CN114251330A

CN114251330A - Auxiliary device for testing tractor lifter

Info

Publication number: CN114251330A
Application number: CN202210030490.4A
Authority: CN
Inventors: 王兴洪
Original assignee: Ningbo Benye Tractor Manufacturing Co ltd
Current assignee: Ningbo Benye Tractor Manufacturing Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-03-29

Abstract

The utility model relates to a lifting mechanism test technical field discloses a tractor lifting mechanism test is with auxiliary device, the on-line screen storage device comprises a base, the mobile device is installed on the top of base, the upside of mobile device has been placed and has been placed the platform, the device under test has been placed to the upside of placing the platform, remove connecting device, both sides around all are installed to both sides around the base top remove connecting device and be the mirror image setting, testing arrangement is installed in the left side on base top, the rear side remove connecting device and include first backup pad, the second backup pad is installed to the front side of first backup pad, first hydraulic press is installed in the left side of second backup pad. The invention has the advantages that: the tractor lifter can be tested by arranging the testing device, so that the testing effect is improved, the assistance of workers is not needed, the connecting chain is always in a tight state, and the testing efficiency can be effectively improved.

Description

Auxiliary device for testing tractor lifter

Technical Field

The application relates to the technical field of lifter testing, in particular to an auxiliary device for testing a tractor lifter.

Background

The hydraulic lifter of the tractor comprises an outer lifting arm and an inner lifting arm which are connected together through a lifting arm shaft, and a piston rod which is hinged on the inner lifting arm, wherein the piston rod is connected on a piston of a hydraulic cylinder, the hydraulic cylinder is installed in a sealed lifter shell, the lifter shell comprises a lifter upper shell and a lifter lower shell, the lifter shell is used as a hydraulic oil tank, and a reversing valve installed on one side of the lifter shell controls the lifting arm to lift.

After the hydraulic lifter of the tractor is assembled, a lifting test is required to be carried out for detecting the lifting capacity and troubleshooting; the existing lifting device comprises a standard frame, a standard counter weight is arranged on the standard frame, the standard frame and a lifting arm are in hard connection through a plurality of pull rods, the lifting arm rotates to lift and fall the standard frame and the standard counter weight, and the standard frame and the standard counter weight are repeated for a plurality of times to verify whether the lifter can meet the requirement of lifting force, so that the sealing performance of the lifter and a distributor is verified.

The current hoisting device need carry out supplementary detection to it through the staff mostly when the test, especially test rope and the part that the lifting mechanism is connected, and is comparatively loaded down with trivial details, and slow speed, efficiency of software testing is lower, and staff's work load is great, still takes place danger easily when being in near testing arrangement.

Disclosure of Invention

The embodiment of the application provides an auxiliary device for testing of tractor lifting mechanism, the on-line screen storage device comprises a base, mobile device is installed on the top of base, the platform has been placed to mobile device's upside, the device under test has been placed to the upside of placing the platform, the removal connecting device is all installed to both sides around the base top, both sides around the removal connecting device is the mirror image setting, testing arrangement is installed in the left side on base top.

Furthermore, the rear side movable connecting device comprises a first supporting plate, a second supporting plate is installed on the front side of the first supporting plate, a first hydraulic machine is installed on the left side of the second supporting plate, the telescopic end of the first hydraulic machine is connected with a first supporting block, the upper side of the first supporting block is connected with a second hydraulic machine, the telescopic end of the second hydraulic machine is connected with a second supporting block, the upper side of the second supporting block is connected with a third hydraulic machine, the telescopic end of the third hydraulic machine is connected with a third supporting block, and the front side of the third supporting block is connected with a fourth supporting block.

Further, the testing device comprises two sets of third supporting plates, a placing groove is formed in the upper side of each third supporting plate, a testing rod is placed in the placing groove of each third supporting plate, a connecting chain is connected to the lower side of each testing rod, and a balancing weight is connected to the lower side of each connecting chain.

Furthermore, the viewing side of the two groups of third supporting plates is connected with a first limiting rod, and the viewing side of the two groups of third supporting plates is connected with a second limiting rod.

Furthermore, the outer wall of the test rod is connected with two groups of limiting insertion blocks, and action grooves matched with the device to be tested are formed in the lower sides of the limiting insertion blocks.

Furthermore, the front side and the rear side of the test rod are both connected with limiting action plates, and the positions of the limiting action plates are matched with the third supporting plate.

Further, the four corners of first supporting block bottom all is connected with removes the wheel, the upside of base is connected with the chute board, the upside of chute board seted up with remove wheel assorted spout.

Furthermore, the rear side of the second supporting block is connected with a clamping block, the front side of the first supporting block is connected with a clamping groove plate, and a clamping groove matched with the clamping block is formed in the front side of the clamping groove plate.

Further, the downside of the device to be tested is connected with a plurality of groups of mounting plates, the body of the mounting plates is provided with mounting screws, and the upside of the placing table is provided with limiting screws matched with the mounting screws of the mounting plates.

Furthermore, a limiting groove is formed in the upper side of the fourth supporting block, bearing clamping plates are connected to the front side and the rear side of the placing table, and the limiting groove of the fourth supporting block is matched with the bearing clamping plates.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

firstly, the tractor lifter can be tested by arranging the testing device, so that the testing effect is improved, the assistance of workers is not needed, and the connecting chain is always in a tight state, so that the testing efficiency can be effectively improved;

secondly, the device to be tested can be driven to move to the lower side of the testing device to be tested by arranging the movable connecting device, so that the workload of workers is reduced, the device can be subjected to assembly line testing, and manual assistance is not needed;

thirdly, the limiting insertion block is conveniently and quickly connected with the device to be tested by arranging the action groove, the connecting speed of the limiting insertion block and the device to be tested is improved, the sliding groove plate is matched with the moving wheel to assist the first supporting block to move, the first hydraulic press is prevented from being damaged by the weight borne by the first supporting block, and the clamping block is matched with the clamping groove plate to limit the second supporting block and assist the second supporting block to bear the weight.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a mobile connection device according to the present invention;

FIG. 3 is a schematic structural diagram of a testing apparatus according to the present invention;

FIG. 4 is a top view of the present invention;

fig. 5 is a side view of the present invention.

In the figure: 100. a base; 200. a mobile device; 300. a placing table; 310. a load-bearing clamping plate; 400. a device under test; 410. mounting a plate; 500. a mobile connection device; 510. a first support plate; 520. a second support plate; 530. a first hydraulic machine; 540. a first support block; 541. a moving wheel; 542. a chute plate; 550. a second hydraulic machine; 560. a second support block; 561. a slot clamping plate; 570. a third hydraulic press; 580. a third support block; 590. a fourth support block; 600. a testing device; 610. a third support plate; 620. a test rod; 630. connecting a chain; 640. a balancing weight; 650. a first limit rod; 660. a second limiting rod; 670. limiting the inserting block; 680. limiting action plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

This embodiment, as shown in fig. 1 to 5, an auxiliary device is used in test of tractor lifting mechanism, including base 100, mobile device 200 is installed on the top of base 100, mobile device 200's upside has been placed and has been placed platform 300, the upside of placing platform 300 has been placed the device under test 400, the device under test 400 is the common tractor lifting mechanism in market, remove connecting device 500 is all installed to both sides around the base 100 top, it is responsible for removing to the device under test 400 to test 600 to remove connecting device 500, the device under test 400 passes through testing arrangement 600 and tests the lifting power, both sides remove connecting device 500 around and are the mirror image setting, testing arrangement 600 is installed in the left side on base 100 top.

Specifically, the rear-side movable connecting device 500 comprises a first support plate 510, a second support plate 520 is mounted on the front side of the first support plate 510, a first hydraulic machine 530 is mounted on the left side of the second support plate 520, the first hydraulic machine 530 is parallel to the ground, a first support block 540 is connected to the telescopic end of the first hydraulic machine 530, a second hydraulic machine 550 is connected to the upper side of the first support block 540, the second hydraulic machine 550 is perpendicular to the ground, a second support block 560 is connected to the telescopic end of the second hydraulic machine 550, a third hydraulic machine 570 is connected to the upper side of the second support block 560, the third hydraulic machine 570 is parallel to the ground, the device 400 to be tested is driven to move left and right by the first hydraulic machine 530, the device 400 to be tested is driven to move up and down by the second hydraulic machine 550, the device 400 to be tested is fixed and clamped by the third hydraulic machine 570, a third support block 580 is connected to the telescopic end of the third hydraulic machine 570, the front side of the third supporting block 580 is connected with a fourth supporting block 590, the device under test 400 can be driven to move to the lower side of the testing device 600 for testing by arranging the movable connecting device 500, the testing device 600 comprises two groups of third supporting plates 610, the upper sides of the two groups of third supporting plates 610 are provided with placing grooves, the testing rods 620 are placed inside the placing grooves of the two groups of third supporting plates 610, the lower sides of the testing rods 620 are connected with connecting chains 630, the lower sides of the connecting chains 630 are connected with balancing weights 640, the tractor lifter can be tested by arranging the testing device 600, the testing effect is improved, workers do not need to assist by side, the connecting chains 630 are always in a tight state, the testing efficiency can be effectively improved, the viewing sides of the two groups of third supporting plates 610 are connected with first limiting rods 650, the testing rods 620, the second limiting rods 660 and the first limiting rods 650 are arranged in a triangle shape, the two groups of third supporting plates 610 are connected with a second limiting rod 660 at the viewing side, the outer walls of the second limiting rod 660 and the first limiting rod 650 can be provided with limiting sleeves for connecting the chain 630, so as to prevent the chain 630 from displacement and shaking during use and avoid influencing the test work of the device 400 to be tested, the second limiting rod 660 and the first limiting rod 650 are arranged to limit the chain 630, so that the weight of the balancing weight 640 is borne by the second limiting rod 660 without damaging the device 400 to be tested, the device 400 to be tested only needs to test the lifting force, the outer wall of the testing rod 620 is connected with two groups of limiting insertion blocks 670, the lower sides of the limiting insertion blocks 670 are provided with action grooves matched with the device 400 to be tested, the limiting insertion blocks 670 and the device 400 to be tested are conveniently and rapidly connected by the action grooves, the connecting speed of the device to be tested and the device 400 to be tested is improved, the front side and the back side of the testing rod 620 are both connected with limiting action plates 680, the position of the limiting action plate 680 is matched with the third support plate 610, the position of the test rod 620 is limited by the limiting action plate 680, the test rod 620 is prevented from being separated from the third support plate 610, the limiting action plate 680 does not contact the third support plate 610 in the using process, the test of the device 400 to be tested is prevented from being influenced, the four corners of the bottom end of the first support block 540 are respectively connected with a movable wheel 541, the upper side of the base 100 is connected with a chute plate 542, the upper side of the chute plate 542 is provided with a chute matched with the movable wheel 541, the first support block 540 is assisted to move by arranging the chute plate 542 to be matched with the movable wheel 541, the first hydraulic press 530 is prevented from being damaged by the weight borne by the first support block 540, the rear side of the second support block 560 is connected with a clamping block, the front side of the first support plate 510 is connected with a clamping groove plate 561, the front side of the clamping groove plate 561 is provided with a clamping groove matched with the clamping block, the second support block 560 is limited by arranging the clamping block and the clamping groove plate 561, the auxiliary second supporting block 560 bears the load, the lower side of the device under test 400 is connected with a plurality of groups of mounting plates 410, the mounting plates 410 are provided with mounting screw holes for the body of the screw hole seat mounting plate 410 used for fixing the lifter on the tractor chassis, the upper side of the placing table 300 is provided with limiting screw holes matched with the mounting screw holes of the mounting plates 410, the device under test 400 is quickly connected with the placing table 300 by arranging the mounting plates 410, the detection speed is improved, the upper side of the fourth supporting block 590 is provided with limiting grooves, the front side and the rear side of the placing table 300 are both connected with bearing clamping plates 310, the limiting grooves of the fourth supporting block 590 are matched with the bearing clamping plates 310, the placing table 300 can be quickly connected with the movable connecting device 500 by arranging the bearing clamping plates 310, the device under test 400 exerts pressure on the placing table 300, the placing table 300 exerts pressure on the bearing clamping plates 310, and limits the bearing clamping plates 310 by the fourth supporting block 590, when the device to be tested 400 is pressed down to incline and drive the placing table 300 to incline, the fourth supporting block 590 limits the bearing clamping plate 310 and then completes the bearing of the device to be tested 400, in order to prevent the bearing clamping plate 310 from being separated from the fourth supporting block 590, the thickness of the fourth supporting block 590 can be increased, the bearing clamping plate 310 is made to go deep into the limiting groove of the fourth supporting block 590, and the running stability of the device is improved.

The working process of the invention is as follows: when the device to be tested 400 is used, the device to be tested 400 is fixed on the placing table 300 through the mounting plate 410, the mounting plate 410 is a screw hole seat for a lifter to be fixed on a tractor chassis, the placing table 300 is placed on the upper side of the moving device 200, the moving device 200 is started, the placing table 300 is driven to move through the moving device 200, the device to be tested 400 is driven to move to the viewing sides of the two sets of mobile connecting devices 500 through the placing table 300, the third hydraulic machine 570 is started, the third supporting block 580 and the fourth supporting block 590 are driven to be close to the placing table 300 through the third hydraulic machine 570, the second hydraulic machine 550 is started, the second supporting block 560 is driven to move up and down through the second supporting block 560, the third supporting block 580 and the fourth supporting block 590 are driven to move up and down through the fourth supporting block 590, the bearing clamping plate 310 is clamped on the lower side, the bearing clamping plate 310 and the placing table 300 are driven to be separated from the moving device 200 through the fourth supporting block 590 to move, the first hydraulic machine 530 is started, the first supporting block 540 is driven to move left and right by the first hydraulic machine 530, the third supporting block 580 and the fourth supporting block 590 are driven to move left and right by the first supporting block 540, the device to be tested 400 and the placing table 300 are driven to move to the lower side of the testing device 600 by the movable connecting device 500, the connection between the device to be tested 400 and the testing rod 620 is completed by inserting the lifting arm of the device to be tested 400 into the limit inserting block 670, the device to be tested 400 is started, the testing rod 620 is driven to move upwards by the lifting arm of the device to be tested 400, the testing rod 620 drives the connecting chain 630 and the balancing weight 640 to move upwards, the testing of the device to be tested 400 is completed, the connecting chain 630 bypasses the lower side of the first limiting rod 650 and the upper side of the second limiting rod 660 to be perpendicular to the ground, the connecting chain 630 is always in a tight state, and even if the device to be tested 400 is stopped by the placing groove of the third supporting plate 610 when the testing rod 620 returns to the original position, further keeping the connecting chain 630 in a tight state, when the connecting chain 630 drives the counterweight block 640 to move left and right, the moving wheel 541 assists the first supporting block 540 to move under the limit of the sliding groove plate 542, so as to prevent the first hydraulic press 530 from being damaged by the weight borne by the first supporting block 540, when the second supporting block 560 moves up and moves left, the fixture block of the second supporting block 560 moves inside the fixture groove of the fixture groove plate 561, the second supporting block 560 is limited by the cooperation of the fixture block and the fixture groove plate 561, so as to assist the second supporting block 560 to bear weight, the position of the testing rod 620 is limited by the limiting action plate 680, so as to prevent the testing rod 620 from separating from the third supporting plate 610, the limiting action plate 680 does not contact the third supporting plate 610 during use, so as to prevent the testing of the device under test 400 from being affected, the outer walls of the second limiting rod 660 and the first limiting rod 650 can be provided with a limiting sleeve for the connecting chain 630, the connecting chain 630 is prevented from displacement and shaking during use, and the influence on the test of the device under test 400 is avoided, the device under test 400 applies pressure to the placing table 300 during the test, the placing table 300 applies pressure to the bearing card 310, the bearing card 310 is limited by the fourth supporting block 590, when the device under test 400 is pressed downwards and inclined to drive the placing table 300 to incline, the fourth support block 590 limits the load-bearing card 310 to complete the load-bearing of the dut 400, and in order to prevent the load-bearing card 310 from disengaging from the fourth support block 590, the thickness of the fourth supporting block 590 can be increased to make the bearing clamping plate 310 go deep into the limiting groove of the fourth supporting block 590, so as to improve the operation stability of the device, the device 400 to be tested returns to the original position with the placing table 300 after the test is finished, and then shift out through mobile device 200, this device use in-process can carry out the assembly line test, need not artifical supplementary.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides an auxiliary device is used in test of tractor raiser which characterized in that: including base (100), mobile device (200) are installed on the top of base (100), place platform (300) to the upside of mobile device (200), to be tested device (400) have been placed to the upside of placing platform (300), remove connecting device (500) are all installed to both sides around base (100) top, both sides around remove connecting device (500) and be the mirror image setting, testing arrangement (600) are installed in the left side on base (100) top.

2. The auxiliary device for testing the tractor lifter according to claim 1, wherein: the rear side movable connecting device (500) comprises a first supporting plate (510), a second supporting plate (520) is installed on the front side of the first supporting plate (510), a first hydraulic machine (530) is installed on the left side of the second supporting plate (520), the telescopic end of the first hydraulic machine (530) is connected with a first supporting block (540), the upper side of the first supporting block (540) is connected with a second hydraulic machine (550), the telescopic end of the second hydraulic machine (550) is connected with a second supporting block (560), the upper side of the second supporting block (560) is connected with a third hydraulic machine (570), the telescopic end of the third hydraulic machine (570) is connected with a third supporting block (580), and the front side of the third supporting block (580) is connected with a fourth supporting block (590).

3. The auxiliary device for testing the tractor lifter according to claim 1, wherein: testing arrangement (600) is including two sets of third backup pads (610), and is two sets of the standing groove has been seted up to the upside of third backup pad (610), and is two sets of test bar (620) have been placed to the inside of third backup pad (610) standing groove, the downside of test bar (620) is connected with connection chain (630), the downside of connecting chain (630) is connected with balancing weight (640).

4. The auxiliary device for testing the tractor lifter according to claim 3, wherein: the side of looking mutually of two sets of third backup pad (610) is connected with first gag lever post (650), and two sets of the side of looking mutually of third backup pad (610) is connected with second gag lever post (660).

5. The auxiliary device for testing the tractor lifter according to claim 3, wherein: the outer wall of test bar (620) is connected with two sets of spacing inserted blocks (670), the downside of spacing inserted block (670) is seted up and is acted on the groove with device under test (400) assorted.

6. The auxiliary device for testing the tractor lifter according to claim 3, wherein: the front side and the rear side of the test rod (620) are both connected with limiting action plates (680), and the positions of the limiting action plates (680) are matched with the third support plate (610).

7. The auxiliary device for testing the tractor lifter according to claim 2, wherein: the four corners of first braced block (540) bottom all is connected with removes wheel (541), the upside of base (100) is connected with chute board (542), the upside of chute board (542) seted up with remove wheel (541) assorted spout.

8. The auxiliary device for testing the tractor lifter according to claim 2, wherein: the rear side of the second supporting block (560) is connected with a clamping block, the front side of the first supporting plate (510) is connected with a clamping groove plate (561), and a clamping groove matched with the clamping block is formed in the front side of the clamping groove plate (561).

9. The auxiliary device for testing the tractor lifter according to claim 1, wherein: the device to be tested (400) is characterized in that a plurality of groups of mounting plates (410) are connected to the lower side of the device to be tested, mounting screw holes are formed in the body of each mounting plate (410), and limiting screw holes matched with the mounting screw holes of the mounting plates (410) are formed in the upper side of the placing table (300).

10. The auxiliary device for testing the tractor lifter according to claim 2, wherein: the upper side of the fourth supporting block (590) is provided with a limiting groove, the front side and the rear side of the placing table (300) are both connected with bearing clamping plates (310), and the limiting groove of the fourth supporting block (590) is matched with the bearing clamping plates (310).