CN216108630U - Telescopic protective cover plate - Google Patents
Telescopic protective cover plate Download PDFInfo
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- CN216108630U CN216108630U CN202121944930.4U CN202121944930U CN216108630U CN 216108630 U CN216108630 U CN 216108630U CN 202121944930 U CN202121944930 U CN 202121944930U CN 216108630 U CN216108630 U CN 216108630U
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Abstract
The utility model provides a telescopic protective cover plate, which comprises: a ground rail mechanism and a cover plate mechanism; the ground rail mechanism is provided with slide rails extending to two sides of the pit position along the length direction, and the cover plate mechanism is transversely arranged on the slide rails along the width direction and comprises fixed plates oppositely arranged at two ends of the slide rails and walking slide plate assemblies respectively movably arranged on the fixed plates at the two ends; the walking sliding plate assembly consists of a plurality of stepped stacked sliding cover plates, the sliding cover plate positioned on the first stage is in sliding contact joint with the fixed plate thereof, and the sliding cover plates of all adjacent stages are in sliding contact fit with each other and are supported on the sliding rail in a sliding way; the walking sliding plate assembly is provided with a first position at which the sliding cover plates can be stacked and stored on the fixed plate and a second position at which the sliding cover plates are connected and unfolded to be paved on the sliding rail. The pit cover is effectively covered by burying the pit at two sides of the pit, and an operator can step on the cover plate mechanism to implement work, so that the pit cover is extremely suitable for installation and protection in heavy industry and other large-scale mechanical equipment.
Description
Technical Field
The utility model relates to the technical field of protective cover mechanisms, in particular to a telescopic protective cover plate.
Background
In the heavy industry field, the equipment is large, and pit positions such as pit digging and the like are not needed to reduce the ground clearance of the equipment, so that the overhigh operation height during production is prevented, and the safety distance between the equipment height and a factory building is ensured. However, the pit is usually large in size, and the visualization effect of the whole workshop is relatively influenced. In particular, in a welding device, a debugging person is required to teach a workpiece before welding, and the device is required to move in a pit, and the length and width of the pit are generally several meters, so that an operator can not fall down from the pit and has potential safety hazards of falling.
It is noted that the information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a retractable protective cover to solve the above problems.
The utility model adopts the following scheme:
the application provides a telescopic protective cover plate is suitable for movably to cover and establishes in the liftoff operation environment that has the pot position, include: a ground rail mechanism and a cover plate mechanism; the ground rail mechanism is provided with slide rails extending to two sides of the pit position along the length direction, and the cover plate mechanism is transversely arranged on the slide rails along the width direction and comprises fixed plates oppositely arranged at two ends of the slide rails and walking slide plate assemblies respectively movably arranged on the fixed plates at the two ends; the walking sliding plate assembly consists of a plurality of stepped sliding cover plates which are arranged in a stacked mode, the sliding cover plates positioned on the first layer are in sliding contact joint with the fixed plates of the sliding cover plates, and the sliding cover plates of all adjacent layers are matched in a sliding contact mode and supported on the sliding rails in a sliding mode; the walking sliding plate assembly is provided with a first position at which the sliding cover plates can be stacked and stored on the fixed plate and a second position at which the sliding cover plates are connected and unfolded to be paved on the sliding rail.
As a further improvement, the two walking sliding plate assemblies are connected and configured through a linkage mechanism, and any one walking sliding plate assembly is correspondingly switched between a first position and a second position after being controlled by external force.
As a further improvement, the linkage mechanism comprises a push-pull rod butted between the sliding cover plates of the two highest-level layers, and the push-pull rod is configured to drive one of the walking sliding plate assemblies to be correspondingly positioned at the second position when the other walking sliding plate assembly is positioned at the first position, so that an abdicating space is formed between the two walking sliding plate assemblies.
As a further improvement, a bending plate is arranged on the sliding cover plate of any highest-level layer, and the bending plate is constructed to be capable of being connected with an external driving mechanism so as to drive each sliding walking component to reciprocate along the sliding rail.
As a further improvement, the front end of each sliding cover plate is provided with a pair of sliding contact wheels, and the rear end of each sliding cover plate is provided with a pair of supporting wheels capable of horizontally supporting the sliding cover plate on the two sliding rails.
As a further improvement, the upper end surfaces of the fixed plate and the sliding cover plate are provided with wear-resistant surfaces arranged along the sliding contact direction, and the wear-resistant surfaces can guide and limit corresponding sliding contact wheels on the end surfaces of the wear-resistant surfaces.
As a further improvement, the rear end sides of the fixed plate and the sliding cover plate are provided with a limiting piece and an anti-collision piece; the limiting piece is configured into a folded plate structure, and the end part of the folded plate structure is bent and horizontally extends on the end surface so as to abut against and limit the sliding cover plate to be continuously separated after the traveling sliding plate assembly moves to the second position.
