CN215890051U - Movable building construction device - Google Patents

Abstract

The utility model relates to a movable building construction device which comprises a chute main body, a sliding support, a sliding rail, a formwork support unit, a connecting rod and a connecting beam. The sliding support can be rotatably arranged in a support ring at the lower end of the chute main body through a connecting rod at the upper end, a support frame unit group consisting of two support frame units can also be rotatably arranged in the support ring through the connecting rod at the upper end, and the chute and a tank car can be synchronously pushed along the sliding rail to complete full-section pouring. The formwork support unit can be flexibly pushed to a working surface needing construction through the travelling wheels, and can be stably supported on a foundation through the supporting legs after being assembled. The I-shaped frame can be used for workers to safely and freely walk and operate under the frame body, the adjacent formwork support units are positioned by the connecting rods in threaded connection, and then are fixed into a whole by the horizontal connecting beams, the inclined connecting beams and the fixing structures, so that the H-shaped frame can be applied and popularized in tunnel and pipe gallery top plate formworks with narrow working surfaces, short construction periods and special positions.

Description

Movable building construction device

Technical Field

The utility model relates to the technical field of movable building construction devices, in particular to a movable building construction device.

Background

The construction process of the existing tunnel generally comprises tunnel excavation and tunneling, tunnel primary support and concrete pouring. The tunnel preliminary bracing generally uses traditional formwork support, but it has the shortcoming that the safety risk is big, inefficiency, consumes a large amount of materials, and long-term lease is expensive, and concrete placement quality is difficult to guarantee. Meanwhile, the stability is lacked before the frame pipes in the traditional support frame are integrally formed, the risk of workers in the process of supporting and removing the frame is very high, and the risk control difficulty of object falling, object striking and the like is higher; the support and disassembly of the frame pipe has high labor content and long duration, and other subentry operations are seriously influenced; the assembling quality of the wood formwork is greatly influenced by the main pipe factors, and the quality requirements of the surface evenness, the front edge line straightness, the adjacent-section slab staggering and the like of the concrete are difficult to guarantee; the turnover utilization rate of materials such as square timber, template is low, and loses easily, impairs, need not constantly to update, and its use cost is higher, and the cost of renting for a long time of parts such as frame pipe, buckle is also very. However, the car pump is generally used for concrete pouring, but the arrangement of the car pump is limited by the site of a construction site, and even if the site conditions are suitable for erecting the car pump, the volume of the concrete which is limited by the width of the excavated foundation trench and is poured at one time is small, and the position is frequently moved to complete the pouring, which also causes the prolonging of the pouring time and the increase of the mechanical cost.

It is known that in the prior art, different devices are required to be used in the preliminary tunnel supporting stage and the concrete pouring stage, but these devices are not suitable for tunnel construction, increase construction cost and prolong construction period, and it is necessary to develop a construction device capable of solving the above-mentioned technical problems in the tunnel and pipe gallery top formwork having a narrow working face, a short construction period and a special position, such as a cable tunnel.

SUMMERY OF THE UTILITY MODEL

The present invention has an object to provide a movable building construction device capable of solving the above-described problems.

In order to achieve the purpose, the movable building construction device adopts the following technical scheme:

a movable building construction device comprises a chute main body, a sliding support, a sliding rail, a formwork support unit, a connecting rod and a connecting beam, wherein the chute main body comprises a sliding cavity for concrete to flow along and a pouring opening located at the rear end, a baffle plate assembly is installed at the rear end of the chute main body and comprises an upper baffle plate fixed above the chute main body and a lower baffle plate with the upper end hinged to the upper end of the chute main body, the size of the lower baffle plate is matched with that of the pouring opening, support rings are installed at two ends of the chute main body, the sliding support comprises a connecting rod at the upper end, an opening for the connecting rod or the connecting rod to be installed in and to be in rotating fit with is formed in the support rings, and the sliding support further comprises a directional wheel at the lower end, and the directional wheel is used for guiding and moving along the sliding rail; the height of the formwork support unit is greater than that of the sliding support, the formwork support unit comprises an I-shaped frame, a jacking support and a moving module, the frame comprises an upper cross beam, a lower cross beam and an upright post fixed between the upper cross beam and the lower cross beam, the jacking support comprises a jacking support pillar, a lifting screw rod and a jacking support plate, the jacking support pillar is fixed above the upper cross beam, the lifting screw rod is installed in the jacking support pillar in a threaded manner, the jacking support plate is circumferentially and rotatably installed at the upper end of the lifting screw rod, the jacking support plate is provided with a through hole, the connecting rod comprises a large-diameter section and a small-diameter section, the size of the small-diameter section is matched with the size of the through hole so as to be inserted into the through hole and rotate in the through hole, the outer diameter of the large-diameter section is greater than the size of the through hole so that a shaft shoulder can be blocked by the hole edge of the through hole, and the end part of the small-diameter section, far away from the large-diameter section, is processed with threads to form a thread section, the inner wall surface of the large-diameter section is provided with a thread surface matched and matched with the thread section, the moving module comprises a walking wheel and a supporting leg, the walking wheel is arranged at the lower end of the moving module, the size of the walking wheel is matched with that of the sliding rail so as to walk along the sliding rail, and the supporting leg comprises a locking state and a supporting state, wherein the locking state is locked so that the formwork supporting unit can walk through the walking wheel, and the supporting leg is put down to be stably supported on a base object so as to avoid the formwork supporting unit from walking through the walking wheel; the connecting beam comprises a horizontal connecting beam and an inclined connecting beam, the horizontal connecting beam is used for fixing the upper cross beam of the two adjacent formwork support units, the inclined connecting beam is used for fixing the stand columns of the two adjacent formwork support units, and the lower cross beam is provided with a fixing structure.

The landing leg includes mount, adjustable shelf, drag hook, preformed hole and round pin axle, mount fixed mounting is in the lower extreme of bottom end rail, the adjustable shelf rotationally installs the lower extreme of mount, the upper end of drag hook is fixed on the bottom end rail, the lower extreme of drag hook is unsettled, the preformed hole is seted up on the adjustable shelf with the drag hook cooperation, the mount with correspond on the adjustable shelf and seted up the confession round pin axle male pinhole.

The upper cross beam is provided with three jacking supports at intervals, and the jacking support in the middle is positioned at the center of the upper cross beam.

The fixing structure comprises a bolt through hole formed in the lower cross beam.

The edge the length direction of bottom end rail the mount is located the outside of walking wheel, the drag hook with the mount is located the both ends of bottom end rail width direction.

The frame comprises reinforcing struts, and the reinforcing struts are arranged between two ends of the upper cross beam and the upper ends of the stand columns and between two ends of the lower cross beam and the lower ends of the stand columns.

The chute main body comprises a plurality of chute units which are sequentially connected end to end, and the adjacent two chute units are connected in an inserting manner and provided with bolts at the inserting connection positions.

The utility model has the following beneficial effects: in the utility model, the support ring is provided with the opening, the connecting rod and the connecting rod can be quickly and conveniently assembled and disassembled, and in the initial stage of concrete pouring, the height difference is formed at the two ends of the chute main body by virtue of the height difference between the bottom of the foundation trench and the edge of the trench so as to pour the initial tunnel section. Along with pouring and propelling, the chute main body can completely enter the base groove, and a formwork support unit group consisting of two formwork support units is used for replacing a sliding support at the front end of the chute main body so as to ensure that the rear end of the chute main body inclines downwards. Both the formwork support unit group and the sliding support can roll along the sliding rail in a guiding way, so that the whole pouring process only needs to push the formwork support unit group and the tank car to move synchronously along the sliding rail, and an automobile pump is not needed.

Meanwhile, the framework of the formwork support unit is I-shaped, so that workers can safely and freely walk and operate under the framework, the difficult problem that construction of a cable tunnel working face is narrow and close to a side slope in engineering is dangerous is effectively solved, and the formwork support unit is particularly suitable for being applied to tunnel and pipe gallery top plate formwork with narrow working face, short construction period and special position.

When the supporting legs in the formwork support unit are in a locking state, the supporting legs can be pushed by the walking wheels to move flexibly, and after the formwork support unit moves to a proper position, the supporting legs are switched to be in a supporting state, so that the formwork support unit can be stably supported on a foundation, and the requirement of formwork erection is met. Use threaded connection's connecting rod earlier between the adjacent formwork unit to fix a position, it is fixed as an organic whole with it through horizontal tie-beam, slope tie-beam and fixed knot structure, not only has good overall stability, is favorable to reducing the construction risk, more is favorable to simplifying construction process, reduction construction period, accelerate the whole progress of engineering, practice thrift circular steel pipe and fastener, reduce the lease expense of relevant material, save the labour, reduce the human cost. Therefore, the method is worth of being applied and popularized in tunnel and pipe gallery top plate formwork with narrow working face, short construction period and special position.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a mobile construction apparatus of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a schematic view of an operational state of a mobile construction device of FIG. 1;

FIG. 5 is a schematic structural view of the formwork support unit of FIG. 1;

FIG. 6 is a schematic structural diagram of a formwork unit group consisting of two formwork units;

FIG. 7 is a schematic view of the mobile construction device of FIG. 1 in another operational configuration;

FIG. 8 is a partial schematic view of the stent system of FIG. 5.

Detailed Description

The embodiment of the movable building construction device of the utility model comprises the following components:

the concrete structure of the movable building construction device of the utility model is shown in fig. 1 to 8, and comprises a chute main body 1, a sliding support 2, a sliding rail 3, a formwork support unit, a connecting rod 7 and a connecting beam 8. Chute main part 1 includes baffle subassembly 11 and a plurality of end to end chute unit 12 of concatenating in proper order, adjacent two plug connection between the chute unit 12 to at plug connection department construction bolt in order to play further fixed effect. A support ring 13 is fixed at the lower end of the chute unit 12, and the rear end of the support ring 13 is provided with an opening.

The sliding support 2 comprises a connecting rod 21 at the upper end, the cross section of the connecting rod 21 is circular, and the shape of the support ring 6 is matched with that of the connecting rod 21 so that the support ring and the connecting rod can rotate relatively. The sliding support 2 further comprises a lower directional wheel 22, and the directional wheel 22 is used for guiding and moving along the sliding rail 3.

The chute unit 12 is square tube shape, baffle subassembly 11 installs the rearmost end of chute main part 1, baffle subassembly 11 is including fixing the last baffle 14 in chute main part 1 top and articulating lower baffle 15 in chute main part 1 upper end, and baffle subassembly 11's effect prevents to pour the in-process along the gliding concrete forward impact of chute main part 1 forward and can not fall in required position department of pouring. After chute body 1 slopes, lower baffle 15 keeps vertical state under the action of gravity, and the pouring mouth lower extreme of chute body 1 rear end nevertheless can incline forward to form decurrent opening between chute body 1 and lower baffle 15, guarantee that the concrete can only flow to required position of pouring by the lower extreme.

Each formwork support unit comprises an I-shaped framework 4, a movable module 5 at the lower end and a top support 6 at the upper end, the I-shaped framework 4 comprises an upper cross beam 41, an upright post 42 and a lower cross beam 43, the upper end of the upright post 42 is fixed in the middle of the upper cross beam 41, the lower end of the upright post 42 is fixed in the middle of the lower cross beam 43, and reinforcing supports 44 are arranged between the two ends of the upper cross beam 41 and the upper end of the upright post 42 and between the two ends of the lower cross beam 43 and the lower end of the upright post 42. The movable module 5 can be used for driving the formwork support unit to move and can also provide lower support after the formwork support unit is positioned. The upper beam 41, the lower beam 43 and the upright post 42 are all provided with bolt through holes. In other embodiments, the reinforcing support may be omitted, but in this case the strength of the formwork unit is slightly reduced; the bolt through holes of the lower cross member 43 may be replaced by other fixing structures such as pin holes and binding grooves.

Three jacking 6 used for adjusting the supporting height are installed above the upper cross beam 41 at intervals, the jacking 6 comprises a jacking pillar 61, a lifting screw 62 and a jacking plate 63, the jacking pillar 61 is fixed by welding or fixed by other modes above the upper cross beam 41, a thread surface is arranged on the inner wall surface of the jacking pillar 61, the lifting screw 62 is installed on the jacking pillar 61 in a threaded manner, and the jacking plate 63 is installed at the upper end of the lifting screw 62 in a circumferential direction in a rotatable manner. When a certain position on the upper cross beam 41 is low, so that the formwork is not stably supported, the lifting screw 62 is rotated and lifted to drive the corresponding top supporting plate 62 to lift, so that the upper end planes of the top supporting plates 62 are coplanar, and the formwork can be stably supported. The top supporting plate 63 is rotatably engaged with the lifting screw 62, so that the lifting screw 62 can be rotated to lift even if the top supporting plate 63 cannot be rotated.

The middle top supporting plate 63 is provided with a through hole 64, the connecting rod 7 comprises a large-diameter section 71 and a small-diameter section 72, the size of the small-diameter section 72 is matched with that of the through hole 64 so as to be inserted into the through hole and can rotate in the through hole, the large-diameter section 71 is of a tubular structure, the outer diameter of the large-diameter section 71 is larger than that of the through hole 64, the end part, far away from the large-diameter section 71, of the small-diameter section 72 is provided with a thread to form a thread section 73, and the inner wall surface of the large-diameter section 71 is provided with a thread surface matched with the thread section 73 in a matching mode. When the chute main body 1 needs to be supported by the formwork support units, the two formwork support units are pushed to proper positions, the connecting rods 7 are correspondingly inserted into the through holes 64 of the two top supporting plates 63 to preliminarily position the two formwork support units, and then the two formwork support units can be fixed together by fixing the horizontal connecting beams 81 at the ends of the two upper cross beams 41 and fixing the inclined connecting beams 82 between the two upright columns 42 in a crossed manner. Finally, the connecting rod 7 is fixed on the two supporting frame units by installing a fixing bolt 74 on the threaded section 73.

Moving module 5 includes walking wheel 51 and landing leg, and the landing leg includes lock-out state and support state, and the landing leg includes mount 52, adjustable shelf 53, drag hook 54, preformed hole 55 and round pin axle 57, mount 52 fixed mounting is at the lower extreme of bottom end rail 43, adjustable shelf 53 passes through the hinge and rotationally installs the below of mount 52, the upper end of drag hook 54 is fixed on bottom end rail 43, and the lower extreme of drag hook 54 is unsettled, preformed hole 55 is seted up on adjustable shelf 53 in order to with drag hook 54 cooperates. The fixed frame 52 and the movable frame 53 are correspondingly provided with pin holes 56 into which pin shafts 57 are inserted.

When in use, the road wheels 51 are locked to enable the road wheels not to move universally any more, and then the supporting legs are switched to a supporting state as follows: the pulling hook 54 is pulled to withdraw from the reserved hole 55, the movable frame 53 is turned downwards under the action of gravity, the fixed frame 52 corresponds to the pin hole 56 on the movable frame 53, the pin shaft 57 is inserted into the pin hole 56, the movable frame 53 can be fixed in a downward state to avoid rotation, and the lower end face of the movable frame 53 is lower than the lower end face of the walking wheel 51 to bear force when the movable frame 53 is in the downward state, so that the support of the formwork support is stable. When the movable frame 53 is locked by the draw hook 54, the lower end of the movable frame is higher than the walking wheel 51 so as not to influence the flexible movement of the formwork supporting unit. The fixed frame 52 and the movable frame 53 are located at the outer side of the walking wheel 51 in the length direction of the lower beam 43, and the draw hook 54 and the fixed frame 52 are located at the two ends of the lower beam 43 in the width direction, so that when the movable frame 53 needs to be locked by the draw hook 54, the movable frame 53 needs to be rotated in the width direction of the lower beam 43, and the horizontal distance between the fixed frame 52 and the walking wheel 51 is reasonably set, so that the fixed frame 52 and the movable frame 53 can be ensured not to interfere the walking wheel 51 to slide along the sliding rail 3. In other embodiments, the draw hook 54 may be located at the outer end of the fixing frame 52 along the length direction of the lower beam 43.

When the method is used in the initial supporting stage of the tunnel, firstly, the formwork support units are pushed into an area to be constructed, then the connecting rods 7 are inserted into the through holes 64 to preliminarily position two adjacent formwork support units in the front and the back, and then the two preliminarily positioned formwork support units are fixed together by using the horizontal connecting beams 81 and the inclined connecting beams 82; after all the formwork support frames are fixed pairwise according to the above mode, the upper end of each formwork support frame unit group extends out of a large-diameter section 71 and a part of a small-diameter section 72, pre-positioning is realized between two adjacent formwork support frame unit groups through the large-diameter section 71 and the small-diameter section 72 which are connected through threads, and then high-strength bolts are correspondingly penetrated on the corresponding upper beam 41 and the corresponding lower beam 43 of the two adjacent formwork support frame unit groups, so that the formwork support frame assembly can be completed; the travelling wheels 51 are locked and the movable frame 53 is put down, so that the formwork support frame can stably stand on the foundation and a formwork can be erected above the formwork support frame for preliminary tunnel support.

When the chute body 1 is used in a concrete pouring stage, the chute body 1 is assembled, one end of the chute body 1 is placed in a foundation groove, the other end of the chute body 1 is placed on a groove edge of the foundation groove, and a height difference is formed at two ends of the chute body 1 by virtue of the height difference between the bottom of the foundation groove and the groove edge so as to pour an initial tunnel section. Along with pouring and advancing, the chute main body 1 can completely enter the base groove, at the moment, the sliding support 2 at the front end is detached from the support ring, the formwork support unit group consisting of the two formwork support units is installed in the support ring 13 through the connecting rod 7, and the rear end of the chute main body 1 is inclined downwards due to the height difference between the front formwork support unit group and the rear sliding support 2 so as to enable concrete to flow. The lifting screw 62 and the top supporting plate 63 which are not provided with the connecting rod 7 on the supporting die frame unit group can be detached from the top supporting pillar 61 to prevent the interference of the downward inclination of the chute main body 1. Both the formwork support unit group and the sliding support 2 can roll along the sliding rail 3 in a guiding way, so that the whole pouring process only needs to push the formwork support unit group and the tank car to move synchronously along the sliding rail 3, and an automobile pump is not needed.

In this embodiment, the upper cross member 4, the upright 42, the lower cross member 43, the horizontal connecting beam 81, and the inclined connecting beam 82 are all made of 80mmx80mmx5mm square steel. In other embodiments, the components may be made from other grades/sizes of steel.

In other embodiments, the number of the top supports arranged on a single formwork support unit can be other, and only through holes 64 for installing the connecting rods 7 need to be formed in the top supports in an adaptive manner.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above embodiments are only for illustrating the technical solutions of the present invention and are not limited, and other modifications or equivalent substitutions made by the technical solutions of the present invention by the ordinary skilled person in the art are included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (7)

1. The utility model provides a movable building construction equipment which characterized in that: the chute comprises a chute main body, a sliding support, a sliding rail, a formwork support unit, a connecting rod and a connecting beam, wherein the chute main body comprises a sliding cavity for concrete to flow along and a pouring opening located at the rear end, a baffle assembly is installed at the rear end of the chute main body and comprises an upper baffle fixed above the chute main body and a lower baffle hinged to the upper end of the chute main body at the upper end, the size of the lower baffle is matched with the size of the pouring opening, support rings are installed at two ends of the chute main body, the sliding support comprises a connecting rod at the upper end, an opening for the connecting rod or the connecting rod to be installed in and rotationally matched with the support ring is formed in the support ring, the sliding support further comprises a directional wheel at the lower end, and the directional wheel is used for guiding and moving along the sliding rail; the height of the formwork support unit is greater than that of the sliding support, the formwork support unit comprises an I-shaped frame, a jacking support and a moving module, the frame comprises an upper cross beam, a lower cross beam and an upright post fixed between the upper cross beam and the lower cross beam, the jacking support comprises a jacking support pillar, a lifting screw rod and a jacking support plate, the jacking support pillar is fixed above the upper cross beam, the lifting screw rod is installed in the jacking support pillar in a threaded manner, the jacking support plate is circumferentially and rotatably installed at the upper end of the lifting screw rod, the jacking support plate is provided with a through hole, the connecting rod comprises a large-diameter section and a small-diameter section, the size of the small-diameter section is matched with the size of the through hole so as to be inserted into the through hole and rotate in the through hole, the outer diameter of the large-diameter section is greater than the size of the through hole so that a shaft shoulder can be blocked by the hole edge of the through hole, and the end part of the small-diameter section, far away from the large-diameter section, is processed with threads to form a thread section, the inner wall surface of the large-diameter section is provided with a thread surface matched and matched with the thread section, the moving module comprises a walking wheel and a supporting leg, the walking wheel is arranged at the lower end of the moving module, the size of the walking wheel is matched with that of the sliding rail so as to walk along the sliding rail, and the supporting leg comprises a locking state and a supporting state, wherein the locking state is locked so that the formwork supporting unit can walk through the walking wheel, and the supporting leg is put down to be stably supported on a base object so as to avoid the formwork supporting unit from walking through the walking wheel; the connecting beam comprises a horizontal connecting beam and an inclined connecting beam, the horizontal connecting beam is used for fixing the upper cross beam of the two adjacent formwork support units, the inclined connecting beam is used for fixing the stand columns of the two adjacent formwork support units, and the lower cross beam is provided with a fixing structure.

2. The mobile building construction device according to claim 1, wherein: the landing leg includes mount, adjustable shelf, drag hook, preformed hole and round pin axle, mount fixed mounting is in the lower extreme of bottom end rail, the adjustable shelf rotationally installs the lower extreme of mount, the upper end of drag hook is fixed on the bottom end rail, the lower extreme of drag hook is unsettled, the preformed hole is seted up on the adjustable shelf with the drag hook cooperation, the mount with correspond on the adjustable shelf and seted up the confession round pin axle male pinhole.

3. The mobile building construction device according to claim 1, wherein: the upper cross beam is provided with three jacking supports at intervals, and the jacking support in the middle is positioned at the center of the upper cross beam.

4. The mobile building construction device according to claim 1, wherein: the fixing structure comprises a bolt through hole formed in the lower cross beam.

5. The mobile building construction apparatus according to claim 2, wherein: the edge the length direction of bottom end rail the mount is located the outside of walking wheel, the drag hook with the mount is located the both ends of bottom end rail width direction.

6. The mobile building construction device according to claim 1, wherein: the frame comprises reinforcing struts, and the reinforcing struts are arranged between two ends of the upper cross beam and the upper ends of the stand columns and between two ends of the lower cross beam and the lower ends of the stand columns.

7. The mobile building construction apparatus according to any one of claims 1 to 6, wherein: the chute main body comprises a plurality of chute units which are sequentially connected end to end, and the adjacent two chute units are connected in an inserting manner and provided with bolts at the inserting connection positions.

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