Protective device for upper frame body cross beam of CH870 crusher

Abstract

The utility model discloses a CH870 crusher upper frame body cross beam protection device, and relates to the technical field of crusher upper frame body cross beam protection, the CH870 crusher upper frame body cross beam protection device comprises an arm frame cap, the two sides of the arm frame cap are both provided with arm frame assemblies, the bottom ends of the outer parts of the two arm frame assemblies are both provided with upper frame bodies, and the top ends of the two upper frame bodies are both provided with locking pieces. According to the device, self-locking connecting and fixing work is completed by pressing the cantilever crane limiting plate downwards and arranging the plug pin and the clamping groove, when a damaged cantilever crane assembly needs to be disassembled or replaced, the handle is pulled outwards, the handle drives the plug pin to move outwards, the plug pin is made to move out of the clamping groove, then the cantilever crane assembly can be disassembled or replaced, and the device is convenient to use, low in cost and high in practicability. The crusher beam is protected in a wrapping mode through the protection plate, ore abrasion to the beam is obviously reduced, meanwhile, the locking piece is arranged, the arm frame assembly can be conveniently disassembled and assembled, the trouble of replacing a fixing device by workers is saved, and practicability is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crusher upper frame crossbeam protection, in particular to a CH870 crusher upper frame crossbeam protection device. Background Art

[0002] Sandvik CH870 crusher is produced by Sandvik, a company headquartered in Sweden. CH870 cone crusher is a new type of hydraulic cone crusher developed by Sandvik in recent years. CH870 inherits the characteristics of CH series crushers such as safety and reliability, large processing capacity, fine product particle size and low operating cost. It is widely used in China and its equipment is widely imitated.

[0003] The ore is fed into the crusher cavity by the feeding drum, and the arm cap and the arm liner on the upper frame cross beam are impacted and worn by the ore. Since the working state of the CH870 crusher is "full" feeding, the outer side of the upper frame cross beam of the crusher is impacted and worn. Since the arm cap and arm liner are vulnerable parts with low unit price, they can be replaced. However, the upper frame cross beam is an integrated part with the upper frame, and the replacement cost after wear is expensive. Since the upper frame cross beam is narrow at the lower end and the inner side, and wide at the upper end and the outer side, the arm liner cannot be cast in one time. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the arm cap and the arm lining on the upper frame cross beam are impacted and worn by the ore fed into the crusher cavity by the feeding drum. Since the working state of the CH870 crusher is "full" feeding, the outer side of the upper frame cross beam of the crusher is impacted and worn. Since the arm cap and the arm lining are vulnerable parts with low unit price, they can be replaced. However, the upper frame cross beam is an integrated part with the upper frame, and the replacement cost after wear is expensive. Since the upper frame cross beam is narrow at the lower end and the inner side and wide at the upper end and the outer side, the arm lining cannot be cast in one time. A CH870 crusher upper frame cross beam protection device is provided.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a CH crusher upper frame crossbeam protection device, including a boom cap, boom assemblies are arranged on both sides of the boom cap, two groups of the boom assemblies include boom liners, the tops of the two groups of boom liners are provided with boom limit plates, the bottom ends of the outsides of the two groups of boom assemblies are provided with upper frames, the tops of the two groups of upper frames are provided with locking members, the two groups of locking members include handles, latches are arranged on both sides of the two groups of handles, springs are arranged on the outsides of the four groups of latches, one end of the four groups of springs is provided with a limit plate, and the ends of the four groups of latches away from the handles are provided with slots.

[0006] As a further solution of the utility model: the arm support lining plates are all made of "Mn13" metal material.

[0007] As a further solution of the utility model: both sides of the two groups of arm support linings are provided with protection plates, the four groups of protection plates are all made of "Mn13" metal material, and the thickness of the four groups of protection plates is 20mm.

[0008] As a further solution of the utility model: the four groups of protection plates are all welded to the two groups of arm support lining plates.

[0009] As a further solution of the utility model: the bottom ends of the two groups of arm support linings are both provided with limit grooves, the interiors of the two groups of limit grooves are both provided with limit blocks, and the two groups of arm support linings are both connected to the top limit position of the upper frame through the limit grooves and the limit blocks.

[0010] As a further solution of the utility model: the two groups of arm support lining plates are both detachably connected to the upper frame body through latches and slots.

[0011] Compared with the prior art, the beneficial effect of the utility model is as follows: the limit grooves at the bottom of the two groups of arm linings are inserted into the corresponding limit blocks, and then the arm limit plates are pressed downward. The arm limit plates first push the pins inward to extend the springs. When the slots at one end of the two groups of arm linings are moved to the corresponding end of the pins, the pins are inserted into the slots under the elastic force of the springs to complete the self-locking connection and fixing work. When it is necessary to disassemble or replace the damaged arm assembly, the handle is pulled outward, and the handle drives the pins to move outward, so that the pins move out of the slots, and the arm assembly can be disassembled or replaced. This device is easy to use and low in cost. The crusher beam is wrapped and protected by the protective plate, and the ore wear on the beam is significantly reduced. At the same time, the locking piece provided can facilitate the disassembly and installation of the arm assembly, saving the workers the tediousness of replacing the fixing device, and greatly increasing the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a partial three-dimensional schematic diagram of the utility model;

[0014] Figure 3 It is a plan view of the utility model;

[0015] Figure 4 It is a cross-sectional schematic diagram of the utility model.

[0016] In the figure: 1. arm cap; 2. locking piece; 201. handle; 202. slot; 203. limit plate; 204. spring; 205. latch; 3. arm assembly; 301. arm limit plate; 302. arm lining plate; 303. limit slot; 304. limit block; 305. protection plate; 4. upper frame. DETAILED DESCRIPTION

[0017] 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.

[0018] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.

[0019] See also Figures 1 to 4 In an embodiment of the utility model, a CH870 crusher upper frame crossbeam protection device includes a boom cap 1, boom assemblies 3 are provided on both sides of the boom cap 1, two groups of boom assemblies 3 include boom liners 302, and boom limit plates 301 are provided on the tops of the two groups of boom liners 302. Upper frames 4 are provided at the bottom ends of the exteriors of the two groups of boom assemblies 3, and locking members 2 are provided on the tops of the two groups of upper frames 4. The two groups of locking members 2 include handles 201, and latches 205 are provided on both sides of the two groups of handles 201. Springs 204 are provided on the exteriors of the four groups of latches 205, and limit plates 203 are provided on one end of the four groups of springs 204. A slot 202 is provided on the end of the four groups of latches 205 away from the handles 201.

[0020] Please refer to Figure 1 , 2 , 3 and 4, the arm lining plate 302 is made of "Mn13" metal material, which increases the wear resistance and hardness of the device, thereby increasing the service life of the device.

[0021] Please refer to Figure 2 and 4 Protection plates 305 are provided on both sides of the two sets of boom lining plates 302. The four sets of protection plates 305 are all made of "Mn13" metal material. The thickness of the four sets of protection plates 305 is 20 mm. The shape of the protection plate 305 is consistent with the shape of the boom crossbeam, forming a wrapping protection for the crossbeam to increase protection.

[0022] Please refer to Figure 2 and 4 The four groups of protection plates 305 are all welded and connected to the two groups of boom lining plates 302 and fixed by welding. The protection plates 305 are fully welded to the outer edges of the boom lining plates 302. The welding increases the connection firmness between the protection plates 305 and the boom lining plates 302 and has a longer service life.

[0023] Please refer to Figure 3 The bottom ends of the two sets of arm linings 302 are both provided with limiting grooves 303, and the interiors of the two sets of limiting grooves 303 are both provided with limiting blocks 304. The two sets of arm linings 302 are both connected to the top of the upper frame 4 through the limiting grooves 303 and the limiting blocks 304, which prevents the arm linings 302 from being displaced during operation of the device, affecting the use effect.

[0024] Please refer to Figure 2 , 3 And 4, the two sets of arm lining plates 302 are detachably connected to the upper frame body 4 through the latch 205 and the slot 202, which facilitates the disassembly of the arm lining plates 302 and is more practical.

[0025] The working principle of the utility model is as follows: when in use, the arm support assembly 3 and the upper frame body 4 must be connected and fixed first, the limiting grooves 303 at the bottom of the two sets of arm support lining plates 302 must be inserted into the corresponding limiting blocks 304, and then the arm support limiting plates 301 must be pressed downwards, and the arm support limiting plates 301 must first push the latch 205 inwards to extend the spring 204, and when the slots 202 at one end of the two sets of arm support lining plates 302 are moved to the corresponding end of the latch 205, the latch 205 is inserted into the slot 202 under the elastic force of the spring 204 to complete the self-locking connection. The fixing work is carried out, and when the damaged boom assembly 3 needs to be disassembled or replaced, the handle 201 is pulled outward, and the handle 201 drives the pin 205 to move outward, so that the pin 205 moves out of the slot 202, and the boom assembly 3 can be disassembled or replaced. This device is easy to use and low in cost. The crusher beam is wrapped and protected by the protective plate 305, and the ore wear on the beam is significantly reduced. At the same time, the locking piece 2 is arranged to facilitate the disassembly and installation of the boom assembly 3, which saves the workers the tediousness of replacing the fixing device and greatly increases the practicality.

[0026] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A CH870 crusher upper frame crossbeam protection device, comprising a boom cap (1), characterized in that: Both sides of the arm cap (1) are provided with arm assemblies (3), and both groups of the arm assemblies (3) include arm linings (302). The tops of the two groups of arm linings (302) are provided with arm limit plates (301). The bottom ends of the outsides of the two groups of arm assemblies (3) are provided with upper frames (4), and the tops of the two groups of upper frames (4) are provided with locking members (2). Both groups of locking members (2) include handles (201), and both sides of the two groups of handles (201) are provided with latches (205). The outsides of the four groups of latches (205) are provided with springs (204), and one end of the four groups of springs (204) is provided with a limit plate (203). The ends of the four groups of latches (205) away from the handles (201) are provided with a slot (202).

2. The CH870 crusher upper frame crossbeam protection device according to claim 1 is characterized by: The arm support lining plates (302) are all made of "Mn13" metal material.

3. The CH870 crusher upper frame crossbeam protection device according to claim 1 is characterized by: Protection plates (305) are provided on both sides of the two sets of arm lining plates (302).

4. The CH870 crusher upper frame crossbeam protection device according to claim 3 is characterized in that: The four groups of protection plates (305) are all made of "Mn13" metal material, and the thickness of the four groups of protection plates (305) is all 20 mm.

5. The CH870 crusher upper frame crossbeam protection device according to claim 4 is characterized in that: The four groups of protection plates (305) are all welded to the two groups of arm support lining plates (302).

6. The CH870 crusher upper frame crossbeam protection device according to claim 1 is characterized in that: The bottom ends of the two groups of arm support linings (302) are both provided with limiting grooves (303), and the interiors of the two groups of limiting grooves (303) are both provided with limiting blocks (304).

7. The CH870 crusher upper frame crossbeam protection device according to claim 1 is characterized in that: The two groups of arm support lining plates (302) are both connected to the top of the upper frame body (4) through the limiting groove (303) and the limiting block (304).

8. The CH870 crusher upper frame crossbeam protection device according to claim 1 is characterized in that: The two groups of arm support lining plates (302) are both detachably connected to the upper frame body (4) via a latch (205) and a slot (202).

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