CN219737071U - Transmission device for universal testing machine - Google Patents
Transmission device for universal testing machine Download PDFInfo
- Publication number
- CN219737071U CN219737071U CN202320166202.8U CN202320166202U CN219737071U CN 219737071 U CN219737071 U CN 219737071U CN 202320166202 U CN202320166202 U CN 202320166202U CN 219737071 U CN219737071 U CN 219737071U
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- China
- Prior art keywords
- bottom plate
- driving
- universal testing
- testing machine
- synchronizing wheel
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 230000001360 synchronised effect Effects 0.000 claims abstract description 42
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
Abstract
The utility model relates to the technical field of universal testing machines and discloses a transmission device for the universal testing machine, which comprises a bottom plate, a top plate, a plurality of support columns arranged between the bottom plate and the top plate, a movable plate connected between the bottom plate and the top plate in a sliding manner, a screw rod connected between the top plate and the bottom plate in a rotating manner and used for driving the movable plate to move, and a driving motor arranged on one side of the bottom plate, wherein a driving synchronous wheel is arranged on an output shaft of the driving motor, a driven synchronous wheel is arranged on the screw rod, and synchronous belts are sleeved on the driving synchronous wheel and the driven synchronous wheel. The synchronous belt and the synchronous wheel are matched for transmission, so that the noise of the universal testing machine during working is reduced.
Description
Technical Field
The utility model relates to the technical field of universal testing machines, in particular to a transmission device for a universal testing machine.
Background
The universal testing machine is a material testing machine integrating functions of stretching, bending, compressing, shearing, ring stiffness and the like, is mainly used for mechanical property tests of metal and nonmetal materials, and is ideal detection equipment for departments of industrial and mining enterprises, scientific research institutions, universities, engineering quality monitoring stations and the like.
In the related art, for example, chinese patent publication No. CN211206044U discloses a universal testing machine, which comprises a main body, four guide support columns are fixedly connected to the upper surface of the main body, which is perpendicular to the main body, one end of the guide support column, which is far away from the main body, is fixedly connected with an upper cross beam, an upper clamp is arranged on one end surface of the upper cross beam, which is close to the main body, a lower cross beam is arranged between the main body and the upper cross beam, the lower cross beam is slidably connected with the guide support column along the length direction of the guide support column, a lower pressing block is further arranged on the upper surface of the main body, a lower clamp is arranged on one end surface of the lower cross beam, which is close to the upper cross beam, and an upper pressing block is fixedly connected to one end surface of the lower cross beam, which is close to the main body. The main body is provided with a driving mechanism for driving the lower cross beam to move, the driving mechanism comprises a screw, the axis of the screw is parallel to the sliding direction of the lower cross beam, one end of the screw is rotationally connected with the upper cross beam, the other end of the screw is rotationally connected with the main body, and the lower cross beam is in threaded connection with the screw. The number of the screw rods is two, and the two screw rods are piled to be arranged at two sides of the upper pressing block. The driving mechanism further comprises a driving motor, a first sprocket, two second sprockets and a chain, wherein the driving motor is fixedly connected in the main machine body, the first sprocket is coaxially and fixedly connected with an output shaft of the driving motor, the two second sprockets are respectively and fixedly connected with two lead screws, and the chain is sleeved on the outer peripheral surfaces of the first sprocket and the two second sprockets.
In view of the above-mentioned related art, the inventor believes that when the driving mechanism drives the lower beam to move, the chain and the sprocket relatively move, but the known chain and sprocket relatively move with loud sound, and further has the defect of loud noise when the universal testing machine works.
Disclosure of Invention
In order to solve the problem of large noise during operation of a universal testing machine, the utility model provides a transmission device for the universal testing machine.
The utility model provides a transmission device for a universal testing machine, which adopts the following technical scheme:
the utility model provides a transmission for universal testing machine, includes bottom plate, roof, sets up the bottom plate with many spinal branch daggers between the roof, sliding connection be in the bottom plate with fly leaf between the roof, rotate connect be in between the roof with be used for the drive between the bottom plate the lead screw of fly leaf motion and set up driving motor in bottom plate one side, be provided with the initiative synchronizing wheel on driving motor's the output shaft, be provided with driven synchronizing wheel on the lead screw, the initiative synchronizing wheel with the cover is equipped with the hold-in range on the driven synchronizing wheel.
Through adopting above-mentioned technical scheme, when using the universal testing machine that has this transmission, start driving motor, driving motor is driving initiative synchronizing wheel and is rotating, and initiative synchronizing wheel is driving driven synchronizing wheel and is rotating under the effect of hold-in range, and driven synchronizing pulley is driving the lead screw and is rotating, and the lead screw drives the fly leaf, makes the fly leaf slide then, and the cooperation transmission of this in-process hold-in range and synchronizing wheel has reduced the noise of universal testing machine during operation promptly.
Optionally, the lead screw is provided with two, two the lead screw is located respectively the both sides of bottom plate, every all be provided with driven hold-in range on the lead screw, two driven hold-in range with initiative hold-in range three passes through the hold-in range transmission and connects.
Through adopting above-mentioned technical scheme, during driving motor work, driving motor's output shaft drives initiative synchronizing wheel and rotates, and initiative synchronizing wheel is driving driven synchronizing wheel and is rotating under the effect of hold-in range to make two lead screws rotate, the lead screw drives the both ends of fly leaf respectively, and the fly leaf moves, and then increases the stability when the fly leaf moves.
Optionally, a tensioning assembly for tensioning the synchronous belt is arranged on the bottom plate.
Through adopting above-mentioned technical scheme, install the hold-in range behind initiative synchronizing wheel and the driven synchronizing wheel, tensioning assembly is tensioning the hold-in range, reduces the condition emergence that the slack hold-in range leads to hold-in range and synchronizing wheel to take place to skid promptly.
Optionally, the tensioning assembly comprises a supporting sheet arranged on the bottom plate and a tensioning wheel rotatably connected in the supporting sheet and in rolling connection with the synchronous belt.
Through adopting above-mentioned technical scheme, after installing the hold-in range, the hold-in range deviates from one side of tooth and contradicts with the take-up pulley, makes the take-up pulley take-up to it tensioning promptly reduces the condition emergence that the hold-in range is lax.
Optionally, the backing sheet is the C type, the bar groove has all been seted up to the both ends of backing sheet correspondence, wear to be equipped with the pivot in the take-up pulley, the both ends of pivot penetrate respectively two in the bar groove, be provided with in the bar groove and be used for right the pivot orientation is close to the driving piece of hold-in range direction motion.
Through adopting above-mentioned technical scheme, when tensioning takes place relative roll with the hold-in range, the driving piece drives the take-up pulley for the take-up pulley moves towards the direction that is close to the hold-in range, and the hold-in range is in the state of being strained all the time.
Optionally, the driving piece is a spring arranged in the strip-shaped groove, and one end of the spring is abutted against the rotating shaft.
Through adopting above-mentioned technical scheme, the spring exerts towards the power of hold-in range place direction to the pivot, and then makes the hold-in range be in the tensioning state.
Optionally, a guide rod with one end penetrating through the rotating shaft is fixedly connected to each of the strip-shaped grooves, and the spring is sleeved on the guide rod.
Through adopting above-mentioned technical scheme, when the take-up pulley moves along the direction that is close to or keeps away from the hold-in range, pivot and guide bar take place the relative slip, then make the guide bar lead to the slip of pivot, and then increase the stability when the take-up pulley moves along the direction that is close to or keeps away from the hold-in range.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. when the universal testing machine with the transmission device is used, the driving motor is started, the driving motor drives the driving synchronous wheel to rotate, the driving synchronous wheel drives the driven synchronous wheel to rotate under the action of the synchronous belt, the driven synchronous belt wheel drives the lead screw to rotate, the lead screw drives the movable plate, and then the movable plate slides, and the synchronous belt and the synchronous wheel are in matched transmission in the process, so that the noise of the universal testing machine in working is reduced;
2. after the synchronous belt is installed on the driving synchronous wheel and the driven synchronous wheel, the synchronous belt is tensioned by the tensioning assembly, namely the phenomenon that the synchronous belt and the synchronous wheel slip due to loosening of the synchronous belt is reduced;
3. through setting up backing plate and take-up pulley, install the back with the hold-in range, one side that the hold-in range deviates from the tooth is contradicted with the take-up pulley, makes the take-up pulley take-up to it, reduces the condition that the hold-in range is lax promptly and takes place.
Drawings
FIG. 1 is a schematic view of the overall structure of a transmission according to an embodiment of the present utility model;
FIG. 2 is another schematic view of a transmission according to an embodiment of the present utility model;
fig. 3 is a schematic view of the structure of the tensioner assembly in the transmission of the embodiment of the present utility model.
Reference numerals illustrate: 100. a bottom plate; 200. a top plate; 300. a support column; 400. a movable plate; 500. a screw rod; 510. a driven synchronizing wheel; 511. a synchronous belt; 600. a driving motor; 610. a driving synchronizing wheel; 700. a tensioning assembly; 710. a support sheet; 711. a bar-shaped groove; 712. a guide rod; 713. a spring; 720. a tensioning wheel; 721. a rotating shaft.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
The embodiment of the utility model discloses a transmission device for a universal testing machine.
Referring to fig. 1 and 2, a transmission device for a universal testing machine includes a base plate 100 and a top plate 200 disposed in parallel with the base plate 100 at a distance, wherein a plurality of support columns 300 are disposed between the base plate and the top plate 200, each support column 300 is fixedly connected to the base plate 100 vertically, and the other end of each support column 300 is fixedly connected to the top plate 200 vertically. A movable plate 400 is slidably connected between the top plate 200 and the bottom plate 100, and the movable plate 400 is slidably connected with the support column 300. Both sides of the bottom plate 100 are provided with screw rods 500, the screw rods 500 are rotatably connected with the bottom plate 100 and the top plate 200, one end thread of each screw rod 500 penetrates through the movable plate 400, and then when the two screw rods 500 synchronously rotate in the same direction, the movable plate 400 moves. One side of the bottom plate 100 is fixedly connected with a driving motor 600, an output shaft of the driving motor 600 is coaxially and fixedly connected with a driving synchronous wheel 610, one ends of the bottoms of two lead screws 500 extend out of the bottom plate 100, one ends of the bottoms of the lead screws 500 are coaxially and fixedly connected with a driven synchronous wheel 510, the driving synchronous wheel 610 and the two driven synchronous wheels 511 are sleeved with synchronous belts 511, and the two lead screws 500 rotate along with the output shaft of the driving motor 600 by means of transmission of the synchronous belts 511 and the synchronous wheels, so that noise of a universal testing machine with the transmission device is reduced in the process.
Referring to fig. 2 and 3, the bottom plate 100 is provided with a tensioning assembly 700, and the tensioning assembly 700 is used for enabling the synchronous belt 511 to be always in a tensioning state, so that the occurrence of slipping of the synchronous belt 511 and the synchronous wheel caused by loosening of the synchronous belt 511 is reduced. The tensioning assembly 700 comprises a supporting plate 710 and a tensioning wheel 720, wherein the supporting plate 710 is in a C shape, two opposite sides of the supporting plate 710 are correspondingly provided with strip-shaped grooves 711, a rotating shaft 721 is coaxially arranged on the tensioning wheel 720 in a penetrating manner, and two ends of the rotating shaft 721 are respectively arranged in the two strip-shaped grooves 711 in a penetrating manner.
Each strip-shaped groove 711 is fixedly connected with a guide rod 712, one end of the guide rod 712 penetrates through the rotating shaft 721, a driving piece is arranged on the guide rod 712 and is a spring 713, the spring 713 is sleeved on the guide rod 712, one end of the spring 713 is abutted against the groove wall of the strip-shaped groove 711, and the other end of the spring 713 is abutted against the rotating shaft 721, so that the spring 713 applies force to the rotating shaft 721 towards the direction of the synchronous belt 511, the tensioning wheel 720 moves towards the direction close to the synchronous belt 511, and the tensioning wheel 720 always enables the synchronous belt 511 to be in a tensioning state.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (4)
1. The utility model provides a transmission for universal testing machine which characterized in that: comprises a bottom plate (100), a top plate (200), a plurality of support columns (300) arranged between the bottom plate (100) and the top plate (200), a movable plate (400) which is connected between the bottom plate (100) and the top plate (200) in a sliding manner, a lead screw (500) which is connected between the top plate (200) and the bottom plate (100) in a rotating manner and is used for driving the movable plate (400) to move, and a driving motor (600) arranged on one side of the bottom plate (100), wherein a driving synchronizing wheel (610) is arranged on an output shaft of the driving motor (600), a driven synchronizing wheel (510) is arranged on the lead screw (500), a synchronous belt (511) is sleeved on the driving synchronizing wheel (610) and the driven synchronizing wheel (510), two lead screws (500) are respectively arranged on two sides of the bottom plate (100), driven synchronizing wheels (510) are respectively arranged on each lead screw (500), and the driving synchronizing wheel (510) and the driving synchronizing wheel (610) are connected with the bottom plate (511) through the synchronous belt (511), the tensioning assembly (700) comprises a supporting sheet (710) arranged on the bottom plate (100) and a tensioning wheel (720) rotatably connected in the supporting sheet (710) and in rolling connection with the synchronous belt (511).
2. The transmission for a universal testing machine according to claim 1, wherein: the support piece (710) is C-shaped, strip-shaped grooves (711) are correspondingly formed in two ends of the support piece (710), a rotating shaft (721) is arranged in the tensioning wheel (720) in a penetrating mode, two ends of the rotating shaft (721) penetrate into the two strip-shaped grooves (711) respectively, and driving pieces for moving the rotating shaft (721) towards directions close to the synchronous belt (511) are arranged in the strip-shaped grooves (711).
3. The transmission for a universal testing machine according to claim 2, wherein: the driving piece is a spring (713) arranged in the strip-shaped groove (711), and one end of the spring (713) is abutted against the rotating shaft (721).
4. A transmission for a universal testing machine as claimed in claim 3, wherein: and each strip-shaped groove (711) is fixedly connected with a guide rod (712) with one end penetrating through the rotating shaft (721), and the spring (713) is sleeved on the guide rod (712).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320166202.8U CN219737071U (en) | 2023-02-03 | 2023-02-03 | Transmission device for universal testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320166202.8U CN219737071U (en) | 2023-02-03 | 2023-02-03 | Transmission device for universal testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219737071U true CN219737071U (en) | 2023-09-22 |
Family
ID=88062749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320166202.8U Active CN219737071U (en) | 2023-02-03 | 2023-02-03 | Transmission device for universal testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219737071U (en) |
-
2023
- 2023-02-03 CN CN202320166202.8U patent/CN219737071U/en active Active
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