CN215857140U - Telescopic inverted arch trestle structure - Google Patents
Telescopic inverted arch trestle structure Download PDFInfo
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- CN215857140U CN215857140U CN202122419559.6U CN202122419559U CN215857140U CN 215857140 U CN215857140 U CN 215857140U CN 202122419559 U CN202122419559 U CN 202122419559U CN 215857140 U CN215857140 U CN 215857140U
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Abstract
The utility model discloses a telescopic inverted arch trestle structure, which relates to the technical field of portable trestles and comprises a fixed trestle, a movable trestle and a telescopic mechanism, wherein the telescopic mechanism comprises: the device comprises a supporting wheel, a positioning rod, a supporting assembly, a driving assembly, a limiting assembly and a fixing assembly; the position of the fixed trestle is kept fixed, the movable trestle moves to change the length of the trestle, and a support component is arranged between the fixed trestle and the movable trestle, so that the movable trestle can be conveniently connected with the fixed trestle in the moving process; can make through drive assembly and remove the landing stage and carry out position change, spacing subassembly can be injectd the removal orbit that removes the landing stage, and fixed subassembly can be controlled the removal distance that removes the landing stage, facilitates the use.
Description
Technical Field
The utility model relates to the technical field of portable trestles, in particular to a telescopic inverted arch trestle structure.
Background
In the tunnel construction process, in order to realize the parallel operation of inverted arch construction and face excavation, a trestle needs to be erected between the steps under the inverted arch and the face, so that the transportation of various mechanical equipment and materials is facilitated, and different trestles are processed according to different length requirements when the trestle is processed in the past.
The operation is comparatively loaded down with trivial details in the use of current telescopic invert trestle structure, and to the inconvenient regulation control that carries on of flexible length, influences invert trestle's result of use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a telescopic inverted arch trestle structure to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a telescopic invert landing stage structure, includes fixed landing stage, removes landing stage and telescopic machanism, telescopic machanism includes:
the supporting wheel is arranged on the movable trestle and used for supporting the movable trestle and enabling the movable trestle to move;
the positioning rod is arranged on the fixed trestle and used for supporting the fixed trestle;
the supporting component is positioned between the fixed trestle and the movable trestle and is used for keeping the fixed trestle and the movable trestle connected in the expansion process;
the driving assembly is arranged on the supporting assembly and used for driving the movable trestle to move so as to change the length of the trestle;
the limiting assembly is positioned on the supporting assembly and used for limiting the moving track of the moving trestle;
and the fixing component is positioned on the side surface of the driving component and used for fixing the moving position of the movable trestle.
As a further scheme of the utility model: the support assembly includes:
the limiting hole is positioned on the fixed trestle;
the supporting rod is arranged on the movable trestle and is connected with the limiting hole;
the movable groove is positioned on the movable trestle and is positioned at one end of the movable trestle;
and the movable frame is arranged at one end of the fixed trestle and is positioned on the inner side of the movable groove.
As a further scheme of the utility model: the drive assembly includes:
the driving motor is arranged on the inner side of the movable frame and is fixedly connected with the movable frame;
the rotating rod is positioned at the output end of the driving motor and is used for rotating along with the output end of the driving motor;
the rotating teeth are positioned on the inner side of the moving frame, connected with the rotating rod and used for rotating along with the rotating rod;
and the rack is arranged on the inner side of the movable groove, is fixedly connected with the inner wall of the movable groove, is connected with the rotating teeth and drives the movable trestle to move.
As a further scheme of the utility model: the spacing subassembly includes:
the limiting frame is arranged on the inner side of the moving groove and is fixedly connected with the inner wall of the moving groove;
and the pulley is arranged on the outer side of the moving frame, is connected with the limiting frame and is used for reducing the friction force between the moving frame and the moving groove.
As a further scheme of the utility model: the fixing assembly includes:
the driving piece is positioned on the inner side of the movable frame and is fixedly connected with the inner wall of the movable frame;
the moving rod is positioned at the output end of the driving piece and is used for moving along with the output end of the driving piece;
and the positioning teeth are connected with the moving rod and are used for being connected with the rotating teeth and fixing the rotating teeth.
As a further scheme of the utility model: the telescopic inverted arch trestle structure further comprises: and the slotted hole is positioned on the moving block and used for connecting the rotating teeth with the rack.
