Central transmission mud scraper

Abstract

The utility model discloses a center transmission mud scraper, which belongs to the technical field of center transmission mud scrapers and comprises a working bridge, a motor is mounted at the upper end of the working bridge, a rotating shaft is rotatably connected to the lower end of the working bridge, and two pairs of connecting rods are fixedly connected to the outer end of the rotating shaft. First mud scraping plates are arranged on the outer sides of the two pairs of connecting rods, first dismounting and mounting mechanisms are mounted between the first mud scraping plates and the pair of connecting rods, a pair of fixing frames are fixedly connected to the outer end of the rotating shaft, and the outer ends of the pair of fixing frames are sleeved with connecting columns; according to the utility model, the first mud scraping plate and the second mud scraping plate can be driven by the first dismounting and mounting mechanism and the second dismounting and mounting mechanism in a threaded connection manner for convenient dismounting, and when the first mud scraping plate and the second mud scraping plate collide with hard sludge, the mud scraping plates are not easy to loosen, and good mounting stability is still kept; and compared with a spring clamping mode, the device is firmer and more stable, and the fixing and mounting effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to center drive mud scraper technical field, more specifically, relate to a center drive mud scraper. BACKGROUND

[0002] Center drive mud scraper passes through the transmission of reduction drive and suspension assembly, and mud is scraped to the center mud collecting groove by the scraper, and is discharged outside the pool by static water pressure or pump. The intermediate water inlet and mud discharge, and the peripheral drainage are adopted to ensure uniform water flow.

[0003] For example, the center drive mud scraper disclosed in the patent No. CN220194071U comprises a sedimentation tank, the bottom surface of the sedimentation tank is provided with a central mud collecting cylinder, the outer surface of the central mud collecting cylinder is fixedly connected with a mud discharge pipe, the outer surface of the mud discharge pipe is provided with a valve, the upper surface of the sedimentation tank is provided with a working bridge, and the upper surface of the working bridge is provided with a motor. Through the cooperation of the sedimentation tank, the central mud collecting cylinder, the mud discharge pipe, the valve, the working bridge, the motor, the rotating shaft, the supporting strip, the insertion frame, the insertion strip, the clamping assembly and the mud scraping plate, the motor can drive the rotating shaft to rotate, so that the mud scraping plate can rotate on the inner bottom wall of the sedimentation tank, the mud deposition on the inner wall of the sedimentation tank can be scraped conveniently, the clamping assembly is used to facilitate the disassembly of the mud scraping plate, when the mud scraping plate is damaged, the device can facilitate the installation and disassembly of the mud scraping plate, and the working efficiency of the mud scraper during maintenance can be improved.

[0004] The above-mentioned scheme has the following defects in the use process:

[0005] The installation and disassembly of the mud scraping plate are realized by the spring clamping mode, and the accumulated sludge in the sedimentation tank is hardened into hard blocks. When the mud scraping plate encounters the hard sludge, the mud scraping plate is prone to shaking after colliding with the hard sludge due to the insufficient stability of the spring clamping mode, which causes the spring clamping to loosen and affects the installation stability of the mud scraping plate. Therefore, it is urgent to improve the structure of the center drive mud scraper to improve the equipment.

[0006] Therefore, the utility model provides a center drive mud scraper. UTILITY MODEL CONTENTS

[0007] 1. Technical problem to be solved

[0008] In view of the problems in the prior art, the utility model aims at providing a center drive mud scraper, which can realize convenient disassembly of the first mud scraping plate and the second mud scraping plate through the threaded connection of the first disassembly mechanism and the second disassembly mechanism, and is not prone to loosening when the first mud scraping plate and the second mud scraping plate collide with the hard sludge, and still maintains good installation stability. Compared with the spring clamping mode, the threaded connection is more stable and firm, and has good fixing and installation effects.

[0009] 2. Technical solutions

[0010] To solve the above problems, the utility model adopts the following technical scheme.

[0011] A center drive mud scraper, including work bridge, the upper end of work bridge is installed motor, the lower end of work bridge is rotatably connected with rotating shaft, the outer end of rotating shaft is fixedly connected with two pairs of connecting rods, and the outer side of two pairs of connecting rods is equipped with first mud scraping plate, first mud scraping plate is installed with first dismounting mechanism between a pair of connecting rods, the outer end of rotating shaft is fixedly connected with a pair of fixed frame, and the outer end of a pair of fixed frame is sleeved with link column, second dismounting mechanism is installed between link column and fixed frame, the lower end of link column is fixedly connected with second mud scraping plate, the lower end of rotating shaft is fixedly connected with conveying auger.

[0012] Further, a pair of first dismounting mechanisms each include two pairs of fixed pieces fixedly connected to the outer end of the first mud scraping plate, the two pairs of fixed pieces are in contact with a pair of connecting rods, respectively, two pairs of fixed pieces are respectively screwed with fixed bolts, the front and rear ends of a pair of connecting rods are each drilled with a bolt fixing groove, and the fixed bolt is screwed with the bolt fixing groove.

[0013] Further, a pair of second dismounting mechanisms each include a pair of threaded rods rotatably connected to the inner wall of the fixed frame, the end of the pair of threaded rods close to each other is fixedly connected with a first bevel gear, and the outer end of the pair of first bevel gears is meshed with a second bevel gear, the outer end of the fixed frame is rotatably connected with a push wheel, and the push wheel is connected with the second bevel gear, the outer end of the pair of threaded rods is screwed with a threaded movable plate, and the end of the pair of threaded movable plates away from each other is fixedly connected with a pair of insertion rods, the inner wall of the fixed frame is drilled with two pairs of insertion holes, the inner wall of the link column is drilled with two pairs of insertion slots, the end of the two pairs of insertion rods away from each other is inserted through the insertion hole and extends into the insertion slot.

[0014] Further, the inner wall of the insertion slot is fixedly connected with a fastening sealing sleeve, and the inner wall of the fastening sealing sleeve is in close contact with the outer end of the insertion rod.

[0015] Further, a pair of inclined rods are fixedly connected between the link column and the second mud scraping plate.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the utility model has the beneficial effects as follows:

[0018] The utility model discloses, through first dismounting mechanism and second dismounting mechanism with the mode of thread connection drive first mud scraping board and second mud scraping board convenient dismounting, and when first mud scraping board and second mud scraping board and hard block sludge collide, it is not easy to loose, still keep good installation stability, compared with spring joint's mode is more firm and stable, and the fixed installation effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the section structure schematic diagram of first dismounting mechanism in the utility model;

[0021] Figure 3 It is the section structure schematic diagram of second dismounting mechanism in the utility model.

[0022] Mark explanation in drawing:

[0023] 1, working bridge;2, motor;3, rotating shaft;4, connecting rod;5, first mud scraping board;6, first dismounting mechanism;601, fixed sheet;602, fixed bolt;603, bolt fixed groove;7, fixed frame;8, link column;9, second dismounting mechanism;901, threaded rod;902, first bevel gear;903, second bevel gear;904, knob wheel;905, threaded movable plate;906, plug rod;907, slot;9071, fastening sealing sleeve;10, second mud scraping board;11, inclined rod;12, conveying auger. DETAILED DESCRIPTION

[0024] The technical scheme in the utility model embodiment will be described clearly and completely below with the drawings in the utility model embodiment combined;Obviously, the described embodiment only is a part of the embodiment of the utility model, is not all the embodiment, based on the embodiment in the utility model, all other embodiments that the person of ordinary skill in the art obtains without doing the creative labor premise belong to the range of the utility model protection.

[0025] Embodiment:

[0026] Please refer to Figures 1-3The utility model provides a center drive mud scraper, including work bridge 1, the upper end of work bridge 1 is installed with motor 2, the lower end of work bridge 1 is rotatably connected with rotating shaft 3, the outer end of rotating shaft 3 is fixedly connected with two pairs of connecting rods 4, and the outer side of two pairs of connecting rods 4 is equipped with first mud scraper 5, and first mud scraper 5 is installed with first dismounting mechanism 6 between a pair of connecting rods 4, the outer end of rotating shaft 3 is fixedly connected with a pair of fixed frame 7, and the outer end of a pair of fixed frame 7 is all set with link column 8, and second dismounting mechanism 9 is installed between link column 8 and fixed frame 7, the lower end of link column 8 is fixedly connected with second mud scraper 10, and the lower end of rotating shaft 3 is fixedly connected with conveying auger 12.

