Measuring device based on linear module

By incorporating protective and lubrication components between the slider and the guide rail, the wear problem caused by dry friction of the slider is solved, improving the motion accuracy and applicability of the measuring device and making it compatible with a variety of measuring instruments.

CN223756066UActive Publication Date: 2026-01-02SHENZHEN DEVOL ROBOT CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520089627.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-01-02
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

When the slider in the linear module reciprocates along the guide rail, the lack of a protective lubrication device leads to dry friction between the guide rail and the slider. The friction coefficient is large, causing the contact surface to wear rapidly, which affects the measurement accuracy and the positioning accuracy of the sensor.

Method used

A protective component and a lubrication component are installed between the slider and the guide rail. The protective component is formed by a corrugated stretch tube to block dust and impurities, while the lubrication component achieves automatic lubrication by rotating the central shaft and contacting the outer layer of the sponge, thereby reducing the coefficient of friction.

Benefits of technology

It effectively prevents dust and impurities from entering, reduces frictional resistance, ensures smooth movement of the slider, improves the motion accuracy and applicability of the measuring device, and is compatible with a variety of measuring instruments.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223756066U_ABST
    Figure CN223756066U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of measuring devices, and particularly relates to a measuring device based on a linear module, which comprises a displacement assembly, a protective assembly arranged at the front end of the displacement assembly, and a lubricating assembly arranged at the inner end of the protective assembly, and solves the problems that when no protective lubricating device exists, the displacement assembly and the protective assembly are in direct dry friction, the friction coefficient is large, and the measuring precision is high. The problems that in the prior art, due to dry friction, the contact face of a guide rail and a sliding block is rapidly abraded, damage such as scratches and potholes can appear on the original smooth surface, the matching precision is reduced, the positioning accuracy of a sensor is affected in the measuring process, and then the measuring result deviates are solved, and a corrugated stretching pipe of a protection assembly is arranged in front of a displacement assembly; when the sliding table surface plate reciprocates according to tasks, the sliding table surface plate serves as a barrier to cover the displacement path, dust, chippings and other impurities are blocked, and lubricating operation is conducted in cooperation with the lubricating assembly.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to measuring device technical field, concretely is a kind of measuring device based on linear module. BACKGROUND

[0002] The measuring device based on linear module is a kind of precision measuring instrument constructed with linear module as core. Linear module is usually composed of guide rail, slider, motor, screw or synchronous belt and other components. Guide rail provides high-precision linear motion guide, slider can smoothly slide along guide rail, motor drives screw rotation or synchronous belt operation as power source, and then pushes slider to realize accurate linear displacement. On this basis, the measuring device is also equipped with various sensors, such as laser displacement sensor, contact type measuring probe and supporting control system.

[0003] In the prior art, the authorized announcement number is CN213579885U, and the name is a measuring device based on linear module, which comprises a base, a connecting seat is installed at the top of the base, a support is installed at the top of the connecting seat, a threaded rod is threadedly connected to the top of the connecting seat, a first rotating wheel is installed at the top of the threaded rod, a connecting belt is drivingly connected to the outer side of the first rotating wheel, and a second rotating wheel is drivingly connected to the inner side of the other end of the connecting belt. The display is displayed, the buckle assembly is set, the display can be conveniently installed and disassembled, other tools are not needed, the replacement of the display and fan is more rapid and convenient.

[0004] The measuring device based on linear module in the above device is provided with a buckle assembly, the display can be conveniently installed and disassembled, other tools are not needed, the replacement of the display and fan is more rapid and convenient. However, when using the above device, the slider in the linear module reciprocates along the guide rail, direct dry friction occurs between the two without a protective lubricating device, the friction coefficient is large, dry friction can cause the contact surface of the guide rail and the slider to be rapidly worn, scratches, pits and other damages can occur on the originally smooth surface, the matching precision is reduced, the positioning accuracy of the sensor during measurement is affected, and the measurement result is deviated. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem that the slider in the linear module reciprocates along the guide rail, direct dry friction occurs between the two without a protective lubricating device, the friction coefficient is large, dry friction can cause the contact surface of the guide rail and the slider to be rapidly worn, scratches, pits and other damages can occur on the originally smooth surface, the matching precision is reduced, the positioning accuracy of the sensor during measurement is affected, and the measurement result is deviated.

[0006] In order to solve the above technical problems, the utility model provides a kind of measuring device based on linear module, including displacement component, the front end of displacement component is provided with protection component, the inner end of protection component is provided with lubricating component;

[0007] Displacement component includes bottom support plate, the upper and lower sides of the front end of bottom support plate are fixedly connected with side bracket block correspondingly, two side bracket blocks are installed with screw rod, the upper end of screw rod is provided with drive motor, the left and right sides of the front end of bottom support plate are symmetrically provided with side convex slide bar, the outer end of screw rod is installed with slide platform flat plate, the end of slide platform flat plate away from bottom support plate is provided with installation main hole, the inner end of installation main hole is installed with measuring instrument body;

[0008] Protection component includes two corrugated stretch tubes, two corrugated stretch tubes are connected on the upper and lower sides of slide platform flat plate respectively, the end of corrugated stretch tube close to bottom support plate is provided with internal connecting rod.

[0009] Preferably, slide platform flat plate and side convex slide bar are slidingly connected, the output end of drive motor is connected with screw rod.

[0010] Preferably, the end of slide platform flat plate away from bottom support plate is provided with a plurality of auxiliary installation holes, and the plurality of auxiliary installation holes are located on the outer side of installation main hole.

[0011] Preferably, the lubricating component includes two pairs of side connecting vertical plates, and a rotating central shaft member is installed between the two corresponding side connecting vertical plates.

[0012] Preferably, the rotating central shaft member is provided with a liquid storage inner cavity at the middle portion, and a liquid outlet electromagnetic valve is arranged at the lower end of the liquid storage inner cavity.

[0013] Preferably, a sponge contact outer layer is arranged on the outer side of the liquid storage inner cavity, and the sponge contact outer layer and the liquid outlet electromagnetic valve are matched with each other.

[0014] Preferably, the liquid storage inner cavity is filled with a plurality of maintenance liquids, and the maintenance liquids are matched with the outer wall surface of the side convex slide bar.

[0015] Compared with the related art, the utility model has the following beneficial effects:

[0016] 1、The corrugated stretch tube of protection component is arranged in front of displacement component in the utility model, when slide platform flat plate reciprocates according to task, it is as a barrier to cover displacement path, blocks dust, chippings and other impurities, prevents it from falling into the gap between slide platform flat plate and side bracket block guide rail area or side convex slide bar, avoids increasing friction to hinder movement, interferes with measurement accuracy and efficiency, and lubricates operation.

[0017] 2. In this utility model, the lubrication component is located in front of the side protruding slide rod. The core component, the rotating shaft, can rotate on its own. When lubrication and maintenance are required, the operator triggers its rotation via a command from the control terminal. The liquid outlet solenoid valve opens simultaneously, and the maintenance liquid in the empty storage chamber flows out under gravity and pressure difference. It is absorbed by the outer layer of the sponge and then evenly coated and rubbed on the surface of the side protruding slide rod, reducing the coefficient of friction, ensuring smooth and stable displacement of the slide plate, and improving motion accuracy.

[0018] 3. The auxiliary mounting holes of the sliding table plate in this utility model are versatile and compatible, and can be adapted to various measuring instruments such as laser rangefinders. The measuring instruments can be mounted on it with the appropriate adapter connectors according to the task, so that the device can flexibly cope with measurement operations with different fields and accuracy requirements, broaden the scope of application, and enhance competitiveness.

[0019] To make the above and other objects, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the displacement component of this utility model from the axial side.

[0022] Figure 2 For the present utility model Figure 1 Enlarged schematic diagram of a partial truncation of the mid-displacement component;

[0023] Figure 3 For the present utility model Figure 1 Schematic diagram of the internal structure of the mid-displacement component;

[0024] Figure 4 For the present utility model Figure 3 Schematic diagram of the enlarged truncated upper part of the mid-displacement component;

[0025] Figure 5 For the present utility model Figure 1 Enlarged schematic diagram of the lubrication assembly.

[0026] Numbering on the map:

[0027] 1, displacement assembly; 100, bottom support plate; 101, drive motor; 102, side bracket block; 103, screw rod; 104, side convex slide rod; 105, slide platform flat plate; 106, installation main hole; 107, auxiliary installation hole; 108, measuring instrument body; 2, protection assembly; 200, corrugated stretch pipe; 201, internal connecting rod; 3, lubrication assembly; 300, side connecting vertical plate; 301, rotating central axis; 302, liquid storage inner cavity; 303, liquid outlet electromagnetic valve; 304, sponge contact outer layer. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Please refer to Figures 1-5 A measuring device based on a linear module, comprising a displacement assembly 1, characterized in that the front end of the displacement assembly 1 is provided with a protection assembly 2, and the inner end of the protection assembly 2 is provided with a lubrication assembly 3.

[0030] The displacement assembly 1 comprises a bottom support plate 100, the upper and lower sides of the front end of the bottom support plate 100 are correspondingly fixedly connected with side bracket blocks 102, a screw rod 103 is installed between the two side bracket blocks 102, the upper end of the screw rod 103 is provided with a drive motor 101, the left and right sides of the front end of the bottom support plate 100 are symmetrically provided with side convex slide rods 104, the outer end of the screw rod 103 is installed with a slide platform flat plate 105, the end, away from the bottom support plate 100, of the slide platform flat plate 105 is provided with an installation main hole 106, and the inner end of the installation main hole 106 is installed with a measuring instrument body 108.

[0031] The protection assembly 2 comprises two corrugated stretch pipes 200, the upper and lower sides of the slide platform flat plate 105 are respectively connected with the two corrugated stretch pipes 200, and the end, close to the bottom support plate 100, of the corrugated stretch pipe 200 is provided with an internal connecting rod 201.

[0032] The slide platform flat plate 105 and the side convex slide rod 104 are slidably connected, the output end of the drive motor 101 is connected with the screw rod 103, the end, away from the bottom support plate 100, of the slide platform flat plate 105 is provided with a plurality of auxiliary installation holes 107, and the plurality of auxiliary installation holes 107 are respectively located outside the installation main hole 106.

[0033] Please see 2, through the auxiliary installation hole 107 of the sliding platform plane plate 105 has universality and compatibility, can adapt to laser range finder and other various measuring instruments, depending on the task to adapt the connecting piece to install the measuring instrument on it, so that the device can flexibly cope with different fields, precision requirements of measurement operation, broaden the scope of application, improve the competitiveness.

[0034] By setting the lubricating assembly 3 includes two pairs of side connecting vertical plate 300, corresponding to two side connecting vertical plate 300 between the installation of rotating shaft 301, the rotating shaft 301 in the middle part is provided with liquid storage inner cavity 302, the lower end of the liquid storage inner cavity 302 is provided with liquid outlet solenoid valve 303, the outer side of the liquid storage inner cavity 302 is provided with sponge contact outer layer 304, the sponge contact outer layer 304 and liquid outlet solenoid valve 303 are matched with each other, the inner end of the liquid storage inner cavity 302 is filled with several maintenance liquid, the maintenance liquid and the outer wall surface of the side convex slide rod 104 are matched with each other.

[0035] Please see 1, 3, 5, through the above-mentioned lubricating assembly 3 is located in front of the side convex slide rod 104, the core component rotating shaft 301 can rotate, when lubrication and maintenance are needed, the operator triggers its rotation by controlling the terminal instruction, the liquid outlet solenoid valve 303 is opened synchronously, the maintenance liquid in the liquid storage inner cavity 302 flows out under the action of gravity and pressure difference, is adsorbed by the sponge contact outer layer 304, and is uniformly coated and rubbed on the surface of the side convex slide rod 104, so that the friction coefficient is reduced, the displacement of the sliding platform plane plate 105 is smooth and stable, and the motion precision is improved.

[0036] The utility model discloses a specific implementation process as follows: when the device works, the measuring instrument body 108 moves on the displacement assembly 1 according to the preset program or the instruction of the operator, and the target object or area is measured point by point, the measuring instrument body 108 real -time acquisition data and transmission to the control system and are handled and analyzed, and the protection assembly 2 can play the key protection effect, wherein the corrugated stretch pipe 200 is placed in front of displacement assembly 1, when the device works, the slide platform plane plate 105 does reciprocating up and down movement according to the measurement task, and the corrugated stretch pipe 200 is used as a barrier and covers the displacement path comprehensively, blocks the impurities such as dust, chippings, if the impurities are not blocked and fall into the guide rail area between the slide platform plane plate 105 and the side support block 102 or the cooperation gap between the slide platform plane plate 105 and the side convex slide rod 104, the frictional resistance will be increased, the slide platform plane plate 105 is hindered to move smoothly, and the measurement accuracy and efficiency are interfered, simultaneously, the lubricating assembly 3 is placed in front of the side convex slide rod 104, and the core component rotating shaft part 301 can rotate, when the side convex slide rod 104 needs to be lubricated and maintained to guarantee the motion performance of the slide platform plane plate 105, the operator sends the instruction through the control terminal, triggers the rotating shaft part 301 to rotate, the liquid outlet electromagnetic valve 303 receives the opening signal synchronously and opens the valve, the maintenance liquid in the liquid storage empty bin 302 flows out uniformly under the action of gravity and pressure difference, and is adsorbed with the sponge contact outer layer 304, the sponge contact outer layer 304 is coated and rubbed on the surface of the side convex slide rod 104 uniformly through the adsorption characteristic and the fit structure, reduces the friction coefficient, guarantees that the slide platform plane plate 105 moves smoothly and stably, and the motion precision of the measuring device is improved, and the measuring device has universality and compatibility, can be adapted to various measuring instruments, such as laser range finder, contact probe, optical sensor etc., different measuring instruments are stably mounted on the auxiliary mounting hole 107 according to the specific measurement task with the adaptive connecting piece, so that the measuring device can flexibly cope with different fields, precision requirement measurement operation, widen the application range, and improve market competitiveness.

[0037] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structure or equivalent process conversion using the utility model specification and drawing contents, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.

Claims

1. A linear module based measuring device comprising a displacement assembly (1), characterized in that, The front end of the displacement assembly (1) is provided with a protection assembly (2), and the inner end of the protection assembly (2) is provided with a lubricating assembly (3). The displacement assembly (1) comprises a bottom support plate (100), the upper and lower sides of the front end of the bottom support plate (100) are correspondingly fixedly connected with side support blocks (102), a lead screw (103) is installed between the two side support blocks (102), the upper end of the lead screw (103) is provided with a driving motor (101), the left and right sides of the front end of the bottom support plate (100) are symmetrically provided with side convex sliding rods (104), the outer end of the lead screw (103) is installed with a sliding table flat plate (105), the end of the sliding table flat plate (105) away from the bottom support plate (100) is provided with a mounting main hole (106), the inner end of the mounting main hole (106) is installed with a measuring instrument body (108). The protection assembly (2) comprises two corrugated stretch pipes (200), the upper and lower sides of the sliding table flat plate (105) are respectively connected with the two corrugated stretch pipes (200), and the end of the corrugated stretch pipe (200) close to the bottom support plate (100) is provided with an internal connecting rod (201).

2. The linear module based measuring device of claim 1, wherein: The sliding table flat plate (105) and the side convex sliding rod (104) are slidably connected, and the output end of the driving motor (101) is connected with the lead screw (103).

3. The linear module based measuring device of claim 1, wherein: The end of the sliding table flat plate (105) away from the bottom support plate (100) is provided with a plurality of auxiliary mounting holes (107), and the plurality of auxiliary mounting holes (107) are located outside the mounting main hole (106).

4. The linear module based measuring device of claim 1, wherein: The lubricating assembly (3) comprises two pairs of side connecting vertical plates (300), and a rotating middle shaft member (301) is installed between the two corresponding side connecting vertical plates (300).

5. A linear module based measuring device according to claim 4, characterized in that: The middle part of the rotating middle shaft member (301) is provided with a liquid storage inner cavity (302), and the lower end of the liquid storage inner cavity (302) is provided with a liquid outlet electromagnetic valve (303).

6. A linear module based measuring device according to claim 5, characterized in that: The outer side of the liquid storage inner cavity (302) is sleeved with a sponge contact outer layer (304), and the sponge contact outer layer (304) and the liquid outlet electromagnetic valve (303) are matched with each other.

7. A linear module based measuring device according to claim 6, characterized in that: The inner end of the liquid storage inner cavity (302) is filled with a plurality of curing liquids, and the curing liquids are matched with the outer wall surface of the side convex sliding rod (104).

Citation Information

Patent Citations

  • Measuring device based on linear module

    CN213579885U