CN109026903A - Engineering machinery hydraulic cylinder dynamic performance integrated test platform - Google Patents
Engineering machinery hydraulic cylinder dynamic performance integrated test platform Download PDFInfo
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- CN109026903A CN109026903A CN201810940609.5A CN201810940609A CN109026903A CN 109026903 A CN109026903 A CN 109026903A CN 201810940609 A CN201810940609 A CN 201810940609A CN 109026903 A CN109026903 A CN 109026903A
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- hydraulic cylinder
- rod
- fixedly mounted
- wall
- cavity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
Abstract
Engineering machinery hydraulic cylinder dynamic performance integrated test platform, cabinet including front openings, cabinet bottom end side opens up cavity, cabinet bottom end inner wall side opens up strip grooves, strip grooves are located above cavity, the first horizontal telescopic rod is fixedly mounted in strip grooves side inner wall, sliding block is fixedly mounted in the movable boom end of first telescopic rod, sliding block is located in strip grooves, sliding block top is hingedly installed by tested hydraulic cylinder, the cylinder barrel side of tested hydraulic cylinder opens up the first placing groove, the second vertical telescopic rod is fixedly mounted in the top inner wall of first placing groove, sliding shoe is fixedly mounted in the motion bar bottom end of second telescopic rod, sliding shoe is located in the first placing groove, the hinged installing connecting rods of loop bar top margin of first telescopic rod.Piston rod by limiting the piston rod that cover can to tested hydraulic cylinder, the first test hydraulic cylinder is defined, and is avoided the piston rod of tested hydraulic cylinder during the test and the piston rod of the first test hydraulic cylinder from misplacing, is made test effect more preferably.
Description
Technical field
The invention belongs to hydraulic cylinder the field of test technology, specifically a kind of engineering machinery hydraulic cylinder dynamic performance comprehensive
Test platform.
Background technique
When testing hydraulic cylinder, tested hydraulic cylinder is horizontal positioned and contacts with test hydraulic cylinder, and is testing
Only have a bearing block in the process to be defined, and then tested hydraulic cylinder is prone to deviate during the test, causes to survey
Data inaccuracy is tried, the quality evaluation of hydraulic cylinder is influenced.
Summary of the invention
The present invention provides a kind of engineering machinery hydraulic cylinder dynamic performance integrated test platform, in the prior art to solve
Defect.
The present invention is achieved by the following technical programs:
Engineering machinery hydraulic cylinder dynamic performance integrated test platform, the cabinet including front openings, cabinet bottom end side open up chamber
Body, cabinet bottom end inner wall side open up strip grooves, and strip grooves are located above cavity, and strip grooves side inner wall is fixedly mounted horizontal
Sliding block is fixedly mounted in the movable boom end of first telescopic rod, the first telescopic rod, and sliding block is located in strip grooves, and sliding block top is hingedly pacified
Tested hydraulic cylinder is filled, the cylinder barrel side of tested hydraulic cylinder opens up the first placing groove, and the top inner wall of the first placing groove is fixed
Sliding shoe is fixedly mounted in the second vertical telescopic rod of installation, the motion bar bottom end of the second telescopic rod, and sliding shoe is located at first and places
In slot, the hinged installing connecting rods of loop bar top margin of the first telescopic rod, one end of connecting rod and the side of sliding shoe are articulated and connected, cavity top
End inner wall opens up two through grooves, and two through grooves are located at the rear and front end of strip grooves, pass through two between the two sides inner wall of cavity
The second guide rod of root is fixedly connected, and two second guide rods are parallel to each other and are located at the rear and front end of cavity, and every second
Guide rod is located at below a through groove, and one group of screw rod group is installed in the two sides of cavity respectively, and two groups of screw rod groups are located at two second and lead
To between bar, every group of screw rod group is made of two screw rods, two nuts, and every screw rod and a nut thread cooperate, every group of spiral shell
One end of two screw rods in bar group tilts the middle part towards cavity, and the first fixing sleeve is hingedly installed on the top of each nut,
Cooperate the second fixing sleeve there are two setting on every second guide rod, passes through between two second fixing sleeves of cavity the same side
A piece connecting rod is fixedly connected, and connecting rod is mutually perpendicular to the second guide rod, and two connecting rods are parallel to each other, every connecting rod energy
Two first fixing sleeves of cavity the same side are placed through, one end of two screw rods in every group of screw rod group is fixedly mounted respectively
