CN2716803Y - Drop hammer displacement sensing device - Google Patents
Drop hammer displacement sensing device Download PDFInfo
- Publication number
- CN2716803Y CN2716803Y CN 200420023675 CN200420023675U CN2716803Y CN 2716803 Y CN2716803 Y CN 2716803Y CN 200420023675 CN200420023675 CN 200420023675 CN 200420023675 U CN200420023675 U CN 200420023675U CN 2716803 Y CN2716803 Y CN 2716803Y
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- Prior art keywords
- housing
- displacement sensing
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- connects
- drops hammer
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Abstract
The utility model relates to a dynamic positioning sensing device, in particular to a drop hammer positioning sensing device, comprising a shell. The drop hammer positioning sensing device is characterized in that the shell is vertically arranged, and one vertical side surface is provided with paired drive type infrared sensing devices for transmitting and receiving in equal vertical intervals; the drive type infrared sensing device is connected and mounted on an electronic device in the chamber of the shell; the power line of the electronic device and the output line of the measurement signal are led out from the other side surface of the shell. The utility model can sense the fall of the drop hammer in a dynamic mode, and accordingly, the positioning distance of the deceleration fall when the drop hammer is freely fall and impacts a measured device and the rebound positioning distance can be measured, provided for the subsequent equipment to analyze and process. The utility model has simple structure, low cost, and convenient operation, and is suitable for the test of the impacts of various drop hammers.
Description
Technical field
The utility model relates to a kind of dynamic displacement sensing device, particularly a kind of displacement sensing apparatus that drops hammer.
Background technology
The measurement mechanism of existing anti-collision protection device will be measured tested device respectively and recover shape (bounce-back) in the deformation (absorption kinetic energy) and the part of the back generation that is hit, and is not simple and direct in the operation, also is difficult to accomplish accurately and reliably.
The utility model content
The purpose of this utility model is to provide a kind of displacement sensing apparatus that drops hammer, can total travel the dynamic sensitive displacement of dropping hammer, displacement when sensing goes out to drop hammer free-falling, the whereabouts of the deceleration when colliding with tested device and bounce-back, convert electric impulse signal output to, can record the parameter after the collision accurately and reliably, absorb, collide the back maximum displacement, recover the deformation time etc. as deformation and kinetic energy, for follow-up electric equipment analyzing and processing.
For achieving the above object, the utility model adopts following technical proposals:
A kind of displacement sensing apparatus that drops hammer, comprise housing, it is characterized in that the housing positioned vertical, be mounted to the right active infra-red sensor that transmits and receives to equate that perpendicular separation distributes on the one vertical side, this active infra-red sensor is mounted on the endoceliac electronic installation of shell, and the power lead of electronic installation and measuring-signal output line are drawn from the another side of housing.
The structure of above-mentioned housing positioned vertical is: the housing lower surface has a sleeve and a sleeve pipe cunning that is fixed on the base to join, and realize that by a holding screw positioning is fixedly connected, adjust screw by four for four jiaos of base and support, the upper surface of base is installed two level indicators.
Perpendicular separation between the active infra-red sensor that above-mentioned every adjacent two teams transmit and receive is 3-8mm, detects the stroke that drops hammer, and promptly this infrared sensor distributed areas height is 80-150cm.
Above-mentioned in the both sides that is mounted to the right active infra-red sensor that transmits and receives, two security bars vertically are installed.
Fuse, power switch, displacement sensing pilot lamp and the endoceliac electronic installation of power light and shell are housed on the operating surface of above-mentioned housing to be connected.
The circuit structure of above-mentioned electronic installation is: paired emission infrared sensor is connected power supply by resistance respectively with the reception infrared sensor, the output that wherein receives infrared sensor connects the AT89C51 type electronic integration block IC22 of two parallel connections through the CD4069 of correspondence type electronic integration block IC1-IC21, the P1.0-P2.1 pin of IC23, two IC22, the IC23 integrated package connects a crystal oscillator by the electric capacity of two parallel connections; Two IC22, the P2.7 pin of IC23 connects 4093 type ic chips, 24 back output wide pulse signals, and the P2.6 pin connects 4093 type ic chips, 26 back output narrow pulse signals, and the P3.7 pin connects 4093 type ic chips, 25 backs and connects displacement sensing pilot lamp LED22 and resistance R 23; Also have a power circuit to provide working power for each element; The structure of power circuit is: 220 volts of AC power through power switch K with fuse after transformer B is connected bridge rectifier, the output of bridge rectifier is the output DC source behind capacitor C 1, C2,7805 type stabilivolts, capacitor C 3, C4.
