CN220251592U

CN220251592U - Portable hydraulic loading device

Info

Publication number: CN220251592U
Application number: CN202321501074.4U
Authority: CN
Inventors: 陈彬; 岳慧平
Original assignee: Shaanxi Pengyuan Shengda Construction Engineering Co ltd
Current assignee: Shaanxi Pengyuan Shengda Construction Engineering Co ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-12-26
Anticipated expiration: 2033-06-13

Abstract

The utility model provides a portable hydraulic loading device, which comprises a supporting seat, wherein a test bed is arranged at the top of the supporting seat, a footstock is fixed on the surface of the test bed through an upright post, a hydraulic cylinder is arranged on the footstock, the output end of the hydraulic cylinder penetrates through the footstock and is connected with a movable rod, a pressing plate is arranged at the bottom of the movable rod, a base is fixed at the bottom of the supporting seat, universal wheels are arranged at the bottom of the base, four groups of supporting components are square on the base, each supporting component comprises an L-shaped supporting plate, a threaded rod and a movable block, the movable block is arranged on the base in a penetrating way, and a thread groove is formed in the movable block.

Description

Portable hydraulic loading device

Technical Field

The utility model relates to the field of hydraulic tests, in particular to a portable hydraulic loading device.

Background

The mechanical testing machine is required to be used in the mechanical property test of metal and nonmetal materials, and is mainly used for carrying out the property test on the materials by applying certain pressure to the materials through a hydraulic device; the existing part of mechanical testing machine is large in size, inconvenient to move, only capable of being used in a laboratory, and the material is required to be sent to the laboratory when the material needs to be tested, so that inconvenience is brought to the whole test measurement, the application range of the machine is limited, and the practicability of the device is reduced;

publication number CN217786749U discloses a portable mechanical properties testing machine, relates to mechanical properties testing machine technical field, and this portable mechanical properties testing machine includes the base, and the top fixed mounting of base has the test bench, and the top fixed mounting of two sets of track boards has the roof, and the top fixed mounting of roof has the handle. This portable mechanical properties testing machine can make the device carry out simple test to the material through track board and slide mechanism, realizes that the device can carry out test under portable condition, has solved current partial mechanical properties testing machine because bulky, be inconvenient for remove, can only be used for in the laboratory, need send the material to the laboratory when testing, has brought inconvenient problem for whole experimental measurement, has improved the flexibility of device, has promoted the practicality of device.

When the device is used, the pressing block is driven to move downwards only by manually rotating the threaded rod to apply pressure to the material to be tested, and the type of the material which can be tested by the device is limited due to the fact that the pressure value which can be applied by the manual work is limited.

Accordingly, there is a need to provide a new portable hydraulic loading device that solves the above-mentioned technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the portable hydraulic loading device, which solves the problem that in the prior art, when the portable hydraulic loading device is used, the pressing block is driven to move downwards only by manually rotating the threaded rod to apply pressure to a material to be tested, and the material types which can be tested by the portable hydraulic loading device are very limited due to the fact that the pressure value which can be applied by the manual work is very limited.

The portable hydraulic loading device comprises a supporting seat, wherein a test bed is arranged at the top of the supporting seat, a top seat is fixed on the surface of the test bed through a stand column, a hydraulic cylinder is arranged on the top seat, the output end of the hydraulic cylinder penetrates through the top seat and is connected with a movable rod, and a pressing plate is arranged at the bottom of the movable rod;

the support base is characterized in that a base is fixed at the bottom of the support base, universal wheels are arranged at the bottom of the base, and four groups of support assemblies are arranged on the base in a square shape.

In a preferred embodiment, the supporting component comprises an L-shaped supporting plate, a threaded rod and a moving block, wherein the moving block is arranged on the base in a penetrating manner, and a thread groove is formed in the moving block;

the L-shaped support plate is provided with the threaded rod between the movable block, the threaded rod is movably connected with the L-shaped support plate through a bearing, and the bottom of the threaded rod is in threaded connection with a thread groove inside the movable block.

In a preferred embodiment, two groups of transmission assemblies are arranged above the base at intervals, the transmission assemblies comprise limiting seats which are fixed on the base at intervals, a connecting shaft is arranged between the limiting seats, and two ends of the connecting shaft are connected with worms;

one side of the worm is provided with a turbine, and the turbine is meshed with the worm.

In a preferred embodiment, one ends of the worms far away from the connecting shaft penetrate through the limiting seat and are connected with chain wheels, and the two chain wheels are connected through a chain.

In a preferred embodiment, the base is provided with a motor, the output end of the motor is provided with a first bevel gear, the connecting shaft is provided with a second bevel gear, and the second bevel gear is meshed with the first bevel gear.

In a preferred embodiment, a circular plate type weighing force sensor is arranged on the test stand.

In a preferred embodiment, a trapezoid block is fixed to the bottom of the moving block.

The utility model has the beneficial effects that:

1. when the device to be tested is used, the device to be tested is placed on the test bed, the output end of the hydraulic cylinder descends to drive the pressing plate to move towards the object to be tested so as to carry out extrusion experiments on the object to be tested, the limit of the force which can be applied by the device can be greatly improved through the hydraulic cylinder, and various materials to be tested can be tested;

2. through setting up the portability of this device of universal wheel greatly increased in the base bottom, and in order to guarantee this device has sufficient stability when the experiment, the staff can open the motor this moment for the trapezoidal piece supports this device, and this device has very big frictional force with ground this moment under the gravity effect of self, therefore the stability of this device when can greatly increased experiment, and then improves the accuracy of experimental data.

Drawings

FIG. 1 is a perspective view of the main structure of a portable hydraulic loading device provided by the utility model;

FIG. 2 is a plan view of the overall structure of the portable hydraulic loading device provided by the utility model;

fig. 3 is a schematic structural diagram of a moving block according to the present utility model.

Reference numerals in the drawings: 1. a support base; 2. a test bed; 3. a column; 4. a top base; 5. a hydraulic cylinder; 6. a moving rod; 7. a pressing plate; 8. a base; 9. a universal wheel; 10. an L-shaped support plate; 11. a threaded rod; 12. a moving block; 13. a thread groove; 14. a trapezoid block; 15. a limit seat; 16. a connecting shaft; 17. a worm; 18. a turbine; 19. a sprocket; 20. a chain; 21. a motor; 22. a first bevel gear; 23. a second bevel gear; 24. circular plate type weighing force transducer.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, and fig. 3 in combination, fig. 1 is a perspective view of a main structure of a portable hydraulic loading device according to the present utility model; FIG. 2 is a plan view of the overall structure of the portable hydraulic loading device provided by the utility model; fig. 3 is a schematic structural diagram of a moving block according to the present utility model.

In a specific implementation process, as shown in fig. 1-3, a supporting seat 1, a test bed 2 is installed at the top of the supporting seat 1, a footstock 4 is fixed on the surface of the test bed 2 through a stand column 3, a hydraulic cylinder 5 is installed on the footstock 4, the output end of the hydraulic cylinder 5 penetrates through the footstock 4 and is connected with a movable rod 6, a pressing plate 7 is installed at the bottom of the movable rod 6, and when the device to be tested is placed on the test bed 2, the pressing plate 7 can be driven to move towards the object to be tested through the descending of the output end of the hydraulic cylinder 5 so as to carry out extrusion experiments on the object to be tested.

The supporting seat 1 bottom is fixed with base 8, the base 8 bottom is provided with universal wheel 9, be square on the base 8 and be provided with four sets of supporting component, supporting component includes L shape backup pad 10, threaded rod 11 and movable block 12, movable block 12 tubular setting is on base 8, refer to fig. 1, this movable block 12 and base 8 sliding connection, and movable block 12 is the rectangle, guarantee only can take place relative rotation between movable block 12 and the base 8, threaded slot 13 has been seted up to movable block 12 inside, be provided with threaded rod 11 between L shape backup pad 10 and the movable block 12, pass through bearing swing joint between threaded rod 11 and the L shape backup pad 10, threaded rod 11 bottom and the inside threaded slot 13 threaded connection of movable block 12, the movable block 12 bottom is fixed with trapezoidal piece 14, increase the area of contact with the ground, improve the stability of device.

Two sets of transmission components are arranged above the base 8 at intervals, the transmission components comprise spacing seats 15 which are fixed on the base 8 at intervals, connecting shafts 16 are arranged between the spacing seats 15, two ends of each connecting shaft 16 are connected with worm shafts 17, one side of each worm shaft 17 is provided with a worm wheel 18, each worm shaft 18 is meshed with each worm shaft 17, one ends of a plurality of worm shafts 17, which are far away from the connecting shafts 16, penetrate through the spacing seats 15 and are connected with chain wheels 19, the two chain wheels 19 are connected through chains 20, under the transmission action of the chain wheels 19 and the chains 20, the two connecting shafts 16 simultaneously rotate to drive the plurality of worm shafts 17 to simultaneously rotate, and as the worm shafts 17 are meshed with the worm shafts 18, the worm shafts 18 rotate along with the worm shafts to drive threaded rods 11 to move, and the moving blocks 12 are driven by the threaded rods 11 to relatively slide with the base 8.