[0027] The utility model discloses in the use process, first drive work bridge 1 erects on the sedimentation tank, and drive first mud scraper 5 and second mud scraper 10 respectively with the inner wall and inner bottom end of sedimentation tank contact, simultaneously, conveying auger 12 extends to the inside of intermediate sludge collecting groove, then motor 2 drives rotating shaft 3 rotation, makes it drive rotating shaft 3 rotation, promotes rotating shaft 3 through a pair of connecting rods 4 drive first mud scraper 5 rotation, simultaneously, through a pair of fixed frame 7 and link column 8 drive second mud scraper 10 rotation, along the inner wall and inner bottom end of sedimentation tank to the sludge and scrape to gather to the center sludge collecting groove, by the conveying auger 12 synchronous rotation of rotating shaft 3 downward conveying, thereby realize the cleaning of sludge, when first mud scraper 5 and second mud scraper 10 are damaged, rotate the fixed bolt 602 in first dismounting mechanism 6 and move outward, with bolt fixed groove 603 separate, can drive first mud scraper 5 and carry out convenient dismounting, simultaneously, rotate the push wheel 904 in second dismounting mechanism 9, make it drive second bevel gear 903 rotation, second bevel gear 903 pass through first bevel gear 902 drive screw rod 901 rotation, promote a pair of screw movable plate 905 under the rotation of screw rod 901, and carry out the opposite movement, drive the plug rod 906 and the plug groove 907 separate, drive second mud scraper 10 and carry out convenient dismounting, to the convenient replacement of damaged first mud scraper 5 and second mud scraper 10, and first mud scraper 5 and second mud scraper 10 adopt the mode of screw connection and carry out fixed installation, can not be easy to loosen when colliding with hard block sludge, still keep good installation stability, compared with spring clamping mode is more firm and stable, and the fixed installation effect is good, and in the utility model, the structural components of center drive mud scraper are all waterproof, to guarantee its waterproof performance and service life.

[0028] Please refer to Figures 1-2 A pair of first dismounting mechanism 6 all include two pairs of fixed sheets 601 with first mud scraper 5 outer end fixed connection, two pairs of fixed sheets 601 are contacted with a pair of connecting rods 4 respectively, two pairs of fixed sheets 601 are screw connected with fixed bolt 602 respectively, and the front and rear ends of a pair of connecting rods 4 are all carved with bolt fixed groove 603, and fixed bolt 602 is screw connected with bolt fixed groove 603.

[0029] In the use process, after the first mud scraper 5 is damaged, the multiple pairs of fixing bolts 602 are sequentially rotated to move away from each other, the fixing bolts 602 are separated from the bolt fixing grooves 603, the locking and fixing between the fixing plates 601 and the connecting rods 4 are cancelled, the first mud scraper 5 is driven to be conveniently disassembled, then a new first mud scraper 5 is taken to drive the two pairs of fixing plates 601 to contact with the pair of connecting rods 4, and then the multiple pairs of fixing bolts 602 are sequentially rotated to move towards each other and extend into the bolt fixing grooves 603 to be locked and fixed, so that the first mud scraper 5 is disassembled and replaced.

[0030] Please refer to Figure 1 and Figure 3 A pair of second disassembling mechanisms 9 each include a pair of threaded rods 901 rotationally connected to the inner wall of the fixed frame 7, the ends of the pair of threaded rods 901 close to each other are fixedly connected with a pair of first bevel gears 902, the outer ends of the pair of first bevel gears 902 are meshingly connected with a second bevel gear 903, the outer end of the fixed frame 7 is rotationally connected with a driving wheel 904, the driving wheel 904 is connected with the second bevel gear 903, the outer ends of the pair of threaded rods 901 are threadedly connected with a pair of threaded movable plates 905, the ends of the pair of threaded movable plates 905 away from each other are fixedly connected with a pair of insertion rods 906, the inner wall of the fixed frame 7 is drilled with two pairs of insertion holes, the inner wall of the connecting column 8 is drilled with two pairs of insertion grooves 907, the ends of the two pairs of insertion rods 906 away from each other pass through the insertion holes and extend into the insertion grooves 907.

[0031] In the use process, after the second mud scraper 10 is damaged, the driving wheel 904 is rotated to drive the second bevel gear 903 to rotate, the second bevel gear 903 drives the pair of first bevel gears 902 to rotate through the meshing transmission relationship, the pair of first bevel gears 902 drives the pair of threaded rods 901 to rotate respectively, the pair of threaded movable plates 905 moves towards each other under the rotating action of the threaded rods 901, the insertion rods 906 are separated from the insertion grooves 907, the limiting and fixing between the fixed frame 7 and the connecting column 8 is cancelled, the second mud scraper 10 is conveniently disassembled, then a new second mud scraper 10 is taken to drive the connecting column 8 to be engaged with the fixed frame 7, the insertion holes correspond to the insertion grooves 907, then the driving wheel 904 is rotated, the pair of threaded rods 901 is reversely rotated through the meshing transmission effect of the second bevel gear 903 and the first bevel gears 902, the pair of threaded movable plates 905 moves away from each other, the insertion rods 906 are inserted into the insertion grooves 907, so that the second mud scraper 10 is conveniently replaced.

[0032] Please refer to Figure 3 The inner wall of the insertion groove 907 is fixedly connected with a fastening sealing sleeve 9071, and the inner wall of the fastening sealing sleeve 9071 is in close contact with the outer end of the insertion rod 906.

[0033] The present scheme can reinforce the insertion and fixation between the insertion rod 906 and the insertion groove 907 by the setting of the fastening sealing sleeve 907 during use.

[0034] Please refer to Figure 1 The connecting column 8 and the second mud scraping plate 10 are fixedly connected with a pair of inclined rods 11.

[0035] The present scheme can reinforce the connection between the connecting column 8 and the second mud scraping plate 10 by the setting of the inclined rod 11 during use.

[0036] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A center-driven sludge scraper, comprising a working bridge (1), characterized in that: The upper end of the working bridge (1) is equipped with a motor (2), and the lower end of the working bridge (1) is rotatably connected to a rotating shaft (3). The outer end of the rotating shaft (3) is fixedly connected to two pairs of connecting rods (4), and the outer sides of the two pairs of connecting rods (4) are provided with first scraper blades (5). A first disassembly and assembly mechanism (6) is installed between the first scraper blades (5) and a pair of connecting rods (4). The outer end of the rotating shaft (3) is fixedly connected to a pair of fixed frames (7), and the outer ends of the pair of fixed frames (7) are each fitted with connecting columns (8). A second disassembly and assembly mechanism (9) is installed between the connecting columns (8) and the fixed frames (7). The lower end of the connecting columns (8) is fixedly connected to a second scraper blade (10), and the lower end of the rotating shaft (3) is fixedly connected to a conveying auger (12).

2. The center-driven sludge scraper according to claim 1, characterized in that: Each pair of first disassembly and assembly mechanisms (6) includes two pairs of fixing plates (601) fixedly connected to the outer end of the first scraper (5). The two pairs of fixing plates (601) are in contact with a pair of connecting rods (4) respectively. Fixing bolts (602) are threadedly connected to the two pairs of fixing plates (601). Bolt fixing grooves (603) are chiseled at both ends of the pair of connecting rods (4), and the fixing bolts (602) are threadedly connected to the bolt fixing grooves (603).

3. A center-driven sludge scraper according to claim 1, characterized in that: Each pair of the second disassembly and assembly mechanisms (9) includes a pair of threaded rods (901) rotatably connected to the inner wall of the fixed frame (7). The ends of the pair of threaded rods (901) that are close to each other are fixedly connected to a first bevel gear (902), and the outer ends of the pair of first bevel gears (902) are meshed with a second bevel gear (903). The outer end of the fixed frame (7) is rotatably connected to a turntable wheel (904), and the turntable wheel (904) is connected to the second bevel gear (903). The outer ends of the pair of threaded rods (901) are threadedly connected to threaded movable plates (905), and the ends of the pair of threaded movable plates (905) that are far apart are fixedly connected to a pair of insert rods (906). The inner wall of the fixed frame (7) is chiseled with two pairs of insertion holes, and the inner wall of the connecting column (8) is chiseled with two pairs of slots (907). The ends of the two pairs of insert rods (906) that are far apart pass through the insertion holes and extend into the slots (907).

4. A center-driven sludge scraper according to claim 3, characterized in that: The inner wall of the slot (907) is fixedly connected to a fastening sealing sleeve (9071), and the inner wall of the fastening sealing sleeve (9071) is in close contact with the outer end of the insertion rod (906).

5. A center-driven sludge scraper according to claim 1, characterized in that: A pair of diagonal rods (11) are fixedly connected between the connecting column (8) and the second scraper (10).

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