Crusher grate plate connecting structure convenient to replace
Through the combined design of the main body and auxiliary mechanism, the problems of stability and inconvenience in replacing the grate plate of the hammer crusher during high-speed operation are solved, and the convenient replacement of the grate plate and the improvement of the stability and sealing of the equipment are achieved.
Patent Information
- Application Number
- CN202422618826.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-10-29
AI Technical Summary
When the existing hammer crusher is running at high speed, the stability of the grate plate may be affected, and there is a problem that the grate plate is inconvenient to replace.
It adopts a combined design of main mechanism and auxiliary mechanism, including machine body, feed cover, transmission motor, collecting bin, crushing hammer, grate plate body, support frame, embedded block, embedded groove, telescopic shaft, fixed shaft and buffer spring and other components. The coordination of telescopic shaft and buffer spring enables convenient replacement of grate plate, and the sealing plate and sound insulation board are used to improve the stability and sealing of the structure.
The grate plate can be easily replaced, the stability and sealing of the structure are improved, the noise of the equipment during operation is reduced, and the practicability of the crusher is improved.
Smart Images

Figure CN223405028U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crusher grate plate installation, in particular to a crusher grate plate connection structure which is easy to replace. Background Art
[0002] Hammer crushers have the advantages of large crushing ratio, uniform discharge particle size, less over-crushed materials and low energy consumption. However, due to the rapid wear of the hammer head, their application in crushing hard materials is limited. In addition, since the grate bars are prone to clogging, they are not suitable for crushing materials with high humidity and clay. This type of crusher is usually used to crush brittle materials with medium hardness or below, such as limestone, shale, coal, gypsum, chalk, etc.
[0003] Existing patent CN215464807U, a hammer crusher, proposes that the rotor assembly of the utility model is connected to the lower frame assembly via a bearing seat assembly and bolts, the front frame assembly is connected to the lower frame assembly and the rear frame assembly via bolts, the rear frame assembly is hinged to the lower frame assembly via a pin, and is connected to the lower frame assembly and the front frame assembly via bolts, the material retaining door assembly is bolted to the front frame assembly, and the observation door assembly is bolted to the lower frame assembly. The rotor assembly has a modular structure for easy manufacturing; the rear frame assembly is hinged to the lower frame assembly, and the rear frame can be flipped over for replacement of wearing parts or maintenance; the grate bars are segmented for easy casting and installation; the inner side surfaces of the lining plates on both sides of the rotor have a toothed structure, which can squeeze and grind the material in the crushing chamber; the impact plate device is a combination of an impact plate and an impact support plate, which is easy to achieve crushing and has the function of protecting the frame wall and sealing plate.
[0004] However, in the existing patent CN215464807U, although the rotor assembly is a modular structure, which is easy to manufacture; the rear frame assembly is hingedly connected to the lower frame assembly, and the rear frame can be turned over when replacing wearing parts or repairing; the grate bars are segmented structures, which are easy to cast and install; the inner sides of the lining plates on both sides of the rotor are toothed structures, which can extrude and grind the materials in the crushing chamber; the impact plate device is a combination structure of an impact plate and an impact support plate, which is easy to achieve crushing and has the function of protecting the frame wall plate and the sealing plate, but when the hammer crusher is running at high speed, it may affect the stability of the grate plate. Summary of the Invention
[0005] (1) Technical problems solved
[0006] The purpose of the utility model is to provide a crusher grate plate connection structure that is easy to replace, so as to solve the problem mentioned in the above background technology that the stability of the grate plate may be affected when the hammer crusher is running at high speed.
[0007] (2) Technical solution
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crusher grate plate connection structure that is easy to replace, including a main mechanism and an auxiliary mechanism, the auxiliary mechanism is located at the outer end of the main mechanism, the main mechanism includes a machine body, a feed cover and a transmission motor, the feed cover is movably installed on the right side of the machine body, and the transmission motor is fixedly installed on the upper end of the machine body; the main mechanism includes a collection bin, a crushing hammer, a grate plate body, a support frame, an embedded block, an embedded groove, a telescopic shaft, a fixed shaft and a buffer spring, and the collection bin is movably installed inside the machine body.
[0009] Preferably, the crushing hammer is movably installed inside the aggregate bin, and the grate plate body is movably installed at the lower end of the inner side of the aggregate bin. The transmission motor is started to drive the crushing hammer to crush the material on the grate plate body.
[0010] Preferably, the grate plate body is movably mounted on the lower end of the crushing hammer, and the support frame is fixedly mounted on the lower end of the machine body. The installation of the support frame increases the stability of the structure.
[0011] Preferably, the embedded block is fixedly arranged on the upper end of the grate plate body, and the embedded groove is fixedly arranged on the outside of the embedded block. When the grate plate body needs to be replaced, the user can press the telescopic shaft to retract it into the inner side of the fixed shaft, and the buffer spring contracts to embed the embedded block at the upper end of the grate plate body into the inner side of the embedded groove.
[0012] Preferably, the telescopic shaft is movably mounted on the upper end of the embedded block, the fixed shaft is fixedly sleeved on the outside of the telescopic shaft, and the buffer spring is movably mounted on the outside of the fixed shaft. When the user releases his fingers, the buffer spring resets and squeezes the grate plate body, thereby limiting the grate plate body and effectively improving the stability of the structure.
[0013] Preferably, the auxiliary mechanism includes a sealing plate, a sound insulation plate and a hinge. The sealing plate is fixedly installed on the right side of the body. The installation of the sealing plate effectively increases the sealing performance of the structure.
[0014] Preferably, the sound insulation board is movably installed at the outer end of the body, the sound insulation board is hinged to the body, and the hinge is movably installed in the middle of the sound insulation board and the body. The installation of the sound insulation board can reduce the noise generated by the equipment during operation and effectively improve the practicality of the structure.
[0015] Compared with the prior art, the beneficial effects of the present invention are:
[0016] 1. The grate plate connection structure of the crusher is easy to replace. After installing the main mechanism, when the grate plate body needs to be replaced, the user can press the telescopic shaft to retract it into the inner side of the fixed shaft. The buffer spring contracts, and the embedded block at the upper end of the grate plate body is embedded into the inner side of the embedded groove. Then, the user releases the finger, and the buffer spring returns to its original position, squeezing the grate plate body to achieve the limit of the grate plate body. The transmission motor starts and drives the crushing hammer to crush the material on the grate plate body, effectively improving the stability of the structure.
[0017] 2. The crusher grate plate connection structure, which is easy to replace, effectively increases the sealing of the structure through the installation of auxiliary mechanisms and sealing plates. The installation of sound insulation boards can reduce the noise generated by the equipment during operation, effectively improving the practicality of the structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;
[0020] Figure 3 This is a schematic diagram of the partial three-dimensional structure of the utility model;
[0021] Figure 4 It is a schematic diagram of the partial cross-sectional structure of the utility model.
[0022] In the figure: 1. Main mechanism; 101. Machine body; 102. Feed cover; 103. Transmission motor; 104. Aggregate bin; 105. Crushing hammer; 106. Grate body; 107. Support frame; 108. Embedded block; 109. Embedded groove; 110. Telescopic shaft; 111. Fixed shaft; 112. Buffer spring; 2. Auxiliary mechanism; 201. Sealing plate; 202. Sound insulation board; 203. Hinge. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] See also Figures 1-4The utility model provides a technical solution: a crusher grate plate connection structure that is easy to replace, including a main mechanism 1 and an auxiliary mechanism 2, the auxiliary mechanism 2 is located at the outer end of the main mechanism 1, the main mechanism 1 includes a body 101, a feed cover 102 and a transmission motor 103, the feed cover 102 is movably installed on the right side of the body 101, and the transmission motor 103 is fixedly installed on the upper end of the body 101; the main mechanism 1 includes a collection bin 104, a crushing hammer 105, a grate plate body 106, a support frame 107, an embedded block 108, an embedded groove 109, a telescopic shaft 110, a fixed shaft 111 and a buffer spring 112, the collection bin 10 The grate plate body 106 is movably mounted inside the machine body 101, the crushing hammer 105 is movably mounted inside the aggregate bin 104, the grate plate body 106 is movably mounted on the lower end of the inner side of the aggregate bin 104, the grate plate body 106 is movably mounted on the lower end of the crushing hammer 105, the support frame 107 is fixedly mounted on the lower end of the machine body 101, the embedded block 108 is fixedly arranged on the upper end of the grate plate body 106, the embedded groove 109 is fixedly arranged on the outer side of the embedded block 108, the telescopic shaft 110 is movably mounted on the upper end of the embedded block 108, the fixed shaft 111 is fixedly sleeved on the outer side of the telescopic shaft 110, and the buffer spring 112 is movably mounted on the outer side of the fixed shaft 111.
