CN212807552U

CN212807552U - Automatic drop hammer device of drop hammer impact testing machine

Info

Publication number: CN212807552U
Application number: CN202021486352.XU
Authority: CN
Inventors: 崔洋; 陈松; 丁峰; 逄淑红; 李美红
Original assignee: Qingdao Fengcheng Engineering Testing Co ltd
Current assignee: Fengcheng Qingdao Testing And Certification Technology Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-03-26
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses an automatic hammer device that falls of hammer impact tester falls, include bottom plate, frame, guide bar, actuating mechanism, drop hammer structure, link and accept the seat. The utility model discloses the automatic hammer device that falls of hammer impact tester falls, through starting driving motor, driving motor drives the axis of rotation and rotates, the axis of rotation is tensile to the haulage rope in the time of pivoted, the haulage rope drives to be connected the seat of honour and rises, the gravity board is followed and is risen, when the gravity board rises to certain height, stop driving motor's power, the gravity board falls downwards under the influence of gravity, the next board with accept the board and bump, the next board passes through the spliced pole and drives the fly leaf upward movement, compress the buffering to buffer spring, accept to cushion through main buffer layer and secondary buffer layer after the board receives the impact, the device can effectually carry out dual protection with the hammer itself to the hammer accepting department that falls, avoid producing the influence to the impact test.

Description

Automatic drop hammer device of drop hammer impact testing machine

Technical Field

The utility model relates to an impact tester technical field specifically is an automatic hammer device that falls of hammer impact tester falls.

Background

The drop hammer testing machine is mainly used for vehicle buffer performance detection and durability tests. The hammer head is lifted to a certain height, then the hammer head is released, the hammer head is enabled to freely fall down to hit the buffer, the stroke and the impedance force of the buffer when being hit are measured, and therefore technical indexes such as the capacity and the absorption rate of the buffer are calculated, and the requirements related to the maintenance of the railway freight car are met.

The existing impact testing machine can not effectively protect the receiving part of the drop hammer when the drop hammer falls automatically, so that the receiving part of the drop hammer is damaged or the drop hammer is damaged, and the impact testing result is adversely affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic hammer device that falls of hammer impact tester can carry out dual protection with the hammer itself by effectual accepting department to the hammer that falls, avoids producing the influence to impact test, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic hammer device that falls of hammer impact tester, includes bottom plate, frame, guide bar, actuating mechanism, the hammer structure that falls, link and accepts the seat, the top of bottom plate is equipped with the frame, the bottom fixed mounting of frame is on the bottom plate, the inboard of frame is equipped with the guide bar, the top fixed connection of guide bar is on the frame, the bottom fixed mounting of guide bar is on the bottom plate, the top of frame is equipped with actuating mechanism, two be equipped with the hammer structure that falls between the guide bar, the top of the hammer structure that falls is equipped with the link, the top fixed mounting of link is on the frame, the below of the hammer structure that falls is equipped with accepts the seat.

Preferably, actuating mechanism includes driving motor, motor frame, axis of rotation, bearing frame, connecting plate, limiting plate and haulage rope, driving motor's the outside is equipped with the motor frame, driving motor's bottom is connected with the axis of rotation, the bottom movable mounting of axis of rotation is in the bearing frame, the bottom fixed mounting of bearing frame is on the connecting plate, one side fixed connection of connecting plate is on the frame, install the limiting plate in the axis of rotation, the winding has the haulage rope on the limiting plate.

Preferably, the drop hammer structure includes the gravity board, connects seat, connecting hole and buffering lower seat, the top fixed mounting of gravity board has the connection seat of honour, the connecting hole has been seted up to the inside of connecting the seat of honour, the bottom of gravity board is equipped with buffering lower seat.

Preferably, the buffering lower seat comprises an upper plate, a column frame, a movable plate, a buffer spring, a connecting column and a lower plate, the bottom fixedly connected with column frame of the upper plate is movably mounted in the column frame, the movable plate is movably mounted in the column frame, the buffer spring is fixedly mounted at the top of the movable plate, the top of the buffer spring is fixedly mounted on the upper plate, the bottom of the movable plate is fixedly connected with the connecting column, and the bottom of the connecting column is fixedly mounted on the lower plate.

Preferably, the bearing seat comprises a bearing base, a secondary buffer layer, a main buffer layer and a bearing plate, the secondary buffer layer is fixedly adhered to the top end of the bearing base, the main buffer layer is fixedly adhered to the top end of the secondary buffer layer, and the bearing plate is fixedly adhered to the top end of the main buffer layer.

