CN110939563A

CN110939563A - Bean gravel pump

Info

Publication number: CN110939563A
Application number: CN201911285166.1A
Authority: CN
Inventors: 孙振兴; 王晓军; 孙来彬; 吴云利; 兰成
Original assignee: Chengdu Rail Construction Management Co Ltd
Current assignee: Chengdu Rail Construction Management Co Ltd; Chengdu Rail Transit Construction Management Co Ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-03-31
Anticipated expiration: 2039-12-13
Also published as: CN110939563B

Abstract

The invention discloses a gravel and bean pump, which comprises a feeding device and a feeding device, wherein the feeding device is connected with the feeding device; the feeding device comprises a feeding channel and a crushing channel, and the tail ends of the feeding channel and the crushing channel are communicated; the feeding device comprises a material distribution device, a plurality of material spraying pipes, an air inlet channel and an injection channel, wherein one end of each material spraying pipe is connected with the air inlet channel, the other end of each material spraying pipe is connected with the injection channel, the material distribution device comprises a plurality of material distribution channels, the tail ends of the material distribution channels are arranged in the material spraying pipes, and the material distribution channels are provided with switches; the tail end of the injection channel is provided with a monitoring device; the small-sized gravel beans can pass through the filter screen after being screened by the filter screen, and the large-sized gravel beans slide into the crushing channel, are crushed by the crushing device and then enter the material distribution channel, so that the large-sized gravel beans are prevented from entering the inside of the gravel pump to cause blockage; by observing the movement of the baffle ring, the pea gravel worker can clearly know the backfill condition.

Description

Bean gravel pump

Technical Field

The invention relates to the technical field of traffic tunnel design and construction engineering, in particular to a gravel-bean pump.

Background

The tunnel engineering of the TBM tunneling section consists of four procedures of tunneling, prefabricated segment lining, pea gravel backfilling and grouting, wherein the pea gravel backfilling and the grouting are two important links of the TBM construction, and when the pea gravel backfilling is carried out in the prior art, the pea gravel is pressed and sent to a spray head to a cavity between the outer side of a segment and surrounding rocks through a pipeline by compressed air.

The both sides of section of jurisdiction, top are provided with the preformed hole respectively, when the preformed hole of gravel and beans follow section of jurisdiction top backfills, need manipulator and gravel and beans worker to cooperate closely, and especially gravel and beans worker will carefully observe the condition of filling, just stop filling when gravel and beans worker feels that there is not gravel and flows in the pipeline. The backfilling method can easily cause the blockage of the pea gravel in the pipeline, and has great potential safety hazard.

Meanwhile, the gravel-bean pump in the prior art does not have a screening function on gravel-bean, and after larger-sized gravel-bean enters the gravel-bean pump, the gravel-bean can be blocked in a pipeline, so that the construction period is influenced.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the object of the present invention is to: the utility model provides a pea gravel pump, can monitor whether backfill finishes when carrying out the pea gravel backfill to the section of jurisdiction top, make the workman can in time close the pea gravel pump and prevent to take place the explosion accident because of blockking up, simultaneously, can screen and reprocess the pea gravel that gets into the pea gravel pump, prevent that big size pea gravel from getting into the pea gravel pump and making the inside jam of pea gravel pump.

In order to achieve the purpose, the invention provides the following technical scheme:

a gravel and bean pump comprises a feeding device and a feeding device, wherein the feeding device is connected with the feeding device; the feeding device comprises a feeding channel and a crushing channel, the feeding channel is provided with a filter screen, the filter screen is obliquely arranged in the feeding channel, the projection of the filter screen on the axis of the inlet of the feeding channel at least can completely cover the inlet of the feeding channel, the lowest end of the filter screen is arranged in the crushing channel, and the feeding channel is communicated with the tail end of the crushing channel; a crushing device is arranged in the crushing channel and is used for crushing the pea gravel in the crushing channel; the feeding device comprises a material distribution device, a plurality of material spraying pipes, an air inlet channel and an injection channel, wherein one end of each material spraying pipe is connected with the air inlet channel, air in the air inlet channel can be introduced into the injection channel, the other end of each material spraying pipe is connected with the injection channel, and the bean gravel in the material spraying pipes can enter the injection channel; the material distributing device comprises a plurality of material distributing channels, and the tail ends of the material distributing channels are arranged in the material spraying pipes; the end of injection passage is provided with monitoring device, monitoring device includes that elasticity resets, observes a section of thick bamboo, observes the chamber, goes out the feed cylinder, keeps off the ring, go out the feed cylinder with injection passage exit linkage, it establishes to observe the barrel cover outside going out the feed cylinder lateral wall, it arrives to observe a section of thick bamboo inside wall go out the space formation between the feed cylinder lateral wall observe the chamber, elasticity resets, keeps off the ring setting and is in observe in the chamber, elasticity reset one end with go out the feed cylinder entrance and connect, elasticity reset the other end of piece with keep off the ring and connect, keep off the ring respectively with observe a section of thick bamboo inside wall and go out feed cylinder lateral wall seamless connection, and can slide in observing the chamber, it is transparent material to observe a section of thick bamboo.

Furthermore, a plurality of baffle plates A are arranged in the material distribution channel in a staggered mode, the baffle plates A are arranged in the material distribution channel in a staggered mode to form a circuitous channel, and the bean gravel can move in the circuitous channel.

Furthermore, a baffle B is obliquely arranged at the end of the material distribution channel connected with the material spraying pipe, the connecting point of the baffle B and the material distribution channel is positioned at one side close to the air inlet channel, the included angle between the baffle B and the axial lead of the material spraying pipe is smaller than 90 degrees, and the distance from the lowest end of the baffle B to the inlet of the material spraying pipe is greater than the distance from the highest end of the baffle B to the inlet of the material spraying pipe.

Furthermore, spout the material pipe and include major diameter section, path section, major diameter section with air inlet channel connects, divide the material passageway with spout the material pipe and be connected in the path section.

Furthermore, the material distributing channels are of square funnel structures, and the tops of the funnel side plates of the adjacent material distributing channels are connected to form a conical structure.

Furthermore, a through hole is formed in the side wall of one side of the material distribution channel, an inner boss is arranged on the inner side wall, opposite to the side wall provided with the through hole, in the material distribution channel, an inserting piece is movably arranged in the through hole, the bottom surface of the inserting piece is arranged above the top surface of the inner boss and can be at least partially contacted with the top surface of the inner boss, and the inserting piece can completely shield the channel for the movement of the bean gravel in the material distribution channel.

Furthermore, the crushing device comprises a plurality of crushing rollers and a driving device, and the driving device is connected with the crushing rollers and drives the crushing rollers to rotate.

Compared with the prior art, the invention has the following beneficial effects:

before the pea gravel enters the feeding channel, the pea gravel firstly passes through the filter screen, small-sized pea gravel can pass through the filter screen, large-sized pea gravel slides into the crushing channel, and after being crushed by the crushing device, the large-sized pea gravel enters the material distributing channel, so that the large-sized pea gravel is prevented from entering the inside of the pea gravel pump to cause blockage.

The gravel beans falling from the material distribution channel further enter the material spraying pipes, and the plurality of material spraying pipes are arranged, so that the working pressure of the gravel bean pump is reduced, and meanwhile, other material spraying pipes can continue to work when a certain material spraying pipe breaks down.

When the pea gravel is backfilled on the top of the duct piece, the pea gravel can be accumulated in the pea gravel pipeline after the inner part is backfilled, when a certain amount of the pea gravel is accumulated, the baffle ring arranged in the observation cavity can be pushed to move, and a pea gravel worker can clearly know the backfilling condition by observing the moving condition of the baffle ring.

Drawings

FIG. 1 is a block diagram of a gravel-bean pump according to the present invention;

FIG. 2 is a view showing an internal structure of the feeding device;

FIG. 3 is a view showing the internal structure of the spray tube;

FIG. 4 is a view showing the structure of a feed device;

FIG. 5 is a view of the construction of the feed divider;

FIG. 6 is a view showing the construction of a monitoring apparatus;

fig. 7 is an internal structure view of the monitoring device.

List of reference numerals

1-feeding device, 2-feeding device, 3-monitoring device, 101-filter screen, 102-feeding channel, 103-crushing channel, 104-crushing roller, 105-driving device, 201-material spraying pipe, 202-spraying channel, 203-material distributing device, 204-air inlet channel, 2011-small diameter section, 2012-large diameter section, 2031-insertion piece, 2032-conical structure, 2033-baffle A, 2034-material distributing channel, 2035-baffle B, 2036-inner boss, 301-baffle ring, 302-elastic resetting piece, 303-observation cylinder and 304-discharge cylinder.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention

And to simplify the description, it is not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be taken as limiting the invention. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, integrally connected, or detachably connected; may be communication within two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations.

As shown in fig. 1, 2, 3, 4, 5 and 6, the gravel and bean pump comprises a feeding device 1 and a feeding device 2, wherein the feeding device 1 is connected with the feeding device 2; wherein the feeding device 1 comprises a feeding channel 102 and a crushing channel 103, the feeding channel 102 is provided with a filter screen 101, the filter screen 101 is obliquely arranged in the feeding channel 102, the projection of the filter screen 101 on the inlet axis of the feeding channel 102 at least can completely cover the inlet of the feeding channel 102, the lowest end of the filter screen 101 is arranged in the crushing channel 103, and the feeding channel 102 is communicated with the tail end of the crushing channel 103; a crushing device is arranged in the crushing channel 103 and is used for crushing the gravel beans in the crushing channel 103; the feeding device 2 comprises a material distributing device 203, a plurality of material spraying pipes 201, an air inlet channel 204 and an injection channel 202, wherein one end of each material spraying pipe 201 is connected with the air inlet channel 204, air in the air inlet channel 204 can be introduced into the injection channel 202, the other end of each material spraying pipe 201 is connected with the injection channel 202, and bean gravel in the material spraying pipes 201 can enter the injection channel 202; the material distributing device 203 comprises a plurality of material distributing channels 2034, and the tail ends of the material distributing channels 2034 are arranged in the material spraying pipe 201; as shown in fig. 6, the end of the injection channel 202 is provided with a monitoring device 3, the monitoring device 3 includes an elastic reset piece 302, an observation cylinder 303, an observation cavity, a discharge cylinder 304 and a baffle ring 301, the discharge cylinder 304 is connected with the outlet of the injection channel 202, the observation cylinder 303 is sleeved outside the side wall of the discharge cylinder 304, the inner side wall of the observation cylinder 303 reaches the space between the outer side walls of the discharge cylinder 304 to form the observation cavity, the elastic reset piece 302 and the baffle ring 301 are arranged in the observation cavity, one end of the elastic reset piece 302 is connected with the inlet of the discharge cylinder 304, the other end of the elastic reset piece 302 is connected with the baffle ring 301, the baffle ring 301 is respectively connected with the inner side wall of the observation cylinder 303 and the outer side wall of the discharge cylinder 304 in a seamless manner, and can slide in the observation cavity, and the observation cylinder 303 is made of a transparent material.

Before entering the feeding channel 102, the gravel beans firstly pass through the filter screen 101, the small-sized gravel beans can pass through the filter screen 101, the large-sized gravel beans slide into the crushing channel 103, and after being crushed by the crushing device, the large-sized gravel beans enter the material distributing channel 2034, so that the large-sized gravel beans are prevented from entering the inside of the gravel pump to cause blockage.

The gravel beans falling from the material distributing channel 2034 further enter the material spraying pipes 201, and by arranging the plurality of material spraying pipes 201, the working pressure of the gravel bean pump is reduced, and meanwhile, when one material spraying pipe 201 fails, other material spraying pipes 201 can continue to work.

When the pea gravel is backfilled on the top of the duct piece, the pea gravel can be accumulated in the pea gravel pipeline after the backfilling is finished, when a certain amount of the pea gravel is accumulated, the baffle ring 301 arranged in the observation cavity can be pushed to move, a pea gravel worker can clearly know the backfilling condition by observing the moving condition of the baffle ring 301, and the pea gravel pump can be finished in time when the backfilling is finished; the elastic resetting piece 302 provides resetting force for the blocking sheet, so that the blocking ring 301 is in an initial position before next refilling.

As shown in fig. 5, a plurality of baffles a2033 are staggered in the material distributing channel 2034, the baffles a2033 are staggered in the material distributing channel 2034 to form a circuitous channel, and the gravel and beans can move in the circuitous channel. The baffle A2033 is arranged to block the wind in the material spraying pipe 201.

As shown in fig. 3, further, a baffle B2035 is obliquely arranged at an end of the material distributing channel 2034 connected to the material spraying pipe 201, a connection point of the baffle B2035 and the material distributing channel 2034 is located at one side close to the air intake channel 204, an included angle between the baffle B2035 and an axial lead of the material spraying pipe 201 is smaller than 90 degrees, and a distance from a lowest end of the baffle B2035 to an inlet of the material spraying pipe 201 is greater than a distance from a highest end of the baffle B2035 to an inlet of the material spraying pipe 201. By arranging the baffle B2035, compressed air in the injection pipe 201 is prevented from being directly blown into the material distributing channel 2034.

Further, the material spraying pipe 201 comprises a large-diameter section 2012 and a small-diameter section 2011, the large-diameter section 2012 is connected with the air inlet channel 204, and the material distributing channel 2034 is connected with the material spraying pipe 201 in the small-diameter section 2011. When the compressed air enters the small diameter section 2011 from the large diameter section 2012, the compressed air can be further pressurized, and the wind speed is increased.

Further, the distributing channels 2034 are square funnel structures, and the tops of the funnel side plates of adjacent distributing channels 2034 are connected to form a conical structure 2032. The tapered structures 2032 are provided to allow gravel to fall into the distributing channels 2034, respectively.

Furthermore, a through hole is formed in a side wall of the material distributing channel 2034, an inner boss 2036 is disposed on an inner side wall of the material distributing channel 2034 opposite to the side wall on which the through hole is formed, an insertion sheet 2031 is movably disposed in the through hole, a bottom surface of the insertion sheet 2031 is disposed above a top surface of the inner boss 2036 and can at least partially contact the top surface of the inner boss 2036, and the insertion sheet 2031 can completely shield a channel through which the beans and gravels move in the material distributing channel 2034. The inner boss 2036 supports the insert 2031, and the insert 2031 opens and closes the feed channel 2034.

As shown in fig. 7, the crushing device further includes a plurality of crushing rollers 104 and a driving device 105, and the driving device 105 is connected to the crushing rollers 104 and drives the crushing rollers 104 to rotate. When the large-sized gravel beans pass through the gaps between the pulverizing rollers 104, they can be pulverized by the crushing action of the pulverizing rollers 104.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments in the above-described embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition. In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. The gravel-bean pump is characterized by comprising a feeding device (1) and a feeding device (2), wherein the feeding device (1) is connected with the feeding device (2); wherein the feeding device (1) comprises a feeding channel (102) and a crushing channel (103), the feeding channel (102) is provided with a filter screen (101), the filter screen (101) is obliquely arranged in the feeding channel (102), the projection of the filter screen (101) on the inlet axis of the feeding channel (102) at least can completely cover the inlet of the feeding channel (102), the lowest end of the filter screen (101) is arranged in the crushing channel (103), and the feeding channel (102) is communicated with the tail end of the crushing channel (103); a crushing device is arranged in the crushing channel (103) and is used for crushing the gravel and beans in the crushing channel (103); the feeding device (2) comprises a material distributing device (203), a plurality of material spraying pipes (201), an air inlet channel (204) and an injection channel (202), one end of each material spraying pipe (201) is connected with the air inlet channel (204), air in the air inlet channel (204) can be introduced into the injection channel (202), the other end of each material spraying pipe (201) is connected with the injection channel (202), and bean gravel in the material spraying pipes (201) can enter the injection channel (202); the material distributing device (203) comprises a plurality of material distributing channels (2034), and the tail ends of the material distributing channels (2034) are arranged in the material spraying pipe (201); the tail end of the injection channel (202) is provided with a monitoring device (3), the monitoring device (3) comprises an elastic reset piece (302), an observation barrel (303), an observation cavity, a discharge barrel (304) and a baffle ring (301), the discharge barrel (304) is connected with an outlet of the injection channel (202), the observation barrel (303) is sleeved outside the side wall of the discharge barrel (304), the space from the inner side wall of the observation barrel (303) to the outer side wall of the discharge barrel (304) forms the observation cavity, the elastic reset piece (302) and the baffle ring (301) are arranged in the observation cavity, one end of the elastic reset piece (302) is connected with the inlet of the discharge barrel (304), the other end of the elastic reset piece (302) is connected with the baffle ring (301), the baffle ring (301) is respectively connected with the inner side wall of the observation barrel (303) and the outer side wall of the discharge barrel (304) in a seamless way, and can slide in the observation cavity, and the observation tube (303) is made of transparent materials.

2. The gravel-bean pump according to claim 1, characterized in that several baffles a (2033) are staggered in the feed channel (2034), the baffles a (2033) are staggered in the feed channel (2034) to form a circuitous channel in which gravel-bean can move.

3. The gravel-bean pump according to claim 2, wherein a baffle plate B (2035) is obliquely arranged at the end of the feed channel (2034) connected with the feed pipe (201), the connecting point of the baffle plate B (2035) and the feed channel (2034) is positioned at one side close to the air intake channel (204), the included angle between the baffle plate B (2035) and the axial lead of the feed pipe (201) is less than 90 degrees, and the distance from the lowest end of the baffle plate B (2035) to the inlet of the feed pipe (201) is greater than the distance from the highest end of the baffle plate B (2035) to the inlet of the feed pipe (201).

4. The gravel and bean pump of claim 3, wherein the injection pipe (201) comprises a large-diameter section (2012) and a small-diameter section (2011), the large-diameter section (2012) is connected with the air inlet channel (204), and the distribution channel (2034) is connected with the injection pipe (201) at the small-diameter section (2011).

5. The gravel pump according to claim 4, wherein the feed channels (2034) are square funnel structures, and the tops of the funnel side plates of adjacent feed channels (2034) are connected to form a cone structure (2032).

6. The gravel pump according to claim 5, wherein a through hole is arranged on one side wall of the material distributing channel (2034), an inner boss (2036) is arranged on the inner side wall of the material distributing channel (2034) opposite to the side wall provided with the through hole, an inserting sheet (2031) is movably arranged in the through hole, the bottom surface of the inserting sheet is arranged above the top surface of the inner boss (2036) and can be at least partially contacted with the top surface of the inner boss (2036), and the inserting sheet (2031) can completely shade the channel of the gravel moving in the material distributing channel (2034).

7. Gravel pump according to claim 6, characterized in that the crushing means comprise several crushing rollers (104), drive means (105), the drive means (105) being connected to the crushing rollers (104) and driving the crushing rollers (104) in rotation.