Salt mining ship

Abstract

The utility model discloses a salt mining ship, and mainly relates to the field of salt lake salt mining. Comprising a machine frame, floating box type caterpillar bands are arranged at the left end and the right end of the machine frame, a supporting arm is arranged at the front end of each floating box type caterpillar band, a rotary platform is arranged at the rear end of each supporting arm, a supporting frame is arranged at the bottom of the rotary platform, the bottom end of the supporting frame is fixed to floating boxes of the floating box type caterpillar bands, and the supporting arms are hinged to the rotary platform. A supporting arm angle adjusting oil cylinder is arranged above the supporting arm, and a milling and digging head is arranged at the front end of the supporting arm; a bucket type lifting mechanism is obliquely arranged at the top of the rack, a rotating shaft is horizontally arranged at the front end of the bucket type lifting mechanism, spiral blades are arranged on the left side and the right side of the bucket type lifting mechanism, the spiral blades are fixed to the rotating shaft, and the rotating directions of the two spiral blades are opposite; according to the utility model, crystalline sodium chloride at the bottom of the pool can be crushed in a swinging manner, the mining of sodium salt mine is completed, and the mined salt blocks can be quickly collected.

Description

Technical Field

[0001] The utility model relates to the technical field of salt mining in salt lakes, in particular to a salt mining ship. Background Art

[0002] At present, the trailing suction hopper salt mining ship has been widely used in salt lake mining. It is mainly composed of a pontoon crawler mechanism and a trailing suction hopper cutter head installed at the front end of the pontoon crawler mechanism. Among them, the trailing suction hopper cutter head adopts a long-axis spiral blade, which can be used for mining lake salt with lower hardness, such as potassium salt mines, but it is difficult to mine sodium salt mines with a Mohs hardness of more than 2.5. In addition, due to the high hardness of sodium salt mines, when mining sodium salt mines, after cutting the crystallized sodium chloride at the bottom of the sodium salt pool, a lot of lumps will be obtained. When using the existing suction conveying device for collection, pipeline blockage will occur, and the collection efficiency will be low. Utility Model Content

[0003] The purpose of the utility model is to solve the problem of difficulty in mining sodium salt ponds in the prior art, and to provide a salt mining ship that can swing-crush the crystallized sodium chloride at the bottom of the pond to complete the mining of sodium salt mines and can quickly collect the mined salt blocks.

[0004] In order to achieve the above-mentioned purpose, the present invention is realized through the following technical solutions:

[0005] The lifting mechanism is connected with the lifting mechanism, and the lifting mechanism is connected with the lifting mechanism of the lifting mechanism is connected with the lifting mechanism of the lifting mechanism is connected with the lifting mechanism of the lifting mechanism.

[0006] Preferably, the rotating platform includes a base fixed on the support frame and a rotating seat arranged on the top of the base and rotatably connected to the base. The rear ends of the support arm and the support arm angle adjustment cylinder are hinged on the outer wall of the rotating seat. Rotating cylinders are provided on the left and right sides of the rotating seat. One end of the rotating cylinder is hinged to the rotating seat, and the other end is hinged to the support frame.

[0007] Preferably, the milling head includes a driving assembly and a cutter wheel arranged on the left and right sides of the driving assembly, the cutter wheel includes a cutter disc, a plurality of L-shaped tool holders and a connecting sleeve for connecting to the output shaft of the driving assembly, the plurality of L-shaped tool holders are evenly arranged along the circumference of the connecting sleeve, one end of the L-shaped tool holder is fixedly connected to the connecting sleeve, and the other end is fixedly connected to the cutter disc, the L-shaped tool holder is provided with a plurality of cutter teeth, and the front end of a part of the cutter teeth on each L-shaped tool holder is located on the outside of the cutter disc.

