CN216407335U

CN216407335U - Control device of energy-saving variable-frequency hydraulic oil pump

Info

Publication number: CN216407335U
Application number: CN202123224448.6U
Authority: CN
Inventors: 魏方毅
Original assignee: Hefei Yuchuang Hydraulic Member Co ltd
Current assignee: Hefei Yuchuang Hydraulic Member Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-04-29
Anticipated expiration: 2031-12-21

Abstract

The utility model is suitable for the technical field of control equipment, and provides a control device of an energy-saving variable-frequency hydraulic oil pump, which comprises a box body and an oil pump body arranged in the box body, wherein an output pipe of the oil pump body is provided with a switch valve, an upper valve rod of the switch valve is connected with the side wall of the box body through a tension spring, a control mechanism for controlling the on-off of the switch valve is arranged in the box body, the control mechanism comprises a rotating shaft, a winding, a pull rope, a fixing ring and a pointer, and by arranging the rotating shaft, the winding, the pull rope, the fixing ring and the pointer, not only is the adjustment of the oil output quantity of the oil pump facilitated for a worker, but also the oil output quantity of the switch valve can be visually observed, and the observation of the oil output rate of the oil pump facilitated for the worker.

Description

Control device of energy-saving variable-frequency hydraulic oil pump

Technical Field

The utility model relates to the technical field of control equipment, in particular to a control device of an energy-saving variable-frequency hydraulic oil pump.

Background

The hydraulic oil pump consists of four parts, including pump body, rectangular oil tank, pressing handle and superhigh pressure steel wire braided rubber hose, and the power element of the hydraulic system converts the mechanical energy of the prime mover into pressure energy of liquid.

The control device of the conventional hydraulic oil pump cannot visually observe the oil output of the oil pump, and brings certain inconvenience to the work of workers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a control device of an energy-saving variable-frequency hydraulic oil pump, which aims to solve the problems in the background technology.

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

a control device of an energy-saving variable-frequency hydraulic oil pump comprises a box body and an oil pump body arranged in the box body, wherein a switch valve is arranged on an output pipe of the oil pump body, a valve rod on the switch valve is connected with the side wall of the box body through a tension spring, a control mechanism for controlling the opening and closing of the switch valve is arranged in the box body, the control mechanism comprises a rotating shaft, a reel, a pull rope, a fixing ring and a pointer, the rotating shaft is rotatably arranged in the box body, the end part of the rod body, positioned outside the box body, of the rotating shaft is fixedly provided with a turntable, the reel is fixedly arranged on the rod body, positioned in the box body, of the rotating shaft, one end of the pull rope is wound on the reel, the other end of the pull rope is connected with the valve rod of the switch valve, the fixing ring is fixedly sleeved on the rod body, positioned in the box body, the rotating shaft is fixedly provided with the pointer, an arc-shaped window is further arranged above the rotating shaft on the side surface of the box body, the arc-shaped window is internally provided with scale marks, and transparent glass is arranged outside the arc-shaped window.

As a further scheme of the utility model: the device still includes spacing subassembly, spacing subassembly is used for playing the braking effect of splining for the rotation of pivot, including fixed section of thick bamboo, arresting member, spring leaf and drive unit, fixed section of thick bamboo is fixed to be set up on the inner wall of box, and sets up on the fixed section of thick bamboo and supply pointer pivoted breach, has still seted up a plurality of through-holes on the lateral wall of fixed section of thick bamboo, the pivot is the quill shaft, and the partial body of rod of pivot rotates and sets up in fixed section of thick bamboo, arresting member and spring leaf all are provided with a plurality ofly, the arresting member passes through spring leaf elastic activity sets up on the lateral wall of pivot, and the arresting member pegs graft with the through-hole and cooperate, and a plurality of arresting members are the annular array and arrange, set up the side opening that supplies the arresting member to stretch out and draw back in the pivot, drive unit is used for providing power for a plurality of arresting members in step to the motion that is close to or keeps away from the through-hole direction.

As a further scheme of the utility model: the drive unit includes movable rod, driving piece and screw rod, the movable rod activity sets up in the pivot, and the fixed driving piece that is provided with on the movable rod, the driving piece is the round platform form, and the movement track of driving piece with the movement track of braking piece interferes mutually, the tip of movable rod is still fixed and is provided with the screw rod, the tip of pivot seted up with screw rod complex thread groove.

As a further scheme of the utility model: the end part of the screw rod, which is far away from the movable rod, is also provided with a nut, and the end part of the rotating shaft is provided with a groove for the nut to be embedded.

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

1. according to the utility model, by arranging the rotating shaft, the winding wire, the pull rope, the fixing ring and the pointer, when the oil output of the oil pump needs to be adjusted, only the rotating disc on the side surface of the box body needs to be rotated, and the rotating disc drives the rotating shaft to rotate, so that the winding wire wheel winds the pull rope to drive the valve rod of the switch valve to rotate, and when the rotating shaft rotates, the pointer rotates along with the rotating shaft and is matched with the scale marks arranged on the side surface of the box body, the oil output of the switch valve can be visually observed, and the observation of the oil output rate of the oil pump by a worker is further facilitated.

2. According to the utility model, the limiting assembly is arranged, after the turntable is rotated to a specified position, the screw rod is matched with the thread groove on the rotating shaft through rotating the screw rod, the movable rod is driven to move inwards the rotating shaft, the circular truncated cone-shaped driving piece on the movable rod drives the braking pieces to extend out of the side holes and be inserted into the through holes on the fixed cylinder, so that the fixed rotation stop of the rotating shaft is realized, the change of the oil output of the oil pump caused by the unexpected rotation of the turntable is avoided, and the practicability of the control mechanism is further improved.

Drawings

FIG. 1 is a front view of a control device for an energy-saving variable frequency hydraulic oil pump;

FIG. 2 is a top sectional view of a control device of an energy-saving variable frequency hydraulic oil pump;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a perspective view of a movable rod and a driving member in a control device of an energy-saving variable frequency hydraulic oil pump;

in the figure: the oil pump comprises a box body 1, an oil pump body 2, a switch valve 3, a tension spring 4, a rotating shaft 5, a winding wheel 6, a pull rope 7, a fixing ring 8, a pointer 9, a rotating disc 10, an arc-shaped window 11, a scale mark 12, a fixing barrel 13, a brake 14, a spring leaf 15, a through hole 16, a movable rod 17, a driving piece 18, a screw rod 19, a thread groove 20, a nut 21 and a groove 22.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1-4, a control device of an energy-saving variable frequency hydraulic oil pump, the device includes a box 1 and an oil pump body 2 installed in the box 1, an output pipe of the oil pump body 2 is provided with a switch valve 3, a valve rod on the switch valve 3 is connected with a side wall of the box 1 through a tension spring 4, a control mechanism for controlling the switch valve 3 to open and close is arranged in the box 1, the control mechanism includes a rotating shaft 5, a reel 6, a pull rope 7, a fixing ring 8 and a pointer 9, the rotating shaft 5 is rotatably arranged in the box 1, a rotating disc 10 is fixedly arranged at an end of a rod body of the rotating shaft 5 outside the box 1, the reel 6 is fixedly arranged on the rod body of the rotating shaft 5 inside the box 1, one end of the pull rope 7 is wound on the reel 6, the other end is connected with the valve rod of the switch valve 3, the fixing ring 8 is fixedly sleeved on the rod body of the rotating shaft 5 inside the box 1, and fixed mounting has pointer 9 in the pivot 5, arc window 11 has still been seted up to the side of box 1 lies in the top of pivot 5, be provided with scale mark 12 in the arc window 11, and arc window 11 is provided with transparent glass outward, through setting up pivot 5, the wire winding, stay cord 7, solid fixed ring 8 and pointer 9, when the oil output of oil pump is big-end-to-end needs to be adjusted, only need rotate the carousel 10 of box 1 side, carousel 10 drives pivot 5 and rotates, make reel 6 carry out the coiling action to stay cord 7, with this valve rod rotation that drives ooff valve 3, and, when pivot 5 pivoted, pointer 9 is rotatory together with pivot 5, the scale mark 12 that cooperation box 1 side set up, can the audio-visual size of observing the oil output of ooff valve 3, further be convenient for the staff to the observation of oil pump oil output speed.

Example 2

The embodiment is improved on the basis of embodiment 1, and specifically comprises the following steps:

the device also comprises a limiting component, the limiting component is used for braking and stopping rotation of the rotating shaft 5, and comprises a fixed cylinder 13, a braking part 14, a spring piece 15 and a driving unit, the fixed cylinder 13 is fixedly arranged on the inner wall of the box body 1, a gap for the pointer 9 to rotate is arranged on the fixed cylinder 13, a plurality of through holes 16 are also arranged on the side wall of the fixed cylinder 13, the rotating shaft 5 is a hollow shaft, and part of the rod body of the rotating shaft 5 is rotatably arranged in the fixed cylinder 13, a plurality of braking parts 14 and spring pieces 15 are arranged, the stopper 14 is elastically movably provided on the side wall of the rotation shaft 5 by the spring plate 15, and the braking parts 14 are matched with the through holes 16 in an inserting way, a plurality of braking parts 14 are arranged in an annular array, the rotating shaft 5 is provided with a side hole for the brake 14 to extend and retract, and the driving unit is used for providing power for the motion of the brake 14 towards the direction close to or away from the through hole 16 synchronously.

Wherein, drive unit includes movable rod 17, driving piece 18 and screw rod 19, the activity of movable rod 17 sets up in pivot 5, and the fixed driving piece 18 that is provided with on the movable rod 17, driving piece 18 is the round platform form, and the movement track of driving piece 18 with the movement track of braking piece 14 interferes mutually, the tip of movable rod 17 is still fixed and is provided with screw rod 19, the tip of pivot 5 seted up with screw rod 19 complex thread groove 20.

The working principle is as follows: after the rotary table 10 is rotated to a specified position, the movable rod 17 is driven to move towards the rotary shaft 5 through the matching of the screw rod 19 and the thread groove 20 on the rotary shaft 5 by rotating the screw rod 19, the circular truncated cone-shaped driving piece 18 on the movable rod 17 drives the braking pieces 14 to extend out of the side holes and is inserted into the through hole 16 on the fixed cylinder 13, so that the rotary table 5 is fixed and stopped, the change of the oil output of the oil pump caused by the unexpected rotation of the rotary table 10 is avoided, and the practicability of the control mechanism is further improved.

In addition, the tip that the movable rod 17 was kept away from to screw rod 19 still is provided with nut 21, the setting that supplies nut 21 to inlay the recess 22 of establishing is seted up to the tip of pivot 5, and nut 21 and recess 22 make things convenient for the staff to the rotation of screw rod 19 to, can inlay nut 21 and establish and hide in recess 22, avoid the unexpected rotation of nut 21, further improve this drive unit's suitability.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a controlling means of energy-conserving frequency conversion hydraulic oil pump, the device includes box (1) and installs oil pump body (2) in box (1), its characterized in that, be provided with ooff valve (3) on the output tube of oil pump body (2), the valve stem is connected with box (1) lateral wall through extension spring (4) on ooff valve (3), and is provided with the control mechanism that control ooff valve (3) opened and close in box (1), control mechanism includes pivot (5), reel (6), stay cord (7), solid fixed ring (8) and pointer (9), pivot (5) rotate and set up in box (1), and pivot (5) are located the fixed carousel (10) that is provided with of the outer body of rod end of box (1), and pivot (5) are located still fixed mounting on the body of rod of box (1) have reel (6), the one end of stay cord (7) is convoluteed on reel (6), the other end with the valve rod of ooff valve (3) is connected, gu fixed ring (8) fixed cover establish on pivot (5) are located the body of rod in box (1), and fixed mounting has pointer (9) on pivot (5), arc window (11) have still been seted up to the side of box (1) in the top that pivot (5) are located, be provided with scale mark (12) in arc window (11), and arc window (11) are provided with transparent glass outward.

2. The control device of the energy-saving frequency-conversion hydraulic oil pump according to claim 1, further comprising a limiting component, wherein the limiting component is used for braking and stopping rotation of the rotating shaft (5), and comprises a fixed cylinder (13), a braking member (14), a spring piece (15) and a driving unit, the fixed cylinder (13) is fixedly arranged on the inner wall of the box body (1), the fixed cylinder (13) is provided with a notch for the pointer (9) to rotate, the side wall of the fixed cylinder (13) is further provided with a plurality of through holes (16), the rotating shaft (5) is a hollow shaft, part of the rod body of the rotating shaft (5) is rotatably arranged in the fixed cylinder (13), the braking member (14) and the spring piece (15) are provided with a plurality of braking members, and the braking member (14) is elastically movably arranged on the side wall of the rotating shaft (5) through the spring piece (15), and stopper (14) and through-hole (16) are pegged graft and are cooperated, and a plurality of stoppers (14) are arranged for the annular array, offer the side opening that supplies stopper (14) to stretch out and draw back on pivot (5), drive unit is used for providing power for the motion of a plurality of stoppers (14) to being close to or keeping away from through-hole (16) direction in step.

3. The control device of the energy-saving variable-frequency hydraulic oil pump according to claim 2, wherein the driving unit comprises a movable rod (17), a driving piece (18) and a screw rod (19), the movable rod (17) is movably arranged in the rotating shaft (5), the driving piece (18) is fixedly arranged on the movable rod (17), the driving piece (18) is in a circular truncated cone shape, the motion track of the driving piece (18) is interfered with the motion track of the braking piece (14), the screw rod (19) is further fixedly arranged at the end of the movable rod (17), and a thread groove (20) matched with the screw rod (19) is formed in the end of the rotating shaft (5).

4. The control device of the energy-saving variable-frequency hydraulic oil pump according to claim 3, wherein a nut (21) is further arranged at the end of the screw (19) far away from the movable rod (17), and a groove (22) for embedding the nut (21) is formed at the end of the rotating shaft (5).