Speed reducer with buffer protection structure for crusher
By designing a buffer protection component and a servo motor transmission system on the reducer of the crusher, the problem of reducer damage caused by external objects is solved, and the protection of the reducer and space optimization are achieved.
Patent Information
- Application Number
- CN202423220646.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-26
AI Technical Summary
When a crusher's speed reducer is working in a mining area, external objects such as gravel can directly hit the speed reducer, causing damage or breakage. Existing technology has not been able to effectively protect the speed reducer.
A buffer protection structure was designed, including a buffer protection component. It uses compression springs and guide blocks to buffer the impact force of external objects, and combines a servo motor and transmission gears to reduce the speed and increase the torque to protect the reducer.
It effectively buffers the impact of external objects, reduces damage to the speed reducer, improves the protection effect, and at the same time reduces space occupation and enhances ease of use.
Smart Images
Figure CN223447607U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of speed reducer, concretely to a speed reducer with buffer protection structure for pulverizer. BACKGROUND
[0002] Speed reducer for pulverizer is a kind of speed reducer for being used in pulverizer, usually used to reduce the speed of motor and increase output torque, so that the pulverizer can work efficiently at lower speed, meet specific process requirements. Pulverizer is widely used in mining, chemical industry, building materials, food industry, for crushing and refining of materials, and the role of speed reducer is crucial.
[0003] At present, the speed reducer for pulverizer exists when working in mining area, and the stone from high place falls, the stone from high place directly hits the speed reducer, so that the speed reducer is hit by the stone and is damaged, and in serious cases, the speed reducer is damaged.
[0004] Therefore, we propose a speed reducer with buffer protection structure for pulverizer to solve the above problems. UTILITY MODEL
[0005] In view of the deficiencies of the prior art, the utility model provides a speed reducer with buffer protection structure for pulverizer, which solves the problems raised in the background.
[0006] The utility model discloses a kind of speed reducers with buffer protection structure for pulverizer to solve the above problems, and the specific technical scheme adopted is as follows:
[0007] A kind of speed reducer with buffer protection structure for pulverizer, including speed reducer body, the side of the speed reducer body is provided with servo motor, the output end of the servo motor is butt joint with speed reducer body, the upper end surface of the speed reducer body is provided with buffer protection component, the buffer protection component is used to prevent external object from directly falling on speed reducer body and cause damage to speed reducer body, and in serious cases, speed reducer body is damaged.
[0008] Further, the buffer protection component includes a connecting box body fixedly arranged on the upper end surface of the speed reducer body, the upper end surface of the connecting box body is provided with a containing groove, two groups of extrusion springs are arranged inside the containing groove, and the two groups of extrusion springs are respectively fixedly connected to the two wall surfaces inside the containing groove, and the positions of the two groups of extrusion springs correspond to each other, and each group of extrusion springs comprises a plurality of extrusion springs.
[0009] Further, two extrusion plates are arranged inside the containing groove, one end of the two groups of extrusion springs is respectively fixedly connected to the two extrusion plates, the two extrusion plates are both inclined plates, and the distance between the two extrusion plates decreases from top to bottom.
[0010] Further, the upper part of the connecting box is provided with a buffer protection baffle, the lower end surface of the buffer protection baffle is fixedly provided with a guide block, the guide block is inserted into the accommodating groove on the connecting box, the cross section of the guide block is isosceles trapezoidal, the length of the guide block decreases from top to bottom, the two ends of the guide block inserted into the accommodating groove are respectively located on the two extrusion plates in the accommodating groove, the upper end surface of the buffer protection baffle is provided with a groove, a protection plate is rotatably arranged in the groove, and a handle knob is fixedly arranged on the upper end surface of the protection plate.
[0011] Further, the reducer body comprises an upper shell and a lower shell, the upper shell and the lower shell are connected through bolts, and an accommodating cavity is formed between the upper shell and the lower shell.
[0012] Further, the accommodating cavity is rotatably provided with a transmission gear and a reduction gear, the transmission gear and the reduction gear are meshed with each other, the output end of the servo motor is connected with the transmission gear, and an output shaft is fixedly arranged on the reduction gear and penetrates through the upper shell and the lower shell.
[0013] Further, the inclined surfaces of the two extrusion plates are parallel to the two inclined surfaces of the guide block, the position of the protection plate corresponds to that of the servo motor, and the lower end surface of the servo motor is fixedly provided with a support frame.
[0014] Compared with the prior art, the reducer for the pulverizer with the buffer protection structure has the following beneficial effects:
[0015] The buffer protection assembly can not only avoid that external objects directly hit the reducer body and cause damage to the reducer body, and even damage to the reducer body in serious cases, but also can buffer the inertia and impact force of the falling external objects, so that the inertia and impact force of the falling external objects can be reduced to cause damage to the reducer body, thereby improving the protection effect of the reducer body. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a first perspective view of the overall structure of the utility model;
[0017] Figure 2 It is a second perspective view of the overall structure of the utility model;
[0018] Figure 3 It is an exploded view of the buffer protection assembly of the utility model;
[0019] Figure 4 The utility model discloses a speed reducer body sectional view.
[0020] In the figure: 1, speed reducer body;11, upper shell;12, lower shell;13, transmission gear;14, reduction gear;15, output shaft;2, servo motor;3, buffer protection assembly;31, interface box;32, containing groove;33, extrusion spring;34, extrusion plate;35, buffer protection baffle;36, guide block;37, recess;38, guard plate;39, handle knob;4, support frame. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work belong to the range of protection of the utility model. EMBODIMENT
[0022] As Figures 1-4 shown, an embodiment of the utility model provides a speed reducer with buffer protection structure for grinder, including speed reducer body 1, the one side of speed reducer body 1 is provided with servo motor 2, the output end of servo motor 2 is butt jointed with speed reducer body 1, the upper end surface of speed reducer body 1 is provided with buffer protection assembly 3, buffer protection assembly 3 is used for preventing the direct falling of outside things on speed reducer body 1 and causing damage to speed reducer body 1, and the situation is serious and can also appear speed reducer body 1 damage.
[0023] As Figure 3As shown, the buffer protection assembly 3 includes a connecting box 31 fixedly arranged on the upper end face of the speed reducer body 1, the upper end face of the connecting box 31 is provided with a containing groove 32, the inner side of the containing groove 32 is provided with two groups of extrusion springs 33, the two groups of extrusion springs 33 are respectively fixedly connected to the two wall surfaces on the inner side of the containing groove 32, and the positions of the two groups of extrusion springs 33 correspond to each other, and each group of extrusion springs 33 is a plurality of extrusion springs. The inner side of the containing groove 32 is provided with two extrusion plates 34, one end of each group of extrusion springs 33 is fixedly connected with the two extrusion plates 34, the two extrusion plates 34 are both inclined plates, and the distance between the two extrusion plates 34 decreases from top to bottom. The upper side of the connecting box 31 is provided with a buffer protection baffle 35, the lower end face of the buffer protection baffle 35 is fixedly provided with a guide block 36, the guide block 36 is inserted into the containing groove 32 on the connecting box 31, the cross section of the guide block 36 is isosceles trapezoidal, the length of the guide block 36 decreases from top to bottom, and the two ends of the guide block 36 inserted into the containing groove 32 are respectively arranged on the two extrusion plates 34 in the containing groove 32, the upper end face of the buffer protection baffle 35 is provided with a groove 37, the groove 37 is rotatably provided with a protection plate 38, and the upper end face of the protection plate 38 is fixedly provided with a handle knob 39.
[0024] The setting of the buffer protection assembly 3 can not only avoid the damage of the speed reducer body 1 caused by the direct impact of external objects on the speed reducer body 1, but also can buffer the inertia and impact force of the falling external objects, so as to reduce the damage of the inertia and impact force of the falling external objects to the speed reducer body 1, thereby improving the protection effect of the speed reducer body 1. In addition, the two groups of extrusion springs 33 arranged left and right can reduce the vertical space occupied by the vertical arrangement of the extrusion springs 33, thereby effectively reducing the space occupied by the buffer protection assembly 3, and making the buffer protection assembly 3 more compact and convenient to use.
[0025] As shown in Figure 4 The speed reducer body 1 includes an upper shell 11 and a lower shell 12, the upper shell 11 and the lower shell 12 are connected by bolts, and a containing cavity is formed between the upper shell 11 and the lower shell 12. The containing cavity is rotatably provided with a transmission gear 13 and a reduction gear 14, the transmission gear 13 and the reduction gear 14 are engaged with each other, the output end of the servo motor 2 is connected with the transmission gear 13, and the reduction gear 14 is fixedly provided with an output shaft 15, one end of the output shaft 15 penetrates through the upper shell 11 and the lower shell 12.
[0026] The mutual cooperation of the transmission gear 13 and the reduction gear 14 can reduce the rotating speed of the servo motor 2, thereby increasing the output torque of the servo motor 2, and further enabling the pulverizer to work efficiently at a low rotating speed, meeting the specific process requirements, and the output shaft 15 is arranged to transmit the kinetic energy with the reduced rotating speed to the pulverizer, thereby providing the pulverizer with the pulverizing kinetic energy.
[0027] The inclined surfaces of the two extrusion plates 34 are parallel to the two inclined surfaces of the guide block 36, the protective plate 38 corresponds to the position of the servo motor 2, and the lower end surface of the servo motor 2 is fixedly provided with the support frame 4.
[0028] The utility model discloses a working principle:
[0029] When the external object falls and hits the speed reducer body 1, the external object will first fall on the upper end surface of the buffer protection baffle 35, if the weight of the external object is small and the falling height is low, the buffer protection baffle 35 will directly block the external object above the speed reducer body 1, if the weight of the external object is large and the falling height is high, the buffer protection baffle 35 is subjected to a larger external force, and the buffer protection baffle 35 will move to the bottom end inside the accommodating groove 32 of the upper end surface of the connected box body 31 through the guide block 36 when subjected to a larger force, the movement of the guide block 36 will extrude the two extrusion plates 34 inside the accommodating groove 32, the extrusion plates 34 are extruded by the extrusion spring 33 inside the accommodating groove 32, and the extrusion spring 33 is contracted under stress, so as to alleviate the inertia and impact force of the external object falling on the buffer protection baffle 35, thereby reducing the damage of the falling external object to the speed reducer body 1, if it is necessary to protect the servo motor 2 on one side of the speed reducer body 1, the handle knob 39 is held, and then the protective plate 38 is turned over, when the protective plate 38 is turned over by one hundred and eighty degrees, the protective plate 38 is located above the servo motor 2, thereby playing a protective role on the servo motor 2.
[0030] Finally, it should be noted that: the above only for preferred embodiment of the utility model has been described, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A reducer for a pulverizer with a buffer protection structure, comprising a reducer body (1), characterized in that: A servo motor (2) is provided on one side of the reducer body (1), and the output end of the servo motor (2) is connected to the reducer body (1). A buffer protection component (3) is provided on the upper end surface of the reducer body (1). The buffer protection component (3) is used to prevent foreign objects from directly falling on the reducer body (1) and causing damage to the reducer body (1). In serious cases, the reducer body (1) may be damaged. The buffer protection component (3) includes a connecting box (31) fixedly provided on the upper end surface of the reducer body (1). The upper end surface of the connecting box (31) is provided with a receiving groove (32). Two groups of extrusion springs (33) are provided inside the receiving groove (32). The two groups of extrusion springs (33) are respectively fixedly connected to the two wall surfaces inside the receiving groove (32), and the positions of the two groups of extrusion springs (33) correspond to each other. Each group of extrusion springs (33) is a plurality of extrusion springs. Two extrusion plates (34) are provided inside the receiving groove (32). One end of the two groups of extrusion springs (33) is fixedly connected to the two extrusion plates (34), and the two extrusion plates (34) are inclined plates. The distance between the two extrusion plates (34) decreases from top to bottom. A buffer protection baffle (35) is provided above the connecting box (31). A guide block (36) is fixedly provided on the lower end surface of the buffer protection baffle (35). The guide block (36) is inserted into the receiving groove (32) on the connecting box (31). The cross section of the guide block (36) is an isosceles trapezoid, and the length of the guide block (36) decreases from top to bottom. The two ends of the guide block (36) inserted in the accommodating groove (32) are respectively placed on the two extrusion plates (34) in the accommodating groove (32). The upper end surface of the buffer protection baffle (35) is provided with a groove (37), and a protective plate (38) is rotatably arranged in the groove (37). A handle (39) is fixedly provided on the upper end surface of the protective plate (38).
2. The reducer for a pulverizer with a buffer protection structure according to claim 1, characterized in that: The reducer body (1) comprises an upper shell (11) and a lower shell (12); the upper shell (11) and the lower shell (12) are connected by bolts; and an accommodating cavity is formed between the upper shell (11) and the lower shell (12).
3. The reducer for a pulverizer with a buffer protection structure according to claim 2, characterized in that: A transmission gear (13) and a reduction gear (14) are rotatably arranged in the accommodating cavity. The transmission gear (13) and the reduction gear (14) are meshed with each other. The output end of the servo motor (2) is connected to the transmission gear (13). An output shaft (15) is fixedly arranged on the reduction gear (14). One end of the output shaft (15) passes through the upper shell (11) and the lower shell (12).
4. The reducer for a pulverizer with a buffer protection structure according to claim 3, characterized in that: The inclined surfaces of the two extrusion plates (34) and the two inclined surfaces of the guide block (36) are parallel to each other, the positions of the protective plate (38) and the servo motor (2) correspond to each other, and a support frame (4) is fixedly provided on the lower end surface of the servo motor (2).