Axial pulling device and method for sliding type inclinometer measuring head sleeve

Abstract

The invention provides an axial pulling device and method for a measuring head sleeve of a sliding type inclinometer. The axial pulling device comprises a wheel seat clamping sleeve, a plug pin, a rotating nut and a rear end fixing unit, and the wheel seat clamping sleeve, the rotating nut and the rear end fixing unit are sequentially arranged backwards along the measuring head sleeve of the sliding type inclinometer; a small wheel containing groove is formed in the wheel seat clamping sleeve and used for containing a small wheel installed on the measuring head wheel seat, a plug pin hole is formed in the wheel seat clamping sleeve in the direction perpendicular to the symmetry axis, and a plug pin penetrates through the plug pin hole and the measuring head wheel set installation groove to fixedly connect the wheel seat clamping sleeve and the measuring head sleeve. An inner nut of the rotating nut is in threaded fit with the outer part of the front end of the rear end fixing unit, and the rear end fixing unit fixes the sliding type inclinometer measuring head sleeve. The problem that a sleeve, a wheel seat and an additional meter are damaged in the after-sales maintenance and production rework of the sliding type measuring head is solved, the quality in the after-sales maintenance and production rework process is controllable, the product appearance qualification rate and the additional meter qualification rate after the process are both improved to 100%, and the equipment cost is saved.

Description

Technical Field

[0001] The present invention belongs to the technical field of instrument maintenance, and particularly relates to an axial extraction device and method for the probe sleeve of a sliding inclinometer. Background Technique

[0002] The sliding inclinometer includes various components such as a sliding probe, a cable, a cable reel, a reading instrument, a repeater, a mobile phone APP, and a PC data management system. Among them, the sliding probe is the core component of the sliding inclinometer. It is equipped with a high-precision quartz accelerometer or a MEMS accelerometer inside. By measuring the angle between different depth measurement segments and the vertical line of the ground, the displacement values of each measurement segment are calculated.

[0003] To ensure the measurement accuracy of the sliding probe and reduce the accuracy degradation caused by the slight swing of the wheel seat, in the assembly of the upper and lower wheel seats of the sliding probe and the sleeve, in addition to using a positioning pin for circumferential tangential positioning and screws for fixation, an adhesive bonding process is also adopted to bond and fix the sliding probe sleeve. The bonding process method in the assembly of the sliding probe sleeve uses the colloid to fill the clearance between the inner wall of the sliding probe sleeve and the upper and lower wheel seats of the sliding probe, and bonds the sliding probe sleeve with the upper and lower wheel seats together. This method ensures the fixation of the relative position of the sliding probe sleeve and the upper and lower wheel seats, eliminates the slight swing of the upper and lower wheel seats themselves, and ensures the measurement accuracy of the sliding probe. However, in the after-sales maintenance and production rework of the sliding probe, this process method increases the disassembly difficulty of the sleeve and the upper and lower wheel seats because the sliding probe sleeve and the upper and lower wheel seats are bonded together by the colloid. Without the assistance of external equipment, manpower cannot disassemble the connection between the sleeve and the upper and lower wheel seats.

[0004] The upper and lower wheel seats of the sliding probe are respectively equipped with sleeve positioning pins, and the two ends of the sleeve are respectively provided with positioning pin slots. The positioning pins perform tangential positioning on the sleeve, restricting the self-rotation of the sleeve relative to the center line of the wheel seat. Therefore, traditional pipe wrench-like tools cannot be used for self-rotating disassembly and assembly, and only axial disassembly and assembly of the sleeve relative to the wheel seat are allowed.

[0005] Currently, the existing sleeve disassembly methods include heating and softening the colloid method, using a flat screwdriver to strike the sleeve method, and using a crowbar to pry the wheel seat method.

[0006] Heating and softening the colloid method:

[0007] The shear strength of Loctite 680 glue is different at different test temperatures. When the colloid is heated to 200 - 250 °C, its shear strength will be greatly reduced, and then disassembly can be carried out.

[0008] The method of heating and softening the colloid is to set the hot air temperature of the hot air gun to 200 °C, use it to heat the sleeve bonding position at a high temperature, and after the colloid is softened, disassemble the sleeve. Without considering the attenuation of heat conduction, the set heating temperature value in this method has exceeded the allowable temperature of the meter, causing a certain risk of damage to the internal structure stability of the meter.

[0009] The method of using a flat screwdriver to strike the sleeve:

[0010] The method of using a flat screwdriver to strike the sleeve is to energize the probe and keep the swing piece of the meter in a suspended state. Then, use a hammer to strike the tail of the flat screwdriver to make the flat screwdriver tip embed into the gap between the sleeve and the wheel seat. Then, change the direction of the flat screwdriver to strike the wheel seat or the sleeve obliquely. After the colloid structure is completely damaged, pull out the wheel seat. In addition to the inevitable appearance damage to the sleeve and the wheel seat, the knocking vibration also causes a certain risk of damage to the meter, and two people are required to cooperate in the operation.

[0011] The method of using a crowbar to pry the wheel seat:

[0012] The method of using a crowbar to pry the wheel seat is to use a bench vice to clamp and fix the sleeve, insert the crowbar into the wheel group groove of the wheel seat to pry it, so as to damage the colloid structure and gradually pry out the wheel seat. This method is likely to cause the sleeve to be clamped and deformed and the appearance damage of the wheel seat. Summary of the Invention

[0013] The purpose of the present invention is to overcome the deficiencies in the prior art and provide an axial extraction device and method for the probe sleeve of a sliding inclinometer. The solution of the present invention can solve the problems existing in the above prior art.

[0014] The technical solution of the present invention:

[0015] According to the first aspect, an axial extraction device for the probe sleeve of a sliding inclinometer is provided, including a wheel seat clamp, a pin, a rotating nut, and a rear-end fixing unit. The wheel seat clamp, the rotating nut, and the rear-end fixing unit are arranged in sequence along the sliding inclinometer probe sleeve backward; a small wheel receiving groove is provided inside the wheel seat clamp to receive the small wheels installed on the probe wheel seat. A pin hole is provided in the direction perpendicular to the symmetry axis of the wheel seat clamp. The pin passes through the pin hole and the probe wheel group installation groove to fix the wheel seat clamp and the probe sleeve; the internal nut of the rotating nut is in threaded cooperation with the front external thread of the rear-end fixing unit, and the rear-end fixing unit fixes the sliding inclinometer probe sleeve.

[0016] Working principle: When pulling out, rotate the rotating nut to make the rotating nut axially push the wheel seat bushing in the opposite direction of the disassembly of the probe sleeve. Due to the existence of the pin, the wheel seat bushing is fixed to the probe wheel seat, thus driving the probe wheel seat to move in the opposite direction of disassembly, realizing the movement of the probe wheel seat relative to the sliding inclinometer sleeve, so as to achieve the purpose of pulling out the sleeve.

[0017] Furthermore, the axial pulling-out device for the probe sleeve of the sliding inclinometer includes a thrust bearing, and the inner diameter of the thrust bearing is larger than the envelope diameter of the small wheel on the probe wheel seat; the thrust bearing is located between the wheel seat bushing and the rotating nut.

[0018] Furthermore, the axial pulling-out device for the probe sleeve of the sliding inclinometer includes a temperature-limited heating tube, and the temperature-limited heating tube is arranged inside the rear-end fixing unit, near the part where the sliding inclinometer is glued. When pulling out, the temperature-limited heating tube heats the glued part of the sliding inclinometer.

[0019] Furthermore, the heating range of the temperature-limited heating tube is: 80°C to 100°C.

[0020] Furthermore, the rear-end fixing unit includes an upper sleeve clamp, a lower sleeve clamp, a deformable soft pad and a sleeve fixing fixture. The upper sleeve clamp and the lower sleeve clamp are wrapped around the sleeve in the middle of the probe of the sliding inclinometer. The front and rear ends of the upper sleeve clamp and the lower sleeve clamp are provided with external threads. The inner part of the front section of the sleeve fixing fixture is provided with internal threads that match the external threads at the rear ends of the upper sleeve clamp and the lower sleeve clamp. The inner part of the middle section of the sleeve fixing fixture is provided with a step for installing the deformable soft pad. The front end face of the deformable soft pad contacts the rear end faces of the upper sleeve clamp and the lower sleeve clamp, and the rear end face of the deformable soft pad contacts the step face.

[0021] Furthermore, the inner diameter of the deformable soft pad is smaller than the outer diameter of the rear end faces of the upper sleeve clamp and the lower sleeve clamp, and the outer diameter of the deformable soft pad is larger than the outer diameter of the rear end faces of the upper sleeve clamp and the lower sleeve clamp.

[0022] Furthermore, the deformable soft pad is made of rubber.

[0023] According to the second aspect, a method for axially pulling out the probe sleeve of a sliding inclinometer is provided, including the following steps:

[0024] Fix the rear-end fixing unit on the sliding inclinometer;

[0025] Screw the rotating nut into the external thread at the front end of the rear-end fixing unit;

[0026] Align the small wheel receiving groove opened inside the wheel seat bushing with the small wheel and push it in until the pin hole of the wheel seat bushing overlaps with the installation groove of the probe wheel group, and insert the pin;

[0027] Rotate the rotating nut until it is close to the wheel seat bushing, and complete the installation of the axial extraction device for the probe sleeve of the sliding inclinometer;

[0028] Rotate the rotating nut until there is an obvious relative displacement of the wheel seat bushing relative to the rear-end fixing unit, and continue to rotate the rotating nut to completely pull out the wheel seat bushing from the probe sleeve.

[0029] Furthermore, the axial extraction method for the probe sleeve of the sliding inclinometer includes sleeving the thrust bearing on the rear-end fixing unit before aligning the small wheel receiving groove opened inside the wheel seat bushing with the small wheel and pushing it in.

[0030] Furthermore, the axial extraction method for the probe sleeve of the sliding inclinometer includes heating the cemented part of the sliding inclinometer sleeve with a temperature-limiting heating tube after completing the installation of the axial extraction device for the probe sleeve of the sliding inclinometer.

[0031] Advantages of the present invention compared with the prior art:

[0032] The present invention designs to use the meshing of a screw and a nut to transmit power and motion, convert rotational motion into linear motion, convert torque into axial thrust, and obtain mechanical gain, convert a smaller torque into a larger axial thrust, and realize the method of applying the thrust by the thrust bearing to complete the non-destructive axial extraction of the probe sleeve of the sliding inclinometer, solve the problems of damage to the sleeve, wheel seat, and additional table during after-sales maintenance and production rework of the sliding probe, realize the quality control during after-sales maintenance and production rework processes, improve the appearance qualification rate and additional table qualification rate of the products after the process to 100%, and save equipment costs; at the same time, solve the problems of high difficulty and low efficiency, greatly reduce the disassembly difficulty, reduce the operation from two people to one person independently, improve the efficiency of the sleeve disassembly process, shorten the after-sales maintenance and production rework cycle, and the economic benefits are obvious. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The accompanying drawings included are used to provide a further understanding of the embodiments of the present invention, which form a part of the specification, are used to illustrate the embodiments of the present invention, and are used to explain the principles of the present invention together with the text description. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts.

[0034] Figure 1 Shows a schematic structural diagram of an axial extraction device for a probe sleeve of a sliding inclinometer provided according to an embodiment of the present invention;

[0035] Figure 2 shows a sectional view of an axial extraction device for the probe sleeve of a sliding inclinometer according to an embodiment of the present invention;

[0036] Figure 3 shows a schematic diagram of the steps of an axial extraction method for the probe sleeve of a sliding inclinometer according to an embodiment of the present invention. Detailed implementation manners

[0037] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be combined with each other. The technical solutions in 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually illustrative only and in no way limits the present invention and its application or use. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0038] It should be noted that the terms used herein are only for describing specific implementation manners and are not intended to limit the exemplary implementation manners according to the present application. As used herein, unless otherwise clearly specified in the context, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "comprise" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0039] Unless otherwise specifically stated, the relative arrangements of the components and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. At the same time, it should be understood that, for the sake of convenience of description, the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and devices should be regarded as part of the authorized specification. In all the examples shown and discussed herein, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0040] As Figure 1As shown, according to an embodiment of the first aspect of the present invention, a device for axially extracting the head sleeve of a sliding inclinometer is provided, which includes a wheel seat clamping sleeve, a pin, a rotating nut, and a rear-end fixing unit. The wheel seat clamping sleeve, the rotating nut, and the rear-end fixing unit are arranged in sequence along the sliding inclinometer head sleeve towards the rear; a small wheel accommodating groove is arranged inside the wheel seat clamping sleeve to accommodate the small wheel of the head sleeve. A pin hole is arranged in the direction perpendicular to the axis of symmetry of the wheel seat clamping sleeve. The pin passes through the pin hole and the head wheel set mounting groove to fixedly connect the wheel seat clamping sleeve and the head sleeve; the internal nut of the rotating nut is in threaded cooperation with the outer thread of the front end of the rear-end fixing unit, and the rear-end fixing unit fixes the part of the sliding inclinometer except the head sleeve.

[0041] Working principle: During extraction, rotate the rotating nut to make the rotating nut axially push the wheel seat clamping sleeve in the opposite direction of the disassembly of the head sleeve. Due to the existence of the pin, the wheel seat clamping sleeve is fixed to the head wheel seat, thereby driving the head wheel seat to move in the opposite direction of disassembly, realizing the movement of the head wheel seat relative to the sliding inclinometer sleeve, and thus achieving the purpose of extracting the sleeve.

[0042] Through this setting, the power and motion are transmitted by the meshing of the screw and the nut, converting the rotational motion into a linear motion, converting the torque into an axial thrust, and obtaining a mechanical gain, converting a smaller torque into a larger axial thrust. A method for axially extracting the sliding inclinometer head sleeve without damage by applying the thrust of the thrust bearing is realized, solving the problems of damage to the sleeve, wheel seat, and additional table during after-sales maintenance and production rework of the sliding inclinometer head, realizing quality control during after-sales maintenance and production rework processes, increasing the appearance qualification rate and additional table qualification rate of the products after the process to 100%, saving equipment costs; at the same time, solving the problems of high difficulty and low efficiency, greatly reducing the disassembly difficulty, reducing the operation from two people to a single person independently, improving the efficiency of the sleeve disassembly process, shortening the after-sales maintenance and production rework cycle, and having obvious economic benefits.

[0043] Further, in an embodiment, the device for axially extracting the sliding inclinometer head sleeve includes a thrust bearing, and the inner diameter of the thrust bearing is greater than the envelope diameter of the small wheel on the head wheel seat; the thrust bearing is located between the wheel seat clamping sleeve and the rotating nut. Through the setting of the thrust bearing, the friction generated during the rotation of the rotating nut is reduced, facilitating the reduction of the force required during extraction.

[0044] Further, in an embodiment, the device for axially extracting the sliding inclinometer head sleeve includes a temperature-limited heating tube, and the temperature-limited heating tube is arranged inside the rear-end fixing unit, close to the part where the sliding inclinometer is glued. During extraction, the temperature-limited heating tube heats the sliding inclinometer. By heating the glued part with the temperature-limited heating tube, the torque required for cutting the glue is reduced, facilitating the reduction of the force required during extraction.

[0045] Further, in one embodiment, the heating range of the temperature-limiting heating tube is: 80°C to 100°C, within the safe temperature limit. ， By controlling the heating range of the temperature-limiting heating tube, while ensuring the softening of the bonded part, the internal structure of the meter is protected from damage and its stability is maintained.

[0046] Further, in one embodiment, the rear-end fixing unit includes an upper sleeve jacket, a lower sleeve jacket, a deformable soft pad, and a sleeve fixing clamp. The upper sleeve jacket and the lower sleeve jacket are wrapped around the sleeve at the rear of the sliding inclinometer probe sleeve. External threads are provided at the front and rear ends of the upper sleeve jacket and the lower sleeve jacket. An internal thread that mates with the external threads at the rear ends of the upper sleeve jacket and the lower sleeve jacket is provided inside the front section of the sleeve fixing clamp. A step for installing the deformable soft pad is provided inside the middle section of the sleeve fixing clamp. The front end face of the deformable soft pad contacts the rear end faces of the upper sleeve jacket and the lower sleeve jacket, and the rear end face of the deformable soft pad contacts the step face.

[0047] With this arrangement, by utilizing the space in the wheel group installation groove that is not occupied by the wheel group, a wheel seat fixing tooling wheel seat collar and a pin are designed, and a combined structure of the wheel seat collar and the pin is used to fix the wheel seat.

[0048] Further, in one embodiment, the inner diameter of the deformable soft pad is smaller than the outer diameter of the rear end faces of the upper sleeve jacket and the lower sleeve jacket, and the outer diameter of the deformable soft pad is larger than the outer diameter of the rear end faces of the upper sleeve jacket and the lower sleeve jacket. The sleeve has a single tubular structure without an axially load-bearing structure. By using the combined body of the upper sleeve jacket and the lower sleeve jacket to squeeze the deformable rubber pad to cause elastic deformation, and then the fixing method of fully surrounding the sliding inclinometer probe sleeve realizes the full-circumference non-destructive protection and fixing of the sleeve.

[0049] Further, in one embodiment, the deformable soft pad is made of rubber.

[0050] According to the embodiment of the second aspect, a method for axially extracting the sliding inclinometer probe sleeve is provided, including the following steps:

[0051] Fix the rear-end fixing unit on the sliding inclinometer sleeve;

[0052] Screw the rotating nut onto the external thread at the front end of the rear-end fixing unit;

[0053] Align the small wheel receiving groove formed inside the wheel seat collar with the small wheel and push it in until the pin hole of the wheel seat collar overlaps with the probe wheel group installation groove, and insert the pin;

[0054] Rotate the rotating nut until the rotating nut abuts against the wheel seat collar to complete the installation of the axial extraction device for the sliding inclinometer probe sleeve;

[0055] Rotate the rotating nut until there is an obvious relative displacement of the wheel seat bushing relative to the rear-end fixing unit, and completely pull out the wheel seat bushing from the probe sleeve.

[0056] Further, in one embodiment, a method for axially extracting a probe sleeve of a sliding inclinometer includes sleeving a thrust bearing on the rear-end fixing unit before aligning and pushing the small wheel receiving groove formed inside the wheel seat bushing with the small wheel.

[0057] Further, in one embodiment, a method for axially extracting a probe sleeve of a sliding inclinometer includes heating the sliding inclinometer with a temperature-limiting heating tube after installing the axial extraction device of the probe sleeve of the sliding inclinometer.

[0058] To further elaborate on an axial extraction device and method for a probe sleeve of a sliding inclinometer according to the present invention, the present invention will be described in detail below with reference to the accompanying drawings.

[0059] As Figure 1 shown, in a specific embodiment, an axial extraction device for a probe sleeve of a sliding inclinometer mainly consists of the following components: a wheel seat bushing (1), a pin (2), a thrust bearing (3), a rotating nut (4), a butterfly locking bolt (5), a lower sleeve clamp (6), an upper sleeve clamp (7), a sleeve fixing fixture (8), a temperature-limiting heating tube (9), and a deformable rubber pad (10).

[0060] The wheel seat bushing (1) and the pin (2) are used to fix the wheel seat on one side of the probe without damage.

[0061] The thrust bearing (3) and the rotating nut (4) are used to convert the externally applied torque into an axial thrust.

[0062] The butterfly locking bolt (5), the lower sleeve clamp (6), and the upper sleeve clamp (7) are used to initially fix the probe sleeve.

[0063] The sleeve fixing fixture (8) and the deformable rubber pad (10) are used to fixedly fasten the probe sleeve.

[0064] The temperature-limiting heating tube (9) is used to heat and soften the adhesive cured on the inner wall of the probe sleeve.

[0065] A method for axially extracting a probe sleeve of a sliding inclinometer includes the following steps:

[0066] 1. Install and fix the lower sleeve clamp (6) on the vise;

[0067] 2. Align the positioning pins of the upper sleeve clamp (7) and the lower sleeve clamp (6) with the corresponding positioning holes respectively, and slowly insert them to combine the upper clamp and the lower clamp into one body, and use 6 groups of butterfly locking bolts (5) to tightly fix the clamp assembly;

[0068] 3. Pass the sleeve fixing fixture (8) through the wheel seat on one side of the probe head, and screw it into the right screw structure of the combined body of the upper sleeve (7) and the lower sleeve (6) on the sleeve. During the screwing process, the upper and lower sleeve combined body will gradually squeeze and deform the rubber pad (10), and after the rubber pad (10) is squeezed and deformed, it will hold and fix the sleeve tightly. In one embodiment, the middle of the probe head is a sleeve, and both the left and right ends are wheel seats. The left end is called the lower wheel seat, and the right end is called the upper wheel seat. There is a "pin shaft" and a spring in the middle of the wheel set installed in the wheel set installation groove of the wheel seat, and the wheel set can be compressed to a certain extent in the trend of "pressing into the wheel set groove". When installing the sleeve fixing fixture (8), it will press the wheel set, making it tend to "press into the wheel set groove". In this state, the sleeve fixing fixture (8) can pass through and reach the position in the attached drawing;

[0069] 4. Screw the rotating nut (4) into the left screw structure of the upper and lower sleeve combined body;

[0070] 5. Then, put the thrust bearing (3) on the left screw structure of the lower sleeve combined body, align the small wheel receiving groove opened inside the wheel seat collar (1) with the small wheel and push it in until the pin hole of the wheel seat collar (1) overlaps with the probe head wheel set installation groove, and then insert the pin (2) at this time.

[0071] 6. After the device is installed, turn the rotating nut (4) counterclockwise with both hands until the rotating nut (4) pushes the thrust bearing (3) against the wheel seat collar (1) to complete the installation of the device.

[0072] 7. Supply power to the temperature-limited heating tube (9) to heat the adhesive bonding and fixing position between the sleeve and the wheel seat.

[0073] 8. After heating for 5 minutes, continue to apply force and turn the rotating nut (4) counterclockwise, and observe the relative distance between the wheel seat collar (1) and the upper and lower sleeve combined body until it is observed that there is an obvious relative displacement of the wheel seat collar (1) relative to the upper and lower sleeve combined body. At this time, it indicates that the colloid structure between the probe head sleeve and the probe head wheel seat has been sheared and damaged, and the sleeve has been released from the adhesion with the wheel seat.

[0074] 9. Stop supplying power to the temperature-limited heating tube (9). After the temperature of the heated position of the device drops to a temperature suitable for manual operation, turn the rotating nut (4). Instead, hold the wheel seat collar (1) with both hands and slowly pull the wheel seat collar (1) outwards. After completely pulling out the probe head wheel seat together with the internal components of the sleeve from the probe head sleeve, the operation of removing the probe head sleeve is completed.

[0075] The beneficial effects of the present invention compared with the prior art:

[0076] The present invention transmits power and motion by designing the engagement of a screw and a nut, converts rotational motion into linear motion, converts torque into axial thrust, and obtains mechanical gain, converting a smaller torque into a larger axial thrust, thereby realizing a method for the non-destructive axial extraction of the probe sleeve of a sliding inclinometer, solving the problems of damage to the sleeve, wheel seat, and dial gauge during after-sales maintenance and production rework of the sliding probe, achieving controllable quality during after-sales maintenance and production rework processes, increasing the appearance qualification rate and dial gauge qualification rate of the products after the process to 100%, and saving equipment costs; at the same time, solving the problems of high difficulty and low efficiency, greatly reducing the disassembly difficulty, reducing the operation from two people to a single person independently, improving the efficiency of the sleeve disassembly process, shortening the after-sales maintenance and production rework cycle, and having obvious economic benefits.

[0077] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An axial extraction device for the probe sleeve of a sliding inclinometer, characterized in that, it includes a wheel seat bushing, a pin, a rotating nut and a rear-end fixing unit. The wheel seat bushing, the rotating nut and the rear-end fixing unit are arranged in sequence along the sliding inclinometer probe sleeve backwards; a small wheel receiving groove is arranged inside the wheel seat bushing to receive the small wheels installed on the probe wheel seat. A pin hole is arranged in the direction perpendicular to the axis of symmetry of the wheel seat bushing. The pin passes through the pin hole and the probe wheel group installation groove to fix the wheel seat bushing and the probe sleeve; the internal nut of the rotating nut is in threaded cooperation with the outer thread of the front end of the rear-end fixing unit, and the rear-end fixing unit fixes the sliding inclinometer probe sleeve. Working principle: During extraction, rotate the rotating nut to make the rotating nut push the wheel seat bushing axially in the opposite direction of the disassembly of the probe sleeve. Due to the existence of the pin, the wheel seat bushing is fixed to the probe wheel seat, thereby driving the probe wheel seat to move in the opposite direction of disassembly, realizing the movement of the probe wheel seat relative to the sliding inclinometer sleeve, so as to achieve the purpose of extracting the sleeve.

2. The axial extraction device for the probe sleeve of a sliding inclinometer according to claim 1, characterized in that, the axial extraction device for the probe sleeve of the sliding inclinometer includes a thrust bearing, and the inner diameter of the thrust bearing is greater than the envelope diameter of the small wheels on the probe wheel seat; the thrust bearing is located between the wheel seat bushing and the rotating nut.

3. The axial extraction device for the probe sleeve of a sliding inclinometer according to claim 1, characterized in that, the axial extraction device for the probe sleeve of the sliding inclinometer includes a temperature-limited heating tube, and the temperature-limited heating tube is arranged inside the rear-end fixing unit, close to the part where the sliding inclinometer is glued. During extraction, the temperature-limited heating tube heats the glued part of the sliding inclinometer.

4. The axial extraction device for the probe sleeve of a sliding inclinometer according to claim 3, characterized in that, the heating range of the temperature-limited heating tube is: 80°C to 100°C.

5. The axial extraction device for the probe sleeve of a sliding inclinometer according to claim 1, characterized in that, the rear-end fixing unit includes an upper sleeve clamp, a lower sleeve clamp, a deformable soft pad and a sleeve fixing clamp. The upper sleeve clamp and the lower sleeve clamp are wrapped around the sleeve in the middle of the sliding inclinometer probe. External threads are arranged at the front and rear ends of the upper sleeve clamp and the lower sleeve clamp. Internal threads that cooperate with the external threads at the rear ends of the upper sleeve clamp and the lower sleeve clamp are arranged inside the front section of the sleeve fixing clamp. A step for installing the deformable soft pad is arranged inside the middle section of the sleeve fixing clamp. The front end face of the deformable soft pad contacts the rear end faces of the upper sleeve clamp and the lower sleeve clamp, and the rear end face of the deformable soft pad contacts the step face.

6. The axial extraction device for the probe sleeve of a sliding inclinometer according to claim 5, characterized in that, the inner diameter of the deformable soft pad is smaller than the outer diameter of the rear end faces of the upper sleeve clamp and the lower sleeve clamp, and the outer diameter of the deformable soft pad is larger than the outer diameter of the rear end faces of the upper sleeve clamp and the lower sleeve clamp.

7. A method for axially extracting the probe sleeve of a sliding inclinometer using the axially extracting device for the probe sleeve of a sliding inclinometer according to any one of claims 1 to 6, characterized in that, it includes the following steps: Fix the rear-end fixing unit on the sliding inclinometer; Screw the rotating nut onto the external thread at the front end of the rear-end fixing unit; Align the small-wheel receiving groove formed inside the wheel seat bushing with the small wheel and push it in until the pin hole of the wheel seat bushing overlaps with the installation groove of the probe wheel set, and insert the pin; Rotate the rotating nut until the rotating nut abuts against the wheel seat bushing to complete the installation of the axially extracting device for the probe sleeve of the sliding inclinometer; Rotate the rotating nut until there is an obvious relative displacement of the wheel seat bushing relative to the rear-end fixing unit, and continue to rotate the rotating nut to completely pull the wheel seat bushing away from the probe sleeve.

8. A method for positioning a storage space according to claim 7, characterized in that, the method for axially extracting the probe sleeve of the sliding inclinometer includes sleeving a thrust bearing on the rear-end fixing unit before aligning the small-wheel receiving groove formed inside the wheel seat bushing with the small wheel and pushing it in.

9. A method for positioning a storage space according to claim 7, characterized in that, the method for axially extracting the probe sleeve of the sliding inclinometer includes heating the cemented part of the sliding inclinometer sleeve with a temperature-limited heating tube after completing the installation of the axially extracting device for the probe sleeve of the sliding inclinometer.

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