The utility model compared with prior art, have following conspicuous characteristics and advantage: the utility model moderate distance vertical distribution is paired transmits and receives infrared sensor, under the metallic mirror effect on dropping hammer, the dynamic sensing whereabouts of dropping hammer just, thereby the displacement when recording the free-falling of dropping hammer, the whereabouts of the deceleration when colliding and bounce-back with tested device, deformation and kinetic energy absorb, collide the back maximum displacement, type becomes parameters such as release time thereby can converse, for the follow-up equipment analyzing and processing.The utility model is simple in structure, cost is low, is convenient to operation, is applicable to the various crash tests that drop hammer.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 drops hammer when using for Fig. 1 example the relativeness figure of metallic mirror is installed.
Fig. 3 is the circuit theory diagrams of electronic installation in Fig. 1 example
Embodiment
A preferred embodiment of the present utility model is: referring to Fig. 1, originally displacement sensing apparatus drops hammer, comprise housing 1, housing 1 positioned vertical, be mounted to the right active infra-red sensor 3 that transmits and receives to equate that perpendicular separation distributes on the one vertical side, this active infra-red sensor 3 is mounted on the electronic installation in housing 1 chamber, and the power lead 8 and the measuring-signal output line 9 of electronic installation are drawn from the another side of housing 1.The structure of housing 1 positioned vertical is: housing 1 lower surface has a sleeve and a sleeve pipe cunning that is fixed on the base 4 to join, and realize that by a holding screw positioning is fixedly connected, adjust screw 6 by four for four jiaos of base 4 and support, the upper surface of base 4 is installed two level indicators 5.Perpendicular separation between the active infra-red sensor 3 that every adjacent two teams transmit and receive is 3-8mm, detects the stroke that drops hammer, and promptly these infrared sensor 3 distributed areas height are 80-150cm.In the both sides that is mounted to the right active infra-red sensor 3 that transmits and receives, two security bars 2 are installed vertically.Fuse 10, power switch 11, displacement sensing pilot lamp 12 and power light 13 are housed on the operating surface of housing 1 to be connected with electronic installation in housing 1 chamber.The circuit structure of electronic installation is: paired emission infrared sensor LED1-LED21 and reception infrared sensor G1-G21 are respectively by resistance R 1-R21, R1 '-R21 ' connects power supply, the output that wherein receives infrared sensor G1-G21 connects the AT89C51 type electronic integration block IC22 of two parallel connections through the CD4069 of correspondence type electronic integration block IC1-IC21, the P1.0-P2.1 pin of IC23, two IC22, the IC23 integrated package connects a crystal oscillator Y by capacitor C 5, the C6 of two parallel connections; Two IC22, the P2.7 pin of IC23 connects 4093 type ic chips, 24 back output wide pulse signals, and the P2.6 pin connects 4093 type ic chips, 26 back output narrow pulse signals, and the P3.7 pin connects 4093 type ic chips, 25 backs and connects displacement sensing pilot lamp LED22 and resistance R 23; Also have a power circuit to provide working power for each element; The structure of power circuit is: 220 volts of AC power through power switch K with fuse after transformer B is connected bridge rectifier, the output of bridge rectifier is the output DC source behind capacitor C 1, C2,7805 type stabilivolts, capacitor C 3, C4.
The utility model referring to Fig. 2, is installed a metallic mirror 14 in use on dropping hammer, it is being dropped hammer when falling, and aims at all the time to transmit and receive active infra-red sensor 3 on the displacement sensing apparatus that originally drops hammer.Thereby dynamically sensing is dropped hammer down and is come to displacement.
