Hydraulic clay gun slewing mechanism capable of disassembling hydraulic cylinder on line
By using bolted connections and copper alloy bushings in the hydraulic mud gun rotary mechanism, online disassembly of the hydraulic cylinder is achieved, solving the problem of the inability to disassemble the hydraulic cylinder online, improving maintenance efficiency and reducing maintenance costs.
Patent Information
- Application Number
- CN202520092949.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-01-15
AI Technical Summary
The hydraulic cylinders of the existing hydraulic mud cannon rotary mechanism cannot be disassembled online, making replacement difficult, time-consuming, and labor-intensive, which affects production efficiency and cost.
The hydraulic cylinder clamping plate and the slewing arm housing are connected by bolts, and a copper alloy bushing is used to realize the online disassembly and installation of the hydraulic cylinder. The disassembly process is simplified by the cooperation of the trunnion hole and the threaded hole.
It enables convenient online disassembly of hydraulic cylinders, reducing maintenance time and costs and improving production efficiency.
Smart Images

Figure CN223868278U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of hydraulic clay gun rotary mechanism, and particularly relates to a hydraulic clay gun rotary mechanism with detachable hydraulic cylinder. BACKGROUND
[0002] The rotary oil cylinder of the hydraulic clay gun rotary mechanism of the furnace front equipment is inside the rotary arm, and when the oil cylinder leaks internally or externally, the oil cylinder cannot be replaced, and the rotary mechanism can only be replaced as a whole or the original body of the rotary mechanism is broken to take out the hydraulic cylinder online, which is very troublesome, and the replacement time is as long as more than 8 hours, and the repair cost is also increased.
[0003] Due to the special production environment of the blast furnace of the ironworks, the product quality and the online service life of the hydraulic clay gun rotary mechanism are very important, the hydraulic cylinder inside the rotary arm is the main part of the whole rotary mechanism and is also the driving part of the whole equipment. Since it is often subjected to high temperature, the internal sealing element of the hydraulic cylinder is often damaged online to cause internal or external leakage of the oil cylinder, so that the whole hydraulic clay gun rotary mechanism is replaced online, which is very troublesome and inconvenient. SUMMARY
[0004] The technical problem to be solved by the utility model is to provide a hydraulic clay gun rotary mechanism with detachable hydraulic cylinder, which is more convenient to detach and install the hydraulic cylinder online.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A rotary mechanism with detachable hydraulic cylinder, comprising a rotary arm box body, a connecting plate, a connecting rod, a rotary support and a hydraulic cylinder are arranged inside the rotary arm box body, the movable rod of the hydraulic cylinder is hinged to the connecting plate, the middle part and the outer end of the connecting plate are hinged to the connecting rod and the rotary support respectively, the head part side of the rotary arm box body is provided with an opening, the outer surface of the box body at the opening is connected to a hydraulic cylinder clamping plate through locking bolts, an ear shaft hole is formed between the hydraulic cylinder clamping plate and the rotary arm box body, and the rear end of the cylinder body of the hydraulic cylinder is movably connected to the ear shaft hole through an ear shaft.
[0007] The outer surface of the box body at the opening of the rotary arm box body is provided with an ear shaft half hole one, and the hydraulic cylinder clamping plate is provided with an ear shaft half hole two which is circular with the ear shaft half hole one.
[0008] A copper alloy shaft sleeve is arranged between the ear shaft hole and the ear shaft.
[0009] The hydraulic cylinder clamping plate is provided with a through screw hole, the outer surface of the rotary arm box body at the opening is provided with a screw hole in correspondence, and the locking bolts are screw-connected with the screw holes in the hydraulic cylinder clamping plate and the rotary arm box body at the opening.
[0010] Compared with the prior art, the utility model has the advantages of:
[0011] The utility model discloses hydraulic cylinder clamp plate adopts bolt and hydraulic cylinder dismounting connection, and it is more convenient to dismount and install hydraulic cylinder on line.
[0012] The trunnion is installed with a copper alloy shaft sleeve, avoiding direct wear of the pin shaft and the rotary arm box installation place, and avoiding the damage of the installation cylinder joint bearing caused by poor lubrication. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the structure schematic diagram of the utility model.
[0014] Figure 2 It is the structure schematic diagram of the rotary arm box.
[0015] Figure 3 It is the side view of the rotary arm box.
[0016] Figure 4 It is the trunnion connection schematic diagram.
[0017] Figure 5 It is the schematic diagram of the hydraulic cylinder clamp plate.
[0018] In the drawing: rotary arm box 1, connecting plate 2, connecting rod 3, rotary support 4, hydraulic cylinder 5, locking bolt 7, hydraulic cylinder clamp plate 6, trunnion hole 8, trunnion 9, trunnion half hole one 10, trunnion half hole two 11, copper alloy shaft sleeve 12. DETAILED DESCRIPTION
[0019] In the description of the utility model, it is understood that the terms "first", "second" and the like are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first", "second" and the like can be explicitly or implicitly included one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0020] Unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.
[0021] As Figures 1-5A hydraulic cylinder detachable rotary mechanism in line, comprising a rotary arm box 1, the rotary arm box 1 inside is equipped with connecting plate 2, connecting rod 3, rotary support 4, hydraulic cylinder 5, the movable rod of hydraulic cylinder 5 is hinged connecting plate 2, the middle part and the outer end of connecting plate 2 are hinged with connecting rod 3 and rotary support 4 respectively, the head side of rotary arm box 1 is equipped with opening, the outer surface of the box at the opening is connected with hydraulic cylinder clamping plate 6 through locking bolt 7, the ear shaft hole 8 is formed between hydraulic cylinder clamping plate 6 and rotary arm box 1, the rear end of the cylinder body of hydraulic cylinder 5 is movably connected with ear shaft hole 8 through ear shaft 9.
[0022] The outer surface of the box at the opening of the rotary arm box 1 is equipped with ear shaft half hole one 10, and the ear shaft half hole two 11 matched with the ear shaft half hole one 10 is arranged on the hydraulic cylinder clamping plate 6.
[0023] The copper alloy sleeve 12 is arranged between the ear shaft hole 8 and the ear shaft 9, so that damage of the joint bearing of the hydraulic cylinder caused by poor lubrication is avoided.
[0024] The hydraulic cylinder clamping plate 6 is internally provided with a through threaded hole, the outer surface of the rotary arm box 1 at the opening is correspondingly provided with a threaded hole, and the locking bolt 7 is screw-connected with the threaded hole in the hydraulic cylinder clamping plate 6 and the threaded hole at the opening of the rotary arm box 1.
[0025] In order to make the purpose, technical scheme and technical effect of the utility model more clear, the technical scheme in the embodiment of the utility model is clearly and completely described. However, the following described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Combined with the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.
[0026] Embodiment 1:
[0027] A hydraulic cylinder detachable rotary mechanism in line, comprising a rotary arm box 1, the rotary arm box 1 inside is equipped with connecting plate 2, connecting rod 3, rotary support 4, hydraulic cylinder 5, the movable rod of hydraulic cylinder 5 is hinged connecting plate 2, the middle part and the outer end of connecting plate 2 are hinged with connecting rod 3 and rotary support 4 respectively.
[0028] The head side of the rotary arm box 1 is provided with an opening, the outer surface of the box at the opening is connected with the hydraulic cylinder clamping plate 6 through locking bolts 7, the outer surface of the box at the opening of the rotary arm box 1 is provided with a trunnion half hole one 10, and the hydraulic cylinder clamping plate 6 is provided with a trunnion half hole two 11 which is matched therewith. The trunnion hole 8 is formed between the hydraulic cylinder clamping plate 6 and the rotary arm box 1, the inside of the hydraulic cylinder clamping plate 6 is provided with a through threaded hole, the outer surface at the opening of the rotary arm box 1 is correspondingly provided with a threaded hole, and the locking bolts 7 are screwed with the threaded hole in the inside of the hydraulic cylinder clamping plate 6 and the threaded hole at the opening. The rear end of the cylinder body of the hydraulic cylinder 5 is movably connected with the trunnion hole 8 through a trunnion 9.
[0029] Embodiment 2
[0030] A rotary mechanism with detachable hydraulic cylinder, comprising a rotary arm box 1, the inside of the rotary arm box 1 is provided with a connecting plate 2, a connecting rod 3, a rotary support 4 and a hydraulic cylinder 5, the movable rod of the hydraulic cylinder 5 is hinged to the connecting plate 2, the middle part and the outer end of the connecting plate 2 are respectively hinged to the connecting rod 3 and the rotary support 4.
[0031] The head side of the rotary arm box 1 is provided with an opening, the outer surface of the box at the opening is connected with the hydraulic cylinder clamping plate 6 through locking bolts 7, the outer surface of the box at the opening of the rotary arm box 1 is provided with a trunnion half hole one 10, and the hydraulic cylinder clamping plate 6 is provided with a trunnion half hole two 11 which is matched therewith. The trunnion hole 8 is formed between the hydraulic cylinder clamping plate 6 and the rotary arm box 1, the inside of the hydraulic cylinder clamping plate 6 is provided with a through threaded hole, the outer surface at the opening of the rotary arm box 1 is correspondingly provided with a threaded hole, and the locking bolts 7 are screwed with the threaded hole in the inside of the hydraulic cylinder clamping plate 6 and the threaded hole at the opening. The rear end of the cylinder body of the hydraulic cylinder 5 is movably connected with the trunnion hole 8 through a trunnion 9. A copper alloy sleeve 12 is arranged between the trunnion hole 8 and the trunnion 9.
[0032] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and essential characteristics of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A hydraulic mud gun rotary mechanism with an online detachable hydraulic cylinder, characterized in that, The device includes a slewing boom housing, which contains a connecting plate, connecting rod, slewing support, and hydraulic cylinder. The movable rod of the hydraulic cylinder is hinged to the connecting plate. The middle and outer ends of the connecting plate are respectively hinged to the connecting rod and the slewing support. The head side of the slewing boom housing has an opening. The outer surface of the housing at the opening is connected to the hydraulic cylinder clamping plate by locking bolts. A trunnion hole is formed between the hydraulic cylinder clamping plate and the slewing boom housing. The rear end of the hydraulic cylinder body is movably connected to the trunnion hole through a trunnion.
2. The hydraulic mud gun rotary mechanism with an online detachable hydraulic cylinder according to claim 1, characterized in that, The outer surface of the rotary arm housing is provided with a trunnion half-hole one at the opening, and a trunnion half-hole two that forms a circle with it is provided on the pressure cylinder clamp plate.
3. The hydraulic mud gun rotary mechanism with an online detachable hydraulic cylinder according to claim 1, characterized in that, A copper alloy bushing is provided between the trunnion hole and the trunnion.
4. The hydraulic mud gun rotary mechanism with an online detachable hydraulic cylinder according to claim 1, characterized in that, The hydraulic cylinder clamp plate has a through threaded hole inside, and the outer surface of the opening of the rotary arm housing has a corresponding threaded hole. The locking bolt is screwed into the threaded hole inside the hydraulic cylinder clamp plate and the threaded hole at the opening of the rotary arm housing.