KR101793590B1 - Driving and durability testing device for crawler system - Google Patents

Driving and durability testing device for crawler system Download PDF

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Publication number
KR101793590B1
KR101793590B1 KR1020160003934A KR20160003934A KR101793590B1 KR 101793590 B1 KR101793590 B1 KR 101793590B1 KR 1020160003934 A KR1020160003934 A KR 1020160003934A KR 20160003934 A KR20160003934 A KR 20160003934A KR 101793590 B1 KR101793590 B1 KR 101793590B1
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KR
South Korea
Prior art keywords
moving
crawler
driving
crawler equipment
support
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KR1020160003934A
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Korean (ko)
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KR20170084650A (en
Inventor
이동찬
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주식회사 네오시스템
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
    • 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
    • F15B19/007—Simulation or modelling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
    • G01M17/0074—Details, e.g. roller construction, vehicle restraining devices
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/855—Testing of fluid pressure systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The driving and durability testing apparatus for crawler equipment according to the embodiment of the present invention is a driving and durability testing apparatus for crawler equipment capable of performing driving and durability tests of the crawler equipment by being arranged in plural along the running direction of the crawler equipment, And a plurality of horizontal moving units arranged in the moving direction of the horizontal moving unit to support the crawler equipment and are arranged to move upward or downward in accordance with predetermined conditions, And includes a road surface forming section that implements the topography of the road surface by linearly moving or simultaneously moving linearly. According to the present invention, by arranging a plurality of running and durability testing devices for crawler equipment along the running direction of the crawler equipment, even when a separate running path for performing the running and durability tests of the crawler equipment is not constructed, It is possible to secure a test space for performing the running and endurance tests of the crawler equipment and to save time and money since it is not necessary to construct a separate travel path for carrying out the running and endurance tests of the crawler equipment.

Figure R1020160003934

Description

[0001] The present invention relates to a driving and durability testing device for crawler equipment,

The present invention relates to a traveling and durability testing apparatus for a crawler machine.

A track shoe attached to a link and a linking device connecting the ends of the track chain to each other to form a loop, Crawler equipment such as bulldozers and excavators to which a crawler track is applied is not provided with any device or equipment capable of performing separate running and endurance tests.

Therefore, in order to carry out the running and durability tests for the crawler equipment to which the crawler track is applied, a construction of an arbitrary traveling route in which the crawler equipment actually travels is constructed, and the condition of the crawler equipment according to the traveling distance of the crawler equipment is checked Respectively.

However, in order to carry out the running and durability test of the crawler equipment, the above-described method requires not only to separately construct a separate traveling path capable of running the crawler equipment according to preset road surface conditions, There is a problem that a high cost is incurred in order to carry out the running and durability test because a minimum space for constructing the traveling road must be secured.

In addition, conventionally, in order to measure the results of running and durability tests, it is difficult for the experimenter to measure the durability change of the crawler equipment by the mileage and mileage of the crawler equipment using the measurement tool, and to obtain accurate test data.

Korean Patent Publication No. 10-2013-0057408

SUMMARY OF THE INVENTION It is an object of the present invention to provide a traveling and durability testing apparatus for a crawler equipment which can perform traveling and durability tests of a crawler equipment by constructing various road surface conditions within a predetermined space without constructing a traveling path .

The driving and durability testing apparatus for crawler equipment according to the embodiment of the present invention is a driving and durability testing apparatus for crawler equipment capable of performing driving and durability tests of the crawler equipment by being arranged in plural along the running direction of the crawler equipment, And a plurality of horizontal moving units arranged in the moving direction of the horizontal moving unit to support the crawler equipment and are arranged to move upward or downward in accordance with predetermined conditions, And a road surface forming part for realizing the topography of the road surface by linearly moving or simultaneously moving at the same time, wherein the road surface forming part comprises: a plurality of vertical moving parts installed in the horizontal moving part and extending or contracting along the central axis direction; And vertically moved by the respective vertical moving parts, And a rotation part for supporting the crawler machine by rotating in a clockwise or counterclockwise direction in accordance with a traveling mode of the crawler machine, wherein each of the rotation parts comprises: a support part provided on each of the vertical movement parts; And a rotatable actuator installed on the support and rotating the rotatable body, wherein each rotatable body is individually rotated by the respective rotatable actuators.

The horizontal moving part may include a frame part in which the road surface forming part is installed, and a driving part that generates power to move the frame part.

The frame unit may include a moving support plate installed on the driving unit and a plurality of moving bodies disposed on the moving support plate along the moving direction of the horizontally moving unit.

The moving body may include a first support member disposed on the upper side of the moving support plate and a second support member disposed laterally on the first support member and having the road surface forming portion provided at both ends thereof.

The frame portion may further include a connecting member for connecting the moving bodies disposed in plurality on the moving support plate.

The driving part includes a support part provided on the ground, a conveying part installed on the support part to support the moving support plate, generate a power to move the moving support plate, and a guide part installed on the support part and guiding the movement of the movement support plate can do.

The conveying unit includes a conveying actuator for generating power, a rotating shaft portion coupled to the conveying actuator and rotated by receiving power of the conveying actuator, and a rotary shaft portion provided on the rotary shaft portion, And a ball screw which moves to one side or the other side of the movable support plate to move the movable support plate.

The power transmission member for transmitting the power of the transport actuator to the rotation shaft portion may be installed between the transport actuator and the rotation shaft portion, have.

The guide portion may include a guide rail, and a guide block installed on the guide rail and moving along the guide rail to guide movement of the movable support plate.

delete

Wherein each of the vertical moving parts includes a receiving part provided in the horizontally moving part and having a receiving space inside thereof, and a plurality of vertical moving parts provided in the receiving part, And a vertical moving member provided at an end of the driving unit to support the rotation unit.

The driving unit may include a cylinder disposed in the accommodating space, a moving shaft installed inside the cylinder and protruding outward in accordance with a pressure difference of the fluid, or inserted into the cylinder, And a fluid supply part for supplying the fluid to the fluid supply part.

delete

The supporting portion includes a first supporting member provided on the vertically moving member, a second supporting member disposed on the upper side of the first supporting member, and a third supporting member disposed on the second supporting member and supporting the rotating body .

The rotary body may include a drum that rotates in a predetermined direction through the rotary actuator, and a bearing installed on the third support member to support both ends of the drum.

A plurality of slots may be formed around the drum, and a plurality of slots may be formed in the plurality of slots.

delete

According to the present invention, by arranging a plurality of running and durability testing devices for crawler equipment along the running direction of the crawler equipment, even when a separate running path for performing the running and durability tests of the crawler equipment is not constructed, It is possible to secure a test space for performing the running and endurance tests of the crawler equipment and to save time and money since it is not necessary to construct a separate travel path for carrying out the running and endurance tests of the crawler equipment.

In addition, it is possible to individually control the vertical moving parts arranged in plural along the traveling direction of the crawler equipment, thereby realizing various terrain forms, and it is also possible to control the driving and durability test repeatedly , And it is possible to derive optimal test data with the minimum error range.

Further, it is possible to extend the linear moving distance of the horizontally moving part by further disposing a power transmitting member between the actuator and the rotary shaft part after changing the installation position of the actuator according to the size of the crawler machine or the size of the installation space.

1 is a view showing a state in which a plurality of running and durability testing devices for crawler equipment are arranged according to an embodiment of the present invention.
2 is a perspective view showing a driving and durability test apparatus for crawler equipment according to an embodiment of the present invention.
3 is a view showing a horizontal moving part of a driving and durability testing device for a crawler machine according to an embodiment of the present invention.
4 is a view showing a frame part of the horizontal moving part.
5 is a view showing a driving unit of the horizontal moving unit.
6 is a view showing a vertical moving part of a driving and durability testing device for a crawler machine according to an embodiment of the present invention.
7 is a view showing a rotating part of a driving and durability test apparatus for a crawler machine according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to FIGS. 1 and 2, a traveling and durability testing apparatus 100 (hereinafter referred to as a traveling and durability testing apparatus 100 for crawler equipment) for a crawler equipment according to an embodiment of the present invention is installed in a predetermined space A traveling and durability testing apparatus (100) for a crawler equipment which is capable of carrying out running and durability tests of the crawler equipment arranged in plural along the running direction of the crawler equipment (not shown) And a horizontal moving unit 10 that linearly moves to one side or the other side. Here, the running direction of the crawler machine means the Y-axis direction shown in Fig.

3, the horizontal moving part 10 includes a frame part 11 on which a road surface forming part 20 to be described later is installed and a driving part 13 for generating power to move the frame part 11 .

