CN214403596U

CN214403596U - Frameless trolley door frame structure

Info

Publication number: CN214403596U
Application number: CN202023001985.XU
Authority: CN
Inventors: 李胜; 黄光友; 马鹄; 燕庚; 翟军强; 李向龙; 张志广; 王晓龙
Original assignee: CCCC SHB Fourth Engineering Co Ltd
Current assignee: CCCC SHB Fourth Engineering Co Ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-10-15
Anticipated expiration: 2030-12-14

Abstract

The utility model discloses a no skeleton platform truck door frame structure, including epiphragma and limit membrane, the below of limit membrane is provided with the actuating mechanism who is used for control trolley to remove, be the disconnect-type connection between epiphragma and the limit membrane, the inboard of limit membrane is opened flutedly, is provided with the elevating system who is used for controlling the epiphragma to go up and down in the recess, elevating system includes driving motor, spiral shell piece, screw rod and push rod, and driving motor sets up in the bottom of recess, and driving motor's output and screw rod are connected, and the upper end of screw rod is rotated with the upper end of recess and is connected, and the lateral surface threaded connection of screw rod has the spiral shell piece, and the last fixed surface of spiral shell piece has the push rod, and the bottom fixed connection of limit membrane and epiphragma is passed to the upper end of push rod, and original elevation structure can be simplified to this no skeleton platform truck door frame structure, and the bulk movement of the platform truck of being convenient for the drawing of patterns simultaneously improves the convenience of use.

Description

Frameless trolley door frame structure

Technical Field

The utility model relates to a tunnel construction technical field specifically is a no skeleton platform truck door frame structure.

Background

During tunnel construction, demoulding is needed after the trolley is lined, and the existing demoulding door frame is provided with a framework, so that the support structure is large, the internal space is small, and demoulding is not facilitated, and therefore the trolley without the framework is developed at present.

The lift of the lift cylinder control door frame through the bottom is mostly to current frameless's platform truck to be applicable to the pouring of not co-altitude tunnel portal, but this kind of elevating gear fixed knot constructs and mounting panel is more, makes whole bottom heavy and tedious, is unfavorable for the removal of platform truck, pulls out whole door frame when the drawing of patterns simultaneously, is unfavorable for the drawing of patterns.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome current defect, provide a no skeleton platform truck door frame structure, can simplify original elevation structure, the moving as a whole of the platform truck of being convenient for makes things convenient for the drawing of patterns simultaneously, further promotes the utility model discloses an availability factor can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a no skeleton platform truck door frame structure, includes epiphragma and limit membrane, and the below of limit membrane is provided with the actuating mechanism who is used for the control table truck to remove, be the disconnect-type connection between epiphragma and the limit membrane, open flutedly in the inboard of limit membrane, be provided with the elevating system who is used for controlling the epiphragma lift in the recess, elevating system includes driving motor, spiral shell piece, screw rod and push rod, and driving motor sets up in the bottom of recess, and driving motor's output and screw rod are connected, and the upper end of screw rod is rotated with the upper end of recess and is connected, and the lateral surface threaded connection of screw rod has the spiral shell piece, and the last fixed surface of spiral shell piece has the push rod, and the bottom fixed connection of limit membrane and epiphragma is passed to the upper end of push rod.

As an optimized technical scheme of the utility model, the quantity of push rod is two, and two push rod symmetric distributions are in the both sides of screw rod.

As an optimal technical scheme of the utility model, the upper end of screw rod is passed through the bearing and is connected with the upper end rotation of recess.

As an optimal technical scheme of the utility model, the leading flank of limit membrane is fixed with the fixed plate, and the upper end of fixed plate is provided with compensation mechanism, compensation mechanism includes fixed block, hydraulic push rod, slider, compensation piece and pole setting, slider sliding connection is in the upper end of fixed plate, and the last side front end of fixed plate is provided with the fixed block, is connected through hydraulic push rod between fixed block and the slider, and the last fixed surface of slider has the pole setting, has cup jointed the compensation piece in the pole setting.

As a preferred technical scheme of the utility model, the lateral surface of compensation piece and the lateral surface of limit membrane are located same vertical face.

As an optimized technical scheme of the utility model, the upper surface of slider and the upper surface of limit membrane are located same level.

Compared with the prior art, the beneficial effects of the utility model are that: this frameless platform truck door frame structural design is reasonable, the design is novel, occupation space is little during the use, can simplify original heavy miscellaneous bottom elevation structure, convenient drawing of patterns, rotation through driving motor drives the rotation of screw rod, and then the lift of control spiral shell piece, the lift of spiral shell piece drives the lift of push rod control top film, makes things convenient for the construction of co-altitude tunnel portal, has improved the convenience of use greatly, during the drawing of patterns, can withdraw the top film earlier, then pull out the door frame, the convenient drawing of patterns.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a left side view of the present invention.

In the figure: 1 top film, 2 side films, 3 lifting mechanisms, 31 driving motors, 32 screw blocks, 33 screw rods, 34 push rods, 4 grooves, 5 fixing plates, 6 compensating mechanisms, 61 fixing blocks, 62 hydraulic push rods, 63 sliding blocks, 64 compensating blocks and 65 vertical rods.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, not a whole embodiment (for convenience of description and understanding, the following description is made with the upper side of fig. 2 as the upper side, and the front side of fig. 2 as the front side). Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a frameless trolley door frame structure comprises a top film 1 and a side film 2, a driving mechanism for controlling trolley movement is arranged below the side film 2, the top film 1 and the side film 2 are connected in a separated mode, a groove 4 is formed in the inner side of the side film 2, a lifting mechanism 3 for controlling the lifting of the top film 1 is arranged in the groove 4, a fixing plate 5 is fixed on the front side face of the side film 2, a compensation mechanism 6 is arranged at the upper end of the fixing plate 5, the compensation mechanism 6 comprises a fixing block 61, a hydraulic push rod 62, a sliding block 63, a compensation block 64 and a vertical rod 65, the sliding block 63 is connected to the upper end of the fixing plate 5 in a sliding mode, the fixing block 61 is arranged at the front end of the upper side face of the fixing plate 5, the fixing block 61 is connected with the sliding block 63 through the hydraulic push rod 62, the vertical rod 65 is fixed on the upper surface of the sliding block 63, the compensation block 64 is sleeved on the vertical rod 65, the movable compensation block 64 can be added when the top film 1 is separated from the side film 2, the lining effect is not influenced, the stability of the whole door frame during lining is ensured, the lifting mechanism 3 comprises a driving motor 31, a screw block 32, a screw rod 33 and push rods 34, the driving motor 31 is arranged at the bottom of the groove 4, the output end of the driving motor 31 is connected with the screw rod 33, the upper end of the screw rod 33 is rotatably connected with the upper end of the groove 4 through a bearing, the outer side surface of the screw rod 33 is in threaded connection with the screw block 32, the push rods 34 are fixed on the upper surface of the screw block 32, the upper end of each push rod 34 penetrates through the side membrane 2 to be fixedly connected with the bottom of the top membrane 1, the number of the push rods 34 is two, the two push rods 34 are symmetrically distributed at two sides of the screw rod 33, the lifting stability of the top membrane 1 is improved through the arrangement of the two push rods 34, the outer side surface of the compensation block 64 and the outer side surface of the side membrane 2 are positioned on the same vertical surface, and the phenomenon of dislocation is ensured not to occur after lining of the inner wall of the tunnel, the upper surface of slider 63 and the upper surface of limit membrane 2 are located same level, make things convenient for pushing of compensation piece 64, and this no skeleton platform truck door frame structural design is reasonable, and the design is novel, and occupation space is little during the use, can simplify original heavy miscellaneous bottom elevation structure, makes things convenient for the drawing of patterns, has improved the convenience of use.

When in use: firstly, calculating the thickness of a compensation block 64 needing compensation according to the total height of a tunnel needing to be constructed, then sleeving the compensation block 64 on a vertical rod 65, controlling a driving motor 31 to work during construction, further driving a screw 33 to rotate, driving a screw block 32 to ascend by rotating the screw 33, further pushing a top film 1 to ascend through a push rod 34, closing the driving motor 31 after ascending to a proper height, starting a hydraulic push rod 62, and pushing the compensation block 64 to a gap between the top film 1 and a side film 2; when demoulding, the compensation block 64 is firstly drawn out, then the top film 1 is controlled to descend, a demoulding gap is reserved, and then the whole door frame is pushed out.

The utility model can be operated conveniently, occupies little space when in use, and is convenient for operation and use; the original heavy and complicated bottom lifting structure can be simplified, and the use convenience is improved; can mend compensation piece 64 when the epiphragma 1 separates with limit membrane 2 through setting up mobilizable compensation piece 64, do not influence the lining effect, stability when guaranteeing whole door frame lining, further improve the convenience in utilization.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a no skeleton platform truck door frame structure, includes epiphragma (1) and limit membrane (2), the below of limit membrane (2) is provided with the actuating mechanism who is used for the control platform truck to remove, its characterized in that: be connected for the disconnect-type between epiphragma (1) and the limit membrane (2), open the inboard of limit membrane (2) and have recess (4), be provided with in recess (4) and be used for controlling elevating system (3) that epiphragma (1) go up and down, elevating system (3) are including driving motor (31), spiral shell piece (32), screw rod (33) and push rod (34), and driving motor (31) set up in the bottom of recess (4), and the output and screw rod (33) of driving motor (31) are connected, and the upper end of screw rod (33) is rotated with the upper end of recess (4) and is connected, and the lateral surface threaded connection of screw rod (33) has spiral shell piece (32), and the last fixed surface of spiral shell piece (32) has push rod (34), and the bottom fixed connection of limit membrane (2) and epiphragma (1) is passed to the upper end of push rod (34).

2. The frameless door frame structure of claim 1, wherein: the number of the push rods (34) is two, and the two push rods (34) are symmetrically distributed on two sides of the screw rod (33).

3. The frameless door frame structure of claim 1, wherein: the upper end of the screw rod (33) is rotatably connected with the upper end of the groove (4) through a bearing.

4. The frameless door frame structure of claim 1, wherein: the utility model discloses a side membrane module, including fixed block (61), hydraulic push rod (62), slider (63), compensation block (64) and pole setting (65), slider (63) sliding connection is in the upper end of fixed block (5), and the side of going up of fixed block (5) is fixed with fixed plate (5), and the upper end of fixed plate (6) is provided with fixed block (61) including fixed block (61), hydraulic push rod (62), slider (63), compensation block (64) and pole setting (65), and the last fixed surface of slider (63) has pole setting (65), has cup jointed compensation block (64) on pole setting (65).

5. The frameless door frame structure of claim 4, wherein: the outer side face of the compensation block (64) and the outer side face of the side film (2) are located on the same vertical face.

6. The frameless door frame structure of claim 4, wherein: the upper surface of the sliding block (63) and the upper surface of the side film (2) are located at the same horizontal height.