CN110894853A - Locking device for guide rail - Google Patents
Locking device for guide rail Download PDFInfo
- Publication number
- CN110894853A CN110894853A CN201911362338.0A CN201911362338A CN110894853A CN 110894853 A CN110894853 A CN 110894853A CN 201911362338 A CN201911362338 A CN 201911362338A CN 110894853 A CN110894853 A CN 110894853A
- Authority
- CN
- China
- Prior art keywords
- guide rail
- wedge
- lever assembly
- pressure pad
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/10—Arrangements for locking the bearings
Abstract
A locking device for a guide rail belongs to the technical field of guide rail application and aims to solve the problem that when an existing movable part slides on the guide rail, the movable part lacks a locking device, and the moving position precision of the movable part is difficult to guarantee. The invention comprises a lever component, a pressure pad, a wedge-shaped block and a driving mechanism; the lever assembly is arranged on the movable part of the guide rail, the lever assembly is attached to the wedge-shaped surface on the wedge-shaped block, the lever assembly is attached to the pressure pad, the pressure pad is attached to the guide rail, and the wedge-shaped block enables the lever assembly to press the pressure pad on the guide rail through the driving of the driving mechanism. The invention utilizes the lever principle through the lever assembly, drives the wedge block to translate through the driving mechanism, enables the wedge surface on the wedge block to act on the lever assembly, enables the lever assembly to act on the pressure pad to tightly press the guide rail, and can generate larger driving force to lock the guide rail by adopting the driving mode, thereby ensuring the reliability of the movable part stopping at a certain part of the guide rail and ensuring the position precision of the movable part stopping on the guide rail.
Description
Technical Field
The invention relates to a locking device, in particular to a locking device for a guide rail.
Background
The guide rail is a common part and is generally used for equipment to enable a certain part to do linear motion, and when the existing movable part slides on the guide rail, the movable part lacks a locking device, so that the motion position precision of the movable part is difficult to guarantee.
Disclosure of Invention
In order to solve the above problems, the present invention provides a locking device for a guide rail.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a locking device for a guide rail comprises a lever assembly, a pressure pad, a wedge block and a driving mechanism;
the lever assembly is arranged on the movable part of the guide rail, the lever assembly is attached to the wedge-shaped surface on the wedge-shaped block, the lever assembly is attached to the pressure pad, the pressure pad is attached to the guide rail, and the wedge-shaped block enables the lever assembly to press the pressure pad on the guide rail through the driving of the driving mechanism.
Further, the lever assembly comprises a stud, a pressure rod and a supporting block;
the two sides of the pressure rod are attached to wedge-shaped surfaces on the supporting block and the wedge-shaped block, the supporting block is attached to the pressure pad, a bolt hole is formed in the pressure rod and located between the pressure pad and the wedge-shaped block, a stud is arranged in the bolt hole of the pressure rod, one end of the stud is fixed to a movable part of the guide rail, and the other end of the stud presses the pressure rod through a gasket and a nut so that the two sides of the pressure rod are pressed on the wedge-shaped surfaces of the supporting block and the wedge-shaped block.
Further, the driving mechanism comprises a push rod, a piston rod and a cylinder body;
the push rod is fixedly connected with the piston, the piston is arranged in the cylinder body and is in sealing connection with the inner wall of the cylinder body, the piston divides the cylinder body into a locking cavity and an unlocking cavity, the push rod extends out of the cylinder body and is in sealing connection with the cylinder body, the cylinder body is provided with a connector, one connector is communicated with the locking cavity, and the other connector is communicated with the unlocking cavity.
Furthermore, the pressure pad is made of copper.
Compared with the prior art, the invention has the following beneficial effects:
the invention utilizes the lever principle through the lever assembly, drives the wedge block to translate through the driving mechanism, enables the wedge surface on the wedge block to act on the lever assembly, enables the lever assembly to act on the pressure pad to tightly press the guide rail, and can generate larger driving force to lock the guide rail by adopting the driving mode, thereby ensuring the reliability of the movable part stopping at a certain part of the guide rail and ensuring the position precision of the movable part stopping on the guide rail.
Drawings
FIG. 1 is a schematic of the present invention.
Detailed Description
The invention will be described in further detail below with reference to the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.
Example 1: as shown in fig. 1, the locking device for a guide rail of the present embodiment includes a lever assembly 1, a pressure pad 2, a wedge 3, and a driving mechanism 4;
lever assembly 1 sets up on the movable part 6 of guide rail, and lever assembly 1 pastes with the wedge face on the wedge 3 mutually, and lever assembly 1 pastes with pressure pad 2 mutually, and pressure pad 2 pastes with the guide rail mutually, and wedge 1 drives through actuating mechanism 4 and enables lever assembly 1 and press pad 2 on the guide rail.
Preferably, the wedge-shaped block 3 is arranged on the connecting plate 5, a sliding groove is processed on the connecting plate 5, the wedge-shaped block 3 slides in the sliding groove of the connecting plate 5, the connecting piece 5 is connected with the movable part 6 through a screw, and the connecting plate 5 and the movable part 6 are positioned through a pin, so that the smooth sliding of the wedge-shaped block 3 in the connecting plate 5 is ensured.
Preferably, the lever component 1 comprises a stud bolt 1-1, a pressure rod 1-2 and a supporting block 1-3;
two sides of the pressure rod 1-2 are attached to wedge-shaped surfaces on the supporting blocks 1-3 and the wedge-shaped blocks 3, the supporting blocks 1-3 are attached to the pressure pad 2, bolt holes are formed in the pressure rod 1-2, the bolt holes in the pressure rod 1-2 are located between the pressure pad 2 and the wedge-shaped blocks 3, the stud bolts 1-1 are arranged in the bolt holes of the pressure rod 1-2, one end of the stud bolts 1-1 is fixed to a movable part 6 of the guide rail, and the other end of the stud bolts 1-1 presses the pressure rod 1-2 through a gasket and a nut, so that two sides of the pressure rod 1-2 are pressed on the wedge-shaped surfaces of the supporting blocks 1-3 and the.
The stud 1-1 is located adjacent to the support block 1-3 to provide a lower force to produce a higher locking force.
Preferably, the driving mechanism 4 comprises a push rod 4-1, a piston 4-2 and a cylinder 4-3;
the push rod 4-1 is fixedly connected with the piston 4-2, the piston 4-2 is arranged in the cylinder 4-3 and is in sealing connection with the inner wall of the cylinder 4-3, the piston 4-3 divides a chamber in the cylinder 4-3 into a locking chamber 431 and an unlocking chamber 432, the push rod 4-1 extends out of the cylinder 4-3 and is in sealing connection with the cylinder 4-3, two connectors 4-4 are arranged on the cylinder 4-3, one connector 4-4 is communicated with the locking chamber 431, and the other connector 4-4 is communicated with the unlocking chamber 432.
The joint 4-4 on the cylinder 4-3 in this embodiment is connected with an external hydraulic station through a pipeline, hydraulic oil is used for filling the locking chamber 431 or the unlocking chamber 432, the piston 4-2 generates thrust, so that one side of the pressure rod 1-2 is lifted or lowered through the wedge-shaped block 3, the pressure pad 2 generates pressure on the guide rail, the guide rail is locked, or the pressure pad 2 does not generate pressure on the guide rail, and the guide rail is unlocked.
When the pressure in the locking chamber 431 is greater than the pressure in the unlocking chamber 432, the push rod 4-1 moves to lift one side of the pressure rod 1-2 in contact with the wedge-shaped block 3, so that the pressure rod 1-2 presses the pressure pad 2, and the pressure pad 2 generates pressure to the guide rail to lock the guide rail;
when the pressure in the locking chamber 431 is smaller than the pressure in the unlocking chamber 432, the push rod 4-1 moves to lower one side of the pressure rod 1-2 in contact with the wedge block 3, so that the pressure rod 1-2 does not generate pressure on the pressure pad 2, and the guide rail is in an unlocking state.
The pressure pad 2 in this embodiment may be made of copper to improve wear resistance.
Claims (4)
1. A locking device for a guide rail is characterized in that: the device comprises a lever assembly (1), a pressure pad (2), a wedge-shaped block (3) and a driving mechanism (4);
the lever assembly (1) is arranged on a movable part (6) of the guide rail, the lever assembly (1) is attached to a wedge surface on the wedge block (3), the lever assembly (1) is attached to the pressure pad (2), the pressure pad (2) is attached to the guide rail, and the wedge block (1) enables the lever assembly (1) to press the pressure pad (2) on the guide rail through the driving of the driving mechanism (4).
2. A locking device for a guide rail according to claim 1, wherein: the lever assembly (1) comprises a stud (1-1), a pressure lever (1-2) and a supporting block (1-3);
two sides of a pressure lever (1-2) are attached to wedge-shaped surfaces on a supporting block (1-3) and a wedge-shaped block (3), the supporting block (1-3) is attached to a pressure pad (2), a bolt hole is processed on the pressure lever (1-2), the bolt hole on the pressure lever (1-2) is located between the pressure pad (2) and the wedge-shaped block (3), a stud (1-1) is arranged in the bolt hole of the pressure lever (1-2), one end of the stud (1-1) is fixed on a movable part (6) of a guide rail, and the other end of the stud (1-1) presses the pressure lever (1-2) through a gasket and a nut, so that two sides of the pressure lever (1-2) are pressed on the wedge-shaped surfaces of the supporting block (1-3) and the wedge-shaped block (3).
3. A locking device for a guide rail according to claim 2, wherein: the driving mechanism (4) comprises a push rod (4-1), a piston (4-2) and a cylinder body (4-3);
the push rod (4-1) is fixedly connected with the piston (4-2), the piston (4-2) is arranged in the cylinder body (4-3) and is in sealing connection with the inner wall of the cylinder body (4-3), the piston (4-3) divides a chamber in the cylinder body (4-3) into a locking chamber (431) and an unlocking chamber (432), the push rod (4-1) extends out of the cylinder body (4-3) and is in sealing connection with the cylinder body (4-3), two joints (4-4) are arranged on the cylinder body (4-3), one joint (4-4) is communicated with the locking chamber (431), and the other joint (4-4) is communicated with the unlocking chamber (432).
4. A locking device for a guide rail according to claim 3, wherein: the pressure pad (2) is made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911362338.0A CN110894853A (en) | 2019-12-26 | 2019-12-26 | Locking device for guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911362338.0A CN110894853A (en) | 2019-12-26 | 2019-12-26 | Locking device for guide rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110894853A true CN110894853A (en) | 2020-03-20 |
Family
ID=69788106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911362338.0A Pending CN110894853A (en) | 2019-12-26 | 2019-12-26 | Locking device for guide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110894853A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514256A (en) * | 2021-06-16 | 2021-10-19 | 杭叉集团股份有限公司 | Multifunctional pedal fatigue performance test bench and locking method thereof |
-
2019
- 2019-12-26 CN CN201911362338.0A patent/CN110894853A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514256A (en) * | 2021-06-16 | 2021-10-19 | 杭叉集团股份有限公司 | Multifunctional pedal fatigue performance test bench and locking method thereof |
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