CN220621803U - Sand bailing tool for coal-bed gas well - Google Patents

Abstract

The utility model discloses a coal bed gas well bailing tool, which belongs to the technical field of coal gas layer exploitation and comprises a collecting cylinder, wherein a connector is fixedly arranged at the top of the collecting cylinder, the collecting cylinder is rotatably connected with middle and outer rings of two bearings, a transmission structure is penetrated in the two bearings, a conveying structure is connected above the transmission structure in a meshed manner, and the conveying structure is positioned in a cylinder body. This coal bed gas well bailing instrument through setting up transmission structure, conveying structure and bailing structure, when the drilling rod drives the collection section of thick bamboo and gets into the well drilling downwards for the inside piece that falls of well drilling can dash out netted elastic strip, is crowded into in the annular dish, and netted elastic strip can prevent effectively that massive well drilling detritus from spilling, secondly through the rotation of drilling rod drive connector, make conveying structure and transmission structure keep the meshing transmission, then can carry tiny silt through the drilling rod as conveying structure through the driving force, and then the operation of being convenient for bailing.

Description

Sand bailing tool for coal-bed gas well

Technical Field

The utility model belongs to the technical field of coal seam mining, and particularly relates to a coal seam gas well sand-bailing tool.

Background

The conventional sand bailing device is used for connecting a salvaging oil pipe generally through a suction pump, but because of the limitation of the suction pump process and the size, only small and slightly large sand grains can be difficult to be fished out, so that the research on a novel sand bailing tool for the coal-bed gas well is of great significance in solving the problems.

Disclosure of Invention

(one) solving the technical problems

In order to overcome the defects in the prior art, the utility model provides the coal-bed gas well sand-bailing tool, which solves the problems that the traditional sand-bailing device is generally connected with a sand-bailing pipe through a suction pump, but only small sediment can be pumped out and slightly larger sand is difficult to be fished out due to the limitation of the suction pump technology and the size.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a coal bed gas well bailing instrument, includes the collection section of thick bamboo, the top fixed mounting of collection section of thick bamboo has the connector, the collection section of thick bamboo rotates to be connected on the outer ring in two bearings, and wears to be equipped with transmission structure in two bearings, transmission structure's top meshing is connected with conveying structure, conveying structure is arranged in the barrel, barrel fixed connection is in the collection section of thick bamboo, top one side of barrel is equipped with the discharge gate, the discharge gate communicates with the collection section of thick bamboo, transmission structure's bottom fixedly connected with bailes the structure.

As a further aspect of the utility model: the outside of barrel has seted up a plurality of openings, and a plurality of openings are vertical range on the barrel, the bottom of collecting vessel is equipped with the shutoff layer.

As a further aspect of the utility model: the transmission structure comprises a support shaft which is fixedly connected with the two bearings, and the support shaft penetrates out of the two bearings.

As a further aspect of the utility model: the top of back shaft fixedly connected with second gear, the second gear is located the connector.

As a further aspect of the utility model: the conveying structure comprises a screw shaft, the screw shaft is positioned in the cylinder body, the screw shaft is rotationally connected to the cylinder body through a bearing, a first gear is fixedly connected to the top end of the screw shaft, and the first gear is meshed with a second gear.

As a further aspect of the utility model: the fishing structure comprises an annular disc, the annular disc is fixedly connected to the bottom end of the supporting shaft, the bottom of the annular disc is fixedly connected with a plurality of limiting cones, and the inside of the annular disc is fixedly connected with a plurality of elastic strips.

(III) beneficial effects

Compared with the prior art, the utility model has the beneficial effects that:

1. this coal bed gas well bailing instrument through setting up transmission structure, conveying structure and bailing structure, when the drilling rod drives the collection section of thick bamboo and gets into the well drilling downwards for the inside piece that falls of well drilling can dash out netted elastic strip, is crowded into in the annular dish, and netted elastic strip can prevent effectively that massive well drilling detritus from spilling, secondly through the rotation of drilling rod drive connector, make conveying structure and transmission structure keep the meshing transmission, then can carry tiny silt through the drilling rod as conveying structure through the driving force, and then the operation of being convenient for bailing.

2. This coal bed gas well bailing instrument through setting up a collection section of thick bamboo and opening for the opening can discharge unnecessary moisture when silt upwards carries, and then is convenient for collect silt alone, can realize the collection to silt through a collection section of thick bamboo with this.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of the present utility model;

FIG. 3 is a schematic perspective view of a transmission structure of the present utility model;

FIG. 4 is a schematic diagram of a three-dimensional structure of the fishing structure of the present utility model;

in the figure: 1. a collection cylinder; 2. a connector; 3. a cylinder; 4. an opening; 5. a conveying structure; 51. a screw shaft; 52. a first gear; 6. a transmission structure; 61. a support shaft; 62. a second gear; 7. a scooping structure; 71. an annular disc; 72. a limiting cone; 73. an elastic strip; 8. a blocking layer; 9. and a discharge port.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a coalbed methane well bailing instrument, including the collection section of thick bamboo 1, the top fixed mounting of collection section of thick bamboo 1 has connector 2, the collection section of thick bamboo 1 rotates to be connected on the outer ring in two bearings, and wear to be equipped with transmission structure 6 in two bearings, transmission structure 6 includes back shaft 61, back shaft 61 fixed connection is in two bearings, the rotation of collection section of thick bamboo 1 can be kept to the bearing, and two bearings are worn out to establish by back shaft 61, the top fixedly connected with second gear 62 of back shaft 61, second gear 62 is located connector 2, transmission structure 6's top meshing is connected with conveying structure 5, conveying structure 5 includes screw shaft 51, screw shaft 51 is located barrel 3, screw shaft 51 passes through the bearing rotation to be connected on barrel 3, connect the drilling rod through connector 2, make drilling rod drive connector 2 rotatory, make first gear 52 and second gear 62 meshing transmission, make screw shaft 51 rotatory, make screw shaft 51 upwards carry silt.

The outside of barrel 3 has been seted up a plurality of openings 4, and a plurality of openings 4 are vertical range on barrel 3, the bottom of collection tube 1 is equipped with shutoff layer 8, when silt upwards carries, make opening 4 can discharge unnecessary moisture, and then be convenient for collect silt alone, second shutoff layer 8 can seal collection tube 1 bottom, avoid silt to leak outward, open shutoff layer 8 simultaneously and conveniently discharge silt, the top fixedly connected with first gear 52 of screw axis 51, first gear 52 meshes with second gear 62, conveying structure 5 is located barrel 3, barrel 3 fixed connection is in collection tube 1, the top one side of barrel 3 is equipped with discharge gate 9, discharge gate 9 and collection tube 1 intercommunication, discharge gate 9 can keep silt to get into collection tube 1 smoothly, the bottom fixedly connected with of transmission structure 6 drags structure 7, drags structure 7 includes annular disc 71, annular disc 71 fixed connection is in the bottom of back shaft 61, a plurality of spacing awl 72 are connected with in the bottom fixedly, spacing awl 72 can be spacing annular disc 71, keep the stability of annular disc 71, a plurality of elastic strip inside fixed connection of annular disc 71 have net-shaped strip 73 to be in order to prevent that net-shaped strip 73 from spilling into the well drilling, can be by net-shaped strip 73 inside from being washed out, and elastic strip 73 can be in the well drilling, can be dropped into the well in the net-shaped strip 73 is more than elastic strip 73.

The working principle of the utility model is as follows:

when the fishing is carried out, the connector 2 is connected with the drill rod, then the collecting cylinder 1 is put into a well, the elastic strips 73 can be jacked up in advance and extruded into the annular disc 71 by the larger dropping blocks, meanwhile, the elastic strips 73 can intercept the dropping blocks to avoid dropping, secondly, when entering the bottom of the well, the limiting cone 72 is inserted into the soil, then the drill rod rotates to drive the connector 2 and the collecting cylinder 1 to rotate around the bearing, the cylinder 3 and the conveying structure 5 rotate, the first gear 52 and the second gear 62 are meshed for transmission, the first gear 52 drives the spiral shaft 51 to rotate, the spiral shaft 51 drives the sediment to be conveyed upwards, water contained in the sediment is discharged through the opening 4, and the sediment enters the collecting cylinder 1 for collection through the discharge hole 9.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims (6)

1. The utility model provides a coal bed gas well bailing instrument, includes collection section of thick bamboo (1), its characterized in that: the utility model discloses a collection section of thick bamboo, including collection section of thick bamboo (1), top fixed mounting of collection section of thick bamboo (1) has connector (2), outer circle in two bearings is rotated to collection section of thick bamboo (1), and wears to be equipped with transmission structure (6) in two bearings, transmission structure (6) top meshing is connected with conveying structure (5), conveying structure (5) are arranged in barrel (3), barrel (3) fixed connection is in collection section of thick bamboo (1), top one side of barrel (3) is equipped with discharge gate (9), discharge gate (9) and collection section of thick bamboo (1) intercommunication, transmission structure (6) bottom fixedly connected with drags for structure (7).

2. The coalbed methane well bailing tool of claim 1, wherein: the outside of barrel (3) has seted up a plurality of openings (4), and a plurality of openings (4) are vertical range on barrel (3), the bottom of collection tube (1) is equipped with shutoff layer (8).

3. The coalbed methane well bailing tool of claim 1, wherein: the transmission structure (6) comprises a supporting shaft (61), the supporting shaft (61) is fixedly connected to the two bearings, and the supporting shaft (61) penetrates through the two bearings.

4. A coalbed methane well bailing tool as claimed in claim 3, wherein: the top end of the supporting shaft (61) is fixedly connected with a second gear (62), and the second gear (62) is positioned in the connector (2).

5. A coalbed methane well bailing tool as claimed in claim 3, wherein: the conveying structure (5) comprises a screw shaft (51), the screw shaft (51) is located in the cylinder body (3), the screw shaft (51) is rotatably connected to the cylinder body (3) through a bearing, a first gear (52) is fixedly connected to the top end of the screw shaft (51), and the first gear (52) is meshed with a second gear (62).

6. A coalbed methane well bailing tool as claimed in claim 3, wherein: the fishing structure (7) comprises an annular disc (71), the annular disc (71) is fixedly connected to the bottom end of the supporting shaft (61), a plurality of limiting cones (72) are fixedly connected to the bottom of the annular disc (71), and a plurality of elastic strips (73) are fixedly connected to the inside of the annular disc (71).