CN214219733U - Arch type support light mobile trolley system under limited operation space condition - Google Patents

Abstract

The utility model discloses a light-duty mobile trolley system of arch form support under limited operation space condition, include: the arch type support is of a three-dimensional frame type structure; the walking system is arranged at the bottom of the arch support and comprises a plurality of groups of pushing devices, and any pushing device is arranged on the construction plane and the pushing end is abutted against the bottom of the arch support; a folding system comprising a roof template erected atop the arch support; two wall templates which are respectively arranged at two sides of the arch type bracket; the chamfering template is hinged with the wall body template and the top plate template respectively; and the adjusting screw rods are arranged at the lower parts of the wall templates and are respectively and rotationally connected with the wall templates, and the adjusting screw rods are used for adjusting the relative positions of the two wall templates. The utility model discloses an increase the multistage receipts that two hinges are connected between arch-type support and inner formword and divide folding system, enlarged the inside and outside operation activity space of platform truck, be applicable to the limited construction environment in space and improve the efficiency of construction.

Description

Arch type support light mobile trolley system under limited operation space condition

Technical Field

The utility model relates to a piping lane construction technical field. More specifically, the present invention relates to a light-duty mobile trolley system with an arch-type support under limited working space conditions.

Background

Underground pipe gallery generally adopts and struts the construction of back open cut method, excavates the foundation ditch promptly and constructs the pipe gallery major structure of being under construction after strutting, has the problem that operating space is narrow and small, construction is inconvenient. At present, in the construction of underground comprehensive pipe galleries at home and abroad, the support cast-in-place technology of loose support and loose assembly still dominates, and the operation space is small, so that the construction efficiency and the construction quality are influenced to a certain extent, and therefore, the integral sliding technology of the shaped steel templates and the combined supports is developed rapidly.

In the prior art, when the template trolley is used for pipe gallery construction, operations such as support template assembly, template trolley integral movement, mold release agent coating, template jacking fixation, mold release and the like need to be carried out, and the following problems exist:

1. before the formwork trolley moves forwards, the next section of wall body reinforcing steel bars and embedded parts need to be installed in advance, so that the movement operation space of the formwork trolley is narrow, and the construction is inconvenient;

2. after the formwork trolley is demolded, a demolding agent needs to be coated on the formwork before the next section of construction, but the operation space is limited, the demolding agent is not easy to coat, and the installed wall body reinforcing steel bars are easy to pollute;

3. the template trolley has small external space in the whole forward propelling process, is influenced by wall body steel bars and embedded parts, is difficult to propel and is easy to damage the installed embedded parts;

4. the traditional formwork trolley has dense supports, the operation space is narrow when workers carry out reinforcing, checking and formwork stripping operations on the formwork trolley inside, and the working efficiency is low;

5. the intensive type formwork trolley support causes the formwork trolley support system to have more materials, large self weight and difficult installation, disassembly and movement.

In order to solve the above problems, the existing formwork trolley construction technology needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a light-duty mobile trolley system of arch form support under limited operation space condition has increased the inside operating space of platform truck through the arch form support, has enlarged the outside operation activity space of platform truck simultaneously through the multistage receipts of increasing double hinged joint between arch form support and inner formword and has divided folding system, applicable in the limited construction environment in space and improve the efficiency of construction.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an arch support light mobile trolley system under limited work space conditions, comprising:

the arch type support is of a three-dimensional frame type structure;

the walking system is arranged at the bottom of the arch support and comprises two rails which are arranged on a construction plane in parallel and arranged along the construction direction; the plurality of walking wheels are symmetrically arranged on the two tracks and are in rolling connection with the two tracks, and the arch type support moves along the two tracks through the plurality of walking wheels; the pushing devices are in one-to-one correspondence with the walking wheels, any one group of pushing device comprises two pushing devices which are symmetrically arranged on two sides of the corresponding walking wheels, any one pushing device is arranged on the construction plane, and the pushing end of the pushing device is abutted against the bottom of the arch-shaped support;

a folding system comprising a roof formwork erected atop the arch support; the two wall body templates are respectively arranged at two sides of the arch type bracket; the two chamfering templates are respectively connected with the two wall templates and the top plate template, one end of any chamfering template is hinged with the end part of the top plate template through a first connecting piece, and the other end of the chamfering template is hinged with the top end of the corresponding wall template through a second connecting piece; and the adjusting screw rods are arranged at the lower parts of the two wall templates and are respectively and rotationally connected with the lower parts of the two wall templates, and the adjusting screw rods are used for adjusting the relative positions of the two wall templates.

