress to the steel rope, the clamping assembly tightly connects it. The anchor releasing assembly can facilitate the disassembly of the anchor to realize pressing the anchor and releasing the anchor. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural view of the present utility model;

[0013] Figure 2 is a front view structural schematic diagram of the present utility model;

[0014] Figure 3 is a partial sectional structural schematic diagram of the present utility model;

[0015] Figure 4 is a front view sectional structural schematic diagram of the present utility model;

[0016] Figure 5 is a schematic structural view of the clamping assembly of the present utility model;

[0017] Reference numerals in the drawings: 1, anchor sleeve; 2, limit slider; 3, wedge-shaped anchor plate; 4, telescopic cylinder; 5, T-shaped push plate; 6, hydraulic cylinder; 7, arc-shaped push plate; 8, bottom plate; 9, bottom cylinder; 10, teeth; 11, top plate; 12, outlet pipe; 13, rubber sleeve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] For ease of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present utility model is thorough and complete.

[0019] As Figures 1 to 5 shown, a conical positioning sleeve is provided in the middle of the anchor sleeve 1. A plurality of limit chutes are axially and evenly provided in the conical positioning sleeve of the anchor sleeve 1. A plurality of limit sliders 2 are respectively slidably installed in the limit chutes. A wedge-shaped anchor plate 3 is fixedly installed on the limit slider 2. A plurality of wedge-shaped anchor plates 3 are evenly distributed in the positioning sleeve. The top of the wedge-shaped anchor plate 3 is connected to a bottom plate 8. Installation holes are oppositely provided at the bottom of the anchor sleeve 1. Two telescopic cylinders 4 are fixed in the installation holes. The bottom telescopic end of the telescopic cylinder 4 is fixedly installed with a T-shaped push plate 5. The T-shaped push plate 5 is respectively in contact with the bottom of the bottom plate 8. Fixing holes are alternately provided at the bottom of the anchor sleeve 1 and the installation holes. A hydraulic cylinder 6 is installed in the fixing hole. The telescopic end of the hydraulic cylinder 6 is fixedly installed with an arc-shaped push plate 7. The arc-shaped push plate 7 is located above the bottom plate 8. A plurality of teeth 10 are evenly installed on the side walls of the ends of the plurality of wedge-shaped anchor plates 3 close to each other. The bottom of the anchor sleeve 1 is fixedly connected to a bottom cylinder 9. A boss is provided at the bottom of the bottom cylinder 9. The top of the anchor sleeve 1 is fixedly provided with a top plate 11. A circular hole is provided in the middle of the top plate 11. An outlet pipe 12 is fixedly connected to the circular hole. A rubber sleeve 13 is inserted on the outlet pipe 12;

[0020] After the steel rope passes through the positioning sleeve, start the telescopic cylinder 4 to drive the T-shaped push plate 5 to move upward. The T-shaped push plate 5 pushes the wedge-shaped anchor plate 3 upward through the bottom plate 8 to pre-fix the steel rope, ensuring the stability of clamping and preventing the wedge-shaped anchor plate 3 from falling off. After applying prestress to the steel rope, the steel rope pulls the wedge-shaped anchor plate 3 to move within the positioning sleeve and cooperate with the positioning sleeve to tightly connect the steel rope. When the wedge-shaped anchor plate 3 moves, it drives the limit slider 2 to move within the limit chute to guide and limit the wedge-shaped anchor plate 3, ensuring the clamping effect. The steel rope passes through the outlet pipe 12 for guiding, and the rubber sleeve 13 can reduce the friction between the steel rope and the outlet pipe 12 to avoid wear. The bottom cylinder 9 supports the lower part of the anchor sleeve 1 to protect the T-shaped push plate 5 and the arc-shaped push plate 7 to prevent affecting their actions. Multiple teeth 10 can increase the friction between the wedge-shaped anchor plate 3 and the steel rope to prevent the steel rope from sliding and improve the fastening effect. Start the hydraulic cylinder 6 to push the arc-shaped push plate 7 downward, and pull the wedge-shaped anchor plate 3 downward through the bottom plate 8 to disassemble the anchor.

[0021] As Figures 1 to 5 shown, for a wedge-shaped anchor of a super-large hydraulic lifter of the present utility model, during operation, after the steel rope passes through the positioning sleeve, start the telescopic cylinder 4 to drive the T-shaped push plate 5 to move upward. The T-shaped push plate 5 pushes the wedge-shaped anchor plate 3 upward through the bottom plate 8 to pre-fix the steel rope. The steel rope passes through the outlet pipe 12 for guiding, and the rubber sleeve 13 can reduce the friction between the steel rope and the outlet pipe 12. After applying prestress to the steel rope, the steel rope pulls the wedge-shaped anchor plate 3 to move within the positioning sleeve and cooperate with the positioning sleeve to tightly connect the steel rope. When the wedge-shaped anchor plate 3 moves, it drives the limit slider 2 to move within the limit chute to guide and limit the wedge-shaped anchor plate 3. Multiple teeth 10 can increase the friction between the wedge-shaped anchor plate 3 and the steel rope to prevent the steel rope from sliding. Start the hydraulic cylinder 6 to push the arc-shaped push plate 7 downward, and pull the wedge-shaped anchor plate 3 downward through the bottom plate 8 to disassemble the anchor.

[0022] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A super large hydraulic lifter wedge-shaped anchor, characterized in that: The anchor sleeve (1) comprises an anchor sleeve (1), wherein a conical positioning sleeve is provided in the middle of the anchor sleeve (1), a clamping assembly is installed inside the positioning sleeve, a pre-tightening assembly is installed at the bottom of the anchor sleeve (1), and an anchor loosening assembly is installed at the bottom of the anchor sleeve (1).

2. The super-large hydraulic lifter wedge-shaped anchor as claimed in claim 1, characterized in that: The clamping assembly comprises a plurality of limit slide blocks (2) and a plurality of wedge-shaped anchor plates (3); a plurality of limit slide grooves are evenly arranged axially in a conical positioning sleeve of the anchor sleeve (1); the plurality of limit slide blocks (2) are respectively slidably mounted in the limit slide grooves; the wedge-shaped anchor plates (3) are fixedly mounted on the limit slide blocks (2); and the plurality of wedge-shaped anchor plates (3) are evenly distributed in the positioning sleeve.

3. The super-large hydraulic lifter wedge-shaped anchor as claimed in claim 2, characterized in that: The pre-tightening assembly comprises two telescopic cylinders (4) and two T-shaped push plates (5); the top of the wedge-shaped anchor plate (3) is connected to a bottom plate (8); the bottom of the anchor sleeve (1) is provided with mounting holes; the two telescopic cylinders (4) are fixed in the mounting holes; the bottom telescopic ends of the telescopic cylinders (4) are fixedly mounted with T-shaped push plates (5); the T-shaped push plates (5) are respectively in contact with the bottom of the bottom plate (8).

4. The super-large hydraulic lifter wedge-shaped anchor as claimed in claim 3, characterized in that: The anchor loosening assembly comprises two hydraulic cylinders (6) and two arc-shaped push plates (7). The bottom of the anchor sleeve (1) is provided with fixing holes alternately with the mounting holes. The hydraulic cylinder (6) is mounted in the fixing holes. The telescopic end of the hydraulic cylinder (6) is fixedly mounted with an arc-shaped push plate (7). The arc-shaped push plate (7) is located above the bottom plate (8).

5. The super-large hydraulic lifter wedge-shaped anchor as claimed in claim 2, characterized in that: A plurality of teeth (10) are evenly mounted on the side walls of one end of the plurality of wedge-shaped anchor plates (3) that are close to each other.

6. The super-large hydraulic lifter wedge-shaped anchor as claimed in claim 1, characterized in that: The bottom of the anchor sleeve (1) is fixedly connected to a bottom cylinder (9), and a boss is provided at the bottom of the bottom cylinder (9).

7. The super-large hydraulic lifter wedge-shaped anchor as claimed in claim 1, characterized in that: A top plate (11) is fixedly arranged on the top of the anchor sleeve (1), a circular hole is arranged in the middle of the top plate (11), a guide tube (12) is fixedly connected to the circular hole, and a rubber sleeve (13) is inserted into the guide tube (12).

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