CN207673044U - A kind of shift unit of existing building - Google Patents

Abstract

The utility model provides a kind of shift unit of existing building, including the displacement driving mechanism that can be fixed to the bindiny mechanism of existing building bottom and be shifted along direction of displacement to drive connection mechanism, the displacement driving mechanism has two groups, every group of displacement driving mechanism includes babinet, the axis level jack parallel with direction of displacement being fixed in babinet and fixed jack, the extension bar of the level jack is stretched out from the side far from fixed jack of babinet, the extension bar of the fixed jack is stretched out from the downside of babinet, the extension bar of the level jack of two groups of displacement driving mechanisms is oppositely arranged, and level jack and fixed jack are double-action jack.The shift unit can realize continuous displacement and the alternately multi-functionals such as jacking by the cooperation of two groups of displacement driving mechanisms, improve construction efficiency, while the shift unit has the advantages that without track, can rotate and translate in any direction.

Description

A kind of shift unit of existing building

Technical field

The utility model is related to the displacement field of existing building more particularly to a kind of shift units of existing building.

Background technology

Existing building displacement mainly using underpin principle will displacement building underpin to pallet beam, then according to displacement position Construction Large Rail Girder is set, slide device is placed between pallet beam and track girder, finally in the front end of pallet beam or tail portion position Set makes pallet and top-out be slid onto new position along track together using power-equipment application power.This displacement technique needs Large Rail Girder is set in pallet beam lower part, it is also especially high to the flatness requirement of track girder, meanwhile, building displacement can only one A direction translation needs adjustment orbital direction and dismounting power-equipment to readjust pushing tow direction, process ratio if adjustment direction Cumbersome, construction and design cost are relatively high, in addition, usually requiring to take a significant amount of time in building shifting process to pass through installation Steel cushion block supplements the problem of power-equipment pushing tow stroke deficiency, and construction efficiency is relatively low, wastes a large amount of durations.

Utility model content

In view of this, the utility model provides a kind of shift unit of existing building, which is suitable for existing build The displacements fields such as horizontal, climbing, rotation, jacking are built, rail mounted, automatic continuous, any direction rotation displacement can be proceeded without, The displacement that also can be translated and jack simultaneously dual function can improve existing building displacement efficiency.

In order to achieve the above objectives, the utility model mainly provides the following technical solutions：

A kind of shift unit of existing building, including the bindiny mechanism of existing building bottom can be fixed to and to drive The displacement driving mechanism that bindiny mechanism shifts along direction of displacement, which is characterized in that the displacement driving mechanism has two groups, often Group displacement driving mechanism includes babinet, the vertical fixation jack being fixed in babinet and the axis level parallel with direction of displacement The extension bar of jack, the level jack is stretched out from the side far from fixed jack of babinet, the fixed jack Extension bar from the downside of babinet stretch out, the extension bar of the level jack of two groups of displacement driving mechanisms is oppositely arranged, and water Flat jack and fixed jack are double-action jack.

Preferably, the babinet includes placing the horizontal box of level jack and being fixedly connected with horizontal box To place the vertical babinet of fixed jack, the level jack can be fixed in horizontal box up or down.

Preferably, at least upper and lower surface of the horizontal box and vertical babinet is provided with surface stainless steel layer.

Preferably, the level jack is fixed to by spring fixed clamp in babinet, up and down the two of spring fixed clamp Side is respectively provided with spring, and one end of spring is fixed on spring fixed clamp, and the other end is fixed on horizontal box.

Preferably, the spring fixed clamp includes upper geometrical clamp and the lower geometrical clamp that is fixedly connected with upper geometrical clamp, is located at The lower end of the spring of the upside of upper geometrical clamp is fixed on upper geometrical clamp, and upper end is fixed on horizontal box, is located at lower geometrical clamp Downside spring upper end be fixed to lower geometrical clamp on, lower end be fixed to horizontal box on.

Preferably, when being observed along the axis direction of level jack, the left and right two of fixed folder and lower geometrical clamp Side is both provided with the engaging lug being mutually permanently connected, and the engaging lug is stretched out from the horizontal box of respective side, in horizontal box Side wall corresponding with engaging lug on be provided with the slideway moved up and down for engaging lug.

Preferably, the vertical babinet is arranged in one end of the extension bar of the separate level jack of horizontal box, perpendicular Multiple idler wheels are provided on the downside of to babinet.

