CN216594055U - Test device for simulating vibration of coal conveying trestle - Google Patents
Test device for simulating vibration of coal conveying trestle Download PDFInfo
- Publication number
- CN216594055U CN216594055U CN202122514426.7U CN202122514426U CN216594055U CN 216594055 U CN216594055 U CN 216594055U CN 202122514426 U CN202122514426 U CN 202122514426U CN 216594055 U CN216594055 U CN 216594055U
- Authority
- CN
- China
- Prior art keywords
- steel
- vibration
- transmission shaft
- flat plate
- coal conveying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a test device for simulating vibration of a coal conveying trestle, wherein a speed reducing motor is arranged on a steel structure frame and is connected with a frequency converter through a control line, the output end of the speed reducing motor is connected with a transmission shaft through a coupler, the transmission shaft is connected with a bearing, the bearing is arranged on the steel structure frame, and an eccentric turntable is arranged on the transmission shaft through a connecting key. The steel structure frame includes bottom plate, stand, pivot, flat board, test block grip block, nut, bolt, steel pole and semi-circular steel ring, the bottom plate bilateral symmetry is provided with the stand, the stand passes through pivot and dull and stereotyped connection, be provided with the bolt on the flat board, the test block grip block setting is fixed through the nut on the bolt, be provided with the steel pole on the flat board, be provided with semi-circular steel ring on the steel pole. The utility model has small integral volume, simple equipment structure and convenient use, can flexibly adjust the vibration frequency and the vibration amplitude, and is convenient to move into an artificial environment simulation test box to control the test environment.
Description
Technical Field
The utility model belongs to the technical field of coal conveying trestle devices, and particularly relates to a test device for simulating vibration of a coal conveying trestle.
Background
The coal conveying trestle is a main coal conveying channel in the coal industry, and is a temporary bridge structure shaped like a bridge and used for overhead operation. In order to prevent the accumulation of coal ash and coal dust, the interior of the trestle is washed every day, which brings the following problems for the trestle which has the leakage and damage problems originally: firstly, internal water leakage causes damage and falling of bottom plate concrete, and if a through hole is formed, great potential safety hazards are formed for personnel below the trestle and internal operation personnel; secondly, in winter, the water of washing operation forms the icicle at the landing stage bottom to along with the continuous increase of length, the icicle has very big threat to following pedestrian. In order to solve the above problems, it is necessary to repair and waterproof the inside of the trestle. However, the waterproof material is different from the common waterproof material, and the waterproof material is tested by the vibration of the running process of the belt, the low temperature in winter, the corrosion of waste water generated by flushing operation and the like while being subjected to water penetration. Considering the continuous production needs of coal enterprises, the coal conveying belt cannot be stopped for a long time, which causes great difficulty in the actual field test of the performance of the waterproof material, and a test device which can simulate the field vibration of the coal conveying trestle and conveniently control the environmental temperature of the tested material is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a test device for simulating the vibration of a coal conveying trestle, which is used for detecting the durability of a waterproof material for the coal conveying trestle under the vibration condition.
The technical scheme adopted by the utility model is as follows: the utility model provides a test device of simulation coal conveying landing stage vibration, includes converter, gear motor, shaft coupling, transmission shaft, bearing, eccentric carousel, steel construction frame and connection key, gear motor sets up in the steel construction frame, gear motor passes through the control line and is connected with the converter, the gear motor output passes through the shaft coupling to be connected with the one end of transmission shaft, the other end and the bearing of transmission shaft are connected, the bearing sets up in the steel construction frame, eccentric carousel passes through the connection key setting on the transmission shaft.
Further, the steel structure frame includes bottom plate, stand, pivot, flat board, test block grip block, nut, bolt, steel pole and semi-circular steel ring, the bottom plate bilateral symmetry is provided with the stand, the stand passes through the pivot and is connected with the flat board, be provided with the bolt on the flat board, the test block grip block setting is fixed through the nut on the bolt, be provided with the steel pole on the flat board, be provided with semi-circular steel ring on the steel pole.
Further, the gear motor is fixedly arranged on a bottom plate of the steel structure frame, and the bearing is fixedly arranged on the bottom plate of the steel structure frame.
Furthermore, the two eccentric turntables are coaxially arranged on the transmission shaft through connecting keys, the amplitude of the two sides can be controlled by adjusting the phase angles of the two eccentric turntables, and the eccentric turntables are positioned inside the semicircular steel ring.
Furthermore, the two eccentric turntables are coaxially and fixedly arranged on the transmission shaft through connecting keys with a 180-degree difference.
Further, dull and stereotyped one end is passed through the pivot and is connected with the stand top, the fixed bolt that is provided with in dull and stereotyped other end side, dull and stereotyped other end and the one end fixed connection of steel pole, the other end and the semi-circular steel ring fixed connection of steel pole, set up the through-hole corresponding with the bolt position on the test block grip block, the test block grip block passes the bolt and passes through the nut and realize fixing rectangular shape test block.
Furthermore, four bolts are symmetrically and fixedly arranged on two side faces of the other end of the flat plate, and the test block clamping plate penetrates through the four bolts on the flat plate to fix the strip-shaped test block through matched nuts.
The utility model has the beneficial effects that: 1. the automatic vibration is continuous, the speed reduction motor drives the transmission shaft to further drive the eccentric turntable to rotate, the semicircular steel ring is jacked up through the eccentric turntable, the steel rod connected to the upper part moves up and down, the up-and-down movement of the steel rod drives the flat plate to move up and down, and therefore the vibration of a sample fixed on the flat plate is achieved; 2. the amplitude is adjustable: the amplitude adjustment of the up-and-down vibration of the flat plate is realized by controlling the relative angle of the two eccentric turntables; 3. the vibration frequency is adjustable: the power supply frequency is adjusted through the frequency converter, so that the vibration frequency is adjustable; 4. convenient removal, control experimental environment: the simulation trestle vibration test device is small in size and light in weight, and can be conveniently moved into an artificial environment simulation test box to control the temperature and humidity around a sample.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of a front view of a test apparatus for simulating vibration of a coal transporting trestle according to the present invention;
FIG. 2 is a schematic structural view of a steel frame according to the present invention;
fig. 3 is a schematic front view of the eccentric turntable of the present invention.
Description of the drawings: 1. a frequency converter; 2. a reduction motor; 3. a coupling; 4. a drive shaft; 5. a bearing; 6. an eccentric turntable; 7. a steel structure frame; 71. a base plate; 72. a column; 73. a shaft pin; 74. a flat plate; 75. a test block clamping plate; 76. a nut; 77. a bolt; 78. a steel rod; 79. a semicircular steel ring; 8. a connecting key.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. 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 application.
As shown in fig. 1-3, a test device for simulating the vibration of a coal transporting trestle comprises a frequency converter 1, a speed reducing motor 2, a coupler 3, a transmission shaft 4, a bearing 5, an eccentric turntable 6, a steel structure frame 7 and a connecting key 8, wherein the speed reducing motor 2 is arranged on the steel structure frame 7, the speed reducing motor 2 is fixedly arranged on a bottom plate 71 of the steel structure frame 7, the speed reducing motor 2 is connected with the frequency converter 1 through a control line to realize the control of the frequency converter 1 on the rotating speed of the speed reducing motor 2, the output end of the speed reducing motor 2 is connected with one end of the transmission shaft 4 through the coupler 3 to realize the purpose that the rotating speed of the transmission shaft 4 is the same as that of the speed reducing motor 2, the other end of the transmission shaft 4 is connected with the bearing 5, the bearing 5 is arranged on the steel structure frame 7, wherein the bearing 5 is fixedly arranged on the bottom plate 71 of the steel structure frame 7, the eccentric rotary table 6 is arranged on the transmission shaft 4 through a connecting key 8.
The steel structure frame 7 comprises a bottom plate 71, a stand column 72, a shaft pin 73, a flat plate 74, a test block clamping plate 75, a nut 76, a bolt 77, a steel rod 78 and a semicircular steel ring 79, the stand column 72 is symmetrically arranged on two sides of the bottom plate 71, one end of the flat plate 74 is connected with the top of the stand column 72 through the shaft pin 73, the bolt 77 is fixedly arranged on the side face of the other end of the flat plate 74, the other end of the flat plate 74 is fixedly connected with one end of the steel rod 78, the other end of the steel rod 78 is fixedly connected with the semicircular steel ring 79, a through hole corresponding to the position of the bolt 77 is formed in the test block clamping plate 75, and the test block clamping plate 75 penetrates through the bolt 77 to fix the elongated test block through the nut 76. Specifically, two side faces of the other end of the flat plate 74 are symmetrically and fixedly provided with four bolts 77, the four bolts 77 are located above the connecting position of the steel rod 78 and the flat plate 74, the test block clamping plate 75 penetrates through the four bolts 77 on the flat plate 74 to fix the strip-shaped test block through matched nuts 76, and the nuts 76 and the bolts 77 are matched to adjust the distance between the test block clamping plate 75 and the flat plate 74, so that the test block is fixed.
Two eccentric turntables 6 are coaxially arranged on the transmission shaft 4 through a connecting key 8, the amplitude of the two sides can be controlled by adjusting the phase angle of the left eccentric turntable 6 and the right eccentric turntable 6, and the phase difference of the two eccentric turntables 6 is 180 degrees and is coaxially and fixedly arranged on the transmission shaft 4 through the connecting key 8. The eccentric rotary disk 6 is positioned inside the semicircular steel ring 79, and when the eccentric rotary disk 6 works, the eccentric rotary disk rotates inside the semicircular steel ring 79.
The working principle is as follows:
two prism test blocks are respectively arranged between the left flat plate 74, the right flat plate 74 and the test block clamping plate 75, the prism test blocks can simulate two adjacent trestles, the extending lengths of the two prism test blocks are adjusted to be close to the gap between the actual trestles, and the prisms are fixed by screwing the nuts 76. And (3) treating the gap between the two prisms by using a waterproof coating to be detected and a process, and maintaining to a specified age.
Converter 1 is connected with gear motor 2 through the control line, realizes that converter 1 is to the control of gear motor 2 rotational speed, adjusts the output frequency of converter 1, makes gear motor 2's rotational speed control change to 180 between changing at 120, gear motor 2 output passes through shaft coupling 3 and is connected with the one end of transmission shaft 4, has realized the same purpose of transmission shaft 4 and gear motor 2 rotational speed, and gear motor 2 drives shaft coupling 3 and then drives transmission shaft 4 and rotate. The transmission shaft 4 and the eccentric turntable 6 rotate together through the transmission function of the connecting key 8. Because the eccentric rotating disk 6 is positioned in the semicircular steel ring 79, when the long axis of the eccentric rotating disk 6 is upward, the semicircular steel ring 79 can be lifted, and the flat plate 74 is lifted through the force transmission effect of the steel rod 78; when the short axis of the eccentric rotary disk 6 is upward, the semicircular steel ring 79 descends under the action of gravity, and the flat plate 74 connected with the semicircular steel ring descends. Because the left eccentric rotary table 6 and the right eccentric rotary table 6 are fixed at a 180-degree difference, when the long axis of the left eccentric rotary table 6 is upward, the short axis of the right eccentric rotary table 6 is just upward, and the effect that the left flat plate 74 is upward and the right flat plate 74 is downward, namely, vibration is formed. Similarly, when the short axis of the eccentric turntable 6 on the left side faces upwards, the long axis of the eccentric turntable 6 on the right side faces upwards, so that the effect that the left side plate is under and the right side plate is on, namely vibrating, is formed. Wherein, the amplitude of the two sides can be controlled by adjusting the phase angle of the left eccentric turntable 6 and the right eccentric turntable 6.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a test device of simulation coal conveying landing stage vibration, includes converter, gear motor, shaft coupling, transmission shaft, bearing, eccentric carousel, steel construction frame and connection key, its characterized in that, gear motor sets up in the steel construction frame, gear motor passes through the control line and is connected with the converter, the gear motor output passes through the shaft coupling to be connected with the one end of transmission shaft, the other end and the bearing of transmission shaft are connected, the bearing sets up in the steel construction frame, eccentric carousel passes through the connection key setting on the transmission shaft.
2. The test device for simulating the vibration of the coal conveying trestle according to claim 1, wherein the steel structure frame comprises a bottom plate, stand columns, shaft pins, a flat plate, a test block clamping plate, nuts, bolts, steel rods and semicircular steel rings, the stand columns are symmetrically arranged on two sides of the bottom plate and connected with the flat plate through the shaft pins, the bolts are arranged on the flat plate, the test block clamping plate is arranged on the bolts and fixed through the nuts, the steel rods are arranged on the flat plate, and the semicircular steel rings are arranged on the steel rods.