As a further improvement, the bump preventing piece is arranged on the rear end face and can be elastically abutted against the sliding cover plate adjacent to the bump preventing piece after the walking sliding plate component moves to the first position.
As a further improvement, the anti-overturning device also comprises an anti-overturning fixture block structure which is configured to be beneficial to the sliding contact direction of the sliding cover plate, and the anti-overturning fixture block structure is configured between the fixed plate and the first layer and between two adjacent sliding cover plates.
As a further improvement, the walking sliding plate assembly is provided with at least three sliding cover plates, and the number of the sliding cover plates of the two walking sliding plate assemblies is the same.
By adopting the technical scheme, the utility model can obtain the following technical effects:
the utility model provides a telescopic protection apron, it can be through burying underground in pot position both sides, and effectually seal pot position lid to can supply the operator to trample and implement work on apron mechanism, be particularly suitable for the installation protection in heavy industry etc. large-scale mechanical equipment. The sliding cover plate is jointed on one side of the fixing plate in a stepped sliding contact fit mode through the walking sliding plate assemblies flexibly arranged on two sides of the sliding rail, so that the sliding cover plate is correspondingly covered on the sliding rail to block the pit position when the sliding cover plate is movably unfolded to the second position, and the pit position can be supplied to an operator to perform treading support after being stacked and stored in the first position, so that the problems of pit position protection, personnel safety and the like are effectively solved.
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 is a schematic structural view of a retractable protective deck according to an embodiment of the present invention, wherein the walking board assembly on the left side is in a second position and the walking board assembly on the right side is in a first position;
FIG. 2 is an enlarged partial schematic view at I of FIG. 1;
FIG. 3 is a schematic structural view of a retractable protective cover according to an embodiment of the present invention from another perspective;
FIG. 4 is a schematic structural diagram of a retractable protective cover according to an embodiment of the present invention from another perspective;
FIG. 5 is an enlarged partial schematic view at II of FIG. 4;
fig. 6 is a partially enlarged schematic view at III in fig. 4.
Icon: 1-a ground rail mechanism; 11-a slide rail; 2-cover plate mechanism; 21-fixing the plate; 22-a walking skateboard assembly; 221-a sliding cover plate; 3-a linkage mechanism; 31-a push-pull rod; 4-bending a plate; 5-trolley wheels; 6-supporting wheels; 7-wear resistant surface; 8-a limiting member; 9-a bumper; 10-anti-tipping mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
With reference to fig. 1 to 6, the present embodiment provides a retractable protective cover adapted to be movably covered in an off-ground working environment with a pit site, including: a ground rail mechanism 1 and a cover plate mechanism 2. The ground rail mechanism 1 has slide rails 11 extending in the longitudinal direction on both sides of the pit site, and the cover plate mechanism 2 is disposed on the slide rails 11 in the width direction and includes fixing plates 21 disposed to face each other on both ends of the slide rails 11 and walking board units 22 movably disposed on the fixing plates 21 on both ends. The walking board assembly 22 is composed of a plurality of step-shaped sliding cover boards 221 stacked in layers, the sliding cover board 221 positioned at the first layer is in sliding contact joint with the fixing board 21, and the sliding cover boards 221 of each adjacent layer are in sliding contact fit with each other and are supported on the sliding rail 11 in a sliding manner. The walking board assembly 22 has a first position where the sliding cover plates 221 can be stacked and stored on the fixing plate 21, and a second position where the sliding cover plates 221 are connected and unfolded to cover the sliding rail 11.
In the above embodiment, the retractable protective cover can be buried at both sides of the pit to effectively cover the pit, and the operator can step on the cover plate mechanism 2 to perform work, so that the retractable protective cover is very suitable for installation and protection in heavy machinery and other large-scale machinery. Wherein, through the walking slide plate assembly 22 flexibly configured at both sides of the slide rail 11, the slide cover plate 221 is jointed at one side of the fixing plate 21 in a stepped sliding contact fit manner so as to cover the slide rail 11 to block the pit position when movably unfolded to the second position, and can be stacked and stored at the first position for the operator to step on, thereby effectively solving the problems of pit position protection, personnel safety and the like.
Specifically, the two slide rails 11 are detachably fixed to two side walls of the pit where the pit is located by expansion screws, so that the cover mechanism 2 horizontally disposed on the rail mechanism 1 can cover the pit by stacking the slide cover plates 221 in sliding contact with and accommodating the pit. In the present embodiment, the two walking board assembly 22 adaptively switches positions on the sliding rail 11, so that the targeted covering operation can be more flexibly realized, and the daily use of the operator is facilitated. In addition, the sliding cover plates 221 on the same walking slide plate assembly 22 are stacked and arranged in a retractable and movable drawing manner, so that the pit position can be conveniently sealed after the sliding cover plates are unfolded to the second position, or the sliding cover plates can be conveniently stacked and stored to the first position for being trampled by an operator.
As shown in fig. 1, 3 and 4, the two walking board assemblies 22 are connected by the linkage mechanism 3, and any one walking board assembly 22 is controlled by external force to switch between the first position and the second position. In the present embodiment, the mutual linkage between the two walking board assemblies 22 can be implemented by only one external drive. Specifically, the linkage mechanism 3 includes a push-pull rod 31 abutting between the two highest-level sliding cover plates 221, and the push-pull rod 31 is configured to drive one of the walking board assemblies 22 to a second position when the other walking board assembly 22 is in the first position, so that a clearance space is formed between the two walking board assemblies 22. The abdication space is suitable for accommodating external large mechanical equipment so as to further facilitate the work and use of operators.
Obviously, in order to avoid interference of external large mechanical equipment on the walking skateboard assembly 22 during position switching, the large mechanical equipment may be arranged in the correspondingly formed yield space in a manner of lifting up and down. It is understood that the large mechanical devices may be, but are not limited to, lifting devices, moving devices, and the like.
In particular, as shown in fig. 3 and 6, a bending plate 4 is disposed on the sliding cover plate 221 at any highest level, and the bending plate 4 is configured to be coupled to an external driving mechanism to drive the sliding units to reciprocate along the sliding rail 11. Therefore, the external driving mechanism may be a power element such as a telescopic cylinder, and the output shaft of the cylinder extends along the direction of the slide rail 11 and is mounted on the bending plate 4, so as to correspondingly drive the sliding traveling assembly to perform its own position switching during the telescopic movement.
It should be noted that, compared to the first-level sliding cover plate 221, the sliding cover plate 221 at the highest level indicates a sliding cover plate 221 at the highest stacking position.
As shown in fig. 5, a pair of trolley wheels 5 is disposed at the front end of each of the slide covers 221, and a pair of support wheels 6 capable of horizontally supporting the slide covers 221 on the two slide rails 11 is disposed at the rear end thereof. On one hand, the adjacent sliding cover plates 221 are mutually stacked, and the sliding contact wheels 5 at the front ends of the sliding cover plates are in sliding contact with the fixed plate 21 and the corresponding sliding cover plates 221, so that the sliding cover plates are unfolded, paved or stored and stacked in a drawer mode, and the position switching mode is more flexible and efficient. Moreover, the supporting wheels 6 supporting the rear ends of the sliding cover plates 221 are respectively embedded on the sliding rails 11 in a sliding manner, and an embedded traveling wheel structure is adopted, so that the whole height is more compact, a guiding effect is achieved, and the sliding cover plates 221 are greatly suitable for stacking.
Further, as shown in fig. 1, 2 and 5, the upper end surfaces of the fixed plate 21 and the sliding cover 221 are provided with wear-resistant surfaces 7 arranged in the sliding contact direction, and the wear-resistant surfaces 7 can guide and limit the corresponding trolley wheels 5 on the end surfaces thereof. Wherein, the wear-resistant surface 7 is constructed into a metal frame which is beneficial to the rolling fit of the trolley 5, and the trolley 5 can support and reciprocate along the length direction of the frame. In particular, the wear-resistant surface 7 can be adapted to the trolley wheel 5 in a sliding manner, so as to limit the guiding of the trolley wheel 5 in the direction of movement thereof, thus increasing the service life of the whole and the smooth operation thereof.
As shown in fig. 5, the stopper 8 and the bumper 9 are provided on the rear end sides of the fixed plate 21 and the slide cover 221. The limiting member 8 is configured as a folded plate structure, and an end of the folded plate structure is bent and horizontally extends on the end surface so as to abut against and limit the sliding cover plate 221 to continuously disengage after the traveling sliding plate assembly 22 moves to the second position. The bump guard 9 is disposed on the rear end face in a protruding manner, and can be elastically abutted against the sliding cover plate 221 adjacent to the traveling slide plate assembly 22 after the traveling slide plate assembly 22 moves to the first position. Therefore, the sliding cover plates 221 which are in sliding contact with each other cannot be separated from each other through the folded plate structure, the anti-collision piece 9 is arranged at the end face position of the rear end side, the purpose of buffering collision is achieved, and in the position switching process, noise generation and damage to the plate body are avoided.
As shown in fig. 2, the anti-rollover mechanism 10 is further included, and the anti-rollover mechanism 10 is configured as an anti-rollover fixture structure for facilitating the sliding contact direction of the sliding cover plate 221, and the anti-rollover fixture structure is configured between the fixed plate 21 and the first floor, and between two adjacent sliding cover plates 221. The anti-tipping fixture block structure is arranged on one sliding cover plate 221, and the guide notch of the anti-tipping fixture block structure is embedded and arranged with the plate body edge of the fixed plate 21/another adjacent sliding cover plate 221 in a clearance fit mode, so that the anti-tipping fixture block structure is prevented from tipping in the sliding contact direction of the sliding cover plate 221, and a remarkable foolproof effect is achieved.
