CN213875289U - Photovoltaic glass four-point bending test machine - Google Patents
Photovoltaic glass four-point bending test machine Download PDFInfo
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- CN213875289U CN213875289U CN202023306761.XU CN202023306761U CN213875289U CN 213875289 U CN213875289 U CN 213875289U CN 202023306761 U CN202023306761 U CN 202023306761U CN 213875289 U CN213875289 U CN 213875289U
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Abstract
The utility model belongs to the technical field of the material performance test, concretely relates to four-point bending test machine. Photovoltaic glass four-point bending test machine, including the frame, be equipped with down anchor clamps in the frame, go up anchor clamps, lower anchor clamps below is equipped with and removes the mechanism, and the frame is including being located the adjustable shelf of anchor clamps top, goes up the middle part that anchor clamps pass through pressure sensor subassembly connection adjustable shelf, and the adjustable shelf is whole to be the style of calligraphy of falling U structure, and reciprocating mechanism is connected respectively at both ends about the adjustable shelf, reciprocates through reciprocating mechanism drive adjustable shelf, and then drives the lower anchor clamps on the adjustable shelf and reciprocate. The utility model discloses a photovoltaic glass four-point bending test machine can be applicable to the sample of great specification and carry out four-point bending test, can realize the self-adaptation fine setting function during the experiment.
Description
Technical Field
The utility model belongs to the technical field of the material performance test, concretely relates to four-point bending test machine.
Background
During the production process of the glass product, the bending performance of the glass product needs to be tested, and the bending performance is usually realized by using a bending tester. Among them, the four-point bending test is a test method for measuring the bending property of a material, and a sample is generally placed in a bending test fixture to form a simple beam.
When the specification of the glass product is larger, the existing four-point bending testing machine needs to be correspondingly manufactured to be larger, and the transportation and installation difficulty of the four-point bending testing machine is greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem of the bending test that current four-point bending test machine can't be applicable to the great product of specification, aim at provides a photovoltaic glass four-point bending test machine.
The photovoltaic glass four-point bending testing machine comprises a rack, wherein a lower clamp and an upper clamp positioned above the lower clamp are arranged on the rack, a left-and-right moving mechanism is arranged below the lower clamp, and the lower clamp is driven to move left and right through the left-and-right moving mechanism;
the frame is including being located go up the adjustable shelf of anchor clamps top, go up the anchor clamps and pass through the pressure sensor subassembly and connect the middle part of adjustable shelf, the adjustable shelf is whole to be the structure of falling the U style of calligraphy, reciprocating mechanism is connected respectively at both ends about the adjustable shelf, through reciprocating mechanism drives the adjustable shelf reciprocates, and then drives on the adjustable shelf anchor clamps reciprocate down.
The utility model discloses during the use, according to the specification of sample, through controlling the mechanism and adjusting down anchor clamps position, with sample flat put down on anchor clamps, through two reciprocating mechanism drive anchor clamps descend, according to the pressure numerical value that the pressure sensor subassembly detected, do the four-point bending test to the sample. Because the utility model discloses an go up the anchor clamps setting on the adjustable shelf of the style of calligraphy structure of falling U, compare with the design of the fixed anchor clamps of going up of a current weighing beam, provide sufficient space for the bending of sample, cause the utility model discloses can be applicable to the sample of great specification.
The lower clamp comprises two groups of lower clamp assemblies which are arranged on the left and right, each group of lower clamp assemblies comprises a lower clamp support, a lower clamp mounting plate, a lower compression roller and at least one middle support seat, the lower clamp mounting plate is fixed at the top of the lower clamp support, the lower compression roller is horizontally arranged on the lower clamp mounting plate, the axial direction of the lower compression roller is the front-back direction, and the front end and the back end of the lower compression roller are respectively connected with the lower clamp mounting plate through a deep groove ball bearing;
at least one middle supporting seat is fixed on the lower clamp mounting plate, two rollers are arranged on each middle supporting seat, the axial direction of each roller is the front-back direction, and the lower pressing roller is positioned above the space between the two rollers;
and each lower clamp support is connected with the moving end of the left-right moving mechanism.
Every group the lower clamp subassembly is preferred to include two the lower clamp support, two the lower clamp support fore-and-aft direction sets up side by side, two lower clamp support top sets up the lower clamp mounting panel. The lower clamp mounting plates of the corresponding sides are supported together by the two lower clamp supports.
The left-right moving mechanism comprises a first ball screw horizontally arranged along the left-right direction, a first ball screw nut arranged on the first ball screw, a left-right transmission mechanism and a left-right driving mechanism, the left-right driving mechanism is connected with the first ball screw through the left-right transmission mechanism, and the left-right driving mechanism drives the first ball screw to rotate so as to drive the first ball screw nut to horizontally move;
the first ball screw is positioned below the lower clamp, the first ball screw nut is fixed with the sliding block plate through a nut seat, and the lower clamp is fixed on the sliding block plate.
The left and right driving mechanism comprises two first ball screws which are arranged side by side in the front and back directions, two first ball screw nuts are arranged on each first ball screw, the left and right driving mechanism is respectively connected with the two first ball screws through the left and right transmission mechanism, and the two first ball screws are driven to rotate through the left and right driving mechanism;
each first ball screw nut is fixed with the sliding block plate through the nut seat.
When the lower clamp comprises two groups of lower clamp assemblies, the two slide plates can be arranged side by side along the left-right direction, the first ball screw nut on the left side is fixed with the slide plate on the left side, the first ball screw nut on the right side is fixed with the slide plate on the right side, and each slide plate is fixed with one group of lower clamp assemblies.
The frame includes two guide rail mounting panels, two set up side by side around the guide rail mounting panel both sides around the first ball screw, every there is the lower rail on the guide rail mounting panel respectively horizontal installation, and sliding connection has two at least lower rail slider on every lower rail, every lower rail slider all sets up slider below and with the slider board is fixed. When the slide block plate moves to drive the lower clamp to move left and right, the lower guide rail slide block below the slide block plate is used as an auxiliary support and is guided to slide left and right on the lower guide rail.
When the number of the slide block plates is two, two lower guide rail slide blocks are fixed on the bottom surfaces of the front side and the rear side below each slide block plate.
The movable frame comprises a front frame plate, a rear frame plate, balance beams positioned on the left side and the right side between the front frame plate and the rear frame plate, two L-shaped movable plates and an upper clamp mounting plate positioned in the middle between the front frame plate and the rear frame plate, wherein the movable plate is fixed in the middle of the bottom surface of each balance beam, the vertical section of each movable plate is fixed with the balance beam, and the transverse section of each movable plate is connected with the moving end of the up-down moving mechanism;
the pressure sensor assembly is fixed on the bottom surface of the upper clamp mounting plate.
The pressure sensor subassembly is including fixing last guide rail, sliding connection on the adjustable shelf at least one last guide rail slider on the last guide rail, every last guide rail slider bottom surface is fixed with at least one S type pressure sensor, S type pressure sensor passes through connecting plate fixed sensor regulating plate, sensor regulating plate bottom surface with it is fixed to go up anchor clamps. When the upper clamp moves downwards and the upper clamp and the lower clamp the sample, the S-shaped pressure sensor can detect the downward pressure value. In addition, the number of the S-shaped pressure sensors can be set according to requirements through the pressure sensor assembly designed as above, and the heights of the S-shaped pressure sensors can be adjusted through the distances between the sensor adjusting plate and the connecting plate, so that the pressure sensor assembly is suitable for test samples of various specifications.
The upper clamp comprises an upper clamp joint connected with the pressure sensor assembly, an upper clamp base connected with the upper clamp joint, and two upper clamp loading plates connected with the upper clamp base, wherein the upper clamp joint and the upper clamp base are rotationally connected through a first rotating shaft, each upper clamp loading plate is rotationally connected with the upper clamp base through a second rotating shaft, the axial direction of the first rotating shaft is the front-back direction, and the axial direction of the second rotating shaft is the left-right direction;
the two loading plates are arranged side by side along the left-right direction, an upper compression roller supporting seat is arranged at each of the front end and the rear end of each loading plate, an upper compression roller is arranged below each loading plate, the axial direction of each upper compression roller is the front-rear direction, and the front end and the rear end of each upper compression roller are connected with the corresponding upper compression roller supporting seat through a deep groove ball bearing. The designed upper clamp has self-adaptive fine adjustment in the front-back direction and the left-right direction.
The up-down moving mechanism comprises two groups of up-down moving assemblies and up-down driving mechanisms, the two groups of up-down moving assemblies are respectively arranged on the left side and the right side, each group of up-down moving assemblies comprises a second ball screw and a second ball screw nut arranged on the second ball screw, and the second ball screw nut is connected with the movable frame;
the upper and lower driving mechanism is located on one of the left side or the right side, the upper and lower driving mechanism is connected with the second ball screw on the same side through a speed reducer, the upper and lower driving mechanism is connected with another speed reducer through a speed reducer transmission shaft, the other speed reducer is located on the other side of the upper and lower driving mechanism, and the other speed reducer is connected with the second ball screw on the same side.
The rack comprises a left bottom frame and a right bottom frame, the upper and lower driving mechanisms are fixed on the bottom frames on one side, the two speed reducers are respectively fixed on the two bottom frames, the speed reducer transmission shafts respectively penetrate through the side walls of the two bottom frames and then are connected with the corresponding speed reducers, and each second ball screw penetrates through the bottom frames on the same side and then is vertically arranged.
Still including being located two direction optical axes in the second ball screw outside, two the direction optical axis sets up side by side along the fore-and-aft direction the chassis top, the adjustable shelf sliding connection is two the direction optical axis. The supporting and guiding of the movable plate on the same side are realized through the two guiding optical axes on the same side.
The movable plate is further provided with a reinforcing plate, the reinforcing plate is located above the transverse section of the movable plate, one end of the reinforcing plate is fixed to the outer wall of the vertical section of the movable plate, so that the movable plate forms an inverted F-shaped structure, and the reinforcing plate is respectively connected with the second ball screw and the two guide optical shafts in a sliding mode.
The first ball screw can be fixed on a lower bearing seat mounting plate through a screw bearing seat, and the lower bearing seat mounting plate is fixed with the guide rail mounting plate on the same side;
the transmission shaft of the speed reducer can be fixed on a lower intermediate connecting plate through a transmission shaft bearing seat, and the front end and the rear end of the lower intermediate connecting plate are fixed with the front guide rail mounting plate and the rear guide rail mounting plate.
The left underframe and the right underframe are also provided with a left sideshield and a right sideshield, and the second ball screw and the guide optical axis which are on the same side are arranged in the sideshields on the same side;
an upper cover is arranged outside the movable frame and the upper clamp, and a lower cover is arranged outside the lower clamp and the left-right moving mechanism.
The utility model discloses an actively advance the effect and lie in: the utility model discloses a photovoltaic glass four-point bending test machine can be applicable to the sample of great specification and carry out four-point bending test, can realize the self-adaptation fine setting function during the experiment.
Drawings
Fig. 1 is a schematic view of an overall structure of the present invention;
FIG. 2 is a schematic view of the whole lower clamp of the present invention;
fig. 3 is a partially enlarged schematic view of the lower clamp of the present invention;
FIG. 4 is a schematic view of the whole structure of the left and right moving mechanism of the present invention;
FIG. 5 is a schematic view of the movable frame and the upper clamp of the present invention;
fig. 6 is a partially enlarged schematic view of the upper clamp of the present invention;
FIG. 7 is a partially enlarged schematic view of the up-down moving mechanism of the present invention;
fig. 8 is a schematic view of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings.
Referring to fig. 1 to 8, the photovoltaic glass four-point bending test machine comprises a frame, wherein a lower clamp 1 and an upper clamp 2 located above the lower clamp 1 are arranged on the frame, a left-right moving mechanism 3 is arranged below the lower clamp 1, and the lower clamp 1 is driven to move left and right by the left-right moving mechanism 3. The frame is including being located the adjustable shelf 4 of 2 tops of top fixturing, and adjustable shelf 4 is whole to be the structure of falling U style of calligraphy, and the upper and lower moving mechanism 5 is connected respectively at both ends about adjustable shelf 4. Go up anchor clamps 2 and pass through the middle part of pressure sensor subassembly 6 connection adjustable shelf 4, drive adjustable shelf 4 through reciprocating motion 5 and reciprocate, and then drive lower anchor clamps 1 on the adjustable shelf 4 and reciprocate.
Referring to fig. 2 and 3, the lower clamp 1 includes two sets of lower clamp assemblies arranged left and right, each set of lower clamp assembly includes a lower clamp support 11, a lower clamp mounting plate 12, a lower press roller 13 and at least one intermediate support seat 14, the lower clamp mounting plate 12 is fixed at the top of the lower clamp support 11, the lower press roller 13 is horizontally arranged on the lower clamp mounting plate 12, the axial direction of the lower press roller 13 is the front-back direction, and the front end and the rear end of the lower press roller 13 are respectively connected with the lower clamp mounting plate 12 through a deep groove ball bearing. Preferably, the top surfaces of the front side and the rear side of each lower clamp mounting plate 12 are provided with lugs, so that the lower clamp mounting plates 12 form a U-shaped structure, and the front end and the rear end of the lower press roller 13 are respectively connected with the lugs through deep groove ball bearings 15. At least one intermediate support 14 is fixed on the lower clamp mounting plate 12, two rollers 141 are arranged on each intermediate support 14, the axial direction of the rollers 141 is the front-back direction, and the lower press roller 13 is positioned above the space between the two rollers 141. Preferably, two intermediate support seats 14 are uniformly arranged on each lower clamp mounting plate 12.
Each lower clamp support 11 is connected with the moving end of the left-right moving mechanism 3. Preferably, each lower clamp assembly preferably comprises two lower clamp supports 11, the two lower clamp supports 11 are arranged side by side in the front-back direction, and a lower clamp mounting plate 12 is arranged above the two lower clamp supports 11. The lower clamp mounting plates 12 of the corresponding sides are supported together by two lower clamp supports 11.
Referring to fig. 4, the left-right moving mechanism 3 includes a first ball screw 31 horizontally disposed in the left-right direction, a first ball screw nut disposed on the first ball screw 31, a left-right transmission mechanism 32, and a left-right driving mechanism 33, and the left-right driving mechanism 33 is preferably a servo motor. The left and right driving mechanism 33 is connected to the first ball screw 31 through the left and right transmission mechanism 32, and the first ball screw 31 is driven to rotate by the left and right driving mechanism 33, so as to drive the first ball screw nut to move horizontally. The first ball screw 31 is located below the lower clamp 1, the first ball screw nut is fixed with the slider plate 35 through the nut seat 34, and the lower clamp 1 is fixed on the slider plate.
Preferably, the left-right moving mechanism 3 comprises two first ball screws 31, the two first ball screws 31 are arranged side by side in the front-back direction, each first ball screw 31 is provided with two first ball screw nuts, the left-right driving mechanism 33 is connected with the two first ball screws 31 through the left-right transmission mechanism 32, and the left-right driving mechanism 33 drives the two first ball screws 31 to rotate simultaneously through the left-right driving mechanism 33. Each first ball screw nut is fixed with the slider plate 35 through the nut holder 34. When the lower clamp 1 includes two sets of lower clamp assemblies, two slide plates 35 may be arranged side by side in the left-right direction, the first ball screw nut on the left side is fixed to the slide plate 35 on the left side, the first ball screw nut on the right side is fixed to the slide plate 35 on the right side, and a set of lower clamp assemblies is fixed to each slide plate 35. Preferably, the left and right transmission mechanism 32 includes a motor synchronizing wheel connected to the motor shaft of the left and right driving mechanism 33, two tension wheels, and two lead screw synchronizing wheels, the two tension wheels are respectively located above the left and right sides of the motor synchronizing wheel, the two lead screw synchronizing wheels are respectively located above the left and right sides of the two tension wheels, and the motor synchronizing wheel, the two tension wheels, and the two lead screw synchronizing wheels are connected via a belt in a closed manner. One first ball screw 31 is connected to one of the screw synchronizing wheels, and the other first ball screw 31 is connected to the other screw synchronizing wheel.
Preferably, the rack comprises two guide rail mounting plates 36, the two guide rail mounting plates 36 are arranged on the front side and the rear side of the first ball screw 31 side by side, a lower guide rail 37 is horizontally mounted on each guide rail mounting plate 36, at least two lower guide rail sliders 38 are slidably connected to each lower guide rail 37, and each lower guide rail slider 38 is arranged below the slider plate 35 and fixed with the slider plate 35. When the slide plate 35 moves to drive the lower clamp 1 to move left and right, the lower guide rail slide 38 below the slide plate 35 slides left and right on the lower guide rail 37 as an auxiliary support and guide. When there are two slide blocks 35, two lower rail slides 38 are fixed to the bottom surfaces of the front and rear sides below each slide block 35.
Referring to fig. 5, the movable frame 4 includes front and rear two frame plates 41, balance beams 42 located on left and right sides between the front and rear two frame plates 41, two L-shaped movable plates 43, and an upper clamp mounting plate 44 located in a middle portion between the front and rear two frame plates 41, one movable plate 43 is fixed in a middle portion of a bottom surface of each balance beam 42, a vertical section of the movable plate 43 is fixed to the balance beam 42, and a horizontal section of the movable plate 43 is connected to a moving end of the up-down moving mechanism 5. The pressure sensor assembly 6 is fixed to the bottom surface of the upper jig mounting plate 44.
Referring to fig. 6, the pressure sensor assembly 6 includes an upper rail 61 fixed to the movable frame 4, at least one upper rail slider 62 slidably coupled to the upper rail 61, at least one S-shaped pressure sensor 63 fixed to a bottom surface of each upper rail slider 62, a sensor adjustment plate 65 fixed to the S-shaped pressure sensor 63 through a connection plate 64, and an upper jig 2 fixed to a bottom surface of the sensor adjustment plate 65. When the upper jig 2 moves down and the upper jig 2 and the lower jig 1 clamp the sample 7, the S-shaped pressure sensor 63 detects the value of the pressure of the depression. In addition, the number of the S-shaped pressure sensors 63 can be set according to the requirement by the pressure sensor assembly 6 designed as above, and the heights of the plurality of S-shaped pressure sensors 63 can be adjusted by the distance between the sensor adjusting plate 65 and the connecting plate 64, so as to be suitable for the test of the test samples 7 of various specifications. Specifically, the connecting plate 64 and the sensor adjusting plate 65 may be respectively provided with fixing holes, and both may be fixed by a fastening device. As shown in fig. 6, six S-shaped pressure sensors 63 are provided, two S-shaped pressure sensors 63 form a group, the heights of the connecting plates 64 corresponding to one group of S-shaped pressure sensors 63 are the same, and the heights of the connecting plates 64 corresponding to different groups of connecting plates 64 are different. The S-shaped pressure sensors 63 with different heights can be conveniently detached and installed by slidably connecting the upper guide rail slide block 62 with the upper guide rail 61.
Referring to fig. 6, the upper jig 2 includes an upper jig joint 21 connected to the pressure sensor assembly 6, an upper jig base 22 connected to the upper jig joint 21, and two upper jig loading plates 23 connected to the upper jig base 22, the upper jig joint 21 and the upper jig base 22 are rotatably connected by a first rotating shaft, each upper jig loading plate 23 is rotatably connected to the upper jig base 22 by a second rotating shaft, an axial direction of the first rotating shaft is a front-rear direction, and an axial direction of the second rotating shaft is a left-right direction. The two loading plates are arranged side by side along the left-right direction, the front end and the rear end of each loading plate are respectively provided with an upper compression roller supporting seat 24, an upper compression roller 25 is arranged below each loading plate, the axial direction of each upper compression roller 25 is the front-rear direction, and the front end and the rear end of each upper compression roller 25 are respectively connected with the upper compression roller supporting seats 24 through deep groove ball bearings. The designed upper clamp 2 has self-adaptive fine adjustment in the front-back direction and the left-right direction.
Referring to fig. 4 and 7, the up-down moving mechanism 5 includes two sets of up-down moving components and an up-down driving mechanism 51, the two sets of up-down moving components are respectively disposed at the left and right sides, each set of up-down moving components includes a second ball screw 52 and a second ball screw nut disposed on the second ball screw 52, and the second ball screw nut is connected to the movable frame 4. Preferably, the second ball screw nut is coupled to the lateral section of the movable plate 43. The left-right drive mechanism 33 is located on one of the left side and the right side, and as shown in fig. 7, the left-right drive mechanism 33 is located on the left side, the up-down drive mechanism 51 is connected to the second ball screw 52 on the same side through a speed reducer 53, the up-down drive mechanism 51 is connected to another speed reducer 55 through a speed reducer transmission shaft 54, the other speed reducer 55 is located on the right side, and the other speed reducer 55 is connected to the second ball screw on the same side.
The frame comprises a left bottom frame 56 and a right bottom frame 56, wherein the left and right driving mechanisms 33 and the up and down driving mechanisms 51 are fixed on one bottom frame 56, preferably, the left and right driving mechanisms 33 are fixed in the right bottom frame 56, and the up and down driving mechanisms 51 are fixed in the left bottom frame 56. The speed reducer 53 and the speed reducer 55 are respectively fixed on the left and right base frames 56, the speed reducer transmission shaft 54 respectively penetrates through the side walls of the two base frames 56 and then is connected with the corresponding speed reducer, and each second ball screw 52 penetrates through the base frame 56 on the same side and then is vertically arranged.
And two guiding optical axes 57 located outside the second ball screw 52, the two guiding optical axes 57 being arranged side by side in the front-back direction above the bottom frame 56, the movable frame 4 preferably being slidably connected to the movable plate 43 to connect the two guiding optical axes 57. The supporting and guiding of the movable plate 43 on the same side are realized by two guiding optical axes 57 on the same side. The movable plate 43 is further provided with a reinforcing plate 58, the reinforcing plate 58 is located above the horizontal section of the movable plate 43, one end of the reinforcing plate 58 is fixed to the outer wall of the vertical section of the movable plate 43, so that the movable plate 43 forms an inverted F-shaped structure, and the reinforcing plate 58 is slidably connected to the second ball screw 52 and the two guide optical axes 57 respectively.
The first ball screw 31 may be fixed to a lower bearing mount mounting plate through a screw bearing, and the lower bearing mount mounting plate is fixed to the guide rail mounting plate 36 on the same side. The reducer transmission shaft 54 can be fixed on the lower intermediate connecting plate through a transmission shaft bearing seat, and the front end and the rear end of the lower intermediate connecting plate are fixed with the front guide rail mounting plate and the rear guide rail mounting plate 36. The left and right bottom frames 56 are also provided with left and right side covers 81, and the second ball screw 52 and the guide optical axis 57 on the same side are arranged in the side covers 81 on the same side. An upper cover is arranged outside the movable frame 4 and the upper clamp 2, and a lower cover 82 is arranged outside the lower clamp 1 and the left-right moving mechanism 3.
Referring to fig. 1 and 8, the utility model discloses during the use, according to sample 7's specification, through controlling left and right moving mechanism 3 and adjust down anchor clamps 1 position, with sample 7 flat on anchor clamps 1 down, through two pressure numerical value that reciprocate mechanism 5 drives anchor clamps 2 and descend, do four-point bending test to sample 7 according to the pressure sensor subassembly 6 detects. Because the utility model discloses an go up anchor clamps 2 and set up on the adjustable shelf 4 of the style of calligraphy of falling U structure, compare with the design of the fixed anchor clamps 2 of a weighing apparatus roof beam 42 that has now, provide sufficient space for the bending of sample 7, cause the utility model discloses can be applicable to the sample 7 of great specification.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A photovoltaic glass four-point bending test machine comprises a rack, wherein a lower clamp and an upper clamp positioned above the lower clamp are arranged on the rack, and the photovoltaic glass four-point bending test machine is characterized in that a left-right moving mechanism is arranged below the lower clamp and drives the lower clamp to move left and right through the left-right moving mechanism;
the frame is including being located go up the adjustable shelf of anchor clamps top, go up the anchor clamps and pass through the pressure sensor subassembly and connect the middle part of adjustable shelf, the adjustable shelf is whole to be the structure of falling the U style of calligraphy, reciprocating mechanism is connected respectively at both ends about the adjustable shelf, through reciprocating mechanism drives the adjustable shelf reciprocates, and then drives on the adjustable shelf anchor clamps reciprocate down.
2. The photovoltaic glass four-point bending tester as claimed in claim 1, wherein the lower clamp comprises two sets of lower clamp assemblies arranged left and right, each set of lower clamp assembly comprises a lower clamp support, a lower clamp mounting plate, a lower press roller and at least one intermediate support seat, the lower clamp mounting plate is fixed on the top of the lower clamp support, the lower press roller is horizontally arranged on the lower clamp mounting plate, the axial direction of the lower press roller is the front-back direction, and the front end and the rear end of the lower press roller are respectively connected with the lower clamp mounting plate through deep groove ball bearings;
at least one middle supporting seat is fixed on the lower clamp mounting plate, two rollers are arranged on each middle supporting seat, the axial direction of each roller is the front-back direction, and the lower pressing roller is positioned above the space between the two rollers;
and each lower clamp support is connected with the moving end of the left-right moving mechanism.
3. The photovoltaic glass four-point bending test machine according to claim 2, wherein the left-right moving mechanism comprises a first ball screw horizontally arranged along the left-right direction, a first ball screw nut arranged on the first ball screw, a left-right transmission mechanism and a left-right driving mechanism, the left-right driving mechanism is connected with the first ball screw through the left-right transmission mechanism, and the left-right driving mechanism drives the first ball screw to rotate so as to drive the first ball screw nut to horizontally move;
the first ball screw is positioned below the lower clamp, the first ball screw nut is fixed with the sliding block plate through a nut seat, and the lower clamp is fixed on the sliding block plate.
4. The photovoltaic glass four-point bending tester as claimed in claim 3, wherein the rack includes two rail mounting plates, the two rail mounting plates are disposed side by side in front of and behind the first ball screw, each rail mounting plate is horizontally mounted with a lower rail, each lower rail is slidably connected with at least two lower rail sliders, and each lower rail slider is disposed below and fixed to the slider plate.
5. The photovoltaic glass four-point bending tester as claimed in claim 4, wherein each set of the lower clamp assemblies comprises two lower clamp supports, the two lower clamp supports are arranged side by side in the front-back direction, and the lower clamp mounting plate is arranged above the two lower clamp supports;
the left and right driving mechanism comprises two first ball screws which are arranged side by side in the front and back directions, two first ball screw nuts are arranged on each first ball screw, the left and right driving mechanism is respectively connected with the two first ball screws through the left and right transmission mechanism, and the two first ball screws are driven to rotate through the left and right driving mechanism;
each first ball screw nut is fixed with the sliding block plate through the nut seat;
the two slide blocks are arranged side by side along the left-right direction, the first ball screw nut on the left side is fixed with the slide block plate on the left side, the first ball screw nut on the right side is fixed with the slide block plate on the right side, and each slide block is fixedly provided with a group of lower clamp assemblies;
two lower guide rail sliders are fixed on the front and rear bottom surfaces below each slider plate.
6. The four-point bending testing machine for photovoltaic glass according to any one of claims 1 to 5, wherein the movable frame comprises a front frame plate, a rear frame plate, balance beams positioned on the left side and the right side between the front frame plate and the rear frame plate, two L-shaped movable plates, and an upper clamp mounting plate positioned in the middle between the front frame plate and the rear frame plate, wherein one movable plate is fixed in the middle of the bottom surface of each balance beam, the vertical section of each movable plate is fixed with the balance beam, and the transverse section of each movable plate is connected with the moving end of the up-down moving mechanism;
the pressure sensor assembly is fixed on the bottom surface of the upper clamp mounting plate.
7. The photovoltaic glass four-point bending tester as claimed in any one of claims 1 to 5, wherein the pressure sensor assembly comprises an upper guide rail fixed on the movable frame, and at least one upper guide rail slide block slidably connected on the upper guide rail, at least one S-shaped pressure sensor is fixed on the bottom surface of each upper guide rail slide block, a sensor adjusting plate is fixed on the S-shaped pressure sensor through a connecting plate, and the bottom surface of the sensor adjusting plate is fixed with the upper clamp.
8. The photovoltaic glass four-point bending tester as claimed in any one of claims 1 to 5, wherein the upper clamp comprises an upper clamp joint connected with the pressure sensor assembly, an upper clamp base connected with the upper clamp joint, and two upper clamp loading plates connected with the upper clamp base, the upper clamp joint and the upper clamp base are rotatably connected through a first rotating shaft, each upper clamp loading plate is rotatably connected with the upper clamp base through a second rotating shaft, an axial direction of the first rotating shaft is a front-back direction, and an axial direction of the second rotating shaft is a left-right direction;
the two loading plates are arranged side by side along the left-right direction, an upper compression roller supporting seat is arranged at each of the front end and the rear end of each loading plate, an upper compression roller is arranged below each loading plate, the axial direction of each upper compression roller is the front-rear direction, and the front end and the rear end of each upper compression roller are connected with the corresponding upper compression roller supporting seat through a deep groove ball bearing.
9. The photovoltaic glass four-point bending tester according to any one of claims 1 to 5, wherein the up-and-down moving mechanism comprises two sets of up-and-down moving components and an up-and-down driving mechanism, the two sets of up-and-down moving components are respectively arranged at the left side and the right side, each set of up-and-down moving components comprises a second ball screw and a second ball screw nut arranged on the second ball screw, and the second ball screw nut is connected with the movable frame;
the upper and lower driving mechanism is located on one of the left side or the right side, the upper and lower driving mechanism is connected with the second ball screw on the same side through a speed reducer, the upper and lower driving mechanism is connected with another speed reducer through a speed reducer transmission shaft, the other speed reducer is located on the other side of the upper and lower driving mechanism, and the other speed reducer is connected with the second ball screw on the same side.
10. The photovoltaic glass four-point bending test machine according to claim 9, wherein the frame comprises a left bottom frame and a right bottom frame, the up-down driving mechanism is fixed on one of the bottom frames, the two speed reducers are respectively fixed on the two bottom frames, the speed reducer transmission shafts respectively penetrate through the side walls of the two bottom frames and then are connected with the corresponding speed reducers, and each second ball screw penetrates through the bottom frames on the same side and then is vertically arranged;
still including being located two direction optical axes in the second ball screw outside, two the direction optical axis sets up side by side along the fore-and-aft direction the chassis top, the adjustable shelf sliding connection is two the direction optical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023306761.XU CN213875289U (en) | 2020-12-31 | 2020-12-31 | Photovoltaic glass four-point bending test machine |
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| CN118010526A (en) * | 2024-04-09 | 2024-05-10 | 索拉特特种玻璃(江苏)股份有限公司 | Four-point bending testing machine for ultra-white rolled glass |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118010526A (en) * | 2024-04-09 | 2024-05-10 | 索拉特特种玻璃(江苏)股份有限公司 | Four-point bending testing machine for ultra-white rolled glass |
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