CN212263404U

CN212263404U - Can prevent not hard up crushing roller that drops of bolt on pinion rack

Info

Publication number: CN212263404U
Application number: CN202020663327.8U
Authority: CN
Inventors: 林海翔
Original assignee: Fujian Tietuo Machinery Co Ltd
Current assignee: Fujian Tietuo Machinery Co Ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-01-01
Anticipated expiration: 2030-04-27

Abstract

The utility model provides a can prevent not hard up crushing roller that drops of bolt on pinion rack, includes broken roll body and lays a plurality of pinion racks on broken roll body outer peripheral face, the pinion rack pass through countersunk head bolt, hexagon nut and packing ring subassembly with the pinion rack is connected, still includes a plurality of stop pins, countersunk head bolt's afterbody is equipped with a radial connection hole one, hexagon nut sets up a radial connection hole two, countersunk head bolt installs the back that targets in place, and its radial connection hole one link up each other with corresponding radial connection hole two and form a set of stop pin connecting hole, the stop pin passes a set of at least the stop pin connecting hole, so that countersunk head bolt with hexagon nut zonulae occludens. The utility model discloses a crushing roller has effectively solved because of the not hard up chain reaction problem that drops and arouse of countersunk head bolt, and the low cost of stop pin is simple moreover, and is suitable for the transformation to current crushing roller structure, and economic nature is better with being connected between countersunk head bolt and the hexagon nut.

Description

Can prevent not hard up crushing roller that drops of bolt on pinion rack

Technical Field

The utility model relates to a crushing machine technical field, more specifically say and indicate a can prevent that pinion rack from going up not hard up crushing roller that drops of bolt.

Background

At present, a crushing roller of an existing double-roller crusher mainly comprises a crushing roller body and a plurality of toothed plates fixed on the surface of the crushing roller body. The toothed plate is generally fixed in the following two ways: one is that a plurality of threaded connecting holes are processed on the crushing roller body, and then the toothed plate is fixed on the crushing roller body through a countersunk bolt; and the other adopts a connection mode of combining a countersunk bolt with a flat washer, a spring washer and a nut. The crushing roller of two kinds of connected modes above, bolt looseness phenomenon all appears easily in the practical application in-process, in case the bolt is not hard up to drop, the pinion rack is broken by the extrusion immediately, if fail in time to discover to shut down the processing, will arouse chain reaction, cause the breaker to transship, because of the pinion rack that drops can be constantly at the internal circulation to the roller crusher, and other pinion racks also can be constantly broken by the extrusion, seriously influence the normal operating of equipment, cause huge economic loss for the user.

Although some manufacturers take partial anti-loosening measures for bolts at present, such as smearing anaerobic adhesive on threaded connection parts, the anaerobic adhesive fails to be glued due to poor working conditions of the roller crusher, and the other anti-loosening gasket is special, so that the anti-loosening gasket has obvious effect, but is expensive and poor in economy. Therefore, the crushing roller can prevent the bolt on the toothed plate from loosening and falling off.

SUMMERY OF THE UTILITY MODEL

The utility model provides a can prevent not hard up crushing roller that drops of bolt on the pinion rack to solve the locking measure or the anaerobism glue of connecting bolt on the current pinion rack and become invalid easily under adverse conditions, or lock washer is expensive, shortcoming such as economic nature is not good.

The utility model adopts the following technical scheme:

the utility model provides a can prevent not hard up crushing roller that drops of bolt on pinion rack, includes broken roll body and lays a plurality of pinion racks on broken roll body outer peripheral face, the pinion rack pass through countersunk head bolt, hexagon nut and packing ring subassembly with the pinion rack is connected, and this crushing roller still includes a plurality of stop pins, countersunk head bolt's afterbody is equipped with a radial connection hole one, hexagon nut sets up a radial connection hole two, countersunk head bolt installs the back that targets in place, and its radial connection hole one link up each other with corresponding radial connection hole two and form a set of stop pin connecting hole, the stop pin passes a set of at least the stop pin connecting hole, so that countersunk head bolt with hexagon nut zonulae occludens.

Preferably, in the first embodiment, each toothed plate is connected to the crushing roller body through a plurality of countersunk head bolts and corresponding hexagon nuts and washer assemblies, each toothed plate is correspondingly provided with one stop pin, and each stop pin correspondingly penetrates through all stop pin connecting holes formed by the countersunk head bolts and the hexagon nuts on each toothed plate.

Preferably, in the second embodiment, all the stop pin connecting holes formed by the countersunk head bolts and the hexagon nuts of all the toothed plates located on the same circumferential surface of the crushing roller body are connected in series through one stop pin.

Preferably, in the third embodiment, all the tooth plates located on the same axial direction of the crushing roller body, all the stop pin connecting holes formed by the countersunk head bolts and the hexagon nuts on the same axial direction of the crushing roller body are connected in series through one stop pin.

Further, the head end and the tail end of the stop pin are respectively bent.

Furthermore, the head end and the tail end of the stop pin are respectively welded on the corresponding hexagon nuts.

Further, the washer assembly includes a flat washer and a spring washer.

Furthermore, the stop pin is made of a non-ferrous metal material or a high molecular organic material.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

1. the utility model discloses a be in the same place through the stop pin interlocking closely between countersunk head bolt and the hexagon nut, effectively solved because of the not hard up chain reaction problem that drops and arouse of countersunk head bolt, the low cost of stop pin moreover, with countersunk head bolt and hexagon nut between be connected simply, be suitable for the transformation to current crushing roller structure, the economic nature is better.

2. The utility model discloses a mode that welding or bending are handled is adopted at the head and the tail both ends of stop pin, can prevent that the stop pin from deviating from.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is an assembly diagram of a countersunk bolt, a hexagon nut, a flat washer and a spring washer according to an embodiment of the present invention.

Fig. 3 is an exploded view of fig. 2.

Fig. 4 is a schematic view illustrating the connection of the stop pin on a single toothed plate according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of the second embodiment of the present invention without the crushing roller body.

Fig. 6 is a left side view of fig. 5.

Fig. 7 is a schematic structural view of a slightly crushing roller body in the third province of the embodiment of the present invention.

Fig. 8 is a left side view of fig. 7.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings. Numerous details are set forth in the following description in order to provide a thorough understanding of the present invention, but it will be apparent to one skilled in the art that the present invention may be practiced without these details. Well-known components, methods and processes are not described in detail below.

Example one

A crushing roller capable of preventing bolts on a toothed plate from loosening and falling off is disclosed, and the crushing roller with the bolt loosening and falling prevention function, with reference to fig. 1, comprises a crushing roller body 10, the toothed plate 20, a countersunk head bolt 31, a hexagon nut 32, a flat washer 33, a spring washer 34 and a stop pin 35. The surface of the crushing roller body 10 is provided with a plurality of toothed plate connecting holes (not shown in the figure), the toothed plates are uniformly arranged on the surface of the crushing roller body 10, and the toothed plates 20 are connected with the crushing roller body 10 through countersunk bolts 31, hexagon nuts 32, flat washers 33 and spring washers 34. Referring to fig. 2 and 3, a first radial connecting hole 310 is formed in the tail of the countersunk head bolt 31, a second radial connecting hole 320 is formed in the hexagon nut 32, and after the countersunk head bolt 31 is installed in place, the first radial connecting hole 310 and the corresponding second radial connecting hole 320 are communicated with each other to form a group of stop pin connecting holes.

Referring to fig. 1 and 4, each toothed plate 20 is connected to the crushing roller 10 through a plurality of countersunk head bolts 31 arranged at intervals and corresponding hexagonal nuts 32, flat washers 33, and spring washers 34, and this embodiment specifically shows that each toothed plate 20 includes two countersunk head bolts 31 and two hexagonal nuts 32. Each toothed plate 20 is correspondingly provided with a stop pin 35, and each stop pin 35 correspondingly penetrates through all stop pin connecting holes formed by all countersunk head bolts 31 and hexagonal nuts 32. After the stop pin 35 is connected in place, the head and tail ends are respectively bent.

Example two

The main differences between this embodiment and the first embodiment are: referring to fig. 5 and 6, all the tooth plates 20 located on the same circumferential surface of the crushing roller body, and all the stop pin connection holes formed by the countersunk head bolts 31 and the hexagon nuts 32 thereof are connected in series by one stop pin 35. The ends of the stop pin 35 are connected, and the ends of the stop pin can be connected together by spot welding or by mechanical means.

EXAMPLE III

The main differences between this embodiment and the first embodiment are: referring to fig. 7 and 8, all the tooth plates 20 positioned on the same axial direction of the crushing roller body, all the stop pin connecting holes formed by the countersunk head bolts 31 and the hexagon nuts 32 on the same straight line are connected in series through one stop pin 35. The head and tail ends of the stop pin 35 can be mechanically bent to prevent the stop pin 35 from being disengaged.

The utility model discloses a stop pin material can be made by steel or copper product, also can be made for other non ferrous metals, and also can be polymer organic material certainly and make, for example polyurethane, nylon etc. when adopting polymer organic material, stop pin head and tail end can adopt hot melt welding mode, and is more economical and effective.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. The utility model provides a can prevent not hard up crushing roller that drops of bolt on the pinion rack, includes broken roll body and lays a plurality of pinion racks on broken roll body outer peripheral face, the pinion rack pass through countersunk bolt, hexagon nut and packing ring subassembly with the pinion rack is connected, its characterized in that: the anti-theft bolt is characterized by further comprising a plurality of stop pins, a first radial connecting hole is formed in the tail portion of the countersunk head bolt, a second radial connecting hole is formed in the hexagon nut, after the countersunk head bolt is installed in place, the first radial connecting hole and the second corresponding radial connecting hole are communicated with each other to form a group of stop pin connecting holes, and the stop pins penetrate through the group of stop pin connecting holes at least so that the countersunk head bolt is tightly connected with the hexagon nut.

2. A crushing roller for preventing the bolt on the toothed plate from loosening and falling off according to claim 1, wherein: each toothed plate is connected with the crushing roller body through a plurality of countersunk bolts and corresponding hexagon nuts and gasket assemblies, one stop pin is correspondingly arranged on each toothed plate, and each stop pin correspondingly penetrates through all stop pin connecting holes formed by the countersunk bolts and the hexagon nuts on each toothed plate.

3. A crushing roller for preventing the bolt on the toothed plate from loosening and falling off according to claim 1, wherein: and all the stop pin connecting holes formed by the countersunk head bolts and the hexagon nuts of all the toothed plates which are positioned on the same circumferential surface of the crushing roller body are connected in series through one stop pin.

4. A crushing roller for preventing the bolt on the toothed plate from loosening and falling off according to claim 1, wherein: and all stop pin connecting holes formed by the toothed plates, the countersunk head bolts and the hexagon nuts, which are positioned on the same axial direction of the crushing roller body, are connected in series through one stop pin.

5. A crushing roller for preventing the bolt on the toothed plate from loosening and falling off according to claim 1, wherein: and the head end and the tail end of the stop pin are respectively bent.

6. A crushing roller for preventing the bolt on the toothed plate from loosening and falling off according to claim 1, wherein: and the head end and the tail end of the stop pin are respectively welded on the corresponding hexagon nuts.

7. A crushing roller for preventing the bolt on the toothed plate from loosening and falling off according to claim 1, wherein: the washer assembly includes a flat washer and a spring washer.

8. A crushing roller for preventing the bolt on the toothed plate from loosening and falling off according to claim 1, wherein: the stop pin is made of a non-ferrous metal material or a high molecular organic material.