As a further scheme of the utility model: the telescopic inverted arch trestle structure further comprises: and the anti-skid seat is positioned at one end of the fixed trestle and one end of the movable trestle and used for supporting the fixed trestle and the movable trestle.
Compared with the prior art, the utility model has the beneficial effects that:
in the utility model, the position of the fixed trestle is kept fixed, the movable trestle moves to realize the change of the length of the trestle, and a support component is arranged between the fixed trestle and the movable trestle, so that the movable trestle can be conveniently connected with the fixed trestle in the moving process; can make through drive assembly and remove the landing stage and carry out position change, spacing subassembly can be injectd the removal orbit that removes the landing stage, and fixed subassembly can be controlled the removal distance that removes the landing stage, facilitates the use.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a support assembly and a fixing assembly according to the present invention.
Fig. 3 is a schematic structural diagram of the driving assembly of the present invention.
Fig. 4 is a schematic structural diagram of one end of the mobile trestle in the utility model.
Fig. 5 is a schematic structural view of the moving frame of the present invention.
In the figure: 1-fixed trestle, 2-movable trestle, 3-supporting wheel, 4-positioning rod, 5-supporting component, 51-limiting frame, 52-supporting rod, 53-moving groove, 54-moving frame, 6-driving component, 61-driving motor, 62-rotating rod, 63-rotating tooth, 64-rack, 7-limiting component, 71-limiting frame, 72-pulley, 8-fixed component, 81-driving component, 82-moving rod, 83-positioning tooth, 9-slotted hole and 10-antiskid seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in an embodiment of the present invention, a telescopic inverted arch trestle structure includes a fixed trestle 1, a movable trestle 2, and a telescopic mechanism, where the telescopic mechanism includes:
the supporting wheels 3 are arranged on the movable trestle 2 and used for supporting the movable trestle 2 and enabling the movable trestle 2 to move;
the positioning rod 4 is arranged on the fixed trestle 1 and used for supporting the fixed trestle 1;
the supporting component 5 is positioned between the fixed trestle 1 and the movable trestle 2 and is used for keeping the fixed trestle 1 and the movable trestle 2 connected in the process of expansion;
the driving assembly 6 is arranged on the supporting assembly 5 and used for driving the movable trestle 2 to move so as to change the length of the trestle;
the limiting component 7 is positioned on the supporting component 5 and used for limiting the moving track of the moving trestle 2;
and the fixing component 8 is positioned on the side surface of the driving component 6 and is used for fixing the moving position of the movable trestle 2.
In this embodiment, the position of the fixed trestle 1 is kept fixed, the movable trestle 2 moves to change the length of the trestle, and a support component 5 is installed between the fixed trestle 1 and the movable trestle 2, so that the movable trestle 2 can be conveniently connected with the fixed trestle 1 in the moving process; the position of the movable trestle 2 can be changed through the driving component 6, the limiting component 7 can limit the moving track of the movable trestle 2, and the fixed component 8 can control the moving distance of the movable trestle 2, so that the use is convenient; the supporting wheels 3 are convenient for supporting the movable trestle 2 and facilitating the position movement of the movable trestle 2; the positioning rod 4 can support one end of the fixed trestle 1 and keep the fixed trestle 1 stable.
In one embodiment of the present invention, referring to fig. 1 and 2, the supporting component 5 includes:
the limiting hole is positioned on the fixed trestle 1;
the support rod 52 is arranged on the movable trestle 2 and is connected with the limiting hole;
a moving groove 53, which is located on the moving trestle 2 and is located at one end of the moving trestle 2;
and a moving frame 54 installed at one end of the fixed trestle 1 and located inside the moving groove 53.
In this embodiment, the limiting hole is located at one end of the fixed trestle 1, the supporting rod 52 is fixedly installed at one end of the movable trestle 2 close to the fixed trestle 1, the supporting rod 52 is in concave-convex connection with the limiting hole, the supporting rod 52 and the limiting hole are both provided with a plurality of holes and are uniformly distributed on the fixed trestle 1 and the movable trestle 2, so that the connection stability of the fixed trestle 1 and the movable trestle 2 is conveniently maintained; the movable groove 53 is located in the movable trestle 2, one end of the movable trestle 1 is fixedly installed on the movable frame 54, and the movable frame 54 is in concave-convex connection with the movable groove 53, so that the movable trestle 2 can be conveniently moved.
In one embodiment of the present invention, referring to fig. 2 and 3, the driving assembly 6 includes:
a driving motor 61 installed inside the moving frame 54 and fixedly connected to the moving frame 54;
the rotating rod 62 is positioned at the output end of the driving motor 61 and is used for rotating along with the output end of the driving motor 61;
a rotating tooth 63 located inside the moving frame 54 and connected to the rotating lever 62 for rotating along with the rotating lever 62;
and the rack 64 is installed on the inner side of the moving groove 53, is fixedly connected with the inner wall of the moving groove 53, and is used for being connected with the rotating teeth 63 and driving the moving trestle 2 to move.
In this embodiment, the driving motor 61 is a dual-shaft motor, the driving motor 61 is fixedly installed in the middle of one end of the moving frame 54 close to the moving trestle 2, the output end of the driving motor 61 is provided with a rotating rod 62, the rotating rod 62 is provided with a rotating tooth 63, and the rotating tooth 63 is rotatably connected with the moving frame 54, so that the driving motor 61 can drive the rotating tooth 63 to rotate conveniently; the rack 64 is fixedly installed on the inner wall of the moving groove 53, the rotating teeth 63 are connected with the rack 64 in a meshed mode, and when the rotating teeth 63 rotate, the rack 64 is conveniently driven to move, and further the position of the moving trestle 2 is moved.
In an embodiment of the present invention, referring to fig. 2 and 4, the limiting assembly 7 includes:
the limiting frame 7151 is arranged on the inner side of the moving groove 53 and is fixedly connected with the inner wall of the moving groove 53;
and a pulley 72 installed at an outer side of the moving frame 54 and connected to the limiting frame 7151 for reducing a frictional force between the moving frame 54 and the moving groove 53.
In this embodiment, the limiting frame 7151 is fixedly mounted on the inner wall of the moving groove 53, the sectional shape of the limiting frame 7151 is U-shaped, the pulley 72 is fixedly mounted on the moving frame 54, the limiting frame 7151 is mounted on the upper side and the lower side of the inside of the moving groove 53, the pulley 72 is mounted on the upper side and the lower side of the moving frame 54, the pulley 72 is located on the inner side of the limiting frame 7151, the pulley 72 is convenient to support the moving frame 54, the friction force between the moving groove 53 and the moving frame 54 is reduced, the moving frame 54 is convenient to move on the inner side of the moving groove 53, and the further moving trestle 2 is convenient to move.
In one embodiment of the present invention, referring to fig. 2, the fixing component 8 includes;
the driving piece 81 is positioned at the inner side of the moving frame 54 and is fixedly connected with the inner wall of the moving frame 54;
a moving rod 82 positioned at the output end of the driving member 81 and used for moving along with the output end of the driving member 81;
and a positioning tooth 83 connected with the moving rod 82 and used for connecting with the rotating tooth 63 and fixing the rotating tooth 63.
In this embodiment, the driving member 81 is a telescopic motor, the driving member 81 is fixedly installed inside the moving frame 54, the output end of the driving member 81 is fixedly installed with the moving rod 82, the driving member 81 facilitates to control the moving rod 82 to move, one end of the moving rod 82 far away from the driving member 81 is fixedly installed with the positioning tooth 83, the positioning tooth 83 is arc-shaped, the positioning tooth 83 can be connected with or separated from the rotating tooth 63 through the driving member 81 and the moving rod 82, when the positioning tooth 83 is separated from the rotating tooth 63, the rotating tooth 63 can rotate, and the moving trestle 2 can be conveniently controlled to move; when the positioning teeth 83 are connected with the rotating teeth 63, the rotating teeth 63 are different in fixation, and the positioning teeth 83 are meshed with the rotating teeth 63, so that the rotating teeth 63 are conveniently fixed.
In an embodiment of the present invention, referring to fig. 5, the retractable inverted arch trestle structure further includes: a slotted hole 9 positioned on the moving block and used for connecting the rotating teeth 63 with the rack 64; the rotating teeth 63 are positioned on the inner side of the slotted hole 9, and the part of the rotating teeth 63, which can extend out of the slotted hole 9, can be connected with the rack 64, so that the rack 64 can be conveniently controlled to move in position.
In an embodiment of the present invention, referring to fig. 1, the retractable inverted arch trestle structure further includes: the anti-skid seat 10 is positioned at one end of the fixed trestle 1 and one end of the movable trestle 2 and is used for supporting the fixed trestle 1 and the movable trestle 2; the antiskid seat 10 is inclined, so that the use is convenient.
The working principle of the utility model is as follows:
in the utility model, the fixed trestle 1 is fixed at different positions, the movable trestle 2 is displaced, so that the length change of the trestle is realized, the support component 5 between the fixed trestle 1 and the movable trestle 2 can effectively keep the stability of the fixed trestle 1 and the movable trestle 2, the movable trestle 2 can be moved by the driving component 6, the moving track of the movable trestle 2 is limited by the limiting component 7, and the fixed component 8 fixes the movable trestle 2, so that the stability of the trestle is kept, and the use is convenient.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a telescopic invert landing stage structure, includes fixed landing stage, removes landing stage and telescopic machanism, its characterized in that, telescopic machanism includes:
the supporting wheel is arranged on the movable trestle and used for supporting the movable trestle and enabling the movable trestle to move;
the positioning rod is arranged on the fixed trestle and used for supporting the fixed trestle;
the supporting component is positioned between the fixed trestle and the movable trestle and is used for keeping the fixed trestle and the movable trestle connected in the expansion process;
the driving assembly is arranged on the supporting assembly and used for driving the movable trestle to move so as to change the length of the trestle;
the limiting assembly is positioned on the supporting assembly and used for limiting the moving track of the moving trestle;
and the fixing component is positioned on the side surface of the driving component and used for fixing the moving position of the movable trestle.
2. The telescopic inverted arch trestle structure of claim 1, wherein the support assembly comprises:
the limiting hole is positioned on the fixed trestle;
the supporting rod is arranged on the movable trestle and is connected with the limiting hole;
the movable groove is positioned on the movable trestle and is positioned at one end of the movable trestle;
and the movable frame is arranged at one end of the fixed trestle and is positioned on the inner side of the movable groove.
3. The telescopic inverted arch trestle structure of claim 2, wherein the drive assembly comprises:
the driving motor is arranged on the inner side of the movable frame and is fixedly connected with the movable frame;
the rotating rod is positioned at the output end of the driving motor and is used for rotating along with the output end of the driving motor;
the rotating teeth are positioned on the inner side of the moving frame, connected with the rotating rod and used for rotating along with the rotating rod;
and the rack is arranged on the inner side of the movable groove, is fixedly connected with the inner wall of the movable groove, is connected with the rotating teeth and drives the movable trestle to move.
4. The telescopic inverted arch trestle structure of claim 3, wherein the limiting assembly comprises:
the limiting frame is arranged on the inner side of the moving groove and is fixedly connected with the inner wall of the moving groove;
and the pulley is arranged on the outer side of the moving frame, is connected with the limiting frame and is used for reducing the friction force between the moving frame and the moving groove.
5. The telescopic inverted arch trestle structure of claim 4, wherein the fixing assembly comprises:
the driving piece is positioned on the inner side of the movable frame and is fixedly connected with the inner wall of the movable frame;
the moving rod is positioned at the output end of the driving piece and is used for moving along with the output end of the driving piece;
and the positioning teeth are connected with the moving rod and are used for being connected with the rotating teeth and fixing the rotating teeth.
6. The telescopic invert trestle structure according to claim 5, further comprising: and the slotted hole is positioned on the moving block and used for connecting the rotating teeth with the rack.
7. The telescopic invert trestle structure according to claim 1, further comprising: and the anti-skid seat is positioned at one end of the fixed trestle and one end of the movable trestle and used for supporting the fixed trestle and the movable trestle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122419559.6U CN215857140U (en) | 2021-10-08 | 2021-10-08 | Telescopic inverted arch trestle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122419559.6U CN215857140U (en) | 2021-10-08 | 2021-10-08 | Telescopic inverted arch trestle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215857140U true CN215857140U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122419559.6U Active CN215857140U (en) | 2021-10-08 | 2021-10-08 | Telescopic inverted arch trestle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215857140U (en) |
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2021
- 2021-10-08 CN CN202122419559.6U patent/CN215857140U/en active Active
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