First bevel gear, cavity top end inner wall open up the second placing groove, and the 6th of the second placing groove side inner wall fixed installation level stretches
Movable block is fixedly mounted in contracting bar, the movable boom end of the 6th telescopic rod, and vertical bar, the bottom end of vertical bar is fixedly mounted in the bottom end of movable block
Dual-axle motor is fixedly mounted, the second bevel gear, each second umbrella tooth are fixedly mounted respectively on two output shafts of dual-axle motor
Wheel can engage cooperation with two the first bevel gears in same group of screw rod group, the first fixing sleeve of two in front of cavity top
Activity installation has the disk of motor, and the direction of rotation of two disks is on the contrary, the top of each disk is fixedly mounted vertical the
Three telescopic rods, two third telescopic rods are placed through the through groove in front of strip grooves, two the first fixing sleeves positioned at cavity rear
The 4th vertical telescopic rod is fixedly mounted in top, and two the 4th telescopic rods are placed through the through groove at strip grooves rear, every third
Horizon bar is fixedly mounted in telescopic rod motion bar top, and the motion bar of third telescopic rod is located at bottom edge one end of horizon bar, and every the
Fixed block is fixedly mounted in four telescopic rod motion bar tops, and the phase backside of two pieces of fixed blocks does not open up square groove respectively, square groove
Front end communicates with the outside world, and the other end of every horizon bar can be inserted into a corresponding square groove, and cabinet bottom end inner wall is another
The first test hydraulic cylinder is fixedly mounted in side, and towards strip grooves, cabinet bottom end inner wall opens up to be cut the first test hydraulic cylinder direction of extension
Face is the sliding slot of T-type, and cooperation is equipped with the movable block that section is T-type in sliding slot, and the limit of both ends open is fixedly mounted in movable block top
The piston rod of fixed set, the piston rod of tested hydraulic cylinder and the first test hydraulic cylinder can be inserted into restriction set, cabinet bottom end
Four the second vertical test hydraulic cylinders are fixedly mounted in inner wall, and four second test hydraulic cylinders are in rectangular arranged, four second surveys
It being fixedly connected between test solution cylinder pressure top by one piece of fixing seat, fixing seat bottom surface side opens up two grooves being parallel to each other,
Two grooves are located at the rear and front end of tested hydraulic cylinder, and groove is parallel to each other with strip grooves, two sides inner wall point in every groove
Not Tong Guo bearing activity screw rod is installed, pass through the fixed company of link block between the opposite end of two screw rods in same groove
It connects, a wherein screw rod for two in same groove piece screw rod has motor, two silks in same groove
For bar screw thread on the contrary, every screw rod cooperation is equipped with screw, the 5th vertical telescopic rod is fixedly mounted in the bottom end of each screw, is located at solid
It is fixedly connected between two the 5th telescopic rod bottom ends of reservation the same side by a horizontal fixed link, fixed link is stretched with the 5th
Contracting bar is mutually perpendicular to, and l-shaped rod is fixedly mounted in the rear and front end of every fixed link respectively, and the vertical bar of every l-shaped rod is located at two
Between fixed link, the sleeve of top end opening is fixedly mounted in both sides respectively before and after the cylinder barrel of tested hydraulic cylinder, is located at same
The vertical bar of two l-shaped rods below groove can be inserted into a sleeve.
Engineering machinery hydraulic cylinder dynamic performance integrated test platform as described above leads between the cavity two sides inner wall
It crosses a first horizontal guide rod to be fixedly connected, the first guide rod is located at cavity bottom end, and the first guide rod is located at two second
Between guide rod, cooperation is set there are two guide sleeve on the first guide rod, and two guide sleeves are located at the two sides of the first guide rod,
Third fixing sleeve is fixedly mounted in each guide sleeve top, and every connecting rod can pass through a third fixing sleeve.
Engineering machinery hydraulic cylinder dynamic performance integrated test platform as described above, the fixing seat top and cabinet top
It is fixedly connected between the inner wall of end by several springs.
Engineering machinery hydraulic cylinder dynamic performance integrated test platform as described above, the one of the second test hydraulic cylinder
Inclined support rod is fixedly mounted in side, and the bottom end of support rod is fixedly connected with the bottom end inner wall of cabinet.
Engineering machinery hydraulic cylinder dynamic performance integrated test platform as described above, the material of the connecting rod are steel material
Matter.
Engineering machinery hydraulic cylinder dynamic performance integrated test platform as described above, the material of the horizon bar are steel
Material.
The invention has the advantages that tested hydraulic cylinder is when in a horizontal state, i.e., when horizontal addload is tested, it is tested hydraulic
Cylinder stretching, extension is inserted into piston rod in restriction set, while the piston rod of the first test hydraulic cylinder is stretched and is also inserted into restriction and covers
Interior, then the 6th telescopic rod stretches, and pushes movable block mobile to cavity side, and movable block is fixedly connected with vertical bar, vertical bar with pair
Spindle motor is fixedly connected, and movable block movement can drive vertical bar, dual-axle motor mobile, makes the second bevel gear and wherein one group of screw rod
Two the first bevel gears in group engage cooperation, and dual-axle motor work drives the second bevel gear, the rotation of the first bevel gear, the first umbrella
Gear is fixedly connected with screw rod, and then two screw rods in one group of screw rod group can be made to rotate, every screw rod and a nut spiral shell
Line cooperation, nut and the first fixing sleeve are articulated and connected, and connecting rod passes through two the first fixing sleeves, and connecting rod and the second fixing sleeve
It is fixedly connected, screw rod rotation can make nut drive the first fixing sleeve mobile to the middle part of cavity, and the first fixing sleeve is mobile to be driven
Connecting rod, the second fixing sleeve are mobile, and the second fixing sleeve is fixedly connected with third telescopic rod, and third telescopic rod makes the across through groove
Three telescopic rods are moved along through groove, are moved to third telescopic rod within the scope of the cylinder barrel of tested hydraulic cylinder, while third telescopic rod
Stretching, extension is located in horizon bar above the tested hydraulic cylinder of horizontality, and then disc rotary drives one of third to stretch
The rotation of contracting bar makes horizon bar to fixed Block direction rotation, and is inserted into the other end of horizon bar in square groove, and then third is stretched
Contracting bar is shunk, and so that horizon bar is contacted with the cylinder barrel of tested hydraulic cylinder and is pressed downwards to cylinder barrel, to the cylinder of tested hydraulic cylinder
Cylinder is defined, and similarly the 6th telescopic rod is shunk, and nibbles the second bevel gear with two the first bevel gears in another group of screw rod group
It closes, after being moved to other two third telescopic rods within the scope of the piston rod of tested hydraulic cylinder, makes horizon bar and tested solution
The plunger rod contacts of cylinder pressure are simultaneously defined piston rod, then carry out horizontal addload test；After horizontal addload is tested, need
When carrying out the test of weight simulation loading, the first telescopic rod is shunk, and band movable slider is mobile to the first telescopic rod direction, while second
Telescopic rod, which is shunk, drives sliding shoe to the movement of the second telescopic rod direction, and passes through the hinge of connecting rod between sliding shoe and the first telescopic rod
It connects in succession, tested hydraulic cylinder can be made to gradually become vertical state, until tested hydraulic cylinder becomes vertical state, then band
There is the screw rod of motor to rotate, and two wire rod threads being located in same groove are on the contrary, can make to be located in same groove
The relative movement of two screws, screw is fixedly connected with the 5th telescopic rod, and screw can drive the 5th telescopic rod to move, and the 5th stretches
The movement of contracting bar can make two fixed links move the two sides of the tested hydraulic cylinder in vertical state respectively, and then the 5th is flexible
Bar stretching, extension, is inserted into the vertical bar of l-shaped rod in sleeve, thus to vertical tested hydraulic cylinder further progress support, limit
It is fixed, tested hydraulic cylinder run-off the straight is avoided, then the second test hydraulic cylinder contraction makes fixing seat and tested hydraulic cylinder piston
Bar tip contact carries out the test of weight simulation loading.It can be tested through the invention in horizontal addload and when weight simulation test,
Tested hydraulic cylinder is supported, is limited, avoid during the test tested hydraulic cylinder moved because stress is excessive,
Offset causes data inaccurate, while horizontal addload test is located in the same device with weight simulation test, reduces multiple lists
The occupied space of only test device improves space utilization rate, and in testing without by tested hydraulic cylinder from horizontal addload
Test device is moved on weight simulating test device, reduces labor intensity.It can be hydraulic to being tested by limiting set
The piston rod of cylinder, the first piston rod for testing hydraulic cylinder are defined, and avoid the piston of tested hydraulic cylinder during the test
The piston rod of bar and the first test hydraulic cylinder misplaces, and makes test effect more preferably.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is structural schematic diagram of the invention；Fig. 2 is the direction view of the A of Fig. 1；Fig. 3 is the direction view of the B of Fig. 1；Fig. 4 is
