Ore loading and unloading grab bucket for wharf

Abstract

The utility model belongs to the field of ore loading and unloading, and particularly relates to an ore loading and unloading grab bucket for a wharf. Rotating shafts are rotationally connected to the two sides of the bottom of the stand column, hydraulic cylinders are hinged between the rotating shafts and the side wall of the top of the stand column, and bucket shovels are fixedly connected to the rotating shafts; a plurality of inserting grooves are formed in the bottom of the bucket shovel, inserting plates are connected into the inserting grooves in a sliding mode, the inserting plates and the bucket shovel are detachably connected through bolts, and shovel plates are fixedly connected to the ends of the inserting plates. The inserting plates on the side faces of the shovel plates are inserted into the inserting grooves and detachably connected through bolts, when the shovel plates are seriously abraded, the shovel plates can be replaced, and therefore the bucket can be normally used conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to ore loading and unloading field, concretely is a wharf ore loading and unloading grab. BACKGROUND

[0002] Grab is the special tool of crane to grab dry bulk cargo, and relies on the opening and closing of bucket to carry out automatic loading and unloading.

[0003] At present, in the prior art, the grab is mainly composed of a stand column supported in the middle, hydraulic cylinders installed on both sides of the stand column, and bucket shovels rotatably connected to both sides of the bottom of the stand column through a rotating shaft, wherein the bucket shovels are driven to rotate by the hydraulic cylinders to open and close, so as to grab the ore.

[0004] However, when the grab is used for a long time, the bottom of the bucket shovel is rubbed against the sandstone, which easily causes the front end of the bottom of the bucket shovel to be damaged. UTILITY MODEL CONTENT

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art, the utility model provides a wharf ore loading and unloading grab.

[0006] The utility model adopts the technical scheme that the utility model discloses a wharf ore loading and unloading grab, including the stand column, the bottom both sides of the stand column are rotatably connected with the rotating shaft, the rotating shaft and the stand column top lateral wall are hinged with the hydraulic cylinder, the rotating shaft is fixedly connected with the bucket shovel, the bottom of the bucket shovel is provided with a plurality of slot, the slot is slidably connected with the plugboard, the plugboard and the bucket shovel are detachably connected through the bolt, the end of the plugboard is fixedly connected with the shovel plate, the front end of the bottom of the bucket shovel is replaced with the shovel plate, the shovel plate is contacted and abraded with the sandstone, the plugboard on the side of the shovel plate is inserted into the slot, and is detachably connected through the bolt, when the shovel plate is seriously abraded, it can be replaced, so that the grab bucket can be conveniently used normally.

[0007] Preferably, the bottom of the shovel plate is fixedly connected with a plurality of connecting blocks, the connecting blocks are slidably connected with a plurality of shovel teeth, a plurality of pin holes are formed in the connecting blocks and the shovel teeth, and a plurality of pin shafts are installed in the pin holes.

[0008] Preferably, the two sides of the stand column are fixedly connected with a plurality of supporting arms, one end of the supporting arm away from the stand column is fixedly connected with a horizontal rod, a plurality of first atomizing nozzles are fixedly connected to the bottom of the horizontal rod, a plurality of soft tubes are fixedly connected to the horizontal rod, water is injected into the spray pipe by a water pump, and then the water flow is sprayed from the first atomizing nozzles, so that the water mist is sprayed on the top of the grab, the water mist is covered above the grab, and the effect of inhibiting dust raising is achieved.

[0009] Preferably, the spray pipe comprises an outer pipe and a plurality of cross pipes, the outer pipe is arranged in a rectangular structure, the cross pipes are fixedly connected inside the outer pipe, the first atomizing nozzle is fixedly connected at the bottom of the cross pipe and the outer pipe, a plurality of second atomizing nozzles are fixedly connected on the outer pipe and the cross pipe, and the second atomizing nozzles are arranged in an inclined manner.

[0010] Preferably, the bottom of the cross rod is provided with a metal mesh cover, and the spray pipe is located inside the metal mesh cover, so that the metal mesh cover can intercept the sand and gravel and protect the spray pipe when the grab bucket works and the sand and gravel splash and bump the spray pipe.

[0011] Preferably, a plurality of through holes are formed in the cross rod, a fixing column is slidably connected inside the through hole, a clamping groove is formed in the fixing column, the bottom end of the fixing column is fixedly connected with the metal mesh cover, and a clamping plate is slidably connected to the top of the cross rod.

[0012] The utility model discloses a beneficial effect lies in:

[0013] 1. The utility model discloses a plug -in board, shovel board and bolt are set up, when using, the front end of the bottom of the bucket shovel is replaced as shovel board, and the shovel board is contacted with sand and gravel and is abraded, and the plug -in board of the side of shovel board inserts into the slot, and is detachably connected through the bolt, when the shovel board is abraded seriously, it can be replaced, thereby can conveniently use the bucket shovel normally.

