1. A toothed plate inspection device of a toothed roll crusher is characterized by comprising a base, a toothed sample plate, a swinging assembly and a positioning assembly;

the base is of a frame structure formed by welding steel plates;

tooth grooves matched with the toothed plates are uniformly distributed on the lower edge of the tooth-shaped sample plate along the length direction of the tooth-shaped sample plate;

the two groups of swing assemblies are symmetrically arranged on two sides of the base, the upper parts of the swing assemblies are connected with the tooth-shaped sample plate through connecting pieces, and the lower parts of the swing assemblies are rotatably connected with the side surface of the base;

the positioning assembly comprises a positioning block and a supporting plate; a positioning groove and a positioning hole are formed in the upper panel of the base; the positioning block is arranged in the positioning groove, and the supporting plate is arranged on a base on the side surface of the positioning block; the positioning block and the supporting plate are respectively fixedly connected with the upper panel of the base through connecting pieces.

2. The toothed plate inspection device of a toothed roller crusher according to claim 1, wherein raised keys for positioning are arranged below the toothed plate of the crusher, and the inner side surfaces of the raised keys symmetrically arranged at two sides are positioning surfaces.

3. A toothed plate inspection device of a gear roller crusher according to claim 2, wherein the two raised keys are respectively placed in a central positioning groove at the center of the supporting plate to realize transverse positioning; the inner side surface of the protruding key is attached to the side surface of the positioning block, so that longitudinal positioning is achieved.

4. A tooth plate testing device of a tooth roller crusher according to claim 1, characterized in that a plurality of positioning grooves are arranged in parallel on the upper panel of the base, and a plurality of positioning holes corresponding to the positioning grooves.

5. A toothed plate inspection device of a toothed roll crusher according to claim 1, wherein the oscillating assembly comprises an oscillating bar, an oscillating bar sleeve and a rotating shaft; the swing rod is vertically arranged, the upper part of the swing rod is fixedly connected with the tooth-shaped sample plate, and the lower part of the swing rod is connected with the swing rod sleeve; the middle part of the swing rod sleeve is provided with a bearing, and the rotating shaft is in running fit with the bearing; the end part of the rotating shaft is connected with the side surface of the base.

6. A tooth plate testing device of a tooth roller crusher according to claim 5, characterized in that said oscillating assembly further comprises a positioning sleeve; the bearing and the locating sleeve are sequentially arranged on the rotating shaft, and the free end of the rotating shaft is fixedly connected with the side face of the base.

7. A toothed plate inspection device of a toothed roller crusher according to claim 5, characterized in that the upper end of the rocker sleeve is provided with a connection key set, and the rocker sleeve is connected with the boss at the lower end of the rocker through the connection key set and the fixing bolt.

Background

The toothed roll crusher is an indispensable device in coal washing and separating equipment and is mainly used for grading crushing of raw coal or similar materials. The toothed plate is the most important part of the crusher and is the key for directly influencing the crushing effect.

The toothed plate is cast and formed by high-wear-resistant materials, so that the toothed plate is complex in shape and easy to deform during casting, and the positioning reference and the working tooth position are not easy to directly measure, so that the tooth forming of the toothed plate is a process with high precision. Because the pinion rack is direct working member, when using after the equipment, the pinion rack very easily appears bumping the tooth phenomenon, and the restoration degree of difficulty is big, and the equipment debugging time is long, goes on smoothly for guaranteeing work, can prepare pinion rack spare parts to change usually, nevertheless because there is the difference because the error in the casting process between the pinion rack spare parts, if pinion rack or tooth relative position have deviation etc. interchangeability is not good, leads to the user on-the-spot equipment degree of difficulty to increase, and it wastes time and energy to change pinion rack spare parts, seriously influences work efficiency.

