CN212389190U - Pneumatic lifting door device - Google Patents
Pneumatic lifting door device Download PDFInfo
- Publication number
- CN212389190U CN212389190U CN202020553548.XU CN202020553548U CN212389190U CN 212389190 U CN212389190 U CN 212389190U CN 202020553548 U CN202020553548 U CN 202020553548U CN 212389190 U CN212389190 U CN 212389190U
- Authority
- CN
- China
- Prior art keywords
- lifting door
- lifting
- counterweight
- chain
- fixed pulley
- 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
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model relates to a pneumatic lifting door device, which comprises two vertically arranged lifting door guide rails, wherein both sides of the lifting door are provided with rollers, and the lifting door moves up and down along the lifting door guide rails through the rollers; a support plate is arranged at the top of the lifting door guide rail, a counterweight chain fixed pulley and a lifting chain fixed pulley are arranged on the support plate, one end of a counterweight chain is connected to the lifting door, and a counterweight block is hung at the other end of the counterweight chain after the counterweight chain fixed pulley is wound around the counterweight chain fixed pulley; a movable pulley is arranged on a piston rod of the lifting cylinder, one end of a lifting chain is connected to the support plate, and the other end of the lifting chain is connected to the lifting door after sequentially passing around the movable pulley and a lifting chain fixed pulley; the bottom of the support plate is provided with a safety bolt driving cylinder, a piston rod of the safety bolt driving cylinder is provided with a safety bolt, and the top of the lifting door is provided with a safety hook matched with the lifting door. The lifting door is driven by an air cylinder, a movable pulley is arranged on a piston rod of the air cylinder, and the movement stroke of the piston rod is only half of that of the lifting door; the balancing weights are arranged on two sides of the lifting door to balance most of the weight of the lifting door.
Description
Technical Field
The utility model relates to a pneumatic lifting door device.
Background
The vertical extrusion casting machine is a common casting production device, an operator operates the extrusion casting machine for a long time, particularly manual feeding and discharging, mechanical feeding and discharging actions are carried out by the operator, certain mental fatigue is generated, and the operation is very dangerous. At present, a vertical extrusion casting machine does not have an emergency stop action, one stroke is at the end when the vertical extrusion casting machine is started once, emergency stop cannot be carried out, the machine cannot be stopped midway, an operator cannot be well protected by installing a photoelectric protection device, and even the danger coefficient is increased. Vertical squeeze casting machines have no good precautionary measures all the time at home and abroad, so that the existing manual feeding and discharging has great potential safety hazards and high risk coefficient. Therefore, it is required to design an automatic elevating safety door apparatus.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects in the prior art and providing a pneumatic lifting door device.
The purpose of the utility model is realized through the following technical scheme:
pneumatic overhead door device, characteristics: the lifting door comprises two vertically arranged lifting door guide rails, a lifting door and a lifting cylinder, wherein two side parts of the lifting door are respectively provided with a roller, and the lifting door moves up and down along the lifting door guide rails through the rollers; a support plate is arranged at the top of the lifting door guide rail, a counterweight chain fixed pulley and a lifting chain fixed pulley are arranged on the support plate, one end of a counterweight chain is connected to the lifting door, and a counterweight block is hung at the other end of the counterweight chain after the counterweight chain fixed pulley is wound around the counterweight chain fixed pulley;
a movable pulley is arranged on a piston rod of the lifting cylinder, one end of a lifting chain is connected to the support plate, and the other end of the lifting chain is connected to the lifting door after sequentially passing around the movable pulley and a lifting chain fixed pulley;
the bottom of support plate is installed safe bolt and is driven actuating cylinder, is equipped with safe bolt on the piston rod that safe bolt drove actuating cylinder, and the top of overhead door is equipped with the safety hook rather than matching.
Further, according to the pneumatic lifting door device, the left and right sides of the support plate are respectively provided with the counterweight chain fixed pulleys, the counterweight chains are respectively configured, one end of the counterweight chain on the left side is connected to the lifting door, the other end of the counterweight chain on the left side is hung on the counterweight block after bypassing the counterweight chain fixed pulleys on the left side, one end of the counterweight chain on the right side is connected to the pneumatic lifting door device, and a counterweight block shield is arranged in the area where the counterweight block moves up and down.
Further, in the pneumatic lifting door device, two rollers are arranged at each side of the lifting door and arranged one above the other.
Further, in the pneumatic lifting door device, the safety latch driving cylinder is located at the middle position of the bottom of the carrier plate, and correspondingly, the safety hook is located at the middle position of the top of the lifting door.
