CN214667656U - Hydraulic motor counter-torque testing device - Google Patents

Abstract

The utility model discloses a hydraulic motor is to turning round testing arrangement, including testing arrangement, hydraulic motor body and testboard, hydraulic motor body and testing arrangement arrange in on the testboard, the testboard is close to the last lateral wall of hydraulic motor body and passes through a plurality of branch fixedly connected with crossbeams, the lateral wall that the crossbeam is close to the testboard is seted up flutedly, the recess internal rotation is connected with lead screw and square pole, be equipped with a plurality of silk wraps on the lead screw, the first motor of lead screw fixedly connected with, square pole fixedly connected with second motor. The utility model has the advantages of, can dock infusion head and infusion mouth automatically through the fixed plate, the butt joint process does not need manual operation, and consequently whole testing arrangement's degree of automation is higher, can effectual reduction labour resource, reduces economic cost, and test procedure save time, improves the efficiency of hydraulic motor body torque test, convenient to use.

Description

Hydraulic motor counter-torque testing device

Technical Field

The utility model relates to a hydraulic motor tests technical field, especially relates to a hydraulic motor is to turning round testing arrangement.

Background

With the rapid development of hydraulic technology, hydraulic motors are increasingly used in the fields of engineering machinery, ship industry, walking machinery and the like. The test of the hydraulic motor is also paid attention gradually, and the workload of the test is increased continuously while the performance of the hydraulic motor is ensured. The testing speed is not high, and the productivity and the benefit of hydraulic motor manufacturers and maintenance enterprises are influenced to different degrees.

The hydraulic motor testing device is mainly used for hydraulic motor manufacturers to perform hydraulic motor type tests on products, the existing testing device needs to convey hydraulic pressure into a hydraulic motor when testing the torque force of the hydraulic motor, the hydraulic motor hydraulic conveying port is basically connected through manual operation, time is wasted, the testing efficiency of the hydraulic motor torque test is reduced, the fault tolerance rate of the manual butt joint hydraulic conveying port is low, a hydraulic interface of the hydraulic motor is not sealed, and the testing data of the hydraulic motor are inaccurate.

For this reason, we propose a hydraulic motor torque-to-torque testing device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the slow and low scheduling problem of fault-tolerant rate of efficiency of the hydraulic pressure mouth of manual connection hydraulic motor among the prior art, and a hydraulic motor antitorque song device that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hydraulic motor torque testing device comprises a testing device, a hydraulic motor body and a testing platform, the hydraulic motor body and the testing device are arranged on a testing platform, the testing platform is close to the upper side wall of the hydraulic motor body and is fixedly connected with a cross beam through a plurality of supporting rods, the side wall of the cross beam close to the test board is provided with a groove, a lead screw and a square rod are rotationally connected in the groove, a plurality of screw sleeves are arranged on the screw rod, the screw rod is fixedly connected with a first motor, the square rod is fixedly connected with a second motor, a fixing plate is fixedly connected to the side wall of each screw sleeve close to the test board, the square pole runs through a plurality of fixed plates, the lateral wall sealing connection that the testboard was kept away from to the hydraulic motor body has a plurality of infusion mouths, and is a plurality of the one end sliding connection that the fixed plate is close to the infusion mouth has the infusion head, every the one end sealing connection that the infusion mouth was kept away from to the infusion head has the transfer line.

Preferably, a first inner groove is formed in each fixing plate, a rotating cylinder and a plurality of rotating cylinders are rotatably connected in each first inner groove, each rotating cylinder is provided with a polygonal opening, and the polygonal openings are matched with the infusion heads.

Preferably, the outer side wall of each rotary drum is connected with a worm wheel in a clamping mode, a worm matched with the worm wheel is rotationally connected in each first inner groove, each fixing plate is provided with a second inner groove, one end, extending into the second inner groove, of each worm is fixedly connected with a first bevel gear, a second bevel gear matched with the first bevel gear is rotationally connected in each second inner groove, and each second bevel gear is provided with a square opening matched with the square rod.

Preferably, a plurality of sliding grooves are formed in the side wall, close to the rotating drum, of each worm wheel, a sliding block is connected to each sliding groove in a clamping mode through a pressure spring, an arc-shaped groove is formed in the portion, close to the sliding block, of each rotating drum, the sliding blocks abut against the arc-shaped grooves, and an annular groove is formed in the portion, close to the arc-shaped grooves, of each rotating drum.