The enlarged drawing of the direction view of the C of Fig. 1；Fig. 5 is the direction view of the D of Fig. 1；Fig. 6 is the direction view of the E of Fig. 1.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Engineering machinery hydraulic cylinder dynamic performance integrated test platform, as shown, including the cabinet 1 of front openings, cabinet 1
Bottom end side opens up cavity 2, and 1 bottom end inner wall side of cabinet opens up strip grooves 3, and strip grooves 3 are located above cavity 2, and strip grooves 3
It is not communicated with cavity 2 above cavity 2, the first horizontal telescopic rod 4 is fixedly mounted in 3 side inner wall of strip grooves, and first is flexible
Sliding block 5 is fixedly mounted in the movable boom end of bar 4, and sliding block 5 is located in strip grooves 3, and tested hydraulic cylinder is hingedly installed on 5 top of sliding block
6, the cylinder barrel side of tested hydraulic cylinder 6 opens up the first placing groove 7, and the top inner wall of the first placing groove 7 is fixedly mounted vertical
Sliding shoe 9 is fixedly mounted in the motion bar bottom end of second telescopic rod 8, the second telescopic rod 8, and sliding shoe 9 is located in the first placing groove 7,
The hinged installing connecting rods 10 of the loop bar top margin of first telescopic rod 4, one end of connecting rod 10 and the side of sliding shoe 9 are articulated and connected, and first
Telescopic rod 4 is shunk simultaneously with the second telescopic rod 8, tested hydraulic cylinder 6 can be made gradually to become vertical state from horizontality, together
When connecting rod 10 from horizontality become tilt and tested hydraulic cylinder 6 is supported, 2 top inner wall of cavity opens up two through grooves
11, two through grooves 11 are located at the rear and front end of strip grooves 3, pass through two second guide rods between the two sides inner wall of cavity 2
13 are fixedly connected, and two second guide rods 13 are parallel to each other and are located at the rear and front end of cavity 2, every second guide rod 13
Positioned at 11 lower section of through groove, one group of screw rod group 14 is installed in the two sides of cavity 2 respectively, and two groups of screw rod groups 14 are located at two second and lead
To between bar 13, every group of screw rod group 14 is made of two screw rods, two nuts, and every screw rod and a nut thread cooperate, often
One end of two screw rods in group screw rod group 14 tilts the middle part towards cavity 2, and the top of each nut hingedly installs first
Fixing sleeve 15, cooperation sets that there are two the second fixing sleeves 16 on every second guide rod 13, positioned at two second of 2 the same side of cavity
It is fixedly connected between fixing sleeve 16 by a connecting rod 17, connecting rod 17 is mutually perpendicular to the second guide rod 13, two connections
Bar 17 is parallel to each other, and every connecting rod 17 can be placed through two first fixing sleeves 15 of 2 the same side of cavity, every group of screw rod group 14
In two screw rods and connecting rod 17 form triangular structure, screw rod rotation drives nut to move along screw rod, and band simultaneously
Dynamic connecting rod 17 is mobile, and the first bevel gear 38, cavity 2 is fixedly mounted in one end of two screw rods in every group of screw rod group 14 respectively
Top inner wall opens up the second placing groove 39, and 39 side inner wall of the second placing groove is fixedly mounted the 6th horizontal telescopic rod 40, and the 6th
Movable block 41 is fixedly mounted in the movable boom end of telescopic rod 41, and vertical bar 42, the bottom of vertical bar 42 is fixedly mounted in the bottom end of movable block 41
Dual-axle motor 43 is fixedly mounted in end, the second bevel gear 44 is fixedly mounted respectively on two output shafts of dual-axle motor 43, each
Second bevel gear 44 can engage cooperation with two the first bevel gears 38 in same group of screw rod group 14, and the stretching, extension of the 6th telescopic rod 40 pushes away
Dynamic movable block 41 is mobile to 2 side of cavity, and the second bevel gear 44 is located between two the first bevel gears 38, makes the second bevel gear 44
Engage cooperation with two the first bevel gears 38 in one group of screw rod group 14,43 rotational energy of dual-axle motor drive the second bevel gear 44,
The rotation of first bevel gear 38, and then two screw rods rotation in one group of screw rod group 14 is driven, positioned at two first of 2 front of cavity
15 top activity of fixing sleeve installation has the disk 18 of motor, the direction of rotation of two disks 18 on the contrary, each disk 18 top
Vertical third telescopic rod 19 is fixedly mounted in end, and two third telescopic rods 19 are placed through the through groove 11 in 3 front of strip grooves, are located at
The 4th vertical telescopic rod 20 is fixedly mounted in two 15 tops of the first fixing sleeve at 2 rear of cavity, and two the 4th telescopic rods 20 are worn
The through groove 11 positioned at 3 rear of strip grooves is crossed, horizon bar 21 is fixedly mounted in every 19 motion bar top of third telescopic rod, and third is flexible
The motion bar of bar 19 is located at bottom edge one end of horizon bar 21, and fixed block is fixedly mounted in every 4th telescopic rod, 20 motion bar top
22, the phase backside of two pieces of fixed blocks 22 does not open up square groove 23 respectively, and the front end of square groove 23 communicates with the outside world, every horizon bar
21 other end can be inserted into a corresponding square groove 23, and the rotation of disk 18 drives third telescopic rod 19 to rotate, and then band
Dynamic horizon bar 21 rotates, and is inserted into horizon bar 21 in square groove 23, square groove 23 is supported horizon bar 21,1 bottom of cabinet
Hold the inner wall other side that the first test hydraulic cylinder is fixedly mounted, first tests hydraulic cylinder direction of extension towards strip grooves 3,1 bottom of cabinet
End inner wall opens up the sliding slot 24 that section is T-type, and cooperation is equipped with the movable block 25 that section is T-type, 25 top of movable block in sliding slot 24
The restriction set 26 of both ends open, the equal energy of piston rod of the piston rod of tested hydraulic cylinder 6 and the first test hydraulic cylinder is fixedly mounted
It is inserted into restriction set 26, limits set 26 when horizontal addload is tested, piston rod and the first test fluid to tested hydraulic cylinder
The piston rod of cylinder pressure is defined, and avoids misplacing because extruding force is excessive, causes test data inaccurate, 1 bottom end of cabinet
Inner wall is fixedly mounted four the second vertical test hydraulic cylinders 27, and four second test hydraulic cylinders 27 are in rectangular arranged, and four pieces the
It is fixedly connected between two test 27 tops of hydraulic cylinder by one piece of fixing seat 28,28 bottom surface side of fixing seat opens up two and mutually puts down
Capable groove 29, two grooves 29 are located at the rear and front end of tested hydraulic cylinder 6, and groove 29 is parallel to each other with strip grooves 3, and every
Two sides inner wall passes through bearing activity installation screw rod 30, the phase of two screw rods 30 in same groove 29 respectively in groove 29
It is fixedly connected between opposite end by link block, a wherein screw rod 30 for two in same groove 29 piece screw rod 30 has
Motor, two 30 screw threads of screw rod in same groove 29 are on the contrary, two screw rods 30 being located in same groove 29 divide
It is not located in the two sides of the tested hydraulic cylinder 6 of vertical state, the every cooperation of screw rod 30 is equipped with screw 31, each screw 31
The 5th vertical telescopic rod 32 is fixedly mounted in bottom end, leads between two 32 bottom ends of the 5th telescopic rod of 28 the same side of fixing seat
It crosses a horizontal fixed link 33 to be fixedly connected, fixed link 33 is mutually perpendicular to the 5th telescopic rod 32, before every fixed link 33
L-shaped rod 34 is fixedly mounted in both ends respectively afterwards, and the vertical bar of every l-shaped rod 34 is located between two fixed links 33, is tested hydraulic
The sleeve 35 of top end opening is fixedly mounted in both sides respectively before and after the cylinder barrel of cylinder 6, two L-types positioned at 29 lower section of same groove
The vertical bar of bar 34 can be inserted into a sleeve 35.Tested hydraulic cylinder 6 is when in a horizontal state, i.e., horizontal addload is tested
When, the stretching, extension of tested hydraulic cylinder 6 is inserted into piston rod in restriction set 26, while the piston rod stretching, extension of the first test hydraulic cylinder is simultaneously
It is also inserted into limiting in set 26, then the 6th telescopic rod 40 stretches, and pushes movable block 41 mobile to 1 side of cavity, movable block 41
It is fixedly connected with vertical bar 42, vertical bar 42 is fixedly connected with dual-axle motor 43, and 41 movement of movable block can drive vertical bar 42, twin shaft electricity
Machine 43 is mobile, and the second bevel gear 44 is made to engage cooperation, twin shaft electricity with two the first bevel gears 38 in wherein one group of screw rod group 14
The work of machine 43 drives the second bevel gear 44, the rotation of the first bevel gear 38, and the first bevel gear 38 is fixedly connected with screw rod, and then can be with
Rotate two screw rods in one group of screw rod group 14, every screw rod and a nut thread cooperate, nut and the first fixing sleeve 15
Articulated connection, connecting rod 17 passes through two the first fixing sleeves 15, and connecting rod 17 is fixedly connected with the second fixing sleeve 16, screw rod rotation
Turn that nut can be made to drive the first fixing sleeve 15 mobile to the middle part of cavity 2, the first fixing sleeve 15 is mobile to drive connecting rod 17, the
Two fixing sleeves 16 are mobile, and the second fixing sleeve 16 is fixedly connected with third telescopic rod 19, and third telescopic rod 19 makes the across through groove 11
Three telescopic rods 19 are moved along through groove 11, are moved to third telescopic rod 19 within the scope of the cylinder barrel of tested hydraulic cylinder 6, while third
Telescopic rod 19 stretches 6 top of tested hydraulic cylinder for making horizon bar 21 be located in horizontality, and the then rotation of disk 18 drives
One of third telescopic rod 19 rotates, and rotates horizon bar 21 to 22 direction of fixed block, and inserts the other end of horizon bar 21
Enter to square groove 23, then third telescopic rod 19 is shunk, and contacts horizon bar 21 with the cylinder barrel of tested hydraulic cylinder and to cylinder
Cylinder is pressed downwards, is defined to the cylinder barrel of tested hydraulic cylinder, and similarly the 6th telescopic rod 40 is shunk, make the second bevel gear 44 and
In another group of screw rod group 14 two the first bevel gears 38 engagement, make other two third telescopic rods 19 be moved to be tested it is hydraulic
After within the scope of the piston rod of cylinder, makes the plunger rod contacts of horizon bar 21 and tested hydraulic cylinder and piston rod is defined, so
Horizontal addload test is carried out afterwards；After horizontal addload is tested, when needing to carry out the test of weight simulation loading, the first telescopic rod 4
It shrinks, band movable slider 5 is mobile to 4 direction of the first telescopic rod, while the second telescopic rod 8 shrinks and drives sliding shoe 9 flexible to second
8 direction of bar is mobile, and passes through the articulated connection of connecting rod 10 between sliding shoe 9 and the first telescopic rod 4, can make tested hydraulic cylinder
6 gradually become vertical state, until tested hydraulic cylinder 6 becomes vertical state, then the screw rod 30 with motor rotates, and position
In two 30 screw threads of screw rod in same groove 19 on the contrary, two screws 31 being located in same groove 29 can be made opposite
Mobile, screw 31 is fixedly connected with the 5th telescopic rod 32, and screw 31 can drive the 5th telescopic rod 32 mobile, the 5th telescopic rod 32
Movement can make two fixed links 33 move the two sides of the tested hydraulic cylinder in vertical state respectively, then the 5th telescopic rod
32 stretching, extensions, are inserted into the vertical bar of l-shaped rod 34 in sleeve 35, thus to vertical 6 further progress branch of tested hydraulic cylinder
It supports, limit, avoid 6 run-off the straight of tested hydraulic cylinder, then the second test contraction of hydraulic cylinder 27 makes fixing seat 28 and is tested
The contact of 6 piston rod top end of hydraulic cylinder, carries out the test of weight simulation loading.It through the invention can be in horizontal addload test and weight
When simulation test, tested hydraulic cylinder 6 is supported, is limited, avoid during the test tested hydraulic cylinder because of stress mistake
It moves, deviate greatly, cause data inaccurate, while horizontal addload test is located at the same device with weight simulation test
It is interior, the occupied space of multiple independent test devices is reduced, space utilization rate is improved, and is hydraulic without that will be tested in testing
Cylinder is moved on weight simulating test device from horizontal addload test device, reduces labor intensity.It can by limiting set 26
It is defined with the piston rod of piston rod, the first test hydraulic cylinder to tested hydraulic cylinder 6, avoids being tested during the test
The piston rod of test solution cylinder pressure 6 and the piston rod of the first test hydraulic cylinder misplace, and make test effect more preferably.
Specifically, solid by a first horizontal guide rod 12 between 2 two sides inner wall of cavity described in the present embodiment
Fixed connection, the first guide rod 12 are located at 2 bottom end of cavity, and the first guide rod 12 is located between two second guide rods 13, and first leads
Cooperation is set there are two guide sleeve 36 on bar 12, and two guide sleeves 36 are located at the two sides of the first guide rod 12, each guiding
It covers 36 tops and third fixing sleeve 37 is fixedly mounted, every connecting rod 17 can pass through a third fixing sleeve 37.Connecting rod 17 is being moved
In dynamic, it is fixedly connected by the first guide rod 12 with the cooperation of guide sleeve 36, guide sleeve 36 with third fixing sleeve 37, can makes to connect
Extension bar 17 is on the move more stable, and stress is more uniform, limits 17 energy further progress of connecting rod, connecting rod 17 is avoided to send out
Raw offset.
Specifically, solid by several springs 45 between 1 top inner wall of 28 top of fixing seat described in the present embodiment and cabinet
Fixed connection.It is connected between 1 top inner wall of fixing seat 28 and cabinet by spring 45, when can be moved up to avoid fixing seat 28,
It collides with cabinet 1, fixing seat 28 is prevented to be damaged with cabinet 1.
Further, inclined support rod is fixedly mounted in a side of the second test hydraulic cylinder 27 described in the present embodiment
46, the bottom end of support rod 46 is fixedly connected with the bottom end inner wall of cabinet 1.In every second test hydraulic cylinder 27 and 1 bottom end of cabinet
It is fixedly connected between wall by support rod 46, so that the second test hydraulic cylinder 27 is kept vertical state, and keep its connection stronger,
Structure is more stable.