[0025] The auxiliary mechanism 2 includes a sealing plate 201, a sound insulation plate 202 and a hinge 203. The sealing plate 201 is fixedly mounted on the right side of the body 101, the sound insulation plate 202 is movably mounted on the outer end of the body 101, the sound insulation plate 202 is hinged to the body 101, and the hinge 203 is movably mounted on the middle of the sound insulation plate 202 and the body 101. When using the crusher grate plate connection structure that is easy to replace, when the grate plate body 106 needs to be replaced, the user can press the telescopic shaft 110 to retract it into the fixed shaft 111. On the inner side, the buffer spring 112 contracts, and the embedded block 108 on the upper end of the grate plate body 106 is embedded in the inner side of the embedded groove 109. Then release your fingers, the buffer spring 112 resets, and squeezes the grate plate body 106, thereby limiting the grate plate body 106. The transmission motor 103 starts and drives the crushing hammer 105 to crush the material on the grate plate body 106. The installation of the sealing plate 201 effectively increases the sealing of the structure, and the installation of the sound insulation board 202 can reduce the noise generated by the equipment during operation.
[0026] Working principle: When using the crusher grate connection structure that is easy to replace, when the grate body 106 needs to be replaced, the user can press the telescopic shaft 110 to retract it into the inner side of the fixed shaft 111, and the buffer spring 112 contracts to embed the embedded block 108 at the upper end of the grate body 106 into the inner side of the embedded groove 109. Then release the finger, the buffer spring 112 resets, and squeezes the grate body 106, realizing the limitation of the grate body 106. The transmission motor 103 starts and drives the crushing hammer 105 to crush the material on the grate body 106. The installation of the sealing plate 201 effectively increases the sealing of the structure. The installation of the sound insulation board 202 can reduce the noise generated by the equipment during operation.
[0027] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Simple modifications or equivalent replacements of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.
Claims
1. A crusher grate plate connection structure that is easy to replace, comprising a main mechanism (1) and an auxiliary mechanism (2), characterized in that: The auxiliary mechanism (2) is located at the outer end of the main mechanism (1). The main mechanism (1) includes a machine body (101), a feed cover (102) and a transmission motor (103). The feed cover (102) is movably mounted on the right side of the machine body (101), and the transmission motor (103) is fixedly mounted on the upper end of the machine body (101). The main body mechanism (1) comprises a material collecting bin (104), a crushing hammer (105), a grate plate body (106), a support frame (107), an embedded block (108), an embedded groove (109), a telescopic shaft (110), a fixed shaft (111) and a buffer spring (112); the material collecting bin (104) is movably mounted inside the machine body (101).
2. The crusher grate plate connection structure that is easy to replace according to claim 1 is characterized in that: The crushing hammer (105) is movably mounted inside the aggregate bin (104), and the grate plate body (106) is movably mounted at the lower end of the inner side of the aggregate bin (104).
3. The crusher grate plate connection structure that is easy to replace according to claim 2 is characterized in that: The grate plate body (106) is movably mounted on the lower end of the crushing hammer (105), and the support frame (107) is fixedly mounted on the lower end of the machine body (101).
4. The crusher grate plate connection structure that is easy to replace according to claim 3 is characterized in that: The embedded block (108) is fixedly arranged on the upper end of the grate plate body (106), and the embedded groove (109) is fixedly arranged on the outside of the embedded block (108).
5. The crusher grate plate connection structure that is easy to replace according to claim 4 is characterized in that: The telescopic shaft (110) is movably mounted on the upper end of the embedded block (108), the fixed shaft (111) is fixedly sleeved on the outside of the telescopic shaft (110), and the buffer spring (112) is movably mounted on the outside of the fixed shaft (111).
6. The crusher grate plate connection structure that is easy to replace according to claim 5, characterized in that: The auxiliary mechanism (2) comprises a sealing plate (201), a sound insulation plate (202) and a hinge (203); the sealing plate (201) is fixedly mounted on the right side of the machine body (101).
7. The crusher grate plate connection structure that is easy to replace according to claim 6, characterized in that: The sound insulation board (202) is movably mounted on the outer end of the machine body (101), the sound insulation board (202) is hinged to the machine body (101), and the hinge (203) is movably mounted in the middle of the sound insulation board (202) and the machine body (101).