Disclosure of Invention

The invention provides an inspection device which can quickly inspect the relative position of the inner end positioning surface of a bottom surface raised key between spare parts of a toothed plate of a crusher and teeth and the uniformity of casting distribution of the teeth on the toothed plate, aiming at the technical defects mentioned in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that: a toothed plate inspection device of a toothed roll crusher comprises a base, a tooth-shaped sample plate, a swinging assembly and a positioning assembly;

the base is of a frame structure formed by welding steel plates;

tooth grooves matched with the toothed plates are uniformly distributed on the lower edge of the tooth-shaped sample plate along the length direction of the tooth-shaped sample plate;

the two groups of swing assemblies are symmetrically arranged on two sides of the base, the upper parts of the swing assemblies are connected with the tooth-shaped sample plate through connecting pieces, and the lower parts of the swing assemblies are rotatably connected with the side surface of the base;

the positioning assembly comprises a positioning block and a supporting plate; a positioning groove and a positioning hole are formed in the upper panel of the base; the positioning block is arranged in the positioning groove, and the supporting plate is arranged on a base on the side surface of the positioning block; the positioning block and the supporting plate are respectively fixedly connected with the upper panel of the base through connecting pieces.

As a preferred technical scheme: the lower surface of the toothed plate of the crusher is provided with a raised key for positioning, and the inner side surfaces of the raised keys symmetrically arranged at two sides are positioning surfaces.

As a preferred technical scheme: the two raised keys are respectively arranged in a central positioning groove in the center of the supporting plate to realize transverse positioning; the inner side surface of the protruding key is attached to the side surface of the positioning block, so that longitudinal positioning is achieved.

As a preferred technical scheme: the upper panel of the base is provided with a plurality of positioning grooves in parallel and a plurality of positioning holes corresponding to the positioning grooves.

As a preferred technical scheme: the swing assembly comprises a swing rod, a swing rod sleeve and a rotating shaft; the swing rod is vertically arranged, the upper part of the swing rod is fixedly connected with the tooth-shaped sample plate, and the lower part of the swing rod is connected with the swing rod sleeve; the middle part of the swing rod sleeve is provided with a bearing, and the rotating shaft is in running fit with the bearing; the end part of the rotating shaft is connected with the side surface of the base.

As a preferred technical scheme: the swing assembly further comprises a positioning sleeve; the bearing and the locating sleeve are sequentially arranged on the rotating shaft, and the free end of the rotating shaft is fixedly connected with the side face of the base.

As a preferred technical scheme: the upper end of the swing rod sleeve is provided with a connecting key group, and the swing rod sleeve is connected with the boss at the lower end of the swing rod through the connecting key group and the fixing bolt.

Compared with the prior art, the device disclosed by the invention is mainly suitable for inspecting the toothed plate of the toothed roller crusher, and the toothed plate of each toothed roller crusher is inspected by simulating the motion mode of two toothed rollers of the crusher and comprehensively considering the reasonable casting error range of the toothed plate tooth profile, the tooth gap clearance and the machining tolerance range of the inner end surface of the bottom surface convex key.

The invention has simple structure, is suitable for toothed plates of different models, can detect the position of the deviation part of the toothed plate, and can lead the toothed plate of the crusher to reach the assembly and use requirements by carrying out proper local polishing and finishing on the position with interference, thereby saving the assembly and debugging time of the crusher, improving the interchangeability between each toothed plate spare part, avoiding the on-site assembly and collision phenomenon of the toothed plate spare part, ensuring the time and labor conservation of the replacement and maintenance of the toothed plate by a user, shortening the maintenance period and improving the working efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic structural view of a base, a positioning block and a supporting plate according to the present invention.

Fig. 3 is a schematic structural diagram of the swing assembly of the present invention.

FIG. 4 is a schematic structural diagram of a positioning assembly according to the present invention.

FIG. 5 is a schematic view of a positioning groove structure according to the present invention.

Fig. 6 is a schematic structural view between a toothed plate and a supporting plate of the crusher of the present invention.

In the figure: the device comprises a base 1, a swing rod sleeve 2, a swing rod 3, a first fixing bolt 4, a tooth-shaped sample plate 5, a crusher toothed plate 6, a positioning block 7, a first positioning screw 8, a supporting plate 9, a second positioning screw 10, a rotating shaft 11, a bearing 12, a positioning sleeve 13, a connecting key 14, a second fixing bolt 15, a positioning groove 16, a positioning hole 17 and a central positioning groove 18.

Detailed Description

The invention is further illustrated with reference to the following figures and examples.

Referring to the attached drawings 1-5, the device disclosed by the invention is mainly suitable for the inspection of the toothed plate of the toothed roller crusher, and the deviation between each spare part of the toothed plate and the toothed plate is determined through the inspection, so that the deviation is conveniently corrected.

The invention discloses a toothed plate inspection device of a toothed roller crusher, which comprises a base 1, a tooth-shaped template 5, a swinging assembly and a positioning assembly. The base 1 is a frame structure formed by welding steel plates. The tooth profile sample plate is arranged above the base, and tooth grooves matched with the toothed plate of the crusher are uniformly distributed on the lower edge of the tooth profile sample plate along the length direction of the tooth profile sample plate. The two groups of swing assemblies are symmetrically arranged on two sides of the base, the upper parts of the swing assemblies are connected with the tooth-shaped sample plate through connecting pieces, and the lower parts of the swing assemblies are rotatably connected with the side face of the base, so that the swing rods drive the tooth-shaped sample plate to rotate. The positioning assembly comprises a positioning block 7 and a supporting plate 9; the upper panel of the base is provided with a positioning groove 16 and a positioning hole 17; the positioning block 7 is arranged in the positioning groove 16, and the supporting plate 9 is arranged on a base on the side surface of the positioning block 7; the positioning block and the supporting plate are respectively fixedly connected with the upper panel of the base through connecting pieces.

As a preferred embodiment, see fig. 6, raised keys for positioning are arranged below the toothed plate 6 of the crusher, and comprise a central raised key and two symmetrical raised keys. The inner side surfaces of the convex keys symmetrically arranged at the two sides are processed positioning surfaces. The two raised keys are respectively arranged in a central positioning groove 18 in the center of the supporting plate to realize transverse positioning; the inner side surface of the protruding key is attached to the side surface of the positioning block, so that longitudinal positioning is realized. The lower part of the positioning block 7 is arranged in the positioning groove 16, and the positioning block 7 is fixed with the upper panel of the base through a first positioning screw 8. The side surface of the supporting plate 9 is tightly attached to the side surface of the positioning block 7 and is fixedly connected with the upper panel of the base through a second positioning screw 10.

Preferably, a plurality of positioning grooves and a plurality of positioning holes corresponding to the positioning grooves are arranged on the upper panel of the base in parallel. The bottom of each positioning groove is provided with at least two positioning holes matched with the positioning blocks, and the upper panel of the base on the side surface of each positioning groove is provided with a positioning hole matched with the supporting plate.

As a preferred embodiment, the swing assembly includes a swing link 3, a swing link sleeve 2, and a rotation shaft 11. The swing rod 3 is vertically arranged, the upper part of the swing rod is fixedly connected with the tooth-shaped sample plate through a first fixing bolt 4, and the lower part of the swing rod is connected with the swing rod sleeve; the middle part of the swing rod sleeve 2 is provided with a bearing 12, and the rotating shaft 11 is in running fit with the bearing 12; the end of the rotating shaft 11 is fixedly connected with the side surface of the base 1.

Preferably, the oscillating assembly further comprises a positioning sleeve 13. The bearing 12 and the locating sleeve 13 are sequentially arranged on the rotating shaft 11, the free end of the rotating shaft is fixedly connected with the side face of the base, and the oscillating bar drives the oscillating bar sleeve to rotate by taking the rotating shaft as a rotating shaft. Tooth's socket on the profile of tooth model is corresponding with the tooth on the breaker pinion rack, and the back is fixed a position to the spare part of breaker pinion rack, and is rotatory under the pendulum rod drive through the profile of tooth model, whether smooth and easy whether confirm whether there is great deviation between spare part and the pinion rack of this pinion rack when it passes through the pinion rack, and the pinion rack in the error band homoenergetic is smooth and easy to pass through the tooth's socket at the swing in-process.

Preferably, the upper end of the swing rod sleeve 2 is provided with a connecting key group 14, and the swing rod sleeve is connected with the boss at the lower end of the swing rod through the connecting key group 14 and a second fixing bolt 15.

Tooth sockets on the tooth profile sample plate 5 correspond to teeth of a toothed plate 6 of the crusher, and positioning holes are formed in two sides of the tooth profile sample plate. The tooth plate testing device is suitable for testing tooth plates of crushers of different models by replacing the positions of the tooth-shaped sample plate 5, the positioning block 7 and the supporting plate 9. A plurality of through holes are longitudinally formed in the upper section of the swing rod, and different through holes are selected according to the types of the toothed plates so as to adapt to the inspection of the toothed plates of different types.