CN215640651U - Drop hammer impact test is with quick push mechanism - Google Patents
Drop hammer impact test is with quick push mechanism Download PDFInfo
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- CN215640651U CN215640651U CN202122347650.1U CN202122347650U CN215640651U CN 215640651 U CN215640651 U CN 215640651U CN 202122347650 U CN202122347650 U CN 202122347650U CN 215640651 U CN215640651 U CN 215640651U
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- limiting frame
- movable trolley
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Abstract
The utility model belongs to the technical field of drop hammer testing machine equipment, and provides a quick pushing mechanism for a drop hammer impact test, which comprises a base, wherein a support and a guide rail are arranged on the base, two fixed rods are arranged at two ends of the guide rail, a first limiting frame and a second limiting frame are respectively arranged at the two ends of the guide rail, an electric push rod is arranged on the first limiting frame, a dragging piece is arranged at the movable end of the electric push rod, which faces the second limiting frame, a dragging piece is arranged on a movable trolley, a centering anti-swing mechanism is arranged on the movable trolley, the centering anti-swing mechanism comprises a centering component and an anti-swing component, a baffle is arranged at one end of the movable trolley, which is far away from the second limiting frame, the baffle is in contact fit with the second limiting frame, and a position adjusting mechanism for controlling the terminal position of the movable trolley is arranged at one end of the movable trolley, which faces the second limiting frame. The device has the advantages of reasonable design, simple structure, higher maneuvering performance, higher test efficiency, higher safety and suitability for large-scale popularization, and is favorable for reducing the working strength of workers.
Description
Technical Field
The utility model belongs to the technical field of drop hammer testing machine equipment, and relates to a quick pushing mechanism for a drop hammer impact test.
Background
The drop hammer tester, namely a drop hammer impact tester, is suitable for measuring the impact resistance of various pipes, plates, profiles (including steel rail profiles) and the like. The working principle of the device is that the drop hammer is lifted to a designed height under the action of the lifting mechanism, a test workpiece is placed under the drop hammer, the drop hammer is made to fall along the direction of the rack until the drop hammer impacts the test workpiece by releasing the drop hammer through the lifting mechanism, and corresponding test data are obtained according to surface defects of the test workpiece, or the number of times of impact or detection of an impact sensor.
At present, samples of a drop hammer testing machine basically depend on manual work to directly complete sample placement and sample centering, the efficiency is low, and certain danger exists; secondly, after the test is finished, the punched sample needs to be collected and taken out manually, so that the maneuverability is poor and the test efficiency is low.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems of the drop hammer testing machine, the utility model provides the rapid pushing mechanism for the drop hammer impact test, which has the advantages of reasonable design, simple structure, higher maneuverability, higher test efficiency, contribution to reducing the working strength of workers and higher safety.
In order to achieve the above object, the utility model adopts the technical scheme that the quick pushing mechanism for the drop hammer impact test comprises a base, wherein a support is arranged on the base, two guide rails which are symmetrically distributed are arranged at the top of the support, two fixing rods are arranged at two ends of each guide rail, a first limiting frame and a second limiting frame are respectively arranged on the two fixing rods, an electric push rod is arranged on the first limiting frame, the movable end of the electric push rod faces the second limiting frame and is provided with a dragging piece, the dragging piece is arranged on a movable trolley, two ends of the bottom of the movable trolley are in sliding fit with the guide rails, a cross hole is arranged on the movable trolley, the cross hole comprises a transverse part and a longitudinal part, a centering anti-swing mechanism which is vertically distributed with the direction of the movable end of the electric push rod is arranged in the transverse part, and the centering anti-swing mechanism comprises a centering component for centering a sample and an anti-swing mechanism for anti-swinging the sample The anti-swing component is characterized in that a baffle is arranged at one end, away from the second limiting frame, of the movable trolley, the baffle is in contact fit with the second limiting frame, and a position adjusting mechanism used for controlling the terminal position of the movable trolley is arranged at one end, facing the second limiting frame, of the movable trolley.
Preferably, the centering assembly comprises two pairs of dovetail blocks and a centering plate, each pair of dovetail blocks comprises dovetail blocks with opposite dovetail directions, dovetails of the dovetail blocks are matched with dovetail grooves formed in the inner wall of the transverse portion, the dovetail grooves are countersunk dovetail grooves, and the centering plate is matched with butt joint faces of each pair of dovetail blocks.
Preferably, the anti-swing assembly comprises four anti-swing check blocks which are symmetrically distributed in pairs and are of cylindrical structures, bolt holes are formed in the anti-swing check blocks and the movable trolley, and bolts for connecting the anti-swing check blocks and the movable trolley are arranged in the bolt holes.
Preferably, the bolt hole on the anti-swing block is an eccentric bolt hole.
Preferably, the second limiting frame comprises a lying T-shaped plate, and one end of the T-shaped plate faces the baffle.
Preferably, the position adjusting mechanism comprises an installation plate, the installation plate is connected with the front end of the movable trolley through a bolt, and a position sensor is arranged on one side, facing the second limiting frame, of the installation plate.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. according to the rapid pushing mechanism for the drop hammer impact test, the sample is borne by the movable trolley, the sample can obtain an accurate impact site and high anti-deflection capability under the action of the centering anti-deflection mechanism, and the movable trolley and the sample can be rapidly pushed and pulled out by the electric push rod, so that the working strength of workers is effectively reduced, and the efficiency of the drop hammer impact test is improved; the efficiency of the drop hammer impact test and the reliability of the test result can be further improved by utilizing the limiting blocking effect of the baffle and the second limiting frame and the position control effect of the position adjusting mechanism. The device has the advantages of reasonable design, simple structure, higher maneuvering performance, higher test efficiency, higher safety and suitability for large-scale popularization, and is favorable for reducing the working strength of workers.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is an isometric view of a quick push mechanism for a drop hammer impact test according to an embodiment;
FIG. 2 is an isometric view of the quick pushing mechanism for the drop hammer impact test provided by the embodiment in another direction;
FIG. 3 is an isometric view of a mobile cart and centering anti-swing mechanism provided in accordance with an embodiment;
FIG. 4 is an enlarged schematic view of the structure A in FIG. 3 according to an exemplary embodiment;
in the above figures, 1, a base; 2. a support; 3. a guide rail; 4. fixing the rod; 5. a first limit bracket; 6. a second limiting frame; 7. an electric push rod; 8. dragging the hanging piece; 9. moving the trolley; 10. a cross hole; 101. a transverse portion; 102. a longitudinal portion; 11. centering the anti-swing mechanism; 111. a centering assembly; 1111. a dovetail block; 1112. a centering plate; 1113. a dovetail groove; 112. a swing prevention assembly; 1121. a swing prevention stop block; 1122. a bolt; 12. a position adjustment mechanism; 121. mounting a plate; 122. a position sensor; 13. and a baffle plate.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
In the embodiment, as shown in fig. 1, 2, 3 and 4, the quick pushing mechanism for drop hammer impact test provided by the utility model comprises a base 1, a support 2 is arranged on the base 1, two guide rails 3 are symmetrically arranged on the top of the support 2, two fixing rods 4 are arranged at two ends of the guide rails 3, a first limiting frame 5 and a second limiting frame 6 are respectively arranged on the two fixing rods 4, an electric push rod 7 is arranged on the first limiting frame 5, a movable end of the electric push rod 7 faces the second limiting frame 6 and is provided with a towing piece 8, the towing piece 8 is arranged on a movable trolley 9, two ends of the bottom of the movable trolley 9 are in sliding fit with the guide rails 3, a cross hole 10 is arranged on the movable trolley 9, the cross hole 10 comprises a transverse part 101 and a longitudinal part 102, a centering anti-swing mechanism 11 is arranged in the transverse part 101 and is vertically distributed with the movable end of the electric push rod 7, the centering anti-swing mechanism 11 comprises a centering component 111 for centering the sample and an anti-swing component 112 for preventing the sample from swinging, a baffle 13 is arranged at one end, away from the second limiting frame 6, of the movable trolley 9, the top end of the baffle 13 is connected with one end of the longitudinal part 102, the baffle 13 is in contact fit with the second limiting frame 6, and a position adjusting mechanism 12 for controlling the terminal position of the movable trolley 9 is arranged at one end, facing the second limiting frame 6, of the movable trolley 9.
In the device, the base 1 and the bracket 2 serve as a supporting base of the guide rail 3, and provide conditions for the moving trolley 9 to move back and forth at the impact test station while supporting the guide rail 3. The movable trolley 9 can directly bear the test sample and is mainly convenient for the worker to take and place the test sample in the safety range away from the drop hammer testing machine; meanwhile, the sample can obtain an accurate impact point and high anti-deflection capability under the action of the centering anti-deflection mechanism 11. The electric push rod 7 can rapidly push and pull the moving trolley 9 together with the sample, so that the working strength of workers is effectively reduced, the efficiency of a drop hammer impact test is improved, the sample after being broken can be kept in the centering anti-swing mechanism 11, and the broken sample can be taken down by a worker conveniently. The cross hole 10 can provide an installation space for the centering anti-swing mechanism 11, and can also reduce the damage of an impact test to the centering anti-swing mechanism 11. Further, baffle 13 and the spacing frame 6 of second on the travelling car 9 can contact at electric putter 7's stroke end, both play spacing effect of blockking, avoid travelling car 9 to produce forward extrusion and produce the strong pull to electric putter 7 again in the impact process, in addition position control effect of position control mechanism 12 can further improve the accuracy of travelling car 9 in the inside position of drop hammer testing machine to improve the efficiency of drop hammer impact test and the reliability of experimental result.
In order to improve the stability of the centering assembly 111, the centering assembly 111 of the present invention includes two pairs of dovetail blocks 1111 and a centering plate 1112, each pair of dovetail blocks 1111 includes dovetail blocks 1111 having opposite dovetail directions, the dovetails of the dovetail blocks 1111 are engaged with dovetail grooves 1113 provided on the inner wall of the transverse portion 101, the dovetail grooves 1113 are countersunk dovetail grooves 1113, and the centering plate 1112 is engaged with the engagement surface of each pair of dovetail blocks 1111. The dovetail groove 1113 can prevent the dovetail block 1111 from directly moving downwards after being impacted, the dovetail design of the dovetail block 1111 can enable the dovetail block 1111 to have high stability, particularly the front-back consistency of the centering plate 1112 is guaranteed, and the centering plate 1112 serves as a lofting datum line and can provide high reference for placing a sample.
In order to improve the utilization rate of the anti-swing assembly 112, the anti-swing assembly 112 provided by the utility model comprises four anti-swing stoppers 1121 which are symmetrically distributed in pairs and have a cylindrical structure, bolt 1122 holes are respectively formed in the anti-swing stoppers 1121 and the movable trolley 9, and bolts 1122 connecting the anti-swing stoppers 1121 and the movable trolley 9 are arranged in the bolt 1122 holes. The bolts 1122 are used to ensure the stability of the anti-swing stoppers 1121 on the moving cart 9, and the distance between the opposite anti-swing stoppers 1121 can play a certain role in clamping the sample, so as to improve the stability of the sample in the pushing process and at the moment of impact.
Further, the bolt holes in the anti-swing stopper 1121 are eccentric bolt holes, so that the position of the anti-swing stopper 1121 can be adjusted by rotating to adjust the distance between the relative anti-swing stoppers 1121, and the requirements for clamping different samples are met.
In order to improve the practicability of the second limiting frame 6, the second limiting frame 6 provided by the utility model comprises a horizontal T-shaped plate, and one end of the T-shaped plate faces the baffle 13. This spacing 6 of second simple structure can directly contact baffle 13 and the performance stops limiting displacement, and the practicality is stronger, and the utilization ratio is higher.
In order to improve the practicability of the position adjusting mechanism 12, the position adjusting mechanism 12 provided by the utility model comprises a mounting plate 121, the mounting plate 121 is connected with the front end of the mobile trolley 9 through a bolt, a position sensor 122 is arranged on one side of the mounting plate 121, which faces the second limiting frame 6, the position sensor 122 is used for detecting the distance between the mobile trolley 9 and the inner wall or the inner frame of the drop hammer testing machine, and feeding back the distance data to an upper computer, so as to control the pushing stroke of the electric push rod 7, and thus, the mobile trolley 9 is ensured to reach the design site of the impact test under the action of the electric push rod 7.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (6)
1. A quick pushing mechanism for a drop hammer impact test is characterized by comprising a base, wherein a support is arranged on the base, two guide rails which are symmetrically distributed are arranged at the top of the support, two fixing rods are arranged at two ends of each guide rail, a first limiting frame and a second limiting frame are respectively arranged on the two fixing rods, an electric push rod is arranged on the first limiting frame, the movable end of the electric push rod faces the second limiting frame and is provided with a dragging and hanging piece, the dragging and hanging piece is arranged on a movable trolley, two ends of the bottom of the movable trolley are in sliding fit with the guide rails, a cross hole is formed in the movable trolley and comprises a transverse part and a longitudinal part, a centering anti-swing mechanism which is vertically distributed with the direction of the movable end of the electric push rod is arranged in the transverse part, the centering anti-swing mechanism comprises a centering component for centering a sample and an anti-swing component for preventing the sample from swinging, and a baffle is arranged at one end of the movable trolley, which is far away from the second limiting frame, the baffle is in contact fit with the second limiting frame, and a position adjusting mechanism for controlling the terminal position of the movable trolley is arranged at one end of the movable trolley, which faces the second limiting frame.
2. The quick pushing mechanism for the drop hammer impact test is characterized in that the centering assembly comprises two pairs of dovetail blocks and a centering plate, each pair of dovetail blocks comprises dovetail blocks with opposite dovetail directions, dovetails of the dovetail blocks are matched with dovetail grooves formed in the inner wall of the transverse portion, the dovetail grooves are countersunk dovetail grooves, and the centering plate is matched with a butt joint face of each pair of dovetail blocks.
3. The quick pushing mechanism for the drop hammer impact test is characterized in that the anti-swing assembly comprises four anti-swing stop blocks which are symmetrically distributed in pairs and are of cylindrical structures, bolt holes are formed in the anti-swing stop blocks and the movable trolley, and bolts for connecting the anti-swing stop blocks and the movable trolley are arranged in the bolt holes.
4. The quick pushing mechanism for the drop hammer impact test as claimed in claim 3, wherein the bolt hole on the swing-proof block is an eccentric bolt hole.
5. The quick pushing mechanism for the drop hammer impact test is characterized in that the second limiting frame comprises a horizontal T-shaped plate, and one end of the T-shaped plate faces the baffle.
6. The quick pushing mechanism for the drop hammer impact test is characterized in that the position adjusting mechanism comprises a mounting plate, the mounting plate is connected with the front end of the movable trolley through a bolt, and a position sensor is arranged on one side, facing the second limiting frame, of the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122347650.1U CN215640651U (en) | 2021-09-27 | 2021-09-27 | Drop hammer impact test is with quick push mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122347650.1U CN215640651U (en) | 2021-09-27 | 2021-09-27 | Drop hammer impact test is with quick push mechanism |
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| Publication Number | Publication Date |
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| CN215640651U true CN215640651U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122347650.1U Active CN215640651U (en) | 2021-09-27 | 2021-09-27 | Drop hammer impact test is with quick push mechanism |
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| CN (1) | CN215640651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032105A (en) * | 2022-06-15 | 2022-09-09 | 国网山东省电力公司电力科学研究院 | Insulator temperature cycle test detection device |
-
2021
- 2021-09-27 CN CN202122347650.1U patent/CN215640651U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032105A (en) * | 2022-06-15 | 2022-09-09 | 国网山东省电力公司电力科学研究院 | Insulator temperature cycle test detection device |
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