Automatic liquid preparation equipment for tunnel drilling fluid

Abstract

The invention discloses automatic liquid preparation equipment for tunnel drilling fluid, and relates to the technical field of drilling fluid production equipment. The tunnel drilling fluid automatic preparation equipment comprises a preparation box and a raw material box, a feeding port is formed in the top of the raw material box, two sets of discharging ports are formed in the bottom of the raw material box, the bottom of the raw material box is fixedly installed at the bottom of the preparation box, the raw material box communicates with the interior of the preparation box, and two sets of round material boxes are rotationally installed on the front side and the rear side of the raw material box; a material groove is formed in the round material box, a piston plate is slidably installed in the material groove, and a material passing box is arranged in the feeding opening. Through the driving unit, the two groups of round material boxes can be driven to rotate, so that quantitative raw materials can be put into the batching box through material grooves of the round material boxes, the drilling fluid raw materials are ensured to be mixed according to a specified proportion, and through matched use of a lifting structure, the position of a piston plate in the material grooves can be controlled; further, the depths of the two groups of material tanks of the round material box can be adjusted, the raw material input proportion is controlled, and any drilling fluid can be conveniently blended.

Description

Technical Field

[0001] The invention relates to the technical field of drilling fluid production equipment, and in particular to automatic liquid dispensing equipment for tunnel drilling fluid. Background Art

[0002] Drilling fluid is a general term for various circulating fluids that meet the needs of drilling work with its multiple functions during the drilling process. Drilling fluid is the blood of drilling, also known as drilling flushing fluid. Drilling fluid can be divided into clean water, mud, clay-free flushing fluid, emulsion, foam and compressed air according to its composition. Water-based drilling fluid is a type of drilling fluid. It is a sol suspension mixed system with water as the dispersion medium and clay, weighting agent and various chemical treatment agents as the dispersed phase. Its main components are water, clay, weighting agent and various chemical treatment agents.

[0003] Chinese patent document CN102029120B discloses a mixing device for adjusting the density of drilling fluid, comprising a tubular mixing device body, one end of the mixing device body is provided with a drilling fluid inlet, and the other end is provided with a mixed liquid outlet, the circumference of the mixing device body is respectively connected to a high-density drilling fluid inlet and a seawater inlet through an interface, and the centers of the two interfaces are respectively installed with a nozzle with a plum blossom-shaped cross section through a throat; the axes of the two interfaces are staggered at an angle at the cross-sectional position of the mixing device body, and are arranged in an eccentric direction with the axis of the mixing device body. The present invention staggers the two groups of high-speed low-pressure fluids ejected from the two nozzles, and generates shear mixing in the low-speed area of ​​the mixing device body, so that the particle size of the mixed components is reduced and the mixing is more uniform. The device of the present invention has a fast density adjustment speed, high adjustment accuracy, and good mixing effect, especially for the mixing of high-viscosity non-Newtonian fluid heavy mud with seawater / fresh water.

[0004] However, during the use of the above device, it is impossible to accurately control the ratio of drilling fluid raw materials, which will lead to poor quality of the drilling fluid and affect its use effect. Summary of the invention

[0005] The purpose of the present invention is to provide an automatic liquid dispensing device for tunnel drilling fluid, which can solve the problem that the above-mentioned device cannot accurately control the ratio of drilling fluid raw materials during use, resulting in poor quality of the drilling fluid and affecting its use effect.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic liquid dispensing device for tunnel drilling fluid, comprising a dispensing box and a raw material box, a feed port is provided on the top of the raw material box, two groups of discharge ports are provided on the bottom of the raw material box, the bottom of the raw material box is fixedly installed on the bottom of the dispensing box, and the raw material box is communicated with the interior of the dispensing box, two groups of round material boxes are rotatably installed on the front and rear sides of the raw material box, the round material box is provided with a material trough, a piston plate is slidably installed in the material trough, a feeding box is provided in the feeding port, a fixing block is fixedly installed on the top of the feeding box, the fixing block is placed on the top of the dispensing box, a fixing plate is provided on the bottom of the feeding box, and the feeding box is provided with a fixing plate. A feed port A is provided at the bottom of the box, and a feed port B is provided on the fixed plate, which can filter the raw materials to remove larger particles and impurities in the raw materials to prevent larger particles and impurities from clogging the equipment. The box also includes a partition plate fixedly installed on the inner wall of the raw material box, which divides the inner side of the raw material box into two left and right areas. A moving component installed at the bottom of the fixed plate is used to drive the fixed plate to move through the moving component. A driving unit installed on the rear side of the round material box is used to drive the two groups of round material boxes to rotate through the driving unit. A lifting structure installed on the inner side of the round material box is used to drive the piston plate to lift and lower through the lifting structure.

[0007] Preferably, the moving assembly includes a threaded rod, a first knob and a first threaded block. There are two groups of threaded rods, and the two groups of threaded rods are rotatably installed on both sides of the raw material box respectively, and the two groups of threaded rods are rotatably installed on the partition plate. The first knob is fixedly installed on one end of the threaded rod, and the first threaded block is threadedly installed on the outer wall of the threaded rod, and the top of the first threaded block is in contact with the bottom of the fixed plate, which can drive the fixed plate to move and adjust the relative position between the feed port A and the feed port B, thereby controlling the mesh size of the feed port.

[0008] Preferably, the driving unit includes a fixed shaft, a cushion block, a second motor, a synchronous gear and a synchronous belt, there are two groups of fixed shafts which are respectively fixedly installed on the rear sides of the two groups of round material boxes, the cushion block is fixedly installed on the top outer wall of the material box, the second motor is fixedly installed on the top of the cushion block, there are two groups of synchronous gears which are respectively fixedly installed on the outer walls of the two groups of fixed shafts, the synchronous belts are sleeved on the two groups of synchronous gears, and the synchronous belts are meshed with the two groups of synchronous gears, the output shaft of the second motor is fixedly installed on one end of a group of fixed shafts, which can drive the two groups of round material boxes to rotate, so that the material trough of the round material box can put a certain amount of raw materials into the interior of the material box, ensuring that the drilling fluid raw materials are mixed in a specified ratio.

[0009] Preferably, the lifting structure includes a second threaded block, a third knob, a threaded block B and a linkage rod. The second threaded block is rotatably installed on both sides of the material trough, the third knob is fixedly installed on both ends of the second threaded block, the threaded block B is threadedly installed on the outer wall of the second threaded block, one end of the linkage rod is hingedly installed on the top and bottom of the threaded block B, and the other end of the linkage rod is hingedly installed on the piston plate, which can control the position of the piston plate in the material trough, and then can adjust the depth of the two groups of round material box troughs, control the proportion of raw material input, and facilitate the preparation of any drilling fluid.

[0010] Preferably, two groups of rotating rods are rotatably installed at the top and bottom of the inner side of the batching box, stirring rods are fixedly installed on both sides of the two groups of rotating rods, and the stirring rods on the two groups of rotating rods are staggered.

[0011] Preferably, bidirectional worm gears are rotatably mounted on the inner walls of both sides of the ingredient box, worm wheels are fixedly mounted on the outer walls of the two sets of rotating rods, and the bidirectional worm gears are meshed with the two sets of worm wheels. A first motor is fixedly mounted on one side of the ingredient box, and the output shaft of the first motor is fixedly mounted on one end of the bidirectional worm gear, so as to rotate the two sets of rotating rods in opposite directions so that the raw materials are mixed evenly.

[0012] Preferably, an isolation cover is fixedly installed on the inner top of the ingredient box, the connection between the rotating rod and the bidirectional worm gear is located on the inner side of the isolation cover, and the rotating rod and the bottom of the isolation cover are rotatably installed to isolate the connection between the worm wheel and the bidirectional worm gear to prevent the raw materials from contacting the connection between the worm wheel and the bidirectional worm gear.

[0013] Preferably, the outer walls of the two groups of rotating rods are fixedly mounted with guide plates, the guide plates are fixedly mounted on the inner walls of the batching box, and the guide plates are inclined to facilitate the discharge of the drilling fluid.

[0014] Preferably, a discharge pipe is fixedly installed on the other side of the batching box, and the discharge pipe is provided with a valve.

[0015] Preferably, the bottom of the raw material box is inclined.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] (1) This automatic liquid dispensing equipment for tunnel drilling fluid can filter the raw materials through the feed box and the feed port of the fixed plate to remove larger particles and impurities in the raw materials to prevent the larger particles and impurities from clogging the equipment. In addition, through the coordinated use of the moving components, the fixed plate can be driven to move to adjust the relative position between the feed port A and the feed port B, thereby controlling the mesh size of the feed port.

[0018] (2) This kind of automatic liquid dispensing equipment for tunnel drilling fluid can drive two groups of round material boxes to rotate through a driving unit, so that the material troughs of the round material boxes can put a certain amount of raw materials into the inside of the material dispensing boxes, ensuring that the drilling fluid raw materials are mixed in a specified ratio. In addition, through the coordinated use of the lifting structure, the position of the piston plate in the material trough can be controlled, and then the depth of the material troughs of the two groups of round material boxes can be adjusted to control the proportion of raw material input, thereby facilitating the preparation of any drilling fluid. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0020] Figure 1 It is a structural schematic diagram of the present invention;

[0021] Figure 2 It is a structural schematic diagram of another side of the present invention;

[0022] Figure 3 is a cross-sectional view of a raw material box of the present invention;

[0023] Figure 4 for Figure 3 Schematic diagram of the other side;

[0024] Figure 5 It is a cross-sectional view of the batching box of the present invention;

[0025] Figure 6 is a cross-sectional view of the isolation cover of the present invention;

[0026] Figure 7 It is a cross-sectional view of a round material box of the present invention.

[0027] Figure numerals: 1. ingredient box; 2. raw material box; 3. material partition plate; 4. material transfer box; 5. fixed block; 6. threaded rod; 7. first knob; 8. first threaded block; 9. fixed plate; 10. first motor; 11. bidirectional worm; 12. rotating rod; 13. stirring rod; 14. worm gear; 15. isolation cover; 16. material guide plate; 17. material discharge pipe; 18. round material box; 19. pad; 20. second motor; 21. synchronous gear; 22. synchronous toothed belt; 23. second threaded block; 24. third knob; 25. threaded block B; 26. linkage rod; 27. piston plate. DETAILED DESCRIPTION

[0028] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0029] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In the description of the present invention, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0031] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0032] See also Figure 1-7 The present invention provides a technical solution: an automatic liquid dispensing device for tunnel drilling fluid, comprising a dispensing box 1 and a raw material box 2, wherein a feed port is provided at the top of the raw material box 2, two groups of discharge ports are provided at the bottom of the raw material box 2, the bottom of the raw material box 2 is fixedly installed at the bottom of the dispensing box 1, and the raw material box 2 is communicated with the interior of the dispensing box 1, two groups of round material boxes 18 are rotatably installed at the front and rear sides of the raw material box 2, the round material box 18 is provided with a material trough, a piston plate 27 is slidably installed in the material trough, a feeding box 4 is provided in the feeding port, a fixing block 5 is fixedly installed on the top of the feeding box 4, the fixing block 5 is placed on the top of the dispensing box 1, a fixing plate 9 is provided at the bottom of the feeding box 4, and the feeding box A feed inlet A is provided at the bottom of 4, and a feed inlet B is provided at the fixed plate 9, which can filter the raw materials to remove larger particles and impurities in the raw materials to prevent larger particles and impurities from clogging the equipment. It also includes a partition plate 3 fixedly installed on the inner wall of the raw material box 2, and the partition plate 3 divides the inner side of the raw material box 2 into two left and right areas. A moving component installed at the bottom of the fixed plate 9 is used to drive the fixed plate 9 to move through the moving component. A driving unit installed on the rear side of the round material box 18 is used to drive the two groups of round material boxes 18 to rotate through the driving unit. A lifting structure installed on the inner side of the round material box 18 is used to drive the piston plate 27 to lift and lower through the lifting structure.

