Connecting rod mechanism of movable arm of jaw crusher
By designing the connecting rod mechanism of the jaw crusher arm, the coordination of positioning blocks, protective covers and bolts is used to prevent dust or debris from entering the gap between the shaft and the front elbow, the problem of dust or debris accumulation during equipment operation is solved and maintenance operations are simplified.
Patent Information
- Application Number
- CN202420695407.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-07
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-07
AI Technical Summary
In existing jaw crushers, the gap between the shaft and the front elbow plate provided on the boom is prone to accumulate dust or debris, affecting the operation of the equipment.
A connecting rod mechanism of a jaw crusher arm is designed, which blocks and protects the feeding direction of the second rotating shaft and the front elbow plate by cooperating with each other, and prevents dust or debris from entering the gap. In addition, through the mutual cooperation of threaded columns and thread grooves, the shaft can be easily disassembled and simplified maintenance.
Effectively prevent dust or debris from entering the gap between the rotating shaft and the front elbow, ensure normal movement of the front elbow, improve equipment operation efficiency, and simplify maintenance operations.
Smart Images
Figure CN222606461U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of jaw crushers, and in particular relates to a connecting rod mechanism of a boom of a jaw crusher. Background Art
[0002] Jaw crusher, commonly known as jaw crusher or tiger mouth, is a crushing equipment widely used in mining and smelting, building materials, highway, railway, water conservancy and chemical industries.
[0003] Simple swing jaw crusher is also a kind of jaw crusher. The connecting rod mechanism arranged inside the equipment can drive the movable arm to move, so as to cooperate with the static arm in the equipment to complete the crushing operation. The front elbow plate at the bottom of the connecting rod mechanism is generally connected to the movable arm through a rotating shaft. When the front elbow plate is driven by the connecting rod to move, it will rotate on the rotating shaft, thereby driving the movable arm to move through the rotating shaft. In this way, the rotating shaft connected to the front elbow plate on the movable arm will be closer to the feed port. In this way, dust or debris will easily penetrate in during the crushing process, resulting in dust or debris easily accumulating in the gap between the rotating shaft set on the movable arm and the front elbow plate, affecting the movement of the front elbow plate on the rotating shaft, thereby affecting the operation of the equipment.
[0004] Therefore, the utility model provides a connecting rod mechanism for a jaw crusher boom to solve the above problems. Utility Model Content
[0005] The utility model aims to provide a connecting rod mechanism for a movable boom of a jaw crusher, aiming to solve the problem in the prior art that dust or debris is easily accumulated in the gap between a rotating shaft arranged on the movable boom and a front toggle plate.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a connecting rod mechanism of a jaw crusher boom, comprising a shell, characterized in that: a pulley is connected to the outer surface of the shell, one end of the pulley is connected to an eccentric shaft, one end of the eccentric shaft is connected to a connecting rod part, a front end surface of one side at the bottom end of the connecting rod part is connected to a rear elbow plate, the front end surface of the rear elbow plate is penetrated and connected to a first rotating shaft, and the rear end surface of the other end of the rear elbow plate is connected to a fixing block, and the front end surface of the other end of the rear elbow plate is penetrated and connected to a second rotating shaft, the front end surface of the other side of the bottom end of the connecting rod part is connected to a front elbow plate, the rear end surface of the other end of the front elbow plate is connected to a boom, a positioning groove is provided on the front end surface of the boom, a positioning block is connected on the inner surface of the positioning groove, a protective cover is connected on the front end surface of the positioning block, and a bolt is penetrated and connected on the front end surface of the positioning block, one end of the bolt extends into a fixing hole provided on the bottom surface of the positioning groove, and one end surface of the first rotating shaft and the second rotating shaft are connected to a threaded column, and one end of the threaded column extends into the threaded groove.
[0007] In order to realize the installation of the first rotating shaft and the second rotating shaft, as a preferred connecting rod mechanism of the movable arm of a jaw crusher of the utility model, the connecting rod part, the fixing block and the front end surface of the movable arm are all provided with thread grooves.
[0008] In order to realize that the front toggle plate can be driven by the connecting rod part and thus drive the boom, as a preferred connecting rod mechanism of the boom of a jaw crusher in the utility model, one end of the front toggle plate is connected with the first rotating shaft through, and the other end of the front toggle plate is connected with the second rotating shaft through.
[0009] In order to place the protective cover, as a preferred connecting rod mechanism of the movable arm of a jaw crusher of the utility model, the positioning block is slidably connected to the movable arm through the positioning groove.
[0010] In order to fix the position of the protective cover, as a preferred embodiment of the connecting rod mechanism of the jaw crusher boom of the utility model, the bolt passes through the positioning block and the fixing hole to form a threaded connection.
[0011] In order to realize the threaded connection between the first rotating shaft and the second rotating shaft at one end and the connecting rod part through the threaded groove, the threaded column connected to one end of the second rotating shaft is threadedly connected to the fixed block or the movable arm through the threaded groove.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The utility model uses the mutual cooperation among the positioning block, the positioning groove, the protective cover and the bolts, so that the second rotating shaft connected to the movable arm and the front end of the front toggle plate are shielded and protected by the protective cover, so that dust or debris penetrating into the shell from the feed inlet direction is not easy to enter the gap formed between the second rotating shaft and the front toggle plate, thereby ensuring the activity effect of the front toggle plate on the second rotating shaft.
[0014] 2. The utility model uses the mutual cooperation between the threaded column and the threaded groove to enable the first rotating shaft and the second rotating shaft to be disassembled by twisting, avoiding fixation by welding, so that the operator can easily disassemble and maintain the rear elbow plate and the front elbow plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0016] Figure 1 It is a schematic diagram of a partial three-dimensional structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the local explosion structure of the protective cover of the utility model;
[0018] Figure 3 This is a schematic diagram of the partial explosion structure at the rotating shaft of the utility model;
[0019] Figure 4 It is a schematic diagram of the local structure of the threaded column of the utility model.
[0020] In the figure: 1. housing; 2. pulley; 3. eccentric shaft; 4. connecting rod; 5. rear elbow plate; 6. first rotating shaft; 7. fixing block; 8. second rotating shaft; 9. front elbow plate; 10. boom; 11. positioning groove; 12. positioning block; 13. protective cover; 14. bolt; 15. fixing hole; 16. threaded column; 17. threaded groove. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-Figure 4 The utility model provides the following technical solutions: a connecting rod mechanism of a jaw crusher boom, comprising a shell 1, a pulley 2 is connected to the outer surface of the shell 1, an eccentric shaft 3 is connected to one end of the pulley 2, a connecting rod 4 is sleeved at one end of the eccentric shaft 3, a rear toggle plate 5 is connected to the front end surface of one side of the bottom end of the connecting rod 4, a first rotating shaft 6 is penetrated and connected to the front end surface of the rear toggle plate 5, and a fixing block 7 is connected to the rear end surface of the other end of the rear toggle plate 5, and a second rotating shaft 8 is penetrated and connected to the front end surface of the other end of the rear toggle plate 5, and the other end of the connecting rod 4 is penetrated and connected to the front end surface of the other end of the rear toggle plate 5. The front end surface is connected to a front elbow plate 9, and the rear end surface of the other end of the front elbow plate 9 is connected to a boom 10. A positioning groove 11 is provided on the front end surface of the boom 10, and a positioning block 12 is connected to the inner surface of the positioning groove 11. A protective cover 13 is connected to the front end surface of the positioning block 12, and a bolt 14 is penetrated and connected to the front end surface of the positioning block 12, and one end of the bolt 14 extends into a fixing hole 15 provided on the bottom surface of the positioning groove 11. A threaded column 16 is connected to one end surface of the first rotating shaft 6 and the second rotating shaft 8, and one end of the threaded column 16 extends into the threaded groove 17.
[0023] Preferably, the connecting rod portion 4 , the fixing block 7 and the front end surface of the movable arm 10 are all provided with a thread groove 17 .
[0024] During specific use, the connecting rod portion 4 , the fixing block 7 and the movable arm 10 are all provided with thread grooves 17 , so that the threaded column 16 can be screwed into the thread grooves 17 .
[0025] Preferably, one end of the front toggle plate 9 is connected through the first rotating shaft 6 , and the other end of the front toggle plate 9 is connected through the second rotating shaft 8 .
[0026] During specific use, one end of the front toggle plate 9 is connected to the connecting rod portion 4 through the first rotating shaft 6 , and the other end of the front toggle plate 9 is connected to the boom 10 through the second rotating shaft 8 .
[0027] Preferably, the positioning block 12 is slidably connected to the boom 10 through the positioning groove 11 , and the bolt 14 is threadedly connected to the fixing hole 15 by penetrating the positioning block 12 .
[0028] When in use, the protective cover 13 can be fixed on the boom 10 by sliding the positioning block 12 into the positioning groove 11 and then passing the bolt 14 through the positioning block 12 and screwing it into the fixing hole 15 .
[0029] Preferably, the threaded column 16 connected to one end of the first rotating shaft 6 is threadedly connected to the connecting rod 4 through the threaded groove 17, and the threaded column 16 connected to one end of the second rotating shaft 8 is threadedly connected to the fixed block 7 or the movable arm 10 through the threaded groove 17.