[0008] Preferably, the bucket lifting mechanism includes a chain and a shell with a U-shaped cross-section. The front end of the shell is provided with an arc-shaped guard for installing a rotating shaft. The spiral blades are located on the inner side of the arc-shaped guard. The rear end of the shell is provided with a power shaft. Sprockets adapted to the chain are provided on the power shaft and the rotating shaft, and a number of lifting buckets are evenly arranged on the chain.

[0009] Preferably, the front portion of the bottom end of the bucket lifting mechanism is hinged to the frame, and the rear end is hinged with a lifting cylinder, and the bottom end of the lifting cylinder is hinged to the frame.

[0010] Preferably, a plurality of partitions are evenly arranged on the belt body of the conveyor belt.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The utility model discloses a milling head for mining sodium salt ore in a pool body. The inclination angle of the support arm can be adjusted by the support arm angle adjustment cylinder, thereby adjusting the height of the milling head. The milling head can be driven to swing left and right by the rotary platform, so that the crystallized sodium chloride at the bottom of the pool can be swing-crushed to complete the mining of the sodium salt ore. The crushed salt blocks, salt particles, etc. can be transported to the front end of the bucket lifting mechanism by the spiral blades, and the mined salt blocks, salt particles, etc. are lifted above the water surface by the bucket lifting mechanism. The salt blocks and / or brine mixture are transported to the salt transport ship by the conveyor belt, and then transported to the shore by the salt transport ship. The mined salt blocks can be quickly collected to complete the collection of the salt ore. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the support arm installation;

[0015] Figure 3 Schematic diagram of the connection structure of the support arm;

[0016] Figure 4 It is a structural diagram of the milling head;

[0017] Figure 5 This is the installation diagram of the bucket elevator mechanism;

[0018] Figure 6 It is a structural diagram of the bucket lifting mechanism;

[0019] Figure 7 Schematic diagram of the utility model in use.

[0020] The numbers in the accompanying drawings are: 1. Frame; 2. Floating box crawler; 3. Support arm; 4. Rotating platform; 5. Support frame; 6. Support arm angle adjustment cylinder; 7. Milling head; 8. Bucket lifting mechanism; 9. Rotating shaft; 91. Spiral blade; 10. Conveyor belt; 11. Salt transport ship; 41. Base; 42. Rotating seat; 43. Rotating cylinder; 71. Drive assembly; 72. Cutting wheel; 721. Cutting disc; 722. L-shaped cutter holder; 723. Connecting sleeve; 724. Cutting teeth; 81. Chain; 82. Housing; 83. Arc-shaped guard; 84. Power shaft; 85. Sprocket; 86. Lifting bucket; 87. Lifting cylinder. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to specific embodiments. It should be understood that these embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the contents of this invention, those skilled in the art may make various changes or modifications to the present invention, and that these equivalent forms also fall within the scope defined in this application.

[0022] At present, the long-axis spiral cutter head used in the common trailing suction hopper cutter vessels on the market is 10 meters long and has 200 cutter teeth working simultaneously. Each cutter tooth requires 20KW of cutting power, and cutting hard salt ore requires 4000KW of power. It is not economical to install such a large power source on a small ship. If it is reduced to 1000KW, each cutter tooth will only have 5KW of cutting power, which can only cut soft salt ore, but not enough power to cut hard salt ore.

[0023] In this regard, the utility model draws on the milling head of engineering machinery, and uses a rotary platform to realize the fan-shaped cutting of the milling head. Under the premise of ensuring the mining width, it can reduce the power required for cutting hard salt ore. For example, 20 cutter teeth are set on the milling head, each cutter tooth is equipped with a cutting power of 20KW, and only 400KW of power is required to cut hard salt ore.

[0024] Example: As shown in the attached Figure 1-7 As shown, the utility model is a salt mining ship, including a frame 1, and pontoon-type crawler 2 is welded to the left and right ends of the frame 1. The pontoon-type crawler 2 is a prior art, mainly including a pontoon and a crawler walking mechanism mounted on the pontoon, and the power system of the crawler walking mechanism can be set in the pontoon.