Compared with the prior art, the utility model have apparent advantage and beneficial effect, the concrete aspect that embodies is in following:
the utility model has unique design and simple structure, and is driven by the lifting cylinder, and the movable pulley is arranged on the piston rod of the lifting cylinder, so that the motion stroke of the piston rod is only half of the up-and-down motion stroke of the lifting door;
the counterweight blocks are arranged on the two sides of the lifting door, so that most of the weight of the lifting door is balanced, and the pulling force of a required lifting cylinder is small;
a piston rod of the safety bolt driving cylinder is provided with a safety bolt, and when the lifting door rises to the highest position, the safety bolt is inserted into a safety hook on the lifting door, so that the safety is fully ensured; is simple and applicable, and is a new practical design.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1: the structure of the utility model is schematically shown.
The meanings of the reference symbols in the figures are given in the following table:
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the directional terms and the sequence terms and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the pneumatic lifting door device comprises two lifting door guide rails 1 vertically arranged, a lifting door 4 and a lifting cylinder 11, wherein two rollers are respectively arranged at the left side and the right side of the lifting door 4 and arranged up and down, and the lifting door 4 moves up and down along the lifting door guide rails 1 through rollers 5; a carrier plate 12 is arranged at the top of the lifting door guide rail 1, a counterweight chain fixed pulley 7 and a lifting chain fixed pulley 13 are arranged on the carrier plate 12, one end of a counterweight chain 6 is connected to the lifting door 4, the other end of the counterweight chain is hung with a counterweight block 2 after passing through the counterweight chain fixed pulley 7, and a counterweight block shield 3 is arranged in the area where the counterweight block 2 moves up and down;
a movable pulley 10 is arranged on a piston rod of the lifting cylinder 11, one end of a lifting chain 9 is connected to the support plate 12, and the other end of the lifting chain is connected to the lifting door 4 after sequentially passing around the movable pulley 10 and a lifting chain fixed pulley 13;
a safety bolt driving cylinder 8 is installed in the middle of the bottom of the support plate 12, a safety bolt is arranged on a piston rod of the safety bolt driving cylinder 8, and a safety hook matched with the safety bolt is arranged in the middle of the top of the lifting door 4.
During the specific design, the counter weight chain fixed pulley is installed respectively to the side about on support plate 12, disposes a counter weight chain respectively, and the one end of left side counter weight chain is connected on overhead door 4, and the other end hangs a balancing weight after walking around left side counter weight chain fixed pulley, and the one end of right side counter weight chain is connected on overhead door 4, and the other end hangs a balancing weight after walking around right side counter weight chain fixed pulley.
When the lifting door is specifically applied, the top of the lifting door 4 is connected with one end of a lifting chain 9, the lifting chain 9 passes through a movable pulley 10 on a piston rod of a lifting cylinder, the piston rod of a lifting cylinder 11 extends out, and the movable pulley 10 rises and falls under the action of the self weight of the lifting door 4; the piston rod of the lifting cylinder 11 retracts, the movable pulley 10 descends, the lifting door 4 ascends, and when the lifting door ascends to the highest position, the safety bolt driving cylinder 8 drives the safety bolt to be inserted into the safety hook on the lifting door 4, so that safety is guaranteed.
The two sides of the lifting door guide rail 1 are respectively provided with a balancing weight for balancing most of the weight of the lifting door 4.
The lifting door 4 can move up and down along the lifting door guide rail 1 through the roller 5 at the side part and can be lifted to the highest position.
A counterweight block protective cover is arranged in the space area of the counterweight block moving up and down for isolation and protection.
To sum up, the utility model relates to an unique, novel structure adopts the lift cylinder drive, installs the movable pulley on the piston rod of lift cylinder, makes the motion stroke of piston rod only half of the up-and-down motion stroke of overhead door.
The balancing weights are arranged on two sides of the lifting door, so that most of weight of the lifting door is balanced, and the pulling force of a required lifting cylinder is small.
The safety bolt is arranged on a piston rod of the safety bolt driving cylinder, and when the lifting door rises to the highest position, the safety bolt is inserted into a safety hook on the lifting door, so that the safety is fully ensured.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present invention, but the protection 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 all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (5)
1. Pneumatic overhead door device, its characterized in that: the lifting door comprises two vertically arranged lifting door guide rails (1), a lifting door (4) and a lifting cylinder (11), wherein two side parts of the lifting door (4) are respectively provided with a roller (5), and the lifting door (4) moves up and down along the lifting door guide rails (1) through the rollers (5); a carrier plate (12) is arranged at the top of the lifting door guide rail (1), a counterweight chain fixed pulley (7) and a lifting chain fixed pulley (13) are arranged on the carrier plate (12), one end of a counterweight chain (6) is connected to the lifting door (4), and the other end of the counterweight chain is hung with a counterweight block (2) after bypassing the counterweight chain fixed pulley (7);
a movable pulley (10) is arranged on a piston rod of the lifting cylinder (11), one end of a lifting chain (9) is connected to the support plate (12), and the other end of the lifting chain is connected to the lifting door (4) after sequentially passing around the movable pulley (10) and a lifting chain fixed pulley (13);
a safety bolt driving cylinder (8) is installed at the bottom of the support plate (12), a safety bolt is arranged on a piston rod of the safety bolt driving cylinder (8), and a safety hook matched with the lifting door (4) is arranged at the top of the lifting door.
2. A pneumatic liftgate apparatus as claimed in claim 1, wherein: the left side and the right side of the support plate (12) are respectively provided with a counterweight chain fixed pulley and a counterweight chain, one end of the counterweight chain on the left side is connected to the lifting door (4), the other end of the counterweight chain on the left side is wound around the counterweight chain fixed pulley and then hung with a counterweight, one end of the counterweight chain on the right side is connected to the lifting door (4), and the other end of the counterweight chain on the right side is wound around the counterweight chain fixed pulley and then hung with a counterweight.
3. A pneumatic liftgate apparatus as claimed in claim 1, wherein: the area of the counterweight block (2) moving up and down is provided with a counterweight block shield (3).
4. A pneumatic liftgate apparatus as claimed in claim 1, wherein: two rollers are arranged at each side part of the lifting door (4) and are arranged one above the other.
5. A pneumatic liftgate apparatus as claimed in claim 1, wherein: the safety latch driving cylinder (8) is positioned in the middle of the bottom of the carrier plate (12), and correspondingly, the safety hook is positioned in the middle of the top of the lifting door (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020553548.XU CN212389190U (en) | 2020-04-15 | 2020-04-15 | Pneumatic lifting door device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020553548.XU CN212389190U (en) | 2020-04-15 | 2020-04-15 | Pneumatic lifting door device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212389190U true CN212389190U (en) | 2021-01-22 |
Family
ID=74256736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020553548.XU Active CN212389190U (en) | 2020-04-15 | 2020-04-15 | Pneumatic lifting door device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212389190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233158A (en) * | 2021-11-30 | 2022-03-25 | 北京航星机器制造有限公司 | Front heat-preservation door mechanism of thermoforming machine and opening and closing method |
-
2020
- 2020-04-15 CN CN202020553548.XU patent/CN212389190U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233158A (en) * | 2021-11-30 | 2022-03-25 | 北京航星机器制造有限公司 | Front heat-preservation door mechanism of thermoforming machine and opening and closing method |
| CN114233158B (en) * | 2021-11-30 | 2024-01-09 | 北京航星机器制造有限公司 | Thermoforming machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212389190U (en) | Pneumatic lifting door device | |
| KR20100048847A (en) | Modernizing method of existing elevator and elevator apparatus | |
| CN112408211A (en) | Truss vehicle for transporting materials | |
| CN209411678U (en) | A kind of light lifter | |
| CN212150810U (en) | Novel fossil fragments hacking machine | |
| CN211191747U (en) | Automatic unloader that goes up of bender | |
| CN217947444U (en) | Bridge crane with anti-swing function | |
| CN102101617B (en) | Safety lifter | |
| CN211521449U (en) | Automatic locking lifting goods elevator | |
| CN214527989U (en) | Elevator mounting structure of building engineering | |
| CN210087126U (en) | Safety protection device of lifting door | |
| CN211998523U (en) | Lifting equipment for building construction | |
| CN210970277U (en) | Compression roller self-locking mechanism of gravure printing machine | |
| CN112551455A (en) | Lifting equipment for oil tank installation | |
| CN210594792U (en) | Rail clamping type rescue device for elevator without machine room | |
| CN221191387U (en) | Lifting unlocking structure of weight lifting machine | |
| CN212893451U (en) | Lifting device for roller | |
| CN211110769U (en) | Mould hoisting device | |
| CN207771621U (en) | For the grinding wheel demoulding equipment in grinding wheel pressing process | |
| CN208150868U (en) | Lifting device is used in hoistway door production | |
| CN105217230A (en) | Jacking system | |
| CN215799649U (en) | Leather vulcanizing machine vacuum generating device capable of stably lifting | |
| CN216815039U (en) | Novel feeding device | |
| CN2775016Y (en) | Headframe type two purpose construction lift for person and goods | |
| CN219561246U (en) | Rope feeding device for pressing wire rope sling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |