阅读说明：本技术 一种测井电缆深度测量装置及其电缆测量装置的使用方法 (Logging cable depth measuring device and using method thereof ) 是由 常宝平 于 2019-09-23 设计创作，主要内容包括：本发明公开了一种测井电缆深度测量装置及其电缆测量装置的使用方法：包括有上测量结构和下夹紧结构,所述上测量结构与下夹紧结构的一端铰接设置,上测量结构和下夹紧结构的另一端通过快速销连接设置；所述上测量结构的前后端分别设置有上竖直限位轮,所述下夹紧结构上设置有与上竖直限位轮相配合的下竖直限位轮,上竖直限位轮与下竖直限位轮之间形成限位区间；通过拔出快速销,下夹紧结构绕其铰接处向下转动,限位区间打开,电缆放入限位区间内,从而提高了电缆在检测装置上的安装和拆卸效率。(the invention discloses a logging cable depth measuring device and a using method of the logging cable depth measuring device, wherein the using method comprises the following steps: the device comprises an upper measuring structure and a lower clamping structure, wherein the upper measuring structure is hinged with one end of the lower clamping structure, and the other ends of the upper measuring structure and the lower clamping structure are connected through a quick pin; the front end and the rear end of the upper measuring structure are respectively provided with an upper vertical limiting wheel, the lower clamping structure is provided with a lower vertical limiting wheel matched with the upper vertical limiting wheel, and a limiting interval is formed between the upper vertical limiting wheel and the lower vertical limiting wheel; through extracting out quick round pin, lower clamping structure is rotated downwards around its articulated department, and spacing interval is opened, and the cable is put into spacing interval to installation and the dismantlement efficiency of cable on detection device have been improved.)

1. a logging cable depth measuring device which characterized in that: the device comprises an upper measuring structure (1) and a lower clamping structure (2), wherein the upper measuring structure (1) is hinged with one end of the lower clamping structure (2), and the other ends of the upper measuring structure (1) and the lower clamping structure (2) are connected through a quick pin (3); the front end and the rear end of the upper measuring structure (1) are respectively provided with an upper vertical limiting wheel (11), the lower clamping structure (2) is provided with a lower vertical limiting wheel (21) matched with the upper vertical limiting wheel (11), and a limiting interval is formed between the upper vertical limiting wheel (11) and the lower vertical limiting wheel (21); by pulling out the quick pin, the lower clamping structure (2) rotates downwards around the hinged part of the lower clamping structure, and the limiting interval is opened; the upper measuring structure (1) comprises a rack (10), a measuring wheel structure (13) is horizontally arranged below the rack (10), a supporting frame (14) is arranged on the measuring wheel structure (13), the supporting frame (14) is arranged on the side of the rack (10), and the measuring wheel structure (13) is horizontally and rotatably arranged around the hinged part of the supporting frame; the two measuring wheel structures (13) are provided with contraction springs (15), the straight lines where the contraction springs (15) are located are connected with the centers of the two measuring wheel structures (13) in a superposed mode, and the two measuring wheel structures (13) are tensioned towards the middle of the two measuring wheel structures through the contraction springs (15).

2. A wireline depth measurement apparatus as defined in claim 1, wherein: the measuring wheel structure (13) comprises a support frame (131) and a measuring wheel (132), a connecting hole (138) is formed in the side end of the support frame (131), and the measuring wheel structure is fixedly arranged at one end of the support frame (14) through the connecting hole (138); the one end that connecting hole (138) was kept away from in support frame (131) is provided with the rotation hole, measuring wheel (132) set up under support frame (131) rotation hole, the fixed connecting axle (134) that is provided with in center of measuring wheel (131), the top from the bottom up of connecting axle (134) sets up in the rotation hole of support frame (131), and measuring wheel (132) rotate the setting in support frame (131) below.

3. a wireline depth measurement apparatus according to claim 2, wherein: a ball bearing (135) is arranged in the rotating hole of the support frame (131), and the upper end part of the connecting shaft (134) is sleeved on the ball bearing (135); a positioning baffle piece (1341) is arranged on the connecting shaft (134), and the positioning baffle piece (1341) is pressed against the ball bearing (135); and a mudguard (136) is arranged outside the measuring wheel (132).

4. a wireline depth measurement apparatus as defined in claim 3, wherein: the measuring wheel structure (13) comprises an encoder (133), the encoder (133) is arranged above the supporting frame (131), and a rotating shaft of the encoder (133) is connected with the top end of the connecting shaft (131) through a coupler (137); the measuring wheel (132) rotates, thereby driving the rotating shaft of the encoder (133) to rotate.

5. a wireline depth measurement device according to claim 4, wherein: go up the front and back both ends of measuring structure (1) and be provided with horizontal direction wheelset (12) respectively, the centre of horizontal direction wheelset (12) is provided with direction logical groove (121), and the cable passes direction logical groove (121), spacing interval along the straight line direction in proper order to be established in the clearance between two measuring wheel (132) by the card.

6. A wireline depth measurement device according to claim 5, wherein: the horizontal guide wheel set (12) consists of two rollers which are horizontally arranged in a rolling way, and the outer end surfaces of the rollers are arranged in a contact rolling way; the outer end face of the roller is inwards recessed to form a guide through groove (121), and the size of the guide through groove (121) is matched with the outer diameter of the cable.

7. A method for using a logging cable depth measuring device according to any one of claims 1-6, wherein: the measuring wheel (132) is driven to roll by the cable, the depth of the cable is equal to the thread rotated by the outer end face of the measuring wheel (132), and therefore the depth of the well logging cable can be measured by calculating the thread rotated by the outer end face of the measuring wheel (132); the method comprises the following specific steps:

Step 1, enabling a cable to enter a measuring device; pulling out the quick pin (3) between the upper measuring structure (1) and the lower clamping structure (2) to separate the upper measuring structure (1) from the lower clamping structure (2), so that a limiting interval is formed between the upper vertical limiting wheel (11) and the lower vertical limiting wheel (21) and opened, and a cable penetrates through a guide through groove (121) of a horizontal guide wheel set (12) at the wire inlet end of the measuring device and is inserted into the limiting interval;

step 2, extruding and fixing the outer end face of the measuring wheel (132) and the cable; the pressing handle is pulled backwards to enable the two measuring wheels (132) to be away from each other under the driving of the supporting frame (131), so that the cable penetrates through a gap between the two measuring wheels (132); the pressing handle is pulled forwards, the two measuring wheels (132) are mutually pressed under the action of the contraction spring (15), and the cable is pressed in a gap between the two measuring wheels (132); meanwhile, the measuring wheel (132) is arranged right below the rotating hole of the supporting frame (131), a connecting shaft (134) is fixedly arranged at the center of the measuring wheel (131), the top end of the connecting shaft (134) is arranged in the rotating hole of the supporting frame (131) from bottom to top, and the measuring wheel (132) is rotatably arranged below the supporting frame (131); thus, when the cable moves, the cable drives the measuring wheel (132) to rotate;

Step 3, calculating the number of turns of the measuring wheel (132) after the cable reaches the target depth; a ball bearing (135) is arranged in the rotating hole of the support frame (131), and the upper end part of the connecting shaft (134) is sleeved on the ball bearing (135); a positioning baffle piece (1341) is arranged on the connecting shaft (134), the positioning baffle piece (1341) is pressed against the ball bearing (135), an encoder (133) is arranged above the supporting frame (131), the encoder (133) is arranged above the supporting frame (131), and a rotating shaft of the encoder (133) is connected with the top end of the connecting shaft (131) through a coupler (137); the measuring wheel (132) rotates, so that the rotating shaft of the encoder (133) is driven to rotate; the encoder (133) is coaxially connected with the measuring wheel (132), so that the number of measured turns on the encoder (133) is the number of turns of the measuring wheel (132);

Step 4, calculating the length of the cable through a measuring wheel (132); the length of the cable wire is obtained by multiplying the circumference of the outer end face of the measuring wheel (132) by the number of turns of the measuring wheel (132).

Technical Field

the invention relates to the technical field of oil wells, in particular to a logging cable depth measuring device and a using method of the logging cable depth measuring device.

Background

The martensitic depth gauge system is part of a depth gauge system. In the well logging process, the accuracy and the reliability of the depth system are very important for obtaining high-quality well logging information. The existing martindac is adjustable by setting the elastic distance between two measuring wheels, so that the cables with different thicknesses can be measured, but the arrangement is inconvenient for the installation and the disassembly of the cables in the measuring device.

disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a logging cable depth measuring device and a using method of the logging cable depth measuring device, which can solve the problems.

The technical scheme is as follows: in order to achieve the above object, the present invention provides a logging cable depth measuring device: the device comprises an upper measuring structure and a lower clamping structure, wherein the upper measuring structure is hinged with one end of the lower clamping structure, and the other ends of the upper measuring structure and the lower clamping structure are connected through a quick pin; the front end and the rear end of the upper measuring structure are respectively provided with an upper vertical limiting wheel, the lower clamping structure is provided with a lower vertical limiting wheel matched with the upper vertical limiting wheel, and a limiting interval is formed between the upper vertical limiting wheel and the lower vertical limiting wheel; through extracting out quick round pin, lower clamping structure is rotated downwards around its articulated department, and spacing interval is opened, and the cable is put into spacing interval to installation and the dismantlement efficiency of cable on detection device have been improved.

Furthermore, the upper measuring structure comprises a rack, a measuring wheel structure is horizontally arranged below the rack, the measuring wheel structure is provided with a support frame, the support frame is connected to the side of the rack, and the measuring wheel structure is horizontally and rotatably arranged around the hinged position of the measuring wheel structure; the two measuring wheel structures are provided with contraction springs, the straight lines where the contraction springs are located are connected with the centers of the two measuring wheel structures and are arranged in a superposed mode, and the two measuring wheel structures are tensioned towards the middle of the two measuring wheel structures through the contraction springs; the cable passes through the clearance department between two measuring wheels to drive measuring wheel rotation setting, through being provided with the shrink spring, thereby can effectively change the clearance between two measuring wheels, thereby make the measuring wheel to the measurement of the circuit cable of multiple size.

Furthermore, the measuring wheel structure comprises a support frame and a measuring wheel, wherein a connecting hole is formed in the side end of the support frame and is fixedly arranged with one end of the support frame through the connecting hole; the one end that the connecting hole was kept away from to the support frame is provided with rotates the hole, the measuring wheel sets up under the support frame rotates the hole, the fixed connecting axle that is provided with in center of measuring wheel, the top from the bottom up of connecting axle sets up downthehole in the rotation of support frame, and the measuring wheel rotates the setting in the support frame below.

Furthermore, a ball bearing is arranged in the rotating hole of the support frame, and the upper end part of the connecting shaft is sleeved on the ball bearing; the connecting shaft is provided with a positioning baffle which is pressed against the ball bearing; and a mudguard is arranged outside the measuring wheel.

Furthermore, the measuring wheel structure comprises an encoder, the encoder is arranged above the supporting frame, and a rotating shaft of the encoder is connected with the top end of the connecting shaft through a coupler; the measuring wheel rotates to drive the encoder rotating shaft to rotate, so that the rotating shaft rotating stability of the measuring wheel driving the encoder is better, and the depth of the cable can be measured by the encoder more favorably.

Furthermore, horizontal guide wheel sets are respectively arranged at the front end and the rear end of the upper measuring structure, a guide through groove is formed in the middle of each horizontal guide wheel set, and a cable sequentially passes through the guide through grooves and the limiting intervals along the linear direction and is clamped in a gap between the two measuring wheels; the horizontal guide wheel set plays a role in preventing the cable from swinging left and right.

Furthermore, the horizontal guide wheel set consists of two rollers which are horizontally arranged in a rolling way, and the outer end surfaces of the rollers are arranged in a contact rolling way; the outer end face of the roller is inwards sunken to form a guide through groove, and the size of the guide through groove is matched with the outer diameter of the cable.

A logging cable depth measuring device and a using method of the cable measuring device are disclosed, wherein the using method comprises the following steps: the measuring wheel is driven to roll by the cable, the depth of the cable is equal to the thread rotated by the outer end face of the measuring wheel, and therefore the depth of the well logging cable can be measured by calculating the thread rotated by the outer end face of the measuring wheel; the method comprises the following specific steps:

Step 1, enabling a cable to enter a measuring device; pulling out a quick pin between the upper measuring structure and the lower clamping structure to separate the upper measuring structure from the lower clamping structure, so that a limiting interval is formed between the upper vertical limiting wheel and the lower vertical limiting wheel and is opened, and the cable penetrates through a guide through groove of a horizontal guide wheel set at the wire inlet end of the measuring device and is inserted into the limiting interval;

Step 2, extruding and fixing the outer end face of the measuring wheel and the cable; the pressing handle is pulled backwards to enable the two measuring wheels to be away from each other under the driving of the supporting frame, so that the cable penetrates through a gap between the two measuring wheels; the pressing handle is pulled forwards, the two measuring wheels are mutually pressed under the action of the contraction spring, and the cable is pressed in a gap between the two measuring wheels; meanwhile, the measuring wheel is arranged right below the rotating hole of the supporting frame, a connecting shaft is fixedly arranged in the center of the measuring wheel, the top end of the connecting shaft is arranged in the rotating hole of the supporting frame from bottom to top, and the measuring wheel is rotatably arranged below the supporting frame; when the cable moves, the cable drives the measuring wheel to rotate;

Step 3, calculating the number of turns of the measuring wheel after the cable reaches the target depth; a ball bearing is arranged in the rotating hole of the support frame, and the upper end part of the connecting shaft is sleeved on the ball bearing; the encoder is arranged above the supporting frame, and a rotating shaft of the encoder is connected with the top end of the connecting shaft through a coupler; the measuring wheel rotates, so that the encoder rotating shaft is driven to rotate; the encoder is coaxially connected with the measuring wheel, so that the number of turns measured by the encoder is the number of turns of the measuring wheel;

step 4, calculating the length of the cable through the measuring wheel; the length of the cable wire is obtained by multiplying the circumference of the outer end face of the measuring wheel by the number of turns of the measuring wheel.

Has the advantages that: according to the logging cable depth measuring device and the using method of the logging cable depth measuring device, the openable vertical limiting interval is arranged, so that the installation and the disassembly of a cable are very convenient; meanwhile, the measuring wheels are hinged to the rack through the supporting frame, and the gap between the two measuring wheels can be changed through the expansion and contraction of the contraction spring, so that the outer end parts of the measuring wheels can be always tightly attached to the cable, the cable can be ensured not to be clamped, and the movement of the cable can drive the measuring wheels to rotate.

Drawings

FIG. 1 is a schematic front view of a measuring device according to the present invention;

FIG. 2 is a schematic top sectional view of a measuring device according to the present invention;

FIG. 3 is a schematic side view of the measuring device of the present invention;

FIG. 4 is a schematic cross-sectional view of a measuring wheel structure according to the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

the depth measuring device for the logging cable shown in the attached figures 1-4 comprises: the device comprises an upper measuring structure 1 and a lower clamping structure 2, wherein the upper measuring structure 1 is hinged with one end of the lower clamping structure 2, and the other ends of the upper measuring structure 1 and the lower clamping structure 2 are connected through a quick pin 3; the front end and the rear end of the upper measuring structure 1 are respectively provided with an upper vertical limiting wheel 11, and the outer surface of the upper vertical limiting wheel 11 is sunken to the middle along two sides to form a limiting groove. The lower clamping structure 2 is provided with a lower vertical limiting wheel 21 matched with the upper vertical limiting wheel 11, a limiting interval is formed between the upper vertical limiting wheel 11 and the lower vertical limiting wheel 21, the cable is clamped into the limiting interval, and the limiting interval plays a role in preventing the cable from vertically jumping off the two measuring wheels; through extracting quick round pin, lower clamping structure 2 rotates downwards around its articulated department, and spacing interval is opened, is favorable to setting up the cable in spacing interval fast like this to the installation of cable on detection device and dismantlement efficiency have been improved.

The upper measuring structure 1 comprises a frame 10, a measuring wheel structure 13 is horizontally arranged below the frame 10, a support frame 14 is arranged on the measuring wheel structure 13, the support frame 14 is connected to the side of the frame 10, and the measuring wheel structure 13 is horizontally and rotatably arranged around the hinged position of the measuring wheel structure; the two measuring wheel structures 13 are provided with contraction springs 15, the straight lines of the contraction springs 15 are connected with the centers of the two measuring wheel structures 13 and are overlapped, the two measuring wheel structures 13 are tensioned towards the middle of the two measuring wheel structures through the contraction springs 15, and when a cable passes through the gap between the two measuring wheels, the gap between the two measuring wheels can be changed through the expansion and contraction of the contraction springs 15, so that the measuring wheels 132 can measure circuit cables with various sizes; meanwhile, under the action of the contraction spring 15, the outer end part of the measuring wheel 132 is always tightly attached to the cable, the cable can be prevented from being clamped, and the movement of the cable can drive the measuring wheel 132 to rotate.

The measuring wheel structure 13 comprises a support frame 131, a measuring wheel 132 and an encoder 133, wherein the support frame 131 is provided with a connecting hole 138 and is fixedly arranged with the support frame 14 through the connecting hole 138; measuring wheel 132 sets up the below at support frame 131, the fixed connecting axle 134 that is provided with in center of measuring wheel 131, support frame 131 is passed from the bottom up on the top of connecting axle 134, just be provided with ball bearing 135 between connecting axle 134 and the support frame 131, and be provided with location separation blade 1341 on connecting axle 134, location separation blade 1341 pushes up on ball bearing 135, and location separation blade 1341 plays the spacing effect of support to measuring wheel 132. A mudguard 136 is arranged outside the measuring wheel 132; the type of the encoder is BEI H37C-SS-645/983-ABC-5V/V-KP 14-S. The encoder 133 is arranged above the support frame 131, and the rotating shaft of the encoder 133 is connected with the top end of the connecting shaft 131 through a coupler 137; the measuring wheel 132 rotates, thereby rotating the encoder 133. The arranged ball bearing 135 plays a role in positioning the connecting shaft 134, so that the connecting shaft 134 can be arranged in a rotating mode around the axis of the connecting shaft; when the torque is transmitted to the encoder 133 through the coupling 137, the rotation of the rotating shaft of the encoder 133 is more stable, and the measurement of the encoder 133 is ensured.

Go up measurement structure 1 the front and back both ends and be provided with horizontal direction wheelset 12 respectively, the centre of horizontal direction wheelset 12 is provided with the direction and leads to groove 121, spacing interval along the straight line direction passes the direction in proper order to the cable to be blocked and establish in the clearance between two measuring wheels. The horizontal guide wheel set 12 plays a role in preventing the cable from swinging left and right, and a limiting interval is formed between the vertically arranged upper vertical limiting wheel 11 and the lower vertical limiting wheel 21 to prevent the cable from jumping up and down. The horizontal guide wheel group 12 consists of two rollers which are horizontally arranged in a rolling way, and the outer end surfaces of the rollers are arranged in a contact rolling way; the outer end face of the roller is inwards recessed to form a guide through groove 121, and the size of the guide through groove 121 is matched with the outer diameter of the cable.

A logging cable depth measuring device and a using method of the cable measuring device are disclosed, wherein the using method comprises the following steps: the measuring wheel 132 is driven to roll by the cable, the depth of the cable is equal to the thread rotated by the outer end face of the measuring wheel 132, and therefore the depth of the cable can be measured by calculating the thread rotated by the outer end face of the measuring wheel 132; the method comprises the following specific steps: step 1, enabling a cable to enter a measuring device; pulling out the quick pin 3 between the upper measuring structure 1 and the lower clamping structure 2 to separate the upper measuring structure 1 from the lower clamping structure 2, so that a limiting interval is formed between the upper vertical limiting wheel 11 and the lower vertical limiting wheel 21 and is opened, and the cable passes through the guide through groove 121 of the horizontal guide wheel group 12 at the inlet end of the measuring device and is inserted into the limiting interval; step 2, extruding and fixing the outer end face of the measuring wheel 132 and the cable; the pressing handle is pulled backwards to enable the two measuring wheels 132 to be away from each other under the driving of the supporting frame 131, so that the cable penetrates through a gap between the two measuring wheels 132; the pressing handle is pulled forwards, the two measuring wheels 132 are mutually pressed under the action of the contraction spring 15, and the cable is pressed in a gap between the two measuring wheels 132; meanwhile, the measuring wheel 132 is arranged right below the rotating hole of the supporting frame 131, the center of the measuring wheel 131 is fixedly provided with a connecting shaft 134, the top end of the connecting shaft 134 is arranged in the rotating hole of the supporting frame 131 from bottom to top, and the measuring wheel 132 is arranged below the supporting frame 131 in a rotating manner; thus, when the cable moves, the cable drives the measuring wheel 132 to rotate; step 3, calculating the number of turns of the measuring wheel 132 after the cable reaches the target depth; a ball bearing 135 is arranged in the rotating hole of the supporting frame 131, and the upper end part of the connecting shaft 134 is sleeved on the ball bearing 135; a positioning baffle 1341 is arranged on the connecting shaft 134, the positioning baffle 1341 is pressed against the ball bearing 135, an encoder 133 is arranged above the supporting frame 131, the encoder 133 is arranged above the supporting frame 131, and a rotating shaft of the encoder 133 is connected with the top end of the connecting shaft 131 through a coupler 137; the measuring wheel 132 rotates, so that the encoder 133 is driven to rotate; the encoder 133 is coaxially connected with the measuring wheel 132, so that the number of measured turns on the encoder 133 is the number of turns of the measuring wheel 132; step 4, calculating the length of the cable through the measuring wheel 132; the length of the cable is determined by multiplying the circumference of the outer end surface of the measuring wheel 132 by the number of turns of the measuring wheel 132.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.