3. The test device for simulating the vibration of the coal conveying trestle according to claim 2, wherein the speed reducing motor is fixedly arranged on the bottom plate of the steel structure frame, and the bearing is fixedly arranged on the bottom plate of the steel structure frame.
4. The test device for simulating the vibration of the coal conveying trestle according to claim 2, wherein two eccentric turntables are coaxially arranged on the transmission shaft through connecting keys, the amplitude of the two sides can be controlled by adjusting the phase angle of the two eccentric turntables, and the eccentric turntables are positioned inside the semicircular steel ring.
5. The test device for simulating the vibration of the coal conveying trestle according to claim 4, wherein the two eccentric turntables with a 180-degree difference are coaxially and fixedly arranged on the transmission shaft through connecting keys.
6. The test device for simulating the vibration of the coal conveying trestle according to claim 2, wherein one end of the flat plate is connected with the top of the upright post through a shaft pin, a bolt is fixedly arranged on the side surface of the other end of the flat plate, the other end of the flat plate is fixedly connected with one end of the steel rod, the other end of the steel rod is fixedly connected with the semicircular steel ring, a through hole corresponding to the position of the bolt is formed in the test block clamping plate, and the test block clamping plate penetrates through the bolt to fix the strip-shaped test block through a nut.
7. The test device for simulating the vibration of the coal conveying trestle according to claim 6, wherein four bolts are symmetrically and fixedly arranged on two side surfaces of the other end of the flat plate, and the test block clamping plate penetrates through the four bolts on the flat plate to fix the strip-shaped test block through matched nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122514426.7U CN216594055U (en) | 2021-10-19 | 2021-10-19 | Test device for simulating vibration of coal conveying trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122514426.7U CN216594055U (en) | 2021-10-19 | 2021-10-19 | Test device for simulating vibration of coal conveying trestle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216594055U true CN216594055U (en) | 2022-05-24 |
Family
ID=81639716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122514426.7U Active CN216594055U (en) | 2021-10-19 | 2021-10-19 | Test device for simulating vibration of coal conveying trestle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216594055U (en) |
-
2021
- 2021-10-19 CN CN202122514426.7U patent/CN216594055U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214786086U (en) | Large tracts of land concrete placement is with device that vibrates | |
| CN105466701A (en) | Continuous rotary table surface for pavement simulation | |
| CN211477685U (en) | Concrete detection sampling device | |
| CN211978776U (en) | Building engineering wall hollowing detects machine | |
| CN216594055U (en) | Test device for simulating vibration of coal conveying trestle | |
| CN116154695A (en) | Steel beam device for assembled power engineering and installation method | |
| CN113418550B (en) | Visual detection device for industrial part production detection and use method | |
| CN112556603B (en) | Building engineering straightness detection device that hangs down convenient to remove | |
| CN101957285A (en) | Scratch simulation tester and using method thereof | |
| CN201434799Y (en) | Scratching simulation tester | |
| CN103910034A (en) | Forced yawing oscillation device for ocean platform hydrodynamic model | |
| CN214883032U (en) | Strutting arrangement is used in municipal administration bridge construction | |
| CN208747507U (en) | A kind of building material hanging apparatus | |
| CN211055268U (en) | Novel pole-climbing device | |
| CN209979251U (en) | Vibration compaction tester | |
| CN211007720U (en) | Automatic change machine of building a wall | |
| CN112229589A (en) | Super-huge highway transportation simulation test bench | |
| CN217981123U (en) | Municipal works building material detection device | |
| CN110593131A (en) | Cross-sliding avoiding beam falling device of bridge girder erection machine and beam falling method thereof | |
| CN220888756U (en) | Foundation pile bearing capacity test device for municipal works | |
| CN218912854U (en) | Petroleum wellhead anti-falling device | |
| CN213274761U (en) | Super-huge highway transportation simulation test bench | |
| CN218102397U (en) | Municipal works hoist device with protective structure | |
| CN217133862U (en) | Bridge wind vibration demonstration device with quick-release structure based on BIM | |
| CN220508682U (en) | Stone bending strength test measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |