CN113390727B - Electrohydraulic servo pressure testing machine and cleaning protection device thereof - Google Patents

Electrohydraulic servo pressure testing machine and cleaning protection device thereof Download PDF

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Publication number
CN113390727B
CN113390727B CN202110656197.4A CN202110656197A CN113390727B CN 113390727 B CN113390727 B CN 113390727B CN 202110656197 A CN202110656197 A CN 202110656197A CN 113390727 B CN113390727 B CN 113390727B
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Prior art keywords
fixedly connected
plate
cleaning
shell
sliding
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CN113390727A (en
Inventor
程丹
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Hubei Guangfu Cement Products Co ltd
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Hubei Guangfu Cement Products Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12Pressure testing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/10Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/16Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
    • B08B1/165Scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/30Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • G01N3/04Chucks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/0042Pneumatic or hydraulic means
    • G01N2203/0048Hydraulic means

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The invention discloses an electrohydraulic servo pressure testing machine and a cleaning and protecting device thereof, and particularly relates to the technical field of machinery. According to the invention, by arranging the electric hydraulic rod, the fixing plate, the connecting rope, the blowing component, the rope, the cleaning component and the collecting box, the device can realize the automatic cleaning of residues after experiments in the process that the electric hydraulic rod drives the pressing plate to deviate from the test, not only can realize the cleaning of larger residues, but also can clean smaller particles, ensures the cleaning thoroughness, can simultaneously realize the collecting of residues, meets the use requirement, and enables the test work to be easier, and meanwhile, the whole process does not need to be additionally provided with other electric drive, thereby bringing good use value.

Description

Electrohydraulic servo pressure testing machine and cleaning protection device thereof
Technical Field
The invention relates to the technical field of machinery, in particular to an electrohydraulic servo pressure testing machine and a cleaning and protecting device thereof.
Background
The pressure testing machine is an instrument for detecting the compressive strength of cement and concrete, and is generally composed of a placing table, a driving extrusion mechanism and a bracket in the prior art, and the following problems still exist during use:
1. after the pressure testing machine is used, burst cement blocks or concrete blocks can be scattered everywhere, and the next test can be carried out after cleaning, so that the operation is troublesome;
2. Because the extrusion area is open, when the pressure test is carried out, the cement block or the concrete block bursts after reaching the maximum strength, and part of fragments can splash to hurt people, so that the potential safety hazard is larger;
in view of the foregoing, there is a need for an improvement in the prior art pressure testing machine to address the above-mentioned problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an electrohydraulic servo pressure testing machine and a cleaning and protecting device thereof, and the technical problems to be solved by the invention are as follows: after the pressure testing machine is used in the prior art, burst cement blocks or concrete blocks can be scattered everywhere, the next test can be carried out after cleaning is needed, the pressure testing machine is more troublesome, when the pressure testing machine is used for carrying out the pressure test, burst can occur after the cement blocks or concrete blocks reach the maximum strength, and part of fragments can splash to hurt people, so that the potential safety hazard is high.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an electrohydraulic servo pressure testing machine and clearance protector thereof, includes support shell and protecting crust, be provided with two collection boxes in the support shell, the upper surface of support shell and the lower fixed surface of backup pad are connected, the upper surface of backup pad and the lower fixed surface who bloies the subassembly, the right flank of bloies the subassembly and the left end fixed connection of clearance subassembly, the lower surface of clearance subassembly and the upper surface overlap joint of backup pad, the right flank of clearance subassembly and the one end fixed connection of two ropes, two the other end and the lower fixed surface of same limiting plate of rope are connected, the lower surface of limiting plate and the upper fixed surface of fixed plate are connected.
The lower surface of fixed plate and the last fixed surface of clamp plate are connected, the lower surface of fixed plate and the one end fixed connection of connecting rope, the other end winding of connecting rope is at the surface of blast module, the upper surface joint of backup pad has four sliding sleeves, the left surface of sliding sleeve and the right side fixed connection of slider, two spouts have all been seted up to the left surface of protecting crust inner wall and the right side of inner wall, slider sliding connection is in the spout, the upper surface of fixed plate and the bottom fixed connection of electronic hydraulic stem, the surface joint of electronic hydraulic stem has the roof, the upper surface joint of roof has the telescopic link, the bottom of telescopic link and the last fixed surface of limiting plate are connected.
As a further aspect of the invention: the right side of protecting crust is provided with the observation window, the through-hole has been seted up to the upper surface of fixed plate, the upper surface fixedly connected with slipmat of backup pad.
As a further aspect of the invention: the support shell is internally and fixedly connected with a second magnet, the left side face and the right side face of the second magnet are respectively overlapped with the opposite faces of the two first magnets, and the right side face of the first magnet is fixedly connected with the left side face of the collecting box.
As a further aspect of the invention: the upper surface of supporting shell has seted up the discharge opening, the guide hole has been seted up to the upper surface of backup pad.
As a further aspect of the invention: the inner surface of the sliding sleeve is sleeved with sliding rods, the top ends of the four sliding rods are fixedly connected with the lower surface of the top plate, and the bottom ends of the four sliding rods are fixedly connected with the upper surface of the supporting plate.
As a further aspect of the invention: the outer surface of rope and the outer surface overlap joint of pulley, the right flank of pulley and the left flank fixed connection of right slide bar, the lower surface of spout inner wall and the one end fixed connection of second spring, the other end of second spring and the lower surface fixed connection of slider.
As a further aspect of the invention: the cleaning assembly comprises a scraping plate, the right side face of the scraping plate is fixedly connected with one ends of two ropes, the lower surface of the scraping plate is overlapped with the upper surface of the supporting plate, two guide sleeves are connected to the left side face of the scraping plate in a clamping mode, guide rods are sleeved on the inner surfaces of the guide sleeves, the left ends of the guide rods are fixedly connected with the right side face of the blowing assembly, the right ends of the guide rods are fixedly connected with the left side faces of two sliding rods respectively, and the left side faces of the guide sleeves are fixedly connected with the right side face of the blowing assembly through first springs.
As a further aspect of the invention: the utility model provides a subassembly of blowing includes the net shell, net shell fixed connection is in the upper surface of backup pad, the right flank of net shell respectively with the left end fixed connection of two first springs and two guide bars, the left surface joint of net shell has three bearings, the pivot has been cup jointed to the internal surface of bearing, and is three the pivot passes through chain drive and connects, the right-hand member fixedly connected with flabellum of pivot, one of them the surface joint of pivot has the rope reel, the right flank of rope reel passes through torsional spring and the left surface fixed connection of bearing, the connecting rope twines the surface at the rope reel.
The invention has the beneficial effects that:
1. according to the invention, the electric hydraulic rod, the fixed plate, the connecting rope, the blowing component, the rope, the cleaning component and the collecting box are arranged, the electric hydraulic rod drives the fixed plate to move upwards, the rope drives the cleaning component to move rightwards, so that waste residues can be scraped into the collecting box, the blowing component is driven to blow through the connecting rope to blow off impurities on the surface of the supporting plate, and the impurities on the surface of the supporting plate can be blown off again, so that the device can realize the automatic cleaning of residues after experiments in the process of taking out the pressing plate under the driving of the electric hydraulic rod, the cleaning of larger residues and the cleaning of smaller particles can be realized, the cleaning thoroughness is ensured, meanwhile, the collecting of the residues is realized, the use requirement is met, the testing work is easier, and other electric drives are not needed to be additionally arranged in the whole process, so that good use value can be brought;
2. According to the invention, the second spring and the protective shell are arranged, and in the process of downward movement of the pressing plate, the protective shell can move downward along with the pressing plate, so that the protective shell can seal the periphery of a testing area, the problem that broken fragments splash can be prevented, the safety of testing personnel is further ensured, meanwhile, the elastic force of the second spring can be compressed when the protective shell is in contact with the supporting plate, the protective shell can be prevented from moving, and meanwhile, the pressing plate can be ensured to smoothly press down to perform pressure testing on a piece to be tested.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of a three-dimensional structure of a protective housing according to the present invention;
FIG. 4 is a schematic view showing a three-dimensional structure of a fixing plate according to the present invention;
FIG. 5 is a schematic view of a cleaning assembly according to the present invention;
FIG. 6 is a schematic top view of a blower assembly according to the present invention;
In the figure: 1 supporting shell, 2 collecting box, 3 supporting plates, 4 connecting ropes, 5 blowing components, 51 net shells, 52 torsion springs, 53 fan blades, 54 chain transmission, 55 rotating shafts, 56 rope reels, 57 bearings, 6 cleaning components, 61 scraping plates, 62 guide rods, 63 guide sleeves, 64 first springs, 7 ropes, 8 limiting plates, 9 fixing plates, 10 electric hydraulic rods, 11 sliding sleeves, 12 sliding blocks, 13 sliding grooves, 14 second springs, 15 pressing plates, 16 sliding rods, 17 through holes, 18 telescopic rods, 19 top plates, 20 protecting shells, 21 pulleys, 22 guide holes, 23 discharge holes, 24 first magnets, 25 second magnets, 26 anti-skid pads and 27 observation windows.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 6, the invention provides an electrohydraulic servo pressure testing machine and a cleaning and protecting device thereof, comprising a supporting shell 1 and a protecting shell 20, wherein the protecting shell 20 can move downwards along with a pressing plate 15 in the downward moving process of the pressing plate 15 by arranging the protecting shell 20, so that the protecting shell 20 can seal the periphery of a testing area, thereby preventing broken fragments from splashing, further guaranteeing the safety of testing personnel, the supporting shell 1 is arranged, so that the collecting box 2 can be stored and placed, two collecting boxes 2 are arranged in the supporting shell 1, the collecting box 2 can collect residues by arranging the collecting boxes 2, thereby facilitating the work of centralized processing of residues by testing personnel, the upper surface of supporting shell 1 and the lower fixed surface of backup pad 3 are connected, the upper surface of backup pad 3 and the lower fixed surface of subassembly 5 of blowing are connected, the right flank of subassembly 5 of blowing and the left end fixed connection of clearance subassembly 6, the lower surface of clearance subassembly 6 and the upper surface overlap joint of backup pad 3, the right flank of clearance subassembly 6 and the one end fixed connection of two ropes 7, through setting up rope 7, and rope 7 can provide the pulling force point, and then can turn into the pulling force of rope 7 the rotation force of rope reel 56, thereby can control the work that flabellum 53 was rotated smoothly, the other end and the lower fixed surface of same limiting plate 8 of two ropes 7 are connected, the lower surface of limiting plate 8 and the upper fixed surface of fixed plate 9 are connected.
The lower surface of fixed plate 9 and the upper surface fixed connection of clamp plate 15, the lower surface of fixed plate 9 and the one end fixed connection of connecting rope 4, through setting up connecting rope 4, make connecting rope 4 can keep limiting plate 8 and scraper blade 61's connection work, thereby can realize long distance's control work, the other end winding of connecting rope 4 is at the surface of blast module 5, four sliding sleeves 11 of upper surface joint of backup pad 3, the left surface of sliding sleeve 11 and the right flank fixed connection of slider 12, two spouts 13 have all been seted up to the left surface of protecting crust 20 inner wall and the right flank of inner wall, through setting up slider 12 and spout 13, and slider 12 and spout 13's shape all set up to T shape, make slider 12 can be in the smooth slip of spout 13, slider 12 sliding connection is in spout 13, the upper surface of fixed plate 9 and the bottom fixed connection of electronic hydraulic stem 10, through setting up electronic hydraulic stem 10 and clamp plate 15, make electronic hydraulic stem 10 can control clamp 15 move down, thereby can carry out the test work of pressure to the piece that awaits measuring, the surface joint of electronic hydraulic stem 10 has upper surface 19 and the telescopic link plate 18, the telescopic link plate 18 is connected with the top plate 8.
As shown in fig. 1 and2, the right side surface of the protective housing 20 is provided with an observation window 27, by arranging the observation window 27, and the observation window 27 has good transparency, thereby facilitating the test personnel to check the internal part to be tested, the upper surface of the fixing plate 9 is provided with a through hole 17, the through hole 17 is provided, and the position of the through hole 17 corresponds to the position of the net housing 51, thereby preventing the net housing 51 from generating blocking force to the fixing plate 9, the upper surface of the supporting plate 3 is fixedly connected with an anti-slip pad 26, by arranging the anti-slip pad 26, the friction force between the anti-slip pad 26 and the part to be tested can be increased, thereby guaranteeing the stability of the part to be tested in the process of testing, the second magnet 25 is fixedly connected in the supporting housing 1, the left side surface and the right side surface of the second magnet 25 are respectively overlapped with the opposite surfaces of the two first magnets 24, by arranging the first magnet 24 and the second magnet 25, the first magnet 24 can be adsorbed on the surface of the second magnet 25, so that the placement stability of the collecting box 2 can be ensured, the right side surface of the first magnet 24 is fixedly connected with the left side surface of the collecting box 2, the upper surface of the supporting shell 1 is provided with a discharging hole 23, the upper surface of the supporting plate 3 is provided with a material guiding hole 22, the smooth entry of residues into the collecting box 2 can be ensured by providing the discharging hole 23 and the material guiding hole 22, the inner surface of the sliding sleeve 11 is sheathed with the sliding rod 16, the sliding sleeve 11 can stably move on the surface of the sliding rod 16 by arranging the sliding rod 16 and the sliding sleeve 11, the sliding rod 12 can further move up and down more stably, the top ends of the four sliding rods 16 are fixedly connected with the lower surface of the top plate 19, the bottom ends of the four sliding rods 16 are fixedly connected with the upper surface of the supporting plate 3, the outer surface of the rope 7 is lapped with the outer surface of the pulley 21 by arranging the pulley 21, the pulley 21 can play a role in guiding the rope 7, meanwhile, the pulley 21 can reduce friction force between the pulley 21 and the rope 7, so that smooth sliding of the rope 7 can be ensured, the right side face of the pulley 21 is fixedly connected with the left side face of the right sideslip rod 16, the lower surface of the inner wall of the sliding groove 13 is fixedly connected with one end of the second spring 14, the elastic force of the second spring 14 can generate compression when the protective shell 20 is in contact with the supporting plate 3 through the second spring 14, the protective shell 20 can be ensured not to generate position movement, meanwhile, the pressing plate 15 is ensured to smoothly press down to perform pressure test on a piece to be tested, and the other end of the second spring 14 is fixedly connected with the lower surface of the sliding block 12.
As shown in fig. 5, the cleaning assembly 6 includes a scraper 61, the right side of the scraper 61 is fixedly connected with one end of two ropes 7, the lower surface of the scraper 61 is overlapped with the upper surface of the supporting plate 3, the left side of the scraper 61 is clamped with two guide sleeves 63, the inner surface of each guide sleeve 63 is sleeved with a guide rod 62, the guide sleeves 63 and the guide rods 62 are arranged, so that the guide sleeves 63 can slide smoothly left and right on the surface of each guide rod 62, the scraper 61 can stably move, the problem that the scraper 61 is unevenly stressed is avoided, the left ends of the two guide rods 62 are fixedly connected with the right side of the blowing assembly 5, the right ends of the two guide rods 62 are fixedly connected with the left sides of the two slide rods 16 respectively, the left sides of the two guide sleeves 63 are fixedly connected with the right side of the blowing assembly 5 through first springs 64, and the elastic tension of the first springs 64 can drive the scraper 61 to reset leftwards, and further the residue can be smoothly scraped to the collecting box 2.
As shown in fig. 6, the air blowing component 5 includes a net shell 51, the net shell 51 is fixedly connected to the upper surface of the supporting plate 3, through setting up the net shell 51, the net shell 51 can ensure the normal flow of air, thereby make the flabellum 53 can smoothly blow, the right side of the net shell 51 is fixedly connected with the left ends of two first springs 64 and two guide rods 62 respectively, three bearings 57 are clamped on the left side of the net shell 51, through setting up the bearings 57, the bearings 57 can support the rotating shaft 55, the bearings 57 can ensure the normal rotation of the rotating shaft 55, the rotating shaft 55 is sleeved on the inner surface of the bearings 57, the three rotating shafts 55 are connected through chain transmission 54, through setting up the chain transmission 54, under the action of the chain transmission 54, the three flabellum 53 can be further ensured to rotate at the same time, and then the blowing area can be increased, the right side of the rotating shaft 55 is fixedly connected with the flabellum 53, the outer surface of one of the rotating shafts 55 is clamped with a rope reel 56, the right side of the rope reel 56 is fixedly connected with the left side of the bearings 57 through the torsion springs 52, the torsion springs 52 can support the rotating shaft 55, the rope reel 56 can be further connected with the rope reel 4 through the torsion springs, and the rope 4 can be further connected with the rope reel 4 in a loose connection mode, and the rope 4 can be prevented from being wound.
The working principle of the invention is as follows:
s1, when a test is needed, firstly placing a piece to be tested on the surface of an anti-skid pad 26, and then controlling the extension of an electric hydraulic rod 10, so that the electric hydraulic rod 10 pushes a fixed plate 9 to move downwards, and a connecting rope 4 is loosened, at the moment, because a torsion spring 52 originally remains torsion, a rotating shaft 55 can be driven to rotate, and the rotating shaft 55 drives a rope disc 56 to wind the connecting rope 4, and meanwhile, a limiting plate 8 moves downwards, so that the rope 7 is loosened;
S2, as the elastic force is reserved on the first spring 64, the elastic force of the first spring 64 drives the guide sleeve 63 to move leftwards, the guide sleeve 63 drives the scraping plate 61 to move leftwards, the fixed plate 9 pushes the pressing plate 15 to move downwards, the protective shell 20 moves downwards, the protective shell 20 contacts the surface of the supporting plate 3, the pressing plate 15 moves downwards to contact the workpiece to be detected, pressure detection is carried out on the workpiece to be detected, when the workpiece to be detected is broken, the splashing of scraps can be prevented through the protective shell 20, and the highest pressure point of the workpiece to be detected can be checked through external equipment;
s3, finally, the electric hydraulic rod 10 is controlled to be shortened, the electric hydraulic rod 10 drives the fixing plate 9 to move upwards, the fixing plate 9 drives the pressing plate 15 to be separated from a piece to be detected upwards, at the moment, the limiting plate 8 drives the rope 7 to move upwards, the rope 7 pulls the scraping plate 61 to move, the scraping plate 61 moves rightwards, the scraping plate 61 scrapes broken residues rightwards, meanwhile, the connecting rope 4 stretches upwards, the connecting rope 4 moves a small distance to control the rope disc 56 to rotate quickly for a plurality of circles, and under the action of the chain transmission 54, the three fan blades 53 can rotate quickly, so that the fan blades 53 can blow, and impurities and residues can enter the collecting box 2 through the material guide hole 22 and the discharging hole 23 to collect.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (4)

1. The utility model provides an electrohydraulic servo pressure testing machine and clearance protector thereof, includes support shell (1) and protecting crust (20), its characterized in that: the cleaning device comprises a supporting shell (1), wherein two collecting boxes (2) are arranged in the supporting shell (1), the upper surface of the supporting shell (1) is fixedly connected with the lower surface of a supporting plate (3), the upper surface of the supporting plate (3) is fixedly connected with the lower surface of a blowing component (5), the right side surface of the blowing component (5) is fixedly connected with the left end of a cleaning component (6), the lower surface of the cleaning component (6) is overlapped with the upper surface of the supporting plate (3), the right side surface of the cleaning component (6) is fixedly connected with one ends of two ropes (7), the other ends of the two ropes (7) are fixedly connected with the lower surface of the same limiting plate (8), and the lower surface of the limiting plate (8) is fixedly connected with the upper surface of a fixing plate (9);
The lower surface of the fixed plate (9) is fixedly connected with the upper surface of the pressing plate (15), the lower surface of the fixed plate (9) is fixedly connected with one end of the connecting rope (4), the other end of the connecting rope (4) is wound on the outer surface of the blowing component (5), four sliding sleeves (11) are clamped on the upper surface of the supporting plate (3), the left side surface of the sliding sleeve (11) is fixedly connected with the right side surface of the sliding block (12), two sliding grooves (13) are formed in the left side surface of the inner wall of the protective shell (20) and the right side surface of the inner wall, the sliding block (12) is slidably connected in the sliding grooves (13), the upper surface of the fixed plate (9) is fixedly connected with the bottom end of the electric hydraulic rod (10), a top plate (19) is clamped on the outer surface of the electric hydraulic rod (10), a telescopic rod (18) is clamped on the upper surface of the top plate (19), and the bottom end of the telescopic rod (18) is fixedly connected with the upper surface of the limiting plate (8).
The inner surface of the sliding sleeve (11) is sleeved with sliding rods (16), the top ends of the four sliding rods (16) are fixedly connected with the lower surface of a top plate (19), the bottom ends of the four sliding rods (16) are fixedly connected with the upper surface of a supporting plate (3), the outer surface of the rope (7) is overlapped with the outer surface of a pulley (21), the right side surface of the pulley (21) is fixedly connected with the left side surface of the right sliding rod (16), the lower surface of the inner wall of the sliding groove (13) is fixedly connected with one end of a second spring (14), and the other end of the second spring (14) is fixedly connected with the lower surface of the sliding block (12);
The cleaning assembly (6) comprises a scraping plate (61), the right side surface of the scraping plate (61) is fixedly connected with one ends of two ropes (7), the lower surface of the scraping plate (61) is overlapped with the upper surface of the supporting plate (3), two guide sleeves (63) are clamped on the left side surface of the scraping plate (61), guide rods (62) are sleeved on the inner surface of each guide sleeve (63), the left ends of the two guide rods (62) are fixedly connected with the right side surface of the air blowing assembly (5), the right ends of the two guide rods (62) are respectively fixedly connected with the left side surfaces of the two sliding rods (16), and the left side surfaces of the two guide sleeves (63) are fixedly connected with the right side surface of the air blowing assembly (5) through first springs (64);
the utility model provides a subassembly (5) of blowing includes cell-shell (51), cell-shell (51) fixed connection is at the upper surface of backup pad (3), the right flank of cell-shell (51) respectively with the left end fixed connection of two first springs (64) and two guide bars (62), the left surface joint of cell-shell (51) has three bearing (57), the inner surface of bearing (57) cup joints pivot (55), three pivot (55) are passed through chain drive (54) transmission and are connected, the right-hand member fixedly connected with flabellum (53) of pivot (55), one of them the surface joint of pivot (55) has rope reel (56), the right flank of rope reel (56) is through torsional spring (52) and the left flank fixed connection of bearing (57), connecting rope (4) twine the surface at rope reel (56).
2. The electrohydraulic servo pressure testing machine of claim 1, and a cleaning and protecting device thereof, wherein: the right side of protecting crust (20) is provided with observation window (27), through-hole (17) have been seted up to the upper surface of fixed plate (9), the upper surface fixedly connected with slipmat (26) of backup pad (3).
3. The electrohydraulic servo pressure testing machine of claim 1, and a cleaning and protecting device thereof, wherein: the support shell (1) is internally and fixedly connected with a second magnet (25), the left side face and the right side face of the second magnet (25) are respectively overlapped with the opposite faces of the two first magnets (24), and the right side face of the first magnets (24) is fixedly connected with the left side face of the collecting box (2).
4. The electrohydraulic servo pressure testing machine of claim 1, and a cleaning and protecting device thereof, wherein: the upper surface of supporting shell (1) has seted up discharge opening (23), guide hole (22) have been seted up to the upper surface of backup pad (3).
CN202110656197.4A 2021-06-11 2021-06-11 Electrohydraulic servo pressure testing machine and cleaning protection device thereof Active CN113390727B (en)

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CN114798471B (en) * 2022-06-30 2022-09-09 深圳益实科技有限公司 Automatic testing arrangement of LCD screen compressive property
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