Claims (6)
1. displacement sensing apparatus that drops hammer, comprise housing (1), it is characterized in that housing (1) positioned vertical, be mounted to the right active infra-red sensor (3) that transmits and receives to equate that perpendicular separation distributes on the one vertical side, this active infra-red sensor (3) is mounted on the electronic installation in housing (1) chamber, and power lead of electronic installation (8) and measuring-signal output line (9) are drawn from the another side of housing (1).
2. the displacement sensing apparatus that drops hammer according to claim 1, it is characterized in that, the structure of housing (1) positioned vertical is: housing (1) lower surface has a sleeve and a sleeve pipe cunning that is fixed on the base (4) to join, and realize that by a holding screw positioning is fixedly connected, adjust screw (6) by four for four jiaos of base (4) and support, the upper surface of base (4) is installed two level indicators (5).
3. the displacement sensing apparatus that drops hammer according to claim 1, it is characterized in that, perpendicular separation between the active infra-red sensor (3) that every adjacent two teams transmit and receive is 3-8mm, detects the stroke that drops hammer, and promptly this infrared sensor (3) distributed areas height is 80-150cm.
4. the displacement sensing apparatus that drops hammer according to claim 1 is characterized in that, in the both sides that is mounted to the right active infra-red sensor (3) that transmits and receives, two security bars (2) is installed vertically.
5. the displacement sensing apparatus that drops hammer according to claim 1, it is characterized in that, fuse (10), power switch (11), displacement sensing pilot lamp (12) and power light (13) are housed on the operating surface of housing (1) are connected with electronic installation in housing (1) chamber.
6. the displacement sensing apparatus that drops hammer according to claim 1, it is characterized in that, the circuit structure of electronic installation is: paired emission infrared sensor (LED1-LED21) and reception infrared sensor (G1-G21) are respectively by resistance (R1-R21, R1 '-R21 ') connects power supply, the output that wherein receives infrared sensor (G1-G21) connects the AT89C51 type electronic integration block IC22 of two parallel connections through the CD4069 of correspondence type electronic integration block IC1-IC21, the P1.0-P2.1 pin of IC23, two IC22, the IC23 integrated package is by the electric capacity (C5 of two parallel connections, C6) connect a crystal oscillator (Y); Two IC22, the P2.7 pin of IC23 connects 4093 type ic chips, 24 back output wide pulse signals, and the P2.6 pin connects 4093 type ic chips, 26 back output narrow pulse signals, and the P3.7 pin connects 4093 type ic chips, 25 backs and connects displacement sensing pilot lamp LED22 and resistance R 23; Also have a power circuit to provide working power for each element; The structure of power circuit is: 220 volts of AC power through power switch K with fuse after transformer B is connected bridge rectifier, the output of bridge rectifier is the output DC source behind capacitor C 1, C2,7805 type stabilivolts, capacitor C 3, C4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420023675 CN2716803Y (en) | 2004-06-11 | 2004-06-11 | Drop hammer displacement sensing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420023675 CN2716803Y (en) | 2004-06-11 | 2004-06-11 | Drop hammer displacement sensing device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2716803Y true CN2716803Y (en) | 2005-08-10 |
Family
ID=34870697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200420023675 Expired - Fee Related CN2716803Y (en) | 2004-06-11 | 2004-06-11 | Drop hammer displacement sensing device |
Country Status (1)
Country | Link |
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CN (1) | CN2716803Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103017647A (en) * | 2012-12-12 | 2013-04-03 | 江苏大学 | Detecting method for displacement of hydraulic counter-blow hammer heads |
CN108709711A (en) * | 2018-05-17 | 2018-10-26 | 南昌华勤电子科技有限公司 | Slope drop test equipment |
-
2004
- 2004-06-11 CN CN 200420023675 patent/CN2716803Y/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103017647A (en) * | 2012-12-12 | 2013-04-03 | 江苏大学 | Detecting method for displacement of hydraulic counter-blow hammer heads |
CN108709711A (en) * | 2018-05-17 | 2018-10-26 | 南昌华勤电子科技有限公司 | Slope drop test equipment |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |