CN210068130U - Device for mounting stay cord displacement sensor - Google Patents

Abstract

The utility model provides a device for installing a stay cord displacement sensor, which comprises a first supporting rod and a fixing part; the fixed piece is provided with a fixed part for fixing the stay cord displacement sensor and a connecting part for detachably connecting with the first support rod; the first support bar is used for feeding the fixing member to the vicinity of the fixing groove of the hanger to mount the pull rope displacement sensor in the fixing groove. The utility model discloses the security of stay cord displacement sensor's installation has been guaranteed in setting up of well first bracing piece and mounting, has also improved stay cord displacement sensor's installation effectiveness.

Description

Device for mounting stay cord displacement sensor

Technical Field

The utility model relates to an oil field development technical field especially relates to a device for installing stay cord displacement sensor.

Background

In oil exploitation, in order to visually reflect the working condition of an oil pumping unit, a displacement curve of a machine head in one reciprocating motion is often measured by a pull rope displacement sensor installed on the oil pumping unit, and the area enclosed by the displacement curve and an abscissa axis is equivalent to the working efficiency of the oil pumping unit.

When the sensor of the stay rope displacement sensor is installed, the sensor needs to be placed in a fixing groove of the rope hanger, and a circular hook on the stay rope of the displacement sensor is hung on a Christmas tree. When the pumping unit is in operation, the sensor can be driven by the rope hanger to move up and down, so that the length of the stay cord exposed outside by the stay cord displacement sensor is changed, the change of the length of the stay cord can be recorded by the sensor, the up-and-down movement distance of the rope hanger is reflected, and the up-and-down movement distance of the pumping unit head is also reflected.

Currently, the installation process of the displacement sensor is that an operator stands on a Christmas tree to place the displacement sensor in a fixing groove of a rope hanger. However, the operator is very likely to slip off the christmas tree during the process of installing the displacement sensor, thereby causing safety accidents such as casualties and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device for installing stay cord displacement sensor to solve the problem that operating personnel stands and installs displacement sensor and very easily take place the incident on the production tree.

The utility model provides a device for installing a stay cord displacement sensor, which comprises a first supporting rod and a fixing part;

the fixed piece is provided with a fixed part for fixing the stay cord displacement sensor and a connecting part for detachably connecting with the first support rod;

the first support rod is used for sending the fixing piece to the vicinity of a fixing groove of the rope hanger so as to install the stay rope displacement sensor into the fixing groove.

Optionally, a portion of the fixing member is received in the fixing groove.

Optionally, the first support rod is screwed with the fixing member, and a portion of the fixing member received in the fixing groove is used to prevent the fixing member from rotating.

Optionally, the first support rod is connected with the fixing piece in a buckling manner.

Optionally, the fixing member is a block structure, a hollow cavity is formed in the middle of the block structure, and the pull rope displacement sensor is arranged in the hollow cavity of the block structure in a penetrating manner and fixed.

Optionally, the fixing member is a block structure, a groove is formed in a side wall of the block structure, and at least part of the pull rope displacement sensor is accommodated in the groove.

Optionally, the first support rod is a telescopic rod.

Optionally, the telescopic rod comprises a plurality of sleeves which are sequentially sleeved together from inside to outside.

Optionally, the device further comprises a protective cover, and the protective cover is selectively connected with the fixing piece in a detachable manner; the protective cover is used for covering the outside of the fixed groove so as to protect the stay cord displacement sensor.

Optionally, the device further comprises a protective cover and a second support rod, wherein the protective cover is detachably connected with the second support rod; the protective cover is used for covering the outside of the fixed groove so as to protect the stay cord displacement sensor.

