CN211819428U - Trolley for tunnel construction - Google Patents
Trolley for tunnel construction Download PDFInfo
- Publication number
- CN211819428U CN211819428U CN202020345871.8U CN202020345871U CN211819428U CN 211819428 U CN211819428 U CN 211819428U CN 202020345871 U CN202020345871 U CN 202020345871U CN 211819428 U CN211819428 U CN 211819428U
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- Prior art keywords
- support frame
- template
- crossbeam
- tunnel construction
- arch template
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Abstract
The utility model discloses a platform truck for tunnel construction, its top arch support effect, platform truck location effect are better. The utility model provides a platform truck for tunnel construction, includes the top and encircles the template, the both sides hinged edge arch template of top arch template, the lower extreme fixed cross beam of top arch template, the left and right sides below of crossbeam is equipped with the support frame respectively, the bottom of support frame is equipped with traveling system, the top of support frame is the backup pad, immediately be equipped with a plurality of uide bushings in the backup pad, the lower extreme of crossbeam sets up guide pillar and uide bushing clearance fit, sets up the jack between one of them guide pillar, the uide bushing for drive top arch template, crossbeam lift, still be equipped with the supporter in the backup pad, the upper end of going up the supporter is equipped with the gyro wheel for inject the lower extreme position of top arch template, crossbeam.
Description
Technical Field
The utility model relates to a tunnel construction technical field especially relates to a platform truck for tunnel construction.
Background
The existing trolley is like the trolley with the patent application number of 201721222216.8, a cross beam and a portal frame are supported by a single point, the supporting strength is low, a top arch part is very heavy, and the structure is very easy to incline and damage. Moreover, the walking system of the existing trolley directly places the walking wheels on the walking track, and the trolley is positioned through the fixed walking wheels, and because the self weight of the trolley is very large, the positioning effect of the positioning mode is poor, the positioning damage is easy to occur, and the potential safety hazard is brought.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a platform truck for tunnel construction, its top arch support effect, platform truck positioning effect are better.
The purpose of the utility model is realized like this:
the utility model provides a platform truck for tunnel construction, includes the top and encircles the template, the both sides hinged edge arch template of top arch template, the lower extreme fixed cross beam of top arch template, the left and right sides below of crossbeam is equipped with the support frame respectively, the bottom of support frame is equipped with traveling system, the top of support frame is the backup pad, immediately be equipped with a plurality of uide bushings in the backup pad, the lower extreme of crossbeam sets up guide pillar and uide bushing clearance fit, sets up the jack between one of them guide pillar, the uide bushing for drive top arch template, crossbeam lift, still be equipped with the supporter in the backup pad, the upper end of going up the supporter is equipped with the gyro wheel for inject the lower extreme position of top arch template, crossbeam.
Preferably, the walking system comprises a lower support body arranged at the bottom of the support frame, walking wheels are arranged on one side of the lower support body, a lower jack is arranged at the lower end of the lower support body and used for driving the support frame to lift, a support seat is arranged at the bottom of the lower jack, a walking track corresponding to the walking wheels is arranged on the ground,
when the lower jack is in a working state, the travelling wheels are separated from the travelling track, and the supporting seat is in contact with the ground to form support; when the lower jack is in a contraction state, the supporting seat is separated from the ground, and the traveling wheels are supported on the traveling track.
Preferably, walking wheels are oppositely arranged at the lower part of the support frame, and rotating shafts of the walking wheels are connected into a whole through connecting columns.
Preferably, a plurality of supporting upright rods are vertically arranged between the cross beam and the top arch formwork.
Preferably, a plurality of reinforcing screw rods are arranged between the support frame and the corresponding side arch template.
Due to the adoption of the technical scheme, the utility model discloses the top encircles the supporting effect, the platform truck location effect is better.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at P;
FIG. 3 is an enlarged view of a portion of FIG. 1 at Q;
fig. 4 is a schematic view of the operation of the present invention.
Reference numerals
In the attached drawing, 1 is a top arch template, 2 is an edge arch template, 3 is a supporting vertical rod, 4 is a supporting frame, 5 is a reinforcing screw rod, 6 is a supporting plate, 7 is a guide sleeve, 8 is a guide pillar, 9 is an upper jack, 10 is an upper supporting body, 11 is a roller, 12 is a lower supporting body, 13 is a walking wheel, 14 is a lower jack, 15 is a supporting seat, 16 is a walking track, 17 is a connecting column, 18 is a cross beam, 19 is a tunnel wall, and 20 is concrete.
Detailed Description
Referring to fig. 1 to 3, the trolley for tunnel construction comprises a top arch formwork, wherein side arch formworks are hinged to two sides of the top arch formwork, a cross beam is fixed to the lower end of the top arch formwork, and a plurality of supporting vertical rods are vertically arranged between the cross beam and the top arch formwork. And supporting frames are respectively arranged below the left side and the right side of the cross beam, and a plurality of reinforcing screw rods are arranged between the supporting frames and the corresponding side arch templates. The bottom of support frame is equipped with traveling system, the top of support frame is the backup pad, a plurality of uide bushings have stood to be equipped with in the backup pad, the lower extreme of crossbeam sets up guide pillar and uide bushing clearance fit, sets up the jack between one of them guide pillar, the uide bushing, is the upper jack at middle part in this embodiment for drive crown's template, crossbeam lift, in order to finely tune the position. Still be equipped with the supporter in the backup pad, the upper end of going up the supporter is equipped with the gyro wheel for inject the lower extreme position of top arch template, crossbeam, the gyro wheel can bear certain horizontal position, prevents to rub and damages.
The walking system comprises a lower support body arranged at the bottom of the support frame, walking wheels are arranged on one side of the lower support body, a lower jack is arranged at the lower end of the lower support body and used for driving the support frame to lift, a supporting seat is arranged at the bottom of the lower jack, a walking track is arranged on the ground and corresponds to the walking wheels, when the lower jack is in a working state, the walking wheels are separated from the walking track, and the supporting seat is in contact with the ground to form support; when the lower jack is in a contraction state, the supporting seat is separated from the ground, and the traveling wheels are supported on the traveling track. In this embodiment, the lower part of the support frame is oppositely provided with walking wheels, and rotating shafts of the walking wheels are connected into a whole through connecting columns so as to increase the strength.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a platform truck for tunnel construction, encircles the template including the top, the top encircles the both sides hinged edge arch template of template, the lower extreme fixed cross beam that encircles the template, the left and right sides below of crossbeam is equipped with the support frame respectively, the bottom of support frame is equipped with traveling system, its characterized in that: the top of support frame is the backup pad, a plurality of uide bushings set up immediately in the backup pad, the lower extreme of crossbeam sets up guide pillar and uide bushing clearance fit, sets up the jack between one of them guide pillar, the uide bushing for drive top arch template, crossbeam lift, still be equipped with the supporter in the backup pad, the upper end of going up the supporter is equipped with the gyro wheel, is used for injecing the lower extreme position of top arch template, crossbeam.
2. The trolley for tunnel construction according to claim 1, wherein: the walking system comprises a lower support body arranged at the bottom of the support frame, walking wheels are arranged on one side of the lower support body, a lower jack is arranged at the lower end of the lower support body and used for driving the support frame to lift, a support seat is arranged at the bottom of the lower jack, a walking track is arranged on the ground and corresponds to the walking wheels,
when the lower jack is in a working state, the travelling wheels are separated from the travelling track, and the supporting seat is in contact with the ground to form support; when the lower jack is in a contraction state, the supporting seat is separated from the ground, and the traveling wheels are supported on the traveling track.
3. The trolley for tunnel construction according to claim 2, wherein: the lower part of the support frame is oppositely provided with walking wheels, and rotating shafts of the walking wheels are connected into a whole through connecting columns.
4. The trolley for tunnel construction according to claim 1, wherein: and a plurality of supporting upright rods are vertically arranged between the cross beam and the top arch template.
5. The trolley for tunnel construction according to claim 1, wherein: and a plurality of reinforcing screw rods are arranged between the support frame and the corresponding side arch template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020345871.8U CN211819428U (en) | 2020-03-18 | 2020-03-18 | Trolley for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020345871.8U CN211819428U (en) | 2020-03-18 | 2020-03-18 | Trolley for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211819428U true CN211819428U (en) | 2020-10-30 |
Family
ID=73012659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020345871.8U Active CN211819428U (en) | 2020-03-18 | 2020-03-18 | Trolley for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211819428U (en) |
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2020
- 2020-03-18 CN CN202020345871.8U patent/CN211819428U/en active Active
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