Petroleum drilling derrick pulley anti-collision device

By installing buffer plates and air curtains on the oil drilling rig pulleys, the problem of insufficient protection for the pulleys has been solved, achieving effective impact buffering and anti-swaying effects, and improving the durability of the pulleys.

CN223906432UActive Publication Date: 2026-02-13SHAANXI LIJUN XINSHUO IND & TRADE CO LTD
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Patent Information

Application Number
CN202520719873.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-02-13
Estimated Expiration
2035-04-16

AI Technical Summary

Technical Problem

The existing oil drilling rig pulleys lack anti-collision devices, which means that when an external object hits the pulley, the impact force is directly applied to the pulley, causing damage and potentially leading to shaking and secondary damage.

Method used

Protective mechanisms, including buffer plates, buffer springs, and air curtains, are installed on both sides of the trolley. Through the sliding connection between the buffer plates and the box body and the gas collision of the air curtains, the impact force is absorbed and dispersed, protecting the trolley from direct damage.

Benefits of technology

It effectively buffers impact forces, prevents direct damage to the pulley, reduces shaking, avoids secondary damage, and improves the service life of the pulley.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223906432U_ABST
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Abstract

The utility model discloses a petroleum drilling derrick tackle anti-collision device, which relates to the technical field of derrick tackles, and is characterized by comprising a tackle body and connecting seats arranged at the upper end and the lower end of the tackle body, protection mechanisms are arranged on the two sides of the tackle body, and each protection mechanism comprises a mounting plate arranged on the side wall of the tackle body. A box body is arranged on the side wall of the mounting plate, a baffle is arranged at the front end of the box body, a buffer plate is arranged on the side wall of the baffle, and the buffer plate is made of a rubber material. According to the sliding block, the baffle is extruded by impact force to move through the penetrating sliding connection of the multiple penetrating rods between the baffle and the box body, so that the multiple buffer springs between the baffle and the box body deform, the generated impact force is buffered by the multiple buffer springs, and the impact force is prevented from directly acting on the sliding block body to damage the sliding block body.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of derrick pulley, concretely is a petroleum drilling derrick pulley anti -collision device. BACKGROUND

[0002] The travelling block is used for the steel wire rope lifting system, and the function is to lift the drilling tool with large weight by using the smaller elevator, and the travelling block is divided into single-wheel, double-wheel and three-wheel and various kinds according to the number of pulleys. The travelling block for core drilling is mostly 1-2 pulleys. The travelling blocks with different pulley numbers have various specifications according to the load size. The travelling block used in the geological system has been standardized, and there are single-wheel, double-wheel and three-wheel travelling blocks.

[0003] The derrick pulley is generally used in the petroleum drilling process, and the existing derrick pulley generally does not set the device for preventing the collision, so that the impact force generated when the external object collides directly acts on the pulley, thereby damaging the pulley, and the pulley shakes after the collision, and some devices only protect the two sides of the pulley, cannot protect the outer wall of the pulley, thereby causing secondary damage. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the defects of the prior art, the utility model provides a petroleum drilling derrick pulley anti-collision device, which solves the problem that the existing technology does not set the device for protecting the pulley, so that the impact force of the collision directly acts on the pulley, causing damage to the pulley.

[0006] (II) technical scheme

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: including the pulley body and the connecting seat installed at the upper and lower ends, the pulley body is equipped with the protection mechanism on both sides,

[0008] The protection mechanism includes the mounting plate arranged on the side wall of the pulley body, the side wall of the mounting plate is provided with a box body, the front end of the box body is provided with a baffle, the side wall of the baffle is provided with a buffer plate, and the buffer plate is made of rubber material.

[0009] Preferably, the side wall of the baffle is provided with a plurality of circumferentially arranged penetrating rods, the plurality of penetrating rods are penetrated through the box body and are slidably connected with the box body, the baffle and the box body are elastically connected through a plurality of buffer springs, and the plurality of buffer springs are respectively sleeved on the outer walls of the plurality of penetrating rods.

[0010] Preferably, the box body is slidably connected with a piston, and one end of the plurality of penetrating rods in the box body is connected with the piston.

[0011] Preferably, a plurality of air curtains symmetrically arranged are arranged between the two boxes, and the plurality of air curtains are respectively communicated with the two boxes.

[0012] Preferably, a plurality of grooves are arranged on the side wall of the box, a sliding rod is arranged in each of the plurality of grooves, and a sliding block is slidably connected to the outer wall of the sliding rod.

[0013] Preferably, a clamping block is arranged at the upper end of the sliding block, an inclined surface is arranged at the upper end of the clamping block, the inclined surface is slidably connected with the side wall of the baffle, and the lower end of the baffle is matched with the side wall of the baffle.

[0014] Preferably, the sliding block and the groove are elastically connected through a connecting spring, and the connecting spring is sleeved on the outer wall of the sliding rod.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a kind of, with following beneficial effects:

[0017] The utility model discloses the penetration sliding connection between baffle and box through multiple penetration rods, so that impact force extrudes baffle to move, so that multiple buffer springs between baffle and box are deformed, so that multiple buffer springs buffer impact force, avoid impact force directly acting on the trolley body, cause damage to the trolley body, then through the movement of baffle, piston moves in box, so that the gas in box is extruded to enter air curtain, air curtain collides to protect the outer wall of trolley body, avoid impact to make trolley body shake, so as to cause secondary damage. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure right view schematic drawing of the utility model;

[0019] Figure 2 It is the overall structure left view schematic drawing of the utility model;

[0020] Figure 3 It is the overall structure cross section schematic drawing of the utility model;

[0021] Figure 4 It is the A structure enlarged schematic drawing in the utility model Figure 1

[0022] In the drawing:

[0023] 1, trolley body;

[0024] 2, connecting seat;

[0025] 3, mounting plate;

[0026] 4, box;

[0027] 5, penetration rod;​

[0028] 6, baffle;

[0029] 7, buffer plate;

[0030] 8, buffer spring;

[0031] 9, air curtain;

[0032] 10, piston;

[0033] 11, groove;

[0034] 12, slide rod;

[0035] 13, slider;

[0036] 14, clamping block;

[0037] 15, inclined surface;

[0038] 16, connecting spring. DETAILED DESCRIPTION

[0039] In the utility model, if no opposite statement is made, the directions used such as "up, down" are usually for the directions shown in the drawings, or for the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" is usually for the left and right shown in the drawings; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above direction words are not used to limit the utility model.

[0040] The utility model provides a technical scheme of:

[0041] Please refer to Figures 1 to 4 A kind of oil drilling derrick tackle anti-collision device, including tackle body 1 and the connecting seat 2 being installed at its upper and lower ends, and the protection mechanism is arranged on the both sides of tackle body 1;

[0042] The protection mechanism includes the mounting plate 3 arranged on the side wall of the tackle body 1, the side wall of the mounting plate 3 is provided with the box 4, the front end of the box 4 is provided with the baffle 6, the side wall of the baffle 6 is provided with the buffer plate 7, and the buffer plate 7 is made of rubber material.

[0043] Further, the side wall of the baffle 6 is provided with a plurality of circumferentially arranged through rods 5, the plurality of through rods 5 are all penetrated through the box 4 and are slidably connected with the box 4, the baffle 6 and the box 4 are elastically connected through the plurality of buffer springs 8, the plurality of buffer springs 8 are respectively sleeved on the outer walls of the plurality of through rods 5, the plurality of through rods 5 are slidably connected by penetrating between the baffle 6 and the box 4, so that the impact force extrudes the baffle 6 to move, thereby causing the plurality of buffer springs 8 between the baffle 6 and the box 4 to deform, so that the plurality of buffer springs 8 buffer the impact force generated, to avoid that the impact force directly acts on the tackle body 1 and causes damage to the tackle body 1.

[0044] Further, the piston 10 is slidably connected to the inner wall of the box 4, and the plurality of penetrating rods 5 are connected to the piston 10.

[0045] Further, a plurality of air curtains 9 are symmetrically arranged between the two boxes 4, and the plurality of air curtains 9 are connected to the two boxes 4, respectively. By moving the baffle 6, the piston 10 is moved in the box 4, so as to extrude the gas in the box 4 into the air curtain 9, so that the air curtain 9 collides against the outer wall of the trolley body 1 to protect the trolley body 1 from being shaken by the impact, thereby avoiding secondary damage.

[0046] Further, a plurality of grooves 11 are formed in the side wall of the box 4, and a plurality of sliding rods 12 are penetratingly arranged in the plurality of grooves 11, and a sliding block 13 is slidably connected to the outer wall of the sliding rod 12.

[0047] Further, a clamping block 14 is arranged at the upper end of the sliding block 13, and an inclined surface 15 is formed at the upper end of the clamping block 14, and the inclined surface 15 is slidably connected to the side wall of the baffle 6, and the lower end of the baffle 6 is matched with the side wall of the baffle 6.

[0048] Further, the sliding block 13 and the groove 11 are elastically connected through a connecting spring 16, and the connecting spring 16 is sleeved on the outer wall of the sliding rod 12.

[0049] In specific use, the working principle of the utility model is as follows:

[0050] The two boxes 4 are installed on the two sides of the trolley body 1 through the cooperation of the mounting plate 3 and the bolt, and at this time, the plurality of air curtains 9 are sleeved on the outer wall of the trolley body 1 (since the cooperation of the mounting plate 3 and the bolt and the internal structure of the trolley body 1 are prior art, the related structure is not described in detail in the drawing), when the external object impacts the trolley body 1, the impact force generated by the impact first acts on the buffer plate 7, and then the penetrating sliding connection of the plurality of penetrating rods 5 between the baffle 6 and the box 4 is achieved, so that the impact force extrudes the baffle 6 to move, so that the plurality of buffer springs 8 between the baffle 6 and the box 4 are deformed, so that the plurality of buffer springs 8 buffer the impact force, avoiding the impact force directly acting on the trolley body 1, and causing damage to the trolley body 1;

[0051] When the impact force is too large to extrude the baffle 6, the baffle 6 is in contact with the inclined surface 15, the sliding block 13 and the clamping block 14 are moved by the extrusion of the baffle 6 through the sliding connection of the sliding block 13 and the slide rod 12, when the upper end of the baffle 6 and the lower end of the clamping block 14 are in the same horizontal plane, the clamping block 14 is returned to the initial position under the elastic action of the spring 16 connected between the sliding block 13 and the groove 11, so that the multiple clamping blocks 14 limit the position of the baffle 6, at the same time, the piston 10 is moved in the box body 4 through the movement of the baffle 6, so as to extrude the gas in the box body 4 into the air curtain 9, so that the air curtain 9 collides to protect the outer wall of the trolley body 1, avoids the impact to make the trolley body 1 shake, so as to cause secondary damage.

[0052] In summary, the oil drilling derrick trolley anti-collision device realizes the protection of the trolley by perfecting and optimizing the working principle, and solves the problem that the impact force is directly applied to the trolley and the trolley is damaged.

[0053] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited thereto. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the same technical problem and achieve the same technical effect is also covered by the protection scope of the present application.

Claims

1. A petroleum drilling derrick rigging anti-collision device, comprising a rigging body (1) and a connecting seat (2) installed on the upper and lower ends of the rigging body (1), characterized in that: Both sides of the trolley body (1) are provided with protection mechanism; The protection mechanism includes the mounting plate (3) provided on the side wall of the trolley body (1), the side wall of the mounting plate (3) is provided with the box (4), the front end of the box (4) is provided with the baffle (6), the side wall of the baffle (6) is provided with the buffer plate (7), and the buffer plate (7) is made of rubber material.

2. The anti-collision device for the derrick pulley of the oil drilling rig according to claim 1, characterized in that: The side wall of the baffle (6) is provided with a plurality of through rods (5) arranged in the circumferential direction, a plurality of the through rods (5) penetrate the box (4) and are in sliding connection with the box (4), the baffle (6) and the box (4) are elastically connected through a plurality of buffer springs (8), and the plurality of buffer springs (8) are respectively sleeved on the outer walls of the plurality of through rods (5).

3. The anti-collision device for the derrick pulley of the oil drilling rig according to claim 2, characterized in that: The inner wall of the box (4) is slidably connected with the piston (10), and one end of the plurality of through rods (5) located in the box (4) is connected with the piston (10).

4. The anti-collision device for the derrick crown block of a petroleum drilling derrick according to claim 3, characterized in that: A plurality of symmetrically arranged air curtains (9) are arranged between the two boxes (4), and the plurality of air curtains (9) are respectively connected with the two boxes (4).

5. The anti-collision device for the derrick pulley of the oil drilling rig according to claim 4, characterized in that: The side wall of the box (4) is provided with a plurality of grooves (11), a plurality of the grooves (11) are provided with the sliding rods (12) penetrating the grooves (11), and the outer wall of the sliding rod (12) is slidably connected with the sliding block (13).

6. The anti-collision device for the derrick crown block of a petroleum drilling derrick according to claim 5, characterized in that: The upper end of the sliding block (13) is provided with the clamping block (14), the upper end of the clamping block (14) is provided with the inclined surface (15), the inclined surface (15) is in sliding connection with the side wall of the baffle (6), and the lower end of the baffle (6) is in cooperation with the side wall of the baffle (6).

7. The anti-collision device for the derrick crown block of a petroleum drilling derrick according to claim 6, characterized in that: The sliding block (13) and the groove (11) are elastically connected through the connecting spring (16), and the connecting spring (16) is sleeved on the outer wall of the sliding rod (12).