CZ92996A3 - Device for the control of blocking mechanisms on a mould forming a shuttering for concrete, particularly for gas concrete - Google Patents

Abstract

The square shuttering form (63) is open at the top and has movable side walls which have locking pieces each consisting of a spring loaded bolt on one longitudinal side wall and a pin protruding sideways on one top side wall. The pin fits into a cavity in the bolt. A suspended frame (3, 4) has a locking piece (1) and preferably a connected unlocking piece (2). The locking and unlocking pieces are placed over the shuttering form and have controls (15-18) by which the locking pieces are operated. The controls of the locking piece in the vicinity of the shuttering element between two submerged side walls (61, 62;88, 89).

Description

(57)

The device is intended to control the blocking devices (110, 111, 112, 113) on a mold (63) forming a formwork for concrete, in particular for concrete. The block-shaped mold (63) is open at the top and is provided with pivotable side walls (61, 62, 88, 89) which are provided with locking devices (110, 111, 112, 113) which essentially consist of a pin (109) on a front side wall (88, 89) projecting to the side, which engages in the recesses (107, associated latches (82, 83, 84, 85)), a suspension structure (3, 4) on which a locking device is arranged (1) and in particular a structurally unlocking device (2) connected thereto, which can be positioned above the mold (63) and comprises working means (15, 16, 17, 18, 114, 115) by which the locking devices (110, 111, 112, 113).

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BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for controlling blocking devices on a formwork for concrete, in particular for gas, wherein the block-shaped form is open at the top and is provided with pivotable side walls which are provided with blocking devices. a side wall projecting to the side which engages in the recess of the associated bolt.

BACKGROUND OF THE INVENTION

It is known to form a formwork in which the side walls pivoted upwards are manually locked to form the formwork before it is filled with a crushed concrete. After the formation of the gas-concrete cake during the maturing process, the mold is manually unlocked. The side walls are folded back hydraulically in order to subdivide the gas-concrete cake into smaller blocks for further processing, possibly at another workstation.

The bottom of the mold is preferably movable on conveying means, in particular on parallel arranged rows of rollers, on which the conveying of the mold is carried out between at least two workplaces to form a gas concrete which can be used on site.

The locking devices consist in each case of a resiliently loaded bolt which is rotatably mounted on the longitudinal side walls and which is provided with a recess and of a pin located on the front side wall which projects laterally and which is shaped to the shape of the recess of the bolt. The recess is also designed such that the pin is additionally retained by the retaining bevel.

Due to the special design of the locking devices on the side walls of the mold, manual unlocking of the locking devices with the enormous expense incurred during the gas-concrete cake of the device on the side walls is combined with forces. In addition, since the swelling, maturation, exerts a strong pressure on the side walls inside the strengthening and this pressure is therefore essentially transmitted to the locking device, the unlocking is only possible with the greatest effort.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a device for controlling blocking devices on a concrete mold, in particular for a concrete slab, which has a suitable arrangement and includes suitable controls for quickly and safely locking and unlocking the side walls. .

SUMMARY OF THE INVENTION

This object is achieved by a device for controlling the blocking devices on a formwork for concrete, in particular for aerated concrete, the block-shaped form being open at the top and provided with swinging side walls which are provided with locking devices which essentially consist of a pin on the front side wall projecting to the side, which engages in the recess of the associated bolt, according to the invention, characterized in that a suspended structure is provided on which the locking device is arranged and in particular a structurally unlocking device connected thereto which can be positioned above the mold and contain working means, with which the locking devices are operated.

The working means B1 is always provided with side walls arranged in the region of the formwork corner.

The windowing device is arranged between two mutually perpendicular to each other. The windowing devices are preferably arranged at an angle of about 45 ° relative to

Working means block in the inner part of the mold, with vertical.

The working means of the sliding part which is connected preferably comprise a hydraulic sliding element.

The working means are provided with at least one locking device and a 1 a retaining of the respective side wall.