Preferably, the bindiny mechanism includes the pedestal fixed to existing building bottom, and energy is provided with below pedestal Enough lifting bodies that will be jacked above and below existing building, two groups of displacement driving mechanisms are separately positioned on the edge displacement side on lifting body To front and rear sides.

Preferably, the lifting body includes connecting cylinder and the jack in connecting cylinder is arranged, and the jacking is very heavy The extension bar on top is stretched out from the lower end of connecting cylinder, and the upper end of the connecting cylinder is fixed to the lower section of pedestal, and two groups of displacements are driven The end of the extension bar of the level jack of motivation structure be fixed on connecting cylinder along the front and rear sides of direction of displacement.

Preferably, the lifting body further includes the displacement piston shoes being arranged in the end of the extension bar of jack.

Preferably, the displacement piston shoes are inverted conical collar plate shape structure.

Preferably, the upper and lower surface of the displacement piston shoes is both provided with tetrafluoroethene plate.

Preferably, rotating mechanism, the rotating mechanism and connecting cylinder are set at the position being connect with connecting cylinder on pedestal It is fixedly connected.

Compared with prior art, the utility model has the advantages that：

1) two opposite displacement driving mechanisms are arranged in the shift unit in the shift direction, by two displacement drivings Structure is alternately fixed and controlled level jack flexible and then can realize lasting pulling force and thrust, and then can realize both There is building to continue, continual displacement；

2) shift unit is embedded with the lockhole with fixed jack cooperation on the ground, and the lockhole elements of a fix are inputted Computer control system, based on displacement lockhole coordinate position, computer system control shifts driving mechanism level jack and solid Determine the flexible displacement of jack to fix, realizes the automatic shift of existing building, it is solid without setting for more traditional shifting building position Surely fixed track is shifted, the flow of displacement is simplified, improves the efficiency of displacement；

3) shift unit is also equipped with the lifting body to jack existing building, can realized by lifting body While jacking to existing building, it can also facilitate the installation to other mechanisms or adjustment；

4) horizontal box of displacement driving mechanism can teetertotter in a certain range, can alleviate ground not in this way The smooth influence to level jack brought；

5) mode that idler wheel or piston shoes are contacted with ground can be used to adapt to out-of-flatness as needed in displacement Ground can be shifted especially when ground out-of-flatness in a manner of individually using idler wheel or idler wheel and piston shoes alternate；

6) bindiny mechanism of the shift unit also has the rotating disc for making lifting body and shifting driving mechanism rotation and turns Moving axis can realize any steering displacement of 360 degree of existing building in turn, not only meet linear type displacement, additionally it is possible to meet shaped form Displacement.

The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail It describes in detail bright as after.

Description of the drawings

Fig. 1 is a kind of structure chart of the shift unit of the embodiments of the present invention offer including control system；

Fig. 2 is the structure chart of the bindiny mechanism of the shift unit of the utility model；

Fig. 3 is the structure chart of the lifting body of the shift unit of the utility model；

Fig. 4 is the front view of the displacement driving mechanism of the shift unit of the utility model；

Fig. 5 is the left view of the displacement driving mechanism of the shift unit of the utility model；

Fig. 6 is the upward view of the displacement driving mechanism of the shift unit of the utility model；

Fig. 7 is the front view of the shift unit of the utility model；

Fig. 8 is the signal when fixation jack of the rear side of the shift unit of the utility model is inserted into displacement in lockhole Figure；

Fig. 9 is that the fixation jack of the front side of the shift unit of the utility model is inserted into signal when not shifted in lockhole Figure；

When Figure 10 is that the fixation jack of the front side of the shift unit of the utility model is inserted into completion displacement in lockhole Schematic diagram；

Figure 11 and Figure 12 is the schematic diagram of the shift unit rotary course of the utility model；

Figure 13-Figure 15 is the schematic diagram when shift unit of the utility model jacks existing building.

Specific implementation mode

Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model is taken, Below in conjunction with attached drawing and preferred embodiment, to specific implementation mode, structure, feature and its work(according to the present utility model application Effect is described in detail as after.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same implementation Example.In addition, the special characteristic, structure or feature in one or more embodiments can be combined by any suitable form.

Embodiment one

The present embodiment provides a kind of shift units of existing building, include the bottom with existing building as shown in figures 1-15 The displacement driving mechanism 300 of the bindiny mechanism 100, the movement of drive connection mechanism 100 that are attached and connection bindiny mechanism 100 With the lifting body 200 of displacement driving mechanism 300.

The bindiny mechanism 100 includes pedestal 1, and the side of existing building is provided with ring flange 101 in pedestal 1, Connection bolt 4 is provided on ring flange 101 pedestal 1 to be fixed to the bottom of existing building.

It is rotatably provided the vertically extending rotating disc 2 of axis at the middle part of pedestal 1, is coaxially fixed on rotating disc 2 There are rotation axis 3, the rotation of the rotating disc 2 to be driven by motor, motor is connected with computer control system 17, and then can control The rotation of rotation axis 3 and rotation angle.

The lifting body 200 includes the connecting cylinder 5 that lower end has opening, the interposition on the top of the connecting cylinder 5 It installs and is equipped with notch 501, for the notch 501 to receive the lower end of rotation axis 3, the lower end of rotation axis 3 is fixed to notch The rotation of connecting cylinder 5 can be driven in 501 in turn.

Jack 7 is provided in the connecting cylinder 5, the extension bar of the jack 7 is under connecting cylinder 5 End opening stretches out, and is jacked by the realization of stretching of the extension bar of jack 7.Specifically, in the lower ending opening of connecting cylinder 5 Place is provided with fixed plate 6 jack 7 to be fixed, and the extension bar of jack 7 passes through fixed plate.The top Rise the axis coaxle of the axis and rotation axis 3 of the extension bar of jack 7.

Also, the end set of the extension bar in jack 7 has the displacement piston shoes 8 of collar plate shape, by shifting piston shoes 8 It can increase with the contact area on ground in order to moving on the ground.Specifically, the displacement piston shoes 8 are inverted tapered circle Disk contributes to displacement piston shoes 8 that can cross the ground of out-of-flatness in this way.

It is fixed on the lower surface of pedestal 1, is provided on the pedestal 1 coaxial with rotation axis 3 in order to facilitate connecting cylinder 5 The upper end of the first groove 102 being arranged, the connecting cylinder 5 is inserted into the first groove 102 and is resisted against the first groove 102 Bottom, the rotation axis 3, which can slide up and down to, to be inserted into notch 501, and the rotation axis 3 cannot phase relative to connecting cylinder 5 To rotation, also, when the upper surface of connecting cylinder 5 touches the bottom of the first groove 102, the lower face of the rotation axis 3 is not It is contacted with the bottom of notch 501, the active force that such pedestal 1 is subject to just acts directly on connecting cylinder 5 and rotation axis 3 and rotating disc 2 are not affected by any active force.

In connecting cylinder 5 a displacement driving mechanism 300 is both provided with along the front and rear sides of direction of displacement.The displacement driving Mechanism 300 includes placing the horizontal box 9 of horizontal positioned level jack 12 and being fixed on positioned at the remote of horizontal box 9 The vertical babinet 20 of extension bar side from level jack 12 is provided with extension bar downward in the vertical babinet 20 Fixation jack 13.It is provided with second at the position corresponding with the displacement driving mechanism 300 of respective side of the connecting cylinder 5 The end of groove 201, the extension bar of two level jacks 12 is fixed in corresponding second groove 201, and then is passed through The flexible of the extension bar of level jack 12 can act power to connecting cylinder 5.

The extension bar of the fixed jack 13 can be stretched out from the downside of vertical babinet 20.It is moved to existing building When position, multiple lockholes 22, the distance between described lockhole 22 root are provided in the direction of displacement of existing building on the ground According to the range and displacement route determination of the extension bar of level jack 12.The lockhole 22 is steel sleeve, is embedded in both Have on the ground at building place.

When in use, it is located at the extension bar that one of front and rear sides shift the fixation jack 13 of driving mechanism 300 It is inserted into the lockhole 22 aligned, is initially inserted into lockhole 22 with the extension bar positioned at the fixation jack 13 of rear side and is Example, after the extension bar of the fixation jack 13 of rear side is inserted into lockhole 22, the extension bar of the level jack 12 of rear side It stretches out, since the fixation jack 13 of rear side is fixed in lockhole 22, vertical babinet 20 cannot move backward, therefore, rear side Fixation jack 13 extension bar by push lifting body 200 travel forward, when the extension bar of the level jack 12 of rear side After stretching out certain distance, the fixation jack 13 of front side is aligned another lockhole 22, and the extension bar of the fixation jack 13 of front side is stretched Go out and be inserted into another lockhole 22 and then realize the fixation of the vertical babinet 20 of front side, the stretching of the level jack 12 of front side Bar is shunk, and then lifting body 200 can be pulled to travel forward, during travelling forward, the level jack 12 of rear side Extension bar also synchronous retract is thought to stretch out next time and prepares, pushing away by the displacement driving mechanism 300 of front and rear sides in this way The cooperation of drawing realizes the displacement of existing building.

Since in displacement, ground is usually out-of-flatness, in order to make level jack 12 when applying push-and-pull action power More stablize in the vertical direction, is provided in horizontal box 9 and positioned at the both sides up and down of level jack 12 and is mutually aligned Vertically arranged spring 23, when level jack 12 is by external force, the spring 23 can make level jack 12 big Cause the position for being maintained at the centre of horizontal box 9.Also, the spring 23 is equably arranged in the axial direction of level jack 12 Have multiple rows of, often arranges and be equably provided with multiple springs 23.

Specifically, the spring fixed clamp 11 that level jack 12 is clamped, institute are provided in the outside of level jack 12 It states spring fixed clamp 11 and includes upper geometrical clamp 111 and the lower geometrical clamp 112 being fixedly connected with upper geometrical clamp 111, be located at level thousand The upper end of the spring 23 of 12 upside of jin top is fixed on horizontal box 9, and lower end is fixed on geometrical clamp 111, is located at level thousand The lower end of the spring 23 of 12 downside of jin top is fixed on horizontal box 9, and upper end is fixed in lower geometrical clamp 112.Also, upper solid The both sides of clamp 111 and lower geometrical clamp 112 are both provided with corresponding engaging lug 113, and the engaging lug 113 is from horizontal box 9 It stretches out, the engaging lug 113 of respective side is connected by bolt in the outside of horizontal box 9.In order to avoid engaging lug 113 is with level Jack 12 is interfered when moving up and down with horizontal box 9, on the side corresponding with engaging lug 113 of horizontal box 9 It is provided with slideway 14, the engaging lug 113 can move back and forth in slideway 14.

Above-mentioned all jack are hydraulic jack, and are double-action hydraulic jack, can realize push-and-pull. Specifically, the flexible of the extension bar of above-mentioned jack can be controlled by computer control system.

The downside of vertical babinet 20 is provided with idler wheel 16, the idler wheel 16 can be towards the extension bar of level jack 12 Flexible direction walking, and then when level jack 12 is in push-and-pull, vertical babinet 20 can be followed to walk, play reduction The effect of friction.And when shifting route non-rectilinear, be displaced to need turn round when, computer control system 17 can control Rotating disc 2 and the rotation of rotation axis 3 and then the angle set by the rotation of displacement driving mechanism 300 of the drive of connecting cylinder 5 front and rear sides Degree.

In specifically used, if ground is more smooth, contacted with ground using displacement piston shoes 8, when ground is not smooth enough When so that displacement piston shoes 8 can not walk, the extension bar of jack 7 is retracted at this time, on the ground by the support of idler wheel 16, is moved Position piston shoes 8 leave ground, replace displacement piston shoes 8 to be shifted by idler wheel 16 at this time.

It is described in order to reduce the friction of horizontal box 9 and vertical babinet 20 in displacement between displacement piston shoes 8, pedestal 1 At least upper and lower surface of horizontal box 9 and vertical babinet 20 is equipped with surface stainless steel layer, in the upper surface of displacement piston shoes 8, pedestal 1 Lower surface post tetrafluoroethene plate, friction can be reduced by surface stainless steel layer and tetrafluoroethene plate.Meanwhile it being moved to reduce Friction between position piston shoes 8 and ground also posts tetrafluoroethene plate in the lower surface of displacement piston shoes 8.

The position sensor being connect with 17 signal of computer control system is both provided in the corresponding position of each jack To detect the extension elongation of extension bar, the distance of displacement can be obtained in this way.

Embodiment two

Embodiment specifically comprises the following steps second is that application method for the shift unit in embodiment one：

Step 1：Need to carry out underpinning construction before existing building displacement so that existing building to be placed on pallet, and will support Anchor slab is arranged in the downside of disk；

Step 2：It is smooth to the displacement place progress of existing building, steel plate, the steel plate are laid on the place after smooth For stainless steel plate, to reduce and shift the friction between piston shoes 8；

Step 3：Determine that existing building shifts route according to displacement beginning and end, and most according to level jack 12 Big climb displacement determines 22 position of lockhole, and lockhole 22 is buried in place；The locking hole site laid in place is sat simultaneously In mark input computer control system；

Step 4：More shift units are installed as needed, each shift unit erection sequence is followed successively by bindiny mechanism 100, lifting body 200, displacement driving mechanism 300, and be attached with computer control system 17, the bindiny mechanism 100 Upper end be fixedly connected with anchor slab；

Step 5：Debugging computer control system 17 makes jack 7, level jack 12 and fixed jack 13 In place, existing building is in state to be shifted；

Step 6：Existing building shifts：The extension bar of fixation jack 13 in the displacement driving mechanism 300 of rear side stretches into To in corresponding lockhole 22 the displacement driving mechanism 300 of rear side to be fixed, the 12 pushing tow lifting body of level jack of rear side 200 connecting cylinder 5 is shifted, 12 synchronous push of level jack in the displacement driving mechanism 300 of front side, before at this time The extension bar of the fixation jack 13 of side does not extend out, and the vertical babinet 20 of front side is not fixed, so the vertical babinet of front side 20 under the thrusting action of the level jack 12 of the level jack 12 and front side of rear side, moves forward, as shown in Figure 8；

Step 7：When the extension elongation of the extension bar of the level jack 12 of both sides reaches range, the water of front side Flat jack 12 is aligned one of them and extension bar is extend into the lockhole 23 of alignment after inbuilt lockhole 22, and rear side is consolidated Determine jack 13 to retract from lockhole 22, be stopped, as shown in Figure 9；

Step 8：The level jack 12 of front and back side is shunk simultaneously, since the vertical babinet 20 of front side is fixed jack 13 fix, and the vertical babinet 20 of rear side is not fixed, and the fixation jack 13 of front side can pull jack when shrinking in this way The displacement driving mechanism 300 of structure 200 and rear side moves forward, as shown in Figure 10；

Step 9：After the fixation jack 13 of rear side reaches new lockhole 23, extension bar is inserted into new lockhole 22 In, the extension bar of the fixation jack 13 of front side is retracted from corresponding lockhole 22, then executes above-mentioned steps six until displacement To the position of needs.

As depicted in figs. 11-12, during executing step 6-step 9, if necessary to turn to displacement route When curved, the push-and-pull direction of adjustment displacement driving mechanism 300 is needed at this time.Specific adjustment mode is as follows：Shift unit is divided into A, B Two groups, when being rotated in the ban to B group shift units, the extension bar of the jack 7 of A groups stretches out a distance and will be existing Building jacking certain altitude, the bindiny mechanism 100 of the shift unit of B groups start, and rotating disc 2 and rotation axis 3 rotate and drive top It rises mechanism 200 and shifts the angle that the rotation of driving mechanism 300 needs；Then, the jack 7 of A groups is retracted, the jacking of B groups The extension bar of jack 7 stretches out and by existing building jacking to certain altitude, and the bindiny mechanism 100 of the shift unit of A groups starts, Rotating disc 2 and rotation axis 3 rotate and drive lifting body 200 and shift the angle that the rotation of driving mechanism 300 needs；Adjustment terminates Later, two groups of jacks of A, B are adjusted to same absolute altitude and restore to shift elevation location to original, continue to shift.

During executing step 6-step 9, when there is place out-of-flatness, in displacement, vertical babinet 20 Can be by the upward active force generated due to out-of-flatness, computer control system is capable of the height of the vertical babinet 20 of front and rear sides Difference is spent to control the flexible of jack 7, and after the vertical babinet 20 of side withstands pedestal 1, jack 7 is shunk It is not contacted to piston shoes with ground, utilizes 16 movable building of idler wheel；After removing out-of-flatness place, the extension bar of jack 7 Displacement piston shoes 8 are released and arrive use state.

As illustrated in figs. 13-15, after the completion of displacement, if necessary to be jacked to existing building, such as lower section can be passed through Formula：Fixed jack 13 is staggered with lockhole 22 first by way of above-mentioned turning, then by the stretching of fixed jack 13 Bar stretching is jacked, and jack 7 is retracted at this time, when the fixed jacking of jack 13 is to certain altitude, in displacement piston shoes 8 Lower section place steel pad 24, the extension bar of fixed jack 13 stretches out and jacks existing building, when the jacking of fixation jack 13 When load is zero, fixed jack 13 is retracted, when jack 7 reaches range, in the lower section of fixed jack 13 Steel pad 24 is placed, the height of building can be jacked by back and forth placing steel pad 24 in this way.Specifically, place steel pad 24 number according to tool Body needs the height promoted.The process of above-mentioned jacking can also be used alone after above-mentioned steps nine, only be built to existing The height built is adjusted.

