CN216284050U - Portable spring force adjusting tool with pressure value display function - Google Patents

Abstract

The utility model provides a portable spring force adjusting tool with a pressure numerical value display function, which comprises a hand wheel, a movable clamping plate, a driving shaft, a screw rod, a flange plate, a static clamping plate and a guide rod, wherein the hand wheel is connected with the movable clamping plate through the driving shaft; the pressure sensor is arranged on the static clamping plate through a flange plate and a bolt, the middle part of the pressure sensor is fixedly provided with a screw rod, one end of the driving shaft is provided with a thread groove which is in threaded connection with the outside of the screw rod, the movable clamping plate is sleeved outside the driving shaft, the driving shaft is provided with a shoulder which is used for positioning the axial position of the movable clamping plate on the driving shaft, the other end of the driving shaft is connected with a hand wheel, and at least one group of guide rods is connected between the movable clamping plate and the static clamping plate; the movable clamping plate and the static clamping plate are also provided with U-shaped open slots, the two groups of U-shaped open slots ride at two ends of a central shaft of the spring to be adjusted, and the pressure sensor is electrically connected with a digital pressure display instrument for reading the pressure value borne by the pressure sensor.

Description

Portable spring force adjusting tool with pressure value display function

Technical Field

The utility model relates to a spring force adjusting tool, in particular to a portable spring force adjusting tool with a pressure numerical value display function.

Background

The engine assembly line adopts the assembly line mode operation, leans on the transfer chain transportation engine between each station. The engine is stored on the special tray, the tray is in contact with the roller of the conveying line, and the roller drives the tray to convey forwards. When the tray is blocked by the material blocking device, the tray stops advancing, and the roller also stops rotating at the same time. However, in practice, the rollers are not stopped sometimes, so that hard friction is generated between the tray and the rollers, the load is increased, and the bevel gears in the driving mechanism are abraded, and the bevel gears are required to be replaced frequently. The friction force is adjusted by adjusting the compression amount of the spring in the transmission mechanism, if the compression amount is too small, the tray cannot be conveyed, and if the compression amount is too large, the tray cannot stop when stopping, the roller cannot stop. In the daily maintenance process, the compression amount of the spring is mainly determined by repeated debugging of the experience of a maintainer, and the time is long.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable spring force adjusting tool with a pressure value display, which aims to solve the problem that a maintainer adjusts the compression amount of a spring by experience in the daily maintenance process of a roller way, so that the adjustment of the spring force is more convenient and accurate, the maintenance efficiency is improved, and the equipment failure rate is reduced.

The utility model provides the following technical scheme:

a portable spring force adjusting tool with a pressure numerical value display function comprises a hand wheel, a movable clamping plate, a driving shaft, a screw rod, a flange plate, a static clamping plate and a guide rod; the pressure sensor is arranged between the flange plate and the static clamping plate and is fixedly installed by bolts penetrating through the flange plate, the pressure sensor and the static clamping plate, a screw rod is fixedly installed in the middle of the pressure sensor, a thread groove in threaded connection with the outer side of the end of the screw rod is formed in one end of the driving shaft, the movable clamping plate is sleeved outside the driving shaft, a shoulder used for positioning the axial position of the movable clamping plate on the driving shaft is arranged on the driving shaft, a hand wheel is connected to the other end of the driving shaft, and at least one group of guide rods is connected between the movable clamping plate and the static clamping plate; the movable clamping plate and the static clamping plate are further provided with U-shaped open slots, the two sets of U-shaped open slots are arranged at two ends of a central shaft of the spring to be adjusted in a riding mode, the spring is compressed through spring fixing rings abutting against two ends of the spring under the rotary driving of a rotary hand wheel, the pressure generated behind the spring is transmitted to the pressure sensor through the static clamping plate and the screw rod, and the pressure sensor is electrically connected with a digital pressure display instrument used for reading the bearing pressure value of the pressure sensor.

Preferably, the driving shaft is further sleeved with two groups of thrust ball bearings located on two sides of the movable clamping plate, and the driving shaft is further sleeved with a spacer bush which is matched with the shoulder to limit the axial positions of the thrust ball bearings and the movable clamping plate.

Preferably, the guide rod is externally connected with the movable clamping plate and the static clamping plate through two groups of linear bearings respectively.

Preferably, the movable clamping plate and the static clamping plate are provided with two groups of expansion plates distributed on two sides of the driving shaft, and a group of guide rods are respectively erected between the two groups of expansion plates which are oppositely arranged on the movable clamping plate and the static clamping plate and between the U-shaped open slot and the driving shaft.

Preferably, the U-shaped open slots on the movable clamping plate and the fixed clamping plate are both provided with two groups and are symmetrically distributed about the driving shaft.

The utility model has the beneficial effects that: the spring force adjusting tool can be conveniently moved above a spring to be adjusted, U-shaped open slots on the movable clamping plate and the static clamping plate are correspondingly arranged on central shafts at two ends of the spring, the driving shaft rotates in the movable clamping plate by rotating the hand wheel, meanwhile, the driving shaft is in threaded connection and matching with the screw rod, so that the movable clamping plate can be driven to be close to the static clamping plate, the spring is compressed by the spring fixing ring, meanwhile, the pressure generated after the spring is compressed is transmitted to the pressure sensor by the static clamping plate and the screw rod, the pressure sensor can transmit the pressure value to the digital pressure display for displaying, the compression amount of the spring can be fixed by locking the spring fixing ring after the pressure value reaches a certain value, and the tool can be conveniently and quickly taken down after the spring is adjusted, so that the spring force can be adjusted more conveniently and accurately, meanwhile, the overall structure is high in detachability, so that the maintenance efficiency is improved, and the equipment failure rate is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a structural cross-sectional view of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a sectional view of the present invention in a configuration in which the compression spring is engaged;

FIG. 4 is a schematic view of the construction of the drive shaft;

FIG. 5 is a schematic view of the screw structure;

FIG. 6 is a schematic structural view of the movable clamp plate;

FIG. 7 is a side sectional view of the movable clamp plate;

FIG. 8 is a schematic structural view of a stationary cleat;

FIG. 9 is a side sectional view of a static splint;

FIG. 10 is a schematic view showing the construction of a movable clamp plate in accordance with embodiment 2;

FIG. 11 is a schematic structural view of a stationary splint according to embodiment 2;

notation in the figure: 1. the device comprises a hand wheel, 2 parts of a spacer bush, 3 parts of a movable clamping plate, 4 parts of a thrust ball bearing, 5 parts of a driving shaft, 6 parts of a screw rod, 7 parts of a flange plate, 8 parts of a pressure sensor, 9 parts of a static clamping plate, 10 parts of a linear bearing, 11 parts of a guide rod, 12 parts of a digital pressure display instrument, 13 parts of a spring fixing ring, 14 parts of a spring, 15 parts of an expansion plate, 16 parts of a U-shaped open slot and 17 parts of a shoulder.

Detailed Description

Example 1

With reference to fig. 1 to 9, a portable spring force adjusting tool with a pressure value display function includes, in this embodiment, a hand wheel 1, a movable clamp plate 3, a driving shaft 5, a screw 6, a flange 7, a stationary clamp plate 9, and a guide rod 11; the pressure sensor 8 is arranged between the flange plate 7 and the static clamping plate 9 and is fixedly installed by bolts penetrating through the flange plate 7, the pressure sensor 8 and the static clamping plate 9, the middle part of the pressure sensor 8 is fixedly provided with a screw rod 6, one end of the driving shaft 5 is provided with a thread groove in threaded connection with the outer side of the end part of the screw rod 6, the movable clamping plate 3 is sleeved outside the driving shaft 5, the driving shaft 5 is provided with a shoulder 17 used for positioning the axial position of the movable clamping plate 3 on the driving shaft 5, the other end of the driving shaft 5 is connected with the hand wheel 1, and at least one group of guide rods 11 are connected between the movable clamping plate 3 and the static clamping plate 9; the movable clamp plate 3 and the static clamp plate 9 are further provided with U-shaped open grooves 16, two groups of U-shaped open grooves 16 ride at two ends of a central shaft of a spring 14 to be adjusted, the spring 14 is compressed by spring fixing rings 13 which abut against two ends of the spring 14 under the rotation drive of the rotating hand wheel 1, the pressure generated after the spring 14 is compressed is transmitted to the pressure sensor 8 through the static clamp plate 9 and the screw 6, and the pressure sensor 8 is electrically connected with a digital pressure display instrument 12 for reading the pressure value borne by the pressure sensor 8.

The driving shaft 5 is also sleeved with two groups of thrust ball bearings 4 positioned on two sides of the movable clamping plate 3, and the driving shaft 5 is also sleeved with a spacer 2 which is matched with a shoulder to limit the axial positions of the thrust ball bearings 4 and the movable clamping plate 3.

The guide rod 11 is respectively connected with the movable clamping plate 3 and the static clamping plate 9 through two groups of linear bearings 10.

Two groups of expansion plates 15 distributed on two sides of the driving shaft 5 are arranged on the movable clamping plate 3 and the static clamping plate 9, and a group of guide rods 11 are respectively erected on the movable clamping plate 3 and the static clamping plate 9 between the two groups of expansion plates 15 oppositely arranged on the movable clamping plate 3 and the static clamping plate 9 and between the U-shaped open slot 16 and the driving shaft 5.

Example 2

In order to further improve the adjustment efficiency and the symmetry of the compression force borne by the movable clamping plate 3 and the static clamping plate 9 when the spring 14 is compressed, two sets of U-shaped open grooves 16 are arranged on the movable clamping plate 3 and the static clamping plate 9 and are symmetrically distributed about the driving shaft 5, as shown in FIGS. 10-11.

The working principle of the utility model is as follows: the spring 14 force adjusting tool can be conveniently moved above a spring 14 to be adjusted, U-shaped open grooves 16 on a movable clamping plate 3 and a static clamping plate 9 are correspondingly arranged on central shafts at two ends of the spring 14, a driving shaft 5 rotates in the movable clamping plate 3 by rotating a hand wheel 1, meanwhile, the driving shaft is in threaded connection and matching with a screw 6, so that the movable clamping plate 3 can be driven to be close to the static clamping plate 9, the spring 14 is compressed through a spring fixing ring 13, meanwhile, pressure generated after the spring 14 is compressed is transmitted to a pressure sensor 8 through the static clamping plate 9 and the screw 6, the pressure sensor 8 can transmit a pressure value to a digital pressure display instrument 12 for display, after the pressure value reaches a certain value, the compression amount of the spring 14 can be fixed through the locking spring fixing ring 13, and after the adjustment of the spring 14 is completed, the tool can be conveniently and quickly taken down, therefore, the force of the spring 14 can be adjusted more conveniently and accurately, and the overall structure is higher in detachability, so that the maintenance efficiency is improved, and the equipment failure rate is reduced.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A portable spring force adjusting tool with a pressure numerical value display function is characterized by comprising a hand wheel, a movable clamping plate, a driving shaft, a screw rod, a flange plate, a static clamping plate and a guide rod; the pressure sensor is arranged between the flange plate and the static clamping plate and fixedly installed by bolts penetrating through the flange plate, the pressure sensor and the static clamping plate, a screw rod is fixedly installed in the middle of the pressure sensor, a thread groove in threaded connection with the outer side of the end of the screw rod is formed in one end of the driving shaft, the movable clamping plate is sleeved outside the driving shaft, a shoulder used for positioning the axial position of the movable clamping plate on the driving shaft is arranged on the driving shaft, a hand wheel is connected to the other end of the driving shaft, and at least one group of guide rods is connected between the movable clamping plate and the static clamping plate;

move the splint with still seted up U type open slot on the quiet splint, two sets of U type open slots are ridden at the center pin both ends of treating the adjustment spring, and under the rotary drive of rotatory hand wheel, come compression spring through the solid fixed ring of the spring that supports pressure spring both ends, and the pressure that produces behind the compression spring passes through quiet splint and screw rod transmission to pressure sensor on, just pressure sensor electricity is connected with the digital pressure display appearance that is used for reading pressure sensor and bears the pressure value.

2. The portable spring force adjusting tool with the pressure numerical value display function is characterized in that two groups of thrust ball bearings located on two sides of the movable clamping plate are sleeved outside the driving shaft, and a spacing sleeve which is matched with a shoulder to limit the axial positions of the thrust ball bearings and the movable clamping plate is sleeved outside the driving shaft.

3. The portable spring force adjustment tool with pressure value display of claim 2, wherein the guide rod is connected with the movable clamping plate and the static clamping plate through two groups of linear bearings.

4. The portable spring force adjustment tool with pressure value display of claim 1, wherein two sets of expansion plates are disposed on the movable clamp plate and the stationary clamp plate and distributed on two sides of the driving shaft, and a set of guide rods are respectively erected on the movable clamp plate and the stationary clamp plate between the two sets of expansion plates disposed opposite to each other and between the U-shaped open slot and the driving shaft.

5. The portable spring force adjusting tool with pressure value display of claim 4, wherein the U-shaped open slots on the movable clamping plate and the fixed clamping plate are provided with two groups and are symmetrically distributed about the driving shaft.

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