[0033] The moving assembly includes a threaded rod 6, a first knob 7 and a first threaded block 8. There are two groups of threaded rods 6. The two groups of threaded rods 6 are rotatably installed on both sides of the raw material box 2, and the two groups of threaded rods 6 are rotatably installed on the partition plate 3. The first knob 7 is fixedly installed on one end of the threaded rod 6. The first threaded block 8 is threadedly installed on the outer wall of the threaded rod 6, and the top of the first threaded block 8 is in contact with the bottom of the fixed plate 9. The first knob 7 is manually twisted, and the rotation of the first knob 7 drives the threaded rod 6 to rotate. The rotation of the threaded rod 6 drives the first threaded block 8 and the fixed plate 9 to move, thereby adjusting the position between the feed port A and the feed port B, and thus the mesh count of the feed port can be controlled.

[0034] The driving unit includes a fixed shaft, a cushion block 19, a second motor 20, a synchronous gear 21 and a synchronous toothed belt 22. The fixed shaft has two groups, which are respectively fixedly installed on the rear sides of the two groups of round material boxes 18. The cushion block 19 is fixedly installed on the top outer wall of the batching box 1. The second motor 20 is fixedly installed on the top of the cushion block 19. The synchronous gear 21 has two groups, which are respectively fixedly installed on the outer walls of the two groups of fixed shafts. The synchronous toothed belt 22 is sleeved on the two groups of synchronous gears 21, and the synchronous toothed belt 22 is meshed with the two groups of synchronous gears 21. The output shaft of the second motor 20 is fixedly installed on one end of a group of fixed shafts. The raw materials are put into the material box 4, and the raw materials can be screened through the discharge port A and the discharge port B, so that the qualified raw materials fall into the material trough of the round material box 18. By starting the second motor 20, the output shaft of the second motor 20 drives the fixed shaft, the round material box 18, and the synchronous gear 21 to rotate, and the synchronous gear 21 drives another set of synchronous gears 21 and the round material box 18 to rotate synchronously through the synchronous toothed belt 22, so that the material trough of the round material box 18 can put a certain amount of raw materials into the inside of the batching box 1, ensuring that the drilling fluid raw materials are mixed in a specified ratio.

[0035] The lifting structure includes a second threaded block 23, a third knob 24, a threaded block B25 and a linkage rod 26. The second threaded block 23 is rotatably installed on both sides of the material trough, the third knob 24 is fixedly installed on both ends of the second threaded block 23, the threaded block B25 is threadedly installed on the outer wall of the second threaded block 23, one end of the linkage rod 26 is hingedly installed on the top and bottom of the threaded block B25, and the other end of the linkage rod 26 is hingedly installed on the piston plate 27. The third knob 24 is manually twisted, and the rotation of the third knob 24 drives the second threaded block 23 to rotate, and the rotation of the second threaded block 23 drives the threaded block B25 and one end of the linkage rod 26 to move, so that the other end of the linkage rod 26 and the piston plate 27 move in the material trough, which can adjust the depth of the material trough, control the proportion of raw material input, and facilitate the preparation of any drilling fluid.

[0036] Two groups of rotating rods 12 are rotatably mounted on the top and bottom of the inner side of the batching box 1 , stirring rods 13 are fixedly mounted on both sides of the two groups of rotating rods 12 , and the stirring rods 13 on the two groups of rotating rods 12 are staggered.

[0037] A bidirectional worm 11 is rotatably installed on the inner walls of both sides of the ingredient box 1, and worm wheels 14 are fixedly installed on the outer walls of the two groups of rotating rods 12, and the bidirectional worm 11 is meshed with the two groups of worm wheels 14. A first motor 10 is fixedly installed on one side of the ingredient box 1, and the output shaft of the first motor 10 is fixedly installed on one end of the bidirectional worm 11. When the first motor 10 is started, the output shaft of the first motor 10 drives the bidirectional worm 11 to rotate, and the rotation of the bidirectional worm 11 drives the two groups of worm wheels 14 and the rotating rod 12 to rotate in the opposite direction, so that the stirring rod 13 on the outer wall of the rotating rod 12 can stir and mix the raw materials.

