CN111271573A - Portable levelling rod stabilizing frame - Google Patents

Portable levelling rod stabilizing frame Download PDF

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Publication number
CN111271573A
CN111271573A CN202010191130.3A CN202010191130A CN111271573A CN 111271573 A CN111271573 A CN 111271573A CN 202010191130 A CN202010191130 A CN 202010191130A CN 111271573 A CN111271573 A CN 111271573A
Authority
CN
China
Prior art keywords
rod
protective sleeve
leveling
stabilizer
foot rest
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010191130.3A
Other languages
Chinese (zh)
Inventor
谢建斌
黎忠
刘道炎
高阳
刘克文
王咸东
刘肖
贾荣谷
刘思楠
张景昱
王勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunming Junlong Geotechnical Engineering Co ltd
Yunnan Construction First Prospecting Design Co ltd
Yunnan University YNU
China Railway Tunnel Group Erchu Co Ltd
Original Assignee
Kunming Junlong Geotechnical Engineering Co ltd
Yunnan Construction First Prospecting Design Co ltd
Yunnan University YNU
China Railway Tunnel Group Erchu Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kunming Junlong Geotechnical Engineering Co ltd, Yunnan Construction First Prospecting Design Co ltd, Yunnan University YNU, China Railway Tunnel Group Erchu Co Ltd filed Critical Kunming Junlong Geotechnical Engineering Co ltd
Priority to CN202010191130.3A priority Critical patent/CN111271573A/en
Publication of CN111271573A publication Critical patent/CN111271573A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/24Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

The invention discloses a portable leveling rod stabilizing frame, which comprises: the foot rest comprises a foot rest pad, a foot rest supporting structure and a protective sleeve; the ruler pad is a leveling rod base during measurement and is a protective sleeve bottom cover after being folded; the foot rest supporting structure transmits force to the ground and keeps the whole structure stable; and the protection sleeve is used for protecting the folded main body structure and transmitting the stress of one end of the leveling rod to the foot stand supporting structure. The portable leveling rod stabilizing frame is simple in overall structure, small in size after being folded, convenient to disassemble and assemble, capable of effectively improving the stability of the leveling rod, reducing human errors, improving the accuracy of leveling observation and beneficial for measuring personnel to move stations.

Description

Portable levelling rod stabilizing frame
Technical Field
The invention relates to the technical field of surveying and mapping tools, in particular to a portable leveling rod stabilizing frame.
Background
The leveling rod is an instrument for measuring the height difference between two points on the ground according to the leveling principle, is also one of indispensable tools in surveying and mapping work, and often penetrates through the whole building engineering.
At present, when the elevation is measured in domestic engineering practice, a measurer needs to carry several independent parts such as a leveling rod, a ruler pad, a level and the like and needs to be manually supported, and people feel fatigue due to long-time manual holding, so that the leveling rod shakes and the degree is unstable, and a large measurement error is possibly generated; the measuring method of the manual centering rod has the advantages of high labor intensity and low measuring efficiency, and meanwhile, after observation is completed, the leveling rod is inconvenient to detach and carry when moving to a station, and the time and the energy of workers are wasted. Therefore, a leveling rod stabilizing frame convenient to disassemble, assemble and carry is designed to be solved urgently.
Disclosure of Invention
To this end, the present invention provides a portable levelling rod stabilising frame which solves or at least mitigates the above-identified problems.
According to one aspect of the present invention there is provided a stabiliser adapted to secure a levelling rod, comprising: the top end of the cylinder body is provided with a connecting bracket which is suitable for accommodating a foot rest supporting structure and transmitting stress; the ruler pad is arranged on the protective sleeve, is suitable for fixing the leveling rod and is used as a bottom cover of the protective sleeve; the foot rest supporting structure comprises a middle rod, is fixedly connected with the protective sleeve through the middle rod, is suitable for being contained in the protective sleeve and fixedly connected with the ruler pad when in a folded state, and is suitable for supporting the ruler pad and the leveling rod when in an unfolded state.
Optionally, in the portable leveling rod stabilizer according to the present invention, the foot stand support structure further comprises: the connecting device is annularly arranged on the middle rod and is suitable for sliding along the middle rod; the second clamping device is positioned at the lower part of the middle rod and is suitable for fixing the connecting device when the foot rest supporting structure is in an unfolded state; one end of the telescopic supporting leg is connected with the connecting device, and the other end of the telescopic supporting leg is provided with a rotating shaft and is suitable for rotating to the locking ruler pad around the rotating shaft.
Optionally, in the portable leveling rod stabilizer according to the present invention, the rod pad comprises a spacer, a top surface of the spacer is provided with a spherical hinge adapted to be connected with the leveling rod, and a plurality of holes are formed on the periphery of the spherical hinge; the supporting legs are suitable for penetrating through the holes and locking the ruler pad.
Optionally, in the portable leveling rod stabilizing frame according to the invention, the top surface of the spacer is provided with a protrusion matched with the inner wall of the protective sleeve, and the spacer is suitable for being fixedly connected with the protective sleeve through the protrusion; the bottom surface of the gasket is provided with a support leg.
Optionally, in the portable leveling rod stabilizer according to the present invention, a button is provided on the protective sleeve; one end of the middle rod penetrates through the protective sleeve and is fixedly connected with the top surface of the protective sleeve, and the upper portion of the middle rod is provided with a movable protrusion matched with the button, so that the folding-state foot rest supporting structure can be unlocked through the matching of the movable protrusion and the button.
Optionally, in the portable leveling rod stabilizing frame according to the present invention, the center rod is a hollow structure, and a spring structure corresponding to the movable protrusion is provided inside the center rod.
Optionally, in a portable leveling rod stabilizer according to the present invention, the protective sleeve comprises: a barrel body; the connecting support is mounted at the top end of the barrel body, a first clamping device is arranged at the end part of the connecting support and comprises two fixed side plates and a movable middle plate, the fixed side plates are provided with through holes, the movable main plate is provided with a sleeve which is right opposite to the through holes, a threaded rod is arranged in the sleeve and penetrates through the through holes, and inner threads matched with the threaded rod are arranged on the inner wall of the sleeve; the fixture comprises a fixture, wherein a movable middle plate is arranged at the end part of the fixture and fixedly connected with a threaded rod of the connecting support.
Optionally, in the portable leveling rod stabilizer according to the present invention, the supporting legs include: the first rod piece is connected with the connecting device; and the second rod piece is slidably arranged in the first rod piece and is coaxial with the first rod piece.
Optionally, in a portable leveling rod stabilizer according to the present invention, the center pole includes: and the fourth rod piece is slidably arranged in the third rod piece and is coaxial with the third rod piece.
Optionally, in the portable leveling rod stabilizing frame according to the present invention, the lower ends of the supporting legs and the middle rod are further hinged with a connecting rod.
Optionally, in the portable leveling rod stabilizing frame according to the present invention, the number of the supporting legs is three, and the three supporting legs are uniformly installed on the connecting device.
Alternatively, in a portable leveling rod stabilizer according to the present invention, wherein: a first threaded hole is formed in the connecting bracket; the end part of the clamp is provided with a second threaded hole; the first threaded hole is fixedly connected with the second threaded hole through the threaded rod.
According to the technical scheme, the portable leveling rod stabilizing frame is provided, the stability of the leveling rod can be effectively improved, personal errors are reduced, the leveling observation precision is improved, and station moving of measuring personnel is facilitated. Specifically, the force is kept in stress connection with the leveling rod in the clamp through the upper connecting support by arranging the protective sleeve, and the force is transmitted to the ground through the foot rest supporting structure through the middle rod. Therefore, the leveling rod avoids the artificial shaking of the leveling rod, prevents the problem of unstable degrees caused by artificial measurement fatigue, and can finish leveling work by a single person. The portable leveling rod stabilizing frame is simple in overall structure, small in size after being folded and convenient to disassemble and assemble. The portable leveling rod stabilizing frame can reduce the labor intensity of measuring personnel and improve the measuring efficiency, and meanwhile, the small-size design is favorable for moving a station and disassembling and carrying after observation is finished, the time and energy of the working personnel are saved, and the practical leveling process is favorably guided and optimized.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
To the accomplishment of the foregoing and related ends, certain illustrative aspects are described herein in connection with the following description and the annexed drawings, which are indicative of various ways in which the principles disclosed herein may be practiced, and all aspects and equivalents thereof are intended to be within the scope of the claimed subject matter. The above and other objects, features and advantages of the present disclosure will become more apparent from the following detailed description read in conjunction with the accompanying drawings. Throughout this disclosure, like reference numerals generally refer to like parts or elements.
FIG. 1 illustrates a schematic structural view of a portable leveling rod stabilizer 400 (deployed) according to one embodiment of the present invention;
FIG. 2 illustrates a schematic structural view of a portable leveling rod stabilizer 400 (collapsed) according to one embodiment of the present invention;
FIG. 3 shows a schematic top view of the blade 100 according to one embodiment of the invention;
FIG. 4 shows a side view of the blade 100 according to an embodiment of the invention;
FIG. 5 illustrates a front schematic view of a foot rest support structure 300 according to an embodiment of the present invention;
fig. 6 shows a schematic front view of a protective sleeve 200 according to an embodiment of the invention.
FIG. 7 is a side view of a retractable support foot 330 according to one embodiment of the present invention;
FIG. 8 shows a side view of a telescoping support foot 339 in accordance with an embodiment of the present invention;
FIG. 9 shows a schematic top view of the blade 100 according to one embodiment of the invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As previously mentioned, the prior art stabilizers for leveling have some functional deficiencies in use, and thus the present invention provides a portable leveling rod stabilizer 400 with more optimal performance. Fig. 1 and 2 show a schematic structure of a portable leveling rod stabilizer 400 according to the present invention, and fig. 3 and 4 respectively show a schematic structure of a ruler pad 100 according to an embodiment of the present invention.
As shown in fig. 1 and 2, a portable leveling rod stabilizer 400 includes a foot pad 100, a protective sleeve 200, and a foot stand support structure 300. The ruler pad 100 is detachably connected with the protective sleeve 200 and the foot stool supporting structure 300 respectively. In the measuring state shown in fig. 1, the ruler pad 100 can be used as a base of a leveling ruler for fixing the leveling ruler. In the folded state shown in fig. 2, the blade pad 100 is fixedly connected to the protective sleeve 200 and the foot stool support structure 300, respectively, and serves as a bottom cover of the protective sleeve.
As shown in fig. 3 and 4, the blade 100 includes three evenly distributed support legs 110, a pad 120 and a spherical hinge head 150, wherein the support legs 110 are arranged on the bottom surface of the pad 120; the gasket 120 is provided with a plurality of holes 130 on the periphery of the spherical hinge head 150, so that the supporting feet 330 can pass through the holes 130 to lock the ruler pad 100, and the top surface of the gasket 120 is provided with an annular bulge 140 matched with the inner wall of the protective sleeve 200 in size, so that the ruler pad is prevented from horizontally shaking after being locked; the ball joint 150 is provided on the top surface of the spacer 120, and is hinged to the leveling rod by the ball joint 150, thereby fixedly mounting the leveling rod on the pad 100.
As shown in fig. 1, 2 and 6, the protection sleeve 200 includes a barrel 240, a connecting bracket 210 at the top end of the barrel 240, and a clamp 250. The end of the connecting bracket 210 is provided with a first clamping device 220; the clamping device 220 comprises two fixed side plates 221 and a movable middle plate 222, the fixed side plates 221 are provided with through holes, the movable middle plate 222 is provided with a sleeve 223 opposite to the through holes, a threaded rod 224 penetrating through the through holes is arranged in the sleeve 223, and the inner wall of the sleeve 223 is provided with an internal thread matched with the threaded rod 224; a button 241 is arranged in the middle of the barrel body 240, and the button 241 can be connected with a protrusion 311 on the middle rod of the supporting foot stand so as to unlock the folded foot stand supporting structure 300; the end of the clamp 250 is provided with a movable middle plate 222, and the movable middle plate 222 is fixedly connected with the connecting bracket 210 through a threaded rod 224.
As shown in fig. 1, the protective sleeve 200 is fixedly connected to the foot stool support structure 300 through a center pole 310.
Further, as shown in fig. 1 and 5, the stand support structure 300 includes a middle bar 310, a second clamping device 312, a ring-shaped connecting device 320, and a support foot 330. The end part of the middle rod 310 is fixedly connected with the inner top surface of the protective sleeve 200, and the upper part of the middle rod is provided with a movable bulge 311 corresponding to the upper button of the protective sleeve; a second catch 312 is located at the lower part of the mid-bar, the second catch 312 being able to secure the connection means 320 when the footrest support structure 300 is fully open in the extended position; the annular connecting device 320 is arranged around the periphery of the middle rod 310 and can slide up and down along the middle rod 310, and the tail end of the connecting device 320 is hinged with the supporting leg 330; the supporting leg 330 is a telescopic structure, one end of the telescopic supporting leg 330 is hinged with the connecting device 320, the other end is a ground supporting end, the end part is provided with a rotating shaft 331, and the bottom end of the supporting leg 330 can rotate around the shaft and is used for locking the ruler pad 100; the supporting legs 330 are fixedly connected to the connecting device 320 to form a stable structure.
According to one embodiment, the bottom end of the foot 330 of the present invention pivots the locking blade 100, but the present invention is not limited thereto.
Specifically, as shown in fig. 8, the bottom end of the support leg 339 has a hook like structure 339, and the foot stool support structure 300 cooperates with the blade 199 having the cross bar 132 and the center bar protrusion 311 shown in fig. 9, so as to achieve the same locking process of the blade 199.
According to one embodiment, the retractable support foot 330 comprises: a first rod 332 connected to the connecting device 320 and a second rod 333 embedded inside the first rod 332; the first rod 332 and the second rod 333 are coaxially arranged, and the second rod 333 is in sliding fit along the first rod 332; a fixing bolt 334 is disposed on the first rod 332 and is in threaded engagement with the first rod, and one end of the fixing bolt 334 abuts against the second rod 333.
According to one embodiment, the middle rod 310 includes a third rod 312 connected to the inside of the protection sleeve 200 and a fourth rod 313 embedded inside the third rod 312; the third rod 312 and the fourth rod 313 are coaxially arranged, and the fourth rod 313 is in sliding fit along the third rod 312; a fixing bolt 314 is disposed on the third rod 312 in a penetrating manner, and one end of the fixing bolt abuts against the fourth rod 313.
Furthermore, the upper part of the middle rod 310 is provided with a movable protrusion 311 corresponding to the upper button 241 of the protective sleeve, and the periphery of the middle rod 310 is provided with a spring structure 316; the lower part of the middle rod 310 is provided with a clamping device 317 and a spring structure 318 which correspond to the connecting device 320; the middle rod is hollow, and a spring structure 315 corresponding to the movable protrusion 311 is arranged in the middle rod; the middle rod 310 has an annular connecting device 320 at the outer side, and the end of the connecting device 320 is hinged with the supporting foot 330.
Retractable support foot 330 further comprises: a plurality of connecting rods 338 are respectively hinged to the lower sides of the supporting legs 330 and the lower end of the middle rod 310, so that the stand supporting structure 300 is automatically unfolded after being unlocked, and the supporting legs 330 are prevented from being opened too much.
Preferably, three retractable support legs 330 are provided, and are uniformly distributed on the connecting device 320, so as to form a stable structure.
During the use, press the outer button 241 of protective sheath section of thick bamboo, whole levelling rod steady rest 400 unblock twists reverse supporting legs 330 bottom, take off chi pad 100 back supporting legs 330 and expand promptly, lock connecting device 320 behind well pole 310, put into the levelling rod and adjust the length of well pole 310 and supporting legs 330 as required, after the regulation finishes, no longer need hold the levelling rod, guaranteed the stability of levelling rod moreover, at last only need wait for the measurement can.
A11 stabilizer bar according to any one of A2-A4 wherein said support feet are provided in three numbers, and wherein said three support feet are uniformly mounted on said connecting means.
A12, the portable leveling rod stabilizing frame as in a7, wherein the connecting bracket is provided with a first threaded hole; the end part of the clamp is provided with a second threaded hole; the first threaded hole is fixedly connected with the second threaded hole through the threaded rod.
In the description of the present specification, the terms "connected", "fixed", and the like are to be construed broadly unless otherwise explicitly specified or limited. Furthermore, the terms "upper", "lower", "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Claims (10)

1. A stabilizer adapted to secure a leveling rod, comprising:
a protective sleeve;
the ruler pad is arranged on the protective sleeve and is suitable for fixing the leveling rod;
the foot rest supporting structure comprises a middle rod, is fixedly connected with the protective sleeve through the middle rod, is suitable for being contained in the protective sleeve and fixedly connected with the ruler pad when in a folded state, and is suitable for supporting the ruler pad and the leveling rod when in an unfolded state.
2. The stabilizer of claim 1, wherein said foot rest support structure further comprises:
the connecting device is annularly arranged on the middle rod and is suitable for sliding along the middle rod;
the second clamping device is positioned at the lower part of the middle rod and is suitable for fixing the connecting device when the foot rest supporting structure is in an unfolded state;
one end of the telescopic supporting leg is connected with the connecting device, and the other end of the telescopic supporting leg is provided with a rotating shaft and is suitable for rotating to the locking ruler pad around the rotating shaft.
3. A stabilizer frame as defined in claim 2, wherein:
the ruler pad comprises a gasket, a spherical hinge head suitable for being connected with the leveling rod is arranged on the top surface of the gasket, and a plurality of holes are formed in the periphery of the spherical hinge head;
the supporting legs are suitable for penetrating through the holes and locking the ruler pad.
4. A stabilizer frame as defined in claim 3, wherein:
the top surface of the gasket is provided with a bulge matched with the inner wall of the protective sleeve and is suitable for being fixedly connected with the protective sleeve through the bulge;
the bottom surface of the gasket is provided with a support leg.
5. A stabilizer according to any one of claims 1-4 wherein:
a button is arranged on the protective sleeve;
one end of the middle rod penetrates through the protective sleeve and is fixedly connected with the top surface of the protective sleeve, and the upper portion of the middle rod is provided with a movable protrusion matched with the button, so that the folding-state foot rest supporting structure can be unlocked through the matching of the movable protrusion and the button.
6. The stabilizer of claim 5 wherein:
the middle rod is of a hollow structure, and a spring structure corresponding to the movable protrusion is arranged inside the middle rod.
7. A stabiliser according to any of claims 1-6, wherein the protective sleeve comprises:
a barrel body;
the connecting support is mounted at the top end of the barrel body, a first clamping device is arranged at the end part of the connecting support and comprises two fixed side plates and a movable middle plate, the fixed side plates are provided with through holes, the movable main plate is provided with a sleeve which is right opposite to the through holes, a threaded rod is arranged in the sleeve and penetrates through the through holes, and inner threads matched with the threaded rod are arranged on the inner wall of the sleeve;
the fixture comprises a fixture, wherein a movable middle plate is arranged at the end part of the fixture and fixedly connected with a threaded rod of the connecting support.
8. A stabilizer frame according to any one of claims 2-4 wherein said support feet comprise:
the first rod piece is connected with the connecting device;
and the second rod piece is slidably arranged in the first rod piece and is coaxial with the first rod piece.
9. A portable level bar stabilizer according to any one of claims 1-8 wherein said center bar comprises:
a third rod connected in the protective sleeve,
and the fourth rod piece is slidably arranged in the third rod piece and is coaxial with the third rod piece.
10. A stabilising frame according to any one of claims 2 to 4 wherein the lower ends of the support feet and the central bar are further articulated with a connecting bar.
CN202010191130.3A 2020-03-18 2020-03-18 Portable levelling rod stabilizing frame Pending CN111271573A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010191130.3A CN111271573A (en) 2020-03-18 2020-03-18 Portable levelling rod stabilizing frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010191130.3A CN111271573A (en) 2020-03-18 2020-03-18 Portable levelling rod stabilizing frame

Publications (1)

Publication Number Publication Date
CN111271573A true CN111271573A (en) 2020-06-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010191130.3A Pending CN111271573A (en) 2020-03-18 2020-03-18 Portable levelling rod stabilizing frame

Country Status (1)

Country Link
CN (1) CN111271573A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114636087A (en) * 2022-05-19 2022-06-17 成都理工大学 Tester for testing geochemical real-time data based on reservoir property prediction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114636087A (en) * 2022-05-19 2022-06-17 成都理工大学 Tester for testing geochemical real-time data based on reservoir property prediction
CN114636087B (en) * 2022-05-19 2022-07-29 成都理工大学 Tester for testing geochemical real-time data based on reservoir property prediction

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