Hammer head testing apparatus

Abstract

The present application belongs to the technical field of detection equipment, and discloses a hammer head testing device. The existing hammer head testing device cannot accurately detect the performance of a new hammer head with strong wear-resistant material. The hammer head testing device comprises a support, a rotating assembly, a driving member, a material input assembly and a crushing assembly. The rotating assembly is configured with a to-be-tested hammer head and is fixed to the support. The driving member is connected with the rotating assembly and is used for driving the rotating assembly to rotate the to-be-tested hammer head at different rotating speeds. The material input assembly is fixed to the support and is located on one side of the rotating assembly. The crushing assembly is fixed to the support and is located on the other side of the rotating assembly. The to-be-tested hammer head can crush the material on the crushing assembly in the rotating path of the rotating assembly. The impact assembly is fixed to the support and can collide with the to-be-tested hammer head in the rotating path of the rotating assembly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hammer head detection, and particularly to a hammer head testing device. BACKGROUND

[0002] Hammer crusher is a device for crushing materials in the form of impact, which is divided into single rotor and double rotor two forms, and is used for crushing materials with a maximum particle size of 600 to 1800 mm to 25 or 25 mm or less in a first crushing process, and is a commonly used device in crushing production operations. The material entering the crusher is broken by the impact, impact and shearing force of the hammer head, and the strength and direction of the impact force of the hammer head directly affect the crushing effect of the material.

[0003] After a long crushing work, the hammer head will be damaged by dropping, breaking and wear and tear. The material of the hammer head should not only have good wear resistance, but also have certain toughness, and the connecting part of the hammer head and the hammer handle should also have good mechanical strength. After years of updating and iteration, the structure of the hammer head is mostly double-metal material, such as the production process of a double-metal composite crusher hammer head disclosed in the existing patent CN201410166844.3, the easy-wear area of the hammer head adopts wear-resistant metal material or metal-based particle reinforced wear-resistant material, and the connecting area adopts metal material with better strength.

[0004] The test parameter range of the general wear tester is quite different from the actual production parameters of the new type of crusher, especially the speed difference is large, so there is a certain error in the detection of the new type of hammer head wear-resistant material and the actual situation. SUMMARY

[0005] The purpose of the present application is to provide a hammer head testing device and its installation process, which aims to solve the problem that the existing hammer head testing device cannot accurately detect the performance of the new type of hammer head with strong wear-resistant material.

[0006] To achieve this purpose, the technical scheme adopted by the present application is as follows: a hammer head testing device, comprising:

[0007] a support;

[0008] a rotating assembly, which is configured with a to-be-tested hammer head and is fixed to the support;

[0009] a driving member connected with the rotating assembly, used to drive the rotating assembly to rotate the to-be-tested hammer head at different speeds;

[0010] a material input assembly fixed to the support and located on one side of the rotating assembly;

[0011] a crushing assembly fixed to the support and located on the other side of the rotating assembly, and in the path of the rotating assembly driving the hammer head to rotate, the hammer head can crush the material on the crushing assembly;

[0012] a striking assembly fixed to the support, and the striking assembly can strike the hammer head in the path of the rotating assembly driving the hammer head to rotate.

[0013] As a preferred, the crushing assembly includes a crushing plate and a first adjusting mechanism located on one side of the crushing plate, the first adjusting mechanism is used to adjust the distance between the crushing plate and the hammer head.

[0014] As a preferred, the first adjusting mechanism includes a liftable support seat;

[0015] The crushing plate is fixed to the liftable support seat, and the liftable support seat can adjust the distance between the crushing plate and the hammer head.

[0016] As a preferred, the striking assembly includes a striking head and a second adjusting mechanism located on one side of the striking head, the second adjusting mechanism is used to adjust the impact force between the striking head and the hammer head.

[0017] As a preferred, the second adjusting mechanism includes an elastic member;

[0018] The elastic member is arranged in the direction of the collision movement of the hammer head and the striking head, so that when the hammer head and the striking head collide, the elastic member can provide impact force and reset the striking head.

[0019] As a preferred, the rotating assembly includes a main shaft, a connecting plate, a hammer handle and the hammer head;

[0020] One end of the main shaft is connected with the driving member, the other end of the main shaft passes through the connecting plate, one end of the connecting plate is connected with the hammer handle, and the other end of the hammer handle is connected with the hammer head.

[0021] As a preferred, the connecting plate includes two fixed end portions arranged oppositely;

[0022] The number of the hammer head is two, and the two hammer heads are respectively located at the two fixed end portions.

[0023] As a preferred, it further includes a material collecting assembly;

[0024] The material collecting assembly is located on the other side of the crushing assembly.

[0025] As a preferred, the crushing plate is an arc-shaped plate.

[0026] As preferred, the box is further included;

[0027] The box at least covers the rotating assembly, the crushing assembly and the impact assembly.

[0028] The present application has the following advantages: in the technical scheme of the present application, the driving assembly drives the rotating assembly to drive the to-be-tested hammer head to rotate at different rotating speeds, the material conveying assembly inputs the material from the upper side of the rotating assembly, the material is crushed on the crushing plate by the crushing assembly located at the lower side of the rotating assembly, and the hammer head continuously hits the impact assembly in the rotating path, so that the performance of the hammer head is detected under the condition that the rotating speed, the impact and the abrasion coexist, the actual production working condition of the hammer head is better simulated, and the performance of the hammer head is more accurately detected. BRIEF DESCRIPTION OF DRAWINGS

[0029] Fig. 1 is a structural schematic view of a hammer head testing device according to an embodiment of the present application;

[0030] Fig. 2 is a structural schematic view of a part of a hammer head testing device according to an embodiment of the present application;

[0031] Fig. 3 is a structural schematic view of a support according to an embodiment of the present application;

[0032] Fig. 4 is a structural schematic view of a rotating assembly according to an embodiment of the present application;

[0033] Fig. 5 is a structural schematic view of a crushing assembly according to an embodiment of the present application;

[0034] Fig. 6 is a structural schematic view of an impact assembly according to an embodiment of the present application.

[0035] In the figure: 11, support; 111, left fixed frame; 112, right fixed frame; 113, arc-shaped frame; 12, rotating assembly; 121, main shaft; 122, connecting plate; 123, hammer handle; 124, to-be-tested hammer head; 125, rotor; 126, shaft coupling; 13, driving member; 14, material input assembly; 141, material inlet; 142, material inlet barrel; 15, crushing assembly; 151, crushing plate; 152, first adjusting mechanism; 16, impact assembly; 161, impact head; 162, second adjusting mechanism; 1621, fixed seat; 1622, elastic member; 1623, rotating shaft; 1624, rebound plate; 17, material collecting assembly; 171, material collecting box; 172, baffle; 173, operating rod; 18, box; 181, upper cover; 182, lower cover. DETAILED DESCRIPTION

[0036] The application will be further described below in conjunction with the drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not to be used to limit the scope of the application. In addition, it should be noted that, in the drawings, only the parts related to the application are shown and not all the parts.

[0037] In the description of the application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or detachably connected, or integrated; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0038] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "above" and "on" of the first feature to the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "under" and "under" of the first feature to the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0039] In the description of the present embodiment, the terms "upper", "lower", "right", and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0040] First, refer to Figs. 1-2As shown, the hammer head testing device provided by the present application comprises a support 11, a rotating assembly 12, a driving member 13, a material input assembly 14, a crushing assembly 15 and an impact assembly 16. The rotating assembly 12 is arranged with a hammer head 124 to be tested and is fixed to the support 11. The driving member 13 is connected with the rotating assembly 12 and is used to drive the rotating assembly 12 to rotate the hammer head 124 to be tested at different rotating speeds. The material input assembly 14 is fixed to the support 11 and is located on the upper side of the rotating assembly 12. The crushing assembly 15 is fixed to the support 11 and is located on the lower side of the rotating assembly 12, so that the rotating assembly 12 can drive the hammer head 124 to be tested to rotate in a path, and the hammer head 124 to be tested can crush the material on the crushing assembly 15. The impact assembly 16 is fixed to the support 11, and the impact assembly 16 can collide with the hammer head 124 to be tested in the path in which the rotating assembly 12 drives the hammer head 124 to be tested to rotate.

[0041] Specifically, the driving assembly provides a power source for the rotating assembly 12 to rotate the hammer head 124 to be tested at different rotating speeds. The material input assembly continuously inputs the material from the upper side of the rotating assembly 12, so that the material can be in contact with the hammer head. The crushing assembly 15 located on the lower side of the rotating assembly 12 crushes the material on the crushing plate 151. The hammer head continuously collides with the impact assembly 16 in the rotating path, so as to simulate the performance detection of the hammer head under the condition that the hammer head is simultaneously subjected to impact crushing and impact wear simulation at different rotating speeds of the rotor 125, better simulate the actual production conditions of the hammer head, and more accurately detect the performance of the hammer head.

[0042] It should be noted that the hammer head 124 to be tested is arranged on the rotating assembly 12. The rotating assembly 12 can drive the hammer head 124 to be tested to rotate at different rotating speeds under the driving of the driving member 13. In the rotating process of the hammer head 124 to be tested, the hammer head 124 to be tested is not only subjected to the impact of the material input from the material input assembly 14 and crushes the input material at the crushing plate 151, but also collides with the impact assembly 16, so as to simulate the state of the material being impacted, realize the performance detection of the hammer head 124 to be tested under the coexisting state of impact damage and impact wear, and improve the accuracy of the detection result.

[0043] Preferably, the driving member 13 is a motor, which can generate driving torque as a stable and reliable power source. The motor and the rotating assembly 12 can be connected through a connecting shaft to realize the rotation of the rotating assembly 12 driven by the motor. Alternatively, the driving member 13 is a variable frequency motor, so that the output power of the driving member 13 can be adjusted.

[0044] For example, the rotating assembly 12 is a rotating shaft, and the hammer head 124 to be tested is arranged on the rotating shaft. Figs. 2-3As shown, the support 11 comprises a left fixed frame 111, a right fixed frame 112 and an arc-shaped frame 113; the arc-shaped frame 113 comprises an upper part and a lower part; the arc-shaped frame 113 is fixed on the left fixed frame 111; the right fixed frame 112 is used for fixing the driving member 13; the left fixed frame 111 can fix and support the rotating assembly 12, and the material input assembly 14, the crushing assembly 15, the impact assembly 16 and the material collecting assembly 17 are all arranged on the arc-shaped frame 113. It is worth mentioning that the impact assembly 16 is arranged at the center position of the arc-shaped frame 113, the rotating assembly 12 is arranged inside the arc-shaped frame 113, the material input assembly 14 is arranged at the top of the arc-shaped frame 113, and the crushing assembly 15 is arranged at the bottom end of the arc-shaped frame 113; the top end of the upper part of the arc-shaped frame 113 is provided with a hollow space for spacing, which is the feeding port 141 of the material input assembly 14; the upper part of the arc-shaped frame 113 further comprises an observation door at the front end and a wear-resistant lining plate in the semi-arc shape; the bottom end of the lower part of the arc-shaped frame 113 is provided with the crushing assembly 15, wherein the left fixed frame 111 is provided with a baffle 172, and the opening of the baffle 172 is the discharge port corresponding to the material collecting box 171.

[0045] The material input assembly 14 comprises a feeding barrel 142, the upper end of the feeding barrel 142 is the feeding port 141, and the lower end of the feeding barrel 142 is the discharge port; the size of the feeding barrel 142 gradually decreases from the feeding port 141 to the discharge port, so as to ensure that the material input into the feeding barrel 142 can be more uniformly conveyed; it is worth mentioning that by installing the material input assembly 14 on the upper side of the rotating assembly 12, when the rotating assembly 12 drives the to-be-tested hammer head 124 to rotate, the material can be input from the upper end, crushed by the crushing assembly 15 at the lower side, and impacted by the impact assembly 16 in the rotating path.

[0046] As shown in Fig. 5 The crushing assembly 15 comprises a crushing plate 151 and a first adjusting mechanism 152 located on one side of the crushing plate 151, and the first adjusting mechanism 152 is used for adjusting the distance between the crushing plate 151 and the to-be-tested hammer head 124.

[0047] Specifically, by arranging the first adjusting mechanism 152 at the lower end of the crushing plate 151, the distance between the crushing plate 151 and the to-be-tested hammer head 124 can be adjusted, the to-be-tested hammer head 124 can perform a crushing experiment on the crushing plate 151 corresponding to different distances, the performance of the to-be-tested hammer head 124 can be more comprehensively detected, and various detection requirements can be met.

[0048] Exemplarily, the first adjusting mechanism 152 comprises a liftable support seat; the crushing plate 151 is fixed on the liftable support seat, and the liftable support seat can adjust the distance between the crushing plate 151 and the to-be-tested hammer head 124.

[0049] Specifically, the position of the crushing plate 151 is moved along the direction towards or away from the hammer head 124 to be tested by the liftable support seat arranged at the lower side of the crushing plate 151, which is simple and convenient to operate, facilitates quick adjustment of the crushing plate 151, and is high in experimental efficiency.

[0050] The liftable support seat can be an electric telescopic support seat, which can be quickly and electrically controlled to adjust the extension or retraction of the support seat, and is more convenient to use.

[0051] As shown in Fig. 6 The impact assembly 16 includes an impact head 161 and a second adjusting mechanism 162 arranged at one side of the impact head 161, and the second adjusting mechanism 162 is used to adjust the impact force between the impact head 161 and the hammer head 124 to be tested.

[0052] Specifically, the second adjusting mechanism 162 is arranged at the outer side of the impact head 161, which facilitates corresponding adjustment of the impact force of the impact head 161 when the hammer head 124 to be tested collides with the impact head 161, realizes that the hammer head 124 to be tested can be tested under a plurality of impact forces, and ensures the accuracy of the test results of the hammer head 124 to be tested.

[0053] Exemplarily, the second adjusting mechanism 162 includes an elastic member 1622, which is arranged in the direction of collision and movement of the hammer head 124 to be tested and the impact head 161, so that the elastic member 1622 can provide impact force and reset the impact head 161 when the hammer head 124 to be tested collides with the impact head 161.

[0054] Specifically, the second adjusting mechanism 162 includes an elastic member 1622, which is arranged in the direction of collision and movement of the hammer head 124 to be tested and the impact head 161, so that the elastic member 1622 can provide impact force and reset the impact head 161 when the hammer head 124 to be tested collides with the impact head 161.

[0055] The second adjusting mechanism 162 includes a fixed seat 1621, the lower end of the fixed seat 1621 is provided with an elastic member 1622, the fixed seat 1621 is connected with the impact head 161 through a rotating shaft 1623 and a rebound plate 1624, and the impact force of the impact assembly 16 can be correspondingly adjusted in the direction of impact movement when the hammer head 124 to be tested rotates in a circle, which ensures that the hammer head 124 to be tested can be subjected to impact experiments under a plurality of impact forces and meets various experimental requirements.

[0056] As shown in Fig. 4As shown, the rotating assembly 12 comprises a main shaft 121, a connecting plate 122 and a hammer handle 123; one end of the main shaft 121 is connected with the driving member 13, the other end of the main shaft 121 passes through the connecting plate 122, one end of the connecting plate 122 is connected with the hammer handle 123, and the other end of the hammer handle 123 is connected with the to-be-tested hammer head 124.

[0057] Specifically, since the right end of the main shaft 121 is connected with the driving member 13, the left end of the main shaft 121 passes through the connecting plate 122, and the two ends of the connecting plate 122 are respectively connected with the hammer handle 123, and the end of the hammer handle 123 is connected with the to-be-tested hammer head 124, so that the driving member 13 can drive the main shaft 121 and the two to-be-tested hammer heads 124 arranged on the two hammer handles 123 to simultaneously test the performance of the two to-be-tested hammer heads 124.

[0058] Specifically, the main shaft 121 is connected with the driving member 13 through the coupling 126, wherein the coupling 126 is preferably an elastic coupling 126, and the driving member 13 is preferably a variable frequency motor, so that the performance of the to-be-tested hammer head 124 can be tested at different rotating speeds.

[0059] Specifically, the connecting plate 122 is connected with the main shaft 121, and the main shaft 121 is connected with the driving member 13; the connecting plate 122 comprises two opposite fixed end portions; the number of the to-be-tested hammer heads 124 is two, and the two to-be-tested hammer heads 124 are respectively located at the two fixed end portions.

[0060] Specifically, by arranging the two to-be-tested hammer heads 124 at the two fixed end portions of the connecting plate 122, the performance of the two to-be-tested hammer heads 124 can be simultaneously detected, so that the detection efficiency and accuracy are improved.

[0061] Specifically, the fixed end portion comprises a connecting rod; one end of the connecting rod is connected with the connecting plate 122 through a shaft pin, and the other end of the connecting rod is provided with the hammer handle 123, and the hammer handle 123 is connected with the to-be-tested hammer head 124 through a shaft pin.

[0062] Specifically, the collecting assembly 17 is arranged on the other side of the crushing assembly 15.

[0063] Specifically, by arranging the collecting assembly 17 on the right side of the crushing assembly 15, the to-be-tested hammer head 124 and the material can be collected by the collecting assembly 17 after the crushing experiment, so that the material can be orderly summarized.

[0064] The aggregate assembly 17 comprises an aggregate box 171, a baffle 172 and an operating rod 173; the baffle 172 is hinged to the box body 18, the operating rod 173 is connected to the baffle 172, and the aggregate box 171 is connected to the outer side of the baffle 172; when the to-be-tested hammer head 124 is tested, the baffle 172 seals the lower cover 182; after the to-be-tested hammer head 124 completes the test, the baffle 172 hinged to the box body 18 is removed through the operating rod 173, so that the material in the box body 18 is output and can be collected by the aggregate box 171 outside the baffle 172.

[0065] Exemplarily, the crushing plate 151 is an arc-shaped plate.

[0066] Specifically, by selecting the crushing plate 151 as an arc-shaped plate, when the to-be-tested hammer head 124 performs the circumferential rotating motion, the to-be-tested hammer head 124 and the material can have a larger contact area on the arc-shaped crushing plate 151, so that a better crushing effect is achieved.

[0067] Exemplarily, the device further comprises a box body 18; the box body 18 at least covers the rotating assembly 12, the crushing assembly 15 and the impact assembly 16.

[0068] Specifically, the box body 18 is preferably covered on the rotating assembly 12, the crushing assembly 15 and the impact assembly 16, so that the test of the to-be-tested hammer head 124 is performed in the box body 18, and the problem of material splashing is avoided. The box body 18 comprises an upper cover 181 and a lower cover 182; the upper cover 181 and the lower cover 182 are detachably connected through bolts; the upper part of the arc-shaped frame 113 is welded to the upper cover 181, and the lower part of the arc-shaped frame 113 is welded to the lower cover 182.

[0069] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. It is unnecessary and impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A hammer head testing apparatus, characterized by, It comprises: a support (11); a rotating assembly (12) on which a to-be-tested hammer head (124) is arranged, and the rotating assembly (12) is fixed to the support (11); a driving member (13) connected with the rotating assembly (12) and used for driving the rotating assembly (12) to drive the to-be-tested hammer head (124) to rotate at different rotating speeds; a material input assembly (14) fixed to the support (11) and located at one side of the rotating assembly (12); a crushing assembly (15) fixed to the support (11) and located at the other side of the rotating assembly (12), so that the to-be-tested hammer head (124) can crush materials on the crushing assembly (15) in a path in which the rotating assembly (12) drives the to-be-tested hammer head (124) to rotate; an impact assembly (16) fixed to the support (11), and the impact assembly (16) can collide with the to-be-tested hammer head (124) in the path in which the rotating assembly (12) drives the to-be-tested hammer head (124) to rotate; the to-be-tested hammer head (124) is used for performance detection in a state in which different rotating speeds, impacts and abrasions coexist; the crushing assembly (15) comprises a crushing plate (151) and a first adjusting mechanism (152) located at one side of the crushing plate (151), and the first adjusting mechanism (152) is used for adjusting the distance between the crushing plate (151) and the to-be-tested hammer head (124); the first adjusting mechanism (152) comprises a liftable support seat; the crushing plate (151) is fixed to the liftable support seat, and the liftable support seat can adjust the distance between the crushing plate (151) and the to-be-tested hammer head (124); the impact assembly (16) comprises an impact head (161) and a second adjusting mechanism (162) located at one side of the impact head (161), and the second adjusting mechanism (162) is used for adjusting the impact force between the impact head (161) and the to-be-tested hammer head (124).

2. The hammer head testing apparatus of claim 1, wherein, the second adjusting mechanism (162) comprises an elastic member (1622); the elastic member (1622) is arranged in the direction in which the to-be-tested hammer head (124) and the impact head (161) collide and move, so that the elastic member (1622) can provide impact force and reset the impact head (161) when the to-be-tested hammer head (124) and the impact head (161) collide.

3. The hammer head testing apparatus of claim 1, wherein, the rotating assembly (12) comprises a main shaft (121), a connecting plate (122), a hammer handle (123) and the to-be-tested hammer head (124); one end of the main shaft (121) is connected with the driving member (13), the other end of the main shaft (121) penetrates through the connecting plate (122), one end of the connecting plate (122) is connected with the hammer handle (123), and the other end of the hammer handle (123) is connected with the to-be-tested hammer head (124).

4. The hammer head testing apparatus of claim 3, wherein, the connecting plate (122) comprises two opposite fixed end portions. The number of the hammer heads (124) to be tested is two, and the two hammer heads (124) to be tested are respectively located at two fixed end portions.

5. The hammer head testing apparatus of claim 1, wherein, Further comprising an aggregate assembly (17); The aggregate assembly (17) is located on the other side of the crushing assembly (15).

6. The hammer head testing apparatus of claim 1, wherein, The crushing plate (151) is an arc-shaped plate.

7. The hammer head testing apparatus of claim 1, wherein, Further comprising a box (18); The box (18) at least covers the rotating assembly (12), the crushing assembly (15) and the impact assembly (16).

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