Preferably, the part of the test bench, which is close to the hydraulic motor body, is provided with a clamping seat, and the threads at the two ends of the lead screw are opposite.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the infusion head and the infusion port can be automatically butted through the fixing plate, manual operation is not needed in the butting process, so that the automation degree of the whole testing device is higher, labor resources can be effectively reduced, the economic cost is reduced, the time is saved in the testing process, the torque testing efficiency of the hydraulic motor body is improved, and the use is convenient;

2. through slider and arc wall can avoid the idle running of second motor after infusion head and infusion mouth pass through the thread tightening, guarantee the life of second motor, can restrict the slip of slider through the ring channel, avoid the slider dislocation, can fix the position of hydraulic motor body through the joint seat, avoid the hydraulic motor body to misplace when the test, guarantee hydraulic motor's efficiency of software testing.

Drawings

Fig. 1 is a schematic structural diagram of a hydraulic motor torque testing device provided by the present invention;

fig. 2 is a schematic structural view of a fixing plate, a cross beam and other structures of the hydraulic motor torsion testing device provided by the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

fig. 4 is a schematic structural diagram of a fixing plate and an infusion head of a hydraulic motor torque-pair testing device according to the present invention.

In the figure: the device comprises a test bench 1, a hydraulic motor body 2, a test device 3, a support rod 4, a cross beam 5, a lead screw 6, a square rod 7, a thread sleeve 8, a first motor 9, a second motor 10, a fixing plate 11, a transfusion port 12, a transfusion head 13, a rotary drum 14, a worm wheel 15, a worm 16, a first bevel gear 17, a second bevel gear 18, a pressure spring 19, a sliding block 20, an annular groove 21 and a clamping seat 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a hydraulic motor torque testing device comprises a testing device 3, a hydraulic motor body 2 and a testing platform 1, wherein the hydraulic motor body 2 and the testing device 3 are arranged on the testing platform 1, the upper side wall of the testing platform 1 close to the hydraulic motor body 2 is fixedly connected with a cross beam 5 through a plurality of supporting rods 4, the side wall of the cross beam 5 close to the testing platform 1 is provided with a groove, the groove is connected with a lead screw 6 and a square rod 7 in a rotating manner, the lead screw 6 is provided with a plurality of screw sleeves 8, the lead screw 6 is fixedly connected with a first motor 9, the square rod 7 is fixedly connected with a second motor 10, the side wall of each screw sleeve 8 close to the testing platform 1 is fixedly connected with a fixing plate 11, the square rod 7 penetrates through a plurality of fixing plates 11, the side wall of the hydraulic motor body 2 far from the testing platform 1 is connected with a plurality of transfusion ports 12 in a sealing manner, and one ends of the plurality of the fixing plates 11 close to the transfusion ports 12 are connected with a transfusion head 13 in a sliding manner, one end of each infusion head 13, which is far away from the infusion port 12, is hermetically connected with an infusion tube, the infusion heads 13 can be automatically butted with the infusion ports 12 through the fixing plate 11, and manual operation is not needed in the butting process, so that the automation degree of the whole testing device 3 is higher, labor resources can be effectively reduced, the economic cost is reduced, the time is saved in the testing process, the torque testing efficiency of the hydraulic motor body 2 is improved, and the use is convenient;

each fixing plate 11 is internally provided with a first inner groove, each first inner groove is rotationally connected with a rotary drum 14, a plurality of rotary drums 14 are arranged, each rotary drum 14 is provided with a polygonal opening which is matched with the infusion head 13, the outer side wall of each rotary drum 14 is connected with a worm gear 15 in a clamping way, each first inner groove is rotationally connected with a worm 16 matched with the worm gear 15, each fixing plate 11 is provided with a second inner groove, one end of each worm 16 extending into the second inner groove is fixedly connected with a first bevel gear 17, each second inner groove is rotationally connected with a second bevel gear 18 matched with the first bevel gear 17, each second bevel gear 18 is provided with a square opening matched with the square rod 7, the side wall of each worm gear 15 close to the rotary drum 14 is provided with a plurality of sliding grooves, each sliding groove is connected with a sliding block 20 in a clamping way through a pressure spring 19, and the part of each rotary drum 14 close to the sliding block 20 is provided with an arc-shaped groove, a plurality of sliders 20 offset with a plurality of arc walls, annular groove 21 has been seted up to the part that rotary drum 14 is close to a plurality of arc walls, the part that testboard 1 is close to hydraulic motor body 2 is equipped with joint seat 22, the screw thread at lead screw 6 both ends is opposite, can avoid second motor 10 idle running through slider 20 and arc wall after infusion head 13 and infusion mouth 12 pass through the thread tightening, guarantee second motor 10's life, can restrict slider 20's slip through annular groove 21, avoid slider 20 dislocation, can fix hydraulic motor body 2's position through joint seat 22, avoid hydraulic motor body 2 dislocation when the test, guarantee hydraulic motor's efficiency of software testing.

