CN216098580U - Valve rod experimental device for farmland irrigation valve - Google Patents

Abstract

The utility model discloses a valve rod experimental device for a farmland irrigation valve, which comprises a base, a rack and a hydraulic machine, wherein the rack is fixedly arranged at the upper end of the base, the hydraulic machine is arranged at the top end of the rack, a hydraulic telescopic rod is arranged on the hydraulic machine, the bottom end of the hydraulic telescopic rod is connected with a pressing plate, a pressure sensor is arranged on the pressing plate, a positioning mechanism is arranged on the base, and the positioning mechanism consists of four positioning components. According to the utility model, the positioning mechanism is arranged and consists of four positioning assemblies, so that the valve rod to be tested can be vertically placed on the base, then the driving motor is started to work, the four limiting blocks move oppositely, and four angles of the valve rod are synchronously abutted and limited, so that the valve rod can be clamped and fixed, the fixing effect is good, and meanwhile, the valve rods with different diameters can be clamped and fixed.

Description

Valve rod experimental device for farmland irrigation valve

Technical Field

The utility model relates to the field related to valves, in particular to a valve rod experimental device for a farmland irrigation valve.

Background

In the field irrigation work, need utilize the valve to control irrigation water source, wherein the valve rod is the important component in the valve, and the valve rod is in process of production, need carry out the resistance to compression experiment to it, through fixing the valve rod, applys certain pressure to it, judges whether its compressive resistance accords with operation requirement.

The prior valve rod experimental device has the following defects in use: the valve rod is not convenient for carry out the centre gripping fast and is fixed, leads to the valve rod in the experimentation, takes place to empty easily, and the whole centre gripping of clamping device that has now is stable not good, and is not convenient for press from both sides tight fixedly to the valve rod of different diameters size, and the use of not being convenient for needs improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a valve rod experimental device for a farmland irrigation valve, so as to solve at least one technical problem.

The utility model provides a valve rod experimental apparatus for field irrigation valve, includes base, frame and hydraulic press, frame fixed mounting is in the base upper end, the hydraulic press is installed on the frame top, install hydraulic telescoping rod on the hydraulic press, hydraulic telescoping rod, the hydraulic telescoping rod bottom is connected with the clamp plate, install pressure sensor on the clamp plate, be equipped with positioning mechanism on the base, positioning mechanism comprises four locating component, and four locating component are circumference evenly distributed on the base.

Preferably, the locating component comprises a transmission screw rod and a limiting block, the transmission screw rod is rotatably installed inside the base, a screw nut is installed on the transmission screw rod, the limiting block is located at the upper end of the base, and the limiting block is fixedly connected with the screw nut through a connecting push rod.

Preferably, a through groove is formed in the base, the connecting push rod penetrates through the through groove, and two ends of the connecting push rod are fixedly connected with the lead screw nut and the limiting block respectively.

Preferably, an arc-shaped groove is formed in the limiting block, a rubber pad is arranged on the inner wall of the arc-shaped groove, and the limiting block is abutted to the side wall of the valve rod through the rubber pad.

Preferably, the base is internally provided with a limiting frame, the limiting frame is internally provided with a driving motor, and an output shaft of the driving motor is fixedly connected with a driving bevel gear.

Preferably, one end of the transmission screw rod penetrates through the limiting frame and is connected with the limiting frame in a rotating mode, one end, extending to the inside of the limiting frame, of the transmission screw rod is fixedly connected with a driven bevel gear, and the driven bevel gear is connected with the driving bevel gear in a meshed mode.

The utility model has the beneficial effects that:

1. according to the utility model, the positioning mechanism is arranged and consists of four positioning assemblies, when the valve rod testing device works, the valve rod to be tested can be vertically placed on the base, then the driving motor is started to work to drive the driving bevel gear to rotate, so that the driving bevel gear can be used for meshing four driven bevel gears on the four positioning assemblies to synchronously rotate, the driving screw rod can be driven to rotate, the connecting push rod is driven by the movement of the screw rod nut to push the limiting blocks to move, the four limiting blocks can be used for moving in opposite directions to synchronously abut against and limit four angles of the valve rod, the valve rod can be clamped and fixed, the fixing effect is good, and meanwhile, the valve rods with different diameters can be clamped and fixed.

2. According to the utility model, the arc-shaped groove is formed in the limiting block, so that the contact area between the limiting block and the side wall of the valve rod is large, the clamping and positioning effects are increased, and the rubber pad is arranged in the arc-shaped groove, so that the friction force of the limiting block in contact with the valve rod can be increased by using the rubber pad, thereby ensuring that the limiting block has a good clamping effect on the valve rod, and avoiding the phenomenon that the valve rod topples over in the experimental process.

Drawings

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

FIG. 2 is a schematic top view of the base of the present invention;

FIG. 3 is a schematic top view of the interior of the base of the present invention;

reference numerals: 1. a base; 2. a frame; 3. a hydraulic press; 4. pressing a plate; 5. a pressure sensor; 6. a limiting block; 7. connecting a push rod; 8. a transmission screw rod; 9. a feed screw nut; 10. a drive motor; 11. a drive bevel gear; 12. a rubber pad; 13. an arc-shaped groove; 14. a through groove; 15. a driven bevel gear; 16. a hydraulic telescopic rod; 17. and a limiting frame.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

Examples

As shown in fig. 1-3, a valve rod experimental apparatus for farmland irrigation valve, including base 1, frame 2 and hydraulic press 3, frame 2 fixed mounting is in base 1 upper end, hydraulic press 3 installs on 2 tops of frame, install hydraulic telescoping rod 16 on the hydraulic press 3, hydraulic telescoping rod 16, the 16 bottom of hydraulic telescoping rod is connected with clamp plate 4, install pressure sensor 5 on the clamp plate 4, be equipped with positioning mechanism on the base 1, positioning mechanism comprises four locating component, four locating component are circumference evenly distributed on base 1.

In this embodiment, specifically, locating component includes transmission lead screw 8 and stopper 6, transmission lead screw 8 rotates and installs inside base 1, install screw-nut 9 on the transmission lead screw 8, stopper 6 is located base 1 upper end, and stopper 6 is through connecting push rod 7 and screw-nut 9 fixed connection, can utilize transmission lead screw 8 to rotate and drive screw-nut 9 and remove, and can promote stopper 6 through connecting push rod 7 and remove when screw-nut 9 removes, be convenient for utilize stopper 6 to press from both sides tight fixedly to the valve rod.

In this embodiment, it is concrete, logical groove 14 has been seted up on base 1, and connecting push rod 7 runs through logical groove 14, and connecting push rod 7 both ends respectively with screw-nut 9 and stopper 6 fixed connection, can drive connecting push rod 7 synchronous motion when screw-nut 9 removes, and can remove along logical groove 14 when connecting push rod 7 and removing to can utilize connecting push rod 7 to promote stopper 6 and slide in base 1 upper end.

In this embodiment, specifically, be equipped with arc recess 13 on stopper 6, be equipped with rubber pad 12 on the arc recess 13 inner wall, stopper 6 passes through rubber pad 12 and valve rod lateral wall butt, through be equipped with arc recess 13 on stopper 6, can increase the area of contact of stopper 6 and valve rod, and through being equipped with rubber pad 12 in arc recess 13 is inside, can utilize rubber pad 12 to increase the frictional force of stopper 6 and valve rod contact, increases the stability of centre gripping, avoids the valve rod to topple over.

In this embodiment, specifically, base 1 is inside to be equipped with spacing frame 17, and spacing frame 17 is inside to be equipped with driving motor 10, and driving motor 10's output shaft fixedly connected with drive bevel gear 11 can utilize driving motor 10 work to drive bevel gear 11 and rotate.

In this embodiment, specifically, one end of the transmission screw 8 penetrates through the limiting frame 17 and is rotationally connected with the limiting frame 17, one end of the transmission screw 8 extending to the inside of the limiting frame 17 is fixedly connected with the driven bevel gear 15, the driven bevel gear 15 is meshed with the driving bevel gear 11, and when the driving bevel gear 11 rotates, the four driven bevel gears 15 can be meshed to rotate, so that the transmission screw 8 rotates, and the screw nut 9 moves on the transmission screw 8.

The working principle is as follows: when the test device is used specifically, a valve rod to be tested can be placed at the upper end of the base 1, the valve rod is positioned below the pressure plate 4, then the driving motor 10 can be started to work, the driving bevel gear 11 is driven to rotate by utilizing the work of the driving motor 10, the driving bevel gear 11 can be meshed with the four driven bevel gears 15 to rotate when rotating, so that the four limiting assemblies can be driven to synchronously move, the driving lead screws 8 on the four limiting assemblies can be driven to rotate, the four lead screw nuts 9 can move oppositely, the lead screw nuts 9 can drive the connecting push rod 7 to synchronously move when moving, the connecting push rod 7 can move along the through groove 14 when moving, the connecting push rod 7 can be used for pushing the limiting blocks 6 to slide at the upper end of the base 1, the four limiting blocks 6 are close to each other, and the side walls of the valve rod are abutted and fixed by the four limiting blocks 6, increase the stability that the valve rod was placed, can avoid the experimentation, take place to empty, through setting up four stopper 6, can carry out the multi-angle butt to the valve rod, can carry out the centre gripping to the valve rod of different sizes so far simultaneously and fix, the flexibility is good, and through be equipped with arc recess 13 on stopper 6, can increase the area of contact of stopper 6 and valve rod, and through being equipped with rubber pad 12 in arc recess 13 inside, can utilize rubber pad 12 to increase the frictional force of stopper 6 and valve rod contact, increase the stability of centre gripping, avoid the valve rod to empty, and convenient to use.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a valve rod experimental apparatus for field irrigation valve, includes base (1), frame (2) and hydraulic press (3), frame (2) fixed mounting is in base (1) upper end, install on frame (2) top hydraulic press (3), install hydraulic telescoping rod (16) on hydraulic press (3), hydraulic telescoping rod (16) bottom is connected with clamp plate (4), install pressure sensor (5) on clamp plate (4), its characterized in that: the positioning mechanism is arranged on the base (1) and consists of four positioning assemblies, and the four positioning assemblies are circumferentially and uniformly distributed on the base (1).

2. The valve stem test device for an agricultural irrigation valve according to claim 1, wherein: the positioning assembly comprises a transmission lead screw (8) and a limiting block (6), the transmission lead screw (8) is rotatably installed inside the base (1), a lead screw nut (9) is installed on the transmission lead screw (8), the limiting block (6) is located at the upper end of the base (1), and the limiting block (6) is fixedly connected with the lead screw nut (9) through a connecting push rod (7).

3. The valve stem test device for an agricultural irrigation valve according to claim 2, wherein: a through groove (14) is formed in the base (1), the connecting push rod (7) penetrates through the through groove (14), and two ends of the connecting push rod (7) are fixedly connected with the lead screw nut (9) and the limiting block (6) respectively.

4. The valve stem test device for an agricultural irrigation valve according to claim 3, wherein: be equipped with arc recess (13) on stopper (6), be equipped with rubber pad (12) on arc recess (13) inner wall, stopper (6) pass through rubber pad (12) and valve rod lateral wall butt.

5. The valve stem test device for an agricultural irrigation valve according to claim 4, wherein: the base (1) is internally provided with a limiting frame (17), the limiting frame (17) is internally provided with a driving motor (10), and an output shaft of the driving motor (10) is fixedly connected with a driving bevel gear (11).

6. The valve stem test device for an agricultural irrigation valve according to claim 5, wherein: one end of the transmission screw rod (8) penetrates through the limiting frame (17) and is rotatably connected with the limiting frame (17), one end of the transmission screw rod (8) extending to the inside of the limiting frame (17) is fixedly connected with a driven bevel gear (15), and the driven bevel gear (15) is meshed with the driving bevel gear (11) and is connected with the driving bevel gear.

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