The motor 21 is installed on the base 8, the first bevel gear 22 is installed at the output end of the motor 21, the second bevel gear 23 is installed on the connecting shaft 16, the second bevel gear 23 is meshed with the first bevel gear 22, the motor 21 is turned on, and the connecting shaft 16 can be driven to rotate under the transmission action of the first bevel gear 22 and the second bevel gear 23.

The test bed 2 is provided with a circular plate type weighing force transducer 24, the specific model of the transducer is N10B, the N10B type transducer is made of stainless steel, the circular plate type transducer has a circular plate type structure, and the middle bump compression force is measured, so that the transducer is suitable for the force measuring field of various servo press-fit machines such as an air press-fit machine, a hydraulic press-fit machine and the like.

The working principle of the utility model is as follows: when the device to be tested is used, the device to be tested is placed on the test bed 2, and the output end of the hydraulic cylinder 5 descends to drive the pressing plate 7 to move towards the object to be tested so as to carry out extrusion test on the object to be tested;

through setting up the portability of this device at base 8 bottom but the universal wheel 9 greatly increased, and in order to guarantee this device has sufficient stability when the experiment, the staff can open motor 21 this moment, under the transmission effect of first bevel gear 22 and second bevel gear 23, connecting axle 16 rotates, under the transmission effect of sprocket 19 and chain 20, two connecting axles 16 rotate simultaneously and drive a plurality of worms 17 and rotate simultaneously, because worm 17 meshes with turbine 18, turbine 18 can follow the rotation and then drive threaded rod 11 and remove, drive movable block 12 at threaded rod 11 can move downwards, until universal wheel 9 breaks away from with ground, at this moment under the gravity effect of this device itself, trapezoidal piece 14 and the ground of movable block 12 bottom have very big frictional force, consequently, the stability of this device when greatly increased experiment, and then improve the accuracy of experimental data.

The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The portable hydraulic loading device comprises a supporting seat (1), and is characterized in that a test bed (2) is installed at the top of the supporting seat (1), a top seat (4) is fixed on the surface of the test bed (2) through a stand column (3), a hydraulic cylinder (5) is installed on the top seat (4), the output end of the hydraulic cylinder (5) penetrates through the top seat (4) and is connected with a movable rod (6), and a pressing plate (7) is installed at the bottom of the movable rod (6);

the support is characterized in that a base (8) is fixed at the bottom of the support seat (1), universal wheels (9) are arranged at the bottom of the base (8), and four groups of support assemblies are arranged on the base (8) in a square mode.

2. The portable hydraulic loading device according to claim 1, wherein the supporting assembly comprises an L-shaped supporting plate (10), a threaded rod (11) and a moving block (12), the moving block (12) is arranged on the base (8) in a penetrating manner, and a thread groove (13) is formed in the moving block (12);

the novel movable support is characterized in that a threaded rod (11) is arranged between the L-shaped support plate (10) and the movable block (12), the threaded rod (11) is movably connected with the L-shaped support plate (10) through a bearing, and the bottom of the threaded rod (11) is in threaded connection with a thread groove (13) in the movable block (12).

3. The portable hydraulic loading device according to claim 2, characterized in that two groups of transmission assemblies are arranged above the base (8) at intervals, the transmission assemblies comprise limiting seats (15) which are fixed on the base (8) at intervals, a connecting shaft (16) is arranged between the limiting seats (15), and two ends of the connecting shaft (16) are connected with worms (17);

a turbine (18) is arranged on one side of the worm (17), and the turbine (18) is meshed with the worm (17).

4. A portable hydraulic loading device according to claim 3, wherein the ends of the worms (17) far away from the connecting shaft (16) penetrate through the limiting seat (15) and are connected with chain wheels (19), and the two chain wheels (19) are connected through a chain (20).

5. The portable hydraulic loading device according to claim 4, wherein a motor (21) is mounted on the base (8), a first bevel gear (22) is mounted at an output end of the motor (21), a second bevel gear (23) is mounted on the connecting shaft (16), and the second bevel gear (23) is meshed with the first bevel gear (22).

6. Portable hydraulic loading device according to claim 5, characterized in that the test bench (2) is provided with a circular plate type weighing load cell (24).

7. The portable hydraulic loading device according to claim 6, wherein a trapezoid block (14) is fixed to the bottom of the moving block (12).