[0038] An isolation cover 15 is fixedly installed on the inner top of the batching box 1, the connection between the rotating rod 12 and the bidirectional worm 11 is located on the inner side of the isolation cover 15, and the rotating rod 12 and the bottom of the isolation cover 15 are rotatably installed to isolate the connection between the worm wheel 14 and the bidirectional worm 11 to prevent the raw materials from contacting the connection between the worm wheel 14 and the bidirectional worm 11.

[0039] The outer walls of the two groups of rotating rods 12 are fixedly mounted with guide plates 16, which are fixedly mounted on the inner wall of the batching box 1, and are inclined to facilitate the discharge of the drilling fluid.

[0040] A discharge pipe 17 is fixedly installed on the other side of the batching box 1, and the discharge pipe 17 is provided with a valve.

[0041] The bottom of the raw material box 2 is arranged at an incline.

[0042] Working principle: By manually twisting the third knob 24, the rotation of the third knob 24 drives the second threaded block 23 to rotate, and the rotation of the second threaded block 23 drives the threaded block B25 and one end of the linkage rod 26 to move, so that the other end of the linkage rod 26 and the piston plate 27 move in the material trough, and the depth of the material trough can be adjusted. By manually twisting the first knob 7, the rotation of the first knob 7 drives the threaded rod 6 to rotate, and the rotation of the threaded rod 6 drives the first threaded block 8 and the fixed plate 9 to move, and the position between the feed port A and the feed port B is adjusted. The raw materials are put into the interior of the material box 4, and the raw materials can be screened through the discharge port A and the discharge port B, so that the qualified raw materials fall into the material trough of the round material box 18. By starting the second motor 20, the output shaft of the second motor 20 drives the fixed shaft, the round material box 18, and the synchronous gear 21 to rotate. The synchronous gear 21 drives another set of synchronous gears 21 and the round material box 18 to rotate synchronously through the synchronous toothed belt 22. The rotation of the round material box 18 transports the raw materials in the material trough to the inside of the batching box 1. By starting the first motor 10, the output shaft of the first motor 10 drives the bidirectional worm 11 to rotate. The rotation of the bidirectional worm 11 drives the two sets of worm wheels 14 and the rotating rod 12 to rotate in opposite directions, so that the stirring rod 13 on the outer wall of the rotating rod 12 can stir and mix the raw materials. After the raw materials are mixed, the valve of the discharge pipe 17 is opened to discharge the drilling fluid through the discharge pipe 17.

[0043] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An automatic liquid dispensing device for tunnel drilling fluid, comprising a dispensing box (1) and a raw material box (2), wherein a feed port is provided at the top of the raw material box (2), two groups of discharge ports are provided at the bottom of the raw material box (2), the bottom of the raw material box (2) is fixedly mounted on the bottom of the dispensing box (1), and the raw material box (2) is communicated with the interior of the dispensing box (1), two groups of round material boxes (18) are rotatably mounted on the front and rear sides of the raw material box (2), the round material box (18) is provided with a material trough, a piston plate (27) is slidably mounted in the material trough, a feed box (4) is provided in the feed port, a fixed block (5) is fixedly mounted on the top of the feed box (4), the fixed block (5) is placed on the top of the dispensing box (1), a fixed plate (9) is provided at the bottom of the feed box (4), a feed port A is provided at the bottom of the feed box (4), and a feed port B is provided on the fixed plate (9), wherein: Also includes: A material separator (3) fixedly mounted on the inner wall of the raw material box (2), the material separator (3) dividing the inner side of the raw material box (2) into two left and right areas, and a moving component mounted on the bottom of the fixed plate (9), which is used to drive the fixed plate (9) to move; A driving unit installed at the rear side of the round material box (18), used to drive the two groups of round material boxes (18) to rotate through the driving unit; The lifting structure installed inside the round material box (18) is used to drive the piston plate (27) to move up and down.

2. The automatic liquid dispensing equipment for tunnel drilling fluid according to claim 1, characterized in that: The moving assembly comprises a threaded rod (6), a first knob (7) and a first threaded block (8). There are two groups of threaded rods (6). The two groups of threaded rods (6) are rotatably mounted on both sides of the raw material box (2) respectively, and the two groups of threaded rods (6) are rotatably mounted on the partition plate (3). The first knob (7) is fixedly mounted on one end of the threaded rod (6), and the first threaded block (8) is threadedly mounted on the outer wall of the threaded rod (6), and the top of the first threaded block (8) is in contact with the bottom of the fixed plate (9).

3. The automatic liquid dispensing equipment for tunnel drilling fluid according to claim 2 is characterized in that: The driving unit comprises a fixed shaft, a cushion block (19), a second motor (20), a synchronous gear (21) and a synchronous toothed belt (22); the fixed shaft has two groups and is respectively fixedly mounted on the rear sides of the two groups of round material boxes (18); the cushion block (19) is fixedly mounted on the top outer wall of the batching box (1); the second motor (20) is fixedly mounted on the top of the cushion block (19); the synchronous gear (21) has two groups and is respectively fixedly mounted on the outer walls of the two groups of fixed shafts; the synchronous toothed belt (22) is sleeved on the two groups of synchronous gears (21), and the synchronous toothed belt (22) is meshed with the two groups of synchronous gears (21); and the output shaft of the second motor (20) is fixedly mounted on one end of a group of fixed shafts.

4. The automatic liquid dispensing equipment for tunnel drilling fluid according to claim 3 is characterized in that: The lifting structure comprises a second threaded block (23), a third knob (24), a threaded block B (25) and a linkage rod (26); the second threaded block (23) is rotatably mounted on both sides of the material trough; the third knob (24) is fixedly mounted on both ends of the second threaded block (23); the threaded block B (25) is threadedly mounted on the outer wall of the second threaded block (23); one end of the linkage rod (26) is hingedly mounted on the top and bottom of the threaded block B (25); and the other end of the linkage rod (26) is hingedly mounted on the piston plate (27).

5. The automatic liquid dispensing equipment for tunnel drilling fluid according to claim 4, characterized in that: Two groups of rotating rods (12) are rotatably mounted on the top and bottom of the inner side of the batching box (1), stirring rods (13) are fixedly mounted on both sides of the two groups of rotating rods (12), and the stirring rods (13) on the two groups of rotating rods (12) are staggered.

6. The automatic liquid dispensing equipment for tunnel drilling fluid according to claim 5, characterized in that: A bidirectional worm (11) is rotatably mounted on the inner walls of both sides of the batching box (1), worm wheels (14) are fixedly mounted on the outer walls of the two sets of rotating rods (12), and the bidirectional worm (11) is meshed with the two sets of worm wheels (14). A first motor (10) is fixedly mounted on one side of the batching box (1), and an output shaft of the first motor (10) is fixedly mounted on one end of the bidirectional worm (11).

7. The automatic liquid dispensing equipment for tunnel drilling fluid according to claim 6, characterized in that: An isolation cover (15) is fixedly installed on the inner top of the batching box (1), the connection between the rotating rod (12) and the bidirectional worm gear (11) is located on the inner side of the isolation cover (15), and the rotating rod (12) is rotatably installed on the bottom of the isolation cover (15).

8. The automatic liquid dispensing equipment for tunnel drilling fluid according to claim 7, characterized in that: The outer walls of the two groups of rotating rods (12) are fixedly mounted with material guide plates (16), the material guide plates (16) are fixedly mounted on the inner walls of the batching box (1), and the material guide plates (16) are arranged in an inclined manner.

9. The automatic liquid dispensing equipment for tunnel drilling fluid according to claim 8, characterized in that: A discharge pipe (17) is fixedly mounted on the other side of the batching box (1), and the discharge pipe (17) is provided with a valve.

10. The automatic liquid dispensing equipment for tunnel drilling fluid according to claim 9, characterized in that: The bottom of the raw material box (2) is arranged in an inclined manner.

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