Hydraulic elevator angle adjusting device

Abstract

The utility model discloses a hydraulic elevator angle adjusting device which comprises a lifting ring clamp and a box body assembly, the lifting ring clamp is provided with an adjusting block, and the hydraulic elevator angle adjusting device can adapt to elevators of different specifications by replacing the adjusting block. A driving device and a connecting rod mechanism are designed in the box body assembly, and the driving device is hinged to the box body assembly, so that swinging at different angles is met; the driving device is hinged with the connecting rod mechanism and is driven by the driving device, so that the connecting rod mechanism rotates around the fixed shaft; a U-shaped elevator clamping block is connected with the connecting rod mechanism and connected with the elevator lug plate through a connecting shaft, and the elevator is driven by a driving device to turn over within the designed angle range. And an elevator overturning angle control mechanism is further designed to adapt to different well drilling working conditions. And a spring system is designed in the driving device, so that the defect that the elevator cannot return to a designed position after being overturned due to back pressure of a power system of the driving device can be overcome, and the manufacturing difficulty of the elevator is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of oil drilling equipment, in particular to a hydraulic elevator angle adjustment device. Background Art

[0002] When drilling rigs use a power catwalk and hydraulic elevators to deliver drill pipe, the hydraulic elevators must adjust to different angles to accommodate the drill pipe delivered by the catwalk. Traditional manual tilting hydraulic elevator adjustment methods have a low degree of automation, are subject to significant human interference, require high operator skills, waste significant human resources, and pose safety risks. Therefore, a hydraulic elevator angle adjustment device is urgently needed to achieve multi-angle adjustment of the hydraulic elevator and realize automatic drill delivery. Utility Model Content

[0003] The utility model aims to provide a hydraulic elevator angle adjustment device to solve the problem of hydraulic elevator angle adjustment and improve the automation level and safety of drilling and production equipment.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a hydraulic elevator angle adjustment device, comprising a vertically arranged box assembly, a lifting ring clamp being vertically connected along the top of the box assembly, embedded slots being evenly distributed along the inner circumference of the lifting ring clamp, and adjustment blocks adapted to the outer dimensions of the elevator being embedded in the slots; a driving device being provided in the inner cavity of the box assembly, a nitrogen charging tool being connected to the top side of the driving device, and a connecting rod mechanism being connected to the bottom; the connecting rod mechanism comprising an active connecting rod hingedly connected to the bottom of the driving device, a driven connecting rod being hingedly connected to the end of the active connecting rod, the driven connecting rod being connected to a U-shaped block of the elevator plug-inly connected to the bottom of the box assembly, and the U-shaped block of the elevator being connected to an elevator ear plate via a connecting shaft passing through the bottom.

[0005] Preferably, a limit block is provided between the driven connecting rod and the U-shaped block of the elevator, and the rear end of the limit block is limited by an adjusting screw that passes through the bottom of the box assembly.

[0006] Preferably, a back-tightening nut is provided on the adjusting screw, and the adjusting screw is connected to the bottom of the box assembly through a thread and the length of the screw screwed in is used to adjust the positioning angle of the limit block.

[0007] Preferably, the driving device is a multi-layer structure, the inner layer of the driving device is a telescopic rod, the outer layer is a closed energy storage chamber, and the inner layer is connected to the outer layer.

[0008] Preferably, a spring system is provided in the driving device.

[0009] The working principle and working process of this utility model are as follows:

[0010] In the present invention, the lifting ring clamp and the box assembly are connected together at 90 degrees, and the lifting ring clamp can be adapted to lifting rings of different specifications by replacing the adjustment block; a driving device and a connecting rod mechanism are designed in the box assembly; the driving device is a multi-layer structure, the inner layer is a telescopic rod, and the outer layer is a closed energy storage chamber, and the inner and outer layers are connected. Under power drive, the telescopic rod can be extended and retracted, and after losing power, the telescopic rod can automatically retract. The connecting rod mechanism is composed of an active connecting rod, a driven connecting rod and a U-shaped block of the lifting card and is hinged together. The U-shaped block of the lifting card is connected to the ear plate of the lifting card through a connecting shaft, and the ear plate is driven by the driving connecting rod mechanism to realize the hydraulic lifting angle adjustment function. The connecting rod mechanism is provided with a lifting card flip angle control mechanism, which is composed of a limit block and an adjusting screw. By adjusting the extension length of the screw, the limit block is driven to rotate within the designed angle to realize the positioning function. The adjusting screw is equipped with a back-tightening nut.

[0011] The hoist ring clamp features a slot designed to accommodate the elevator adapter block. By replacing the block, you can adapt to different hoist ring sizes. The block's arc-shaped outer contour automatically conforms to the hoist ring surface, enabling the angle adjustment device to automatically position itself.

[0012] The drive unit is a multi-layered structure with an inner telescopic rod and an outer closed energy storage chamber. The inner and outer layers are connected. Under power, the telescopic rod can be extended and retracted automatically when power is lost. A nitrogen charging tool can be used to replenish pressure loss at any time.

[0013] One end of the active link is hinged in the box assembly, and the other end is hinged to the driven link; one end of the actuator link is hinged in the box assembly, and the other end is hinged to the driven link; the limit block is hinged to the inside of the driven link and the actuator link; the actuator link is provided with a threaded hole, on which an adjusting screw and a back-lock nut are installed; the contact position between the limit block and the driven link is adjusted by adjusting the screw-in length to control the adjustment angle of the hydraulic elevator.

[0014] The beneficial effects of the utility model are:

[0015] (1) The driving device of the utility model is a multi-layer structure, the inner layer is a telescopic rod, and the outer layer is a closed energy storage chamber. The inner and outer layers are connected. Under power drive, the telescopic rod can be extended and retracted. After losing power, the telescopic rod can automatically retract. The connecting rod mechanism is composed of an active connecting rod, a driven connecting rod and a U-shaped block of the elevator and is hinged together. The U-shaped block of the elevator is connected to the ear plate of the elevator through a connecting shaft. The ear plate is driven by the driving connecting rod mechanism to realize the hydraulic lifting angle adjustment function. The entire angle adjustment process is carried out by mechanical coordination. The angle adjustment accuracy is reliable, avoiding the mistakes and safety hazards that may be caused by manual operation.

[0016] (2) The utility model adjusts the telescopic length of the screw rod to make the limit block rotate within the designed angle. Outside the designed angle, the U-shaped block of the elevator floats within the allowed angle with the connecting rod mechanism to realize the limit function.

[0017] (3) The outer contour of the adjustment block in the present invention is an arc shape, which can automatically fit the surface of the lifting ring to realize the automatic positioning function of the angle adjustment device.

[0018] (4) The utility model is safe and reliable, has a simple structure, is easy to install, and has low manufacturing and maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model in a free state;

[0020] Figure 2 This is a schematic diagram of the structure of the utility model when it is flipped 90°;

[0021] In the figure: 1. lifting ring clamp, 2. box assembly, 3. driving cylinder, 4. active connecting rod, 5. U-shaped clamp, 6. nitrogen charging tool, 7. driven connecting rod, 8. limit block, 9. adjusting screw, 10. connecting shaft, 11. ear plate, 12. adjusting block. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below with reference to the accompanying drawings.

[0023] like Figure 1-2 The hydraulic elevator angle adjustment device shown in the figure comprises a vertically arranged box assembly 2, a lifting ring clamp 1 is vertically connected along the top of the box assembly 2, and embedded slots are evenly distributed along the inner circumference of the lifting ring clamp 1, and an adjustment block 12 adapted to the outer dimensions of the elevator is embedded in the slot; a driving device 3 is provided in the inner cavity of the box assembly 2, and the driving device 3 is a multi-layer structure, the inner layer of the driving device 3 is a telescopic rod, the outer layer is a closed energy storage chamber, and the inner layer is connected to the outer layer, and a spring system is provided in the inner layer; a nitrogen charging tool 6 is connected to the top side of the driving device 3, and a connecting rod mechanism is connected to the bottom; the connecting rod mechanism includes a connecting rod connected to the driving device 3. An active connecting rod 4 is hingedly connected to the bottom of the driving device 3, and a driven connecting rod 7 is hingedly connected to the end of the active connecting rod 4. The driven connecting rod 7 is connected to the U-shaped block 5 of the elevator card inserted at the bottom of the box assembly 2. A limit block 8 is provided between the driven connecting rod 7 and the U-shaped block 5 of the elevator card, and the rear end of the limit block 8 is limited by an adjusting screw 9 that passes through the bottom of the box assembly 2; the U-shaped block 5 of the elevator card is connected to the elevator ear plate 11 through a connecting shaft 10 that passes through the bottom; a back-tightening nut is provided on the adjusting screw 9, which is threadedly connected to the bottom of the box assembly 2 and adjusts the positioning angle of the limit block 8 by the length of the threaded screw.

[0024] The working principle and working process of this utility model are as follows:

[0025] like Figure 1-2The illustrated hydraulic elevator angle adjustment device comprises a lifting ring clamp 1 and a housing assembly 2 connected at 90°. The lifting ring clamp 1 can be adapted to different lifting ring sizes by replacing an adjustment block 12. A drive unit 3 and a connecting rod mechanism are designed within the housing assembly 2. The drive unit 3 is a multi-layer structure, with an inner telescopic rod and an outer closed energy storage chamber. The inner and outer layers are connected. The telescopic rod can be extended and retracted under power and automatically retracted upon power loss. The connecting rod mechanism consists of an active connecting rod 4, a driven connecting rod 7, and an elevator U-shaped block 5, which are hinged together. The elevator U-shaped block 5 is connected to the elevator lug 10 via a connecting shaft 12. The hydraulic lifting angle adjustment function is achieved by driving the connecting rod mechanism and driving the lug 11. The connecting rod mechanism also houses an elevator tilting angle control mechanism, consisting of a limit block 8 and an adjusting screw 9. By adjusting the length of the adjusting screw 9, the limit block 8 rotates within the designed angle to achieve positioning. The adjusting screw 9 is equipped with a backing nut.

[0026] A slot is designed inside the hoist ring clamp 1, in which the hoist card adapter adjustment block 12 is installed. By replacing the adjustment block 12, it is possible to adapt to hoists of different specifications. The outer contour of the adjustment block 12 is an arc shape, which can automatically fit the surface of the hoist ring to realize the automatic positioning function of the angle adjustment device.

[0027] The drive device is a multi-layer structure, with an inner telescopic rod and an outer closed energy storage chamber. The inner and outer layers are connected. Under power drive, the telescopic rod can be extended and retracted automatically after power is lost. The pressure loss can be replenished at any time by the nitrogen charging tool 6.

[0028] One end of the active link 4 is hinged in the box assembly 2, and the other end is hinged to the driven link 7; one end of the actuator link 5 is hinged in the box assembly 2, and the other end is hinged to the driven link 7; the limit block 8 is hinged to the inside of the driven link 7 and the actuator link 5; the actuator link 5 is provided with a threaded hole, on which an adjusting screw 9 and a back-tightening nut are installed; the contact position between the limit block 8 and the driven link 7 is adjusted by adjusting the screw-in length of the adjusting screw 9 to control the adjustment angle of the hydraulic elevator.

[0029] The driving device of the utility model has a multi-layer structure, the inner layer is a telescopic rod, and the outer layer is a closed energy storage chamber. The inner and outer layers are connected. Under power drive, the telescopic rod can be extended and retracted. After losing power, the telescopic rod can automatically retract. The connecting rod mechanism is composed of an active connecting rod, a driven connecting rod and an elevator U-shaped block and is hinged together. The elevator U-shaped block is connected to the elevator ear plate through a connecting shaft. The hydraulic lifting angle adjustment function is realized by driving the ear plate through the driving connecting rod mechanism. The entire angle adjustment process is carried out through mechanical cooperation. The angle adjustment accuracy is reliable, avoiding the mistakes and safety hazards that may be caused by manual operation.

[0030] The above are only preferred examples of the present invention. It should be noted that for ordinary technicians in this field, based on the technical inspiration provided by the present invention, as common knowledge in the field of machinery, other equivalent variations and improvements can be made, which should also be considered as the scope of protection of the present invention.

Claims

1. A hydraulic elevator angle adjustment device, characterized by: It comprises a vertically arranged box assembly (2), a lifting ring clamp (1) is vertically connected along the top of the box assembly (2), and embedded card slots are evenly distributed along the inner circumference of the lifting ring clamp (1), and an adjustment block (12) adapted to the outer dimensions of the lifting card is embedded in the card slot; The inner cavity of the box assembly (2) is provided with a driving device (3), the top side of the driving device (3) is connected to a nitrogen charging tool (6), and the bottom is connected to a connecting rod mechanism; the connecting rod mechanism includes an active connecting rod (4) hingedly connected to the bottom of the driving device (3), the end of the active connecting rod (4) is hingedly connected to a driven connecting rod (7), the driven connecting rod (7) is connected to an elevator U-shaped card block (5) plug-in connected to the bottom of the box assembly (2), and the elevator U-shaped card block (5) is connected to an elevator ear plate (11) via a connecting shaft (10) passing through the bottom.

2. The hydraulic elevator angle adjustment device according to claim 1, characterized in that: A limit block (8) is provided between the driven connecting rod (7) and the U-shaped block (5) of the elevator, and the rear end of the limit block (8) is limited by an adjusting screw (9) that passes through the bottom of the box assembly (2).

3. The hydraulic elevator angle adjustment device according to claim 2, characterized in that: The adjusting screw (9) is provided with a back-tightening nut, and the adjusting screw (9) is connected to the bottom of the box assembly (2) through a thread and adjusts the positioning angle of the length-adjusting limit block (8) screwed in through the thread.

4. The hydraulic elevator angle adjustment device according to claim 3, characterized in that: The driving device (3) is a multi-layer structure, wherein the inner layer of the driving device (3) is a telescopic rod, the outer layer is a closed energy storage chamber, and the inner layer and the outer layer are connected.

5. The hydraulic elevator angle adjustment device according to claim 4, characterized in that: A spring system is provided in the driving device (3).

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