[0025] The front end of each pontoon-type crawler 2 is provided with a support arm 3, the rear end of the support arm 3 is provided with a rotating platform 4, and the bottom of the rotating platform 4 is provided with a support frame 5. The support frame 5 can adopt multiple U-shaped frames with open bottoms. The pontoon is located on the inner side of the U-shaped frame, and the bottom end of the U-shaped frame is welded to the outer wall of the pontoon. The support arm 3 is hinged to the rotating platform 4, and a support arm angle adjustment cylinder 6 is provided above the support arm 3. One end of the support arm angle adjustment cylinder 6 is hinged to the support arm 3, and the other end is hinged to the rotating platform 4.

[0026] The slewing platform 4 can adopt the slewing mechanism of engineering machinery. Preferably, the slewing platform 4 includes a base 41 fixed on the support frame 5 and a rotating seat 42 arranged on the top of the base 41 and rotatably connected to the base 41. The base 41 can be fixed to the top of the support frame 5 by screws, and the rotating seat 42 and the base 41 can be connected by a slewing support bearing (also known as a turntable bearing). The base 41 can also adopt a stepped column, and the rotating seat 42 can adopt a stepped cylinder, the cylinder is sleeved on the stepped column, and a bearing is installed between the cylinder and the stepped column. A first gear can be provided on the outer peripheral wall of the rotating seat 42, and a hydraulic motor is provided on the support frame 5. The output shaft of the hydraulic motor is provided with a second gear meshing with the first gear. Preferably, a slewing oil cylinder 43 is provided on the left and right sides of the slewing seat 42, one end of the slewing oil cylinder 43 is hinged to the slewing seat 42, and the other end is hinged to the support frame 5. By adjusting the extension and contraction of the two slewing oil cylinders 43, the slewing seat 42 can be driven to rotate around the vertical axis. The rear ends of the support arm 3 and the support arm angle adjustment cylinder 6 are hinged on the outer wall of the rotating seat 42. The hinge axes between the support arm 3, the support arm angle adjustment cylinder 6 and the rotating seat 42 are parallel, the hinge axes are arranged horizontally, and the hinge axis at the rear end of the support arm angle adjustment cylinder 6 is located above the hinge axis at the rear end of the support arm 3.

[0027] The front end of the support arm 3 is provided with a milling head 7, which can be a milling head on an existing rock milling machine, and is mainly composed of a cylindrical cutter seat and cutter teeth arranged on the outer peripheral wall of the cutter seat.

[0028] The cutter head 72 comprises a drive assembly 71 and a cutter wheel 72 arranged on the left and right sides of the drive assembly 71. The drive assembly 71 can adopt a hydraulic motor. The hydraulic motor can be arranged in a mounting shell welded to the front end of the support arm 3. The output shaft of the hydraulic motor passes through the housing of the hydraulic motor on the left and right sides. The cutter wheel 72 comprises a cutter disc 721, a plurality of L-shaped tool holders 722 and a connecting sleeve 723 for connecting to the output shaft of the drive assembly 71. The plurality of L-shaped tool holders 722 are evenly arranged along the circumference of the connecting sleeve 723. One end of the L-shaped tool holder 722 is welded to the outer wall of the connecting sleeve 723, and the other end is welded to the cutter disc 721 for fixed connection. The cutter disc 721 is located on the side of the L-shaped tool holder 722 close to the hydraulic motor. A plurality of cutter teeth 724 are welded on the horizontal and vertical parts of the L-shaped tool holder 722, and the front end of a part of the cutter teeth 724 on each L-shaped tool holder 722 is located on the outer side of the cutter disc 721. Figure 4 In the figure, the radius of the circle where the front end of the tooth 724 on the horizontal part of the L-shaped tool holder 722 is located is greater than the outer diameter of the cutter disc 721. The cutter disc 721 can be a disc or a ring. When a ring is used, a number of connecting ribs can be set on the inner side of the ring. One end of the connecting rib is welded to the ring, and the other end is welded to the connecting sleeve 723. After the connecting sleeve 723 is put on the output shaft of the hydraulic motor, it can be locked by screws. Corresponding screw holes can be set on the output shaft of the hydraulic motor, and an interference fit can also be adopted between the connecting sleeve 723 and the output shaft of the hydraulic motor.

[0029] A bucket lifting mechanism 8 is obliquely provided on the top of the frame 1. The bucket lifting mechanism 8 is low in the front and high in the back, and a rotating shaft 9 is horizontally provided at the front end of the bucket lifting mechanism 8. The middle part of the rotating shaft 9 is transmission-connected to the bucket lifting mechanism 8. Spiral blades 91 are provided on the left and right sides of the bucket lifting mechanism 8. The spiral blades 91 are fixed on the rotating shaft 9, and the two spiral blades 91 have opposite rotation directions. The salt blocks cut by the milling head 7 are transported to the middle part of the rotating shaft 9, which is also the front end of the bucket lifting mechanism 8, by rotating the spiral blades 91. The mined salt blocks, salt particles, etc. are lifted above the water surface by using the bucket lifting mechanism 8.

[0030] Preferably, the bucket lifting mechanism 8 includes a chain 81 and a shell 82 with a U-shaped cross-section. Arc-shaped guards 83 for installing the rotating shaft 9 are welded on the left and right sides of the front end of the shell 82. A mounting bracket is welded on the inner side of the arc-shaped guard 83 away from the end of the shell 82. The end of the rotating shaft 9 is mounted on the mounting bracket, and the rotating shaft 9 is rotatably connected to the mounting bracket through a bearing. The spiral blade 91 is located on the inner side of the arc-shaped guard 83. The rear end of the shell 82 is provided with a power shaft 84, which is rotatably connected to the shell 82, and a hydraulic motor or electric motor connected to the power shaft 84 is provided on the outer wall of the shell 82. Sprockets 85 adapted to the chain 81 are installed on the power shaft 84 and the rotating shaft 9. Several lifting buckets 86 are evenly provided on the chain 81. The cross-section of the cavity of the lifting bucket 86 is rectangular or trapezoidal. The lifting bucket 86 can be fixed to the chain 81 by screws and other connecting parts.

[0031] The conveyor belt 10 is located below the rear end of the bucket lifting mechanism 8. The salt blocks and / or brine mixture are transported to the salt transport ship 11 through the conveyor belt 10. The salt transport ship 11 is provided with a containing bin. The conveyor belt 10 is perpendicular to the bucket lifting mechanism 8. The conveyor belt 10 can be installed on the frame 1 or on the salt transport ship 11.

[0032] When the conveyor belt 10 is installed on the frame 1, the bucket lifting mechanism 8 can be fixed, and one end of the bottom of the bracket of the conveyor belt 10 is hinged to the frame 1, and a cylinder is set at the other end. One end of the cylinder is hinged to the bracket of the conveyor belt 10, and the other end is hinged to the frame 1. By adjusting the height of the output end of the conveyor belt 10, it is ensured that the collected material can be transported to the salt transport ship 11.

[0033] When the conveyor belt 10 is installed on the salt transport ship 11, the front part of the bottom end of the bucket lifting mechanism 8 is hinged to the frame 1, and the rear end is hinged with a lifting cylinder 87. The bottom end of the lifting cylinder 87 is hinged to the frame 1. The height of the output end of the bucket lifting mechanism 8 is adjusted by the lifting cylinder 87 so that the output end of the bucket lifting mechanism 8 is located at an appropriate position above the conveyor belt 10, ensuring that the collected material can be transported to the salt transport ship 11.

[0034] Preferably, a plurality of partitions are evenly provided on the belt body of the conveyor belt 10, and partitions are also arranged at the left and right ends of the belt body, forming a plurality of receiving grooves on the belt body of the conveyor belt 10 to ensure the conveying effect.

Claims

1. A salt mining vessel, comprising a frame (1), wherein both left and right ends of the frame (1) are provided with pontoon-type crawler tracks (2), and wherein: The front end of each pontoon crawler (2) is provided with a support arm (3), the rear end of the support arm (3) is provided with a rotary platform (4), the bottom of the rotary platform (4) is provided with a support frame (5), the bottom end of the support frame (5) is fixed on the pontoon of the pontoon crawler (2), the support arm (3) is hinged to the rotary platform (4), and a support arm angle adjustment cylinder (6) is provided above the support arm (3), one end of the support arm angle adjustment cylinder (6) is hinged to the support arm (3), and the other end is hinged to the rotary platform (4), and a milling head (7) is provided at the front end of the support arm (3); A bucket-type lifting mechanism (8) is provided at an inclined position on the top of (1). The bucket-type lifting mechanism (8) is lower in front and higher in the back, and a rotating shaft (9) is provided horizontally at the front end of the bucket-type lifting mechanism (8). The middle part of the rotating shaft (9) is connected to the bucket-type lifting mechanism (8) by transmission. Spiral blades (91) are provided on the left and right sides of the bucket-type lifting mechanism (8). The spiral blades (91) are fixed on the rotating shaft (9), and the rotation directions of the two spiral blades (91) are opposite. A conveyor belt (10) is located below the rear end of the bucket-type lifting mechanism (8). The salt blocks and / or brine mixture are transported to the salt transport ship (11) through the conveyor belt (10).

2. A salt mining ship according to claim 1, characterized in that: The rotary platform (4) comprises a base (41) fixed on the support frame (5) and a rotating seat (42) arranged on the top of the base (41) and rotatably connected to the base (41); the rear ends of the support arm (3) and the support arm angle adjustment cylinder (6) are hinged on the outer wall of the rotating seat (42); a rotary cylinder (43) is provided on the left and right sides of the rotating seat (42); one end of the rotary cylinder (43) is hinged to the rotating seat (42), and the other end is hinged to the support frame (5).

3. The salt mining vessel according to claim 1, characterized in that: The milling head (7) comprises a driving assembly (71) and a cutter wheel (72) arranged on the left and right sides of the driving assembly (71); the cutter wheel (72) comprises a cutter disc (721), a plurality of L-shaped cutter holders (722) and a connecting sleeve (723) for connecting to the output shaft of the driving assembly (71); the plurality of L-shaped cutter holders (722) are evenly arranged along the circumference of the connecting sleeve (723); one end of the L-shaped cutter holder (722) is fixedly connected to the connecting sleeve (723), and the other end is fixedly connected to the cutter disc (721); the L-shaped cutter holder (722) is provided with a plurality of cutter teeth (724), and the front end of a portion of the cutter teeth (724) on each L-shaped cutter holder (722) is located outside the cutter disc (721).

4. The salt mining vessel according to claim 1, characterized in that: The bucket lifting mechanism (8) includes a chain (81) and a housing (82) with a U-shaped cross section. The front end of the housing (82) is provided with an arc-shaped shield (83) for mounting a rotating shaft (9). The spiral blade (91) is located on the inner side of the arc-shaped shield (83). The rear end of the housing (82) is provided with a power shaft (84). The power shaft (84) and the rotating shaft (9) are both provided with sprockets (85) adapted to the chain (81). A plurality of lifting buckets (86) are evenly arranged on the chain (81).

5. The salt mining vessel according to claim 1, characterized in that: The front portion of the bottom end of the bucket lifting mechanism (8) is hinged to the frame (1), and the rear end is hinged to a lifting cylinder (87), and the bottom end of the lifting cylinder (87) is hinged to the frame (1).

6. The salt mining vessel according to claim 1, characterized in that: A plurality of partitions are evenly arranged on the belt body of the conveyor belt (10).

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