Preferably, one end of the traction rope is fixedly connected to the rotating shaft, and the other end of the traction rope is fixedly connected with the connecting upper seat through the connecting hole.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses the automatic hammer device that falls of hammer impact tester falls, through starting driving motor, driving motor drives the axis of rotation and rotates, the axis of rotation is tensile to the haulage rope in the time of pivoted, the haulage rope drives to be connected the seat of honour and rises, the gravity board is followed and is risen, when the gravity board rises to certain height, stop driving motor's power, the gravity board falls downwards under the influence of gravity, the next board with accept the board and bump, the next board passes through the spliced pole and drives the fly leaf upward movement, compress the buffering to buffer spring, accept to cushion through main buffer layer and secondary buffer layer after the board receives the impact, the device can effectually carry out dual protection with the hammer itself to the hammer accepting department that falls, avoid producing the influence to the impact test.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of the driving mechanism of the present invention;

FIG. 3 is an enlarged view of the drop hammer structure of the present invention;

FIG. 4 is a schematic structural view of the lower buffer seat of the present invention;

fig. 5 is a sectional view of the socket of the present invention.

In the figure: 1. a base plate; 2. a frame; 3. a guide bar; 4. a drive mechanism; 41. a drive motor; 42. a motor frame; 43. a rotating shaft; 44. a bearing seat; 45. a connecting plate; 46. a limiting plate; 47. a hauling rope; 5. a drop hammer structure; 51. a gravity plate; 52. connecting an upper seat; 53. connecting holes; 54. a buffer lower seat; 541. an upper plate; 542. a column frame; 543. a movable plate; 544. a buffer spring; 545. connecting columns; 546. a lower plate; 6. hanging a ring; 7. a bearing seat; 71. a receiving base; 72. a secondary buffer layer; 73. a primary buffer layer; 74. a bearing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an automatic drop hammer device of a drop hammer impact tester comprises a bottom plate 1, a frame 2, guide rods 3, a driving mechanism 4, a drop hammer structure 5, hanging rings 6 and a bearing seat 7, wherein the top end of the bottom plate 1 is provided with the frame 2, the bottom end of the frame 2 is fixedly arranged on the bottom plate 1, the inner side of the frame 2 is provided with the guide rods 3, the top end of each guide rod 3 is fixedly connected to the frame 2, the bottom end of each guide rod 3 is fixedly arranged on the bottom plate 1, the top end of the frame 2 is provided with the driving mechanism 4, the drop hammer structure 5 is arranged between the two guide rods 3, the hanging rings 6 are arranged above the drop hammer structure 5, the top ends of the hanging rings 6 are fixedly arranged on the frame 2, the bearing seat 7 is arranged below the drop hammer structure 5, the driving mechanism 4 comprises a driving motor 41, a motor frame 42, a rotating shaft 43, a bearing seat 44, a connecting plate 45, a limiting plate, the bottom of driving motor 41 is connected with axis of rotation 43, the bottom movable mounting of axis of rotation 43 is in bearing frame 44, the bottom fixed mounting of bearing frame 44 is on connecting plate 45, one side fixed connection of connecting plate 45 is on frame 2, install limiting plate 46 on the axis of rotation 43, the winding has haulage rope 47 on the limiting plate 46, the one end fixed connection of haulage rope 47 is on axis of rotation 43, the other end of haulage rope 47 passes through connecting hole 53 and is connected upper seat 52 fixed connection, through starting driving motor 41, driving motor 41 drives axis of rotation 43 and rotates, axis of rotation 43 is tensile to haulage rope 47 in the pivoted, haulage rope 47 drives and connects upper seat 52 and rises, gravity board 51 is followed and is risen.

Referring to fig. 3-5, the drop hammer structure 5 includes a gravity plate 51, a connecting upper seat 52, a connecting hole 53 and a buffering lower seat 54, two ends of the gravity plate 51 are penetrated by the guide rod 3, the top end of the gravity plate 51 is fixedly installed with the connecting upper seat 52, the connecting hole 53 is opened inside the connecting upper seat 52, the buffering lower seat 54 is disposed at the bottom of the gravity plate 51, the buffering lower seat 54 includes an upper plate 541, a column frame 542, a movable plate 543, a buffering spring 544, a connecting column 545 and a lower plate 546, the bottom of the upper plate 541 is fixedly connected with the column frame 542, the movable plate 543 is movably installed inside the column frame 542, the buffering spring 544 is fixedly installed at the top end of the movable plate 541, the connecting column 545 is fixedly connected with the bottom end of the movable plate 543, the lower plate 546 is fixedly installed at the bottom end of the connecting column 545, the receiving seat 7 includes a receiving base 71 and a secondary buffer layer 72, The top end of the receiving base 71 is fixedly adhered with a secondary buffer layer 72, the top end of the secondary buffer layer 72 is fixedly adhered with a primary buffer layer 73, the top end of the primary buffer layer 73 is fixedly adhered with a receiving plate 74, when the gravity plate 51 rises to a certain height, the power of the driving motor 41 is stopped, the gravity plate 51 falls downwards under the influence of gravity, the lower plate 546 collides with the receiving plate 74, the lower plate 546 drives the movable plate 543 to move upwards through the connecting column 545 to compress and buffer the buffer spring 544, and the receiving plate 74 is buffered through the primary buffer layer 73 and the secondary buffer layer 72 after being impacted.

The working principle is as follows: by starting the driving motor 41, the driving motor 41 drives the rotating shaft 43 to rotate, the rotating shaft 43 rotates and simultaneously stretches the pulling rope 47, the pulling rope 47 drives the connecting upper seat 52 to ascend, the gravity plate 51 ascends along with the gravity plate, when the gravity plate 51 ascends to a certain height, the power of the driving motor 41 is stopped, the gravity plate 51 falls downwards under the influence of gravity, the lower plate 546 collides with the bearing plate 74, the lower plate 546 drives the movable plate 543 to move upwards through the connecting column 545, the buffer spring 544 is compressed and buffered, and the bearing plate 74 is buffered through the main buffer layer 73 and the secondary buffer layer 72 after being impacted.

In summary, the following steps: the utility model discloses the automatic hammer device that falls of hammer impact tester, through starting driving motor 41, driving motor 41 drives axis of rotation 43 and rotates, axis of rotation 43 is tensile to haulage rope 47 in the pivoted, haulage rope 47 drives and connects seat of honour 52 and rises, gravity board 51 is followed and is risen, when gravity board 51 rises to certain height, stop driving motor 41's the power that falls, gravity board 51 is downward under the influence of gravity, lower board 546 collides with accepting board 74, lower board 546 drives fly leaf 543 upward movement through spliced pole 545, compress the buffering to buffer spring 544, accept board 74 and receive and cushion through main buffer layer 73 and inferior buffer layer 72 after strikeing, the device can effectually accept the department and carry out dual protection with the hammer itself to the hammer that falls, avoid producing the influence to the impact test.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic hammer device that falls of hammer impact tester, includes bottom plate (1), frame (2), guide bar (3), actuating mechanism (4), drop hammer structure (5), link (6) and accepts seat (7), its characterized in that: the top of bottom plate (1) is equipped with frame (2), the bottom fixed mounting of frame (2) is on bottom plate (1), the inboard of frame (2) is equipped with guide bar (3), the top fixed connection of guide bar (3) is on frame (2), the bottom fixed mounting of guide bar (3) is on bottom plate (1), the top of frame (2) is equipped with actuating mechanism (4), two be equipped with between guide bar (3) and drop hammer structure (5), the top of drop hammer structure (5) is equipped with link (6), the top fixed mounting of link (6) is on frame (2), the below of drop hammer structure (5) is equipped with accepts seat (7).

2. The automatic drop hammer device of the drop hammer impact tester according to claim 1, characterized in that: actuating mechanism (4) are including driving motor (41), motor frame (42), axis of rotation (43), bearing frame (44), connecting plate (45), limiting plate (46) and haulage rope (47), the outside of driving motor (41) is equipped with motor frame (42), the bottom of driving motor (41) is connected with axis of rotation (43), the bottom movable mounting of axis of rotation (43) is in bearing frame (44), the bottom fixed mounting of bearing frame (44) is on connecting plate (45), one side fixed connection of connecting plate (45) is on frame (2), install limiting plate (46) on axis of rotation (43), the winding has haulage rope (47) on limiting plate (46).

3. The automatic drop hammer device of the drop hammer impact tester according to claim 1, characterized in that: drop hammer structure (5) and include gravity plate (51), connect upper bracket (52), connecting hole (53) and buffering lower bracket (54), the top fixed mounting of gravity plate (51) has connection upper bracket (52), connecting hole (53) have been seted up to the inside of connecting upper bracket (52), the bottom of gravity plate (51) is equipped with buffering lower bracket (54).

4. The automatic drop hammer device of the drop hammer impact tester according to claim 3, wherein: buffer lower seat (54) includes superior board (541), post frame (542), fly leaf (543), buffer spring (544), spliced pole (545) and inferior board (546), the bottom fixedly connected with post frame (542) of superior board (541), the inside movable mounting of post frame (542) has fly leaf (543), the top fixed mounting of fly leaf (543) has buffer spring (544), the top fixed mounting of buffer spring (544) is at superior board (541), the bottom fixedly connected with spliced pole (545) of fly leaf (543), the bottom fixed mounting of spliced pole (545) has inferior board (546).

5. The automatic drop hammer device of the drop hammer impact tester according to claim 1, characterized in that: the bearing seat (7) comprises a bearing base (71), a secondary buffer layer (72), a main buffer layer (73) and a bearing plate (74), the secondary buffer layer (72) is fixedly adhered to the top end of the bearing base (71), the main buffer layer (73) is fixedly adhered to the top end of the secondary buffer layer (72), and the bearing plate (74) is fixedly adhered to the top end of the main buffer layer (73).

6. The automatic drop hammer device of the drop hammer impact tester according to claim 2, characterized in that: one end of the traction rope (47) is fixedly connected to the rotating shaft (43), and the other end of the traction rope (47) is fixedly connected with the connecting upper seat (52) through the connecting hole (53).