The utility model provides a device for installing a stay cord displacement sensor, which comprises a first supporting rod and a fixing part; the fixed piece is provided with a fixed part for fixing the stay cord displacement sensor and a connecting part for detachably connecting with the first support rod; the first support bar is used for feeding the fixing member to the vicinity of the fixing groove of the hanger to mount the pull rope displacement sensor in the fixing groove. The utility model discloses a fix stay cord displacement sensor on the mounting, send the mounting to near the fixed slot of polished rod eye through first bracing piece, then remove this mounting through first bracing piece, so that stay cord displacement sensor installs in the fixed slot, the security of stay cord displacement sensor's installation has not only been improved in the setting of first bracing piece and mounting, the problem of operating personnel station installation stay cord displacement sensor very easily takes place the incident on the production tree has been avoided, and make whole stay cord displacement sensor's installation convenient and fast more, the effectual installation effectiveness that improves stay cord displacement sensor. Simultaneously, through can dismantling the connection on the mounting with first bracing piece to make the mounting carry stay cord displacement sensor fixed to the fixed slot of polished rod eye after, first bracing piece can be dismantled, is realizing that stay cord displacement sensor's installation is convenient, swift and safe basis on, has also guaranteed stay cord displacement sensor's normal test.

Drawings

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

FIG. 1 is an assembly view of a pull cord displacement sensor of the prior art;

FIG. 2 is a schematic view of the structure of the rope hanger;

fig. 3 is a schematic structural diagram of the device for mounting the pull rope displacement sensor provided by the embodiment;

fig. 4 is an assembly view of a fixing member and a first support rod in the device for mounting a stay cord displacement sensor according to the present embodiment;

fig. 5 is a first assembly view of the fixing member and the displacement sensor in the device for mounting a displacement sensor of a pull rope according to the present embodiment;

fig. 6 is a second assembly view of the fixing member and the displacement sensor in the device for mounting a displacement sensor of a pull rope according to the present embodiment;

fig. 7 is a third assembly view of the fixing member and the displacement sensor in the device for mounting a displacement sensor of a pull rope according to the present embodiment;

FIG. 8 is an assembly view of the protective cover and the first support bar in the apparatus for mounting a pull-cord displacement sensor according to the present embodiment;

fig. 9 is an assembly view of the protective cover and the second support rod of the device for mounting the pull rope displacement sensor according to the present embodiment.

Description of reference numerals:

1, an oil pumping unit;

2-stay cord displacement sensor;

3-a rope hanger;

31-a fixation groove;

4-a first support bar;

41-a cassette;

5, fixing parts;

51-card slot;

52-a spring;

53-a protruding member;

54-a groove;

6, a protective cover;

7, a polish rod;

8-a second support bar;

9-pulling a rope;

10-round hook;

11-flexible connecting rope;

12-walking beam.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be a mechanical connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

FIG. 1 is an assembly view of a pull cord displacement sensor of the prior art; fig. 2 is a schematic structural view of the rope hanger. As shown in fig. 1 and 2, when testing the operating condition of the pumping unit 1, it is necessary to install the sensor of the rope displacement sensor 2 in the fixing groove 31 of the hanger 3, hang the round hook 10 on the rope 9 of the rope displacement sensor 2 on the christmas tree, and test the length change of the rope 9 by the rope displacement sensor 2 to know the vertical movement distance of the hanger 3. Wherein, the upper end of the rope hanger 3 is connected with the walking beam 12 through the flexible connecting rope 11, and the lower end of the rope hanger 3 is connected with the connecting rod of the oil pumping unit 1 through the polished rod 7. At present, the installation process of the pull rope displacement sensor 2 is as follows: after the pumping unit 1 is stopped at the lower dead point, an operator stands on the Christmas tree to place the pull rope displacement sensor 2 in the fixing groove 31 of the rope hanger 3. However, the operator is very likely to slip off the christmas tree during the process of installing the pull rope displacement sensor 2, thereby causing safety accidents such as casualties and the like.

To avoid the above, the present embodiment provides a device for mounting a rope displacement sensor.

Fig. 3 is a schematic structural diagram of the device for mounting the pull rope displacement sensor provided in the embodiment. As shown in fig. 1 to 3, the present embodiment provides an apparatus for mounting a pull rope displacement sensor, including a first support rod 4 and a fixing member 5; the fixing piece 5 is provided with a fixing part for fixing the stay cord displacement sensor 2 and a connecting part for detachably connecting with the first support rod 4; the first support bar 4 is used to send the fixing member 5 to the vicinity of the fixing groove 31 of the hanger 3 to mount the string displacement sensor 2 in the fixing groove 31.

At the oil recovery site, the polished rod eye 2 is generally at the position of about three meters from the ground, and in order to facilitate the installation of the rope displacement sensor 2, the rope displacement sensor 2 is fixed on the fixing member 5 in this embodiment, and then the fixing member 5 is sent to the vicinity of the fixing groove 31 of the polished rod eye 3 through the first supporting rod 4, and the operator applies a force towards the fixing groove 31 to the fixing member 5 through the first supporting rod 4, so that the rope displacement sensor 2 is installed in the fixing groove 31.

Wherein, mounting 5 is provided with fixed part and connecting portion, stay cord displacement sensor 2 passes through the fixed part to be fixed on mounting 5, first bracing piece 4 can be dismantled with mounting 5 through connecting portion and is connected, first bracing piece 4 will carry stay cord displacement sensor's mounting 5 back in the fixed slot 31 of polished rod eye 3 like this, can break away from first bracing piece 4 and mounting 5, the effectual normal test that has prevented first bracing piece 4 influence stay cord displacement sensor 2, thereby guarantee the accurate test of beam-pumping unit behavior.

During specific installation, at first stop the beam-pumping unit at bottom dead center, at this moment, polished rod eye 3 is in the position nearest from the well head, then fix stay cord displacement sensor 2 on the fixed part of mounting 5, pass through connecting portion detachable with the one end of first bracing piece 4 and fix on mounting 5, operating personnel holds first bracing piece 4, send mounting 5 near fixed slot 31 of polished rod eye 3, operating personnel continues to pass through first bracing piece 4 to the application of force of mounting 5, in order to fix stay cord displacement sensor 2 in this fixed slot 31, dismantle first bracing piece 4 from mounting 5 after fixed, accomplish the installation of stay cord displacement sensor 2. It can be understood that the assembling sequence among the first supporting rod 4, the fixing member 5 and the displacement sensor 2 can be adjusted, for example, the fixing member 5 can be installed on the first supporting rod 4 first, then the rope displacement sensor 2 is fixed on the fixing member 5, and then the rope displacement sensor 2 carried by the fixing member 5 is fixed in the fixing groove 31 of the rope hanger 3 through the first supporting rod 4. Therefore, the order of assembling the first support rod 4, the fixing member 5, and the displacement sensor 2 is not limited herein, as long as the smooth assembly of the three is ensured.

The arrangement of the first supporting rod 4 and the fixing part 5 not only improves the safety of the installation process of the stay cord displacement sensor 2, avoids the problem that safety accidents easily occur when an operator stands on an oil production tree to install the stay cord displacement sensor 2, but also installs the stay cord displacement sensor through the device of the embodiment, so that the installation process is more convenient and faster, and the installation efficiency of the stay cord displacement sensor is effectively improved.

The device for installing the stay cord displacement sensor has the advantages that the structure is simple, the installation process of the device is simplified, the device is convenient to use, and the installation efficiency of the stay cord displacement sensor is further improved.

Simultaneously, through can dismantling first bracing piece 4 and connect on mounting 5 to make mounting 5 carry stay cord displacement sensor 2 and fix to the fixed slot 31 of polished rod eye 3 back, first bracing piece 4 can be dismantled, realizes that stay cord displacement sensor 2's installation convenient, swift and safe basis on, has also alleviateed the weight that stay cord displacement sensor 2 bore, makes stay cord displacement sensor 2 can normally test.

The first support rod 4 is detachably connected to the fixing member 5 through a connecting portion, so that the first support rod 4 or the fixing portion 5 can be independently replaced, and thus the length of the first support rod 4 can be adjusted according to the height of the rope hanger 3, and the smooth installation of the rope pulling displacement sensor 2 in the fixing groove 31 of the rope hanger 3 through the device is ensured.

Wherein, first bracing piece 4 can adopt hollow structure's non-metallic material, for example plastics or wooden material, is guaranteeing still to practice thrift manufacturing cost on the basis of the effective support to mounting 5 like this, has also alleviateed the weight of first bracing piece 4 simultaneously for first bracing piece 4 is more convenient through the process that mounting 5 fixed stay cord displacement sensor 2 in fixed slot 31, and has improved the installation rate.

The fixing member 5 may be designed in various structures without limitation as long as the fixing member 5 can fix the rope displacement sensor and is detachably connected to the first support rod 4.

In this embodiment, after the fixing member 5 is sent to the vicinity of the fixing groove 31 of the rope hanger 3 by the first support rod 4, the operator applies force to the fixing member 5 by means of the first support rod 4, so that the fixing member 5 drives the rope displacement sensor 2 to enter the fixing groove 31, and the first support rod 4 is detached, thereby implementing the installation of the rope displacement sensor 2. In the installation, first bracing piece 4 can also fix the fixed part 5 partly in the fixed slot 31 of polished rod eye 3 along with stay cord displacement sensor 2 to make the fixed part 5 more stable fix in the fixed slot 31 of polished rod eye 3, effectually prevented to take place to loosen between fixed part 5 and the stay cord displacement sensor 2 and cause fixed part 5 to drop, avoided the emergence of incident. Meanwhile, the part of the fixing member 5 is collectively accommodated in the fixing groove 31 of the hanger 3, so that the stability of the rope displacement sensor 2 in the fixing groove 31 is improved, and the rope displacement sensor 2 can accurately sense the change of the length of the rope 8.

Because install stay cord sensor 2 back in fixed slot 31, need dismantle first bracing piece 4 from mounting 5, at the in-process of dismantling, if the mounting 5 is fixed unstable, first bracing piece 4 very easily drives mounting 5 and rocks to influence the dismantlement of first bracing piece 4, also can make mounting 5 drive stay cord sensor 2 simultaneously and remove, lead to the unable firm in fixed slot 31 of stay cord sensor 2. This embodiment all accomodates stay cord displacement sensor 2 and a part of mounting 5 in fixed slot 31 for mounting 5 obtains fixed of fixed slot 31, has prevented to dismantle the stability that the in-process of first bracing piece 4 influences mounting 4, and mounting 4 is fixed motionless simultaneously, also makes the dismantlement of first bracing piece 4 convenient more quick, has further improved the installation effectiveness. In specific implementation, the fixing member 5 may be completely located outside the rope hanger 3, as long as the stable connection between the fixing member 5 and the rope displacement sensor 2 can be ensured.

In this embodiment, first bracing piece 4 passes through connecting portion to realize and the mounting 5 between can dismantle for the dismantlement between first bracing piece 4 and the mounting 5 is convenient and fast more on the basis of the normal test of guaranteeing stay cord displacement sensor 2.

In a possible embodiment, the connecting part is a female thread provided on the fixing part 5, and a male thread matching the female thread is provided at one end of the first support rod 4; alternatively, the connecting portion may be an external thread provided on the fixing member 5, and an internal thread matched with the external thread is provided at one end of the first support rod 4. The fixing piece 5 is detachably connected with the first supporting rod 4 through the mutual matching of the internal thread and the external thread. During the installation process, a part of the fixing member 5 is accommodated in the fixing groove 31 of the rope hanger 3, so that when the first support rod 4 is detached, the fixing member 5 is not driven by the first support rod 4 to rotate in the process of rotating the first support rod 4, and the first support rod 4 is rapidly detached from the fixing member 5.

During specific installation, fix stay cord displacement sensor 2 on the fixed part of mounting 5, pass through threaded connection on mounting 5 with the one end of first bracing piece 4, operating personnel holds first bracing piece 4, send mounting 5 near fixed slot 31 of polished rod eye 3, then through first bracing piece 4 to the application of force of mounting 5, fix stay cord displacement sensor 2 and part of mounting 5 in this fixed slot 31, after fixed, rotate first bracing piece 4, dismantle from mounting 5 until first bracing piece 4, accomplish stay cord displacement sensor 2's installation.

This embodiment is through setting up the internal thread on mounting 5, be provided with in the one end of first bracing piece 4 with this internal thread assorted external screw thread to make through threaded connection between first bracing piece 4 and the mounting 5, realized quick dismantlement and installation between first bracing piece 4 and the mounting 5, this connection structure is also comparatively simple moreover, has further simplified the manufacturing process of the device.

Fig. 4 is an assembly view of the fixing member and the first support rod in the device for mounting the stay cord displacement sensor according to the present embodiment. In another possible embodiment, as shown in fig. 4, the first support bar 4 is snap-connected to the fixing member 5. The specific connecting structure can be as follows: the connecting portion is a slot 51 disposed on the fixing member 5, springs 52 are disposed on two sides of an inner wall of the slot 51, and a clamping seat 41 having an inclined plane is disposed on two side walls of one end of the first supporting rod 4.

Specifically, when the first support rod 4 is assembled with the fixing member 5, one end of the first support rod 4 extends into the clamping groove 51 on the fixing member 5, an inclined surface of the clamping seat 41 on the first support rod 4 compresses the spring 52 in the clamping groove 51, and the spring 52 blocks the clamping seat 41 after being reset, so that the first support rod 4 is clamped in the clamping groove 51 arranged on the fixing member 5, and the stable connection between the first support rod 4 and the fixing member 5 is realized; when the first support rod 4 is detached, a force in a direction away from the clamping groove 51 is applied to the first support rod 4, at this time, the other inclined surface of the clamping seat 41 on the first support rod 4 compresses the spring 52, and then the first support rod 4 is pulled out from the clamping groove 51 on the fixing member 5, so that the detachment of the first support rod 4 is completed.

After the rope displacement sensor 2 is fixed in the fixing groove 31 of the rope hanger 3, the first support rod 4 needs to be detached from the fixing member 5, when the first supporting rod 4 is connected with the fixing member 5 in a snap-fit manner, the first supporting rod 4 is detached by applying a force to the first supporting rod 4, which is away from the locking groove 52 of the fixing member 5, so that the first supporting rod 4 is separated from the fixing member 5, in order to affect the stability of the fixing member 5 during the detaching process, in the present embodiment, a part of the fixing member 5 is accommodated in the fixing groove 31 of the hanger 3 along with the rope displacement sensor 2, the effectual dismantlement process that has prevented first bracing piece 4 causes destruction to mounting 5 and stay cord displacement sensor 2's structural stability, and mounting 5 is fixed motionless simultaneously, also is favorable to the quick dismantlement of first bracing piece 4.

This embodiment is connected through being connected first bracing piece 4 and 5 buckles of mounting, has not only guaranteed the stability of being connected between mounting 5 and the first bracing piece 4, and this connected mode also makes the installation between first bracing piece 4 and the mounting 5 more convenient with the dismantlement moreover, has further improved the device to stay cord displacement sensor's installation effectiveness.

In this embodiment, the fixing member 5 and the pull rope displacement sensor 2 may be connected in various ways.

Fig. 5 is a first assembly view of the fixing member and the pull rope displacement sensor in the device for mounting the pull rope displacement sensor according to the present embodiment. As shown in fig. 5, the fixing member 5 may be a block structure, a hollow cavity is formed in the middle of the block structure, and the pull rope displacement sensor 2 is inserted and fixed in the cavity of the block structure.

Specifically, the fixing portion of the block structure is a hollow cavity formed in the middle of the block structure, the hollow cavity can also penetrate through the upper surface and the lower surface of the block structure, the pull rope displacement sensor 2 is arranged and fixed in the cavity in a penetrating manner, and in the installation process, the plane where the opening of the cavity is located is perpendicular to the plane where the opening of the fixing groove 31 is located. The connecting portion of the block structure is disposed on one of the side surfaces of the block structure adjacent to the upper and lower surfaces. Specifically, at the time of installation, the block structure is fed to the vicinity of the fixing groove 31 of the rope hanger 3 via the first support rod 4, and the block structure is further moved to fix the block structure and the rope displacement sensor 2 sandwiched by the block structure together in the fixing groove 31. This embodiment wears to establish stay cord displacement sensor 2 and fixes in the cavity of seting up on mounting 5, on the basis of guaranteeing this stay cord displacement sensor 2 and 5 stable connections of mounting, this fixed mode is also comparatively simple for it is more convenient to install.

In order to facilitate connection between the first support rod 4 and the block structure, the protruding part 53 may be disposed on a side surface of the block structure, when the first support rod 4 is in threaded connection with the fixing part 5, the connecting part is an internal thread disposed at a bottom of the protruding part 53, an external thread corresponding to the internal thread is disposed at one end of the first support rod 4, and the block structure is detachably connected to the first support rod 4 through the thread. Similarly, when the first supporting rod 4 is connected with the fixing member 5 in a snap-fit manner, the connecting portion is a slot 51 formed at the bottom of the protruding member 53, two sides of the inner wall of the slot 51 are respectively provided with a spring 52, and two side walls at one end of the first supporting rod 4 are provided with a clamping seat 41.

This embodiment sets up bellying 53 in this massive structure's side, sets up connecting portion on this bellying 53 for operating personnel moves stay cord displacement sensor 2 to the process of polished rod eye 3's fixed slot 31 more laborsavingly through first bracing piece 4, and then has improved the installation effectiveness. Meanwhile, the first supporting rod 4 and the connecting part are arranged in the same vertical direction, so that the first supporting rod 4 is more convenient to detach.

Fig. 6 is a second assembly view of the fixing member and the pull rope displacement sensor in the device for mounting the pull rope displacement sensor according to the present embodiment. As shown in fig. 6, it can be understood that the cavity may penetrate through two opposite side surfaces of the block structure, and the pull string displacement sensor 2 is accommodated in the cavity, so as to fix the pull string displacement sensor 2 and the fixing member 5. The connecting portion of the block structure may be provided on the bottom surface of the block structure, and the block structure is detachably connected to the first support rod 4 through the connecting portion. During specific installation, the plane of the opening of the cavity of the block structure is parallel to the plane of the opening of the fixing groove 31, the block structure is conveyed to the position near the fixing groove 31 of the rope hanger 3 through the first support rod 4, the block structure is moved continuously, the block structure and the pull rope displacement sensor 2 clamped by the block structure are fixed in the fixing groove 31 together, and at the moment, due to the blocking of the first support rod 4, the block structure and the pull rope displacement sensor 2 are located on the outer side of the fixing groove 31.

Fig. 7 is a third assembly view of the fixing member and the pull rope displacement sensor in the device for mounting the pull rope displacement sensor according to the present embodiment. As shown in fig. 7, the fixing member 5 is a block structure, a groove 54 is formed on a side wall of the block structure, and the string displacement sensor 2 is at least partially accommodated in the groove 54. Wherein the connecting portion may be provided on the bottom wall of the block structure or on the side wall of the block structure opposite to the groove 55.

As shown in fig. 7, in order to prevent the rope 9 on the rope displacement sensor 2 from being blocked by the block structure, the groove 54 of the present embodiment penetrates through the front and rear sidewalls of the block structure, and the end of the rope displacement sensor 2 connected to the rope 9 extends into the front sidewall or the rear sidewall of the groove 54, so that the hook 10 at the lower end of the rope 9 can be smoothly hung on the christmas tree. The present embodiment facilitates the connection between the pull rope sensor 2 and the fixing member 5 by fixing at least a portion of the pull rope displacement sensor 2 in the groove 54 formed in the side wall of the fixing member 5. Simultaneously, when first bracing piece 4 fixes stay cord displacement sensor 2 in fixed slot 31 through this massive structure, if this stay cord displacement sensor 2 stretches into fixed slot 31's part and fixed slot 31 in close contact with, then remove this massive structure through first bracing piece 4, can realize breaking away from of this massive structure and stay cord displacement sensor 2 to make after the installation of stay cord displacement sensor 2, the device breaks away from on stay cord displacement sensor 2, further guaranteed the accuracy of stay cord displacement sensor 2's test result.

During specific implementation, the first supporting rod 4 is a telescopic rod, so that the length of the first supporting rod 4 can be adjusted in time according to the height of the rope hanger 3, and smooth installation of the device on the stay rope displacement sensor 2 is further ensured. Meanwhile, the first supporting rod 4 is arranged to be of a telescopic structure, so that the device is more convenient to store after being used, and meanwhile, the occupied space of the device is saved. Wherein, the telescopic rod can comprise a plurality of sleeves which are sequentially sleeved together from inside to outside.

Fig. 8 is an assembly view of the protective cover and the first support rod in the device for mounting the pull-cord displacement sensor according to the present embodiment. As shown in fig. 8, in order to ensure that the rope displacement sensor 2 is stably fixed in the fixing groove 31 of the rope hanger 3, the device of the embodiment further comprises a protective cover 6, wherein the protective cover 6 is detachably connected with the first support rod 4 in an alternative manner to the fixing member 5; the protection cover 6 is used for covering the fixing groove 31 to protect the pull rope displacement sensor 2.

In actual work, polished rod eye 3 is connected on the connecting rod of beam-pumping unit 1 through polished rod 7, and beam-pumping unit 1 is in normal course of work, and polished rod eye 3 reciprocates under polished rod 7's drive, makes the stay cord displacement sensor 2 that is arranged in polished rod eye 3's fixed slot 31 skew easily like this, leads to the condition emergence that this stay cord displacement sensor 2 breaks away from polished rod eye 3 even.

In order to avoid this, in the present embodiment, after the string displacement sensor 2 is mounted in the fixing groove 31 of the hanger 3, the protective cover 6 is continuously covered on the outside of the fixing groove 31, so that the displacement sensor 2 is fixed in the fixing groove 31. Since the fixing member 5 is fixed to the string displacement sensor 2 when the string displacement sensor 2 of the present embodiment is fixed to the fixing groove 31, the protective cover 6 needs to be disposed in accordance with the position of the fixing member 5. For example, when the fixing member 5 is a block structure and the string displacement sensor 2 is inserted and fixed in the hollow cavity 54 formed in the middle of the block structure, the fixing member 5 is partially received in the fixing groove 31 and partially located outside the fixing groove 31 during installation, and the protective cover 6 can be directly engaged with the inner wall of the fixing groove 31 and covered outside the fixing member 5.

In order to fix the protection cover 6 outside the fixing groove 31 more conveniently, in the present embodiment, the protection cover 6 is fixed on the fixing member 5, the fixing member 5 is sent to the vicinity of the fixing groove 31 through the first supporting rod 4, and then the fixing member 5 is forced through the first supporting rod 4, so that the protection cover 6 is fixed outside the fixing groove 31. This embodiment installs visor 6 outside fixed slot 31 through first bracing piece 4 and mounting 5 for this visor 6's installation is convenient and fast more, and has avoided operating personnel to stand and has operated the condition that very easily takes place the incident on the production tree.

The fixing member 5 can be detachably connected to the protection cover 6, so that after the protection cover 6 is fixed to the fixing groove 31, the first support rod 4 separates the fixing member 5 from the protection cover 6, and thus both the first support rod 4 and the fixing member 5 are separated from the protection cover 6. Alternatively, the fixing member 5 is detachably connected to the first supporting rod 4, so that after the protecting cover 6 is fixed to the fixing groove 31, the protecting cover 6 is detached from the fixing member 5 by operating the first supporting rod 4, and at this time, the fixing member 5 is provided on the fixed protecting cover 6. In this embodiment, any one of the protection cover 6 and the fixing member 5 is detachably connected to the first support rod 4, so that after the protection cover 6 is fixed outside the fixing groove 31 of the rope hanger 3, the first support rod 4 or the first support rod 4 can be detached together with the fixing member 5, thereby reducing the weight borne by the protection cover 6, and further enabling the protection cover 6 to be more stably fixed outside the fixing groove 31.

The connection manner between the fixing member 5 and the protecting cover 6 or between the first supporting member 4 and the fixing member 5 can be various, and specific reference can be made to the above description of the connection manner between the first supporting member 4 and the fixing member 5, which is not repeated herein.

