CN102637057B

CN102637057B - Device for adjusting movement speed

Info

Publication number: CN102637057B
Application number: CN201210108602.XA
Authority: CN
Inventors: 陆庆年
Original assignee: SUZHOU EASSON OPTOELECTRONICS CO Ltd
Current assignee: SUZHOU EASSON OPTOELECTRONICS CO Ltd
Priority date: 2012-04-15
Filing date: 2012-04-15
Publication date: 2014-02-05
Anticipated expiration: 2032-04-15
Also published as: CN102637057A

Abstract

The invention discloses a device for adjusting the movement speed. The device comprises a movable box and a polish rod, wherein three bearings arranged on three bearing rods respectively are contained in the movable box; the outer side walls of the three bearings form a space for the polish rod to pass through; the outer side walls of the first bearing and the second bearing are in point contact with the polish rod; and the third bearing is in movable contact with a compaction line of the polish rod. The device for adjusting the movement speed, disclosed by the invention, has simple structure and low cost and is simple and convenient for adjusting the speed; when a locking handle is locked, the third bearing in the movable box compacts the polish rod and contacts with the polish rod with the first and second bearings together, the three bearings and the polish rod are in equivalent threaded transmission, and the polish rod and the movable box rotate at a low relative speed to realize micro-adjustment; and when the locking handle is released, the third bearing is separated from the polish rod, the polish rod only experiences the effect of the frictional force of the first and second bearings, and the polish rod and the movable box can realize fast relative movement.

Description

A kind of device that regulates translational speed

Technical field

The present invention relates to a kind of device that regulates translational speed, belong to field of mechanical technique.

Background technology

The device moving for needs, has its mode moving of many drivings.But general type of drive need to rely on more complicated regulating device could realize the adjusting to translational speed, the mode complex structure of this adjusting translational speed, cost are higher.

Summary of the invention

Technical matters to be solved by this invention is to provide a kind of device that regulates translational speed, and simple in structure, cost is low, and governing speed is simple and convenient.

For solving the problems of the technologies described above, the invention provides a kind of device that regulates translational speed, it is characterized in that, comprise

One moving box,

One run through two relative sidewalls of described moving box and with the relatively-movable polished rod of described moving box,

In described moving box, comprise three clutch shaft bearing, the second bearing and the 3rd bearings that are separately positioned on clutch shaft bearing bar, the second bearing rod and the 3rd bearing rod, the lateral wall of described clutch shaft bearing, the second bearing and the 3rd bearing forms one can hold the space that described polished rod passes, and the lateral wall of described clutch shaft bearing and the second bearing contacts with described polished rod point, and described the 3rd bearing movably contacts with described polished rod compression line.

The described set lever that moves through of described the 3rd bearing regulates.

The axis of described clutch shaft bearing bar, the second bearing rod and the axis shape of described polished rod have angle, and the yawing moment of described clutch shaft bearing bar, the second bearing rod is contrary.

Described angle is 2 degree.

Described clutch shaft bearing bar, the second bearing rod are all arranged in a fixed head fixing in moving box.

Also comprise a portable plate being connected with described fixed head by spring, described the 3rd bearing rod is set in described portable plate.

The end, one end of described polished rod connects a handwheel, can drive described polished rod around its axial rotation while stirring described hand wheel rotating.

Described set lever connects a double-screw bolt vertical with described the 3rd bearing rod, and described double-screw bolt is during along its axially-movable, and its end can withstand on the sidewall of described the 3rd bearing rod.

Described double-screw bolt is arranged in a support plate, and is threaded with described support plate, double-screw bolt when rotation, and can be along its axial stretching motion in described support plate.

The beneficial effect that the present invention reaches:

The device of adjusting translational speed of the present invention, simple in structure, cost is low, and governing speed is simple and convenient, can regulate polished rod, moving box to move with two kinds of different relative moving speeds, when set lever is locked, make the 3rd bearing in moving box compress polished rod, with first, second bearing wherein, contact with polished rod together, between three bearings and polished rod, be equivalent to screw thread transmission, between polished rod and moving box, with a slower relative velocity, rotate, realize fine adjustment; When set lever unclamps, the 3rd bearing is separated with polished rod, and the friction force effect that polished rod is only subject to first, second bearing, can realize fast and relatively moving between polished rod and moving box.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

Fig. 2 is the A-A cut-open view of Fig. 1;

Fig. 3 is that B in Fig. 2 is to cut-open view;

Fig. 4 is that C in Fig. 2 is to cut-open view.

Embodiment

Below in conjunction with accompanying drawing, the invention will be further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.

As shown in Figure 1 and Figure 2, the device of adjusting translational speed of the present invention comprises, a moving box 1 and runs through the polished rod 2 of 1 two relative sidewalls of moving box.The end, one end of polished rod 2 connects a handwheel 3, stirs when handwheel 3 rotates and can drive polished rod 2 around its axial rotation.Moving box 1 and polished rod 2 can relative polished rod 2 move axially, and translational speed can be adjusted to rapid movement state and fine setting motion state.

In moving box 1, comprise three bearing Z, be respectively clutch shaft bearing Z1, the second bearing Z2 and the 3rd bearing Z3, each bearing is all connected in moving box 1 by a bearing rod G.Clutch shaft bearing bar G1, the second bearing rod G2 are all arranged in a fixed head 11 fixing in moving box; The 3rd bearing rod G3 is arranged in the interior mobilizable portable plate 12 of moving box 1.Portable plate 12 is connected with fixed head 11 by a Compress Spring 8.

Polished rod 2 passes from the space of the lateral wall formation of three bearing Z1, Z2, Z3.And the equal rubbing contact of lateral wall of polished rod 2 and clutch shaft bearing Z1, the second bearing Z2, and the 3rd bearing Z3 movably compresses and contacts with polished rod 2 under the drive of the 3rd bearing rod G3.

Three bearing Z1, Z2, Z3 are looped around polished rod 2 radially around, the 3rd bearing rod G3 is parallel with polished rod 2, angle between the axis of clutch shaft bearing bar G1, the second bearing rod G2 and polished rod 2 axis is 2 degree, as shown in Figure 3, Figure 4, the 2 degree angles that form between the axis of clutch shaft bearing bar G1 and the axis of polished rod are for inclined to one side upward, and the clutch shaft bearing Z1 that therefore makes to be fixed on clutch shaft bearing bar G1 tilts.The 2 degree angles that form between the second axis of bearing rod G2 and the axis of polished rod, for inclined to one side, therefore make the second bearing Z2 on the second bearing rod G2 tilt downwards.

The 3rd bearing rod G3 mono-side arranges a briquetting 4, is fixedly connected with a double-screw bolt 5 on a side of briquetting 4, and double-screw bolt 5 is arranged in a support plate 6, and coordinates with support plate 6 by screw thread, and the other end of double-screw bolt 5 withstands on the 3rd bearing rod G3.On the another side of briquetting 4, be fixedly connected with a set lever 7, set lever 7 is L-type, and one end is fixed on briquetting 4, and the other end is to be suitable for the locking end that hand is stirred, and the wall that passes moving box 1 is placed in moving box outside.

Set lever 7, double-screw bolt 5 are positioned on an axis, during along axis rotation lock handle 7, set lever 7 drives double-screw bolt 5 to rotate together by briquetting 4, double-screw bolt 5 is threaded connection along support plate 6 and moves towards the 3rd bearing rod G3, the 3rd bearing Z3 is pressed on polished rod 2, make three bearing Z1, Z2, Z3 be 2 degree spiral angles along axis direction, when handwheel 3 rotates, between three bearing Z1, Z2, Z3 and polished rods 2, be equivalent to screw thread transmission, make can be relative between moving box 1 and polished rod 2 slow movement, in fine setting motion state.

During towards relative direction rotation lock handle 7, set lever 7 drives double-screw bolt 5 to rotate together by briquetting 4, double-screw bolt 5 is threaded connection along support plate 6 towards moving away from the direction of the 3rd bearing rod G3, the portable plate 12 at the 3rd bearing rod G3 place under the effect of back-moving spring 8 by bullet to the barrier of moving box 1 and get back to initial position, make the 3rd bearing Z3 separated with polished rod 2, the 3rd bearing Z3 no longer compresses polished rod 2, now, fast moving that can be relative between moving box 1 and polished rod 2, only need stir moving box 1 with hand can make between moving box 1 and polished rod 2 in relative rapid movement state.

The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and distortion, these improvement and distortion also should be considered as protection scope of the present invention.

Claims

1. a device that regulates translational speed, is characterized in that, comprises

One moving box,

In described moving box, comprise three clutch shaft bearing, the second bearing and the 3rd bearings that are separately positioned on clutch shaft bearing bar, the second bearing rod and the 3rd bearing rod, the lateral wall of described clutch shaft bearing, the second bearing and the 3rd bearing forms one can hold the space that described polished rod passes, and the lateral wall of described clutch shaft bearing and the second bearing contacts with described polished rod point, and described the 3rd bearing movably contacts with described polished rod compression line

The set lever that moves through of described the 3rd bearing regulates.

2. a kind of device that regulates translational speed according to claim 1, is characterized in that, the axis of described clutch shaft bearing bar, the second bearing rod and the axis shape of described polished rod have angle, and the yawing moment of described clutch shaft bearing bar, the second bearing rod is contrary.

3. a kind of device that regulates translational speed according to claim 2, is characterized in that, described angle is 2 degree.

4. according to a kind of device that regulates translational speed described in claim 1,2 or 3, it is characterized in that, described clutch shaft bearing bar, the second bearing rod are all arranged in a fixed head fixing in moving box.

5. a kind of device that regulates translational speed according to claim 4, is characterized in that, also comprises a portable plate being connected with described fixed head by spring, and described the 3rd bearing rod is set in described portable plate.

6. a kind of device that regulates translational speed according to claim 1, is characterized in that, the end, one end of described polished rod connects a handwheel, can drive described polished rod around its axial rotation while stirring described hand wheel rotating.

7. a kind of device that regulates translational speed according to claim 1, is characterized in that, described set lever connects a double-screw bolt vertical with described the 3rd bearing rod, and described double-screw bolt is during along its axially-movable, and its end can withstand on the sidewall of described the 3rd bearing rod.

8. a kind of device that regulates translational speed according to claim 7, is characterized in that, described double-screw bolt is arranged in a support plate, and is threaded with described support plate, double-screw bolt when rotation, and can be along its axial stretching motion in described support plate.