JPH0724476U - Mobile sorter - Google Patents

Abstract

(57) [Summary] [Purpose] It is to enable early detection when the object to be sorted is clogged so that it can be dealt with before the malfunction of the sieve body. [Structure] Hydraulic excavator arm (1) A sieve body 3 that is horizontally reciprocally movable is provided at the bottom of a device body A configured in a bucket shape that is attached to the tip, and the sieve body is horizontally reciprocated in the front-rear direction by a hydraulic drive mechanism 4 to excavate in the device body. Alternatively, in a moving type sorting device for sieving the scooped-up sorted objects, sieve holding plates 10 which are vertically installed at appropriate heights on both sides of the sieve body 3 are fixed and provided. A rolling roller 11 is axially supported on the upper portion of the inner surface of the holding plate, and a roller support rail 12 for rotatably engaging the rolling rollers on both sides is horizontally arranged in the front-rear direction below the outer surface of both side wall plates 8 of the apparatus main body. Prepare for sticking, and on both side roller support rails The sieve body is disposed at the bottom of the apparatus main body by suspending and supporting the above-mentioned both-side screen suspension plates via rolling rollers. This makes it possible to detect early when the object to be sorted is jammed in the rolling roller 11 that supports the sieve body 3 so as to reciprocate horizontally in the front-rear direction.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is a mobile type sorting machine that is attached to the arm end of a hydraulic excavator and is used for sieving various types of sorting objects at agricultural land development construction sites, boulders, gravel collection sites, or industrial waste treatment plants. The present invention relates to a structure for attaching a sieve body to the bottom of the device body of the device.

[0002]

[Prior art and its problems]

 Conventionally, as this type of sorting (sieving) device, a mobile sorting device described in Japanese Utility Model Publication No. 2-133481 filed earlier by the applicant of the present application is known. This conventional device is equipped with a connecting bracket that is detachably connected to the tip of the arm of a hydraulic excavator with pins, etc.A connecting bracket is provided at the top. The screen support rails mounted on the rolling rollers on both sides are fixed to both sides of the screen body over the entire length in the front-rear direction, and the screen body can be horizontally reciprocated in the front-rear direction at the bottom of the device body. It was arranged in. Therefore, in the conventional device, since the rolling roller that supports the sieve body horizontally reciprocally is built in the main body of the device, the rolling roller is short-termed due to repeated clogging due to collision or mixture of the objects to be sorted. It is difficult to maintain a stable horizontal reciprocating motion of the sieve body for a long period of time due to abrasion of the sieve body, and it is difficult to detect early such problems as the rotation of the rolling roller being dull due to the mixed objects to be sorted. In addition, defective operation of the sieve body occurs due to failure or damage of the rolling roller during the work, and it is necessary to repair it at the work site, and the sieve body does not move at all and cannot be used. There was a problem that it had to be interrupted at that time, which greatly affected work efficiency.

[0003]

[Problems to be solved by the device]

 The present invention has been made in view of such conventional circumstances, and it is a mobile type that enables early detection when the object to be sorted is clogged and can respond before the malfunction of the sieve body occurs. The purpose is to provide a sorting device.

[0004]

[Means for achieving the object]

 The technical means taken by the present invention to achieve the above object is to provide a horizontally reciprocating sieve body at the bottom of a bucket-like device body mounted on the tip of the arm of a hydraulic excavator. In a mobile sorter that sifts the objects to be sorted excavated or scooped into the main body by horizontally reciprocating in the front-rear direction by a hydraulic drive mechanism, at appropriate heights on both sides of the sieve body. A roller support rail is provided, which is fixedly provided with an upright sieve suspension plate, and a rolling roller is axially supported on the upper part of the inner surface of this sieve suspension plate, and the rolling rollers on both sides of this are slidably engaged. It is fixed to the lower part of the outer surface of both side wall plates of the main body horizontally in the front-rear direction, and the both side screen support plates are hung and supported by the roller support rails on both sides to distribute the screen body to the bottom of the device main body. Characterized by setting To. Further, a screen suspension frame is fixed to the lower part of the outer surface of both side wall plates of the main body so as to project downward, and a screen support roller which is directed inward is axially supported on the lower surface of the screen suspension frame at the lower parts of both sides. The both sides of the sieve body are supported on the both-side sieve support rollers, and the sieve body is arranged at the bottom of the apparatus main body.

[0005]

[Work]

 According to the above-mentioned technical means according to the first aspect of the present invention, the rolling rollers for supporting the sieve body in the front and rear directions so as to be horizontally reciprocally movable are provided on the outer surfaces of both side wall plates of the apparatus main body. When the object to be selected is clogged, it can be detected early because it is engaged with the roller support rail and is present outside the main body of the device. According to the second aspect of the technical means, a sieve supporting roller for horizontally reciprocating the sieve body in the front-rear direction is provided on the lower surface of the screen suspension frame provided on the lower outer surface of both side wall plates of the apparatus body. Be prepared to support both sides of the sieve body from below. That is, since the object to be sorted is present outside the main body of the apparatus, if the object to be sorted is clogged, it can be detected early.

[0006]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. FIGS. 1 to 3 show an embodiment of a mobile sorting apparatus according to the first claim, and the apparatus main body A is an arm of a hydraulic excavator (not shown). 1. A connecting bracket 2 that is detachably connected and attached by a pin or the like to the tip is provided in the upper wall. It has a well-known size and shape formed into a bucket shape in which the front and bottom are opened, and the sieve body is provided in the bottom opening. 3, a hydraulic drive mechanism 4 for horizontally reciprocating the sieve body 3 in the front-rear direction is provided at the rear portion, and an excavating blade (excavation claw) is provided at the bottom front end on the front opening side. ) 5, the hydraulic excavator can be moved to an appropriate place on the work site by self-travel, and after excavating or scooping the objects to be sorted, the hydraulic drive mechanism 4 horizontally reciprocates the sieve body 3 in the front-rear direction. , Eg farmland development Rocks raised drilling or scooped into the apparatus main body A in the civil engineering field site such as gravel, tree roots, have become as performing sieving operations gravel or the like these sorting objects.

The sieve body 3 is a frame that is formed to have a size along the periphery of the bottom opening of the apparatus main body A. The sieve frame 3a has a predetermined size determined in advance according to the size of the object to be sorted at the work site. It is formed by attaching perforated plates 3b with a large number of selection holes 6 of different hole diameters, which are perforated by bolts 7, and the sieve body 3 is attached to the bottom of the apparatus body A on both sides of the sieve frame 3a. Blocks 9 projecting outward from the lower end edges of both side wall plates 8 of the apparatus main body A are fixedly provided at front and rear positions of the apparatus main body, and a screen suspending plate 10 which is erected at a predetermined height on the front and rear blocks 9 on both sides is provided. It is fixedly installed, and the rolling rollers 11 are axially mounted on the upper surface of the inner surface of the screen suspension plate 10 so that the rolling rollers 11 on both sides of the rolling roller 11 are horizontally arranged on the lower portion of the outer surface of the side wall plate 8 of the apparatus main body A. In order to make it rollably engage with the roller support rail 12 having a substantially U-shaped cross section that is fixedly arranged. The screen suspension 3 is provided on both sides of the screen suspension plate 10 so as to be suspended from the bottom of the apparatus main body A and can be horizontally reciprocated in the front-rear direction by the rolling roller 11 provided on the screen suspension plate 10. (See FIG. 3).

A hydraulic drive mechanism 4 for horizontally reciprocating the sieve body 3 in the front-rear direction is a hydraulic motor 4a installed on the upper side of the rear wall of the apparatus main body A, and a connecting member such as a belt or a chain is connected to the hydraulic motor 4a. Similarly, a crank shaft 4c is rotatably connected to the lower portion of the rear wall in the widthwise direction via a bearing 12 and is axially attached to both crank arms (eccentric wheels) 13 of the crank shaft 4c. Equipped with a rolling roller 14, which is vertically engaged with the rolling roller 14 so as to be vertically reciprocally engaged and connected to the crankshaft 4c. It consists of guide frames 4d on both sides fixedly attached to the rear end frame of the sieve frame 3a, and the rotational power from the hydraulic motor 4a is transmitted to the crankshaft 4c by the connecting member 4b, and is provided to the crank arms 13 at both ends of the crankshaft 4c. The rolling roller 14 By vertically reciprocating in the guide portion 15 of the guide frame 4d and moving the guide frame 4d back and forth within the eccentric movement range of the crank arm 13, the sieve body 3 is moved in the front-back direction with an appropriate stroke and rotation speed. The objects to be sorted by horizontally reciprocating, for example, rocks, gravel, roots, earth and sand, rocks, gravel, roots, etc. excavated or scooped in the device body A at the civil engineering site such as agricultural land development construction site It is made to shake like rolling to make only the earth and sand smaller than the diameter of the selection hole 6 of the perforated plate 3b be sifted from the hole 6 onto the ground B. A protective cover is attached to the hydraulic drive mechanism 4 such as the hydraulic motor 4a and the crankshaft 4c to protect it from soil and sand.

In the figure, reference numeral 16 indicates that the apparatus body A is sieved on the ground B or as a falling object and piled up like a mountain on the ground B during the sieving work of the object to be sorted excavated or scooped in the apparatus body A. It is a supporting leg that functions to hold even the difference on the earth and sand, and is fixed to both side plates 8 of the apparatus main body A by welding or the like, and is made to project downward from the rear end of the bottom portion at a suitable height toward the lower surface of the rear surface. The leg portions 16a on both sides are integrally connected by a connecting member 6b including a connecting plate and a connecting shaft, and the lower end seating plate 16b 'of the connecting member 16b is placed on the ground B. The apparatus main body A is constructed so as to hold the difference at an appropriate height position.

Therefore, according to the movable sorting apparatus according to the first aspect of the present invention configured as described above, the rolling of the sieve suspension plate 10 in which the sieve body 3 is provided at the front and rear positions of both sides of the sieve frame 3a. The roller 11 is engaged with the roller support rails 12 provided at the lower part of the sea surface of both side wall plates 8 of the main body A of the apparatus to have a mounting structure which is arranged in a suspended manner at the bottom of the main body A of the apparatus. Since the rolling roller 11 supporting the horizontal reciprocating movement is located outside the main body A of the apparatus, the sorting target does not collide during the sieving work, and the sorting target is placed in the roller support rail 12. If it becomes clogged, it can be found immediately and removed before damaging the rolling roller 11.

FIGS. 4 to 5 show an embodiment of the movable sorting apparatus according to the second claim, and the basic constitution of the apparatus main body A and the sieve body 3 of such an embodiment is the same as that of the above-mentioned embodiment. Therefore, the same reference numerals are used for the same components and the description thereof will be omitted. Reference numeral 17 in the figure is a screen suspension frame for horizontally reciprocatingly supporting the sieve body 3 fixedly attached to the lower outer surface of both side wall plates 8 of the apparatus main body A to the bottom of the apparatus main body A via the sieve support roller 18. There is a support plate provided on the lower surface of the screen suspension frame 17 in the front-rear position with the screen support roller 18 directed inward and axially supported on both sides of the screen body 3 in the front-rear direction. By supporting 19 on the roller 18, the sieve 3 is arranged at the bottom of the apparatus main body A so as to be horizontally reciprocally movable. Then, the rear end side of the sieve body 3 is connected to the hydraulic drive mechanism 20 installed on the rear wall of the apparatus main body A and horizontally reciprocated by the hydraulic drive mechanism 20.

The hydraulic drive mechanism 20 is attached to a pair of support bodies 21 on both sides, which are fixed to the rear wall of the apparatus main body A so as to project rearward and downward at appropriate intervals, and are attached to the rear side of the apparatus main body A. It is the installed hydraulic motor 20a. The crank shaft 20c, which is provided by arranging a connecting member 20b such as a belt and a chain around the hydraulic motor 20a and rotatably laid between the two support bodies 21, It consists of a crank arm 20d in which one end is pivotally connected to both end crank arms (eccentric wheels) 22 and the other end is pivotally connected to the rear end side of the sieve body 3, and rotational power from the hydraulic motor 20a is connected to the member 20b. Is transmitted to the crankshaft 20c by the crankshaft 20c, and the eccentric movement of the crank arms 22 at both ends of the crankshaft 20c causes the crank arm 20d to move back and forth, causing the sieve body 3 to horizontally reciprocate in the front-rear direction as described above. Sieve There is a structure to perform the work. In the figure, 23 is a sieve support roller arranged above the lower ends of the pair of support bodies 21 on both sides, and the sieve support roller 23 supports the sieve support roller 23 by supporting both side edges of the sieve body 3 from below. It cooperates with 18 to support the sieve body 3 so that it can reciprocate horizontally.

Thus, according to the mobile sorter according to the second aspect configured as described above, the sieve body 3 is horizontally reciprocated in the front-rear direction similarly to the mobile sorter according to the first aspect described above. Since the sieve supporting rollers 18 and 23 that are supported in motion independently are located outside the apparatus main body A, the sorting target does not collide during the sieving work, and even when the sorting target is clogged. Can be quickly detected and removed before the sieve support rollers 18, 23 are damaged.

[0014]

[Effect of device]

 Since the mobile sorter of the present invention is constructed as described above, the rolling rollers that support the sieve body so that it can reciprocate horizontally in the front-rear direction are supported by rollers provided on the outer surfaces of both side wall plates of the main body of the device. Since it is engaged with a rail and is present outside the main body of the device, if the object to be sorted is clogged, it can be detected early. In addition, a sieve support roller that supports the sieve body horizontally reciprocally in the front-rear direction is provided on the lower surface of the sieve suspension frame provided under the outer surface of both side wall plates of the apparatus main body to support both sides of the sieve body from below. Let That is, when the object to be sorted is clogged, it can be found early because it is made to exist outside the main body of the device. Therefore, according to the mobile sorter of the present invention, the objects to be sorted do not collide with each other during the sieving work, and even if the objects to be sorted are clogged, they are promptly found and the rolling roller or sieve is used. It can be removed before damaging the support roller. Therefore, since it is possible to quickly respond to clogging of objects to be sorted before the malfunction of the sieve body occurs, the sieve body does not move at all and becomes unusable as in the past. Since it is possible to operate the sieve body under a stable horizontal reciprocating motion, there can be expected stable sieving work, and the work efficiency can be improved.

[Brief description of drawings]

1 is a side view showing an example of an embodiment of a mobile sorter according to the first claim of the present invention, showing a part in section.

[Figure 2] Rear view of the same

FIG. 3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a side view showing an example of an implementation of a mobile sorting device according to a second aspect of the present invention, with a part thereof shown in section.

[Figure 5] Rear view of the same

[Explanation of symbols]

A ... Device body 1 ... Excavator arm 3 ... Sieve body 4, 20 ... Hydraulic drive mechanism 10 ... Sieve holding plate 11 ... Rolling roller 12 ... Roller support rail 17 ... Sieve holding frame 18 ... Sieve support roller

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Creator Mitsuyoshi Taguchi 11 Toyoba Nishinocho, Toyoyama-cho, Nishikasugai-gun, Aichi

Claims (2)

[Scope of utility model registration request] 1. A hydraulic excavator is equipped with a sieve body at the bottom of a device body which is attached to the tip of an arm of the hydraulic excavator and is configured to be horizontally reciprocable. The sieve body is horizontally reciprocated in the front-rear direction by a hydraulic drive mechanism. In a mobile sorting device for sieving the objects to be sorted that have been excavated or scooped in the body of the device, fixedly equipped with a screen suspension plate that is erected at an appropriate height on both sides of the sieve body, and The upper part of the inner surface of this screen suspension plate is provided with rolling rollers, and roller support rails for rollingly engaging the rolling rollers on both sides are horizontally arranged in the front-rear direction below the outer surfaces of both side wall plates of the apparatus main body. A mobile sorter, which is fixedly provided, in which the both-side roller support rails are suspended and supported by the both-side screen suspension plates via rolling rollers, and a sieve body is disposed at the bottom of the apparatus main body. 2. A sieve body is provided at the bottom of a bucket-like device body mounted on the tip of an arm of a hydraulic excavator so as to be horizontally reciprocable, and the sieve body is horizontally reciprocally moved in the front-rear direction by a hydraulic drive mechanism. In a mobile sorter that screens the objects to be sorted that have been excavated or scooped in the main body of the equipment, a sieve suspension frame is fixed to the lower outer surface of both side wall plates of the equipment main body so as to project downward, The lower surface of the screen suspension frame of the above is equipped with inwardly supported sieve support rollers, and both side edges of the sieve body are placed on the both side sieve support rollers to dispose the sieve body at the bottom of the apparatus main body. A mobile sorter characterized in that