3 and 4, the frame unit 11 includes a moving support plate 111 installed on the driving unit 13 and a moving support plate 111 installed on the driving unit 13 to move along the moving direction of the horizontal moving unit 10 And a plurality of movable bodies 113 arranged on the support plate 111. [

Each of the moving bodies 113 includes a first supporting member 1131 vertically installed on the upper side of the moving supporting plate 111 and symmetrically disposed along the width direction of the moving supporting plate 111, And a second support member 1133 which is disposed laterally on the upper side of the first support member 11 and on both ends of which the road surface forming portion 20 to be described later is installed.

The frame portion 11 may further include a connecting member 115 connecting the moving bodies 113 arranged in plurality on the moving support plate 111 to each other.

More specifically, a plurality of second supporting members 1133 are fixed to the ends of the second supporting members 1133 with a second supporting member 1133 disposed at one side along the Y-axis direction and a second supporting member 1133 at the other side, A connecting member 115 which is fastened to the first and second supporting members 1133 and connects the plurality of second supporting members 1133 to each other may be provided.

3 and 5 (a), the driving unit 13 is formed in a flat plate or lattice shape having a predetermined thickness and is provided in a supporting portion 131 and a supporting portion 131 provided on the ground surface A conveying unit 133 that supports the moving support plate 111 and generates power to linearly move the moving support plate 111 along the traveling direction (Y-axis direction) of the crawler machine, And a guide unit 135 for guiding the movement of the guide member 111.

Here, the transfer unit 133 includes an actuator 1331 installed in the support unit 131 for generating power, a rotation shaft 1333 coupled to the actuator 1331 and rotated by receiving the power of the actuator 1331, And a ball screw 1335 that is provided on the rotation shaft 1333 and moves in one side or the other side (Y axis direction) of the rotation shaft 1333 in accordance with rotation of the rotation shaft 1333 to move the movement support plate 111 can do.

For example, the actuator 1331 may be arranged so as to have the same central axis as the rotation shaft portion 1333. [ The supporting portion 131 is provided with an actuator supporting member 1331a for supporting the actuator 1331 so that the actuator 1331 can be fixed to a predetermined height and a bearing (not shown) And a rotary shaft support member 1333a for supporting the other side. The ball screw 1335 may be coupled with the ball screw supporting member 1335a coupled to the moving supporting plate 111 to move the moving supporting plate 111.

The transferring unit 133 further includes a power transmitting member 1337 for transmitting the power of the actuator 1331 to the rotating shaft 1333 when the mounting direction of the actuator 1331 provided in the supporting unit 131 is changed .

5B, the actuator 1331 can be arranged in a direction in which the center axis CA2 of the actuator 1331 intersects the center axis CA1 of the rotation axis portion 1333. [ A power transmission member 1337 for transmitting the power of the actuator 1331 crosswise to the rotation shaft 1333 to the rotation shaft 1333 may be installed between the actuator 1331 and the rotation shaft 1333. For example, the power transmitting member 1337 may include a bevel gear that is coupled to the actuator 1331 and the rotating shaft 1333 and rotates in engagement with each other.

The guide part 135 includes a guide rail 1351 and a guide block 1353 which is installed on the guide rail 1351 and moves along the guide rail 1351 and guides the movement of the movement support plate 111 .

For example, the guide portion 135 may be disposed on one side and the other side of the transfer portion 133 along the width direction (X-axis direction) of the support portion 131 with the transfer portion 133 as the center.

Referring to FIGS. 1 and 2, the running and durability test apparatus 100 for a crawler machine includes a road surface forming portion 20.

More specifically, the road surface forming portion 20 is arranged in a plurality of directions along the moving direction of the horizontal moving portion 10 to support the crawler equipment and linearly move individually upward or downward according to preset conditions, To realize the terrain of the road surface.

2 and 6, the road surface forming part 20 may include a vertical moving part 21 installed in the horizontal moving part 10 and extending or contracting along the central axis direction.

The vertical moving part 21 is installed in the receiving part 211 and the receiving part 211 provided in the horizontally moving part 10 and having a receiving space on the inside thereof, And a vertical moving member 215 provided at an end of the driving unit 213 and supporting the rotating unit 23.

The driving unit 213 is installed inside the cylinder 2131 and the cylinder 2131 disposed in the accommodating space and protrudes outward in accordance with the pressure difference of the fluid or is inserted into the cylinder 2131 A shaft portion 2133, and a fluid supply portion 2135 for supplying fluid to the inside of the cylinder portion 2131.

2 and 7 (a), the road surface forming portion 20 is installed on the vertically moving portion 21 and linearly moves along the central axis direction of the vertically moving portion 21, And a rotation unit 23 that rotates in a clockwise or counterclockwise direction to support the crawler machine according to the running mode of the crawler machine.

The rotation part 23 may include a support part 231 installed on the vertical moving part 21. [

More specifically, the support portion 231 includes a first support member 2311 provided on the vertically movable member 215, a second support member 2311 disposed on the upper side of the first support member 2311, And a third supporting member 2315 disposed on the second supporting member 2313 and supporting the rotating body 233. The second supporting member 2313 may be formed of a metal such as aluminum,

The rotary part 23 may include a rotating body 233 mounted on the support part 231 and supporting the crawler machine.

More specifically, the rotating body 233 includes a drum 2331 that rotates in a predetermined direction through the power generating portion 235, and a drum 2331 that is provided on the third supporting member 2315 and supports both ends of the drum 2331 And may include a bearing 2333.

7 (b), a plurality of slots 2331a are formed around the drum 2331, and a plurality of slots 2331a are formed with surface forming members 2335 for realizing the surface of the road surface, Can be installed. Accordingly, the traveling and durability testing apparatus 100 for the present crawler equipment can realize a terrain shape of a predetermined shape through a plurality of vertical moving parts 21 that linearly move upward or downward individually, The surface of the road surface through the surface forming member 2335 provided around the drum 2331 can be implemented in various forms.

The rotating part 23 may include a power generating part 235 installed on the supporting part 231 and rotating the rotating body 233. [

More specifically, the power generating portion 235 includes an actuator 2351 connected to the drum 2331 to rotate the drum 2331, and an actuator 2351 mounted on the third support member 2315 to support the actuator 2351 Member 2353 as shown in Fig.

As described above, according to the present invention, a plurality of traveling and durability test apparatuses 100 for crawler equipment along the traveling direction of the crawler equipment are arranged, so that a separate traveling path for performing the running and durability tests of the crawler equipment is not constructed It is possible not only to secure a test space for performing the running and endurance tests of the crawler equipment, but also to save time and cost since it is not necessary to construct a separate travel path for carrying out the running and endurance tests of the crawler equipment .

In addition, it is possible to individually control the vertically moving parts 21 arranged in plural along the traveling direction of the crawler equipment, thereby realizing various terrain forms on the various road surfaces, and also it is possible to control the vehicle through the control device, And can obtain optimal test data with minimized error range.

Further, after the installation position of the actuator 1331 is changed according to the size of the crawler machine or the installation space, the power transmission member 1337 is additionally disposed between the actuator 1331 and the rotary shaft 1333, The linear moving distance of the moving part 10 can be extended.

While the present invention has been particularly shown and described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And all changes and modifications to the scope of the invention.

100. Running and durability test equipment for crawler equipment
10. Horizontal moving part
11. Frame part
111. Moving support plate
113. Movable body
1131. First support member 1133. Second support member
115. Connecting member
13. Drive
131. Support
133. Transfer section
1331. Actuator 1331a. Actuator supporting member
1333. Rotation shaft 1333a. The rotation shaft support member
1335. Ball screw 1335a. The ball screw supporting member
1337. Power transmission member
135. Guide section
1351. Guide rail 1353. Guide block
20. Road surface forming part
21. Vertical moving part
211. Receiver
213. Driving part
2131. Cylinder part
2133. Movement shaft
2135. Fluid supply part
215. Vertically movable member
23. Rotation part
231. Support
2311. First support member 2313. Second support member
2315. Third supporting member
233. Rotating body
2331. Drum 2331a. slot
2333. Bearing
2335. The surface-
235. Power generation unit
2351. Actuator 2353. Actuator supporting member
CA1. The center axis
CA2. The center axis of the actuator

Claims (17)

A traveling and durability test apparatus for crawler equipment capable of performing traveling and durability tests of a crawler machine by arranging a plurality of crawler machines along a running direction of the crawler machine,
A horizontal moving unit installed on the ground and linearly moving along the traveling direction of the crawler equipment,
A road surface forming part for supporting the crawler equipment by a plurality of arrangements along the moving direction of the horizontally moving part, linearly moving individually upward or downward according to preset conditions,
Lt; / RTI >
The road-
A plurality of vertical moving parts provided in the horizontal moving part and extending or contracting along a central axis direction,
The crawler device according to any one of claims 1 to 3, wherein the crawler device is a vertical movement device.
Lt; / RTI >
Wherein each of the rotation portions comprises:
A support portion provided in each of the vertical moving portions,
A rotating body installed on the supporting part, and
A rotatable body provided on the support portion for rotating the rotatable body,
Lt; / RTI >
Wherein each of the rotating bodies comprises:
And is individually rotated by the respective rotary actuators
Driving and durability testing equipment for crawler equipment. The method of claim 1,
The horizontal movement unit
A frame portion on which the road surface forming portion is installed,
A driving unit for generating power to move the frame unit
And a driving and durability testing device for crawler equipment. 3. The method of claim 2,
The frame portion
A moving support plate installed on the driving unit, and
And a plurality of moving bodies arranged on the moving support plate along the moving direction of the horizontally moving section,
And a driving and durability testing device for crawler equipment. 4. The method of claim 3,
The moving body
A first support member provided above the movable support plate, and
A second support member disposed transversely to the first support member and having the road surface forming portion provided at both ends thereof,
And a driving and durability testing device for crawler equipment. 4. The method of claim 3,
The frame portion
And a connecting member for connecting the moving bodies arranged in plural on the moving support plate to each other. 4. The method of claim 3,
The driving unit
A supporting portion provided on the ground,
A conveyance part installed on the support part to support the movement support plate, generate a power to move the movement support plate, and
A guide portion provided on the support portion for guiding movement of the movable support plate,
And a driving and durability testing device for crawler equipment. The method of claim 6,
The conveying portion
A transfer actuator for generating power,
A rotary shaft coupled to the transport actuator and adapted to receive power from the transport actuator and to rotate;
A ball screw which is provided on the rotation shaft portion and moves to one side or the other side of the rotation shaft portion in accordance with rotation of the rotation shaft portion to move the movement support plate,
And a driving and durability testing device for crawler equipment. 8. The method of claim 7,
Wherein the transport actuator is disposed in a direction crossing the central axis of the rotary shaft portion,
And a power transmitting member for transmitting the power of the conveying actuator to the rotating shaft is provided between the conveying actuator and the rotating shaft. The method of claim 6,
The guide portion
Guide rails, and
And a guide block installed on the guide rail and moving along the guide rail to guide movement of the movable support plate,
And a device for testing the running and durability of the crawler equipment. delete The method of claim 1,
Each of the vertical moving parts
A receiving part provided in the horizontal moving part and having a receiving space inside,
A driving part installed in the receiving part and extending or protruding outward using a pressure difference of the fluid contained therein or being inserted and contracted inward;
A vertical movement member provided at an end of the driving unit to support the rotation unit,
And a driving and durability testing device for crawler equipment. 12. The method of claim 11,
The driving unit
A cylinder portion disposed in the accommodation space,
A moving shaft portion provided inside the cylinder portion and protruding outward in accordance with a pressure difference of the fluid or inserted into the cylinder portion,
A fluid supply part for supplying fluid to the inside of the cylinder part,
And a driving and durability testing device for crawler equipment. delete The method of claim 12,
The support
A first supporting member provided on the vertically moving member,
A second support member disposed on the upper side of the first support member, and
A third support member disposed on the second support member and supporting the rotation body,
And a driving and durability testing device for crawler equipment. The method of claim 14,
The rotating body
A drum rotated in a predetermined direction through the rotary actuator, and
A bearing provided on the third support member and supporting both ends of the drum,
And a device for testing the running and durability of the crawler equipment. 16. The method of claim 15,
A plurality of slots are formed around the drum,
Wherein the plurality of slots are provided with a surface forming member for realizing a surface of a road surface. delete
KR1020160003934A 2016-01-12 2016-01-12 Driving and durability testing device for crawler system KR101793590B1 (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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KR101793590B1 true KR101793590B1 (en) 2017-11-03

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CN113758730A (en) * 2020-10-15 2021-12-07 江苏徐工工程机械研究院有限公司 Crawler chassis system testing device and testing method
CN113063608A (en) * 2021-03-11 2021-07-02 徐工集团工程机械有限公司 Track roller wear test device and test method for tracked vehicle

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