Anti-falling structure of elevator bushing
By designing a combination structure of fixing ring, plug-in post and rubber ring in the hanger, the problem of loosening and falling off of the hanger core is solved, and the stability and safety of the hanger are improved.
Patent Information
- Application Number
- CN202520751191.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-21
AI Technical Summary
The core of the lifting clamp is prone to loosening and falling off due to insufficient lubrication or unstable voltage, which increases the safety risk of lifting operations. Existing technology is difficult to effectively prevent it from falling off.
A structure for preventing the hanger core from falling off was designed, including a fixing ring, a plug post, and a fixing stud. The hanger core is fixed to the hanger body through a threaded connection, and a rubber ring is provided to reduce falling off caused by vibration and impact, thus ensuring the stability of the hanger core.
It effectively prevents the lifting clamp core from falling off during the lifting process, improves the safety of lifting operations, and reduces the risk of damage to personnel and equipment.
Smart Images
Figure CN223854188U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of petroleum drilling equipment, concretely relates to a hanger hook core filling anti -drop structure. BACKGROUND
[0002] The hanger hook is an important tool in the field of petroleum drilling, and is mainly used for lifting drill pipes, oil pipes and casing pipes and the like, and specifically, the hanger hook is hung in the hanger rings on both sides of the hook of a lifting system, so as to lift or lower the drill pipes and the oil pipes and the casing pipes in the wellbore; the hanger hook core filling is an auxiliary tool used in the petroleum drilling operation, and the main function is to prevent the hanger hook from falling into the well when the small drill pipes are lifted or lowered, so as to improve the operation safety.
[0003] However, in the actual use process, if the lubrication between the hanger hook core filling and the hanger hook is insufficient, the friction will increase, which may cause the core filling to loosen and eventually fall off; and in some hydraulic hanger hooks, if the working voltage is unstable, the operation of the hanger hook will also be abnormal, thereby affecting the fixation and stability of the core filling and increasing the risk of falling off; once the hanger hook core filling falls off, the stability of the hanger hook in the lifting process will be lost, thereby increasing the safety risk of the lifting operation and possibly causing the goods to fall, resulting in personal injury and equipment damage, and therefore a hanger hook core filling anti-drop structure is needed to solve the above problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a hanger hook core filling anti-drop structure to solve the problems raised in the background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hanger hook core filling anti-drop structure, comprising:
[0006] The device main body comprises a hanger hook body and a hanger hook core filling, the hanger hook core filling is installed inside the hanger hook body, the hanger hook core filling is provided with a plurality of hanger hook core fillings, the side walls of the plurality of hanger hook core fillings are mutually adhered, each hanger hook core filling has a sliding slot and a sliding block matched with the sliding slot, the sliding slot and the sliding block are oppositely arranged, and the hanger hook core filling has a plug-in hole in the sliding block.
[0007] The anti-drop assembly comprises a fixing ring, a plug-in column and a fixing stud, the plug-in column and the fixing stud are provided with a plurality of plug-in columns, the plug-in column is fixedly installed at the lower end face of the fixing ring, the plug-in column is plugged into the plug-in hole, the lower end of the plug-in column has a threaded hole, the fixing stud is threadedly connected with the threaded hole, and the cross-sectional diameter of the lower end of the fixing stud is greater than that of the upper end.
[0008] As a preferred scheme, the anti-falling assembly further comprises a rubber ring, and the hanger core has a plug-in groove, and the rubber ring is plugged into the plug-in groove.
[0009] As a preferred scheme, the hanger core further comprises a limiting groove, and the rubber ring has a plug-in block which is plugged into the plug-in groove, and the side wall of the rubber ring is arranged in the plug-in groove.
[0010] As a preferred scheme, the rubber ring is provided in a pair, the plug-in groove and the limiting groove are also provided in a pair, and the pair of rubber rings are arranged in parallel.
[0011] As a preferred scheme, each hanger core is provided with a pair of hanger lugs which are respectively arranged at upper and lower ends of the hanger core, and the hanger lugs are attached to the hanger body.
[0012] As a preferred scheme, the rubber ring is provided in a pair, the plug-in groove and the limiting groove are also provided in a pair, and the pair of rubber rings are arranged in parallel.
