CN210313183U - Truss tower and contain its strideing across construction protective equipment - Google Patents
Truss tower and contain its strideing across construction protective equipment Download PDFInfo
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- CN210313183U CN210313183U CN201920675399.1U CN201920675399U CN210313183U CN 210313183 U CN210313183 U CN 210313183U CN 201920675399 U CN201920675399 U CN 201920675399U CN 210313183 U CN210313183 U CN 210313183U
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Abstract
The utility model discloses a truss tower, including the bed frame, the top and the bottom of bed frame are provided with connecting portion and lower connecting portion respectively, and truss portion before the front portion of bed frame is provided with, and the rear portion is provided with back truss portion, and preceding truss portion is located the lower part of bed frame, and back truss portion is located the upper portion of bed frame, the utility model provides a truss tower can need not to install the counter weight additional fast in current most service environment, and simple structure is practical, easily makes and uses. The utility model also provides a stride across construction protective apparatus, including the base and the body frame body of setting on the base, the body frame body is including according to the preface pin joint main tower, crossbeam and vice tower together, and main tower is foretell truss tower, and main tower is established on the base through the lower connecting portion pivot of its bottom, and the crossbeam pivot is established on the last connecting portion at main tower top and is located the front side of main tower, the utility model provides a stride across construction protective apparatus also need not to install the balancing weight in addition in using, and simple structure is reliable, easily makes and uses.
Description
Technical Field
The utility model relates to a truss tower and a stride across construction protective apparatus.
Background
The truss structure has excellent bending resistance and shearing resistance, and is widely applied to engineering equipment such as house engineering, bridge engineering, cranes and the like. In construction equipment such as cranes, a truss tower is often used as a main tower, which usually adopts a standard column truss structure, the rear end of the bottom of the main tower is usually installed on a base, the top end of the main tower is installed with beams such as a cross beam extending to the front of the main tower and corresponding working devices, and the beams are usually installed at the front end of the main tower, in the case of large-scale construction equipment, the weight of the beam and the working device is large, and the beam and the working device are subjected to the gravity of a hanging object or the reaction force of a pulling object during the working process, this results in the main tower being subjected to large lateral forces and moments, which make the main tower susceptible to bending or to toppling of the work apparatus, which, in the case of existing work apparatuses of this type, often need install in addition on the main tower and be located the counter weight structure of crossbeam offside in order to balance the atress of main tower to a certain extent, use comparatively complicated and inconvenient.
The spanning construction protection equipment has wide application in engineering operation, for example, when the electric equipment above trains, roads and the like is constructed, the spanning construction protection equipment can be used for spanning above the trains, the roads and the like to provide an operation platform or be used for protection, the influence on the traffic of the trains, the roads and the like is avoided, when the engineering operation is carried out at complex terrains, rivers and the like, the spanning construction protection equipment can also be used for spanning terrains, the spanning construction protection equipment or similar engineering equipment usually comprises a base and a main frame body arranged on the base, the main frame body usually comprises a main tower, a cross beam and an auxiliary tower, the length and the weight of the cross beam and the auxiliary tower are larger, the main tower can be subjected to larger transverse action force and moment in the expanding and retracting process, and the main tower of the existing spanning construction protection equipment usually adopts a standard cylindrical truss structure, therefore, the bending resistance and the shearing resistance of the main tower need to be improved by adopting a material with higher strength, or a balancing weight needs to be additionally arranged, so that the equipment cost and the equipment volume can be increased, and the operation is more complex and inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a simple structure practicality, easily make and the truss tower who uses.
In order to achieve the above purpose, the utility model provides a technical scheme is:
the utility model provides a truss tower, includes the bed frame, the top and the bottom of bed frame are provided with connecting portion and lower connecting portion respectively, and the front portion of bed frame is provided with preceding truss portion, and the rear portion is provided with back truss portion, preceding truss portion be located the lower part of bed frame, back truss portion is located the upper portion of bed frame.
Preferably, the upper portion of the front truss portion has a first overlapping section, and the lower portion of the rear truss portion has a second overlapping section, the first and second overlapping sections being aligned front to back.
Preferably, the length of the first overlapping section is 1/3 to 1/2 of the total length of the front truss part; the length of the second overlapping section is 1/3-1/2 of the total length of the rear truss part.
Preferably, the bottom end of the front truss section is adjacent to the bottom end of the base frame, and the top end of the rear truss section is adjacent to the top end of the base frame.
Preferably, the length of the front truss portion is 1/2 to 3/4 of the total length of the base frame.
The utility model also provides a simple structure is reliable, and the strideing across construction protective equipment that easily makes the use, including the base and the body frame body of setting on the base, the body frame body including according to the preface pin joint main tower, crossbeam and vice tower together, main tower be foretell truss tower, main tower is established on the base through the lower connecting portion pivot of its bottom, the crossbeam pivot establish on the last connecting portion of main tower and be located the front side of main tower.
Preferably, the base or the main tower is provided with a first driving device for driving the main tower to swing relative to the base for folding or unfolding, the main tower or the cross beam is provided with a second driving device for driving the cross beam to swing relative to the main tower for folding or unfolding, and the cross beam or the auxiliary tower is provided with a third driving device for driving the auxiliary tower to swing relative to the cross beam for folding or unfolding.
Preferably, the cross beam is telescopic, and a fourth driving device for driving the cross beam to stretch and retract is arranged on the cross beam; the auxiliary tower is telescopic, and a fifth driving device for driving the auxiliary tower to stretch is arranged on the auxiliary tower.
Preferably, the device also comprises a transport vehicle, and the base is arranged on the transport vehicle.
Preferably, the base is placed on the transport vehicle, and a support device is arranged on the base and can support the base and the main frame body on a support surface and lift the base and the main frame body off the transport vehicle.
The utility model has the advantages that: the utility model provides a truss tower has set up upper junction portion and lower junction portion respectively at the top and the bottom of body frame body, has set up the back truss portion in the upper portion of body frame body rear portion simultaneously, has set up the front truss portion in the lower part of body frame body front portion, compare traditional column truss tower, can move the focus of this truss tower backward when guaranteeing this truss tower structural strength, the upper junction portion also can keep aligning with the lower junction portion and avoid the upper junction portion to lean forward, can effectively improve the mechanical properties of this truss tower from this, can need not to install additional counter weight fast in most service environment now, simple structure is practical, easy to make and use; the utility model provides an its main tower of strideing construction protective equipment, crossbeam and auxiliary tower can swing to close and receive to expand in order to form the crossing support in order to supply transportation or swing, can conveniently use in order to protect or be used for strideing across barriers etc. in peripheral engineering operations such as railway, road, its main tower is owing to adopted the utility model provides a truss tower has good mechanical properties, need not to install additional the balancing weight in the use, and simple structure is reliable, easily makes and uses.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a block diagram of a preferred embodiment of a mid-truss tower of the present invention;
FIG. 2 is a block diagram of a preferred embodiment of the present invention;
FIG. 3 is a diagram of the preferred embodiment of the span construction protective equipment of the present invention in a state of use with the transport vehicle removed;
fig. 4 is a partially enlarged view of a portion a of fig. 3;
fig. 5 is a schematic diagram of the usage state of the preferred embodiment of the spanning construction protection device of the present invention.
Detailed Description
Referring to fig. 1, the present invention provides a truss tower, including a base frame 11, a top portion and a bottom portion of the base frame 11 are respectively provided with an upper connecting portion 12 and a lower connecting portion 13, a front portion of the base frame 11 is provided with a front truss portion 14, a rear portion is provided with a rear truss portion 15, the front truss portion 14 is located at a lower portion of the base frame 11, and the rear truss portion 15 is located at an upper portion of the base frame 11. The utility model provides a truss tower will go up connecting portion 12 and lower connecting portion 13 and set up respectively the top and the bottom at the body frame body, truss portion 15 has set up the upper portion at body frame body rear portion after with back simultaneously, truss portion 14 has set up the lower part at the body frame body front portion before with, compare in traditional column truss tower, can shift back the focus of this truss tower when guaranteeing this truss tower structural strength, it also can keep aliging and avoiding going up connecting portion 12 and leaning forward with lower connecting portion 13 to go up connecting portion 12, can effectively improve the mechanical properties of this truss tower, it is fast to need not to install the counter weight additional in current most service environment, moreover, the steam generator is simple in structure and practical, easily manufacture and use.
In this embodiment, the truss tower is substantially in a vertical "Z" shape, and the front truss portion 14 and the rear truss portion 15 are both in a generally rectangular structure, but in practical applications, the front truss portion 14 and the rear truss portion 15 may also be in other suitable truss shapes and truss structures such as a fan shape and a triangle shape, but are not limited thereto.
The truss tower can be used as a main bearing structure of a lifting device, a spanning construction protection device, a bearing tower of a bridge, a building and the like, a stand column and the like, and can also be used as other structures such as a cross beam 23 and the like.
As a preferred embodiment of the middle truss tower of the present invention, it may also have the following additional technical features:
the upper portion of preceding truss portion 14 has first coincidence section, and the lower part of back truss portion 15 has the second coincidence section, and first coincidence section aligns around with the second coincidence section, makes partial effort that preceding truss portion 14 received can transmit back truss portion 15 through first coincidence section and second coincidence section from this, can make full use of preceding truss portion 14 and back truss portion 15 and carry out the dispersion atress, can effectively improve the mechanical properties of this truss tower.
The length of the first overlapping section is 1/3 to 1/2 of the total length of the front truss section 14; the length of the second overlapping section is 1/3-1/2 of the total length of the rear truss part 15, so that the mechanical property of the truss tower is ensured, the weight of the truss tower is not excessively increased, the center of the truss tower can be effectively moved backwards, and the mechanical property of the truss tower is improved.
The bottom of preceding truss portion 14 is close to the bottom of bed frame 11, and the top of back truss portion 15 is close to the top of bed frame 11 for the truss portion can cover bed frame 11 as far as possible, can strengthen this truss tower holistic structural strength as far as, improves this truss tower's mechanical properties.
The length of the front truss portion 14 is 1/2 to 3/4 of the total length of the base frame 11, so that a good balance between the weight and the mechanical properties of the truss tower can be obtained, and in practical applications, the lengths of the front truss portion 14 and the rear truss portion 15 can be flexibly adjusted according to needs, but are not limited thereto.
The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.
Referring to fig. 2 to 4, another aspect of the present invention further provides a spanning construction protection device, which includes a base 21 and a main frame body disposed on the base 21, wherein the main frame body includes a main tower 22, a cross beam 23 and an auxiliary tower 24 pivotally connected together according to a predetermined sequence, the main tower 22 is the truss tower, the main tower 22 is pivotally connected to the base 21 through a lower connecting portion 13 at the bottom of the main tower 22, and the cross beam 23 is pivotally connected to an upper connecting portion 12 at the top of the main tower 22 and located at the front side of the main tower 22. The utility model provides a stride across its main tower 22 of construction protective equipment, crossbeam 23 and auxiliary tower 24 can swing receipts to close and expand in order to form and stride across the support for transportation or swing, and the use that can be convenient is in order to protect in peripheral engineering operations such as railway, road, also can be used for strideing across barriers etc., and its main tower 22 is owing to adopted the utility model provides a truss tower has good mechanical properties, also need not to install the balancing weight additional in the use, and simple structure is reliable, easily makes and uses.
As the utility model discloses in stride across construction protective equipment's preferred embodiment, it still can have following additional technical characterstic:
the base 21 or the main tower 22 is provided with a first driving device 31 for driving the main tower 22 to swing relative to the base 21 for folding or unfolding, the main tower 22 or the cross beam 23 is provided with a second driving device 32 for driving the cross beam 23 to swing relative to the main tower 22 for folding or unfolding, the cross beam 23 or the auxiliary tower 24 is provided with a third driving device 33 for driving the auxiliary tower 24 to swing relative to the cross beam 23 for folding or unfolding, thereby the main frame can be automatically unfolded and folded, and the main tower 22, the cross beam 23 and the auxiliary tower 24 can be respectively and independently unfolded and conveniently, and the operation is more flexible and convenient, and the operation and the use are easy.
In this embodiment, the first driving device 31, the second driving device 32 and the third driving device 33 all adopt a hydraulic cylinder structure, which can provide a larger driving force and is convenient for installation and control, and of course, in practical applications, the first driving device 31, the second driving device 32 and the third driving device 33 may also adopt other common driving structures such as an air cylinder, a motor and the like, but are not limited thereto.
The beam 23 is telescopic, and a fourth driving device 34 for driving the beam 23 to stretch and retract is arranged on the beam 23; the auxiliary tower 24 is retractable, and the fifth driving device 35 for driving the auxiliary tower 24 to retract is disposed on the auxiliary tower 24, so that the retracted volume of the main frame body can be reduced, and transportation and storage are facilitated. The telescopic structure is widely used in the field and will not be described in detail herein.
The embodiment also comprises a transport vehicle 25, and the base 21 is arranged on the transport vehicle 25, so that the transport vehicle can be conveniently moved and transported and is convenient to use.
In this embodiment, the base 21 is placed on the transportation vehicle 25, the supporting device is disposed on the base 21, and the supporting device can support the base 21 and the main frame body on the supporting surface and lift the base 21 and the main frame body off the transportation vehicle 25, so that after the base 21 and the main frame body are supported on the supporting surface such as the ground by using the supporting device, the transportation vehicle 25 can be driven away to perform other work due to the base 21 and the main frame body being lifted off the transportation vehicle 25 by the supporting device, the occupation of the vehicle can be reduced, the waste of resources is reduced, the use is more flexible and convenient, after the operation is completed, the transportation vehicle 25 and the base 21 only need to be aligned, the supporting device can be detached to place the main frame body and the base 21 on the transportation vehicle, and the self-loading and self-unloading can be automatically performed. In this embodiment, the supporting device adopts a plurality of supporting legs 26 which are driven by the sixth driving device 36 and can be lifted, the structure is simple and reliable, and the installation and the use are easy, the supporting legs 26 are arranged on the supporting legs 27, the supporting legs 27 are arranged on the base 21 and driven by the seventh driving device 37 to swing and open and close, the supporting stress surface can be increased, the stability is improved, and the position of the supporting legs 26 can be conveniently adjusted, and the sixth driving device 36 and the seventh driving device 37 can adopt common driving structures such as a hydraulic oil cylinder structure, an air cylinder, a screw rod mechanism driven by a motor and the like. Of course, in practical applications, the supporting device may also be used in other common supporting structures, such as a swinging supporting structure made of the supporting feet 26, and the like, but is not limited thereto.
Referring to fig. 5, the utility model provides a stride across construction protective equipment can use usually in order to avoid influencing the operation of train on the protection of railway, adopts two to stride across construction equipment cooperations to use usually, hangs on the crossbeam 23 of two body framves and establishes protection network 28 for protection network 28 shelters from in order to play the guard action in the railway top.
The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.
The above is only the preferred embodiment of the present invention, as long as the technical solution of the purpose of the present invention is realized by the substantially same means, all belong to the protection scope of the present invention.
Claims (10)
1. A truss tower, comprising: including bed frame (11), the top and the bottom of bed frame (11) are provided with connecting portion (12) and lower connecting portion (13) respectively, and the front portion of bed frame (11) is provided with preceding truss portion (14), and the rear portion is provided with back truss portion (15), preceding truss portion (14) be located the lower part of bed frame (11), back truss portion (15) are located the upper portion of bed frame (11).
2. The truss tower of claim 1 wherein: the upper part of the front truss part (14) is provided with a first overlapping section, the lower part of the rear truss part (15) is provided with a second overlapping section, and the first overlapping section and the second overlapping section are aligned front and back.
3. A truss tower as defined in claim 2 wherein: the length of the first overlapping section is 1/3-1/2 of the total length of the front truss portion (14); the length of the second overlapping section is 1/3-1/2 of the total length of the rear truss section (15).
4. The truss tower of claim 1 wherein: the bottom end of the front truss section (14) is close to the bottom end of the base frame (11), and the top end of the rear truss section (15) is close to the top end of the base frame (11).
5. The truss tower of claim 4 wherein: the length of the front truss portion (14) is 1/2 to 3/4 of the total length of the base frame (11).
6. The utility model provides a stride across construction protective apparatus which characterized in that: the main frame body comprises a base (21) and a main frame body arranged on the base (21), wherein the main frame body comprises a main tower (22), a cross beam (23) and an auxiliary tower (24) which are sequentially pivoted together, the main tower (22) is the truss tower as claimed in any one of claims 1 to 5, the main tower (22) is pivoted on the base (21) through a lower connecting part (13) at the bottom of the main tower, and the cross beam (23) is pivoted on an upper connecting part (12) of the main tower (22) and is positioned on the front side of the main tower (22).
7. A construction spanning protection apparatus according to claim 6, wherein: the base (21) or the main tower (22) is provided with a first driving device (31) for driving the main tower (22) to swing and fold or unfold relative to the base (21), the main tower (22) or the cross beam (23) is provided with a second driving device (32) for driving the cross beam (23) to swing and fold or unfold relative to the main tower (22), and the cross beam (23) or the auxiliary tower (24) is provided with a third driving device (33) for driving the auxiliary tower (24) to swing and fold or unfold relative to the cross beam (23).
8. A construction spanning protection apparatus according to claim 6, wherein: the cross beam (23) is telescopic, and a fourth driving device (34) for driving the cross beam (23) to stretch is arranged on the cross beam (23); the auxiliary tower (24) is telescopic, and a fifth driving device (35) for driving the auxiliary tower (24) to stretch is arranged on the auxiliary tower (24).
9. A construction spanning protection apparatus according to claim 6, wherein: the device also comprises a transport vehicle (25), wherein the base (21) is arranged on the transport vehicle (25).
10. A construction spanning protection apparatus according to claim 9, wherein: the base (21) is placed on the transport vehicle (25), and the support device is arranged on the base (21) and can support the base (21) and the main frame body on a support surface and lift the base (21) and the main frame body off the transport vehicle (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675399.1U CN210313183U (en) | 2019-05-10 | 2019-05-10 | Truss tower and contain its strideing across construction protective equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675399.1U CN210313183U (en) | 2019-05-10 | 2019-05-10 | Truss tower and contain its strideing across construction protective equipment |
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| Publication Number | Publication Date |
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| CN210313183U true CN210313183U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920675399.1U Active CN210313183U (en) | 2019-05-10 | 2019-05-10 | Truss tower and contain its strideing across construction protective equipment |
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| CN (1) | CN210313183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171768A (en) * | 2019-05-10 | 2019-08-27 | 广州西南交大研究院有限公司 | A kind of derrick tower and the crossing construction safeguard containing it |
-
2019
- 2019-05-10 CN CN201920675399.1U patent/CN210313183U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171768A (en) * | 2019-05-10 | 2019-08-27 | 广州西南交大研究院有限公司 | A kind of derrick tower and the crossing construction safeguard containing it |
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