CN207066880U - Axial loading device - Google Patents
Axial loading device Download PDFInfo
- Publication number
- CN207066880U CN207066880U CN201720948569.XU CN201720948569U CN207066880U CN 207066880 U CN207066880 U CN 207066880U CN 201720948569 U CN201720948569 U CN 201720948569U CN 207066880 U CN207066880 U CN 207066880U
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- China
- Prior art keywords
- load
- loading
- guide shaft
- disc spring
- cylinder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
It the utility model is related to a kind of axial loading device, including frame, loading axis and load maintainer, load maintainer includes loading motor, load lead screw pair, spring buffer loads cylinder and load sliding block, the both lateral sides of load sliding block are provided with guide holder, guide pillar is provided with frame, load sliding shoe is matched with guide pillar through guide holder slide-and-guide, load the both sides guide holder centre position of lead screw pair and spring buffer loading cylinder on load sliding shoe, loading lead screw pair and spring buffer loading cylinder are arranged along the longitudinal direction, load loading leading screw and loading nut that lead screw pair includes cooperating, the motor shaft of loading motor is connected with loading lead screw transmission, loading nut is fixedly installed on load sliding block, the load input of spring buffer loading cylinder is connected with load sliding block, the load output end of spring buffer loading cylinder and loading axis connection.With load it is big, compact-sized and stable and reliable in work the advantages of.
Description
Technical field
Mechanical load equipment technical field is the utility model is related to, definite is axial loading device.
Background technology
In Bearing testing equipment, to cause testing result more accurately and reliably, it usually needs set loading device to treating
Survey bearing and apply load to simulate the actual condition of bearing to be measured.Existing axial loading device structure design is unreasonable, has
The defects of structure is not compact, loading force is small, poor work stability.
The content of the invention
The present utility model purpose：The defects of to overcome prior art to exist, the utility model provide a kind of load it is big,
Compact-sized and stable and reliable in work axial loading device.
To achieve the above object, the utility model provides following technical scheme：
A kind of axial loading device, including frame, loading axis and load maintainer in frame, it is characterised in that：
Described load maintainer includes loading motor, loading lead screw pair, spring buffer loading cylinder and load sliding block, the horizontal stroke of load sliding block
Guide holder is provided with to both sides, guide pillar is provided with frame, load sliding shoe is matched with guide pillar through guide holder slide-and-guide, loading
The both sides guide holder centre position of lead screw pair and spring buffer loading cylinder on load sliding shoe, loads lead screw pair and spring
Buffering loading cylinder arranges that loading lead screw pair includes the loading leading screw to cooperate and loading nut, the loading along the longitudinal direction
The motor shaft of motor is connected with loading lead screw transmission, and loading nut is fixedly installed on load sliding block, spring buffer loading cylinder
Load input is connected with load sliding block, load output end and the loading axis connection of spring buffer loading cylinder.
By using above-mentioned technical proposal, loading motor is slided through loading lead screw pair driving load sliding block lifting carriage, load
On block it is buffered loading cylinder to loading axis apply load output, the installation of load sliding shoe and with loading lead screw pair, spring
The position for buffering loading cylinder is set, and is guaranteed output and is exported stabilization compared with big load and load, realizes that driving adds through loading lead screw pair
Carry, have stable load reliable and the advantages of loading force is big.
Preferably, described buffer loads the stator bore that cylinder includes being fixed on load sliding block, on the top cover of stator bore
It is installed with load guide shaft, the loading axis guiding that slides axially is matched with stator bore, and loading axis interior edge is axially arranged with
Guide shaft hole and disc spring chamber, load guide shaft pass through disc spring chamber, disc spring chamber lower end tool relative to guide shaft hole, load guide shaft is snug fit at
There is support bottom wall, disc spring chamber upper port is provided with spacing end cap, and load guide shaft is provided with the annular flange positioned at disc spring intracavitary, disc spring chamber
It is interior to be connected to provided with the buffering disc spring post built up by some disc spring pieces, buffering disc spring post one end in the annular flange of load guide shaft,
The buffering disc spring post other end is connected to disc spring bottom of chamber portion, and the annular flange of load guide shaft abuts one end relative to buffering disc spring post
The other end and the spacing spacing cooperation of end cap backstop.Under the structure design, simple and compact for structure, the buffering effect of buffering loading cylinder
It is good.
