Adjustable coal bed gas detecting and collecting device

Abstract

The utility model discloses an adjustable coalbed methane detecting and collecting device, which relates to the technical field of coalbed methane exploitation, and comprises an assembling pipe which is assembled on the outer side of a collecting pipe, a plurality of groups of positioning plates are arranged on the upper side and the lower side of the outer wall of the assembling pipe, and each group of positioning plates is connected with one end of a supporting leg through a shaft rod. A pulley is installed at the other end of each supporting leg, and a linkage rod is hinged to the middle of each supporting leg. According to the adjustable coal bed gas detecting and collecting device, through mutual cooperation of the linkage rod, the threaded cylinder, the screw rod and the fixing plate, the distance between the two supporting legs which correspond to each other up and down can be adjusted, then the distance between a plurality of pulleys at the same height and the assembling pipe can be adjusted, and the adjustable coal bed gas detecting and collecting device is suitable for being used in well drilling channels with different diameters; the collecting pipeline in drilling is stably limited and supported, the collecting pipeline is prevented from making contact with the inner wall of a well drilling channel, and the collecting pipeline is well protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal bed gas exploitation technical field, concretely is adjustable coal bed gas detection collection device. BACKGROUND

[0002] Coal bed gas exploitation refers to the natural gas accumulated in the coal bed is exploited, and it is used as energy, and the coal bed gas is usually sampled by the present pumping method, the well is drilled on the coal bed and is deep into the coal bed, and then the natural gas in the coal bed is sucked to the ground by the drilling rod, but the coal bed gas detection collection device enters the channel of the well, the collection device pipeline is easy to contact and rub with the wall layer of the channel, causes the abrasion to generate outside the collection device pipeline, and therefore the application proposes a kind of adjustable coal bed gas detection collection device to solve the above problems. SUMMARY

[0003] (One) technical problem solved

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of adjustable coal bed gas detection collection device, solve the technical problem proposed in the above background.

[0005] (Two) technical scheme

[0006] To achieve the above purpose, the technical scheme adopted by the utility model is: a kind of adjustable coal bed gas detection collection device, including assembly pipe, and assembly is assembled in the outside of collection pipe, the outer wall of assembly pipe is installed with multiple sets of positioning plate on upper and lower sides, and one end of each set of positioning plate is connected with the leg of branch of a river by shaft, and the other end of leg is installed with pulley, the middle part of leg is articulated with linkage rod, and the other end of linkage rod is articulated with threaded cylinder, and the same screw rod is connected between the two threaded cylinders corresponding to upper and lower, and the both ends of screw rod are connected with fixed plate by bearing, and fixed plate is installed on the outer wall of assembly pipe.

[0007] Preferably, the inner wall of the bottom end of the collection pipe is fixedly installed with a suction pipe, the inner diameter of the suction pipe is three centimeters, the inner wall of the top end of the collection pipe is fixedly installed with a fixed pipe, and the inner wall of the top end of the fixed pipe is threadedly installed with a connecting pipe.

[0008] Preferably, the middle part of the screw rod is provided with a rotating sleeve, and the outer side wall of the rotating sleeve is provided with a plurality of planes.

[0009] Preferably, the positioning plates on the outer wall of the assembly pipe are three groups on the upper and lower sides, and the three groups of positioning plates on the upper side and the three groups of positioning plates on the lower side are one-to-one corresponding.

[0010] Preferably, when the screw rod rotates, the threads on the upper and lower sides are used to realize the mutual approach or separation of the two threaded cylinders.

[0011] Preferably, the assembling pipe outer wall is provided with a scale line, and the starting point of the scale line is arranged at the middle part, which is used for adjusting the distance between the two threaded barrels.

[0012] (III) Beneficial Effects

[0013] The beneficial effects of the utility model lie in:

[0014] The adjustable coal bed gas detection and collection device can realize the distance adjustment between the two corresponding legs, and further realize the distance adjustment between the multiple pulleys and the assembling pipe at the same height, is suitable for use in the drilling channels with different diameters, and can stably limit and support the collection pipeline in the drilling, avoids the contact between the collection pipeline and the inner wall of the drilling channel, and has a good protection effect on the collection pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Fig. 2 It is a three-dimensional schematic view of the leg structure of one side of the utility model;

[0017] Fig. 3 It is a scale line schematic view outside the assembling pipe of the utility model.

[0018] In the figure: 1 collection pipeline, 2 assembling pipe, 3 positioning plate, 4 leg, 5 pulley, 6 linkage rod, 7 threaded barrel, 8 screw rod, 9 fixed plate, 10 rotating sleeve, 11 fixed pipe, 12 suction pipe, 13 connecting pipe. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] For example, Figs. 1-3The utility model provides a kind of adjustable coalbed gas detection collection device, including assembly pipe 2, and assembly 2 is assembled in the outside of collection pipe 1, and the bottom end inner wall of collection pipe 1 is fixedly installed with suction pipe 12, the inside diameter of suction pipe 12 is three centimeters, the top end inner wall of collection pipe 1 is fixedly installed with fixed pipe 11, the top end inner wall of fixed pipe 11 is fixedly installed with connecting pipe 13, and the outer wall of assembly pipe 2 is installed with multiple sets of positioning plate 3 on upside and downside, the positioning plate 3 of the outer wall of assembly pipe 2 upside and downside is three groups, and upside three groups of positioning plate 3 and downside three groups of positioning plate 3 are one-to-one corresponding, and each positioning plate 3 is connected with one end of support leg 4 by shaft, and the other end of support leg 4 is installed with pulley 5, and the middle part of support leg 4 is hinged with linkage rod 6, and the hinge is provided with connecting shaft on support leg 4, and connecting shaft and the round hole sleeve of one end of linkage rod 6, and the other end of linkage rod 6 is hinged with threaded cylinder 7, and the hinge is provided with connecting shaft on threaded cylinder 7, and connecting shaft and the round hole sleeve of the other end of linkage rod 6, and the same screw rod 8 is connected between two threaded cylinders 7 corresponding to upside and downside, and the both ends of screw rod 8 are connected with fixed plate 9 by bearing, and fixed plate 9 is installed on the outer wall of assembly pipe 2, and the screw thread direction of the both sides of screw rod 8 is opposite, when screw rod 8 rotates, the screw thread of upside and downside is used, two threaded cylinders 7 are adjusted to be close to each other or away from each other, the middle part of screw rod 8 is provided with rotating sleeve 10, and the outer side wall of rotating sleeve 10 is provided with multiple planes, to facilitate rotation, by rotating sleeve 10 to rotate screw rod 8, the threaded cylinder 7 of the both sides of screw rod 8 can be close to each other or away from each other, under the connection of linkage rod 6, two support legs 4 corresponding to upside and downside can be rotated with positioning plate 3 as the pivot, pulley 5 corresponding to upside and downside is close to each other or away from each other, the distance between multiple pulleys 5 of the same height and assembly pipe 2 is adjusted, and is adapted to the diameter of well channel, avoids that collection pipe 1 contacts with the inner wall of well channel, and has good protection effect to collection pipe 1, the outer wall of assembly pipe 2 is provided with scale line, and the starting point of scale line is provided in the middle part, can be used for adjusting the distance of two threaded cylinders 7 reference, ensure that multiple pulleys 5 of the same height are adjusted on the same annular line after, can contact with the inner wall of well channel.

[0021] The operation steps of the present application are:

[0022] By rotating sleeve 10 to rotate screw rod 8, the threaded cylinder 7 of the both sides of screw rod 8 can be close to each other or away from each other, under the connection of linkage rod 6, two support legs 4 corresponding to upside and downside can be rotated with positioning plate 3 as the pivot, pulley 5 corresponding to upside and downside is close to each other or away from each other, the distance between multiple pulleys 5 of the same height and assembly pipe 2 is adjusted, and is adapted to the diameter of well channel, avoids that collection pipe 1 contacts with the inner wall of well channel, and has good protection effect to collection pipe 1.

[0023] In the description of the utility model, it is understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] In the utility model, unless another explicit provision and limitation, for example, can be fixedly connected, can also be detachably connected, or be integrated; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication or interaction relationship of two elements inside, unless another explicit limitation, for ordinary skilled in the art, can understand the specific meaning of the above-mentioned terms in the utility model according to specific circumstances.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An adjustable coal bed methane detection and collection device, comprising an assembly pipe (2), and the assembly pipe (2) is assembled outside the collection pipe (1), characterized in that: The outer wall of the assembly pipe (2) is provided with a plurality of groups of positioning plates (3) on the upper and lower sides, and one end of each group of positioning plates (3) is connected with a supporting leg (4) through a shaft, and the other end of the supporting leg (4) is provided with a pulley (5), the middle part of the supporting leg (4) is hinged with a linkage rod (6), and the other end of the linkage rod (6) is hinged with a threaded cylinder (7), the same screw rod (8) is connected between the two threaded cylinders (7) corresponding to the upper and lower sides, and the both ends of the screw rod (8) are connected with a fixed plate (9) through a bearing, and the fixed plate (9) is installed on the outer wall of the assembly pipe (2).

2. The adjustable coal bed methane detection and collection device of claim 1, wherein: The bottom end inner wall of the collection pipe (1) is fixedly provided with a suction pipe (12), and the top end inner wall of the collection pipe (1) is fixedly provided with a fixed pipe (11), and the top end inner wall of the fixed pipe (11) is screwedly provided with a connecting pipe (13).

3. The adjustable coal bed methane detection and collection device of claim 1, wherein: The middle part of the screw rod (8) is provided with a rotating sleeve (10), and the outer side wall of the rotating sleeve (10) is provided with a plurality of planes.

4. The adjustable coal bed methane detection and collection device of claim 1, wherein: The positioning plates (3) on the upper and lower sides of the outer wall of the assembly pipe (2) are all three groups, and the three groups of positioning plates (3) on the upper side correspond to the three groups of positioning plates (3) on the lower side.

5. The adjustable coal bed methane detection and collection device of claim 1, wherein: When the screw rod (8) rotates, the threads on the upper and lower sides are used to realize the mutual approach or separation of the two threaded cylinders (7).

6. The adjustable coal bed methane detection and collection device of claim 1, wherein: The outer wall of the assembly pipe (2) is provided with a scale line, and the starting point of the scale line is arranged at the middle part, which is used for adjusting the distance between the two threaded cylinders (7).

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