CN205981675U - Hydraulic motor inertia loading test device - Google Patents
Hydraulic motor inertia loading test device Download PDFInfo
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- CN205981675U CN205981675U CN201620460257.XU CN201620460257U CN205981675U CN 205981675 U CN205981675 U CN 205981675U CN 201620460257 U CN201620460257 U CN 201620460257U CN 205981675 U CN205981675 U CN 205981675U
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- bearing
- hydraulic motor
- platform
- power transmission
- transmission shaft
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Abstract
The utility model discloses a hydraulic motor inertia loading test device, a serial communication port, including the platform, have in platform bottom welding and place the pillar that is used for supporting platform on ground, the platform below is connected with the gyration and supports, is equipped with on the platform by examination hydraulic motor reducer assembly and speed reducer, is connected with the load -on module on the speed reducer. The utility model discloses reverse utilization to the speed reducer characteristic: through increasing the square to being slowed down by the applied speed reducer of examination hydraulic motor, through speed reducer repercussion acceleration rate the square falls again, conduct at last to the load -on module for load -on module quality and size can the lightweights, be convenient for overall arrangement and processing, simultaneously, the quality of load -on module is adjustable, that is corresponding load is adjustable, makes things convenient for accelerated test's design and adjustment.
Description
Technical field
This utility model is related to a kind of hydraulic motor inertia load testing machine, belongs to hydraulic motor accelerating experiment technology neck
Domain.
Background technology
Plunger hydraulic motor is easy to, because it possesses compact conformation, energy density height and small volume, the advantages of arrange, extensively
General be applied to various engineering machinery, building machinery, such as, above full hydraulic crawler excavator, its walking mechanism and revolution dress
Put exactly to be driven by hydraulic motor decelerator assembly.Wherein, during excavator operation, excavation → revolution → discharging → revolution
(opposite direction) → excavate constitutes a cycle of operation, every time during revolution operation, due to the inertia of excavator, starts and stops
Moment, the shock loading of positive and negative both direction can be produced, cause for driving the hydraulic motor decelerator of excavator revolution total
Become, in a cycle of operation, bear the shock loading of 4 positive and negative both directions, operating mode very severe, if friction pair
Material selection is improper or static balance design is improper, easily causes the inordinate wear of motor inner body, the longevity of impact motor
Life.Therefore, in the motor design phase, how accurately and rapidly to verify whether hydraulic motor meets the service life of corresponding operating mode
It is particularly important.
Content of the invention
The technical problems to be solved in the utility model is：Accurately and rapidly hydraulic motor inertia adds to provide a kind of checking
Carry assay device, solve the problems, such as how accurately and rapidly to verify whether hydraulic motor meets the service life of corresponding operating mode.
In order to solve above-mentioned technical problem, the technical solution of the utility model there is provided a kind of hydraulic motor inertia and loads
Assay device, it is characterised in that including platform, is welded with, in mesa base, the pillar being placed on ground for support platform, puts down
It is connected with revolving support, platform is provided with tested hydraulic motor decelerator assembly and reductor, and reductor is connected with below platform
Load-on module.
Preferably, four pillars are provided with four angles of described platform, four pillars are contour.
Preferably, described platform is provided with three groups of bolt through-holes altogether, is respectively used to revolving support, tested hydraulic pressure are installed
Motor reducer assembly and reductor and load-on module.
Preferably, described revolving support includes terminal pad, ring gear, and terminal pad is fixed on below platform, terminal pad and
Raceway is respectively arranged with ring gear, the steel ball that ring gear passes through in raceway is connected with terminal pad, and ring gear bottom is provided with chassis.
Preferably, the output gear of described tested hydraulic motor decelerator assembly is nibbled through platform with ring gear
Close, reductor output gear is engaged through platform with ring gear.
Preferably, described load-on module includes bearing block, and bearing block is provided with inner stopper, male half coupling, and bearing block leads to
Cross inner stopper on reductor composition surface, bearing block is connected with bearing cap by male half coupling, shape between bearing cap and bearing block
Become a cavity volume, be provided with cavity volume with bearing inner race to the top clutch shaft bearing of form and second bearing, clutch shaft bearing and the second axle
The inner ring holding is provided with power transmission shaft, and one end of power transmission shaft is connected with reductor, and the other end of power transmission shaft passes through clutch shaft bearing and second
The bearing inner race of bearing is connected with loading disc.
Preferably, described power transmission shaft is respectively equipped with the first spline, the second spline, the first cylinder, the second cylinder and
Three cylinders, the second spline of power transmission shaft bottom is connected with reductor, and first spline at middle part is connected with loading disc；On power transmission shaft
First cylinder is connected with the bearing inner race coupling of clutch shaft bearing and second bearing respectively, and the inner ring location and installation of clutch shaft bearing is passing
On the shaft shoulder of moving axis, the second cylinder on power transmission shaft is connected with inner hole of shaft sleeve coupling, the 3rd cylinder on power transmission shaft and connecting plate
Endoporus coupling connects.
Preferably, described connecting plate is connected with described loading disc inner stopper coupling by its male half coupling, outside described axle sleeve
Circle is connected with described loading disc bottom seam coupling, and described axle sleeve and described connecting plate common guarantee loading disc are arranged on described biography
Concentricity on moving axis.
Preferably, described loading disc is provided with seam.
Preferably, described bearing cap is provided with plug screw, inner stopper and bolt through-hole, clutch shaft bearing and second bearing are equal
For taper roll bearing.
The utility model proposes a kind of imitate hydraulic crawler excavator revolution working condition, hydraulic motor decelerator assembly is entered
Row inertia loads the scheme of acceleration test, and accurately and rapidly whether checking hydraulic motor meets the use longevity of corresponding operating mode
Life.
The reverse utilization to reductor characteristic for this utility model：By slowing down to tested hydraulic motor application reductor
Increase square, drop square further through reductor repercussion speedup, finally conduct to load-on module so that load-on module quality and size are able to gently
Quantify, be easy to layout and processing；Meanwhile, the quality of load-on module is adjustable, that is, corresponding load adjustable, facilitates accelerated test
Design and adjustment.
Brief description
Fig. 1 is a kind of top view of hydraulic motor inertia load testing machine；
Fig. 2 is a kind of front view of hydraulic motor inertia load testing machine；
Fig. 3 is the partial enlarged drawing in A portion in Fig. 2；
Fig. 4 is the detailed figure of load-on module.
Specific embodiment
For making this utility model become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
This utility model is a kind of hydraulic motor inertia load testing machine, and as depicted in figs. 1 and 2, platform 2 is pros
Shape, is respectively welded a pillar 1 in its four edges, platform 2 is provided with three groups of bolt through-holes altogether, is respectively used to install
Revolving support 3, tested hydraulic motor decelerator assembly 6 and load-on module 5.Four pillars 1 are separately positioned on four angles of platform 2
On, four pillars 1 are contour, are placed on ground for support platform 2；Revolving support 3 is connected under platform 2 by the second bolt B 2
Side, revolving support 3 comprises terminal pad 304, ring gear 302, steel ball 303 and 301 4 kinds of chassis part, as shown in Figure 3.Wherein,
Terminal pad 304 is fastened on below platform 2 by the second bolt B 2, and terminal pad 304 and ring gear 302 are respectively arranged with rolling
Road, the steel ball 303 that ring gear 302 passes through in raceway is installed together with terminal pad 304, and wherein, steel ball 303 has 97；Chassis
301 are arranged on ring gear 302 bottom by the 3rd bolt B 3.Whole revolving support is equivalent to a large-scale deep groove ball bearing,
Chassis 301 and ring gear 302 are equivalent to bearing inner race, and steel ball 303 is equivalent to bearing roller, and terminal pad 304 is equivalent to outside bearing
Circle, chassis 301 and ring gear 302 rotate with respect to terminal pad 304 around its center；Tested hydraulic motor decelerator assembly
6 are connected to above platform 2 by the first bolt B 1, the output gear of tested hydraulic motor decelerator assembly 6 pass through platform 2 with interior
Gear ring 302 is engaged；Reductor 4 is connected to above platform 2 by the first bolt B 1, and reductor 4 output gear passes through platform 2
It is engaged with ring gear 302；Load-on module 5 is connected to above reductor 4 by the 4th bolt 501, as shown in figure 4, loading
Module 5 comprises the 4th bolt 501, the 5th bolt 502, loading disc 503, plug screw 504, connecting plate 505, power transmission shaft 506, the 6th spiral shell
Bolt 507, axle sleeve 508, clutch shaft bearing 509, bearing cap 510, bearing block 511 and second bearing 512 totally ten two kinds of parts, bearing block
It is respectively arranged with inner stopper, male half coupling, one group of bolt through-hole and one group of screwed hole, bearing block 511 passes through inner stopper and the on 511
Four bolts 501 are arranged on reductor 4 composition surface, and bearing cap 510 passes through male half coupling and the 5th bolt 502 is arranged on bearing block
On 511, bearing cap 510 is provided with plug screw 504, inner stopper and bolt through-hole, after bearing cap 510 is installed with bearing block 511, two
Form a cavity volume, clutch shaft bearing 509 and second bearing 512 are installed in cavity volume to top form with bearing inner race between person；The
One bearing 509 and second bearing 512 are taper roll bearing, and bearing inner race is provided with power transmission shaft 506, and power transmission shaft 506 divides
It is not provided with the first spline S1, the second spline S2, the first cylinder CY1, the second cylinder CY2 and the 3rd cylinder CY3, power transmission shaft 506
Second spline S2 of bottom is connected with reductor 4, and the first spline S1 at middle part is connected with loading disc 503；On power transmission shaft 506
One cylinder CY1 and the bearing inner race Matching installation of clutch shaft bearing 509 and second bearing 512, the inner ring positioning peace of clutch shaft bearing 509
It is contained on the shaft shoulder of power transmission shaft 506, the second cylinder CY2 on power transmission shaft 506 and axle sleeve 508 endoporus Matching installation, power transmission shaft 506
On the 3rd cylinder CY3 and connecting plate 505 endoporus Matching installation.
Connecting plate 505 is mated with loading disc 503 inner stopper by its male half coupling, and is connected by the 6th bolt 507
Together, axle sleeve 508 is cylindrical is mated with loading disc 503 bottom seam, axle sleeve 508 and connecting plate 505 common guarantee loading disc 503
It is arranged on the concentricity on power transmission shaft 506, it is to avoid loading disc 503 produces violent shake when high-speed rotation；Loading disc 503
On be provided with seam, can according to accelerated test demand, adjust superposition loading disc 503 quality.
Operation principle of the present utility model is as follows：
Tested hydraulic motor decelerator assembly 6, load-on module 5 and reductor 4 connect as shown in Figure 1 and Figure 2 and are arranged on platform
After above 2, A mouth (or the B mouth) input hydraulic pressure to tested hydraulic motor decelerator assembly 6 is oily, and hydraulic motor is in the drive of hydraulic energy
Dynamic infralevoversion (or right-hand rotation), drives the output shaft rotation of tested hydraulic motor decelerator assembly 6, due to this output shaft and ring gear
302 engagements, thus drive ring gear 302 to rotate；Meanwhile, the output shaft of reductor 4 is also engaged with ring gear 302, rotation interior
Gear ring 302 then drives the output shaft rotation of reductor 4, that is, drives reductor 4 to operate, then drives loading by power transmission shaft 506
Disk 503 rotates.By above movement conduction, loading disc 503 provides load to tested hydraulic motor decelerator assembly 6, in motion
The just moment of beginning and end, because the inertia of loading disc 503 is so that tested hydraulic motor decelerator assembly 6 is rushed twice
Hit load, thus complete simulates excavator operating mode when turning round operation.
Claims (9)
1. a kind of hydraulic motor inertia load testing machine, it is characterised in that including platform (2), has in platform (2) bottom welding
It is placed on ground for the pillar (1) of support platform (2), be connected with revolving support (3) below platform (2), platform (2) is provided with
Tested hydraulic motor decelerator assembly (6) and reductor (4), reductor (4) is connected with load-on module (5), described loading
Module (5) includes bearing block (511), and bearing block (511) is provided with inner stopper, male half coupling, and bearing block (511) passes through inner stopper
On reductor (4) composition surface, bearing block (511) is connected with bearing cap (510) by male half coupling, bearing cap (510) and axle
Form a cavity volume between bearing (511), be provided with cavity volume with bearing inner race to the top clutch shaft bearing (509) of form and the second axle
Hold (512), the inner ring of clutch shaft bearing (509) and second bearing (512) is provided with power transmission shaft (506), one end of power transmission shaft (506) with
Reductor (4) connects, the other end of power transmission shaft (506) pass through clutch shaft bearing (509) and second bearing (512) bearing inner race and
Loading disc (503) connects.
2. as claimed in claim 1 a kind of hydraulic motor inertia load testing machine it is characterised in that in described platform
(2) four angles are provided with four pillars (1), and four pillars (1) are contour.
3. as claimed in claim 1 a kind of hydraulic motor inertia load testing machine it is characterised in that described platform (2)
On be provided with three groups of bolt through-holes altogether, be respectively used to revolving support (3), tested hydraulic motor decelerator assembly (6) and subtracting are installed
Fast machine (4) and load-on module (5).
4. as claimed in claim 1 a kind of hydraulic motor inertia load testing machine it is characterised in that described revolving support
(3) terminal pad (304), ring gear (302) are included, terminal pad (304) is fixed on below platform (2), terminal pad (304) and internal tooth
It is respectively arranged with raceway, the steel ball (303) that ring gear (302) passes through in raceway is connected with terminal pad (304), interior on circle (302)
Gear ring (302) bottom is provided with chassis (301).
5. as claimed in claim 4 a kind of hydraulic motor inertia load testing machine it is characterised in that described tested hydraulic pressure
The output gear of motor reducer assembly (6) is engaged through platform (2) with ring gear (302), reductor (4) output gear
It is engaged through platform (2) with ring gear (302).
6. as claimed in claim 1 a kind of hydraulic motor inertia load testing machine it is characterised in that described power transmission shaft
(506) it is respectively equipped with the first spline (S1), the second spline (S2), the first cylinder (CY1), the second cylinder (CY2) and the 3rd post on
Body (CY3), second spline (S2) of power transmission shaft (506) bottom is connected with reductor (4), first spline (S1) at middle part with load
Disk (503) connects；The first cylinder (CY1) on power transmission shaft (506) respectively with clutch shaft bearing (509) and second bearing (512)
Bearing inner race coupling connect, the inner ring location and installation of clutch shaft bearing (509) on the shaft shoulder of power transmission shaft (506), power transmission shaft (506)
On the second cylinder (CY2) and axle sleeve (508) endoporus coupling be connected, the 3rd cylinder (CY3) on power transmission shaft (506) be connected
Plate (505) endoporus coupling connects.
7. as claimed in claim 6 a kind of hydraulic motor inertia load testing machine it is characterised in that described connecting plate
(505) pass through its male half coupling and described loading disc (503) inner stopper coupling to be connected, described axle sleeve (508) is cylindrical and described loading
Disk (503) bottom seam coupling connects, and described axle sleeve (508) is installed with described connecting plate (505) common guarantee loading disc (503)
Concentricity on described power transmission shaft (506).
8. a kind of hydraulic motor inertia load testing machine as claimed in claims 6 or 7 is it is characterised in that described loading
Disk is provided with seam on (503).
9. as claimed in claim 1 a kind of hydraulic motor inertia load testing machine it is characterised in that described bearing cap
(510) it is provided with plug screw (504), inner stopper and bolt through-hole on, clutch shaft bearing (509) and second bearing (512) are circular cone
Roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620460257.XU CN205981675U (en) | 2016-05-19 | 2016-05-19 | Hydraulic motor inertia loading test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620460257.XU CN205981675U (en) | 2016-05-19 | 2016-05-19 | Hydraulic motor inertia loading test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205981675U true CN205981675U (en) | 2017-02-22 |
Family
ID=58019552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620460257.XU Active CN205981675U (en) | 2016-05-19 | 2016-05-19 | Hydraulic motor inertia loading test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205981675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823633A (en) * | 2016-05-19 | 2016-08-03 | 龙工（上海）精工液压有限公司 | Hydraulic motor inertia loading test device |
| CN111397900A (en) * | 2020-05-06 | 2020-07-10 | 贵州航天林泉电机有限公司 | Bearing life accelerated test device |
-
2016
- 2016-05-19 CN CN201620460257.XU patent/CN205981675U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823633A (en) * | 2016-05-19 | 2016-08-03 | 龙工（上海）精工液压有限公司 | Hydraulic motor inertia loading test device |
| CN111397900A (en) * | 2020-05-06 | 2020-07-10 | 贵州航天林泉电机有限公司 | Bearing life accelerated test device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |