CN202903600U - Servo drive loader - Google Patents

Servo drive loader Download PDF

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Publication number
CN202903600U
CN202903600U CN 201220551645 CN201220551645U CN202903600U CN 202903600 U CN202903600 U CN 202903600U CN 201220551645 CN201220551645 CN 201220551645 CN 201220551645 U CN201220551645 U CN 201220551645U CN 202903600 U CN202903600 U CN 202903600U
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CN
China
Prior art keywords
ball
bearing
screw
installation sleeve
speed reducer
Prior art date
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.)
Expired - Lifetime
Application number
CN 201220551645
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Chinese (zh)
Inventor
赵又杰
徐青
张小康
邵强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI BAIROE TEST INSTRUMENT CO Ltd
Original Assignee
SHANGHAI BAIROE TEST INSTRUMENT CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI BAIROE TEST INSTRUMENT CO Ltd filed Critical SHANGHAI BAIROE TEST INSTRUMENT CO Ltd
Priority to CN 201220551645 priority Critical patent/CN202903600U/en
Application granted granted Critical
Publication of CN202903600U publication Critical patent/CN202903600U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a servo drive loader, comprising a servo motor, a planetary gear speed reducer, a first installation sleeve, a deep groove ball bearing, a guide light axis, linear bearings, a load sensor, an installation plate, a second installation sleeve, a guide plate, a ball screw nut, a thrust ball bearing, a bearing seat and a ball screw, wherein the servo motor is connected with the input end of the planetary gear speed reducer; the planetary gear speed reducer is installed on the first installation sleeve, and the output shaft of the planetary gear speed reducer is connected with the ball screw; the first installation sleeve is fixed on a bearing seat, and the ball screw is fixed on the bearing seat via the thrust ball bearing and the deep groove ball bearing; the ball screw nut is fixed on the second installation sleeve, the second installation sleeve is connected with the guide plate, and at least two linear bearings are fixed on the guide plate; and the load sensor is installed on the guide plate, and the linear movement of the load sensor is driven via the rotation of the servo motor. The servo drive loader disclosed by the utility model is simple in structure, low in cost, strong in universality, and capable of saving labour and materials.

Description

The servo driving loader
Technical field
The invention belongs to the testing of materials equipment technical field, relate to a kind of testing machine, relate in particular to a kind of servo driving loader of testing machine.
Background technology
Slow-drawing stress corrosion test machine and electronic type creep and stress rupture test machine are the modal Material Testing Machine in testing of materials field, and the common ground one of these two kinds of testing machines is that their rate of extension is very slow, can reach 1x10 the slowlyest -8Mm/min, the 2nd, stretching travel requires smaller, generally has the stretching travel of 80mm just can satisfy test request.For slow-drawing stress corrosion test machine and electronic type creep and stress rupture test machine, realize that at present the mode that loads generally has two kinds.
First kind of way as shown in Figure 1 and Figure 2, loader comprises load sensor 101, ball screw assembly, 102, moving beam 103, synchronous cog belt wheels 104, synchronous cog belt 105, stretching pulley 106, servomotor 107, servo planetary reducer 108, worm-gear speed reducer 109.Drive crossbeam 103 by a series of transmissions such as servomotor 107, servo planetary reducer 108, worm-gear speed reducer 109, synchronous cog belt 105, synchronous cog belt wheels 104, two ball screw assembly,s 102 and move, realize loading to sample by load sensor 1 again.
Said structure is the version that slow-drawing stress corrosion test machine and electronic type creep and stress rupture test machine generally adopt, complex structure, cost is high, especially for the slow-drawing stress corrosion test machine, this part-structure is different with corrosion environment medium and test request, to do change to drive load version, the design effort burdensome.
The second way as shown in Figure 3, loader comprises ball-screw 201, feather key 202, ball-screw nut 203, synchronous cog belt engaged wheel 204, synchronous cog belt 205, mounting bracket 206, synchronous cog belt driving wheel 207, the servo planetary reducer 208 of secondary, servomotor 209.Drive ball-screw 201 by a series of transmissions such as servomotor 209, the servo planetary reducer 208 of secondary, synchronous cog belt driving wheel 207, synchronous cog belt 205, synchronous cog belt engaged wheel 204, ball-screw nut 203 and under the guide effect of feather key 202, move up and down, realize loading to sample by other web member again.
Said structure also is the version that slow-drawing stress corrosion test machine and electronic type creep and stress rupture test machine generally adopt, same structure is complicated, cost is high, especially for the slow-drawing stress corrosion test machine, this part-structure is different with corrosion environment medium and test request, also to do change to drive load version, the design effort burdensome.
Summary of the invention
Technical matters to be solved by this invention is: a kind of servo driving loader is provided, can solves existing loader complex structure, cost is high, versatility is poor problem.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of servo driving loader, described loader comprise servomotor, planet-gear speed reducer, the first installation sleeve, deep groove ball bearing, guiding optical axis, linear bearing, load sensor, installing plate, the second installation sleeve, guide plate, ball-screw nut, thrust ball bearing, bearing seat, ball-screw;
Described servomotor is connected with the input end of planet-gear speed reducer, and planet-gear speed reducer is installed on the first installation sleeve, and the output shaft of planet-gear speed reducer is connected with ball-screw;
Described the first installation sleeve is fixed on the bearing seat, and ball-screw is fixed on the bearing seat by thrust ball bearing and deep groove ball bearing;
Described ball-screw nut is fixed on the second installation sleeve; The second installation sleeve is connected with guide plate, be fixed with at least two linear bearings on the guide plate, linear bearing can only move along the guiding optical axis, and installing plate, guiding optical axis and bearing seat consist of firm framework, the restriction ball-screw nut can not rotate it, can only move up and down along the guiding optical axis;
Described load sensor is installed on the guide plate, the traveling priority of the rotating drive load sensor of servomotor.
As a preferred embodiment of the present invention, described ball-screw is fixed on the bearing seat by two cover thrust ball bearings and a cover deep groove ball bearing, and two cover thrust ball bearings bear respectively the load that ball-screw stretches and compresses.
As a preferred embodiment of the present invention, be fixed with at least two linear bearings on the described guide plate.
As a preferred embodiment of the present invention, described servomotor is connected input end and is directly connected with planet-gear speed reducer.
As a preferred embodiment of the present invention, described loader also comprises set nut, and set nut is screwed on the ball-screw, and one end-face is pressed on the end face of deep groove ball bearing, eliminates the gap between bearing, bears the axial pulling force of ball-screw.
Beneficial effect of the present invention is: the servo driving loader that the present invention proposes, with the standardization of servo driving charger, blocking, can be applied to flexibly, easily on the similar testing machines such as slow-drawing stress corrosion test machine and electronic type creep and stress rupture test machine, can solve existing loader complex structure, cost is high, versatility is poor problem.The present invention is simple in structure, cost is low, highly versatile, can save human and material resources, can produce huge economic benefit after of the present invention the promoting the use of.
Description of drawings
Fig. 1 is a kind of structural representation of existing servo driving loader.
Fig. 2 is a kind of vertical view of existing servo driving loader.
Fig. 3 is the structural representation of another kind of existing servo driving loader.
Fig. 4 is the structural representation of servo driving loader of the present invention.
Embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 4, the present invention has disclosed a kind of servo driving loader, comprises servomotor 1, planet-gear speed reducer 2, the first installation sleeve 3, set nut 4, deep groove ball bearing 5, guiding optical axis 6, linear bearing 7, load sensor 8, installing plate 9, the second installation sleeve 10, guide plate 11, ball-screw nut 12, thrust ball bearing 13, bearing seat 14, ball-screw 15.
Servomotor 1 is installed in the input end of planet-gear speed reducer 2, planet-gear speed reducer 2 is installed on the first installation sleeve 3, the output shaft of planet-gear speed reducer 2 is connected connection with ball-screw, the first installation sleeve 3 is fixed on the bearing seat 14, ball-screw 15 is fixed on the bearing seat 14 by two cover thrust ball bearings 13 and a cover deep groove ball bearing 5, two cover thrust ball bearings 13 bear respectively the load that ball-screw stretches and compresses, ball-screw nut 12 is fixed on the second installation sleeve 10, the second installation sleeve 10 is connected connection with guide plate, be fixed with 3 linear bearings 7 on the guide plate 11, linear bearing 7 can only move along guiding optical axis 6, installing plate 9, guiding optical axis 6 and bearing seat 14 consist of firm framework, restriction ball-screw nut 12 can not rotate, can only move up and down along the guiding optical axis, load sensor 8 is installed on the guide plate 11, can draw from the above description, the rotation of servomotor 1 can by a series of transmission, drive the traveling priority of load sensor 8.
After seriation of the present invention, standardization, Fig. 1, Fig. 2 and occasion shown in Figure 3 just can replace with loader of the present invention.
In sum, the servo driving loader that the present invention proposes, with the standardization of servo driving charger, blocking, can be applied to flexibly, easily on the similar testing machines such as slow-drawing stress corrosion test machine and electronic type creep and stress rupture test machine, can solve existing loader complex structure, cost is high, versatility is poor problem.Creep and stress rupture test machine and slow-drawing stress corrosion test machine are in great demand, and the present invention is simple in structure, cost is low, highly versatile, can save human and material resources, can produce huge economic benefit after of the present invention the promoting the use of.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that do not break away from spirit of the present invention or essential characteristic, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.In the situation that do not break away from the scope of the invention and spirit, can carry out other distortion and change to disclosed embodiment here.

Claims (5)

1. servo driving loader, it is characterized in that, described loader comprises servomotor, planet-gear speed reducer, the first installation sleeve, deep groove ball bearing, guiding optical axis, linear bearing, load sensor, installing plate, the second installation sleeve, guide plate, ball-screw nut, thrust ball bearing, bearing seat, ball-screw;
Described servomotor is connected with the input end of planet-gear speed reducer, and planet-gear speed reducer is installed on the first installation sleeve, and the output shaft of planet-gear speed reducer is connected with ball-screw;
Described the first installation sleeve is fixed on the bearing seat, and ball-screw is fixed on the bearing seat by thrust ball bearing and deep groove ball bearing;
Described ball-screw nut is fixed on the second installation sleeve; The second installation sleeve is connected with guide plate, be fixed with at least two linear bearings on the guide plate, linear bearing can only move along the guiding optical axis, and installing plate, guiding optical axis and bearing seat consist of firm framework, the restriction ball-screw nut can not rotate it, can only move up and down along the guiding optical axis;
Described load sensor is installed on the guide plate, the traveling priority of the rotating drive load sensor of servomotor.
2. servo driving loader according to claim 1 is characterized in that: described ball-screw is fixed on the bearing seat by two cover thrust ball bearings and a cover deep groove ball bearing, and two cover thrust ball bearings bear respectively that ball-screw stretches and the load of compression.
3. servo driving loader according to claim 1 is characterized in that: be fixed with two linear bearings on the described guide plate at least.
4. servo driving loader according to claim 1 is characterized in that: described servomotor is connected input end and is directly connected with planet-gear speed reducer.
5. servo driving loader according to claim 1, it is characterized in that: described loader also comprises set nut, and set nut is screwed on the ball-screw, and one end-face is pressed on the end face of deep groove ball bearing, eliminate the gap between bearing, bear the axial pulling force of ball-screw.
CN 201220551645 2012-10-25 2012-10-25 Servo drive loader Expired - Lifetime CN202903600U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220551645 CN202903600U (en) 2012-10-25 2012-10-25 Servo drive loader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220551645 CN202903600U (en) 2012-10-25 2012-10-25 Servo drive loader

Publications (1)

Publication Number Publication Date
CN202903600U true CN202903600U (en) 2013-04-24

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CN 201220551645 Expired - Lifetime CN202903600U (en) 2012-10-25 2012-10-25 Servo drive loader

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102928292A (en) * 2012-10-25 2013-02-13 上海百若试验仪器有限公司 Servo driving loader
CN110631435A (en) * 2019-08-23 2019-12-31 北京星航机电装备有限公司 Self-adaptive gravity balancing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102928292A (en) * 2012-10-25 2013-02-13 上海百若试验仪器有限公司 Servo driving loader
CN110631435A (en) * 2019-08-23 2019-12-31 北京星航机电装备有限公司 Self-adaptive gravity balancing device

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Granted publication date: 20130424