The locking devices are in each case an element for blocking the clips by one element for perpendicular walls, in particular longitudinal side

The unlocking device is provided with working means, each of which at least one element is adapted to unlock the locking device and at least one element for tilting the side wall.

Locking device by side wall device.

is associated with at least one oscillating

Swiveling device for from swinging arm, move element. The wall control element in the rolling part dr of the side wall is the control of the at least one support arm connected to the associated side wall. The side wall consists essentially of a controllable control preferably located next to the side a. wall.

The connections between the locking device and the pivotable radiators of the device or the unlocking side walls thereof are provided by signal lines between which the control unit is connected.

The invention provides not only the possibility of simply replacing the manual operation of the locking devices and the side walls with the device according to the invention, but also the possibility of faster and less demanding locking and unlocking of the mold associated with substantially higher safety and reliability.

Further advantageous embodiments are set forth in the subclaims.

BRIEF DESCRIPTION OF THE DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view of a locking device according to the invention, suspended from a mold forming a form; FIG. 2 is a front elevation view of the locking device according to the invention; the longitudinal side walls are in two different positions, without the front side walls (planking), FIG. 3 is a side view of the locking device according to the invention when the front side walls of the mold are swung up, the front side walls being in two different positions, two Fig. 4 is a side view of the unlocking device according to the invention when the front side walls are folded away, in two different positions (unlocking), Fig. 5 is a front view of the unlocking device according to the invention when the longitudinal sideways are folded walls in two different positions after unlocking of the locking devices (formwork).

for controlling concrete blocking devices, especially for gas concrete,

1, 2, 3) and of which there may be two

DETAILED DESCRIPTION OF THE INVENTION

The form-forming device according to the invention consists of a locking device 1. (FIG. 4 of the unlocking device 2 preferably arranged both (FIGS. 4, 5), on a stand, structures 3, 4, structurally or structurally connected, and in particular two different workplaces above the form 63 forming the formwork.

By displaceably, the setting of the device according to the movable and movable, knows underneath it, and which is to be fixed according to the invention, are

The locking device 1 is to be mold 63 before being filled and locked.

FIG. 1 is a plan view of the invention, which is intended to be preferably molds 63 which are in the construction. When the device according to ou is a transferable mold 63.

The hinged blocking device 1 according to the invention is shown in the assembly at which the gas-concrete pulp is assembled. On the vertical columns 5,6 and 7,8 of the structure 2, vertical sic bars 10 and 11 are connected to each other by the clamps 5, 6 and 7,8. Perpendicular to the two crossbars 10 and 11, the spacers 12 may be connected to the centers of the two crossbars 10 and 11 to stabilize the structure 2 and maintain the spacing between the crossbars 10 and 11. The spacer 12 may be omitted when the structure 2 is attached to other stabilizing joints .

On both cross members IC working means 15. 16 to axis 13. 2 and 17, 18, arranged symmetrically and at the same time constituting a 14, are fixed in relation to the longitudinal axis of the rectangular dri and 11. The working means 15, 16 and 17, 18 are arranged at an angle to each other on the crossbars 10, 11. downwards, preferably at an angle of preferably about 45 'to the vertical (not shown in FIG. 2 because they are arranged perpendicular to the plane of representation).

The working means 15, 16 and 17, 18 each comprise a sliding part 19, 20 and 21. 22, preferably hydraulically actuated, which moves the sliding element 27, 28 and 29 by means of a respective rod 23, 24 and 25, 26, 30 in the associated guide rail 31, 32 and 33, 34, which is covered in plan view in FIG. 1 and which is always fastened under the sliding part 19, 20 and 21. 22. The sliding elements 27, 28 and 29, 30 are respectively The ends 49, 50 and 51, 52 of both cross-members 35 and 36 extend approximately to the edges of the opposed upwardly swiveling side walls of the bottom. On these ends 49, 5Ό, 51, 52, plate holders 37, 18, 39, 40 are provided, arranged perpendicularly to the crossbeams 35 and 36, with the actuators fixed to the plate holders 37, 38, 39, 40. elements 41, 42, 43 44 with respective lever arms 45, 46, 47, 48.

In addition, L-shaped guide holders 53, 54, 55, 56 are arranged on the sliding elements 27, 28, 29, 10, arranged vertically downwards (covered in FIG. 1), the horizontal arms of which are parallel to the crossbeams 35 and 36 in the direction of the opposed upwardly pivoted longitudinal side walls 61, 62 of the mold 63. At the ends of the horizontal arms, a spacer roller 57, 58, 59, 60 is supported, which rests on the longitudinal side walls 61. 62 62

FIG. 1 shows a mold 63. whose bottom 14 represents a rectangular reference surface for the device according to the invention, by means of which the position of the device is adjusted. The mold 63 consists of a rectangular bottom 14, two opposing longitudinal side walls 61, 62 and two front side walls t.

88. 89. At approximately the level of the opposing axis 64 and 65 of the side walls 61, 62, and for rotatably supporting the front side faces 14, laterally therefrom, a rotation is provided for rotatably supporting the longitudinal opposing axes 86 and 87 for the walls 88 and 88. 89.

The first longitudinal side pivoted upwardly while already in its final spacer rollers 58 and 59 the front side wall 89 is shown opposite the first front side lateral vertical position in which the second longitudinal side wall

The puppy 61 is in the m-position and the second longitudinal side wall 62 is in a vertical position which is fixed from the inside of the mold 63. The second wound also in the pivoted state, the wall 88 is already arranged in its part and is held in part by the abutment at 62.

The longitudinal side walls 111 and 62 are pivoted up first, whereupon the front side walls 88 and 89 are pivoted upward, which, in their vertical position, rest against the short edges of the longitudinal side walls 61, 6 '.

For pivoting the two longitudinal side walls 61 and 62 upwardly, the pivoting assemblies 70 and 71, which can be shown in FIG. 2, are provided. The front side walls and 89 are also provided with pivoting devices 90 and 91 having essentially the same design as the pivoting devices 70 and 71. .

FIG. 2 is a front elevational view of the longitudinal side wall pivoting positions; The rear columns 7 and 8 are covered. They are shown with the pivoting devices 90 shown.

The locking device 1 is shown at the walls 61, 62 of the mold 63 upwards,

61, 62 are located in different parts of the interlocking device 1 with their side walls 88 and 89 with their

The mold 63 consists of a rectangular and longitudinal bottom 14, which is preferably side walls 61 and 62, which are rotatable about axes 64 and 65 of rotation.

The bottom 14 is supported on the conveying means, in particular on two rows of rollers 66 and 67, which are rotatably supported on the pivot axes 69 fixed by supports 68.

In addition to the supports 68, there is in each case a pivoting device 70 and 71, which consists of a holding device 72 and 73 mounted at the work station for mounting the molds 63, and a pivoting arm 74. 75 and from the actuating element 76, 77 for actuating the pivot arm 74, 75, wherein the pivot arm 74, 75 is each provided with a support roller 78, 79, which always rests on the respective longitudinal side wall 61, 62.

At least two latches 82, 83 and 84, 85 are arranged on the longitudinal side walls 61 and 62 in the region of their upper edges 80 and 81, respectively, facing outwards.

FIG. 3 shows a side view of the locking device 1 according to the invention, in particular the working means 16 and 17, and the mold 63 placed on the workstation. Of the longitudinal side walls 61 and 62 arranged in the final formwork form, a second longitudinal side wall 62 in the foreground is shown in side view in FIG. Symmetrical to the median plane 92, the two working means 16 and 17 are arranged in the formwork corners between the two front side walls 88 and 89 and the second longitudinal side wall 62. The pivoting device 71 supporting the second longitudinal side wall 62 is not shown for clarity. The bottom 14 rests on two rows of rollers 66, 67, on which the mold 63 can be moved to another workstation after being filled with gas-concrete pulp. The row of rollers 66 is covered in FIG.

Both the bearings 93, 94 are located on the bottom 14 and the second longitudinal side wall 62, in which the pivot axis 65 of the pivotable second longitudinal side wall 62 is mounted. Each of the other side walls

The front side walls 88 and 89 are in each case in contact with the support roller 95, 96 by means of a pivotable outside. The support rollers 95, 96 are supported on respective pivotable units. the arms 97, 98, which are actuated by the operating elements 99, 100 of the respective holding devices

101. 102.

The second longitudinal side edges 81 are each resiliently disposed on the side at the side of the wall 62 to the front side walls 88 and the pins 103 and 104. The aperture in the wall 62 is in the region of the upper and the other edges. pivotally mounted on bearing brackets 83, 85 in which the respective bearing pin 103 is mounted. Preferably, it can be designed as a longitudinal bore, which in turn increases

Between the bearing pins 10 directed towards the central plane, a spring is always provided by the compressive forces exerted by the front side walls 88, 89 arranged both inside and in the mobility of the bolts 83 and 85.

2, 104 and the ends of the barriers 83 and 8.5 of the second longitudinal side wall 62 105, 106, the force of which counteracts the thrusts of the concrete reinforced by

These springs 105, 106 may be bolts 83, 85.

The other end of the latch 8 of the longitudinal side wall 62 and has a second claw shape beyond the short edge. The claw has a recess 107 which is open in a bevel facing downwardly and to the second longitudinal sidewall 62. At the end of the latch 85, a leading bevel 108 is also inclined downwardly and to the second longitudinal sidewall 62. the front side 109, which projects into the condition of the second front side recess 107. The resiliently loaded pin 109 forms a locking mouth with a short edge of the second longitudinal side wall 89, like wall 88, with a locking pin y, a second locking wall 111 is provided on the second, opposite side wall 62. A further locking device 111 belonging to the second longitudinal side wall 62 is disposed.

The blocking of the pivoting side walls with the axes of rotation arranged perpendicular to each other by means of the device according to the invention is carried out as follows.

Upon pivoting of the second front side wall 89 upwardly, the locking bolt 109 disposed laterally therethrough encounters a leading chamfer 108 of the bolt S5. As a result, the bolt 85 pivotally mounted on the bearing pin 104 is pivoted upward. Upon further pivoting of the second front side wall 89 upwardly and against the longitudinal side walls 61, 62, the locking bolt 109 engages in the recesses 107.

The bevel 107 of the recess 107 upon which the locking bolt 109 slides when locked is in a position parallel to the edge of the second longitudinal side wall 62 upon pivoting of the bolt 85. By actuating the lever arm 47 by the actuator 43, the end of the lever arm 47 provided with the roller at the end of the claw-shaped bolt 85 (as shown in the bolt 83.), the locking bolt 109 is snapped into the recesses 107.

In the same way as the locking device 110, another locking device 111 is provided as well as the locking device 112 and 113 belonging to the first longitudinal side wall 61.

After the blocking devices 110, 111, 112, 113 have been blocked in all four corners of the formwork,

63, which may be filled with a liquid gas-concrete pulp.

»With the aid of a suitable lubricant it is possible to seal existing gaps and notches between the side walls 61, 62, 88,

89 arranged perpendicular to each other. By filling with the crushed concrete until it is filled, the matured gas concrete drf can increase its volume up to the upper edges of the side walls 61, 62, 88, 89 and form the gas concrete cake. The overhanging portion of the gas-concrete cake is after a predetermined ripening period

- Ll cuts off. On the following concrete-concrete cake to the concrete cake, which means 110, 111, 112, 113, at the place where the mold 63 is known, the formwork is rigidly not unlocked

The two locking devices 1 of the side wall 61 are provided with reference numerals with arrows

2, 113. belonging to the first longitudinal. 3, but are indicated in FIG. 1.

At the workstation for the unlocking device 2, under the design of a locking device, the unlocking devices 2 are connected to a device according to an advantageously arranged between the mold locking device 63 and an inventive construction 1 according to the invention. Advantageously, the locking device 1 finds each other in a larger structure which is a cot.

IN"

For the sake of clarity, the same reference numerals are used for the same components. The essential components required for unlocking are also shown in side and front view, since the operating means of the unlocking device 2 as well as the operating means of the blocking device 1 are arranged symmetrically with respect to the mold bottom 14 on similar cross-members of the respective structure.

FIG. 4 illustrates the working means 114 of the crossbars 116, 117 of the crossbars 116, 117 with the side walls 88 and 89 outside the molds.

a side view of two of the four 115 needed, which are fastenings on the e 4 having a square profile, are in terms of the position of the front y 63.

The working means 114 with a part 118, 119 having a guide element 122, 123 which are preferably at an angle of about 45 ° to the walls 88, 89. The respective pa 115 are each provided with a sliding rail 120, 121 and inclined u vertically towards the front side slide element 122. 123 is then guided by the associated slider 118, 119 in the direction of the locking device 110, 111 in the region of the formwork corners. The unlocking actuators 124, 125 and the unlocking lever arms 126, 127 are rotatably mounted on both sliding elements 122, 123, and the unlocking actuator 124, 125 is rotatably mounted in the center of the unlocking lever arm 126, 127. an opening lever arm 128, 129 is arranged rotatably mounted thereon at one end thereof, to the center of which the opening operating element 130, 131 is rotatably attached, which is also rotatably mounted on the sliding element 122, 123.

The opening of the locking devices 110 and 111 begins such that, as shown on the locking device 111, the working means 114 and 115 approach from the outside to the corners of the formwork to such an extent that the unlocking lever arms 126, 127 reach below the respective leading bevels 108 of the barriers 83. For example, in Fig. 4, the unlocking lever arm 127 below the leading bevel 108 at the end of the claw shape of the bolt 85 engages the unlocking actuator 125. The unlocking actuator 125 is lifted by pulling the unlocking lever arm 127. the pin 109 slips out of the recess 107.

Due to the existing high adhesion of the gas-concrete cake to all side walls 61, 62, 88, 89, it is preferable that all these side-walls 61, 62, 88, 89 be folded away from the gas-concrete cake by machine. In this case, the opening lever arm 129 is pulled by the opening control element 131 from the interior of the mold 63 against the second front side wall 89, which is folded out while being supported by a pivoting device 132, which is for example stationary.

The same procedure is carried out on the first front side wall 88, for example also by a stationary pivoting device 133. The pivoting devices 132, 133 have the same design as the pivoting devices 90. 91 of FIG.

Since, between the longitudinal and the gas-concrete cake exi as in the case of the front side swabs, the respective working medium, the element 122. 123, the retainer comprises opening lever side walls 61, 62 which are pushed away from the mold 62 by the side walls 61, 62 of the mold 63. there is at least the same adhesion

88. 89. it is possible to arrange a component on the slide 114, 115. in particular, in which the longitudinal opening arm pivots outwardly and is folded out by the respective opening longitudinal side walls 61, 62.

In Fig. 5, in the fronts 134, 135, which have essentially the working means of unlocking the working means 134, arranged for hanging purposes, the side walls 61, 62 to the gas can be shown working means and the same embodiment as the other towing device 2. By means of these 135, which may also be conjunction, and hence according to the invention, the adhesion of the longitudinal tonal cake can also be overcome.

The working means 13 are connected to the crossbeam 136, which upper edges 80, 81 along the upper edge 8.0, 81 form the crossbeam 136 downwards.

135 are fixed at one end y can be folded up to the level of the side walls 61, 62, so that the lower folding movement limits

Working means 12 fixedly attachable to the adjuster r and longitudinal side walls 61. the opening lever arm 13S connected to the opening actuates the opening lever arm 12

Upon completion of the formwork, it will form the formwork along both sides

4, 135 comprise at least one currency 137. 138 arranged perpendicular to 62 on which it is rotatably mounted 140, to the center of which is a rotatable or element 141, 142 which

9, 140 rotates and adjusts them.

the front side walls 88, 89 of the side walls 61, 62.

By actuating the opening control elements 141, 142 one end of the opening lever arms 139, 140 is moved, which pushes the respective longitudinal side wall 61, 62 away from the gas-concrete cake.

Likewise, the longitudinal side walls 61, 62, like the front side wall 88, are folded away while being supported by the pivoting devices 143, 144.

Then the gas-concrete cake is ready for further processing.

Claims (9)

PATENTO Claims 0150Q A device for controlling blocking devices on a formwork for concrete, a cuboid form having top side walls which are essentially always protruding laterally to a bolt, characterized by a suspended structure (3). 4) in particular for aerated concrete, open and pivoted with locking means, including a pin on the front side wall, which engages in a recess associated with the provision of a locking device (1) and in particular with a structurally connected unlocking device (2) which can be positioned above the mold (63) and comprises working means (15, 16, 17, 18, 114, 115) by which the locking devices (110, 111, 112, 113) are operated . Device according to claim 1, characterized in that one of the workings of the locking device (1) is each between two relative to one another (61, 88; 62, 88; 61, 89; 62), characterized by means (15, 16, 17). 18) is arranged in the region of the formwork corner with side walls 89). Device according to claim 1 or 2, characterized in that the operating means (15, 16, 17, 18) of the locking device (1) are arranged in the inner region of the mold (63) in particular at an angle 4. Apparatus according to claim 18, comprising a hydraulic slide which is connected 30). Device according to claim 18, wherein said locking device (1) is about 45 'to the vertical. one of claims 1 to 3, finishing means (15, 16, 17, (19, 20, 21, 22), in particular with a sliding element (27, 28, 29), one of claims 1 to 4, finishing means (15, 16) , 17, are provided with at least one element (41, 45; 42, 46; 43, 47; 44, 48) for blocking the locking device (110, 111, 112, 113) and at least one element (53, 56; 54) 55) for holding the respective side wall, in particular the longitudinal side wall (61, 62) in a vertical state. Device according to one of Claims 1 to 5, characterized in that the unlocking device (2) is provided with working means (114, 115), each of which at least one element (125, 127; 124, 126) is adapted to unlock the locking device. the device (110, 111) and in each case at least one element (128, 130; 129, 131; 139, 141; 140, 142) is adapted to remove the side walls (88, 89, 61, 62). Device according to one of Claims 1 to 6, characterized in that the locking device (1) is connected to at least one pivot device (70, 71, 90, 91) of one side wall (61, 62, 88, 89). 62, 88, 89 75, 97) 77, 99, (61, 62, 76) Device according to one of Claims 1 to 7, characterized in that the pivoting device (70, 71, 90) 91, 132, 133, 143, 144) for the side wall (61) consists essentially of a pivot arm (74) movable by a controllable operating element 100), which is disposed in particular adjacent the side wall 88, 89) in the rolling region of the bottom (14) and, when the side walls (61, 62, 88, 89) are pivoted, in particular by means of at least one support roller (78, 79, 95); 96) at the other end of the pivot arm (74, 75, 97, 98) connected to the respective side wall (61, 62, 88, 89). Device according to one of Claims 1 to 8, characterized in that the connection between the locking device (1) or the unlocking device (2) and the pivoting devices (70, 71, 90, 91, 132, 133, 143, 144) The side walls (61, 62, 88, 89) are provided by signal lines between which the control unit is connected.