CN216918378U - Movable truss - Google Patents

Abstract

The application provides a remove truss relates to power station construction technical field. A mobile truss comprising: the frame body encloses an accommodating space, and the bottom of the frame body is provided with an opening communicated with the accommodating space; the track is connected with the top of the accommodating space, which deviates from the ground, the lifting appliance is connected with the track, and the lifting appliance is used for lifting objects; the two ends of the accommodating space in the length direction of the track are both provided with openings; the moving part is arranged at the bottom of the frame body and is driven by a driving motor. The problem of among the prior art, because of the crane davit is longer, in order to keep live working's safe distance, need cut off the power supply to the adjacent busbar circuit of the region of being under construction, lead to the area of having a power failure big, and make the loss of transformer substation increase appears, still can avoid constructor to hang the thing operation down, reduced the risk of construction operation.

Description

Movable truss

Technical Field

The application relates to the technical field of power station construction, in particular to a movable truss.

Background

With the continuous expansion of the scale of the power grid, the number of ultrahigh voltage transformer substations is greatly increased. Due to the pressure of the environment and the occupied land, the type selection of the main equipment of the ultrahigh voltage 500kV transformer substation is very important in China. The 500kV ultrahigh voltage switch in China mainly has two categories: gas insulated metal fully enclosed switchgear GIS and conventional open switchgear AIS. GIS has the characteristics of small occupied area, high operation reliability, strong dirt resistance and shock resistance and the like, but the GIS is expensive, difficult to repair in a short time after failure and difficult to expand. AIS is cheaper than GIS, but area is very big and electrified part exposes more, has restricted to use in the narrow and small and adverse environmental conditions's of transformer substation area place. The novel high-voltage switch equipment is equipment between a GIS and an AIS, the foreign language of the novel high-voltage switch equipment is Hybrid Gas Insulated switch gear, short HGIS, the structure of the HGIS is basically the same as that of the GIS, but the HGIS does not include bus equipment. Its advantages are no need of installing bus in SF6 air chamber, and exposed bus bar, clear, simple and compact wiring, convenient installation and maintenance, and high reliability.

In the prior art, when the HGIS is installed in a transformer substation, a crane is needed to hoist the HGIS body, and the accessory of the hoisting accessory is installed after the HGIS body is in place.

Therefore, further solution to the above technical problems is needed.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a movable truss, when a novel high-voltage switchgear is installed, a bus does not need to be powered off, the problem that in the prior art, due to the fact that a crane boom is long, in order to keep the safety distance of live-line operation, a bus line adjacent to a construction area needs to be powered off, the power-off area is large, loss of a transformer substation is increased, operation of constructors under hoisted objects can be avoided, and the risk of construction operation is reduced.

In order to solve the above technical problem, an embodiment of the present application provides the following technical solutions:

the application provides a remove truss includes:

the frame body encloses an accommodating space, and the bottom of the frame body is provided with an opening communicated with the accommodating space;

the track is connected with the top of the accommodating space, which deviates from the ground, the lifting appliance is connected with the track, and the lifting appliance is used for lifting objects;

the two ends of the accommodating space in the length direction of the track are both provided with openings;

the moving part is arranged at the bottom of the frame body and is driven by a driving motor.

The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.

Optionally, the moving truss of the foregoing, wherein the moving part comprises:

the four rollers are arranged at the bottom of the frame body in a matrix arrangement mode;

the two sides of the frame body are respectively a first side and a second side along the length direction, the two idler wheels close to the first side form a first movable wheel set, and the two idler wheels close to the second side form a second movable wheel set.

Optionally, in the moving truss, the rollers in the first moving roller set are all universal wheels;

the rollers in the second moving wheel set are all directional wheels;

and the two directional wheels of the second movable wheel set are respectively connected with the output ends of the two driving motors.

Optionally, in the moving truss, four of the rollers are all directional wheels;

the output ends of the two driving motors are respectively connected with the two directional wheels in the first moving wheel set or the two directional wheels in the second moving wheel set; or the four directional wheels are respectively connected with the output ends of the four driving motors.

Optionally, the aforementioned moving truss, wherein the spreader is a suspended electric hoist.

Optionally, the movable truss is described above, wherein the spreader is a low-clearance electric chain hoist;

wherein, low headroom formula endless chain electric block's removal end with the track is connected, low headroom formula endless chain electric block deviates from the output that removes the end and is used for hoisting the heavy object.

Optionally, in the movable truss, a first positioning portion is disposed on the frame body close to the first movable wheel group;

the universal wheels of the first moving wheel set are provided with second positioning parts;

wherein the first positioning portion and the second positioning portion that are close to each other are fixed by a bolt and a nut.

Optionally, in the movable truss, the limiting parts are disposed at openings at two ends of the accommodating space along the length direction of the track;

wherein, spacing portion with the framework is detachable to be connected.

Optionally, the movable truss further comprises a warning light, wherein the warning light is disposed on an outer side wall of the frame body, which is opposite to the accommodating space.

Optionally, the electric cabinet is connected to the lifting appliance, the driving motor and the warning light;

the electric control box is respectively connected with the remote control equipment and the power supply source.

By the technical scheme, the movable truss at least has the following advantages:

according to the movable truss provided by the embodiment of the utility model, the object to be transported is placed into the accommodating space through the opening at one end of the accommodating space, the object to be transported in the accommodating space is hoisted through the hoisting tool, and the movable part is driven by the driving motor so that the frame transports the object to be transported to a specified place.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present application are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:

fig. 1 schematically illustrates a first perspective structural view of a moving truss;

FIG. 2 schematically illustrates a second perspective structural view of a moving truss;

fig. 3 schematically shows an enlarged schematic view of the structure at a in fig. 1.

The reference numerals in fig. 1-3 are:

1. a frame body; 2. a track; 3. a spreader; 4. a moving part; 41. a directional wheel; 42. a universal wheel; 5. a drive motor; 6. a first positioning portion; 7. a second positioning portion; 8. a limiting part; 9. a warning light; 10. an electric cabinet.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.

As shown in fig. 1 to 2, an embodiment of the present invention provides a mobile truss, including: a frame body 1, a rail 2, a hanger 3, and a moving part 4;

the frame body 1 encloses an accommodating space, and the bottom of the frame body 1 is provided with an opening communicated with the accommodating space;

the track 2 is connected with the top of the accommodating space, which is far away from the ground, the lifting appliance 3 is connected with the track 2, and the lifting appliance 3 is used for lifting objects;

both ends of the accommodating space along the length direction of the track 2 are open;

the moving part 4 is provided at the bottom of the frame 1, and the moving part 4 is driven by a driving motor 5.

Specifically, the frame body 1 plays a supporting role. The accommodating space is used for accommodating the hoisted object. Frame 1 can be the support frame that has the accommodation space through three steel sheet encirclements, can adopt detachable connection or fixed connection between steel sheet and the steel sheet, for example: the steel plates are connected through bolts or welding, the concrete connection mode between the steel plates can be determined according to actual conditions, the steel plates are made of Q235B material, wherein Q235 represents carbon structural steel with a yield point (sigma s) of 235MPa, and B represents semi-killed steel; the frame body 1 can also be a rectangular frame formed by a plurality of steel rods, and a support frame with an accommodating space is formed by the rectangular frame formed by the steel rods, wherein a first frame body 1 is formed by four steel rods, a second frame body 1 is formed by four steel rods, the first frame body 1 is the same as the second frame body 1, the first frame body 1 and the second frame body 1 are arranged at intervals, and the first end of the first frame body 1, which deviates from the ground, and the second end of the first frame body 1 and the second frame body 1 are connected with two steel rods which are arranged at intervals. This application is for the convenience of observing the inside device of accommodation space, preferably with framework 1 adoption through a plurality of steel poles constitution rectangle frame to the support frame that has the accommodation space that encloses through the rectangle frame of constituteing. The steel rod and the steel rod can be detachably connected or fixedly connected, for example: the steel rods are connected through bolts or welding, and the specific connection mode between the steel rods can be determined according to actual conditions. The steel rod is made of Q235B material. The bottom of the frame body 1 is provided with an opening communicated with the accommodating space, and the structural design can be convenient for the frame body 1 to convey the object to be conveyed to a specified place.

It should be noted that the bus bars are generally arranged above the ground in the substation, and the equipment is kept at a safe live working distance from the bus bars in the operating yard. Therefore, through the frame that is located between ground and the generating line that this application provided, can effectively avoid when carrying the object in the scene, because of the crane davit is longer, and occupation space is great during the construction, the crane need be to the problem appearance that the adjacent busbar circuit of construction area has a power failure for keeping live working safe distance when using.

The setting of track 2 is used for supporting hoist 3, makes things convenient for hoist 3 to hoist the object of treating the transport to the realization will be treated the object transport to the effect in appointed place through framework 1. The rail 2 is preferably an I-steel in the present application, and the I-steel is made of Q235B material. The track 2 and the frame 1 can be detachably connected or fixedly connected, for example: the connection is made by bolting or by welding. The hanger 3 and the track 2 can be fixedly connected or can be in sliding connection. The accommodation space is the opening along 2 length direction's of track both ends, and this structural design can be convenient for the frame will treat the object of transport arrange the accommodation space in, treat the object of transport promptly and put into the accommodation space through the one end opening of accommodation space in, make things convenient for hoist 3 to treat the object of transport and hoist to the realization will treat the object transport to the effect in appointed place through framework 1.

The frame is moved by the moving part 4, and an effect that the frame transports an object to be carried is achieved. The moving part 4 may be a roller mechanism or a crawler mechanism. The movable part 4 and the frame may be detachably connected or fixedly connected, and the specific connection mode between the movable part 4 and the frame may be determined according to actual conditions. Driving motor 5 is the power supply, and driving motor 5's output is connected with removal portion 4, and driving motor 5 is through output drive removal portion 4 to drive the frame through removal portion 4 and remove, make things convenient for the frame to treat the object of transport and transport, avoid the manpower to remove the frame, the phenomenon that the appearance is wasted time and energy and work efficiency is low.

According to the movable truss provided by the embodiment of the utility model, an object to be transported is placed into the accommodating space through an opening at one end of the accommodating space, the object to be transported in the accommodating space is hoisted through the hoisting tool 3, and the movable part 4 is driven by the driving motor 5, so that the object to be transported is transported to a specified place by the frame.

Further, in order to improve the stability of the lifting appliance 3 for lifting objects, four chain blocks are arranged at the top of the accommodating space, the four chain blocks are arranged at the top of the accommodating space in a matrix arrangement mode, and the track 2 is located on a central axis of a rectangular plane formed by the four chain blocks.

Specifically, four chain blocks all can be dismantled with the frame and be connected, for example: by bolting or by a cable. On one hand, the four chain blocks can respectively apply four different directions of pulling force to the weight to be carried, which is hoisted by the hoist 3, so that the weight to be carried, which is hoisted by the hoist 3, is kept stable in the carrying process; on the other hand, the heavy objects to be carried, which are hoisted by the lifting appliance 3, can be finely adjusted in different directions respectively, so that the phenomenon that the heavy objects to be carried incline when placed on the ground is avoided. The specific application method of the chain block is known by the skilled person and is not described herein.

As shown in fig. 1-2, in a specific implementation, the moving part 4 includes: the four rollers are arranged at the bottom of the frame body 1 in a matrix arrangement mode; the two sides of the frame body 1 are respectively a first side and a second side along the length direction, two idler wheels close to the first side form a first movable wheel set, and two idler wheels close to the second side form a second movable wheel set.

Specifically, the moving portion 4 in the present application is preferably four rollers, and the rollers may be detachably connected to the driving end of the driving motor 5, or may be fixedly connected to the driving end, for example: the connection is performed by a coupling, by a bolt and by welding. Driving motor 5 drives the gyro wheel through the output to drive the frame through four gyro wheels and remove, make things convenient for the frame to treat the object of transport and transport, avoid the manpower to remove the frame, appear wasting time and energy and the phenomenon that work efficiency is low. In addition, four gyro wheels set up in the bottom of framework 1 with the mode that the matrix was arranged, and this structural design can improve the stability of frame when removing, avoids because of the gyro wheel distributes unevenly, leads to the phenomenon that local atress too big production was emptyd to the frame to appear, and then takes place danger.

As shown in fig. 1-2, in an implementation, the rollers of the first moving wheel set are all universal wheels 42; the rollers in the second moving wheel set are all directional wheels 41; wherein, the two directional wheels 41 of the second moving wheel set are respectively connected with the output ends of the two driving motors 5.

Specifically, in the present application, the roller in the first moving wheel set is preferably a universal wheel 42, and the roller in the second moving wheel set is preferably a directional wheel 41. The universal wheels 42 are used to adjust the direction of movement of the frame. The output end of the driving motor 5 drives the orientation wheel 41, so that the orientation wheel 41 drives the frame body 1 to reciprocate according to the moving track of the orientation wheel 41, and the frame body 1 can be conveniently transported to an object to be transported. The driving motor 5 drives the directional wheel 41 to move, and simultaneously the universal wheel 42 moves along with the movement of the directional wheel 41, thereby realizing the effect of stabilizing the movement of the frame body 1. The universal wheels 42 and the frame 1 may be detachably connected or fixedly connected, for example: the connecting device is connected through bolts, pin shafts and a welding mode. The orientation wheel 41 and the frame 1 may be connected by a detachable connection or a fixed connection, for example: the connection is carried out through bolts, the connection is carried out through pin shafts, the connection and the clamping are carried out through a welding mode.

The two driving motors 5 work independently, when the frame body 1 needs to finely adjust the advancing direction, the driving motor 5 on the side to be steered is adjusted to stop working, meanwhile, the driving motor 5 on the side opposite to the side to be steered is adjusted to work, and the output end of the driving motor 5 on the side opposite to the side to be steered drives the directional wheel 41 connected with the output end of the driving motor 5, so that the effect of finely adjusting the advancing direction by the frame body 1 is achieved. If the frame 1 needs to perform a large adjustment on the traveling direction, the output ends of the two driving motors 5 are controlled to simultaneously operate, so that the output ends of the driving motors 5 can drive the corresponding directional wheels 41 to move, at this time, two operators respectively wrestle the two universal wheels 42 through auxiliary devices, so that the moving direction of the two universal wheels 42 is consistent with the direction to be steered, and thus, the effect of performing a large adjustment on the traveling direction by the frame 1 is achieved. Wherein, the auxiliary device can be a rod device with certain hardness.

It should be noted that, the universal wheel 42 is provided with an annular steering portion, when the frame 1 needs to largely adjust the advancing direction, one end of the rod device is inserted into the center of the annular steering portion, and the inserted end of the rod device is clamped with the steering portion, at this time, the operator applies an external force to the other end opposite to the inserted end of the rod device, so as to deflect the moving direction of the universal wheel 42, even if the moving direction of the deflected universal wheel 42 is consistent with the mode to be adjusted, thereby largely adjusting the advancing direction of the frame 1.

In a specific implementation, four of the rollers are all directional wheels 41; wherein, the output ends of the two driving motors 5 are respectively connected with the two directional wheels 41 in the first moving wheel set or connected with the two directional wheels 41 in the second moving wheel set; or, the four orientation wheels 41 are respectively connected with the output ends of the four driving motors 5.

Specifically, in this application, the rollers in the first movable wheel set and the second movable wheel set are the directional wheel 41, and the directional wheel 41 is driven by the output end of the driving motor 5, so that the directional wheel 41 drives the frame body 1 to perform reciprocating motion according to the moving track of the directional wheel 41, and the frame body 1 is convenient to transport an object to be transported.

The output ends of the two driving motors 5 are respectively connected with the two directional wheels 41 in the first moving wheel set or connected with the two directional wheels 41 in the second moving wheel set; or, the four directional wheels 41 are respectively connected with the output ends of the four driving motors 5, and the structural design can keep the frame stable in the moving process, so that the phenomenon of yawing of the frame in the moving process is avoided, and the use of the device is influenced.

In a specific implementation, the spreader 3 is a suspended electric hoist.

Specifically, the lifting appliance 3 can be a suspended electric hoist, which is also called a suspended micro electric hoist and a suspended hoist, and belongs to one of the micro electric hoists. The suspension type electric hoist has the couple near the one end on ground, can hang on the girder steel, and it is the fixed nothing walking type (can not join in marriage single track dolly promptly) with other electric hoists difference to can't realize walking about on the I-steel. The object to be carried in the accommodating space can be hoisted through the suspension type electric hoist. The connection between the suspension hoist and the track 2 is known to the skilled person and will not be described herein.

In a specific implementation, the lifting appliance 3 is a low-clearance type endless chain electric hoist; wherein, low headroom formula endless chain electric block's removal end with track 2 is connected, low headroom formula endless chain electric block deviates from the output that removes the end and is used for hoisting the heavy object.

In particular, the spreader 3 in the present application is preferably a low-clearance endless chain electric hoist. Low headroom formula endless chain electric block can be through removing the end along track 2's length direction reciprocating motion on track 2 to realize along 2 length direction's of track adjustment when making the frame treat the object of transport hoist, improved the flexibility when the object of device treating transport hoists. The output end of the low clearance type endless chain electric block departing from the moving end is used for hoisting a heavy object. The connection mode between the low clearance type electric chain hoist and the track 2 is known by the skilled person and will not be described herein.

As shown in fig. 1 to 3, in an implementation, a first positioning portion 6 is disposed on the frame 1 near the first moving wheel set; the universal wheels 42 of the first moving wheel set are provided with second positioning parts 7; wherein the first positioning portion 6 and the second positioning portion 7 which are close to each other are fixed by a bolt and a nut.

Specifically, the first positioning portions 6 and the second positioning portions 7 are the same in number and correspond to each other one by one. The first positioning portion 6 and the frame 1 may be detachably connected or fixedly connected, for example: the connection is made by bolting or by welding. The second positioning portion 7 and the universal wheel 42 may be detachably connected, or may be connected in a fixed connection manner, for example: the connection is made by bolting or by welding. The first positioning portion 6 and the second positioning portion 7 may be blocks of any shape.

Two blocks that will be close to each other are fixed through bolt and nut, this structural design, can make framework 1 in the motion process that does not need to carry out the direction adjustment, guarantee that the removal orbit of universal wheel 42 is unanimous with the removal orbit of directive wheel 41, universal wheel 42 moves along the motion orbit of directive wheel 41 promptly, avoid framework 1 because of universal wheel 42 along with the removal of directive wheel 41 in the motion process that does not need to carry out the direction adjustment, lead to the motion orbit of universal wheel 42 and the motion orbit of directive wheel 41 to appear the deviation, and then make the frame in the motion process that does not need to carry out the direction adjustment the phenomenon of yawing appears, thereby the use of device has been influenced. When the frame 1 needs to be adjusted in direction during movement, after the bolts and the nuts on the first positioning portion 6 and the second positioning portion 7 are detached, two operators respectively break the two universal wheels 42 through the auxiliary devices, so that the moving tracks of the two universal wheels 42 are consistent with the direction to be steered, and the effect of adjusting the advancing direction of the frame 1 greatly is achieved.

As shown in fig. 1-2, in a specific implementation, the limiting portion 8 is disposed at openings at two ends of the accommodating space along the length direction of the track 2; wherein, the limiting part 8 is detachably connected with the frame body 1.

Specifically, the limiting part 8 is a rail. The railing is made of Q235B material. The limiting part 8 is connected with the frame body 1 through a bolt. The limiting part 8 has a limiting effect. When the frame body 1 needs to transport an object to be transported, the bolt can be detached to detach the limiting portion 8 located at the opening at one end of the accommodating space, the frame drives the moving portion 4 through the driving motor 5 to move the frame, and the object to be transported enters the accommodating space through the opening at one end of the accommodating space where the limiting portion 8 is detached. When the object to be carried is hoisted by the lifting appliance 3, the disassembled limiting part 8 is reset, so that certain stability can be ensured when the frame moves.

As shown in fig. 1-2, in a specific implementation, the warning light 9 is disposed on an outer side wall of the frame 1 opposite to the accommodating space.

Specifically, the warning lamp 9 functions as a warning. When the device works, the warning lamp 9 lights and makes a sound to warn people in the site that the construction is in progress and irrelevant people do not approach. The arrangement of the warning lamp 9 can improve the safety of the device in use.

In a specific implementation, the electric cabinet 10 is connected with the lifting appliance 3, the driving motor 5 and the warning lamp 9; wherein, the electric cabinet 10 is respectively connected with a remote control device and a power supply.

Specifically, the electric cabinet 10 is used for controlling the lifting appliance 3, the driving motor 5 and the warning lamp 9 to work. The power supply source can provide electric energy for the electric cabinet 10, and the power supply source can also be a generator. The remote control equipment is used for controlling the control lifting appliance 3, the driving motor 5 and the warning lamp 9 by an operator, and can be a mobile terminal or a remote controller. An operator can send an instruction to the electric cabinet 10 through the remote control equipment, and the electric cabinet 10 correspondingly controls the lifting appliance 3, the driving motor 5 and the warning lamp 9 according to the received instruction, so that the construction efficiency is effectively improved, and the construction manpower and the safety facility cost are saved.

It will be appreciated that the relevant features of the devices described above may be referred to one another. In addition, "first", "second", and the like in the above embodiments are for distinguishing the embodiments, and do not represent merits of the embodiments.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A mobile truss, comprising:

the frame body encloses an accommodating space, and the bottom of the frame body is provided with an opening communicated with the accommodating space;

the track is connected with the top of the accommodating space, which deviates from the ground, the lifting appliance is connected with the track, and the lifting appliance is used for lifting objects;

the two ends of the accommodating space in the length direction of the track are both provided with openings;

the moving part is arranged at the bottom of the frame body and is driven by a driving motor.

2. The mobile truss of claim 1 wherein the mobile portion comprises:

the four rollers are arranged at the bottom of the frame body in a matrix arrangement mode;

the two sides of the frame body are respectively a first side and a second side along the length direction, the two idler wheels close to the first side form a first movable wheel set, and the two idler wheels close to the second side form a second movable wheel set.

3. The mobile truss of claim 2,

the rollers in the first moving wheel set are all universal wheels;

the rollers in the second moving wheel set are all directional wheels;

the two directional wheels of the second moving wheel set are respectively connected with the output ends of the two driving motors.

4. The mobile truss of claim 2,

the four rollers are all directional rollers;

the output ends of the two driving motors are respectively connected with the two directional wheels in the first moving wheel set or the two directional wheels in the second moving wheel set; or the four directional wheels are respectively connected with the output ends of the four driving motors.

5. The mobile truss of claim 1,

the lifting appliance is a suspended electric hoist.

6. The mobile truss of claim 1,

the lifting appliance is a low clearance type endless chain electric hoist;

wherein, low headroom formula endless chain electric block's removal end with the track is connected, low headroom formula endless chain electric block deviates from the output that removes the end and is used for hoisting the heavy object.

7. The mobile truss of claim 3,

a first positioning part is arranged on the frame body close to the first moving wheel set;

the universal wheels of the first moving wheel set are provided with second positioning parts;

wherein the first positioning portion and the second positioning portion that are close to each other are fixed by a bolt and a nut.

8. The moving truss of claim 1, further comprising:

the limiting parts are arranged at openings at two ends of the accommodating space along the length direction of the track;

wherein, spacing portion with the framework is detachable to be connected.

9. The mobile truss of claim 1 further comprising:

the warning light, the warning light set up in the framework with the lateral wall that the accommodation space carried on the back mutually.

10. The mobile truss of claim 9 further comprising:

the electric cabinet is connected with the lifting appliance, the driving motor and the warning lamp;

the electric control box is respectively connected with the remote control equipment and the power supply source.

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