To sum up, it will be readily appreciated by those skilled in the art that under the premise of not conflicting, above-mentioned each advantageous manner can be certainly It combined, be superimposed by ground.

The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model Limitation, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, It is still within the scope of the technical solutions of the present invention.

Claims (13)

1. a kind of shift unit of existing building, including the bindiny mechanism of existing building bottom can be fixed to and to the company of driving The displacement driving mechanism that connection mechanism is shifted along direction of displacement, which is characterized in that the displacement driving mechanism has two groups, every group Displacement driving mechanism includes babinet, the vertical fixation jack being fixed in babinet and the axis level thousand parallel with direction of displacement The extension bar on jin top, the level jack is stretched out from the side far from fixed jack of babinet, the fixed jack Extension bar is stretched out from the downside of babinet, and the extension bar of the level jack of two groups of displacement driving mechanisms is oppositely arranged, and horizontal Jack and fixed jack are double-action jack.

2. a kind of shift unit of existing building according to claim 1, which is characterized in that the babinet includes putting Set the horizontal box of level jack and be fixedly connected with horizontal box to place the vertical babinet of fixed jack, it is described Level jack can be fixed in horizontal box up or down.

3. a kind of shift unit of existing building according to claim 2, which is characterized in that the horizontal box and vertical At least upper and lower surface of babinet is provided with surface stainless steel layer.

4. a kind of shift unit of existing building according to claim 2, which is characterized in that the level jack passes through Spring fixed clamp is fixed in babinet, is respectively provided with spring in the both sides up and down of spring fixed clamp, one end of spring is fixed to spring On geometrical clamp, the other end is fixed on horizontal box.

5. a kind of shift unit of existing building according to claim 4, which is characterized in that the spring fixed clamp includes Upper geometrical clamp and the lower geometrical clamp being fixedly connected with upper geometrical clamp are located at the lower end of the spring of the upside of upper geometrical clamp fixed to upper On geometrical clamp, upper end is fixed on horizontal box, and the upper end for being located at the spring of the downside of lower geometrical clamp is fixed on lower geometrical clamp, Lower end is fixed on horizontal box.

6. a kind of shift unit of existing building according to claim 5, which is characterized in that along the axis of level jack When line direction is observed, the engaging lug being mutually permanently connected, institute are both provided at left and right sides of fixed folder and lower geometrical clamp It states engaging lug to stretch out from the horizontal box of respective side, be provided on horizontal box side wall corresponding with engaging lug for connection The slideway that ear moves up and down.

7. a kind of shift unit of existing building according to claim 6, which is characterized in that the vertical babinet setting exists One end of the extension bar of the separate level jack of horizontal box, is provided with multiple idler wheels on the downside of vertical babinet.

8. according to a kind of shift unit of existing building of claim 1-7 any one of them, which is characterized in that the connection machine Structure includes the pedestal fixed to existing building bottom, and the jacking that can will be jacked above and below existing building is provided with below pedestal Mechanism, two groups of displacement driving mechanisms be separately positioned on lifting body along the front and rear sides of direction of displacement.

9. a kind of shift unit of existing building according to claim 8, which is characterized in that the lifting body includes connecting Connect cylinder and the jack in connecting cylinder is set, the extension bar of the jack is stretched out from the lower end of connecting cylinder, described The upper end of connecting cylinder is fixed to the lower section of pedestal, and the end of the extension bar of the level jack of two groups of displacement driving mechanisms is solid Be scheduled on connecting cylinder along the front and rear sides of direction of displacement.

10. a kind of shift unit of existing building according to claim 9, which is characterized in that the lifting body also wraps Include the displacement piston shoes being arranged in the end of the extension bar of jack.

11. a kind of shift unit of existing building according to claim 10, which is characterized in that the displacement piston shoes are to fall The conical collar plate shape structure set.

12. a kind of shift unit of existing building according to claim 10, which is characterized in that the displacement piston shoes Upper and lower surface is both provided with tetrafluoroethene plate.

13. a kind of shift unit of existing building according to claim 9, which is characterized in that on pedestal with connecting cylinder Rotating mechanism is set at the position of connection, and the rotating mechanism is fixedly connected with connecting cylinder.