Preferably, the arch support light-weight traveling trolley system in the restricted work space condition, the arch support includes:

the two groups of longitudinal beams correspond to the two rails one by one, any group of longitudinal beams comprises two longitudinal beams which are arranged right above the corresponding rails at intervals, and any longitudinal beam is horizontally arranged along the length direction of the rails;

the two groups of vertical rods correspond to the two groups of longitudinal beams one by one, any group of vertical rods comprises a plurality of vertical rods arranged between the corresponding group of longitudinal beams at intervals, and any vertical rod is vertically arranged and fixedly connected with the longitudinal beams;

and the cross beams are arranged between the two groups of upright rods at intervals along the length direction of the longitudinal beam, and any cross beam is horizontally arranged along the width direction of the longitudinal beam and fixed at the top ends of the upright rods.

Preferably, the arch support light-duty mobile trolley system under the limited work space condition further comprises:

the longitudinal connecting rods are arranged in the middle of the upright posts, and any longitudinal connecting rod is parallel to the longitudinal beam and is connected with the upright posts on the same side in pairs;

the two groups of longitudinal inclined rods are respectively fixed on the two groups of vertical rods, and any group of longitudinal inclined rods comprises two longitudinal inclined rods which are connected with the vertical rods on the same side in a crossed manner;

the plurality of transverse connecting rods are arranged between the two groups of upright rods, and any transverse connecting rod is parallel to the cross beam and is fixed in the middle of the two corresponding upright rods;

the first transverse diagonal rods of any group are connected with the corresponding transverse beam and the two vertical rods;

and the second transverse inclined rods of any group are connected with the corresponding transverse connecting rods and the two vertical rods.

Preferably, the arch support light-duty mobile trolley system under the limited working space condition, the traveling system further includes: the brackets correspond to the multiple groups of pushing devices one to one, any one bracket is arranged between the corresponding pushing device and the longitudinal beam and is connected with the vertical rod, and the bracket is sleeved on the side wall of the longitudinal beam and is abutted against the pushing end of the pushing device; and the supports correspond to the walking wheels one by one, and any support is arranged on the track and supports the corresponding walking wheels.

Preferably, in the arch support light-duty mobile trolley system under the limited working space condition, the first connecting part comprises three hinges arranged at intervals along the length direction of the track; the second connecting piece comprises a hinge plate which is fixed at the top of the wall body template, and the upper part of the hinge plate is provided with a through hole; the hinge shaft is fixed on the inner side wall of the chamfering template through a support and penetrates through the through hole and is in rotary connection with the through hole;

the rotating angle range between the chamfering template and the top plate template is 0-20 degrees, and the rotating angle range between the chamfering template and the wall body template is 0-15 degrees.

Preferably, the light-duty mobile trolley system of arch support under the limited operation space condition, folding system still includes two turnbuckles, its with two wall template one-to-one, arbitrary turnbuckle setting is between wall template and the arch support that corresponds, turnbuckle's one end and the upper portion of the wall template that corresponds are connected, the other end with the top of arch support is connected.

The utility model discloses at least, include following beneficial effect:

1. the utility model has the advantages that the light arch type support is arranged, the vertical rods for supporting stress are positioned at two sides of the construction route, the link rods and the inclined rods for stabilizing the support are positioned at the top and the chamfers at two sides of the top, the arch form is integrally formed, the operable space in the support is increased while the support is ensured to be stable and reliable, and the operation personnel can conveniently enter the interior of the formwork trolley for reinforcement, installation, disassembly and other operations;

2. by arranging the top plate template, the wall body template and the chamfer angle template which are connected in a double-hinged mode, the wall body template and the chamfer angle template can be folded inwards, divided and fixed during template removal, a larger construction operation space is created for the movement of the template trolley, the polishing of the inner mold and the coating of a release agent, the reserved wall body reinforcing steel bars and embedded parts of the next section are prevented from being damaged during the integral movement of the template trolley, and meanwhile, the wall body reinforcing steel bars are prevented from being polluted during the coating of the release agent;

3. the internal mold is assembled, demolded and moved more flexibly by arranging the turnbuckles and the adjusting screws on the internal mold plate and the arch type support bracket, so that the operation space is effectively increased, and the construction efficiency is improved while the construction quality is ensured.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic diagram of an overall structure of an arch-type support light-duty mobile trolley system under a limited working space condition according to an embodiment of the present invention;

FIG. 2 is a schematic front elevation view of the arch support and walking system of the above embodiment;

FIG. 3 is a schematic side elevation view of the arch support and the walking system in the above embodiment;

FIG. 4 is a schematic structural diagram of the walking system in the above embodiment;

FIG. 5 is a schematic view of the connection structure of the folding system and the arch type support in the above embodiment;

fig. 6 is a schematic structural diagram of the adjusting screw rod in the above embodiment.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1-6, the utility model provides a light-duty mobile trolley system of arch support under limited operation space condition, include:

the arch type support is of a three-dimensional frame type structure;

the walking system is arranged at the bottom of the arch support and comprises two rails 24 which are arranged on a construction plane in parallel and arranged along the construction direction; the walking wheels 22 are symmetrically arranged on the two rails 24 and are in rolling connection with the two rails 24, and the arch type support moves along the two rails 24 through the walking wheels 22; a plurality of groups of pushing devices 25 which correspond to the plurality of walking wheels 22 one by one, wherein any one group of pushing device 25 comprises two pushing devices which are symmetrically arranged at two sides of the corresponding walking wheel 22, and any one pushing device 25 is arranged on the construction plane and the pushing end is abutted against the bottom of the arch type support;

a folding system comprising a roof formwork 31 erected on top of the arch support; two wall formworks 32 respectively provided on both sides of the arch bracket; the two chamfering templates 33 are respectively connected with the two wall templates 32 and the top plate template 31, one end of any chamfering template 33 is hinged with the end part of the top plate template 31 through a first connecting piece 34, and the other end of the chamfering template is hinged with the top end of the corresponding wall template 32 through a second connecting piece 35; and the adjusting screw rods 36 are arranged at the lower parts of the two wall templates 32 and are respectively and rotatably connected with the two wall templates 32, and the adjusting screw rods 36 are arranged for adjusting the relative positions of the two wall templates 32.

In the above technical scheme, two rails 24 are fixed on the constructed pipe gallery bottom plate, a P15 finished rail is adopted, a plurality of walking wheels 22 are four walking wheels, any walking wheel 22 is arranged at the bottom of the arch support through a pin shaft and is rotationally connected with the arch support, a plurality of groups of thrusters 25 are four groups of thrusters, each group of thrusters 25 comprises two thrusters, the thrusters 25 are preferably jacks, are symmetrically arranged at two sides of the walking wheels 22 and are also arranged at two sides of the rail 24 corresponding to the walking wheels 22 and are detachably connected with the pipe gallery bottom plate. The arch type support moves on the pipe gallery bottom plate along the set construction direction through the traveling system, the folding system is erected on the periphery of the arch type support, a double-hinge connecting structure is formed between the wall body template 32 and the top plate template 31 through the chamfering template 33, and the multi-stage folding collection and distribution of the folding system can be realized through cooperation with the adjusting screw rods on the lower portion. When the arch support light-duty mobile trolley system works under the condition of the limited working space, the arch support is moved to a specified construction position along the track 24 by using the traction of a winch, at the moment, four groups of pushing devices are respectively installed on two sides of four walking wheels 22, and the states of the pushing devices 25 are adjusted to enable the pushing ends of the pushing devices to be in contact with the bottom surface of the arch support; during construction, the pushing device 25 is used for pushing the trolley system integrally upwards until the top plate template presses the upper pouring plane, and the adjusting screw rod 36 is rotated, so that the two wall templates 32 respectively rotate towards the side walls of the two sides of the pipe gallery until the wall templates 32 are tightly attached to the side pouring planes; after the construction is finished, the adjusting screw rod 36 is rotated to enable the wall formwork 32 to rotate towards the center of the pipe gallery (inwards divided), the wall formwork and the chamfering formwork are separated from the wall surface by means of self weight, then the pushing end of the pushing device 25 is controlled to retract until the walking wheels 22 fall on the rails 24 again, and the top plate formwork is separated from the wall surface to finish form removal.

The utility model discloses a set up chamfer template, the double-deck articulated connected mode of wall template, make the relative position of wall template of platform truck system accessible accommodate the lead screw in certain extent adjustment both sides in the work progress, when needs the centre form compress tightly pour, accommodate the lead screw rotates the interval that makes its both ends and the tie point of wall template increase, the wall template rotates to the outside relative to the chamfer template, after rotating to zero point between wall template and the chamfer template, the chamfer template rotates to the outside relative to the roof template, until the wall template rotates to the assigned position; when the formwork is disassembled, the distance between the two ends of the adjusting screw rod and the connection point of the wall formwork is reduced by rotating the adjusting screw rod, the wall formwork rotates inwards relative to the chamfering formwork, and after the wall formwork and the chamfering formwork rotate to the extreme position, the chamfering formwork rotates inwards relative to the top plate formwork until the wall formwork is retracted to the designated position. Through the double-hinge mode, the rotatable adjusting angle between the wall body template and the top plate template is further enlarged under the condition of ensuring the stability of the system, the requirement that the template is tightly attached to the wall surface for pouring construction can be met, the problem that the reserved wall body steel bars and embedded parts of the next section of the pipe gallery are damaged in the process of moving along the track in a space-limited environment of the trolley system is avoided, the whole trolley system is more convenient to disassemble and assemble and can move more flexibly, the construction safety coefficient is improved while the construction quality is ensured, and the influence on the construction efficiency due to frequent maintenance is avoided.

In another aspect, the light mobile trolley system with an arch support under limited working space conditions comprises:

two groups of longitudinal beams 11 which correspond to the two rails 24 one by one, wherein any group of longitudinal beams 11 comprises two longitudinal beams which are arranged right above the corresponding rail 24 at intervals, and any longitudinal beam 11 is horizontally arranged along the length direction of the rail 24;

two groups of upright posts 12 which correspond to the two groups of longitudinal beams 11 one by one, wherein any one group of upright posts 12 comprises a plurality of upright posts which are arranged between the corresponding group of longitudinal beams 11 at intervals, and any one upright post 12 is vertically arranged and is fixedly connected with the longitudinal beams 11;

and a plurality of cross beams 15 which are arranged between the two groups of upright posts 12 at intervals along the length direction of the longitudinal beam 11, wherein any cross beam 15 is horizontally arranged along the width direction of the longitudinal beam 11 and is fixed at the top ends of the upright posts 12.

In the above technical solution, a plurality of longitudinal beams 11, a plurality of vertical rods 12 and a plurality of cross beams 15 are combined to form a light arch support, wherein the vertical rods 12 are made of 12 # i-steel, any one group of vertical rods 12 includes four vertical rods, correspondingly, the plurality of cross beams 15 are four cross beams, one group of longitudinal beams 11 includes two longitudinal beams 11 arranged in an up-down symmetry manner, the longitudinal beams 11 and the cross beams 15 are made of 16 # i-steel, the top of any vertical rod 12 is respectively connected with the cross beam 15 and the upper longitudinal beam 11 through bolts, and the bottom of the vertical rod is connected with the lower longitudinal beam 11 through bolts. The stress structures (vertical rods and longitudinal beams) for bearing main vertical loads are respectively arranged right above the two rails 24, and a large operable space is reserved in the arch-shaped support, so that construction operation of constructors is facilitated.

In another aspect, the light mobile trolley system with an arch support under the limited working space condition further includes:

a plurality of longitudinal connecting rods 13 arranged in the middle of the upright posts 12, wherein any longitudinal connecting rod 13 is parallel to the longitudinal beam 11 and is connected with the upright posts 12 on the same side in pairs;

two groups of longitudinal diagonal rods 14 which are respectively fixed on the two groups of vertical rods 12, wherein any group of longitudinal diagonal rods 14 comprises two longitudinal diagonal rods which are connected with the vertical rods 12 on the same side in a crossed manner;

a plurality of cross links 16 arranged between the two sets of uprights 12, any one of the cross links 16 being parallel to the cross beam 15 and fixed in the middle of the corresponding two uprights 12;

a plurality of groups of first transverse diagonal rods 17, which correspond to the plurality of cross beams 15 one by one, wherein any group of first transverse diagonal rods 17 connects the corresponding cross beam 15 and two vertical rods 12;

and a plurality of groups of second transverse inclined rods 18 which correspond to the plurality of transverse connecting rods 16 one by one, wherein any one group of second transverse inclined rods 18 connects the corresponding transverse connecting rods 16 and the two upright rods 12.

Specifically, the plurality of longitudinal connecting rods are four longitudinal connecting rods, two longitudinal connecting rods 13 are arranged above one rail 24 and correspondingly connected with the four upright rods 12 on the same side, and the longitudinal connecting rods 13 are made of L63 multiplied by 6 angle steel; the two longitudinal inclined rods 14 on the same side are used for longitudinally connecting the four corresponding vertical rods 12 in a scissor-type manner, any longitudinal inclined rod 14 is sequentially connected with the four corresponding vertical rods 12, the two longitudinal inclined rods on the same side are detachably connected at the intersection point, and the longitudinal inclined rods 14 are made of L50 multiplied by 5 angle steel; the transverse connecting rods and the transverse inclined rods are made of 16-size I-steel, the transverse connecting rods 16 correspond to the cross beams 15 one by one, and the middle parts of the two corresponding vertical rods are transversely connected by any one transverse connecting rod; any one group of first transverse diagonal rods 17 comprises two first transverse diagonal rods, one end of each first transverse diagonal rod is fixed at the bottom of the corresponding cross beam 15, and the other end of each first transverse diagonal rod is fixed on the side wall of the vertical rod 12 on one side to support the cross beam in an inclined manner; any one set of the second diagonal members 18 comprises two second diagonal members, one end of each of which is fixed to the bottom of the corresponding transverse link 16, and the other end of each of which is fixed to the side wall of the vertical member 12 on one side, so as to support the transverse links 16 in an oblique manner. The connecting stabilizing rod pieces (the link rods and the inclined rods) in the technical scheme are positioned in the middle and at the upper part of the arch-shaped support, and a larger operation space is reserved at the lower part of the support, so that the operation of constructors is facilitated. Therefore, under the condition that the operable space in the arched support is not influenced, the connecting structure among the longitudinal beam, the cross beam and the vertical rod is reinforced, the stability of the inner structure of the arched support is further enhanced, and the situation that the construction quality and the construction safety are influenced by the shaking or deformation of the supporting structure in the construction process is prevented. In addition, when the transverse distance (the distance between the two rails 24) of the working space is too small, only the first transverse diagonal rod can be installed, and the second transverse diagonal rod is not installed to simplify the supporting structure, so that the subsequent construction is facilitated.

In another embodiment, the walking system of the arch-type light mobile trolley system under the condition of limited working space further comprises: the brackets 21 correspond to the multiple groups of pushing devices 25 one by one, any one bracket 21 is arranged between the corresponding pushing device 25 and the longitudinal beam 11 and is connected with the vertical rod 12, and the bracket 21 is sleeved on the side wall of the longitudinal beam 11 and is abutted against the pushing end of the pushing device 25; and a plurality of supports 23 corresponding to the plurality of road wheels 22 one by one, wherein any support 23 is arranged on the track 24 and supports the corresponding road wheel 22. The bracket 21 is two right-angle trapezoidal blocks which are bilaterally symmetrical, and the right-angle trapezoidal blocks are respectively arranged on two sides of the same position of the longitudinal beam 11 below and are fixed with the side wall of the longitudinal beam 11, so that the pushing device can drive the arch type support light-duty mobile trolley system to integrally move upwards under the condition of limited operation space when pushing the bottom of the bracket 21 right above the pushing device. Because the longitudinal beam 11 is made of I-shaped steel and the transverse stress area of the I-shaped steel is small, the brackets 21 are arranged on the two sides of the longitudinal beam 11, and on one hand, enough stress surfaces are provided for the pushing device to push; on the other hand, the bracket 21 further reinforces the connection point of the longitudinal beam 11 and the vertical rod 12, and improves the stability and the safety of the trolley system during pushing construction. When the pushing device 25 is used for pushing the whole trolley system upwards, the walking wheels 22 vertically and upwards leave the tracks 24, all gravity of the trolley system and the pressure of outside construction are concentrated at the contact point of the jack and the bracket 21, at the moment, the support 23 is arranged on the tracks 24 and used for supporting the walking wheels 22, stress points of the trolley system and the ground are increased, the jack can be prevented from being damaged due to stress concentration in the construction process, the stress structure is more reasonable, and the stability of the construction system is improved.

In another embodiment, in the arch-type support light-duty mobile trolley system under the limited working space condition, the first connecting member 34 includes three hinges arranged at intervals along the length direction of the rail 24; the second connecting piece 35 comprises a hinge plate which is fixed at the top of the wall body template 32, and the upper part of the hinge plate is provided with a through hole; the hinge shaft is fixed on the inner side wall of the chamfer template 33 through a bracket, penetrates through the through hole and is rotationally connected with the through hole;

the rotation angle range between the chamfer angle formwork 33 and the top plate formwork 31 is 0-20 degrees, and the rotation angle range between the chamfer angle formwork 33 and the wall body formwork 32 is 0-15 degrees. Chamfer template 33 is the syllogic structure, including horizontal segment, vertical section and chamfer section, and wherein the chamfer section links together horizontal segment and vertical section, and the horizontal segment is articulated through connecting piece one 34 with roof template 31, and vertical section is articulated through connecting piece two 35 with wall template 32. The hinge of the first connecting piece 34 adopts Q235B round steel of phi 25 as a hinge shaft and adopts Q235B round steel of phi 32 multiplied by 3mm as a hinge pipe, when the chamfering template 33 and the top plate template 31 rotate relatively, the state that the horizontal section is horizontally arranged (is positioned on the same plane with the top plate template) is taken as a zero point, and the chamfering template rotates inwards by 0-20 degrees by taking the hinge shaft of the first connecting piece as a center; the hinge plate of the second connecting piece 35 is made of Q235B steel plate with the length of 225mm, the width of 80mm and the thickness of 10mm and the end of the steel plate is arc, the hinge shaft is made of Q235B round steel with the diameter of 25mm and the length of 120mm, in order to ensure that the wall template and the chamfering template rotate flexibly and the splicing seam is tight, the through hole on the hinge plate is a rectangle hole with the diameter of 40mm at two ends and the length of 30mm and the width of 26mm in the middle, when the wall template 32 and the chamfering template 33 rotate relatively, the state that the vertical section and the wall template are positioned on the same plane is taken as a zero point, the hinge shaft of the second connecting piece of the wall template rotates inwards by 0-15 degrees as the center, and therefore, the hinge shaft between the wall template and the chamfering template can move up and down, and the movement is more flexible. Above-mentioned technical scheme forms double hinge connection structure through connecting piece one and connecting piece two between wall template and roof template to constitute one set of multistage folding system, can make wall template and chamfer template inwards draw in with the outside operating space after the increase drawing of patterns when rotating, conveniently carry out the piping lane construction.

In another technical solution, the light-duty mobile trolley system of arch type support under the limited working space condition, the folding system further includes two turnbuckles 37, which correspond to the two wall templates 32 one to one, any turnbuckle 37 is arranged between the corresponding wall template 32 and the arch type support, one end of the turnbuckle 37 is connected with the upper portion of the corresponding wall template 32, and the other end is connected with the top of the arch type support. Specifically, two turnbuckles 37 are rotatably connected to both ends of the cross member 15, respectively, and the turnbuckles 37 are provided for adjusting the distance between the upper portion of the wall form 32 and the cross member 15. During construction, after the top plate template is pushed upwards to a specified template mounting position by using a pushing device, the two ends of the turnbuckle 37 are loosened, the adjusting screw rod 36 is rotated to increase the distance between the lower parts of the wall body templates until the lower parts of the wall body templates are tightly attached to a specified mounting plane, and the two ends of the turnbuckle are screwed in a matched manner to tightly attach the upper parts of the wall body templates to the specified mounting plane; after the construction is completed, the two ends of the turnbuckle 37 are loosened, the adjusting screw rod 36 is rotated to reduce the distance between the lower parts of the wall body templates, and after the wall body templates are folded inwards and folded to be within a specified range, the turnbuckle 37 is screwed to fix the positions of the wall body templates. By arranging the turnbuckle, the wall body template can be further limited and fixed after the wall body template is adjusted to a specified position by using the adjusting screw rod, so that the stability of a construction system is ensured, and a larger operation space is created for the forward movement of the template trolley and the painting of a release agent; simultaneously, can finely tune the position of wall template through turnbuckle, make wall template can laminate with the mounting plane completely, improve construction quality.

In this embodiment, the construction method of the arch support light mobile trolley system under the limited working space condition is as follows:

step one, arch type support erection

Installing and fixing a rail on a pipe gallery bottom plate according to construction requirements, and then placing an arch-type support on the rail to assemble and erect; the structure of each arch type bracket is processed and molded by a template manufacturer, when assembling, firstly, the cross beam 15 and the upright stanchion 12 are connected into a plurality of bracket units by bolts, then the transverse link rod 16 and the first and the second transverse diagonal rods are installed on the bracket units according to the drawing to assemble a plurality of arch frames, the plurality of arch frames are connected into a whole by the longitudinal beam 11, and the longitudinal link rod 13 and the longitudinal diagonal rod 14 are correspondingly installed to stabilize the whole bracket structure; after the assembling of the arch type support is completed, the walking system is installed according to the drawing and is arranged on the track 24, and the arch type support is fixed above the walking system.

Step two, template assembly

Firstly, connecting the top plate template 31 and the chamfering template 33 by using a first connecting piece 34, hoisting and fixing, then hoisting a wall body template 32 and hinging the wall body template with the chamfering template 33 by using a second connecting piece 35, so that the inner mold of the trolley system can be flexibly rotated and folded at the chamfering position; after splicing, the top plate template 31, the chamfer template 33 and the wall body template 32 are integrally erected on the arch type support, the adjusting screw rods 36 are installed between the wall body templates, and the turn screws 37 are installed between the wall body templates and the arch type support.

Step three, erecting the template

The hoist is used for drawing the arch type support to walk along the track through the walking system until the arch type support moves to a specified template construction position, the pushing device 25 (jack) is adjusted, the arch type support is integrally lifted upwards to enable the top plate template to be in place, the walking wheels 22 and the track 24 are fixedly supported by the support 23 after the elevation of the top plate template is finely adjusted and calibrated; loosening the turnbuckle 37, adjusting the adjusting screw rod 36 at the lower part to enable the chamfering template 33 to rotate outwards to the designed position, finely adjusting the wall template through the adjusting screw rod 36, and locking the position of the wall template by using the turnbuckle 37 to finish the template erection.

Step four, the internal mold is folded in multiple stages to be collected and divided

After the construction of the current section of the pipe gallery structure is finished and the requirement on the formwork removal strength is met, loosening the turn buckle screws 37 and the adjusting screw rods 36 to separate the wall body and the chamfering template from the wall surface by means of self weight, continuously tightening the adjusting screw rods 36 to fold and divide the chamfering template 33 and the wall body template 32 inwards by means of a double-hinge system, and completing the demoulding of the chamfering template and the wall body template; the support 23 is removed, the jack is adjusted, the trolley system is lowered integrally, the top plate template 31 is demoulded, and the travelling wheels are placed on the track.

Step five, the template trolley is dragged to walk

Locking turn buckle screws 37 to fold and fix the wall body template 32, installing a winch on the bottom plate of the next construction section, connecting the winch to a traction piece of the arch type support through a steel rope for fixing, and starting the winch to pull the trolley system to move forward to the next construction position.

And repeating the contents of the first step to the fifth step until all the pipe gallery constructions are completed.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims (6)

1. An arch support light mobile trolley system under limited operating space conditions, comprising:

the arch type support is of a three-dimensional frame type structure;

the walking system is arranged at the bottom of the arch support and comprises two rails which are arranged on a construction plane in parallel and arranged along the construction direction; the plurality of walking wheels are symmetrically arranged on the two tracks and are in rolling connection with the two tracks, and the arch type support moves along the two tracks through the plurality of walking wheels; the pushing devices are in one-to-one correspondence with the walking wheels, any one group of pushing device comprises two pushing devices which are symmetrically arranged on two sides of the corresponding walking wheels, any one pushing device is arranged on the construction plane, and the pushing end of the pushing device is abutted against the bottom of the arch-shaped support;

a folding system comprising a roof formwork erected atop the arch support; the two wall body templates are respectively arranged at two sides of the arch type bracket; the two chamfering templates are respectively connected with the two wall templates and the top plate template, one end of any chamfering template is hinged with the end part of the top plate template through a first connecting piece, and the other end of the chamfering template is hinged with the top end of the corresponding wall template through a second connecting piece; and the adjusting screw rods are arranged at the lower parts of the two wall templates and are respectively and rotationally connected with the lower parts of the two wall templates, and the adjusting screw rods are used for adjusting the relative positions of the two wall templates.

2. The arch support light mobile trolley system under restricted workspace conditions of claim 1, wherein the arch support comprises:

the two groups of longitudinal beams correspond to the two rails one by one, any group of longitudinal beams comprises two longitudinal beams which are arranged right above the corresponding rails at intervals, and any longitudinal beam is horizontally arranged along the length direction of the rails;

the two groups of vertical rods correspond to the two groups of longitudinal beams one by one, any group of vertical rods comprises a plurality of vertical rods arranged between the corresponding group of longitudinal beams at intervals, and any vertical rod is vertically arranged and fixedly connected with the longitudinal beams;

and the cross beams are arranged between the two groups of upright rods at intervals along the length direction of the longitudinal beam, and any cross beam is horizontally arranged along the width direction of the longitudinal beam and fixed at the top ends of the upright rods.

3. The arch-type cradle light mobile trolley system under restricted workspace conditions of claim 2, wherein the arch-type cradle further comprises:

the longitudinal connecting rods are arranged in the middle of the upright posts, and any longitudinal connecting rod is parallel to the longitudinal beam and is connected with the upright posts on the same side in pairs;

the two groups of longitudinal inclined rods are respectively fixed on the two groups of vertical rods, and any group of longitudinal inclined rods comprises two longitudinal inclined rods which are connected with the vertical rods on the same side in a crossed manner;

the plurality of transverse connecting rods are arranged between the two groups of upright rods, and any transverse connecting rod is parallel to the cross beam and is fixed in the middle of the two corresponding upright rods;

the first transverse diagonal rods of any group are connected with the corresponding transverse beam and the two vertical rods;

and the second transverse inclined rods of any group are connected with the corresponding transverse connecting rods and the two vertical rods.

4. The arch-type support light-duty mobile trolley system under the restricted work space condition as claimed in claim 2, wherein said traveling system further comprises: the brackets correspond to the multiple groups of pushing devices one to one, any one bracket is arranged between the corresponding pushing device and the longitudinal beam and is connected with the vertical rod, and the bracket is sleeved on the side wall of the longitudinal beam and is abutted against the pushing end of the pushing device; and the supports correspond to the walking wheels one by one, and any support is arranged on the track and supports the corresponding walking wheels.

5. The arch support light traveling trolley system under restricted operating space conditions of claim 1, wherein the first connecting member comprises three hinges spaced apart along the length of the rail; the second connecting piece comprises a hinge plate which is fixed at the top of the wall body template, and the upper part of the hinge plate is provided with a through hole; the hinge shaft is fixed on the inner side wall of the chamfering template through a support and penetrates through the through hole and is in rotary connection with the through hole;

the rotating angle range between the chamfering template and the top plate template is 0-20 degrees, and the rotating angle range between the chamfering template and the wall body template is 0-15 degrees.

6. The arch type support light-weight mobile trolley system under the limited operating space condition of claim 1, wherein the folding system further comprises two turn-buckle screws which are in one-to-one correspondence with the two wall formworks, any turn-buckle screw is arranged between the corresponding wall formwork and the arch type support, one end of the turn-buckle screw is connected with the upper part of the corresponding wall formwork, and the other end is connected with the top part of the arch type support.

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