阅读说明：本技术 抽砂装置 (Sand pumping device ) 是由 潘岐深 郑松源 谢建礼 黄澄 陈彩娜 张壮领 陈敏强 伍浩培 毕明利 莫一夫 徐 于 2021-08-05 设计创作，主要内容包括：本发明公开了一种抽砂装置,包括：负压净化组件和负压抽砂组件,负压抽砂组件与负压净化组件连通；负压净化组件用于对风砂稀相混合物进行一级分离,降尘器,设置在机架与负压旋流器之间,汽包,设置在机架上,用于去除降尘器上的砂粒。通过设置汽包、在负压旋流器内部设置合金内衬,以及降尘器,使得风砂稀相混合物进行一级分离,再通过降尘器对微米级尘埃进行二级分离,负压旋流器内部的合金内衬使得负压旋流器的耐磨性得到明显提升,以及汽包的设置能够将积蓄在降尘器上的砂粒去除,以保障抽砂装置可靠持久的工作。(The invention discloses a sand pumping device, which comprises: the negative pressure sand pumping assembly is communicated with the negative pressure purification assembly; the negative pressure purification assembly is used for carrying out primary separation on the air-sand dilute phase mixture, the dust settling device is arranged between the rack and the negative pressure cyclone, and the steam drum is arranged on the rack and used for removing sand grains on the dust settling device. Through setting up the steam pocket, at the inside alloy inside lining that sets up of negative pressure swirler to and the dust fall ware, make wind sand dilute phase mixture carry out the primary grade separation, rethread dust fall ware carries out the secondary grade separation to micron order dust, the inside alloy inside lining of negative pressure swirler makes the wearability of negative pressure swirler obtain obviously promoting, and the setting of steam pocket can get rid of the sand grain of saving on the dust fall ware, in order to guarantee to take out the reliable lasting work of sand device.)

1. Sand pumping device, its characterized in that includes: the negative pressure sand pumping assembly is communicated with the negative pressure purification assembly;

the sand subassembly is taken out to negative pressure includes: the sand pumping mechanism, the pitching mechanism and the slewing mechanism are respectively connected with the sand pumping mechanism and drive the sand pumping mechanism to move in a working range;

the negative pressure purifies the subassembly and includes:

a machine frame, a plurality of guide rails and a plurality of guide rails,

the negative pressure swirler is provided with an alloy lining and is arranged on the frame and used for carrying out primary separation on the air-sand dilute-phase mixture,

a dust settling device arranged between the frame and the negative pressure cyclone for secondary separation of micron-sized dust after primary separation,

and the steam pocket is arranged on the frame and used for removing sand grains on the dust remover.

2. The sand pumping device of claim 1, wherein the sand pumping mechanism comprises a sand pumping head, a connecting pipe, a negative pressure component and a sand silo, the sand pumping head is connected with the sand silo through the connecting pipe, the negative pressure component drives sand grains to be conveyed to the negative pressure purification component along the connecting pipe, and the connecting pipe is connected with the slewing mechanism to drive the sand pumping head to rotate.

3. The sand pumping device of claim 2, wherein the pitching mechanism is connected between the rotating member and the connecting tube to pitch the sand pumping head.

4. The sand pumping device of claim 2, wherein the bottom of the sand silo is provided with a sand silo discharge gate for controlling the flow of sand.

5. The sand pumping device according to claim 2, wherein a hollow box is connected to an upper portion of the sand silo, the frame is connected to a side wall of the hollow box, the dust falling device is disposed in the box, the negative pressure cyclone is disposed at a lower portion of the box, the negative pressure cyclone and the dust falling device are connected to form an integrated structure through a closing-up connecting part, and the closing-up connecting part is disposed at a lower portion of the dust falling device and is tightly connected to the frame.

6. The sand extraction device of claim 1 wherein the vacuum cyclone has a plurality of water and oil resistant cartridges therein.

7. The sand pumping apparatus of claim 6 wherein the negative pressure cyclone further comprises a guardrail with foot rests disposed on the frame, the guardrail being used to service the negative pressure clean-up assembly.

8. The sand extraction device of claim 1 wherein the steam drum is disposed on a side of the frame, and a working end of the steam drum is disposed in correspondence with an upper end of the water and oil resistant filter cartridge.

9. The sand extraction device as claimed in claim 8, wherein an air pipe is arranged between the steam drum and the water and oil resistant filter cylinder, the air pipe extends from one end of the steam drum to the upper end of the water and oil resistant filter cylinder, and an air outlet end extends from the position, corresponding to the water and oil resistant filter cylinder, on the air pipe.

10. The sand extraction device as claimed in claim 9, wherein a pulse valve is connected between the steam pocket and the gas conveying pipe, and the pulse valve is used for controlling the opening and closing of the passage between the gas conveying pipe and the steam pocket.

Technical Field

The invention relates to the technical field of sand suction, in particular to a negative-pressure sand suction device.

Background

The underground power transmission cable is laid in the cable trench and is filled with sand to cover the cable. When the cable breaks down and needs to be overhauled, the sand is discharged from the rear part to carry out fault maintenance or overhaul.

No matter at present is sand-lined or sand discharging, all adopt the form of artifical backfill to go on, waste time and energy to have the potential safety hazard, moreover because cable pit inner space is narrow and small, make artifical sand-pumping sand-discharging inefficiency, distance is far away between two adjacent working wells, and the cable ditch section that leads to between two working wells is difficult to in time accomplish the work of taking out sand through artificial mode, has further reduced work efficiency.

Disclosure of Invention

In view of the above, the object of the present invention is: the utility model provides a gravel material suction device to solve the problem that the sand pumping sand-discharging is inefficient in the cable pit.

In order to achieve one or part or all of the purposes or other purposes, the invention provides a sand pumping device, which comprises a negative pressure purification assembly and a negative pressure sand pumping assembly, wherein the negative pressure sand pumping assembly is communicated with the negative pressure purification assembly; the sand subassembly is taken out to negative pressure includes: the sand pumping mechanism, the pitching mechanism and the slewing mechanism are respectively connected with the sand pumping mechanism and drive the sand pumping mechanism to move in a working range; the negative pressure purifies the subassembly and includes: the dust remover comprises a frame, a negative pressure cyclone, a dust remover and a steam pocket, wherein the negative pressure cyclone is provided with an alloy lining and is arranged on the frame and used for carrying out primary separation on a wind-sand dilute-phase mixture, the dust remover is arranged between the frame and the negative pressure purifier and used for carrying out secondary separation on micron-sized dust subjected to the primary separation, and the steam pocket is arranged on the frame and used for taking out sand grains on the dust remover.

Optionally, the sand pumping mechanism comprises a sand pumping head, a connecting pipe, a negative pressure component and a sand silo, the sand pumping head is connected with the sand silo through the connecting pipe, the negative pressure component drives sand grains to be conveyed to the negative pressure purification component along the connecting pipe, and the connecting pipe is connected with the slewing mechanism so as to drive the sand pumping head to rotate.

Optionally, the pitching mechanism is connected between the rotating component and the connecting pipe to drive the sand pumping head to perform pitching motion.

Optionally, a sand silo discharge valve is arranged at the bottom of the sand silo and used for controlling the flow direction of sand grains.

Optionally, the cavity box is being connected on the upper portion in sand silo, the frame with the lateral wall of cavity box is connected, the dust fall ware sets up in the box, negative pressure swirler sets up the lower part of box, negative pressure swirler with the dust fall ware is connected formula structure as an organic whole through the adapting unit of binding off shape, binding off formula adapting unit sets up the lower part of dust fall ware with frame fastening connection.

Optionally, the negative pressure cyclone has a plurality of water and oil resistant cartridges therein.

Optionally, the negative pressure cyclone further comprises a guardrail with a pedal plate, which is arranged on the frame, and the guardrail is used for overhauling and maintaining the negative pressure purification assembly.

Optionally, the steam drum is arranged at the side part of the frame, and the working end of the steam drum is arranged corresponding to the open end of the water and oil resistant filter cylinder.

Optionally, an air pipe is arranged between the steam drum and the water and oil proof filter cylinder, and extends from one end of the steam drum to the upper end of the water and oil proof filter cylinder, and an air outlet end extends from the position, corresponding to the water and oil proof filter cylinder, on the air pipe.

Optionally, a pulse valve is connected between the steam drum and the gas conveying pipe, and the pulse valve is used for controlling the opening and closing of a passage between the gas conveying pipe and the steam drum.

The implementation of the invention has the following beneficial effects:

through setting up the steam pocket, at the inside alloy inside lining that sets up of negative pressure swirler to and the dust fall ware, make wind sand dilute phase mixture carry out the primary grade separation, rethread dust fall ware carries out the secondary grade separation to micron order dust, the inside alloy inside lining of negative pressure swirler makes the wearability of negative pressure swirler obtain obviously promoting, and the setting of steam pocket can get rid of the sand grain of saving on the dust fall ware, in order to guarantee to take out the reliable lasting work of sand device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of one embodiment of a sand extraction device according to the present invention;

FIG. 2 is a schematic view of one embodiment of a sanding head of the present invention;

FIG. 3 is a schematic view of one embodiment of a negative pressure purging assembly of the present invention;

FIG. 4 is a cross-sectional view of one embodiment of the negative pressure purging assembly of the present invention.

In the figure: 10-a negative pressure sand pumping assembly; 11-a sand pumping mechanism; 111-a sand extraction head; 112-connecting tube; 113-a negative pressure component; 114-a sand silo; 1141-sand silo discharge valve; 115-hollow box; 12-a pitch mechanism; 13-a slewing mechanism; 20-a negative pressure purification assembly; 21-a frame; 22-a negative pressure cyclone; 221-a water and oil repellent cartridge; 222-a guardrail; 23-a dust-settling device; 24-steam drum; 241 parts of a gas conveying pipe; 241 a-air outlet end; 242-pulse valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

It should be noted that if directional indications (such as according to the upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship, movement, etc. of the components in a specific posture (according to the figure), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Fig. 1 is a schematic view of an embodiment of a sand pumping device according to the present invention, fig. 2 is a schematic view of an embodiment of a sand pumping head according to the present invention, fig. 3 is a schematic view of an embodiment of a negative pressure purification assembly according to the present invention, fig. 4 is a cross-sectional view of an embodiment of the negative pressure purification assembly in fig. 3, referring to fig. 1 to 4, the sand pumping device includes a negative pressure sand pumping assembly 10 and a negative pressure purification assembly 20, and the negative pressure sand pumping assembly 10 is communicated with the negative pressure purification assembly 20. The negative pressure sand pumping assembly 10 comprises: the sand pumping mechanism 11, the pitching mechanism 12 and the rotating mechanism 13, wherein the rotating mechanism 13 and the pitching mechanism 12 are respectively connected with the sand pumping mechanism 11 and drive the sand pumping mechanism 11 to move in the working range; the negative pressure purification assembly 20 comprises a frame 21 and a negative pressure cyclone 22, wherein an alloy lining is arranged in the negative pressure cyclone 22 to ensure that the negative pressure cyclone 22 has strong enough friction resistance, and the negative pressure cyclone 22 is arranged on the frame 21 and used for carrying out primary separation on a wind-sand dilute-phase mixture to separate sand and water; the dust settling device 23 is arranged between the frame 21 and the negative pressure cyclone 22 and is used for carrying out secondary separation on the micron-sized dust subjected to the primary separation, and optionally, the dust settling device 23 is a filter; the steam pocket 24 is provided on the frame 21, and is used for removing sand accumulated on the dustfall device 23, so that the dustfall device 23 can be continuously operated without being blocked, and sedimentation and transportation of the sand can be promoted to a certain extent.

In some embodiments, the sand pumping mechanism 11 includes a sand pumping head 111, a connecting pipe 112, a negative pressure component 113 and a sand silo 114, the sand pumping head 111 is connected to the sand silo 114 through the connecting pipe 112, the negative pressure component 113 drives sand grains to be transported to the negative pressure cleaning assembly 20 along the connecting pipe 112, and the connecting pipe 112 is connected to the swing mechanism 13 to drive the sand pumping head 111 to rotate. The connection pipe 112 may be formed of an integral pipe, or may be formed of a plurality of pipes combined together, as a whole in a bent pipe shape. Optionally, the inside of the connection pipe 112 is an alloy substrate to enhance the wear resistance of the connection pipe 112 and ensure that the connection pipe 112 can work reliably for a long time. Optionally, the negative pressure component 113 is a negative pressure pump, and the aeolian sand thin-phase material is conveyed to the sand silo 114 through the action of the negative pressure pump. Alternatively, the swing mechanism 13 is disposed at the end of the connecting pipe 112 or in the middle of the connecting pipe 112, the swing mechanism 13 includes a rotating flange and a power component for driving the rotating flange to rotate, the connecting pipe 112 is driven to move by the swing mechanism 13, and the sand extracting head 111 is driven to move by the connecting pipe 112, so that the sand extracting head 111 can flexibly perform sand extracting operation in the working area thereof. Optionally, one end of the pitching mechanism 12 is connected to the connecting pipe 112, and the other end of the pitching mechanism 12 is connected to the flange of the slewing mechanism 13 to form an integrated structure, and the pitching mechanism 12 drives the connecting pipe 112 to move, thereby driving the sand extracting head 111 to move in the vertical space. The pitching mechanism 12 and the slewing mechanism 13 enable the sand pumping head 111 to move in the horizontal space and the vertical space in the working area, so that the sand pumping device of the embodiment of the invention has good operability and adaptability, and the working efficiency of the sand pumping device can be improved to a certain extent.

The bottom of the sand silo 114 is provided with a sand silo discharge gate 1141 for controlling the flow direction of sand in the sand silo 114. Specifically, the sand silo discharge gate 1141 is used for opening or closing the on-off for conveying sand, so that sand is conveyed according to the working sequence. The upper part of the sand bin 114 is also connected with a hollow box body 115, the hollow box body 115 is used for containing sand grains, the frame 21 is connected with the side wall of the hollow box body 115, the dust falling device 23 is arranged in the hollow box body 115, the negative pressure cyclone 22 is arranged at the lower part of the hollow box body 115, the negative pressure cyclone 22 and the dust falling device 23 are connected into an integral structure through a connecting part in a closing shape, and the closing connecting part is arranged at the lower part of the dust falling device 23 and is fixedly connected with the frame 21.

A plurality of water-proof and oil-proof filter cylinders 221 are arranged in the negative pressure cyclone 22, and the water-proof and oil-proof filter cylinders 221 are used for separating sand grains from air to realize secondary separation of micron-sized dust. Optionally, the waterproof and oilproof filter cylinder 221 is of a long cylinder structure as a whole, and a filter element is arranged in the middle of the waterproof and oilproof filter cylinder 221 or the waterproof and oilproof filter cylinder 221 is of a filter element structure as a whole, so that only negative pressure air for conveying sand grains can pass through the waterproof and oilproof filter cylinder 221, the sand grains settle at the bottom of the sand silo 114 after falling dust, and the sand grains are discharged by connecting a sand discharge device.

The negative pressure cyclone 22 further comprises a guardrail 222 with pedals, which is arranged on the frame 21, and the guardrail 222 is arranged to facilitate the maintenance of the negative pressure purification assembly 20 by an operator.

The steam pocket 24 is arranged at the side part of the frame 21, the working end of the steam pocket 24 is arranged corresponding to the upper end of the water and oil resistant filter cylinder 221, high-pressure air is instantaneously released by the steam pocket 24 to impact on the water and oil resistant filter cylinder 221, and sand accumulated on the water and oil resistant filter cylinder 221 is enabled to be deposited at the bottom of the sand bin 114 in a vibrating mode. An air pipe 241 is further arranged between the steam pocket 24 and the water and oil resistant filter cylinder 221, the air pipe 241 extends from one end of the steam pocket 24 to the upper end of the water and oil resistant filter cylinder 221, and an air outlet end 241a extends from the position, corresponding to the water and oil resistant filter cylinder 221, on the air pipe 241, so that the sand removal operation can be carried out on a plurality of water and oil resistant filter cylinders 221 through one steam pocket 24. Of course, a plurality of steam drums 24 may be provided in one-to-one correspondence with a plurality of water and oil repellent cartridges 221.

In some embodiments, a pulse valve 242 is connected between the steam pocket 24 and the air delivery pipe 241, and the pulse valve 242 is used to control the opening and closing of the passage between the air delivery pipe 241 and the steam pocket 24.

In some embodiments, the vacuum cyclone 22 of the vacuum cleaning assembly 20 is lined with a 12mm thick alloy to enhance the wear resistance of the vacuum cyclone 22. 6 water-proof and oil-proof filter cylinders 221 with the filtering area of 8 square meters and two high-pressure pulse valves 242 are arranged in the dust-settling device 23, the pulse width is 0.1s, the pressure is 0.4Mpa, the air consumption is 56L/time, and the capacity of the steam pocket 24 is 48L.

According to the embodiment of the invention, the alloy lining is arranged in the negative pressure cyclone, the dust remover is arranged for carrying out secondary separation on micron-sized dust subjected to primary separation, and the steam pocket is arranged on the frame and used for removing sand grains accumulated on the dust remover in the working process, so that the reliable and lasting operation of the sand pumping device is realized.

The technical features of the embodiments described above can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.