SU961977A1 - Apparatus for removing production waste of concrete mix - Google Patents

Description

(54) DEVICE FOR CLEANING INDUSTRIAL WASTE OF CONCRETE MIX

one

The invention relates to construction and can be used in processing lines for the manufacture of building products.

A device for cleaning spills, for example, from the conveyor space, contains carts installed in the guide grooves with scrapers that interact with the drive cable 1.

The presence of a large number of scrapers, the lack of elastic contact with the surface being cleaned reduces the efficiency of the device in operation, increases its intensity and contributes to considerable noise in the work, taK as it has an increased vibro-acoustic ability.

The closest to the proposed technical result and the achieved result is a device for cleaning industrial waste of concrete mix, including a transporting organ installed in guides in the form of a chain with scrapers fixed with constant step 2.

The specified device cannot provide effective removal from the sub-bottoms

podkassettnogo space production waste from the concrete mix, hardened pieces of concrete, the so-called "stalactites, lubricants and other debris, as there is no proper elastic contact for the scraper mounted on the chain with the bottom of the sub. In addition, the presence of only one type of scrapers (metal) creates an intense wear of the hearth and does not exclude the possibility of gaps in the work (they remain on the floor of dirty drains and lubricants). The scrubbers themselves, reinforced on a flexible traction organ chain, have the opportunity to be squeezed (virtually moved) when meeting with "stalactites - hardened particles of concrete - and" bend around them,

15 which reduces the quality of cleaning, and the presence of a large number of scrapers installed with a certain pitch, creates (besides the above-mentioned noise effect) increased metal intensity of the device.

20 The purpose of the invention is to increase the efficiency of the device.

The goal is achieved by the fact that a device for cleaning industrial waste of a concrete mix, including a transporting body installed in guides, in the form of a chain with scrapers fixed with constant pitch, is equipped with a trolley, in the middle part of the frame of which the guides are fixed, having a pressing mechanism, fixed at the corners of the cart with racks and mounted on each rack in the upper and lower parts in parallel with the two-armed rocker arms, hingedly connected to each other Tsam using converging yoke below the lower pushers, the scrapers are made of two parallel plates of an elastic and resilient material, wherein the lower edge of the plate of elastic material is arranged technological gap relative to the surface of the guide chain. Each shoulder of the upper rocker exceeds the corresponding shoulder of the lower rocker. The point of connection of the upper arm with the stand is located below the hinges connecting the upper arm with the latches, and the point of connection of the lower arm with the bar is above the hinges connecting the lower arm with the pushers. Each stand has an adjustable stop. One of the arms of the upper rocker is spring-loaded, and the other with the ability to interact with the stop. The mandrel has an I-beam scraper that interacts with the pressing mechanism, which is made in the end of the breaking arm, which is spring-loaded at the break point. In FIG. 1 shows the device, a general view; in fig. 2 is a view along arrow A in FIG. 1 (transport carriage in the plan); in fig. 3 is a section BB in FIG. 2 (transport cart, side view); in fig. 4 — node I in FIG. 3; in fig. 5 is a view along arrow B in FIG. 4 (location and attachment of the metal scraper); in fig. 6 is a view along arrow G in FIG. 4 (location and mounting elastic scraper); in fig. 7 - section DD in FIG. four; in fig. 8 is a section of the EE of FIG. 4 (mounting and construction of the welded base - racks with rocker arms); in fig. 9 is a view along arrow G in FIG. 4; in fig. 10 - diagram of the process of work scrapers; in fig. 11 — node I in FIG. 3, kinematic scheme. The device for cleaning industrial waste consists of the cassettes 2 located below in the special channel 1 (Fig. 1), the trolley 3 (Figs 2 and 3), based on its support 4 and centering 5 rollers nq channel-guides 6, laid parallel to to the bottom 7 of the under cassette space 8. In the end parts of the frame 9 of the specified trolley 3, the drivers 10 are pivotally fixed, interacting with the pull cable block system 11 equipped with a drive 12. In the same end parts of the frame 9 of the trolley 3 with the help of eyelets 13 the bases are fixed done ne in the form of welded racks 14 (Fig. 4 and 8). In the upper and lower parts of the uprights 14 on the hinge pores 15 and 16, the upper 17 and lower 18 rocker arms are installed, pairwise rigidly connected and parallel (Fig. 8), at the ends of the arms of which with the help of axes 19 and 20 the pushers 21 are reinforced, one of which (outer) reinforced sheet blade 22. In order to improve the power characteristics of the indicated lever-hinge system and resolution, its shoulders of the upper actuating arm 17 are exceeded (2 times) by the shoulders of the lower supporting and orienting rocker 18. one lower ends of the pushers 21 reinforced mandrels 23 (Fig. 5 and 6), containing respectively parallelly located at a distance K (K 2-3 mm) one another from the other 24 (made of used conveyor belt) and metal fender 25 scrapers (scrapers). To provide the required trajectory of movement of the scrapers 24 and 25, the point 15 (support) of the hinged joint of the upper larger rocker arm 17 with the stand 14 is located below the axes (hinges) 19, the connecting arm is the rocker arm with the pushers 21, and the point (support) 16 of the lower smaller joint rocker 18 with stand 14 - above the hinges (axes) 20, connecting them is a rocker with pushers 21. Moreover, in a hole made in the right side of the bracket 26 (Fig. 7) of rack 14, there is a bolt 27 constantly pressed down by a spring 28 and interacting through the axis 19 with the right shoulder top its rocker arms 17 so that a constant elastic contact (via the corresponding pusher 21) of an elastic scraper 24 with a subdivision 7 of the cassette space 8 and a guaranteed (adjustable) clearance e between the bottom 8 and the working edge (so-called peg) of the metal scraper 25 (e 3- 5 mM). At the other (left) end of the same element 26 of the rack 14, an adjusting thrust bolt 29 is installed in the threaded hole, the interaction of which item 30 with the axis 19 (Fig. 9) restricts the rotation of the rocker arm 17 counterclockwise and, accordingly, the downward movement of the metal scraper 25 ( in order to exclude the occurrence of forced insertion of a metal scraper as a breaker element in the sub-bottom of the under cassette space). In the middle part of the frame 9, the carriage 3 is reinforced with guides 31 (Figs. 2 and 3).

with a longitudinal mandrel 32 located therein, having a 1-shaped duplicating elastic scraper 33 and interacting with an elastic pressing mechanism made in the form of a slamming arm with shoulder elements 34 and 35 hingedly fixed with free ends on axis x 36 in frame 9 and 37, respectively the mandrel 32 and preloaded by the spring 38 at the point of fracture.

At the end points of the under cassette space 8 are located near the bridge, overlapping by grates 39 with containers 40 installed under them for centralized collection of waste concrete.

The device works as follows.

When accumulated on cassette 7 of the under cassette space 8, concrete mixes formed during filling of the cassette compartments, as well as particles of hardened concrete, spilling during cleaning of the mirror of the cassette sheets, include a drive 12 (two-drum winch) of the cable-blocking system 11, allowing the trolley 3 to move rollers 4 and 5 along the guide channels 6. The cart, moving, for example, to the right, is constantly in elastic contact with elastic scrapers 24 and 33 with the bottom-bottom 7. These scrapers, together with the blade 22, continuously concentrate The spillage of concrete mass separated from the hearth 7 is transported in front of itself and transported (Fig. 4). If there are 7 concrete local masses that are strongly adhered to the bottom (for example, they have had time to harden and wrinkle the wet concrete mix with it), they act like a wedge between the bottom 7 and the elastic scraper 24 that runs on them upward (Fig. I, position I , Fig. 10 b), overcoming the force of the spring 28. At the same time, the right pusher 21, acting on the corresponding arm of the rocker arm 17, turns it on the hinged support 15, moving the axis 19 of the right (shoulder) pusher 21 up and to the left at the same time (Fig. And position III), and the right pl The lower lower beam 18, which pivots on the support 16, moves the axis 20 of the fastening of the same pusher up and to the right simultaneously (Fig. 11, position III).

Such a ratio of the arms of the rocker arms and their arrangement in space also ensures the movement of the pushers 21 containing the blade 22, in which the elastic scraper 24 goes up and to the right (Fig. 11, position I), freeing its workplace to the air scraper 25. At the same time the kinematic process moves the left pushers 21 so that the metal scraper 25 (Fig. 11, position I) moves down and to the left (by values of e

And K), occupies a working position corresponding to the one in which the elastic scraper 24 had been previously located. Go in contact with strongly adhered to the bottom 7 and the concrete that has hardened (which

the elastic scraper is not able to be removed), the metal scraper 25 with its working edge (caulk) destroys the solid particles of the concrete mass (Fig. 10), i.e. the metal scraper 25 works as a baffle tool (ripper and plow).

0 Moreover, destroying (or shifting) the hardened particles of concrete, the metal scraper instantly returns to its previous position, and the elastic scraper 24 enters into work, elastically contacting the hearth 7. Vertical stroke of the metal scraper 25 and

5, the force of pressing it to the hearth 7 (as well as the force of pressing the elastic scraper to the hearth) can be adjusted by bolt 27 (limiting the amplitude of the swing of the rocker arm 17 in the counterclockwise direction) and

0 spring 28.

Possible local misses of spillage (at the time of the change of work of the scrapers) are picked up and transported by a duplicate middle I-shaped elastic scraper 33, the shape of which eliminates lateral leakage of the spillage, and its pressing mechanism, made in the form of a slamming lever with shoulder elements 34 and 35, which, being in a position close to the so-called 0 “thrust, even under the action of relatively weak springs 38, ensure proper force contact of the scraper 33 with the hearth 7.

Thus collected by workers

5 by the bodies 24, 25 and 33 of the moving carriage 3, the prospect material is transported to one of the end points, through the grate 39 of which the working scraper body 24 begins to slide and the collected technological waste falls into it 40 bones. As soon as the middle elastic scraper 33 begins to slide along the grate 39, the drive 12 of the cable block system 11 is turned off by a limit switch with which the carriage 3 comes in contact, and

5, its movement stops. If necessary (as spillage accumulates), the cycle is repeated by turning the drive 12 on the reverse, and the carriage 3 moves in the opposite direction.

Claims (2)

The proposed device ensures the selective operation of the bumping body of the metal scraper, i.e. it interacts with the bottom-bottom of the under cassette space only in the presence of strongly adhered (adhered) elements of the hardened concrete mass that are not able to remove the elastic working body. This contributes to better and more efficient cleaning. eliminates premature wear of the hearth, while reducing the vibro-acoustic activity of the device during operation. With a long break in the cleaning cycle of the cassette space, when a large number of particles (spillages) of the concrete gripping the bottom of the concrete are accumulated on its bottom, the device automatically adjusts itself to the mode of operation by a metal fender tool, Invention Formula I. Concrete production waste cleaning device a mixture comprising a transporting body installed in guides in the form of a chain with scrapers fixed with a constant step, characterized in that, in order to increase performance, it is equipped with a trolley, in the middle part of the frame of which there are fixed rails with a mandrel located in them, having a pressing mechanism, racks fixed at the corners of the trolley and mounted on each rack in the upper and lower parts parallel to the two-arm rocker arms hinged along the ends using the pushers converging under the lower arm, the scrapers are made of two parallel plates of elastic and elastic materials, with the lower edge of the plate made of elastic Container material is disposed on otnots1eniyu technological gap to the surface of the guide chain. 2. The device according to claim 1, characterized in that each shoulder of the upper rocker exceeds the corresponding shoulder of the lower rocker. 3. A device according to claim I, characterized in that the point of connection of the upper rocker with the stand is located below the hinges connecting the upper beam to the pushers, and the point of connection of the lower rocker arm with the stand is higher than the hinges connecting the lower beam with the pushers. 4. The device according to claim 1, characterized in that each rack has an adjustable stop, one of the arms of the upper rocker is spring-loaded, and the other with the ability to interact with the rack support. 5. The device according to claim 1, characterized in that the mandrel has an I-beam scraper, which interacts with the pressing mechanism, which is made in the form of slamming levers, spring-loaded at the point of fracture. Sources of information taken into account during the examination 1. USSR author's certificate No. 501946, cl. B 65 G 45/00, 1972. 2. USSR author's certificate number 420465, cl. At 28 At 17/00, 1973. ////////////////// ///. / //////////// // V // //// f / di b T (Rig. 5 in - B c. 56 d J8 / / H. //////// type G Srig. / 6 I HER / 7 Srig. fO