CN210888958U - Tunnel cantilever type inverted arch floating formwork construction rack - Google Patents
Tunnel cantilever type inverted arch floating formwork construction rack Download PDFInfo
- Publication number
- CN210888958U CN210888958U CN201921209168.8U CN201921209168U CN210888958U CN 210888958 U CN210888958 U CN 210888958U CN 201921209168 U CN201921209168 U CN 201921209168U CN 210888958 U CN210888958 U CN 210888958U
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- Prior art keywords
- inverted arch
- cantilever
- rack
- mould
- arch steel
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Abstract
The utility model relates to a tunnel construction technical field, more specifically relate to a tunnel cantilever type inverted arch floats mould construction rack. Including the cantilever rack, hang positioner, inverted arch steel floats mould and reinforcing apparatus, the cantilever rack includes cantilever and walking rack, it passes through movable hinge and cantilever hookup to hang positioner, inverted arch steel floats the mould and passes through movable hinge and the hookup of hanging positioner, through the regulation to hanging positioner, can control the position change that the inverted arch steel floats the mould, when demolising floating the mould, it floats the mould to promote inverted arch steel through the chain block, promote to advance at the track through the walking dolly after accomplishing, retreat, move to the part of treating the construction, inverted arch steel floats the mould and passes through reinforcing apparatus and cantilever reinforcement connection, the stability that the inverted arch steel floats the mould when promoting the construction. The utility model discloses simple structure, low in manufacturing cost, the installation is used swiftly, uses manpower sparingly and application scope extensively. The utility model discloses mainly use in the aspect of tunnel invert floating die construction equipment.
Description
Technical Field
The utility model relates to a tunnel construction technical field, more specifically relate to a tunnel cantilever type inverted arch floats mould construction rack.
Background
According to the standard requirements, a layered pouring process is required to be adopted for ensuring the inverted arch and the filling of the structure stress safety tunnel. At present, two construction methods are generally adopted in tunnel construction, one method adopts a combined steel formwork as a floating formwork to realize inverted arch and filling layered pouring, the method is simple in structure, but installation and dismantling are very inconvenient, manpower is needed, construction cost is high, the method is most applied at present, the formwork is generally a light formwork, deformation is large, and the structural size is not accurate. The other type is an integral rigid formwork, the pouring method is started in recent years, the pouring method is mainly matched with a large inverted arch movable trestle, the manufacturing cost is high, the technology is not mature, the construction environment requirement is strict, the pouring method is mainly applied to large and large tunnels, and the application range is narrow. This patent uses the cantilever rack as the carrier, adopts whole template construction technique, realizes that the template is installed fast, is demolishd, accurate counterpoint, and application scope is wide, and the cost is low, required manual work is few, has certain innovation point.
SUMMERY OF THE UTILITY MODEL
In order to overcome exist not enough among the prior art, the utility model provides a tunnel cantilever type invert floats mould construction rack, this construction rack can realize the invert and fill the layering and pour to reduce workman intensity of labour, construction cost, improve the construction progress.
In order to solve the technical problem, the utility model discloses the technical scheme who takes does:
the utility model provides a tunnel cantilever type inverted arch floats mould construction rack, includes cantilever rack, hangs positioner, inverted arch steel and floats mould and reinforcing apparatus, the cantilever rack includes cantilever and walking rack, it connects with the cantilever through the activity hinge to hang positioner, inverted arch steel floats the mould and connects with hanging positioner through the activity hinge, inverted arch steel floats the mould and consolidates the hookup through reinforcing apparatus and cantilever.
The walking rack comprises a fixing frame, a walking trolley, a rail and sleepers, wherein the rail is arranged above the sleepers which are uniformly laid, the walking trolley is arranged at the bottom of the fixing frame, and the walking rack walks on the rail through the walking trolley.
The suspension positioning device comprises a pull rod, a horizontal hydraulic adjusting rod, a connecting rod and a suspension rod, one end of the pull rod is hinged to the cantilever, the other end of the pull rod is connected with the connecting rod through a sleeve, one end of the horizontal hydraulic adjusting rod is hinged to the cantilever, the other end of the horizontal hydraulic adjusting rod is connected with the connecting rod through the sleeve, one end of the suspension rod is hinged to the inverted arch steel floating die, and the other end of the suspension rod is connected with the connecting rod through the sleeve.
The inverted arch steel floating die is integrally processed by large steel blocks, a plurality of rows of hinge lugs are arranged on a rib plate of the template, and a chain block is arranged between the cantilever and the lower end of the inverted arch steel floating die and connected with the cantilever.
The reinforcing device comprises an upper reinforcing rod and a lower reinforcing rod, the number of the upper reinforcing rod is two, and the number of the lower reinforcing rod is three.
The suspension rod is composed of a sleeve with an inner wire and a lead screw with an outer wire, and stretching and retracting are achieved through rotation.
The upper reinforcing rod and the lower reinforcing rod are composed of a sleeve with an inner wire and a screw rod with an outer wire, and the extension and contraction of the reinforcing rods are realized through rotation.
Compared with the prior art, the utility model discloses the beneficial effect who has does:
the utility model provides a tunnel cantilever type invert floats mould construction rack has simple structure, and processing low in manufacturing cost, the installation use is quick, convenient, and the template location is accurate, quick, needs workman small in quantity, and the range of application is wide, is suitable for various geology, various construction environment, can greatly reduce the construction cost under the present construction technology.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention.
In the figure: the device comprises a cantilever platform 1, a cantilever 11, a walking platform 12, a fixed frame 121, a walking trolley 122, a track 123, a sleeper 124, a suspension positioning device 2, a pull rod 21, a horizontal hydraulic adjusting rod 22, a connecting rod 23, a suspension rod 24, an inverted chain 25, an inverted arch steel floating die 3, a reinforcing device 4, an upper reinforcing rod 41 and a lower reinforcing rod 42.
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. 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.
As shown in fig. 1 and 2, the tunnel cantilever type inverted arch floating formwork construction rack is characterized in that: including cantilever rack 1, hang positioner 2, inverted arch steel floats mould 3 and reinforcing apparatus 4, cantilever rack 1 includes cantilever 11 and walking rack 12, hang positioner 2 and pass through activity hinge and 11 hookups of cantilever, inverted arch steel floats mould 3 and passes through activity hinge and hang positioner 2 hookups, through the regulation to hanging positioner 2, can control the position change that inverted arch steel floats mould 3, inverted arch steel floats mould 3 and passes through reinforcing apparatus 4 and 11 reinforced connection of cantilever, the stability that the inverted arch steel floats mould 3 when promoting the construction.
Preferably, the traveling gantry 12 includes a fixed frame 121, a traveling trolley 122, a rail 123 and sleepers 124, the rail 123 is disposed above the sleepers 124 which are uniformly laid, the traveling trolley 122 is installed at the bottom of the fixed frame 121, the traveling gantry 12 can travel forward and backward on the rail 123 through the traveling trolley 122, and the traveling trolley 12 is driven by a motor.
Preferably, the suspension positioning device 2 comprises a pull rod 21, a horizontal hydraulic adjusting rod 22, a connecting rod 23 and a suspension rod 24, one end of the pull rod 21 is hinged with the cantilever 11, the other end of the pull rod is connected with the connecting rod 23 through a sleeve, and the connecting rod 23 can rotate in the sleeve; one end of a horizontal hydraulic adjusting rod 22 is hinged with the cantilever 11, the other end of the horizontal hydraulic adjusting rod is connected with a connecting rod 23 through a sleeve, and the connecting rod 23 can rotate in the sleeve; one end of a suspension rod 24 is hinged with the inverted arch steel floating die 3, the other end of the suspension rod is connected with a connecting rod 23 through a sleeve, and the connecting rod 23 can rotate in the sleeve; the horizontal positioning of the inverted arch steel floating die 3 is realized through the expansion and contraction of the horizontal hydraulic adjusting rod 22, and the vertical positioning of the inverted arch integral steel floating die 7 is realized through the expansion and contraction of the suspension rod 24.
Preferably, inverted arch steel floats mould 3 and adopts bold steel integral machining, relates to on the template floor to arrange multirow hinge ear, and cantilever 11 and inverted arch steel are floated and are provided with the inverted chain 25 between the mould 3 lower extreme and be connected, when demolising inverted arch steel and float mould 3, 3 lower extremes of inverted arch steel floats mould adopt the inverted chain 25 to promote, and the upper end promotes through suspension rod 24, advances, retreats at track 123 through walking dolly 122 after promoting the completion, moves to the part of treating the construction.
Preferably, the reinforcing device 4 comprises an upper reinforcing rod 41 and a lower reinforcing rod 42, two upper reinforcing rods 41 are arranged on one side of the inverted arch steel floating die 3, three lower reinforcing rods 42 are arranged on one side of the inverted arch steel floating die 3, and the two reinforcing rods are arranged alternately.
Preferably, the suspension rod 24 is composed of a sleeve with an inner wire and a screw rod with an outer wire, and the extension and contraction are realized through rotation.
Preferably, the upper and lower reinforcing rods 41 and 42 are composed of a sleeve with an inner wire and a screw rod with an outer wire, and are rotated to achieve the expansion and contraction of the reinforcing rods.
The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.
Claims (7)
1. The utility model provides a tunnel cantilever type inverted arch floating formwork construction rack which characterized in that: including cantilever rack (1), hang positioner (2), inverted arch steel superficial mould (3) and reinforcing apparatus (4), cantilever rack (1) is including cantilever (11) and walking rack (12), hang positioner (2) and couple through activity hinge and cantilever (11), inverted arch steel floats mould (3) and couples through activity hinge and hangs positioner (2), inverted arch steel floats mould (3) and reinforces the hookup through reinforcing apparatus (4) and cantilever (11).
2. The tunnel cantilever type inverted arch floating formwork construction rack of claim 1, wherein: the walking rack (12) comprises a fixing frame (121), a walking trolley (122), a rail (123) and sleepers (124), wherein the rail (123) is arranged above the sleepers (124) which are uniformly laid, the walking trolley (122) is arranged at the bottom of the fixing frame (121), and the walking rack (12) walks on the rail (123) through the walking trolley (122).
3. The tunnel cantilever type inverted arch floating formwork construction rack of claim 1, wherein: hang positioner (2) and include pull rod (21), horizontal hydraulic pressure adjusting lever (22), connecting rod (23) and suspend pole (24) in midair, pull rod (21) one end is articulated with cantilever (11), and the other end passes through the sleeve and links with connecting rod (23), horizontal hydraulic pressure adjusting lever (22) one end is articulated with cantilever (11), and the other end passes through the sleeve and links with connecting rod (23), it floats mould (3) articulated with the inverted arch steel to hang jib (24) one end, and the other end passes through the sleeve and links with connecting rod (23).
4. The tunnel cantilever type inverted arch floating formwork construction rack of claim 1, wherein: the inverted arch steel floating die (3) is integrally processed by large steel blocks, a plurality of rows of hinge lugs are arranged on a rib plate of the template, and a chain block (25) is arranged between the cantilever (11) and the lower end of the inverted arch steel floating die (3) for connection.
5. The tunnel cantilever type inverted arch floating formwork construction rack of claim 1, wherein: the reinforcing device (4) comprises an upper reinforcing rod (41) and a lower reinforcing rod (42), two reinforcing rods (41) are arranged on the inverted arch steel floating die (3) on one side, and three reinforcing rods (42) are arranged on the inverted arch steel floating die (3) on one side.
6. The tunnel cantilever type inverted arch floating formwork construction rack of claim 3, wherein: the suspension rod (24) is composed of a sleeve with an inner wire and a screw rod with an outer wire, and stretching and retracting are achieved through rotation.
7. The tunnel cantilever type inverted arch floating formwork construction rack of claim 5, wherein: the upper reinforcing rod (41) and the lower reinforcing rod (42) are composed of a sleeve with an inner wire and a screw rod with an outer wire, and the extension and contraction of the reinforcing rods are realized through rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921209168.8U CN210888958U (en) | 2019-07-30 | 2019-07-30 | Tunnel cantilever type inverted arch floating formwork construction rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921209168.8U CN210888958U (en) | 2019-07-30 | 2019-07-30 | Tunnel cantilever type inverted arch floating formwork construction rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210888958U true CN210888958U (en) | 2020-06-30 |
Family
ID=71313811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921209168.8U Expired - Fee Related CN210888958U (en) | 2019-07-30 | 2019-07-30 | Tunnel cantilever type inverted arch floating formwork construction rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210888958U (en) |
-
2019
- 2019-07-30 CN CN201921209168.8U patent/CN210888958U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |