Lifting device for coal seam well logging

Abstract

The utility model belongs to the technical field of coal seam well logging, and discloses a lifting device for coal seam well logging, which comprises a walking assembly used for bearing and moving, and further comprises positioning assemblies symmetrically arranged on the walking assembly and used for extending outwards to push the ground to be lifted, and a rack assembly used for center bearing of a well logging device for detection is arranged in the middle of the walking assembly. The positioning assembly comprises two symmetrically-arranged outward-extending mechanisms used for being unfolded and folded towards the two sides at the same time, and each end of each outward-extending mechanism is provided with a pushing mechanism used for pressing the ground downwards to be fixed. The rack assembly comprises two fixing frames which are symmetrically arranged, a top plate is installed between the tops of the fixing frames, and a bearing mechanism used for bearing the logging device to ascend and descend is arranged in the middle of the fixing frames. According to the lifting device for coal seam well logging, through the arrangement that the center bears the well logging device for detection, the overall balance is guaranteed, and the detection stability is improved; and the overall balance is further improved through the arrangement of overhanging and pushing the ground to be lifted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to coal seam logging technical field, especially, relate to a kind of lifting device for coal seam logging. BACKGROUND

[0002] Coal seam logging is an important method in coal geophysical exploration, which uses physical methods and special equipment to detect the geophysical parameters of rock layers near the borehole wall along the borehole profile. These parameters include electrical properties, radioactivity, acoustic waves, temperature and other properties, which are used to divide the borehole geological profile, detect coal seams, determine certain geological and hydrogeological characteristics and investigate the technical conditions in the borehole.

[0003] The Chinese patent with publication number CN221704967U discloses a lifting device for coal seam logging, which includes a support frame, two pairs of universal self-locking wheels are installed at the bottom of the support frame, a fixed top plate is fixed at the top of the support frame, a drive motor is installed on the fixed top plate, a lifting lead screw is driven by the drive motor and installed between the fixed top plate and the bottom end of the support frame; a lifting plate is rotatably connected to the lifting lead screw, and an installation plate is fixed to one side of the lifting plate; it also includes a scraping mechanism, which includes two pairs of sliding rods slidingly penetrating the bottom end of the support frame, and a scraper is fixed to the bottom of the sliding rod; by setting the scraper, sliding rod and push spring in the scraping mechanism, the soil can be scraped off by the scraper during the movement on the stable cone, thereby avoiding manual cleaning, facilitating the next use, and the push spring can reset the scraper to avoid affecting the movement of the device, improving the practicality.

[0004] However, the cantilever offset logging device described above is difficult to ensure overall balance and reduces the stability of the detection, and uses universal self-locking wheels as the fixed fulcrum, which can easily cause accidental sliding and affect the accuracy of the detection, so a new device needs to be designed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a lifting device for coal seam logging to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0007] The utility model provides a kind of coal seam logging lifting device, including the walking assembly for supporting movement, further including the positioning assembly for ground lifting of external extension push on the walking assembly, rack assembly for center bearing logging detector detection is arranged in the walking assembly;The positioning assembly includes two for simultaneously expanding and closing to both sides symmetrical arrangement of outer expansion mechanism, and one is respectively mounted in the outer expansion mechanism each end for down pressure ground fixed push mechanism;The rack assembly includes two symmetrical arrangement of fixed frame, and top between the fixed frame is equipped with top plate, and the fixed frame is arranged in the middle for the supporting mechanism of bearing logging device up and down lifting.

[0008] Further: the walking assembly includes chassis mechanism, one end of the chassis mechanism is provided with traction ring, and four walking wheels are evenly mounted on the bottom of the chassis mechanism.

[0009] Further: the chassis mechanism includes walking frame, two limiting supports are symmetrically arranged on the walking frame, and two reinforcing ribs are symmetrically arranged in the middle of the walking frame.

[0010] Further: the outer expansion mechanism includes positive and negative screw rod, one end of the positive and negative screw rod is provided with first motor, two screw sleeve frames are symmetrically mounted on the positive and negative screw rod, and cantilever frame is mounted on the bottom surface of the screw sleeve frame;The push mechanism includes electric push rod, the bottom end of the electric push rod is provided with flat plate, and the bottom surface of the flat plate is provided with limiting anchor rod.

[0011] Further: the flat plate is circular, and the limiting anchor rod and the flat plate are welded together.

[0012] Further: the supporting mechanism includes supporting plate slidably connected with the fixed frame, the supporting plate is provided with avoiding through slot in the middle, two mounting waist holes are symmetrically arranged on both sides of the avoiding through slot, one end of the supporting plate is provided with lifting screw rod, and the top end of the lifting screw rod is provided with second motor.

[0013] Further: the avoiding through slot is rectangular.

[0014] Compared with the prior art, the beneficial effects are:

[0015] 1. The center bearing logging detector detection is arranged, which ensures the balance of the whole and improves the stability of the detection.

[0016] 2. The ground lifting of external extension push is arranged, which further improves the balance of the whole.

[0017] 3. The walking wheel is lifted to be separated from the ground, which avoids accidental sliding. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1It is the structural schematic view of the lifting device for coal seam logging of the utility model;

[0019] Figure 2 It is the walking assembly schematic view of the lifting device for coal seam logging of the utility model;

[0020] Figure 3 It is the positioning assembly schematic view of the lifting device for coal seam logging of the utility model;

[0021] Figure 4 It is the right view of the positioning assembly of the lifting device for coal seam logging of the utility model;

[0022] Figure 5 It is the rack assembly schematic view of the lifting device for coal seam logging of the utility model.

[0023] In the figure, 101 is a walking frame, 102 is a walking wheel, 103 is a traction ring, 104 is a limiting support, 105 is a reinforcing rib, 201 is a positive and negative thread screw rod, 202 is a first motor, 203 is a screw sleeve frame, 204 is a cantilever frame, 205 is an electric push rod, 206 is a flat plate, 207 is a limiting anchor rod, 301 is a fixing frame, 302 is a top plate, 303 is a lifting screw rod, 304 is a second motor, 305 is a supporting plate, 306 is an avoiding through slot, and 307 is a mounting waist hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-5 A lifting device for coal seam logging, comprising a walking assembly for supporting movement, and a positioning assembly symmetrically arranged on the walking assembly for extending outward and pushing the ground to lift, and a rack assembly arranged in the middle of the walking assembly for centrally bearing a logging detector for detection.

[0026] In this embodiment: the walking assembly comprises a chassis mechanism, one end of the chassis mechanism is provided with a traction ring 103, and the bottom of the chassis mechanism is uniformly provided with four walking wheels 102 at four corners; the chassis mechanism comprises a walking frame 101, two limiting supports 104 are symmetrically arranged on the walking frame 101, and two reinforcing ribs 105 are symmetrically arranged in the middle of the walking frame 101; the walking frame 101 is moved to the coal seam logging position under the support of the walking wheel 102 by pulling the traction ring 103, and the limiting support 104 supports the first motor 202 to drive the rotation of the lead screw 201;

[0027] In this embodiment: the positioning assembly comprises two symmetrical expansion mechanisms for expanding and closing to both sides at the same time, and each end of the expansion mechanism is provided with a pushing mechanism for pressing down the ground; the expansion mechanism comprises a lead screw 201, one end of the lead screw 201 is provided with a first motor 202, two sleeve frames 203 are symmetrically arranged on the lead screw 201, and cantilever frames 204 are arranged on the bottom surfaces of the sleeve frames 203; the pushing mechanism comprises an electric push rod 205, the bottom end of the electric push rod 205 is provided with a flat plate 206, and a limiting anchor rod 207 is arranged in the middle of the bottom surface of the flat plate 206; the flat plate 206 is circular, and the limiting anchor rod 207 and the flat plate 206 are welded together; the limiting support 104 supports the first motor 202 to drive the rotation of the lead screw 201, drives the sleeve frame 203 to drive the cantilever frame 204 to expand to both sides at the same time along the limiting support 104, then the electric push rod 205 is elongated, the flat plate 206 is pressed down to the ground, and the limiting anchor rod 207 is pierced into the ground, the walking frame 101 is lifted up under the support of the four flat plates 206, and the walking wheel 102 is separated from the ground;

[0028] In this embodiment: the rack assembly comprises two symmetrical fixing frames 301, a top plate 302 is arranged between the top portions of the fixing frames 301, and a supporting mechanism for lifting up and down the logging device is arranged in the middle of the fixing frames 301; the supporting mechanism comprises a supporting plate 305 in sliding connection with the fixing frames 301, an avoiding through slot 306 is arranged in the middle of the supporting plate 305, two mounting waist holes 307 are symmetrically arranged on both sides of the avoiding through slot 306, a lifting screw 303 is arranged at one end of the supporting plate 305, and a second motor 304 is arranged at the top end of the lifting screw 303; the avoiding through slot 306 is rectangular; the logging device is fixedly installed on the supporting plate 305 through the mounting waist hole 307, the top plate 302 supports the second motor 304 to drive the rotation of the lifting screw 303 to push the supporting plate 305 to carry the logging device to descend along the fixing frame 301, and the logging device is ensured to work through the avoiding through slot 306 in the middle of the supporting plate 305.

[0029] Working principle: first through the installation waist hole 307 fixedly installed in the bearing plate 305 on the logging device, then through the traction ring 103 pull, make walking frame 101 under the support of walking wheel 102 moves to the coal seam logging position, then limit support 104 support first motor 202 drive positive and negative screw rod 201 rotation, push screw sleeve frame 203 drive cantilever frame 204 along limit support 104 and expand to both sides, then electric push rod 205 elongation, push plate 206 down pressure ground, at the same time, limit anchor rod 207 is stuck into the ground, under the support of four plate 206 will walking frame 101 to make walking wheel 102 lift off the ground, then roof 302 support second motor 304 drive lifting screw 303 rotation push bearing plate 305 load logging device along fixed frame 301 down, ensure that the logging device passes through the bearing plate 305 in the middle of the avoidance through slot 306 work.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A lifting device for coal seam logging, comprising a traveling assembly for supporting movement, characterized in that: It also includes positioning components symmetrically arranged on the walking assembly for extending and pushing the ground to rise, and a frame assembly for centrally supporting the logging instrument for detection is arranged in the middle of the walking assembly; The positioning component includes two symmetrically arranged outward mechanisms for simultaneously expanding and closing to both sides, and each end of the outward mechanism is equipped with a jacking mechanism for pressing down and fixing to the ground. The frame assembly includes two symmetrically arranged fixed frames (301), with a top plate (302) installed between the tops of the fixed frames (301), and a support mechanism for supporting the logging tool to move up and down is provided in the middle of the fixed frames (301).

2. The lifting device for coal seam logging according to claim 1, characterized in that: The walking assembly includes a chassis mechanism, one end of which is provided with a traction ring (103), and four walking wheels (102) are evenly installed at the four corners of the bottom of the chassis mechanism.

3. The lifting device for coal seam logging according to claim 2, characterized in that: The chassis mechanism includes a walking frame (101), on which two limiting brackets (104) are symmetrically arranged, and in the middle of the walking frame (101) two reinforcing ribs (105) are symmetrically arranged.

4. The lifting device for coal seam logging according to claim 1, characterized in that: The outward extension mechanism includes a positive and negative threaded screw (201), one end of which is equipped with a first motor (202). Two threaded sleeve brackets (203) are symmetrically installed on the positive and negative threaded screw (201), and a cantilever bracket (204) is installed on the bottom surface of the threaded sleeve bracket (203). The jacking mechanism includes an electric push rod (205), the bottom end of which is equipped with a plate (206), and a limit anchor rod (207) is provided in the middle of the bottom surface of the plate (206).

5. A lifting device for coal seam logging according to claim 4, characterized in that: The plate (206) is circular, and the limiting anchor (207) is welded together with the plate (206).

6. A lifting device for coal seam logging according to claim 1, characterized in that: The supporting mechanism includes a supporting plate (305) slidably connected to the fixed frame (301). The supporting plate (305) has a clearance groove (306) in the middle. Two mounting holes (307) are symmetrically arranged on both sides of the clearance groove (306). A lifting screw (303) is provided at one end of the supporting plate (305). A second motor (304) is provided at the top of the lifting screw (303).

7. A lifting device for coal seam logging according to claim 6, characterized in that: The clearance slot (306) is rectangular.

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