In one embodiment, the walking board assembly 22 has at least three sliding cover plates 221, and the number of sliding cover plates 221 of two walking board assemblies 22 is the same. The number of the sliding cover plates 221 of each walking sliding plate assembly 22 in linkage fit with each other is equivalent, and the sliding cover plates are related to each other during position switching, so that the work and use of an operator are greatly improved, the storage and the expansion operation can be implemented according to a preset abdicating space, and the effect is particularly remarkable.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention.
Claims (10)
1. A retractable protective cover plate adapted to be movably disposed in an off-ground working environment with a pit site, comprising:
a ground rail mechanism which is provided with a slide rail extending along the length direction at two sides of the pit position,
the cover plate mechanism is transversely arranged on the slide rail along the width direction and comprises fixed plates which are oppositely arranged at two ends of the slide rail and walking slide plate components which are respectively movably arranged on the fixed plates at the two ends; the walking sliding plate assembly consists of a plurality of stepped sliding cover plates which are arranged in a stacked mode, the sliding cover plates positioned on the first layer are in sliding contact joint with the fixed plates of the sliding cover plates, and the sliding cover plates of all adjacent layers are matched in a sliding contact mode and supported on the sliding rails in a sliding mode; wherein the content of the first and second substances,
the walking sliding plate assembly is provided with a first position at which the sliding cover plates can be stacked and stored on the fixed plate and a second position at which the sliding cover plates are connected and unfolded to be paved on the sliding rail.
2. The retractable protective cover of claim 1, wherein the two walking board assemblies are connected by a linkage mechanism, and any one of the walking board assemblies is controlled by an external force to switch between the first position and the second position.
3. The retractable protective deck of claim 2, wherein the linkage comprises a push-pull rod abutting between the two highest-order sliding deck members, and the push-pull rod is configured to actuate one of the walking board assemblies to a second position when the other walking board assembly is in the first position, so that a space is created between the two walking board assemblies.
4. The retractable protective cover of claim 3, wherein a bent plate is disposed on the sliding cover of any highest step, and the bent plate is configured to be coupled to an external driving mechanism to drive the sliding traveling assemblies to reciprocate along the sliding rails.
5. The retractable protective cover of claim 1, wherein each sliding cover has a pair of sliding wheels at its front end and a pair of supporting wheels at its rear end for supporting the sliding cover horizontally on the two sliding rails.
6. The retractable protective cover according to claim 5, wherein the upper end surfaces of the fixed plate and the sliding cover are provided with wear-resistant surfaces arranged along the sliding direction, and the wear-resistant surfaces can guide and limit the corresponding sliding wheels on the end surfaces.
7. The retractable protective cover plate according to claim 5, wherein the rear end sides of the fixed plate and the sliding cover plate are provided with a limiting member and an anti-collision member; the limiting piece is configured into a folded plate structure, and the end part of the folded plate structure is bent and horizontally extends on the end surface so as to abut against and limit the sliding cover plate to be continuously separated after the traveling sliding plate assembly moves to the second position.
8. The retractable protective cover of claim 7 wherein the bumper tab is disposed on the rear face and is capable of resiliently abutting against an adjacent cover plate after the travel board assembly is moved to the first position.
9. The retractable protective cover of claim 1, further comprising an anti-tipping mechanism configured as an anti-tipping cartridge structure for facilitating the sliding movement of the sliding cover along the sliding direction thereof, wherein the anti-tipping cartridge structure is configured between the fixed plate and the first step and between two adjacent sliding covers.
10. The telescoping protective deck according to claim 1, wherein the walking board assembly has at least three board boards, and the number of board boards of two walking board assemblies is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121944930.4U CN216108630U (en) | 2021-08-18 | 2021-08-18 | Telescopic protective cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121944930.4U CN216108630U (en) | 2021-08-18 | 2021-08-18 | Telescopic protective cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216108630U true CN216108630U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121944930.4U Active CN216108630U (en) | 2021-08-18 | 2021-08-18 | Telescopic protective cover plate |
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| CN (1) | CN216108630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162799A (en) * | 2022-07-07 | 2022-10-11 | 北京铁道工程机电技术研究所股份有限公司 | Pit cover plate device |
-
2021
- 2021-08-18 CN CN202121944930.4U patent/CN216108630U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162799A (en) * | 2022-07-07 | 2022-10-11 | 北京铁道工程机电技术研究所股份有限公司 | Pit cover plate device |
| CN115162799B (en) * | 2022-07-07 | 2024-04-12 | 北京铁道工程机电技术研究所股份有限公司 | Pit cover plate device |
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