CN220504982U - Probe fisher - Google Patents

Abstract

The utility model provides a probe fisher which comprises an overshot, wherein the lower end of the overshot is provided with an inclined end face which is obliquely arranged to press a guide wheel of a probe into the overshot, the inner wall of the overshot is provided with two wheel grooves which extend axially and are in rolling fit with the guide wheel, and the bottom wall of each wheel groove is embedded with an elastic limiting piece. According to the probe fisher provided by the utility model, the circumferential position of the overshot is regulated, the overshot is pressed down, the lower guide wheel of the lower position is propped against by utilizing the lower position of the inclined end surface, the guide wheel enters the wheel groove of the overshot, the overshot is continuously pressed down, the guide wheel on the other side enters the wheel groove on the other side of the overshot, the elastic limiting piece retracts to avoid when the guide wheel moves up, then the elastic limiting piece extends outwards and is limited below the guide wheel, the guide wheel is prevented from falling out from the lower end of the overshot, the probe is taken out by synchronously lifting the cable of the probe and the overshot upwards, the probe taking efficiency is improved, and the probe taking difficulty is reduced.

Description

Probe fisher

Technical Field

The utility model belongs to the technical field of probe salvage, and particularly relates to a probe salvage device.

Background

The supporting pile inclinometry and the peripheral soil body inclinometry belong to necessary measuring projects for foundation pit monitoring, and in the inclinometry monitoring data acquisition process, an inclinometer probe is required to be placed at the bottom of a pipe according to the operation flow so as to acquire data in the gradual lifting process. Because the inclinometer pipe belongs to semi-concealed engineering and is positioned in a construction operation area for a long time, the interior of the inclinometer pipe is easily damaged by construction operations such as anchor rod punching and the like to form holes. Therefore, in the process of lowering the inclinometer probe, the probe is easily clamped by the hole, and the clamped probe needs to be salvaged in time because the inclinometer probe is high in price, and the probe is not damaged in the salvaging process.

The traditional steel hook pulling method is long in time consumption and extremely easy to damage the probe, the subsequent instrument maintenance and verification cost is more, and the miswork cost is more difficult to measure. The existing salvaging device is generally complex in structure, inconvenient to carry, and damage to the probe caused by improper salvaging method and hard pulling often occurs, so that large economic loss is caused, and the engineering safety is influenced.

Disclosure of Invention

The utility model aims to provide a probe fisher which can guide a probe to smoothly enter an overshot and ensure that the probe moves upwards synchronously with the overshot by means of an elastic limiting piece, thereby improving the salvaging efficiency and reducing the salvaging difficulty.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a probe fisher, including overshot, the lower extreme of overshot has the slope setting, with the guide pulley entering overshot of pressing the probe inclined end face, be equipped with two axial extension on the inner wall of overshot, and with guide pulley rolling fit's wheel groove, inlay on the groove diapire of wheel groove and be equipped with the elasticity locating part that can follow the radial elasticity of overshot, elasticity locating part can be when the guide pulley moves up along the wheel groove and retract, and elasticity overhanging and limit in the below of guide pulley when the guide pulley moves to the top.

In one possible implementation manner, the bottom wall of the wheel groove is provided with a mounting hole extending along the radial direction of the overshot, the elastic limiting piece comprises an elastic piece arranged in the mounting hole and a wedge-shaped block connected to the outer end of the elastic piece and in sliding fit with the mounting hole, and the lower part of the wedge-shaped block is in butt fit with the guide wheel and can slide into the mounting hole under the butt pressing action of the guide wheel.

In one possible implementation, the wedge block is provided with a pressing surface extending obliquely from bottom to top to the axial center side of the overshot and a bearing surface perpendicular to the axial direction of the overshot, wherein the pressing surface is used for being in butt fit with the guide wheel so as to enable the elastic piece and the wedge block to retract into the mounting hole, and the bearing surface can be located below the guide wheel when the elastic piece pushes the wedge block outwards.

In some embodiments, the inner wall of the overshot is further provided with a guide groove which is positioned at the lower end of the wheel groove and is communicated with the wheel groove, and the width of the guide groove gradually increases from top to bottom.

In one possible implementation, the elastic limiting members are provided with a plurality of groups at intervals in the axial direction of the overshot, and each group of elastic limiting members comprises two elastic limiting members which are arranged in the two wheel grooves in a one-to-one correspondence manner.

In one possible implementation, the lower end of the overshot is further provided with a flat end surface perpendicular to the axis of the overshot, the flat end surface being connected below the inclined end surface, the flat end surface being adapted to be pressed against the circumferential wall of the guide wheel to retract the guide wheel into the overshot.

In one possible implementation, the overshot is a PVC material member with an inner diameter twice the probe diameter.

In one possible implementation, a weight canister is connected to the upper end of the overshot, the outer diameter of the overshot being smaller than the outer diameter of the weight canister.

In some embodiments, the weight cylinder is in threaded connection with the upper end of the overshot, the weight cylinder is internally provided with a weight increasing table protruding towards the axis side, and the lower end face of the weight increasing table is in contact fit with the upper end face of the overshot.

In some embodiments, the upper end of the counterweight cylinder is detachably connected with a sealing cover, a guide hole for a cable to pass through is arranged on the sealing cover, and arc-shaped transition parts are respectively arranged at the upper end and the lower end of the guide hole.

Compared with the prior art, the scheme that this application embodiment shows, the probe latch jack that this application provided, the overshot lower extreme is provided with oblique terminal surface, through adjusting the circumference position of overshot and pushing down the overshot, utilize the lower part position of oblique terminal surface to support the guide pulley of pressing lower position, make this guide pulley get into the wheel inslot of overshot, continue to push down the overshot, the guide pulley of opposite side gets into the opposite side wheel inslot of overshot, when the guide pulley moves up, the elastic limiting piece receives the thrust effect of guide pulley to retract in order to dodge the guide pulley, the guide pulley is after the guide pulley passes, the elastic limiting piece is overhanging and is limited in the guide pulley below, avoid the guide pulley to deviate from the overshot lower extreme, the overshot moves down after a certain distance, the whole entering overshot of probe, through the cable and the overshot that upwards synchronous pull the probe, the extraction efficiency of probe has been improved, the difficulty of getting of probe has been reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural diagram of a use state of a probe latch jack according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure of I in FIG. 1 according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a cross-sectional left-hand view of the probe latch of FIG. 1 in accordance with an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a right side cross-sectional view of the probe latch of FIG. 1 in accordance with an embodiment of the present utility model.

Wherein, each reference sign in the figure:

1. overshot; 11. an inclined end face; 12. wheel grooves; 13. a mounting hole; 14. a flat end surface; 15. a guide groove; 2. an elastic limiting piece; 21. an elastic member; 22. wedge blocks; 23. a pressing surface; 24. a bearing surface; 3. a weight cylinder; 31. a weighting table; 4. a cover; 41. a guide hole; 42. an arc-shaped transition portion; 5. a probe; 51. a cable; 6. and a guide wheel.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present utility model. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 4, a probe latch jack according to the present utility model will now be described. The probe fisher comprises an overshot 1, wherein the lower end of the overshot 1 is provided with an inclined end face 11 which is obliquely arranged to press a guide wheel 6 of a probe 5 to enter the overshot 1, the inner wall of the overshot 1 is provided with two wheel grooves 12 which extend axially and are in rolling fit with the guide wheel 6, the bottom wall of each wheel groove 12 is embedded with an elastic limiting piece 2 which can elastically stretch along the radial direction of the overshot 1, and the elastic limiting pieces 2 can elastically retract when the guide wheel 6 moves upwards along the wheel grooves 12, elastically extend outwards when the guide wheel 6 moves upwards and are limited below the guide wheel 6.

Compared with the prior art, the probe fisher provided by the embodiment has the advantages that the inclined end face 11 is arranged at the lower end of the overshot 1, the circumferential position of the overshot 1 is adjusted, the overshot 1 is pressed down, the lower guide wheel 6 is pressed against the lower guide wheel 6 by the lower position of the inclined end face 11, the guide wheel 6 enters the wheel groove 12 of the overshot 1, the overshot 1 is continuously pressed down, the guide wheel 6 at the other side enters the wheel groove 12 at the other side of the overshot 1, when the guide wheel 6 moves up, the elastic limiting piece 2 is retracted under the action of the pushing force of the guide wheel 6 to avoid the guide wheel 6, after the guide wheel 6 passes, the elastic limiting piece 2 extends outwards and is limited below the guide wheel 6, the guide wheel 6 is prevented from falling out from the lower end of the overshot 1, after the overshot 1 moves down by a certain distance, the probe 5 completely enters the overshot 1, the cable 51 of the probe 5 and the overshot 1 are synchronously lifted up, the probe 5 is taken out, the difficulty of the probe 5 is improved, and the probe 5 is lowered.

In this embodiment, a connecting rod is rotatably connected to the probe 5, and guide wheels 6 are respectively connected to both ends of the connecting rod. The circumferential position of the overshot 1 is adjusted so that the lower part of the inclined end surface 11 is effectively abutted against the lower guide wheel 6, and by pressing the overshot 1 down, the guide wheel 6 is abutted against the inclined end surface 11, so that the guide wheel 6 vertically swings to be folded in the overshot 1 and axially rolls in the wheel groove 12.

It should be noted that, the inclination angle of the inclined end face 11 should meet a certain requirement, so that the lower part of the inclined end face 11 is ensured to be contacted with the guide wheel 6 with a lower position, then the guide wheel 6 with a higher position is contacted with the upper position of the inclined end face 11, and the effect that the guide wheels 6 enter the overshot 1 one by one is realized.

In a possible implementation manner, referring to fig. 1 and 2, a mounting hole 13 extending along the radial direction of the overshot 1 is provided on the bottom wall of the wheel groove 12, the elastic limiting member 2 includes an elastic member 21 provided in the mounting hole 13, and a wedge block 22 connected to the outer end of the elastic member 21 and slidably matched with the mounting hole 13, and the lower portion of the wedge block 22 is in abutting fit with the guide wheel 6, so that the wedge block 22 can slide into the mounting hole 13 under the abutting action of the guide wheel 6.

In this embodiment, the mounting hole 13 is provided on the bottom wall of the wheel groove 12 for embedding the elastic limiting member 2, and the wedge block 22 moves toward the axial center side of the overshot 1 to protrude from the mounting hole 13 under the action of the elastic member 21. After the guide pulley 6 gets into the wheel groove 12, continue to push down the overshot 1, the guide pulley 6 moves up and supports and presses wedge 22 relative to the overshot 1, make the elastic component 21 receive the compression and retract, simultaneously wedge 22 is retracted to the mounting hole 13 in, realize dodging to the guide pulley 6, guide pulley 6 continues to move upwards to elastic limiting part 2 top, wedge 22 overhanging protrusion is in order to limit in the below of guide pulley 6 under the ejector of elastic component 21, make guide pulley 6 only move upwards along the overshot 1, avoid the probe 5 to shift out the condition that the overshot 1 is deviate from now down, guarantee that follow-up probe 5 can take out from the top smoothly, the success rate of probe 5 extraction has been improved.

The lower part of the wedge block 22 is in butt fit with the guide wheel 6, the wedge block 22 is stressed to slide into the mounting hole 13, so that avoidance of movement of the guide wheel 6 is formed, the guide wheel 6 can move upwards smoothly relative to the overshot 1, after the guide wheel 6 moves to the upper part of the elastic limiting piece 2, the wedge block 22 extends outwards to effectively limit the probe 5, and the problem that the probe 5 falls off in the salvaging process is avoided.

In a possible implementation, referring to fig. 1 and 2, the wedge 22 has a pressing surface 23 extending obliquely from bottom to top toward the axial side of the overshot 1, and a supporting surface 24 disposed perpendicular to the axial direction of the overshot 1, where the pressing surface 23 is configured to be in abutting engagement with the guide wheel 6 to retract the elastic member 21 and the wedge 22 into the mounting hole 13, and the supporting surface 24 is capable of being located under the guide wheel 6 when the elastic member 21 pushes the wedge 22 outward.

In this embodiment, the pressing surface 23 of the wedge 22 is an inclined plane. When the overshot 1 is pressed down and the guide wheel 6 moves up relative to the overshot 1, the pressing surface 23 gradually receives the pushing force of the guide wheel 6, and the elastic piece 21 is extruded to shrink and enter the mounting hole 13, so that the guide wheel 6 is avoided. After the guide wheel 6 moves upwards, the wedge block 22 extends outwards, and the guide wheel 6 can be supported by the supporting surface 24 at the moment, so that the guide wheel 6 is prevented from moving downwards to be separated from the overshot 1.

The synchronous taking out of the probe 5 and the overshot 1 can be realized by pulling the cable 51 of the probe 5 and synchronously lifting the overshot 1, so that the probe 5 is effectively prevented from falling out of the lower end of the overshot 1, and the effective taking of the probe 5 is ensured.

In some embodiments, referring to fig. 3 and 4, a guiding groove 15 is further provided on the inner wall of the overshot 1, which is located at the lower end of the wheel groove 12 and is in communication with the wheel groove 12, and the width of the guiding groove 15 gradually increases from top to bottom. The guide groove 15 has a structure with a large lower opening and a small upper opening, and the upper opening of the guide groove 15 is consistent with the width of the wheel groove 12, so that the guide wheel 6 can be effectively guided, and the guide wheel 6 can smoothly enter the wheel groove 12.

In one possible implementation, referring to fig. 3 and 4, the elastic limiting members 2 are arranged in a plurality of groups at intervals in the axial direction of the overshot 1, and each group of elastic limiting members 2 includes two elastic limiting members 2 arranged in two wheel grooves 12 in a one-to-one correspondence.

The elastic limiting piece 2 is provided with a plurality of groups, so that the probe 5 can be limited at different axial heights, and the probe 5 is prevented from falling out of the lower end of the overshot 1 in the lifting process. Each group of elastic limiting parts 2 comprises two elastic limiting parts 2 in two wheel grooves 12 at one-to-one corresponding positions, and two guide wheels 6 positioned at two sides of the probe 5 can be limited through the elastic limiting parts 2 respectively.

In a possible implementation, referring to fig. 4, the lower end of the overshot 1 is further provided with a flat end surface 14 perpendicular to the axis of the overshot 1, the flat end surface 14 is connected below the inclined end surface 11, and the flat end surface 14 is used for pressing against the circumferential wall of the guide wheel 6 to fold the guide wheel 6 into the overshot 1.

In this embodiment, the lower end of the overshot 1 is further provided with a flat end surface 14, the flat end surface 14 is perpendicular to the axis of the overshot 1, the flat end surface 14 can be obtained by horizontally cutting the lower end of the overshot 1, the flat end surface 14 is convenient for increasing the contact area with the circumferential wall of the guide wheel 6, the pushing action on the guide wheel 6 is improved, and the guide wheel 6 can vertically rotate for a certain angle to be folded in the overshot 1.

In one possible implementation, the overshot 1 is a PVC material member, the inner diameter of the overshot 1 being twice the diameter of the probe 5. The PVC material member has good corrosion resistance and higher strength, the inner diameter of the guide cylinder is twice the diameter of the probe 5, sufficient space is provided for the folding of the guide wheel 6, and the effective taking out of the probe 5 is ensured.

In one possible implementation, referring to fig. 1, a weight drum 3 is connected to the upper end of the overshot 1, and the outer diameter of the overshot 1 is smaller than the outer diameter of the weight drum 3. The balance weight barrel 3 is in threaded connection with the upper end of the overshot 1, so that the overall weight of the overshot 1 can be increased, the self weight of the overshot 1 can be conveniently increased, and the overshot 1 can be conveniently pushed down to realize the downward movement of the overshot 1. The counterweight cylinder 3 is made of metal materials, and the outer diameter of the counterweight cylinder 3 is larger, so that the counterweight effect can be enhanced.

The probe 5 is lifted by pulling the cable 51 on the probe 5, the overshot 1 is lifted at the same time, the counterweight barrel 3 is disassembled after the cable 51 and the overshot 1 are synchronously taken out, and the cable 51 is taken out from the middle position of the counterweight barrel 3 and the overshot 1, so that the operation is convenient and quick.

In some embodiments, referring to fig. 3 and 4, the weight barrel 3 is screwed to the upper end of the overshot 1, the weight barrel 3 has a weight increasing table 31 protruding toward the axial center, the lower end surface of the weight increasing table 31 is in contact fit with the upper end surface of the overshot 1, the weight increasing table 31 of the weight barrel 3 can enhance the gravity effect, and meanwhile, the lower end surface of the weight increasing table 31 is in contact fit with the upper end surface of the overshot 1, so that effective limitation of the relative positions of the weight increasing table and the overshot 1 is realized.

In some embodiments, referring to fig. 3 and 4, the upper end of the counterweight cylinder 3 is detachably connected with a cover 4, guide holes 41 through which the cables 51 pass are provided on the cover 4, arc-shaped transition portions 42 are provided at the upper and lower ends of the guide holes 41, the guide holes 41 on the cover 4 allow the cables 51 of the probe 5 to pass through, and the arc-shaped transition portions 42 at the two ends of the guide holes 41 can avoid abrasion to the peripheral walls of the cables 51 in the lifting process of the cables 51, thereby being beneficial to prolonging the service life of the cables 51.

The using method comprises the following steps:

the upper end of a cable 51 of a lower probe 5 is disassembled from equipment, the upper end of the cable 51 is penetrated into guide holes 41 of the overshot 1, the counterweight barrel 3 and the sealing cover 4 from bottom to top, the circumferential position of the overshot 1 is regulated, the overshot 1 is pressed down, the lower guide wheel 6 is pressed against the lower guide wheel 6 by the lower position of the inclined end face 11, the guide wheel 6 enters into a wheel groove 12 of the overshot 1, the overshot 1 is continuously pressed down, the guide wheel 6 on the other side enters into the wheel groove 12 on the other side of the overshot 1, the guide wheel 6 moves from bottom to top relative to the overshot 1, the elastic limiting piece 2 is retracted under the jacking force of the guide wheel 6 to avoid the guide wheel 6, after the guide wheel 6 passes, the elastic limiting piece 2 extends outwards and is limited below the guide wheel 6, the guide wheel 6 is prevented from falling out from the lower end of the overshot 1, the probe 5 completely enters into the overshot 1 after a certain distance, and the cable 51 of the probe 5 and the overshot 1 are synchronously lifted up through the upper side, and the probe 5 is taken out.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The probe fisher is characterized by comprising an overshot, wherein the lower end of the overshot is provided with an inclined end face which is obliquely arranged to press a guide wheel of a probe to enter the overshot, the inner wall of the overshot is provided with two wheel grooves which extend axially and are in rolling fit with the guide wheel, the bottom wall of each wheel groove is embedded with an elastic limiting piece which can elastically stretch along the radial direction of the overshot, and the elastic limiting piece can elastically retract when the guide wheel moves upwards along the wheel grooves, elastically extend outwards when the guide wheel moves upwards and is limited below the guide wheel.

2. The probe latch jack of claim 1, wherein the bottom wall of the wheel groove is provided with a mounting hole extending along the radial direction of the overshot, the elastic limiting member comprises an elastic member arranged in the mounting hole and a wedge block connected to the outer end of the elastic member and in sliding fit with the mounting hole, and the lower part of the wedge block is in abutting fit with the guide wheel and can enable the wedge block to slide into the mounting hole under the abutting action of the guide wheel.

3. The probe latch of claim 2, wherein the wedge has a pressing surface extending obliquely from bottom to top toward the axial side of the overshot and a bearing surface disposed perpendicular to the axial direction of the overshot, the pressing surface being adapted to be in abutting engagement with the guide wheel to retract the resilient member and the wedge into the mounting hole, the bearing surface being adapted to be positioned below the guide wheel when the resilient member urges the wedge outwardly.

4. The probe latch according to claim 2, wherein the inner wall of said overshot is further provided with a guide groove at the lower end of said wheel groove and communicating with said wheel groove, and the width of said guide groove is gradually increased from top to bottom.

5. The probe latch according to claim 2, wherein said resilient restraining members are provided with a plurality of sets spaced apart in an axial direction of said overshot, each set of said resilient restraining members including two resilient restraining members disposed in one-to-one correspondence with two of said wheel wells.

6. The probe latch of any of claims 1-5, wherein the lower end of the overshot is further provided with a planar end surface disposed perpendicular to the axis of the overshot, the planar end surface being connected below the sloped end surface for pressing against the peripheral wall of the guide wheel to retract the guide wheel into the overshot.

7. The probe latch of any of claims 1-5, wherein said overshot is a PVC member, said overshot having an inner diameter twice the diameter of said probe.

8. The probe latch of any of claims 1-5, wherein a weight barrel is connected to an upper end of the overshot, an outer diameter of the overshot being smaller than an outer diameter of the weight barrel.

9. The probe latch of claim 8, wherein the weight barrel is threadably coupled to the upper end of the overshot, and wherein the weight barrel has a weight increasing stage therein protruding toward the axial center side, and wherein a lower end surface of the weight increasing stage is in contact engagement with an upper end surface of the overshot.

10. The probe latch of claim 9 wherein the upper end of the weight barrel is removably connected with a cover having a guide hole through which the cable passes, the guide hole having arcuate transition portions at its upper and lower ends, respectively.