CN216987986U

CN216987986U - Inspection door structure of crushing cavity of impact crusher and impact crusher

Info

Publication number: CN216987986U
Application number: CN202220207179.8U
Authority: CN
Inventors: 孙翊豪; 熊涛; 李佳乐
Original assignee: Chengdu Dahongli Machinery Co Ltd
Current assignee: Chengdu Dahongli Machinery Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-07-19
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses an inspection door structure of a crushing cavity of an impact crusher and the impact crusher, which relate to the technical field of crushers and solve the technical problem of poor structural stability of the existing inspection door. The whole inspection door designed by the utility model is simple in structure, mainly adopts plates to form the door plate assembly and the door bolt, realizes secondary locking based on the main pin, is stable in locking state and convenient to open, and enables observation and maintenance in the crushing cavity to be more convenient.

Description

Inspection door structure of crushing cavity of impact crusher and impact crusher

Technical Field

The utility model relates to the technical field of crushers, in particular to an inspection door structure of a crushing cavity of an impact crusher and the technical field of the impact crusher.

Background

The impact crusher is a stone crusher, which mainly comprises seven parts of a feeding part, a distributor, a crushing cavity, an impeller, a main shaft assembly, a base transmission device and a motor. The crushing cavity of the crusher is one of the main working components thereof, and is used for crushing materials, so that the working condition of the crushing cavity is severe, regular maintenance is required, the internal working state of the crushing cavity is observed, and parts such as a rotating wheel and the like need to be maintained and cleaned.

The existing crushing cavity is integral, so that the inside of the crushing cavity is inconvenient to observe and maintain, and parts at the top of the crushing cavity need to be disassembled. Based on this, the prior art CN214234381U discloses a vertical shaft impact crusher with a rotor shroud, which is provided with an access door on the barrel of the crushing chamber. But this kind of access door poor stability because broken chamber vibration frequency and vibration amplitude are all very big, can lead to the access door not hard up, open by oneself, are unfavorable for the broken operation of material to go on smoothly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the technical problem, the utility model provides an inspection door structure of a crushing cavity of an impact crusher and the impact crusher.

The utility model specifically adopts the following technical scheme for realizing the purpose:

on one hand, the utility model discloses an inspection door structure of a crushing cavity of an impact crusher, which comprises an inspection door arranged on a barrel, wherein the inspection door comprises a door plate assembly, a main pin and a door bolt, the left end of the door plate assembly is hinged with the barrel and can cover an inspection opening in the barrel, the main pin is positioned outside the door plate assembly, the small diameter end of the main pin movably penetrates through the two sides of the door plate assembly and is detachably connected with a main gear piece for preventing the door plate assembly from falling off, the right end of the main pin is hinged with the barrel, and the left end of the door bolt penetrates through the distance between the main pin and the door plate assembly and is detachably connected with the barrel.

Furthermore, the door bolt is detachably connected with the cylinder body through a door pin assembly, and the door pin assembly comprises a door pin arranged on the cylinder body, a screw rod with one end movably sleeved on the door pin and a nut in threaded connection with the other end of the screw rod;

a screw rod through hole matched with the screw rod is formed in the left end of the bolt, and the left side of the screw rod through hole extends outwards and is communicated with the outside;

the nut is positioned on one side of the bolt, which is far away from the cylinder body, and the end part of the nut is abutted against the bolt.

Furthermore, the screw rod is movably sleeved on the door bolt through the first seat, and the end part of the screw rod is connected with the first seat.

Furthermore, a spring washer sleeved on the screw rod is arranged between the nut and the bolt.

Furthermore, the door pin is installed on the barrel through the door pin boss, the door pin boss has two, and it all sets firmly on the barrel, and the path end of door pin is radially pegged graft by split pin A after passing two door pin bosses in proper order.

Further, the door plant subassembly includes the door plant that covers the access hole and two connecting plates that set firmly in door plant outside upper and lower both sides respectively, the middle part of connecting plate all is provided with the through-hole that supplies the swizzle activity to run through, and the right side of connecting plate is articulated through first subassembly and barrel.

Furthermore, the first assembly comprises a first pin and two first pin seats fixedly arranged on the cylinder, and the small-diameter end of the first pin penetrates through the two first pin seats in sequence and then is radially inserted by a first cotter pin.

Furthermore, a plurality of reinforcing rods are arranged between the connecting plates and along the circumference of the cylinder, and two ends of each reinforcing rod are respectively connected with one connecting plate.

Furthermore, the door bolt comprises two bolt plates and a middle plate fixedly connecting the bolt plates, the right sides of the bolt plates are hinged with the cylinder body, and the left sides of the bolt plates penetrate through the space between the main pin and the door plate assembly and then are detachably connected with the cylinder body.

In another aspect, the present invention discloses an impact crusher having an inspection door structure as defined in any one of the above.

The utility model has the following beneficial effects:

1. the utility model designs two-stage check door locking: the first stage is that the door panel assembly is locked and detachably connected with the barrel body 1 through the left end of the door bolt 4, so that the door panel assembly is tightly abutted against the access hole of the barrel body 1 through the door bolt 4, and the access hole is covered by the door panel assembly; the second stage of locking is to limit the rotation of the bolt 4 through the main pin 3, so that the bolt cannot rotate around the hinge between the bolt and the barrel, and the bolt can stably hold the door panel component under the action of abutting against the access opening of the barrel. The door panel assembly is closed through the door bolt, and the rotation of the door bolt is limited based on the door panel assembly and combined with the main pin, so that a self-locking state is formed, the stability of the inspection door in the closed state is improved, and the safety of the crushing cavity is improved;

2. the whole inspection door is simple in structure, the door plate assembly and the door bolt are mainly formed by adopting plates, secondary locking is realized based on the main pin, the locking state is stable, and meanwhile, the door bolt is convenient to open, so that the observation and maintenance inside the crushing cavity are more convenient;

3. elastic cushions sleeved on the screw rod are arranged between the nut and the bolt, the number of the elastic cushions is preferably two, and the elastic cushions are compressed through nut locking to enable the elastic cushions to elastically deform, so that the friction force on threads between the nut and the screw rod is increased, the nut can be effectively prevented from being loosened at will, and the structural stability of the utility model is improved;

4. a plurality of reinforcing rods are arranged between the connecting plates and along the circumference of the barrel, and two ends of each reinforcing rod 17 are connected with one connecting plate respectively, so that the strength of the door panel assembly is improved, and the service life of the door panel assembly is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic structural view of a door pin assembly;

FIG. 4 is a schematic structural view of a door panel assembly;

FIG. 5 is a structural view of the inside of the door panel assembly.

Reference numerals: 1-cylinder, 2-main gear, 3-kingpin, 4-bolt, 401-bolt plate, 402-middle plate;

5-door pin, 6-screw rod, 7-nut, 8-first seat, 9-elastic cushion, 10-door pin seat, 11-cotter pin A, 12-door plate, 13-connecting plate, 14-first pin, 15-first pin seat, 16-first cotter pin, 17-reinforcing rod, 18-screw rod through hole, 19-surrounding plate hanging plate component, 20-surrounding plate, 21-bolt and nut component and 22-lug boss.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 5, this embodiment provides an inspection door structure in broken chamber of impact crusher, including setting up the access door on barrel 1, the access door includes that the left end is articulated with barrel 1 and can be with the door plant subassembly of the access hole cover on the barrel 1, be located the door plant subassembly outside and the path end activity run through behind the door plant subassembly both sides with prevent that it from dismantling the main king pin 3 of keeping off a position spare 2 connection of deviating from on the door plant subassembly, and the right-hand member is articulated with barrel 1 and the left end passes behind the interval between king pin 3 and the door plant subassembly and dismantles the keeper 4 of being connected with barrel 1.

The door panel assembly and the door bolt are both preferably made of steel or formed by welding a plurality of steel plates. The main gear 2 may adopt conventional components such as a cotter pin, a nut, a split pad, etc., in this embodiment, a cotter pin is preferably adopted, and a small end of the cotter pin radially penetrates through the main pin 3, so that based on the fact that the size of the main pin 3 in the radial direction of the main pin 3 is larger than the aperture of a hole body movably penetrated by the main pin 3 on the door panel assembly, the head of the main pin 3 is combined, the main pin 3 is fixed relative to the door panel assembly, and cannot be removed from the door panel assembly.

When overhauing or observing, remove the cooperation between main fender position spare 2 and the swizzle 3 and the keeper 4 left end is connected with barrel 1, then earlier round the articulated keeper that rotates between keeper 4 and barrel 1 to remove its restriction to door plant components after, round the articulated door plant components that rotates of door plant components and barrel 1, then expose the access hole, carry out follow-up relevant operation.

When the inspection door is closed, the door panel component and the barrel body 1 are hinged and reversely rotated until the access hole is covered; then, the door bolt is firstly rotated around the hinge joint between the door bolt 4 and the barrel body 1, so that the door bolt compresses the door panel component; then, the left side of the bolt is detachably connected with the cylinder body 1 to limit the opening and closing of the bolt; then, the small-diameter end of the main pin 3 movably penetrates through two sides of the door panel assembly and is detachably connected with the main gear piece 2, so that the opening and closing of the door bolt 4 are further limited.

This scheme has designed the locking of two-stage inspection door: the first stage is that the door panel assembly is locked and detachably connected with the barrel body 1 through the left end of the door bolt 4, so that the door panel assembly is tightly abutted against the access hole of the barrel body 1 through the door bolt 4, and the access hole is covered by the door panel assembly; the second locking is to limit the rotation of the bolt 4 through the main pin 3, so that the bolt cannot rotate around the hinge between the bolt and the barrel 1, and the bolt is stably kept to abut against the door panel assembly on the access opening of the barrel 1. The door panel assembly is closed through the door bolt, and the rotation of the door bolt is limited by combining the main pin 3 based on the door panel assembly, so that a self-locking state is formed, the stability of the closed state of the inspection door is improved, and the safety of the crushing cavity is improved.

Meanwhile, the whole inspection door is simple in structure, mainly adopts plates to form the door plate assembly and the door bolt, realizes secondary locking based on the main pin, is stable in locking state and convenient to open, and enables observation and maintenance in the crushing cavity to be more convenient.

Example 2

As for the disassembly and connection between the bolt and the cylinder 1 in the embodiment 1, the following scheme is specifically adopted: the door bolt is detachably connected with the cylinder body 1 through a door pin assembly, the door pin assembly comprises a door pin 5 arranged on the cylinder body 1, a screw rod 6 with one end movably sleeved on the door pin 5 and a nut 7 in threaded connection with the other end of the screw rod 6, and the door pin assembly is shown in fig. 3;

a screw rod through hole 18 matched with the screw rod 6 is formed in the left end of the bolt 4, and the left side of the screw rod through hole extends outwards and is communicated with the outside;

the nut 7 is positioned on one side of the bolt 4 far away from the barrel 1, and the end part of the nut abuts against the bolt 4.

When the bolt is connected with the barrel 1, the screw 6 is rotated, one end of the bolt, which is far away from the door pin 5, is clamped into the screw through hole 18 from the outer extending end of the screw through hole 18, then the nut 7 is sleeved on the screw 6 in a threaded manner, and the nut 7 is screwed tightly, so that the tail end of the nut abuts against the bolt, the pressure of the bolt in the axial direction of the screw is increased, the friction force borne by the bolt is increased, the screw is prevented from being withdrawn from the screw through hole, and the door panel assembly is stably covered on the access hole by the bolt.

When dismantling the keeper with the barrel, relax nut 7, relieve its packing force to the keeper to it can to take off nut 7.

In conclusion, the detachable connection structure for the bolt and the barrel body 1 is simple, the components are conventional, the manufacturing cost is low, the use is convenient, and the observation and maintenance in the crushing cavity are more convenient.

With regard to the cooperation between the screw 6 and the door pin 5, the following is further adopted: the screw rod 6 is movably sleeved on the door pin 5 through the first seat 8, and the end part of the screw rod 6 is connected with the first seat 8, preferably welded.

In order to prevent the nut 7 from being loosened at will and improve the stability of the nut in the locking state, elastic pads 9 sleeved on the screw rod 6 are preferably arranged between the nut 7 and the bolt 4, the number of the elastic pads 9 is preferably two, and the elastic pads 9 are compressed through nut locking to enable the elastic pads to be elastically deformed, so that the friction force on threads between the nut and the screw rod is increased, the nut can be effectively prevented from being loosened at will, and the structural stability of the utility model is improved.

The following scheme is specifically adopted for the installation of the door pin 5: as shown in fig. 2, the door pin 5 is mounted on the cylinder 1 through the door pin seat 10, two door pin seats 10 are provided, and are fixedly arranged on the cylinder 1, and the small-diameter end of the door pin 5 is inserted radially by the cotter pin a11 after sequentially passing through the two door pin seats 10.

Example 3

The structure of the door panel assembly in the above embodiment specifically adopts the following scheme: as shown in fig. 4, the door panel assembly includes a door panel 12 covering the access opening and two connecting plates 13 fixedly disposed at upper and lower sides of the exterior of the door panel 12, through holes for the main pin 3 to movably penetrate are disposed at the middle portions of the connecting plates 13, and the right side of the connecting plate 13 is hinged to the cylinder 1 through a first assembly. The door panel 12 is welded with the connecting plate 13, and in order to improve the coverage of the door panel 13, the inner side of the door panel 12 is preferably provided with a boss 22 which is inserted into the access hole and is attached to the periphery of the access hole; meanwhile, in order to reduce the material consumption of the whole body, the door panel 12 is bent into an arc-shaped plate which is coaxial with the cylinder body 1, and the corresponding connecting plate 13 and the door bolt are also bent around the axis.

The implementation of the first module in the above adopts the following scheme: the first assembly comprises a first pin 14 and two first pin seats 15 fixedly arranged on the cylinder body 1, and the small-diameter end of the first pin 14 penetrates through the two first pin seats 15 in sequence and then is radially inserted and connected by a first split pin 16.

In order to improve the strength and service life of the door panel assembly, a plurality of reinforcing rods 17 are preferably arranged between the connecting plates 13 and along the circumference of the cylinder 1, and two ends of each reinforcing rod 17 are respectively connected with one connecting plate 13, preferably welded.

Example 4

The structure of the bolt in the above embodiment specifically adopts the following scheme: the door bolt 4 comprises two bolt plates 401 and a middle plate 402 fixedly connected with the bolt plates 401, the right sides of the bolt plates 401 are hinged with the cylinder body 1, and the left sides of the bolt plates pass through the space between the main pin 3 and the door plate assembly and then are detachably connected with the cylinder body 1.

The peg board 401 is fixedly connected to the middle board 402, and the middle board 402 is plural and arranged along the circumference of the cylinder 1. The part of the door bolt 4 detachably connected to the cylinder 1 may be provided on the intermediate plate 402 or may be provided on the door bolt plate 401, and in the present invention, it is preferable to provide the part on the leftmost intermediate plate 402, and in combination with embodiment 2, specifically, the screw passing hole is provided on the intermediate plate 402.

Example 5

An impact crusher having an inspection door structure as claimed in any one of the preceding claims.

Furthermore, the periphery guard plate 20 originally arranged at the service hole on the barrel is correspondingly arranged on the inner side of the door panel assembly, specifically on the door panel, and the periphery guard plate 20 is arranged on the door panel through the periphery guard plate hanging plate assembly 19.

The surrounding protection plate hanging plate assembly 19 comprises a U-shaped frame and a cover plate, the opening of the U-shaped frame faces upwards, the U-shaped frame is welded on the door plate, the cover plate is located on the upper side of the U-shaped frame and fixed on the U-shaped frame through screws, and the surrounding protection plates 20 are installed in a cavity formed by the U-shaped frame and the cover plate in a surrounding mode.