[0014] 2. The utility model discloses a spray pipe, first atomizing nozzle and hose are set up, when loading and unloading sand and gravel, it will produce dust, and the dust problem of construction site is serious, through welding the branch and cross rod on the upright of the top of bucket shovel, the hose is connected with external water pump, relies on the water pump to inject clean water to the spray pipe, and then the water flow is sprayed from the first atomizing nozzle, so as to spray the water mist on the top of grab bucket, and the water mist is covered above the grab bucket, thereby play the role of inhibiting the dust. ACCURATE DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is the spray pipe structural schematic diagram of the utility model;

[0018] Figure 3The utility model discloses a card board structure schematic view.

[0019] Figure 4 The utility model discloses a bucket structure schematic view.

[0020] Figure 5 The utility model discloses a bucket sectional structure schematic view.

[0021] In the drawing: 11, stand; 12, bucket; 13, hydraulic cylinder; 14, plugboard; 15, shovel plate; 21, shovel tooth; 22, connecting block; 31, support arm; 32, cross bar; 33, hose; 41, outer tube; 42, cross tube; 43, first atomizing nozzle; 44, second atomizing nozzle; 5, metal mesh cover; 61, through hole; 62, fixed column; 63, card board; 7, spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0023] The specific embodiments are given below.

[0024] Please refer to Figure 1 、 4 -5, a wharf ore loading and unloading grab, including stand 11, the bottom both sides of the stand 11 are rotatably connected with the pivot, the pivot and the top side wall of stand 11 are hinged with hydraulic cylinder 13, the pivot is fixedly connected with bucket 12, the bottom of bucket 12 is provided with a plurality of insertion slot, the insertion slot is slidably connected with plugboard 14, the plugboard 14 and bucket 12 are detachably connected by bolt, the end of plugboard 14 is fixedly connected with shovel plate 15, the bottom of shovel plate 15 is fixedly connected with a plurality of connecting blocks 22, the connecting block 22 is slidably connected with shovel tooth 21, a plurality of pin holes are formed in the connecting block 22 and shovel tooth 21, and pin shafts are installed in the pin holes.

[0025] In use, the front end of the bottom of bucket 12 is replaced by shovel plate 15, shovel plate 15 is in contact with sandstone and is abraded, plugboard 14 on the side of shovel plate 15 is inserted into the insertion slot and is detachably connected by bolt, when shovel plate 15 is severely abraded, it can be replaced, so that the grab bucket can be conveniently used normally, shovel tooth 21 of the bottom clamp jaw of shovel plate 15 can be conveniently inserted into the inside of sandstone, shovel plate 15 can be slidably pulled out of connecting block 22, and shovel tooth 21 and connecting block 22 are fastened by pin shafts, so that shovel tooth 21 can be conveniently replaced.

[0026] Further, as shown in Figures 1-3 The two sides of the column 11 are fixed with a support arm 31, and the end away from the column 11 of the support arm 31 is fixed with a crossbar 32. The bottom of the crossbar 32 is provided with a spray pipe, and the bottom of the spray pipe is fixed with a plurality of first atomizing nozzles 43. The spray pipe is fixed with a hose 33. The spray pipe comprises an outer pipe 41 and a plurality of cross pipes 42. The outer pipe 41 is arranged in a rectangular structure. The cross pipes 42 are fixed inside the outer pipe 41. The first atomizing nozzles 43 are fixed at the bottom of the cross pipes 42 and the outer pipe 41. A plurality of second atomizing nozzles 44 are fixed on the outer pipe 41 and the cross pipes 42. The second atomizing nozzles 44 are arranged obliquely.

[0027] When loading and unloading sand and gravel, dust is generated, causing serious dust problems at the construction site. The support arm 31 and the crossbar 32 are welded on the column 11 at the top of the bucket 12. The hose 33 is connected to an external water pump. The water pump injects clean water into the spray pipe. The water flows out of the first atomizing nozzles 43 to spray water mist on the top of the grab bucket. The water mist covers the top of the grab bucket, thereby playing a role in suppressing dust. The spray pipe is composed of the outer pipe 41 and a plurality of cross pipes 42 welded in the middle of the outer pipe 41. The first atomizing nozzles 43 vertically downward spray to block dust from escaping outward. The second atomizing nozzles 44 are arranged obliquely to cover the top of the grab bucket.

[0028] Further, as shown in Figure 4 The bottom of the crossbar 32 is provided with a metal mesh cover 5, and the spray pipe is located inside the metal mesh cover 5. A plurality of through holes 61 are formed in the crossbar 32. The fixed columns 62 are slidably connected inside the through holes 61. The fixed columns 62 are provided with clamping grooves. The bottom ends of the fixed columns 62 are fixed with the metal mesh cover 5. The top of the crossbar 32 is slidably connected with the clamping plate 63. During the operation of the grab bucket, the sand and gravel may splash and bump against the spray pipe. The metal mesh cover 5 can play a role in intercepting sand and gravel, thereby protecting the spray pipe. The fixed columns 62 above the metal mesh cover 5 penetrate through the through holes 61. The clamping plate 63 is inserted into the clamping grooves on the fixed columns 62 to fix the metal mesh cover 5. The above detachable structure can facilitate the replacement of the deformed and recessed metal mesh cover 5.

[0029] Further, as shown in Figure 4 The side of the clamping plate 63 close to the crossbar 32 is fixed with a spring 7. The end of the spring 7 away from the clamping plate 63 is fixed with the side wall of the crossbar 32. In use, the spring 7 pushes the clamping plate 63, thereby fixing the clamping plate 63 and the fixed columns 62, thereby reducing the falling of the fixed columns 62.

[0030] The working principle is that in use, the front end of the bucket shovel 12 is replaced by the shovel plate 15, the shovel plate 15 is in contact with the sandstone and is worn, the side plate 14 of the shovel plate 15 is inserted into the insertion slot and is detachably connected through bolts, when the shovel plate 15 is seriously worn, it can be replaced, so that the bucket shovel can be conveniently used normally, the shovel teeth 21 of the clamping jaw at the bottom of the shovel plate 15 can be conveniently inserted into the inside of the sandstone, the shovel plate 15 can be pulled out of the connecting block 22, the shovel teeth 21 and the connecting block 22 are fastened through the pin shaft, so that the shovel teeth 21 can be conveniently replaced, when the sandstone is loaded and unloaded, dust is generated, which causes the dust problem of the construction site to be serious, the support arm 31 and the cross rod 32 are welded on the vertical column 11 at the top of the bucket shovel 12, the hose 33 is connected with the external water pump, the water pump is used to inject clean water into the spray pipe, then the water flow is sprayed from the first atomizing nozzle 43, so that the water mist is sprayed on the top of the grab bucket, the water mist is covered above the grab bucket, so as to play a role in inhibiting dust, the spray pipe is composed of the outer pipe 41 and the plurality of cross pipes 42 welded in the middle of the outer pipe 41, the first atomizing nozzle 43 vertically downwardly sprays to block the dust from escaping outward, the second atomizing nozzle 44 obliquely arranged is used to staggered spray to cover above the grab bucket, in the process of the operation of the grab bucket, the sandstone may splash and bump the spray pipe, the metal mesh cover 5 is arranged to play a role in intercepting the sandstone, so as to protect the spray pipe, the fixed column 62 above the metal mesh cover 5 penetrates through the through hole 61, then the clamping plate 63 is inserted into the clamping groove on the fixed column 62, so as to fix the metal mesh cover 5, the detachable structure is arranged, so that the deformed and recessed metal mesh cover 5 can be conveniently replaced.

[0031] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The basic principle, main features and advantages of the present application have been shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, the above embodiments and descriptions in the specification are only to illustrate the principle of the present application, without departing from the spirit and scope of the present application, the present application can have various changes and improvements, these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A port ore loading and unloading grab bucket, comprising a column (11); both sides of the bottom of the column (11) are rotatably connected with a rotating shaft, a hydraulic cylinder (13) is hinged between the rotating shaft and the top side wall of the column (11), and a bucket shovel (12) is fixedly connected on the rotating shaft; characterized in that: The bottom of the bucket shovel (12) is provided with a plurality of slots, the slots are slidably connected with the plug-in plate (14), the plug-in plate (14) and the bucket shovel (12) are detachably connected by bolts, and the end of the plug-in plate (14) is fixedly connected with the shovel plate (15).

2. A port ore handling grab according to claim 1, characterised in that: The bottom of the shovel plate (15) is fixedly connected with a plurality of connecting blocks (22), the connecting blocks (22) are slidably connected with the shovel teeth (21), a plurality of pin holes are formed in the connecting blocks (22) and the shovel teeth (21), and pin shafts are installed in the pin holes.

3. A port use ore handling grab according to claim 1, characterized in that: The two sides of the stand column (11) are fixedly connected with the supporting arms (31), one end of the supporting arms (31) away from the stand column (11) is fixedly connected with the cross rod (32), the bottom of the cross rod (32) is provided with the spraying pipe, the bottom of the spraying pipe is fixedly connected with a plurality of first atomizing nozzles (43), and the spraying pipe is fixedly connected with the hose (33).

4. A port ore handling grab according to claim 3, characterised in that: The bottom of the cross rod (32) is provided with the metal mesh cover (5), and the spraying pipe is located in the metal mesh cover (5).

5. A port ore handling grab according to claim 3, characterised in that: The spraying pipe comprises an outer pipe (41) and a plurality of transverse pipes (42), the outer pipe (41) is arranged in a rectangular structure, the transverse pipes (42) are fixedly connected in the outer pipe (41), the first atomizing nozzles (43) are fixedly connected to the bottom of the transverse pipes (42) and the outer pipe (41), a plurality of second atomizing nozzles (44) are fixedly connected to the outer pipe (41) and the transverse pipes (42), and the second atomizing nozzles (44) are arranged in an inclined manner.

6. A port ore handling grab according to claim 4, characterised in that: A plurality of through holes (61) are formed in the cross rod (32), the fixed columns (62) are slidably connected in the through holes (61), the fixed columns (62) are provided with clamping grooves, the bottom ends of the fixed columns (62) are fixedly connected with the metal mesh cover (5), and the top of the cross rod (32) is slidably connected with the clamping plate (63).

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