Fig. 9 is an assembly view of the protective cover and the second support rod of the device for mounting the pull rope displacement sensor according to the present embodiment. As shown in fig. 9, a second support bar 8 may also be provided in this embodiment, and the protective cover 6 is detachably connected to the second support bar 8; the protection cover 6 is used for covering the fixing groove 31 to protect the pull rope displacement sensor 2.

During specific installation, the protective cover 6 is fixed on the second support rod 8, and an operator operates the second support rod 8 to fix the protective cover 6 outside the fixing groove 31, so that the second support rod 8 is detached from the protective cover 6, and the protective cover 6 is installed.

This embodiment installs visor 6 through second bracing piece 8, has not only improved visor 6's installation effectiveness, and has guaranteed the security of installation. The second support bar 8 may have the same structure as the first support bar 4, and is a telescopic bar.

The utility model provides a device for installing a stay cord displacement sensor, which comprises a first supporting rod and a fixing part; the fixed piece is provided with a fixed part for fixing the stay cord displacement sensor and a connecting part for detachably connecting with the first support rod; the first support bar is used for feeding the fixing member to the vicinity of the fixing groove of the hanger to mount the pull rope displacement sensor in the fixing groove. The utility model discloses a fix stay cord displacement sensor on the mounting, send the mounting to near the fixed slot of polished rod eye through first bracing piece, then carry out the application of force to the mounting through first bracing piece, so that stay cord displacement sensor installs in the fixed slot, the security of stay cord displacement sensor's installation has not only been improved in the setting of first bracing piece and mounting, the problem of the very easy emergence incident of installation stay cord displacement sensor on the production tree of having avoided operating personnel to stand, and make whole stay cord displacement sensor's installation convenient and fast more, the effectual installation effectiveness who improves stay cord displacement sensor. Simultaneously, through can dismantling the connection on the mounting with first bracing piece to make the mounting carry stay cord displacement sensor fixed to the fixed slot of polished rod eye after, first bracing piece can be dismantled, is realizing that stay cord displacement sensor's installation is convenient, swift and safe basis on, has also guaranteed stay cord displacement sensor's normal test.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A device for mounting a stay cord displacement sensor is characterized by comprising a first support rod and a fixing piece;

the fixed piece is provided with a fixed part for fixing the stay cord displacement sensor and a connecting part for detachably connecting with the first support rod;

the first support rod is used for sending the fixing piece to the vicinity of a fixing groove of the rope hanger so as to install the stay rope displacement sensor into the fixing groove.

2. The device of claim 1, wherein a portion of the anchor is received in the retaining groove.

3. The device of claim 2, wherein the first support bar is threadably coupled to the mount and the portion of the mount received in the securing slot is configured to prevent rotation of the mount.

4. The device of claim 2, wherein the first support bar is snap-fit to the mount.

5. The device for installing the stay cord displacement sensor according to claim 4, wherein the fixing member is a block structure, a hollow cavity is formed in the middle of the block structure, and the stay cord displacement sensor is arranged in the cavity of the block structure in a penetrating manner and fixed in the cavity.

6. The device for mounting a pull-cord displacement sensor according to claim 4, wherein the fixing member is a block-shaped structure, a groove is formed on a side wall of the block-shaped structure, and the pull-cord displacement sensor is at least partially accommodated in the groove.

7. The device for mounting a pull-cord displacement sensor of claim 1, wherein the first support bar is a telescoping bar.

8. The device for mounting a pull rope displacement sensor according to claim 7, wherein the extendable rod comprises a plurality of sleeves which are sequentially sleeved together from inside to outside.

9. The device for mounting a pull-cord displacement sensor of any one of claims 1-6, further comprising a protective cover that is removably attachable to the first support bar in an alternative manner to the securing member; the protective cover is used for covering the outside of the fixed groove so as to protect the stay cord displacement sensor.

10. The device for mounting a pull-cord displacement sensor of any one of claims 1-6, further comprising a protective cover and a second support rod, wherein the protective cover is detachably connected to the second support rod; the protective cover is used for covering the outside of the fixed groove so as to protect the stay cord displacement sensor.

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