When the utility model is used for testing the hydraulic motor body 2, the hydraulic motor body 2 is fixed on the clamping seat 22, the output shaft of the hydraulic motor body 2 is butted with the testing device 3, the first motor 9 is started, the first motor 9 drives the lead screw 6 to rotate, because the thread directions at the two ends of the lead screw 6 are opposite, therefore, the moving directions of the plurality of screw sleeves 8 are opposite, the screw sleeves 8 drive the fixing plates 11 to move, thereby controlling the transfusion heads 13 on the plurality of fixing plates 11 to be opposite to the plurality of transfusion ports 12, the first motor 9 is closed to start the second motor 10 after being opposite, the second motor 10 drives the square rod 7 to rotate, the square rod 7 drives the second bevel gear 18 to rotate through the square port, the second bevel gear 18 drives the worm 16 to rotate through the first bevel gear 17, the worm 16 drives the worm gear 15 to rotate, the worm gear 15 drives the rotary drum 14 to rotate through the plurality of sliders 20, the plurality of rotary drums 14 drive the plurality of transfusion heads 13 to rotate, thereby make infusion head 13 and infusion mouth 12 pass through the thread engagement, after infusion head 13 meshes the certain degree with infusion mouth 12, infusion mouth 12 then can not rotate, and a plurality of sliders 20 slide to this moment worm wheel 15 rotation on the ring channel 21 in the arc wall gradually, with this avoid second motor 10 idle running, thereby prolong second motor 10's life, begin to carry out hydraulic motor's test after infusion head 13 seals up with infusion mouth 12, start second motor 10 after the test and let second motor 10 reversal can be with infusion head 13 and infusion mouth 12 separation, whole testing process does not need the manual work to carry out the connection of infusion head 13 and infusion mouth 12, hydraulic motor body 2's efficiency of software testing has been improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The hydraulic motor antitorque testing device comprises a testing device (3), a hydraulic motor body (2) and a testing platform (1), and is characterized in that the hydraulic motor body (2) and the testing device (3) are arranged on the testing platform (1), the upper side wall of the testing platform (1) close to the hydraulic motor body (2) is fixedly connected with a cross beam (5) through a plurality of supporting rods (4), the side wall of the cross beam (5) close to the testing platform (1) is provided with a groove, a lead screw (6) and a square rod (7) are rotationally connected in the groove, a plurality of wire sleeves (8) are arranged on the lead screw (6), the lead screw (6) is fixedly connected with a first motor (9), the square rod (7) is fixedly connected with a second motor (10), and each wire sleeve (8) is close to the side wall of the testing platform (1) and is fixedly connected with a fixing plate (11), square pole (7) run through a plurality of fixed plates (11), the lateral wall sealing connection that testboard (1) was kept away from in hydraulic motor body (2) has a plurality of infusion mouths (12), and is a plurality of the one end sliding connection that fixed plate (11) are close to infusion mouth (12) has infusion head (13), every the one end sealing connection that infusion mouth (12) were kept away from in infusion head (13) has the transfer line.

2. The hydraulic motor torque testing device according to claim 1, wherein a first inner groove is formed in each fixing plate (11), a rotating cylinder (14) is rotatably connected in each first inner groove, a plurality of rotating cylinders (14) are arranged, each rotating cylinder (14) is provided with a polygonal opening, and the polygonal openings are matched with the infusion heads (13).

3. The hydraulic motor torque-pair testing device according to claim 2, wherein a worm wheel (15) is connected to the outer side wall of each rotary drum (14) in a clamped mode, a worm (16) matched with the worm wheel (15) is connected in each first inner groove in a rotating mode, each fixing plate (11) is provided with a second inner groove, a first bevel gear (17) is fixedly connected to one end, extending into the second inner groove, of the plurality of worms (16), a second bevel gear (18) matched with the first bevel gear (17) is connected in each second inner groove in a rotating mode, and each second bevel gear (18) is provided with a square opening matched with the square rod (7).

4. The hydraulic motor torque testing device according to claim 3, wherein each worm gear (15) is provided with a plurality of sliding grooves near the side wall of the rotating cylinder (14), each sliding groove is internally connected with a sliding block (20) through a pressure spring (19) in a clamping manner, the part of each rotating cylinder (14) near the sliding block (20) is provided with an arc-shaped groove, the plurality of sliding blocks (20) are abutted against the plurality of arc-shaped grooves, and the part of the rotating cylinder (14) near the plurality of arc-shaped grooves is provided with an annular groove (21).

5. The hydraulic motor torque testing device according to claim 1, wherein a clamping seat (22) is arranged at a part of the testing platform (1) close to the hydraulic motor body (2), and threads at two ends of the lead screw (6) are opposite.

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