CN215058577U - External rack type automatic following oil cylinder mechanical stopping mechanism - Google Patents
External rack type automatic following oil cylinder mechanical stopping mechanism Download PDFInfo
- Publication number
- CN215058577U CN215058577U CN202120695896.5U CN202120695896U CN215058577U CN 215058577 U CN215058577 U CN 215058577U CN 202120695896 U CN202120695896 U CN 202120695896U CN 215058577 U CN215058577 U CN 215058577U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- rack
- retaining
- stopping
- tooth block
- 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.)
- Active
Links
Images
Landscapes
- Actuator (AREA)
Abstract
The utility model relates to a machinery stopping auto-lock and hydraulic cylinder stopping auto-lock field specifically are the automatic hydro-cylinder machinery stopping mechanism who follows of external rack formula. The locking mechanism mainly comprises an oil cylinder, a retaining frame, a retaining rack, a locking tooth block, a rotating motor and the like. When the oil cylinder works under the loading and extension pressure, under the condition that the oil cylinder bears the external load pressure, in order to prevent the oil cylinder from failing to maintain corresponding jacking force and failing to retract due to internal leakage or failure of a hydraulic power system, a reliable mechanical retaining mechanism is needed to prevent the oil cylinder from retracting. An external rack type automatic following oil cylinder mechanical stopping mechanism can automatically follow the extension of an oil cylinder piston rod to extend out; when the oil cylinder is leaked and failed, the piston rod of the oil cylinder retracts and retreats due to external load pressure, the locking tooth block can be meshed with the stopping rack and clamped, and the piston rod of the oil cylinder is prevented from excessively retracting and retreating. When the oil cylinder needs to retract, the popped locking tooth block can be firstly retracted through a motor or a manual mode, and then the oil cylinder is retracted.
Description
The technical field is as follows: the utility model relates to a machinery stopping auto-lock and hydraulic cylinder stopping auto-lock field specifically are the automatic hydro-cylinder machinery stopping mechanism who follows of external rack formula.
Background art:
the oil cylinder is a hydraulic device widely used in industries such as industry, engineering machinery and construction. In many specific working conditions of the oil cylinder application, the oil cylinder mostly needs to provide enough jacking force to realize corresponding action and action of the oil cylinder. Due to the structural characteristics of the oil cylinder and the characteristics of matched hydraulic power equipment for providing hydraulic power for the oil cylinder, leakage in the oil cylinder caused by damage or failure of a sealing element inside the oil cylinder or incapability of maintaining pressure or leakage of the matched hydraulic power equipment causes the oil cylinder to be incapable of providing required jacking force sometimes. In the working condition that most oil cylinders are used, when the oil cylinders are loaded, extend and work under pressure, and the oil cylinders bear external load pressure, the piston rods extending out of the oil cylinders are not allowed to excessively retract and retreat due to leakage in the oil cylinders or the reason of matched hydraulic power equipment.
Therefore, in order to prevent the cylinder from failing to maintain the corresponding jacking force and failing to retract due to internal leakage or failure of a hydraulic power system, a reliable mechanical retaining mechanism is needed to prevent the cylinder from retracting, and corresponding insurance and guarantee are provided. Thereby achieving the purposes of safety, reliability and controllable risk in the using process of the oil cylinder.
The utility model has the following contents:
in order to satisfy operating condition's needs and avoid potential safety hazard, the utility model discloses an automatic hydro-cylinder machinery stopping mechanism who follows of external rack formula.
The utility model discloses a following technical scheme reaches the utility model purpose:
the utility model provides an automatic hydro-cylinder machinery stopping mechanism who follows of external rack formula mainly includes the automatic hydro-cylinder machinery stopping mechanism who follows of an external rack formula, mainly includes: the device comprises an oil cylinder (1), a retaining frame (23), a rotating shaft (241) and a rotating motor (24); the oil cylinder (1) and the oil cylinder bottom plate (14) are fixed, the retaining frames (23) are welded on two sides of the oil cylinder bottom plate (14), and a fixed bearing plate (13) is connected to the upper surface of an oil cylinder piston rod (12) of the oil cylinder (1); the top end of the retaining rack (21) is fixed on the bearing plate (13), the locking tooth block (22), the spring (221), the rotating shaft (241) and the rotating motor (24) are connected and fixed on the retaining cover plate (231), and the retaining cover plate (231) is welded on the retaining frame (23).
The utility model discloses the theory of operation:
the stopping device of the utility model utilizes the fact that when the oil cylinder (1) works, the piston rod (12) of the oil cylinder extends out, and the bearing plate (13) connected on the piston rod (12) of the oil cylinder drives the stopping rack (21) to extend out; when the retaining rack (21) extends out and forms sequential teeth with the locking tooth block (22), the spring (221) is extruded and retracted; when the retaining rack (21) extends out to form reverse teeth with the locking tooth block (22), the spring (221) extends out along the same direction, so that the retaining rack and the locking tooth block are meshed; a space between the bearing plate (13) and the cylinder body (11) of the oil cylinder is filled through the retaining rack (21) and the locking tooth block (22); when the oil cylinder is failed to retract and retreat, the locking tooth block (22) bites the stopping rack (21) to enable the stopping rack to be fixed between the bearing plate (13) and the oil cylinder body (11), and the oil cylinder piston rod (12) is prevented from excessively retracting and retreating.
The utility model discloses a realize the automatic function of following and automatic stopping, adopted the rack stopping design, stopping mechanism is automatic to follow and has borrowed hydro-cylinder piston rod (12) when hydro-cylinder (1) work stretches out and drive. The automatic ejection of the locking tooth block (22) is pushed by the compressed elastic force of the fixed spring (221). When the ejected locking tooth block (22) needs to reset, the reset can be driven by a rotating motor (24) connected to one end of the rotating shaft (241) or can be reset by a nut at the other end of the rotating shaft (241) through manual rotation by a tool such as a wrench, and a complete backing plate type stopping mechanism is formed.
The utility model discloses following beneficial effect has:
the utility model discloses can prevent effectively that the hydro-cylinder from because internal leakage or hydraulic power system inefficacy lead to the hydro-cylinder can't keep corresponding jacking force and inefficacy retraction potential safety hazard and the risk of bringing. The utility model has the characteristics of simple structure, stopping are reliable, degree of automation is high, can effectively ensure safe, reliable, the controllable purpose of risk in the hydro-cylinder use.
Description of the drawings:
FIG. 1 is a side view of an external rack type automatic following oil cylinder mechanical retaining mechanism;
FIG. 2 is a top view of an external rack type automatic following oil cylinder mechanical retaining mechanism;
FIG. 3 is a schematic view of the relationship between the retaining rack and the locking tooth block under the working condition of extension of the retaining rack;
FIG. 4 is a schematic view of the relationship between the retaining rack and the locking tooth block under the retraction condition.
The specific implementation mode is as follows:
the present invention will now be described in further detail with reference to the accompanying drawings and examples.
The utility model discloses a concrete implementation step as follows:
1) the main components and the assembly relationship of the utility model comprise an oil cylinder (1), a retaining frame (23), a rotating shaft (241) and a rotating motor (24); the oil cylinder (1) and the oil cylinder bottom plate (14) are fixed, the retaining frames (23) are welded on two sides of the oil cylinder bottom plate (14), and a fixed bearing plate (13) is connected to the upper surface of an oil cylinder piston rod (12) of the oil cylinder (1); the top end of the retaining rack (21) is fixed on the bearing plate (13), the locking tooth block (22), the spring (221) and the rotating shaft (241)
Is connected with a rotating motor (24) and fixed on the retaining cover plate (231) and is used for fixing the retaining cover plate (231)
Welded to the retaining frame (23).
2) The stopping principle of the utility model utilizes the extension of the oil cylinder piston rod 12 of the oil cylinder 1, and a corresponding space is formed between the bearing plate 13 connected on the oil cylinder piston rod 12 and the oil cylinder body 11 of the oil cylinder 1;
3) when the oil cylinder extends, an oil cylinder piston rod 12 of the oil cylinder 1 extends, the oil cylinder piston rod 12 drives the stopping rack (21) to extend synchronously, and when the stopping rack (21) extends out and forms sequential teeth with the locking tooth block (22), the spring (221) is extruded and retracted; when the retaining rack (21) extends out to form reverse teeth with the locking tooth block (22), the spring (221) extends out along the same direction, so that the retaining rack and the locking tooth block are meshed.
4) The space between the bearing plate (13) and the cylinder body (11) of the oil cylinder is filled by the retaining rack (21) and the locking tooth block (22), so that effective mechanical structure support is formed.
5) When the oil cylinder is failed to retract and retreat, the locking tooth block (22) bites the stopping rack (21) to enable the stopping rack to be fixed between the bearing plate (13) and the oil cylinder body (11), and the oil cylinder piston rod (12) is prevented from excessively retracting and retreating.
6) When the oil cylinder (1) needs to be decompressed and retracted after working is finished, the oil cylinder is connected with a rotating shaft (241)
The rotating motor (24) at one end drives the reset or the reset is manually reset by a tool such as a wrench through a nut at the other end of the rotating shaft (241).
7) After the locking tooth block (22) is reset, the oil cylinder (1) is decompressed and retracted again to drive the thrust mechanism to retract, and the automatic following stopping and retracting following actions of the oil cylinder (1) are completed.
Claims (3)
1. The utility model provides an automatic hydro-cylinder machinery stopping mechanism who follows of external rack formula mainly includes: the device comprises an oil cylinder (1), a retaining frame (23), a rotating shaft (241) and a rotating motor (24); the method is characterized in that: the oil cylinder (1) and the oil cylinder bottom plate (14) are fixed, the retaining frames (23) are welded on two sides of the oil cylinder bottom plate (14), and a fixed bearing plate (13) is connected to the upper surface of an oil cylinder piston rod (12) of the oil cylinder (1); the top end of the retaining rack (21) is fixed on the bearing plate (13), the locking tooth block (22), the spring (221), the rotating shaft (241) and the rotating motor (24) are connected and fixed on the retaining cover plate (231), and the retaining cover plate (231) is welded on the retaining frame (23).
2. The external rack type automatic following oil cylinder mechanical retaining mechanism as claimed in claim 1, characterized in that: the stopping principle utilizes the fact that when the oil cylinder (1) works, an oil cylinder piston rod (12) extends out, and a bearing plate (13) connected to the oil cylinder piston rod (12) drives a stopping rack (21) to extend out; the teeth of the stopping rack (21) and the teeth of the locking tooth block (22) are inclined planes in the extending direction of the oil cylinder to form smooth teeth, and when the stopping rack (21) extends, the spring (221) is compressed to retract, so that the stopping rack (21) can extend along with the oil cylinder (1); the teeth of the retaining rack (21) and the teeth of the locking tooth block (22) are vertical surfaces in the retraction direction of the oil cylinder to form reverse teeth which are occluded and clamped, so that the retaining rack (21) cannot be excessively retracted; a space between the bearing plate (13) and the cylinder body (11) of the oil cylinder is filled through the retaining rack (21) and the locking tooth block (22); when the oil cylinder is failed to retract and retreat, the locking tooth block (22) vertically clamps the backstop rack (21) to enable the backstop rack to be fixed between the bearing plate (13) and the oil cylinder body (11), and the oil cylinder piston rod (12) is prevented from excessively retracting and retreating.
3. The external rack type automatic following oil cylinder mechanical retaining mechanism as claimed in claim 1, characterized in that: the rack retaining design is adopted, and the retaining mechanism is automatically driven by an oil cylinder piston rod (12) when the oil cylinder (1) extends out; the automatic ejection of the locking tooth block (22) is pushed by the elastic force of the compressed spring (221); when the ejected locking tooth block (22) needs to be reset, the reset can be driven by a rotating motor (24) connected to one end of the rotating shaft (241) or can be manually reset by a nut at the other end of the rotating shaft (241) by a tool such as a wrench, and a complete rack type retaining mechanism is formed.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020815361 | 2020-05-16 | ||
CN2020208153612 | 2020-05-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN215058577U true CN215058577U (en) | 2021-12-07 |
Family
ID=79150032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120695896.5U Active CN215058577U (en) | 2020-05-16 | 2021-04-06 | External rack type automatic following oil cylinder mechanical stopping mechanism |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN215058577U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115998353A (en) * | 2023-01-18 | 2023-04-25 | 宝玛医疗科技(无锡)有限公司 | Electric anastomat |
-
2021
- 2021-04-06 CN CN202120695896.5U patent/CN215058577U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115998353A (en) * | 2023-01-18 | 2023-04-25 | 宝玛医疗科技(无锡)有限公司 | Electric anastomat |
CN115998353B (en) * | 2023-01-18 | 2023-12-01 | 宝玛医疗科技(无锡)有限公司 | Electric anastomat |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN215058577U (en) | External rack type automatic following oil cylinder mechanical stopping mechanism | |
CN103953728B (en) | The handling of ultrahigh pressure major diameter deep sea environment simulation device shearing-resistance blocks and locking mechanism | |
CN101920922A (en) | Automobile lifter with safety device at front end | |
CN112179757A (en) | Fatigue loading system | |
CN102180238A (en) | Locking device of self-elevating platform | |
CN204073543U (en) | High-pressure compressing hydraulic compression mechanical spiral locking filter press | |
CN207344448U (en) | Pressing device for the detection of the automatic gearbox of vehicles valve body plate degree of wear | |
CN106703046B (en) | A kind of double-mechanical in parallel lock branch fastener assembly of axial force of the supports servo-system | |
CN212479757U (en) | Self-weight-driven self-following backing plate type oil cylinder retaining mechanism | |
CN212838678U (en) | Automatic hydro-cylinder machinery stopping mechanism who follows of external spacer formula | |
WO2023088333A1 (en) | Packing self-pre-tightening system and method | |
CN213711471U (en) | Hydraulic oil cylinder for double mechanical locks of axial force support servo system | |
CN112503052A (en) | External cushion block type automatic following oil cylinder mechanical stopping mechanism and method | |
CN212403321U (en) | Double-acting self-locking hydraulic jack | |
CN201565173U (en) | Filter plate compressing device for vertical press filter | |
CN112283201A (en) | Hydraulic oil cylinder for double mechanical locks of axial force support servo system | |
CN206860576U (en) | A kind of hydraulic cylinder | |
CN209800415U (en) | high-damping hydraulic cylinder | |
CN204938848U (en) | Rack-and-gear crane | |
CN207535901U (en) | A kind of piston shoes of quick included offloading functions | |
CN107598056B (en) | Longitudinal fine adjustment device of hydraulic press die changing trolley | |
CN216707248U (en) | Two-way stress clamping tool | |
CN201809108U (en) | Hydraulic drive servo follower | |
CN105150780A (en) | Mechanical locking and locating device and tire evenness testing system with same | |
CN215171229U (en) | Locking hydraulic system with controllable extrusion depth |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |