CN115789036A - Hydraulic locking and detecting device - Google Patents
Hydraulic locking and detecting device Download PDFInfo
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- CN115789036A CN115789036A CN202211325460.2A CN202211325460A CN115789036A CN 115789036 A CN115789036 A CN 115789036A CN 202211325460 A CN202211325460 A CN 202211325460A CN 115789036 A CN115789036 A CN 115789036A
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- locking
- locking plate
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Abstract
The invention discloses a hydraulic locking and detecting device. The method comprises the following steps: the locking device comprises a shell, a locking mechanism and a locking mechanism, wherein a sliding cavity is arranged in the middle of the shell, and a locking plate with a hollow part is arranged in the sliding cavity in a sliding manner; a hydraulic locking cylinder is arranged on the side wall of the shell corresponding to the hollow part of the locking plate; a piston rod of the hydraulic locking cylinder is positioned in the hollow part of the locking plate, and two ends of the piston rod are abutted against two side edges of the hollow part of the locking plate; the hydraulic locking cylinder drives the piston rod to move left and right so as to drive the locking plate to slide left and right in the shell; one end of the locking plate extends out of the shell, and a locking block is arranged on the end face of one end of the locking plate extending out of the shell. The hydraulic cylinder and the locking plate are in spherical-plane contact, so that the impact load borne by a moving object can be ensured not to cause the piston rod of the hydraulic cylinder to be twisted and other unfavorable conditions. The locking plate with larger size reduces the contact stress of the locking surface on one hand, and is more convenient to replace on the other hand. The device adopts a travel switch, and the signal detection is reliable.
Description
Technical Field
The invention relates to a hydraulic locking and detecting device.
Background
Mechanical equipment often has the removal article and needs to lock at the operating position, and traditional locking cylinder mostly directly uses the piston rod to lock, and the impact load of removing the article directly transmits to the piston rod on, leads to easily that the locking cylinder to appear leaking oil inefficacy form, has reduced the working life of locking cylinder. The piston locking rod is limited by the diameter of the piston rod, and the contact stress between the piston locking rod and a moving object is usually very large, so that the conditions of serious abrasion, inconvenient replacement and the like are easy to occur. In addition, in an automatic control system, a locking/opening position signal needs to be given, and a common built-in proximity switch of a hydraulic cylinder has high pressure, is easy to damage and is inconvenient to maintain; the external proximity switch can often generate the situations of signal misinformation and the like in the occasions with poor working conditions.
Disclosure of Invention
In view of the above problems, the present invention provides a hydraulic locking and detecting device.
In order to achieve the above object, the hydraulic locking and detecting device of the present invention comprises:
a shell body, a plurality of first connecting rods and a plurality of second connecting rods,
a sliding cavity is arranged in the middle of the shell, and a locking plate with a hollow part is arranged in the sliding cavity in a sliding manner;
a hydraulic locking cylinder is arranged on the side wall of the shell corresponding to the hollow part of the locking plate; a piston rod of the hydraulic locking cylinder is positioned in the hollow part of the locking plate, and two ends of the piston rod are abutted against two side edges of the hollow part of the locking plate; the hydraulic locking cylinder drives the piston rod to move left and right to drive the locking plate to slide left and right in the shell;
one end of the locking plate extends out of the shell, and a locking block is arranged on the end face of one end, extending out of the shell, of the locking plate.
Furthermore, the shell comprises a bottom plate and an outer frame arranged on the bottom plate; a sliding cavity matched with the locking plate is formed between the bottom plate and the outer frame.
Furthermore, the locking block is a wedge block.
Furthermore, an oil groove is formed in the side face, which is in contact with the shell, of the locking plate.
Furthermore, a touch bracket is arranged at the other end of the locking plate, and a process limit switch and a return limit switch are arranged on the shell corresponding to the L touch arm; the touch bracket presses the process limit switch when the locking plate advances to a preset position; the touch bracket is pressed against the return limit switch when the locking plate is retracted to a preset position.
Furthermore, the touch support is in an inverted L shape.
Further, the shell is provided with a short bracket and a long bracket; the process limit switch is arranged on the short bracket, and the return limit switch is arranged on the long bracket; and the short support and the long support are both provided with long holes for installing and adjusting the limit switches.
The hydraulic locking cylinder of the invention adopts a hydraulic locking mode to ensure locking force (non-spring locking), a locking plate with larger size is added between the locking cylinder and a moving object, and the locking plate is arranged between the bottom plate and the outer frame and can only transversely move back and forth. The hydraulic cylinder and the locking plate are in spherical-plane contact, so that the impact load borne by a moving object can be ensured not to cause the piston rod of the hydraulic cylinder to be twisted and other unfavorable conditions. The locking plate with larger size reduces the contact stress of the locking surface on one hand, and is more convenient to replace on the other hand. This device adopts travel switch, detects the position of locking jar through setting up sense support ingeniously, and the signal detects reliably, does not have the requirement to operational environment.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a hydraulic locking and detecting device of the present invention.
Fig. 2 is a schematic structural view in another direction of fig. 1.
Fig. 3 is a schematic cross-sectional view of fig. 1.
Fig. 4 is a schematic structural diagram of the outer frame.
Fig. 5 is a schematic structural view of the base plate.
Fig. 6 is a schematic structural view of the hydraulic lock cylinder.
Fig. 7 is a structural view of the locking plate.
Fig. 8 is a schematic view of the state at the time of locking.
Fig. 9 is a schematic view of the state when opened.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An embodiment of the present invention, as shown in fig. 1 to 9, includes: the hydraulic locking device comprises an outer frame 1, a hydraulic locking cylinder 2 (a piston rod 2.1), a locking plate 3, a wedge block 4, a movable object 5, a bottom plate 6, an oil cup 7, a touch support 8, a short support 9, a travel switch 10, a switch bottom plate 11, a long support 12 and the like.
Wherein, frame 1 passes through the bolt mounting on bottom plate 6, and the inboard fluting of frame for installation locking plate 3, fluting width and the thickness looks adaptation of degree of depth and locking plate 3. The middle of the outer frame 1 is provided with a rectangular hole, and the size of the rectangular hole is obviously larger than the external dimension of the hydraulic locking cylinder 2. One side end face of the outer frame 1 is provided with a threaded hole for mounting the short bracket 9 and the long bracket 12.
The bottom of the hydraulic locking cylinder 2 is a round pin which is matched and positioned with a round hole on the bottom plate 6, and then the round pin is installed on the bottom plate 6 through a bolt. Two ends of the piston rod 2.1 are spherical surfaces, the hydraulic locking cylinder 2 is provided with two oil ports, and the piston rod 2.1 moves left and right under the action of oil pressure on two sides.
The locking plate 3 is arranged between the outer frame 1 and the bottom plate 6, a rectangular hole is arranged in the middle of the locking plate 3, and the width dimension of the rectangular hole is obviously larger than that of the hydraulic locking cylinder 2; two end faces of the rectangular hole in the length direction are finish machining faces, the length of the finish machining faces is slightly larger than that of the piston rod 2.1, so that the hydraulic locking cylinder 2 can be installed in the locking plate 3, and two sides of the hydraulic locking cylinder do not have large gaps during reciprocating motion. The end part of one side of the locking plate 3 is provided with a step and a screw hole for installing the wedge block 4.
Four faces of the locking plate 3 except the left side and the right side are matched sliding faces, so that oil grooves are formed in the four faces, two oil filling holes are formed in the upper end and the lower end of the end portion of the other end of the locking plate 3, and each oil hole can convey oil to the corresponding 3 faces of the oil grooves through oil passages. In addition, the side surface is also provided with a screw hole for installing the touch bracket 8.
The wedge 4 is arranged on the locking plate 3 by a screw, and the inclined plane is matched with the inclined plane of the movable object 5 to play a locking effect.
A groove is arranged on the bottom plate 6, and the width of the groove is matched with the width of the outer frame 1 so as to position the outer frame 1; screw holes for mounting the outer frame 1 and the hydraulic locking cylinder 2 are formed in the groove surface respectively; and a positioning hole matched with the round pin at the bottom of the hydraulic locking cylinder 2 is also arranged.
The oil cup 7 pumps oil to the corresponding oil groove through the oil passage.
The touch support 8 is mounted at the end of the locking plate 3 through a screw and reciprocates left and right along with the locking plate 3. The upper and lower parts of the end part of the touch support 8 are provided with two inclined planes, the angle of the inclined planes meets the requirement of the lead-in angle of the travel switch 10, and the upper and lower inclined planes respectively detect the positions of the movable object 5 in locking (process) and opening (return stroke).
Short support 9 all passes through the screw mounting on frame 1 with long support 12, all sets up the slot hole on short support 9 and the long support 12 for installation and the position of adjustment switch bottom plate 11, so that the position of adjustment travel switch 10 guarantees the accuracy and the reliability that detect.
The bottom plate 11 is installed on the short bracket 9 and the long bracket 12 through screws, and threaded holes for installing the travel switches 10 are further formed in the bottom plate.
Through the arrangement of the mechanism, the hydraulic cylinder and the locking plate are in spherical-plane contact, so that the unfavorable conditions that the piston rod of the hydraulic cylinder is not twisted and the like due to impact load borne by a moving object can be ensured. The locking plate with larger size reduces the contact stress of the locking surface on one hand, and is more convenient to replace on the other hand. This device adopts travel switch, detects the position of locking jar through setting up sense support ingeniously, and signal detection is reliable, does not have the requirement to operational environment.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a hydraulic pressure locking and detection device which characterized in that includes:
a shell body, a plurality of first connecting rods and a plurality of second connecting rods,
a sliding cavity is arranged in the middle of the shell, and a locking plate with a hollow part is arranged in the sliding cavity in a sliding manner;
a hydraulic locking cylinder is arranged on the side wall of the shell corresponding to the hollow part of the locking plate; a piston rod of the hydraulic locking cylinder is positioned in the hollow part of the locking plate, and two ends of the piston rod are abutted against two side edges of the hollow part of the locking plate; the hydraulic locking cylinder drives the piston rod to move left and right so as to drive the locking plate to slide left and right in the shell;
one end of the locking plate extends out of the shell, and a locking block is arranged on the end face of one end of the locking plate extending out of the shell.
2. The hydraulic locking and detecting device of claim 1, wherein the housing includes a base plate and an outer frame disposed on the base plate; a sliding cavity matched with the locking plate is formed between the bottom plate and the outer frame.
3. A hydraulic locking and testing device as defined in claim 1 wherein said locking block is a wedge.
4. A hydraulic lock and test device as claimed in claim 1 wherein oil grooves are provided in the side of the lock plate that contacts the housing.
5. A hydraulic locking and detecting device as claimed in claim 1, wherein a touch bracket is provided at the other end of the locking plate, and a stroke limit switch and a return limit switch are provided on the housing corresponding to the L touch arm; the touch bracket presses the process limit switch when the locking plate advances to a preset position; the touch bracket is pressed against the return limit switch when the locking plate retreats to a preset position.
6. A hydraulic latching and sensing device according to claim 5 wherein said touch sensitive support is of inverted L shape.
7. The hydraulic locking and testing device of claim 5 wherein said housing is mounted on a short bracket and a long bracket; the process limit switch is arranged on the short bracket, and the return limit switch is arranged on the long bracket; and the short support and the long support are both provided with long holes for installing and adjusting the limit switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211325460.2A CN115789036A (en) | 2022-10-27 | 2022-10-27 | Hydraulic locking and detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211325460.2A CN115789036A (en) | 2022-10-27 | 2022-10-27 | Hydraulic locking and detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115789036A true CN115789036A (en) | 2023-03-14 |
Family
ID=85434043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211325460.2A Pending CN115789036A (en) | 2022-10-27 | 2022-10-27 | Hydraulic locking and detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115789036A (en) |
-
2022
- 2022-10-27 CN CN202211325460.2A patent/CN115789036A/en active Pending
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