[0013] Compared with the prior art, the utility model has the advantages of:
[0014] The utility model discloses a hanger core fixing device which is characterized by comprising a hanger body, a hanger core and an anti-falling assembly, wherein the hanger core is arranged in the hanger body, the hanger core is provided with a pair of hanger lugs which are respectively arranged at upper and lower ends of the hanger core, the hanger lugs are attached to the hanger body, the anti-falling assembly is arranged on the hanger lugs, and the anti-falling assembly comprises a fixed ring, a plug-in column and a fixed screw column.
[0015] The utility model discloses a hanger core fixing device which is characterized by comprising a hanger body, a hanger core and an anti-falling assembly, wherein the hanger core is arranged in the hanger body, the hanger core is provided with a pair of hanger lugs which are respectively arranged at upper and lower ends of the hanger core, the hanger lugs are attached to the hanger body, the anti-falling assembly is arranged on the hanger lugs, and the anti-falling assembly comprises a fixed ring, a plug-in column and a fixed screw column. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of one angle of the utility model;
[0017] Figure 2 It is a structural schematic view of another angle of the utility model;
[0018] Figure 3 is a partial exploded view of the utility model;
[0019] Figure 4 is a partial exploded view of the utility model from the bottom angle of the anti-falling assembly;
[0020] Figure 5 is a partial exploded view of the utility model from the top angle of the anti-falling assembly.
[0021] In the figure: 1, device main body; 11, lifting clamp body; 12, lifting clamp core; 121, sliding groove; 122, sliding block; 123, insertion hole; 124, insertion slot; 125, limiting groove; 126, lifting lug; 2, anti-falling assembly; 21, fixed ring; 22, insertion column; 221, threaded hole; 23, fixed stud; 24, rubber ring; 241, insertion block. DETAILED DESCRIPTION
[0022] The utility model will be further described in connection with the embodiments below.
[0023] The following embodiments are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the embodiments can be further adjusted according to specific conditions, and simple improvements of the method of the utility model under the concept of the utility model all belong to the range required to be protected by the utility model.
[0024] Please refer to Figures 1-5 , the utility model provides a lifting clamp core anti-falling structure, comprising:
[0025] Device main body 1, device main body 1 includes lifting clamp body 11 and lifting clamp core 12, lifting clamp core 12 is installed in the inside of lifting clamp body 11, lifting clamp core 12 is provided with multiple, the side wall of multiple lifting clamp core 12 mutually adheres, every lifting clamp core 12 has sliding groove 121 and the sliding block 122 of with sliding groove 121 is adapted, sliding groove 121 is oppositely arranged with sliding block 122, and the insertion hole 123 of sliding block 122 is in lifting clamp core 12;
[0026] Anti-falling assembly 2, anti-falling assembly 2 includes fixed ring 21, insertion column 22 and fixed stud 23, and insertion column 22 and fixed stud 23 are all provided with multiple, multiple insertion column 22 is fixedly installed at the lower end surface of fixed ring 21, insertion column 22 is inserted in insertion hole 123, the lower end of insertion column 22 has threaded hole 221, fixed stud 23 is threadedly connected with threaded hole 221, and the cross-sectional diameter of the lower end of fixed stud 23 is greater than the cross-sectional diameter of the upper end, by setting fixed stud 23 and insertion column 22, make lifting clamp core 12 be completely fixed in lifting clamp body 11 and not fall off;
[0027] The anti-falling assembly 2 further comprises rubber rings 24, the hanger core 12 is provided with insertion grooves 124, and the rubber rings 24 are inserted into the insertion grooves 124;
[0028] The hanger core 12 further comprises limiting grooves 125, the rubber rings 24 are provided with insertion blocks 241, the insertion blocks 241 are inserted into the insertion grooves 124, and the side walls of the rubber rings 24 are arranged in the insertion grooves 124;
[0029] The rubber rings 24 are arranged in pairs, the insertion grooves 124 and the limiting grooves 125 are also arranged in pairs, and the rubber rings 24 arranged in pairs are arranged in parallel;
[0030] Each hanger core 12 is provided with a pair of hanger lugs 126, the hanger lugs 126 are arranged at the upper and lower ends of the hanger core 12 respectively, and the hanger lugs 126 are attached to the hanger body 11, so that the hanger core 12 cannot fall from the hanger body 11 by arranging the hanger lugs 126;
[0031] The rubber rings 24 are circular in cross section, the inner wall of the hanger core 12 is arc-shaped, and the outer wall of the hanger core 12 is attached to the inner wall of the hanger body 11.
[0032] The working principle and use process of the utility model are as follows:
[0033] Firstly, the workers insert the sliding blocks 122 of the plurality of hanger cores 12 into the sliding grooves 121, so that the side walls of the plurality of hanger cores 12 are attached to each other, then the workers open the buckles on the hanger body 11, and then the workers place the plurality of hanger cores 12 attached to each other in the hanger body 11, so that the hanger lugs 126 at the upper and lower ends of the hanger core 12 are attached to the hanger body 11, and then the workers close the buckles on the hanger body 11, so that the hanger core 12 cannot fall from the hanger body 11 by arranging the hanger lugs 126;
[0034] After the hanger core 12 is placed in the hanger body 11, the workers insert the insertion columns 22 into the insertion holes 123 on the hanger core 12, and at this time, the lower end surface of the fixing ring 21 is attached to the hanger lug 126, then the workers threadedly connect the fixing screw columns 23 and the threaded holes 221 at the lower ends of the insertion columns 22 one by one, so that the hanger core 12 is completely fixed in the hanger body 11 and cannot fall off;
[0035] After the hanger core 12 is fixed, the workers place the rubber rings 24 in the limiting grooves 125, and then the workers insert the insertion blocks 241 on the rubber rings 24 into the insertion grooves 124, so that the rubber rings 24 are arranged, and the hanger core 12 cannot fall from the hanger body 11 by arranging the rubber rings 24 during the use of the hanger body 11.
[0036] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A hanging-off core insertion anti-falling structure, characterized in that, The utility model relates to a kind of lifting device, including: Device body (1), the device body (1) includes lifting clamp body (11) and lifting clamp core (12), the lifting clamp core (12) is installed inside the lifting clamp body (11), the lifting clamp core (12) is provided with multiple, the side wall of multiple lifting clamp core (12) is mutually pasted, each lifting clamp core (12) has sliding slot (121) and sliding block (122) with the sliding slot (121) is adapted, the sliding slot (121) is oppositely arranged with the sliding block (122), the lifting clamp core (12) has insertion hole (123) in the sliding block (122); Anti-falling assembly (2), the anti-falling assembly (2) includes fixed ring (21), insertion column (22) and fixed stud (23), the insertion column (22) and the fixed stud (23) are provided with multiple, multiple insertion column (22) is fixedly installed in the lower end surface of fixed ring (21), the insertion column (22) is inserted in the insertion hole (123), the lower end of insertion column (22) has threaded hole (221), the fixed stud (23) is threadedly connected with the threaded hole (221), and the cross-sectional diameter of lower end of the fixed stud (23) is greater than the cross-sectional diameter of upper end.
2. The core-loss-preventing structure of a hanging clamp according to claim 1, characterized in that: The anti-falling assembly (2) further includes rubber ring (24), the lifting clamp core (12) has insertion slot (124), the rubber ring (24) is inserted in the insertion slot (124).
3. The core-loss-preventing structure of a hanging clamp according to claim 2, characterized in that: The lifting clamp core (12) further includes limiting slot (125), the rubber ring (24) has insertion block (241), the insertion block (241) is inserted in the insertion slot (124), and the side wall of the rubber ring (24) is placed in the insertion slot (124).
4. The core-loss-preventing structure of a hanging clamp according to claim 3, characterized in that: The rubber ring (24) is provided with a pair, the insertion slot (124) and the limiting slot (125) are also provided with a pair, and a pair of rubber rings (24) are arranged in parallel.
5. The core-loss-preventing structure of a hanging clamp according to claim 4, characterized in that: Each lifting clamp core (12) has a pair of lifting lugs (126), a pair of lifting lugs (126) are respectively installed at the upper and lower ends of the lifting clamp core (12), and the lifting lug (126) is pasted to the lifting clamp body (11).
6. The core-loss-preventing structure of a hanging clamp according to claim 5, characterized in that: The cross section of the rubber ring (24) is circular, the inner wall of the lifting clamp core (12) is arc-shaped, and the outer wall of the lifting clamp core (12) is pasted to the inner wall of the lifting clamp body (11).