[0030] During specific use, the threaded column 16 can be screwed into the threaded groove 17 to fix the first rotating shaft 6 at the bottom end of the connecting rod part 4 , and the second rotating shaft 8 will be fixed on the fixed block 7 or the movable arm 10 .
[0031] Working principle: when the connecting rod mechanism of the movable arm of the jaw crusher is used, the motor at the other end of the pulley 2 is driven by the belt, which will drive the eccentric shaft 3 to rotate, so that the biased part of the eccentric shaft 3 drives the connecting rod part 4 to swing, so that the connecting rod part 4 will drive the front elbow plate 9 and the rear elbow plate 5 to move on the first rotating shaft 6 and the second rotating shaft 8 while swinging, and then drive the movable arm 10 to move, so that the movable arm 10 cooperates with the static arm to crush the objects in the feed port. When the objects in the feed port are crushed, some dust or debris may enter the shell 1 through the gap, and the second rotating shaft 8 on the movable arm 10 is the closest to the feed port, so the gap formed between the second rotating shaft 8 and the front elbow plate 9 is easy to accumulate with dust or debris, resulting in affecting the movement of the front elbow plate 9. At this time, by fixing the rear end of the protective cover 13 The positioning block 12 is slidably placed in the positioning groove 11, and then the bolt 14 is passed through the positioning block 12 and screwed into the fixing hole 15, so that the position of the protective cover 13 can be fixed on the boom 10, thereby protecting and shielding the second rotating shaft 8 and one end of the front elbow plate 9 to prevent dust or debris from easily accumulating in the gap formed between the second rotating shaft 8 and the front elbow plate 9, and the groove opened on one side of the protective cover 13 meets the activity trajectory of the front elbow plate 9 and will not affect the normal activity of the front elbow plate 9. Secondly, the threaded column 16 is twisted to separate the threaded column 16 from the threaded groove 17, so that the operator can remove the first rotating shaft 6 or the second rotating shaft 8, so that the operator can easily remove the rear elbow plate 5 or the front elbow plate 9 for maintenance, avoiding the first rotating shaft 6 and the second rotating shaft 8 being fixed by welding, which makes it difficult to remove the rear elbow plate 5 or the front elbow plate 9.
[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A connecting rod mechanism for a jaw crusher boom, comprising a housing (1), characterized in that: The outer surface of the housing (1) is connected to a pulley (2), one end of the pulley (2) is connected to an eccentric shaft (3), one end of the eccentric shaft (3) is connected to a connecting rod (4), a front end surface on one side of the bottom end of the connecting rod (4) is connected to a rear elbow plate (5), a front end surface of the rear elbow plate (5) is connected to a first rotating shaft (6), a rear end surface of the other end of the rear elbow plate (5) is connected to a fixing block (7), a front end surface of the other end of the rear elbow plate (5) is connected to a second rotating shaft (8), a front end surface on the other side of the bottom end of the connecting rod (4) is connected to a front elbow plate (9), and the front elbow plate (9) is connected to a first rotating shaft (6). A movable arm (10) is connected to the rear end surface of one end, a positioning groove (11) is provided on the front end surface of the movable arm (10), a positioning block (12) is connected to the inner surface of the positioning groove (11), a protective cover (13) is connected to the front end surface of the positioning block (12), and a bolt (14) is passed through the front end surface of the positioning block (12), one end of the bolt (14) extends into a fixing hole (15) provided on the bottom surface of the positioning groove (11), and a threaded column (16) is connected to one end surface of the first rotating shaft (6) and the second rotating shaft (8), one end of the threaded column (16) extends into the threaded groove (17).
2. The connecting rod mechanism of the jaw crusher boom according to claim 1, characterized in that: The front end surfaces of the connecting rod portion (4), the fixing block (7) and the movable arm (10) are all provided with thread grooves (17).
3. The connecting rod mechanism of the jaw crusher boom according to claim 1, characterized in that: One end of the front toggle plate (9) is connected through a first rotating shaft (6), and the other end of the front toggle plate (9) is connected through a second rotating shaft (8).
4. The connecting rod mechanism of the jaw crusher boom according to claim 1, characterized in that: The positioning block (12) is slidably connected to the movable arm (10) via the positioning groove (11).
5. The connecting rod mechanism of the jaw crusher boom according to claim 1, characterized in that: The bolt (14) penetrates the positioning block (12) and forms a threaded connection with the fixing hole (15).
6. The connecting rod mechanism of the jaw crusher boom according to claim 1, characterized in that: The threaded column (16) connected to one end of the first rotating shaft (6) is threadedly connected to the connecting rod portion (4) via a threaded groove (17), and the threaded column (16) connected to one end of the second rotating shaft (8) is threadedly connected to the fixed block (7) or the movable arm (10) via the threaded groove (17).