CN210002281U - Temporary supporting device for rigid frame bridge dismantling - Google Patents
Temporary supporting device for rigid frame bridge dismantling Download PDFInfo
- Publication number
- CN210002281U CN210002281U CN201920629692.4U CN201920629692U CN210002281U CN 210002281 U CN210002281 U CN 210002281U CN 201920629692 U CN201920629692 U CN 201920629692U CN 210002281 U CN210002281 U CN 210002281U
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- China
- Prior art keywords
- support plate
- cross arm
- rigid frame
- shaped cross
- frame bridge
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 238000010276 construction Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
temporary supporting device for removing rigid frame bridge relates to supporting devices, wherein an upper support plate (7) is arranged at the end of a ∩ -shaped cross arm (1), a rope saw is arranged on the inner arc surface of the ∩ -shaped cross arm (1), a lower support plate (13) is arranged below the upper support plate (7), and screws (12) with the same number as that of the through holes A (9) are respectively penetrated in the through holes A (9) and the through holes C (14) corresponding to the through holes A (9) and are fixed through nuts (8) screwed at the two ends of the screws (12).
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an kind of strutting arrangement especially relates to kind of rigid frame bridge demolishs and uses interim strutting arrangement.
[ background of the invention ]
With the continuous upgrading of infrastructure, the reconstruction and expansion of bridges become common construction engineering categories. For a rigid frame bridge, a traditional common construction method is to erect a support frame system from the ground upwards, support a bridge structure to be dismantled stably, and then perform cutting and dismantling construction.
However, when a bridge spanning important structures, especially an existing pipeline, a high-voltage power supply line, an expressway, a general railway, a high-speed railway special line and other important structures which cannot be disconnected or a bridge with a high pier is rebuilt and expanded, it is difficult to set up a support frame for temporary support and safety protection due to space limitation or too high height. In the traditional process, a bridge to be dismantled is bound in advance by a crane in the whole dismantling process, a crane boom is lifted, and the original bridge structure is cut off after all the weight is borne. However, the pre-applied force at this moment is difficult to control, huge impact load can be formed, or the excessive force is applied to the bridge section to bounce at the moment of cutting off, or the excessive force is applied to the bridge section to cause sudden falling, so that the crane and the bridge are integrally shaken, the crane is overturned at a heavy moment, people are destroyed, and the safety risk is huge.
[ summary of the invention ]
In order to overcome not enough in the background art, the utility model discloses an kind rigid frame bridges demolish and use interim strutting arrangement, through setting up "∩" shape cross arm between former rigid frame bridge section and the rigid frame bridge section of wanting to be demolishd, end at "∩" shape cross arm sets up the upper bracket board, want to demolish rigid frame bridge lower surface fixed bottom suspension bedplate, on, it is taut fixed with the screw rod between the bottom suspension bedplate, played "∩" shape cross arm interim support and utilize the rope saw cutting when rigid frame bridge cutting is demolishd, prevent to demolish the mesh that rigid frame bridge section dropped.
In order to realize the purpose, the utility model adopts the following technical scheme:
temporary supporting device for dismantling rigid frame bridges comprises a ∩ -shaped cross arm and a lower support plate, wherein an upper support plate is arranged at the end of the ∩ -shaped cross arm, through holes A are respectively formed in two ends of the upper support plate, a rope saw is arranged on the inner arc surface of the ∩ -shaped cross arm, the rope saw comprises an upright post, a rope saw main body and a saw rope, a rotating shaft is arranged at the front end of the rope saw main body, a rotating disc is arranged at the end part of the rotating shaft, the saw rope is sleeved on the rotating disc, a sleeve is arranged at the rear end of the rope saw main body, the upper end of the upright post is fixedly connected with the top of the inner arc surface of the ∩ -shaped cross arm, the sleeve is connected to the upright post in a sliding mode, a return spring is arranged between the rope saw main body and the top of the inner arc surface of the ∩ -shaped cross arm, the lower support plate is arranged below the upper support plate, through holes C are respectively arranged at positions, corresponding to the through holes A, and screw rods, which are the same in number as the through fixing nuts respectively screwed in the through.
The temporary supporting device for dismantling the rigid frame bridge is characterized in that a connecting rod is arranged between the rope saw main machine and the sleeve, and a stop head is arranged at the lower end of the stand column.
The temporary supporting device for dismantling the rigid frame bridge is characterized in that a power line is arranged on the rope saw main machine, a plug is arranged at the end part of the power line, and a control switch is arranged on the power line.
The temporary supporting device for dismantling the rigid frame bridge is provided with a hanging ring at the top of the upper supporting plate.
The temporary supporting device for dismantling the rigid frame bridge is characterized in that a semi-rigid base plate is arranged between an upper support plate and a lower support plate, two ends of the semi-rigid base plate are respectively provided with a through hole B, the through holes B are sleeved on a screw rod between the upper support plate and the lower support plate, and the top surface of the semi-rigid base plate is in contact with the bottom surface of the upper support plate.
The temporary supporting device for dismantling the rigid frame bridge is characterized in that a rigid cushion plate is arranged at the other end of the ∩ -shaped cross arm, and the top surface of the rigid cushion plate is in contact with the bottom surface of the other end of the ∩ -shaped cross arm.
Since the technical scheme is used, the utility model discloses following beneficial effect has:
rigid frame bridge demolish and use interim strutting arrangement, through set up "∩" shape cross arm between former rigid frame bridge section and the rigid frame bridge section of wanting to demolish, set up the upper bracket board at the end of "∩" shape cross arm, want to demolish rigid frame bridge lower surface fixed bottom suspension bedplate, on, with the taut fixed of screw rod between the bottom suspension bedplate, played and supported temporarily and utilize the rope saw cutting at "∩" shape cross arm when rigid frame bridge cutting is demolishd, prevent to want to demolish the purpose that rigid frame bridge section dropped, the utility model has the characteristics of simple structure, practicality are strong, do benefit to the construction, effectively reduce construction cost, have very strong values that push away, market prospect is broad.
[ description of the drawings ]
Fig. 1 is a schematic view of an assembly structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic structural view of the present invention in use.
In the drawing, the steel wire saw comprises a cross arm 1 in a shape of '∩', an upright post 2, a return spring 3, a rope saw main machine 4, a wire saw main machine 5, a rotary table 6, a saw rope 7, an upper support plate 8, a nut 9, a through hole A10, a semi-rigid base plate 11, a through hole B12, a screw rod 13, a lower support plate 14, a through hole C15, a plug 16, a power wire 17, a rigid base plate 18, a lifting ring 19, a sleeve 20, a rotating shaft 21, a connecting rod 22, a stopper 23, a cutting position 24, a steel frame beam section to be dismantled 25, an original steel frame bridge section 26 and a bridge pier.
[ detailed description ] embodiments
The present invention will be explained in more detail by the following examples, which are not intended to limit the invention, and the object of the disclosure is to protect changes and improvements within the scope of the invention;
the temporary support device for rigid frame bridge removal described in connection with fig. 1 or 2 comprises a ∩ -shaped cross arm 1 and a lower support plate 13, an upper support plate 7 is arranged at the end of the ∩ -shaped cross arm 1, through holes a9 are respectively arranged at two ends of the upper support plate 7, a rigid backing plate 17 is arranged at the other end of the ∩ -shaped cross arm 1, the top surface of the rigid backing plate 17 is in contact with the bottom surface of the other end of the ∩ -shaped cross arm 1, a rope saw is arranged on the inner arc surface of the ∩ -shaped cross arm 1, the rope saw comprises a column 2, a rope saw main body 4 and a saw rope 6, a rotating shaft 20 is arranged at the front end of the rope saw main body 4, a rotating disc 5 is arranged at the end of the rotating shaft 20, the saw rope 6 is sleeved on the rotating disc 5, a sleeve 19 is arranged at the rear end of the rope saw main body 4, the upper end of the column 2 and the top surface of the inner arc surface of the ∩ -shaped cross arm 1 are fixedly connected with the sleeve 19, the sleeve 19 is arranged between the upper support plate 2 and the inner arc-shaped cross arm 1 of the lower support plate 2, a semi-perforated nut 16 is arranged at the position corresponding to the lower support plate 2, a through hole of the lower support plate 16, a is arranged between the lower support plate 6, a lower support plate 16, a through hole of the lower support plate, a through hole 16, a through hole is arranged at two ends of the lower support plate 12, a lower support plate 6 is arranged at two ends of a lower support plate 6, a lower support plate 6, a through hole of a lower support plate 6 is arranged at two ends of a through a lower support plate 6, a through hole of a through hole, a lower support plate 6, a through hole of.
Implement rigid frame bridge demolish and use interim strutting arrangement, combine fig. 3, during the use, earlier place "∩" shape cross arm 1 in the top that needs the cutting position, make upper bracket board 7 be located and plan to demolish rigid frame beam section 24 on, "∩" shape cross arm 1's another end is located the former rigid frame bridge section 25 at pier 26 top, fill up half rigid backing plate 10 between upper bracket board 7 and the former rigid frame bridge section 25 at "∩" shape cross arm 1's another end and pier 26 top, fill up rigid backing plate 17 between former rigid frame bridge section 25, it demolishs rigid frame beam section 24 bottom to arrange lower bracket board 13 in the last bracket board 7 below to plan, with upper bracket board 7, half rigid backing plate 10 and lower bracket board 13 pass through screw rod 12 and nut 8 and connect and fix, overlap saw rope 6 in the outside at cutting position 23 and carousel 5, it can utilize the sleeve pipe 19 to move down the lower extreme of stand 2 on the stand 2 to make two sets of tensile rope saw rope 3 and open the tensile rope 6 and control the two sets of the practical hoisting rope to the switch-on the bridge after this time and the cutting position and plan to cut off the two sets up the two sets of the tensile bridge and the cutting spring to the pull switch board and carry out again, it needs the two sets up the pull switch to open the pull rope to carry out the two sets of the pull switch and the pull rope to carry out again and control the pull rope to carry out the pull switch 2 respectively as the practical pull switch 2 respectively, it and cut off the pull switch 2 to open the pull rope 2 to open the pull switch 2 again, the pull switch 2, it is just to open the pull switch and the pull rope 2 again, the pull switch 2 to open the pull rope 2 again, it needs the pull switch to open the pull rope to cut off the pull switch to open the pull switch 2 again.
The part of the utility model not detailed is prior art.
Claims (6)
- The temporary supporting device for dismantling the rigid frame bridge is characterized by comprising a ∩ -shaped cross arm (1) and a lower support plate (13), an upper support plate (7) is arranged at the end of the ∩ -shaped cross arm (1), through holes A (9) are formed in two ends of the upper support plate (7), a rope saw is arranged on the inner arc surface of the ∩ -shaped cross arm (1), the rope saw comprises an upright post (2), a rope saw main body (4) and a saw rope (6), a rotating shaft (20) is arranged at the front end of the rope saw main body (4), a rotating disc (5) is arranged at the end part of the rotating shaft (20), the saw rope (6) is sleeved on the rotating disc (5), a sleeve (19) is arranged at the rear end of the rope saw main body (4), the upper end of the upright post (2) is fixedly connected with the top of the inner arc surface of the ∩ -shaped cross arm (1), the sleeve (19) is slidably connected to the upright post (2), the upper end of the rope saw main body (4) and the inner arc surface of the ∩ -shaped cross arm (1) are fixedly connected with the top of the through holes (14) of the through holes A, the screw rods (14) which are fixedly connected to the screw rods (14) and the screw rods (14) which are arranged at positions corresponding to the through holes (12) which are arranged on the lower support plate (12) and correspond to the through holes (12) which are arranged on the lower support plate (9A) and are respectively.
- 2. The temporary support device for rigid frame bridge demolition as recited in claim 1, wherein: a connecting rod (21) is arranged between the rope saw main body (4) and the sleeve (19), and the lower end of the upright post (2) is provided with a stop head (22).
- 3. The temporary support device for rigid frame bridge demolition as recited in claim 1, wherein: the rope saw main machine (4) is provided with a power line (16), the end part of the power line (16) is provided with a plug (15), and the power line (16) is provided with a control switch.
- 4. The temporary support device for rigid frame bridge demolition as recited in claim 1, wherein: the top of the upper support plate (7) is provided with a hanging ring (18).
- 5. The temporary support device for rigid frame bridge demolition as recited in claim 1, wherein: a semi-rigid base plate (10) is arranged between an upper support plate (7) and a lower support plate (13), two ends of the semi-rigid base plate (10) are respectively provided with a through hole B (11), the through hole B (11) is sleeved on a screw rod (12) between the upper support plate (7) and the lower support plate (13), and the top surface of the semi-rigid base plate (10) is contacted with the bottom surface of the upper support plate (7).
- 6. The temporary supporting device for dismantling the rigid frame bridge as claimed in claim 1, wherein a rigid tie plate (17) is provided at the other end of the ∩ -shaped cross arm (1), and the top surface of the rigid tie plate (17) is in contact with the bottom surface of the other end of the ∩ -shaped cross arm (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920629692.4U CN210002281U (en) | 2019-05-06 | 2019-05-06 | Temporary supporting device for rigid frame bridge dismantling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920629692.4U CN210002281U (en) | 2019-05-06 | 2019-05-06 | Temporary supporting device for rigid frame bridge dismantling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210002281U true CN210002281U (en) | 2020-01-31 |
Family
ID=69305785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920629692.4U Withdrawn - After Issue CN210002281U (en) | 2019-05-06 | 2019-05-06 | Temporary supporting device for rigid frame bridge dismantling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210002281U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106796A (en) * | 2019-05-06 | 2019-08-09 | 中铁七局集团第一工程有限公司 | Supporting apparatus is used in a kind of dismounting of rigid frame bridge |
| CN111441610A (en) * | 2020-06-08 | 2020-07-24 | 赖润肴 | Building auxiliary beam demolishs device |
-
2019
- 2019-05-06 CN CN201920629692.4U patent/CN210002281U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106796A (en) * | 2019-05-06 | 2019-08-09 | 中铁七局集团第一工程有限公司 | Supporting apparatus is used in a kind of dismounting of rigid frame bridge |
| CN110106796B (en) * | 2019-05-06 | 2023-11-07 | 中铁七局集团有限公司 | Temporary supporting device for dismantling rigid frame bridge |
| CN111441610A (en) * | 2020-06-08 | 2020-07-24 | 赖润肴 | Building auxiliary beam demolishs device |
| CN111441610B (en) * | 2020-06-08 | 2021-11-23 | 凤阳县天龙水利建筑工程有限公司 | Building auxiliary beam demolishs device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200131 Effective date of abandoning: 20231107 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200131 Effective date of abandoning: 20231107 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |