CN212103934U

CN212103934U - Suspended sliding form for second-stage concrete lining of gate slot

Info

Publication number: CN212103934U
Application number: CN202020638039.7U
Authority: CN
Inventors: 王宗敏; 王贤光; 何帅磊; 范戎; 王娣; 王江; 丁冉; 许浩; 王涛
Original assignee: Zhengzhou Meiyu Building Engineering Co ltd; China International Water and Electric Corp
Current assignee: Zhengzhou Meiyu Building Engineering Co ltd; China International Water and Electric Corp
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-08
Anticipated expiration: 2030-04-24

Abstract

The utility model provides a suspension type slipform of gate slot second stage concrete lining, it includes work platform, work platform's both sides are supported through adjusting screw and are installed the template, work platform's bottom four corners fixed mounting has lift power device, lift power device links to each other with suspending in midair the pull rod, suspend in midair the top of pull rod and fix and hang in midair the ring and link to each other in sealing the portion of trying to get to the heart of a matter, seal the top of trying to get to the heart of a matter supporting installation at the gate well, seal and install the defeated material system of concrete that is used for pouring between dish and the work platform. The key problem that exists in the second stage concrete work progress of gate slot effectively is solved, its simple structure, ann tear open convenient, low cost, quality are controllable, can construct in succession, can monitor the work progress at any time and can in time maintain and repair construction quality defect.

Description

Suspended sliding form for second-stage concrete lining of gate slot

Technical Field

The utility model relates to a gate construction technical field, in particular to suspension type slipform of gate slot second stage concrete lining.

Background

At present, the gate slot second phase concrete lining adopts modes such as full hall scaffold frame reverse mould or upset template to be under construction usually, and the more outstanding shortcoming is among the prior art:

firstly, a full scaffold reverse mould scheme is adopted, the scaffold mounting and dismounting workload is large, and the problem is more prominent particularly in a gate well with large depth; the construction process is many, and the installation and disassembly cost is high, has certain safe risk.

And secondly, the scheme of turning over the template is adopted, the usage amount of the template is large, a working platform needs to be frequently erected, the labor investment is large, and the construction speed is limited.

Thirdly, the two schemes have the defects of discontinuous concrete construction, more parting joints, incapability of timely repairing construction defects and timely maintaining, more auxiliary procedures, high construction quality control difficulty and relatively higher engineering cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned defect provides gate slot second stage concrete lining's suspension type slipform, effectively solves the key problem that exists in the gate slot second stage concrete work progress, and its simple structure, ann tear open convenience, low cost, quality are controllable, can be under construction in succession, can monitor the work progress at any time and can in time maintain and repair construction quality defect.

In order to realize the technical characteristics, the purpose of the utility model is realized as follows: gate slot second stage concrete lining's suspension type slipform, it includes work platform, work platform's both sides are supported through adjusting screw and are installed the template, work platform's bottom four corners fixed mounting has lift power device, lift power device links to each other with suspending in midair the pull rod, suspend in midair the top of pull rod and fix and hang in midair the ring continuous sealing the portion of trying to get to the heart of a matter, seal the top of trying to get to the heart of a matter support installation at the gate well, seal and install the concrete conveying system who is used for pouring between dish and the work platform.

An auxiliary platform is fixedly arranged at the bottom of the working platform, the auxiliary platform and the working platform both adopt truss structures, and a steel plate or a wood plate is laid between the truss structures to erect a working platform; and fixing a steel structure fence at the periphery of the operation platform.

The template is matched with the overall dimension of a gate slot secondary concrete lining to be poured, the template is formed by assembling a panel, reinforcing ribs and supporting plates, and the panel is processed by adopting a 6-9mm thick steel plate or assembled by adopting a common shaping steel template.

The lifting power device comprises jacks, bases of the jacks are fixedly installed at four corners of the top of the working platform, the jacks are connected with a hydraulic control platform used for driving the jacks to work through hydraulic oil pipes, the hydraulic control platform is fixedly installed on the auxiliary platform, the suspension pull rod penetrates through the jacks, and the jacks are connected with a synchronous controller used for monitoring synchronous lifting of the jacks.

The lifting power device adopts a hydraulic hoisting mechanism and comprises hydraulic hoisting motors fixed at four corners of the top of the working platform, a hoisting drum is mounted on an output shaft of the hydraulic hoisting motor, a suspension cable is wound on the hoisting drum, the other end of the suspension cable is fixedly connected with a suspension ring, the hydraulic hoisting motor is connected with a hydraulic control console for driving the hydraulic hoisting motor to work through a hydraulic oil pipe, the hydraulic control console is fixedly mounted on the auxiliary platform, and the four hydraulic hoisting motors are connected with a synchronous controller for monitoring synchronous rotation of the hydraulic hoisting motors.

The concrete conveying system comprises a receiving hopper fixed at the top of a sealing disc, a discharge port of the receiving hopper is butted with a sliding barrel, the bottom end of the sliding barrel is butted with a collecting hopper, the collecting hopper is symmetrically connected with distributing grooves, and the tail ends of the distributing grooves are correspondingly arranged right above a gate groove secondary concrete lining to be poured respectively.

Still include concrete maintenance system, concrete maintenance system is including setting up the shower on auxiliary platform.

The utility model discloses there is following beneficial effect:

1. the utility model discloses simple structure, ann tears the convenience open, has reduced loaded down with trivial details scaffold frame, the procedure such as template ann tears open, and engineering cost is low, and construction speed is fast, guarantees the concrete continuous construction.

2. The utility model discloses concrete work progress is directly perceived controllable, and the construction such as the income storehouse of concrete, open warehouse, vibration all goes on in template suitable for reading a definite range, and convenient operation, easily control can fully guarantee evenly to go into storehouse, layering open warehouse, closely knit vibration, are favorable to the inherent quality of concrete.

3. The utility model has the advantages that the demoulding accords with the concrete strength pouring rule, no construction joint exists, the demoulding strength of the concrete is controlled to be 0.1-0.3 MPa, the demoulding device is still in the initial setting period, the concrete pouring quality can be checked in time after demoulding, and surface defects can be processed in time, so that the surface quality can be ensured, and the beautiful surface is also ensured; the watering maintenance is carried out on the auxiliary platform timely, continuously and uniformly, and the concrete strength is also ensured.

4. The utility model discloses sealing work environment such as dish, work platform, auxiliary platform is totally closed, has subdued many potential safety hazards. The labor organization is simple, and the safe construction is guaranteed.

5. The utility model discloses an adopt lift power device can realize that the template climbs in the inside automation of narrow and small gate slot well and slides, guaranteed pouring in succession of gate slot, avoided the tradition to adopt in the scaffold frame work progress, need dismantle the scaffold frame, the loaded down with trivial details work progress of form removal, great improvement work efficiency.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a main sectional view of the present invention.

Fig. 2 is a top view of the present invention.

In the figure: the device comprises an auxiliary platform 1, a working platform 2, a jack 3, a sealing disc 4, a suspension pull rod 5, a suspension ring 6, a hydraulic oil pipe 7, a hydraulic control console 8, a template 9, an adjusting screw rod 10, a receiving hopper 11, a sliding barrel 12, a collecting hopper 13, a distributing groove 14, a spray pipe 15, first-stage concrete 16 and a gate groove second-stage concrete lining 17.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

Example 1:

referring to fig. 1-2, a suspension type slip form of gate slot second stage concrete lining, it includes work platform 2, the both sides of work platform 2 are supported through adjusting screw 10 and are installed template 9, the bottom four corners fixed mounting of work platform 2 has lift power device, lift power device links to each other with hanging in midair pull rod 5, hang in midair pull rod 5's top and fix and hang in midair ring 6 in sealing dish 4 bottom and link to each other, sealing dish 4 supports and installs at the top of gate well, install the defeated material system of concrete that is used for pouring between sealing dish 4 and the work platform 2. Through adopting foretell suspension type slipform can be convenient be used for gate slot second stage concrete lining's pouring construction, its simple structure, the ann tears the convenience open, has reduced loaded down with trivial details scaffold frame, template ann and has torn open the procedure such as, and engineering cost is low, and construction speed is fast, guarantees concrete continuous construction.

Further, an auxiliary platform 1 is fixedly installed at the bottom of the working platform 2, the auxiliary platform 1 and the working platform 2 both adopt truss structures, and a steel plate or a wood plate is laid between the truss structures to erect a working platform; and fixing a steel structure fence at the periphery of the operation platform. Through foretell work platform 2 can make things convenient for the operation personnel to pour the construction.

Further, the template 9 is matched with the overall dimension of a gate slot second-stage concrete lining 17 to be poured, the template 9 is formed by assembling a panel, reinforcing ribs and supporting plates, and the panel is processed by adopting a 6-9mm thick steel plate or assembled by adopting a common shaping steel template. The height of the formwork 9 is typically about 1.5 m. In order to ensure that the adjustment can be carried out at any time according to the first-stage concrete construction condition of the gate slot in the sliding and lifting process and prevent the mold from being clamped, the template is rigidly connected with the working platform through an adjusting screw rod 10.

Further, the lifting power device comprises a jack 3, bases of the jack 3 are fixedly installed at four corners of the top of the working platform 2, the jack 3 is connected with a hydraulic control platform 8 used for driving the jack to work through a hydraulic oil pipe 7, the hydraulic control platform 8 is fixedly installed on the auxiliary platform 1, the suspension pull rod 5 penetrates through the jack 3, and the jack 3 is connected with a synchronous controller used for monitoring synchronous lifting of the jack 3. The lifting power device is mainly used for providing power for lifting the sliding formwork, four groups of pull rods are adopted for the suspension pull rods 5, each group comprises 2 pull rods, scaffold steel pipes with the diameter of 48mm are adopted, the upper ends of the scaffold steel pipes are suspended on a sealing disc at the top of a gate slot, the lower parts of the scaffold steel pipes are connected with a working platform through a special jack, the pull rods are directly connected through mantle wires, and the tensile strength and the suspension verticality are guaranteed.

Furthermore, the jack 3 adopts a special jack as the power of a sliding mould, and at present, more common hydraulic special jacks with large tonnage HM-100 models are used. The hydraulic control platform 8 is a command center of the sliding mode system and provides power for the jack through an oil pipe, a control valve and the like; model YKT-36 hydraulic console is a dedicated device. The synchronous controller is a synchronous device of the jack and is fixed on a pull rod above the jack, and the jack is synchronously controlled timely to ensure that the sliding form rises horizontally and uniformly.

Further, the lifting power device adopts a hydraulic hoisting mechanism, and comprises hydraulic hoisting motors fixed at four corners of the top of the working platform 2, a hoisting drum is mounted on an output shaft of the hydraulic hoisting motor, a suspension cable is wound on the hoisting drum, the other end of the suspension cable is fixedly connected with a suspension ring 6, the hydraulic hoisting motor is connected with a hydraulic control console 8 used for driving the hydraulic hoisting motor to work through a hydraulic oil pipe 7, the hydraulic control console 8 is fixedly mounted on the auxiliary platform 1, and the hydraulic hoisting motors are connected with a synchronous controller used for monitoring synchronous rotation of the hydraulic hoisting motors. The hydraulic hoisting mechanism can also be used for providing lifting power, and in the working process, the hydraulic hoisting motor drives the suspension cable to be wound on the hoisting drum, so that the lifting of the suspension cable is realized in the winding process.

Further, concrete feeding system is including fixing the hopper 11 that receives at the top of sealing plate 4, the discharge gate of receiving the hopper 11 is docked with swift current bucket 12, the bottom of swift current bucket 12 is docked with collecting hopper 13, the last symmetrical connection of collecting hopper 13 has branch silo 14, two the end of branch silo 14 corresponds the setting respectively and is just over waiting the gate slot second stage concrete lining 17 of pouring. The concrete conveying system is mainly used for pouring concrete, and the concrete can be directly slid into a collecting hopper on a working platform by adopting an articulated chute or can be unloaded into the collecting hopper by adopting a hoisting bucket; uniformly distributing materials to two sides of the template through a material distributing groove, leveling the bin, and effectively vibrating the concrete by using an inserted vibrator at the upper opening of the template.

Further, the concrete curing system comprises a spraying pipe 15 arranged on the auxiliary platform 1. Make things convenient for the manual work to in time repair the concrete quality defect after the drawing of patterns on auxiliary platform through auxiliary platform 1, guarantee through shower 15 in time to reach the concrete watering of initial set intensity, maintenance.

Example 2:

the construction method for pouring the gate slot by using the suspended slip form for the second-stage concrete lining of the gate slot of the gate comprises the following steps of:

step1, template 9 preparation: manufacturing according to design requirements in a manufacturing workshop, checking and accepting after pre-assembling, numbering and disassembling for transportation after being qualified;

step 2, installation of the template 9 on site: firstly, temporarily fixing an auxiliary platform 1, fixing a working platform 2 on the auxiliary platform 1, fixing a jack 3 on the working platform 2 by using a bolt, fixing a sealing disc 4 at the top of a gate well, fixing a suspension pull rod 5 on a suspension ring 6 of the sealing disc 4, penetrating the suspension pull rod 5 into the jack 3, connecting a hydraulic oil pipe 7 with the jack 3 and a hydraulic control console 8, and connecting a power supply; installing a template 9 and an adjusting screw 10, adjusting to proper positions, carrying out no-load test after all systems are installed, and installing a synchronous controller through measurement;

step 3, installing a concrete conveying system: after the template 9 is in place, a receiving hopper 11 is arranged at the top of the sealing disc 4, a collecting hopper 13 and a distributing groove 14 are arranged on the working platform 2, a spray pipe 15 is arranged on the auxiliary platform 1, and a sliding barrel 12 is suspended by a steel wire rope;

step 4, concrete construction: the concrete is transported to a receiving hopper 11 at the upper opening of a gate slot, slides into a collecting hopper 13 on a working platform through a sliding barrel 12 or a hopper, and symmetrically enters a bin and is uniformly divided by a material dividing groove 14; particularly, the concrete on the side walls at two sides is ensured to be uniformly and synchronously put into a warehouse so as to ensure that the template does not laterally move, and the flexible shaft vibrating rods are utilized to uniformly vibrate in a layered manner; the principles of sequential warehousing, layered leveling, uniform vibration and synchronous sliding lifting are strictly executed;

step 5, sliding and lifting the sliding mode: after the concrete is poured for the first time, the slip form is lifted for the first time, and then the lower layer is poured;

step 6, concrete scarcity elimination and maintenance: after demoulding, the auxiliary platform 1 is used for carrying out primary pulp restoration on the concrete in time, and the concrete is required to be smooth, uniform and flat; in order to ensure that the surface of the demolded concrete has proper hardening conditions and prevent cracks, the auxiliary platform is provided with a spray pipe 15, and the demolded concrete surface can be timely maintained by adopting a curing agent.

In the Step:5, the sliding mode is required to be carried out according to the following steps in the lifting process: pouring concrete or mortar with the thickness of 10cm and semi-aggregate for the first time; then pouring a second layer of concrete according to the layering thickness of not more than 30 cm; when the thickness reaches 70cm, starting to slide and lift by 3-6 cm, and checking whether the strength of the demoulded concrete is proper; the fourth layer is cast and then glided for 6cm, the fifth layer is continuously cast and glided for 12 cm-15 cm, the sixth layer is cast and glided for 20cm, and if no abnormal phenomenon exists, normal casting and gliding can be carried out; the concrete pouring adopts layered symmetrical pouring, and the layered thickness is not more than 30 cm; the first sliding of the sliding mould is slowly carried out, and in the process, the hydraulic device, the template structure and related facilities are comprehensively and systematically checked under the load condition, the problems are found and timely treated, and normal sliding can be carried out after all the sliding moulds are normal; when construction is shifted to normal sliding, continuous operation needs to be kept, a special person observes the surface quality of the demolded concrete to determine proper sliding time and sliding speed and guarantee daily sliding for 6-10m, and the concrete needs to be determined according to the comprehensive test of concrete characteristics, feeding strength, environment temperature and demolding strength.

Before the concrete in the Step 5 is poured, a concrete solid solidification test is carried out, the solid solidification time is controlled to be 4-6 hours, in order to ensure that the concrete is smoothly put into a bin, the concrete workability and the fluidity are required to be good, and the slump meets the pumping requirement; the demolded concrete surface has no phenomena of flowing and pulling crack, the finger print with a hard feeling can be pressed out by hand by about 1 mm, and the concrete surface can be polished by a trowel; if the surface of the demoulded concrete is flat, finishing treatment can not be carried out; if the surface of the demolded concrete has defects, the surface of the concrete is repaired immediately, and a trowel is generally used for flattening the surface of the concrete by using virgin stock; in order to smoothly slide the form, the concrete supply is continuous.

Claims

1. Gate slot second stage concrete lining's suspension type slipform, its characterized in that: it includes work platform (2), template (9) are installed through adjusting screw (10) support in the both sides of work platform (2), the bottom four corners fixed mounting of work platform (2) has lift power device, lift power device with hang in midair pull rod (5) and link to each other, hang in midair the top of pull rod (5) and link to each other with hanging in midair ring (6) of fixing in sealing dish (4) bottom, seal dish (4) support mounting at the top of gate well, seal and install the concrete conveying system who is used for pouring between dish (4) and work platform (2).

2. A suspended slipform for lining secondary concrete of a gate slot according to claim 1, wherein: the bottom of the working platform (2) is fixedly provided with an auxiliary platform (1), the auxiliary platform (1) and the working platform (2) both adopt truss structures, and a steel plate or a wood plate is laid between the truss structures to erect a working platform; and fixing a steel structure fence at the periphery of the operation platform.

3. A suspended slipform for lining secondary concrete of a gate slot according to claim 1, wherein: the template (9) is matched with the overall dimension of a gate slot secondary concrete lining (17) to be poured, the template (9) is formed by assembling a panel, reinforcing ribs and supporting plates, and the panel is processed by adopting a 6-9mm thick steel plate or assembled by adopting a common shaping steel template.

4. A suspended slipform for lining secondary concrete of a gate slot according to claim 1, wherein: the lifting power device comprises a jack (3), wherein a base of the jack (3) is fixedly arranged at four corners of the top of the working platform (2), the jack (3) is connected with a hydraulic control platform (8) used for driving the jack to work through a hydraulic oil pipe (7), the hydraulic control platform (8) is fixedly arranged on the auxiliary platform (1), a suspension pull rod (5) penetrates through the jack (3), and the jack (3) is connected with a synchronous controller used for monitoring synchronous lifting of the jack (3).

5. A suspended slipform for lining secondary concrete of a gate slot according to claim 1, wherein: the lifting power device adopts a hydraulic hoisting mechanism and comprises hydraulic hoisting motors fixed at four corners of the top of the working platform (2), a hoisting cylinder is installed on an output shaft of the hydraulic hoisting motor, a suspension cable is wound on the hoisting cylinder, the other end of the suspension cable is fixedly connected with a suspension ring (6), the hydraulic hoisting motor is connected with a hydraulic control console (8) used for driving the hydraulic hoisting motor to work through a hydraulic oil pipe (7), the hydraulic control console (8) is fixedly installed on the auxiliary platform (1), and the hydraulic hoisting motors are connected with a synchronous controller used for monitoring synchronous rotation of the hydraulic hoisting motors.

6. A suspended slipform for lining secondary concrete of a gate slot according to claim 1, wherein: concrete conveying system is including fixing hopper (11) at sealing dish (4) top, the discharge gate of hopper (11) docks with swift current bucket (12), the bottom of swift current bucket (12) docks with collecting hopper (13), symmetrical connection has branch silo (14), two on collecting hopper (13) the end of branch silo (14) corresponds the setting respectively directly over waiting to pour gate slot second stage concrete lining (17).

7. A suspended slipform for lining secondary concrete of a gate slot according to claim 1, wherein: still include concrete maintenance system, concrete maintenance system is including setting up shower (15) on auxiliary platform (1).