Further, the material of connecting rod 10 described in the present embodiment is steel material.The connecting rod 10 of steel material makes
It is not easy to be broken off in, makes the supporting role of connecting rod 10 more preferably.
Further, the material of horizon bar 21 described in the present embodiment is steel material.Horizon bar 21 when in use with
Tested hydraulic cylinder 6 is contacted and is defined to tested hydraulic cylinder 6, and the horizon bar 21 of steel material is in use using effect
Fruit is more preferable, and service life is longer.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (6)
1. engineering machinery hydraulic cylinder dynamic performance integrated test platform, it is characterised in that: the cabinet (1) including front openings, case
Body (1) bottom end side opens up cavity (2), and cabinet (1) bottom end inner wall side opens up strip grooves (3), and strip grooves (3) are located at cavity
(2) horizontal the first telescopic rod (4), the movable rod end of the first telescopic rod (4) is fixedly mounted in top, strip grooves (3) side inner wall
Sliding block (5) are fixedly mounted in portion, and sliding block (5) is located in strip grooves (3), and tested hydraulic cylinder (6) are hingedly installed on sliding block (5) top,
The cylinder barrel side of tested hydraulic cylinder (6) opens up the first placing groove (7), and the top inner wall of the first placing groove (7) is fixedly mounted perpendicular
To the second telescopic rod (8), sliding shoe (9) are fixedly mounted in the motion bar bottom end of the second telescopic rod (8), and sliding shoe (9) is located at the
One placing groove (7) is interior, the hinged installing connecting rods of loop bar top margin (10) of the first telescopic rod (4), one end of connecting rod (10) and sliding shoe
(9) side articulated connection, cavity (2) top inner wall open up two through grooves (11), and two through grooves (11) are located at strip grooves
(3) rear and front end is fixedly connected between the two sides inner wall of cavity (2) by two second guide rods (13), and two second are led
It is parallel to each other to bar (13) and is located at the rear and front end of cavity (2), every second guide rod (13) is located at a through groove
(11) one group of screw rod group (14) is installed in lower section, the two sides of cavity (2) respectively, and two groups of screw rod groups (14) are located at two second guide rods
(13) between, every group of screw rod group (14) is made of two screw rods, two nuts, and every screw rod and a nut thread cooperate, often
One end of two screw rods in group screw rod group (14) tilts the middle part towards cavity (2), and the top of each nut is hingedly installed
First fixing sleeve (15), cooperation is set there are two the second fixing sleeve (16) on every second guide rod (13), and it is same to be located at cavity (2)
It is fixedly connected between two the second fixing sleeves (16) of side by a connecting rod (17), connecting rod (17) and the second guide rod
(13) it is mutually perpendicular to, two connecting rods (17) are parallel to each other, and every connecting rod (17) can be placed through the two of cavity (2) the same side
The first bevel gear is fixedly mounted in one end of a first fixing sleeve (15), two screw rods in every group of screw rod group (14) respectively
(38), cavity (2) top inner wall opens up the second placing groove (39), and the second placing groove (39) side inner wall is fixedly mounted horizontal the
Movable block (41) are fixedly mounted in the movable boom end of six telescopic rods (40), the 6th telescopic rod (41), and the bottom end of movable block (41) is solid
Dingan County fills vertical bar (42), and dual-axle motor (43) are fixedly mounted in the bottom end of vertical bar (42), on two output shafts of dual-axle motor (43)
It is fixedly mounted respectively the second bevel gear (44), each second bevel gear (44) can be with two in same group of screw rod group (14)
One bevel gear (38) engagement cooperation is located at two the first fixing sleeve (15) top activities installation in front of cavity (2) and has motor
Disk (18), the direction of rotation of two disks (18) is on the contrary, vertical third is fixedly mounted in the top of each disk (18) stretches
Contracting bar (19), two third telescopic rods (19) are placed through the through groove (11) in front of strip grooves (3), are located at cavity (2) rear
The 4th vertical telescopic rod (20) is fixedly mounted in two the first fixing sleeve (15) tops, and two the 4th telescopic rods (20) are placed through
Horizon bar (21) are fixedly mounted in the through groove (11) at strip grooves (3) rear, every third telescopic rod (19) motion bar top, and third is stretched
The motion bar of contracting bar (19) is located at bottom edge one end of horizon bar (21), and every 4th telescopic rod (20) motion bar top is fixedly mounted
Fixed block (22), the phase backside of two pieces of fixed blocks (22) do not open up respectively square groove (23), the front end and the external world of square groove (23)
It communicates, the other end of every horizon bar (21) can be inserted into a corresponding square groove (23), and cabinet (1) bottom end inner wall is another
The first test hydraulic cylinder is fixedly mounted in side, and first tests hydraulic cylinder direction of extension towards strip grooves (3), cabinet (1) bottom end inner wall
The sliding slot (24) that section is T-type is opened up, cooperation is equipped with the movable block (25) that section is T-type, movable block (25) top in sliding slot (24)
The restriction set (26) of both ends open, the piston of the piston rod of tested hydraulic cylinder (6) and the first test hydraulic cylinder is fixedly mounted in end
Bar can be inserted into restriction set (26), and four the second vertical tests hydraulic cylinder (27) are fixedly mounted in cabinet (1) bottom end inner wall,
Four second test hydraulic cylinders (27) are in rectangular arranged, pass through one piece of fixing seat between four second test hydraulic cylinder (27) tops
(28) it is fixedly connected, fixing seat (28) bottom surface side opens up two grooves being parallel to each other (29), and two grooves (29) are located at quilt
The rear and front end of hydraulic cylinder (6) is tested, groove (29) is parallel to each other with strip grooves (3), every interior two sides inner wall of groove (29) point
Not Tong Guo bearing activity installation screw rod (30), be located at same groove (29) in two screw rods (30) opposite end between pass through
Link block is fixedly connected, and the wherein screw rod (30) for being located at two screw rods (30) in same groove (29) has motor,
Two screw rod (30) screw threads in same groove (29) are on the contrary, every screw rod (30) cooperation is equipped with screw (31), each
The 5th vertical telescopic rod (32) is fixedly mounted in the bottom end of screw (31), and two the 5th for being located at fixing seat (28) the same side are flexible
It is fixedly connected between bar (32) bottom end by a horizontal fixed link (33), fixed link (33) and the 5th telescopic rod (32) are mutual
Vertically, the rear and front end of every fixed link (33) is fixedly mounted l-shaped rod (34) respectively, and the vertical bar of every l-shaped rod (34) is located at
Between two fixed links (33), the sleeve of top end opening is fixedly mounted in both sides respectively before and after the cylinder barrel of tested hydraulic cylinder (6)
(35), the vertical bar for being located at two l-shaped rods (34) below same groove (29) can be inserted into a sleeve (35).
2. engineering machinery hydraulic cylinder dynamic performance integrated test platform according to claim 1, it is characterised in that: described
It is fixedly connected between the inner wall of cavity (2) two sides by horizontal first guide rod (12), the first guide rod (12) is located at chamber
Body (2) bottom end, the first guide rod (12) are located between two second guide rods (13), and cooperation is equipped with two on the first guide rod (12)
A guide sleeve (36), two guide sleeves (36) are located at the two sides of the first guide rod (12), and each guide sleeve (36) top is solid
Dingan County fills third fixing sleeve (37), and every connecting rod (17) can pass through a third fixing sleeve (37).
3. engineering machinery hydraulic cylinder dynamic performance integrated test platform according to claim 1, it is characterised in that: described
It is fixedly connected between fixing seat (28) top and cabinet (1) top inner wall by several springs (45).
4. engineering machinery hydraulic cylinder dynamic performance integrated test platform according to claim 1, it is characterised in that: described
A side of second test hydraulic cylinder (27) is fixedly mounted inclined support rod (46), the bottom end of support rod (46) and cabinet
(1) bottom end inner wall is fixedly connected.
5. engineering machinery hydraulic cylinder dynamic performance integrated test platform according to claim 1, it is characterised in that: described
The material of connecting rod (10) is steel material.
6. engineering machinery hydraulic cylinder dynamic performance integrated test platform according to claim 1, it is characterised in that: described
The material of horizon bar (21) is steel material.
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| CN201810940609.5A CN109026903B (en) | 2018-08-17 | 2018-08-17 | Comprehensive test platform for dynamic performance of hydraulic cylinder of engineering machinery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810940609.5A CN109026903B (en) | 2018-08-17 | 2018-08-17 | Comprehensive test platform for dynamic performance of hydraulic cylinder of engineering machinery |
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| CN109026903B CN109026903B (en) | 2020-08-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580269A (en) * | 2018-12-27 | 2019-04-05 | 杭州恒宏机械有限公司 | Horizontal jack test device |
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| CN203081904U (en) * | 2012-12-19 | 2013-07-24 | 天津工程机械研究院 | Hydraulic cylinder testing bed |
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| Publication number | Publication date |
|---|---|
| CN109026903B (en) | 2020-08-04 |
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Effective date of registration: 20200708 Address after: 410000 Hunan North Changsha high tech Development Zone, 627 Luoyang Road, Changhai Holding Group Office R & D building, North first floor. Applicant after: HUNAN YINENG ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 411100 Hunan Province, Xiangtan City Yuhu fools Tong Street Xiangtan University Applicant before: Zhang Xiaoteng |
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