The utility model not only arranges the inspection door structure on the crushing cavity for inspection and observation, but also arranges the peripheral guard plate and other parts on the inspection door structure, so that the peripheral guard plate in the crushing cavity is still complete and uniform in layout, the original performance and use of the crushing cavity are not influenced when the inspection door structure is additionally arranged, and the convenience of the use of the crusher is further improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an inspection door structure in broken chamber of impact crusher, is including setting up the access door on barrel (1), its characterized in that, the access door includes that the left end is articulated with barrel (1) and can be with the door plant subassembly of the access hole cover on barrel (1), be located the door plant subassembly outside and path end activity run through behind the door plant subassembly both sides with prevent that it from dismantling king pin (3) of being connected with main fender position spare (2) that follow the door plant subassembly and the right-hand member is articulated with barrel (1) and the left end passes behind the interval between king pin (3) and the door plant subassembly and dismantles keeper (4) of being connected with barrel (1).

2. The structure of the inspection door of the crushing cavity of the impact crusher as claimed in claim 1, wherein the door bolt is detachably connected with the cylinder body (1) through a door pin assembly, the door pin assembly comprises a door pin (5) installed on the cylinder body (1), a screw rod (6) with one end movably sleeved on the door pin (5) and a nut (7) in threaded connection with the other end of the screw rod (6);

a screw rod through hole (18) matched with the screw rod (6) is formed in the left end of the bolt (4), and the left side of the screw rod through hole (18) extends outwards and is communicated with the outside;

the nut (7) is positioned on one side, away from the barrel (1), of the bolt (4), and the end of the nut abuts against the bolt (4).

3. An inspection door structure of a crushing chamber of an impact crusher according to claim 2, characterized in that the screw (6) is movably sleeved on the door pin (5) through a first seat (8), and the end of the screw (6) is connected with the first seat (8).

4. An inspection door structure of a crushing chamber of an impact crusher according to claim 2, characterized in that a spring washer (9) is provided between the nut (7) and the bolt (4) and fitted over the screw (6).

5. The structure of the inspection door of the crushing cavity of the impact crusher as claimed in claim 2, wherein the door pin (5) is installed on the barrel (1) through the door pin seat (10), two door pin seats (10) are provided, both are fixed on the barrel (1), and the small diameter end of the door pin (5) is inserted radially by the split pin A (11) after sequentially passing through the two door pin seats (10).

6. The structure of an inspection door of a crushing cavity of an impact crusher according to claim 1, wherein the door plate assembly comprises a door plate (12) covering the access opening and two connecting plates (13) fixedly arranged at the upper side and the lower side of the outer part of the door plate (12), the middle parts of the connecting plates (13) are respectively provided with a through hole for the main pin (3) to movably penetrate through, and the right side of the connecting plates (13) is hinged with the barrel (1) through the first assembly.

7. An inspection door structure of a crushing chamber of an impact crusher according to claim 6, characterized in that the first assembly comprises a first pin (14) and two first pin holders (15) fixed on the barrel (1), and the small diameter end of the first pin (14) is inserted radially by a first split pin (16) after passing through the two first pin holders (15) in sequence.

8. An inspection door structure of a crushing chamber of an impact crusher according to claim 6, characterized in that a plurality of reinforcement rods (17) are provided between the connection plates (13) and along the circumference of the barrel (1), and both ends of the reinforcement rods (17) are connected to one connection plate (13) respectively.

9. An inspection door structure of a crushing chamber of an impact crusher according to any one of claims 1 to 8, characterized in that the door bolt (4) comprises two bolt plates (401) and a middle plate (402) for fixedly connecting the bolt plates (401), the right side of the bolt plate (401) is hinged with the barrel (1), and the left side of the bolt plate (401) is detachably connected with the barrel (1) after passing through the distance between the main pin (3) and the door plate component.

10. An impact crusher, characterized in that the impact crusher's inspection door structure is an inspection door structure according to any one of claims 1-9.