Preferably, the top cover of the stator bore is provided with load guide shaft plug-in opening, and load guide shaft is plugged in load guide shaft
In plug-in opening, load guide shaft is provided with the load guide shaft latch assembly locking onto load guide shaft on the top cover of stator bore, carries
Lotus guide shaft latch assembly includes locking nut, inner washer and outer washer, has on load guide shaft in stator bore
The shaft shoulder, the inner washer are located between the shaft shoulder and the top cover of stator bore, and outer washer is located at locking nut and stator bore
Between top cover, inner washer and outer washer include being located proximate to the first circle body of the top cover of stator bore and matched somebody with somebody with the first circle body
The second circle body closed, the aperture of mesopore towards the second circle body of first circle body are provided with outer big, interior small conical cavity, the second circle
The outer circumferential side of body is provided with the spherical of spherical crown shape, and the spherical of second circle body, which contradicts, to be matched with the inwall of conical cavity.
Under the structure design, under the structure of inner washer and outer washer, it can prevent that catching phenomenon occurs for load guide shaft during locking nut, disappears
Except load measurement error.
The utility model is further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the utility model specific embodiment axial loading device structural representation；
Fig. 2 is the utility model specific embodiment axial loading device top view；
Fig. 3 is along the sectional view of line A-A cutting in Fig. 2；
Fig. 4 is along the sectional view of line B-B cutting in Fig. 2；
Fig. 5 is C portion partial enlarged view in Fig. 4；
Fig. 6 is the utility model specific embodiment inner washer（Outer washer）Structural representation.
Embodiment
Referring to accompanying drawing 1 to 6, a kind of axial loading device disclosed in the utility model, including frame 1, in frame 1
Loading axis 2 and load maintainer, described load maintainer include loading motor 3, loading lead screw pair, spring buffer loading cylinder 4 with
And load sliding block 5, the both lateral sides of load sliding block 5 are provided with guide holder 51, guide pillar 11 are provided with frame 1, load sliding shoe 5 passes through
The slide-and-guide of guide holder 51 is matched with guide pillar 11, loads lead screw pair and spring buffer loading cylinder 4 on load sliding shoe 5
The centre position of both sides guide holder 51, load lead screw pair and spring buffer loading cylinder 4 arrange along the longitudinal direction, load lead screw pair bag
The loading leading screw 6 and loading nut 7 of mutual cooperation are included, motor shaft and the loading leading screw 6 of the loading motor 3 are connected, added
Carry nut 7 to be fixedly installed on load sliding block 5, the load input of spring buffer loading cylinder 4 is connected with load sliding block 5, spring
The load output end of buffering loading cylinder 4 is connected with loading axis 2.
The buffering loading cylinder 4 includes the stator bore 41 being fixed on load sliding block 5（Stator bore 41 can fixing assembling
In on load sliding block 5, or be integrally formed, this specific embodiment is formed in one setting）, the top cover of stator bore 41
It is installed with load guide shaft 42 on 411, the loading axis 2 guiding that slides axially is matched with stator bore 41, in loading axis 2
Guide shaft hole 21 and disc spring chamber 22 are provided with vertically, and load guide shaft 42 is worn relative to guide shaft hole 21, load guide shaft 42 is snug fit at
Disc spring chamber 22 is crossed, the lower end of disc spring chamber 22 has support bottom wall, and the upper port of disc spring chamber 22 is provided with spacing end cap 23, and load guide shaft 42 is set
There is the annular flange 421 in disc spring chamber 22, be provided with the buffering disc spring post 43 built up by some disc spring pieces in disc spring chamber 22, delay
Rush the one end of disc spring post 43 to be connected in the annular flange 421 of load guide shaft 42, the other end of buffering disc spring post 43 is connected to disc spring chamber
22 bottoms, the annular flange 421 of load guide shaft 42 abut the other end of one end and spacing end cap relative to buffering disc spring post 43
The spacing cooperation of 23 backstops.Simple and compact for structure, the good buffer effect of buffering loading cylinder.
In addition, the top cover 411 of the stator bore 41 is provided with load guide shaft plug-in opening 4111, load guide shaft 42 is plugged in
In load guide shaft plug-in opening 4111, load guide shaft 42 is provided with and load guide shaft 42 is lock onto on the top cover 411 of stator bore 41
Load guide shaft latch assembly, load guide shaft latch assembly includes locking nut 44, inner washer 45 and outer washer 46, in load
There is the shaft shoulder 422 in the stator bore 41, the inner washer 45 is located in the shaft shoulder 422 and stator bore 41 on guide shaft 42
Between top cover 411, outer washer 46 is located between locking nut 44 and the top cover 411 of stator bore 41, inner washer 45 and outer washer
46 include the first circle body 4a for being located proximate to the top cover 411 of stator bore 41 and the second circle body with the first circle body 4a cooperations
4b, the first circle body 4a mesopore towards the second circle body 4b aperture are provided with outer big, interior small conical cavity 4a-1, the second circle body
4b outer circumferential side, which is provided with to contradict in the spherical 4b-1, the second circle body 4b of spherical crown shape spherical 4b-1, is matched with conical cavity
On 4a-1 inwall.Under the structure of inner washer and outer washer, it can prevent that catching phenomenon occurs for load guide shaft during locking nut, disappears
Except load measurement error.
The utility model axial loading device operation principle is：Loading motor is through loading lead screw pair driving load sliding block lifting
Slide, stator bore and load guide shaft lift therewith on load sliding block, and in the presence of disc spring post is buffered, the driving of load guide shaft adds
Axle action is carried, buffering disc spring post is compressed during loading, is realized and stable is applied load；During release, first release buffering disc spring post, is realized flat
Steady unloading.
Claims (3)
1. a kind of axial loading device, including frame, loading axis and load maintainer in frame, it is characterised in that：Institute
The load maintainer stated includes loading motor, loading lead screw pair, spring buffer loading cylinder and load sliding block, the transverse direction of load sliding block
Both sides are provided with guide holder, and guide pillar is provided with frame, and load sliding shoe is matched with guide pillar through guide holder slide-and-guide, load silk
The both sides guide holder centre position that thick stick is secondary and spring buffer loading cylinder is on load sliding shoe, loads lead screw pair and spring delays
Punching loading cylinder arranges that loading lead screw pair includes the loading leading screw to cooperate and loading nut, the loading electricity along the longitudinal direction
The motor shaft of machine is connected with loading lead screw transmission, and loading nut is fixedly installed on load sliding block, and spring buffer loads the load of cylinder
Lotus input is connected with load sliding block, load output end and the loading axis connection of spring buffer loading cylinder.
2. axial loading device according to claim 1, it is characterised in that：The buffering loading cylinder includes being fixed on load cunning
Stator bore on block, is installed with load guide shaft on the top cover of stator bore, and the loading axis guiding that slides axially coordinates
In in stator bore, loading axis interior edge is axially arranged with guide shaft hole and disc spring chamber, load guide shaft relative to being snug fit at guide shaft hole,
Load guide shaft passes through disc spring chamber, and disc spring chamber lower end has support bottom wall, and disc spring chamber upper port is provided with spacing end cap, and load guide shaft is set
There is the annular flange positioned at disc spring intracavitary, disc spring intracavitary is provided with the buffering disc spring post built up by some disc spring pieces, buffers disc spring post
One end is connected in the annular flange of load guide shaft, and the buffering disc spring post other end is connected to disc spring bottom of chamber portion, the ring of load guide shaft
Shape flange abuts the other end of one end and the spacing spacing cooperation of end cap backstop relative to buffering disc spring post.
3. axial loading device according to claim 2, it is characterised in that：The top cover of the stator bore is led provided with load
Axle plug-in opening, load guide shaft are plugged in load guide shaft plug-in opening, and load guide shaft is provided with lock onto stationary cylinder by load guide shaft
Load guide shaft latch assembly on the top cover of cylinder, load guide shaft latch assembly include locking nut, inner washer and outer washer,
There is the shaft shoulder in stator bore on load guide shaft, the inner washer is located between the shaft shoulder and the top cover of stator bore,
Outer washer is located between locking nut and the top cover of stator bore, and inner washer and outer washer include being located proximate to stator bore
First circle body of top cover and the second circle body coordinated with the first circle body, the hole of mesopore the second circle body of direction of first circle body
Mouth is provided with outer big, interior small conical cavity, and the outer circumferential side of the second circle body is provided with the spherical of spherical crown shape, the ball of second circle body
Shape face contradicts and is matched with the inwall of conical cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948569.XU CN207066880U (en) | 2017-08-01 | 2017-08-01 | Axial loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948569.XU CN207066880U (en) | 2017-08-01 | 2017-08-01 | Axial loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207066880U true CN207066880U (en) | 2018-03-02 |
Family
ID=61518574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720948569.XU Expired - Fee Related CN207066880U (en) | 2017-08-01 | 2017-08-01 | Axial loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207066880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760498A (en) * | 2018-06-04 | 2018-11-06 | 西南交通大学 | Load bringing device and fretting test device |
| CN109174683A (en) * | 2018-08-06 | 2019-01-11 | 毕勤自动化技术(上海)股份有限公司 | A kind of simple and effective spring mechanism for testing |
-
2017
- 2017-08-01 CN CN201720948569.XU patent/CN207066880U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760498A (en) * | 2018-06-04 | 2018-11-06 | 西南交通大学 | Load bringing device and fretting test device |
| CN108760498B (en) * | 2018-06-04 | 2024-04-19 | 西南交通大学 | Load applying device and micro-motion test device |
| CN109174683A (en) * | 2018-08-06 | 2019-01-11 | 毕勤自动化技术(上海)股份有限公司 | A kind of simple and effective spring mechanism for testing |
| CN109174683B (en) * | 2018-08-06 | 2021-04-13 | 毕勤自动化技术(上海)股份有限公司 | Simple and effective spring testing mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20180801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |